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* config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 3b86e5c..7f72336 100644 (file)
@@ -1,3 +1,511 @@
+2007-04-24  Janis Johnson  <janis187@us.ibm.com>
+
+       * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
+       expand on the comment about _Decimal128 arguments and check the
+       integer result of the modulus operation; for 64-bit ELF ABI, ensure
+       that _Decimal128 argument uses even/odd register pair.
+       (function_arg): Ditto.
+
+2007-04-24  Hui-May Chang <hm.chang@apple.com>
+
+       * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
+       instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
+
+2007-04-24  Richard Guenther  <rguenther@suse.de>
+           Olga Golovanevsky  <olga@il.ibm.com>
+
+       * fold-const.c (multiple_of_p): Check for bottom 
+       to be zero. 
+
+2007-04-24  Richard Henderson  <rth@redhat.com>
+
+       * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from 
+       IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
+       * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
+       looking for non-zero bits shifted out.  Avoid a recursive call
+       when constructing the scalar.
+       (__floatundisf): Likewise.
+
+2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
+
+       * dwarf2out.c (field_byte_offset): Move the existing logic
+       under the control of PCC_BITFIELD_TYPE_MATTERS and just use
+       the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
+
+2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       PR target/31641
+       * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
+       argument of 0 for memset.
+       (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
+       unsigned shift instead of the signed variant.
+
+2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
+       "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
+       "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
+       "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
+       "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
+       "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
+       "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
+       "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
+       "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
+       ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
+       "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
+       "mul<mode>3", "div<mode>3"): Insn definitions added.
+       ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
+       "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
+       to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
+       ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
+       "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
+       "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
+       ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
+       * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
+       TARGET_FLOAT_FORMAT): Macro definitions removed.
+       (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
+       * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
+       z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
+       (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
+       (s390_gen_rtx_const_DI): Function removed.
+       * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
+
+2007-04-24  Richard Sandiford  <richard@codesourcery.com>
+
+       * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
+       over an external ffs function.
+
+2007-04-24  Chao-ying Fu  <fu@mips.com>
+           Richard Sandiford  <richard@nildram.co.uk>
+
+       * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
+       * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
+       (smadd_widen_optab, umadd_widen_optab): Define.
+       * optabs.c (init_optabs): Initialize smadd_widen_optab and
+       umadd_widen_optab.
+       * genopinit.c (optabs): Fill in smadd_widen_optab and
+       umadd_widen_optab.
+       * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
+       and umadd_widen_optab to implement multiply-add sequences.
+       * config/mips/mips.md (*<su>mul_acc_di): Rename to...
+       (<u>maddsidi4): ...this.  Extend condition to include
+       GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
+       of operand 0 to "ka" and use the three-operand form of madd<u>
+       for TARGET_DSPR2.
+       * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
+       to define_expands.
+       * config/mips/constraints.md (ka): New register constraint.
+
+2007-04-24  Jan Hubicka  <j@suse.cz>
+
+       Revert:
+
+       2007-04-23  Jan Hubicka  <jh@suse.cz>
+       * function.c (init_function_start): Don't init line number info.
+       (expand_function_end): Update.
+       (reset_block_changes, record_block_change, finalize_block_changes,
+       check_block_change, free_block_changes): Kill.
+       * function.h (reset_block_changes, record_block_change,
+       finalize_block_changes, check_block_change, free_block_changes): Remove
+       prototypes.
+       (struct function): Remove ib_boundaries_block.
+       * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
+       Use curr_insn_locator to initialize locator.
+       (emit_line_note): Remove.
+       * cfgexpand.c (expand_gimple_cond_expr): Update.
+       (construct_exit_block): Likewise.
+       (tree_expand_cfg): Initialize/finalize locators.
+       * expr.c (expand_expr_real): Update.
+       * cfglayout.c (line_locators_locs, line_locators_lines,
+       file_locators_locs, file_locators_files): Remove.
+       (set_block_levels): Move to cfgexpand.c.
+       (insn_locators_initialize): Remove.
+       (pass_insn_locators_initialize): Remove.
+       (locations_locators_locs, locations_locators_vals): New static vars.
+       (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
+       Likewise.
+       (insn_locators_alloc, insn_locators_finalize,
+       set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+       New functions.
+       (locator_location): New.
+       (locator_line, locator_file): Rewrite.
+       * rtl.h (emit_line_note): Kill.
+       (insn_locators_alloc, insn_locators_finalize,
+       set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+       Declare.
+       * tree-inline.c (initialize_cfun): Do not initialize
+       ib_boundaries_block.
+       * passes.c (pass_insn_locators_initialize): Remove.
+
+2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
+
+       * doc/invoke.texi: Removed leading '-' from option index entries.
+
+2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
+       Use phi_nodes_ptr.
+       (create_phi_node): Use set_phi_nodes.
+       * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
+       * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
+       (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
+       * tree-flow-inline.h (phi_nodes, set_phi_nodes,
+       (bsi_start, bsi_last): Use bb_stmt_list.
+       (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
+       * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
+       Traverse the statements using tsi iterator.
+       * basic-block.h (struct basic_block_def): Fields stmt_list
+       and phi_nodes moved to ...
+       (struct tree_bb_info): ... new structure.
+       * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
+       (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
+       (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
+       (tree_verify_flow_info): Verify that il.tree is not set for
+       entry and exit block.
+       (tree_split_block): Use set_bb_stmt_list.
+
+2007-04-23  Mike Stump  <mrs@apple.com>
+
+       * config/i386/i386.c (ix86_tune_features
+       [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
+       nocona and core2.
+
+2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.md (prefix_extra): New attribute.
+       (length): Add prefix_extra.
+
+       * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
+       (sse2_movntv2di): Likewise.
+       (sse2_cvtps2dq): Likewise.
+       (sse2_cvtpd2pi): Likewise.
+       (sse2_cvttpd2pi): Likewise.
+       (*sse2_cvtpd2ps): Likewise.
+       (*add<mode>3): Likewise.
+       (sse2_ssadd<mode>3): Likewise.
+       (sse2_usadd<mode>3): Likewise.
+       (*sub<mode>3): Likewise.
+       (sse2_sssub<mode>3): Likewise.
+       (sse2_ussub<mode>3): Likewise.
+       (*mulv8hi3): Likewise.
+       (*smulv8hi3_highpart): Likewise.
+       (*umulv8hi3_highpart): Likewise.
+       (sse2_umulv2siv2di3): Likewise.
+       (sse2_pmaddwd): Likewise.
+       (ashr<mode>3): Likewise.
+       (lshr<mode>3): Likewise.
+       (ashl<mode>3): Likewise.
+       (sse2_ashlti3): Likewise.
+       (sse2_lshrti3): Likewise.
+       (*umaxv16qi3): Likewise.
+       (*smaxv8hi3): Likewise.
+       (*uminv16qi3): Likewise.
+       (*sminv8hi3): Likewise.
+       (sse2_eq<mode>3): Likewise.
+       (sse2_gt<mode>3): Likewise.
+       (*and<mode>3): Likewise.
+       (sse2_nand<mode>3): Likewise.
+       (*ior<mode>3): Likewise.
+       (*xor<mode>3): Likewise.
+       (sse2_packsswb): Likewise.
+       (sse2_packssdw): Likewise.
+       (sse2_packuswb): Likewise.
+       (sse2_punpckhbw): Likewise.
+       (sse2_punpcklbw): Likewise.
+       (sse2_punpckhwd): Likewise.
+       (sse2_punpcklwd): Likewise.
+       (sse2_punpckhdq): Likewise.
+       (sse2_punpckldq): Likewise.
+       (sse2_punpckhqdq): Likewise.
+       (sse2_punpcklqdq): Likewise.
+       (*sse2_pinsrw): Likewise.
+       (*sse2_pextrw): Likewise.
+       (sse2_pshufd_1): Likewise.
+       (sse2_uavgv16qi3): Likewise.
+       (sse2_uavgv8hi3): Likewise.
+       (sse2_psadbw): Likewise.
+       (sse2_pmovmskb): Likewise.
+       (*sse2_maskmovdqu): Likewise.
+       (*sse2_maskmovdqu_rex64): Likewise.
+       (sse4a_extrqi): Likewise.
+       (sse4a_extrq): Likewise.
+       (sse3_lddqu): Set prefix_rep.
+       (sse3_addsubv4sf3): Likewise.
+       (sse3_haddv4sf3): Likewise.
+       (sse3_hsubv4sf3): Likewise.
+       (sse_cvtss2si): Likewise.
+       (sse_cvtss2si_2): Likewise.
+       (sse_cvtss2siq): Likewise.
+       (sse_cvtss2siq_2): Likewise.
+       (sse_cvttss2si): Likewise.
+       (sse_cvttss2siq): Likewise.
+       (sse2_cvttps2dq): Likewise.
+       (sse3_movshdup): Likewise.
+       (sse3_movsldup): Likewise.
+       (sse2_cvtsd2si): Likewise.
+       (sse2_cvtsd2si_2): Likewise.
+       (sse2_cvtsd2siq): Likewise.
+       (sse2_cvtsd2siq_2): Likewise.
+       (sse2_cvttsd2si): Likewise.
+       (sse2_cvttsd2siq): Likewise.
+       (*sse2_cvtpd2dq): Likewise.
+       (*sse2_cvttpd2dq): Likewise.
+       (sse2_pshuflw_1): Likewise.
+       (sse2_pshufhw_1): Likewise.
+       (sse4a_insertqi): Likewise.
+       (sse4a_insertq): Likewise.
+       (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
+       (ssse3_phadddv4si3): Likewise.
+       (ssse3_phaddswv8hi3): Likewise.
+       (ssse3_phsubwv8hi3): Likewise.
+       (ssse3_phsubdv4si3): Likewise.
+       (ssse3_phsubswv8hi3): Likewise.
+       (ssse3_pmaddubswv8hi3): Likewise.
+       (ssse3_pmulhrswv8hi3): Likewise.
+       (ssse3_pshufbv16qi3): Likewise.
+       (ssse3_psign<mode>3): Likewise.
+       (ssse3_palignrti): Likewise.
+       (abs<mode>2): Likewise.
+       (ssse3_phaddwv4hi3): Set prefix_extra.
+       (ssse3_phadddv2si3): Likewise.
+       (ssse3_phaddswv4hi3): Likewise.
+       (ssse3_phsubwv4hi3): Likewise.
+       (ssse3_phsubdv2si3): Likewise.
+       (ssse3_phsubswv4hi3): Likewise.
+       (ssse3_pmaddubswv4hi3): Likewise.
+       (ssse3_pmulhrswv4hi3): Likewise.
+       (ssse3_pshufbv8qi3): Likewise.
+       (ssse3_psign<mode>3): Likewise.
+       (ssse3_palignrdi): Likewise.
+       (abs<mode>2): Likewise.
+       (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
+       (*vec_dupv2df): Set mode to V2DF instead of V4SF.
+       (sse2_pmovmskb): Set mode to SI instead of V2DF.
+
+2007-04-23  Nick Clifton  <nickc@redhat.com>
+
+       * params.def: Fix formatting of emacs local variables.
+
+2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/sse.md (sse2_stored): Don't split to inter-unit
+       move if inter-unit move isn't allowed.
+       Don't split moving the first element of V2DI to DI to inter-unit
+       move if inter-unit move isn't allowed.
+
+2007-04-23  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
+       and CDI_POST_DOMINATORS separately.
+
+2007-04-23  Nick Clifton  <nickc@redhat.com>
+
+       * c.opt (Wformat-contains-nul): Add warning attribute.
+
+2007-04-23  Jan Hubicka  <jh@suse.cz>
+
+       * function.c (init_function_start): Don't init line number info.
+       (expand_function_end): Update.
+       (reset_block_changes, record_block_change, finalize_block_changes,
+       check_block_change, free_block_changes): Kill.
+       * function.h (reset_block_changes, record_block_change,
+       finalize_block_changes, check_block_change, free_block_changes): Remove
+       prototypes.
+       (struct function): Remove ib_boundaries_block.
+       * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
+       Use curr_insn_locator to initialize locator.
+       (emit_line_note): Remove.
+       * cfgexpand.c (expand_gimple_cond_expr): Update.
+       (construct_exit_block): Likewise.
+       (tree_expand_cfg): Initialize/finalize locators.
+       * expr.c (expand_expr_real): Update.
+       * cfglayout.c (line_locators_locs, line_locators_lines,
+       file_locators_locs, file_locators_files): Remove.
+       (set_block_levels): Move to cfgexpand.c.
+       (insn_locators_initialize): Remove.
+       (pass_insn_locators_initialize): Remove.
+       (locations_locators_locs, locations_locators_vals): New static vars.
+       (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
+       Likewise.
+       (insn_locators_alloc, insn_locators_finalize,
+       set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+       New functions.
+       (locator_location): New.
+       (locator_line, locator_file): Rewrite.
+       * rtl.h (emit_line_note): Kill.
+       (insn_locators_alloc, insn_locators_finalize,
+       set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+       Declare.
+       * tree-inline.c (initialize_cfun): Do not initialize
+       ib_boundaries_block.
+       * passes.c (pass_insn_locators_initialize): Remove.
+
+2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+       PR middle-end/31448
+       * expr.c (reduce_to_bit_field_precision): Handle
+       CONST_INT rtx's.
+
+2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR tree-optimization/24659
+       * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
+       OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
+       (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
+       * genopinit.c (optabs): Rename vec_pack_mod_optab
+       to vec_pack_trunc_optab.
+       * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
+       early for scalar floating point operands for NOP_EXPR.
+       (vectorizable_type_promotion): Ditto.
+       * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
+       vec_pack_trunc_optab.
+       (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
+
+       * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
+       * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
+       Rename from VEC_PACK_MOD_EXPR.
+       (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
+       * expr.c (expand_expr_real_1): Ditto.
+       * tree-inline.c (estimate_num_insns_1): Ditto.
+       * tree-vect-generic.c (expand_vector_operations_1): Ditto.
+
+       * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
+       (vec_unpacks_lo_v4sf): Ditto.
+       (vec_pack_trunc_v2df): Ditto.
+       (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
+       (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
+       (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
+
+       * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
+       vec_pack_mod_v8hi.
+       (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
+
+       * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
+       Rename from VEC_PACK_MOD_EXPR.  This expression also represent
+       packing of floating point operands.
+       [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
+       represent unpacking of floating point operands.
+       * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
+       [vec_unpacks_hi]: Ditto.
+       [vec_unpacks_lo]: Ditto.
+
+2007-04-22  Jan Hubicka  <jh@suse.cz>
+
+       * final.c (rest_of_handle_final): Call
+       targetm.asm_out.constructor/targetm.asm_out.destructor
+       * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
+       proper priority via decl_*_priority_insert.
+       * c-common.c (c_expand_body): Likewise.
+
+2007-04-22  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/29789
+       * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
+       (rewrite_reciprocal): New helper split out from
+       determine_invariantness_stmt.
+       (rewrite_bittest): Likewise.
+       (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
+       A & (1 << B) if (1 << B) is loop invariant but (A >> B)
+       is not.
+
+2007-04-22  Revital Eres  <eres@il.ibm.com>
+
+       * loop-unroll.c (var_to_expand): New field to support also
+       insns of the form x = something + x.
+       (analyze_insn_to_expand_var): Use it.
+       (expand_var_during_unrolling): Likewise.
+
+2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       * predict.c: Include pointer-set.h.
+       (bb_predictions): New variable.
+       (tree_predicted_by_p, tree_predict_edge,
+       remove_predictions_associated_with_edge): Use bb_predictions map
+       instead of bb->predictions.
+       (clear_bb_predictions, assert_is_empty): New functions.
+       (combine_predictions_for_bb): Use bb_predictions map.  Call
+       clear_bb_predictions.
+       (tree_estimate_probability): Create and free bb_predictions map.
+       * Makefile.in (predict.o): Add pointer-set.h dependency.
+       * basic-block.h (struct basic_block_def): Remove predictions
+       field.
+       * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
+
+2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       PR target/31480
+       * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
+       is null.
+
+2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+       * timevar.c (timevar_print): Change reference of --disable-checking to
+       --enable-checking=release.  Also warn if assert checking is disabled.
+
+2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+       PR C/30265
+       * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
+       decl as addressable if the compound literal was marked as
+       addressable.
+       Mark the decl as a gimple register if it is a complex or
+       vector decl and does not live in memory.
+
+2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+       * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
+       (GENERIC_NEXT): New function macro.
+       (PHI_CHAIN): Use phi_node's new chain variable.
+       (tree_phi_node): Change tree_common to tree_base
+       and add the chain field.
+       * tree-phinodes.c (make_phi_node): Don't set
+       TREE_TYPE on the new node.
+       * c-decl.c (lang_tree_node): Use GENERIC_NEXT
+       instead of checking GIMPLE_TUPLE_P in chain_next.
+       * tree-vect-transform.c
+       (get_initial_def_for_induction): Look at
+       PHI_RESULT_TREE for the type of the phi node.
+       (update_vuses_to_preheader): Use PHI_CHAIN
+       instead of TREE_CHAIN on the phi node.
+       * tree-ssa-structalias.c (compute_points_to_sets):
+       Likewise.
+       (ipa_pta_execute): Likewise.
+
+2007-04-21  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/31136
+       * fold-const.c (fold_unary): Call fold_convert_const on the
+       original tree.
+
+2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
+
+       * gcse.c (store_killed_in_insn): Handle PARALLELs.
+       (store_killed_in_pat): New.
+
+2007-04-20  Richard Henderson  <rth@redhat.com>
+
+       PR target/31628
+       * config/i386/i386.c (type_has_variadic_args_p): Look for any
+       TREE_LIST with a void_type_node value, not void_list_node exactly.
+
+2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
+
+       * doc/standards.texi: Re-arrange into language-specific
+       subsections. Add a C++ section, documenting which standards we
+       support.
+
+2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
+       * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
+
+2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
+
+       * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
+       ecrti.o and crtbegin.o.
+       (LIB_DEFAULT_SPEC): Include -lc.
+       (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
+
 2007-04-20  Richard Henderson  <rth@redhat.com>
 
        PR target/28623
        compilation unit.
 
        * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
-        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
+       (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
        This hook indicates if a type is generic.  Set it by default
        to "never generic".
        * langhooks.h (struct lang_hooks_for_types): Add a new hook
 
 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
 
-        * function.h: Remove sequence_stack extern declaration.
+       * function.h: Remove sequence_stack extern declaration.
 
 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
 
 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 
        PR c/31520
-        * c-decl.c (finish_decl): Grab the type of the decl after the call
+       * c-decl.c (finish_decl): Grab the type of the decl after the call
        to store_init_value.
 
 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
        [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
 
 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
-            Charles Wilson  <libtool@cwilson.fastmail.fm>
+           Charles Wilson  <libtool@cwilson.fastmail.fm>
 
        * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
        (libgcc.mvars): Don't depend on them.
 
 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
 
-        * config/score/crti.asm: Change _bss_start to __bss_start.
-        * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
-        (OUTGOING_REG_PARM_STACK_SPACE) update.
-        * config/score/score.opt: add options to make backend support
-        score5, score5u, score7 and score7d.
-        * config/score/score.md: Likewise.
-        * config/score/misc.md: Likewise.
-        * config/score/mac.md: Likewise.
-        * doc/invoke.texi: Likewise.
-        * doc/md.texi: update constraints define.
+       * config/score/crti.asm: Change _bss_start to __bss_start.
+       * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
+       (OUTGOING_REG_PARM_STACK_SPACE) update.
+       * config/score/score.opt: add options to make backend support
+       score5, score5u, score7 and score7d.
+       * config/score/score.md: Likewise.
+       * config/score/misc.md: Likewise.
+       * config/score/mac.md: Likewise.
+       * doc/invoke.texi: Likewise.
+       * doc/md.texi: update constraints define.
 
 2007-04-03  Richard Henderson  <rth@redhat.com>