+2004-07-28 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/frv/frv.h (EPILOGUE_USES): New. Use LR.
+
+2004-07-28 Richard Sandiford <rsandifo@redhat.com>
+
+ * cse.c (validate_canon_reg): New function, split out from...
+ (canon_reg): ...here. Use validate_canon_reg for both 'e' and 'E'.
+
+2004-07-28 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-ssa-alias.c (maybe_create_global_var): Don't just
+ return if .GLOBAL_VAR has been created.
+
+2004-07-28 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-ssa.c (verify_flow_insensitive_alias_info): Process
+ every variable that may have aliases, not just tags.
+
+2004-07-28 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
+ move_from_CR_eq_bit.
+ Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
+
+
+ * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
+ e500_flip_eq_bit.
+
+ * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
+ output_e500_flip_eq_bit.
+
+ * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
+ output_e500_flip_eq_bit.
+ (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
+ output_e500_flip_eq_bit.
+ Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
+ (print_operand): case D. Get to EQ bit.
+
+2004-07-28 Richard Sandiford <rsandifo@redhat.com>
+
+ * gcov.c (function_summary): Add missing \n.
+
+2004-07-28 Alexandre Oliva <aoliva@redhat.com>
+
+ Introduce sh4a support.
+ * config.gcc: Handle sh4a multilibs and cpu selection.
+ * config/sh/sh.h: Likewise. Handle sh4a command line flags.
+ * config/sh/t-mlib-sh4a: New.
+ * config/sh/t-mlib-sh4al: New.
+ * config/sh/t-mlib-sh4a-nofpu: New.
+ * config/sh/t-mlib-sh4a-single: New.
+ * config/sh/t-mlib-sh4a-single-only: New.
+ 2004-02-20 DJ Delorie <dj@redhat.com>
+ * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
+ * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
+ 2003-08-22 Eric Christopher <echristo@redhat.com>
+ * config/sh/sh4a.md: Update for chip errata.
+ 2003-08-07 Eric Christopher <echristo@redhat.com>
+ * config/sh/sh4a.md: New file. sh4a processor description.
+ 2003-07-08 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (TARGET_SWITCHES): Added 4al. Adjust description
+ of -m4a-nofpu.
+ (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
+ * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
+ * doc/invoke.texi (SH Options): Document -m4al.
+ 2003-07-03 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (expand_block_move): Remove commented-out code
+ checked in by mistake.
+ (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
+ single elements from SFmode vectors.
+ * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
+ register.
+ (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
+ 2003-07-01 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
+ sh_fsca_int2sf): Remove variable declarations.
+ * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
+ sh_fsca_int2sf): New functions.
+ (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
+ sh_fsca_int2sf_rtx): New static variables.
+ * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
+ sh_fsca_int2sf): Declare.
+ * config/sh/sh.md: Adjust.
+ * doc/invoke.texi (SH Options): Document new options.
+ * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
+ compatibility from SH4 code.
+ 2003-06-27 Alexandre Oliva <aoliva@redhat.com>
+ * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
+ early.
+ (memory_movsrc_operand): Renamed to...
+ (unaligned_load_operand): ... this. Simplified.
+ * config/sh/sh.h (PREDICATE_CODES): Adjust.
+ * config/sh/sh.md (movua, extv, extzv): Likewise. Change movua's
+ input operand to SImode, and adjust the others. Introduce
+ post-increment by peephole.
+ * config/sh/sh.c (expand_block_move): Give the target address the
+ same mode as the temp reg.
+ * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
+ copying.
+ 2003-06-26 Alexandre Oliva <aoliva@redhat.com>
+ Introduce support for SH4a.
+ * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
+ __SH4A__. Emit 4 4kb blocks and touch all of them otherwise.
+ * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
+ sh_fsca_int2sf): New.
+ (sh_init_builtins): Initialize them.
+ (print_operand): Support `d'.
+ (expand_block_move): Use movua if src is misaligned.
+ (memory_movsrc_operand): New.
+ * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
+ and one of the SH4 macros.
+ (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
+ SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
+ SELECT_SH4A_SINGLE): New.
+ (TARGET_NONE): Add SH4A_BIT.
+ (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
+ (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
+ (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
+ (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
+ (enum processor_type): Added PROCESSOR_SH4A.
+ (PREDICATE_CODES): Add memory_movsrc_operand.
+ * config/sh/sh.md: Removed unused variables.
+ (attr cpu): Add sh4a.
+ (attr type): Add movua, fsrra and fsca.
+ (prefetch): New, for SH4.
+ (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
+ (toggle_sz): Set type to fp.
+ (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
+ (movua, extv, extzv): New.
+ * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
+ and 4a-single-only.
+
+2004-07-28 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-optimize.c (init_tree_optimization_passes): Schedule
+ pass_may_alias right after the program is renamed into SSA.
+ * tree-pass.h (PROP_alias): Define.
+ * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
+ * tree-sra.c (pass_sra): Likewise.
+ * tree-ssa-ccp.c (pass_ccp): Likewise.
+ * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
+ * tree-ssa-dce.c (pass_dce): Likewise.
+ * tree-ssa-dom.c (pass_dominator): Likewise.
+ * tree-ssa-dse.c (pass_dse): Likewise.
+ * tree-ssa-forwprop.c (pass_forwprop): Likewise.
+ * tree-ssa-loop-ch.c (pass_ch): Likewise.
+ * tree-ssa-phiopt.c (pass_phiopt): Likewise.
+ * tree-ssa-pre.c (pass_pre): Likewise.
+ * tree-tailcall.c (pass_tail_recursion): Likewise.
+ * tree-ssa.c (pass_redundant_phi): Likewise.
+ * tree-ssa-alias.c (aliases_computed_p): Remove.
+ Update all users.
+ (init_alias_info): Do not mark all type tags for renaming
+ unconditionally.
+ Clear may_aliases from every symbol.
+ (setup_pointers_and_addressables): If a pointer has not been
+ dereferenced and it had a type tag, clear it and mark the old
+ tag for renaming.
+
+2004-07-28 Diego Novillo <dnovillo@redhat.com>
+
+ PR tree-optimization/16705
+ * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
+ .GLOBAL_VAR.
+
+2004-07-27 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
+ check.
+
+ * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
+ don't make another one.
+
+ PR optimization/15077
+ * function.h (struct function): Add field saved_static_chain_decl.
+ Fix comment for static_chain_decl.
+ * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
+ * tree-inline.h (save_body): Add new arg.
+ * tree-optimize.c (tree_rest_of_compilation): Handle saving
+ static_chain_decl.
+
+2004-07-27 Richard Henderson <rth@redhat.com>
+
+ * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
+ (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
+ is_gimple_addressable.
+ * tree-gimple.c (is_gimple_addressable): Rename from
+ is_gimple_addr_expr_arg; accept INDIRECT_REF.
+ (is_gimple_lvalue): Don't test INDIRECT_REF directly.
+ * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
+ rename to is_gimple_addressable.
+
+2004-07-28 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
+
+2004-07-27 Richard Henderson <rth@redhat.com>
+
+ * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
+ before rounding.
+
+2004-07-27 Zack Weinberg <zack@codesourcery.com>
+
+ * libgcc2.c: Change all conditionals testing
+ LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
+ * libgcc2.h: Likewise.
+ * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
+ TYPE_PRECISION of float80_type to 80.
+ * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
+ of fpreg_type and float80_type to 80.
+ * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
+ * config/m68k/netbsd-elf.h:
+ Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
+ to evaluate to 80 whenever they would formerly have evaluated to 96.
+ * config/i386/sco5.h: Remove unnecessary redefinition of
+ LONG_DOUBLE_TYPE_SIZE.
+ * doc/rtl.texi: Clarify uses of XFmode and TFmode.
+ * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
+ XFmode, with a bitsize of 80. Update commentary.
+ * config/ia64/ia64-modes.def: Likewise.
+ * config/m68k/m68k-modes.def: Likewise.
+
+2004-07-27 Steven Bosscher <stevenb@suse.de>
+
+ * cfgexpand.c (tree_expand_cfg): Fix comment.
+
+ * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
+ * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
+ Remove.
+ (prepare_function_start): Don't set rtx_equal_function_value_matters.
+ * integrate.c (copy_rtx_and_substitute): Don't test for it.
+ * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
+ Don't set rtx_equal_function_value_matters. Don't register RTL hooks
+ here again. Update leading comment.
+ * rtl.c (rtx_equal_function_value_matters): Remove.
+ (rtx_equal_p): Don't test for it.
+ * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
+ Likewise.
+
+ * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
+ * rtl.c (note_insn_name): Likewise.
+ * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
+ * final.c (final_scan_insn): Likewise.
+
+ * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
+ * passes.c (rest_of_handle_eh): Do it here.
+
+ * stmt.c (struct nesting): Remove struct nesting block member.
+ (struct stmt_status): Remove x_block_start_count field.
+ (current_block_start_count): Remove.
+
+2004-07-27 Brian Booth <bbooth@redhat.com>
+
+ * tree-optimize.c (register_one_dump_file): Update condition that uses
+ static_pass_number.
+ (dup_pass_1): Replace with...
+ (next_pass_1): This.
+ (NEXT_PASS): Call next_pass_1.
+ (DUP_PASS): Remove.
+ (init_tree_optimization_passes): Remove uses of DUP_PASS.
+ (execute_one_pass): Update condition that uses
+ static_pass_number.
+ * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
+ integer.
+
+2004-07-27 Nick Clifton <nickc@redhat.com>
+
+ * config/m32r/m32r.c: Include integrate.h in order to get the
+ prototype for get_hard_reg_initial_val().
+
+ * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
+ and tidy up indentation.
+ (final_presence_set): Use absence_set instead, so that if there is
+ nothing in the "o" pipe the "s" pipe can be scheduled.
+
+2004-07-27 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-ssa-alias.c (create_name_tags): Ignore pointers that
+ don't have PT_VARS nor PT_MALLOC set.
+ Clear name tag from pointers that have not been dereferenced.
+ (set_pt_anything, set_pt_malloc): Forward declare.
+ * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
+ not type compatibility when determining if a pointer can be
+ copy propagated.
+
+2004-07-27 Richard Sandiford <rsandifo@redhat.com>
+
+ * expr.h (canonicalize_condition, get_condition): Add an int argument.
+ * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
+ it to check whether the condition is still valid at the jump insn.
+ * ifcvt.c (noce_get_condition): Likewise.
+ (noce_get_alt_condition): Update call to canonicalize_condition.
+ * loop-iv.c (simplify_using_initial_values): Update call to
+ get_condition. Remove FIXME.
+ (check_simple_exit): Update call to get_condition.
+ * loop-unswitch.c (may_unswitch_on): Likewise.
+ * loop.c (check_dbra_loop): Likewise.
+ (canonicalize_condition, get_condition): Add an argument to say whether
+ the condition must still be valid at INSN.
+ (get_condition_for_loop): Update call to get_condition. Require that
+ the condition be valid at INSN.
+ * predict.c (estimate_probability): Update call to get_condition.
+ Remove unused earliest parameter.
+ (expected_value_to_br_prob): Update call to canonicalize_condition.
+
+2004-07-26 Eric Christopher <echristo@redhat.com>
+
+ * tree-dfa.c (add_referenced_var): Register initializers of global
+ variables.
+
+2004-07-26 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/i386/i386.c (function_arg): Always treat 8-
+ and 16-byte wide vectors the same, even if MMX/SSE
+ are disabled.
+ (contains_128bit_aligned_vector_p): Add comment.
+
+2004-07-26 J"orn Rennecke <joern.rennecke@superh.com>
+
+ * ra.h (enum node_type): Rename to:
+ (enum ra_node_type).
+ * ra-colorize.c: Likewise.
+
+2004-07-26 Richard Sandiford <rsandifo@redhat.com>
+
+ * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
+ after simplifying the jump.
+
+2004-06-26 Richard Henderson <rth@redhat.com>
+
+ * calls.c (combine_pending_stack_adjustment_and_call): Make
+ preferred_unit_stack_boundary argument unsigned. Make
+ unadjusted_alignment unsigned.
+ (expand_call): Make preferred_stack_boundary and
+ preferred_unit_stack_boundary variables unsigned.
+ * function.c (assign_stack_local_1): Make alignment unsigned.
+ * function.h (struct function): Make stack_alignment_needed,
+ preferred_stack_boundary unsigned.
+ * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
+ (ix86_compute_frame_layout): Make stack_alignment_needed,
+ preferred_alignment variables unsigned.
+ * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
+
+2004-07-26 Tom Tromey <tromey@redhat.com>
+
+ * tree.h: Fix typo in comment.
+
+2004-07-26 Daniel Jacobowitz <dan@debian.org>
+
+ PR bootstrap/12804
+ * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
+ (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
+ (ggc_free): Remove incorrect freeing.
+ (sweep_pages): Advance PP for large pages. Fix indentation.
+
+2004-07-26 Richard Sandiford <rsandifo@redhat.com>
+
+ PR rtl-optimization/16643
+ * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
+ * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
+ * basic-block.h (reorder_basic_blocks): Add a flags parameter.
+ * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
+ (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
+ * function.c (thread_prologue_and_epilogue_insns): Likewise.
+ * rtl.h (tracer): Add a flags parameter.
+ * tracer.c (tracer): Pass it to cfg_layout_initialise.
+ * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
+ (rest_of_handle_reorder_blocks): Update calls to tracer and
+ reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
+ (rest_of_handle_tracer): Pass 0 to tracer.
+ (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
+
+2004-07-25 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/16239
+ * config/rs6000/rs6000.md (movdi_internal64): Further disparage
+ f->f.
+
+2004-07-24 Nathan Sidwell <nathan@codesourcery.com>
+
+ * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
+ (BINFO_BASE_ACCESS): Adjust.
+ (BINFO_BASE_ACCESS_APPEND): New.
+ (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
+ * dbxout.c (dbxout_type): Adjust binfo access accessing.
+ * dwarf2out.c (gen_member_die): Likewise.
+ * tree-dump.c (deque_and_dump): Likewise.
+
+2004-07-26 Falk Hueffner <falk@debian.org>
+
+ * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
+ costs.
+
+2004-07-25 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
+ value off of the stack if TARGET_USE_FFREEP.
+
+2004-07-26 Bernardo Innocenti <bernie@develer.com>
+
+ * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
+ * gengtype-yacc.y: Likewise. Replace free() with XDELETE ().
+ * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
+ check on invocation of XRESIZEVEC ().
+
+2004-07-26 Bernardo Innocenti <bernie@develer.com>
+
+ * c-common.c (disable_builtin_function): Rename variable n to
+ new_disabled_builtin.
+ * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
+ Rename local variable old to old_decl.
+ * gensupport.c (shift_output_template): Rename parameter old to src.
+ * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
+ old_rtx and newx to new_rtx.
+
+2004-07-26 Bernardo Innocenti <bernie@develer.com>
+
+ * Makefile.in (C_PRAGMA_H): New variable to track dependencies
+ of c-pragma.h.
+ * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
+ enum cpp_ttype.
+ * c-lex.c: Likewise.
+
2004-07-25 Roger Sayle <roger@eyesopen.com>
* fold-const.c (constant_boolean_node): Make extern.
2004-07-23 Mike Stump <mrs@apple.com>
- * c-typeck.c (convert_for_assignment): Tightened up pointer converstions
- that differ in signedness.
+ * c-typeck.c (convert_for_assignment): Tightened up pointer
+ converstions that differ in signedness.
2004-07-23 Zack Weinberg <zack@codesourcery.com>
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