OSDN Git Service

2008-08-14 Dorit Nuzman <dorit@il.ibm.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 1558f03..77796d5 100644 (file)
@@ -1,3 +1,660 @@
+2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
+
+       * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
+       additional argument. Support reduction when duplication is needed due
+       to data-types of different sizes in the loop.
+       (get_initial_def_for_induction): Fix printout.
+       (vect_get_vec_def_for_stmt_copy): Support case where the
+       vec_stmt_for_operand is a phi node.
+       (vectorizable_reduction): Support reduction when duplication is needed 
+       due to data-types of different sizes in the loop.
+       (vectorizable_call): Remove restriction to not vectorize in case we 
+       have data-types of different sizes in the loop.
+       (vectorizable_conversion): Likewise.
+       (vectorizable_operation): Likewise.
+       (vectorizable_type_demotion): Likewise.
+       (vectorizable_type_promotion): Likewise.
+       (vectorizable_induction): Add restriction to not vectorize in case 
+       we have data-types of different sizes in the loop.
+
+2008-08-14  Christophe Saout  <christophe@saout.de>
+           Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/37101
+       * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
+       (*vec_concatv2di_rex64_sse4_1): Ditto.
+       (*vec_concatv2di_rex64_sse): Ditto.
+
+2008-08-14  Jakub Jelinek  <jakub@redhat.com>
+
+       PR middle-end/37103
+       * fold-const.c (fold_widened_comparison): Do not allow
+       sign changes that change the result even if shorter type
+       is wider than arg1_unw's type.
+
+2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
+
+       * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
+       Skip if the multilib testing specifies -march that does not
+       agree with the one specified in the testcase.
+
+2008-08-13  Joseph Myers  <joseph@codesourcery.com>
+
+       * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
+       zero extend SImode values being converted to TFmode before passing
+       to libcalls.
+
+2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+       * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
+       __PPU__ when targeting the Cell/B.E. PPU processor.
+
+2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * gimple.h (gimple_call_set_chain): Accept SSA variables.
+       * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
+       Rematerialize the static chain, if any.
+       * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
+       static chain.
+
+2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
+       (new_loc_descr): Likewise.
+       (add_loc_descr): Likewise.
+       (size_of_loc_descr): Likewise.
+       (size_of_locs): Likewise.
+       (output_loc_operands): Likewise.
+       (output_loc_sequence): Likewise.
+       (new_reg_loc_descr): New.
+       (build_cfa_loc): Use it.
+       (build_cfa_aligned_loc): Likewise.
+       (one_reg_loc_descriptor): Likewise.
+       (based_loc_descr): Likewise.
+
+2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       PR 30551
+       * doc/invoke.texi (Wmain): Update.
+       * c-decl.c (start_decl): warn_main is only 0 or 1.
+       (start_function): Likewise. Fix formatting.
+       (finish_function): Delete redundant warning.
+       * c.opt (Wmain): Add Var(warn_main) and Init(-1).
+       * c-opts (c_common_handle_option): -Wall only has effect if
+       warn_main is uninitialized. OPT_Wmain is automatically
+       handled. -pedantic also enables Wmain.
+       (c_common_post_options): Handle all logic for Wmain here.
+       * c-common.c (warn_main): Delete.
+       (check_main_parameter_types): Make pedwarns conditional on
+       OPT_Wmain.
+       * c-common.h (warn_main): Delete.
+
+2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR middle-end/36701
+       * expr.c (emit_group_store): Allocate stack temp with the
+       largest alignment when copying from register to stack.
+
+2008-08-13  Richard Guenther  <rguenther@suse.de>
+
+       * tree.h (maybe_fold_offset_to_address): Declare.
+       * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
+       (ccp_fold): Handle pointer conversions the same as fold_stmt.
+       Likewise for POINTER_PLUS_EXPR.
+       (maybe_fold_offset_to_reference): Enable disabled code.
+       (maybe_fold_offset_to_address): New function.
+       (fold_stmt_r): Use it.
+       (fold_gimple_assign): Likewise.
+       * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
+       (gimplify_expr): Likewise.
+
+2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       * toplev.h (pedwarn_at): Fix declaration.
+       
+2008-08-13  Joseph Myers  <joseph@codesourcery.com>
+
+       * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
+       LINK_SPEC): Use %R in -Y P argument.
+
+2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       PR c/15236
+       * diagnostic.c (pedwarn_at): New.
+       * toplev.h (pedwarn_at): Declare.
+       * c-tree.h (build_enumerator): Update declaration.
+       * c-decl.c (finish_enum): Update comment.
+       (build_enumerator): Take a location parameter. Give a pedwarn but do
+       not perform any conversion.
+       * c-parser.c (c_parser_enum_specifier): Set correct location for
+       enumerator.
+
+2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       PR 35635
+       * c-common.c (conversion_warning): Use a switch. Ignore boolean
+       expressions except for conversions to signed:1 bitfields. Handle
+       COND_EXPR with constant operands.
+       
+2008-08-13  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/15255
+       * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
+       (struct oecount_s): New struct and VEC types.
+       (cvec): New global.
+       (oecount_hash): New function.
+       (oecount_eq): Likewise.
+       (oecount_cmp): Likewise.
+       (zero_one_operation): New function.
+       (build_and_add_sum): Likewise.
+       (undistribute_ops_list): Perform un-distribution of multiplication
+       and division on the chain of summands.
+       (should_break_up_subtract): Also break up subtracts for factors.
+       (reassociate_bb): Delete dead visited statements.
+       Call undistribute_ops_list.  Re-sort and optimize if it did something.
+       * passes.c (init_optimization_passes): Move DSE before
+       reassociation.
+       * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
+       PHI nodes.
+
+2008-08-12  Janis Johnson  <janis187@us.ibm.com>
+
+       * doc/invoke.texi (-fipa-pta): Say the option is experimental.
+
+       * doc/invoke.texi: Revert unintended checkin.
+
+2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
+
+       PR libgomp/26165
+       * gcc.c (include_spec_function): Tweak call to find_a_file.
+
+2008-08-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR middle-end/37014
+       * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
+       and TRUTH_ORIF_EXPR.
+       * dojump.c (do_jump): Likewise.
+
+       PR tree-optimization/37084
+       * tree-inline.c (copy_bb): Call gimple_regimplify_operands
+       if id->regimplify, don't assume stmt is a cast assignment.
+
+2008-08-12  Anatoly Sokolov  <aesok@post.ru>
+
+       * final.c (final_scan_insn): Use app_enable/app_disable functions.
+
+2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+       PR bootstrap/37097
+       * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
+       by last change.
+
+2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+       * defaults.h (TARGET_FLOAT_FORMAT): Remove.
+       (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
+
+       * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
+       * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
+       * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
+       * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
+       * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
+
+       * doc/tm.texi (Storage Layout): Remove documentation for
+       TARGET_FLOAT_FORMAT.
+
+       * simplify-rtx.c (simplify_binary_operation_1): Replace
+       TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
+
+2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+       * real.h (struct real_format): New member has_sign_dependent_rounding.
+       * real.c (ieee_single_format, mips_single_format, motorola_single_format,
+       spu_single_format, ieee_double_format, mips_double_format,
+       motorola_double_format, ieee_extended_motorola_format,
+       ieee_extended_intel_96_format, ieee_extended_intel_128_format,
+       ieee_extended_intel_96_round_53_format, ibm_extended_format,
+       mips_extended_format, ieee_quad_format, mips_quad_format,
+       vax_f_format, vax_d_format, vax_g_format): Initialize it.
+       * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
+
+       * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
+       MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
+       * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
+       MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
+       (ROUND_TOWARDS_ZERO): Likewise.
+
+       * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
+       (FLOAT_MODE_FORMAT): New macro.
+       (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
+       (MODE_COMPOSITE_P): ... this new macro.
+       (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
+       MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
+       * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
+
+       * flags.h: Include "real.h".
+
+       * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
+       REAL_MODE_FORMAT_COMPOSITE_P.
+       * simplify-rtx.c (simplify_const_binary_operation): Likewise.
+
+       * doc/tm.texi (Storage Layout): Remove documentation of
+       MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
+       MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
+       ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
+       they only apply to libgcc2.a.
+
+2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+       * config/spu/float_disf.c: New file.
+       * config/spu/float_unsdisf.c: New file.
+       * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
+       (LIB2FUNCS_EXCLUDE): Define.
+
+2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+           Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
+
+       * real.h (struct real_format): New member round_towards_zero.
+       * real.c (round_for_format): Respect fmt->round_towards_zero.
+       (ieee_single_format, mips_single_format, motorola_single_format,
+       spu_single_format, ieee_double_format, mips_double_format,
+       motorola_double_format, ieee_extended_motorola_format,
+       ieee_extended_intel_96_format, ieee_extended_intel_128_format,
+       ieee_extended_intel_96_round_53_format, ibm_extended_format,
+       mips_extended_format, ieee_quad_format, mips_quad_format,
+       vax_f_format, vax_d_format, vax_g_format): Initialize it.
+       * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
+
+       * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
+       real_format to choose rounding mode when calling MPFR functions.
+       (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
+       (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
+
+       * real.h (real_to_decimal_for_mode): Add prototype.
+       * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
+       Respect target rounding mode when generating decimal representation.
+       (real_to_decimal): New stub for backwards compatibility.
+       * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
+       real_to_decimal_for_mode instead of real_to_decimal.
+
+       * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
+
+2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+           Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
+
+       * real.c (spu_single_format): New variable.
+       * real.h (spu_single_format): Declare.
+
+       * config/spu/spu.c (spu_override_options): Install SFmode format.
+       (spu_split_immediate): Use integer mode to operate on pieces of
+       floating-point values in all cases.
+
+       * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
+       ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
+       ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
+
+2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+       * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
+
+2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+       * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
+
+2008-08-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR c++/36688
+       * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
+       on the VAR_DECL instead of TYPE_READONLY on its type.
+
+2008-08-12  Ira Rosen  <irar@il.ibm.com>
+
+       * tree-vectorizer.c: Depend on langhooks.h.
+       (supportable_widening_operation): Add two arguments. Support double
+       type conversions.
+       (supportable_narrowing_operation): Likewise.
+       * tree-vectorizer.h (supportable_widening_operation): Add two 
+       arguments.
+       (supportable_narrowing_operation): Likewise.
+       * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
+       supportable_widening_operation with correct arguments.
+       * tree-vect-transform.c (vectorizable_conversion): Likewise.
+       (vectorizable_type_demotion): Support double type conversions.
+       (vectorizable_type_promotion): Likewise.
+       * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
+
+2008-08-11  Michael Matz  <matz@suse.de>
+
+       * i386/i386.c (override_options): Move initialisation from
+       flag_schedule_insns_after_reload to here from ...
+       (optimization_options): ... here.
+
+2008-08-11  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/36998
+       * dwarf2out.c (compute_barrier_args_size_1,
+       compute_barrier_args_size): Temporarily remove assertions.
+
+2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       PR middle-end/20644
+       * tree-ssa.c (struct walk_data): Add new flag
+       warn_possibly_uninitialized.
+       (warn_uninitialized_var): Use it.
+       (warn_uninitialized_vars): New.
+       (execute_early_warn_uninitialized): Call it.
+       (execute_late_warn_uninitialized): Likewise.
+
+2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+       PR middle-end/36238
+       * reload1.c (gen_reload): Guard calls to get_secondary_mem
+       for memory subregs.
+
+2008-08-09  Jan Hubicka  <jh@suse.cz>
+
+       PR target/37055
+       * optabs.c (maybe_emit_unop_insn): Remove produced code if
+       expansion failed.
+       (expand_fix): Be prepared for expansion to fail.
+       (expand_sfix_optab): Remove instructions if expansion failed.
+
+2008-08-09  Anatoly Sokolov  <aesok@post.ru>
+
+       * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
+       avr31 architecture.
+       * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
+       * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
+
+2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
+       mips/t-libgcc-mips16 to tmake_file.
+       * config/mips/mips-protos.h (mips_call_type): New enum.
+       (mips_pic_base_register, mips_got_load): Declare.
+       (mips_restore_gp): Take an rtx argument.
+       (mips_use_pic_fn_addr_reg_p): Declare.
+       (mips_expand_call): Replace the sibcall_p argument with
+       a mips_call_type argument.  Add a lazy_p parameter.
+       (mips_split_call): Declare.
+       * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
+       (MIPS16_PIC_TEMP): Likewise.
+       (reg_class): Delete M16_NA_REGS.
+       (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
+       (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
+       (mips_split_hi_p): Declare.
+       * config/mips/mips.c (mips_split_hi_p): New array.
+       (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
+       (mips_got_symbol_type_p): New function.
+       (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
+       (mips16_stub_function_p): New function.
+       (mips16_local_function_p): Likewise.
+       (mips_use_pic_fn_addr_reg_p): Likewise.
+       (mips_cannot_force_const_mem): Return false for HIGHs.
+       Extend CONST_INT and symbolic handling to MIPS16, using
+       mips_symbol_insns to check that the base symbol type is a
+       legitimate constant.  Reject GOT-based constants if
+       TARGET_MIPS16_PCREL_LOADS.
+       (mips_const_insns): Check targetm.cannot_force_const_mem when
+       decomposing a symbolic base and a large offset.
+       (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
+       When calling a function that needs $25 from MIPS16 code,
+       move the target address into $25 separately and add a USE
+       to the call insn.
+       (mips16_gp_pseudo_reg): Insert the initializer immediately
+       before the first real insn.
+       (mips_pic_base_register, mips_got_load): New functions.
+       (mips_split_symbol): Generalize the name of the LO_SUM_OUT
+       parameter to LOW_OUT.  Say that it can be any valid SET_SRC
+       when splitting a load-address operation.  Split SYMBOL_GOT_DISP
+       constants and highs of SYMBOL_GOT_PAGE_OFST constants.
+       (mips_call_tls_get_addr): Update the call to mips_expand_call,
+       also passing NULL_RTX rather than const0_rtx as the aux argument.
+       (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
+       instead of TARGET_EXPLICIT_RELOCS.
+       (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
+       (mips_load_call_address): Replace the sibcall_p argument with
+       a mips_call_type argument.  Use mips_got_load.
+       (mips16_local_alias): New structure.
+       (mips16_local_aliases): New variable.
+       (mips16_local_aliases_hash): New function.
+       (mips16_local_aliases_eq): Likewise.
+       (mips16_local_alias): Likewise.
+       (mips16_stub_function): Likewise.
+       (mips16_build_function_stub): Create a local alias for the target
+       function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
+       .cpload directive and an R_MIPS_NONE relocation for the target
+       function, then load the alias rather than the function itself.
+       Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
+       (mips16_copy_fpr_return_value): Use mips16_stub_function and
+       mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
+       (mips16_build_call_stub): Replace the FN parameter with an
+       FN_PTR parameter.  Force the address into a register if it
+       isn't a call_insn_operand; don't rely on the caller to do this.
+       If a call to a locally-defined and locally-binding MIPS16
+       function must be made indirectly, redirect the call to the
+       function's local alias.  Use mips16_stub_function_p,
+       mips16_stub_function, mips_expand_call and use_reg.
+       Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
+       Use explicit %hi and %lo accesses where possible.
+       Use MIPS_CALL to generate the correct code form of a
+       jal instruction.  Add clobbers of $18 instead of uses.
+       Update the call to mips_emit_call_insn.
+       (mips_expand_call): Replace the SIBCALL_P argument with a
+       mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
+       Take a LAZY_P parameter.  Call mips16_build_call_stub first,
+       allowing it to modify the call address.  Update the calls to
+       mips_load_call_address and mips_emit_call_insn.
+       (mips_split_call): New function.
+       (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
+       !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
+       SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
+       (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
+       (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
+       if TARGET_MIPS16.
+       (mips_cprestore_slot): New function.
+       (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
+       and use mips_cprestore_slot.
+       (mips_output_function_prologue): Handle TARGET_MIPS16 for
+       LOADGP_OLDABI.
+       (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
+       then use a copygp_mips16 instruction to set up $28.
+       (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
+       (mips16_lay_out_constants): Call split_all_insns_noflow.
+       (mips_reorg_process_insns): Explicitly set all_noreorder_p to
+       false if TARGET_MIPS16.
+       (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
+       (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
+       mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
+       (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
+       MIPS16 code.  Allow MIPS16 o32 PIC.
+       (mips_override_options): Allow MIPS16 o32 PIC.
+       * config/mips/mips.md: Lower CONST_GP_P moves into register moves
+       after reload if TARGET_USE_GOT.
+       (UNSPEC_COPYGP): New constant.
+       (length): Use a default length of 8 for MIPS16 GOT loads.
+       (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
+       (*got_page<mode>): Check mips_split_hi_p.
+       (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
+       (unspec_got<mode>, unspec_call<mode>): New expanders.
+       (load_got<mode>, load_call<mode>): Remove the length attributes.
+       Use a got attribute instead of a type attribute.
+       (copygp_mips16): New insn.
+       (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
+       (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
+       (sibcall, sibcall_value, call, call_value): Update the calls
+       to mips_expand_call.
+       (call_internal, call_value_internal): Use mips_split_call.
+       (call_value_multiple_internal): Likewise.
+       (call_split): Move after call_internal (the insn it is split from).
+       (call_internal_direct, call_value_internal_direct): Turn into
+       define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
+       (call_direct_split, call_value_direct_split): New patterns.
+       * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
+       and use M16_REGS instead of M16_NA_REGS.
+       * config/mips/predicates.md (const_call_insn_operand): Replace
+       the TARGET_ABSOLUTE_ABICALLS-based check with a more general
+       mips_use_pic_fn_addr_reg_p check.
+       (move_operand): Reject HIGHs if mips_split_hi_p.
+       * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
+       (__mips16_floatunsisf): Inline __mips16_floatsisf.
+       (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
+       * config/mips/libgcc-mips16.ver: New file.
+       * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
+       $(srcdir)/config/mips/libgcc-mips16.ver.
+
+2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
+       (mips_unspec_address, mips_unspec_offset_high): Likewise.
+       (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
+       (mips16_cfun_returns_in_fpr_p): Likewise.
+
+2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
+       * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
+       rather than 4 to PC.
+
+2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
+       (FUNCTION_PROFILER): Save the static chain pointer into $2
+       beforehand and restore it aftewards.
+       (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
+       address directly into $25 and call the function through $25;
+       do not clobber $3.  Pad the DImode version to cover the space
+       left by the deleted $25 <- $3 move.
+       (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
+       the removal of the $25 <- $3 move.
+       (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
+       * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
+
+2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
+           Daniel Jacobowitz  <dan@codesourcery.com>
+
+       * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
+       * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
+       (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
+       * config/mips/mips.c (mips_start_function_definition): New function.
+       (mips_end_function_definition): Likewise.
+       (mips_output_function_prologue): Use mips_start_function_definition.
+       (mips_output_function_epilogue): Use mips_end_function_definition.
+       (build_mips16_function_stub): Use mips_start_function_definition
+       and mips_end_function_definition.
+       (build_mips16_call_stub): Likewise.
+
+2008-08-09  Richard Guenther  <rguenther@suse.de>
+
+       * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
+       * gimple.h (gimple_call_fn): Adjust comment.
+       (gimple_call_set_fndecl): New function.
+       (gimple_call_fndecl): Adjust for GIMPLE_CALL no
+       longer having bare FUNCTION_DECL operand.
+       (gimple_call_return_type): Likewise.
+       * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
+
+       * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
+       (gimple_mod_pow2): Likewise.
+       (gimple_mod_subtract): Likewise.
+       (gimple_ic): Likewise.
+       (gimple_stringop_fixed_value): Likewise.
+       (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
+       longer having bare FUNCTION_DECL operand.
+       * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
+       * omp-low.c (optimize_omp_library_calls): Likewise.
+       * cgraphunit.c (update_call_expr): Likewise.
+       * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
+       (execute_convert_to_rsqrt): Likewise.
+       * cfgexpand.c (gimple_to_tree): Simplify.
+       (release_stmt_tree): Fix for GIMPLE_CALL no longer having
+       bare FUNCTION_DECL operand.
+       * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
+       (convert_gimple_call): Use gimple_call_fndecl.
+       * c-common.c (c_warn_unused_result): Likewise.
+
+2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       PR c/17880
+       * c-typeck.c (digest_init): Call verify_sequence_points from here.
+       (c_finish_return): Likewise.
+       (c_start_case): Likewise.
+       * c-common.c (warn_for_collisions_1): Use explicit location in
+       warning.
+       * c-parser.c (c_parser_condition): New. Call
+       verify_sequence_points.
+       (c_parser_paren_condition): Call c_parser_condition.
+       (c_parser_for_statement): Call c_parser_condition.
+
+2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       PR 36901
+       * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.  
+       * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
+       Moved from diagnostic.h
+       (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
+       DK_PERMERROR.
+       (emit_diagnostic): New.
+       (warning0, pedwarn0): Delete.
+       (warning, warning_at, pedwarn, permerror): Return bool.  
+       * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
+       Moved to diagnostic.c.
+       (struct diagnostic_context): Use correct type for
+       classify_diagnostic.
+       (diagnostic_report_diagnostic): Update declaration.
+       (emit_diagnostic): Declare.
+       * errors.c (warning): Return bool.  
+       * errors.h (warning): Update declaration.
+       * toplev.h (warning0, pedwarn0): Delete.
+       (warning, warning_at, pedwarn, permerror): Return bool.
+       * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
+       * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
+       inform. Update all calls.
+       (diagnose_mismatched_decls): Check return value of warning/pedwarn
+       before giving informative note.
+       (implicit_decl_warning): Likewise.  
+       * c-typeck.c (build_function_call): Likewise.  
+       * tree-sssa.c (warn_uninit): Likewise.  
+       * builtins.c (gimplify_va_arg_expr): Likewise.
+
+2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       PR 7651
+       * doc/invoke.texi (-Wextra): Move warning from here...
+       (-Wuninitialized): ... to here.
+       
+2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       PR 28875
+       * flags.h (set_Wunused): Delete
+       * toplev.c (process_options): Handle Wunused flags here.
+       * opts.c (maybe_warn_unused_parameter): Delete.
+       (common_handle_option): Replace set_Wunused by warn_unused.
+       (set_Wextra): Do not handle Wunused-parameter here.
+       (set_Wunused): Delete.
+       * c-opts.c (c_common_handle_option): Replace set_Wunused by
+       warn_unused.
+       * common.opt (Wunused): Add Var and Init.
+       (Wunused-function): Likewise.
+       (Wunused-label): Likewise.
+       (Wunused-parameter): Likewise.
+       (Wunused-value): Likewise.
+       (Wunused-variable): Likewise.
+       
+2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
+
+       * doc/invoke.texi: Add cpu_type power7.
+       * config.in (HAVE_AS_VSX): New.
+       * config.gcc: Add cpu_type power7.
+       * configure.ac (HAVE_AS_VSX): Check for assembler support of the
+       VSX instructions.
+       * configure: Regenerate.
+       * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
+       power5.
+       * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
+       (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
+       (EXTRA_SPECS): Add asm_cpu_power7 spec string.
+
 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
 
        * tree-vect-transform.c (vectorizable_conversion): Pass the integral
 
 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
        
-       * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming value
-       in a6 after the set_frame_ptr insn.
+       * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
+       value in a6 after the set_frame_ptr insn.
        
 2008-08-07  Richard Henderson  <rth@redhat.com>
 
        * matrix-reorg.c (compute_offset): Avoid C++ keywords.
 
 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
-       
+
        PR 26785
        * diagnostic.c (permerror_at): New.
        * toplev.h (permerror_at): Declare.