+2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
+
+ * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
+
+2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
+
+ PR target/27842
+ * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
+ ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
+ ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
+ V4SImode temporaries and operations instead.
+
+2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
+
+ * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
+ dp-bit.c.
+
+2006-06-06 Mike Stump <mrs@apple.com>
+
+ * Makefile.in: Rename to htmldir to build_htmldir to avoid
+ installing during build.
+
+2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
+ value to 0.
+ * doc/invoke.texi (max-sched-extend-regions-iters): Document.
+ * config/ia64/ia64.c (params.h): New header.
+ (ia64_optimization_options): New function to adjust parameters.
+ * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
+ * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
+ * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
+
+2006-06-05 Kazu Hirata <kazu@codesourcery.com>
+
+ * stor-layout.c (debug_rli): Fix a typo in a debug message.
+
+2006-06-05 Steve Ellcey <sje@cup.hp.com>
+
+ PR target/27051
+ * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
+
+2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
+ Victor Kaplansky <victork@il.ibm.com>
+
+ PR tree-optimization/26360
+ * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
+ stmts.
+
+2006-06-04 Roger Sayle <roger@eyesopen.com>
+ Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR middle-end/27382
+ * c-common.c (c_common_truthvalue_conversion): Explicitly check
+ for LABEL_DECL before calling DECL_WEAK.
+
+ PR c/27150
+ * c-typeck.c (build_binary_op): Likewise, explicitly check for
+ LABEL_DECL and PARM_DECL.
+
+2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR c/25161
+ PR c/27020
+ * c-decl.c (grokdeclarator): Disallow variably modified types at
+ file scope. Avoid marking shared array type of constant size as
+ VLA.
+
+2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR c++/27601
+ * c-common.c (fold_offsetof_1): Handle static members.
+
+2006-06-04 Eric Christopher <echristo@apple.com>
+
+ * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
+ (debug_rli): Output value for remaining_in_alignment.
+ (update_alignment_for_field): Unconditionalize
+ ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
+ extra alignment code.
+ (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
+ ms_bitfield_layout_p code. Rewrite handling of structure fields.
+ * tree.h (record_layout_info_s): Remove prev_packed.
+ * doc/extend.texi (ms_struct): Add documentation of format.
+
+2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
+
+ * tree.h: Declare folding_initializer.
+ * builtins.c (fold_builtin_constant_p): Give definite answer
+ if folding inside an initializer.
+ * fold-const.c: Define folding_initializer.
+ (START_FOLD_INIT): Save and then set folding_initializer.
+ (END_FOLD_INIT): Restore folding_initializer.
+
+2006-06-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27039
+ * fold-const.c (fold_comparison): Handle pointer comparison
+ again for all comparison codes. Compare offsets in signed
+ size type.
+ (fold_binary): Move code from here.
+
+2006-06-03 Roger Sayle <roger@eyesopen.com>
+
+ PR target/26223
+ * config/i386/i386.c (construct_container): Split static issued_error
+ flag into issued_sse_arg_error, issued_sse_ret_error and
+ issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
+ requires the use of x87 registers and the user explicitly
+ specified the -mno-80387 command line option.
+
+2006-06-02 Geoffrey Keating <geoffk@apple.com>
+
+ * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
+ HAVE_DECL_SIGALTSTACK.
+ (MC_FLD): New.
+ (segv_handler): Use MC_FLD.
+ * configure.ac: Check for a sigaltstack declaration.
+ Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
+
+ PR other/27850
+ * Makefile.in (stmp-fixinc): Fix typo.
+
+2006-06-02 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
+ are type correct. Clean-up.
+ <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
+ <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
+
+2006-06-01 DJ Delorie <dj@redhat.com>
+
+ * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
+ shift, as we've disabled the "switch" insn that needs it.
+
+2006-06-01 Per Bothner <bothner@bothner.com>
+
+ Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
+ * c-opts.c (finish_options): Use internal line 0 for <command-line>.
+ * c-ppoutput.c (cb_define): Don't increment line 0.
+
+2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
+
+ * doc/invoke.texi: Add cpu_type power6.
+ * config.gcc: Add cpu_type power6.
+ * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
+ to power5+ with Altivec.
+ * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
+ * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
+
+2006-05-30 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.h (SET_ASM_OP): Define.
+
+2006-06-01 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/bfin/bfin.c: Fix comment typos.
+
+2006-06-01 Paolo Bonzini <bonzini@gnu.org>
+
+ PR 25453
+ * doc/install.texi: Document --enable-bootstrap and
+ --disable-bootstrap.
+
+2006-06-01 Paolo Bonzini <bonzini@gnu.org>
+
+ * doc/install.texi: Document that InfoZIP can replace jar.
+
+2006-05-31 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
+ isn't available, directly generate the simpler x87 patterns without
+ the (use (const_int 0)).
+ * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
+ implementation isn't available.
+ (*negdf2_1): Likewise.
+ (*negxf2_1): XF mode negation is always done using the x87.
+ (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
+
+2006-05-31 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (fold_builtin_cabs): Delete prototype. Require an
+ additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
+ cabs(z).
+ (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
+
+2006-05-31 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
+ * config/bfin/bfin.c (basic-block.h): Include.
+ (struct machine_function): New.
+ (bfin_init_machine_status): New.
+ (override_options): Initialize init_machine_status.
+ (bfin_hardware_loop): New.
+ (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
+ (DEF_VEC_P (loop_info)): New.
+ (DEF_VEC_ALLOC_P (loop_info,heap)): New.
+ (struct loop_info): New.
+ (loop_info): New typedef.
+ (struct loop_work): New.
+ (loop_work): New typedef.
+ (DEF_VEC_O (loop_work)): New.
+ (DEF_VEC_ALLOC_O (loop_work,heap)): New.
+ (bfin_dump_loops): New.
+ (bfin_bb_in_loop): New.
+ (bfin_scan_loop): New.
+ (bfin_optimize_loop): New.
+ (bfin_reorg_loops): New.
+ (bfin_reorg): Use bfin_reorg_loops.
+ * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
+ loop registers.
+ (I_REGNO_P): Simplify.
+ (DP_REGNO_P, DPREG_P): New macros.
+ (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
+ REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
+ (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
+ Add LT_REGS, LC_REGS, LB_REGS.
+ (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
+ 'l' for LB_REGS.
+ (REGNO_REG_CLASS): Deal with loop registers.
+ * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
+ letters.
+ (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
+ New constants for loop registers.
+ (UNSPEC_LSETUP_END): New.
+ (seq_insns): New define_attr. Set it for appropriate insns.
+ (movsi_insn): Add alternatives for move from/to
+ loop count registers.
+ (doloop_end): New define_expand.
+ (loop_end): New define_insn.
+ (define_split for bad doloop_end): New.
+ (lsetup_with_autoinit): New define_insn.
+ (lsetup_without_autoinit): New define_insn.
+ (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
+ * config/bfin/predicates.md (lc_register_operand): New.
+ (lt_register_operand): New.
+ (lb_register_operand): New.
+ (nondp_register_operand): New.
+ (nondp_reg_or_memory_operand): New.
+ * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
+
+2006-05-31 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.c (bfin_delegitimize_address): New.
+ (TARGET_DELEGITIMIZE_ADDRESS): Define.
+
+2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * Makefile.in (CATALOGS): Add po/ prefix.
+ * configure: Regenerated.
+
+2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
+
+ PR target/27829
+ * arm.c (arm_print_operand case 'S'): Validate that the operand is
+ a shift operand before calling shift_op. Avoid redundant call of
+ shift_op.
+
+2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
+ DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c.c (m32c_expand_insv): Check that the value
+ we're inserting is a singlt-bit constant.
+
+2006-05-30 Roger Sayle <roger@eyesopen.com>
+
+ * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
+ width to HOST_WIDE_INT to avoid comparison warnings on some targets.
+
+2006-05-30 Roger Sayle <roger@eyesopen.com>
+
+ PR tree-optimization/23452
+ * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
+ to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
+ (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
+ complex values and with -ffast-math for FP complex values.
+
+2006-05-30 Kazu Hirata <kazu@codesourcery.com>
+
+ * c-common.h: Remove the prototype for yyparse.
+ * rtl.h: Remove the prototype for init_loop.
+
+2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * cse.c (validate_canon_reg, cse_insn): Don't change insns without
+ calling recog.
+
+2006-05-30 Roger Sayle <roger@eyesopen.com>
+
+ * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
+ and rotate cases.
+ <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
+ log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
+
+2006-05-30 Dirk Mueller <dmueller@suse.de>
+
+ PR c/27273
+ * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
+ for CONSTANT_CLASS_P expresisons.
+
+2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR c/27718
+ * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
+
+2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/27779
+ * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
+ initial_condition instead of CHREC_LEFT.
+
+2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
+
+ * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
+ * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
+ Make prototypes ISO C90.
+
+2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
+ Leehod Baruch <leehod.baruch@weizmann.ac.il>
+
+ * see.c (see_analyze_one_def): Correct check.
+ (see_get_extension_data): Check if extension is parallel.
+ (see_get_extension_reg): Likewise.
+
+2006-05-30 Uros Bizjak <uros@kss-loka.si>
+
+ PR target/27790
+ * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
+ into register for (code == GTU).
+
+2006-05-29 Roger Sayle <roger@eyesopen.com>
+
+ PR tree-optimization/24964
+ * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
+ <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
+ signaling NaNs. Optimize -x*-x as x*x for all float modes, and
+ abs(x)*abs(x) as x*x for scalar floating point modes.
+
+2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
+
+ PR middle-end/27745
+ * lambda-code.c (perfect_nestify): Don't copy statements
+ in the inner loop: move them to the inner loop header.
+
+2006-05-29 Diego Novillo <dnovillo@redhat.com>
+
+ PR 26237
+ * c-tree.texi: Document OpenMP directives and clauses.
+
+2006-05-29 Kazu Hirata <kazu@codesourcery.com>
+
+ * varasm.c (globalize_decl): Fix indentation.
+
+2006-05-29 Diego Novillo <dnovillo@redhat.com>
+
+ PR 26242
+ * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
+ pass_fre, pass_store_ccp, pass_copy_prop,
+ pass_store_copy_prop, pass_merge_phi, pass_nrv,
+ pass_return_slot, pass_object_size, pass_lim,
+ pass_linear_transform, pass_empty_loop, pass_complete_unroll,
+ pass_loop_prefetch and pass_stdarg.
+
+2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.opt (mfdpic): New option.
+ * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
+ (EXTRA_MULTILIB_PARTS): Likewise.
+ (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
+ (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
+ multilib.
+ * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
+ (CRT_CALL_STATIC_FUNCTION): New.
+ * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
+ -shared.
+ (CRT_CALL_STATIC_FUNCTION): New.
+ * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
+ FD-PIC moves.
+ (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
+ (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
+ (initialize_trampoline): Changed to handle FD-PIC code generation.
+ (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
+ (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
+ (override_options): Disallow -mid-shared-library -mfdpic combination.
+ Can't do unaligned ops if FD-PIC.
+ Turn off flag_pic if trying to generate non-id-shared-library
+ non-fdpic code, since it's not supported.
+ (bfin_assemble_integer): New function.
+ (TARGET_ASM_INTEGER): Define.
+ * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
+ __BFIN_FDPIC__.
+ * config/bfin/crtn.s: Restore them.
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
+ if TARGET_FDPIC.
+ (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
+ LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
+ (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
+ (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
+ (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
+ call-used.
+ (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
+ FDPIC_REGS and FDPIC_FPTR_REGS.
+ (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
+ * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
+ UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
+ (load_funcdescsi): New pattern.
+ (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
+ sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
+ call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
+
+2006-05-29 Kazu Hirata <kazu@codesourcery.com>
+
+ * gcse.c, rtlanal.c: Remove obsolete comments associated with
+ loop.c.
+
+ * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
+
+ * tree-flow.h: Remove the prototype for add_type_alias.
+ * tree-ssa-alias.c (add_type_alias): Remove.
+
+2006-05-28 Kazu Hirata <kazu@codesourcery.com>
+
+ * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
+ config/fr30/fr30.md, config/i386/i386-interix.h,
+ config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
+ config/sh/superh64.h, config/v850/v850.c, df-core.c,
+ df-problems.c, df.h, except.c, final.c, haifa-sched.c,
+ lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
+ reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
+ tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
+ Follow spelling conventions.
+ * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
+ Follow spelling conventions.
+
+2006-05-27 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/27773
+ * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
+ to produce a constant of value 1 of generic type.
+
+2006-05-27 Dirk Mueller <dmueller@suse.de>
+
+ * cgraphunit.c (decide_is_function_needed): Fix wrong
+ PR reference.
+
+2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
+
+ PR rtl-optimization/27661
+ * reload.c (find_reloads): When reloading a VOIDmode constant
+ as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
+ use Pmode as mode of the reload register.
+
+2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
+ is enabled at -O and above.
+
+2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR target/27571
+ * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
+ table data.
+
+2006-05-25 Mark Mitchell <mark@codesourcery.com>
+
+ PR c++/20103
+ * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
+ for anonymous variables explicitly declared by front ends.
+
+2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
+ (struct alias_info): Add new field ref_all_symbol_mem_tag.
+ * tree-ssa-alias.c (compute_may_aliases): If the program contains
+ ref-all pointers, run a finalization pass for them.
+ (compute_flow_insensitive_aliasing): Skip ref-all pointers.
+ (finalize_ref_all_pointers): New function.
+ (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
+ regular pointer type to a ref-all pointer type.
+ (get_tmt_for): Return the special memory tag for ref-all pointers.
+
+2006-05-25 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/27743
+ * fold-const.c (fold_binary): Do not look at the stripped
+ op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
+
+2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
+ for LT and GT if the computed range is effectively empty.
+
+2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/27627
+ * pa/pa-modes.def: Use mips_single_format, mips_double_format and
+ mips_quad_format formats instead of ieee_single_format,
+ ieee_double_format and ieee_quad_format formats, respectively.
+
+2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/27639
+ PR tree-optimization/26719
+ * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
+ call to scev_probably_wraps_p.
+ * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
+ used_in_pointer_arithmetic_p, convert_step): Removed.
+ (nowrap_type_p): New function.
+ (scev_probably_wraps_p): Rewritten.
+ * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
+ chrec_convert if chrec_convert_aggressive might have been used.
+ * tree-chrec.c (convert_affine_scev, chrec_convert_1,
+ scev_direction): New functions.
+ (chrec_convert): Changed to a wrapper over chrec_convert_1.
+ * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
+ instead of convert_step.
+ * tree-flow.h (scev_probably_wraps_p): Declaration changed.
+ (convert_step): Declaration removed.
+ (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
+
+2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * df-core.c: Added to header comments.
+ * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
+ df_ur_bb_info, df_urec_bb_info): Added comments.
+ * df-problems (df_ref_bitmap, ru, rd, lr, ur,
+ urec, ri problems): Fixed header comments.
+ (df_ru_transfer_function): Fixed in-out set dyslexia when copying
+ code from df_rd_transfer_function.
+
+2006-05-23 Richard Sandiford <richard@codesourcery.com>
+
+ * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
+ (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
+ MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
+
+2006-05-23 Joseph Myers <joseph@codesourcery.com>
+
+ * expr.c (undefined_operand_subword_p): New.
+ (emit_move_multi_word): Do not generate move from undefined bits
+ of a paradoxical subreg.
+
+2006-05-23 Richard Sandiford <richard@codesourcery.com>
+
+ PR rtl-optimization/27736
+ * combine.c (replaced_rhs_value): New variable.
+ (combine_instructions): Set it.
+ (distribute_notes): When distributing a note in replaced_rhs_insn,
+ check whether the value was used in replaced_rhs_value.
+
+2006-05-23 Andrew MacLeod <amacleod@redhat.com>
+
+ PR c++/26757
+ * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
+ add_referenced_var instead of add_referenced_tmp_var.
+ * tree-complex.c (create_one_component_var): Use add_referenced_var.
+ * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
+ add_referenced_var.
+ * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
+ tree_optimize_tail_calls_1): Use add_referenced_var.
+ * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
+ * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
+ Use add_referenced_var.
+ * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
+ * gimplify.c (force_gimple_operand): Use add_referenced_var.
+ * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
+ Use add_referenced_var.
+ * tree-dfa.c (struct walk_state): Remove.
+ (find_referenced_vars): Remove walk state and vars_found hash table.
+ (make_rename_temp): Use add_referenced_var.
+ (find_vars_r): Pass less parameters to add_referenced_var.
+ (referenced_var_p): New. Is var in referenced_var hash table.
+ (referenced_var_insert): Assert var isn't already in hash table.
+ (add_referenced_var): Don't need walk_state parameter. Add var if it
+ isn't already in the hash table.
+ (add_referenced_tmp_var): Remove.
+ (find_new_referenced_vars_1): Use add_referenced_var.
+ * tree-ssa-pre.c (create_expression_by_pieces,
+ insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
+ Use add_referenced_var.
+ * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
+ * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
+ lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
+ add_referenced_var.
+ * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
+ vect_create_data_ref_ptr, vect_create_destination_var,
+ vect_init_vector, vect_build_loop_niters,
+ vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
+ vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
+ Use add_referenced_var.
+ * tree-outof-ssa.c (create_temp): Use add_referenced_var.
+ * tree-flow.h (add_referenced_tmp_var): Remove prototype
+ (add_referenced_var): Add prototype.
+ * tree-ssa-structalias.c (get_constraint_for,
+ intra_create_variable_infos): Use add_referenced_var.
+
+2006-05-23 Alexandre Oliva <aoliva@redhat.com>
+
+ * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
+ big-endian paradoxical subregs.
+ * var-tracking.c (struct micro_operation_def): Document that,
+ for modify micro operations, insn is the subsequent instruction.
+ (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
+ (var_reg_set, var_mem_set): ... new functions.
+ (add_stores): Record subsequent insn.
+ (compute_bb_dataflow): Use new functions for MO_USE.
+ (emit_notes_in_bb): Use new functions for MO_USE. Emit use
+ notes after the insn, and modify notes before the insn known
+ to be the subsequent one.
+ (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
+
+2006-05-23 Kazu Hirata <kazu@codesourcery.com>
+
+ PR target/27696
+ * config/i386/i386.c (ix86_expand_builtin): Use
+ gen_sse3_monitor64 for TARGET_64BIT.
+
+2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR rtl-optimization/26375
+ PR rtl-optimization/26855
+ * df-problems (df_ru_bb_local_compute_process_def): Removed update
+ to gen set.
+ (df_ru_bb_local_compute): Reversed statements and removed bogus
+ comment explaining why they should be in wrong order.
+ (df_ru_dump, df_rd_dump): Enhanced debug info.
+ * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
+ debug info.
+ * ddg.c (add_deps_for_def): Converted use of reaching defs to
+ reaching uses and fixed space problem.
+
+2006-05-23 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (decide_is_function_needed): Also nested functions
+ and functions declared inline can be optimized out at -O0.
+
+2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/install.texi (Configuration): Remove reference to CrossGCC
+ FAQ which was hijacked.
+ (Building): Ditto.
+
+2006-05-22 Kazu Hirata <kazu@codesourcery.com>
+
+ PR target/27266
+ * config/i386/i386.c (ix86_expand_branch): Jump to simple if
+ ix86_compare_emitted is non-NULL.
+
+2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR c++/27451
+ * stmt.c (expand_asm_operands): Skip asm statement with erroneous
+ clobbers.
+
+2006-05-22 Richard Sandiford <richard@codesourcery.com>
+
+ PR rtl-optimization/25514
+ * combine.c (replaced_rhs_insn): New variable.
+ (combine_instructions): Set replaced_rhs_insn when trying to replace
+ a SET_SRC with a REG_EQUAL note.
+ (distribute_notes): Use replaced_rhs_insn when determining the live
+ range of a REG_DEAD register.
+
+2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
+ Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
+ attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
+ attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
+ atmega164p, atmega324p, atmega644p, atmega644, atmega329,
+ atmega3290, atmega649, atmega6490, atmega406, atmega640,
+ atmega1280, atmega1281, at90can32, at90can64, at90usb646,
+ at90usb647, at90usb1286 and at90usb1287 devices.
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
+ * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
+
+2006-05-22 Richard Sandiford <richard@codesourcery.com>
+
+ * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
+
+2006-05-22 Richard Guenther <rguenther@suse.de>
+
+ Revert
+ 2006-01-31 Richard Guenther <rguenther@suse.de>
+ Paolo Bonzini <bonzini@gnu.org>
+
+ * doc/install.texi (--disable-libgcc-math): Document.
+
+2006-05-22 Richard Guenther <rguenther@suse.de>
+
+ Revert
+ 2006-01-31 Richard Guenther <rguenther@suse.de>
+
+ * doc/invoke.texi (-msselibm): Document.
+ * target.h (expand_library_builtin): New target hook.
+ * builtins.c (expand_builtin): Use expand_library_builtin.
+ (default_expand_library_builtin): New function.
+ * gcc.c (LINK_GCC_MATH_SPEC): Define.
+ (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
+ (link_gcc_math_spec): Declare.
+ (static_specs): Add link_gcc_math_spec.
+ * expr.h (default_expand_library_builtin): Declare.
+ * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
+ (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
+ * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
+ * config/i386/i386.opt (msselibm): New target option.
+ * config/i386/i386.c (ix86_builtin_function_variants): New array.
+ (ix86_init_sse_abi_builtins): New function.
+ (ix86_expand_library_builtin): Likewise.
+ (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
+ (override_options): Handle error conditions wrt -msselibm.
+ (ix86_builtins): Add function codes for SSE2 ABI builtins.
+ (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
+ * doc/extend.texi (__builtin_sse2_*): Document new target specific
+ builtins.
+
+2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR c/27420
+ * c-common.c (self_promoting_args_p): Skip erroneous args.
+
+ PR c/26818
+ * c-decl.c (finish_struct): Skip erroneous fields.
+
+2006-05-22 Nick Clifton <nickc@redhat.com>
+
+ * config/cris/cris.opt (march): Remove VarExists attribute.
+ (max-stackframe=): Likewise.
+
+2006-05-22 Kazu Hirata <kazu@codesourcery.com>
+
+ * doc/rtl.texi: Fix a typo.
+ * see.c: Fix comment typos.
+
+ * tree-ssa-structalias.h (alias_info): Remove num_references.
+
2006-05-21 Mike Stump <mrs@apple.com>
* config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
(BAD2): Add.
-
+ (darwin_pragma_options): Use BAD instead.
+ (darwin_pragma_unused): Likewise.
+ (darwin_pragma_ms_struct): Likewise.
+
2006-05-21 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.md (floatsitf2): Remove constraints.
(df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
and set DF_REF_PARTIAL.
(df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
- (df_uses_record): Added DF_REF_PARTIAL for subreg.
+ (df_uses_record): Added DF_REF_PARTIAL for subreg.
(df_scan_add_problem): Added flags parameter.
(df_ref_create_structure): Changed switching structure.
(df_bb_refs_record): Fixed case where duplicate artificial refs
(df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
(df_set_state): Removed function.
(df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
- df_insn_create_insn_record, df_insn_refs_delete,
- df_ref_create_structure): Formatting changes.
+ df_insn_create_insn_record, df_insn_refs_delete,
+ df_ref_create_structure): Formatting changes.
* df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
df_delete_basic_block): New function.
(df_init): Changed location of flags.
(df_prune_to_subcfg): Made public.
(df_analyze_problem): Added blocks_to_init parameter and made
public.
- (df_ref_record, df_bb_refs_record, df_mark_reg,
+ (df_ref_record, df_bb_refs_record, df_mark_reg,
df_record_exit_block_uses): Whitespace changes.
(df_dump): Whitespace changes.
* df.h: Some reordering to remove forward references.
* dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
* ada/misc.c (gnat_dwarf_name): New function.
(LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
-
+
2006-05-19 Richard Sandiford <richard@codesourcery.com>
* libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2006-05-15 Per Bothner <per@bothner.com>
- * tree.c: (last_annotated_node): Use sources_locus typedef.
+ * tree.c: (last_annotated_node): Use source_locus typedef.
This permits bootstrapping with --enable-mapped-location.
2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2006-05-08 Jan Hubicka <jh@suse.cz>
- PR middle-end/25962
+ PR middle-end/24561
* cgraphunit.c (decide_is_function_needed): When not optimizing even
unused static functions are needed.
* doc/invoke.texi (C++ Dialect Options): Rewrite
-fvisibility-inlines-hidden documentation to describe something
entirely different, although in practise compatible.
- (Code Gen Options): Warn about system headers in -fvisibiltity=
+ (Code Gen Options): Warn about system headers in -fvisibility=
documentation.
* doc/extend.texi (Other Builtins): Document that
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