1 2006-06-02 Roger Sayle <roger@eyesopen.com>
3 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4 are type correct. Clean-up.
5 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8 2006-06-01 DJ Delorie <dj@redhat.com>
10 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11 shift, as we've disabled the "switch" insn that needs it.
13 2006-06-01 Per Bothner <bothner@bothner.com>
15 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
16 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
17 * c-ppoutput.c (cb_define): Don't increment line 0.
19 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
21 * doc/invoke.texi: Add cpu_type power6.
22 * config.gcc: Add cpu_type power6.
23 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
24 to power5+ with Altivec.
25 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
26 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
28 2006-05-30 Anatoly Sokolov <aesok@post.ru>
30 * config/avr/avr.h (SET_ASM_OP): Define.
32 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
34 * config/bfin/bfin.c: Fix comment typos.
36 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
39 * doc/install.texi: Document --enable-bootstrap and
42 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
44 * doc/install.texi: Document that InfoZIP can replace jar.
46 2006-05-31 Roger Sayle <roger@eyesopen.com>
48 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
49 isn't available, directly generate the simpler x87 patterns without
50 the (use (const_int 0)).
51 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
52 implementation isn't available.
53 (*negdf2_1): Likewise.
54 (*negxf2_1): XF mode negation is always done using the x87.
55 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
57 2006-05-31 Roger Sayle <roger@eyesopen.com>
59 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
60 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
62 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
64 2006-05-31 Jie Zhang <jie.zhang@analog.com>
66 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
67 * config/bfin/bfin.c (basic-block.h): Include.
68 (struct machine_function): New.
69 (bfin_init_machine_status): New.
70 (override_options): Initialize init_machine_status.
71 (bfin_hardware_loop): New.
72 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
73 (DEF_VEC_P (loop_info)): New.
74 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
75 (struct loop_info): New.
76 (loop_info): New typedef.
77 (struct loop_work): New.
78 (loop_work): New typedef.
79 (DEF_VEC_O (loop_work)): New.
80 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
81 (bfin_dump_loops): New.
82 (bfin_bb_in_loop): New.
83 (bfin_scan_loop): New.
84 (bfin_optimize_loop): New.
85 (bfin_reorg_loops): New.
86 (bfin_reorg): Use bfin_reorg_loops.
87 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
89 (I_REGNO_P): Simplify.
90 (DP_REGNO_P, DPREG_P): New macros.
91 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
92 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
93 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
94 Add LT_REGS, LC_REGS, LB_REGS.
95 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
97 (REGNO_REG_CLASS): Deal with loop registers.
98 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
100 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
101 New constants for loop registers.
102 (UNSPEC_LSETUP_END): New.
103 (seq_insns): New define_attr. Set it for appropriate insns.
104 (movsi_insn): Add alternatives for move from/to
105 loop count registers.
106 (doloop_end): New define_expand.
107 (loop_end): New define_insn.
108 (define_split for bad doloop_end): New.
109 (lsetup_with_autoinit): New define_insn.
110 (lsetup_without_autoinit): New define_insn.
111 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
112 * config/bfin/predicates.md (lc_register_operand): New.
113 (lt_register_operand): New.
114 (lb_register_operand): New.
115 (nondp_register_operand): New.
116 (nondp_reg_or_memory_operand): New.
117 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
119 2006-05-31 Jie Zhang <jie.zhang@analog.com>
121 * config/bfin/bfin.c (bfin_delegitimize_address): New.
122 (TARGET_DELEGITIMIZE_ADDRESS): Define.
124 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
126 * Makefile.in (CATALOGS): Add po/ prefix.
127 * configure: Regenerated.
129 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
132 * arm.c (arm_print_operand case 'S'): Validate that the operand is
133 a shift operand before calling shift_op. Avoid redundant call of
136 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
137 DJ Delorie <dj@redhat.com>
139 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
140 we're inserting is a singlt-bit constant.
142 2006-05-30 Roger Sayle <roger@eyesopen.com>
144 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
145 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
147 2006-05-30 Roger Sayle <roger@eyesopen.com>
149 PR tree-optimization/23452
150 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
151 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
152 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
153 complex values and with -ffast-math for FP complex values.
155 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
157 * c-common.h: Remove the prototype for yyparse.
158 * rtl.h: Remove the prototype for init_loop.
160 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
162 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
165 2006-05-30 Roger Sayle <roger@eyesopen.com>
167 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
169 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
170 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
172 2006-05-30 Dirk Mueller <dmueller@suse.de>
175 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
176 for CONSTANT_CLASS_P expresisons.
178 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
181 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
183 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
185 PR tree-optimization/27779
186 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
187 initial_condition instead of CHREC_LEFT.
189 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
191 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
192 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
193 Make prototypes ISO C90.
195 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
196 Leehod Baruch <leehod.baruch@weizmann.ac.il>
198 * see.c (see_analyze_one_def): Correct check.
199 (see_get_extension_data): Check if extension is parallel.
200 (see_get_extension_reg): Likewise.
202 2006-05-30 Uros Bizjak <uros@kss-loka.si>
205 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
206 into register for (code == GTU).
208 2006-05-29 Roger Sayle <roger@eyesopen.com>
210 PR tree-optimization/24964
211 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
212 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
213 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
214 abs(x)*abs(x) as x*x for scalar floating point modes.
216 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
219 * lambda-code.c (perfect_nestify): Don't copy statements
220 in the inner loop: move them to the inner loop header.
222 2006-05-29 Diego Novillo <dnovillo@redhat.com>
225 * c-tree.texi: Document OpenMP directives and clauses.
227 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
229 * varasm.c (globalize_decl): Fix indentation.
231 2006-05-29 Diego Novillo <dnovillo@redhat.com>
234 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
235 pass_fre, pass_store_ccp, pass_copy_prop,
236 pass_store_copy_prop, pass_merge_phi, pass_nrv,
237 pass_return_slot, pass_object_size, pass_lim,
238 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
239 pass_loop_prefetch and pass_stdarg.
241 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
243 * config/bfin/bfin.opt (mfdpic): New option.
244 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
245 (EXTRA_MULTILIB_PARTS): Likewise.
246 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
247 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
249 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
250 (CRT_CALL_STATIC_FUNCTION): New.
251 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
253 (CRT_CALL_STATIC_FUNCTION): New.
254 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
256 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
257 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
258 (initialize_trampoline): Changed to handle FD-PIC code generation.
259 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
260 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
261 (override_options): Disallow -mid-shared-library -mfdpic combination.
262 Can't do unaligned ops if FD-PIC.
263 Turn off flag_pic if trying to generate non-id-shared-library
264 non-fdpic code, since it's not supported.
265 (bfin_assemble_integer): New function.
266 (TARGET_ASM_INTEGER): Define.
267 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
269 * config/bfin/crtn.s: Restore them.
270 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
272 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
273 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
274 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
275 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
276 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
278 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
279 FDPIC_REGS and FDPIC_FPTR_REGS.
280 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
281 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
282 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
283 (load_funcdescsi): New pattern.
284 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
285 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
286 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
288 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
290 * gcse.c, rtlanal.c: Remove obsolete comments associated with
293 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
295 * tree-flow.h: Remove the prototype for add_type_alias.
296 * tree-ssa-alias.c (add_type_alias): Remove.
298 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
300 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
301 config/fr30/fr30.md, config/i386/i386-interix.h,
302 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
303 config/sh/superh64.h, config/v850/v850.c, df-core.c,
304 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
305 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
306 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
307 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
308 Follow spelling conventions.
309 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
310 Follow spelling conventions.
312 2006-05-27 Richard Guenther <rguenther@suse.de>
315 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
316 to produce a constant of value 1 of generic type.
318 2006-05-27 Dirk Mueller <dmueller@suse.de>
320 * cgraphunit.c (decide_is_function_needed): Fix wrong
323 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
325 PR rtl-optimization/27661
326 * reload.c (find_reloads): When reloading a VOIDmode constant
327 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
328 use Pmode as mode of the reload register.
330 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
332 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
333 is enabled at -O and above.
335 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
338 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
341 2006-05-25 Mark Mitchell <mark@codesourcery.com>
344 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
345 for anonymous variables explicitly declared by front ends.
347 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
349 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
350 (struct alias_info): Add new field ref_all_symbol_mem_tag.
351 * tree-ssa-alias.c (compute_may_aliases): If the program contains
352 ref-all pointers, run a finalization pass for them.
353 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
354 (finalize_ref_all_pointers): New function.
355 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
356 regular pointer type to a ref-all pointer type.
357 (get_tmt_for): Return the special memory tag for ref-all pointers.
359 2006-05-25 Richard Guenther <rguenther@suse.de>
362 * fold-const.c (fold_binary): Do not look at the stripped
363 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
365 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
367 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
368 for LT and GT if the computed range is effectively empty.
370 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
373 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
374 mips_quad_format formats instead of ieee_single_format,
375 ieee_double_format and ieee_quad_format formats, respectively.
377 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
379 PR tree-optimization/27639
380 PR tree-optimization/26719
381 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
382 call to scev_probably_wraps_p.
383 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
384 used_in_pointer_arithmetic_p, convert_step): Removed.
385 (nowrap_type_p): New function.
386 (scev_probably_wraps_p): Rewritten.
387 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
388 chrec_convert if chrec_convert_aggressive might have been used.
389 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
390 scev_direction): New functions.
391 (chrec_convert): Changed to a wrapper over chrec_convert_1.
392 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
393 instead of convert_step.
394 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
395 (convert_step): Declaration removed.
396 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
398 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
400 * df-core.c: Added to header comments.
401 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
402 df_ur_bb_info, df_urec_bb_info): Added comments.
403 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
404 urec, ri problems): Fixed header comments.
405 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
406 code from df_rd_transfer_function.
408 2006-05-23 Richard Sandiford <richard@codesourcery.com>
410 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
411 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
412 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
414 2006-05-23 Joseph Myers <joseph@codesourcery.com>
416 * expr.c (undefined_operand_subword_p): New.
417 (emit_move_multi_word): Do not generate move from undefined bits
418 of a paradoxical subreg.
420 2006-05-23 Richard Sandiford <richard@codesourcery.com>
422 PR rtl-optimization/27736
423 * combine.c (replaced_rhs_value): New variable.
424 (combine_instructions): Set it.
425 (distribute_notes): When distributing a note in replaced_rhs_insn,
426 check whether the value was used in replaced_rhs_value.
428 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
431 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
432 add_referenced_var instead of add_referenced_tmp_var.
433 * tree-complex.c (create_one_component_var): Use add_referenced_var.
434 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
436 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
437 tree_optimize_tail_calls_1): Use add_referenced_var.
438 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
439 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
440 Use add_referenced_var.
441 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
442 * gimplify.c (force_gimple_operand): Use add_referenced_var.
443 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
444 Use add_referenced_var.
445 * tree-dfa.c (struct walk_state): Remove.
446 (find_referenced_vars): Remove walk state and vars_found hash table.
447 (make_rename_temp): Use add_referenced_var.
448 (find_vars_r): Pass less parameters to add_referenced_var.
449 (referenced_var_p): New. Is var in referenced_var hash table.
450 (referenced_var_insert): Assert var isn't already in hash table.
451 (add_referenced_var): Don't need walk_state parameter. Add var if it
452 isn't already in the hash table.
453 (add_referenced_tmp_var): Remove.
454 (find_new_referenced_vars_1): Use add_referenced_var.
455 * tree-ssa-pre.c (create_expression_by_pieces,
456 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
457 Use add_referenced_var.
458 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
459 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
460 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
462 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
463 vect_create_data_ref_ptr, vect_create_destination_var,
464 vect_init_vector, vect_build_loop_niters,
465 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
466 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
467 Use add_referenced_var.
468 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
469 * tree-flow.h (add_referenced_tmp_var): Remove prototype
470 (add_referenced_var): Add prototype.
471 * tree-ssa-structalias.c (get_constraint_for,
472 intra_create_variable_infos): Use add_referenced_var.
474 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
476 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
477 big-endian paradoxical subregs.
478 * var-tracking.c (struct micro_operation_def): Document that,
479 for modify micro operations, insn is the subsequent instruction.
480 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
481 (var_reg_set, var_mem_set): ... new functions.
482 (add_stores): Record subsequent insn.
483 (compute_bb_dataflow): Use new functions for MO_USE.
484 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
485 notes after the insn, and modify notes before the insn known
486 to be the subsequent one.
487 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
489 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
492 * config/i386/i386.c (ix86_expand_builtin): Use
493 gen_sse3_monitor64 for TARGET_64BIT.
495 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
497 PR rtl-optimization/26375
498 PR rtl-optimization/26855
499 * df-problems (df_ru_bb_local_compute_process_def): Removed update
501 (df_ru_bb_local_compute): Reversed statements and removed bogus
502 comment explaining why they should be in wrong order.
503 (df_ru_dump, df_rd_dump): Enhanced debug info.
504 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
506 * ddg.c (add_deps_for_def): Converted use of reaching defs to
507 reaching uses and fixed space problem.
509 2006-05-23 Jan Hubicka <jh@suse.cz>
511 * cgraphunit.c (decide_is_function_needed): Also nested functions
512 and functions declared inline can be optimized out at -O0.
514 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
516 * doc/install.texi (Configuration): Remove reference to CrossGCC
517 FAQ which was hijacked.
520 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
523 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
524 ix86_compare_emitted is non-NULL.
526 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
529 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
532 2006-05-22 Richard Sandiford <richard@codesourcery.com>
534 PR rtl-optimization/25514
535 * combine.c (replaced_rhs_insn): New variable.
536 (combine_instructions): Set replaced_rhs_insn when trying to replace
537 a SET_SRC with a REG_EQUAL note.
538 (distribute_notes): Use replaced_rhs_insn when determining the live
539 range of a REG_DEAD register.
541 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
542 Anatoly Sokolov <aesok@post.ru>
544 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
545 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
546 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
547 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
548 atmega3290, atmega649, atmega6490, atmega406, atmega640,
549 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
550 at90usb647, at90usb1286 and at90usb1287 devices.
551 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
552 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
554 2006-05-22 Richard Sandiford <richard@codesourcery.com>
556 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
558 2006-05-22 Richard Guenther <rguenther@suse.de>
561 2006-01-31 Richard Guenther <rguenther@suse.de>
562 Paolo Bonzini <bonzini@gnu.org>
564 * doc/install.texi (--disable-libgcc-math): Document.
566 2006-05-22 Richard Guenther <rguenther@suse.de>
569 2006-01-31 Richard Guenther <rguenther@suse.de>
571 * doc/invoke.texi (-msselibm): Document.
572 * target.h (expand_library_builtin): New target hook.
573 * builtins.c (expand_builtin): Use expand_library_builtin.
574 (default_expand_library_builtin): New function.
575 * gcc.c (LINK_GCC_MATH_SPEC): Define.
576 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
577 (link_gcc_math_spec): Declare.
578 (static_specs): Add link_gcc_math_spec.
579 * expr.h (default_expand_library_builtin): Declare.
580 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
581 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
582 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
583 * config/i386/i386.opt (msselibm): New target option.
584 * config/i386/i386.c (ix86_builtin_function_variants): New array.
585 (ix86_init_sse_abi_builtins): New function.
586 (ix86_expand_library_builtin): Likewise.
587 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
588 (override_options): Handle error conditions wrt -msselibm.
589 (ix86_builtins): Add function codes for SSE2 ABI builtins.
590 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
591 * doc/extend.texi (__builtin_sse2_*): Document new target specific
594 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
597 * c-common.c (self_promoting_args_p): Skip erroneous args.
600 * c-decl.c (finish_struct): Skip erroneous fields.
602 2006-05-22 Nick Clifton <nickc@redhat.com>
604 * config/cris/cris.opt (march): Remove VarExists attribute.
605 (max-stackframe=): Likewise.
607 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
609 * doc/rtl.texi: Fix a typo.
610 * see.c: Fix comment typos.
612 * tree-ssa-structalias.h (alias_info): Remove num_references.
614 2006-05-21 Mike Stump <mrs@apple.com>
616 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
618 (darwin_pragma_options): Use BAD instead.
619 (darwin_pragma_unused): Likewise.
620 (darwin_pragma_ms_struct): Likewise.
622 2006-05-21 David Edelsohn <edelsohn@gnu.org>
624 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
626 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
628 PR rtl-optimization/27671
629 * simplify-rtx.c (simplify_relational_operation_1): Fix
630 simplifications of (eq/ne (xor x y) y) and
633 PR tree-optimization/26622.
634 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
637 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
639 * tree-cfg.c: Prune whitespace.
640 (debug_tree_cfg): Point to correct header containing the
643 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
646 * cgraphunit.c (verify_cgraph_node): Typo in error message.
648 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
651 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
652 or sorry count is non zero.
654 2006-05-20 Andreas Schwab <schwab@suse.de>
656 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
658 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
659 Kenneth Zadeck <zadeck@naturalbridge.com>
661 PR rtl-optimization/26855
663 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
665 (df_scan_alloc): Added code to properly handle multiword hard
666 registers and add all_blocks parameter.
667 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
668 code to properly handle multiword hard registers.
669 (df_rescan_blocks): Added code to remove deleted blocks from
671 (df_ref_create_structure, df_ref_record): Added code to properly
673 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
674 and set DF_REF_PARTIAL.
675 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
676 (df_uses_record): Added DF_REF_PARTIAL for subreg.
677 (df_scan_add_problem): Added flags parameter.
678 (df_ref_create_structure): Changed switching structure.
679 (df_bb_refs_record): Fixed case where duplicate artificial refs
680 were created. Changed location of flags.
681 (df_record_entry_block_defs): Added code to make stack pointer
682 live in entry block. Refined cases where frame pointer is needed.
683 Changed location of flags.
684 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
685 (df_set_state): Removed function.
686 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
687 df_insn_create_insn_record, df_insn_refs_delete,
688 df_ref_create_structure): Formatting changes.
689 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
690 df_delete_basic_block): New function.
691 (df_init): Changed location of flags.
692 (df_add_problem): Added flags parameter and the way flags are
694 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
695 debug_df_chain): Improved debugging output.
696 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
697 (df_refs_chain_dump): Removed df parameter.
698 (df_iterative_dataflow): Added consistency check.
699 (df_prune_to_subcfg): Made public.
700 (df_analyze_problem): Added blocks_to_init parameter and made
702 (df_ref_record, df_bb_refs_record, df_mark_reg,
703 df_record_exit_block_uses): Whitespace changes.
704 (df_dump): Whitespace changes.
705 * df.h: Some reordering to remove forward references.
706 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
707 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
708 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
709 (dataflow.flags): New field.
710 (df.flag): Deleted field.
711 (df_alloc_function): Added additional bitmap parameter.
712 (df_dependent_problem_function): New type.
713 (df_problem.changeable_flags): New field.
714 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
715 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
716 (df_mw_hardreg): New struct.
717 (DF_INSN_UID_MWS): New macro.
718 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
720 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
721 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
722 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
723 (df_set_state): Removed function.
724 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
725 * df-problems.c (df_chain_dump): Removed df parameter.
726 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
727 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
729 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
730 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
731 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
732 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
733 DF_REF_MUST_CLOBBER cases.
734 (df_ru_bb_local_compute_process_def,
735 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
736 df_lr_bb_local_compute, df_ur_bb_local_compute,
737 df_chain_create_bb): Made subreg aware.
738 (df_ru_bb_local_compute, df_rd_bb_local_compute,
739 df_lr_bb_local_compute, df_lr_bb_local_compute,
740 df_chain_create_bb): Cleanup to use proper macros.
741 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
742 code to fixup bitvectors.
743 (df_ri_alloc): Cleared lifetime.
744 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
745 df_create_unused_note): New function.
746 (df_ri_bb_compute, df_ri_compute): Added code to create/update
747 REG_DEAD and REG_UNUSED notes as well as register information.
748 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
749 df_chains_dump): Fixed crash if problem was never run.
750 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
751 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
752 df_ri_add_problem): Processes flags in uniform manner.
753 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
754 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
755 df_rd_dump, df_urec_free_bb_info): Formatting changes.
756 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
757 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
758 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
759 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
760 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
761 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
762 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
763 * see.c (see_initialize_data): Ditto.
764 * final.c (rest_of_clean_state) Added regstack_completed.
765 * rtl.h (regstack_completed): Ditto.
766 * reg-stack.c (regstack_completed): Ditto.
768 2006-05-19 Mike Stump <mrs@apple.com>
770 * c-tree.h (default_conversion): Remove.
771 * c-common.h (default_conversion): Add.
773 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
775 * tree-vrp.c (valid_value_p): New function.
776 (adjust_range_with_scev): Fail if the value of bound is not
779 2006-05-19 Richard Sandiford <richard@codesourcery.com>
781 * config/mips/linux-unwind.h: Include <asm/unistd.h>
782 (mips_fallback_frame_state): Use syscall numbers to determine
783 the appropriate li instruction for the current ABI. Only use
784 __NR_sigreturn for o32.
786 2006-05-19 Nicolas Setton <setton@adacore.com>
788 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
789 * langhooks.c (lhd_dwarf_name): New function.
790 * langhooks-def.h (lhd_dwarf_name): Declare.
791 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
792 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
793 * ada/misc.c (gnat_dwarf_name): New function.
794 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
796 2006-05-19 Richard Sandiford <richard@codesourcery.com>
798 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
800 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
801 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
802 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
803 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
804 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
805 determine the size of Wtype, etc.
806 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
807 (swfloatfuncs): New variable.
808 (dwfloatfuncs): Likewise.
809 (lib2funcs): Remove floating-point conversion functions from
810 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
811 the set of conversion routines needed. Allow entries to specify
812 an object name, filename and word size. Update users accordingly.
813 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
814 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
818 2006-02-08 Roger Sayle <roger@eyesopen.com>
821 * config/fixtfdi.c: New libgcc source file.
822 * config/fixunstfdi.c: New source file.
823 * config/floatditf.c: New source file.
824 * config/floatunditf.c: New souce file.
825 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
826 files above instead of config/mips/_tilib.c.
827 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
829 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
831 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
832 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
834 2006-05-18 Mike Stump <mrs@apple.com>
836 Fix up vla, vm and [*] sematics.
842 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
843 (c_vla_unspec_p): Add.
845 * c-decl.c (struct c_scope): Add had_vla_unspec.
846 (build_array_declarator): Add support for [*].
847 (grokdeclarator): Likewise.
848 (grokparms): Likewise.
849 (get_parm_info): Likewise.
850 * c-objc-common.c (c_vla_unspec_p): Likewise.
851 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
852 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
853 typeof when argument is a variably modified type not inside sizeof or alignof.
854 (c_parser_direct_declarator_inner): Propagate errors.
855 (c_parser_sizeof_expression): Add support for [*].
856 (c_parser_parms_declarator): Initialize had_vla_unspec.
857 (c_parser_parms_list_declarator): Likewise.
858 * c-typeck.c (c_vla_type_p): Add.
859 (composite_type): Add support for vla compositing.
860 (comptypes_internal): Add support for vla compatibility.
861 (c_expr_sizeof_expr): Evaluate vla arguments.
862 * tree.c (variably_modified_type_p): Update comment for [*].
864 2006-05-18 Michael Matz <matz@suse.de>
867 * config.host: Make assignments to host_xmake_file cumulative.
868 * config.host (*-darwin*): Test $host, not $target.
870 2006-05-12 Stuart Hastings <stuart@apple.com>
872 * config/i386/i386.opt (-mstackrealign): New flag.
873 * config/i386/i386.c (force_align_arg_pointer): New attribute.
874 (ix86_handle_cconv_attribute): Emit error when
875 force_align_arg_pointer attribute collides with too many regparms.
876 (ix86_function_regparm): Limit regparms when used with
877 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
878 Support stack-realigning prologue in non-main functions. Emit
879 warning for nested functions under -mstackrealign, emit error for
880 nested functions with force_align_arg_pointer attribute.
881 * doc/extend.texi (force_align_arg_pointer): Document it.
882 * doc/invoke.texi (-mstackrealign): Document it.
884 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
886 PR rtl-optimization/27477
887 * combine.c (try_combine): Don't split a parallel consisting
888 of two sets into two individual sets if both sets reference
891 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
893 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
894 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
896 * doc/options.texi (VarExists): Updated.
898 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
900 * unwind-dw2.c: Add declarations for uw_update_context and
902 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
903 detected, advance frame state and context once to skip over stub.
905 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
909 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
910 Call rewrite_into_loop_closed_ssa only when something changed.
911 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
912 * lambda-code.c (can_convert_to_perfect_nest): Declared.
913 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
914 Test for perfect_nest_p here. Fix formating.
915 (replace_uses_equiv_to_x_with_y): Fix formating.
916 (stmt_uses_op): Removed.
917 (can_convert_to_perfect_nest): Removed loopivs parameter.
918 Complete the test by checking the scalar dependences.
919 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
922 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
925 From Dan Kegel <dank@kegel.com>:
926 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
928 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
930 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
931 if the element type is variably modified without recursing.
933 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
936 * tree-loop-linear.c (try_interchange_loops): Test for
939 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
941 PR tree-optimization/27548
942 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
943 range of ssa names that appear on abnormal edges.
944 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
945 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
947 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
950 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
952 2006-05-17 Jakub Jelinek <jakub@redhat.com>
955 * tree.h (OMP_PARALLEL_COMBINED): Define.
956 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
957 (new_omp_context): Add is_combined_parallel argument.
958 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
959 new_omp_context caller.
960 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
961 Adjust gimplify_scan_omp_clauses callers.
962 (omp_is_private): Issue errors if iteration variable is firstprivate
963 or reduction in the current context.
964 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
965 on combined parallel workshare constructs.
967 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
969 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
970 (gcc-options.o): New rule.
972 * optc-gen.awk: Protect variables for gcc-options.o with
973 #ifdef GCC_DRIVER/#endif.
975 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
977 Fix PR tree-optimization/27373
978 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
979 (forward_propagate_addr_expr): Update call.
981 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
983 * doc/options.texi: Move the Negative option.
985 2006-05-16 Richard Guenther <rguenther@suse.de>
987 PR tree-optimization/22303
988 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
990 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
991 ccp_fold did not simplify the statement.
993 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
996 * Makefile.in (GCC_OBJS): New.
997 (OBJS-common): Add opts-common.o.
998 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
999 (cpp$(exeext)): Likewise.
1000 (gcc.o): Also depend on opts.h.
1001 (opts-common.o): New.
1003 * common.opt (gcoff): Add Negative(gdwarf-2).
1004 (gdwarf-2): Add Negative(gstabs).
1005 (gstabs): Add Negative(gstabs+).
1006 (gstabs+): Add Negative(gvms).
1007 (gvms): Add Negative(gxcoff).
1008 (gxcoff): Add Negative(gxcoff+).
1009 (gxcoff+): Add Negative(gcoff).
1010 * config/i386/i386.opt (m32): Add Negative(m64).
1011 (m64): Add Negative(m32).
1013 * doc/options.texi: Document the Negative option.
1015 * gcc.c: Include "opts.h".
1016 (main): Call prune_options after expandargv.
1018 * optc-gen.awk: Generate common declarations for all flag
1019 variables in options.c. Output the neg_index field.
1021 * opts.c (find_opt): Moved to ...
1022 * opts-common.c: Here. New file.
1024 * opts.h (cl_option): Add a neg_index field.
1026 (prune_options): Likewise.
1028 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1031 * omp-low.c (expand_omp_parallel): Don't assert
1032 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1033 instead search for it.
1036 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1039 2006-05-16 Andreas Schwab <schwab@suse.de>
1041 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1044 2006-05-15 Roger Sayle <roger@eyesopen.com>
1047 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1048 integer constants other than zero are only legitimate on TARGET_64BIT.
1049 <CONST_VECTOR> Only zero vectors are legitimate.
1050 (ix86_cannot_force_const_mem): Integral and vector constants can
1051 always be put in the constant pool.
1053 2006-05-16 DJ Delorie <dj@redhat.com>
1055 * crtstuff.c (__dso_handle): Set section from
1056 TARGET_LBIGCC_SDATA_SECTION if defined.
1057 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1058 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1060 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1063 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1066 2006-05-16 Ben Elliston <bje@au.ibm.com>
1068 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1070 2006-05-15 Per Bothner <per@bothner.com>
1072 * tree.c: (last_annotated_node): Use source_locus typedef.
1073 This permits bootstrapping with --enable-mapped-location.
1075 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1077 PR tree-optimization/26830
1078 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1079 (info_for_ssa_name, current_info_for_ssa_name_age,
1080 blocks_to_update): New variables.
1081 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1082 (clear_ssa_name_info, initialize_flags_in_bb,
1083 mark_block_for_update): New functions.
1084 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1085 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1086 prepare_def_site_for): Use mark_block_for_update.
1087 (mark_def_interesting): Assert that the processed block is marked in
1088 blocks_to_update. Do not take blocks argument.
1089 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1091 (rewrite_update_init_block, rewrite_update_stmt): Only process
1092 blocks with statements to rewrite.
1093 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1094 (update_ssa): Initialize and free blocks_to_update. Do not
1095 clear flags on statements. Do not use blocks bitmap.
1096 * tree.h (SSA_NAME_AUX): Removed.
1097 (struct tree_ssa_name): Removed aux field.
1098 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1100 2006-05-15 Richard Guenther <rguenther@suse.de>
1102 PR tree-optimization/27603
1103 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1104 Do computations in original type.
1106 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1108 * see.c: Code style changes such as redundant paranthesis,
1109 redundant intialization of local variables etc.
1110 (see_main): Declared now as static.
1111 * doc/invoke.texi: Update that -fsee is not enabled by
1114 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1116 * omp-low.c (check_omp_nesting_restrictions): New function.
1117 (scan_omp_1): Call it.
1120 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1121 construct, return *VAR.
1123 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1125 PR rtl-optimization/27406
1126 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1129 2006-05-14 Roger Sayle <roger@eyesopen.com>
1131 PR rtl-optimization/27538
1132 * combine.c (expand_compound_operation): Call gen_lowpart
1133 before calling simplify_shift_const.
1135 2006-05-14 Roger Sayle <roger@eyesopen.com>
1137 PR rtl-optimization/22563
1138 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1139 a fixed width bitfield, always force the intermediates into psuedos.
1141 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1144 * mkconfig.sh: Use operator = instead of == for test.
1146 2006-05-13 Nick Clifton <nickc@redhat.com>
1148 * dwarf2out.c (dbx_reg_number): Check return value from
1149 LEAF_REG_REMAP and only use it if it is valid.
1150 (multiple_reg_loc_descriptor): Likewise.
1152 2006-05-13 Richard Guenther <rguenther@suse.de>
1154 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1157 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1159 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1160 information attached to non-INSNs such as NOTEs.
1161 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1163 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1165 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1167 * config/s390/s390.md: Adjust comment describing On constraint.
1169 2006-05-11 Jan Hubicka <jh@suse.cz>
1171 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1172 to be output at -O0.
1174 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1177 * fold-const.c (size_binop): Move sanity check for arguments to
1178 the beginning of the function.
1181 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1184 2006-05-11 Richard Guenther <rguenther@suse.de>
1187 * fold-const.c (fold_unary): Handle intermediate conversion
1188 to a pointer type like intermediate conversion to an integer
1189 type in folding of (T1)(T2)var to var.
1190 Match the code to the comment in the final conversion for
1191 (T1)(T2)var to (T1)var regarding to type precision. Rather
1192 than disallow T1 being of pointer type, assert that both T1
1193 and var are of pointer type or not. Make sure not to fall
1194 over the frontends lazyness wrt array to pointer decay though.
1196 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1198 * arm.c (arm_struct_value_rtx): Delete.
1199 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1200 (arm_init_cumulative_args): Always initialize nregs to zero.
1202 2006-05-10 Richard Guenther <rguenther@suse.de>
1204 PR tree-optimization/27532
1205 * tree-object-size.c (plus_expr_object_size): Fix typo.
1207 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1210 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1211 ashrdi_const, ashrdi3): Use a scratch register.
1213 2006-05-10 Richard Guenther <rguenther@suse.de>
1215 PR tree-optimization/27302
1216 * fold-const.c (operand_equal_p): For two comparisons,
1217 try comparison of one comparison code swapped if that yields
1220 2006-05-10 Ben Elliston <bje@au.ibm.com>
1222 * tree-pretty-print.c (pretty_print_string): No need to handle
1223 '\0' as a special character.
1225 * tree.h: Include "hashtab.h".
1226 (iterative_hash_expr): Use hashval_t in its prototype.
1227 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1229 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1232 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1233 (hppa*64*-*-hpux11*): Ditto.
1234 (hppa[12]*-*-hpux11*): Ditto.
1236 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1239 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1241 2006-05-09 Michael Matz <matz@suse.de>
1243 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1244 host_extra_gcc_objs and host_xmake_file.
1245 (<*-*-linux*>): Don't overwrite host_xmake_file.
1246 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1247 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1248 (host_detect_local_cpu): Declare.
1249 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1250 * config/i386/i386.c (override_options): Handle -mtune=native
1252 * config/i386/x-i386: New file.
1253 * config/i386/driver-i386.c: New file.
1254 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1257 2006-05-09 Dirk Mueller <dmueller@suse.de>
1258 Richard Guenther <rguenther@suse.de>
1261 * fold-const.c (fold_read_from_constant_string): Relax check
1262 for matching types to matching modes.
1264 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1266 PR rtl-optimization/27335
1267 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1270 2006-05-08 Chao-ying Fu <fu@mips.com>
1271 Richard Sandiford <richard@codesourcery.com>
1273 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1274 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1275 * config/mips/mips.md (UNSPEC_SCC): New constant.
1276 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1277 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1278 (mips_emit_compare): Use it.
1279 (mips_expand_vcondv2sf): New function.
1281 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1283 Fix PR tree-optimization/27093
1284 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1285 renaming when they become not-used_alone.
1287 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1289 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1290 relocation and relocation stubs.
1292 2006-05-08 Eric Christopher <echristo@apple.com>
1294 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1297 2006-05-08 Jan Hubicka <jh@suse.cz>
1300 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1301 unused static functions are needed.
1303 2006-05-08 Roger Sayle <roger@eyesopen.com>
1306 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1307 of a reg_equiv_constant if the result is a legitimate constant.
1309 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1312 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1313 standard 80387 constants, raise the cost to prevent
1314 compress_float_constant() to generate load from memory.
1316 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1318 * config/arm/constraints.md (c): Fix a typo.
1320 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1323 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1326 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1328 (_mm_mwait): Likewise.
1330 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1332 (sse3_monitor): Make it 32bit only.
1333 (sse3_monitor64): New. 64bit monitor.
1335 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1338 * config/i386/i386.c (classify_argument): Skip fields with invalid
1341 2006-05-07 Richard Guenther <rguenther@suse.de>
1343 PR tree-optimization/27409
1344 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1345 Do not try to find zero-sized subvars.
1347 2006-05-07 Richard Guenther <rguenther@suse.de>
1349 PR tree-optimization/27136
1350 * tree-ssa-loop-niter.c (get_val_for): Correct function
1351 comment, assert requirements.
1352 (loop_niter_by_eval): Stop processing if the iterated
1353 value did not simplify.
1355 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1357 * opts.c (flag_see): remove its setting at -O3.
1359 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1361 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1362 * arm/constraints.md: New file.
1363 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1364 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1365 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1366 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1367 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1368 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1369 * arm.md: Include constraints.md.
1370 (thumb_movsi_insn): Use satisfies_constraint_J.
1371 (movhi, movqi): Use satisfies_constraint_I.
1373 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1375 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1376 for atmeg a645 device.
1378 2006-05-06 Richard Guenther <rguenther@suse.de>
1380 PR tree-optimization/27151
1381 * tree-vect-transform.c (vectorizable_condition): Punt on
1382 values that have a different type than the condition.
1384 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1387 * c-parser.c (c_parser_cast_expression): Only insert casts into
1388 hash table if pointer.
1389 * function.c (used_types_insert_helper): Rename from
1391 (used_types_insert): Call used_types_insert_helper.
1392 * function.h (used_types_insert): Accept only one argument.
1394 2006-05-05 David Edelsohn <edesohn@gnu.org>
1396 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1397 scratch with output modifier.
1399 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1402 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1403 with output modifier.
1405 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1408 * config/mips/mips.c (mips_symbolic_address_p): Return true
1409 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1410 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1412 2006-05-04 Richard Guenther <rguenther@suse.de>
1414 PR tree-optimization/14287
1415 PR tree-optimization/14844
1416 PR tree-optimization/19792
1417 PR tree-optimization/21608
1418 PR tree-optimization/27090
1419 * tree-ssa-pre.c (try_combine_conversion): New function.
1420 (compute_avail): After constructing the value-handle
1421 expression, use try_combine_conversion to combine NOP_EXPRs
1422 with previous value-handle expressions and use the result if it
1425 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1427 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1429 2006-05-04 Jan Hubicka <jh@suse.cz>
1432 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1434 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1436 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1437 that this only matches CONST_INTs. All users changed to VOIDmode
1440 * config/bfin/bfin.c: Include "optabs.h".
1441 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1443 (enum bfin_builtins): Add a number of fractional and vector builtins.
1444 (bfin_init_builtins): Likewise.
1445 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1446 (safe_vector_operand, bfin_expand_binop_builtin,
1447 bfin_expand_unop_builtin): New functions.
1448 (bfin_expand_builtin): Handle the new builtins.
1449 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1452 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1455 * Makefile.in (OBJS-common): Add see.o.
1456 (see.o): Add dependencies.
1457 * common.opt (fsee): New flag for the see optimization was added.
1458 * opts.c (flag_see): Initialized.
1459 * passes.c (init_optimization_passes, pass_see): New pass.
1460 * rtl.h (see_main): Declaration as extern.
1461 * timevar.def (TV_SEE): New.
1462 * tree-pass.h (pass_see): Declaration as extern.
1463 * invoke.texi (-fsee): Document.
1464 * recog.c (validate_simplify_insn): New function.
1465 * recog.h (validate_simplify_insn): Declaration as extern.
1466 * df-problems.c (df_chain_dump): Check for NULL.
1468 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1469 Daniel Berlin <dberlin@dberlin.org>
1471 * cfgrtl.c (insert_insn_bb_end_new): New function.
1472 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1474 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1476 * df.h (struct web_entry): Moved from web.c.
1477 (union_defs): Declaration as extern.
1478 (unionfind_root): Likewise.
1479 (unionfind_union): Likewise.
1480 * web.c (struct web_entry): Moved to df.h.
1481 (unionfind_root): Remove static declaration.
1482 (unionfind_union): Likewise.
1483 (union_defs): Likewise and generalize to use callback function.
1484 (web_main): Update arguments for union_defs function call.
1486 2006-05-04 Richard Guenther <rguenther@suse.de>
1488 PR tree-optimization/26447
1489 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1490 produce SSA_NAME copies before the store stmt to avoid
1491 breaking exception handling.
1493 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1496 * gimplify.c (omp_is_private): If var is shared in some outer context,
1497 return false instead of true. Stop searching on parallel context
1500 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1503 * coverage.c: Use get_gcov_unsigned_t() instead of
1504 unsigned_type_node all over.
1506 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1508 PR tree-optimization/27381
1509 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1510 maintain the same immediate_use links.
1511 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1512 node rather than segfaulting.
1514 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1517 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1518 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1519 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1521 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1523 Fix PR tree-optimization/26626
1524 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1526 * tree-ssa-operands.c (access_can_touch_variable): Allow
1527 typecasting through union pointers.
1529 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1532 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1533 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1534 to find if var will be a global variable even in the nested context.
1535 (omp_copy_decl): Only check for global variable at the end, it might
1536 be overridden in outer contexts.
1537 (scan_sharing_clauses): For global variables don't create a field.
1538 (lower_rec_input_clauses): Do nothing for global shared variables.
1539 Emit a barrier at the end of ILIST if there were any decls in both
1540 firstprivate and lastprivate clauses.
1541 (lower_send_clauses): Do nothing for global variables except for
1544 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1546 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1547 of the correct signedness is returned.
1549 2006-05-02 Jeff Law <law@redhat.com>
1551 PR tree-optimization/27364
1552 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1553 multiply expressions.
1555 2006-05-02 Tom Tromey <tromey@redhat.com>
1557 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1559 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1562 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1563 -mthumb -fPIC are used.
1565 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1566 Joshua Kinard <kumba@gentoo.org>
1569 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1570 with 64-bit pointers.
1572 2006-05-02 Paul Brook <paul@codesourcery.com>
1574 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1576 (create_fix_barrier): Check that a suitable barrier location is
1578 (arm_reorg): Include ftmp->address in allowable range of addresses.
1580 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1583 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1586 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1589 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1590 around RESULT_DECL for result passed by reference.
1591 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1592 * omp-low.c (use_pointer_for_field): Don't look at
1593 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1594 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1595 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1596 time or var for passing by reference for
1597 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1598 TREE_ADDRESSABLE variables when passing by reference.
1600 * omp-low.c (dump_omp_region): Fix output formatting.
1603 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1604 (expand_omp_parallel): Likewise.
1605 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1608 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1609 on statement list containing also constructors and destructors.
1610 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1613 * except.c (duplicate_eh_regions): Fix clearing of
1614 cfun->eh->region_array entries.
1616 2006-05-01 DJ Delorie <dj@redhat.com>
1618 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1620 (gcc_cv_objdump): Likewise.
1621 * configure: Regenerated.
1623 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1626 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1627 templates for case 3 and 4.
1629 2006-05-01 DJ Delorie <dj@redhat.com>
1631 * vec.c: Include bconfig.h when appropriate.
1632 * Makefile.in (build/vec.o): Adjust dependencies.
1633 * mkconfig.sh: Make sure config.h isn't used for build machine
1636 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1638 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1640 (mark_phi_for_rewrite): New function.
1641 (insert_phi_nodes_for, mark_use_interesting): Call
1642 mark_phi_for_rewrite.
1643 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1644 (update_ssa): Initialize and free phis_to_rewrite.
1646 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1648 PR rtl-optimization/27291
1649 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1650 folded to a constant.
1652 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1654 PR tree-optimization/27283
1655 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1656 not whole # of iteration descriptions.
1657 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1658 uses abnormal ssa name.
1659 (niter_for_single_dom_exit): Ditto.
1660 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1661 return just the number of iterations.
1663 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1665 PR tree-optimization/27144
1666 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1667 (record_estimate): Only record constant upper bound.
1668 (infer_loop_bounds_from_undefined): Call
1669 compute_estimated_nb_iterations just once.
1670 (proved_non_wrapping_p): Renamed to ...
1671 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1672 (convert_step_widening, scev_probably_wraps_p): Call
1673 n_of_executions_at_most instead of proved_non_wrapping_p.
1674 (substitute_in_loop_info): Do not replace values in bounds.
1675 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1678 2006-05-01 Richard Henderson <rth@redhat.com>
1681 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1682 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1685 2006-05-01 Roger Sayle <roger@eyesopen.com>
1687 * c-typeck.c (parser_build_binary_op): Don't call the function
1688 unsigned_conversion_warning to spot operand/result type overflow.
1689 (build_binary_op): Instead, call convert_and_check instead of
1690 convert to report the problem when the operands are promoted.
1691 * c-common.c (unsigned_conversion_warning): Make static.
1692 * c-common.h (unsigned_conversion_warning): Delete prototype.
1694 2006-05-01 Richard Guenther <rguenther@suse.de>
1696 PR tree-optimization/26726
1697 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1699 (find_interesting_uses_address): ... we work around here
1700 by folding INDIRECT_REFs in the substituted base.
1702 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1704 * omp-low.c (dump_omp_region): Add newlines.
1706 2006-04-30 Roger Sayle <roger@eyesopen.com>
1708 * common.opt (Woverflow): New command line option.
1709 * c-common.c (constant_expression_warning): Check warn_overflow.
1710 (overflow_waring): Pass OPT_Woverflow to warning.
1711 (unsigned_conversion_warning): Likewise.
1712 (convert_and_check): Likewise.
1713 * doc/invoke.texi: Document new command line option.
1715 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1717 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1718 TARGET_NO_FP_IN_TOC for section anchors.
1719 (optimization_options): Enable section anchors for all
1720 non-"Objective" languages.
1722 2006-04-28 Eric Christopher <echristo@apple.com>
1724 * config/darwin-c.c (darwin_ms_struct): Move this
1725 (darwin_set_default_type_attributes): and this...
1726 * config/darwin.c: ... here.
1727 * config/darwin.h (darwin_ms_struct): Declare.
1729 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1731 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1733 2006-04-28 Roger Sayle <roger@eyesopen.com>
1736 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1737 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1738 an unsigned HOST_WIDE_INT.
1739 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1741 (really_start_incremental_init): No need to call convert because
1742 bitsize_zero_node is already of type bitsizetype.
1743 (push_init_level): Extract the value of constructor_index as an
1744 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1745 (process_init_element): Likewise.
1747 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1749 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1750 value before passing to make_relative_prefix.
1752 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1755 * builtins.c (expand_builtin_memset): Expand val in original mode.
1757 2006-04-27 Eric Christopher <echristo@apple.com>
1759 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1760 with #ifndef/#endif.
1761 * config/darwin-c.c (darwin_ms_struct): New.
1762 (darwin_pragma_ms_struct): Ditto.
1763 (darwin_set_default_type_attributes): Ditto.
1764 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1765 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1766 Register ms_struct pragma.
1767 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1768 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1769 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1770 darwin_set_default_type_attributes if TARGET_MACHO.
1772 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1774 PR tree-optimization/26854
1775 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1776 * doc/tree-ssa.texi: Update immuse iterator documentation.
1777 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1778 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1779 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1780 first_safe_imm_use, next_safe_imm_use): Remove.
1781 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1782 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1783 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1784 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1785 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1786 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1787 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1788 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1789 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1790 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1791 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1792 (perfect_nestify): Use new iterator.
1793 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1795 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1796 (next_imm_name): New field in struct immediate_use_iterator_d.
1797 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1798 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1799 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1800 * tree-cfg.c (replace_uses_by): Use new iterator.
1801 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1802 * tree-ssa-operands.c (correct_use_link): Remove.
1803 (finalize_ssa_use_ops): No longer call correct_use_link.
1805 2006-04-27 Stuart Hastings <stuart@apple.com>
1807 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1808 * config/t-darwin (crt3.o): Use it.
1809 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1810 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1811 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1812 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1813 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1816 2006-04-27 Roger Sayle <roger@eyesopen.com>
1818 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1819 size, force the intermediate into a new pseudo rather instead of
1820 performing both a bitwise AND and a bitwise IOR in memory.
1822 2006-04-27 Richard Guenther <rguenther@suse.de>
1824 PR rtl-optimization/26685
1825 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1826 this one "max-flow-memory-locations".
1828 2006-04-27 Richard Guenther <rguenther@suse.de>
1830 PR tree-optimization/25148
1831 * tree-vrp.c (compare_values): Remove code dealing with
1832 comparisons against type min/max value. Honour overflow
1833 and negative constants in code dealing with comparisons
1834 of plus and minus expressions.
1835 (value_inside_range): Use fold_binary with LE_EXPR and
1836 GE_EXPR rather than compare_values.
1838 2006-04-27 Dirk Mueller <dmueller@suse.de>
1840 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1843 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1845 * basic-block.h (safe_insert_insn_on_edge): Removed.
1846 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1848 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1849 Paolo Bonzini <bonzini@gnu.org>
1852 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1853 (simplify_and_const_int): Same.
1855 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1857 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1859 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1862 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1863 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1864 cgraph_global_info_ready.
1867 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1870 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1871 either decl or init is error_mark_node.
1874 * tree-flow.h (struct omp_region): Add sched_kind.
1875 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1876 instead of extracting omp for data.
1877 (expand_omp_for): Save extracted sched_kind.
1879 2006-04-25 Roger Sayle <roger@eyesopen.com>
1881 * expmed.c (store_bit_field): Also check whether the bitsize is
1882 valid for the machine's "insv" instruction before moving the
1883 target into a pseudo for use with the insv.
1884 * config/i386/predicates.md (const8_operand): New predicate.
1885 * config/i386/i386.md (extv, extzv, insv): Use the new
1886 const8_operand predicate where appropriate.
1888 2006-04-25 DJ Delorie <dj@redhat.com>
1890 * doc/install.texi (Specific): Clarify that this is not a list of
1891 supported hosts or targets.
1893 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1895 PR rtl-optimization/26725
1896 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1897 block's BB_DIRTY flag.
1899 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1901 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1904 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1905 to print an integer.
1907 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1909 * varasm.c (align_variable): New function.
1910 (get_block_for_decl): Apply align_variable to DECL before
1911 calculating section information.
1912 (assemble_variable): Split out alignment computation.
1914 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1916 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1919 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1921 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1922 MODE_PARTIAL_INT mode.
1923 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1924 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1926 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1927 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1929 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1931 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1933 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1934 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1935 MACFLAG_IH): Likewise.
1936 (movstricthi_1): Renamed from "*movstricthi".
1937 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1938 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1939 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1940 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1941 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1942 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1943 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1944 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1945 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1946 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1947 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1948 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1949 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1950 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1951 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1953 * doc/rtl.texi (ss_ashift): Improve wording.
1955 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1957 * dwarf2out.c (verify_marks_clear): New.
1958 (prune_unused_types): Call verify_marks_clear initially, not
1961 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1963 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1964 * doc/rtl.texi: Document them.
1965 * simplify-rtx.c (simplify_unary_operation,
1966 simplify_binary_operation_1): Don't abort when we see them.
1968 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1971 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1972 * configure.ac: Completely disregard languages that are not
1974 * configure: Regenerated.
1976 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1977 Richard Guenther <rguenther@suse.de>
1979 PR tree-optimization/27236
1980 * tree-inline.c (copy_body_r): Make sure to copy
1981 TREE_THIS_VOLATILE flag.
1983 2006-04-24 Richard Guenther <rguenther@suse.de>
1986 * tree-complex.c (update_parameter_components): Don't handle
1987 unused parameters which have no default def.
1989 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1990 Richard Guenther <rguenther@suse.de>
1992 PR tree-optimization/27218
1993 * tree-inline.c (expand_call_inline): Strip useless type
1994 conversions for the return slot address.
1996 2006-04-24 Richard Guenther <rguenther@suse.de>
1998 * cfgloop.h (struct loops): Remove unused field array. Reorder
2000 (LOOP_PREFETCH): Remove.
2002 2006-04-24 Richard Guenther <rguenther@suse.de>
2004 PR tree-optimization/22525
2005 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2006 variable, adjust types of generated expressions.
2008 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2010 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2011 (tree-vect-patterns.o): Likewise.
2013 (cselib.o): Likewise.
2014 (loop-doloop.o): Likewise.
2015 (regclass.o): Likewise.
2016 (reload1.o): Likewise.
2017 (explow.o): Replace target.h with $(TARGET_H).
2018 (ipa-prop.o): Likewise.
2019 (ipa-cp.o): Likewise.
2020 (ipa-inline.o): Likewise.
2021 (reorg.o): Likewise.
2022 (reg-stack.o): Likewise.
2024 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2026 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2028 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2030 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2032 * configure.ac: Completely disregard languages that are not
2034 * configure: Regenerated.
2037 * c-common.h (c_build_bitfield_integer_type): Declare.
2038 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2039 * c-common.c (c_build_bitfield_integer_type): ... here.
2041 2006-04-23 Roger Sayle <roger@eyesopen.com>
2044 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2045 a SImode SUBREG of a floating point register after no_new_pseudos.
2047 2006-04-23 Roger Sayle <roger@eyesopen.com>
2049 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2050 identify potentially eliminable registers to additionally catch
2051 VIRTUAL_INCOMING_ARGS_REGNUM.
2052 (addsi3): Update the conditions on when to use addsi_small_int.
2054 2006-04-23 Roger Sayle <roger@eyesopen.com>
2057 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2058 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2059 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2061 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2063 * fold-const.c (range_predecessor): Use operand_equal_p
2064 as the predicate for equality.
2065 (range_successor): Likewise.
2067 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2070 * config/soft-fp/op-common.h: Fix a typo.
2072 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2075 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2076 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2078 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2080 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2082 * doc/tm.texi: Fix a typo.
2084 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2086 * dwarf2out.c (struct die_struct): Document that die_sib makes
2087 a circular linked list.
2088 (FOR_EACH_CHILD): New.
2089 (reverse_die_lists): Delete.
2090 (reverse_all_dies): Delete.
2091 (add_dwarf_attr): Correct documentation.
2092 (remove_child_with_prev): New.
2093 (remove_child_TAG): Update for change to die_struct, use
2094 remove_child_with_prev.
2095 (add_child_die): Update for change to die_struct.
2096 (splice_child_die): Use remove_child_with_prev and add_child_die.
2097 (print_die): Use FOR_EACH_CHILD.
2098 (die_checksum): Likewise.
2099 (assign_symbol_names): Likewise.
2100 (output_location_lists): Likewise.
2101 (build_abbrev_table): Likewise.
2102 (calc_die_sizes): Likewise.
2103 (mark_dies): Likewise.
2104 (unmark_dies): Likewise.
2105 (unmark_all_dies): Likewise.
2106 (output_die): Likewise.
2107 (prune_unused_types_mark): Likewise.
2108 (prune_unused_types_walk): Likewise.
2109 (same_die_p): Update for change to die_struct.
2110 (break_out_includes): Likewise.
2111 (prune_unused_types_prune): Likewise.
2112 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2113 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2115 (dwarf2out_finish): Don't call reverse_all_dies.
2117 2006-04-21 Eric Christopher <echristo@apple.com>
2119 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2120 in comments and function names.
2122 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2125 * c-typeck.c (digest_init): Robustify.
2127 * c-typeck.c (pop_init_level): Simplify.
2129 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2131 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2133 2006-04-21 Paul Brook <paul@codesourcery.com>
2135 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2136 hardware floating point.
2138 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2140 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2143 2006-04-21 Nick Clifton <nickc@redhat.com>
2145 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2148 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2151 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2152 C++ lang type in traceback table for Objective-C++.
2154 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2156 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2158 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2160 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2163 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2164 were errors. Remove check for erroneous objects.
2166 2006-04-20 Jeff Law <law@redhat.com>
2168 PR tree-optimization/26854
2169 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2170 checking for zero or one use.
2171 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2172 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2173 * tree-ssa-reassoc.c (negate_value): Similarly.
2174 (reassociate_bb): Similarly.
2176 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2178 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2179 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2180 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2182 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2184 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2185 fp regs if the last fp arg doesn't fit in regs.
2187 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2190 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2191 that the last insn has the REG_INC note.
2193 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2194 Nathan Sidwell <nathan@codesourcery.com>
2197 * stor-layout.c (update_alignment_for_field): Do not align
2199 (place_union_field): Place union field at the start of the union.
2200 (place_field): Move ERROR_MARK check later, and use the current
2201 allocation position to maintain monotonicity.
2203 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2205 * dominance.c: Include timevar.h.
2206 (calculate_dominance_info): Use TV_DOMINANCE.
2207 * timevar.def (TV_DOMINANCE): New timevar.
2208 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2210 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2212 PR rtl-optimization/14261
2213 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2214 move would be an INSV insn.
2215 (noce_process_if_block): Don't optimize if the destination is a
2216 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2218 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2220 * config/s390/s390.md: Add comments with the instructions emitted
2221 by an insn pattern if macros are used.
2223 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2225 PR rtl-optimization/26026
2226 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2227 is a known power of two shifted left a variable amount.
2229 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2231 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2232 to hash table twice when the debug_str section has SECTION_MERGE.
2234 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2236 * config/soft-fp: New directory. From glibc.
2237 * config/soft-fp/t-softfp: New.
2238 * config/soft-fp/README: New.
2239 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2240 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2241 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2242 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2243 * config.gcc: Use rs6000/t-fprules-fpbit or
2244 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2246 * config/rs6000/sfp-machine.h: New. Based on glibc.
2247 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2249 * config/rs6000/t-fprules: Remove fp-bit rules.
2250 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2251 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2252 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2253 (softfp_wrap_start, softfp_wrap_end): New.
2255 2006-04-18 DJ Delorie <dj@redhat.com>
2257 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2259 2006-04-18 Devang Patel <dpatel@apple.com>
2261 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2263 2006-04-18 Nick Clifton <nickc@redhat.com>
2265 * config/sh/t-symbian: Add rule to build sh-c.o
2266 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2267 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2268 (sh_symbian_encode_section_info): Likewise.
2270 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2272 * builtins.c (expand_builtin_strcmp): Cover label definition of
2273 do_libcall with HAVE_cmpstrnsi.
2275 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2277 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2279 * function.h (temp_slot_p): New.
2280 (function): Change the type of x_used_temp_slots to
2281 VEC(temp_slot_p,gc) *.
2283 2006-04-18 Nick Clifton <nickc@redhat.com>
2285 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2286 flag_strength_reduce.
2288 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2290 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2294 Partial revert of revision 112637
2295 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2296 Dale Johannesen <dalej@apple.com>
2299 * regclass.c (struct reg_pref): Update documentation.
2300 (regclass): Set prefclass to NO_REGS if memory is the best option.
2301 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2303 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2305 PR tree-optimization/26821
2306 * tree-ssa-math-opts.c (get_constant_one): New.
2307 (insert_reciprocals): Use it.
2309 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2311 * dwarf2out.c (free_AT): Delete.
2312 (remove_AT): Update string ref counts.
2313 (remove_child_TAG): Don't call free_die.
2315 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2316 or DW_TAG_GNU_EINCL.
2317 (prune_unused_types_walk_attribs): Reset string refcounts.
2318 (prune_unused_types_update_strings): New.
2319 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2320 call free_die. Do call prune_unused_types_update_strings.
2321 (prune_unused_types): Empty debug_str_hash.
2323 2006-04-17 Roger Sayle <roger@eyesopen.com>
2325 * expr.c (expand_assignment): Optimize away no-op moves where the
2326 source and destination are equal and have no side-effects.
2328 2006-04-17 Richard Guenther <rguenther@suse.de>
2331 * reload.c (push_reload): Guard calls to get_secondary_mem
2334 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2336 * alias.c (reg_base_value, old_reg_base_value): Change the
2337 type to VEC(rtx,gc) *.
2338 (REG_BASE_VALUE, find_base_value, record_set,
2339 init_alias_analysis): Use VEC instead of VARRAY.
2341 * alias.c (alias_sets): Change the type to
2342 VEC(alias_set_entry,gc) *.
2343 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2344 VEC instead of VARRAY.
2345 (last_alias_set): Remove.
2347 * cgraph.h (cgraph_edge_p): New.
2348 Update the prototype of cgraph_function_versioning.
2349 * cgraphunit.c (cgraph_copy_node_for_versioning,
2350 cgraph_function_versioning): Use VEC instead of VARRAY.
2351 * ipa-cp.c (ipcp_insert_stage): Likewise.
2353 2006-04-16 Roger Sayle <roger@eyesopen.com>
2356 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2357 "A op B" or "A op C", we may need to convert A to the type of B and C.
2359 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2361 * target.h (struct gcc_target): Add mode_rep_extended.
2362 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2363 (init_num_sign_bit_copies_in_rep): Initialize it using
2365 (truncate_to_mode): Use it.
2366 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2367 * targhooks.h (default_mode_rep_extended): Declare it.
2368 * targhooks.c (default_mode_rep_extended): Define it.
2369 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2370 default_mode_rep_extended.
2371 (TARGET_INITIALIZER): Include it.
2372 * doc/tm.texi (Misc): Document it.
2373 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2374 (mips_truncated_to_mode): New function.
2376 2006-04-16 Roger Sayle <roger@eyesopen.com>
2379 * expr.c (compress_float_constant): Copy the narrow constant into
2380 a new pseudo before extending it to its final width.
2382 2006-04-16 Roger Sayle <roger@eyesopen.com>
2383 Andrew Pinski <pinskia@gcc.gnu.org>
2384 Dale Johannesen <dalej@apple.com>
2387 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2388 special case code to implement V8HImode and V16QImode with SSE2.
2390 2006-04-15 Roger Sayle <roger@eyesopen.com>
2392 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2393 trees are constructed with a suitable tree type.
2395 2006-04-15 Roger Sayle <roger@eyesopen.com>
2397 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2398 (integer_onep): Likewise.
2399 (integer_all_onesp): Likewise.
2400 (integer_pow2p): Likewise.
2401 (integer_nonzerop): Likewise.
2402 (real_zerop): Likewise.
2403 (real_onep): Likewise.
2404 (real_twop): Likewise.
2405 (real_minus_onep): Likewise.
2406 (int_size_in_bytes): Likewise.
2407 (host_integerp): Likewise.
2409 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2411 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2412 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2413 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2415 * tree-ssa-structalias.h (alias_info): Remove num_references.
2417 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2419 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2420 (output_bvb patterns): Likewise.
2421 * pa.c (output_bb): Use 'bb' insn for long branch case.
2422 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2423 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2424 1. Correct length operand for alternatives 1 and 2.
2425 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2426 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2428 2006-04-14 Roger Sayle <roger@eyesopen.com>
2430 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2431 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2432 were accidentally reverted by r112959.
2434 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2437 * except.h (eh_region_outermost): New prototype.
2438 * except.c (eh_region_outermost): New function.
2439 * tree-cfg.c (find_outermost_region_in_block): Use it.
2441 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2443 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2445 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2446 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2447 (init_reload, reload): Use VEC instead of VARRAY.
2448 * reload.h: Update the prototype for
2449 reg_equiv_memory_loc_varray.
2451 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2452 Eric Botcazou <ebotcazou@libertysurf.fr>
2454 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2457 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2460 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2461 to expand fallback builtin function call.
2463 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2466 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2467 and emit libcall here in case the builtin fails.
2468 (expand_builtin_strcmp): Always emit the libcall here on failure.
2470 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2472 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2473 * flow.c (reg_n_info): Change the type to
2474 VEC(reg_info_p,heap) *.
2475 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2477 * regs.h (reg_info_p): New.
2478 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2479 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2480 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2483 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2485 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2487 * params.h (MAX_SCHED_READY_INSNS): New macro.
2488 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2489 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2490 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2491 the ready list for 1 cycle during the first scheduling pass.
2492 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2494 2006-04-13 Richard Henderson <rth@redhat.com>
2497 * gimple-low.c (lower_omp_directive): Remove dead code.
2498 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2499 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2500 * omp-low.c (struct omp_region): Move to tree-flow.h.
2501 (root_omp_region): Export.
2502 (omp_regions, lookup_omp_region): Remove.
2503 (determine_parallel_type): Update for struct omp_region changes.
2504 (dump_omp_region): Dump regions with block numbers.
2505 (new_omp_region): Take type and block instead of stmt; malloc
2507 (free_omp_region_1, free_omp_regions): New.
2508 (expand_parallel_call): Take entry_stmt as argument; update for
2509 changes to omp_region.
2510 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2511 (remove_exit_barriers): New.
2512 (expand_omp_parallel): Update for struct omp_region changes.
2513 (expand_omp_synch): Likewise.
2514 (expand_omp): Likewise.
2515 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2516 (expand_omp_for_static_chunk): Likewise.
2517 (expand_omp_for): Likewise.
2518 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2519 (expand_omp_sections): Similarly, with GOMP_sections_end.
2520 (expand_omp_single): New.
2521 (build_omp_regions_1): Update for OMP_CONTINUE.
2522 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2523 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2524 OMP_SECTIONS_SECTIONS.
2525 (lower_omp_single_simple): Don't emit barrier here.
2526 (lower_omp_single_copy): Likewise.
2527 (lower_omp_single): Fix bindings, and lower to straightline now.
2528 (lower_omp_master, lower_omp_ordered): Likewise.
2529 (lower_omp_critical): Likewise.
2530 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2531 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2532 omp edges, free it afterward.
2533 (make_omp_sections_edges): Remove.
2534 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2535 (move_stmt_r): Handle OMP_CONTINUE.
2536 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2537 statement pointers to basic blocks. Add type member.
2538 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2539 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2540 * tree-inline.c (estimate_num_insns_1): Likewise.
2541 * tree-pretty-print.c (dump_generic_node): Likewise.
2542 * tree-ssa-operands.c (get_expr_operands): Likewise.
2543 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2544 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2545 (OMP_CONTINUE): New.
2546 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2547 (OMP_SECTIONS_SECTIONS): Remove.
2548 (OMP_SECTION_LAST): New.
2549 (OMP_RETURN_NOWAIT): New.
2551 2006-04-13 Roger Sayle <roger@eyesopen.com>
2553 * fold-const.c (native_encode_vector, native_interpret_real):
2554 Correct obvious mistakes in the previous check-in.
2556 2006-04-13 Roger Sayle <roger@eyesopen.com>
2558 * fold-const.c (native_encode_expr): New function to encode
2559 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2560 or VECTOR_CST into a specified buffer.
2561 (native_encode_int): New function.
2562 (native_encode_real): New function.
2563 (native_encode_complex): New function.
2564 (native_encode_vector): New function.
2565 (native_interpret_expr): Inverse of native_encode_expr to convert
2566 a target representation into an INTEGER_CST, REAL_CST etc...
2567 (native_interpret_int): New function.
2568 (native_interpret_real): New function.
2569 (native_interpret_complex): New function.
2570 (native_interpret_vector): New function.
2571 (fold_view_convert_expr): New function to constant fold/evaluate
2572 a VIEW_CONVERT_EXPR of a suitable constant expression.
2573 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2574 Change call of build1 to fold_build1 when constructing a
2577 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2578 Ulrich Weigand <uweigand@de.ibm.com>
2581 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2584 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2587 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2588 optimize to lo_sum for DFmode if !TARGET_FPRS.
2590 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2592 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2593 delete_alias_info, compute_flow_sensitive_aliasing,
2594 group_aliases): Use VEC instead of VARRAY.
2595 * tree-ssa-structalias.c (update_alias_info): Likewise.
2596 * tree-ssa-structalias.h (alias_info): Change the type of
2597 processed_ptrs to VEC(tree,heap) *.
2599 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2602 * config/sh/lib1funcs.h: New file, broken out of:
2603 * config/sh/lib1funcs.asm.
2604 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2606 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2607 * config/sh/lib1funcs-Os-4-200.asm: New file.
2608 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2609 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2610 (EXTRA_MULTILIB_PARTS): Include it.
2611 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2612 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2613 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2614 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2617 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2619 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2620 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2621 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2623 * tree-ssa-live.h: Include vecprim.h.
2624 (tree_partition_associator_d): Change the type of
2625 first_partition to VEC(int,heap) *.
2626 (tpa_first_partition): Use VEC instead of VARRAY.
2628 * Makefile.in (GTFILES): Move functions.h after tree.h.
2629 * function.c (reset_block_changes, record_block_change,
2630 check_block_change, free_block_changes): Use VEC instead of
2632 * function.h (function): Change the type of
2633 ib_boundaries_block to VEC(tree,gc) *.
2634 * tree-inline.c (copy_cfg_body): Initialize
2635 ib_boundaries_block to NULL instead of (varray_type) 0.
2637 2006-04-12 Roger Sayle <roger@eyesopen.com>
2639 * expr.c (emit_group_store): Correct operand order in call to
2640 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2641 a SUBREG_BYTE of zero.
2643 2006-04-12 Richard Guenther <rguenther@suse.de>
2645 * profile.c (compute_branch_probabilities): Remove code
2646 encapsulated in !ir_type (), which are remanents of the
2647 removed RTL profiling code.
2648 * rtl-profile.c: Remove.
2650 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2652 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2653 magic NULL_RTX comment.
2654 (function_arg): Store entire fp arg to mem if any part should go
2656 (rs6000_arg_partial_bytes): Adjust for above change.
2658 2006-04-11 Roger Sayle <roger@eyesopen.com>
2660 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2661 if it hasn't been initialized by dwarf2out_init.
2663 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2665 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2666 symbolic constants in branch patterns.
2668 2006-04-11 Roger Sayle <roger@eyesopen.com>
2670 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2672 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2674 PR rtl-optimization/27073
2675 * gcse.c (try_replace_reg): Revert last change. Continue to search
2676 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2679 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2681 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2682 aggregate types other than record and union types.
2683 (function_arg): Likewise.
2684 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2686 (function_value): In 64-bit mode, return objects that require it
2689 2006-04-11 Roger Sayle <roger@eyesopen.com>
2691 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2693 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2695 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2697 2006-04-03 Jeff Law <law@redhat.com>
2700 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2701 alias information too.
2703 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2705 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2707 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2710 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2711 (premark_used_types_helper): New.
2712 (premark_used_types): New.
2713 (gen_subprogram_die): Call premark_used_types.
2714 (prune_unused_types_walk): Do not prune perennial dies.
2715 * function.c (used_types_insert): New.
2716 * function.h (struct function): Add used_types_hash field.
2717 (used_types_insert): Add prototype.
2718 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2719 * c-parser.c (c_parser_cast_expression): Save casted types in used
2722 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2725 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2726 rs6000_explicit_options.float_gprs.
2728 2006-04-10 Roger Sayle <roger@eyesopen.com>
2730 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2731 from ix86_expand_vector_init_low_nonzero. Take an additional
2732 one_var argument indicating which element is non-zero. Support
2733 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2734 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2735 with one_var instead of ix86_expand_vector_init_low_nonzero.
2737 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2739 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2740 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2741 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2742 build/genextract.o): Depend on vecprim.h.
2743 * cfglayout.c, df-problems.c, function.c, genextract.c,
2744 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2745 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2749 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2751 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2752 Declare VECs of this type.
2753 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2754 (remove_children): Delete.
2755 (add_dwarf_attr): Use VEC routines.
2756 (add_AT_flag): Update for changes to add_dwarf_attr.
2757 (add_AT_int): Likewise.
2758 (add_AT_unsigned): Likewise.
2759 (add_AT_long_long): Likewise.
2760 (add_AT_vec): Likewise.
2761 (add_AT_string): Likewise.
2762 (add_AT_die_ref): Likewise.
2763 (add_AT_fde_ref): Likewise.
2764 (add_AT_loc): Likewise.
2765 (add_AT_loc_list): Likewise.
2766 (add_AT_addr): Likewise.
2767 (add_AT_lbl_id): Likewise.
2768 (add_AT_lineptr): Likewise.
2769 (add_AT_macptr): Likewise.
2770 (add_AT_offset): Likewise.
2771 (add_AT_range_list): Likewise.
2772 (get_AT): Use VEC_iterate.
2773 (remove_AT): Use VEC_ordered_remove.
2774 (free_die): Fold remove_children into here; have it use VEC_iterate.
2775 (print_die): Use VEC_iterate on attrs.
2776 (reverse_die_lists): Don't reverse attr lists.
2777 (die_checksum): Use VEC_iterate on attrs.
2778 (same_die_p): Likewise.
2779 (output_location_lists): Likewise.
2780 (build_abbrev_table): Likewise.
2781 (size_of_die): Likewise.
2782 (unmark_all_dies): Likewise.
2783 (output_abbrev_section): Likewise.
2784 (output_die): Likewise.
2785 (prune_unused_types_walk_attribs): Likewise.
2787 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2789 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2791 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2794 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2796 2006-04-09 Roger Sayle <roger@eyesopen.com>
2798 * expr.c (store_constructor): Don't bother clearing target if
2799 we're about to assign a vector to it using vec_init_optab.
2801 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2803 * tree-ssa-alias.c (lhs_may_store_to): New function.
2804 (recalculate_used_alone): Handle LHS of calls.
2806 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2810 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2811 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2812 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2813 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2814 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2815 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2816 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2817 stubs. Add ".align 8" directives before all ".dword" directives.
2818 (GTHREAD_USE_WEAK): Revise comment.
2819 (TARGET_ATTRIBUTE_WEAK): Define.
2820 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2821 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2822 * stublib.c: New file.
2827 * pa.md (cbranch patterns): Revise arguments used in calls to
2828 output_cbranch, output_bb and output_bvd. Add long branch length
2830 (fbranch patterns): Handle long branches.
2831 (jump): Revise length check. Revise arguments for output_lbranch call.
2832 Add long branch length attributes.
2833 (decrement_and_branch_until_zero): Add long branch length attributes.
2834 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2835 Likewise. Revise arguments for output_parallel_addb and
2836 output_parallel_movb calls.
2837 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2838 output_parallel_movb and output_parallel_addb): Update prototypes.
2839 * pa.c (output_cbranch): Revise arguments. Correct handling of
2840 nullification in long branches.
2841 (output_lbranch): Add new argument to control extraction of delay
2843 (output_bb): Handle long branches.
2844 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2845 output_parallel_addb): Likewise.
2847 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2849 PR rtl-optimization/27073
2850 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2853 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2855 * tree.h (tree_memory_tag): Add old_used_alone.
2856 (SMT_OLD_USED_ALONE): New macro.
2857 * tree-ssa-alias.c (recalculate_used_alone): Stop
2858 marking things for renaming unnecessarily.
2860 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2862 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2863 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2864 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2865 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2866 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2867 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2868 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2869 spelling convensions.
2870 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2871 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2872 typos. Follow spelling conventions.
2874 2006-04-07 DJ Delorie <dj@redhat.com>
2876 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2877 passed on the stack.
2878 (m32c_init_cumulative_args): When a function returns a structure,
2879 always pass the pointer to that return area on the stack.
2880 (m32c_function_arg_advance): Don't increment the parameter number
2881 if we're processing the returned structure pointer.
2882 (pushm_info): Reverse order of registers.
2884 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2886 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2887 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2888 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2889 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2891 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2892 chrec_fold_multiply): Same.
2893 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2894 force_expr_to_var_cost): Same.
2895 * tree-mudflap.c (mf_xform_derefs_1): Same.
2896 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2898 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2900 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2901 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2904 2006-04-07 Jan Hubicka <jh@suse.cz>
2906 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2908 2006-04-07 Richard Guenther <rguenther@suse.de>
2910 PR tree-optimization/26135
2911 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2912 loads for store copy-prop.
2913 (copy_prop_visit_stmt): Likewise.
2915 2006-04-05 Robert Millan <robertmh@gnu.org>
2917 * config/i386/linux.h: Add a comment to mark macros that are
2918 being overriden in config/k*bsd-gnu.h.
2919 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2921 * config/knetbsd-gnu.h: Ditto.
2923 2006-04-06 Jan Hubicka <jh@suse.cz>
2927 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2930 2006-04-06 Mike Stump <mrs@apple.com>
2932 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2933 for HAVE_nonlocal_goto to be consistent.
2934 (expand_builtin_nonlocal_goto): Likewise.
2935 (expand_builtin_strcmp): Use #ifdef instead of #if
2936 for HAVE_cmpstrnsi to be consistent.
2938 2006-04-05 DJ Delorie <dj@redhat.com>
2940 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2943 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2945 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2946 got-relative addressing for anything but SImode.
2948 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2949 even if the calling function doesn't modify them.
2951 2006-04-05 Richard Guenther <rguenther@suse.de>
2953 PR tree-optimization/26919
2954 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2955 to cgraph_estimate_size_after_inlining.
2957 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2959 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2961 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2963 PR tree-optimization/26996
2964 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2965 VECTOR_TYPE variables.
2967 2006-04-05 Richard Guenther <rguenther@suse.de>
2969 PR tree-optimization/26763
2970 * fold-const.c (fold_comparison): Move folding of
2971 PTR + CST CMP PTR + CST ...
2972 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2974 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2976 * doc/install.texi (Prerequisites): Refine some wording on
2977 bootstrapping and ksh.
2978 Move the version numbers of DejaGnu here from the testing section
2979 and fix casing of names.
2980 Fix markup and clarify wording for autogen requirements.
2981 Refer to GCJ instead of just java.
2982 Refer to SVN instead of CVS.
2983 Describe diffutils as useful instead of necessary.
2984 (Downloading the source): Refer to SVN instead of CVS.
2985 Adjust a link to our web site accordingly.
2986 (Configuration): Fix casing of Bison.
2987 (Building): Refer to SVN instead of CVS.
2988 Fix a sentence on the use of Bison and remove duplicate (and
2989 incorrect) version number of Bison requirement.
2990 Remove one redundant list of packages needed for building.
2991 (Specific): Avoid reference to CVS.
2993 2006-04-04 Eric Christopher <echristo@apple.com>
2995 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2996 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2997 (rs6000_handle_struct_attribute): New.
2998 (rs6000_ms_bitfield_layout_p): Ditto.
3000 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3002 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3003 NULL for dso parameter to atexit_common.
3005 2006-04-04 Eric Christopher <echristo@apple.com>
3007 * config/i386/i386.c (machopic_output_stub): Output \t
3008 between instructions and operands.
3010 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3012 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3013 satisfies_constraint_[IL] to explicit tests on value.
3015 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3017 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3018 set_nb_iterations_in_loop): Use build_int_cst instead of
3020 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3021 build_int_cst instead of convert.
3023 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3025 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3026 new value 2 for incoming.
3027 * function.c (expand_function_start): Call struct_value_rtx
3029 * config/sparc/sparc.md: Comment updated_return.
3030 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3031 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3032 struct return if sparc_std_struct_return and incoming is 2.
3033 (print_operand): Do not adjust return if
3034 sparc_std_struct_return.
3036 2006-04-04 Roger Sayle <roger@eyesopen.com>
3038 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3039 convert in the middle-end.
3040 * expr.c (store_expr, store_constructor, get_inner_reference,
3041 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3043 * tree.c (build_range_type): Likewise.
3045 2006-04-04 Tom Tromey <tromey@redhat.com>
3047 * doc/install.texi (Prerequisites): Mention jar.
3049 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3051 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3054 2006-04-04 Matthias Klose <doko@debian.org>
3056 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3057 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3060 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3062 * doc/extend.texi (Function Attributes): Rewrite visibility
3063 attribute documentation.
3064 * doc/invoke.texi (C++ Dialect Options): Rewrite
3065 -fvisibility-inlines-hidden documentation to describe something
3066 entirely different, although in practise compatible.
3067 (Code Gen Options): Warn about system headers in -fvisibility=
3070 * doc/extend.texi (Other Builtins): Document that
3071 __builtin_nan is a compile-time constant only when its argument
3074 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3076 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3077 trying to remove TRUNCATE check if all bits outside the new mode
3078 are identical to the sign bit.
3080 2006-04-03 Jeff Law <law@redhat.com>
3082 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3083 and operand scanning in some common cases.
3085 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3086 Dale Johannesen <dalej@apple.com>
3089 * regclass.c (struct reg_pref): Update documentation.
3090 (regclass): Set prefclass to NO_REGS if memory is the best option.
3091 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3092 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3093 into account. For non-registers, equate an empty preferred
3094 reload class to a `!' in the constraint; move the if clause to
3095 do so after those that reject the insn.
3096 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3098 (find_dummy_reload): Likewise.
3099 * doc/tm.texi (Register Classes): Document what it means
3100 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3101 * config/i386/i386.c (ix86_preferred_reload_class): Force
3102 using SSE registers (and return NO_REGS for floating-point
3103 constants) if math is done with SSE.
3104 (ix86_preferred_output_reload_class): New.
3105 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3106 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3107 * config/i386/i386.md: Remove # register preferences.
3109 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3112 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3113 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3114 the type of nb_iter.
3115 (instantiate_parameters_1): Convert the operands before calling
3116 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3117 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3119 2006-04-02 Roger Sayle <roger@eyesopen.com>
3121 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3122 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3124 * dojump.c (do_jump): Likewise.
3125 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3126 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3127 gimplify_boolean_expr): Likewise.
3128 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3129 * varasm.c (array_size_for_constructor): Likewise.
3130 * tree-object-size.c (compute_object_offset): Likewise.
3132 2006-04-02 Roger Sayle <roger@eyesopen.com>
3135 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3136 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3138 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3140 PR tree-optimization/26939
3141 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3143 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3145 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3146 at_stmt. Convert the type of operands before calling
3147 build_polynomial_chrec.
3148 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3150 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3151 (instantiate_parameters_1): Convert the type of operands before calling
3152 build_polynomial_chrec.
3153 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3154 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3155 reset_evolution_in_loop): Insert asserts to check the types of the
3157 (chrec_type): Moved...
3158 (eq_evolutions_p): Use operand_equal_p.
3159 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3160 the types of the operands.
3161 (chrec_type): ...here.
3162 * tree-data-ref.c (create_data_ref): Convert the operands before
3163 calling chrec_replace_initial_condition.
3164 (same_access_functions, analyze_subscript_affine_affine,
3165 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3166 (compute_subscript_distance, analyze_ziv_subscript,
3167 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3168 analyze_miv_subscript): Convert the operands before calling
3169 chrec_fold_minus or chrec_fold_plus.
3171 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3173 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3174 the dependence_relations vector.
3175 (compute_data_dependences_for_loop): Adjust call to
3176 compute_all_dependences.
3178 2006-04-01 Roger Sayle <roger@eyesopen.com>
3179 Richard Henderson <rth@redhat.com>
3181 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3182 gimple_boolify on the condition before calling gimplify_expr.
3184 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3186 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3187 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3188 the frame size. Update to use the new macros.
3189 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3190 * config/xtensa/ieee754-df.S: Likewise.
3192 2006-03-31 Richard Henderson <rth@redhat.com>
3194 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3195 (make_edges): ... here. Control fallthru creation with a local
3196 variable. Do not play with fake edges.
3197 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3198 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3201 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3203 * dwarf2.h (DW64_CIE_ID): Define.
3204 * dwarf2out.c (DWARF_CIE_ID): Define.
3205 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3206 length header. Use DWARF_CIE_ID.
3207 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3208 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3210 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3212 * config/sh/linux-atomic.asm: New file.
3213 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3215 2006-03-31 DJ Delorie <dj@redhat.com>
3217 * config/m32c/cond.md: Set condition flags properly throughout.
3218 * config/m32c/minmax.md: Likewise.
3219 * config/m32c/prologue.md: Likewise.
3220 * config/m32c/bitops.md: Likewise.
3221 * config/m32c/muldiv.md: Likewise.
3222 * config/m32c/mov.md: Likewise.
3223 * config/m32c/addsub.md: Likewise.
3224 * config/m32c/m32c.md: Likewise.
3225 * config/m32c/jump.md: Likewise.
3226 * config/m32c/shift.md: Likewise.
3228 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3229 conditionally output the pattern for this.
3230 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3231 (m32c_compare_redundant): New.
3232 (m32c_output_compare): New.
3233 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3235 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3236 dest, not src. Allow other 4-byte modes.
3238 2006-03-30 Denis Chertykov <denisc@overta.ru>
3240 * doc/md.texi: Refer to avr/constraints.md instead of
3243 2006-03-30 Roger Sayle <roger@eyesopen.com>
3245 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3246 signed vs. unsigned comparison failures on some hosts.
3248 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3251 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3252 change to FLOAT_REGS.
3254 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3255 (rs6000_override_options): Use it.
3256 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3257 only for -mabi=spe/no-spe and -mabi=altivec.
3259 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3261 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3264 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3266 * Makefile.in: Rename docdir to gcc_docdir.
3268 2006-03-30 Roger Sayle <roger@eyesopen.com>
3271 * expr.c (emit_group_store): Optimize group stores into a pseudo
3272 register by using a paradoxical subreg to initialize the destination
3273 if the first or last member of the group specifies a "low part".
3275 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3278 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3279 * target.h (struct gcc_target.speculate_insn): Change type of the
3280 second parameter to 'int'.
3281 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3282 the second operand of the DEPS_LIST.
3283 (copy_DEPS_LIST_list): Update reference to the second operand of the
3285 * rtl.h (alloc_DEPS_LIST): Update signature.
3286 * sched-int.h (ds_t): Change typedef to 'int'.
3287 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3289 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3291 * haifa-sched.c (try_ready): Change condition to restore
3292 non-speculative pattern of the instruction.
3293 (process_insn_depend_be_in_spec): Code to keep probability of the
3294 speculative dependence non-decreasing.
3296 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3298 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3299 (single_move_for_movmem): ... this. Also change all uses.
3300 (bfin_expand_strmov): Renamed to...
3301 (bfin_expand_movmem): ... this. Also change all uses.
3302 * config/bfin/bfin.md (movstrsi): Renamed to...
3303 (movstrsi): ...this.
3305 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3307 PR tree-optimization/26830
3309 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3310 (copy_prop_visit_stmt): Remove write-only variable ann.
3311 (init_copy_prop): Check variable loop depth here. Do not simulate
3312 memory-tag and virtual operand PHIs except for store copy prop.
3314 2006-03-30 Richard Guenther <rguenther@suse.de>
3316 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3317 variants with double arguments.
3319 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3321 * genpreds.c (write_tm_constrs_h): Delete variable p.
3322 * genconditions.c (write_header): Add tm-constrs.h to included
3324 * genpeep.c (main): Add toplev.h to included headers.
3325 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3326 (build/genpeep.o): Add toplev.h dependency.
3327 * config/rs6000/constraints.md: Add "W" constraint.
3329 2006-03-29 Roger Sayle <roger@eyesopen.com>
3331 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3332 sizes by correctly testing whether the size fits a host integer.
3333 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3334 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3335 SImode range for the default sizetype and bitsizetype.
3337 2006-03-29 Roger Sayle <roger@eyesopen.com>
3339 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3340 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3341 quickly if the argument is already of the correct type.
3342 Call fold_build1 instead of build1. Tidy up blank lines.
3344 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3346 * genemit.c (main): Add tm-constrs.h to included headers.
3347 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3348 * genpeep.c (main): Add tm-constrs.h to included headers.
3349 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3350 (write_tm_constrs_h): this and write complete file.
3351 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3352 (write_insn_preds_c): Add tm-constrs.h to included headers.
3353 (gen_constrs): New variable.
3354 (parse_option): Parse "-c".
3355 (main): Invoke write_tm_constrs_h.
3356 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3357 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3358 (object_out_file): Add tm-constrs.h dependency.
3359 (insn-emit.o): Same.
3360 (insn-output.o): Same.
3361 (insn-peep.o): Same.
3362 (insn-preds.o): Same.
3363 (insn-recog.o): Same.
3364 (tm-constsr.h): New target.
3365 (s-constrs-h): New target.
3367 * config/rs6000/constraints.md: New file.
3368 * config/rs6000/rs6000.c: Include tm-constrs.h.
3369 (num_insn_constant_wide): Convert to satisfies_constraint.
3370 (rs6000_rtx_costs): Convert to satisfies_constraint.
3371 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3372 (CONST_OK_FOR_LETTER_P): Delete.
3373 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3374 (EXTRA_CONSTRAINT): Delete.
3375 (EXTRA_MEMORY_CONSTRAINT): Delete.
3376 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3377 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3378 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3379 satisfies_constraint.
3381 * config/i386/i386.c: Include tm-constrs.h.
3383 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3385 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3386 * tree-data-ref.c (find_data_references_in_loop,
3387 compute_data_dependences_for_loop): Use pointers to VEC.
3388 (analyze_all_data_dependences): Adjust calls.
3389 * tree-data-ref.h (find_data_references_in_loop,
3390 compute_data_dependences_for_loop): Adjust declarations.
3391 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3392 compute_data_dependences_for_loop.
3394 2006-03-29 Paul Brook <paul@codesourcery.com>
3396 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3399 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3401 PR tree-optimization/26859
3402 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3404 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3405 for the step after fold_convert.
3407 2006-03-29 Paul Brook <paul@codesourcery.com>
3409 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3410 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3412 2006-03-29 Paul Brook <paul@codesourcery.com>
3415 * targhooks.c (default_narrow_bitfield): New fuction.
3416 * targhooks.h (default_narrow_bitfield): add prototype.
3417 * target.h (gcc_target): Add narrow_volatile_bitfield.
3418 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3419 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3420 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3421 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3423 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3425 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3427 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3428 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3429 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3430 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3431 (s390_function_arg_float): Allow SDmode and DDmode values to be
3432 passed in floating point registers.
3433 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3434 check with SCALAR_FLOAT_MODE_P.
3435 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3437 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3439 PR tree-optimization/25985
3440 * tree-ssa-loop-niter.c (number_of_iterations_le,
3441 number_of_iterations_ne): Make comments more precise.
3442 (number_of_iterations_cond): Add only_exit argument. Use the
3443 fact that signed variables do not overflow only when only_exit
3445 (loop_only_exit_p): New.
3446 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3447 number_of_iterations_cond.
3449 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3451 PR tree-optimization/26643
3452 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3455 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3457 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3458 (divsi3_i4_int): Likewise.
3460 2006-03-28 Roger Sayle <roger@eyesopen.com>
3462 * expr.c (emit_group_store): Only create a new pseudo reg if the
3463 quantity it needs to hold isn't already a suitable pseudo.
3465 2006-03-28 Jeff Law <law@redhat.com>
3467 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3468 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3470 2006-03-28 Roger Sayle <roger@eyesopen.com>
3472 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3473 the equivalent ~X & Y, and the symmetry related transformations.
3474 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3475 ~X & Y, and symmetry related transforms.
3477 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3479 Revert my 2006-03-27 patches.
3481 2006-03-28 Roger Sayle <roger@eyesopen.com>
3483 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3484 ~(T1)X, when T1 and T2 are integer types of the same precision
3485 and (T2)X isn't an extension.
3487 2006-03-28 Jeff Law <law@redhat.com>
3489 PR tree-optimization/26796
3490 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3491 need EH edge cleanups rather than purging them immediately.
3492 (eliminate_degenerate_phis): Handle queued EH cleanups.
3494 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3496 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3499 2006-03-27 Roger Sayle <roger@eyesopen.com>
3502 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3503 cast BIT_NOT_EXPR operand to the correct type.
3505 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3507 * tree-loop-linear.c: Don't include varray.h.
3508 (gather_interchange_stats, try_interchange_loops,
3509 linear_transform_loops): Use VEC instead of VARRAY.
3510 * lambda-mat.c: Don't include varray.h.
3511 * tree-chrec.c: Same.
3512 * lambda-trans.c: Same.
3513 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3514 VEC instead of VARRAY.
3515 * tree-vectorizer.h: Idem.
3516 * tree-data-ref.c (dump_data_references,
3517 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3518 initialize_data_dependence_relation, finalize_ddr_dependent,
3519 compute_all_dependences, find_data_references_in_loop,
3520 compute_data_dependences_for_loop, analyze_all_data_dependences,
3521 free_dependence_relation, free_dependence_relations,
3522 free_data_refs): Idem.
3523 * tree-data-ref.h (data_reference_p, subscript_p): New.
3524 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3525 VEC instead of VARRAY.
3526 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3527 (find_data_references_in_loop, compute_data_dependences_for_loop,
3528 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3529 dump_data_dependence_relations, free_dependence_relations,
3530 free_data_refs): Adjust declaration.
3531 (lambda_transform_legal_p): Move declaration here...
3532 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3533 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3534 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3535 vect_analyze_data_refs): Use VEC instead of VARRAY.
3536 * lambda.h (lambda_transform_legal_p): ...from here.
3537 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3538 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3539 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3540 tree-chrec.o): Don't depend on VARRAY_H.
3542 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3544 * rtl.def (Copyright): Update date.
3545 (DEPS_LIST): Change type of the second operand to 'int'.
3546 * target.h (Copyright): Update date.
3547 (struct gcc_target.speculate_insn): Change type of the second parameter
3549 * lists.c (Copyright): Update date.
3550 (alloc_DEPS_LIST): Change signature. Update reference to the second
3551 operand of the DEPS_LIST.
3552 (copy_DEPS_LIST_list): Update reference to the second operand of the
3554 * rtl.h (Copyright): Update date.
3555 (alloc_DEPS_LIST): Update signature.
3556 * sched-int.h (Copyright): Update date.
3557 (ds_t): Change typedef to 'int'.
3558 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3560 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3562 * haifa-sched.c (Copyright): Update date.
3563 (try_ready): Change condition to restore non-speculative pattern
3565 (process_insn_depend_be_in_spec): Code to keep probability of the
3566 speculative dependence non-decreasing.
3568 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3570 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3571 shut up the compiler.
3573 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3575 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3576 to use lib prefix for target.
3577 ($(T)libic_invalidate_array_4-200.a): Likewise.
3578 ($(T)libic_invalidate_array_4a.a): Likewise.
3580 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3581 J"orn Rennecke <joern.rennecke@st.com>
3583 * superh.opt: New file.
3584 * sh.c (boardtype, osruntime): Remove.
3585 * superh.h (SUBTARGET_OPTIONS): Remove.
3586 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3588 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3589 arguments with ^ and/or [].
3591 * config.gcc (sh-*-*): Add quoting to account for quirk of
3593 Replace == with = in enable_incomplete_targets test.
3595 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3596 with MASK_LITTLE_ENDIAN.
3598 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3599 * config/sh/sh.opt: Added to some comments.
3600 * config/sh/superh.h: Removed some chaff.
3602 * config/sh/sh.opt: Add m4-[1234]00* options.
3603 * config/sh/sh.c (sh_handle_option): Likewise.
3604 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3605 (ic_invalidate_array_4-100.o): New rule.
3606 ($(T)libic_invalidate_array_4-100.a): Likewise.
3607 (ic_invalidate_array_4-200.o): Likewise.
3608 ($(T)libic_invalidate_array_4-200.a): Likewise.
3609 (ic_invalidate_array_4a.o): Likewise.
3610 ($(T)libic_invalidate_array_4a.a): Likewise.
3611 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3612 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3614 * config/sh/crt1.asm: Merged in profiling code.
3615 * config/sh/superh.h (STARTFILE_SPEC): Override.
3616 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3617 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3618 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3620 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3621 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3622 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3624 * sh.opt (mpretend-cmove): New option.
3625 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3626 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3627 (movsicc): Add TARGET_PRETEND_CMOVE code.
3629 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3631 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3632 s390_class_max_nregs): New function prototypes.
3633 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3634 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3635 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3636 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3638 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3640 * dwarf2out.c (add_location_or_const_value_attribute): Call
3641 tree_add_const_value_attribute if nothing else works.
3642 (reference_to_unused): New.
3643 (rtl_for_decl_init): Use reference_to_unused to decide whether
3644 to output an initializer.
3646 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3649 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3650 peephole removing spe frob_di_df_2.
3652 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3654 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3655 (subscript_dependence_tester_1): Declared.
3656 (print_dir_vectors, print_dist_vectors): New.
3657 (debug_data_dependence_relation): New.
3658 (dump_data_dependence_relation): Print more details.
3659 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3660 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3661 (save_dist_v, save_dir_v, add_outer_distances,
3662 build_classic_dist_vector_1): New.
3663 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3664 Don't test for lambda_vector_lexico_pos.
3665 (same_access_functions, add_multivariate_self_dist,
3666 add_other_self_distances, dir_from_dist): New.
3667 (build_classic_dir_vector): Replace implementation almost identical to
3668 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3670 (subscript_dependence_tester_1): New.
3671 (subscript_dependence_tester): Handle the lexicographically negative
3672 distance vectors by recomputing the dependence relation.
3673 (compute_affine_dependence): Remove parameter loop_nest_depth.
3674 (compute_self_dependence): Don't call compute_subscript_distance.
3675 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3676 Add a parameter for the loop_nest.
3677 (find_loop_nest_1, find_loop_nest): New.
3678 (compute_data_dependences_for_loop): Compute the loop nest, and give
3679 up if the nest is not well formed.
3680 * tree-data-ref.h (loop_p): New.
3681 (struct data_dependence_relation): Replace size_vect field with
3682 loop_nest, a vec of loops.
3683 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3684 (DDR_LOOP_NEST): New.
3685 (print_dir_vectors, print_dist_vectors,
3686 debug_data_dependence_relation): Declared.
3687 (index_in_loop_nest): New.
3688 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3689 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3692 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3694 * simplify-rtx.c (simplify_relational_operation): Call
3695 simplify_relational_operation_1 even if mode is VOIDmode.
3697 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3699 PR tree-optimization/26804
3700 * tree.h (DECL_CALL_CLOBBERED): New macro.
3701 (tree_decl_common): Add call_clobbered_flag.
3702 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3703 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3704 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3705 (mark_non_addressable): Ditto.
3706 * tree-ssa.c (verify_call_clobbered): New function.
3707 (verify_alias_info): Use it.
3708 * tree-pass.h (pass_reset_cc_flags): New prototype.
3709 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3710 (reset_cc_flags): New function.
3711 * passes.c (init_optimization_passes): Call reset_cc_flags after
3712 initializing referenced_vars.
3714 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3715 Roger Sayle <roger@eyesopen.com>
3718 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3719 to 1.0 for non-real operands. Implement A / A optimization for
3722 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3724 * config/i386/i386.c (size_cost): Correct the comment for
3725 cost of storing fp registers.
3726 (i386_cost): Likewise.
3727 (i486_cost): Likewise.
3728 (pentium_cost): Likewise.
3729 (pentiumpro_cost): Likewise.
3730 (k6_cost): Likewise.
3731 (athlon_cost): Likewise.
3732 (k8_cost): Likewise.
3733 (pentium4_cost): Likewise.
3734 (nocona_cost): Likewise.
3735 (generic64_cost): Likewise.
3736 (generic32_cost): Likewise.
3738 2006-03-24 Denis Chertykov <denisc@overta.ru>
3740 * config/avr/avr-protos.h (extra_constraint): Delete.
3741 (extra_constraint_Q): New declaration.
3742 * config/avr/constraints.md: New file.
3743 * config/avr/avr.md: Include it.
3744 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3745 (TMP_REGNO, ZERO_REGNO): Likewise.
3746 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3747 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3748 (extra_constraint): Delete.
3749 (extra_constraint_Q): Test for memory constraint 'Q'.
3750 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3751 (REG_CLASS_FROM_LETTER): Delete.
3752 (CONST_OK_FOR_LETTER_P): Delete.
3753 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3754 (EXTRA_CONSTRAINT): Delete.
3755 (TMP_REGNO): Delete.
3756 (ZERO_REGNO): Delete.
3758 2006-03-24 Jeff Law <law@redhat.com>
3760 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3761 directly. Call mark_new_vars_to_rename slightly earlier.
3763 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3765 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3767 (gen_compile_unit_die): Use new language types for Objective-C and
3769 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3770 DW_LANG_C_plus_plus.
3773 * config/t-darwin (crt3.o): Work around bug 26840.
3774 * config/darwin-crt3.c: Rewrite.
3775 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3777 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3779 * doc/invoke.texi: Document -femit-class-debug-always
3780 * common.opt: Add -femit-class-debug-always.
3782 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3784 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3785 index and base register.
3786 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3787 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3788 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3789 REGNO_OK_FOR_INDEX_P.
3790 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3792 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3793 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3794 REG_OK_FOR_BASE_P): Definitions removed.
3796 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3799 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3800 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3801 set yet or weren't marked as local yet.
3803 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3805 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3808 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3810 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3811 (rs6000_legitimate_small_data_p): Delete.
3812 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3813 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3814 and make static. Add forward declaration. Update uses.
3815 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3816 of offsettable_memref_p.
3817 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3818 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3820 2006-03-24 Jeff Law <law@redhat.com>
3822 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3823 around bug in immediate-use iterator.
3825 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3828 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3829 or __LITTLE_ENDIAN__.
3831 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3833 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3834 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3835 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3836 * config/sh/sh.opt (mdiv=): Amend description.
3837 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3838 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3839 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3840 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3841 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3842 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3843 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3844 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3845 TARGET_DIVIDE_CALL_FP.
3847 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3849 * haifa-sched.c (choose_ready): Fix type of the local variable.
3850 Move local variables. Add comment.
3851 (check_reg_live): Change signature. Make callable from debugger.
3852 * sched-int.h (check_reg_live): Update signature.
3853 * sched-ebb.c (check_reg_live): Update parameters.
3854 * sched-rgn.c (check_reg_live): Ditto.
3855 (region_head_or_leaf_p): Check pointer before dereferencing.
3856 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3857 before reload on optimization levels below 1.
3859 2006-03-23 Richard Henderson <rth@redhat.com>
3861 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3865 * config/alpha/predicates.md (local_symbolic_operand): Reject
3868 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3871 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3872 expressions which have overflowed constants.
3874 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3876 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3878 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3880 * cfgloopmanip.c (create_loop_notes): Removed.
3881 * final.c (final_scan_insn): Do not handle loop notes.
3882 * jump.c (squeeze_notes): Ditto.
3883 * cfglayout.c (skip_insns_after_block,
3884 duplicate_insn_chain): Ditto.
3885 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3887 * cfgloop.h (create_loop_notes): Declaration removed.
3889 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3891 * varasm.c (output_constant_pool): Restore fnname and fndecl
3893 (assemble_start_function): Adjust call accordingly.
3894 (assemble_end_function): Likewise.
3896 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3899 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3902 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3904 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3907 * system.h (ICE_EXIT_CODE): New macro.
3908 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3909 (diagnostic_action_after_output): Likewise.
3910 * gcc.c (fatal_ice): New function.
3911 (execute): Use it instead of fatal.
3912 (fancy_abort): Likewise.
3913 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3915 2006-03-22 Jeff Law <law@redhat.com>
3917 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3918 iv_analyze_result returning false.
3920 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3922 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3924 2006-03-22 Richard Henderson <rth@redhat.com>
3927 * except.c (duplicate_eh_regions_0): New.
3928 (duplicate_eh_region_1): Duplicate the children of the node as
3929 well as the node itself. Link them up properly.
3930 (duplicate_eh_region_2): Merge into ...
3931 (duplicate_eh_regions): ... here. Take copy_region argument, and
3932 copy only a sub-tree if asked. Simplify copying and fixup.
3933 (eh_region_outer_p): New.
3934 * except.h (duplicate_eh_regions): Update decl.
3935 (eh_region_outer_p): Declare.
3936 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3937 (lower_omp_master): Likewise.
3938 (lower_omp_ordered): Likewise.
3939 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3940 (move_stmt_r): Use it to remap labels. Handle recursion vs
3941 remap_decls_p properly.
3942 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3943 (find_outermost_region_in_block): New.
3944 (new_label_mapper): New.
3945 (move_sese_region_to_fn): Copy eh information to the new function
3947 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3949 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3952 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3954 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3955 into shared libraries.
3957 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3959 * doc/md.texi: Refer to i386/constraints.md instead of
3961 * config/i386/constraints.md: New file, extracted from...
3962 * config/i386/predicates.md: ...here.
3963 * config/i386/i386.md: Include constraints.md.
3965 2006-03-21 Jason Merrill <jason@redhat.com>
3967 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3970 * expr.c (init_block_move_fn): Force default visibility.
3971 (init_block_clear_fn): Likewise.
3972 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3973 * targhooks.c (default_external_stack_protect_fail): Likewise.
3975 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3977 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3978 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3979 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3980 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3981 (loadgp): Use mips_current_loadgp_style.
3982 (loadgp_noshared): New pattern.
3983 (sibcall_internal): Use MIPS_CALL.
3984 (sibcall_value_internal): Likewise.
3985 (sibcall_value_multiple_internal): Likewise.
3986 (call_internal): Likewise.
3987 (call_value_internal): Likewise.
3988 (call_value_multiple_internal): Likewise.
3989 (call_split): Use MIPS_CALL and add an 'S' constraint.
3990 (call_value_split): Likewise.
3991 (call_value_multiple_split): Likewise.
3992 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3993 (-mshared): New option.
3994 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3995 (mips_current_loadgp_style): Declare.
3996 * config/mips/mips.c (mips_classify_symbol): Avoid using
3997 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3998 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3999 TARGET_ABSOLUTE_ABICALLS.
4000 (override_options): Adjust comments. Improve the warning that is
4001 issued when -mabicalls and -G are used together.
4002 (mips_file_start): Remove comment.
4003 (mips_current_loadgp_style): New function.
4004 (mips_gnu_local_gp): New variable.
4005 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4007 (mips_output_function_prologue): Use mips_current_laodgp_style.
4008 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4009 the cprestore instruction.
4010 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4011 live for TARGET_ABSOLUTE_ABICALLS.
4012 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4013 (ASM_SPEC): Pass down -mshared and -mno-shared.
4014 (MIPS_CALL): New macro.
4015 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4017 * doc/invoke.texi (-mabicalls): Update documentation.
4018 (-mshared): Document.
4020 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4022 * config/ia64/unwind-hpux.c: New file.
4023 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4025 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4028 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4030 2006-03-21 Jeff Law <law@redhat.com>
4032 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4033 type conversions of a VR_VARYING source to a wider type.
4035 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4037 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4038 tm_file on Solaris 10 and later.
4039 (sparc64-*-solaris2*): Likewise.
4040 (sparc-*-solaris2*): Likewise.
4041 * config/sol26.h: Rename to config/sol2-6.h.
4042 * config/sol2-10.h: New file.
4044 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4047 * tree-ssa-pre.c (create_component_ref_by_pieces):
4050 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4053 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4054 return it immediately.
4056 2006-03-21 Michael Matz <matz@suse.de>
4058 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4060 (remove_arc, add_arc): Update num_out_arcs member.
4061 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4063 (cache_presence): New function.
4064 (compare_states_for_equiv): New function.
4065 (state_is_differed): Don't take number of outargs, adjust callers.
4066 Use new invariant for speeding up.
4067 (init_equiv_class): Create initial classes based on sorted
4069 (partition_equiv_class): Don't track out_arcs_num.
4070 (evaluate_equiv_classes): Call cache_presence on all states and
4073 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4075 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4076 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4077 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4078 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4080 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4081 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4082 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4083 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4084 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4086 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4087 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4088 (REGNO_REG_CLASS): ARGP is in PREGS.
4089 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4091 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4092 to deal with those addresses.
4093 * addresses.h: New file.
4094 * caller-save.c: Include "addresses.h".
4095 (init_caller_save): Use new base_reg_class function.
4096 * rtl-factoring.c: Include "addresses.h".
4097 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4098 * recog.c: Include "addresses.h".
4099 (preprocess_constraints): Use new base_reg_class function.
4100 * regrename.c: Include "addresses.h".
4101 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4102 functions. Keep track of a new var INDEX_CODE to compute valid
4104 (replace_oldest_value_addr): Likewise.
4105 (replace_oldest_value_mem): Use base_reg_class.
4106 * reload.c: Include "addresses.h".
4107 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4108 (find_reloads): Use new base_reg_class function.
4109 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4110 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4111 all callers and prototype changed.
4112 * reload1.c: Include "addresses.h".
4113 (maybe_fix_stack_asms): Use base_reg_class.
4114 * regclass.c: Include "addresses.h".
4115 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4116 (init_reg_autoinc): Use new base_reg_class function.
4117 (record_reg_classes): Likewise.
4118 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4119 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4120 Use new args to compute necessary class.
4122 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4123 regrename.o, rtl-factoring.o): Update dependencies.
4124 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4125 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4126 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4127 REG_OK_FOR_INDEX_P): Delete documentation.
4129 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4131 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4132 from V7 to V9 for Solaris 7 and above.
4134 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4136 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4137 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4138 argument pointers may not alias any other storage.
4139 * common.opt: Define option -fargument-noalias-anything.
4140 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4141 alias semantics is specified by flag_argument_noalias > 2.
4143 2006-03-20 Jeff Law <law@redhat.com>
4145 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4146 (pass_phi_only_cprop): Declare.
4147 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4149 * tree-ssa-dom.c (degenerate_phi_result): New function.
4150 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4151 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4152 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4153 (eliminate_degenerate_phis): Likewise.
4154 (pass_phi_only_cprop): New pass descriptor.
4155 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4156 support code. Callers updated.
4157 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4158 (store_copy_prop): Likewise.
4159 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4161 2006-03-20 Jason Merrill <jason@redhat.com>
4164 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4165 (push_visibility, pop_visibility): Likewise.
4166 * c-pragma.h: Declare them.
4168 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4170 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4172 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4173 parameter and use get_ebb_head_tail.
4174 (sh_md_init_global): Adjust uses of find_regmode_weight.
4176 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4178 * function.h (struct function) <x_tail_recursion_reentry>:
4179 Rename to x_stack_check_probe_note.
4180 (tail_recursion_reentry): Rename to stack_check_probe_note.
4181 * function.c: Replace tail_recursion_reentry with
4182 stack_check_probe_note everywhere.
4183 (expand_function_start): Only emit a note for
4184 stack_check_probe_note with -fstack-protect.
4185 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4187 * emit-rtl.c (remove_unnecessary_notes): Remove.
4188 (pass_remove_unnecessary_notes): Remove.
4189 * rtl.h (remove_unnecessary_notes): Remove prototype.
4190 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4191 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4192 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4194 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4197 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4198 (valid_in_set): Handle ARRAY_REF.
4199 Change "if min_variant or VH" to asserts.
4200 (create_component_ref_by_pieces): Handle ARRAY_REF.
4201 (create_expression_by_pieces): Likewise.
4202 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4204 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4206 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4207 is operand of switch, not str[0].
4209 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4211 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4212 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4214 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4216 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4217 end of insn_extra_address_constraint declaration.
4219 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4221 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4222 (no-sum-in-toc): Same.
4223 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4225 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4226 NO_FP_IN_TOC for -fPIC instead of mask.
4228 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4229 (BOOT_LDFLAGS): Delete.
4231 * config/rs6000/t-aix52: Same.
4233 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4234 (stmsi[345678]_power): New.
4236 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4238 * config/ia64/ia64.opt: Add empty line to end of file.
4240 2006-03-17 Richard Guenther <rguenther@suse.de>
4243 * builtins.c (get_pointer_alignment): For component style references
4244 adjust alignment to the component type alignment. Make sure
4245 to adjust alignment for component access of constants.
4247 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4249 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4252 2006-03-17 Paul Brook <paul@codesourcery.com>
4254 * doc/install.texi: Docuemnt --with-mode.
4255 * config.gcc: Add --with-mode for arm*-*-*.
4256 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4258 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4260 * sh.c (max_labelno_before_reorg): New variable.
4261 (sh_reorg): Initialize it.
4262 (find_barrier): Check max_labelno_before_reorg before using
4263 label_to_alignment. Take length of explicit alignment insns
4264 into account. When seeing a UNSPECV_CONST_END, return it.
4266 * sh.c (fixup_mova): Set mode of affected label to QImode.
4267 (untangle_mova): New function.
4268 (find_barrier): Use it. Check mode of label before decrementing
4270 (sh_reorg): Likewise.
4271 Set mode of all insns back to VOIDmode.
4273 * sh.c (MOVA_LABELREF): New macro.
4274 (mova_p, fixup_mova, sh_reorg): Use it.
4275 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4276 ADDR_DIFF_VEC matches mova.
4278 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4280 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4281 with ATTRIBUTE_UNUSED.
4283 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4285 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4286 pointer, instead of assuming it is possible to derive the
4287 correct args size from a call insn.
4289 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4291 * rtl.h (CONST_INT_P): Define.
4292 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4293 instead of GET_CODE(x) == CONST_INT.
4294 (vax_rtx_costs): Likewise.
4295 (vax_output_int_move): Likewise.
4296 (vax_output_int_add): Likewise.
4297 (legitimate_constant_address_p): Likewise.
4298 (index_term_p): Likewise.
4299 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4300 * config/vax/vax.md (and<mode>3): Likewise.
4301 (ashrsi3): Likewise.
4303 (movstricthi): Likewise.
4304 (movstrictqi): Likewise.
4305 (rotrsi3): Likewise.
4306 (five unnamed insns): Likewise.
4308 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4310 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4311 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4312 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4313 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4314 Pass to ASM_OUTPUT_DWARF_OFFSET.
4315 * dwarf2out.c (debug_frame_section): New.
4316 (output_call_frame_info): Use debug_frame_section. Pass it to
4317 dw2_asm_output_offset.
4318 (output_die): Pass appropriate section to dw2_asm_output_offset.
4319 (output_compilation_unit_header): Likewise.
4320 (output_pubnames): Likewise.
4321 (output_aranges): Likewise.
4322 (enum dw_val_class): Break dw_val_class_lbl_offset into
4323 dw_val_class_lineptr and dw_val_class_macptr.
4324 (add_AT_lbl_offset): Delete.
4325 (add_AT_lineptr): New.
4326 (add_AT_macptr): New.
4327 (AT_lbl): Expect a lineptr or macptr.
4328 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4329 (attr_checksum): Likewise.
4330 (same_dw_val_p): Likewise.
4331 (size_of_die): Likewise.
4332 (value_format): Likewise.
4333 (output_die): Likewise.
4334 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4336 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4337 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4338 * config/darwin-protos.h (darwin_file_start): New.
4339 (darwin_asm_output_dwarf_offset): New.
4340 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4341 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4343 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4344 if not EH section; simplify.
4345 (darwin_file_start): New.
4346 (darwin_asm_output_dwarf_offset): New.
4347 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4349 (DEBUG_INFO_SECTION): Likewise.
4350 (DEBUG_ABBREV_SECTION): Likewise.
4351 (DEBUG_ARANGES_SECTION): Likewise.
4352 (DEBUG_MACINFO_SECTION): Likewise.
4353 (DEBUG_LINE_SECTION): Likewise.
4354 (DEBUG_LOC_SECTION): Likewise.
4355 (DEBUG_PUBNAMES_SECTION): Likewise.
4356 (DEBUG_STR_SECTION): Likewise.
4357 (DEBUG_RANGES_SECTION): Likewise.
4358 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4359 (ASM_OUTPUT_DWARF_OFFSET): New.
4361 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4363 * config.gcc (tm_defines): Always add to previous value rather
4366 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4368 * config/mips/predicates.md (splittable_const_int_operand): New,
4369 split from move_operand.
4370 (splittable_symbolic_operand): New.
4371 (move_operand): Add commentary. Use splittable_const_int_operand.
4372 Inline mips_atomic_symbolic_constant_p.
4373 * config/mips/mips.md: Add combine splitters for handling moves
4374 of splittable_const_int_operands and splittable_symbolic_operands.
4375 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4376 (mips_split_symbol): Declare.
4377 (mips_move_integer): Declare.
4378 * config/mips/mips.c (mips_split_p): Make global.
4379 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4380 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4381 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4382 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4383 (mips_offset_within_object_p): Handle block symbols.
4384 (mips_atomic_symbolic_constant_p): Delete.
4385 (mips_cannot_force_const_mem): Return false for constants that
4386 mips_legitimize_move can handle.
4387 (mips_use_blocks_for_constant_p): New function.
4388 (mips_split_symbol): Make global.
4389 (mips_move_integer): Likewise. Add a temporary register argument.
4390 (mips_legitimize_const_move): Use splittable_const_int_operand and
4391 splittable_symbolic_operand.
4392 (mips_use_anchors_for_symbol_p): New function.
4393 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4394 (mips_split_p): Declare.
4396 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4398 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4399 (mips*-*-linux*): Likewise.
4401 2006-03-16 Roger Sayle <roger@eyesopen.com>
4402 Daniel Speyer <dspeyer@wam.umd.edu>
4405 * tree-dump.c (dump_real): New function.
4406 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4407 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4408 (tree-dump.o): Add $(REAL_H) to the dependencies.
4410 2006-03-16 Roger Sayle <roger@eyesopen.com>
4413 * real.c (real_from_string): If the mantissa is zero, don't bother
4414 parsing the exponent as the result should always be zero.
4416 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4418 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4420 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4422 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4423 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4424 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4425 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4426 ia64_sched_finish_global): New static functions to implement
4427 hooks from gcc_target.sched.
4428 (spec_check_no, max_uid, pending_data_specs): New static variables.
4429 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4430 ia64_spec_check_src_p): New static functions.
4431 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4432 (TARGET_SCHED_ADJUST_COST): Removed.
4433 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4434 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4435 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4436 TARGET_SCHED_GEN_CHECK,
4437 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4438 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4439 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4440 Fixed to handle speculation checks.
4441 (rtx_needs_barrier): Fixed to handle speculative loads and
4443 (ia64_variable_issue): Added code to count speculative loads and their
4445 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4447 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4449 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4451 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4452 (ia64_reorg): Reset stops_p to NULL after it is freed.
4453 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4454 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4455 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4457 (data_speculative, control_speculative, check_load): New attributes.
4458 (mov<mode>_advanced, mov<mode>_speculative,
4459 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4460 zero_extend<mode>di2_speculative,
4461 zero_extend<mode>di2_speculative_advanced): New patterns for
4462 data and control speculative loads.
4463 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4465 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4466 New pattern for data and control speculation checks.
4467 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4468 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4469 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4470 Auxiliary definitions for the patterns.
4471 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4472 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4474 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4476 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4477 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4478 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4479 New resource constraints.
4480 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4482 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4483 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4484 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4485 msched-in-control-spec, msched-ldc, msched-control-ldc,
4486 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4487 msched-prefer-non-control-spec-insns,
4488 msched-count-spec-in-critical-path): New flags to tune speculative
4490 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4491 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4492 msched-in-control-spec, msched-ldc, msched-control-ldc,
4493 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4494 msched-prefer-non-control-spec-insns,
4495 msched-count-spec-in-critical-path): Document new flags.
4497 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4499 * target.h (struct spec_info_def): New opaque declaration.
4500 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4501 speculate_insn, needs_block_p, gen_check,
4502 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4503 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4504 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4505 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4506 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4507 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4509 (TARGET_SCHED): Use new macros.
4510 * rtl.h (copy_DEPS_LIST_list): New prototype.
4511 * sched-int.h (struct sched_info): Change signature of new_ready field,
4512 adjust all initializations. New fields: add_remove_insn,
4513 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4514 region_head_or_leaf_p.
4515 (struct spec_info_def): New structure declaration.
4516 (spec_info_t): New typedef.
4517 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4518 recovery_block, orig_pat.
4519 (glat_start, glat_end): New variables declaraions.
4520 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4522 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4523 DETACH_LIFE_INFO, USE_GLAT.
4524 (enum SPEC_SCHED_FLAGS): New enumeration.
4525 (NOTE_NOTE_BB_P): New macro.
4526 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4527 attach_life_info, debug_spec_status, check_reg_live): New functions.
4528 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4529 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4531 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4532 * ddg.c (get_block_head_tail): Adjust all uses.
4533 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4534 (sms_sched_info): Initialize new fields.
4535 (contributes_to_priority): Removed.
4536 * haifa-sched.c (params.h): New include.
4537 (get_block_head_tail): Adjust all uses.
4538 (ISSUE_POINTS): New macro.
4539 (glat_start, glat_end): New global variables.
4540 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4541 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4542 old_last_basic_block, before_recovery, current_sched_info_var,
4543 rgn_n_insns, luid): New static variables.
4544 (insn_cost1): New function. Move logic from insn_cost to here.
4545 (find_insn_reg_weight1): New function. Move logic from
4546 find_insn_reg_weight to here.
4547 (reemit_notes, move_insn, max_issue): Change signature.
4548 (move_insn1): Removed.
4549 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4550 extend_bb): New static functions to support extension of scheduler's
4552 (generate_recovery_code, process_insn_depend_be_in_spec,
4553 begin_speculative_block, add_to_speculative_block,
4554 init_before_recovery, create_recovery_block, create_check_block_twin,
4555 fix_recovery_deps): New static functions to support
4556 generation of recovery code.
4557 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4558 restore_bb_notes, move_block_after_check, move_succs): New static
4559 functions to support ebb scheduling.
4560 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4561 functions to support handling of register live information.
4562 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4563 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4564 add_jump_dependencies): New static functions.
4565 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4566 consistancy checking.
4567 (debug_spec_status): New function to call from debugger.
4568 (priority): Added code to handle speculation checks.
4569 (rank_for_schedule): Added code to distinguish speculative instructions.
4570 (schedule_insn): Added code to handle speculation checks.
4571 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4572 Fixed to handle ebbs.
4573 (move_insn): Added code to handle ebb scheduling.
4574 (max_issue): Added code to use ISSUE_POINTS of instructions.
4575 (choose_ready): Added code to choose between speculative and
4576 non-speculative instructions.
4577 (schedule_block): Added code to handle ebb scheduling and scheduling of
4578 speculative instructions.
4579 (sched_init): Initialize new variables.
4580 (sched_finish): Free new variables. Print statistics.
4581 (try_ready): Added code to handle speculative instructions.
4582 * lists.c (copy_DEPS_LIST_list): New function.
4583 * sched-deps.c (extend_dependency_caches): New function. Move logic
4584 from create_dependency_caches to here.
4585 (get_dep_weak, ds_merge): Make global.
4586 * genattr.c (main): Code to output prototype for
4587 dfa_clear_single_insn_cache.
4588 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4589 (output_dfa_clean_insn_cache_func): Code to output
4590 dfa_clear_single_insn_cache function.
4591 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4593 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4595 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4596 New static variables.
4597 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4598 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4600 (ebb_sched_info): Initialize new fields.
4601 (get_block_head_tail): Adjust all uses.
4602 (compute_jump_reg_dependencies): Fixed to use glat_start.
4603 (schedule_ebb): Code to remove unreachable last block.
4604 (schedule_ebbs): Added code to update register live information.
4605 * sched-rgn.c (region_sched_info): Initialize new fields.
4606 (get_block_head_tail): Adjust all uses.
4607 (last_was_jump): Removed. Adjust users.
4608 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4609 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4610 Implement new hooks.
4611 (check_dead_notes1): New static function.
4612 (struct region): New fields: dont_calc_deps, has_real_ebb.
4613 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4614 (BB_TO_BLOCK): Fixed to handle EBBs.
4615 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4616 (ebb_head): New static variable.
4617 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4618 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4620 (compute_dom_prob_ps): New assertion.
4621 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4622 global_live_at_start.
4623 (init_ready_list): New assertions.
4624 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4625 (new_ready): Add support for BEGIN_CONTROL speculation.
4626 (schedule_insns): Fixed code that updates register live information
4628 (schedule_region): Fixed to handle EBBs.
4629 (init_regions): Use extend_regions and check_dead_notes1.
4630 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4631 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4632 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4633 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4634 TARGET_SCHED_GEN_CHECK,
4635 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4636 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4637 * doc/invoke.texi (max-sched-insn-conflict-delay,
4638 sched-spec-prob-cutoff): Document.
4640 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4642 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4643 inter_tick, queue_index.
4644 (struct sched_info): Change signature of init_ready_list field.
4645 Adjust all initializations.
4646 (RESOLVED_DEPS): New access macro.
4647 (ready_add): Remove prototype.
4648 (try_ready): Add prototype.
4649 * sched-rgn.c (init_ready_list): Use try_ready.
4650 (schedule_region): Initialize
4651 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4652 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4653 (init_ready_list): Use try_ready.
4654 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4655 * lists.c (remove_list_elem): Remove `static'.
4656 (remove_free_INSN_LIST_elem): New function.
4657 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4658 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4659 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4661 (readyp): New variable.
4662 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4663 change_queue_index, resolve_dep): New static functions.
4664 (try_ready): New function. Adjust callers in sched-rgn.c and
4665 sched-ebb.c to use it instead of ready_add.
4666 (clock_var): Move at the begining of file.
4667 (rank_for_schedule): Fix typo.
4668 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4669 (ready_lastpos): Enforce assertion.
4670 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4672 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4673 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4674 (queue_to_ready): Use free_INSN_LIST_list.
4675 (early_queue_to_ready): Fix typo.
4676 (schedule_block): Init readyp. Move init_ready_list call after the
4677 initialization of clock_var. Fix error in rejecting insn by
4678 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4679 that previously corrected INSN_TICKs. Add code for handling
4681 (set_priorities): Fix typo.
4682 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4683 Clarify comment and code that keeps current_sched_info->next_tail
4686 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4688 * sched-rgn.c (extend_rgns): New static function.
4689 (find_rgns): Use it.
4690 (gather_region_statistics, print_region_statistics): New static
4692 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4693 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4695 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4696 Andrey Belevantsev <abel@ispras.ru>
4698 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4699 * lists.c (unused_deps_list): New variable.
4700 (free_list): Add assertions to verify the proper distinguishing
4701 between INSN_LISTs and DEPS_LISTs.
4702 (find_list_elem, remove_list_elem, remove_list_node): New static
4704 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4705 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4706 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4707 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4709 (free_INSN_LIST_node): Likewise.
4710 * modulo-sched.c (current_sched_info): Initialize flags field.
4711 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4712 * rtl.def (DEPS_LIST): Define.
4713 * rtl.h: Declare new functions from lists.c.
4714 * sched-deps.c (spec_dependency_cache): New static variable.
4715 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4716 (add_dependence): Change return type to void. Move the logic to ...
4717 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4718 (delete_all_dependences): Add comment about forward_dependency_cache.
4719 Handle spec_dependency_cache. Handle DEPS_LISTs.
4720 (fixup_sched_groups): Clarify the change of priority of output
4721 and anti dependencies.
4722 (sched_analyze_2): Adjust add_dependence calls to create data
4723 speculative dependence.
4724 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4725 Adjust all callers. Handle DEPS_LISTS.
4726 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4727 presence of speculation.
4728 (init_dependency_caches, free_dependency_caches):
4729 Handle spec_dependency_cache.
4730 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4731 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4732 New static functions.
4733 (add_or_update_back_dep, add_or_update_back_forw_dep,
4734 add_back_forw_dep, delete_back_forw_dep): New functions.
4735 * sched-int.h (ds_t, dw_t): New typedefs.
4736 (struct sched_info): Add new field flags.
4737 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4738 Prototype new sched-deps.c functions.
4739 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4740 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4741 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4742 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4743 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4744 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4746 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4748 * sched-rgn.c (current_sched_info): Initialize flags field.
4749 (schedule_insns): Initialize current_sched_info before the sched_init
4751 * sched-ebb.c (current_sched_info): Initialize flags field.
4752 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4753 Call add_or_update_back_dep instead of add_dependence.
4754 Create control speculative dependencies.
4755 (schedule_insns): Initialize current_sched_info before the sched_init
4758 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4760 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4762 (sh_fallback_frame_state): Likewise.
4764 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4766 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4767 Do switch on default_use_cxa_atexit.
4768 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4769 * config/darwin-crt3.o: New.
4770 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4771 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4772 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4774 * config/rs6000/t-darwin: Move crt2.o building to here.
4775 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4776 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4779 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4781 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4782 from '! xxx' to '!xxx' for coding-style conformance.
4783 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4784 (EXTRA_CONSTRAINT): Likewise.
4785 * config/vax/vax.md (four unnamed insns): Likewise.
4787 2006-03-15 Paul Brook <paul@codesourcery.com>
4789 * config/arm/arm.c (minipool_pad): New.
4790 (add_minipool_forward_ref): Include pool alignment padding in address
4792 (push_minipool_fix): Set minipool_pad.
4793 (minipool_pad): Ditto.
4795 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4797 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4798 instead of GET_CODE() == MEM and REG_P() instead of
4800 (print_operand_address): Likewise.
4801 (vax_address_cost): Likewise.
4802 (vax_rtx_costs): Likewise.
4803 (vax_notice_update_cc): Likewise.
4804 (vax_output_int_add): Likewise.
4805 (INDEX_REGISTER_P): Likewise.
4806 (BASE_REGISTER_P): Likewise.
4807 (nonindexed_address_p): Likewise.
4808 (vax_mode_dependent_address_p): Likewise.
4809 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4810 (PRINT_OPERAND): Likewise.
4811 * config/vax/vax.md (ashlsi3): Likewise.
4812 (ashlsi3): Likewise.
4813 (some more unnamed insns): Likewise.
4815 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4817 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4818 iterator-style macro.
4819 (mark_control_dependent_edges_necessary): Update the use of
4820 EXECUTE_IF_CONTROL_DEPENDENT.
4822 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4824 * config/sh/predicates.md (cache_address_operand): Special.
4825 (ua_address_operand): Likewise.
4827 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4829 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4831 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4833 2006-03-15 Andreas Schwab <schwab@suse.de>
4835 * gensupport.c (identify_predicable_attribute): Don't free p_false
4836 when it is still in use.
4838 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4840 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4841 the default setting here.
4843 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4845 * tree-pass.h (pass_cfg): Remove.
4846 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4847 * passes.c (pass_cfg): Don't run it.
4849 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4851 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4852 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4854 (stack_regs_mentioned): Update the uses of
4855 stack_regs_mentioned_data. Don't access the array beyond its
4857 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4858 Don't include gt-reg-stack.h.
4860 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4861 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4863 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4866 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4869 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4871 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4873 2006-03-14 Richard Guenther <rguenther@suse.de>
4875 PR tree-optimization/26672
4876 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4879 2006-03-14 Richard Guenther <rguenther@suse.de>
4881 PR tree-optimization/26667
4882 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4883 node for the callees. Always allow inlining if it will shrink
4886 2006-03-14 Richard Guenther <rguenther@suse.de>
4889 * builtins.c (get_pointer_alignment): Prefer alignment
4890 information from decls over that from types.
4892 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4895 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4897 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4899 * config/rs6000/rs6000.opt (mdlmzb): New option.
4900 (msched-prolog, msched-epilog): Use Var not Mask.
4901 * doc/invoke.texi (-mdlmzb): Document.
4902 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4904 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4905 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4907 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4909 PR rtl-optimization/25739
4910 * bt-load.c (augment_live_range): Free tos pointer.
4912 * gensupport.c (identify_predicable_attribute): Free
4914 * gcov.c (create_file_names): Free name pointer.
4916 2006-03-13 Roger Sayle <roger@eyesopen.com>
4919 * stmt.c (emit_case_nodes): Handle the case where the index is a
4920 CONST_INT, where the comparison mode is specified by the index type.
4922 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4924 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4927 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4929 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4930 (*branch_fp_inverted): Likewise.
4932 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4935 * omp-low.c (expand_omp_for_generic): Mark istart0
4936 and iend0 as addressable.
4938 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4940 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4942 2006-03-13 Jeff Law <law@redhat.com>
4944 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4945 virtual operands are interesting.
4946 (vrp_visit_stmt): Corresponding changes.
4948 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4950 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4952 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4953 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4954 * config/bfin/crti.S: Use it instead of __PIC__.
4955 * config/bfin/crtn.S: Likewise.
4957 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4958 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4960 Lose 'G' modifier for call operand.
4961 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4962 recognize 'G' modifier.
4964 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4967 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4968 * stmt.c (expand_case): Likewise.
4970 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4972 PR rtl-optimization/26254
4973 * loop-invariant.c (seq_insns_valid_p): New function.
4974 (move_invariant_reg): Only emit new code if it is valid.
4976 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4978 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4980 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4981 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4982 (commit_one_edge_insertion): Do not look for loop notes.
4984 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4986 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4987 flag_test_coverage out of loop.
4989 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4991 * final.c (shorten_branches): Remove outdated comment, and turn
4992 the if branch that guards it to continue.
4994 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4996 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4997 * cfgloop.h (struct loop): Remove unused fields.
4999 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5001 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5002 (-dL, -fdump-rtl-loop2): Update the dump file names
5004 * doc/invoke.texi: Update dump file names.
5006 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5008 * predict.c (estimate_probability): Remove.
5009 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5010 * basic-block.h (estimate_probability): Remove prototype.
5011 * passes.c (finish_optimization_passes): Dump branch prediction or
5012 profiling heuristics to the .profile tree dump.
5013 (init_optimization_passes): Unqueue pass_branch_prob.
5015 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5017 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5019 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5020 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5022 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5024 * function.h (frame_offset_overflow): Declare.
5025 * function.c (frame_offset_overflow): New function.
5026 (assign_stack_local_1): Call it to detect that the offset overflows.
5027 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5029 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5031 * config/sh/sh.c: Include alloc-pool.h.
5032 (label_ref_list_pool): New alloc pool.
5033 (label_ref_list_t): New type for lists of labels.
5034 (struct pool_node): Make wend a label_ref_list_t.
5035 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5037 (dump_table): Likewise.
5038 (sh_reorg): Set up the alloc pool before using add_constant and
5039 dump_table, and destroy it when finishing.
5041 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5043 * config/mips/mips.c: Remove redundant comment.
5045 2006-03-10 Jason Merrill <jason@redhat.com>
5048 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5049 the target was declared 'register'.
5051 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5053 * genpreds.c (write_insn_constraint_len): Change definition of
5054 insn_constraint_len to return size_t to match the declaration.
5056 2006-03-10 DJ Delorie <dj@redhat.com>
5058 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5060 (m32c_expand_insv): Fix test for an AND mask.
5062 2006-03-10 Richard Guenther <rguenther@suse.de>
5065 * builtins.c (get_pointer_alignment): Handle component
5066 references for field alignment.
5068 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5070 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5071 when building with libgloss.
5072 (sh*elf): Implement --without-fp option.
5073 (sh64-superh-linux*): Don't multilib.
5075 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5077 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5079 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5081 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5082 Set it when one of the replacement functions returned true.
5083 Return TODO_cleanup_cfg if cfgchanged is true.
5084 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5086 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5088 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5089 instead of gen_lowpart.
5091 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5093 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5095 (mips_output_order_conditional_branch): Declare.
5096 * config/mips/mips.h (MIPS_BRANCH): New macro.
5097 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5098 for the comparison. Use gen_condjump.
5099 (mips_output_conditional_branch): Rework interface to take the
5100 asm templates for a direct branch and the inverse of a direct branch.
5101 (mips_output_order_conditional_branch): New function.
5102 (mips_builtin_branch_and_move): New function.
5103 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5104 branch condition. Use gen_single_cc as the condition for
5105 __builtin_mips_upper_* or __builtin_mips_lower_*.
5106 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5107 Use VOIDmode for the branch condition.
5108 * config/mips/predicates.md (order_operator): New predicate.
5109 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5110 (branch_fp): Rename to...
5111 (*branch_fp): ...this. Remove mode from comparison operator.
5112 Use new mips_output_conditional_branch interface.
5113 (branch_fp_inverted): Rename to...
5114 (*branch_fp_inverted): ...this and update as for *branch_fp.
5115 (*branch_zero<mode>): Rename to...
5116 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5117 Use mips_output_order_conditional_branch. Only accept ordered
5119 (*branch_zero<mode>_inverted): Rename to...
5120 (*branch_order<mode>_inverted): ...this and update as for
5121 *branch_order<mode>.
5122 (*branch_equality<mode>): Accept zero as the second operand to
5123 the equality operator. Use the new mips_output_conditional_branch
5125 (*branch_equality<mode>_inverted): Likewise.
5126 (condjump): New expander.
5127 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5129 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5130 (bc1any2t, bc1any2f): Likewise.
5131 (single_cc): New expander.
5132 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5134 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5136 * doc/md.texi: Update documentation of MIPS constraints.
5137 * config/mips/constraints.md: New file.
5138 * config/mips/mips.md: Include it.
5139 * config/mips/mips.c (mips_char_to_class): Delete.
5140 (override_options): Don't initialize mips_char_to_class.
5141 * config/mips/mips.h (mips_char_to_class): Delete.
5142 (REG_CLASS_FROM_LETTER): Delete.
5143 (CONST_OK_FOR_LETTER_P): Delete.
5144 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5145 (EXTRA_CONSTRAINT_Y): Delete.
5146 (EXTRA_CONSTRAINT_STR): Delete.
5147 (CONSTRAINT_LEN): Delete.
5148 (EXTRA_MEMORY_CONSTRAINT): Delete.
5150 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5152 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5153 original fn's eh regions.
5155 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5157 * fold-const.c (build_range_check): Make sure to use a valid type to
5158 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5161 (range_predecessor): New static function.
5162 (range_successor): Likewise.
5163 (merge_ranges): Use them to compute predecessors and successors of
5166 2006-03-09 Roger Sayle <roger@eyesopen.com>
5169 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5170 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5172 2006-03-08 DJ Delorie <dj@redhat.com>
5174 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5175 (addpsi3): Expand to include memory operands. Remove
5176 reload-specific splits.
5177 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5178 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5179 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5180 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5181 (shift1_qi, shift1_hi, insv): New.
5182 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5183 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5184 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5186 * config/m32c/m32c-protos.h: Update as needed.
5187 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5188 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5189 Fail for unrecognized R* constraints.
5190 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5191 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5192 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5194 (m32c_init_libfuncs): New.
5195 (m32c_legitimate_address_p): Add debug wrapper.
5196 (m32c_rtx_costs): New.
5197 (m32c_address_cost): New.
5198 (conversions): Add 'B' prefix.
5199 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5200 operands, or word regnames for QI operands. 'B' prints bit
5202 (m32c_expand_setmemhi): New.
5203 (m32c_expand_movmemhi): New.
5204 (m32c_expand_movstr): New.
5205 (m32c_expand_cmpstr): New.
5206 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5207 (m32c_expand_neg_mulpsi3): Handle non-ints.
5208 (m32c_cmp_flg_0): New.
5209 (m32c_expand_movcc): New.
5210 (m32c_expand_insv): New.
5211 (m32c_scc_pattern): New.
5212 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5213 a0/a1 out of SIregs.
5214 (STORE_FLAG_VALUE): New.
5215 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5218 * config/m32c/mov.md: Make constraints more liberal.
5219 (zero_extendqihi2): Optimize r0/r1 case.
5220 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5221 * config/m32c/predicates.md (m32c_any_operand): New.
5222 (m32c_nonimmediate_operand): New.
5223 (m32c_hl_operand): New.
5224 (m32c_r3_operand): New.
5227 (memsym_operand): New.
5228 (memimmed_operand): New.
5229 (a_qi_operand): New.
5230 (m32c_eqne_operator): New.
5231 (m32c_1bit8_operand): New.
5232 (m32c_1bit16_operand): New.
5233 (m32c_1mask8_operand): New.
5234 (m32c_1mask16_operand): New.
5235 * config/m32c/blkmov.md: New file.
5236 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5238 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5240 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5241 unsigned to fix signed/unsigned comparison issue in
5242 DWARF2_FRAME_REG_OUT.
5243 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5244 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5246 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5247 of ptr into the ENABLE_CHECKING section.
5249 2006-03-08 Jeff Law <law@redhat.com>
5251 * tree-vrp.c (infer_value_range): Only count pointer uses
5252 and dereferences if -fdelete-null-pointer-checks is enabled.
5254 * tree-vrp.c (find_assert_locations): Infer value ranges for
5255 single use pointers, but do not create ASSERT_EXPRs for them.
5256 When a non-null range is inferred for a pointer, backwards
5257 propagate that range to other equivalent pointers through the
5260 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5263 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5264 language hook targets.
5265 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5266 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5267 if language hook targets were missing.
5269 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5271 * tree-ssa-opfinalize.h: Removed.
5272 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5274 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5275 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5276 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5277 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5278 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5279 finalize_ssa_v_must_def_ops): New.
5281 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5283 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5286 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5288 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5290 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5291 addresses with offsets; reorganize.
5293 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5294 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5295 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5297 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5300 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5302 2006-03-08 Ben Elliston <bje@au.ibm.com>
5304 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5306 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5309 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5312 2006-03-07 Richard Guenther <rguenther@suse.de>
5314 PR tree-optimization/26587
5315 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5317 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5319 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5321 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5323 * hooks.c (hook_bool_mode_rtx_true): New function.
5324 * hooks.h (hook_bool_mode_rtx_true): Declare.
5325 * toplev.c (compile_file): Call output_shared_constant_pool.
5326 * varasm.c (shared_constant_pool): New variable.
5327 (assemble_start_function, assemble_end_function): Remove arguments
5328 from call to output_constant_pool.
5329 (create_constant_pool): New function, split out from...
5330 (init_varasm_status): ...here.
5331 (force_const_mem): Choose between the shared and per-function constant
5332 pools. Set current_function_uses_const_pool when reusing old entries
5333 as well as when creating new ones.
5334 (mark_constant): Ignore data argument.
5335 (mark_constants): Remove pool argument.
5336 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5337 to decide whether the function uses a constant pool.
5338 (output_constant_pool_contents): New function, split out from...
5339 (output_constant_pool): ...here.
5340 (output_shared_constant_pool): New function.
5341 (init_varasm_once): Initialize shared_constant_pool.
5342 * output.h (output_constant_pool): Delete.
5343 (output_shared_constant_pool): Declare.
5344 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5345 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5347 2006-03-06 Nick Clifton <nickc@redhat.com>
5349 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5350 flag_strength_reduce.
5352 2006-03-06 Ben Elliston <bje@au.ibm.com>
5354 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5355 x86_64-*-linux* configurations.
5357 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5358 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5360 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5362 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5364 * basic-block.h: Remove the extern for
5365 rediscover_loops_after_threading.
5367 * cfgloop.c (cancel_loop): Make it static.
5368 * cfgloop.h: Remove the prototype for cancel_loop.
5370 * flow.c (recompute_reg_usage): Make it static.
5371 * rtl.h: Remove the prototype for recompute_reg_usage.
5373 * function.c (use_return_register): Make it static.
5374 * function.h: Remove the prototype.
5376 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5378 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5380 * recog.h: Remove the prototype for
5381 validate_change_maybe_volatile.
5383 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5385 * rtlanal.c (replace_reg): Remove.
5386 * rtl.h: Remove the prototype for replace_reg.
5388 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5390 * regclass.c (reg_scan_update): Remove.
5391 (reg_scan_mark_refs): Remove the last argument.
5392 * rtl.h: Remove the prototype for reg_scan_update.
5394 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5396 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5397 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5398 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5399 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5400 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5401 loop-invariant.c, omp-low.c, opts.c, passes.c,
5402 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5403 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5404 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5405 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5406 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5407 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5409 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5411 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5412 * dwarf2out.h: Remove the prototype for
5413 dwarf2out_add_library_unit_info.
5415 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5417 * tree.c (add_var_to_bind_expr): Remove.
5418 * tree.h: Remove the prototype for add_var_to_bind_expr.
5420 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5422 * regclass.c (n_non_fixed_regs): Remove.
5423 (init_reg_sets_1, globalize_reg): Remove all uses of
5425 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5427 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5429 * rtlanal.c (insns_safe_to_move_p): Remove.
5430 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5432 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5434 * expmed.c (expand_mult_add): Remove.
5435 * expr.h: Remove the prototype for expand_mult_add.
5437 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5439 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5440 and REG_SAVED_VAL_EXP constants.
5441 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5442 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5443 Handle regs stored by value.
5444 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5445 (execute_cfa_program): Handle DW_CFA_val_offset,
5446 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5447 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5448 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5449 (uw_install_context_1): Handle target regs stored by value.
5451 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5453 * tree-sra.c (tree_sra): Return todoflags;
5454 (generate_one_element): Set TODO_update_smt_usage if needed.
5455 (pass_sra): Remove TODO_update_smt_usage.
5456 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5458 (tree_ssa_forward_propagate_single_use_vars): Return
5459 TODO_update_smt_usage if we need to update SMT usage.
5460 (pass_forwprop): Remove TODO_update_smt_usage.
5462 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5464 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5465 (correct_use_link): Remove reference to get_stmt_operands.
5466 (update_stmt_operands): Likewise.
5467 (get_modify_expr_operands): New function factored out of
5468 parse_ssa_operands and get_expr_operands.
5469 Try to create V_MUST_DEFs for LHS by default.
5470 (get_expr_operands) <case MODIFY_EXPR>: Call
5471 get_modify_expr_operands.
5472 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5473 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5474 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5475 get_modify_expr_operands.
5477 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5479 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5480 * tree-flow.h: Remove the prototype for
5481 referenced_var_lookup_if_exists.
5483 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5485 PR rtl-optimization/26345
5487 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5489 2006-03-03 Roger Sayle <roger@eyesopen.com>
5491 PR tree-optimization/26524
5492 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5493 fold_convert to create a constant of the appropriate type.
5495 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5497 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5498 SYMBOL_REF_IN_BLOCK_P.
5499 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5500 of SYMBOL_FLAG_IN_BLOCK.
5501 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5502 instead of SYMBOL_REF_IN_BLOCK_P.
5503 * explow.c (use_anchored_address): Likewise.
5504 * rtl.c (rtx_size): Likewise.
5505 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5506 instead of SYMBOL_FLAG_IN_BLOCK.
5507 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5508 SYMBOL_REF_IN_BLOCK_P.
5509 (assemble_variable): Likewise.
5510 (output_constant_def_contents): Likewise.
5511 (output_constant_pool): Likewise.
5512 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5513 instead of SYMBOL_FLAG_IN_BLOCK.
5514 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5515 SYMBOL_REF_IN_BLOCK_P.
5516 (SYMBOL_REF_BLOCK): Likewise.
5517 (SYMBOL_REF_OFFSET): Likewise.
5518 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5519 SYMBOL_REF_IN_BLOCK_P.
5520 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5521 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5522 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5523 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5525 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5527 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5529 2006-03-02 Roger Sayle <roger@eyesopen.com>
5531 * simplify-rtx.c (simplify_unary_operation): When simplifying
5532 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5533 that we perform the right shift in the appropriate mode, and
5534 then extend or truncate the result to requested mode.
5536 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5538 * gengtype.c (main): Handle double_int type.
5539 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5540 * double-int.c: New file.
5541 * double-int.h: New file.
5542 * system.h: Include doubleint.h.
5543 * Makefile.in (SYSTEM_H): Include double-int.h.
5544 (double-int.o): Add.
5546 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5549 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5552 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5554 * tree-vrp.c (remove_range_assertions): Do not update statements
5557 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5559 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5561 * gcse.c (rest_of_handle_gcse): Ditto.
5562 * except.c (gate_handle_eh): Ditto.
5563 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5564 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5566 2006-03-02 Eric Christopher <echristo@apple.com>
5568 * config/i386/i386.c (machopic_output_stub): Add indirection to
5571 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5575 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5577 Sun Niagara specific optimizations.
5578 * config.gcc: Recognize niagara as target.
5579 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5580 (TARGET_CPU_niagara): Define.
5581 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5582 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5583 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5584 (ASM_CPU_SPEC): Likewise.
5585 (PROCESSOR_NIAGARA): New enum entry.
5586 (REGISTER_MOVE_COST): Handle Niagara.
5587 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5588 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5589 (sparc_override_options): Recognize "niagara", set appropriate
5590 default MASK_* values for it, and align functions to 32-bytes
5591 by default just like ULTRASPARC/ULTRASPARC3.
5592 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5593 (sparc64_initialize_trampoline): Likewise.
5594 (sparc_use_sched_lookahead): Use zero for niagara.
5595 (sparc_issue_rate): Use one for niagara.
5596 * config/sparc/niagara.md: New file.
5597 * config/sparc/sparc.md: Include it.
5598 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5599 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5600 when default cpu is niagara.
5601 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5602 (ASM_CPU_SPEC): Likewise.
5603 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5604 when default cpu is niagara.
5605 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5606 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5607 just like v9/ultrasparc/ultrasparc3.
5608 * doc/invoke.texi: Add documentation for "niagara" and improve
5609 existing documentation for ultrasparc variants.
5611 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5613 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5615 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5617 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5618 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5619 and say that only one is needed.
5620 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5621 * target.h (have_switchable_bss_sections): New hook.
5622 * explow.c (use_anchored_address): Check that the symbol is in a block.
5623 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5624 (bss_noswitch_section): New variables.
5625 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5626 (get_noswitch_section): New function.
5627 (get_block_for_section): Allow SECT to be null.
5628 (unlikely_text_section_p): Use SECTION_STYLE.
5629 (bss_initializer_p): New function.
5630 (get_variable_section): Move earlier in file. Take a new argument,
5631 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5632 Return one of the new *_sections in such cases.
5633 (get_block_for_decl): New function, extracting some logic from
5634 use_blocks_for_decl_p.
5635 (change_symbol_section): Remove in favor of...
5636 (change_symbol_block): ...this new function.
5637 (use_blocks_for_decl_p): Remove checks now performed by
5639 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5640 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5641 (emit_local, emit_bss, emit_common): ...these new functions.
5642 Return true if the alignment was honored.
5643 (emit_tls_common): New function.
5644 (asm_emit_uninitialised): Delete.
5645 (assemble_variable_noswitch): New function, split out from...
5646 (assemble_variable): ...here. Don't make decisions about common
5647 variables here. Globalize all public decls that go into non-common
5648 sections. Check whether SYMBOL_REF_BLOCK is null.
5649 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5650 (output_constant_pool): Likewise.
5651 (init_varasm_once): Initialize the new section variables.
5652 (have_global_bss_p): New function.
5653 (categorize_decl_for_section): Use bss_initializer_p.
5654 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5655 (place_block_symbol): Assert that the symbol must be in a block.
5656 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5657 (TARGET_INITIALIZER): Include it.
5658 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5659 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5660 (SECTION_MACH_DEP): Bump by two.
5661 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5662 (unnamed_section): Mention SECTION_UNNAMED in comment.
5663 (named_section): Likewise SECTION_NAMED.
5664 (noswitch_section_callback): New type.
5665 (noswitch_section): New structure.
5666 (section): Add a noswitch_section alternative.
5667 (SECTION_STYLE): New macro.
5668 (tls_comm_section, comm_section, lcomm_section): Declare.
5669 (bss_noswitch_section, have_global_bss_p): Declare.
5670 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5671 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5673 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5674 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5677 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5679 * tree-vrp.c (execute_vrp): Return value.
5680 * regrename.c (rest_of_handle_regrename): Ditto.
5681 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5682 * tree-complex.c (tree_lower_complex): Ditto.
5683 (tree_lower_complex_O0): Ditto.
5684 * tracer.c (rest_of_handle_tracer): Ditto.
5685 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5686 * postreload.c (rest_of_handle_postreload): Ditto.
5687 * tree-tailcall.c (execute_tail_recursion): Ditto.
5688 (execute_tail_calls): Ditto.
5689 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5690 * tree.h (init_function_for_compilation): Ditto.
5691 * ipa-cp.c (ipcp_driver): Ditto.
5692 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5693 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5694 * final.c (compute_alignments): Ditto.
5695 (rest_of_handle_final): Ditto.
5696 (rest_of_handle_shorten_branches): Ditto.
5697 (rest_of_clean_state): Ditto.
5698 * omp-low.c (execute_expand_omp): Ditto.
5699 (execute_lower_omp): Ditto.
5700 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5701 * ipa-reference.c (static_execute): Ditto.
5702 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5703 * reorg.c (rest_of_handle_delay_slots): Ditto.
5704 (rest_of_handle_machine_reorg): Ditto.
5705 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5706 * flow.c (recompute_reg_usage): Ditto.
5707 (rest_of_handle_remove_death_notes): Ditto.
5708 (rest_of_handle_life): Ditto.
5709 (rest_of_handle_flow2): Ditto.
5710 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5711 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5712 (do_ssa_store_ccp): Ditto.
5713 (execute_fold_all_builtins): Ditto.
5714 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5715 * modulo-sched.c (rest_of_handle_sms): Ditto.
5716 * ipa-pure-const.c (static_execute): Ditto.
5717 * cse.c (rest_of_handle_cse): Ditto.
5718 (rest_of_handle_cse2): Ditto.
5719 * web.c (rest_of_handle_web): Ditto.
5720 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5721 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5722 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5723 * tree-nrv.c (tree_nrv): Ditto.
5724 (execute_return_slot_opt): Ditto.
5725 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5726 (create_structure_vars): Ditto.
5727 * loop-init.c (rtl_loop_init): Ditto.
5728 (rtl_loop_done): Ditto.
5729 (rtl_move_loop_invariants): Ditto.
5730 (rtl_unswitch): Ditto.
5731 (rtl_unroll_and_peel_loops): Ditto.
5732 (rtl_doloop): Ditto.
5733 * gimple-low.c (lower_function_body): Ditto.
5734 (mark_used_blocks): Ditto.
5735 * tree-ssa-sink.c (execute_sink_code): Ditto.
5736 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5737 (cgraph_early_inlining): Ditto.
5738 * global.c (rest_of_handle_global_alloc): Ditto.
5739 * jump.c (cleanup_barriers): Ditto.
5740 (purge_line_number_notes): Ditto.
5741 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5742 (rest_of_handle_if_after_reload): Ditto.
5743 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5744 (tree_ssa_loop_im): Ditto.
5745 (tree_ssa_loop_unswitch): Ditto.
5746 (tree_vectorize): Ditto.
5747 (tree_linear_transform): Ditto.
5748 (tree_ssa_loop_ivcanon): Ditto.
5749 (tree_ssa_empty_loop): Ditto.
5750 (tree_ssa_loop_bounds): Ditto.
5751 (tree_complete_unroll): Ditto.
5752 (tree_ssa_loop_prefetch): Ditto.
5753 (tree_ssa_loop_ivopts): Ditto.
5754 (tree_ssa_loop_done): Ditto.
5755 * predict.c (tree_estimate_probability): Ditto.
5756 * recog.c (split_all_insns_noflow): Ditto.
5757 (rest_of_handle_peephole2): Ditto.
5758 (rest_of_handle_split_all_insns): Ditto.
5759 * tree-eh.c (lower_eh_constructs): Ditto.
5760 * regmove.c (rest_of_handle_regmove): Ditto.
5761 (rest_of_handle_stack_adjustments): Ditto.
5762 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5763 * function.c (instantiate_virtual_regs): Ditto.
5764 (init_function_for_compilation): Ditto.
5765 (rest_of_handle_check_leaf_regs): Ditto.
5766 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5767 (rest_of_handle_gcse): Ditto.
5768 * ipa-type-escape.c (type_escape_execute): Ditto.
5769 * alias.c (rest_of_handle_cfg): Ditto.
5770 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5771 * profile.c (rest_of_handle_branch_prob): Ditto.
5772 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5773 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5774 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5775 * tree-dfa.c (find_referenced_vars): Ditto.
5776 * except.c (set_nothrow_function_flags): Ditto.
5777 (convert_to_eh_region_ranges): Ditto.
5778 (rest_of_handle_eh): Ditto.
5779 * emit-rtl.c (unshare_all_rtl): Ditto.
5780 (remove_unnecessary_notes): Ditto.
5781 * except.h (set_nothrow_function_flags): Ditto.
5782 (convert_to_eh_region_ranges): Ditto.
5783 * cfgexpand.c (tree_expand_cfg): Ditto.
5784 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5785 * tree-ssa-pre.c (do_pre): Ditto.
5786 (execute_fre): Ditto.
5787 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5788 (rest_of_handle_jump2): Ditto.
5789 * tree-sra.c (tree_sra): Ditto.
5790 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5791 (execute_mudflap_function_decls): Ditto.
5792 * tree-ssa-copy.c (do_copy_prop): Ditto.
5793 (do_store_copy_prop): Ditto.
5794 * ipa-prop.h (ipcp_driver): Ditto.
5795 * cfglayout.c (insn_locators_initialize): Ditto.
5796 * tree-ssa-forwprop.c
5797 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5798 * cfglayout.h (insn_locators_initialize): Ditto.
5799 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5800 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5801 (execute_late_warn_uninitialized): Ditto.
5802 * rtl.h (cleanup_barriers): Ditto.
5803 (split_all_insns_noflow): Ditto.
5804 (purge_line_number_notes): Ditto.
5805 (unshare_all_rtl): Ditto.
5806 (remove_unnecessary_notes): Ditto.
5807 (recompute_reg_usage): Ditto.
5808 (variable_tracking_main): Ditto.
5809 * integrate.c (emit_initial_value_sets): Ditto.
5810 * integrate.h (emit_initial_value_sets): Ditto.
5811 * tree-optimize.c (execute_free_datastructures): Ditto
5812 (execute_free_cfg_annotations): Ditto.
5813 (execute_fixup_cfg): Ditto.
5814 (execute_cleanup_cfg_pre_ipa): Ditto.
5815 (execute_cleanup_cfg_post_optimizing): Ditto.
5816 (execute_init_datastructures): Ditto.
5817 * tree-object-size.c (compute_object_sizes): Ditto.
5818 * combine.c (rest_of_handle_combine): Ditto.
5819 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5820 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5821 (rest_of_handle_reorder_blocks): Ditto.
5822 (rest_of_handle_partition_blocks): Ditto.
5823 * var-tracking.c (variable_tracking_main): Ditto.
5824 * tree-profile.c (tree_profiling): Ditto.
5825 * tree-vect-generic.c (expand_vector_operations): Ditto.
5826 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5827 * sched-rgn.c (rest_of_handle_sched): Ditto.
5828 (rest_of_handle_sched2): Ditto.
5829 * basic-block.h (free_bb_insn): Ditto.
5830 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5831 * tree-cfg.c (execute_build_cfg): Ditto.
5832 (remove_useless_stmts): Ditto.
5833 (split_critical_edges): Ditto.
5834 (execute_warn_function_return): Ditto.
5835 (execute_warn_function_noreturn): Ditto.
5836 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5837 * cfgrtl.c (free_bb_for_insn): Ditto.
5838 * passes.c (execute_one_pass): Run additional
5839 todos returned by execute function.
5840 * tree-pass.h (struct tree_opt_pass): Make execute
5843 2006-03-02 Richard Guenther <rguenther@suse.de>
5845 * tree-ssa-alias.c (find_used_portions): Consider taking
5846 the address as making the variable not write-only.
5848 2006-03-02 Nick Clifton <nickc@redhat.com>
5850 * config.gcc (default_use_cxa_atexit): Extend the description of
5851 this configure variable. Set its default value to "yes" for
5852 Linux, NetBSD and ELF targets on the assumption that they will
5853 use C libraries with the __cxa_atexit function.
5855 2006-03-02 Ben Elliston <bje@au.ibm.com>
5857 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5858 parameter as unused to suppress a build warning.
5860 2006-03-02 Ben Elliston <bje@au.ibm.com>
5862 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5865 2006-03-01 Roger Sayle <roger@eyesopen.com>
5868 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5869 declared name, the weak reference name, and the typeof name.
5870 (__gthrw): Avoid expanding the declared name suffix.
5871 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5873 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5875 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5877 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5878 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5879 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5880 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5881 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5882 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5883 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5884 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5885 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5886 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5887 (DW_END_default, DW_END_big, DW_END_little): New.
5888 (DW_END_lo_user, DW_END_hi_user): Define.
5889 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5890 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5891 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5894 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5896 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5898 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5900 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5902 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5904 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5905 to 'symbol_mem_tag'.
5907 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5910 2006-03-01 Roger Sayle <roger@eyesopen.com>
5912 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5914 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5917 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5918 MACHO_DYNAMIC_NO_PIC_P.
5919 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5921 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5924 * config/darwin-protos.h (darwin_asm_output_anchor):
5926 * config/darwin-sections.def (cstring_section):
5927 Add SECTION_MERGE to the flags.
5928 (literal4_section): Likewise.
5929 (literal8_section): Likewise.
5930 (objc_selector_refs_section): Likewise.
5931 (objc_cls_refs_section): Likewise.
5932 * config/darwin.c (darwin_asm_output_anchor): New
5934 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5936 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5938 Fix PR tree-optimization/26443
5939 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5940 to todo and PROP_tmt_usage to properties_destroyed.
5941 * tree-ssa-ccp.c (pass_ccp): Ditto.
5942 (pass_store_ccp): Ditto.
5943 * tree-ssa-dom.c (pass_dominator): Ditto.
5945 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5947 * tree-ssa-operands.c: Cleanup whitespace.
5948 (get_asm_expr_operands): Move before first invocation.
5949 (get_indirect_ref_operands): Likewise.
5950 (get_tmr_operands): Likewise.
5951 (get_call_expr_operands): Likewise.
5952 (append_def): Likewise.
5953 (append_use): Likewise.
5954 (append_v_may_def): Likewise.
5955 (append_v_must_def): Likewise.
5956 (add_call_clobber_ops): Likewise.
5957 (add_call_read_ops): Likewise.
5958 (add_stmt_operand): Likewise.
5959 (add_virtual_operand): Likewise.
5960 (build_ssa_operands): Likewise.
5962 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5967 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5968 with a call expr to ...
5969 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5971 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5973 * tree-vrp.c (extract_range_from_assert): Remove special
5974 handling for types with super-types.
5976 2006-03-01 Ben Elliston <bje@au.ibm.com>
5978 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5979 and powerpc64-*-linux* configurations.
5980 * config/t-dfprules: New file.
5982 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5983 Compile dfp-bit.c from the source directory using -DWIDTH and
5984 $DFP_CFLAGS to control the compilation of that file, rather than
5985 generating width-specific versions in the build directory.
5986 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5987 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5989 2006-02-28 Zack Weinberg <zackw@panix.com>
5991 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5994 2006-02-28 Eric Christopher <echristo@apple.com>
5996 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5997 Set up IN_LIBGCC definition of TARGET_64BIT.
5998 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6000 2006-02-28 Roger Sayle <roger@eyesopen.com>
6003 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6004 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6005 cases via the construction of "expr != 0".
6007 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6009 * alias.c (alias_invariant, alias_invariant_size): Remove.
6010 (record_base_value): Remove.
6011 (memrefs_conflict_p): Don't look at alias_invariant.
6012 (end_alias_analysis): Don't free it.
6013 * alias.h (record_base_value): Remove prototype.
6015 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6016 Adam Nemet <anemet@caviumnetworks.com>
6018 * rtl.h (truncated_to_mode): Declare it.
6019 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6020 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6021 (RTL_HOOKS_INITIALIZER): Include it.
6022 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6023 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6024 reg_truncated_to_mode.
6025 * rtlanal.c (truncated_to_mode): Define it.
6026 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6028 2006-02-28 Jeff Law <law@redhat.com>
6030 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6031 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6032 the range allowed by TYPE_PRECISION.
6034 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6036 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6038 PR tree-optimization/26419
6039 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6042 2006-02-27 Zack Weinberg <zackw@panix.com>
6044 * doc/md.texi: Fix typo in previous change.
6046 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6050 2006-02-27 Zack Weinberg <zackw@panix.com>
6052 * rtl.def (define_constraint, define_register_constraint)
6053 (define_memory_constraint, define_address_constraint): New MD forms.
6054 * gensupport.c (process_rtx): Put define_constraint etc on the
6056 * genpreds.c (process_define_predicate): Adjust comment. Validate
6057 the name, and call validate_exp to validate the expression.
6058 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6059 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6060 all callers changed.
6061 (validate_exp, needs_variable, struct constraint_data)
6062 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6063 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6064 (const_dbl_constraints, constraint_max_namelen)
6065 (have_register_constraints, have_memory_constraints)
6066 (have_address_constraints, have_address_constraints)
6067 (have_extra_constraints, have_const_int_constraints)
6068 (have_const_dbl_constraints, mangle, add_constraint)
6069 (process_define_constraint, process_define_register_constraint)
6070 (write_enum_constraint_num, write_lookup_constraint)
6071 (write_insn_constraint_len, write_regclass_for_constraint)
6072 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6073 (write_insn_extra_memory_constraint)
6074 (write_insn_extra_address_constraint)
6075 (write_satisfies_constraint_fns): New.
6076 (write_tm_preds_h): If we have new-style constraint definitions,
6077 prototype the functions generated from them, and define the
6078 old constraint interface (still used by generic code) in terms of
6080 (write_insn_preds_c): If we have new-style constraint definitions,
6081 generate all relevant functions from those definitions.
6082 (main): Handle define_constraint etc.
6083 * genoutput.c (struct constraint_data, indep_constraints)
6084 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6085 (mdep_constraint_len): New data structures and functions, defined
6086 #ifdef USE_MD_CONSTRAINTS.
6087 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6088 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6089 use new logic to validate operand constraints against constraint
6091 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6093 * defaults.h: If none of the old-style constraint macros are
6094 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6095 old-style macros; and poison REG_CLASS_FROM_LETTER,
6096 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6098 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6099 * doc/md.texi: Document new constraint-definition mechanism and the
6100 C interface it provides. Remove references to old mechanism
6101 elsewhere in the document.
6102 (Machine Constraints): Use pathnames relative to gcc directory,
6103 i.e. config/ARCH/FILE. Change i386 section to refer to
6104 config/i386/predicates.md; update that section to match docstrings.
6105 * doc/tm.texi: Move all documentation of the old constraint-
6106 definition macros to their own section, clearly mark as obsolete.
6108 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6109 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6111 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6112 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6113 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6115 (splits and peepholes): Use satisfies_constraint_*.
6116 * config/i386/i386.c (memory_address_length)
6117 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6119 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6121 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6122 scalar operation to be put back into the loop.
6124 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6127 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6128 (extract_cie_info): Handle S flag in augmentation string.
6129 (execute_cfa_program): If context->signal_frame, execute also
6130 fs->pc == context->ra instructions.
6131 (uw_frame_state_for): If context->signal_frame, don't subtract one
6132 from context->ra to find FDE.
6133 (uw_update_context_1): Set context->signal_frame to
6135 (_Unwind_GetIPInfo): New function.
6136 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6137 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6139 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6140 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6141 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6142 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6143 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6144 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6145 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6146 x86_64_fallback_frame_state): Set fs->signal_frame.
6147 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6148 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6149 (frob_update_context): Likewise. Workaround missing S flag in
6150 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6151 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6152 Remove the psw_addr + 1 hack.
6154 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6156 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6157 with aggregates here.
6158 (find_func_aliases): Remove code for &<aggregate> from here.
6160 2006-02-26 Roger Sayle <roger@eyesopen.com>
6162 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6163 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6164 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6167 2006-02-26 Roger Sayle <roger@eyesopen.com>
6170 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6172 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6174 * opts.c (decode_options): Do not handle flag_strength_reduce.
6175 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6176 and OPT_fstrength_reduce.
6177 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6178 flag_prefetch_loop_arrays for being nonzero.
6179 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6181 (fprefetch-loop-arrays-rtl): Removed.
6182 (flag_prefetch_loop_arrays): Do not specify the value.
6184 * doc/passes.texi: Update documentation of loop optimizer
6186 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6187 -frerun-loop-opt): Remove.
6189 2006-02-26 Richard Guenther <rguenther@suse.de>
6191 PR tree-optimization/26421
6192 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6193 in function calls that are ADDR_EXPRs as using the whole structure.
6195 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6197 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6198 * tree-pass.h (pass_loop_optimize): Remove.
6199 * passes.c (pass_loop_optimize): Never run it.
6200 * toplev.c (backend_init): Don't call init_loop.
6201 * opts.c (flag_loop_optimize_set): Remove.
6202 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6203 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6204 the old RTL loop optimizer when profiling enabled.
6205 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6206 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6207 pre-headers for the sake of the old RTL loop optimizer.
6208 * Makefile.in: Remove all references to loop.o.
6210 * doc/invoke.texi: Remove all references to -floop-optimize
6211 and -frerun-loop-opt.
6213 2006-02-26 Zack Weinberg <zackw@panix.com>
6215 * doc/md.texi (Machine Constraints): Refer to all files with paths
6216 relative to gcc directory (i.e. config/CPU/file). Add missing
6217 @table @code ... @end table to M32C subsection.
6219 2006-02-26 Roger Sayle <roger@eyesopen.com>
6221 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6223 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6225 2006-02-26 Roger Sayle <roger@eyesopen.com>
6226 James A. Morrison <phython@gcc.gnu.org>
6229 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6230 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6231 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6232 signedness of the shift operation.
6234 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6236 PR tree-optimization/26359
6237 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6239 2006-02-25 Roger Sayle <roger@eyesopen.com>
6241 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6242 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6243 as X == 0, and some symmetry related transformations.
6244 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6246 2006-02-25 Roger Sayle <roger@eyesopen.com>
6249 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6250 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6251 symmetry related transformations. Fold (X^C1) == C2 as
6254 2006-02-25 Juergen Weigert <jw@suse.de>
6255 Richard Guenther <rguenther@suse.de>
6257 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6259 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6261 * combine.c (gen_lowpart_or_truncate): Call
6262 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6264 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6266 * doc/invoke.texi: Move -fopenmp description to "Options for
6268 Remove reference to -lgomp.
6270 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6272 * doc/install.texi: Require GNU tar version 1.14.
6274 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6276 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6277 * doc/invoke.texi (C++ Dialect Options): Document
6278 -fno-use-cxa-get-exception-ptr.
6279 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6280 * configure: Regenerate.
6281 * c.opt (fuse-cxa-get-exception-ptr): New.
6282 * c-opts.c (c_common_handle_option): Handle
6283 OPT_fuse_cxa_get_exception_ptr.
6284 * c-common.c (flag_use_cxa_atexit): Update documentation.
6285 (flag_use_cxa_get_exception_ptr): New.
6286 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6287 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6289 (C_COMMON_OVERRIDE_OPTIONS): New.
6291 2006-02-24 Roger Sayle <roger@eyesopen.com>
6294 * combine.c (try_combine): Explicitly check whether GET_CODE is
6295 a SET or a CLOBBER, instead on checking that it isn't a USE.
6297 2006-02-24 Roger Sayle <roger@eyesopen.com>
6299 * fold-const.c (fold_comparison): New subroutine of fold_binary
6300 containing transformations common to both the equality and
6301 ordering relational operators, factored out of fold_binary.
6302 (fold_binary): Separate out the equality operators (EQ_EXPR
6303 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6304 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6305 transformations common to both.
6306 (fold_div_compare): Fix latent bugs in the previously unreachable
6307 LT_EXPR and GE_EXPR cases.
6309 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6311 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6312 decl libname for clog to __clog on AIX.
6314 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6316 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6319 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6320 output traceback table for thunks. Localise rs6000_stack_info call.
6322 2006-02-23 Roger Sayle <roger@eyesopen.com>
6323 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6325 * gthr-posix.h (__gthrw): Fix typo in comment.
6327 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6329 * doc/cpp.texi (Character sets): Document that we do support
6330 input files to be in any character set.
6332 2006-02-23 Jeff Law <law@redhat.com>
6334 * tree.h (PHI_ARG_NONZERO): Remove.
6335 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6336 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6337 node to the new node.
6339 PR tree-optimization/26425
6340 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6341 min/max, then assume its varying.
6343 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6345 PR rtl-optimization/26316
6346 * rtlanal.c (enum may_trap_p_flags): New.
6347 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6348 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6349 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6350 (may_trap_after_code_motion_p): New function.
6351 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6352 (find_invariant_insn): Use may_trap_after_code_motion_p.
6353 * rtl.h (may_trap_after_code_motion_p): Declare.
6355 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6357 * emit-rtl.c (immed_double_const): Cleanup.
6359 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6361 Fix PR tree-optimization/26376
6362 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6365 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6368 * gimplify.c (omp_add_variable): Guard variable size decl test with
6369 DECL_SIZE (decl) check.
6371 2006-02-23 Richard Guenther <rguenther@suse.de>
6374 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6375 like aggregate types.
6377 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6379 * configure.ac: Add --with{,out}-long-double-128 configure option.
6380 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6381 * configure: Rebuilt.
6382 * config.in: Rebuilt.
6383 * doc/install.texi (Options specification): Document
6384 --with-long-double-128.
6386 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6387 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6388 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6389 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6391 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6393 * config/s390/s390.c (override_options): Handle
6394 TARGET_DEFAULT_LONG_DOUBLE_128.
6396 * config/alpha/alpha.c (override_options): Handle
6397 TARGET_DEFAULT_LONG_DOUBLE_128.
6399 * config/sparc/sparc.c (sparc_override_options): Handle
6400 TARGET_DEFAULT_LONG_DOUBLE_128.
6402 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6404 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6405 (real-install-headers-tar, real-install-headers-cpio)
6406 (real-install-headers-cp): New targets.
6408 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6410 * tree.h (variable_section): Delete.
6411 * varasm.c (variable_section): Delete.
6413 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6415 * install.texi: Add notes on install.texi2html.
6416 (Building in parallel): Do not use footnotes.
6418 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6421 * doc/install.texi (Configuration): Document --disable-libgomp.
6423 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6425 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6427 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6429 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6430 (vec_extractv2df_0_sse): New.
6432 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6434 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6435 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6436 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6437 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6438 to the result of the expression.
6439 (def_cfa_1): Adjust.
6440 (frame_pointer_cfa_offset): Rename to...
6441 (frame_pointer_fb_offset): ... this. Adjust all uses.
6442 (convert_cfa_to_loc_list): Rename to...
6443 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6444 Pass it on to build_cfa_loc.
6445 (compute_frame_pointer_to_cfa_displacement): Rename to...
6446 (compute_frame_pointer_to_fb_displacement): ... this. New
6447 offset parameter. Use it in computation.
6448 (gen_subprogram_die): Compute cfa_fb_offset with the new
6449 macro, and use it to compute the fb loc list and the
6452 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6454 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6455 replaced with register_operand.
6456 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6457 non-DREG is expensive.
6458 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6459 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6462 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6464 * doc/install.texi2html: Use set -e.
6466 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6468 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6469 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6470 * doc/invoke.texi (-fshared-data): Delete.
6471 * common.opt (fshared-data): Delete.
6472 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6473 (assemble_static_space): Remove #if 0 code.
6474 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6475 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6476 * config/cris/cris.h: Remove FIXME.
6478 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6480 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6483 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6486 * combine.c (simplify_shift_const_1): Disable nested shifts
6487 optimization for vector shifts.
6489 2006-02-20 Roger Sayle <roger@eyesopen.com>
6491 PR tree-optimization/26361
6492 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6493 of unsigned integer types.
6495 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6497 * tree-chrec.c (eq_evolutions_p): New.
6498 * tree-chrec.h (eq_evolutions_p): Declared.
6499 * tree-data-ref.c: Fix formatting.
6500 (datadep_stats, dependence_stats): New.
6502 (print_direction_vector): New.
6503 (dump_data_dependence_relation): Use print_direction_vector.
6504 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6505 (compute_subscript_distance): Static.
6506 (initialize_data_dependence_relation): Static. Get the number
6507 of loops surrounding the references from the callers, and initialize
6508 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6509 base_object_differ_p analyzers.
6510 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6511 compute_overlap_steps_for_affine_1_2,
6512 analyze_subscript_affine_affine): Count the classified dependences.
6513 Print a message when a test failed.
6514 (can_use_analyze_subscript_affine_affine): New.
6515 (analyze_siv_subscript): Compute the data dependences on symbolic
6516 scevs that verify can_use_analyze_subscript_affine_affine.
6517 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6518 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6519 Handle symbolic scevs.
6520 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6522 (subscript_dependence_tester): Moved...
6523 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6524 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6525 DDR_SIZE_VECT instead of getting it in parameter.
6526 (subscript_dependence_tester): ... here. Take as a parameter
6527 loop_nest_depth. Call build_classic_dist_vector and
6528 build_classic_dir_vector.
6529 (compute_affine_dependence): Update subscript_dependence_tester
6530 parameters. Update datadep_stats counters. Call
6531 compute_subscript_distance.
6532 (compute_self_dependence): Save the dist and dir vectors. Call
6533 compute_subscript_distance.
6534 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6535 (compute_all_dependences): Reorder parameters as they were before
6536 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6537 compute_subscript_distance. Update the use of
6538 compute_affine_dependence and initialize_data_dependence_relation.
6539 (find_data_references_in_loop): Handle COMPONENT_REF.
6540 (compute_data_dependences_for_loop): Initialize dependence_stats.
6541 Don't call build_classic_dist_vector and build_classic_dir_vector.
6542 Update the parameters of initialize_data_dependence_relation and
6543 compute_all_dependences. Print the statistics from datadep_stats.
6544 (analyze_all_data_dependences): Static. Not used until the pass for
6545 checking the data dependences is contributed.
6546 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6547 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6548 (initialize_data_dependence_relation, compute_affine_dependence,
6549 analyze_all_data_dependences, compute_subscript_distance): Removed.
6550 (print_direction_vector): New.
6551 * lambda.h (gcd): ... here.
6552 (lambda_vector_gcd): Moved here from gcd_vector.
6553 * lambda-code.c (gcd, gcd_vector): Removed.
6554 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6555 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6557 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6559 * ipa-type-escape.c: Tidy some comments and white space.
6560 * tree-ssa-operands.c: Likewise.
6562 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6565 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6566 (dump_decl_name): Do not walk the decl tree chains.
6567 * tree-pass.h (TDF_CHAIN): Remove.
6569 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6571 * Makefile.in (C): Remove
6573 (.PHONY): Remove C and PROTO
6575 2006-02-20 Roger Sayle <roger@eyesopen.com>
6578 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6579 deprecated CHAR_TYPE tree code.
6581 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6583 * configure.ac (target_list): Add install-info, dvi, html.
6584 * configure: Regenerate.
6586 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6587 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6588 treelang/Make-lang.in: Do not use double-colon rules.
6590 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6592 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6593 (TMT_USED_ALONE): New macro.
6594 * tree-pass.h (PROP_tmt_usage): New property.
6595 (TODO_update_tmt_usage): New todo.
6596 * tree-ssa-alias.c (updating_used_alone): New variable.
6597 (recalculate_used_alone): New function.
6598 (compute_may_aliases): Set updating_used_alone, call
6599 recalculate_used_alone.
6600 * tree-sra.c (pass_sra): Note that this pass destroys
6601 PROP_tmt_usage, and add TODO_update_tmt_usage.
6602 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6603 * tree-flow.h (updating_used_alone): Prototype.
6604 (recalculate_used_alone): Ditto.
6605 * passes.c (execute_todo): Add code to set updating_used_alone,
6606 and call recalculate.
6607 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6608 for clobber if used alone, and add assert to verify used_alone
6611 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6613 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6614 for non tls symbols added.
6615 (legitimize_address): Do nothing for PLUS expressions if one of the
6616 addends is a tls symbol reference.
6618 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6622 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6624 * Makefile.in (BOOTSTRAPPING): New.
6625 (quickstrap): New definition if BOOTSTRAPPING=yes.
6627 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6628 * configure.ac: Substitute all_selected_languages with the languages
6629 that were configured. For all the other variables except
6630 lang_specs_files, include all the languages in the tree.
6631 * configure: Regenerate.
6633 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6634 if there is one. Run the commands to run fixincludes in the same
6637 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6638 * doc/install.texi: Document exact conventions for searching target tools.
6639 Document --with-build-time-tools. Document toplevel bootstrap. Document
6640 something more about building an Ada cross-compiler. Don't list GNU Make
6641 requirements which affect all platforms.
6643 2006-02-19 Roger Sayle <roger@eyesopen.com>
6646 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6647 only equivalent if the have both the same mode and precision.
6649 2006-02-20 Ben Elliston <bje@au.ibm.com>
6651 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6653 2006-02-19 Roger Sayle <roger@eyesopen.com>
6654 Steven Bosscher <stevenb.gcc@gmail.com>
6656 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6657 constant pool references to identify stack mode constants.
6658 * rtlanal.c (constant_pool_constant_p): New predicate to check
6659 whether operand is a floating point constant in the pool.
6660 * rtl.h (constant_pool_constant_p): Prototype here.
6661 * loop.c (scan_loop): Avoid hoisting constants from the constant
6662 pool on STACK_REGS targets.
6663 (load_mems): Likewise.
6664 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6665 loads into x87 registers expensive in terms of register pressure.
6667 2006-02-19 Roger Sayle <roger@eyesopen.com>
6669 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6670 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6672 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6674 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6675 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6677 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6679 * doc/invoke.texi: Document -fipa-pta.
6680 * common.opt: Add ipa-pta option.
6681 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6682 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6683 (do_ds_constraint): Ditto.
6684 (get_constraint_for): Only add to referenced_vars if
6685 referenced_vars exists.
6686 (insert_into_field_list): Rewrite to do this unsorted.
6687 (insert_into_field_list_sorted): Rename old insert_into_field_list
6689 (create_function_info_for): Use insert_into_field_list_sorted.
6690 (create_variable_info_for): Rewrite so it uses unsorted version,
6691 since the field list is sorted.
6692 (intra_create_variable_infos): Only add to referenced_vars if
6693 referenced_vars exists.
6694 (ipa_pta_execute): Init heapvars, and delete when done.
6695 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6697 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6699 * doc/install.texi: Add missing `@samp'.
6701 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6703 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6706 2006-02-18 Mark Wielaard <mark@klomp.org>
6708 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6709 who added new 4.1 features, bug fixes and integration support.
6711 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6714 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6717 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6719 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6720 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6721 (copy_insn_1): Likewise. Don't copy each field individually.
6723 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6725 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6726 * rtl.c (rtx_size): Rename variable to...
6727 (rtx_code_size): ...this.
6728 (rtx_size): New function.
6729 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6730 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6732 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6733 * rtl.h (rtx_code_size): New variable.
6734 (rtx_size): Change from a variable to a function.
6735 (RTX_SIZE): Rename to...
6736 (RTX_CODE_SIZE): ...this.
6739 PR tree-optimization/17106
6740 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6741 (Anchored Addresses): New section.
6742 * doc/invoke.texi (-fsection-anchors): Document.
6743 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6744 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6745 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6746 * hooks.c (hook_bool_mode_rtx_false): New function.
6747 * hooks.h (hook_bool_mode_rtx_false): Declare.
6748 * gengtype.c (create_optional_field): New function.
6749 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6750 SYMBOL_REF_IN_BLOCK_P is true.
6751 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6752 (min_anchor_offset, max_anchor_offset): Likewise.
6753 (use_anchors_for_symbol_p): New hook.
6754 * toplev.c (compile_file): Call output_object_blocks.
6755 (target_supports_section_anchors_p): New function.
6756 (process_options): Check that -fsection-anchors is only used on
6757 targets that support it and when -funit-at-a-time is in effect.
6758 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6759 if the decl doesn't have one.
6760 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6761 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6762 of force_const_mem through use_anchored_address.
6763 (expand_expr_constant): New function.
6764 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6765 calling expand_expr for INDIRECT_REF.
6766 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6767 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6768 * expr.h (use_anchored_address): Declare.
6769 * loop-unroll.c: Don't declare rtx vectors here.
6770 * explow.c: Include output.h.
6771 (validize_mem): Call use_anchored_address.
6772 (use_anchored_address): New function.
6773 * common.opt (-fsection-anchors): New switch.
6774 * varasm.c (object_block_htab, anchor_labelno): New variables.
6775 (hash_section, object_block_entry_eq, object_block_entry_hash)
6776 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6777 (use_blocks_for_decl_p, change_symbol_section): New functions.
6778 (get_variable_section): New function, split out from assemble_variable.
6779 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6780 use_blocks_for_decl_p say so. Use change_symbol_section if the
6781 symbol has already been created.
6782 (assemble_variable_contents): New function, split out from...
6783 (assemble_variable): ...here. Don't output any code for
6784 block symbols; just pass them to place_block_symbol.
6785 Use get_variable_section and assemble_variable_contents.
6786 (get_constant_alignment, get_constant_section, get_constant_size): New
6787 functions, split from output_constant_def_contents.
6788 (build_constant_desc): Create a block symbol if use_object_blocks_p
6789 says so. Or into SYMBOL_REF_FLAGS.
6790 (assemble_constant_contents): New function, split from...
6791 (output_constant_def_contents): ...here. Don't output any code
6792 for block symbols; just pass them to place_section_symbol.
6793 Use get_constant_section and get_constant_alignment.
6794 (force_const_mem): Create a block symbol if use_object_blocks_p and
6795 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6796 (output_constant_pool_1): Add an explicit alignment argument.
6797 Don't switch sections here.
6798 (output_constant_pool): Adjust call to output_constant_pool_1.
6799 Switch sections here instead. Don't output anything for block symbols;
6800 just pass them to place_block_symbol.
6801 (init_varasm_once): Initialize object_block_htab.
6802 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6803 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6804 (place_block_symbol, get_section_anchor, output_object_block)
6805 (output_object_block_htab, output_object_blocks): New functions.
6806 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6807 (TARGET_ASM_OUT): Include it.
6808 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6809 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6810 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6811 (TARGET_INITIALIZER): Include them.
6812 * rtl.c (rtl_check_failed_block_symbol): New function.
6813 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6814 (block_symbol, object_block): New structures.
6815 (rtx_def): Add a block_symbol field to the union.
6816 (BLOCK_SYMBOL_CHECK): New macro.
6817 (rtl_check_failed_block_symbol): Declare.
6818 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6819 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6820 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6821 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6822 * output.h (output_section_symbols): Declare.
6823 (object_block): Name structure.
6824 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6825 (default_use_anchors_for_symbol_p): Declare.
6826 * Makefile.in (RTL_BASE_H): Add vec.h.
6827 (explow.o): Depend on output.h.
6828 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6829 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6830 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6831 (rs6000_use_blocks_for_constant_p): New function.
6833 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6835 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6837 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6840 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6843 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6845 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6849 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6852 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6853 instead of DECL_REGISTER.
6855 2006-02-18 Olivier Hainque <hainque@adacore.com>
6858 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6860 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6863 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6864 * opth-gen.awk: Handle Var and InverseMask together.
6865 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6866 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6867 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6868 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6870 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6871 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6872 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6873 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6874 LINUX_DYNAMIC_LINKER): Define.
6875 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6876 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6878 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6879 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6880 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6881 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6882 (TARGET_C99_FUNCTIONS): Don't define.
6883 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6884 GLIBC_DYNAMIC_LINKER.
6885 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6886 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6887 GLIBC_DYNAMIC_LINKER64): Define.
6888 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6889 LINUX_DYNAMIC_LINKER64.
6890 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6891 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6892 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6893 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6894 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6895 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6896 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6897 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6898 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6900 and LINUX_DYNAMIC_LINKER32.
6901 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6902 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6903 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6904 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6905 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6907 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6908 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6909 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6910 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6911 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6912 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6913 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6914 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6915 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6916 LINUX_DYNAMIC_LINKER): Define.
6917 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6918 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6919 GLIBC_DYNAMIC_LINKER64): Define.
6920 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6921 LINUX_DYNAMIC_LINKER64.
6922 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6923 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6924 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6925 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6926 LINUX_DYNAMIC_LINKER): Define.
6927 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6928 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6929 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6930 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6931 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6932 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6933 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6934 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6935 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6936 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6937 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6938 * doc/invoke.texi (-muclibc): Remove caveat about supported
6941 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6943 * doc/cpp.texi (__TIMESTAMP__): Document.
6945 2006-02-17 Roger Sayle <roger@eyesopen.com>
6948 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6949 C is one less than the width of X (and related transformations).
6950 * simplify-rtx.c (simplify_unary_operation_1): Transform
6951 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6952 depending on STORE_FLAG_VALUE, were C is one less then the
6955 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6957 Fix PR tree-optimization/26341
6958 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6959 about NAME_MEMORY_TAG's.
6961 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6964 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6965 with hardware float support, and software float support. Add fcpy
6966 alternative to hardware patterns. Add alternatives to copy between
6967 general and floating-point registers to the 32-bit pattern.
6968 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6969 secondary reload to load a QI or HI mode constant into a floating
6971 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6972 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6974 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6977 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6979 (load_macho_picbase_di): Likewise.
6981 2006-02-16 Jeff Law <law@redhat.com>
6983 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6984 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6985 (ssa_name_nonzero_p): Likewise.
6986 (get_value_range): Return NULL if VRP is not running.
6987 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6988 VRP routines do not discover a range.
6989 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6990 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6991 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6992 (tree_expr_nonnegative_p): Similarly.
6993 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6994 (restore_nonzero_vars_to_original_value): Remove.
6995 (unsafe_associative_fp_binop): Remove.
6996 (tree_ssa_dominator_optimize): Remove initialization and
6997 finalization of nonzero_vars and nonzero_vars_stack.
6998 (dom_opt_initialize_block): No longer push marker on
7000 (dom_opt_finalize_block): No longer call
7001 restore_nonzero_vars_to_original_value.
7002 (record_equivalences_from_phis): No longer look for
7003 nonzero PHI arguments.
7004 (cprop_into_successor_phis): No longer propagate nonzero
7005 property into PHI arguments. Lose unused argument. Caller
7007 (record_equivalences_from_stmt): No longer record nonzero
7008 values for SSA_NAMEs.
7009 (lookup_avail_expr): No longer use nonzero_vars.
7011 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7012 for sizetype when sizetype is unsigned.
7014 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7016 PR rtl-optimization/25603
7017 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7018 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7019 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7020 with new meaning of SETS.
7022 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7027 * config/linux.opt: New file.
7028 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7029 LINUX_DYNAMIC_LINKER): Define.
7030 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7031 * config.gcc (*-*-linux*): Define extra_options.
7032 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7033 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7034 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7035 GLIBC_DYNAMIC_LINKER.
7036 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7037 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7038 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7040 * doc/invoke.texi (GNU/Linux Options): New section.
7042 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7044 * config/sparc/sparc.md (setjmp): Rewrite.
7045 (setjmp_32): Delete.
7046 (setjmp_64): Likewise.
7048 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7050 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7053 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7055 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7058 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7060 PR rtl-optimization/26296
7061 * Makefile.in (loop-invariant.c): Add except.h dependency.
7062 * loop-invariant.c: Include except.h.
7063 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7065 2005-02-16 Paul Brook <paul@codesourcery.com>
7067 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7070 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7072 PR rtl-optimization/25636
7073 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7074 when deciding whether an insn is an initializing insn.
7076 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7078 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7079 (tree_code_size): Ditto.
7080 * tree.h (struct tree_memory_tag): Remove parent_var.
7081 (struct tree_struct_field_tag): New.
7084 (union tree_node): Add sft member.
7085 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7087 (create_sft): Add size and offset argument, set SFT_OFFSET and
7089 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7090 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7091 * tree-flow-inline.h (get_subvar_at): Update for
7092 SFT_OFFSET/SFT_SIZE.
7093 (var_can_have_subvars): Ditto.
7094 (overlap_subvar): Ditto.
7095 * print-tree.c (print_node): Print out interesting things for
7097 * tree-flow.h (struct subvar): Remove offset and size members.
7098 * tree-ssa-operands.c (get_expr_operands): Update for
7099 get_indirect_ref_operands changes.
7100 (get_indirect_ref_operands): Call add_virtual_operand instead of
7101 add_stmt_operand. Only recurse on base var if requested.
7102 (access_can_touch_variable): New function.
7103 (add_stmt_operand): Split virtual operand handling into ...
7104 (add_virtual_operand): Here. Add offset, size, and for_clobber
7105 arguments. Prune alias sets.
7106 (add_call_clobber_ops): Call add_virtual_operand.
7108 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7111 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7113 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7114 than TREE_CODE as index into omp_clause_num_ops array.
7116 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7118 PR rtl-optimization/26184
7119 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7121 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7122 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7123 must_precede, must_follow and tobe_scheduled.
7126 * opts.c (common_handle_option): Free new_option pointer.
7127 * df-core.c (df_analyze): Free postorder pointer.
7129 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7131 * Makefile.in: Fix the examples about the use of stamps
7133 2006-02-15 Michael Matz <matz@suse.de>
7137 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7138 influenced by maximum_field_alignment or DECL_PACKED.
7139 (update_alignment_for_field): Ditto.
7140 (place_field): Ditto.
7141 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7144 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7146 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7147 (debug_flow_info): Pass it.
7148 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7149 * bb-reorder.c (reorder_basic_blocks): Likewise.
7150 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7151 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7152 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7153 * gcse.c (gcse_main, bypass_jumps): Likewise.
7154 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7155 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7156 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7157 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7158 * rtl.h (dump_flow_info): Adjust prototype.
7159 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7160 * var-tracking.c (variable_tracking_main): Likewise.
7161 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7162 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7165 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7167 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7170 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7172 PR tree-optimization/26209
7173 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7174 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7176 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7178 2006-02-14 Roger Sayle <roger@eyesopen.com>
7181 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7182 (X,Y) and the corresponding symmetry related transformations.
7183 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7184 (X,Y) and its symmetry related transformations.
7186 2006-02-14 Roger Sayle <roger@eyesopen.com>
7188 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7191 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7193 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7195 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7198 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7199 support COMDAT group.
7200 * configure: Regenerate.
7202 2006-02-14 Roger Sayle <roger@eyesopen.com>
7207 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7209 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7211 Fix PR tree-optimization/26260
7213 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7215 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7216 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7217 * tree-ssa-structalias.c (create_variable_info_for): Use
7218 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7220 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7222 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7224 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7225 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7226 of the ending condition.
7227 * tree-ssa-loop-manip.c: Include params.h.
7228 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7229 tree_unroll_loop): New functions.
7230 * tree-pass.h (pass_loop_prefetch): Declare.
7231 * loop.c (rest_of_handle_loop_optimize): Test for
7232 -fprefetch-loop-arrays-rtl.
7233 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7234 * timevar.def (TV_TREE_PREFETCH): New timevar.
7235 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7236 pass_loop_prefetch): New.
7237 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7238 (cleanup_tree_cfg_loop): Call scev_reset.
7239 * common.opt (fprefetch-loop-arrays-rtl): Add.
7240 * tree-ssa-loop-prefetch.c: New file.
7241 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7242 (new_temp_expr_table): Initialize expr_vars.
7243 (free_temp_expr_table): Cleanup expr_vars.
7244 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7245 expressions from being merged into one.
7246 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7247 (struct tree_niter_desc): Add control, bound and cmp fields.
7248 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7250 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7251 (tree-cfgcleanup.o): Add SCEV_H dependency.
7252 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7253 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7255 2006-02-14 Richard Guenther <rguenther@suse.de>
7257 PR tree-optimization/26258
7258 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7259 in PHI argument processing.
7261 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7263 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7264 new expression in the requested machine mode.
7266 2006-02-13 Roger Sayle <roger@eyesopen.com>
7268 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7269 directly, instead let do_compare_rtx_and_jump handle this for us.
7270 * expr.c (expand_expr_real_1): Likewise.
7271 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7272 before do_jump_by_parts_greater.
7273 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7274 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7276 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7278 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7280 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7282 PR rtl-optimization/26235
7283 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7284 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7287 2006-02-13 Jeff Law <law@redhat.com>
7289 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7292 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7295 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7296 twice if decl is a builtin. When trying again, call get_callee_fndecl
7297 first to verify it is still a builtin.
7299 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7301 * dwarf2out.c (base_type_die): Don't add AT_name here.
7302 (subrange_type_die): Don't add AT_name here.
7303 (modified_type_die): Rearrange code flow. Do add AT_name here.
7305 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7307 PR rtl-optimization/26247
7308 PR rtl-optimization/26248
7309 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7311 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7313 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7314 * config/fixtfdi.c: Likewise.
7315 * config/fixunstfdi.c: Likewise.
7316 * config/floatditf.c: Likewise.
7318 2006-02-13 Roger Sayle <roger@eyesopen.com>
7321 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7322 into (X,C2) if C1 is a subset of the bits of C2. Transform
7323 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7325 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7327 2006-02-13 Josh Conner <jconner@apple.com>
7330 * varasm.c (function_section): Check for section name before
7331 calling select_section on targets that define
7332 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7333 unlikely_text_section instead of hot_function_section if
7334 first_function_block_is_cold.
7336 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7339 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7341 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7343 PR rtl-optimization/26222
7344 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7345 after tree->rtl expansion.
7346 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7347 before passing it to emit_move_insn.
7349 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7351 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7353 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7354 Clarify documentation.
7355 * c-common.h (warn_write_strings): Remove.
7356 * c-common.c (warn_write_strings): Likewise.
7357 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7360 2006-02-12 Roger Sayle <roger@eyesopen.com>
7363 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7364 (do_jump_parts_zero_rtx): New function renamed from
7365 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7366 (do_jump_parts_equality_rtx): New function split out from
7367 do_jump_parts_equality. Old implementation renamed as above.
7368 Call do_jump_parts_zero_rtx if either operand is zero.
7369 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7370 do all of the heavy lifting.
7371 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7372 calling either do_jump_by_parts_greater_rtx or
7373 do_jump_by_parts_equality_rtx.
7374 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7375 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7376 moved to do_compare_rtx_and_jump, call it directly.
7377 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7378 mode argument. Call do_compare_rtx_and_jump.
7379 (emit_case_nodes): Update calls to do_jump_if_equal.
7381 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7383 PR rtl-optimization/26225
7384 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7386 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7388 PR rtl-optimization/26232
7389 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7391 2006-02-11 Jason Merrill <jason@redhat.com>
7394 * tree-inline.c (declare_return_variable): Just don't use the
7395 modify target if it's a gimple complex reg and the return slot
7398 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7400 * doc/contrib.texi: Update my entry.
7402 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7404 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7406 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7408 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7411 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7413 * doc/invoke.texi (-floop-optimize2): Removed.
7414 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7415 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7416 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7417 * common.opt (floop-optimize2): Removed.
7418 (fmove-loop-invariants): Enabled by default.
7420 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7422 * tree-if-conv.c (combine_blocks): Free the result of
7423 get_loop_exit_edges.
7425 2006-02-10 Jeff Law <law@redhat.com>
7427 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7429 PR tree-optimization/26213
7430 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7431 loop trying to follow SSA_NAME_VALUE chains.
7433 2006-02-10 Richard Guenther <rguenther@suse.de>
7435 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7436 deal with structures that end in implicitly variable sized arrays.
7438 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7440 PR rtl-optimization/24762
7441 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7444 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7446 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7447 (struct ivopts_data): Add regs_used field.
7448 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7449 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7450 instead of loop_data->regs_used;
7451 (free_loop_data): Do not free aux fields for loops.
7452 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7453 and tree_ssa_iv_optimize_finalize.
7455 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7457 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7459 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7462 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7463 computing the effective result type.
7465 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7468 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7469 (tree_overlaps_hard_reg_set): Declare.
7470 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7471 type and signature to match function type expected by walk_tree.
7472 (tree_overlaps_hard_reg_set): New function.
7473 (decl_conflicts_with_clobbers_p): Rename to:
7474 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7475 Use tree_overlaps_hard_reg_set. Changed caller.
7476 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7477 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7478 * cris.c (cris_md_asm_clobbers): Likewise.
7480 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7482 * reload1.c (emit_input_reload_insns): Delete code that tries to
7483 inherit using find_equiv_reg.
7485 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7487 * c-common.h (flag_const_strings): Don't declare.
7488 * c-common.c (flag_const_strings): Remove.
7489 * c.opt (fconst_strings): Remove.
7490 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7491 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7492 (c_common_init_options): Don't set flag_const_strings.
7493 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7495 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7497 * arm.md (tlobits_cbranch): New pattern.
7498 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7499 testing a single bit.
7501 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7504 * tree-ssa-pre.c (create_component_ref_by_pieces):
7505 Handle RETURN_DECL like VAR_DECL.
7507 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7510 * fold-const.c (fold_indirect_ref_1): Fold
7511 "*(foo *)&complexfoo" to "__real__ complexfoo"
7512 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7514 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7516 * tree-flow-inline.h (var_can_have_subvars):
7517 Volatile variables should not have subvariables.
7519 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7522 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7523 multiplying unsigned values.
7526 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7528 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7530 2006-02-08 Jason Merrill <jason@redhat.com>
7533 * tree.def: Elaborate on difference from MODIFY_EXPR.
7534 * doc/c-tree.texi (INIT_EXPR): Likewise.
7535 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7536 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7537 (gimplify_target_expr): Likewise.
7538 (gimplify_cond_expr): Remove target handling.
7539 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7540 (gimplify_expr): Clobber it here.
7541 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7542 Do return slot optimization if we have an INIT_EXPR.
7545 * tree-inline.c (declare_return_variable): Also clear
7546 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7549 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7552 * gimplify.c (gimplify_one_sizepos): Fix typo.
7554 2006-02-08 Jeff Law <law@redhat.com>
7556 PR tree-optimization/21417
7557 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7558 across a backedge if the control statement at the end of the
7559 block is data dependent on other statements in the same block.
7560 (record_temporary_equivalences_from_stmts): Remove over-conservative
7561 test for threading across backedges.
7563 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7564 control statement, handle all three special cases in the same
7565 manner as they all have the same desired solution. No longer
7566 special case edge flag updating when the post dominator is
7569 2006-02-08 Roger Sayle <roger@eyesopen.com>
7571 * tree.def (CHAR_TYPE): Remove.
7572 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7573 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7574 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7575 (gen_string_type_die): Delete unreachable function.
7577 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7578 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7579 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7580 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7581 * builtins.c (type_to_class): Likewise.
7582 * fold-const.c (fold_convert, build_range_check,
7583 merge_ranges): Likewise.
7584 * expr.c (count_type_elements): Likewise.
7585 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7586 * stor-layout.c (layout_type): Likewise.
7587 * ipa-type-escape.c (type_to_consider): Likewise.
7588 * gimplify.c (omp_firstprivatize_type_sizes,
7589 gimplify_type_sizes): Likewise.
7590 * explow.c (promote_mode): Likewise.
7591 * tree-sra.c (is_sra_scalar_type): Likewise.
7592 * varasm.c (output_constant): Likewise.
7593 * tree-inline.c (remap_type_1): Likewise.
7594 * convert.c (convert_to_pointer, convert_to_real,
7595 convert_to_integer, convert_to_complex): Likewise.
7597 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7599 * df-scan.c (df_def_record_1): A set destination may
7600 be a parallel regardless of mode.
7602 2006-02-08 Roger Sayle <roger@eyesopen.com>
7605 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7606 * config/mips/_tilib.c: Remove.
7607 * config/fixtfdi.c: New libgcc source file.
7608 * config/fixunstfdi.c: New source file.
7609 * config/floatditf.c: New source file.
7610 * config/floatunditf.c: New souce file.
7611 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7612 files above instead of config/mips/_tilib.c.
7613 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7615 2006-02-08 Jeff Law <law@redhat.com>
7617 PR tree-optimization/26169
7618 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7621 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7623 * df.h (DF_REG_SIZE): Return the length of the initialized
7626 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7628 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7629 __muldf3): Return a correctly signed zero.
7631 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7633 * passes.c (register_one_dump_file): Accept the current properties
7634 instead of pass number. Adjust call to dump_register. Remove
7636 (register_dump_files): Now a wrapper around...
7637 (register_dump_files_1): ... this one. Do not modify the pass
7639 (next_pass_1): Cosmetic fix.
7640 (execute_todo): Keep second parameter only. Use curr_properties
7641 instead of fetching it from the pass structure. Check and set
7643 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7644 instead of fetching it from the pass structure. Fix calls to
7645 execute_todo. Update curr_properties and initialize .vcg RTL dump
7646 after running the pass. Reset last_verified.
7647 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7649 (FIRST_AUTO_NUMBERED_DUMP): New.
7650 (dump_register): Remove "num" parameter, assign it within the
7652 (get_dump_file_name): Modify template for dumps.
7653 * tree-dump.h (dump_register): Adjust prototype.
7654 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7655 (PROP_trees): Add PROP_gimple_lomp.
7656 (TODO_set_props): New.
7657 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7658 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7659 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7661 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7663 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7664 (sparc64-*-linux*): Likewise.
7665 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7666 * config/sparc/t-linux: New file.
7667 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7668 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7669 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7670 -m32 -mlong-double-128.
7672 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7673 * config/alpha/t-linux: New file.
7674 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7676 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7677 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7678 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7679 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7680 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7681 (CPP_ARCH32_SPEC): Remove.
7683 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7685 PR tree-optimization/26145
7686 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7689 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7692 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7693 >= 240000 when generating code for SOM runtime.
7694 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7695 to $$dyncall when generating code for SOM runtime..
7697 2006-02-07 Dirk Mueller <dmueller@suse.com>
7700 * doc/invoke.texi (-Wsequence-point): Update documentation
7701 that -Wsequence-point is implemented for C++ as well.
7703 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7705 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7706 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7707 (LIB_SPEC): Likewise.
7708 * doc/invoke.texi (SPARC options): Document -pthread.
7710 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7712 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7715 2006-02-07 Roger Sayle <roger@eyesopen.com>
7717 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7718 Correct comment describing BOOLEAN_TYPE.
7720 2006-02-07 Dirk Mueller <dmueller@suse.com>
7722 * c.opt: C++ frontend supports -Wdiv-by-zero.
7723 * c-opts.c (c_common_handle_option): Remove dead case.
7725 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7727 * configure.ac (TLS assembler check): Do not enable TLS by
7728 default on SPARC/Solaris before version 10.
7729 * configure: Regenerate.
7731 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7733 * doc/invoke.texi (xl-compat): Document conversion and support
7736 2006-02-07 Jeff Law <law@redhat.com>
7738 * tree-vrp.c (find_conditional_asserts): Update comments.
7739 (simplify_stmt_for_jump_threading): New.
7740 (identify_jump_threads, finalize_jump_threads): New.
7741 (vrp_finalize): Call identify_jump_threads.
7742 (execute_vrp): Call finalize_jump_threads.
7743 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7744 (vrp_element, vrp_data, vrp_element_p): Remove.
7745 (vrp_hash_elt, vrp_variables_stack): Remove.
7746 (vrp_hash, vrp_eq, record_range): Remove.
7747 (simplify_cond_and_lookup_avail_expr): Remove.
7748 (extract_range_from_cond): Remove.
7749 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7750 (simplify_stmt_for_jump_threading): New.
7751 (dom_thread_across_edge): New wrapper.
7752 (tree_ssa_dominator_optimize): No longer initialize or
7753 finalize any of the VRP datastructures. Remove iteration
7754 step and simplify as a result of removal of iteration step.
7755 (pass_dominator): Perform a cfg cleanup after DOM.
7756 (dom_opt_finalize_block): Use the new common routines
7757 for threading jumps. Simplify stack management slightly.
7758 No longer need to unwind VRP state.
7759 (record_equivalences_from_incoming_edge): No longer record
7761 (eliminate_redundant_computations): No longer call
7762 simplify_cond_and_lookup_avail_expr.
7763 * tree-flow.h (potentially_threadable_block): Prototype.
7764 (thread_across_edge): Likewise.
7765 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7766 (tree-ssa-threadedge.o): Add dependencies.
7767 * tree-ssa-threadedge.c: New file.
7768 * passes.c (init_optimization_passes): Merge PHIs before
7769 calling VRP. Run VRP again late in the SSA optimization pipeline.
7771 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7773 * df-core.c (df_set_blocks): Do not dereference function pointers.
7774 (df_finish1): Likewise.
7775 (df_hybrid_search_forward): Likewise.
7776 (df_hybrid_search_backward): Likewise.
7777 (df_iterative_dataflow): Likewise.
7778 (df_analyze_problem): Likewise.
7779 (df_compact_blocks): Likewise.
7780 (df_dump): Likewise.
7781 * df-scan.c (df_rescan_blocks): Likewise.
7782 (df_record_entry_block_defs): Likewise.
7784 * genconditions.c (write_conditions): Guard the definition of
7785 'insn_conditions' with the check on GCC version.
7786 (write_writer): Guard the traversal 'insn_conditions' with
7787 the check on GCC version.
7789 2006-02-07 Richard Guenther <rguenther@suse.de>
7793 2006-01-30 Richard Guenther <rguenther@suse.de>
7795 * gimplify.c (gimplify_target_expr): Handle easy cases
7796 without creating a temporary.
7798 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7800 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7801 use of float in probability computations. Use edge probabilities
7802 in place of statically computed probabilities.
7803 (min_spec_prob): New static variable.
7804 (schedule_insns): Initialize it.
7805 (GET_SRC_PROB): Removed.
7806 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7808 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7811 * config/ia64/unwind-ia64.c: Revert last change.
7812 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7813 (INCOMING_FRAME_SP_OFFSET): Define.
7815 2006-02-06 Roger Sayle <roger@eyesopen.com>
7817 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7819 2006-02-07 Ben Elliston <bje@au.ibm.com>
7821 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7822 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7823 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7824 (ix86_return_in_memory): Handle TDmode.
7825 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7826 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7828 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7830 * reorg.c (dbr_schedule): Use dump_file instead of file.
7832 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7835 * config/ia64/predicates.md (extr_len_operand): New predicate.
7836 * config/ia64/ia64.md (extv): Tighten constraints.
7838 (*tbit_and_2): Ditto.
7839 (*tbit_and_3): Ditto.
7840 (*tbit_or_2): Ditto.
7841 (*tbit_or_3): Ditto.
7845 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7848 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7850 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7852 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7853 loop_optimizer_init and loop_optimizer_finalize
7854 * tree-ssa-sink.c (execute_sink_code): Ditto.
7855 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7856 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7857 tree_ssa_loop_done): Ditto.
7858 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7859 * sched-ebb.c: Include output.h.
7860 (schedule_ebbs): Do not use dump argument.
7861 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7862 * loop.c (loop_dump_stream): Removed.
7863 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7865 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7866 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7867 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7868 loop_iterations, strength_reduce, record_biv, record_giv,
7869 final_giv_value, check_final_value, check_ext_dependent_givs,
7870 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7871 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7872 dump_file instead of loop_dump_stream.
7873 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7875 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7877 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7878 * haifa-sched.c: Include output.h
7879 (schedule_insns, sched_init): Do not use dump argument.
7880 * mode-switching.c (optimize_mode_switching): Ditto.
7881 * modulo-sched.c (stats_file): Removed.
7882 (print_node_sched_params): Do not call argument dump_file.
7883 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7884 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7886 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7888 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7889 rtl_loop_init, rtl_loop_done): Ditto.
7890 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7891 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7893 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7894 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7895 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7896 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7897 * emit-rtl.c (renumber_insns): Ditto.
7898 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7899 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7900 * regclass.c (regclass): Ditto.
7901 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7902 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7903 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7904 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7906 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7907 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7909 * gcse.c (gcse_file, debug_stderr): Removed.
7910 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7911 rest_of_handle_gcse): Do not use dump argument.
7912 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7913 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7914 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7915 compute_code_hoist_vbeinout, compute_code_hoist_data,
7916 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7917 compute_store_table, build_store_vectors, insert_insn_start_bb,
7918 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7919 store_motion): Use dump_file instead of gcse_file.
7920 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7921 * profile.c (profile_dump_file): Removed.
7922 (branch_prob): Use dump_file instead of profile_dump_file.
7923 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7925 * tree-ssa-copy.c (dump_copy_of): Ditto.
7926 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7927 dump file to life_analysis.
7928 * bt-load.c (branch_target_load_optimize): Ditto.
7929 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7931 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7932 regclass, dbr_schedule): Declaration changed.
7933 * sched-int.h (sched_init): Declaration changed.
7934 * tree-profile.c (tree_profile_dump_file): Removed.
7935 (tree_profile_hooks): Removed profile_dump_file hook.
7936 * rtl-profile (rtl_profile_dump_file): Removed.
7937 (rtl_profile_hooks): emoved profile_dump_file hook.
7938 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7940 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7941 * tree-cfg.c (build_tree_cfg): Ditto.
7942 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7943 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7944 Declaration changed.
7945 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7946 life_analysis and schedule_insns.
7947 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7949 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7951 * config/mips/mips.c (mips_reorg): Ditto.
7952 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7955 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7957 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7958 (s390_mangle_fundamental_type): New.
7959 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7962 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7963 (alpha_mangle_fundamental_type): New.
7964 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7967 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7969 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7971 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7972 (sparc_mangle_fundamental_type): New.
7974 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7976 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7977 (s390x-*-linux*): Likewise.
7978 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7979 * config/s390/t-linux: New file.
7981 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7983 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7984 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7986 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7988 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7989 (ANTIC_SAFE_LOADS): New macro.
7990 (find_or_generate_expression): Add prototype.
7991 (set_contains_value): Allow null set for sake of not always having
7992 to allocate ANTIC_SAFE_LOADS.
7993 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7994 Allow COMPONENT_REF too.
7995 (valid_in_set): Allow COMPONENT_REF.
7996 Check ANTIC_SAFE_LOADS too.
7997 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7998 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8000 (can_PRE_operation): Add COMPONENT_REF.
8001 (create_component_ref_by_pieces): New function.
8002 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8003 (insert_aux): Move AGGREGATE_TYPE_P check here.
8004 (compute_avail): Set bb local stmt uids.
8005 (pass_pre): Use TODO_update_ssa_only_virtuals.
8007 2006-02-06 Ben Elliston <bje@au.ibm.com>
8009 * configure.ac: Unconditionally disable decimal float by default.
8010 * configure: Regenerate.
8012 2006-02-06 Ben Elliston <bje@au.ibm.com>
8014 * read-rtl.c (read_name): Terminate reading on EOF.
8016 2006-02-06 Ben Elliston <bje@au.ibm.com>
8018 * dfp.c (decimal_real_arithmetic): Change second argument type
8019 from int to enum tree_code. Do not always return true, but now
8020 return result of any call to decimal_do helper functions.
8021 * dfp.h (decimal_real_arithmetic): Update prototype.
8023 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8025 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8027 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8030 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8033 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8035 * tree-vrp.c (cfg_loops): Removed.
8036 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8037 Use current_loops instead of cfg_loops. Pass flags to
8038 loop_optimizer_init.
8039 * cfgloopmanip.c (fix_loop_structure): Update only available
8041 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8042 loop_optimizer_init.
8043 * modulo-sched.c (build_loops_structure): Removed.
8044 (sms_schedule): Use loop_optimizer_init.
8045 * loop-init.c (loop_optimizer_init): Use flags to determine
8046 which properties of loops to prepare.
8047 (rtl_loop_init): Pass flags to loop_optimizer_init.
8048 * tree-ssa-sink.c (execute_sink_code): Ditto.
8049 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8050 * tree-ssa-pre.c (init_pre): Ditto.
8051 * cfgloop.h (LOOPS_NORMAL): New.
8052 (loop_optimizer_init): Declaration changed.
8054 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8056 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8057 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8059 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8061 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8063 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8064 * pa/t-pa64: Delete quadlib.c rule.
8065 * pa/x-ada: Revert last change.
8066 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8068 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8070 PR rtl-optimization/26087
8071 * rtlanal.c (canonicalize_condition): Do not cross basic block
8074 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8077 * config/ia64/ia64.c: Include debug.h.
8078 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8079 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8080 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8081 (process_epilogue, process_set, process_for_unwind_directive):
8082 Output unwind info only if requested. Add CFA info if requested.
8083 Add new arguments as needed. Adjust callers.
8084 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8086 (DWARF2_FRAME_INFO): Define to zero.
8087 * config/ia64/unwind-ia64.c: Remove code that compensated for
8088 the CFA offset error fixed above.
8089 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8090 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8091 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8092 -funwind-tables and -fexceptions to enable frame info.
8093 (dwarf2out_frame_init): Define initial CFA even if
8094 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8095 DWARF2_UNWIND_INFO is nonzero, not just defined.
8096 (dwarf2out_frame_finish): Output non-EH call frame info only
8097 if DWARF2_FRAME_INFO is nonzero.
8098 (convert_cfa_to_loc_list,
8099 compute_frame_pointer_to_cfa_displacement): Define even if
8100 unwind info is not supported.
8101 (gen_subprogram_die): Use the above unconditionally. Remove
8102 legacy alternate code.
8103 * toplev.c (compile_file): Compile in call to
8104 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8105 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8107 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8108 Jakub Jelinek <jakub@redhat.com>
8110 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8111 IBM extended float format long double as "g" on powerpc*-linux.
8113 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8116 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8117 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8119 2006-02-03 Jason Merrill <jason@redhat.com>
8122 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8125 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8126 on the return slot if it's an NRV.
8128 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8130 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8131 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8132 rewrite_use): Do not handle USE_OUTER.
8133 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8134 add_iv_outer_candidates, may_replace_final_value,
8135 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8136 (find_interesting_uses_op): Functionality of
8137 find_interesting_uses_outer_or_nonlin moved here.
8138 (find_interesting_uses_outside): Use find_interesting_uses_op.
8140 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8143 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8145 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8146 Ulrich Weigand <uweigand@de.ibm.com>
8149 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8150 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8151 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8152 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8154 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8155 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8156 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8157 Define secondary reloads for TFmode moves.
8158 (constant_modes): Add TFmode.
8159 (NR_C_MODES): Set to 8.
8160 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8162 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8163 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8164 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8165 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8166 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8167 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8168 (FPR mode macro): Add TFmode.
8169 (DSF mode macro): New.
8170 (<de>, <dee> mode attributes): Removed.
8171 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8172 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8173 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8174 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8175 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8176 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8177 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8178 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8179 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8180 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8181 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8182 "*negabs<mode>2", "sqrt<mode>2"):
8183 Changed <de> to <xde>. R constraint replaced by <Rf>.
8184 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8186 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8187 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8188 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8190 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8191 "extenddftf2", "extendsftf2"): New expanders.
8192 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8193 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8194 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8195 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8197 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8198 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8199 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8200 __floatditf): Add a GCC_4.1.0 symbol version tag.
8201 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8204 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8207 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8208 Use targetm.binds_local_p instead of TREE_PUBLIC.
8210 2006-02-02 Roger Sayle <roger@eyesopen.com>
8212 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8213 on INTEGER_TYPEs to indicate that it denotes a character type.
8214 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8215 signed_char_type_node, unsigned_char_type_node and char_type_node.
8216 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8217 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8218 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8220 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8221 Daniel Berlin <dberlin@dberlin.org>
8223 * tree-tailcall.c (arg_needs_copy_p): New function.
8224 (eliminate_tail_call): Use arg_needs_copy_p.
8225 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8226 (add_virtual_phis): New function.
8228 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8230 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8231 #ignore instead of #scratch for %g7 .register directive.
8233 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8235 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8238 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8240 * flow.c (calculate_global_regs_live): Assert that there aren't any
8243 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8245 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8247 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8248 bsi_after_labels iterator.
8249 * tree-if-conv.c (find_phi_replacement_condition,
8250 replace_phi_with_cond_modify_expr): Likewise.
8251 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8252 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8254 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8256 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8258 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8261 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8262 array after growing it.
8264 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8267 * fold-const.c (fold_checksum_tree): Change type of buf.
8269 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8271 * reload.c (push_secondary_reload): Initialize t_icode.
8273 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8275 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8276 -msoft-float -mlong-double-128 only issue a warning, but don't
8277 swich to DFmode long double.
8279 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8281 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8282 has a constant equivalent, iterate over equivalents for arg0,
8283 calling simplify_relational_operation and if there's a result
8284 cheaper than X, apply fold_rtx and return the result.
8286 2006-02-01 Jan Hubicka <jh@suse.cz>
8288 * opts.c (no_unit_at_a_time_default): New global variable.
8289 (decode_options): Use it.
8290 * opts.h (no_unit_at_a_time_default): Declare.
8292 2006-02-01 Paul Brook <paul@codesourcery.com>
8294 * function.c (assign_parm_setup_reg): Use function argument promotion
8296 * expr.c (expand_expr_real_1): Use function argument promotion rules
8299 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8301 * gcc.c (process_command): Change j to 'unsigned int'.
8303 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8306 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8307 Use the corrected index for the character
8308 out of the string constant.
8310 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8312 * mode-switching.c (optimize_mode_switching): Fix size
8313 allocated for bb_info[n_entities].
8315 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8317 * gcc.c (main): Correct type that is allocated for
8318 explicit_link_files.
8320 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8322 * config/s390/s390.c (init_alignment_context): Set
8323 ALIAS_SET_MEMORY_BARRIER on the MEM.
8324 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8326 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8329 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8331 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8334 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8336 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8337 * regrename.c: Ditto.
8338 * tree-ssa-loop-im.c: Ditto.
8339 * tree-dump.c: Ditto.
8340 * tree-complex.c: Ditto.
8341 * genrecog.c: Ditto.
8342 * tree-ssa-threadupdate.c: Ditto.
8344 * java/class.c: Ditto.
8345 * java/jcf-parse.c: Ditto.
8346 * java/resource.c: Ditto.
8347 * java/except.c: Ditto.
8348 * java/jvspec.c: Ditto.
8349 * java/jcf-write.c: Ditto.
8350 * java/jcf-path.c: Ditto.
8351 * java/gjavah.c: Ditto.
8352 * java/zextract.c: Ditto.
8353 * java/jcf-io.c: Ditto.
8354 * java/jcf.h: Ditto.
8355 * java/buffer.c: Ditto.
8356 * java/lang.c: Ditto.
8357 * java/parse-scan.y: Ditto.
8358 * java/lex.c: Ditto.
8359 * java/lex.h: Ditto.
8360 * cfgloopmanip.c: Ditto.
8361 * postreload-gcse.c: Ditto.
8362 * tree-ssa-loop-manip.c: Ditto.
8363 * postreload.c: Ditto.
8364 * tree-ssa-loop-ch.c: Ditto.
8368 * diagnostic.c: Ditto.
8370 * genoutput.c: Ditto.
8372 * cfghooks.c: Ditto.
8373 * cfgloopanal.c: Ditto.
8374 * objc/objc-act.c: Ditto.
8376 * genextract.c: Ditto.
8377 * genautomata.c: Ditto.
8378 * pretty-print.c: Ditto.
8380 * cgraphunit.c: Ditto.
8383 * haifa-sched.c: Ditto.
8384 * dominance.c: Ditto.
8386 * tree-ssa-loop-ivopts.c: Ditto.
8388 * mode-switching.c: Ditto.
8389 * modulo-sched.c: Ditto.
8391 * ipa-pure-const.c: Ditto.
8393 * fix-header.c: Ditto.
8395 * tree-stdarg.c: Ditto.
8396 * ipa-utils.c: Ditto.
8397 * loop-init.c: Ditto.
8398 * ipa-inline.c: Ditto.
8401 * alloc-pool.c: Ditto.
8402 * dwarf2out.c: Ditto.
8404 * genattrtab.c: Ditto.
8405 * tree-ssa-loop-ivcanon.c: Ditto.
8409 * fortran/gfortranspec.c: Ditto.
8411 * local-alloc.c: Ditto.
8412 * langhooks.c: Ditto.
8413 * function.c: Ditto.
8414 * tree-vectorizer.c: Ditto.
8416 * ipa-type-escape.c: Ditto.
8418 * tree-if-conv.c: Ditto.
8421 * tree-data-ref.c: Ditto.
8422 * loop-unroll.c: Ditto.
8423 * treelang/treetree.c: Ditto.
8426 * ggc-common.c: Ditto.
8428 * coverage.c: Ditto.
8430 * tree-cfgcleanup.c: Ditto.
8431 * tree-ssa-pre.c: Ditto.
8432 * cfgcleanup.c: Ditto.
8433 * loop-invariant.c: Ditto.
8435 * ipa-prop.c: Ditto.
8436 * print-tree.c: Ditto.
8437 * conflict.c: Ditto.
8438 * ggc-page.c: Ditto.
8439 * sched-deps.c: Ditto.
8440 * regclass.c: Ditto.
8441 * tree-object-size.c: Ditto.
8443 * bb-reorder.c: Ditto.
8444 * resource.c: Ditto.
8445 * var-tracking.c: Ditto.
8447 * df-problems.c: Ditto.
8448 * reg-stack.c: Ditto.
8451 * sched-rgn.c: Ditto.
8452 * tree-ssa-structalias.c: Ditto.
8453 * tree-ssa-reassoc.c: Ditto.
8454 * config/darwin-c.c: Ditto.
8455 * config/darwin.c: Ditto.
8456 * config/arm/arm.c: Ditto.
8458 * collect2.c: Ditto.
8461 2006-01-31 Nicolas Pitre <nico@cam.org>
8463 * arm.md (smaxsi3): Make aware of smax_m1.
8466 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8468 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8470 2006-01-31 Richard Guenther <rguenther@suse.de>
8472 * doc/invoke.texi (-msselibm): Document.
8473 * target.h (expand_library_builtin): New target hook.
8474 * builtins.c (expand_builtin): Use expand_library_builtin.
8475 (default_expand_library_builtin): New function.
8476 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8477 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8478 (link_gcc_math_spec): Declare.
8479 (static_specs): Add link_gcc_math_spec.
8480 * expr.h (default_expand_library_builtin): Declare.
8481 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8482 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8483 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8484 * config/i386/i386.opt (msselibm): New target option.
8485 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8486 (ix86_init_sse_abi_builtins): New function.
8487 (ix86_expand_library_builtin): Likewise.
8488 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8489 (override_options): Handle error conditions wrt -msselibm.
8490 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8491 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8492 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8495 2006-01-31 Richard Guenther <rguenther@suse.de>
8496 Paolo Bonzini <bonzini@gnu.org>
8498 * doc/install.texi (--disable-libgcc-math): Document.
8500 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8502 * expr.h (expand_normal): new inline function.
8503 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8505 * dwarf2out.c: use it.
8510 * config/sparc/sparc.c: use it.
8511 * config/i386/i386.c: use it.
8512 * config/rs6000/rs6000.c: use it.
8513 * config/arm/arm.c: use it.
8514 * config/mips/mips.c: use it.
8515 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8517 2006-01-30 Roger Sayle <roger@eyesopen.com>
8519 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8520 argv to the appropriate type.
8522 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8524 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8527 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8530 * config/s390/s390.c (struct machine_function): New flag
8531 decomposed_literal_pool_addresses_ok_p.
8532 (s390_reorg): Set it before final stage of literal pool transforms.
8533 (s390_decompose_address): Only accept displacements of the form
8534 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8536 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8538 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8539 the comparison routine return.
8541 2006-01-30 Michael Matz <matz@suse.de>
8543 * global.c (find_reg): Only evict for global regs.
8544 Take n_refs into account and dump more info.
8546 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8549 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8550 (pragma_trap, pragma_nosave_low_regs): Likewise.
8551 (current_function_anonymous_args): Likewise.
8552 (sh_deferred_function_attributes): New variable.
8553 (sh_deferred_function_attributes_tail): Likewise.
8554 (print_operand): For '@', look up trap_exit attribute.
8555 (calc_live_regs): Look up trapa_handler attribute. For trapa
8556 handlers, save/restore fpscr, but don't do any other
8557 interrupt-specific saves.
8558 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8559 Fix check for partially saved registers to check for SHmedia.
8560 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8561 (sh_output_function_epilogue): Don't clear any of the removed
8563 (sh_insert_attributes): Don't check pragma_interrupt.
8564 Insert deferred attributes. Check that interrupt attribute is
8565 present for other attributes that require its presence.
8566 (sh_attribute_table): Add new attributes trapa_handler and
8568 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8569 Don't check for pragma_interrupt. Don't store argument.
8570 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8571 (sh_deferred_function_attributes): Declare.
8572 (sh_deferred_function_attributes_tail): Likewise.
8573 * sh.md (sp_switch_1): Add operand. Change generator caller.
8574 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8575 (*return_i): Don't use when trap_exit attribute is in effect.
8576 (*return_trapa): New insn pattern.
8578 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8579 setting c_target_objs and cxx_target_objs.
8580 * t-sh: Add rule for sh-c.o.
8582 2006-01-30 Richard Guenther <rguenther@suse.de>
8585 * gimplify.c (gimplify_target_expr): Handle easy cases
8586 without creating a temporary.
8588 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8590 * vec.h (safe_grow): Remove duplicated line.
8592 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8595 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8596 (expand_omp): ... here.
8597 (expand_omp_parallel): Only remove barriers for combined
8598 parallel+workshare constructs.
8600 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8604 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8605 * tree.c (build_qualified_type): Chain the new type to the original
8606 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8607 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8608 (build_pointer_type_for_mode): Only return unqualified types.
8609 (build_reference_type_for_mode): Likewise.
8611 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8613 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8614 * Makefile.in (CXX_COMPAT_WARN): Define.
8615 * configure: Regenerate.
8617 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8620 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8623 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8625 * toplev.c: Fix thinko.
8627 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8628 Marcin Dalecki <martin@dalecki.de>
8630 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8631 (push_srcloc): Use XNEW.
8632 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8634 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8636 * df-core.c (df_set_blocks): Deleted all variable.
8638 2006-01-28 Ian Lance Taylor <ian@airs.com>
8640 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8641 cgraph_output_pending_asms.
8643 2006-01-28 Zack Weinberg <zackw@panix.com>
8645 * c.opt: Add -W(no-)overlength-strings.
8646 * doc/invoke.texi: Document it.
8647 * c-opts.c (c_common_handle_option): -pedantic implies
8648 -Woverlength-strings, if not explicitly disabled already.
8649 (c_common_post_options): -Woverlength-strings defaults to off, and
8650 is always off for C++.
8651 * c-common.c (fix_string_type): Issue warning about strings longer
8652 than is portable only if warn_overlength_strings. Rearrange code
8653 a little for clarity.
8654 * configure.in: Check for -Wno-overlength-strings as well before
8655 enabling -pedantic in stage 1.
8656 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8657 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8659 * genconditions.c (write_header, write_one_condition)
8660 (write_conditions, write_writer): Consolidate very long strings
8661 that were broken up to fit in C89 portable limit. Don't use
8662 printf when fputs will do.
8664 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8666 * combine.c (simplify_comparison <AND>): Check
8667 TRULY_NOOP_TRUNCATION before start using a subreg.
8669 * config/mips/mips.md (*branch_zero<mode>,
8670 *branch_zero<mode>_inverted, *branch_equality<mode>,
8671 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8672 Remove mode check from comparisons.
8674 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8676 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8678 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8680 * expmed.c (const_mult_add_overflow_p): Remove.
8681 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8683 * recog.c (validate_replace_rtx_subexp): Remove.
8684 * recog.h: Remove the prototype for
8685 validate_replace_rtx_subexp.
8687 * integrate.h: Remove the prototype for
8688 copy_decl_for_inlining.
8689 * rtl.h: Remove the prototype for mark_constant_function.
8690 * tree-vectorizer.h: Remove the prototype for
8691 vect_strip_conversion.
8693 * modulo-sched.c (create_partial_schedule,
8694 free_partial_schedule, reset_partial_schedule): Make them
8697 * hooks.c (hook_bool_rtx_int_false): Remove.
8698 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8700 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8702 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8703 and -mlong-double-128 are incompatible.
8704 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8705 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8706 (TARGET_LIBGCC2_CFLAGS): Define.
8707 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8708 (TARGET_LIBGCC2_CFLAGS): Same.
8709 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8711 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8714 * c-typeck.c (build_binary_op): Perform implicit casts of
8715 operands before shortening them.
8717 * cfgloopmanip.c (split_loop_bb): Remove.
8718 * cfgloop.h: Remove the prototype for split_loop_bb.
8720 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8721 * cfgloop.h: Remove the prototype for
8722 flow_loop_outside_edge_p.
8724 * emit-rtl.c (init_virtual_regs): Make it static.
8725 * function.h: Remove the prototype for init_virtual_regs.
8727 * recog.c (peephole2_optimize): Make it static.
8728 * recog.h: Remove the prototype for peephole2_optimize.
8730 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8732 * df-scan.c (df_record_entry_block_defs): Check if
8733 INCOMING_RETURN_ADDR_RTX is defined.
8735 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8736 Kenneth Zadeck <zadeck@naturalbridge.com>
8738 PR rtl-optimization/24762
8739 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8740 * targhooks.c (hook_void_bitmap): New hook prototype.
8741 * targhoohs.h (hook_void_bitmap): Ditto.
8742 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8743 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8744 * target.h (live_on_entry): New function pointer.
8745 * df-scan.c (df_all_hard_regs): Removed.
8746 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8747 (df_scan_free_internal): Added df->entry_block_defs.
8748 (df_scan_alloc): Ditto.
8749 (df_scan_dump): Ditto.
8750 (df_uses_record): Plumbed flag field properly thru calls.
8751 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8752 This part fixes PR24762.
8753 (df_bb_refs_record): Added code to make the frame and arg
8754 pointers live in EH blocks.
8755 (df_refs_record): Added call to df_record_entry_block_defs.
8756 (df_record_entry_block_defs): New function.
8757 * df-core.c: Added comments to describe new artifical defs.
8758 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8759 (entry_block_defs): New field in struct df.
8760 (df_all_hard_regs): Deleted.
8761 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8762 * df-problems.c (df_ru_bb_local_compute_process_def):
8763 Added code to handle artifical defs in the entry to a function.
8764 (df_ru_bb_local_compute): Ditto.
8765 (df_rd_bb_local_compute_process_def): Ditto.
8766 (df_rd_bb_local_compute): Ditto.
8767 (df_lr_bb_local_compute): Ditto.
8768 (df_ur_bb_local_compute): Ditto.
8769 (df_urec_bb_local_compute): Ditto.
8770 (df_chain_create_bb): Ditto.
8771 (df_ur_local_finalize): Removed entry.
8772 (df_urec_init): Ditto.
8773 (df_urec_local_finalize): Ditto.
8774 (df_ri_bb_compute): Added detection of last use of pseudos.
8775 * Makefile.in (df-scan.o): Updated dependencies.
8776 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8777 * config/mips/mips.c (mips_set_live_on_entry): Added.
8778 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8780 * dce.c (marked_insn_p): Added code to handle artifical defs.
8782 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8784 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8786 (_mm_cvtsi128_si64): Likewise.
8787 (_mm_cvtsd_si64): Likewise.
8788 (_mm_cvttsd_si64): Likewise.
8789 (_mm_cvtsi64_sd): Likewise.
8790 (_mm_cvtsi64_si128): Likewise.
8791 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8792 (_mm_cvtsi64_m64): Likewise.
8793 (_m_to_int64): Likewise.
8794 (_mm_cvtm64_si64): Likewise.
8795 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8796 (_mm_cvttss_si64): Likewise.
8797 (_mm_cvtsi64_ss): Likewise.
8798 (_mm_cvtss_f32): Likewise.
8800 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8802 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8803 for pragma redefine_extname.
8805 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8808 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8809 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8810 -mno-minimal-toc to previous content.
8811 (bispecs): Remove goal.
8812 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8813 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8814 compatibility aliases on powerpc-*-*gnu*.
8815 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8816 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8817 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8818 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8819 (ldblspecs): New goal.
8820 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8821 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8823 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8824 L_sf_to_tf or L_df_to_tf is defined.
8826 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8827 Alan Modra <amodra@bigpond.net.au>
8830 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8831 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8832 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8833 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8834 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8835 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8836 (rs6000_override_options): Initialize rs6000_ieeequad.
8837 Initialize TFmode format to ibm_extended_format if not
8839 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8841 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8842 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8843 (function_arg_advance): IBM long double passed in two FPRs, not
8845 (function_arg): IBM long double passed in FPRs.
8846 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8847 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8848 Only multireg GPR aligned.
8849 (rs6000_init_libfuncs): Enable IBM long double functions if not
8851 (rs6000_generate_compare): Use IBM long double compare if not
8853 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8854 (TARGET_IEEEQUAD): Define.
8855 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8856 not TARGET_IEEEQUAD.
8857 * config/rs6000/rs6000.md: Enable TFmode patterns if
8859 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8860 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8861 and -mlong-double-128 are incompatible.
8862 * doc/invoke.texi (-mabi): Collect options together. Add
8863 ibmlongdouble and ieeelongdouble.
8865 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8867 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8869 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8870 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8871 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8872 * rtl.h (rtunion_def): Remove rt_ptr.
8874 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8875 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8876 * config/i386/winnt.c (i386_pe_mark_dllexport)
8877 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8879 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8881 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8883 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8887 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8888 pthread_key_delete. From John David Anglin. gthrw-ify
8889 pthread_getunique_np only if it it's not a macro. Delete
8891 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8892 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8893 __gthread_objc_condition_signal, __gthread_key_delete): Add
8894 "__attribute__ ((__unused__))" to unused arguments.
8895 (__gthread_recursive_mutex_init_function): Add missing return.
8896 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8897 gthr-posix95.h: Use macro-based approach for name redirection
8898 on targets missing weakref.
8900 2006-01-26 Zack Weinberg <zackw@panix.com>
8902 * genconditions.c (write_header): In generated code, #ifdef out
8903 all includes and fake declarations, except includes of bconfig.h
8904 and system.h, unless GCC_VERSION >= 3001. Do not include
8905 gensupport.h in any case.
8906 (write_conditions): Generate a definition of struct c_test. Add
8907 a comment to the generated #endif.
8908 (write_one_condition): Escape backslashes in string too.
8909 (write_writer): Generated code must escape backslashes and quote
8910 marks (but not newlines) in the strings it writes.
8911 * Makefile.in (build/gencondmd.o): Update dependencies.
8913 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8916 * Makefile.in (insn-automata.o): Add header file dependencies.
8917 * genautomata.c: Add includes.
8919 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8922 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8924 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8926 * configure.ac: Expect target tools paths to be passed from the toplevel
8927 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8929 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8931 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8934 * c.opt (Wpointer-sign): Init to -1.
8935 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8936 OPT_pedantic, to 0 otherwise.
8937 * doc/invoke.texi: Update.
8939 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8941 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8942 constants provided by 80387 instructions in the destination mode.
8944 2006-01-26 Richard Guenther <rguenther@suse.de>
8945 Andrew Pinski <pinskia@physics.uc.edu>
8948 partial PR tree-opt/17064
8949 * tree-ssa-structalias.c (intra_create_variable_infos):
8950 Create heap variables for incoming parameters if
8951 flag_argument_noalias > 1.
8952 (find_what_p_points_to): Look through default defs of
8955 2006-01-26 Jeff Law <law@redhat.com>
8958 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8959 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8960 within the VR_RANGE, use the VR_RANGE as the result, not the
8962 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8963 bounds for the type.
8965 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8967 * tree-ssa-alias.c (maybe_create_global_var): Change
8968 subvar walking to an assertion that we don't have subvar'd variables.
8970 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8973 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8974 Use a new variable, inner. PARM_DECLs are always non-weak.
8976 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8978 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8981 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8983 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8985 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8987 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8988 (smax_insn, smin_insn, smax_0, smin_0): New.
8990 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8993 * config/cris/cris.c (cris_order_for_addsi3): New function.
8994 * config/cris/cris-protos.h: Prototype it.
8995 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8996 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8997 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8998 (split for "op.S1 [rx=rx+i],ry (swapped)")
8999 (split for "op(s|u).S1 [rx=rx+i],ry")
9000 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9001 Apply cris_order_for_addsi3 when generating addsi3 insns.
9003 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9005 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9006 (TREE_BLOCK): Add call to EXPR_CHECK.
9008 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9011 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9012 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9013 (dump_omp_clauses): ... here.
9014 (dump_generic_node): Handle OMP_CLAUSE.
9015 * tree.c (omp_clause_num_ops): New.
9016 (omp_clause_code_name): New.
9017 (tree_code_size): Handle OMP_CLAUSE.
9018 (tree_size): Likewise.
9019 (make_node): Document handling of OMP_CLAUSE.
9020 (tree_node_structure): Handle OMP_CLAUSE.
9021 (omp_clause_check_failed): New.
9022 (omp_clause_range_check_failed): New.
9023 (omp_clause_operand_check_failed): New.
9024 (build_omp_clause): New.
9025 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9026 * tree.h (enum omp_clause_code): Declare.
9027 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9028 (OMP_CLAUSE_RANGE_CHECK): Define.
9029 (OMP_CLAUSE_ELT_CHECK): Define.
9030 (omp_clause_check_failed): Declare.
9031 (omp_clause_operand_check_failed): Declare.
9032 (omp_clause_range_check_failed): Declare.
9033 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9034 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9035 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9036 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9037 (OMP_CLAUSE_IF_EXPR): Likewise.
9038 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9039 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9040 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9041 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9042 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9043 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9044 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9045 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9046 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9047 (OMP_CLAUSE_CODE): Define.
9048 (OMP_CLAUSE_SET_CODE): Define.
9049 (OMP_CLAUSE_CODE): Define.
9050 (OMP_CLAUSE_OPERAND): Define.
9051 (struct tree_omp_clause): Declare.
9052 (union tree_node): Add field 'omp_clause'.
9053 * treestruct.def (TS_OMP_CLAUSE): Define.
9054 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9055 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9056 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9057 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9058 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9059 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9060 (OMP_CLAUSE): Define.
9061 * print-tree.c (print_node): Handle OMP_CLAUSE.
9062 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9063 * c-typeck.c: Likewise.
9064 * gimplify.c: Likewise.
9065 * c-omp.c: Likewise.
9066 * tree-nested.c: Likewise.
9067 * tree-inline.c: Likewise.
9068 * c-parser.c: Likewise.
9069 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9072 2006-01-25 Roger Sayle <roger@eyesopen.com>
9074 PR rtl-optimization/25703
9075 * combine.c (try_combine): Handle zero_extract and strict_low_part
9076 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9078 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9080 * global.c: Fix comment typos.
9082 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9085 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9086 Use output_addr_const instead of assemble_name.
9088 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9090 * Makefile.in (sched-vis.o): Update dependencies.
9091 * haifa-sched.c (sched_finish): Clear current_sched_info.
9092 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9093 (dump_flow_info): Call it.
9094 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9096 * basic-block.h (dump_bb_info): Declare.
9097 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9098 option, and apply options only for dump files whose TDF_RTL,
9099 TDF_TREE, or TDF_IPA bits match.
9100 * rtl.h: Declare new functions exported from sched-vis.c.
9101 * sched-vis.c: Enable also if scheduling is not used.
9102 (print_value): Print the mode of registers if not inside scheduling.
9103 (print_insn): Make it work outside the scheduler. Beautify the output
9105 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9107 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9109 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9110 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9111 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9112 depending on the value of CONSTANT_POOL_ADDRESS_P.
9113 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9115 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9116 rather than SYMBOL_REF_DECL.
9117 (rtx_constant_pool): Remove const_rtx_sym_htab.
9118 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9119 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9120 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9121 Remove handling of const_rtx_sym_htab.
9122 (find_pool_constant): Delete.
9123 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9124 rather than find_pool_constant.
9125 (get_pool_constant_for_function): Delete.
9126 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9128 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9129 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9130 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9131 (SYMBOL_REF_CONSTANT): New macro.
9132 (get_pool_constant_for_function): Delete.
9133 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9134 rather than SYMBOL_REF_DECL.
9135 (i386_pe_mark_dllimport): Likewise.
9136 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9137 rather than SYMBOL_REF_DECL.
9138 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9139 (machopic_indirect_call_target): Likewise.
9141 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9143 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9145 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9147 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9149 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9151 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9153 2006-01-24 David Daney <ddaney@avtrex.com>
9156 * configure.ac (enable_tls): New enable option.
9157 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9158 * configure: Regenerate.
9159 * doc/install.texi (--enable-tls): Document new option.
9160 (--disable-tls): Ditto.
9162 2006-01-24 Richard Henderson <rth@redehat.com>
9164 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9165 * alias.c (true_dependence): Respect it.
9166 (canon_true_dependence, write_dependence_p): Likewise.
9167 * builtins.c (get_builtin_sync_mem): Set it.
9169 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9171 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9174 2006-01-24 DJ Delorie <dj@redhat.com>
9176 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9177 for storing constants in single-bit bitfields.
9179 2006-01-25 Ben Elliston <bje@au.ibm.com>
9181 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9183 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9186 * tree-ssa-pre.c (phi_translate): Return NULL
9187 for AGGREGATE_TYPE's.
9189 2006-01-24 Zack Weinberg <zackw@panix.com>
9191 * genautomata.c (process_state_for_insn_equiv_partition):
9192 Use xcalloc for insn_arcs_array.
9193 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9194 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9196 2006-01-24 Richard Henderson <rth@redhat.com>
9198 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9201 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9203 PR rtl-optimization/25890
9204 PR rtl-optimization/25905
9205 * combine.c (expand_compound_operation, expand_field_assignment):
9206 Fail if the bitfield's final position is out of bounds.
9208 2006-01-24 Ian Lance Taylor <ian@airs.com>
9211 * cgraphunit.c (cgraph_output_in_order): Don't clear
9212 cgraph_asm_nodes until after asm strings have been output.
9214 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9216 * fix-header.c (read_scan_file): Add new parameter imultilib when
9217 calling register_include_chains.
9219 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9221 * omp-low.c: Update documentation.
9223 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9224 Daniel Berlin <dberlin@dberlin.org>
9228 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9229 return from the function.
9231 2006-01-22 Zack Weinberg <zackw@panix.com>
9233 * rtl.def (match_code): Add second argument.
9234 * genpreds.c (write_extract_subexp): New function.
9235 (write_match_code): Add path argument. Use write_extract_subexp.
9236 (write_predicate_expr): Pass path to write_match_code.
9237 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9238 not perform a mode test.
9239 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9240 a subexpression does not constrain the top-level code set.
9241 * read-rtl.c (read_rtx_variadic): New function.
9242 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9243 * doc/md.texi: Document new notation.
9244 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9245 (cmpsi_operand): ... here, using new notation.
9247 2006-01-22 Zack Weinberg <zackw@panix.com>
9249 * varray.c: Remove GENERATOR_FILE #ifdefs.
9251 2006-01-22 Zack Weinberg <zackw@panix.com>
9253 * genautomata.c (output_reserved_units_table): Emit nothing if
9254 description->query_units_num is zero. Remove extra blank line.
9255 (output_cpu_unit_reservation_p): Short circuit
9256 if description->query_units_num is zero.
9258 2006-01-22 Zack Weinberg <zackw@panix.com>
9260 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9261 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9262 nor any of the random handful of variables that used to be necessary
9263 when this program was linked with rtlanal.o. Prune set of forward
9264 function declarations.
9265 (struct attr_desc): Remove static_p field.
9266 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9267 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9268 (attr_string): Do not read the character one past the length of
9270 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9271 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9272 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9273 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9274 (make_automaton_attrs): New.
9275 (main): Do not call into genautomata. Call local gen_bypass
9276 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9277 Remove special case for insn_alts.
9278 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9279 varray.h (leftover from previous change). Prune set of forward
9280 function declarations. Remove state_alts fields from all
9281 structures. Remove state_alts_table from struct automaton.
9282 Make everything except main static. Do not maintain num_dfa_decls.
9283 Do not maintain state_alts fields of various structures.
9284 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9285 (add_arc): Remove state_alts argument. All callers updated.
9286 (output_reserved_units_table): Emit #ifdef here...
9287 (output_tables): ...not here. Don't generate state_alts tables.
9288 (expand_automata): Don't generate attributes.
9289 (write_automata): Don't generate state_alts functions.
9290 (main): New function.
9291 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9292 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9293 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9294 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9295 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9296 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9297 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9298 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9300 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9301 * genattrtab.h: Delete file.
9302 * Makefile.in (OBJS-common): Add insn-automata.o.
9303 (insn-automata.o): New rule.
9304 (simple_generated_c): Add insn-automata.c.
9305 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9306 (genprogmd): Add automata.
9307 (build/genattrtab): Needs no extra objects nor libraries.
9308 (build/genautomata): Needs build/vec.o and -lm.
9310 2006-01-22 Zack Weinberg <zackw@panix.com>
9312 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9313 (output_dfa_max_issue_rate, locked_states_num): Delete.
9314 (struct automaton): Add locked_states field.
9315 (output_dead_lock_vect): Save number of locked states in
9316 automaton->locked_states. If it is zero, don't print anything.
9317 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9318 (output_internal_dead_lock_func): Only test the dead_lock_vect
9319 for automata that have locked states.
9320 (output_statistics): Always print the number of locked states for
9321 each automaton. Calculate total number of locked states here.
9322 (write_automata): Don't call output_dfa_max_issue_rate.
9323 * genattrtab.c: Define length_unit_log as a const variable.
9324 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9325 max_insn_queue_index const.
9326 * final.c (length_unit_log): Declare const.
9327 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9329 2006-01-22 Zack Weinberg <zackw@panix.com>
9331 * genautomata.c: Include vec.h, not varray.h.
9332 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9333 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9334 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9335 VEC_* macros operating on appropriately typed vectors, or to
9336 malloced arrays when the size is known in advance. Const-ify
9337 many char* variables and function arguments. No functional changes.
9338 * Makefile.in (build/varray.o): Delete rule.
9339 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9340 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9342 2006-01-22 Zack Weinberg <zackw@panix.com>
9344 * gensupport.c: Define get_insn_name and record_insn_name here.
9345 (read_md_rtx): Call record_insn_name as appropriate.
9346 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9347 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9348 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9350 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9351 (BUILD_VARRAY): Delete.
9352 (genprognormal): Rename genprogmd. Fold in all programs from
9353 genprognoprint; also attrtab.
9354 (build/genattrtab): Just mention genautomata.o and varray.o.
9355 Reorganize a bit, add comments to make the categories clearer.
9357 2006-01-22 Zack Weinberg <zackw@panix.com>
9359 * genconditions.c (condition_table, add_condition): Delete.
9360 (write_conditions): Don't emit n_insn_conditions nor
9361 insn_elision_unavailable. Issue the gcc version #ifdef here,
9362 inside the table, with no #else clause ...
9363 (write_header): ...not here.
9364 (write_writer): New function.
9365 (main): Don't initialize condition_table. Use add_c_test.
9367 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9368 files on the command line.
9369 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9370 Return -1 if there is no entry in the table, don't abort.
9371 (add_c_test, traverse_c_tests): New functions.
9372 * gensupport.h (insn_elision_unavailable, insn_conditions)
9373 (n_insn_conditions): Delete declarations.
9374 (add_c_test, traverse_c_tests): Declare.
9375 * read-rtl.c: Include gensupport.h.
9376 (read_conditions): New function.
9377 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9378 (read_rtx_1): If we get EOF when we were looking for an initial
9379 open paren, return 0. Call read_conditions when appropriate.
9380 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9381 dummy-conditions.o. Eliminate references to insn-conditions.o,
9382 or change them to build/gencondmd.o, as appropriate. Remove
9383 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9384 from $(simple_generated_c). For all files remaining in those
9385 two lists, add insn-conditions.md to the generator command line.
9386 Give insn-constants.h/s-constants their own rules. Add rules
9387 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9388 (build/read-rtl.o): Depend on gensupport.h.
9389 (genprognormal): Include preds.
9390 (genprogearly): Rename genprognoprint; only difference is now that
9391 they don't link with $(BUILD_PRINT).
9392 * dummy-conditions.c: Delete.
9394 2006-01-22 Zack Weinberg <zackw@panix.com>
9396 * genextract.c: Don't include insn-config.h. Do include vec.h.
9397 Declare vectors of int, char, and locstr.
9398 (locstr): New typedef.
9399 (struct extraction): Make all array fields into bare pointers.
9400 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9401 (insn_code_number): Delete.
9402 (accum_extract): New struct.
9403 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9404 (gen_insn): Take insn_code_number as an argument. Use an
9405 accum_extract structure instead of loading data directly into
9406 a struct extraction, and having to know how big it might get.
9407 (walk_rtx): Operate entirely on an accum_extract structure.
9408 (print_path): Avoid unnecessary use of printf.
9409 (print_header): New function, split out of main. Distinguish
9410 more carefully between an unrecognizable insn and an insn that
9411 has the code number of a define_expand.
9412 (main): Pass insn_code_number to gen_insn. Call print_header
9413 only after parsing. Avoid unnecessary use of printf.
9414 * Makefile.in (build/vec.o): New rule.
9415 (build/genextract): Depend on build/vec.o.
9416 (build/genextract.o): Don't depend on insn-config.h.
9418 2006-01-22 Zack Weinberg <zackw@panix.com>
9420 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9421 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9422 practical. Eliminate per-generator-program link rules.
9424 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9427 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9428 with a call expr to ...
9429 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9431 2006-01-23 Richard Guenther <rguenther@suse.de>
9433 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9434 before make_edge with conditional EDGE_TRUE_VALUE.
9436 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9437 Jan Hubicka <jh@suse.cz>
9438 Richard Guenther <rguenther@suse.de>
9440 PR rtl-optimization/25654
9441 * cfgexpand.c (aggregate_contains_union_type): New function.
9442 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9443 for structure variables that contain a union type.
9445 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9447 * gengtype.c (new_structure): Return the structure.
9448 (create_option): Add an extra "next" argument.
9449 (create_field): New function.
9450 (adjust_field_rtx_def): Use create_option and create_field.
9451 Remove a now-unnecessary call to find_structure.
9452 (adjust_field_tree_def): Likewise.
9453 (note_yacc_type): Remove an unnecessary call to find_structure.
9454 * gengtype.h (new_structure): Return the structure.
9455 (create_option): Add an extra argument.
9456 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9457 (option): Adjust calls to create_option.
9459 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9461 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9463 2006-01-22 Paul Brook <paul@codesourcery.com>
9464 Peter Barada <peter@the-baradas.com>
9466 * config/m68k/m68k.md: Add Coldfire FPU support.
9467 Define FP mode macro and associated attributes.
9468 Use it for float mode patterns.
9469 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9470 (LIBCALL_VALUE): Use m68k_libcall_value.
9471 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9472 (m68k_function_value): Ditto.
9473 (emit_move_sequence): Ditto.
9474 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9475 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9476 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9477 (MULTILIB_EXCEPTIONS): Ditto.
9478 * config/m68k/m68k.opt: Add mcfv4e.
9479 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9480 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9481 (m68k_output_function_prologue): Save ColdFire FPU registers.
9482 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9483 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9484 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9485 ColdFire FPU registers.
9486 (m68k_libcall_value, m68k_function_value): New functions.
9487 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9488 (LIBCALL_VALUE): Use m68k_libcall_value.
9489 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9490 (MASK_COLDFIRE): Add MASK_CFV4E.
9491 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9492 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9493 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9494 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9495 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9496 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9497 * doc/invoke.tex: Document -mcfv4e on m68k.
9499 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9501 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9504 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9507 * c-opts.c (c_common_handle_option): Don't include
9508 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9509 * doc/invoke.texi (C++ Dialect Options): Document that
9510 -Wnon-virtual-dtor is no longer included in -Wall.
9512 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9514 * gcov.c (print_version), gcov-dump.c (print_version),
9515 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9518 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9520 * df-scan.c (problem_SCAN): Added NULL reset function.
9521 (df_scan_reset_blocks): Added code to call reset block function
9522 (df_bb_refs_delete) Fixed comment.
9523 (df_insn_refs_delete): Made tolerant of deleting non existent info
9524 for dataflow problems that need to be reset.
9525 * df-core.c (df_set_blocks): Ditto.
9526 * df.h (struct df_problem): Added reset_fun.
9527 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9528 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9529 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9530 functions to clear out all references to def-use or use-def chains.
9532 2006-01-21 Ben Elliston <bje@au.ibm.com>
9534 * varasm.c (assemble_real): Initialise data array.
9536 2006-01-20 Paul Brook <paul@codesourcery.com>
9538 Merge from csl-arm-branch.
9539 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9540 * config/arm/arm.md (movdi): Force operands[1] to a register
9541 if we have a non-register source.
9542 (*arm_movdi, *movdf_soft_insn): Require that one of the
9543 operands be a register.
9544 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9545 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9547 2006-01-20 DJ Delorie <dj@redhat.com>
9549 * varasm.c (initialize_constant_valid_p): Allow pointers
9550 initialized from integer constants of lesser precision.
9551 (output_constant): Allow non-int-sized pointer modes to be
9552 initialized from integer constants.
9554 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9557 * cppdefault.h (struct default_include): Add multilib flag.
9558 * cppdefault.c (cpp_include_defaults): Set it.
9559 * c.opt (-imultilib): New option.
9560 * c-opts.c (imultilib): New.
9561 (c_common_handle_option): Handle -imultilib.
9562 (c_common_post_options): Likewise.
9563 * c-incpath.c (add_standard_paths, register_include_chains):
9565 * c-incpath.h (register_include_chains): Add extra parameter.
9566 * gcc.c (do_spec_1): Generate -imultilib option.
9567 (The Specs Language): Update %I description.
9568 (process_command): Update copyright notice.
9569 * doc/cppopts.texi (-imultilib): Document.
9570 * doc/invoke.texi (-imultilib): Include in option summary.
9571 (%I): Update specs documentation.
9573 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9575 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9577 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9579 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9582 2006-01-20 Richard Guenther <rguenther@suse.de>
9583 Steven Bosscher <stevenb.gcc@gmail.com>
9585 PR rtl-optimization/24626
9586 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9587 EDGE_TRUE_VALUE if in RTL mode.
9590 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9591 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9593 2006-01-20 Dirk Mueller <dmueller@suse.com>
9596 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9597 instead of a special NOP marker.
9598 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9599 NOP marker handling.
9600 * c-common.h (empty_body_warning): Add forward declaration.
9601 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9602 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9604 2006-01-20 Paul Brook <paul@codesourcery.com>
9606 * Makefile.in (lang_checks): Keep going if mkdir fails.
9608 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9610 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9611 be able to clean out basic block when not necessary.
9612 (df_scan_free): Fixed to properly delete information if df is
9613 unused before calling df_finish.
9614 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9615 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9617 (df_bb_refs_delete): New function.
9618 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9619 * df-core.c (df_set_blocks): Added code to properly clean out
9620 unused blocks if they are not part of the blocks to consider.
9621 Added additional null check.
9622 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9623 be able to clean out basic block when not necessary
9624 * df.h (df_free_bb_function): Ditto.
9625 (df_bb_refs_delete): New function.
9626 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9627 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9628 basic block parameter to be able to clean out basic block when not
9630 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9631 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9632 Fixed to properly delete information if df is unused before
9635 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9637 PR rtl-optimization/25799
9638 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9639 Corrected confluence operator to remove bits from op2 before oring
9640 with op1 rather than removing bits from op1.
9641 (df_ru_transfer_function): Corrected test on wrong bitmap which
9642 caused infinite loop. Both of these problems were introduced in
9643 the dataflow rewrite.
9645 2006-01-19 DJ Delorie <dj@redhat.com>
9647 * reload1.c (find_reload_regs): Note the details of reload
9648 failures in the dump file.
9649 (spill_failure): Likewise.
9651 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9653 * loop-iv.c: Include df.h and hashtab.h.
9654 (enum iv_grd_result): New enum.
9655 (DF_REF_IV, DF_REF_IV_SET): New macros.
9656 (struct biv_entry): New.
9657 (df, bivs): New global variables.
9658 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9659 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9661 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9662 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9663 analyzed_for_bivness_p, record_biv): New functions.
9664 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9665 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9666 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9668 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9670 (iv_number_of_iterations): Use new interface to iv analysis.
9671 * loop-unroll.c: Do not include varray.h.
9672 (analyze_iv_to_split_insn): Use new interface to iv
9674 * loop-unswitch.c (may_unswitch_on): Ditto.
9675 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9677 (df_bb_modify): Realloc tables to the new index.
9678 (df_find_use): New function.
9679 * df.h (df_find_use): Declare.
9680 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9682 * cfgloop.h (struct rtx_iv): Remove analysed field.
9683 (iv_get_reaching_def): Removed.
9684 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9685 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9686 (loop-iv.o): Add df.h and hashtab.h dependency.
9687 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9689 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9692 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9694 (__floatundisf, __floatundidf): Likewise.
9695 * libgcc2.h (IS_IBM_EXTENDED): Define.
9697 2006-01-19 DJ Delorie <dj@redhat.com>
9699 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9701 2006-01-19 Paul Brook <paul@codesourcery.com>
9703 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9704 as nothrow when unwinding tables are disabled.
9706 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9709 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9710 of bit-field" when in system header.
9712 2006-01-19 DJ Delorie <dj@redhat.com>
9714 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9715 the 16 bit shift limit of the m16c.
9717 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9720 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9721 * config/i386/i386.c (output_set_got): Output the label if we have one
9722 for the TARGET_DEEP_BRANCH_PREDICTION case.
9724 2006-01-19 Jan Hubicka <jh@suse.cz>
9725 H.J. Lu <hongjiu.lu@intel.com>
9726 Evandro Menezes <evandro.menezes@amd.com>
9728 * invoke.texi (generic): Document
9730 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9731 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9732 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9733 (x86_use_incdec, x86_pad_returns): New variables
9734 (TARGET_CPU_DEFAULT_generic): New constant
9735 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9736 (enum processor_type): Add generic32 and generic64.
9737 * i386.md (cpu attribute): Add generic32/generic64
9738 (movhi splitter): Behave sanely when both partial_reg_dependency and
9739 partial_reg_stall are set.
9740 (K8 splitters): Enable for generic as well.
9741 * predicates.md (incdec_operand): Use TARGET_INCDEC
9742 (aligned_operand): Avoid memory mismatch stalls.
9743 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9744 * ppro.md: Enable for generic32
9745 * i386.c (generic64_cost, generic32_cost): New.
9746 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9747 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9748 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9749 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9750 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9751 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9752 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9753 x86_accumulate_outgoing_args, x86_prologue_using_move,
9754 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9755 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9757 (x86_use_incdec, x86_pad_returns): New.
9758 (override_options): Add generic32 and generic64, translate "generic"
9759 to generic32/generic64 and "i686" to "generic32", refuse
9760 "generic32"/"generic64" as arch target.
9761 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9762 (ix86_reorg): Honor PAD_RETURNS.
9764 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9766 * tree-pretty-print.c (dump_generic_node): Handle
9767 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9768 * cgraph.c (cgraph_expand_queue): Rename from
9769 cgraph_analyze_queue. Update all users.
9770 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9771 cgraph_expand_queue.
9772 (cgraph_expand_all_functions): Likewise.
9773 (cgraph_finalize_pending_functions): Remove. Update callers.
9775 * tree.h (OMP_DIRECTIVE_P): Define.
9776 (OMP_PARALLEL_FN): Define.
9777 (OMP_PARALLEL_DATA_ARG): Define.
9778 (OMP_SECTIONS_SECTIONS): Define.
9779 * tree-pass.h (pass_expand_omp): Declare.
9780 * omp-low.c (struct omp_region): Declare.
9781 (struct omp_context): Remove fields 'parallel_type',
9782 'parallel_start_ix' and 'parallel_start_additional_args'.
9784 (struct omp_for_data): Rename from struct expand_omp_for_data.
9785 (omp_regions): New static variable.
9786 (root_omp_region): New static variable.
9787 (find_omp_clause): Make static.
9788 (is_in_combined_parallel_ctx): Remove.
9789 (is_combined_parallel): New.
9790 (extract_omp_for_data): Move earlier in the file.
9791 (workshare_safe_to_combine_p): New.
9792 (get_ws_args_for): New.
9793 (determine_parallel_type): Move earlier in the file.
9794 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9796 (omp_copy_decl): Likewise.
9797 (create_omp_child_function): Likewise.
9798 (lookup_omp_region): New.
9799 (dump_omp_region): New.
9800 (debug_omp_region): New.
9801 (debug_all_omp_regions): New.
9802 (new_omp_region): New.
9803 (scan_omp_parallel): If parallel_nesting_level > 1, the
9804 directive is nested within another parallel directive.
9805 Set OMP_PARALLEL_FN.
9806 (scan_omp_for): Do not try to handle combined parallel+for
9808 Remove FIXME comment.
9809 (scan_omp_nested): Remove.
9810 (scan_omp_1): Do not call scan_omp_nested when
9811 parallel_nesting_level is > 1.
9812 Do not change the DECL_CONTEXT of local variables found.
9813 (lookup_decl_in_outer_ctx): New.
9814 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9815 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9816 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9817 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9818 If CTX is nested, lookup VAR in the outer context when
9819 building copy assignment.
9820 (lower_send_clauses): Rename from expand_send_clauses.
9821 If CTX is nested, lookup VAR in the outer context when
9822 building copy assignments.
9823 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9824 If CTX is nested, lookup VAR in the outer context when
9825 building copy assignments.
9826 (expand_parallel_call): Rename from build_parallel_call.
9827 Handle combined parallel+workshare cases.
9828 Re-implement to emit code into the CFG.
9830 (expand_omp_parallel): Re-implement to emit code into the CFG.
9831 Call move_sese_region_to_fn to outline the sub-graph
9832 containing the parallel region.
9833 (expand_omp_for_1): Remove.
9834 (expand_omp_for_generic): Re-implement to emit code into the
9836 (expand_omp_for_static_nochunk): Likewise.
9837 (expand_omp_for_static_chunk): Likewise.
9838 (expand_omp_for): Likewise.
9839 (expand_omp_sections): Likewise.
9840 (remove_exit_barriers): New.
9841 (expand_omp_synch): New.
9843 (build_omp_regions_1): New.
9844 (build_omp_regions): New.
9845 (execute_expand_omp): New.
9846 (gate_expand_omp): New.
9847 (pass_expand_omp): Define.
9848 (lower_omp_sections): Rename from expand_omp_sections.
9849 Set OMP_SECTIONS_SECTIONS.
9850 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9851 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9852 (lower_omp_single): Rename from expand_omp_simple.
9853 (lower_omp_master): Rename from expand_omp_master.
9854 (lower_omp_ordered): Rename from expand_omp_ordered.
9855 (lower_omp_critical): Rename from expand_omp_critical.
9856 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9857 (lower_omp_for): Re-implement.
9858 (lower_omp_parallel): Re-implement.
9859 (lower_regimplify): Rename from expand_regimplify.
9860 (lower_omp_1): Rename from expand_omp_1.
9861 If there are syntax errors in the program, replace every
9862 OpenMP directive with NOP.
9863 Call lower_omp_* instead of expand_omp_*.
9864 (lower_omp): Rename from expand_omp.
9866 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9867 * tree-gimple.h (enum omp_parallel_type): Remove.
9868 (gimple_boolify): Declare extern.
9869 (find_omp_clause, determine_parallel_type): Remove.
9871 * gimple-low.c (lower_omp_directive): New.
9872 (lower_stmt): Call it.
9873 (record_vars_into): Move from ...
9874 (record_vars): ... here.
9875 Call record_vars_into with current_function_decl.
9877 * gimplify.c (struct gimplify_ctx): Remove fields
9878 combined_pre_p and combined_ctxp. Update users.
9879 (get_formal_tmp_var): Add documentation.
9880 (gimple_boolify): Make extern.
9881 (gimplify_expr_in_ctx): Remove. Update callers.
9882 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9883 will always be a BIND_EXPR.
9884 (gimplify_expr): Handle OMP_RETURN_EXPR.
9885 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9886 (OMP_PARALLEL): Add 3 operands.
9887 (OMP_SECTIONS): Add 1 operand.
9888 (OMP_RETURN_EXPR): Define.
9890 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9891 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9892 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9893 creating a circular free list.
9894 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9896 * tree-flow.h (move_sese_region_to_fn): Declare.
9897 (record_vars_into): Declare.
9898 * tree-cfg.c (make_omp_sections_edges): New.
9899 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9900 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9901 OMP_SECTIONS and OMP_SECTION.
9902 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9903 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9904 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9905 (gather_blocks_in_sese_region): New.
9906 (struct move_stmt_d): Declare.
9908 (move_block_to_fn): New.
9909 (move_sese_region_to_fn): New.
9911 * passes.c (init_optimization_passes): Schedule
9912 pass_expand_omp after pass_init_datastructures.
9914 * tree-ssa-operands.c (get_expr_operands): Handle
9915 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9916 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9918 2006-01-19 Jeff Law <law@redhat.com>
9920 * tree-vrp.c (extract_range_from_assert): Refine the result range
9921 if the variable referenced by the ASSERT_EXPR has a range and
9922 either the tentative result range or the previous range is a
9925 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9927 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9929 2006-01-19 Jan Hubicka <jh@suse.cz>
9931 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9933 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9935 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9936 (expand_compound_operation, expand_field_assignment): Fail if the
9937 bit lengths of an extract operation are out of range.
9938 (make_extraction): Compute wanted_inner_mode based on the position
9939 and length of the extraction. Make it extraction_mode for non-constant
9940 positions, and do not modify offset in that case. When generating a
9941 new MEM, use a mode that can hold the extraction while keeping correct
9942 alignment. Remove code that supported MEMs wrapped by USEs.
9943 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9945 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9947 * config/s390/s390.md ("Y", "y"): New mode attribute.
9948 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9949 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9950 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9951 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9952 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9953 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9954 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9955 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9956 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9957 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9958 "addsi3", "subsi3"): Insn patterns removed.
9959 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9960 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9961 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9962 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9963 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9964 "*sub<mode>3_cconly2"): New insn patterns.
9965 ("addsi3", "subsi3"): New expanders.
9967 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9969 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9970 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9971 existing STMT_VINFO_VECTYPE if available.
9972 (vect_mark_relevant): Add special handling for stmts that are
9973 marked as STMT_VINFO_IN_PATTERN_P.
9974 (vect_analyze_loop): Call vect_pattern_recog.
9975 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9976 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9978 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9979 (vect_recog_func_ptr): New function-pointer type.
9980 * tree-vect-patterns.c: New file.
9981 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9982 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9983 (vect_pattern_recog_1): New functions.
9984 (vect_pattern_recog_funcs): New array of function pointers.
9986 * tree-vectorizer.h (ternary_op): New enum value.
9987 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9988 declaration. Revised documentation. Removed redundant dump prints.
9989 Removed redundant argument. Added support for reduction patterns.
9990 (vectorizable_reduction): Added support for reduction patterns.
9991 (vect_transform_stmt): Added support for patterns.
9993 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9994 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9995 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9996 (expand_widen_pattern_expr): New function.
9997 (init_optabs): Initialize new optabs udot_prod_optab,
9999 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10000 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10001 (expand_widen_pattern_expr): New function declaration.
10002 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10004 * tree-inline.c (estimate_num_insns_1): Added cases for new
10005 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10006 * tree-pretty-print.c (dump_generic_node): Likewise.
10007 (op_prio): Likewise.
10008 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10009 * tree-ssa-operands.c (get_expr_operands): Added case for
10011 * tree-vect-patterns.c (widened_name_p): New function.
10012 (vect_recog_dot_prod_pattern): Added function implementation.
10013 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10014 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10015 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10016 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10018 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10019 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10020 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10021 (init_optabs): Initialize new optabs widen_ssum_optab,
10023 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10024 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10025 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10026 use instead of type of def.
10027 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10028 function implementation.
10029 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10030 widen_ssumv8hi): New.
10032 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10035 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10038 * c-decl.c (add_flexible_array_elts_to_size): New function.
10039 (finish_decl): Use it.
10041 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10043 * diagnostic.h: Include options.h.
10044 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10045 dependancies for diagnostic.h.
10046 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10048 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10050 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10051 (ssa_ro_call_cache_valid): Ditto.
10052 * tree-ssa-alias.c (sort_tags_by_id): New function.
10053 (init_transitive_clobber_worklist): Ditto.
10054 (add_to_worklist): Ditto.
10055 (mark_aliases_call_clobbered): Ditto.
10056 (compute_tag_properties): Ditto.
10057 (set_initial_properties): Ditto.
10058 (compute_call_clobbered): Ditto.
10059 (compute_may_aliases): Call compute_call_clobbered and grouping.
10060 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10061 (compute_flow_insensitive_aliasing): Grouping now happens in our
10063 (setup_pointers_and_addressables): Remove clobbering related code.
10064 (add_may_alias): Ditto.
10065 (replace_may_alias): Ditto.
10066 (get_nmt_for): Ditto.
10067 (create_global_var):
10068 (is_escape_site): Return an escape_type enumeration.
10069 * tree-flow-inline.h (is_call_clobbered): Global var does not
10070 imply call clobbered.
10071 (mark_call_clobbered): Take a reason for marking this. Remove
10072 marking of globalness, and cache invalidation.
10073 (clear_call_clobbered): Remove cache invalidation code.
10074 * tree-dfa.c (dump_variable): If details is on, dump the reason
10076 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10078 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10079 (struct var_ann_d): Ditto.
10080 (enum escape_type): New.
10081 (mark_call_clobbered): Adjust prototype.
10082 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10083 are never call clobbered.
10084 Record reasons for escaping.
10085 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10086 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10087 (ssa_ro_call_cache_valid): Ditto.
10088 (clobbered_v_may_defs): Ditto.
10089 (clobbered_vuses): Ditto.
10090 (ro_call_vuses): Ditto.
10091 (clobber_stats): New.
10092 (init_ssa_operands): Zero out clobber stats.
10093 (fini_ssa_operands): Print out clobber stats.
10094 (get_call_expr_operands): Pass callee fndecl to
10095 add_call_read_ops).
10096 (add_call_clobber_ops): Remove use of cache.
10097 Add use of PURE_CONST information.
10098 (add_call_read_ops): Remove use of cache.
10099 Add use of static not_read information.
10101 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10103 Introduce TLS descriptors for i386 and x86_64.
10104 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10105 (TARGET_ANY_GNU_TLS): New macro.
10106 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10107 (struct machine_function): Add tls_descriptor_call_expanded_p.
10108 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10109 (ix86_current_function_calls_tls_descriptor): Likewise.
10110 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10111 (override_options): Introduce gnu2 tls dialect.
10112 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10114 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10116 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10117 (ix86_init_machine_status): Initialize new field.
10118 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10119 (ix86_tls_module_base): New.
10120 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10121 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10122 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10123 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10124 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10125 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10126 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10127 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10128 * config/i386/predicates.md (tls_modbase_operand): New.
10129 (tp_or_register_operand): New.
10131 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10133 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10134 (look_for_address_of): Ditto.
10135 (ipa_init): Walk the function decls.
10136 (static_execute): Don't set readonly on FUNCTION_DECL's.
10138 2006-01-18 Roger Sayle <roger@eyesopen.com>
10140 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10141 for shifts where the source and destination registers are different.
10143 2006-01-18 Paul Brook <paul@codesourcery.com>
10145 Merge from csl-arm-branch.
10146 2005-03-14 Julian Brown <julian@codesourcery.com>
10147 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10148 (aeabi_llsl): Likewise.
10149 (ashrdi3): Likewise.
10150 (aeabi_lasr): Likewise.
10151 (lshrdi3): Likewise.
10152 (aeabi_llsr): Likewise.
10153 2005-03-10 Julian Brown <julian@codesourcery.com>
10154 * config.gcc: Disable shared libgcc for SymbianOS.
10155 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10157 2006-01-18 DJ Delorie <dj@redhat.com>
10159 * c-pragma.c (handle_pragma_diagnostic): New.
10160 (init_pragma): Register it.
10161 * doc/extend.texi: Document it.
10163 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10164 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10165 (diagnostic_context): Add classify_diagnostic[].
10166 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10167 as errors if they're overridden to DK_WARNING.
10168 (diagnostic_initialize): Initialize classify_diagnostic[].
10169 (diagnostic_set_kind_override): New.
10170 (diagnostic_report_diagnostic): Check for kind changes.
10171 * opts.c (common_handle_option): Take lang_mask. Update callers.
10172 Handle OPT_Werror_.
10173 * common.opt (Werror=): New.
10174 * doc/invoke.texi: Document -Werror=*
10176 2006-01-18 Jeff Law <law@redhat.com>
10178 * tree-vrp.c (test_for_singularity): Correct test for new
10179 min limit. Use operand_equal_p rather than pointer equality
10180 for testing if new min/max values are equal.
10182 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10183 using range information until after propagation and folding.
10185 2006-01-18 Richard Henderson <rth@redhat.com>
10186 Aldy Hernandez <aldyh@redhat.com>
10187 Jakub Jelinek <jakub@redhat.com>
10188 Diego Novillo <dnovillo@redhat.com>
10190 * omp-low.c: New file.
10191 * c-omp.c: New file.
10193 2006-01-18 Richard Henderson <rth@redhat.com>
10194 Jakub Jelinek <jakub@redhat.com>
10195 Diego Novillo <dnovillo@redhat.com>
10197 * doc/invoke.texi: Document -fopenmp.
10198 * tree-dump.h (debug_function): Declare.
10199 * hooks.c (hook_bool_tree_bool_false): New function.
10200 (hook_tree_tree_null): Remove.
10201 (hook_tree_tree_tree_null): New.
10202 * hooks.h: Update to match.
10203 * tree-pretty-print.c (debug_tree_chain): New.
10204 (print_generic_expr): Handle TDF_CHAIN.
10205 (dump_generic_node): Handle BLOCK.
10206 Do not abort with incomplete SWITCH_EXPRs.
10207 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10208 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10209 print space after directive name.
10210 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10211 Handle OMP_MASTER and OMP_ORDERED.
10212 Handle printing of OMP_BODY just in one place, goto
10213 dump_omp_body in the rest of OMP_* nodes that have
10215 Don't handle clause nodes here. Update omp statements to
10216 use dump_omp_clauses.
10217 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10218 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10219 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10220 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10221 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10222 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10223 Adjust output for GOMP_PARALLEL.
10224 (dump_omp_clauses): New.
10225 (print_declaration): Dump DECL_VALUE_EXPR.
10226 (op_symbol_1): Split out of op_symbol.
10227 (dumping_stmts): Remove. Update all users.
10228 * cgraph.c (cgraph_analyze_queue): New.
10229 (cgraph_add_new_function): New.
10230 * cgraph.h (cgraph_analyze_queue): Declare.
10231 (cgraph_add_new_function): Declare.
10232 (cgraph_lower_function): Remove.
10233 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10234 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10235 and TYPE_P nodes in its default clause.
10236 (empty_body_p): New.
10237 (tree_range_check_failed): New.
10238 (build5_stat): New.
10239 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10240 OMP_CLAUSE_REDUCTION_MERGE,
10241 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10242 OMP_CLAUSE_PRIVATE_DEBUG,
10243 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10244 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10245 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10246 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10247 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10248 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10249 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10250 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10251 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10252 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10253 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10254 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10255 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10256 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10257 (TREE_RANGE_CHECK): New.
10258 (empty_body_p): Declare.
10259 (enum omp_clause_default_kind): New.
10260 (build_string_literal): Declare.
10261 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10262 (build5_stat, build5): Declare.
10263 * tree-pass.h (TDF_CHAIN): Define.
10264 * tree-pass.h (PROP_gimple_lomp): Define.
10265 (pass_lower_omp): Declare.
10266 * diagnostic.h (debug_tree_chain): Declare.
10267 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10269 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10270 * builtins.c (build_string_literal): Make extern.
10271 * gcc.c (include_spec_function): New.
10272 (static_spec_functions): Add it.
10273 (main): Move load of libgomp.spec ...
10274 (LINK_COMMAND_SPEC): ... here.
10275 (link_gomp_spec): New.
10276 (static_specs): Include it.
10277 (LINK_COMMAND_SPEC): Add link_gomp.
10278 (GOMP_SELF_SPECS): New.
10279 (driver_self_specs): Include it.
10280 (switch_matches): Don't mark inline.
10281 (main): Load libgomp.spec.
10282 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10283 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10284 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10285 * tree-gimple.h (enum omp_parallel): Declare.
10286 (determine_parallel_type): Declare.
10287 (omp_firstprivatize_variable): Declare.
10288 (omp_reduction_init): Declare.
10289 (diagnose_omp_structured_block_errors): Declare.
10290 (struct walk_stmt_info): Add want_return_expr.
10291 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10292 (find_omp_clause): Declare.
10293 (insert_field_into_struct): Declare.
10294 (struct walk_stmt_info): Move from tree-nested.c
10295 (walk_stmts): Declare.
10296 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10298 * cgraphunit.c (cgraph_lower_function): Make static.
10299 (cgraph_finalize_pending_functions): New.
10300 (cgraph_finalize_function): Call it.
10301 (cgraph_finalize_compilation_unit): Likewise.
10302 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10303 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10304 (BT_FN_UINT_UINT): New.
10305 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10306 DEF_FUNCTION_TYPE_VAR_4): Document.
10307 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10308 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10309 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10310 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10311 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10312 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10313 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10314 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10315 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10316 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10317 into separate files.
10318 (DEF_GOMP_BUILTIN): New.
10319 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10320 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10321 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10322 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10323 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10324 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10325 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10326 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10327 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10328 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10329 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10330 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10331 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10332 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10333 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10334 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10335 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10336 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10337 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10338 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10339 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10340 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10341 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10342 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10343 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10344 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10345 * sync-builtins.def: New file, moved from builtins.def.
10346 * omp-builtins.def: New file, moved from builtins.def.
10347 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10348 * gimple-low.c (lower_function_body): Clear data.
10349 (lower_stmt): Do not handle COMPOUND_EXPR.
10350 Remove call to print_node_brief.
10351 * c-tree.h (c_finish_omp_clauses): New prototype.
10352 (C_DECL_THREADPRIVATE_P): Define.
10353 (lookup_name_no_remap, c_omp_remap_private): Remove
10354 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10355 (check_for_loop_decls): Update decl.
10356 (lookup_name_no_remap, c_omp_remap_private): Declare.
10357 (build_indirect_ref, build_modify_expr, pushdecl,
10358 pushdecl_top_level): Move to c-common.h.
10359 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10360 before the switch, but just in the 2 places that need it.
10361 * c-decl.c (diagnose_mismatched_decls): Do not check for
10362 mismatched thread-local attributes when OLDDECL is marked
10363 threadprivate and NEWDECL has no thread-local attributes.
10364 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10365 (c_gimple_diagnostics_recursively): Rename from
10366 c_warn_unused_result_recursively. Invoke
10367 diagnose_omp_structured_block_errors.
10368 (check_for_loop_decls): Return a singular decl found.
10369 * langhooks.c (lhd_omp_predetermined_sharing): Return
10370 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10371 (lhd_omp_firstprivatize_type_sizes): New.
10372 (lhd_omp_assignment): New.
10373 (lhd_omp_predetermined_sharing): New.
10374 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10375 (struct lang_hooks_for_types): Add
10376 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10377 omp_predetermined_sharing, omp_disregard_value_expr,
10378 omp_private_debug_clause, omp_clause_default_ctor,
10379 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10380 (c_finish_omp_clauses): New.
10381 (c_finish_bc_stmt): Diagnose break within omp for.
10382 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10383 (build_unary_op): Return error_mark after reporting
10385 (build_modify_expr): Likewise.
10386 * gimplify.c: Include optabs.h and pointer-set.h.
10387 (enum gimplify_omp_var_data): Declare.
10388 (struct gimplify_omp_ctx): Declare.
10389 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10391 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10392 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10393 (splay_tree_compare_decl_uid): New.
10394 (new_omp_context): New.
10395 (delete_omp_context): New.
10396 (gimple_add_tmp_var): Call omp_add_variable.
10397 (gimplify_bind_expr): Likewise.
10398 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10399 true, disregard DECL_VALUE_EXPR on the decl if any.
10400 (gimplify_expr_in_ctx): New.
10401 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10402 omp_add_variable, omp_notice_variable, omp_is_private
10403 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10404 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10405 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10406 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10407 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10408 gimplify_omp_atomic): New.
10409 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10410 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10411 OMP_CRITICAL and OMP_ATOMIC.
10412 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10413 * c-pragma.h (enum pragma_kind): Add
10414 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10415 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10416 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10417 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10418 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10419 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10420 PRAGMA_OMP_THREADPRIVATE.
10421 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10422 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10423 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10424 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10425 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10426 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10427 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10428 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10429 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10430 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10431 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10432 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10433 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10435 (struct nesting_info): Add field_map,
10436 suppress_expansion, debug_var_chain.
10437 (create_nesting_tree): Initialize them.
10438 (lookup_field_for_decl): Use field_map.
10439 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10440 (convert_local_omp_clauses): New.
10441 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10442 (walk_body): Split out of walk_function.
10443 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10444 (convert_nonlocal_reference): Handle omp statements.
10445 (convert_local_reference): Likewise.
10446 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10447 (unnest_nesting_tree): New.
10448 (lower_nested_functions): Call it.
10449 (insert_field_into_struct): Make extern.
10450 (struct walk_stmt_info): Move to tree-gimple.h.
10451 (walk_stmts): Make extern.
10452 * omp-builtins.def: New file.
10453 * tree-iterator.c (expr_only): Clarify comment.
10454 * c-common.h (pushdecl_top_level, pushdecl,
10455 build_modify_expr, build_indirect_ref,
10456 c_finish_omp_master, c_finish_omp_critical,
10457 c_finish_omp_ordered, c_finish_omp_barrier,
10458 c_finish_omp_atomic, c_finish_omp_flush,
10459 c_finish_omp_for, c_split_parallel_clauses,
10460 omp_clause_default_kind, c_omp_sharing_predetermined,
10461 c_omp_remap_decl): Declare.
10462 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10463 (OBJS-common): Add omp-low.o.
10464 (c-omp.o, omp-low.o): Add.
10465 (gimplify.o): Add dependency on $(OPTABS_H).
10466 (GTFILES): Add omp-low.c.
10467 (gt-stringpool.h): Add.
10468 * tree-cfg.c (set_bb_for_stmt): Do not update the
10469 block-to-labels map if we are currently expanding to RTL.
10470 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10472 Handle IDENTIFIER_NODE.
10473 (tree_verify_flow_info): Do not ICE when emitting error
10474 messages about invalid labels.
10475 (dump_function_to_file): Reset CFUN before emitting the body
10477 (debug_function): New.
10478 * passes.c (init_optimization_passes): Schedule
10480 * langhooks-def.h (lhd_omp_predetermined_sharing,
10481 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10483 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10484 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10485 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10486 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10487 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10488 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10489 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10490 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10491 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10492 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10493 (LANG_HOOK_DECLS): Use them.
10495 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10496 Richard Henderson <rth@redhat.com>
10497 Jakub Jelinek <jakub@redhat.com>
10498 Diego Novillo <dnovillo@redhat.com>
10500 * c-parser.c (pragma_omp_clause): Define.
10501 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10502 (c_parser_compound_statement): Likewise.
10503 (c_parser_statement): Likewise.
10504 (c_parser_pragma): Handle omp pragmas.
10505 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10506 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10507 (c_parser_omp_clause_name, check_no_duplicate_clause,
10508 c_parser_omp_variable_list,
10509 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10510 c_parser_omp_clause_copyprivate,
10511 c_parser_omp_clause_default,
10512 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10513 c_parser_omp_clause_lastprivate,
10514 c_parser_omp_clause_nowait,
10515 c_parser_omp_clause_num_threads,
10516 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10517 c_parser_omp_clause_reduction,
10518 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10519 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10520 c_parser_omp_atomic, c_parser_omp_barrier,
10521 c_parser_omp_critical, c_parser_omp_flush,
10522 c_parser_omp_for_loop, c_parser_omp_for,
10523 c_parser_omp_master, c_parser_omp_ordered,
10524 c_parser_omp_sections_scope, c_parser_omp_sections,
10525 c_parser_omp_parallel, c_parser_omp_single,
10526 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10527 * c-pragma.c (init_pragma): Do omp pragma registration here.
10528 * c.opt (fopenmp): New flag.
10530 2006-01-18 Eric Christopher <echristo@apple.com>
10532 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10533 * config/darwin.h (GOMP_SELF_SPECS): Define.
10535 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10537 * rtl.h: Remove the prototype for reg_alloc.
10539 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10542 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10543 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10544 sjlj and dwarf2 exception handling.
10545 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10546 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10547 * pa/pa.c (function_value): Treat complex and vector types as
10549 (function_arg): Likewise. Only pass scalar floats in the floating
10550 point argument registers.
10551 * pa/t-slibgcc-dwarf-ver: New file.
10552 * pa/t-slibgcc-sjlj-ver: New file.
10553 * pa/t-slibgcc-elf-ver: Delete file.
10555 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10557 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10558 unlikely_test_section_p test.
10560 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10562 * mode-switching.c (optimize_mode_switching): Make it static.
10563 * basic-block.h: Remove the prototype for
10564 optimize_mode_switching.
10566 * modulo-sched.c (sms_schedule): Make it static.
10567 * rtl.h: Remove the prototype for sms_schedule.
10569 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10570 * rtl.h: Remove the prototype for gcse_after_reload_main.
10572 * reg-stack.c (reg_to_stack): Make it static.
10573 * rtl.h: Remove the prototype for reg_to_stack.
10575 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10577 * rtl.h: Remove the prototypes for regrename_optimize and
10578 copyprop_hardreg_forward.
10580 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10582 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10583 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10584 Test against the appropriate null constant for the mode.
10585 If 'fixup_overlap' is true, swap the operands if they overlap.
10586 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10587 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10588 alpha_split_tmode_pair and adjust for above change.
10589 * config/alpha/alpha.md (movtf_internal): Adjust call to
10590 alpha_split_tfmode_pair and rely on it to swap the operands.
10591 (movti_internal): New insn and post-reload splitter.
10592 (movti): New expander.
10594 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10596 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10599 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10601 * rtlanal.c (global_reg_mentioned_p_1,
10602 global_reg_mentioned_p): Remove.
10603 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10605 * flow.c (initialize_uninitialized_subregs): Make it static.
10606 * rtl.h: Remove the prototype for
10607 initialize_uninitialized_subregs.
10609 * function.c (instantiate_virtual_regs): Make it static.
10610 * function.h: Remove the prototype for
10611 instantiate_virtual_regs.
10613 * regmove.c (regmove_optimize, combine_stack_adjustments):
10615 * rtl.h: Remove the prototypes for regmove_optimize and
10616 combine_stack_adjustments.
10618 2006-01-17 Roger Sayle <roger@eyesopen.com>
10620 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10621 (size_cost): Encode costs in bytes so that a reg-reg addition is
10622 equivalent to COSTS_N_INSNS(1).
10623 (override_options): Use the size_cost.branch_cost as the default
10624 ix86_branch_cost when optimizing for size.
10626 2006-01-18 Ben Elliston <bje@au.ibm.com>
10628 * Makefile.in (D32PBIT_FUNCS): New.
10629 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10630 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10631 D64PBIT_FUNCS and D128PBIT_FUNCS.
10632 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10633 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10635 (decnumber_dep): Define.
10636 * doc/libgcc.texi (Decimal float library routines): New node.
10637 * config/dfp-bit.h, config/dfp-bit.c: New files.
10639 2006-01-18 Ben Elliston <bje@au.ibm.com>
10641 * expr.c (emit_move_change_mode): Always adjust addresses, not
10642 just during reload. Copy replacements only during reload.
10643 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10644 emit_move_via_integer.
10646 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10648 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10649 instead of $(srcdir) and ${srcdir}.
10651 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10654 PR middle-end/11135
10655 * arm.h (struct machine_function): Add pic_reg.
10656 * arm.c (arm_pic_register): Make unsigned.
10657 (arm_override_options): Only set arm_pic_register if
10658 TARGET_SINGLE_PIC_BASE.
10659 (use_return_insn): Only test for a pic register if it is fixed.
10660 (arm_compute_save_reg0_reg12_mask): Likewise.
10661 (thumb_compute_save_reg_mask): Likewise.
10662 (legitimate_pic_operand): Factor out some known invariants.
10663 (legitimize_pic_address): If we don't have a fixed pic register,
10664 then set up a pseudo in the function entry sequence. Handle the
10665 pic base being in a pseudo.
10666 (arm_load_pic_register): Handle the pic register being in a pseudo.
10667 (arm_expand_prologue): Only set up the pic register if it is fixed.
10668 (thumb_expand_prologue): Likewise.
10669 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10670 (pic_load_addr_based_insn): Likewise.
10671 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10674 2006-01-18 Ben Elliston <bje@au.ibm.com>
10676 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10677 decimal float modes for all floating point registers.
10679 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10680 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10682 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10685 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10686 even when the pointer is not NULL.
10688 2006-01-16 Ian Lance Taylor <ian@airs.com>
10690 * common.opt (ftoplevel-reorder): New option.
10691 * cgraph.c (cgraph_asm_nodes): New global variable.
10692 (cgraph_asm_last_node): New static variable.
10693 (cgraph_order): New global variable.
10694 (cgraph_create_node): Set new order field.
10695 (cgraph_varpool_node): Likewise.
10696 (decide_is_variable_needed): Return true if not
10697 flag_toplevel_reorder.
10698 (cgraph_add_asm_node): New function.
10699 * cgraph.h (struct cgraph_node): Add order field.
10700 (struct cgraph_varpool_node): Add order field.
10701 (struct cgraph_asm_node): Define.
10702 (cgraph_asm_nodes, cgraph_order): Declare.
10703 (cgraph_add_asm_node): Declare.
10704 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10706 (cgraph_varpool_assemble_pending_decls): Call it.
10707 (cgraph_output_pending_asms): New static function.
10708 (cgraph_finalize_compilation_unit): Call it.
10709 (struct cgraph_order_sort): Define.
10710 (cgraph_output_in_order): New static function.
10711 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10712 !flag_toplevel_reorder case.
10713 * c-parser.c: Include "cgraph.h".
10714 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10716 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10717 than -fno-unit-at-a-time.
10718 * doc/invoke.texi (Option Summary): Mention
10719 -fno-toplevel-reorder.
10720 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10721 -funit-at-a-time documentation.
10723 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10724 Kazu Hirata <kazu@codesourcery.com>
10726 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10728 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10730 * Makefile.in (FUNCTION_H): New. Use it instead of
10731 function.h throughout the file.
10732 * function.h: Include tree.h.
10734 2006-01-17 Ben Elliston <bje@au.ibm.com>
10736 * recog.c: Separate some functions with whitespace.
10738 2006-01-16 Richard Henderson <rth@redhat.com>
10740 Merge from gomp branch:
10741 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10742 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10743 and rename from struct inline_data. Rename callee* to dst*;
10744 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10745 transform_new_cfg, transform_return_to_modify, and
10746 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10748 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10749 (copy_decl_for_dup): Remove.
10750 * tree-inline.c (struct inline_data): Move to header.
10751 (insert_decl_map): Export.
10752 (remap_decl): Update for member name changes. Use copy_decl hook.
10753 Allow for replacement to be a non-decl. Remove dead code.
10754 (remap_type_1): Check for existing mapping.
10755 (remap_type): Export.
10756 (remap_decls): Update for member name changes.
10757 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10758 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10759 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10760 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10761 (tree_function_versioning, build_duplicate_type): Likewise.
10762 (copy_body_r): Likewise. Export.
10763 (copy_decl_for_dup): Split into ...
10764 (copy_decl_for_dup_finish, copy_decl_to_var,
10765 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10766 (replace_ref_tree, inlining_p): Remove.
10768 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10770 * ifcvt.c (if_convert): Make it static.
10771 * rtl.h: Remove the prototype for if_convert.
10773 * local-alloc.c (local_alloc): Make it static.
10774 * rtl.h: Remove the prototype for local_alloc.
10776 * loop.c (loop_optimize): Make it static.
10777 * cfgloop.h: Remove the prototype for loop_optimize.
10780 2006-01-16 DJ Delorie <dj@redhat.com>
10782 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10785 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10787 * pa.md: Disparage copies between general and floating-point registers
10788 in 32-bit move patterns.
10790 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10793 * Makefile.in (check-%): Depend on site.exp instead of
10794 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10797 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10799 * global.c (global_alloc): Make it static.
10800 * rtl.h: Remove the prototype for global_alloc.
10802 2006-01-16 Richard Guenther <rguenther@suse.de>
10804 * tree-ssa-alias.c (struct used_part): Add write_only field.
10805 (get_or_create_used_part_for): Initialize it to true.
10806 (create_overlap_variables_for): Don't create structure variables
10807 for structures that only are written to.
10808 (find_used_portions): Handle MODIFY_EXPR to track whether a
10809 structure is only written to.
10811 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10813 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10815 * basic-block.h: Remove the prototype for
10816 partition_hot_cold_basic_blocks.
10818 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10820 * cppspec.c (lang_specific_spec_functions): Remove.
10821 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10822 * gcc.h (lang_specific_spec_functions): Remove.
10823 * gccspec.c (lang_specific_spec_functions): Remove.
10825 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10827 * combine.c (record_value_for_reg): Invalidate registers
10829 (record_dead_and_set_regs_1): Likewise, by passing them to
10830 record_value_for_reg.
10831 (record_dead_and_set_regs): Invalidate stores made by a
10832 call. We do not combine across a call, but we still
10833 relied on equivalences.
10835 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10837 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10838 vrp_int_const_binop returning non-constant nodes.
10840 2006-01-16 Paul Brook <paul@codesourcery.com>
10842 * config/m68k/m68k.c (output_move_const_into_data_reg):
10843 Output correct mnemonic for mvz and mvs.
10845 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10847 * rtl-factoring.c: Add sequence abstraction algorithm.
10848 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10849 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10851 (block_has_preserve_label): New function.
10852 * common.opt: Register new pass.
10853 * Makefile.in: Ditto.
10855 * timevar.def: Ditto.
10856 * tree-pass.h: Ditto.
10857 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10858 * rtl.h (make_jump_insn_raw): Add forward decl.
10859 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10861 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10862 Roger Sayle <roger@eyesopen.com>
10864 * fold-const.c (fold_minmax): New static function.
10865 (fold_binary) <MIN_EXPR>: Call it.
10866 <MAX_EXPR>: Likewise.
10867 * stor-layout.c (place_field): Use DECL_SIZE consistently
10868 in the computation of the new record size.
10870 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10872 * cse.c (cse_condition_code_reg): Make it static.
10873 * rtl.h: Remove the prototype for cse_condition_code_reg.
10875 * combine.c (combine_instructions): Make it static.
10876 * rtl.h: Remove the prototype for combine_instructions.
10878 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10881 * tree.c (get_file_function_name_long): Concatenate the first global
10882 object name with a string derived from the input filename of the object
10885 2006-01-16 Ben Elliston <bje@au.ibm.com>
10887 * config/i386/winnt-stubs.c: Update FSF address.
10888 * config/xtensa/ieee754-df.S: Ditto.
10889 * config/xtensa/ieee754-sf.S: Ditto.
10891 2006-01-14 Ian Lance Taylor <ian@airs.com>
10893 * ifcvt.c (noce_init_if_info): New static function, broken out of
10894 noce_process_if_block.
10895 (noce_process_if_block): Call noce_init_if_info.
10896 (check_cond_move_block): New static function.
10897 (cond_move_process_if_block): New static function.
10898 (process_if_block): Call cond_move_process_if_block.
10900 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10902 * cselib.c (hash_table): Rename to cselib_hash_table.
10903 (cselib_clear_table, discard_useless_values,
10904 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10905 cselib_init, cselib_finish): Adjust uses of hash_table.
10907 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10909 PR tree-optimization/25485
10910 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10911 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10912 is known to be false and true, respectively.
10914 2006-01-14 Richard Guenther <rguenther@suse.de>
10916 PR tree-optimization/22548
10917 PR tree-optimization/22555
10918 PR tree-optimization/22501
10919 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10920 * params.def (salias-max-array-elements): New parameter.
10921 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10922 * doc/invoke.texi (salias-max-array-elements): Document.
10923 * tree-flow-inline.h (var_can_have_subvars): We also handle
10925 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10927 * tree-ssa-structalias.c (params.h): Include.
10928 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10929 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10930 (get_constraint_for): For ADDR_EXPR operating on something
10931 containing an ARRAY_REF, add all subvars to the solution.
10932 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10933 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10934 for creating MUST_DEFs.
10935 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10937 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10939 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10941 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10942 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10943 number_of_iterations_le): New functions.
10944 (number_of_iterations_special): Removed.
10945 (number_of_iterations_exit): Do not use number_of_iterations_special.
10946 * tree.c (unsigned_type_for): Always return integer type.
10948 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10949 Richard Guenther <rguenther@suse.de>
10951 PR rtl-optimization/24257
10952 * gcse.c (find_moveable_store): Only consider a store movable
10953 when the SET_SRC of the insn can be assigned to a register.
10955 2006-01-14 Ian Lance Taylor <ian@airs.com>
10957 * tree.c (tree_not_class_check_failed): New function.
10958 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10959 (tree_not_class_check_failed): Declare.
10961 2006-01-13 Ian Lance Taylor <ian@airs.com>
10963 * reload1.c (do_output_reload): Add assertion rejecting a
10966 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10968 * combine.c (struct reg_stat): Add new fields truncation_label and
10970 (record_value_for_reg): Reset truncated_to_mode.
10971 (record_truncated_value): New function.
10972 (check_promoted_subreg): Call it. Rename to check_conversions.
10973 (combine_instructions): Rename check_promoted_subreg to
10975 (reg_truncated_to_mode): New function.
10976 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10977 (gen_lowpart_or_truncate): New function.
10978 (force_to_mode): Use it instead of gen_lowpart.
10980 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10982 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10983 VAR is a tag, not its type tag.
10985 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10987 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10988 alternatives to match style of other entries.
10989 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10991 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10993 PR tree-optimization/25771
10994 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10997 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11000 * tree-inline.c (declare_return_variable): If the return variable
11001 was marked as a non gimple complex, set the return slot variable
11002 to be a non gimple comple variable.
11004 2006-01-13 Richard Guenther <rguenther@suse.de>
11006 * builtins.c (expand_builtin_sincos): New function.
11007 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11009 (expand_builtin): Expand sincos using expand_builtin_sincos.
11011 2006-01-12 DJ Delorie <dj@redhat.com>
11013 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11014 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11015 so that constant shifts can be split.
11016 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11017 (m32c_valid_pointer_mode): Make static.
11018 (shift_gen_func_for): New.
11019 (m32c_prepare_shift): Use it. Split large const shifts into
11021 * config/m32c/predicates.md (shiftcount_operand): Allow more
11023 (longshiftcount_operand): New.
11024 * doc/md.texi (Machine Constraints): Document In6.
11026 2006-01-13 Ben Elliston <bje@au.ibm.com>
11028 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11029 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11032 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11034 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11035 to try to avoid clobbering pieces of structures when we know
11036 something about the whole structure.
11037 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11039 2006-01-13 Ben Elliston <bje@au.ibm.com>
11041 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11042 return in memory, as this is no limitation is no longer present.
11044 2006-01-12 DJ Delorie <dj@redhat.com>
11046 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11047 mova with fb, and for fb+0 -> An.
11049 * config/m32c/mov.md (peephole2): Fix enabling logic.
11051 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11052 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11053 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11054 FINI_ARRAY_SECTION_ASM_OP): Define.
11056 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11058 (m32c_legitimize_reload_address): New logic to reload FB to An.
11059 (m32c_output_reg_push): Add newline.
11060 (m32c_output_reg_pop): Likewise.
11062 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11064 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11066 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11068 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11070 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11072 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11075 2006-01-11 Ben Elliston <bje@au.ibm.com>
11077 * rtlanal.c (find_reg_note): Assert insn is not null.
11079 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11081 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11084 2006-01-11 Jeff Law <law@redhat.com>
11086 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11088 (mark_threaded_blocks, register_jump_thread): New functions.
11089 (thread_through_all_blocks): Remove unwanted argument. No
11090 longer rely on e->aux to communicate thread target info.
11091 Call mark_threaded_blocks. Release the threaded_blocks
11092 bitmap and threaded_edges vector when complete.
11093 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11094 (threaded_blocks): Remove.
11095 (tree_ssa_dominator_optimize): Remove initialization and
11096 finalization of threaded_blocks. Simplify call to
11097 thread_through_all_blocks.
11098 (thread_across_edge): Call register_jump_thread rather than
11099 storing thread information into e->aux.
11100 (free_all_edge_infos): Simplify now that e->aux is no longer
11101 used to communicate with thread_through_all_blocks.
11102 * tree-flow.h (thread_through_all_blocks): Update prototype.
11103 (register_jump_thread): Prototype.
11105 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11107 * df-core.c (df_compact_blocks, df_bb_replace): Use
11108 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11110 2006-01-11 Richard Guenther <rguenther@suse.de>
11112 PR tree-optimization/25734
11113 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11114 stop propagation after successful propagation to the LHS.
11116 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11118 * basic-block.h (control_flow_graph): Change the type of
11119 x_basic_block_info to VEC(basic_block,gc) *.
11120 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11122 (SET_BASIC_BLOCK): New.
11123 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11124 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11125 * cfgbuild.c (find_basic_blocks): Likewise.
11126 * cfglayout.c (fixup_reorder_chain): Likewise.
11127 * cfgrtl.c (create_basic_block_structure,
11128 rtl_create_basic_block): Likewise.
11129 * ifcvt.c (find_if_case_1): Likewise.
11130 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11133 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11135 * Makefile.in: Removed rotted odf.c entry.
11137 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11140 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11141 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11142 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11143 output pattern modifier, not %e.
11144 * config/cris/cris.c (cris_op_str): Update comment about pattern
11146 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11147 before falling through into...
11148 <case 'E'>: Redefined from old 'e' case.
11150 2006-01-11 Jan Hubicka <jh@suse.cz>
11153 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11155 2006-01-11 Jan Hubicka <jh@suse.cz>
11157 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11158 * i386.c (x86_decompose_lea): Kill.
11159 (ix86_rtx_costs): Kill.
11161 2006-01-11 Jan Hubicka <jh@suse.cz>
11163 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11164 * cgraph.h (cgraph_node): Add inline_decl.
11165 (cgraph_insert_node_to_hashtable): Declare.
11166 (save_inline_function_body): Declare.
11167 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11169 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11170 (cgraph_function_versioning): Update call of tree_function_versioning.
11171 (save_inline_function_body): New function.
11172 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11173 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11174 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11175 (cgraph_default_inline_p): Likewise.
11176 (cgraph_decide_inlining_incrementally): Likewise.
11177 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11178 (copy_bb): Kill saving; do updating of clones.
11179 (copy_cfg_body): Kill saving.
11180 (initialize_inlined-parameters): Likewise.
11181 (expand_call_inline): Likewise.
11183 (tree_function_versioning): New parameter "update_clones".
11184 (inlining_p): Kill saving.
11185 * tree-inline.h (tree_function_versioning): Update prototype.
11186 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11189 2006-01-11 Ian Lance Taylor <ian@airs.com>
11191 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11192 Allow undoing set of machine mode.
11193 (do_SUBST): Use enums instead of is_int.
11194 (do_SUBST_MODE): New function.
11195 (SUBST_MODE): New macro.
11196 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11197 reg and trying to replace reg_regno_rtx with a new register.
11198 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11199 (simplify_set): Use SUBST_MODE.
11200 (distribute_notes): Remove code that tried to update reg notes
11201 for regno_reg_rtx changes.
11203 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11205 PR tree-optimization/23109
11206 PR tree-optimization/23948
11207 PR tree-optimization/24123
11209 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11210 * tree-cfg.c (single_noncomplex_succ): New.
11211 * tree-flow.h (single_noncomplex_succ): Declare it.
11212 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11213 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11214 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11215 insert_bb, register_division_in, insert_reciprocals,
11216 replace_reciprocal, free_bb): New.
11217 (execute_cse_reciprocals_1): Rewritten.
11218 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11219 Do not commit any edge insertion. Always compute dominators and
11220 create the allocation pool.
11221 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11222 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11223 * targhooks.c (default_min_divistions_for_recip_mul): New.
11224 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11225 * passes.c (init_optimization_passes): Run recip after tree loop
11227 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11229 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11230 Kenneth Zadeck <zadeck@naturalbridge.com>
11232 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11233 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11234 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11235 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11236 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11237 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11238 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11239 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11240 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11241 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11242 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11243 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11244 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11245 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11246 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11247 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11248 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11249 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11250 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11251 DF_SCAN_POST_ALLOC): New macros.
11252 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11253 df_free_bb_function, df_local_compute_function, df_init_function,
11254 df_dataflow_function, df_confluence_function_0,
11255 df_confluence_function_n, df_transfer_function,
11256 df_finalizer_function, df_free_function, df_dump_problem_function,
11257 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11258 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11259 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11260 df_urec_bb_info, ) New types.
11261 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11263 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11264 df_analyze_simple_change_some_blocks,
11265 df_analyze_simple_change_one_block, df_compact_blocks,
11266 df_bb_replace, df_bb_regno_last_use_find,
11267 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11268 df_insn_regno_def_p, df_find_def, df_find_use,
11269 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11270 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11271 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11272 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11273 debug_df_chain, df_get_dependent_problem, df_chain_create,
11274 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11275 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11276 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11277 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11278 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11279 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11280 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11281 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11282 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11283 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11284 df_reorganize_refs, df_set_state, df_hard_reg_init,
11285 df_read_modify_subreg_p) New public functions.
11286 * df-core.c: The core dataflow solver and glue routines for rtl
11288 (df_init, df_add_problem, df_set_blocks, df_finish,
11289 df_hybrid_search_forward, df_hybrid_search_backward,
11290 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11291 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11292 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11293 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11294 df_reg_defined, df_find_use, df_reg_used, df_dump,
11295 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11296 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11297 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11298 debug_df_useno, reset_df_after_reload): New functions.
11299 * df-scan.c: The scanning fuctions, once in df.c, completely
11300 rewritten so that they now fully model the functionality of
11301 register usage at the backend.
11302 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11303 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11304 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11305 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11306 df_get_artificial_defs, df_get_artificial_uses,
11307 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11308 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11309 df_refs_delete, df_reorganize_refs, df_set_state,
11310 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11311 df_def_record_1, df_defs_record, df_uses_record,
11312 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11313 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11314 df_record_exit_block_uses, df_hard_reg_init): New functions.
11316 * df-problems.c: Seven concrete dataflow problems that use the
11317 scanning in df-scan.c and are solved by the engine in df-core.c.
11318 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11319 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11320 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11321 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11322 df_ru_free_bb_info, df_ru_alloc,
11323 df_ru_bb_local_compute_process_def,
11324 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11325 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11326 df_ru_transfer_function, df_ru_free, df_ru_dump,
11327 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11328 df_rd_free_bb_info, df_rd_alloc,
11329 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11330 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11331 df_rd_transfer_function, df_rd_free, df_rd_dump,
11332 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11333 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11334 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11335 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11336 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11337 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11338 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11339 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11340 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11341 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11342 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11343 df_urec_mark_reg_use_for_earlyclobber,
11344 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11345 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11346 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11347 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11348 df_chain_create_bb_process_use, df_chain_create_bb,
11349 df_chain_finalize, df_chain_free, df_chains_dump,
11350 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11351 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11352 df_reg_lifetime): New functions.
11353 * df.c: Deleted file.
11354 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11355 consistent with new df api.
11356 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11357 rest_of_handle_sms): Ditto.
11358 * web.c (unionfind_union, union_defs, entry_register, web_main):
11360 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11361 invariant_expr_equal_p, find_defs, check_dependencies,
11362 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11363 free_inv_motion_data, move_loop_invariants): Ditto.
11364 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11365 Update dependencies.
11366 (odf.c): Added defective entry that was deleted later in day.
11367 * sched-deps.c (sched_analyze_1): Ditto.
11369 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11371 * tree-ssa-operands.c (get_expr_operands): Record addressable
11372 variables directly. Do not call add_stmt_operands for CONST_DECLs
11374 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11375 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11377 2006-01-11 Ben Elliston <bje@au.ibm.com>
11379 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11380 function returns true in the positive case.
11382 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11385 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11386 for SI, DI, SF and DF modes. Add alternatives to copy between
11387 general and floating point registers to the 32-bit patterns.
11388 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11389 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11390 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11391 generating 64-bit code.
11392 * config/pa/pa.c (output_move_double): Handle copies between general
11393 and floating registers.
11395 2006-01-10 Stuart Hastings <stuart@apple.com>
11397 * config/i386/i386.md (set_got): Update.
11398 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11399 (builtin_setjmp_receiver): Mach-O support.
11400 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11401 (GOT_SYMBOL_NAME): Define.
11402 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11403 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11404 * config/i386/i386.c (override_options): Revise for Darwin.
11405 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11406 support. (darwin_x86_file_end): New. (output_set_got): Add label
11407 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11408 * config/i386/i386-protos.h (output_set_got): Likewise.
11409 * config/darwin.c (machopic_legitimize_pic_address): Update
11412 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11414 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11415 when MODE isn't BLKmode.
11417 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11419 PR rtl-optimization/25367
11420 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11422 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11425 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11426 for a negative bound.
11428 2006-01-10 Richard Guenther <rguenther@suse.de>
11430 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11431 Never override with anything constraint.
11433 2006-01-10 Jan Beulich <jbeulich@novell.com>
11435 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11436 256 bits when optimize_size.
11438 2006-01-10 Jan Beulich <jbeulich@novell.com>
11440 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11442 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11443 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11446 2006-01-10 Ben Elliston <bje@au.ibm.com>
11448 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11450 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11451 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11452 (USE_FP_FOR_ARG): Reject decimal float modes.
11453 (function_arg_advance): Likewise.
11454 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11455 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11456 point types in AltiVec vectors.
11457 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11458 (rs6000_libcall_value): Likewise.
11460 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11462 * config/xtensa/ieee754-df.S: New file.
11463 * config/xtensa/ieee754-sf.S: New file.
11464 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11465 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11466 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11468 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11470 * config/sh/predicates.md (binary_float_operator,
11471 binary_logical_operator, commutative_float_operator,
11472 equality_comparison_operator, greater_comparison_operator,
11473 less_comparison_operator, logical_operator,
11474 noncommutative_float_operator, shift_operator,
11475 symbol_ref_operand, unary_float_operator): Remove redundant
11478 2006-01-09 Jeff Law <law@redhat.com>
11480 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11481 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11482 now unused arguments. Callers updated.
11483 (eliminate_redundant_computations): Remove now unused arguments,
11485 (local_fold): Remove, no longer used.
11486 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11488 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11489 (simplify_cond): New function.
11490 (forward_propagate_into_cond): Call simplify_cond.
11492 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11494 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11495 (*vec_extractv2di_1_sse): New.
11497 2006-01-09 Ben Elliston <bje@au.ibm.com>
11499 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11501 2006-01-08 Richard Guenther <rguenther@suse.de>
11503 * tree-ssa-structalias.c (get_constraint_for): Remove
11504 anyoffset argument.
11505 (get_constraint_for_component_ref): Likewise.
11506 (do_deref): Likewise.
11507 (get_constraint_for): Likewise.
11508 (do_structure_copy): Likewise.
11509 (handle_ptr_arith): Likewise.
11510 (find_func_aliases): Likewise. Remove unused need_anyoffset
11513 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11514 Kaz Kojima <kkojima@gcc.gnu.org>
11516 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11517 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11518 (EXTRA_CONSTRAINT_C16): Remove.
11519 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11520 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11521 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11522 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11523 constants of SHmedia. Handle nested constant expressions of
11525 (andcosts): Fix the costs for SHmedia constants.
11526 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11527 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11528 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11529 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11530 (movv4hi_i, movv2si_i): Likewise.
11531 (movsi_const): Adjust the second operand of ior so to match with
11532 the Csu constraint.
11533 (movdi_const, movdi_const_32bit): Likewise.
11534 (movdi_const_16bit+1): Don't sign-extend LOW.
11535 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11537 (*double_shori): Fix the split condition. Use GEN_INT instead
11538 of get_int_mode calls. Mask lower 16-bit of the argument of
11540 (sym2GOTPLT): Remove.
11541 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11543 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11544 instead of EXTRA_CONSTRAINT_C16.
11546 2006-01-07 Ian Lance Taylor <ian@airs.com>
11547 David Edelsohn <edelsohn@gnu.org>
11549 PR rtl-optimization/25662
11550 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11551 for constant operands instead of simplify_gen_binary.
11552 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11553 after trying simplify_binary_operation
11555 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11557 * tree.c (iterative_hash_expr): Hash decls based on UID.
11559 2006-01-06 Eric Christopher <echristo@apple.com>
11561 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11562 (TARGET_UNWIND_EMIT): Fix spelling.
11563 * target.h (gcc_target): Add except_table_label.
11564 * except.c (output_function_exception_table): Use.
11565 * varasm.c (default_emit_except_table_label): New.
11566 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11568 (asm_out): Add here.
11569 * output.h (default_emit_except_table_label): Prototype.
11570 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11571 * config/darwin.c (darwin_emit_except_table_label): Define.
11572 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11574 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11576 PR tree-optimization/18527
11577 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11578 number_of_iterations_special, number_of_iterations_exit):
11579 Move base and step of an iv to a single structure. Add
11580 no_overflow flag, and use it in # of iterations analysis.
11581 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11582 folded_casts argument.
11583 (simple_iv): Pass base and step in a structure. Set no_overflow
11585 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11586 Evaluate expensiveness of computing # of iterations instead of
11587 the final expression.
11588 * tree-scalar-evolution.h (affine_iv): New structure.
11589 (simple_iv): Declaration changed.
11590 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11591 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11592 find_givs_in_stmt): Changed due to simple_iv change.
11594 2006-01-06 Jeff Law <law@redhat.com>
11597 * tree-cfg.c (bsi_replace): Rename final argument from
11598 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11599 change (stmt -> orig_stmt).
11600 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11601 (bsi_remove): Add new argument. Remove EH information
11603 (verify_eh_throw_table_statements): New function.
11604 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11606 * tree-optimize.c (execute_free_cfg_annotations): Verify
11607 the EH throw statement table after removing annotations.
11608 * except.h (verify_eh_throw_table_statements): Prototype.
11609 * tree-flow.h (bsi_remove): Update prototype.
11610 * tree-vrp.c (remove_range_assertions): Add new argument to
11612 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11613 * tree-complex.c (expand_complex_div_wide): Likewise.
11614 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11615 * tree-tailcall.c (eliminate_tailcall): Likewise.
11616 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11617 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11618 * tree-nrv.c (tree_nrv): Likewise.
11619 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11620 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11621 (combine_blocks): Likewise.
11622 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11623 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11624 (cleanup_control_flow): Likewise.
11625 (remove_forwarder_block): Likewise.
11626 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11627 * tree-sra.c (sra_replace): Likewise.
11628 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11629 (forward_propagate_single_use_vars): Likewise.
11630 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11631 * tree-inline.c (expand_call_inline): Likewise.
11632 * tree-vect-transform.c (vect_transform_loop): Likewise.
11633 * tree-outof-ssa.c (rewrite_trees): Likewise.
11634 * tree-cfg.c (make_goto_expr_edges): Likewise.
11635 (cleanup_dead_labels): Likewise.
11636 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11637 (bsi_move_before, bsi_move_after): Likewise.
11638 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11639 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11641 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11644 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11646 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11647 on non gimple variables. Also add checks at the top for decls and
11649 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11651 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11652 and IMAGPART_EXPR for creating MUST_DEFs.
11653 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11654 and NAME_MEMORY_TAG separately from the DECLs.
11656 2006-01-06 Richard Guenther <rguenther@suse.de>
11658 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11659 annotation, if necessary.
11660 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11661 redundant calls to update_stmt.
11662 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11665 2006-01-05 Richard Henderson <rth@redhat.com>
11667 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11669 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11671 * c-typeck.c: Update copyright date.
11673 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11675 * c-typeck.c (build_c_cast): Always warn when casting
11676 from a pointer to an integer of different size, even if
11677 the node was constant.
11679 2006-01-05 Richard Guenther <rguenther@suse.de>
11681 PR tree-optimization/22555
11682 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11683 if one structure field is an array.
11684 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11685 operands even if we found a subvar, but ignore VOPs in this
11687 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11689 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11691 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11693 PR middle-end/24998
11694 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11696 2006-01-05 Richard Guenther <rguenther@suse.de>
11697 Diego Novillo <dnovillo@redhat.com>
11699 * tree-pass.h (TODO_remove_unused_locals): Define.
11700 * gimple-low.c (expand_var_p, remove_useless_vars,
11701 pass_remove_useless_vars): Remove. Update all users.
11702 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11703 (remove_unused_locals): New function.
11704 * tree-flow.h (remove_unused_locals): Declare.
11705 * passes.c (execute_todo): Call remove_unused_locals if
11706 TODO_remove_unused_locals is set.
11707 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11708 * tree-ssa-dce.c (pass_dce): Likewise.
11709 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11711 2006-01-05 Richard Guenther <rguenther@suse.de>
11713 * tree-flow.h (struct fieldoff): Decompose field to
11714 type, size and decl.
11715 * tree-ssa-alias.c (create_sft): Take type as parameter.
11716 (create_overlap_variables_for): Store type, size and decl
11717 in the fieldoff structure.
11718 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11719 of struct fieldoff.
11720 (push_fields_onto_fieldstack): Likewise.
11721 (create_variable_info_for): Likewise. Use offset for the
11722 SFT name if the decl is not available.
11724 2006-01-04 Paul Brook <paul@codesourcery.com>
11726 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11728 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11730 * lambda-code.c (can_put_in_inner_loop): Relax
11732 (can_put_after_inner_loop): New function.
11733 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11734 (perfect_nestify): Change to make copies and modify uses.
11736 2006-01-04 Richard Henderson <rth@redhat.com>
11738 Merge from gomp branch:
11739 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11740 via integer constant.
11741 (pragma_lex): Remove.
11742 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11743 rather than parsing it.
11744 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11745 handle_pragma_extern_prefix): Add %< %> quotes.
11746 (registered_pragmas): New.
11747 (c_register_pragma_1): New.
11748 (c_register_pragma): Use it.
11749 (c_register_pragma_with_expansion): Likewise.
11750 (c_invoke_pragma_handler): New.
11751 (init_pragma): Use cpp_register_deferred_pragma directly for
11753 * c-pragma.h (enum pragma_kind): New.
11754 (pragma_handler): New.
11755 (c_invoke_pragma_handler): Declare.
11756 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11758 * c-common.h (c_common_pch_pragma): Update decl.
11759 * Makefile.in (c-parser.o): Update dependencies.
11760 (GTFILES): Add c-pragma.h.
11761 * c-parser.c (struct c_token): Add pragma_kind.
11762 (struct c_parser): Add in_pragma.
11763 (c_lex_one_token): Always initialize keyword and pragma_kind.
11764 Extract data for CPP_PRAGMA.
11765 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11766 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11767 Don't allow CPP_PRAGMA_EOL if in_pragma.
11768 (c_parser_consume_pragma): New.
11769 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11770 (c_parser_skip_to_end_of_parameter): Likewise.
11771 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11772 (c_parser_skip_to_pragma_eol): New.
11773 (c_parser_external_declaration): Handle CPP_PRAGMA.
11774 (c_parser_compound_statement_nostart): Likewise.
11775 (c_parser_statement_after_labels): Likewise.
11776 (c_parser_pragma): New.
11777 (pragma_lex): Likewise.
11778 (c_parser_pragma_pch_preprocess): New.
11779 (c_parser_new): Merge into ...
11780 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11782 2006-01-04 Jeff Law <law@redhat.com>
11785 * tree-cfg.c (bsi_replace): Remove the original statement
11786 from the EH throw statement table.
11788 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11790 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11791 make the prototype extern "C" and add throw ().
11794 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11795 and pos non-negative and pos + len <= 32.
11796 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11797 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11798 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11801 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11802 as well as sizes not multiple of component size.
11805 * function.c (instantiate_expr): New function.
11806 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11807 walk its DECL_VALUE_EXPR with instantiate_expr.
11809 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11810 DW_OP_deref{,_size} if address isn't going to be added.
11812 2006-01-04 Ben Elliston <bje@au.ibm.com>
11814 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11815 * config/fp-bit.c: Likewise.
11817 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11819 * dominance.c: Add comment about why we use DFS numbering
11822 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11823 Richard Henderson <rth@redhat.com>
11825 Merge from gomp-branch:
11826 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11827 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11829 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11831 PR rtl-optimization/25578
11832 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11833 pass a parameter to simplify_shift_const if changing ASHIFTRT
11836 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11838 * builtins.c (get_builtin_sync_mem): New function.
11839 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11840 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11841 Call get_builtin_sync_mem to generate mem rtx.
11843 2006-01-03 Richard Guenther <rguenther@suse.de>
11846 * stmt.c (add_case_node): Make sure to clear overflow flags
11849 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11851 Merge from gomp-branch.
11852 * config/sparc/sync.md: New file.
11853 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11854 UNSPECV_LDSTUB): New constants.
11855 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11856 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11857 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11860 2006-01-03 Roger Sayle <roger@eyesopen.com>
11862 * combine.c (reg_subword_p): New predicate to test whether the
11863 destination of a set refers to a subword/piece of a register.
11864 (try_combine): Generalize the code to merge the setting of a
11865 pseudo to a constant followed by a set of a subword of that
11866 register to a constant.
11868 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11870 * basic-block.h (control_flow_graph): Change the type of
11871 x_label_to_block_map to VEC(basic_block,gc) *.
11872 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11873 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11875 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11876 VEC(basic_block,heap) *.
11877 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11878 ssa_prop_fini): Adjust the uses of cfg_blocks.
11880 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11882 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11884 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11885 hashing trees instead of a pointer hash.
11886 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11887 compare for MEM_EXPR.
11889 PR rtl-optimization/25130
11890 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11891 when comparing MEMs for GCSE
11893 2006-01-03 Ben Elliston <bje@au.ibm.com>
11895 * targhooks.h (default_decimal_float_supported_p): Declare.
11896 * targhooks.c (default_decimal_float_supported_p): Define.
11897 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11898 `default_decimal_float_supported_p'.
11899 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11901 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11903 * combine.c (apply_distributive_law <SUBREG>): Check
11904 TRULY_NOOP_TRUNCATION.
11906 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11908 * dwarf2out.c (have_switched_text_section): Delete.
11909 (have_multiple_function_sections): New.
11910 (have_location_lists): Make 'bool'.
11911 (add_AT_loc_list): Use 'true' not '1'.
11912 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11913 (output_loc_list): Use have_multiple_function_sections.
11914 (output_ranges): Likewise.
11915 (dwarf2out_begin_function): Set have_multiple_function_sections if
11917 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11918 Check function_section rather than DECL_SECTION_NAME.
11919 (dwarf2out_finish): Use have_multiple_function_sections.
11920 Don't clear have_location_lists.
11922 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11923 Jan Hubicka <jh@suse.cz>
11925 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11926 case of conditional jump jumping to the next instruction.
11927 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11928 cases of conditional jump jumping to the next instruction.
11930 2006-01-02 Jan Hubicka <jh@suse.cz>
11932 * i386.c (*_cost): Add COSTS_N_INSNS.
11933 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11935 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11938 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11940 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11942 * config/arm/arm.c (all_fpus): Fix comment typo.
11943 * config/darwin.c: Likewise.
11944 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11945 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11946 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11948 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11950 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11951 (rs6000_split_compare_and_swapqhi): New.
11952 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11953 (sync_compare_and_swapqhi_internal): New.
11954 * config/rs6000/rs6000-protos.h: Declare.