+2005-03-04 Richard Sandiford <rsandifo@redhat.com>
+
+ * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
+ (print_c_condition): Declare.
+ * read-rtl.c (ptr_loc): New structure.
+ (ptr_locs, ptr_loc_obstack, joined_conditions)
+ (joined_conditions_obstack): New variables.
+ (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
+ (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
+ (join_c_conditions, print_c_condition): New functions.
+ (apply_macro_to_string): Associate the new string with the same
+ source location as the old one.
+ (add_condition_to_string): Use join_c_conditions.
+ (read_string): Use set_rtx_ptr_loc to record a filename and line
+ number for the string.
+ (read_rtx): Initialize the new variables above.
+ * genattrtab.c (write_test_expr, write_attr_value): Use
+ print_c_condition.
+ * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
+ comment above the GCC_VERSION check.
+ (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
+ Inline the definition of MAYBE_EVAL.
+ * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
+ * genoutput.c (process_template): Likewise.
+ * genpreds.c (write_predicate_subfunction): Likewise.
+ (write_predicate_expr): Use print_c_condition.
+ * genrecog.c (write_cond): Likewise.
+ * gensupport.c (process_rtx): Use join_c_conditions to join the
+ conditions of a define_insn_and_split. Record a source location
+ for the string after the "&&".
+ (alter_test_for_insn): Use join_c_conditions.
+
+2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
+
+ Revert for now:
+ 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
+ PR tree-optimization/15784
+ * fold-const.c (fold): Fold ~A + 1 to -1. Fold -A - 1
+ and -1 - A to ~A.
+
+2005-03-04 Ben Elliston <bje@au.ibm.com>
+
+ * gcc.c (option_map): Add --coverage.
+ (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
+ (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
+ * config/darwin.h: Pass -lgcov for `coverage'.
+ * doc/invoke.texi (Debugging Options): Document --coverage.
+
+2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
+
+ * gcse.c (bypass_block): Use find_edge wherever possible.
+
+2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
+
+ Fix PR debug/20253
+
+ * c-opts.c (c_common_parse_file): Call start_source_file
+ and end_source_file at the approriate times.
+
+ * dwarf2out.c (dwarf2out_finish): Don't auto-end
+ the main file, it will be done for us now.
+
+2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
+
+ * fold-const.c (fold_ternary): New.
+ (fold): Call fold_ternary on ternary expressions. Remove
+ handling of ternary expressions.
+
+2005-03-03 James A. Morrison <phython@gcc.gnu.org>
+
+ PR tree-optimization/15784
+ * fold-const.c (fold): Fold ~A + 1 to -1. Fold -A - 1
+ and -1 - A to ~A.
+
+2005-03-03 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/predicates.md (branch_comparison_operator):
+ Convert from C block to conditional format.
+
+2005-03-03 Jan Hubicka <jh@suse.cz>
+
+ * tree-dfa.c (add_referenced_var): Don't walk initializer of external
+ and non-constant public variables.
+
+2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
+ with LABEL_EXPR.
+
+ * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
+ EDGE_I.
+
+ * tree-phinodes.c (remove_phi_node): Clean up by factoring out
+ calls to release_ssa_name and release_phi_node.
+
+ * fold-const.c (fold): Remove handling of unary expressions.
+
+ * fold-const.c (fold_unary): Avoid directly using the original
+ expression t as much as possible.
+
+2005-03-03 Roger Sayle <roger@eyesopen.com>
+ Andrew Pinski <pinskia@physics.uc.edu>
+
+ * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
+ RETURN rtx, and not a LABEL_REF containing a NULL pointer.
+
+2005-03-03 Hans-Peter Nilsson <hp@axis.com>
+
+ Describe special registers SRP and MOF as allocatable registers.
+ * config/cris/cris.c (cris_md_asm_clobbers): New function.
+ (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
+ (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
+ TARGET_HAS_MUL_INSNS.
+ (cris_print_operand) <case 'd'>: New case.
+ <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
+ * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
+ define.
+ (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
+ (REG_ALLOC_ORDER): Update for MOF.
+ (enum reg_class): New members MOF_REGS, GENERAL_REGS and
+ SPECIAL_REGS.
+ (GENERAL_REGS): No longer a define of ALL_REGS.
+ (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
+ (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
+ Adjust accordingly.
+ (CRIS_SPECIAL_REGS_CONTENTS): New macro.
+ (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
+ (SECONDARY_RELOAD_CLASS): Define.
+ (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
+ (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
+ (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
+ (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
+ (REGISTER_MOVE_COST): Define.
+ (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
+ * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
+ (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
+ (CRIS_MOF_REGNUM): New define_constants.
+ ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
+ special registers.
+ ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
+ New patterns.
+ ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
+ ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
+ Adjust for MOF being properly described as a register.
+ (indir_to_reg_split): Name this split. Conditionalize on the
+ destination register being a general register.
+ (movei): Conditionalize on on operands 0 and 1 having the same
+ register class.
+
+2005-03-03 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/20277
+ * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
+ -mcpu to override any other explicitly given flags.
+
+2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
+
+ * recog.c (verify_changes, confirm_change_group): New functions,
+ broken out of apply_change_group.
+ (apply_change_group): Use them.
+ * recog.h (verify_change, confirm_change_group): Declare.
+ * rtl.h (redirect_jump_2): Declare.
+ * jump.c (redirect_exp, invert_exp): Delete.
+ (invert_exp_1): Take second parameter. Return value. Changed caller.
+ (redirect_jump_2): New function, broken out of redirect_jump.
+ (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
+ (invert_jump): Use invert_jump_1 and redirect_jump_2.
+ * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
+
+2005-03-02 Geoffrey Keating <geoffk@apple.com>
+
+ * varasm.c (named_section): Use xstrdup rather than doing it by
+ hand.
+
+ * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
+
+2005-03-02 Devang Patel <dpatel@apple.com>
+
+ Undo PR tree-optimization/18815 fix.
+
+2005-03-02 Devang Patel <dpatel@apple.com>
+
+ PR tree-optimization/18815
+ * tree-if-conv.c (combine_blocks): Adjust loop header edges for
+ loops with zero exit edges.
+
+2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
+
+ * cfg.c (connect_src, connect_dest, disconnect_src,
+ disconnct_dest): New.
+ (unchecked_make_edge, remove_edge, redirect_edge_succ,
+ redirect_edge_pred): Use the new functions.
+
+ * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
+ free_dominance_info only when needed.
+
+2005-03-02 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/20276
+ * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
+ (reg_or_sub_cint64_operand): Same.
+
+2005-03-02 Jeff Law <law@redhat.com>
+
+ * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
+ CFG_ALTERED in the main DOM iteration loop.
+
+2005-03-02 Mark Mitchell <mark@codesourcery.com>
+
+ PR c++/19916
+ * varasm.c (initializer_constant_valid_p): Allow conversions
+ between OFFSET_TYPEs. Tidy.
+
+2005-03-02 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.md ("return"): Remove epilogue delay list
+ sanity check.
+
+2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
+ for Thumb.
+ * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
+
+2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
+
+ * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
+ loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
+ config/m68k/m68k.c, config/mips/mips.h,
+ config/rs6000/rs6000-protos.h, doc/contrib.texi,
+ doc/include/gcc-common.texi: Update copyright.
+
+ PR middle-end/18029 and PR middle-end/18030
+ * expr.c (optimize_bitfield_assignment_op): Add a special case
+ to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
+
+ * fold-const.c (fold_unary): New.
+ (fold): Call fold_unary on unary expressions.
+
+2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
+
+ * cgraph.h (struct cgraph_edge): Add prev_caller and
+ prev_callee fields.
+ (cgraph_node_remove_callees): Export.
+ * cgraph.c (cgraph_create_edge): Initialize prev_caller
+ and prev_callee.
+ (cgraph_edge_remove_callee): New function.
+ (cgraph_edge_remove_caller): Likewise.
+ (cgraph_remove_edge): Use.
+ (cgraph_redirect_edge_callee): Likewise.
+ (cgraph_node_remove_callees): New function.
+ (cgraph_node_remove_callers): Likewise.
+ (cgraph_remove_node): Use.
+ * tree-optimize.c (tree_rest_of_compilation): Use
+ cgraph_node_remove_callees instead of manual loop.
+ * cgraphunit.c (cgraph_finalize_function): Likewise.
+ (cgraph_expand_function): Likewise.
+ (cgraph_remove_unreachable_nodes): Likewise.
+
+2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR c/8927
+ * c-tree.h (undeclared_variable, build_external_ref): Add extra
+ argument.
+ * c-decl.c (undeclared_variable): Take location as argument.
+ * c-typeck.c (build_external_ref): Likewise.
+ * c-parser.c (c_parser_postfix_expression): Pass location of
+ identifier to build_external_ref.
+
+2005-03-01 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
+ CCEQ mode for branch_positive_comparison_operator test.
+ * config/rs6000/predicates (branch_comparison_operator): Revert to
+ define_predicate.
+ (scc_comparison_operator): Same.
+ (branch_positive_comparison_operator): Same.
+
+2005-03-01 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.c (cris_eligible_for_epilogue_delay)
+ (cris_delay_slots_for_epilogue): Remove.
+ (save_last): Move into cris_target_asm_function_epilogue.
+ (cris_target_asm_function_epilogue): Remove tests for file being
+ NULL.
+ * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
+ (cris_delay_slots_for_epilogue): Remove prototypes.
+ * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
+ (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
+
+2005-03-01 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/predicates.md (branch_comparison_operator): Change
+ to define_special_predicate.
+ (scc_comparison_operator): Same.
+ (branch_positive_comparison_operator): Same.
+
+2005-03-01 Daniel Berlin <dberlin@dberlin.org>
+
+ * Makefile.in (tree-ssa-sink.o): New.
+ (OBJS-common): Add tree-ssa-sink.o.
+ * common.opt: Add -ftree-sink
+ * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
+ * timevar.def (TV_TREE_SINK): new timevar.
+ * tree-flow.h (is_hidden_global_store): Prototype.
+ * tree-optimize.c (init_tree_optimization_passes): Add
+ pass_sink_code.
+ * tree-pass.h (pass_sink_code): New.
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
+ for non-obvious global store store to is_hidden_global_store, and
+ call that new function.
+ * tree-ssa-sink.c: New file.
+ * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
+ * doc/passes.texi: Document forward store motion.
+ * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
+ * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
+ * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
+ * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
+
+2005-03-01 Per Bothner <per@bothner.com>
+
+ * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
+ and we have a non-zero column-number, add it to the message.
+ Also factor out the diagnostic_kind_text.
+
+2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
+ flow_loop_pre_header_scan, flow_loop_pre_header_find,
+ flow_loop_scan): Removed.
+ (flow_loop_dump): Do not dump removed fields.
+ (flow_loop_free): Do not free removed fields.
+ (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
+ (loop_exit_edge_p): New function.
+ * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
+ num_pre_header_edges, entry_edges, num_entries, exit_edges,
+ num_exits, exits_doms.
+ (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
+ LOOP_EDGES, LOOP_ALL): Removed.
+ (flow_loop_scan): Declaration removed.
+ (loop_exit_edge_p, mark_loop_exit_edges): Declare.
+ * cfgloopmanip.c (create_loop_notes): Do not pass flags to
+ flow_loops_find.
+ * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
+ (if_convert): Call flow_loops_find and flow_loops_free
+ when calling mark_loop_exit_edges.
+ * cfgloopanal.c (mark_loop_exit_edges): Moved from
+ ifcvt.c. Removed the flow_loops_find, flow_loops_free and
+ free_dominance_info calls.
+ * loop-init.c (flow_loops_find): Ditto.
+ * passes.c (rest_of_handle_branch_prob): Ditto.
+ * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
+ * loop-unroll.c (analyze_insns_in_loop): Do not use
+ EDGE_LOOP_EXIT.
+ * predict.c (predict_loops): Do not call flow_loop_scan.
+ Use get_loop_exit_edges.
+ (tree_estimate_probability): Do not pass flags to flow_loops_find.
+ * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
+ Do not use EDGE_LOOP_EXIT.
+ (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
+ to bb_with_exit_edge_p.
+ (if_convertible_loop_p): Do not call flow_loop_scan. Use
+ loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
+ to bb_with_exit_edge_p.
+ (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
+ EDGE_LOOP_EXIT.
+ * tree-loop-linear.c (linear_transform_loops): Do not call
+ flow_loop_scan. Use loop->single_exit.
+ * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
+ (vect_analyze_loop_form): Do not call flow_loop_scan.
+ * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
+ loop->single_exit.
+ (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
+ loop->single_exit.
+ * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
+ slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
+ slpeel_tree_duplicate_loop_to_edge_cfg,
+ slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
+ Use loop_preheader_edge and loop->single_exit. Do not call
+ flow_loop_scan.
+
2005-03-01 Nick Clifton <nickc@redhat.com>
* config/arm/arm.c (thumb_find_work_register): Check all of the
("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
Insert spaces in constraints to align alternatives vertically for
readability.
- ("cmphi"): Ditto. Add separate alternative for operand 0 "Q>",
+ ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
operand 1: "M".
2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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