1 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7 Victor Kaplansky <victork@il.ibm.com>
9 PR tree-optimization/26360
10 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
13 2006-06-04 Roger Sayle <roger@eyesopen.com>
14 Andrew Pinski <pinskia@physics.uc.edu>
17 * c-common.c (c_common_truthvalue_conversion): Explicitly check
18 for LABEL_DECL before calling DECL_WEAK.
21 * c-typeck.c (build_binary_op): Likewise, explicitly check for
22 LABEL_DECL and PARM_DECL.
24 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
28 * c-decl.c (grokdeclarator): Disallow variably modified types at
29 file scope. Avoid marking shared array type of constant size as
32 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
35 * c-common.c (fold_offsetof_1): Handle static members.
37 2006-06-04 Eric Christopher <echristo@apple.com>
39 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
40 (debug_rli): Output value for remaining_in_alignment.
41 (update_alignment_for_field): Unconditionalize
42 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
44 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
45 ms_bitfield_layout_p code. Rewrite handling of structure fields.
46 * tree.h (record_layout_info_s): Remove prev_packed.
47 * doc/extend.texi (ms_struct): Add documentation of format.
49 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
51 * tree.h: Declare folding_initializer.
52 * builtins.c (fold_builtin_constant_p): Give definite answer
53 if folding inside an initializer.
54 * fold-const.c: Define folding_initializer.
55 (START_FOLD_INIT): Save and then set folding_initializer.
56 (END_FOLD_INIT): Restore folding_initializer.
58 2006-06-04 Richard Guenther <rguenther@suse.de>
60 PR tree-optimization/27039
61 * fold-const.c (fold_comparison): Handle pointer comparison
62 again for all comparison codes. Compare offsets in signed
64 (fold_binary): Move code from here.
66 2006-06-03 Roger Sayle <roger@eyesopen.com>
69 * config/i386/i386.c (construct_container): Split static issued_error
70 flag into issued_sse_arg_error, issued_sse_ret_error and
71 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
72 requires the use of x87 registers and the user explicitly
73 specified the -mno-80387 command line option.
75 2006-06-02 Geoffrey Keating <geoffk@apple.com>
77 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
78 HAVE_DECL_SIGALTSTACK.
80 (segv_handler): Use MC_FLD.
81 * configure.ac: Check for a sigaltstack declaration.
82 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
83 * configure: Regenerate.
84 * config.in: Regenerate.
86 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
89 * Makefile.in (stmp-fixinc): Fix typo.
91 2006-06-02 Roger Sayle <roger@eyesopen.com>
93 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
94 are type correct. Clean-up.
95 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
96 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
98 2006-06-01 DJ Delorie <dj@redhat.com>
100 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
101 shift, as we've disabled the "switch" insn that needs it.
103 2006-06-01 Per Bothner <bothner@bothner.com>
105 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
106 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
107 * c-ppoutput.c (cb_define): Don't increment line 0.
109 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
111 * doc/invoke.texi: Add cpu_type power6.
112 * config.gcc: Add cpu_type power6.
113 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
114 to power5+ with Altivec.
115 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
116 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
118 2006-05-30 Anatoly Sokolov <aesok@post.ru>
120 * config/avr/avr.h (SET_ASM_OP): Define.
122 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
124 * config/bfin/bfin.c: Fix comment typos.
126 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
129 * doc/install.texi: Document --enable-bootstrap and
132 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
134 * doc/install.texi: Document that InfoZIP can replace jar.
136 2006-05-31 Roger Sayle <roger@eyesopen.com>
138 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
139 isn't available, directly generate the simpler x87 patterns without
140 the (use (const_int 0)).
141 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
142 implementation isn't available.
143 (*negdf2_1): Likewise.
144 (*negxf2_1): XF mode negation is always done using the x87.
145 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
147 2006-05-31 Roger Sayle <roger@eyesopen.com>
149 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
150 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
152 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
154 2006-05-31 Jie Zhang <jie.zhang@analog.com>
156 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
157 * config/bfin/bfin.c (basic-block.h): Include.
158 (struct machine_function): New.
159 (bfin_init_machine_status): New.
160 (override_options): Initialize init_machine_status.
161 (bfin_hardware_loop): New.
162 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
163 (DEF_VEC_P (loop_info)): New.
164 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
165 (struct loop_info): New.
166 (loop_info): New typedef.
167 (struct loop_work): New.
168 (loop_work): New typedef.
169 (DEF_VEC_O (loop_work)): New.
170 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
171 (bfin_dump_loops): New.
172 (bfin_bb_in_loop): New.
173 (bfin_scan_loop): New.
174 (bfin_optimize_loop): New.
175 (bfin_reorg_loops): New.
176 (bfin_reorg): Use bfin_reorg_loops.
177 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
179 (I_REGNO_P): Simplify.
180 (DP_REGNO_P, DPREG_P): New macros.
181 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
182 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
183 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
184 Add LT_REGS, LC_REGS, LB_REGS.
185 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
187 (REGNO_REG_CLASS): Deal with loop registers.
188 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
190 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
191 New constants for loop registers.
192 (UNSPEC_LSETUP_END): New.
193 (seq_insns): New define_attr. Set it for appropriate insns.
194 (movsi_insn): Add alternatives for move from/to
195 loop count registers.
196 (doloop_end): New define_expand.
197 (loop_end): New define_insn.
198 (define_split for bad doloop_end): New.
199 (lsetup_with_autoinit): New define_insn.
200 (lsetup_without_autoinit): New define_insn.
201 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
202 * config/bfin/predicates.md (lc_register_operand): New.
203 (lt_register_operand): New.
204 (lb_register_operand): New.
205 (nondp_register_operand): New.
206 (nondp_reg_or_memory_operand): New.
207 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
209 2006-05-31 Jie Zhang <jie.zhang@analog.com>
211 * config/bfin/bfin.c (bfin_delegitimize_address): New.
212 (TARGET_DELEGITIMIZE_ADDRESS): Define.
214 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
216 * Makefile.in (CATALOGS): Add po/ prefix.
217 * configure: Regenerated.
219 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
222 * arm.c (arm_print_operand case 'S'): Validate that the operand is
223 a shift operand before calling shift_op. Avoid redundant call of
226 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
227 DJ Delorie <dj@redhat.com>
229 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
230 we're inserting is a singlt-bit constant.
232 2006-05-30 Roger Sayle <roger@eyesopen.com>
234 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
235 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
237 2006-05-30 Roger Sayle <roger@eyesopen.com>
239 PR tree-optimization/23452
240 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
241 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
242 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
243 complex values and with -ffast-math for FP complex values.
245 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
247 * c-common.h: Remove the prototype for yyparse.
248 * rtl.h: Remove the prototype for init_loop.
250 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
252 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
255 2006-05-30 Roger Sayle <roger@eyesopen.com>
257 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
259 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
260 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
262 2006-05-30 Dirk Mueller <dmueller@suse.de>
265 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
266 for CONSTANT_CLASS_P expresisons.
268 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
271 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
273 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
275 PR tree-optimization/27779
276 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
277 initial_condition instead of CHREC_LEFT.
279 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
281 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
282 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
283 Make prototypes ISO C90.
285 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
286 Leehod Baruch <leehod.baruch@weizmann.ac.il>
288 * see.c (see_analyze_one_def): Correct check.
289 (see_get_extension_data): Check if extension is parallel.
290 (see_get_extension_reg): Likewise.
292 2006-05-30 Uros Bizjak <uros@kss-loka.si>
295 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
296 into register for (code == GTU).
298 2006-05-29 Roger Sayle <roger@eyesopen.com>
300 PR tree-optimization/24964
301 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
302 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
303 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
304 abs(x)*abs(x) as x*x for scalar floating point modes.
306 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
309 * lambda-code.c (perfect_nestify): Don't copy statements
310 in the inner loop: move them to the inner loop header.
312 2006-05-29 Diego Novillo <dnovillo@redhat.com>
315 * c-tree.texi: Document OpenMP directives and clauses.
317 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
319 * varasm.c (globalize_decl): Fix indentation.
321 2006-05-29 Diego Novillo <dnovillo@redhat.com>
324 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
325 pass_fre, pass_store_ccp, pass_copy_prop,
326 pass_store_copy_prop, pass_merge_phi, pass_nrv,
327 pass_return_slot, pass_object_size, pass_lim,
328 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
329 pass_loop_prefetch and pass_stdarg.
331 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
333 * config/bfin/bfin.opt (mfdpic): New option.
334 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
335 (EXTRA_MULTILIB_PARTS): Likewise.
336 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
337 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
339 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
340 (CRT_CALL_STATIC_FUNCTION): New.
341 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
343 (CRT_CALL_STATIC_FUNCTION): New.
344 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
346 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
347 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
348 (initialize_trampoline): Changed to handle FD-PIC code generation.
349 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
350 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
351 (override_options): Disallow -mid-shared-library -mfdpic combination.
352 Can't do unaligned ops if FD-PIC.
353 Turn off flag_pic if trying to generate non-id-shared-library
354 non-fdpic code, since it's not supported.
355 (bfin_assemble_integer): New function.
356 (TARGET_ASM_INTEGER): Define.
357 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
359 * config/bfin/crtn.s: Restore them.
360 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
362 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
363 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
364 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
365 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
366 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
368 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
369 FDPIC_REGS and FDPIC_FPTR_REGS.
370 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
371 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
372 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
373 (load_funcdescsi): New pattern.
374 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
375 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
376 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
378 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
380 * gcse.c, rtlanal.c: Remove obsolete comments associated with
383 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
385 * tree-flow.h: Remove the prototype for add_type_alias.
386 * tree-ssa-alias.c (add_type_alias): Remove.
388 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
390 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
391 config/fr30/fr30.md, config/i386/i386-interix.h,
392 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
393 config/sh/superh64.h, config/v850/v850.c, df-core.c,
394 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
395 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
396 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
397 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
398 Follow spelling conventions.
399 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
400 Follow spelling conventions.
402 2006-05-27 Richard Guenther <rguenther@suse.de>
405 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
406 to produce a constant of value 1 of generic type.
408 2006-05-27 Dirk Mueller <dmueller@suse.de>
410 * cgraphunit.c (decide_is_function_needed): Fix wrong
413 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
415 PR rtl-optimization/27661
416 * reload.c (find_reloads): When reloading a VOIDmode constant
417 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
418 use Pmode as mode of the reload register.
420 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
422 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
423 is enabled at -O and above.
425 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
428 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
431 2006-05-25 Mark Mitchell <mark@codesourcery.com>
434 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
435 for anonymous variables explicitly declared by front ends.
437 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
439 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
440 (struct alias_info): Add new field ref_all_symbol_mem_tag.
441 * tree-ssa-alias.c (compute_may_aliases): If the program contains
442 ref-all pointers, run a finalization pass for them.
443 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
444 (finalize_ref_all_pointers): New function.
445 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
446 regular pointer type to a ref-all pointer type.
447 (get_tmt_for): Return the special memory tag for ref-all pointers.
449 2006-05-25 Richard Guenther <rguenther@suse.de>
452 * fold-const.c (fold_binary): Do not look at the stripped
453 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
455 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
457 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
458 for LT and GT if the computed range is effectively empty.
460 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
463 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
464 mips_quad_format formats instead of ieee_single_format,
465 ieee_double_format and ieee_quad_format formats, respectively.
467 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
469 PR tree-optimization/27639
470 PR tree-optimization/26719
471 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
472 call to scev_probably_wraps_p.
473 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
474 used_in_pointer_arithmetic_p, convert_step): Removed.
475 (nowrap_type_p): New function.
476 (scev_probably_wraps_p): Rewritten.
477 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
478 chrec_convert if chrec_convert_aggressive might have been used.
479 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
480 scev_direction): New functions.
481 (chrec_convert): Changed to a wrapper over chrec_convert_1.
482 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
483 instead of convert_step.
484 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
485 (convert_step): Declaration removed.
486 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
488 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
490 * df-core.c: Added to header comments.
491 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
492 df_ur_bb_info, df_urec_bb_info): Added comments.
493 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
494 urec, ri problems): Fixed header comments.
495 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
496 code from df_rd_transfer_function.
498 2006-05-23 Richard Sandiford <richard@codesourcery.com>
500 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
501 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
502 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
504 2006-05-23 Joseph Myers <joseph@codesourcery.com>
506 * expr.c (undefined_operand_subword_p): New.
507 (emit_move_multi_word): Do not generate move from undefined bits
508 of a paradoxical subreg.
510 2006-05-23 Richard Sandiford <richard@codesourcery.com>
512 PR rtl-optimization/27736
513 * combine.c (replaced_rhs_value): New variable.
514 (combine_instructions): Set it.
515 (distribute_notes): When distributing a note in replaced_rhs_insn,
516 check whether the value was used in replaced_rhs_value.
518 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
521 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
522 add_referenced_var instead of add_referenced_tmp_var.
523 * tree-complex.c (create_one_component_var): Use add_referenced_var.
524 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
526 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
527 tree_optimize_tail_calls_1): Use add_referenced_var.
528 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
529 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
530 Use add_referenced_var.
531 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
532 * gimplify.c (force_gimple_operand): Use add_referenced_var.
533 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
534 Use add_referenced_var.
535 * tree-dfa.c (struct walk_state): Remove.
536 (find_referenced_vars): Remove walk state and vars_found hash table.
537 (make_rename_temp): Use add_referenced_var.
538 (find_vars_r): Pass less parameters to add_referenced_var.
539 (referenced_var_p): New. Is var in referenced_var hash table.
540 (referenced_var_insert): Assert var isn't already in hash table.
541 (add_referenced_var): Don't need walk_state parameter. Add var if it
542 isn't already in the hash table.
543 (add_referenced_tmp_var): Remove.
544 (find_new_referenced_vars_1): Use add_referenced_var.
545 * tree-ssa-pre.c (create_expression_by_pieces,
546 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
547 Use add_referenced_var.
548 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
549 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
550 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
552 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
553 vect_create_data_ref_ptr, vect_create_destination_var,
554 vect_init_vector, vect_build_loop_niters,
555 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
556 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
557 Use add_referenced_var.
558 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
559 * tree-flow.h (add_referenced_tmp_var): Remove prototype
560 (add_referenced_var): Add prototype.
561 * tree-ssa-structalias.c (get_constraint_for,
562 intra_create_variable_infos): Use add_referenced_var.
564 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
566 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
567 big-endian paradoxical subregs.
568 * var-tracking.c (struct micro_operation_def): Document that,
569 for modify micro operations, insn is the subsequent instruction.
570 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
571 (var_reg_set, var_mem_set): ... new functions.
572 (add_stores): Record subsequent insn.
573 (compute_bb_dataflow): Use new functions for MO_USE.
574 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
575 notes after the insn, and modify notes before the insn known
576 to be the subsequent one.
577 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
579 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
582 * config/i386/i386.c (ix86_expand_builtin): Use
583 gen_sse3_monitor64 for TARGET_64BIT.
585 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
587 PR rtl-optimization/26375
588 PR rtl-optimization/26855
589 * df-problems (df_ru_bb_local_compute_process_def): Removed update
591 (df_ru_bb_local_compute): Reversed statements and removed bogus
592 comment explaining why they should be in wrong order.
593 (df_ru_dump, df_rd_dump): Enhanced debug info.
594 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
596 * ddg.c (add_deps_for_def): Converted use of reaching defs to
597 reaching uses and fixed space problem.
599 2006-05-23 Jan Hubicka <jh@suse.cz>
601 * cgraphunit.c (decide_is_function_needed): Also nested functions
602 and functions declared inline can be optimized out at -O0.
604 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
606 * doc/install.texi (Configuration): Remove reference to CrossGCC
607 FAQ which was hijacked.
610 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
613 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
614 ix86_compare_emitted is non-NULL.
616 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
619 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
622 2006-05-22 Richard Sandiford <richard@codesourcery.com>
624 PR rtl-optimization/25514
625 * combine.c (replaced_rhs_insn): New variable.
626 (combine_instructions): Set replaced_rhs_insn when trying to replace
627 a SET_SRC with a REG_EQUAL note.
628 (distribute_notes): Use replaced_rhs_insn when determining the live
629 range of a REG_DEAD register.
631 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
632 Anatoly Sokolov <aesok@post.ru>
634 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
635 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
636 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
637 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
638 atmega3290, atmega649, atmega6490, atmega406, atmega640,
639 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
640 at90usb647, at90usb1286 and at90usb1287 devices.
641 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
642 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
644 2006-05-22 Richard Sandiford <richard@codesourcery.com>
646 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
648 2006-05-22 Richard Guenther <rguenther@suse.de>
651 2006-01-31 Richard Guenther <rguenther@suse.de>
652 Paolo Bonzini <bonzini@gnu.org>
654 * doc/install.texi (--disable-libgcc-math): Document.
656 2006-05-22 Richard Guenther <rguenther@suse.de>
659 2006-01-31 Richard Guenther <rguenther@suse.de>
661 * doc/invoke.texi (-msselibm): Document.
662 * target.h (expand_library_builtin): New target hook.
663 * builtins.c (expand_builtin): Use expand_library_builtin.
664 (default_expand_library_builtin): New function.
665 * gcc.c (LINK_GCC_MATH_SPEC): Define.
666 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
667 (link_gcc_math_spec): Declare.
668 (static_specs): Add link_gcc_math_spec.
669 * expr.h (default_expand_library_builtin): Declare.
670 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
671 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
672 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
673 * config/i386/i386.opt (msselibm): New target option.
674 * config/i386/i386.c (ix86_builtin_function_variants): New array.
675 (ix86_init_sse_abi_builtins): New function.
676 (ix86_expand_library_builtin): Likewise.
677 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
678 (override_options): Handle error conditions wrt -msselibm.
679 (ix86_builtins): Add function codes for SSE2 ABI builtins.
680 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
681 * doc/extend.texi (__builtin_sse2_*): Document new target specific
684 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
687 * c-common.c (self_promoting_args_p): Skip erroneous args.
690 * c-decl.c (finish_struct): Skip erroneous fields.
692 2006-05-22 Nick Clifton <nickc@redhat.com>
694 * config/cris/cris.opt (march): Remove VarExists attribute.
695 (max-stackframe=): Likewise.
697 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
699 * doc/rtl.texi: Fix a typo.
700 * see.c: Fix comment typos.
702 * tree-ssa-structalias.h (alias_info): Remove num_references.
704 2006-05-21 Mike Stump <mrs@apple.com>
706 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
708 (darwin_pragma_options): Use BAD instead.
709 (darwin_pragma_unused): Likewise.
710 (darwin_pragma_ms_struct): Likewise.
712 2006-05-21 David Edelsohn <edelsohn@gnu.org>
714 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
716 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
718 PR rtl-optimization/27671
719 * simplify-rtx.c (simplify_relational_operation_1): Fix
720 simplifications of (eq/ne (xor x y) y) and
723 PR tree-optimization/26622.
724 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
727 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
729 * tree-cfg.c: Prune whitespace.
730 (debug_tree_cfg): Point to correct header containing the
733 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
736 * cgraphunit.c (verify_cgraph_node): Typo in error message.
738 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
741 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
742 or sorry count is non zero.
744 2006-05-20 Andreas Schwab <schwab@suse.de>
746 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
748 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
749 Kenneth Zadeck <zadeck@naturalbridge.com>
751 PR rtl-optimization/26855
753 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
755 (df_scan_alloc): Added code to properly handle multiword hard
756 registers and add all_blocks parameter.
757 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
758 code to properly handle multiword hard registers.
759 (df_rescan_blocks): Added code to remove deleted blocks from
761 (df_ref_create_structure, df_ref_record): Added code to properly
763 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
764 and set DF_REF_PARTIAL.
765 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
766 (df_uses_record): Added DF_REF_PARTIAL for subreg.
767 (df_scan_add_problem): Added flags parameter.
768 (df_ref_create_structure): Changed switching structure.
769 (df_bb_refs_record): Fixed case where duplicate artificial refs
770 were created. Changed location of flags.
771 (df_record_entry_block_defs): Added code to make stack pointer
772 live in entry block. Refined cases where frame pointer is needed.
773 Changed location of flags.
774 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
775 (df_set_state): Removed function.
776 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
777 df_insn_create_insn_record, df_insn_refs_delete,
778 df_ref_create_structure): Formatting changes.
779 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
780 df_delete_basic_block): New function.
781 (df_init): Changed location of flags.
782 (df_add_problem): Added flags parameter and the way flags are
784 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
785 debug_df_chain): Improved debugging output.
786 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
787 (df_refs_chain_dump): Removed df parameter.
788 (df_iterative_dataflow): Added consistency check.
789 (df_prune_to_subcfg): Made public.
790 (df_analyze_problem): Added blocks_to_init parameter and made
792 (df_ref_record, df_bb_refs_record, df_mark_reg,
793 df_record_exit_block_uses): Whitespace changes.
794 (df_dump): Whitespace changes.
795 * df.h: Some reordering to remove forward references.
796 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
797 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
798 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
799 (dataflow.flags): New field.
800 (df.flag): Deleted field.
801 (df_alloc_function): Added additional bitmap parameter.
802 (df_dependent_problem_function): New type.
803 (df_problem.changeable_flags): New field.
804 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
805 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
806 (df_mw_hardreg): New struct.
807 (DF_INSN_UID_MWS): New macro.
808 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
810 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
811 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
812 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
813 (df_set_state): Removed function.
814 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
815 * df-problems.c (df_chain_dump): Removed df parameter.
816 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
817 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
819 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
820 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
821 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
822 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
823 DF_REF_MUST_CLOBBER cases.
824 (df_ru_bb_local_compute_process_def,
825 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
826 df_lr_bb_local_compute, df_ur_bb_local_compute,
827 df_chain_create_bb): Made subreg aware.
828 (df_ru_bb_local_compute, df_rd_bb_local_compute,
829 df_lr_bb_local_compute, df_lr_bb_local_compute,
830 df_chain_create_bb): Cleanup to use proper macros.
831 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
832 code to fixup bitvectors.
833 (df_ri_alloc): Cleared lifetime.
834 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
835 df_create_unused_note): New function.
836 (df_ri_bb_compute, df_ri_compute): Added code to create/update
837 REG_DEAD and REG_UNUSED notes as well as register information.
838 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
839 df_chains_dump): Fixed crash if problem was never run.
840 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
841 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
842 df_ri_add_problem): Processes flags in uniform manner.
843 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
844 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
845 df_rd_dump, df_urec_free_bb_info): Formatting changes.
846 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
847 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
848 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
849 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
850 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
851 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
852 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
853 * see.c (see_initialize_data): Ditto.
854 * final.c (rest_of_clean_state) Added regstack_completed.
855 * rtl.h (regstack_completed): Ditto.
856 * reg-stack.c (regstack_completed): Ditto.
858 2006-05-19 Mike Stump <mrs@apple.com>
860 * c-tree.h (default_conversion): Remove.
861 * c-common.h (default_conversion): Add.
863 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
865 * tree-vrp.c (valid_value_p): New function.
866 (adjust_range_with_scev): Fail if the value of bound is not
869 2006-05-19 Richard Sandiford <richard@codesourcery.com>
871 * config/mips/linux-unwind.h: Include <asm/unistd.h>
872 (mips_fallback_frame_state): Use syscall numbers to determine
873 the appropriate li instruction for the current ABI. Only use
874 __NR_sigreturn for o32.
876 2006-05-19 Nicolas Setton <setton@adacore.com>
878 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
879 * langhooks.c (lhd_dwarf_name): New function.
880 * langhooks-def.h (lhd_dwarf_name): Declare.
881 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
882 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
883 * ada/misc.c (gnat_dwarf_name): New function.
884 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
886 2006-05-19 Richard Sandiford <richard@codesourcery.com>
888 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
890 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
891 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
892 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
893 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
894 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
895 determine the size of Wtype, etc.
896 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
897 (swfloatfuncs): New variable.
898 (dwfloatfuncs): Likewise.
899 (lib2funcs): Remove floating-point conversion functions from
900 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
901 the set of conversion routines needed. Allow entries to specify
902 an object name, filename and word size. Update users accordingly.
903 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
904 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
908 2006-02-08 Roger Sayle <roger@eyesopen.com>
911 * config/fixtfdi.c: New libgcc source file.
912 * config/fixunstfdi.c: New source file.
913 * config/floatditf.c: New source file.
914 * config/floatunditf.c: New souce file.
915 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
916 files above instead of config/mips/_tilib.c.
917 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
919 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
921 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
922 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
924 2006-05-18 Mike Stump <mrs@apple.com>
926 Fix up vla, vm and [*] sematics.
932 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
933 (c_vla_unspec_p): Add.
935 * c-decl.c (struct c_scope): Add had_vla_unspec.
936 (build_array_declarator): Add support for [*].
937 (grokdeclarator): Likewise.
938 (grokparms): Likewise.
939 (get_parm_info): Likewise.
940 * c-objc-common.c (c_vla_unspec_p): Likewise.
941 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
942 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
943 typeof when argument is a variably modified type not inside sizeof or alignof.
944 (c_parser_direct_declarator_inner): Propagate errors.
945 (c_parser_sizeof_expression): Add support for [*].
946 (c_parser_parms_declarator): Initialize had_vla_unspec.
947 (c_parser_parms_list_declarator): Likewise.
948 * c-typeck.c (c_vla_type_p): Add.
949 (composite_type): Add support for vla compositing.
950 (comptypes_internal): Add support for vla compatibility.
951 (c_expr_sizeof_expr): Evaluate vla arguments.
952 * tree.c (variably_modified_type_p): Update comment for [*].
954 2006-05-18 Michael Matz <matz@suse.de>
957 * config.host: Make assignments to host_xmake_file cumulative.
958 * config.host (*-darwin*): Test $host, not $target.
960 2006-05-12 Stuart Hastings <stuart@apple.com>
962 * config/i386/i386.opt (-mstackrealign): New flag.
963 * config/i386/i386.c (force_align_arg_pointer): New attribute.
964 (ix86_handle_cconv_attribute): Emit error when
965 force_align_arg_pointer attribute collides with too many regparms.
966 (ix86_function_regparm): Limit regparms when used with
967 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
968 Support stack-realigning prologue in non-main functions. Emit
969 warning for nested functions under -mstackrealign, emit error for
970 nested functions with force_align_arg_pointer attribute.
971 * doc/extend.texi (force_align_arg_pointer): Document it.
972 * doc/invoke.texi (-mstackrealign): Document it.
974 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
976 PR rtl-optimization/27477
977 * combine.c (try_combine): Don't split a parallel consisting
978 of two sets into two individual sets if both sets reference
981 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
983 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
984 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
986 * doc/options.texi (VarExists): Updated.
988 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
990 * unwind-dw2.c: Add declarations for uw_update_context and
992 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
993 detected, advance frame state and context once to skip over stub.
995 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
999 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1000 Call rewrite_into_loop_closed_ssa only when something changed.
1001 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1002 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1003 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1004 Test for perfect_nest_p here. Fix formating.
1005 (replace_uses_equiv_to_x_with_y): Fix formating.
1006 (stmt_uses_op): Removed.
1007 (can_convert_to_perfect_nest): Removed loopivs parameter.
1008 Complete the test by checking the scalar dependences.
1009 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1012 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1015 From Dan Kegel <dank@kegel.com>:
1016 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1018 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1020 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1021 if the element type is variably modified without recursing.
1023 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1026 * tree-loop-linear.c (try_interchange_loops): Test for
1027 no data dependences.
1029 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1031 PR tree-optimization/27548
1032 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1033 range of ssa names that appear on abnormal edges.
1034 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1035 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1037 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1040 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1042 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1045 * tree.h (OMP_PARALLEL_COMBINED): Define.
1046 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1047 (new_omp_context): Add is_combined_parallel argument.
1048 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1049 new_omp_context caller.
1050 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1051 Adjust gimplify_scan_omp_clauses callers.
1052 (omp_is_private): Issue errors if iteration variable is firstprivate
1053 or reduction in the current context.
1054 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1055 on combined parallel workshare constructs.
1057 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1059 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1060 (gcc-options.o): New rule.
1062 * optc-gen.awk: Protect variables for gcc-options.o with
1063 #ifdef GCC_DRIVER/#endif.
1065 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1067 Fix PR tree-optimization/27373
1068 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1069 (forward_propagate_addr_expr): Update call.
1071 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1073 * doc/options.texi: Move the Negative option.
1075 2006-05-16 Richard Guenther <rguenther@suse.de>
1077 PR tree-optimization/22303
1078 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1080 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1081 ccp_fold did not simplify the statement.
1083 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1086 * Makefile.in (GCC_OBJS): New.
1087 (OBJS-common): Add opts-common.o.
1088 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1089 (cpp$(exeext)): Likewise.
1090 (gcc.o): Also depend on opts.h.
1091 (opts-common.o): New.
1093 * common.opt (gcoff): Add Negative(gdwarf-2).
1094 (gdwarf-2): Add Negative(gstabs).
1095 (gstabs): Add Negative(gstabs+).
1096 (gstabs+): Add Negative(gvms).
1097 (gvms): Add Negative(gxcoff).
1098 (gxcoff): Add Negative(gxcoff+).
1099 (gxcoff+): Add Negative(gcoff).
1100 * config/i386/i386.opt (m32): Add Negative(m64).
1101 (m64): Add Negative(m32).
1103 * doc/options.texi: Document the Negative option.
1105 * gcc.c: Include "opts.h".
1106 (main): Call prune_options after expandargv.
1108 * optc-gen.awk: Generate common declarations for all flag
1109 variables in options.c. Output the neg_index field.
1111 * opts.c (find_opt): Moved to ...
1112 * opts-common.c: Here. New file.
1114 * opts.h (cl_option): Add a neg_index field.
1116 (prune_options): Likewise.
1118 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1121 * omp-low.c (expand_omp_parallel): Don't assert
1122 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1123 instead search for it.
1126 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1129 2006-05-16 Andreas Schwab <schwab@suse.de>
1131 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1134 2006-05-15 Roger Sayle <roger@eyesopen.com>
1137 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1138 integer constants other than zero are only legitimate on TARGET_64BIT.
1139 <CONST_VECTOR> Only zero vectors are legitimate.
1140 (ix86_cannot_force_const_mem): Integral and vector constants can
1141 always be put in the constant pool.
1143 2006-05-16 DJ Delorie <dj@redhat.com>
1145 * crtstuff.c (__dso_handle): Set section from
1146 TARGET_LBIGCC_SDATA_SECTION if defined.
1147 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1148 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1150 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1153 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1156 2006-05-16 Ben Elliston <bje@au.ibm.com>
1158 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1160 2006-05-15 Per Bothner <per@bothner.com>
1162 * tree.c: (last_annotated_node): Use source_locus typedef.
1163 This permits bootstrapping with --enable-mapped-location.
1165 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1167 PR tree-optimization/26830
1168 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1169 (info_for_ssa_name, current_info_for_ssa_name_age,
1170 blocks_to_update): New variables.
1171 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1172 (clear_ssa_name_info, initialize_flags_in_bb,
1173 mark_block_for_update): New functions.
1174 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1175 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1176 prepare_def_site_for): Use mark_block_for_update.
1177 (mark_def_interesting): Assert that the processed block is marked in
1178 blocks_to_update. Do not take blocks argument.
1179 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1181 (rewrite_update_init_block, rewrite_update_stmt): Only process
1182 blocks with statements to rewrite.
1183 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1184 (update_ssa): Initialize and free blocks_to_update. Do not
1185 clear flags on statements. Do not use blocks bitmap.
1186 * tree.h (SSA_NAME_AUX): Removed.
1187 (struct tree_ssa_name): Removed aux field.
1188 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1190 2006-05-15 Richard Guenther <rguenther@suse.de>
1192 PR tree-optimization/27603
1193 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1194 Do computations in original type.
1196 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1198 * see.c: Code style changes such as redundant paranthesis,
1199 redundant intialization of local variables etc.
1200 (see_main): Declared now as static.
1201 * doc/invoke.texi: Update that -fsee is not enabled by
1204 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1206 * omp-low.c (check_omp_nesting_restrictions): New function.
1207 (scan_omp_1): Call it.
1210 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1211 construct, return *VAR.
1213 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1215 PR rtl-optimization/27406
1216 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1219 2006-05-14 Roger Sayle <roger@eyesopen.com>
1221 PR rtl-optimization/27538
1222 * combine.c (expand_compound_operation): Call gen_lowpart
1223 before calling simplify_shift_const.
1225 2006-05-14 Roger Sayle <roger@eyesopen.com>
1227 PR rtl-optimization/22563
1228 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1229 a fixed width bitfield, always force the intermediates into psuedos.
1231 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1234 * mkconfig.sh: Use operator = instead of == for test.
1236 2006-05-13 Nick Clifton <nickc@redhat.com>
1238 * dwarf2out.c (dbx_reg_number): Check return value from
1239 LEAF_REG_REMAP and only use it if it is valid.
1240 (multiple_reg_loc_descriptor): Likewise.
1242 2006-05-13 Richard Guenther <rguenther@suse.de>
1244 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1247 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1249 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1250 information attached to non-INSNs such as NOTEs.
1251 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1253 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1255 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1257 * config/s390/s390.md: Adjust comment describing On constraint.
1259 2006-05-11 Jan Hubicka <jh@suse.cz>
1261 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1262 to be output at -O0.
1264 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1267 * fold-const.c (size_binop): Move sanity check for arguments to
1268 the beginning of the function.
1271 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1274 2006-05-11 Richard Guenther <rguenther@suse.de>
1277 * fold-const.c (fold_unary): Handle intermediate conversion
1278 to a pointer type like intermediate conversion to an integer
1279 type in folding of (T1)(T2)var to var.
1280 Match the code to the comment in the final conversion for
1281 (T1)(T2)var to (T1)var regarding to type precision. Rather
1282 than disallow T1 being of pointer type, assert that both T1
1283 and var are of pointer type or not. Make sure not to fall
1284 over the frontends lazyness wrt array to pointer decay though.
1286 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1288 * arm.c (arm_struct_value_rtx): Delete.
1289 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1290 (arm_init_cumulative_args): Always initialize nregs to zero.
1292 2006-05-10 Richard Guenther <rguenther@suse.de>
1294 PR tree-optimization/27532
1295 * tree-object-size.c (plus_expr_object_size): Fix typo.
1297 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1300 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1301 ashrdi_const, ashrdi3): Use a scratch register.
1303 2006-05-10 Richard Guenther <rguenther@suse.de>
1305 PR tree-optimization/27302
1306 * fold-const.c (operand_equal_p): For two comparisons,
1307 try comparison of one comparison code swapped if that yields
1310 2006-05-10 Ben Elliston <bje@au.ibm.com>
1312 * tree-pretty-print.c (pretty_print_string): No need to handle
1313 '\0' as a special character.
1315 * tree.h: Include "hashtab.h".
1316 (iterative_hash_expr): Use hashval_t in its prototype.
1317 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1319 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1322 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1323 (hppa*64*-*-hpux11*): Ditto.
1324 (hppa[12]*-*-hpux11*): Ditto.
1326 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1329 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1331 2006-05-09 Michael Matz <matz@suse.de>
1333 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1334 host_extra_gcc_objs and host_xmake_file.
1335 (<*-*-linux*>): Don't overwrite host_xmake_file.
1336 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1337 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1338 (host_detect_local_cpu): Declare.
1339 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1340 * config/i386/i386.c (override_options): Handle -mtune=native
1342 * config/i386/x-i386: New file.
1343 * config/i386/driver-i386.c: New file.
1344 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1347 2006-05-09 Dirk Mueller <dmueller@suse.de>
1348 Richard Guenther <rguenther@suse.de>
1351 * fold-const.c (fold_read_from_constant_string): Relax check
1352 for matching types to matching modes.
1354 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1356 PR rtl-optimization/27335
1357 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1360 2006-05-08 Chao-ying Fu <fu@mips.com>
1361 Richard Sandiford <richard@codesourcery.com>
1363 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1364 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1365 * config/mips/mips.md (UNSPEC_SCC): New constant.
1366 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1367 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1368 (mips_emit_compare): Use it.
1369 (mips_expand_vcondv2sf): New function.
1371 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1373 Fix PR tree-optimization/27093
1374 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1375 renaming when they become not-used_alone.
1377 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1379 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1380 relocation and relocation stubs.
1382 2006-05-08 Eric Christopher <echristo@apple.com>
1384 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1387 2006-05-08 Jan Hubicka <jh@suse.cz>
1390 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1391 unused static functions are needed.
1393 2006-05-08 Roger Sayle <roger@eyesopen.com>
1396 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1397 of a reg_equiv_constant if the result is a legitimate constant.
1399 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1402 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1403 standard 80387 constants, raise the cost to prevent
1404 compress_float_constant() to generate load from memory.
1406 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1408 * config/arm/constraints.md (c): Fix a typo.
1410 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1413 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1416 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1418 (_mm_mwait): Likewise.
1420 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1422 (sse3_monitor): Make it 32bit only.
1423 (sse3_monitor64): New. 64bit monitor.
1425 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1428 * config/i386/i386.c (classify_argument): Skip fields with invalid
1431 2006-05-07 Richard Guenther <rguenther@suse.de>
1433 PR tree-optimization/27409
1434 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1435 Do not try to find zero-sized subvars.
1437 2006-05-07 Richard Guenther <rguenther@suse.de>
1439 PR tree-optimization/27136
1440 * tree-ssa-loop-niter.c (get_val_for): Correct function
1441 comment, assert requirements.
1442 (loop_niter_by_eval): Stop processing if the iterated
1443 value did not simplify.
1445 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1447 * opts.c (flag_see): remove its setting at -O3.
1449 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1451 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1452 * arm/constraints.md: New file.
1453 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1454 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1455 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1456 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1457 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1458 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1459 * arm.md: Include constraints.md.
1460 (thumb_movsi_insn): Use satisfies_constraint_J.
1461 (movhi, movqi): Use satisfies_constraint_I.
1463 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1465 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1466 for atmeg a645 device.
1468 2006-05-06 Richard Guenther <rguenther@suse.de>
1470 PR tree-optimization/27151
1471 * tree-vect-transform.c (vectorizable_condition): Punt on
1472 values that have a different type than the condition.
1474 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1477 * c-parser.c (c_parser_cast_expression): Only insert casts into
1478 hash table if pointer.
1479 * function.c (used_types_insert_helper): Rename from
1481 (used_types_insert): Call used_types_insert_helper.
1482 * function.h (used_types_insert): Accept only one argument.
1484 2006-05-05 David Edelsohn <edesohn@gnu.org>
1486 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1487 scratch with output modifier.
1489 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1492 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1493 with output modifier.
1495 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1498 * config/mips/mips.c (mips_symbolic_address_p): Return true
1499 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1500 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1502 2006-05-04 Richard Guenther <rguenther@suse.de>
1504 PR tree-optimization/14287
1505 PR tree-optimization/14844
1506 PR tree-optimization/19792
1507 PR tree-optimization/21608
1508 PR tree-optimization/27090
1509 * tree-ssa-pre.c (try_combine_conversion): New function.
1510 (compute_avail): After constructing the value-handle
1511 expression, use try_combine_conversion to combine NOP_EXPRs
1512 with previous value-handle expressions and use the result if it
1515 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1517 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1519 2006-05-04 Jan Hubicka <jh@suse.cz>
1522 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1524 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1526 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1527 that this only matches CONST_INTs. All users changed to VOIDmode
1530 * config/bfin/bfin.c: Include "optabs.h".
1531 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1533 (enum bfin_builtins): Add a number of fractional and vector builtins.
1534 (bfin_init_builtins): Likewise.
1535 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1536 (safe_vector_operand, bfin_expand_binop_builtin,
1537 bfin_expand_unop_builtin): New functions.
1538 (bfin_expand_builtin): Handle the new builtins.
1539 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1542 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1545 * Makefile.in (OBJS-common): Add see.o.
1546 (see.o): Add dependencies.
1547 * common.opt (fsee): New flag for the see optimization was added.
1548 * opts.c (flag_see): Initialized.
1549 * passes.c (init_optimization_passes, pass_see): New pass.
1550 * rtl.h (see_main): Declaration as extern.
1551 * timevar.def (TV_SEE): New.
1552 * tree-pass.h (pass_see): Declaration as extern.
1553 * invoke.texi (-fsee): Document.
1554 * recog.c (validate_simplify_insn): New function.
1555 * recog.h (validate_simplify_insn): Declaration as extern.
1556 * df-problems.c (df_chain_dump): Check for NULL.
1558 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1559 Daniel Berlin <dberlin@dberlin.org>
1561 * cfgrtl.c (insert_insn_bb_end_new): New function.
1562 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1564 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1566 * df.h (struct web_entry): Moved from web.c.
1567 (union_defs): Declaration as extern.
1568 (unionfind_root): Likewise.
1569 (unionfind_union): Likewise.
1570 * web.c (struct web_entry): Moved to df.h.
1571 (unionfind_root): Remove static declaration.
1572 (unionfind_union): Likewise.
1573 (union_defs): Likewise and generalize to use callback function.
1574 (web_main): Update arguments for union_defs function call.
1576 2006-05-04 Richard Guenther <rguenther@suse.de>
1578 PR tree-optimization/26447
1579 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1580 produce SSA_NAME copies before the store stmt to avoid
1581 breaking exception handling.
1583 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1586 * gimplify.c (omp_is_private): If var is shared in some outer context,
1587 return false instead of true. Stop searching on parallel context
1590 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1593 * coverage.c: Use get_gcov_unsigned_t() instead of
1594 unsigned_type_node all over.
1596 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1598 PR tree-optimization/27381
1599 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1600 maintain the same immediate_use links.
1601 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1602 node rather than segfaulting.
1604 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1607 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1608 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1609 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1611 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1613 Fix PR tree-optimization/26626
1614 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1616 * tree-ssa-operands.c (access_can_touch_variable): Allow
1617 typecasting through union pointers.
1619 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1622 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1623 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1624 to find if var will be a global variable even in the nested context.
1625 (omp_copy_decl): Only check for global variable at the end, it might
1626 be overridden in outer contexts.
1627 (scan_sharing_clauses): For global variables don't create a field.
1628 (lower_rec_input_clauses): Do nothing for global shared variables.
1629 Emit a barrier at the end of ILIST if there were any decls in both
1630 firstprivate and lastprivate clauses.
1631 (lower_send_clauses): Do nothing for global variables except for
1634 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1636 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1637 of the correct signedness is returned.
1639 2006-05-02 Jeff Law <law@redhat.com>
1641 PR tree-optimization/27364
1642 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1643 multiply expressions.
1645 2006-05-02 Tom Tromey <tromey@redhat.com>
1647 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1649 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1652 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1653 -mthumb -fPIC are used.
1655 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1656 Joshua Kinard <kumba@gentoo.org>
1659 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1660 with 64-bit pointers.
1662 2006-05-02 Paul Brook <paul@codesourcery.com>
1664 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1666 (create_fix_barrier): Check that a suitable barrier location is
1668 (arm_reorg): Include ftmp->address in allowable range of addresses.
1670 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1673 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1676 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1679 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1680 around RESULT_DECL for result passed by reference.
1681 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1682 * omp-low.c (use_pointer_for_field): Don't look at
1683 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1684 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1685 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1686 time or var for passing by reference for
1687 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1688 TREE_ADDRESSABLE variables when passing by reference.
1690 * omp-low.c (dump_omp_region): Fix output formatting.
1693 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1694 (expand_omp_parallel): Likewise.
1695 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1698 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1699 on statement list containing also constructors and destructors.
1700 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1703 * except.c (duplicate_eh_regions): Fix clearing of
1704 cfun->eh->region_array entries.
1706 2006-05-01 DJ Delorie <dj@redhat.com>
1708 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1710 (gcc_cv_objdump): Likewise.
1711 * configure: Regenerated.
1713 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1716 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1717 templates for case 3 and 4.
1719 2006-05-01 DJ Delorie <dj@redhat.com>
1721 * vec.c: Include bconfig.h when appropriate.
1722 * Makefile.in (build/vec.o): Adjust dependencies.
1723 * mkconfig.sh: Make sure config.h isn't used for build machine
1726 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1728 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1730 (mark_phi_for_rewrite): New function.
1731 (insert_phi_nodes_for, mark_use_interesting): Call
1732 mark_phi_for_rewrite.
1733 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1734 (update_ssa): Initialize and free phis_to_rewrite.
1736 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1738 PR rtl-optimization/27291
1739 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1740 folded to a constant.
1742 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1744 PR tree-optimization/27283
1745 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1746 not whole # of iteration descriptions.
1747 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1748 uses abnormal ssa name.
1749 (niter_for_single_dom_exit): Ditto.
1750 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1751 return just the number of iterations.
1753 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1755 PR tree-optimization/27144
1756 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1757 (record_estimate): Only record constant upper bound.
1758 (infer_loop_bounds_from_undefined): Call
1759 compute_estimated_nb_iterations just once.
1760 (proved_non_wrapping_p): Renamed to ...
1761 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1762 (convert_step_widening, scev_probably_wraps_p): Call
1763 n_of_executions_at_most instead of proved_non_wrapping_p.
1764 (substitute_in_loop_info): Do not replace values in bounds.
1765 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1768 2006-05-01 Richard Henderson <rth@redhat.com>
1771 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1772 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1775 2006-05-01 Roger Sayle <roger@eyesopen.com>
1777 * c-typeck.c (parser_build_binary_op): Don't call the function
1778 unsigned_conversion_warning to spot operand/result type overflow.
1779 (build_binary_op): Instead, call convert_and_check instead of
1780 convert to report the problem when the operands are promoted.
1781 * c-common.c (unsigned_conversion_warning): Make static.
1782 * c-common.h (unsigned_conversion_warning): Delete prototype.
1784 2006-05-01 Richard Guenther <rguenther@suse.de>
1786 PR tree-optimization/26726
1787 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1789 (find_interesting_uses_address): ... we work around here
1790 by folding INDIRECT_REFs in the substituted base.
1792 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1794 * omp-low.c (dump_omp_region): Add newlines.
1796 2006-04-30 Roger Sayle <roger@eyesopen.com>
1798 * common.opt (Woverflow): New command line option.
1799 * c-common.c (constant_expression_warning): Check warn_overflow.
1800 (overflow_waring): Pass OPT_Woverflow to warning.
1801 (unsigned_conversion_warning): Likewise.
1802 (convert_and_check): Likewise.
1803 * doc/invoke.texi: Document new command line option.
1805 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1807 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1808 TARGET_NO_FP_IN_TOC for section anchors.
1809 (optimization_options): Enable section anchors for all
1810 non-"Objective" languages.
1812 2006-04-28 Eric Christopher <echristo@apple.com>
1814 * config/darwin-c.c (darwin_ms_struct): Move this
1815 (darwin_set_default_type_attributes): and this...
1816 * config/darwin.c: ... here.
1817 * config/darwin.h (darwin_ms_struct): Declare.
1819 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1821 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1823 2006-04-28 Roger Sayle <roger@eyesopen.com>
1826 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1827 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1828 an unsigned HOST_WIDE_INT.
1829 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1831 (really_start_incremental_init): No need to call convert because
1832 bitsize_zero_node is already of type bitsizetype.
1833 (push_init_level): Extract the value of constructor_index as an
1834 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1835 (process_init_element): Likewise.
1837 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1839 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1840 value before passing to make_relative_prefix.
1842 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1845 * builtins.c (expand_builtin_memset): Expand val in original mode.
1847 2006-04-27 Eric Christopher <echristo@apple.com>
1849 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1850 with #ifndef/#endif.
1851 * config/darwin-c.c (darwin_ms_struct): New.
1852 (darwin_pragma_ms_struct): Ditto.
1853 (darwin_set_default_type_attributes): Ditto.
1854 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1855 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1856 Register ms_struct pragma.
1857 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1858 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1859 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1860 darwin_set_default_type_attributes if TARGET_MACHO.
1862 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1864 PR tree-optimization/26854
1865 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1866 * doc/tree-ssa.texi: Update immuse iterator documentation.
1867 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1868 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1869 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1870 first_safe_imm_use, next_safe_imm_use): Remove.
1871 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1872 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1873 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1874 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1875 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1876 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1877 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1878 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1879 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1880 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1881 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1882 (perfect_nestify): Use new iterator.
1883 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1885 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1886 (next_imm_name): New field in struct immediate_use_iterator_d.
1887 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1888 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1889 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1890 * tree-cfg.c (replace_uses_by): Use new iterator.
1891 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1892 * tree-ssa-operands.c (correct_use_link): Remove.
1893 (finalize_ssa_use_ops): No longer call correct_use_link.
1895 2006-04-27 Stuart Hastings <stuart@apple.com>
1897 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1898 * config/t-darwin (crt3.o): Use it.
1899 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1900 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1901 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1902 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1903 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1906 2006-04-27 Roger Sayle <roger@eyesopen.com>
1908 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1909 size, force the intermediate into a new pseudo rather instead of
1910 performing both a bitwise AND and a bitwise IOR in memory.
1912 2006-04-27 Richard Guenther <rguenther@suse.de>
1914 PR rtl-optimization/26685
1915 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1916 this one "max-flow-memory-locations".
1918 2006-04-27 Richard Guenther <rguenther@suse.de>
1920 PR tree-optimization/25148
1921 * tree-vrp.c (compare_values): Remove code dealing with
1922 comparisons against type min/max value. Honour overflow
1923 and negative constants in code dealing with comparisons
1924 of plus and minus expressions.
1925 (value_inside_range): Use fold_binary with LE_EXPR and
1926 GE_EXPR rather than compare_values.
1928 2006-04-27 Dirk Mueller <dmueller@suse.de>
1930 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1933 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1935 * basic-block.h (safe_insert_insn_on_edge): Removed.
1936 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1938 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1939 Paolo Bonzini <bonzini@gnu.org>
1942 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1943 (simplify_and_const_int): Same.
1945 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1947 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1949 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1952 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1953 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1954 cgraph_global_info_ready.
1957 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1960 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1961 either decl or init is error_mark_node.
1964 * tree-flow.h (struct omp_region): Add sched_kind.
1965 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1966 instead of extracting omp for data.
1967 (expand_omp_for): Save extracted sched_kind.
1969 2006-04-25 Roger Sayle <roger@eyesopen.com>
1971 * expmed.c (store_bit_field): Also check whether the bitsize is
1972 valid for the machine's "insv" instruction before moving the
1973 target into a pseudo for use with the insv.
1974 * config/i386/predicates.md (const8_operand): New predicate.
1975 * config/i386/i386.md (extv, extzv, insv): Use the new
1976 const8_operand predicate where appropriate.
1978 2006-04-25 DJ Delorie <dj@redhat.com>
1980 * doc/install.texi (Specific): Clarify that this is not a list of
1981 supported hosts or targets.
1983 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1985 PR rtl-optimization/26725
1986 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1987 block's BB_DIRTY flag.
1989 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1991 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1994 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1995 to print an integer.
1997 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1999 * varasm.c (align_variable): New function.
2000 (get_block_for_decl): Apply align_variable to DECL before
2001 calculating section information.
2002 (assemble_variable): Split out alignment computation.
2004 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2006 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2009 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2011 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2012 MODE_PARTIAL_INT mode.
2013 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2014 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2016 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2017 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2019 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2021 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2023 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2024 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2025 MACFLAG_IH): Likewise.
2026 (movstricthi_1): Renamed from "*movstricthi".
2027 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2028 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2029 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2030 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2031 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2032 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2033 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2034 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2035 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2036 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2037 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2038 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2039 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2040 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2041 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2043 * doc/rtl.texi (ss_ashift): Improve wording.
2045 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2047 * dwarf2out.c (verify_marks_clear): New.
2048 (prune_unused_types): Call verify_marks_clear initially, not
2051 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2053 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2054 * doc/rtl.texi: Document them.
2055 * simplify-rtx.c (simplify_unary_operation,
2056 simplify_binary_operation_1): Don't abort when we see them.
2058 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2061 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2062 * configure.ac: Completely disregard languages that are not
2064 * configure: Regenerated.
2066 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2067 Richard Guenther <rguenther@suse.de>
2069 PR tree-optimization/27236
2070 * tree-inline.c (copy_body_r): Make sure to copy
2071 TREE_THIS_VOLATILE flag.
2073 2006-04-24 Richard Guenther <rguenther@suse.de>
2076 * tree-complex.c (update_parameter_components): Don't handle
2077 unused parameters which have no default def.
2079 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2080 Richard Guenther <rguenther@suse.de>
2082 PR tree-optimization/27218
2083 * tree-inline.c (expand_call_inline): Strip useless type
2084 conversions for the return slot address.
2086 2006-04-24 Richard Guenther <rguenther@suse.de>
2088 * cfgloop.h (struct loops): Remove unused field array. Reorder
2090 (LOOP_PREFETCH): Remove.
2092 2006-04-24 Richard Guenther <rguenther@suse.de>
2094 PR tree-optimization/22525
2095 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2096 variable, adjust types of generated expressions.
2098 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2100 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2101 (tree-vect-patterns.o): Likewise.
2103 (cselib.o): Likewise.
2104 (loop-doloop.o): Likewise.
2105 (regclass.o): Likewise.
2106 (reload1.o): Likewise.
2107 (explow.o): Replace target.h with $(TARGET_H).
2108 (ipa-prop.o): Likewise.
2109 (ipa-cp.o): Likewise.
2110 (ipa-inline.o): Likewise.
2111 (reorg.o): Likewise.
2112 (reg-stack.o): Likewise.
2114 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2116 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2118 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2120 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2122 * configure.ac: Completely disregard languages that are not
2124 * configure: Regenerated.
2127 * c-common.h (c_build_bitfield_integer_type): Declare.
2128 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2129 * c-common.c (c_build_bitfield_integer_type): ... here.
2131 2006-04-23 Roger Sayle <roger@eyesopen.com>
2134 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2135 a SImode SUBREG of a floating point register after no_new_pseudos.
2137 2006-04-23 Roger Sayle <roger@eyesopen.com>
2139 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2140 identify potentially eliminable registers to additionally catch
2141 VIRTUAL_INCOMING_ARGS_REGNUM.
2142 (addsi3): Update the conditions on when to use addsi_small_int.
2144 2006-04-23 Roger Sayle <roger@eyesopen.com>
2147 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2148 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2149 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2151 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2153 * fold-const.c (range_predecessor): Use operand_equal_p
2154 as the predicate for equality.
2155 (range_successor): Likewise.
2157 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2160 * config/soft-fp/op-common.h: Fix a typo.
2162 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2165 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2166 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2168 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2170 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2172 * doc/tm.texi: Fix a typo.
2174 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2176 * dwarf2out.c (struct die_struct): Document that die_sib makes
2177 a circular linked list.
2178 (FOR_EACH_CHILD): New.
2179 (reverse_die_lists): Delete.
2180 (reverse_all_dies): Delete.
2181 (add_dwarf_attr): Correct documentation.
2182 (remove_child_with_prev): New.
2183 (remove_child_TAG): Update for change to die_struct, use
2184 remove_child_with_prev.
2185 (add_child_die): Update for change to die_struct.
2186 (splice_child_die): Use remove_child_with_prev and add_child_die.
2187 (print_die): Use FOR_EACH_CHILD.
2188 (die_checksum): Likewise.
2189 (assign_symbol_names): Likewise.
2190 (output_location_lists): Likewise.
2191 (build_abbrev_table): Likewise.
2192 (calc_die_sizes): Likewise.
2193 (mark_dies): Likewise.
2194 (unmark_dies): Likewise.
2195 (unmark_all_dies): Likewise.
2196 (output_die): Likewise.
2197 (prune_unused_types_mark): Likewise.
2198 (prune_unused_types_walk): Likewise.
2199 (same_die_p): Update for change to die_struct.
2200 (break_out_includes): Likewise.
2201 (prune_unused_types_prune): Likewise.
2202 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2203 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2205 (dwarf2out_finish): Don't call reverse_all_dies.
2207 2006-04-21 Eric Christopher <echristo@apple.com>
2209 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2210 in comments and function names.
2212 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2215 * c-typeck.c (digest_init): Robustify.
2217 * c-typeck.c (pop_init_level): Simplify.
2219 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2221 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2223 2006-04-21 Paul Brook <paul@codesourcery.com>
2225 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2226 hardware floating point.
2228 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2230 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2233 2006-04-21 Nick Clifton <nickc@redhat.com>
2235 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2238 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2241 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2242 C++ lang type in traceback table for Objective-C++.
2244 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2246 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2248 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2250 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2253 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2254 were errors. Remove check for erroneous objects.
2256 2006-04-20 Jeff Law <law@redhat.com>
2258 PR tree-optimization/26854
2259 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2260 checking for zero or one use.
2261 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2262 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2263 * tree-ssa-reassoc.c (negate_value): Similarly.
2264 (reassociate_bb): Similarly.
2266 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2268 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2269 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2270 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2272 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2274 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2275 fp regs if the last fp arg doesn't fit in regs.
2277 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2280 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2281 that the last insn has the REG_INC note.
2283 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2284 Nathan Sidwell <nathan@codesourcery.com>
2287 * stor-layout.c (update_alignment_for_field): Do not align
2289 (place_union_field): Place union field at the start of the union.
2290 (place_field): Move ERROR_MARK check later, and use the current
2291 allocation position to maintain monotonicity.
2293 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2295 * dominance.c: Include timevar.h.
2296 (calculate_dominance_info): Use TV_DOMINANCE.
2297 * timevar.def (TV_DOMINANCE): New timevar.
2298 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2300 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2302 PR rtl-optimization/14261
2303 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2304 move would be an INSV insn.
2305 (noce_process_if_block): Don't optimize if the destination is a
2306 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2308 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2310 * config/s390/s390.md: Add comments with the instructions emitted
2311 by an insn pattern if macros are used.
2313 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2315 PR rtl-optimization/26026
2316 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2317 is a known power of two shifted left a variable amount.
2319 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2321 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2322 to hash table twice when the debug_str section has SECTION_MERGE.
2324 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2326 * config/soft-fp: New directory. From glibc.
2327 * config/soft-fp/t-softfp: New.
2328 * config/soft-fp/README: New.
2329 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2330 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2331 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2332 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2333 * config.gcc: Use rs6000/t-fprules-fpbit or
2334 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2336 * config/rs6000/sfp-machine.h: New. Based on glibc.
2337 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2339 * config/rs6000/t-fprules: Remove fp-bit rules.
2340 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2341 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2342 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2343 (softfp_wrap_start, softfp_wrap_end): New.
2345 2006-04-18 DJ Delorie <dj@redhat.com>
2347 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2349 2006-04-18 Devang Patel <dpatel@apple.com>
2351 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2353 2006-04-18 Nick Clifton <nickc@redhat.com>
2355 * config/sh/t-symbian: Add rule to build sh-c.o
2356 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2357 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2358 (sh_symbian_encode_section_info): Likewise.
2360 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2362 * builtins.c (expand_builtin_strcmp): Cover label definition of
2363 do_libcall with HAVE_cmpstrnsi.
2365 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2367 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2369 * function.h (temp_slot_p): New.
2370 (function): Change the type of x_used_temp_slots to
2371 VEC(temp_slot_p,gc) *.
2373 2006-04-18 Nick Clifton <nickc@redhat.com>
2375 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2376 flag_strength_reduce.
2378 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2380 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2384 Partial revert of revision 112637
2385 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2386 Dale Johannesen <dalej@apple.com>
2389 * regclass.c (struct reg_pref): Update documentation.
2390 (regclass): Set prefclass to NO_REGS if memory is the best option.
2391 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2393 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2395 PR tree-optimization/26821
2396 * tree-ssa-math-opts.c (get_constant_one): New.
2397 (insert_reciprocals): Use it.
2399 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2401 * dwarf2out.c (free_AT): Delete.
2402 (remove_AT): Update string ref counts.
2403 (remove_child_TAG): Don't call free_die.
2405 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2406 or DW_TAG_GNU_EINCL.
2407 (prune_unused_types_walk_attribs): Reset string refcounts.
2408 (prune_unused_types_update_strings): New.
2409 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2410 call free_die. Do call prune_unused_types_update_strings.
2411 (prune_unused_types): Empty debug_str_hash.
2413 2006-04-17 Roger Sayle <roger@eyesopen.com>
2415 * expr.c (expand_assignment): Optimize away no-op moves where the
2416 source and destination are equal and have no side-effects.
2418 2006-04-17 Richard Guenther <rguenther@suse.de>
2421 * reload.c (push_reload): Guard calls to get_secondary_mem
2424 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2426 * alias.c (reg_base_value, old_reg_base_value): Change the
2427 type to VEC(rtx,gc) *.
2428 (REG_BASE_VALUE, find_base_value, record_set,
2429 init_alias_analysis): Use VEC instead of VARRAY.
2431 * alias.c (alias_sets): Change the type to
2432 VEC(alias_set_entry,gc) *.
2433 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2434 VEC instead of VARRAY.
2435 (last_alias_set): Remove.
2437 * cgraph.h (cgraph_edge_p): New.
2438 Update the prototype of cgraph_function_versioning.
2439 * cgraphunit.c (cgraph_copy_node_for_versioning,
2440 cgraph_function_versioning): Use VEC instead of VARRAY.
2441 * ipa-cp.c (ipcp_insert_stage): Likewise.
2443 2006-04-16 Roger Sayle <roger@eyesopen.com>
2446 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2447 "A op B" or "A op C", we may need to convert A to the type of B and C.
2449 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2451 * target.h (struct gcc_target): Add mode_rep_extended.
2452 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2453 (init_num_sign_bit_copies_in_rep): Initialize it using
2455 (truncate_to_mode): Use it.
2456 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2457 * targhooks.h (default_mode_rep_extended): Declare it.
2458 * targhooks.c (default_mode_rep_extended): Define it.
2459 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2460 default_mode_rep_extended.
2461 (TARGET_INITIALIZER): Include it.
2462 * doc/tm.texi (Misc): Document it.
2463 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2464 (mips_truncated_to_mode): New function.
2466 2006-04-16 Roger Sayle <roger@eyesopen.com>
2469 * expr.c (compress_float_constant): Copy the narrow constant into
2470 a new pseudo before extending it to its final width.
2472 2006-04-16 Roger Sayle <roger@eyesopen.com>
2473 Andrew Pinski <pinskia@gcc.gnu.org>
2474 Dale Johannesen <dalej@apple.com>
2477 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2478 special case code to implement V8HImode and V16QImode with SSE2.
2480 2006-04-15 Roger Sayle <roger@eyesopen.com>
2482 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2483 trees are constructed with a suitable tree type.
2485 2006-04-15 Roger Sayle <roger@eyesopen.com>
2487 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2488 (integer_onep): Likewise.
2489 (integer_all_onesp): Likewise.
2490 (integer_pow2p): Likewise.
2491 (integer_nonzerop): Likewise.
2492 (real_zerop): Likewise.
2493 (real_onep): Likewise.
2494 (real_twop): Likewise.
2495 (real_minus_onep): Likewise.
2496 (int_size_in_bytes): Likewise.
2497 (host_integerp): Likewise.
2499 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2501 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2502 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2503 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2505 * tree-ssa-structalias.h (alias_info): Remove num_references.
2507 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2509 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2510 (output_bvb patterns): Likewise.
2511 * pa.c (output_bb): Use 'bb' insn for long branch case.
2512 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2513 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2514 1. Correct length operand for alternatives 1 and 2.
2515 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2516 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2518 2006-04-14 Roger Sayle <roger@eyesopen.com>
2520 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2521 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2522 were accidentally reverted by r112959.
2524 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2527 * except.h (eh_region_outermost): New prototype.
2528 * except.c (eh_region_outermost): New function.
2529 * tree-cfg.c (find_outermost_region_in_block): Use it.
2531 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2533 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2535 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2536 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2537 (init_reload, reload): Use VEC instead of VARRAY.
2538 * reload.h: Update the prototype for
2539 reg_equiv_memory_loc_varray.
2541 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2542 Eric Botcazou <ebotcazou@libertysurf.fr>
2544 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2547 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2550 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2551 to expand fallback builtin function call.
2553 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2556 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2557 and emit libcall here in case the builtin fails.
2558 (expand_builtin_strcmp): Always emit the libcall here on failure.
2560 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2562 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2563 * flow.c (reg_n_info): Change the type to
2564 VEC(reg_info_p,heap) *.
2565 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2567 * regs.h (reg_info_p): New.
2568 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2569 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2570 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2573 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2575 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2577 * params.h (MAX_SCHED_READY_INSNS): New macro.
2578 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2579 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2580 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2581 the ready list for 1 cycle during the first scheduling pass.
2582 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2584 2006-04-13 Richard Henderson <rth@redhat.com>
2587 * gimple-low.c (lower_omp_directive): Remove dead code.
2588 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2589 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2590 * omp-low.c (struct omp_region): Move to tree-flow.h.
2591 (root_omp_region): Export.
2592 (omp_regions, lookup_omp_region): Remove.
2593 (determine_parallel_type): Update for struct omp_region changes.
2594 (dump_omp_region): Dump regions with block numbers.
2595 (new_omp_region): Take type and block instead of stmt; malloc
2597 (free_omp_region_1, free_omp_regions): New.
2598 (expand_parallel_call): Take entry_stmt as argument; update for
2599 changes to omp_region.
2600 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2601 (remove_exit_barriers): New.
2602 (expand_omp_parallel): Update for struct omp_region changes.
2603 (expand_omp_synch): Likewise.
2604 (expand_omp): Likewise.
2605 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2606 (expand_omp_for_static_chunk): Likewise.
2607 (expand_omp_for): Likewise.
2608 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2609 (expand_omp_sections): Similarly, with GOMP_sections_end.
2610 (expand_omp_single): New.
2611 (build_omp_regions_1): Update for OMP_CONTINUE.
2612 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2613 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2614 OMP_SECTIONS_SECTIONS.
2615 (lower_omp_single_simple): Don't emit barrier here.
2616 (lower_omp_single_copy): Likewise.
2617 (lower_omp_single): Fix bindings, and lower to straightline now.
2618 (lower_omp_master, lower_omp_ordered): Likewise.
2619 (lower_omp_critical): Likewise.
2620 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2621 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2622 omp edges, free it afterward.
2623 (make_omp_sections_edges): Remove.
2624 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2625 (move_stmt_r): Handle OMP_CONTINUE.
2626 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2627 statement pointers to basic blocks. Add type member.
2628 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2629 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2630 * tree-inline.c (estimate_num_insns_1): Likewise.
2631 * tree-pretty-print.c (dump_generic_node): Likewise.
2632 * tree-ssa-operands.c (get_expr_operands): Likewise.
2633 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2634 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2635 (OMP_CONTINUE): New.
2636 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2637 (OMP_SECTIONS_SECTIONS): Remove.
2638 (OMP_SECTION_LAST): New.
2639 (OMP_RETURN_NOWAIT): New.
2641 2006-04-13 Roger Sayle <roger@eyesopen.com>
2643 * fold-const.c (native_encode_vector, native_interpret_real):
2644 Correct obvious mistakes in the previous check-in.
2646 2006-04-13 Roger Sayle <roger@eyesopen.com>
2648 * fold-const.c (native_encode_expr): New function to encode
2649 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2650 or VECTOR_CST into a specified buffer.
2651 (native_encode_int): New function.
2652 (native_encode_real): New function.
2653 (native_encode_complex): New function.
2654 (native_encode_vector): New function.
2655 (native_interpret_expr): Inverse of native_encode_expr to convert
2656 a target representation into an INTEGER_CST, REAL_CST etc...
2657 (native_interpret_int): New function.
2658 (native_interpret_real): New function.
2659 (native_interpret_complex): New function.
2660 (native_interpret_vector): New function.
2661 (fold_view_convert_expr): New function to constant fold/evaluate
2662 a VIEW_CONVERT_EXPR of a suitable constant expression.
2663 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2664 Change call of build1 to fold_build1 when constructing a
2667 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2668 Ulrich Weigand <uweigand@de.ibm.com>
2671 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2674 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2677 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2678 optimize to lo_sum for DFmode if !TARGET_FPRS.
2680 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2682 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2683 delete_alias_info, compute_flow_sensitive_aliasing,
2684 group_aliases): Use VEC instead of VARRAY.
2685 * tree-ssa-structalias.c (update_alias_info): Likewise.
2686 * tree-ssa-structalias.h (alias_info): Change the type of
2687 processed_ptrs to VEC(tree,heap) *.
2689 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2692 * config/sh/lib1funcs.h: New file, broken out of:
2693 * config/sh/lib1funcs.asm.
2694 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2696 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2697 * config/sh/lib1funcs-Os-4-200.asm: New file.
2698 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2699 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2700 (EXTRA_MULTILIB_PARTS): Include it.
2701 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2702 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2703 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2704 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2707 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2709 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2710 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2711 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2713 * tree-ssa-live.h: Include vecprim.h.
2714 (tree_partition_associator_d): Change the type of
2715 first_partition to VEC(int,heap) *.
2716 (tpa_first_partition): Use VEC instead of VARRAY.
2718 * Makefile.in (GTFILES): Move functions.h after tree.h.
2719 * function.c (reset_block_changes, record_block_change,
2720 check_block_change, free_block_changes): Use VEC instead of
2722 * function.h (function): Change the type of
2723 ib_boundaries_block to VEC(tree,gc) *.
2724 * tree-inline.c (copy_cfg_body): Initialize
2725 ib_boundaries_block to NULL instead of (varray_type) 0.
2727 2006-04-12 Roger Sayle <roger@eyesopen.com>
2729 * expr.c (emit_group_store): Correct operand order in call to
2730 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2731 a SUBREG_BYTE of zero.
2733 2006-04-12 Richard Guenther <rguenther@suse.de>
2735 * profile.c (compute_branch_probabilities): Remove code
2736 encapsulated in !ir_type (), which are remanents of the
2737 removed RTL profiling code.
2738 * rtl-profile.c: Remove.
2740 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2742 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2743 magic NULL_RTX comment.
2744 (function_arg): Store entire fp arg to mem if any part should go
2746 (rs6000_arg_partial_bytes): Adjust for above change.
2748 2006-04-11 Roger Sayle <roger@eyesopen.com>
2750 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2751 if it hasn't been initialized by dwarf2out_init.
2753 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2755 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2756 symbolic constants in branch patterns.
2758 2006-04-11 Roger Sayle <roger@eyesopen.com>
2760 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2762 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2764 PR rtl-optimization/27073
2765 * gcse.c (try_replace_reg): Revert last change. Continue to search
2766 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2769 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2771 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2772 aggregate types other than record and union types.
2773 (function_arg): Likewise.
2774 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2776 (function_value): In 64-bit mode, return objects that require it
2779 2006-04-11 Roger Sayle <roger@eyesopen.com>
2781 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2783 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2785 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2787 2006-04-03 Jeff Law <law@redhat.com>
2790 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2791 alias information too.
2793 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2795 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2797 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2800 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2801 (premark_used_types_helper): New.
2802 (premark_used_types): New.
2803 (gen_subprogram_die): Call premark_used_types.
2804 (prune_unused_types_walk): Do not prune perennial dies.
2805 * function.c (used_types_insert): New.
2806 * function.h (struct function): Add used_types_hash field.
2807 (used_types_insert): Add prototype.
2808 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2809 * c-parser.c (c_parser_cast_expression): Save casted types in used
2812 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2815 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2816 rs6000_explicit_options.float_gprs.
2818 2006-04-10 Roger Sayle <roger@eyesopen.com>
2820 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2821 from ix86_expand_vector_init_low_nonzero. Take an additional
2822 one_var argument indicating which element is non-zero. Support
2823 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2824 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2825 with one_var instead of ix86_expand_vector_init_low_nonzero.
2827 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2829 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2830 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2831 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2832 build/genextract.o): Depend on vecprim.h.
2833 * cfglayout.c, df-problems.c, function.c, genextract.c,
2834 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2835 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2839 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2841 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2842 Declare VECs of this type.
2843 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2844 (remove_children): Delete.
2845 (add_dwarf_attr): Use VEC routines.
2846 (add_AT_flag): Update for changes to add_dwarf_attr.
2847 (add_AT_int): Likewise.
2848 (add_AT_unsigned): Likewise.
2849 (add_AT_long_long): Likewise.
2850 (add_AT_vec): Likewise.
2851 (add_AT_string): Likewise.
2852 (add_AT_die_ref): Likewise.
2853 (add_AT_fde_ref): Likewise.
2854 (add_AT_loc): Likewise.
2855 (add_AT_loc_list): Likewise.
2856 (add_AT_addr): Likewise.
2857 (add_AT_lbl_id): Likewise.
2858 (add_AT_lineptr): Likewise.
2859 (add_AT_macptr): Likewise.
2860 (add_AT_offset): Likewise.
2861 (add_AT_range_list): Likewise.
2862 (get_AT): Use VEC_iterate.
2863 (remove_AT): Use VEC_ordered_remove.
2864 (free_die): Fold remove_children into here; have it use VEC_iterate.
2865 (print_die): Use VEC_iterate on attrs.
2866 (reverse_die_lists): Don't reverse attr lists.
2867 (die_checksum): Use VEC_iterate on attrs.
2868 (same_die_p): Likewise.
2869 (output_location_lists): Likewise.
2870 (build_abbrev_table): Likewise.
2871 (size_of_die): Likewise.
2872 (unmark_all_dies): Likewise.
2873 (output_abbrev_section): Likewise.
2874 (output_die): Likewise.
2875 (prune_unused_types_walk_attribs): Likewise.
2877 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2879 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2881 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2884 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2886 2006-04-09 Roger Sayle <roger@eyesopen.com>
2888 * expr.c (store_constructor): Don't bother clearing target if
2889 we're about to assign a vector to it using vec_init_optab.
2891 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2893 * tree-ssa-alias.c (lhs_may_store_to): New function.
2894 (recalculate_used_alone): Handle LHS of calls.
2896 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2900 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2901 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2902 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2903 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2904 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2905 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2906 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2907 stubs. Add ".align 8" directives before all ".dword" directives.
2908 (GTHREAD_USE_WEAK): Revise comment.
2909 (TARGET_ATTRIBUTE_WEAK): Define.
2910 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2911 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2912 * stublib.c: New file.
2917 * pa.md (cbranch patterns): Revise arguments used in calls to
2918 output_cbranch, output_bb and output_bvd. Add long branch length
2920 (fbranch patterns): Handle long branches.
2921 (jump): Revise length check. Revise arguments for output_lbranch call.
2922 Add long branch length attributes.
2923 (decrement_and_branch_until_zero): Add long branch length attributes.
2924 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2925 Likewise. Revise arguments for output_parallel_addb and
2926 output_parallel_movb calls.
2927 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2928 output_parallel_movb and output_parallel_addb): Update prototypes.
2929 * pa.c (output_cbranch): Revise arguments. Correct handling of
2930 nullification in long branches.
2931 (output_lbranch): Add new argument to control extraction of delay
2933 (output_bb): Handle long branches.
2934 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2935 output_parallel_addb): Likewise.
2937 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2939 PR rtl-optimization/27073
2940 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2943 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2945 * tree.h (tree_memory_tag): Add old_used_alone.
2946 (SMT_OLD_USED_ALONE): New macro.
2947 * tree-ssa-alias.c (recalculate_used_alone): Stop
2948 marking things for renaming unnecessarily.
2950 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2952 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2953 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2954 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2955 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2956 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2957 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2958 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2959 spelling convensions.
2960 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2961 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2962 typos. Follow spelling conventions.
2964 2006-04-07 DJ Delorie <dj@redhat.com>
2966 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2967 passed on the stack.
2968 (m32c_init_cumulative_args): When a function returns a structure,
2969 always pass the pointer to that return area on the stack.
2970 (m32c_function_arg_advance): Don't increment the parameter number
2971 if we're processing the returned structure pointer.
2972 (pushm_info): Reverse order of registers.
2974 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2976 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2977 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2978 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2979 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2981 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2982 chrec_fold_multiply): Same.
2983 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2984 force_expr_to_var_cost): Same.
2985 * tree-mudflap.c (mf_xform_derefs_1): Same.
2986 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2988 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2990 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2991 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2994 2006-04-07 Jan Hubicka <jh@suse.cz>
2996 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2998 2006-04-07 Richard Guenther <rguenther@suse.de>
3000 PR tree-optimization/26135
3001 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3002 loads for store copy-prop.
3003 (copy_prop_visit_stmt): Likewise.
3005 2006-04-05 Robert Millan <robertmh@gnu.org>
3007 * config/i386/linux.h: Add a comment to mark macros that are
3008 being overriden in config/k*bsd-gnu.h.
3009 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3011 * config/knetbsd-gnu.h: Ditto.
3013 2006-04-06 Jan Hubicka <jh@suse.cz>
3017 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3020 2006-04-06 Mike Stump <mrs@apple.com>
3022 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3023 for HAVE_nonlocal_goto to be consistent.
3024 (expand_builtin_nonlocal_goto): Likewise.
3025 (expand_builtin_strcmp): Use #ifdef instead of #if
3026 for HAVE_cmpstrnsi to be consistent.
3028 2006-04-05 DJ Delorie <dj@redhat.com>
3030 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3033 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3035 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3036 got-relative addressing for anything but SImode.
3038 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3039 even if the calling function doesn't modify them.
3041 2006-04-05 Richard Guenther <rguenther@suse.de>
3043 PR tree-optimization/26919
3044 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3045 to cgraph_estimate_size_after_inlining.
3047 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3049 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3051 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3053 PR tree-optimization/26996
3054 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3055 VECTOR_TYPE variables.
3057 2006-04-05 Richard Guenther <rguenther@suse.de>
3059 PR tree-optimization/26763
3060 * fold-const.c (fold_comparison): Move folding of
3061 PTR + CST CMP PTR + CST ...
3062 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3064 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3066 * doc/install.texi (Prerequisites): Refine some wording on
3067 bootstrapping and ksh.
3068 Move the version numbers of DejaGnu here from the testing section
3069 and fix casing of names.
3070 Fix markup and clarify wording for autogen requirements.
3071 Refer to GCJ instead of just java.
3072 Refer to SVN instead of CVS.
3073 Describe diffutils as useful instead of necessary.
3074 (Downloading the source): Refer to SVN instead of CVS.
3075 Adjust a link to our web site accordingly.
3076 (Configuration): Fix casing of Bison.
3077 (Building): Refer to SVN instead of CVS.
3078 Fix a sentence on the use of Bison and remove duplicate (and
3079 incorrect) version number of Bison requirement.
3080 Remove one redundant list of packages needed for building.
3081 (Specific): Avoid reference to CVS.
3083 2006-04-04 Eric Christopher <echristo@apple.com>
3085 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3086 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3087 (rs6000_handle_struct_attribute): New.
3088 (rs6000_ms_bitfield_layout_p): Ditto.
3090 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3092 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3093 NULL for dso parameter to atexit_common.
3095 2006-04-04 Eric Christopher <echristo@apple.com>
3097 * config/i386/i386.c (machopic_output_stub): Output \t
3098 between instructions and operands.
3100 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3102 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3103 satisfies_constraint_[IL] to explicit tests on value.
3105 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3107 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3108 set_nb_iterations_in_loop): Use build_int_cst instead of
3110 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3111 build_int_cst instead of convert.
3113 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3115 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3116 new value 2 for incoming.
3117 * function.c (expand_function_start): Call struct_value_rtx
3119 * config/sparc/sparc.md: Comment updated_return.
3120 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3121 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3122 struct return if sparc_std_struct_return and incoming is 2.
3123 (print_operand): Do not adjust return if
3124 sparc_std_struct_return.
3126 2006-04-04 Roger Sayle <roger@eyesopen.com>
3128 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3129 convert in the middle-end.
3130 * expr.c (store_expr, store_constructor, get_inner_reference,
3131 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3133 * tree.c (build_range_type): Likewise.
3135 2006-04-04 Tom Tromey <tromey@redhat.com>
3137 * doc/install.texi (Prerequisites): Mention jar.
3139 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3141 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3144 2006-04-04 Matthias Klose <doko@debian.org>
3146 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3147 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3150 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3152 * doc/extend.texi (Function Attributes): Rewrite visibility
3153 attribute documentation.
3154 * doc/invoke.texi (C++ Dialect Options): Rewrite
3155 -fvisibility-inlines-hidden documentation to describe something
3156 entirely different, although in practise compatible.
3157 (Code Gen Options): Warn about system headers in -fvisibility=
3160 * doc/extend.texi (Other Builtins): Document that
3161 __builtin_nan is a compile-time constant only when its argument
3164 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3166 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3167 trying to remove TRUNCATE check if all bits outside the new mode
3168 are identical to the sign bit.
3170 2006-04-03 Jeff Law <law@redhat.com>
3172 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3173 and operand scanning in some common cases.
3175 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3176 Dale Johannesen <dalej@apple.com>
3179 * regclass.c (struct reg_pref): Update documentation.
3180 (regclass): Set prefclass to NO_REGS if memory is the best option.
3181 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3182 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3183 into account. For non-registers, equate an empty preferred
3184 reload class to a `!' in the constraint; move the if clause to
3185 do so after those that reject the insn.
3186 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3188 (find_dummy_reload): Likewise.
3189 * doc/tm.texi (Register Classes): Document what it means
3190 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3191 * config/i386/i386.c (ix86_preferred_reload_class): Force
3192 using SSE registers (and return NO_REGS for floating-point
3193 constants) if math is done with SSE.
3194 (ix86_preferred_output_reload_class): New.
3195 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3196 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3197 * config/i386/i386.md: Remove # register preferences.
3199 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3202 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3203 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3204 the type of nb_iter.
3205 (instantiate_parameters_1): Convert the operands before calling
3206 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3207 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3209 2006-04-02 Roger Sayle <roger@eyesopen.com>
3211 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3212 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3214 * dojump.c (do_jump): Likewise.
3215 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3216 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3217 gimplify_boolean_expr): Likewise.
3218 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3219 * varasm.c (array_size_for_constructor): Likewise.
3220 * tree-object-size.c (compute_object_offset): Likewise.
3222 2006-04-02 Roger Sayle <roger@eyesopen.com>
3225 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3226 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3228 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3230 PR tree-optimization/26939
3231 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3233 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3235 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3236 at_stmt. Convert the type of operands before calling
3237 build_polynomial_chrec.
3238 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3240 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3241 (instantiate_parameters_1): Convert the type of operands before calling
3242 build_polynomial_chrec.
3243 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3244 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3245 reset_evolution_in_loop): Insert asserts to check the types of the
3247 (chrec_type): Moved...
3248 (eq_evolutions_p): Use operand_equal_p.
3249 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3250 the types of the operands.
3251 (chrec_type): ...here.
3252 * tree-data-ref.c (create_data_ref): Convert the operands before
3253 calling chrec_replace_initial_condition.
3254 (same_access_functions, analyze_subscript_affine_affine,
3255 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3256 (compute_subscript_distance, analyze_ziv_subscript,
3257 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3258 analyze_miv_subscript): Convert the operands before calling
3259 chrec_fold_minus or chrec_fold_plus.
3261 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3263 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3264 the dependence_relations vector.
3265 (compute_data_dependences_for_loop): Adjust call to
3266 compute_all_dependences.
3268 2006-04-01 Roger Sayle <roger@eyesopen.com>
3269 Richard Henderson <rth@redhat.com>
3271 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3272 gimple_boolify on the condition before calling gimplify_expr.
3274 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3276 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3277 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3278 the frame size. Update to use the new macros.
3279 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3280 * config/xtensa/ieee754-df.S: Likewise.
3282 2006-03-31 Richard Henderson <rth@redhat.com>
3284 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3285 (make_edges): ... here. Control fallthru creation with a local
3286 variable. Do not play with fake edges.
3287 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3288 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3291 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3293 * dwarf2.h (DW64_CIE_ID): Define.
3294 * dwarf2out.c (DWARF_CIE_ID): Define.
3295 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3296 length header. Use DWARF_CIE_ID.
3297 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3298 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3300 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3302 * config/sh/linux-atomic.asm: New file.
3303 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3305 2006-03-31 DJ Delorie <dj@redhat.com>
3307 * config/m32c/cond.md: Set condition flags properly throughout.
3308 * config/m32c/minmax.md: Likewise.
3309 * config/m32c/prologue.md: Likewise.
3310 * config/m32c/bitops.md: Likewise.
3311 * config/m32c/muldiv.md: Likewise.
3312 * config/m32c/mov.md: Likewise.
3313 * config/m32c/addsub.md: Likewise.
3314 * config/m32c/m32c.md: Likewise.
3315 * config/m32c/jump.md: Likewise.
3316 * config/m32c/shift.md: Likewise.
3318 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3319 conditionally output the pattern for this.
3320 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3321 (m32c_compare_redundant): New.
3322 (m32c_output_compare): New.
3323 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3325 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3326 dest, not src. Allow other 4-byte modes.
3328 2006-03-30 Denis Chertykov <denisc@overta.ru>
3330 * doc/md.texi: Refer to avr/constraints.md instead of
3333 2006-03-30 Roger Sayle <roger@eyesopen.com>
3335 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3336 signed vs. unsigned comparison failures on some hosts.
3338 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3341 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3342 change to FLOAT_REGS.
3344 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3345 (rs6000_override_options): Use it.
3346 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3347 only for -mabi=spe/no-spe and -mabi=altivec.
3349 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3351 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3354 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3356 * Makefile.in: Rename docdir to gcc_docdir.
3358 2006-03-30 Roger Sayle <roger@eyesopen.com>
3361 * expr.c (emit_group_store): Optimize group stores into a pseudo
3362 register by using a paradoxical subreg to initialize the destination
3363 if the first or last member of the group specifies a "low part".
3365 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3368 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3369 * target.h (struct gcc_target.speculate_insn): Change type of the
3370 second parameter to 'int'.
3371 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3372 the second operand of the DEPS_LIST.
3373 (copy_DEPS_LIST_list): Update reference to the second operand of the
3375 * rtl.h (alloc_DEPS_LIST): Update signature.
3376 * sched-int.h (ds_t): Change typedef to 'int'.
3377 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3379 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3381 * haifa-sched.c (try_ready): Change condition to restore
3382 non-speculative pattern of the instruction.
3383 (process_insn_depend_be_in_spec): Code to keep probability of the
3384 speculative dependence non-decreasing.
3386 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3388 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3389 (single_move_for_movmem): ... this. Also change all uses.
3390 (bfin_expand_strmov): Renamed to...
3391 (bfin_expand_movmem): ... this. Also change all uses.
3392 * config/bfin/bfin.md (movstrsi): Renamed to...
3393 (movstrsi): ...this.
3395 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3397 PR tree-optimization/26830
3399 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3400 (copy_prop_visit_stmt): Remove write-only variable ann.
3401 (init_copy_prop): Check variable loop depth here. Do not simulate
3402 memory-tag and virtual operand PHIs except for store copy prop.
3404 2006-03-30 Richard Guenther <rguenther@suse.de>
3406 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3407 variants with double arguments.
3409 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3411 * genpreds.c (write_tm_constrs_h): Delete variable p.
3412 * genconditions.c (write_header): Add tm-constrs.h to included
3414 * genpeep.c (main): Add toplev.h to included headers.
3415 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3416 (build/genpeep.o): Add toplev.h dependency.
3417 * config/rs6000/constraints.md: Add "W" constraint.
3419 2006-03-29 Roger Sayle <roger@eyesopen.com>
3421 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3422 sizes by correctly testing whether the size fits a host integer.
3423 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3424 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3425 SImode range for the default sizetype and bitsizetype.
3427 2006-03-29 Roger Sayle <roger@eyesopen.com>
3429 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3430 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3431 quickly if the argument is already of the correct type.
3432 Call fold_build1 instead of build1. Tidy up blank lines.
3434 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3436 * genemit.c (main): Add tm-constrs.h to included headers.
3437 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3438 * genpeep.c (main): Add tm-constrs.h to included headers.
3439 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3440 (write_tm_constrs_h): this and write complete file.
3441 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3442 (write_insn_preds_c): Add tm-constrs.h to included headers.
3443 (gen_constrs): New variable.
3444 (parse_option): Parse "-c".
3445 (main): Invoke write_tm_constrs_h.
3446 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3447 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3448 (object_out_file): Add tm-constrs.h dependency.
3449 (insn-emit.o): Same.
3450 (insn-output.o): Same.
3451 (insn-peep.o): Same.
3452 (insn-preds.o): Same.
3453 (insn-recog.o): Same.
3454 (tm-constsr.h): New target.
3455 (s-constrs-h): New target.
3457 * config/rs6000/constraints.md: New file.
3458 * config/rs6000/rs6000.c: Include tm-constrs.h.
3459 (num_insn_constant_wide): Convert to satisfies_constraint.
3460 (rs6000_rtx_costs): Convert to satisfies_constraint.
3461 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3462 (CONST_OK_FOR_LETTER_P): Delete.
3463 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3464 (EXTRA_CONSTRAINT): Delete.
3465 (EXTRA_MEMORY_CONSTRAINT): Delete.
3466 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3467 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3468 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3469 satisfies_constraint.
3471 * config/i386/i386.c: Include tm-constrs.h.
3473 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3475 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3476 * tree-data-ref.c (find_data_references_in_loop,
3477 compute_data_dependences_for_loop): Use pointers to VEC.
3478 (analyze_all_data_dependences): Adjust calls.
3479 * tree-data-ref.h (find_data_references_in_loop,
3480 compute_data_dependences_for_loop): Adjust declarations.
3481 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3482 compute_data_dependences_for_loop.
3484 2006-03-29 Paul Brook <paul@codesourcery.com>
3486 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3489 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3491 PR tree-optimization/26859
3492 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3494 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3495 for the step after fold_convert.
3497 2006-03-29 Paul Brook <paul@codesourcery.com>
3499 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3500 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3502 2006-03-29 Paul Brook <paul@codesourcery.com>
3505 * targhooks.c (default_narrow_bitfield): New fuction.
3506 * targhooks.h (default_narrow_bitfield): add prototype.
3507 * target.h (gcc_target): Add narrow_volatile_bitfield.
3508 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3509 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3510 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3511 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3513 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3515 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3517 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3518 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3519 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3520 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3521 (s390_function_arg_float): Allow SDmode and DDmode values to be
3522 passed in floating point registers.
3523 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3524 check with SCALAR_FLOAT_MODE_P.
3525 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3527 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3529 PR tree-optimization/25985
3530 * tree-ssa-loop-niter.c (number_of_iterations_le,
3531 number_of_iterations_ne): Make comments more precise.
3532 (number_of_iterations_cond): Add only_exit argument. Use the
3533 fact that signed variables do not overflow only when only_exit
3535 (loop_only_exit_p): New.
3536 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3537 number_of_iterations_cond.
3539 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3541 PR tree-optimization/26643
3542 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3545 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3547 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3548 (divsi3_i4_int): Likewise.
3550 2006-03-28 Roger Sayle <roger@eyesopen.com>
3552 * expr.c (emit_group_store): Only create a new pseudo reg if the
3553 quantity it needs to hold isn't already a suitable pseudo.
3555 2006-03-28 Jeff Law <law@redhat.com>
3557 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3558 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3560 2006-03-28 Roger Sayle <roger@eyesopen.com>
3562 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3563 the equivalent ~X & Y, and the symmetry related transformations.
3564 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3565 ~X & Y, and symmetry related transforms.
3567 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3569 Revert my 2006-03-27 patches.
3571 2006-03-28 Roger Sayle <roger@eyesopen.com>
3573 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3574 ~(T1)X, when T1 and T2 are integer types of the same precision
3575 and (T2)X isn't an extension.
3577 2006-03-28 Jeff Law <law@redhat.com>
3579 PR tree-optimization/26796
3580 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3581 need EH edge cleanups rather than purging them immediately.
3582 (eliminate_degenerate_phis): Handle queued EH cleanups.
3584 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3586 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3589 2006-03-27 Roger Sayle <roger@eyesopen.com>
3592 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3593 cast BIT_NOT_EXPR operand to the correct type.
3595 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3597 * tree-loop-linear.c: Don't include varray.h.
3598 (gather_interchange_stats, try_interchange_loops,
3599 linear_transform_loops): Use VEC instead of VARRAY.
3600 * lambda-mat.c: Don't include varray.h.
3601 * tree-chrec.c: Same.
3602 * lambda-trans.c: Same.
3603 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3604 VEC instead of VARRAY.
3605 * tree-vectorizer.h: Idem.
3606 * tree-data-ref.c (dump_data_references,
3607 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3608 initialize_data_dependence_relation, finalize_ddr_dependent,
3609 compute_all_dependences, find_data_references_in_loop,
3610 compute_data_dependences_for_loop, analyze_all_data_dependences,
3611 free_dependence_relation, free_dependence_relations,
3612 free_data_refs): Idem.
3613 * tree-data-ref.h (data_reference_p, subscript_p): New.
3614 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3615 VEC instead of VARRAY.
3616 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3617 (find_data_references_in_loop, compute_data_dependences_for_loop,
3618 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3619 dump_data_dependence_relations, free_dependence_relations,
3620 free_data_refs): Adjust declaration.
3621 (lambda_transform_legal_p): Move declaration here...
3622 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3623 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3624 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3625 vect_analyze_data_refs): Use VEC instead of VARRAY.
3626 * lambda.h (lambda_transform_legal_p): ...from here.
3627 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3628 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3629 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3630 tree-chrec.o): Don't depend on VARRAY_H.
3632 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3634 * rtl.def (Copyright): Update date.
3635 (DEPS_LIST): Change type of the second operand to 'int'.
3636 * target.h (Copyright): Update date.
3637 (struct gcc_target.speculate_insn): Change type of the second parameter
3639 * lists.c (Copyright): Update date.
3640 (alloc_DEPS_LIST): Change signature. Update reference to the second
3641 operand of the DEPS_LIST.
3642 (copy_DEPS_LIST_list): Update reference to the second operand of the
3644 * rtl.h (Copyright): Update date.
3645 (alloc_DEPS_LIST): Update signature.
3646 * sched-int.h (Copyright): Update date.
3647 (ds_t): Change typedef to 'int'.
3648 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3650 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3652 * haifa-sched.c (Copyright): Update date.
3653 (try_ready): Change condition to restore non-speculative pattern
3655 (process_insn_depend_be_in_spec): Code to keep probability of the
3656 speculative dependence non-decreasing.
3658 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3660 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3661 shut up the compiler.
3663 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3665 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3666 to use lib prefix for target.
3667 ($(T)libic_invalidate_array_4-200.a): Likewise.
3668 ($(T)libic_invalidate_array_4a.a): Likewise.
3670 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3671 J"orn Rennecke <joern.rennecke@st.com>
3673 * superh.opt: New file.
3674 * sh.c (boardtype, osruntime): Remove.
3675 * superh.h (SUBTARGET_OPTIONS): Remove.
3676 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3678 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3679 arguments with ^ and/or [].
3681 * config.gcc (sh-*-*): Add quoting to account for quirk of
3683 Replace == with = in enable_incomplete_targets test.
3685 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3686 with MASK_LITTLE_ENDIAN.
3688 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3689 * config/sh/sh.opt: Added to some comments.
3690 * config/sh/superh.h: Removed some chaff.
3692 * config/sh/sh.opt: Add m4-[1234]00* options.
3693 * config/sh/sh.c (sh_handle_option): Likewise.
3694 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3695 (ic_invalidate_array_4-100.o): New rule.
3696 ($(T)libic_invalidate_array_4-100.a): Likewise.
3697 (ic_invalidate_array_4-200.o): Likewise.
3698 ($(T)libic_invalidate_array_4-200.a): Likewise.
3699 (ic_invalidate_array_4a.o): Likewise.
3700 ($(T)libic_invalidate_array_4a.a): Likewise.
3701 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3702 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3704 * config/sh/crt1.asm: Merged in profiling code.
3705 * config/sh/superh.h (STARTFILE_SPEC): Override.
3706 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3707 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3708 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3710 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3711 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3712 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3714 * sh.opt (mpretend-cmove): New option.
3715 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3716 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3717 (movsicc): Add TARGET_PRETEND_CMOVE code.
3719 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3721 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3722 s390_class_max_nregs): New function prototypes.
3723 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3724 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3725 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3726 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3728 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3730 * dwarf2out.c (add_location_or_const_value_attribute): Call
3731 tree_add_const_value_attribute if nothing else works.
3732 (reference_to_unused): New.
3733 (rtl_for_decl_init): Use reference_to_unused to decide whether
3734 to output an initializer.
3736 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3739 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3740 peephole removing spe frob_di_df_2.
3742 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3744 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3745 (subscript_dependence_tester_1): Declared.
3746 (print_dir_vectors, print_dist_vectors): New.
3747 (debug_data_dependence_relation): New.
3748 (dump_data_dependence_relation): Print more details.
3749 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3750 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3751 (save_dist_v, save_dir_v, add_outer_distances,
3752 build_classic_dist_vector_1): New.
3753 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3754 Don't test for lambda_vector_lexico_pos.
3755 (same_access_functions, add_multivariate_self_dist,
3756 add_other_self_distances, dir_from_dist): New.
3757 (build_classic_dir_vector): Replace implementation almost identical to
3758 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3760 (subscript_dependence_tester_1): New.
3761 (subscript_dependence_tester): Handle the lexicographically negative
3762 distance vectors by recomputing the dependence relation.
3763 (compute_affine_dependence): Remove parameter loop_nest_depth.
3764 (compute_self_dependence): Don't call compute_subscript_distance.
3765 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3766 Add a parameter for the loop_nest.
3767 (find_loop_nest_1, find_loop_nest): New.
3768 (compute_data_dependences_for_loop): Compute the loop nest, and give
3769 up if the nest is not well formed.
3770 * tree-data-ref.h (loop_p): New.
3771 (struct data_dependence_relation): Replace size_vect field with
3772 loop_nest, a vec of loops.
3773 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3774 (DDR_LOOP_NEST): New.
3775 (print_dir_vectors, print_dist_vectors,
3776 debug_data_dependence_relation): Declared.
3777 (index_in_loop_nest): New.
3778 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3779 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3782 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3784 * simplify-rtx.c (simplify_relational_operation): Call
3785 simplify_relational_operation_1 even if mode is VOIDmode.
3787 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3789 PR tree-optimization/26804
3790 * tree.h (DECL_CALL_CLOBBERED): New macro.
3791 (tree_decl_common): Add call_clobbered_flag.
3792 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3793 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3794 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3795 (mark_non_addressable): Ditto.
3796 * tree-ssa.c (verify_call_clobbered): New function.
3797 (verify_alias_info): Use it.
3798 * tree-pass.h (pass_reset_cc_flags): New prototype.
3799 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3800 (reset_cc_flags): New function.
3801 * passes.c (init_optimization_passes): Call reset_cc_flags after
3802 initializing referenced_vars.
3804 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3805 Roger Sayle <roger@eyesopen.com>
3808 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3809 to 1.0 for non-real operands. Implement A / A optimization for
3812 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3814 * config/i386/i386.c (size_cost): Correct the comment for
3815 cost of storing fp registers.
3816 (i386_cost): Likewise.
3817 (i486_cost): Likewise.
3818 (pentium_cost): Likewise.
3819 (pentiumpro_cost): Likewise.
3820 (k6_cost): Likewise.
3821 (athlon_cost): Likewise.
3822 (k8_cost): Likewise.
3823 (pentium4_cost): Likewise.
3824 (nocona_cost): Likewise.
3825 (generic64_cost): Likewise.
3826 (generic32_cost): Likewise.
3828 2006-03-24 Denis Chertykov <denisc@overta.ru>
3830 * config/avr/avr-protos.h (extra_constraint): Delete.
3831 (extra_constraint_Q): New declaration.
3832 * config/avr/constraints.md: New file.
3833 * config/avr/avr.md: Include it.
3834 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3835 (TMP_REGNO, ZERO_REGNO): Likewise.
3836 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3837 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3838 (extra_constraint): Delete.
3839 (extra_constraint_Q): Test for memory constraint 'Q'.
3840 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3841 (REG_CLASS_FROM_LETTER): Delete.
3842 (CONST_OK_FOR_LETTER_P): Delete.
3843 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3844 (EXTRA_CONSTRAINT): Delete.
3845 (TMP_REGNO): Delete.
3846 (ZERO_REGNO): Delete.
3848 2006-03-24 Jeff Law <law@redhat.com>
3850 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3851 directly. Call mark_new_vars_to_rename slightly earlier.
3853 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3855 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3857 (gen_compile_unit_die): Use new language types for Objective-C and
3859 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3860 DW_LANG_C_plus_plus.
3863 * config/t-darwin (crt3.o): Work around bug 26840.
3864 * config/darwin-crt3.c: Rewrite.
3865 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3867 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3869 * doc/invoke.texi: Document -femit-class-debug-always
3870 * common.opt: Add -femit-class-debug-always.
3872 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3874 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3875 index and base register.
3876 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3877 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3878 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3879 REGNO_OK_FOR_INDEX_P.
3880 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3882 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3883 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3884 REG_OK_FOR_BASE_P): Definitions removed.
3886 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3889 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3890 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3891 set yet or weren't marked as local yet.
3893 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3895 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3898 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3900 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3901 (rs6000_legitimate_small_data_p): Delete.
3902 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3903 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3904 and make static. Add forward declaration. Update uses.
3905 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3906 of offsettable_memref_p.
3907 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3908 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3910 2006-03-24 Jeff Law <law@redhat.com>
3912 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3913 around bug in immediate-use iterator.
3915 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3918 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3919 or __LITTLE_ENDIAN__.
3921 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3923 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3924 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3925 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3926 * config/sh/sh.opt (mdiv=): Amend description.
3927 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3928 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3929 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3930 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3931 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3932 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3933 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3934 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3935 TARGET_DIVIDE_CALL_FP.
3937 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3939 * haifa-sched.c (choose_ready): Fix type of the local variable.
3940 Move local variables. Add comment.
3941 (check_reg_live): Change signature. Make callable from debugger.
3942 * sched-int.h (check_reg_live): Update signature.
3943 * sched-ebb.c (check_reg_live): Update parameters.
3944 * sched-rgn.c (check_reg_live): Ditto.
3945 (region_head_or_leaf_p): Check pointer before dereferencing.
3946 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3947 before reload on optimization levels below 1.
3949 2006-03-23 Richard Henderson <rth@redhat.com>
3951 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3955 * config/alpha/predicates.md (local_symbolic_operand): Reject
3958 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3961 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3962 expressions which have overflowed constants.
3964 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3966 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3968 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3970 * cfgloopmanip.c (create_loop_notes): Removed.
3971 * final.c (final_scan_insn): Do not handle loop notes.
3972 * jump.c (squeeze_notes): Ditto.
3973 * cfglayout.c (skip_insns_after_block,
3974 duplicate_insn_chain): Ditto.
3975 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3977 * cfgloop.h (create_loop_notes): Declaration removed.
3979 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3981 * varasm.c (output_constant_pool): Restore fnname and fndecl
3983 (assemble_start_function): Adjust call accordingly.
3984 (assemble_end_function): Likewise.
3986 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3989 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3992 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3994 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3997 * system.h (ICE_EXIT_CODE): New macro.
3998 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3999 (diagnostic_action_after_output): Likewise.
4000 * gcc.c (fatal_ice): New function.
4001 (execute): Use it instead of fatal.
4002 (fancy_abort): Likewise.
4003 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4005 2006-03-22 Jeff Law <law@redhat.com>
4007 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4008 iv_analyze_result returning false.
4010 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4012 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4014 2006-03-22 Richard Henderson <rth@redhat.com>
4017 * except.c (duplicate_eh_regions_0): New.
4018 (duplicate_eh_region_1): Duplicate the children of the node as
4019 well as the node itself. Link them up properly.
4020 (duplicate_eh_region_2): Merge into ...
4021 (duplicate_eh_regions): ... here. Take copy_region argument, and
4022 copy only a sub-tree if asked. Simplify copying and fixup.
4023 (eh_region_outer_p): New.
4024 * except.h (duplicate_eh_regions): Update decl.
4025 (eh_region_outer_p): Declare.
4026 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4027 (lower_omp_master): Likewise.
4028 (lower_omp_ordered): Likewise.
4029 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4030 (move_stmt_r): Use it to remap labels. Handle recursion vs
4031 remap_decls_p properly.
4032 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4033 (find_outermost_region_in_block): New.
4034 (new_label_mapper): New.
4035 (move_sese_region_to_fn): Copy eh information to the new function
4037 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4039 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4042 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4044 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4045 into shared libraries.
4047 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4049 * doc/md.texi: Refer to i386/constraints.md instead of
4051 * config/i386/constraints.md: New file, extracted from...
4052 * config/i386/predicates.md: ...here.
4053 * config/i386/i386.md: Include constraints.md.
4055 2006-03-21 Jason Merrill <jason@redhat.com>
4057 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4060 * expr.c (init_block_move_fn): Force default visibility.
4061 (init_block_clear_fn): Likewise.
4062 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4063 * targhooks.c (default_external_stack_protect_fail): Likewise.
4065 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4067 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4068 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4069 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4070 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4071 (loadgp): Use mips_current_loadgp_style.
4072 (loadgp_noshared): New pattern.
4073 (sibcall_internal): Use MIPS_CALL.
4074 (sibcall_value_internal): Likewise.
4075 (sibcall_value_multiple_internal): Likewise.
4076 (call_internal): Likewise.
4077 (call_value_internal): Likewise.
4078 (call_value_multiple_internal): Likewise.
4079 (call_split): Use MIPS_CALL and add an 'S' constraint.
4080 (call_value_split): Likewise.
4081 (call_value_multiple_split): Likewise.
4082 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4083 (-mshared): New option.
4084 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4085 (mips_current_loadgp_style): Declare.
4086 * config/mips/mips.c (mips_classify_symbol): Avoid using
4087 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4088 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4089 TARGET_ABSOLUTE_ABICALLS.
4090 (override_options): Adjust comments. Improve the warning that is
4091 issued when -mabicalls and -G are used together.
4092 (mips_file_start): Remove comment.
4093 (mips_current_loadgp_style): New function.
4094 (mips_gnu_local_gp): New variable.
4095 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4097 (mips_output_function_prologue): Use mips_current_laodgp_style.
4098 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4099 the cprestore instruction.
4100 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4101 live for TARGET_ABSOLUTE_ABICALLS.
4102 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4103 (ASM_SPEC): Pass down -mshared and -mno-shared.
4104 (MIPS_CALL): New macro.
4105 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4107 * doc/invoke.texi (-mabicalls): Update documentation.
4108 (-mshared): Document.
4110 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4112 * config/ia64/unwind-hpux.c: New file.
4113 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4115 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4118 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4120 2006-03-21 Jeff Law <law@redhat.com>
4122 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4123 type conversions of a VR_VARYING source to a wider type.
4125 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4127 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4128 tm_file on Solaris 10 and later.
4129 (sparc64-*-solaris2*): Likewise.
4130 (sparc-*-solaris2*): Likewise.
4131 * config/sol26.h: Rename to config/sol2-6.h.
4132 * config/sol2-10.h: New file.
4134 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4137 * tree-ssa-pre.c (create_component_ref_by_pieces):
4140 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4143 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4144 return it immediately.
4146 2006-03-21 Michael Matz <matz@suse.de>
4148 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4150 (remove_arc, add_arc): Update num_out_arcs member.
4151 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4153 (cache_presence): New function.
4154 (compare_states_for_equiv): New function.
4155 (state_is_differed): Don't take number of outargs, adjust callers.
4156 Use new invariant for speeding up.
4157 (init_equiv_class): Create initial classes based on sorted
4159 (partition_equiv_class): Don't track out_arcs_num.
4160 (evaluate_equiv_classes): Call cache_presence on all states and
4163 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4165 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4166 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4167 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4168 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4170 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4171 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4172 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4173 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4174 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4176 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4177 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4178 (REGNO_REG_CLASS): ARGP is in PREGS.
4179 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4181 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4182 to deal with those addresses.
4183 * addresses.h: New file.
4184 * caller-save.c: Include "addresses.h".
4185 (init_caller_save): Use new base_reg_class function.
4186 * rtl-factoring.c: Include "addresses.h".
4187 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4188 * recog.c: Include "addresses.h".
4189 (preprocess_constraints): Use new base_reg_class function.
4190 * regrename.c: Include "addresses.h".
4191 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4192 functions. Keep track of a new var INDEX_CODE to compute valid
4194 (replace_oldest_value_addr): Likewise.
4195 (replace_oldest_value_mem): Use base_reg_class.
4196 * reload.c: Include "addresses.h".
4197 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4198 (find_reloads): Use new base_reg_class function.
4199 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4200 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4201 all callers and prototype changed.
4202 * reload1.c: Include "addresses.h".
4203 (maybe_fix_stack_asms): Use base_reg_class.
4204 * regclass.c: Include "addresses.h".
4205 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4206 (init_reg_autoinc): Use new base_reg_class function.
4207 (record_reg_classes): Likewise.
4208 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4209 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4210 Use new args to compute necessary class.
4212 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4213 regrename.o, rtl-factoring.o): Update dependencies.
4214 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4215 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4216 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4217 REG_OK_FOR_INDEX_P): Delete documentation.
4219 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4221 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4222 from V7 to V9 for Solaris 7 and above.
4224 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4226 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4227 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4228 argument pointers may not alias any other storage.
4229 * common.opt: Define option -fargument-noalias-anything.
4230 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4231 alias semantics is specified by flag_argument_noalias > 2.
4233 2006-03-20 Jeff Law <law@redhat.com>
4235 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4236 (pass_phi_only_cprop): Declare.
4237 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4239 * tree-ssa-dom.c (degenerate_phi_result): New function.
4240 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4241 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4242 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4243 (eliminate_degenerate_phis): Likewise.
4244 (pass_phi_only_cprop): New pass descriptor.
4245 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4246 support code. Callers updated.
4247 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4248 (store_copy_prop): Likewise.
4249 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4251 2006-03-20 Jason Merrill <jason@redhat.com>
4254 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4255 (push_visibility, pop_visibility): Likewise.
4256 * c-pragma.h: Declare them.
4258 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4260 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4262 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4263 parameter and use get_ebb_head_tail.
4264 (sh_md_init_global): Adjust uses of find_regmode_weight.
4266 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4268 * function.h (struct function) <x_tail_recursion_reentry>:
4269 Rename to x_stack_check_probe_note.
4270 (tail_recursion_reentry): Rename to stack_check_probe_note.
4271 * function.c: Replace tail_recursion_reentry with
4272 stack_check_probe_note everywhere.
4273 (expand_function_start): Only emit a note for
4274 stack_check_probe_note with -fstack-protect.
4275 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4277 * emit-rtl.c (remove_unnecessary_notes): Remove.
4278 (pass_remove_unnecessary_notes): Remove.
4279 * rtl.h (remove_unnecessary_notes): Remove prototype.
4280 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4281 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4282 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4284 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4287 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4288 (valid_in_set): Handle ARRAY_REF.
4289 Change "if min_variant or VH" to asserts.
4290 (create_component_ref_by_pieces): Handle ARRAY_REF.
4291 (create_expression_by_pieces): Likewise.
4292 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4294 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4296 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4297 is operand of switch, not str[0].
4299 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4301 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4302 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4304 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4306 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4307 end of insn_extra_address_constraint declaration.
4309 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4311 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4312 (no-sum-in-toc): Same.
4313 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4315 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4316 NO_FP_IN_TOC for -fPIC instead of mask.
4318 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4319 (BOOT_LDFLAGS): Delete.
4321 * config/rs6000/t-aix52: Same.
4323 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4324 (stmsi[345678]_power): New.
4326 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4328 * config/ia64/ia64.opt: Add empty line to end of file.
4330 2006-03-17 Richard Guenther <rguenther@suse.de>
4333 * builtins.c (get_pointer_alignment): For component style references
4334 adjust alignment to the component type alignment. Make sure
4335 to adjust alignment for component access of constants.
4337 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4339 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4342 2006-03-17 Paul Brook <paul@codesourcery.com>
4344 * doc/install.texi: Docuemnt --with-mode.
4345 * config.gcc: Add --with-mode for arm*-*-*.
4346 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4348 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4350 * sh.c (max_labelno_before_reorg): New variable.
4351 (sh_reorg): Initialize it.
4352 (find_barrier): Check max_labelno_before_reorg before using
4353 label_to_alignment. Take length of explicit alignment insns
4354 into account. When seeing a UNSPECV_CONST_END, return it.
4356 * sh.c (fixup_mova): Set mode of affected label to QImode.
4357 (untangle_mova): New function.
4358 (find_barrier): Use it. Check mode of label before decrementing
4360 (sh_reorg): Likewise.
4361 Set mode of all insns back to VOIDmode.
4363 * sh.c (MOVA_LABELREF): New macro.
4364 (mova_p, fixup_mova, sh_reorg): Use it.
4365 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4366 ADDR_DIFF_VEC matches mova.
4368 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4370 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4371 with ATTRIBUTE_UNUSED.
4373 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4375 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4376 pointer, instead of assuming it is possible to derive the
4377 correct args size from a call insn.
4379 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4381 * rtl.h (CONST_INT_P): Define.
4382 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4383 instead of GET_CODE(x) == CONST_INT.
4384 (vax_rtx_costs): Likewise.
4385 (vax_output_int_move): Likewise.
4386 (vax_output_int_add): Likewise.
4387 (legitimate_constant_address_p): Likewise.
4388 (index_term_p): Likewise.
4389 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4390 * config/vax/vax.md (and<mode>3): Likewise.
4391 (ashrsi3): Likewise.
4393 (movstricthi): Likewise.
4394 (movstrictqi): Likewise.
4395 (rotrsi3): Likewise.
4396 (five unnamed insns): Likewise.
4398 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4400 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4401 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4402 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4403 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4404 Pass to ASM_OUTPUT_DWARF_OFFSET.
4405 * dwarf2out.c (debug_frame_section): New.
4406 (output_call_frame_info): Use debug_frame_section. Pass it to
4407 dw2_asm_output_offset.
4408 (output_die): Pass appropriate section to dw2_asm_output_offset.
4409 (output_compilation_unit_header): Likewise.
4410 (output_pubnames): Likewise.
4411 (output_aranges): Likewise.
4412 (enum dw_val_class): Break dw_val_class_lbl_offset into
4413 dw_val_class_lineptr and dw_val_class_macptr.
4414 (add_AT_lbl_offset): Delete.
4415 (add_AT_lineptr): New.
4416 (add_AT_macptr): New.
4417 (AT_lbl): Expect a lineptr or macptr.
4418 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4419 (attr_checksum): Likewise.
4420 (same_dw_val_p): Likewise.
4421 (size_of_die): Likewise.
4422 (value_format): Likewise.
4423 (output_die): Likewise.
4424 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4426 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4427 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4428 * config/darwin-protos.h (darwin_file_start): New.
4429 (darwin_asm_output_dwarf_offset): New.
4430 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4431 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4433 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4434 if not EH section; simplify.
4435 (darwin_file_start): New.
4436 (darwin_asm_output_dwarf_offset): New.
4437 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4439 (DEBUG_INFO_SECTION): Likewise.
4440 (DEBUG_ABBREV_SECTION): Likewise.
4441 (DEBUG_ARANGES_SECTION): Likewise.
4442 (DEBUG_MACINFO_SECTION): Likewise.
4443 (DEBUG_LINE_SECTION): Likewise.
4444 (DEBUG_LOC_SECTION): Likewise.
4445 (DEBUG_PUBNAMES_SECTION): Likewise.
4446 (DEBUG_STR_SECTION): Likewise.
4447 (DEBUG_RANGES_SECTION): Likewise.
4448 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4449 (ASM_OUTPUT_DWARF_OFFSET): New.
4451 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4453 * config.gcc (tm_defines): Always add to previous value rather
4456 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4458 * config/mips/predicates.md (splittable_const_int_operand): New,
4459 split from move_operand.
4460 (splittable_symbolic_operand): New.
4461 (move_operand): Add commentary. Use splittable_const_int_operand.
4462 Inline mips_atomic_symbolic_constant_p.
4463 * config/mips/mips.md: Add combine splitters for handling moves
4464 of splittable_const_int_operands and splittable_symbolic_operands.
4465 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4466 (mips_split_symbol): Declare.
4467 (mips_move_integer): Declare.
4468 * config/mips/mips.c (mips_split_p): Make global.
4469 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4470 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4471 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4472 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4473 (mips_offset_within_object_p): Handle block symbols.
4474 (mips_atomic_symbolic_constant_p): Delete.
4475 (mips_cannot_force_const_mem): Return false for constants that
4476 mips_legitimize_move can handle.
4477 (mips_use_blocks_for_constant_p): New function.
4478 (mips_split_symbol): Make global.
4479 (mips_move_integer): Likewise. Add a temporary register argument.
4480 (mips_legitimize_const_move): Use splittable_const_int_operand and
4481 splittable_symbolic_operand.
4482 (mips_use_anchors_for_symbol_p): New function.
4483 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4484 (mips_split_p): Declare.
4486 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4488 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4489 (mips*-*-linux*): Likewise.
4491 2006-03-16 Roger Sayle <roger@eyesopen.com>
4492 Daniel Speyer <dspeyer@wam.umd.edu>
4495 * tree-dump.c (dump_real): New function.
4496 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4497 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4498 (tree-dump.o): Add $(REAL_H) to the dependencies.
4500 2006-03-16 Roger Sayle <roger@eyesopen.com>
4503 * real.c (real_from_string): If the mantissa is zero, don't bother
4504 parsing the exponent as the result should always be zero.
4506 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4508 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4510 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4512 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4513 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4514 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4515 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4516 ia64_sched_finish_global): New static functions to implement
4517 hooks from gcc_target.sched.
4518 (spec_check_no, max_uid, pending_data_specs): New static variables.
4519 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4520 ia64_spec_check_src_p): New static functions.
4521 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4522 (TARGET_SCHED_ADJUST_COST): Removed.
4523 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4524 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4525 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4526 TARGET_SCHED_GEN_CHECK,
4527 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4528 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4529 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4530 Fixed to handle speculation checks.
4531 (rtx_needs_barrier): Fixed to handle speculative loads and
4533 (ia64_variable_issue): Added code to count speculative loads and their
4535 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4537 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4539 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4541 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4542 (ia64_reorg): Reset stops_p to NULL after it is freed.
4543 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4544 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4545 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4547 (data_speculative, control_speculative, check_load): New attributes.
4548 (mov<mode>_advanced, mov<mode>_speculative,
4549 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4550 zero_extend<mode>di2_speculative,
4551 zero_extend<mode>di2_speculative_advanced): New patterns for
4552 data and control speculative loads.
4553 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4555 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4556 New pattern for data and control speculation checks.
4557 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4558 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4559 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4560 Auxiliary definitions for the patterns.
4561 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4562 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4564 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4566 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4567 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4568 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4569 New resource constraints.
4570 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4572 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4573 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4574 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4575 msched-in-control-spec, msched-ldc, msched-control-ldc,
4576 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4577 msched-prefer-non-control-spec-insns,
4578 msched-count-spec-in-critical-path): New flags to tune speculative
4580 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4581 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4582 msched-in-control-spec, msched-ldc, msched-control-ldc,
4583 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4584 msched-prefer-non-control-spec-insns,
4585 msched-count-spec-in-critical-path): Document new flags.
4587 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4589 * target.h (struct spec_info_def): New opaque declaration.
4590 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4591 speculate_insn, needs_block_p, gen_check,
4592 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4593 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4594 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4595 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4596 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4597 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4599 (TARGET_SCHED): Use new macros.
4600 * rtl.h (copy_DEPS_LIST_list): New prototype.
4601 * sched-int.h (struct sched_info): Change signature of new_ready field,
4602 adjust all initializations. New fields: add_remove_insn,
4603 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4604 region_head_or_leaf_p.
4605 (struct spec_info_def): New structure declaration.
4606 (spec_info_t): New typedef.
4607 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4608 recovery_block, orig_pat.
4609 (glat_start, glat_end): New variables declaraions.
4610 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4612 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4613 DETACH_LIFE_INFO, USE_GLAT.
4614 (enum SPEC_SCHED_FLAGS): New enumeration.
4615 (NOTE_NOTE_BB_P): New macro.
4616 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4617 attach_life_info, debug_spec_status, check_reg_live): New functions.
4618 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4619 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4621 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4622 * ddg.c (get_block_head_tail): Adjust all uses.
4623 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4624 (sms_sched_info): Initialize new fields.
4625 (contributes_to_priority): Removed.
4626 * haifa-sched.c (params.h): New include.
4627 (get_block_head_tail): Adjust all uses.
4628 (ISSUE_POINTS): New macro.
4629 (glat_start, glat_end): New global variables.
4630 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4631 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4632 old_last_basic_block, before_recovery, current_sched_info_var,
4633 rgn_n_insns, luid): New static variables.
4634 (insn_cost1): New function. Move logic from insn_cost to here.
4635 (find_insn_reg_weight1): New function. Move logic from
4636 find_insn_reg_weight to here.
4637 (reemit_notes, move_insn, max_issue): Change signature.
4638 (move_insn1): Removed.
4639 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4640 extend_bb): New static functions to support extension of scheduler's
4642 (generate_recovery_code, process_insn_depend_be_in_spec,
4643 begin_speculative_block, add_to_speculative_block,
4644 init_before_recovery, create_recovery_block, create_check_block_twin,
4645 fix_recovery_deps): New static functions to support
4646 generation of recovery code.
4647 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4648 restore_bb_notes, move_block_after_check, move_succs): New static
4649 functions to support ebb scheduling.
4650 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4651 functions to support handling of register live information.
4652 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4653 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4654 add_jump_dependencies): New static functions.
4655 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4656 consistancy checking.
4657 (debug_spec_status): New function to call from debugger.
4658 (priority): Added code to handle speculation checks.
4659 (rank_for_schedule): Added code to distinguish speculative instructions.
4660 (schedule_insn): Added code to handle speculation checks.
4661 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4662 Fixed to handle ebbs.
4663 (move_insn): Added code to handle ebb scheduling.
4664 (max_issue): Added code to use ISSUE_POINTS of instructions.
4665 (choose_ready): Added code to choose between speculative and
4666 non-speculative instructions.
4667 (schedule_block): Added code to handle ebb scheduling and scheduling of
4668 speculative instructions.
4669 (sched_init): Initialize new variables.
4670 (sched_finish): Free new variables. Print statistics.
4671 (try_ready): Added code to handle speculative instructions.
4672 * lists.c (copy_DEPS_LIST_list): New function.
4673 * sched-deps.c (extend_dependency_caches): New function. Move logic
4674 from create_dependency_caches to here.
4675 (get_dep_weak, ds_merge): Make global.
4676 * genattr.c (main): Code to output prototype for
4677 dfa_clear_single_insn_cache.
4678 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4679 (output_dfa_clean_insn_cache_func): Code to output
4680 dfa_clear_single_insn_cache function.
4681 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4683 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4685 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4686 New static variables.
4687 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4688 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4690 (ebb_sched_info): Initialize new fields.
4691 (get_block_head_tail): Adjust all uses.
4692 (compute_jump_reg_dependencies): Fixed to use glat_start.
4693 (schedule_ebb): Code to remove unreachable last block.
4694 (schedule_ebbs): Added code to update register live information.
4695 * sched-rgn.c (region_sched_info): Initialize new fields.
4696 (get_block_head_tail): Adjust all uses.
4697 (last_was_jump): Removed. Adjust users.
4698 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4699 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4700 Implement new hooks.
4701 (check_dead_notes1): New static function.
4702 (struct region): New fields: dont_calc_deps, has_real_ebb.
4703 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4704 (BB_TO_BLOCK): Fixed to handle EBBs.
4705 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4706 (ebb_head): New static variable.
4707 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4708 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4710 (compute_dom_prob_ps): New assertion.
4711 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4712 global_live_at_start.
4713 (init_ready_list): New assertions.
4714 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4715 (new_ready): Add support for BEGIN_CONTROL speculation.
4716 (schedule_insns): Fixed code that updates register live information
4718 (schedule_region): Fixed to handle EBBs.
4719 (init_regions): Use extend_regions and check_dead_notes1.
4720 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4721 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4722 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4723 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4724 TARGET_SCHED_GEN_CHECK,
4725 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4726 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4727 * doc/invoke.texi (max-sched-insn-conflict-delay,
4728 sched-spec-prob-cutoff): Document.
4730 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4732 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4733 inter_tick, queue_index.
4734 (struct sched_info): Change signature of init_ready_list field.
4735 Adjust all initializations.
4736 (RESOLVED_DEPS): New access macro.
4737 (ready_add): Remove prototype.
4738 (try_ready): Add prototype.
4739 * sched-rgn.c (init_ready_list): Use try_ready.
4740 (schedule_region): Initialize
4741 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4742 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4743 (init_ready_list): Use try_ready.
4744 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4745 * lists.c (remove_list_elem): Remove `static'.
4746 (remove_free_INSN_LIST_elem): New function.
4747 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4748 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4749 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4751 (readyp): New variable.
4752 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4753 change_queue_index, resolve_dep): New static functions.
4754 (try_ready): New function. Adjust callers in sched-rgn.c and
4755 sched-ebb.c to use it instead of ready_add.
4756 (clock_var): Move at the begining of file.
4757 (rank_for_schedule): Fix typo.
4758 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4759 (ready_lastpos): Enforce assertion.
4760 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4762 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4763 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4764 (queue_to_ready): Use free_INSN_LIST_list.
4765 (early_queue_to_ready): Fix typo.
4766 (schedule_block): Init readyp. Move init_ready_list call after the
4767 initialization of clock_var. Fix error in rejecting insn by
4768 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4769 that previously corrected INSN_TICKs. Add code for handling
4771 (set_priorities): Fix typo.
4772 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4773 Clarify comment and code that keeps current_sched_info->next_tail
4776 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4778 * sched-rgn.c (extend_rgns): New static function.
4779 (find_rgns): Use it.
4780 (gather_region_statistics, print_region_statistics): New static
4782 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4783 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4785 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4786 Andrey Belevantsev <abel@ispras.ru>
4788 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4789 * lists.c (unused_deps_list): New variable.
4790 (free_list): Add assertions to verify the proper distinguishing
4791 between INSN_LISTs and DEPS_LISTs.
4792 (find_list_elem, remove_list_elem, remove_list_node): New static
4794 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4795 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4796 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4797 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4799 (free_INSN_LIST_node): Likewise.
4800 * modulo-sched.c (current_sched_info): Initialize flags field.
4801 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4802 * rtl.def (DEPS_LIST): Define.
4803 * rtl.h: Declare new functions from lists.c.
4804 * sched-deps.c (spec_dependency_cache): New static variable.
4805 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4806 (add_dependence): Change return type to void. Move the logic to ...
4807 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4808 (delete_all_dependences): Add comment about forward_dependency_cache.
4809 Handle spec_dependency_cache. Handle DEPS_LISTs.
4810 (fixup_sched_groups): Clarify the change of priority of output
4811 and anti dependencies.
4812 (sched_analyze_2): Adjust add_dependence calls to create data
4813 speculative dependence.
4814 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4815 Adjust all callers. Handle DEPS_LISTS.
4816 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4817 presence of speculation.
4818 (init_dependency_caches, free_dependency_caches):
4819 Handle spec_dependency_cache.
4820 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4821 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4822 New static functions.
4823 (add_or_update_back_dep, add_or_update_back_forw_dep,
4824 add_back_forw_dep, delete_back_forw_dep): New functions.
4825 * sched-int.h (ds_t, dw_t): New typedefs.
4826 (struct sched_info): Add new field flags.
4827 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4828 Prototype new sched-deps.c functions.
4829 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4830 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4831 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4832 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4833 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4834 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4836 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4838 * sched-rgn.c (current_sched_info): Initialize flags field.
4839 (schedule_insns): Initialize current_sched_info before the sched_init
4841 * sched-ebb.c (current_sched_info): Initialize flags field.
4842 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4843 Call add_or_update_back_dep instead of add_dependence.
4844 Create control speculative dependencies.
4845 (schedule_insns): Initialize current_sched_info before the sched_init
4848 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4850 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4852 (sh_fallback_frame_state): Likewise.
4854 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4856 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4857 Do switch on default_use_cxa_atexit.
4858 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4859 * config/darwin-crt3.o: New.
4860 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4861 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4862 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4864 * config/rs6000/t-darwin: Move crt2.o building to here.
4865 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4866 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4869 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4871 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4872 from '! xxx' to '!xxx' for coding-style conformance.
4873 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4874 (EXTRA_CONSTRAINT): Likewise.
4875 * config/vax/vax.md (four unnamed insns): Likewise.
4877 2006-03-15 Paul Brook <paul@codesourcery.com>
4879 * config/arm/arm.c (minipool_pad): New.
4880 (add_minipool_forward_ref): Include pool alignment padding in address
4882 (push_minipool_fix): Set minipool_pad.
4883 (minipool_pad): Ditto.
4885 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4887 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4888 instead of GET_CODE() == MEM and REG_P() instead of
4890 (print_operand_address): Likewise.
4891 (vax_address_cost): Likewise.
4892 (vax_rtx_costs): Likewise.
4893 (vax_notice_update_cc): Likewise.
4894 (vax_output_int_add): Likewise.
4895 (INDEX_REGISTER_P): Likewise.
4896 (BASE_REGISTER_P): Likewise.
4897 (nonindexed_address_p): Likewise.
4898 (vax_mode_dependent_address_p): Likewise.
4899 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4900 (PRINT_OPERAND): Likewise.
4901 * config/vax/vax.md (ashlsi3): Likewise.
4902 (ashlsi3): Likewise.
4903 (some more unnamed insns): Likewise.
4905 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4907 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4908 iterator-style macro.
4909 (mark_control_dependent_edges_necessary): Update the use of
4910 EXECUTE_IF_CONTROL_DEPENDENT.
4912 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4914 * config/sh/predicates.md (cache_address_operand): Special.
4915 (ua_address_operand): Likewise.
4917 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4919 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4921 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4923 2006-03-15 Andreas Schwab <schwab@suse.de>
4925 * gensupport.c (identify_predicable_attribute): Don't free p_false
4926 when it is still in use.
4928 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4930 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4931 the default setting here.
4933 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4935 * tree-pass.h (pass_cfg): Remove.
4936 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4937 * passes.c (pass_cfg): Don't run it.
4939 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4941 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4942 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4944 (stack_regs_mentioned): Update the uses of
4945 stack_regs_mentioned_data. Don't access the array beyond its
4947 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4948 Don't include gt-reg-stack.h.
4950 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4951 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4953 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4956 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4959 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4961 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4963 2006-03-14 Richard Guenther <rguenther@suse.de>
4965 PR tree-optimization/26672
4966 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4969 2006-03-14 Richard Guenther <rguenther@suse.de>
4971 PR tree-optimization/26667
4972 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4973 node for the callees. Always allow inlining if it will shrink
4976 2006-03-14 Richard Guenther <rguenther@suse.de>
4979 * builtins.c (get_pointer_alignment): Prefer alignment
4980 information from decls over that from types.
4982 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4985 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4987 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4989 * config/rs6000/rs6000.opt (mdlmzb): New option.
4990 (msched-prolog, msched-epilog): Use Var not Mask.
4991 * doc/invoke.texi (-mdlmzb): Document.
4992 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4994 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4995 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4997 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4999 PR rtl-optimization/25739
5000 * bt-load.c (augment_live_range): Free tos pointer.
5002 * gensupport.c (identify_predicable_attribute): Free
5004 * gcov.c (create_file_names): Free name pointer.
5006 2006-03-13 Roger Sayle <roger@eyesopen.com>
5009 * stmt.c (emit_case_nodes): Handle the case where the index is a
5010 CONST_INT, where the comparison mode is specified by the index type.
5012 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5014 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5017 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5019 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5020 (*branch_fp_inverted): Likewise.
5022 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5025 * omp-low.c (expand_omp_for_generic): Mark istart0
5026 and iend0 as addressable.
5028 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5030 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5032 2006-03-13 Jeff Law <law@redhat.com>
5034 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5035 virtual operands are interesting.
5036 (vrp_visit_stmt): Corresponding changes.
5038 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5040 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5042 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5043 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5044 * config/bfin/crti.S: Use it instead of __PIC__.
5045 * config/bfin/crtn.S: Likewise.
5047 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5048 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5050 Lose 'G' modifier for call operand.
5051 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5052 recognize 'G' modifier.
5054 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5057 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5058 * stmt.c (expand_case): Likewise.
5060 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5062 PR rtl-optimization/26254
5063 * loop-invariant.c (seq_insns_valid_p): New function.
5064 (move_invariant_reg): Only emit new code if it is valid.
5066 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5068 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5070 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5071 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5072 (commit_one_edge_insertion): Do not look for loop notes.
5074 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5076 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5077 flag_test_coverage out of loop.
5079 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5081 * final.c (shorten_branches): Remove outdated comment, and turn
5082 the if branch that guards it to continue.
5084 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5086 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5087 * cfgloop.h (struct loop): Remove unused fields.
5089 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5091 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5092 (-dL, -fdump-rtl-loop2): Update the dump file names
5094 * doc/invoke.texi: Update dump file names.
5096 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5098 * predict.c (estimate_probability): Remove.
5099 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5100 * basic-block.h (estimate_probability): Remove prototype.
5101 * passes.c (finish_optimization_passes): Dump branch prediction or
5102 profiling heuristics to the .profile tree dump.
5103 (init_optimization_passes): Unqueue pass_branch_prob.
5105 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5107 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5109 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5110 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5112 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5114 * function.h (frame_offset_overflow): Declare.
5115 * function.c (frame_offset_overflow): New function.
5116 (assign_stack_local_1): Call it to detect that the offset overflows.
5117 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5119 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5121 * config/sh/sh.c: Include alloc-pool.h.
5122 (label_ref_list_pool): New alloc pool.
5123 (label_ref_list_t): New type for lists of labels.
5124 (struct pool_node): Make wend a label_ref_list_t.
5125 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5127 (dump_table): Likewise.
5128 (sh_reorg): Set up the alloc pool before using add_constant and
5129 dump_table, and destroy it when finishing.
5131 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5133 * config/mips/mips.c: Remove redundant comment.
5135 2006-03-10 Jason Merrill <jason@redhat.com>
5138 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5139 the target was declared 'register'.
5141 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5143 * genpreds.c (write_insn_constraint_len): Change definition of
5144 insn_constraint_len to return size_t to match the declaration.
5146 2006-03-10 DJ Delorie <dj@redhat.com>
5148 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5150 (m32c_expand_insv): Fix test for an AND mask.
5152 2006-03-10 Richard Guenther <rguenther@suse.de>
5155 * builtins.c (get_pointer_alignment): Handle component
5156 references for field alignment.
5158 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5160 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5161 when building with libgloss.
5162 (sh*elf): Implement --without-fp option.
5163 (sh64-superh-linux*): Don't multilib.
5165 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5167 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5169 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5171 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5172 Set it when one of the replacement functions returned true.
5173 Return TODO_cleanup_cfg if cfgchanged is true.
5174 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5176 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5178 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5179 instead of gen_lowpart.
5181 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5183 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5185 (mips_output_order_conditional_branch): Declare.
5186 * config/mips/mips.h (MIPS_BRANCH): New macro.
5187 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5188 for the comparison. Use gen_condjump.
5189 (mips_output_conditional_branch): Rework interface to take the
5190 asm templates for a direct branch and the inverse of a direct branch.
5191 (mips_output_order_conditional_branch): New function.
5192 (mips_builtin_branch_and_move): New function.
5193 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5194 branch condition. Use gen_single_cc as the condition for
5195 __builtin_mips_upper_* or __builtin_mips_lower_*.
5196 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5197 Use VOIDmode for the branch condition.
5198 * config/mips/predicates.md (order_operator): New predicate.
5199 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5200 (branch_fp): Rename to...
5201 (*branch_fp): ...this. Remove mode from comparison operator.
5202 Use new mips_output_conditional_branch interface.
5203 (branch_fp_inverted): Rename to...
5204 (*branch_fp_inverted): ...this and update as for *branch_fp.
5205 (*branch_zero<mode>): Rename to...
5206 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5207 Use mips_output_order_conditional_branch. Only accept ordered
5209 (*branch_zero<mode>_inverted): Rename to...
5210 (*branch_order<mode>_inverted): ...this and update as for
5211 *branch_order<mode>.
5212 (*branch_equality<mode>): Accept zero as the second operand to
5213 the equality operator. Use the new mips_output_conditional_branch
5215 (*branch_equality<mode>_inverted): Likewise.
5216 (condjump): New expander.
5217 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5219 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5220 (bc1any2t, bc1any2f): Likewise.
5221 (single_cc): New expander.
5222 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5224 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5226 * doc/md.texi: Update documentation of MIPS constraints.
5227 * config/mips/constraints.md: New file.
5228 * config/mips/mips.md: Include it.
5229 * config/mips/mips.c (mips_char_to_class): Delete.
5230 (override_options): Don't initialize mips_char_to_class.
5231 * config/mips/mips.h (mips_char_to_class): Delete.
5232 (REG_CLASS_FROM_LETTER): Delete.
5233 (CONST_OK_FOR_LETTER_P): Delete.
5234 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5235 (EXTRA_CONSTRAINT_Y): Delete.
5236 (EXTRA_CONSTRAINT_STR): Delete.
5237 (CONSTRAINT_LEN): Delete.
5238 (EXTRA_MEMORY_CONSTRAINT): Delete.
5240 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5242 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5243 original fn's eh regions.
5245 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5247 * fold-const.c (build_range_check): Make sure to use a valid type to
5248 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5251 (range_predecessor): New static function.
5252 (range_successor): Likewise.
5253 (merge_ranges): Use them to compute predecessors and successors of
5256 2006-03-09 Roger Sayle <roger@eyesopen.com>
5259 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5260 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5262 2006-03-08 DJ Delorie <dj@redhat.com>
5264 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5265 (addpsi3): Expand to include memory operands. Remove
5266 reload-specific splits.
5267 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5268 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5269 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5270 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5271 (shift1_qi, shift1_hi, insv): New.
5272 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5273 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5274 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5276 * config/m32c/m32c-protos.h: Update as needed.
5277 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5278 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5279 Fail for unrecognized R* constraints.
5280 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5281 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5282 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5284 (m32c_init_libfuncs): New.
5285 (m32c_legitimate_address_p): Add debug wrapper.
5286 (m32c_rtx_costs): New.
5287 (m32c_address_cost): New.
5288 (conversions): Add 'B' prefix.
5289 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5290 operands, or word regnames for QI operands. 'B' prints bit
5292 (m32c_expand_setmemhi): New.
5293 (m32c_expand_movmemhi): New.
5294 (m32c_expand_movstr): New.
5295 (m32c_expand_cmpstr): New.
5296 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5297 (m32c_expand_neg_mulpsi3): Handle non-ints.
5298 (m32c_cmp_flg_0): New.
5299 (m32c_expand_movcc): New.
5300 (m32c_expand_insv): New.
5301 (m32c_scc_pattern): New.
5302 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5303 a0/a1 out of SIregs.
5304 (STORE_FLAG_VALUE): New.
5305 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5308 * config/m32c/mov.md: Make constraints more liberal.
5309 (zero_extendqihi2): Optimize r0/r1 case.
5310 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5311 * config/m32c/predicates.md (m32c_any_operand): New.
5312 (m32c_nonimmediate_operand): New.
5313 (m32c_hl_operand): New.
5314 (m32c_r3_operand): New.
5317 (memsym_operand): New.
5318 (memimmed_operand): New.
5319 (a_qi_operand): New.
5320 (m32c_eqne_operator): New.
5321 (m32c_1bit8_operand): New.
5322 (m32c_1bit16_operand): New.
5323 (m32c_1mask8_operand): New.
5324 (m32c_1mask16_operand): New.
5325 * config/m32c/blkmov.md: New file.
5326 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5328 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5330 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5331 unsigned to fix signed/unsigned comparison issue in
5332 DWARF2_FRAME_REG_OUT.
5333 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5334 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5336 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5337 of ptr into the ENABLE_CHECKING section.
5339 2006-03-08 Jeff Law <law@redhat.com>
5341 * tree-vrp.c (infer_value_range): Only count pointer uses
5342 and dereferences if -fdelete-null-pointer-checks is enabled.
5344 * tree-vrp.c (find_assert_locations): Infer value ranges for
5345 single use pointers, but do not create ASSERT_EXPRs for them.
5346 When a non-null range is inferred for a pointer, backwards
5347 propagate that range to other equivalent pointers through the
5350 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5353 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5354 language hook targets.
5355 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5356 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5357 if language hook targets were missing.
5359 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5361 * tree-ssa-opfinalize.h: Removed.
5362 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5364 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5365 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5366 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5367 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5368 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5369 finalize_ssa_v_must_def_ops): New.
5371 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5373 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5376 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5378 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5380 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5381 addresses with offsets; reorganize.
5383 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5384 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5385 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5387 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5390 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5392 2006-03-08 Ben Elliston <bje@au.ibm.com>
5394 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5396 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5399 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5402 2006-03-07 Richard Guenther <rguenther@suse.de>
5404 PR tree-optimization/26587
5405 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5407 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5409 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5411 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5413 * hooks.c (hook_bool_mode_rtx_true): New function.
5414 * hooks.h (hook_bool_mode_rtx_true): Declare.
5415 * toplev.c (compile_file): Call output_shared_constant_pool.
5416 * varasm.c (shared_constant_pool): New variable.
5417 (assemble_start_function, assemble_end_function): Remove arguments
5418 from call to output_constant_pool.
5419 (create_constant_pool): New function, split out from...
5420 (init_varasm_status): ...here.
5421 (force_const_mem): Choose between the shared and per-function constant
5422 pools. Set current_function_uses_const_pool when reusing old entries
5423 as well as when creating new ones.
5424 (mark_constant): Ignore data argument.
5425 (mark_constants): Remove pool argument.
5426 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5427 to decide whether the function uses a constant pool.
5428 (output_constant_pool_contents): New function, split out from...
5429 (output_constant_pool): ...here.
5430 (output_shared_constant_pool): New function.
5431 (init_varasm_once): Initialize shared_constant_pool.
5432 * output.h (output_constant_pool): Delete.
5433 (output_shared_constant_pool): Declare.
5434 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5435 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5437 2006-03-06 Nick Clifton <nickc@redhat.com>
5439 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5440 flag_strength_reduce.
5442 2006-03-06 Ben Elliston <bje@au.ibm.com>
5444 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5445 x86_64-*-linux* configurations.
5447 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5448 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5450 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5452 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5454 * basic-block.h: Remove the extern for
5455 rediscover_loops_after_threading.
5457 * cfgloop.c (cancel_loop): Make it static.
5458 * cfgloop.h: Remove the prototype for cancel_loop.
5460 * flow.c (recompute_reg_usage): Make it static.
5461 * rtl.h: Remove the prototype for recompute_reg_usage.
5463 * function.c (use_return_register): Make it static.
5464 * function.h: Remove the prototype.
5466 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5468 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5470 * recog.h: Remove the prototype for
5471 validate_change_maybe_volatile.
5473 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5475 * rtlanal.c (replace_reg): Remove.
5476 * rtl.h: Remove the prototype for replace_reg.
5478 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5480 * regclass.c (reg_scan_update): Remove.
5481 (reg_scan_mark_refs): Remove the last argument.
5482 * rtl.h: Remove the prototype for reg_scan_update.
5484 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5486 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5487 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5488 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5489 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5490 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5491 loop-invariant.c, omp-low.c, opts.c, passes.c,
5492 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5493 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5494 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5495 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5496 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5497 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5499 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5501 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5502 * dwarf2out.h: Remove the prototype for
5503 dwarf2out_add_library_unit_info.
5505 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5507 * tree.c (add_var_to_bind_expr): Remove.
5508 * tree.h: Remove the prototype for add_var_to_bind_expr.
5510 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5512 * regclass.c (n_non_fixed_regs): Remove.
5513 (init_reg_sets_1, globalize_reg): Remove all uses of
5515 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5517 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5519 * rtlanal.c (insns_safe_to_move_p): Remove.
5520 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5522 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5524 * expmed.c (expand_mult_add): Remove.
5525 * expr.h: Remove the prototype for expand_mult_add.
5527 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5529 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5530 and REG_SAVED_VAL_EXP constants.
5531 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5532 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5533 Handle regs stored by value.
5534 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5535 (execute_cfa_program): Handle DW_CFA_val_offset,
5536 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5537 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5538 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5539 (uw_install_context_1): Handle target regs stored by value.
5541 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5543 * tree-sra.c (tree_sra): Return todoflags;
5544 (generate_one_element): Set TODO_update_smt_usage if needed.
5545 (pass_sra): Remove TODO_update_smt_usage.
5546 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5548 (tree_ssa_forward_propagate_single_use_vars): Return
5549 TODO_update_smt_usage if we need to update SMT usage.
5550 (pass_forwprop): Remove TODO_update_smt_usage.
5552 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5554 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5555 (correct_use_link): Remove reference to get_stmt_operands.
5556 (update_stmt_operands): Likewise.
5557 (get_modify_expr_operands): New function factored out of
5558 parse_ssa_operands and get_expr_operands.
5559 Try to create V_MUST_DEFs for LHS by default.
5560 (get_expr_operands) <case MODIFY_EXPR>: Call
5561 get_modify_expr_operands.
5562 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5563 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5564 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5565 get_modify_expr_operands.
5567 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5569 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5570 * tree-flow.h: Remove the prototype for
5571 referenced_var_lookup_if_exists.
5573 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5575 PR rtl-optimization/26345
5577 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5579 2006-03-03 Roger Sayle <roger@eyesopen.com>
5581 PR tree-optimization/26524
5582 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5583 fold_convert to create a constant of the appropriate type.
5585 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5587 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5588 SYMBOL_REF_IN_BLOCK_P.
5589 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5590 of SYMBOL_FLAG_IN_BLOCK.
5591 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5592 instead of SYMBOL_REF_IN_BLOCK_P.
5593 * explow.c (use_anchored_address): Likewise.
5594 * rtl.c (rtx_size): Likewise.
5595 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5596 instead of SYMBOL_FLAG_IN_BLOCK.
5597 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5598 SYMBOL_REF_IN_BLOCK_P.
5599 (assemble_variable): Likewise.
5600 (output_constant_def_contents): Likewise.
5601 (output_constant_pool): Likewise.
5602 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5603 instead of SYMBOL_FLAG_IN_BLOCK.
5604 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5605 SYMBOL_REF_IN_BLOCK_P.
5606 (SYMBOL_REF_BLOCK): Likewise.
5607 (SYMBOL_REF_OFFSET): Likewise.
5608 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5609 SYMBOL_REF_IN_BLOCK_P.
5610 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5611 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5612 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5613 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5615 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5617 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5619 2006-03-02 Roger Sayle <roger@eyesopen.com>
5621 * simplify-rtx.c (simplify_unary_operation): When simplifying
5622 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5623 that we perform the right shift in the appropriate mode, and
5624 then extend or truncate the result to requested mode.
5626 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5628 * gengtype.c (main): Handle double_int type.
5629 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5630 * double-int.c: New file.
5631 * double-int.h: New file.
5632 * system.h: Include doubleint.h.
5633 * Makefile.in (SYSTEM_H): Include double-int.h.
5634 (double-int.o): Add.
5636 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5639 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5642 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5644 * tree-vrp.c (remove_range_assertions): Do not update statements
5647 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5649 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5651 * gcse.c (rest_of_handle_gcse): Ditto.
5652 * except.c (gate_handle_eh): Ditto.
5653 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5654 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5656 2006-03-02 Eric Christopher <echristo@apple.com>
5658 * config/i386/i386.c (machopic_output_stub): Add indirection to
5661 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5665 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5667 Sun Niagara specific optimizations.
5668 * config.gcc: Recognize niagara as target.
5669 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5670 (TARGET_CPU_niagara): Define.
5671 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5672 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5673 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5674 (ASM_CPU_SPEC): Likewise.
5675 (PROCESSOR_NIAGARA): New enum entry.
5676 (REGISTER_MOVE_COST): Handle Niagara.
5677 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5678 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5679 (sparc_override_options): Recognize "niagara", set appropriate
5680 default MASK_* values for it, and align functions to 32-bytes
5681 by default just like ULTRASPARC/ULTRASPARC3.
5682 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5683 (sparc64_initialize_trampoline): Likewise.
5684 (sparc_use_sched_lookahead): Use zero for niagara.
5685 (sparc_issue_rate): Use one for niagara.
5686 * config/sparc/niagara.md: New file.
5687 * config/sparc/sparc.md: Include it.
5688 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5689 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5690 when default cpu is niagara.
5691 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5692 (ASM_CPU_SPEC): Likewise.
5693 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5694 when default cpu is niagara.
5695 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5696 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5697 just like v9/ultrasparc/ultrasparc3.
5698 * doc/invoke.texi: Add documentation for "niagara" and improve
5699 existing documentation for ultrasparc variants.
5701 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5703 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5705 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5707 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5708 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5709 and say that only one is needed.
5710 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5711 * target.h (have_switchable_bss_sections): New hook.
5712 * explow.c (use_anchored_address): Check that the symbol is in a block.
5713 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5714 (bss_noswitch_section): New variables.
5715 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5716 (get_noswitch_section): New function.
5717 (get_block_for_section): Allow SECT to be null.
5718 (unlikely_text_section_p): Use SECTION_STYLE.
5719 (bss_initializer_p): New function.
5720 (get_variable_section): Move earlier in file. Take a new argument,
5721 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5722 Return one of the new *_sections in such cases.
5723 (get_block_for_decl): New function, extracting some logic from
5724 use_blocks_for_decl_p.
5725 (change_symbol_section): Remove in favor of...
5726 (change_symbol_block): ...this new function.
5727 (use_blocks_for_decl_p): Remove checks now performed by
5729 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5730 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5731 (emit_local, emit_bss, emit_common): ...these new functions.
5732 Return true if the alignment was honored.
5733 (emit_tls_common): New function.
5734 (asm_emit_uninitialised): Delete.
5735 (assemble_variable_noswitch): New function, split out from...
5736 (assemble_variable): ...here. Don't make decisions about common
5737 variables here. Globalize all public decls that go into non-common
5738 sections. Check whether SYMBOL_REF_BLOCK is null.
5739 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5740 (output_constant_pool): Likewise.
5741 (init_varasm_once): Initialize the new section variables.
5742 (have_global_bss_p): New function.
5743 (categorize_decl_for_section): Use bss_initializer_p.
5744 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5745 (place_block_symbol): Assert that the symbol must be in a block.
5746 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5747 (TARGET_INITIALIZER): Include it.
5748 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5749 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5750 (SECTION_MACH_DEP): Bump by two.
5751 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5752 (unnamed_section): Mention SECTION_UNNAMED in comment.
5753 (named_section): Likewise SECTION_NAMED.
5754 (noswitch_section_callback): New type.
5755 (noswitch_section): New structure.
5756 (section): Add a noswitch_section alternative.
5757 (SECTION_STYLE): New macro.
5758 (tls_comm_section, comm_section, lcomm_section): Declare.
5759 (bss_noswitch_section, have_global_bss_p): Declare.
5760 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5761 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5763 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5764 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5767 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5769 * tree-vrp.c (execute_vrp): Return value.
5770 * regrename.c (rest_of_handle_regrename): Ditto.
5771 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5772 * tree-complex.c (tree_lower_complex): Ditto.
5773 (tree_lower_complex_O0): Ditto.
5774 * tracer.c (rest_of_handle_tracer): Ditto.
5775 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5776 * postreload.c (rest_of_handle_postreload): Ditto.
5777 * tree-tailcall.c (execute_tail_recursion): Ditto.
5778 (execute_tail_calls): Ditto.
5779 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5780 * tree.h (init_function_for_compilation): Ditto.
5781 * ipa-cp.c (ipcp_driver): Ditto.
5782 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5783 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5784 * final.c (compute_alignments): Ditto.
5785 (rest_of_handle_final): Ditto.
5786 (rest_of_handle_shorten_branches): Ditto.
5787 (rest_of_clean_state): Ditto.
5788 * omp-low.c (execute_expand_omp): Ditto.
5789 (execute_lower_omp): Ditto.
5790 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5791 * ipa-reference.c (static_execute): Ditto.
5792 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5793 * reorg.c (rest_of_handle_delay_slots): Ditto.
5794 (rest_of_handle_machine_reorg): Ditto.
5795 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5796 * flow.c (recompute_reg_usage): Ditto.
5797 (rest_of_handle_remove_death_notes): Ditto.
5798 (rest_of_handle_life): Ditto.
5799 (rest_of_handle_flow2): Ditto.
5800 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5801 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5802 (do_ssa_store_ccp): Ditto.
5803 (execute_fold_all_builtins): Ditto.
5804 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5805 * modulo-sched.c (rest_of_handle_sms): Ditto.
5806 * ipa-pure-const.c (static_execute): Ditto.
5807 * cse.c (rest_of_handle_cse): Ditto.
5808 (rest_of_handle_cse2): Ditto.
5809 * web.c (rest_of_handle_web): Ditto.
5810 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5811 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5812 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5813 * tree-nrv.c (tree_nrv): Ditto.
5814 (execute_return_slot_opt): Ditto.
5815 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5816 (create_structure_vars): Ditto.
5817 * loop-init.c (rtl_loop_init): Ditto.
5818 (rtl_loop_done): Ditto.
5819 (rtl_move_loop_invariants): Ditto.
5820 (rtl_unswitch): Ditto.
5821 (rtl_unroll_and_peel_loops): Ditto.
5822 (rtl_doloop): Ditto.
5823 * gimple-low.c (lower_function_body): Ditto.
5824 (mark_used_blocks): Ditto.
5825 * tree-ssa-sink.c (execute_sink_code): Ditto.
5826 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5827 (cgraph_early_inlining): Ditto.
5828 * global.c (rest_of_handle_global_alloc): Ditto.
5829 * jump.c (cleanup_barriers): Ditto.
5830 (purge_line_number_notes): Ditto.
5831 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5832 (rest_of_handle_if_after_reload): Ditto.
5833 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5834 (tree_ssa_loop_im): Ditto.
5835 (tree_ssa_loop_unswitch): Ditto.
5836 (tree_vectorize): Ditto.
5837 (tree_linear_transform): Ditto.
5838 (tree_ssa_loop_ivcanon): Ditto.
5839 (tree_ssa_empty_loop): Ditto.
5840 (tree_ssa_loop_bounds): Ditto.
5841 (tree_complete_unroll): Ditto.
5842 (tree_ssa_loop_prefetch): Ditto.
5843 (tree_ssa_loop_ivopts): Ditto.
5844 (tree_ssa_loop_done): Ditto.
5845 * predict.c (tree_estimate_probability): Ditto.
5846 * recog.c (split_all_insns_noflow): Ditto.
5847 (rest_of_handle_peephole2): Ditto.
5848 (rest_of_handle_split_all_insns): Ditto.
5849 * tree-eh.c (lower_eh_constructs): Ditto.
5850 * regmove.c (rest_of_handle_regmove): Ditto.
5851 (rest_of_handle_stack_adjustments): Ditto.
5852 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5853 * function.c (instantiate_virtual_regs): Ditto.
5854 (init_function_for_compilation): Ditto.
5855 (rest_of_handle_check_leaf_regs): Ditto.
5856 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5857 (rest_of_handle_gcse): Ditto.
5858 * ipa-type-escape.c (type_escape_execute): Ditto.
5859 * alias.c (rest_of_handle_cfg): Ditto.
5860 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5861 * profile.c (rest_of_handle_branch_prob): Ditto.
5862 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5863 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5864 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5865 * tree-dfa.c (find_referenced_vars): Ditto.
5866 * except.c (set_nothrow_function_flags): Ditto.
5867 (convert_to_eh_region_ranges): Ditto.
5868 (rest_of_handle_eh): Ditto.
5869 * emit-rtl.c (unshare_all_rtl): Ditto.
5870 (remove_unnecessary_notes): Ditto.
5871 * except.h (set_nothrow_function_flags): Ditto.
5872 (convert_to_eh_region_ranges): Ditto.
5873 * cfgexpand.c (tree_expand_cfg): Ditto.
5874 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5875 * tree-ssa-pre.c (do_pre): Ditto.
5876 (execute_fre): Ditto.
5877 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5878 (rest_of_handle_jump2): Ditto.
5879 * tree-sra.c (tree_sra): Ditto.
5880 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5881 (execute_mudflap_function_decls): Ditto.
5882 * tree-ssa-copy.c (do_copy_prop): Ditto.
5883 (do_store_copy_prop): Ditto.
5884 * ipa-prop.h (ipcp_driver): Ditto.
5885 * cfglayout.c (insn_locators_initialize): Ditto.
5886 * tree-ssa-forwprop.c
5887 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5888 * cfglayout.h (insn_locators_initialize): Ditto.
5889 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5890 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5891 (execute_late_warn_uninitialized): Ditto.
5892 * rtl.h (cleanup_barriers): Ditto.
5893 (split_all_insns_noflow): Ditto.
5894 (purge_line_number_notes): Ditto.
5895 (unshare_all_rtl): Ditto.
5896 (remove_unnecessary_notes): Ditto.
5897 (recompute_reg_usage): Ditto.
5898 (variable_tracking_main): Ditto.
5899 * integrate.c (emit_initial_value_sets): Ditto.
5900 * integrate.h (emit_initial_value_sets): Ditto.
5901 * tree-optimize.c (execute_free_datastructures): Ditto
5902 (execute_free_cfg_annotations): Ditto.
5903 (execute_fixup_cfg): Ditto.
5904 (execute_cleanup_cfg_pre_ipa): Ditto.
5905 (execute_cleanup_cfg_post_optimizing): Ditto.
5906 (execute_init_datastructures): Ditto.
5907 * tree-object-size.c (compute_object_sizes): Ditto.
5908 * combine.c (rest_of_handle_combine): Ditto.
5909 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5910 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5911 (rest_of_handle_reorder_blocks): Ditto.
5912 (rest_of_handle_partition_blocks): Ditto.
5913 * var-tracking.c (variable_tracking_main): Ditto.
5914 * tree-profile.c (tree_profiling): Ditto.
5915 * tree-vect-generic.c (expand_vector_operations): Ditto.
5916 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5917 * sched-rgn.c (rest_of_handle_sched): Ditto.
5918 (rest_of_handle_sched2): Ditto.
5919 * basic-block.h (free_bb_insn): Ditto.
5920 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5921 * tree-cfg.c (execute_build_cfg): Ditto.
5922 (remove_useless_stmts): Ditto.
5923 (split_critical_edges): Ditto.
5924 (execute_warn_function_return): Ditto.
5925 (execute_warn_function_noreturn): Ditto.
5926 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5927 * cfgrtl.c (free_bb_for_insn): Ditto.
5928 * passes.c (execute_one_pass): Run additional
5929 todos returned by execute function.
5930 * tree-pass.h (struct tree_opt_pass): Make execute
5933 2006-03-02 Richard Guenther <rguenther@suse.de>
5935 * tree-ssa-alias.c (find_used_portions): Consider taking
5936 the address as making the variable not write-only.
5938 2006-03-02 Nick Clifton <nickc@redhat.com>
5940 * config.gcc (default_use_cxa_atexit): Extend the description of
5941 this configure variable. Set its default value to "yes" for
5942 Linux, NetBSD and ELF targets on the assumption that they will
5943 use C libraries with the __cxa_atexit function.
5945 2006-03-02 Ben Elliston <bje@au.ibm.com>
5947 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5948 parameter as unused to suppress a build warning.
5950 2006-03-02 Ben Elliston <bje@au.ibm.com>
5952 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5955 2006-03-01 Roger Sayle <roger@eyesopen.com>
5958 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5959 declared name, the weak reference name, and the typeof name.
5960 (__gthrw): Avoid expanding the declared name suffix.
5961 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5963 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5965 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5967 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5968 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5969 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5970 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5971 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5972 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5973 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5974 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5975 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5976 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5977 (DW_END_default, DW_END_big, DW_END_little): New.
5978 (DW_END_lo_user, DW_END_hi_user): Define.
5979 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5980 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5981 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5984 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5986 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5988 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5990 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5992 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5994 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5995 to 'symbol_mem_tag'.
5997 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6000 2006-03-01 Roger Sayle <roger@eyesopen.com>
6002 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6004 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6007 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6008 MACHO_DYNAMIC_NO_PIC_P.
6009 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6011 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6014 * config/darwin-protos.h (darwin_asm_output_anchor):
6016 * config/darwin-sections.def (cstring_section):
6017 Add SECTION_MERGE to the flags.
6018 (literal4_section): Likewise.
6019 (literal8_section): Likewise.
6020 (objc_selector_refs_section): Likewise.
6021 (objc_cls_refs_section): Likewise.
6022 * config/darwin.c (darwin_asm_output_anchor): New
6024 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6026 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6028 Fix PR tree-optimization/26443
6029 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6030 to todo and PROP_tmt_usage to properties_destroyed.
6031 * tree-ssa-ccp.c (pass_ccp): Ditto.
6032 (pass_store_ccp): Ditto.
6033 * tree-ssa-dom.c (pass_dominator): Ditto.
6035 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6037 * tree-ssa-operands.c: Cleanup whitespace.
6038 (get_asm_expr_operands): Move before first invocation.
6039 (get_indirect_ref_operands): Likewise.
6040 (get_tmr_operands): Likewise.
6041 (get_call_expr_operands): Likewise.
6042 (append_def): Likewise.
6043 (append_use): Likewise.
6044 (append_v_may_def): Likewise.
6045 (append_v_must_def): Likewise.
6046 (add_call_clobber_ops): Likewise.
6047 (add_call_read_ops): Likewise.
6048 (add_stmt_operand): Likewise.
6049 (add_virtual_operand): Likewise.
6050 (build_ssa_operands): Likewise.
6052 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6057 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6058 with a call expr to ...
6059 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6061 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6063 * tree-vrp.c (extract_range_from_assert): Remove special
6064 handling for types with super-types.
6066 2006-03-01 Ben Elliston <bje@au.ibm.com>
6068 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6069 and powerpc64-*-linux* configurations.
6070 * config/t-dfprules: New file.
6072 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6073 Compile dfp-bit.c from the source directory using -DWIDTH and
6074 $DFP_CFLAGS to control the compilation of that file, rather than
6075 generating width-specific versions in the build directory.
6076 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6077 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6079 2006-02-28 Zack Weinberg <zackw@panix.com>
6081 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6084 2006-02-28 Eric Christopher <echristo@apple.com>
6086 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6087 Set up IN_LIBGCC definition of TARGET_64BIT.
6088 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6090 2006-02-28 Roger Sayle <roger@eyesopen.com>
6093 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6094 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6095 cases via the construction of "expr != 0".
6097 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6099 * alias.c (alias_invariant, alias_invariant_size): Remove.
6100 (record_base_value): Remove.
6101 (memrefs_conflict_p): Don't look at alias_invariant.
6102 (end_alias_analysis): Don't free it.
6103 * alias.h (record_base_value): Remove prototype.
6105 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6106 Adam Nemet <anemet@caviumnetworks.com>
6108 * rtl.h (truncated_to_mode): Declare it.
6109 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6110 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6111 (RTL_HOOKS_INITIALIZER): Include it.
6112 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6113 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6114 reg_truncated_to_mode.
6115 * rtlanal.c (truncated_to_mode): Define it.
6116 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6118 2006-02-28 Jeff Law <law@redhat.com>
6120 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6121 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6122 the range allowed by TYPE_PRECISION.
6124 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6126 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6128 PR tree-optimization/26419
6129 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6132 2006-02-27 Zack Weinberg <zackw@panix.com>
6134 * doc/md.texi: Fix typo in previous change.
6136 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6140 2006-02-27 Zack Weinberg <zackw@panix.com>
6142 * rtl.def (define_constraint, define_register_constraint)
6143 (define_memory_constraint, define_address_constraint): New MD forms.
6144 * gensupport.c (process_rtx): Put define_constraint etc on the
6146 * genpreds.c (process_define_predicate): Adjust comment. Validate
6147 the name, and call validate_exp to validate the expression.
6148 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6149 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6150 all callers changed.
6151 (validate_exp, needs_variable, struct constraint_data)
6152 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6153 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6154 (const_dbl_constraints, constraint_max_namelen)
6155 (have_register_constraints, have_memory_constraints)
6156 (have_address_constraints, have_address_constraints)
6157 (have_extra_constraints, have_const_int_constraints)
6158 (have_const_dbl_constraints, mangle, add_constraint)
6159 (process_define_constraint, process_define_register_constraint)
6160 (write_enum_constraint_num, write_lookup_constraint)
6161 (write_insn_constraint_len, write_regclass_for_constraint)
6162 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6163 (write_insn_extra_memory_constraint)
6164 (write_insn_extra_address_constraint)
6165 (write_satisfies_constraint_fns): New.
6166 (write_tm_preds_h): If we have new-style constraint definitions,
6167 prototype the functions generated from them, and define the
6168 old constraint interface (still used by generic code) in terms of
6170 (write_insn_preds_c): If we have new-style constraint definitions,
6171 generate all relevant functions from those definitions.
6172 (main): Handle define_constraint etc.
6173 * genoutput.c (struct constraint_data, indep_constraints)
6174 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6175 (mdep_constraint_len): New data structures and functions, defined
6176 #ifdef USE_MD_CONSTRAINTS.
6177 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6178 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6179 use new logic to validate operand constraints against constraint
6181 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6183 * defaults.h: If none of the old-style constraint macros are
6184 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6185 old-style macros; and poison REG_CLASS_FROM_LETTER,
6186 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6188 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6189 * doc/md.texi: Document new constraint-definition mechanism and the
6190 C interface it provides. Remove references to old mechanism
6191 elsewhere in the document.
6192 (Machine Constraints): Use pathnames relative to gcc directory,
6193 i.e. config/ARCH/FILE. Change i386 section to refer to
6194 config/i386/predicates.md; update that section to match docstrings.
6195 * doc/tm.texi: Move all documentation of the old constraint-
6196 definition macros to their own section, clearly mark as obsolete.
6198 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6199 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6201 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6202 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6203 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6205 (splits and peepholes): Use satisfies_constraint_*.
6206 * config/i386/i386.c (memory_address_length)
6207 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6209 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6211 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6212 scalar operation to be put back into the loop.
6214 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6217 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6218 (extract_cie_info): Handle S flag in augmentation string.
6219 (execute_cfa_program): If context->signal_frame, execute also
6220 fs->pc == context->ra instructions.
6221 (uw_frame_state_for): If context->signal_frame, don't subtract one
6222 from context->ra to find FDE.
6223 (uw_update_context_1): Set context->signal_frame to
6225 (_Unwind_GetIPInfo): New function.
6226 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6227 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6229 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6230 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6231 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6232 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6233 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6234 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6235 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6236 x86_64_fallback_frame_state): Set fs->signal_frame.
6237 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6238 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6239 (frob_update_context): Likewise. Workaround missing S flag in
6240 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6241 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6242 Remove the psw_addr + 1 hack.
6244 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6246 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6247 with aggregates here.
6248 (find_func_aliases): Remove code for &<aggregate> from here.
6250 2006-02-26 Roger Sayle <roger@eyesopen.com>
6252 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6253 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6254 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6257 2006-02-26 Roger Sayle <roger@eyesopen.com>
6260 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6262 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6264 * opts.c (decode_options): Do not handle flag_strength_reduce.
6265 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6266 and OPT_fstrength_reduce.
6267 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6268 flag_prefetch_loop_arrays for being nonzero.
6269 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6271 (fprefetch-loop-arrays-rtl): Removed.
6272 (flag_prefetch_loop_arrays): Do not specify the value.
6274 * doc/passes.texi: Update documentation of loop optimizer
6276 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6277 -frerun-loop-opt): Remove.
6279 2006-02-26 Richard Guenther <rguenther@suse.de>
6281 PR tree-optimization/26421
6282 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6283 in function calls that are ADDR_EXPRs as using the whole structure.
6285 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6287 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6288 * tree-pass.h (pass_loop_optimize): Remove.
6289 * passes.c (pass_loop_optimize): Never run it.
6290 * toplev.c (backend_init): Don't call init_loop.
6291 * opts.c (flag_loop_optimize_set): Remove.
6292 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6293 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6294 the old RTL loop optimizer when profiling enabled.
6295 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6296 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6297 pre-headers for the sake of the old RTL loop optimizer.
6298 * Makefile.in: Remove all references to loop.o.
6300 * doc/invoke.texi: Remove all references to -floop-optimize
6301 and -frerun-loop-opt.
6303 2006-02-26 Zack Weinberg <zackw@panix.com>
6305 * doc/md.texi (Machine Constraints): Refer to all files with paths
6306 relative to gcc directory (i.e. config/CPU/file). Add missing
6307 @table @code ... @end table to M32C subsection.
6309 2006-02-26 Roger Sayle <roger@eyesopen.com>
6311 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6313 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6315 2006-02-26 Roger Sayle <roger@eyesopen.com>
6316 James A. Morrison <phython@gcc.gnu.org>
6319 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6320 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6321 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6322 signedness of the shift operation.
6324 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6326 PR tree-optimization/26359
6327 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6329 2006-02-25 Roger Sayle <roger@eyesopen.com>
6331 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6332 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6333 as X == 0, and some symmetry related transformations.
6334 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6336 2006-02-25 Roger Sayle <roger@eyesopen.com>
6339 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6340 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6341 symmetry related transformations. Fold (X^C1) == C2 as
6344 2006-02-25 Juergen Weigert <jw@suse.de>
6345 Richard Guenther <rguenther@suse.de>
6347 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6349 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6351 * combine.c (gen_lowpart_or_truncate): Call
6352 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6354 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6356 * doc/invoke.texi: Move -fopenmp description to "Options for
6358 Remove reference to -lgomp.
6360 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6362 * doc/install.texi: Require GNU tar version 1.14.
6364 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6366 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6367 * doc/invoke.texi (C++ Dialect Options): Document
6368 -fno-use-cxa-get-exception-ptr.
6369 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6370 * configure: Regenerate.
6371 * c.opt (fuse-cxa-get-exception-ptr): New.
6372 * c-opts.c (c_common_handle_option): Handle
6373 OPT_fuse_cxa_get_exception_ptr.
6374 * c-common.c (flag_use_cxa_atexit): Update documentation.
6375 (flag_use_cxa_get_exception_ptr): New.
6376 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6377 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6379 (C_COMMON_OVERRIDE_OPTIONS): New.
6381 2006-02-24 Roger Sayle <roger@eyesopen.com>
6384 * combine.c (try_combine): Explicitly check whether GET_CODE is
6385 a SET or a CLOBBER, instead on checking that it isn't a USE.
6387 2006-02-24 Roger Sayle <roger@eyesopen.com>
6389 * fold-const.c (fold_comparison): New subroutine of fold_binary
6390 containing transformations common to both the equality and
6391 ordering relational operators, factored out of fold_binary.
6392 (fold_binary): Separate out the equality operators (EQ_EXPR
6393 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6394 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6395 transformations common to both.
6396 (fold_div_compare): Fix latent bugs in the previously unreachable
6397 LT_EXPR and GE_EXPR cases.
6399 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6401 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6402 decl libname for clog to __clog on AIX.
6404 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6406 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6409 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6410 output traceback table for thunks. Localise rs6000_stack_info call.
6412 2006-02-23 Roger Sayle <roger@eyesopen.com>
6413 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6415 * gthr-posix.h (__gthrw): Fix typo in comment.
6417 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6419 * doc/cpp.texi (Character sets): Document that we do support
6420 input files to be in any character set.
6422 2006-02-23 Jeff Law <law@redhat.com>
6424 * tree.h (PHI_ARG_NONZERO): Remove.
6425 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6426 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6427 node to the new node.
6429 PR tree-optimization/26425
6430 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6431 min/max, then assume its varying.
6433 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6435 PR rtl-optimization/26316
6436 * rtlanal.c (enum may_trap_p_flags): New.
6437 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6438 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6439 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6440 (may_trap_after_code_motion_p): New function.
6441 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6442 (find_invariant_insn): Use may_trap_after_code_motion_p.
6443 * rtl.h (may_trap_after_code_motion_p): Declare.
6445 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6447 * emit-rtl.c (immed_double_const): Cleanup.
6449 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6451 Fix PR tree-optimization/26376
6452 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6455 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6458 * gimplify.c (omp_add_variable): Guard variable size decl test with
6459 DECL_SIZE (decl) check.
6461 2006-02-23 Richard Guenther <rguenther@suse.de>
6464 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6465 like aggregate types.
6467 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6469 * configure.ac: Add --with{,out}-long-double-128 configure option.
6470 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6471 * configure: Rebuilt.
6472 * config.in: Rebuilt.
6473 * doc/install.texi (Options specification): Document
6474 --with-long-double-128.
6476 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6477 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6478 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6479 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6481 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6483 * config/s390/s390.c (override_options): Handle
6484 TARGET_DEFAULT_LONG_DOUBLE_128.
6486 * config/alpha/alpha.c (override_options): Handle
6487 TARGET_DEFAULT_LONG_DOUBLE_128.
6489 * config/sparc/sparc.c (sparc_override_options): Handle
6490 TARGET_DEFAULT_LONG_DOUBLE_128.
6492 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6494 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6495 (real-install-headers-tar, real-install-headers-cpio)
6496 (real-install-headers-cp): New targets.
6498 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6500 * tree.h (variable_section): Delete.
6501 * varasm.c (variable_section): Delete.
6503 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6505 * install.texi: Add notes on install.texi2html.
6506 (Building in parallel): Do not use footnotes.
6508 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6511 * doc/install.texi (Configuration): Document --disable-libgomp.
6513 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6515 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6517 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6519 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6520 (vec_extractv2df_0_sse): New.
6522 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6524 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6525 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6526 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6527 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6528 to the result of the expression.
6529 (def_cfa_1): Adjust.
6530 (frame_pointer_cfa_offset): Rename to...
6531 (frame_pointer_fb_offset): ... this. Adjust all uses.
6532 (convert_cfa_to_loc_list): Rename to...
6533 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6534 Pass it on to build_cfa_loc.
6535 (compute_frame_pointer_to_cfa_displacement): Rename to...
6536 (compute_frame_pointer_to_fb_displacement): ... this. New
6537 offset parameter. Use it in computation.
6538 (gen_subprogram_die): Compute cfa_fb_offset with the new
6539 macro, and use it to compute the fb loc list and the
6542 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6544 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6545 replaced with register_operand.
6546 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6547 non-DREG is expensive.
6548 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6549 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6552 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6554 * doc/install.texi2html: Use set -e.
6556 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6558 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6559 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6560 * doc/invoke.texi (-fshared-data): Delete.
6561 * common.opt (fshared-data): Delete.
6562 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6563 (assemble_static_space): Remove #if 0 code.
6564 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6565 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6566 * config/cris/cris.h: Remove FIXME.
6568 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6570 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6573 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6576 * combine.c (simplify_shift_const_1): Disable nested shifts
6577 optimization for vector shifts.
6579 2006-02-20 Roger Sayle <roger@eyesopen.com>
6581 PR tree-optimization/26361
6582 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6583 of unsigned integer types.
6585 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6587 * tree-chrec.c (eq_evolutions_p): New.
6588 * tree-chrec.h (eq_evolutions_p): Declared.
6589 * tree-data-ref.c: Fix formatting.
6590 (datadep_stats, dependence_stats): New.
6592 (print_direction_vector): New.
6593 (dump_data_dependence_relation): Use print_direction_vector.
6594 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6595 (compute_subscript_distance): Static.
6596 (initialize_data_dependence_relation): Static. Get the number
6597 of loops surrounding the references from the callers, and initialize
6598 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6599 base_object_differ_p analyzers.
6600 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6601 compute_overlap_steps_for_affine_1_2,
6602 analyze_subscript_affine_affine): Count the classified dependences.
6603 Print a message when a test failed.
6604 (can_use_analyze_subscript_affine_affine): New.
6605 (analyze_siv_subscript): Compute the data dependences on symbolic
6606 scevs that verify can_use_analyze_subscript_affine_affine.
6607 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6608 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6609 Handle symbolic scevs.
6610 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6612 (subscript_dependence_tester): Moved...
6613 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6614 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6615 DDR_SIZE_VECT instead of getting it in parameter.
6616 (subscript_dependence_tester): ... here. Take as a parameter
6617 loop_nest_depth. Call build_classic_dist_vector and
6618 build_classic_dir_vector.
6619 (compute_affine_dependence): Update subscript_dependence_tester
6620 parameters. Update datadep_stats counters. Call
6621 compute_subscript_distance.
6622 (compute_self_dependence): Save the dist and dir vectors. Call
6623 compute_subscript_distance.
6624 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6625 (compute_all_dependences): Reorder parameters as they were before
6626 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6627 compute_subscript_distance. Update the use of
6628 compute_affine_dependence and initialize_data_dependence_relation.
6629 (find_data_references_in_loop): Handle COMPONENT_REF.
6630 (compute_data_dependences_for_loop): Initialize dependence_stats.
6631 Don't call build_classic_dist_vector and build_classic_dir_vector.
6632 Update the parameters of initialize_data_dependence_relation and
6633 compute_all_dependences. Print the statistics from datadep_stats.
6634 (analyze_all_data_dependences): Static. Not used until the pass for
6635 checking the data dependences is contributed.
6636 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6637 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6638 (initialize_data_dependence_relation, compute_affine_dependence,
6639 analyze_all_data_dependences, compute_subscript_distance): Removed.
6640 (print_direction_vector): New.
6641 * lambda.h (gcd): ... here.
6642 (lambda_vector_gcd): Moved here from gcd_vector.
6643 * lambda-code.c (gcd, gcd_vector): Removed.
6644 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6645 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6647 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6649 * ipa-type-escape.c: Tidy some comments and white space.
6650 * tree-ssa-operands.c: Likewise.
6652 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6655 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6656 (dump_decl_name): Do not walk the decl tree chains.
6657 * tree-pass.h (TDF_CHAIN): Remove.
6659 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6661 * Makefile.in (C): Remove
6663 (.PHONY): Remove C and PROTO
6665 2006-02-20 Roger Sayle <roger@eyesopen.com>
6668 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6669 deprecated CHAR_TYPE tree code.
6671 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6673 * configure.ac (target_list): Add install-info, dvi, html.
6674 * configure: Regenerate.
6676 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6677 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6678 treelang/Make-lang.in: Do not use double-colon rules.
6680 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6682 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6683 (TMT_USED_ALONE): New macro.
6684 * tree-pass.h (PROP_tmt_usage): New property.
6685 (TODO_update_tmt_usage): New todo.
6686 * tree-ssa-alias.c (updating_used_alone): New variable.
6687 (recalculate_used_alone): New function.
6688 (compute_may_aliases): Set updating_used_alone, call
6689 recalculate_used_alone.
6690 * tree-sra.c (pass_sra): Note that this pass destroys
6691 PROP_tmt_usage, and add TODO_update_tmt_usage.
6692 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6693 * tree-flow.h (updating_used_alone): Prototype.
6694 (recalculate_used_alone): Ditto.
6695 * passes.c (execute_todo): Add code to set updating_used_alone,
6696 and call recalculate.
6697 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6698 for clobber if used alone, and add assert to verify used_alone
6701 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6703 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6704 for non tls symbols added.
6705 (legitimize_address): Do nothing for PLUS expressions if one of the
6706 addends is a tls symbol reference.
6708 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6712 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6714 * Makefile.in (BOOTSTRAPPING): New.
6715 (quickstrap): New definition if BOOTSTRAPPING=yes.
6717 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6718 * configure.ac: Substitute all_selected_languages with the languages
6719 that were configured. For all the other variables except
6720 lang_specs_files, include all the languages in the tree.
6721 * configure: Regenerate.
6723 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6724 if there is one. Run the commands to run fixincludes in the same
6727 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6728 * doc/install.texi: Document exact conventions for searching target tools.
6729 Document --with-build-time-tools. Document toplevel bootstrap. Document
6730 something more about building an Ada cross-compiler. Don't list GNU Make
6731 requirements which affect all platforms.
6733 2006-02-19 Roger Sayle <roger@eyesopen.com>
6736 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6737 only equivalent if the have both the same mode and precision.
6739 2006-02-20 Ben Elliston <bje@au.ibm.com>
6741 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6743 2006-02-19 Roger Sayle <roger@eyesopen.com>
6744 Steven Bosscher <stevenb.gcc@gmail.com>
6746 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6747 constant pool references to identify stack mode constants.
6748 * rtlanal.c (constant_pool_constant_p): New predicate to check
6749 whether operand is a floating point constant in the pool.
6750 * rtl.h (constant_pool_constant_p): Prototype here.
6751 * loop.c (scan_loop): Avoid hoisting constants from the constant
6752 pool on STACK_REGS targets.
6753 (load_mems): Likewise.
6754 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6755 loads into x87 registers expensive in terms of register pressure.
6757 2006-02-19 Roger Sayle <roger@eyesopen.com>
6759 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6760 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6762 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6764 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6765 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6767 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6769 * doc/invoke.texi: Document -fipa-pta.
6770 * common.opt: Add ipa-pta option.
6771 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6772 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6773 (do_ds_constraint): Ditto.
6774 (get_constraint_for): Only add to referenced_vars if
6775 referenced_vars exists.
6776 (insert_into_field_list): Rewrite to do this unsorted.
6777 (insert_into_field_list_sorted): Rename old insert_into_field_list
6779 (create_function_info_for): Use insert_into_field_list_sorted.
6780 (create_variable_info_for): Rewrite so it uses unsorted version,
6781 since the field list is sorted.
6782 (intra_create_variable_infos): Only add to referenced_vars if
6783 referenced_vars exists.
6784 (ipa_pta_execute): Init heapvars, and delete when done.
6785 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6787 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6789 * doc/install.texi: Add missing `@samp'.
6791 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6793 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6796 2006-02-18 Mark Wielaard <mark@klomp.org>
6798 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6799 who added new 4.1 features, bug fixes and integration support.
6801 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6804 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6807 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6809 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6810 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6811 (copy_insn_1): Likewise. Don't copy each field individually.
6813 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6815 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6816 * rtl.c (rtx_size): Rename variable to...
6817 (rtx_code_size): ...this.
6818 (rtx_size): New function.
6819 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6820 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6822 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6823 * rtl.h (rtx_code_size): New variable.
6824 (rtx_size): Change from a variable to a function.
6825 (RTX_SIZE): Rename to...
6826 (RTX_CODE_SIZE): ...this.
6829 PR tree-optimization/17106
6830 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6831 (Anchored Addresses): New section.
6832 * doc/invoke.texi (-fsection-anchors): Document.
6833 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6834 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6835 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6836 * hooks.c (hook_bool_mode_rtx_false): New function.
6837 * hooks.h (hook_bool_mode_rtx_false): Declare.
6838 * gengtype.c (create_optional_field): New function.
6839 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6840 SYMBOL_REF_IN_BLOCK_P is true.
6841 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6842 (min_anchor_offset, max_anchor_offset): Likewise.
6843 (use_anchors_for_symbol_p): New hook.
6844 * toplev.c (compile_file): Call output_object_blocks.
6845 (target_supports_section_anchors_p): New function.
6846 (process_options): Check that -fsection-anchors is only used on
6847 targets that support it and when -funit-at-a-time is in effect.
6848 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6849 if the decl doesn't have one.
6850 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6851 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6852 of force_const_mem through use_anchored_address.
6853 (expand_expr_constant): New function.
6854 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6855 calling expand_expr for INDIRECT_REF.
6856 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6857 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6858 * expr.h (use_anchored_address): Declare.
6859 * loop-unroll.c: Don't declare rtx vectors here.
6860 * explow.c: Include output.h.
6861 (validize_mem): Call use_anchored_address.
6862 (use_anchored_address): New function.
6863 * common.opt (-fsection-anchors): New switch.
6864 * varasm.c (object_block_htab, anchor_labelno): New variables.
6865 (hash_section, object_block_entry_eq, object_block_entry_hash)
6866 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6867 (use_blocks_for_decl_p, change_symbol_section): New functions.
6868 (get_variable_section): New function, split out from assemble_variable.
6869 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6870 use_blocks_for_decl_p say so. Use change_symbol_section if the
6871 symbol has already been created.
6872 (assemble_variable_contents): New function, split out from...
6873 (assemble_variable): ...here. Don't output any code for
6874 block symbols; just pass them to place_block_symbol.
6875 Use get_variable_section and assemble_variable_contents.
6876 (get_constant_alignment, get_constant_section, get_constant_size): New
6877 functions, split from output_constant_def_contents.
6878 (build_constant_desc): Create a block symbol if use_object_blocks_p
6879 says so. Or into SYMBOL_REF_FLAGS.
6880 (assemble_constant_contents): New function, split from...
6881 (output_constant_def_contents): ...here. Don't output any code
6882 for block symbols; just pass them to place_section_symbol.
6883 Use get_constant_section and get_constant_alignment.
6884 (force_const_mem): Create a block symbol if use_object_blocks_p and
6885 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6886 (output_constant_pool_1): Add an explicit alignment argument.
6887 Don't switch sections here.
6888 (output_constant_pool): Adjust call to output_constant_pool_1.
6889 Switch sections here instead. Don't output anything for block symbols;
6890 just pass them to place_block_symbol.
6891 (init_varasm_once): Initialize object_block_htab.
6892 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6893 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6894 (place_block_symbol, get_section_anchor, output_object_block)
6895 (output_object_block_htab, output_object_blocks): New functions.
6896 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6897 (TARGET_ASM_OUT): Include it.
6898 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6899 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6900 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6901 (TARGET_INITIALIZER): Include them.
6902 * rtl.c (rtl_check_failed_block_symbol): New function.
6903 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6904 (block_symbol, object_block): New structures.
6905 (rtx_def): Add a block_symbol field to the union.
6906 (BLOCK_SYMBOL_CHECK): New macro.
6907 (rtl_check_failed_block_symbol): Declare.
6908 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6909 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6910 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6911 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6912 * output.h (output_section_symbols): Declare.
6913 (object_block): Name structure.
6914 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6915 (default_use_anchors_for_symbol_p): Declare.
6916 * Makefile.in (RTL_BASE_H): Add vec.h.
6917 (explow.o): Depend on output.h.
6918 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6919 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6920 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6921 (rs6000_use_blocks_for_constant_p): New function.
6923 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6925 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6927 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6930 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6933 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6935 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6939 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6942 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6943 instead of DECL_REGISTER.
6945 2006-02-18 Olivier Hainque <hainque@adacore.com>
6948 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6950 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6953 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6954 * opth-gen.awk: Handle Var and InverseMask together.
6955 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6956 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6957 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6958 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6960 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6961 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6962 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6963 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6964 LINUX_DYNAMIC_LINKER): Define.
6965 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6966 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6968 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6969 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6970 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6971 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6972 (TARGET_C99_FUNCTIONS): Don't define.
6973 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6974 GLIBC_DYNAMIC_LINKER.
6975 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6976 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6977 GLIBC_DYNAMIC_LINKER64): Define.
6978 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6979 LINUX_DYNAMIC_LINKER64.
6980 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6981 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6982 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6983 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6984 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6985 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6986 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6987 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6988 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6989 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6990 and LINUX_DYNAMIC_LINKER32.
6991 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6992 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6993 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6994 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6995 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6997 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6998 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6999 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7000 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7001 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7002 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7003 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7004 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7005 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7006 LINUX_DYNAMIC_LINKER): Define.
7007 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7008 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7009 GLIBC_DYNAMIC_LINKER64): Define.
7010 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7011 LINUX_DYNAMIC_LINKER64.
7012 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7013 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7014 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7015 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7016 LINUX_DYNAMIC_LINKER): Define.
7017 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7018 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7019 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7020 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7021 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7022 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7023 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7024 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7025 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7026 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7027 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7028 * doc/invoke.texi (-muclibc): Remove caveat about supported
7031 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7033 * doc/cpp.texi (__TIMESTAMP__): Document.
7035 2006-02-17 Roger Sayle <roger@eyesopen.com>
7038 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7039 C is one less than the width of X (and related transformations).
7040 * simplify-rtx.c (simplify_unary_operation_1): Transform
7041 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7042 depending on STORE_FLAG_VALUE, were C is one less then the
7045 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7047 Fix PR tree-optimization/26341
7048 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7049 about NAME_MEMORY_TAG's.
7051 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7054 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7055 with hardware float support, and software float support. Add fcpy
7056 alternative to hardware patterns. Add alternatives to copy between
7057 general and floating-point registers to the 32-bit pattern.
7058 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7059 secondary reload to load a QI or HI mode constant into a floating
7061 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7062 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7064 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7067 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7069 (load_macho_picbase_di): Likewise.
7071 2006-02-16 Jeff Law <law@redhat.com>
7073 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7074 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7075 (ssa_name_nonzero_p): Likewise.
7076 (get_value_range): Return NULL if VRP is not running.
7077 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7078 VRP routines do not discover a range.
7079 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7080 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7081 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7082 (tree_expr_nonnegative_p): Similarly.
7083 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7084 (restore_nonzero_vars_to_original_value): Remove.
7085 (unsafe_associative_fp_binop): Remove.
7086 (tree_ssa_dominator_optimize): Remove initialization and
7087 finalization of nonzero_vars and nonzero_vars_stack.
7088 (dom_opt_initialize_block): No longer push marker on
7090 (dom_opt_finalize_block): No longer call
7091 restore_nonzero_vars_to_original_value.
7092 (record_equivalences_from_phis): No longer look for
7093 nonzero PHI arguments.
7094 (cprop_into_successor_phis): No longer propagate nonzero
7095 property into PHI arguments. Lose unused argument. Caller
7097 (record_equivalences_from_stmt): No longer record nonzero
7098 values for SSA_NAMEs.
7099 (lookup_avail_expr): No longer use nonzero_vars.
7101 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7102 for sizetype when sizetype is unsigned.
7104 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7106 PR rtl-optimization/25603
7107 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7108 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7109 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7110 with new meaning of SETS.
7112 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7117 * config/linux.opt: New file.
7118 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7119 LINUX_DYNAMIC_LINKER): Define.
7120 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7121 * config.gcc (*-*-linux*): Define extra_options.
7122 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7123 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7124 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7125 GLIBC_DYNAMIC_LINKER.
7126 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7127 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7128 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7129 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7130 * doc/invoke.texi (GNU/Linux Options): New section.
7132 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7134 * config/sparc/sparc.md (setjmp): Rewrite.
7135 (setjmp_32): Delete.
7136 (setjmp_64): Likewise.
7138 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7140 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7143 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7145 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7148 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7150 PR rtl-optimization/26296
7151 * Makefile.in (loop-invariant.c): Add except.h dependency.
7152 * loop-invariant.c: Include except.h.
7153 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7155 2005-02-16 Paul Brook <paul@codesourcery.com>
7157 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7160 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7162 PR rtl-optimization/25636
7163 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7164 when deciding whether an insn is an initializing insn.
7166 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7168 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7169 (tree_code_size): Ditto.
7170 * tree.h (struct tree_memory_tag): Remove parent_var.
7171 (struct tree_struct_field_tag): New.
7174 (union tree_node): Add sft member.
7175 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7177 (create_sft): Add size and offset argument, set SFT_OFFSET and
7179 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7180 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7181 * tree-flow-inline.h (get_subvar_at): Update for
7182 SFT_OFFSET/SFT_SIZE.
7183 (var_can_have_subvars): Ditto.
7184 (overlap_subvar): Ditto.
7185 * print-tree.c (print_node): Print out interesting things for
7187 * tree-flow.h (struct subvar): Remove offset and size members.
7188 * tree-ssa-operands.c (get_expr_operands): Update for
7189 get_indirect_ref_operands changes.
7190 (get_indirect_ref_operands): Call add_virtual_operand instead of
7191 add_stmt_operand. Only recurse on base var if requested.
7192 (access_can_touch_variable): New function.
7193 (add_stmt_operand): Split virtual operand handling into ...
7194 (add_virtual_operand): Here. Add offset, size, and for_clobber
7195 arguments. Prune alias sets.
7196 (add_call_clobber_ops): Call add_virtual_operand.
7198 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7201 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7203 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7204 than TREE_CODE as index into omp_clause_num_ops array.
7206 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7208 PR rtl-optimization/26184
7209 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7211 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7212 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7213 must_precede, must_follow and tobe_scheduled.
7216 * opts.c (common_handle_option): Free new_option pointer.
7217 * df-core.c (df_analyze): Free postorder pointer.
7219 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7221 * Makefile.in: Fix the examples about the use of stamps
7223 2006-02-15 Michael Matz <matz@suse.de>
7227 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7228 influenced by maximum_field_alignment or DECL_PACKED.
7229 (update_alignment_for_field): Ditto.
7230 (place_field): Ditto.
7231 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7234 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7236 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7237 (debug_flow_info): Pass it.
7238 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7239 * bb-reorder.c (reorder_basic_blocks): Likewise.
7240 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7241 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7242 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7243 * gcse.c (gcse_main, bypass_jumps): Likewise.
7244 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7245 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7246 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7247 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7248 * rtl.h (dump_flow_info): Adjust prototype.
7249 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7250 * var-tracking.c (variable_tracking_main): Likewise.
7251 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7252 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7255 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7257 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7260 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7262 PR tree-optimization/26209
7263 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7264 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7266 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7268 2006-02-14 Roger Sayle <roger@eyesopen.com>
7271 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7272 (X,Y) and the corresponding symmetry related transformations.
7273 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7274 (X,Y) and its symmetry related transformations.
7276 2006-02-14 Roger Sayle <roger@eyesopen.com>
7278 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7281 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7283 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7285 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7288 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7289 support COMDAT group.
7290 * configure: Regenerate.
7292 2006-02-14 Roger Sayle <roger@eyesopen.com>
7297 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7299 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7301 Fix PR tree-optimization/26260
7303 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7305 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7306 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7307 * tree-ssa-structalias.c (create_variable_info_for): Use
7308 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7310 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7312 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7314 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7315 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7316 of the ending condition.
7317 * tree-ssa-loop-manip.c: Include params.h.
7318 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7319 tree_unroll_loop): New functions.
7320 * tree-pass.h (pass_loop_prefetch): Declare.
7321 * loop.c (rest_of_handle_loop_optimize): Test for
7322 -fprefetch-loop-arrays-rtl.
7323 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7324 * timevar.def (TV_TREE_PREFETCH): New timevar.
7325 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7326 pass_loop_prefetch): New.
7327 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7328 (cleanup_tree_cfg_loop): Call scev_reset.
7329 * common.opt (fprefetch-loop-arrays-rtl): Add.
7330 * tree-ssa-loop-prefetch.c: New file.
7331 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7332 (new_temp_expr_table): Initialize expr_vars.
7333 (free_temp_expr_table): Cleanup expr_vars.
7334 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7335 expressions from being merged into one.
7336 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7337 (struct tree_niter_desc): Add control, bound and cmp fields.
7338 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7340 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7341 (tree-cfgcleanup.o): Add SCEV_H dependency.
7342 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7343 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7345 2006-02-14 Richard Guenther <rguenther@suse.de>
7347 PR tree-optimization/26258
7348 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7349 in PHI argument processing.
7351 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7353 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7354 new expression in the requested machine mode.
7356 2006-02-13 Roger Sayle <roger@eyesopen.com>
7358 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7359 directly, instead let do_compare_rtx_and_jump handle this for us.
7360 * expr.c (expand_expr_real_1): Likewise.
7361 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7362 before do_jump_by_parts_greater.
7363 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7364 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7366 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7368 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7370 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7372 PR rtl-optimization/26235
7373 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7374 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7377 2006-02-13 Jeff Law <law@redhat.com>
7379 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7382 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7385 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7386 twice if decl is a builtin. When trying again, call get_callee_fndecl
7387 first to verify it is still a builtin.
7389 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7391 * dwarf2out.c (base_type_die): Don't add AT_name here.
7392 (subrange_type_die): Don't add AT_name here.
7393 (modified_type_die): Rearrange code flow. Do add AT_name here.
7395 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7397 PR rtl-optimization/26247
7398 PR rtl-optimization/26248
7399 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7401 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7403 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7404 * config/fixtfdi.c: Likewise.
7405 * config/fixunstfdi.c: Likewise.
7406 * config/floatditf.c: Likewise.
7408 2006-02-13 Roger Sayle <roger@eyesopen.com>
7411 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7412 into (X,C2) if C1 is a subset of the bits of C2. Transform
7413 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7415 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7417 2006-02-13 Josh Conner <jconner@apple.com>
7420 * varasm.c (function_section): Check for section name before
7421 calling select_section on targets that define
7422 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7423 unlikely_text_section instead of hot_function_section if
7424 first_function_block_is_cold.
7426 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7429 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7431 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7433 PR rtl-optimization/26222
7434 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7435 after tree->rtl expansion.
7436 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7437 before passing it to emit_move_insn.
7439 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7441 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7443 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7444 Clarify documentation.
7445 * c-common.h (warn_write_strings): Remove.
7446 * c-common.c (warn_write_strings): Likewise.
7447 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7450 2006-02-12 Roger Sayle <roger@eyesopen.com>
7453 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7454 (do_jump_parts_zero_rtx): New function renamed from
7455 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7456 (do_jump_parts_equality_rtx): New function split out from
7457 do_jump_parts_equality. Old implementation renamed as above.
7458 Call do_jump_parts_zero_rtx if either operand is zero.
7459 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7460 do all of the heavy lifting.
7461 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7462 calling either do_jump_by_parts_greater_rtx or
7463 do_jump_by_parts_equality_rtx.
7464 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7465 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7466 moved to do_compare_rtx_and_jump, call it directly.
7467 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7468 mode argument. Call do_compare_rtx_and_jump.
7469 (emit_case_nodes): Update calls to do_jump_if_equal.
7471 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7473 PR rtl-optimization/26225
7474 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7476 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7478 PR rtl-optimization/26232
7479 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7481 2006-02-11 Jason Merrill <jason@redhat.com>
7484 * tree-inline.c (declare_return_variable): Just don't use the
7485 modify target if it's a gimple complex reg and the return slot
7488 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7490 * doc/contrib.texi: Update my entry.
7492 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7494 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7496 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7498 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7501 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7503 * doc/invoke.texi (-floop-optimize2): Removed.
7504 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7505 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7506 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7507 * common.opt (floop-optimize2): Removed.
7508 (fmove-loop-invariants): Enabled by default.
7510 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7512 * tree-if-conv.c (combine_blocks): Free the result of
7513 get_loop_exit_edges.
7515 2006-02-10 Jeff Law <law@redhat.com>
7517 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7519 PR tree-optimization/26213
7520 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7521 loop trying to follow SSA_NAME_VALUE chains.
7523 2006-02-10 Richard Guenther <rguenther@suse.de>
7525 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7526 deal with structures that end in implicitly variable sized arrays.
7528 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7530 PR rtl-optimization/24762
7531 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7534 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7536 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7537 (struct ivopts_data): Add regs_used field.
7538 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7539 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7540 instead of loop_data->regs_used;
7541 (free_loop_data): Do not free aux fields for loops.
7542 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7543 and tree_ssa_iv_optimize_finalize.
7545 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7547 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7549 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7552 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7553 computing the effective result type.
7555 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7558 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7559 (tree_overlaps_hard_reg_set): Declare.
7560 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7561 type and signature to match function type expected by walk_tree.
7562 (tree_overlaps_hard_reg_set): New function.
7563 (decl_conflicts_with_clobbers_p): Rename to:
7564 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7565 Use tree_overlaps_hard_reg_set. Changed caller.
7566 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7567 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7568 * cris.c (cris_md_asm_clobbers): Likewise.
7570 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7572 * reload1.c (emit_input_reload_insns): Delete code that tries to
7573 inherit using find_equiv_reg.
7575 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7577 * c-common.h (flag_const_strings): Don't declare.
7578 * c-common.c (flag_const_strings): Remove.
7579 * c.opt (fconst_strings): Remove.
7580 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7581 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7582 (c_common_init_options): Don't set flag_const_strings.
7583 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7585 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7587 * arm.md (tlobits_cbranch): New pattern.
7588 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7589 testing a single bit.
7591 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7594 * tree-ssa-pre.c (create_component_ref_by_pieces):
7595 Handle RETURN_DECL like VAR_DECL.
7597 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7600 * fold-const.c (fold_indirect_ref_1): Fold
7601 "*(foo *)&complexfoo" to "__real__ complexfoo"
7602 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7604 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7606 * tree-flow-inline.h (var_can_have_subvars):
7607 Volatile variables should not have subvariables.
7609 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7612 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7613 multiplying unsigned values.
7616 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7618 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7620 2006-02-08 Jason Merrill <jason@redhat.com>
7623 * tree.def: Elaborate on difference from MODIFY_EXPR.
7624 * doc/c-tree.texi (INIT_EXPR): Likewise.
7625 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7626 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7627 (gimplify_target_expr): Likewise.
7628 (gimplify_cond_expr): Remove target handling.
7629 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7630 (gimplify_expr): Clobber it here.
7631 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7632 Do return slot optimization if we have an INIT_EXPR.
7635 * tree-inline.c (declare_return_variable): Also clear
7636 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7639 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7642 * gimplify.c (gimplify_one_sizepos): Fix typo.
7644 2006-02-08 Jeff Law <law@redhat.com>
7646 PR tree-optimization/21417
7647 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7648 across a backedge if the control statement at the end of the
7649 block is data dependent on other statements in the same block.
7650 (record_temporary_equivalences_from_stmts): Remove over-conservative
7651 test for threading across backedges.
7653 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7654 control statement, handle all three special cases in the same
7655 manner as they all have the same desired solution. No longer
7656 special case edge flag updating when the post dominator is
7659 2006-02-08 Roger Sayle <roger@eyesopen.com>
7661 * tree.def (CHAR_TYPE): Remove.
7662 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7663 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7664 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7665 (gen_string_type_die): Delete unreachable function.
7667 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7668 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7669 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7670 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7671 * builtins.c (type_to_class): Likewise.
7672 * fold-const.c (fold_convert, build_range_check,
7673 merge_ranges): Likewise.
7674 * expr.c (count_type_elements): Likewise.
7675 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7676 * stor-layout.c (layout_type): Likewise.
7677 * ipa-type-escape.c (type_to_consider): Likewise.
7678 * gimplify.c (omp_firstprivatize_type_sizes,
7679 gimplify_type_sizes): Likewise.
7680 * explow.c (promote_mode): Likewise.
7681 * tree-sra.c (is_sra_scalar_type): Likewise.
7682 * varasm.c (output_constant): Likewise.
7683 * tree-inline.c (remap_type_1): Likewise.
7684 * convert.c (convert_to_pointer, convert_to_real,
7685 convert_to_integer, convert_to_complex): Likewise.
7687 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7689 * df-scan.c (df_def_record_1): A set destination may
7690 be a parallel regardless of mode.
7692 2006-02-08 Roger Sayle <roger@eyesopen.com>
7695 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7696 * config/mips/_tilib.c: Remove.
7697 * config/fixtfdi.c: New libgcc source file.
7698 * config/fixunstfdi.c: New source file.
7699 * config/floatditf.c: New source file.
7700 * config/floatunditf.c: New souce file.
7701 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7702 files above instead of config/mips/_tilib.c.
7703 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7705 2006-02-08 Jeff Law <law@redhat.com>
7707 PR tree-optimization/26169
7708 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7711 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7713 * df.h (DF_REG_SIZE): Return the length of the initialized
7716 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7718 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7719 __muldf3): Return a correctly signed zero.
7721 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7723 * passes.c (register_one_dump_file): Accept the current properties
7724 instead of pass number. Adjust call to dump_register. Remove
7726 (register_dump_files): Now a wrapper around...
7727 (register_dump_files_1): ... this one. Do not modify the pass
7729 (next_pass_1): Cosmetic fix.
7730 (execute_todo): Keep second parameter only. Use curr_properties
7731 instead of fetching it from the pass structure. Check and set
7733 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7734 instead of fetching it from the pass structure. Fix calls to
7735 execute_todo. Update curr_properties and initialize .vcg RTL dump
7736 after running the pass. Reset last_verified.
7737 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7739 (FIRST_AUTO_NUMBERED_DUMP): New.
7740 (dump_register): Remove "num" parameter, assign it within the
7742 (get_dump_file_name): Modify template for dumps.
7743 * tree-dump.h (dump_register): Adjust prototype.
7744 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7745 (PROP_trees): Add PROP_gimple_lomp.
7746 (TODO_set_props): New.
7747 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7748 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7749 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7751 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7753 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7754 (sparc64-*-linux*): Likewise.
7755 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7756 * config/sparc/t-linux: New file.
7757 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7758 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7759 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7760 -m32 -mlong-double-128.
7762 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7763 * config/alpha/t-linux: New file.
7764 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7766 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7767 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7768 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7769 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7770 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7771 (CPP_ARCH32_SPEC): Remove.
7773 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7775 PR tree-optimization/26145
7776 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7779 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7782 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7783 >= 240000 when generating code for SOM runtime.
7784 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7785 to $$dyncall when generating code for SOM runtime..
7787 2006-02-07 Dirk Mueller <dmueller@suse.com>
7790 * doc/invoke.texi (-Wsequence-point): Update documentation
7791 that -Wsequence-point is implemented for C++ as well.
7793 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7795 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7796 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7797 (LIB_SPEC): Likewise.
7798 * doc/invoke.texi (SPARC options): Document -pthread.
7800 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7802 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7805 2006-02-07 Roger Sayle <roger@eyesopen.com>
7807 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7808 Correct comment describing BOOLEAN_TYPE.
7810 2006-02-07 Dirk Mueller <dmueller@suse.com>
7812 * c.opt: C++ frontend supports -Wdiv-by-zero.
7813 * c-opts.c (c_common_handle_option): Remove dead case.
7815 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7817 * configure.ac (TLS assembler check): Do not enable TLS by
7818 default on SPARC/Solaris before version 10.
7819 * configure: Regenerate.
7821 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7823 * doc/invoke.texi (xl-compat): Document conversion and support
7826 2006-02-07 Jeff Law <law@redhat.com>
7828 * tree-vrp.c (find_conditional_asserts): Update comments.
7829 (simplify_stmt_for_jump_threading): New.
7830 (identify_jump_threads, finalize_jump_threads): New.
7831 (vrp_finalize): Call identify_jump_threads.
7832 (execute_vrp): Call finalize_jump_threads.
7833 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7834 (vrp_element, vrp_data, vrp_element_p): Remove.
7835 (vrp_hash_elt, vrp_variables_stack): Remove.
7836 (vrp_hash, vrp_eq, record_range): Remove.
7837 (simplify_cond_and_lookup_avail_expr): Remove.
7838 (extract_range_from_cond): Remove.
7839 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7840 (simplify_stmt_for_jump_threading): New.
7841 (dom_thread_across_edge): New wrapper.
7842 (tree_ssa_dominator_optimize): No longer initialize or
7843 finalize any of the VRP datastructures. Remove iteration
7844 step and simplify as a result of removal of iteration step.
7845 (pass_dominator): Perform a cfg cleanup after DOM.
7846 (dom_opt_finalize_block): Use the new common routines
7847 for threading jumps. Simplify stack management slightly.
7848 No longer need to unwind VRP state.
7849 (record_equivalences_from_incoming_edge): No longer record
7851 (eliminate_redundant_computations): No longer call
7852 simplify_cond_and_lookup_avail_expr.
7853 * tree-flow.h (potentially_threadable_block): Prototype.
7854 (thread_across_edge): Likewise.
7855 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7856 (tree-ssa-threadedge.o): Add dependencies.
7857 * tree-ssa-threadedge.c: New file.
7858 * passes.c (init_optimization_passes): Merge PHIs before
7859 calling VRP. Run VRP again late in the SSA optimization pipeline.
7861 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7863 * df-core.c (df_set_blocks): Do not dereference function pointers.
7864 (df_finish1): Likewise.
7865 (df_hybrid_search_forward): Likewise.
7866 (df_hybrid_search_backward): Likewise.
7867 (df_iterative_dataflow): Likewise.
7868 (df_analyze_problem): Likewise.
7869 (df_compact_blocks): Likewise.
7870 (df_dump): Likewise.
7871 * df-scan.c (df_rescan_blocks): Likewise.
7872 (df_record_entry_block_defs): Likewise.
7874 * genconditions.c (write_conditions): Guard the definition of
7875 'insn_conditions' with the check on GCC version.
7876 (write_writer): Guard the traversal 'insn_conditions' with
7877 the check on GCC version.
7879 2006-02-07 Richard Guenther <rguenther@suse.de>
7883 2006-01-30 Richard Guenther <rguenther@suse.de>
7885 * gimplify.c (gimplify_target_expr): Handle easy cases
7886 without creating a temporary.
7888 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7890 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7891 use of float in probability computations. Use edge probabilities
7892 in place of statically computed probabilities.
7893 (min_spec_prob): New static variable.
7894 (schedule_insns): Initialize it.
7895 (GET_SRC_PROB): Removed.
7896 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7898 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7901 * config/ia64/unwind-ia64.c: Revert last change.
7902 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7903 (INCOMING_FRAME_SP_OFFSET): Define.
7905 2006-02-06 Roger Sayle <roger@eyesopen.com>
7907 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7909 2006-02-07 Ben Elliston <bje@au.ibm.com>
7911 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7912 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7913 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7914 (ix86_return_in_memory): Handle TDmode.
7915 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7916 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7918 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7920 * reorg.c (dbr_schedule): Use dump_file instead of file.
7922 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7925 * config/ia64/predicates.md (extr_len_operand): New predicate.
7926 * config/ia64/ia64.md (extv): Tighten constraints.
7928 (*tbit_and_2): Ditto.
7929 (*tbit_and_3): Ditto.
7930 (*tbit_or_2): Ditto.
7931 (*tbit_or_3): Ditto.
7935 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7938 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7940 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7942 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7943 loop_optimizer_init and loop_optimizer_finalize
7944 * tree-ssa-sink.c (execute_sink_code): Ditto.
7945 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7946 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7947 tree_ssa_loop_done): Ditto.
7948 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7949 * sched-ebb.c: Include output.h.
7950 (schedule_ebbs): Do not use dump argument.
7951 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7952 * loop.c (loop_dump_stream): Removed.
7953 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7955 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7956 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7957 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7958 loop_iterations, strength_reduce, record_biv, record_giv,
7959 final_giv_value, check_final_value, check_ext_dependent_givs,
7960 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7961 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7962 dump_file instead of loop_dump_stream.
7963 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7965 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7967 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7968 * haifa-sched.c: Include output.h
7969 (schedule_insns, sched_init): Do not use dump argument.
7970 * mode-switching.c (optimize_mode_switching): Ditto.
7971 * modulo-sched.c (stats_file): Removed.
7972 (print_node_sched_params): Do not call argument dump_file.
7973 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7974 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7976 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7978 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7979 rtl_loop_init, rtl_loop_done): Ditto.
7980 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7981 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7983 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7984 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7985 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7986 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7987 * emit-rtl.c (renumber_insns): Ditto.
7988 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7989 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7990 * regclass.c (regclass): Ditto.
7991 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7992 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7993 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7994 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7996 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7997 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7999 * gcse.c (gcse_file, debug_stderr): Removed.
8000 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8001 rest_of_handle_gcse): Do not use dump argument.
8002 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8003 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8004 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8005 compute_code_hoist_vbeinout, compute_code_hoist_data,
8006 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8007 compute_store_table, build_store_vectors, insert_insn_start_bb,
8008 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8009 store_motion): Use dump_file instead of gcse_file.
8010 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8011 * profile.c (profile_dump_file): Removed.
8012 (branch_prob): Use dump_file instead of profile_dump_file.
8013 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8015 * tree-ssa-copy.c (dump_copy_of): Ditto.
8016 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8017 dump file to life_analysis.
8018 * bt-load.c (branch_target_load_optimize): Ditto.
8019 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8021 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8022 regclass, dbr_schedule): Declaration changed.
8023 * sched-int.h (sched_init): Declaration changed.
8024 * tree-profile.c (tree_profile_dump_file): Removed.
8025 (tree_profile_hooks): Removed profile_dump_file hook.
8026 * rtl-profile (rtl_profile_dump_file): Removed.
8027 (rtl_profile_hooks): emoved profile_dump_file hook.
8028 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8030 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8031 * tree-cfg.c (build_tree_cfg): Ditto.
8032 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8033 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8034 Declaration changed.
8035 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8036 life_analysis and schedule_insns.
8037 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8039 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8041 * config/mips/mips.c (mips_reorg): Ditto.
8042 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8045 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8047 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8048 (s390_mangle_fundamental_type): New.
8049 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8052 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8053 (alpha_mangle_fundamental_type): New.
8054 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8057 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8059 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8061 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8062 (sparc_mangle_fundamental_type): New.
8064 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8066 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8067 (s390x-*-linux*): Likewise.
8068 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8069 * config/s390/t-linux: New file.
8071 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8073 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8074 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8076 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8078 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8079 (ANTIC_SAFE_LOADS): New macro.
8080 (find_or_generate_expression): Add prototype.
8081 (set_contains_value): Allow null set for sake of not always having
8082 to allocate ANTIC_SAFE_LOADS.
8083 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8084 Allow COMPONENT_REF too.
8085 (valid_in_set): Allow COMPONENT_REF.
8086 Check ANTIC_SAFE_LOADS too.
8087 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8088 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8090 (can_PRE_operation): Add COMPONENT_REF.
8091 (create_component_ref_by_pieces): New function.
8092 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8093 (insert_aux): Move AGGREGATE_TYPE_P check here.
8094 (compute_avail): Set bb local stmt uids.
8095 (pass_pre): Use TODO_update_ssa_only_virtuals.
8097 2006-02-06 Ben Elliston <bje@au.ibm.com>
8099 * configure.ac: Unconditionally disable decimal float by default.
8100 * configure: Regenerate.
8102 2006-02-06 Ben Elliston <bje@au.ibm.com>
8104 * read-rtl.c (read_name): Terminate reading on EOF.
8106 2006-02-06 Ben Elliston <bje@au.ibm.com>
8108 * dfp.c (decimal_real_arithmetic): Change second argument type
8109 from int to enum tree_code. Do not always return true, but now
8110 return result of any call to decimal_do helper functions.
8111 * dfp.h (decimal_real_arithmetic): Update prototype.
8113 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8115 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8117 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8120 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8123 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8125 * tree-vrp.c (cfg_loops): Removed.
8126 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8127 Use current_loops instead of cfg_loops. Pass flags to
8128 loop_optimizer_init.
8129 * cfgloopmanip.c (fix_loop_structure): Update only available
8131 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8132 loop_optimizer_init.
8133 * modulo-sched.c (build_loops_structure): Removed.
8134 (sms_schedule): Use loop_optimizer_init.
8135 * loop-init.c (loop_optimizer_init): Use flags to determine
8136 which properties of loops to prepare.
8137 (rtl_loop_init): Pass flags to loop_optimizer_init.
8138 * tree-ssa-sink.c (execute_sink_code): Ditto.
8139 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8140 * tree-ssa-pre.c (init_pre): Ditto.
8141 * cfgloop.h (LOOPS_NORMAL): New.
8142 (loop_optimizer_init): Declaration changed.
8144 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8146 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8147 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8149 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8151 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8153 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8154 * pa/t-pa64: Delete quadlib.c rule.
8155 * pa/x-ada: Revert last change.
8156 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8158 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8160 PR rtl-optimization/26087
8161 * rtlanal.c (canonicalize_condition): Do not cross basic block
8164 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8167 * config/ia64/ia64.c: Include debug.h.
8168 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8169 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8170 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8171 (process_epilogue, process_set, process_for_unwind_directive):
8172 Output unwind info only if requested. Add CFA info if requested.
8173 Add new arguments as needed. Adjust callers.
8174 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8176 (DWARF2_FRAME_INFO): Define to zero.
8177 * config/ia64/unwind-ia64.c: Remove code that compensated for
8178 the CFA offset error fixed above.
8179 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8180 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8181 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8182 -funwind-tables and -fexceptions to enable frame info.
8183 (dwarf2out_frame_init): Define initial CFA even if
8184 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8185 DWARF2_UNWIND_INFO is nonzero, not just defined.
8186 (dwarf2out_frame_finish): Output non-EH call frame info only
8187 if DWARF2_FRAME_INFO is nonzero.
8188 (convert_cfa_to_loc_list,
8189 compute_frame_pointer_to_cfa_displacement): Define even if
8190 unwind info is not supported.
8191 (gen_subprogram_die): Use the above unconditionally. Remove
8192 legacy alternate code.
8193 * toplev.c (compile_file): Compile in call to
8194 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8195 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8197 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8198 Jakub Jelinek <jakub@redhat.com>
8200 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8201 IBM extended float format long double as "g" on powerpc*-linux.
8203 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8206 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8207 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8209 2006-02-03 Jason Merrill <jason@redhat.com>
8212 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8215 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8216 on the return slot if it's an NRV.
8218 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8220 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8221 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8222 rewrite_use): Do not handle USE_OUTER.
8223 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8224 add_iv_outer_candidates, may_replace_final_value,
8225 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8226 (find_interesting_uses_op): Functionality of
8227 find_interesting_uses_outer_or_nonlin moved here.
8228 (find_interesting_uses_outside): Use find_interesting_uses_op.
8230 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8233 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8235 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8236 Ulrich Weigand <uweigand@de.ibm.com>
8239 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8240 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8241 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8242 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8244 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8245 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8246 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8247 Define secondary reloads for TFmode moves.
8248 (constant_modes): Add TFmode.
8249 (NR_C_MODES): Set to 8.
8250 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8252 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8253 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8254 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8255 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8256 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8257 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8258 (FPR mode macro): Add TFmode.
8259 (DSF mode macro): New.
8260 (<de>, <dee> mode attributes): Removed.
8261 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8262 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8263 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8264 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8265 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8266 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8267 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8268 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8269 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8270 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8271 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8272 "*negabs<mode>2", "sqrt<mode>2"):
8273 Changed <de> to <xde>. R constraint replaced by <Rf>.
8274 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8276 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8277 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8278 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8280 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8281 "extenddftf2", "extendsftf2"): New expanders.
8282 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8283 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8284 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8285 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8287 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8288 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8289 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8290 __floatditf): Add a GCC_4.1.0 symbol version tag.
8291 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8294 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8297 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8298 Use targetm.binds_local_p instead of TREE_PUBLIC.
8300 2006-02-02 Roger Sayle <roger@eyesopen.com>
8302 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8303 on INTEGER_TYPEs to indicate that it denotes a character type.
8304 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8305 signed_char_type_node, unsigned_char_type_node and char_type_node.
8306 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8307 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8308 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8310 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8311 Daniel Berlin <dberlin@dberlin.org>
8313 * tree-tailcall.c (arg_needs_copy_p): New function.
8314 (eliminate_tail_call): Use arg_needs_copy_p.
8315 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8316 (add_virtual_phis): New function.
8318 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8320 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8321 #ignore instead of #scratch for %g7 .register directive.
8323 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8325 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8328 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8330 * flow.c (calculate_global_regs_live): Assert that there aren't any
8333 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8335 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8337 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8338 bsi_after_labels iterator.
8339 * tree-if-conv.c (find_phi_replacement_condition,
8340 replace_phi_with_cond_modify_expr): Likewise.
8341 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8342 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8344 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8346 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8348 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8351 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8352 array after growing it.
8354 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8357 * fold-const.c (fold_checksum_tree): Change type of buf.
8359 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8361 * reload.c (push_secondary_reload): Initialize t_icode.
8363 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8365 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8366 -msoft-float -mlong-double-128 only issue a warning, but don't
8367 swich to DFmode long double.
8369 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8371 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8372 has a constant equivalent, iterate over equivalents for arg0,
8373 calling simplify_relational_operation and if there's a result
8374 cheaper than X, apply fold_rtx and return the result.
8376 2006-02-01 Jan Hubicka <jh@suse.cz>
8378 * opts.c (no_unit_at_a_time_default): New global variable.
8379 (decode_options): Use it.
8380 * opts.h (no_unit_at_a_time_default): Declare.
8382 2006-02-01 Paul Brook <paul@codesourcery.com>
8384 * function.c (assign_parm_setup_reg): Use function argument promotion
8386 * expr.c (expand_expr_real_1): Use function argument promotion rules
8389 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8391 * gcc.c (process_command): Change j to 'unsigned int'.
8393 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8396 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8397 Use the corrected index for the character
8398 out of the string constant.
8400 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8402 * mode-switching.c (optimize_mode_switching): Fix size
8403 allocated for bb_info[n_entities].
8405 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8407 * gcc.c (main): Correct type that is allocated for
8408 explicit_link_files.
8410 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8412 * config/s390/s390.c (init_alignment_context): Set
8413 ALIAS_SET_MEMORY_BARRIER on the MEM.
8414 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8416 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8419 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8421 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8424 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8426 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8427 * regrename.c: Ditto.
8428 * tree-ssa-loop-im.c: Ditto.
8429 * tree-dump.c: Ditto.
8430 * tree-complex.c: Ditto.
8431 * genrecog.c: Ditto.
8432 * tree-ssa-threadupdate.c: Ditto.
8434 * java/class.c: Ditto.
8435 * java/jcf-parse.c: Ditto.
8436 * java/resource.c: Ditto.
8437 * java/except.c: Ditto.
8438 * java/jvspec.c: Ditto.
8439 * java/jcf-write.c: Ditto.
8440 * java/jcf-path.c: Ditto.
8441 * java/gjavah.c: Ditto.
8442 * java/zextract.c: Ditto.
8443 * java/jcf-io.c: Ditto.
8444 * java/jcf.h: Ditto.
8445 * java/buffer.c: Ditto.
8446 * java/lang.c: Ditto.
8447 * java/parse-scan.y: Ditto.
8448 * java/lex.c: Ditto.
8449 * java/lex.h: Ditto.
8450 * cfgloopmanip.c: Ditto.
8451 * postreload-gcse.c: Ditto.
8452 * tree-ssa-loop-manip.c: Ditto.
8453 * postreload.c: Ditto.
8454 * tree-ssa-loop-ch.c: Ditto.
8458 * diagnostic.c: Ditto.
8460 * genoutput.c: Ditto.
8462 * cfghooks.c: Ditto.
8463 * cfgloopanal.c: Ditto.
8464 * objc/objc-act.c: Ditto.
8466 * genextract.c: Ditto.
8467 * genautomata.c: Ditto.
8468 * pretty-print.c: Ditto.
8470 * cgraphunit.c: Ditto.
8473 * haifa-sched.c: Ditto.
8474 * dominance.c: Ditto.
8476 * tree-ssa-loop-ivopts.c: Ditto.
8478 * mode-switching.c: Ditto.
8479 * modulo-sched.c: Ditto.
8481 * ipa-pure-const.c: Ditto.
8483 * fix-header.c: Ditto.
8485 * tree-stdarg.c: Ditto.
8486 * ipa-utils.c: Ditto.
8487 * loop-init.c: Ditto.
8488 * ipa-inline.c: Ditto.
8491 * alloc-pool.c: Ditto.
8492 * dwarf2out.c: Ditto.
8494 * genattrtab.c: Ditto.
8495 * tree-ssa-loop-ivcanon.c: Ditto.
8499 * fortran/gfortranspec.c: Ditto.
8501 * local-alloc.c: Ditto.
8502 * langhooks.c: Ditto.
8503 * function.c: Ditto.
8504 * tree-vectorizer.c: Ditto.
8506 * ipa-type-escape.c: Ditto.
8508 * tree-if-conv.c: Ditto.
8511 * tree-data-ref.c: Ditto.
8512 * loop-unroll.c: Ditto.
8513 * treelang/treetree.c: Ditto.
8516 * ggc-common.c: Ditto.
8518 * coverage.c: Ditto.
8520 * tree-cfgcleanup.c: Ditto.
8521 * tree-ssa-pre.c: Ditto.
8522 * cfgcleanup.c: Ditto.
8523 * loop-invariant.c: Ditto.
8525 * ipa-prop.c: Ditto.
8526 * print-tree.c: Ditto.
8527 * conflict.c: Ditto.
8528 * ggc-page.c: Ditto.
8529 * sched-deps.c: Ditto.
8530 * regclass.c: Ditto.
8531 * tree-object-size.c: Ditto.
8533 * bb-reorder.c: Ditto.
8534 * resource.c: Ditto.
8535 * var-tracking.c: Ditto.
8537 * df-problems.c: Ditto.
8538 * reg-stack.c: Ditto.
8541 * sched-rgn.c: Ditto.
8542 * tree-ssa-structalias.c: Ditto.
8543 * tree-ssa-reassoc.c: Ditto.
8544 * config/darwin-c.c: Ditto.
8545 * config/darwin.c: Ditto.
8546 * config/arm/arm.c: Ditto.
8548 * collect2.c: Ditto.
8551 2006-01-31 Nicolas Pitre <nico@cam.org>
8553 * arm.md (smaxsi3): Make aware of smax_m1.
8556 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8558 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8560 2006-01-31 Richard Guenther <rguenther@suse.de>
8562 * doc/invoke.texi (-msselibm): Document.
8563 * target.h (expand_library_builtin): New target hook.
8564 * builtins.c (expand_builtin): Use expand_library_builtin.
8565 (default_expand_library_builtin): New function.
8566 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8567 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8568 (link_gcc_math_spec): Declare.
8569 (static_specs): Add link_gcc_math_spec.
8570 * expr.h (default_expand_library_builtin): Declare.
8571 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8572 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8573 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8574 * config/i386/i386.opt (msselibm): New target option.
8575 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8576 (ix86_init_sse_abi_builtins): New function.
8577 (ix86_expand_library_builtin): Likewise.
8578 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8579 (override_options): Handle error conditions wrt -msselibm.
8580 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8581 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8582 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8585 2006-01-31 Richard Guenther <rguenther@suse.de>
8586 Paolo Bonzini <bonzini@gnu.org>
8588 * doc/install.texi (--disable-libgcc-math): Document.
8590 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8592 * expr.h (expand_normal): new inline function.
8593 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8595 * dwarf2out.c: use it.
8600 * config/sparc/sparc.c: use it.
8601 * config/i386/i386.c: use it.
8602 * config/rs6000/rs6000.c: use it.
8603 * config/arm/arm.c: use it.
8604 * config/mips/mips.c: use it.
8605 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8607 2006-01-30 Roger Sayle <roger@eyesopen.com>
8609 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8610 argv to the appropriate type.
8612 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8614 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8617 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8620 * config/s390/s390.c (struct machine_function): New flag
8621 decomposed_literal_pool_addresses_ok_p.
8622 (s390_reorg): Set it before final stage of literal pool transforms.
8623 (s390_decompose_address): Only accept displacements of the form
8624 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8626 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8628 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8629 the comparison routine return.
8631 2006-01-30 Michael Matz <matz@suse.de>
8633 * global.c (find_reg): Only evict for global regs.
8634 Take n_refs into account and dump more info.
8636 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8639 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8640 (pragma_trap, pragma_nosave_low_regs): Likewise.
8641 (current_function_anonymous_args): Likewise.
8642 (sh_deferred_function_attributes): New variable.
8643 (sh_deferred_function_attributes_tail): Likewise.
8644 (print_operand): For '@', look up trap_exit attribute.
8645 (calc_live_regs): Look up trapa_handler attribute. For trapa
8646 handlers, save/restore fpscr, but don't do any other
8647 interrupt-specific saves.
8648 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8649 Fix check for partially saved registers to check for SHmedia.
8650 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8651 (sh_output_function_epilogue): Don't clear any of the removed
8653 (sh_insert_attributes): Don't check pragma_interrupt.
8654 Insert deferred attributes. Check that interrupt attribute is
8655 present for other attributes that require its presence.
8656 (sh_attribute_table): Add new attributes trapa_handler and
8658 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8659 Don't check for pragma_interrupt. Don't store argument.
8660 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8661 (sh_deferred_function_attributes): Declare.
8662 (sh_deferred_function_attributes_tail): Likewise.
8663 * sh.md (sp_switch_1): Add operand. Change generator caller.
8664 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8665 (*return_i): Don't use when trap_exit attribute is in effect.
8666 (*return_trapa): New insn pattern.
8668 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8669 setting c_target_objs and cxx_target_objs.
8670 * t-sh: Add rule for sh-c.o.
8672 2006-01-30 Richard Guenther <rguenther@suse.de>
8675 * gimplify.c (gimplify_target_expr): Handle easy cases
8676 without creating a temporary.
8678 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8680 * vec.h (safe_grow): Remove duplicated line.
8682 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8685 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8686 (expand_omp): ... here.
8687 (expand_omp_parallel): Only remove barriers for combined
8688 parallel+workshare constructs.
8690 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8694 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8695 * tree.c (build_qualified_type): Chain the new type to the original
8696 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8697 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8698 (build_pointer_type_for_mode): Only return unqualified types.
8699 (build_reference_type_for_mode): Likewise.
8701 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8703 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8704 * Makefile.in (CXX_COMPAT_WARN): Define.
8705 * configure: Regenerate.
8707 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8710 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8713 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8715 * toplev.c: Fix thinko.
8717 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8718 Marcin Dalecki <martin@dalecki.de>
8720 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8721 (push_srcloc): Use XNEW.
8722 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8724 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8726 * df-core.c (df_set_blocks): Deleted all variable.
8728 2006-01-28 Ian Lance Taylor <ian@airs.com>
8730 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8731 cgraph_output_pending_asms.
8733 2006-01-28 Zack Weinberg <zackw@panix.com>
8735 * c.opt: Add -W(no-)overlength-strings.
8736 * doc/invoke.texi: Document it.
8737 * c-opts.c (c_common_handle_option): -pedantic implies
8738 -Woverlength-strings, if not explicitly disabled already.
8739 (c_common_post_options): -Woverlength-strings defaults to off, and
8740 is always off for C++.
8741 * c-common.c (fix_string_type): Issue warning about strings longer
8742 than is portable only if warn_overlength_strings. Rearrange code
8743 a little for clarity.
8744 * configure.in: Check for -Wno-overlength-strings as well before
8745 enabling -pedantic in stage 1.
8746 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8747 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8749 * genconditions.c (write_header, write_one_condition)
8750 (write_conditions, write_writer): Consolidate very long strings
8751 that were broken up to fit in C89 portable limit. Don't use
8752 printf when fputs will do.
8754 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8756 * combine.c (simplify_comparison <AND>): Check
8757 TRULY_NOOP_TRUNCATION before start using a subreg.
8759 * config/mips/mips.md (*branch_zero<mode>,
8760 *branch_zero<mode>_inverted, *branch_equality<mode>,
8761 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8762 Remove mode check from comparisons.
8764 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8766 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8768 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8770 * expmed.c (const_mult_add_overflow_p): Remove.
8771 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8773 * recog.c (validate_replace_rtx_subexp): Remove.
8774 * recog.h: Remove the prototype for
8775 validate_replace_rtx_subexp.
8777 * integrate.h: Remove the prototype for
8778 copy_decl_for_inlining.
8779 * rtl.h: Remove the prototype for mark_constant_function.
8780 * tree-vectorizer.h: Remove the prototype for
8781 vect_strip_conversion.
8783 * modulo-sched.c (create_partial_schedule,
8784 free_partial_schedule, reset_partial_schedule): Make them
8787 * hooks.c (hook_bool_rtx_int_false): Remove.
8788 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8790 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8792 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8793 and -mlong-double-128 are incompatible.
8794 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8795 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8796 (TARGET_LIBGCC2_CFLAGS): Define.
8797 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8798 (TARGET_LIBGCC2_CFLAGS): Same.
8799 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8801 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8804 * c-typeck.c (build_binary_op): Perform implicit casts of
8805 operands before shortening them.
8807 * cfgloopmanip.c (split_loop_bb): Remove.
8808 * cfgloop.h: Remove the prototype for split_loop_bb.
8810 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8811 * cfgloop.h: Remove the prototype for
8812 flow_loop_outside_edge_p.
8814 * emit-rtl.c (init_virtual_regs): Make it static.
8815 * function.h: Remove the prototype for init_virtual_regs.
8817 * recog.c (peephole2_optimize): Make it static.
8818 * recog.h: Remove the prototype for peephole2_optimize.
8820 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8822 * df-scan.c (df_record_entry_block_defs): Check if
8823 INCOMING_RETURN_ADDR_RTX is defined.
8825 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8826 Kenneth Zadeck <zadeck@naturalbridge.com>
8828 PR rtl-optimization/24762
8829 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8830 * targhooks.c (hook_void_bitmap): New hook prototype.
8831 * targhoohs.h (hook_void_bitmap): Ditto.
8832 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8833 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8834 * target.h (live_on_entry): New function pointer.
8835 * df-scan.c (df_all_hard_regs): Removed.
8836 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8837 (df_scan_free_internal): Added df->entry_block_defs.
8838 (df_scan_alloc): Ditto.
8839 (df_scan_dump): Ditto.
8840 (df_uses_record): Plumbed flag field properly thru calls.
8841 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8842 This part fixes PR24762.
8843 (df_bb_refs_record): Added code to make the frame and arg
8844 pointers live in EH blocks.
8845 (df_refs_record): Added call to df_record_entry_block_defs.
8846 (df_record_entry_block_defs): New function.
8847 * df-core.c: Added comments to describe new artifical defs.
8848 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8849 (entry_block_defs): New field in struct df.
8850 (df_all_hard_regs): Deleted.
8851 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8852 * df-problems.c (df_ru_bb_local_compute_process_def):
8853 Added code to handle artifical defs in the entry to a function.
8854 (df_ru_bb_local_compute): Ditto.
8855 (df_rd_bb_local_compute_process_def): Ditto.
8856 (df_rd_bb_local_compute): Ditto.
8857 (df_lr_bb_local_compute): Ditto.
8858 (df_ur_bb_local_compute): Ditto.
8859 (df_urec_bb_local_compute): Ditto.
8860 (df_chain_create_bb): Ditto.
8861 (df_ur_local_finalize): Removed entry.
8862 (df_urec_init): Ditto.
8863 (df_urec_local_finalize): Ditto.
8864 (df_ri_bb_compute): Added detection of last use of pseudos.
8865 * Makefile.in (df-scan.o): Updated dependencies.
8866 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8867 * config/mips/mips.c (mips_set_live_on_entry): Added.
8868 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8870 * dce.c (marked_insn_p): Added code to handle artifical defs.
8872 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8874 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8876 (_mm_cvtsi128_si64): Likewise.
8877 (_mm_cvtsd_si64): Likewise.
8878 (_mm_cvttsd_si64): Likewise.
8879 (_mm_cvtsi64_sd): Likewise.
8880 (_mm_cvtsi64_si128): Likewise.
8881 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8882 (_mm_cvtsi64_m64): Likewise.
8883 (_m_to_int64): Likewise.
8884 (_mm_cvtm64_si64): Likewise.
8885 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8886 (_mm_cvttss_si64): Likewise.
8887 (_mm_cvtsi64_ss): Likewise.
8888 (_mm_cvtss_f32): Likewise.
8890 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8892 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8893 for pragma redefine_extname.
8895 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8898 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8899 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8900 -mno-minimal-toc to previous content.
8901 (bispecs): Remove goal.
8902 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8903 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8904 compatibility aliases on powerpc-*-*gnu*.
8905 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8906 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8907 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8908 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8909 (ldblspecs): New goal.
8910 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8911 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8913 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8914 L_sf_to_tf or L_df_to_tf is defined.
8916 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8917 Alan Modra <amodra@bigpond.net.au>
8920 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8921 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8922 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8923 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8924 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8925 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8926 (rs6000_override_options): Initialize rs6000_ieeequad.
8927 Initialize TFmode format to ibm_extended_format if not
8929 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8931 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8932 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8933 (function_arg_advance): IBM long double passed in two FPRs, not
8935 (function_arg): IBM long double passed in FPRs.
8936 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8937 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8938 Only multireg GPR aligned.
8939 (rs6000_init_libfuncs): Enable IBM long double functions if not
8941 (rs6000_generate_compare): Use IBM long double compare if not
8943 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8944 (TARGET_IEEEQUAD): Define.
8945 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8946 not TARGET_IEEEQUAD.
8947 * config/rs6000/rs6000.md: Enable TFmode patterns if
8949 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8950 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8951 and -mlong-double-128 are incompatible.
8952 * doc/invoke.texi (-mabi): Collect options together. Add
8953 ibmlongdouble and ieeelongdouble.
8955 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8957 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8959 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8960 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8961 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8962 * rtl.h (rtunion_def): Remove rt_ptr.
8964 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8965 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8966 * config/i386/winnt.c (i386_pe_mark_dllexport)
8967 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8969 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8971 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8973 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8977 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8978 pthread_key_delete. From John David Anglin. gthrw-ify
8979 pthread_getunique_np only if it it's not a macro. Delete
8981 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8982 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8983 __gthread_objc_condition_signal, __gthread_key_delete): Add
8984 "__attribute__ ((__unused__))" to unused arguments.
8985 (__gthread_recursive_mutex_init_function): Add missing return.
8986 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8987 gthr-posix95.h: Use macro-based approach for name redirection
8988 on targets missing weakref.
8990 2006-01-26 Zack Weinberg <zackw@panix.com>
8992 * genconditions.c (write_header): In generated code, #ifdef out
8993 all includes and fake declarations, except includes of bconfig.h
8994 and system.h, unless GCC_VERSION >= 3001. Do not include
8995 gensupport.h in any case.
8996 (write_conditions): Generate a definition of struct c_test. Add
8997 a comment to the generated #endif.
8998 (write_one_condition): Escape backslashes in string too.
8999 (write_writer): Generated code must escape backslashes and quote
9000 marks (but not newlines) in the strings it writes.
9001 * Makefile.in (build/gencondmd.o): Update dependencies.
9003 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9006 * Makefile.in (insn-automata.o): Add header file dependencies.
9007 * genautomata.c: Add includes.
9009 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9012 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9014 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9016 * configure.ac: Expect target tools paths to be passed from the toplevel
9017 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9019 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9021 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9024 * c.opt (Wpointer-sign): Init to -1.
9025 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9026 OPT_pedantic, to 0 otherwise.
9027 * doc/invoke.texi: Update.
9029 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9031 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9032 constants provided by 80387 instructions in the destination mode.
9034 2006-01-26 Richard Guenther <rguenther@suse.de>
9035 Andrew Pinski <pinskia@physics.uc.edu>
9038 partial PR tree-opt/17064
9039 * tree-ssa-structalias.c (intra_create_variable_infos):
9040 Create heap variables for incoming parameters if
9041 flag_argument_noalias > 1.
9042 (find_what_p_points_to): Look through default defs of
9045 2006-01-26 Jeff Law <law@redhat.com>
9048 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9049 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9050 within the VR_RANGE, use the VR_RANGE as the result, not the
9052 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9053 bounds for the type.
9055 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9057 * tree-ssa-alias.c (maybe_create_global_var): Change
9058 subvar walking to an assertion that we don't have subvar'd variables.
9060 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9063 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9064 Use a new variable, inner. PARM_DECLs are always non-weak.
9066 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9068 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9071 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9073 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9075 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9077 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9078 (smax_insn, smin_insn, smax_0, smin_0): New.
9080 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9083 * config/cris/cris.c (cris_order_for_addsi3): New function.
9084 * config/cris/cris-protos.h: Prototype it.
9085 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9086 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9087 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9088 (split for "op.S1 [rx=rx+i],ry (swapped)")
9089 (split for "op(s|u).S1 [rx=rx+i],ry")
9090 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9091 Apply cris_order_for_addsi3 when generating addsi3 insns.
9093 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9095 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9096 (TREE_BLOCK): Add call to EXPR_CHECK.
9098 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9101 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9102 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9103 (dump_omp_clauses): ... here.
9104 (dump_generic_node): Handle OMP_CLAUSE.
9105 * tree.c (omp_clause_num_ops): New.
9106 (omp_clause_code_name): New.
9107 (tree_code_size): Handle OMP_CLAUSE.
9108 (tree_size): Likewise.
9109 (make_node): Document handling of OMP_CLAUSE.
9110 (tree_node_structure): Handle OMP_CLAUSE.
9111 (omp_clause_check_failed): New.
9112 (omp_clause_range_check_failed): New.
9113 (omp_clause_operand_check_failed): New.
9114 (build_omp_clause): New.
9115 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9116 * tree.h (enum omp_clause_code): Declare.
9117 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9118 (OMP_CLAUSE_RANGE_CHECK): Define.
9119 (OMP_CLAUSE_ELT_CHECK): Define.
9120 (omp_clause_check_failed): Declare.
9121 (omp_clause_operand_check_failed): Declare.
9122 (omp_clause_range_check_failed): Declare.
9123 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9124 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9125 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9126 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9127 (OMP_CLAUSE_IF_EXPR): Likewise.
9128 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9129 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9130 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9131 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9132 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9133 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9134 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9135 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9136 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9137 (OMP_CLAUSE_CODE): Define.
9138 (OMP_CLAUSE_SET_CODE): Define.
9139 (OMP_CLAUSE_CODE): Define.
9140 (OMP_CLAUSE_OPERAND): Define.
9141 (struct tree_omp_clause): Declare.
9142 (union tree_node): Add field 'omp_clause'.
9143 * treestruct.def (TS_OMP_CLAUSE): Define.
9144 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9145 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9146 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9147 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9148 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9149 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9150 (OMP_CLAUSE): Define.
9151 * print-tree.c (print_node): Handle OMP_CLAUSE.
9152 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9153 * c-typeck.c: Likewise.
9154 * gimplify.c: Likewise.
9155 * c-omp.c: Likewise.
9156 * tree-nested.c: Likewise.
9157 * tree-inline.c: Likewise.
9158 * c-parser.c: Likewise.
9159 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9162 2006-01-25 Roger Sayle <roger@eyesopen.com>
9164 PR rtl-optimization/25703
9165 * combine.c (try_combine): Handle zero_extract and strict_low_part
9166 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9168 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9170 * global.c: Fix comment typos.
9172 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9175 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9176 Use output_addr_const instead of assemble_name.
9178 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9180 * Makefile.in (sched-vis.o): Update dependencies.
9181 * haifa-sched.c (sched_finish): Clear current_sched_info.
9182 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9183 (dump_flow_info): Call it.
9184 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9186 * basic-block.h (dump_bb_info): Declare.
9187 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9188 option, and apply options only for dump files whose TDF_RTL,
9189 TDF_TREE, or TDF_IPA bits match.
9190 * rtl.h: Declare new functions exported from sched-vis.c.
9191 * sched-vis.c: Enable also if scheduling is not used.
9192 (print_value): Print the mode of registers if not inside scheduling.
9193 (print_insn): Make it work outside the scheduler. Beautify the output
9195 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9197 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9199 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9200 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9201 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9202 depending on the value of CONSTANT_POOL_ADDRESS_P.
9203 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9205 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9206 rather than SYMBOL_REF_DECL.
9207 (rtx_constant_pool): Remove const_rtx_sym_htab.
9208 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9209 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9210 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9211 Remove handling of const_rtx_sym_htab.
9212 (find_pool_constant): Delete.
9213 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9214 rather than find_pool_constant.
9215 (get_pool_constant_for_function): Delete.
9216 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9218 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9219 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9220 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9221 (SYMBOL_REF_CONSTANT): New macro.
9222 (get_pool_constant_for_function): Delete.
9223 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9224 rather than SYMBOL_REF_DECL.
9225 (i386_pe_mark_dllimport): Likewise.
9226 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9227 rather than SYMBOL_REF_DECL.
9228 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9229 (machopic_indirect_call_target): Likewise.
9231 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9233 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9235 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9237 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9239 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9241 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9243 2006-01-24 David Daney <ddaney@avtrex.com>
9246 * configure.ac (enable_tls): New enable option.
9247 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9248 * configure: Regenerate.
9249 * doc/install.texi (--enable-tls): Document new option.
9250 (--disable-tls): Ditto.
9252 2006-01-24 Richard Henderson <rth@redehat.com>
9254 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9255 * alias.c (true_dependence): Respect it.
9256 (canon_true_dependence, write_dependence_p): Likewise.
9257 * builtins.c (get_builtin_sync_mem): Set it.
9259 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9261 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9264 2006-01-24 DJ Delorie <dj@redhat.com>
9266 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9267 for storing constants in single-bit bitfields.
9269 2006-01-25 Ben Elliston <bje@au.ibm.com>
9271 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9273 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9276 * tree-ssa-pre.c (phi_translate): Return NULL
9277 for AGGREGATE_TYPE's.
9279 2006-01-24 Zack Weinberg <zackw@panix.com>
9281 * genautomata.c (process_state_for_insn_equiv_partition):
9282 Use xcalloc for insn_arcs_array.
9283 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9284 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9286 2006-01-24 Richard Henderson <rth@redhat.com>
9288 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9291 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9293 PR rtl-optimization/25890
9294 PR rtl-optimization/25905
9295 * combine.c (expand_compound_operation, expand_field_assignment):
9296 Fail if the bitfield's final position is out of bounds.
9298 2006-01-24 Ian Lance Taylor <ian@airs.com>
9301 * cgraphunit.c (cgraph_output_in_order): Don't clear
9302 cgraph_asm_nodes until after asm strings have been output.
9304 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9306 * fix-header.c (read_scan_file): Add new parameter imultilib when
9307 calling register_include_chains.
9309 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9311 * omp-low.c: Update documentation.
9313 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9314 Daniel Berlin <dberlin@dberlin.org>
9318 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9319 return from the function.
9321 2006-01-22 Zack Weinberg <zackw@panix.com>
9323 * rtl.def (match_code): Add second argument.
9324 * genpreds.c (write_extract_subexp): New function.
9325 (write_match_code): Add path argument. Use write_extract_subexp.
9326 (write_predicate_expr): Pass path to write_match_code.
9327 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9328 not perform a mode test.
9329 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9330 a subexpression does not constrain the top-level code set.
9331 * read-rtl.c (read_rtx_variadic): New function.
9332 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9333 * doc/md.texi: Document new notation.
9334 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9335 (cmpsi_operand): ... here, using new notation.
9337 2006-01-22 Zack Weinberg <zackw@panix.com>
9339 * varray.c: Remove GENERATOR_FILE #ifdefs.
9341 2006-01-22 Zack Weinberg <zackw@panix.com>
9343 * genautomata.c (output_reserved_units_table): Emit nothing if
9344 description->query_units_num is zero. Remove extra blank line.
9345 (output_cpu_unit_reservation_p): Short circuit
9346 if description->query_units_num is zero.
9348 2006-01-22 Zack Weinberg <zackw@panix.com>
9350 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9351 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9352 nor any of the random handful of variables that used to be necessary
9353 when this program was linked with rtlanal.o. Prune set of forward
9354 function declarations.
9355 (struct attr_desc): Remove static_p field.
9356 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9357 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9358 (attr_string): Do not read the character one past the length of
9360 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9361 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9362 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9363 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9364 (make_automaton_attrs): New.
9365 (main): Do not call into genautomata. Call local gen_bypass
9366 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9367 Remove special case for insn_alts.
9368 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9369 varray.h (leftover from previous change). Prune set of forward
9370 function declarations. Remove state_alts fields from all
9371 structures. Remove state_alts_table from struct automaton.
9372 Make everything except main static. Do not maintain num_dfa_decls.
9373 Do not maintain state_alts fields of various structures.
9374 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9375 (add_arc): Remove state_alts argument. All callers updated.
9376 (output_reserved_units_table): Emit #ifdef here...
9377 (output_tables): ...not here. Don't generate state_alts tables.
9378 (expand_automata): Don't generate attributes.
9379 (write_automata): Don't generate state_alts functions.
9380 (main): New function.
9381 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9382 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9383 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9384 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9385 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9386 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9387 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9388 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9390 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9391 * genattrtab.h: Delete file.
9392 * Makefile.in (OBJS-common): Add insn-automata.o.
9393 (insn-automata.o): New rule.
9394 (simple_generated_c): Add insn-automata.c.
9395 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9396 (genprogmd): Add automata.
9397 (build/genattrtab): Needs no extra objects nor libraries.
9398 (build/genautomata): Needs build/vec.o and -lm.
9400 2006-01-22 Zack Weinberg <zackw@panix.com>
9402 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9403 (output_dfa_max_issue_rate, locked_states_num): Delete.
9404 (struct automaton): Add locked_states field.
9405 (output_dead_lock_vect): Save number of locked states in
9406 automaton->locked_states. If it is zero, don't print anything.
9407 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9408 (output_internal_dead_lock_func): Only test the dead_lock_vect
9409 for automata that have locked states.
9410 (output_statistics): Always print the number of locked states for
9411 each automaton. Calculate total number of locked states here.
9412 (write_automata): Don't call output_dfa_max_issue_rate.
9413 * genattrtab.c: Define length_unit_log as a const variable.
9414 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9415 max_insn_queue_index const.
9416 * final.c (length_unit_log): Declare const.
9417 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9419 2006-01-22 Zack Weinberg <zackw@panix.com>
9421 * genautomata.c: Include vec.h, not varray.h.
9422 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9423 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9424 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9425 VEC_* macros operating on appropriately typed vectors, or to
9426 malloced arrays when the size is known in advance. Const-ify
9427 many char* variables and function arguments. No functional changes.
9428 * Makefile.in (build/varray.o): Delete rule.
9429 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9430 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9432 2006-01-22 Zack Weinberg <zackw@panix.com>
9434 * gensupport.c: Define get_insn_name and record_insn_name here.
9435 (read_md_rtx): Call record_insn_name as appropriate.
9436 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9437 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9438 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9440 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9441 (BUILD_VARRAY): Delete.
9442 (genprognormal): Rename genprogmd. Fold in all programs from
9443 genprognoprint; also attrtab.
9444 (build/genattrtab): Just mention genautomata.o and varray.o.
9445 Reorganize a bit, add comments to make the categories clearer.
9447 2006-01-22 Zack Weinberg <zackw@panix.com>
9449 * genconditions.c (condition_table, add_condition): Delete.
9450 (write_conditions): Don't emit n_insn_conditions nor
9451 insn_elision_unavailable. Issue the gcc version #ifdef here,
9452 inside the table, with no #else clause ...
9453 (write_header): ...not here.
9454 (write_writer): New function.
9455 (main): Don't initialize condition_table. Use add_c_test.
9457 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9458 files on the command line.
9459 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9460 Return -1 if there is no entry in the table, don't abort.
9461 (add_c_test, traverse_c_tests): New functions.
9462 * gensupport.h (insn_elision_unavailable, insn_conditions)
9463 (n_insn_conditions): Delete declarations.
9464 (add_c_test, traverse_c_tests): Declare.
9465 * read-rtl.c: Include gensupport.h.
9466 (read_conditions): New function.
9467 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9468 (read_rtx_1): If we get EOF when we were looking for an initial
9469 open paren, return 0. Call read_conditions when appropriate.
9470 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9471 dummy-conditions.o. Eliminate references to insn-conditions.o,
9472 or change them to build/gencondmd.o, as appropriate. Remove
9473 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9474 from $(simple_generated_c). For all files remaining in those
9475 two lists, add insn-conditions.md to the generator command line.
9476 Give insn-constants.h/s-constants their own rules. Add rules
9477 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9478 (build/read-rtl.o): Depend on gensupport.h.
9479 (genprognormal): Include preds.
9480 (genprogearly): Rename genprognoprint; only difference is now that
9481 they don't link with $(BUILD_PRINT).
9482 * dummy-conditions.c: Delete.
9484 2006-01-22 Zack Weinberg <zackw@panix.com>
9486 * genextract.c: Don't include insn-config.h. Do include vec.h.
9487 Declare vectors of int, char, and locstr.
9488 (locstr): New typedef.
9489 (struct extraction): Make all array fields into bare pointers.
9490 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9491 (insn_code_number): Delete.
9492 (accum_extract): New struct.
9493 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9494 (gen_insn): Take insn_code_number as an argument. Use an
9495 accum_extract structure instead of loading data directly into
9496 a struct extraction, and having to know how big it might get.
9497 (walk_rtx): Operate entirely on an accum_extract structure.
9498 (print_path): Avoid unnecessary use of printf.
9499 (print_header): New function, split out of main. Distinguish
9500 more carefully between an unrecognizable insn and an insn that
9501 has the code number of a define_expand.
9502 (main): Pass insn_code_number to gen_insn. Call print_header
9503 only after parsing. Avoid unnecessary use of printf.
9504 * Makefile.in (build/vec.o): New rule.
9505 (build/genextract): Depend on build/vec.o.
9506 (build/genextract.o): Don't depend on insn-config.h.
9508 2006-01-22 Zack Weinberg <zackw@panix.com>
9510 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9511 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9512 practical. Eliminate per-generator-program link rules.
9514 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9517 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9518 with a call expr to ...
9519 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9521 2006-01-23 Richard Guenther <rguenther@suse.de>
9523 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9524 before make_edge with conditional EDGE_TRUE_VALUE.
9526 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9527 Jan Hubicka <jh@suse.cz>
9528 Richard Guenther <rguenther@suse.de>
9530 PR rtl-optimization/25654
9531 * cfgexpand.c (aggregate_contains_union_type): New function.
9532 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9533 for structure variables that contain a union type.
9535 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9537 * gengtype.c (new_structure): Return the structure.
9538 (create_option): Add an extra "next" argument.
9539 (create_field): New function.
9540 (adjust_field_rtx_def): Use create_option and create_field.
9541 Remove a now-unnecessary call to find_structure.
9542 (adjust_field_tree_def): Likewise.
9543 (note_yacc_type): Remove an unnecessary call to find_structure.
9544 * gengtype.h (new_structure): Return the structure.
9545 (create_option): Add an extra argument.
9546 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9547 (option): Adjust calls to create_option.
9549 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9551 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9553 2006-01-22 Paul Brook <paul@codesourcery.com>
9554 Peter Barada <peter@the-baradas.com>
9556 * config/m68k/m68k.md: Add Coldfire FPU support.
9557 Define FP mode macro and associated attributes.
9558 Use it for float mode patterns.
9559 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9560 (LIBCALL_VALUE): Use m68k_libcall_value.
9561 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9562 (m68k_function_value): Ditto.
9563 (emit_move_sequence): Ditto.
9564 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9565 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9566 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9567 (MULTILIB_EXCEPTIONS): Ditto.
9568 * config/m68k/m68k.opt: Add mcfv4e.
9569 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9570 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9571 (m68k_output_function_prologue): Save ColdFire FPU registers.
9572 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9573 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9574 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9575 ColdFire FPU registers.
9576 (m68k_libcall_value, m68k_function_value): New functions.
9577 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9578 (LIBCALL_VALUE): Use m68k_libcall_value.
9579 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9580 (MASK_COLDFIRE): Add MASK_CFV4E.
9581 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9582 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9583 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9584 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9585 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9586 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9587 * doc/invoke.tex: Document -mcfv4e on m68k.
9589 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9591 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9594 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9597 * c-opts.c (c_common_handle_option): Don't include
9598 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9599 * doc/invoke.texi (C++ Dialect Options): Document that
9600 -Wnon-virtual-dtor is no longer included in -Wall.
9602 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9604 * gcov.c (print_version), gcov-dump.c (print_version),
9605 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9608 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9610 * df-scan.c (problem_SCAN): Added NULL reset function.
9611 (df_scan_reset_blocks): Added code to call reset block function
9612 (df_bb_refs_delete) Fixed comment.
9613 (df_insn_refs_delete): Made tolerant of deleting non existent info
9614 for dataflow problems that need to be reset.
9615 * df-core.c (df_set_blocks): Ditto.
9616 * df.h (struct df_problem): Added reset_fun.
9617 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9618 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9619 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9620 functions to clear out all references to def-use or use-def chains.
9622 2006-01-21 Ben Elliston <bje@au.ibm.com>
9624 * varasm.c (assemble_real): Initialise data array.
9626 2006-01-20 Paul Brook <paul@codesourcery.com>
9628 Merge from csl-arm-branch.
9629 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9630 * config/arm/arm.md (movdi): Force operands[1] to a register
9631 if we have a non-register source.
9632 (*arm_movdi, *movdf_soft_insn): Require that one of the
9633 operands be a register.
9634 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9635 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9637 2006-01-20 DJ Delorie <dj@redhat.com>
9639 * varasm.c (initialize_constant_valid_p): Allow pointers
9640 initialized from integer constants of lesser precision.
9641 (output_constant): Allow non-int-sized pointer modes to be
9642 initialized from integer constants.
9644 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9647 * cppdefault.h (struct default_include): Add multilib flag.
9648 * cppdefault.c (cpp_include_defaults): Set it.
9649 * c.opt (-imultilib): New option.
9650 * c-opts.c (imultilib): New.
9651 (c_common_handle_option): Handle -imultilib.
9652 (c_common_post_options): Likewise.
9653 * c-incpath.c (add_standard_paths, register_include_chains):
9655 * c-incpath.h (register_include_chains): Add extra parameter.
9656 * gcc.c (do_spec_1): Generate -imultilib option.
9657 (The Specs Language): Update %I description.
9658 (process_command): Update copyright notice.
9659 * doc/cppopts.texi (-imultilib): Document.
9660 * doc/invoke.texi (-imultilib): Include in option summary.
9661 (%I): Update specs documentation.
9663 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9665 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9667 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9669 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9672 2006-01-20 Richard Guenther <rguenther@suse.de>
9673 Steven Bosscher <stevenb.gcc@gmail.com>
9675 PR rtl-optimization/24626
9676 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9677 EDGE_TRUE_VALUE if in RTL mode.
9680 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9681 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9683 2006-01-20 Dirk Mueller <dmueller@suse.com>
9686 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9687 instead of a special NOP marker.
9688 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9689 NOP marker handling.
9690 * c-common.h (empty_body_warning): Add forward declaration.
9691 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9692 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9694 2006-01-20 Paul Brook <paul@codesourcery.com>
9696 * Makefile.in (lang_checks): Keep going if mkdir fails.
9698 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9700 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9701 be able to clean out basic block when not necessary.
9702 (df_scan_free): Fixed to properly delete information if df is
9703 unused before calling df_finish.
9704 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9705 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9707 (df_bb_refs_delete): New function.
9708 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9709 * df-core.c (df_set_blocks): Added code to properly clean out
9710 unused blocks if they are not part of the blocks to consider.
9711 Added additional null check.
9712 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9713 be able to clean out basic block when not necessary
9714 * df.h (df_free_bb_function): Ditto.
9715 (df_bb_refs_delete): New function.
9716 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9717 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9718 basic block parameter to be able to clean out basic block when not
9720 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9721 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9722 Fixed to properly delete information if df is unused before
9725 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9727 PR rtl-optimization/25799
9728 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9729 Corrected confluence operator to remove bits from op2 before oring
9730 with op1 rather than removing bits from op1.
9731 (df_ru_transfer_function): Corrected test on wrong bitmap which
9732 caused infinite loop. Both of these problems were introduced in
9733 the dataflow rewrite.
9735 2006-01-19 DJ Delorie <dj@redhat.com>
9737 * reload1.c (find_reload_regs): Note the details of reload
9738 failures in the dump file.
9739 (spill_failure): Likewise.
9741 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9743 * loop-iv.c: Include df.h and hashtab.h.
9744 (enum iv_grd_result): New enum.
9745 (DF_REF_IV, DF_REF_IV_SET): New macros.
9746 (struct biv_entry): New.
9747 (df, bivs): New global variables.
9748 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9749 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9751 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9752 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9753 analyzed_for_bivness_p, record_biv): New functions.
9754 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9755 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9756 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9758 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9760 (iv_number_of_iterations): Use new interface to iv analysis.
9761 * loop-unroll.c: Do not include varray.h.
9762 (analyze_iv_to_split_insn): Use new interface to iv
9764 * loop-unswitch.c (may_unswitch_on): Ditto.
9765 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9767 (df_bb_modify): Realloc tables to the new index.
9768 (df_find_use): New function.
9769 * df.h (df_find_use): Declare.
9770 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9772 * cfgloop.h (struct rtx_iv): Remove analysed field.
9773 (iv_get_reaching_def): Removed.
9774 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9775 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9776 (loop-iv.o): Add df.h and hashtab.h dependency.
9777 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9779 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9782 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9784 (__floatundisf, __floatundidf): Likewise.
9785 * libgcc2.h (IS_IBM_EXTENDED): Define.
9787 2006-01-19 DJ Delorie <dj@redhat.com>
9789 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9791 2006-01-19 Paul Brook <paul@codesourcery.com>
9793 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9794 as nothrow when unwinding tables are disabled.
9796 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9799 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9800 of bit-field" when in system header.
9802 2006-01-19 DJ Delorie <dj@redhat.com>
9804 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9805 the 16 bit shift limit of the m16c.
9807 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9810 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9811 * config/i386/i386.c (output_set_got): Output the label if we have one
9812 for the TARGET_DEEP_BRANCH_PREDICTION case.
9814 2006-01-19 Jan Hubicka <jh@suse.cz>
9815 H.J. Lu <hongjiu.lu@intel.com>
9816 Evandro Menezes <evandro.menezes@amd.com>
9818 * invoke.texi (generic): Document
9820 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9821 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9822 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9823 (x86_use_incdec, x86_pad_returns): New variables
9824 (TARGET_CPU_DEFAULT_generic): New constant
9825 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9826 (enum processor_type): Add generic32 and generic64.
9827 * i386.md (cpu attribute): Add generic32/generic64
9828 (movhi splitter): Behave sanely when both partial_reg_dependency and
9829 partial_reg_stall are set.
9830 (K8 splitters): Enable for generic as well.
9831 * predicates.md (incdec_operand): Use TARGET_INCDEC
9832 (aligned_operand): Avoid memory mismatch stalls.
9833 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9834 * ppro.md: Enable for generic32
9835 * i386.c (generic64_cost, generic32_cost): New.
9836 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9837 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9838 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9839 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9840 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9841 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9842 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9843 x86_accumulate_outgoing_args, x86_prologue_using_move,
9844 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9845 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9847 (x86_use_incdec, x86_pad_returns): New.
9848 (override_options): Add generic32 and generic64, translate "generic"
9849 to generic32/generic64 and "i686" to "generic32", refuse
9850 "generic32"/"generic64" as arch target.
9851 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9852 (ix86_reorg): Honor PAD_RETURNS.
9854 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9856 * tree-pretty-print.c (dump_generic_node): Handle
9857 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9858 * cgraph.c (cgraph_expand_queue): Rename from
9859 cgraph_analyze_queue. Update all users.
9860 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9861 cgraph_expand_queue.
9862 (cgraph_expand_all_functions): Likewise.
9863 (cgraph_finalize_pending_functions): Remove. Update callers.
9865 * tree.h (OMP_DIRECTIVE_P): Define.
9866 (OMP_PARALLEL_FN): Define.
9867 (OMP_PARALLEL_DATA_ARG): Define.
9868 (OMP_SECTIONS_SECTIONS): Define.
9869 * tree-pass.h (pass_expand_omp): Declare.
9870 * omp-low.c (struct omp_region): Declare.
9871 (struct omp_context): Remove fields 'parallel_type',
9872 'parallel_start_ix' and 'parallel_start_additional_args'.
9874 (struct omp_for_data): Rename from struct expand_omp_for_data.
9875 (omp_regions): New static variable.
9876 (root_omp_region): New static variable.
9877 (find_omp_clause): Make static.
9878 (is_in_combined_parallel_ctx): Remove.
9879 (is_combined_parallel): New.
9880 (extract_omp_for_data): Move earlier in the file.
9881 (workshare_safe_to_combine_p): New.
9882 (get_ws_args_for): New.
9883 (determine_parallel_type): Move earlier in the file.
9884 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9886 (omp_copy_decl): Likewise.
9887 (create_omp_child_function): Likewise.
9888 (lookup_omp_region): New.
9889 (dump_omp_region): New.
9890 (debug_omp_region): New.
9891 (debug_all_omp_regions): New.
9892 (new_omp_region): New.
9893 (scan_omp_parallel): If parallel_nesting_level > 1, the
9894 directive is nested within another parallel directive.
9895 Set OMP_PARALLEL_FN.
9896 (scan_omp_for): Do not try to handle combined parallel+for
9898 Remove FIXME comment.
9899 (scan_omp_nested): Remove.
9900 (scan_omp_1): Do not call scan_omp_nested when
9901 parallel_nesting_level is > 1.
9902 Do not change the DECL_CONTEXT of local variables found.
9903 (lookup_decl_in_outer_ctx): New.
9904 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9905 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9906 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9907 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9908 If CTX is nested, lookup VAR in the outer context when
9909 building copy assignment.
9910 (lower_send_clauses): Rename from expand_send_clauses.
9911 If CTX is nested, lookup VAR in the outer context when
9912 building copy assignments.
9913 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9914 If CTX is nested, lookup VAR in the outer context when
9915 building copy assignments.
9916 (expand_parallel_call): Rename from build_parallel_call.
9917 Handle combined parallel+workshare cases.
9918 Re-implement to emit code into the CFG.
9920 (expand_omp_parallel): Re-implement to emit code into the CFG.
9921 Call move_sese_region_to_fn to outline the sub-graph
9922 containing the parallel region.
9923 (expand_omp_for_1): Remove.
9924 (expand_omp_for_generic): Re-implement to emit code into the
9926 (expand_omp_for_static_nochunk): Likewise.
9927 (expand_omp_for_static_chunk): Likewise.
9928 (expand_omp_for): Likewise.
9929 (expand_omp_sections): Likewise.
9930 (remove_exit_barriers): New.
9931 (expand_omp_synch): New.
9933 (build_omp_regions_1): New.
9934 (build_omp_regions): New.
9935 (execute_expand_omp): New.
9936 (gate_expand_omp): New.
9937 (pass_expand_omp): Define.
9938 (lower_omp_sections): Rename from expand_omp_sections.
9939 Set OMP_SECTIONS_SECTIONS.
9940 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9941 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9942 (lower_omp_single): Rename from expand_omp_simple.
9943 (lower_omp_master): Rename from expand_omp_master.
9944 (lower_omp_ordered): Rename from expand_omp_ordered.
9945 (lower_omp_critical): Rename from expand_omp_critical.
9946 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9947 (lower_omp_for): Re-implement.
9948 (lower_omp_parallel): Re-implement.
9949 (lower_regimplify): Rename from expand_regimplify.
9950 (lower_omp_1): Rename from expand_omp_1.
9951 If there are syntax errors in the program, replace every
9952 OpenMP directive with NOP.
9953 Call lower_omp_* instead of expand_omp_*.
9954 (lower_omp): Rename from expand_omp.
9956 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9957 * tree-gimple.h (enum omp_parallel_type): Remove.
9958 (gimple_boolify): Declare extern.
9959 (find_omp_clause, determine_parallel_type): Remove.
9961 * gimple-low.c (lower_omp_directive): New.
9962 (lower_stmt): Call it.
9963 (record_vars_into): Move from ...
9964 (record_vars): ... here.
9965 Call record_vars_into with current_function_decl.
9967 * gimplify.c (struct gimplify_ctx): Remove fields
9968 combined_pre_p and combined_ctxp. Update users.
9969 (get_formal_tmp_var): Add documentation.
9970 (gimple_boolify): Make extern.
9971 (gimplify_expr_in_ctx): Remove. Update callers.
9972 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9973 will always be a BIND_EXPR.
9974 (gimplify_expr): Handle OMP_RETURN_EXPR.
9975 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9976 (OMP_PARALLEL): Add 3 operands.
9977 (OMP_SECTIONS): Add 1 operand.
9978 (OMP_RETURN_EXPR): Define.
9980 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9981 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9982 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9983 creating a circular free list.
9984 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9986 * tree-flow.h (move_sese_region_to_fn): Declare.
9987 (record_vars_into): Declare.
9988 * tree-cfg.c (make_omp_sections_edges): New.
9989 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9990 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9991 OMP_SECTIONS and OMP_SECTION.
9992 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9993 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9994 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9995 (gather_blocks_in_sese_region): New.
9996 (struct move_stmt_d): Declare.
9998 (move_block_to_fn): New.
9999 (move_sese_region_to_fn): New.
10001 * passes.c (init_optimization_passes): Schedule
10002 pass_expand_omp after pass_init_datastructures.
10004 * tree-ssa-operands.c (get_expr_operands): Handle
10005 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10006 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10008 2006-01-19 Jeff Law <law@redhat.com>
10010 * tree-vrp.c (extract_range_from_assert): Refine the result range
10011 if the variable referenced by the ASSERT_EXPR has a range and
10012 either the tentative result range or the previous range is a
10015 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10017 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10019 2006-01-19 Jan Hubicka <jh@suse.cz>
10021 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10023 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10025 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10026 (expand_compound_operation, expand_field_assignment): Fail if the
10027 bit lengths of an extract operation are out of range.
10028 (make_extraction): Compute wanted_inner_mode based on the position
10029 and length of the extraction. Make it extraction_mode for non-constant
10030 positions, and do not modify offset in that case. When generating a
10031 new MEM, use a mode that can hold the extraction while keeping correct
10032 alignment. Remove code that supported MEMs wrapped by USEs.
10033 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10035 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10037 * config/s390/s390.md ("Y", "y"): New mode attribute.
10038 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10039 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10040 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10041 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10042 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10043 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10044 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10045 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10046 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10047 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10048 "addsi3", "subsi3"): Insn patterns removed.
10049 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10050 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10051 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10052 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10053 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10054 "*sub<mode>3_cconly2"): New insn patterns.
10055 ("addsi3", "subsi3"): New expanders.
10057 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10059 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10060 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10061 existing STMT_VINFO_VECTYPE if available.
10062 (vect_mark_relevant): Add special handling for stmts that are
10063 marked as STMT_VINFO_IN_PATTERN_P.
10064 (vect_analyze_loop): Call vect_pattern_recog.
10065 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10066 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10068 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10069 (vect_recog_func_ptr): New function-pointer type.
10070 * tree-vect-patterns.c: New file.
10071 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10072 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10073 (vect_pattern_recog_1): New functions.
10074 (vect_pattern_recog_funcs): New array of function pointers.
10076 * tree-vectorizer.h (ternary_op): New enum value.
10077 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10078 declaration. Revised documentation. Removed redundant dump prints.
10079 Removed redundant argument. Added support for reduction patterns.
10080 (vectorizable_reduction): Added support for reduction patterns.
10081 (vect_transform_stmt): Added support for patterns.
10083 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10084 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10085 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10086 (expand_widen_pattern_expr): New function.
10087 (init_optabs): Initialize new optabs udot_prod_optab,
10089 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10090 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10091 (expand_widen_pattern_expr): New function declaration.
10092 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10094 * tree-inline.c (estimate_num_insns_1): Added cases for new
10095 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10096 * tree-pretty-print.c (dump_generic_node): Likewise.
10097 (op_prio): Likewise.
10098 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10099 * tree-ssa-operands.c (get_expr_operands): Added case for
10101 * tree-vect-patterns.c (widened_name_p): New function.
10102 (vect_recog_dot_prod_pattern): Added function implementation.
10103 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10104 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10105 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10106 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10108 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10109 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10110 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10111 (init_optabs): Initialize new optabs widen_ssum_optab,
10113 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10114 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10115 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10116 use instead of type of def.
10117 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10118 function implementation.
10119 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10120 widen_ssumv8hi): New.
10122 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10125 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10128 * c-decl.c (add_flexible_array_elts_to_size): New function.
10129 (finish_decl): Use it.
10131 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10133 * diagnostic.h: Include options.h.
10134 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10135 dependancies for diagnostic.h.
10136 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10138 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10140 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10141 (ssa_ro_call_cache_valid): Ditto.
10142 * tree-ssa-alias.c (sort_tags_by_id): New function.
10143 (init_transitive_clobber_worklist): Ditto.
10144 (add_to_worklist): Ditto.
10145 (mark_aliases_call_clobbered): Ditto.
10146 (compute_tag_properties): Ditto.
10147 (set_initial_properties): Ditto.
10148 (compute_call_clobbered): Ditto.
10149 (compute_may_aliases): Call compute_call_clobbered and grouping.
10150 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10151 (compute_flow_insensitive_aliasing): Grouping now happens in our
10153 (setup_pointers_and_addressables): Remove clobbering related code.
10154 (add_may_alias): Ditto.
10155 (replace_may_alias): Ditto.
10156 (get_nmt_for): Ditto.
10157 (create_global_var):
10158 (is_escape_site): Return an escape_type enumeration.
10159 * tree-flow-inline.h (is_call_clobbered): Global var does not
10160 imply call clobbered.
10161 (mark_call_clobbered): Take a reason for marking this. Remove
10162 marking of globalness, and cache invalidation.
10163 (clear_call_clobbered): Remove cache invalidation code.
10164 * tree-dfa.c (dump_variable): If details is on, dump the reason
10166 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10168 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10169 (struct var_ann_d): Ditto.
10170 (enum escape_type): New.
10171 (mark_call_clobbered): Adjust prototype.
10172 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10173 are never call clobbered.
10174 Record reasons for escaping.
10175 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10176 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10177 (ssa_ro_call_cache_valid): Ditto.
10178 (clobbered_v_may_defs): Ditto.
10179 (clobbered_vuses): Ditto.
10180 (ro_call_vuses): Ditto.
10181 (clobber_stats): New.
10182 (init_ssa_operands): Zero out clobber stats.
10183 (fini_ssa_operands): Print out clobber stats.
10184 (get_call_expr_operands): Pass callee fndecl to
10185 add_call_read_ops).
10186 (add_call_clobber_ops): Remove use of cache.
10187 Add use of PURE_CONST information.
10188 (add_call_read_ops): Remove use of cache.
10189 Add use of static not_read information.
10191 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10193 Introduce TLS descriptors for i386 and x86_64.
10194 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10195 (TARGET_ANY_GNU_TLS): New macro.
10196 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10197 (struct machine_function): Add tls_descriptor_call_expanded_p.
10198 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10199 (ix86_current_function_calls_tls_descriptor): Likewise.
10200 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10201 (override_options): Introduce gnu2 tls dialect.
10202 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10204 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10206 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10207 (ix86_init_machine_status): Initialize new field.
10208 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10209 (ix86_tls_module_base): New.
10210 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10211 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10212 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10213 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10214 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10215 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10216 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10217 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10218 * config/i386/predicates.md (tls_modbase_operand): New.
10219 (tp_or_register_operand): New.
10221 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10223 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10224 (look_for_address_of): Ditto.
10225 (ipa_init): Walk the function decls.
10226 (static_execute): Don't set readonly on FUNCTION_DECL's.
10228 2006-01-18 Roger Sayle <roger@eyesopen.com>
10230 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10231 for shifts where the source and destination registers are different.
10233 2006-01-18 Paul Brook <paul@codesourcery.com>
10235 Merge from csl-arm-branch.
10236 2005-03-14 Julian Brown <julian@codesourcery.com>
10237 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10238 (aeabi_llsl): Likewise.
10239 (ashrdi3): Likewise.
10240 (aeabi_lasr): Likewise.
10241 (lshrdi3): Likewise.
10242 (aeabi_llsr): Likewise.
10243 2005-03-10 Julian Brown <julian@codesourcery.com>
10244 * config.gcc: Disable shared libgcc for SymbianOS.
10245 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10247 2006-01-18 DJ Delorie <dj@redhat.com>
10249 * c-pragma.c (handle_pragma_diagnostic): New.
10250 (init_pragma): Register it.
10251 * doc/extend.texi: Document it.
10253 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10254 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10255 (diagnostic_context): Add classify_diagnostic[].
10256 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10257 as errors if they're overridden to DK_WARNING.
10258 (diagnostic_initialize): Initialize classify_diagnostic[].
10259 (diagnostic_set_kind_override): New.
10260 (diagnostic_report_diagnostic): Check for kind changes.
10261 * opts.c (common_handle_option): Take lang_mask. Update callers.
10262 Handle OPT_Werror_.
10263 * common.opt (Werror=): New.
10264 * doc/invoke.texi: Document -Werror=*
10266 2006-01-18 Jeff Law <law@redhat.com>
10268 * tree-vrp.c (test_for_singularity): Correct test for new
10269 min limit. Use operand_equal_p rather than pointer equality
10270 for testing if new min/max values are equal.
10272 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10273 using range information until after propagation and folding.
10275 2006-01-18 Richard Henderson <rth@redhat.com>
10276 Aldy Hernandez <aldyh@redhat.com>
10277 Jakub Jelinek <jakub@redhat.com>
10278 Diego Novillo <dnovillo@redhat.com>
10280 * omp-low.c: New file.
10281 * c-omp.c: New file.
10283 2006-01-18 Richard Henderson <rth@redhat.com>
10284 Jakub Jelinek <jakub@redhat.com>
10285 Diego Novillo <dnovillo@redhat.com>
10287 * doc/invoke.texi: Document -fopenmp.
10288 * tree-dump.h (debug_function): Declare.
10289 * hooks.c (hook_bool_tree_bool_false): New function.
10290 (hook_tree_tree_null): Remove.
10291 (hook_tree_tree_tree_null): New.
10292 * hooks.h: Update to match.
10293 * tree-pretty-print.c (debug_tree_chain): New.
10294 (print_generic_expr): Handle TDF_CHAIN.
10295 (dump_generic_node): Handle BLOCK.
10296 Do not abort with incomplete SWITCH_EXPRs.
10297 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10298 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10299 print space after directive name.
10300 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10301 Handle OMP_MASTER and OMP_ORDERED.
10302 Handle printing of OMP_BODY just in one place, goto
10303 dump_omp_body in the rest of OMP_* nodes that have
10305 Don't handle clause nodes here. Update omp statements to
10306 use dump_omp_clauses.
10307 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10308 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10309 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10310 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10311 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10312 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10313 Adjust output for GOMP_PARALLEL.
10314 (dump_omp_clauses): New.
10315 (print_declaration): Dump DECL_VALUE_EXPR.
10316 (op_symbol_1): Split out of op_symbol.
10317 (dumping_stmts): Remove. Update all users.
10318 * cgraph.c (cgraph_analyze_queue): New.
10319 (cgraph_add_new_function): New.
10320 * cgraph.h (cgraph_analyze_queue): Declare.
10321 (cgraph_add_new_function): Declare.
10322 (cgraph_lower_function): Remove.
10323 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10324 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10325 and TYPE_P nodes in its default clause.
10326 (empty_body_p): New.
10327 (tree_range_check_failed): New.
10328 (build5_stat): New.
10329 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10330 OMP_CLAUSE_REDUCTION_MERGE,
10331 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10332 OMP_CLAUSE_PRIVATE_DEBUG,
10333 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10334 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10335 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10336 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10337 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10338 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10339 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10340 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10341 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10342 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10343 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10344 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10345 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10346 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10347 (TREE_RANGE_CHECK): New.
10348 (empty_body_p): Declare.
10349 (enum omp_clause_default_kind): New.
10350 (build_string_literal): Declare.
10351 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10352 (build5_stat, build5): Declare.
10353 * tree-pass.h (TDF_CHAIN): Define.
10354 * tree-pass.h (PROP_gimple_lomp): Define.
10355 (pass_lower_omp): Declare.
10356 * diagnostic.h (debug_tree_chain): Declare.
10357 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10359 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10360 * builtins.c (build_string_literal): Make extern.
10361 * gcc.c (include_spec_function): New.
10362 (static_spec_functions): Add it.
10363 (main): Move load of libgomp.spec ...
10364 (LINK_COMMAND_SPEC): ... here.
10365 (link_gomp_spec): New.
10366 (static_specs): Include it.
10367 (LINK_COMMAND_SPEC): Add link_gomp.
10368 (GOMP_SELF_SPECS): New.
10369 (driver_self_specs): Include it.
10370 (switch_matches): Don't mark inline.
10371 (main): Load libgomp.spec.
10372 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10373 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10374 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10375 * tree-gimple.h (enum omp_parallel): Declare.
10376 (determine_parallel_type): Declare.
10377 (omp_firstprivatize_variable): Declare.
10378 (omp_reduction_init): Declare.
10379 (diagnose_omp_structured_block_errors): Declare.
10380 (struct walk_stmt_info): Add want_return_expr.
10381 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10382 (find_omp_clause): Declare.
10383 (insert_field_into_struct): Declare.
10384 (struct walk_stmt_info): Move from tree-nested.c
10385 (walk_stmts): Declare.
10386 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10388 * cgraphunit.c (cgraph_lower_function): Make static.
10389 (cgraph_finalize_pending_functions): New.
10390 (cgraph_finalize_function): Call it.
10391 (cgraph_finalize_compilation_unit): Likewise.
10392 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10393 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10394 (BT_FN_UINT_UINT): New.
10395 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10396 DEF_FUNCTION_TYPE_VAR_4): Document.
10397 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10398 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10399 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10400 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10401 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10402 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10403 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10404 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10405 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10406 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10407 into separate files.
10408 (DEF_GOMP_BUILTIN): New.
10409 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10410 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10411 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10412 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10413 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10414 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10415 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10416 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10417 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10418 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10419 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10420 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10421 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10422 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10423 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10424 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10425 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10426 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10427 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10428 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10429 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10430 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10431 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10432 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10433 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10434 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10435 * sync-builtins.def: New file, moved from builtins.def.
10436 * omp-builtins.def: New file, moved from builtins.def.
10437 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10438 * gimple-low.c (lower_function_body): Clear data.
10439 (lower_stmt): Do not handle COMPOUND_EXPR.
10440 Remove call to print_node_brief.
10441 * c-tree.h (c_finish_omp_clauses): New prototype.
10442 (C_DECL_THREADPRIVATE_P): Define.
10443 (lookup_name_no_remap, c_omp_remap_private): Remove
10444 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10445 (check_for_loop_decls): Update decl.
10446 (lookup_name_no_remap, c_omp_remap_private): Declare.
10447 (build_indirect_ref, build_modify_expr, pushdecl,
10448 pushdecl_top_level): Move to c-common.h.
10449 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10450 before the switch, but just in the 2 places that need it.
10451 * c-decl.c (diagnose_mismatched_decls): Do not check for
10452 mismatched thread-local attributes when OLDDECL is marked
10453 threadprivate and NEWDECL has no thread-local attributes.
10454 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10455 (c_gimple_diagnostics_recursively): Rename from
10456 c_warn_unused_result_recursively. Invoke
10457 diagnose_omp_structured_block_errors.
10458 (check_for_loop_decls): Return a singular decl found.
10459 * langhooks.c (lhd_omp_predetermined_sharing): Return
10460 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10461 (lhd_omp_firstprivatize_type_sizes): New.
10462 (lhd_omp_assignment): New.
10463 (lhd_omp_predetermined_sharing): New.
10464 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10465 (struct lang_hooks_for_types): Add
10466 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10467 omp_predetermined_sharing, omp_disregard_value_expr,
10468 omp_private_debug_clause, omp_clause_default_ctor,
10469 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10470 (c_finish_omp_clauses): New.
10471 (c_finish_bc_stmt): Diagnose break within omp for.
10472 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10473 (build_unary_op): Return error_mark after reporting
10475 (build_modify_expr): Likewise.
10476 * gimplify.c: Include optabs.h and pointer-set.h.
10477 (enum gimplify_omp_var_data): Declare.
10478 (struct gimplify_omp_ctx): Declare.
10479 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10481 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10482 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10483 (splay_tree_compare_decl_uid): New.
10484 (new_omp_context): New.
10485 (delete_omp_context): New.
10486 (gimple_add_tmp_var): Call omp_add_variable.
10487 (gimplify_bind_expr): Likewise.
10488 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10489 true, disregard DECL_VALUE_EXPR on the decl if any.
10490 (gimplify_expr_in_ctx): New.
10491 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10492 omp_add_variable, omp_notice_variable, omp_is_private
10493 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10494 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10495 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10496 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10497 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10498 gimplify_omp_atomic): New.
10499 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10500 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10501 OMP_CRITICAL and OMP_ATOMIC.
10502 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10503 * c-pragma.h (enum pragma_kind): Add
10504 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10505 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10506 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10507 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10508 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10509 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10510 PRAGMA_OMP_THREADPRIVATE.
10511 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10512 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10513 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10514 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10515 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10516 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10517 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10518 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10519 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10520 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10521 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10522 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10523 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10525 (struct nesting_info): Add field_map,
10526 suppress_expansion, debug_var_chain.
10527 (create_nesting_tree): Initialize them.
10528 (lookup_field_for_decl): Use field_map.
10529 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10530 (convert_local_omp_clauses): New.
10531 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10532 (walk_body): Split out of walk_function.
10533 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10534 (convert_nonlocal_reference): Handle omp statements.
10535 (convert_local_reference): Likewise.
10536 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10537 (unnest_nesting_tree): New.
10538 (lower_nested_functions): Call it.
10539 (insert_field_into_struct): Make extern.
10540 (struct walk_stmt_info): Move to tree-gimple.h.
10541 (walk_stmts): Make extern.
10542 * omp-builtins.def: New file.
10543 * tree-iterator.c (expr_only): Clarify comment.
10544 * c-common.h (pushdecl_top_level, pushdecl,
10545 build_modify_expr, build_indirect_ref,
10546 c_finish_omp_master, c_finish_omp_critical,
10547 c_finish_omp_ordered, c_finish_omp_barrier,
10548 c_finish_omp_atomic, c_finish_omp_flush,
10549 c_finish_omp_for, c_split_parallel_clauses,
10550 omp_clause_default_kind, c_omp_sharing_predetermined,
10551 c_omp_remap_decl): Declare.
10552 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10553 (OBJS-common): Add omp-low.o.
10554 (c-omp.o, omp-low.o): Add.
10555 (gimplify.o): Add dependency on $(OPTABS_H).
10556 (GTFILES): Add omp-low.c.
10557 (gt-stringpool.h): Add.
10558 * tree-cfg.c (set_bb_for_stmt): Do not update the
10559 block-to-labels map if we are currently expanding to RTL.
10560 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10562 Handle IDENTIFIER_NODE.
10563 (tree_verify_flow_info): Do not ICE when emitting error
10564 messages about invalid labels.
10565 (dump_function_to_file): Reset CFUN before emitting the body
10567 (debug_function): New.
10568 * passes.c (init_optimization_passes): Schedule
10570 * langhooks-def.h (lhd_omp_predetermined_sharing,
10571 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10573 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10574 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10575 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10576 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10577 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10578 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10579 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10580 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10581 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10582 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10583 (LANG_HOOK_DECLS): Use them.
10585 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10586 Richard Henderson <rth@redhat.com>
10587 Jakub Jelinek <jakub@redhat.com>
10588 Diego Novillo <dnovillo@redhat.com>
10590 * c-parser.c (pragma_omp_clause): Define.
10591 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10592 (c_parser_compound_statement): Likewise.
10593 (c_parser_statement): Likewise.
10594 (c_parser_pragma): Handle omp pragmas.
10595 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10596 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10597 (c_parser_omp_clause_name, check_no_duplicate_clause,
10598 c_parser_omp_variable_list,
10599 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10600 c_parser_omp_clause_copyprivate,
10601 c_parser_omp_clause_default,
10602 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10603 c_parser_omp_clause_lastprivate,
10604 c_parser_omp_clause_nowait,
10605 c_parser_omp_clause_num_threads,
10606 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10607 c_parser_omp_clause_reduction,
10608 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10609 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10610 c_parser_omp_atomic, c_parser_omp_barrier,
10611 c_parser_omp_critical, c_parser_omp_flush,
10612 c_parser_omp_for_loop, c_parser_omp_for,
10613 c_parser_omp_master, c_parser_omp_ordered,
10614 c_parser_omp_sections_scope, c_parser_omp_sections,
10615 c_parser_omp_parallel, c_parser_omp_single,
10616 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10617 * c-pragma.c (init_pragma): Do omp pragma registration here.
10618 * c.opt (fopenmp): New flag.
10620 2006-01-18 Eric Christopher <echristo@apple.com>
10622 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10623 * config/darwin.h (GOMP_SELF_SPECS): Define.
10625 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10627 * rtl.h: Remove the prototype for reg_alloc.
10629 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10632 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10633 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10634 sjlj and dwarf2 exception handling.
10635 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10636 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10637 * pa/pa.c (function_value): Treat complex and vector types as
10639 (function_arg): Likewise. Only pass scalar floats in the floating
10640 point argument registers.
10641 * pa/t-slibgcc-dwarf-ver: New file.
10642 * pa/t-slibgcc-sjlj-ver: New file.
10643 * pa/t-slibgcc-elf-ver: Delete file.
10645 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10647 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10648 unlikely_test_section_p test.
10650 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10652 * mode-switching.c (optimize_mode_switching): Make it static.
10653 * basic-block.h: Remove the prototype for
10654 optimize_mode_switching.
10656 * modulo-sched.c (sms_schedule): Make it static.
10657 * rtl.h: Remove the prototype for sms_schedule.
10659 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10660 * rtl.h: Remove the prototype for gcse_after_reload_main.
10662 * reg-stack.c (reg_to_stack): Make it static.
10663 * rtl.h: Remove the prototype for reg_to_stack.
10665 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10667 * rtl.h: Remove the prototypes for regrename_optimize and
10668 copyprop_hardreg_forward.
10670 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10672 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10673 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10674 Test against the appropriate null constant for the mode.
10675 If 'fixup_overlap' is true, swap the operands if they overlap.
10676 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10677 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10678 alpha_split_tmode_pair and adjust for above change.
10679 * config/alpha/alpha.md (movtf_internal): Adjust call to
10680 alpha_split_tfmode_pair and rely on it to swap the operands.
10681 (movti_internal): New insn and post-reload splitter.
10682 (movti): New expander.
10684 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10686 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10689 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10691 * rtlanal.c (global_reg_mentioned_p_1,
10692 global_reg_mentioned_p): Remove.
10693 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10695 * flow.c (initialize_uninitialized_subregs): Make it static.
10696 * rtl.h: Remove the prototype for
10697 initialize_uninitialized_subregs.
10699 * function.c (instantiate_virtual_regs): Make it static.
10700 * function.h: Remove the prototype for
10701 instantiate_virtual_regs.
10703 * regmove.c (regmove_optimize, combine_stack_adjustments):
10705 * rtl.h: Remove the prototypes for regmove_optimize and
10706 combine_stack_adjustments.
10708 2006-01-17 Roger Sayle <roger@eyesopen.com>
10710 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10711 (size_cost): Encode costs in bytes so that a reg-reg addition is
10712 equivalent to COSTS_N_INSNS(1).
10713 (override_options): Use the size_cost.branch_cost as the default
10714 ix86_branch_cost when optimizing for size.
10716 2006-01-18 Ben Elliston <bje@au.ibm.com>
10718 * Makefile.in (D32PBIT_FUNCS): New.
10719 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10720 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10721 D64PBIT_FUNCS and D128PBIT_FUNCS.
10722 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10723 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10725 (decnumber_dep): Define.
10726 * doc/libgcc.texi (Decimal float library routines): New node.
10727 * config/dfp-bit.h, config/dfp-bit.c: New files.
10729 2006-01-18 Ben Elliston <bje@au.ibm.com>
10731 * expr.c (emit_move_change_mode): Always adjust addresses, not
10732 just during reload. Copy replacements only during reload.
10733 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10734 emit_move_via_integer.
10736 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10738 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10739 instead of $(srcdir) and ${srcdir}.
10741 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10744 PR middle-end/11135
10745 * arm.h (struct machine_function): Add pic_reg.
10746 * arm.c (arm_pic_register): Make unsigned.
10747 (arm_override_options): Only set arm_pic_register if
10748 TARGET_SINGLE_PIC_BASE.
10749 (use_return_insn): Only test for a pic register if it is fixed.
10750 (arm_compute_save_reg0_reg12_mask): Likewise.
10751 (thumb_compute_save_reg_mask): Likewise.
10752 (legitimate_pic_operand): Factor out some known invariants.
10753 (legitimize_pic_address): If we don't have a fixed pic register,
10754 then set up a pseudo in the function entry sequence. Handle the
10755 pic base being in a pseudo.
10756 (arm_load_pic_register): Handle the pic register being in a pseudo.
10757 (arm_expand_prologue): Only set up the pic register if it is fixed.
10758 (thumb_expand_prologue): Likewise.
10759 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10760 (pic_load_addr_based_insn): Likewise.
10761 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10764 2006-01-18 Ben Elliston <bje@au.ibm.com>
10766 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10767 decimal float modes for all floating point registers.
10769 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10770 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10772 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10775 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10776 even when the pointer is not NULL.
10778 2006-01-16 Ian Lance Taylor <ian@airs.com>
10780 * common.opt (ftoplevel-reorder): New option.
10781 * cgraph.c (cgraph_asm_nodes): New global variable.
10782 (cgraph_asm_last_node): New static variable.
10783 (cgraph_order): New global variable.
10784 (cgraph_create_node): Set new order field.
10785 (cgraph_varpool_node): Likewise.
10786 (decide_is_variable_needed): Return true if not
10787 flag_toplevel_reorder.
10788 (cgraph_add_asm_node): New function.
10789 * cgraph.h (struct cgraph_node): Add order field.
10790 (struct cgraph_varpool_node): Add order field.
10791 (struct cgraph_asm_node): Define.
10792 (cgraph_asm_nodes, cgraph_order): Declare.
10793 (cgraph_add_asm_node): Declare.
10794 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10796 (cgraph_varpool_assemble_pending_decls): Call it.
10797 (cgraph_output_pending_asms): New static function.
10798 (cgraph_finalize_compilation_unit): Call it.
10799 (struct cgraph_order_sort): Define.
10800 (cgraph_output_in_order): New static function.
10801 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10802 !flag_toplevel_reorder case.
10803 * c-parser.c: Include "cgraph.h".
10804 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10806 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10807 than -fno-unit-at-a-time.
10808 * doc/invoke.texi (Option Summary): Mention
10809 -fno-toplevel-reorder.
10810 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10811 -funit-at-a-time documentation.
10813 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10814 Kazu Hirata <kazu@codesourcery.com>
10816 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10818 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10820 * Makefile.in (FUNCTION_H): New. Use it instead of
10821 function.h throughout the file.
10822 * function.h: Include tree.h.
10824 2006-01-17 Ben Elliston <bje@au.ibm.com>
10826 * recog.c: Separate some functions with whitespace.
10828 2006-01-16 Richard Henderson <rth@redhat.com>
10830 Merge from gomp branch:
10831 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10832 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10833 and rename from struct inline_data. Rename callee* to dst*;
10834 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10835 transform_new_cfg, transform_return_to_modify, and
10836 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10838 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10839 (copy_decl_for_dup): Remove.
10840 * tree-inline.c (struct inline_data): Move to header.
10841 (insert_decl_map): Export.
10842 (remap_decl): Update for member name changes. Use copy_decl hook.
10843 Allow for replacement to be a non-decl. Remove dead code.
10844 (remap_type_1): Check for existing mapping.
10845 (remap_type): Export.
10846 (remap_decls): Update for member name changes.
10847 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10848 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10849 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10850 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10851 (tree_function_versioning, build_duplicate_type): Likewise.
10852 (copy_body_r): Likewise. Export.
10853 (copy_decl_for_dup): Split into ...
10854 (copy_decl_for_dup_finish, copy_decl_to_var,
10855 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10856 (replace_ref_tree, inlining_p): Remove.
10858 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10860 * ifcvt.c (if_convert): Make it static.
10861 * rtl.h: Remove the prototype for if_convert.
10863 * local-alloc.c (local_alloc): Make it static.
10864 * rtl.h: Remove the prototype for local_alloc.
10866 * loop.c (loop_optimize): Make it static.
10867 * cfgloop.h: Remove the prototype for loop_optimize.
10870 2006-01-16 DJ Delorie <dj@redhat.com>
10872 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10875 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10877 * pa.md: Disparage copies between general and floating-point registers
10878 in 32-bit move patterns.
10880 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10883 * Makefile.in (check-%): Depend on site.exp instead of
10884 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10887 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10889 * global.c (global_alloc): Make it static.
10890 * rtl.h: Remove the prototype for global_alloc.
10892 2006-01-16 Richard Guenther <rguenther@suse.de>
10894 * tree-ssa-alias.c (struct used_part): Add write_only field.
10895 (get_or_create_used_part_for): Initialize it to true.
10896 (create_overlap_variables_for): Don't create structure variables
10897 for structures that only are written to.
10898 (find_used_portions): Handle MODIFY_EXPR to track whether a
10899 structure is only written to.
10901 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10903 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10905 * basic-block.h: Remove the prototype for
10906 partition_hot_cold_basic_blocks.
10908 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10910 * cppspec.c (lang_specific_spec_functions): Remove.
10911 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10912 * gcc.h (lang_specific_spec_functions): Remove.
10913 * gccspec.c (lang_specific_spec_functions): Remove.
10915 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10917 * combine.c (record_value_for_reg): Invalidate registers
10919 (record_dead_and_set_regs_1): Likewise, by passing them to
10920 record_value_for_reg.
10921 (record_dead_and_set_regs): Invalidate stores made by a
10922 call. We do not combine across a call, but we still
10923 relied on equivalences.
10925 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10927 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10928 vrp_int_const_binop returning non-constant nodes.
10930 2006-01-16 Paul Brook <paul@codesourcery.com>
10932 * config/m68k/m68k.c (output_move_const_into_data_reg):
10933 Output correct mnemonic for mvz and mvs.
10935 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10937 * rtl-factoring.c: Add sequence abstraction algorithm.
10938 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10939 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10941 (block_has_preserve_label): New function.
10942 * common.opt: Register new pass.
10943 * Makefile.in: Ditto.
10945 * timevar.def: Ditto.
10946 * tree-pass.h: Ditto.
10947 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10948 * rtl.h (make_jump_insn_raw): Add forward decl.
10949 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10951 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10952 Roger Sayle <roger@eyesopen.com>
10954 * fold-const.c (fold_minmax): New static function.
10955 (fold_binary) <MIN_EXPR>: Call it.
10956 <MAX_EXPR>: Likewise.
10957 * stor-layout.c (place_field): Use DECL_SIZE consistently
10958 in the computation of the new record size.
10960 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10962 * cse.c (cse_condition_code_reg): Make it static.
10963 * rtl.h: Remove the prototype for cse_condition_code_reg.
10965 * combine.c (combine_instructions): Make it static.
10966 * rtl.h: Remove the prototype for combine_instructions.
10968 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10971 * tree.c (get_file_function_name_long): Concatenate the first global
10972 object name with a string derived from the input filename of the object
10975 2006-01-16 Ben Elliston <bje@au.ibm.com>
10977 * config/i386/winnt-stubs.c: Update FSF address.
10978 * config/xtensa/ieee754-df.S: Ditto.
10979 * config/xtensa/ieee754-sf.S: Ditto.
10981 2006-01-14 Ian Lance Taylor <ian@airs.com>
10983 * ifcvt.c (noce_init_if_info): New static function, broken out of
10984 noce_process_if_block.
10985 (noce_process_if_block): Call noce_init_if_info.
10986 (check_cond_move_block): New static function.
10987 (cond_move_process_if_block): New static function.
10988 (process_if_block): Call cond_move_process_if_block.
10990 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10992 * cselib.c (hash_table): Rename to cselib_hash_table.
10993 (cselib_clear_table, discard_useless_values,
10994 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10995 cselib_init, cselib_finish): Adjust uses of hash_table.
10997 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10999 PR tree-optimization/25485
11000 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11001 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11002 is known to be false and true, respectively.
11004 2006-01-14 Richard Guenther <rguenther@suse.de>
11006 PR tree-optimization/22548
11007 PR tree-optimization/22555
11008 PR tree-optimization/22501
11009 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11010 * params.def (salias-max-array-elements): New parameter.
11011 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11012 * doc/invoke.texi (salias-max-array-elements): Document.
11013 * tree-flow-inline.h (var_can_have_subvars): We also handle
11015 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11017 * tree-ssa-structalias.c (params.h): Include.
11018 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11019 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11020 (get_constraint_for): For ADDR_EXPR operating on something
11021 containing an ARRAY_REF, add all subvars to the solution.
11022 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11023 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11024 for creating MUST_DEFs.
11025 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11027 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11029 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11031 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11032 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11033 number_of_iterations_le): New functions.
11034 (number_of_iterations_special): Removed.
11035 (number_of_iterations_exit): Do not use number_of_iterations_special.
11036 * tree.c (unsigned_type_for): Always return integer type.
11038 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11039 Richard Guenther <rguenther@suse.de>
11041 PR rtl-optimization/24257
11042 * gcse.c (find_moveable_store): Only consider a store movable
11043 when the SET_SRC of the insn can be assigned to a register.
11045 2006-01-14 Ian Lance Taylor <ian@airs.com>
11047 * tree.c (tree_not_class_check_failed): New function.
11048 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11049 (tree_not_class_check_failed): Declare.
11051 2006-01-13 Ian Lance Taylor <ian@airs.com>
11053 * reload1.c (do_output_reload): Add assertion rejecting a
11056 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11058 * combine.c (struct reg_stat): Add new fields truncation_label and
11060 (record_value_for_reg): Reset truncated_to_mode.
11061 (record_truncated_value): New function.
11062 (check_promoted_subreg): Call it. Rename to check_conversions.
11063 (combine_instructions): Rename check_promoted_subreg to
11065 (reg_truncated_to_mode): New function.
11066 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11067 (gen_lowpart_or_truncate): New function.
11068 (force_to_mode): Use it instead of gen_lowpart.
11070 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11072 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11073 VAR is a tag, not its type tag.
11075 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11077 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11078 alternatives to match style of other entries.
11079 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11081 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11083 PR tree-optimization/25771
11084 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11087 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11090 * tree-inline.c (declare_return_variable): If the return variable
11091 was marked as a non gimple complex, set the return slot variable
11092 to be a non gimple comple variable.
11094 2006-01-13 Richard Guenther <rguenther@suse.de>
11096 * builtins.c (expand_builtin_sincos): New function.
11097 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11099 (expand_builtin): Expand sincos using expand_builtin_sincos.
11101 2006-01-12 DJ Delorie <dj@redhat.com>
11103 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11104 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11105 so that constant shifts can be split.
11106 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11107 (m32c_valid_pointer_mode): Make static.
11108 (shift_gen_func_for): New.
11109 (m32c_prepare_shift): Use it. Split large const shifts into
11111 * config/m32c/predicates.md (shiftcount_operand): Allow more
11113 (longshiftcount_operand): New.
11114 * doc/md.texi (Machine Constraints): Document In6.
11116 2006-01-13 Ben Elliston <bje@au.ibm.com>
11118 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11119 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11122 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11124 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11125 to try to avoid clobbering pieces of structures when we know
11126 something about the whole structure.
11127 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11129 2006-01-13 Ben Elliston <bje@au.ibm.com>
11131 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11132 return in memory, as this is no limitation is no longer present.
11134 2006-01-12 DJ Delorie <dj@redhat.com>
11136 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11137 mova with fb, and for fb+0 -> An.
11139 * config/m32c/mov.md (peephole2): Fix enabling logic.
11141 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11142 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11143 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11144 FINI_ARRAY_SECTION_ASM_OP): Define.
11146 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11148 (m32c_legitimize_reload_address): New logic to reload FB to An.
11149 (m32c_output_reg_push): Add newline.
11150 (m32c_output_reg_pop): Likewise.
11152 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11154 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11156 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11158 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11160 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11162 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11165 2006-01-11 Ben Elliston <bje@au.ibm.com>
11167 * rtlanal.c (find_reg_note): Assert insn is not null.
11169 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11171 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11174 2006-01-11 Jeff Law <law@redhat.com>
11176 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11178 (mark_threaded_blocks, register_jump_thread): New functions.
11179 (thread_through_all_blocks): Remove unwanted argument. No
11180 longer rely on e->aux to communicate thread target info.
11181 Call mark_threaded_blocks. Release the threaded_blocks
11182 bitmap and threaded_edges vector when complete.
11183 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11184 (threaded_blocks): Remove.
11185 (tree_ssa_dominator_optimize): Remove initialization and
11186 finalization of threaded_blocks. Simplify call to
11187 thread_through_all_blocks.
11188 (thread_across_edge): Call register_jump_thread rather than
11189 storing thread information into e->aux.
11190 (free_all_edge_infos): Simplify now that e->aux is no longer
11191 used to communicate with thread_through_all_blocks.
11192 * tree-flow.h (thread_through_all_blocks): Update prototype.
11193 (register_jump_thread): Prototype.
11195 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11197 * df-core.c (df_compact_blocks, df_bb_replace): Use
11198 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11200 2006-01-11 Richard Guenther <rguenther@suse.de>
11202 PR tree-optimization/25734
11203 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11204 stop propagation after successful propagation to the LHS.
11206 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11208 * basic-block.h (control_flow_graph): Change the type of
11209 x_basic_block_info to VEC(basic_block,gc) *.
11210 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11212 (SET_BASIC_BLOCK): New.
11213 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11214 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11215 * cfgbuild.c (find_basic_blocks): Likewise.
11216 * cfglayout.c (fixup_reorder_chain): Likewise.
11217 * cfgrtl.c (create_basic_block_structure,
11218 rtl_create_basic_block): Likewise.
11219 * ifcvt.c (find_if_case_1): Likewise.
11220 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11223 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11225 * Makefile.in: Removed rotted odf.c entry.
11227 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11230 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11231 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11232 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11233 output pattern modifier, not %e.
11234 * config/cris/cris.c (cris_op_str): Update comment about pattern
11236 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11237 before falling through into...
11238 <case 'E'>: Redefined from old 'e' case.
11240 2006-01-11 Jan Hubicka <jh@suse.cz>
11243 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11245 2006-01-11 Jan Hubicka <jh@suse.cz>
11247 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11248 * i386.c (x86_decompose_lea): Kill.
11249 (ix86_rtx_costs): Kill.
11251 2006-01-11 Jan Hubicka <jh@suse.cz>
11253 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11254 * cgraph.h (cgraph_node): Add inline_decl.
11255 (cgraph_insert_node_to_hashtable): Declare.
11256 (save_inline_function_body): Declare.
11257 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11259 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11260 (cgraph_function_versioning): Update call of tree_function_versioning.
11261 (save_inline_function_body): New function.
11262 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11263 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11264 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11265 (cgraph_default_inline_p): Likewise.
11266 (cgraph_decide_inlining_incrementally): Likewise.
11267 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11268 (copy_bb): Kill saving; do updating of clones.
11269 (copy_cfg_body): Kill saving.
11270 (initialize_inlined-parameters): Likewise.
11271 (expand_call_inline): Likewise.
11273 (tree_function_versioning): New parameter "update_clones".
11274 (inlining_p): Kill saving.
11275 * tree-inline.h (tree_function_versioning): Update prototype.
11276 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11279 2006-01-11 Ian Lance Taylor <ian@airs.com>
11281 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11282 Allow undoing set of machine mode.
11283 (do_SUBST): Use enums instead of is_int.
11284 (do_SUBST_MODE): New function.
11285 (SUBST_MODE): New macro.
11286 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11287 reg and trying to replace reg_regno_rtx with a new register.
11288 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11289 (simplify_set): Use SUBST_MODE.
11290 (distribute_notes): Remove code that tried to update reg notes
11291 for regno_reg_rtx changes.
11293 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11295 PR tree-optimization/23109
11296 PR tree-optimization/23948
11297 PR tree-optimization/24123
11299 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11300 * tree-cfg.c (single_noncomplex_succ): New.
11301 * tree-flow.h (single_noncomplex_succ): Declare it.
11302 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11303 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11304 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11305 insert_bb, register_division_in, insert_reciprocals,
11306 replace_reciprocal, free_bb): New.
11307 (execute_cse_reciprocals_1): Rewritten.
11308 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11309 Do not commit any edge insertion. Always compute dominators and
11310 create the allocation pool.
11311 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11312 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11313 * targhooks.c (default_min_divistions_for_recip_mul): New.
11314 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11315 * passes.c (init_optimization_passes): Run recip after tree loop
11317 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11319 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11320 Kenneth Zadeck <zadeck@naturalbridge.com>
11322 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11323 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11324 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11325 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11326 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11327 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11328 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11329 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11330 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11331 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11332 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11333 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11334 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11335 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11336 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11337 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11338 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11339 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11340 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11341 DF_SCAN_POST_ALLOC): New macros.
11342 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11343 df_free_bb_function, df_local_compute_function, df_init_function,
11344 df_dataflow_function, df_confluence_function_0,
11345 df_confluence_function_n, df_transfer_function,
11346 df_finalizer_function, df_free_function, df_dump_problem_function,
11347 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11348 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11349 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11350 df_urec_bb_info, ) New types.
11351 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11353 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11354 df_analyze_simple_change_some_blocks,
11355 df_analyze_simple_change_one_block, df_compact_blocks,
11356 df_bb_replace, df_bb_regno_last_use_find,
11357 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11358 df_insn_regno_def_p, df_find_def, df_find_use,
11359 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11360 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11361 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11362 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11363 debug_df_chain, df_get_dependent_problem, df_chain_create,
11364 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11365 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11366 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11367 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11368 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11369 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11370 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11371 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11372 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11373 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11374 df_reorganize_refs, df_set_state, df_hard_reg_init,
11375 df_read_modify_subreg_p) New public functions.
11376 * df-core.c: The core dataflow solver and glue routines for rtl
11378 (df_init, df_add_problem, df_set_blocks, df_finish,
11379 df_hybrid_search_forward, df_hybrid_search_backward,
11380 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11381 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11382 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11383 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11384 df_reg_defined, df_find_use, df_reg_used, df_dump,
11385 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11386 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11387 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11388 debug_df_useno, reset_df_after_reload): New functions.
11389 * df-scan.c: The scanning fuctions, once in df.c, completely
11390 rewritten so that they now fully model the functionality of
11391 register usage at the backend.
11392 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11393 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11394 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11395 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11396 df_get_artificial_defs, df_get_artificial_uses,
11397 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11398 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11399 df_refs_delete, df_reorganize_refs, df_set_state,
11400 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11401 df_def_record_1, df_defs_record, df_uses_record,
11402 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11403 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11404 df_record_exit_block_uses, df_hard_reg_init): New functions.
11406 * df-problems.c: Seven concrete dataflow problems that use the
11407 scanning in df-scan.c and are solved by the engine in df-core.c.
11408 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11409 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11410 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11411 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11412 df_ru_free_bb_info, df_ru_alloc,
11413 df_ru_bb_local_compute_process_def,
11414 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11415 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11416 df_ru_transfer_function, df_ru_free, df_ru_dump,
11417 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11418 df_rd_free_bb_info, df_rd_alloc,
11419 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11420 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11421 df_rd_transfer_function, df_rd_free, df_rd_dump,
11422 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11423 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11424 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11425 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11426 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11427 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11428 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11429 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11430 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11431 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11432 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11433 df_urec_mark_reg_use_for_earlyclobber,
11434 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11435 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11436 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11437 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11438 df_chain_create_bb_process_use, df_chain_create_bb,
11439 df_chain_finalize, df_chain_free, df_chains_dump,
11440 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11441 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11442 df_reg_lifetime): New functions.
11443 * df.c: Deleted file.
11444 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11445 consistent with new df api.
11446 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11447 rest_of_handle_sms): Ditto.
11448 * web.c (unionfind_union, union_defs, entry_register, web_main):
11450 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11451 invariant_expr_equal_p, find_defs, check_dependencies,
11452 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11453 free_inv_motion_data, move_loop_invariants): Ditto.
11454 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11455 Update dependencies.
11456 (odf.c): Added defective entry that was deleted later in day.
11457 * sched-deps.c (sched_analyze_1): Ditto.
11459 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11461 * tree-ssa-operands.c (get_expr_operands): Record addressable
11462 variables directly. Do not call add_stmt_operands for CONST_DECLs
11464 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11465 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11467 2006-01-11 Ben Elliston <bje@au.ibm.com>
11469 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11470 function returns true in the positive case.
11472 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11475 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11476 for SI, DI, SF and DF modes. Add alternatives to copy between
11477 general and floating point registers to the 32-bit patterns.
11478 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11479 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11480 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11481 generating 64-bit code.
11482 * config/pa/pa.c (output_move_double): Handle copies between general
11483 and floating registers.
11485 2006-01-10 Stuart Hastings <stuart@apple.com>
11487 * config/i386/i386.md (set_got): Update.
11488 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11489 (builtin_setjmp_receiver): Mach-O support.
11490 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11491 (GOT_SYMBOL_NAME): Define.
11492 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11493 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11494 * config/i386/i386.c (override_options): Revise for Darwin.
11495 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11496 support. (darwin_x86_file_end): New. (output_set_got): Add label
11497 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11498 * config/i386/i386-protos.h (output_set_got): Likewise.
11499 * config/darwin.c (machopic_legitimize_pic_address): Update
11502 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11504 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11505 when MODE isn't BLKmode.
11507 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11509 PR rtl-optimization/25367
11510 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11512 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11515 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11516 for a negative bound.
11518 2006-01-10 Richard Guenther <rguenther@suse.de>
11520 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11521 Never override with anything constraint.
11523 2006-01-10 Jan Beulich <jbeulich@novell.com>
11525 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11526 256 bits when optimize_size.
11528 2006-01-10 Jan Beulich <jbeulich@novell.com>
11530 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11532 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11533 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11536 2006-01-10 Ben Elliston <bje@au.ibm.com>
11538 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11540 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11541 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11542 (USE_FP_FOR_ARG): Reject decimal float modes.
11543 (function_arg_advance): Likewise.
11544 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11545 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11546 point types in AltiVec vectors.
11547 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11548 (rs6000_libcall_value): Likewise.
11550 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11552 * config/xtensa/ieee754-df.S: New file.
11553 * config/xtensa/ieee754-sf.S: New file.
11554 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11555 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11556 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11558 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11560 * config/sh/predicates.md (binary_float_operator,
11561 binary_logical_operator, commutative_float_operator,
11562 equality_comparison_operator, greater_comparison_operator,
11563 less_comparison_operator, logical_operator,
11564 noncommutative_float_operator, shift_operator,
11565 symbol_ref_operand, unary_float_operator): Remove redundant
11568 2006-01-09 Jeff Law <law@redhat.com>
11570 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11571 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11572 now unused arguments. Callers updated.
11573 (eliminate_redundant_computations): Remove now unused arguments,
11575 (local_fold): Remove, no longer used.
11576 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11578 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11579 (simplify_cond): New function.
11580 (forward_propagate_into_cond): Call simplify_cond.
11582 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11584 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11585 (*vec_extractv2di_1_sse): New.
11587 2006-01-09 Ben Elliston <bje@au.ibm.com>
11589 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11591 2006-01-08 Richard Guenther <rguenther@suse.de>
11593 * tree-ssa-structalias.c (get_constraint_for): Remove
11594 anyoffset argument.
11595 (get_constraint_for_component_ref): Likewise.
11596 (do_deref): Likewise.
11597 (get_constraint_for): Likewise.
11598 (do_structure_copy): Likewise.
11599 (handle_ptr_arith): Likewise.
11600 (find_func_aliases): Likewise. Remove unused need_anyoffset
11603 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11604 Kaz Kojima <kkojima@gcc.gnu.org>
11606 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11607 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11608 (EXTRA_CONSTRAINT_C16): Remove.
11609 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11610 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11611 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11612 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11613 constants of SHmedia. Handle nested constant expressions of
11615 (andcosts): Fix the costs for SHmedia constants.
11616 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11617 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11618 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11619 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11620 (movv4hi_i, movv2si_i): Likewise.
11621 (movsi_const): Adjust the second operand of ior so to match with
11622 the Csu constraint.
11623 (movdi_const, movdi_const_32bit): Likewise.
11624 (movdi_const_16bit+1): Don't sign-extend LOW.
11625 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11627 (*double_shori): Fix the split condition. Use GEN_INT instead
11628 of get_int_mode calls. Mask lower 16-bit of the argument of
11630 (sym2GOTPLT): Remove.
11631 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11633 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11634 instead of EXTRA_CONSTRAINT_C16.
11636 2006-01-07 Ian Lance Taylor <ian@airs.com>
11637 David Edelsohn <edelsohn@gnu.org>
11639 PR rtl-optimization/25662
11640 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11641 for constant operands instead of simplify_gen_binary.
11642 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11643 after trying simplify_binary_operation
11645 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11647 * tree.c (iterative_hash_expr): Hash decls based on UID.
11649 2006-01-06 Eric Christopher <echristo@apple.com>
11651 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11652 (TARGET_UNWIND_EMIT): Fix spelling.
11653 * target.h (gcc_target): Add except_table_label.
11654 * except.c (output_function_exception_table): Use.
11655 * varasm.c (default_emit_except_table_label): New.
11656 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11658 (asm_out): Add here.
11659 * output.h (default_emit_except_table_label): Prototype.
11660 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11661 * config/darwin.c (darwin_emit_except_table_label): Define.
11662 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11664 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11666 PR tree-optimization/18527
11667 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11668 number_of_iterations_special, number_of_iterations_exit):
11669 Move base and step of an iv to a single structure. Add
11670 no_overflow flag, and use it in # of iterations analysis.
11671 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11672 folded_casts argument.
11673 (simple_iv): Pass base and step in a structure. Set no_overflow
11675 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11676 Evaluate expensiveness of computing # of iterations instead of
11677 the final expression.
11678 * tree-scalar-evolution.h (affine_iv): New structure.
11679 (simple_iv): Declaration changed.
11680 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11681 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11682 find_givs_in_stmt): Changed due to simple_iv change.
11684 2006-01-06 Jeff Law <law@redhat.com>
11687 * tree-cfg.c (bsi_replace): Rename final argument from
11688 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11689 change (stmt -> orig_stmt).
11690 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11691 (bsi_remove): Add new argument. Remove EH information
11693 (verify_eh_throw_table_statements): New function.
11694 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11696 * tree-optimize.c (execute_free_cfg_annotations): Verify
11697 the EH throw statement table after removing annotations.
11698 * except.h (verify_eh_throw_table_statements): Prototype.
11699 * tree-flow.h (bsi_remove): Update prototype.
11700 * tree-vrp.c (remove_range_assertions): Add new argument to
11702 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11703 * tree-complex.c (expand_complex_div_wide): Likewise.
11704 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11705 * tree-tailcall.c (eliminate_tailcall): Likewise.
11706 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11707 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11708 * tree-nrv.c (tree_nrv): Likewise.
11709 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11710 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11711 (combine_blocks): Likewise.
11712 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11713 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11714 (cleanup_control_flow): Likewise.
11715 (remove_forwarder_block): Likewise.
11716 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11717 * tree-sra.c (sra_replace): Likewise.
11718 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11719 (forward_propagate_single_use_vars): Likewise.
11720 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11721 * tree-inline.c (expand_call_inline): Likewise.
11722 * tree-vect-transform.c (vect_transform_loop): Likewise.
11723 * tree-outof-ssa.c (rewrite_trees): Likewise.
11724 * tree-cfg.c (make_goto_expr_edges): Likewise.
11725 (cleanup_dead_labels): Likewise.
11726 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11727 (bsi_move_before, bsi_move_after): Likewise.
11728 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11729 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11731 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11734 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11736 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11737 on non gimple variables. Also add checks at the top for decls and
11739 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11741 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11742 and IMAGPART_EXPR for creating MUST_DEFs.
11743 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11744 and NAME_MEMORY_TAG separately from the DECLs.
11746 2006-01-06 Richard Guenther <rguenther@suse.de>
11748 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11749 annotation, if necessary.
11750 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11751 redundant calls to update_stmt.
11752 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11755 2006-01-05 Richard Henderson <rth@redhat.com>
11757 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11759 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11761 * c-typeck.c: Update copyright date.
11763 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11765 * c-typeck.c (build_c_cast): Always warn when casting
11766 from a pointer to an integer of different size, even if
11767 the node was constant.
11769 2006-01-05 Richard Guenther <rguenther@suse.de>
11771 PR tree-optimization/22555
11772 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11773 if one structure field is an array.
11774 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11775 operands even if we found a subvar, but ignore VOPs in this
11777 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11779 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11781 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11783 PR middle-end/24998
11784 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11786 2006-01-05 Richard Guenther <rguenther@suse.de>
11787 Diego Novillo <dnovillo@redhat.com>
11789 * tree-pass.h (TODO_remove_unused_locals): Define.
11790 * gimple-low.c (expand_var_p, remove_useless_vars,
11791 pass_remove_useless_vars): Remove. Update all users.
11792 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11793 (remove_unused_locals): New function.
11794 * tree-flow.h (remove_unused_locals): Declare.
11795 * passes.c (execute_todo): Call remove_unused_locals if
11796 TODO_remove_unused_locals is set.
11797 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11798 * tree-ssa-dce.c (pass_dce): Likewise.
11799 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11801 2006-01-05 Richard Guenther <rguenther@suse.de>
11803 * tree-flow.h (struct fieldoff): Decompose field to
11804 type, size and decl.
11805 * tree-ssa-alias.c (create_sft): Take type as parameter.
11806 (create_overlap_variables_for): Store type, size and decl
11807 in the fieldoff structure.
11808 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11809 of struct fieldoff.
11810 (push_fields_onto_fieldstack): Likewise.
11811 (create_variable_info_for): Likewise. Use offset for the
11812 SFT name if the decl is not available.
11814 2006-01-04 Paul Brook <paul@codesourcery.com>
11816 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11818 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11820 * lambda-code.c (can_put_in_inner_loop): Relax
11822 (can_put_after_inner_loop): New function.
11823 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11824 (perfect_nestify): Change to make copies and modify uses.
11826 2006-01-04 Richard Henderson <rth@redhat.com>
11828 Merge from gomp branch:
11829 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11830 via integer constant.
11831 (pragma_lex): Remove.
11832 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11833 rather than parsing it.
11834 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11835 handle_pragma_extern_prefix): Add %< %> quotes.
11836 (registered_pragmas): New.
11837 (c_register_pragma_1): New.
11838 (c_register_pragma): Use it.
11839 (c_register_pragma_with_expansion): Likewise.
11840 (c_invoke_pragma_handler): New.
11841 (init_pragma): Use cpp_register_deferred_pragma directly for
11843 * c-pragma.h (enum pragma_kind): New.
11844 (pragma_handler): New.
11845 (c_invoke_pragma_handler): Declare.
11846 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11848 * c-common.h (c_common_pch_pragma): Update decl.
11849 * Makefile.in (c-parser.o): Update dependencies.
11850 (GTFILES): Add c-pragma.h.
11851 * c-parser.c (struct c_token): Add pragma_kind.
11852 (struct c_parser): Add in_pragma.
11853 (c_lex_one_token): Always initialize keyword and pragma_kind.
11854 Extract data for CPP_PRAGMA.
11855 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11856 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11857 Don't allow CPP_PRAGMA_EOL if in_pragma.
11858 (c_parser_consume_pragma): New.
11859 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11860 (c_parser_skip_to_end_of_parameter): Likewise.
11861 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11862 (c_parser_skip_to_pragma_eol): New.
11863 (c_parser_external_declaration): Handle CPP_PRAGMA.
11864 (c_parser_compound_statement_nostart): Likewise.
11865 (c_parser_statement_after_labels): Likewise.
11866 (c_parser_pragma): New.
11867 (pragma_lex): Likewise.
11868 (c_parser_pragma_pch_preprocess): New.
11869 (c_parser_new): Merge into ...
11870 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11872 2006-01-04 Jeff Law <law@redhat.com>
11875 * tree-cfg.c (bsi_replace): Remove the original statement
11876 from the EH throw statement table.
11878 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11880 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11881 make the prototype extern "C" and add throw ().
11884 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11885 and pos non-negative and pos + len <= 32.
11886 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11887 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11888 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11891 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11892 as well as sizes not multiple of component size.
11895 * function.c (instantiate_expr): New function.
11896 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11897 walk its DECL_VALUE_EXPR with instantiate_expr.
11899 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11900 DW_OP_deref{,_size} if address isn't going to be added.
11902 2006-01-04 Ben Elliston <bje@au.ibm.com>
11904 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11905 * config/fp-bit.c: Likewise.
11907 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11909 * dominance.c: Add comment about why we use DFS numbering
11912 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11913 Richard Henderson <rth@redhat.com>
11915 Merge from gomp-branch:
11916 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11917 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11919 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11921 PR rtl-optimization/25578
11922 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11923 pass a parameter to simplify_shift_const if changing ASHIFTRT
11926 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11928 * builtins.c (get_builtin_sync_mem): New function.
11929 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11930 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11931 Call get_builtin_sync_mem to generate mem rtx.
11933 2006-01-03 Richard Guenther <rguenther@suse.de>
11936 * stmt.c (add_case_node): Make sure to clear overflow flags
11939 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11941 Merge from gomp-branch.
11942 * config/sparc/sync.md: New file.
11943 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11944 UNSPECV_LDSTUB): New constants.
11945 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11946 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11947 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11950 2006-01-03 Roger Sayle <roger@eyesopen.com>
11952 * combine.c (reg_subword_p): New predicate to test whether the
11953 destination of a set refers to a subword/piece of a register.
11954 (try_combine): Generalize the code to merge the setting of a
11955 pseudo to a constant followed by a set of a subword of that
11956 register to a constant.
11958 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11960 * basic-block.h (control_flow_graph): Change the type of
11961 x_label_to_block_map to VEC(basic_block,gc) *.
11962 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11963 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11965 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11966 VEC(basic_block,heap) *.
11967 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11968 ssa_prop_fini): Adjust the uses of cfg_blocks.
11970 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11972 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11974 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11975 hashing trees instead of a pointer hash.
11976 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11977 compare for MEM_EXPR.
11979 PR rtl-optimization/25130
11980 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11981 when comparing MEMs for GCSE
11983 2006-01-03 Ben Elliston <bje@au.ibm.com>
11985 * targhooks.h (default_decimal_float_supported_p): Declare.
11986 * targhooks.c (default_decimal_float_supported_p): Define.
11987 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11988 `default_decimal_float_supported_p'.
11989 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11991 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11993 * combine.c (apply_distributive_law <SUBREG>): Check
11994 TRULY_NOOP_TRUNCATION.
11996 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11998 * dwarf2out.c (have_switched_text_section): Delete.
11999 (have_multiple_function_sections): New.
12000 (have_location_lists): Make 'bool'.
12001 (add_AT_loc_list): Use 'true' not '1'.
12002 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12003 (output_loc_list): Use have_multiple_function_sections.
12004 (output_ranges): Likewise.
12005 (dwarf2out_begin_function): Set have_multiple_function_sections if
12007 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12008 Check function_section rather than DECL_SECTION_NAME.
12009 (dwarf2out_finish): Use have_multiple_function_sections.
12010 Don't clear have_location_lists.
12012 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12013 Jan Hubicka <jh@suse.cz>
12015 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12016 case of conditional jump jumping to the next instruction.
12017 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12018 cases of conditional jump jumping to the next instruction.
12020 2006-01-02 Jan Hubicka <jh@suse.cz>
12022 * i386.c (*_cost): Add COSTS_N_INSNS.
12023 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12025 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12028 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12030 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12032 * config/arm/arm.c (all_fpus): Fix comment typo.
12033 * config/darwin.c: Likewise.
12034 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12035 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12036 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12038 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12040 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12041 (rs6000_split_compare_and_swapqhi): New.
12042 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12043 (sync_compare_and_swapqhi_internal): New.
12044 * config/rs6000/rs6000-protos.h: Declare.