+2004-07-12 James E Wilson <wilson@specifixinc.com>
+
+ * Makefile.in (AR): Use @AR@ not ar.
+ (NM): New.
+ (AR_FOR_TARGET): Use $(AR) not ar for native.
+ (NM_FOR_TARGET): Use $(NM) not nm for native.
+ * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
+ * configure: Regenerate.
+
+2004-07-12 David S. Miller <davem@nuts.davemloft.net>
+
+ * config/sparc/sparc.md (ashlsi3): Eliminate const 1
+ special case.
+ (ashldi3_sp64): Likewise.
+
+2004-07-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/16477
+ * pa.c (function_arg): Update comment.
+ * pa.h (BLOCK_REG_PADDING): Define.
+
+2004-07-12 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ PR tree-optimization/16461
+ * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
+ arguments of phi nodes.
+
+2004-07-12 Devang Patel <dpatel@apple.com>
+
+ * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
+
+2004-07-12 Steve Ellcey <sje@cup.hp.com>
+
+ * function.c (expand_function_start): Ensure r_save is in Pmode.
+ * calls.c (prepare_call_address): Ensure static_chain_value is
+ in Pmode.
+ * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
+ r_save_area are in Pmode.
+ * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
+ fnaddr, and static_chain are in Pmode.
+
+2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR target/16445
+ * config/ia64/ia64.c (bundling): Don't count ignored insns.
+
+2004-07-12 Richard Henderson <rth@redhat.com>
+
+ * target.h (struct gcc_target): Move gimplify_va_arg_expr
+ next to build_builtin_va_list.
+ * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
+ * builtins.c (gimplify_va_arg_expr): Likewise.
+ * gimplify.c (copy_if_shared_r): Likewise.
+
+2004-07-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * passes.c (rest_of_decl_compilation): Don't defer call of
+ assemble_variable if its DECL_RTL is already set.
+
+2004-07-12 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * cfgloop.h (struct loop): Add nb_iterations field.
+ (current_loops): Declare.
+ * tree-chrec.c (chrec_not_analyzed_yet,
+ chrec_dont_know, chrec_known, count_ev_in_wider_type,
+ chrec_contains_symbols_defined_in_loop): Remove the temporary
+ hooks.
+ * tree-flow-inline.h (loop_containing_stmt): New function.
+ * tree-scalar-evolution.c: Add implementation.
+ * tree-scalar-evolution.h: Add declarations.
+
+2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/15921
+ * Makefile.in (global.o): Add recog.h.
+
+ * global.c (recog.h): Add the include-clause.
+ (bb_info): New member earlyclobber.
+ (allocate_bb_info, free_bb_info): Initialize/finish the new
+ member.
+ (earlyclobber_regclass, earlyclobber_regclass_length): The new
+ global variables.
+ (check_earlyclobber, regclass_intersect,
+ mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
+ New functions.
+ (calculate_local_reg_bb_info): Calculate value of earlyclobber.
+ (make_accurate_live_analysis): Modify pavin.
+
+2004-07-12 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-cfg.c (find_taken_edge): Statically compute the truth
+ value of a predicate comparing an SSA_NAME to itself.
+
+2004-07-12 Roger Sayle <roger@eyesopen.com>
+
+ * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
+ rs6000 doesn't have shift-and-add or shift-and-sub instructions
+ by returning the cost of a multiplication plus an addition.
+
+2004-07-12 Paolo Bonzini <bonzini@gnu.org>
+
+ PR tree-optimization/14107
+ * gimplify.c (gimplify_return_expr): Accept a
+ RETURN_EXPR with an error argument.
+ * tree-optimize.c (init_tree_optimization_passes):
+ Run pass_warn_function_return at -O0.
+
+2004-07-12 Roger Sayle <roger@eyesopen.com>
+
+ * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
+ index entry.
+
+2004-07-12 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
+ (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
+ * config/mips/3000.md: Add copyright notice. Remove automota and
+ function units; use generic ones instead. Only define reservations
+ for things that are different from generic.md. Extend each clause
+ to include r3900.
+ * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
+ * config/mips/mips.md: Include them. Remove define_function_units.
+ (alu, imuldiv): New automata and units.
+
+2004-07-12 Ben Elliston <bje@au.ibm.com>
+
+ * doc/invoke.texi (Optimize Options): Document -frename-registers
+ not being enabled by default at -O3.
+
+2004-07-11 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
+ floating point additions, to keep real immediate constant positive.
+ <MINUS_EXPR>: For floating point subtractions, only transform X - -C
+ into X + C, and leave positive real constants as X - C.
+
+2004-07-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
+
+2004-07-11 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ PR tree-optimization/15654
+ * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
+
+2004-07-11 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (fold_builtin_fputs): Don't bother converting the
+ return type to integer_type_node, as we've already checked that
+ the result will be ignored.
+
+ * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
+ that signed addition, subtraction, multiplication, division,
+ remainder, negation and absolute value may potentially trap.
+
+ * fold-const.c (fold_ignored_result): New function to strip
+ non-side-effecting tree nodes from an expression whose result
+ is ignored.
+ (fold_convert): Call fold_ignored_result when casting a value
+ to VOID_TYPE.
+ (omit_one_operand): Call fold_ignored_result on the "omitted"
+ operand when building a COMPOUND_EXPR.
+ (pedantic_omit_one_operand): Likewise.
+ * tree.h (fold_ignored_result): Prototype here.
+ * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
+ when we're going to ignore the result.
+
+2004-07-11 Richard Henderson <rth@redhat.com>
+
+ PR tree-opt/16383
+ * tree-ssa-ccp.c (fold_stmt_r): Split out...
+ * tree.c (fields_compatible_p, find_compatible_field): ... new.
+ * tree.h (fields_compatible_p, find_compatible_field): Declare.
+ * tree-sra.c (sra_hash_tree): Hash fields by offset.
+ (sra_elt_eq): Use fields_compatible_p.
+ (generate_one_element_ref): Use find_compatible_field.
+
+2004-07-11 Richard Henderson <rth@redhat.com>
+
+ PR tree-opt/16422
+ * tree-sra.c (generate_one_element_init): New.
+ (generate_element_init): Use it.
+ (scalarize_init): Push/pop gimplify context around it.
+ (find_new_referenced_vars_1, find_new_referenced_vars): New.
+ * gimplify.c (gimplify_expr): Allow SSA_NAME.
+
+2004-07-11 Roger Sayle <roger@eyesopen.com>
+
+ * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
+ combine.c's combine_insn_cost.
+ * rtl.h (insn_rtx_cost): Prototype here.
+ * combine.c (combine_insn_cost): Delete function.
+ (combine_validate_cost): Update callers of combine_insn_cost to
+ call insn_rtx_cost instead.
+ (combine_instructions): Likewise. Use NONJUMP_INSN_P to avoid
+ requesting the rtx_cost of call and/or jump instructions.
+
+ * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
+ rtx_cost directly. Don't request/use the cost of call or jump
+ instructions. Return -1 if the cost of any instruction can't be
+ determined (or the BB contains a function call).
+ (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
+ -1 (i.e. can't determine the cost of any instruction or the basic
+ block contains a subroutine call).
+ (find_if_case_2): Likewise.
+
+2004-07-11 Roger Sayle <roger@eyesopen.com>
+
+ * rs6000.c (struct processor_costs): Change semantics of fields to
+ include the COST_N_INSNS scaling, and update all initializers.
+ (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
+ Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
+ Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP. When
+ optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
+
+2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ * LANGUAGES: Remove obsolete information.
+
+2004-07-11 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
+ SIGBUS signal frames, the PSW address points *to* the faulting
+ instruction, not after it.
+
+2004-07-11 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
+ added to TLS symbol addresses.
+
+2004-07-11 Richard Henderson <rth@redhat.com>
+
+ * expmed.c (init_expmed): Use stack-local structures for
+ temporary rtl. Don't recognize shifts.
+
+2004-07-11 Richard Henderson <rth@redhat.com>
+
+ * expr.c (store_expr): Don't fiddle subreg promotion for types
+ with precision smaller than the mode.
+
+2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ * tree.h (all_types_permanent): Remove.
+
+2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
+ maybe_build_cleanup, update_decl_after_saving): Remove hooks.
+ * langhooks.c (lhd_clear_binding_stack): Remove.
+ * langhooks-def.h (lhd_clear_binding_stack,
+ LANG_HOOKS_MAYBE_BUILD_CLEANUP,
+ LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
+ LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
+ LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
+ (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
+ * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
+ LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
+ LANG_HOOKS_MAYBE_BUILD_CLEANUP,
+ LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
+ * tree.h (poplevel): Don't declare.
+ * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
+ LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
+ * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
+ LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
+ Remove.
+
+2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ PR tree-optimization/16437
+ * c-common.c (shorten_compare): Don't mark result of conversion to
+ narrower signed type as overflowing.
+ * fold-const.c (decode_field_reference): Determine whether
+ signedness comes from outer type using precision rather than size.
+
+2004-07-11 Phil Edwards <phil@codesourcery.com>
+
+ * configure.ac: Alphabetize --enable-checking list, add
+ missing valgrind entry.
+ * configure: Regenerate.
+
+2004-07-11 Phil Edwards <phil@codesourcery.com>
+
+ * doc/install.texi (Testing): Fix syntax in "make check" example.
+
+2004-07-10 James E Wilson <wilson@specifixinc.com>
+
+ * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
+
+2004-07-10 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ PR rtl-optimization/16001
+ * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
+ niter_expr.
+
+2004-07-10 Geoffrey Keating <geoffk@apple.com>
+
+ * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
+
+2004-07-10 Steve Kargl <sgk@troutmask.apl.washington.edu>
+ James Morrison <phython@gcc.gnu.org>
+
+ * doc/contrib.texi (Contributors): Add gfortran contributors and
+ fix a couple of typos.
+
+2004-07-10 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ PR rtl-optimization/15387
+ * calls.c (check_sibcall_argument_overlap_1): Handle pointers
+ to incoming args space correctly.
+
+2004-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (output_indirect_call): Only use %r2 as the link register in
+ indirect calls with the long PA 2.0 pc-relative branch.
+
+2004-07-10 Daniel Jacobowitz <dan@debian.org>
+
+ * config/i386/i386.c (override_options): Pick a 64-bit CPU
+ for the default tuning if TARGET_64BIT.
+
+2004-07-10 Richard Henderson <rth@redhat.com>
+
+ * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
+ to HOST_WIDE_INT. Fold pad-args-down arithmetic.
+
+2004-07-10 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.h (store_bit_field, extract_bit_field): Remove last argument.
+ * expmed.c (store_bit_field, extract_bit_field): Remove last
+ argument.
+ * builtins.c (expand_builtin_signbit): Adjust callers.
+ * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
+ * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
+ * ifcvt.c (noce_emit_move_insn): Likewise.
+ * stmt.c (expand_return): Likewise.
+ * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
+ store_field, expand_expr_real_1): Likewise.
+
+2004-07-10 Richard Henderson <rth@redhat.com>
+
+ * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
+
+2004-07-09 Mike Stump <mrs@apple.com>
+
+ * config/darwin.c (no_dead_strip): Add.
+ (HAVE_DEAD_STRIP): Add.
+ (darwin_emit_unwind_label): Ensure that we don't dead code strip
+ the .eh label.
+
+2004-07-09 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ * tree-ssa-loop-im.c: New file.
+ * Makefile.in (tree-ssa-loop-im.o): Add.
+ * cfgloop.c (superloop_at_depth): New function.
+ * cfgloop.h (superloop_at_depth): Declare.
+ * common.opt (ftree-lim): New flag.
+ * expr.c (array_ref_up_bound): New function.
+ * params.def (PARAM_LIM_EXPENSIVE): New parameter.
+ * timevar.def (TV_LIM): New timevar.
+ * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
+ computing immediate uses of a phi node.
+ * tree-flow.h (struct tree_ann_common_d): Add aux field.
+ (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
+ * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
+ * tree-pass.h (pass_lim): Declare.
+ * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
+ functions.
+ (pass_lim): New pass structure.
+ * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
+ * tree.c (in_array_bounds_p): New function.
+ * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
+ (in_array_bounds_p, array_ref_up_bound): Declare.
+ * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
+ * doc/passes.texi (tree-ssa-loop-im.c): Document.
+
+2004-07-09 Richard Henderson <rth@redhat.com>
+
+ * builtins.c (expand_builtin_stpcpy): Don't modify len.
+
+ * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
+ with prejudice.
+
+2004-07-10 Kelley Cook <kcook@gcc.gnu.org>
+
+ * flags.h: Delete redundant prototypes that are being generated
+ in options.h from common.opt.
+ * common.opt: Add in the expository comments formerly in flags.h.
+
+2004-07-09 Jan Beulich <jbeulich@novell.com>
+
+ * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
+ available for use only when TARGET_MMX/_SSE is set, and check for
+ variable argument function if any register count is non-zero.
+ (function_arg): Correctly suppress repeated warnings for passing SSE
+ vectors are arguments without SSE enabled.
+ (ix86_function_arg_boundary): Without SSE enabled, the use of what
+ would be SSE register modes does no longer influence the alignment.
+
+2004-07-09 Richard Henderson <rth@redhat.com>
+
+ * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
+ Always align upward to arg boundary. Use size_in_bytes/round_up.
+ Maintain type-correctness of constants.
+ * stor-layout.c (round_up, round_down): Special-case powers of 2.
+
+2004-07-09 David S. Miller <davem@nuts.davemloft.net>
+
+ * config/sparc/sparc.c (*_costs): Scale instruction costs
+ by COSTS_N_INSNS.
+ (sparc_rtx_costs): Adjust as appropriate.
+
+2004-07-09 Jan Beulich <jbeulich@novell.com>
+
+ * config/i386/mm3dnow.h: New.
+ * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
+
+2004-07-09 Richard Henderson <rth@redhat.com>
+
+ * simplify-rtx.c (simplify_const_relational_operation): Only
+ look at bounds of scalar integers.
+
+2004-07-09 Jan Beulich <jbeulich@novell.com>
+
+ * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
+
+2004-07-09 Andrew Pinski <apinski@apple.com>
+
+ * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
+ always referenced.
+ (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
+ UOBJC_METACLASS_decl.
+
+2004-07-09 James E Wilson <wilson@specifixinc.com>
+
+ PR target/16364
+ * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
+ do return a parallel if hfa_mode == XFmode and mode == TImode.
+
+2004-07-09 Jan Beulich <jbeulich@novell.com>
+
+ * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
+ permissible for unary plus.
+
+2004-07-09 Jan Beulich <jbeulich@novell.com>
+
+ * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
+ (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
+ (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
+ (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
+ BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
+ * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
+ BUILTIN_POPCOUNTxxx): Arguments are unsigned.
+ (BUILTIN_xxxIMAX): New.
+ * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
+ BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
+ BUILT_IN_PARITYIMAX.
+
+2004-07-09 David S. Miller <davem@nuts.davemloft.net>
+
+ * config/sparc/sparc.h (processor_costs): Define.
+ (sparc_costs): Declare.
+ * config/sparc/sparc.c (cypress_costs, supersparc_costs,
+ hypersparc_costs, sparclet_costs, ultrasparc_costs,
+ ultrasparc3_costs): New.
+ (sparc_override_options): Set sparc_costs as appropriate.
+ (sparc_rtx_costs): Use sparc_costs instead of messy
+ conditionals.
+
+2004-07-09 Steven Bosscher <stevenb@suse.de>
+
+ * doc/md.texi (Processor pipeline description): Mention that
+ the old pipeline description is deprecated.
+
+ * config/rs6000/7450.md (automaton ppc7450): Split up, move
+ mciu_7450 function unit to...
+ (automaton ppc7450mciu): ...new automaton.
+
+ * haifa-sched.c (insert_schedule_bubbles_p): Remove.
+ (schedule_block): Don't consider inserting bubbles.
+ (sched_init): Don't initialize DFA bubbles.
+ * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
+ TARGET_SCHED_DFA_BUBBLE): Remove.
+ * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
+ * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
+ TARGET_SCHED_DFA_BUBBLE): Remove documentation.
+
+ * stmt.c (conditional_context): Remove prototype.
+ * tree.h (conditional_context): Remove.
+ * tree-cfg.c (pre_insert_on_edge): Remove.
+
+ * c-common.h (c_expand_asm_operands): Remove prototype.
+ * c-typeck.c (c_expand_asm_operands): Remove.
+
+2004-07-09 Jan Beulich <jbeulich@novell.com>
+
+ * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
+ their base modes. CTImode, TCmode, and XCmode must be passed in memory.
+ TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
+ and V8QI are class SSE. All sufficiently small remaining vector modes
+ must be passed in one or two integer registers.
+ (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
+ returned in memory.
+ (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
+ __builtin_ia32_pmuludq128 have non-uniform argument and return types
+ and must thus be handled explicitly.
+ * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
+ MMX and XMM regs.
+ (movv8qi_internal, movv4hi_internal, movv2si_internal,
+ movv2sf_internal): Permit moving between MMX and XMM registers (since
+ MMX areguments and return values are passed in XMM registers).
+ (sse2_umulsidi3): Correct type and mode.
+
+2004-07-09 Richard Henderson <rth@redhat.com>
+
+ * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
+
+2004-07-09 Eric Christopher <echristo@redhat.com>
+
+ * config/rs6000/40x.md: Split into two automatons.
+
+2004-07-09 Zack Weinberg <zack@codesourcery.com>
+ Andrew Pinski <apinski@apple.com>
+
+ * c-opts.c (c_common_post_options): Force unit-at-a-time mode
+ on when we have more than one input file.
+ (c_common_parse_file): Restore loop over all input files.
+ Clarify diagnostic for -dy when YYDEBUG wasn't defined.
+
+ * c-decl.c (set_type_context): New function.
+ (pop_scope): Use it to set context of types. When we
+ encounter a TYPE_DECL, set the context of the attached type too.
+ (pop_file_scope): Don't call cpp_undef_all here.
+ (diagnose_mismatched_decls): Do not complain about a second
+ definition of an 'extern inline' function if it's not in the
+ same translation unit. Do not complain about inline
+ declaration after use if the use was in a different
+ translation unit.
+ (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
+ (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
+ the external scope.
+ (pushdecl_top_level): Likewise.
+ (grokdeclarator): Clarify what is going on with setting
+ DECL_EXTERNAL on function types, a little.
+ (c_write_global_declarations): Don't do anything if
+ -fsyntax-only or errors have been encountered.
+
+2004-07-09 Zack Weinberg <zack@codesourcery.com>
+
+ * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
+
+2004-07-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/16459
+ * pa.c (output_indirect_call): Use %r2 as the link register when
+ calling $$dyncall with a pc-relative branch.
+
+2004-07-08 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/install.texi (Binaries): Mention OpenPKG.
+
+2004-07-09 Diego Novillo <dnovillo@redhat.com>
+
+ Fix PR tree-optimization/15555
+ * tree-dfa.c (dump_variable): If the variable is a pointer
+ SSA_NAME, also dump its points-to information.
+ * tree-flow.h (struct ptr_info_def): Add field
+ is_dereferenced.
+ (dump_points_to_info_for): Declare.
+ (debug_points_to_info_for): Declare.
+ * tree-optimize.c (init_tree_optimization_passes): Add a
+ second alias analysis pass after DOM2.
+ Move pass_del_pta to a later spot.
+ * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
+ create a name tags when we find a dereferenced pointer. Just
+ mark the pointer dereferenced.
+ (collect_points_to_info_for): Move code to clear points-to
+ information to create_name_tags.
+ (create_name_tags): New function.
+ (compute_flow_sensitive_aliasing): Call it.
+ (setup_pointers_and_addressables): Mark type tags for renaming
+ here instead of ...
+ (create_memory_tag): ... here.
+ (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
+ (dump_points_to_info_for): Declare extern.
+ (debug_points_to_info_for): New function.
+
+2004-07-09 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/arc/arc.md: Switch to DFA-based scheduler description.
+ * config/arc/arc.c: Switch to DFA-based scheduler description.
+
+2004-07-09 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
+ pointer.
+
+2004-07-09 Richard Henderson <rth@redhat.com>
+
+ * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
+ * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+ (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
+ * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
+
+ * config/v850/v850-protos.h (v850_va_arg): Remove.
+ * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+ (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
+ * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
+ (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
+ (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
+
+2004-07-09 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/12133
+ * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
+ and DImode to use +/-4k offset.
+
+2004-07-09 Richard Henderson <rth@redhat.com>
+
+ * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
+ Remove.
+ * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+ (xstormy16_gimplify_va_arg_expr): Rewrite from
+ xstormy16_expand_builtin_va_arg.
+ * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
+
+ * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
+ * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
+
+ * config/sh/sh-protos.h (sh_va_arg): Remove.
+ * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+ (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
+ * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
+
+ * config/pa/pa-protos.h (hppa_va_arg): Remove.
+ * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+ (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
+ * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
+
+ * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
+ * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+ (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
+ * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
+
+2004-07-09 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.md (return): Rewrite length formula.
+ * config/sparc/sparc.c (output_return): Pass 1 as 5th
+ argument to final_scan_insn when in a delay slot.
+ (output_sibcall): Likewise.
+
+2004-07-09 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_cpp_interwork): New variable.
+ (arm_override_options): Set it if TARGET_INTERWORK was on the command
+ line.
+ * arm.h (arm_cpp_interwork): Declare it.
+ (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
+ __THUMB_INTERWORK__ in the preprocessor.
+
+2004-07-09 Nathan Sidwell <nathan@codesourcery.com>
+
+ * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
+
+2004-07-09 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR target/16416
+ * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
+ Override default settings to account for -m32 and -m64.
+
+2004-07-08 Randolph Chung <tausq@debian.org>
+
+ * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
+
+2004-07-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * builtins.c (fold_builtin_strncpy): Make sure len is a constant
+ before comparing it as such.
+
+2004-07-08 Richard Henderson <rth@redhat.com>
+
+ * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
+ temporary. Use bit arithmetic to align.
+
+2004-07-08 Jerry Quinn <jlquinn@optonline.net>
+
+ * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
+ nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
+ NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
+ * bb-reorder.c (mark_bb_for_unlikely_executed_section,
+ add_labels_and_missing_jumps, find_jump_block,
+ fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
+ Likewise.
+ * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
+ link_btr_uses, move_btr_def): Likewise.
+ * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
+ expand_builtin_expect_jump): Likewise.
+ * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
+ * calls.c (expand_call, emit_library_call_value_1): Likewise.
+ * cfganal.c (forwarder_block_p): Likewise.
+ * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
+ make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
+ find_bb_boundaries): Likewise.
+ * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
+ merge_blocks_move_predecessor_nojumps,
+ merge_blocks_move_successor_nojumps, insns_match_p,
+ flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
+ try_optimize_cfg): Likewise.
+ * cfgexpand.c (expand_block, construct_exit_block): Likewise.
+ * cfglayout.c (skip_insns_after_block, label_for_bb,
+ record_effective_endpoints, insn_locators_initialize,
+ fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
+ * cfgmainloop.c (create_loop_notes): Likewise.
+ * cfgrtl.c (delete_insn, delete_insn_chain,
+ create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
+ update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
+ block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
+ redirect_branch_edge, force_nonfallthru_and_redirect,
+ rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
+ rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
+ update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
+ purge_dead_edges, cfg_layout_redirect_edge_and_branch,
+ cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
+ cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
+ need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
+ * combine.c (combine_instructions, can_combine_p, try_combine,
+ find_split_point, record_dead_and_set_regs, reg_dead_at_p,
+ distribute_notes, distribute_links, insn_cuid): Likewise.
+ * cse.c (fold_rtx, cse_insn, cse_around_loop,
+ invalidate_skipped_block, cse_set_around_loop,
+ cse_end_of_basic_block, cse_main, cse_basic_block,
+ cse_condition_code_reg): Likewise.
+ * cselib.c (cselib_process_insn): Likewise.
+ * ddg.c (create_ddg): Likewise.
+ * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
+ Likewise.
+ * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
+ gen_label_die, dwarf2out_var_location): Likewise.
+ * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
+ next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
+ last_call_insn, active_insn_p, next_label, prev_label,
+ link_cc0_insns, next_cc0_user, try_split, add_insn_after,
+ add_insn_before, remove_insn, add_function_usage_to,
+ reorder_insns, find_line_note, remove_unnecessary_notes,
+ emit_insn_after_1, classify_insn): Likewise.
+ * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
+ connect_post_landing_pads, sjlj_mark_call_sites,
+ sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
+ can_throw_internal, can_throw_external, set_nothrow_function_flags,
+ convert_to_eh_region_ranges): Likewise.
+ * explow.c (optimize_save_area_alloca): Likewise.
+ * expr.c (expand_expr_real): Likewise.
+ * final.c (insn_current_reference_address, compute_alignments,
+ shorten_branches, final, scan_ahead_for_unlikely_executed_note,
+ final_scan_insn, output_asm_label, leaf_function_p): Likewise.
+ * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
+ propagate_block_delete_insn, propagate_one_insn,
+ init_propagate_block_info, propagate_block, libcall_dead_p,
+ mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
+ Likewise.
+ * function.c (instantiate_virtual_regs, reorder_blocks_1,
+ expand_function_start, expand_function_end, contains,
+ thread_prologue_and_epilogue_insns,
+ reposition_prologue_and_epilogue_notes): Likewise.
+ * gcse.c (constprop_register, bypass_conditional_jumps,
+ insert_insn_end_bb, gcse_after_reload): Likewise.
+ * genemit.c (gen_expand, gen_split): Likewise.
+ * genpeep.c (gen_peephole, main): Likewise.
+ * global.c (build_insn_chain): Likewise.
+ * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
+ * haifa-sched.c (unlink_other_notes, unlink_line_notes,
+ get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
+ restore_line_notes, rm_redundant_line_notes, rm_other_notes,
+ ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
+ * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
+ cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
+ merge_if_block, block_jumps_and_fallthru_p, find_if_block,
+ dead_or_predicable): Likewise.
+ * integrate.c (try_constants): Likewise.
+ * jump.c (rebuild_jump_labels, cleanup_barriers,
+ purge_line_number_notes, init_label_info, mark_all_labels,
+ squeeze_notes, get_label_before, get_label_after,
+ reversed_comparison_code_parts, simplejump_p, pc_set,
+ returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
+ delete_barrier, delete_prior_computation, delete_computation,
+ delete_related_insns, delete_for_peephole, redirect_jump):
+ Likewise.
+ * lcm.c (optimize_mode_switching): Likewise.
+ * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
+ Likewise.
+ * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
+ * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
+ * loop-iv.c (simplify_using_assignment): Likewise.
+ * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
+ libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
+ find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
+ loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
+ check_insn_for_givs, check_final_value, update_giv_derive,
+ basic_induction_var, product_cheap_p, check_dbra_loop,
+ loop_insn_first_p, last_use_this_basic_block,
+ canonicalize_condition, get_condition, loop_regs_scan, load_mems,
+ try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
+ * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
+ sms_schedule_by_order): Likewise.
+ * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
+ * postreload.c (reload_cse_simplify_operands, reload_combine,
+ reload_cse_move2add): Likewise.
+ * predict.c (can_predict_insn_p, estimate_probability,
+ expected_value_to_br_prob, process_note_predictions): Likewise.
+ * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
+ * profile.c (branch_prob): Likewise.
+ * ra-build.c (live_out_1, livethrough_conflicts_bb,
+ detect_webs_set_in_cond_jump): Likewise.
+ * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
+ ra_print_rtl_with_bb): Likewise.
+ * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
+ * recog.c (next_insn_tests_no_inequality, find_single_use,
+ split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
+ * reg-stack.c (next_flags_user, record_label_references,
+ emit_swap_insn, swap_rtx_condition, subst_stack_regs,
+ compensate_edge, convert_regs_1): Likewise.
+ * regclass.c (scan_one_insn): Likewise.
+ * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
+ regmove_optimize, fixup_match_1, single_set_for_csa,
+ combine_stack_adjustments_for_block): Likewise.
+ * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
+ * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
+ find_equiv_reg): Likewise.
+ * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
+ reload_as_needed, emit_input_reload_insns, do_output_reload,
+ delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
+ Likewise.
+ * reorg.c (find_end_label, emit_delay_sequence,
+ delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
+ get_jump_flags, rare_destination, mostly_true_jump,
+ try_merge_delay_insns, redundant_insn, own_thread_p,
+ fill_simple_delay_slots, fill_slots_from_thread,
+ fill_eager_delay_slots, relax_delay_slots, make_return_insns,
+ dbr_schedule): Likewise.
+ * resource.c (find_basic_block, next_insn_no_annul,
+ find_dead_or_set_registers, mark_target_live_regs): Likewise.
+ * rtl.h (RTX_PREV): Likewise.
+ * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
+ no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
+ reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
+ find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
+ tablejump_p, computed_jump_p, insns_safe_to_move_p,
+ find_first_parameter_load, can_hoist_insn_p): Likewise.
+ * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
+ sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
+ * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
+ schedule_ebbs): Likewise.
+ * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
+ is_conditionally_protected, can_schedule_ready_p,
+ add_branch_dependences, debug_dependencies): Likewise.
+ * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
+ Likewise.
+ * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
+ reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
+ set_dominates_use, ujump_to_loop_cont): Likewise.
+ * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
+ * varasm.c (output_constant_pool_1): Likewise.
+
+2004-07-08 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ * tree-scalar-evolution.c: New file.
+ * tree-scalar-evolution.h: New file.
+ * tree-ssa-loop-niter.c: New file.
+ * Makefile.in (SCEV_H): New.
+ (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
+ * cfgloop.h (struct loop): Add bounds field.
+ * tree-flow.h (struct tree_niter_desc): New type.
+ (number_of_iterations_cond, number_of_iterations_exit,
+ loop_niter_by_eval, find_loop_niter_by_eval,
+ estimate_numbers_of_iterations, can_count_iv_in_wider_type,
+ free_numbers_of_iterations_estimates): Declare.
+ * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
+ * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
+ * doc/invoke.texi (max-iterations-to-track): Document.
+
+2004-07-08 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
+ * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
+ (MODE_AFTER): Add cast appropriately.
+ * config/sh/sh.md (movdi splitter): Likewise.
+ (casesi_worker_2): Add const qualifier appropriately.
+ (eh_return): Remove unused variable.
+ (insv): Initialize v;
+
2004-07-08 Richard Henderson <rth@redhat.com>
+ * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
+ * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+ (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
+ * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
+ (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
+
+ * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
+ * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+ (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
+ * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
+
+ * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
+ * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+ (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
+ * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
+
+ * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
+ * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+ (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
+ * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
+
* config/i860/i860-protos.h (i860_va_arg): Remove.
* config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
(i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
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