1 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4 * c-common.c (fold_offsetof_1): Handle static members.
6 2006-06-04 Eric Christopher <echristo@apple.com>
8 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9 (debug_rli): Output value for remaining_in_alignment.
10 (update_alignment_for_field): Unconditionalize
11 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
13 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
14 ms_bitfield_layout_p code. Rewrite handling of structure fields.
15 * tree.h (record_layout_info_s): Remove prev_packed.
16 * doc/extend.texi (ms_struct): Add documentation of format.
18 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
20 * tree.h: Declare folding_initializer.
21 * builtins.c (fold_builtin_constant_p): Give definite answer
22 if folding inside an initializer.
23 * fold-const.c: Define folding_initializer.
24 (START_FOLD_INIT): Save and then set folding_initializer.
25 (END_FOLD_INIT): Restore folding_initializer.
27 2006-06-04 Richard Guenther <rguenther@suse.de>
29 PR tree-optimization/27039
30 * fold-const.c (fold_comparison): Handle pointer comparison
31 again for all comparison codes. Compare offsets in signed
33 (fold_binary): Move code from here.
35 2006-06-03 Roger Sayle <roger@eyesopen.com>
38 * config/i386/i386.c (construct_container): Split static issued_error
39 flag into issued_sse_arg_error, issued_sse_ret_error and
40 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
41 requires the use of x87 registers and the user explicitly
42 specified the -mno-80387 command line option.
44 2006-06-02 Geoffrey Keating <geoffk@apple.com>
46 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
47 HAVE_DECL_SIGALTSTACK.
49 (segv_handler): Use MC_FLD.
50 * configure.ac: Check for a sigaltstack declaration.
51 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
52 * configure: Regenerate.
53 * config.in: Regenerate.
55 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
58 * Makefile.in (stmp-fixinc): Fix typo.
60 2006-06-02 Roger Sayle <roger@eyesopen.com>
62 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
63 are type correct. Clean-up.
64 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
65 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
67 2006-06-01 DJ Delorie <dj@redhat.com>
69 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
70 shift, as we've disabled the "switch" insn that needs it.
72 2006-06-01 Per Bothner <bothner@bothner.com>
74 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
75 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
76 * c-ppoutput.c (cb_define): Don't increment line 0.
78 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
80 * doc/invoke.texi: Add cpu_type power6.
81 * config.gcc: Add cpu_type power6.
82 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
83 to power5+ with Altivec.
84 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
85 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
87 2006-05-30 Anatoly Sokolov <aesok@post.ru>
89 * config/avr/avr.h (SET_ASM_OP): Define.
91 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
93 * config/bfin/bfin.c: Fix comment typos.
95 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
98 * doc/install.texi: Document --enable-bootstrap and
101 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
103 * doc/install.texi: Document that InfoZIP can replace jar.
105 2006-05-31 Roger Sayle <roger@eyesopen.com>
107 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
108 isn't available, directly generate the simpler x87 patterns without
109 the (use (const_int 0)).
110 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
111 implementation isn't available.
112 (*negdf2_1): Likewise.
113 (*negxf2_1): XF mode negation is always done using the x87.
114 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
116 2006-05-31 Roger Sayle <roger@eyesopen.com>
118 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
119 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
121 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
123 2006-05-31 Jie Zhang <jie.zhang@analog.com>
125 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
126 * config/bfin/bfin.c (basic-block.h): Include.
127 (struct machine_function): New.
128 (bfin_init_machine_status): New.
129 (override_options): Initialize init_machine_status.
130 (bfin_hardware_loop): New.
131 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
132 (DEF_VEC_P (loop_info)): New.
133 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
134 (struct loop_info): New.
135 (loop_info): New typedef.
136 (struct loop_work): New.
137 (loop_work): New typedef.
138 (DEF_VEC_O (loop_work)): New.
139 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
140 (bfin_dump_loops): New.
141 (bfin_bb_in_loop): New.
142 (bfin_scan_loop): New.
143 (bfin_optimize_loop): New.
144 (bfin_reorg_loops): New.
145 (bfin_reorg): Use bfin_reorg_loops.
146 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
148 (I_REGNO_P): Simplify.
149 (DP_REGNO_P, DPREG_P): New macros.
150 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
151 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
152 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
153 Add LT_REGS, LC_REGS, LB_REGS.
154 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
156 (REGNO_REG_CLASS): Deal with loop registers.
157 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
159 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
160 New constants for loop registers.
161 (UNSPEC_LSETUP_END): New.
162 (seq_insns): New define_attr. Set it for appropriate insns.
163 (movsi_insn): Add alternatives for move from/to
164 loop count registers.
165 (doloop_end): New define_expand.
166 (loop_end): New define_insn.
167 (define_split for bad doloop_end): New.
168 (lsetup_with_autoinit): New define_insn.
169 (lsetup_without_autoinit): New define_insn.
170 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
171 * config/bfin/predicates.md (lc_register_operand): New.
172 (lt_register_operand): New.
173 (lb_register_operand): New.
174 (nondp_register_operand): New.
175 (nondp_reg_or_memory_operand): New.
176 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
178 2006-05-31 Jie Zhang <jie.zhang@analog.com>
180 * config/bfin/bfin.c (bfin_delegitimize_address): New.
181 (TARGET_DELEGITIMIZE_ADDRESS): Define.
183 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
185 * Makefile.in (CATALOGS): Add po/ prefix.
186 * configure: Regenerated.
188 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
191 * arm.c (arm_print_operand case 'S'): Validate that the operand is
192 a shift operand before calling shift_op. Avoid redundant call of
195 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
196 DJ Delorie <dj@redhat.com>
198 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
199 we're inserting is a singlt-bit constant.
201 2006-05-30 Roger Sayle <roger@eyesopen.com>
203 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
204 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
206 2006-05-30 Roger Sayle <roger@eyesopen.com>
208 PR tree-optimization/23452
209 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
210 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
211 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
212 complex values and with -ffast-math for FP complex values.
214 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
216 * c-common.h: Remove the prototype for yyparse.
217 * rtl.h: Remove the prototype for init_loop.
219 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
221 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
224 2006-05-30 Roger Sayle <roger@eyesopen.com>
226 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
228 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
229 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
231 2006-05-30 Dirk Mueller <dmueller@suse.de>
234 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
235 for CONSTANT_CLASS_P expresisons.
237 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
240 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
242 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
244 PR tree-optimization/27779
245 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
246 initial_condition instead of CHREC_LEFT.
248 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
250 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
251 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
252 Make prototypes ISO C90.
254 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
255 Leehod Baruch <leehod.baruch@weizmann.ac.il>
257 * see.c (see_analyze_one_def): Correct check.
258 (see_get_extension_data): Check if extension is parallel.
259 (see_get_extension_reg): Likewise.
261 2006-05-30 Uros Bizjak <uros@kss-loka.si>
264 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
265 into register for (code == GTU).
267 2006-05-29 Roger Sayle <roger@eyesopen.com>
269 PR tree-optimization/24964
270 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
271 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
272 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
273 abs(x)*abs(x) as x*x for scalar floating point modes.
275 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
278 * lambda-code.c (perfect_nestify): Don't copy statements
279 in the inner loop: move them to the inner loop header.
281 2006-05-29 Diego Novillo <dnovillo@redhat.com>
284 * c-tree.texi: Document OpenMP directives and clauses.
286 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
288 * varasm.c (globalize_decl): Fix indentation.
290 2006-05-29 Diego Novillo <dnovillo@redhat.com>
293 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
294 pass_fre, pass_store_ccp, pass_copy_prop,
295 pass_store_copy_prop, pass_merge_phi, pass_nrv,
296 pass_return_slot, pass_object_size, pass_lim,
297 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
298 pass_loop_prefetch and pass_stdarg.
300 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
302 * config/bfin/bfin.opt (mfdpic): New option.
303 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
304 (EXTRA_MULTILIB_PARTS): Likewise.
305 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
306 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
308 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
309 (CRT_CALL_STATIC_FUNCTION): New.
310 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
312 (CRT_CALL_STATIC_FUNCTION): New.
313 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
315 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
316 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
317 (initialize_trampoline): Changed to handle FD-PIC code generation.
318 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
319 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
320 (override_options): Disallow -mid-shared-library -mfdpic combination.
321 Can't do unaligned ops if FD-PIC.
322 Turn off flag_pic if trying to generate non-id-shared-library
323 non-fdpic code, since it's not supported.
324 (bfin_assemble_integer): New function.
325 (TARGET_ASM_INTEGER): Define.
326 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
328 * config/bfin/crtn.s: Restore them.
329 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
331 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
332 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
333 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
334 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
335 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
337 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
338 FDPIC_REGS and FDPIC_FPTR_REGS.
339 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
340 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
341 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
342 (load_funcdescsi): New pattern.
343 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
344 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
345 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
347 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
349 * gcse.c, rtlanal.c: Remove obsolete comments associated with
352 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
354 * tree-flow.h: Remove the prototype for add_type_alias.
355 * tree-ssa-alias.c (add_type_alias): Remove.
357 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
359 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
360 config/fr30/fr30.md, config/i386/i386-interix.h,
361 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
362 config/sh/superh64.h, config/v850/v850.c, df-core.c,
363 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
364 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
365 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
366 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
367 Follow spelling conventions.
368 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
369 Follow spelling conventions.
371 2006-05-27 Richard Guenther <rguenther@suse.de>
374 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
375 to produce a constant of value 1 of generic type.
377 2006-05-27 Dirk Mueller <dmueller@suse.de>
379 * cgraphunit.c (decide_is_function_needed): Fix wrong
382 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
384 PR rtl-optimization/27661
385 * reload.c (find_reloads): When reloading a VOIDmode constant
386 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
387 use Pmode as mode of the reload register.
389 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
391 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
392 is enabled at -O and above.
394 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
397 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
400 2006-05-25 Mark Mitchell <mark@codesourcery.com>
403 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
404 for anonymous variables explicitly declared by front ends.
406 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
408 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
409 (struct alias_info): Add new field ref_all_symbol_mem_tag.
410 * tree-ssa-alias.c (compute_may_aliases): If the program contains
411 ref-all pointers, run a finalization pass for them.
412 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
413 (finalize_ref_all_pointers): New function.
414 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
415 regular pointer type to a ref-all pointer type.
416 (get_tmt_for): Return the special memory tag for ref-all pointers.
418 2006-05-25 Richard Guenther <rguenther@suse.de>
421 * fold-const.c (fold_binary): Do not look at the stripped
422 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
424 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
426 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
427 for LT and GT if the computed range is effectively empty.
429 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
432 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
433 mips_quad_format formats instead of ieee_single_format,
434 ieee_double_format and ieee_quad_format formats, respectively.
436 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
438 PR tree-optimization/27639
439 PR tree-optimization/26719
440 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
441 call to scev_probably_wraps_p.
442 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
443 used_in_pointer_arithmetic_p, convert_step): Removed.
444 (nowrap_type_p): New function.
445 (scev_probably_wraps_p): Rewritten.
446 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
447 chrec_convert if chrec_convert_aggressive might have been used.
448 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
449 scev_direction): New functions.
450 (chrec_convert): Changed to a wrapper over chrec_convert_1.
451 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
452 instead of convert_step.
453 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
454 (convert_step): Declaration removed.
455 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
457 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
459 * df-core.c: Added to header comments.
460 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
461 df_ur_bb_info, df_urec_bb_info): Added comments.
462 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
463 urec, ri problems): Fixed header comments.
464 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
465 code from df_rd_transfer_function.
467 2006-05-23 Richard Sandiford <richard@codesourcery.com>
469 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
470 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
471 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
473 2006-05-23 Joseph Myers <joseph@codesourcery.com>
475 * expr.c (undefined_operand_subword_p): New.
476 (emit_move_multi_word): Do not generate move from undefined bits
477 of a paradoxical subreg.
479 2006-05-23 Richard Sandiford <richard@codesourcery.com>
481 PR rtl-optimization/27736
482 * combine.c (replaced_rhs_value): New variable.
483 (combine_instructions): Set it.
484 (distribute_notes): When distributing a note in replaced_rhs_insn,
485 check whether the value was used in replaced_rhs_value.
487 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
490 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
491 add_referenced_var instead of add_referenced_tmp_var.
492 * tree-complex.c (create_one_component_var): Use add_referenced_var.
493 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
495 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
496 tree_optimize_tail_calls_1): Use add_referenced_var.
497 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
498 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
499 Use add_referenced_var.
500 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
501 * gimplify.c (force_gimple_operand): Use add_referenced_var.
502 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
503 Use add_referenced_var.
504 * tree-dfa.c (struct walk_state): Remove.
505 (find_referenced_vars): Remove walk state and vars_found hash table.
506 (make_rename_temp): Use add_referenced_var.
507 (find_vars_r): Pass less parameters to add_referenced_var.
508 (referenced_var_p): New. Is var in referenced_var hash table.
509 (referenced_var_insert): Assert var isn't already in hash table.
510 (add_referenced_var): Don't need walk_state parameter. Add var if it
511 isn't already in the hash table.
512 (add_referenced_tmp_var): Remove.
513 (find_new_referenced_vars_1): Use add_referenced_var.
514 * tree-ssa-pre.c (create_expression_by_pieces,
515 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
516 Use add_referenced_var.
517 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
518 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
519 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
521 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
522 vect_create_data_ref_ptr, vect_create_destination_var,
523 vect_init_vector, vect_build_loop_niters,
524 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
525 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
526 Use add_referenced_var.
527 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
528 * tree-flow.h (add_referenced_tmp_var): Remove prototype
529 (add_referenced_var): Add prototype.
530 * tree-ssa-structalias.c (get_constraint_for,
531 intra_create_variable_infos): Use add_referenced_var.
533 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
535 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
536 big-endian paradoxical subregs.
537 * var-tracking.c (struct micro_operation_def): Document that,
538 for modify micro operations, insn is the subsequent instruction.
539 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
540 (var_reg_set, var_mem_set): ... new functions.
541 (add_stores): Record subsequent insn.
542 (compute_bb_dataflow): Use new functions for MO_USE.
543 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
544 notes after the insn, and modify notes before the insn known
545 to be the subsequent one.
546 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
548 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
551 * config/i386/i386.c (ix86_expand_builtin): Use
552 gen_sse3_monitor64 for TARGET_64BIT.
554 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
556 PR rtl-optimization/26375
557 PR rtl-optimization/26855
558 * df-problems (df_ru_bb_local_compute_process_def): Removed update
560 (df_ru_bb_local_compute): Reversed statements and removed bogus
561 comment explaining why they should be in wrong order.
562 (df_ru_dump, df_rd_dump): Enhanced debug info.
563 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
565 * ddg.c (add_deps_for_def): Converted use of reaching defs to
566 reaching uses and fixed space problem.
568 2006-05-23 Jan Hubicka <jh@suse.cz>
570 * cgraphunit.c (decide_is_function_needed): Also nested functions
571 and functions declared inline can be optimized out at -O0.
573 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
575 * doc/install.texi (Configuration): Remove reference to CrossGCC
576 FAQ which was hijacked.
579 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
582 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
583 ix86_compare_emitted is non-NULL.
585 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
588 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
591 2006-05-22 Richard Sandiford <richard@codesourcery.com>
593 PR rtl-optimization/25514
594 * combine.c (replaced_rhs_insn): New variable.
595 (combine_instructions): Set replaced_rhs_insn when trying to replace
596 a SET_SRC with a REG_EQUAL note.
597 (distribute_notes): Use replaced_rhs_insn when determining the live
598 range of a REG_DEAD register.
600 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
601 Anatoly Sokolov <aesok@post.ru>
603 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
604 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
605 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
606 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
607 atmega3290, atmega649, atmega6490, atmega406, atmega640,
608 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
609 at90usb647, at90usb1286 and at90usb1287 devices.
610 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
611 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
613 2006-05-22 Richard Sandiford <richard@codesourcery.com>
615 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
617 2006-05-22 Richard Guenther <rguenther@suse.de>
620 2006-01-31 Richard Guenther <rguenther@suse.de>
621 Paolo Bonzini <bonzini@gnu.org>
623 * doc/install.texi (--disable-libgcc-math): Document.
625 2006-05-22 Richard Guenther <rguenther@suse.de>
628 2006-01-31 Richard Guenther <rguenther@suse.de>
630 * doc/invoke.texi (-msselibm): Document.
631 * target.h (expand_library_builtin): New target hook.
632 * builtins.c (expand_builtin): Use expand_library_builtin.
633 (default_expand_library_builtin): New function.
634 * gcc.c (LINK_GCC_MATH_SPEC): Define.
635 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
636 (link_gcc_math_spec): Declare.
637 (static_specs): Add link_gcc_math_spec.
638 * expr.h (default_expand_library_builtin): Declare.
639 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
640 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
641 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
642 * config/i386/i386.opt (msselibm): New target option.
643 * config/i386/i386.c (ix86_builtin_function_variants): New array.
644 (ix86_init_sse_abi_builtins): New function.
645 (ix86_expand_library_builtin): Likewise.
646 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
647 (override_options): Handle error conditions wrt -msselibm.
648 (ix86_builtins): Add function codes for SSE2 ABI builtins.
649 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
650 * doc/extend.texi (__builtin_sse2_*): Document new target specific
653 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
656 * c-common.c (self_promoting_args_p): Skip erroneous args.
659 * c-decl.c (finish_struct): Skip erroneous fields.
661 2006-05-22 Nick Clifton <nickc@redhat.com>
663 * config/cris/cris.opt (march): Remove VarExists attribute.
664 (max-stackframe=): Likewise.
666 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
668 * doc/rtl.texi: Fix a typo.
669 * see.c: Fix comment typos.
671 * tree-ssa-structalias.h (alias_info): Remove num_references.
673 2006-05-21 Mike Stump <mrs@apple.com>
675 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
677 (darwin_pragma_options): Use BAD instead.
678 (darwin_pragma_unused): Likewise.
679 (darwin_pragma_ms_struct): Likewise.
681 2006-05-21 David Edelsohn <edelsohn@gnu.org>
683 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
685 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
687 PR rtl-optimization/27671
688 * simplify-rtx.c (simplify_relational_operation_1): Fix
689 simplifications of (eq/ne (xor x y) y) and
692 PR tree-optimization/26622.
693 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
696 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
698 * tree-cfg.c: Prune whitespace.
699 (debug_tree_cfg): Point to correct header containing the
702 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
705 * cgraphunit.c (verify_cgraph_node): Typo in error message.
707 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
710 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
711 or sorry count is non zero.
713 2006-05-20 Andreas Schwab <schwab@suse.de>
715 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
717 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
718 Kenneth Zadeck <zadeck@naturalbridge.com>
720 PR rtl-optimization/26855
722 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
724 (df_scan_alloc): Added code to properly handle multiword hard
725 registers and add all_blocks parameter.
726 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
727 code to properly handle multiword hard registers.
728 (df_rescan_blocks): Added code to remove deleted blocks from
730 (df_ref_create_structure, df_ref_record): Added code to properly
732 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
733 and set DF_REF_PARTIAL.
734 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
735 (df_uses_record): Added DF_REF_PARTIAL for subreg.
736 (df_scan_add_problem): Added flags parameter.
737 (df_ref_create_structure): Changed switching structure.
738 (df_bb_refs_record): Fixed case where duplicate artificial refs
739 were created. Changed location of flags.
740 (df_record_entry_block_defs): Added code to make stack pointer
741 live in entry block. Refined cases where frame pointer is needed.
742 Changed location of flags.
743 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
744 (df_set_state): Removed function.
745 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
746 df_insn_create_insn_record, df_insn_refs_delete,
747 df_ref_create_structure): Formatting changes.
748 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
749 df_delete_basic_block): New function.
750 (df_init): Changed location of flags.
751 (df_add_problem): Added flags parameter and the way flags are
753 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
754 debug_df_chain): Improved debugging output.
755 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
756 (df_refs_chain_dump): Removed df parameter.
757 (df_iterative_dataflow): Added consistency check.
758 (df_prune_to_subcfg): Made public.
759 (df_analyze_problem): Added blocks_to_init parameter and made
761 (df_ref_record, df_bb_refs_record, df_mark_reg,
762 df_record_exit_block_uses): Whitespace changes.
763 (df_dump): Whitespace changes.
764 * df.h: Some reordering to remove forward references.
765 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
766 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
767 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
768 (dataflow.flags): New field.
769 (df.flag): Deleted field.
770 (df_alloc_function): Added additional bitmap parameter.
771 (df_dependent_problem_function): New type.
772 (df_problem.changeable_flags): New field.
773 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
774 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
775 (df_mw_hardreg): New struct.
776 (DF_INSN_UID_MWS): New macro.
777 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
779 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
780 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
781 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
782 (df_set_state): Removed function.
783 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
784 * df-problems.c (df_chain_dump): Removed df parameter.
785 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
786 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
788 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
789 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
790 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
791 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
792 DF_REF_MUST_CLOBBER cases.
793 (df_ru_bb_local_compute_process_def,
794 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
795 df_lr_bb_local_compute, df_ur_bb_local_compute,
796 df_chain_create_bb): Made subreg aware.
797 (df_ru_bb_local_compute, df_rd_bb_local_compute,
798 df_lr_bb_local_compute, df_lr_bb_local_compute,
799 df_chain_create_bb): Cleanup to use proper macros.
800 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
801 code to fixup bitvectors.
802 (df_ri_alloc): Cleared lifetime.
803 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
804 df_create_unused_note): New function.
805 (df_ri_bb_compute, df_ri_compute): Added code to create/update
806 REG_DEAD and REG_UNUSED notes as well as register information.
807 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
808 df_chains_dump): Fixed crash if problem was never run.
809 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
810 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
811 df_ri_add_problem): Processes flags in uniform manner.
812 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
813 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
814 df_rd_dump, df_urec_free_bb_info): Formatting changes.
815 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
816 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
817 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
818 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
819 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
820 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
821 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
822 * see.c (see_initialize_data): Ditto.
823 * final.c (rest_of_clean_state) Added regstack_completed.
824 * rtl.h (regstack_completed): Ditto.
825 * reg-stack.c (regstack_completed): Ditto.
827 2006-05-19 Mike Stump <mrs@apple.com>
829 * c-tree.h (default_conversion): Remove.
830 * c-common.h (default_conversion): Add.
832 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
834 * tree-vrp.c (valid_value_p): New function.
835 (adjust_range_with_scev): Fail if the value of bound is not
838 2006-05-19 Richard Sandiford <richard@codesourcery.com>
840 * config/mips/linux-unwind.h: Include <asm/unistd.h>
841 (mips_fallback_frame_state): Use syscall numbers to determine
842 the appropriate li instruction for the current ABI. Only use
843 __NR_sigreturn for o32.
845 2006-05-19 Nicolas Setton <setton@adacore.com>
847 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
848 * langhooks.c (lhd_dwarf_name): New function.
849 * langhooks-def.h (lhd_dwarf_name): Declare.
850 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
851 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
852 * ada/misc.c (gnat_dwarf_name): New function.
853 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
855 2006-05-19 Richard Sandiford <richard@codesourcery.com>
857 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
859 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
860 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
861 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
862 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
863 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
864 determine the size of Wtype, etc.
865 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
866 (swfloatfuncs): New variable.
867 (dwfloatfuncs): Likewise.
868 (lib2funcs): Remove floating-point conversion functions from
869 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
870 the set of conversion routines needed. Allow entries to specify
871 an object name, filename and word size. Update users accordingly.
872 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
873 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
877 2006-02-08 Roger Sayle <roger@eyesopen.com>
880 * config/fixtfdi.c: New libgcc source file.
881 * config/fixunstfdi.c: New source file.
882 * config/floatditf.c: New source file.
883 * config/floatunditf.c: New souce file.
884 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
885 files above instead of config/mips/_tilib.c.
886 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
888 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
890 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
891 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
893 2006-05-18 Mike Stump <mrs@apple.com>
895 Fix up vla, vm and [*] sematics.
901 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
902 (c_vla_unspec_p): Add.
904 * c-decl.c (struct c_scope): Add had_vla_unspec.
905 (build_array_declarator): Add support for [*].
906 (grokdeclarator): Likewise.
907 (grokparms): Likewise.
908 (get_parm_info): Likewise.
909 * c-objc-common.c (c_vla_unspec_p): Likewise.
910 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
911 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
912 typeof when argument is a variably modified type not inside sizeof or alignof.
913 (c_parser_direct_declarator_inner): Propagate errors.
914 (c_parser_sizeof_expression): Add support for [*].
915 (c_parser_parms_declarator): Initialize had_vla_unspec.
916 (c_parser_parms_list_declarator): Likewise.
917 * c-typeck.c (c_vla_type_p): Add.
918 (composite_type): Add support for vla compositing.
919 (comptypes_internal): Add support for vla compatibility.
920 (c_expr_sizeof_expr): Evaluate vla arguments.
921 * tree.c (variably_modified_type_p): Update comment for [*].
923 2006-05-18 Michael Matz <matz@suse.de>
926 * config.host: Make assignments to host_xmake_file cumulative.
927 * config.host (*-darwin*): Test $host, not $target.
929 2006-05-12 Stuart Hastings <stuart@apple.com>
931 * config/i386/i386.opt (-mstackrealign): New flag.
932 * config/i386/i386.c (force_align_arg_pointer): New attribute.
933 (ix86_handle_cconv_attribute): Emit error when
934 force_align_arg_pointer attribute collides with too many regparms.
935 (ix86_function_regparm): Limit regparms when used with
936 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
937 Support stack-realigning prologue in non-main functions. Emit
938 warning for nested functions under -mstackrealign, emit error for
939 nested functions with force_align_arg_pointer attribute.
940 * doc/extend.texi (force_align_arg_pointer): Document it.
941 * doc/invoke.texi (-mstackrealign): Document it.
943 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
945 PR rtl-optimization/27477
946 * combine.c (try_combine): Don't split a parallel consisting
947 of two sets into two individual sets if both sets reference
950 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
952 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
953 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
955 * doc/options.texi (VarExists): Updated.
957 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
959 * unwind-dw2.c: Add declarations for uw_update_context and
961 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
962 detected, advance frame state and context once to skip over stub.
964 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
968 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
969 Call rewrite_into_loop_closed_ssa only when something changed.
970 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
971 * lambda-code.c (can_convert_to_perfect_nest): Declared.
972 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
973 Test for perfect_nest_p here. Fix formating.
974 (replace_uses_equiv_to_x_with_y): Fix formating.
975 (stmt_uses_op): Removed.
976 (can_convert_to_perfect_nest): Removed loopivs parameter.
977 Complete the test by checking the scalar dependences.
978 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
981 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
984 From Dan Kegel <dank@kegel.com>:
985 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
987 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
989 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
990 if the element type is variably modified without recursing.
992 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
995 * tree-loop-linear.c (try_interchange_loops): Test for
998 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1000 PR tree-optimization/27548
1001 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1002 range of ssa names that appear on abnormal edges.
1003 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1004 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1006 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1009 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1011 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1014 * tree.h (OMP_PARALLEL_COMBINED): Define.
1015 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1016 (new_omp_context): Add is_combined_parallel argument.
1017 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1018 new_omp_context caller.
1019 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1020 Adjust gimplify_scan_omp_clauses callers.
1021 (omp_is_private): Issue errors if iteration variable is firstprivate
1022 or reduction in the current context.
1023 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1024 on combined parallel workshare constructs.
1026 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1028 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1029 (gcc-options.o): New rule.
1031 * optc-gen.awk: Protect variables for gcc-options.o with
1032 #ifdef GCC_DRIVER/#endif.
1034 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1036 Fix PR tree-optimization/27373
1037 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1038 (forward_propagate_addr_expr): Update call.
1040 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1042 * doc/options.texi: Move the Negative option.
1044 2006-05-16 Richard Guenther <rguenther@suse.de>
1046 PR tree-optimization/22303
1047 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1049 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1050 ccp_fold did not simplify the statement.
1052 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1055 * Makefile.in (GCC_OBJS): New.
1056 (OBJS-common): Add opts-common.o.
1057 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1058 (cpp$(exeext)): Likewise.
1059 (gcc.o): Also depend on opts.h.
1060 (opts-common.o): New.
1062 * common.opt (gcoff): Add Negative(gdwarf-2).
1063 (gdwarf-2): Add Negative(gstabs).
1064 (gstabs): Add Negative(gstabs+).
1065 (gstabs+): Add Negative(gvms).
1066 (gvms): Add Negative(gxcoff).
1067 (gxcoff): Add Negative(gxcoff+).
1068 (gxcoff+): Add Negative(gcoff).
1069 * config/i386/i386.opt (m32): Add Negative(m64).
1070 (m64): Add Negative(m32).
1072 * doc/options.texi: Document the Negative option.
1074 * gcc.c: Include "opts.h".
1075 (main): Call prune_options after expandargv.
1077 * optc-gen.awk: Generate common declarations for all flag
1078 variables in options.c. Output the neg_index field.
1080 * opts.c (find_opt): Moved to ...
1081 * opts-common.c: Here. New file.
1083 * opts.h (cl_option): Add a neg_index field.
1085 (prune_options): Likewise.
1087 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1090 * omp-low.c (expand_omp_parallel): Don't assert
1091 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1092 instead search for it.
1095 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1098 2006-05-16 Andreas Schwab <schwab@suse.de>
1100 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1103 2006-05-15 Roger Sayle <roger@eyesopen.com>
1106 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1107 integer constants other than zero are only legitimate on TARGET_64BIT.
1108 <CONST_VECTOR> Only zero vectors are legitimate.
1109 (ix86_cannot_force_const_mem): Integral and vector constants can
1110 always be put in the constant pool.
1112 2006-05-16 DJ Delorie <dj@redhat.com>
1114 * crtstuff.c (__dso_handle): Set section from
1115 TARGET_LBIGCC_SDATA_SECTION if defined.
1116 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1117 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1119 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1122 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1125 2006-05-16 Ben Elliston <bje@au.ibm.com>
1127 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1129 2006-05-15 Per Bothner <per@bothner.com>
1131 * tree.c: (last_annotated_node): Use source_locus typedef.
1132 This permits bootstrapping with --enable-mapped-location.
1134 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1136 PR tree-optimization/26830
1137 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1138 (info_for_ssa_name, current_info_for_ssa_name_age,
1139 blocks_to_update): New variables.
1140 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1141 (clear_ssa_name_info, initialize_flags_in_bb,
1142 mark_block_for_update): New functions.
1143 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1144 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1145 prepare_def_site_for): Use mark_block_for_update.
1146 (mark_def_interesting): Assert that the processed block is marked in
1147 blocks_to_update. Do not take blocks argument.
1148 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1150 (rewrite_update_init_block, rewrite_update_stmt): Only process
1151 blocks with statements to rewrite.
1152 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1153 (update_ssa): Initialize and free blocks_to_update. Do not
1154 clear flags on statements. Do not use blocks bitmap.
1155 * tree.h (SSA_NAME_AUX): Removed.
1156 (struct tree_ssa_name): Removed aux field.
1157 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1159 2006-05-15 Richard Guenther <rguenther@suse.de>
1161 PR tree-optimization/27603
1162 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1163 Do computations in original type.
1165 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1167 * see.c: Code style changes such as redundant paranthesis,
1168 redundant intialization of local variables etc.
1169 (see_main): Declared now as static.
1170 * doc/invoke.texi: Update that -fsee is not enabled by
1173 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1175 * omp-low.c (check_omp_nesting_restrictions): New function.
1176 (scan_omp_1): Call it.
1179 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1180 construct, return *VAR.
1182 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1184 PR rtl-optimization/27406
1185 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1188 2006-05-14 Roger Sayle <roger@eyesopen.com>
1190 PR rtl-optimization/27538
1191 * combine.c (expand_compound_operation): Call gen_lowpart
1192 before calling simplify_shift_const.
1194 2006-05-14 Roger Sayle <roger@eyesopen.com>
1196 PR rtl-optimization/22563
1197 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1198 a fixed width bitfield, always force the intermediates into psuedos.
1200 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1203 * mkconfig.sh: Use operator = instead of == for test.
1205 2006-05-13 Nick Clifton <nickc@redhat.com>
1207 * dwarf2out.c (dbx_reg_number): Check return value from
1208 LEAF_REG_REMAP and only use it if it is valid.
1209 (multiple_reg_loc_descriptor): Likewise.
1211 2006-05-13 Richard Guenther <rguenther@suse.de>
1213 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1216 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1218 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1219 information attached to non-INSNs such as NOTEs.
1220 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1222 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1224 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1226 * config/s390/s390.md: Adjust comment describing On constraint.
1228 2006-05-11 Jan Hubicka <jh@suse.cz>
1230 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1231 to be output at -O0.
1233 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1236 * fold-const.c (size_binop): Move sanity check for arguments to
1237 the beginning of the function.
1240 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1243 2006-05-11 Richard Guenther <rguenther@suse.de>
1246 * fold-const.c (fold_unary): Handle intermediate conversion
1247 to a pointer type like intermediate conversion to an integer
1248 type in folding of (T1)(T2)var to var.
1249 Match the code to the comment in the final conversion for
1250 (T1)(T2)var to (T1)var regarding to type precision. Rather
1251 than disallow T1 being of pointer type, assert that both T1
1252 and var are of pointer type or not. Make sure not to fall
1253 over the frontends lazyness wrt array to pointer decay though.
1255 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1257 * arm.c (arm_struct_value_rtx): Delete.
1258 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1259 (arm_init_cumulative_args): Always initialize nregs to zero.
1261 2006-05-10 Richard Guenther <rguenther@suse.de>
1263 PR tree-optimization/27532
1264 * tree-object-size.c (plus_expr_object_size): Fix typo.
1266 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1269 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1270 ashrdi_const, ashrdi3): Use a scratch register.
1272 2006-05-10 Richard Guenther <rguenther@suse.de>
1274 PR tree-optimization/27302
1275 * fold-const.c (operand_equal_p): For two comparisons,
1276 try comparison of one comparison code swapped if that yields
1279 2006-05-10 Ben Elliston <bje@au.ibm.com>
1281 * tree-pretty-print.c (pretty_print_string): No need to handle
1282 '\0' as a special character.
1284 * tree.h: Include "hashtab.h".
1285 (iterative_hash_expr): Use hashval_t in its prototype.
1286 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1288 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1291 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1292 (hppa*64*-*-hpux11*): Ditto.
1293 (hppa[12]*-*-hpux11*): Ditto.
1295 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1298 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1300 2006-05-09 Michael Matz <matz@suse.de>
1302 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1303 host_extra_gcc_objs and host_xmake_file.
1304 (<*-*-linux*>): Don't overwrite host_xmake_file.
1305 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1306 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1307 (host_detect_local_cpu): Declare.
1308 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1309 * config/i386/i386.c (override_options): Handle -mtune=native
1311 * config/i386/x-i386: New file.
1312 * config/i386/driver-i386.c: New file.
1313 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1316 2006-05-09 Dirk Mueller <dmueller@suse.de>
1317 Richard Guenther <rguenther@suse.de>
1320 * fold-const.c (fold_read_from_constant_string): Relax check
1321 for matching types to matching modes.
1323 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1325 PR rtl-optimization/27335
1326 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1329 2006-05-08 Chao-ying Fu <fu@mips.com>
1330 Richard Sandiford <richard@codesourcery.com>
1332 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1333 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1334 * config/mips/mips.md (UNSPEC_SCC): New constant.
1335 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1336 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1337 (mips_emit_compare): Use it.
1338 (mips_expand_vcondv2sf): New function.
1340 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1342 Fix PR tree-optimization/27093
1343 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1344 renaming when they become not-used_alone.
1346 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1348 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1349 relocation and relocation stubs.
1351 2006-05-08 Eric Christopher <echristo@apple.com>
1353 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1356 2006-05-08 Jan Hubicka <jh@suse.cz>
1359 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1360 unused static functions are needed.
1362 2006-05-08 Roger Sayle <roger@eyesopen.com>
1365 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1366 of a reg_equiv_constant if the result is a legitimate constant.
1368 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1371 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1372 standard 80387 constants, raise the cost to prevent
1373 compress_float_constant() to generate load from memory.
1375 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1377 * config/arm/constraints.md (c): Fix a typo.
1379 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1382 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1385 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1387 (_mm_mwait): Likewise.
1389 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1391 (sse3_monitor): Make it 32bit only.
1392 (sse3_monitor64): New. 64bit monitor.
1394 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1397 * config/i386/i386.c (classify_argument): Skip fields with invalid
1400 2006-05-07 Richard Guenther <rguenther@suse.de>
1402 PR tree-optimization/27409
1403 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1404 Do not try to find zero-sized subvars.
1406 2006-05-07 Richard Guenther <rguenther@suse.de>
1408 PR tree-optimization/27136
1409 * tree-ssa-loop-niter.c (get_val_for): Correct function
1410 comment, assert requirements.
1411 (loop_niter_by_eval): Stop processing if the iterated
1412 value did not simplify.
1414 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1416 * opts.c (flag_see): remove its setting at -O3.
1418 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1420 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1421 * arm/constraints.md: New file.
1422 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1423 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1424 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1425 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1426 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1427 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1428 * arm.md: Include constraints.md.
1429 (thumb_movsi_insn): Use satisfies_constraint_J.
1430 (movhi, movqi): Use satisfies_constraint_I.
1432 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1434 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1435 for atmeg a645 device.
1437 2006-05-06 Richard Guenther <rguenther@suse.de>
1439 PR tree-optimization/27151
1440 * tree-vect-transform.c (vectorizable_condition): Punt on
1441 values that have a different type than the condition.
1443 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1446 * c-parser.c (c_parser_cast_expression): Only insert casts into
1447 hash table if pointer.
1448 * function.c (used_types_insert_helper): Rename from
1450 (used_types_insert): Call used_types_insert_helper.
1451 * function.h (used_types_insert): Accept only one argument.
1453 2006-05-05 David Edelsohn <edesohn@gnu.org>
1455 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1456 scratch with output modifier.
1458 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1461 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1462 with output modifier.
1464 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1467 * config/mips/mips.c (mips_symbolic_address_p): Return true
1468 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1469 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1471 2006-05-04 Richard Guenther <rguenther@suse.de>
1473 PR tree-optimization/14287
1474 PR tree-optimization/14844
1475 PR tree-optimization/19792
1476 PR tree-optimization/21608
1477 PR tree-optimization/27090
1478 * tree-ssa-pre.c (try_combine_conversion): New function.
1479 (compute_avail): After constructing the value-handle
1480 expression, use try_combine_conversion to combine NOP_EXPRs
1481 with previous value-handle expressions and use the result if it
1484 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1486 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1488 2006-05-04 Jan Hubicka <jh@suse.cz>
1491 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1493 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1495 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1496 that this only matches CONST_INTs. All users changed to VOIDmode
1499 * config/bfin/bfin.c: Include "optabs.h".
1500 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1502 (enum bfin_builtins): Add a number of fractional and vector builtins.
1503 (bfin_init_builtins): Likewise.
1504 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1505 (safe_vector_operand, bfin_expand_binop_builtin,
1506 bfin_expand_unop_builtin): New functions.
1507 (bfin_expand_builtin): Handle the new builtins.
1508 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1511 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1514 * Makefile.in (OBJS-common): Add see.o.
1515 (see.o): Add dependencies.
1516 * common.opt (fsee): New flag for the see optimization was added.
1517 * opts.c (flag_see): Initialized.
1518 * passes.c (init_optimization_passes, pass_see): New pass.
1519 * rtl.h (see_main): Declaration as extern.
1520 * timevar.def (TV_SEE): New.
1521 * tree-pass.h (pass_see): Declaration as extern.
1522 * invoke.texi (-fsee): Document.
1523 * recog.c (validate_simplify_insn): New function.
1524 * recog.h (validate_simplify_insn): Declaration as extern.
1525 * df-problems.c (df_chain_dump): Check for NULL.
1527 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1528 Daniel Berlin <dberlin@dberlin.org>
1530 * cfgrtl.c (insert_insn_bb_end_new): New function.
1531 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1533 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1535 * df.h (struct web_entry): Moved from web.c.
1536 (union_defs): Declaration as extern.
1537 (unionfind_root): Likewise.
1538 (unionfind_union): Likewise.
1539 * web.c (struct web_entry): Moved to df.h.
1540 (unionfind_root): Remove static declaration.
1541 (unionfind_union): Likewise.
1542 (union_defs): Likewise and generalize to use callback function.
1543 (web_main): Update arguments for union_defs function call.
1545 2006-05-04 Richard Guenther <rguenther@suse.de>
1547 PR tree-optimization/26447
1548 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1549 produce SSA_NAME copies before the store stmt to avoid
1550 breaking exception handling.
1552 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1555 * gimplify.c (omp_is_private): If var is shared in some outer context,
1556 return false instead of true. Stop searching on parallel context
1559 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1562 * coverage.c: Use get_gcov_unsigned_t() instead of
1563 unsigned_type_node all over.
1565 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1567 PR tree-optimization/27381
1568 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1569 maintain the same immediate_use links.
1570 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1571 node rather than segfaulting.
1573 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1576 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1577 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1578 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1580 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1582 Fix PR tree-optimization/26626
1583 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1585 * tree-ssa-operands.c (access_can_touch_variable): Allow
1586 typecasting through union pointers.
1588 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1591 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1592 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1593 to find if var will be a global variable even in the nested context.
1594 (omp_copy_decl): Only check for global variable at the end, it might
1595 be overridden in outer contexts.
1596 (scan_sharing_clauses): For global variables don't create a field.
1597 (lower_rec_input_clauses): Do nothing for global shared variables.
1598 Emit a barrier at the end of ILIST if there were any decls in both
1599 firstprivate and lastprivate clauses.
1600 (lower_send_clauses): Do nothing for global variables except for
1603 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1605 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1606 of the correct signedness is returned.
1608 2006-05-02 Jeff Law <law@redhat.com>
1610 PR tree-optimization/27364
1611 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1612 multiply expressions.
1614 2006-05-02 Tom Tromey <tromey@redhat.com>
1616 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1618 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1621 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1622 -mthumb -fPIC are used.
1624 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1625 Joshua Kinard <kumba@gentoo.org>
1628 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1629 with 64-bit pointers.
1631 2006-05-02 Paul Brook <paul@codesourcery.com>
1633 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1635 (create_fix_barrier): Check that a suitable barrier location is
1637 (arm_reorg): Include ftmp->address in allowable range of addresses.
1639 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1642 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1645 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1648 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1649 around RESULT_DECL for result passed by reference.
1650 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1651 * omp-low.c (use_pointer_for_field): Don't look at
1652 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1653 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1654 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1655 time or var for passing by reference for
1656 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1657 TREE_ADDRESSABLE variables when passing by reference.
1659 * omp-low.c (dump_omp_region): Fix output formatting.
1662 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1663 (expand_omp_parallel): Likewise.
1664 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1667 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1668 on statement list containing also constructors and destructors.
1669 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1672 * except.c (duplicate_eh_regions): Fix clearing of
1673 cfun->eh->region_array entries.
1675 2006-05-01 DJ Delorie <dj@redhat.com>
1677 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1679 (gcc_cv_objdump): Likewise.
1680 * configure: Regenerated.
1682 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1685 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1686 templates for case 3 and 4.
1688 2006-05-01 DJ Delorie <dj@redhat.com>
1690 * vec.c: Include bconfig.h when appropriate.
1691 * Makefile.in (build/vec.o): Adjust dependencies.
1692 * mkconfig.sh: Make sure config.h isn't used for build machine
1695 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1697 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1699 (mark_phi_for_rewrite): New function.
1700 (insert_phi_nodes_for, mark_use_interesting): Call
1701 mark_phi_for_rewrite.
1702 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1703 (update_ssa): Initialize and free phis_to_rewrite.
1705 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1707 PR rtl-optimization/27291
1708 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1709 folded to a constant.
1711 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1713 PR tree-optimization/27283
1714 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1715 not whole # of iteration descriptions.
1716 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1717 uses abnormal ssa name.
1718 (niter_for_single_dom_exit): Ditto.
1719 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1720 return just the number of iterations.
1722 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1724 PR tree-optimization/27144
1725 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1726 (record_estimate): Only record constant upper bound.
1727 (infer_loop_bounds_from_undefined): Call
1728 compute_estimated_nb_iterations just once.
1729 (proved_non_wrapping_p): Renamed to ...
1730 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1731 (convert_step_widening, scev_probably_wraps_p): Call
1732 n_of_executions_at_most instead of proved_non_wrapping_p.
1733 (substitute_in_loop_info): Do not replace values in bounds.
1734 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1737 2006-05-01 Richard Henderson <rth@redhat.com>
1740 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1741 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1744 2006-05-01 Roger Sayle <roger@eyesopen.com>
1746 * c-typeck.c (parser_build_binary_op): Don't call the function
1747 unsigned_conversion_warning to spot operand/result type overflow.
1748 (build_binary_op): Instead, call convert_and_check instead of
1749 convert to report the problem when the operands are promoted.
1750 * c-common.c (unsigned_conversion_warning): Make static.
1751 * c-common.h (unsigned_conversion_warning): Delete prototype.
1753 2006-05-01 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/26726
1756 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1758 (find_interesting_uses_address): ... we work around here
1759 by folding INDIRECT_REFs in the substituted base.
1761 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1763 * omp-low.c (dump_omp_region): Add newlines.
1765 2006-04-30 Roger Sayle <roger@eyesopen.com>
1767 * common.opt (Woverflow): New command line option.
1768 * c-common.c (constant_expression_warning): Check warn_overflow.
1769 (overflow_waring): Pass OPT_Woverflow to warning.
1770 (unsigned_conversion_warning): Likewise.
1771 (convert_and_check): Likewise.
1772 * doc/invoke.texi: Document new command line option.
1774 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1776 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1777 TARGET_NO_FP_IN_TOC for section anchors.
1778 (optimization_options): Enable section anchors for all
1779 non-"Objective" languages.
1781 2006-04-28 Eric Christopher <echristo@apple.com>
1783 * config/darwin-c.c (darwin_ms_struct): Move this
1784 (darwin_set_default_type_attributes): and this...
1785 * config/darwin.c: ... here.
1786 * config/darwin.h (darwin_ms_struct): Declare.
1788 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1790 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1792 2006-04-28 Roger Sayle <roger@eyesopen.com>
1795 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1796 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1797 an unsigned HOST_WIDE_INT.
1798 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1800 (really_start_incremental_init): No need to call convert because
1801 bitsize_zero_node is already of type bitsizetype.
1802 (push_init_level): Extract the value of constructor_index as an
1803 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1804 (process_init_element): Likewise.
1806 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1808 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1809 value before passing to make_relative_prefix.
1811 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1814 * builtins.c (expand_builtin_memset): Expand val in original mode.
1816 2006-04-27 Eric Christopher <echristo@apple.com>
1818 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1819 with #ifndef/#endif.
1820 * config/darwin-c.c (darwin_ms_struct): New.
1821 (darwin_pragma_ms_struct): Ditto.
1822 (darwin_set_default_type_attributes): Ditto.
1823 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1824 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1825 Register ms_struct pragma.
1826 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1827 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1828 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1829 darwin_set_default_type_attributes if TARGET_MACHO.
1831 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1833 PR tree-optimization/26854
1834 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1835 * doc/tree-ssa.texi: Update immuse iterator documentation.
1836 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1837 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1838 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1839 first_safe_imm_use, next_safe_imm_use): Remove.
1840 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1841 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1842 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1843 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1844 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1845 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1846 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1847 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1848 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1849 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1850 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1851 (perfect_nestify): Use new iterator.
1852 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1854 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1855 (next_imm_name): New field in struct immediate_use_iterator_d.
1856 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1857 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1858 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1859 * tree-cfg.c (replace_uses_by): Use new iterator.
1860 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1861 * tree-ssa-operands.c (correct_use_link): Remove.
1862 (finalize_ssa_use_ops): No longer call correct_use_link.
1864 2006-04-27 Stuart Hastings <stuart@apple.com>
1866 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1867 * config/t-darwin (crt3.o): Use it.
1868 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1869 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1870 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1871 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1872 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1875 2006-04-27 Roger Sayle <roger@eyesopen.com>
1877 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1878 size, force the intermediate into a new pseudo rather instead of
1879 performing both a bitwise AND and a bitwise IOR in memory.
1881 2006-04-27 Richard Guenther <rguenther@suse.de>
1883 PR rtl-optimization/26685
1884 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1885 this one "max-flow-memory-locations".
1887 2006-04-27 Richard Guenther <rguenther@suse.de>
1889 PR tree-optimization/25148
1890 * tree-vrp.c (compare_values): Remove code dealing with
1891 comparisons against type min/max value. Honour overflow
1892 and negative constants in code dealing with comparisons
1893 of plus and minus expressions.
1894 (value_inside_range): Use fold_binary with LE_EXPR and
1895 GE_EXPR rather than compare_values.
1897 2006-04-27 Dirk Mueller <dmueller@suse.de>
1899 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1902 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1904 * basic-block.h (safe_insert_insn_on_edge): Removed.
1905 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1907 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1908 Paolo Bonzini <bonzini@gnu.org>
1911 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1912 (simplify_and_const_int): Same.
1914 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1916 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1918 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1921 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1922 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1923 cgraph_global_info_ready.
1926 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1929 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1930 either decl or init is error_mark_node.
1933 * tree-flow.h (struct omp_region): Add sched_kind.
1934 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1935 instead of extracting omp for data.
1936 (expand_omp_for): Save extracted sched_kind.
1938 2006-04-25 Roger Sayle <roger@eyesopen.com>
1940 * expmed.c (store_bit_field): Also check whether the bitsize is
1941 valid for the machine's "insv" instruction before moving the
1942 target into a pseudo for use with the insv.
1943 * config/i386/predicates.md (const8_operand): New predicate.
1944 * config/i386/i386.md (extv, extzv, insv): Use the new
1945 const8_operand predicate where appropriate.
1947 2006-04-25 DJ Delorie <dj@redhat.com>
1949 * doc/install.texi (Specific): Clarify that this is not a list of
1950 supported hosts or targets.
1952 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1954 PR rtl-optimization/26725
1955 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1956 block's BB_DIRTY flag.
1958 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1960 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1963 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1964 to print an integer.
1966 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1968 * varasm.c (align_variable): New function.
1969 (get_block_for_decl): Apply align_variable to DECL before
1970 calculating section information.
1971 (assemble_variable): Split out alignment computation.
1973 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1975 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1978 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1980 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1981 MODE_PARTIAL_INT mode.
1982 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1983 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1985 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1986 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1988 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1990 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1992 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1993 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1994 MACFLAG_IH): Likewise.
1995 (movstricthi_1): Renamed from "*movstricthi".
1996 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1997 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1998 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1999 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2000 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2001 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2002 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2003 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2004 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2005 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2006 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2007 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2008 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2009 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2010 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2012 * doc/rtl.texi (ss_ashift): Improve wording.
2014 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2016 * dwarf2out.c (verify_marks_clear): New.
2017 (prune_unused_types): Call verify_marks_clear initially, not
2020 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2022 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2023 * doc/rtl.texi: Document them.
2024 * simplify-rtx.c (simplify_unary_operation,
2025 simplify_binary_operation_1): Don't abort when we see them.
2027 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2030 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2031 * configure.ac: Completely disregard languages that are not
2033 * configure: Regenerated.
2035 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2036 Richard Guenther <rguenther@suse.de>
2038 PR tree-optimization/27236
2039 * tree-inline.c (copy_body_r): Make sure to copy
2040 TREE_THIS_VOLATILE flag.
2042 2006-04-24 Richard Guenther <rguenther@suse.de>
2045 * tree-complex.c (update_parameter_components): Don't handle
2046 unused parameters which have no default def.
2048 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2049 Richard Guenther <rguenther@suse.de>
2051 PR tree-optimization/27218
2052 * tree-inline.c (expand_call_inline): Strip useless type
2053 conversions for the return slot address.
2055 2006-04-24 Richard Guenther <rguenther@suse.de>
2057 * cfgloop.h (struct loops): Remove unused field array. Reorder
2059 (LOOP_PREFETCH): Remove.
2061 2006-04-24 Richard Guenther <rguenther@suse.de>
2063 PR tree-optimization/22525
2064 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2065 variable, adjust types of generated expressions.
2067 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2069 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2070 (tree-vect-patterns.o): Likewise.
2072 (cselib.o): Likewise.
2073 (loop-doloop.o): Likewise.
2074 (regclass.o): Likewise.
2075 (reload1.o): Likewise.
2076 (explow.o): Replace target.h with $(TARGET_H).
2077 (ipa-prop.o): Likewise.
2078 (ipa-cp.o): Likewise.
2079 (ipa-inline.o): Likewise.
2080 (reorg.o): Likewise.
2081 (reg-stack.o): Likewise.
2083 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2085 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2087 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2089 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2091 * configure.ac: Completely disregard languages that are not
2093 * configure: Regenerated.
2096 * c-common.h (c_build_bitfield_integer_type): Declare.
2097 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2098 * c-common.c (c_build_bitfield_integer_type): ... here.
2100 2006-04-23 Roger Sayle <roger@eyesopen.com>
2103 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2104 a SImode SUBREG of a floating point register after no_new_pseudos.
2106 2006-04-23 Roger Sayle <roger@eyesopen.com>
2108 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2109 identify potentially eliminable registers to additionally catch
2110 VIRTUAL_INCOMING_ARGS_REGNUM.
2111 (addsi3): Update the conditions on when to use addsi_small_int.
2113 2006-04-23 Roger Sayle <roger@eyesopen.com>
2116 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2117 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2118 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2120 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2122 * fold-const.c (range_predecessor): Use operand_equal_p
2123 as the predicate for equality.
2124 (range_successor): Likewise.
2126 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2129 * config/soft-fp/op-common.h: Fix a typo.
2131 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2134 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2135 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2137 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2139 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2141 * doc/tm.texi: Fix a typo.
2143 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2145 * dwarf2out.c (struct die_struct): Document that die_sib makes
2146 a circular linked list.
2147 (FOR_EACH_CHILD): New.
2148 (reverse_die_lists): Delete.
2149 (reverse_all_dies): Delete.
2150 (add_dwarf_attr): Correct documentation.
2151 (remove_child_with_prev): New.
2152 (remove_child_TAG): Update for change to die_struct, use
2153 remove_child_with_prev.
2154 (add_child_die): Update for change to die_struct.
2155 (splice_child_die): Use remove_child_with_prev and add_child_die.
2156 (print_die): Use FOR_EACH_CHILD.
2157 (die_checksum): Likewise.
2158 (assign_symbol_names): Likewise.
2159 (output_location_lists): Likewise.
2160 (build_abbrev_table): Likewise.
2161 (calc_die_sizes): Likewise.
2162 (mark_dies): Likewise.
2163 (unmark_dies): Likewise.
2164 (unmark_all_dies): Likewise.
2165 (output_die): Likewise.
2166 (prune_unused_types_mark): Likewise.
2167 (prune_unused_types_walk): Likewise.
2168 (same_die_p): Update for change to die_struct.
2169 (break_out_includes): Likewise.
2170 (prune_unused_types_prune): Likewise.
2171 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2172 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2174 (dwarf2out_finish): Don't call reverse_all_dies.
2176 2006-04-21 Eric Christopher <echristo@apple.com>
2178 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2179 in comments and function names.
2181 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2184 * c-typeck.c (digest_init): Robustify.
2186 * c-typeck.c (pop_init_level): Simplify.
2188 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2190 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2192 2006-04-21 Paul Brook <paul@codesourcery.com>
2194 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2195 hardware floating point.
2197 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2199 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2202 2006-04-21 Nick Clifton <nickc@redhat.com>
2204 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2207 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2210 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2211 C++ lang type in traceback table for Objective-C++.
2213 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2215 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2217 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2219 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2222 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2223 were errors. Remove check for erroneous objects.
2225 2006-04-20 Jeff Law <law@redhat.com>
2227 PR tree-optimization/26854
2228 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2229 checking for zero or one use.
2230 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2231 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2232 * tree-ssa-reassoc.c (negate_value): Similarly.
2233 (reassociate_bb): Similarly.
2235 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2237 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2238 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2239 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2241 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2243 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2244 fp regs if the last fp arg doesn't fit in regs.
2246 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2249 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2250 that the last insn has the REG_INC note.
2252 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2253 Nathan Sidwell <nathan@codesourcery.com>
2256 * stor-layout.c (update_alignment_for_field): Do not align
2258 (place_union_field): Place union field at the start of the union.
2259 (place_field): Move ERROR_MARK check later, and use the current
2260 allocation position to maintain monotonicity.
2262 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2264 * dominance.c: Include timevar.h.
2265 (calculate_dominance_info): Use TV_DOMINANCE.
2266 * timevar.def (TV_DOMINANCE): New timevar.
2267 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2269 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2271 PR rtl-optimization/14261
2272 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2273 move would be an INSV insn.
2274 (noce_process_if_block): Don't optimize if the destination is a
2275 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2277 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2279 * config/s390/s390.md: Add comments with the instructions emitted
2280 by an insn pattern if macros are used.
2282 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2284 PR rtl-optimization/26026
2285 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2286 is a known power of two shifted left a variable amount.
2288 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2290 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2291 to hash table twice when the debug_str section has SECTION_MERGE.
2293 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2295 * config/soft-fp: New directory. From glibc.
2296 * config/soft-fp/t-softfp: New.
2297 * config/soft-fp/README: New.
2298 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2299 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2300 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2301 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2302 * config.gcc: Use rs6000/t-fprules-fpbit or
2303 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2305 * config/rs6000/sfp-machine.h: New. Based on glibc.
2306 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2308 * config/rs6000/t-fprules: Remove fp-bit rules.
2309 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2310 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2311 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2312 (softfp_wrap_start, softfp_wrap_end): New.
2314 2006-04-18 DJ Delorie <dj@redhat.com>
2316 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2318 2006-04-18 Devang Patel <dpatel@apple.com>
2320 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2322 2006-04-18 Nick Clifton <nickc@redhat.com>
2324 * config/sh/t-symbian: Add rule to build sh-c.o
2325 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2326 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2327 (sh_symbian_encode_section_info): Likewise.
2329 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2331 * builtins.c (expand_builtin_strcmp): Cover label definition of
2332 do_libcall with HAVE_cmpstrnsi.
2334 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2336 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2338 * function.h (temp_slot_p): New.
2339 (function): Change the type of x_used_temp_slots to
2340 VEC(temp_slot_p,gc) *.
2342 2006-04-18 Nick Clifton <nickc@redhat.com>
2344 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2345 flag_strength_reduce.
2347 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2349 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2353 Partial revert of revision 112637
2354 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2355 Dale Johannesen <dalej@apple.com>
2358 * regclass.c (struct reg_pref): Update documentation.
2359 (regclass): Set prefclass to NO_REGS if memory is the best option.
2360 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2362 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2364 PR tree-optimization/26821
2365 * tree-ssa-math-opts.c (get_constant_one): New.
2366 (insert_reciprocals): Use it.
2368 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2370 * dwarf2out.c (free_AT): Delete.
2371 (remove_AT): Update string ref counts.
2372 (remove_child_TAG): Don't call free_die.
2374 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2375 or DW_TAG_GNU_EINCL.
2376 (prune_unused_types_walk_attribs): Reset string refcounts.
2377 (prune_unused_types_update_strings): New.
2378 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2379 call free_die. Do call prune_unused_types_update_strings.
2380 (prune_unused_types): Empty debug_str_hash.
2382 2006-04-17 Roger Sayle <roger@eyesopen.com>
2384 * expr.c (expand_assignment): Optimize away no-op moves where the
2385 source and destination are equal and have no side-effects.
2387 2006-04-17 Richard Guenther <rguenther@suse.de>
2390 * reload.c (push_reload): Guard calls to get_secondary_mem
2393 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2395 * alias.c (reg_base_value, old_reg_base_value): Change the
2396 type to VEC(rtx,gc) *.
2397 (REG_BASE_VALUE, find_base_value, record_set,
2398 init_alias_analysis): Use VEC instead of VARRAY.
2400 * alias.c (alias_sets): Change the type to
2401 VEC(alias_set_entry,gc) *.
2402 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2403 VEC instead of VARRAY.
2404 (last_alias_set): Remove.
2406 * cgraph.h (cgraph_edge_p): New.
2407 Update the prototype of cgraph_function_versioning.
2408 * cgraphunit.c (cgraph_copy_node_for_versioning,
2409 cgraph_function_versioning): Use VEC instead of VARRAY.
2410 * ipa-cp.c (ipcp_insert_stage): Likewise.
2412 2006-04-16 Roger Sayle <roger@eyesopen.com>
2415 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2416 "A op B" or "A op C", we may need to convert A to the type of B and C.
2418 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2420 * target.h (struct gcc_target): Add mode_rep_extended.
2421 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2422 (init_num_sign_bit_copies_in_rep): Initialize it using
2424 (truncate_to_mode): Use it.
2425 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2426 * targhooks.h (default_mode_rep_extended): Declare it.
2427 * targhooks.c (default_mode_rep_extended): Define it.
2428 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2429 default_mode_rep_extended.
2430 (TARGET_INITIALIZER): Include it.
2431 * doc/tm.texi (Misc): Document it.
2432 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2433 (mips_truncated_to_mode): New function.
2435 2006-04-16 Roger Sayle <roger@eyesopen.com>
2438 * expr.c (compress_float_constant): Copy the narrow constant into
2439 a new pseudo before extending it to its final width.
2441 2006-04-16 Roger Sayle <roger@eyesopen.com>
2442 Andrew Pinski <pinskia@gcc.gnu.org>
2443 Dale Johannesen <dalej@apple.com>
2446 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2447 special case code to implement V8HImode and V16QImode with SSE2.
2449 2006-04-15 Roger Sayle <roger@eyesopen.com>
2451 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2452 trees are constructed with a suitable tree type.
2454 2006-04-15 Roger Sayle <roger@eyesopen.com>
2456 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2457 (integer_onep): Likewise.
2458 (integer_all_onesp): Likewise.
2459 (integer_pow2p): Likewise.
2460 (integer_nonzerop): Likewise.
2461 (real_zerop): Likewise.
2462 (real_onep): Likewise.
2463 (real_twop): Likewise.
2464 (real_minus_onep): Likewise.
2465 (int_size_in_bytes): Likewise.
2466 (host_integerp): Likewise.
2468 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2470 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2471 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2472 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2474 * tree-ssa-structalias.h (alias_info): Remove num_references.
2476 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2478 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2479 (output_bvb patterns): Likewise.
2480 * pa.c (output_bb): Use 'bb' insn for long branch case.
2481 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2482 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2483 1. Correct length operand for alternatives 1 and 2.
2484 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2485 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2487 2006-04-14 Roger Sayle <roger@eyesopen.com>
2489 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2490 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2491 were accidentally reverted by r112959.
2493 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2496 * except.h (eh_region_outermost): New prototype.
2497 * except.c (eh_region_outermost): New function.
2498 * tree-cfg.c (find_outermost_region_in_block): Use it.
2500 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2502 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2504 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2505 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2506 (init_reload, reload): Use VEC instead of VARRAY.
2507 * reload.h: Update the prototype for
2508 reg_equiv_memory_loc_varray.
2510 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2511 Eric Botcazou <ebotcazou@libertysurf.fr>
2513 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2516 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2519 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2520 to expand fallback builtin function call.
2522 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2525 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2526 and emit libcall here in case the builtin fails.
2527 (expand_builtin_strcmp): Always emit the libcall here on failure.
2529 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2531 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2532 * flow.c (reg_n_info): Change the type to
2533 VEC(reg_info_p,heap) *.
2534 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2536 * regs.h (reg_info_p): New.
2537 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2538 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2539 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2542 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2544 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2546 * params.h (MAX_SCHED_READY_INSNS): New macro.
2547 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2548 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2549 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2550 the ready list for 1 cycle during the first scheduling pass.
2551 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2553 2006-04-13 Richard Henderson <rth@redhat.com>
2556 * gimple-low.c (lower_omp_directive): Remove dead code.
2557 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2558 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2559 * omp-low.c (struct omp_region): Move to tree-flow.h.
2560 (root_omp_region): Export.
2561 (omp_regions, lookup_omp_region): Remove.
2562 (determine_parallel_type): Update for struct omp_region changes.
2563 (dump_omp_region): Dump regions with block numbers.
2564 (new_omp_region): Take type and block instead of stmt; malloc
2566 (free_omp_region_1, free_omp_regions): New.
2567 (expand_parallel_call): Take entry_stmt as argument; update for
2568 changes to omp_region.
2569 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2570 (remove_exit_barriers): New.
2571 (expand_omp_parallel): Update for struct omp_region changes.
2572 (expand_omp_synch): Likewise.
2573 (expand_omp): Likewise.
2574 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2575 (expand_omp_for_static_chunk): Likewise.
2576 (expand_omp_for): Likewise.
2577 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2578 (expand_omp_sections): Similarly, with GOMP_sections_end.
2579 (expand_omp_single): New.
2580 (build_omp_regions_1): Update for OMP_CONTINUE.
2581 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2582 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2583 OMP_SECTIONS_SECTIONS.
2584 (lower_omp_single_simple): Don't emit barrier here.
2585 (lower_omp_single_copy): Likewise.
2586 (lower_omp_single): Fix bindings, and lower to straightline now.
2587 (lower_omp_master, lower_omp_ordered): Likewise.
2588 (lower_omp_critical): Likewise.
2589 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2590 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2591 omp edges, free it afterward.
2592 (make_omp_sections_edges): Remove.
2593 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2594 (move_stmt_r): Handle OMP_CONTINUE.
2595 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2596 statement pointers to basic blocks. Add type member.
2597 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2598 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2599 * tree-inline.c (estimate_num_insns_1): Likewise.
2600 * tree-pretty-print.c (dump_generic_node): Likewise.
2601 * tree-ssa-operands.c (get_expr_operands): Likewise.
2602 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2603 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2604 (OMP_CONTINUE): New.
2605 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2606 (OMP_SECTIONS_SECTIONS): Remove.
2607 (OMP_SECTION_LAST): New.
2608 (OMP_RETURN_NOWAIT): New.
2610 2006-04-13 Roger Sayle <roger@eyesopen.com>
2612 * fold-const.c (native_encode_vector, native_interpret_real):
2613 Correct obvious mistakes in the previous check-in.
2615 2006-04-13 Roger Sayle <roger@eyesopen.com>
2617 * fold-const.c (native_encode_expr): New function to encode
2618 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2619 or VECTOR_CST into a specified buffer.
2620 (native_encode_int): New function.
2621 (native_encode_real): New function.
2622 (native_encode_complex): New function.
2623 (native_encode_vector): New function.
2624 (native_interpret_expr): Inverse of native_encode_expr to convert
2625 a target representation into an INTEGER_CST, REAL_CST etc...
2626 (native_interpret_int): New function.
2627 (native_interpret_real): New function.
2628 (native_interpret_complex): New function.
2629 (native_interpret_vector): New function.
2630 (fold_view_convert_expr): New function to constant fold/evaluate
2631 a VIEW_CONVERT_EXPR of a suitable constant expression.
2632 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2633 Change call of build1 to fold_build1 when constructing a
2636 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2637 Ulrich Weigand <uweigand@de.ibm.com>
2640 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2643 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2646 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2647 optimize to lo_sum for DFmode if !TARGET_FPRS.
2649 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2651 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2652 delete_alias_info, compute_flow_sensitive_aliasing,
2653 group_aliases): Use VEC instead of VARRAY.
2654 * tree-ssa-structalias.c (update_alias_info): Likewise.
2655 * tree-ssa-structalias.h (alias_info): Change the type of
2656 processed_ptrs to VEC(tree,heap) *.
2658 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2661 * config/sh/lib1funcs.h: New file, broken out of:
2662 * config/sh/lib1funcs.asm.
2663 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2665 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2666 * config/sh/lib1funcs-Os-4-200.asm: New file.
2667 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2668 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2669 (EXTRA_MULTILIB_PARTS): Include it.
2670 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2671 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2672 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2673 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2676 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2678 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2679 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2680 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2682 * tree-ssa-live.h: Include vecprim.h.
2683 (tree_partition_associator_d): Change the type of
2684 first_partition to VEC(int,heap) *.
2685 (tpa_first_partition): Use VEC instead of VARRAY.
2687 * Makefile.in (GTFILES): Move functions.h after tree.h.
2688 * function.c (reset_block_changes, record_block_change,
2689 check_block_change, free_block_changes): Use VEC instead of
2691 * function.h (function): Change the type of
2692 ib_boundaries_block to VEC(tree,gc) *.
2693 * tree-inline.c (copy_cfg_body): Initialize
2694 ib_boundaries_block to NULL instead of (varray_type) 0.
2696 2006-04-12 Roger Sayle <roger@eyesopen.com>
2698 * expr.c (emit_group_store): Correct operand order in call to
2699 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2700 a SUBREG_BYTE of zero.
2702 2006-04-12 Richard Guenther <rguenther@suse.de>
2704 * profile.c (compute_branch_probabilities): Remove code
2705 encapsulated in !ir_type (), which are remanents of the
2706 removed RTL profiling code.
2707 * rtl-profile.c: Remove.
2709 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2711 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2712 magic NULL_RTX comment.
2713 (function_arg): Store entire fp arg to mem if any part should go
2715 (rs6000_arg_partial_bytes): Adjust for above change.
2717 2006-04-11 Roger Sayle <roger@eyesopen.com>
2719 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2720 if it hasn't been initialized by dwarf2out_init.
2722 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2724 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2725 symbolic constants in branch patterns.
2727 2006-04-11 Roger Sayle <roger@eyesopen.com>
2729 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2731 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2733 PR rtl-optimization/27073
2734 * gcse.c (try_replace_reg): Revert last change. Continue to search
2735 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2738 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2740 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2741 aggregate types other than record and union types.
2742 (function_arg): Likewise.
2743 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2745 (function_value): In 64-bit mode, return objects that require it
2748 2006-04-11 Roger Sayle <roger@eyesopen.com>
2750 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2752 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2754 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2756 2006-04-03 Jeff Law <law@redhat.com>
2759 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2760 alias information too.
2762 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2764 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2766 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2769 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2770 (premark_used_types_helper): New.
2771 (premark_used_types): New.
2772 (gen_subprogram_die): Call premark_used_types.
2773 (prune_unused_types_walk): Do not prune perennial dies.
2774 * function.c (used_types_insert): New.
2775 * function.h (struct function): Add used_types_hash field.
2776 (used_types_insert): Add prototype.
2777 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2778 * c-parser.c (c_parser_cast_expression): Save casted types in used
2781 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2784 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2785 rs6000_explicit_options.float_gprs.
2787 2006-04-10 Roger Sayle <roger@eyesopen.com>
2789 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2790 from ix86_expand_vector_init_low_nonzero. Take an additional
2791 one_var argument indicating which element is non-zero. Support
2792 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2793 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2794 with one_var instead of ix86_expand_vector_init_low_nonzero.
2796 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2798 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2799 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2800 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2801 build/genextract.o): Depend on vecprim.h.
2802 * cfglayout.c, df-problems.c, function.c, genextract.c,
2803 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2804 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2808 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2810 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2811 Declare VECs of this type.
2812 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2813 (remove_children): Delete.
2814 (add_dwarf_attr): Use VEC routines.
2815 (add_AT_flag): Update for changes to add_dwarf_attr.
2816 (add_AT_int): Likewise.
2817 (add_AT_unsigned): Likewise.
2818 (add_AT_long_long): Likewise.
2819 (add_AT_vec): Likewise.
2820 (add_AT_string): Likewise.
2821 (add_AT_die_ref): Likewise.
2822 (add_AT_fde_ref): Likewise.
2823 (add_AT_loc): Likewise.
2824 (add_AT_loc_list): Likewise.
2825 (add_AT_addr): Likewise.
2826 (add_AT_lbl_id): Likewise.
2827 (add_AT_lineptr): Likewise.
2828 (add_AT_macptr): Likewise.
2829 (add_AT_offset): Likewise.
2830 (add_AT_range_list): Likewise.
2831 (get_AT): Use VEC_iterate.
2832 (remove_AT): Use VEC_ordered_remove.
2833 (free_die): Fold remove_children into here; have it use VEC_iterate.
2834 (print_die): Use VEC_iterate on attrs.
2835 (reverse_die_lists): Don't reverse attr lists.
2836 (die_checksum): Use VEC_iterate on attrs.
2837 (same_die_p): Likewise.
2838 (output_location_lists): Likewise.
2839 (build_abbrev_table): Likewise.
2840 (size_of_die): Likewise.
2841 (unmark_all_dies): Likewise.
2842 (output_abbrev_section): Likewise.
2843 (output_die): Likewise.
2844 (prune_unused_types_walk_attribs): Likewise.
2846 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2848 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2850 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2853 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2855 2006-04-09 Roger Sayle <roger@eyesopen.com>
2857 * expr.c (store_constructor): Don't bother clearing target if
2858 we're about to assign a vector to it using vec_init_optab.
2860 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2862 * tree-ssa-alias.c (lhs_may_store_to): New function.
2863 (recalculate_used_alone): Handle LHS of calls.
2865 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2869 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2870 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2871 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2872 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2873 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2874 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2875 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2876 stubs. Add ".align 8" directives before all ".dword" directives.
2877 (GTHREAD_USE_WEAK): Revise comment.
2878 (TARGET_ATTRIBUTE_WEAK): Define.
2879 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2880 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2881 * stublib.c: New file.
2886 * pa.md (cbranch patterns): Revise arguments used in calls to
2887 output_cbranch, output_bb and output_bvd. Add long branch length
2889 (fbranch patterns): Handle long branches.
2890 (jump): Revise length check. Revise arguments for output_lbranch call.
2891 Add long branch length attributes.
2892 (decrement_and_branch_until_zero): Add long branch length attributes.
2893 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2894 Likewise. Revise arguments for output_parallel_addb and
2895 output_parallel_movb calls.
2896 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2897 output_parallel_movb and output_parallel_addb): Update prototypes.
2898 * pa.c (output_cbranch): Revise arguments. Correct handling of
2899 nullification in long branches.
2900 (output_lbranch): Add new argument to control extraction of delay
2902 (output_bb): Handle long branches.
2903 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2904 output_parallel_addb): Likewise.
2906 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2908 PR rtl-optimization/27073
2909 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2912 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2914 * tree.h (tree_memory_tag): Add old_used_alone.
2915 (SMT_OLD_USED_ALONE): New macro.
2916 * tree-ssa-alias.c (recalculate_used_alone): Stop
2917 marking things for renaming unnecessarily.
2919 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2921 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2922 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2923 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2924 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2925 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2926 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2927 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2928 spelling convensions.
2929 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2930 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2931 typos. Follow spelling conventions.
2933 2006-04-07 DJ Delorie <dj@redhat.com>
2935 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2936 passed on the stack.
2937 (m32c_init_cumulative_args): When a function returns a structure,
2938 always pass the pointer to that return area on the stack.
2939 (m32c_function_arg_advance): Don't increment the parameter number
2940 if we're processing the returned structure pointer.
2941 (pushm_info): Reverse order of registers.
2943 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2945 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2946 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2947 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2948 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2950 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2951 chrec_fold_multiply): Same.
2952 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2953 force_expr_to_var_cost): Same.
2954 * tree-mudflap.c (mf_xform_derefs_1): Same.
2955 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2957 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2959 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2960 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2963 2006-04-07 Jan Hubicka <jh@suse.cz>
2965 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2967 2006-04-07 Richard Guenther <rguenther@suse.de>
2969 PR tree-optimization/26135
2970 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2971 loads for store copy-prop.
2972 (copy_prop_visit_stmt): Likewise.
2974 2006-04-05 Robert Millan <robertmh@gnu.org>
2976 * config/i386/linux.h: Add a comment to mark macros that are
2977 being overriden in config/k*bsd-gnu.h.
2978 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2980 * config/knetbsd-gnu.h: Ditto.
2982 2006-04-06 Jan Hubicka <jh@suse.cz>
2986 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2989 2006-04-06 Mike Stump <mrs@apple.com>
2991 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2992 for HAVE_nonlocal_goto to be consistent.
2993 (expand_builtin_nonlocal_goto): Likewise.
2994 (expand_builtin_strcmp): Use #ifdef instead of #if
2995 for HAVE_cmpstrnsi to be consistent.
2997 2006-04-05 DJ Delorie <dj@redhat.com>
2999 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3002 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3004 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3005 got-relative addressing for anything but SImode.
3007 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3008 even if the calling function doesn't modify them.
3010 2006-04-05 Richard Guenther <rguenther@suse.de>
3012 PR tree-optimization/26919
3013 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3014 to cgraph_estimate_size_after_inlining.
3016 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3018 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3020 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3022 PR tree-optimization/26996
3023 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3024 VECTOR_TYPE variables.
3026 2006-04-05 Richard Guenther <rguenther@suse.de>
3028 PR tree-optimization/26763
3029 * fold-const.c (fold_comparison): Move folding of
3030 PTR + CST CMP PTR + CST ...
3031 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3033 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3035 * doc/install.texi (Prerequisites): Refine some wording on
3036 bootstrapping and ksh.
3037 Move the version numbers of DejaGnu here from the testing section
3038 and fix casing of names.
3039 Fix markup and clarify wording for autogen requirements.
3040 Refer to GCJ instead of just java.
3041 Refer to SVN instead of CVS.
3042 Describe diffutils as useful instead of necessary.
3043 (Downloading the source): Refer to SVN instead of CVS.
3044 Adjust a link to our web site accordingly.
3045 (Configuration): Fix casing of Bison.
3046 (Building): Refer to SVN instead of CVS.
3047 Fix a sentence on the use of Bison and remove duplicate (and
3048 incorrect) version number of Bison requirement.
3049 Remove one redundant list of packages needed for building.
3050 (Specific): Avoid reference to CVS.
3052 2006-04-04 Eric Christopher <echristo@apple.com>
3054 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3055 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3056 (rs6000_handle_struct_attribute): New.
3057 (rs6000_ms_bitfield_layout_p): Ditto.
3059 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3061 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3062 NULL for dso parameter to atexit_common.
3064 2006-04-04 Eric Christopher <echristo@apple.com>
3066 * config/i386/i386.c (machopic_output_stub): Output \t
3067 between instructions and operands.
3069 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3071 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3072 satisfies_constraint_[IL] to explicit tests on value.
3074 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3076 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3077 set_nb_iterations_in_loop): Use build_int_cst instead of
3079 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3080 build_int_cst instead of convert.
3082 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3084 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3085 new value 2 for incoming.
3086 * function.c (expand_function_start): Call struct_value_rtx
3088 * config/sparc/sparc.md: Comment updated_return.
3089 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3090 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3091 struct return if sparc_std_struct_return and incoming is 2.
3092 (print_operand): Do not adjust return if
3093 sparc_std_struct_return.
3095 2006-04-04 Roger Sayle <roger@eyesopen.com>
3097 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3098 convert in the middle-end.
3099 * expr.c (store_expr, store_constructor, get_inner_reference,
3100 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3102 * tree.c (build_range_type): Likewise.
3104 2006-04-04 Tom Tromey <tromey@redhat.com>
3106 * doc/install.texi (Prerequisites): Mention jar.
3108 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3110 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3113 2006-04-04 Matthias Klose <doko@debian.org>
3115 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3116 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3119 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3121 * doc/extend.texi (Function Attributes): Rewrite visibility
3122 attribute documentation.
3123 * doc/invoke.texi (C++ Dialect Options): Rewrite
3124 -fvisibility-inlines-hidden documentation to describe something
3125 entirely different, although in practise compatible.
3126 (Code Gen Options): Warn about system headers in -fvisibility=
3129 * doc/extend.texi (Other Builtins): Document that
3130 __builtin_nan is a compile-time constant only when its argument
3133 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3135 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3136 trying to remove TRUNCATE check if all bits outside the new mode
3137 are identical to the sign bit.
3139 2006-04-03 Jeff Law <law@redhat.com>
3141 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3142 and operand scanning in some common cases.
3144 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3145 Dale Johannesen <dalej@apple.com>
3148 * regclass.c (struct reg_pref): Update documentation.
3149 (regclass): Set prefclass to NO_REGS if memory is the best option.
3150 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3151 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3152 into account. For non-registers, equate an empty preferred
3153 reload class to a `!' in the constraint; move the if clause to
3154 do so after those that reject the insn.
3155 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3157 (find_dummy_reload): Likewise.
3158 * doc/tm.texi (Register Classes): Document what it means
3159 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3160 * config/i386/i386.c (ix86_preferred_reload_class): Force
3161 using SSE registers (and return NO_REGS for floating-point
3162 constants) if math is done with SSE.
3163 (ix86_preferred_output_reload_class): New.
3164 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3165 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3166 * config/i386/i386.md: Remove # register preferences.
3168 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3171 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3172 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3173 the type of nb_iter.
3174 (instantiate_parameters_1): Convert the operands before calling
3175 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3176 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3178 2006-04-02 Roger Sayle <roger@eyesopen.com>
3180 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3181 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3183 * dojump.c (do_jump): Likewise.
3184 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3185 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3186 gimplify_boolean_expr): Likewise.
3187 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3188 * varasm.c (array_size_for_constructor): Likewise.
3189 * tree-object-size.c (compute_object_offset): Likewise.
3191 2006-04-02 Roger Sayle <roger@eyesopen.com>
3194 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3195 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3197 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3199 PR tree-optimization/26939
3200 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3202 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3204 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3205 at_stmt. Convert the type of operands before calling
3206 build_polynomial_chrec.
3207 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3209 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3210 (instantiate_parameters_1): Convert the type of operands before calling
3211 build_polynomial_chrec.
3212 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3213 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3214 reset_evolution_in_loop): Insert asserts to check the types of the
3216 (chrec_type): Moved...
3217 (eq_evolutions_p): Use operand_equal_p.
3218 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3219 the types of the operands.
3220 (chrec_type): ...here.
3221 * tree-data-ref.c (create_data_ref): Convert the operands before
3222 calling chrec_replace_initial_condition.
3223 (same_access_functions, analyze_subscript_affine_affine,
3224 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3225 (compute_subscript_distance, analyze_ziv_subscript,
3226 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3227 analyze_miv_subscript): Convert the operands before calling
3228 chrec_fold_minus or chrec_fold_plus.
3230 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3232 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3233 the dependence_relations vector.
3234 (compute_data_dependences_for_loop): Adjust call to
3235 compute_all_dependences.
3237 2006-04-01 Roger Sayle <roger@eyesopen.com>
3238 Richard Henderson <rth@redhat.com>
3240 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3241 gimple_boolify on the condition before calling gimplify_expr.
3243 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3245 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3246 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3247 the frame size. Update to use the new macros.
3248 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3249 * config/xtensa/ieee754-df.S: Likewise.
3251 2006-03-31 Richard Henderson <rth@redhat.com>
3253 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3254 (make_edges): ... here. Control fallthru creation with a local
3255 variable. Do not play with fake edges.
3256 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3257 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3260 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3262 * dwarf2.h (DW64_CIE_ID): Define.
3263 * dwarf2out.c (DWARF_CIE_ID): Define.
3264 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3265 length header. Use DWARF_CIE_ID.
3266 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3267 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3269 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3271 * config/sh/linux-atomic.asm: New file.
3272 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3274 2006-03-31 DJ Delorie <dj@redhat.com>
3276 * config/m32c/cond.md: Set condition flags properly throughout.
3277 * config/m32c/minmax.md: Likewise.
3278 * config/m32c/prologue.md: Likewise.
3279 * config/m32c/bitops.md: Likewise.
3280 * config/m32c/muldiv.md: Likewise.
3281 * config/m32c/mov.md: Likewise.
3282 * config/m32c/addsub.md: Likewise.
3283 * config/m32c/m32c.md: Likewise.
3284 * config/m32c/jump.md: Likewise.
3285 * config/m32c/shift.md: Likewise.
3287 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3288 conditionally output the pattern for this.
3289 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3290 (m32c_compare_redundant): New.
3291 (m32c_output_compare): New.
3292 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3294 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3295 dest, not src. Allow other 4-byte modes.
3297 2006-03-30 Denis Chertykov <denisc@overta.ru>
3299 * doc/md.texi: Refer to avr/constraints.md instead of
3302 2006-03-30 Roger Sayle <roger@eyesopen.com>
3304 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3305 signed vs. unsigned comparison failures on some hosts.
3307 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3310 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3311 change to FLOAT_REGS.
3313 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3314 (rs6000_override_options): Use it.
3315 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3316 only for -mabi=spe/no-spe and -mabi=altivec.
3318 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3320 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3323 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3325 * Makefile.in: Rename docdir to gcc_docdir.
3327 2006-03-30 Roger Sayle <roger@eyesopen.com>
3330 * expr.c (emit_group_store): Optimize group stores into a pseudo
3331 register by using a paradoxical subreg to initialize the destination
3332 if the first or last member of the group specifies a "low part".
3334 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3337 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3338 * target.h (struct gcc_target.speculate_insn): Change type of the
3339 second parameter to 'int'.
3340 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3341 the second operand of the DEPS_LIST.
3342 (copy_DEPS_LIST_list): Update reference to the second operand of the
3344 * rtl.h (alloc_DEPS_LIST): Update signature.
3345 * sched-int.h (ds_t): Change typedef to 'int'.
3346 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3348 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3350 * haifa-sched.c (try_ready): Change condition to restore
3351 non-speculative pattern of the instruction.
3352 (process_insn_depend_be_in_spec): Code to keep probability of the
3353 speculative dependence non-decreasing.
3355 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3357 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3358 (single_move_for_movmem): ... this. Also change all uses.
3359 (bfin_expand_strmov): Renamed to...
3360 (bfin_expand_movmem): ... this. Also change all uses.
3361 * config/bfin/bfin.md (movstrsi): Renamed to...
3362 (movstrsi): ...this.
3364 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3366 PR tree-optimization/26830
3368 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3369 (copy_prop_visit_stmt): Remove write-only variable ann.
3370 (init_copy_prop): Check variable loop depth here. Do not simulate
3371 memory-tag and virtual operand PHIs except for store copy prop.
3373 2006-03-30 Richard Guenther <rguenther@suse.de>
3375 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3376 variants with double arguments.
3378 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3380 * genpreds.c (write_tm_constrs_h): Delete variable p.
3381 * genconditions.c (write_header): Add tm-constrs.h to included
3383 * genpeep.c (main): Add toplev.h to included headers.
3384 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3385 (build/genpeep.o): Add toplev.h dependency.
3386 * config/rs6000/constraints.md: Add "W" constraint.
3388 2006-03-29 Roger Sayle <roger@eyesopen.com>
3390 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3391 sizes by correctly testing whether the size fits a host integer.
3392 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3393 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3394 SImode range for the default sizetype and bitsizetype.
3396 2006-03-29 Roger Sayle <roger@eyesopen.com>
3398 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3399 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3400 quickly if the argument is already of the correct type.
3401 Call fold_build1 instead of build1. Tidy up blank lines.
3403 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3405 * genemit.c (main): Add tm-constrs.h to included headers.
3406 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3407 * genpeep.c (main): Add tm-constrs.h to included headers.
3408 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3409 (write_tm_constrs_h): this and write complete file.
3410 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3411 (write_insn_preds_c): Add tm-constrs.h to included headers.
3412 (gen_constrs): New variable.
3413 (parse_option): Parse "-c".
3414 (main): Invoke write_tm_constrs_h.
3415 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3416 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3417 (object_out_file): Add tm-constrs.h dependency.
3418 (insn-emit.o): Same.
3419 (insn-output.o): Same.
3420 (insn-peep.o): Same.
3421 (insn-preds.o): Same.
3422 (insn-recog.o): Same.
3423 (tm-constsr.h): New target.
3424 (s-constrs-h): New target.
3426 * config/rs6000/constraints.md: New file.
3427 * config/rs6000/rs6000.c: Include tm-constrs.h.
3428 (num_insn_constant_wide): Convert to satisfies_constraint.
3429 (rs6000_rtx_costs): Convert to satisfies_constraint.
3430 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3431 (CONST_OK_FOR_LETTER_P): Delete.
3432 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3433 (EXTRA_CONSTRAINT): Delete.
3434 (EXTRA_MEMORY_CONSTRAINT): Delete.
3435 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3436 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3437 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3438 satisfies_constraint.
3440 * config/i386/i386.c: Include tm-constrs.h.
3442 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3444 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3445 * tree-data-ref.c (find_data_references_in_loop,
3446 compute_data_dependences_for_loop): Use pointers to VEC.
3447 (analyze_all_data_dependences): Adjust calls.
3448 * tree-data-ref.h (find_data_references_in_loop,
3449 compute_data_dependences_for_loop): Adjust declarations.
3450 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3451 compute_data_dependences_for_loop.
3453 2006-03-29 Paul Brook <paul@codesourcery.com>
3455 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3458 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3460 PR tree-optimization/26859
3461 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3463 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3464 for the step after fold_convert.
3466 2006-03-29 Paul Brook <paul@codesourcery.com>
3468 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3469 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3471 2006-03-29 Paul Brook <paul@codesourcery.com>
3474 * targhooks.c (default_narrow_bitfield): New fuction.
3475 * targhooks.h (default_narrow_bitfield): add prototype.
3476 * target.h (gcc_target): Add narrow_volatile_bitfield.
3477 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3478 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3479 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3480 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3482 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3484 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3486 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3487 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3488 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3489 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3490 (s390_function_arg_float): Allow SDmode and DDmode values to be
3491 passed in floating point registers.
3492 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3493 check with SCALAR_FLOAT_MODE_P.
3494 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3496 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3498 PR tree-optimization/25985
3499 * tree-ssa-loop-niter.c (number_of_iterations_le,
3500 number_of_iterations_ne): Make comments more precise.
3501 (number_of_iterations_cond): Add only_exit argument. Use the
3502 fact that signed variables do not overflow only when only_exit
3504 (loop_only_exit_p): New.
3505 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3506 number_of_iterations_cond.
3508 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3510 PR tree-optimization/26643
3511 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3514 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3516 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3517 (divsi3_i4_int): Likewise.
3519 2006-03-28 Roger Sayle <roger@eyesopen.com>
3521 * expr.c (emit_group_store): Only create a new pseudo reg if the
3522 quantity it needs to hold isn't already a suitable pseudo.
3524 2006-03-28 Jeff Law <law@redhat.com>
3526 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3527 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3529 2006-03-28 Roger Sayle <roger@eyesopen.com>
3531 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3532 the equivalent ~X & Y, and the symmetry related transformations.
3533 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3534 ~X & Y, and symmetry related transforms.
3536 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3538 Revert my 2006-03-27 patches.
3540 2006-03-28 Roger Sayle <roger@eyesopen.com>
3542 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3543 ~(T1)X, when T1 and T2 are integer types of the same precision
3544 and (T2)X isn't an extension.
3546 2006-03-28 Jeff Law <law@redhat.com>
3548 PR tree-optimization/26796
3549 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3550 need EH edge cleanups rather than purging them immediately.
3551 (eliminate_degenerate_phis): Handle queued EH cleanups.
3553 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3555 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3558 2006-03-27 Roger Sayle <roger@eyesopen.com>
3561 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3562 cast BIT_NOT_EXPR operand to the correct type.
3564 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3566 * tree-loop-linear.c: Don't include varray.h.
3567 (gather_interchange_stats, try_interchange_loops,
3568 linear_transform_loops): Use VEC instead of VARRAY.
3569 * lambda-mat.c: Don't include varray.h.
3570 * tree-chrec.c: Same.
3571 * lambda-trans.c: Same.
3572 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3573 VEC instead of VARRAY.
3574 * tree-vectorizer.h: Idem.
3575 * tree-data-ref.c (dump_data_references,
3576 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3577 initialize_data_dependence_relation, finalize_ddr_dependent,
3578 compute_all_dependences, find_data_references_in_loop,
3579 compute_data_dependences_for_loop, analyze_all_data_dependences,
3580 free_dependence_relation, free_dependence_relations,
3581 free_data_refs): Idem.
3582 * tree-data-ref.h (data_reference_p, subscript_p): New.
3583 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3584 VEC instead of VARRAY.
3585 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3586 (find_data_references_in_loop, compute_data_dependences_for_loop,
3587 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3588 dump_data_dependence_relations, free_dependence_relations,
3589 free_data_refs): Adjust declaration.
3590 (lambda_transform_legal_p): Move declaration here...
3591 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3592 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3593 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3594 vect_analyze_data_refs): Use VEC instead of VARRAY.
3595 * lambda.h (lambda_transform_legal_p): ...from here.
3596 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3597 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3598 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3599 tree-chrec.o): Don't depend on VARRAY_H.
3601 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3603 * rtl.def (Copyright): Update date.
3604 (DEPS_LIST): Change type of the second operand to 'int'.
3605 * target.h (Copyright): Update date.
3606 (struct gcc_target.speculate_insn): Change type of the second parameter
3608 * lists.c (Copyright): Update date.
3609 (alloc_DEPS_LIST): Change signature. Update reference to the second
3610 operand of the DEPS_LIST.
3611 (copy_DEPS_LIST_list): Update reference to the second operand of the
3613 * rtl.h (Copyright): Update date.
3614 (alloc_DEPS_LIST): Update signature.
3615 * sched-int.h (Copyright): Update date.
3616 (ds_t): Change typedef to 'int'.
3617 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3619 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3621 * haifa-sched.c (Copyright): Update date.
3622 (try_ready): Change condition to restore non-speculative pattern
3624 (process_insn_depend_be_in_spec): Code to keep probability of the
3625 speculative dependence non-decreasing.
3627 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3629 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3630 shut up the compiler.
3632 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3634 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3635 to use lib prefix for target.
3636 ($(T)libic_invalidate_array_4-200.a): Likewise.
3637 ($(T)libic_invalidate_array_4a.a): Likewise.
3639 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3640 J"orn Rennecke <joern.rennecke@st.com>
3642 * superh.opt: New file.
3643 * sh.c (boardtype, osruntime): Remove.
3644 * superh.h (SUBTARGET_OPTIONS): Remove.
3645 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3647 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3648 arguments with ^ and/or [].
3650 * config.gcc (sh-*-*): Add quoting to account for quirk of
3652 Replace == with = in enable_incomplete_targets test.
3654 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3655 with MASK_LITTLE_ENDIAN.
3657 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3658 * config/sh/sh.opt: Added to some comments.
3659 * config/sh/superh.h: Removed some chaff.
3661 * config/sh/sh.opt: Add m4-[1234]00* options.
3662 * config/sh/sh.c (sh_handle_option): Likewise.
3663 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3664 (ic_invalidate_array_4-100.o): New rule.
3665 ($(T)libic_invalidate_array_4-100.a): Likewise.
3666 (ic_invalidate_array_4-200.o): Likewise.
3667 ($(T)libic_invalidate_array_4-200.a): Likewise.
3668 (ic_invalidate_array_4a.o): Likewise.
3669 ($(T)libic_invalidate_array_4a.a): Likewise.
3670 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3671 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3673 * config/sh/crt1.asm: Merged in profiling code.
3674 * config/sh/superh.h (STARTFILE_SPEC): Override.
3675 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3676 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3677 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3679 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3680 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3681 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3683 * sh.opt (mpretend-cmove): New option.
3684 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3685 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3686 (movsicc): Add TARGET_PRETEND_CMOVE code.
3688 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3690 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3691 s390_class_max_nregs): New function prototypes.
3692 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3693 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3694 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3695 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3697 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3699 * dwarf2out.c (add_location_or_const_value_attribute): Call
3700 tree_add_const_value_attribute if nothing else works.
3701 (reference_to_unused): New.
3702 (rtl_for_decl_init): Use reference_to_unused to decide whether
3703 to output an initializer.
3705 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3708 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3709 peephole removing spe frob_di_df_2.
3711 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3713 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3714 (subscript_dependence_tester_1): Declared.
3715 (print_dir_vectors, print_dist_vectors): New.
3716 (debug_data_dependence_relation): New.
3717 (dump_data_dependence_relation): Print more details.
3718 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3719 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3720 (save_dist_v, save_dir_v, add_outer_distances,
3721 build_classic_dist_vector_1): New.
3722 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3723 Don't test for lambda_vector_lexico_pos.
3724 (same_access_functions, add_multivariate_self_dist,
3725 add_other_self_distances, dir_from_dist): New.
3726 (build_classic_dir_vector): Replace implementation almost identical to
3727 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3729 (subscript_dependence_tester_1): New.
3730 (subscript_dependence_tester): Handle the lexicographically negative
3731 distance vectors by recomputing the dependence relation.
3732 (compute_affine_dependence): Remove parameter loop_nest_depth.
3733 (compute_self_dependence): Don't call compute_subscript_distance.
3734 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3735 Add a parameter for the loop_nest.
3736 (find_loop_nest_1, find_loop_nest): New.
3737 (compute_data_dependences_for_loop): Compute the loop nest, and give
3738 up if the nest is not well formed.
3739 * tree-data-ref.h (loop_p): New.
3740 (struct data_dependence_relation): Replace size_vect field with
3741 loop_nest, a vec of loops.
3742 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3743 (DDR_LOOP_NEST): New.
3744 (print_dir_vectors, print_dist_vectors,
3745 debug_data_dependence_relation): Declared.
3746 (index_in_loop_nest): New.
3747 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3748 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3751 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3753 * simplify-rtx.c (simplify_relational_operation): Call
3754 simplify_relational_operation_1 even if mode is VOIDmode.
3756 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3758 PR tree-optimization/26804
3759 * tree.h (DECL_CALL_CLOBBERED): New macro.
3760 (tree_decl_common): Add call_clobbered_flag.
3761 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3762 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3763 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3764 (mark_non_addressable): Ditto.
3765 * tree-ssa.c (verify_call_clobbered): New function.
3766 (verify_alias_info): Use it.
3767 * tree-pass.h (pass_reset_cc_flags): New prototype.
3768 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3769 (reset_cc_flags): New function.
3770 * passes.c (init_optimization_passes): Call reset_cc_flags after
3771 initializing referenced_vars.
3773 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3774 Roger Sayle <roger@eyesopen.com>
3777 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3778 to 1.0 for non-real operands. Implement A / A optimization for
3781 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3783 * config/i386/i386.c (size_cost): Correct the comment for
3784 cost of storing fp registers.
3785 (i386_cost): Likewise.
3786 (i486_cost): Likewise.
3787 (pentium_cost): Likewise.
3788 (pentiumpro_cost): Likewise.
3789 (k6_cost): Likewise.
3790 (athlon_cost): Likewise.
3791 (k8_cost): Likewise.
3792 (pentium4_cost): Likewise.
3793 (nocona_cost): Likewise.
3794 (generic64_cost): Likewise.
3795 (generic32_cost): Likewise.
3797 2006-03-24 Denis Chertykov <denisc@overta.ru>
3799 * config/avr/avr-protos.h (extra_constraint): Delete.
3800 (extra_constraint_Q): New declaration.
3801 * config/avr/constraints.md: New file.
3802 * config/avr/avr.md: Include it.
3803 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3804 (TMP_REGNO, ZERO_REGNO): Likewise.
3805 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3806 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3807 (extra_constraint): Delete.
3808 (extra_constraint_Q): Test for memory constraint 'Q'.
3809 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3810 (REG_CLASS_FROM_LETTER): Delete.
3811 (CONST_OK_FOR_LETTER_P): Delete.
3812 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3813 (EXTRA_CONSTRAINT): Delete.
3814 (TMP_REGNO): Delete.
3815 (ZERO_REGNO): Delete.
3817 2006-03-24 Jeff Law <law@redhat.com>
3819 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3820 directly. Call mark_new_vars_to_rename slightly earlier.
3822 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3824 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3826 (gen_compile_unit_die): Use new language types for Objective-C and
3828 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3829 DW_LANG_C_plus_plus.
3832 * config/t-darwin (crt3.o): Work around bug 26840.
3833 * config/darwin-crt3.c: Rewrite.
3834 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3836 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3838 * doc/invoke.texi: Document -femit-class-debug-always
3839 * common.opt: Add -femit-class-debug-always.
3841 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3843 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3844 index and base register.
3845 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3846 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3847 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3848 REGNO_OK_FOR_INDEX_P.
3849 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3851 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3852 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3853 REG_OK_FOR_BASE_P): Definitions removed.
3855 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3858 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3859 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3860 set yet or weren't marked as local yet.
3862 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3864 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3867 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3869 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3870 (rs6000_legitimate_small_data_p): Delete.
3871 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3872 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3873 and make static. Add forward declaration. Update uses.
3874 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3875 of offsettable_memref_p.
3876 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3877 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3879 2006-03-24 Jeff Law <law@redhat.com>
3881 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3882 around bug in immediate-use iterator.
3884 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3887 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3888 or __LITTLE_ENDIAN__.
3890 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3892 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3893 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3894 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3895 * config/sh/sh.opt (mdiv=): Amend description.
3896 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3897 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3898 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3899 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3900 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3901 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3902 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3903 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3904 TARGET_DIVIDE_CALL_FP.
3906 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3908 * haifa-sched.c (choose_ready): Fix type of the local variable.
3909 Move local variables. Add comment.
3910 (check_reg_live): Change signature. Make callable from debugger.
3911 * sched-int.h (check_reg_live): Update signature.
3912 * sched-ebb.c (check_reg_live): Update parameters.
3913 * sched-rgn.c (check_reg_live): Ditto.
3914 (region_head_or_leaf_p): Check pointer before dereferencing.
3915 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3916 before reload on optimization levels below 1.
3918 2006-03-23 Richard Henderson <rth@redhat.com>
3920 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3924 * config/alpha/predicates.md (local_symbolic_operand): Reject
3927 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3930 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3931 expressions which have overflowed constants.
3933 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3935 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3937 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3939 * cfgloopmanip.c (create_loop_notes): Removed.
3940 * final.c (final_scan_insn): Do not handle loop notes.
3941 * jump.c (squeeze_notes): Ditto.
3942 * cfglayout.c (skip_insns_after_block,
3943 duplicate_insn_chain): Ditto.
3944 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3946 * cfgloop.h (create_loop_notes): Declaration removed.
3948 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3950 * varasm.c (output_constant_pool): Restore fnname and fndecl
3952 (assemble_start_function): Adjust call accordingly.
3953 (assemble_end_function): Likewise.
3955 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3958 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3961 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3963 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3966 * system.h (ICE_EXIT_CODE): New macro.
3967 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3968 (diagnostic_action_after_output): Likewise.
3969 * gcc.c (fatal_ice): New function.
3970 (execute): Use it instead of fatal.
3971 (fancy_abort): Likewise.
3972 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3974 2006-03-22 Jeff Law <law@redhat.com>
3976 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3977 iv_analyze_result returning false.
3979 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3981 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3983 2006-03-22 Richard Henderson <rth@redhat.com>
3986 * except.c (duplicate_eh_regions_0): New.
3987 (duplicate_eh_region_1): Duplicate the children of the node as
3988 well as the node itself. Link them up properly.
3989 (duplicate_eh_region_2): Merge into ...
3990 (duplicate_eh_regions): ... here. Take copy_region argument, and
3991 copy only a sub-tree if asked. Simplify copying and fixup.
3992 (eh_region_outer_p): New.
3993 * except.h (duplicate_eh_regions): Update decl.
3994 (eh_region_outer_p): Declare.
3995 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3996 (lower_omp_master): Likewise.
3997 (lower_omp_ordered): Likewise.
3998 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3999 (move_stmt_r): Use it to remap labels. Handle recursion vs
4000 remap_decls_p properly.
4001 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4002 (find_outermost_region_in_block): New.
4003 (new_label_mapper): New.
4004 (move_sese_region_to_fn): Copy eh information to the new function
4006 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4008 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4011 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4013 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4014 into shared libraries.
4016 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4018 * doc/md.texi: Refer to i386/constraints.md instead of
4020 * config/i386/constraints.md: New file, extracted from...
4021 * config/i386/predicates.md: ...here.
4022 * config/i386/i386.md: Include constraints.md.
4024 2006-03-21 Jason Merrill <jason@redhat.com>
4026 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4029 * expr.c (init_block_move_fn): Force default visibility.
4030 (init_block_clear_fn): Likewise.
4031 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4032 * targhooks.c (default_external_stack_protect_fail): Likewise.
4034 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4036 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4037 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4038 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4039 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4040 (loadgp): Use mips_current_loadgp_style.
4041 (loadgp_noshared): New pattern.
4042 (sibcall_internal): Use MIPS_CALL.
4043 (sibcall_value_internal): Likewise.
4044 (sibcall_value_multiple_internal): Likewise.
4045 (call_internal): Likewise.
4046 (call_value_internal): Likewise.
4047 (call_value_multiple_internal): Likewise.
4048 (call_split): Use MIPS_CALL and add an 'S' constraint.
4049 (call_value_split): Likewise.
4050 (call_value_multiple_split): Likewise.
4051 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4052 (-mshared): New option.
4053 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4054 (mips_current_loadgp_style): Declare.
4055 * config/mips/mips.c (mips_classify_symbol): Avoid using
4056 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4057 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4058 TARGET_ABSOLUTE_ABICALLS.
4059 (override_options): Adjust comments. Improve the warning that is
4060 issued when -mabicalls and -G are used together.
4061 (mips_file_start): Remove comment.
4062 (mips_current_loadgp_style): New function.
4063 (mips_gnu_local_gp): New variable.
4064 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4066 (mips_output_function_prologue): Use mips_current_laodgp_style.
4067 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4068 the cprestore instruction.
4069 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4070 live for TARGET_ABSOLUTE_ABICALLS.
4071 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4072 (ASM_SPEC): Pass down -mshared and -mno-shared.
4073 (MIPS_CALL): New macro.
4074 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4076 * doc/invoke.texi (-mabicalls): Update documentation.
4077 (-mshared): Document.
4079 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4081 * config/ia64/unwind-hpux.c: New file.
4082 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4084 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4087 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4089 2006-03-21 Jeff Law <law@redhat.com>
4091 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4092 type conversions of a VR_VARYING source to a wider type.
4094 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4096 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4097 tm_file on Solaris 10 and later.
4098 (sparc64-*-solaris2*): Likewise.
4099 (sparc-*-solaris2*): Likewise.
4100 * config/sol26.h: Rename to config/sol2-6.h.
4101 * config/sol2-10.h: New file.
4103 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4106 * tree-ssa-pre.c (create_component_ref_by_pieces):
4109 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4112 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4113 return it immediately.
4115 2006-03-21 Michael Matz <matz@suse.de>
4117 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4119 (remove_arc, add_arc): Update num_out_arcs member.
4120 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4122 (cache_presence): New function.
4123 (compare_states_for_equiv): New function.
4124 (state_is_differed): Don't take number of outargs, adjust callers.
4125 Use new invariant for speeding up.
4126 (init_equiv_class): Create initial classes based on sorted
4128 (partition_equiv_class): Don't track out_arcs_num.
4129 (evaluate_equiv_classes): Call cache_presence on all states and
4132 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4134 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4135 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4136 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4137 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4139 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4140 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4141 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4142 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4143 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4145 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4146 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4147 (REGNO_REG_CLASS): ARGP is in PREGS.
4148 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4150 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4151 to deal with those addresses.
4152 * addresses.h: New file.
4153 * caller-save.c: Include "addresses.h".
4154 (init_caller_save): Use new base_reg_class function.
4155 * rtl-factoring.c: Include "addresses.h".
4156 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4157 * recog.c: Include "addresses.h".
4158 (preprocess_constraints): Use new base_reg_class function.
4159 * regrename.c: Include "addresses.h".
4160 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4161 functions. Keep track of a new var INDEX_CODE to compute valid
4163 (replace_oldest_value_addr): Likewise.
4164 (replace_oldest_value_mem): Use base_reg_class.
4165 * reload.c: Include "addresses.h".
4166 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4167 (find_reloads): Use new base_reg_class function.
4168 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4169 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4170 all callers and prototype changed.
4171 * reload1.c: Include "addresses.h".
4172 (maybe_fix_stack_asms): Use base_reg_class.
4173 * regclass.c: Include "addresses.h".
4174 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4175 (init_reg_autoinc): Use new base_reg_class function.
4176 (record_reg_classes): Likewise.
4177 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4178 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4179 Use new args to compute necessary class.
4181 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4182 regrename.o, rtl-factoring.o): Update dependencies.
4183 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4184 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4185 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4186 REG_OK_FOR_INDEX_P): Delete documentation.
4188 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4190 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4191 from V7 to V9 for Solaris 7 and above.
4193 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4195 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4196 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4197 argument pointers may not alias any other storage.
4198 * common.opt: Define option -fargument-noalias-anything.
4199 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4200 alias semantics is specified by flag_argument_noalias > 2.
4202 2006-03-20 Jeff Law <law@redhat.com>
4204 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4205 (pass_phi_only_cprop): Declare.
4206 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4208 * tree-ssa-dom.c (degenerate_phi_result): New function.
4209 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4210 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4211 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4212 (eliminate_degenerate_phis): Likewise.
4213 (pass_phi_only_cprop): New pass descriptor.
4214 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4215 support code. Callers updated.
4216 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4217 (store_copy_prop): Likewise.
4218 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4220 2006-03-20 Jason Merrill <jason@redhat.com>
4223 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4224 (push_visibility, pop_visibility): Likewise.
4225 * c-pragma.h: Declare them.
4227 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4229 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4231 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4232 parameter and use get_ebb_head_tail.
4233 (sh_md_init_global): Adjust uses of find_regmode_weight.
4235 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4237 * function.h (struct function) <x_tail_recursion_reentry>:
4238 Rename to x_stack_check_probe_note.
4239 (tail_recursion_reentry): Rename to stack_check_probe_note.
4240 * function.c: Replace tail_recursion_reentry with
4241 stack_check_probe_note everywhere.
4242 (expand_function_start): Only emit a note for
4243 stack_check_probe_note with -fstack-protect.
4244 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4246 * emit-rtl.c (remove_unnecessary_notes): Remove.
4247 (pass_remove_unnecessary_notes): Remove.
4248 * rtl.h (remove_unnecessary_notes): Remove prototype.
4249 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4250 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4251 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4253 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4256 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4257 (valid_in_set): Handle ARRAY_REF.
4258 Change "if min_variant or VH" to asserts.
4259 (create_component_ref_by_pieces): Handle ARRAY_REF.
4260 (create_expression_by_pieces): Likewise.
4261 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4263 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4265 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4266 is operand of switch, not str[0].
4268 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4270 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4271 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4273 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4275 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4276 end of insn_extra_address_constraint declaration.
4278 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4280 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4281 (no-sum-in-toc): Same.
4282 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4284 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4285 NO_FP_IN_TOC for -fPIC instead of mask.
4287 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4288 (BOOT_LDFLAGS): Delete.
4290 * config/rs6000/t-aix52: Same.
4292 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4293 (stmsi[345678]_power): New.
4295 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4297 * config/ia64/ia64.opt: Add empty line to end of file.
4299 2006-03-17 Richard Guenther <rguenther@suse.de>
4302 * builtins.c (get_pointer_alignment): For component style references
4303 adjust alignment to the component type alignment. Make sure
4304 to adjust alignment for component access of constants.
4306 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4308 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4311 2006-03-17 Paul Brook <paul@codesourcery.com>
4313 * doc/install.texi: Docuemnt --with-mode.
4314 * config.gcc: Add --with-mode for arm*-*-*.
4315 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4317 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4319 * sh.c (max_labelno_before_reorg): New variable.
4320 (sh_reorg): Initialize it.
4321 (find_barrier): Check max_labelno_before_reorg before using
4322 label_to_alignment. Take length of explicit alignment insns
4323 into account. When seeing a UNSPECV_CONST_END, return it.
4325 * sh.c (fixup_mova): Set mode of affected label to QImode.
4326 (untangle_mova): New function.
4327 (find_barrier): Use it. Check mode of label before decrementing
4329 (sh_reorg): Likewise.
4330 Set mode of all insns back to VOIDmode.
4332 * sh.c (MOVA_LABELREF): New macro.
4333 (mova_p, fixup_mova, sh_reorg): Use it.
4334 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4335 ADDR_DIFF_VEC matches mova.
4337 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4339 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4340 with ATTRIBUTE_UNUSED.
4342 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4344 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4345 pointer, instead of assuming it is possible to derive the
4346 correct args size from a call insn.
4348 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4350 * rtl.h (CONST_INT_P): Define.
4351 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4352 instead of GET_CODE(x) == CONST_INT.
4353 (vax_rtx_costs): Likewise.
4354 (vax_output_int_move): Likewise.
4355 (vax_output_int_add): Likewise.
4356 (legitimate_constant_address_p): Likewise.
4357 (index_term_p): Likewise.
4358 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4359 * config/vax/vax.md (and<mode>3): Likewise.
4360 (ashrsi3): Likewise.
4362 (movstricthi): Likewise.
4363 (movstrictqi): Likewise.
4364 (rotrsi3): Likewise.
4365 (five unnamed insns): Likewise.
4367 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4369 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4370 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4371 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4372 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4373 Pass to ASM_OUTPUT_DWARF_OFFSET.
4374 * dwarf2out.c (debug_frame_section): New.
4375 (output_call_frame_info): Use debug_frame_section. Pass it to
4376 dw2_asm_output_offset.
4377 (output_die): Pass appropriate section to dw2_asm_output_offset.
4378 (output_compilation_unit_header): Likewise.
4379 (output_pubnames): Likewise.
4380 (output_aranges): Likewise.
4381 (enum dw_val_class): Break dw_val_class_lbl_offset into
4382 dw_val_class_lineptr and dw_val_class_macptr.
4383 (add_AT_lbl_offset): Delete.
4384 (add_AT_lineptr): New.
4385 (add_AT_macptr): New.
4386 (AT_lbl): Expect a lineptr or macptr.
4387 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4388 (attr_checksum): Likewise.
4389 (same_dw_val_p): Likewise.
4390 (size_of_die): Likewise.
4391 (value_format): Likewise.
4392 (output_die): Likewise.
4393 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4395 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4396 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4397 * config/darwin-protos.h (darwin_file_start): New.
4398 (darwin_asm_output_dwarf_offset): New.
4399 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4400 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4402 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4403 if not EH section; simplify.
4404 (darwin_file_start): New.
4405 (darwin_asm_output_dwarf_offset): New.
4406 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4408 (DEBUG_INFO_SECTION): Likewise.
4409 (DEBUG_ABBREV_SECTION): Likewise.
4410 (DEBUG_ARANGES_SECTION): Likewise.
4411 (DEBUG_MACINFO_SECTION): Likewise.
4412 (DEBUG_LINE_SECTION): Likewise.
4413 (DEBUG_LOC_SECTION): Likewise.
4414 (DEBUG_PUBNAMES_SECTION): Likewise.
4415 (DEBUG_STR_SECTION): Likewise.
4416 (DEBUG_RANGES_SECTION): Likewise.
4417 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4418 (ASM_OUTPUT_DWARF_OFFSET): New.
4420 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4422 * config.gcc (tm_defines): Always add to previous value rather
4425 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4427 * config/mips/predicates.md (splittable_const_int_operand): New,
4428 split from move_operand.
4429 (splittable_symbolic_operand): New.
4430 (move_operand): Add commentary. Use splittable_const_int_operand.
4431 Inline mips_atomic_symbolic_constant_p.
4432 * config/mips/mips.md: Add combine splitters for handling moves
4433 of splittable_const_int_operands and splittable_symbolic_operands.
4434 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4435 (mips_split_symbol): Declare.
4436 (mips_move_integer): Declare.
4437 * config/mips/mips.c (mips_split_p): Make global.
4438 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4439 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4440 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4441 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4442 (mips_offset_within_object_p): Handle block symbols.
4443 (mips_atomic_symbolic_constant_p): Delete.
4444 (mips_cannot_force_const_mem): Return false for constants that
4445 mips_legitimize_move can handle.
4446 (mips_use_blocks_for_constant_p): New function.
4447 (mips_split_symbol): Make global.
4448 (mips_move_integer): Likewise. Add a temporary register argument.
4449 (mips_legitimize_const_move): Use splittable_const_int_operand and
4450 splittable_symbolic_operand.
4451 (mips_use_anchors_for_symbol_p): New function.
4452 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4453 (mips_split_p): Declare.
4455 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4457 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4458 (mips*-*-linux*): Likewise.
4460 2006-03-16 Roger Sayle <roger@eyesopen.com>
4461 Daniel Speyer <dspeyer@wam.umd.edu>
4464 * tree-dump.c (dump_real): New function.
4465 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4466 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4467 (tree-dump.o): Add $(REAL_H) to the dependencies.
4469 2006-03-16 Roger Sayle <roger@eyesopen.com>
4472 * real.c (real_from_string): If the mantissa is zero, don't bother
4473 parsing the exponent as the result should always be zero.
4475 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4477 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4479 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4481 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4482 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4483 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4484 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4485 ia64_sched_finish_global): New static functions to implement
4486 hooks from gcc_target.sched.
4487 (spec_check_no, max_uid, pending_data_specs): New static variables.
4488 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4489 ia64_spec_check_src_p): New static functions.
4490 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4491 (TARGET_SCHED_ADJUST_COST): Removed.
4492 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4493 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4494 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4495 TARGET_SCHED_GEN_CHECK,
4496 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4497 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4498 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4499 Fixed to handle speculation checks.
4500 (rtx_needs_barrier): Fixed to handle speculative loads and
4502 (ia64_variable_issue): Added code to count speculative loads and their
4504 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4506 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4508 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4510 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4511 (ia64_reorg): Reset stops_p to NULL after it is freed.
4512 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4513 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4514 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4516 (data_speculative, control_speculative, check_load): New attributes.
4517 (mov<mode>_advanced, mov<mode>_speculative,
4518 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4519 zero_extend<mode>di2_speculative,
4520 zero_extend<mode>di2_speculative_advanced): New patterns for
4521 data and control speculative loads.
4522 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4524 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4525 New pattern for data and control speculation checks.
4526 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4527 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4528 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4529 Auxiliary definitions for the patterns.
4530 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4531 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4533 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4535 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4536 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4537 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4538 New resource constraints.
4539 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4541 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4542 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4543 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4544 msched-in-control-spec, msched-ldc, msched-control-ldc,
4545 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4546 msched-prefer-non-control-spec-insns,
4547 msched-count-spec-in-critical-path): New flags to tune speculative
4549 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4550 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4551 msched-in-control-spec, msched-ldc, msched-control-ldc,
4552 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4553 msched-prefer-non-control-spec-insns,
4554 msched-count-spec-in-critical-path): Document new flags.
4556 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4558 * target.h (struct spec_info_def): New opaque declaration.
4559 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4560 speculate_insn, needs_block_p, gen_check,
4561 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4562 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4563 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4564 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4565 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4566 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4568 (TARGET_SCHED): Use new macros.
4569 * rtl.h (copy_DEPS_LIST_list): New prototype.
4570 * sched-int.h (struct sched_info): Change signature of new_ready field,
4571 adjust all initializations. New fields: add_remove_insn,
4572 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4573 region_head_or_leaf_p.
4574 (struct spec_info_def): New structure declaration.
4575 (spec_info_t): New typedef.
4576 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4577 recovery_block, orig_pat.
4578 (glat_start, glat_end): New variables declaraions.
4579 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4581 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4582 DETACH_LIFE_INFO, USE_GLAT.
4583 (enum SPEC_SCHED_FLAGS): New enumeration.
4584 (NOTE_NOTE_BB_P): New macro.
4585 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4586 attach_life_info, debug_spec_status, check_reg_live): New functions.
4587 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4588 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4590 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4591 * ddg.c (get_block_head_tail): Adjust all uses.
4592 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4593 (sms_sched_info): Initialize new fields.
4594 (contributes_to_priority): Removed.
4595 * haifa-sched.c (params.h): New include.
4596 (get_block_head_tail): Adjust all uses.
4597 (ISSUE_POINTS): New macro.
4598 (glat_start, glat_end): New global variables.
4599 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4600 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4601 old_last_basic_block, before_recovery, current_sched_info_var,
4602 rgn_n_insns, luid): New static variables.
4603 (insn_cost1): New function. Move logic from insn_cost to here.
4604 (find_insn_reg_weight1): New function. Move logic from
4605 find_insn_reg_weight to here.
4606 (reemit_notes, move_insn, max_issue): Change signature.
4607 (move_insn1): Removed.
4608 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4609 extend_bb): New static functions to support extension of scheduler's
4611 (generate_recovery_code, process_insn_depend_be_in_spec,
4612 begin_speculative_block, add_to_speculative_block,
4613 init_before_recovery, create_recovery_block, create_check_block_twin,
4614 fix_recovery_deps): New static functions to support
4615 generation of recovery code.
4616 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4617 restore_bb_notes, move_block_after_check, move_succs): New static
4618 functions to support ebb scheduling.
4619 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4620 functions to support handling of register live information.
4621 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4622 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4623 add_jump_dependencies): New static functions.
4624 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4625 consistancy checking.
4626 (debug_spec_status): New function to call from debugger.
4627 (priority): Added code to handle speculation checks.
4628 (rank_for_schedule): Added code to distinguish speculative instructions.
4629 (schedule_insn): Added code to handle speculation checks.
4630 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4631 Fixed to handle ebbs.
4632 (move_insn): Added code to handle ebb scheduling.
4633 (max_issue): Added code to use ISSUE_POINTS of instructions.
4634 (choose_ready): Added code to choose between speculative and
4635 non-speculative instructions.
4636 (schedule_block): Added code to handle ebb scheduling and scheduling of
4637 speculative instructions.
4638 (sched_init): Initialize new variables.
4639 (sched_finish): Free new variables. Print statistics.
4640 (try_ready): Added code to handle speculative instructions.
4641 * lists.c (copy_DEPS_LIST_list): New function.
4642 * sched-deps.c (extend_dependency_caches): New function. Move logic
4643 from create_dependency_caches to here.
4644 (get_dep_weak, ds_merge): Make global.
4645 * genattr.c (main): Code to output prototype for
4646 dfa_clear_single_insn_cache.
4647 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4648 (output_dfa_clean_insn_cache_func): Code to output
4649 dfa_clear_single_insn_cache function.
4650 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4652 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4654 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4655 New static variables.
4656 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4657 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4659 (ebb_sched_info): Initialize new fields.
4660 (get_block_head_tail): Adjust all uses.
4661 (compute_jump_reg_dependencies): Fixed to use glat_start.
4662 (schedule_ebb): Code to remove unreachable last block.
4663 (schedule_ebbs): Added code to update register live information.
4664 * sched-rgn.c (region_sched_info): Initialize new fields.
4665 (get_block_head_tail): Adjust all uses.
4666 (last_was_jump): Removed. Adjust users.
4667 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4668 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4669 Implement new hooks.
4670 (check_dead_notes1): New static function.
4671 (struct region): New fields: dont_calc_deps, has_real_ebb.
4672 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4673 (BB_TO_BLOCK): Fixed to handle EBBs.
4674 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4675 (ebb_head): New static variable.
4676 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4677 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4679 (compute_dom_prob_ps): New assertion.
4680 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4681 global_live_at_start.
4682 (init_ready_list): New assertions.
4683 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4684 (new_ready): Add support for BEGIN_CONTROL speculation.
4685 (schedule_insns): Fixed code that updates register live information
4687 (schedule_region): Fixed to handle EBBs.
4688 (init_regions): Use extend_regions and check_dead_notes1.
4689 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4690 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4691 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4692 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4693 TARGET_SCHED_GEN_CHECK,
4694 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4695 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4696 * doc/invoke.texi (max-sched-insn-conflict-delay,
4697 sched-spec-prob-cutoff): Document.
4699 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4701 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4702 inter_tick, queue_index.
4703 (struct sched_info): Change signature of init_ready_list field.
4704 Adjust all initializations.
4705 (RESOLVED_DEPS): New access macro.
4706 (ready_add): Remove prototype.
4707 (try_ready): Add prototype.
4708 * sched-rgn.c (init_ready_list): Use try_ready.
4709 (schedule_region): Initialize
4710 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4711 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4712 (init_ready_list): Use try_ready.
4713 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4714 * lists.c (remove_list_elem): Remove `static'.
4715 (remove_free_INSN_LIST_elem): New function.
4716 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4717 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4718 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4720 (readyp): New variable.
4721 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4722 change_queue_index, resolve_dep): New static functions.
4723 (try_ready): New function. Adjust callers in sched-rgn.c and
4724 sched-ebb.c to use it instead of ready_add.
4725 (clock_var): Move at the begining of file.
4726 (rank_for_schedule): Fix typo.
4727 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4728 (ready_lastpos): Enforce assertion.
4729 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4731 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4732 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4733 (queue_to_ready): Use free_INSN_LIST_list.
4734 (early_queue_to_ready): Fix typo.
4735 (schedule_block): Init readyp. Move init_ready_list call after the
4736 initialization of clock_var. Fix error in rejecting insn by
4737 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4738 that previously corrected INSN_TICKs. Add code for handling
4740 (set_priorities): Fix typo.
4741 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4742 Clarify comment and code that keeps current_sched_info->next_tail
4745 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4747 * sched-rgn.c (extend_rgns): New static function.
4748 (find_rgns): Use it.
4749 (gather_region_statistics, print_region_statistics): New static
4751 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4752 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4754 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4755 Andrey Belevantsev <abel@ispras.ru>
4757 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4758 * lists.c (unused_deps_list): New variable.
4759 (free_list): Add assertions to verify the proper distinguishing
4760 between INSN_LISTs and DEPS_LISTs.
4761 (find_list_elem, remove_list_elem, remove_list_node): New static
4763 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4764 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4765 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4766 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4768 (free_INSN_LIST_node): Likewise.
4769 * modulo-sched.c (current_sched_info): Initialize flags field.
4770 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4771 * rtl.def (DEPS_LIST): Define.
4772 * rtl.h: Declare new functions from lists.c.
4773 * sched-deps.c (spec_dependency_cache): New static variable.
4774 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4775 (add_dependence): Change return type to void. Move the logic to ...
4776 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4777 (delete_all_dependences): Add comment about forward_dependency_cache.
4778 Handle spec_dependency_cache. Handle DEPS_LISTs.
4779 (fixup_sched_groups): Clarify the change of priority of output
4780 and anti dependencies.
4781 (sched_analyze_2): Adjust add_dependence calls to create data
4782 speculative dependence.
4783 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4784 Adjust all callers. Handle DEPS_LISTS.
4785 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4786 presence of speculation.
4787 (init_dependency_caches, free_dependency_caches):
4788 Handle spec_dependency_cache.
4789 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4790 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4791 New static functions.
4792 (add_or_update_back_dep, add_or_update_back_forw_dep,
4793 add_back_forw_dep, delete_back_forw_dep): New functions.
4794 * sched-int.h (ds_t, dw_t): New typedefs.
4795 (struct sched_info): Add new field flags.
4796 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4797 Prototype new sched-deps.c functions.
4798 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4799 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4800 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4801 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4802 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4803 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4805 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4807 * sched-rgn.c (current_sched_info): Initialize flags field.
4808 (schedule_insns): Initialize current_sched_info before the sched_init
4810 * sched-ebb.c (current_sched_info): Initialize flags field.
4811 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4812 Call add_or_update_back_dep instead of add_dependence.
4813 Create control speculative dependencies.
4814 (schedule_insns): Initialize current_sched_info before the sched_init
4817 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4819 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4821 (sh_fallback_frame_state): Likewise.
4823 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4825 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4826 Do switch on default_use_cxa_atexit.
4827 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4828 * config/darwin-crt3.o: New.
4829 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4830 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4831 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4833 * config/rs6000/t-darwin: Move crt2.o building to here.
4834 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4835 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4838 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4840 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4841 from '! xxx' to '!xxx' for coding-style conformance.
4842 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4843 (EXTRA_CONSTRAINT): Likewise.
4844 * config/vax/vax.md (four unnamed insns): Likewise.
4846 2006-03-15 Paul Brook <paul@codesourcery.com>
4848 * config/arm/arm.c (minipool_pad): New.
4849 (add_minipool_forward_ref): Include pool alignment padding in address
4851 (push_minipool_fix): Set minipool_pad.
4852 (minipool_pad): Ditto.
4854 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4856 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4857 instead of GET_CODE() == MEM and REG_P() instead of
4859 (print_operand_address): Likewise.
4860 (vax_address_cost): Likewise.
4861 (vax_rtx_costs): Likewise.
4862 (vax_notice_update_cc): Likewise.
4863 (vax_output_int_add): Likewise.
4864 (INDEX_REGISTER_P): Likewise.
4865 (BASE_REGISTER_P): Likewise.
4866 (nonindexed_address_p): Likewise.
4867 (vax_mode_dependent_address_p): Likewise.
4868 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4869 (PRINT_OPERAND): Likewise.
4870 * config/vax/vax.md (ashlsi3): Likewise.
4871 (ashlsi3): Likewise.
4872 (some more unnamed insns): Likewise.
4874 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4876 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4877 iterator-style macro.
4878 (mark_control_dependent_edges_necessary): Update the use of
4879 EXECUTE_IF_CONTROL_DEPENDENT.
4881 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4883 * config/sh/predicates.md (cache_address_operand): Special.
4884 (ua_address_operand): Likewise.
4886 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4888 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4890 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4892 2006-03-15 Andreas Schwab <schwab@suse.de>
4894 * gensupport.c (identify_predicable_attribute): Don't free p_false
4895 when it is still in use.
4897 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4899 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4900 the default setting here.
4902 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4904 * tree-pass.h (pass_cfg): Remove.
4905 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4906 * passes.c (pass_cfg): Don't run it.
4908 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4910 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4911 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4913 (stack_regs_mentioned): Update the uses of
4914 stack_regs_mentioned_data. Don't access the array beyond its
4916 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4917 Don't include gt-reg-stack.h.
4919 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4920 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4922 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4925 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4928 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4930 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4932 2006-03-14 Richard Guenther <rguenther@suse.de>
4934 PR tree-optimization/26672
4935 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4938 2006-03-14 Richard Guenther <rguenther@suse.de>
4940 PR tree-optimization/26667
4941 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4942 node for the callees. Always allow inlining if it will shrink
4945 2006-03-14 Richard Guenther <rguenther@suse.de>
4948 * builtins.c (get_pointer_alignment): Prefer alignment
4949 information from decls over that from types.
4951 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4954 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4956 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4958 * config/rs6000/rs6000.opt (mdlmzb): New option.
4959 (msched-prolog, msched-epilog): Use Var not Mask.
4960 * doc/invoke.texi (-mdlmzb): Document.
4961 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4963 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4964 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4966 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4968 PR rtl-optimization/25739
4969 * bt-load.c (augment_live_range): Free tos pointer.
4971 * gensupport.c (identify_predicable_attribute): Free
4973 * gcov.c (create_file_names): Free name pointer.
4975 2006-03-13 Roger Sayle <roger@eyesopen.com>
4978 * stmt.c (emit_case_nodes): Handle the case where the index is a
4979 CONST_INT, where the comparison mode is specified by the index type.
4981 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4983 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4986 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4988 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4989 (*branch_fp_inverted): Likewise.
4991 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4994 * omp-low.c (expand_omp_for_generic): Mark istart0
4995 and iend0 as addressable.
4997 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4999 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5001 2006-03-13 Jeff Law <law@redhat.com>
5003 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5004 virtual operands are interesting.
5005 (vrp_visit_stmt): Corresponding changes.
5007 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5009 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5011 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5012 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5013 * config/bfin/crti.S: Use it instead of __PIC__.
5014 * config/bfin/crtn.S: Likewise.
5016 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5017 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5019 Lose 'G' modifier for call operand.
5020 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5021 recognize 'G' modifier.
5023 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5026 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5027 * stmt.c (expand_case): Likewise.
5029 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5031 PR rtl-optimization/26254
5032 * loop-invariant.c (seq_insns_valid_p): New function.
5033 (move_invariant_reg): Only emit new code if it is valid.
5035 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5037 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5039 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5040 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5041 (commit_one_edge_insertion): Do not look for loop notes.
5043 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5045 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5046 flag_test_coverage out of loop.
5048 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5050 * final.c (shorten_branches): Remove outdated comment, and turn
5051 the if branch that guards it to continue.
5053 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5055 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5056 * cfgloop.h (struct loop): Remove unused fields.
5058 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5060 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5061 (-dL, -fdump-rtl-loop2): Update the dump file names
5063 * doc/invoke.texi: Update dump file names.
5065 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5067 * predict.c (estimate_probability): Remove.
5068 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5069 * basic-block.h (estimate_probability): Remove prototype.
5070 * passes.c (finish_optimization_passes): Dump branch prediction or
5071 profiling heuristics to the .profile tree dump.
5072 (init_optimization_passes): Unqueue pass_branch_prob.
5074 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5076 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5078 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5079 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5081 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5083 * function.h (frame_offset_overflow): Declare.
5084 * function.c (frame_offset_overflow): New function.
5085 (assign_stack_local_1): Call it to detect that the offset overflows.
5086 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5088 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5090 * config/sh/sh.c: Include alloc-pool.h.
5091 (label_ref_list_pool): New alloc pool.
5092 (label_ref_list_t): New type for lists of labels.
5093 (struct pool_node): Make wend a label_ref_list_t.
5094 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5096 (dump_table): Likewise.
5097 (sh_reorg): Set up the alloc pool before using add_constant and
5098 dump_table, and destroy it when finishing.
5100 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5102 * config/mips/mips.c: Remove redundant comment.
5104 2006-03-10 Jason Merrill <jason@redhat.com>
5107 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5108 the target was declared 'register'.
5110 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5112 * genpreds.c (write_insn_constraint_len): Change definition of
5113 insn_constraint_len to return size_t to match the declaration.
5115 2006-03-10 DJ Delorie <dj@redhat.com>
5117 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5119 (m32c_expand_insv): Fix test for an AND mask.
5121 2006-03-10 Richard Guenther <rguenther@suse.de>
5124 * builtins.c (get_pointer_alignment): Handle component
5125 references for field alignment.
5127 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5129 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5130 when building with libgloss.
5131 (sh*elf): Implement --without-fp option.
5132 (sh64-superh-linux*): Don't multilib.
5134 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5136 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5138 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5140 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5141 Set it when one of the replacement functions returned true.
5142 Return TODO_cleanup_cfg if cfgchanged is true.
5143 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5145 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5147 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5148 instead of gen_lowpart.
5150 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5152 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5154 (mips_output_order_conditional_branch): Declare.
5155 * config/mips/mips.h (MIPS_BRANCH): New macro.
5156 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5157 for the comparison. Use gen_condjump.
5158 (mips_output_conditional_branch): Rework interface to take the
5159 asm templates for a direct branch and the inverse of a direct branch.
5160 (mips_output_order_conditional_branch): New function.
5161 (mips_builtin_branch_and_move): New function.
5162 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5163 branch condition. Use gen_single_cc as the condition for
5164 __builtin_mips_upper_* or __builtin_mips_lower_*.
5165 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5166 Use VOIDmode for the branch condition.
5167 * config/mips/predicates.md (order_operator): New predicate.
5168 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5169 (branch_fp): Rename to...
5170 (*branch_fp): ...this. Remove mode from comparison operator.
5171 Use new mips_output_conditional_branch interface.
5172 (branch_fp_inverted): Rename to...
5173 (*branch_fp_inverted): ...this and update as for *branch_fp.
5174 (*branch_zero<mode>): Rename to...
5175 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5176 Use mips_output_order_conditional_branch. Only accept ordered
5178 (*branch_zero<mode>_inverted): Rename to...
5179 (*branch_order<mode>_inverted): ...this and update as for
5180 *branch_order<mode>.
5181 (*branch_equality<mode>): Accept zero as the second operand to
5182 the equality operator. Use the new mips_output_conditional_branch
5184 (*branch_equality<mode>_inverted): Likewise.
5185 (condjump): New expander.
5186 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5188 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5189 (bc1any2t, bc1any2f): Likewise.
5190 (single_cc): New expander.
5191 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5193 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5195 * doc/md.texi: Update documentation of MIPS constraints.
5196 * config/mips/constraints.md: New file.
5197 * config/mips/mips.md: Include it.
5198 * config/mips/mips.c (mips_char_to_class): Delete.
5199 (override_options): Don't initialize mips_char_to_class.
5200 * config/mips/mips.h (mips_char_to_class): Delete.
5201 (REG_CLASS_FROM_LETTER): Delete.
5202 (CONST_OK_FOR_LETTER_P): Delete.
5203 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5204 (EXTRA_CONSTRAINT_Y): Delete.
5205 (EXTRA_CONSTRAINT_STR): Delete.
5206 (CONSTRAINT_LEN): Delete.
5207 (EXTRA_MEMORY_CONSTRAINT): Delete.
5209 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5211 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5212 original fn's eh regions.
5214 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5216 * fold-const.c (build_range_check): Make sure to use a valid type to
5217 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5220 (range_predecessor): New static function.
5221 (range_successor): Likewise.
5222 (merge_ranges): Use them to compute predecessors and successors of
5225 2006-03-09 Roger Sayle <roger@eyesopen.com>
5228 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5229 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5231 2006-03-08 DJ Delorie <dj@redhat.com>
5233 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5234 (addpsi3): Expand to include memory operands. Remove
5235 reload-specific splits.
5236 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5237 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5238 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5239 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5240 (shift1_qi, shift1_hi, insv): New.
5241 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5242 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5243 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5245 * config/m32c/m32c-protos.h: Update as needed.
5246 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5247 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5248 Fail for unrecognized R* constraints.
5249 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5250 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5251 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5253 (m32c_init_libfuncs): New.
5254 (m32c_legitimate_address_p): Add debug wrapper.
5255 (m32c_rtx_costs): New.
5256 (m32c_address_cost): New.
5257 (conversions): Add 'B' prefix.
5258 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5259 operands, or word regnames for QI operands. 'B' prints bit
5261 (m32c_expand_setmemhi): New.
5262 (m32c_expand_movmemhi): New.
5263 (m32c_expand_movstr): New.
5264 (m32c_expand_cmpstr): New.
5265 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5266 (m32c_expand_neg_mulpsi3): Handle non-ints.
5267 (m32c_cmp_flg_0): New.
5268 (m32c_expand_movcc): New.
5269 (m32c_expand_insv): New.
5270 (m32c_scc_pattern): New.
5271 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5272 a0/a1 out of SIregs.
5273 (STORE_FLAG_VALUE): New.
5274 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5277 * config/m32c/mov.md: Make constraints more liberal.
5278 (zero_extendqihi2): Optimize r0/r1 case.
5279 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5280 * config/m32c/predicates.md (m32c_any_operand): New.
5281 (m32c_nonimmediate_operand): New.
5282 (m32c_hl_operand): New.
5283 (m32c_r3_operand): New.
5286 (memsym_operand): New.
5287 (memimmed_operand): New.
5288 (a_qi_operand): New.
5289 (m32c_eqne_operator): New.
5290 (m32c_1bit8_operand): New.
5291 (m32c_1bit16_operand): New.
5292 (m32c_1mask8_operand): New.
5293 (m32c_1mask16_operand): New.
5294 * config/m32c/blkmov.md: New file.
5295 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5297 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5299 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5300 unsigned to fix signed/unsigned comparison issue in
5301 DWARF2_FRAME_REG_OUT.
5302 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5303 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5305 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5306 of ptr into the ENABLE_CHECKING section.
5308 2006-03-08 Jeff Law <law@redhat.com>
5310 * tree-vrp.c (infer_value_range): Only count pointer uses
5311 and dereferences if -fdelete-null-pointer-checks is enabled.
5313 * tree-vrp.c (find_assert_locations): Infer value ranges for
5314 single use pointers, but do not create ASSERT_EXPRs for them.
5315 When a non-null range is inferred for a pointer, backwards
5316 propagate that range to other equivalent pointers through the
5319 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5322 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5323 language hook targets.
5324 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5325 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5326 if language hook targets were missing.
5328 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5330 * tree-ssa-opfinalize.h: Removed.
5331 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5333 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5334 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5335 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5336 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5337 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5338 finalize_ssa_v_must_def_ops): New.
5340 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5342 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5345 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5347 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5349 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5350 addresses with offsets; reorganize.
5352 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5353 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5354 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5356 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5359 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5361 2006-03-08 Ben Elliston <bje@au.ibm.com>
5363 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5365 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5368 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5371 2006-03-07 Richard Guenther <rguenther@suse.de>
5373 PR tree-optimization/26587
5374 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5376 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5378 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5380 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5382 * hooks.c (hook_bool_mode_rtx_true): New function.
5383 * hooks.h (hook_bool_mode_rtx_true): Declare.
5384 * toplev.c (compile_file): Call output_shared_constant_pool.
5385 * varasm.c (shared_constant_pool): New variable.
5386 (assemble_start_function, assemble_end_function): Remove arguments
5387 from call to output_constant_pool.
5388 (create_constant_pool): New function, split out from...
5389 (init_varasm_status): ...here.
5390 (force_const_mem): Choose between the shared and per-function constant
5391 pools. Set current_function_uses_const_pool when reusing old entries
5392 as well as when creating new ones.
5393 (mark_constant): Ignore data argument.
5394 (mark_constants): Remove pool argument.
5395 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5396 to decide whether the function uses a constant pool.
5397 (output_constant_pool_contents): New function, split out from...
5398 (output_constant_pool): ...here.
5399 (output_shared_constant_pool): New function.
5400 (init_varasm_once): Initialize shared_constant_pool.
5401 * output.h (output_constant_pool): Delete.
5402 (output_shared_constant_pool): Declare.
5403 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5404 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5406 2006-03-06 Nick Clifton <nickc@redhat.com>
5408 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5409 flag_strength_reduce.
5411 2006-03-06 Ben Elliston <bje@au.ibm.com>
5413 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5414 x86_64-*-linux* configurations.
5416 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5417 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5419 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5421 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5423 * basic-block.h: Remove the extern for
5424 rediscover_loops_after_threading.
5426 * cfgloop.c (cancel_loop): Make it static.
5427 * cfgloop.h: Remove the prototype for cancel_loop.
5429 * flow.c (recompute_reg_usage): Make it static.
5430 * rtl.h: Remove the prototype for recompute_reg_usage.
5432 * function.c (use_return_register): Make it static.
5433 * function.h: Remove the prototype.
5435 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5437 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5439 * recog.h: Remove the prototype for
5440 validate_change_maybe_volatile.
5442 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5444 * rtlanal.c (replace_reg): Remove.
5445 * rtl.h: Remove the prototype for replace_reg.
5447 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5449 * regclass.c (reg_scan_update): Remove.
5450 (reg_scan_mark_refs): Remove the last argument.
5451 * rtl.h: Remove the prototype for reg_scan_update.
5453 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5455 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5456 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5457 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5458 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5459 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5460 loop-invariant.c, omp-low.c, opts.c, passes.c,
5461 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5462 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5463 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5464 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5465 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5466 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5468 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5470 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5471 * dwarf2out.h: Remove the prototype for
5472 dwarf2out_add_library_unit_info.
5474 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5476 * tree.c (add_var_to_bind_expr): Remove.
5477 * tree.h: Remove the prototype for add_var_to_bind_expr.
5479 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5481 * regclass.c (n_non_fixed_regs): Remove.
5482 (init_reg_sets_1, globalize_reg): Remove all uses of
5484 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5486 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5488 * rtlanal.c (insns_safe_to_move_p): Remove.
5489 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5491 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5493 * expmed.c (expand_mult_add): Remove.
5494 * expr.h: Remove the prototype for expand_mult_add.
5496 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5498 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5499 and REG_SAVED_VAL_EXP constants.
5500 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5501 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5502 Handle regs stored by value.
5503 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5504 (execute_cfa_program): Handle DW_CFA_val_offset,
5505 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5506 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5507 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5508 (uw_install_context_1): Handle target regs stored by value.
5510 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5512 * tree-sra.c (tree_sra): Return todoflags;
5513 (generate_one_element): Set TODO_update_smt_usage if needed.
5514 (pass_sra): Remove TODO_update_smt_usage.
5515 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5517 (tree_ssa_forward_propagate_single_use_vars): Return
5518 TODO_update_smt_usage if we need to update SMT usage.
5519 (pass_forwprop): Remove TODO_update_smt_usage.
5521 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5523 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5524 (correct_use_link): Remove reference to get_stmt_operands.
5525 (update_stmt_operands): Likewise.
5526 (get_modify_expr_operands): New function factored out of
5527 parse_ssa_operands and get_expr_operands.
5528 Try to create V_MUST_DEFs for LHS by default.
5529 (get_expr_operands) <case MODIFY_EXPR>: Call
5530 get_modify_expr_operands.
5531 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5532 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5533 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5534 get_modify_expr_operands.
5536 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5538 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5539 * tree-flow.h: Remove the prototype for
5540 referenced_var_lookup_if_exists.
5542 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5544 PR rtl-optimization/26345
5546 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5548 2006-03-03 Roger Sayle <roger@eyesopen.com>
5550 PR tree-optimization/26524
5551 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5552 fold_convert to create a constant of the appropriate type.
5554 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5556 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5557 SYMBOL_REF_IN_BLOCK_P.
5558 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5559 of SYMBOL_FLAG_IN_BLOCK.
5560 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5561 instead of SYMBOL_REF_IN_BLOCK_P.
5562 * explow.c (use_anchored_address): Likewise.
5563 * rtl.c (rtx_size): Likewise.
5564 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5565 instead of SYMBOL_FLAG_IN_BLOCK.
5566 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5567 SYMBOL_REF_IN_BLOCK_P.
5568 (assemble_variable): Likewise.
5569 (output_constant_def_contents): Likewise.
5570 (output_constant_pool): Likewise.
5571 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5572 instead of SYMBOL_FLAG_IN_BLOCK.
5573 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5574 SYMBOL_REF_IN_BLOCK_P.
5575 (SYMBOL_REF_BLOCK): Likewise.
5576 (SYMBOL_REF_OFFSET): Likewise.
5577 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5578 SYMBOL_REF_IN_BLOCK_P.
5579 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5580 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5581 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5582 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5584 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5586 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5588 2006-03-02 Roger Sayle <roger@eyesopen.com>
5590 * simplify-rtx.c (simplify_unary_operation): When simplifying
5591 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5592 that we perform the right shift in the appropriate mode, and
5593 then extend or truncate the result to requested mode.
5595 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5597 * gengtype.c (main): Handle double_int type.
5598 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5599 * double-int.c: New file.
5600 * double-int.h: New file.
5601 * system.h: Include doubleint.h.
5602 * Makefile.in (SYSTEM_H): Include double-int.h.
5603 (double-int.o): Add.
5605 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5608 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5611 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5613 * tree-vrp.c (remove_range_assertions): Do not update statements
5616 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5618 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5620 * gcse.c (rest_of_handle_gcse): Ditto.
5621 * except.c (gate_handle_eh): Ditto.
5622 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5623 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5625 2006-03-02 Eric Christopher <echristo@apple.com>
5627 * config/i386/i386.c (machopic_output_stub): Add indirection to
5630 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5634 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5636 Sun Niagara specific optimizations.
5637 * config.gcc: Recognize niagara as target.
5638 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5639 (TARGET_CPU_niagara): Define.
5640 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5641 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5642 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5643 (ASM_CPU_SPEC): Likewise.
5644 (PROCESSOR_NIAGARA): New enum entry.
5645 (REGISTER_MOVE_COST): Handle Niagara.
5646 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5647 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5648 (sparc_override_options): Recognize "niagara", set appropriate
5649 default MASK_* values for it, and align functions to 32-bytes
5650 by default just like ULTRASPARC/ULTRASPARC3.
5651 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5652 (sparc64_initialize_trampoline): Likewise.
5653 (sparc_use_sched_lookahead): Use zero for niagara.
5654 (sparc_issue_rate): Use one for niagara.
5655 * config/sparc/niagara.md: New file.
5656 * config/sparc/sparc.md: Include it.
5657 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5658 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5659 when default cpu is niagara.
5660 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5661 (ASM_CPU_SPEC): Likewise.
5662 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5663 when default cpu is niagara.
5664 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5665 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5666 just like v9/ultrasparc/ultrasparc3.
5667 * doc/invoke.texi: Add documentation for "niagara" and improve
5668 existing documentation for ultrasparc variants.
5670 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5672 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5674 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5676 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5677 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5678 and say that only one is needed.
5679 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5680 * target.h (have_switchable_bss_sections): New hook.
5681 * explow.c (use_anchored_address): Check that the symbol is in a block.
5682 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5683 (bss_noswitch_section): New variables.
5684 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5685 (get_noswitch_section): New function.
5686 (get_block_for_section): Allow SECT to be null.
5687 (unlikely_text_section_p): Use SECTION_STYLE.
5688 (bss_initializer_p): New function.
5689 (get_variable_section): Move earlier in file. Take a new argument,
5690 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5691 Return one of the new *_sections in such cases.
5692 (get_block_for_decl): New function, extracting some logic from
5693 use_blocks_for_decl_p.
5694 (change_symbol_section): Remove in favor of...
5695 (change_symbol_block): ...this new function.
5696 (use_blocks_for_decl_p): Remove checks now performed by
5698 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5699 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5700 (emit_local, emit_bss, emit_common): ...these new functions.
5701 Return true if the alignment was honored.
5702 (emit_tls_common): New function.
5703 (asm_emit_uninitialised): Delete.
5704 (assemble_variable_noswitch): New function, split out from...
5705 (assemble_variable): ...here. Don't make decisions about common
5706 variables here. Globalize all public decls that go into non-common
5707 sections. Check whether SYMBOL_REF_BLOCK is null.
5708 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5709 (output_constant_pool): Likewise.
5710 (init_varasm_once): Initialize the new section variables.
5711 (have_global_bss_p): New function.
5712 (categorize_decl_for_section): Use bss_initializer_p.
5713 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5714 (place_block_symbol): Assert that the symbol must be in a block.
5715 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5716 (TARGET_INITIALIZER): Include it.
5717 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5718 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5719 (SECTION_MACH_DEP): Bump by two.
5720 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5721 (unnamed_section): Mention SECTION_UNNAMED in comment.
5722 (named_section): Likewise SECTION_NAMED.
5723 (noswitch_section_callback): New type.
5724 (noswitch_section): New structure.
5725 (section): Add a noswitch_section alternative.
5726 (SECTION_STYLE): New macro.
5727 (tls_comm_section, comm_section, lcomm_section): Declare.
5728 (bss_noswitch_section, have_global_bss_p): Declare.
5729 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5730 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5732 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5733 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5736 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5738 * tree-vrp.c (execute_vrp): Return value.
5739 * regrename.c (rest_of_handle_regrename): Ditto.
5740 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5741 * tree-complex.c (tree_lower_complex): Ditto.
5742 (tree_lower_complex_O0): Ditto.
5743 * tracer.c (rest_of_handle_tracer): Ditto.
5744 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5745 * postreload.c (rest_of_handle_postreload): Ditto.
5746 * tree-tailcall.c (execute_tail_recursion): Ditto.
5747 (execute_tail_calls): Ditto.
5748 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5749 * tree.h (init_function_for_compilation): Ditto.
5750 * ipa-cp.c (ipcp_driver): Ditto.
5751 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5752 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5753 * final.c (compute_alignments): Ditto.
5754 (rest_of_handle_final): Ditto.
5755 (rest_of_handle_shorten_branches): Ditto.
5756 (rest_of_clean_state): Ditto.
5757 * omp-low.c (execute_expand_omp): Ditto.
5758 (execute_lower_omp): Ditto.
5759 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5760 * ipa-reference.c (static_execute): Ditto.
5761 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5762 * reorg.c (rest_of_handle_delay_slots): Ditto.
5763 (rest_of_handle_machine_reorg): Ditto.
5764 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5765 * flow.c (recompute_reg_usage): Ditto.
5766 (rest_of_handle_remove_death_notes): Ditto.
5767 (rest_of_handle_life): Ditto.
5768 (rest_of_handle_flow2): Ditto.
5769 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5770 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5771 (do_ssa_store_ccp): Ditto.
5772 (execute_fold_all_builtins): Ditto.
5773 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5774 * modulo-sched.c (rest_of_handle_sms): Ditto.
5775 * ipa-pure-const.c (static_execute): Ditto.
5776 * cse.c (rest_of_handle_cse): Ditto.
5777 (rest_of_handle_cse2): Ditto.
5778 * web.c (rest_of_handle_web): Ditto.
5779 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5780 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5781 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5782 * tree-nrv.c (tree_nrv): Ditto.
5783 (execute_return_slot_opt): Ditto.
5784 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5785 (create_structure_vars): Ditto.
5786 * loop-init.c (rtl_loop_init): Ditto.
5787 (rtl_loop_done): Ditto.
5788 (rtl_move_loop_invariants): Ditto.
5789 (rtl_unswitch): Ditto.
5790 (rtl_unroll_and_peel_loops): Ditto.
5791 (rtl_doloop): Ditto.
5792 * gimple-low.c (lower_function_body): Ditto.
5793 (mark_used_blocks): Ditto.
5794 * tree-ssa-sink.c (execute_sink_code): Ditto.
5795 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5796 (cgraph_early_inlining): Ditto.
5797 * global.c (rest_of_handle_global_alloc): Ditto.
5798 * jump.c (cleanup_barriers): Ditto.
5799 (purge_line_number_notes): Ditto.
5800 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5801 (rest_of_handle_if_after_reload): Ditto.
5802 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5803 (tree_ssa_loop_im): Ditto.
5804 (tree_ssa_loop_unswitch): Ditto.
5805 (tree_vectorize): Ditto.
5806 (tree_linear_transform): Ditto.
5807 (tree_ssa_loop_ivcanon): Ditto.
5808 (tree_ssa_empty_loop): Ditto.
5809 (tree_ssa_loop_bounds): Ditto.
5810 (tree_complete_unroll): Ditto.
5811 (tree_ssa_loop_prefetch): Ditto.
5812 (tree_ssa_loop_ivopts): Ditto.
5813 (tree_ssa_loop_done): Ditto.
5814 * predict.c (tree_estimate_probability): Ditto.
5815 * recog.c (split_all_insns_noflow): Ditto.
5816 (rest_of_handle_peephole2): Ditto.
5817 (rest_of_handle_split_all_insns): Ditto.
5818 * tree-eh.c (lower_eh_constructs): Ditto.
5819 * regmove.c (rest_of_handle_regmove): Ditto.
5820 (rest_of_handle_stack_adjustments): Ditto.
5821 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5822 * function.c (instantiate_virtual_regs): Ditto.
5823 (init_function_for_compilation): Ditto.
5824 (rest_of_handle_check_leaf_regs): Ditto.
5825 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5826 (rest_of_handle_gcse): Ditto.
5827 * ipa-type-escape.c (type_escape_execute): Ditto.
5828 * alias.c (rest_of_handle_cfg): Ditto.
5829 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5830 * profile.c (rest_of_handle_branch_prob): Ditto.
5831 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5832 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5833 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5834 * tree-dfa.c (find_referenced_vars): Ditto.
5835 * except.c (set_nothrow_function_flags): Ditto.
5836 (convert_to_eh_region_ranges): Ditto.
5837 (rest_of_handle_eh): Ditto.
5838 * emit-rtl.c (unshare_all_rtl): Ditto.
5839 (remove_unnecessary_notes): Ditto.
5840 * except.h (set_nothrow_function_flags): Ditto.
5841 (convert_to_eh_region_ranges): Ditto.
5842 * cfgexpand.c (tree_expand_cfg): Ditto.
5843 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5844 * tree-ssa-pre.c (do_pre): Ditto.
5845 (execute_fre): Ditto.
5846 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5847 (rest_of_handle_jump2): Ditto.
5848 * tree-sra.c (tree_sra): Ditto.
5849 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5850 (execute_mudflap_function_decls): Ditto.
5851 * tree-ssa-copy.c (do_copy_prop): Ditto.
5852 (do_store_copy_prop): Ditto.
5853 * ipa-prop.h (ipcp_driver): Ditto.
5854 * cfglayout.c (insn_locators_initialize): Ditto.
5855 * tree-ssa-forwprop.c
5856 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5857 * cfglayout.h (insn_locators_initialize): Ditto.
5858 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5859 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5860 (execute_late_warn_uninitialized): Ditto.
5861 * rtl.h (cleanup_barriers): Ditto.
5862 (split_all_insns_noflow): Ditto.
5863 (purge_line_number_notes): Ditto.
5864 (unshare_all_rtl): Ditto.
5865 (remove_unnecessary_notes): Ditto.
5866 (recompute_reg_usage): Ditto.
5867 (variable_tracking_main): Ditto.
5868 * integrate.c (emit_initial_value_sets): Ditto.
5869 * integrate.h (emit_initial_value_sets): Ditto.
5870 * tree-optimize.c (execute_free_datastructures): Ditto
5871 (execute_free_cfg_annotations): Ditto.
5872 (execute_fixup_cfg): Ditto.
5873 (execute_cleanup_cfg_pre_ipa): Ditto.
5874 (execute_cleanup_cfg_post_optimizing): Ditto.
5875 (execute_init_datastructures): Ditto.
5876 * tree-object-size.c (compute_object_sizes): Ditto.
5877 * combine.c (rest_of_handle_combine): Ditto.
5878 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5879 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5880 (rest_of_handle_reorder_blocks): Ditto.
5881 (rest_of_handle_partition_blocks): Ditto.
5882 * var-tracking.c (variable_tracking_main): Ditto.
5883 * tree-profile.c (tree_profiling): Ditto.
5884 * tree-vect-generic.c (expand_vector_operations): Ditto.
5885 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5886 * sched-rgn.c (rest_of_handle_sched): Ditto.
5887 (rest_of_handle_sched2): Ditto.
5888 * basic-block.h (free_bb_insn): Ditto.
5889 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5890 * tree-cfg.c (execute_build_cfg): Ditto.
5891 (remove_useless_stmts): Ditto.
5892 (split_critical_edges): Ditto.
5893 (execute_warn_function_return): Ditto.
5894 (execute_warn_function_noreturn): Ditto.
5895 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5896 * cfgrtl.c (free_bb_for_insn): Ditto.
5897 * passes.c (execute_one_pass): Run additional
5898 todos returned by execute function.
5899 * tree-pass.h (struct tree_opt_pass): Make execute
5902 2006-03-02 Richard Guenther <rguenther@suse.de>
5904 * tree-ssa-alias.c (find_used_portions): Consider taking
5905 the address as making the variable not write-only.
5907 2006-03-02 Nick Clifton <nickc@redhat.com>
5909 * config.gcc (default_use_cxa_atexit): Extend the description of
5910 this configure variable. Set its default value to "yes" for
5911 Linux, NetBSD and ELF targets on the assumption that they will
5912 use C libraries with the __cxa_atexit function.
5914 2006-03-02 Ben Elliston <bje@au.ibm.com>
5916 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5917 parameter as unused to suppress a build warning.
5919 2006-03-02 Ben Elliston <bje@au.ibm.com>
5921 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5924 2006-03-01 Roger Sayle <roger@eyesopen.com>
5927 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5928 declared name, the weak reference name, and the typeof name.
5929 (__gthrw): Avoid expanding the declared name suffix.
5930 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5932 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5934 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5936 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5937 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5938 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5939 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5940 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5941 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5942 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5943 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5944 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5945 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5946 (DW_END_default, DW_END_big, DW_END_little): New.
5947 (DW_END_lo_user, DW_END_hi_user): Define.
5948 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5949 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5950 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5953 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5955 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5957 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5959 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5961 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5963 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5964 to 'symbol_mem_tag'.
5966 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5969 2006-03-01 Roger Sayle <roger@eyesopen.com>
5971 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5973 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5976 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5977 MACHO_DYNAMIC_NO_PIC_P.
5978 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5980 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5983 * config/darwin-protos.h (darwin_asm_output_anchor):
5985 * config/darwin-sections.def (cstring_section):
5986 Add SECTION_MERGE to the flags.
5987 (literal4_section): Likewise.
5988 (literal8_section): Likewise.
5989 (objc_selector_refs_section): Likewise.
5990 (objc_cls_refs_section): Likewise.
5991 * config/darwin.c (darwin_asm_output_anchor): New
5993 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5995 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5997 Fix PR tree-optimization/26443
5998 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5999 to todo and PROP_tmt_usage to properties_destroyed.
6000 * tree-ssa-ccp.c (pass_ccp): Ditto.
6001 (pass_store_ccp): Ditto.
6002 * tree-ssa-dom.c (pass_dominator): Ditto.
6004 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6006 * tree-ssa-operands.c: Cleanup whitespace.
6007 (get_asm_expr_operands): Move before first invocation.
6008 (get_indirect_ref_operands): Likewise.
6009 (get_tmr_operands): Likewise.
6010 (get_call_expr_operands): Likewise.
6011 (append_def): Likewise.
6012 (append_use): Likewise.
6013 (append_v_may_def): Likewise.
6014 (append_v_must_def): Likewise.
6015 (add_call_clobber_ops): Likewise.
6016 (add_call_read_ops): Likewise.
6017 (add_stmt_operand): Likewise.
6018 (add_virtual_operand): Likewise.
6019 (build_ssa_operands): Likewise.
6021 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6026 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6027 with a call expr to ...
6028 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6030 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6032 * tree-vrp.c (extract_range_from_assert): Remove special
6033 handling for types with super-types.
6035 2006-03-01 Ben Elliston <bje@au.ibm.com>
6037 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6038 and powerpc64-*-linux* configurations.
6039 * config/t-dfprules: New file.
6041 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6042 Compile dfp-bit.c from the source directory using -DWIDTH and
6043 $DFP_CFLAGS to control the compilation of that file, rather than
6044 generating width-specific versions in the build directory.
6045 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6046 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6048 2006-02-28 Zack Weinberg <zackw@panix.com>
6050 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6053 2006-02-28 Eric Christopher <echristo@apple.com>
6055 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6056 Set up IN_LIBGCC definition of TARGET_64BIT.
6057 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6059 2006-02-28 Roger Sayle <roger@eyesopen.com>
6062 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6063 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6064 cases via the construction of "expr != 0".
6066 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6068 * alias.c (alias_invariant, alias_invariant_size): Remove.
6069 (record_base_value): Remove.
6070 (memrefs_conflict_p): Don't look at alias_invariant.
6071 (end_alias_analysis): Don't free it.
6072 * alias.h (record_base_value): Remove prototype.
6074 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6075 Adam Nemet <anemet@caviumnetworks.com>
6077 * rtl.h (truncated_to_mode): Declare it.
6078 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6079 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6080 (RTL_HOOKS_INITIALIZER): Include it.
6081 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6082 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6083 reg_truncated_to_mode.
6084 * rtlanal.c (truncated_to_mode): Define it.
6085 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6087 2006-02-28 Jeff Law <law@redhat.com>
6089 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6090 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6091 the range allowed by TYPE_PRECISION.
6093 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6095 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6097 PR tree-optimization/26419
6098 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6101 2006-02-27 Zack Weinberg <zackw@panix.com>
6103 * doc/md.texi: Fix typo in previous change.
6105 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6109 2006-02-27 Zack Weinberg <zackw@panix.com>
6111 * rtl.def (define_constraint, define_register_constraint)
6112 (define_memory_constraint, define_address_constraint): New MD forms.
6113 * gensupport.c (process_rtx): Put define_constraint etc on the
6115 * genpreds.c (process_define_predicate): Adjust comment. Validate
6116 the name, and call validate_exp to validate the expression.
6117 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6118 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6119 all callers changed.
6120 (validate_exp, needs_variable, struct constraint_data)
6121 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6122 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6123 (const_dbl_constraints, constraint_max_namelen)
6124 (have_register_constraints, have_memory_constraints)
6125 (have_address_constraints, have_address_constraints)
6126 (have_extra_constraints, have_const_int_constraints)
6127 (have_const_dbl_constraints, mangle, add_constraint)
6128 (process_define_constraint, process_define_register_constraint)
6129 (write_enum_constraint_num, write_lookup_constraint)
6130 (write_insn_constraint_len, write_regclass_for_constraint)
6131 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6132 (write_insn_extra_memory_constraint)
6133 (write_insn_extra_address_constraint)
6134 (write_satisfies_constraint_fns): New.
6135 (write_tm_preds_h): If we have new-style constraint definitions,
6136 prototype the functions generated from them, and define the
6137 old constraint interface (still used by generic code) in terms of
6139 (write_insn_preds_c): If we have new-style constraint definitions,
6140 generate all relevant functions from those definitions.
6141 (main): Handle define_constraint etc.
6142 * genoutput.c (struct constraint_data, indep_constraints)
6143 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6144 (mdep_constraint_len): New data structures and functions, defined
6145 #ifdef USE_MD_CONSTRAINTS.
6146 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6147 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6148 use new logic to validate operand constraints against constraint
6150 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6152 * defaults.h: If none of the old-style constraint macros are
6153 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6154 old-style macros; and poison REG_CLASS_FROM_LETTER,
6155 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6157 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6158 * doc/md.texi: Document new constraint-definition mechanism and the
6159 C interface it provides. Remove references to old mechanism
6160 elsewhere in the document.
6161 (Machine Constraints): Use pathnames relative to gcc directory,
6162 i.e. config/ARCH/FILE. Change i386 section to refer to
6163 config/i386/predicates.md; update that section to match docstrings.
6164 * doc/tm.texi: Move all documentation of the old constraint-
6165 definition macros to their own section, clearly mark as obsolete.
6167 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6168 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6170 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6171 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6172 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6174 (splits and peepholes): Use satisfies_constraint_*.
6175 * config/i386/i386.c (memory_address_length)
6176 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6178 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6180 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6181 scalar operation to be put back into the loop.
6183 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6186 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6187 (extract_cie_info): Handle S flag in augmentation string.
6188 (execute_cfa_program): If context->signal_frame, execute also
6189 fs->pc == context->ra instructions.
6190 (uw_frame_state_for): If context->signal_frame, don't subtract one
6191 from context->ra to find FDE.
6192 (uw_update_context_1): Set context->signal_frame to
6194 (_Unwind_GetIPInfo): New function.
6195 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6196 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6198 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6199 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6200 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6201 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6202 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6203 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6204 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6205 x86_64_fallback_frame_state): Set fs->signal_frame.
6206 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6207 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6208 (frob_update_context): Likewise. Workaround missing S flag in
6209 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6210 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6211 Remove the psw_addr + 1 hack.
6213 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6215 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6216 with aggregates here.
6217 (find_func_aliases): Remove code for &<aggregate> from here.
6219 2006-02-26 Roger Sayle <roger@eyesopen.com>
6221 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6222 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6223 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6226 2006-02-26 Roger Sayle <roger@eyesopen.com>
6229 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6231 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6233 * opts.c (decode_options): Do not handle flag_strength_reduce.
6234 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6235 and OPT_fstrength_reduce.
6236 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6237 flag_prefetch_loop_arrays for being nonzero.
6238 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6240 (fprefetch-loop-arrays-rtl): Removed.
6241 (flag_prefetch_loop_arrays): Do not specify the value.
6243 * doc/passes.texi: Update documentation of loop optimizer
6245 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6246 -frerun-loop-opt): Remove.
6248 2006-02-26 Richard Guenther <rguenther@suse.de>
6250 PR tree-optimization/26421
6251 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6252 in function calls that are ADDR_EXPRs as using the whole structure.
6254 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6256 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6257 * tree-pass.h (pass_loop_optimize): Remove.
6258 * passes.c (pass_loop_optimize): Never run it.
6259 * toplev.c (backend_init): Don't call init_loop.
6260 * opts.c (flag_loop_optimize_set): Remove.
6261 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6262 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6263 the old RTL loop optimizer when profiling enabled.
6264 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6265 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6266 pre-headers for the sake of the old RTL loop optimizer.
6267 * Makefile.in: Remove all references to loop.o.
6269 * doc/invoke.texi: Remove all references to -floop-optimize
6270 and -frerun-loop-opt.
6272 2006-02-26 Zack Weinberg <zackw@panix.com>
6274 * doc/md.texi (Machine Constraints): Refer to all files with paths
6275 relative to gcc directory (i.e. config/CPU/file). Add missing
6276 @table @code ... @end table to M32C subsection.
6278 2006-02-26 Roger Sayle <roger@eyesopen.com>
6280 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6282 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6284 2006-02-26 Roger Sayle <roger@eyesopen.com>
6285 James A. Morrison <phython@gcc.gnu.org>
6288 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6289 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6290 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6291 signedness of the shift operation.
6293 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6295 PR tree-optimization/26359
6296 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6298 2006-02-25 Roger Sayle <roger@eyesopen.com>
6300 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6301 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6302 as X == 0, and some symmetry related transformations.
6303 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6305 2006-02-25 Roger Sayle <roger@eyesopen.com>
6308 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6309 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6310 symmetry related transformations. Fold (X^C1) == C2 as
6313 2006-02-25 Juergen Weigert <jw@suse.de>
6314 Richard Guenther <rguenther@suse.de>
6316 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6318 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6320 * combine.c (gen_lowpart_or_truncate): Call
6321 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6323 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6325 * doc/invoke.texi: Move -fopenmp description to "Options for
6327 Remove reference to -lgomp.
6329 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6331 * doc/install.texi: Require GNU tar version 1.14.
6333 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6335 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6336 * doc/invoke.texi (C++ Dialect Options): Document
6337 -fno-use-cxa-get-exception-ptr.
6338 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6339 * configure: Regenerate.
6340 * c.opt (fuse-cxa-get-exception-ptr): New.
6341 * c-opts.c (c_common_handle_option): Handle
6342 OPT_fuse_cxa_get_exception_ptr.
6343 * c-common.c (flag_use_cxa_atexit): Update documentation.
6344 (flag_use_cxa_get_exception_ptr): New.
6345 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6346 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6348 (C_COMMON_OVERRIDE_OPTIONS): New.
6350 2006-02-24 Roger Sayle <roger@eyesopen.com>
6353 * combine.c (try_combine): Explicitly check whether GET_CODE is
6354 a SET or a CLOBBER, instead on checking that it isn't a USE.
6356 2006-02-24 Roger Sayle <roger@eyesopen.com>
6358 * fold-const.c (fold_comparison): New subroutine of fold_binary
6359 containing transformations common to both the equality and
6360 ordering relational operators, factored out of fold_binary.
6361 (fold_binary): Separate out the equality operators (EQ_EXPR
6362 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6363 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6364 transformations common to both.
6365 (fold_div_compare): Fix latent bugs in the previously unreachable
6366 LT_EXPR and GE_EXPR cases.
6368 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6370 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6371 decl libname for clog to __clog on AIX.
6373 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6375 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6378 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6379 output traceback table for thunks. Localise rs6000_stack_info call.
6381 2006-02-23 Roger Sayle <roger@eyesopen.com>
6382 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6384 * gthr-posix.h (__gthrw): Fix typo in comment.
6386 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6388 * doc/cpp.texi (Character sets): Document that we do support
6389 input files to be in any character set.
6391 2006-02-23 Jeff Law <law@redhat.com>
6393 * tree.h (PHI_ARG_NONZERO): Remove.
6394 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6395 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6396 node to the new node.
6398 PR tree-optimization/26425
6399 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6400 min/max, then assume its varying.
6402 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6404 PR rtl-optimization/26316
6405 * rtlanal.c (enum may_trap_p_flags): New.
6406 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6407 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6408 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6409 (may_trap_after_code_motion_p): New function.
6410 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6411 (find_invariant_insn): Use may_trap_after_code_motion_p.
6412 * rtl.h (may_trap_after_code_motion_p): Declare.
6414 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6416 * emit-rtl.c (immed_double_const): Cleanup.
6418 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6420 Fix PR tree-optimization/26376
6421 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6424 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6427 * gimplify.c (omp_add_variable): Guard variable size decl test with
6428 DECL_SIZE (decl) check.
6430 2006-02-23 Richard Guenther <rguenther@suse.de>
6433 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6434 like aggregate types.
6436 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6438 * configure.ac: Add --with{,out}-long-double-128 configure option.
6439 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6440 * configure: Rebuilt.
6441 * config.in: Rebuilt.
6442 * doc/install.texi (Options specification): Document
6443 --with-long-double-128.
6445 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6446 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6447 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6448 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6450 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6452 * config/s390/s390.c (override_options): Handle
6453 TARGET_DEFAULT_LONG_DOUBLE_128.
6455 * config/alpha/alpha.c (override_options): Handle
6456 TARGET_DEFAULT_LONG_DOUBLE_128.
6458 * config/sparc/sparc.c (sparc_override_options): Handle
6459 TARGET_DEFAULT_LONG_DOUBLE_128.
6461 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6463 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6464 (real-install-headers-tar, real-install-headers-cpio)
6465 (real-install-headers-cp): New targets.
6467 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6469 * tree.h (variable_section): Delete.
6470 * varasm.c (variable_section): Delete.
6472 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6474 * install.texi: Add notes on install.texi2html.
6475 (Building in parallel): Do not use footnotes.
6477 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6480 * doc/install.texi (Configuration): Document --disable-libgomp.
6482 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6484 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6486 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6488 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6489 (vec_extractv2df_0_sse): New.
6491 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6493 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6494 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6495 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6496 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6497 to the result of the expression.
6498 (def_cfa_1): Adjust.
6499 (frame_pointer_cfa_offset): Rename to...
6500 (frame_pointer_fb_offset): ... this. Adjust all uses.
6501 (convert_cfa_to_loc_list): Rename to...
6502 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6503 Pass it on to build_cfa_loc.
6504 (compute_frame_pointer_to_cfa_displacement): Rename to...
6505 (compute_frame_pointer_to_fb_displacement): ... this. New
6506 offset parameter. Use it in computation.
6507 (gen_subprogram_die): Compute cfa_fb_offset with the new
6508 macro, and use it to compute the fb loc list and the
6511 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6513 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6514 replaced with register_operand.
6515 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6516 non-DREG is expensive.
6517 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6518 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6521 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6523 * doc/install.texi2html: Use set -e.
6525 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6527 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6528 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6529 * doc/invoke.texi (-fshared-data): Delete.
6530 * common.opt (fshared-data): Delete.
6531 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6532 (assemble_static_space): Remove #if 0 code.
6533 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6534 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6535 * config/cris/cris.h: Remove FIXME.
6537 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6539 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6542 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6545 * combine.c (simplify_shift_const_1): Disable nested shifts
6546 optimization for vector shifts.
6548 2006-02-20 Roger Sayle <roger@eyesopen.com>
6550 PR tree-optimization/26361
6551 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6552 of unsigned integer types.
6554 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6556 * tree-chrec.c (eq_evolutions_p): New.
6557 * tree-chrec.h (eq_evolutions_p): Declared.
6558 * tree-data-ref.c: Fix formatting.
6559 (datadep_stats, dependence_stats): New.
6561 (print_direction_vector): New.
6562 (dump_data_dependence_relation): Use print_direction_vector.
6563 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6564 (compute_subscript_distance): Static.
6565 (initialize_data_dependence_relation): Static. Get the number
6566 of loops surrounding the references from the callers, and initialize
6567 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6568 base_object_differ_p analyzers.
6569 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6570 compute_overlap_steps_for_affine_1_2,
6571 analyze_subscript_affine_affine): Count the classified dependences.
6572 Print a message when a test failed.
6573 (can_use_analyze_subscript_affine_affine): New.
6574 (analyze_siv_subscript): Compute the data dependences on symbolic
6575 scevs that verify can_use_analyze_subscript_affine_affine.
6576 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6577 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6578 Handle symbolic scevs.
6579 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6581 (subscript_dependence_tester): Moved...
6582 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6583 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6584 DDR_SIZE_VECT instead of getting it in parameter.
6585 (subscript_dependence_tester): ... here. Take as a parameter
6586 loop_nest_depth. Call build_classic_dist_vector and
6587 build_classic_dir_vector.
6588 (compute_affine_dependence): Update subscript_dependence_tester
6589 parameters. Update datadep_stats counters. Call
6590 compute_subscript_distance.
6591 (compute_self_dependence): Save the dist and dir vectors. Call
6592 compute_subscript_distance.
6593 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6594 (compute_all_dependences): Reorder parameters as they were before
6595 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6596 compute_subscript_distance. Update the use of
6597 compute_affine_dependence and initialize_data_dependence_relation.
6598 (find_data_references_in_loop): Handle COMPONENT_REF.
6599 (compute_data_dependences_for_loop): Initialize dependence_stats.
6600 Don't call build_classic_dist_vector and build_classic_dir_vector.
6601 Update the parameters of initialize_data_dependence_relation and
6602 compute_all_dependences. Print the statistics from datadep_stats.
6603 (analyze_all_data_dependences): Static. Not used until the pass for
6604 checking the data dependences is contributed.
6605 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6606 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6607 (initialize_data_dependence_relation, compute_affine_dependence,
6608 analyze_all_data_dependences, compute_subscript_distance): Removed.
6609 (print_direction_vector): New.
6610 * lambda.h (gcd): ... here.
6611 (lambda_vector_gcd): Moved here from gcd_vector.
6612 * lambda-code.c (gcd, gcd_vector): Removed.
6613 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6614 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6616 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6618 * ipa-type-escape.c: Tidy some comments and white space.
6619 * tree-ssa-operands.c: Likewise.
6621 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6624 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6625 (dump_decl_name): Do not walk the decl tree chains.
6626 * tree-pass.h (TDF_CHAIN): Remove.
6628 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6630 * Makefile.in (C): Remove
6632 (.PHONY): Remove C and PROTO
6634 2006-02-20 Roger Sayle <roger@eyesopen.com>
6637 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6638 deprecated CHAR_TYPE tree code.
6640 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6642 * configure.ac (target_list): Add install-info, dvi, html.
6643 * configure: Regenerate.
6645 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6646 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6647 treelang/Make-lang.in: Do not use double-colon rules.
6649 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6651 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6652 (TMT_USED_ALONE): New macro.
6653 * tree-pass.h (PROP_tmt_usage): New property.
6654 (TODO_update_tmt_usage): New todo.
6655 * tree-ssa-alias.c (updating_used_alone): New variable.
6656 (recalculate_used_alone): New function.
6657 (compute_may_aliases): Set updating_used_alone, call
6658 recalculate_used_alone.
6659 * tree-sra.c (pass_sra): Note that this pass destroys
6660 PROP_tmt_usage, and add TODO_update_tmt_usage.
6661 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6662 * tree-flow.h (updating_used_alone): Prototype.
6663 (recalculate_used_alone): Ditto.
6664 * passes.c (execute_todo): Add code to set updating_used_alone,
6665 and call recalculate.
6666 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6667 for clobber if used alone, and add assert to verify used_alone
6670 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6672 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6673 for non tls symbols added.
6674 (legitimize_address): Do nothing for PLUS expressions if one of the
6675 addends is a tls symbol reference.
6677 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6681 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6683 * Makefile.in (BOOTSTRAPPING): New.
6684 (quickstrap): New definition if BOOTSTRAPPING=yes.
6686 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6687 * configure.ac: Substitute all_selected_languages with the languages
6688 that were configured. For all the other variables except
6689 lang_specs_files, include all the languages in the tree.
6690 * configure: Regenerate.
6692 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6693 if there is one. Run the commands to run fixincludes in the same
6696 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6697 * doc/install.texi: Document exact conventions for searching target tools.
6698 Document --with-build-time-tools. Document toplevel bootstrap. Document
6699 something more about building an Ada cross-compiler. Don't list GNU Make
6700 requirements which affect all platforms.
6702 2006-02-19 Roger Sayle <roger@eyesopen.com>
6705 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6706 only equivalent if the have both the same mode and precision.
6708 2006-02-20 Ben Elliston <bje@au.ibm.com>
6710 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6712 2006-02-19 Roger Sayle <roger@eyesopen.com>
6713 Steven Bosscher <stevenb.gcc@gmail.com>
6715 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6716 constant pool references to identify stack mode constants.
6717 * rtlanal.c (constant_pool_constant_p): New predicate to check
6718 whether operand is a floating point constant in the pool.
6719 * rtl.h (constant_pool_constant_p): Prototype here.
6720 * loop.c (scan_loop): Avoid hoisting constants from the constant
6721 pool on STACK_REGS targets.
6722 (load_mems): Likewise.
6723 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6724 loads into x87 registers expensive in terms of register pressure.
6726 2006-02-19 Roger Sayle <roger@eyesopen.com>
6728 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6729 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6731 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6733 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6734 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6736 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6738 * doc/invoke.texi: Document -fipa-pta.
6739 * common.opt: Add ipa-pta option.
6740 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6741 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6742 (do_ds_constraint): Ditto.
6743 (get_constraint_for): Only add to referenced_vars if
6744 referenced_vars exists.
6745 (insert_into_field_list): Rewrite to do this unsorted.
6746 (insert_into_field_list_sorted): Rename old insert_into_field_list
6748 (create_function_info_for): Use insert_into_field_list_sorted.
6749 (create_variable_info_for): Rewrite so it uses unsorted version,
6750 since the field list is sorted.
6751 (intra_create_variable_infos): Only add to referenced_vars if
6752 referenced_vars exists.
6753 (ipa_pta_execute): Init heapvars, and delete when done.
6754 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6756 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6758 * doc/install.texi: Add missing `@samp'.
6760 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6762 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6765 2006-02-18 Mark Wielaard <mark@klomp.org>
6767 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6768 who added new 4.1 features, bug fixes and integration support.
6770 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6773 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6776 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6778 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6779 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6780 (copy_insn_1): Likewise. Don't copy each field individually.
6782 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6784 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6785 * rtl.c (rtx_size): Rename variable to...
6786 (rtx_code_size): ...this.
6787 (rtx_size): New function.
6788 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6789 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6791 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6792 * rtl.h (rtx_code_size): New variable.
6793 (rtx_size): Change from a variable to a function.
6794 (RTX_SIZE): Rename to...
6795 (RTX_CODE_SIZE): ...this.
6798 PR tree-optimization/17106
6799 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6800 (Anchored Addresses): New section.
6801 * doc/invoke.texi (-fsection-anchors): Document.
6802 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6803 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6804 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6805 * hooks.c (hook_bool_mode_rtx_false): New function.
6806 * hooks.h (hook_bool_mode_rtx_false): Declare.
6807 * gengtype.c (create_optional_field): New function.
6808 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6809 SYMBOL_REF_IN_BLOCK_P is true.
6810 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6811 (min_anchor_offset, max_anchor_offset): Likewise.
6812 (use_anchors_for_symbol_p): New hook.
6813 * toplev.c (compile_file): Call output_object_blocks.
6814 (target_supports_section_anchors_p): New function.
6815 (process_options): Check that -fsection-anchors is only used on
6816 targets that support it and when -funit-at-a-time is in effect.
6817 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6818 if the decl doesn't have one.
6819 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6820 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6821 of force_const_mem through use_anchored_address.
6822 (expand_expr_constant): New function.
6823 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6824 calling expand_expr for INDIRECT_REF.
6825 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6826 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6827 * expr.h (use_anchored_address): Declare.
6828 * loop-unroll.c: Don't declare rtx vectors here.
6829 * explow.c: Include output.h.
6830 (validize_mem): Call use_anchored_address.
6831 (use_anchored_address): New function.
6832 * common.opt (-fsection-anchors): New switch.
6833 * varasm.c (object_block_htab, anchor_labelno): New variables.
6834 (hash_section, object_block_entry_eq, object_block_entry_hash)
6835 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6836 (use_blocks_for_decl_p, change_symbol_section): New functions.
6837 (get_variable_section): New function, split out from assemble_variable.
6838 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6839 use_blocks_for_decl_p say so. Use change_symbol_section if the
6840 symbol has already been created.
6841 (assemble_variable_contents): New function, split out from...
6842 (assemble_variable): ...here. Don't output any code for
6843 block symbols; just pass them to place_block_symbol.
6844 Use get_variable_section and assemble_variable_contents.
6845 (get_constant_alignment, get_constant_section, get_constant_size): New
6846 functions, split from output_constant_def_contents.
6847 (build_constant_desc): Create a block symbol if use_object_blocks_p
6848 says so. Or into SYMBOL_REF_FLAGS.
6849 (assemble_constant_contents): New function, split from...
6850 (output_constant_def_contents): ...here. Don't output any code
6851 for block symbols; just pass them to place_section_symbol.
6852 Use get_constant_section and get_constant_alignment.
6853 (force_const_mem): Create a block symbol if use_object_blocks_p and
6854 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6855 (output_constant_pool_1): Add an explicit alignment argument.
6856 Don't switch sections here.
6857 (output_constant_pool): Adjust call to output_constant_pool_1.
6858 Switch sections here instead. Don't output anything for block symbols;
6859 just pass them to place_block_symbol.
6860 (init_varasm_once): Initialize object_block_htab.
6861 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6862 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6863 (place_block_symbol, get_section_anchor, output_object_block)
6864 (output_object_block_htab, output_object_blocks): New functions.
6865 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6866 (TARGET_ASM_OUT): Include it.
6867 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6868 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6869 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6870 (TARGET_INITIALIZER): Include them.
6871 * rtl.c (rtl_check_failed_block_symbol): New function.
6872 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6873 (block_symbol, object_block): New structures.
6874 (rtx_def): Add a block_symbol field to the union.
6875 (BLOCK_SYMBOL_CHECK): New macro.
6876 (rtl_check_failed_block_symbol): Declare.
6877 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6878 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6879 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6880 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6881 * output.h (output_section_symbols): Declare.
6882 (object_block): Name structure.
6883 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6884 (default_use_anchors_for_symbol_p): Declare.
6885 * Makefile.in (RTL_BASE_H): Add vec.h.
6886 (explow.o): Depend on output.h.
6887 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6888 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6889 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6890 (rs6000_use_blocks_for_constant_p): New function.
6892 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6894 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6896 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6899 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6902 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6904 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6908 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6911 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6912 instead of DECL_REGISTER.
6914 2006-02-18 Olivier Hainque <hainque@adacore.com>
6917 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6919 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6922 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6923 * opth-gen.awk: Handle Var and InverseMask together.
6924 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6925 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6926 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6927 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6929 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6930 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6931 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6932 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6933 LINUX_DYNAMIC_LINKER): Define.
6934 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6935 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6937 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6938 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6939 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6940 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6941 (TARGET_C99_FUNCTIONS): Don't define.
6942 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6943 GLIBC_DYNAMIC_LINKER.
6944 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6945 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6946 GLIBC_DYNAMIC_LINKER64): Define.
6947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6948 LINUX_DYNAMIC_LINKER64.
6949 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6950 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6951 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6952 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6953 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6955 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6956 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6957 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6959 and LINUX_DYNAMIC_LINKER32.
6960 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6962 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6963 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6964 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6966 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6967 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6968 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6969 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6970 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6971 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6972 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6973 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6974 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6975 LINUX_DYNAMIC_LINKER): Define.
6976 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6977 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6978 GLIBC_DYNAMIC_LINKER64): Define.
6979 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6980 LINUX_DYNAMIC_LINKER64.
6981 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6982 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6983 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6984 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6985 LINUX_DYNAMIC_LINKER): Define.
6986 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6987 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6988 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6989 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6990 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6991 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6992 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6993 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6994 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6995 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6996 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6997 * doc/invoke.texi (-muclibc): Remove caveat about supported
7000 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7002 * doc/cpp.texi (__TIMESTAMP__): Document.
7004 2006-02-17 Roger Sayle <roger@eyesopen.com>
7007 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7008 C is one less than the width of X (and related transformations).
7009 * simplify-rtx.c (simplify_unary_operation_1): Transform
7010 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7011 depending on STORE_FLAG_VALUE, were C is one less then the
7014 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7016 Fix PR tree-optimization/26341
7017 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7018 about NAME_MEMORY_TAG's.
7020 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7023 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7024 with hardware float support, and software float support. Add fcpy
7025 alternative to hardware patterns. Add alternatives to copy between
7026 general and floating-point registers to the 32-bit pattern.
7027 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7028 secondary reload to load a QI or HI mode constant into a floating
7030 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7031 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7033 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7036 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7038 (load_macho_picbase_di): Likewise.
7040 2006-02-16 Jeff Law <law@redhat.com>
7042 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7043 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7044 (ssa_name_nonzero_p): Likewise.
7045 (get_value_range): Return NULL if VRP is not running.
7046 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7047 VRP routines do not discover a range.
7048 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7049 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7050 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7051 (tree_expr_nonnegative_p): Similarly.
7052 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7053 (restore_nonzero_vars_to_original_value): Remove.
7054 (unsafe_associative_fp_binop): Remove.
7055 (tree_ssa_dominator_optimize): Remove initialization and
7056 finalization of nonzero_vars and nonzero_vars_stack.
7057 (dom_opt_initialize_block): No longer push marker on
7059 (dom_opt_finalize_block): No longer call
7060 restore_nonzero_vars_to_original_value.
7061 (record_equivalences_from_phis): No longer look for
7062 nonzero PHI arguments.
7063 (cprop_into_successor_phis): No longer propagate nonzero
7064 property into PHI arguments. Lose unused argument. Caller
7066 (record_equivalences_from_stmt): No longer record nonzero
7067 values for SSA_NAMEs.
7068 (lookup_avail_expr): No longer use nonzero_vars.
7070 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7071 for sizetype when sizetype is unsigned.
7073 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7075 PR rtl-optimization/25603
7076 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7077 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7078 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7079 with new meaning of SETS.
7081 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7086 * config/linux.opt: New file.
7087 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7088 LINUX_DYNAMIC_LINKER): Define.
7089 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7090 * config.gcc (*-*-linux*): Define extra_options.
7091 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7092 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7093 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7094 GLIBC_DYNAMIC_LINKER.
7095 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7096 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7097 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7099 * doc/invoke.texi (GNU/Linux Options): New section.
7101 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7103 * config/sparc/sparc.md (setjmp): Rewrite.
7104 (setjmp_32): Delete.
7105 (setjmp_64): Likewise.
7107 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7109 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7112 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7114 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7117 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7119 PR rtl-optimization/26296
7120 * Makefile.in (loop-invariant.c): Add except.h dependency.
7121 * loop-invariant.c: Include except.h.
7122 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7124 2005-02-16 Paul Brook <paul@codesourcery.com>
7126 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7129 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7131 PR rtl-optimization/25636
7132 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7133 when deciding whether an insn is an initializing insn.
7135 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7137 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7138 (tree_code_size): Ditto.
7139 * tree.h (struct tree_memory_tag): Remove parent_var.
7140 (struct tree_struct_field_tag): New.
7143 (union tree_node): Add sft member.
7144 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7146 (create_sft): Add size and offset argument, set SFT_OFFSET and
7148 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7149 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7150 * tree-flow-inline.h (get_subvar_at): Update for
7151 SFT_OFFSET/SFT_SIZE.
7152 (var_can_have_subvars): Ditto.
7153 (overlap_subvar): Ditto.
7154 * print-tree.c (print_node): Print out interesting things for
7156 * tree-flow.h (struct subvar): Remove offset and size members.
7157 * tree-ssa-operands.c (get_expr_operands): Update for
7158 get_indirect_ref_operands changes.
7159 (get_indirect_ref_operands): Call add_virtual_operand instead of
7160 add_stmt_operand. Only recurse on base var if requested.
7161 (access_can_touch_variable): New function.
7162 (add_stmt_operand): Split virtual operand handling into ...
7163 (add_virtual_operand): Here. Add offset, size, and for_clobber
7164 arguments. Prune alias sets.
7165 (add_call_clobber_ops): Call add_virtual_operand.
7167 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7170 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7172 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7173 than TREE_CODE as index into omp_clause_num_ops array.
7175 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7177 PR rtl-optimization/26184
7178 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7180 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7181 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7182 must_precede, must_follow and tobe_scheduled.
7185 * opts.c (common_handle_option): Free new_option pointer.
7186 * df-core.c (df_analyze): Free postorder pointer.
7188 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7190 * Makefile.in: Fix the examples about the use of stamps
7192 2006-02-15 Michael Matz <matz@suse.de>
7196 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7197 influenced by maximum_field_alignment or DECL_PACKED.
7198 (update_alignment_for_field): Ditto.
7199 (place_field): Ditto.
7200 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7203 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7205 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7206 (debug_flow_info): Pass it.
7207 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7208 * bb-reorder.c (reorder_basic_blocks): Likewise.
7209 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7210 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7211 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7212 * gcse.c (gcse_main, bypass_jumps): Likewise.
7213 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7214 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7215 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7216 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7217 * rtl.h (dump_flow_info): Adjust prototype.
7218 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7219 * var-tracking.c (variable_tracking_main): Likewise.
7220 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7221 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7224 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7226 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7229 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7231 PR tree-optimization/26209
7232 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7233 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7235 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7237 2006-02-14 Roger Sayle <roger@eyesopen.com>
7240 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7241 (X,Y) and the corresponding symmetry related transformations.
7242 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7243 (X,Y) and its symmetry related transformations.
7245 2006-02-14 Roger Sayle <roger@eyesopen.com>
7247 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7250 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7252 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7254 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7257 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7258 support COMDAT group.
7259 * configure: Regenerate.
7261 2006-02-14 Roger Sayle <roger@eyesopen.com>
7266 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7268 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7270 Fix PR tree-optimization/26260
7272 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7274 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7275 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7276 * tree-ssa-structalias.c (create_variable_info_for): Use
7277 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7279 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7281 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7283 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7284 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7285 of the ending condition.
7286 * tree-ssa-loop-manip.c: Include params.h.
7287 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7288 tree_unroll_loop): New functions.
7289 * tree-pass.h (pass_loop_prefetch): Declare.
7290 * loop.c (rest_of_handle_loop_optimize): Test for
7291 -fprefetch-loop-arrays-rtl.
7292 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7293 * timevar.def (TV_TREE_PREFETCH): New timevar.
7294 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7295 pass_loop_prefetch): New.
7296 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7297 (cleanup_tree_cfg_loop): Call scev_reset.
7298 * common.opt (fprefetch-loop-arrays-rtl): Add.
7299 * tree-ssa-loop-prefetch.c: New file.
7300 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7301 (new_temp_expr_table): Initialize expr_vars.
7302 (free_temp_expr_table): Cleanup expr_vars.
7303 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7304 expressions from being merged into one.
7305 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7306 (struct tree_niter_desc): Add control, bound and cmp fields.
7307 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7309 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7310 (tree-cfgcleanup.o): Add SCEV_H dependency.
7311 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7312 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7314 2006-02-14 Richard Guenther <rguenther@suse.de>
7316 PR tree-optimization/26258
7317 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7318 in PHI argument processing.
7320 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7322 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7323 new expression in the requested machine mode.
7325 2006-02-13 Roger Sayle <roger@eyesopen.com>
7327 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7328 directly, instead let do_compare_rtx_and_jump handle this for us.
7329 * expr.c (expand_expr_real_1): Likewise.
7330 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7331 before do_jump_by_parts_greater.
7332 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7333 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7335 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7337 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7339 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7341 PR rtl-optimization/26235
7342 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7343 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7346 2006-02-13 Jeff Law <law@redhat.com>
7348 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7351 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7354 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7355 twice if decl is a builtin. When trying again, call get_callee_fndecl
7356 first to verify it is still a builtin.
7358 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7360 * dwarf2out.c (base_type_die): Don't add AT_name here.
7361 (subrange_type_die): Don't add AT_name here.
7362 (modified_type_die): Rearrange code flow. Do add AT_name here.
7364 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7366 PR rtl-optimization/26247
7367 PR rtl-optimization/26248
7368 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7370 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7372 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7373 * config/fixtfdi.c: Likewise.
7374 * config/fixunstfdi.c: Likewise.
7375 * config/floatditf.c: Likewise.
7377 2006-02-13 Roger Sayle <roger@eyesopen.com>
7380 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7381 into (X,C2) if C1 is a subset of the bits of C2. Transform
7382 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7384 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7386 2006-02-13 Josh Conner <jconner@apple.com>
7389 * varasm.c (function_section): Check for section name before
7390 calling select_section on targets that define
7391 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7392 unlikely_text_section instead of hot_function_section if
7393 first_function_block_is_cold.
7395 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7398 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7400 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7402 PR rtl-optimization/26222
7403 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7404 after tree->rtl expansion.
7405 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7406 before passing it to emit_move_insn.
7408 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7410 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7412 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7413 Clarify documentation.
7414 * c-common.h (warn_write_strings): Remove.
7415 * c-common.c (warn_write_strings): Likewise.
7416 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7419 2006-02-12 Roger Sayle <roger@eyesopen.com>
7422 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7423 (do_jump_parts_zero_rtx): New function renamed from
7424 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7425 (do_jump_parts_equality_rtx): New function split out from
7426 do_jump_parts_equality. Old implementation renamed as above.
7427 Call do_jump_parts_zero_rtx if either operand is zero.
7428 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7429 do all of the heavy lifting.
7430 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7431 calling either do_jump_by_parts_greater_rtx or
7432 do_jump_by_parts_equality_rtx.
7433 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7434 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7435 moved to do_compare_rtx_and_jump, call it directly.
7436 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7437 mode argument. Call do_compare_rtx_and_jump.
7438 (emit_case_nodes): Update calls to do_jump_if_equal.
7440 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7442 PR rtl-optimization/26225
7443 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7445 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7447 PR rtl-optimization/26232
7448 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7450 2006-02-11 Jason Merrill <jason@redhat.com>
7453 * tree-inline.c (declare_return_variable): Just don't use the
7454 modify target if it's a gimple complex reg and the return slot
7457 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7459 * doc/contrib.texi: Update my entry.
7461 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7463 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7465 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7467 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7470 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7472 * doc/invoke.texi (-floop-optimize2): Removed.
7473 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7474 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7475 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7476 * common.opt (floop-optimize2): Removed.
7477 (fmove-loop-invariants): Enabled by default.
7479 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7481 * tree-if-conv.c (combine_blocks): Free the result of
7482 get_loop_exit_edges.
7484 2006-02-10 Jeff Law <law@redhat.com>
7486 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7488 PR tree-optimization/26213
7489 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7490 loop trying to follow SSA_NAME_VALUE chains.
7492 2006-02-10 Richard Guenther <rguenther@suse.de>
7494 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7495 deal with structures that end in implicitly variable sized arrays.
7497 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7499 PR rtl-optimization/24762
7500 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7503 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7505 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7506 (struct ivopts_data): Add regs_used field.
7507 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7508 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7509 instead of loop_data->regs_used;
7510 (free_loop_data): Do not free aux fields for loops.
7511 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7512 and tree_ssa_iv_optimize_finalize.
7514 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7516 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7518 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7521 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7522 computing the effective result type.
7524 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7527 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7528 (tree_overlaps_hard_reg_set): Declare.
7529 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7530 type and signature to match function type expected by walk_tree.
7531 (tree_overlaps_hard_reg_set): New function.
7532 (decl_conflicts_with_clobbers_p): Rename to:
7533 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7534 Use tree_overlaps_hard_reg_set. Changed caller.
7535 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7536 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7537 * cris.c (cris_md_asm_clobbers): Likewise.
7539 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7541 * reload1.c (emit_input_reload_insns): Delete code that tries to
7542 inherit using find_equiv_reg.
7544 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7546 * c-common.h (flag_const_strings): Don't declare.
7547 * c-common.c (flag_const_strings): Remove.
7548 * c.opt (fconst_strings): Remove.
7549 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7550 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7551 (c_common_init_options): Don't set flag_const_strings.
7552 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7554 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7556 * arm.md (tlobits_cbranch): New pattern.
7557 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7558 testing a single bit.
7560 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7563 * tree-ssa-pre.c (create_component_ref_by_pieces):
7564 Handle RETURN_DECL like VAR_DECL.
7566 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7569 * fold-const.c (fold_indirect_ref_1): Fold
7570 "*(foo *)&complexfoo" to "__real__ complexfoo"
7571 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7573 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7575 * tree-flow-inline.h (var_can_have_subvars):
7576 Volatile variables should not have subvariables.
7578 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7581 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7582 multiplying unsigned values.
7585 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7587 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7589 2006-02-08 Jason Merrill <jason@redhat.com>
7592 * tree.def: Elaborate on difference from MODIFY_EXPR.
7593 * doc/c-tree.texi (INIT_EXPR): Likewise.
7594 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7595 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7596 (gimplify_target_expr): Likewise.
7597 (gimplify_cond_expr): Remove target handling.
7598 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7599 (gimplify_expr): Clobber it here.
7600 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7601 Do return slot optimization if we have an INIT_EXPR.
7604 * tree-inline.c (declare_return_variable): Also clear
7605 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7608 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7611 * gimplify.c (gimplify_one_sizepos): Fix typo.
7613 2006-02-08 Jeff Law <law@redhat.com>
7615 PR tree-optimization/21417
7616 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7617 across a backedge if the control statement at the end of the
7618 block is data dependent on other statements in the same block.
7619 (record_temporary_equivalences_from_stmts): Remove over-conservative
7620 test for threading across backedges.
7622 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7623 control statement, handle all three special cases in the same
7624 manner as they all have the same desired solution. No longer
7625 special case edge flag updating when the post dominator is
7628 2006-02-08 Roger Sayle <roger@eyesopen.com>
7630 * tree.def (CHAR_TYPE): Remove.
7631 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7632 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7633 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7634 (gen_string_type_die): Delete unreachable function.
7636 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7637 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7638 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7639 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7640 * builtins.c (type_to_class): Likewise.
7641 * fold-const.c (fold_convert, build_range_check,
7642 merge_ranges): Likewise.
7643 * expr.c (count_type_elements): Likewise.
7644 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7645 * stor-layout.c (layout_type): Likewise.
7646 * ipa-type-escape.c (type_to_consider): Likewise.
7647 * gimplify.c (omp_firstprivatize_type_sizes,
7648 gimplify_type_sizes): Likewise.
7649 * explow.c (promote_mode): Likewise.
7650 * tree-sra.c (is_sra_scalar_type): Likewise.
7651 * varasm.c (output_constant): Likewise.
7652 * tree-inline.c (remap_type_1): Likewise.
7653 * convert.c (convert_to_pointer, convert_to_real,
7654 convert_to_integer, convert_to_complex): Likewise.
7656 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7658 * df-scan.c (df_def_record_1): A set destination may
7659 be a parallel regardless of mode.
7661 2006-02-08 Roger Sayle <roger@eyesopen.com>
7664 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7665 * config/mips/_tilib.c: Remove.
7666 * config/fixtfdi.c: New libgcc source file.
7667 * config/fixunstfdi.c: New source file.
7668 * config/floatditf.c: New source file.
7669 * config/floatunditf.c: New souce file.
7670 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7671 files above instead of config/mips/_tilib.c.
7672 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7674 2006-02-08 Jeff Law <law@redhat.com>
7676 PR tree-optimization/26169
7677 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7680 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7682 * df.h (DF_REG_SIZE): Return the length of the initialized
7685 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7687 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7688 __muldf3): Return a correctly signed zero.
7690 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7692 * passes.c (register_one_dump_file): Accept the current properties
7693 instead of pass number. Adjust call to dump_register. Remove
7695 (register_dump_files): Now a wrapper around...
7696 (register_dump_files_1): ... this one. Do not modify the pass
7698 (next_pass_1): Cosmetic fix.
7699 (execute_todo): Keep second parameter only. Use curr_properties
7700 instead of fetching it from the pass structure. Check and set
7702 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7703 instead of fetching it from the pass structure. Fix calls to
7704 execute_todo. Update curr_properties and initialize .vcg RTL dump
7705 after running the pass. Reset last_verified.
7706 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7708 (FIRST_AUTO_NUMBERED_DUMP): New.
7709 (dump_register): Remove "num" parameter, assign it within the
7711 (get_dump_file_name): Modify template for dumps.
7712 * tree-dump.h (dump_register): Adjust prototype.
7713 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7714 (PROP_trees): Add PROP_gimple_lomp.
7715 (TODO_set_props): New.
7716 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7717 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7718 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7720 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7722 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7723 (sparc64-*-linux*): Likewise.
7724 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7725 * config/sparc/t-linux: New file.
7726 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7727 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7728 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7729 -m32 -mlong-double-128.
7731 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7732 * config/alpha/t-linux: New file.
7733 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7735 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7736 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7737 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7738 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7739 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7740 (CPP_ARCH32_SPEC): Remove.
7742 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7744 PR tree-optimization/26145
7745 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7748 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7751 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7752 >= 240000 when generating code for SOM runtime.
7753 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7754 to $$dyncall when generating code for SOM runtime..
7756 2006-02-07 Dirk Mueller <dmueller@suse.com>
7759 * doc/invoke.texi (-Wsequence-point): Update documentation
7760 that -Wsequence-point is implemented for C++ as well.
7762 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7764 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7765 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7766 (LIB_SPEC): Likewise.
7767 * doc/invoke.texi (SPARC options): Document -pthread.
7769 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7771 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7774 2006-02-07 Roger Sayle <roger@eyesopen.com>
7776 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7777 Correct comment describing BOOLEAN_TYPE.
7779 2006-02-07 Dirk Mueller <dmueller@suse.com>
7781 * c.opt: C++ frontend supports -Wdiv-by-zero.
7782 * c-opts.c (c_common_handle_option): Remove dead case.
7784 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7786 * configure.ac (TLS assembler check): Do not enable TLS by
7787 default on SPARC/Solaris before version 10.
7788 * configure: Regenerate.
7790 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7792 * doc/invoke.texi (xl-compat): Document conversion and support
7795 2006-02-07 Jeff Law <law@redhat.com>
7797 * tree-vrp.c (find_conditional_asserts): Update comments.
7798 (simplify_stmt_for_jump_threading): New.
7799 (identify_jump_threads, finalize_jump_threads): New.
7800 (vrp_finalize): Call identify_jump_threads.
7801 (execute_vrp): Call finalize_jump_threads.
7802 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7803 (vrp_element, vrp_data, vrp_element_p): Remove.
7804 (vrp_hash_elt, vrp_variables_stack): Remove.
7805 (vrp_hash, vrp_eq, record_range): Remove.
7806 (simplify_cond_and_lookup_avail_expr): Remove.
7807 (extract_range_from_cond): Remove.
7808 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7809 (simplify_stmt_for_jump_threading): New.
7810 (dom_thread_across_edge): New wrapper.
7811 (tree_ssa_dominator_optimize): No longer initialize or
7812 finalize any of the VRP datastructures. Remove iteration
7813 step and simplify as a result of removal of iteration step.
7814 (pass_dominator): Perform a cfg cleanup after DOM.
7815 (dom_opt_finalize_block): Use the new common routines
7816 for threading jumps. Simplify stack management slightly.
7817 No longer need to unwind VRP state.
7818 (record_equivalences_from_incoming_edge): No longer record
7820 (eliminate_redundant_computations): No longer call
7821 simplify_cond_and_lookup_avail_expr.
7822 * tree-flow.h (potentially_threadable_block): Prototype.
7823 (thread_across_edge): Likewise.
7824 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7825 (tree-ssa-threadedge.o): Add dependencies.
7826 * tree-ssa-threadedge.c: New file.
7827 * passes.c (init_optimization_passes): Merge PHIs before
7828 calling VRP. Run VRP again late in the SSA optimization pipeline.
7830 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7832 * df-core.c (df_set_blocks): Do not dereference function pointers.
7833 (df_finish1): Likewise.
7834 (df_hybrid_search_forward): Likewise.
7835 (df_hybrid_search_backward): Likewise.
7836 (df_iterative_dataflow): Likewise.
7837 (df_analyze_problem): Likewise.
7838 (df_compact_blocks): Likewise.
7839 (df_dump): Likewise.
7840 * df-scan.c (df_rescan_blocks): Likewise.
7841 (df_record_entry_block_defs): Likewise.
7843 * genconditions.c (write_conditions): Guard the definition of
7844 'insn_conditions' with the check on GCC version.
7845 (write_writer): Guard the traversal 'insn_conditions' with
7846 the check on GCC version.
7848 2006-02-07 Richard Guenther <rguenther@suse.de>
7852 2006-01-30 Richard Guenther <rguenther@suse.de>
7854 * gimplify.c (gimplify_target_expr): Handle easy cases
7855 without creating a temporary.
7857 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7859 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7860 use of float in probability computations. Use edge probabilities
7861 in place of statically computed probabilities.
7862 (min_spec_prob): New static variable.
7863 (schedule_insns): Initialize it.
7864 (GET_SRC_PROB): Removed.
7865 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7867 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7870 * config/ia64/unwind-ia64.c: Revert last change.
7871 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7872 (INCOMING_FRAME_SP_OFFSET): Define.
7874 2006-02-06 Roger Sayle <roger@eyesopen.com>
7876 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7878 2006-02-07 Ben Elliston <bje@au.ibm.com>
7880 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7881 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7882 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7883 (ix86_return_in_memory): Handle TDmode.
7884 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7885 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7887 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7889 * reorg.c (dbr_schedule): Use dump_file instead of file.
7891 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7894 * config/ia64/predicates.md (extr_len_operand): New predicate.
7895 * config/ia64/ia64.md (extv): Tighten constraints.
7897 (*tbit_and_2): Ditto.
7898 (*tbit_and_3): Ditto.
7899 (*tbit_or_2): Ditto.
7900 (*tbit_or_3): Ditto.
7904 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7907 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7909 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7911 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7912 loop_optimizer_init and loop_optimizer_finalize
7913 * tree-ssa-sink.c (execute_sink_code): Ditto.
7914 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7915 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7916 tree_ssa_loop_done): Ditto.
7917 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7918 * sched-ebb.c: Include output.h.
7919 (schedule_ebbs): Do not use dump argument.
7920 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7921 * loop.c (loop_dump_stream): Removed.
7922 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7924 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7925 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7926 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7927 loop_iterations, strength_reduce, record_biv, record_giv,
7928 final_giv_value, check_final_value, check_ext_dependent_givs,
7929 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7930 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7931 dump_file instead of loop_dump_stream.
7932 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7934 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7936 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7937 * haifa-sched.c: Include output.h
7938 (schedule_insns, sched_init): Do not use dump argument.
7939 * mode-switching.c (optimize_mode_switching): Ditto.
7940 * modulo-sched.c (stats_file): Removed.
7941 (print_node_sched_params): Do not call argument dump_file.
7942 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7943 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7945 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7947 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7948 rtl_loop_init, rtl_loop_done): Ditto.
7949 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7950 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7952 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7953 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7954 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7955 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7956 * emit-rtl.c (renumber_insns): Ditto.
7957 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7958 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7959 * regclass.c (regclass): Ditto.
7960 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7961 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7962 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7963 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7965 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7966 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7968 * gcse.c (gcse_file, debug_stderr): Removed.
7969 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7970 rest_of_handle_gcse): Do not use dump argument.
7971 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7972 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7973 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7974 compute_code_hoist_vbeinout, compute_code_hoist_data,
7975 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7976 compute_store_table, build_store_vectors, insert_insn_start_bb,
7977 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7978 store_motion): Use dump_file instead of gcse_file.
7979 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7980 * profile.c (profile_dump_file): Removed.
7981 (branch_prob): Use dump_file instead of profile_dump_file.
7982 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7984 * tree-ssa-copy.c (dump_copy_of): Ditto.
7985 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7986 dump file to life_analysis.
7987 * bt-load.c (branch_target_load_optimize): Ditto.
7988 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7990 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7991 regclass, dbr_schedule): Declaration changed.
7992 * sched-int.h (sched_init): Declaration changed.
7993 * tree-profile.c (tree_profile_dump_file): Removed.
7994 (tree_profile_hooks): Removed profile_dump_file hook.
7995 * rtl-profile (rtl_profile_dump_file): Removed.
7996 (rtl_profile_hooks): emoved profile_dump_file hook.
7997 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7999 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8000 * tree-cfg.c (build_tree_cfg): Ditto.
8001 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8002 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8003 Declaration changed.
8004 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8005 life_analysis and schedule_insns.
8006 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8008 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8010 * config/mips/mips.c (mips_reorg): Ditto.
8011 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8014 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8016 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8017 (s390_mangle_fundamental_type): New.
8018 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8021 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8022 (alpha_mangle_fundamental_type): New.
8023 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8026 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8028 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8030 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8031 (sparc_mangle_fundamental_type): New.
8033 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8035 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8036 (s390x-*-linux*): Likewise.
8037 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8038 * config/s390/t-linux: New file.
8040 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8042 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8043 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8045 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8047 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8048 (ANTIC_SAFE_LOADS): New macro.
8049 (find_or_generate_expression): Add prototype.
8050 (set_contains_value): Allow null set for sake of not always having
8051 to allocate ANTIC_SAFE_LOADS.
8052 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8053 Allow COMPONENT_REF too.
8054 (valid_in_set): Allow COMPONENT_REF.
8055 Check ANTIC_SAFE_LOADS too.
8056 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8057 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8059 (can_PRE_operation): Add COMPONENT_REF.
8060 (create_component_ref_by_pieces): New function.
8061 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8062 (insert_aux): Move AGGREGATE_TYPE_P check here.
8063 (compute_avail): Set bb local stmt uids.
8064 (pass_pre): Use TODO_update_ssa_only_virtuals.
8066 2006-02-06 Ben Elliston <bje@au.ibm.com>
8068 * configure.ac: Unconditionally disable decimal float by default.
8069 * configure: Regenerate.
8071 2006-02-06 Ben Elliston <bje@au.ibm.com>
8073 * read-rtl.c (read_name): Terminate reading on EOF.
8075 2006-02-06 Ben Elliston <bje@au.ibm.com>
8077 * dfp.c (decimal_real_arithmetic): Change second argument type
8078 from int to enum tree_code. Do not always return true, but now
8079 return result of any call to decimal_do helper functions.
8080 * dfp.h (decimal_real_arithmetic): Update prototype.
8082 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8084 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8086 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8089 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8092 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8094 * tree-vrp.c (cfg_loops): Removed.
8095 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8096 Use current_loops instead of cfg_loops. Pass flags to
8097 loop_optimizer_init.
8098 * cfgloopmanip.c (fix_loop_structure): Update only available
8100 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8101 loop_optimizer_init.
8102 * modulo-sched.c (build_loops_structure): Removed.
8103 (sms_schedule): Use loop_optimizer_init.
8104 * loop-init.c (loop_optimizer_init): Use flags to determine
8105 which properties of loops to prepare.
8106 (rtl_loop_init): Pass flags to loop_optimizer_init.
8107 * tree-ssa-sink.c (execute_sink_code): Ditto.
8108 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8109 * tree-ssa-pre.c (init_pre): Ditto.
8110 * cfgloop.h (LOOPS_NORMAL): New.
8111 (loop_optimizer_init): Declaration changed.
8113 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8115 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8116 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8118 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8120 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8122 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8123 * pa/t-pa64: Delete quadlib.c rule.
8124 * pa/x-ada: Revert last change.
8125 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8127 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8129 PR rtl-optimization/26087
8130 * rtlanal.c (canonicalize_condition): Do not cross basic block
8133 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8136 * config/ia64/ia64.c: Include debug.h.
8137 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8138 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8139 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8140 (process_epilogue, process_set, process_for_unwind_directive):
8141 Output unwind info only if requested. Add CFA info if requested.
8142 Add new arguments as needed. Adjust callers.
8143 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8145 (DWARF2_FRAME_INFO): Define to zero.
8146 * config/ia64/unwind-ia64.c: Remove code that compensated for
8147 the CFA offset error fixed above.
8148 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8149 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8150 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8151 -funwind-tables and -fexceptions to enable frame info.
8152 (dwarf2out_frame_init): Define initial CFA even if
8153 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8154 DWARF2_UNWIND_INFO is nonzero, not just defined.
8155 (dwarf2out_frame_finish): Output non-EH call frame info only
8156 if DWARF2_FRAME_INFO is nonzero.
8157 (convert_cfa_to_loc_list,
8158 compute_frame_pointer_to_cfa_displacement): Define even if
8159 unwind info is not supported.
8160 (gen_subprogram_die): Use the above unconditionally. Remove
8161 legacy alternate code.
8162 * toplev.c (compile_file): Compile in call to
8163 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8164 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8166 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8167 Jakub Jelinek <jakub@redhat.com>
8169 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8170 IBM extended float format long double as "g" on powerpc*-linux.
8172 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8175 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8176 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8178 2006-02-03 Jason Merrill <jason@redhat.com>
8181 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8184 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8185 on the return slot if it's an NRV.
8187 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8189 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8190 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8191 rewrite_use): Do not handle USE_OUTER.
8192 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8193 add_iv_outer_candidates, may_replace_final_value,
8194 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8195 (find_interesting_uses_op): Functionality of
8196 find_interesting_uses_outer_or_nonlin moved here.
8197 (find_interesting_uses_outside): Use find_interesting_uses_op.
8199 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8202 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8204 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8205 Ulrich Weigand <uweigand@de.ibm.com>
8208 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8209 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8210 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8211 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8213 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8214 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8215 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8216 Define secondary reloads for TFmode moves.
8217 (constant_modes): Add TFmode.
8218 (NR_C_MODES): Set to 8.
8219 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8221 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8222 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8223 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8224 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8225 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8226 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8227 (FPR mode macro): Add TFmode.
8228 (DSF mode macro): New.
8229 (<de>, <dee> mode attributes): Removed.
8230 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8231 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8232 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8233 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8234 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8235 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8236 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8237 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8238 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8239 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8240 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8241 "*negabs<mode>2", "sqrt<mode>2"):
8242 Changed <de> to <xde>. R constraint replaced by <Rf>.
8243 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8245 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8246 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8247 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8249 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8250 "extenddftf2", "extendsftf2"): New expanders.
8251 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8252 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8253 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8254 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8256 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8257 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8258 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8259 __floatditf): Add a GCC_4.1.0 symbol version tag.
8260 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8263 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8266 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8267 Use targetm.binds_local_p instead of TREE_PUBLIC.
8269 2006-02-02 Roger Sayle <roger@eyesopen.com>
8271 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8272 on INTEGER_TYPEs to indicate that it denotes a character type.
8273 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8274 signed_char_type_node, unsigned_char_type_node and char_type_node.
8275 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8276 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8277 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8279 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8280 Daniel Berlin <dberlin@dberlin.org>
8282 * tree-tailcall.c (arg_needs_copy_p): New function.
8283 (eliminate_tail_call): Use arg_needs_copy_p.
8284 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8285 (add_virtual_phis): New function.
8287 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8289 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8290 #ignore instead of #scratch for %g7 .register directive.
8292 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8294 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8297 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8299 * flow.c (calculate_global_regs_live): Assert that there aren't any
8302 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8304 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8306 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8307 bsi_after_labels iterator.
8308 * tree-if-conv.c (find_phi_replacement_condition,
8309 replace_phi_with_cond_modify_expr): Likewise.
8310 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8311 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8313 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8315 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8317 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8320 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8321 array after growing it.
8323 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8326 * fold-const.c (fold_checksum_tree): Change type of buf.
8328 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8330 * reload.c (push_secondary_reload): Initialize t_icode.
8332 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8334 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8335 -msoft-float -mlong-double-128 only issue a warning, but don't
8336 swich to DFmode long double.
8338 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8340 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8341 has a constant equivalent, iterate over equivalents for arg0,
8342 calling simplify_relational_operation and if there's a result
8343 cheaper than X, apply fold_rtx and return the result.
8345 2006-02-01 Jan Hubicka <jh@suse.cz>
8347 * opts.c (no_unit_at_a_time_default): New global variable.
8348 (decode_options): Use it.
8349 * opts.h (no_unit_at_a_time_default): Declare.
8351 2006-02-01 Paul Brook <paul@codesourcery.com>
8353 * function.c (assign_parm_setup_reg): Use function argument promotion
8355 * expr.c (expand_expr_real_1): Use function argument promotion rules
8358 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8360 * gcc.c (process_command): Change j to 'unsigned int'.
8362 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8365 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8366 Use the corrected index for the character
8367 out of the string constant.
8369 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8371 * mode-switching.c (optimize_mode_switching): Fix size
8372 allocated for bb_info[n_entities].
8374 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8376 * gcc.c (main): Correct type that is allocated for
8377 explicit_link_files.
8379 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8381 * config/s390/s390.c (init_alignment_context): Set
8382 ALIAS_SET_MEMORY_BARRIER on the MEM.
8383 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8385 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8388 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8390 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8393 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8395 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8396 * regrename.c: Ditto.
8397 * tree-ssa-loop-im.c: Ditto.
8398 * tree-dump.c: Ditto.
8399 * tree-complex.c: Ditto.
8400 * genrecog.c: Ditto.
8401 * tree-ssa-threadupdate.c: Ditto.
8403 * java/class.c: Ditto.
8404 * java/jcf-parse.c: Ditto.
8405 * java/resource.c: Ditto.
8406 * java/except.c: Ditto.
8407 * java/jvspec.c: Ditto.
8408 * java/jcf-write.c: Ditto.
8409 * java/jcf-path.c: Ditto.
8410 * java/gjavah.c: Ditto.
8411 * java/zextract.c: Ditto.
8412 * java/jcf-io.c: Ditto.
8413 * java/jcf.h: Ditto.
8414 * java/buffer.c: Ditto.
8415 * java/lang.c: Ditto.
8416 * java/parse-scan.y: Ditto.
8417 * java/lex.c: Ditto.
8418 * java/lex.h: Ditto.
8419 * cfgloopmanip.c: Ditto.
8420 * postreload-gcse.c: Ditto.
8421 * tree-ssa-loop-manip.c: Ditto.
8422 * postreload.c: Ditto.
8423 * tree-ssa-loop-ch.c: Ditto.
8427 * diagnostic.c: Ditto.
8429 * genoutput.c: Ditto.
8431 * cfghooks.c: Ditto.
8432 * cfgloopanal.c: Ditto.
8433 * objc/objc-act.c: Ditto.
8435 * genextract.c: Ditto.
8436 * genautomata.c: Ditto.
8437 * pretty-print.c: Ditto.
8439 * cgraphunit.c: Ditto.
8442 * haifa-sched.c: Ditto.
8443 * dominance.c: Ditto.
8445 * tree-ssa-loop-ivopts.c: Ditto.
8447 * mode-switching.c: Ditto.
8448 * modulo-sched.c: Ditto.
8450 * ipa-pure-const.c: Ditto.
8452 * fix-header.c: Ditto.
8454 * tree-stdarg.c: Ditto.
8455 * ipa-utils.c: Ditto.
8456 * loop-init.c: Ditto.
8457 * ipa-inline.c: Ditto.
8460 * alloc-pool.c: Ditto.
8461 * dwarf2out.c: Ditto.
8463 * genattrtab.c: Ditto.
8464 * tree-ssa-loop-ivcanon.c: Ditto.
8468 * fortran/gfortranspec.c: Ditto.
8470 * local-alloc.c: Ditto.
8471 * langhooks.c: Ditto.
8472 * function.c: Ditto.
8473 * tree-vectorizer.c: Ditto.
8475 * ipa-type-escape.c: Ditto.
8477 * tree-if-conv.c: Ditto.
8480 * tree-data-ref.c: Ditto.
8481 * loop-unroll.c: Ditto.
8482 * treelang/treetree.c: Ditto.
8485 * ggc-common.c: Ditto.
8487 * coverage.c: Ditto.
8489 * tree-cfgcleanup.c: Ditto.
8490 * tree-ssa-pre.c: Ditto.
8491 * cfgcleanup.c: Ditto.
8492 * loop-invariant.c: Ditto.
8494 * ipa-prop.c: Ditto.
8495 * print-tree.c: Ditto.
8496 * conflict.c: Ditto.
8497 * ggc-page.c: Ditto.
8498 * sched-deps.c: Ditto.
8499 * regclass.c: Ditto.
8500 * tree-object-size.c: Ditto.
8502 * bb-reorder.c: Ditto.
8503 * resource.c: Ditto.
8504 * var-tracking.c: Ditto.
8506 * df-problems.c: Ditto.
8507 * reg-stack.c: Ditto.
8510 * sched-rgn.c: Ditto.
8511 * tree-ssa-structalias.c: Ditto.
8512 * tree-ssa-reassoc.c: Ditto.
8513 * config/darwin-c.c: Ditto.
8514 * config/darwin.c: Ditto.
8515 * config/arm/arm.c: Ditto.
8517 * collect2.c: Ditto.
8520 2006-01-31 Nicolas Pitre <nico@cam.org>
8522 * arm.md (smaxsi3): Make aware of smax_m1.
8525 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8527 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8529 2006-01-31 Richard Guenther <rguenther@suse.de>
8531 * doc/invoke.texi (-msselibm): Document.
8532 * target.h (expand_library_builtin): New target hook.
8533 * builtins.c (expand_builtin): Use expand_library_builtin.
8534 (default_expand_library_builtin): New function.
8535 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8536 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8537 (link_gcc_math_spec): Declare.
8538 (static_specs): Add link_gcc_math_spec.
8539 * expr.h (default_expand_library_builtin): Declare.
8540 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8541 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8542 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8543 * config/i386/i386.opt (msselibm): New target option.
8544 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8545 (ix86_init_sse_abi_builtins): New function.
8546 (ix86_expand_library_builtin): Likewise.
8547 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8548 (override_options): Handle error conditions wrt -msselibm.
8549 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8550 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8551 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8554 2006-01-31 Richard Guenther <rguenther@suse.de>
8555 Paolo Bonzini <bonzini@gnu.org>
8557 * doc/install.texi (--disable-libgcc-math): Document.
8559 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8561 * expr.h (expand_normal): new inline function.
8562 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8564 * dwarf2out.c: use it.
8569 * config/sparc/sparc.c: use it.
8570 * config/i386/i386.c: use it.
8571 * config/rs6000/rs6000.c: use it.
8572 * config/arm/arm.c: use it.
8573 * config/mips/mips.c: use it.
8574 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8576 2006-01-30 Roger Sayle <roger@eyesopen.com>
8578 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8579 argv to the appropriate type.
8581 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8583 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8586 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8589 * config/s390/s390.c (struct machine_function): New flag
8590 decomposed_literal_pool_addresses_ok_p.
8591 (s390_reorg): Set it before final stage of literal pool transforms.
8592 (s390_decompose_address): Only accept displacements of the form
8593 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8595 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8597 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8598 the comparison routine return.
8600 2006-01-30 Michael Matz <matz@suse.de>
8602 * global.c (find_reg): Only evict for global regs.
8603 Take n_refs into account and dump more info.
8605 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8608 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8609 (pragma_trap, pragma_nosave_low_regs): Likewise.
8610 (current_function_anonymous_args): Likewise.
8611 (sh_deferred_function_attributes): New variable.
8612 (sh_deferred_function_attributes_tail): Likewise.
8613 (print_operand): For '@', look up trap_exit attribute.
8614 (calc_live_regs): Look up trapa_handler attribute. For trapa
8615 handlers, save/restore fpscr, but don't do any other
8616 interrupt-specific saves.
8617 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8618 Fix check for partially saved registers to check for SHmedia.
8619 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8620 (sh_output_function_epilogue): Don't clear any of the removed
8622 (sh_insert_attributes): Don't check pragma_interrupt.
8623 Insert deferred attributes. Check that interrupt attribute is
8624 present for other attributes that require its presence.
8625 (sh_attribute_table): Add new attributes trapa_handler and
8627 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8628 Don't check for pragma_interrupt. Don't store argument.
8629 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8630 (sh_deferred_function_attributes): Declare.
8631 (sh_deferred_function_attributes_tail): Likewise.
8632 * sh.md (sp_switch_1): Add operand. Change generator caller.
8633 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8634 (*return_i): Don't use when trap_exit attribute is in effect.
8635 (*return_trapa): New insn pattern.
8637 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8638 setting c_target_objs and cxx_target_objs.
8639 * t-sh: Add rule for sh-c.o.
8641 2006-01-30 Richard Guenther <rguenther@suse.de>
8644 * gimplify.c (gimplify_target_expr): Handle easy cases
8645 without creating a temporary.
8647 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8649 * vec.h (safe_grow): Remove duplicated line.
8651 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8654 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8655 (expand_omp): ... here.
8656 (expand_omp_parallel): Only remove barriers for combined
8657 parallel+workshare constructs.
8659 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8663 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8664 * tree.c (build_qualified_type): Chain the new type to the original
8665 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8666 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8667 (build_pointer_type_for_mode): Only return unqualified types.
8668 (build_reference_type_for_mode): Likewise.
8670 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8672 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8673 * Makefile.in (CXX_COMPAT_WARN): Define.
8674 * configure: Regenerate.
8676 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8679 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8682 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8684 * toplev.c: Fix thinko.
8686 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8687 Marcin Dalecki <martin@dalecki.de>
8689 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8690 (push_srcloc): Use XNEW.
8691 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8693 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8695 * df-core.c (df_set_blocks): Deleted all variable.
8697 2006-01-28 Ian Lance Taylor <ian@airs.com>
8699 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8700 cgraph_output_pending_asms.
8702 2006-01-28 Zack Weinberg <zackw@panix.com>
8704 * c.opt: Add -W(no-)overlength-strings.
8705 * doc/invoke.texi: Document it.
8706 * c-opts.c (c_common_handle_option): -pedantic implies
8707 -Woverlength-strings, if not explicitly disabled already.
8708 (c_common_post_options): -Woverlength-strings defaults to off, and
8709 is always off for C++.
8710 * c-common.c (fix_string_type): Issue warning about strings longer
8711 than is portable only if warn_overlength_strings. Rearrange code
8712 a little for clarity.
8713 * configure.in: Check for -Wno-overlength-strings as well before
8714 enabling -pedantic in stage 1.
8715 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8716 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8718 * genconditions.c (write_header, write_one_condition)
8719 (write_conditions, write_writer): Consolidate very long strings
8720 that were broken up to fit in C89 portable limit. Don't use
8721 printf when fputs will do.
8723 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8725 * combine.c (simplify_comparison <AND>): Check
8726 TRULY_NOOP_TRUNCATION before start using a subreg.
8728 * config/mips/mips.md (*branch_zero<mode>,
8729 *branch_zero<mode>_inverted, *branch_equality<mode>,
8730 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8731 Remove mode check from comparisons.
8733 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8735 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8737 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8739 * expmed.c (const_mult_add_overflow_p): Remove.
8740 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8742 * recog.c (validate_replace_rtx_subexp): Remove.
8743 * recog.h: Remove the prototype for
8744 validate_replace_rtx_subexp.
8746 * integrate.h: Remove the prototype for
8747 copy_decl_for_inlining.
8748 * rtl.h: Remove the prototype for mark_constant_function.
8749 * tree-vectorizer.h: Remove the prototype for
8750 vect_strip_conversion.
8752 * modulo-sched.c (create_partial_schedule,
8753 free_partial_schedule, reset_partial_schedule): Make them
8756 * hooks.c (hook_bool_rtx_int_false): Remove.
8757 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8759 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8761 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8762 and -mlong-double-128 are incompatible.
8763 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8764 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8765 (TARGET_LIBGCC2_CFLAGS): Define.
8766 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8767 (TARGET_LIBGCC2_CFLAGS): Same.
8768 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8770 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8773 * c-typeck.c (build_binary_op): Perform implicit casts of
8774 operands before shortening them.
8776 * cfgloopmanip.c (split_loop_bb): Remove.
8777 * cfgloop.h: Remove the prototype for split_loop_bb.
8779 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8780 * cfgloop.h: Remove the prototype for
8781 flow_loop_outside_edge_p.
8783 * emit-rtl.c (init_virtual_regs): Make it static.
8784 * function.h: Remove the prototype for init_virtual_regs.
8786 * recog.c (peephole2_optimize): Make it static.
8787 * recog.h: Remove the prototype for peephole2_optimize.
8789 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8791 * df-scan.c (df_record_entry_block_defs): Check if
8792 INCOMING_RETURN_ADDR_RTX is defined.
8794 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8795 Kenneth Zadeck <zadeck@naturalbridge.com>
8797 PR rtl-optimization/24762
8798 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8799 * targhooks.c (hook_void_bitmap): New hook prototype.
8800 * targhoohs.h (hook_void_bitmap): Ditto.
8801 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8802 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8803 * target.h (live_on_entry): New function pointer.
8804 * df-scan.c (df_all_hard_regs): Removed.
8805 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8806 (df_scan_free_internal): Added df->entry_block_defs.
8807 (df_scan_alloc): Ditto.
8808 (df_scan_dump): Ditto.
8809 (df_uses_record): Plumbed flag field properly thru calls.
8810 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8811 This part fixes PR24762.
8812 (df_bb_refs_record): Added code to make the frame and arg
8813 pointers live in EH blocks.
8814 (df_refs_record): Added call to df_record_entry_block_defs.
8815 (df_record_entry_block_defs): New function.
8816 * df-core.c: Added comments to describe new artifical defs.
8817 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8818 (entry_block_defs): New field in struct df.
8819 (df_all_hard_regs): Deleted.
8820 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8821 * df-problems.c (df_ru_bb_local_compute_process_def):
8822 Added code to handle artifical defs in the entry to a function.
8823 (df_ru_bb_local_compute): Ditto.
8824 (df_rd_bb_local_compute_process_def): Ditto.
8825 (df_rd_bb_local_compute): Ditto.
8826 (df_lr_bb_local_compute): Ditto.
8827 (df_ur_bb_local_compute): Ditto.
8828 (df_urec_bb_local_compute): Ditto.
8829 (df_chain_create_bb): Ditto.
8830 (df_ur_local_finalize): Removed entry.
8831 (df_urec_init): Ditto.
8832 (df_urec_local_finalize): Ditto.
8833 (df_ri_bb_compute): Added detection of last use of pseudos.
8834 * Makefile.in (df-scan.o): Updated dependencies.
8835 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8836 * config/mips/mips.c (mips_set_live_on_entry): Added.
8837 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8839 * dce.c (marked_insn_p): Added code to handle artifical defs.
8841 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8843 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8845 (_mm_cvtsi128_si64): Likewise.
8846 (_mm_cvtsd_si64): Likewise.
8847 (_mm_cvttsd_si64): Likewise.
8848 (_mm_cvtsi64_sd): Likewise.
8849 (_mm_cvtsi64_si128): Likewise.
8850 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8851 (_mm_cvtsi64_m64): Likewise.
8852 (_m_to_int64): Likewise.
8853 (_mm_cvtm64_si64): Likewise.
8854 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8855 (_mm_cvttss_si64): Likewise.
8856 (_mm_cvtsi64_ss): Likewise.
8857 (_mm_cvtss_f32): Likewise.
8859 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8861 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8862 for pragma redefine_extname.
8864 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8867 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8868 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8869 -mno-minimal-toc to previous content.
8870 (bispecs): Remove goal.
8871 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8872 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8873 compatibility aliases on powerpc-*-*gnu*.
8874 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8875 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8876 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8877 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8878 (ldblspecs): New goal.
8879 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8880 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8882 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8883 L_sf_to_tf or L_df_to_tf is defined.
8885 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8886 Alan Modra <amodra@bigpond.net.au>
8889 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8890 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8891 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8892 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8893 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8894 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8895 (rs6000_override_options): Initialize rs6000_ieeequad.
8896 Initialize TFmode format to ibm_extended_format if not
8898 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8900 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8901 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8902 (function_arg_advance): IBM long double passed in two FPRs, not
8904 (function_arg): IBM long double passed in FPRs.
8905 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8906 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8907 Only multireg GPR aligned.
8908 (rs6000_init_libfuncs): Enable IBM long double functions if not
8910 (rs6000_generate_compare): Use IBM long double compare if not
8912 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8913 (TARGET_IEEEQUAD): Define.
8914 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8915 not TARGET_IEEEQUAD.
8916 * config/rs6000/rs6000.md: Enable TFmode patterns if
8918 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8919 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8920 and -mlong-double-128 are incompatible.
8921 * doc/invoke.texi (-mabi): Collect options together. Add
8922 ibmlongdouble and ieeelongdouble.
8924 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8926 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8928 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8929 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8930 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8931 * rtl.h (rtunion_def): Remove rt_ptr.
8933 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8934 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8935 * config/i386/winnt.c (i386_pe_mark_dllexport)
8936 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8938 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8940 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8942 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8946 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8947 pthread_key_delete. From John David Anglin. gthrw-ify
8948 pthread_getunique_np only if it it's not a macro. Delete
8950 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8951 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8952 __gthread_objc_condition_signal, __gthread_key_delete): Add
8953 "__attribute__ ((__unused__))" to unused arguments.
8954 (__gthread_recursive_mutex_init_function): Add missing return.
8955 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8956 gthr-posix95.h: Use macro-based approach for name redirection
8957 on targets missing weakref.
8959 2006-01-26 Zack Weinberg <zackw@panix.com>
8961 * genconditions.c (write_header): In generated code, #ifdef out
8962 all includes and fake declarations, except includes of bconfig.h
8963 and system.h, unless GCC_VERSION >= 3001. Do not include
8964 gensupport.h in any case.
8965 (write_conditions): Generate a definition of struct c_test. Add
8966 a comment to the generated #endif.
8967 (write_one_condition): Escape backslashes in string too.
8968 (write_writer): Generated code must escape backslashes and quote
8969 marks (but not newlines) in the strings it writes.
8970 * Makefile.in (build/gencondmd.o): Update dependencies.
8972 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8975 * Makefile.in (insn-automata.o): Add header file dependencies.
8976 * genautomata.c: Add includes.
8978 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8981 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8983 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8985 * configure.ac: Expect target tools paths to be passed from the toplevel
8986 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8988 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8990 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8993 * c.opt (Wpointer-sign): Init to -1.
8994 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8995 OPT_pedantic, to 0 otherwise.
8996 * doc/invoke.texi: Update.
8998 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9000 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9001 constants provided by 80387 instructions in the destination mode.
9003 2006-01-26 Richard Guenther <rguenther@suse.de>
9004 Andrew Pinski <pinskia@physics.uc.edu>
9007 partial PR tree-opt/17064
9008 * tree-ssa-structalias.c (intra_create_variable_infos):
9009 Create heap variables for incoming parameters if
9010 flag_argument_noalias > 1.
9011 (find_what_p_points_to): Look through default defs of
9014 2006-01-26 Jeff Law <law@redhat.com>
9017 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9018 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9019 within the VR_RANGE, use the VR_RANGE as the result, not the
9021 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9022 bounds for the type.
9024 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9026 * tree-ssa-alias.c (maybe_create_global_var): Change
9027 subvar walking to an assertion that we don't have subvar'd variables.
9029 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9032 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9033 Use a new variable, inner. PARM_DECLs are always non-weak.
9035 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9037 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9040 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9042 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9044 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9046 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9047 (smax_insn, smin_insn, smax_0, smin_0): New.
9049 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9052 * config/cris/cris.c (cris_order_for_addsi3): New function.
9053 * config/cris/cris-protos.h: Prototype it.
9054 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9055 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9056 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9057 (split for "op.S1 [rx=rx+i],ry (swapped)")
9058 (split for "op(s|u).S1 [rx=rx+i],ry")
9059 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9060 Apply cris_order_for_addsi3 when generating addsi3 insns.
9062 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9064 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9065 (TREE_BLOCK): Add call to EXPR_CHECK.
9067 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9070 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9071 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9072 (dump_omp_clauses): ... here.
9073 (dump_generic_node): Handle OMP_CLAUSE.
9074 * tree.c (omp_clause_num_ops): New.
9075 (omp_clause_code_name): New.
9076 (tree_code_size): Handle OMP_CLAUSE.
9077 (tree_size): Likewise.
9078 (make_node): Document handling of OMP_CLAUSE.
9079 (tree_node_structure): Handle OMP_CLAUSE.
9080 (omp_clause_check_failed): New.
9081 (omp_clause_range_check_failed): New.
9082 (omp_clause_operand_check_failed): New.
9083 (build_omp_clause): New.
9084 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9085 * tree.h (enum omp_clause_code): Declare.
9086 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9087 (OMP_CLAUSE_RANGE_CHECK): Define.
9088 (OMP_CLAUSE_ELT_CHECK): Define.
9089 (omp_clause_check_failed): Declare.
9090 (omp_clause_operand_check_failed): Declare.
9091 (omp_clause_range_check_failed): Declare.
9092 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9093 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9094 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9095 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9096 (OMP_CLAUSE_IF_EXPR): Likewise.
9097 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9098 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9099 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9100 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9101 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9102 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9103 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9104 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9105 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9106 (OMP_CLAUSE_CODE): Define.
9107 (OMP_CLAUSE_SET_CODE): Define.
9108 (OMP_CLAUSE_CODE): Define.
9109 (OMP_CLAUSE_OPERAND): Define.
9110 (struct tree_omp_clause): Declare.
9111 (union tree_node): Add field 'omp_clause'.
9112 * treestruct.def (TS_OMP_CLAUSE): Define.
9113 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9114 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9115 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9116 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9117 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9118 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9119 (OMP_CLAUSE): Define.
9120 * print-tree.c (print_node): Handle OMP_CLAUSE.
9121 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9122 * c-typeck.c: Likewise.
9123 * gimplify.c: Likewise.
9124 * c-omp.c: Likewise.
9125 * tree-nested.c: Likewise.
9126 * tree-inline.c: Likewise.
9127 * c-parser.c: Likewise.
9128 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9131 2006-01-25 Roger Sayle <roger@eyesopen.com>
9133 PR rtl-optimization/25703
9134 * combine.c (try_combine): Handle zero_extract and strict_low_part
9135 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9137 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9139 * global.c: Fix comment typos.
9141 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9144 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9145 Use output_addr_const instead of assemble_name.
9147 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9149 * Makefile.in (sched-vis.o): Update dependencies.
9150 * haifa-sched.c (sched_finish): Clear current_sched_info.
9151 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9152 (dump_flow_info): Call it.
9153 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9155 * basic-block.h (dump_bb_info): Declare.
9156 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9157 option, and apply options only for dump files whose TDF_RTL,
9158 TDF_TREE, or TDF_IPA bits match.
9159 * rtl.h: Declare new functions exported from sched-vis.c.
9160 * sched-vis.c: Enable also if scheduling is not used.
9161 (print_value): Print the mode of registers if not inside scheduling.
9162 (print_insn): Make it work outside the scheduler. Beautify the output
9164 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9166 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9168 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9169 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9170 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9171 depending on the value of CONSTANT_POOL_ADDRESS_P.
9172 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9174 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9175 rather than SYMBOL_REF_DECL.
9176 (rtx_constant_pool): Remove const_rtx_sym_htab.
9177 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9178 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9179 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9180 Remove handling of const_rtx_sym_htab.
9181 (find_pool_constant): Delete.
9182 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9183 rather than find_pool_constant.
9184 (get_pool_constant_for_function): Delete.
9185 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9187 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9188 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9189 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9190 (SYMBOL_REF_CONSTANT): New macro.
9191 (get_pool_constant_for_function): Delete.
9192 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9193 rather than SYMBOL_REF_DECL.
9194 (i386_pe_mark_dllimport): Likewise.
9195 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9196 rather than SYMBOL_REF_DECL.
9197 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9198 (machopic_indirect_call_target): Likewise.
9200 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9202 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9204 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9206 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9208 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9210 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9212 2006-01-24 David Daney <ddaney@avtrex.com>
9215 * configure.ac (enable_tls): New enable option.
9216 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9217 * configure: Regenerate.
9218 * doc/install.texi (--enable-tls): Document new option.
9219 (--disable-tls): Ditto.
9221 2006-01-24 Richard Henderson <rth@redehat.com>
9223 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9224 * alias.c (true_dependence): Respect it.
9225 (canon_true_dependence, write_dependence_p): Likewise.
9226 * builtins.c (get_builtin_sync_mem): Set it.
9228 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9230 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9233 2006-01-24 DJ Delorie <dj@redhat.com>
9235 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9236 for storing constants in single-bit bitfields.
9238 2006-01-25 Ben Elliston <bje@au.ibm.com>
9240 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9242 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9245 * tree-ssa-pre.c (phi_translate): Return NULL
9246 for AGGREGATE_TYPE's.
9248 2006-01-24 Zack Weinberg <zackw@panix.com>
9250 * genautomata.c (process_state_for_insn_equiv_partition):
9251 Use xcalloc for insn_arcs_array.
9252 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9253 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9255 2006-01-24 Richard Henderson <rth@redhat.com>
9257 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9260 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9262 PR rtl-optimization/25890
9263 PR rtl-optimization/25905
9264 * combine.c (expand_compound_operation, expand_field_assignment):
9265 Fail if the bitfield's final position is out of bounds.
9267 2006-01-24 Ian Lance Taylor <ian@airs.com>
9270 * cgraphunit.c (cgraph_output_in_order): Don't clear
9271 cgraph_asm_nodes until after asm strings have been output.
9273 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9275 * fix-header.c (read_scan_file): Add new parameter imultilib when
9276 calling register_include_chains.
9278 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9280 * omp-low.c: Update documentation.
9282 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9283 Daniel Berlin <dberlin@dberlin.org>
9287 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9288 return from the function.
9290 2006-01-22 Zack Weinberg <zackw@panix.com>
9292 * rtl.def (match_code): Add second argument.
9293 * genpreds.c (write_extract_subexp): New function.
9294 (write_match_code): Add path argument. Use write_extract_subexp.
9295 (write_predicate_expr): Pass path to write_match_code.
9296 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9297 not perform a mode test.
9298 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9299 a subexpression does not constrain the top-level code set.
9300 * read-rtl.c (read_rtx_variadic): New function.
9301 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9302 * doc/md.texi: Document new notation.
9303 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9304 (cmpsi_operand): ... here, using new notation.
9306 2006-01-22 Zack Weinberg <zackw@panix.com>
9308 * varray.c: Remove GENERATOR_FILE #ifdefs.
9310 2006-01-22 Zack Weinberg <zackw@panix.com>
9312 * genautomata.c (output_reserved_units_table): Emit nothing if
9313 description->query_units_num is zero. Remove extra blank line.
9314 (output_cpu_unit_reservation_p): Short circuit
9315 if description->query_units_num is zero.
9317 2006-01-22 Zack Weinberg <zackw@panix.com>
9319 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9320 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9321 nor any of the random handful of variables that used to be necessary
9322 when this program was linked with rtlanal.o. Prune set of forward
9323 function declarations.
9324 (struct attr_desc): Remove static_p field.
9325 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9326 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9327 (attr_string): Do not read the character one past the length of
9329 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9330 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9331 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9332 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9333 (make_automaton_attrs): New.
9334 (main): Do not call into genautomata. Call local gen_bypass
9335 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9336 Remove special case for insn_alts.
9337 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9338 varray.h (leftover from previous change). Prune set of forward
9339 function declarations. Remove state_alts fields from all
9340 structures. Remove state_alts_table from struct automaton.
9341 Make everything except main static. Do not maintain num_dfa_decls.
9342 Do not maintain state_alts fields of various structures.
9343 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9344 (add_arc): Remove state_alts argument. All callers updated.
9345 (output_reserved_units_table): Emit #ifdef here...
9346 (output_tables): ...not here. Don't generate state_alts tables.
9347 (expand_automata): Don't generate attributes.
9348 (write_automata): Don't generate state_alts functions.
9349 (main): New function.
9350 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9351 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9352 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9353 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9354 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9355 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9356 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9357 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9359 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9360 * genattrtab.h: Delete file.
9361 * Makefile.in (OBJS-common): Add insn-automata.o.
9362 (insn-automata.o): New rule.
9363 (simple_generated_c): Add insn-automata.c.
9364 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9365 (genprogmd): Add automata.
9366 (build/genattrtab): Needs no extra objects nor libraries.
9367 (build/genautomata): Needs build/vec.o and -lm.
9369 2006-01-22 Zack Weinberg <zackw@panix.com>
9371 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9372 (output_dfa_max_issue_rate, locked_states_num): Delete.
9373 (struct automaton): Add locked_states field.
9374 (output_dead_lock_vect): Save number of locked states in
9375 automaton->locked_states. If it is zero, don't print anything.
9376 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9377 (output_internal_dead_lock_func): Only test the dead_lock_vect
9378 for automata that have locked states.
9379 (output_statistics): Always print the number of locked states for
9380 each automaton. Calculate total number of locked states here.
9381 (write_automata): Don't call output_dfa_max_issue_rate.
9382 * genattrtab.c: Define length_unit_log as a const variable.
9383 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9384 max_insn_queue_index const.
9385 * final.c (length_unit_log): Declare const.
9386 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9388 2006-01-22 Zack Weinberg <zackw@panix.com>
9390 * genautomata.c: Include vec.h, not varray.h.
9391 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9392 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9393 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9394 VEC_* macros operating on appropriately typed vectors, or to
9395 malloced arrays when the size is known in advance. Const-ify
9396 many char* variables and function arguments. No functional changes.
9397 * Makefile.in (build/varray.o): Delete rule.
9398 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9399 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9401 2006-01-22 Zack Weinberg <zackw@panix.com>
9403 * gensupport.c: Define get_insn_name and record_insn_name here.
9404 (read_md_rtx): Call record_insn_name as appropriate.
9405 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9406 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9407 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9409 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9410 (BUILD_VARRAY): Delete.
9411 (genprognormal): Rename genprogmd. Fold in all programs from
9412 genprognoprint; also attrtab.
9413 (build/genattrtab): Just mention genautomata.o and varray.o.
9414 Reorganize a bit, add comments to make the categories clearer.
9416 2006-01-22 Zack Weinberg <zackw@panix.com>
9418 * genconditions.c (condition_table, add_condition): Delete.
9419 (write_conditions): Don't emit n_insn_conditions nor
9420 insn_elision_unavailable. Issue the gcc version #ifdef here,
9421 inside the table, with no #else clause ...
9422 (write_header): ...not here.
9423 (write_writer): New function.
9424 (main): Don't initialize condition_table. Use add_c_test.
9426 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9427 files on the command line.
9428 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9429 Return -1 if there is no entry in the table, don't abort.
9430 (add_c_test, traverse_c_tests): New functions.
9431 * gensupport.h (insn_elision_unavailable, insn_conditions)
9432 (n_insn_conditions): Delete declarations.
9433 (add_c_test, traverse_c_tests): Declare.
9434 * read-rtl.c: Include gensupport.h.
9435 (read_conditions): New function.
9436 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9437 (read_rtx_1): If we get EOF when we were looking for an initial
9438 open paren, return 0. Call read_conditions when appropriate.
9439 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9440 dummy-conditions.o. Eliminate references to insn-conditions.o,
9441 or change them to build/gencondmd.o, as appropriate. Remove
9442 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9443 from $(simple_generated_c). For all files remaining in those
9444 two lists, add insn-conditions.md to the generator command line.
9445 Give insn-constants.h/s-constants their own rules. Add rules
9446 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9447 (build/read-rtl.o): Depend on gensupport.h.
9448 (genprognormal): Include preds.
9449 (genprogearly): Rename genprognoprint; only difference is now that
9450 they don't link with $(BUILD_PRINT).
9451 * dummy-conditions.c: Delete.
9453 2006-01-22 Zack Weinberg <zackw@panix.com>
9455 * genextract.c: Don't include insn-config.h. Do include vec.h.
9456 Declare vectors of int, char, and locstr.
9457 (locstr): New typedef.
9458 (struct extraction): Make all array fields into bare pointers.
9459 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9460 (insn_code_number): Delete.
9461 (accum_extract): New struct.
9462 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9463 (gen_insn): Take insn_code_number as an argument. Use an
9464 accum_extract structure instead of loading data directly into
9465 a struct extraction, and having to know how big it might get.
9466 (walk_rtx): Operate entirely on an accum_extract structure.
9467 (print_path): Avoid unnecessary use of printf.
9468 (print_header): New function, split out of main. Distinguish
9469 more carefully between an unrecognizable insn and an insn that
9470 has the code number of a define_expand.
9471 (main): Pass insn_code_number to gen_insn. Call print_header
9472 only after parsing. Avoid unnecessary use of printf.
9473 * Makefile.in (build/vec.o): New rule.
9474 (build/genextract): Depend on build/vec.o.
9475 (build/genextract.o): Don't depend on insn-config.h.
9477 2006-01-22 Zack Weinberg <zackw@panix.com>
9479 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9480 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9481 practical. Eliminate per-generator-program link rules.
9483 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9486 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9487 with a call expr to ...
9488 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9490 2006-01-23 Richard Guenther <rguenther@suse.de>
9492 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9493 before make_edge with conditional EDGE_TRUE_VALUE.
9495 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9496 Jan Hubicka <jh@suse.cz>
9497 Richard Guenther <rguenther@suse.de>
9499 PR rtl-optimization/25654
9500 * cfgexpand.c (aggregate_contains_union_type): New function.
9501 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9502 for structure variables that contain a union type.
9504 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9506 * gengtype.c (new_structure): Return the structure.
9507 (create_option): Add an extra "next" argument.
9508 (create_field): New function.
9509 (adjust_field_rtx_def): Use create_option and create_field.
9510 Remove a now-unnecessary call to find_structure.
9511 (adjust_field_tree_def): Likewise.
9512 (note_yacc_type): Remove an unnecessary call to find_structure.
9513 * gengtype.h (new_structure): Return the structure.
9514 (create_option): Add an extra argument.
9515 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9516 (option): Adjust calls to create_option.
9518 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9520 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9522 2006-01-22 Paul Brook <paul@codesourcery.com>
9523 Peter Barada <peter@the-baradas.com>
9525 * config/m68k/m68k.md: Add Coldfire FPU support.
9526 Define FP mode macro and associated attributes.
9527 Use it for float mode patterns.
9528 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9529 (LIBCALL_VALUE): Use m68k_libcall_value.
9530 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9531 (m68k_function_value): Ditto.
9532 (emit_move_sequence): Ditto.
9533 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9534 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9535 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9536 (MULTILIB_EXCEPTIONS): Ditto.
9537 * config/m68k/m68k.opt: Add mcfv4e.
9538 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9539 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9540 (m68k_output_function_prologue): Save ColdFire FPU registers.
9541 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9542 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9543 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9544 ColdFire FPU registers.
9545 (m68k_libcall_value, m68k_function_value): New functions.
9546 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9547 (LIBCALL_VALUE): Use m68k_libcall_value.
9548 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9549 (MASK_COLDFIRE): Add MASK_CFV4E.
9550 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9551 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9552 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9553 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9554 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9555 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9556 * doc/invoke.tex: Document -mcfv4e on m68k.
9558 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9560 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9563 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9566 * c-opts.c (c_common_handle_option): Don't include
9567 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9568 * doc/invoke.texi (C++ Dialect Options): Document that
9569 -Wnon-virtual-dtor is no longer included in -Wall.
9571 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9573 * gcov.c (print_version), gcov-dump.c (print_version),
9574 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9577 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9579 * df-scan.c (problem_SCAN): Added NULL reset function.
9580 (df_scan_reset_blocks): Added code to call reset block function
9581 (df_bb_refs_delete) Fixed comment.
9582 (df_insn_refs_delete): Made tolerant of deleting non existent info
9583 for dataflow problems that need to be reset.
9584 * df-core.c (df_set_blocks): Ditto.
9585 * df.h (struct df_problem): Added reset_fun.
9586 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9587 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9588 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9589 functions to clear out all references to def-use or use-def chains.
9591 2006-01-21 Ben Elliston <bje@au.ibm.com>
9593 * varasm.c (assemble_real): Initialise data array.
9595 2006-01-20 Paul Brook <paul@codesourcery.com>
9597 Merge from csl-arm-branch.
9598 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9599 * config/arm/arm.md (movdi): Force operands[1] to a register
9600 if we have a non-register source.
9601 (*arm_movdi, *movdf_soft_insn): Require that one of the
9602 operands be a register.
9603 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9604 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9606 2006-01-20 DJ Delorie <dj@redhat.com>
9608 * varasm.c (initialize_constant_valid_p): Allow pointers
9609 initialized from integer constants of lesser precision.
9610 (output_constant): Allow non-int-sized pointer modes to be
9611 initialized from integer constants.
9613 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9616 * cppdefault.h (struct default_include): Add multilib flag.
9617 * cppdefault.c (cpp_include_defaults): Set it.
9618 * c.opt (-imultilib): New option.
9619 * c-opts.c (imultilib): New.
9620 (c_common_handle_option): Handle -imultilib.
9621 (c_common_post_options): Likewise.
9622 * c-incpath.c (add_standard_paths, register_include_chains):
9624 * c-incpath.h (register_include_chains): Add extra parameter.
9625 * gcc.c (do_spec_1): Generate -imultilib option.
9626 (The Specs Language): Update %I description.
9627 (process_command): Update copyright notice.
9628 * doc/cppopts.texi (-imultilib): Document.
9629 * doc/invoke.texi (-imultilib): Include in option summary.
9630 (%I): Update specs documentation.
9632 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9634 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9636 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9638 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9641 2006-01-20 Richard Guenther <rguenther@suse.de>
9642 Steven Bosscher <stevenb.gcc@gmail.com>
9644 PR rtl-optimization/24626
9645 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9646 EDGE_TRUE_VALUE if in RTL mode.
9649 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9650 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9652 2006-01-20 Dirk Mueller <dmueller@suse.com>
9655 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9656 instead of a special NOP marker.
9657 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9658 NOP marker handling.
9659 * c-common.h (empty_body_warning): Add forward declaration.
9660 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9661 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9663 2006-01-20 Paul Brook <paul@codesourcery.com>
9665 * Makefile.in (lang_checks): Keep going if mkdir fails.
9667 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9669 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9670 be able to clean out basic block when not necessary.
9671 (df_scan_free): Fixed to properly delete information if df is
9672 unused before calling df_finish.
9673 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9674 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9676 (df_bb_refs_delete): New function.
9677 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9678 * df-core.c (df_set_blocks): Added code to properly clean out
9679 unused blocks if they are not part of the blocks to consider.
9680 Added additional null check.
9681 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9682 be able to clean out basic block when not necessary
9683 * df.h (df_free_bb_function): Ditto.
9684 (df_bb_refs_delete): New function.
9685 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9686 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9687 basic block parameter to be able to clean out basic block when not
9689 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9690 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9691 Fixed to properly delete information if df is unused before
9694 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9696 PR rtl-optimization/25799
9697 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9698 Corrected confluence operator to remove bits from op2 before oring
9699 with op1 rather than removing bits from op1.
9700 (df_ru_transfer_function): Corrected test on wrong bitmap which
9701 caused infinite loop. Both of these problems were introduced in
9702 the dataflow rewrite.
9704 2006-01-19 DJ Delorie <dj@redhat.com>
9706 * reload1.c (find_reload_regs): Note the details of reload
9707 failures in the dump file.
9708 (spill_failure): Likewise.
9710 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9712 * loop-iv.c: Include df.h and hashtab.h.
9713 (enum iv_grd_result): New enum.
9714 (DF_REF_IV, DF_REF_IV_SET): New macros.
9715 (struct biv_entry): New.
9716 (df, bivs): New global variables.
9717 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9718 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9720 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9721 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9722 analyzed_for_bivness_p, record_biv): New functions.
9723 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9724 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9725 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9727 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9729 (iv_number_of_iterations): Use new interface to iv analysis.
9730 * loop-unroll.c: Do not include varray.h.
9731 (analyze_iv_to_split_insn): Use new interface to iv
9733 * loop-unswitch.c (may_unswitch_on): Ditto.
9734 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9736 (df_bb_modify): Realloc tables to the new index.
9737 (df_find_use): New function.
9738 * df.h (df_find_use): Declare.
9739 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9741 * cfgloop.h (struct rtx_iv): Remove analysed field.
9742 (iv_get_reaching_def): Removed.
9743 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9744 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9745 (loop-iv.o): Add df.h and hashtab.h dependency.
9746 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9748 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9751 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9753 (__floatundisf, __floatundidf): Likewise.
9754 * libgcc2.h (IS_IBM_EXTENDED): Define.
9756 2006-01-19 DJ Delorie <dj@redhat.com>
9758 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9760 2006-01-19 Paul Brook <paul@codesourcery.com>
9762 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9763 as nothrow when unwinding tables are disabled.
9765 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9768 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9769 of bit-field" when in system header.
9771 2006-01-19 DJ Delorie <dj@redhat.com>
9773 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9774 the 16 bit shift limit of the m16c.
9776 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9779 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9780 * config/i386/i386.c (output_set_got): Output the label if we have one
9781 for the TARGET_DEEP_BRANCH_PREDICTION case.
9783 2006-01-19 Jan Hubicka <jh@suse.cz>
9784 H.J. Lu <hongjiu.lu@intel.com>
9785 Evandro Menezes <evandro.menezes@amd.com>
9787 * invoke.texi (generic): Document
9789 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9790 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9791 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9792 (x86_use_incdec, x86_pad_returns): New variables
9793 (TARGET_CPU_DEFAULT_generic): New constant
9794 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9795 (enum processor_type): Add generic32 and generic64.
9796 * i386.md (cpu attribute): Add generic32/generic64
9797 (movhi splitter): Behave sanely when both partial_reg_dependency and
9798 partial_reg_stall are set.
9799 (K8 splitters): Enable for generic as well.
9800 * predicates.md (incdec_operand): Use TARGET_INCDEC
9801 (aligned_operand): Avoid memory mismatch stalls.
9802 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9803 * ppro.md: Enable for generic32
9804 * i386.c (generic64_cost, generic32_cost): New.
9805 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9806 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9807 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9808 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9809 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9810 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9811 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9812 x86_accumulate_outgoing_args, x86_prologue_using_move,
9813 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9814 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9816 (x86_use_incdec, x86_pad_returns): New.
9817 (override_options): Add generic32 and generic64, translate "generic"
9818 to generic32/generic64 and "i686" to "generic32", refuse
9819 "generic32"/"generic64" as arch target.
9820 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9821 (ix86_reorg): Honor PAD_RETURNS.
9823 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9825 * tree-pretty-print.c (dump_generic_node): Handle
9826 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9827 * cgraph.c (cgraph_expand_queue): Rename from
9828 cgraph_analyze_queue. Update all users.
9829 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9830 cgraph_expand_queue.
9831 (cgraph_expand_all_functions): Likewise.
9832 (cgraph_finalize_pending_functions): Remove. Update callers.
9834 * tree.h (OMP_DIRECTIVE_P): Define.
9835 (OMP_PARALLEL_FN): Define.
9836 (OMP_PARALLEL_DATA_ARG): Define.
9837 (OMP_SECTIONS_SECTIONS): Define.
9838 * tree-pass.h (pass_expand_omp): Declare.
9839 * omp-low.c (struct omp_region): Declare.
9840 (struct omp_context): Remove fields 'parallel_type',
9841 'parallel_start_ix' and 'parallel_start_additional_args'.
9843 (struct omp_for_data): Rename from struct expand_omp_for_data.
9844 (omp_regions): New static variable.
9845 (root_omp_region): New static variable.
9846 (find_omp_clause): Make static.
9847 (is_in_combined_parallel_ctx): Remove.
9848 (is_combined_parallel): New.
9849 (extract_omp_for_data): Move earlier in the file.
9850 (workshare_safe_to_combine_p): New.
9851 (get_ws_args_for): New.
9852 (determine_parallel_type): Move earlier in the file.
9853 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9855 (omp_copy_decl): Likewise.
9856 (create_omp_child_function): Likewise.
9857 (lookup_omp_region): New.
9858 (dump_omp_region): New.
9859 (debug_omp_region): New.
9860 (debug_all_omp_regions): New.
9861 (new_omp_region): New.
9862 (scan_omp_parallel): If parallel_nesting_level > 1, the
9863 directive is nested within another parallel directive.
9864 Set OMP_PARALLEL_FN.
9865 (scan_omp_for): Do not try to handle combined parallel+for
9867 Remove FIXME comment.
9868 (scan_omp_nested): Remove.
9869 (scan_omp_1): Do not call scan_omp_nested when
9870 parallel_nesting_level is > 1.
9871 Do not change the DECL_CONTEXT of local variables found.
9872 (lookup_decl_in_outer_ctx): New.
9873 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9874 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9875 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9876 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9877 If CTX is nested, lookup VAR in the outer context when
9878 building copy assignment.
9879 (lower_send_clauses): Rename from expand_send_clauses.
9880 If CTX is nested, lookup VAR in the outer context when
9881 building copy assignments.
9882 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9883 If CTX is nested, lookup VAR in the outer context when
9884 building copy assignments.
9885 (expand_parallel_call): Rename from build_parallel_call.
9886 Handle combined parallel+workshare cases.
9887 Re-implement to emit code into the CFG.
9889 (expand_omp_parallel): Re-implement to emit code into the CFG.
9890 Call move_sese_region_to_fn to outline the sub-graph
9891 containing the parallel region.
9892 (expand_omp_for_1): Remove.
9893 (expand_omp_for_generic): Re-implement to emit code into the
9895 (expand_omp_for_static_nochunk): Likewise.
9896 (expand_omp_for_static_chunk): Likewise.
9897 (expand_omp_for): Likewise.
9898 (expand_omp_sections): Likewise.
9899 (remove_exit_barriers): New.
9900 (expand_omp_synch): New.
9902 (build_omp_regions_1): New.
9903 (build_omp_regions): New.
9904 (execute_expand_omp): New.
9905 (gate_expand_omp): New.
9906 (pass_expand_omp): Define.
9907 (lower_omp_sections): Rename from expand_omp_sections.
9908 Set OMP_SECTIONS_SECTIONS.
9909 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9910 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9911 (lower_omp_single): Rename from expand_omp_simple.
9912 (lower_omp_master): Rename from expand_omp_master.
9913 (lower_omp_ordered): Rename from expand_omp_ordered.
9914 (lower_omp_critical): Rename from expand_omp_critical.
9915 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9916 (lower_omp_for): Re-implement.
9917 (lower_omp_parallel): Re-implement.
9918 (lower_regimplify): Rename from expand_regimplify.
9919 (lower_omp_1): Rename from expand_omp_1.
9920 If there are syntax errors in the program, replace every
9921 OpenMP directive with NOP.
9922 Call lower_omp_* instead of expand_omp_*.
9923 (lower_omp): Rename from expand_omp.
9925 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9926 * tree-gimple.h (enum omp_parallel_type): Remove.
9927 (gimple_boolify): Declare extern.
9928 (find_omp_clause, determine_parallel_type): Remove.
9930 * gimple-low.c (lower_omp_directive): New.
9931 (lower_stmt): Call it.
9932 (record_vars_into): Move from ...
9933 (record_vars): ... here.
9934 Call record_vars_into with current_function_decl.
9936 * gimplify.c (struct gimplify_ctx): Remove fields
9937 combined_pre_p and combined_ctxp. Update users.
9938 (get_formal_tmp_var): Add documentation.
9939 (gimple_boolify): Make extern.
9940 (gimplify_expr_in_ctx): Remove. Update callers.
9941 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9942 will always be a BIND_EXPR.
9943 (gimplify_expr): Handle OMP_RETURN_EXPR.
9944 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9945 (OMP_PARALLEL): Add 3 operands.
9946 (OMP_SECTIONS): Add 1 operand.
9947 (OMP_RETURN_EXPR): Define.
9949 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9950 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9951 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9952 creating a circular free list.
9953 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9955 * tree-flow.h (move_sese_region_to_fn): Declare.
9956 (record_vars_into): Declare.
9957 * tree-cfg.c (make_omp_sections_edges): New.
9958 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9959 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9960 OMP_SECTIONS and OMP_SECTION.
9961 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9962 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9963 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9964 (gather_blocks_in_sese_region): New.
9965 (struct move_stmt_d): Declare.
9967 (move_block_to_fn): New.
9968 (move_sese_region_to_fn): New.
9970 * passes.c (init_optimization_passes): Schedule
9971 pass_expand_omp after pass_init_datastructures.
9973 * tree-ssa-operands.c (get_expr_operands): Handle
9974 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9975 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9977 2006-01-19 Jeff Law <law@redhat.com>
9979 * tree-vrp.c (extract_range_from_assert): Refine the result range
9980 if the variable referenced by the ASSERT_EXPR has a range and
9981 either the tentative result range or the previous range is a
9984 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9986 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9988 2006-01-19 Jan Hubicka <jh@suse.cz>
9990 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9992 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9994 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9995 (expand_compound_operation, expand_field_assignment): Fail if the
9996 bit lengths of an extract operation are out of range.
9997 (make_extraction): Compute wanted_inner_mode based on the position
9998 and length of the extraction. Make it extraction_mode for non-constant
9999 positions, and do not modify offset in that case. When generating a
10000 new MEM, use a mode that can hold the extraction while keeping correct
10001 alignment. Remove code that supported MEMs wrapped by USEs.
10002 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10004 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10006 * config/s390/s390.md ("Y", "y"): New mode attribute.
10007 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10008 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10009 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10010 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10011 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10012 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10013 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10014 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10015 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10016 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10017 "addsi3", "subsi3"): Insn patterns removed.
10018 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10019 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10020 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10021 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10022 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10023 "*sub<mode>3_cconly2"): New insn patterns.
10024 ("addsi3", "subsi3"): New expanders.
10026 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10028 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10029 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10030 existing STMT_VINFO_VECTYPE if available.
10031 (vect_mark_relevant): Add special handling for stmts that are
10032 marked as STMT_VINFO_IN_PATTERN_P.
10033 (vect_analyze_loop): Call vect_pattern_recog.
10034 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10035 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10037 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10038 (vect_recog_func_ptr): New function-pointer type.
10039 * tree-vect-patterns.c: New file.
10040 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10041 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10042 (vect_pattern_recog_1): New functions.
10043 (vect_pattern_recog_funcs): New array of function pointers.
10045 * tree-vectorizer.h (ternary_op): New enum value.
10046 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10047 declaration. Revised documentation. Removed redundant dump prints.
10048 Removed redundant argument. Added support for reduction patterns.
10049 (vectorizable_reduction): Added support for reduction patterns.
10050 (vect_transform_stmt): Added support for patterns.
10052 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10053 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10054 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10055 (expand_widen_pattern_expr): New function.
10056 (init_optabs): Initialize new optabs udot_prod_optab,
10058 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10059 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10060 (expand_widen_pattern_expr): New function declaration.
10061 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10063 * tree-inline.c (estimate_num_insns_1): Added cases for new
10064 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10065 * tree-pretty-print.c (dump_generic_node): Likewise.
10066 (op_prio): Likewise.
10067 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10068 * tree-ssa-operands.c (get_expr_operands): Added case for
10070 * tree-vect-patterns.c (widened_name_p): New function.
10071 (vect_recog_dot_prod_pattern): Added function implementation.
10072 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10073 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10074 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10075 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10077 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10078 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10079 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10080 (init_optabs): Initialize new optabs widen_ssum_optab,
10082 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10083 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10084 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10085 use instead of type of def.
10086 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10087 function implementation.
10088 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10089 widen_ssumv8hi): New.
10091 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10094 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10097 * c-decl.c (add_flexible_array_elts_to_size): New function.
10098 (finish_decl): Use it.
10100 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10102 * diagnostic.h: Include options.h.
10103 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10104 dependancies for diagnostic.h.
10105 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10107 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10109 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10110 (ssa_ro_call_cache_valid): Ditto.
10111 * tree-ssa-alias.c (sort_tags_by_id): New function.
10112 (init_transitive_clobber_worklist): Ditto.
10113 (add_to_worklist): Ditto.
10114 (mark_aliases_call_clobbered): Ditto.
10115 (compute_tag_properties): Ditto.
10116 (set_initial_properties): Ditto.
10117 (compute_call_clobbered): Ditto.
10118 (compute_may_aliases): Call compute_call_clobbered and grouping.
10119 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10120 (compute_flow_insensitive_aliasing): Grouping now happens in our
10122 (setup_pointers_and_addressables): Remove clobbering related code.
10123 (add_may_alias): Ditto.
10124 (replace_may_alias): Ditto.
10125 (get_nmt_for): Ditto.
10126 (create_global_var):
10127 (is_escape_site): Return an escape_type enumeration.
10128 * tree-flow-inline.h (is_call_clobbered): Global var does not
10129 imply call clobbered.
10130 (mark_call_clobbered): Take a reason for marking this. Remove
10131 marking of globalness, and cache invalidation.
10132 (clear_call_clobbered): Remove cache invalidation code.
10133 * tree-dfa.c (dump_variable): If details is on, dump the reason
10135 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10137 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10138 (struct var_ann_d): Ditto.
10139 (enum escape_type): New.
10140 (mark_call_clobbered): Adjust prototype.
10141 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10142 are never call clobbered.
10143 Record reasons for escaping.
10144 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10145 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10146 (ssa_ro_call_cache_valid): Ditto.
10147 (clobbered_v_may_defs): Ditto.
10148 (clobbered_vuses): Ditto.
10149 (ro_call_vuses): Ditto.
10150 (clobber_stats): New.
10151 (init_ssa_operands): Zero out clobber stats.
10152 (fini_ssa_operands): Print out clobber stats.
10153 (get_call_expr_operands): Pass callee fndecl to
10154 add_call_read_ops).
10155 (add_call_clobber_ops): Remove use of cache.
10156 Add use of PURE_CONST information.
10157 (add_call_read_ops): Remove use of cache.
10158 Add use of static not_read information.
10160 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10162 Introduce TLS descriptors for i386 and x86_64.
10163 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10164 (TARGET_ANY_GNU_TLS): New macro.
10165 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10166 (struct machine_function): Add tls_descriptor_call_expanded_p.
10167 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10168 (ix86_current_function_calls_tls_descriptor): Likewise.
10169 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10170 (override_options): Introduce gnu2 tls dialect.
10171 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10173 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10175 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10176 (ix86_init_machine_status): Initialize new field.
10177 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10178 (ix86_tls_module_base): New.
10179 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10180 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10181 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10182 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10183 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10184 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10185 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10186 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10187 * config/i386/predicates.md (tls_modbase_operand): New.
10188 (tp_or_register_operand): New.
10190 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10192 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10193 (look_for_address_of): Ditto.
10194 (ipa_init): Walk the function decls.
10195 (static_execute): Don't set readonly on FUNCTION_DECL's.
10197 2006-01-18 Roger Sayle <roger@eyesopen.com>
10199 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10200 for shifts where the source and destination registers are different.
10202 2006-01-18 Paul Brook <paul@codesourcery.com>
10204 Merge from csl-arm-branch.
10205 2005-03-14 Julian Brown <julian@codesourcery.com>
10206 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10207 (aeabi_llsl): Likewise.
10208 (ashrdi3): Likewise.
10209 (aeabi_lasr): Likewise.
10210 (lshrdi3): Likewise.
10211 (aeabi_llsr): Likewise.
10212 2005-03-10 Julian Brown <julian@codesourcery.com>
10213 * config.gcc: Disable shared libgcc for SymbianOS.
10214 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10216 2006-01-18 DJ Delorie <dj@redhat.com>
10218 * c-pragma.c (handle_pragma_diagnostic): New.
10219 (init_pragma): Register it.
10220 * doc/extend.texi: Document it.
10222 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10223 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10224 (diagnostic_context): Add classify_diagnostic[].
10225 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10226 as errors if they're overridden to DK_WARNING.
10227 (diagnostic_initialize): Initialize classify_diagnostic[].
10228 (diagnostic_set_kind_override): New.
10229 (diagnostic_report_diagnostic): Check for kind changes.
10230 * opts.c (common_handle_option): Take lang_mask. Update callers.
10231 Handle OPT_Werror_.
10232 * common.opt (Werror=): New.
10233 * doc/invoke.texi: Document -Werror=*
10235 2006-01-18 Jeff Law <law@redhat.com>
10237 * tree-vrp.c (test_for_singularity): Correct test for new
10238 min limit. Use operand_equal_p rather than pointer equality
10239 for testing if new min/max values are equal.
10241 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10242 using range information until after propagation and folding.
10244 2006-01-18 Richard Henderson <rth@redhat.com>
10245 Aldy Hernandez <aldyh@redhat.com>
10246 Jakub Jelinek <jakub@redhat.com>
10247 Diego Novillo <dnovillo@redhat.com>
10249 * omp-low.c: New file.
10250 * c-omp.c: New file.
10252 2006-01-18 Richard Henderson <rth@redhat.com>
10253 Jakub Jelinek <jakub@redhat.com>
10254 Diego Novillo <dnovillo@redhat.com>
10256 * doc/invoke.texi: Document -fopenmp.
10257 * tree-dump.h (debug_function): Declare.
10258 * hooks.c (hook_bool_tree_bool_false): New function.
10259 (hook_tree_tree_null): Remove.
10260 (hook_tree_tree_tree_null): New.
10261 * hooks.h: Update to match.
10262 * tree-pretty-print.c (debug_tree_chain): New.
10263 (print_generic_expr): Handle TDF_CHAIN.
10264 (dump_generic_node): Handle BLOCK.
10265 Do not abort with incomplete SWITCH_EXPRs.
10266 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10267 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10268 print space after directive name.
10269 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10270 Handle OMP_MASTER and OMP_ORDERED.
10271 Handle printing of OMP_BODY just in one place, goto
10272 dump_omp_body in the rest of OMP_* nodes that have
10274 Don't handle clause nodes here. Update omp statements to
10275 use dump_omp_clauses.
10276 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10277 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10278 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10279 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10280 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10281 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10282 Adjust output for GOMP_PARALLEL.
10283 (dump_omp_clauses): New.
10284 (print_declaration): Dump DECL_VALUE_EXPR.
10285 (op_symbol_1): Split out of op_symbol.
10286 (dumping_stmts): Remove. Update all users.
10287 * cgraph.c (cgraph_analyze_queue): New.
10288 (cgraph_add_new_function): New.
10289 * cgraph.h (cgraph_analyze_queue): Declare.
10290 (cgraph_add_new_function): Declare.
10291 (cgraph_lower_function): Remove.
10292 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10293 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10294 and TYPE_P nodes in its default clause.
10295 (empty_body_p): New.
10296 (tree_range_check_failed): New.
10297 (build5_stat): New.
10298 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10299 OMP_CLAUSE_REDUCTION_MERGE,
10300 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10301 OMP_CLAUSE_PRIVATE_DEBUG,
10302 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10303 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10304 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10305 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10306 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10307 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10308 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10309 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10310 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10311 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10312 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10313 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10314 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10315 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10316 (TREE_RANGE_CHECK): New.
10317 (empty_body_p): Declare.
10318 (enum omp_clause_default_kind): New.
10319 (build_string_literal): Declare.
10320 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10321 (build5_stat, build5): Declare.
10322 * tree-pass.h (TDF_CHAIN): Define.
10323 * tree-pass.h (PROP_gimple_lomp): Define.
10324 (pass_lower_omp): Declare.
10325 * diagnostic.h (debug_tree_chain): Declare.
10326 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10328 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10329 * builtins.c (build_string_literal): Make extern.
10330 * gcc.c (include_spec_function): New.
10331 (static_spec_functions): Add it.
10332 (main): Move load of libgomp.spec ...
10333 (LINK_COMMAND_SPEC): ... here.
10334 (link_gomp_spec): New.
10335 (static_specs): Include it.
10336 (LINK_COMMAND_SPEC): Add link_gomp.
10337 (GOMP_SELF_SPECS): New.
10338 (driver_self_specs): Include it.
10339 (switch_matches): Don't mark inline.
10340 (main): Load libgomp.spec.
10341 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10342 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10343 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10344 * tree-gimple.h (enum omp_parallel): Declare.
10345 (determine_parallel_type): Declare.
10346 (omp_firstprivatize_variable): Declare.
10347 (omp_reduction_init): Declare.
10348 (diagnose_omp_structured_block_errors): Declare.
10349 (struct walk_stmt_info): Add want_return_expr.
10350 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10351 (find_omp_clause): Declare.
10352 (insert_field_into_struct): Declare.
10353 (struct walk_stmt_info): Move from tree-nested.c
10354 (walk_stmts): Declare.
10355 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10357 * cgraphunit.c (cgraph_lower_function): Make static.
10358 (cgraph_finalize_pending_functions): New.
10359 (cgraph_finalize_function): Call it.
10360 (cgraph_finalize_compilation_unit): Likewise.
10361 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10362 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10363 (BT_FN_UINT_UINT): New.
10364 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10365 DEF_FUNCTION_TYPE_VAR_4): Document.
10366 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10367 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10368 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10369 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10370 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10371 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10372 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10373 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10374 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10375 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10376 into separate files.
10377 (DEF_GOMP_BUILTIN): New.
10378 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10379 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10380 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10381 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10382 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10383 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10384 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10385 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10386 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10387 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10388 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10389 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10390 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10391 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10392 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10393 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10394 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10395 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10396 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10397 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10398 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10399 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10400 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10401 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10402 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10403 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10404 * sync-builtins.def: New file, moved from builtins.def.
10405 * omp-builtins.def: New file, moved from builtins.def.
10406 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10407 * gimple-low.c (lower_function_body): Clear data.
10408 (lower_stmt): Do not handle COMPOUND_EXPR.
10409 Remove call to print_node_brief.
10410 * c-tree.h (c_finish_omp_clauses): New prototype.
10411 (C_DECL_THREADPRIVATE_P): Define.
10412 (lookup_name_no_remap, c_omp_remap_private): Remove
10413 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10414 (check_for_loop_decls): Update decl.
10415 (lookup_name_no_remap, c_omp_remap_private): Declare.
10416 (build_indirect_ref, build_modify_expr, pushdecl,
10417 pushdecl_top_level): Move to c-common.h.
10418 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10419 before the switch, but just in the 2 places that need it.
10420 * c-decl.c (diagnose_mismatched_decls): Do not check for
10421 mismatched thread-local attributes when OLDDECL is marked
10422 threadprivate and NEWDECL has no thread-local attributes.
10423 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10424 (c_gimple_diagnostics_recursively): Rename from
10425 c_warn_unused_result_recursively. Invoke
10426 diagnose_omp_structured_block_errors.
10427 (check_for_loop_decls): Return a singular decl found.
10428 * langhooks.c (lhd_omp_predetermined_sharing): Return
10429 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10430 (lhd_omp_firstprivatize_type_sizes): New.
10431 (lhd_omp_assignment): New.
10432 (lhd_omp_predetermined_sharing): New.
10433 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10434 (struct lang_hooks_for_types): Add
10435 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10436 omp_predetermined_sharing, omp_disregard_value_expr,
10437 omp_private_debug_clause, omp_clause_default_ctor,
10438 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10439 (c_finish_omp_clauses): New.
10440 (c_finish_bc_stmt): Diagnose break within omp for.
10441 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10442 (build_unary_op): Return error_mark after reporting
10444 (build_modify_expr): Likewise.
10445 * gimplify.c: Include optabs.h and pointer-set.h.
10446 (enum gimplify_omp_var_data): Declare.
10447 (struct gimplify_omp_ctx): Declare.
10448 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10450 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10451 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10452 (splay_tree_compare_decl_uid): New.
10453 (new_omp_context): New.
10454 (delete_omp_context): New.
10455 (gimple_add_tmp_var): Call omp_add_variable.
10456 (gimplify_bind_expr): Likewise.
10457 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10458 true, disregard DECL_VALUE_EXPR on the decl if any.
10459 (gimplify_expr_in_ctx): New.
10460 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10461 omp_add_variable, omp_notice_variable, omp_is_private
10462 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10463 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10464 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10465 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10466 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10467 gimplify_omp_atomic): New.
10468 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10469 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10470 OMP_CRITICAL and OMP_ATOMIC.
10471 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10472 * c-pragma.h (enum pragma_kind): Add
10473 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10474 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10475 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10476 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10477 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10478 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10479 PRAGMA_OMP_THREADPRIVATE.
10480 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10481 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10482 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10483 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10484 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10485 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10486 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10487 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10488 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10489 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10490 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10491 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10492 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10494 (struct nesting_info): Add field_map,
10495 suppress_expansion, debug_var_chain.
10496 (create_nesting_tree): Initialize them.
10497 (lookup_field_for_decl): Use field_map.
10498 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10499 (convert_local_omp_clauses): New.
10500 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10501 (walk_body): Split out of walk_function.
10502 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10503 (convert_nonlocal_reference): Handle omp statements.
10504 (convert_local_reference): Likewise.
10505 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10506 (unnest_nesting_tree): New.
10507 (lower_nested_functions): Call it.
10508 (insert_field_into_struct): Make extern.
10509 (struct walk_stmt_info): Move to tree-gimple.h.
10510 (walk_stmts): Make extern.
10511 * omp-builtins.def: New file.
10512 * tree-iterator.c (expr_only): Clarify comment.
10513 * c-common.h (pushdecl_top_level, pushdecl,
10514 build_modify_expr, build_indirect_ref,
10515 c_finish_omp_master, c_finish_omp_critical,
10516 c_finish_omp_ordered, c_finish_omp_barrier,
10517 c_finish_omp_atomic, c_finish_omp_flush,
10518 c_finish_omp_for, c_split_parallel_clauses,
10519 omp_clause_default_kind, c_omp_sharing_predetermined,
10520 c_omp_remap_decl): Declare.
10521 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10522 (OBJS-common): Add omp-low.o.
10523 (c-omp.o, omp-low.o): Add.
10524 (gimplify.o): Add dependency on $(OPTABS_H).
10525 (GTFILES): Add omp-low.c.
10526 (gt-stringpool.h): Add.
10527 * tree-cfg.c (set_bb_for_stmt): Do not update the
10528 block-to-labels map if we are currently expanding to RTL.
10529 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10531 Handle IDENTIFIER_NODE.
10532 (tree_verify_flow_info): Do not ICE when emitting error
10533 messages about invalid labels.
10534 (dump_function_to_file): Reset CFUN before emitting the body
10536 (debug_function): New.
10537 * passes.c (init_optimization_passes): Schedule
10539 * langhooks-def.h (lhd_omp_predetermined_sharing,
10540 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10542 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10543 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10544 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10545 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10546 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10547 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10548 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10549 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10550 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10551 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10552 (LANG_HOOK_DECLS): Use them.
10554 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10555 Richard Henderson <rth@redhat.com>
10556 Jakub Jelinek <jakub@redhat.com>
10557 Diego Novillo <dnovillo@redhat.com>
10559 * c-parser.c (pragma_omp_clause): Define.
10560 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10561 (c_parser_compound_statement): Likewise.
10562 (c_parser_statement): Likewise.
10563 (c_parser_pragma): Handle omp pragmas.
10564 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10565 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10566 (c_parser_omp_clause_name, check_no_duplicate_clause,
10567 c_parser_omp_variable_list,
10568 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10569 c_parser_omp_clause_copyprivate,
10570 c_parser_omp_clause_default,
10571 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10572 c_parser_omp_clause_lastprivate,
10573 c_parser_omp_clause_nowait,
10574 c_parser_omp_clause_num_threads,
10575 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10576 c_parser_omp_clause_reduction,
10577 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10578 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10579 c_parser_omp_atomic, c_parser_omp_barrier,
10580 c_parser_omp_critical, c_parser_omp_flush,
10581 c_parser_omp_for_loop, c_parser_omp_for,
10582 c_parser_omp_master, c_parser_omp_ordered,
10583 c_parser_omp_sections_scope, c_parser_omp_sections,
10584 c_parser_omp_parallel, c_parser_omp_single,
10585 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10586 * c-pragma.c (init_pragma): Do omp pragma registration here.
10587 * c.opt (fopenmp): New flag.
10589 2006-01-18 Eric Christopher <echristo@apple.com>
10591 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10592 * config/darwin.h (GOMP_SELF_SPECS): Define.
10594 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10596 * rtl.h: Remove the prototype for reg_alloc.
10598 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10601 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10602 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10603 sjlj and dwarf2 exception handling.
10604 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10605 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10606 * pa/pa.c (function_value): Treat complex and vector types as
10608 (function_arg): Likewise. Only pass scalar floats in the floating
10609 point argument registers.
10610 * pa/t-slibgcc-dwarf-ver: New file.
10611 * pa/t-slibgcc-sjlj-ver: New file.
10612 * pa/t-slibgcc-elf-ver: Delete file.
10614 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10616 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10617 unlikely_test_section_p test.
10619 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10621 * mode-switching.c (optimize_mode_switching): Make it static.
10622 * basic-block.h: Remove the prototype for
10623 optimize_mode_switching.
10625 * modulo-sched.c (sms_schedule): Make it static.
10626 * rtl.h: Remove the prototype for sms_schedule.
10628 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10629 * rtl.h: Remove the prototype for gcse_after_reload_main.
10631 * reg-stack.c (reg_to_stack): Make it static.
10632 * rtl.h: Remove the prototype for reg_to_stack.
10634 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10636 * rtl.h: Remove the prototypes for regrename_optimize and
10637 copyprop_hardreg_forward.
10639 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10641 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10642 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10643 Test against the appropriate null constant for the mode.
10644 If 'fixup_overlap' is true, swap the operands if they overlap.
10645 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10646 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10647 alpha_split_tmode_pair and adjust for above change.
10648 * config/alpha/alpha.md (movtf_internal): Adjust call to
10649 alpha_split_tfmode_pair and rely on it to swap the operands.
10650 (movti_internal): New insn and post-reload splitter.
10651 (movti): New expander.
10653 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10655 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10658 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10660 * rtlanal.c (global_reg_mentioned_p_1,
10661 global_reg_mentioned_p): Remove.
10662 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10664 * flow.c (initialize_uninitialized_subregs): Make it static.
10665 * rtl.h: Remove the prototype for
10666 initialize_uninitialized_subregs.
10668 * function.c (instantiate_virtual_regs): Make it static.
10669 * function.h: Remove the prototype for
10670 instantiate_virtual_regs.
10672 * regmove.c (regmove_optimize, combine_stack_adjustments):
10674 * rtl.h: Remove the prototypes for regmove_optimize and
10675 combine_stack_adjustments.
10677 2006-01-17 Roger Sayle <roger@eyesopen.com>
10679 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10680 (size_cost): Encode costs in bytes so that a reg-reg addition is
10681 equivalent to COSTS_N_INSNS(1).
10682 (override_options): Use the size_cost.branch_cost as the default
10683 ix86_branch_cost when optimizing for size.
10685 2006-01-18 Ben Elliston <bje@au.ibm.com>
10687 * Makefile.in (D32PBIT_FUNCS): New.
10688 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10689 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10690 D64PBIT_FUNCS and D128PBIT_FUNCS.
10691 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10692 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10694 (decnumber_dep): Define.
10695 * doc/libgcc.texi (Decimal float library routines): New node.
10696 * config/dfp-bit.h, config/dfp-bit.c: New files.
10698 2006-01-18 Ben Elliston <bje@au.ibm.com>
10700 * expr.c (emit_move_change_mode): Always adjust addresses, not
10701 just during reload. Copy replacements only during reload.
10702 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10703 emit_move_via_integer.
10705 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10707 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10708 instead of $(srcdir) and ${srcdir}.
10710 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10713 PR middle-end/11135
10714 * arm.h (struct machine_function): Add pic_reg.
10715 * arm.c (arm_pic_register): Make unsigned.
10716 (arm_override_options): Only set arm_pic_register if
10717 TARGET_SINGLE_PIC_BASE.
10718 (use_return_insn): Only test for a pic register if it is fixed.
10719 (arm_compute_save_reg0_reg12_mask): Likewise.
10720 (thumb_compute_save_reg_mask): Likewise.
10721 (legitimate_pic_operand): Factor out some known invariants.
10722 (legitimize_pic_address): If we don't have a fixed pic register,
10723 then set up a pseudo in the function entry sequence. Handle the
10724 pic base being in a pseudo.
10725 (arm_load_pic_register): Handle the pic register being in a pseudo.
10726 (arm_expand_prologue): Only set up the pic register if it is fixed.
10727 (thumb_expand_prologue): Likewise.
10728 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10729 (pic_load_addr_based_insn): Likewise.
10730 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10733 2006-01-18 Ben Elliston <bje@au.ibm.com>
10735 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10736 decimal float modes for all floating point registers.
10738 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10739 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10741 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10744 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10745 even when the pointer is not NULL.
10747 2006-01-16 Ian Lance Taylor <ian@airs.com>
10749 * common.opt (ftoplevel-reorder): New option.
10750 * cgraph.c (cgraph_asm_nodes): New global variable.
10751 (cgraph_asm_last_node): New static variable.
10752 (cgraph_order): New global variable.
10753 (cgraph_create_node): Set new order field.
10754 (cgraph_varpool_node): Likewise.
10755 (decide_is_variable_needed): Return true if not
10756 flag_toplevel_reorder.
10757 (cgraph_add_asm_node): New function.
10758 * cgraph.h (struct cgraph_node): Add order field.
10759 (struct cgraph_varpool_node): Add order field.
10760 (struct cgraph_asm_node): Define.
10761 (cgraph_asm_nodes, cgraph_order): Declare.
10762 (cgraph_add_asm_node): Declare.
10763 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10765 (cgraph_varpool_assemble_pending_decls): Call it.
10766 (cgraph_output_pending_asms): New static function.
10767 (cgraph_finalize_compilation_unit): Call it.
10768 (struct cgraph_order_sort): Define.
10769 (cgraph_output_in_order): New static function.
10770 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10771 !flag_toplevel_reorder case.
10772 * c-parser.c: Include "cgraph.h".
10773 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10775 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10776 than -fno-unit-at-a-time.
10777 * doc/invoke.texi (Option Summary): Mention
10778 -fno-toplevel-reorder.
10779 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10780 -funit-at-a-time documentation.
10782 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10783 Kazu Hirata <kazu@codesourcery.com>
10785 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10787 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10789 * Makefile.in (FUNCTION_H): New. Use it instead of
10790 function.h throughout the file.
10791 * function.h: Include tree.h.
10793 2006-01-17 Ben Elliston <bje@au.ibm.com>
10795 * recog.c: Separate some functions with whitespace.
10797 2006-01-16 Richard Henderson <rth@redhat.com>
10799 Merge from gomp branch:
10800 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10801 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10802 and rename from struct inline_data. Rename callee* to dst*;
10803 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10804 transform_new_cfg, transform_return_to_modify, and
10805 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10807 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10808 (copy_decl_for_dup): Remove.
10809 * tree-inline.c (struct inline_data): Move to header.
10810 (insert_decl_map): Export.
10811 (remap_decl): Update for member name changes. Use copy_decl hook.
10812 Allow for replacement to be a non-decl. Remove dead code.
10813 (remap_type_1): Check for existing mapping.
10814 (remap_type): Export.
10815 (remap_decls): Update for member name changes.
10816 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10817 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10818 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10819 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10820 (tree_function_versioning, build_duplicate_type): Likewise.
10821 (copy_body_r): Likewise. Export.
10822 (copy_decl_for_dup): Split into ...
10823 (copy_decl_for_dup_finish, copy_decl_to_var,
10824 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10825 (replace_ref_tree, inlining_p): Remove.
10827 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10829 * ifcvt.c (if_convert): Make it static.
10830 * rtl.h: Remove the prototype for if_convert.
10832 * local-alloc.c (local_alloc): Make it static.
10833 * rtl.h: Remove the prototype for local_alloc.
10835 * loop.c (loop_optimize): Make it static.
10836 * cfgloop.h: Remove the prototype for loop_optimize.
10839 2006-01-16 DJ Delorie <dj@redhat.com>
10841 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10844 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10846 * pa.md: Disparage copies between general and floating-point registers
10847 in 32-bit move patterns.
10849 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10852 * Makefile.in (check-%): Depend on site.exp instead of
10853 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10856 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10858 * global.c (global_alloc): Make it static.
10859 * rtl.h: Remove the prototype for global_alloc.
10861 2006-01-16 Richard Guenther <rguenther@suse.de>
10863 * tree-ssa-alias.c (struct used_part): Add write_only field.
10864 (get_or_create_used_part_for): Initialize it to true.
10865 (create_overlap_variables_for): Don't create structure variables
10866 for structures that only are written to.
10867 (find_used_portions): Handle MODIFY_EXPR to track whether a
10868 structure is only written to.
10870 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10872 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10874 * basic-block.h: Remove the prototype for
10875 partition_hot_cold_basic_blocks.
10877 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10879 * cppspec.c (lang_specific_spec_functions): Remove.
10880 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10881 * gcc.h (lang_specific_spec_functions): Remove.
10882 * gccspec.c (lang_specific_spec_functions): Remove.
10884 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10886 * combine.c (record_value_for_reg): Invalidate registers
10888 (record_dead_and_set_regs_1): Likewise, by passing them to
10889 record_value_for_reg.
10890 (record_dead_and_set_regs): Invalidate stores made by a
10891 call. We do not combine across a call, but we still
10892 relied on equivalences.
10894 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10896 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10897 vrp_int_const_binop returning non-constant nodes.
10899 2006-01-16 Paul Brook <paul@codesourcery.com>
10901 * config/m68k/m68k.c (output_move_const_into_data_reg):
10902 Output correct mnemonic for mvz and mvs.
10904 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10906 * rtl-factoring.c: Add sequence abstraction algorithm.
10907 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10908 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10910 (block_has_preserve_label): New function.
10911 * common.opt: Register new pass.
10912 * Makefile.in: Ditto.
10914 * timevar.def: Ditto.
10915 * tree-pass.h: Ditto.
10916 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10917 * rtl.h (make_jump_insn_raw): Add forward decl.
10918 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10920 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10921 Roger Sayle <roger@eyesopen.com>
10923 * fold-const.c (fold_minmax): New static function.
10924 (fold_binary) <MIN_EXPR>: Call it.
10925 <MAX_EXPR>: Likewise.
10926 * stor-layout.c (place_field): Use DECL_SIZE consistently
10927 in the computation of the new record size.
10929 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10931 * cse.c (cse_condition_code_reg): Make it static.
10932 * rtl.h: Remove the prototype for cse_condition_code_reg.
10934 * combine.c (combine_instructions): Make it static.
10935 * rtl.h: Remove the prototype for combine_instructions.
10937 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10940 * tree.c (get_file_function_name_long): Concatenate the first global
10941 object name with a string derived from the input filename of the object
10944 2006-01-16 Ben Elliston <bje@au.ibm.com>
10946 * config/i386/winnt-stubs.c: Update FSF address.
10947 * config/xtensa/ieee754-df.S: Ditto.
10948 * config/xtensa/ieee754-sf.S: Ditto.
10950 2006-01-14 Ian Lance Taylor <ian@airs.com>
10952 * ifcvt.c (noce_init_if_info): New static function, broken out of
10953 noce_process_if_block.
10954 (noce_process_if_block): Call noce_init_if_info.
10955 (check_cond_move_block): New static function.
10956 (cond_move_process_if_block): New static function.
10957 (process_if_block): Call cond_move_process_if_block.
10959 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10961 * cselib.c (hash_table): Rename to cselib_hash_table.
10962 (cselib_clear_table, discard_useless_values,
10963 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10964 cselib_init, cselib_finish): Adjust uses of hash_table.
10966 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10968 PR tree-optimization/25485
10969 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10970 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10971 is known to be false and true, respectively.
10973 2006-01-14 Richard Guenther <rguenther@suse.de>
10975 PR tree-optimization/22548
10976 PR tree-optimization/22555
10977 PR tree-optimization/22501
10978 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10979 * params.def (salias-max-array-elements): New parameter.
10980 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10981 * doc/invoke.texi (salias-max-array-elements): Document.
10982 * tree-flow-inline.h (var_can_have_subvars): We also handle
10984 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10986 * tree-ssa-structalias.c (params.h): Include.
10987 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10988 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10989 (get_constraint_for): For ADDR_EXPR operating on something
10990 containing an ARRAY_REF, add all subvars to the solution.
10991 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10992 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10993 for creating MUST_DEFs.
10994 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10996 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10998 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11000 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11001 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11002 number_of_iterations_le): New functions.
11003 (number_of_iterations_special): Removed.
11004 (number_of_iterations_exit): Do not use number_of_iterations_special.
11005 * tree.c (unsigned_type_for): Always return integer type.
11007 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11008 Richard Guenther <rguenther@suse.de>
11010 PR rtl-optimization/24257
11011 * gcse.c (find_moveable_store): Only consider a store movable
11012 when the SET_SRC of the insn can be assigned to a register.
11014 2006-01-14 Ian Lance Taylor <ian@airs.com>
11016 * tree.c (tree_not_class_check_failed): New function.
11017 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11018 (tree_not_class_check_failed): Declare.
11020 2006-01-13 Ian Lance Taylor <ian@airs.com>
11022 * reload1.c (do_output_reload): Add assertion rejecting a
11025 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11027 * combine.c (struct reg_stat): Add new fields truncation_label and
11029 (record_value_for_reg): Reset truncated_to_mode.
11030 (record_truncated_value): New function.
11031 (check_promoted_subreg): Call it. Rename to check_conversions.
11032 (combine_instructions): Rename check_promoted_subreg to
11034 (reg_truncated_to_mode): New function.
11035 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11036 (gen_lowpart_or_truncate): New function.
11037 (force_to_mode): Use it instead of gen_lowpart.
11039 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11041 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11042 VAR is a tag, not its type tag.
11044 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11046 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11047 alternatives to match style of other entries.
11048 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11050 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11052 PR tree-optimization/25771
11053 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11056 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11059 * tree-inline.c (declare_return_variable): If the return variable
11060 was marked as a non gimple complex, set the return slot variable
11061 to be a non gimple comple variable.
11063 2006-01-13 Richard Guenther <rguenther@suse.de>
11065 * builtins.c (expand_builtin_sincos): New function.
11066 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11068 (expand_builtin): Expand sincos using expand_builtin_sincos.
11070 2006-01-12 DJ Delorie <dj@redhat.com>
11072 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11073 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11074 so that constant shifts can be split.
11075 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11076 (m32c_valid_pointer_mode): Make static.
11077 (shift_gen_func_for): New.
11078 (m32c_prepare_shift): Use it. Split large const shifts into
11080 * config/m32c/predicates.md (shiftcount_operand): Allow more
11082 (longshiftcount_operand): New.
11083 * doc/md.texi (Machine Constraints): Document In6.
11085 2006-01-13 Ben Elliston <bje@au.ibm.com>
11087 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11088 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11091 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11093 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11094 to try to avoid clobbering pieces of structures when we know
11095 something about the whole structure.
11096 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11098 2006-01-13 Ben Elliston <bje@au.ibm.com>
11100 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11101 return in memory, as this is no limitation is no longer present.
11103 2006-01-12 DJ Delorie <dj@redhat.com>
11105 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11106 mova with fb, and for fb+0 -> An.
11108 * config/m32c/mov.md (peephole2): Fix enabling logic.
11110 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11111 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11112 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11113 FINI_ARRAY_SECTION_ASM_OP): Define.
11115 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11117 (m32c_legitimize_reload_address): New logic to reload FB to An.
11118 (m32c_output_reg_push): Add newline.
11119 (m32c_output_reg_pop): Likewise.
11121 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11123 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11125 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11127 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11129 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11131 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11134 2006-01-11 Ben Elliston <bje@au.ibm.com>
11136 * rtlanal.c (find_reg_note): Assert insn is not null.
11138 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11140 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11143 2006-01-11 Jeff Law <law@redhat.com>
11145 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11147 (mark_threaded_blocks, register_jump_thread): New functions.
11148 (thread_through_all_blocks): Remove unwanted argument. No
11149 longer rely on e->aux to communicate thread target info.
11150 Call mark_threaded_blocks. Release the threaded_blocks
11151 bitmap and threaded_edges vector when complete.
11152 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11153 (threaded_blocks): Remove.
11154 (tree_ssa_dominator_optimize): Remove initialization and
11155 finalization of threaded_blocks. Simplify call to
11156 thread_through_all_blocks.
11157 (thread_across_edge): Call register_jump_thread rather than
11158 storing thread information into e->aux.
11159 (free_all_edge_infos): Simplify now that e->aux is no longer
11160 used to communicate with thread_through_all_blocks.
11161 * tree-flow.h (thread_through_all_blocks): Update prototype.
11162 (register_jump_thread): Prototype.
11164 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11166 * df-core.c (df_compact_blocks, df_bb_replace): Use
11167 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11169 2006-01-11 Richard Guenther <rguenther@suse.de>
11171 PR tree-optimization/25734
11172 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11173 stop propagation after successful propagation to the LHS.
11175 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11177 * basic-block.h (control_flow_graph): Change the type of
11178 x_basic_block_info to VEC(basic_block,gc) *.
11179 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11181 (SET_BASIC_BLOCK): New.
11182 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11183 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11184 * cfgbuild.c (find_basic_blocks): Likewise.
11185 * cfglayout.c (fixup_reorder_chain): Likewise.
11186 * cfgrtl.c (create_basic_block_structure,
11187 rtl_create_basic_block): Likewise.
11188 * ifcvt.c (find_if_case_1): Likewise.
11189 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11192 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11194 * Makefile.in: Removed rotted odf.c entry.
11196 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11199 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11200 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11201 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11202 output pattern modifier, not %e.
11203 * config/cris/cris.c (cris_op_str): Update comment about pattern
11205 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11206 before falling through into...
11207 <case 'E'>: Redefined from old 'e' case.
11209 2006-01-11 Jan Hubicka <jh@suse.cz>
11212 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11214 2006-01-11 Jan Hubicka <jh@suse.cz>
11216 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11217 * i386.c (x86_decompose_lea): Kill.
11218 (ix86_rtx_costs): Kill.
11220 2006-01-11 Jan Hubicka <jh@suse.cz>
11222 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11223 * cgraph.h (cgraph_node): Add inline_decl.
11224 (cgraph_insert_node_to_hashtable): Declare.
11225 (save_inline_function_body): Declare.
11226 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11228 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11229 (cgraph_function_versioning): Update call of tree_function_versioning.
11230 (save_inline_function_body): New function.
11231 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11232 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11233 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11234 (cgraph_default_inline_p): Likewise.
11235 (cgraph_decide_inlining_incrementally): Likewise.
11236 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11237 (copy_bb): Kill saving; do updating of clones.
11238 (copy_cfg_body): Kill saving.
11239 (initialize_inlined-parameters): Likewise.
11240 (expand_call_inline): Likewise.
11242 (tree_function_versioning): New parameter "update_clones".
11243 (inlining_p): Kill saving.
11244 * tree-inline.h (tree_function_versioning): Update prototype.
11245 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11248 2006-01-11 Ian Lance Taylor <ian@airs.com>
11250 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11251 Allow undoing set of machine mode.
11252 (do_SUBST): Use enums instead of is_int.
11253 (do_SUBST_MODE): New function.
11254 (SUBST_MODE): New macro.
11255 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11256 reg and trying to replace reg_regno_rtx with a new register.
11257 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11258 (simplify_set): Use SUBST_MODE.
11259 (distribute_notes): Remove code that tried to update reg notes
11260 for regno_reg_rtx changes.
11262 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11264 PR tree-optimization/23109
11265 PR tree-optimization/23948
11266 PR tree-optimization/24123
11268 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11269 * tree-cfg.c (single_noncomplex_succ): New.
11270 * tree-flow.h (single_noncomplex_succ): Declare it.
11271 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11272 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11273 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11274 insert_bb, register_division_in, insert_reciprocals,
11275 replace_reciprocal, free_bb): New.
11276 (execute_cse_reciprocals_1): Rewritten.
11277 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11278 Do not commit any edge insertion. Always compute dominators and
11279 create the allocation pool.
11280 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11281 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11282 * targhooks.c (default_min_divistions_for_recip_mul): New.
11283 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11284 * passes.c (init_optimization_passes): Run recip after tree loop
11286 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11288 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11289 Kenneth Zadeck <zadeck@naturalbridge.com>
11291 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11292 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11293 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11294 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11295 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11296 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11297 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11298 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11299 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11300 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11301 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11302 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11303 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11304 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11305 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11306 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11307 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11308 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11309 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11310 DF_SCAN_POST_ALLOC): New macros.
11311 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11312 df_free_bb_function, df_local_compute_function, df_init_function,
11313 df_dataflow_function, df_confluence_function_0,
11314 df_confluence_function_n, df_transfer_function,
11315 df_finalizer_function, df_free_function, df_dump_problem_function,
11316 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11317 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11318 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11319 df_urec_bb_info, ) New types.
11320 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11322 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11323 df_analyze_simple_change_some_blocks,
11324 df_analyze_simple_change_one_block, df_compact_blocks,
11325 df_bb_replace, df_bb_regno_last_use_find,
11326 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11327 df_insn_regno_def_p, df_find_def, df_find_use,
11328 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11329 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11330 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11331 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11332 debug_df_chain, df_get_dependent_problem, df_chain_create,
11333 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11334 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11335 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11336 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11337 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11338 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11339 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11340 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11341 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11342 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11343 df_reorganize_refs, df_set_state, df_hard_reg_init,
11344 df_read_modify_subreg_p) New public functions.
11345 * df-core.c: The core dataflow solver and glue routines for rtl
11347 (df_init, df_add_problem, df_set_blocks, df_finish,
11348 df_hybrid_search_forward, df_hybrid_search_backward,
11349 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11350 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11351 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11352 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11353 df_reg_defined, df_find_use, df_reg_used, df_dump,
11354 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11355 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11356 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11357 debug_df_useno, reset_df_after_reload): New functions.
11358 * df-scan.c: The scanning fuctions, once in df.c, completely
11359 rewritten so that they now fully model the functionality of
11360 register usage at the backend.
11361 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11362 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11363 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11364 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11365 df_get_artificial_defs, df_get_artificial_uses,
11366 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11367 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11368 df_refs_delete, df_reorganize_refs, df_set_state,
11369 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11370 df_def_record_1, df_defs_record, df_uses_record,
11371 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11372 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11373 df_record_exit_block_uses, df_hard_reg_init): New functions.
11375 * df-problems.c: Seven concrete dataflow problems that use the
11376 scanning in df-scan.c and are solved by the engine in df-core.c.
11377 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11378 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11379 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11380 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11381 df_ru_free_bb_info, df_ru_alloc,
11382 df_ru_bb_local_compute_process_def,
11383 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11384 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11385 df_ru_transfer_function, df_ru_free, df_ru_dump,
11386 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11387 df_rd_free_bb_info, df_rd_alloc,
11388 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11389 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11390 df_rd_transfer_function, df_rd_free, df_rd_dump,
11391 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11392 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11393 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11394 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11395 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11396 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11397 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11398 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11399 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11400 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11401 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11402 df_urec_mark_reg_use_for_earlyclobber,
11403 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11404 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11405 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11406 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11407 df_chain_create_bb_process_use, df_chain_create_bb,
11408 df_chain_finalize, df_chain_free, df_chains_dump,
11409 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11410 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11411 df_reg_lifetime): New functions.
11412 * df.c: Deleted file.
11413 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11414 consistent with new df api.
11415 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11416 rest_of_handle_sms): Ditto.
11417 * web.c (unionfind_union, union_defs, entry_register, web_main):
11419 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11420 invariant_expr_equal_p, find_defs, check_dependencies,
11421 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11422 free_inv_motion_data, move_loop_invariants): Ditto.
11423 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11424 Update dependencies.
11425 (odf.c): Added defective entry that was deleted later in day.
11426 * sched-deps.c (sched_analyze_1): Ditto.
11428 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11430 * tree-ssa-operands.c (get_expr_operands): Record addressable
11431 variables directly. Do not call add_stmt_operands for CONST_DECLs
11433 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11434 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11436 2006-01-11 Ben Elliston <bje@au.ibm.com>
11438 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11439 function returns true in the positive case.
11441 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11444 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11445 for SI, DI, SF and DF modes. Add alternatives to copy between
11446 general and floating point registers to the 32-bit patterns.
11447 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11448 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11449 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11450 generating 64-bit code.
11451 * config/pa/pa.c (output_move_double): Handle copies between general
11452 and floating registers.
11454 2006-01-10 Stuart Hastings <stuart@apple.com>
11456 * config/i386/i386.md (set_got): Update.
11457 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11458 (builtin_setjmp_receiver): Mach-O support.
11459 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11460 (GOT_SYMBOL_NAME): Define.
11461 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11462 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11463 * config/i386/i386.c (override_options): Revise for Darwin.
11464 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11465 support. (darwin_x86_file_end): New. (output_set_got): Add label
11466 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11467 * config/i386/i386-protos.h (output_set_got): Likewise.
11468 * config/darwin.c (machopic_legitimize_pic_address): Update
11471 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11473 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11474 when MODE isn't BLKmode.
11476 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11478 PR rtl-optimization/25367
11479 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11481 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11484 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11485 for a negative bound.
11487 2006-01-10 Richard Guenther <rguenther@suse.de>
11489 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11490 Never override with anything constraint.
11492 2006-01-10 Jan Beulich <jbeulich@novell.com>
11494 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11495 256 bits when optimize_size.
11497 2006-01-10 Jan Beulich <jbeulich@novell.com>
11499 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11501 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11502 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11505 2006-01-10 Ben Elliston <bje@au.ibm.com>
11507 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11509 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11510 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11511 (USE_FP_FOR_ARG): Reject decimal float modes.
11512 (function_arg_advance): Likewise.
11513 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11514 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11515 point types in AltiVec vectors.
11516 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11517 (rs6000_libcall_value): Likewise.
11519 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11521 * config/xtensa/ieee754-df.S: New file.
11522 * config/xtensa/ieee754-sf.S: New file.
11523 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11524 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11525 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11527 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11529 * config/sh/predicates.md (binary_float_operator,
11530 binary_logical_operator, commutative_float_operator,
11531 equality_comparison_operator, greater_comparison_operator,
11532 less_comparison_operator, logical_operator,
11533 noncommutative_float_operator, shift_operator,
11534 symbol_ref_operand, unary_float_operator): Remove redundant
11537 2006-01-09 Jeff Law <law@redhat.com>
11539 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11540 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11541 now unused arguments. Callers updated.
11542 (eliminate_redundant_computations): Remove now unused arguments,
11544 (local_fold): Remove, no longer used.
11545 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11547 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11548 (simplify_cond): New function.
11549 (forward_propagate_into_cond): Call simplify_cond.
11551 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11553 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11554 (*vec_extractv2di_1_sse): New.
11556 2006-01-09 Ben Elliston <bje@au.ibm.com>
11558 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11560 2006-01-08 Richard Guenther <rguenther@suse.de>
11562 * tree-ssa-structalias.c (get_constraint_for): Remove
11563 anyoffset argument.
11564 (get_constraint_for_component_ref): Likewise.
11565 (do_deref): Likewise.
11566 (get_constraint_for): Likewise.
11567 (do_structure_copy): Likewise.
11568 (handle_ptr_arith): Likewise.
11569 (find_func_aliases): Likewise. Remove unused need_anyoffset
11572 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11573 Kaz Kojima <kkojima@gcc.gnu.org>
11575 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11576 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11577 (EXTRA_CONSTRAINT_C16): Remove.
11578 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11579 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11580 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11581 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11582 constants of SHmedia. Handle nested constant expressions of
11584 (andcosts): Fix the costs for SHmedia constants.
11585 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11586 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11587 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11588 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11589 (movv4hi_i, movv2si_i): Likewise.
11590 (movsi_const): Adjust the second operand of ior so to match with
11591 the Csu constraint.
11592 (movdi_const, movdi_const_32bit): Likewise.
11593 (movdi_const_16bit+1): Don't sign-extend LOW.
11594 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11596 (*double_shori): Fix the split condition. Use GEN_INT instead
11597 of get_int_mode calls. Mask lower 16-bit of the argument of
11599 (sym2GOTPLT): Remove.
11600 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11602 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11603 instead of EXTRA_CONSTRAINT_C16.
11605 2006-01-07 Ian Lance Taylor <ian@airs.com>
11606 David Edelsohn <edelsohn@gnu.org>
11608 PR rtl-optimization/25662
11609 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11610 for constant operands instead of simplify_gen_binary.
11611 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11612 after trying simplify_binary_operation
11614 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11616 * tree.c (iterative_hash_expr): Hash decls based on UID.
11618 2006-01-06 Eric Christopher <echristo@apple.com>
11620 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11621 (TARGET_UNWIND_EMIT): Fix spelling.
11622 * target.h (gcc_target): Add except_table_label.
11623 * except.c (output_function_exception_table): Use.
11624 * varasm.c (default_emit_except_table_label): New.
11625 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11627 (asm_out): Add here.
11628 * output.h (default_emit_except_table_label): Prototype.
11629 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11630 * config/darwin.c (darwin_emit_except_table_label): Define.
11631 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11633 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11635 PR tree-optimization/18527
11636 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11637 number_of_iterations_special, number_of_iterations_exit):
11638 Move base and step of an iv to a single structure. Add
11639 no_overflow flag, and use it in # of iterations analysis.
11640 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11641 folded_casts argument.
11642 (simple_iv): Pass base and step in a structure. Set no_overflow
11644 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11645 Evaluate expensiveness of computing # of iterations instead of
11646 the final expression.
11647 * tree-scalar-evolution.h (affine_iv): New structure.
11648 (simple_iv): Declaration changed.
11649 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11650 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11651 find_givs_in_stmt): Changed due to simple_iv change.
11653 2006-01-06 Jeff Law <law@redhat.com>
11656 * tree-cfg.c (bsi_replace): Rename final argument from
11657 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11658 change (stmt -> orig_stmt).
11659 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11660 (bsi_remove): Add new argument. Remove EH information
11662 (verify_eh_throw_table_statements): New function.
11663 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11665 * tree-optimize.c (execute_free_cfg_annotations): Verify
11666 the EH throw statement table after removing annotations.
11667 * except.h (verify_eh_throw_table_statements): Prototype.
11668 * tree-flow.h (bsi_remove): Update prototype.
11669 * tree-vrp.c (remove_range_assertions): Add new argument to
11671 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11672 * tree-complex.c (expand_complex_div_wide): Likewise.
11673 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11674 * tree-tailcall.c (eliminate_tailcall): Likewise.
11675 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11676 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11677 * tree-nrv.c (tree_nrv): Likewise.
11678 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11679 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11680 (combine_blocks): Likewise.
11681 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11682 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11683 (cleanup_control_flow): Likewise.
11684 (remove_forwarder_block): Likewise.
11685 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11686 * tree-sra.c (sra_replace): Likewise.
11687 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11688 (forward_propagate_single_use_vars): Likewise.
11689 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11690 * tree-inline.c (expand_call_inline): Likewise.
11691 * tree-vect-transform.c (vect_transform_loop): Likewise.
11692 * tree-outof-ssa.c (rewrite_trees): Likewise.
11693 * tree-cfg.c (make_goto_expr_edges): Likewise.
11694 (cleanup_dead_labels): Likewise.
11695 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11696 (bsi_move_before, bsi_move_after): Likewise.
11697 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11698 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11700 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11703 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11705 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11706 on non gimple variables. Also add checks at the top for decls and
11708 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11710 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11711 and IMAGPART_EXPR for creating MUST_DEFs.
11712 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11713 and NAME_MEMORY_TAG separately from the DECLs.
11715 2006-01-06 Richard Guenther <rguenther@suse.de>
11717 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11718 annotation, if necessary.
11719 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11720 redundant calls to update_stmt.
11721 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11724 2006-01-05 Richard Henderson <rth@redhat.com>
11726 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11728 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11730 * c-typeck.c: Update copyright date.
11732 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11734 * c-typeck.c (build_c_cast): Always warn when casting
11735 from a pointer to an integer of different size, even if
11736 the node was constant.
11738 2006-01-05 Richard Guenther <rguenther@suse.de>
11740 PR tree-optimization/22555
11741 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11742 if one structure field is an array.
11743 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11744 operands even if we found a subvar, but ignore VOPs in this
11746 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11748 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11750 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11752 PR middle-end/24998
11753 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11755 2006-01-05 Richard Guenther <rguenther@suse.de>
11756 Diego Novillo <dnovillo@redhat.com>
11758 * tree-pass.h (TODO_remove_unused_locals): Define.
11759 * gimple-low.c (expand_var_p, remove_useless_vars,
11760 pass_remove_useless_vars): Remove. Update all users.
11761 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11762 (remove_unused_locals): New function.
11763 * tree-flow.h (remove_unused_locals): Declare.
11764 * passes.c (execute_todo): Call remove_unused_locals if
11765 TODO_remove_unused_locals is set.
11766 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11767 * tree-ssa-dce.c (pass_dce): Likewise.
11768 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11770 2006-01-05 Richard Guenther <rguenther@suse.de>
11772 * tree-flow.h (struct fieldoff): Decompose field to
11773 type, size and decl.
11774 * tree-ssa-alias.c (create_sft): Take type as parameter.
11775 (create_overlap_variables_for): Store type, size and decl
11776 in the fieldoff structure.
11777 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11778 of struct fieldoff.
11779 (push_fields_onto_fieldstack): Likewise.
11780 (create_variable_info_for): Likewise. Use offset for the
11781 SFT name if the decl is not available.
11783 2006-01-04 Paul Brook <paul@codesourcery.com>
11785 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11787 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11789 * lambda-code.c (can_put_in_inner_loop): Relax
11791 (can_put_after_inner_loop): New function.
11792 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11793 (perfect_nestify): Change to make copies and modify uses.
11795 2006-01-04 Richard Henderson <rth@redhat.com>
11797 Merge from gomp branch:
11798 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11799 via integer constant.
11800 (pragma_lex): Remove.
11801 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11802 rather than parsing it.
11803 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11804 handle_pragma_extern_prefix): Add %< %> quotes.
11805 (registered_pragmas): New.
11806 (c_register_pragma_1): New.
11807 (c_register_pragma): Use it.
11808 (c_register_pragma_with_expansion): Likewise.
11809 (c_invoke_pragma_handler): New.
11810 (init_pragma): Use cpp_register_deferred_pragma directly for
11812 * c-pragma.h (enum pragma_kind): New.
11813 (pragma_handler): New.
11814 (c_invoke_pragma_handler): Declare.
11815 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11817 * c-common.h (c_common_pch_pragma): Update decl.
11818 * Makefile.in (c-parser.o): Update dependencies.
11819 (GTFILES): Add c-pragma.h.
11820 * c-parser.c (struct c_token): Add pragma_kind.
11821 (struct c_parser): Add in_pragma.
11822 (c_lex_one_token): Always initialize keyword and pragma_kind.
11823 Extract data for CPP_PRAGMA.
11824 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11825 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11826 Don't allow CPP_PRAGMA_EOL if in_pragma.
11827 (c_parser_consume_pragma): New.
11828 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11829 (c_parser_skip_to_end_of_parameter): Likewise.
11830 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11831 (c_parser_skip_to_pragma_eol): New.
11832 (c_parser_external_declaration): Handle CPP_PRAGMA.
11833 (c_parser_compound_statement_nostart): Likewise.
11834 (c_parser_statement_after_labels): Likewise.
11835 (c_parser_pragma): New.
11836 (pragma_lex): Likewise.
11837 (c_parser_pragma_pch_preprocess): New.
11838 (c_parser_new): Merge into ...
11839 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11841 2006-01-04 Jeff Law <law@redhat.com>
11844 * tree-cfg.c (bsi_replace): Remove the original statement
11845 from the EH throw statement table.
11847 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11849 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11850 make the prototype extern "C" and add throw ().
11853 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11854 and pos non-negative and pos + len <= 32.
11855 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11856 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11857 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11860 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11861 as well as sizes not multiple of component size.
11864 * function.c (instantiate_expr): New function.
11865 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11866 walk its DECL_VALUE_EXPR with instantiate_expr.
11868 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11869 DW_OP_deref{,_size} if address isn't going to be added.
11871 2006-01-04 Ben Elliston <bje@au.ibm.com>
11873 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11874 * config/fp-bit.c: Likewise.
11876 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11878 * dominance.c: Add comment about why we use DFS numbering
11881 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11882 Richard Henderson <rth@redhat.com>
11884 Merge from gomp-branch:
11885 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11886 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11888 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11890 PR rtl-optimization/25578
11891 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11892 pass a parameter to simplify_shift_const if changing ASHIFTRT
11895 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11897 * builtins.c (get_builtin_sync_mem): New function.
11898 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11899 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11900 Call get_builtin_sync_mem to generate mem rtx.
11902 2006-01-03 Richard Guenther <rguenther@suse.de>
11905 * stmt.c (add_case_node): Make sure to clear overflow flags
11908 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11910 Merge from gomp-branch.
11911 * config/sparc/sync.md: New file.
11912 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11913 UNSPECV_LDSTUB): New constants.
11914 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11915 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11916 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11919 2006-01-03 Roger Sayle <roger@eyesopen.com>
11921 * combine.c (reg_subword_p): New predicate to test whether the
11922 destination of a set refers to a subword/piece of a register.
11923 (try_combine): Generalize the code to merge the setting of a
11924 pseudo to a constant followed by a set of a subword of that
11925 register to a constant.
11927 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11929 * basic-block.h (control_flow_graph): Change the type of
11930 x_label_to_block_map to VEC(basic_block,gc) *.
11931 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11932 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11934 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11935 VEC(basic_block,heap) *.
11936 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11937 ssa_prop_fini): Adjust the uses of cfg_blocks.
11939 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11941 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11943 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11944 hashing trees instead of a pointer hash.
11945 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11946 compare for MEM_EXPR.
11948 PR rtl-optimization/25130
11949 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11950 when comparing MEMs for GCSE
11952 2006-01-03 Ben Elliston <bje@au.ibm.com>
11954 * targhooks.h (default_decimal_float_supported_p): Declare.
11955 * targhooks.c (default_decimal_float_supported_p): Define.
11956 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11957 `default_decimal_float_supported_p'.
11958 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11960 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11962 * combine.c (apply_distributive_law <SUBREG>): Check
11963 TRULY_NOOP_TRUNCATION.
11965 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11967 * dwarf2out.c (have_switched_text_section): Delete.
11968 (have_multiple_function_sections): New.
11969 (have_location_lists): Make 'bool'.
11970 (add_AT_loc_list): Use 'true' not '1'.
11971 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11972 (output_loc_list): Use have_multiple_function_sections.
11973 (output_ranges): Likewise.
11974 (dwarf2out_begin_function): Set have_multiple_function_sections if
11976 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11977 Check function_section rather than DECL_SECTION_NAME.
11978 (dwarf2out_finish): Use have_multiple_function_sections.
11979 Don't clear have_location_lists.
11981 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11982 Jan Hubicka <jh@suse.cz>
11984 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11985 case of conditional jump jumping to the next instruction.
11986 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11987 cases of conditional jump jumping to the next instruction.
11989 2006-01-02 Jan Hubicka <jh@suse.cz>
11991 * i386.c (*_cost): Add COSTS_N_INSNS.
11992 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11994 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11997 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11999 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12001 * config/arm/arm.c (all_fpus): Fix comment typo.
12002 * config/darwin.c: Likewise.
12003 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12004 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12005 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12007 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12009 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12010 (rs6000_split_compare_and_swapqhi): New.
12011 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12012 (sync_compare_and_swapqhi_internal): New.
12013 * config/rs6000/rs6000-protos.h: Declare.