+2005-04-14 Julian Brown <julian@codesourcery.com>
+
+ * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
+ link failures on ppc64 Linux.
+
+2005-04-14 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config.gcc: Set cpu_type for s390.
+
+2005-04-14 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/20963
+ * tree-ssa-pre.c (compute_avail): Remove special case for
+ TREE_INVARIANT.
+ (create_expression_by_pieces): Add value numbers for forced out
+ statements.
+
+2005-04-14 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.md: Replace references to (reg:SI 16) with
+ (reg:SI CRIS_SRP_REGNUM).
+
+2005-04-14 Kazu Hirata <kazu@cs.umass.edu>
+
+ PR tree-optimization/20657
+ * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
+ create an appropriate range from it.
+
+2005-04-14 Uros Bizjak <uros@kss-loka.si>
+
+ * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
+ <UNSPEC_FIST_CEIL> case.
+
+ * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
+ (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
+ (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
+ to implement lfloor and llfloor built-ins as x87 intrinsic function.
+ (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
+ (lfloor<mode>2): New expanders.
+ (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
+ (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
+ to implement lceil and llceil built-ins as x87 intrinsic function.
+ (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
+ (lceil<mode>2): New expanders.
+
+2005-04-14 Uros Bizjak <uros@kss-loka.si>
+
+ * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
+ and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
+
+2005-04-14 Ulrich Weigand <uweigand@de.ibm.com>
+
+ PR target/20927
+ * config/s390/s390-modes.def: Define TFmode.
+
+2005-04-13 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
+ (JUMP_TABLES_IN_TEXT_SECTION): Define.
+ * config/mips/mips.c (mips16_insn_length): Remove reference to
+ JUMP_TABLES_IN_TEXT_SECTION.
+
+2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
+
+ * simplify-rtx.c (simplify_binary_operation_1): Return
+ scalar or vector of constant 0, depending on the xor's
+ mode.
+
+2005-04-13 Dale Johannesen <dalej@apple.com>
+
+ * objc/Make-lang.in (objc-lang.o): Depend on tree-gimple.h.
+ (objc-act.o): Ditto.
+ * objc/objc-act.c (objc_gimplify_expr): New.
+ (objc_get_callee_fndecl): New.
+ * objc/objc-act.h: Include tree-gimple.h. Declare new functions.
+ * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR): Define.
+ (LANG_HOOKS_GET_CALLEE_FNDECL): Define.
+
+2005-04-13 Devang Patel <dpatel@apple.com>
+
+ * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
+ temp variables.
+
+2005-04-13 Hans-Peter Nilsson <hp@axis.com>
+
+ CRIS prologue as RTL.
+ * config/cris/cris-protos.h (cris_emit_movem_store)
+ (cris_expand_prologue): Prototype.
+ * config/cris/cris.c (struct machine_function): New member
+ stdarg_regs.
+ (cfa_label_num, cris_target_asm_function_prologue): Remove.
+ (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
+ (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
+ (cris_load_multiple_op, cris_return_address_on_stack)
+ (cris_return_address_on_stack_for_return): ISO-Cify.
+ (cris_store_multiple_op): New predicate function.
+ (cris_expand_prologue, cris_emit_movem_store): New functions.
+ (cris_print_operand) <case 'O'>: Handle modifications other than
+ post-increment.
+ (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
+ (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
+ (cris_gen_movem_load): Rearrange slightly to make local variable
+ src a parameter, removing osrc.
+ (cris_setup_incoming_varargs): Set machine_function member
+ stdarg_regs to correspond to the number of registers that need to
+ be saved.
+ * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
+ CRIS_UNSPEC_GOT.
+ (PREDICATE_CODES): Add cris_store_multiple_op. Make
+ cris_general_operand_or_gotless_symbol accept UNSPEC.
+ * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
+ ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
+ ("*cris_store_multiple"): New pattern. Tweak common comment above
+ this and "*cris_load_multiple".
+ ("prologue"): New define_expand.
+
+ * config/cris/cris.md ("epilogue"): Conditionalize on
+ TARGET_PROLOGUE_EPILOGUE.
+
+2005-04-13 Steve Ellcey <sje@cup.hp.com>
+
+ PR target/20924
+ * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
+ fpsr 0 instead of fpsr 1.
+ (divsf3_internal_thr): Ditto.
+ (divdf3_internal_lat): Ditto.
+ (divdf3_internal_thr): Ditto.
+ (divxf3_internal_lat): Ditto.
+ (divxf3_internal_thr): Ditto.
+
+2005-04-13 Kazu Hirata <kazu@cs.umass.edu>
+
+ PR tree-optimization/20913
+ * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
+
+ PR tree-optimization/20702
+ * tree-vrp.c (maybe_add_assert_expr): Recurse into
+ dominator children that haven't been walked into.
+
+2005-04-13 Julian Brown <julian@codesourcery.com>
+
+ * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
+ being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
+ is true.
+
+2005-04-13 Kazu Hirata <kazu@cs.umass.edu>
+
+ * basic-block.h, tree-ssa-uncprop.c, varasm.c,
+ config/i386/sse.md: Fix comment typos.
+
+ * genattrtab.c (NULL_ATTR): Remove.
+ * ifcvt.c (NULL_EDGE): Likewise.
+
+ * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
+
+ * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
+ NOTE_PREDICT): Remove.
+
+2005-04-13 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
+ * configure: Regenerate.
+ * config.in: Likewise.
+ * system.h: Declare vsnprintf if not already declared.
+
+2005-04-13 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * optc-gen.awk: Handle stand-alone Mask records.
+ * opth-gen.awk: Likewise.
+ * doc/options.texi (Option file format): Document them.
+ * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
+ sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
+ (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
+ * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
+ MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
+ MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
+ MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
+ MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
+ MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
+ (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
+ TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
+ TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
+ TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
+ TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
+ TARGET_LONG_DOUBLE_128): Likewise.
+ (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
+ (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
+ * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
+ * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
+ * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
+ * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
+ * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
+ * config/sparc/sparc.c (fpu_option_set): New global.
+ (sparc_handle_option): New function.
+ (sparc_override_options): Test fpu_option_set.
+ (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
+ (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
+ * config/sparc/sparc.opt: New file.
+ * config/sparc/little-endian.opt: Likewise.
+ * config/sparc/long-double-switch.opt: Likewise.
+
+2005-04-13 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
+ (bfin_handle_options): Set it if -mshared-library-id= is seen.
+ * config/bfin/bfin.opt (mshared-library-id=): Lose
+ Var(bfin_lib_id_given).
+
+2005-04-13 Matt Thomas <matt@3am-software.com>
+
+ * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
+ defining.
+
+2005-04-13 Kazu Hirata <kazu@cs.umass.edu>
+
+ * rtl.h (CLEAR_RTX_FLAGS): Remove.
+
+ * cgraphunit.c (INSNS_PER_CALL): Remove.
+
+ * tree-ssa-forwprop.c (vars,
+ record_single_argument_cond_exprs,
+ substitute_single_use_vars): Remove.
+ (forward_propagate_into_cond_1, forward_propagate_into_cond):
+ New.
+ (tree_ssa_forward_propagate_single_use_vars): Call
+ forward_propagate_into_cond for each COND_EXPR.
+
+ * tree-inline.c (INSNS_PER_STMT): Remove.
+
+2005-04-12 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
+ (ix86_expand_sse_fp_minmax): ... from ...
+ (ix86_expand_fp_movcc): ... here.
+ (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
+ * config/i386/i386-protos.h: Update.
+ * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
+ (sse_setccsf, sse_setccdf): Allow before reload.
+ (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
+ (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
+ (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
+ * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
+ (anddf3, nanddf3, iordf3, xordf3): New.
+
+2005-04-12 Jeff Law <law@redhat.com>
+
+ * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
+ (tree-ssa-uncprop.o): Add dependencies.
+ * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
+ * tree-flow.h (remove_useless_stmts): Remove prototype.
+ * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
+ remove_useless_stmts.
+ * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
+ * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
+ * tree-pass.h (pass_uncprop): Declare.
+ * tree-ssa-uncprop.c: New file.
+
+2005-04-12 James E. Wilson <wilson@specifixinc.com>
+
+ PR target/20670
+ * unwind-ia64.c (uw_intall_context): Add missing load of r27.
+
+2005-04-12 Caroline Tice <ctice@apple.com>
+
+ Temporary fix for partitioning problems.
+ * passes.c (rest_of_handle_final): Remove code that
+ frees unlikely_text_section_name,
+ * varasm.c (assemble_start_function): Test for partitioning
+ flag before writing out section labels.
+ (assemble_end_function): Test for partitioning flag before
+ writing out section labels.
+
+2005-04-12 Steven Bosscher <stevenb@suse.de>
+ Stuart Hastings <stuart@apple.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * Makefile.in: Add function.h to BASIC_BLOCK_H. Remove all
+ references to gt-tree-cfg.h.
+ * basic-block.h (struct basic_block_def): Don't skip rbi
+ for garbage collection.
+ (struct reorder_block_def): Make GTY-able.
+ (struct control_flow_graph): New structure.
+ (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
+ BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
+ but instead defines to the control_flow_graph for cfun.
+ (label_to_block_map): New define, points to the label map of
+ the control_flow_graph for cfun.
+ (n_edges_for_function, n_basic_blocks_for_function,
+ last_basic_block_for_function, basic_block_info_for_function,
+ EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
+ basic_block_info_for_function, label_to_block_map_for_function):
+ Counterparts for the above, taking a struct function as an extra
+ argument.
+ (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
+ * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
+ basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
+ (alloc_rbi_pool, free_rbi_pool): Remove.
+ (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
+ * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
+ here...
+ (cfg_layout_finalize) ... and don't free it here.
+ * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
+ garbage collected.
+ * flow.c (free_basic_block_vars): Set label_to_block_map and
+ n_edges to zero too.
+ * function.h (struct function): Add cfg field.
+ * function.c (allocate_struct_function): Allocate the cfg.
+ * tree-cfg.c (label_to_block_map): Remove.
+ (build_tree_cfg): Don't allocate the rbi pool here...
+ (delete_tree_cfg_annotations): ...and don't free it here.
+ Also don't nullify label_to_block_map for cfun.
+
+2005-04-12 Caroline Tice <ctice@apple.com>
+
+ * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
+ Revert my patch from April 9.
+ (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
+ (reorder_basic_blocks): Revert my patch from April 9.
+ (insert_section_boundary_note): Revert my patch from April 9.
+ * dbxout.c (dbxout_function_end): Revert my patch from April 9.
+ * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
+ (COLD_END_LABEL): Revert my patch from April 9.
+ (cold_text_section_label): Revert my patch from April 9.
+ (cold_end_label): Revert my patch from April 9.
+ (dwarf2out_switch_text_section): Revert my patch from April 9.
+ (output_aranges): Revert my patch from April 9.
+ (output_ranges): Revert my patch from April 9.
+ (output_line_info): Revert my patch from April 9.
+ (add_location_or_const_value_attribute): Revert my patch from April 9.
+ (dwarf2out_var_location): Revert my patch from April 9.
+ (dwarf2out_init): Revert my patch from April 9.
+ (dwarf2out_finish): Revert my patch from April 9.
+ * function.h (struct function): Revert my patch from April 9.
+ * opts.c (decode_options): Revert my patch from April 9.
+ * output.h (unlikely_section_label, hot_section_label,
+ hot_section_end_label, cold_section_end_label,
+ unlikely_text_section_name): Revert my patch from April 9.
+ * passes.c (rest_of_handle_final): Revert my patch from April 9.
+ * varasm.c (unlikely_section_label, hot_section_label,
+ hot_section_end_label, cold_section_end_label,
+ unlikely_text_section_name): Revert my patch from April 9.
+ (initialize_cold_section_name): Revert my patch from April 9.
+ (unlikely_text_section): Revert my patch from April 9.
+ (in_unlikely_text_section): Revert my patch from April 9.
+ (named_section): Revert my patch from April 9.
+ (function_section): Revert my patch from April 9.
+ (current_function_section): Revert my patch from April 9.
+ (assemble_start_function): Revert my patch from April 9.
+ (assemble_end_function): Revert my patch from April 9.
+ (default_section_type_flags_1): Revert my patch from April 9.
+
+2005-04-12 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
+ * config/sparc/sparc.md (untyped_call): Save the registers manually.
+
+ * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
+
+2005-04-12 Ulrich Weigand <uweigand@de.ibm.com>
+
+ PR middle-end/20917
+ * config/s390/s390.md ("*set_tp"): Use SET in pattern.
+ ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
+
+2004-04-12 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
+ UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
+ UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
+ (UNSPEC_*, UNSPECV_*): Renumber.
+
+2005-04-12 Frank Ch. Eigler <fche@redhat.com>
+
+ PR mudflap/19266
+ From Richard Henderson <rth@redhat.com>:
+ * tree-mudflap.c (mf_build_check_statement_for): Correct block
+ splitting logic.
+
+2005-04-12 Dorit Naishlos <dorit@il.ibm.com>
+
+ * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
+
+2005-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (bfin_library_id_string): Remove.
+ (bfin_library_id): New variable.
+ (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
+ instead of bfin_library_id_string.
+ (bfin_handle_option): New function.
+ (override_options): Remove most code to deal with shared library IDs,
+ just check they aren't used without -mid-shared-library.
+ (TARGET_HANDLE_OPTION): Define.
+ * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
+ * config/bfin/bfin.opt (mshared-library-id=): New.
+
+2005-04-12 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-vect-transform.c: Fix comment typos.
+
+2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
+
+ * postreload-gcse.c (eliminate_partially_redundant_load): Don't
+ split critical edges when not possible/profitable.
+
+2005-04-12 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
+ (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
+ (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
+ (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
+ (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
+ (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
+ (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
+ * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
+ MASK_NO_BITFIELD.
+ * config/ns32k/ns32k.c (ns32k_handle_option): New function.
+ (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
+ * config/ns32k/ns32k.opt: New file.
+
+2005-04-12 Richard Sandiford <rsandifo@redhat.com>
+
+ * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
+ * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
+ (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
+ (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
+ (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
+ (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
+ (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
+ (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
+ (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
+ (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
+ (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
+ (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
+ (MASK_COLDFIRE): Formatting fixes.
+ (TARGET_COLDFIRE): Turn into a boolean value for consistency.
+ * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
+ * config/m68k/m68k.c (m68k_library_id_string): Initialize to
+ "_current_shared_library_a5_offset_".
+ (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
+ (MASK_ALL_CPU_BITS): New macro.
+ (m68k_handle_option): New function.
+ (override_options): Remove handling of m68k_library_id_string.
+ * config/m68k/m68k.opt: New file.
+ * config/m68k/ieee.opt: New file.
+
+2005-04-11 Mark Mitchell <mark@codesourcery.com>
+
+ * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
+ (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
+ (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
+ (TARGET_CXX): Adjust accordingly.
+ * target.h (struct gcc_target): Remove epxort_class_data. Add
+ determine_class_data_visibility and class_data_always_comdat.
+ * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
+ (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
+ (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
+ * config/arm/arm.c (arm_cxx_export_class_data): Remove.
+ (arm_cxx_determine_class_data_visibility): New.
+ (arm_cxx_class_data_always_comdat): Likewise.
+ (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
+ (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
+ (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
+ * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
+ * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
+ Define.
+
+2005-04-11 Devang Patel <dpatel@apple.com>
+
+ * tree-data-ref.c (build_classic_dist_vector,
+ compute_subscript_distance): Make externally visible.
+ * tree-data-ref.h (build_classic_dist_vector,
+ compute_subscript_distance): Same.
+ * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
+ Check distance vector against vectorization factor.
+ (vect_analyze_loop): Determine vectorizaion factor before
+ analyzing data dependences.
+ * tree-vectorizer.c (loops_num): Make it externally visible and
+ rename ...
+ * tree-vectorizer.c (vect_loops_num): ... new name.
+ * tree-vectorizer.h (vect_loops_num): New.
+
+2005-04-11 Devang Patel <dpatel@apple.com>
+
+ * tree-vect-analyze.c (vect_analyze_operations): Check
+ vectorizable codition.
+ * tree-vect-transform.c (vect_is_simple_cond): New function.
+ (vectorizable_condition): New function.
+ (vect_transform_stmt): Handle condition_vec_info_type.
+ * tree-vectorizer.h (enum stmt_vec_info_type): Add
+ condition_vec_info_type.
+ (vectorizable_condition): New.
+
+2005-04-11 Geoffrey Keating <geoffk@apple.com>
+
+ * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
+ * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
+ * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
+
+ * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
+ (SUBTARGET_EXTRA_SPECS): Always 'i386'.
+
+ * dwarf2out.c (output_line_info): Don't try to dereference
+ a NULL current_function_decl.
+
+ * config/t-slibgcc-darwin: Don't put shared libraries in
+ directories other than $(slibdir).
+ * config/rs6000/darwin.h: Find -m64 libgcc under the name the
+ OS uses for it.
+
+2005-04-11 Diego Novillo <dnovillo@redhat.com>
+
+ PR tree-optimization/20933
+ * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
+ logic to reject aliases between read-only and writable
+ variables ...
+ (may_alias_p): ... here.
+ (get_tmt_for): Do not associate read-only tags to pointers
+ whose pointed-to type is not read-only.
+ * tree-ssa.c (verify_ssa): Check that memory stores have at
+ least one V_MAY_DEF or V_MUST_DEF.
+
+2005-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR/17092
+ * configure.ac (gcc_UNLOCKED_FUNCS): New.
+ (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
+ * system.h (putchar, getc, getchar, clearerr, feof, fileno,
+ fflush, fgetc, fgets, ferror, fread): Redefine to the associated
+ _unlocked function.
+ (fwrite_unlocked): Fix prototype.
+
+ * configure, config.in: Regenerate.
+
+2005-04-11 David Edelsohn <edelsohn@gnu.org>
+
+ * tree-ssa-loop-im.c: Include real.h.
+ (determine_invariantness_stmt): If real division divisor is
+ invariant and flag_unsafe_math_optimizations enabled, generate
+ invariant reciprocal for hoisting.
+ * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
+
+2005-04-11 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/20926
+
+ * tree-ssa-alias.c (add_type_alias): Handle subvars.
+
+2005-04-11 Devang Patel <dpatel@apple.com>
+
+ * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
+ operand ordering.
+
+2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * fold-const.c (fold_binary_op_with_conditional_arg):
+ use fold_buildN instead of "fold (buildN" in some
+ non obvious places.
+ (fold_unary): Likewise.
+ (fold_binary): Likewise.
+
+2005-04-11 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/20612
+ * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
+ handling
+ (perfect_nestify): preheaderbb is *not* part of loop of the
+ old destination.
+
+2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * tree-ssa-alias.c (may_alias_p): If the variable
+ is a global variable and the pointer is parameter
+ and -fargument-noalias-global is used, then
+ the pointer cannot alias the variable.
+
+2005-04-11 James A. Morrison <phython@gcc.gnu.org>
+
+ * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
+ * config/sparc/sparc.h: Likewise.
+ * config/sparc/sparc.md: Likewise.
+
+2005-04-11 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-vrp.c (maybe_add_assert_expr): Move a comment.
+
+ * tree-vrp.c: Fix a comment typo.
+
+2005-04-11 Diego Novillo <dnovillo@redhat.com>
+
+ PR tree-optimization/20920
+ * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
+ SSA_NAME flows through an abnormal edge.
+ * tree-vrp.c (infer_value_range): Ignore SSA names that flow
+ through abnormal edges.
+ (maybe_add_assert_expr): Likewise.
+
+2005-04-11 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/s390/s390.h (s390_tune_string, s390_arch_string)
+ (s390_warn_framesize_string, s390_warn_dynamicstack_string)
+ (s390_stack_size_string, s390_stack_guard_string, target_flags)
+ (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
+ (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
+ (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
+ (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
+ (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
+ (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
+ (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
+ * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
+ (TARGET_HANDLE_OPTION): Likewise.
+ (s390_tune): Initialize to PROCESSOR_max.
+ (s390_arch_string): Make static.
+ (s390_tune_string, s390_warn_framesize_string): Delete.
+ (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
+ (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
+ (s390_handle_arch_option, s390_handle_option): New functions.
+ (override_options): Remove parsing of option strings.
+ * config/s390/s390.opt: New file.
+
+2005-04-11 Paolo Bonzini <bonzini@gnu.org>
+
+ * tree-complex.c (expand_vector_operations): Call
+ update_stmt_if_modified.
+
+2005-04-11 Paolo Bonzini <bonzini@gnu.org>
+
+ * tree-vect-analyze (vect_determine_vectorization_factor):
+ Do not use GET_MODE_NUNITS.
+ * tree-vect-transform.c (vect_get_vec_def_for_operand,
+ (vectorizable_load, vect_transform_loop): Likewise.
+
+2005-04-11 Uros Bizjak <uros@kss-loka.si>
+
+ * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
+ (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
+ * optabs.h (enum optab_index): Add new OTI_lceil.
+ (lceil_optab): Define corresponding macro.
+ * optabs.c (init_optabs): Initialize lceil_optab.
+ * genopinit.c (optabs): Implement lceil_optab using lceilsi2
+ and lceildi2 patterns.
+ * builtins.c (expand_builtin_int_roundingfn): Handle
+ BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
+ (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
+ BUILT_IN_LLCEIL{,F,L}.
+ (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
+ BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
+ (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
+ (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
+ BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
+ * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
+ into lceil built-in function and (long long int)ceil{,f,l} into
+ llceil built-in function.
+ * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
+ BUILT_IN_LLCEIL.
+
+2005-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
+ zero.
+
+2005-04-10 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/arm/arm.c: Fix a comment typo.
+ * doc/tree-ssa.texi: Fix a typo.
+
+2005-04-10 Steven Bosscher <stevenb@suse.de>
+
+ * cselib.c (clear_table): Rename to cselib_clear_table.
+ * cselib.h (cselib_clear_table): Add prototype.
+ * gcse.c (gcse_main): Make 'f' argument unused.
+ (alloc_gcse_mem): Do not walk the insn chain, walk the contents
+ of each basic block instead.
+ (compute_sets, compute_hash_table_work): Likewise.
+ (constprop_register): Change int 'alter_jumps' argument to bool.
+ (do_local_cprop): Likewise.
+ (local_cprop_pass): Likewise. Also walk basic blocks instead of
+ the insn chain. Explicitly clear the cselib tables after finishing
+ one basic block. Make sure there are no unterminated libcall blocks.
+ Update compute_sets call.
+ (cprop): Walk basic blocks instead of the insn chain.
+ (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
+ Likewise.
+ (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
+ one_cprop_pass calls.
+
+2005-04-10 Richard Sandiford <rsandifo@redhat.com>
+
+ * combine.c (combine_simplify_rtx): Remove a transformation that
+ relies on an invalid assumption about rtl sign-extension semantics.
+
+2005-04-10 Richard Sandiford <rsandifo@redhat.com>
+
+ * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
+ to build_int_cst_wide.
+
+2005-04-09 Alexandre Oliva <aoliva@redhat.com>
+
+ PR target/20126
+ * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
+ set the original address pseudo to the correct value before the
+ original insn, if possible, and leave the insn alone, otherwise
+ create a new pseudo, set it and replace it in the insn.
+ * recog.c (validate_change_maybe_volatile): New.
+ * recog.h (validate_change_maybe_volatile): Declare.
+
+2005-04-09 Caroline Tice <ctice@apple.com>
+
+ * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
+ Remove targetm.have_named_sections test.
+ (fix_edges_for_rarely_executed_code): Likewise.
+ (insert_section_boundary_note): Likewise.
+ (reorder_basic_blocks): Check partitioning flag before calling
+ verify_hot_cold_block_grouping.
+ * dbxout.c (dbxout_function_end): Get hot/cold section labels from
+ the function struct rather than global variables.
+ * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
+ (COLD_END_LABEL): Likewise
+ (cold_text_section_label): New static global variable.
+ (cold_end_label): Likewise.
+ (dwarf2out_switch_text_section): Get hot/cold section labels from
+ the function struct rather than global variables.
+ (output_aranges): Use cold_text_section_label and cold_end_label;
+ check partitioning flag before putting out delta.
+ (output_ranges): Remove incorrect code attempting to use
+ hot/cold labels.
+ (output_line_info): Get cold section label from function struct.
+ (add_location_or_const_value_attribute): Likewise.
+ (get_subprogram_die): Get hot/cold section labels from function struct.
+ (dwarf2out_var_location): Likewise.
+ (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
+ write out cold_text_section_label if partition flag is set.
+ (dwarf2out_finish): Write out cold_end_label if partition flag is set;
+ * function.h (struct function): Add new fields to point to hot/cold
+ section labels: hot_section_label, cold_section_label,
+ hot_section_end_label and cold_section_end_label; also add new field
+ for cold text section name, unlikely_text_section_name.
+ * opts.c (decode_options): Turn off partitioning flag if
+ !targetm.have_named_sections.
+ * output.h (hot_section_label): Remove.
+ (hot_section_end_label): Remove.
+ (cold_section_end_label): Remove.
+ (unlikely_section_label): Remove.
+ (unlikely_text_section_name): Remove.
+ * passes.c (rest_of_handle_final): Remove code that frees
+ unlikely_text_section_name.
+ * varasm.c (unlikely_section_label): Remove.
+ (hot_section_label): Remove.
+ (hot_section_end_label): Remove.
+ (cold_section_end_label): Remove.
+ (unlikely_text_section_name): Remove.
+ (initialize_cold_section_name): Modify to call
+ targetm.strip_name_encoding; to store cold section name in current
+ function struct, if it exists; and to only use the decl_section_name
+ if flag_named_sections is true.
+ (unlikely_text_section): Modify to get section name out of current
+ function struct, if there is one; otherwise build it from
+ UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
+ (in_unlikely_text_section): Likewise.
+ (named_section): Modify to get/put cold section name in current function
+ struct, if there is one.
+ (function_section): Change 'bool unlikely' to 'int reloc'; check
+ targetm.have_named_sections before calling named_section.
+ (current_function_section): Likewise.
+ (assemble_start_function): Modify to get/put unlikely_text_section_name
+ in current function struct; modify to get hot/cold section labels
+ from function struct; initialize labels using
+ ASM_GENERATE_INTERNAL_LABEL;
+ test partitioning flag before writing out hot section label.
+ (assemble_end_function): Test partitioning flag before writing out
+ hot/cold section labels.
+ (default_section_type_flags_1): Modify to use array instead of
+ char* for unlikely_text_section_name; set flags correctly for
+ cold text section if there is not a current function decl.
+
+2005-04-09 Jakub Jelinek <jakub@redhat.com>
+
+ * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
+ and TI_VA_LIST_FPR_COUNTER_FIELD.
+ (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
+ * tree-pass.h (pass_stdarg): Add.
+ * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
+ * tree-stdarg.c: New file.
+ * tree-stdarg.h: New file.
+ * Makefile.in (OBJS-common): Add tree-stdarg.o.
+ (tree-stdarg.o): Add dependencies.
+ * function.h (struct function): Add va_list_gpr_size and
+ va_list_fpr_size fields.
+ * function.c (allocate_struct_function): Initialize them.
+ * target.h (struct gcc_target): Add stdarg_optimize_hook.
+ * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
+ (TARGET_INITIALIZER): Add it.
+
+ * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
+ va_list_{g,f}pr_counter_field.
+ (ix86_setup_incoming_varargs): Don't do anything if reg_save
+ area will not be used. Only save registers that tree-stdarg.c
+ detected they need saving.
+ (ix86_va_start): Don't set up fields that won't be used.
+
+ * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
+ va_list_{g,f}pr_counter_field.
+ (setup_incoming_varargs): Don't do anything if reg_save
+ area will not be used. Only save registers that tree-stdarg.c
+ detected they need saving.
+ (rs6000_va_start): Don't set up fields that won't be used.
+
+ * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
+ (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
+ (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
+ (TARGET_STDARG_OPTIMIZE_HOOK): Define.
+
+2005-04-09 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/20795
+ * config/i386/i386.c (construct_container): Pass empty aligned
+ struct, union or class in memory.
+
+2005-04-09 Kazu Hirata <kazu@cs.umass.edu>
+
+ * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
+ tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
+ config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
+ config/rs6000/predicates.md: Fix comment typos.
+
+ * sched-int.h (haifa_insn_data): Remove blockage and units.
+ (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
+ ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
+ MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
+
+2005-04-09 Jan Hubicka <jh@suse.cz>
+ Steven Bosscher <stevenb@suse.de>
+
+ * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
+ * cfgloop.c (get_loop_exit_edges): Likewise.
+ * cfgloopmanip.c (fix_irreducible_loops): Likewise.
+ (unloop): Likewise.
+ * loop-unroll.c (analyze_insns_in_loop): Likewise.
+ * tree-cfg.c (dump_cfg_status): Likewise.
+
+2005-04-09 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/predicates.md (altivec_register_operand): Remove
+ redundant match_code test.
+ (gpc_reg_operand): Same.
+ (cc_reg_operand): Same.
+ (cc_reg_not_cr0_operand): Same.
+
+2005-04-09 Jan Hubicka <jh@suse.cz>
+
+ Forgotten hunk from my last merge patch:
+ * final.c (output_addr_const): Do not call mark_referenced.
+
+2005-04-09 Andrew MacLeod <amacleod@redhat.com>
+
+ * doc/tree-ssa.texi: Add immediate use documentation.
+
+2005-04-09 Richard Earnshaw <richard.earnshaw@arm.com>
+
+ * arm.c (FL_WBUF): Define.
+ (arm_tune_strongarm): Renamed from arm_is_strong. All uses changed.
+ (arm_is_6_or_7): Delete.
+ (arm_tune_wbuf): New.
+ (arm_override_options): Set arm_tune_wbuf.
+ * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
+ (arm_is_6_or_7): Delete declaration.
+ (arm_tune_wbuf): New declartion.
+ * arm.md (is_strongarm): Derive from arm_tune_strongarm.
+ (model_wbuf): Derive from arm_tune_wbuf.
+ * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
+ (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
+ (arm740t): Mark CPUs as having a write buffer.
+
+2005-04-09 Uros Bizjak <uros@kss-loka.si>
+
+ * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
+ of 'const_double_operand' in operand 2 constraints. Update enable
+ condition.
+
+2005-04-09 Uros Bizjak <uros@kss-loka.si>
+
+ * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
+ (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
+ * optabs.h (enum optab_index): Add new OTI_lfloor.
+ (lfloor_optab): Define corresponding macro.
+ * optabs.c (init_optabs): Initialize lfloor_optab.
+ * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
+ and lfloordi2 patterns.
+ * builtins.c (expand_builtin_int_roundingfn): New prototype.
+ (expand_builtin_int_roundingfn): New function.
+ (fold_builtin_int_roundingfn): New prototype.
+ (fold_builtin_int_roundingfn): New function, renamed from
+ fold_builtin_lround.
+ Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
+ BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
+ (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
+ BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
+ (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
+ (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
+ BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
+ * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
+ into lfloor built-in function and (long long int)floor{,f,l} into
+ llfloor built-in function.
+ * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
+ BUILT_IN_LLFLOOR.
+
+2005-04-08 Ian Lance Taylor <ian@airs.com>
+
+ * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
+ CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
+ * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
+ (DO_COND, DO_BODY): Likewise.
+ (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
+ (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
+ (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
+ BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
+ (build_continue_stmt, build_break_stmt): Don't declare.
+ (c_do_switch_warnings): Update declaration.
+ * c-gimplify.c (enum bc_t): Remove.
+ (struct c_gimplify_ctx, ctxp): Remove.
+ (push_context, pop_context): Remove static functions.
+ (c_genericize): Don't call push_context or pop_context.
+ (begin_bc_block, finish_bc_block): Remove static functions.
+ (build_bc_goto): Likewise.
+ (gimplify_c_loop): Likewise.
+ (gimplify_for_stmt, gimplify_while_stmt): Likewise.
+ (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
+ (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
+ DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
+ * c-common.c (c_do_switch_warnings): Rename from
+ c_do_switch_warnings_1.
+ (c_do_switch_warnings) [old version]: Remove.
+ (c_do_switch_expr_warnings): Remove.
+ * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
+ function instead of c_do_switch_expr_warnings.
+ * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
+ CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
+ * c-pretty-print.c (pp_c_statement): Likewise.
+ * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
+
+2005-04-08 Devang Patel <dpatel@apple.com>
+
+ * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
+ While selecting replacement condition pay attention to loop header.
+
+2005-04-08 Diego Novillo <dnovillo@redhat.com>
+
+ Merge from tree-cleanup-branch: VRP, store CCP, store
+ copy-prop, incremental SSA updating of FUD chains and
+ newly exposed symbols.
+
+ * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
+ (OBJS-common): Add tree-vrp.o.
+ (tree-vrp.o): New rule.
+ * basic-block.h (nearest_common_dominator_for_set): Declare.
+ * common.opt (ftree-store-ccp): New flag.
+ (ftree-copy-prop): New flag.
+ (ftree-vrp): New flag.
+ (ftree-store-copy-prop): New flag.
+ * dominance.c (nearest_common_dominator_for_set): New.
+ * domwalk.c (walk_dominator_tree): Only traverse
+ statements in blocks marked in walk_data->interesting_blocks.
+ * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
+ * fold-const.c (fold): Handle ASSERT_EXPR.
+ * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
+ Set flag_tree_store_ccp, flag_tree_store_copy_prop and
+ flag_tree_vrp at -O2.
+ * timevar.def (TV_TREE_VRP): Define.
+ (TV_TREE_COPY_PROP): Define.
+ (TV_TREE_STORE_COPY_PROP): Define.
+ (TV_TREE_SSA_INCREMENTAL): Define.
+ (TV_TREE_STORE_CCP): Define.
+ * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
+ to kill_redundant_phi_nodes from comment.
+ (verify_expr): Handle ASSERT_EXPR.
+ * tree-dfa.c (mark_new_vars_to_rename): Remove second
+ argument. Update all users.
+ (mark_call_clobbered_vars_to_rename): Remove. Update all
+ users.
+ * tree-flow-inline.h (unmodifiable_var_p): New.
+ * tree-flow.h (enum value_range_type): Declare.
+ (struct value_range_def): Declare.
+ (value_range): Declare.
+ (remove_all_phi_nodes_for): Remove. Update all users.
+ (find_phi_node_for): Declare.
+ (add_type_alias): Declare.
+ (count_uses_and_derefs): Declare.
+ (kill_redundant_phi_nodes): Remove.
+ (rewrite_into_ssa): Remove.
+ (rewrite_def_def_chains): Remove.
+ (update_ssa, register_new_name_mapping, create_new_def_for,
+ need_ssa_update_p, name_registered_for_update_p,
+ release_ssa_name_after_update_ssa, dump_repl_tbl,
+ debug_repl_tbl, dump_names_replaced_by,
+ debug_names_replaced_by, mark_sym_for_renaming,
+ mark_set_for_renaming, get_current_def, set_current_def,
+ get_value_range, dump_value_range, debug_value_range,
+ dump_all_value_ranges, debug_all_value_ranges,
+ expr_computes_nonzero, loop_depth_of_name,
+ unmodifiable_var_p): Declare.
+ * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
+ ASSERT_EXPR.
+ * tree-into-ssa.c (block_defs_stack): Update comment.
+ (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
+ syms_to_rename, names_to_release, repl_tbl,
+ need_to_initialize_update_ssa_p, need_to_update_vops_p,
+ need_to_replace_names_p): New locals.
+ (NAME_SETS_GROWTH_FACTOR): Define.
+ (struct repl_map_d): Declare.
+ (struct mark_def_sites_global_data): Add field
+ interesting_blocks.
+ (enum rewrite_mode): Declare.
+ (REGISTER_DEFS_IN_THIS_STMT): Define.
+ (compute_global_livein): Use last_basic_block instead of
+ n_basic_blocks.
+ (set_def_block): Remove last argument. Update all callers.
+ (prepare_use_operand_for_rename): Remove. Update all callers.
+ (prepare_def_operand_for_rename): Remove. Update all callers.
+ (symbol_marked_for_renaming): New.
+ (is_old_name): New.
+ (is_new_name): New.
+ (repl_map_hash): New.
+ (repl_map_eq): New.
+ (repl_map_free): New.
+ (names_replaced_by): New.
+ (add_to_repl_tbl): New.
+ (add_new_name_mapping): New.
+ (mark_def_sites): Assume that all the operands in the
+ statement are in normal form.
+ (find_idf): Assert that the block in the stack is valid.
+ (get_default_def_for): New.
+ (insert_phi_nodes_for): Add new argument 'update_p'.
+ Add documentation.
+ If update_p is true, add a new mapping between the LHS of
+ each new PHI and the name that it replaces.
+ (insert_phi_nodes_1): Only call find_idf if needed.
+ (get_reaching_def): Call get_default_def_for.
+ (rewrite_operand): Remove.
+ (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
+ and REWRITE_THIS_STMT are false.
+ Assume that all the operands in the statement are in
+ normal form.
+ (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
+ (rewrite_virtual_phi_arguments): Remove.
+ (invalidate_name_tags): Remove.
+ (register_new_update_single, register_new_update_set,
+ rewrite_update_init_block, replace_use,
+ rewrite_update_fini_block, rewrite_update_stmt,
+ rewrite_update_phi_arguments): New.
+ rewrite_blocks): Remove argument 'fix_virtual_phis'.
+ Add arguments 'entry', 'what' and 'blocks'.
+ Initialize the dominator walker according to 'what' and
+ 'blocks'.
+ Start the dominator walk at 'entry'.
+ (mark_def_site_blocks): Add argument 'interesting_blocks'.
+ Use it to configure the dominator walker.
+ (rewrite_into_ssa): Remove argument 'all'.
+ Make internal.
+ (rewrite_all_into_ssa): Remove.
+ (rewrite_def_def_chains): Remove.
+ (mark_def_interesting, mark_use_interesting,
+ prepare_phi_args_for_update, prepare_block_for_update,
+ prepare_def_site_for, prepare_def_sites,
+ dump_names_replaced_by, debug_names_replaced_by,
+ dump_repl_tbl, debug_repl_tbl, init_update_ssa,
+ delete_update_ssa, create_new_def_for,
+ register_new_name_mapping, mark_sym_for_renaming,
+ mark_set_for_renaming, need_ssa_update_p,
+ name_registered_for_update_p, ssa_names_to_replace,
+ release_ssa_name_after_update_ssa,
+ insert_updated_phi_nodes_for, update_ssa): New.
+ * tree-loop-linear.c (linear_transform_loops): Call
+ update_ssa instead of rewrite_into_ssa.
+ * tree-optimize.c (vars_to_rename): Remove.
+ Update all users.
+ (init_tree_optimization_passes): Replace
+ pass_redundant_phi with pass_copy_prop.
+ Add pass_vrp.
+ Replace pass_ccp with pass_store_ccp.
+ Add pass_store_copy_prop after pass_store_ccp.
+ (execute_todo): If the TODO_ flags don't include updating
+ the SSA form, assert that it does not need to be updated.
+ Call update_ssa instead of rewrite_into_ssa and
+ rewrite_def_def_chains.
+ If TODO_verify_loops is set, call verify_loop_closed_ssa.
+ (tree_rest_of_compilation):
+ * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
+ TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
+ TODO_cleanup_cfg): Renumber.
+ (TODO_verify_loops, TODO_update_ssa,
+ TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
+ TODO_update_ssa_only_virtuals): Define.
+ (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
+ Declare.
+ * tree-phinodes.c (make_phi_node): Update documentation.
+ (remove_all_phi_nodes_for): Remove.
+ (find_phi_node_for): New.
+ * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
+ * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
+ (interpret_rhs_modify_expr): Likewise.
+ * tree-sra.c (decide_instantiations): Mark all symbols in
+ SRA_CANDIDATES for renaming.
+ (mark_all_v_defs_1): Rename from mark_all_v_defs.
+ (mark_all_v_defs): New function. Update all users to call it
+ with the whole list of scalarized statements, not just the
+ first one.
+ * tree-ssa-alias.c (count_ptr_derefs): Make extern.
+ (compute_flow_insensitive_aliasing): If the tag is
+ unmodifiable and the variable isn't or vice-versa, don't
+ make them alias of each other.
+ (setup_pointers_and_addressables): If the type tag for
+ VAR is about to change, mark the old one for renaming.
+ (add_type_alias): New.
+ * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
+ (ccp_lattice_t): Rename from latticevalue.
+ (value): Remove. Update all users.
+ (const_val): New local variable.
+ (do_store_ccp): New local variable.
+ (dump_lattice_value): Handle UNINITIALIZED.
+ (debug_lattice_value): New.
+ (get_default_value): Re-write.
+ (set_lattice_value): Re-write.
+ (def_to_varying): Remove. Update all users.
+ (likely_value): Return VARYING for statements that make
+ stores when STORE_CCP is false.
+ Return VARYING for any statement other than MODIFY_EXPR,
+ COND_EXPR and SWITCH_EXPR.
+ (ccp_initialize): Re-write.
+ (replace_uses_in, replace_vuse_in, substitute_and_fold):
+ Move to tree-ssa-propagate.c.
+ (ccp_lattice_meet): Handle memory stores when
+ DO_STORE_CCP is true.
+ (ccp_visit_phi_node): Likewise.
+ (ccp_fold): Likewise.
+ (evaluate_stmt): Likewise.
+ (visit_assignment): Likewise.
+ (ccp_visit_stmt): Likewise.
+ (execute_ssa_ccp): Add argument 'store_ccp'. Copy it
+ into DO_STORE_CCP.
+ (do_ssa_ccp): New.
+ (pass_ccp): Use it.
+ (do_ssa_store_ccp): New.
+ (gate_store_ccp): New.
+ (pass_store_ccp): Declare.
+ * tree-ssa-copy.c: Include tree-ssa-propagate.h.
+ (may_propagate_copy): Reformat.
+ Don't abort if ORIG is a virtual and DEST isn't.
+ If NEW does not have alias information but DEST does,
+ copy it.
+ (copy_of, cached_last_copy_of, do_store_copy_prop, enum
+ copy_prop_kind, which_copy_prop): Declare.
+ (stmt_may_generate_copy, get_copy_of_val,
+ get_last_copy_of, set_copy_of_val, dump_copy_of,
+ copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
+ copy_prop_visit_stmt, copy_prop_visit_phi_node,
+ init_copy_prop, fini_copy_prop, execute_copy_prop,
+ gate_copy_prop, do_copy_prop, gate_store_copy_prop,
+ store_copy_prop): New.
+ (pass_copy_prop, pass_store_copy_prop): Declare.
+ * tree-ssa-dom.c (struct opt_stats_d): Add fields
+ 'num_const_prop' and 'num_copy_prop'.
+ (cprop_operand): Update them.
+ (dump_dominator_optimization_stats): Dump them.
+ (tree_ssa_dominator_optimize): Call update_ssa instead of
+ rewrite_into_ssa.
+ (loop_depth_of_name): Declare extern.
+ (simplify_cond_and_lookup_avail_expr): Guard against NULL
+ values for LOW or HIGH.
+ (cprop_into_successor_phis): Only propagate if NEW != ORIG.
+ (record_equivalences_from_stmt): Call expr_computes_nonzero.
+ (cprop_operand): Only propagate if VAL != OP.
+ * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
+ statement for renaming.
+ * tree-ssa-loop-im.c (move_computations): Call update_ssa.
+ * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
+ add_type_alias if necessary.
+ Call mark_new_vars_to_rename.
+ (tree_ssa_iv_optimize): If new symbols need to be renamed,
+ mark every statement updated, call update_ssa and
+ rewrite_into_loop_closed_ssa.
+ * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
+ from LIVEIN if VAR is a virtual.
+ * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
+ * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
+ (get_call_expr_operands): Reformat statement.
+ (add_stmt_operand): Don't create V_MAY_DEFs for read-only
+ symbols.
+ * tree-ssa-propagate.c (ssa_prop_init): Initialize
+ SSA_NAME_VALUE for every name.
+ (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
+ get_value_loaded_by): New.
+ (replace_uses_in, replace_vuses_in, replace_phi_args_in,
+ substitute_and_fold): Move from tree-ssa-ccp.c.
+ * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
+ first_vdef, stmt_makes_single_load, stmt_makes_single_store,
+ get_value_loaded_by, replace_uses_in, substitute_and_fold):
+ Declare.
+ * tree-ssa.c (verify_use): Fix error message.
+ (propagate_into_addr, replace_immediate_uses, get_eq_name,
+ check_phi_redundancy, kill_redundant_phi_nodes,
+ pass_redundant_phi): Remove. Update all users.
+ * tree-vect-transform.c (vect_create_data_ref_ptr): Call
+ add_type_alias, if necessary.
+ * tree-vectorizer.h (struct _stmt_vect_info): Update
+ documentation for field 'memtag'.
+ * tree-vrp.c: New file.
+ * tree.def (ASSERT_EXPR): Define.
+ * tree.h (ASSERT_EXPR_VAR): Define.
+ (ASSERT_EXPR_COND): Define.
+ (SSA_NAME_VALUE_RANGE): Define.
+ (struct tree_ssa_name): Add field 'value_range'.
+ (PHI_REWRITTEN): Remove.
+ (struct tree_phi_node): Remove field 'rewritten'.
+ * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
+ -ftree-store-copy-prop): Document.
+ * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
+ Document usage of update_ssa.
+
+2005-04-08 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/20814
+ * config/rs6000/predicates.md (altivec_register_operand): Accept
+ SUBREG.
+ (and64_operand): Do not limit CONST_INT to mask64_operand.
+ (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
+ (and_operand): Do not limit CONST_INT to mask_operand.
+
+2005-04-09 Hans-Peter Nilsson <hp@axis.com>
+
+ PR rtl-optimization/20466
+ * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
+ for overlap of the address of each list member.
+ (mark_set_1): Call invalidate_mems_from_set for MEMs too.
+
+2005-04-08 Mike Stump <mrs@apple.com>
+
+ * config/darwin.c (indirect_data): Fix typo in strncmp logic.
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
+ instead of 4.
+
+2005-04-08 Kazu Hirata <kazu@cs.umass.edu>
+
+ * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
+
+ * function.c (push_function_context_to): Don't set
+ contains_functions.
+ * function.h (function): Remove contains_functions.
+ (current_function_contains_functions): Remove.
+
+ * function.h (function): Remove instrument_entry_exit.
+ (current_function_instrument_entry_exit): Remove.
+
+ * function.h (nonlocal_labels): Remove.
+
+ * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
+
+ * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
+ (check_attr_value, write_attr_get, write_expr_attr_cache,
+ find_attr, make_internal_attr): Don't reference negative_ok or
+ unsigned_p.
+ * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
+ ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
+ (ATTR_STATIC): Adjust the value.
+
+ * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
+
+2005-04-08 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/tpf.h (ASM_SPEC): Define.
+
+2005-04-08 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-flow.h: Remove the prototype for
+ redirect_immediate_uses.
+ (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
+
+2005-04-08 Richard Earnshaw <richard.earnshaw@arm.com>
+
+ * arm.c (arm_const_double_by_parts): New function.
+ * arm-protos.h (arm_const_double_by_parts): Add prototype.
+ * arm.md (define_split for 64-bit constants): Add another one.
+
+2005-04-08 Andrew MacLeod <amacleod@redhat.com>
+
+ * tree-ssa-operands.c (correct_use_link): Remove linear scan.
+
+2005-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h: Revert last change.
+
+2005-04-08 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
+ (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
+ (TARGET_SWITCHES): Delete.
+ * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
+ * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
+ TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
+ * config/xtensa/xtensa.opt: New file.
+
+2005-04-08 Ben Elliston <bje@au.ibm.com>
+
+ * config/fp-bit.c: Include L_mul_tf in #endif comment.
+ * config/fp-bit.h: Tidy comments.
+
+2005-04-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h: Poison PARAMS.
+
+2005-04-07 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
+ (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
+ (TARGET_SWITCHES): Delete.
+ * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
+ * config/vax/vax.opt: New file.
+
+2005-04-07 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
+
+2005-04-07 Ian Lance Taylor <ian@airs.com>
+
+ * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
+ define.
+ * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
+ * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
+ Likewise.
+
+2005-04-07 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
+ all immediate uses in PHI nodes.
+
+2005-04-07 Richard Earnshaw <richard.earnshaw@arm.com>
+
+ * arm.c (arm_const_double_inline_cost): Handle any constant by
+ using gen_lowpart and gen_highpart_mode.
+ (note_invalid_constants): All constants in an RTX with a constraint
+ that permits memory are now pushed to the constant pool.
+ (output_move_double): Delete code to handle reg to reg and
+ constant to reg moves.
+ (const_double_needs_minipool, output_mov_immediate): Delete.
+ * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
+ CONST_INT and CONST_VECTOR.
+ * arm.md (ANY64): New mode macro.
+ (arm_movdi): Split reg-reg and const-reg moves. Simplify constraints.
+ (movdf_soft_insn): Split reg-reg and const-reg moves.
+ (split patterns for 64-bit constant and register moves): New.
+ * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
+ (cirrus_movdf_hard_insn): Likewise.
+ * fpa.md (movdf_fpa): Likewise.
+ * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
+ (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
+ constraints.
+ (movv2si_internal_2): Likewise.
+ * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
+ (movdf_vfp): Likewise.
+ * arm-protos.h (output_mov_immediate): Delete prototype.
+
+2005-04-07 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR target/20093
+ * simplify-rtx.c (simplify_unary_operation_1): Check
+ SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
+
+2005-04-06 James E Wilson <wilson@specifixinc.com>
+
+ PR target/20717
+ * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
+ ADDR_EXPR.
+
+2004-04-06 Richard Sandiford <rsandifo@redhat.com>
+
+ * coverage.h (GCOV_TYPE_NODE): Delete.
+ * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
+ (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
+ * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
+ (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
+ * value-prof.c (tree_divmod_fixed_value_transform): Delete.
+
+2004-04-06 Richard Sandiford <rsandifo@redhat.com>
+
+ PR other/20792
+ * Makefile.in (gcc.pot): Remove options.c dependency.
+ * optc-gen.awk: Don't quote help strings with N_().
+
+2005-04-06 James A. Morrison <phython@gcc.gnu.org>
+
+ * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
+ the function returns a pointer type.
+
+2005-04-06 Daniel Berlin <dberlin@dberlin.org>
+
+ * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
+ * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
+ * doc/invoke.texi: Documnet salias-max-implicit-fields.
+ * tree-ssa-alias.c (struct used_part): Add implicit_uses and
+ explicit_uses members.
+ (get_or_create_used_part_for): Initialize new fields.
+ (fieldoff_compare): New function.
+ (create_overlap_variables_for): Count number of fields, use
+ heuristic to determine whether to create subvars for vars with
+ only implicit uses.
+ Sort the field list by offset and avoid creating duplicate SFT's.
+
+2005-04-06 Richard Sandiford <rsandifo@redhat.com>
+
+ * c.opt (-F): Remove trailing whitespace from help string.
+ (-finput-charset): Use a tab to separate the switch name and help
+ string.
+ * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
+ (-ftree-vectorizer-verbose): Likewise.
+
+2005-04-06 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
+ a PHI argument where a use occurs instead of all PHI arguments.
+
+2005-04-06 Joseph S. Myers <joseph@codesourcery.com>
+
+ * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
+ scope.
+
+2005-04-06 Kazu Hirata <kazu@cs.umass.edu>
+
+ * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
+ tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
+ config/bfin/bfin.h: Fix comment typos.
+
+2005-04-06 Ranjit Mathew <rmathew@hotmail.com>
+
+ * doc/install.texi: Update the URL for Jacks.
+ * doc/sourcebuild.texi: Likewise.
+
+2005-04-06 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR target/17245
+ * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
+ Revert 2004-10-08 patch. Reject TFmode LO_SUM in 32-bit mode.
+
+2005-04-06 Kelley Cook <kcook@gcc.gnu.org>
+
+ * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
+
+2005-04-06 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/v850/v850-protos.h (override_options): Delete.
+ * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
+ (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
+ (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
+ (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
+ (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
+ (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
+ (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
+ (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
+ (OVERRIDE_OPTIONS): Delete.
+ (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
+ (small_memory_info): Remove the value field.
+ (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
+ TARGET_NO_APP_REGS.
+ * config/v850/v850.c (small_memory): Remove the value field.
+ (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
+ (override_options): Delete.
+ (v850_handle_memory_option, v850_handle_option): New functions.
+ * config/v850/v850.opt: New file.
+
+2005-04-06 Geoffrey Keating <geoffk@apple.com>
+
+ * config.host: Add a section for generic hosts, and a subsection
+ for Darwin. Add a case for x86-darwin. Update ppc-darwin case.
+ * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
+ * config/host-darwin.h: New.
+ * config/x-darwin: New.
+ * config/i386/host-i386-darwin.c: New.
+ * config/i386/x-darwin: New.
+ * config/rs6000/host-darwin.c: Include host-darwin.h.
+ (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
+ (darwin_rs6000_gt_pch_use_address): Likewise.
+ * config/rs6000/x-darwin: Change name of .o built, update
+ dependencies for changes to rs6000/host-darwin.c.
+
+2005-04-06 Ralf Corsepius <ralf.corsepius@rtems.org>
+
+ PR target/17824
+ * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
+
+2005-04-06 Dorit Naishlos <dorit@il.ibm.com>
+
+ * tree-vect-analyze.c (vect_analyze_loop_form): Call
+ split_loop_exit_edge instead of loop_split_edge_with.
+
+2005-04-06 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
+ UNSPEC_SET_VSCR): New constants, used throughout.
+ (*andc3_v4sf): New.
+ (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
+ Replace with...
+ (altivec_vspltis<VI_char>): ... this pattern, using
+ a QImode const_int_operand for the immediate.
+ (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
+ define_expands.
+
+2005-04-06 Ralf Corsepius <ralf.corsepius@rtems.org>
+
+ PR target/17822
+ * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
+
+2005-04-06 Kelley Cook <kcook@gcc.gnu.org>
+
+ * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
+
+2005-04-06 Ben Elliston <bje@au.ibm.com>
+
+ * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
+ DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
+ macros as living in "this file" and not gcc.h.
+
+2005-04-06 Ben Elliston <bje@au.ibm.com>
+
+ * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
+ -ftree-live_range_split. Perhaps renamed at some point?
+
+2005-04-06 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR target/20625
+ * tree-ssa-loop-ivopts.c (generic_type_for): New function.
+ (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
+
+2005-04-06 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-flow.h (number_of_iterations_cond): Declaration removed.
+ * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
+ (number_of_iterations_special): New function.
+ (number_of_iterations_exit): Use number_of_iterations_special.
+ Use simplify_using_outer_evolutions only at -O3.
+ (number_of_iterations_cond, tree_simplify_using_condition,
+ simplify_using_initial_conditions, loop_niter_by_eval,
+ compare_trees, can_count_iv_in_wider_type_bound,
+ simplify_using_outer_evolutions): Use fold_build.
+
+2005-04-05 Thomas Fitzsimmons <fitzsim@redhat.com>
+
+ * doc/install.texi (Configuration): Document --with-java-home.
+
+2005-04-05 Richard Henderson <rth@redhat.com>
+
+ PR target/20342
+ PR target/20447
+ * config/i386/i386.c (print_operand): Handle vector zeros.
+ (ix86_split_to_parts): Handle CONST_VECTOR.
+ (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
+ (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
+ what modes to tie for MMX and SSE registers.
+ * config/i386/i386.h (MMX_REG_MODE_P): Remove.
+ * config/i386/i386.md: Extend move 0 -> xor peephole to apply
+ to vector modes as well.
+ * config/i386/predicates.md (const0_operand): Handle VOIDmode
+ properly as an input mode.
+
+2005-04-05 Andrew MacLeod <amacleod@redhat.com>
+
+ * tree-ssa-operands.c (verify_abort): Use %p for pointers.
+
+2005-04-05 Andrew MacLeod <amacleod@redhat.com>
+
+ * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
+
+2005-04-05 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
+ and local functions, set sse_nregs to 8 and float_in_sse.
+ (function_arg_advance, function_arg): If float_in_sse, pass
+ SFmode and DFmode arguments in SSE registers.
+ * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
+
+ * config/i386/i386.c (ix86_value_regno): Only optimize local functions
+ of -funit-at-a-time.
+
+2005-04-05 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/i386/i386-protos.h (ix86_function_value): Accept two
+ arguments, like the target macro.
+ * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
+ * config/i386/i386.c (ix86_function_value): Accept the second
+ argument of the target macro.
+ (ix86_function_ok_for_sibcall): Pass a function pointer to
+ ix86_function_value.
+ (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
+ call to ix86_value_regno).
+ (ix86_value_regno): Add support for returning floating point values
+ in SSE registers.
+
+2005-04-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/20076
+ * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
+ that call __builtin_return or __builtin_apply_args.
+
+2005-04-05 Andrew MacLeod <amacleod@redhat.com>
+
+ * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
+ Use immediate use iterator.
+ (stmt_is_bumper_for_loop): Use immediate use iterator.
+ * predict.c (strip_builtin_expect): Use update_stmt.
+ * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
+ on all elements of a STATEMENT_LIST.
+ (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
+ (bsi_remove): Remove imm_use links and mark the stmt as modified.
+ (bsi_replace): Mark stmt as modified and the update it.
+ * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
+ (expand_complex_libcal): Call update_stmt.
+ (expand_complex_comparison): Call mark_stmt_modified.
+ (expand_complex_operations_1): Call update_stmt_if_modified.
+ (expand_vector_operations_1): Call mark_stmt_modified.
+ * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
+ compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
+ add_immediate_use, redirect_immediate_use,
+ redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
+ dump_immediate_uses_for, debug_immediate_uses_for): Delete.
+ (mark_new_vars_to_rename): Call update_stmt.
+ * tree-dump.c (dump_option_value_in): Add "stmtaddr".
+ * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
+ Ignore PHI nodes.
+ (unmodify_stmt): Delete.
+ (update_stmt): New. Force an update of a stmt.
+ (update_stmt_if_modified): update a stmt if it is out of date.
+ (get_stmt_operands): Verify stmt is NOT modified.
+ (stmt_modified_p): Update comment.
+ (delink_imm_use): Remove a use node from its immuse list.
+ (link_imm_use_to_list): Link a use node to a specific list.
+ (link_imm_use): Link a node to the correct list.
+ (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
+ it in the correct list, if appropriate.
+ (link_imm_use_stmt): Link a use node, and set the stmt pointer.
+ (relink_imm_use): Link a use node in place of another node in a list.
+ (relink_imm_use_stmt): LInk a node in place of another node, and set
+ the stmt pointer.
+ (end_safe_imm_use_traverse): New. Terminate a safe immuse iterator.
+ (end_safe_imm_use_p): New. Check for the end of a safe immuse iterator.
+ (first_safe_imm_use): New. Initialize a safe immuse iterator.
+ (next_safe_imm_use): New. Proceed to next safe immuse iterator value.
+ (end_readonly_imm_use_p): New. Check for end of a fast immuse iterator.
+ (first_readonly_imm_use): New. Initialize a fast immuse iterator.
+ (next_readonly_imm_use): New. Get the next fast immuse iterator value.
+ (has_zero_uses): New. Return true if there are no uses of a var.
+ (has_single_use): New. Return true if there is only a single use of a
+ variable.
+ (single_imm_use): New. Return the simgle immediate use.
+ (num_imm_uses): New. Return the number of immediate uses.
+ (get_v_must_def_ops): Use is now a pointer.
+ (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
+ get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
+ the use node.
+ (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
+ (delink_stmt_imm_use): Delink all immuses from a stmt.
+ (phi_arg_index_from_use): New. Return a phi arg index for a use.
+ * tree-flow.h (struct dataflow_d): Delete.
+ (immediate_use_iterator_d): New. Immediate use iterator struct.
+ (FOR_EACH_IMM_USE_FAST): New. Macro for read only immuse iteration.
+ (FOR_EACH_IMM_USE_SAFE): New. Macro for write-safe immuse iteration.
+ (BREAK_FROM_SAFE_IMM_USE): New. Macro for earlyu exit from write-safe
+ iteration.
+ (struct stmt_ann_d): Remove dataflow_t from struct.
+ * tree-if-conv.c (tree_if_conversion). Don't call free_df.
+ (if_convertible_phi_p): Use FAST immuse iterator.
+ (if_convertible_loop_p): Don't call compute_immediate_uses.
+ (replace_phi_with_cond_modify_expr): Call update_stmt.
+ * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
+ update_stmt_if_modified.
+ (rewrite_all_into_ssa): Initialize ssa operands.
+ * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
+ compute_immediate_uses.
+ * tree-optimize.c (execute_todo): Call verify_ssa whenever the
+ ssa_property is available.
+ (execute_one_pass): Change parameters passed to execute_todo.
+ * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
+ (remove_ssa_form): Call fini_ssa_operands.
+ (insert_backedge_copies): Delete call to modify_stmt.
+ * tree-phinodes.c (make_phi_node): Initialize use nodes.
+ (release_phi_node): Delink any use nodes before releasing.
+ (resize_phi_node): Relink any use nodes.
+ (remove_phi_arg_num): Delink the use node.
+ (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
+ (remove_all_phi_nodes_for): Release phi node first.
+ * tree-pretty-print.c (dump_generic_node): Print stmt address.
+ * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
+ (scalarize_use, scalarize_copy): Call update_stmt.
+ * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
+ (compute_points_to_and_addr_escape): Call mark_stmt_modified.
+ * tree-ssa-cpp.c (need_imm_uses_for): Delete.
+ (ccp_initialize): Remove call to compute_immediate_uses.
+ (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
+ * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
+ stmts.
+ (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
+ (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
+ (eliminate_redundant_computations): Call mark_stmt_modified.
+ (cprop_operand): Call mark_stmt_modified.
+ (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
+ * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
+ (dse_optimize_stmt): Use new immuse interface.
+ (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
+ * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
+ (substitute_single_use_vars): Use new immuse interface.
+ (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
+ and compute_immediate_uses.
+ * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
+ interface.
+ (rewrite_mem_refs): Call update_stmt.
+ (determine_lsm): Remove call to compute_imm_uses and free_df.
+ * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
+ (try_unroll_loop_completely): Call update_stmt.
+ * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
+ (rewrite_use_compare): Call update_stmt.
+ (compute_phi_arg_on_exit): Insert each stmt before trying to process.
+ (rewrite_use) : Call update_stmt.
+ * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
+ * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
+ update_stmt.
+ * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
+ (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
+ (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
+ use nodes.
+ (initialize_vuse_operand): New. Initialize a vuse operand.
+ (initialize_v_may_def_operand): New. Initialize a maydef operand.
+ (initialize_v_must_def_operand): New. Initialize a mustdef operand.
+ (finalize_ssa_defs): Use stmt parameter.
+ (correct_use_link): Ensure a use node is in the correct list, and has
+ the correct stmt pointer.
+ (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
+ finalize_ssa_v_must_defs): Also initialize use nodes.
+ (finalize_ssa_stmt_operands): Pass extra stmt operands.
+ (build_ssa_operands): Seperate parsing from final operand construction.
+ (parse_ssa_operands): New. Parse entry point for operand building.
+ (swap_tree_operands): New. Swap 2 tree operands.
+ (update_stmt_operands): Ranamed from get_stmt_operands. Always builds
+ operands.
+ (get_expr_operands): Call swap_tree_operands when needed.
+ (copy_virtual_operands): Use initialize routines for virtual use ops.
+ (create_ssa_artficial_load_stmt): Add extra stmt parameter.
+ (verify_abort): New. Issue imm_use error.
+ (verify_imm_links): New Verify imm_use links for a var.
+ (dump_immediate_uses_for): New. Dump imm_uses for a var to file.
+ (dump_immediate_uses): New. Dump imm_uses for all vars to file.
+ (debug_immediate_uses): New. Dump imm_uses for all vars to stderr.
+ (debug_immediate_uses_for): New. Dump imm_uses for a var to stderr.
+ * tree-ssa-operands.h (struct use_operand_ptr): Delete.
+ (NULL_USE_OPERAND_P) Define.
+ (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
+ use node.
+ (struct vuse_operand_type): New struct.
+ (SET_USE): Call set_ssa_use_from_ptr.
+ (USE_STMT): Define.
+ (PHI_ARG_INDEX_FROM_USE): Define.
+ * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
+ argument via SET_USE, not PHI_ARG_DEF_TREE.
+ * tree-ssa-pre.c (eliminate): Call update_stmt.
+ * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators. Don't
+ call free_df.
+ * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
+ (nearest_common_dominator_of_uses): Use imm_use iterator.
+ (statement_sink_location): Use imm_use iterator and interface.
+ (execute_sink_code): Don't call compute_immediate_uses or free-df.
+ * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
+ PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
+ * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
+ (verify_ssa): Ensure no stmt is marked modify after optimization pass
+ if new parameter is true.
+ (init_tree_ssa): Don't initialize operand cache here.
+ (delete_tree_ssa): Don't destroy operand cache here.
+ (propagate_into_addr): Pass in a use pointer, return true if anything
+ was changed.
+ (replace_immediate_uses): Use imm_use iterator, call update_stmt.
+ (check_phi_redundancy): Use imm_use iterator.
+ (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
+ free_df.
+ * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
+ (release_ssa_name): Delink node and all elements in its imm_use list.
+ * tree-tailcall.c (adjust_return_value): Call update_stmt.
+ * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
+ * tree-vectorizer.c (need_imm_uses_for): Delete.
+ (vectorize_loops): Dont call compute_immediate_uses or free_df.
+ * tree.h (struct ssa_imm_use_d): Define.
+ (SSA_NAME_IMM_USE_NODE): Define.
+ (struct tree_ssa_name): Add imm_use node.
+ (PHI_DF): Delete.
+ (PHI_ARG_IMM_USE_NODE): Define.
+ (struct phi_arg_d): Add imm_use node.
+ (struct tree_phi_node): Remove struct dataflow_d element.
+ (TDF_STMTADDR): Define.
+
+2005-04-05 Dale Johannesen <dalej@apple.com>
+
+ * doc/invoke.texi (Optimization Options): Remove
+ duplicate -fcse-follow-jumps. Add -fweb.
+ (-ftree-lim): Fix spelling (-ftree-loop-im, invariants).
+ (-fivcanon): Fix spelling (-ftree-loop-ivcanon).
+
+2005-04-05 Per Bothner <per@bothner.com>
+
+ * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
+ to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
+ (warn_uninit): Get EXPR_LOCUS from context now instead.
+ This fixes a USE_MAPPED_LOCATION testsuite failure.
+
+ * tree-ssa.c (warn_uninitialized_var): Remove useless local.
+
+2005-04-05 Per Bothner <per@bothner.com>
+
+ * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
+ of the artification 'return 0' in main() to BUILTINS_LOCATION.
+ * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
+ before warning.
+
+2004-04-05 Devang Patel <dpatel@apple.com>
+
+ * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
+ (lhsr<mode>3): ... new name.
+ (altivec_vsra<VI_char>): Rename to ..
+ (ashr<mode>3): ... new name.
+ * config/rs6000/rs6000.c (builtin_description): Rename shift
+ operations.
+
+2004-04-05 Paolo Bonzini <bonzini@gnu.org>
+
+ * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
+ gen_lowpart_for_combine.
+ * cse.c (gen_lowpart_if_possible): Move...
+ * rtlhooks.c (gen_lowpart_if_possible): ... here. Also try
+ gen_lowpart_SUBREG.
+ (gen_lowpart_no_emit_general): Use it.
+
+2005-04-05 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
+ overriding.
+
+2005-04-05 Paolo Bonzini <bonzini@gnu.org>
+
+ * system.h: Fix typo.
+
+2005-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin-modes.def: New file.
+ * config/bfin/bfin-protos.h: New file.
+ * config/bfin/bfin.c: New file.
+ * config/bfin/bfin.h: New file.
+ * config/bfin/bfin.md: New file.
+ * config/bfin/bfin.opt: New file.
+ * config/bfin/crti.s: New file.
+ * config/bfin/crtn.s: New file.
+ * config/bfin/elf.h: New file.
+ * config/bfin/lib1funcs.asm: New file.
+ * config/bfin/predicates.md: New file.
+ * config/bfin/t-bfin: New file.
+ * config/bfin/t-bfin-elf: New file.
+ * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
+ Document new attributes.
+ (interrupt, interrupt_handler, saveall): Update documentation for
+ these attributes.
+ * doc/install.texi (Specific): Add entry for the Blackfin.
+ * doc/invoke.texi (Blackfin Options): New section.
+ * doc/md.texi (Blackfin family): New section to document constraints.
+ * config.gcc: Add bfin*-* and bfin*-elf configurations.
+
+2005-04-05 Olivier Hainque <hainque@adacore.com>
+
+ * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
+ match what the system unwinder expects.
+ * config/mips/mips.c (mips_frame_set): If we're saving the return
+ address register and the dwarf return address column number differs
+ from the hard register number, adjust the note reg to refer to the
+ former.
+
+2004-04-05 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
+ * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
+ (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
+ (processor_type): New enum.
+ (mn10300_processor): New variable.
+ (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
+ (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
+ * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
+ (PROCESSOR_DEFAULT): New macro.
+ * config/mn10300/mn10300.c (mn10300_processor): New variable.
+ (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
+ (mn10300_handle_option, mn10300_override_options): New functions.
+ * config/mn10300/mn10300.opt: New file.
+
+2005-04-05 Eric Botcazou <ebotcazou@libertysurf.fr>
+ Sebastian Pop <sebastian.pop@cri.ensmp.fr>
+
+ PR tree-optimization/19903
+ * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
+ that don't fit in their type after conversion.
+
+2005-04-05 Uros Bizjak <uros@kss-loka.si>
+
+ PR target/20421
+ * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
+ (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
+ Allocate local stack slots here. Set ix86_optimize_mode_switching.
+ flag here. Implement using define_insn_and_split.
+ (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
+ (frndintxf2_mask_pm_i387): New insn patterns.
+ (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
+ Do not set ix86_optimize_mode_switching flag.
+ (ceilsf2, ceildf2, ceilxf2): Same.
+ (btruncsf2, btruncdf2, btruncxf2): Same.
+ (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
+
+2005-04-05 Ian Lance Taylor <ian@airs.com>
+
+ PR debug/9963
+ * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
+ i386_pe_record_external_function.
+ (i386_pe_record_external_function): Update declaration.
+ * config/i386/winnt.c (struct extern_list): Add decl field.
+ (i386_pe_record_external_function): Add decl parameter.
+ (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
+ identifier.
+ * config/i386/i386-protos.h (i386_pe_record_external_function):
+ Update declaration.
+
+2005-04-05 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/m68k/m68k-protos.h: Add a prototype for
+ valid_dbcc_comparison_p_2.
+ * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
+ extend_operator, const_uint32_operand, const_sint32_operand,
+ general_src_operand, nonimmediate_src_operand,
+ memory_src_operand, post_inc_operand, pre_dec_operand,
+ pcrel_address): Move to predicates to predicates.md.
+ * config/m68k/m68k.h (PREDICATE_CODES): Remove.
+ * config/m68k/m68k.md: Include predicates.md.
+ * config/m68k/predicates.md: New.
+
+2005-04-04 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
+
+ * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
+
+2005-04-04 Ian Lance Taylor <ian@airs.com>
+
+ * c-typeck.c (struct c_switch): Rename switch_stmt field to
+ switch_expr.
+ (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
+ (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
+ (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
+ Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
+ * c-common.c (c_do_switch_warnings_1): New static function broken
+ out of c_do_switch_warnings.
+ (c_do_switch_warnings): Call c_do_switch_warnings_1.
+ (c_do_switch_expr_warnings): New function.
+ * c-common.h (c_do_switch_expr_warnings): Declare.
+
+2005-04-04 David Edelsohn <edelsohn@gnu.org>
+ Daniel Jacobowitz <dan@codesourcery.com>
+
+ * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
+ trapping divide.
+ * rtlanal.c (may_trap_p): Same.
+
2005-04-04 Dale Johannesen <dalej@apple.com>
* ChangeLog: remove reference to ChangeLog.12.
CRIS epilogue as RTL.
* config/cris/cris.md: Change all 0 in unspec 0 to
CRIS_UNSPEC_PLT.
- (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
+ (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
patterns.
("return"): Change to define_expand. Call cris_expand_return for
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