1 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3 * tree.h: Declare folding_initializer.
4 * builtins.c (fold_builtin_constant_p): Give definite answer
5 if folding inside an initializer.
6 * fold-const.c: Define folding_initializer.
7 (START_FOLD_INIT): Save and then set folding_initializer.
8 (END_FOLD_INIT): Restore folding_initializer.
10 2006-06-04 Richard Guenther <rguenther@suse.de>
12 PR tree-optimization/27039
13 * fold-const.c (fold_comparison): Handle pointer comparison
14 again for all comparison codes. Compare offsets in signed
16 (fold_binary): Move code from here.
18 2006-06-03 Roger Sayle <roger@eyesopen.com>
21 * config/i386/i386.c (construct_container): Split static issued_error
22 flag into issued_sse_arg_error, issued_sse_ret_error and
23 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
24 requires the use of x87 registers and the user explicitly
25 specified the -mno-80387 command line option.
27 2006-06-02 Geoffrey Keating <geoffk@apple.com>
29 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
30 HAVE_DECL_SIGALTSTACK.
32 (segv_handler): Use MC_FLD.
33 * configure.ac: Check for a sigaltstack declaration.
34 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
35 * configure: Regenerate.
36 * config.in: Regenerate.
38 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
41 * Makefile.in (stmp-fixinc): Fix typo.
43 2006-06-02 Roger Sayle <roger@eyesopen.com>
45 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
46 are type correct. Clean-up.
47 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
48 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
50 2006-06-01 DJ Delorie <dj@redhat.com>
52 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
53 shift, as we've disabled the "switch" insn that needs it.
55 2006-06-01 Per Bothner <bothner@bothner.com>
57 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
58 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
59 * c-ppoutput.c (cb_define): Don't increment line 0.
61 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
63 * doc/invoke.texi: Add cpu_type power6.
64 * config.gcc: Add cpu_type power6.
65 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
66 to power5+ with Altivec.
67 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
68 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
70 2006-05-30 Anatoly Sokolov <aesok@post.ru>
72 * config/avr/avr.h (SET_ASM_OP): Define.
74 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
76 * config/bfin/bfin.c: Fix comment typos.
78 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
81 * doc/install.texi: Document --enable-bootstrap and
84 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
86 * doc/install.texi: Document that InfoZIP can replace jar.
88 2006-05-31 Roger Sayle <roger@eyesopen.com>
90 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
91 isn't available, directly generate the simpler x87 patterns without
92 the (use (const_int 0)).
93 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
94 implementation isn't available.
95 (*negdf2_1): Likewise.
96 (*negxf2_1): XF mode negation is always done using the x87.
97 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
99 2006-05-31 Roger Sayle <roger@eyesopen.com>
101 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
102 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
104 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
106 2006-05-31 Jie Zhang <jie.zhang@analog.com>
108 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
109 * config/bfin/bfin.c (basic-block.h): Include.
110 (struct machine_function): New.
111 (bfin_init_machine_status): New.
112 (override_options): Initialize init_machine_status.
113 (bfin_hardware_loop): New.
114 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
115 (DEF_VEC_P (loop_info)): New.
116 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
117 (struct loop_info): New.
118 (loop_info): New typedef.
119 (struct loop_work): New.
120 (loop_work): New typedef.
121 (DEF_VEC_O (loop_work)): New.
122 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
123 (bfin_dump_loops): New.
124 (bfin_bb_in_loop): New.
125 (bfin_scan_loop): New.
126 (bfin_optimize_loop): New.
127 (bfin_reorg_loops): New.
128 (bfin_reorg): Use bfin_reorg_loops.
129 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
131 (I_REGNO_P): Simplify.
132 (DP_REGNO_P, DPREG_P): New macros.
133 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
134 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
135 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
136 Add LT_REGS, LC_REGS, LB_REGS.
137 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
139 (REGNO_REG_CLASS): Deal with loop registers.
140 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
142 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
143 New constants for loop registers.
144 (UNSPEC_LSETUP_END): New.
145 (seq_insns): New define_attr. Set it for appropriate insns.
146 (movsi_insn): Add alternatives for move from/to
147 loop count registers.
148 (doloop_end): New define_expand.
149 (loop_end): New define_insn.
150 (define_split for bad doloop_end): New.
151 (lsetup_with_autoinit): New define_insn.
152 (lsetup_without_autoinit): New define_insn.
153 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
154 * config/bfin/predicates.md (lc_register_operand): New.
155 (lt_register_operand): New.
156 (lb_register_operand): New.
157 (nondp_register_operand): New.
158 (nondp_reg_or_memory_operand): New.
159 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
161 2006-05-31 Jie Zhang <jie.zhang@analog.com>
163 * config/bfin/bfin.c (bfin_delegitimize_address): New.
164 (TARGET_DELEGITIMIZE_ADDRESS): Define.
166 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
168 * Makefile.in (CATALOGS): Add po/ prefix.
169 * configure: Regenerated.
171 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
174 * arm.c (arm_print_operand case 'S'): Validate that the operand is
175 a shift operand before calling shift_op. Avoid redundant call of
178 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
179 DJ Delorie <dj@redhat.com>
181 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
182 we're inserting is a singlt-bit constant.
184 2006-05-30 Roger Sayle <roger@eyesopen.com>
186 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
187 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
189 2006-05-30 Roger Sayle <roger@eyesopen.com>
191 PR tree-optimization/23452
192 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
193 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
194 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
195 complex values and with -ffast-math for FP complex values.
197 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
199 * c-common.h: Remove the prototype for yyparse.
200 * rtl.h: Remove the prototype for init_loop.
202 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
204 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
207 2006-05-30 Roger Sayle <roger@eyesopen.com>
209 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
211 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
212 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
214 2006-05-30 Dirk Mueller <dmueller@suse.de>
217 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
218 for CONSTANT_CLASS_P expresisons.
220 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
223 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
225 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
227 PR tree-optimization/27779
228 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
229 initial_condition instead of CHREC_LEFT.
231 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
233 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
234 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
235 Make prototypes ISO C90.
237 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
238 Leehod Baruch <leehod.baruch@weizmann.ac.il>
240 * see.c (see_analyze_one_def): Correct check.
241 (see_get_extension_data): Check if extension is parallel.
242 (see_get_extension_reg): Likewise.
244 2006-05-30 Uros Bizjak <uros@kss-loka.si>
247 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
248 into register for (code == GTU).
250 2006-05-29 Roger Sayle <roger@eyesopen.com>
252 PR tree-optimization/24964
253 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
254 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
255 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
256 abs(x)*abs(x) as x*x for scalar floating point modes.
258 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
261 * lambda-code.c (perfect_nestify): Don't copy statements
262 in the inner loop: move them to the inner loop header.
264 2006-05-29 Diego Novillo <dnovillo@redhat.com>
267 * c-tree.texi: Document OpenMP directives and clauses.
269 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
271 * varasm.c (globalize_decl): Fix indentation.
273 2006-05-29 Diego Novillo <dnovillo@redhat.com>
276 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
277 pass_fre, pass_store_ccp, pass_copy_prop,
278 pass_store_copy_prop, pass_merge_phi, pass_nrv,
279 pass_return_slot, pass_object_size, pass_lim,
280 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
281 pass_loop_prefetch and pass_stdarg.
283 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
285 * config/bfin/bfin.opt (mfdpic): New option.
286 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
287 (EXTRA_MULTILIB_PARTS): Likewise.
288 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
289 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
291 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
292 (CRT_CALL_STATIC_FUNCTION): New.
293 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
295 (CRT_CALL_STATIC_FUNCTION): New.
296 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
298 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
299 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
300 (initialize_trampoline): Changed to handle FD-PIC code generation.
301 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
302 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
303 (override_options): Disallow -mid-shared-library -mfdpic combination.
304 Can't do unaligned ops if FD-PIC.
305 Turn off flag_pic if trying to generate non-id-shared-library
306 non-fdpic code, since it's not supported.
307 (bfin_assemble_integer): New function.
308 (TARGET_ASM_INTEGER): Define.
309 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
311 * config/bfin/crtn.s: Restore them.
312 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
314 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
315 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
316 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
317 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
318 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
320 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
321 FDPIC_REGS and FDPIC_FPTR_REGS.
322 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
323 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
324 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
325 (load_funcdescsi): New pattern.
326 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
327 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
328 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
330 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
332 * gcse.c, rtlanal.c: Remove obsolete comments associated with
335 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
337 * tree-flow.h: Remove the prototype for add_type_alias.
338 * tree-ssa-alias.c (add_type_alias): Remove.
340 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
342 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
343 config/fr30/fr30.md, config/i386/i386-interix.h,
344 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
345 config/sh/superh64.h, config/v850/v850.c, df-core.c,
346 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
347 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
348 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
349 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
350 Follow spelling conventions.
351 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
352 Follow spelling conventions.
354 2006-05-27 Richard Guenther <rguenther@suse.de>
357 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
358 to produce a constant of value 1 of generic type.
360 2006-05-27 Dirk Mueller <dmueller@suse.de>
362 * cgraphunit.c (decide_is_function_needed): Fix wrong
365 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
367 PR rtl-optimization/27661
368 * reload.c (find_reloads): When reloading a VOIDmode constant
369 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
370 use Pmode as mode of the reload register.
372 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
374 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
375 is enabled at -O and above.
377 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
380 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
383 2006-05-25 Mark Mitchell <mark@codesourcery.com>
386 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
387 for anonymous variables explicitly declared by front ends.
389 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
391 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
392 (struct alias_info): Add new field ref_all_symbol_mem_tag.
393 * tree-ssa-alias.c (compute_may_aliases): If the program contains
394 ref-all pointers, run a finalization pass for them.
395 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
396 (finalize_ref_all_pointers): New function.
397 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
398 regular pointer type to a ref-all pointer type.
399 (get_tmt_for): Return the special memory tag for ref-all pointers.
401 2006-05-25 Richard Guenther <rguenther@suse.de>
404 * fold-const.c (fold_binary): Do not look at the stripped
405 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
407 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
409 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
410 for LT and GT if the computed range is effectively empty.
412 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
415 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
416 mips_quad_format formats instead of ieee_single_format,
417 ieee_double_format and ieee_quad_format formats, respectively.
419 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
421 PR tree-optimization/27639
422 PR tree-optimization/26719
423 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
424 call to scev_probably_wraps_p.
425 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
426 used_in_pointer_arithmetic_p, convert_step): Removed.
427 (nowrap_type_p): New function.
428 (scev_probably_wraps_p): Rewritten.
429 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
430 chrec_convert if chrec_convert_aggressive might have been used.
431 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
432 scev_direction): New functions.
433 (chrec_convert): Changed to a wrapper over chrec_convert_1.
434 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
435 instead of convert_step.
436 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
437 (convert_step): Declaration removed.
438 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
440 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
442 * df-core.c: Added to header comments.
443 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
444 df_ur_bb_info, df_urec_bb_info): Added comments.
445 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
446 urec, ri problems): Fixed header comments.
447 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
448 code from df_rd_transfer_function.
450 2006-05-23 Richard Sandiford <richard@codesourcery.com>
452 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
453 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
454 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
456 2006-05-23 Joseph Myers <joseph@codesourcery.com>
458 * expr.c (undefined_operand_subword_p): New.
459 (emit_move_multi_word): Do not generate move from undefined bits
460 of a paradoxical subreg.
462 2006-05-23 Richard Sandiford <richard@codesourcery.com>
464 PR rtl-optimization/27736
465 * combine.c (replaced_rhs_value): New variable.
466 (combine_instructions): Set it.
467 (distribute_notes): When distributing a note in replaced_rhs_insn,
468 check whether the value was used in replaced_rhs_value.
470 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
473 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
474 add_referenced_var instead of add_referenced_tmp_var.
475 * tree-complex.c (create_one_component_var): Use add_referenced_var.
476 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
478 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
479 tree_optimize_tail_calls_1): Use add_referenced_var.
480 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
481 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
482 Use add_referenced_var.
483 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
484 * gimplify.c (force_gimple_operand): Use add_referenced_var.
485 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
486 Use add_referenced_var.
487 * tree-dfa.c (struct walk_state): Remove.
488 (find_referenced_vars): Remove walk state and vars_found hash table.
489 (make_rename_temp): Use add_referenced_var.
490 (find_vars_r): Pass less parameters to add_referenced_var.
491 (referenced_var_p): New. Is var in referenced_var hash table.
492 (referenced_var_insert): Assert var isn't already in hash table.
493 (add_referenced_var): Don't need walk_state parameter. Add var if it
494 isn't already in the hash table.
495 (add_referenced_tmp_var): Remove.
496 (find_new_referenced_vars_1): Use add_referenced_var.
497 * tree-ssa-pre.c (create_expression_by_pieces,
498 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
499 Use add_referenced_var.
500 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
501 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
502 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
504 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
505 vect_create_data_ref_ptr, vect_create_destination_var,
506 vect_init_vector, vect_build_loop_niters,
507 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
508 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
509 Use add_referenced_var.
510 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
511 * tree-flow.h (add_referenced_tmp_var): Remove prototype
512 (add_referenced_var): Add prototype.
513 * tree-ssa-structalias.c (get_constraint_for,
514 intra_create_variable_infos): Use add_referenced_var.
516 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
518 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
519 big-endian paradoxical subregs.
520 * var-tracking.c (struct micro_operation_def): Document that,
521 for modify micro operations, insn is the subsequent instruction.
522 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
523 (var_reg_set, var_mem_set): ... new functions.
524 (add_stores): Record subsequent insn.
525 (compute_bb_dataflow): Use new functions for MO_USE.
526 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
527 notes after the insn, and modify notes before the insn known
528 to be the subsequent one.
529 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
531 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
534 * config/i386/i386.c (ix86_expand_builtin): Use
535 gen_sse3_monitor64 for TARGET_64BIT.
537 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
539 PR rtl-optimization/26375
540 PR rtl-optimization/26855
541 * df-problems (df_ru_bb_local_compute_process_def): Removed update
543 (df_ru_bb_local_compute): Reversed statements and removed bogus
544 comment explaining why they should be in wrong order.
545 (df_ru_dump, df_rd_dump): Enhanced debug info.
546 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
548 * ddg.c (add_deps_for_def): Converted use of reaching defs to
549 reaching uses and fixed space problem.
551 2006-05-23 Jan Hubicka <jh@suse.cz>
553 * cgraphunit.c (decide_is_function_needed): Also nested functions
554 and functions declared inline can be optimized out at -O0.
556 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
558 * doc/install.texi (Configuration): Remove reference to CrossGCC
559 FAQ which was hijacked.
562 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
565 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
566 ix86_compare_emitted is non-NULL.
568 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
571 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
574 2006-05-22 Richard Sandiford <richard@codesourcery.com>
576 PR rtl-optimization/25514
577 * combine.c (replaced_rhs_insn): New variable.
578 (combine_instructions): Set replaced_rhs_insn when trying to replace
579 a SET_SRC with a REG_EQUAL note.
580 (distribute_notes): Use replaced_rhs_insn when determining the live
581 range of a REG_DEAD register.
583 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
584 Anatoly Sokolov <aesok@post.ru>
586 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
587 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
588 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
589 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
590 atmega3290, atmega649, atmega6490, atmega406, atmega640,
591 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
592 at90usb647, at90usb1286 and at90usb1287 devices.
593 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
594 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
596 2006-05-22 Richard Sandiford <richard@codesourcery.com>
598 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
600 2006-05-22 Richard Guenther <rguenther@suse.de>
603 2006-01-31 Richard Guenther <rguenther@suse.de>
604 Paolo Bonzini <bonzini@gnu.org>
606 * doc/install.texi (--disable-libgcc-math): Document.
608 2006-05-22 Richard Guenther <rguenther@suse.de>
611 2006-01-31 Richard Guenther <rguenther@suse.de>
613 * doc/invoke.texi (-msselibm): Document.
614 * target.h (expand_library_builtin): New target hook.
615 * builtins.c (expand_builtin): Use expand_library_builtin.
616 (default_expand_library_builtin): New function.
617 * gcc.c (LINK_GCC_MATH_SPEC): Define.
618 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
619 (link_gcc_math_spec): Declare.
620 (static_specs): Add link_gcc_math_spec.
621 * expr.h (default_expand_library_builtin): Declare.
622 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
623 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
624 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
625 * config/i386/i386.opt (msselibm): New target option.
626 * config/i386/i386.c (ix86_builtin_function_variants): New array.
627 (ix86_init_sse_abi_builtins): New function.
628 (ix86_expand_library_builtin): Likewise.
629 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
630 (override_options): Handle error conditions wrt -msselibm.
631 (ix86_builtins): Add function codes for SSE2 ABI builtins.
632 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
633 * doc/extend.texi (__builtin_sse2_*): Document new target specific
636 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
639 * c-common.c (self_promoting_args_p): Skip erroneous args.
642 * c-decl.c (finish_struct): Skip erroneous fields.
644 2006-05-22 Nick Clifton <nickc@redhat.com>
646 * config/cris/cris.opt (march): Remove VarExists attribute.
647 (max-stackframe=): Likewise.
649 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
651 * doc/rtl.texi: Fix a typo.
652 * see.c: Fix comment typos.
654 * tree-ssa-structalias.h (alias_info): Remove num_references.
656 2006-05-21 Mike Stump <mrs@apple.com>
658 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
660 (darwin_pragma_options): Use BAD instead.
661 (darwin_pragma_unused): Likewise.
662 (darwin_pragma_ms_struct): Likewise.
664 2006-05-21 David Edelsohn <edelsohn@gnu.org>
666 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
668 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
670 PR rtl-optimization/27671
671 * simplify-rtx.c (simplify_relational_operation_1): Fix
672 simplifications of (eq/ne (xor x y) y) and
675 PR tree-optimization/26622.
676 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
679 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
681 * tree-cfg.c: Prune whitespace.
682 (debug_tree_cfg): Point to correct header containing the
685 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
688 * cgraphunit.c (verify_cgraph_node): Typo in error message.
690 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
693 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
694 or sorry count is non zero.
696 2006-05-20 Andreas Schwab <schwab@suse.de>
698 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
700 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
701 Kenneth Zadeck <zadeck@naturalbridge.com>
703 PR rtl-optimization/26855
705 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
707 (df_scan_alloc): Added code to properly handle multiword hard
708 registers and add all_blocks parameter.
709 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
710 code to properly handle multiword hard registers.
711 (df_rescan_blocks): Added code to remove deleted blocks from
713 (df_ref_create_structure, df_ref_record): Added code to properly
715 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
716 and set DF_REF_PARTIAL.
717 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
718 (df_uses_record): Added DF_REF_PARTIAL for subreg.
719 (df_scan_add_problem): Added flags parameter.
720 (df_ref_create_structure): Changed switching structure.
721 (df_bb_refs_record): Fixed case where duplicate artificial refs
722 were created. Changed location of flags.
723 (df_record_entry_block_defs): Added code to make stack pointer
724 live in entry block. Refined cases where frame pointer is needed.
725 Changed location of flags.
726 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
727 (df_set_state): Removed function.
728 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
729 df_insn_create_insn_record, df_insn_refs_delete,
730 df_ref_create_structure): Formatting changes.
731 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
732 df_delete_basic_block): New function.
733 (df_init): Changed location of flags.
734 (df_add_problem): Added flags parameter and the way flags are
736 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
737 debug_df_chain): Improved debugging output.
738 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
739 (df_refs_chain_dump): Removed df parameter.
740 (df_iterative_dataflow): Added consistency check.
741 (df_prune_to_subcfg): Made public.
742 (df_analyze_problem): Added blocks_to_init parameter and made
744 (df_ref_record, df_bb_refs_record, df_mark_reg,
745 df_record_exit_block_uses): Whitespace changes.
746 (df_dump): Whitespace changes.
747 * df.h: Some reordering to remove forward references.
748 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
749 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
750 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
751 (dataflow.flags): New field.
752 (df.flag): Deleted field.
753 (df_alloc_function): Added additional bitmap parameter.
754 (df_dependent_problem_function): New type.
755 (df_problem.changeable_flags): New field.
756 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
757 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
758 (df_mw_hardreg): New struct.
759 (DF_INSN_UID_MWS): New macro.
760 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
762 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
763 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
764 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
765 (df_set_state): Removed function.
766 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
767 * df-problems.c (df_chain_dump): Removed df parameter.
768 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
769 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
771 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
772 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
773 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
774 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
775 DF_REF_MUST_CLOBBER cases.
776 (df_ru_bb_local_compute_process_def,
777 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
778 df_lr_bb_local_compute, df_ur_bb_local_compute,
779 df_chain_create_bb): Made subreg aware.
780 (df_ru_bb_local_compute, df_rd_bb_local_compute,
781 df_lr_bb_local_compute, df_lr_bb_local_compute,
782 df_chain_create_bb): Cleanup to use proper macros.
783 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
784 code to fixup bitvectors.
785 (df_ri_alloc): Cleared lifetime.
786 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
787 df_create_unused_note): New function.
788 (df_ri_bb_compute, df_ri_compute): Added code to create/update
789 REG_DEAD and REG_UNUSED notes as well as register information.
790 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
791 df_chains_dump): Fixed crash if problem was never run.
792 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
793 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
794 df_ri_add_problem): Processes flags in uniform manner.
795 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
796 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
797 df_rd_dump, df_urec_free_bb_info): Formatting changes.
798 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
799 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
800 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
801 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
802 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
803 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
804 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
805 * see.c (see_initialize_data): Ditto.
806 * final.c (rest_of_clean_state) Added regstack_completed.
807 * rtl.h (regstack_completed): Ditto.
808 * reg-stack.c (regstack_completed): Ditto.
810 2006-05-19 Mike Stump <mrs@apple.com>
812 * c-tree.h (default_conversion): Remove.
813 * c-common.h (default_conversion): Add.
815 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
817 * tree-vrp.c (valid_value_p): New function.
818 (adjust_range_with_scev): Fail if the value of bound is not
821 2006-05-19 Richard Sandiford <richard@codesourcery.com>
823 * config/mips/linux-unwind.h: Include <asm/unistd.h>
824 (mips_fallback_frame_state): Use syscall numbers to determine
825 the appropriate li instruction for the current ABI. Only use
826 __NR_sigreturn for o32.
828 2006-05-19 Nicolas Setton <setton@adacore.com>
830 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
831 * langhooks.c (lhd_dwarf_name): New function.
832 * langhooks-def.h (lhd_dwarf_name): Declare.
833 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
834 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
835 * ada/misc.c (gnat_dwarf_name): New function.
836 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
838 2006-05-19 Richard Sandiford <richard@codesourcery.com>
840 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
842 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
843 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
844 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
845 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
846 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
847 determine the size of Wtype, etc.
848 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
849 (swfloatfuncs): New variable.
850 (dwfloatfuncs): Likewise.
851 (lib2funcs): Remove floating-point conversion functions from
852 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
853 the set of conversion routines needed. Allow entries to specify
854 an object name, filename and word size. Update users accordingly.
855 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
856 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
860 2006-02-08 Roger Sayle <roger@eyesopen.com>
863 * config/fixtfdi.c: New libgcc source file.
864 * config/fixunstfdi.c: New source file.
865 * config/floatditf.c: New source file.
866 * config/floatunditf.c: New souce file.
867 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
868 files above instead of config/mips/_tilib.c.
869 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
871 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
873 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
874 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
876 2006-05-18 Mike Stump <mrs@apple.com>
878 Fix up vla, vm and [*] sematics.
884 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
885 (c_vla_unspec_p): Add.
887 * c-decl.c (struct c_scope): Add had_vla_unspec.
888 (build_array_declarator): Add support for [*].
889 (grokdeclarator): Likewise.
890 (grokparms): Likewise.
891 (get_parm_info): Likewise.
892 * c-objc-common.c (c_vla_unspec_p): Likewise.
893 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
894 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
895 typeof when argument is a variably modified type not inside sizeof or alignof.
896 (c_parser_direct_declarator_inner): Propagate errors.
897 (c_parser_sizeof_expression): Add support for [*].
898 (c_parser_parms_declarator): Initialize had_vla_unspec.
899 (c_parser_parms_list_declarator): Likewise.
900 * c-typeck.c (c_vla_type_p): Add.
901 (composite_type): Add support for vla compositing.
902 (comptypes_internal): Add support for vla compatibility.
903 (c_expr_sizeof_expr): Evaluate vla arguments.
904 * tree.c (variably_modified_type_p): Update comment for [*].
906 2006-05-18 Michael Matz <matz@suse.de>
909 * config.host: Make assignments to host_xmake_file cumulative.
910 * config.host (*-darwin*): Test $host, not $target.
912 2006-05-12 Stuart Hastings <stuart@apple.com>
914 * config/i386/i386.opt (-mstackrealign): New flag.
915 * config/i386/i386.c (force_align_arg_pointer): New attribute.
916 (ix86_handle_cconv_attribute): Emit error when
917 force_align_arg_pointer attribute collides with too many regparms.
918 (ix86_function_regparm): Limit regparms when used with
919 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
920 Support stack-realigning prologue in non-main functions. Emit
921 warning for nested functions under -mstackrealign, emit error for
922 nested functions with force_align_arg_pointer attribute.
923 * doc/extend.texi (force_align_arg_pointer): Document it.
924 * doc/invoke.texi (-mstackrealign): Document it.
926 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
928 PR rtl-optimization/27477
929 * combine.c (try_combine): Don't split a parallel consisting
930 of two sets into two individual sets if both sets reference
933 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
935 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
936 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
938 * doc/options.texi (VarExists): Updated.
940 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
942 * unwind-dw2.c: Add declarations for uw_update_context and
944 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
945 detected, advance frame state and context once to skip over stub.
947 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
951 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
952 Call rewrite_into_loop_closed_ssa only when something changed.
953 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
954 * lambda-code.c (can_convert_to_perfect_nest): Declared.
955 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
956 Test for perfect_nest_p here. Fix formating.
957 (replace_uses_equiv_to_x_with_y): Fix formating.
958 (stmt_uses_op): Removed.
959 (can_convert_to_perfect_nest): Removed loopivs parameter.
960 Complete the test by checking the scalar dependences.
961 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
964 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
967 From Dan Kegel <dank@kegel.com>:
968 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
970 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
972 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
973 if the element type is variably modified without recursing.
975 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
978 * tree-loop-linear.c (try_interchange_loops): Test for
981 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
983 PR tree-optimization/27548
984 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
985 range of ssa names that appear on abnormal edges.
986 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
987 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
989 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
992 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
994 2006-05-17 Jakub Jelinek <jakub@redhat.com>
997 * tree.h (OMP_PARALLEL_COMBINED): Define.
998 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
999 (new_omp_context): Add is_combined_parallel argument.
1000 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1001 new_omp_context caller.
1002 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1003 Adjust gimplify_scan_omp_clauses callers.
1004 (omp_is_private): Issue errors if iteration variable is firstprivate
1005 or reduction in the current context.
1006 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1007 on combined parallel workshare constructs.
1009 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1011 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1012 (gcc-options.o): New rule.
1014 * optc-gen.awk: Protect variables for gcc-options.o with
1015 #ifdef GCC_DRIVER/#endif.
1017 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1019 Fix PR tree-optimization/27373
1020 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1021 (forward_propagate_addr_expr): Update call.
1023 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1025 * doc/options.texi: Move the Negative option.
1027 2006-05-16 Richard Guenther <rguenther@suse.de>
1029 PR tree-optimization/22303
1030 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1032 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1033 ccp_fold did not simplify the statement.
1035 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1038 * Makefile.in (GCC_OBJS): New.
1039 (OBJS-common): Add opts-common.o.
1040 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1041 (cpp$(exeext)): Likewise.
1042 (gcc.o): Also depend on opts.h.
1043 (opts-common.o): New.
1045 * common.opt (gcoff): Add Negative(gdwarf-2).
1046 (gdwarf-2): Add Negative(gstabs).
1047 (gstabs): Add Negative(gstabs+).
1048 (gstabs+): Add Negative(gvms).
1049 (gvms): Add Negative(gxcoff).
1050 (gxcoff): Add Negative(gxcoff+).
1051 (gxcoff+): Add Negative(gcoff).
1052 * config/i386/i386.opt (m32): Add Negative(m64).
1053 (m64): Add Negative(m32).
1055 * doc/options.texi: Document the Negative option.
1057 * gcc.c: Include "opts.h".
1058 (main): Call prune_options after expandargv.
1060 * optc-gen.awk: Generate common declarations for all flag
1061 variables in options.c. Output the neg_index field.
1063 * opts.c (find_opt): Moved to ...
1064 * opts-common.c: Here. New file.
1066 * opts.h (cl_option): Add a neg_index field.
1068 (prune_options): Likewise.
1070 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1073 * omp-low.c (expand_omp_parallel): Don't assert
1074 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1075 instead search for it.
1078 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1081 2006-05-16 Andreas Schwab <schwab@suse.de>
1083 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1086 2006-05-15 Roger Sayle <roger@eyesopen.com>
1089 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1090 integer constants other than zero are only legitimate on TARGET_64BIT.
1091 <CONST_VECTOR> Only zero vectors are legitimate.
1092 (ix86_cannot_force_const_mem): Integral and vector constants can
1093 always be put in the constant pool.
1095 2006-05-16 DJ Delorie <dj@redhat.com>
1097 * crtstuff.c (__dso_handle): Set section from
1098 TARGET_LBIGCC_SDATA_SECTION if defined.
1099 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1100 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1102 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1105 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1108 2006-05-16 Ben Elliston <bje@au.ibm.com>
1110 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1112 2006-05-15 Per Bothner <per@bothner.com>
1114 * tree.c: (last_annotated_node): Use source_locus typedef.
1115 This permits bootstrapping with --enable-mapped-location.
1117 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1119 PR tree-optimization/26830
1120 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1121 (info_for_ssa_name, current_info_for_ssa_name_age,
1122 blocks_to_update): New variables.
1123 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1124 (clear_ssa_name_info, initialize_flags_in_bb,
1125 mark_block_for_update): New functions.
1126 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1127 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1128 prepare_def_site_for): Use mark_block_for_update.
1129 (mark_def_interesting): Assert that the processed block is marked in
1130 blocks_to_update. Do not take blocks argument.
1131 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1133 (rewrite_update_init_block, rewrite_update_stmt): Only process
1134 blocks with statements to rewrite.
1135 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1136 (update_ssa): Initialize and free blocks_to_update. Do not
1137 clear flags on statements. Do not use blocks bitmap.
1138 * tree.h (SSA_NAME_AUX): Removed.
1139 (struct tree_ssa_name): Removed aux field.
1140 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1142 2006-05-15 Richard Guenther <rguenther@suse.de>
1144 PR tree-optimization/27603
1145 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1146 Do computations in original type.
1148 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1150 * see.c: Code style changes such as redundant paranthesis,
1151 redundant intialization of local variables etc.
1152 (see_main): Declared now as static.
1153 * doc/invoke.texi: Update that -fsee is not enabled by
1156 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1158 * omp-low.c (check_omp_nesting_restrictions): New function.
1159 (scan_omp_1): Call it.
1162 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1163 construct, return *VAR.
1165 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1167 PR rtl-optimization/27406
1168 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1171 2006-05-14 Roger Sayle <roger@eyesopen.com>
1173 PR rtl-optimization/27538
1174 * combine.c (expand_compound_operation): Call gen_lowpart
1175 before calling simplify_shift_const.
1177 2006-05-14 Roger Sayle <roger@eyesopen.com>
1179 PR rtl-optimization/22563
1180 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1181 a fixed width bitfield, always force the intermediates into psuedos.
1183 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1186 * mkconfig.sh: Use operator = instead of == for test.
1188 2006-05-13 Nick Clifton <nickc@redhat.com>
1190 * dwarf2out.c (dbx_reg_number): Check return value from
1191 LEAF_REG_REMAP and only use it if it is valid.
1192 (multiple_reg_loc_descriptor): Likewise.
1194 2006-05-13 Richard Guenther <rguenther@suse.de>
1196 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1199 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1201 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1202 information attached to non-INSNs such as NOTEs.
1203 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1205 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1207 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1209 * config/s390/s390.md: Adjust comment describing On constraint.
1211 2006-05-11 Jan Hubicka <jh@suse.cz>
1213 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1214 to be output at -O0.
1216 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1219 * fold-const.c (size_binop): Move sanity check for arguments to
1220 the beginning of the function.
1223 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1226 2006-05-11 Richard Guenther <rguenther@suse.de>
1229 * fold-const.c (fold_unary): Handle intermediate conversion
1230 to a pointer type like intermediate conversion to an integer
1231 type in folding of (T1)(T2)var to var.
1232 Match the code to the comment in the final conversion for
1233 (T1)(T2)var to (T1)var regarding to type precision. Rather
1234 than disallow T1 being of pointer type, assert that both T1
1235 and var are of pointer type or not. Make sure not to fall
1236 over the frontends lazyness wrt array to pointer decay though.
1238 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1240 * arm.c (arm_struct_value_rtx): Delete.
1241 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1242 (arm_init_cumulative_args): Always initialize nregs to zero.
1244 2006-05-10 Richard Guenther <rguenther@suse.de>
1246 PR tree-optimization/27532
1247 * tree-object-size.c (plus_expr_object_size): Fix typo.
1249 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1252 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1253 ashrdi_const, ashrdi3): Use a scratch register.
1255 2006-05-10 Richard Guenther <rguenther@suse.de>
1257 PR tree-optimization/27302
1258 * fold-const.c (operand_equal_p): For two comparisons,
1259 try comparison of one comparison code swapped if that yields
1262 2006-05-10 Ben Elliston <bje@au.ibm.com>
1264 * tree-pretty-print.c (pretty_print_string): No need to handle
1265 '\0' as a special character.
1267 * tree.h: Include "hashtab.h".
1268 (iterative_hash_expr): Use hashval_t in its prototype.
1269 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1271 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1274 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1275 (hppa*64*-*-hpux11*): Ditto.
1276 (hppa[12]*-*-hpux11*): Ditto.
1278 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1281 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1283 2006-05-09 Michael Matz <matz@suse.de>
1285 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1286 host_extra_gcc_objs and host_xmake_file.
1287 (<*-*-linux*>): Don't overwrite host_xmake_file.
1288 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1289 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1290 (host_detect_local_cpu): Declare.
1291 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1292 * config/i386/i386.c (override_options): Handle -mtune=native
1294 * config/i386/x-i386: New file.
1295 * config/i386/driver-i386.c: New file.
1296 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1299 2006-05-09 Dirk Mueller <dmueller@suse.de>
1300 Richard Guenther <rguenther@suse.de>
1303 * fold-const.c (fold_read_from_constant_string): Relax check
1304 for matching types to matching modes.
1306 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1308 PR rtl-optimization/27335
1309 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1312 2006-05-08 Chao-ying Fu <fu@mips.com>
1313 Richard Sandiford <richard@codesourcery.com>
1315 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1316 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1317 * config/mips/mips.md (UNSPEC_SCC): New constant.
1318 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1319 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1320 (mips_emit_compare): Use it.
1321 (mips_expand_vcondv2sf): New function.
1323 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1325 Fix PR tree-optimization/27093
1326 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1327 renaming when they become not-used_alone.
1329 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1331 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1332 relocation and relocation stubs.
1334 2006-05-08 Eric Christopher <echristo@apple.com>
1336 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1339 2006-05-08 Jan Hubicka <jh@suse.cz>
1342 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1343 unused static functions are needed.
1345 2006-05-08 Roger Sayle <roger@eyesopen.com>
1348 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1349 of a reg_equiv_constant if the result is a legitimate constant.
1351 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1354 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1355 standard 80387 constants, raise the cost to prevent
1356 compress_float_constant() to generate load from memory.
1358 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1360 * config/arm/constraints.md (c): Fix a typo.
1362 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1365 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1368 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1370 (_mm_mwait): Likewise.
1372 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1374 (sse3_monitor): Make it 32bit only.
1375 (sse3_monitor64): New. 64bit monitor.
1377 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1380 * config/i386/i386.c (classify_argument): Skip fields with invalid
1383 2006-05-07 Richard Guenther <rguenther@suse.de>
1385 PR tree-optimization/27409
1386 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1387 Do not try to find zero-sized subvars.
1389 2006-05-07 Richard Guenther <rguenther@suse.de>
1391 PR tree-optimization/27136
1392 * tree-ssa-loop-niter.c (get_val_for): Correct function
1393 comment, assert requirements.
1394 (loop_niter_by_eval): Stop processing if the iterated
1395 value did not simplify.
1397 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1399 * opts.c (flag_see): remove its setting at -O3.
1401 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1403 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1404 * arm/constraints.md: New file.
1405 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1406 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1407 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1408 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1409 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1410 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1411 * arm.md: Include constraints.md.
1412 (thumb_movsi_insn): Use satisfies_constraint_J.
1413 (movhi, movqi): Use satisfies_constraint_I.
1415 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1417 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1418 for atmeg a645 device.
1420 2006-05-06 Richard Guenther <rguenther@suse.de>
1422 PR tree-optimization/27151
1423 * tree-vect-transform.c (vectorizable_condition): Punt on
1424 values that have a different type than the condition.
1426 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1429 * c-parser.c (c_parser_cast_expression): Only insert casts into
1430 hash table if pointer.
1431 * function.c (used_types_insert_helper): Rename from
1433 (used_types_insert): Call used_types_insert_helper.
1434 * function.h (used_types_insert): Accept only one argument.
1436 2006-05-05 David Edelsohn <edesohn@gnu.org>
1438 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1439 scratch with output modifier.
1441 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1444 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1445 with output modifier.
1447 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1450 * config/mips/mips.c (mips_symbolic_address_p): Return true
1451 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1452 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1454 2006-05-04 Richard Guenther <rguenther@suse.de>
1456 PR tree-optimization/14287
1457 PR tree-optimization/14844
1458 PR tree-optimization/19792
1459 PR tree-optimization/21608
1460 PR tree-optimization/27090
1461 * tree-ssa-pre.c (try_combine_conversion): New function.
1462 (compute_avail): After constructing the value-handle
1463 expression, use try_combine_conversion to combine NOP_EXPRs
1464 with previous value-handle expressions and use the result if it
1467 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1469 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1471 2006-05-04 Jan Hubicka <jh@suse.cz>
1474 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1476 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1478 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1479 that this only matches CONST_INTs. All users changed to VOIDmode
1482 * config/bfin/bfin.c: Include "optabs.h".
1483 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1485 (enum bfin_builtins): Add a number of fractional and vector builtins.
1486 (bfin_init_builtins): Likewise.
1487 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1488 (safe_vector_operand, bfin_expand_binop_builtin,
1489 bfin_expand_unop_builtin): New functions.
1490 (bfin_expand_builtin): Handle the new builtins.
1491 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1494 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1497 * Makefile.in (OBJS-common): Add see.o.
1498 (see.o): Add dependencies.
1499 * common.opt (fsee): New flag for the see optimization was added.
1500 * opts.c (flag_see): Initialized.
1501 * passes.c (init_optimization_passes, pass_see): New pass.
1502 * rtl.h (see_main): Declaration as extern.
1503 * timevar.def (TV_SEE): New.
1504 * tree-pass.h (pass_see): Declaration as extern.
1505 * invoke.texi (-fsee): Document.
1506 * recog.c (validate_simplify_insn): New function.
1507 * recog.h (validate_simplify_insn): Declaration as extern.
1508 * df-problems.c (df_chain_dump): Check for NULL.
1510 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1511 Daniel Berlin <dberlin@dberlin.org>
1513 * cfgrtl.c (insert_insn_bb_end_new): New function.
1514 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1516 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1518 * df.h (struct web_entry): Moved from web.c.
1519 (union_defs): Declaration as extern.
1520 (unionfind_root): Likewise.
1521 (unionfind_union): Likewise.
1522 * web.c (struct web_entry): Moved to df.h.
1523 (unionfind_root): Remove static declaration.
1524 (unionfind_union): Likewise.
1525 (union_defs): Likewise and generalize to use callback function.
1526 (web_main): Update arguments for union_defs function call.
1528 2006-05-04 Richard Guenther <rguenther@suse.de>
1530 PR tree-optimization/26447
1531 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1532 produce SSA_NAME copies before the store stmt to avoid
1533 breaking exception handling.
1535 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1538 * gimplify.c (omp_is_private): If var is shared in some outer context,
1539 return false instead of true. Stop searching on parallel context
1542 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1545 * coverage.c: Use get_gcov_unsigned_t() instead of
1546 unsigned_type_node all over.
1548 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1550 PR tree-optimization/27381
1551 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1552 maintain the same immediate_use links.
1553 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1554 node rather than segfaulting.
1556 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1559 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1560 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1561 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1563 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1565 Fix PR tree-optimization/26626
1566 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1568 * tree-ssa-operands.c (access_can_touch_variable): Allow
1569 typecasting through union pointers.
1571 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1574 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1575 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1576 to find if var will be a global variable even in the nested context.
1577 (omp_copy_decl): Only check for global variable at the end, it might
1578 be overridden in outer contexts.
1579 (scan_sharing_clauses): For global variables don't create a field.
1580 (lower_rec_input_clauses): Do nothing for global shared variables.
1581 Emit a barrier at the end of ILIST if there were any decls in both
1582 firstprivate and lastprivate clauses.
1583 (lower_send_clauses): Do nothing for global variables except for
1586 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1588 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1589 of the correct signedness is returned.
1591 2006-05-02 Jeff Law <law@redhat.com>
1593 PR tree-optimization/27364
1594 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1595 multiply expressions.
1597 2006-05-02 Tom Tromey <tromey@redhat.com>
1599 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1601 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1604 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1605 -mthumb -fPIC are used.
1607 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1608 Joshua Kinard <kumba@gentoo.org>
1611 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1612 with 64-bit pointers.
1614 2006-05-02 Paul Brook <paul@codesourcery.com>
1616 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1618 (create_fix_barrier): Check that a suitable barrier location is
1620 (arm_reorg): Include ftmp->address in allowable range of addresses.
1622 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1625 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1628 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1631 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1632 around RESULT_DECL for result passed by reference.
1633 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1634 * omp-low.c (use_pointer_for_field): Don't look at
1635 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1636 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1637 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1638 time or var for passing by reference for
1639 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1640 TREE_ADDRESSABLE variables when passing by reference.
1642 * omp-low.c (dump_omp_region): Fix output formatting.
1645 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1646 (expand_omp_parallel): Likewise.
1647 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1650 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1651 on statement list containing also constructors and destructors.
1652 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1655 * except.c (duplicate_eh_regions): Fix clearing of
1656 cfun->eh->region_array entries.
1658 2006-05-01 DJ Delorie <dj@redhat.com>
1660 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1662 (gcc_cv_objdump): Likewise.
1663 * configure: Regenerated.
1665 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1668 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1669 templates for case 3 and 4.
1671 2006-05-01 DJ Delorie <dj@redhat.com>
1673 * vec.c: Include bconfig.h when appropriate.
1674 * Makefile.in (build/vec.o): Adjust dependencies.
1675 * mkconfig.sh: Make sure config.h isn't used for build machine
1678 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1680 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1682 (mark_phi_for_rewrite): New function.
1683 (insert_phi_nodes_for, mark_use_interesting): Call
1684 mark_phi_for_rewrite.
1685 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1686 (update_ssa): Initialize and free phis_to_rewrite.
1688 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1690 PR rtl-optimization/27291
1691 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1692 folded to a constant.
1694 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1696 PR tree-optimization/27283
1697 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1698 not whole # of iteration descriptions.
1699 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1700 uses abnormal ssa name.
1701 (niter_for_single_dom_exit): Ditto.
1702 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1703 return just the number of iterations.
1705 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1707 PR tree-optimization/27144
1708 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1709 (record_estimate): Only record constant upper bound.
1710 (infer_loop_bounds_from_undefined): Call
1711 compute_estimated_nb_iterations just once.
1712 (proved_non_wrapping_p): Renamed to ...
1713 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1714 (convert_step_widening, scev_probably_wraps_p): Call
1715 n_of_executions_at_most instead of proved_non_wrapping_p.
1716 (substitute_in_loop_info): Do not replace values in bounds.
1717 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1720 2006-05-01 Richard Henderson <rth@redhat.com>
1723 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1724 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1727 2006-05-01 Roger Sayle <roger@eyesopen.com>
1729 * c-typeck.c (parser_build_binary_op): Don't call the function
1730 unsigned_conversion_warning to spot operand/result type overflow.
1731 (build_binary_op): Instead, call convert_and_check instead of
1732 convert to report the problem when the operands are promoted.
1733 * c-common.c (unsigned_conversion_warning): Make static.
1734 * c-common.h (unsigned_conversion_warning): Delete prototype.
1736 2006-05-01 Richard Guenther <rguenther@suse.de>
1738 PR tree-optimization/26726
1739 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1741 (find_interesting_uses_address): ... we work around here
1742 by folding INDIRECT_REFs in the substituted base.
1744 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1746 * omp-low.c (dump_omp_region): Add newlines.
1748 2006-04-30 Roger Sayle <roger@eyesopen.com>
1750 * common.opt (Woverflow): New command line option.
1751 * c-common.c (constant_expression_warning): Check warn_overflow.
1752 (overflow_waring): Pass OPT_Woverflow to warning.
1753 (unsigned_conversion_warning): Likewise.
1754 (convert_and_check): Likewise.
1755 * doc/invoke.texi: Document new command line option.
1757 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1759 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1760 TARGET_NO_FP_IN_TOC for section anchors.
1761 (optimization_options): Enable section anchors for all
1762 non-"Objective" languages.
1764 2006-04-28 Eric Christopher <echristo@apple.com>
1766 * config/darwin-c.c (darwin_ms_struct): Move this
1767 (darwin_set_default_type_attributes): and this...
1768 * config/darwin.c: ... here.
1769 * config/darwin.h (darwin_ms_struct): Declare.
1771 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1773 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1775 2006-04-28 Roger Sayle <roger@eyesopen.com>
1778 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1779 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1780 an unsigned HOST_WIDE_INT.
1781 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1783 (really_start_incremental_init): No need to call convert because
1784 bitsize_zero_node is already of type bitsizetype.
1785 (push_init_level): Extract the value of constructor_index as an
1786 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1787 (process_init_element): Likewise.
1789 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1791 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1792 value before passing to make_relative_prefix.
1794 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1797 * builtins.c (expand_builtin_memset): Expand val in original mode.
1799 2006-04-27 Eric Christopher <echristo@apple.com>
1801 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1802 with #ifndef/#endif.
1803 * config/darwin-c.c (darwin_ms_struct): New.
1804 (darwin_pragma_ms_struct): Ditto.
1805 (darwin_set_default_type_attributes): Ditto.
1806 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1807 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1808 Register ms_struct pragma.
1809 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1810 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1811 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1812 darwin_set_default_type_attributes if TARGET_MACHO.
1814 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1816 PR tree-optimization/26854
1817 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1818 * doc/tree-ssa.texi: Update immuse iterator documentation.
1819 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1820 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1821 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1822 first_safe_imm_use, next_safe_imm_use): Remove.
1823 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1824 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1825 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1826 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1827 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1828 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1829 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1830 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1831 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1832 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1833 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1834 (perfect_nestify): Use new iterator.
1835 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1837 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1838 (next_imm_name): New field in struct immediate_use_iterator_d.
1839 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1840 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1841 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1842 * tree-cfg.c (replace_uses_by): Use new iterator.
1843 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1844 * tree-ssa-operands.c (correct_use_link): Remove.
1845 (finalize_ssa_use_ops): No longer call correct_use_link.
1847 2006-04-27 Stuart Hastings <stuart@apple.com>
1849 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1850 * config/t-darwin (crt3.o): Use it.
1851 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1852 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1853 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1854 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1855 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1858 2006-04-27 Roger Sayle <roger@eyesopen.com>
1860 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1861 size, force the intermediate into a new pseudo rather instead of
1862 performing both a bitwise AND and a bitwise IOR in memory.
1864 2006-04-27 Richard Guenther <rguenther@suse.de>
1866 PR rtl-optimization/26685
1867 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1868 this one "max-flow-memory-locations".
1870 2006-04-27 Richard Guenther <rguenther@suse.de>
1872 PR tree-optimization/25148
1873 * tree-vrp.c (compare_values): Remove code dealing with
1874 comparisons against type min/max value. Honour overflow
1875 and negative constants in code dealing with comparisons
1876 of plus and minus expressions.
1877 (value_inside_range): Use fold_binary with LE_EXPR and
1878 GE_EXPR rather than compare_values.
1880 2006-04-27 Dirk Mueller <dmueller@suse.de>
1882 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1885 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1887 * basic-block.h (safe_insert_insn_on_edge): Removed.
1888 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1890 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1891 Paolo Bonzini <bonzini@gnu.org>
1894 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1895 (simplify_and_const_int): Same.
1897 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1899 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1901 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1904 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1905 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1906 cgraph_global_info_ready.
1909 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1912 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1913 either decl or init is error_mark_node.
1916 * tree-flow.h (struct omp_region): Add sched_kind.
1917 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1918 instead of extracting omp for data.
1919 (expand_omp_for): Save extracted sched_kind.
1921 2006-04-25 Roger Sayle <roger@eyesopen.com>
1923 * expmed.c (store_bit_field): Also check whether the bitsize is
1924 valid for the machine's "insv" instruction before moving the
1925 target into a pseudo for use with the insv.
1926 * config/i386/predicates.md (const8_operand): New predicate.
1927 * config/i386/i386.md (extv, extzv, insv): Use the new
1928 const8_operand predicate where appropriate.
1930 2006-04-25 DJ Delorie <dj@redhat.com>
1932 * doc/install.texi (Specific): Clarify that this is not a list of
1933 supported hosts or targets.
1935 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1937 PR rtl-optimization/26725
1938 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1939 block's BB_DIRTY flag.
1941 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1943 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1946 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1947 to print an integer.
1949 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1951 * varasm.c (align_variable): New function.
1952 (get_block_for_decl): Apply align_variable to DECL before
1953 calculating section information.
1954 (assemble_variable): Split out alignment computation.
1956 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1958 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1961 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1963 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1964 MODE_PARTIAL_INT mode.
1965 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1966 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1968 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1969 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1971 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1973 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1975 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1976 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1977 MACFLAG_IH): Likewise.
1978 (movstricthi_1): Renamed from "*movstricthi".
1979 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1980 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1981 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1982 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1983 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1984 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1985 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1986 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1987 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1988 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1989 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1990 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1991 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1992 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1993 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1995 * doc/rtl.texi (ss_ashift): Improve wording.
1997 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1999 * dwarf2out.c (verify_marks_clear): New.
2000 (prune_unused_types): Call verify_marks_clear initially, not
2003 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2005 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2006 * doc/rtl.texi: Document them.
2007 * simplify-rtx.c (simplify_unary_operation,
2008 simplify_binary_operation_1): Don't abort when we see them.
2010 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2013 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2014 * configure.ac: Completely disregard languages that are not
2016 * configure: Regenerated.
2018 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2019 Richard Guenther <rguenther@suse.de>
2021 PR tree-optimization/27236
2022 * tree-inline.c (copy_body_r): Make sure to copy
2023 TREE_THIS_VOLATILE flag.
2025 2006-04-24 Richard Guenther <rguenther@suse.de>
2028 * tree-complex.c (update_parameter_components): Don't handle
2029 unused parameters which have no default def.
2031 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2032 Richard Guenther <rguenther@suse.de>
2034 PR tree-optimization/27218
2035 * tree-inline.c (expand_call_inline): Strip useless type
2036 conversions for the return slot address.
2038 2006-04-24 Richard Guenther <rguenther@suse.de>
2040 * cfgloop.h (struct loops): Remove unused field array. Reorder
2042 (LOOP_PREFETCH): Remove.
2044 2006-04-24 Richard Guenther <rguenther@suse.de>
2046 PR tree-optimization/22525
2047 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2048 variable, adjust types of generated expressions.
2050 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2052 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2053 (tree-vect-patterns.o): Likewise.
2055 (cselib.o): Likewise.
2056 (loop-doloop.o): Likewise.
2057 (regclass.o): Likewise.
2058 (reload1.o): Likewise.
2059 (explow.o): Replace target.h with $(TARGET_H).
2060 (ipa-prop.o): Likewise.
2061 (ipa-cp.o): Likewise.
2062 (ipa-inline.o): Likewise.
2063 (reorg.o): Likewise.
2064 (reg-stack.o): Likewise.
2066 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2068 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2070 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2072 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2074 * configure.ac: Completely disregard languages that are not
2076 * configure: Regenerated.
2079 * c-common.h (c_build_bitfield_integer_type): Declare.
2080 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2081 * c-common.c (c_build_bitfield_integer_type): ... here.
2083 2006-04-23 Roger Sayle <roger@eyesopen.com>
2086 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2087 a SImode SUBREG of a floating point register after no_new_pseudos.
2089 2006-04-23 Roger Sayle <roger@eyesopen.com>
2091 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2092 identify potentially eliminable registers to additionally catch
2093 VIRTUAL_INCOMING_ARGS_REGNUM.
2094 (addsi3): Update the conditions on when to use addsi_small_int.
2096 2006-04-23 Roger Sayle <roger@eyesopen.com>
2099 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2100 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2101 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2103 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2105 * fold-const.c (range_predecessor): Use operand_equal_p
2106 as the predicate for equality.
2107 (range_successor): Likewise.
2109 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2112 * config/soft-fp/op-common.h: Fix a typo.
2114 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2117 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2118 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2120 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2122 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2124 * doc/tm.texi: Fix a typo.
2126 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2128 * dwarf2out.c (struct die_struct): Document that die_sib makes
2129 a circular linked list.
2130 (FOR_EACH_CHILD): New.
2131 (reverse_die_lists): Delete.
2132 (reverse_all_dies): Delete.
2133 (add_dwarf_attr): Correct documentation.
2134 (remove_child_with_prev): New.
2135 (remove_child_TAG): Update for change to die_struct, use
2136 remove_child_with_prev.
2137 (add_child_die): Update for change to die_struct.
2138 (splice_child_die): Use remove_child_with_prev and add_child_die.
2139 (print_die): Use FOR_EACH_CHILD.
2140 (die_checksum): Likewise.
2141 (assign_symbol_names): Likewise.
2142 (output_location_lists): Likewise.
2143 (build_abbrev_table): Likewise.
2144 (calc_die_sizes): Likewise.
2145 (mark_dies): Likewise.
2146 (unmark_dies): Likewise.
2147 (unmark_all_dies): Likewise.
2148 (output_die): Likewise.
2149 (prune_unused_types_mark): Likewise.
2150 (prune_unused_types_walk): Likewise.
2151 (same_die_p): Update for change to die_struct.
2152 (break_out_includes): Likewise.
2153 (prune_unused_types_prune): Likewise.
2154 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2155 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2157 (dwarf2out_finish): Don't call reverse_all_dies.
2159 2006-04-21 Eric Christopher <echristo@apple.com>
2161 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2162 in comments and function names.
2164 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2167 * c-typeck.c (digest_init): Robustify.
2169 * c-typeck.c (pop_init_level): Simplify.
2171 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2173 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2175 2006-04-21 Paul Brook <paul@codesourcery.com>
2177 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2178 hardware floating point.
2180 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2182 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2185 2006-04-21 Nick Clifton <nickc@redhat.com>
2187 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2190 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2193 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2194 C++ lang type in traceback table for Objective-C++.
2196 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2198 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2200 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2202 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2205 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2206 were errors. Remove check for erroneous objects.
2208 2006-04-20 Jeff Law <law@redhat.com>
2210 PR tree-optimization/26854
2211 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2212 checking for zero or one use.
2213 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2214 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2215 * tree-ssa-reassoc.c (negate_value): Similarly.
2216 (reassociate_bb): Similarly.
2218 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2220 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2221 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2222 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2224 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2226 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2227 fp regs if the last fp arg doesn't fit in regs.
2229 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2232 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2233 that the last insn has the REG_INC note.
2235 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2236 Nathan Sidwell <nathan@codesourcery.com>
2239 * stor-layout.c (update_alignment_for_field): Do not align
2241 (place_union_field): Place union field at the start of the union.
2242 (place_field): Move ERROR_MARK check later, and use the current
2243 allocation position to maintain monotonicity.
2245 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2247 * dominance.c: Include timevar.h.
2248 (calculate_dominance_info): Use TV_DOMINANCE.
2249 * timevar.def (TV_DOMINANCE): New timevar.
2250 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2252 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2254 PR rtl-optimization/14261
2255 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2256 move would be an INSV insn.
2257 (noce_process_if_block): Don't optimize if the destination is a
2258 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2260 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2262 * config/s390/s390.md: Add comments with the instructions emitted
2263 by an insn pattern if macros are used.
2265 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2267 PR rtl-optimization/26026
2268 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2269 is a known power of two shifted left a variable amount.
2271 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2273 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2274 to hash table twice when the debug_str section has SECTION_MERGE.
2276 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2278 * config/soft-fp: New directory. From glibc.
2279 * config/soft-fp/t-softfp: New.
2280 * config/soft-fp/README: New.
2281 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2282 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2283 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2284 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2285 * config.gcc: Use rs6000/t-fprules-fpbit or
2286 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2288 * config/rs6000/sfp-machine.h: New. Based on glibc.
2289 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2291 * config/rs6000/t-fprules: Remove fp-bit rules.
2292 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2293 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2294 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2295 (softfp_wrap_start, softfp_wrap_end): New.
2297 2006-04-18 DJ Delorie <dj@redhat.com>
2299 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2301 2006-04-18 Devang Patel <dpatel@apple.com>
2303 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2305 2006-04-18 Nick Clifton <nickc@redhat.com>
2307 * config/sh/t-symbian: Add rule to build sh-c.o
2308 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2309 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2310 (sh_symbian_encode_section_info): Likewise.
2312 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2314 * builtins.c (expand_builtin_strcmp): Cover label definition of
2315 do_libcall with HAVE_cmpstrnsi.
2317 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2319 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2321 * function.h (temp_slot_p): New.
2322 (function): Change the type of x_used_temp_slots to
2323 VEC(temp_slot_p,gc) *.
2325 2006-04-18 Nick Clifton <nickc@redhat.com>
2327 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2328 flag_strength_reduce.
2330 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2332 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2336 Partial revert of revision 112637
2337 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2338 Dale Johannesen <dalej@apple.com>
2341 * regclass.c (struct reg_pref): Update documentation.
2342 (regclass): Set prefclass to NO_REGS if memory is the best option.
2343 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2345 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2347 PR tree-optimization/26821
2348 * tree-ssa-math-opts.c (get_constant_one): New.
2349 (insert_reciprocals): Use it.
2351 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2353 * dwarf2out.c (free_AT): Delete.
2354 (remove_AT): Update string ref counts.
2355 (remove_child_TAG): Don't call free_die.
2357 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2358 or DW_TAG_GNU_EINCL.
2359 (prune_unused_types_walk_attribs): Reset string refcounts.
2360 (prune_unused_types_update_strings): New.
2361 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2362 call free_die. Do call prune_unused_types_update_strings.
2363 (prune_unused_types): Empty debug_str_hash.
2365 2006-04-17 Roger Sayle <roger@eyesopen.com>
2367 * expr.c (expand_assignment): Optimize away no-op moves where the
2368 source and destination are equal and have no side-effects.
2370 2006-04-17 Richard Guenther <rguenther@suse.de>
2373 * reload.c (push_reload): Guard calls to get_secondary_mem
2376 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2378 * alias.c (reg_base_value, old_reg_base_value): Change the
2379 type to VEC(rtx,gc) *.
2380 (REG_BASE_VALUE, find_base_value, record_set,
2381 init_alias_analysis): Use VEC instead of VARRAY.
2383 * alias.c (alias_sets): Change the type to
2384 VEC(alias_set_entry,gc) *.
2385 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2386 VEC instead of VARRAY.
2387 (last_alias_set): Remove.
2389 * cgraph.h (cgraph_edge_p): New.
2390 Update the prototype of cgraph_function_versioning.
2391 * cgraphunit.c (cgraph_copy_node_for_versioning,
2392 cgraph_function_versioning): Use VEC instead of VARRAY.
2393 * ipa-cp.c (ipcp_insert_stage): Likewise.
2395 2006-04-16 Roger Sayle <roger@eyesopen.com>
2398 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2399 "A op B" or "A op C", we may need to convert A to the type of B and C.
2401 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2403 * target.h (struct gcc_target): Add mode_rep_extended.
2404 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2405 (init_num_sign_bit_copies_in_rep): Initialize it using
2407 (truncate_to_mode): Use it.
2408 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2409 * targhooks.h (default_mode_rep_extended): Declare it.
2410 * targhooks.c (default_mode_rep_extended): Define it.
2411 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2412 default_mode_rep_extended.
2413 (TARGET_INITIALIZER): Include it.
2414 * doc/tm.texi (Misc): Document it.
2415 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2416 (mips_truncated_to_mode): New function.
2418 2006-04-16 Roger Sayle <roger@eyesopen.com>
2421 * expr.c (compress_float_constant): Copy the narrow constant into
2422 a new pseudo before extending it to its final width.
2424 2006-04-16 Roger Sayle <roger@eyesopen.com>
2425 Andrew Pinski <pinskia@gcc.gnu.org>
2426 Dale Johannesen <dalej@apple.com>
2429 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2430 special case code to implement V8HImode and V16QImode with SSE2.
2432 2006-04-15 Roger Sayle <roger@eyesopen.com>
2434 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2435 trees are constructed with a suitable tree type.
2437 2006-04-15 Roger Sayle <roger@eyesopen.com>
2439 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2440 (integer_onep): Likewise.
2441 (integer_all_onesp): Likewise.
2442 (integer_pow2p): Likewise.
2443 (integer_nonzerop): Likewise.
2444 (real_zerop): Likewise.
2445 (real_onep): Likewise.
2446 (real_twop): Likewise.
2447 (real_minus_onep): Likewise.
2448 (int_size_in_bytes): Likewise.
2449 (host_integerp): Likewise.
2451 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2453 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2454 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2455 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2457 * tree-ssa-structalias.h (alias_info): Remove num_references.
2459 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2461 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2462 (output_bvb patterns): Likewise.
2463 * pa.c (output_bb): Use 'bb' insn for long branch case.
2464 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2465 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2466 1. Correct length operand for alternatives 1 and 2.
2467 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2468 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2470 2006-04-14 Roger Sayle <roger@eyesopen.com>
2472 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2473 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2474 were accidentally reverted by r112959.
2476 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2479 * except.h (eh_region_outermost): New prototype.
2480 * except.c (eh_region_outermost): New function.
2481 * tree-cfg.c (find_outermost_region_in_block): Use it.
2483 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2485 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2487 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2488 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2489 (init_reload, reload): Use VEC instead of VARRAY.
2490 * reload.h: Update the prototype for
2491 reg_equiv_memory_loc_varray.
2493 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2494 Eric Botcazou <ebotcazou@libertysurf.fr>
2496 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2499 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2502 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2503 to expand fallback builtin function call.
2505 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2508 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2509 and emit libcall here in case the builtin fails.
2510 (expand_builtin_strcmp): Always emit the libcall here on failure.
2512 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2514 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2515 * flow.c (reg_n_info): Change the type to
2516 VEC(reg_info_p,heap) *.
2517 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2519 * regs.h (reg_info_p): New.
2520 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2521 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2522 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2525 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2527 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2529 * params.h (MAX_SCHED_READY_INSNS): New macro.
2530 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2531 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2532 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2533 the ready list for 1 cycle during the first scheduling pass.
2534 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2536 2006-04-13 Richard Henderson <rth@redhat.com>
2539 * gimple-low.c (lower_omp_directive): Remove dead code.
2540 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2541 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2542 * omp-low.c (struct omp_region): Move to tree-flow.h.
2543 (root_omp_region): Export.
2544 (omp_regions, lookup_omp_region): Remove.
2545 (determine_parallel_type): Update for struct omp_region changes.
2546 (dump_omp_region): Dump regions with block numbers.
2547 (new_omp_region): Take type and block instead of stmt; malloc
2549 (free_omp_region_1, free_omp_regions): New.
2550 (expand_parallel_call): Take entry_stmt as argument; update for
2551 changes to omp_region.
2552 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2553 (remove_exit_barriers): New.
2554 (expand_omp_parallel): Update for struct omp_region changes.
2555 (expand_omp_synch): Likewise.
2556 (expand_omp): Likewise.
2557 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2558 (expand_omp_for_static_chunk): Likewise.
2559 (expand_omp_for): Likewise.
2560 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2561 (expand_omp_sections): Similarly, with GOMP_sections_end.
2562 (expand_omp_single): New.
2563 (build_omp_regions_1): Update for OMP_CONTINUE.
2564 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2565 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2566 OMP_SECTIONS_SECTIONS.
2567 (lower_omp_single_simple): Don't emit barrier here.
2568 (lower_omp_single_copy): Likewise.
2569 (lower_omp_single): Fix bindings, and lower to straightline now.
2570 (lower_omp_master, lower_omp_ordered): Likewise.
2571 (lower_omp_critical): Likewise.
2572 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2573 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2574 omp edges, free it afterward.
2575 (make_omp_sections_edges): Remove.
2576 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2577 (move_stmt_r): Handle OMP_CONTINUE.
2578 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2579 statement pointers to basic blocks. Add type member.
2580 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2581 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2582 * tree-inline.c (estimate_num_insns_1): Likewise.
2583 * tree-pretty-print.c (dump_generic_node): Likewise.
2584 * tree-ssa-operands.c (get_expr_operands): Likewise.
2585 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2586 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2587 (OMP_CONTINUE): New.
2588 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2589 (OMP_SECTIONS_SECTIONS): Remove.
2590 (OMP_SECTION_LAST): New.
2591 (OMP_RETURN_NOWAIT): New.
2593 2006-04-13 Roger Sayle <roger@eyesopen.com>
2595 * fold-const.c (native_encode_vector, native_interpret_real):
2596 Correct obvious mistakes in the previous check-in.
2598 2006-04-13 Roger Sayle <roger@eyesopen.com>
2600 * fold-const.c (native_encode_expr): New function to encode
2601 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2602 or VECTOR_CST into a specified buffer.
2603 (native_encode_int): New function.
2604 (native_encode_real): New function.
2605 (native_encode_complex): New function.
2606 (native_encode_vector): New function.
2607 (native_interpret_expr): Inverse of native_encode_expr to convert
2608 a target representation into an INTEGER_CST, REAL_CST etc...
2609 (native_interpret_int): New function.
2610 (native_interpret_real): New function.
2611 (native_interpret_complex): New function.
2612 (native_interpret_vector): New function.
2613 (fold_view_convert_expr): New function to constant fold/evaluate
2614 a VIEW_CONVERT_EXPR of a suitable constant expression.
2615 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2616 Change call of build1 to fold_build1 when constructing a
2619 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2620 Ulrich Weigand <uweigand@de.ibm.com>
2623 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2626 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2629 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2630 optimize to lo_sum for DFmode if !TARGET_FPRS.
2632 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2634 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2635 delete_alias_info, compute_flow_sensitive_aliasing,
2636 group_aliases): Use VEC instead of VARRAY.
2637 * tree-ssa-structalias.c (update_alias_info): Likewise.
2638 * tree-ssa-structalias.h (alias_info): Change the type of
2639 processed_ptrs to VEC(tree,heap) *.
2641 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2644 * config/sh/lib1funcs.h: New file, broken out of:
2645 * config/sh/lib1funcs.asm.
2646 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2648 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2649 * config/sh/lib1funcs-Os-4-200.asm: New file.
2650 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2651 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2652 (EXTRA_MULTILIB_PARTS): Include it.
2653 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2654 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2655 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2656 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2659 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2661 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2662 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2663 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2665 * tree-ssa-live.h: Include vecprim.h.
2666 (tree_partition_associator_d): Change the type of
2667 first_partition to VEC(int,heap) *.
2668 (tpa_first_partition): Use VEC instead of VARRAY.
2670 * Makefile.in (GTFILES): Move functions.h after tree.h.
2671 * function.c (reset_block_changes, record_block_change,
2672 check_block_change, free_block_changes): Use VEC instead of
2674 * function.h (function): Change the type of
2675 ib_boundaries_block to VEC(tree,gc) *.
2676 * tree-inline.c (copy_cfg_body): Initialize
2677 ib_boundaries_block to NULL instead of (varray_type) 0.
2679 2006-04-12 Roger Sayle <roger@eyesopen.com>
2681 * expr.c (emit_group_store): Correct operand order in call to
2682 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2683 a SUBREG_BYTE of zero.
2685 2006-04-12 Richard Guenther <rguenther@suse.de>
2687 * profile.c (compute_branch_probabilities): Remove code
2688 encapsulated in !ir_type (), which are remanents of the
2689 removed RTL profiling code.
2690 * rtl-profile.c: Remove.
2692 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2694 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2695 magic NULL_RTX comment.
2696 (function_arg): Store entire fp arg to mem if any part should go
2698 (rs6000_arg_partial_bytes): Adjust for above change.
2700 2006-04-11 Roger Sayle <roger@eyesopen.com>
2702 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2703 if it hasn't been initialized by dwarf2out_init.
2705 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2707 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2708 symbolic constants in branch patterns.
2710 2006-04-11 Roger Sayle <roger@eyesopen.com>
2712 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2714 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2716 PR rtl-optimization/27073
2717 * gcse.c (try_replace_reg): Revert last change. Continue to search
2718 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2721 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2723 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2724 aggregate types other than record and union types.
2725 (function_arg): Likewise.
2726 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2728 (function_value): In 64-bit mode, return objects that require it
2731 2006-04-11 Roger Sayle <roger@eyesopen.com>
2733 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2735 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2737 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2739 2006-04-03 Jeff Law <law@redhat.com>
2742 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2743 alias information too.
2745 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2747 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2749 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2752 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2753 (premark_used_types_helper): New.
2754 (premark_used_types): New.
2755 (gen_subprogram_die): Call premark_used_types.
2756 (prune_unused_types_walk): Do not prune perennial dies.
2757 * function.c (used_types_insert): New.
2758 * function.h (struct function): Add used_types_hash field.
2759 (used_types_insert): Add prototype.
2760 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2761 * c-parser.c (c_parser_cast_expression): Save casted types in used
2764 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2767 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2768 rs6000_explicit_options.float_gprs.
2770 2006-04-10 Roger Sayle <roger@eyesopen.com>
2772 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2773 from ix86_expand_vector_init_low_nonzero. Take an additional
2774 one_var argument indicating which element is non-zero. Support
2775 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2776 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2777 with one_var instead of ix86_expand_vector_init_low_nonzero.
2779 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2781 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2782 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2783 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2784 build/genextract.o): Depend on vecprim.h.
2785 * cfglayout.c, df-problems.c, function.c, genextract.c,
2786 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2787 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2791 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2793 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2794 Declare VECs of this type.
2795 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2796 (remove_children): Delete.
2797 (add_dwarf_attr): Use VEC routines.
2798 (add_AT_flag): Update for changes to add_dwarf_attr.
2799 (add_AT_int): Likewise.
2800 (add_AT_unsigned): Likewise.
2801 (add_AT_long_long): Likewise.
2802 (add_AT_vec): Likewise.
2803 (add_AT_string): Likewise.
2804 (add_AT_die_ref): Likewise.
2805 (add_AT_fde_ref): Likewise.
2806 (add_AT_loc): Likewise.
2807 (add_AT_loc_list): Likewise.
2808 (add_AT_addr): Likewise.
2809 (add_AT_lbl_id): Likewise.
2810 (add_AT_lineptr): Likewise.
2811 (add_AT_macptr): Likewise.
2812 (add_AT_offset): Likewise.
2813 (add_AT_range_list): Likewise.
2814 (get_AT): Use VEC_iterate.
2815 (remove_AT): Use VEC_ordered_remove.
2816 (free_die): Fold remove_children into here; have it use VEC_iterate.
2817 (print_die): Use VEC_iterate on attrs.
2818 (reverse_die_lists): Don't reverse attr lists.
2819 (die_checksum): Use VEC_iterate on attrs.
2820 (same_die_p): Likewise.
2821 (output_location_lists): Likewise.
2822 (build_abbrev_table): Likewise.
2823 (size_of_die): Likewise.
2824 (unmark_all_dies): Likewise.
2825 (output_abbrev_section): Likewise.
2826 (output_die): Likewise.
2827 (prune_unused_types_walk_attribs): Likewise.
2829 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2831 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2833 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2836 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2838 2006-04-09 Roger Sayle <roger@eyesopen.com>
2840 * expr.c (store_constructor): Don't bother clearing target if
2841 we're about to assign a vector to it using vec_init_optab.
2843 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2845 * tree-ssa-alias.c (lhs_may_store_to): New function.
2846 (recalculate_used_alone): Handle LHS of calls.
2848 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2852 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2853 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2854 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2855 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2856 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2857 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2858 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2859 stubs. Add ".align 8" directives before all ".dword" directives.
2860 (GTHREAD_USE_WEAK): Revise comment.
2861 (TARGET_ATTRIBUTE_WEAK): Define.
2862 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2863 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2864 * stublib.c: New file.
2869 * pa.md (cbranch patterns): Revise arguments used in calls to
2870 output_cbranch, output_bb and output_bvd. Add long branch length
2872 (fbranch patterns): Handle long branches.
2873 (jump): Revise length check. Revise arguments for output_lbranch call.
2874 Add long branch length attributes.
2875 (decrement_and_branch_until_zero): Add long branch length attributes.
2876 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2877 Likewise. Revise arguments for output_parallel_addb and
2878 output_parallel_movb calls.
2879 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2880 output_parallel_movb and output_parallel_addb): Update prototypes.
2881 * pa.c (output_cbranch): Revise arguments. Correct handling of
2882 nullification in long branches.
2883 (output_lbranch): Add new argument to control extraction of delay
2885 (output_bb): Handle long branches.
2886 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2887 output_parallel_addb): Likewise.
2889 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2891 PR rtl-optimization/27073
2892 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2895 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2897 * tree.h (tree_memory_tag): Add old_used_alone.
2898 (SMT_OLD_USED_ALONE): New macro.
2899 * tree-ssa-alias.c (recalculate_used_alone): Stop
2900 marking things for renaming unnecessarily.
2902 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2904 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2905 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2906 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2907 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2908 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2909 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2910 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2911 spelling convensions.
2912 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2913 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2914 typos. Follow spelling conventions.
2916 2006-04-07 DJ Delorie <dj@redhat.com>
2918 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2919 passed on the stack.
2920 (m32c_init_cumulative_args): When a function returns a structure,
2921 always pass the pointer to that return area on the stack.
2922 (m32c_function_arg_advance): Don't increment the parameter number
2923 if we're processing the returned structure pointer.
2924 (pushm_info): Reverse order of registers.
2926 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2928 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2929 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2930 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2931 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2933 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2934 chrec_fold_multiply): Same.
2935 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2936 force_expr_to_var_cost): Same.
2937 * tree-mudflap.c (mf_xform_derefs_1): Same.
2938 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2940 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2942 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2943 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2946 2006-04-07 Jan Hubicka <jh@suse.cz>
2948 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2950 2006-04-07 Richard Guenther <rguenther@suse.de>
2952 PR tree-optimization/26135
2953 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2954 loads for store copy-prop.
2955 (copy_prop_visit_stmt): Likewise.
2957 2006-04-05 Robert Millan <robertmh@gnu.org>
2959 * config/i386/linux.h: Add a comment to mark macros that are
2960 being overriden in config/k*bsd-gnu.h.
2961 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2963 * config/knetbsd-gnu.h: Ditto.
2965 2006-04-06 Jan Hubicka <jh@suse.cz>
2969 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2972 2006-04-06 Mike Stump <mrs@apple.com>
2974 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2975 for HAVE_nonlocal_goto to be consistent.
2976 (expand_builtin_nonlocal_goto): Likewise.
2977 (expand_builtin_strcmp): Use #ifdef instead of #if
2978 for HAVE_cmpstrnsi to be consistent.
2980 2006-04-05 DJ Delorie <dj@redhat.com>
2982 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2985 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2987 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2988 got-relative addressing for anything but SImode.
2990 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2991 even if the calling function doesn't modify them.
2993 2006-04-05 Richard Guenther <rguenther@suse.de>
2995 PR tree-optimization/26919
2996 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2997 to cgraph_estimate_size_after_inlining.
2999 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3001 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3003 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3005 PR tree-optimization/26996
3006 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3007 VECTOR_TYPE variables.
3009 2006-04-05 Richard Guenther <rguenther@suse.de>
3011 PR tree-optimization/26763
3012 * fold-const.c (fold_comparison): Move folding of
3013 PTR + CST CMP PTR + CST ...
3014 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3016 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3018 * doc/install.texi (Prerequisites): Refine some wording on
3019 bootstrapping and ksh.
3020 Move the version numbers of DejaGnu here from the testing section
3021 and fix casing of names.
3022 Fix markup and clarify wording for autogen requirements.
3023 Refer to GCJ instead of just java.
3024 Refer to SVN instead of CVS.
3025 Describe diffutils as useful instead of necessary.
3026 (Downloading the source): Refer to SVN instead of CVS.
3027 Adjust a link to our web site accordingly.
3028 (Configuration): Fix casing of Bison.
3029 (Building): Refer to SVN instead of CVS.
3030 Fix a sentence on the use of Bison and remove duplicate (and
3031 incorrect) version number of Bison requirement.
3032 Remove one redundant list of packages needed for building.
3033 (Specific): Avoid reference to CVS.
3035 2006-04-04 Eric Christopher <echristo@apple.com>
3037 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3038 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3039 (rs6000_handle_struct_attribute): New.
3040 (rs6000_ms_bitfield_layout_p): Ditto.
3042 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3044 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3045 NULL for dso parameter to atexit_common.
3047 2006-04-04 Eric Christopher <echristo@apple.com>
3049 * config/i386/i386.c (machopic_output_stub): Output \t
3050 between instructions and operands.
3052 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3054 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3055 satisfies_constraint_[IL] to explicit tests on value.
3057 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3059 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3060 set_nb_iterations_in_loop): Use build_int_cst instead of
3062 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3063 build_int_cst instead of convert.
3065 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3067 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3068 new value 2 for incoming.
3069 * function.c (expand_function_start): Call struct_value_rtx
3071 * config/sparc/sparc.md: Comment updated_return.
3072 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3073 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3074 struct return if sparc_std_struct_return and incoming is 2.
3075 (print_operand): Do not adjust return if
3076 sparc_std_struct_return.
3078 2006-04-04 Roger Sayle <roger@eyesopen.com>
3080 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3081 convert in the middle-end.
3082 * expr.c (store_expr, store_constructor, get_inner_reference,
3083 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3085 * tree.c (build_range_type): Likewise.
3087 2006-04-04 Tom Tromey <tromey@redhat.com>
3089 * doc/install.texi (Prerequisites): Mention jar.
3091 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3093 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3096 2006-04-04 Matthias Klose <doko@debian.org>
3098 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3099 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3102 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3104 * doc/extend.texi (Function Attributes): Rewrite visibility
3105 attribute documentation.
3106 * doc/invoke.texi (C++ Dialect Options): Rewrite
3107 -fvisibility-inlines-hidden documentation to describe something
3108 entirely different, although in practise compatible.
3109 (Code Gen Options): Warn about system headers in -fvisibility=
3112 * doc/extend.texi (Other Builtins): Document that
3113 __builtin_nan is a compile-time constant only when its argument
3116 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3118 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3119 trying to remove TRUNCATE check if all bits outside the new mode
3120 are identical to the sign bit.
3122 2006-04-03 Jeff Law <law@redhat.com>
3124 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3125 and operand scanning in some common cases.
3127 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3128 Dale Johannesen <dalej@apple.com>
3131 * regclass.c (struct reg_pref): Update documentation.
3132 (regclass): Set prefclass to NO_REGS if memory is the best option.
3133 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3134 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3135 into account. For non-registers, equate an empty preferred
3136 reload class to a `!' in the constraint; move the if clause to
3137 do so after those that reject the insn.
3138 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3140 (find_dummy_reload): Likewise.
3141 * doc/tm.texi (Register Classes): Document what it means
3142 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3143 * config/i386/i386.c (ix86_preferred_reload_class): Force
3144 using SSE registers (and return NO_REGS for floating-point
3145 constants) if math is done with SSE.
3146 (ix86_preferred_output_reload_class): New.
3147 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3148 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3149 * config/i386/i386.md: Remove # register preferences.
3151 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3154 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3155 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3156 the type of nb_iter.
3157 (instantiate_parameters_1): Convert the operands before calling
3158 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3159 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3161 2006-04-02 Roger Sayle <roger@eyesopen.com>
3163 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3164 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3166 * dojump.c (do_jump): Likewise.
3167 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3168 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3169 gimplify_boolean_expr): Likewise.
3170 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3171 * varasm.c (array_size_for_constructor): Likewise.
3172 * tree-object-size.c (compute_object_offset): Likewise.
3174 2006-04-02 Roger Sayle <roger@eyesopen.com>
3177 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3178 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3180 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3182 PR tree-optimization/26939
3183 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3185 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3187 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3188 at_stmt. Convert the type of operands before calling
3189 build_polynomial_chrec.
3190 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3192 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3193 (instantiate_parameters_1): Convert the type of operands before calling
3194 build_polynomial_chrec.
3195 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3196 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3197 reset_evolution_in_loop): Insert asserts to check the types of the
3199 (chrec_type): Moved...
3200 (eq_evolutions_p): Use operand_equal_p.
3201 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3202 the types of the operands.
3203 (chrec_type): ...here.
3204 * tree-data-ref.c (create_data_ref): Convert the operands before
3205 calling chrec_replace_initial_condition.
3206 (same_access_functions, analyze_subscript_affine_affine,
3207 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3208 (compute_subscript_distance, analyze_ziv_subscript,
3209 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3210 analyze_miv_subscript): Convert the operands before calling
3211 chrec_fold_minus or chrec_fold_plus.
3213 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3215 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3216 the dependence_relations vector.
3217 (compute_data_dependences_for_loop): Adjust call to
3218 compute_all_dependences.
3220 2006-04-01 Roger Sayle <roger@eyesopen.com>
3221 Richard Henderson <rth@redhat.com>
3223 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3224 gimple_boolify on the condition before calling gimplify_expr.
3226 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3228 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3229 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3230 the frame size. Update to use the new macros.
3231 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3232 * config/xtensa/ieee754-df.S: Likewise.
3234 2006-03-31 Richard Henderson <rth@redhat.com>
3236 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3237 (make_edges): ... here. Control fallthru creation with a local
3238 variable. Do not play with fake edges.
3239 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3240 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3243 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3245 * dwarf2.h (DW64_CIE_ID): Define.
3246 * dwarf2out.c (DWARF_CIE_ID): Define.
3247 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3248 length header. Use DWARF_CIE_ID.
3249 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3250 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3252 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3254 * config/sh/linux-atomic.asm: New file.
3255 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3257 2006-03-31 DJ Delorie <dj@redhat.com>
3259 * config/m32c/cond.md: Set condition flags properly throughout.
3260 * config/m32c/minmax.md: Likewise.
3261 * config/m32c/prologue.md: Likewise.
3262 * config/m32c/bitops.md: Likewise.
3263 * config/m32c/muldiv.md: Likewise.
3264 * config/m32c/mov.md: Likewise.
3265 * config/m32c/addsub.md: Likewise.
3266 * config/m32c/m32c.md: Likewise.
3267 * config/m32c/jump.md: Likewise.
3268 * config/m32c/shift.md: Likewise.
3270 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3271 conditionally output the pattern for this.
3272 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3273 (m32c_compare_redundant): New.
3274 (m32c_output_compare): New.
3275 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3277 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3278 dest, not src. Allow other 4-byte modes.
3280 2006-03-30 Denis Chertykov <denisc@overta.ru>
3282 * doc/md.texi: Refer to avr/constraints.md instead of
3285 2006-03-30 Roger Sayle <roger@eyesopen.com>
3287 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3288 signed vs. unsigned comparison failures on some hosts.
3290 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3293 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3294 change to FLOAT_REGS.
3296 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3297 (rs6000_override_options): Use it.
3298 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3299 only for -mabi=spe/no-spe and -mabi=altivec.
3301 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3303 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3306 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3308 * Makefile.in: Rename docdir to gcc_docdir.
3310 2006-03-30 Roger Sayle <roger@eyesopen.com>
3313 * expr.c (emit_group_store): Optimize group stores into a pseudo
3314 register by using a paradoxical subreg to initialize the destination
3315 if the first or last member of the group specifies a "low part".
3317 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3320 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3321 * target.h (struct gcc_target.speculate_insn): Change type of the
3322 second parameter to 'int'.
3323 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3324 the second operand of the DEPS_LIST.
3325 (copy_DEPS_LIST_list): Update reference to the second operand of the
3327 * rtl.h (alloc_DEPS_LIST): Update signature.
3328 * sched-int.h (ds_t): Change typedef to 'int'.
3329 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3331 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3333 * haifa-sched.c (try_ready): Change condition to restore
3334 non-speculative pattern of the instruction.
3335 (process_insn_depend_be_in_spec): Code to keep probability of the
3336 speculative dependence non-decreasing.
3338 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3340 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3341 (single_move_for_movmem): ... this. Also change all uses.
3342 (bfin_expand_strmov): Renamed to...
3343 (bfin_expand_movmem): ... this. Also change all uses.
3344 * config/bfin/bfin.md (movstrsi): Renamed to...
3345 (movstrsi): ...this.
3347 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3349 PR tree-optimization/26830
3351 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3352 (copy_prop_visit_stmt): Remove write-only variable ann.
3353 (init_copy_prop): Check variable loop depth here. Do not simulate
3354 memory-tag and virtual operand PHIs except for store copy prop.
3356 2006-03-30 Richard Guenther <rguenther@suse.de>
3358 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3359 variants with double arguments.
3361 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3363 * genpreds.c (write_tm_constrs_h): Delete variable p.
3364 * genconditions.c (write_header): Add tm-constrs.h to included
3366 * genpeep.c (main): Add toplev.h to included headers.
3367 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3368 (build/genpeep.o): Add toplev.h dependency.
3369 * config/rs6000/constraints.md: Add "W" constraint.
3371 2006-03-29 Roger Sayle <roger@eyesopen.com>
3373 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3374 sizes by correctly testing whether the size fits a host integer.
3375 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3376 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3377 SImode range for the default sizetype and bitsizetype.
3379 2006-03-29 Roger Sayle <roger@eyesopen.com>
3381 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3382 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3383 quickly if the argument is already of the correct type.
3384 Call fold_build1 instead of build1. Tidy up blank lines.
3386 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3388 * genemit.c (main): Add tm-constrs.h to included headers.
3389 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3390 * genpeep.c (main): Add tm-constrs.h to included headers.
3391 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3392 (write_tm_constrs_h): this and write complete file.
3393 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3394 (write_insn_preds_c): Add tm-constrs.h to included headers.
3395 (gen_constrs): New variable.
3396 (parse_option): Parse "-c".
3397 (main): Invoke write_tm_constrs_h.
3398 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3399 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3400 (object_out_file): Add tm-constrs.h dependency.
3401 (insn-emit.o): Same.
3402 (insn-output.o): Same.
3403 (insn-peep.o): Same.
3404 (insn-preds.o): Same.
3405 (insn-recog.o): Same.
3406 (tm-constsr.h): New target.
3407 (s-constrs-h): New target.
3409 * config/rs6000/constraints.md: New file.
3410 * config/rs6000/rs6000.c: Include tm-constrs.h.
3411 (num_insn_constant_wide): Convert to satisfies_constraint.
3412 (rs6000_rtx_costs): Convert to satisfies_constraint.
3413 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3414 (CONST_OK_FOR_LETTER_P): Delete.
3415 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3416 (EXTRA_CONSTRAINT): Delete.
3417 (EXTRA_MEMORY_CONSTRAINT): Delete.
3418 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3419 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3420 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3421 satisfies_constraint.
3423 * config/i386/i386.c: Include tm-constrs.h.
3425 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3427 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3428 * tree-data-ref.c (find_data_references_in_loop,
3429 compute_data_dependences_for_loop): Use pointers to VEC.
3430 (analyze_all_data_dependences): Adjust calls.
3431 * tree-data-ref.h (find_data_references_in_loop,
3432 compute_data_dependences_for_loop): Adjust declarations.
3433 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3434 compute_data_dependences_for_loop.
3436 2006-03-29 Paul Brook <paul@codesourcery.com>
3438 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3441 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3443 PR tree-optimization/26859
3444 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3446 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3447 for the step after fold_convert.
3449 2006-03-29 Paul Brook <paul@codesourcery.com>
3451 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3452 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3454 2006-03-29 Paul Brook <paul@codesourcery.com>
3457 * targhooks.c (default_narrow_bitfield): New fuction.
3458 * targhooks.h (default_narrow_bitfield): add prototype.
3459 * target.h (gcc_target): Add narrow_volatile_bitfield.
3460 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3461 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3462 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3463 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3465 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3467 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3469 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3470 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3471 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3472 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3473 (s390_function_arg_float): Allow SDmode and DDmode values to be
3474 passed in floating point registers.
3475 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3476 check with SCALAR_FLOAT_MODE_P.
3477 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3479 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3481 PR tree-optimization/25985
3482 * tree-ssa-loop-niter.c (number_of_iterations_le,
3483 number_of_iterations_ne): Make comments more precise.
3484 (number_of_iterations_cond): Add only_exit argument. Use the
3485 fact that signed variables do not overflow only when only_exit
3487 (loop_only_exit_p): New.
3488 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3489 number_of_iterations_cond.
3491 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3493 PR tree-optimization/26643
3494 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3497 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3499 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3500 (divsi3_i4_int): Likewise.
3502 2006-03-28 Roger Sayle <roger@eyesopen.com>
3504 * expr.c (emit_group_store): Only create a new pseudo reg if the
3505 quantity it needs to hold isn't already a suitable pseudo.
3507 2006-03-28 Jeff Law <law@redhat.com>
3509 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3510 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3512 2006-03-28 Roger Sayle <roger@eyesopen.com>
3514 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3515 the equivalent ~X & Y, and the symmetry related transformations.
3516 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3517 ~X & Y, and symmetry related transforms.
3519 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3521 Revert my 2006-03-27 patches.
3523 2006-03-28 Roger Sayle <roger@eyesopen.com>
3525 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3526 ~(T1)X, when T1 and T2 are integer types of the same precision
3527 and (T2)X isn't an extension.
3529 2006-03-28 Jeff Law <law@redhat.com>
3531 PR tree-optimization/26796
3532 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3533 need EH edge cleanups rather than purging them immediately.
3534 (eliminate_degenerate_phis): Handle queued EH cleanups.
3536 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3538 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3541 2006-03-27 Roger Sayle <roger@eyesopen.com>
3544 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3545 cast BIT_NOT_EXPR operand to the correct type.
3547 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3549 * tree-loop-linear.c: Don't include varray.h.
3550 (gather_interchange_stats, try_interchange_loops,
3551 linear_transform_loops): Use VEC instead of VARRAY.
3552 * lambda-mat.c: Don't include varray.h.
3553 * tree-chrec.c: Same.
3554 * lambda-trans.c: Same.
3555 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3556 VEC instead of VARRAY.
3557 * tree-vectorizer.h: Idem.
3558 * tree-data-ref.c (dump_data_references,
3559 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3560 initialize_data_dependence_relation, finalize_ddr_dependent,
3561 compute_all_dependences, find_data_references_in_loop,
3562 compute_data_dependences_for_loop, analyze_all_data_dependences,
3563 free_dependence_relation, free_dependence_relations,
3564 free_data_refs): Idem.
3565 * tree-data-ref.h (data_reference_p, subscript_p): New.
3566 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3567 VEC instead of VARRAY.
3568 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3569 (find_data_references_in_loop, compute_data_dependences_for_loop,
3570 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3571 dump_data_dependence_relations, free_dependence_relations,
3572 free_data_refs): Adjust declaration.
3573 (lambda_transform_legal_p): Move declaration here...
3574 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3575 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3576 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3577 vect_analyze_data_refs): Use VEC instead of VARRAY.
3578 * lambda.h (lambda_transform_legal_p): ...from here.
3579 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3580 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3581 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3582 tree-chrec.o): Don't depend on VARRAY_H.
3584 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3586 * rtl.def (Copyright): Update date.
3587 (DEPS_LIST): Change type of the second operand to 'int'.
3588 * target.h (Copyright): Update date.
3589 (struct gcc_target.speculate_insn): Change type of the second parameter
3591 * lists.c (Copyright): Update date.
3592 (alloc_DEPS_LIST): Change signature. Update reference to the second
3593 operand of the DEPS_LIST.
3594 (copy_DEPS_LIST_list): Update reference to the second operand of the
3596 * rtl.h (Copyright): Update date.
3597 (alloc_DEPS_LIST): Update signature.
3598 * sched-int.h (Copyright): Update date.
3599 (ds_t): Change typedef to 'int'.
3600 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3602 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3604 * haifa-sched.c (Copyright): Update date.
3605 (try_ready): Change condition to restore non-speculative pattern
3607 (process_insn_depend_be_in_spec): Code to keep probability of the
3608 speculative dependence non-decreasing.
3610 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3612 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3613 shut up the compiler.
3615 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3617 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3618 to use lib prefix for target.
3619 ($(T)libic_invalidate_array_4-200.a): Likewise.
3620 ($(T)libic_invalidate_array_4a.a): Likewise.
3622 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3623 J"orn Rennecke <joern.rennecke@st.com>
3625 * superh.opt: New file.
3626 * sh.c (boardtype, osruntime): Remove.
3627 * superh.h (SUBTARGET_OPTIONS): Remove.
3628 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3630 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3631 arguments with ^ and/or [].
3633 * config.gcc (sh-*-*): Add quoting to account for quirk of
3635 Replace == with = in enable_incomplete_targets test.
3637 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3638 with MASK_LITTLE_ENDIAN.
3640 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3641 * config/sh/sh.opt: Added to some comments.
3642 * config/sh/superh.h: Removed some chaff.
3644 * config/sh/sh.opt: Add m4-[1234]00* options.
3645 * config/sh/sh.c (sh_handle_option): Likewise.
3646 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3647 (ic_invalidate_array_4-100.o): New rule.
3648 ($(T)libic_invalidate_array_4-100.a): Likewise.
3649 (ic_invalidate_array_4-200.o): Likewise.
3650 ($(T)libic_invalidate_array_4-200.a): Likewise.
3651 (ic_invalidate_array_4a.o): Likewise.
3652 ($(T)libic_invalidate_array_4a.a): Likewise.
3653 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3654 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3656 * config/sh/crt1.asm: Merged in profiling code.
3657 * config/sh/superh.h (STARTFILE_SPEC): Override.
3658 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3659 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3660 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3662 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3663 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3664 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3666 * sh.opt (mpretend-cmove): New option.
3667 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3668 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3669 (movsicc): Add TARGET_PRETEND_CMOVE code.
3671 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3673 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3674 s390_class_max_nregs): New function prototypes.
3675 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3676 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3677 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3678 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3680 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3682 * dwarf2out.c (add_location_or_const_value_attribute): Call
3683 tree_add_const_value_attribute if nothing else works.
3684 (reference_to_unused): New.
3685 (rtl_for_decl_init): Use reference_to_unused to decide whether
3686 to output an initializer.
3688 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3691 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3692 peephole removing spe frob_di_df_2.
3694 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3696 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3697 (subscript_dependence_tester_1): Declared.
3698 (print_dir_vectors, print_dist_vectors): New.
3699 (debug_data_dependence_relation): New.
3700 (dump_data_dependence_relation): Print more details.
3701 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3702 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3703 (save_dist_v, save_dir_v, add_outer_distances,
3704 build_classic_dist_vector_1): New.
3705 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3706 Don't test for lambda_vector_lexico_pos.
3707 (same_access_functions, add_multivariate_self_dist,
3708 add_other_self_distances, dir_from_dist): New.
3709 (build_classic_dir_vector): Replace implementation almost identical to
3710 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3712 (subscript_dependence_tester_1): New.
3713 (subscript_dependence_tester): Handle the lexicographically negative
3714 distance vectors by recomputing the dependence relation.
3715 (compute_affine_dependence): Remove parameter loop_nest_depth.
3716 (compute_self_dependence): Don't call compute_subscript_distance.
3717 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3718 Add a parameter for the loop_nest.
3719 (find_loop_nest_1, find_loop_nest): New.
3720 (compute_data_dependences_for_loop): Compute the loop nest, and give
3721 up if the nest is not well formed.
3722 * tree-data-ref.h (loop_p): New.
3723 (struct data_dependence_relation): Replace size_vect field with
3724 loop_nest, a vec of loops.
3725 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3726 (DDR_LOOP_NEST): New.
3727 (print_dir_vectors, print_dist_vectors,
3728 debug_data_dependence_relation): Declared.
3729 (index_in_loop_nest): New.
3730 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3731 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3734 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3736 * simplify-rtx.c (simplify_relational_operation): Call
3737 simplify_relational_operation_1 even if mode is VOIDmode.
3739 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3741 PR tree-optimization/26804
3742 * tree.h (DECL_CALL_CLOBBERED): New macro.
3743 (tree_decl_common): Add call_clobbered_flag.
3744 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3745 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3746 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3747 (mark_non_addressable): Ditto.
3748 * tree-ssa.c (verify_call_clobbered): New function.
3749 (verify_alias_info): Use it.
3750 * tree-pass.h (pass_reset_cc_flags): New prototype.
3751 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3752 (reset_cc_flags): New function.
3753 * passes.c (init_optimization_passes): Call reset_cc_flags after
3754 initializing referenced_vars.
3756 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3757 Roger Sayle <roger@eyesopen.com>
3760 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3761 to 1.0 for non-real operands. Implement A / A optimization for
3764 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3766 * config/i386/i386.c (size_cost): Correct the comment for
3767 cost of storing fp registers.
3768 (i386_cost): Likewise.
3769 (i486_cost): Likewise.
3770 (pentium_cost): Likewise.
3771 (pentiumpro_cost): Likewise.
3772 (k6_cost): Likewise.
3773 (athlon_cost): Likewise.
3774 (k8_cost): Likewise.
3775 (pentium4_cost): Likewise.
3776 (nocona_cost): Likewise.
3777 (generic64_cost): Likewise.
3778 (generic32_cost): Likewise.
3780 2006-03-24 Denis Chertykov <denisc@overta.ru>
3782 * config/avr/avr-protos.h (extra_constraint): Delete.
3783 (extra_constraint_Q): New declaration.
3784 * config/avr/constraints.md: New file.
3785 * config/avr/avr.md: Include it.
3786 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3787 (TMP_REGNO, ZERO_REGNO): Likewise.
3788 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3789 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3790 (extra_constraint): Delete.
3791 (extra_constraint_Q): Test for memory constraint 'Q'.
3792 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3793 (REG_CLASS_FROM_LETTER): Delete.
3794 (CONST_OK_FOR_LETTER_P): Delete.
3795 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3796 (EXTRA_CONSTRAINT): Delete.
3797 (TMP_REGNO): Delete.
3798 (ZERO_REGNO): Delete.
3800 2006-03-24 Jeff Law <law@redhat.com>
3802 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3803 directly. Call mark_new_vars_to_rename slightly earlier.
3805 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3807 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3809 (gen_compile_unit_die): Use new language types for Objective-C and
3811 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3812 DW_LANG_C_plus_plus.
3815 * config/t-darwin (crt3.o): Work around bug 26840.
3816 * config/darwin-crt3.c: Rewrite.
3817 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3819 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3821 * doc/invoke.texi: Document -femit-class-debug-always
3822 * common.opt: Add -femit-class-debug-always.
3824 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3826 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3827 index and base register.
3828 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3829 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3830 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3831 REGNO_OK_FOR_INDEX_P.
3832 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3834 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3835 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3836 REG_OK_FOR_BASE_P): Definitions removed.
3838 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3841 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3842 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3843 set yet or weren't marked as local yet.
3845 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3847 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3850 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3852 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3853 (rs6000_legitimate_small_data_p): Delete.
3854 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3855 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3856 and make static. Add forward declaration. Update uses.
3857 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3858 of offsettable_memref_p.
3859 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3860 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3862 2006-03-24 Jeff Law <law@redhat.com>
3864 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3865 around bug in immediate-use iterator.
3867 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3870 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3871 or __LITTLE_ENDIAN__.
3873 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3875 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3876 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3877 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3878 * config/sh/sh.opt (mdiv=): Amend description.
3879 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3880 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3881 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3882 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3883 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3884 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3885 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3886 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3887 TARGET_DIVIDE_CALL_FP.
3889 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3891 * haifa-sched.c (choose_ready): Fix type of the local variable.
3892 Move local variables. Add comment.
3893 (check_reg_live): Change signature. Make callable from debugger.
3894 * sched-int.h (check_reg_live): Update signature.
3895 * sched-ebb.c (check_reg_live): Update parameters.
3896 * sched-rgn.c (check_reg_live): Ditto.
3897 (region_head_or_leaf_p): Check pointer before dereferencing.
3898 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3899 before reload on optimization levels below 1.
3901 2006-03-23 Richard Henderson <rth@redhat.com>
3903 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3907 * config/alpha/predicates.md (local_symbolic_operand): Reject
3910 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3913 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3914 expressions which have overflowed constants.
3916 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3918 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3920 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3922 * cfgloopmanip.c (create_loop_notes): Removed.
3923 * final.c (final_scan_insn): Do not handle loop notes.
3924 * jump.c (squeeze_notes): Ditto.
3925 * cfglayout.c (skip_insns_after_block,
3926 duplicate_insn_chain): Ditto.
3927 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3929 * cfgloop.h (create_loop_notes): Declaration removed.
3931 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3933 * varasm.c (output_constant_pool): Restore fnname and fndecl
3935 (assemble_start_function): Adjust call accordingly.
3936 (assemble_end_function): Likewise.
3938 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3941 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3944 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3946 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3949 * system.h (ICE_EXIT_CODE): New macro.
3950 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3951 (diagnostic_action_after_output): Likewise.
3952 * gcc.c (fatal_ice): New function.
3953 (execute): Use it instead of fatal.
3954 (fancy_abort): Likewise.
3955 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3957 2006-03-22 Jeff Law <law@redhat.com>
3959 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3960 iv_analyze_result returning false.
3962 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3964 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3966 2006-03-22 Richard Henderson <rth@redhat.com>
3969 * except.c (duplicate_eh_regions_0): New.
3970 (duplicate_eh_region_1): Duplicate the children of the node as
3971 well as the node itself. Link them up properly.
3972 (duplicate_eh_region_2): Merge into ...
3973 (duplicate_eh_regions): ... here. Take copy_region argument, and
3974 copy only a sub-tree if asked. Simplify copying and fixup.
3975 (eh_region_outer_p): New.
3976 * except.h (duplicate_eh_regions): Update decl.
3977 (eh_region_outer_p): Declare.
3978 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3979 (lower_omp_master): Likewise.
3980 (lower_omp_ordered): Likewise.
3981 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3982 (move_stmt_r): Use it to remap labels. Handle recursion vs
3983 remap_decls_p properly.
3984 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3985 (find_outermost_region_in_block): New.
3986 (new_label_mapper): New.
3987 (move_sese_region_to_fn): Copy eh information to the new function
3989 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3991 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3994 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3996 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3997 into shared libraries.
3999 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4001 * doc/md.texi: Refer to i386/constraints.md instead of
4003 * config/i386/constraints.md: New file, extracted from...
4004 * config/i386/predicates.md: ...here.
4005 * config/i386/i386.md: Include constraints.md.
4007 2006-03-21 Jason Merrill <jason@redhat.com>
4009 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4012 * expr.c (init_block_move_fn): Force default visibility.
4013 (init_block_clear_fn): Likewise.
4014 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4015 * targhooks.c (default_external_stack_protect_fail): Likewise.
4017 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4019 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4020 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4021 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4022 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4023 (loadgp): Use mips_current_loadgp_style.
4024 (loadgp_noshared): New pattern.
4025 (sibcall_internal): Use MIPS_CALL.
4026 (sibcall_value_internal): Likewise.
4027 (sibcall_value_multiple_internal): Likewise.
4028 (call_internal): Likewise.
4029 (call_value_internal): Likewise.
4030 (call_value_multiple_internal): Likewise.
4031 (call_split): Use MIPS_CALL and add an 'S' constraint.
4032 (call_value_split): Likewise.
4033 (call_value_multiple_split): Likewise.
4034 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4035 (-mshared): New option.
4036 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4037 (mips_current_loadgp_style): Declare.
4038 * config/mips/mips.c (mips_classify_symbol): Avoid using
4039 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4040 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4041 TARGET_ABSOLUTE_ABICALLS.
4042 (override_options): Adjust comments. Improve the warning that is
4043 issued when -mabicalls and -G are used together.
4044 (mips_file_start): Remove comment.
4045 (mips_current_loadgp_style): New function.
4046 (mips_gnu_local_gp): New variable.
4047 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4049 (mips_output_function_prologue): Use mips_current_laodgp_style.
4050 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4051 the cprestore instruction.
4052 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4053 live for TARGET_ABSOLUTE_ABICALLS.
4054 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4055 (ASM_SPEC): Pass down -mshared and -mno-shared.
4056 (MIPS_CALL): New macro.
4057 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4059 * doc/invoke.texi (-mabicalls): Update documentation.
4060 (-mshared): Document.
4062 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4064 * config/ia64/unwind-hpux.c: New file.
4065 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4067 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4070 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4072 2006-03-21 Jeff Law <law@redhat.com>
4074 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4075 type conversions of a VR_VARYING source to a wider type.
4077 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4079 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4080 tm_file on Solaris 10 and later.
4081 (sparc64-*-solaris2*): Likewise.
4082 (sparc-*-solaris2*): Likewise.
4083 * config/sol26.h: Rename to config/sol2-6.h.
4084 * config/sol2-10.h: New file.
4086 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4089 * tree-ssa-pre.c (create_component_ref_by_pieces):
4092 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4095 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4096 return it immediately.
4098 2006-03-21 Michael Matz <matz@suse.de>
4100 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4102 (remove_arc, add_arc): Update num_out_arcs member.
4103 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4105 (cache_presence): New function.
4106 (compare_states_for_equiv): New function.
4107 (state_is_differed): Don't take number of outargs, adjust callers.
4108 Use new invariant for speeding up.
4109 (init_equiv_class): Create initial classes based on sorted
4111 (partition_equiv_class): Don't track out_arcs_num.
4112 (evaluate_equiv_classes): Call cache_presence on all states and
4115 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4117 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4118 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4119 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4120 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4122 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4123 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4124 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4125 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4126 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4128 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4129 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4130 (REGNO_REG_CLASS): ARGP is in PREGS.
4131 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4133 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4134 to deal with those addresses.
4135 * addresses.h: New file.
4136 * caller-save.c: Include "addresses.h".
4137 (init_caller_save): Use new base_reg_class function.
4138 * rtl-factoring.c: Include "addresses.h".
4139 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4140 * recog.c: Include "addresses.h".
4141 (preprocess_constraints): Use new base_reg_class function.
4142 * regrename.c: Include "addresses.h".
4143 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4144 functions. Keep track of a new var INDEX_CODE to compute valid
4146 (replace_oldest_value_addr): Likewise.
4147 (replace_oldest_value_mem): Use base_reg_class.
4148 * reload.c: Include "addresses.h".
4149 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4150 (find_reloads): Use new base_reg_class function.
4151 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4152 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4153 all callers and prototype changed.
4154 * reload1.c: Include "addresses.h".
4155 (maybe_fix_stack_asms): Use base_reg_class.
4156 * regclass.c: Include "addresses.h".
4157 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4158 (init_reg_autoinc): Use new base_reg_class function.
4159 (record_reg_classes): Likewise.
4160 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4161 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4162 Use new args to compute necessary class.
4164 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4165 regrename.o, rtl-factoring.o): Update dependencies.
4166 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4167 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4168 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4169 REG_OK_FOR_INDEX_P): Delete documentation.
4171 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4173 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4174 from V7 to V9 for Solaris 7 and above.
4176 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4178 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4179 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4180 argument pointers may not alias any other storage.
4181 * common.opt: Define option -fargument-noalias-anything.
4182 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4183 alias semantics is specified by flag_argument_noalias > 2.
4185 2006-03-20 Jeff Law <law@redhat.com>
4187 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4188 (pass_phi_only_cprop): Declare.
4189 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4191 * tree-ssa-dom.c (degenerate_phi_result): New function.
4192 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4193 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4194 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4195 (eliminate_degenerate_phis): Likewise.
4196 (pass_phi_only_cprop): New pass descriptor.
4197 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4198 support code. Callers updated.
4199 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4200 (store_copy_prop): Likewise.
4201 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4203 2006-03-20 Jason Merrill <jason@redhat.com>
4206 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4207 (push_visibility, pop_visibility): Likewise.
4208 * c-pragma.h: Declare them.
4210 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4212 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4214 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4215 parameter and use get_ebb_head_tail.
4216 (sh_md_init_global): Adjust uses of find_regmode_weight.
4218 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4220 * function.h (struct function) <x_tail_recursion_reentry>:
4221 Rename to x_stack_check_probe_note.
4222 (tail_recursion_reentry): Rename to stack_check_probe_note.
4223 * function.c: Replace tail_recursion_reentry with
4224 stack_check_probe_note everywhere.
4225 (expand_function_start): Only emit a note for
4226 stack_check_probe_note with -fstack-protect.
4227 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4229 * emit-rtl.c (remove_unnecessary_notes): Remove.
4230 (pass_remove_unnecessary_notes): Remove.
4231 * rtl.h (remove_unnecessary_notes): Remove prototype.
4232 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4233 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4234 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4236 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4239 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4240 (valid_in_set): Handle ARRAY_REF.
4241 Change "if min_variant or VH" to asserts.
4242 (create_component_ref_by_pieces): Handle ARRAY_REF.
4243 (create_expression_by_pieces): Likewise.
4244 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4246 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4248 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4249 is operand of switch, not str[0].
4251 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4253 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4254 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4256 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4258 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4259 end of insn_extra_address_constraint declaration.
4261 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4263 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4264 (no-sum-in-toc): Same.
4265 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4267 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4268 NO_FP_IN_TOC for -fPIC instead of mask.
4270 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4271 (BOOT_LDFLAGS): Delete.
4273 * config/rs6000/t-aix52: Same.
4275 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4276 (stmsi[345678]_power): New.
4278 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4280 * config/ia64/ia64.opt: Add empty line to end of file.
4282 2006-03-17 Richard Guenther <rguenther@suse.de>
4285 * builtins.c (get_pointer_alignment): For component style references
4286 adjust alignment to the component type alignment. Make sure
4287 to adjust alignment for component access of constants.
4289 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4291 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4294 2006-03-17 Paul Brook <paul@codesourcery.com>
4296 * doc/install.texi: Docuemnt --with-mode.
4297 * config.gcc: Add --with-mode for arm*-*-*.
4298 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4300 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4302 * sh.c (max_labelno_before_reorg): New variable.
4303 (sh_reorg): Initialize it.
4304 (find_barrier): Check max_labelno_before_reorg before using
4305 label_to_alignment. Take length of explicit alignment insns
4306 into account. When seeing a UNSPECV_CONST_END, return it.
4308 * sh.c (fixup_mova): Set mode of affected label to QImode.
4309 (untangle_mova): New function.
4310 (find_barrier): Use it. Check mode of label before decrementing
4312 (sh_reorg): Likewise.
4313 Set mode of all insns back to VOIDmode.
4315 * sh.c (MOVA_LABELREF): New macro.
4316 (mova_p, fixup_mova, sh_reorg): Use it.
4317 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4318 ADDR_DIFF_VEC matches mova.
4320 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4322 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4323 with ATTRIBUTE_UNUSED.
4325 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4327 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4328 pointer, instead of assuming it is possible to derive the
4329 correct args size from a call insn.
4331 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4333 * rtl.h (CONST_INT_P): Define.
4334 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4335 instead of GET_CODE(x) == CONST_INT.
4336 (vax_rtx_costs): Likewise.
4337 (vax_output_int_move): Likewise.
4338 (vax_output_int_add): Likewise.
4339 (legitimate_constant_address_p): Likewise.
4340 (index_term_p): Likewise.
4341 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4342 * config/vax/vax.md (and<mode>3): Likewise.
4343 (ashrsi3): Likewise.
4345 (movstricthi): Likewise.
4346 (movstrictqi): Likewise.
4347 (rotrsi3): Likewise.
4348 (five unnamed insns): Likewise.
4350 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4352 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4353 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4354 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4355 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4356 Pass to ASM_OUTPUT_DWARF_OFFSET.
4357 * dwarf2out.c (debug_frame_section): New.
4358 (output_call_frame_info): Use debug_frame_section. Pass it to
4359 dw2_asm_output_offset.
4360 (output_die): Pass appropriate section to dw2_asm_output_offset.
4361 (output_compilation_unit_header): Likewise.
4362 (output_pubnames): Likewise.
4363 (output_aranges): Likewise.
4364 (enum dw_val_class): Break dw_val_class_lbl_offset into
4365 dw_val_class_lineptr and dw_val_class_macptr.
4366 (add_AT_lbl_offset): Delete.
4367 (add_AT_lineptr): New.
4368 (add_AT_macptr): New.
4369 (AT_lbl): Expect a lineptr or macptr.
4370 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4371 (attr_checksum): Likewise.
4372 (same_dw_val_p): Likewise.
4373 (size_of_die): Likewise.
4374 (value_format): Likewise.
4375 (output_die): Likewise.
4376 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4378 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4379 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4380 * config/darwin-protos.h (darwin_file_start): New.
4381 (darwin_asm_output_dwarf_offset): New.
4382 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4383 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4385 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4386 if not EH section; simplify.
4387 (darwin_file_start): New.
4388 (darwin_asm_output_dwarf_offset): New.
4389 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4391 (DEBUG_INFO_SECTION): Likewise.
4392 (DEBUG_ABBREV_SECTION): Likewise.
4393 (DEBUG_ARANGES_SECTION): Likewise.
4394 (DEBUG_MACINFO_SECTION): Likewise.
4395 (DEBUG_LINE_SECTION): Likewise.
4396 (DEBUG_LOC_SECTION): Likewise.
4397 (DEBUG_PUBNAMES_SECTION): Likewise.
4398 (DEBUG_STR_SECTION): Likewise.
4399 (DEBUG_RANGES_SECTION): Likewise.
4400 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4401 (ASM_OUTPUT_DWARF_OFFSET): New.
4403 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4405 * config.gcc (tm_defines): Always add to previous value rather
4408 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4410 * config/mips/predicates.md (splittable_const_int_operand): New,
4411 split from move_operand.
4412 (splittable_symbolic_operand): New.
4413 (move_operand): Add commentary. Use splittable_const_int_operand.
4414 Inline mips_atomic_symbolic_constant_p.
4415 * config/mips/mips.md: Add combine splitters for handling moves
4416 of splittable_const_int_operands and splittable_symbolic_operands.
4417 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4418 (mips_split_symbol): Declare.
4419 (mips_move_integer): Declare.
4420 * config/mips/mips.c (mips_split_p): Make global.
4421 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4422 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4423 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4424 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4425 (mips_offset_within_object_p): Handle block symbols.
4426 (mips_atomic_symbolic_constant_p): Delete.
4427 (mips_cannot_force_const_mem): Return false for constants that
4428 mips_legitimize_move can handle.
4429 (mips_use_blocks_for_constant_p): New function.
4430 (mips_split_symbol): Make global.
4431 (mips_move_integer): Likewise. Add a temporary register argument.
4432 (mips_legitimize_const_move): Use splittable_const_int_operand and
4433 splittable_symbolic_operand.
4434 (mips_use_anchors_for_symbol_p): New function.
4435 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4436 (mips_split_p): Declare.
4438 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4440 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4441 (mips*-*-linux*): Likewise.
4443 2006-03-16 Roger Sayle <roger@eyesopen.com>
4444 Daniel Speyer <dspeyer@wam.umd.edu>
4447 * tree-dump.c (dump_real): New function.
4448 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4449 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4450 (tree-dump.o): Add $(REAL_H) to the dependencies.
4452 2006-03-16 Roger Sayle <roger@eyesopen.com>
4455 * real.c (real_from_string): If the mantissa is zero, don't bother
4456 parsing the exponent as the result should always be zero.
4458 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4460 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4462 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4464 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4465 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4466 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4467 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4468 ia64_sched_finish_global): New static functions to implement
4469 hooks from gcc_target.sched.
4470 (spec_check_no, max_uid, pending_data_specs): New static variables.
4471 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4472 ia64_spec_check_src_p): New static functions.
4473 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4474 (TARGET_SCHED_ADJUST_COST): Removed.
4475 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4476 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4477 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4478 TARGET_SCHED_GEN_CHECK,
4479 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4480 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4481 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4482 Fixed to handle speculation checks.
4483 (rtx_needs_barrier): Fixed to handle speculative loads and
4485 (ia64_variable_issue): Added code to count speculative loads and their
4487 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4489 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4491 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4493 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4494 (ia64_reorg): Reset stops_p to NULL after it is freed.
4495 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4496 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4497 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4499 (data_speculative, control_speculative, check_load): New attributes.
4500 (mov<mode>_advanced, mov<mode>_speculative,
4501 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4502 zero_extend<mode>di2_speculative,
4503 zero_extend<mode>di2_speculative_advanced): New patterns for
4504 data and control speculative loads.
4505 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4507 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4508 New pattern for data and control speculation checks.
4509 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4510 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4511 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4512 Auxiliary definitions for the patterns.
4513 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4514 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4516 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4518 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4519 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4520 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4521 New resource constraints.
4522 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4524 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4525 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4526 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4527 msched-in-control-spec, msched-ldc, msched-control-ldc,
4528 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4529 msched-prefer-non-control-spec-insns,
4530 msched-count-spec-in-critical-path): New flags to tune speculative
4532 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4533 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4534 msched-in-control-spec, msched-ldc, msched-control-ldc,
4535 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4536 msched-prefer-non-control-spec-insns,
4537 msched-count-spec-in-critical-path): Document new flags.
4539 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4541 * target.h (struct spec_info_def): New opaque declaration.
4542 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4543 speculate_insn, needs_block_p, gen_check,
4544 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4545 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4546 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4547 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4548 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4549 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4551 (TARGET_SCHED): Use new macros.
4552 * rtl.h (copy_DEPS_LIST_list): New prototype.
4553 * sched-int.h (struct sched_info): Change signature of new_ready field,
4554 adjust all initializations. New fields: add_remove_insn,
4555 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4556 region_head_or_leaf_p.
4557 (struct spec_info_def): New structure declaration.
4558 (spec_info_t): New typedef.
4559 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4560 recovery_block, orig_pat.
4561 (glat_start, glat_end): New variables declaraions.
4562 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4564 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4565 DETACH_LIFE_INFO, USE_GLAT.
4566 (enum SPEC_SCHED_FLAGS): New enumeration.
4567 (NOTE_NOTE_BB_P): New macro.
4568 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4569 attach_life_info, debug_spec_status, check_reg_live): New functions.
4570 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4571 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4573 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4574 * ddg.c (get_block_head_tail): Adjust all uses.
4575 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4576 (sms_sched_info): Initialize new fields.
4577 (contributes_to_priority): Removed.
4578 * haifa-sched.c (params.h): New include.
4579 (get_block_head_tail): Adjust all uses.
4580 (ISSUE_POINTS): New macro.
4581 (glat_start, glat_end): New global variables.
4582 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4583 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4584 old_last_basic_block, before_recovery, current_sched_info_var,
4585 rgn_n_insns, luid): New static variables.
4586 (insn_cost1): New function. Move logic from insn_cost to here.
4587 (find_insn_reg_weight1): New function. Move logic from
4588 find_insn_reg_weight to here.
4589 (reemit_notes, move_insn, max_issue): Change signature.
4590 (move_insn1): Removed.
4591 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4592 extend_bb): New static functions to support extension of scheduler's
4594 (generate_recovery_code, process_insn_depend_be_in_spec,
4595 begin_speculative_block, add_to_speculative_block,
4596 init_before_recovery, create_recovery_block, create_check_block_twin,
4597 fix_recovery_deps): New static functions to support
4598 generation of recovery code.
4599 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4600 restore_bb_notes, move_block_after_check, move_succs): New static
4601 functions to support ebb scheduling.
4602 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4603 functions to support handling of register live information.
4604 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4605 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4606 add_jump_dependencies): New static functions.
4607 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4608 consistancy checking.
4609 (debug_spec_status): New function to call from debugger.
4610 (priority): Added code to handle speculation checks.
4611 (rank_for_schedule): Added code to distinguish speculative instructions.
4612 (schedule_insn): Added code to handle speculation checks.
4613 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4614 Fixed to handle ebbs.
4615 (move_insn): Added code to handle ebb scheduling.
4616 (max_issue): Added code to use ISSUE_POINTS of instructions.
4617 (choose_ready): Added code to choose between speculative and
4618 non-speculative instructions.
4619 (schedule_block): Added code to handle ebb scheduling and scheduling of
4620 speculative instructions.
4621 (sched_init): Initialize new variables.
4622 (sched_finish): Free new variables. Print statistics.
4623 (try_ready): Added code to handle speculative instructions.
4624 * lists.c (copy_DEPS_LIST_list): New function.
4625 * sched-deps.c (extend_dependency_caches): New function. Move logic
4626 from create_dependency_caches to here.
4627 (get_dep_weak, ds_merge): Make global.
4628 * genattr.c (main): Code to output prototype for
4629 dfa_clear_single_insn_cache.
4630 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4631 (output_dfa_clean_insn_cache_func): Code to output
4632 dfa_clear_single_insn_cache function.
4633 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4635 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4637 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4638 New static variables.
4639 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4640 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4642 (ebb_sched_info): Initialize new fields.
4643 (get_block_head_tail): Adjust all uses.
4644 (compute_jump_reg_dependencies): Fixed to use glat_start.
4645 (schedule_ebb): Code to remove unreachable last block.
4646 (schedule_ebbs): Added code to update register live information.
4647 * sched-rgn.c (region_sched_info): Initialize new fields.
4648 (get_block_head_tail): Adjust all uses.
4649 (last_was_jump): Removed. Adjust users.
4650 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4651 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4652 Implement new hooks.
4653 (check_dead_notes1): New static function.
4654 (struct region): New fields: dont_calc_deps, has_real_ebb.
4655 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4656 (BB_TO_BLOCK): Fixed to handle EBBs.
4657 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4658 (ebb_head): New static variable.
4659 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4660 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4662 (compute_dom_prob_ps): New assertion.
4663 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4664 global_live_at_start.
4665 (init_ready_list): New assertions.
4666 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4667 (new_ready): Add support for BEGIN_CONTROL speculation.
4668 (schedule_insns): Fixed code that updates register live information
4670 (schedule_region): Fixed to handle EBBs.
4671 (init_regions): Use extend_regions and check_dead_notes1.
4672 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4673 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4674 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4675 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4676 TARGET_SCHED_GEN_CHECK,
4677 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4678 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4679 * doc/invoke.texi (max-sched-insn-conflict-delay,
4680 sched-spec-prob-cutoff): Document.
4682 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4684 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4685 inter_tick, queue_index.
4686 (struct sched_info): Change signature of init_ready_list field.
4687 Adjust all initializations.
4688 (RESOLVED_DEPS): New access macro.
4689 (ready_add): Remove prototype.
4690 (try_ready): Add prototype.
4691 * sched-rgn.c (init_ready_list): Use try_ready.
4692 (schedule_region): Initialize
4693 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4694 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4695 (init_ready_list): Use try_ready.
4696 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4697 * lists.c (remove_list_elem): Remove `static'.
4698 (remove_free_INSN_LIST_elem): New function.
4699 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4700 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4701 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4703 (readyp): New variable.
4704 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4705 change_queue_index, resolve_dep): New static functions.
4706 (try_ready): New function. Adjust callers in sched-rgn.c and
4707 sched-ebb.c to use it instead of ready_add.
4708 (clock_var): Move at the begining of file.
4709 (rank_for_schedule): Fix typo.
4710 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4711 (ready_lastpos): Enforce assertion.
4712 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4714 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4715 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4716 (queue_to_ready): Use free_INSN_LIST_list.
4717 (early_queue_to_ready): Fix typo.
4718 (schedule_block): Init readyp. Move init_ready_list call after the
4719 initialization of clock_var. Fix error in rejecting insn by
4720 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4721 that previously corrected INSN_TICKs. Add code for handling
4723 (set_priorities): Fix typo.
4724 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4725 Clarify comment and code that keeps current_sched_info->next_tail
4728 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4730 * sched-rgn.c (extend_rgns): New static function.
4731 (find_rgns): Use it.
4732 (gather_region_statistics, print_region_statistics): New static
4734 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4735 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4737 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4738 Andrey Belevantsev <abel@ispras.ru>
4740 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4741 * lists.c (unused_deps_list): New variable.
4742 (free_list): Add assertions to verify the proper distinguishing
4743 between INSN_LISTs and DEPS_LISTs.
4744 (find_list_elem, remove_list_elem, remove_list_node): New static
4746 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4747 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4748 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4749 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4751 (free_INSN_LIST_node): Likewise.
4752 * modulo-sched.c (current_sched_info): Initialize flags field.
4753 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4754 * rtl.def (DEPS_LIST): Define.
4755 * rtl.h: Declare new functions from lists.c.
4756 * sched-deps.c (spec_dependency_cache): New static variable.
4757 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4758 (add_dependence): Change return type to void. Move the logic to ...
4759 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4760 (delete_all_dependences): Add comment about forward_dependency_cache.
4761 Handle spec_dependency_cache. Handle DEPS_LISTs.
4762 (fixup_sched_groups): Clarify the change of priority of output
4763 and anti dependencies.
4764 (sched_analyze_2): Adjust add_dependence calls to create data
4765 speculative dependence.
4766 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4767 Adjust all callers. Handle DEPS_LISTS.
4768 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4769 presence of speculation.
4770 (init_dependency_caches, free_dependency_caches):
4771 Handle spec_dependency_cache.
4772 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4773 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4774 New static functions.
4775 (add_or_update_back_dep, add_or_update_back_forw_dep,
4776 add_back_forw_dep, delete_back_forw_dep): New functions.
4777 * sched-int.h (ds_t, dw_t): New typedefs.
4778 (struct sched_info): Add new field flags.
4779 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4780 Prototype new sched-deps.c functions.
4781 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4782 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4783 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4784 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4785 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4786 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4788 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4790 * sched-rgn.c (current_sched_info): Initialize flags field.
4791 (schedule_insns): Initialize current_sched_info before the sched_init
4793 * sched-ebb.c (current_sched_info): Initialize flags field.
4794 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4795 Call add_or_update_back_dep instead of add_dependence.
4796 Create control speculative dependencies.
4797 (schedule_insns): Initialize current_sched_info before the sched_init
4800 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4802 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4804 (sh_fallback_frame_state): Likewise.
4806 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4808 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4809 Do switch on default_use_cxa_atexit.
4810 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4811 * config/darwin-crt3.o: New.
4812 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4813 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4814 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4816 * config/rs6000/t-darwin: Move crt2.o building to here.
4817 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4818 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4821 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4823 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4824 from '! xxx' to '!xxx' for coding-style conformance.
4825 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4826 (EXTRA_CONSTRAINT): Likewise.
4827 * config/vax/vax.md (four unnamed insns): Likewise.
4829 2006-03-15 Paul Brook <paul@codesourcery.com>
4831 * config/arm/arm.c (minipool_pad): New.
4832 (add_minipool_forward_ref): Include pool alignment padding in address
4834 (push_minipool_fix): Set minipool_pad.
4835 (minipool_pad): Ditto.
4837 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4839 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4840 instead of GET_CODE() == MEM and REG_P() instead of
4842 (print_operand_address): Likewise.
4843 (vax_address_cost): Likewise.
4844 (vax_rtx_costs): Likewise.
4845 (vax_notice_update_cc): Likewise.
4846 (vax_output_int_add): Likewise.
4847 (INDEX_REGISTER_P): Likewise.
4848 (BASE_REGISTER_P): Likewise.
4849 (nonindexed_address_p): Likewise.
4850 (vax_mode_dependent_address_p): Likewise.
4851 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4852 (PRINT_OPERAND): Likewise.
4853 * config/vax/vax.md (ashlsi3): Likewise.
4854 (ashlsi3): Likewise.
4855 (some more unnamed insns): Likewise.
4857 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4859 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4860 iterator-style macro.
4861 (mark_control_dependent_edges_necessary): Update the use of
4862 EXECUTE_IF_CONTROL_DEPENDENT.
4864 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4866 * config/sh/predicates.md (cache_address_operand): Special.
4867 (ua_address_operand): Likewise.
4869 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4871 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4873 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4875 2006-03-15 Andreas Schwab <schwab@suse.de>
4877 * gensupport.c (identify_predicable_attribute): Don't free p_false
4878 when it is still in use.
4880 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4882 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4883 the default setting here.
4885 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4887 * tree-pass.h (pass_cfg): Remove.
4888 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4889 * passes.c (pass_cfg): Don't run it.
4891 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4893 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4894 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4896 (stack_regs_mentioned): Update the uses of
4897 stack_regs_mentioned_data. Don't access the array beyond its
4899 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4900 Don't include gt-reg-stack.h.
4902 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4903 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4905 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4908 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4911 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4913 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4915 2006-03-14 Richard Guenther <rguenther@suse.de>
4917 PR tree-optimization/26672
4918 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4921 2006-03-14 Richard Guenther <rguenther@suse.de>
4923 PR tree-optimization/26667
4924 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4925 node for the callees. Always allow inlining if it will shrink
4928 2006-03-14 Richard Guenther <rguenther@suse.de>
4931 * builtins.c (get_pointer_alignment): Prefer alignment
4932 information from decls over that from types.
4934 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4937 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4939 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4941 * config/rs6000/rs6000.opt (mdlmzb): New option.
4942 (msched-prolog, msched-epilog): Use Var not Mask.
4943 * doc/invoke.texi (-mdlmzb): Document.
4944 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4946 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4947 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4949 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4951 PR rtl-optimization/25739
4952 * bt-load.c (augment_live_range): Free tos pointer.
4954 * gensupport.c (identify_predicable_attribute): Free
4956 * gcov.c (create_file_names): Free name pointer.
4958 2006-03-13 Roger Sayle <roger@eyesopen.com>
4961 * stmt.c (emit_case_nodes): Handle the case where the index is a
4962 CONST_INT, where the comparison mode is specified by the index type.
4964 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4966 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4969 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4971 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4972 (*branch_fp_inverted): Likewise.
4974 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4977 * omp-low.c (expand_omp_for_generic): Mark istart0
4978 and iend0 as addressable.
4980 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4982 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4984 2006-03-13 Jeff Law <law@redhat.com>
4986 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4987 virtual operands are interesting.
4988 (vrp_visit_stmt): Corresponding changes.
4990 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4992 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4994 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4995 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4996 * config/bfin/crti.S: Use it instead of __PIC__.
4997 * config/bfin/crtn.S: Likewise.
4999 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5000 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5002 Lose 'G' modifier for call operand.
5003 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5004 recognize 'G' modifier.
5006 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5009 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5010 * stmt.c (expand_case): Likewise.
5012 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5014 PR rtl-optimization/26254
5015 * loop-invariant.c (seq_insns_valid_p): New function.
5016 (move_invariant_reg): Only emit new code if it is valid.
5018 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5020 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5022 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5023 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5024 (commit_one_edge_insertion): Do not look for loop notes.
5026 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5028 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5029 flag_test_coverage out of loop.
5031 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5033 * final.c (shorten_branches): Remove outdated comment, and turn
5034 the if branch that guards it to continue.
5036 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5038 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5039 * cfgloop.h (struct loop): Remove unused fields.
5041 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5043 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5044 (-dL, -fdump-rtl-loop2): Update the dump file names
5046 * doc/invoke.texi: Update dump file names.
5048 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5050 * predict.c (estimate_probability): Remove.
5051 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5052 * basic-block.h (estimate_probability): Remove prototype.
5053 * passes.c (finish_optimization_passes): Dump branch prediction or
5054 profiling heuristics to the .profile tree dump.
5055 (init_optimization_passes): Unqueue pass_branch_prob.
5057 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5059 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5061 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5062 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5064 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5066 * function.h (frame_offset_overflow): Declare.
5067 * function.c (frame_offset_overflow): New function.
5068 (assign_stack_local_1): Call it to detect that the offset overflows.
5069 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5071 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5073 * config/sh/sh.c: Include alloc-pool.h.
5074 (label_ref_list_pool): New alloc pool.
5075 (label_ref_list_t): New type for lists of labels.
5076 (struct pool_node): Make wend a label_ref_list_t.
5077 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5079 (dump_table): Likewise.
5080 (sh_reorg): Set up the alloc pool before using add_constant and
5081 dump_table, and destroy it when finishing.
5083 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5085 * config/mips/mips.c: Remove redundant comment.
5087 2006-03-10 Jason Merrill <jason@redhat.com>
5090 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5091 the target was declared 'register'.
5093 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5095 * genpreds.c (write_insn_constraint_len): Change definition of
5096 insn_constraint_len to return size_t to match the declaration.
5098 2006-03-10 DJ Delorie <dj@redhat.com>
5100 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5102 (m32c_expand_insv): Fix test for an AND mask.
5104 2006-03-10 Richard Guenther <rguenther@suse.de>
5107 * builtins.c (get_pointer_alignment): Handle component
5108 references for field alignment.
5110 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5112 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5113 when building with libgloss.
5114 (sh*elf): Implement --without-fp option.
5115 (sh64-superh-linux*): Don't multilib.
5117 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5119 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5121 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5123 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5124 Set it when one of the replacement functions returned true.
5125 Return TODO_cleanup_cfg if cfgchanged is true.
5126 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5128 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5130 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5131 instead of gen_lowpart.
5133 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5135 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5137 (mips_output_order_conditional_branch): Declare.
5138 * config/mips/mips.h (MIPS_BRANCH): New macro.
5139 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5140 for the comparison. Use gen_condjump.
5141 (mips_output_conditional_branch): Rework interface to take the
5142 asm templates for a direct branch and the inverse of a direct branch.
5143 (mips_output_order_conditional_branch): New function.
5144 (mips_builtin_branch_and_move): New function.
5145 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5146 branch condition. Use gen_single_cc as the condition for
5147 __builtin_mips_upper_* or __builtin_mips_lower_*.
5148 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5149 Use VOIDmode for the branch condition.
5150 * config/mips/predicates.md (order_operator): New predicate.
5151 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5152 (branch_fp): Rename to...
5153 (*branch_fp): ...this. Remove mode from comparison operator.
5154 Use new mips_output_conditional_branch interface.
5155 (branch_fp_inverted): Rename to...
5156 (*branch_fp_inverted): ...this and update as for *branch_fp.
5157 (*branch_zero<mode>): Rename to...
5158 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5159 Use mips_output_order_conditional_branch. Only accept ordered
5161 (*branch_zero<mode>_inverted): Rename to...
5162 (*branch_order<mode>_inverted): ...this and update as for
5163 *branch_order<mode>.
5164 (*branch_equality<mode>): Accept zero as the second operand to
5165 the equality operator. Use the new mips_output_conditional_branch
5167 (*branch_equality<mode>_inverted): Likewise.
5168 (condjump): New expander.
5169 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5171 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5172 (bc1any2t, bc1any2f): Likewise.
5173 (single_cc): New expander.
5174 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5176 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5178 * doc/md.texi: Update documentation of MIPS constraints.
5179 * config/mips/constraints.md: New file.
5180 * config/mips/mips.md: Include it.
5181 * config/mips/mips.c (mips_char_to_class): Delete.
5182 (override_options): Don't initialize mips_char_to_class.
5183 * config/mips/mips.h (mips_char_to_class): Delete.
5184 (REG_CLASS_FROM_LETTER): Delete.
5185 (CONST_OK_FOR_LETTER_P): Delete.
5186 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5187 (EXTRA_CONSTRAINT_Y): Delete.
5188 (EXTRA_CONSTRAINT_STR): Delete.
5189 (CONSTRAINT_LEN): Delete.
5190 (EXTRA_MEMORY_CONSTRAINT): Delete.
5192 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5194 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5195 original fn's eh regions.
5197 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5199 * fold-const.c (build_range_check): Make sure to use a valid type to
5200 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5203 (range_predecessor): New static function.
5204 (range_successor): Likewise.
5205 (merge_ranges): Use them to compute predecessors and successors of
5208 2006-03-09 Roger Sayle <roger@eyesopen.com>
5211 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5212 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5214 2006-03-08 DJ Delorie <dj@redhat.com>
5216 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5217 (addpsi3): Expand to include memory operands. Remove
5218 reload-specific splits.
5219 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5220 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5221 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5222 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5223 (shift1_qi, shift1_hi, insv): New.
5224 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5225 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5226 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5228 * config/m32c/m32c-protos.h: Update as needed.
5229 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5230 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5231 Fail for unrecognized R* constraints.
5232 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5233 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5234 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5236 (m32c_init_libfuncs): New.
5237 (m32c_legitimate_address_p): Add debug wrapper.
5238 (m32c_rtx_costs): New.
5239 (m32c_address_cost): New.
5240 (conversions): Add 'B' prefix.
5241 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5242 operands, or word regnames for QI operands. 'B' prints bit
5244 (m32c_expand_setmemhi): New.
5245 (m32c_expand_movmemhi): New.
5246 (m32c_expand_movstr): New.
5247 (m32c_expand_cmpstr): New.
5248 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5249 (m32c_expand_neg_mulpsi3): Handle non-ints.
5250 (m32c_cmp_flg_0): New.
5251 (m32c_expand_movcc): New.
5252 (m32c_expand_insv): New.
5253 (m32c_scc_pattern): New.
5254 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5255 a0/a1 out of SIregs.
5256 (STORE_FLAG_VALUE): New.
5257 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5260 * config/m32c/mov.md: Make constraints more liberal.
5261 (zero_extendqihi2): Optimize r0/r1 case.
5262 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5263 * config/m32c/predicates.md (m32c_any_operand): New.
5264 (m32c_nonimmediate_operand): New.
5265 (m32c_hl_operand): New.
5266 (m32c_r3_operand): New.
5269 (memsym_operand): New.
5270 (memimmed_operand): New.
5271 (a_qi_operand): New.
5272 (m32c_eqne_operator): New.
5273 (m32c_1bit8_operand): New.
5274 (m32c_1bit16_operand): New.
5275 (m32c_1mask8_operand): New.
5276 (m32c_1mask16_operand): New.
5277 * config/m32c/blkmov.md: New file.
5278 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5280 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5282 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5283 unsigned to fix signed/unsigned comparison issue in
5284 DWARF2_FRAME_REG_OUT.
5285 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5286 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5288 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5289 of ptr into the ENABLE_CHECKING section.
5291 2006-03-08 Jeff Law <law@redhat.com>
5293 * tree-vrp.c (infer_value_range): Only count pointer uses
5294 and dereferences if -fdelete-null-pointer-checks is enabled.
5296 * tree-vrp.c (find_assert_locations): Infer value ranges for
5297 single use pointers, but do not create ASSERT_EXPRs for them.
5298 When a non-null range is inferred for a pointer, backwards
5299 propagate that range to other equivalent pointers through the
5302 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5305 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5306 language hook targets.
5307 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5308 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5309 if language hook targets were missing.
5311 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5313 * tree-ssa-opfinalize.h: Removed.
5314 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5316 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5317 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5318 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5319 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5320 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5321 finalize_ssa_v_must_def_ops): New.
5323 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5325 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5328 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5330 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5332 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5333 addresses with offsets; reorganize.
5335 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5336 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5337 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5339 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5342 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5344 2006-03-08 Ben Elliston <bje@au.ibm.com>
5346 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5348 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5351 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5354 2006-03-07 Richard Guenther <rguenther@suse.de>
5356 PR tree-optimization/26587
5357 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5359 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5361 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5363 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5365 * hooks.c (hook_bool_mode_rtx_true): New function.
5366 * hooks.h (hook_bool_mode_rtx_true): Declare.
5367 * toplev.c (compile_file): Call output_shared_constant_pool.
5368 * varasm.c (shared_constant_pool): New variable.
5369 (assemble_start_function, assemble_end_function): Remove arguments
5370 from call to output_constant_pool.
5371 (create_constant_pool): New function, split out from...
5372 (init_varasm_status): ...here.
5373 (force_const_mem): Choose between the shared and per-function constant
5374 pools. Set current_function_uses_const_pool when reusing old entries
5375 as well as when creating new ones.
5376 (mark_constant): Ignore data argument.
5377 (mark_constants): Remove pool argument.
5378 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5379 to decide whether the function uses a constant pool.
5380 (output_constant_pool_contents): New function, split out from...
5381 (output_constant_pool): ...here.
5382 (output_shared_constant_pool): New function.
5383 (init_varasm_once): Initialize shared_constant_pool.
5384 * output.h (output_constant_pool): Delete.
5385 (output_shared_constant_pool): Declare.
5386 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5387 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5389 2006-03-06 Nick Clifton <nickc@redhat.com>
5391 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5392 flag_strength_reduce.
5394 2006-03-06 Ben Elliston <bje@au.ibm.com>
5396 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5397 x86_64-*-linux* configurations.
5399 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5400 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5402 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5404 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5406 * basic-block.h: Remove the extern for
5407 rediscover_loops_after_threading.
5409 * cfgloop.c (cancel_loop): Make it static.
5410 * cfgloop.h: Remove the prototype for cancel_loop.
5412 * flow.c (recompute_reg_usage): Make it static.
5413 * rtl.h: Remove the prototype for recompute_reg_usage.
5415 * function.c (use_return_register): Make it static.
5416 * function.h: Remove the prototype.
5418 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5420 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5422 * recog.h: Remove the prototype for
5423 validate_change_maybe_volatile.
5425 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5427 * rtlanal.c (replace_reg): Remove.
5428 * rtl.h: Remove the prototype for replace_reg.
5430 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5432 * regclass.c (reg_scan_update): Remove.
5433 (reg_scan_mark_refs): Remove the last argument.
5434 * rtl.h: Remove the prototype for reg_scan_update.
5436 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5438 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5439 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5440 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5441 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5442 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5443 loop-invariant.c, omp-low.c, opts.c, passes.c,
5444 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5445 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5446 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5447 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5448 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5449 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5451 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5453 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5454 * dwarf2out.h: Remove the prototype for
5455 dwarf2out_add_library_unit_info.
5457 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5459 * tree.c (add_var_to_bind_expr): Remove.
5460 * tree.h: Remove the prototype for add_var_to_bind_expr.
5462 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5464 * regclass.c (n_non_fixed_regs): Remove.
5465 (init_reg_sets_1, globalize_reg): Remove all uses of
5467 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5469 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5471 * rtlanal.c (insns_safe_to_move_p): Remove.
5472 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5474 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5476 * expmed.c (expand_mult_add): Remove.
5477 * expr.h: Remove the prototype for expand_mult_add.
5479 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5481 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5482 and REG_SAVED_VAL_EXP constants.
5483 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5484 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5485 Handle regs stored by value.
5486 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5487 (execute_cfa_program): Handle DW_CFA_val_offset,
5488 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5489 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5490 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5491 (uw_install_context_1): Handle target regs stored by value.
5493 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5495 * tree-sra.c (tree_sra): Return todoflags;
5496 (generate_one_element): Set TODO_update_smt_usage if needed.
5497 (pass_sra): Remove TODO_update_smt_usage.
5498 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5500 (tree_ssa_forward_propagate_single_use_vars): Return
5501 TODO_update_smt_usage if we need to update SMT usage.
5502 (pass_forwprop): Remove TODO_update_smt_usage.
5504 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5506 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5507 (correct_use_link): Remove reference to get_stmt_operands.
5508 (update_stmt_operands): Likewise.
5509 (get_modify_expr_operands): New function factored out of
5510 parse_ssa_operands and get_expr_operands.
5511 Try to create V_MUST_DEFs for LHS by default.
5512 (get_expr_operands) <case MODIFY_EXPR>: Call
5513 get_modify_expr_operands.
5514 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5515 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5516 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5517 get_modify_expr_operands.
5519 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5521 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5522 * tree-flow.h: Remove the prototype for
5523 referenced_var_lookup_if_exists.
5525 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5527 PR rtl-optimization/26345
5529 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5531 2006-03-03 Roger Sayle <roger@eyesopen.com>
5533 PR tree-optimization/26524
5534 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5535 fold_convert to create a constant of the appropriate type.
5537 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5539 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5540 SYMBOL_REF_IN_BLOCK_P.
5541 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5542 of SYMBOL_FLAG_IN_BLOCK.
5543 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5544 instead of SYMBOL_REF_IN_BLOCK_P.
5545 * explow.c (use_anchored_address): Likewise.
5546 * rtl.c (rtx_size): Likewise.
5547 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5548 instead of SYMBOL_FLAG_IN_BLOCK.
5549 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5550 SYMBOL_REF_IN_BLOCK_P.
5551 (assemble_variable): Likewise.
5552 (output_constant_def_contents): Likewise.
5553 (output_constant_pool): Likewise.
5554 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5555 instead of SYMBOL_FLAG_IN_BLOCK.
5556 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5557 SYMBOL_REF_IN_BLOCK_P.
5558 (SYMBOL_REF_BLOCK): Likewise.
5559 (SYMBOL_REF_OFFSET): Likewise.
5560 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5561 SYMBOL_REF_IN_BLOCK_P.
5562 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5563 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5564 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5565 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5567 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5569 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5571 2006-03-02 Roger Sayle <roger@eyesopen.com>
5573 * simplify-rtx.c (simplify_unary_operation): When simplifying
5574 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5575 that we perform the right shift in the appropriate mode, and
5576 then extend or truncate the result to requested mode.
5578 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5580 * gengtype.c (main): Handle double_int type.
5581 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5582 * double-int.c: New file.
5583 * double-int.h: New file.
5584 * system.h: Include doubleint.h.
5585 * Makefile.in (SYSTEM_H): Include double-int.h.
5586 (double-int.o): Add.
5588 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5591 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5594 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5596 * tree-vrp.c (remove_range_assertions): Do not update statements
5599 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5601 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5603 * gcse.c (rest_of_handle_gcse): Ditto.
5604 * except.c (gate_handle_eh): Ditto.
5605 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5606 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5608 2006-03-02 Eric Christopher <echristo@apple.com>
5610 * config/i386/i386.c (machopic_output_stub): Add indirection to
5613 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5617 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5619 Sun Niagara specific optimizations.
5620 * config.gcc: Recognize niagara as target.
5621 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5622 (TARGET_CPU_niagara): Define.
5623 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5624 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5625 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5626 (ASM_CPU_SPEC): Likewise.
5627 (PROCESSOR_NIAGARA): New enum entry.
5628 (REGISTER_MOVE_COST): Handle Niagara.
5629 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5630 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5631 (sparc_override_options): Recognize "niagara", set appropriate
5632 default MASK_* values for it, and align functions to 32-bytes
5633 by default just like ULTRASPARC/ULTRASPARC3.
5634 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5635 (sparc64_initialize_trampoline): Likewise.
5636 (sparc_use_sched_lookahead): Use zero for niagara.
5637 (sparc_issue_rate): Use one for niagara.
5638 * config/sparc/niagara.md: New file.
5639 * config/sparc/sparc.md: Include it.
5640 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5641 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5642 when default cpu is niagara.
5643 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5644 (ASM_CPU_SPEC): Likewise.
5645 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5646 when default cpu is niagara.
5647 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5648 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5649 just like v9/ultrasparc/ultrasparc3.
5650 * doc/invoke.texi: Add documentation for "niagara" and improve
5651 existing documentation for ultrasparc variants.
5653 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5655 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5657 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5659 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5660 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5661 and say that only one is needed.
5662 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5663 * target.h (have_switchable_bss_sections): New hook.
5664 * explow.c (use_anchored_address): Check that the symbol is in a block.
5665 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5666 (bss_noswitch_section): New variables.
5667 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5668 (get_noswitch_section): New function.
5669 (get_block_for_section): Allow SECT to be null.
5670 (unlikely_text_section_p): Use SECTION_STYLE.
5671 (bss_initializer_p): New function.
5672 (get_variable_section): Move earlier in file. Take a new argument,
5673 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5674 Return one of the new *_sections in such cases.
5675 (get_block_for_decl): New function, extracting some logic from
5676 use_blocks_for_decl_p.
5677 (change_symbol_section): Remove in favor of...
5678 (change_symbol_block): ...this new function.
5679 (use_blocks_for_decl_p): Remove checks now performed by
5681 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5682 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5683 (emit_local, emit_bss, emit_common): ...these new functions.
5684 Return true if the alignment was honored.
5685 (emit_tls_common): New function.
5686 (asm_emit_uninitialised): Delete.
5687 (assemble_variable_noswitch): New function, split out from...
5688 (assemble_variable): ...here. Don't make decisions about common
5689 variables here. Globalize all public decls that go into non-common
5690 sections. Check whether SYMBOL_REF_BLOCK is null.
5691 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5692 (output_constant_pool): Likewise.
5693 (init_varasm_once): Initialize the new section variables.
5694 (have_global_bss_p): New function.
5695 (categorize_decl_for_section): Use bss_initializer_p.
5696 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5697 (place_block_symbol): Assert that the symbol must be in a block.
5698 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5699 (TARGET_INITIALIZER): Include it.
5700 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5701 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5702 (SECTION_MACH_DEP): Bump by two.
5703 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5704 (unnamed_section): Mention SECTION_UNNAMED in comment.
5705 (named_section): Likewise SECTION_NAMED.
5706 (noswitch_section_callback): New type.
5707 (noswitch_section): New structure.
5708 (section): Add a noswitch_section alternative.
5709 (SECTION_STYLE): New macro.
5710 (tls_comm_section, comm_section, lcomm_section): Declare.
5711 (bss_noswitch_section, have_global_bss_p): Declare.
5712 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5713 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5715 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5716 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5719 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5721 * tree-vrp.c (execute_vrp): Return value.
5722 * regrename.c (rest_of_handle_regrename): Ditto.
5723 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5724 * tree-complex.c (tree_lower_complex): Ditto.
5725 (tree_lower_complex_O0): Ditto.
5726 * tracer.c (rest_of_handle_tracer): Ditto.
5727 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5728 * postreload.c (rest_of_handle_postreload): Ditto.
5729 * tree-tailcall.c (execute_tail_recursion): Ditto.
5730 (execute_tail_calls): Ditto.
5731 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5732 * tree.h (init_function_for_compilation): Ditto.
5733 * ipa-cp.c (ipcp_driver): Ditto.
5734 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5735 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5736 * final.c (compute_alignments): Ditto.
5737 (rest_of_handle_final): Ditto.
5738 (rest_of_handle_shorten_branches): Ditto.
5739 (rest_of_clean_state): Ditto.
5740 * omp-low.c (execute_expand_omp): Ditto.
5741 (execute_lower_omp): Ditto.
5742 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5743 * ipa-reference.c (static_execute): Ditto.
5744 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5745 * reorg.c (rest_of_handle_delay_slots): Ditto.
5746 (rest_of_handle_machine_reorg): Ditto.
5747 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5748 * flow.c (recompute_reg_usage): Ditto.
5749 (rest_of_handle_remove_death_notes): Ditto.
5750 (rest_of_handle_life): Ditto.
5751 (rest_of_handle_flow2): Ditto.
5752 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5753 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5754 (do_ssa_store_ccp): Ditto.
5755 (execute_fold_all_builtins): Ditto.
5756 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5757 * modulo-sched.c (rest_of_handle_sms): Ditto.
5758 * ipa-pure-const.c (static_execute): Ditto.
5759 * cse.c (rest_of_handle_cse): Ditto.
5760 (rest_of_handle_cse2): Ditto.
5761 * web.c (rest_of_handle_web): Ditto.
5762 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5763 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5764 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5765 * tree-nrv.c (tree_nrv): Ditto.
5766 (execute_return_slot_opt): Ditto.
5767 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5768 (create_structure_vars): Ditto.
5769 * loop-init.c (rtl_loop_init): Ditto.
5770 (rtl_loop_done): Ditto.
5771 (rtl_move_loop_invariants): Ditto.
5772 (rtl_unswitch): Ditto.
5773 (rtl_unroll_and_peel_loops): Ditto.
5774 (rtl_doloop): Ditto.
5775 * gimple-low.c (lower_function_body): Ditto.
5776 (mark_used_blocks): Ditto.
5777 * tree-ssa-sink.c (execute_sink_code): Ditto.
5778 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5779 (cgraph_early_inlining): Ditto.
5780 * global.c (rest_of_handle_global_alloc): Ditto.
5781 * jump.c (cleanup_barriers): Ditto.
5782 (purge_line_number_notes): Ditto.
5783 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5784 (rest_of_handle_if_after_reload): Ditto.
5785 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5786 (tree_ssa_loop_im): Ditto.
5787 (tree_ssa_loop_unswitch): Ditto.
5788 (tree_vectorize): Ditto.
5789 (tree_linear_transform): Ditto.
5790 (tree_ssa_loop_ivcanon): Ditto.
5791 (tree_ssa_empty_loop): Ditto.
5792 (tree_ssa_loop_bounds): Ditto.
5793 (tree_complete_unroll): Ditto.
5794 (tree_ssa_loop_prefetch): Ditto.
5795 (tree_ssa_loop_ivopts): Ditto.
5796 (tree_ssa_loop_done): Ditto.
5797 * predict.c (tree_estimate_probability): Ditto.
5798 * recog.c (split_all_insns_noflow): Ditto.
5799 (rest_of_handle_peephole2): Ditto.
5800 (rest_of_handle_split_all_insns): Ditto.
5801 * tree-eh.c (lower_eh_constructs): Ditto.
5802 * regmove.c (rest_of_handle_regmove): Ditto.
5803 (rest_of_handle_stack_adjustments): Ditto.
5804 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5805 * function.c (instantiate_virtual_regs): Ditto.
5806 (init_function_for_compilation): Ditto.
5807 (rest_of_handle_check_leaf_regs): Ditto.
5808 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5809 (rest_of_handle_gcse): Ditto.
5810 * ipa-type-escape.c (type_escape_execute): Ditto.
5811 * alias.c (rest_of_handle_cfg): Ditto.
5812 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5813 * profile.c (rest_of_handle_branch_prob): Ditto.
5814 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5815 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5816 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5817 * tree-dfa.c (find_referenced_vars): Ditto.
5818 * except.c (set_nothrow_function_flags): Ditto.
5819 (convert_to_eh_region_ranges): Ditto.
5820 (rest_of_handle_eh): Ditto.
5821 * emit-rtl.c (unshare_all_rtl): Ditto.
5822 (remove_unnecessary_notes): Ditto.
5823 * except.h (set_nothrow_function_flags): Ditto.
5824 (convert_to_eh_region_ranges): Ditto.
5825 * cfgexpand.c (tree_expand_cfg): Ditto.
5826 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5827 * tree-ssa-pre.c (do_pre): Ditto.
5828 (execute_fre): Ditto.
5829 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5830 (rest_of_handle_jump2): Ditto.
5831 * tree-sra.c (tree_sra): Ditto.
5832 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5833 (execute_mudflap_function_decls): Ditto.
5834 * tree-ssa-copy.c (do_copy_prop): Ditto.
5835 (do_store_copy_prop): Ditto.
5836 * ipa-prop.h (ipcp_driver): Ditto.
5837 * cfglayout.c (insn_locators_initialize): Ditto.
5838 * tree-ssa-forwprop.c
5839 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5840 * cfglayout.h (insn_locators_initialize): Ditto.
5841 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5842 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5843 (execute_late_warn_uninitialized): Ditto.
5844 * rtl.h (cleanup_barriers): Ditto.
5845 (split_all_insns_noflow): Ditto.
5846 (purge_line_number_notes): Ditto.
5847 (unshare_all_rtl): Ditto.
5848 (remove_unnecessary_notes): Ditto.
5849 (recompute_reg_usage): Ditto.
5850 (variable_tracking_main): Ditto.
5851 * integrate.c (emit_initial_value_sets): Ditto.
5852 * integrate.h (emit_initial_value_sets): Ditto.
5853 * tree-optimize.c (execute_free_datastructures): Ditto
5854 (execute_free_cfg_annotations): Ditto.
5855 (execute_fixup_cfg): Ditto.
5856 (execute_cleanup_cfg_pre_ipa): Ditto.
5857 (execute_cleanup_cfg_post_optimizing): Ditto.
5858 (execute_init_datastructures): Ditto.
5859 * tree-object-size.c (compute_object_sizes): Ditto.
5860 * combine.c (rest_of_handle_combine): Ditto.
5861 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5862 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5863 (rest_of_handle_reorder_blocks): Ditto.
5864 (rest_of_handle_partition_blocks): Ditto.
5865 * var-tracking.c (variable_tracking_main): Ditto.
5866 * tree-profile.c (tree_profiling): Ditto.
5867 * tree-vect-generic.c (expand_vector_operations): Ditto.
5868 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5869 * sched-rgn.c (rest_of_handle_sched): Ditto.
5870 (rest_of_handle_sched2): Ditto.
5871 * basic-block.h (free_bb_insn): Ditto.
5872 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5873 * tree-cfg.c (execute_build_cfg): Ditto.
5874 (remove_useless_stmts): Ditto.
5875 (split_critical_edges): Ditto.
5876 (execute_warn_function_return): Ditto.
5877 (execute_warn_function_noreturn): Ditto.
5878 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5879 * cfgrtl.c (free_bb_for_insn): Ditto.
5880 * passes.c (execute_one_pass): Run additional
5881 todos returned by execute function.
5882 * tree-pass.h (struct tree_opt_pass): Make execute
5885 2006-03-02 Richard Guenther <rguenther@suse.de>
5887 * tree-ssa-alias.c (find_used_portions): Consider taking
5888 the address as making the variable not write-only.
5890 2006-03-02 Nick Clifton <nickc@redhat.com>
5892 * config.gcc (default_use_cxa_atexit): Extend the description of
5893 this configure variable. Set its default value to "yes" for
5894 Linux, NetBSD and ELF targets on the assumption that they will
5895 use C libraries with the __cxa_atexit function.
5897 2006-03-02 Ben Elliston <bje@au.ibm.com>
5899 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5900 parameter as unused to suppress a build warning.
5902 2006-03-02 Ben Elliston <bje@au.ibm.com>
5904 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5907 2006-03-01 Roger Sayle <roger@eyesopen.com>
5910 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5911 declared name, the weak reference name, and the typeof name.
5912 (__gthrw): Avoid expanding the declared name suffix.
5913 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5915 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5917 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5919 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5920 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5921 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5922 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5923 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5924 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5925 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5926 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5927 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5928 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5929 (DW_END_default, DW_END_big, DW_END_little): New.
5930 (DW_END_lo_user, DW_END_hi_user): Define.
5931 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5932 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5933 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5936 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5938 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5940 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5942 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5944 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5946 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5947 to 'symbol_mem_tag'.
5949 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5952 2006-03-01 Roger Sayle <roger@eyesopen.com>
5954 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5956 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5959 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5960 MACHO_DYNAMIC_NO_PIC_P.
5961 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5963 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5966 * config/darwin-protos.h (darwin_asm_output_anchor):
5968 * config/darwin-sections.def (cstring_section):
5969 Add SECTION_MERGE to the flags.
5970 (literal4_section): Likewise.
5971 (literal8_section): Likewise.
5972 (objc_selector_refs_section): Likewise.
5973 (objc_cls_refs_section): Likewise.
5974 * config/darwin.c (darwin_asm_output_anchor): New
5976 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5978 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5980 Fix PR tree-optimization/26443
5981 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5982 to todo and PROP_tmt_usage to properties_destroyed.
5983 * tree-ssa-ccp.c (pass_ccp): Ditto.
5984 (pass_store_ccp): Ditto.
5985 * tree-ssa-dom.c (pass_dominator): Ditto.
5987 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5989 * tree-ssa-operands.c: Cleanup whitespace.
5990 (get_asm_expr_operands): Move before first invocation.
5991 (get_indirect_ref_operands): Likewise.
5992 (get_tmr_operands): Likewise.
5993 (get_call_expr_operands): Likewise.
5994 (append_def): Likewise.
5995 (append_use): Likewise.
5996 (append_v_may_def): Likewise.
5997 (append_v_must_def): Likewise.
5998 (add_call_clobber_ops): Likewise.
5999 (add_call_read_ops): Likewise.
6000 (add_stmt_operand): Likewise.
6001 (add_virtual_operand): Likewise.
6002 (build_ssa_operands): Likewise.
6004 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6009 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6010 with a call expr to ...
6011 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6013 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6015 * tree-vrp.c (extract_range_from_assert): Remove special
6016 handling for types with super-types.
6018 2006-03-01 Ben Elliston <bje@au.ibm.com>
6020 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6021 and powerpc64-*-linux* configurations.
6022 * config/t-dfprules: New file.
6024 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6025 Compile dfp-bit.c from the source directory using -DWIDTH and
6026 $DFP_CFLAGS to control the compilation of that file, rather than
6027 generating width-specific versions in the build directory.
6028 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6029 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6031 2006-02-28 Zack Weinberg <zackw@panix.com>
6033 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6036 2006-02-28 Eric Christopher <echristo@apple.com>
6038 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6039 Set up IN_LIBGCC definition of TARGET_64BIT.
6040 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6042 2006-02-28 Roger Sayle <roger@eyesopen.com>
6045 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6046 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6047 cases via the construction of "expr != 0".
6049 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6051 * alias.c (alias_invariant, alias_invariant_size): Remove.
6052 (record_base_value): Remove.
6053 (memrefs_conflict_p): Don't look at alias_invariant.
6054 (end_alias_analysis): Don't free it.
6055 * alias.h (record_base_value): Remove prototype.
6057 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6058 Adam Nemet <anemet@caviumnetworks.com>
6060 * rtl.h (truncated_to_mode): Declare it.
6061 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6062 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6063 (RTL_HOOKS_INITIALIZER): Include it.
6064 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6065 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6066 reg_truncated_to_mode.
6067 * rtlanal.c (truncated_to_mode): Define it.
6068 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6070 2006-02-28 Jeff Law <law@redhat.com>
6072 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6073 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6074 the range allowed by TYPE_PRECISION.
6076 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6078 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6080 PR tree-optimization/26419
6081 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6084 2006-02-27 Zack Weinberg <zackw@panix.com>
6086 * doc/md.texi: Fix typo in previous change.
6088 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6092 2006-02-27 Zack Weinberg <zackw@panix.com>
6094 * rtl.def (define_constraint, define_register_constraint)
6095 (define_memory_constraint, define_address_constraint): New MD forms.
6096 * gensupport.c (process_rtx): Put define_constraint etc on the
6098 * genpreds.c (process_define_predicate): Adjust comment. Validate
6099 the name, and call validate_exp to validate the expression.
6100 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6101 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6102 all callers changed.
6103 (validate_exp, needs_variable, struct constraint_data)
6104 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6105 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6106 (const_dbl_constraints, constraint_max_namelen)
6107 (have_register_constraints, have_memory_constraints)
6108 (have_address_constraints, have_address_constraints)
6109 (have_extra_constraints, have_const_int_constraints)
6110 (have_const_dbl_constraints, mangle, add_constraint)
6111 (process_define_constraint, process_define_register_constraint)
6112 (write_enum_constraint_num, write_lookup_constraint)
6113 (write_insn_constraint_len, write_regclass_for_constraint)
6114 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6115 (write_insn_extra_memory_constraint)
6116 (write_insn_extra_address_constraint)
6117 (write_satisfies_constraint_fns): New.
6118 (write_tm_preds_h): If we have new-style constraint definitions,
6119 prototype the functions generated from them, and define the
6120 old constraint interface (still used by generic code) in terms of
6122 (write_insn_preds_c): If we have new-style constraint definitions,
6123 generate all relevant functions from those definitions.
6124 (main): Handle define_constraint etc.
6125 * genoutput.c (struct constraint_data, indep_constraints)
6126 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6127 (mdep_constraint_len): New data structures and functions, defined
6128 #ifdef USE_MD_CONSTRAINTS.
6129 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6130 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6131 use new logic to validate operand constraints against constraint
6133 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6135 * defaults.h: If none of the old-style constraint macros are
6136 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6137 old-style macros; and poison REG_CLASS_FROM_LETTER,
6138 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6140 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6141 * doc/md.texi: Document new constraint-definition mechanism and the
6142 C interface it provides. Remove references to old mechanism
6143 elsewhere in the document.
6144 (Machine Constraints): Use pathnames relative to gcc directory,
6145 i.e. config/ARCH/FILE. Change i386 section to refer to
6146 config/i386/predicates.md; update that section to match docstrings.
6147 * doc/tm.texi: Move all documentation of the old constraint-
6148 definition macros to their own section, clearly mark as obsolete.
6150 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6151 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6153 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6154 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6155 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6157 (splits and peepholes): Use satisfies_constraint_*.
6158 * config/i386/i386.c (memory_address_length)
6159 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6161 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6163 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6164 scalar operation to be put back into the loop.
6166 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6169 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6170 (extract_cie_info): Handle S flag in augmentation string.
6171 (execute_cfa_program): If context->signal_frame, execute also
6172 fs->pc == context->ra instructions.
6173 (uw_frame_state_for): If context->signal_frame, don't subtract one
6174 from context->ra to find FDE.
6175 (uw_update_context_1): Set context->signal_frame to
6177 (_Unwind_GetIPInfo): New function.
6178 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6179 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6181 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6182 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6183 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6184 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6185 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6186 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6187 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6188 x86_64_fallback_frame_state): Set fs->signal_frame.
6189 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6190 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6191 (frob_update_context): Likewise. Workaround missing S flag in
6192 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6193 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6194 Remove the psw_addr + 1 hack.
6196 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6198 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6199 with aggregates here.
6200 (find_func_aliases): Remove code for &<aggregate> from here.
6202 2006-02-26 Roger Sayle <roger@eyesopen.com>
6204 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6205 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6206 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6209 2006-02-26 Roger Sayle <roger@eyesopen.com>
6212 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6214 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6216 * opts.c (decode_options): Do not handle flag_strength_reduce.
6217 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6218 and OPT_fstrength_reduce.
6219 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6220 flag_prefetch_loop_arrays for being nonzero.
6221 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6223 (fprefetch-loop-arrays-rtl): Removed.
6224 (flag_prefetch_loop_arrays): Do not specify the value.
6226 * doc/passes.texi: Update documentation of loop optimizer
6228 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6229 -frerun-loop-opt): Remove.
6231 2006-02-26 Richard Guenther <rguenther@suse.de>
6233 PR tree-optimization/26421
6234 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6235 in function calls that are ADDR_EXPRs as using the whole structure.
6237 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6239 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6240 * tree-pass.h (pass_loop_optimize): Remove.
6241 * passes.c (pass_loop_optimize): Never run it.
6242 * toplev.c (backend_init): Don't call init_loop.
6243 * opts.c (flag_loop_optimize_set): Remove.
6244 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6245 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6246 the old RTL loop optimizer when profiling enabled.
6247 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6248 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6249 pre-headers for the sake of the old RTL loop optimizer.
6250 * Makefile.in: Remove all references to loop.o.
6252 * doc/invoke.texi: Remove all references to -floop-optimize
6253 and -frerun-loop-opt.
6255 2006-02-26 Zack Weinberg <zackw@panix.com>
6257 * doc/md.texi (Machine Constraints): Refer to all files with paths
6258 relative to gcc directory (i.e. config/CPU/file). Add missing
6259 @table @code ... @end table to M32C subsection.
6261 2006-02-26 Roger Sayle <roger@eyesopen.com>
6263 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6265 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6267 2006-02-26 Roger Sayle <roger@eyesopen.com>
6268 James A. Morrison <phython@gcc.gnu.org>
6271 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6272 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6273 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6274 signedness of the shift operation.
6276 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6278 PR tree-optimization/26359
6279 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6281 2006-02-25 Roger Sayle <roger@eyesopen.com>
6283 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6284 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6285 as X == 0, and some symmetry related transformations.
6286 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6288 2006-02-25 Roger Sayle <roger@eyesopen.com>
6291 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6292 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6293 symmetry related transformations. Fold (X^C1) == C2 as
6296 2006-02-25 Juergen Weigert <jw@suse.de>
6297 Richard Guenther <rguenther@suse.de>
6299 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6301 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6303 * combine.c (gen_lowpart_or_truncate): Call
6304 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6306 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6308 * doc/invoke.texi: Move -fopenmp description to "Options for
6310 Remove reference to -lgomp.
6312 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6314 * doc/install.texi: Require GNU tar version 1.14.
6316 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6318 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6319 * doc/invoke.texi (C++ Dialect Options): Document
6320 -fno-use-cxa-get-exception-ptr.
6321 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6322 * configure: Regenerate.
6323 * c.opt (fuse-cxa-get-exception-ptr): New.
6324 * c-opts.c (c_common_handle_option): Handle
6325 OPT_fuse_cxa_get_exception_ptr.
6326 * c-common.c (flag_use_cxa_atexit): Update documentation.
6327 (flag_use_cxa_get_exception_ptr): New.
6328 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6329 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6331 (C_COMMON_OVERRIDE_OPTIONS): New.
6333 2006-02-24 Roger Sayle <roger@eyesopen.com>
6336 * combine.c (try_combine): Explicitly check whether GET_CODE is
6337 a SET or a CLOBBER, instead on checking that it isn't a USE.
6339 2006-02-24 Roger Sayle <roger@eyesopen.com>
6341 * fold-const.c (fold_comparison): New subroutine of fold_binary
6342 containing transformations common to both the equality and
6343 ordering relational operators, factored out of fold_binary.
6344 (fold_binary): Separate out the equality operators (EQ_EXPR
6345 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6346 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6347 transformations common to both.
6348 (fold_div_compare): Fix latent bugs in the previously unreachable
6349 LT_EXPR and GE_EXPR cases.
6351 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6353 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6354 decl libname for clog to __clog on AIX.
6356 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6358 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6361 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6362 output traceback table for thunks. Localise rs6000_stack_info call.
6364 2006-02-23 Roger Sayle <roger@eyesopen.com>
6365 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6367 * gthr-posix.h (__gthrw): Fix typo in comment.
6369 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6371 * doc/cpp.texi (Character sets): Document that we do support
6372 input files to be in any character set.
6374 2006-02-23 Jeff Law <law@redhat.com>
6376 * tree.h (PHI_ARG_NONZERO): Remove.
6377 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6378 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6379 node to the new node.
6381 PR tree-optimization/26425
6382 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6383 min/max, then assume its varying.
6385 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6387 PR rtl-optimization/26316
6388 * rtlanal.c (enum may_trap_p_flags): New.
6389 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6390 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6391 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6392 (may_trap_after_code_motion_p): New function.
6393 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6394 (find_invariant_insn): Use may_trap_after_code_motion_p.
6395 * rtl.h (may_trap_after_code_motion_p): Declare.
6397 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6399 * emit-rtl.c (immed_double_const): Cleanup.
6401 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6403 Fix PR tree-optimization/26376
6404 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6407 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6410 * gimplify.c (omp_add_variable): Guard variable size decl test with
6411 DECL_SIZE (decl) check.
6413 2006-02-23 Richard Guenther <rguenther@suse.de>
6416 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6417 like aggregate types.
6419 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6421 * configure.ac: Add --with{,out}-long-double-128 configure option.
6422 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6423 * configure: Rebuilt.
6424 * config.in: Rebuilt.
6425 * doc/install.texi (Options specification): Document
6426 --with-long-double-128.
6428 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6429 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6430 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6431 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6433 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6435 * config/s390/s390.c (override_options): Handle
6436 TARGET_DEFAULT_LONG_DOUBLE_128.
6438 * config/alpha/alpha.c (override_options): Handle
6439 TARGET_DEFAULT_LONG_DOUBLE_128.
6441 * config/sparc/sparc.c (sparc_override_options): Handle
6442 TARGET_DEFAULT_LONG_DOUBLE_128.
6444 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6446 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6447 (real-install-headers-tar, real-install-headers-cpio)
6448 (real-install-headers-cp): New targets.
6450 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6452 * tree.h (variable_section): Delete.
6453 * varasm.c (variable_section): Delete.
6455 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6457 * install.texi: Add notes on install.texi2html.
6458 (Building in parallel): Do not use footnotes.
6460 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6463 * doc/install.texi (Configuration): Document --disable-libgomp.
6465 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6467 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6469 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6471 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6472 (vec_extractv2df_0_sse): New.
6474 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6476 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6477 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6478 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6479 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6480 to the result of the expression.
6481 (def_cfa_1): Adjust.
6482 (frame_pointer_cfa_offset): Rename to...
6483 (frame_pointer_fb_offset): ... this. Adjust all uses.
6484 (convert_cfa_to_loc_list): Rename to...
6485 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6486 Pass it on to build_cfa_loc.
6487 (compute_frame_pointer_to_cfa_displacement): Rename to...
6488 (compute_frame_pointer_to_fb_displacement): ... this. New
6489 offset parameter. Use it in computation.
6490 (gen_subprogram_die): Compute cfa_fb_offset with the new
6491 macro, and use it to compute the fb loc list and the
6494 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6496 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6497 replaced with register_operand.
6498 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6499 non-DREG is expensive.
6500 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6501 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6504 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6506 * doc/install.texi2html: Use set -e.
6508 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6510 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6511 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6512 * doc/invoke.texi (-fshared-data): Delete.
6513 * common.opt (fshared-data): Delete.
6514 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6515 (assemble_static_space): Remove #if 0 code.
6516 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6517 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6518 * config/cris/cris.h: Remove FIXME.
6520 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6522 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6525 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6528 * combine.c (simplify_shift_const_1): Disable nested shifts
6529 optimization for vector shifts.
6531 2006-02-20 Roger Sayle <roger@eyesopen.com>
6533 PR tree-optimization/26361
6534 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6535 of unsigned integer types.
6537 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6539 * tree-chrec.c (eq_evolutions_p): New.
6540 * tree-chrec.h (eq_evolutions_p): Declared.
6541 * tree-data-ref.c: Fix formatting.
6542 (datadep_stats, dependence_stats): New.
6544 (print_direction_vector): New.
6545 (dump_data_dependence_relation): Use print_direction_vector.
6546 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6547 (compute_subscript_distance): Static.
6548 (initialize_data_dependence_relation): Static. Get the number
6549 of loops surrounding the references from the callers, and initialize
6550 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6551 base_object_differ_p analyzers.
6552 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6553 compute_overlap_steps_for_affine_1_2,
6554 analyze_subscript_affine_affine): Count the classified dependences.
6555 Print a message when a test failed.
6556 (can_use_analyze_subscript_affine_affine): New.
6557 (analyze_siv_subscript): Compute the data dependences on symbolic
6558 scevs that verify can_use_analyze_subscript_affine_affine.
6559 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6560 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6561 Handle symbolic scevs.
6562 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6564 (subscript_dependence_tester): Moved...
6565 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6566 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6567 DDR_SIZE_VECT instead of getting it in parameter.
6568 (subscript_dependence_tester): ... here. Take as a parameter
6569 loop_nest_depth. Call build_classic_dist_vector and
6570 build_classic_dir_vector.
6571 (compute_affine_dependence): Update subscript_dependence_tester
6572 parameters. Update datadep_stats counters. Call
6573 compute_subscript_distance.
6574 (compute_self_dependence): Save the dist and dir vectors. Call
6575 compute_subscript_distance.
6576 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6577 (compute_all_dependences): Reorder parameters as they were before
6578 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6579 compute_subscript_distance. Update the use of
6580 compute_affine_dependence and initialize_data_dependence_relation.
6581 (find_data_references_in_loop): Handle COMPONENT_REF.
6582 (compute_data_dependences_for_loop): Initialize dependence_stats.
6583 Don't call build_classic_dist_vector and build_classic_dir_vector.
6584 Update the parameters of initialize_data_dependence_relation and
6585 compute_all_dependences. Print the statistics from datadep_stats.
6586 (analyze_all_data_dependences): Static. Not used until the pass for
6587 checking the data dependences is contributed.
6588 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6589 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6590 (initialize_data_dependence_relation, compute_affine_dependence,
6591 analyze_all_data_dependences, compute_subscript_distance): Removed.
6592 (print_direction_vector): New.
6593 * lambda.h (gcd): ... here.
6594 (lambda_vector_gcd): Moved here from gcd_vector.
6595 * lambda-code.c (gcd, gcd_vector): Removed.
6596 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6597 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6599 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6601 * ipa-type-escape.c: Tidy some comments and white space.
6602 * tree-ssa-operands.c: Likewise.
6604 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6607 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6608 (dump_decl_name): Do not walk the decl tree chains.
6609 * tree-pass.h (TDF_CHAIN): Remove.
6611 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6613 * Makefile.in (C): Remove
6615 (.PHONY): Remove C and PROTO
6617 2006-02-20 Roger Sayle <roger@eyesopen.com>
6620 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6621 deprecated CHAR_TYPE tree code.
6623 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6625 * configure.ac (target_list): Add install-info, dvi, html.
6626 * configure: Regenerate.
6628 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6629 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6630 treelang/Make-lang.in: Do not use double-colon rules.
6632 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6634 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6635 (TMT_USED_ALONE): New macro.
6636 * tree-pass.h (PROP_tmt_usage): New property.
6637 (TODO_update_tmt_usage): New todo.
6638 * tree-ssa-alias.c (updating_used_alone): New variable.
6639 (recalculate_used_alone): New function.
6640 (compute_may_aliases): Set updating_used_alone, call
6641 recalculate_used_alone.
6642 * tree-sra.c (pass_sra): Note that this pass destroys
6643 PROP_tmt_usage, and add TODO_update_tmt_usage.
6644 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6645 * tree-flow.h (updating_used_alone): Prototype.
6646 (recalculate_used_alone): Ditto.
6647 * passes.c (execute_todo): Add code to set updating_used_alone,
6648 and call recalculate.
6649 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6650 for clobber if used alone, and add assert to verify used_alone
6653 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6655 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6656 for non tls symbols added.
6657 (legitimize_address): Do nothing for PLUS expressions if one of the
6658 addends is a tls symbol reference.
6660 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6664 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6666 * Makefile.in (BOOTSTRAPPING): New.
6667 (quickstrap): New definition if BOOTSTRAPPING=yes.
6669 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6670 * configure.ac: Substitute all_selected_languages with the languages
6671 that were configured. For all the other variables except
6672 lang_specs_files, include all the languages in the tree.
6673 * configure: Regenerate.
6675 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6676 if there is one. Run the commands to run fixincludes in the same
6679 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6680 * doc/install.texi: Document exact conventions for searching target tools.
6681 Document --with-build-time-tools. Document toplevel bootstrap. Document
6682 something more about building an Ada cross-compiler. Don't list GNU Make
6683 requirements which affect all platforms.
6685 2006-02-19 Roger Sayle <roger@eyesopen.com>
6688 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6689 only equivalent if the have both the same mode and precision.
6691 2006-02-20 Ben Elliston <bje@au.ibm.com>
6693 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6695 2006-02-19 Roger Sayle <roger@eyesopen.com>
6696 Steven Bosscher <stevenb.gcc@gmail.com>
6698 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6699 constant pool references to identify stack mode constants.
6700 * rtlanal.c (constant_pool_constant_p): New predicate to check
6701 whether operand is a floating point constant in the pool.
6702 * rtl.h (constant_pool_constant_p): Prototype here.
6703 * loop.c (scan_loop): Avoid hoisting constants from the constant
6704 pool on STACK_REGS targets.
6705 (load_mems): Likewise.
6706 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6707 loads into x87 registers expensive in terms of register pressure.
6709 2006-02-19 Roger Sayle <roger@eyesopen.com>
6711 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6712 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6714 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6716 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6717 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6719 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6721 * doc/invoke.texi: Document -fipa-pta.
6722 * common.opt: Add ipa-pta option.
6723 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6724 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6725 (do_ds_constraint): Ditto.
6726 (get_constraint_for): Only add to referenced_vars if
6727 referenced_vars exists.
6728 (insert_into_field_list): Rewrite to do this unsorted.
6729 (insert_into_field_list_sorted): Rename old insert_into_field_list
6731 (create_function_info_for): Use insert_into_field_list_sorted.
6732 (create_variable_info_for): Rewrite so it uses unsorted version,
6733 since the field list is sorted.
6734 (intra_create_variable_infos): Only add to referenced_vars if
6735 referenced_vars exists.
6736 (ipa_pta_execute): Init heapvars, and delete when done.
6737 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6739 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6741 * doc/install.texi: Add missing `@samp'.
6743 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6745 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6748 2006-02-18 Mark Wielaard <mark@klomp.org>
6750 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6751 who added new 4.1 features, bug fixes and integration support.
6753 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6756 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6759 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6761 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6762 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6763 (copy_insn_1): Likewise. Don't copy each field individually.
6765 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6767 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6768 * rtl.c (rtx_size): Rename variable to...
6769 (rtx_code_size): ...this.
6770 (rtx_size): New function.
6771 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6772 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6774 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6775 * rtl.h (rtx_code_size): New variable.
6776 (rtx_size): Change from a variable to a function.
6777 (RTX_SIZE): Rename to...
6778 (RTX_CODE_SIZE): ...this.
6781 PR tree-optimization/17106
6782 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6783 (Anchored Addresses): New section.
6784 * doc/invoke.texi (-fsection-anchors): Document.
6785 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6786 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6787 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6788 * hooks.c (hook_bool_mode_rtx_false): New function.
6789 * hooks.h (hook_bool_mode_rtx_false): Declare.
6790 * gengtype.c (create_optional_field): New function.
6791 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6792 SYMBOL_REF_IN_BLOCK_P is true.
6793 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6794 (min_anchor_offset, max_anchor_offset): Likewise.
6795 (use_anchors_for_symbol_p): New hook.
6796 * toplev.c (compile_file): Call output_object_blocks.
6797 (target_supports_section_anchors_p): New function.
6798 (process_options): Check that -fsection-anchors is only used on
6799 targets that support it and when -funit-at-a-time is in effect.
6800 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6801 if the decl doesn't have one.
6802 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6803 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6804 of force_const_mem through use_anchored_address.
6805 (expand_expr_constant): New function.
6806 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6807 calling expand_expr for INDIRECT_REF.
6808 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6809 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6810 * expr.h (use_anchored_address): Declare.
6811 * loop-unroll.c: Don't declare rtx vectors here.
6812 * explow.c: Include output.h.
6813 (validize_mem): Call use_anchored_address.
6814 (use_anchored_address): New function.
6815 * common.opt (-fsection-anchors): New switch.
6816 * varasm.c (object_block_htab, anchor_labelno): New variables.
6817 (hash_section, object_block_entry_eq, object_block_entry_hash)
6818 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6819 (use_blocks_for_decl_p, change_symbol_section): New functions.
6820 (get_variable_section): New function, split out from assemble_variable.
6821 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6822 use_blocks_for_decl_p say so. Use change_symbol_section if the
6823 symbol has already been created.
6824 (assemble_variable_contents): New function, split out from...
6825 (assemble_variable): ...here. Don't output any code for
6826 block symbols; just pass them to place_block_symbol.
6827 Use get_variable_section and assemble_variable_contents.
6828 (get_constant_alignment, get_constant_section, get_constant_size): New
6829 functions, split from output_constant_def_contents.
6830 (build_constant_desc): Create a block symbol if use_object_blocks_p
6831 says so. Or into SYMBOL_REF_FLAGS.
6832 (assemble_constant_contents): New function, split from...
6833 (output_constant_def_contents): ...here. Don't output any code
6834 for block symbols; just pass them to place_section_symbol.
6835 Use get_constant_section and get_constant_alignment.
6836 (force_const_mem): Create a block symbol if use_object_blocks_p and
6837 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6838 (output_constant_pool_1): Add an explicit alignment argument.
6839 Don't switch sections here.
6840 (output_constant_pool): Adjust call to output_constant_pool_1.
6841 Switch sections here instead. Don't output anything for block symbols;
6842 just pass them to place_block_symbol.
6843 (init_varasm_once): Initialize object_block_htab.
6844 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6845 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6846 (place_block_symbol, get_section_anchor, output_object_block)
6847 (output_object_block_htab, output_object_blocks): New functions.
6848 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6849 (TARGET_ASM_OUT): Include it.
6850 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6851 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6852 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6853 (TARGET_INITIALIZER): Include them.
6854 * rtl.c (rtl_check_failed_block_symbol): New function.
6855 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6856 (block_symbol, object_block): New structures.
6857 (rtx_def): Add a block_symbol field to the union.
6858 (BLOCK_SYMBOL_CHECK): New macro.
6859 (rtl_check_failed_block_symbol): Declare.
6860 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6861 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6862 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6863 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6864 * output.h (output_section_symbols): Declare.
6865 (object_block): Name structure.
6866 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6867 (default_use_anchors_for_symbol_p): Declare.
6868 * Makefile.in (RTL_BASE_H): Add vec.h.
6869 (explow.o): Depend on output.h.
6870 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6871 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6872 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6873 (rs6000_use_blocks_for_constant_p): New function.
6875 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6877 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6879 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6882 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6885 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6887 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6891 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6894 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6895 instead of DECL_REGISTER.
6897 2006-02-18 Olivier Hainque <hainque@adacore.com>
6900 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6902 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6905 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6906 * opth-gen.awk: Handle Var and InverseMask together.
6907 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6908 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6909 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6910 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6912 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6913 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6914 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6915 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6916 LINUX_DYNAMIC_LINKER): Define.
6917 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6918 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6920 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6921 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6922 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6923 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6924 (TARGET_C99_FUNCTIONS): Don't define.
6925 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6926 GLIBC_DYNAMIC_LINKER.
6927 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6928 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6929 GLIBC_DYNAMIC_LINKER64): Define.
6930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6931 LINUX_DYNAMIC_LINKER64.
6932 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6933 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6934 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6935 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6936 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6937 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6938 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6939 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6940 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6941 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6942 and LINUX_DYNAMIC_LINKER32.
6943 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6945 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6946 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6947 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6949 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6950 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6951 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6952 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6953 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6954 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6955 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6956 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6957 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6958 LINUX_DYNAMIC_LINKER): Define.
6959 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6960 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6961 GLIBC_DYNAMIC_LINKER64): Define.
6962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6963 LINUX_DYNAMIC_LINKER64.
6964 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6965 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6966 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6967 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6968 LINUX_DYNAMIC_LINKER): Define.
6969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6970 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6971 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6972 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6973 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6974 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6975 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6976 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6977 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6978 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6979 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6980 * doc/invoke.texi (-muclibc): Remove caveat about supported
6983 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6985 * doc/cpp.texi (__TIMESTAMP__): Document.
6987 2006-02-17 Roger Sayle <roger@eyesopen.com>
6990 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6991 C is one less than the width of X (and related transformations).
6992 * simplify-rtx.c (simplify_unary_operation_1): Transform
6993 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6994 depending on STORE_FLAG_VALUE, were C is one less then the
6997 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6999 Fix PR tree-optimization/26341
7000 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7001 about NAME_MEMORY_TAG's.
7003 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7006 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7007 with hardware float support, and software float support. Add fcpy
7008 alternative to hardware patterns. Add alternatives to copy between
7009 general and floating-point registers to the 32-bit pattern.
7010 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7011 secondary reload to load a QI or HI mode constant into a floating
7013 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7014 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7016 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7019 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7021 (load_macho_picbase_di): Likewise.
7023 2006-02-16 Jeff Law <law@redhat.com>
7025 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7026 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7027 (ssa_name_nonzero_p): Likewise.
7028 (get_value_range): Return NULL if VRP is not running.
7029 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7030 VRP routines do not discover a range.
7031 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7032 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7033 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7034 (tree_expr_nonnegative_p): Similarly.
7035 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7036 (restore_nonzero_vars_to_original_value): Remove.
7037 (unsafe_associative_fp_binop): Remove.
7038 (tree_ssa_dominator_optimize): Remove initialization and
7039 finalization of nonzero_vars and nonzero_vars_stack.
7040 (dom_opt_initialize_block): No longer push marker on
7042 (dom_opt_finalize_block): No longer call
7043 restore_nonzero_vars_to_original_value.
7044 (record_equivalences_from_phis): No longer look for
7045 nonzero PHI arguments.
7046 (cprop_into_successor_phis): No longer propagate nonzero
7047 property into PHI arguments. Lose unused argument. Caller
7049 (record_equivalences_from_stmt): No longer record nonzero
7050 values for SSA_NAMEs.
7051 (lookup_avail_expr): No longer use nonzero_vars.
7053 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7054 for sizetype when sizetype is unsigned.
7056 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7058 PR rtl-optimization/25603
7059 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7060 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7061 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7062 with new meaning of SETS.
7064 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7069 * config/linux.opt: New file.
7070 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7071 LINUX_DYNAMIC_LINKER): Define.
7072 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7073 * config.gcc (*-*-linux*): Define extra_options.
7074 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7075 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7076 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7077 GLIBC_DYNAMIC_LINKER.
7078 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7079 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7080 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7081 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7082 * doc/invoke.texi (GNU/Linux Options): New section.
7084 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7086 * config/sparc/sparc.md (setjmp): Rewrite.
7087 (setjmp_32): Delete.
7088 (setjmp_64): Likewise.
7090 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7092 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7095 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7097 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7100 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7102 PR rtl-optimization/26296
7103 * Makefile.in (loop-invariant.c): Add except.h dependency.
7104 * loop-invariant.c: Include except.h.
7105 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7107 2005-02-16 Paul Brook <paul@codesourcery.com>
7109 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7112 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7114 PR rtl-optimization/25636
7115 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7116 when deciding whether an insn is an initializing insn.
7118 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7120 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7121 (tree_code_size): Ditto.
7122 * tree.h (struct tree_memory_tag): Remove parent_var.
7123 (struct tree_struct_field_tag): New.
7126 (union tree_node): Add sft member.
7127 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7129 (create_sft): Add size and offset argument, set SFT_OFFSET and
7131 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7132 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7133 * tree-flow-inline.h (get_subvar_at): Update for
7134 SFT_OFFSET/SFT_SIZE.
7135 (var_can_have_subvars): Ditto.
7136 (overlap_subvar): Ditto.
7137 * print-tree.c (print_node): Print out interesting things for
7139 * tree-flow.h (struct subvar): Remove offset and size members.
7140 * tree-ssa-operands.c (get_expr_operands): Update for
7141 get_indirect_ref_operands changes.
7142 (get_indirect_ref_operands): Call add_virtual_operand instead of
7143 add_stmt_operand. Only recurse on base var if requested.
7144 (access_can_touch_variable): New function.
7145 (add_stmt_operand): Split virtual operand handling into ...
7146 (add_virtual_operand): Here. Add offset, size, and for_clobber
7147 arguments. Prune alias sets.
7148 (add_call_clobber_ops): Call add_virtual_operand.
7150 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7153 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7155 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7156 than TREE_CODE as index into omp_clause_num_ops array.
7158 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7160 PR rtl-optimization/26184
7161 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7163 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7164 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7165 must_precede, must_follow and tobe_scheduled.
7168 * opts.c (common_handle_option): Free new_option pointer.
7169 * df-core.c (df_analyze): Free postorder pointer.
7171 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7173 * Makefile.in: Fix the examples about the use of stamps
7175 2006-02-15 Michael Matz <matz@suse.de>
7179 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7180 influenced by maximum_field_alignment or DECL_PACKED.
7181 (update_alignment_for_field): Ditto.
7182 (place_field): Ditto.
7183 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7186 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7188 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7189 (debug_flow_info): Pass it.
7190 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7191 * bb-reorder.c (reorder_basic_blocks): Likewise.
7192 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7193 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7194 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7195 * gcse.c (gcse_main, bypass_jumps): Likewise.
7196 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7197 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7198 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7199 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7200 * rtl.h (dump_flow_info): Adjust prototype.
7201 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7202 * var-tracking.c (variable_tracking_main): Likewise.
7203 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7204 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7207 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7209 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7212 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7214 PR tree-optimization/26209
7215 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7216 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7218 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7220 2006-02-14 Roger Sayle <roger@eyesopen.com>
7223 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7224 (X,Y) and the corresponding symmetry related transformations.
7225 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7226 (X,Y) and its symmetry related transformations.
7228 2006-02-14 Roger Sayle <roger@eyesopen.com>
7230 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7233 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7235 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7237 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7240 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7241 support COMDAT group.
7242 * configure: Regenerate.
7244 2006-02-14 Roger Sayle <roger@eyesopen.com>
7249 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7251 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7253 Fix PR tree-optimization/26260
7255 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7257 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7258 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7259 * tree-ssa-structalias.c (create_variable_info_for): Use
7260 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7262 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7264 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7266 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7267 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7268 of the ending condition.
7269 * tree-ssa-loop-manip.c: Include params.h.
7270 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7271 tree_unroll_loop): New functions.
7272 * tree-pass.h (pass_loop_prefetch): Declare.
7273 * loop.c (rest_of_handle_loop_optimize): Test for
7274 -fprefetch-loop-arrays-rtl.
7275 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7276 * timevar.def (TV_TREE_PREFETCH): New timevar.
7277 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7278 pass_loop_prefetch): New.
7279 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7280 (cleanup_tree_cfg_loop): Call scev_reset.
7281 * common.opt (fprefetch-loop-arrays-rtl): Add.
7282 * tree-ssa-loop-prefetch.c: New file.
7283 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7284 (new_temp_expr_table): Initialize expr_vars.
7285 (free_temp_expr_table): Cleanup expr_vars.
7286 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7287 expressions from being merged into one.
7288 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7289 (struct tree_niter_desc): Add control, bound and cmp fields.
7290 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7292 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7293 (tree-cfgcleanup.o): Add SCEV_H dependency.
7294 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7295 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7297 2006-02-14 Richard Guenther <rguenther@suse.de>
7299 PR tree-optimization/26258
7300 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7301 in PHI argument processing.
7303 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7305 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7306 new expression in the requested machine mode.
7308 2006-02-13 Roger Sayle <roger@eyesopen.com>
7310 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7311 directly, instead let do_compare_rtx_and_jump handle this for us.
7312 * expr.c (expand_expr_real_1): Likewise.
7313 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7314 before do_jump_by_parts_greater.
7315 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7316 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7318 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7320 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7322 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7324 PR rtl-optimization/26235
7325 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7326 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7329 2006-02-13 Jeff Law <law@redhat.com>
7331 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7334 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7337 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7338 twice if decl is a builtin. When trying again, call get_callee_fndecl
7339 first to verify it is still a builtin.
7341 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7343 * dwarf2out.c (base_type_die): Don't add AT_name here.
7344 (subrange_type_die): Don't add AT_name here.
7345 (modified_type_die): Rearrange code flow. Do add AT_name here.
7347 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7349 PR rtl-optimization/26247
7350 PR rtl-optimization/26248
7351 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7353 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7355 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7356 * config/fixtfdi.c: Likewise.
7357 * config/fixunstfdi.c: Likewise.
7358 * config/floatditf.c: Likewise.
7360 2006-02-13 Roger Sayle <roger@eyesopen.com>
7363 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7364 into (X,C2) if C1 is a subset of the bits of C2. Transform
7365 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7367 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7369 2006-02-13 Josh Conner <jconner@apple.com>
7372 * varasm.c (function_section): Check for section name before
7373 calling select_section on targets that define
7374 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7375 unlikely_text_section instead of hot_function_section if
7376 first_function_block_is_cold.
7378 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7381 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7383 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7385 PR rtl-optimization/26222
7386 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7387 after tree->rtl expansion.
7388 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7389 before passing it to emit_move_insn.
7391 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7393 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7395 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7396 Clarify documentation.
7397 * c-common.h (warn_write_strings): Remove.
7398 * c-common.c (warn_write_strings): Likewise.
7399 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7402 2006-02-12 Roger Sayle <roger@eyesopen.com>
7405 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7406 (do_jump_parts_zero_rtx): New function renamed from
7407 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7408 (do_jump_parts_equality_rtx): New function split out from
7409 do_jump_parts_equality. Old implementation renamed as above.
7410 Call do_jump_parts_zero_rtx if either operand is zero.
7411 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7412 do all of the heavy lifting.
7413 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7414 calling either do_jump_by_parts_greater_rtx or
7415 do_jump_by_parts_equality_rtx.
7416 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7417 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7418 moved to do_compare_rtx_and_jump, call it directly.
7419 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7420 mode argument. Call do_compare_rtx_and_jump.
7421 (emit_case_nodes): Update calls to do_jump_if_equal.
7423 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7425 PR rtl-optimization/26225
7426 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7428 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7430 PR rtl-optimization/26232
7431 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7433 2006-02-11 Jason Merrill <jason@redhat.com>
7436 * tree-inline.c (declare_return_variable): Just don't use the
7437 modify target if it's a gimple complex reg and the return slot
7440 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7442 * doc/contrib.texi: Update my entry.
7444 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7446 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7448 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7450 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7453 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7455 * doc/invoke.texi (-floop-optimize2): Removed.
7456 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7457 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7458 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7459 * common.opt (floop-optimize2): Removed.
7460 (fmove-loop-invariants): Enabled by default.
7462 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7464 * tree-if-conv.c (combine_blocks): Free the result of
7465 get_loop_exit_edges.
7467 2006-02-10 Jeff Law <law@redhat.com>
7469 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7471 PR tree-optimization/26213
7472 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7473 loop trying to follow SSA_NAME_VALUE chains.
7475 2006-02-10 Richard Guenther <rguenther@suse.de>
7477 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7478 deal with structures that end in implicitly variable sized arrays.
7480 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7482 PR rtl-optimization/24762
7483 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7486 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7488 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7489 (struct ivopts_data): Add regs_used field.
7490 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7491 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7492 instead of loop_data->regs_used;
7493 (free_loop_data): Do not free aux fields for loops.
7494 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7495 and tree_ssa_iv_optimize_finalize.
7497 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7499 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7501 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7504 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7505 computing the effective result type.
7507 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7510 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7511 (tree_overlaps_hard_reg_set): Declare.
7512 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7513 type and signature to match function type expected by walk_tree.
7514 (tree_overlaps_hard_reg_set): New function.
7515 (decl_conflicts_with_clobbers_p): Rename to:
7516 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7517 Use tree_overlaps_hard_reg_set. Changed caller.
7518 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7519 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7520 * cris.c (cris_md_asm_clobbers): Likewise.
7522 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7524 * reload1.c (emit_input_reload_insns): Delete code that tries to
7525 inherit using find_equiv_reg.
7527 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7529 * c-common.h (flag_const_strings): Don't declare.
7530 * c-common.c (flag_const_strings): Remove.
7531 * c.opt (fconst_strings): Remove.
7532 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7533 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7534 (c_common_init_options): Don't set flag_const_strings.
7535 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7537 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7539 * arm.md (tlobits_cbranch): New pattern.
7540 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7541 testing a single bit.
7543 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7546 * tree-ssa-pre.c (create_component_ref_by_pieces):
7547 Handle RETURN_DECL like VAR_DECL.
7549 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7552 * fold-const.c (fold_indirect_ref_1): Fold
7553 "*(foo *)&complexfoo" to "__real__ complexfoo"
7554 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7556 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7558 * tree-flow-inline.h (var_can_have_subvars):
7559 Volatile variables should not have subvariables.
7561 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7564 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7565 multiplying unsigned values.
7568 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7570 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7572 2006-02-08 Jason Merrill <jason@redhat.com>
7575 * tree.def: Elaborate on difference from MODIFY_EXPR.
7576 * doc/c-tree.texi (INIT_EXPR): Likewise.
7577 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7578 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7579 (gimplify_target_expr): Likewise.
7580 (gimplify_cond_expr): Remove target handling.
7581 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7582 (gimplify_expr): Clobber it here.
7583 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7584 Do return slot optimization if we have an INIT_EXPR.
7587 * tree-inline.c (declare_return_variable): Also clear
7588 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7591 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7594 * gimplify.c (gimplify_one_sizepos): Fix typo.
7596 2006-02-08 Jeff Law <law@redhat.com>
7598 PR tree-optimization/21417
7599 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7600 across a backedge if the control statement at the end of the
7601 block is data dependent on other statements in the same block.
7602 (record_temporary_equivalences_from_stmts): Remove over-conservative
7603 test for threading across backedges.
7605 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7606 control statement, handle all three special cases in the same
7607 manner as they all have the same desired solution. No longer
7608 special case edge flag updating when the post dominator is
7611 2006-02-08 Roger Sayle <roger@eyesopen.com>
7613 * tree.def (CHAR_TYPE): Remove.
7614 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7615 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7616 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7617 (gen_string_type_die): Delete unreachable function.
7619 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7620 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7621 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7622 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7623 * builtins.c (type_to_class): Likewise.
7624 * fold-const.c (fold_convert, build_range_check,
7625 merge_ranges): Likewise.
7626 * expr.c (count_type_elements): Likewise.
7627 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7628 * stor-layout.c (layout_type): Likewise.
7629 * ipa-type-escape.c (type_to_consider): Likewise.
7630 * gimplify.c (omp_firstprivatize_type_sizes,
7631 gimplify_type_sizes): Likewise.
7632 * explow.c (promote_mode): Likewise.
7633 * tree-sra.c (is_sra_scalar_type): Likewise.
7634 * varasm.c (output_constant): Likewise.
7635 * tree-inline.c (remap_type_1): Likewise.
7636 * convert.c (convert_to_pointer, convert_to_real,
7637 convert_to_integer, convert_to_complex): Likewise.
7639 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7641 * df-scan.c (df_def_record_1): A set destination may
7642 be a parallel regardless of mode.
7644 2006-02-08 Roger Sayle <roger@eyesopen.com>
7647 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7648 * config/mips/_tilib.c: Remove.
7649 * config/fixtfdi.c: New libgcc source file.
7650 * config/fixunstfdi.c: New source file.
7651 * config/floatditf.c: New source file.
7652 * config/floatunditf.c: New souce file.
7653 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7654 files above instead of config/mips/_tilib.c.
7655 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7657 2006-02-08 Jeff Law <law@redhat.com>
7659 PR tree-optimization/26169
7660 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7663 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7665 * df.h (DF_REG_SIZE): Return the length of the initialized
7668 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7670 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7671 __muldf3): Return a correctly signed zero.
7673 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7675 * passes.c (register_one_dump_file): Accept the current properties
7676 instead of pass number. Adjust call to dump_register. Remove
7678 (register_dump_files): Now a wrapper around...
7679 (register_dump_files_1): ... this one. Do not modify the pass
7681 (next_pass_1): Cosmetic fix.
7682 (execute_todo): Keep second parameter only. Use curr_properties
7683 instead of fetching it from the pass structure. Check and set
7685 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7686 instead of fetching it from the pass structure. Fix calls to
7687 execute_todo. Update curr_properties and initialize .vcg RTL dump
7688 after running the pass. Reset last_verified.
7689 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7691 (FIRST_AUTO_NUMBERED_DUMP): New.
7692 (dump_register): Remove "num" parameter, assign it within the
7694 (get_dump_file_name): Modify template for dumps.
7695 * tree-dump.h (dump_register): Adjust prototype.
7696 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7697 (PROP_trees): Add PROP_gimple_lomp.
7698 (TODO_set_props): New.
7699 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7700 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7701 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7703 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7705 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7706 (sparc64-*-linux*): Likewise.
7707 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7708 * config/sparc/t-linux: New file.
7709 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7710 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7711 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7712 -m32 -mlong-double-128.
7714 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7715 * config/alpha/t-linux: New file.
7716 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7718 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7719 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7720 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7721 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7722 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7723 (CPP_ARCH32_SPEC): Remove.
7725 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7727 PR tree-optimization/26145
7728 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7731 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7734 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7735 >= 240000 when generating code for SOM runtime.
7736 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7737 to $$dyncall when generating code for SOM runtime..
7739 2006-02-07 Dirk Mueller <dmueller@suse.com>
7742 * doc/invoke.texi (-Wsequence-point): Update documentation
7743 that -Wsequence-point is implemented for C++ as well.
7745 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7747 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7748 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7749 (LIB_SPEC): Likewise.
7750 * doc/invoke.texi (SPARC options): Document -pthread.
7752 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7754 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7757 2006-02-07 Roger Sayle <roger@eyesopen.com>
7759 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7760 Correct comment describing BOOLEAN_TYPE.
7762 2006-02-07 Dirk Mueller <dmueller@suse.com>
7764 * c.opt: C++ frontend supports -Wdiv-by-zero.
7765 * c-opts.c (c_common_handle_option): Remove dead case.
7767 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7769 * configure.ac (TLS assembler check): Do not enable TLS by
7770 default on SPARC/Solaris before version 10.
7771 * configure: Regenerate.
7773 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7775 * doc/invoke.texi (xl-compat): Document conversion and support
7778 2006-02-07 Jeff Law <law@redhat.com>
7780 * tree-vrp.c (find_conditional_asserts): Update comments.
7781 (simplify_stmt_for_jump_threading): New.
7782 (identify_jump_threads, finalize_jump_threads): New.
7783 (vrp_finalize): Call identify_jump_threads.
7784 (execute_vrp): Call finalize_jump_threads.
7785 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7786 (vrp_element, vrp_data, vrp_element_p): Remove.
7787 (vrp_hash_elt, vrp_variables_stack): Remove.
7788 (vrp_hash, vrp_eq, record_range): Remove.
7789 (simplify_cond_and_lookup_avail_expr): Remove.
7790 (extract_range_from_cond): Remove.
7791 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7792 (simplify_stmt_for_jump_threading): New.
7793 (dom_thread_across_edge): New wrapper.
7794 (tree_ssa_dominator_optimize): No longer initialize or
7795 finalize any of the VRP datastructures. Remove iteration
7796 step and simplify as a result of removal of iteration step.
7797 (pass_dominator): Perform a cfg cleanup after DOM.
7798 (dom_opt_finalize_block): Use the new common routines
7799 for threading jumps. Simplify stack management slightly.
7800 No longer need to unwind VRP state.
7801 (record_equivalences_from_incoming_edge): No longer record
7803 (eliminate_redundant_computations): No longer call
7804 simplify_cond_and_lookup_avail_expr.
7805 * tree-flow.h (potentially_threadable_block): Prototype.
7806 (thread_across_edge): Likewise.
7807 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7808 (tree-ssa-threadedge.o): Add dependencies.
7809 * tree-ssa-threadedge.c: New file.
7810 * passes.c (init_optimization_passes): Merge PHIs before
7811 calling VRP. Run VRP again late in the SSA optimization pipeline.
7813 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7815 * df-core.c (df_set_blocks): Do not dereference function pointers.
7816 (df_finish1): Likewise.
7817 (df_hybrid_search_forward): Likewise.
7818 (df_hybrid_search_backward): Likewise.
7819 (df_iterative_dataflow): Likewise.
7820 (df_analyze_problem): Likewise.
7821 (df_compact_blocks): Likewise.
7822 (df_dump): Likewise.
7823 * df-scan.c (df_rescan_blocks): Likewise.
7824 (df_record_entry_block_defs): Likewise.
7826 * genconditions.c (write_conditions): Guard the definition of
7827 'insn_conditions' with the check on GCC version.
7828 (write_writer): Guard the traversal 'insn_conditions' with
7829 the check on GCC version.
7831 2006-02-07 Richard Guenther <rguenther@suse.de>
7835 2006-01-30 Richard Guenther <rguenther@suse.de>
7837 * gimplify.c (gimplify_target_expr): Handle easy cases
7838 without creating a temporary.
7840 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7842 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7843 use of float in probability computations. Use edge probabilities
7844 in place of statically computed probabilities.
7845 (min_spec_prob): New static variable.
7846 (schedule_insns): Initialize it.
7847 (GET_SRC_PROB): Removed.
7848 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7850 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7853 * config/ia64/unwind-ia64.c: Revert last change.
7854 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7855 (INCOMING_FRAME_SP_OFFSET): Define.
7857 2006-02-06 Roger Sayle <roger@eyesopen.com>
7859 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7861 2006-02-07 Ben Elliston <bje@au.ibm.com>
7863 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7864 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7865 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7866 (ix86_return_in_memory): Handle TDmode.
7867 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7868 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7870 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7872 * reorg.c (dbr_schedule): Use dump_file instead of file.
7874 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7877 * config/ia64/predicates.md (extr_len_operand): New predicate.
7878 * config/ia64/ia64.md (extv): Tighten constraints.
7880 (*tbit_and_2): Ditto.
7881 (*tbit_and_3): Ditto.
7882 (*tbit_or_2): Ditto.
7883 (*tbit_or_3): Ditto.
7887 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7890 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7892 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7894 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7895 loop_optimizer_init and loop_optimizer_finalize
7896 * tree-ssa-sink.c (execute_sink_code): Ditto.
7897 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7898 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7899 tree_ssa_loop_done): Ditto.
7900 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7901 * sched-ebb.c: Include output.h.
7902 (schedule_ebbs): Do not use dump argument.
7903 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7904 * loop.c (loop_dump_stream): Removed.
7905 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7907 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7908 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7909 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7910 loop_iterations, strength_reduce, record_biv, record_giv,
7911 final_giv_value, check_final_value, check_ext_dependent_givs,
7912 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7913 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7914 dump_file instead of loop_dump_stream.
7915 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7917 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7919 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7920 * haifa-sched.c: Include output.h
7921 (schedule_insns, sched_init): Do not use dump argument.
7922 * mode-switching.c (optimize_mode_switching): Ditto.
7923 * modulo-sched.c (stats_file): Removed.
7924 (print_node_sched_params): Do not call argument dump_file.
7925 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7926 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7928 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7930 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7931 rtl_loop_init, rtl_loop_done): Ditto.
7932 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7933 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7935 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7936 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7937 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7938 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7939 * emit-rtl.c (renumber_insns): Ditto.
7940 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7941 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7942 * regclass.c (regclass): Ditto.
7943 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7944 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7945 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7946 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7948 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7949 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7951 * gcse.c (gcse_file, debug_stderr): Removed.
7952 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7953 rest_of_handle_gcse): Do not use dump argument.
7954 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7955 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7956 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7957 compute_code_hoist_vbeinout, compute_code_hoist_data,
7958 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7959 compute_store_table, build_store_vectors, insert_insn_start_bb,
7960 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7961 store_motion): Use dump_file instead of gcse_file.
7962 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7963 * profile.c (profile_dump_file): Removed.
7964 (branch_prob): Use dump_file instead of profile_dump_file.
7965 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7967 * tree-ssa-copy.c (dump_copy_of): Ditto.
7968 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7969 dump file to life_analysis.
7970 * bt-load.c (branch_target_load_optimize): Ditto.
7971 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7973 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7974 regclass, dbr_schedule): Declaration changed.
7975 * sched-int.h (sched_init): Declaration changed.
7976 * tree-profile.c (tree_profile_dump_file): Removed.
7977 (tree_profile_hooks): Removed profile_dump_file hook.
7978 * rtl-profile (rtl_profile_dump_file): Removed.
7979 (rtl_profile_hooks): emoved profile_dump_file hook.
7980 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7982 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7983 * tree-cfg.c (build_tree_cfg): Ditto.
7984 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7985 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7986 Declaration changed.
7987 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7988 life_analysis and schedule_insns.
7989 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7991 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7993 * config/mips/mips.c (mips_reorg): Ditto.
7994 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7997 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7999 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8000 (s390_mangle_fundamental_type): New.
8001 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8004 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8005 (alpha_mangle_fundamental_type): New.
8006 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8009 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8011 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8013 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8014 (sparc_mangle_fundamental_type): New.
8016 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8018 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8019 (s390x-*-linux*): Likewise.
8020 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8021 * config/s390/t-linux: New file.
8023 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8025 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8026 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8028 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8030 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8031 (ANTIC_SAFE_LOADS): New macro.
8032 (find_or_generate_expression): Add prototype.
8033 (set_contains_value): Allow null set for sake of not always having
8034 to allocate ANTIC_SAFE_LOADS.
8035 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8036 Allow COMPONENT_REF too.
8037 (valid_in_set): Allow COMPONENT_REF.
8038 Check ANTIC_SAFE_LOADS too.
8039 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8040 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8042 (can_PRE_operation): Add COMPONENT_REF.
8043 (create_component_ref_by_pieces): New function.
8044 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8045 (insert_aux): Move AGGREGATE_TYPE_P check here.
8046 (compute_avail): Set bb local stmt uids.
8047 (pass_pre): Use TODO_update_ssa_only_virtuals.
8049 2006-02-06 Ben Elliston <bje@au.ibm.com>
8051 * configure.ac: Unconditionally disable decimal float by default.
8052 * configure: Regenerate.
8054 2006-02-06 Ben Elliston <bje@au.ibm.com>
8056 * read-rtl.c (read_name): Terminate reading on EOF.
8058 2006-02-06 Ben Elliston <bje@au.ibm.com>
8060 * dfp.c (decimal_real_arithmetic): Change second argument type
8061 from int to enum tree_code. Do not always return true, but now
8062 return result of any call to decimal_do helper functions.
8063 * dfp.h (decimal_real_arithmetic): Update prototype.
8065 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8067 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8069 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8072 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8075 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8077 * tree-vrp.c (cfg_loops): Removed.
8078 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8079 Use current_loops instead of cfg_loops. Pass flags to
8080 loop_optimizer_init.
8081 * cfgloopmanip.c (fix_loop_structure): Update only available
8083 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8084 loop_optimizer_init.
8085 * modulo-sched.c (build_loops_structure): Removed.
8086 (sms_schedule): Use loop_optimizer_init.
8087 * loop-init.c (loop_optimizer_init): Use flags to determine
8088 which properties of loops to prepare.
8089 (rtl_loop_init): Pass flags to loop_optimizer_init.
8090 * tree-ssa-sink.c (execute_sink_code): Ditto.
8091 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8092 * tree-ssa-pre.c (init_pre): Ditto.
8093 * cfgloop.h (LOOPS_NORMAL): New.
8094 (loop_optimizer_init): Declaration changed.
8096 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8098 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8099 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8101 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8103 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8105 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8106 * pa/t-pa64: Delete quadlib.c rule.
8107 * pa/x-ada: Revert last change.
8108 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8110 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8112 PR rtl-optimization/26087
8113 * rtlanal.c (canonicalize_condition): Do not cross basic block
8116 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8119 * config/ia64/ia64.c: Include debug.h.
8120 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8121 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8122 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8123 (process_epilogue, process_set, process_for_unwind_directive):
8124 Output unwind info only if requested. Add CFA info if requested.
8125 Add new arguments as needed. Adjust callers.
8126 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8128 (DWARF2_FRAME_INFO): Define to zero.
8129 * config/ia64/unwind-ia64.c: Remove code that compensated for
8130 the CFA offset error fixed above.
8131 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8132 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8133 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8134 -funwind-tables and -fexceptions to enable frame info.
8135 (dwarf2out_frame_init): Define initial CFA even if
8136 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8137 DWARF2_UNWIND_INFO is nonzero, not just defined.
8138 (dwarf2out_frame_finish): Output non-EH call frame info only
8139 if DWARF2_FRAME_INFO is nonzero.
8140 (convert_cfa_to_loc_list,
8141 compute_frame_pointer_to_cfa_displacement): Define even if
8142 unwind info is not supported.
8143 (gen_subprogram_die): Use the above unconditionally. Remove
8144 legacy alternate code.
8145 * toplev.c (compile_file): Compile in call to
8146 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8147 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8149 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8150 Jakub Jelinek <jakub@redhat.com>
8152 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8153 IBM extended float format long double as "g" on powerpc*-linux.
8155 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8158 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8159 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8161 2006-02-03 Jason Merrill <jason@redhat.com>
8164 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8167 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8168 on the return slot if it's an NRV.
8170 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8172 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8173 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8174 rewrite_use): Do not handle USE_OUTER.
8175 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8176 add_iv_outer_candidates, may_replace_final_value,
8177 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8178 (find_interesting_uses_op): Functionality of
8179 find_interesting_uses_outer_or_nonlin moved here.
8180 (find_interesting_uses_outside): Use find_interesting_uses_op.
8182 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8185 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8187 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8188 Ulrich Weigand <uweigand@de.ibm.com>
8191 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8192 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8193 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8194 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8196 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8197 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8198 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8199 Define secondary reloads for TFmode moves.
8200 (constant_modes): Add TFmode.
8201 (NR_C_MODES): Set to 8.
8202 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8204 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8205 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8206 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8207 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8208 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8209 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8210 (FPR mode macro): Add TFmode.
8211 (DSF mode macro): New.
8212 (<de>, <dee> mode attributes): Removed.
8213 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8214 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8215 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8216 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8217 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8218 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8219 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8220 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8221 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8222 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8223 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8224 "*negabs<mode>2", "sqrt<mode>2"):
8225 Changed <de> to <xde>. R constraint replaced by <Rf>.
8226 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8228 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8229 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8230 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8232 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8233 "extenddftf2", "extendsftf2"): New expanders.
8234 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8235 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8236 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8237 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8239 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8240 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8241 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8242 __floatditf): Add a GCC_4.1.0 symbol version tag.
8243 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8246 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8249 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8250 Use targetm.binds_local_p instead of TREE_PUBLIC.
8252 2006-02-02 Roger Sayle <roger@eyesopen.com>
8254 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8255 on INTEGER_TYPEs to indicate that it denotes a character type.
8256 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8257 signed_char_type_node, unsigned_char_type_node and char_type_node.
8258 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8259 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8260 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8262 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8263 Daniel Berlin <dberlin@dberlin.org>
8265 * tree-tailcall.c (arg_needs_copy_p): New function.
8266 (eliminate_tail_call): Use arg_needs_copy_p.
8267 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8268 (add_virtual_phis): New function.
8270 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8272 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8273 #ignore instead of #scratch for %g7 .register directive.
8275 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8277 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8280 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8282 * flow.c (calculate_global_regs_live): Assert that there aren't any
8285 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8287 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8289 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8290 bsi_after_labels iterator.
8291 * tree-if-conv.c (find_phi_replacement_condition,
8292 replace_phi_with_cond_modify_expr): Likewise.
8293 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8294 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8296 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8298 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8300 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8303 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8304 array after growing it.
8306 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8309 * fold-const.c (fold_checksum_tree): Change type of buf.
8311 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8313 * reload.c (push_secondary_reload): Initialize t_icode.
8315 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8317 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8318 -msoft-float -mlong-double-128 only issue a warning, but don't
8319 swich to DFmode long double.
8321 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8323 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8324 has a constant equivalent, iterate over equivalents for arg0,
8325 calling simplify_relational_operation and if there's a result
8326 cheaper than X, apply fold_rtx and return the result.
8328 2006-02-01 Jan Hubicka <jh@suse.cz>
8330 * opts.c (no_unit_at_a_time_default): New global variable.
8331 (decode_options): Use it.
8332 * opts.h (no_unit_at_a_time_default): Declare.
8334 2006-02-01 Paul Brook <paul@codesourcery.com>
8336 * function.c (assign_parm_setup_reg): Use function argument promotion
8338 * expr.c (expand_expr_real_1): Use function argument promotion rules
8341 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8343 * gcc.c (process_command): Change j to 'unsigned int'.
8345 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8348 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8349 Use the corrected index for the character
8350 out of the string constant.
8352 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8354 * mode-switching.c (optimize_mode_switching): Fix size
8355 allocated for bb_info[n_entities].
8357 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8359 * gcc.c (main): Correct type that is allocated for
8360 explicit_link_files.
8362 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8364 * config/s390/s390.c (init_alignment_context): Set
8365 ALIAS_SET_MEMORY_BARRIER on the MEM.
8366 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8368 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8371 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8373 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8376 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8378 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8379 * regrename.c: Ditto.
8380 * tree-ssa-loop-im.c: Ditto.
8381 * tree-dump.c: Ditto.
8382 * tree-complex.c: Ditto.
8383 * genrecog.c: Ditto.
8384 * tree-ssa-threadupdate.c: Ditto.
8386 * java/class.c: Ditto.
8387 * java/jcf-parse.c: Ditto.
8388 * java/resource.c: Ditto.
8389 * java/except.c: Ditto.
8390 * java/jvspec.c: Ditto.
8391 * java/jcf-write.c: Ditto.
8392 * java/jcf-path.c: Ditto.
8393 * java/gjavah.c: Ditto.
8394 * java/zextract.c: Ditto.
8395 * java/jcf-io.c: Ditto.
8396 * java/jcf.h: Ditto.
8397 * java/buffer.c: Ditto.
8398 * java/lang.c: Ditto.
8399 * java/parse-scan.y: Ditto.
8400 * java/lex.c: Ditto.
8401 * java/lex.h: Ditto.
8402 * cfgloopmanip.c: Ditto.
8403 * postreload-gcse.c: Ditto.
8404 * tree-ssa-loop-manip.c: Ditto.
8405 * postreload.c: Ditto.
8406 * tree-ssa-loop-ch.c: Ditto.
8410 * diagnostic.c: Ditto.
8412 * genoutput.c: Ditto.
8414 * cfghooks.c: Ditto.
8415 * cfgloopanal.c: Ditto.
8416 * objc/objc-act.c: Ditto.
8418 * genextract.c: Ditto.
8419 * genautomata.c: Ditto.
8420 * pretty-print.c: Ditto.
8422 * cgraphunit.c: Ditto.
8425 * haifa-sched.c: Ditto.
8426 * dominance.c: Ditto.
8428 * tree-ssa-loop-ivopts.c: Ditto.
8430 * mode-switching.c: Ditto.
8431 * modulo-sched.c: Ditto.
8433 * ipa-pure-const.c: Ditto.
8435 * fix-header.c: Ditto.
8437 * tree-stdarg.c: Ditto.
8438 * ipa-utils.c: Ditto.
8439 * loop-init.c: Ditto.
8440 * ipa-inline.c: Ditto.
8443 * alloc-pool.c: Ditto.
8444 * dwarf2out.c: Ditto.
8446 * genattrtab.c: Ditto.
8447 * tree-ssa-loop-ivcanon.c: Ditto.
8451 * fortran/gfortranspec.c: Ditto.
8453 * local-alloc.c: Ditto.
8454 * langhooks.c: Ditto.
8455 * function.c: Ditto.
8456 * tree-vectorizer.c: Ditto.
8458 * ipa-type-escape.c: Ditto.
8460 * tree-if-conv.c: Ditto.
8463 * tree-data-ref.c: Ditto.
8464 * loop-unroll.c: Ditto.
8465 * treelang/treetree.c: Ditto.
8468 * ggc-common.c: Ditto.
8470 * coverage.c: Ditto.
8472 * tree-cfgcleanup.c: Ditto.
8473 * tree-ssa-pre.c: Ditto.
8474 * cfgcleanup.c: Ditto.
8475 * loop-invariant.c: Ditto.
8477 * ipa-prop.c: Ditto.
8478 * print-tree.c: Ditto.
8479 * conflict.c: Ditto.
8480 * ggc-page.c: Ditto.
8481 * sched-deps.c: Ditto.
8482 * regclass.c: Ditto.
8483 * tree-object-size.c: Ditto.
8485 * bb-reorder.c: Ditto.
8486 * resource.c: Ditto.
8487 * var-tracking.c: Ditto.
8489 * df-problems.c: Ditto.
8490 * reg-stack.c: Ditto.
8493 * sched-rgn.c: Ditto.
8494 * tree-ssa-structalias.c: Ditto.
8495 * tree-ssa-reassoc.c: Ditto.
8496 * config/darwin-c.c: Ditto.
8497 * config/darwin.c: Ditto.
8498 * config/arm/arm.c: Ditto.
8500 * collect2.c: Ditto.
8503 2006-01-31 Nicolas Pitre <nico@cam.org>
8505 * arm.md (smaxsi3): Make aware of smax_m1.
8508 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8510 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8512 2006-01-31 Richard Guenther <rguenther@suse.de>
8514 * doc/invoke.texi (-msselibm): Document.
8515 * target.h (expand_library_builtin): New target hook.
8516 * builtins.c (expand_builtin): Use expand_library_builtin.
8517 (default_expand_library_builtin): New function.
8518 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8519 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8520 (link_gcc_math_spec): Declare.
8521 (static_specs): Add link_gcc_math_spec.
8522 * expr.h (default_expand_library_builtin): Declare.
8523 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8524 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8525 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8526 * config/i386/i386.opt (msselibm): New target option.
8527 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8528 (ix86_init_sse_abi_builtins): New function.
8529 (ix86_expand_library_builtin): Likewise.
8530 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8531 (override_options): Handle error conditions wrt -msselibm.
8532 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8533 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8534 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8537 2006-01-31 Richard Guenther <rguenther@suse.de>
8538 Paolo Bonzini <bonzini@gnu.org>
8540 * doc/install.texi (--disable-libgcc-math): Document.
8542 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8544 * expr.h (expand_normal): new inline function.
8545 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8547 * dwarf2out.c: use it.
8552 * config/sparc/sparc.c: use it.
8553 * config/i386/i386.c: use it.
8554 * config/rs6000/rs6000.c: use it.
8555 * config/arm/arm.c: use it.
8556 * config/mips/mips.c: use it.
8557 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8559 2006-01-30 Roger Sayle <roger@eyesopen.com>
8561 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8562 argv to the appropriate type.
8564 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8566 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8569 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8572 * config/s390/s390.c (struct machine_function): New flag
8573 decomposed_literal_pool_addresses_ok_p.
8574 (s390_reorg): Set it before final stage of literal pool transforms.
8575 (s390_decompose_address): Only accept displacements of the form
8576 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8578 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8580 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8581 the comparison routine return.
8583 2006-01-30 Michael Matz <matz@suse.de>
8585 * global.c (find_reg): Only evict for global regs.
8586 Take n_refs into account and dump more info.
8588 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8591 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8592 (pragma_trap, pragma_nosave_low_regs): Likewise.
8593 (current_function_anonymous_args): Likewise.
8594 (sh_deferred_function_attributes): New variable.
8595 (sh_deferred_function_attributes_tail): Likewise.
8596 (print_operand): For '@', look up trap_exit attribute.
8597 (calc_live_regs): Look up trapa_handler attribute. For trapa
8598 handlers, save/restore fpscr, but don't do any other
8599 interrupt-specific saves.
8600 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8601 Fix check for partially saved registers to check for SHmedia.
8602 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8603 (sh_output_function_epilogue): Don't clear any of the removed
8605 (sh_insert_attributes): Don't check pragma_interrupt.
8606 Insert deferred attributes. Check that interrupt attribute is
8607 present for other attributes that require its presence.
8608 (sh_attribute_table): Add new attributes trapa_handler and
8610 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8611 Don't check for pragma_interrupt. Don't store argument.
8612 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8613 (sh_deferred_function_attributes): Declare.
8614 (sh_deferred_function_attributes_tail): Likewise.
8615 * sh.md (sp_switch_1): Add operand. Change generator caller.
8616 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8617 (*return_i): Don't use when trap_exit attribute is in effect.
8618 (*return_trapa): New insn pattern.
8620 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8621 setting c_target_objs and cxx_target_objs.
8622 * t-sh: Add rule for sh-c.o.
8624 2006-01-30 Richard Guenther <rguenther@suse.de>
8627 * gimplify.c (gimplify_target_expr): Handle easy cases
8628 without creating a temporary.
8630 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8632 * vec.h (safe_grow): Remove duplicated line.
8634 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8637 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8638 (expand_omp): ... here.
8639 (expand_omp_parallel): Only remove barriers for combined
8640 parallel+workshare constructs.
8642 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8646 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8647 * tree.c (build_qualified_type): Chain the new type to the original
8648 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8649 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8650 (build_pointer_type_for_mode): Only return unqualified types.
8651 (build_reference_type_for_mode): Likewise.
8653 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8655 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8656 * Makefile.in (CXX_COMPAT_WARN): Define.
8657 * configure: Regenerate.
8659 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8662 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8665 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8667 * toplev.c: Fix thinko.
8669 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8670 Marcin Dalecki <martin@dalecki.de>
8672 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8673 (push_srcloc): Use XNEW.
8674 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8676 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8678 * df-core.c (df_set_blocks): Deleted all variable.
8680 2006-01-28 Ian Lance Taylor <ian@airs.com>
8682 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8683 cgraph_output_pending_asms.
8685 2006-01-28 Zack Weinberg <zackw@panix.com>
8687 * c.opt: Add -W(no-)overlength-strings.
8688 * doc/invoke.texi: Document it.
8689 * c-opts.c (c_common_handle_option): -pedantic implies
8690 -Woverlength-strings, if not explicitly disabled already.
8691 (c_common_post_options): -Woverlength-strings defaults to off, and
8692 is always off for C++.
8693 * c-common.c (fix_string_type): Issue warning about strings longer
8694 than is portable only if warn_overlength_strings. Rearrange code
8695 a little for clarity.
8696 * configure.in: Check for -Wno-overlength-strings as well before
8697 enabling -pedantic in stage 1.
8698 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8699 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8701 * genconditions.c (write_header, write_one_condition)
8702 (write_conditions, write_writer): Consolidate very long strings
8703 that were broken up to fit in C89 portable limit. Don't use
8704 printf when fputs will do.
8706 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8708 * combine.c (simplify_comparison <AND>): Check
8709 TRULY_NOOP_TRUNCATION before start using a subreg.
8711 * config/mips/mips.md (*branch_zero<mode>,
8712 *branch_zero<mode>_inverted, *branch_equality<mode>,
8713 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8714 Remove mode check from comparisons.
8716 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8718 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8720 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8722 * expmed.c (const_mult_add_overflow_p): Remove.
8723 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8725 * recog.c (validate_replace_rtx_subexp): Remove.
8726 * recog.h: Remove the prototype for
8727 validate_replace_rtx_subexp.
8729 * integrate.h: Remove the prototype for
8730 copy_decl_for_inlining.
8731 * rtl.h: Remove the prototype for mark_constant_function.
8732 * tree-vectorizer.h: Remove the prototype for
8733 vect_strip_conversion.
8735 * modulo-sched.c (create_partial_schedule,
8736 free_partial_schedule, reset_partial_schedule): Make them
8739 * hooks.c (hook_bool_rtx_int_false): Remove.
8740 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8742 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8744 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8745 and -mlong-double-128 are incompatible.
8746 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8747 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8748 (TARGET_LIBGCC2_CFLAGS): Define.
8749 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8750 (TARGET_LIBGCC2_CFLAGS): Same.
8751 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8753 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8756 * c-typeck.c (build_binary_op): Perform implicit casts of
8757 operands before shortening them.
8759 * cfgloopmanip.c (split_loop_bb): Remove.
8760 * cfgloop.h: Remove the prototype for split_loop_bb.
8762 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8763 * cfgloop.h: Remove the prototype for
8764 flow_loop_outside_edge_p.
8766 * emit-rtl.c (init_virtual_regs): Make it static.
8767 * function.h: Remove the prototype for init_virtual_regs.
8769 * recog.c (peephole2_optimize): Make it static.
8770 * recog.h: Remove the prototype for peephole2_optimize.
8772 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8774 * df-scan.c (df_record_entry_block_defs): Check if
8775 INCOMING_RETURN_ADDR_RTX is defined.
8777 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8778 Kenneth Zadeck <zadeck@naturalbridge.com>
8780 PR rtl-optimization/24762
8781 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8782 * targhooks.c (hook_void_bitmap): New hook prototype.
8783 * targhoohs.h (hook_void_bitmap): Ditto.
8784 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8785 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8786 * target.h (live_on_entry): New function pointer.
8787 * df-scan.c (df_all_hard_regs): Removed.
8788 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8789 (df_scan_free_internal): Added df->entry_block_defs.
8790 (df_scan_alloc): Ditto.
8791 (df_scan_dump): Ditto.
8792 (df_uses_record): Plumbed flag field properly thru calls.
8793 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8794 This part fixes PR24762.
8795 (df_bb_refs_record): Added code to make the frame and arg
8796 pointers live in EH blocks.
8797 (df_refs_record): Added call to df_record_entry_block_defs.
8798 (df_record_entry_block_defs): New function.
8799 * df-core.c: Added comments to describe new artifical defs.
8800 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8801 (entry_block_defs): New field in struct df.
8802 (df_all_hard_regs): Deleted.
8803 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8804 * df-problems.c (df_ru_bb_local_compute_process_def):
8805 Added code to handle artifical defs in the entry to a function.
8806 (df_ru_bb_local_compute): Ditto.
8807 (df_rd_bb_local_compute_process_def): Ditto.
8808 (df_rd_bb_local_compute): Ditto.
8809 (df_lr_bb_local_compute): Ditto.
8810 (df_ur_bb_local_compute): Ditto.
8811 (df_urec_bb_local_compute): Ditto.
8812 (df_chain_create_bb): Ditto.
8813 (df_ur_local_finalize): Removed entry.
8814 (df_urec_init): Ditto.
8815 (df_urec_local_finalize): Ditto.
8816 (df_ri_bb_compute): Added detection of last use of pseudos.
8817 * Makefile.in (df-scan.o): Updated dependencies.
8818 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8819 * config/mips/mips.c (mips_set_live_on_entry): Added.
8820 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8822 * dce.c (marked_insn_p): Added code to handle artifical defs.
8824 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8826 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8828 (_mm_cvtsi128_si64): Likewise.
8829 (_mm_cvtsd_si64): Likewise.
8830 (_mm_cvttsd_si64): Likewise.
8831 (_mm_cvtsi64_sd): Likewise.
8832 (_mm_cvtsi64_si128): Likewise.
8833 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8834 (_mm_cvtsi64_m64): Likewise.
8835 (_m_to_int64): Likewise.
8836 (_mm_cvtm64_si64): Likewise.
8837 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8838 (_mm_cvttss_si64): Likewise.
8839 (_mm_cvtsi64_ss): Likewise.
8840 (_mm_cvtss_f32): Likewise.
8842 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8844 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8845 for pragma redefine_extname.
8847 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8850 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8851 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8852 -mno-minimal-toc to previous content.
8853 (bispecs): Remove goal.
8854 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8855 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8856 compatibility aliases on powerpc-*-*gnu*.
8857 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8858 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8859 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8860 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8861 (ldblspecs): New goal.
8862 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8863 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8865 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8866 L_sf_to_tf or L_df_to_tf is defined.
8868 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8869 Alan Modra <amodra@bigpond.net.au>
8872 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8873 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8874 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8875 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8876 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8877 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8878 (rs6000_override_options): Initialize rs6000_ieeequad.
8879 Initialize TFmode format to ibm_extended_format if not
8881 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8883 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8884 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8885 (function_arg_advance): IBM long double passed in two FPRs, not
8887 (function_arg): IBM long double passed in FPRs.
8888 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8889 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8890 Only multireg GPR aligned.
8891 (rs6000_init_libfuncs): Enable IBM long double functions if not
8893 (rs6000_generate_compare): Use IBM long double compare if not
8895 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8896 (TARGET_IEEEQUAD): Define.
8897 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8898 not TARGET_IEEEQUAD.
8899 * config/rs6000/rs6000.md: Enable TFmode patterns if
8901 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8902 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8903 and -mlong-double-128 are incompatible.
8904 * doc/invoke.texi (-mabi): Collect options together. Add
8905 ibmlongdouble and ieeelongdouble.
8907 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8909 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8911 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8912 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8913 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8914 * rtl.h (rtunion_def): Remove rt_ptr.
8916 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8917 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8918 * config/i386/winnt.c (i386_pe_mark_dllexport)
8919 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8921 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8923 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8925 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8929 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8930 pthread_key_delete. From John David Anglin. gthrw-ify
8931 pthread_getunique_np only if it it's not a macro. Delete
8933 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8934 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8935 __gthread_objc_condition_signal, __gthread_key_delete): Add
8936 "__attribute__ ((__unused__))" to unused arguments.
8937 (__gthread_recursive_mutex_init_function): Add missing return.
8938 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8939 gthr-posix95.h: Use macro-based approach for name redirection
8940 on targets missing weakref.
8942 2006-01-26 Zack Weinberg <zackw@panix.com>
8944 * genconditions.c (write_header): In generated code, #ifdef out
8945 all includes and fake declarations, except includes of bconfig.h
8946 and system.h, unless GCC_VERSION >= 3001. Do not include
8947 gensupport.h in any case.
8948 (write_conditions): Generate a definition of struct c_test. Add
8949 a comment to the generated #endif.
8950 (write_one_condition): Escape backslashes in string too.
8951 (write_writer): Generated code must escape backslashes and quote
8952 marks (but not newlines) in the strings it writes.
8953 * Makefile.in (build/gencondmd.o): Update dependencies.
8955 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8958 * Makefile.in (insn-automata.o): Add header file dependencies.
8959 * genautomata.c: Add includes.
8961 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8964 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8966 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8968 * configure.ac: Expect target tools paths to be passed from the toplevel
8969 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8971 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8973 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8976 * c.opt (Wpointer-sign): Init to -1.
8977 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8978 OPT_pedantic, to 0 otherwise.
8979 * doc/invoke.texi: Update.
8981 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8983 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8984 constants provided by 80387 instructions in the destination mode.
8986 2006-01-26 Richard Guenther <rguenther@suse.de>
8987 Andrew Pinski <pinskia@physics.uc.edu>
8990 partial PR tree-opt/17064
8991 * tree-ssa-structalias.c (intra_create_variable_infos):
8992 Create heap variables for incoming parameters if
8993 flag_argument_noalias > 1.
8994 (find_what_p_points_to): Look through default defs of
8997 2006-01-26 Jeff Law <law@redhat.com>
9000 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9001 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9002 within the VR_RANGE, use the VR_RANGE as the result, not the
9004 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9005 bounds for the type.
9007 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9009 * tree-ssa-alias.c (maybe_create_global_var): Change
9010 subvar walking to an assertion that we don't have subvar'd variables.
9012 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9015 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9016 Use a new variable, inner. PARM_DECLs are always non-weak.
9018 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9020 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9023 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9025 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9027 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9029 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9030 (smax_insn, smin_insn, smax_0, smin_0): New.
9032 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9035 * config/cris/cris.c (cris_order_for_addsi3): New function.
9036 * config/cris/cris-protos.h: Prototype it.
9037 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9038 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9039 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9040 (split for "op.S1 [rx=rx+i],ry (swapped)")
9041 (split for "op(s|u).S1 [rx=rx+i],ry")
9042 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9043 Apply cris_order_for_addsi3 when generating addsi3 insns.
9045 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9047 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9048 (TREE_BLOCK): Add call to EXPR_CHECK.
9050 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9053 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9054 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9055 (dump_omp_clauses): ... here.
9056 (dump_generic_node): Handle OMP_CLAUSE.
9057 * tree.c (omp_clause_num_ops): New.
9058 (omp_clause_code_name): New.
9059 (tree_code_size): Handle OMP_CLAUSE.
9060 (tree_size): Likewise.
9061 (make_node): Document handling of OMP_CLAUSE.
9062 (tree_node_structure): Handle OMP_CLAUSE.
9063 (omp_clause_check_failed): New.
9064 (omp_clause_range_check_failed): New.
9065 (omp_clause_operand_check_failed): New.
9066 (build_omp_clause): New.
9067 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9068 * tree.h (enum omp_clause_code): Declare.
9069 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9070 (OMP_CLAUSE_RANGE_CHECK): Define.
9071 (OMP_CLAUSE_ELT_CHECK): Define.
9072 (omp_clause_check_failed): Declare.
9073 (omp_clause_operand_check_failed): Declare.
9074 (omp_clause_range_check_failed): Declare.
9075 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9076 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9077 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9078 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9079 (OMP_CLAUSE_IF_EXPR): Likewise.
9080 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9081 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9082 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9083 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9084 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9085 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9086 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9087 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9088 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9089 (OMP_CLAUSE_CODE): Define.
9090 (OMP_CLAUSE_SET_CODE): Define.
9091 (OMP_CLAUSE_CODE): Define.
9092 (OMP_CLAUSE_OPERAND): Define.
9093 (struct tree_omp_clause): Declare.
9094 (union tree_node): Add field 'omp_clause'.
9095 * treestruct.def (TS_OMP_CLAUSE): Define.
9096 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9097 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9098 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9099 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9100 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9101 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9102 (OMP_CLAUSE): Define.
9103 * print-tree.c (print_node): Handle OMP_CLAUSE.
9104 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9105 * c-typeck.c: Likewise.
9106 * gimplify.c: Likewise.
9107 * c-omp.c: Likewise.
9108 * tree-nested.c: Likewise.
9109 * tree-inline.c: Likewise.
9110 * c-parser.c: Likewise.
9111 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9114 2006-01-25 Roger Sayle <roger@eyesopen.com>
9116 PR rtl-optimization/25703
9117 * combine.c (try_combine): Handle zero_extract and strict_low_part
9118 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9120 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9122 * global.c: Fix comment typos.
9124 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9127 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9128 Use output_addr_const instead of assemble_name.
9130 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9132 * Makefile.in (sched-vis.o): Update dependencies.
9133 * haifa-sched.c (sched_finish): Clear current_sched_info.
9134 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9135 (dump_flow_info): Call it.
9136 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9138 * basic-block.h (dump_bb_info): Declare.
9139 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9140 option, and apply options only for dump files whose TDF_RTL,
9141 TDF_TREE, or TDF_IPA bits match.
9142 * rtl.h: Declare new functions exported from sched-vis.c.
9143 * sched-vis.c: Enable also if scheduling is not used.
9144 (print_value): Print the mode of registers if not inside scheduling.
9145 (print_insn): Make it work outside the scheduler. Beautify the output
9147 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9149 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9151 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9152 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9153 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9154 depending on the value of CONSTANT_POOL_ADDRESS_P.
9155 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9157 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9158 rather than SYMBOL_REF_DECL.
9159 (rtx_constant_pool): Remove const_rtx_sym_htab.
9160 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9161 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9162 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9163 Remove handling of const_rtx_sym_htab.
9164 (find_pool_constant): Delete.
9165 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9166 rather than find_pool_constant.
9167 (get_pool_constant_for_function): Delete.
9168 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9170 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9171 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9172 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9173 (SYMBOL_REF_CONSTANT): New macro.
9174 (get_pool_constant_for_function): Delete.
9175 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9176 rather than SYMBOL_REF_DECL.
9177 (i386_pe_mark_dllimport): Likewise.
9178 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9179 rather than SYMBOL_REF_DECL.
9180 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9181 (machopic_indirect_call_target): Likewise.
9183 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9185 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9187 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9189 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9191 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9193 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9195 2006-01-24 David Daney <ddaney@avtrex.com>
9198 * configure.ac (enable_tls): New enable option.
9199 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9200 * configure: Regenerate.
9201 * doc/install.texi (--enable-tls): Document new option.
9202 (--disable-tls): Ditto.
9204 2006-01-24 Richard Henderson <rth@redehat.com>
9206 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9207 * alias.c (true_dependence): Respect it.
9208 (canon_true_dependence, write_dependence_p): Likewise.
9209 * builtins.c (get_builtin_sync_mem): Set it.
9211 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9213 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9216 2006-01-24 DJ Delorie <dj@redhat.com>
9218 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9219 for storing constants in single-bit bitfields.
9221 2006-01-25 Ben Elliston <bje@au.ibm.com>
9223 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9225 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9228 * tree-ssa-pre.c (phi_translate): Return NULL
9229 for AGGREGATE_TYPE's.
9231 2006-01-24 Zack Weinberg <zackw@panix.com>
9233 * genautomata.c (process_state_for_insn_equiv_partition):
9234 Use xcalloc for insn_arcs_array.
9235 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9236 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9238 2006-01-24 Richard Henderson <rth@redhat.com>
9240 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9243 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9245 PR rtl-optimization/25890
9246 PR rtl-optimization/25905
9247 * combine.c (expand_compound_operation, expand_field_assignment):
9248 Fail if the bitfield's final position is out of bounds.
9250 2006-01-24 Ian Lance Taylor <ian@airs.com>
9253 * cgraphunit.c (cgraph_output_in_order): Don't clear
9254 cgraph_asm_nodes until after asm strings have been output.
9256 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9258 * fix-header.c (read_scan_file): Add new parameter imultilib when
9259 calling register_include_chains.
9261 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9263 * omp-low.c: Update documentation.
9265 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9266 Daniel Berlin <dberlin@dberlin.org>
9270 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9271 return from the function.
9273 2006-01-22 Zack Weinberg <zackw@panix.com>
9275 * rtl.def (match_code): Add second argument.
9276 * genpreds.c (write_extract_subexp): New function.
9277 (write_match_code): Add path argument. Use write_extract_subexp.
9278 (write_predicate_expr): Pass path to write_match_code.
9279 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9280 not perform a mode test.
9281 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9282 a subexpression does not constrain the top-level code set.
9283 * read-rtl.c (read_rtx_variadic): New function.
9284 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9285 * doc/md.texi: Document new notation.
9286 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9287 (cmpsi_operand): ... here, using new notation.
9289 2006-01-22 Zack Weinberg <zackw@panix.com>
9291 * varray.c: Remove GENERATOR_FILE #ifdefs.
9293 2006-01-22 Zack Weinberg <zackw@panix.com>
9295 * genautomata.c (output_reserved_units_table): Emit nothing if
9296 description->query_units_num is zero. Remove extra blank line.
9297 (output_cpu_unit_reservation_p): Short circuit
9298 if description->query_units_num is zero.
9300 2006-01-22 Zack Weinberg <zackw@panix.com>
9302 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9303 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9304 nor any of the random handful of variables that used to be necessary
9305 when this program was linked with rtlanal.o. Prune set of forward
9306 function declarations.
9307 (struct attr_desc): Remove static_p field.
9308 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9309 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9310 (attr_string): Do not read the character one past the length of
9312 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9313 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9314 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9315 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9316 (make_automaton_attrs): New.
9317 (main): Do not call into genautomata. Call local gen_bypass
9318 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9319 Remove special case for insn_alts.
9320 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9321 varray.h (leftover from previous change). Prune set of forward
9322 function declarations. Remove state_alts fields from all
9323 structures. Remove state_alts_table from struct automaton.
9324 Make everything except main static. Do not maintain num_dfa_decls.
9325 Do not maintain state_alts fields of various structures.
9326 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9327 (add_arc): Remove state_alts argument. All callers updated.
9328 (output_reserved_units_table): Emit #ifdef here...
9329 (output_tables): ...not here. Don't generate state_alts tables.
9330 (expand_automata): Don't generate attributes.
9331 (write_automata): Don't generate state_alts functions.
9332 (main): New function.
9333 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9334 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9335 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9336 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9337 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9338 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9339 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9340 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9342 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9343 * genattrtab.h: Delete file.
9344 * Makefile.in (OBJS-common): Add insn-automata.o.
9345 (insn-automata.o): New rule.
9346 (simple_generated_c): Add insn-automata.c.
9347 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9348 (genprogmd): Add automata.
9349 (build/genattrtab): Needs no extra objects nor libraries.
9350 (build/genautomata): Needs build/vec.o and -lm.
9352 2006-01-22 Zack Weinberg <zackw@panix.com>
9354 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9355 (output_dfa_max_issue_rate, locked_states_num): Delete.
9356 (struct automaton): Add locked_states field.
9357 (output_dead_lock_vect): Save number of locked states in
9358 automaton->locked_states. If it is zero, don't print anything.
9359 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9360 (output_internal_dead_lock_func): Only test the dead_lock_vect
9361 for automata that have locked states.
9362 (output_statistics): Always print the number of locked states for
9363 each automaton. Calculate total number of locked states here.
9364 (write_automata): Don't call output_dfa_max_issue_rate.
9365 * genattrtab.c: Define length_unit_log as a const variable.
9366 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9367 max_insn_queue_index const.
9368 * final.c (length_unit_log): Declare const.
9369 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9371 2006-01-22 Zack Weinberg <zackw@panix.com>
9373 * genautomata.c: Include vec.h, not varray.h.
9374 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9375 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9376 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9377 VEC_* macros operating on appropriately typed vectors, or to
9378 malloced arrays when the size is known in advance. Const-ify
9379 many char* variables and function arguments. No functional changes.
9380 * Makefile.in (build/varray.o): Delete rule.
9381 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9382 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9384 2006-01-22 Zack Weinberg <zackw@panix.com>
9386 * gensupport.c: Define get_insn_name and record_insn_name here.
9387 (read_md_rtx): Call record_insn_name as appropriate.
9388 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9389 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9390 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9392 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9393 (BUILD_VARRAY): Delete.
9394 (genprognormal): Rename genprogmd. Fold in all programs from
9395 genprognoprint; also attrtab.
9396 (build/genattrtab): Just mention genautomata.o and varray.o.
9397 Reorganize a bit, add comments to make the categories clearer.
9399 2006-01-22 Zack Weinberg <zackw@panix.com>
9401 * genconditions.c (condition_table, add_condition): Delete.
9402 (write_conditions): Don't emit n_insn_conditions nor
9403 insn_elision_unavailable. Issue the gcc version #ifdef here,
9404 inside the table, with no #else clause ...
9405 (write_header): ...not here.
9406 (write_writer): New function.
9407 (main): Don't initialize condition_table. Use add_c_test.
9409 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9410 files on the command line.
9411 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9412 Return -1 if there is no entry in the table, don't abort.
9413 (add_c_test, traverse_c_tests): New functions.
9414 * gensupport.h (insn_elision_unavailable, insn_conditions)
9415 (n_insn_conditions): Delete declarations.
9416 (add_c_test, traverse_c_tests): Declare.
9417 * read-rtl.c: Include gensupport.h.
9418 (read_conditions): New function.
9419 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9420 (read_rtx_1): If we get EOF when we were looking for an initial
9421 open paren, return 0. Call read_conditions when appropriate.
9422 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9423 dummy-conditions.o. Eliminate references to insn-conditions.o,
9424 or change them to build/gencondmd.o, as appropriate. Remove
9425 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9426 from $(simple_generated_c). For all files remaining in those
9427 two lists, add insn-conditions.md to the generator command line.
9428 Give insn-constants.h/s-constants their own rules. Add rules
9429 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9430 (build/read-rtl.o): Depend on gensupport.h.
9431 (genprognormal): Include preds.
9432 (genprogearly): Rename genprognoprint; only difference is now that
9433 they don't link with $(BUILD_PRINT).
9434 * dummy-conditions.c: Delete.
9436 2006-01-22 Zack Weinberg <zackw@panix.com>
9438 * genextract.c: Don't include insn-config.h. Do include vec.h.
9439 Declare vectors of int, char, and locstr.
9440 (locstr): New typedef.
9441 (struct extraction): Make all array fields into bare pointers.
9442 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9443 (insn_code_number): Delete.
9444 (accum_extract): New struct.
9445 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9446 (gen_insn): Take insn_code_number as an argument. Use an
9447 accum_extract structure instead of loading data directly into
9448 a struct extraction, and having to know how big it might get.
9449 (walk_rtx): Operate entirely on an accum_extract structure.
9450 (print_path): Avoid unnecessary use of printf.
9451 (print_header): New function, split out of main. Distinguish
9452 more carefully between an unrecognizable insn and an insn that
9453 has the code number of a define_expand.
9454 (main): Pass insn_code_number to gen_insn. Call print_header
9455 only after parsing. Avoid unnecessary use of printf.
9456 * Makefile.in (build/vec.o): New rule.
9457 (build/genextract): Depend on build/vec.o.
9458 (build/genextract.o): Don't depend on insn-config.h.
9460 2006-01-22 Zack Weinberg <zackw@panix.com>
9462 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9463 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9464 practical. Eliminate per-generator-program link rules.
9466 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9469 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9470 with a call expr to ...
9471 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9473 2006-01-23 Richard Guenther <rguenther@suse.de>
9475 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9476 before make_edge with conditional EDGE_TRUE_VALUE.
9478 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9479 Jan Hubicka <jh@suse.cz>
9480 Richard Guenther <rguenther@suse.de>
9482 PR rtl-optimization/25654
9483 * cfgexpand.c (aggregate_contains_union_type): New function.
9484 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9485 for structure variables that contain a union type.
9487 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9489 * gengtype.c (new_structure): Return the structure.
9490 (create_option): Add an extra "next" argument.
9491 (create_field): New function.
9492 (adjust_field_rtx_def): Use create_option and create_field.
9493 Remove a now-unnecessary call to find_structure.
9494 (adjust_field_tree_def): Likewise.
9495 (note_yacc_type): Remove an unnecessary call to find_structure.
9496 * gengtype.h (new_structure): Return the structure.
9497 (create_option): Add an extra argument.
9498 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9499 (option): Adjust calls to create_option.
9501 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9503 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9505 2006-01-22 Paul Brook <paul@codesourcery.com>
9506 Peter Barada <peter@the-baradas.com>
9508 * config/m68k/m68k.md: Add Coldfire FPU support.
9509 Define FP mode macro and associated attributes.
9510 Use it for float mode patterns.
9511 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9512 (LIBCALL_VALUE): Use m68k_libcall_value.
9513 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9514 (m68k_function_value): Ditto.
9515 (emit_move_sequence): Ditto.
9516 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9517 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9518 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9519 (MULTILIB_EXCEPTIONS): Ditto.
9520 * config/m68k/m68k.opt: Add mcfv4e.
9521 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9522 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9523 (m68k_output_function_prologue): Save ColdFire FPU registers.
9524 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9525 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9526 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9527 ColdFire FPU registers.
9528 (m68k_libcall_value, m68k_function_value): New functions.
9529 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9530 (LIBCALL_VALUE): Use m68k_libcall_value.
9531 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9532 (MASK_COLDFIRE): Add MASK_CFV4E.
9533 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9534 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9535 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9536 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9537 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9538 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9539 * doc/invoke.tex: Document -mcfv4e on m68k.
9541 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9543 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9546 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9549 * c-opts.c (c_common_handle_option): Don't include
9550 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9551 * doc/invoke.texi (C++ Dialect Options): Document that
9552 -Wnon-virtual-dtor is no longer included in -Wall.
9554 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9556 * gcov.c (print_version), gcov-dump.c (print_version),
9557 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9560 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9562 * df-scan.c (problem_SCAN): Added NULL reset function.
9563 (df_scan_reset_blocks): Added code to call reset block function
9564 (df_bb_refs_delete) Fixed comment.
9565 (df_insn_refs_delete): Made tolerant of deleting non existent info
9566 for dataflow problems that need to be reset.
9567 * df-core.c (df_set_blocks): Ditto.
9568 * df.h (struct df_problem): Added reset_fun.
9569 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9570 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9571 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9572 functions to clear out all references to def-use or use-def chains.
9574 2006-01-21 Ben Elliston <bje@au.ibm.com>
9576 * varasm.c (assemble_real): Initialise data array.
9578 2006-01-20 Paul Brook <paul@codesourcery.com>
9580 Merge from csl-arm-branch.
9581 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9582 * config/arm/arm.md (movdi): Force operands[1] to a register
9583 if we have a non-register source.
9584 (*arm_movdi, *movdf_soft_insn): Require that one of the
9585 operands be a register.
9586 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9587 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9589 2006-01-20 DJ Delorie <dj@redhat.com>
9591 * varasm.c (initialize_constant_valid_p): Allow pointers
9592 initialized from integer constants of lesser precision.
9593 (output_constant): Allow non-int-sized pointer modes to be
9594 initialized from integer constants.
9596 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9599 * cppdefault.h (struct default_include): Add multilib flag.
9600 * cppdefault.c (cpp_include_defaults): Set it.
9601 * c.opt (-imultilib): New option.
9602 * c-opts.c (imultilib): New.
9603 (c_common_handle_option): Handle -imultilib.
9604 (c_common_post_options): Likewise.
9605 * c-incpath.c (add_standard_paths, register_include_chains):
9607 * c-incpath.h (register_include_chains): Add extra parameter.
9608 * gcc.c (do_spec_1): Generate -imultilib option.
9609 (The Specs Language): Update %I description.
9610 (process_command): Update copyright notice.
9611 * doc/cppopts.texi (-imultilib): Document.
9612 * doc/invoke.texi (-imultilib): Include in option summary.
9613 (%I): Update specs documentation.
9615 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9617 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9619 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9621 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9624 2006-01-20 Richard Guenther <rguenther@suse.de>
9625 Steven Bosscher <stevenb.gcc@gmail.com>
9627 PR rtl-optimization/24626
9628 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9629 EDGE_TRUE_VALUE if in RTL mode.
9632 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9633 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9635 2006-01-20 Dirk Mueller <dmueller@suse.com>
9638 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9639 instead of a special NOP marker.
9640 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9641 NOP marker handling.
9642 * c-common.h (empty_body_warning): Add forward declaration.
9643 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9644 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9646 2006-01-20 Paul Brook <paul@codesourcery.com>
9648 * Makefile.in (lang_checks): Keep going if mkdir fails.
9650 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9652 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9653 be able to clean out basic block when not necessary.
9654 (df_scan_free): Fixed to properly delete information if df is
9655 unused before calling df_finish.
9656 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9657 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9659 (df_bb_refs_delete): New function.
9660 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9661 * df-core.c (df_set_blocks): Added code to properly clean out
9662 unused blocks if they are not part of the blocks to consider.
9663 Added additional null check.
9664 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9665 be able to clean out basic block when not necessary
9666 * df.h (df_free_bb_function): Ditto.
9667 (df_bb_refs_delete): New function.
9668 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9669 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9670 basic block parameter to be able to clean out basic block when not
9672 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9673 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9674 Fixed to properly delete information if df is unused before
9677 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9679 PR rtl-optimization/25799
9680 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9681 Corrected confluence operator to remove bits from op2 before oring
9682 with op1 rather than removing bits from op1.
9683 (df_ru_transfer_function): Corrected test on wrong bitmap which
9684 caused infinite loop. Both of these problems were introduced in
9685 the dataflow rewrite.
9687 2006-01-19 DJ Delorie <dj@redhat.com>
9689 * reload1.c (find_reload_regs): Note the details of reload
9690 failures in the dump file.
9691 (spill_failure): Likewise.
9693 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9695 * loop-iv.c: Include df.h and hashtab.h.
9696 (enum iv_grd_result): New enum.
9697 (DF_REF_IV, DF_REF_IV_SET): New macros.
9698 (struct biv_entry): New.
9699 (df, bivs): New global variables.
9700 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9701 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9703 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9704 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9705 analyzed_for_bivness_p, record_biv): New functions.
9706 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9707 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9708 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9710 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9712 (iv_number_of_iterations): Use new interface to iv analysis.
9713 * loop-unroll.c: Do not include varray.h.
9714 (analyze_iv_to_split_insn): Use new interface to iv
9716 * loop-unswitch.c (may_unswitch_on): Ditto.
9717 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9719 (df_bb_modify): Realloc tables to the new index.
9720 (df_find_use): New function.
9721 * df.h (df_find_use): Declare.
9722 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9724 * cfgloop.h (struct rtx_iv): Remove analysed field.
9725 (iv_get_reaching_def): Removed.
9726 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9727 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9728 (loop-iv.o): Add df.h and hashtab.h dependency.
9729 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9731 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9734 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9736 (__floatundisf, __floatundidf): Likewise.
9737 * libgcc2.h (IS_IBM_EXTENDED): Define.
9739 2006-01-19 DJ Delorie <dj@redhat.com>
9741 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9743 2006-01-19 Paul Brook <paul@codesourcery.com>
9745 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9746 as nothrow when unwinding tables are disabled.
9748 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9751 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9752 of bit-field" when in system header.
9754 2006-01-19 DJ Delorie <dj@redhat.com>
9756 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9757 the 16 bit shift limit of the m16c.
9759 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9762 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9763 * config/i386/i386.c (output_set_got): Output the label if we have one
9764 for the TARGET_DEEP_BRANCH_PREDICTION case.
9766 2006-01-19 Jan Hubicka <jh@suse.cz>
9767 H.J. Lu <hongjiu.lu@intel.com>
9768 Evandro Menezes <evandro.menezes@amd.com>
9770 * invoke.texi (generic): Document
9772 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9773 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9774 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9775 (x86_use_incdec, x86_pad_returns): New variables
9776 (TARGET_CPU_DEFAULT_generic): New constant
9777 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9778 (enum processor_type): Add generic32 and generic64.
9779 * i386.md (cpu attribute): Add generic32/generic64
9780 (movhi splitter): Behave sanely when both partial_reg_dependency and
9781 partial_reg_stall are set.
9782 (K8 splitters): Enable for generic as well.
9783 * predicates.md (incdec_operand): Use TARGET_INCDEC
9784 (aligned_operand): Avoid memory mismatch stalls.
9785 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9786 * ppro.md: Enable for generic32
9787 * i386.c (generic64_cost, generic32_cost): New.
9788 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9789 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9790 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9791 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9792 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9793 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9794 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9795 x86_accumulate_outgoing_args, x86_prologue_using_move,
9796 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9797 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9799 (x86_use_incdec, x86_pad_returns): New.
9800 (override_options): Add generic32 and generic64, translate "generic"
9801 to generic32/generic64 and "i686" to "generic32", refuse
9802 "generic32"/"generic64" as arch target.
9803 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9804 (ix86_reorg): Honor PAD_RETURNS.
9806 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9808 * tree-pretty-print.c (dump_generic_node): Handle
9809 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9810 * cgraph.c (cgraph_expand_queue): Rename from
9811 cgraph_analyze_queue. Update all users.
9812 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9813 cgraph_expand_queue.
9814 (cgraph_expand_all_functions): Likewise.
9815 (cgraph_finalize_pending_functions): Remove. Update callers.
9817 * tree.h (OMP_DIRECTIVE_P): Define.
9818 (OMP_PARALLEL_FN): Define.
9819 (OMP_PARALLEL_DATA_ARG): Define.
9820 (OMP_SECTIONS_SECTIONS): Define.
9821 * tree-pass.h (pass_expand_omp): Declare.
9822 * omp-low.c (struct omp_region): Declare.
9823 (struct omp_context): Remove fields 'parallel_type',
9824 'parallel_start_ix' and 'parallel_start_additional_args'.
9826 (struct omp_for_data): Rename from struct expand_omp_for_data.
9827 (omp_regions): New static variable.
9828 (root_omp_region): New static variable.
9829 (find_omp_clause): Make static.
9830 (is_in_combined_parallel_ctx): Remove.
9831 (is_combined_parallel): New.
9832 (extract_omp_for_data): Move earlier in the file.
9833 (workshare_safe_to_combine_p): New.
9834 (get_ws_args_for): New.
9835 (determine_parallel_type): Move earlier in the file.
9836 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9838 (omp_copy_decl): Likewise.
9839 (create_omp_child_function): Likewise.
9840 (lookup_omp_region): New.
9841 (dump_omp_region): New.
9842 (debug_omp_region): New.
9843 (debug_all_omp_regions): New.
9844 (new_omp_region): New.
9845 (scan_omp_parallel): If parallel_nesting_level > 1, the
9846 directive is nested within another parallel directive.
9847 Set OMP_PARALLEL_FN.
9848 (scan_omp_for): Do not try to handle combined parallel+for
9850 Remove FIXME comment.
9851 (scan_omp_nested): Remove.
9852 (scan_omp_1): Do not call scan_omp_nested when
9853 parallel_nesting_level is > 1.
9854 Do not change the DECL_CONTEXT of local variables found.
9855 (lookup_decl_in_outer_ctx): New.
9856 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9857 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9858 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9859 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9860 If CTX is nested, lookup VAR in the outer context when
9861 building copy assignment.
9862 (lower_send_clauses): Rename from expand_send_clauses.
9863 If CTX is nested, lookup VAR in the outer context when
9864 building copy assignments.
9865 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9866 If CTX is nested, lookup VAR in the outer context when
9867 building copy assignments.
9868 (expand_parallel_call): Rename from build_parallel_call.
9869 Handle combined parallel+workshare cases.
9870 Re-implement to emit code into the CFG.
9872 (expand_omp_parallel): Re-implement to emit code into the CFG.
9873 Call move_sese_region_to_fn to outline the sub-graph
9874 containing the parallel region.
9875 (expand_omp_for_1): Remove.
9876 (expand_omp_for_generic): Re-implement to emit code into the
9878 (expand_omp_for_static_nochunk): Likewise.
9879 (expand_omp_for_static_chunk): Likewise.
9880 (expand_omp_for): Likewise.
9881 (expand_omp_sections): Likewise.
9882 (remove_exit_barriers): New.
9883 (expand_omp_synch): New.
9885 (build_omp_regions_1): New.
9886 (build_omp_regions): New.
9887 (execute_expand_omp): New.
9888 (gate_expand_omp): New.
9889 (pass_expand_omp): Define.
9890 (lower_omp_sections): Rename from expand_omp_sections.
9891 Set OMP_SECTIONS_SECTIONS.
9892 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9893 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9894 (lower_omp_single): Rename from expand_omp_simple.
9895 (lower_omp_master): Rename from expand_omp_master.
9896 (lower_omp_ordered): Rename from expand_omp_ordered.
9897 (lower_omp_critical): Rename from expand_omp_critical.
9898 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9899 (lower_omp_for): Re-implement.
9900 (lower_omp_parallel): Re-implement.
9901 (lower_regimplify): Rename from expand_regimplify.
9902 (lower_omp_1): Rename from expand_omp_1.
9903 If there are syntax errors in the program, replace every
9904 OpenMP directive with NOP.
9905 Call lower_omp_* instead of expand_omp_*.
9906 (lower_omp): Rename from expand_omp.
9908 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9909 * tree-gimple.h (enum omp_parallel_type): Remove.
9910 (gimple_boolify): Declare extern.
9911 (find_omp_clause, determine_parallel_type): Remove.
9913 * gimple-low.c (lower_omp_directive): New.
9914 (lower_stmt): Call it.
9915 (record_vars_into): Move from ...
9916 (record_vars): ... here.
9917 Call record_vars_into with current_function_decl.
9919 * gimplify.c (struct gimplify_ctx): Remove fields
9920 combined_pre_p and combined_ctxp. Update users.
9921 (get_formal_tmp_var): Add documentation.
9922 (gimple_boolify): Make extern.
9923 (gimplify_expr_in_ctx): Remove. Update callers.
9924 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9925 will always be a BIND_EXPR.
9926 (gimplify_expr): Handle OMP_RETURN_EXPR.
9927 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9928 (OMP_PARALLEL): Add 3 operands.
9929 (OMP_SECTIONS): Add 1 operand.
9930 (OMP_RETURN_EXPR): Define.
9932 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9933 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9934 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9935 creating a circular free list.
9936 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9938 * tree-flow.h (move_sese_region_to_fn): Declare.
9939 (record_vars_into): Declare.
9940 * tree-cfg.c (make_omp_sections_edges): New.
9941 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9942 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9943 OMP_SECTIONS and OMP_SECTION.
9944 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9945 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9946 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9947 (gather_blocks_in_sese_region): New.
9948 (struct move_stmt_d): Declare.
9950 (move_block_to_fn): New.
9951 (move_sese_region_to_fn): New.
9953 * passes.c (init_optimization_passes): Schedule
9954 pass_expand_omp after pass_init_datastructures.
9956 * tree-ssa-operands.c (get_expr_operands): Handle
9957 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9958 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9960 2006-01-19 Jeff Law <law@redhat.com>
9962 * tree-vrp.c (extract_range_from_assert): Refine the result range
9963 if the variable referenced by the ASSERT_EXPR has a range and
9964 either the tentative result range or the previous range is a
9967 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9969 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9971 2006-01-19 Jan Hubicka <jh@suse.cz>
9973 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9975 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9977 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9978 (expand_compound_operation, expand_field_assignment): Fail if the
9979 bit lengths of an extract operation are out of range.
9980 (make_extraction): Compute wanted_inner_mode based on the position
9981 and length of the extraction. Make it extraction_mode for non-constant
9982 positions, and do not modify offset in that case. When generating a
9983 new MEM, use a mode that can hold the extraction while keeping correct
9984 alignment. Remove code that supported MEMs wrapped by USEs.
9985 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9987 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9989 * config/s390/s390.md ("Y", "y"): New mode attribute.
9990 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9991 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9992 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9993 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9994 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9995 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9996 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9997 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9998 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9999 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10000 "addsi3", "subsi3"): Insn patterns removed.
10001 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10002 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10003 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10004 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10005 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10006 "*sub<mode>3_cconly2"): New insn patterns.
10007 ("addsi3", "subsi3"): New expanders.
10009 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10011 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10012 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10013 existing STMT_VINFO_VECTYPE if available.
10014 (vect_mark_relevant): Add special handling for stmts that are
10015 marked as STMT_VINFO_IN_PATTERN_P.
10016 (vect_analyze_loop): Call vect_pattern_recog.
10017 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10018 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10020 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10021 (vect_recog_func_ptr): New function-pointer type.
10022 * tree-vect-patterns.c: New file.
10023 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10024 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10025 (vect_pattern_recog_1): New functions.
10026 (vect_pattern_recog_funcs): New array of function pointers.
10028 * tree-vectorizer.h (ternary_op): New enum value.
10029 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10030 declaration. Revised documentation. Removed redundant dump prints.
10031 Removed redundant argument. Added support for reduction patterns.
10032 (vectorizable_reduction): Added support for reduction patterns.
10033 (vect_transform_stmt): Added support for patterns.
10035 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10036 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10037 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10038 (expand_widen_pattern_expr): New function.
10039 (init_optabs): Initialize new optabs udot_prod_optab,
10041 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10042 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10043 (expand_widen_pattern_expr): New function declaration.
10044 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10046 * tree-inline.c (estimate_num_insns_1): Added cases for new
10047 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10048 * tree-pretty-print.c (dump_generic_node): Likewise.
10049 (op_prio): Likewise.
10050 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10051 * tree-ssa-operands.c (get_expr_operands): Added case for
10053 * tree-vect-patterns.c (widened_name_p): New function.
10054 (vect_recog_dot_prod_pattern): Added function implementation.
10055 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10056 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10057 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10058 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10060 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10061 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10062 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10063 (init_optabs): Initialize new optabs widen_ssum_optab,
10065 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10066 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10067 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10068 use instead of type of def.
10069 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10070 function implementation.
10071 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10072 widen_ssumv8hi): New.
10074 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10077 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10080 * c-decl.c (add_flexible_array_elts_to_size): New function.
10081 (finish_decl): Use it.
10083 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10085 * diagnostic.h: Include options.h.
10086 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10087 dependancies for diagnostic.h.
10088 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10090 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10092 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10093 (ssa_ro_call_cache_valid): Ditto.
10094 * tree-ssa-alias.c (sort_tags_by_id): New function.
10095 (init_transitive_clobber_worklist): Ditto.
10096 (add_to_worklist): Ditto.
10097 (mark_aliases_call_clobbered): Ditto.
10098 (compute_tag_properties): Ditto.
10099 (set_initial_properties): Ditto.
10100 (compute_call_clobbered): Ditto.
10101 (compute_may_aliases): Call compute_call_clobbered and grouping.
10102 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10103 (compute_flow_insensitive_aliasing): Grouping now happens in our
10105 (setup_pointers_and_addressables): Remove clobbering related code.
10106 (add_may_alias): Ditto.
10107 (replace_may_alias): Ditto.
10108 (get_nmt_for): Ditto.
10109 (create_global_var):
10110 (is_escape_site): Return an escape_type enumeration.
10111 * tree-flow-inline.h (is_call_clobbered): Global var does not
10112 imply call clobbered.
10113 (mark_call_clobbered): Take a reason for marking this. Remove
10114 marking of globalness, and cache invalidation.
10115 (clear_call_clobbered): Remove cache invalidation code.
10116 * tree-dfa.c (dump_variable): If details is on, dump the reason
10118 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10120 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10121 (struct var_ann_d): Ditto.
10122 (enum escape_type): New.
10123 (mark_call_clobbered): Adjust prototype.
10124 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10125 are never call clobbered.
10126 Record reasons for escaping.
10127 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10128 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10129 (ssa_ro_call_cache_valid): Ditto.
10130 (clobbered_v_may_defs): Ditto.
10131 (clobbered_vuses): Ditto.
10132 (ro_call_vuses): Ditto.
10133 (clobber_stats): New.
10134 (init_ssa_operands): Zero out clobber stats.
10135 (fini_ssa_operands): Print out clobber stats.
10136 (get_call_expr_operands): Pass callee fndecl to
10137 add_call_read_ops).
10138 (add_call_clobber_ops): Remove use of cache.
10139 Add use of PURE_CONST information.
10140 (add_call_read_ops): Remove use of cache.
10141 Add use of static not_read information.
10143 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10145 Introduce TLS descriptors for i386 and x86_64.
10146 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10147 (TARGET_ANY_GNU_TLS): New macro.
10148 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10149 (struct machine_function): Add tls_descriptor_call_expanded_p.
10150 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10151 (ix86_current_function_calls_tls_descriptor): Likewise.
10152 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10153 (override_options): Introduce gnu2 tls dialect.
10154 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10156 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10158 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10159 (ix86_init_machine_status): Initialize new field.
10160 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10161 (ix86_tls_module_base): New.
10162 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10163 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10164 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10165 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10166 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10167 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10168 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10169 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10170 * config/i386/predicates.md (tls_modbase_operand): New.
10171 (tp_or_register_operand): New.
10173 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10175 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10176 (look_for_address_of): Ditto.
10177 (ipa_init): Walk the function decls.
10178 (static_execute): Don't set readonly on FUNCTION_DECL's.
10180 2006-01-18 Roger Sayle <roger@eyesopen.com>
10182 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10183 for shifts where the source and destination registers are different.
10185 2006-01-18 Paul Brook <paul@codesourcery.com>
10187 Merge from csl-arm-branch.
10188 2005-03-14 Julian Brown <julian@codesourcery.com>
10189 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10190 (aeabi_llsl): Likewise.
10191 (ashrdi3): Likewise.
10192 (aeabi_lasr): Likewise.
10193 (lshrdi3): Likewise.
10194 (aeabi_llsr): Likewise.
10195 2005-03-10 Julian Brown <julian@codesourcery.com>
10196 * config.gcc: Disable shared libgcc for SymbianOS.
10197 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10199 2006-01-18 DJ Delorie <dj@redhat.com>
10201 * c-pragma.c (handle_pragma_diagnostic): New.
10202 (init_pragma): Register it.
10203 * doc/extend.texi: Document it.
10205 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10206 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10207 (diagnostic_context): Add classify_diagnostic[].
10208 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10209 as errors if they're overridden to DK_WARNING.
10210 (diagnostic_initialize): Initialize classify_diagnostic[].
10211 (diagnostic_set_kind_override): New.
10212 (diagnostic_report_diagnostic): Check for kind changes.
10213 * opts.c (common_handle_option): Take lang_mask. Update callers.
10214 Handle OPT_Werror_.
10215 * common.opt (Werror=): New.
10216 * doc/invoke.texi: Document -Werror=*
10218 2006-01-18 Jeff Law <law@redhat.com>
10220 * tree-vrp.c (test_for_singularity): Correct test for new
10221 min limit. Use operand_equal_p rather than pointer equality
10222 for testing if new min/max values are equal.
10224 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10225 using range information until after propagation and folding.
10227 2006-01-18 Richard Henderson <rth@redhat.com>
10228 Aldy Hernandez <aldyh@redhat.com>
10229 Jakub Jelinek <jakub@redhat.com>
10230 Diego Novillo <dnovillo@redhat.com>
10232 * omp-low.c: New file.
10233 * c-omp.c: New file.
10235 2006-01-18 Richard Henderson <rth@redhat.com>
10236 Jakub Jelinek <jakub@redhat.com>
10237 Diego Novillo <dnovillo@redhat.com>
10239 * doc/invoke.texi: Document -fopenmp.
10240 * tree-dump.h (debug_function): Declare.
10241 * hooks.c (hook_bool_tree_bool_false): New function.
10242 (hook_tree_tree_null): Remove.
10243 (hook_tree_tree_tree_null): New.
10244 * hooks.h: Update to match.
10245 * tree-pretty-print.c (debug_tree_chain): New.
10246 (print_generic_expr): Handle TDF_CHAIN.
10247 (dump_generic_node): Handle BLOCK.
10248 Do not abort with incomplete SWITCH_EXPRs.
10249 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10250 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10251 print space after directive name.
10252 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10253 Handle OMP_MASTER and OMP_ORDERED.
10254 Handle printing of OMP_BODY just in one place, goto
10255 dump_omp_body in the rest of OMP_* nodes that have
10257 Don't handle clause nodes here. Update omp statements to
10258 use dump_omp_clauses.
10259 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10260 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10261 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10262 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10263 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10264 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10265 Adjust output for GOMP_PARALLEL.
10266 (dump_omp_clauses): New.
10267 (print_declaration): Dump DECL_VALUE_EXPR.
10268 (op_symbol_1): Split out of op_symbol.
10269 (dumping_stmts): Remove. Update all users.
10270 * cgraph.c (cgraph_analyze_queue): New.
10271 (cgraph_add_new_function): New.
10272 * cgraph.h (cgraph_analyze_queue): Declare.
10273 (cgraph_add_new_function): Declare.
10274 (cgraph_lower_function): Remove.
10275 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10276 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10277 and TYPE_P nodes in its default clause.
10278 (empty_body_p): New.
10279 (tree_range_check_failed): New.
10280 (build5_stat): New.
10281 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10282 OMP_CLAUSE_REDUCTION_MERGE,
10283 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10284 OMP_CLAUSE_PRIVATE_DEBUG,
10285 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10286 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10287 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10288 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10289 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10290 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10291 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10292 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10293 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10294 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10295 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10296 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10297 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10298 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10299 (TREE_RANGE_CHECK): New.
10300 (empty_body_p): Declare.
10301 (enum omp_clause_default_kind): New.
10302 (build_string_literal): Declare.
10303 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10304 (build5_stat, build5): Declare.
10305 * tree-pass.h (TDF_CHAIN): Define.
10306 * tree-pass.h (PROP_gimple_lomp): Define.
10307 (pass_lower_omp): Declare.
10308 * diagnostic.h (debug_tree_chain): Declare.
10309 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10311 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10312 * builtins.c (build_string_literal): Make extern.
10313 * gcc.c (include_spec_function): New.
10314 (static_spec_functions): Add it.
10315 (main): Move load of libgomp.spec ...
10316 (LINK_COMMAND_SPEC): ... here.
10317 (link_gomp_spec): New.
10318 (static_specs): Include it.
10319 (LINK_COMMAND_SPEC): Add link_gomp.
10320 (GOMP_SELF_SPECS): New.
10321 (driver_self_specs): Include it.
10322 (switch_matches): Don't mark inline.
10323 (main): Load libgomp.spec.
10324 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10325 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10326 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10327 * tree-gimple.h (enum omp_parallel): Declare.
10328 (determine_parallel_type): Declare.
10329 (omp_firstprivatize_variable): Declare.
10330 (omp_reduction_init): Declare.
10331 (diagnose_omp_structured_block_errors): Declare.
10332 (struct walk_stmt_info): Add want_return_expr.
10333 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10334 (find_omp_clause): Declare.
10335 (insert_field_into_struct): Declare.
10336 (struct walk_stmt_info): Move from tree-nested.c
10337 (walk_stmts): Declare.
10338 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10340 * cgraphunit.c (cgraph_lower_function): Make static.
10341 (cgraph_finalize_pending_functions): New.
10342 (cgraph_finalize_function): Call it.
10343 (cgraph_finalize_compilation_unit): Likewise.
10344 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10345 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10346 (BT_FN_UINT_UINT): New.
10347 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10348 DEF_FUNCTION_TYPE_VAR_4): Document.
10349 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10350 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10351 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10352 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10353 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10354 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10355 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10356 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10357 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10358 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10359 into separate files.
10360 (DEF_GOMP_BUILTIN): New.
10361 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10362 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10363 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10364 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10365 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10366 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10367 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10368 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10369 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10370 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10371 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10372 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10373 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10374 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10375 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10376 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10377 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10378 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10379 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10380 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10381 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10382 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10383 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10384 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10385 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10386 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10387 * sync-builtins.def: New file, moved from builtins.def.
10388 * omp-builtins.def: New file, moved from builtins.def.
10389 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10390 * gimple-low.c (lower_function_body): Clear data.
10391 (lower_stmt): Do not handle COMPOUND_EXPR.
10392 Remove call to print_node_brief.
10393 * c-tree.h (c_finish_omp_clauses): New prototype.
10394 (C_DECL_THREADPRIVATE_P): Define.
10395 (lookup_name_no_remap, c_omp_remap_private): Remove
10396 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10397 (check_for_loop_decls): Update decl.
10398 (lookup_name_no_remap, c_omp_remap_private): Declare.
10399 (build_indirect_ref, build_modify_expr, pushdecl,
10400 pushdecl_top_level): Move to c-common.h.
10401 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10402 before the switch, but just in the 2 places that need it.
10403 * c-decl.c (diagnose_mismatched_decls): Do not check for
10404 mismatched thread-local attributes when OLDDECL is marked
10405 threadprivate and NEWDECL has no thread-local attributes.
10406 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10407 (c_gimple_diagnostics_recursively): Rename from
10408 c_warn_unused_result_recursively. Invoke
10409 diagnose_omp_structured_block_errors.
10410 (check_for_loop_decls): Return a singular decl found.
10411 * langhooks.c (lhd_omp_predetermined_sharing): Return
10412 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10413 (lhd_omp_firstprivatize_type_sizes): New.
10414 (lhd_omp_assignment): New.
10415 (lhd_omp_predetermined_sharing): New.
10416 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10417 (struct lang_hooks_for_types): Add
10418 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10419 omp_predetermined_sharing, omp_disregard_value_expr,
10420 omp_private_debug_clause, omp_clause_default_ctor,
10421 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10422 (c_finish_omp_clauses): New.
10423 (c_finish_bc_stmt): Diagnose break within omp for.
10424 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10425 (build_unary_op): Return error_mark after reporting
10427 (build_modify_expr): Likewise.
10428 * gimplify.c: Include optabs.h and pointer-set.h.
10429 (enum gimplify_omp_var_data): Declare.
10430 (struct gimplify_omp_ctx): Declare.
10431 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10433 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10434 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10435 (splay_tree_compare_decl_uid): New.
10436 (new_omp_context): New.
10437 (delete_omp_context): New.
10438 (gimple_add_tmp_var): Call omp_add_variable.
10439 (gimplify_bind_expr): Likewise.
10440 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10441 true, disregard DECL_VALUE_EXPR on the decl if any.
10442 (gimplify_expr_in_ctx): New.
10443 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10444 omp_add_variable, omp_notice_variable, omp_is_private
10445 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10446 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10447 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10448 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10449 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10450 gimplify_omp_atomic): New.
10451 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10452 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10453 OMP_CRITICAL and OMP_ATOMIC.
10454 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10455 * c-pragma.h (enum pragma_kind): Add
10456 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10457 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10458 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10459 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10460 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10461 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10462 PRAGMA_OMP_THREADPRIVATE.
10463 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10464 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10465 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10466 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10467 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10468 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10469 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10470 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10471 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10472 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10473 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10474 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10475 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10477 (struct nesting_info): Add field_map,
10478 suppress_expansion, debug_var_chain.
10479 (create_nesting_tree): Initialize them.
10480 (lookup_field_for_decl): Use field_map.
10481 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10482 (convert_local_omp_clauses): New.
10483 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10484 (walk_body): Split out of walk_function.
10485 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10486 (convert_nonlocal_reference): Handle omp statements.
10487 (convert_local_reference): Likewise.
10488 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10489 (unnest_nesting_tree): New.
10490 (lower_nested_functions): Call it.
10491 (insert_field_into_struct): Make extern.
10492 (struct walk_stmt_info): Move to tree-gimple.h.
10493 (walk_stmts): Make extern.
10494 * omp-builtins.def: New file.
10495 * tree-iterator.c (expr_only): Clarify comment.
10496 * c-common.h (pushdecl_top_level, pushdecl,
10497 build_modify_expr, build_indirect_ref,
10498 c_finish_omp_master, c_finish_omp_critical,
10499 c_finish_omp_ordered, c_finish_omp_barrier,
10500 c_finish_omp_atomic, c_finish_omp_flush,
10501 c_finish_omp_for, c_split_parallel_clauses,
10502 omp_clause_default_kind, c_omp_sharing_predetermined,
10503 c_omp_remap_decl): Declare.
10504 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10505 (OBJS-common): Add omp-low.o.
10506 (c-omp.o, omp-low.o): Add.
10507 (gimplify.o): Add dependency on $(OPTABS_H).
10508 (GTFILES): Add omp-low.c.
10509 (gt-stringpool.h): Add.
10510 * tree-cfg.c (set_bb_for_stmt): Do not update the
10511 block-to-labels map if we are currently expanding to RTL.
10512 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10514 Handle IDENTIFIER_NODE.
10515 (tree_verify_flow_info): Do not ICE when emitting error
10516 messages about invalid labels.
10517 (dump_function_to_file): Reset CFUN before emitting the body
10519 (debug_function): New.
10520 * passes.c (init_optimization_passes): Schedule
10522 * langhooks-def.h (lhd_omp_predetermined_sharing,
10523 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10525 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10526 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10527 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10528 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10529 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10530 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10531 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10532 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10533 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10534 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10535 (LANG_HOOK_DECLS): Use them.
10537 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10538 Richard Henderson <rth@redhat.com>
10539 Jakub Jelinek <jakub@redhat.com>
10540 Diego Novillo <dnovillo@redhat.com>
10542 * c-parser.c (pragma_omp_clause): Define.
10543 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10544 (c_parser_compound_statement): Likewise.
10545 (c_parser_statement): Likewise.
10546 (c_parser_pragma): Handle omp pragmas.
10547 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10548 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10549 (c_parser_omp_clause_name, check_no_duplicate_clause,
10550 c_parser_omp_variable_list,
10551 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10552 c_parser_omp_clause_copyprivate,
10553 c_parser_omp_clause_default,
10554 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10555 c_parser_omp_clause_lastprivate,
10556 c_parser_omp_clause_nowait,
10557 c_parser_omp_clause_num_threads,
10558 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10559 c_parser_omp_clause_reduction,
10560 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10561 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10562 c_parser_omp_atomic, c_parser_omp_barrier,
10563 c_parser_omp_critical, c_parser_omp_flush,
10564 c_parser_omp_for_loop, c_parser_omp_for,
10565 c_parser_omp_master, c_parser_omp_ordered,
10566 c_parser_omp_sections_scope, c_parser_omp_sections,
10567 c_parser_omp_parallel, c_parser_omp_single,
10568 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10569 * c-pragma.c (init_pragma): Do omp pragma registration here.
10570 * c.opt (fopenmp): New flag.
10572 2006-01-18 Eric Christopher <echristo@apple.com>
10574 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10575 * config/darwin.h (GOMP_SELF_SPECS): Define.
10577 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10579 * rtl.h: Remove the prototype for reg_alloc.
10581 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10584 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10585 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10586 sjlj and dwarf2 exception handling.
10587 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10588 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10589 * pa/pa.c (function_value): Treat complex and vector types as
10591 (function_arg): Likewise. Only pass scalar floats in the floating
10592 point argument registers.
10593 * pa/t-slibgcc-dwarf-ver: New file.
10594 * pa/t-slibgcc-sjlj-ver: New file.
10595 * pa/t-slibgcc-elf-ver: Delete file.
10597 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10599 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10600 unlikely_test_section_p test.
10602 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10604 * mode-switching.c (optimize_mode_switching): Make it static.
10605 * basic-block.h: Remove the prototype for
10606 optimize_mode_switching.
10608 * modulo-sched.c (sms_schedule): Make it static.
10609 * rtl.h: Remove the prototype for sms_schedule.
10611 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10612 * rtl.h: Remove the prototype for gcse_after_reload_main.
10614 * reg-stack.c (reg_to_stack): Make it static.
10615 * rtl.h: Remove the prototype for reg_to_stack.
10617 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10619 * rtl.h: Remove the prototypes for regrename_optimize and
10620 copyprop_hardreg_forward.
10622 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10624 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10625 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10626 Test against the appropriate null constant for the mode.
10627 If 'fixup_overlap' is true, swap the operands if they overlap.
10628 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10629 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10630 alpha_split_tmode_pair and adjust for above change.
10631 * config/alpha/alpha.md (movtf_internal): Adjust call to
10632 alpha_split_tfmode_pair and rely on it to swap the operands.
10633 (movti_internal): New insn and post-reload splitter.
10634 (movti): New expander.
10636 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10638 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10641 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10643 * rtlanal.c (global_reg_mentioned_p_1,
10644 global_reg_mentioned_p): Remove.
10645 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10647 * flow.c (initialize_uninitialized_subregs): Make it static.
10648 * rtl.h: Remove the prototype for
10649 initialize_uninitialized_subregs.
10651 * function.c (instantiate_virtual_regs): Make it static.
10652 * function.h: Remove the prototype for
10653 instantiate_virtual_regs.
10655 * regmove.c (regmove_optimize, combine_stack_adjustments):
10657 * rtl.h: Remove the prototypes for regmove_optimize and
10658 combine_stack_adjustments.
10660 2006-01-17 Roger Sayle <roger@eyesopen.com>
10662 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10663 (size_cost): Encode costs in bytes so that a reg-reg addition is
10664 equivalent to COSTS_N_INSNS(1).
10665 (override_options): Use the size_cost.branch_cost as the default
10666 ix86_branch_cost when optimizing for size.
10668 2006-01-18 Ben Elliston <bje@au.ibm.com>
10670 * Makefile.in (D32PBIT_FUNCS): New.
10671 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10672 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10673 D64PBIT_FUNCS and D128PBIT_FUNCS.
10674 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10675 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10677 (decnumber_dep): Define.
10678 * doc/libgcc.texi (Decimal float library routines): New node.
10679 * config/dfp-bit.h, config/dfp-bit.c: New files.
10681 2006-01-18 Ben Elliston <bje@au.ibm.com>
10683 * expr.c (emit_move_change_mode): Always adjust addresses, not
10684 just during reload. Copy replacements only during reload.
10685 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10686 emit_move_via_integer.
10688 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10690 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10691 instead of $(srcdir) and ${srcdir}.
10693 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10696 PR middle-end/11135
10697 * arm.h (struct machine_function): Add pic_reg.
10698 * arm.c (arm_pic_register): Make unsigned.
10699 (arm_override_options): Only set arm_pic_register if
10700 TARGET_SINGLE_PIC_BASE.
10701 (use_return_insn): Only test for a pic register if it is fixed.
10702 (arm_compute_save_reg0_reg12_mask): Likewise.
10703 (thumb_compute_save_reg_mask): Likewise.
10704 (legitimate_pic_operand): Factor out some known invariants.
10705 (legitimize_pic_address): If we don't have a fixed pic register,
10706 then set up a pseudo in the function entry sequence. Handle the
10707 pic base being in a pseudo.
10708 (arm_load_pic_register): Handle the pic register being in a pseudo.
10709 (arm_expand_prologue): Only set up the pic register if it is fixed.
10710 (thumb_expand_prologue): Likewise.
10711 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10712 (pic_load_addr_based_insn): Likewise.
10713 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10716 2006-01-18 Ben Elliston <bje@au.ibm.com>
10718 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10719 decimal float modes for all floating point registers.
10721 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10722 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10724 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10727 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10728 even when the pointer is not NULL.
10730 2006-01-16 Ian Lance Taylor <ian@airs.com>
10732 * common.opt (ftoplevel-reorder): New option.
10733 * cgraph.c (cgraph_asm_nodes): New global variable.
10734 (cgraph_asm_last_node): New static variable.
10735 (cgraph_order): New global variable.
10736 (cgraph_create_node): Set new order field.
10737 (cgraph_varpool_node): Likewise.
10738 (decide_is_variable_needed): Return true if not
10739 flag_toplevel_reorder.
10740 (cgraph_add_asm_node): New function.
10741 * cgraph.h (struct cgraph_node): Add order field.
10742 (struct cgraph_varpool_node): Add order field.
10743 (struct cgraph_asm_node): Define.
10744 (cgraph_asm_nodes, cgraph_order): Declare.
10745 (cgraph_add_asm_node): Declare.
10746 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10748 (cgraph_varpool_assemble_pending_decls): Call it.
10749 (cgraph_output_pending_asms): New static function.
10750 (cgraph_finalize_compilation_unit): Call it.
10751 (struct cgraph_order_sort): Define.
10752 (cgraph_output_in_order): New static function.
10753 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10754 !flag_toplevel_reorder case.
10755 * c-parser.c: Include "cgraph.h".
10756 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10758 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10759 than -fno-unit-at-a-time.
10760 * doc/invoke.texi (Option Summary): Mention
10761 -fno-toplevel-reorder.
10762 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10763 -funit-at-a-time documentation.
10765 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10766 Kazu Hirata <kazu@codesourcery.com>
10768 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10770 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10772 * Makefile.in (FUNCTION_H): New. Use it instead of
10773 function.h throughout the file.
10774 * function.h: Include tree.h.
10776 2006-01-17 Ben Elliston <bje@au.ibm.com>
10778 * recog.c: Separate some functions with whitespace.
10780 2006-01-16 Richard Henderson <rth@redhat.com>
10782 Merge from gomp branch:
10783 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10784 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10785 and rename from struct inline_data. Rename callee* to dst*;
10786 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10787 transform_new_cfg, transform_return_to_modify, and
10788 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10790 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10791 (copy_decl_for_dup): Remove.
10792 * tree-inline.c (struct inline_data): Move to header.
10793 (insert_decl_map): Export.
10794 (remap_decl): Update for member name changes. Use copy_decl hook.
10795 Allow for replacement to be a non-decl. Remove dead code.
10796 (remap_type_1): Check for existing mapping.
10797 (remap_type): Export.
10798 (remap_decls): Update for member name changes.
10799 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10800 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10801 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10802 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10803 (tree_function_versioning, build_duplicate_type): Likewise.
10804 (copy_body_r): Likewise. Export.
10805 (copy_decl_for_dup): Split into ...
10806 (copy_decl_for_dup_finish, copy_decl_to_var,
10807 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10808 (replace_ref_tree, inlining_p): Remove.
10810 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10812 * ifcvt.c (if_convert): Make it static.
10813 * rtl.h: Remove the prototype for if_convert.
10815 * local-alloc.c (local_alloc): Make it static.
10816 * rtl.h: Remove the prototype for local_alloc.
10818 * loop.c (loop_optimize): Make it static.
10819 * cfgloop.h: Remove the prototype for loop_optimize.
10822 2006-01-16 DJ Delorie <dj@redhat.com>
10824 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10827 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10829 * pa.md: Disparage copies between general and floating-point registers
10830 in 32-bit move patterns.
10832 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10835 * Makefile.in (check-%): Depend on site.exp instead of
10836 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10839 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10841 * global.c (global_alloc): Make it static.
10842 * rtl.h: Remove the prototype for global_alloc.
10844 2006-01-16 Richard Guenther <rguenther@suse.de>
10846 * tree-ssa-alias.c (struct used_part): Add write_only field.
10847 (get_or_create_used_part_for): Initialize it to true.
10848 (create_overlap_variables_for): Don't create structure variables
10849 for structures that only are written to.
10850 (find_used_portions): Handle MODIFY_EXPR to track whether a
10851 structure is only written to.
10853 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10855 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10857 * basic-block.h: Remove the prototype for
10858 partition_hot_cold_basic_blocks.
10860 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10862 * cppspec.c (lang_specific_spec_functions): Remove.
10863 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10864 * gcc.h (lang_specific_spec_functions): Remove.
10865 * gccspec.c (lang_specific_spec_functions): Remove.
10867 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10869 * combine.c (record_value_for_reg): Invalidate registers
10871 (record_dead_and_set_regs_1): Likewise, by passing them to
10872 record_value_for_reg.
10873 (record_dead_and_set_regs): Invalidate stores made by a
10874 call. We do not combine across a call, but we still
10875 relied on equivalences.
10877 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10879 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10880 vrp_int_const_binop returning non-constant nodes.
10882 2006-01-16 Paul Brook <paul@codesourcery.com>
10884 * config/m68k/m68k.c (output_move_const_into_data_reg):
10885 Output correct mnemonic for mvz and mvs.
10887 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10889 * rtl-factoring.c: Add sequence abstraction algorithm.
10890 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10891 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10893 (block_has_preserve_label): New function.
10894 * common.opt: Register new pass.
10895 * Makefile.in: Ditto.
10897 * timevar.def: Ditto.
10898 * tree-pass.h: Ditto.
10899 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10900 * rtl.h (make_jump_insn_raw): Add forward decl.
10901 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10903 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10904 Roger Sayle <roger@eyesopen.com>
10906 * fold-const.c (fold_minmax): New static function.
10907 (fold_binary) <MIN_EXPR>: Call it.
10908 <MAX_EXPR>: Likewise.
10909 * stor-layout.c (place_field): Use DECL_SIZE consistently
10910 in the computation of the new record size.
10912 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10914 * cse.c (cse_condition_code_reg): Make it static.
10915 * rtl.h: Remove the prototype for cse_condition_code_reg.
10917 * combine.c (combine_instructions): Make it static.
10918 * rtl.h: Remove the prototype for combine_instructions.
10920 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10923 * tree.c (get_file_function_name_long): Concatenate the first global
10924 object name with a string derived from the input filename of the object
10927 2006-01-16 Ben Elliston <bje@au.ibm.com>
10929 * config/i386/winnt-stubs.c: Update FSF address.
10930 * config/xtensa/ieee754-df.S: Ditto.
10931 * config/xtensa/ieee754-sf.S: Ditto.
10933 2006-01-14 Ian Lance Taylor <ian@airs.com>
10935 * ifcvt.c (noce_init_if_info): New static function, broken out of
10936 noce_process_if_block.
10937 (noce_process_if_block): Call noce_init_if_info.
10938 (check_cond_move_block): New static function.
10939 (cond_move_process_if_block): New static function.
10940 (process_if_block): Call cond_move_process_if_block.
10942 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10944 * cselib.c (hash_table): Rename to cselib_hash_table.
10945 (cselib_clear_table, discard_useless_values,
10946 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10947 cselib_init, cselib_finish): Adjust uses of hash_table.
10949 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10951 PR tree-optimization/25485
10952 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10953 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10954 is known to be false and true, respectively.
10956 2006-01-14 Richard Guenther <rguenther@suse.de>
10958 PR tree-optimization/22548
10959 PR tree-optimization/22555
10960 PR tree-optimization/22501
10961 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10962 * params.def (salias-max-array-elements): New parameter.
10963 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10964 * doc/invoke.texi (salias-max-array-elements): Document.
10965 * tree-flow-inline.h (var_can_have_subvars): We also handle
10967 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10969 * tree-ssa-structalias.c (params.h): Include.
10970 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10971 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10972 (get_constraint_for): For ADDR_EXPR operating on something
10973 containing an ARRAY_REF, add all subvars to the solution.
10974 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10975 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10976 for creating MUST_DEFs.
10977 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10979 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10981 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10983 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10984 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10985 number_of_iterations_le): New functions.
10986 (number_of_iterations_special): Removed.
10987 (number_of_iterations_exit): Do not use number_of_iterations_special.
10988 * tree.c (unsigned_type_for): Always return integer type.
10990 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10991 Richard Guenther <rguenther@suse.de>
10993 PR rtl-optimization/24257
10994 * gcse.c (find_moveable_store): Only consider a store movable
10995 when the SET_SRC of the insn can be assigned to a register.
10997 2006-01-14 Ian Lance Taylor <ian@airs.com>
10999 * tree.c (tree_not_class_check_failed): New function.
11000 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11001 (tree_not_class_check_failed): Declare.
11003 2006-01-13 Ian Lance Taylor <ian@airs.com>
11005 * reload1.c (do_output_reload): Add assertion rejecting a
11008 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11010 * combine.c (struct reg_stat): Add new fields truncation_label and
11012 (record_value_for_reg): Reset truncated_to_mode.
11013 (record_truncated_value): New function.
11014 (check_promoted_subreg): Call it. Rename to check_conversions.
11015 (combine_instructions): Rename check_promoted_subreg to
11017 (reg_truncated_to_mode): New function.
11018 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11019 (gen_lowpart_or_truncate): New function.
11020 (force_to_mode): Use it instead of gen_lowpart.
11022 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11024 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11025 VAR is a tag, not its type tag.
11027 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11029 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11030 alternatives to match style of other entries.
11031 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11033 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11035 PR tree-optimization/25771
11036 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11039 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11042 * tree-inline.c (declare_return_variable): If the return variable
11043 was marked as a non gimple complex, set the return slot variable
11044 to be a non gimple comple variable.
11046 2006-01-13 Richard Guenther <rguenther@suse.de>
11048 * builtins.c (expand_builtin_sincos): New function.
11049 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11051 (expand_builtin): Expand sincos using expand_builtin_sincos.
11053 2006-01-12 DJ Delorie <dj@redhat.com>
11055 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11056 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11057 so that constant shifts can be split.
11058 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11059 (m32c_valid_pointer_mode): Make static.
11060 (shift_gen_func_for): New.
11061 (m32c_prepare_shift): Use it. Split large const shifts into
11063 * config/m32c/predicates.md (shiftcount_operand): Allow more
11065 (longshiftcount_operand): New.
11066 * doc/md.texi (Machine Constraints): Document In6.
11068 2006-01-13 Ben Elliston <bje@au.ibm.com>
11070 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11071 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11074 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11076 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11077 to try to avoid clobbering pieces of structures when we know
11078 something about the whole structure.
11079 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11081 2006-01-13 Ben Elliston <bje@au.ibm.com>
11083 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11084 return in memory, as this is no limitation is no longer present.
11086 2006-01-12 DJ Delorie <dj@redhat.com>
11088 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11089 mova with fb, and for fb+0 -> An.
11091 * config/m32c/mov.md (peephole2): Fix enabling logic.
11093 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11094 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11095 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11096 FINI_ARRAY_SECTION_ASM_OP): Define.
11098 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11100 (m32c_legitimize_reload_address): New logic to reload FB to An.
11101 (m32c_output_reg_push): Add newline.
11102 (m32c_output_reg_pop): Likewise.
11104 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11106 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11108 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11110 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11112 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11114 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11117 2006-01-11 Ben Elliston <bje@au.ibm.com>
11119 * rtlanal.c (find_reg_note): Assert insn is not null.
11121 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11123 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11126 2006-01-11 Jeff Law <law@redhat.com>
11128 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11130 (mark_threaded_blocks, register_jump_thread): New functions.
11131 (thread_through_all_blocks): Remove unwanted argument. No
11132 longer rely on e->aux to communicate thread target info.
11133 Call mark_threaded_blocks. Release the threaded_blocks
11134 bitmap and threaded_edges vector when complete.
11135 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11136 (threaded_blocks): Remove.
11137 (tree_ssa_dominator_optimize): Remove initialization and
11138 finalization of threaded_blocks. Simplify call to
11139 thread_through_all_blocks.
11140 (thread_across_edge): Call register_jump_thread rather than
11141 storing thread information into e->aux.
11142 (free_all_edge_infos): Simplify now that e->aux is no longer
11143 used to communicate with thread_through_all_blocks.
11144 * tree-flow.h (thread_through_all_blocks): Update prototype.
11145 (register_jump_thread): Prototype.
11147 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11149 * df-core.c (df_compact_blocks, df_bb_replace): Use
11150 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11152 2006-01-11 Richard Guenther <rguenther@suse.de>
11154 PR tree-optimization/25734
11155 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11156 stop propagation after successful propagation to the LHS.
11158 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11160 * basic-block.h (control_flow_graph): Change the type of
11161 x_basic_block_info to VEC(basic_block,gc) *.
11162 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11164 (SET_BASIC_BLOCK): New.
11165 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11166 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11167 * cfgbuild.c (find_basic_blocks): Likewise.
11168 * cfglayout.c (fixup_reorder_chain): Likewise.
11169 * cfgrtl.c (create_basic_block_structure,
11170 rtl_create_basic_block): Likewise.
11171 * ifcvt.c (find_if_case_1): Likewise.
11172 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11175 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11177 * Makefile.in: Removed rotted odf.c entry.
11179 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11182 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11183 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11184 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11185 output pattern modifier, not %e.
11186 * config/cris/cris.c (cris_op_str): Update comment about pattern
11188 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11189 before falling through into...
11190 <case 'E'>: Redefined from old 'e' case.
11192 2006-01-11 Jan Hubicka <jh@suse.cz>
11195 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11197 2006-01-11 Jan Hubicka <jh@suse.cz>
11199 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11200 * i386.c (x86_decompose_lea): Kill.
11201 (ix86_rtx_costs): Kill.
11203 2006-01-11 Jan Hubicka <jh@suse.cz>
11205 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11206 * cgraph.h (cgraph_node): Add inline_decl.
11207 (cgraph_insert_node_to_hashtable): Declare.
11208 (save_inline_function_body): Declare.
11209 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11211 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11212 (cgraph_function_versioning): Update call of tree_function_versioning.
11213 (save_inline_function_body): New function.
11214 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11215 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11216 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11217 (cgraph_default_inline_p): Likewise.
11218 (cgraph_decide_inlining_incrementally): Likewise.
11219 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11220 (copy_bb): Kill saving; do updating of clones.
11221 (copy_cfg_body): Kill saving.
11222 (initialize_inlined-parameters): Likewise.
11223 (expand_call_inline): Likewise.
11225 (tree_function_versioning): New parameter "update_clones".
11226 (inlining_p): Kill saving.
11227 * tree-inline.h (tree_function_versioning): Update prototype.
11228 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11231 2006-01-11 Ian Lance Taylor <ian@airs.com>
11233 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11234 Allow undoing set of machine mode.
11235 (do_SUBST): Use enums instead of is_int.
11236 (do_SUBST_MODE): New function.
11237 (SUBST_MODE): New macro.
11238 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11239 reg and trying to replace reg_regno_rtx with a new register.
11240 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11241 (simplify_set): Use SUBST_MODE.
11242 (distribute_notes): Remove code that tried to update reg notes
11243 for regno_reg_rtx changes.
11245 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11247 PR tree-optimization/23109
11248 PR tree-optimization/23948
11249 PR tree-optimization/24123
11251 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11252 * tree-cfg.c (single_noncomplex_succ): New.
11253 * tree-flow.h (single_noncomplex_succ): Declare it.
11254 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11255 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11256 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11257 insert_bb, register_division_in, insert_reciprocals,
11258 replace_reciprocal, free_bb): New.
11259 (execute_cse_reciprocals_1): Rewritten.
11260 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11261 Do not commit any edge insertion. Always compute dominators and
11262 create the allocation pool.
11263 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11264 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11265 * targhooks.c (default_min_divistions_for_recip_mul): New.
11266 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11267 * passes.c (init_optimization_passes): Run recip after tree loop
11269 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11271 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11272 Kenneth Zadeck <zadeck@naturalbridge.com>
11274 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11275 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11276 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11277 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11278 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11279 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11280 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11281 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11282 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11283 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11284 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11285 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11286 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11287 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11288 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11289 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11290 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11291 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11292 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11293 DF_SCAN_POST_ALLOC): New macros.
11294 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11295 df_free_bb_function, df_local_compute_function, df_init_function,
11296 df_dataflow_function, df_confluence_function_0,
11297 df_confluence_function_n, df_transfer_function,
11298 df_finalizer_function, df_free_function, df_dump_problem_function,
11299 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11300 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11301 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11302 df_urec_bb_info, ) New types.
11303 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11305 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11306 df_analyze_simple_change_some_blocks,
11307 df_analyze_simple_change_one_block, df_compact_blocks,
11308 df_bb_replace, df_bb_regno_last_use_find,
11309 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11310 df_insn_regno_def_p, df_find_def, df_find_use,
11311 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11312 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11313 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11314 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11315 debug_df_chain, df_get_dependent_problem, df_chain_create,
11316 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11317 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11318 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11319 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11320 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11321 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11322 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11323 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11324 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11325 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11326 df_reorganize_refs, df_set_state, df_hard_reg_init,
11327 df_read_modify_subreg_p) New public functions.
11328 * df-core.c: The core dataflow solver and glue routines for rtl
11330 (df_init, df_add_problem, df_set_blocks, df_finish,
11331 df_hybrid_search_forward, df_hybrid_search_backward,
11332 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11333 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11334 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11335 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11336 df_reg_defined, df_find_use, df_reg_used, df_dump,
11337 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11338 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11339 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11340 debug_df_useno, reset_df_after_reload): New functions.
11341 * df-scan.c: The scanning fuctions, once in df.c, completely
11342 rewritten so that they now fully model the functionality of
11343 register usage at the backend.
11344 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11345 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11346 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11347 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11348 df_get_artificial_defs, df_get_artificial_uses,
11349 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11350 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11351 df_refs_delete, df_reorganize_refs, df_set_state,
11352 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11353 df_def_record_1, df_defs_record, df_uses_record,
11354 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11355 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11356 df_record_exit_block_uses, df_hard_reg_init): New functions.
11358 * df-problems.c: Seven concrete dataflow problems that use the
11359 scanning in df-scan.c and are solved by the engine in df-core.c.
11360 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11361 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11362 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11363 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11364 df_ru_free_bb_info, df_ru_alloc,
11365 df_ru_bb_local_compute_process_def,
11366 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11367 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11368 df_ru_transfer_function, df_ru_free, df_ru_dump,
11369 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11370 df_rd_free_bb_info, df_rd_alloc,
11371 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11372 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11373 df_rd_transfer_function, df_rd_free, df_rd_dump,
11374 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11375 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11376 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11377 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11378 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11379 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11380 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11381 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11382 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11383 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11384 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11385 df_urec_mark_reg_use_for_earlyclobber,
11386 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11387 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11388 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11389 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11390 df_chain_create_bb_process_use, df_chain_create_bb,
11391 df_chain_finalize, df_chain_free, df_chains_dump,
11392 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11393 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11394 df_reg_lifetime): New functions.
11395 * df.c: Deleted file.
11396 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11397 consistent with new df api.
11398 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11399 rest_of_handle_sms): Ditto.
11400 * web.c (unionfind_union, union_defs, entry_register, web_main):
11402 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11403 invariant_expr_equal_p, find_defs, check_dependencies,
11404 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11405 free_inv_motion_data, move_loop_invariants): Ditto.
11406 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11407 Update dependencies.
11408 (odf.c): Added defective entry that was deleted later in day.
11409 * sched-deps.c (sched_analyze_1): Ditto.
11411 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11413 * tree-ssa-operands.c (get_expr_operands): Record addressable
11414 variables directly. Do not call add_stmt_operands for CONST_DECLs
11416 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11417 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11419 2006-01-11 Ben Elliston <bje@au.ibm.com>
11421 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11422 function returns true in the positive case.
11424 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11427 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11428 for SI, DI, SF and DF modes. Add alternatives to copy between
11429 general and floating point registers to the 32-bit patterns.
11430 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11431 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11432 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11433 generating 64-bit code.
11434 * config/pa/pa.c (output_move_double): Handle copies between general
11435 and floating registers.
11437 2006-01-10 Stuart Hastings <stuart@apple.com>
11439 * config/i386/i386.md (set_got): Update.
11440 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11441 (builtin_setjmp_receiver): Mach-O support.
11442 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11443 (GOT_SYMBOL_NAME): Define.
11444 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11445 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11446 * config/i386/i386.c (override_options): Revise for Darwin.
11447 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11448 support. (darwin_x86_file_end): New. (output_set_got): Add label
11449 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11450 * config/i386/i386-protos.h (output_set_got): Likewise.
11451 * config/darwin.c (machopic_legitimize_pic_address): Update
11454 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11456 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11457 when MODE isn't BLKmode.
11459 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11461 PR rtl-optimization/25367
11462 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11464 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11467 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11468 for a negative bound.
11470 2006-01-10 Richard Guenther <rguenther@suse.de>
11472 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11473 Never override with anything constraint.
11475 2006-01-10 Jan Beulich <jbeulich@novell.com>
11477 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11478 256 bits when optimize_size.
11480 2006-01-10 Jan Beulich <jbeulich@novell.com>
11482 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11484 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11485 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11488 2006-01-10 Ben Elliston <bje@au.ibm.com>
11490 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11492 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11493 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11494 (USE_FP_FOR_ARG): Reject decimal float modes.
11495 (function_arg_advance): Likewise.
11496 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11497 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11498 point types in AltiVec vectors.
11499 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11500 (rs6000_libcall_value): Likewise.
11502 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11504 * config/xtensa/ieee754-df.S: New file.
11505 * config/xtensa/ieee754-sf.S: New file.
11506 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11507 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11508 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11510 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11512 * config/sh/predicates.md (binary_float_operator,
11513 binary_logical_operator, commutative_float_operator,
11514 equality_comparison_operator, greater_comparison_operator,
11515 less_comparison_operator, logical_operator,
11516 noncommutative_float_operator, shift_operator,
11517 symbol_ref_operand, unary_float_operator): Remove redundant
11520 2006-01-09 Jeff Law <law@redhat.com>
11522 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11523 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11524 now unused arguments. Callers updated.
11525 (eliminate_redundant_computations): Remove now unused arguments,
11527 (local_fold): Remove, no longer used.
11528 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11530 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11531 (simplify_cond): New function.
11532 (forward_propagate_into_cond): Call simplify_cond.
11534 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11536 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11537 (*vec_extractv2di_1_sse): New.
11539 2006-01-09 Ben Elliston <bje@au.ibm.com>
11541 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11543 2006-01-08 Richard Guenther <rguenther@suse.de>
11545 * tree-ssa-structalias.c (get_constraint_for): Remove
11546 anyoffset argument.
11547 (get_constraint_for_component_ref): Likewise.
11548 (do_deref): Likewise.
11549 (get_constraint_for): Likewise.
11550 (do_structure_copy): Likewise.
11551 (handle_ptr_arith): Likewise.
11552 (find_func_aliases): Likewise. Remove unused need_anyoffset
11555 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11556 Kaz Kojima <kkojima@gcc.gnu.org>
11558 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11559 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11560 (EXTRA_CONSTRAINT_C16): Remove.
11561 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11562 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11563 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11564 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11565 constants of SHmedia. Handle nested constant expressions of
11567 (andcosts): Fix the costs for SHmedia constants.
11568 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11569 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11570 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11571 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11572 (movv4hi_i, movv2si_i): Likewise.
11573 (movsi_const): Adjust the second operand of ior so to match with
11574 the Csu constraint.
11575 (movdi_const, movdi_const_32bit): Likewise.
11576 (movdi_const_16bit+1): Don't sign-extend LOW.
11577 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11579 (*double_shori): Fix the split condition. Use GEN_INT instead
11580 of get_int_mode calls. Mask lower 16-bit of the argument of
11582 (sym2GOTPLT): Remove.
11583 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11585 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11586 instead of EXTRA_CONSTRAINT_C16.
11588 2006-01-07 Ian Lance Taylor <ian@airs.com>
11589 David Edelsohn <edelsohn@gnu.org>
11591 PR rtl-optimization/25662
11592 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11593 for constant operands instead of simplify_gen_binary.
11594 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11595 after trying simplify_binary_operation
11597 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11599 * tree.c (iterative_hash_expr): Hash decls based on UID.
11601 2006-01-06 Eric Christopher <echristo@apple.com>
11603 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11604 (TARGET_UNWIND_EMIT): Fix spelling.
11605 * target.h (gcc_target): Add except_table_label.
11606 * except.c (output_function_exception_table): Use.
11607 * varasm.c (default_emit_except_table_label): New.
11608 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11610 (asm_out): Add here.
11611 * output.h (default_emit_except_table_label): Prototype.
11612 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11613 * config/darwin.c (darwin_emit_except_table_label): Define.
11614 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11616 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11618 PR tree-optimization/18527
11619 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11620 number_of_iterations_special, number_of_iterations_exit):
11621 Move base and step of an iv to a single structure. Add
11622 no_overflow flag, and use it in # of iterations analysis.
11623 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11624 folded_casts argument.
11625 (simple_iv): Pass base and step in a structure. Set no_overflow
11627 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11628 Evaluate expensiveness of computing # of iterations instead of
11629 the final expression.
11630 * tree-scalar-evolution.h (affine_iv): New structure.
11631 (simple_iv): Declaration changed.
11632 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11633 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11634 find_givs_in_stmt): Changed due to simple_iv change.
11636 2006-01-06 Jeff Law <law@redhat.com>
11639 * tree-cfg.c (bsi_replace): Rename final argument from
11640 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11641 change (stmt -> orig_stmt).
11642 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11643 (bsi_remove): Add new argument. Remove EH information
11645 (verify_eh_throw_table_statements): New function.
11646 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11648 * tree-optimize.c (execute_free_cfg_annotations): Verify
11649 the EH throw statement table after removing annotations.
11650 * except.h (verify_eh_throw_table_statements): Prototype.
11651 * tree-flow.h (bsi_remove): Update prototype.
11652 * tree-vrp.c (remove_range_assertions): Add new argument to
11654 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11655 * tree-complex.c (expand_complex_div_wide): Likewise.
11656 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11657 * tree-tailcall.c (eliminate_tailcall): Likewise.
11658 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11659 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11660 * tree-nrv.c (tree_nrv): Likewise.
11661 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11662 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11663 (combine_blocks): Likewise.
11664 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11665 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11666 (cleanup_control_flow): Likewise.
11667 (remove_forwarder_block): Likewise.
11668 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11669 * tree-sra.c (sra_replace): Likewise.
11670 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11671 (forward_propagate_single_use_vars): Likewise.
11672 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11673 * tree-inline.c (expand_call_inline): Likewise.
11674 * tree-vect-transform.c (vect_transform_loop): Likewise.
11675 * tree-outof-ssa.c (rewrite_trees): Likewise.
11676 * tree-cfg.c (make_goto_expr_edges): Likewise.
11677 (cleanup_dead_labels): Likewise.
11678 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11679 (bsi_move_before, bsi_move_after): Likewise.
11680 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11681 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11683 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11686 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11688 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11689 on non gimple variables. Also add checks at the top for decls and
11691 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11693 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11694 and IMAGPART_EXPR for creating MUST_DEFs.
11695 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11696 and NAME_MEMORY_TAG separately from the DECLs.
11698 2006-01-06 Richard Guenther <rguenther@suse.de>
11700 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11701 annotation, if necessary.
11702 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11703 redundant calls to update_stmt.
11704 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11707 2006-01-05 Richard Henderson <rth@redhat.com>
11709 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11711 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11713 * c-typeck.c: Update copyright date.
11715 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11717 * c-typeck.c (build_c_cast): Always warn when casting
11718 from a pointer to an integer of different size, even if
11719 the node was constant.
11721 2006-01-05 Richard Guenther <rguenther@suse.de>
11723 PR tree-optimization/22555
11724 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11725 if one structure field is an array.
11726 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11727 operands even if we found a subvar, but ignore VOPs in this
11729 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11731 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11733 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11735 PR middle-end/24998
11736 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11738 2006-01-05 Richard Guenther <rguenther@suse.de>
11739 Diego Novillo <dnovillo@redhat.com>
11741 * tree-pass.h (TODO_remove_unused_locals): Define.
11742 * gimple-low.c (expand_var_p, remove_useless_vars,
11743 pass_remove_useless_vars): Remove. Update all users.
11744 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11745 (remove_unused_locals): New function.
11746 * tree-flow.h (remove_unused_locals): Declare.
11747 * passes.c (execute_todo): Call remove_unused_locals if
11748 TODO_remove_unused_locals is set.
11749 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11750 * tree-ssa-dce.c (pass_dce): Likewise.
11751 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11753 2006-01-05 Richard Guenther <rguenther@suse.de>
11755 * tree-flow.h (struct fieldoff): Decompose field to
11756 type, size and decl.
11757 * tree-ssa-alias.c (create_sft): Take type as parameter.
11758 (create_overlap_variables_for): Store type, size and decl
11759 in the fieldoff structure.
11760 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11761 of struct fieldoff.
11762 (push_fields_onto_fieldstack): Likewise.
11763 (create_variable_info_for): Likewise. Use offset for the
11764 SFT name if the decl is not available.
11766 2006-01-04 Paul Brook <paul@codesourcery.com>
11768 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11770 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11772 * lambda-code.c (can_put_in_inner_loop): Relax
11774 (can_put_after_inner_loop): New function.
11775 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11776 (perfect_nestify): Change to make copies and modify uses.
11778 2006-01-04 Richard Henderson <rth@redhat.com>
11780 Merge from gomp branch:
11781 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11782 via integer constant.
11783 (pragma_lex): Remove.
11784 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11785 rather than parsing it.
11786 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11787 handle_pragma_extern_prefix): Add %< %> quotes.
11788 (registered_pragmas): New.
11789 (c_register_pragma_1): New.
11790 (c_register_pragma): Use it.
11791 (c_register_pragma_with_expansion): Likewise.
11792 (c_invoke_pragma_handler): New.
11793 (init_pragma): Use cpp_register_deferred_pragma directly for
11795 * c-pragma.h (enum pragma_kind): New.
11796 (pragma_handler): New.
11797 (c_invoke_pragma_handler): Declare.
11798 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11800 * c-common.h (c_common_pch_pragma): Update decl.
11801 * Makefile.in (c-parser.o): Update dependencies.
11802 (GTFILES): Add c-pragma.h.
11803 * c-parser.c (struct c_token): Add pragma_kind.
11804 (struct c_parser): Add in_pragma.
11805 (c_lex_one_token): Always initialize keyword and pragma_kind.
11806 Extract data for CPP_PRAGMA.
11807 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11808 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11809 Don't allow CPP_PRAGMA_EOL if in_pragma.
11810 (c_parser_consume_pragma): New.
11811 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11812 (c_parser_skip_to_end_of_parameter): Likewise.
11813 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11814 (c_parser_skip_to_pragma_eol): New.
11815 (c_parser_external_declaration): Handle CPP_PRAGMA.
11816 (c_parser_compound_statement_nostart): Likewise.
11817 (c_parser_statement_after_labels): Likewise.
11818 (c_parser_pragma): New.
11819 (pragma_lex): Likewise.
11820 (c_parser_pragma_pch_preprocess): New.
11821 (c_parser_new): Merge into ...
11822 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11824 2006-01-04 Jeff Law <law@redhat.com>
11827 * tree-cfg.c (bsi_replace): Remove the original statement
11828 from the EH throw statement table.
11830 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11832 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11833 make the prototype extern "C" and add throw ().
11836 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11837 and pos non-negative and pos + len <= 32.
11838 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11839 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11840 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11843 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11844 as well as sizes not multiple of component size.
11847 * function.c (instantiate_expr): New function.
11848 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11849 walk its DECL_VALUE_EXPR with instantiate_expr.
11851 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11852 DW_OP_deref{,_size} if address isn't going to be added.
11854 2006-01-04 Ben Elliston <bje@au.ibm.com>
11856 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11857 * config/fp-bit.c: Likewise.
11859 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11861 * dominance.c: Add comment about why we use DFS numbering
11864 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11865 Richard Henderson <rth@redhat.com>
11867 Merge from gomp-branch:
11868 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11869 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11871 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11873 PR rtl-optimization/25578
11874 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11875 pass a parameter to simplify_shift_const if changing ASHIFTRT
11878 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11880 * builtins.c (get_builtin_sync_mem): New function.
11881 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11882 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11883 Call get_builtin_sync_mem to generate mem rtx.
11885 2006-01-03 Richard Guenther <rguenther@suse.de>
11888 * stmt.c (add_case_node): Make sure to clear overflow flags
11891 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11893 Merge from gomp-branch.
11894 * config/sparc/sync.md: New file.
11895 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11896 UNSPECV_LDSTUB): New constants.
11897 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11898 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11899 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11902 2006-01-03 Roger Sayle <roger@eyesopen.com>
11904 * combine.c (reg_subword_p): New predicate to test whether the
11905 destination of a set refers to a subword/piece of a register.
11906 (try_combine): Generalize the code to merge the setting of a
11907 pseudo to a constant followed by a set of a subword of that
11908 register to a constant.
11910 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11912 * basic-block.h (control_flow_graph): Change the type of
11913 x_label_to_block_map to VEC(basic_block,gc) *.
11914 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11915 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11917 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11918 VEC(basic_block,heap) *.
11919 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11920 ssa_prop_fini): Adjust the uses of cfg_blocks.
11922 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11924 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11926 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11927 hashing trees instead of a pointer hash.
11928 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11929 compare for MEM_EXPR.
11931 PR rtl-optimization/25130
11932 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11933 when comparing MEMs for GCSE
11935 2006-01-03 Ben Elliston <bje@au.ibm.com>
11937 * targhooks.h (default_decimal_float_supported_p): Declare.
11938 * targhooks.c (default_decimal_float_supported_p): Define.
11939 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11940 `default_decimal_float_supported_p'.
11941 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11943 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11945 * combine.c (apply_distributive_law <SUBREG>): Check
11946 TRULY_NOOP_TRUNCATION.
11948 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11950 * dwarf2out.c (have_switched_text_section): Delete.
11951 (have_multiple_function_sections): New.
11952 (have_location_lists): Make 'bool'.
11953 (add_AT_loc_list): Use 'true' not '1'.
11954 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11955 (output_loc_list): Use have_multiple_function_sections.
11956 (output_ranges): Likewise.
11957 (dwarf2out_begin_function): Set have_multiple_function_sections if
11959 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11960 Check function_section rather than DECL_SECTION_NAME.
11961 (dwarf2out_finish): Use have_multiple_function_sections.
11962 Don't clear have_location_lists.
11964 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11965 Jan Hubicka <jh@suse.cz>
11967 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11968 case of conditional jump jumping to the next instruction.
11969 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11970 cases of conditional jump jumping to the next instruction.
11972 2006-01-02 Jan Hubicka <jh@suse.cz>
11974 * i386.c (*_cost): Add COSTS_N_INSNS.
11975 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11977 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11980 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11982 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11984 * config/arm/arm.c (all_fpus): Fix comment typo.
11985 * config/darwin.c: Likewise.
11986 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11987 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11988 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11990 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11992 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11993 (rs6000_split_compare_and_swapqhi): New.
11994 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11995 (sync_compare_and_swapqhi_internal): New.
11996 * config/rs6000/rs6000-protos.h: Declare.