1 2006-06-03 Roger Sayle <roger@eyesopen.com>
4 * config/i386/i386.c (construct_container): Split static issued_error
5 flag into issued_sse_arg_error, issued_sse_ret_error and
6 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7 requires the use of x87 registers and the user explicitly
8 specified the -mno-80387 command line option.
10 2006-06-02 Geoffrey Keating <geoffk@apple.com>
12 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
13 HAVE_DECL_SIGALTSTACK.
15 (segv_handler): Use MC_FLD.
16 * configure.ac: Check for a sigaltstack declaration.
17 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
18 * configure: Regenerate.
19 * config.in: Regenerate.
21 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
24 * Makefile.in (stmp-fixinc): Fix typo.
26 2006-06-02 Roger Sayle <roger@eyesopen.com>
28 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
29 are type correct. Clean-up.
30 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
31 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
33 2006-06-01 DJ Delorie <dj@redhat.com>
35 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
36 shift, as we've disabled the "switch" insn that needs it.
38 2006-06-01 Per Bothner <bothner@bothner.com>
40 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
41 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
42 * c-ppoutput.c (cb_define): Don't increment line 0.
44 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
46 * doc/invoke.texi: Add cpu_type power6.
47 * config.gcc: Add cpu_type power6.
48 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
49 to power5+ with Altivec.
50 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
51 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
53 2006-05-30 Anatoly Sokolov <aesok@post.ru>
55 * config/avr/avr.h (SET_ASM_OP): Define.
57 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
59 * config/bfin/bfin.c: Fix comment typos.
61 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
64 * doc/install.texi: Document --enable-bootstrap and
67 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
69 * doc/install.texi: Document that InfoZIP can replace jar.
71 2006-05-31 Roger Sayle <roger@eyesopen.com>
73 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
74 isn't available, directly generate the simpler x87 patterns without
75 the (use (const_int 0)).
76 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
77 implementation isn't available.
78 (*negdf2_1): Likewise.
79 (*negxf2_1): XF mode negation is always done using the x87.
80 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
82 2006-05-31 Roger Sayle <roger@eyesopen.com>
84 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
85 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
87 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
89 2006-05-31 Jie Zhang <jie.zhang@analog.com>
91 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
92 * config/bfin/bfin.c (basic-block.h): Include.
93 (struct machine_function): New.
94 (bfin_init_machine_status): New.
95 (override_options): Initialize init_machine_status.
96 (bfin_hardware_loop): New.
97 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
98 (DEF_VEC_P (loop_info)): New.
99 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
100 (struct loop_info): New.
101 (loop_info): New typedef.
102 (struct loop_work): New.
103 (loop_work): New typedef.
104 (DEF_VEC_O (loop_work)): New.
105 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
106 (bfin_dump_loops): New.
107 (bfin_bb_in_loop): New.
108 (bfin_scan_loop): New.
109 (bfin_optimize_loop): New.
110 (bfin_reorg_loops): New.
111 (bfin_reorg): Use bfin_reorg_loops.
112 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
114 (I_REGNO_P): Simplify.
115 (DP_REGNO_P, DPREG_P): New macros.
116 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
117 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
118 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
119 Add LT_REGS, LC_REGS, LB_REGS.
120 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
122 (REGNO_REG_CLASS): Deal with loop registers.
123 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
125 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
126 New constants for loop registers.
127 (UNSPEC_LSETUP_END): New.
128 (seq_insns): New define_attr. Set it for appropriate insns.
129 (movsi_insn): Add alternatives for move from/to
130 loop count registers.
131 (doloop_end): New define_expand.
132 (loop_end): New define_insn.
133 (define_split for bad doloop_end): New.
134 (lsetup_with_autoinit): New define_insn.
135 (lsetup_without_autoinit): New define_insn.
136 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
137 * config/bfin/predicates.md (lc_register_operand): New.
138 (lt_register_operand): New.
139 (lb_register_operand): New.
140 (nondp_register_operand): New.
141 (nondp_reg_or_memory_operand): New.
142 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
144 2006-05-31 Jie Zhang <jie.zhang@analog.com>
146 * config/bfin/bfin.c (bfin_delegitimize_address): New.
147 (TARGET_DELEGITIMIZE_ADDRESS): Define.
149 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
151 * Makefile.in (CATALOGS): Add po/ prefix.
152 * configure: Regenerated.
154 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
157 * arm.c (arm_print_operand case 'S'): Validate that the operand is
158 a shift operand before calling shift_op. Avoid redundant call of
161 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
162 DJ Delorie <dj@redhat.com>
164 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
165 we're inserting is a singlt-bit constant.
167 2006-05-30 Roger Sayle <roger@eyesopen.com>
169 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
170 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
172 2006-05-30 Roger Sayle <roger@eyesopen.com>
174 PR tree-optimization/23452
175 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
176 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
177 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
178 complex values and with -ffast-math for FP complex values.
180 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
182 * c-common.h: Remove the prototype for yyparse.
183 * rtl.h: Remove the prototype for init_loop.
185 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
187 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
190 2006-05-30 Roger Sayle <roger@eyesopen.com>
192 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
194 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
195 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
197 2006-05-30 Dirk Mueller <dmueller@suse.de>
200 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
201 for CONSTANT_CLASS_P expresisons.
203 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
206 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
208 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
210 PR tree-optimization/27779
211 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
212 initial_condition instead of CHREC_LEFT.
214 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
216 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
217 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
218 Make prototypes ISO C90.
220 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
221 Leehod Baruch <leehod.baruch@weizmann.ac.il>
223 * see.c (see_analyze_one_def): Correct check.
224 (see_get_extension_data): Check if extension is parallel.
225 (see_get_extension_reg): Likewise.
227 2006-05-30 Uros Bizjak <uros@kss-loka.si>
230 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
231 into register for (code == GTU).
233 2006-05-29 Roger Sayle <roger@eyesopen.com>
235 PR tree-optimization/24964
236 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
237 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
238 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
239 abs(x)*abs(x) as x*x for scalar floating point modes.
241 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
244 * lambda-code.c (perfect_nestify): Don't copy statements
245 in the inner loop: move them to the inner loop header.
247 2006-05-29 Diego Novillo <dnovillo@redhat.com>
250 * c-tree.texi: Document OpenMP directives and clauses.
252 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
254 * varasm.c (globalize_decl): Fix indentation.
256 2006-05-29 Diego Novillo <dnovillo@redhat.com>
259 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
260 pass_fre, pass_store_ccp, pass_copy_prop,
261 pass_store_copy_prop, pass_merge_phi, pass_nrv,
262 pass_return_slot, pass_object_size, pass_lim,
263 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
264 pass_loop_prefetch and pass_stdarg.
266 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
268 * config/bfin/bfin.opt (mfdpic): New option.
269 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
270 (EXTRA_MULTILIB_PARTS): Likewise.
271 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
272 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
274 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
275 (CRT_CALL_STATIC_FUNCTION): New.
276 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
278 (CRT_CALL_STATIC_FUNCTION): New.
279 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
281 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
282 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
283 (initialize_trampoline): Changed to handle FD-PIC code generation.
284 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
285 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
286 (override_options): Disallow -mid-shared-library -mfdpic combination.
287 Can't do unaligned ops if FD-PIC.
288 Turn off flag_pic if trying to generate non-id-shared-library
289 non-fdpic code, since it's not supported.
290 (bfin_assemble_integer): New function.
291 (TARGET_ASM_INTEGER): Define.
292 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
294 * config/bfin/crtn.s: Restore them.
295 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
297 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
298 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
299 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
300 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
301 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
303 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
304 FDPIC_REGS and FDPIC_FPTR_REGS.
305 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
306 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
307 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
308 (load_funcdescsi): New pattern.
309 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
310 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
311 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
313 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
315 * gcse.c, rtlanal.c: Remove obsolete comments associated with
318 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
320 * tree-flow.h: Remove the prototype for add_type_alias.
321 * tree-ssa-alias.c (add_type_alias): Remove.
323 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
325 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
326 config/fr30/fr30.md, config/i386/i386-interix.h,
327 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
328 config/sh/superh64.h, config/v850/v850.c, df-core.c,
329 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
330 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
331 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
332 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
333 Follow spelling conventions.
334 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
335 Follow spelling conventions.
337 2006-05-27 Richard Guenther <rguenther@suse.de>
340 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
341 to produce a constant of value 1 of generic type.
343 2006-05-27 Dirk Mueller <dmueller@suse.de>
345 * cgraphunit.c (decide_is_function_needed): Fix wrong
348 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
350 PR rtl-optimization/27661
351 * reload.c (find_reloads): When reloading a VOIDmode constant
352 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
353 use Pmode as mode of the reload register.
355 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
357 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
358 is enabled at -O and above.
360 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
363 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
366 2006-05-25 Mark Mitchell <mark@codesourcery.com>
369 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
370 for anonymous variables explicitly declared by front ends.
372 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
374 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
375 (struct alias_info): Add new field ref_all_symbol_mem_tag.
376 * tree-ssa-alias.c (compute_may_aliases): If the program contains
377 ref-all pointers, run a finalization pass for them.
378 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
379 (finalize_ref_all_pointers): New function.
380 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
381 regular pointer type to a ref-all pointer type.
382 (get_tmt_for): Return the special memory tag for ref-all pointers.
384 2006-05-25 Richard Guenther <rguenther@suse.de>
387 * fold-const.c (fold_binary): Do not look at the stripped
388 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
390 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
392 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
393 for LT and GT if the computed range is effectively empty.
395 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
398 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
399 mips_quad_format formats instead of ieee_single_format,
400 ieee_double_format and ieee_quad_format formats, respectively.
402 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
404 PR tree-optimization/27639
405 PR tree-optimization/26719
406 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
407 call to scev_probably_wraps_p.
408 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
409 used_in_pointer_arithmetic_p, convert_step): Removed.
410 (nowrap_type_p): New function.
411 (scev_probably_wraps_p): Rewritten.
412 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
413 chrec_convert if chrec_convert_aggressive might have been used.
414 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
415 scev_direction): New functions.
416 (chrec_convert): Changed to a wrapper over chrec_convert_1.
417 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
418 instead of convert_step.
419 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
420 (convert_step): Declaration removed.
421 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
423 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
425 * df-core.c: Added to header comments.
426 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
427 df_ur_bb_info, df_urec_bb_info): Added comments.
428 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
429 urec, ri problems): Fixed header comments.
430 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
431 code from df_rd_transfer_function.
433 2006-05-23 Richard Sandiford <richard@codesourcery.com>
435 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
436 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
437 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
439 2006-05-23 Joseph Myers <joseph@codesourcery.com>
441 * expr.c (undefined_operand_subword_p): New.
442 (emit_move_multi_word): Do not generate move from undefined bits
443 of a paradoxical subreg.
445 2006-05-23 Richard Sandiford <richard@codesourcery.com>
447 PR rtl-optimization/27736
448 * combine.c (replaced_rhs_value): New variable.
449 (combine_instructions): Set it.
450 (distribute_notes): When distributing a note in replaced_rhs_insn,
451 check whether the value was used in replaced_rhs_value.
453 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
456 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
457 add_referenced_var instead of add_referenced_tmp_var.
458 * tree-complex.c (create_one_component_var): Use add_referenced_var.
459 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
461 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
462 tree_optimize_tail_calls_1): Use add_referenced_var.
463 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
464 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
465 Use add_referenced_var.
466 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
467 * gimplify.c (force_gimple_operand): Use add_referenced_var.
468 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
469 Use add_referenced_var.
470 * tree-dfa.c (struct walk_state): Remove.
471 (find_referenced_vars): Remove walk state and vars_found hash table.
472 (make_rename_temp): Use add_referenced_var.
473 (find_vars_r): Pass less parameters to add_referenced_var.
474 (referenced_var_p): New. Is var in referenced_var hash table.
475 (referenced_var_insert): Assert var isn't already in hash table.
476 (add_referenced_var): Don't need walk_state parameter. Add var if it
477 isn't already in the hash table.
478 (add_referenced_tmp_var): Remove.
479 (find_new_referenced_vars_1): Use add_referenced_var.
480 * tree-ssa-pre.c (create_expression_by_pieces,
481 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
482 Use add_referenced_var.
483 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
484 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
485 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
487 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
488 vect_create_data_ref_ptr, vect_create_destination_var,
489 vect_init_vector, vect_build_loop_niters,
490 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
491 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
492 Use add_referenced_var.
493 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
494 * tree-flow.h (add_referenced_tmp_var): Remove prototype
495 (add_referenced_var): Add prototype.
496 * tree-ssa-structalias.c (get_constraint_for,
497 intra_create_variable_infos): Use add_referenced_var.
499 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
501 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
502 big-endian paradoxical subregs.
503 * var-tracking.c (struct micro_operation_def): Document that,
504 for modify micro operations, insn is the subsequent instruction.
505 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
506 (var_reg_set, var_mem_set): ... new functions.
507 (add_stores): Record subsequent insn.
508 (compute_bb_dataflow): Use new functions for MO_USE.
509 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
510 notes after the insn, and modify notes before the insn known
511 to be the subsequent one.
512 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
514 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
517 * config/i386/i386.c (ix86_expand_builtin): Use
518 gen_sse3_monitor64 for TARGET_64BIT.
520 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
522 PR rtl-optimization/26375
523 PR rtl-optimization/26855
524 * df-problems (df_ru_bb_local_compute_process_def): Removed update
526 (df_ru_bb_local_compute): Reversed statements and removed bogus
527 comment explaining why they should be in wrong order.
528 (df_ru_dump, df_rd_dump): Enhanced debug info.
529 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
531 * ddg.c (add_deps_for_def): Converted use of reaching defs to
532 reaching uses and fixed space problem.
534 2006-05-23 Jan Hubicka <jh@suse.cz>
536 * cgraphunit.c (decide_is_function_needed): Also nested functions
537 and functions declared inline can be optimized out at -O0.
539 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
541 * doc/install.texi (Configuration): Remove reference to CrossGCC
542 FAQ which was hijacked.
545 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
548 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
549 ix86_compare_emitted is non-NULL.
551 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
554 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
557 2006-05-22 Richard Sandiford <richard@codesourcery.com>
559 PR rtl-optimization/25514
560 * combine.c (replaced_rhs_insn): New variable.
561 (combine_instructions): Set replaced_rhs_insn when trying to replace
562 a SET_SRC with a REG_EQUAL note.
563 (distribute_notes): Use replaced_rhs_insn when determining the live
564 range of a REG_DEAD register.
566 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
567 Anatoly Sokolov <aesok@post.ru>
569 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
570 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
571 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
572 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
573 atmega3290, atmega649, atmega6490, atmega406, atmega640,
574 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
575 at90usb647, at90usb1286 and at90usb1287 devices.
576 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
577 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
579 2006-05-22 Richard Sandiford <richard@codesourcery.com>
581 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
583 2006-05-22 Richard Guenther <rguenther@suse.de>
586 2006-01-31 Richard Guenther <rguenther@suse.de>
587 Paolo Bonzini <bonzini@gnu.org>
589 * doc/install.texi (--disable-libgcc-math): Document.
591 2006-05-22 Richard Guenther <rguenther@suse.de>
594 2006-01-31 Richard Guenther <rguenther@suse.de>
596 * doc/invoke.texi (-msselibm): Document.
597 * target.h (expand_library_builtin): New target hook.
598 * builtins.c (expand_builtin): Use expand_library_builtin.
599 (default_expand_library_builtin): New function.
600 * gcc.c (LINK_GCC_MATH_SPEC): Define.
601 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
602 (link_gcc_math_spec): Declare.
603 (static_specs): Add link_gcc_math_spec.
604 * expr.h (default_expand_library_builtin): Declare.
605 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
606 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
607 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
608 * config/i386/i386.opt (msselibm): New target option.
609 * config/i386/i386.c (ix86_builtin_function_variants): New array.
610 (ix86_init_sse_abi_builtins): New function.
611 (ix86_expand_library_builtin): Likewise.
612 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
613 (override_options): Handle error conditions wrt -msselibm.
614 (ix86_builtins): Add function codes for SSE2 ABI builtins.
615 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
616 * doc/extend.texi (__builtin_sse2_*): Document new target specific
619 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
622 * c-common.c (self_promoting_args_p): Skip erroneous args.
625 * c-decl.c (finish_struct): Skip erroneous fields.
627 2006-05-22 Nick Clifton <nickc@redhat.com>
629 * config/cris/cris.opt (march): Remove VarExists attribute.
630 (max-stackframe=): Likewise.
632 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
634 * doc/rtl.texi: Fix a typo.
635 * see.c: Fix comment typos.
637 * tree-ssa-structalias.h (alias_info): Remove num_references.
639 2006-05-21 Mike Stump <mrs@apple.com>
641 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
643 (darwin_pragma_options): Use BAD instead.
644 (darwin_pragma_unused): Likewise.
645 (darwin_pragma_ms_struct): Likewise.
647 2006-05-21 David Edelsohn <edelsohn@gnu.org>
649 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
651 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
653 PR rtl-optimization/27671
654 * simplify-rtx.c (simplify_relational_operation_1): Fix
655 simplifications of (eq/ne (xor x y) y) and
658 PR tree-optimization/26622.
659 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
662 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
664 * tree-cfg.c: Prune whitespace.
665 (debug_tree_cfg): Point to correct header containing the
668 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
671 * cgraphunit.c (verify_cgraph_node): Typo in error message.
673 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
676 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
677 or sorry count is non zero.
679 2006-05-20 Andreas Schwab <schwab@suse.de>
681 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
683 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
684 Kenneth Zadeck <zadeck@naturalbridge.com>
686 PR rtl-optimization/26855
688 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
690 (df_scan_alloc): Added code to properly handle multiword hard
691 registers and add all_blocks parameter.
692 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
693 code to properly handle multiword hard registers.
694 (df_rescan_blocks): Added code to remove deleted blocks from
696 (df_ref_create_structure, df_ref_record): Added code to properly
698 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
699 and set DF_REF_PARTIAL.
700 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
701 (df_uses_record): Added DF_REF_PARTIAL for subreg.
702 (df_scan_add_problem): Added flags parameter.
703 (df_ref_create_structure): Changed switching structure.
704 (df_bb_refs_record): Fixed case where duplicate artificial refs
705 were created. Changed location of flags.
706 (df_record_entry_block_defs): Added code to make stack pointer
707 live in entry block. Refined cases where frame pointer is needed.
708 Changed location of flags.
709 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
710 (df_set_state): Removed function.
711 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
712 df_insn_create_insn_record, df_insn_refs_delete,
713 df_ref_create_structure): Formatting changes.
714 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
715 df_delete_basic_block): New function.
716 (df_init): Changed location of flags.
717 (df_add_problem): Added flags parameter and the way flags are
719 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
720 debug_df_chain): Improved debugging output.
721 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
722 (df_refs_chain_dump): Removed df parameter.
723 (df_iterative_dataflow): Added consistency check.
724 (df_prune_to_subcfg): Made public.
725 (df_analyze_problem): Added blocks_to_init parameter and made
727 (df_ref_record, df_bb_refs_record, df_mark_reg,
728 df_record_exit_block_uses): Whitespace changes.
729 (df_dump): Whitespace changes.
730 * df.h: Some reordering to remove forward references.
731 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
732 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
733 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
734 (dataflow.flags): New field.
735 (df.flag): Deleted field.
736 (df_alloc_function): Added additional bitmap parameter.
737 (df_dependent_problem_function): New type.
738 (df_problem.changeable_flags): New field.
739 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
740 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
741 (df_mw_hardreg): New struct.
742 (DF_INSN_UID_MWS): New macro.
743 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
745 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
746 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
747 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
748 (df_set_state): Removed function.
749 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
750 * df-problems.c (df_chain_dump): Removed df parameter.
751 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
752 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
754 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
755 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
756 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
757 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
758 DF_REF_MUST_CLOBBER cases.
759 (df_ru_bb_local_compute_process_def,
760 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
761 df_lr_bb_local_compute, df_ur_bb_local_compute,
762 df_chain_create_bb): Made subreg aware.
763 (df_ru_bb_local_compute, df_rd_bb_local_compute,
764 df_lr_bb_local_compute, df_lr_bb_local_compute,
765 df_chain_create_bb): Cleanup to use proper macros.
766 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
767 code to fixup bitvectors.
768 (df_ri_alloc): Cleared lifetime.
769 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
770 df_create_unused_note): New function.
771 (df_ri_bb_compute, df_ri_compute): Added code to create/update
772 REG_DEAD and REG_UNUSED notes as well as register information.
773 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
774 df_chains_dump): Fixed crash if problem was never run.
775 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
776 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
777 df_ri_add_problem): Processes flags in uniform manner.
778 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
779 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
780 df_rd_dump, df_urec_free_bb_info): Formatting changes.
781 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
782 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
783 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
784 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
785 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
786 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
787 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
788 * see.c (see_initialize_data): Ditto.
789 * final.c (rest_of_clean_state) Added regstack_completed.
790 * rtl.h (regstack_completed): Ditto.
791 * reg-stack.c (regstack_completed): Ditto.
793 2006-05-19 Mike Stump <mrs@apple.com>
795 * c-tree.h (default_conversion): Remove.
796 * c-common.h (default_conversion): Add.
798 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
800 * tree-vrp.c (valid_value_p): New function.
801 (adjust_range_with_scev): Fail if the value of bound is not
804 2006-05-19 Richard Sandiford <richard@codesourcery.com>
806 * config/mips/linux-unwind.h: Include <asm/unistd.h>
807 (mips_fallback_frame_state): Use syscall numbers to determine
808 the appropriate li instruction for the current ABI. Only use
809 __NR_sigreturn for o32.
811 2006-05-19 Nicolas Setton <setton@adacore.com>
813 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
814 * langhooks.c (lhd_dwarf_name): New function.
815 * langhooks-def.h (lhd_dwarf_name): Declare.
816 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
817 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
818 * ada/misc.c (gnat_dwarf_name): New function.
819 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
821 2006-05-19 Richard Sandiford <richard@codesourcery.com>
823 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
825 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
826 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
827 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
828 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
829 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
830 determine the size of Wtype, etc.
831 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
832 (swfloatfuncs): New variable.
833 (dwfloatfuncs): Likewise.
834 (lib2funcs): Remove floating-point conversion functions from
835 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
836 the set of conversion routines needed. Allow entries to specify
837 an object name, filename and word size. Update users accordingly.
838 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
839 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
843 2006-02-08 Roger Sayle <roger@eyesopen.com>
846 * config/fixtfdi.c: New libgcc source file.
847 * config/fixunstfdi.c: New source file.
848 * config/floatditf.c: New source file.
849 * config/floatunditf.c: New souce file.
850 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
851 files above instead of config/mips/_tilib.c.
852 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
854 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
856 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
857 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
859 2006-05-18 Mike Stump <mrs@apple.com>
861 Fix up vla, vm and [*] sematics.
867 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
868 (c_vla_unspec_p): Add.
870 * c-decl.c (struct c_scope): Add had_vla_unspec.
871 (build_array_declarator): Add support for [*].
872 (grokdeclarator): Likewise.
873 (grokparms): Likewise.
874 (get_parm_info): Likewise.
875 * c-objc-common.c (c_vla_unspec_p): Likewise.
876 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
877 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
878 typeof when argument is a variably modified type not inside sizeof or alignof.
879 (c_parser_direct_declarator_inner): Propagate errors.
880 (c_parser_sizeof_expression): Add support for [*].
881 (c_parser_parms_declarator): Initialize had_vla_unspec.
882 (c_parser_parms_list_declarator): Likewise.
883 * c-typeck.c (c_vla_type_p): Add.
884 (composite_type): Add support for vla compositing.
885 (comptypes_internal): Add support for vla compatibility.
886 (c_expr_sizeof_expr): Evaluate vla arguments.
887 * tree.c (variably_modified_type_p): Update comment for [*].
889 2006-05-18 Michael Matz <matz@suse.de>
892 * config.host: Make assignments to host_xmake_file cumulative.
893 * config.host (*-darwin*): Test $host, not $target.
895 2006-05-12 Stuart Hastings <stuart@apple.com>
897 * config/i386/i386.opt (-mstackrealign): New flag.
898 * config/i386/i386.c (force_align_arg_pointer): New attribute.
899 (ix86_handle_cconv_attribute): Emit error when
900 force_align_arg_pointer attribute collides with too many regparms.
901 (ix86_function_regparm): Limit regparms when used with
902 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
903 Support stack-realigning prologue in non-main functions. Emit
904 warning for nested functions under -mstackrealign, emit error for
905 nested functions with force_align_arg_pointer attribute.
906 * doc/extend.texi (force_align_arg_pointer): Document it.
907 * doc/invoke.texi (-mstackrealign): Document it.
909 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
911 PR rtl-optimization/27477
912 * combine.c (try_combine): Don't split a parallel consisting
913 of two sets into two individual sets if both sets reference
916 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
918 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
919 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
921 * doc/options.texi (VarExists): Updated.
923 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
925 * unwind-dw2.c: Add declarations for uw_update_context and
927 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
928 detected, advance frame state and context once to skip over stub.
930 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
934 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
935 Call rewrite_into_loop_closed_ssa only when something changed.
936 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
937 * lambda-code.c (can_convert_to_perfect_nest): Declared.
938 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
939 Test for perfect_nest_p here. Fix formating.
940 (replace_uses_equiv_to_x_with_y): Fix formating.
941 (stmt_uses_op): Removed.
942 (can_convert_to_perfect_nest): Removed loopivs parameter.
943 Complete the test by checking the scalar dependences.
944 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
947 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
950 From Dan Kegel <dank@kegel.com>:
951 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
953 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
955 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
956 if the element type is variably modified without recursing.
958 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
961 * tree-loop-linear.c (try_interchange_loops): Test for
964 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
966 PR tree-optimization/27548
967 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
968 range of ssa names that appear on abnormal edges.
969 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
970 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
972 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
975 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
977 2006-05-17 Jakub Jelinek <jakub@redhat.com>
980 * tree.h (OMP_PARALLEL_COMBINED): Define.
981 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
982 (new_omp_context): Add is_combined_parallel argument.
983 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
984 new_omp_context caller.
985 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
986 Adjust gimplify_scan_omp_clauses callers.
987 (omp_is_private): Issue errors if iteration variable is firstprivate
988 or reduction in the current context.
989 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
990 on combined parallel workshare constructs.
992 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
994 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
995 (gcc-options.o): New rule.
997 * optc-gen.awk: Protect variables for gcc-options.o with
998 #ifdef GCC_DRIVER/#endif.
1000 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1002 Fix PR tree-optimization/27373
1003 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1004 (forward_propagate_addr_expr): Update call.
1006 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1008 * doc/options.texi: Move the Negative option.
1010 2006-05-16 Richard Guenther <rguenther@suse.de>
1012 PR tree-optimization/22303
1013 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1015 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1016 ccp_fold did not simplify the statement.
1018 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1021 * Makefile.in (GCC_OBJS): New.
1022 (OBJS-common): Add opts-common.o.
1023 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1024 (cpp$(exeext)): Likewise.
1025 (gcc.o): Also depend on opts.h.
1026 (opts-common.o): New.
1028 * common.opt (gcoff): Add Negative(gdwarf-2).
1029 (gdwarf-2): Add Negative(gstabs).
1030 (gstabs): Add Negative(gstabs+).
1031 (gstabs+): Add Negative(gvms).
1032 (gvms): Add Negative(gxcoff).
1033 (gxcoff): Add Negative(gxcoff+).
1034 (gxcoff+): Add Negative(gcoff).
1035 * config/i386/i386.opt (m32): Add Negative(m64).
1036 (m64): Add Negative(m32).
1038 * doc/options.texi: Document the Negative option.
1040 * gcc.c: Include "opts.h".
1041 (main): Call prune_options after expandargv.
1043 * optc-gen.awk: Generate common declarations for all flag
1044 variables in options.c. Output the neg_index field.
1046 * opts.c (find_opt): Moved to ...
1047 * opts-common.c: Here. New file.
1049 * opts.h (cl_option): Add a neg_index field.
1051 (prune_options): Likewise.
1053 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1056 * omp-low.c (expand_omp_parallel): Don't assert
1057 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1058 instead search for it.
1061 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1064 2006-05-16 Andreas Schwab <schwab@suse.de>
1066 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1069 2006-05-15 Roger Sayle <roger@eyesopen.com>
1072 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1073 integer constants other than zero are only legitimate on TARGET_64BIT.
1074 <CONST_VECTOR> Only zero vectors are legitimate.
1075 (ix86_cannot_force_const_mem): Integral and vector constants can
1076 always be put in the constant pool.
1078 2006-05-16 DJ Delorie <dj@redhat.com>
1080 * crtstuff.c (__dso_handle): Set section from
1081 TARGET_LBIGCC_SDATA_SECTION if defined.
1082 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1083 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1085 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1088 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1091 2006-05-16 Ben Elliston <bje@au.ibm.com>
1093 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1095 2006-05-15 Per Bothner <per@bothner.com>
1097 * tree.c: (last_annotated_node): Use source_locus typedef.
1098 This permits bootstrapping with --enable-mapped-location.
1100 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1102 PR tree-optimization/26830
1103 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1104 (info_for_ssa_name, current_info_for_ssa_name_age,
1105 blocks_to_update): New variables.
1106 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1107 (clear_ssa_name_info, initialize_flags_in_bb,
1108 mark_block_for_update): New functions.
1109 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1110 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1111 prepare_def_site_for): Use mark_block_for_update.
1112 (mark_def_interesting): Assert that the processed block is marked in
1113 blocks_to_update. Do not take blocks argument.
1114 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1116 (rewrite_update_init_block, rewrite_update_stmt): Only process
1117 blocks with statements to rewrite.
1118 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1119 (update_ssa): Initialize and free blocks_to_update. Do not
1120 clear flags on statements. Do not use blocks bitmap.
1121 * tree.h (SSA_NAME_AUX): Removed.
1122 (struct tree_ssa_name): Removed aux field.
1123 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1125 2006-05-15 Richard Guenther <rguenther@suse.de>
1127 PR tree-optimization/27603
1128 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1129 Do computations in original type.
1131 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1133 * see.c: Code style changes such as redundant paranthesis,
1134 redundant intialization of local variables etc.
1135 (see_main): Declared now as static.
1136 * doc/invoke.texi: Update that -fsee is not enabled by
1139 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1141 * omp-low.c (check_omp_nesting_restrictions): New function.
1142 (scan_omp_1): Call it.
1145 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1146 construct, return *VAR.
1148 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1150 PR rtl-optimization/27406
1151 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1154 2006-05-14 Roger Sayle <roger@eyesopen.com>
1156 PR rtl-optimization/27538
1157 * combine.c (expand_compound_operation): Call gen_lowpart
1158 before calling simplify_shift_const.
1160 2006-05-14 Roger Sayle <roger@eyesopen.com>
1162 PR rtl-optimization/22563
1163 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1164 a fixed width bitfield, always force the intermediates into psuedos.
1166 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1169 * mkconfig.sh: Use operator = instead of == for test.
1171 2006-05-13 Nick Clifton <nickc@redhat.com>
1173 * dwarf2out.c (dbx_reg_number): Check return value from
1174 LEAF_REG_REMAP and only use it if it is valid.
1175 (multiple_reg_loc_descriptor): Likewise.
1177 2006-05-13 Richard Guenther <rguenther@suse.de>
1179 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1182 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1184 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1185 information attached to non-INSNs such as NOTEs.
1186 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1188 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1190 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1192 * config/s390/s390.md: Adjust comment describing On constraint.
1194 2006-05-11 Jan Hubicka <jh@suse.cz>
1196 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1197 to be output at -O0.
1199 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1202 * fold-const.c (size_binop): Move sanity check for arguments to
1203 the beginning of the function.
1206 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1209 2006-05-11 Richard Guenther <rguenther@suse.de>
1212 * fold-const.c (fold_unary): Handle intermediate conversion
1213 to a pointer type like intermediate conversion to an integer
1214 type in folding of (T1)(T2)var to var.
1215 Match the code to the comment in the final conversion for
1216 (T1)(T2)var to (T1)var regarding to type precision. Rather
1217 than disallow T1 being of pointer type, assert that both T1
1218 and var are of pointer type or not. Make sure not to fall
1219 over the frontends lazyness wrt array to pointer decay though.
1221 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1223 * arm.c (arm_struct_value_rtx): Delete.
1224 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1225 (arm_init_cumulative_args): Always initialize nregs to zero.
1227 2006-05-10 Richard Guenther <rguenther@suse.de>
1229 PR tree-optimization/27532
1230 * tree-object-size.c (plus_expr_object_size): Fix typo.
1232 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1235 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1236 ashrdi_const, ashrdi3): Use a scratch register.
1238 2006-05-10 Richard Guenther <rguenther@suse.de>
1240 PR tree-optimization/27302
1241 * fold-const.c (operand_equal_p): For two comparisons,
1242 try comparison of one comparison code swapped if that yields
1245 2006-05-10 Ben Elliston <bje@au.ibm.com>
1247 * tree-pretty-print.c (pretty_print_string): No need to handle
1248 '\0' as a special character.
1250 * tree.h: Include "hashtab.h".
1251 (iterative_hash_expr): Use hashval_t in its prototype.
1252 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1254 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1257 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1258 (hppa*64*-*-hpux11*): Ditto.
1259 (hppa[12]*-*-hpux11*): Ditto.
1261 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1264 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1266 2006-05-09 Michael Matz <matz@suse.de>
1268 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1269 host_extra_gcc_objs and host_xmake_file.
1270 (<*-*-linux*>): Don't overwrite host_xmake_file.
1271 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1272 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1273 (host_detect_local_cpu): Declare.
1274 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1275 * config/i386/i386.c (override_options): Handle -mtune=native
1277 * config/i386/x-i386: New file.
1278 * config/i386/driver-i386.c: New file.
1279 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1282 2006-05-09 Dirk Mueller <dmueller@suse.de>
1283 Richard Guenther <rguenther@suse.de>
1286 * fold-const.c (fold_read_from_constant_string): Relax check
1287 for matching types to matching modes.
1289 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1291 PR rtl-optimization/27335
1292 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1295 2006-05-08 Chao-ying Fu <fu@mips.com>
1296 Richard Sandiford <richard@codesourcery.com>
1298 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1299 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1300 * config/mips/mips.md (UNSPEC_SCC): New constant.
1301 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1302 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1303 (mips_emit_compare): Use it.
1304 (mips_expand_vcondv2sf): New function.
1306 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1308 Fix PR tree-optimization/27093
1309 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1310 renaming when they become not-used_alone.
1312 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1314 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1315 relocation and relocation stubs.
1317 2006-05-08 Eric Christopher <echristo@apple.com>
1319 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1322 2006-05-08 Jan Hubicka <jh@suse.cz>
1325 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1326 unused static functions are needed.
1328 2006-05-08 Roger Sayle <roger@eyesopen.com>
1331 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1332 of a reg_equiv_constant if the result is a legitimate constant.
1334 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1337 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1338 standard 80387 constants, raise the cost to prevent
1339 compress_float_constant() to generate load from memory.
1341 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1343 * config/arm/constraints.md (c): Fix a typo.
1345 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1348 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1351 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1353 (_mm_mwait): Likewise.
1355 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1357 (sse3_monitor): Make it 32bit only.
1358 (sse3_monitor64): New. 64bit monitor.
1360 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1363 * config/i386/i386.c (classify_argument): Skip fields with invalid
1366 2006-05-07 Richard Guenther <rguenther@suse.de>
1368 PR tree-optimization/27409
1369 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1370 Do not try to find zero-sized subvars.
1372 2006-05-07 Richard Guenther <rguenther@suse.de>
1374 PR tree-optimization/27136
1375 * tree-ssa-loop-niter.c (get_val_for): Correct function
1376 comment, assert requirements.
1377 (loop_niter_by_eval): Stop processing if the iterated
1378 value did not simplify.
1380 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1382 * opts.c (flag_see): remove its setting at -O3.
1384 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1386 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1387 * arm/constraints.md: New file.
1388 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1389 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1390 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1391 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1392 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1393 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1394 * arm.md: Include constraints.md.
1395 (thumb_movsi_insn): Use satisfies_constraint_J.
1396 (movhi, movqi): Use satisfies_constraint_I.
1398 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1400 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1401 for atmeg a645 device.
1403 2006-05-06 Richard Guenther <rguenther@suse.de>
1405 PR tree-optimization/27151
1406 * tree-vect-transform.c (vectorizable_condition): Punt on
1407 values that have a different type than the condition.
1409 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1412 * c-parser.c (c_parser_cast_expression): Only insert casts into
1413 hash table if pointer.
1414 * function.c (used_types_insert_helper): Rename from
1416 (used_types_insert): Call used_types_insert_helper.
1417 * function.h (used_types_insert): Accept only one argument.
1419 2006-05-05 David Edelsohn <edesohn@gnu.org>
1421 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1422 scratch with output modifier.
1424 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1427 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1428 with output modifier.
1430 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1433 * config/mips/mips.c (mips_symbolic_address_p): Return true
1434 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1435 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1437 2006-05-04 Richard Guenther <rguenther@suse.de>
1439 PR tree-optimization/14287
1440 PR tree-optimization/14844
1441 PR tree-optimization/19792
1442 PR tree-optimization/21608
1443 PR tree-optimization/27090
1444 * tree-ssa-pre.c (try_combine_conversion): New function.
1445 (compute_avail): After constructing the value-handle
1446 expression, use try_combine_conversion to combine NOP_EXPRs
1447 with previous value-handle expressions and use the result if it
1450 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1452 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1454 2006-05-04 Jan Hubicka <jh@suse.cz>
1457 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1459 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1461 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1462 that this only matches CONST_INTs. All users changed to VOIDmode
1465 * config/bfin/bfin.c: Include "optabs.h".
1466 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1468 (enum bfin_builtins): Add a number of fractional and vector builtins.
1469 (bfin_init_builtins): Likewise.
1470 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1471 (safe_vector_operand, bfin_expand_binop_builtin,
1472 bfin_expand_unop_builtin): New functions.
1473 (bfin_expand_builtin): Handle the new builtins.
1474 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1477 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1480 * Makefile.in (OBJS-common): Add see.o.
1481 (see.o): Add dependencies.
1482 * common.opt (fsee): New flag for the see optimization was added.
1483 * opts.c (flag_see): Initialized.
1484 * passes.c (init_optimization_passes, pass_see): New pass.
1485 * rtl.h (see_main): Declaration as extern.
1486 * timevar.def (TV_SEE): New.
1487 * tree-pass.h (pass_see): Declaration as extern.
1488 * invoke.texi (-fsee): Document.
1489 * recog.c (validate_simplify_insn): New function.
1490 * recog.h (validate_simplify_insn): Declaration as extern.
1491 * df-problems.c (df_chain_dump): Check for NULL.
1493 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1494 Daniel Berlin <dberlin@dberlin.org>
1496 * cfgrtl.c (insert_insn_bb_end_new): New function.
1497 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1499 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1501 * df.h (struct web_entry): Moved from web.c.
1502 (union_defs): Declaration as extern.
1503 (unionfind_root): Likewise.
1504 (unionfind_union): Likewise.
1505 * web.c (struct web_entry): Moved to df.h.
1506 (unionfind_root): Remove static declaration.
1507 (unionfind_union): Likewise.
1508 (union_defs): Likewise and generalize to use callback function.
1509 (web_main): Update arguments for union_defs function call.
1511 2006-05-04 Richard Guenther <rguenther@suse.de>
1513 PR tree-optimization/26447
1514 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1515 produce SSA_NAME copies before the store stmt to avoid
1516 breaking exception handling.
1518 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1521 * gimplify.c (omp_is_private): If var is shared in some outer context,
1522 return false instead of true. Stop searching on parallel context
1525 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1528 * coverage.c: Use get_gcov_unsigned_t() instead of
1529 unsigned_type_node all over.
1531 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1533 PR tree-optimization/27381
1534 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1535 maintain the same immediate_use links.
1536 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1537 node rather than segfaulting.
1539 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1542 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1543 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1544 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1546 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1548 Fix PR tree-optimization/26626
1549 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1551 * tree-ssa-operands.c (access_can_touch_variable): Allow
1552 typecasting through union pointers.
1554 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1557 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1558 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1559 to find if var will be a global variable even in the nested context.
1560 (omp_copy_decl): Only check for global variable at the end, it might
1561 be overridden in outer contexts.
1562 (scan_sharing_clauses): For global variables don't create a field.
1563 (lower_rec_input_clauses): Do nothing for global shared variables.
1564 Emit a barrier at the end of ILIST if there were any decls in both
1565 firstprivate and lastprivate clauses.
1566 (lower_send_clauses): Do nothing for global variables except for
1569 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1571 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1572 of the correct signedness is returned.
1574 2006-05-02 Jeff Law <law@redhat.com>
1576 PR tree-optimization/27364
1577 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1578 multiply expressions.
1580 2006-05-02 Tom Tromey <tromey@redhat.com>
1582 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1584 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1587 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1588 -mthumb -fPIC are used.
1590 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1591 Joshua Kinard <kumba@gentoo.org>
1594 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1595 with 64-bit pointers.
1597 2006-05-02 Paul Brook <paul@codesourcery.com>
1599 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1601 (create_fix_barrier): Check that a suitable barrier location is
1603 (arm_reorg): Include ftmp->address in allowable range of addresses.
1605 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1608 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1611 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1614 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1615 around RESULT_DECL for result passed by reference.
1616 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1617 * omp-low.c (use_pointer_for_field): Don't look at
1618 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1619 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1620 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1621 time or var for passing by reference for
1622 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1623 TREE_ADDRESSABLE variables when passing by reference.
1625 * omp-low.c (dump_omp_region): Fix output formatting.
1628 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1629 (expand_omp_parallel): Likewise.
1630 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1633 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1634 on statement list containing also constructors and destructors.
1635 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1638 * except.c (duplicate_eh_regions): Fix clearing of
1639 cfun->eh->region_array entries.
1641 2006-05-01 DJ Delorie <dj@redhat.com>
1643 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1645 (gcc_cv_objdump): Likewise.
1646 * configure: Regenerated.
1648 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1651 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1652 templates for case 3 and 4.
1654 2006-05-01 DJ Delorie <dj@redhat.com>
1656 * vec.c: Include bconfig.h when appropriate.
1657 * Makefile.in (build/vec.o): Adjust dependencies.
1658 * mkconfig.sh: Make sure config.h isn't used for build machine
1661 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1663 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1665 (mark_phi_for_rewrite): New function.
1666 (insert_phi_nodes_for, mark_use_interesting): Call
1667 mark_phi_for_rewrite.
1668 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1669 (update_ssa): Initialize and free phis_to_rewrite.
1671 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1673 PR rtl-optimization/27291
1674 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1675 folded to a constant.
1677 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1679 PR tree-optimization/27283
1680 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1681 not whole # of iteration descriptions.
1682 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1683 uses abnormal ssa name.
1684 (niter_for_single_dom_exit): Ditto.
1685 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1686 return just the number of iterations.
1688 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1690 PR tree-optimization/27144
1691 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1692 (record_estimate): Only record constant upper bound.
1693 (infer_loop_bounds_from_undefined): Call
1694 compute_estimated_nb_iterations just once.
1695 (proved_non_wrapping_p): Renamed to ...
1696 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1697 (convert_step_widening, scev_probably_wraps_p): Call
1698 n_of_executions_at_most instead of proved_non_wrapping_p.
1699 (substitute_in_loop_info): Do not replace values in bounds.
1700 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1703 2006-05-01 Richard Henderson <rth@redhat.com>
1706 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1707 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1710 2006-05-01 Roger Sayle <roger@eyesopen.com>
1712 * c-typeck.c (parser_build_binary_op): Don't call the function
1713 unsigned_conversion_warning to spot operand/result type overflow.
1714 (build_binary_op): Instead, call convert_and_check instead of
1715 convert to report the problem when the operands are promoted.
1716 * c-common.c (unsigned_conversion_warning): Make static.
1717 * c-common.h (unsigned_conversion_warning): Delete prototype.
1719 2006-05-01 Richard Guenther <rguenther@suse.de>
1721 PR tree-optimization/26726
1722 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1724 (find_interesting_uses_address): ... we work around here
1725 by folding INDIRECT_REFs in the substituted base.
1727 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1729 * omp-low.c (dump_omp_region): Add newlines.
1731 2006-04-30 Roger Sayle <roger@eyesopen.com>
1733 * common.opt (Woverflow): New command line option.
1734 * c-common.c (constant_expression_warning): Check warn_overflow.
1735 (overflow_waring): Pass OPT_Woverflow to warning.
1736 (unsigned_conversion_warning): Likewise.
1737 (convert_and_check): Likewise.
1738 * doc/invoke.texi: Document new command line option.
1740 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1742 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1743 TARGET_NO_FP_IN_TOC for section anchors.
1744 (optimization_options): Enable section anchors for all
1745 non-"Objective" languages.
1747 2006-04-28 Eric Christopher <echristo@apple.com>
1749 * config/darwin-c.c (darwin_ms_struct): Move this
1750 (darwin_set_default_type_attributes): and this...
1751 * config/darwin.c: ... here.
1752 * config/darwin.h (darwin_ms_struct): Declare.
1754 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1756 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1758 2006-04-28 Roger Sayle <roger@eyesopen.com>
1761 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1762 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1763 an unsigned HOST_WIDE_INT.
1764 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1766 (really_start_incremental_init): No need to call convert because
1767 bitsize_zero_node is already of type bitsizetype.
1768 (push_init_level): Extract the value of constructor_index as an
1769 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1770 (process_init_element): Likewise.
1772 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1774 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1775 value before passing to make_relative_prefix.
1777 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1780 * builtins.c (expand_builtin_memset): Expand val in original mode.
1782 2006-04-27 Eric Christopher <echristo@apple.com>
1784 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1785 with #ifndef/#endif.
1786 * config/darwin-c.c (darwin_ms_struct): New.
1787 (darwin_pragma_ms_struct): Ditto.
1788 (darwin_set_default_type_attributes): Ditto.
1789 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1790 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1791 Register ms_struct pragma.
1792 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1793 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1794 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1795 darwin_set_default_type_attributes if TARGET_MACHO.
1797 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1799 PR tree-optimization/26854
1800 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1801 * doc/tree-ssa.texi: Update immuse iterator documentation.
1802 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1803 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1804 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1805 first_safe_imm_use, next_safe_imm_use): Remove.
1806 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1807 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1808 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1809 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1810 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1811 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1812 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1813 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1814 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1815 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1816 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1817 (perfect_nestify): Use new iterator.
1818 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1820 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1821 (next_imm_name): New field in struct immediate_use_iterator_d.
1822 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1823 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1824 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1825 * tree-cfg.c (replace_uses_by): Use new iterator.
1826 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1827 * tree-ssa-operands.c (correct_use_link): Remove.
1828 (finalize_ssa_use_ops): No longer call correct_use_link.
1830 2006-04-27 Stuart Hastings <stuart@apple.com>
1832 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1833 * config/t-darwin (crt3.o): Use it.
1834 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1835 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1836 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1837 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1838 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1841 2006-04-27 Roger Sayle <roger@eyesopen.com>
1843 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1844 size, force the intermediate into a new pseudo rather instead of
1845 performing both a bitwise AND and a bitwise IOR in memory.
1847 2006-04-27 Richard Guenther <rguenther@suse.de>
1849 PR rtl-optimization/26685
1850 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1851 this one "max-flow-memory-locations".
1853 2006-04-27 Richard Guenther <rguenther@suse.de>
1855 PR tree-optimization/25148
1856 * tree-vrp.c (compare_values): Remove code dealing with
1857 comparisons against type min/max value. Honour overflow
1858 and negative constants in code dealing with comparisons
1859 of plus and minus expressions.
1860 (value_inside_range): Use fold_binary with LE_EXPR and
1861 GE_EXPR rather than compare_values.
1863 2006-04-27 Dirk Mueller <dmueller@suse.de>
1865 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1868 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1870 * basic-block.h (safe_insert_insn_on_edge): Removed.
1871 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1873 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1874 Paolo Bonzini <bonzini@gnu.org>
1877 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1878 (simplify_and_const_int): Same.
1880 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1882 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1884 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1887 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1888 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1889 cgraph_global_info_ready.
1892 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1895 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1896 either decl or init is error_mark_node.
1899 * tree-flow.h (struct omp_region): Add sched_kind.
1900 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1901 instead of extracting omp for data.
1902 (expand_omp_for): Save extracted sched_kind.
1904 2006-04-25 Roger Sayle <roger@eyesopen.com>
1906 * expmed.c (store_bit_field): Also check whether the bitsize is
1907 valid for the machine's "insv" instruction before moving the
1908 target into a pseudo for use with the insv.
1909 * config/i386/predicates.md (const8_operand): New predicate.
1910 * config/i386/i386.md (extv, extzv, insv): Use the new
1911 const8_operand predicate where appropriate.
1913 2006-04-25 DJ Delorie <dj@redhat.com>
1915 * doc/install.texi (Specific): Clarify that this is not a list of
1916 supported hosts or targets.
1918 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1920 PR rtl-optimization/26725
1921 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1922 block's BB_DIRTY flag.
1924 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1926 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1929 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1930 to print an integer.
1932 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1934 * varasm.c (align_variable): New function.
1935 (get_block_for_decl): Apply align_variable to DECL before
1936 calculating section information.
1937 (assemble_variable): Split out alignment computation.
1939 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1941 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1944 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1946 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1947 MODE_PARTIAL_INT mode.
1948 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1949 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1951 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1952 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1954 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1956 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1958 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1959 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1960 MACFLAG_IH): Likewise.
1961 (movstricthi_1): Renamed from "*movstricthi".
1962 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1963 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1964 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1965 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1966 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1967 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1968 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1969 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1970 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1971 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1972 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1973 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1974 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1975 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1976 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1978 * doc/rtl.texi (ss_ashift): Improve wording.
1980 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1982 * dwarf2out.c (verify_marks_clear): New.
1983 (prune_unused_types): Call verify_marks_clear initially, not
1986 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1988 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1989 * doc/rtl.texi: Document them.
1990 * simplify-rtx.c (simplify_unary_operation,
1991 simplify_binary_operation_1): Don't abort when we see them.
1993 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1996 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1997 * configure.ac: Completely disregard languages that are not
1999 * configure: Regenerated.
2001 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2002 Richard Guenther <rguenther@suse.de>
2004 PR tree-optimization/27236
2005 * tree-inline.c (copy_body_r): Make sure to copy
2006 TREE_THIS_VOLATILE flag.
2008 2006-04-24 Richard Guenther <rguenther@suse.de>
2011 * tree-complex.c (update_parameter_components): Don't handle
2012 unused parameters which have no default def.
2014 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2015 Richard Guenther <rguenther@suse.de>
2017 PR tree-optimization/27218
2018 * tree-inline.c (expand_call_inline): Strip useless type
2019 conversions for the return slot address.
2021 2006-04-24 Richard Guenther <rguenther@suse.de>
2023 * cfgloop.h (struct loops): Remove unused field array. Reorder
2025 (LOOP_PREFETCH): Remove.
2027 2006-04-24 Richard Guenther <rguenther@suse.de>
2029 PR tree-optimization/22525
2030 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2031 variable, adjust types of generated expressions.
2033 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2035 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2036 (tree-vect-patterns.o): Likewise.
2038 (cselib.o): Likewise.
2039 (loop-doloop.o): Likewise.
2040 (regclass.o): Likewise.
2041 (reload1.o): Likewise.
2042 (explow.o): Replace target.h with $(TARGET_H).
2043 (ipa-prop.o): Likewise.
2044 (ipa-cp.o): Likewise.
2045 (ipa-inline.o): Likewise.
2046 (reorg.o): Likewise.
2047 (reg-stack.o): Likewise.
2049 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2051 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2053 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2055 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2057 * configure.ac: Completely disregard languages that are not
2059 * configure: Regenerated.
2062 * c-common.h (c_build_bitfield_integer_type): Declare.
2063 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2064 * c-common.c (c_build_bitfield_integer_type): ... here.
2066 2006-04-23 Roger Sayle <roger@eyesopen.com>
2069 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2070 a SImode SUBREG of a floating point register after no_new_pseudos.
2072 2006-04-23 Roger Sayle <roger@eyesopen.com>
2074 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2075 identify potentially eliminable registers to additionally catch
2076 VIRTUAL_INCOMING_ARGS_REGNUM.
2077 (addsi3): Update the conditions on when to use addsi_small_int.
2079 2006-04-23 Roger Sayle <roger@eyesopen.com>
2082 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2083 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2084 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2086 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2088 * fold-const.c (range_predecessor): Use operand_equal_p
2089 as the predicate for equality.
2090 (range_successor): Likewise.
2092 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2095 * config/soft-fp/op-common.h: Fix a typo.
2097 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2100 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2101 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2103 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2105 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2107 * doc/tm.texi: Fix a typo.
2109 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2111 * dwarf2out.c (struct die_struct): Document that die_sib makes
2112 a circular linked list.
2113 (FOR_EACH_CHILD): New.
2114 (reverse_die_lists): Delete.
2115 (reverse_all_dies): Delete.
2116 (add_dwarf_attr): Correct documentation.
2117 (remove_child_with_prev): New.
2118 (remove_child_TAG): Update for change to die_struct, use
2119 remove_child_with_prev.
2120 (add_child_die): Update for change to die_struct.
2121 (splice_child_die): Use remove_child_with_prev and add_child_die.
2122 (print_die): Use FOR_EACH_CHILD.
2123 (die_checksum): Likewise.
2124 (assign_symbol_names): Likewise.
2125 (output_location_lists): Likewise.
2126 (build_abbrev_table): Likewise.
2127 (calc_die_sizes): Likewise.
2128 (mark_dies): Likewise.
2129 (unmark_dies): Likewise.
2130 (unmark_all_dies): Likewise.
2131 (output_die): Likewise.
2132 (prune_unused_types_mark): Likewise.
2133 (prune_unused_types_walk): Likewise.
2134 (same_die_p): Update for change to die_struct.
2135 (break_out_includes): Likewise.
2136 (prune_unused_types_prune): Likewise.
2137 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2138 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2140 (dwarf2out_finish): Don't call reverse_all_dies.
2142 2006-04-21 Eric Christopher <echristo@apple.com>
2144 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2145 in comments and function names.
2147 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2150 * c-typeck.c (digest_init): Robustify.
2152 * c-typeck.c (pop_init_level): Simplify.
2154 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2156 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2158 2006-04-21 Paul Brook <paul@codesourcery.com>
2160 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2161 hardware floating point.
2163 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2165 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2168 2006-04-21 Nick Clifton <nickc@redhat.com>
2170 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2173 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2176 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2177 C++ lang type in traceback table for Objective-C++.
2179 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2181 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2183 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2185 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2188 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2189 were errors. Remove check for erroneous objects.
2191 2006-04-20 Jeff Law <law@redhat.com>
2193 PR tree-optimization/26854
2194 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2195 checking for zero or one use.
2196 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2197 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2198 * tree-ssa-reassoc.c (negate_value): Similarly.
2199 (reassociate_bb): Similarly.
2201 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2203 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2204 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2205 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2207 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2209 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2210 fp regs if the last fp arg doesn't fit in regs.
2212 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2215 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2216 that the last insn has the REG_INC note.
2218 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2219 Nathan Sidwell <nathan@codesourcery.com>
2222 * stor-layout.c (update_alignment_for_field): Do not align
2224 (place_union_field): Place union field at the start of the union.
2225 (place_field): Move ERROR_MARK check later, and use the current
2226 allocation position to maintain monotonicity.
2228 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2230 * dominance.c: Include timevar.h.
2231 (calculate_dominance_info): Use TV_DOMINANCE.
2232 * timevar.def (TV_DOMINANCE): New timevar.
2233 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2235 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2237 PR rtl-optimization/14261
2238 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2239 move would be an INSV insn.
2240 (noce_process_if_block): Don't optimize if the destination is a
2241 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2243 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2245 * config/s390/s390.md: Add comments with the instructions emitted
2246 by an insn pattern if macros are used.
2248 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2250 PR rtl-optimization/26026
2251 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2252 is a known power of two shifted left a variable amount.
2254 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2256 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2257 to hash table twice when the debug_str section has SECTION_MERGE.
2259 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2261 * config/soft-fp: New directory. From glibc.
2262 * config/soft-fp/t-softfp: New.
2263 * config/soft-fp/README: New.
2264 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2265 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2266 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2267 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2268 * config.gcc: Use rs6000/t-fprules-fpbit or
2269 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2271 * config/rs6000/sfp-machine.h: New. Based on glibc.
2272 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2274 * config/rs6000/t-fprules: Remove fp-bit rules.
2275 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2276 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2277 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2278 (softfp_wrap_start, softfp_wrap_end): New.
2280 2006-04-18 DJ Delorie <dj@redhat.com>
2282 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2284 2006-04-18 Devang Patel <dpatel@apple.com>
2286 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2288 2006-04-18 Nick Clifton <nickc@redhat.com>
2290 * config/sh/t-symbian: Add rule to build sh-c.o
2291 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2292 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2293 (sh_symbian_encode_section_info): Likewise.
2295 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2297 * builtins.c (expand_builtin_strcmp): Cover label definition of
2298 do_libcall with HAVE_cmpstrnsi.
2300 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2302 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2304 * function.h (temp_slot_p): New.
2305 (function): Change the type of x_used_temp_slots to
2306 VEC(temp_slot_p,gc) *.
2308 2006-04-18 Nick Clifton <nickc@redhat.com>
2310 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2311 flag_strength_reduce.
2313 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2315 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2319 Partial revert of revision 112637
2320 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2321 Dale Johannesen <dalej@apple.com>
2324 * regclass.c (struct reg_pref): Update documentation.
2325 (regclass): Set prefclass to NO_REGS if memory is the best option.
2326 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2328 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2330 PR tree-optimization/26821
2331 * tree-ssa-math-opts.c (get_constant_one): New.
2332 (insert_reciprocals): Use it.
2334 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2336 * dwarf2out.c (free_AT): Delete.
2337 (remove_AT): Update string ref counts.
2338 (remove_child_TAG): Don't call free_die.
2340 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2341 or DW_TAG_GNU_EINCL.
2342 (prune_unused_types_walk_attribs): Reset string refcounts.
2343 (prune_unused_types_update_strings): New.
2344 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2345 call free_die. Do call prune_unused_types_update_strings.
2346 (prune_unused_types): Empty debug_str_hash.
2348 2006-04-17 Roger Sayle <roger@eyesopen.com>
2350 * expr.c (expand_assignment): Optimize away no-op moves where the
2351 source and destination are equal and have no side-effects.
2353 2006-04-17 Richard Guenther <rguenther@suse.de>
2356 * reload.c (push_reload): Guard calls to get_secondary_mem
2359 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2361 * alias.c (reg_base_value, old_reg_base_value): Change the
2362 type to VEC(rtx,gc) *.
2363 (REG_BASE_VALUE, find_base_value, record_set,
2364 init_alias_analysis): Use VEC instead of VARRAY.
2366 * alias.c (alias_sets): Change the type to
2367 VEC(alias_set_entry,gc) *.
2368 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2369 VEC instead of VARRAY.
2370 (last_alias_set): Remove.
2372 * cgraph.h (cgraph_edge_p): New.
2373 Update the prototype of cgraph_function_versioning.
2374 * cgraphunit.c (cgraph_copy_node_for_versioning,
2375 cgraph_function_versioning): Use VEC instead of VARRAY.
2376 * ipa-cp.c (ipcp_insert_stage): Likewise.
2378 2006-04-16 Roger Sayle <roger@eyesopen.com>
2381 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2382 "A op B" or "A op C", we may need to convert A to the type of B and C.
2384 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2386 * target.h (struct gcc_target): Add mode_rep_extended.
2387 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2388 (init_num_sign_bit_copies_in_rep): Initialize it using
2390 (truncate_to_mode): Use it.
2391 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2392 * targhooks.h (default_mode_rep_extended): Declare it.
2393 * targhooks.c (default_mode_rep_extended): Define it.
2394 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2395 default_mode_rep_extended.
2396 (TARGET_INITIALIZER): Include it.
2397 * doc/tm.texi (Misc): Document it.
2398 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2399 (mips_truncated_to_mode): New function.
2401 2006-04-16 Roger Sayle <roger@eyesopen.com>
2404 * expr.c (compress_float_constant): Copy the narrow constant into
2405 a new pseudo before extending it to its final width.
2407 2006-04-16 Roger Sayle <roger@eyesopen.com>
2408 Andrew Pinski <pinskia@gcc.gnu.org>
2409 Dale Johannesen <dalej@apple.com>
2412 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2413 special case code to implement V8HImode and V16QImode with SSE2.
2415 2006-04-15 Roger Sayle <roger@eyesopen.com>
2417 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2418 trees are constructed with a suitable tree type.
2420 2006-04-15 Roger Sayle <roger@eyesopen.com>
2422 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2423 (integer_onep): Likewise.
2424 (integer_all_onesp): Likewise.
2425 (integer_pow2p): Likewise.
2426 (integer_nonzerop): Likewise.
2427 (real_zerop): Likewise.
2428 (real_onep): Likewise.
2429 (real_twop): Likewise.
2430 (real_minus_onep): Likewise.
2431 (int_size_in_bytes): Likewise.
2432 (host_integerp): Likewise.
2434 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2436 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2437 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2438 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2440 * tree-ssa-structalias.h (alias_info): Remove num_references.
2442 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2444 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2445 (output_bvb patterns): Likewise.
2446 * pa.c (output_bb): Use 'bb' insn for long branch case.
2447 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2448 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2449 1. Correct length operand for alternatives 1 and 2.
2450 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2451 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2453 2006-04-14 Roger Sayle <roger@eyesopen.com>
2455 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2456 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2457 were accidentally reverted by r112959.
2459 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2462 * except.h (eh_region_outermost): New prototype.
2463 * except.c (eh_region_outermost): New function.
2464 * tree-cfg.c (find_outermost_region_in_block): Use it.
2466 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2468 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2470 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2471 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2472 (init_reload, reload): Use VEC instead of VARRAY.
2473 * reload.h: Update the prototype for
2474 reg_equiv_memory_loc_varray.
2476 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2477 Eric Botcazou <ebotcazou@libertysurf.fr>
2479 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2482 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2485 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2486 to expand fallback builtin function call.
2488 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2491 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2492 and emit libcall here in case the builtin fails.
2493 (expand_builtin_strcmp): Always emit the libcall here on failure.
2495 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2497 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2498 * flow.c (reg_n_info): Change the type to
2499 VEC(reg_info_p,heap) *.
2500 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2502 * regs.h (reg_info_p): New.
2503 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2504 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2505 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2508 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2510 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2512 * params.h (MAX_SCHED_READY_INSNS): New macro.
2513 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2514 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2515 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2516 the ready list for 1 cycle during the first scheduling pass.
2517 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2519 2006-04-13 Richard Henderson <rth@redhat.com>
2522 * gimple-low.c (lower_omp_directive): Remove dead code.
2523 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2524 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2525 * omp-low.c (struct omp_region): Move to tree-flow.h.
2526 (root_omp_region): Export.
2527 (omp_regions, lookup_omp_region): Remove.
2528 (determine_parallel_type): Update for struct omp_region changes.
2529 (dump_omp_region): Dump regions with block numbers.
2530 (new_omp_region): Take type and block instead of stmt; malloc
2532 (free_omp_region_1, free_omp_regions): New.
2533 (expand_parallel_call): Take entry_stmt as argument; update for
2534 changes to omp_region.
2535 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2536 (remove_exit_barriers): New.
2537 (expand_omp_parallel): Update for struct omp_region changes.
2538 (expand_omp_synch): Likewise.
2539 (expand_omp): Likewise.
2540 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2541 (expand_omp_for_static_chunk): Likewise.
2542 (expand_omp_for): Likewise.
2543 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2544 (expand_omp_sections): Similarly, with GOMP_sections_end.
2545 (expand_omp_single): New.
2546 (build_omp_regions_1): Update for OMP_CONTINUE.
2547 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2548 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2549 OMP_SECTIONS_SECTIONS.
2550 (lower_omp_single_simple): Don't emit barrier here.
2551 (lower_omp_single_copy): Likewise.
2552 (lower_omp_single): Fix bindings, and lower to straightline now.
2553 (lower_omp_master, lower_omp_ordered): Likewise.
2554 (lower_omp_critical): Likewise.
2555 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2556 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2557 omp edges, free it afterward.
2558 (make_omp_sections_edges): Remove.
2559 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2560 (move_stmt_r): Handle OMP_CONTINUE.
2561 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2562 statement pointers to basic blocks. Add type member.
2563 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2564 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2565 * tree-inline.c (estimate_num_insns_1): Likewise.
2566 * tree-pretty-print.c (dump_generic_node): Likewise.
2567 * tree-ssa-operands.c (get_expr_operands): Likewise.
2568 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2569 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2570 (OMP_CONTINUE): New.
2571 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2572 (OMP_SECTIONS_SECTIONS): Remove.
2573 (OMP_SECTION_LAST): New.
2574 (OMP_RETURN_NOWAIT): New.
2576 2006-04-13 Roger Sayle <roger@eyesopen.com>
2578 * fold-const.c (native_encode_vector, native_interpret_real):
2579 Correct obvious mistakes in the previous check-in.
2581 2006-04-13 Roger Sayle <roger@eyesopen.com>
2583 * fold-const.c (native_encode_expr): New function to encode
2584 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2585 or VECTOR_CST into a specified buffer.
2586 (native_encode_int): New function.
2587 (native_encode_real): New function.
2588 (native_encode_complex): New function.
2589 (native_encode_vector): New function.
2590 (native_interpret_expr): Inverse of native_encode_expr to convert
2591 a target representation into an INTEGER_CST, REAL_CST etc...
2592 (native_interpret_int): New function.
2593 (native_interpret_real): New function.
2594 (native_interpret_complex): New function.
2595 (native_interpret_vector): New function.
2596 (fold_view_convert_expr): New function to constant fold/evaluate
2597 a VIEW_CONVERT_EXPR of a suitable constant expression.
2598 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2599 Change call of build1 to fold_build1 when constructing a
2602 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2603 Ulrich Weigand <uweigand@de.ibm.com>
2606 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2609 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2612 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2613 optimize to lo_sum for DFmode if !TARGET_FPRS.
2615 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2617 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2618 delete_alias_info, compute_flow_sensitive_aliasing,
2619 group_aliases): Use VEC instead of VARRAY.
2620 * tree-ssa-structalias.c (update_alias_info): Likewise.
2621 * tree-ssa-structalias.h (alias_info): Change the type of
2622 processed_ptrs to VEC(tree,heap) *.
2624 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2627 * config/sh/lib1funcs.h: New file, broken out of:
2628 * config/sh/lib1funcs.asm.
2629 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2631 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2632 * config/sh/lib1funcs-Os-4-200.asm: New file.
2633 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2634 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2635 (EXTRA_MULTILIB_PARTS): Include it.
2636 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2637 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2638 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2639 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2642 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2644 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2645 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2646 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2648 * tree-ssa-live.h: Include vecprim.h.
2649 (tree_partition_associator_d): Change the type of
2650 first_partition to VEC(int,heap) *.
2651 (tpa_first_partition): Use VEC instead of VARRAY.
2653 * Makefile.in (GTFILES): Move functions.h after tree.h.
2654 * function.c (reset_block_changes, record_block_change,
2655 check_block_change, free_block_changes): Use VEC instead of
2657 * function.h (function): Change the type of
2658 ib_boundaries_block to VEC(tree,gc) *.
2659 * tree-inline.c (copy_cfg_body): Initialize
2660 ib_boundaries_block to NULL instead of (varray_type) 0.
2662 2006-04-12 Roger Sayle <roger@eyesopen.com>
2664 * expr.c (emit_group_store): Correct operand order in call to
2665 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2666 a SUBREG_BYTE of zero.
2668 2006-04-12 Richard Guenther <rguenther@suse.de>
2670 * profile.c (compute_branch_probabilities): Remove code
2671 encapsulated in !ir_type (), which are remanents of the
2672 removed RTL profiling code.
2673 * rtl-profile.c: Remove.
2675 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2677 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2678 magic NULL_RTX comment.
2679 (function_arg): Store entire fp arg to mem if any part should go
2681 (rs6000_arg_partial_bytes): Adjust for above change.
2683 2006-04-11 Roger Sayle <roger@eyesopen.com>
2685 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2686 if it hasn't been initialized by dwarf2out_init.
2688 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2690 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2691 symbolic constants in branch patterns.
2693 2006-04-11 Roger Sayle <roger@eyesopen.com>
2695 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2697 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2699 PR rtl-optimization/27073
2700 * gcse.c (try_replace_reg): Revert last change. Continue to search
2701 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2704 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2706 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2707 aggregate types other than record and union types.
2708 (function_arg): Likewise.
2709 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2711 (function_value): In 64-bit mode, return objects that require it
2714 2006-04-11 Roger Sayle <roger@eyesopen.com>
2716 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2718 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2720 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2722 2006-04-03 Jeff Law <law@redhat.com>
2725 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2726 alias information too.
2728 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2730 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2732 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2735 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2736 (premark_used_types_helper): New.
2737 (premark_used_types): New.
2738 (gen_subprogram_die): Call premark_used_types.
2739 (prune_unused_types_walk): Do not prune perennial dies.
2740 * function.c (used_types_insert): New.
2741 * function.h (struct function): Add used_types_hash field.
2742 (used_types_insert): Add prototype.
2743 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2744 * c-parser.c (c_parser_cast_expression): Save casted types in used
2747 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2750 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2751 rs6000_explicit_options.float_gprs.
2753 2006-04-10 Roger Sayle <roger@eyesopen.com>
2755 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2756 from ix86_expand_vector_init_low_nonzero. Take an additional
2757 one_var argument indicating which element is non-zero. Support
2758 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2759 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2760 with one_var instead of ix86_expand_vector_init_low_nonzero.
2762 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2764 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2765 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2766 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2767 build/genextract.o): Depend on vecprim.h.
2768 * cfglayout.c, df-problems.c, function.c, genextract.c,
2769 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2770 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2774 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2776 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2777 Declare VECs of this type.
2778 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2779 (remove_children): Delete.
2780 (add_dwarf_attr): Use VEC routines.
2781 (add_AT_flag): Update for changes to add_dwarf_attr.
2782 (add_AT_int): Likewise.
2783 (add_AT_unsigned): Likewise.
2784 (add_AT_long_long): Likewise.
2785 (add_AT_vec): Likewise.
2786 (add_AT_string): Likewise.
2787 (add_AT_die_ref): Likewise.
2788 (add_AT_fde_ref): Likewise.
2789 (add_AT_loc): Likewise.
2790 (add_AT_loc_list): Likewise.
2791 (add_AT_addr): Likewise.
2792 (add_AT_lbl_id): Likewise.
2793 (add_AT_lineptr): Likewise.
2794 (add_AT_macptr): Likewise.
2795 (add_AT_offset): Likewise.
2796 (add_AT_range_list): Likewise.
2797 (get_AT): Use VEC_iterate.
2798 (remove_AT): Use VEC_ordered_remove.
2799 (free_die): Fold remove_children into here; have it use VEC_iterate.
2800 (print_die): Use VEC_iterate on attrs.
2801 (reverse_die_lists): Don't reverse attr lists.
2802 (die_checksum): Use VEC_iterate on attrs.
2803 (same_die_p): Likewise.
2804 (output_location_lists): Likewise.
2805 (build_abbrev_table): Likewise.
2806 (size_of_die): Likewise.
2807 (unmark_all_dies): Likewise.
2808 (output_abbrev_section): Likewise.
2809 (output_die): Likewise.
2810 (prune_unused_types_walk_attribs): Likewise.
2812 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2814 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2816 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2819 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2821 2006-04-09 Roger Sayle <roger@eyesopen.com>
2823 * expr.c (store_constructor): Don't bother clearing target if
2824 we're about to assign a vector to it using vec_init_optab.
2826 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2828 * tree-ssa-alias.c (lhs_may_store_to): New function.
2829 (recalculate_used_alone): Handle LHS of calls.
2831 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2835 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2836 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2837 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2838 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2839 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2840 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2841 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2842 stubs. Add ".align 8" directives before all ".dword" directives.
2843 (GTHREAD_USE_WEAK): Revise comment.
2844 (TARGET_ATTRIBUTE_WEAK): Define.
2845 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2846 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2847 * stublib.c: New file.
2852 * pa.md (cbranch patterns): Revise arguments used in calls to
2853 output_cbranch, output_bb and output_bvd. Add long branch length
2855 (fbranch patterns): Handle long branches.
2856 (jump): Revise length check. Revise arguments for output_lbranch call.
2857 Add long branch length attributes.
2858 (decrement_and_branch_until_zero): Add long branch length attributes.
2859 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2860 Likewise. Revise arguments for output_parallel_addb and
2861 output_parallel_movb calls.
2862 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2863 output_parallel_movb and output_parallel_addb): Update prototypes.
2864 * pa.c (output_cbranch): Revise arguments. Correct handling of
2865 nullification in long branches.
2866 (output_lbranch): Add new argument to control extraction of delay
2868 (output_bb): Handle long branches.
2869 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2870 output_parallel_addb): Likewise.
2872 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2874 PR rtl-optimization/27073
2875 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2878 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2880 * tree.h (tree_memory_tag): Add old_used_alone.
2881 (SMT_OLD_USED_ALONE): New macro.
2882 * tree-ssa-alias.c (recalculate_used_alone): Stop
2883 marking things for renaming unnecessarily.
2885 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2887 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2888 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2889 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2890 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2891 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2892 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2893 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2894 spelling convensions.
2895 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2896 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2897 typos. Follow spelling conventions.
2899 2006-04-07 DJ Delorie <dj@redhat.com>
2901 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2902 passed on the stack.
2903 (m32c_init_cumulative_args): When a function returns a structure,
2904 always pass the pointer to that return area on the stack.
2905 (m32c_function_arg_advance): Don't increment the parameter number
2906 if we're processing the returned structure pointer.
2907 (pushm_info): Reverse order of registers.
2909 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2911 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2912 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2913 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2914 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2916 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2917 chrec_fold_multiply): Same.
2918 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2919 force_expr_to_var_cost): Same.
2920 * tree-mudflap.c (mf_xform_derefs_1): Same.
2921 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2923 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2925 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2926 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2929 2006-04-07 Jan Hubicka <jh@suse.cz>
2931 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2933 2006-04-07 Richard Guenther <rguenther@suse.de>
2935 PR tree-optimization/26135
2936 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2937 loads for store copy-prop.
2938 (copy_prop_visit_stmt): Likewise.
2940 2006-04-05 Robert Millan <robertmh@gnu.org>
2942 * config/i386/linux.h: Add a comment to mark macros that are
2943 being overriden in config/k*bsd-gnu.h.
2944 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2946 * config/knetbsd-gnu.h: Ditto.
2948 2006-04-06 Jan Hubicka <jh@suse.cz>
2952 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2955 2006-04-06 Mike Stump <mrs@apple.com>
2957 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2958 for HAVE_nonlocal_goto to be consistent.
2959 (expand_builtin_nonlocal_goto): Likewise.
2960 (expand_builtin_strcmp): Use #ifdef instead of #if
2961 for HAVE_cmpstrnsi to be consistent.
2963 2006-04-05 DJ Delorie <dj@redhat.com>
2965 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2968 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2970 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2971 got-relative addressing for anything but SImode.
2973 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2974 even if the calling function doesn't modify them.
2976 2006-04-05 Richard Guenther <rguenther@suse.de>
2978 PR tree-optimization/26919
2979 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2980 to cgraph_estimate_size_after_inlining.
2982 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2984 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2986 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2988 PR tree-optimization/26996
2989 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2990 VECTOR_TYPE variables.
2992 2006-04-05 Richard Guenther <rguenther@suse.de>
2994 PR tree-optimization/26763
2995 * fold-const.c (fold_comparison): Move folding of
2996 PTR + CST CMP PTR + CST ...
2997 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2999 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3001 * doc/install.texi (Prerequisites): Refine some wording on
3002 bootstrapping and ksh.
3003 Move the version numbers of DejaGnu here from the testing section
3004 and fix casing of names.
3005 Fix markup and clarify wording for autogen requirements.
3006 Refer to GCJ instead of just java.
3007 Refer to SVN instead of CVS.
3008 Describe diffutils as useful instead of necessary.
3009 (Downloading the source): Refer to SVN instead of CVS.
3010 Adjust a link to our web site accordingly.
3011 (Configuration): Fix casing of Bison.
3012 (Building): Refer to SVN instead of CVS.
3013 Fix a sentence on the use of Bison and remove duplicate (and
3014 incorrect) version number of Bison requirement.
3015 Remove one redundant list of packages needed for building.
3016 (Specific): Avoid reference to CVS.
3018 2006-04-04 Eric Christopher <echristo@apple.com>
3020 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3021 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3022 (rs6000_handle_struct_attribute): New.
3023 (rs6000_ms_bitfield_layout_p): Ditto.
3025 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3027 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3028 NULL for dso parameter to atexit_common.
3030 2006-04-04 Eric Christopher <echristo@apple.com>
3032 * config/i386/i386.c (machopic_output_stub): Output \t
3033 between instructions and operands.
3035 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3037 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3038 satisfies_constraint_[IL] to explicit tests on value.
3040 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3042 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3043 set_nb_iterations_in_loop): Use build_int_cst instead of
3045 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3046 build_int_cst instead of convert.
3048 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3050 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3051 new value 2 for incoming.
3052 * function.c (expand_function_start): Call struct_value_rtx
3054 * config/sparc/sparc.md: Comment updated_return.
3055 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3056 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3057 struct return if sparc_std_struct_return and incoming is 2.
3058 (print_operand): Do not adjust return if
3059 sparc_std_struct_return.
3061 2006-04-04 Roger Sayle <roger@eyesopen.com>
3063 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3064 convert in the middle-end.
3065 * expr.c (store_expr, store_constructor, get_inner_reference,
3066 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3068 * tree.c (build_range_type): Likewise.
3070 2006-04-04 Tom Tromey <tromey@redhat.com>
3072 * doc/install.texi (Prerequisites): Mention jar.
3074 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3076 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3079 2006-04-04 Matthias Klose <doko@debian.org>
3081 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3082 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3085 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3087 * doc/extend.texi (Function Attributes): Rewrite visibility
3088 attribute documentation.
3089 * doc/invoke.texi (C++ Dialect Options): Rewrite
3090 -fvisibility-inlines-hidden documentation to describe something
3091 entirely different, although in practise compatible.
3092 (Code Gen Options): Warn about system headers in -fvisibility=
3095 * doc/extend.texi (Other Builtins): Document that
3096 __builtin_nan is a compile-time constant only when its argument
3099 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3101 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3102 trying to remove TRUNCATE check if all bits outside the new mode
3103 are identical to the sign bit.
3105 2006-04-03 Jeff Law <law@redhat.com>
3107 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3108 and operand scanning in some common cases.
3110 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3111 Dale Johannesen <dalej@apple.com>
3114 * regclass.c (struct reg_pref): Update documentation.
3115 (regclass): Set prefclass to NO_REGS if memory is the best option.
3116 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3117 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3118 into account. For non-registers, equate an empty preferred
3119 reload class to a `!' in the constraint; move the if clause to
3120 do so after those that reject the insn.
3121 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3123 (find_dummy_reload): Likewise.
3124 * doc/tm.texi (Register Classes): Document what it means
3125 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3126 * config/i386/i386.c (ix86_preferred_reload_class): Force
3127 using SSE registers (and return NO_REGS for floating-point
3128 constants) if math is done with SSE.
3129 (ix86_preferred_output_reload_class): New.
3130 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3131 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3132 * config/i386/i386.md: Remove # register preferences.
3134 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3137 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3138 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3139 the type of nb_iter.
3140 (instantiate_parameters_1): Convert the operands before calling
3141 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3142 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3144 2006-04-02 Roger Sayle <roger@eyesopen.com>
3146 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3147 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3149 * dojump.c (do_jump): Likewise.
3150 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3151 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3152 gimplify_boolean_expr): Likewise.
3153 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3154 * varasm.c (array_size_for_constructor): Likewise.
3155 * tree-object-size.c (compute_object_offset): Likewise.
3157 2006-04-02 Roger Sayle <roger@eyesopen.com>
3160 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3161 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3163 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3165 PR tree-optimization/26939
3166 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3168 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3170 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3171 at_stmt. Convert the type of operands before calling
3172 build_polynomial_chrec.
3173 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3175 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3176 (instantiate_parameters_1): Convert the type of operands before calling
3177 build_polynomial_chrec.
3178 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3179 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3180 reset_evolution_in_loop): Insert asserts to check the types of the
3182 (chrec_type): Moved...
3183 (eq_evolutions_p): Use operand_equal_p.
3184 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3185 the types of the operands.
3186 (chrec_type): ...here.
3187 * tree-data-ref.c (create_data_ref): Convert the operands before
3188 calling chrec_replace_initial_condition.
3189 (same_access_functions, analyze_subscript_affine_affine,
3190 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3191 (compute_subscript_distance, analyze_ziv_subscript,
3192 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3193 analyze_miv_subscript): Convert the operands before calling
3194 chrec_fold_minus or chrec_fold_plus.
3196 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3198 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3199 the dependence_relations vector.
3200 (compute_data_dependences_for_loop): Adjust call to
3201 compute_all_dependences.
3203 2006-04-01 Roger Sayle <roger@eyesopen.com>
3204 Richard Henderson <rth@redhat.com>
3206 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3207 gimple_boolify on the condition before calling gimplify_expr.
3209 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3211 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3212 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3213 the frame size. Update to use the new macros.
3214 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3215 * config/xtensa/ieee754-df.S: Likewise.
3217 2006-03-31 Richard Henderson <rth@redhat.com>
3219 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3220 (make_edges): ... here. Control fallthru creation with a local
3221 variable. Do not play with fake edges.
3222 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3223 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3226 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3228 * dwarf2.h (DW64_CIE_ID): Define.
3229 * dwarf2out.c (DWARF_CIE_ID): Define.
3230 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3231 length header. Use DWARF_CIE_ID.
3232 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3233 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3235 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3237 * config/sh/linux-atomic.asm: New file.
3238 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3240 2006-03-31 DJ Delorie <dj@redhat.com>
3242 * config/m32c/cond.md: Set condition flags properly throughout.
3243 * config/m32c/minmax.md: Likewise.
3244 * config/m32c/prologue.md: Likewise.
3245 * config/m32c/bitops.md: Likewise.
3246 * config/m32c/muldiv.md: Likewise.
3247 * config/m32c/mov.md: Likewise.
3248 * config/m32c/addsub.md: Likewise.
3249 * config/m32c/m32c.md: Likewise.
3250 * config/m32c/jump.md: Likewise.
3251 * config/m32c/shift.md: Likewise.
3253 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3254 conditionally output the pattern for this.
3255 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3256 (m32c_compare_redundant): New.
3257 (m32c_output_compare): New.
3258 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3260 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3261 dest, not src. Allow other 4-byte modes.
3263 2006-03-30 Denis Chertykov <denisc@overta.ru>
3265 * doc/md.texi: Refer to avr/constraints.md instead of
3268 2006-03-30 Roger Sayle <roger@eyesopen.com>
3270 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3271 signed vs. unsigned comparison failures on some hosts.
3273 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3276 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3277 change to FLOAT_REGS.
3279 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3280 (rs6000_override_options): Use it.
3281 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3282 only for -mabi=spe/no-spe and -mabi=altivec.
3284 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3286 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3289 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3291 * Makefile.in: Rename docdir to gcc_docdir.
3293 2006-03-30 Roger Sayle <roger@eyesopen.com>
3296 * expr.c (emit_group_store): Optimize group stores into a pseudo
3297 register by using a paradoxical subreg to initialize the destination
3298 if the first or last member of the group specifies a "low part".
3300 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3303 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3304 * target.h (struct gcc_target.speculate_insn): Change type of the
3305 second parameter to 'int'.
3306 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3307 the second operand of the DEPS_LIST.
3308 (copy_DEPS_LIST_list): Update reference to the second operand of the
3310 * rtl.h (alloc_DEPS_LIST): Update signature.
3311 * sched-int.h (ds_t): Change typedef to 'int'.
3312 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3314 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3316 * haifa-sched.c (try_ready): Change condition to restore
3317 non-speculative pattern of the instruction.
3318 (process_insn_depend_be_in_spec): Code to keep probability of the
3319 speculative dependence non-decreasing.
3321 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3323 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3324 (single_move_for_movmem): ... this. Also change all uses.
3325 (bfin_expand_strmov): Renamed to...
3326 (bfin_expand_movmem): ... this. Also change all uses.
3327 * config/bfin/bfin.md (movstrsi): Renamed to...
3328 (movstrsi): ...this.
3330 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3332 PR tree-optimization/26830
3334 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3335 (copy_prop_visit_stmt): Remove write-only variable ann.
3336 (init_copy_prop): Check variable loop depth here. Do not simulate
3337 memory-tag and virtual operand PHIs except for store copy prop.
3339 2006-03-30 Richard Guenther <rguenther@suse.de>
3341 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3342 variants with double arguments.
3344 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3346 * genpreds.c (write_tm_constrs_h): Delete variable p.
3347 * genconditions.c (write_header): Add tm-constrs.h to included
3349 * genpeep.c (main): Add toplev.h to included headers.
3350 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3351 (build/genpeep.o): Add toplev.h dependency.
3352 * config/rs6000/constraints.md: Add "W" constraint.
3354 2006-03-29 Roger Sayle <roger@eyesopen.com>
3356 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3357 sizes by correctly testing whether the size fits a host integer.
3358 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3359 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3360 SImode range for the default sizetype and bitsizetype.
3362 2006-03-29 Roger Sayle <roger@eyesopen.com>
3364 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3365 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3366 quickly if the argument is already of the correct type.
3367 Call fold_build1 instead of build1. Tidy up blank lines.
3369 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3371 * genemit.c (main): Add tm-constrs.h to included headers.
3372 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3373 * genpeep.c (main): Add tm-constrs.h to included headers.
3374 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3375 (write_tm_constrs_h): this and write complete file.
3376 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3377 (write_insn_preds_c): Add tm-constrs.h to included headers.
3378 (gen_constrs): New variable.
3379 (parse_option): Parse "-c".
3380 (main): Invoke write_tm_constrs_h.
3381 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3382 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3383 (object_out_file): Add tm-constrs.h dependency.
3384 (insn-emit.o): Same.
3385 (insn-output.o): Same.
3386 (insn-peep.o): Same.
3387 (insn-preds.o): Same.
3388 (insn-recog.o): Same.
3389 (tm-constsr.h): New target.
3390 (s-constrs-h): New target.
3392 * config/rs6000/constraints.md: New file.
3393 * config/rs6000/rs6000.c: Include tm-constrs.h.
3394 (num_insn_constant_wide): Convert to satisfies_constraint.
3395 (rs6000_rtx_costs): Convert to satisfies_constraint.
3396 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3397 (CONST_OK_FOR_LETTER_P): Delete.
3398 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3399 (EXTRA_CONSTRAINT): Delete.
3400 (EXTRA_MEMORY_CONSTRAINT): Delete.
3401 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3402 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3403 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3404 satisfies_constraint.
3406 * config/i386/i386.c: Include tm-constrs.h.
3408 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3410 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3411 * tree-data-ref.c (find_data_references_in_loop,
3412 compute_data_dependences_for_loop): Use pointers to VEC.
3413 (analyze_all_data_dependences): Adjust calls.
3414 * tree-data-ref.h (find_data_references_in_loop,
3415 compute_data_dependences_for_loop): Adjust declarations.
3416 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3417 compute_data_dependences_for_loop.
3419 2006-03-29 Paul Brook <paul@codesourcery.com>
3421 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3424 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3426 PR tree-optimization/26859
3427 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3429 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3430 for the step after fold_convert.
3432 2006-03-29 Paul Brook <paul@codesourcery.com>
3434 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3435 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3437 2006-03-29 Paul Brook <paul@codesourcery.com>
3440 * targhooks.c (default_narrow_bitfield): New fuction.
3441 * targhooks.h (default_narrow_bitfield): add prototype.
3442 * target.h (gcc_target): Add narrow_volatile_bitfield.
3443 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3444 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3445 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3446 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3448 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3450 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3452 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3453 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3454 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3455 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3456 (s390_function_arg_float): Allow SDmode and DDmode values to be
3457 passed in floating point registers.
3458 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3459 check with SCALAR_FLOAT_MODE_P.
3460 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3462 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3464 PR tree-optimization/25985
3465 * tree-ssa-loop-niter.c (number_of_iterations_le,
3466 number_of_iterations_ne): Make comments more precise.
3467 (number_of_iterations_cond): Add only_exit argument. Use the
3468 fact that signed variables do not overflow only when only_exit
3470 (loop_only_exit_p): New.
3471 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3472 number_of_iterations_cond.
3474 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3476 PR tree-optimization/26643
3477 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3480 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3482 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3483 (divsi3_i4_int): Likewise.
3485 2006-03-28 Roger Sayle <roger@eyesopen.com>
3487 * expr.c (emit_group_store): Only create a new pseudo reg if the
3488 quantity it needs to hold isn't already a suitable pseudo.
3490 2006-03-28 Jeff Law <law@redhat.com>
3492 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3493 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3495 2006-03-28 Roger Sayle <roger@eyesopen.com>
3497 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3498 the equivalent ~X & Y, and the symmetry related transformations.
3499 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3500 ~X & Y, and symmetry related transforms.
3502 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3504 Revert my 2006-03-27 patches.
3506 2006-03-28 Roger Sayle <roger@eyesopen.com>
3508 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3509 ~(T1)X, when T1 and T2 are integer types of the same precision
3510 and (T2)X isn't an extension.
3512 2006-03-28 Jeff Law <law@redhat.com>
3514 PR tree-optimization/26796
3515 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3516 need EH edge cleanups rather than purging them immediately.
3517 (eliminate_degenerate_phis): Handle queued EH cleanups.
3519 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3521 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3524 2006-03-27 Roger Sayle <roger@eyesopen.com>
3527 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3528 cast BIT_NOT_EXPR operand to the correct type.
3530 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3532 * tree-loop-linear.c: Don't include varray.h.
3533 (gather_interchange_stats, try_interchange_loops,
3534 linear_transform_loops): Use VEC instead of VARRAY.
3535 * lambda-mat.c: Don't include varray.h.
3536 * tree-chrec.c: Same.
3537 * lambda-trans.c: Same.
3538 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3539 VEC instead of VARRAY.
3540 * tree-vectorizer.h: Idem.
3541 * tree-data-ref.c (dump_data_references,
3542 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3543 initialize_data_dependence_relation, finalize_ddr_dependent,
3544 compute_all_dependences, find_data_references_in_loop,
3545 compute_data_dependences_for_loop, analyze_all_data_dependences,
3546 free_dependence_relation, free_dependence_relations,
3547 free_data_refs): Idem.
3548 * tree-data-ref.h (data_reference_p, subscript_p): New.
3549 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3550 VEC instead of VARRAY.
3551 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3552 (find_data_references_in_loop, compute_data_dependences_for_loop,
3553 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3554 dump_data_dependence_relations, free_dependence_relations,
3555 free_data_refs): Adjust declaration.
3556 (lambda_transform_legal_p): Move declaration here...
3557 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3558 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3559 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3560 vect_analyze_data_refs): Use VEC instead of VARRAY.
3561 * lambda.h (lambda_transform_legal_p): ...from here.
3562 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3563 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3564 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3565 tree-chrec.o): Don't depend on VARRAY_H.
3567 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3569 * rtl.def (Copyright): Update date.
3570 (DEPS_LIST): Change type of the second operand to 'int'.
3571 * target.h (Copyright): Update date.
3572 (struct gcc_target.speculate_insn): Change type of the second parameter
3574 * lists.c (Copyright): Update date.
3575 (alloc_DEPS_LIST): Change signature. Update reference to the second
3576 operand of the DEPS_LIST.
3577 (copy_DEPS_LIST_list): Update reference to the second operand of the
3579 * rtl.h (Copyright): Update date.
3580 (alloc_DEPS_LIST): Update signature.
3581 * sched-int.h (Copyright): Update date.
3582 (ds_t): Change typedef to 'int'.
3583 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3585 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3587 * haifa-sched.c (Copyright): Update date.
3588 (try_ready): Change condition to restore non-speculative pattern
3590 (process_insn_depend_be_in_spec): Code to keep probability of the
3591 speculative dependence non-decreasing.
3593 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3595 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3596 shut up the compiler.
3598 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3600 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3601 to use lib prefix for target.
3602 ($(T)libic_invalidate_array_4-200.a): Likewise.
3603 ($(T)libic_invalidate_array_4a.a): Likewise.
3605 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3606 J"orn Rennecke <joern.rennecke@st.com>
3608 * superh.opt: New file.
3609 * sh.c (boardtype, osruntime): Remove.
3610 * superh.h (SUBTARGET_OPTIONS): Remove.
3611 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3613 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3614 arguments with ^ and/or [].
3616 * config.gcc (sh-*-*): Add quoting to account for quirk of
3618 Replace == with = in enable_incomplete_targets test.
3620 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3621 with MASK_LITTLE_ENDIAN.
3623 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3624 * config/sh/sh.opt: Added to some comments.
3625 * config/sh/superh.h: Removed some chaff.
3627 * config/sh/sh.opt: Add m4-[1234]00* options.
3628 * config/sh/sh.c (sh_handle_option): Likewise.
3629 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3630 (ic_invalidate_array_4-100.o): New rule.
3631 ($(T)libic_invalidate_array_4-100.a): Likewise.
3632 (ic_invalidate_array_4-200.o): Likewise.
3633 ($(T)libic_invalidate_array_4-200.a): Likewise.
3634 (ic_invalidate_array_4a.o): Likewise.
3635 ($(T)libic_invalidate_array_4a.a): Likewise.
3636 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3637 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3639 * config/sh/crt1.asm: Merged in profiling code.
3640 * config/sh/superh.h (STARTFILE_SPEC): Override.
3641 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3642 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3643 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3645 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3646 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3647 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3649 * sh.opt (mpretend-cmove): New option.
3650 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3651 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3652 (movsicc): Add TARGET_PRETEND_CMOVE code.
3654 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3656 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3657 s390_class_max_nregs): New function prototypes.
3658 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3659 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3660 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3661 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3663 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3665 * dwarf2out.c (add_location_or_const_value_attribute): Call
3666 tree_add_const_value_attribute if nothing else works.
3667 (reference_to_unused): New.
3668 (rtl_for_decl_init): Use reference_to_unused to decide whether
3669 to output an initializer.
3671 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3674 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3675 peephole removing spe frob_di_df_2.
3677 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3679 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3680 (subscript_dependence_tester_1): Declared.
3681 (print_dir_vectors, print_dist_vectors): New.
3682 (debug_data_dependence_relation): New.
3683 (dump_data_dependence_relation): Print more details.
3684 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3685 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3686 (save_dist_v, save_dir_v, add_outer_distances,
3687 build_classic_dist_vector_1): New.
3688 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3689 Don't test for lambda_vector_lexico_pos.
3690 (same_access_functions, add_multivariate_self_dist,
3691 add_other_self_distances, dir_from_dist): New.
3692 (build_classic_dir_vector): Replace implementation almost identical to
3693 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3695 (subscript_dependence_tester_1): New.
3696 (subscript_dependence_tester): Handle the lexicographically negative
3697 distance vectors by recomputing the dependence relation.
3698 (compute_affine_dependence): Remove parameter loop_nest_depth.
3699 (compute_self_dependence): Don't call compute_subscript_distance.
3700 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3701 Add a parameter for the loop_nest.
3702 (find_loop_nest_1, find_loop_nest): New.
3703 (compute_data_dependences_for_loop): Compute the loop nest, and give
3704 up if the nest is not well formed.
3705 * tree-data-ref.h (loop_p): New.
3706 (struct data_dependence_relation): Replace size_vect field with
3707 loop_nest, a vec of loops.
3708 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3709 (DDR_LOOP_NEST): New.
3710 (print_dir_vectors, print_dist_vectors,
3711 debug_data_dependence_relation): Declared.
3712 (index_in_loop_nest): New.
3713 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3714 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3717 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3719 * simplify-rtx.c (simplify_relational_operation): Call
3720 simplify_relational_operation_1 even if mode is VOIDmode.
3722 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3724 PR tree-optimization/26804
3725 * tree.h (DECL_CALL_CLOBBERED): New macro.
3726 (tree_decl_common): Add call_clobbered_flag.
3727 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3728 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3729 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3730 (mark_non_addressable): Ditto.
3731 * tree-ssa.c (verify_call_clobbered): New function.
3732 (verify_alias_info): Use it.
3733 * tree-pass.h (pass_reset_cc_flags): New prototype.
3734 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3735 (reset_cc_flags): New function.
3736 * passes.c (init_optimization_passes): Call reset_cc_flags after
3737 initializing referenced_vars.
3739 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3740 Roger Sayle <roger@eyesopen.com>
3743 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3744 to 1.0 for non-real operands. Implement A / A optimization for
3747 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3749 * config/i386/i386.c (size_cost): Correct the comment for
3750 cost of storing fp registers.
3751 (i386_cost): Likewise.
3752 (i486_cost): Likewise.
3753 (pentium_cost): Likewise.
3754 (pentiumpro_cost): Likewise.
3755 (k6_cost): Likewise.
3756 (athlon_cost): Likewise.
3757 (k8_cost): Likewise.
3758 (pentium4_cost): Likewise.
3759 (nocona_cost): Likewise.
3760 (generic64_cost): Likewise.
3761 (generic32_cost): Likewise.
3763 2006-03-24 Denis Chertykov <denisc@overta.ru>
3765 * config/avr/avr-protos.h (extra_constraint): Delete.
3766 (extra_constraint_Q): New declaration.
3767 * config/avr/constraints.md: New file.
3768 * config/avr/avr.md: Include it.
3769 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3770 (TMP_REGNO, ZERO_REGNO): Likewise.
3771 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3772 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3773 (extra_constraint): Delete.
3774 (extra_constraint_Q): Test for memory constraint 'Q'.
3775 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3776 (REG_CLASS_FROM_LETTER): Delete.
3777 (CONST_OK_FOR_LETTER_P): Delete.
3778 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3779 (EXTRA_CONSTRAINT): Delete.
3780 (TMP_REGNO): Delete.
3781 (ZERO_REGNO): Delete.
3783 2006-03-24 Jeff Law <law@redhat.com>
3785 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3786 directly. Call mark_new_vars_to_rename slightly earlier.
3788 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3790 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3792 (gen_compile_unit_die): Use new language types for Objective-C and
3794 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3795 DW_LANG_C_plus_plus.
3798 * config/t-darwin (crt3.o): Work around bug 26840.
3799 * config/darwin-crt3.c: Rewrite.
3800 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3802 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3804 * doc/invoke.texi: Document -femit-class-debug-always
3805 * common.opt: Add -femit-class-debug-always.
3807 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3809 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3810 index and base register.
3811 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3812 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3813 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3814 REGNO_OK_FOR_INDEX_P.
3815 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3817 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3818 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3819 REG_OK_FOR_BASE_P): Definitions removed.
3821 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3824 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3825 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3826 set yet or weren't marked as local yet.
3828 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3830 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3833 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3835 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3836 (rs6000_legitimate_small_data_p): Delete.
3837 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3838 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3839 and make static. Add forward declaration. Update uses.
3840 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3841 of offsettable_memref_p.
3842 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3843 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3845 2006-03-24 Jeff Law <law@redhat.com>
3847 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3848 around bug in immediate-use iterator.
3850 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3853 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3854 or __LITTLE_ENDIAN__.
3856 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3858 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3859 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3860 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3861 * config/sh/sh.opt (mdiv=): Amend description.
3862 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3863 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3864 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3865 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3866 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3867 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3868 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3869 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3870 TARGET_DIVIDE_CALL_FP.
3872 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3874 * haifa-sched.c (choose_ready): Fix type of the local variable.
3875 Move local variables. Add comment.
3876 (check_reg_live): Change signature. Make callable from debugger.
3877 * sched-int.h (check_reg_live): Update signature.
3878 * sched-ebb.c (check_reg_live): Update parameters.
3879 * sched-rgn.c (check_reg_live): Ditto.
3880 (region_head_or_leaf_p): Check pointer before dereferencing.
3881 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3882 before reload on optimization levels below 1.
3884 2006-03-23 Richard Henderson <rth@redhat.com>
3886 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3890 * config/alpha/predicates.md (local_symbolic_operand): Reject
3893 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3896 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3897 expressions which have overflowed constants.
3899 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3901 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3903 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3905 * cfgloopmanip.c (create_loop_notes): Removed.
3906 * final.c (final_scan_insn): Do not handle loop notes.
3907 * jump.c (squeeze_notes): Ditto.
3908 * cfglayout.c (skip_insns_after_block,
3909 duplicate_insn_chain): Ditto.
3910 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3912 * cfgloop.h (create_loop_notes): Declaration removed.
3914 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3916 * varasm.c (output_constant_pool): Restore fnname and fndecl
3918 (assemble_start_function): Adjust call accordingly.
3919 (assemble_end_function): Likewise.
3921 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3924 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3927 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3929 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3932 * system.h (ICE_EXIT_CODE): New macro.
3933 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3934 (diagnostic_action_after_output): Likewise.
3935 * gcc.c (fatal_ice): New function.
3936 (execute): Use it instead of fatal.
3937 (fancy_abort): Likewise.
3938 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3940 2006-03-22 Jeff Law <law@redhat.com>
3942 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3943 iv_analyze_result returning false.
3945 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3947 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3949 2006-03-22 Richard Henderson <rth@redhat.com>
3952 * except.c (duplicate_eh_regions_0): New.
3953 (duplicate_eh_region_1): Duplicate the children of the node as
3954 well as the node itself. Link them up properly.
3955 (duplicate_eh_region_2): Merge into ...
3956 (duplicate_eh_regions): ... here. Take copy_region argument, and
3957 copy only a sub-tree if asked. Simplify copying and fixup.
3958 (eh_region_outer_p): New.
3959 * except.h (duplicate_eh_regions): Update decl.
3960 (eh_region_outer_p): Declare.
3961 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3962 (lower_omp_master): Likewise.
3963 (lower_omp_ordered): Likewise.
3964 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3965 (move_stmt_r): Use it to remap labels. Handle recursion vs
3966 remap_decls_p properly.
3967 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3968 (find_outermost_region_in_block): New.
3969 (new_label_mapper): New.
3970 (move_sese_region_to_fn): Copy eh information to the new function
3972 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3974 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3977 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3979 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3980 into shared libraries.
3982 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3984 * doc/md.texi: Refer to i386/constraints.md instead of
3986 * config/i386/constraints.md: New file, extracted from...
3987 * config/i386/predicates.md: ...here.
3988 * config/i386/i386.md: Include constraints.md.
3990 2006-03-21 Jason Merrill <jason@redhat.com>
3992 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3995 * expr.c (init_block_move_fn): Force default visibility.
3996 (init_block_clear_fn): Likewise.
3997 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3998 * targhooks.c (default_external_stack_protect_fail): Likewise.
4000 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4002 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4003 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4004 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4005 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4006 (loadgp): Use mips_current_loadgp_style.
4007 (loadgp_noshared): New pattern.
4008 (sibcall_internal): Use MIPS_CALL.
4009 (sibcall_value_internal): Likewise.
4010 (sibcall_value_multiple_internal): Likewise.
4011 (call_internal): Likewise.
4012 (call_value_internal): Likewise.
4013 (call_value_multiple_internal): Likewise.
4014 (call_split): Use MIPS_CALL and add an 'S' constraint.
4015 (call_value_split): Likewise.
4016 (call_value_multiple_split): Likewise.
4017 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4018 (-mshared): New option.
4019 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4020 (mips_current_loadgp_style): Declare.
4021 * config/mips/mips.c (mips_classify_symbol): Avoid using
4022 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4023 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4024 TARGET_ABSOLUTE_ABICALLS.
4025 (override_options): Adjust comments. Improve the warning that is
4026 issued when -mabicalls and -G are used together.
4027 (mips_file_start): Remove comment.
4028 (mips_current_loadgp_style): New function.
4029 (mips_gnu_local_gp): New variable.
4030 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4032 (mips_output_function_prologue): Use mips_current_laodgp_style.
4033 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4034 the cprestore instruction.
4035 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4036 live for TARGET_ABSOLUTE_ABICALLS.
4037 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4038 (ASM_SPEC): Pass down -mshared and -mno-shared.
4039 (MIPS_CALL): New macro.
4040 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4042 * doc/invoke.texi (-mabicalls): Update documentation.
4043 (-mshared): Document.
4045 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4047 * config/ia64/unwind-hpux.c: New file.
4048 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4050 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4053 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4055 2006-03-21 Jeff Law <law@redhat.com>
4057 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4058 type conversions of a VR_VARYING source to a wider type.
4060 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4062 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4063 tm_file on Solaris 10 and later.
4064 (sparc64-*-solaris2*): Likewise.
4065 (sparc-*-solaris2*): Likewise.
4066 * config/sol26.h: Rename to config/sol2-6.h.
4067 * config/sol2-10.h: New file.
4069 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4072 * tree-ssa-pre.c (create_component_ref_by_pieces):
4075 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4078 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4079 return it immediately.
4081 2006-03-21 Michael Matz <matz@suse.de>
4083 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4085 (remove_arc, add_arc): Update num_out_arcs member.
4086 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4088 (cache_presence): New function.
4089 (compare_states_for_equiv): New function.
4090 (state_is_differed): Don't take number of outargs, adjust callers.
4091 Use new invariant for speeding up.
4092 (init_equiv_class): Create initial classes based on sorted
4094 (partition_equiv_class): Don't track out_arcs_num.
4095 (evaluate_equiv_classes): Call cache_presence on all states and
4098 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4100 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4101 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4102 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4103 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4105 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4106 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4107 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4108 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4109 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4111 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4112 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4113 (REGNO_REG_CLASS): ARGP is in PREGS.
4114 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4116 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4117 to deal with those addresses.
4118 * addresses.h: New file.
4119 * caller-save.c: Include "addresses.h".
4120 (init_caller_save): Use new base_reg_class function.
4121 * rtl-factoring.c: Include "addresses.h".
4122 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4123 * recog.c: Include "addresses.h".
4124 (preprocess_constraints): Use new base_reg_class function.
4125 * regrename.c: Include "addresses.h".
4126 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4127 functions. Keep track of a new var INDEX_CODE to compute valid
4129 (replace_oldest_value_addr): Likewise.
4130 (replace_oldest_value_mem): Use base_reg_class.
4131 * reload.c: Include "addresses.h".
4132 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4133 (find_reloads): Use new base_reg_class function.
4134 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4135 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4136 all callers and prototype changed.
4137 * reload1.c: Include "addresses.h".
4138 (maybe_fix_stack_asms): Use base_reg_class.
4139 * regclass.c: Include "addresses.h".
4140 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4141 (init_reg_autoinc): Use new base_reg_class function.
4142 (record_reg_classes): Likewise.
4143 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4144 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4145 Use new args to compute necessary class.
4147 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4148 regrename.o, rtl-factoring.o): Update dependencies.
4149 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4150 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4151 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4152 REG_OK_FOR_INDEX_P): Delete documentation.
4154 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4156 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4157 from V7 to V9 for Solaris 7 and above.
4159 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4161 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4162 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4163 argument pointers may not alias any other storage.
4164 * common.opt: Define option -fargument-noalias-anything.
4165 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4166 alias semantics is specified by flag_argument_noalias > 2.
4168 2006-03-20 Jeff Law <law@redhat.com>
4170 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4171 (pass_phi_only_cprop): Declare.
4172 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4174 * tree-ssa-dom.c (degenerate_phi_result): New function.
4175 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4176 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4177 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4178 (eliminate_degenerate_phis): Likewise.
4179 (pass_phi_only_cprop): New pass descriptor.
4180 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4181 support code. Callers updated.
4182 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4183 (store_copy_prop): Likewise.
4184 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4186 2006-03-20 Jason Merrill <jason@redhat.com>
4189 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4190 (push_visibility, pop_visibility): Likewise.
4191 * c-pragma.h: Declare them.
4193 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4195 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4197 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4198 parameter and use get_ebb_head_tail.
4199 (sh_md_init_global): Adjust uses of find_regmode_weight.
4201 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4203 * function.h (struct function) <x_tail_recursion_reentry>:
4204 Rename to x_stack_check_probe_note.
4205 (tail_recursion_reentry): Rename to stack_check_probe_note.
4206 * function.c: Replace tail_recursion_reentry with
4207 stack_check_probe_note everywhere.
4208 (expand_function_start): Only emit a note for
4209 stack_check_probe_note with -fstack-protect.
4210 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4212 * emit-rtl.c (remove_unnecessary_notes): Remove.
4213 (pass_remove_unnecessary_notes): Remove.
4214 * rtl.h (remove_unnecessary_notes): Remove prototype.
4215 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4216 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4217 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4219 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4222 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4223 (valid_in_set): Handle ARRAY_REF.
4224 Change "if min_variant or VH" to asserts.
4225 (create_component_ref_by_pieces): Handle ARRAY_REF.
4226 (create_expression_by_pieces): Likewise.
4227 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4229 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4231 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4232 is operand of switch, not str[0].
4234 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4236 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4237 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4239 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4241 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4242 end of insn_extra_address_constraint declaration.
4244 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4246 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4247 (no-sum-in-toc): Same.
4248 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4250 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4251 NO_FP_IN_TOC for -fPIC instead of mask.
4253 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4254 (BOOT_LDFLAGS): Delete.
4256 * config/rs6000/t-aix52: Same.
4258 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4259 (stmsi[345678]_power): New.
4261 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4263 * config/ia64/ia64.opt: Add empty line to end of file.
4265 2006-03-17 Richard Guenther <rguenther@suse.de>
4268 * builtins.c (get_pointer_alignment): For component style references
4269 adjust alignment to the component type alignment. Make sure
4270 to adjust alignment for component access of constants.
4272 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4274 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4277 2006-03-17 Paul Brook <paul@codesourcery.com>
4279 * doc/install.texi: Docuemnt --with-mode.
4280 * config.gcc: Add --with-mode for arm*-*-*.
4281 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4283 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4285 * sh.c (max_labelno_before_reorg): New variable.
4286 (sh_reorg): Initialize it.
4287 (find_barrier): Check max_labelno_before_reorg before using
4288 label_to_alignment. Take length of explicit alignment insns
4289 into account. When seeing a UNSPECV_CONST_END, return it.
4291 * sh.c (fixup_mova): Set mode of affected label to QImode.
4292 (untangle_mova): New function.
4293 (find_barrier): Use it. Check mode of label before decrementing
4295 (sh_reorg): Likewise.
4296 Set mode of all insns back to VOIDmode.
4298 * sh.c (MOVA_LABELREF): New macro.
4299 (mova_p, fixup_mova, sh_reorg): Use it.
4300 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4301 ADDR_DIFF_VEC matches mova.
4303 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4305 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4306 with ATTRIBUTE_UNUSED.
4308 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4310 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4311 pointer, instead of assuming it is possible to derive the
4312 correct args size from a call insn.
4314 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4316 * rtl.h (CONST_INT_P): Define.
4317 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4318 instead of GET_CODE(x) == CONST_INT.
4319 (vax_rtx_costs): Likewise.
4320 (vax_output_int_move): Likewise.
4321 (vax_output_int_add): Likewise.
4322 (legitimate_constant_address_p): Likewise.
4323 (index_term_p): Likewise.
4324 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4325 * config/vax/vax.md (and<mode>3): Likewise.
4326 (ashrsi3): Likewise.
4328 (movstricthi): Likewise.
4329 (movstrictqi): Likewise.
4330 (rotrsi3): Likewise.
4331 (five unnamed insns): Likewise.
4333 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4335 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4336 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4337 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4338 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4339 Pass to ASM_OUTPUT_DWARF_OFFSET.
4340 * dwarf2out.c (debug_frame_section): New.
4341 (output_call_frame_info): Use debug_frame_section. Pass it to
4342 dw2_asm_output_offset.
4343 (output_die): Pass appropriate section to dw2_asm_output_offset.
4344 (output_compilation_unit_header): Likewise.
4345 (output_pubnames): Likewise.
4346 (output_aranges): Likewise.
4347 (enum dw_val_class): Break dw_val_class_lbl_offset into
4348 dw_val_class_lineptr and dw_val_class_macptr.
4349 (add_AT_lbl_offset): Delete.
4350 (add_AT_lineptr): New.
4351 (add_AT_macptr): New.
4352 (AT_lbl): Expect a lineptr or macptr.
4353 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4354 (attr_checksum): Likewise.
4355 (same_dw_val_p): Likewise.
4356 (size_of_die): Likewise.
4357 (value_format): Likewise.
4358 (output_die): Likewise.
4359 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4361 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4362 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4363 * config/darwin-protos.h (darwin_file_start): New.
4364 (darwin_asm_output_dwarf_offset): New.
4365 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4366 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4368 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4369 if not EH section; simplify.
4370 (darwin_file_start): New.
4371 (darwin_asm_output_dwarf_offset): New.
4372 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4374 (DEBUG_INFO_SECTION): Likewise.
4375 (DEBUG_ABBREV_SECTION): Likewise.
4376 (DEBUG_ARANGES_SECTION): Likewise.
4377 (DEBUG_MACINFO_SECTION): Likewise.
4378 (DEBUG_LINE_SECTION): Likewise.
4379 (DEBUG_LOC_SECTION): Likewise.
4380 (DEBUG_PUBNAMES_SECTION): Likewise.
4381 (DEBUG_STR_SECTION): Likewise.
4382 (DEBUG_RANGES_SECTION): Likewise.
4383 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4384 (ASM_OUTPUT_DWARF_OFFSET): New.
4386 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4388 * config.gcc (tm_defines): Always add to previous value rather
4391 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4393 * config/mips/predicates.md (splittable_const_int_operand): New,
4394 split from move_operand.
4395 (splittable_symbolic_operand): New.
4396 (move_operand): Add commentary. Use splittable_const_int_operand.
4397 Inline mips_atomic_symbolic_constant_p.
4398 * config/mips/mips.md: Add combine splitters for handling moves
4399 of splittable_const_int_operands and splittable_symbolic_operands.
4400 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4401 (mips_split_symbol): Declare.
4402 (mips_move_integer): Declare.
4403 * config/mips/mips.c (mips_split_p): Make global.
4404 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4405 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4406 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4407 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4408 (mips_offset_within_object_p): Handle block symbols.
4409 (mips_atomic_symbolic_constant_p): Delete.
4410 (mips_cannot_force_const_mem): Return false for constants that
4411 mips_legitimize_move can handle.
4412 (mips_use_blocks_for_constant_p): New function.
4413 (mips_split_symbol): Make global.
4414 (mips_move_integer): Likewise. Add a temporary register argument.
4415 (mips_legitimize_const_move): Use splittable_const_int_operand and
4416 splittable_symbolic_operand.
4417 (mips_use_anchors_for_symbol_p): New function.
4418 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4419 (mips_split_p): Declare.
4421 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4423 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4424 (mips*-*-linux*): Likewise.
4426 2006-03-16 Roger Sayle <roger@eyesopen.com>
4427 Daniel Speyer <dspeyer@wam.umd.edu>
4430 * tree-dump.c (dump_real): New function.
4431 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4432 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4433 (tree-dump.o): Add $(REAL_H) to the dependencies.
4435 2006-03-16 Roger Sayle <roger@eyesopen.com>
4438 * real.c (real_from_string): If the mantissa is zero, don't bother
4439 parsing the exponent as the result should always be zero.
4441 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4443 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4445 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4447 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4448 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4449 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4450 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4451 ia64_sched_finish_global): New static functions to implement
4452 hooks from gcc_target.sched.
4453 (spec_check_no, max_uid, pending_data_specs): New static variables.
4454 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4455 ia64_spec_check_src_p): New static functions.
4456 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4457 (TARGET_SCHED_ADJUST_COST): Removed.
4458 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4459 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4460 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4461 TARGET_SCHED_GEN_CHECK,
4462 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4463 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4464 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4465 Fixed to handle speculation checks.
4466 (rtx_needs_barrier): Fixed to handle speculative loads and
4468 (ia64_variable_issue): Added code to count speculative loads and their
4470 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4472 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4474 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4476 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4477 (ia64_reorg): Reset stops_p to NULL after it is freed.
4478 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4479 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4480 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4482 (data_speculative, control_speculative, check_load): New attributes.
4483 (mov<mode>_advanced, mov<mode>_speculative,
4484 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4485 zero_extend<mode>di2_speculative,
4486 zero_extend<mode>di2_speculative_advanced): New patterns for
4487 data and control speculative loads.
4488 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4490 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4491 New pattern for data and control speculation checks.
4492 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4493 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4494 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4495 Auxiliary definitions for the patterns.
4496 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4497 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4499 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4501 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4502 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4503 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4504 New resource constraints.
4505 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4507 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4508 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4509 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4510 msched-in-control-spec, msched-ldc, msched-control-ldc,
4511 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4512 msched-prefer-non-control-spec-insns,
4513 msched-count-spec-in-critical-path): New flags to tune speculative
4515 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4516 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4517 msched-in-control-spec, msched-ldc, msched-control-ldc,
4518 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4519 msched-prefer-non-control-spec-insns,
4520 msched-count-spec-in-critical-path): Document new flags.
4522 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4524 * target.h (struct spec_info_def): New opaque declaration.
4525 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4526 speculate_insn, needs_block_p, gen_check,
4527 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4528 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4529 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4530 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4531 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4532 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4534 (TARGET_SCHED): Use new macros.
4535 * rtl.h (copy_DEPS_LIST_list): New prototype.
4536 * sched-int.h (struct sched_info): Change signature of new_ready field,
4537 adjust all initializations. New fields: add_remove_insn,
4538 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4539 region_head_or_leaf_p.
4540 (struct spec_info_def): New structure declaration.
4541 (spec_info_t): New typedef.
4542 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4543 recovery_block, orig_pat.
4544 (glat_start, glat_end): New variables declaraions.
4545 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4547 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4548 DETACH_LIFE_INFO, USE_GLAT.
4549 (enum SPEC_SCHED_FLAGS): New enumeration.
4550 (NOTE_NOTE_BB_P): New macro.
4551 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4552 attach_life_info, debug_spec_status, check_reg_live): New functions.
4553 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4554 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4556 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4557 * ddg.c (get_block_head_tail): Adjust all uses.
4558 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4559 (sms_sched_info): Initialize new fields.
4560 (contributes_to_priority): Removed.
4561 * haifa-sched.c (params.h): New include.
4562 (get_block_head_tail): Adjust all uses.
4563 (ISSUE_POINTS): New macro.
4564 (glat_start, glat_end): New global variables.
4565 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4566 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4567 old_last_basic_block, before_recovery, current_sched_info_var,
4568 rgn_n_insns, luid): New static variables.
4569 (insn_cost1): New function. Move logic from insn_cost to here.
4570 (find_insn_reg_weight1): New function. Move logic from
4571 find_insn_reg_weight to here.
4572 (reemit_notes, move_insn, max_issue): Change signature.
4573 (move_insn1): Removed.
4574 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4575 extend_bb): New static functions to support extension of scheduler's
4577 (generate_recovery_code, process_insn_depend_be_in_spec,
4578 begin_speculative_block, add_to_speculative_block,
4579 init_before_recovery, create_recovery_block, create_check_block_twin,
4580 fix_recovery_deps): New static functions to support
4581 generation of recovery code.
4582 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4583 restore_bb_notes, move_block_after_check, move_succs): New static
4584 functions to support ebb scheduling.
4585 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4586 functions to support handling of register live information.
4587 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4588 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4589 add_jump_dependencies): New static functions.
4590 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4591 consistancy checking.
4592 (debug_spec_status): New function to call from debugger.
4593 (priority): Added code to handle speculation checks.
4594 (rank_for_schedule): Added code to distinguish speculative instructions.
4595 (schedule_insn): Added code to handle speculation checks.
4596 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4597 Fixed to handle ebbs.
4598 (move_insn): Added code to handle ebb scheduling.
4599 (max_issue): Added code to use ISSUE_POINTS of instructions.
4600 (choose_ready): Added code to choose between speculative and
4601 non-speculative instructions.
4602 (schedule_block): Added code to handle ebb scheduling and scheduling of
4603 speculative instructions.
4604 (sched_init): Initialize new variables.
4605 (sched_finish): Free new variables. Print statistics.
4606 (try_ready): Added code to handle speculative instructions.
4607 * lists.c (copy_DEPS_LIST_list): New function.
4608 * sched-deps.c (extend_dependency_caches): New function. Move logic
4609 from create_dependency_caches to here.
4610 (get_dep_weak, ds_merge): Make global.
4611 * genattr.c (main): Code to output prototype for
4612 dfa_clear_single_insn_cache.
4613 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4614 (output_dfa_clean_insn_cache_func): Code to output
4615 dfa_clear_single_insn_cache function.
4616 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4618 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4620 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4621 New static variables.
4622 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4623 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4625 (ebb_sched_info): Initialize new fields.
4626 (get_block_head_tail): Adjust all uses.
4627 (compute_jump_reg_dependencies): Fixed to use glat_start.
4628 (schedule_ebb): Code to remove unreachable last block.
4629 (schedule_ebbs): Added code to update register live information.
4630 * sched-rgn.c (region_sched_info): Initialize new fields.
4631 (get_block_head_tail): Adjust all uses.
4632 (last_was_jump): Removed. Adjust users.
4633 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4634 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4635 Implement new hooks.
4636 (check_dead_notes1): New static function.
4637 (struct region): New fields: dont_calc_deps, has_real_ebb.
4638 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4639 (BB_TO_BLOCK): Fixed to handle EBBs.
4640 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4641 (ebb_head): New static variable.
4642 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4643 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4645 (compute_dom_prob_ps): New assertion.
4646 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4647 global_live_at_start.
4648 (init_ready_list): New assertions.
4649 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4650 (new_ready): Add support for BEGIN_CONTROL speculation.
4651 (schedule_insns): Fixed code that updates register live information
4653 (schedule_region): Fixed to handle EBBs.
4654 (init_regions): Use extend_regions and check_dead_notes1.
4655 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4656 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4657 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4658 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4659 TARGET_SCHED_GEN_CHECK,
4660 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4661 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4662 * doc/invoke.texi (max-sched-insn-conflict-delay,
4663 sched-spec-prob-cutoff): Document.
4665 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4667 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4668 inter_tick, queue_index.
4669 (struct sched_info): Change signature of init_ready_list field.
4670 Adjust all initializations.
4671 (RESOLVED_DEPS): New access macro.
4672 (ready_add): Remove prototype.
4673 (try_ready): Add prototype.
4674 * sched-rgn.c (init_ready_list): Use try_ready.
4675 (schedule_region): Initialize
4676 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4677 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4678 (init_ready_list): Use try_ready.
4679 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4680 * lists.c (remove_list_elem): Remove `static'.
4681 (remove_free_INSN_LIST_elem): New function.
4682 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4683 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4684 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4686 (readyp): New variable.
4687 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4688 change_queue_index, resolve_dep): New static functions.
4689 (try_ready): New function. Adjust callers in sched-rgn.c and
4690 sched-ebb.c to use it instead of ready_add.
4691 (clock_var): Move at the begining of file.
4692 (rank_for_schedule): Fix typo.
4693 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4694 (ready_lastpos): Enforce assertion.
4695 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4697 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4698 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4699 (queue_to_ready): Use free_INSN_LIST_list.
4700 (early_queue_to_ready): Fix typo.
4701 (schedule_block): Init readyp. Move init_ready_list call after the
4702 initialization of clock_var. Fix error in rejecting insn by
4703 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4704 that previously corrected INSN_TICKs. Add code for handling
4706 (set_priorities): Fix typo.
4707 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4708 Clarify comment and code that keeps current_sched_info->next_tail
4711 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4713 * sched-rgn.c (extend_rgns): New static function.
4714 (find_rgns): Use it.
4715 (gather_region_statistics, print_region_statistics): New static
4717 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4718 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4720 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4721 Andrey Belevantsev <abel@ispras.ru>
4723 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4724 * lists.c (unused_deps_list): New variable.
4725 (free_list): Add assertions to verify the proper distinguishing
4726 between INSN_LISTs and DEPS_LISTs.
4727 (find_list_elem, remove_list_elem, remove_list_node): New static
4729 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4730 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4731 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4732 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4734 (free_INSN_LIST_node): Likewise.
4735 * modulo-sched.c (current_sched_info): Initialize flags field.
4736 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4737 * rtl.def (DEPS_LIST): Define.
4738 * rtl.h: Declare new functions from lists.c.
4739 * sched-deps.c (spec_dependency_cache): New static variable.
4740 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4741 (add_dependence): Change return type to void. Move the logic to ...
4742 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4743 (delete_all_dependences): Add comment about forward_dependency_cache.
4744 Handle spec_dependency_cache. Handle DEPS_LISTs.
4745 (fixup_sched_groups): Clarify the change of priority of output
4746 and anti dependencies.
4747 (sched_analyze_2): Adjust add_dependence calls to create data
4748 speculative dependence.
4749 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4750 Adjust all callers. Handle DEPS_LISTS.
4751 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4752 presence of speculation.
4753 (init_dependency_caches, free_dependency_caches):
4754 Handle spec_dependency_cache.
4755 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4756 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4757 New static functions.
4758 (add_or_update_back_dep, add_or_update_back_forw_dep,
4759 add_back_forw_dep, delete_back_forw_dep): New functions.
4760 * sched-int.h (ds_t, dw_t): New typedefs.
4761 (struct sched_info): Add new field flags.
4762 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4763 Prototype new sched-deps.c functions.
4764 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4765 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4766 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4767 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4768 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4769 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4771 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4773 * sched-rgn.c (current_sched_info): Initialize flags field.
4774 (schedule_insns): Initialize current_sched_info before the sched_init
4776 * sched-ebb.c (current_sched_info): Initialize flags field.
4777 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4778 Call add_or_update_back_dep instead of add_dependence.
4779 Create control speculative dependencies.
4780 (schedule_insns): Initialize current_sched_info before the sched_init
4783 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4785 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4787 (sh_fallback_frame_state): Likewise.
4789 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4791 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4792 Do switch on default_use_cxa_atexit.
4793 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4794 * config/darwin-crt3.o: New.
4795 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4796 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4797 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4799 * config/rs6000/t-darwin: Move crt2.o building to here.
4800 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4801 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4804 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4806 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4807 from '! xxx' to '!xxx' for coding-style conformance.
4808 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4809 (EXTRA_CONSTRAINT): Likewise.
4810 * config/vax/vax.md (four unnamed insns): Likewise.
4812 2006-03-15 Paul Brook <paul@codesourcery.com>
4814 * config/arm/arm.c (minipool_pad): New.
4815 (add_minipool_forward_ref): Include pool alignment padding in address
4817 (push_minipool_fix): Set minipool_pad.
4818 (minipool_pad): Ditto.
4820 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4822 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4823 instead of GET_CODE() == MEM and REG_P() instead of
4825 (print_operand_address): Likewise.
4826 (vax_address_cost): Likewise.
4827 (vax_rtx_costs): Likewise.
4828 (vax_notice_update_cc): Likewise.
4829 (vax_output_int_add): Likewise.
4830 (INDEX_REGISTER_P): Likewise.
4831 (BASE_REGISTER_P): Likewise.
4832 (nonindexed_address_p): Likewise.
4833 (vax_mode_dependent_address_p): Likewise.
4834 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4835 (PRINT_OPERAND): Likewise.
4836 * config/vax/vax.md (ashlsi3): Likewise.
4837 (ashlsi3): Likewise.
4838 (some more unnamed insns): Likewise.
4840 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4842 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4843 iterator-style macro.
4844 (mark_control_dependent_edges_necessary): Update the use of
4845 EXECUTE_IF_CONTROL_DEPENDENT.
4847 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4849 * config/sh/predicates.md (cache_address_operand): Special.
4850 (ua_address_operand): Likewise.
4852 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4854 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4856 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4858 2006-03-15 Andreas Schwab <schwab@suse.de>
4860 * gensupport.c (identify_predicable_attribute): Don't free p_false
4861 when it is still in use.
4863 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4865 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4866 the default setting here.
4868 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4870 * tree-pass.h (pass_cfg): Remove.
4871 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4872 * passes.c (pass_cfg): Don't run it.
4874 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4876 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4877 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4879 (stack_regs_mentioned): Update the uses of
4880 stack_regs_mentioned_data. Don't access the array beyond its
4882 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4883 Don't include gt-reg-stack.h.
4885 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4886 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4888 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4891 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4894 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4896 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4898 2006-03-14 Richard Guenther <rguenther@suse.de>
4900 PR tree-optimization/26672
4901 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4904 2006-03-14 Richard Guenther <rguenther@suse.de>
4906 PR tree-optimization/26667
4907 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4908 node for the callees. Always allow inlining if it will shrink
4911 2006-03-14 Richard Guenther <rguenther@suse.de>
4914 * builtins.c (get_pointer_alignment): Prefer alignment
4915 information from decls over that from types.
4917 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4920 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4922 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4924 * config/rs6000/rs6000.opt (mdlmzb): New option.
4925 (msched-prolog, msched-epilog): Use Var not Mask.
4926 * doc/invoke.texi (-mdlmzb): Document.
4927 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4929 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4930 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4932 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4934 PR rtl-optimization/25739
4935 * bt-load.c (augment_live_range): Free tos pointer.
4937 * gensupport.c (identify_predicable_attribute): Free
4939 * gcov.c (create_file_names): Free name pointer.
4941 2006-03-13 Roger Sayle <roger@eyesopen.com>
4944 * stmt.c (emit_case_nodes): Handle the case where the index is a
4945 CONST_INT, where the comparison mode is specified by the index type.
4947 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4949 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4952 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4954 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4955 (*branch_fp_inverted): Likewise.
4957 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4960 * omp-low.c (expand_omp_for_generic): Mark istart0
4961 and iend0 as addressable.
4963 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4965 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4967 2006-03-13 Jeff Law <law@redhat.com>
4969 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4970 virtual operands are interesting.
4971 (vrp_visit_stmt): Corresponding changes.
4973 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4975 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4977 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4978 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4979 * config/bfin/crti.S: Use it instead of __PIC__.
4980 * config/bfin/crtn.S: Likewise.
4982 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4983 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4985 Lose 'G' modifier for call operand.
4986 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4987 recognize 'G' modifier.
4989 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4992 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4993 * stmt.c (expand_case): Likewise.
4995 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4997 PR rtl-optimization/26254
4998 * loop-invariant.c (seq_insns_valid_p): New function.
4999 (move_invariant_reg): Only emit new code if it is valid.
5001 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5003 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5005 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5006 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5007 (commit_one_edge_insertion): Do not look for loop notes.
5009 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5011 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5012 flag_test_coverage out of loop.
5014 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5016 * final.c (shorten_branches): Remove outdated comment, and turn
5017 the if branch that guards it to continue.
5019 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5021 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5022 * cfgloop.h (struct loop): Remove unused fields.
5024 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5026 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5027 (-dL, -fdump-rtl-loop2): Update the dump file names
5029 * doc/invoke.texi: Update dump file names.
5031 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5033 * predict.c (estimate_probability): Remove.
5034 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5035 * basic-block.h (estimate_probability): Remove prototype.
5036 * passes.c (finish_optimization_passes): Dump branch prediction or
5037 profiling heuristics to the .profile tree dump.
5038 (init_optimization_passes): Unqueue pass_branch_prob.
5040 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5042 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5044 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5045 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5047 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5049 * function.h (frame_offset_overflow): Declare.
5050 * function.c (frame_offset_overflow): New function.
5051 (assign_stack_local_1): Call it to detect that the offset overflows.
5052 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5054 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5056 * config/sh/sh.c: Include alloc-pool.h.
5057 (label_ref_list_pool): New alloc pool.
5058 (label_ref_list_t): New type for lists of labels.
5059 (struct pool_node): Make wend a label_ref_list_t.
5060 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5062 (dump_table): Likewise.
5063 (sh_reorg): Set up the alloc pool before using add_constant and
5064 dump_table, and destroy it when finishing.
5066 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5068 * config/mips/mips.c: Remove redundant comment.
5070 2006-03-10 Jason Merrill <jason@redhat.com>
5073 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5074 the target was declared 'register'.
5076 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5078 * genpreds.c (write_insn_constraint_len): Change definition of
5079 insn_constraint_len to return size_t to match the declaration.
5081 2006-03-10 DJ Delorie <dj@redhat.com>
5083 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5085 (m32c_expand_insv): Fix test for an AND mask.
5087 2006-03-10 Richard Guenther <rguenther@suse.de>
5090 * builtins.c (get_pointer_alignment): Handle component
5091 references for field alignment.
5093 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5095 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5096 when building with libgloss.
5097 (sh*elf): Implement --without-fp option.
5098 (sh64-superh-linux*): Don't multilib.
5100 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5102 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5104 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5106 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5107 Set it when one of the replacement functions returned true.
5108 Return TODO_cleanup_cfg if cfgchanged is true.
5109 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5111 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5113 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5114 instead of gen_lowpart.
5116 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5118 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5120 (mips_output_order_conditional_branch): Declare.
5121 * config/mips/mips.h (MIPS_BRANCH): New macro.
5122 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5123 for the comparison. Use gen_condjump.
5124 (mips_output_conditional_branch): Rework interface to take the
5125 asm templates for a direct branch and the inverse of a direct branch.
5126 (mips_output_order_conditional_branch): New function.
5127 (mips_builtin_branch_and_move): New function.
5128 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5129 branch condition. Use gen_single_cc as the condition for
5130 __builtin_mips_upper_* or __builtin_mips_lower_*.
5131 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5132 Use VOIDmode for the branch condition.
5133 * config/mips/predicates.md (order_operator): New predicate.
5134 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5135 (branch_fp): Rename to...
5136 (*branch_fp): ...this. Remove mode from comparison operator.
5137 Use new mips_output_conditional_branch interface.
5138 (branch_fp_inverted): Rename to...
5139 (*branch_fp_inverted): ...this and update as for *branch_fp.
5140 (*branch_zero<mode>): Rename to...
5141 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5142 Use mips_output_order_conditional_branch. Only accept ordered
5144 (*branch_zero<mode>_inverted): Rename to...
5145 (*branch_order<mode>_inverted): ...this and update as for
5146 *branch_order<mode>.
5147 (*branch_equality<mode>): Accept zero as the second operand to
5148 the equality operator. Use the new mips_output_conditional_branch
5150 (*branch_equality<mode>_inverted): Likewise.
5151 (condjump): New expander.
5152 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5154 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5155 (bc1any2t, bc1any2f): Likewise.
5156 (single_cc): New expander.
5157 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5159 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5161 * doc/md.texi: Update documentation of MIPS constraints.
5162 * config/mips/constraints.md: New file.
5163 * config/mips/mips.md: Include it.
5164 * config/mips/mips.c (mips_char_to_class): Delete.
5165 (override_options): Don't initialize mips_char_to_class.
5166 * config/mips/mips.h (mips_char_to_class): Delete.
5167 (REG_CLASS_FROM_LETTER): Delete.
5168 (CONST_OK_FOR_LETTER_P): Delete.
5169 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5170 (EXTRA_CONSTRAINT_Y): Delete.
5171 (EXTRA_CONSTRAINT_STR): Delete.
5172 (CONSTRAINT_LEN): Delete.
5173 (EXTRA_MEMORY_CONSTRAINT): Delete.
5175 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5177 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5178 original fn's eh regions.
5180 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5182 * fold-const.c (build_range_check): Make sure to use a valid type to
5183 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5186 (range_predecessor): New static function.
5187 (range_successor): Likewise.
5188 (merge_ranges): Use them to compute predecessors and successors of
5191 2006-03-09 Roger Sayle <roger@eyesopen.com>
5194 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5195 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5197 2006-03-08 DJ Delorie <dj@redhat.com>
5199 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5200 (addpsi3): Expand to include memory operands. Remove
5201 reload-specific splits.
5202 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5203 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5204 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5205 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5206 (shift1_qi, shift1_hi, insv): New.
5207 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5208 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5209 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5211 * config/m32c/m32c-protos.h: Update as needed.
5212 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5213 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5214 Fail for unrecognized R* constraints.
5215 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5216 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5217 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5219 (m32c_init_libfuncs): New.
5220 (m32c_legitimate_address_p): Add debug wrapper.
5221 (m32c_rtx_costs): New.
5222 (m32c_address_cost): New.
5223 (conversions): Add 'B' prefix.
5224 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5225 operands, or word regnames for QI operands. 'B' prints bit
5227 (m32c_expand_setmemhi): New.
5228 (m32c_expand_movmemhi): New.
5229 (m32c_expand_movstr): New.
5230 (m32c_expand_cmpstr): New.
5231 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5232 (m32c_expand_neg_mulpsi3): Handle non-ints.
5233 (m32c_cmp_flg_0): New.
5234 (m32c_expand_movcc): New.
5235 (m32c_expand_insv): New.
5236 (m32c_scc_pattern): New.
5237 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5238 a0/a1 out of SIregs.
5239 (STORE_FLAG_VALUE): New.
5240 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5243 * config/m32c/mov.md: Make constraints more liberal.
5244 (zero_extendqihi2): Optimize r0/r1 case.
5245 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5246 * config/m32c/predicates.md (m32c_any_operand): New.
5247 (m32c_nonimmediate_operand): New.
5248 (m32c_hl_operand): New.
5249 (m32c_r3_operand): New.
5252 (memsym_operand): New.
5253 (memimmed_operand): New.
5254 (a_qi_operand): New.
5255 (m32c_eqne_operator): New.
5256 (m32c_1bit8_operand): New.
5257 (m32c_1bit16_operand): New.
5258 (m32c_1mask8_operand): New.
5259 (m32c_1mask16_operand): New.
5260 * config/m32c/blkmov.md: New file.
5261 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5263 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5265 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5266 unsigned to fix signed/unsigned comparison issue in
5267 DWARF2_FRAME_REG_OUT.
5268 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5269 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5271 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5272 of ptr into the ENABLE_CHECKING section.
5274 2006-03-08 Jeff Law <law@redhat.com>
5276 * tree-vrp.c (infer_value_range): Only count pointer uses
5277 and dereferences if -fdelete-null-pointer-checks is enabled.
5279 * tree-vrp.c (find_assert_locations): Infer value ranges for
5280 single use pointers, but do not create ASSERT_EXPRs for them.
5281 When a non-null range is inferred for a pointer, backwards
5282 propagate that range to other equivalent pointers through the
5285 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5288 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5289 language hook targets.
5290 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5291 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5292 if language hook targets were missing.
5294 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5296 * tree-ssa-opfinalize.h: Removed.
5297 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5299 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5300 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5301 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5302 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5303 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5304 finalize_ssa_v_must_def_ops): New.
5306 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5308 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5311 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5313 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5315 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5316 addresses with offsets; reorganize.
5318 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5319 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5320 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5322 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5325 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5327 2006-03-08 Ben Elliston <bje@au.ibm.com>
5329 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5331 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5334 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5337 2006-03-07 Richard Guenther <rguenther@suse.de>
5339 PR tree-optimization/26587
5340 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5342 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5344 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5346 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5348 * hooks.c (hook_bool_mode_rtx_true): New function.
5349 * hooks.h (hook_bool_mode_rtx_true): Declare.
5350 * toplev.c (compile_file): Call output_shared_constant_pool.
5351 * varasm.c (shared_constant_pool): New variable.
5352 (assemble_start_function, assemble_end_function): Remove arguments
5353 from call to output_constant_pool.
5354 (create_constant_pool): New function, split out from...
5355 (init_varasm_status): ...here.
5356 (force_const_mem): Choose between the shared and per-function constant
5357 pools. Set current_function_uses_const_pool when reusing old entries
5358 as well as when creating new ones.
5359 (mark_constant): Ignore data argument.
5360 (mark_constants): Remove pool argument.
5361 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5362 to decide whether the function uses a constant pool.
5363 (output_constant_pool_contents): New function, split out from...
5364 (output_constant_pool): ...here.
5365 (output_shared_constant_pool): New function.
5366 (init_varasm_once): Initialize shared_constant_pool.
5367 * output.h (output_constant_pool): Delete.
5368 (output_shared_constant_pool): Declare.
5369 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5370 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5372 2006-03-06 Nick Clifton <nickc@redhat.com>
5374 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5375 flag_strength_reduce.
5377 2006-03-06 Ben Elliston <bje@au.ibm.com>
5379 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5380 x86_64-*-linux* configurations.
5382 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5383 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5385 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5387 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5389 * basic-block.h: Remove the extern for
5390 rediscover_loops_after_threading.
5392 * cfgloop.c (cancel_loop): Make it static.
5393 * cfgloop.h: Remove the prototype for cancel_loop.
5395 * flow.c (recompute_reg_usage): Make it static.
5396 * rtl.h: Remove the prototype for recompute_reg_usage.
5398 * function.c (use_return_register): Make it static.
5399 * function.h: Remove the prototype.
5401 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5403 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5405 * recog.h: Remove the prototype for
5406 validate_change_maybe_volatile.
5408 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5410 * rtlanal.c (replace_reg): Remove.
5411 * rtl.h: Remove the prototype for replace_reg.
5413 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5415 * regclass.c (reg_scan_update): Remove.
5416 (reg_scan_mark_refs): Remove the last argument.
5417 * rtl.h: Remove the prototype for reg_scan_update.
5419 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5421 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5422 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5423 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5424 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5425 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5426 loop-invariant.c, omp-low.c, opts.c, passes.c,
5427 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5428 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5429 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5430 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5431 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5432 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5434 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5436 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5437 * dwarf2out.h: Remove the prototype for
5438 dwarf2out_add_library_unit_info.
5440 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5442 * tree.c (add_var_to_bind_expr): Remove.
5443 * tree.h: Remove the prototype for add_var_to_bind_expr.
5445 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5447 * regclass.c (n_non_fixed_regs): Remove.
5448 (init_reg_sets_1, globalize_reg): Remove all uses of
5450 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5452 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5454 * rtlanal.c (insns_safe_to_move_p): Remove.
5455 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5457 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5459 * expmed.c (expand_mult_add): Remove.
5460 * expr.h: Remove the prototype for expand_mult_add.
5462 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5464 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5465 and REG_SAVED_VAL_EXP constants.
5466 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5467 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5468 Handle regs stored by value.
5469 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5470 (execute_cfa_program): Handle DW_CFA_val_offset,
5471 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5472 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5473 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5474 (uw_install_context_1): Handle target regs stored by value.
5476 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5478 * tree-sra.c (tree_sra): Return todoflags;
5479 (generate_one_element): Set TODO_update_smt_usage if needed.
5480 (pass_sra): Remove TODO_update_smt_usage.
5481 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5483 (tree_ssa_forward_propagate_single_use_vars): Return
5484 TODO_update_smt_usage if we need to update SMT usage.
5485 (pass_forwprop): Remove TODO_update_smt_usage.
5487 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5489 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5490 (correct_use_link): Remove reference to get_stmt_operands.
5491 (update_stmt_operands): Likewise.
5492 (get_modify_expr_operands): New function factored out of
5493 parse_ssa_operands and get_expr_operands.
5494 Try to create V_MUST_DEFs for LHS by default.
5495 (get_expr_operands) <case MODIFY_EXPR>: Call
5496 get_modify_expr_operands.
5497 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5498 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5499 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5500 get_modify_expr_operands.
5502 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5504 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5505 * tree-flow.h: Remove the prototype for
5506 referenced_var_lookup_if_exists.
5508 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5510 PR rtl-optimization/26345
5512 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5514 2006-03-03 Roger Sayle <roger@eyesopen.com>
5516 PR tree-optimization/26524
5517 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5518 fold_convert to create a constant of the appropriate type.
5520 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5522 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5523 SYMBOL_REF_IN_BLOCK_P.
5524 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5525 of SYMBOL_FLAG_IN_BLOCK.
5526 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5527 instead of SYMBOL_REF_IN_BLOCK_P.
5528 * explow.c (use_anchored_address): Likewise.
5529 * rtl.c (rtx_size): Likewise.
5530 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5531 instead of SYMBOL_FLAG_IN_BLOCK.
5532 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5533 SYMBOL_REF_IN_BLOCK_P.
5534 (assemble_variable): Likewise.
5535 (output_constant_def_contents): Likewise.
5536 (output_constant_pool): Likewise.
5537 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5538 instead of SYMBOL_FLAG_IN_BLOCK.
5539 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5540 SYMBOL_REF_IN_BLOCK_P.
5541 (SYMBOL_REF_BLOCK): Likewise.
5542 (SYMBOL_REF_OFFSET): Likewise.
5543 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5544 SYMBOL_REF_IN_BLOCK_P.
5545 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5546 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5547 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5548 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5550 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5552 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5554 2006-03-02 Roger Sayle <roger@eyesopen.com>
5556 * simplify-rtx.c (simplify_unary_operation): When simplifying
5557 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5558 that we perform the right shift in the appropriate mode, and
5559 then extend or truncate the result to requested mode.
5561 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5563 * gengtype.c (main): Handle double_int type.
5564 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5565 * double-int.c: New file.
5566 * double-int.h: New file.
5567 * system.h: Include doubleint.h.
5568 * Makefile.in (SYSTEM_H): Include double-int.h.
5569 (double-int.o): Add.
5571 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5574 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5577 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5579 * tree-vrp.c (remove_range_assertions): Do not update statements
5582 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5584 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5586 * gcse.c (rest_of_handle_gcse): Ditto.
5587 * except.c (gate_handle_eh): Ditto.
5588 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5589 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5591 2006-03-02 Eric Christopher <echristo@apple.com>
5593 * config/i386/i386.c (machopic_output_stub): Add indirection to
5596 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5600 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5602 Sun Niagara specific optimizations.
5603 * config.gcc: Recognize niagara as target.
5604 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5605 (TARGET_CPU_niagara): Define.
5606 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5607 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5608 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5609 (ASM_CPU_SPEC): Likewise.
5610 (PROCESSOR_NIAGARA): New enum entry.
5611 (REGISTER_MOVE_COST): Handle Niagara.
5612 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5613 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5614 (sparc_override_options): Recognize "niagara", set appropriate
5615 default MASK_* values for it, and align functions to 32-bytes
5616 by default just like ULTRASPARC/ULTRASPARC3.
5617 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5618 (sparc64_initialize_trampoline): Likewise.
5619 (sparc_use_sched_lookahead): Use zero for niagara.
5620 (sparc_issue_rate): Use one for niagara.
5621 * config/sparc/niagara.md: New file.
5622 * config/sparc/sparc.md: Include it.
5623 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5624 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5625 when default cpu is niagara.
5626 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5627 (ASM_CPU_SPEC): Likewise.
5628 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5629 when default cpu is niagara.
5630 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5631 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5632 just like v9/ultrasparc/ultrasparc3.
5633 * doc/invoke.texi: Add documentation for "niagara" and improve
5634 existing documentation for ultrasparc variants.
5636 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5638 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5640 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5642 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5643 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5644 and say that only one is needed.
5645 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5646 * target.h (have_switchable_bss_sections): New hook.
5647 * explow.c (use_anchored_address): Check that the symbol is in a block.
5648 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5649 (bss_noswitch_section): New variables.
5650 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5651 (get_noswitch_section): New function.
5652 (get_block_for_section): Allow SECT to be null.
5653 (unlikely_text_section_p): Use SECTION_STYLE.
5654 (bss_initializer_p): New function.
5655 (get_variable_section): Move earlier in file. Take a new argument,
5656 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5657 Return one of the new *_sections in such cases.
5658 (get_block_for_decl): New function, extracting some logic from
5659 use_blocks_for_decl_p.
5660 (change_symbol_section): Remove in favor of...
5661 (change_symbol_block): ...this new function.
5662 (use_blocks_for_decl_p): Remove checks now performed by
5664 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5665 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5666 (emit_local, emit_bss, emit_common): ...these new functions.
5667 Return true if the alignment was honored.
5668 (emit_tls_common): New function.
5669 (asm_emit_uninitialised): Delete.
5670 (assemble_variable_noswitch): New function, split out from...
5671 (assemble_variable): ...here. Don't make decisions about common
5672 variables here. Globalize all public decls that go into non-common
5673 sections. Check whether SYMBOL_REF_BLOCK is null.
5674 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5675 (output_constant_pool): Likewise.
5676 (init_varasm_once): Initialize the new section variables.
5677 (have_global_bss_p): New function.
5678 (categorize_decl_for_section): Use bss_initializer_p.
5679 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5680 (place_block_symbol): Assert that the symbol must be in a block.
5681 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5682 (TARGET_INITIALIZER): Include it.
5683 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5684 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5685 (SECTION_MACH_DEP): Bump by two.
5686 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5687 (unnamed_section): Mention SECTION_UNNAMED in comment.
5688 (named_section): Likewise SECTION_NAMED.
5689 (noswitch_section_callback): New type.
5690 (noswitch_section): New structure.
5691 (section): Add a noswitch_section alternative.
5692 (SECTION_STYLE): New macro.
5693 (tls_comm_section, comm_section, lcomm_section): Declare.
5694 (bss_noswitch_section, have_global_bss_p): Declare.
5695 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5696 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5698 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5699 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5702 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5704 * tree-vrp.c (execute_vrp): Return value.
5705 * regrename.c (rest_of_handle_regrename): Ditto.
5706 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5707 * tree-complex.c (tree_lower_complex): Ditto.
5708 (tree_lower_complex_O0): Ditto.
5709 * tracer.c (rest_of_handle_tracer): Ditto.
5710 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5711 * postreload.c (rest_of_handle_postreload): Ditto.
5712 * tree-tailcall.c (execute_tail_recursion): Ditto.
5713 (execute_tail_calls): Ditto.
5714 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5715 * tree.h (init_function_for_compilation): Ditto.
5716 * ipa-cp.c (ipcp_driver): Ditto.
5717 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5718 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5719 * final.c (compute_alignments): Ditto.
5720 (rest_of_handle_final): Ditto.
5721 (rest_of_handle_shorten_branches): Ditto.
5722 (rest_of_clean_state): Ditto.
5723 * omp-low.c (execute_expand_omp): Ditto.
5724 (execute_lower_omp): Ditto.
5725 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5726 * ipa-reference.c (static_execute): Ditto.
5727 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5728 * reorg.c (rest_of_handle_delay_slots): Ditto.
5729 (rest_of_handle_machine_reorg): Ditto.
5730 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5731 * flow.c (recompute_reg_usage): Ditto.
5732 (rest_of_handle_remove_death_notes): Ditto.
5733 (rest_of_handle_life): Ditto.
5734 (rest_of_handle_flow2): Ditto.
5735 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5736 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5737 (do_ssa_store_ccp): Ditto.
5738 (execute_fold_all_builtins): Ditto.
5739 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5740 * modulo-sched.c (rest_of_handle_sms): Ditto.
5741 * ipa-pure-const.c (static_execute): Ditto.
5742 * cse.c (rest_of_handle_cse): Ditto.
5743 (rest_of_handle_cse2): Ditto.
5744 * web.c (rest_of_handle_web): Ditto.
5745 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5746 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5747 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5748 * tree-nrv.c (tree_nrv): Ditto.
5749 (execute_return_slot_opt): Ditto.
5750 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5751 (create_structure_vars): Ditto.
5752 * loop-init.c (rtl_loop_init): Ditto.
5753 (rtl_loop_done): Ditto.
5754 (rtl_move_loop_invariants): Ditto.
5755 (rtl_unswitch): Ditto.
5756 (rtl_unroll_and_peel_loops): Ditto.
5757 (rtl_doloop): Ditto.
5758 * gimple-low.c (lower_function_body): Ditto.
5759 (mark_used_blocks): Ditto.
5760 * tree-ssa-sink.c (execute_sink_code): Ditto.
5761 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5762 (cgraph_early_inlining): Ditto.
5763 * global.c (rest_of_handle_global_alloc): Ditto.
5764 * jump.c (cleanup_barriers): Ditto.
5765 (purge_line_number_notes): Ditto.
5766 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5767 (rest_of_handle_if_after_reload): Ditto.
5768 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5769 (tree_ssa_loop_im): Ditto.
5770 (tree_ssa_loop_unswitch): Ditto.
5771 (tree_vectorize): Ditto.
5772 (tree_linear_transform): Ditto.
5773 (tree_ssa_loop_ivcanon): Ditto.
5774 (tree_ssa_empty_loop): Ditto.
5775 (tree_ssa_loop_bounds): Ditto.
5776 (tree_complete_unroll): Ditto.
5777 (tree_ssa_loop_prefetch): Ditto.
5778 (tree_ssa_loop_ivopts): Ditto.
5779 (tree_ssa_loop_done): Ditto.
5780 * predict.c (tree_estimate_probability): Ditto.
5781 * recog.c (split_all_insns_noflow): Ditto.
5782 (rest_of_handle_peephole2): Ditto.
5783 (rest_of_handle_split_all_insns): Ditto.
5784 * tree-eh.c (lower_eh_constructs): Ditto.
5785 * regmove.c (rest_of_handle_regmove): Ditto.
5786 (rest_of_handle_stack_adjustments): Ditto.
5787 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5788 * function.c (instantiate_virtual_regs): Ditto.
5789 (init_function_for_compilation): Ditto.
5790 (rest_of_handle_check_leaf_regs): Ditto.
5791 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5792 (rest_of_handle_gcse): Ditto.
5793 * ipa-type-escape.c (type_escape_execute): Ditto.
5794 * alias.c (rest_of_handle_cfg): Ditto.
5795 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5796 * profile.c (rest_of_handle_branch_prob): Ditto.
5797 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5798 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5799 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5800 * tree-dfa.c (find_referenced_vars): Ditto.
5801 * except.c (set_nothrow_function_flags): Ditto.
5802 (convert_to_eh_region_ranges): Ditto.
5803 (rest_of_handle_eh): Ditto.
5804 * emit-rtl.c (unshare_all_rtl): Ditto.
5805 (remove_unnecessary_notes): Ditto.
5806 * except.h (set_nothrow_function_flags): Ditto.
5807 (convert_to_eh_region_ranges): Ditto.
5808 * cfgexpand.c (tree_expand_cfg): Ditto.
5809 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5810 * tree-ssa-pre.c (do_pre): Ditto.
5811 (execute_fre): Ditto.
5812 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5813 (rest_of_handle_jump2): Ditto.
5814 * tree-sra.c (tree_sra): Ditto.
5815 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5816 (execute_mudflap_function_decls): Ditto.
5817 * tree-ssa-copy.c (do_copy_prop): Ditto.
5818 (do_store_copy_prop): Ditto.
5819 * ipa-prop.h (ipcp_driver): Ditto.
5820 * cfglayout.c (insn_locators_initialize): Ditto.
5821 * tree-ssa-forwprop.c
5822 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5823 * cfglayout.h (insn_locators_initialize): Ditto.
5824 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5825 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5826 (execute_late_warn_uninitialized): Ditto.
5827 * rtl.h (cleanup_barriers): Ditto.
5828 (split_all_insns_noflow): Ditto.
5829 (purge_line_number_notes): Ditto.
5830 (unshare_all_rtl): Ditto.
5831 (remove_unnecessary_notes): Ditto.
5832 (recompute_reg_usage): Ditto.
5833 (variable_tracking_main): Ditto.
5834 * integrate.c (emit_initial_value_sets): Ditto.
5835 * integrate.h (emit_initial_value_sets): Ditto.
5836 * tree-optimize.c (execute_free_datastructures): Ditto
5837 (execute_free_cfg_annotations): Ditto.
5838 (execute_fixup_cfg): Ditto.
5839 (execute_cleanup_cfg_pre_ipa): Ditto.
5840 (execute_cleanup_cfg_post_optimizing): Ditto.
5841 (execute_init_datastructures): Ditto.
5842 * tree-object-size.c (compute_object_sizes): Ditto.
5843 * combine.c (rest_of_handle_combine): Ditto.
5844 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5845 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5846 (rest_of_handle_reorder_blocks): Ditto.
5847 (rest_of_handle_partition_blocks): Ditto.
5848 * var-tracking.c (variable_tracking_main): Ditto.
5849 * tree-profile.c (tree_profiling): Ditto.
5850 * tree-vect-generic.c (expand_vector_operations): Ditto.
5851 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5852 * sched-rgn.c (rest_of_handle_sched): Ditto.
5853 (rest_of_handle_sched2): Ditto.
5854 * basic-block.h (free_bb_insn): Ditto.
5855 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5856 * tree-cfg.c (execute_build_cfg): Ditto.
5857 (remove_useless_stmts): Ditto.
5858 (split_critical_edges): Ditto.
5859 (execute_warn_function_return): Ditto.
5860 (execute_warn_function_noreturn): Ditto.
5861 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5862 * cfgrtl.c (free_bb_for_insn): Ditto.
5863 * passes.c (execute_one_pass): Run additional
5864 todos returned by execute function.
5865 * tree-pass.h (struct tree_opt_pass): Make execute
5868 2006-03-02 Richard Guenther <rguenther@suse.de>
5870 * tree-ssa-alias.c (find_used_portions): Consider taking
5871 the address as making the variable not write-only.
5873 2006-03-02 Nick Clifton <nickc@redhat.com>
5875 * config.gcc (default_use_cxa_atexit): Extend the description of
5876 this configure variable. Set its default value to "yes" for
5877 Linux, NetBSD and ELF targets on the assumption that they will
5878 use C libraries with the __cxa_atexit function.
5880 2006-03-02 Ben Elliston <bje@au.ibm.com>
5882 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5883 parameter as unused to suppress a build warning.
5885 2006-03-02 Ben Elliston <bje@au.ibm.com>
5887 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5890 2006-03-01 Roger Sayle <roger@eyesopen.com>
5893 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5894 declared name, the weak reference name, and the typeof name.
5895 (__gthrw): Avoid expanding the declared name suffix.
5896 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5898 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5900 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5902 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5903 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5904 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5905 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5906 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5907 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5908 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5909 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5910 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5911 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5912 (DW_END_default, DW_END_big, DW_END_little): New.
5913 (DW_END_lo_user, DW_END_hi_user): Define.
5914 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5915 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5916 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5919 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5921 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5923 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5925 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5927 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5929 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5930 to 'symbol_mem_tag'.
5932 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5935 2006-03-01 Roger Sayle <roger@eyesopen.com>
5937 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5939 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5942 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5943 MACHO_DYNAMIC_NO_PIC_P.
5944 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5946 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5949 * config/darwin-protos.h (darwin_asm_output_anchor):
5951 * config/darwin-sections.def (cstring_section):
5952 Add SECTION_MERGE to the flags.
5953 (literal4_section): Likewise.
5954 (literal8_section): Likewise.
5955 (objc_selector_refs_section): Likewise.
5956 (objc_cls_refs_section): Likewise.
5957 * config/darwin.c (darwin_asm_output_anchor): New
5959 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5961 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5963 Fix PR tree-optimization/26443
5964 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5965 to todo and PROP_tmt_usage to properties_destroyed.
5966 * tree-ssa-ccp.c (pass_ccp): Ditto.
5967 (pass_store_ccp): Ditto.
5968 * tree-ssa-dom.c (pass_dominator): Ditto.
5970 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5972 * tree-ssa-operands.c: Cleanup whitespace.
5973 (get_asm_expr_operands): Move before first invocation.
5974 (get_indirect_ref_operands): Likewise.
5975 (get_tmr_operands): Likewise.
5976 (get_call_expr_operands): Likewise.
5977 (append_def): Likewise.
5978 (append_use): Likewise.
5979 (append_v_may_def): Likewise.
5980 (append_v_must_def): Likewise.
5981 (add_call_clobber_ops): Likewise.
5982 (add_call_read_ops): Likewise.
5983 (add_stmt_operand): Likewise.
5984 (add_virtual_operand): Likewise.
5985 (build_ssa_operands): Likewise.
5987 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5992 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5993 with a call expr to ...
5994 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5996 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5998 * tree-vrp.c (extract_range_from_assert): Remove special
5999 handling for types with super-types.
6001 2006-03-01 Ben Elliston <bje@au.ibm.com>
6003 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6004 and powerpc64-*-linux* configurations.
6005 * config/t-dfprules: New file.
6007 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6008 Compile dfp-bit.c from the source directory using -DWIDTH and
6009 $DFP_CFLAGS to control the compilation of that file, rather than
6010 generating width-specific versions in the build directory.
6011 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6012 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6014 2006-02-28 Zack Weinberg <zackw@panix.com>
6016 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6019 2006-02-28 Eric Christopher <echristo@apple.com>
6021 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6022 Set up IN_LIBGCC definition of TARGET_64BIT.
6023 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6025 2006-02-28 Roger Sayle <roger@eyesopen.com>
6028 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6029 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6030 cases via the construction of "expr != 0".
6032 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6034 * alias.c (alias_invariant, alias_invariant_size): Remove.
6035 (record_base_value): Remove.
6036 (memrefs_conflict_p): Don't look at alias_invariant.
6037 (end_alias_analysis): Don't free it.
6038 * alias.h (record_base_value): Remove prototype.
6040 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6041 Adam Nemet <anemet@caviumnetworks.com>
6043 * rtl.h (truncated_to_mode): Declare it.
6044 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6045 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6046 (RTL_HOOKS_INITIALIZER): Include it.
6047 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6048 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6049 reg_truncated_to_mode.
6050 * rtlanal.c (truncated_to_mode): Define it.
6051 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6053 2006-02-28 Jeff Law <law@redhat.com>
6055 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6056 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6057 the range allowed by TYPE_PRECISION.
6059 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6061 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6063 PR tree-optimization/26419
6064 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6067 2006-02-27 Zack Weinberg <zackw@panix.com>
6069 * doc/md.texi: Fix typo in previous change.
6071 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6075 2006-02-27 Zack Weinberg <zackw@panix.com>
6077 * rtl.def (define_constraint, define_register_constraint)
6078 (define_memory_constraint, define_address_constraint): New MD forms.
6079 * gensupport.c (process_rtx): Put define_constraint etc on the
6081 * genpreds.c (process_define_predicate): Adjust comment. Validate
6082 the name, and call validate_exp to validate the expression.
6083 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6084 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6085 all callers changed.
6086 (validate_exp, needs_variable, struct constraint_data)
6087 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6088 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6089 (const_dbl_constraints, constraint_max_namelen)
6090 (have_register_constraints, have_memory_constraints)
6091 (have_address_constraints, have_address_constraints)
6092 (have_extra_constraints, have_const_int_constraints)
6093 (have_const_dbl_constraints, mangle, add_constraint)
6094 (process_define_constraint, process_define_register_constraint)
6095 (write_enum_constraint_num, write_lookup_constraint)
6096 (write_insn_constraint_len, write_regclass_for_constraint)
6097 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6098 (write_insn_extra_memory_constraint)
6099 (write_insn_extra_address_constraint)
6100 (write_satisfies_constraint_fns): New.
6101 (write_tm_preds_h): If we have new-style constraint definitions,
6102 prototype the functions generated from them, and define the
6103 old constraint interface (still used by generic code) in terms of
6105 (write_insn_preds_c): If we have new-style constraint definitions,
6106 generate all relevant functions from those definitions.
6107 (main): Handle define_constraint etc.
6108 * genoutput.c (struct constraint_data, indep_constraints)
6109 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6110 (mdep_constraint_len): New data structures and functions, defined
6111 #ifdef USE_MD_CONSTRAINTS.
6112 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6113 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6114 use new logic to validate operand constraints against constraint
6116 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6118 * defaults.h: If none of the old-style constraint macros are
6119 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6120 old-style macros; and poison REG_CLASS_FROM_LETTER,
6121 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6123 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6124 * doc/md.texi: Document new constraint-definition mechanism and the
6125 C interface it provides. Remove references to old mechanism
6126 elsewhere in the document.
6127 (Machine Constraints): Use pathnames relative to gcc directory,
6128 i.e. config/ARCH/FILE. Change i386 section to refer to
6129 config/i386/predicates.md; update that section to match docstrings.
6130 * doc/tm.texi: Move all documentation of the old constraint-
6131 definition macros to their own section, clearly mark as obsolete.
6133 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6134 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6136 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6137 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6138 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6140 (splits and peepholes): Use satisfies_constraint_*.
6141 * config/i386/i386.c (memory_address_length)
6142 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6144 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6146 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6147 scalar operation to be put back into the loop.
6149 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6152 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6153 (extract_cie_info): Handle S flag in augmentation string.
6154 (execute_cfa_program): If context->signal_frame, execute also
6155 fs->pc == context->ra instructions.
6156 (uw_frame_state_for): If context->signal_frame, don't subtract one
6157 from context->ra to find FDE.
6158 (uw_update_context_1): Set context->signal_frame to
6160 (_Unwind_GetIPInfo): New function.
6161 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6162 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6164 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6165 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6166 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6167 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6168 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6169 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6170 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6171 x86_64_fallback_frame_state): Set fs->signal_frame.
6172 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6173 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6174 (frob_update_context): Likewise. Workaround missing S flag in
6175 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6176 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6177 Remove the psw_addr + 1 hack.
6179 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6181 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6182 with aggregates here.
6183 (find_func_aliases): Remove code for &<aggregate> from here.
6185 2006-02-26 Roger Sayle <roger@eyesopen.com>
6187 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6188 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6189 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6192 2006-02-26 Roger Sayle <roger@eyesopen.com>
6195 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6197 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6199 * opts.c (decode_options): Do not handle flag_strength_reduce.
6200 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6201 and OPT_fstrength_reduce.
6202 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6203 flag_prefetch_loop_arrays for being nonzero.
6204 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6206 (fprefetch-loop-arrays-rtl): Removed.
6207 (flag_prefetch_loop_arrays): Do not specify the value.
6209 * doc/passes.texi: Update documentation of loop optimizer
6211 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6212 -frerun-loop-opt): Remove.
6214 2006-02-26 Richard Guenther <rguenther@suse.de>
6216 PR tree-optimization/26421
6217 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6218 in function calls that are ADDR_EXPRs as using the whole structure.
6220 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6222 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6223 * tree-pass.h (pass_loop_optimize): Remove.
6224 * passes.c (pass_loop_optimize): Never run it.
6225 * toplev.c (backend_init): Don't call init_loop.
6226 * opts.c (flag_loop_optimize_set): Remove.
6227 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6228 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6229 the old RTL loop optimizer when profiling enabled.
6230 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6231 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6232 pre-headers for the sake of the old RTL loop optimizer.
6233 * Makefile.in: Remove all references to loop.o.
6235 * doc/invoke.texi: Remove all references to -floop-optimize
6236 and -frerun-loop-opt.
6238 2006-02-26 Zack Weinberg <zackw@panix.com>
6240 * doc/md.texi (Machine Constraints): Refer to all files with paths
6241 relative to gcc directory (i.e. config/CPU/file). Add missing
6242 @table @code ... @end table to M32C subsection.
6244 2006-02-26 Roger Sayle <roger@eyesopen.com>
6246 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6248 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6250 2006-02-26 Roger Sayle <roger@eyesopen.com>
6251 James A. Morrison <phython@gcc.gnu.org>
6254 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6255 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6256 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6257 signedness of the shift operation.
6259 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6261 PR tree-optimization/26359
6262 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6264 2006-02-25 Roger Sayle <roger@eyesopen.com>
6266 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6267 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6268 as X == 0, and some symmetry related transformations.
6269 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6271 2006-02-25 Roger Sayle <roger@eyesopen.com>
6274 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6275 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6276 symmetry related transformations. Fold (X^C1) == C2 as
6279 2006-02-25 Juergen Weigert <jw@suse.de>
6280 Richard Guenther <rguenther@suse.de>
6282 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6284 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6286 * combine.c (gen_lowpart_or_truncate): Call
6287 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6289 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6291 * doc/invoke.texi: Move -fopenmp description to "Options for
6293 Remove reference to -lgomp.
6295 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6297 * doc/install.texi: Require GNU tar version 1.14.
6299 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6301 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6302 * doc/invoke.texi (C++ Dialect Options): Document
6303 -fno-use-cxa-get-exception-ptr.
6304 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6305 * configure: Regenerate.
6306 * c.opt (fuse-cxa-get-exception-ptr): New.
6307 * c-opts.c (c_common_handle_option): Handle
6308 OPT_fuse_cxa_get_exception_ptr.
6309 * c-common.c (flag_use_cxa_atexit): Update documentation.
6310 (flag_use_cxa_get_exception_ptr): New.
6311 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6312 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6314 (C_COMMON_OVERRIDE_OPTIONS): New.
6316 2006-02-24 Roger Sayle <roger@eyesopen.com>
6319 * combine.c (try_combine): Explicitly check whether GET_CODE is
6320 a SET or a CLOBBER, instead on checking that it isn't a USE.
6322 2006-02-24 Roger Sayle <roger@eyesopen.com>
6324 * fold-const.c (fold_comparison): New subroutine of fold_binary
6325 containing transformations common to both the equality and
6326 ordering relational operators, factored out of fold_binary.
6327 (fold_binary): Separate out the equality operators (EQ_EXPR
6328 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6329 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6330 transformations common to both.
6331 (fold_div_compare): Fix latent bugs in the previously unreachable
6332 LT_EXPR and GE_EXPR cases.
6334 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6336 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6337 decl libname for clog to __clog on AIX.
6339 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6341 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6344 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6345 output traceback table for thunks. Localise rs6000_stack_info call.
6347 2006-02-23 Roger Sayle <roger@eyesopen.com>
6348 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6350 * gthr-posix.h (__gthrw): Fix typo in comment.
6352 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6354 * doc/cpp.texi (Character sets): Document that we do support
6355 input files to be in any character set.
6357 2006-02-23 Jeff Law <law@redhat.com>
6359 * tree.h (PHI_ARG_NONZERO): Remove.
6360 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6361 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6362 node to the new node.
6364 PR tree-optimization/26425
6365 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6366 min/max, then assume its varying.
6368 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6370 PR rtl-optimization/26316
6371 * rtlanal.c (enum may_trap_p_flags): New.
6372 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6373 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6374 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6375 (may_trap_after_code_motion_p): New function.
6376 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6377 (find_invariant_insn): Use may_trap_after_code_motion_p.
6378 * rtl.h (may_trap_after_code_motion_p): Declare.
6380 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6382 * emit-rtl.c (immed_double_const): Cleanup.
6384 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6386 Fix PR tree-optimization/26376
6387 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6390 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6393 * gimplify.c (omp_add_variable): Guard variable size decl test with
6394 DECL_SIZE (decl) check.
6396 2006-02-23 Richard Guenther <rguenther@suse.de>
6399 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6400 like aggregate types.
6402 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6404 * configure.ac: Add --with{,out}-long-double-128 configure option.
6405 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6406 * configure: Rebuilt.
6407 * config.in: Rebuilt.
6408 * doc/install.texi (Options specification): Document
6409 --with-long-double-128.
6411 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6412 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6413 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6414 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6416 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6418 * config/s390/s390.c (override_options): Handle
6419 TARGET_DEFAULT_LONG_DOUBLE_128.
6421 * config/alpha/alpha.c (override_options): Handle
6422 TARGET_DEFAULT_LONG_DOUBLE_128.
6424 * config/sparc/sparc.c (sparc_override_options): Handle
6425 TARGET_DEFAULT_LONG_DOUBLE_128.
6427 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6429 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6430 (real-install-headers-tar, real-install-headers-cpio)
6431 (real-install-headers-cp): New targets.
6433 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6435 * tree.h (variable_section): Delete.
6436 * varasm.c (variable_section): Delete.
6438 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6440 * install.texi: Add notes on install.texi2html.
6441 (Building in parallel): Do not use footnotes.
6443 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6446 * doc/install.texi (Configuration): Document --disable-libgomp.
6448 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6450 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6452 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6454 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6455 (vec_extractv2df_0_sse): New.
6457 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6459 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6460 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6461 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6462 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6463 to the result of the expression.
6464 (def_cfa_1): Adjust.
6465 (frame_pointer_cfa_offset): Rename to...
6466 (frame_pointer_fb_offset): ... this. Adjust all uses.
6467 (convert_cfa_to_loc_list): Rename to...
6468 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6469 Pass it on to build_cfa_loc.
6470 (compute_frame_pointer_to_cfa_displacement): Rename to...
6471 (compute_frame_pointer_to_fb_displacement): ... this. New
6472 offset parameter. Use it in computation.
6473 (gen_subprogram_die): Compute cfa_fb_offset with the new
6474 macro, and use it to compute the fb loc list and the
6477 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6479 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6480 replaced with register_operand.
6481 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6482 non-DREG is expensive.
6483 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6484 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6487 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6489 * doc/install.texi2html: Use set -e.
6491 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6493 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6494 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6495 * doc/invoke.texi (-fshared-data): Delete.
6496 * common.opt (fshared-data): Delete.
6497 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6498 (assemble_static_space): Remove #if 0 code.
6499 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6500 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6501 * config/cris/cris.h: Remove FIXME.
6503 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6505 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6508 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6511 * combine.c (simplify_shift_const_1): Disable nested shifts
6512 optimization for vector shifts.
6514 2006-02-20 Roger Sayle <roger@eyesopen.com>
6516 PR tree-optimization/26361
6517 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6518 of unsigned integer types.
6520 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6522 * tree-chrec.c (eq_evolutions_p): New.
6523 * tree-chrec.h (eq_evolutions_p): Declared.
6524 * tree-data-ref.c: Fix formatting.
6525 (datadep_stats, dependence_stats): New.
6527 (print_direction_vector): New.
6528 (dump_data_dependence_relation): Use print_direction_vector.
6529 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6530 (compute_subscript_distance): Static.
6531 (initialize_data_dependence_relation): Static. Get the number
6532 of loops surrounding the references from the callers, and initialize
6533 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6534 base_object_differ_p analyzers.
6535 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6536 compute_overlap_steps_for_affine_1_2,
6537 analyze_subscript_affine_affine): Count the classified dependences.
6538 Print a message when a test failed.
6539 (can_use_analyze_subscript_affine_affine): New.
6540 (analyze_siv_subscript): Compute the data dependences on symbolic
6541 scevs that verify can_use_analyze_subscript_affine_affine.
6542 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6543 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6544 Handle symbolic scevs.
6545 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6547 (subscript_dependence_tester): Moved...
6548 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6549 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6550 DDR_SIZE_VECT instead of getting it in parameter.
6551 (subscript_dependence_tester): ... here. Take as a parameter
6552 loop_nest_depth. Call build_classic_dist_vector and
6553 build_classic_dir_vector.
6554 (compute_affine_dependence): Update subscript_dependence_tester
6555 parameters. Update datadep_stats counters. Call
6556 compute_subscript_distance.
6557 (compute_self_dependence): Save the dist and dir vectors. Call
6558 compute_subscript_distance.
6559 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6560 (compute_all_dependences): Reorder parameters as they were before
6561 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6562 compute_subscript_distance. Update the use of
6563 compute_affine_dependence and initialize_data_dependence_relation.
6564 (find_data_references_in_loop): Handle COMPONENT_REF.
6565 (compute_data_dependences_for_loop): Initialize dependence_stats.
6566 Don't call build_classic_dist_vector and build_classic_dir_vector.
6567 Update the parameters of initialize_data_dependence_relation and
6568 compute_all_dependences. Print the statistics from datadep_stats.
6569 (analyze_all_data_dependences): Static. Not used until the pass for
6570 checking the data dependences is contributed.
6571 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6572 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6573 (initialize_data_dependence_relation, compute_affine_dependence,
6574 analyze_all_data_dependences, compute_subscript_distance): Removed.
6575 (print_direction_vector): New.
6576 * lambda.h (gcd): ... here.
6577 (lambda_vector_gcd): Moved here from gcd_vector.
6578 * lambda-code.c (gcd, gcd_vector): Removed.
6579 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6580 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6582 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6584 * ipa-type-escape.c: Tidy some comments and white space.
6585 * tree-ssa-operands.c: Likewise.
6587 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6590 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6591 (dump_decl_name): Do not walk the decl tree chains.
6592 * tree-pass.h (TDF_CHAIN): Remove.
6594 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6596 * Makefile.in (C): Remove
6598 (.PHONY): Remove C and PROTO
6600 2006-02-20 Roger Sayle <roger@eyesopen.com>
6603 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6604 deprecated CHAR_TYPE tree code.
6606 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6608 * configure.ac (target_list): Add install-info, dvi, html.
6609 * configure: Regenerate.
6611 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6612 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6613 treelang/Make-lang.in: Do not use double-colon rules.
6615 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6617 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6618 (TMT_USED_ALONE): New macro.
6619 * tree-pass.h (PROP_tmt_usage): New property.
6620 (TODO_update_tmt_usage): New todo.
6621 * tree-ssa-alias.c (updating_used_alone): New variable.
6622 (recalculate_used_alone): New function.
6623 (compute_may_aliases): Set updating_used_alone, call
6624 recalculate_used_alone.
6625 * tree-sra.c (pass_sra): Note that this pass destroys
6626 PROP_tmt_usage, and add TODO_update_tmt_usage.
6627 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6628 * tree-flow.h (updating_used_alone): Prototype.
6629 (recalculate_used_alone): Ditto.
6630 * passes.c (execute_todo): Add code to set updating_used_alone,
6631 and call recalculate.
6632 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6633 for clobber if used alone, and add assert to verify used_alone
6636 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6638 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6639 for non tls symbols added.
6640 (legitimize_address): Do nothing for PLUS expressions if one of the
6641 addends is a tls symbol reference.
6643 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6647 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6649 * Makefile.in (BOOTSTRAPPING): New.
6650 (quickstrap): New definition if BOOTSTRAPPING=yes.
6652 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6653 * configure.ac: Substitute all_selected_languages with the languages
6654 that were configured. For all the other variables except
6655 lang_specs_files, include all the languages in the tree.
6656 * configure: Regenerate.
6658 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6659 if there is one. Run the commands to run fixincludes in the same
6662 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6663 * doc/install.texi: Document exact conventions for searching target tools.
6664 Document --with-build-time-tools. Document toplevel bootstrap. Document
6665 something more about building an Ada cross-compiler. Don't list GNU Make
6666 requirements which affect all platforms.
6668 2006-02-19 Roger Sayle <roger@eyesopen.com>
6671 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6672 only equivalent if the have both the same mode and precision.
6674 2006-02-20 Ben Elliston <bje@au.ibm.com>
6676 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6678 2006-02-19 Roger Sayle <roger@eyesopen.com>
6679 Steven Bosscher <stevenb.gcc@gmail.com>
6681 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6682 constant pool references to identify stack mode constants.
6683 * rtlanal.c (constant_pool_constant_p): New predicate to check
6684 whether operand is a floating point constant in the pool.
6685 * rtl.h (constant_pool_constant_p): Prototype here.
6686 * loop.c (scan_loop): Avoid hoisting constants from the constant
6687 pool on STACK_REGS targets.
6688 (load_mems): Likewise.
6689 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6690 loads into x87 registers expensive in terms of register pressure.
6692 2006-02-19 Roger Sayle <roger@eyesopen.com>
6694 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6695 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6697 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6699 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6700 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6702 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6704 * doc/invoke.texi: Document -fipa-pta.
6705 * common.opt: Add ipa-pta option.
6706 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6707 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6708 (do_ds_constraint): Ditto.
6709 (get_constraint_for): Only add to referenced_vars if
6710 referenced_vars exists.
6711 (insert_into_field_list): Rewrite to do this unsorted.
6712 (insert_into_field_list_sorted): Rename old insert_into_field_list
6714 (create_function_info_for): Use insert_into_field_list_sorted.
6715 (create_variable_info_for): Rewrite so it uses unsorted version,
6716 since the field list is sorted.
6717 (intra_create_variable_infos): Only add to referenced_vars if
6718 referenced_vars exists.
6719 (ipa_pta_execute): Init heapvars, and delete when done.
6720 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6722 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6724 * doc/install.texi: Add missing `@samp'.
6726 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6728 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6731 2006-02-18 Mark Wielaard <mark@klomp.org>
6733 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6734 who added new 4.1 features, bug fixes and integration support.
6736 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6739 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6742 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6744 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6745 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6746 (copy_insn_1): Likewise. Don't copy each field individually.
6748 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6750 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6751 * rtl.c (rtx_size): Rename variable to...
6752 (rtx_code_size): ...this.
6753 (rtx_size): New function.
6754 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6755 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6757 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6758 * rtl.h (rtx_code_size): New variable.
6759 (rtx_size): Change from a variable to a function.
6760 (RTX_SIZE): Rename to...
6761 (RTX_CODE_SIZE): ...this.
6764 PR tree-optimization/17106
6765 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6766 (Anchored Addresses): New section.
6767 * doc/invoke.texi (-fsection-anchors): Document.
6768 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6769 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6770 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6771 * hooks.c (hook_bool_mode_rtx_false): New function.
6772 * hooks.h (hook_bool_mode_rtx_false): Declare.
6773 * gengtype.c (create_optional_field): New function.
6774 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6775 SYMBOL_REF_IN_BLOCK_P is true.
6776 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6777 (min_anchor_offset, max_anchor_offset): Likewise.
6778 (use_anchors_for_symbol_p): New hook.
6779 * toplev.c (compile_file): Call output_object_blocks.
6780 (target_supports_section_anchors_p): New function.
6781 (process_options): Check that -fsection-anchors is only used on
6782 targets that support it and when -funit-at-a-time is in effect.
6783 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6784 if the decl doesn't have one.
6785 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6786 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6787 of force_const_mem through use_anchored_address.
6788 (expand_expr_constant): New function.
6789 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6790 calling expand_expr for INDIRECT_REF.
6791 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6792 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6793 * expr.h (use_anchored_address): Declare.
6794 * loop-unroll.c: Don't declare rtx vectors here.
6795 * explow.c: Include output.h.
6796 (validize_mem): Call use_anchored_address.
6797 (use_anchored_address): New function.
6798 * common.opt (-fsection-anchors): New switch.
6799 * varasm.c (object_block_htab, anchor_labelno): New variables.
6800 (hash_section, object_block_entry_eq, object_block_entry_hash)
6801 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6802 (use_blocks_for_decl_p, change_symbol_section): New functions.
6803 (get_variable_section): New function, split out from assemble_variable.
6804 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6805 use_blocks_for_decl_p say so. Use change_symbol_section if the
6806 symbol has already been created.
6807 (assemble_variable_contents): New function, split out from...
6808 (assemble_variable): ...here. Don't output any code for
6809 block symbols; just pass them to place_block_symbol.
6810 Use get_variable_section and assemble_variable_contents.
6811 (get_constant_alignment, get_constant_section, get_constant_size): New
6812 functions, split from output_constant_def_contents.
6813 (build_constant_desc): Create a block symbol if use_object_blocks_p
6814 says so. Or into SYMBOL_REF_FLAGS.
6815 (assemble_constant_contents): New function, split from...
6816 (output_constant_def_contents): ...here. Don't output any code
6817 for block symbols; just pass them to place_section_symbol.
6818 Use get_constant_section and get_constant_alignment.
6819 (force_const_mem): Create a block symbol if use_object_blocks_p and
6820 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6821 (output_constant_pool_1): Add an explicit alignment argument.
6822 Don't switch sections here.
6823 (output_constant_pool): Adjust call to output_constant_pool_1.
6824 Switch sections here instead. Don't output anything for block symbols;
6825 just pass them to place_block_symbol.
6826 (init_varasm_once): Initialize object_block_htab.
6827 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6828 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6829 (place_block_symbol, get_section_anchor, output_object_block)
6830 (output_object_block_htab, output_object_blocks): New functions.
6831 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6832 (TARGET_ASM_OUT): Include it.
6833 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6834 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6835 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6836 (TARGET_INITIALIZER): Include them.
6837 * rtl.c (rtl_check_failed_block_symbol): New function.
6838 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6839 (block_symbol, object_block): New structures.
6840 (rtx_def): Add a block_symbol field to the union.
6841 (BLOCK_SYMBOL_CHECK): New macro.
6842 (rtl_check_failed_block_symbol): Declare.
6843 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6844 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6845 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6846 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6847 * output.h (output_section_symbols): Declare.
6848 (object_block): Name structure.
6849 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6850 (default_use_anchors_for_symbol_p): Declare.
6851 * Makefile.in (RTL_BASE_H): Add vec.h.
6852 (explow.o): Depend on output.h.
6853 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6854 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6855 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6856 (rs6000_use_blocks_for_constant_p): New function.
6858 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6860 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6862 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6865 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6868 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6870 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6874 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6877 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6878 instead of DECL_REGISTER.
6880 2006-02-18 Olivier Hainque <hainque@adacore.com>
6883 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6885 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6888 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6889 * opth-gen.awk: Handle Var and InverseMask together.
6890 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6891 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6892 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6893 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6895 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6896 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6897 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6898 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6899 LINUX_DYNAMIC_LINKER): Define.
6900 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6901 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6903 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6904 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6905 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6906 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6907 (TARGET_C99_FUNCTIONS): Don't define.
6908 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6909 GLIBC_DYNAMIC_LINKER.
6910 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6911 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6912 GLIBC_DYNAMIC_LINKER64): Define.
6913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6914 LINUX_DYNAMIC_LINKER64.
6915 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6916 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6917 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6918 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6919 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6920 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6921 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6922 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6923 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6925 and LINUX_DYNAMIC_LINKER32.
6926 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6927 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6928 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6929 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6930 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6932 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6933 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6934 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6935 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6936 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6937 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6938 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6939 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6940 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6941 LINUX_DYNAMIC_LINKER): Define.
6942 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6943 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6944 GLIBC_DYNAMIC_LINKER64): Define.
6945 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6946 LINUX_DYNAMIC_LINKER64.
6947 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6948 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6949 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6950 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6951 LINUX_DYNAMIC_LINKER): Define.
6952 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6953 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6954 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6955 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6956 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6957 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6958 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6959 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6960 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6961 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6963 * doc/invoke.texi (-muclibc): Remove caveat about supported
6966 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6968 * doc/cpp.texi (__TIMESTAMP__): Document.
6970 2006-02-17 Roger Sayle <roger@eyesopen.com>
6973 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6974 C is one less than the width of X (and related transformations).
6975 * simplify-rtx.c (simplify_unary_operation_1): Transform
6976 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6977 depending on STORE_FLAG_VALUE, were C is one less then the
6980 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6982 Fix PR tree-optimization/26341
6983 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6984 about NAME_MEMORY_TAG's.
6986 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6989 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6990 with hardware float support, and software float support. Add fcpy
6991 alternative to hardware patterns. Add alternatives to copy between
6992 general and floating-point registers to the 32-bit pattern.
6993 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6994 secondary reload to load a QI or HI mode constant into a floating
6996 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6997 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6999 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7002 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7004 (load_macho_picbase_di): Likewise.
7006 2006-02-16 Jeff Law <law@redhat.com>
7008 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7009 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7010 (ssa_name_nonzero_p): Likewise.
7011 (get_value_range): Return NULL if VRP is not running.
7012 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7013 VRP routines do not discover a range.
7014 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7015 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7016 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7017 (tree_expr_nonnegative_p): Similarly.
7018 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7019 (restore_nonzero_vars_to_original_value): Remove.
7020 (unsafe_associative_fp_binop): Remove.
7021 (tree_ssa_dominator_optimize): Remove initialization and
7022 finalization of nonzero_vars and nonzero_vars_stack.
7023 (dom_opt_initialize_block): No longer push marker on
7025 (dom_opt_finalize_block): No longer call
7026 restore_nonzero_vars_to_original_value.
7027 (record_equivalences_from_phis): No longer look for
7028 nonzero PHI arguments.
7029 (cprop_into_successor_phis): No longer propagate nonzero
7030 property into PHI arguments. Lose unused argument. Caller
7032 (record_equivalences_from_stmt): No longer record nonzero
7033 values for SSA_NAMEs.
7034 (lookup_avail_expr): No longer use nonzero_vars.
7036 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7037 for sizetype when sizetype is unsigned.
7039 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7041 PR rtl-optimization/25603
7042 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7043 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7044 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7045 with new meaning of SETS.
7047 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7052 * config/linux.opt: New file.
7053 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7054 LINUX_DYNAMIC_LINKER): Define.
7055 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7056 * config.gcc (*-*-linux*): Define extra_options.
7057 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7058 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7059 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7060 GLIBC_DYNAMIC_LINKER.
7061 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7062 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7063 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7064 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7065 * doc/invoke.texi (GNU/Linux Options): New section.
7067 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7069 * config/sparc/sparc.md (setjmp): Rewrite.
7070 (setjmp_32): Delete.
7071 (setjmp_64): Likewise.
7073 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7075 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7078 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7080 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7083 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7085 PR rtl-optimization/26296
7086 * Makefile.in (loop-invariant.c): Add except.h dependency.
7087 * loop-invariant.c: Include except.h.
7088 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7090 2005-02-16 Paul Brook <paul@codesourcery.com>
7092 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7095 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7097 PR rtl-optimization/25636
7098 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7099 when deciding whether an insn is an initializing insn.
7101 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7103 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7104 (tree_code_size): Ditto.
7105 * tree.h (struct tree_memory_tag): Remove parent_var.
7106 (struct tree_struct_field_tag): New.
7109 (union tree_node): Add sft member.
7110 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7112 (create_sft): Add size and offset argument, set SFT_OFFSET and
7114 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7115 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7116 * tree-flow-inline.h (get_subvar_at): Update for
7117 SFT_OFFSET/SFT_SIZE.
7118 (var_can_have_subvars): Ditto.
7119 (overlap_subvar): Ditto.
7120 * print-tree.c (print_node): Print out interesting things for
7122 * tree-flow.h (struct subvar): Remove offset and size members.
7123 * tree-ssa-operands.c (get_expr_operands): Update for
7124 get_indirect_ref_operands changes.
7125 (get_indirect_ref_operands): Call add_virtual_operand instead of
7126 add_stmt_operand. Only recurse on base var if requested.
7127 (access_can_touch_variable): New function.
7128 (add_stmt_operand): Split virtual operand handling into ...
7129 (add_virtual_operand): Here. Add offset, size, and for_clobber
7130 arguments. Prune alias sets.
7131 (add_call_clobber_ops): Call add_virtual_operand.
7133 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7136 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7138 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7139 than TREE_CODE as index into omp_clause_num_ops array.
7141 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7143 PR rtl-optimization/26184
7144 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7146 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7147 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7148 must_precede, must_follow and tobe_scheduled.
7151 * opts.c (common_handle_option): Free new_option pointer.
7152 * df-core.c (df_analyze): Free postorder pointer.
7154 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7156 * Makefile.in: Fix the examples about the use of stamps
7158 2006-02-15 Michael Matz <matz@suse.de>
7162 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7163 influenced by maximum_field_alignment or DECL_PACKED.
7164 (update_alignment_for_field): Ditto.
7165 (place_field): Ditto.
7166 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7169 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7171 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7172 (debug_flow_info): Pass it.
7173 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7174 * bb-reorder.c (reorder_basic_blocks): Likewise.
7175 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7176 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7177 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7178 * gcse.c (gcse_main, bypass_jumps): Likewise.
7179 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7180 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7181 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7182 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7183 * rtl.h (dump_flow_info): Adjust prototype.
7184 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7185 * var-tracking.c (variable_tracking_main): Likewise.
7186 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7187 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7190 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7192 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7195 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7197 PR tree-optimization/26209
7198 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7199 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7201 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7203 2006-02-14 Roger Sayle <roger@eyesopen.com>
7206 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7207 (X,Y) and the corresponding symmetry related transformations.
7208 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7209 (X,Y) and its symmetry related transformations.
7211 2006-02-14 Roger Sayle <roger@eyesopen.com>
7213 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7216 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7218 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7220 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7223 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7224 support COMDAT group.
7225 * configure: Regenerate.
7227 2006-02-14 Roger Sayle <roger@eyesopen.com>
7232 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7234 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7236 Fix PR tree-optimization/26260
7238 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7240 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7241 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7242 * tree-ssa-structalias.c (create_variable_info_for): Use
7243 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7245 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7247 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7249 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7250 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7251 of the ending condition.
7252 * tree-ssa-loop-manip.c: Include params.h.
7253 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7254 tree_unroll_loop): New functions.
7255 * tree-pass.h (pass_loop_prefetch): Declare.
7256 * loop.c (rest_of_handle_loop_optimize): Test for
7257 -fprefetch-loop-arrays-rtl.
7258 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7259 * timevar.def (TV_TREE_PREFETCH): New timevar.
7260 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7261 pass_loop_prefetch): New.
7262 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7263 (cleanup_tree_cfg_loop): Call scev_reset.
7264 * common.opt (fprefetch-loop-arrays-rtl): Add.
7265 * tree-ssa-loop-prefetch.c: New file.
7266 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7267 (new_temp_expr_table): Initialize expr_vars.
7268 (free_temp_expr_table): Cleanup expr_vars.
7269 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7270 expressions from being merged into one.
7271 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7272 (struct tree_niter_desc): Add control, bound and cmp fields.
7273 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7275 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7276 (tree-cfgcleanup.o): Add SCEV_H dependency.
7277 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7278 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7280 2006-02-14 Richard Guenther <rguenther@suse.de>
7282 PR tree-optimization/26258
7283 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7284 in PHI argument processing.
7286 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7288 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7289 new expression in the requested machine mode.
7291 2006-02-13 Roger Sayle <roger@eyesopen.com>
7293 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7294 directly, instead let do_compare_rtx_and_jump handle this for us.
7295 * expr.c (expand_expr_real_1): Likewise.
7296 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7297 before do_jump_by_parts_greater.
7298 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7299 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7301 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7303 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7305 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7307 PR rtl-optimization/26235
7308 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7309 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7312 2006-02-13 Jeff Law <law@redhat.com>
7314 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7317 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7320 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7321 twice if decl is a builtin. When trying again, call get_callee_fndecl
7322 first to verify it is still a builtin.
7324 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7326 * dwarf2out.c (base_type_die): Don't add AT_name here.
7327 (subrange_type_die): Don't add AT_name here.
7328 (modified_type_die): Rearrange code flow. Do add AT_name here.
7330 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7332 PR rtl-optimization/26247
7333 PR rtl-optimization/26248
7334 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7336 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7338 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7339 * config/fixtfdi.c: Likewise.
7340 * config/fixunstfdi.c: Likewise.
7341 * config/floatditf.c: Likewise.
7343 2006-02-13 Roger Sayle <roger@eyesopen.com>
7346 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7347 into (X,C2) if C1 is a subset of the bits of C2. Transform
7348 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7350 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7352 2006-02-13 Josh Conner <jconner@apple.com>
7355 * varasm.c (function_section): Check for section name before
7356 calling select_section on targets that define
7357 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7358 unlikely_text_section instead of hot_function_section if
7359 first_function_block_is_cold.
7361 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7364 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7366 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7368 PR rtl-optimization/26222
7369 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7370 after tree->rtl expansion.
7371 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7372 before passing it to emit_move_insn.
7374 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7376 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7378 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7379 Clarify documentation.
7380 * c-common.h (warn_write_strings): Remove.
7381 * c-common.c (warn_write_strings): Likewise.
7382 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7385 2006-02-12 Roger Sayle <roger@eyesopen.com>
7388 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7389 (do_jump_parts_zero_rtx): New function renamed from
7390 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7391 (do_jump_parts_equality_rtx): New function split out from
7392 do_jump_parts_equality. Old implementation renamed as above.
7393 Call do_jump_parts_zero_rtx if either operand is zero.
7394 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7395 do all of the heavy lifting.
7396 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7397 calling either do_jump_by_parts_greater_rtx or
7398 do_jump_by_parts_equality_rtx.
7399 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7400 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7401 moved to do_compare_rtx_and_jump, call it directly.
7402 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7403 mode argument. Call do_compare_rtx_and_jump.
7404 (emit_case_nodes): Update calls to do_jump_if_equal.
7406 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7408 PR rtl-optimization/26225
7409 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7411 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7413 PR rtl-optimization/26232
7414 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7416 2006-02-11 Jason Merrill <jason@redhat.com>
7419 * tree-inline.c (declare_return_variable): Just don't use the
7420 modify target if it's a gimple complex reg and the return slot
7423 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7425 * doc/contrib.texi: Update my entry.
7427 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7429 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7431 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7433 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7436 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7438 * doc/invoke.texi (-floop-optimize2): Removed.
7439 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7440 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7441 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7442 * common.opt (floop-optimize2): Removed.
7443 (fmove-loop-invariants): Enabled by default.
7445 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7447 * tree-if-conv.c (combine_blocks): Free the result of
7448 get_loop_exit_edges.
7450 2006-02-10 Jeff Law <law@redhat.com>
7452 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7454 PR tree-optimization/26213
7455 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7456 loop trying to follow SSA_NAME_VALUE chains.
7458 2006-02-10 Richard Guenther <rguenther@suse.de>
7460 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7461 deal with structures that end in implicitly variable sized arrays.
7463 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7465 PR rtl-optimization/24762
7466 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7469 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7471 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7472 (struct ivopts_data): Add regs_used field.
7473 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7474 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7475 instead of loop_data->regs_used;
7476 (free_loop_data): Do not free aux fields for loops.
7477 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7478 and tree_ssa_iv_optimize_finalize.
7480 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7482 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7484 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7487 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7488 computing the effective result type.
7490 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7493 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7494 (tree_overlaps_hard_reg_set): Declare.
7495 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7496 type and signature to match function type expected by walk_tree.
7497 (tree_overlaps_hard_reg_set): New function.
7498 (decl_conflicts_with_clobbers_p): Rename to:
7499 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7500 Use tree_overlaps_hard_reg_set. Changed caller.
7501 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7502 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7503 * cris.c (cris_md_asm_clobbers): Likewise.
7505 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7507 * reload1.c (emit_input_reload_insns): Delete code that tries to
7508 inherit using find_equiv_reg.
7510 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7512 * c-common.h (flag_const_strings): Don't declare.
7513 * c-common.c (flag_const_strings): Remove.
7514 * c.opt (fconst_strings): Remove.
7515 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7516 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7517 (c_common_init_options): Don't set flag_const_strings.
7518 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7520 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7522 * arm.md (tlobits_cbranch): New pattern.
7523 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7524 testing a single bit.
7526 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7529 * tree-ssa-pre.c (create_component_ref_by_pieces):
7530 Handle RETURN_DECL like VAR_DECL.
7532 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7535 * fold-const.c (fold_indirect_ref_1): Fold
7536 "*(foo *)&complexfoo" to "__real__ complexfoo"
7537 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7539 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7541 * tree-flow-inline.h (var_can_have_subvars):
7542 Volatile variables should not have subvariables.
7544 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7547 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7548 multiplying unsigned values.
7551 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7553 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7555 2006-02-08 Jason Merrill <jason@redhat.com>
7558 * tree.def: Elaborate on difference from MODIFY_EXPR.
7559 * doc/c-tree.texi (INIT_EXPR): Likewise.
7560 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7561 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7562 (gimplify_target_expr): Likewise.
7563 (gimplify_cond_expr): Remove target handling.
7564 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7565 (gimplify_expr): Clobber it here.
7566 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7567 Do return slot optimization if we have an INIT_EXPR.
7570 * tree-inline.c (declare_return_variable): Also clear
7571 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7574 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7577 * gimplify.c (gimplify_one_sizepos): Fix typo.
7579 2006-02-08 Jeff Law <law@redhat.com>
7581 PR tree-optimization/21417
7582 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7583 across a backedge if the control statement at the end of the
7584 block is data dependent on other statements in the same block.
7585 (record_temporary_equivalences_from_stmts): Remove over-conservative
7586 test for threading across backedges.
7588 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7589 control statement, handle all three special cases in the same
7590 manner as they all have the same desired solution. No longer
7591 special case edge flag updating when the post dominator is
7594 2006-02-08 Roger Sayle <roger@eyesopen.com>
7596 * tree.def (CHAR_TYPE): Remove.
7597 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7598 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7599 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7600 (gen_string_type_die): Delete unreachable function.
7602 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7603 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7604 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7605 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7606 * builtins.c (type_to_class): Likewise.
7607 * fold-const.c (fold_convert, build_range_check,
7608 merge_ranges): Likewise.
7609 * expr.c (count_type_elements): Likewise.
7610 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7611 * stor-layout.c (layout_type): Likewise.
7612 * ipa-type-escape.c (type_to_consider): Likewise.
7613 * gimplify.c (omp_firstprivatize_type_sizes,
7614 gimplify_type_sizes): Likewise.
7615 * explow.c (promote_mode): Likewise.
7616 * tree-sra.c (is_sra_scalar_type): Likewise.
7617 * varasm.c (output_constant): Likewise.
7618 * tree-inline.c (remap_type_1): Likewise.
7619 * convert.c (convert_to_pointer, convert_to_real,
7620 convert_to_integer, convert_to_complex): Likewise.
7622 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7624 * df-scan.c (df_def_record_1): A set destination may
7625 be a parallel regardless of mode.
7627 2006-02-08 Roger Sayle <roger@eyesopen.com>
7630 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7631 * config/mips/_tilib.c: Remove.
7632 * config/fixtfdi.c: New libgcc source file.
7633 * config/fixunstfdi.c: New source file.
7634 * config/floatditf.c: New source file.
7635 * config/floatunditf.c: New souce file.
7636 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7637 files above instead of config/mips/_tilib.c.
7638 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7640 2006-02-08 Jeff Law <law@redhat.com>
7642 PR tree-optimization/26169
7643 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7646 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7648 * df.h (DF_REG_SIZE): Return the length of the initialized
7651 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7653 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7654 __muldf3): Return a correctly signed zero.
7656 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7658 * passes.c (register_one_dump_file): Accept the current properties
7659 instead of pass number. Adjust call to dump_register. Remove
7661 (register_dump_files): Now a wrapper around...
7662 (register_dump_files_1): ... this one. Do not modify the pass
7664 (next_pass_1): Cosmetic fix.
7665 (execute_todo): Keep second parameter only. Use curr_properties
7666 instead of fetching it from the pass structure. Check and set
7668 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7669 instead of fetching it from the pass structure. Fix calls to
7670 execute_todo. Update curr_properties and initialize .vcg RTL dump
7671 after running the pass. Reset last_verified.
7672 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7674 (FIRST_AUTO_NUMBERED_DUMP): New.
7675 (dump_register): Remove "num" parameter, assign it within the
7677 (get_dump_file_name): Modify template for dumps.
7678 * tree-dump.h (dump_register): Adjust prototype.
7679 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7680 (PROP_trees): Add PROP_gimple_lomp.
7681 (TODO_set_props): New.
7682 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7683 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7684 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7686 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7688 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7689 (sparc64-*-linux*): Likewise.
7690 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7691 * config/sparc/t-linux: New file.
7692 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7693 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7694 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7695 -m32 -mlong-double-128.
7697 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7698 * config/alpha/t-linux: New file.
7699 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7701 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7702 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7703 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7704 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7705 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7706 (CPP_ARCH32_SPEC): Remove.
7708 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7710 PR tree-optimization/26145
7711 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7714 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7717 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7718 >= 240000 when generating code for SOM runtime.
7719 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7720 to $$dyncall when generating code for SOM runtime..
7722 2006-02-07 Dirk Mueller <dmueller@suse.com>
7725 * doc/invoke.texi (-Wsequence-point): Update documentation
7726 that -Wsequence-point is implemented for C++ as well.
7728 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7730 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7731 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7732 (LIB_SPEC): Likewise.
7733 * doc/invoke.texi (SPARC options): Document -pthread.
7735 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7737 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7740 2006-02-07 Roger Sayle <roger@eyesopen.com>
7742 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7743 Correct comment describing BOOLEAN_TYPE.
7745 2006-02-07 Dirk Mueller <dmueller@suse.com>
7747 * c.opt: C++ frontend supports -Wdiv-by-zero.
7748 * c-opts.c (c_common_handle_option): Remove dead case.
7750 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7752 * configure.ac (TLS assembler check): Do not enable TLS by
7753 default on SPARC/Solaris before version 10.
7754 * configure: Regenerate.
7756 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7758 * doc/invoke.texi (xl-compat): Document conversion and support
7761 2006-02-07 Jeff Law <law@redhat.com>
7763 * tree-vrp.c (find_conditional_asserts): Update comments.
7764 (simplify_stmt_for_jump_threading): New.
7765 (identify_jump_threads, finalize_jump_threads): New.
7766 (vrp_finalize): Call identify_jump_threads.
7767 (execute_vrp): Call finalize_jump_threads.
7768 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7769 (vrp_element, vrp_data, vrp_element_p): Remove.
7770 (vrp_hash_elt, vrp_variables_stack): Remove.
7771 (vrp_hash, vrp_eq, record_range): Remove.
7772 (simplify_cond_and_lookup_avail_expr): Remove.
7773 (extract_range_from_cond): Remove.
7774 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7775 (simplify_stmt_for_jump_threading): New.
7776 (dom_thread_across_edge): New wrapper.
7777 (tree_ssa_dominator_optimize): No longer initialize or
7778 finalize any of the VRP datastructures. Remove iteration
7779 step and simplify as a result of removal of iteration step.
7780 (pass_dominator): Perform a cfg cleanup after DOM.
7781 (dom_opt_finalize_block): Use the new common routines
7782 for threading jumps. Simplify stack management slightly.
7783 No longer need to unwind VRP state.
7784 (record_equivalences_from_incoming_edge): No longer record
7786 (eliminate_redundant_computations): No longer call
7787 simplify_cond_and_lookup_avail_expr.
7788 * tree-flow.h (potentially_threadable_block): Prototype.
7789 (thread_across_edge): Likewise.
7790 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7791 (tree-ssa-threadedge.o): Add dependencies.
7792 * tree-ssa-threadedge.c: New file.
7793 * passes.c (init_optimization_passes): Merge PHIs before
7794 calling VRP. Run VRP again late in the SSA optimization pipeline.
7796 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7798 * df-core.c (df_set_blocks): Do not dereference function pointers.
7799 (df_finish1): Likewise.
7800 (df_hybrid_search_forward): Likewise.
7801 (df_hybrid_search_backward): Likewise.
7802 (df_iterative_dataflow): Likewise.
7803 (df_analyze_problem): Likewise.
7804 (df_compact_blocks): Likewise.
7805 (df_dump): Likewise.
7806 * df-scan.c (df_rescan_blocks): Likewise.
7807 (df_record_entry_block_defs): Likewise.
7809 * genconditions.c (write_conditions): Guard the definition of
7810 'insn_conditions' with the check on GCC version.
7811 (write_writer): Guard the traversal 'insn_conditions' with
7812 the check on GCC version.
7814 2006-02-07 Richard Guenther <rguenther@suse.de>
7818 2006-01-30 Richard Guenther <rguenther@suse.de>
7820 * gimplify.c (gimplify_target_expr): Handle easy cases
7821 without creating a temporary.
7823 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7825 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7826 use of float in probability computations. Use edge probabilities
7827 in place of statically computed probabilities.
7828 (min_spec_prob): New static variable.
7829 (schedule_insns): Initialize it.
7830 (GET_SRC_PROB): Removed.
7831 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7833 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7836 * config/ia64/unwind-ia64.c: Revert last change.
7837 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7838 (INCOMING_FRAME_SP_OFFSET): Define.
7840 2006-02-06 Roger Sayle <roger@eyesopen.com>
7842 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7844 2006-02-07 Ben Elliston <bje@au.ibm.com>
7846 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7847 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7848 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7849 (ix86_return_in_memory): Handle TDmode.
7850 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7851 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7853 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7855 * reorg.c (dbr_schedule): Use dump_file instead of file.
7857 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7860 * config/ia64/predicates.md (extr_len_operand): New predicate.
7861 * config/ia64/ia64.md (extv): Tighten constraints.
7863 (*tbit_and_2): Ditto.
7864 (*tbit_and_3): Ditto.
7865 (*tbit_or_2): Ditto.
7866 (*tbit_or_3): Ditto.
7870 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7873 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7875 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7877 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7878 loop_optimizer_init and loop_optimizer_finalize
7879 * tree-ssa-sink.c (execute_sink_code): Ditto.
7880 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7881 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7882 tree_ssa_loop_done): Ditto.
7883 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7884 * sched-ebb.c: Include output.h.
7885 (schedule_ebbs): Do not use dump argument.
7886 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7887 * loop.c (loop_dump_stream): Removed.
7888 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7890 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7891 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7892 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7893 loop_iterations, strength_reduce, record_biv, record_giv,
7894 final_giv_value, check_final_value, check_ext_dependent_givs,
7895 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7896 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7897 dump_file instead of loop_dump_stream.
7898 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7900 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7902 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7903 * haifa-sched.c: Include output.h
7904 (schedule_insns, sched_init): Do not use dump argument.
7905 * mode-switching.c (optimize_mode_switching): Ditto.
7906 * modulo-sched.c (stats_file): Removed.
7907 (print_node_sched_params): Do not call argument dump_file.
7908 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7909 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7911 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7913 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7914 rtl_loop_init, rtl_loop_done): Ditto.
7915 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7916 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7918 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7919 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7920 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7921 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7922 * emit-rtl.c (renumber_insns): Ditto.
7923 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7924 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7925 * regclass.c (regclass): Ditto.
7926 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7927 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7928 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7929 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7931 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7932 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7934 * gcse.c (gcse_file, debug_stderr): Removed.
7935 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7936 rest_of_handle_gcse): Do not use dump argument.
7937 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7938 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7939 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7940 compute_code_hoist_vbeinout, compute_code_hoist_data,
7941 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7942 compute_store_table, build_store_vectors, insert_insn_start_bb,
7943 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7944 store_motion): Use dump_file instead of gcse_file.
7945 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7946 * profile.c (profile_dump_file): Removed.
7947 (branch_prob): Use dump_file instead of profile_dump_file.
7948 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7950 * tree-ssa-copy.c (dump_copy_of): Ditto.
7951 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7952 dump file to life_analysis.
7953 * bt-load.c (branch_target_load_optimize): Ditto.
7954 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7956 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7957 regclass, dbr_schedule): Declaration changed.
7958 * sched-int.h (sched_init): Declaration changed.
7959 * tree-profile.c (tree_profile_dump_file): Removed.
7960 (tree_profile_hooks): Removed profile_dump_file hook.
7961 * rtl-profile (rtl_profile_dump_file): Removed.
7962 (rtl_profile_hooks): emoved profile_dump_file hook.
7963 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7965 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7966 * tree-cfg.c (build_tree_cfg): Ditto.
7967 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7968 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7969 Declaration changed.
7970 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7971 life_analysis and schedule_insns.
7972 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7974 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7976 * config/mips/mips.c (mips_reorg): Ditto.
7977 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7980 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7982 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7983 (s390_mangle_fundamental_type): New.
7984 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7987 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7988 (alpha_mangle_fundamental_type): New.
7989 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7992 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7994 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7996 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7997 (sparc_mangle_fundamental_type): New.
7999 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8001 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8002 (s390x-*-linux*): Likewise.
8003 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8004 * config/s390/t-linux: New file.
8006 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8008 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8009 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8011 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8013 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8014 (ANTIC_SAFE_LOADS): New macro.
8015 (find_or_generate_expression): Add prototype.
8016 (set_contains_value): Allow null set for sake of not always having
8017 to allocate ANTIC_SAFE_LOADS.
8018 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8019 Allow COMPONENT_REF too.
8020 (valid_in_set): Allow COMPONENT_REF.
8021 Check ANTIC_SAFE_LOADS too.
8022 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8023 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8025 (can_PRE_operation): Add COMPONENT_REF.
8026 (create_component_ref_by_pieces): New function.
8027 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8028 (insert_aux): Move AGGREGATE_TYPE_P check here.
8029 (compute_avail): Set bb local stmt uids.
8030 (pass_pre): Use TODO_update_ssa_only_virtuals.
8032 2006-02-06 Ben Elliston <bje@au.ibm.com>
8034 * configure.ac: Unconditionally disable decimal float by default.
8035 * configure: Regenerate.
8037 2006-02-06 Ben Elliston <bje@au.ibm.com>
8039 * read-rtl.c (read_name): Terminate reading on EOF.
8041 2006-02-06 Ben Elliston <bje@au.ibm.com>
8043 * dfp.c (decimal_real_arithmetic): Change second argument type
8044 from int to enum tree_code. Do not always return true, but now
8045 return result of any call to decimal_do helper functions.
8046 * dfp.h (decimal_real_arithmetic): Update prototype.
8048 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8050 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8052 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8055 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8058 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8060 * tree-vrp.c (cfg_loops): Removed.
8061 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8062 Use current_loops instead of cfg_loops. Pass flags to
8063 loop_optimizer_init.
8064 * cfgloopmanip.c (fix_loop_structure): Update only available
8066 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8067 loop_optimizer_init.
8068 * modulo-sched.c (build_loops_structure): Removed.
8069 (sms_schedule): Use loop_optimizer_init.
8070 * loop-init.c (loop_optimizer_init): Use flags to determine
8071 which properties of loops to prepare.
8072 (rtl_loop_init): Pass flags to loop_optimizer_init.
8073 * tree-ssa-sink.c (execute_sink_code): Ditto.
8074 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8075 * tree-ssa-pre.c (init_pre): Ditto.
8076 * cfgloop.h (LOOPS_NORMAL): New.
8077 (loop_optimizer_init): Declaration changed.
8079 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8081 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8082 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8084 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8086 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8088 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8089 * pa/t-pa64: Delete quadlib.c rule.
8090 * pa/x-ada: Revert last change.
8091 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8093 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8095 PR rtl-optimization/26087
8096 * rtlanal.c (canonicalize_condition): Do not cross basic block
8099 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8102 * config/ia64/ia64.c: Include debug.h.
8103 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8104 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8105 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8106 (process_epilogue, process_set, process_for_unwind_directive):
8107 Output unwind info only if requested. Add CFA info if requested.
8108 Add new arguments as needed. Adjust callers.
8109 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8111 (DWARF2_FRAME_INFO): Define to zero.
8112 * config/ia64/unwind-ia64.c: Remove code that compensated for
8113 the CFA offset error fixed above.
8114 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8115 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8116 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8117 -funwind-tables and -fexceptions to enable frame info.
8118 (dwarf2out_frame_init): Define initial CFA even if
8119 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8120 DWARF2_UNWIND_INFO is nonzero, not just defined.
8121 (dwarf2out_frame_finish): Output non-EH call frame info only
8122 if DWARF2_FRAME_INFO is nonzero.
8123 (convert_cfa_to_loc_list,
8124 compute_frame_pointer_to_cfa_displacement): Define even if
8125 unwind info is not supported.
8126 (gen_subprogram_die): Use the above unconditionally. Remove
8127 legacy alternate code.
8128 * toplev.c (compile_file): Compile in call to
8129 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8130 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8132 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8133 Jakub Jelinek <jakub@redhat.com>
8135 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8136 IBM extended float format long double as "g" on powerpc*-linux.
8138 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8141 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8142 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8144 2006-02-03 Jason Merrill <jason@redhat.com>
8147 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8150 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8151 on the return slot if it's an NRV.
8153 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8155 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8156 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8157 rewrite_use): Do not handle USE_OUTER.
8158 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8159 add_iv_outer_candidates, may_replace_final_value,
8160 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8161 (find_interesting_uses_op): Functionality of
8162 find_interesting_uses_outer_or_nonlin moved here.
8163 (find_interesting_uses_outside): Use find_interesting_uses_op.
8165 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8168 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8170 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8171 Ulrich Weigand <uweigand@de.ibm.com>
8174 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8175 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8176 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8177 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8179 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8180 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8181 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8182 Define secondary reloads for TFmode moves.
8183 (constant_modes): Add TFmode.
8184 (NR_C_MODES): Set to 8.
8185 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8187 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8188 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8189 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8190 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8191 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8192 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8193 (FPR mode macro): Add TFmode.
8194 (DSF mode macro): New.
8195 (<de>, <dee> mode attributes): Removed.
8196 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8197 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8198 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8199 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8200 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8201 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8202 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8203 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8204 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8205 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8206 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8207 "*negabs<mode>2", "sqrt<mode>2"):
8208 Changed <de> to <xde>. R constraint replaced by <Rf>.
8209 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8211 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8212 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8213 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8215 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8216 "extenddftf2", "extendsftf2"): New expanders.
8217 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8218 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8219 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8220 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8222 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8223 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8224 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8225 __floatditf): Add a GCC_4.1.0 symbol version tag.
8226 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8229 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8232 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8233 Use targetm.binds_local_p instead of TREE_PUBLIC.
8235 2006-02-02 Roger Sayle <roger@eyesopen.com>
8237 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8238 on INTEGER_TYPEs to indicate that it denotes a character type.
8239 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8240 signed_char_type_node, unsigned_char_type_node and char_type_node.
8241 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8242 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8243 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8245 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8246 Daniel Berlin <dberlin@dberlin.org>
8248 * tree-tailcall.c (arg_needs_copy_p): New function.
8249 (eliminate_tail_call): Use arg_needs_copy_p.
8250 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8251 (add_virtual_phis): New function.
8253 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8255 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8256 #ignore instead of #scratch for %g7 .register directive.
8258 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8260 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8263 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8265 * flow.c (calculate_global_regs_live): Assert that there aren't any
8268 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8270 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8272 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8273 bsi_after_labels iterator.
8274 * tree-if-conv.c (find_phi_replacement_condition,
8275 replace_phi_with_cond_modify_expr): Likewise.
8276 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8277 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8279 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8281 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8283 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8286 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8287 array after growing it.
8289 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8292 * fold-const.c (fold_checksum_tree): Change type of buf.
8294 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8296 * reload.c (push_secondary_reload): Initialize t_icode.
8298 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8300 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8301 -msoft-float -mlong-double-128 only issue a warning, but don't
8302 swich to DFmode long double.
8304 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8306 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8307 has a constant equivalent, iterate over equivalents for arg0,
8308 calling simplify_relational_operation and if there's a result
8309 cheaper than X, apply fold_rtx and return the result.
8311 2006-02-01 Jan Hubicka <jh@suse.cz>
8313 * opts.c (no_unit_at_a_time_default): New global variable.
8314 (decode_options): Use it.
8315 * opts.h (no_unit_at_a_time_default): Declare.
8317 2006-02-01 Paul Brook <paul@codesourcery.com>
8319 * function.c (assign_parm_setup_reg): Use function argument promotion
8321 * expr.c (expand_expr_real_1): Use function argument promotion rules
8324 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8326 * gcc.c (process_command): Change j to 'unsigned int'.
8328 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8331 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8332 Use the corrected index for the character
8333 out of the string constant.
8335 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8337 * mode-switching.c (optimize_mode_switching): Fix size
8338 allocated for bb_info[n_entities].
8340 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8342 * gcc.c (main): Correct type that is allocated for
8343 explicit_link_files.
8345 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8347 * config/s390/s390.c (init_alignment_context): Set
8348 ALIAS_SET_MEMORY_BARRIER on the MEM.
8349 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8351 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8354 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8356 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8359 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8361 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8362 * regrename.c: Ditto.
8363 * tree-ssa-loop-im.c: Ditto.
8364 * tree-dump.c: Ditto.
8365 * tree-complex.c: Ditto.
8366 * genrecog.c: Ditto.
8367 * tree-ssa-threadupdate.c: Ditto.
8369 * java/class.c: Ditto.
8370 * java/jcf-parse.c: Ditto.
8371 * java/resource.c: Ditto.
8372 * java/except.c: Ditto.
8373 * java/jvspec.c: Ditto.
8374 * java/jcf-write.c: Ditto.
8375 * java/jcf-path.c: Ditto.
8376 * java/gjavah.c: Ditto.
8377 * java/zextract.c: Ditto.
8378 * java/jcf-io.c: Ditto.
8379 * java/jcf.h: Ditto.
8380 * java/buffer.c: Ditto.
8381 * java/lang.c: Ditto.
8382 * java/parse-scan.y: Ditto.
8383 * java/lex.c: Ditto.
8384 * java/lex.h: Ditto.
8385 * cfgloopmanip.c: Ditto.
8386 * postreload-gcse.c: Ditto.
8387 * tree-ssa-loop-manip.c: Ditto.
8388 * postreload.c: Ditto.
8389 * tree-ssa-loop-ch.c: Ditto.
8393 * diagnostic.c: Ditto.
8395 * genoutput.c: Ditto.
8397 * cfghooks.c: Ditto.
8398 * cfgloopanal.c: Ditto.
8399 * objc/objc-act.c: Ditto.
8401 * genextract.c: Ditto.
8402 * genautomata.c: Ditto.
8403 * pretty-print.c: Ditto.
8405 * cgraphunit.c: Ditto.
8408 * haifa-sched.c: Ditto.
8409 * dominance.c: Ditto.
8411 * tree-ssa-loop-ivopts.c: Ditto.
8413 * mode-switching.c: Ditto.
8414 * modulo-sched.c: Ditto.
8416 * ipa-pure-const.c: Ditto.
8418 * fix-header.c: Ditto.
8420 * tree-stdarg.c: Ditto.
8421 * ipa-utils.c: Ditto.
8422 * loop-init.c: Ditto.
8423 * ipa-inline.c: Ditto.
8426 * alloc-pool.c: Ditto.
8427 * dwarf2out.c: Ditto.
8429 * genattrtab.c: Ditto.
8430 * tree-ssa-loop-ivcanon.c: Ditto.
8434 * fortran/gfortranspec.c: Ditto.
8436 * local-alloc.c: Ditto.
8437 * langhooks.c: Ditto.
8438 * function.c: Ditto.
8439 * tree-vectorizer.c: Ditto.
8441 * ipa-type-escape.c: Ditto.
8443 * tree-if-conv.c: Ditto.
8446 * tree-data-ref.c: Ditto.
8447 * loop-unroll.c: Ditto.
8448 * treelang/treetree.c: Ditto.
8451 * ggc-common.c: Ditto.
8453 * coverage.c: Ditto.
8455 * tree-cfgcleanup.c: Ditto.
8456 * tree-ssa-pre.c: Ditto.
8457 * cfgcleanup.c: Ditto.
8458 * loop-invariant.c: Ditto.
8460 * ipa-prop.c: Ditto.
8461 * print-tree.c: Ditto.
8462 * conflict.c: Ditto.
8463 * ggc-page.c: Ditto.
8464 * sched-deps.c: Ditto.
8465 * regclass.c: Ditto.
8466 * tree-object-size.c: Ditto.
8468 * bb-reorder.c: Ditto.
8469 * resource.c: Ditto.
8470 * var-tracking.c: Ditto.
8472 * df-problems.c: Ditto.
8473 * reg-stack.c: Ditto.
8476 * sched-rgn.c: Ditto.
8477 * tree-ssa-structalias.c: Ditto.
8478 * tree-ssa-reassoc.c: Ditto.
8479 * config/darwin-c.c: Ditto.
8480 * config/darwin.c: Ditto.
8481 * config/arm/arm.c: Ditto.
8483 * collect2.c: Ditto.
8486 2006-01-31 Nicolas Pitre <nico@cam.org>
8488 * arm.md (smaxsi3): Make aware of smax_m1.
8491 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8493 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8495 2006-01-31 Richard Guenther <rguenther@suse.de>
8497 * doc/invoke.texi (-msselibm): Document.
8498 * target.h (expand_library_builtin): New target hook.
8499 * builtins.c (expand_builtin): Use expand_library_builtin.
8500 (default_expand_library_builtin): New function.
8501 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8502 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8503 (link_gcc_math_spec): Declare.
8504 (static_specs): Add link_gcc_math_spec.
8505 * expr.h (default_expand_library_builtin): Declare.
8506 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8507 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8508 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8509 * config/i386/i386.opt (msselibm): New target option.
8510 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8511 (ix86_init_sse_abi_builtins): New function.
8512 (ix86_expand_library_builtin): Likewise.
8513 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8514 (override_options): Handle error conditions wrt -msselibm.
8515 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8516 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8517 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8520 2006-01-31 Richard Guenther <rguenther@suse.de>
8521 Paolo Bonzini <bonzini@gnu.org>
8523 * doc/install.texi (--disable-libgcc-math): Document.
8525 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8527 * expr.h (expand_normal): new inline function.
8528 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8530 * dwarf2out.c: use it.
8535 * config/sparc/sparc.c: use it.
8536 * config/i386/i386.c: use it.
8537 * config/rs6000/rs6000.c: use it.
8538 * config/arm/arm.c: use it.
8539 * config/mips/mips.c: use it.
8540 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8542 2006-01-30 Roger Sayle <roger@eyesopen.com>
8544 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8545 argv to the appropriate type.
8547 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8549 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8552 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8555 * config/s390/s390.c (struct machine_function): New flag
8556 decomposed_literal_pool_addresses_ok_p.
8557 (s390_reorg): Set it before final stage of literal pool transforms.
8558 (s390_decompose_address): Only accept displacements of the form
8559 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8561 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8563 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8564 the comparison routine return.
8566 2006-01-30 Michael Matz <matz@suse.de>
8568 * global.c (find_reg): Only evict for global regs.
8569 Take n_refs into account and dump more info.
8571 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8574 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8575 (pragma_trap, pragma_nosave_low_regs): Likewise.
8576 (current_function_anonymous_args): Likewise.
8577 (sh_deferred_function_attributes): New variable.
8578 (sh_deferred_function_attributes_tail): Likewise.
8579 (print_operand): For '@', look up trap_exit attribute.
8580 (calc_live_regs): Look up trapa_handler attribute. For trapa
8581 handlers, save/restore fpscr, but don't do any other
8582 interrupt-specific saves.
8583 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8584 Fix check for partially saved registers to check for SHmedia.
8585 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8586 (sh_output_function_epilogue): Don't clear any of the removed
8588 (sh_insert_attributes): Don't check pragma_interrupt.
8589 Insert deferred attributes. Check that interrupt attribute is
8590 present for other attributes that require its presence.
8591 (sh_attribute_table): Add new attributes trapa_handler and
8593 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8594 Don't check for pragma_interrupt. Don't store argument.
8595 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8596 (sh_deferred_function_attributes): Declare.
8597 (sh_deferred_function_attributes_tail): Likewise.
8598 * sh.md (sp_switch_1): Add operand. Change generator caller.
8599 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8600 (*return_i): Don't use when trap_exit attribute is in effect.
8601 (*return_trapa): New insn pattern.
8603 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8604 setting c_target_objs and cxx_target_objs.
8605 * t-sh: Add rule for sh-c.o.
8607 2006-01-30 Richard Guenther <rguenther@suse.de>
8610 * gimplify.c (gimplify_target_expr): Handle easy cases
8611 without creating a temporary.
8613 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8615 * vec.h (safe_grow): Remove duplicated line.
8617 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8620 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8621 (expand_omp): ... here.
8622 (expand_omp_parallel): Only remove barriers for combined
8623 parallel+workshare constructs.
8625 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8629 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8630 * tree.c (build_qualified_type): Chain the new type to the original
8631 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8632 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8633 (build_pointer_type_for_mode): Only return unqualified types.
8634 (build_reference_type_for_mode): Likewise.
8636 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8638 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8639 * Makefile.in (CXX_COMPAT_WARN): Define.
8640 * configure: Regenerate.
8642 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8645 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8648 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8650 * toplev.c: Fix thinko.
8652 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8653 Marcin Dalecki <martin@dalecki.de>
8655 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8656 (push_srcloc): Use XNEW.
8657 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8659 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8661 * df-core.c (df_set_blocks): Deleted all variable.
8663 2006-01-28 Ian Lance Taylor <ian@airs.com>
8665 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8666 cgraph_output_pending_asms.
8668 2006-01-28 Zack Weinberg <zackw@panix.com>
8670 * c.opt: Add -W(no-)overlength-strings.
8671 * doc/invoke.texi: Document it.
8672 * c-opts.c (c_common_handle_option): -pedantic implies
8673 -Woverlength-strings, if not explicitly disabled already.
8674 (c_common_post_options): -Woverlength-strings defaults to off, and
8675 is always off for C++.
8676 * c-common.c (fix_string_type): Issue warning about strings longer
8677 than is portable only if warn_overlength_strings. Rearrange code
8678 a little for clarity.
8679 * configure.in: Check for -Wno-overlength-strings as well before
8680 enabling -pedantic in stage 1.
8681 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8682 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8684 * genconditions.c (write_header, write_one_condition)
8685 (write_conditions, write_writer): Consolidate very long strings
8686 that were broken up to fit in C89 portable limit. Don't use
8687 printf when fputs will do.
8689 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8691 * combine.c (simplify_comparison <AND>): Check
8692 TRULY_NOOP_TRUNCATION before start using a subreg.
8694 * config/mips/mips.md (*branch_zero<mode>,
8695 *branch_zero<mode>_inverted, *branch_equality<mode>,
8696 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8697 Remove mode check from comparisons.
8699 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8701 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8703 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8705 * expmed.c (const_mult_add_overflow_p): Remove.
8706 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8708 * recog.c (validate_replace_rtx_subexp): Remove.
8709 * recog.h: Remove the prototype for
8710 validate_replace_rtx_subexp.
8712 * integrate.h: Remove the prototype for
8713 copy_decl_for_inlining.
8714 * rtl.h: Remove the prototype for mark_constant_function.
8715 * tree-vectorizer.h: Remove the prototype for
8716 vect_strip_conversion.
8718 * modulo-sched.c (create_partial_schedule,
8719 free_partial_schedule, reset_partial_schedule): Make them
8722 * hooks.c (hook_bool_rtx_int_false): Remove.
8723 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8725 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8727 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8728 and -mlong-double-128 are incompatible.
8729 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8730 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8731 (TARGET_LIBGCC2_CFLAGS): Define.
8732 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8733 (TARGET_LIBGCC2_CFLAGS): Same.
8734 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8736 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8739 * c-typeck.c (build_binary_op): Perform implicit casts of
8740 operands before shortening them.
8742 * cfgloopmanip.c (split_loop_bb): Remove.
8743 * cfgloop.h: Remove the prototype for split_loop_bb.
8745 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8746 * cfgloop.h: Remove the prototype for
8747 flow_loop_outside_edge_p.
8749 * emit-rtl.c (init_virtual_regs): Make it static.
8750 * function.h: Remove the prototype for init_virtual_regs.
8752 * recog.c (peephole2_optimize): Make it static.
8753 * recog.h: Remove the prototype for peephole2_optimize.
8755 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8757 * df-scan.c (df_record_entry_block_defs): Check if
8758 INCOMING_RETURN_ADDR_RTX is defined.
8760 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8761 Kenneth Zadeck <zadeck@naturalbridge.com>
8763 PR rtl-optimization/24762
8764 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8765 * targhooks.c (hook_void_bitmap): New hook prototype.
8766 * targhoohs.h (hook_void_bitmap): Ditto.
8767 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8768 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8769 * target.h (live_on_entry): New function pointer.
8770 * df-scan.c (df_all_hard_regs): Removed.
8771 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8772 (df_scan_free_internal): Added df->entry_block_defs.
8773 (df_scan_alloc): Ditto.
8774 (df_scan_dump): Ditto.
8775 (df_uses_record): Plumbed flag field properly thru calls.
8776 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8777 This part fixes PR24762.
8778 (df_bb_refs_record): Added code to make the frame and arg
8779 pointers live in EH blocks.
8780 (df_refs_record): Added call to df_record_entry_block_defs.
8781 (df_record_entry_block_defs): New function.
8782 * df-core.c: Added comments to describe new artifical defs.
8783 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8784 (entry_block_defs): New field in struct df.
8785 (df_all_hard_regs): Deleted.
8786 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8787 * df-problems.c (df_ru_bb_local_compute_process_def):
8788 Added code to handle artifical defs in the entry to a function.
8789 (df_ru_bb_local_compute): Ditto.
8790 (df_rd_bb_local_compute_process_def): Ditto.
8791 (df_rd_bb_local_compute): Ditto.
8792 (df_lr_bb_local_compute): Ditto.
8793 (df_ur_bb_local_compute): Ditto.
8794 (df_urec_bb_local_compute): Ditto.
8795 (df_chain_create_bb): Ditto.
8796 (df_ur_local_finalize): Removed entry.
8797 (df_urec_init): Ditto.
8798 (df_urec_local_finalize): Ditto.
8799 (df_ri_bb_compute): Added detection of last use of pseudos.
8800 * Makefile.in (df-scan.o): Updated dependencies.
8801 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8802 * config/mips/mips.c (mips_set_live_on_entry): Added.
8803 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8805 * dce.c (marked_insn_p): Added code to handle artifical defs.
8807 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8809 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8811 (_mm_cvtsi128_si64): Likewise.
8812 (_mm_cvtsd_si64): Likewise.
8813 (_mm_cvttsd_si64): Likewise.
8814 (_mm_cvtsi64_sd): Likewise.
8815 (_mm_cvtsi64_si128): Likewise.
8816 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8817 (_mm_cvtsi64_m64): Likewise.
8818 (_m_to_int64): Likewise.
8819 (_mm_cvtm64_si64): Likewise.
8820 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8821 (_mm_cvttss_si64): Likewise.
8822 (_mm_cvtsi64_ss): Likewise.
8823 (_mm_cvtss_f32): Likewise.
8825 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8827 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8828 for pragma redefine_extname.
8830 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8833 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8834 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8835 -mno-minimal-toc to previous content.
8836 (bispecs): Remove goal.
8837 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8838 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8839 compatibility aliases on powerpc-*-*gnu*.
8840 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8841 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8842 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8843 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8844 (ldblspecs): New goal.
8845 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8846 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8848 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8849 L_sf_to_tf or L_df_to_tf is defined.
8851 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8852 Alan Modra <amodra@bigpond.net.au>
8855 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8856 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8857 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8858 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8859 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8860 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8861 (rs6000_override_options): Initialize rs6000_ieeequad.
8862 Initialize TFmode format to ibm_extended_format if not
8864 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8866 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8867 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8868 (function_arg_advance): IBM long double passed in two FPRs, not
8870 (function_arg): IBM long double passed in FPRs.
8871 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8872 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8873 Only multireg GPR aligned.
8874 (rs6000_init_libfuncs): Enable IBM long double functions if not
8876 (rs6000_generate_compare): Use IBM long double compare if not
8878 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8879 (TARGET_IEEEQUAD): Define.
8880 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8881 not TARGET_IEEEQUAD.
8882 * config/rs6000/rs6000.md: Enable TFmode patterns if
8884 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8885 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8886 and -mlong-double-128 are incompatible.
8887 * doc/invoke.texi (-mabi): Collect options together. Add
8888 ibmlongdouble and ieeelongdouble.
8890 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8892 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8894 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8895 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8896 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8897 * rtl.h (rtunion_def): Remove rt_ptr.
8899 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8900 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8901 * config/i386/winnt.c (i386_pe_mark_dllexport)
8902 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8904 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8906 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8908 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8912 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8913 pthread_key_delete. From John David Anglin. gthrw-ify
8914 pthread_getunique_np only if it it's not a macro. Delete
8916 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8917 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8918 __gthread_objc_condition_signal, __gthread_key_delete): Add
8919 "__attribute__ ((__unused__))" to unused arguments.
8920 (__gthread_recursive_mutex_init_function): Add missing return.
8921 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8922 gthr-posix95.h: Use macro-based approach for name redirection
8923 on targets missing weakref.
8925 2006-01-26 Zack Weinberg <zackw@panix.com>
8927 * genconditions.c (write_header): In generated code, #ifdef out
8928 all includes and fake declarations, except includes of bconfig.h
8929 and system.h, unless GCC_VERSION >= 3001. Do not include
8930 gensupport.h in any case.
8931 (write_conditions): Generate a definition of struct c_test. Add
8932 a comment to the generated #endif.
8933 (write_one_condition): Escape backslashes in string too.
8934 (write_writer): Generated code must escape backslashes and quote
8935 marks (but not newlines) in the strings it writes.
8936 * Makefile.in (build/gencondmd.o): Update dependencies.
8938 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8941 * Makefile.in (insn-automata.o): Add header file dependencies.
8942 * genautomata.c: Add includes.
8944 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8947 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8949 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8951 * configure.ac: Expect target tools paths to be passed from the toplevel
8952 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8954 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8956 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8959 * c.opt (Wpointer-sign): Init to -1.
8960 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8961 OPT_pedantic, to 0 otherwise.
8962 * doc/invoke.texi: Update.
8964 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8966 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8967 constants provided by 80387 instructions in the destination mode.
8969 2006-01-26 Richard Guenther <rguenther@suse.de>
8970 Andrew Pinski <pinskia@physics.uc.edu>
8973 partial PR tree-opt/17064
8974 * tree-ssa-structalias.c (intra_create_variable_infos):
8975 Create heap variables for incoming parameters if
8976 flag_argument_noalias > 1.
8977 (find_what_p_points_to): Look through default defs of
8980 2006-01-26 Jeff Law <law@redhat.com>
8983 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8984 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8985 within the VR_RANGE, use the VR_RANGE as the result, not the
8987 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8988 bounds for the type.
8990 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8992 * tree-ssa-alias.c (maybe_create_global_var): Change
8993 subvar walking to an assertion that we don't have subvar'd variables.
8995 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8998 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8999 Use a new variable, inner. PARM_DECLs are always non-weak.
9001 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9003 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9006 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9008 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9010 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9012 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9013 (smax_insn, smin_insn, smax_0, smin_0): New.
9015 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9018 * config/cris/cris.c (cris_order_for_addsi3): New function.
9019 * config/cris/cris-protos.h: Prototype it.
9020 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9021 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9022 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9023 (split for "op.S1 [rx=rx+i],ry (swapped)")
9024 (split for "op(s|u).S1 [rx=rx+i],ry")
9025 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9026 Apply cris_order_for_addsi3 when generating addsi3 insns.
9028 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9030 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9031 (TREE_BLOCK): Add call to EXPR_CHECK.
9033 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9036 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9037 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9038 (dump_omp_clauses): ... here.
9039 (dump_generic_node): Handle OMP_CLAUSE.
9040 * tree.c (omp_clause_num_ops): New.
9041 (omp_clause_code_name): New.
9042 (tree_code_size): Handle OMP_CLAUSE.
9043 (tree_size): Likewise.
9044 (make_node): Document handling of OMP_CLAUSE.
9045 (tree_node_structure): Handle OMP_CLAUSE.
9046 (omp_clause_check_failed): New.
9047 (omp_clause_range_check_failed): New.
9048 (omp_clause_operand_check_failed): New.
9049 (build_omp_clause): New.
9050 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9051 * tree.h (enum omp_clause_code): Declare.
9052 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9053 (OMP_CLAUSE_RANGE_CHECK): Define.
9054 (OMP_CLAUSE_ELT_CHECK): Define.
9055 (omp_clause_check_failed): Declare.
9056 (omp_clause_operand_check_failed): Declare.
9057 (omp_clause_range_check_failed): Declare.
9058 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9059 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9060 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9061 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9062 (OMP_CLAUSE_IF_EXPR): Likewise.
9063 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9064 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9065 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9066 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9067 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9068 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9069 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9070 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9071 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9072 (OMP_CLAUSE_CODE): Define.
9073 (OMP_CLAUSE_SET_CODE): Define.
9074 (OMP_CLAUSE_CODE): Define.
9075 (OMP_CLAUSE_OPERAND): Define.
9076 (struct tree_omp_clause): Declare.
9077 (union tree_node): Add field 'omp_clause'.
9078 * treestruct.def (TS_OMP_CLAUSE): Define.
9079 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9080 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9081 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9082 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9083 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9084 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9085 (OMP_CLAUSE): Define.
9086 * print-tree.c (print_node): Handle OMP_CLAUSE.
9087 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9088 * c-typeck.c: Likewise.
9089 * gimplify.c: Likewise.
9090 * c-omp.c: Likewise.
9091 * tree-nested.c: Likewise.
9092 * tree-inline.c: Likewise.
9093 * c-parser.c: Likewise.
9094 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9097 2006-01-25 Roger Sayle <roger@eyesopen.com>
9099 PR rtl-optimization/25703
9100 * combine.c (try_combine): Handle zero_extract and strict_low_part
9101 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9103 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9105 * global.c: Fix comment typos.
9107 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9110 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9111 Use output_addr_const instead of assemble_name.
9113 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9115 * Makefile.in (sched-vis.o): Update dependencies.
9116 * haifa-sched.c (sched_finish): Clear current_sched_info.
9117 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9118 (dump_flow_info): Call it.
9119 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9121 * basic-block.h (dump_bb_info): Declare.
9122 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9123 option, and apply options only for dump files whose TDF_RTL,
9124 TDF_TREE, or TDF_IPA bits match.
9125 * rtl.h: Declare new functions exported from sched-vis.c.
9126 * sched-vis.c: Enable also if scheduling is not used.
9127 (print_value): Print the mode of registers if not inside scheduling.
9128 (print_insn): Make it work outside the scheduler. Beautify the output
9130 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9132 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9134 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9135 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9136 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9137 depending on the value of CONSTANT_POOL_ADDRESS_P.
9138 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9140 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9141 rather than SYMBOL_REF_DECL.
9142 (rtx_constant_pool): Remove const_rtx_sym_htab.
9143 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9144 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9145 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9146 Remove handling of const_rtx_sym_htab.
9147 (find_pool_constant): Delete.
9148 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9149 rather than find_pool_constant.
9150 (get_pool_constant_for_function): Delete.
9151 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9153 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9154 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9155 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9156 (SYMBOL_REF_CONSTANT): New macro.
9157 (get_pool_constant_for_function): Delete.
9158 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9159 rather than SYMBOL_REF_DECL.
9160 (i386_pe_mark_dllimport): Likewise.
9161 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9162 rather than SYMBOL_REF_DECL.
9163 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9164 (machopic_indirect_call_target): Likewise.
9166 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9168 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9170 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9172 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9174 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9176 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9178 2006-01-24 David Daney <ddaney@avtrex.com>
9181 * configure.ac (enable_tls): New enable option.
9182 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9183 * configure: Regenerate.
9184 * doc/install.texi (--enable-tls): Document new option.
9185 (--disable-tls): Ditto.
9187 2006-01-24 Richard Henderson <rth@redehat.com>
9189 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9190 * alias.c (true_dependence): Respect it.
9191 (canon_true_dependence, write_dependence_p): Likewise.
9192 * builtins.c (get_builtin_sync_mem): Set it.
9194 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9196 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9199 2006-01-24 DJ Delorie <dj@redhat.com>
9201 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9202 for storing constants in single-bit bitfields.
9204 2006-01-25 Ben Elliston <bje@au.ibm.com>
9206 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9208 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9211 * tree-ssa-pre.c (phi_translate): Return NULL
9212 for AGGREGATE_TYPE's.
9214 2006-01-24 Zack Weinberg <zackw@panix.com>
9216 * genautomata.c (process_state_for_insn_equiv_partition):
9217 Use xcalloc for insn_arcs_array.
9218 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9219 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9221 2006-01-24 Richard Henderson <rth@redhat.com>
9223 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9226 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9228 PR rtl-optimization/25890
9229 PR rtl-optimization/25905
9230 * combine.c (expand_compound_operation, expand_field_assignment):
9231 Fail if the bitfield's final position is out of bounds.
9233 2006-01-24 Ian Lance Taylor <ian@airs.com>
9236 * cgraphunit.c (cgraph_output_in_order): Don't clear
9237 cgraph_asm_nodes until after asm strings have been output.
9239 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9241 * fix-header.c (read_scan_file): Add new parameter imultilib when
9242 calling register_include_chains.
9244 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9246 * omp-low.c: Update documentation.
9248 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9249 Daniel Berlin <dberlin@dberlin.org>
9253 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9254 return from the function.
9256 2006-01-22 Zack Weinberg <zackw@panix.com>
9258 * rtl.def (match_code): Add second argument.
9259 * genpreds.c (write_extract_subexp): New function.
9260 (write_match_code): Add path argument. Use write_extract_subexp.
9261 (write_predicate_expr): Pass path to write_match_code.
9262 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9263 not perform a mode test.
9264 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9265 a subexpression does not constrain the top-level code set.
9266 * read-rtl.c (read_rtx_variadic): New function.
9267 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9268 * doc/md.texi: Document new notation.
9269 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9270 (cmpsi_operand): ... here, using new notation.
9272 2006-01-22 Zack Weinberg <zackw@panix.com>
9274 * varray.c: Remove GENERATOR_FILE #ifdefs.
9276 2006-01-22 Zack Weinberg <zackw@panix.com>
9278 * genautomata.c (output_reserved_units_table): Emit nothing if
9279 description->query_units_num is zero. Remove extra blank line.
9280 (output_cpu_unit_reservation_p): Short circuit
9281 if description->query_units_num is zero.
9283 2006-01-22 Zack Weinberg <zackw@panix.com>
9285 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9286 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9287 nor any of the random handful of variables that used to be necessary
9288 when this program was linked with rtlanal.o. Prune set of forward
9289 function declarations.
9290 (struct attr_desc): Remove static_p field.
9291 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9292 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9293 (attr_string): Do not read the character one past the length of
9295 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9296 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9297 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9298 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9299 (make_automaton_attrs): New.
9300 (main): Do not call into genautomata. Call local gen_bypass
9301 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9302 Remove special case for insn_alts.
9303 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9304 varray.h (leftover from previous change). Prune set of forward
9305 function declarations. Remove state_alts fields from all
9306 structures. Remove state_alts_table from struct automaton.
9307 Make everything except main static. Do not maintain num_dfa_decls.
9308 Do not maintain state_alts fields of various structures.
9309 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9310 (add_arc): Remove state_alts argument. All callers updated.
9311 (output_reserved_units_table): Emit #ifdef here...
9312 (output_tables): ...not here. Don't generate state_alts tables.
9313 (expand_automata): Don't generate attributes.
9314 (write_automata): Don't generate state_alts functions.
9315 (main): New function.
9316 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9317 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9318 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9319 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9320 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9321 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9322 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9323 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9325 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9326 * genattrtab.h: Delete file.
9327 * Makefile.in (OBJS-common): Add insn-automata.o.
9328 (insn-automata.o): New rule.
9329 (simple_generated_c): Add insn-automata.c.
9330 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9331 (genprogmd): Add automata.
9332 (build/genattrtab): Needs no extra objects nor libraries.
9333 (build/genautomata): Needs build/vec.o and -lm.
9335 2006-01-22 Zack Weinberg <zackw@panix.com>
9337 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9338 (output_dfa_max_issue_rate, locked_states_num): Delete.
9339 (struct automaton): Add locked_states field.
9340 (output_dead_lock_vect): Save number of locked states in
9341 automaton->locked_states. If it is zero, don't print anything.
9342 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9343 (output_internal_dead_lock_func): Only test the dead_lock_vect
9344 for automata that have locked states.
9345 (output_statistics): Always print the number of locked states for
9346 each automaton. Calculate total number of locked states here.
9347 (write_automata): Don't call output_dfa_max_issue_rate.
9348 * genattrtab.c: Define length_unit_log as a const variable.
9349 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9350 max_insn_queue_index const.
9351 * final.c (length_unit_log): Declare const.
9352 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9354 2006-01-22 Zack Weinberg <zackw@panix.com>
9356 * genautomata.c: Include vec.h, not varray.h.
9357 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9358 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9359 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9360 VEC_* macros operating on appropriately typed vectors, or to
9361 malloced arrays when the size is known in advance. Const-ify
9362 many char* variables and function arguments. No functional changes.
9363 * Makefile.in (build/varray.o): Delete rule.
9364 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9365 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9367 2006-01-22 Zack Weinberg <zackw@panix.com>
9369 * gensupport.c: Define get_insn_name and record_insn_name here.
9370 (read_md_rtx): Call record_insn_name as appropriate.
9371 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9372 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9373 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9375 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9376 (BUILD_VARRAY): Delete.
9377 (genprognormal): Rename genprogmd. Fold in all programs from
9378 genprognoprint; also attrtab.
9379 (build/genattrtab): Just mention genautomata.o and varray.o.
9380 Reorganize a bit, add comments to make the categories clearer.
9382 2006-01-22 Zack Weinberg <zackw@panix.com>
9384 * genconditions.c (condition_table, add_condition): Delete.
9385 (write_conditions): Don't emit n_insn_conditions nor
9386 insn_elision_unavailable. Issue the gcc version #ifdef here,
9387 inside the table, with no #else clause ...
9388 (write_header): ...not here.
9389 (write_writer): New function.
9390 (main): Don't initialize condition_table. Use add_c_test.
9392 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9393 files on the command line.
9394 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9395 Return -1 if there is no entry in the table, don't abort.
9396 (add_c_test, traverse_c_tests): New functions.
9397 * gensupport.h (insn_elision_unavailable, insn_conditions)
9398 (n_insn_conditions): Delete declarations.
9399 (add_c_test, traverse_c_tests): Declare.
9400 * read-rtl.c: Include gensupport.h.
9401 (read_conditions): New function.
9402 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9403 (read_rtx_1): If we get EOF when we were looking for an initial
9404 open paren, return 0. Call read_conditions when appropriate.
9405 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9406 dummy-conditions.o. Eliminate references to insn-conditions.o,
9407 or change them to build/gencondmd.o, as appropriate. Remove
9408 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9409 from $(simple_generated_c). For all files remaining in those
9410 two lists, add insn-conditions.md to the generator command line.
9411 Give insn-constants.h/s-constants their own rules. Add rules
9412 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9413 (build/read-rtl.o): Depend on gensupport.h.
9414 (genprognormal): Include preds.
9415 (genprogearly): Rename genprognoprint; only difference is now that
9416 they don't link with $(BUILD_PRINT).
9417 * dummy-conditions.c: Delete.
9419 2006-01-22 Zack Weinberg <zackw@panix.com>
9421 * genextract.c: Don't include insn-config.h. Do include vec.h.
9422 Declare vectors of int, char, and locstr.
9423 (locstr): New typedef.
9424 (struct extraction): Make all array fields into bare pointers.
9425 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9426 (insn_code_number): Delete.
9427 (accum_extract): New struct.
9428 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9429 (gen_insn): Take insn_code_number as an argument. Use an
9430 accum_extract structure instead of loading data directly into
9431 a struct extraction, and having to know how big it might get.
9432 (walk_rtx): Operate entirely on an accum_extract structure.
9433 (print_path): Avoid unnecessary use of printf.
9434 (print_header): New function, split out of main. Distinguish
9435 more carefully between an unrecognizable insn and an insn that
9436 has the code number of a define_expand.
9437 (main): Pass insn_code_number to gen_insn. Call print_header
9438 only after parsing. Avoid unnecessary use of printf.
9439 * Makefile.in (build/vec.o): New rule.
9440 (build/genextract): Depend on build/vec.o.
9441 (build/genextract.o): Don't depend on insn-config.h.
9443 2006-01-22 Zack Weinberg <zackw@panix.com>
9445 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9446 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9447 practical. Eliminate per-generator-program link rules.
9449 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9452 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9453 with a call expr to ...
9454 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9456 2006-01-23 Richard Guenther <rguenther@suse.de>
9458 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9459 before make_edge with conditional EDGE_TRUE_VALUE.
9461 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9462 Jan Hubicka <jh@suse.cz>
9463 Richard Guenther <rguenther@suse.de>
9465 PR rtl-optimization/25654
9466 * cfgexpand.c (aggregate_contains_union_type): New function.
9467 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9468 for structure variables that contain a union type.
9470 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9472 * gengtype.c (new_structure): Return the structure.
9473 (create_option): Add an extra "next" argument.
9474 (create_field): New function.
9475 (adjust_field_rtx_def): Use create_option and create_field.
9476 Remove a now-unnecessary call to find_structure.
9477 (adjust_field_tree_def): Likewise.
9478 (note_yacc_type): Remove an unnecessary call to find_structure.
9479 * gengtype.h (new_structure): Return the structure.
9480 (create_option): Add an extra argument.
9481 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9482 (option): Adjust calls to create_option.
9484 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9486 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9488 2006-01-22 Paul Brook <paul@codesourcery.com>
9489 Peter Barada <peter@the-baradas.com>
9491 * config/m68k/m68k.md: Add Coldfire FPU support.
9492 Define FP mode macro and associated attributes.
9493 Use it for float mode patterns.
9494 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9495 (LIBCALL_VALUE): Use m68k_libcall_value.
9496 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9497 (m68k_function_value): Ditto.
9498 (emit_move_sequence): Ditto.
9499 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9500 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9501 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9502 (MULTILIB_EXCEPTIONS): Ditto.
9503 * config/m68k/m68k.opt: Add mcfv4e.
9504 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9505 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9506 (m68k_output_function_prologue): Save ColdFire FPU registers.
9507 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9508 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9509 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9510 ColdFire FPU registers.
9511 (m68k_libcall_value, m68k_function_value): New functions.
9512 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9513 (LIBCALL_VALUE): Use m68k_libcall_value.
9514 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9515 (MASK_COLDFIRE): Add MASK_CFV4E.
9516 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9517 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9518 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9519 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9520 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9521 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9522 * doc/invoke.tex: Document -mcfv4e on m68k.
9524 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9526 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9529 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9532 * c-opts.c (c_common_handle_option): Don't include
9533 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9534 * doc/invoke.texi (C++ Dialect Options): Document that
9535 -Wnon-virtual-dtor is no longer included in -Wall.
9537 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9539 * gcov.c (print_version), gcov-dump.c (print_version),
9540 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9543 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9545 * df-scan.c (problem_SCAN): Added NULL reset function.
9546 (df_scan_reset_blocks): Added code to call reset block function
9547 (df_bb_refs_delete) Fixed comment.
9548 (df_insn_refs_delete): Made tolerant of deleting non existent info
9549 for dataflow problems that need to be reset.
9550 * df-core.c (df_set_blocks): Ditto.
9551 * df.h (struct df_problem): Added reset_fun.
9552 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9553 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9554 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9555 functions to clear out all references to def-use or use-def chains.
9557 2006-01-21 Ben Elliston <bje@au.ibm.com>
9559 * varasm.c (assemble_real): Initialise data array.
9561 2006-01-20 Paul Brook <paul@codesourcery.com>
9563 Merge from csl-arm-branch.
9564 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9565 * config/arm/arm.md (movdi): Force operands[1] to a register
9566 if we have a non-register source.
9567 (*arm_movdi, *movdf_soft_insn): Require that one of the
9568 operands be a register.
9569 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9570 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9572 2006-01-20 DJ Delorie <dj@redhat.com>
9574 * varasm.c (initialize_constant_valid_p): Allow pointers
9575 initialized from integer constants of lesser precision.
9576 (output_constant): Allow non-int-sized pointer modes to be
9577 initialized from integer constants.
9579 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9582 * cppdefault.h (struct default_include): Add multilib flag.
9583 * cppdefault.c (cpp_include_defaults): Set it.
9584 * c.opt (-imultilib): New option.
9585 * c-opts.c (imultilib): New.
9586 (c_common_handle_option): Handle -imultilib.
9587 (c_common_post_options): Likewise.
9588 * c-incpath.c (add_standard_paths, register_include_chains):
9590 * c-incpath.h (register_include_chains): Add extra parameter.
9591 * gcc.c (do_spec_1): Generate -imultilib option.
9592 (The Specs Language): Update %I description.
9593 (process_command): Update copyright notice.
9594 * doc/cppopts.texi (-imultilib): Document.
9595 * doc/invoke.texi (-imultilib): Include in option summary.
9596 (%I): Update specs documentation.
9598 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9600 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9602 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9604 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9607 2006-01-20 Richard Guenther <rguenther@suse.de>
9608 Steven Bosscher <stevenb.gcc@gmail.com>
9610 PR rtl-optimization/24626
9611 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9612 EDGE_TRUE_VALUE if in RTL mode.
9615 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9616 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9618 2006-01-20 Dirk Mueller <dmueller@suse.com>
9621 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9622 instead of a special NOP marker.
9623 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9624 NOP marker handling.
9625 * c-common.h (empty_body_warning): Add forward declaration.
9626 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9627 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9629 2006-01-20 Paul Brook <paul@codesourcery.com>
9631 * Makefile.in (lang_checks): Keep going if mkdir fails.
9633 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9635 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9636 be able to clean out basic block when not necessary.
9637 (df_scan_free): Fixed to properly delete information if df is
9638 unused before calling df_finish.
9639 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9640 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9642 (df_bb_refs_delete): New function.
9643 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9644 * df-core.c (df_set_blocks): Added code to properly clean out
9645 unused blocks if they are not part of the blocks to consider.
9646 Added additional null check.
9647 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9648 be able to clean out basic block when not necessary
9649 * df.h (df_free_bb_function): Ditto.
9650 (df_bb_refs_delete): New function.
9651 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9652 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9653 basic block parameter to be able to clean out basic block when not
9655 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9656 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9657 Fixed to properly delete information if df is unused before
9660 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9662 PR rtl-optimization/25799
9663 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9664 Corrected confluence operator to remove bits from op2 before oring
9665 with op1 rather than removing bits from op1.
9666 (df_ru_transfer_function): Corrected test on wrong bitmap which
9667 caused infinite loop. Both of these problems were introduced in
9668 the dataflow rewrite.
9670 2006-01-19 DJ Delorie <dj@redhat.com>
9672 * reload1.c (find_reload_regs): Note the details of reload
9673 failures in the dump file.
9674 (spill_failure): Likewise.
9676 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9678 * loop-iv.c: Include df.h and hashtab.h.
9679 (enum iv_grd_result): New enum.
9680 (DF_REF_IV, DF_REF_IV_SET): New macros.
9681 (struct biv_entry): New.
9682 (df, bivs): New global variables.
9683 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9684 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9686 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9687 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9688 analyzed_for_bivness_p, record_biv): New functions.
9689 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9690 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9691 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9693 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9695 (iv_number_of_iterations): Use new interface to iv analysis.
9696 * loop-unroll.c: Do not include varray.h.
9697 (analyze_iv_to_split_insn): Use new interface to iv
9699 * loop-unswitch.c (may_unswitch_on): Ditto.
9700 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9702 (df_bb_modify): Realloc tables to the new index.
9703 (df_find_use): New function.
9704 * df.h (df_find_use): Declare.
9705 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9707 * cfgloop.h (struct rtx_iv): Remove analysed field.
9708 (iv_get_reaching_def): Removed.
9709 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9710 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9711 (loop-iv.o): Add df.h and hashtab.h dependency.
9712 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9714 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9717 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9719 (__floatundisf, __floatundidf): Likewise.
9720 * libgcc2.h (IS_IBM_EXTENDED): Define.
9722 2006-01-19 DJ Delorie <dj@redhat.com>
9724 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9726 2006-01-19 Paul Brook <paul@codesourcery.com>
9728 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9729 as nothrow when unwinding tables are disabled.
9731 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9734 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9735 of bit-field" when in system header.
9737 2006-01-19 DJ Delorie <dj@redhat.com>
9739 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9740 the 16 bit shift limit of the m16c.
9742 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9745 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9746 * config/i386/i386.c (output_set_got): Output the label if we have one
9747 for the TARGET_DEEP_BRANCH_PREDICTION case.
9749 2006-01-19 Jan Hubicka <jh@suse.cz>
9750 H.J. Lu <hongjiu.lu@intel.com>
9751 Evandro Menezes <evandro.menezes@amd.com>
9753 * invoke.texi (generic): Document
9755 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9756 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9757 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9758 (x86_use_incdec, x86_pad_returns): New variables
9759 (TARGET_CPU_DEFAULT_generic): New constant
9760 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9761 (enum processor_type): Add generic32 and generic64.
9762 * i386.md (cpu attribute): Add generic32/generic64
9763 (movhi splitter): Behave sanely when both partial_reg_dependency and
9764 partial_reg_stall are set.
9765 (K8 splitters): Enable for generic as well.
9766 * predicates.md (incdec_operand): Use TARGET_INCDEC
9767 (aligned_operand): Avoid memory mismatch stalls.
9768 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9769 * ppro.md: Enable for generic32
9770 * i386.c (generic64_cost, generic32_cost): New.
9771 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9772 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9773 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9774 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9775 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9776 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9777 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9778 x86_accumulate_outgoing_args, x86_prologue_using_move,
9779 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9780 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9782 (x86_use_incdec, x86_pad_returns): New.
9783 (override_options): Add generic32 and generic64, translate "generic"
9784 to generic32/generic64 and "i686" to "generic32", refuse
9785 "generic32"/"generic64" as arch target.
9786 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9787 (ix86_reorg): Honor PAD_RETURNS.
9789 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9791 * tree-pretty-print.c (dump_generic_node): Handle
9792 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9793 * cgraph.c (cgraph_expand_queue): Rename from
9794 cgraph_analyze_queue. Update all users.
9795 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9796 cgraph_expand_queue.
9797 (cgraph_expand_all_functions): Likewise.
9798 (cgraph_finalize_pending_functions): Remove. Update callers.
9800 * tree.h (OMP_DIRECTIVE_P): Define.
9801 (OMP_PARALLEL_FN): Define.
9802 (OMP_PARALLEL_DATA_ARG): Define.
9803 (OMP_SECTIONS_SECTIONS): Define.
9804 * tree-pass.h (pass_expand_omp): Declare.
9805 * omp-low.c (struct omp_region): Declare.
9806 (struct omp_context): Remove fields 'parallel_type',
9807 'parallel_start_ix' and 'parallel_start_additional_args'.
9809 (struct omp_for_data): Rename from struct expand_omp_for_data.
9810 (omp_regions): New static variable.
9811 (root_omp_region): New static variable.
9812 (find_omp_clause): Make static.
9813 (is_in_combined_parallel_ctx): Remove.
9814 (is_combined_parallel): New.
9815 (extract_omp_for_data): Move earlier in the file.
9816 (workshare_safe_to_combine_p): New.
9817 (get_ws_args_for): New.
9818 (determine_parallel_type): Move earlier in the file.
9819 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9821 (omp_copy_decl): Likewise.
9822 (create_omp_child_function): Likewise.
9823 (lookup_omp_region): New.
9824 (dump_omp_region): New.
9825 (debug_omp_region): New.
9826 (debug_all_omp_regions): New.
9827 (new_omp_region): New.
9828 (scan_omp_parallel): If parallel_nesting_level > 1, the
9829 directive is nested within another parallel directive.
9830 Set OMP_PARALLEL_FN.
9831 (scan_omp_for): Do not try to handle combined parallel+for
9833 Remove FIXME comment.
9834 (scan_omp_nested): Remove.
9835 (scan_omp_1): Do not call scan_omp_nested when
9836 parallel_nesting_level is > 1.
9837 Do not change the DECL_CONTEXT of local variables found.
9838 (lookup_decl_in_outer_ctx): New.
9839 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9840 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9841 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9842 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9843 If CTX is nested, lookup VAR in the outer context when
9844 building copy assignment.
9845 (lower_send_clauses): Rename from expand_send_clauses.
9846 If CTX is nested, lookup VAR in the outer context when
9847 building copy assignments.
9848 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9849 If CTX is nested, lookup VAR in the outer context when
9850 building copy assignments.
9851 (expand_parallel_call): Rename from build_parallel_call.
9852 Handle combined parallel+workshare cases.
9853 Re-implement to emit code into the CFG.
9855 (expand_omp_parallel): Re-implement to emit code into the CFG.
9856 Call move_sese_region_to_fn to outline the sub-graph
9857 containing the parallel region.
9858 (expand_omp_for_1): Remove.
9859 (expand_omp_for_generic): Re-implement to emit code into the
9861 (expand_omp_for_static_nochunk): Likewise.
9862 (expand_omp_for_static_chunk): Likewise.
9863 (expand_omp_for): Likewise.
9864 (expand_omp_sections): Likewise.
9865 (remove_exit_barriers): New.
9866 (expand_omp_synch): New.
9868 (build_omp_regions_1): New.
9869 (build_omp_regions): New.
9870 (execute_expand_omp): New.
9871 (gate_expand_omp): New.
9872 (pass_expand_omp): Define.
9873 (lower_omp_sections): Rename from expand_omp_sections.
9874 Set OMP_SECTIONS_SECTIONS.
9875 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9876 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9877 (lower_omp_single): Rename from expand_omp_simple.
9878 (lower_omp_master): Rename from expand_omp_master.
9879 (lower_omp_ordered): Rename from expand_omp_ordered.
9880 (lower_omp_critical): Rename from expand_omp_critical.
9881 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9882 (lower_omp_for): Re-implement.
9883 (lower_omp_parallel): Re-implement.
9884 (lower_regimplify): Rename from expand_regimplify.
9885 (lower_omp_1): Rename from expand_omp_1.
9886 If there are syntax errors in the program, replace every
9887 OpenMP directive with NOP.
9888 Call lower_omp_* instead of expand_omp_*.
9889 (lower_omp): Rename from expand_omp.
9891 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9892 * tree-gimple.h (enum omp_parallel_type): Remove.
9893 (gimple_boolify): Declare extern.
9894 (find_omp_clause, determine_parallel_type): Remove.
9896 * gimple-low.c (lower_omp_directive): New.
9897 (lower_stmt): Call it.
9898 (record_vars_into): Move from ...
9899 (record_vars): ... here.
9900 Call record_vars_into with current_function_decl.
9902 * gimplify.c (struct gimplify_ctx): Remove fields
9903 combined_pre_p and combined_ctxp. Update users.
9904 (get_formal_tmp_var): Add documentation.
9905 (gimple_boolify): Make extern.
9906 (gimplify_expr_in_ctx): Remove. Update callers.
9907 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9908 will always be a BIND_EXPR.
9909 (gimplify_expr): Handle OMP_RETURN_EXPR.
9910 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9911 (OMP_PARALLEL): Add 3 operands.
9912 (OMP_SECTIONS): Add 1 operand.
9913 (OMP_RETURN_EXPR): Define.
9915 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9916 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9917 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9918 creating a circular free list.
9919 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9921 * tree-flow.h (move_sese_region_to_fn): Declare.
9922 (record_vars_into): Declare.
9923 * tree-cfg.c (make_omp_sections_edges): New.
9924 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9925 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9926 OMP_SECTIONS and OMP_SECTION.
9927 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9928 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9929 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9930 (gather_blocks_in_sese_region): New.
9931 (struct move_stmt_d): Declare.
9933 (move_block_to_fn): New.
9934 (move_sese_region_to_fn): New.
9936 * passes.c (init_optimization_passes): Schedule
9937 pass_expand_omp after pass_init_datastructures.
9939 * tree-ssa-operands.c (get_expr_operands): Handle
9940 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9941 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9943 2006-01-19 Jeff Law <law@redhat.com>
9945 * tree-vrp.c (extract_range_from_assert): Refine the result range
9946 if the variable referenced by the ASSERT_EXPR has a range and
9947 either the tentative result range or the previous range is a
9950 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9952 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9954 2006-01-19 Jan Hubicka <jh@suse.cz>
9956 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9958 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9960 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9961 (expand_compound_operation, expand_field_assignment): Fail if the
9962 bit lengths of an extract operation are out of range.
9963 (make_extraction): Compute wanted_inner_mode based on the position
9964 and length of the extraction. Make it extraction_mode for non-constant
9965 positions, and do not modify offset in that case. When generating a
9966 new MEM, use a mode that can hold the extraction while keeping correct
9967 alignment. Remove code that supported MEMs wrapped by USEs.
9968 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9970 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9972 * config/s390/s390.md ("Y", "y"): New mode attribute.
9973 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9974 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9975 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9976 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9977 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9978 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9979 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9980 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9981 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9982 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9983 "addsi3", "subsi3"): Insn patterns removed.
9984 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9985 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9986 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9987 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9988 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9989 "*sub<mode>3_cconly2"): New insn patterns.
9990 ("addsi3", "subsi3"): New expanders.
9992 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9994 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9995 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9996 existing STMT_VINFO_VECTYPE if available.
9997 (vect_mark_relevant): Add special handling for stmts that are
9998 marked as STMT_VINFO_IN_PATTERN_P.
9999 (vect_analyze_loop): Call vect_pattern_recog.
10000 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10001 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10003 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10004 (vect_recog_func_ptr): New function-pointer type.
10005 * tree-vect-patterns.c: New file.
10006 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10007 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10008 (vect_pattern_recog_1): New functions.
10009 (vect_pattern_recog_funcs): New array of function pointers.
10011 * tree-vectorizer.h (ternary_op): New enum value.
10012 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10013 declaration. Revised documentation. Removed redundant dump prints.
10014 Removed redundant argument. Added support for reduction patterns.
10015 (vectorizable_reduction): Added support for reduction patterns.
10016 (vect_transform_stmt): Added support for patterns.
10018 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10019 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10020 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10021 (expand_widen_pattern_expr): New function.
10022 (init_optabs): Initialize new optabs udot_prod_optab,
10024 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10025 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10026 (expand_widen_pattern_expr): New function declaration.
10027 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10029 * tree-inline.c (estimate_num_insns_1): Added cases for new
10030 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10031 * tree-pretty-print.c (dump_generic_node): Likewise.
10032 (op_prio): Likewise.
10033 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10034 * tree-ssa-operands.c (get_expr_operands): Added case for
10036 * tree-vect-patterns.c (widened_name_p): New function.
10037 (vect_recog_dot_prod_pattern): Added function implementation.
10038 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10039 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10040 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10041 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10043 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10044 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10045 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10046 (init_optabs): Initialize new optabs widen_ssum_optab,
10048 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10049 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10050 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10051 use instead of type of def.
10052 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10053 function implementation.
10054 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10055 widen_ssumv8hi): New.
10057 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10060 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10063 * c-decl.c (add_flexible_array_elts_to_size): New function.
10064 (finish_decl): Use it.
10066 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10068 * diagnostic.h: Include options.h.
10069 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10070 dependancies for diagnostic.h.
10071 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10073 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10075 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10076 (ssa_ro_call_cache_valid): Ditto.
10077 * tree-ssa-alias.c (sort_tags_by_id): New function.
10078 (init_transitive_clobber_worklist): Ditto.
10079 (add_to_worklist): Ditto.
10080 (mark_aliases_call_clobbered): Ditto.
10081 (compute_tag_properties): Ditto.
10082 (set_initial_properties): Ditto.
10083 (compute_call_clobbered): Ditto.
10084 (compute_may_aliases): Call compute_call_clobbered and grouping.
10085 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10086 (compute_flow_insensitive_aliasing): Grouping now happens in our
10088 (setup_pointers_and_addressables): Remove clobbering related code.
10089 (add_may_alias): Ditto.
10090 (replace_may_alias): Ditto.
10091 (get_nmt_for): Ditto.
10092 (create_global_var):
10093 (is_escape_site): Return an escape_type enumeration.
10094 * tree-flow-inline.h (is_call_clobbered): Global var does not
10095 imply call clobbered.
10096 (mark_call_clobbered): Take a reason for marking this. Remove
10097 marking of globalness, and cache invalidation.
10098 (clear_call_clobbered): Remove cache invalidation code.
10099 * tree-dfa.c (dump_variable): If details is on, dump the reason
10101 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10103 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10104 (struct var_ann_d): Ditto.
10105 (enum escape_type): New.
10106 (mark_call_clobbered): Adjust prototype.
10107 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10108 are never call clobbered.
10109 Record reasons for escaping.
10110 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10111 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10112 (ssa_ro_call_cache_valid): Ditto.
10113 (clobbered_v_may_defs): Ditto.
10114 (clobbered_vuses): Ditto.
10115 (ro_call_vuses): Ditto.
10116 (clobber_stats): New.
10117 (init_ssa_operands): Zero out clobber stats.
10118 (fini_ssa_operands): Print out clobber stats.
10119 (get_call_expr_operands): Pass callee fndecl to
10120 add_call_read_ops).
10121 (add_call_clobber_ops): Remove use of cache.
10122 Add use of PURE_CONST information.
10123 (add_call_read_ops): Remove use of cache.
10124 Add use of static not_read information.
10126 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10128 Introduce TLS descriptors for i386 and x86_64.
10129 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10130 (TARGET_ANY_GNU_TLS): New macro.
10131 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10132 (struct machine_function): Add tls_descriptor_call_expanded_p.
10133 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10134 (ix86_current_function_calls_tls_descriptor): Likewise.
10135 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10136 (override_options): Introduce gnu2 tls dialect.
10137 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10139 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10141 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10142 (ix86_init_machine_status): Initialize new field.
10143 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10144 (ix86_tls_module_base): New.
10145 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10146 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10147 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10148 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10149 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10150 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10151 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10152 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10153 * config/i386/predicates.md (tls_modbase_operand): New.
10154 (tp_or_register_operand): New.
10156 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10158 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10159 (look_for_address_of): Ditto.
10160 (ipa_init): Walk the function decls.
10161 (static_execute): Don't set readonly on FUNCTION_DECL's.
10163 2006-01-18 Roger Sayle <roger@eyesopen.com>
10165 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10166 for shifts where the source and destination registers are different.
10168 2006-01-18 Paul Brook <paul@codesourcery.com>
10170 Merge from csl-arm-branch.
10171 2005-03-14 Julian Brown <julian@codesourcery.com>
10172 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10173 (aeabi_llsl): Likewise.
10174 (ashrdi3): Likewise.
10175 (aeabi_lasr): Likewise.
10176 (lshrdi3): Likewise.
10177 (aeabi_llsr): Likewise.
10178 2005-03-10 Julian Brown <julian@codesourcery.com>
10179 * config.gcc: Disable shared libgcc for SymbianOS.
10180 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10182 2006-01-18 DJ Delorie <dj@redhat.com>
10184 * c-pragma.c (handle_pragma_diagnostic): New.
10185 (init_pragma): Register it.
10186 * doc/extend.texi: Document it.
10188 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10189 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10190 (diagnostic_context): Add classify_diagnostic[].
10191 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10192 as errors if they're overridden to DK_WARNING.
10193 (diagnostic_initialize): Initialize classify_diagnostic[].
10194 (diagnostic_set_kind_override): New.
10195 (diagnostic_report_diagnostic): Check for kind changes.
10196 * opts.c (common_handle_option): Take lang_mask. Update callers.
10197 Handle OPT_Werror_.
10198 * common.opt (Werror=): New.
10199 * doc/invoke.texi: Document -Werror=*
10201 2006-01-18 Jeff Law <law@redhat.com>
10203 * tree-vrp.c (test_for_singularity): Correct test for new
10204 min limit. Use operand_equal_p rather than pointer equality
10205 for testing if new min/max values are equal.
10207 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10208 using range information until after propagation and folding.
10210 2006-01-18 Richard Henderson <rth@redhat.com>
10211 Aldy Hernandez <aldyh@redhat.com>
10212 Jakub Jelinek <jakub@redhat.com>
10213 Diego Novillo <dnovillo@redhat.com>
10215 * omp-low.c: New file.
10216 * c-omp.c: New file.
10218 2006-01-18 Richard Henderson <rth@redhat.com>
10219 Jakub Jelinek <jakub@redhat.com>
10220 Diego Novillo <dnovillo@redhat.com>
10222 * doc/invoke.texi: Document -fopenmp.
10223 * tree-dump.h (debug_function): Declare.
10224 * hooks.c (hook_bool_tree_bool_false): New function.
10225 (hook_tree_tree_null): Remove.
10226 (hook_tree_tree_tree_null): New.
10227 * hooks.h: Update to match.
10228 * tree-pretty-print.c (debug_tree_chain): New.
10229 (print_generic_expr): Handle TDF_CHAIN.
10230 (dump_generic_node): Handle BLOCK.
10231 Do not abort with incomplete SWITCH_EXPRs.
10232 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10233 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10234 print space after directive name.
10235 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10236 Handle OMP_MASTER and OMP_ORDERED.
10237 Handle printing of OMP_BODY just in one place, goto
10238 dump_omp_body in the rest of OMP_* nodes that have
10240 Don't handle clause nodes here. Update omp statements to
10241 use dump_omp_clauses.
10242 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10243 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10244 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10245 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10246 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10247 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10248 Adjust output for GOMP_PARALLEL.
10249 (dump_omp_clauses): New.
10250 (print_declaration): Dump DECL_VALUE_EXPR.
10251 (op_symbol_1): Split out of op_symbol.
10252 (dumping_stmts): Remove. Update all users.
10253 * cgraph.c (cgraph_analyze_queue): New.
10254 (cgraph_add_new_function): New.
10255 * cgraph.h (cgraph_analyze_queue): Declare.
10256 (cgraph_add_new_function): Declare.
10257 (cgraph_lower_function): Remove.
10258 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10259 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10260 and TYPE_P nodes in its default clause.
10261 (empty_body_p): New.
10262 (tree_range_check_failed): New.
10263 (build5_stat): New.
10264 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10265 OMP_CLAUSE_REDUCTION_MERGE,
10266 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10267 OMP_CLAUSE_PRIVATE_DEBUG,
10268 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10269 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10270 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10271 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10272 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10273 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10274 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10275 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10276 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10277 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10278 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10279 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10280 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10281 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10282 (TREE_RANGE_CHECK): New.
10283 (empty_body_p): Declare.
10284 (enum omp_clause_default_kind): New.
10285 (build_string_literal): Declare.
10286 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10287 (build5_stat, build5): Declare.
10288 * tree-pass.h (TDF_CHAIN): Define.
10289 * tree-pass.h (PROP_gimple_lomp): Define.
10290 (pass_lower_omp): Declare.
10291 * diagnostic.h (debug_tree_chain): Declare.
10292 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10294 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10295 * builtins.c (build_string_literal): Make extern.
10296 * gcc.c (include_spec_function): New.
10297 (static_spec_functions): Add it.
10298 (main): Move load of libgomp.spec ...
10299 (LINK_COMMAND_SPEC): ... here.
10300 (link_gomp_spec): New.
10301 (static_specs): Include it.
10302 (LINK_COMMAND_SPEC): Add link_gomp.
10303 (GOMP_SELF_SPECS): New.
10304 (driver_self_specs): Include it.
10305 (switch_matches): Don't mark inline.
10306 (main): Load libgomp.spec.
10307 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10308 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10309 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10310 * tree-gimple.h (enum omp_parallel): Declare.
10311 (determine_parallel_type): Declare.
10312 (omp_firstprivatize_variable): Declare.
10313 (omp_reduction_init): Declare.
10314 (diagnose_omp_structured_block_errors): Declare.
10315 (struct walk_stmt_info): Add want_return_expr.
10316 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10317 (find_omp_clause): Declare.
10318 (insert_field_into_struct): Declare.
10319 (struct walk_stmt_info): Move from tree-nested.c
10320 (walk_stmts): Declare.
10321 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10323 * cgraphunit.c (cgraph_lower_function): Make static.
10324 (cgraph_finalize_pending_functions): New.
10325 (cgraph_finalize_function): Call it.
10326 (cgraph_finalize_compilation_unit): Likewise.
10327 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10328 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10329 (BT_FN_UINT_UINT): New.
10330 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10331 DEF_FUNCTION_TYPE_VAR_4): Document.
10332 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10333 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10334 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10335 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10336 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10337 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10338 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10339 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10340 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10341 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10342 into separate files.
10343 (DEF_GOMP_BUILTIN): New.
10344 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10345 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10346 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10347 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10348 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10349 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10350 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10351 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10352 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10353 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10354 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10355 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10356 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10357 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10358 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10359 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10360 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10361 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10362 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10363 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10364 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10365 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10366 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10367 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10368 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10369 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10370 * sync-builtins.def: New file, moved from builtins.def.
10371 * omp-builtins.def: New file, moved from builtins.def.
10372 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10373 * gimple-low.c (lower_function_body): Clear data.
10374 (lower_stmt): Do not handle COMPOUND_EXPR.
10375 Remove call to print_node_brief.
10376 * c-tree.h (c_finish_omp_clauses): New prototype.
10377 (C_DECL_THREADPRIVATE_P): Define.
10378 (lookup_name_no_remap, c_omp_remap_private): Remove
10379 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10380 (check_for_loop_decls): Update decl.
10381 (lookup_name_no_remap, c_omp_remap_private): Declare.
10382 (build_indirect_ref, build_modify_expr, pushdecl,
10383 pushdecl_top_level): Move to c-common.h.
10384 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10385 before the switch, but just in the 2 places that need it.
10386 * c-decl.c (diagnose_mismatched_decls): Do not check for
10387 mismatched thread-local attributes when OLDDECL is marked
10388 threadprivate and NEWDECL has no thread-local attributes.
10389 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10390 (c_gimple_diagnostics_recursively): Rename from
10391 c_warn_unused_result_recursively. Invoke
10392 diagnose_omp_structured_block_errors.
10393 (check_for_loop_decls): Return a singular decl found.
10394 * langhooks.c (lhd_omp_predetermined_sharing): Return
10395 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10396 (lhd_omp_firstprivatize_type_sizes): New.
10397 (lhd_omp_assignment): New.
10398 (lhd_omp_predetermined_sharing): New.
10399 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10400 (struct lang_hooks_for_types): Add
10401 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10402 omp_predetermined_sharing, omp_disregard_value_expr,
10403 omp_private_debug_clause, omp_clause_default_ctor,
10404 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10405 (c_finish_omp_clauses): New.
10406 (c_finish_bc_stmt): Diagnose break within omp for.
10407 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10408 (build_unary_op): Return error_mark after reporting
10410 (build_modify_expr): Likewise.
10411 * gimplify.c: Include optabs.h and pointer-set.h.
10412 (enum gimplify_omp_var_data): Declare.
10413 (struct gimplify_omp_ctx): Declare.
10414 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10416 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10417 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10418 (splay_tree_compare_decl_uid): New.
10419 (new_omp_context): New.
10420 (delete_omp_context): New.
10421 (gimple_add_tmp_var): Call omp_add_variable.
10422 (gimplify_bind_expr): Likewise.
10423 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10424 true, disregard DECL_VALUE_EXPR on the decl if any.
10425 (gimplify_expr_in_ctx): New.
10426 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10427 omp_add_variable, omp_notice_variable, omp_is_private
10428 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10429 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10430 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10431 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10432 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10433 gimplify_omp_atomic): New.
10434 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10435 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10436 OMP_CRITICAL and OMP_ATOMIC.
10437 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10438 * c-pragma.h (enum pragma_kind): Add
10439 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10440 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10441 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10442 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10443 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10444 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10445 PRAGMA_OMP_THREADPRIVATE.
10446 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10447 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10448 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10449 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10450 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10451 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10452 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10453 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10454 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10455 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10456 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10457 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10458 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10460 (struct nesting_info): Add field_map,
10461 suppress_expansion, debug_var_chain.
10462 (create_nesting_tree): Initialize them.
10463 (lookup_field_for_decl): Use field_map.
10464 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10465 (convert_local_omp_clauses): New.
10466 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10467 (walk_body): Split out of walk_function.
10468 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10469 (convert_nonlocal_reference): Handle omp statements.
10470 (convert_local_reference): Likewise.
10471 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10472 (unnest_nesting_tree): New.
10473 (lower_nested_functions): Call it.
10474 (insert_field_into_struct): Make extern.
10475 (struct walk_stmt_info): Move to tree-gimple.h.
10476 (walk_stmts): Make extern.
10477 * omp-builtins.def: New file.
10478 * tree-iterator.c (expr_only): Clarify comment.
10479 * c-common.h (pushdecl_top_level, pushdecl,
10480 build_modify_expr, build_indirect_ref,
10481 c_finish_omp_master, c_finish_omp_critical,
10482 c_finish_omp_ordered, c_finish_omp_barrier,
10483 c_finish_omp_atomic, c_finish_omp_flush,
10484 c_finish_omp_for, c_split_parallel_clauses,
10485 omp_clause_default_kind, c_omp_sharing_predetermined,
10486 c_omp_remap_decl): Declare.
10487 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10488 (OBJS-common): Add omp-low.o.
10489 (c-omp.o, omp-low.o): Add.
10490 (gimplify.o): Add dependency on $(OPTABS_H).
10491 (GTFILES): Add omp-low.c.
10492 (gt-stringpool.h): Add.
10493 * tree-cfg.c (set_bb_for_stmt): Do not update the
10494 block-to-labels map if we are currently expanding to RTL.
10495 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10497 Handle IDENTIFIER_NODE.
10498 (tree_verify_flow_info): Do not ICE when emitting error
10499 messages about invalid labels.
10500 (dump_function_to_file): Reset CFUN before emitting the body
10502 (debug_function): New.
10503 * passes.c (init_optimization_passes): Schedule
10505 * langhooks-def.h (lhd_omp_predetermined_sharing,
10506 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10508 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10509 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10510 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10511 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10512 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10513 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10514 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10515 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10516 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10517 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10518 (LANG_HOOK_DECLS): Use them.
10520 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10521 Richard Henderson <rth@redhat.com>
10522 Jakub Jelinek <jakub@redhat.com>
10523 Diego Novillo <dnovillo@redhat.com>
10525 * c-parser.c (pragma_omp_clause): Define.
10526 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10527 (c_parser_compound_statement): Likewise.
10528 (c_parser_statement): Likewise.
10529 (c_parser_pragma): Handle omp pragmas.
10530 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10531 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10532 (c_parser_omp_clause_name, check_no_duplicate_clause,
10533 c_parser_omp_variable_list,
10534 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10535 c_parser_omp_clause_copyprivate,
10536 c_parser_omp_clause_default,
10537 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10538 c_parser_omp_clause_lastprivate,
10539 c_parser_omp_clause_nowait,
10540 c_parser_omp_clause_num_threads,
10541 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10542 c_parser_omp_clause_reduction,
10543 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10544 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10545 c_parser_omp_atomic, c_parser_omp_barrier,
10546 c_parser_omp_critical, c_parser_omp_flush,
10547 c_parser_omp_for_loop, c_parser_omp_for,
10548 c_parser_omp_master, c_parser_omp_ordered,
10549 c_parser_omp_sections_scope, c_parser_omp_sections,
10550 c_parser_omp_parallel, c_parser_omp_single,
10551 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10552 * c-pragma.c (init_pragma): Do omp pragma registration here.
10553 * c.opt (fopenmp): New flag.
10555 2006-01-18 Eric Christopher <echristo@apple.com>
10557 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10558 * config/darwin.h (GOMP_SELF_SPECS): Define.
10560 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10562 * rtl.h: Remove the prototype for reg_alloc.
10564 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10567 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10568 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10569 sjlj and dwarf2 exception handling.
10570 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10571 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10572 * pa/pa.c (function_value): Treat complex and vector types as
10574 (function_arg): Likewise. Only pass scalar floats in the floating
10575 point argument registers.
10576 * pa/t-slibgcc-dwarf-ver: New file.
10577 * pa/t-slibgcc-sjlj-ver: New file.
10578 * pa/t-slibgcc-elf-ver: Delete file.
10580 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10582 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10583 unlikely_test_section_p test.
10585 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10587 * mode-switching.c (optimize_mode_switching): Make it static.
10588 * basic-block.h: Remove the prototype for
10589 optimize_mode_switching.
10591 * modulo-sched.c (sms_schedule): Make it static.
10592 * rtl.h: Remove the prototype for sms_schedule.
10594 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10595 * rtl.h: Remove the prototype for gcse_after_reload_main.
10597 * reg-stack.c (reg_to_stack): Make it static.
10598 * rtl.h: Remove the prototype for reg_to_stack.
10600 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10602 * rtl.h: Remove the prototypes for regrename_optimize and
10603 copyprop_hardreg_forward.
10605 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10607 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10608 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10609 Test against the appropriate null constant for the mode.
10610 If 'fixup_overlap' is true, swap the operands if they overlap.
10611 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10612 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10613 alpha_split_tmode_pair and adjust for above change.
10614 * config/alpha/alpha.md (movtf_internal): Adjust call to
10615 alpha_split_tfmode_pair and rely on it to swap the operands.
10616 (movti_internal): New insn and post-reload splitter.
10617 (movti): New expander.
10619 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10621 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10624 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10626 * rtlanal.c (global_reg_mentioned_p_1,
10627 global_reg_mentioned_p): Remove.
10628 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10630 * flow.c (initialize_uninitialized_subregs): Make it static.
10631 * rtl.h: Remove the prototype for
10632 initialize_uninitialized_subregs.
10634 * function.c (instantiate_virtual_regs): Make it static.
10635 * function.h: Remove the prototype for
10636 instantiate_virtual_regs.
10638 * regmove.c (regmove_optimize, combine_stack_adjustments):
10640 * rtl.h: Remove the prototypes for regmove_optimize and
10641 combine_stack_adjustments.
10643 2006-01-17 Roger Sayle <roger@eyesopen.com>
10645 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10646 (size_cost): Encode costs in bytes so that a reg-reg addition is
10647 equivalent to COSTS_N_INSNS(1).
10648 (override_options): Use the size_cost.branch_cost as the default
10649 ix86_branch_cost when optimizing for size.
10651 2006-01-18 Ben Elliston <bje@au.ibm.com>
10653 * Makefile.in (D32PBIT_FUNCS): New.
10654 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10655 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10656 D64PBIT_FUNCS and D128PBIT_FUNCS.
10657 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10658 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10660 (decnumber_dep): Define.
10661 * doc/libgcc.texi (Decimal float library routines): New node.
10662 * config/dfp-bit.h, config/dfp-bit.c: New files.
10664 2006-01-18 Ben Elliston <bje@au.ibm.com>
10666 * expr.c (emit_move_change_mode): Always adjust addresses, not
10667 just during reload. Copy replacements only during reload.
10668 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10669 emit_move_via_integer.
10671 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10673 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10674 instead of $(srcdir) and ${srcdir}.
10676 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10679 PR middle-end/11135
10680 * arm.h (struct machine_function): Add pic_reg.
10681 * arm.c (arm_pic_register): Make unsigned.
10682 (arm_override_options): Only set arm_pic_register if
10683 TARGET_SINGLE_PIC_BASE.
10684 (use_return_insn): Only test for a pic register if it is fixed.
10685 (arm_compute_save_reg0_reg12_mask): Likewise.
10686 (thumb_compute_save_reg_mask): Likewise.
10687 (legitimate_pic_operand): Factor out some known invariants.
10688 (legitimize_pic_address): If we don't have a fixed pic register,
10689 then set up a pseudo in the function entry sequence. Handle the
10690 pic base being in a pseudo.
10691 (arm_load_pic_register): Handle the pic register being in a pseudo.
10692 (arm_expand_prologue): Only set up the pic register if it is fixed.
10693 (thumb_expand_prologue): Likewise.
10694 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10695 (pic_load_addr_based_insn): Likewise.
10696 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10699 2006-01-18 Ben Elliston <bje@au.ibm.com>
10701 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10702 decimal float modes for all floating point registers.
10704 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10705 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10707 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10710 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10711 even when the pointer is not NULL.
10713 2006-01-16 Ian Lance Taylor <ian@airs.com>
10715 * common.opt (ftoplevel-reorder): New option.
10716 * cgraph.c (cgraph_asm_nodes): New global variable.
10717 (cgraph_asm_last_node): New static variable.
10718 (cgraph_order): New global variable.
10719 (cgraph_create_node): Set new order field.
10720 (cgraph_varpool_node): Likewise.
10721 (decide_is_variable_needed): Return true if not
10722 flag_toplevel_reorder.
10723 (cgraph_add_asm_node): New function.
10724 * cgraph.h (struct cgraph_node): Add order field.
10725 (struct cgraph_varpool_node): Add order field.
10726 (struct cgraph_asm_node): Define.
10727 (cgraph_asm_nodes, cgraph_order): Declare.
10728 (cgraph_add_asm_node): Declare.
10729 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10731 (cgraph_varpool_assemble_pending_decls): Call it.
10732 (cgraph_output_pending_asms): New static function.
10733 (cgraph_finalize_compilation_unit): Call it.
10734 (struct cgraph_order_sort): Define.
10735 (cgraph_output_in_order): New static function.
10736 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10737 !flag_toplevel_reorder case.
10738 * c-parser.c: Include "cgraph.h".
10739 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10741 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10742 than -fno-unit-at-a-time.
10743 * doc/invoke.texi (Option Summary): Mention
10744 -fno-toplevel-reorder.
10745 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10746 -funit-at-a-time documentation.
10748 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10749 Kazu Hirata <kazu@codesourcery.com>
10751 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10753 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10755 * Makefile.in (FUNCTION_H): New. Use it instead of
10756 function.h throughout the file.
10757 * function.h: Include tree.h.
10759 2006-01-17 Ben Elliston <bje@au.ibm.com>
10761 * recog.c: Separate some functions with whitespace.
10763 2006-01-16 Richard Henderson <rth@redhat.com>
10765 Merge from gomp branch:
10766 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10767 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10768 and rename from struct inline_data. Rename callee* to dst*;
10769 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10770 transform_new_cfg, transform_return_to_modify, and
10771 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10773 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10774 (copy_decl_for_dup): Remove.
10775 * tree-inline.c (struct inline_data): Move to header.
10776 (insert_decl_map): Export.
10777 (remap_decl): Update for member name changes. Use copy_decl hook.
10778 Allow for replacement to be a non-decl. Remove dead code.
10779 (remap_type_1): Check for existing mapping.
10780 (remap_type): Export.
10781 (remap_decls): Update for member name changes.
10782 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10783 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10784 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10785 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10786 (tree_function_versioning, build_duplicate_type): Likewise.
10787 (copy_body_r): Likewise. Export.
10788 (copy_decl_for_dup): Split into ...
10789 (copy_decl_for_dup_finish, copy_decl_to_var,
10790 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10791 (replace_ref_tree, inlining_p): Remove.
10793 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10795 * ifcvt.c (if_convert): Make it static.
10796 * rtl.h: Remove the prototype for if_convert.
10798 * local-alloc.c (local_alloc): Make it static.
10799 * rtl.h: Remove the prototype for local_alloc.
10801 * loop.c (loop_optimize): Make it static.
10802 * cfgloop.h: Remove the prototype for loop_optimize.
10805 2006-01-16 DJ Delorie <dj@redhat.com>
10807 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10810 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10812 * pa.md: Disparage copies between general and floating-point registers
10813 in 32-bit move patterns.
10815 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10818 * Makefile.in (check-%): Depend on site.exp instead of
10819 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10822 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10824 * global.c (global_alloc): Make it static.
10825 * rtl.h: Remove the prototype for global_alloc.
10827 2006-01-16 Richard Guenther <rguenther@suse.de>
10829 * tree-ssa-alias.c (struct used_part): Add write_only field.
10830 (get_or_create_used_part_for): Initialize it to true.
10831 (create_overlap_variables_for): Don't create structure variables
10832 for structures that only are written to.
10833 (find_used_portions): Handle MODIFY_EXPR to track whether a
10834 structure is only written to.
10836 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10838 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10840 * basic-block.h: Remove the prototype for
10841 partition_hot_cold_basic_blocks.
10843 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10845 * cppspec.c (lang_specific_spec_functions): Remove.
10846 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10847 * gcc.h (lang_specific_spec_functions): Remove.
10848 * gccspec.c (lang_specific_spec_functions): Remove.
10850 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10852 * combine.c (record_value_for_reg): Invalidate registers
10854 (record_dead_and_set_regs_1): Likewise, by passing them to
10855 record_value_for_reg.
10856 (record_dead_and_set_regs): Invalidate stores made by a
10857 call. We do not combine across a call, but we still
10858 relied on equivalences.
10860 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10862 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10863 vrp_int_const_binop returning non-constant nodes.
10865 2006-01-16 Paul Brook <paul@codesourcery.com>
10867 * config/m68k/m68k.c (output_move_const_into_data_reg):
10868 Output correct mnemonic for mvz and mvs.
10870 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10872 * rtl-factoring.c: Add sequence abstraction algorithm.
10873 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10874 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10876 (block_has_preserve_label): New function.
10877 * common.opt: Register new pass.
10878 * Makefile.in: Ditto.
10880 * timevar.def: Ditto.
10881 * tree-pass.h: Ditto.
10882 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10883 * rtl.h (make_jump_insn_raw): Add forward decl.
10884 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10886 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10887 Roger Sayle <roger@eyesopen.com>
10889 * fold-const.c (fold_minmax): New static function.
10890 (fold_binary) <MIN_EXPR>: Call it.
10891 <MAX_EXPR>: Likewise.
10892 * stor-layout.c (place_field): Use DECL_SIZE consistently
10893 in the computation of the new record size.
10895 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10897 * cse.c (cse_condition_code_reg): Make it static.
10898 * rtl.h: Remove the prototype for cse_condition_code_reg.
10900 * combine.c (combine_instructions): Make it static.
10901 * rtl.h: Remove the prototype for combine_instructions.
10903 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10906 * tree.c (get_file_function_name_long): Concatenate the first global
10907 object name with a string derived from the input filename of the object
10910 2006-01-16 Ben Elliston <bje@au.ibm.com>
10912 * config/i386/winnt-stubs.c: Update FSF address.
10913 * config/xtensa/ieee754-df.S: Ditto.
10914 * config/xtensa/ieee754-sf.S: Ditto.
10916 2006-01-14 Ian Lance Taylor <ian@airs.com>
10918 * ifcvt.c (noce_init_if_info): New static function, broken out of
10919 noce_process_if_block.
10920 (noce_process_if_block): Call noce_init_if_info.
10921 (check_cond_move_block): New static function.
10922 (cond_move_process_if_block): New static function.
10923 (process_if_block): Call cond_move_process_if_block.
10925 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10927 * cselib.c (hash_table): Rename to cselib_hash_table.
10928 (cselib_clear_table, discard_useless_values,
10929 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10930 cselib_init, cselib_finish): Adjust uses of hash_table.
10932 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10934 PR tree-optimization/25485
10935 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10936 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10937 is known to be false and true, respectively.
10939 2006-01-14 Richard Guenther <rguenther@suse.de>
10941 PR tree-optimization/22548
10942 PR tree-optimization/22555
10943 PR tree-optimization/22501
10944 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10945 * params.def (salias-max-array-elements): New parameter.
10946 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10947 * doc/invoke.texi (salias-max-array-elements): Document.
10948 * tree-flow-inline.h (var_can_have_subvars): We also handle
10950 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10952 * tree-ssa-structalias.c (params.h): Include.
10953 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10954 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10955 (get_constraint_for): For ADDR_EXPR operating on something
10956 containing an ARRAY_REF, add all subvars to the solution.
10957 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10958 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10959 for creating MUST_DEFs.
10960 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10962 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10964 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10966 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10967 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10968 number_of_iterations_le): New functions.
10969 (number_of_iterations_special): Removed.
10970 (number_of_iterations_exit): Do not use number_of_iterations_special.
10971 * tree.c (unsigned_type_for): Always return integer type.
10973 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10974 Richard Guenther <rguenther@suse.de>
10976 PR rtl-optimization/24257
10977 * gcse.c (find_moveable_store): Only consider a store movable
10978 when the SET_SRC of the insn can be assigned to a register.
10980 2006-01-14 Ian Lance Taylor <ian@airs.com>
10982 * tree.c (tree_not_class_check_failed): New function.
10983 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10984 (tree_not_class_check_failed): Declare.
10986 2006-01-13 Ian Lance Taylor <ian@airs.com>
10988 * reload1.c (do_output_reload): Add assertion rejecting a
10991 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10993 * combine.c (struct reg_stat): Add new fields truncation_label and
10995 (record_value_for_reg): Reset truncated_to_mode.
10996 (record_truncated_value): New function.
10997 (check_promoted_subreg): Call it. Rename to check_conversions.
10998 (combine_instructions): Rename check_promoted_subreg to
11000 (reg_truncated_to_mode): New function.
11001 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11002 (gen_lowpart_or_truncate): New function.
11003 (force_to_mode): Use it instead of gen_lowpart.
11005 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11007 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11008 VAR is a tag, not its type tag.
11010 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11012 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11013 alternatives to match style of other entries.
11014 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11016 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11018 PR tree-optimization/25771
11019 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11022 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11025 * tree-inline.c (declare_return_variable): If the return variable
11026 was marked as a non gimple complex, set the return slot variable
11027 to be a non gimple comple variable.
11029 2006-01-13 Richard Guenther <rguenther@suse.de>
11031 * builtins.c (expand_builtin_sincos): New function.
11032 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11034 (expand_builtin): Expand sincos using expand_builtin_sincos.
11036 2006-01-12 DJ Delorie <dj@redhat.com>
11038 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11039 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11040 so that constant shifts can be split.
11041 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11042 (m32c_valid_pointer_mode): Make static.
11043 (shift_gen_func_for): New.
11044 (m32c_prepare_shift): Use it. Split large const shifts into
11046 * config/m32c/predicates.md (shiftcount_operand): Allow more
11048 (longshiftcount_operand): New.
11049 * doc/md.texi (Machine Constraints): Document In6.
11051 2006-01-13 Ben Elliston <bje@au.ibm.com>
11053 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11054 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11057 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11059 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11060 to try to avoid clobbering pieces of structures when we know
11061 something about the whole structure.
11062 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11064 2006-01-13 Ben Elliston <bje@au.ibm.com>
11066 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11067 return in memory, as this is no limitation is no longer present.
11069 2006-01-12 DJ Delorie <dj@redhat.com>
11071 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11072 mova with fb, and for fb+0 -> An.
11074 * config/m32c/mov.md (peephole2): Fix enabling logic.
11076 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11077 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11078 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11079 FINI_ARRAY_SECTION_ASM_OP): Define.
11081 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11083 (m32c_legitimize_reload_address): New logic to reload FB to An.
11084 (m32c_output_reg_push): Add newline.
11085 (m32c_output_reg_pop): Likewise.
11087 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11089 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11091 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11093 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11095 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11097 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11100 2006-01-11 Ben Elliston <bje@au.ibm.com>
11102 * rtlanal.c (find_reg_note): Assert insn is not null.
11104 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11106 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11109 2006-01-11 Jeff Law <law@redhat.com>
11111 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11113 (mark_threaded_blocks, register_jump_thread): New functions.
11114 (thread_through_all_blocks): Remove unwanted argument. No
11115 longer rely on e->aux to communicate thread target info.
11116 Call mark_threaded_blocks. Release the threaded_blocks
11117 bitmap and threaded_edges vector when complete.
11118 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11119 (threaded_blocks): Remove.
11120 (tree_ssa_dominator_optimize): Remove initialization and
11121 finalization of threaded_blocks. Simplify call to
11122 thread_through_all_blocks.
11123 (thread_across_edge): Call register_jump_thread rather than
11124 storing thread information into e->aux.
11125 (free_all_edge_infos): Simplify now that e->aux is no longer
11126 used to communicate with thread_through_all_blocks.
11127 * tree-flow.h (thread_through_all_blocks): Update prototype.
11128 (register_jump_thread): Prototype.
11130 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11132 * df-core.c (df_compact_blocks, df_bb_replace): Use
11133 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11135 2006-01-11 Richard Guenther <rguenther@suse.de>
11137 PR tree-optimization/25734
11138 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11139 stop propagation after successful propagation to the LHS.
11141 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11143 * basic-block.h (control_flow_graph): Change the type of
11144 x_basic_block_info to VEC(basic_block,gc) *.
11145 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11147 (SET_BASIC_BLOCK): New.
11148 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11149 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11150 * cfgbuild.c (find_basic_blocks): Likewise.
11151 * cfglayout.c (fixup_reorder_chain): Likewise.
11152 * cfgrtl.c (create_basic_block_structure,
11153 rtl_create_basic_block): Likewise.
11154 * ifcvt.c (find_if_case_1): Likewise.
11155 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11158 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11160 * Makefile.in: Removed rotted odf.c entry.
11162 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11165 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11166 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11167 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11168 output pattern modifier, not %e.
11169 * config/cris/cris.c (cris_op_str): Update comment about pattern
11171 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11172 before falling through into...
11173 <case 'E'>: Redefined from old 'e' case.
11175 2006-01-11 Jan Hubicka <jh@suse.cz>
11178 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11180 2006-01-11 Jan Hubicka <jh@suse.cz>
11182 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11183 * i386.c (x86_decompose_lea): Kill.
11184 (ix86_rtx_costs): Kill.
11186 2006-01-11 Jan Hubicka <jh@suse.cz>
11188 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11189 * cgraph.h (cgraph_node): Add inline_decl.
11190 (cgraph_insert_node_to_hashtable): Declare.
11191 (save_inline_function_body): Declare.
11192 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11194 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11195 (cgraph_function_versioning): Update call of tree_function_versioning.
11196 (save_inline_function_body): New function.
11197 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11198 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11199 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11200 (cgraph_default_inline_p): Likewise.
11201 (cgraph_decide_inlining_incrementally): Likewise.
11202 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11203 (copy_bb): Kill saving; do updating of clones.
11204 (copy_cfg_body): Kill saving.
11205 (initialize_inlined-parameters): Likewise.
11206 (expand_call_inline): Likewise.
11208 (tree_function_versioning): New parameter "update_clones".
11209 (inlining_p): Kill saving.
11210 * tree-inline.h (tree_function_versioning): Update prototype.
11211 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11214 2006-01-11 Ian Lance Taylor <ian@airs.com>
11216 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11217 Allow undoing set of machine mode.
11218 (do_SUBST): Use enums instead of is_int.
11219 (do_SUBST_MODE): New function.
11220 (SUBST_MODE): New macro.
11221 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11222 reg and trying to replace reg_regno_rtx with a new register.
11223 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11224 (simplify_set): Use SUBST_MODE.
11225 (distribute_notes): Remove code that tried to update reg notes
11226 for regno_reg_rtx changes.
11228 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11230 PR tree-optimization/23109
11231 PR tree-optimization/23948
11232 PR tree-optimization/24123
11234 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11235 * tree-cfg.c (single_noncomplex_succ): New.
11236 * tree-flow.h (single_noncomplex_succ): Declare it.
11237 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11238 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11239 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11240 insert_bb, register_division_in, insert_reciprocals,
11241 replace_reciprocal, free_bb): New.
11242 (execute_cse_reciprocals_1): Rewritten.
11243 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11244 Do not commit any edge insertion. Always compute dominators and
11245 create the allocation pool.
11246 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11247 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11248 * targhooks.c (default_min_divistions_for_recip_mul): New.
11249 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11250 * passes.c (init_optimization_passes): Run recip after tree loop
11252 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11254 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11255 Kenneth Zadeck <zadeck@naturalbridge.com>
11257 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11258 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11259 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11260 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11261 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11262 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11263 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11264 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11265 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11266 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11267 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11268 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11269 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11270 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11271 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11272 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11273 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11274 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11275 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11276 DF_SCAN_POST_ALLOC): New macros.
11277 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11278 df_free_bb_function, df_local_compute_function, df_init_function,
11279 df_dataflow_function, df_confluence_function_0,
11280 df_confluence_function_n, df_transfer_function,
11281 df_finalizer_function, df_free_function, df_dump_problem_function,
11282 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11283 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11284 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11285 df_urec_bb_info, ) New types.
11286 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11288 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11289 df_analyze_simple_change_some_blocks,
11290 df_analyze_simple_change_one_block, df_compact_blocks,
11291 df_bb_replace, df_bb_regno_last_use_find,
11292 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11293 df_insn_regno_def_p, df_find_def, df_find_use,
11294 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11295 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11296 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11297 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11298 debug_df_chain, df_get_dependent_problem, df_chain_create,
11299 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11300 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11301 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11302 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11303 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11304 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11305 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11306 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11307 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11308 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11309 df_reorganize_refs, df_set_state, df_hard_reg_init,
11310 df_read_modify_subreg_p) New public functions.
11311 * df-core.c: The core dataflow solver and glue routines for rtl
11313 (df_init, df_add_problem, df_set_blocks, df_finish,
11314 df_hybrid_search_forward, df_hybrid_search_backward,
11315 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11316 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11317 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11318 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11319 df_reg_defined, df_find_use, df_reg_used, df_dump,
11320 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11321 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11322 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11323 debug_df_useno, reset_df_after_reload): New functions.
11324 * df-scan.c: The scanning fuctions, once in df.c, completely
11325 rewritten so that they now fully model the functionality of
11326 register usage at the backend.
11327 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11328 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11329 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11330 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11331 df_get_artificial_defs, df_get_artificial_uses,
11332 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11333 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11334 df_refs_delete, df_reorganize_refs, df_set_state,
11335 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11336 df_def_record_1, df_defs_record, df_uses_record,
11337 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11338 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11339 df_record_exit_block_uses, df_hard_reg_init): New functions.
11341 * df-problems.c: Seven concrete dataflow problems that use the
11342 scanning in df-scan.c and are solved by the engine in df-core.c.
11343 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11344 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11345 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11346 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11347 df_ru_free_bb_info, df_ru_alloc,
11348 df_ru_bb_local_compute_process_def,
11349 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11350 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11351 df_ru_transfer_function, df_ru_free, df_ru_dump,
11352 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11353 df_rd_free_bb_info, df_rd_alloc,
11354 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11355 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11356 df_rd_transfer_function, df_rd_free, df_rd_dump,
11357 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11358 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11359 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11360 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11361 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11362 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11363 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11364 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11365 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11366 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11367 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11368 df_urec_mark_reg_use_for_earlyclobber,
11369 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11370 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11371 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11372 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11373 df_chain_create_bb_process_use, df_chain_create_bb,
11374 df_chain_finalize, df_chain_free, df_chains_dump,
11375 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11376 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11377 df_reg_lifetime): New functions.
11378 * df.c: Deleted file.
11379 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11380 consistent with new df api.
11381 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11382 rest_of_handle_sms): Ditto.
11383 * web.c (unionfind_union, union_defs, entry_register, web_main):
11385 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11386 invariant_expr_equal_p, find_defs, check_dependencies,
11387 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11388 free_inv_motion_data, move_loop_invariants): Ditto.
11389 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11390 Update dependencies.
11391 (odf.c): Added defective entry that was deleted later in day.
11392 * sched-deps.c (sched_analyze_1): Ditto.
11394 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11396 * tree-ssa-operands.c (get_expr_operands): Record addressable
11397 variables directly. Do not call add_stmt_operands for CONST_DECLs
11399 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11400 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11402 2006-01-11 Ben Elliston <bje@au.ibm.com>
11404 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11405 function returns true in the positive case.
11407 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11410 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11411 for SI, DI, SF and DF modes. Add alternatives to copy between
11412 general and floating point registers to the 32-bit patterns.
11413 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11414 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11415 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11416 generating 64-bit code.
11417 * config/pa/pa.c (output_move_double): Handle copies between general
11418 and floating registers.
11420 2006-01-10 Stuart Hastings <stuart@apple.com>
11422 * config/i386/i386.md (set_got): Update.
11423 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11424 (builtin_setjmp_receiver): Mach-O support.
11425 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11426 (GOT_SYMBOL_NAME): Define.
11427 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11428 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11429 * config/i386/i386.c (override_options): Revise for Darwin.
11430 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11431 support. (darwin_x86_file_end): New. (output_set_got): Add label
11432 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11433 * config/i386/i386-protos.h (output_set_got): Likewise.
11434 * config/darwin.c (machopic_legitimize_pic_address): Update
11437 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11439 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11440 when MODE isn't BLKmode.
11442 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11444 PR rtl-optimization/25367
11445 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11447 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11450 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11451 for a negative bound.
11453 2006-01-10 Richard Guenther <rguenther@suse.de>
11455 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11456 Never override with anything constraint.
11458 2006-01-10 Jan Beulich <jbeulich@novell.com>
11460 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11461 256 bits when optimize_size.
11463 2006-01-10 Jan Beulich <jbeulich@novell.com>
11465 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11467 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11468 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11471 2006-01-10 Ben Elliston <bje@au.ibm.com>
11473 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11475 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11476 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11477 (USE_FP_FOR_ARG): Reject decimal float modes.
11478 (function_arg_advance): Likewise.
11479 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11480 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11481 point types in AltiVec vectors.
11482 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11483 (rs6000_libcall_value): Likewise.
11485 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11487 * config/xtensa/ieee754-df.S: New file.
11488 * config/xtensa/ieee754-sf.S: New file.
11489 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11490 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11491 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11493 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11495 * config/sh/predicates.md (binary_float_operator,
11496 binary_logical_operator, commutative_float_operator,
11497 equality_comparison_operator, greater_comparison_operator,
11498 less_comparison_operator, logical_operator,
11499 noncommutative_float_operator, shift_operator,
11500 symbol_ref_operand, unary_float_operator): Remove redundant
11503 2006-01-09 Jeff Law <law@redhat.com>
11505 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11506 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11507 now unused arguments. Callers updated.
11508 (eliminate_redundant_computations): Remove now unused arguments,
11510 (local_fold): Remove, no longer used.
11511 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11513 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11514 (simplify_cond): New function.
11515 (forward_propagate_into_cond): Call simplify_cond.
11517 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11519 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11520 (*vec_extractv2di_1_sse): New.
11522 2006-01-09 Ben Elliston <bje@au.ibm.com>
11524 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11526 2006-01-08 Richard Guenther <rguenther@suse.de>
11528 * tree-ssa-structalias.c (get_constraint_for): Remove
11529 anyoffset argument.
11530 (get_constraint_for_component_ref): Likewise.
11531 (do_deref): Likewise.
11532 (get_constraint_for): Likewise.
11533 (do_structure_copy): Likewise.
11534 (handle_ptr_arith): Likewise.
11535 (find_func_aliases): Likewise. Remove unused need_anyoffset
11538 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11539 Kaz Kojima <kkojima@gcc.gnu.org>
11541 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11542 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11543 (EXTRA_CONSTRAINT_C16): Remove.
11544 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11545 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11546 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11547 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11548 constants of SHmedia. Handle nested constant expressions of
11550 (andcosts): Fix the costs for SHmedia constants.
11551 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11552 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11553 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11554 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11555 (movv4hi_i, movv2si_i): Likewise.
11556 (movsi_const): Adjust the second operand of ior so to match with
11557 the Csu constraint.
11558 (movdi_const, movdi_const_32bit): Likewise.
11559 (movdi_const_16bit+1): Don't sign-extend LOW.
11560 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11562 (*double_shori): Fix the split condition. Use GEN_INT instead
11563 of get_int_mode calls. Mask lower 16-bit of the argument of
11565 (sym2GOTPLT): Remove.
11566 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11568 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11569 instead of EXTRA_CONSTRAINT_C16.
11571 2006-01-07 Ian Lance Taylor <ian@airs.com>
11572 David Edelsohn <edelsohn@gnu.org>
11574 PR rtl-optimization/25662
11575 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11576 for constant operands instead of simplify_gen_binary.
11577 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11578 after trying simplify_binary_operation
11580 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11582 * tree.c (iterative_hash_expr): Hash decls based on UID.
11584 2006-01-06 Eric Christopher <echristo@apple.com>
11586 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11587 (TARGET_UNWIND_EMIT): Fix spelling.
11588 * target.h (gcc_target): Add except_table_label.
11589 * except.c (output_function_exception_table): Use.
11590 * varasm.c (default_emit_except_table_label): New.
11591 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11593 (asm_out): Add here.
11594 * output.h (default_emit_except_table_label): Prototype.
11595 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11596 * config/darwin.c (darwin_emit_except_table_label): Define.
11597 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11599 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11601 PR tree-optimization/18527
11602 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11603 number_of_iterations_special, number_of_iterations_exit):
11604 Move base and step of an iv to a single structure. Add
11605 no_overflow flag, and use it in # of iterations analysis.
11606 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11607 folded_casts argument.
11608 (simple_iv): Pass base and step in a structure. Set no_overflow
11610 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11611 Evaluate expensiveness of computing # of iterations instead of
11612 the final expression.
11613 * tree-scalar-evolution.h (affine_iv): New structure.
11614 (simple_iv): Declaration changed.
11615 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11616 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11617 find_givs_in_stmt): Changed due to simple_iv change.
11619 2006-01-06 Jeff Law <law@redhat.com>
11622 * tree-cfg.c (bsi_replace): Rename final argument from
11623 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11624 change (stmt -> orig_stmt).
11625 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11626 (bsi_remove): Add new argument. Remove EH information
11628 (verify_eh_throw_table_statements): New function.
11629 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11631 * tree-optimize.c (execute_free_cfg_annotations): Verify
11632 the EH throw statement table after removing annotations.
11633 * except.h (verify_eh_throw_table_statements): Prototype.
11634 * tree-flow.h (bsi_remove): Update prototype.
11635 * tree-vrp.c (remove_range_assertions): Add new argument to
11637 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11638 * tree-complex.c (expand_complex_div_wide): Likewise.
11639 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11640 * tree-tailcall.c (eliminate_tailcall): Likewise.
11641 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11642 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11643 * tree-nrv.c (tree_nrv): Likewise.
11644 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11645 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11646 (combine_blocks): Likewise.
11647 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11648 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11649 (cleanup_control_flow): Likewise.
11650 (remove_forwarder_block): Likewise.
11651 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11652 * tree-sra.c (sra_replace): Likewise.
11653 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11654 (forward_propagate_single_use_vars): Likewise.
11655 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11656 * tree-inline.c (expand_call_inline): Likewise.
11657 * tree-vect-transform.c (vect_transform_loop): Likewise.
11658 * tree-outof-ssa.c (rewrite_trees): Likewise.
11659 * tree-cfg.c (make_goto_expr_edges): Likewise.
11660 (cleanup_dead_labels): Likewise.
11661 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11662 (bsi_move_before, bsi_move_after): Likewise.
11663 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11664 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11666 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11669 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11671 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11672 on non gimple variables. Also add checks at the top for decls and
11674 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11676 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11677 and IMAGPART_EXPR for creating MUST_DEFs.
11678 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11679 and NAME_MEMORY_TAG separately from the DECLs.
11681 2006-01-06 Richard Guenther <rguenther@suse.de>
11683 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11684 annotation, if necessary.
11685 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11686 redundant calls to update_stmt.
11687 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11690 2006-01-05 Richard Henderson <rth@redhat.com>
11692 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11694 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11696 * c-typeck.c: Update copyright date.
11698 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11700 * c-typeck.c (build_c_cast): Always warn when casting
11701 from a pointer to an integer of different size, even if
11702 the node was constant.
11704 2006-01-05 Richard Guenther <rguenther@suse.de>
11706 PR tree-optimization/22555
11707 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11708 if one structure field is an array.
11709 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11710 operands even if we found a subvar, but ignore VOPs in this
11712 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11714 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11716 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11718 PR middle-end/24998
11719 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11721 2006-01-05 Richard Guenther <rguenther@suse.de>
11722 Diego Novillo <dnovillo@redhat.com>
11724 * tree-pass.h (TODO_remove_unused_locals): Define.
11725 * gimple-low.c (expand_var_p, remove_useless_vars,
11726 pass_remove_useless_vars): Remove. Update all users.
11727 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11728 (remove_unused_locals): New function.
11729 * tree-flow.h (remove_unused_locals): Declare.
11730 * passes.c (execute_todo): Call remove_unused_locals if
11731 TODO_remove_unused_locals is set.
11732 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11733 * tree-ssa-dce.c (pass_dce): Likewise.
11734 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11736 2006-01-05 Richard Guenther <rguenther@suse.de>
11738 * tree-flow.h (struct fieldoff): Decompose field to
11739 type, size and decl.
11740 * tree-ssa-alias.c (create_sft): Take type as parameter.
11741 (create_overlap_variables_for): Store type, size and decl
11742 in the fieldoff structure.
11743 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11744 of struct fieldoff.
11745 (push_fields_onto_fieldstack): Likewise.
11746 (create_variable_info_for): Likewise. Use offset for the
11747 SFT name if the decl is not available.
11749 2006-01-04 Paul Brook <paul@codesourcery.com>
11751 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11753 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11755 * lambda-code.c (can_put_in_inner_loop): Relax
11757 (can_put_after_inner_loop): New function.
11758 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11759 (perfect_nestify): Change to make copies and modify uses.
11761 2006-01-04 Richard Henderson <rth@redhat.com>
11763 Merge from gomp branch:
11764 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11765 via integer constant.
11766 (pragma_lex): Remove.
11767 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11768 rather than parsing it.
11769 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11770 handle_pragma_extern_prefix): Add %< %> quotes.
11771 (registered_pragmas): New.
11772 (c_register_pragma_1): New.
11773 (c_register_pragma): Use it.
11774 (c_register_pragma_with_expansion): Likewise.
11775 (c_invoke_pragma_handler): New.
11776 (init_pragma): Use cpp_register_deferred_pragma directly for
11778 * c-pragma.h (enum pragma_kind): New.
11779 (pragma_handler): New.
11780 (c_invoke_pragma_handler): Declare.
11781 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11783 * c-common.h (c_common_pch_pragma): Update decl.
11784 * Makefile.in (c-parser.o): Update dependencies.
11785 (GTFILES): Add c-pragma.h.
11786 * c-parser.c (struct c_token): Add pragma_kind.
11787 (struct c_parser): Add in_pragma.
11788 (c_lex_one_token): Always initialize keyword and pragma_kind.
11789 Extract data for CPP_PRAGMA.
11790 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11791 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11792 Don't allow CPP_PRAGMA_EOL if in_pragma.
11793 (c_parser_consume_pragma): New.
11794 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11795 (c_parser_skip_to_end_of_parameter): Likewise.
11796 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11797 (c_parser_skip_to_pragma_eol): New.
11798 (c_parser_external_declaration): Handle CPP_PRAGMA.
11799 (c_parser_compound_statement_nostart): Likewise.
11800 (c_parser_statement_after_labels): Likewise.
11801 (c_parser_pragma): New.
11802 (pragma_lex): Likewise.
11803 (c_parser_pragma_pch_preprocess): New.
11804 (c_parser_new): Merge into ...
11805 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11807 2006-01-04 Jeff Law <law@redhat.com>
11810 * tree-cfg.c (bsi_replace): Remove the original statement
11811 from the EH throw statement table.
11813 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11815 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11816 make the prototype extern "C" and add throw ().
11819 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11820 and pos non-negative and pos + len <= 32.
11821 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11822 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11823 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11826 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11827 as well as sizes not multiple of component size.
11830 * function.c (instantiate_expr): New function.
11831 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11832 walk its DECL_VALUE_EXPR with instantiate_expr.
11834 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11835 DW_OP_deref{,_size} if address isn't going to be added.
11837 2006-01-04 Ben Elliston <bje@au.ibm.com>
11839 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11840 * config/fp-bit.c: Likewise.
11842 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11844 * dominance.c: Add comment about why we use DFS numbering
11847 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11848 Richard Henderson <rth@redhat.com>
11850 Merge from gomp-branch:
11851 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11852 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11854 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11856 PR rtl-optimization/25578
11857 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11858 pass a parameter to simplify_shift_const if changing ASHIFTRT
11861 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11863 * builtins.c (get_builtin_sync_mem): New function.
11864 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11865 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11866 Call get_builtin_sync_mem to generate mem rtx.
11868 2006-01-03 Richard Guenther <rguenther@suse.de>
11871 * stmt.c (add_case_node): Make sure to clear overflow flags
11874 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11876 Merge from gomp-branch.
11877 * config/sparc/sync.md: New file.
11878 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11879 UNSPECV_LDSTUB): New constants.
11880 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11881 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11882 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11885 2006-01-03 Roger Sayle <roger@eyesopen.com>
11887 * combine.c (reg_subword_p): New predicate to test whether the
11888 destination of a set refers to a subword/piece of a register.
11889 (try_combine): Generalize the code to merge the setting of a
11890 pseudo to a constant followed by a set of a subword of that
11891 register to a constant.
11893 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11895 * basic-block.h (control_flow_graph): Change the type of
11896 x_label_to_block_map to VEC(basic_block,gc) *.
11897 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11898 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11900 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11901 VEC(basic_block,heap) *.
11902 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11903 ssa_prop_fini): Adjust the uses of cfg_blocks.
11905 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11907 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11909 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11910 hashing trees instead of a pointer hash.
11911 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11912 compare for MEM_EXPR.
11914 PR rtl-optimization/25130
11915 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11916 when comparing MEMs for GCSE
11918 2006-01-03 Ben Elliston <bje@au.ibm.com>
11920 * targhooks.h (default_decimal_float_supported_p): Declare.
11921 * targhooks.c (default_decimal_float_supported_p): Define.
11922 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11923 `default_decimal_float_supported_p'.
11924 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11926 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11928 * combine.c (apply_distributive_law <SUBREG>): Check
11929 TRULY_NOOP_TRUNCATION.
11931 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11933 * dwarf2out.c (have_switched_text_section): Delete.
11934 (have_multiple_function_sections): New.
11935 (have_location_lists): Make 'bool'.
11936 (add_AT_loc_list): Use 'true' not '1'.
11937 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11938 (output_loc_list): Use have_multiple_function_sections.
11939 (output_ranges): Likewise.
11940 (dwarf2out_begin_function): Set have_multiple_function_sections if
11942 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11943 Check function_section rather than DECL_SECTION_NAME.
11944 (dwarf2out_finish): Use have_multiple_function_sections.
11945 Don't clear have_location_lists.
11947 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11948 Jan Hubicka <jh@suse.cz>
11950 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11951 case of conditional jump jumping to the next instruction.
11952 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11953 cases of conditional jump jumping to the next instruction.
11955 2006-01-02 Jan Hubicka <jh@suse.cz>
11957 * i386.c (*_cost): Add COSTS_N_INSNS.
11958 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11960 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11963 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11965 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11967 * config/arm/arm.c (all_fpus): Fix comment typo.
11968 * config/darwin.c: Likewise.
11969 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11970 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11971 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11973 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11975 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11976 (rs6000_split_compare_and_swapqhi): New.
11977 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11978 (sync_compare_and_swapqhi_internal): New.
11979 * config/rs6000/rs6000-protos.h: Declare.