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* Makefile.in (bt-load.o): Depend on except.h.
authoramylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 27 Jan 2004 12:49:31 +0000 (12:49 +0000)
committeramylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 27 Jan 2004 12:49:31 +0000 (12:49 +0000)
* bt-load.c (except.h): #include.
(compute_defs_uses_and_gen): If insn at end of BB can throw
within this function, consider registers used by it unavailable for
btr migration.
(move_btr_def): If insn at end of BB can throw, insert before rather
than after.

* flags.h (flag_btr_bb_exclusive): Declare.
* toplev.c (flag_btr_bb_exclusive): New variable.
(f_options): Add btr-bb-exclusive.
* bt-load.c (augment_live_range): Restore old behaviour if
flag_btr_bb_exclusive is set.
* common.opt: Add entry for -fbtr-bb-exclusive.
* opts.c (common_handle_options): Same.
* doc/invoke.texi: Document -fbtr-bb-exclusive.

* bt-load.c (btrs_live_at_end): New variable.
(compute_defs_uses_and_gen): Compute its pointed-to array.
(clear_btr_from_live_range, add_btr_to_live_range): Update it.
(augment_live_range): When augmenting with a new dominator,
use only its btrs_live_at_end set, but also add in the full set
of the old dominator.
(btr_def_live_range): Use btrs_live_at_end.
(move_btr_def): Set other_btr_uses_before_def, and move new set
to the end of the basic block, if appropriate.
(migrate_btr_defs): Allocate and free btrs_live_at_end.

* bt-load.c (basic_block_freq): Remove outdated comment.

2004-01-27  Alan Modra  <amodra@bigpond.net.au>

* config/rs6000/rs6000.h: Correct target_flags free bits comment.
(PREDICATE_CODES): Remove duplicate.
* config/rs6000/linux64.h (CPP_SYSV_SPEC): Don't define.
(SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow 32 bit TARGET_PROFILE_KERNEL.
(MASK_PROFILE_KERNEL): Adjust define.

2004-01-27  Jakub Jelinek  <jakub@redhat.com>

* config/i386/i386.c (ix86_constant_alignment): Decrease alignment
of long string literals from 32 bytes to sizeof (void *) when !-Os
and to 1 with -Os.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/h8300.c (h8300_tiny_constant_address_p): Accept
constant addresses in the normal mode.

2004-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

* system.h (CHAR_BITFIELD): Delete.
(BOOL_BITFIELD): New.
* c-decl.c (c_scope): Use BOOL_BITFIELD.
* gengtype-lex.l: Recognize BOOL_BITFIELD instead of CHAR_BITFIELD.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

* config/arc/arc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
(TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
(TARGET_PROMOTE_PROTOTYPES): Likewise.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(TARGET_RETURN_IN_MEMORY): Likewise.
(arc_return_in_memory): Likewise.
* config/arc/arc.h (PROMOTE_FUNCTION_ARGS): Remove.
(PROMOTE_FUNCTION_RETURN): Likewise.
(RETURN_IN_MEMORY): Likewise.
(STRUCT_VALUE): Likewise.

2004-01-26  Richard Henderson  <rth@redhat.com>

* c-parse.in (extension): Use itype.
(SAVE_EXT_FLAGS): Don't allocate a tree.
(RESTORE_EXT_FLAGS): Don't read a tree.

2004-01-26  Jan Hubicka  <jh@suse.cz>

* cselib.c (discard_useless_values):  Clear out value pointer pointing
to datastructure to be recycled.

2004-01-25  Jan Hubicka  <jh@suse.cz>

* genextract.c (main): Do not output the memset when not checking.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/h8300.c (h8300_tiny_constant_address_p): Use a
switch statement instead of a chain of if statements.

2004-01-26  Jeff Law  <law@redhat.com>

* doc/contrib.texi: Minor cleanup for Paolo Carlini's entry.  Add
acute accents for Petur Runolfsson's entry.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

* config/pdp11/pdp11.c (TARGET_STRUCT_VALUE_RTX): New.
(TARGET_RETURN_IN_MEMORY): Likewise.
* config/pdp11/pdp11.h (STRUCT_VALUE): Remove.
(RETURN_IN_MEMORY): Likewise.

2004-01-26  Fariborz Jahanian <fjahanian@apple.com>

         * config/rs6000/rs6000.c (rs6000_emit_move): split slow
         unaligned load/store into smaller loads and stores.

2004-01-26  Fariborz Jahanian <fjahanian@apple.com>

        * function.c (assign_parms): Do not assign
        long long argument to memory in prologue if
        is it loaded into register.

2004-01-26  Fariborz Jahanian <fjahanian@apple.com>

 PR middle-end/13779
         * expr.c (emit_group_load): split constant
         correctly into register components of PARALLEL insn.

2004-01-26  Fariborz Jahanian <fjahanian@apple.com>

* gcc/config/rs6000/rs6000.md (save_stack_nonlocal):
Use adjust_address_nv directly with appropriate mode.
(restore_stack_nonlocal): Ditto.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

* config/xtensa/xtensa-protos.h: Remove the prototype for
xtensa_builtin_saveregs.
* config/xtensa/xtensa.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
(TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
(TARGET_PROMOTE_PROTOTYPES): Likewise.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(TARGET_RETURN_IN_MEMORY): Likewise.
(TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
(xtensa_builtin_saveregs): Make it static.
(xtensa_return_in_memory): New.
* config/xtensa/xtensa.h (PROMOTE_FUNCTION_ARGS: Remove.
(PROMOTE_FUNCTION_RETURN): Likewise.
(PROMOTE_PROTOTYPES): Likewise.
(STRUCT_VALUE): Likewise.
(RETURN_IN_MEMORY): Likewise.
(EXPAND_BUILTIN_SAVEREGS): Likewise.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

* config/arm/arm.c (TARGET_SETUP_INCOMING_VARARGS): New.
(arm_setup_incoming_varargs): Likewise.
* config/arm/arm.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

* config/cris/cris.c (TARGET_SETUP_INCOMING_VARARGS): New.
(cris_setup_incoming_varargs): Likewise.
* config/cris/cris.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

* config/ns32k/ns32k.c (TARGET_STRUCT_VALUE_RTX): New.
(ns32k_struct_value_rtx): Likewise.
* config/ns32k/ns32k.h (STRUCT_VALUE_REGNUM): Rename to
NS32K_STRUCT_VALUE_REGNUM.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

* config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
(TARGET_PROMOTE_PROTOTYPES): Likewise.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(arm_struct_value_rtx): Likewise.
* config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
(STRUCT_VALUE): Likewise.
(STRUCT_VALUE_REGNUM): Likewise.
(PROMOTE_PROTOTYPES): Likewise.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

* config/ia64/ia64-protos.h: Remove the prototype for
ia64_setup_incoming_varargs and ia64_return_in_memory.
* config/ia64/ia64.c (TARGET_STRUCT_VALUE_RTX): New.
(TARGET_RETURN_IN_MEMORY): Likewise.
(TARGET_SETUP_INCOMING_VARARGS): Likewise.
(TARGET_STRICT_ARGUMENT_NAMING): Likewise.
(ia64_setup_incoming_varargs): Adjust the arguments to meet
the requirement of TARGET_SETUP_INCOMING_VARARGS.
(ia64_return_in_memory): Make it static.  Change the return
type to bool from int.  Add an argument.
(ia64_struct_value_rtx): New.
* config/ia64/ia64.h: Remove commented-out definitions of
PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN, and
PROMOTE_PROTOTYPES.
(RETURN_IN_MEMORY): Remove.
(STRUCT_VALUE_REGNUM): Likewise.
(STRICT_ARGUMENT_NAMING): Likewise.

2004-01-26  Eric Botcazou  <ebotcazou@libertysurf.fr>

PR target/13666
* config/sparc/sparc.c (function_arg_union_value): New function.
(function_arg): Use it to deal with unions.
(function_value): Likewise.  Define 'regbase' only for ARCH64.
Replace a conditional statement by a simpler one.

2004-01-26  Richard Sandiford  <rsandifo@redhat.com>

* config/mips/mips.c (mips16_optimize_gp): Delete.
(mips_reorg): Don't call it.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

* config/c4x/c4x.md (addqi3_noclobber): Move up pecking order.
(floatunsqihf2): Remove operand 6.
(fixhfqi_set, fix_trunchfqi2, fixuns_trunchfqi2): Group with other
fix patterns.
(ldi_conditional, ldf_conditional): Validate operands.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

* config/c4x/c4x.h (BCT_CHECK_LOOP_ITERATIONS): Remove.
(HAVE_GAS_HIDDEN): Undefine as interim measure.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

* config/c4x/c4x.c (c4x_legitimate_address_p):  Invalidate direct
memory references if TARGET_EXPOSE_LDP nonzero.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

* config/c4x/c4x.c (legitimize_operands): Truncate invalid shift counts.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

* config/c4x/c4x.c (c4x_valid_operands): More aggressively reject
invalid operand combinations.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

* config/c4x/c4x.c (c4x_check_legit_addr): Rename to
c4x_legitimate_address_p.  Fix post_modify check.

* config/c4x/c4x-protos.h (c4x_check_legit_addr): Adjust.
* config/c4x/c4x.h (c4x_check_legit_addr): Adjust.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/pa/pa-protos.h: Remove the prototype for
hppa_builtin_saveregs.  Add a prototype for
pa_return_in_memory.
* config/pa/pa.c (TARGET_PROMOTE_FUNCTION_RETURN): New.
(TARGET_PROMOTE_PROTOTYPES): Likewise.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(TARGET_RETURN_IN_MEMORY): Likewise.
(TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
(pa_struct_value_rtx): Likewise.
(pa_return_in_memory): Likewise.
* config/pa/pa.h (STRUCT_VALUE_REGNUM): Rename to
PA_STRUCT_VALUE_REGNUM.
(INIT_CUMULATIVE_ARGS): Use pa_return_in_memory.
(EXPAND_BUILTIN_SAVEREGS): Remove.
(PROMOTE_PROTOTYPES): Likewise.
(PROMOTE_FUNCTION_RETURN): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): New.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(vax_struct_value_rtx): Likewise.
* config/vax/vax.h (STRUCT_VALUE_REGNUM): Rename to
VAX_STRUCT_VALUE_REGNUM.
(PROMOTE_PROTOTYPES): Remove.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (LEGITIMIZE_RELOAD_ADDRESS):  Handle symref.

2003-04-25  Chris Demetriou  <cgd@broadcom.com>

* config/mips/mips.h (ISA_HAS_HILO_INTERLOCKS): MIPS32, MIPS32r2,
and MIPS64 have HI/LO interlocks.  Update comment.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/stormy16/stormy16-protos.h: Remove the prototype for
xstormy16_setup_incoming_varargs.
* config/stormy16/stormy16.c
(xstormy16_setup_incoming_varargs): Remove.
(xstormy16_return_in_memory): New.
(TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
(TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
(TARGET_PROMOTE_PROTOTYPES): Likewise.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(TARGET_RETURN_IN_MEMORY): Likewise.
* config/stormy16/stormy16.h (PROMOTE_FUNCTION_ARGS): Remove.
(PROMOTE_FUNCTION_RETURN): Likewise
(PROMOTE_PROTOTYPES): Likewise
(RETURN_IN_MEMORY): Likewise
(STRUCT_VALUE): Likewise
(SETUP_INCOMING_VARARGS): Likewise

2004-01-25  Richard Sandiford  <rsandifo@redhat.com>

* config/mips/mips.c (mips_offset_within_object_p): New function.
(mips_symbolic_constant_p): Use it in the SYMBOL_SMALL_DATA and
SYMBOL_CONSTANT_POOL cases.  Also use it for SYMBOL_GENERAL if the
ABI has 64-bit pointers and the object file only allows 32-bit symbols.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/sh/sh.h (PROMOTE_FUNCTION_ARGS): Remove.
(PROMOTE_FUNCTION_RETURN): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/mn10300/mn10300-protos.h: Remove the prototype for
mn10300_builtin_saveregs.
* config/mn10300/mn10300.c (TARGET_PROMOTE_PROTOTYPES): New.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(TARGET_RETURN_IN_MEMORY): Likewise.
(TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
(mn10300_return_in_memory): Likewise.
(mn10300_builtin_saveregs): Make it static.
* config/mn10300/mn10300.h (PROMOTE_PROTOTYPES): Remove.
(RETURN_IN_MEMORY): Likewise.
(STRUCT_VALUE): Likewise.
(EXPAND_BUILTIN_SAVEREGS): Likewise.

2004-01-25  Eric Botcazou  <ebotcazou@act-europe.fr>

PR bootstrap/13853
* cfgcleanup.c (try_optimize_cfg): Explicitly test against 0.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/lib1funcs.asm (divnorm, modnorm): Optimize by
using ccr.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/i860/i860-protos.h: Remove the prototype for
i860_saveregs.
* config/i860/i860.c (i860_saveregs): Make it static.
(i860_struct_value_rtx): New.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
* config/i860/i860.h (STRUCT_VALUE_REGNUM): Rename to
I860_STRUCT_VALUE_REGNUM.
(EXPAND_BUILTIN_SAVEREGS): Remove.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/m68hc11/m68hc11.c (TARGET_STRUCT_VALUE_RTX): New.
(TARGET_RETURN_IN_MEMORY): Likewise.
(m68hc11_struct_value_rtx): Likewise.
(m68hc11_return_in_memory): Likewise.
* config/m68hc11/m68hc11.h: Remove a commented-out definition
of PROMOTE_PROTOTYPES.
(RETURN_IN_MEMORY): Remove.
(STRUCT_VALUE_REGNUM): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/mmix/mmix-protos.h: Remove the prototype for
mmix_setup_incoming_varargs.
* config/mmix/mmix.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(TARGET_SETUP_INCOMING_VARARGS): Likewise.
(mmix_setup_incoming_varargs): Make it static.
(mmix_struct_value_rtx): New.
* config/mmix/mmix.h (PROMOTE_FUNCTION_ARGS): Remove.
Remove a commented-out definition of PROMOTE_FUNCTION_RETURN.
(STRUCT_VALUE_REGNUM): Remove.
(SETUP_INCOMING_VARARGS): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/mips/mips-protos.h: Remove the prototypes for
mips_setup_incoming_varargs and mips_return_in_memory.
* config/mips/mips.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
(TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
(TARGET_PROMOTE_PROTOTYPES): Likewise.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(TARGET_RETURN_IN_MEMORY): Likewise.
(TARGET_SETUP_INCOMING_VARARGS): Likewise.
(TARGET_STRICT_ARGUMENT_NAMING): Likewise.
(mips_setup_incoming_varargs): Match the prototype for
TARGET_SETUP_INCOMING_VARARGS.
(mips_return_in_memory): Make it static.  Add argument fntype.
(mips_strict_argument_naming): New.
* config/mips/mips.h (PROMOTE_PROTOTYPES): Remove.
(PROMOTE_FUNCTION_ARGS): Likewise.
(PROMOTE_FUNCTION_RETURN): Likewise.
(STRUCT_VALUE): Likewise.
(RETURN_IN_MEMORY): Likewise.
(SETUP_INCOMING_VARARGS): Likewise.
(STRICT_ARGUMENT_NAMING): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/ip2k/ip2k.c (TARGET_STRUCT_VALUE_RTX): New.
(TARGET_RETURN_IN_MEMORY): Likewise.
(TARGET_SETUP_INCOMING_VARARGS): Likewise.
(ip2k_return_in_memory): Likewise.
(ip2k_setup_incoming_varargs): Likewise.
* config/ip2k/ip2k.h (RETURN_IN_MEMORY): Remove.
(STRUCT_VALUE): Likewise.
(STRUCT_VALUE_INCOMING): Likewise.
(SETUP_INCOMING_VARARGS): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

* config/avr/avr.c (TARGET_STRUCT_VALUE_RTX): New.
(TARGET_RETURN_IN_MEMORY): Likewise.
(TARGET_STRICT_ARGUMENT_NAMING): Likewise.
(avr_return_in_memory): Remove.
* config/avr/avr.h (RETURN_IN_MEMORY): Remove.
(STRUCT_VALUE): Likewise.
(STRUCT_VALUE_INCOMING): Likewise.
(STRICT_ARGUMENT_NAMING): Likewise.

2004-01-25  Jan Hubicka  <jh@suse.cz>

* combine.c (recog_for_combine): Avoid allocating unnecesary RTX.

2004-01-25  Richard Sandiford  <rsandifo@redhat.com>

* config/mips/mips-protos.h (mips_reg_mode_ok_for_base_p): Delete.
(mips_regno_mode_ok_for_base_p): Declare.
* config/mips/mips.h (ARG_POINTER_REGNUM): Renumber to 77.
(FRAME_POINTER_REGNUM): Renumber to 78.
(FIRST_PSEUDO_REGISTER): Update comment accordingly.
(BASE_REG_P, GP_REG_OR_PSEUDO_STRICT_P): Delete.
(GP_REG_OR_PSEUDO_NONSTRICT_P): Delete.
(REGNO_MODE_OK_FOR_BASE_P): Use mips_regno_mode_ok_for_base_p.
(REG_MODE_OK_FOR_BASE_P): Likewise.
* config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Change
entry for 77 to "$arg" and entry for 78 to "$frame".
(mips_regno_to_class): Map 77 and 78 to ALL_REGS.
(mips_reg_mode_ok_for_base_p): Remove.
(mips_regno_mode_ok_for_base_p): New function, derived from old
BASE_REG_P macro.  Don't enforce the mips16 stack pointer
restrictions unless we're being strict.
(mips_valid_base_register_p): Use mips_regno_mode_ok_for_base_p.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

* c-common.h: Fix comment typos.
* c-decl.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* et-forest.c: Likewise.
* flow.c: Likewise.
* function.c: Likewise.
* ifcvt.c: Likewise.
* integrate.c: Likewise.
* jump.c: Likewise.
* postreload.c: Likewise.
* varray.c: Likewise.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

* doc/frontends.texi: Update copyright.
* doc/gcov.texi: Likewise.
* doc/gty.texi: Likewise.
* doc/sourcebuild.texi: Likewise.
* doc/standards.texi: Likewise.

2004-01-24  Herman A.J. ten Brugge  <hermantenbrugge@home.nl>

PR target/12978
* c4x.md: (movstrqi*) Use match_scratch instead of match_dup.
Remove movstrqi_small because it conflicts with movstrqi_large.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

* config/cris/cris.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(cris_struct_value_rtx): Likewise.
* config/cris/cris.h (PROMOTE_FUNCTION_ARGS): Remove.
(CRIS_STACKADJ_REG): Use CRIS_STRUCT_VALUE_REGNUM instead of
STRUCT_VALUE_REGNUM.
(STRUCT_VALUE_REGNUM): Rename to CRIS_STRUCT_VALUE_REGNUM.

2004-01-24  Ian Lance Taylor  <ian@wasabisystems.com>

PR bootstrap/13848
* cse.c (cse_cc_succs): Change the mode of the source expression
as soon as decide we need a new mode.  Don't permit changing modes
if we found a match in a successor block.
(cse_condition_code_reg): Save original mode of source expression
so that we know whether we have to change the mode in other
insns.

2004-01-24  Jan Hubicka  <jh@suse.cz>

* emit-rtl.c (change_address, adjust_address_1, offset_address,
widen_memory_access):  Return early when there is nothing to change.

2004-01-24  Jakub Jelinek  <jakub@redhat.com>

* simplify-rtx.c (simplify_relational_operation): Don't
simplify address == constant into address + -constant == 0.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

* gcc.c (process_command): Don't internationalize the
Copyright message.
* mips-tfile.c (main): Likewise.

2004-01-24  Andreas Tobler  <a.tobler@schweiz.ch>

* cse.c: (cse_cc_succs) Fix comparison warning.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/h8300.md: Remove extraneous USE in expanders.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/h8300-protos.h: Provide prototypes for
h8300_legitimate_constant_p and h8300_legitimate_address_p.
* config/h8300/h8300.c (h8300_legitimate_constant_p): New.
(h8300_rtx_ok_for_base_p): Likewise.
(h8300_legitimate_address_p): Likewise.
* config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Use
h8300_legitimate_constant_p.
(RTX_OK_FOR_BASE_P): Remove.
(GO_IF_LEGITIMATE_ADDRESS): Use h8300_legitimate_address_p.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/h8300.h (REG_OK_FOR_INDEX_NONSTRICT_P): New.
(REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
(REG_OK_FOR_INDEX_STRICT_P): Likewise.
(REG_OK_FOR_BASE_STRICT_P): Likewise.
(REG_OK_FOR_INDEX_STRICT_P): Use REGNO_OK_FOR_INDEX_P.
(REG_OK_FOR_BASE_STRICT_P): Use REGNO_OK_FOR_BASE_P.
(REG_OK_FOR_INDEX_P): Use REG_OK_FOR_INDEX_STRICT_P.
(REG_OK_FOR_BASE_P): Use REG_OK_FOR_BASE_STRICT_P.

2004-01-24  Jan Hubicka  <jh@suse.cz>

* cselib.c (remove_useless_values):  Do not access discarded values.

2004-01-24  Joseph S. Myers  <jsm@polyomino.org.uk>

* c-typeck.c (build_conditional_expr): Do not allow non-lvalue
arrays.

2004-01-23  Kazu Hirata  <kazu@cs.umass.edu>

* recog.c: Fix a typo in copyright.

2004-01-23  Andrew Pinski  <apinski@apple.com>

* config/rs6000/rs6000.md (call): Fix misappiled patch.
(call_value): Likewise.

2004-01-23  Richard Henderson  <rth@redhat.com>

        PR opt/12941
        * combine.c (SHIFT_COUNT_TRUNCATED): Provide default value.
        (simplify_comparison): Don't simplify (eq (zero_extract c 1 r) 0)
        if SHIFT_COUNT_TRUNCATED is set.

2004-01-23  Bob Wilson  <bob.wilson@acm.org>

* config/xtensa/xtensa.c (xtensa_va_arg): Handle complex values as
separate real and imaginary parts.
* config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Define.

2004-01-23  Hartmut Penner <hpenner@de.ibm.com>

PR target/13674
* config/rs6000/rs6000.md (movdf_hardfloat64): Do not disparage
loading into GPR.

2004-01-23  Jan Hubicka  <jh@suse.cz>

* emit-rtl.c (change_address_1):  Do not re-generate the RTX if nothing
change.

* alloc-pool.c (align_four): Kill.
(create_alloc_pool): Align size to eight.
(free_alloc_pool, free_pool): Invalidate deallocated data.

2004-01-23  Ian Lance Taylor  <ian@wasabisystems.com>

PR gcc/1532
* cse.c (cse_change_cc_mode): New static function.
(cse_change_cc_mode_insns, cse_cc_succs): Likewise.
(cse_condition_code_reg): New function.
* rtl.h (cse_condition_code_reg): Declare.
* toplev.c (rest_of_handle_cse2): Call cse_condition_code_reg.
* target.h (struct gcc_target): Add fixed_condition_code_regs and
cc_modes_compatible.
* target-def.h (TARGET_FIXED_CONDITION_CODE_REGS): Define.
(TARGET_CC_MODES_COMPATIBLE): Define.
(TARGET_INITIALIZER): Add new initializers.
* targhooks.c (default_cc_modes_compatible): New function.
* targhooks.c (default_cc_modes_compatible): Declare.
* hooks.c (hook_bool_intp_intp_false): New function.
* hooks.h (hook_bool_intp_intp_false): Declare.
* config/i386/i386.c (TARGET_FIXED_CONDITION_CODE_REGS): Define.
(TARGET_CC_MODES_COMPATIBLE): Define.
(ix86_fixed_condition_code_regs): New static function.
(ix86_cc_modes_compatible): Likewise.
* doc/tm.texi (Condition Code): Document new hooks.

2004-01-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

* fixinc/inclhack.def (bad_lval): Renamed to ...
(alpha_bad_lval): ... this.
Removed file list.
Restrict to alpha*-dec-osf*.
* fixinc/fixincl.x: Regenerate.
* fixinc/tests/base/dirent.h: Remove, moving test ...
* fixinc/tests/base/testing.h: ... here, reflecting new name.

2004-01-23  Zack Weinberg  <zack@codesourcery.com>

PR c/13814
* c-decl.c (diagnose_mismatched_decls): Also discard a
built-in if we encounter an old-style definition with the
same name.

2004-01-23  Jakub Jelinek  <jakub@redhat.com>

* config.gcc (powerpc*-*): Clear $with_cpu or $with_tune if it was
set to default{32,64}.

2004-01-21  Jakub Jelinek  <jakub@redhat.com>

* config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR)
[!__powerpc64__]: Corrected to handle kernels with changed ucontext.

2004-01-23  Eric Botcazou  <ebotcazou@act-europe.fr>
    Olivier Hainque  <hainque@act-europe.fr>

* fold-const.c (fold_binary_op_with_conditional_arg): Only
build a COMPOUND_EXPR if 'arg' is really a SAVE_EXPR.

2004-01-23  Daniel Jacobowitz  <drow@mvista.com>

* config/arm/arm.c (arm_legitimate_address_p): Don't check the mode
size for minipool references.

2004-01-23  Roger Sayle  <roger@eyesopen.com>

* real.c (real_floor, real_ceil): Tweak to allow input and output
arguments to overlap.
(real_round): New function to implement round(3m) semantics.
* real.h (real_round): Prototype here.
* builtins.c (fold_builtin_round): New function to constant fold
round, roundf and roundl.
(fold_builtin): Call fold_builtin_round for BUILT_IN_ROUND{,F,L}.

2004-01-23  Alexandre Oliva  <aoliva@redhat.com>

PR optimization/13819
* config/sh/sh.c (sh_reorg): Compensate for sharing of CLOBBERs
introduced by 2004-01-20's Jan Hubicka's copy_insn change.
(sh_handle_sp_switch_attribute): Remove warning.

2003-11-30  Jan Hubicka  <jh@suse.cz>

* i386.c (ix86_emit_restore_regs_using_mov):  Deal with large offsets.

2004-01-23  J"orn Rennecke <joern.rennecke@superh.com>

* doc/tm.texi: Insert some weasel words when LOAD_EXTEND_OP
may or may not return non-NIL.
* postreload.c (reload_cse_simplify_operands): In LOAD_EXTEND_OP code,
check CANNOT_CHANGE_MODE_CLASS

2004-01-23  Jan Hubicka  <jh@suse.cz>

* basic-block.h (PROP_POSTRELOAD): New macro.
(CLEANUP_LOG_LINKS): New.
* cfgcleanup.c (cleanup_cfg): Only PROP_LOG_LINKS when asked to.
* toplev.c (rest_of_handle_life):  Preserve LOG_LINKS trought cleanup_cfg.

* cselib.c (value_pool): New.
(new_cselib_val): Use pool.
(cselib_init): Initialize value_pool
(cselib_finish): Free pool.

2004-01-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

* config/sparc/sparc.c (scan_record_type): New function.
(function_arg_slotno): Use it to determine which kinds of
registers the record can be passed in.

2004-01-22  James A. Mmorrison  <ja2morri@uwaterloo.ca>

* config/pa/fptr.c: Fix old-style definition.

2004-01-22  Paolo Bonzini  <bonzini@gnu.org>

PR optimization/13724
* cse.c (fold_rtx) <SUBREG>:  Fold a SUBREG to zero if it
represents the zero bits produced by a ZERO_EXTEND operation.

2004-01-22  Roger Sayle  <roger@eyesopen.com>

PR optimization/13821
* simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset to
correctly calculate the lowpart offset of the contracted subreg.

2004-01-22  Ian Lance Taylor  <ian@wasabisystems.com>

* doc/invoke.texi (Optimize Options): Note that --param arguments
are subject to change without notice.

2004-01-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

* config.gcc (mips-sgi-irix6*o32): Removed.
* config/mips/iris6-o32-as.h: Likewise.
* config/mips/iris6-o32-gas.h: Likewise.
* config/mips/iris6-o32.h: Likewise.

2004-01-22  Jan Hubicka  <jh@suse.cz>

* cfgcleanup.c (first_pass): New static variable.
(try_forward_edges):  Add work limiting check for threading.
(try_crossjump_bb):  Add work limiting check for crossjumping.
(try_optimize_cfg):  Maintain first pass variable.

2004-01-22  Bob Wilson  <bob.wilson@acm.org>

* config/xtensa/xtensa.c (function_arg): Generalize logic so that it
handles complex and vector modes.

2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/h8300.h (REG_OK_FOR_INDEX_P_STRICT): Remove.
(REG_OK_FOR_BASE_P_STRICT): Likewise.
(STRICT): Likewise.

2004-01-22  Daniel Jacobowitz  <drow@mvista.com>

* c-semantics.c (genrtl_while_stmt, genrtl_do_stmt_1)
(genrtl_for_stmt): Remove emit_nop calls.

2004-01-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

PR target/13713
PR target/13324
* pa.md (movstrsi_prereload, movstrsi_postreload, movstrdi_prereload,
movstrdi_postreload, clrstrsi_prereload, clrstrsi_postreload,
clrstrdi_prereload, clrstrdi_postreload): Fix constraints.

2004-01-22  Daniel Jacobowitz  <drow@mvista.com>

* config/arm/arm.c: Include "debug.h".
(thumb_pushpop): Take two new arguments.  Add some commentary.
Output frame information when pushing.
(thumb_exit, thumb_unexpanded_epilogue): Update calls to
thumb_pushpop.
(thumb_output_function_prologue): Likewise.  Accumulate a CFA
offset, and pass it to thumb_pushpop.  Output CFI information.
(thumb_expand_prologue): Add some frame-related markers and notes.

2004-01-22  Ulrich Weigand  <uweigand@de.ibm.com>

* config/s390/s390.c (s390_frame_info): Allow large frame sizes
for TARGET_64BIT.
(s390_arg_frame_offset): Change return type to HOST_WIDE_INT.
* config/s390/s390-protos.h (s390_arg_frame_offset): Likewise.

2004-01-22  Roger Sayle  <roger@eyesopen.com>
    Paolo Bonzini  <bonzini@gnu.org>

* rtlanal.c (subreg_lsb_1): New function split out from subreg_lsb.
(subreg_lsb): Change to call new subreg_lsb_1 helper function.
* rtl.h (subreg_lsb_1): Prototype here.
* simplify-rtx.c (simplify_subreg): Optimize subregs of zero and
sign extensions.

2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>

* doc/tm.texi (CASE_VECTOR_PC_RELATIVE): Mention that the
macro need not be defined if jump-tables should contain
relative addresses only when -fPIC or -fPIC is in effect.

2004-01-22  Jan Hubicka  <jh@suse.cz>

* alias.c (reg_base_value): Turn into varray.
(reg_base_value_size): Kill.
(old_reg_base_value): New deletable varray.
(alias_invariant_size): New variable.
(REG_BASE_VALUE): Update to use varray.
(find_base_value): Likewise.
(record_set): Likewise.
(record_base_value): Likewise.
(memrefs_conflict_p): Likewise.
(record_set): Likewise
(record_base_value): Likewise.
(memrefs_conflict_p): Use alias_invariant_size.
(init_alias_analysis): Use varray; set alias_invariant_size;
rescale other arrays to be sized by maxreg.
(end_alias_analysis): Save reg_base_value; clear alias_invariant_size.

2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

* config/sparc/sparc.c (function_arg_slotno): Use
FLOAT_TYPE_P to detect FP fields in structures.
(function_arg_record_value_1): Likewise.
(function_arg_record_value_2): Likewise.

2004-01-22  Jan Hubicka  <jh@suse.cz>

* function.c (allocate_struct_function): Do not initialize expr, emit
and varasm.
(prepare_function_start): Do it here.
* c-parse.in (maybe_type_qual): Do not produce line number notes.

2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

PR target/13559
* config/sparc/sparc.c (function_arg_record_value_3): Revert
to 'word_mode' once the first slot has been filled.

2004-01-22  Olivier Hainque  <hainque@act-europe.fr>

* config/sparc/sparc.c (function_arg_record_value_1): Fix
computation of the number of integer registers required.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

* config/i386/i386.md: Simplify certain comparisons of
const_int.

2004-01-21  Andrew Pinski  <apinski@apple.com>

PR target/13785
* config/rs6000/rs6000.md (call_value): Force operand
1 not operand 0 into a register.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

* cpperror.c, cpptrad.c, longlong.h, params.def, rtl.def,
unwind-dw2-fde.h: Update copyright.

2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

* pa-protos.h: Update copyright.
* pa.h: Likewise.
* pa.md: Likewise.

2004-01-21  Caroline Tice <ctice@apple.com>

PR target/12308
* config/i386/i386.md (fix_truncxfdi2): Add clause to clobber
flags register.
(fix_truncdfdi2): Likewise.
(fix_truncsfdi2): Likewise.
(*fix_truncdi_1): Likewise.
(fix_truncxfsi2): Likewise.
(fix_truncdfsi2): Likewise.
(fix_truncsfsi2): Likewise.
(*fix_truncsi_1): Likewise.
(fix_truncxfhi2): Likewise.
(fix_truncdfhi2): Likewise.
(fix_truncsfhi2): Likewise.
(*fix_trunchi_1): Likewise.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

* alias.c, basic-block.h, c-common.c, c-common.h,
c-cppbuiltin.c, c-opts.c, c-pragma.c, c-pretty-print.c,
calls.c, cfg.c, cfgcleanup.c, cfgrtl.c, cgraph.h, collect2.c,
combine.c, cppcharset.c, cpphash.h, cppinit.c, cpplib.c,
cpplib.h, cppmacro.c, crtstuff.c, cselib.c, cselib.h,
defaults.h, df.c, dominance.c, et-forest.c, expmed.c, expr.c,
expr.h, fix-header.c, function.h, gcc.c, gcse.c, genattrtab.c,
genautomata.c, genconditions.c, genemit.c, genflags.c,
gengtype.c, gengtype.h, genopinit.c, genrecog.c, gensupport.c,
ggc-zone.c, graph.c, haifa-sched.c, input.h, integrate.c,
langhooks-def.h, langhooks.c, langhooks.h, line-map.c,
line-map.h, local-alloc.c, optabs.c, optabs.h, postreload.c,
ra.h, recog.c, reg-stack.c, regmove.c, reload.c, reorg.c,
rtl.c, sched-deps.c, sched-ebb.c, sdbout.c, system.h,
target.h, targhooks.c, toplev.h, tree-inline.c, unwind-pe.h,
unwind.h, varray.c, varray.h: Update copyright.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/coff.h: Update copyright.
* config/h8300/elf.h: Likewise.
* config/h8300/h8300-protos.h: Likewise.
* config/h8300/h8300.c: Likewise.
* config/h8300/h8300.h: Likewise.
* config/h8300/h8300.md: Likewise.

2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

* fixinc/inclhack.def (hpux10_stdio_declarations, ultrix_const3,
ultrix_locale, ultrix_stdlib, ultrix_strings, ultrix_sys_time,
ultrix_unistd): New hacks.
* fixinc/tests/base/stdio.h (HPUX10_STDIO_DECLARATIONS_CHECK,
ULTRIX_CONST2_CHECK): Add checks.
* fixinc/tests/base/stdlib.h (ULTRIX_STDLIB_CHECK): Likewise.
* fixinc/tests/base/strings.h (ULTRIX_STRINGS2_CHECK): Likewise.
* fixinc/tests/base/unistd.h (ULTRIX_UNISTD_CHECK): Likewise.
* fixinc/tests/base/sys/time.h (ULTRIX_SYS_TIME_CHECK): Likewise.
* fixinc/tests/base/locale.h: New file.
* fixinc/fixincl.x: Rebuilt.

2004-01-21  Andreas Jaeger  <aj@suse.de>
    Michael Matz  <matz@suse.de>

* doc/extend.texi (Extended Asm): Clarify memory clobber.

2004-01-21  Jakub Jelinek  <jakub@redhat.com>

* crtstuff.c (frame_dummy, __do_global_ctors_1): Call
_Jv_RegisterClasses through a function pointer.

2004-01-21  Falk Hueffner  <falk@debian.org>

PR target/12898
* config/alpha/alpha.c (alpha_emit_set_const_1): If
no_new_pseudos, use gen_rtx_SET directly for SImode constants
which need multiple instructions to emit.

2004-01-21  Inaoka Kazuhiro  <inaoka.kazuhiro@renesas.com>

* config/m32r/m32r.h (CPP_SPEC): Define.

2004-01-21  Zack Weinberg  <zack@codesourcery.com>

* c-decl.c (merge_decls): Kill different_binding_level and
different_tu arguments; simplify throughout.
(duplicate_decls): Likewise.
(pushdecl, merge_translation_unit_decls): Update calls to
duplicate_decls.

2004-01-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

* Makefile.in (pretty-print.o): Depend on $(CONFIG_H) and
$(SYSTEM_H).
(print-rtl1.o): Depend on $(SYSTEM_H).

2004-01-20  Kelley Cook  <kcook@gcc.gnu.org>

PR bootstrap/12730
* configure.ac: Delete definition and subsitution of docdir.
Add info, man, srcman and srcinfo to target hooks. Create doc/
directory.
* configure: Regenerate.
* Makefile.in: Don't substitute docdir and delete all references
throughout.
(MAKEINFOFLAGS): Define.
(stmp-docobjdir): Delete.
(INFOFILES, MANFILES): Define.
(info): Call lang.info, srcinfo and lang.srcinfo.
(generated-manpages): Call lang.man, srcman and lang.srcman.
(srcinfo, srcman): New rules to copy back files to source directory.
(doc/%.info, doc/%.dvi, doc/%.1, doc/%.7): New implict rule.
(install-man): Revamp rule.
(clean): Update dvi directory.
(distclean): Delete TAGS from front end directorys.
(maintainer-clean): Delete all document files in source directory.

objc/Make-lang.in (objc.man, objc.info): Dummy entries.
(objc.srcman, objc.srcinfo): Likewise.

2004-01-20  Bruce Korb  <bkorb@gnu.org>

* fixinc/inclhack.def(math_exception): bypass only for glibc.
(matherr_decl): rename & relocate as exception_structure.
This fix must precede the math_exception fix.

2004-01-20  Roger Sayle  <roger@eyesopen.com>

* fold-const.c (fold_convert): Rename to fold_convert_const.
(fold_convert_const): Change arguments to take a tree_code,
a type and the operand/expression to be converted.  Return
NULL_TREE if no simplification is possible.  Add support for
FIX_CEIL_EXPR and FIX_FLOOR_EXPR in addition to FIX_TRUNC_EXPR.
(fold): Handle FIX_CEIL_EXPR and FIX_FLOOR_EXPR.
Adjust call to fold_convert to match new fold_convert_const.
Avoid modifying the tree passed to fold in-place.

2004-01-21  Alan Modra  <amodra@bigpond.net.au>

* config/rs6000/sysv4.h (DWARF2_FRAME_REG_OUT): Define.
* dwarf2out.c (output_cfi): Map regs using DWARF2_FRAME_REG_OUT.
* doc/tm.texi (DWARF_FRAME_REGNUM, DWARF2_FRAME_REG_OUT): Document.

2004-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

* pa-protos.h (compute_frame_size): Use HOST_WIDE_INT for frame sizes.
* pa.c (store_reg, store_reg_modify, load_reg, set_reg_plus_d):
Likewise.  Handle frames larger than 0x7fffffff on 64-bit ports.
(emit_move_sequence): Check scratch_reg first in various if statements.
Extend source simplification to handle all 64-bit CONST_INTs.
(pa_output_function_prologue): Use HOST_WIDE_INT_PRINT_DEC for printing
frame size.
(hppa_expand_prologue, hppa_expand_epilogue): Use HOST_WIDE_INT for
frame offset calculations.
* pa.h (NEW_HP_ASSEMBLER): Add comment.
(MAX_LEGIT_64BIT_CONST_INT, MIN_LEGIT_64BIT_CONST_INT,
LEGITIMATE_64BIT_CONST_INT_P): Define.
(LEGITIMATE_CONSTANT_P): Use LEGITIMATE_64BIT_CONST_INT_P.  Treat
any CONST_INT as legitimate during and after reload.
(VAL_32_BITS_P, INT_32_BITS): Define.
(LEGITIMIZE_RELOAD_ADDRESS): Handle large frame offsets.

2004-01-20  Jan Hubicka  <jh@suse.cz>

* emit-rtl.c (verify_rtx_sharing, copy_insn_1,
emit_copy_of_insn_after, emit_copy_of_insn_after): Clobbers
containing hard regs are shared.
(gen_hard_reg_clobber): New function.
(hard_reg_clobbers): New array.
* genemit.c (gen_exp): Use gen_hard_reg_clobber.
(copy_rtx): Do not copy clobbers containing hard regs.
* rtl.h (gen_hard_reg_clobber): Declare.

2004-01-20  Jan Hubicka  <jh@suse.cz>

* varray.c:  Include hashtab.h
(varray_descriptor): New structure.
(hash_descriptor, eq_descriptor, varray_descriptor,
print_statistics): New static functions
(varray_init, varray_grow): Update statistics
(dump_varray_statistics): New function.
* varray.h (dump_varray_statistics): Declare.
* toplev.c (finalize): Call it.
* Makefile.in (varray.o): Add dependency.

2004-01-20  Jan Hubicka  <jh@suse.cz>

* cselib.c: Include alloc-pool.h
(empty_vals, empty_elt_lists, empty_elt_loc_lists): Kill.
(elt_loc_list_pool, elt_list_pool, cselib_val_pool): Declare.
(new_elt_list, new_elt_loc_list, unchain_one_elt_list,
unchain_one_elt_loc_list_pool, unchain_one_value,
new_cselib_val): Simplify using allocpool.
(cselib_init): Initialize allocpools.
(cselib_finish): Finish allocpools.
* Makefile.in (cselib.o): Depend on alloc-pool.h

2004-01-20  Richard Sandiford  <rsandifo@redhat.com>

* config/mips/mips.c (mips_load_call_address): Make the call insn
use $gp if it could be calling a lazy binding stub.

2004-01-20  Kazu Hirata  <kazu@cs.umass.edu>

* config/s390/s390.c (TARGET_PROMOTE_FUNCTION_ARGS): Define.
(TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
(TARGET_STRUCT_VALUE_RTX): Likewise.
* config/s390/s390.h (PROMOTE_FUNCTION_ARGS): Remove.
(PROMOTE_FUNCTION_RETURN): Remove.
(STRUCT_VALUE): Remove.

2004-01-20  Denis Chertykov  <denisc@overta.ru>

PR bootstrap/13735
* config/avr/avr.h (BASE_REG_CLASS): Don't permit to use X
register as pointer after reload.

2004-01-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

PR optimization/12440
* loop.c: Include ggc.h.
(loop_optimize): Run garbage collector between optimization of loops.
* Makefile.in (loop.o): Add GGC_H dependency.

2004-01-20  Hartmut Penner  <hpenner@de.ibm.com>

* gcc/config/rs6000/rs6000.c (function_arg) Handle
vector register special in function without prototype.
(function_arg_advance): Vector parameters get always
GPRs allocated for the linux64 target.

2004-01-20  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

* config/m32r/m32r.h (TARGET_M32R2). Test for TARGET_M32R2_MASK
not TARGET_M32RX_MASK.

2004-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

PR target/13557
* config/sparc/sparc.c (function_arg): Reorder the cases.

2004-01-19  Per Bothner  <per@bothner.com>

Move cpp_reader's line_maps field to a shared global.
* cpphash.h (cpp_reader):  Rename line_maps field to line_table
and change the type to a pointer rather than a struct.
* cppinit.c (cpp_push_main_field):  Adjust accordingly.
* cpplib.c (do_include_common, _cpp_do_file_change, cpp_get_callbacks):
Likewise.
* cppfiles.c (validate_pch):  Likewise.
* cppmacro.c (_cpp_warn_if_unused_macro, _cpp_builtin_macro_text):
Likewise.
* cpperror.c (print_location):  Likewise.
* cpplib.h (cpp_create_reader):  New line_maps pointer parameter.
* cppinit.c (cpp_create_reader):  Handle new parameter.
(cpp_destroy):  Don't free line_maps - that's no longer our job.
* input.h (line_table):  New variable.
* toplev.c (line_table):  Declare variable.
(general_init):  Initialize line_table.
* c-opts.c (c_common_init_options):  Pass line_table to
cpp_create_reader.
* fix-header.c (read_scan_file):  New local variable line_table.
Initialize, and pass it to cpp_create_reader.
* Makefile.in (LIBS, LIBDEPS):  Add libcpp.a.
(C_AND_OBJC_OBJS, fix-header):  Remove redundant libcpp.a.

2004-01-19  Per Bothner  <per@bothner.com>

Implement a cache for linemap_lookup.
* line-map.h (struct_line_maps):  Add cache field.
* line-map.c (linemap_init):  Zero cache field.
(linemap_add):  Set cache field to offset of newly allocated map.
(linemap_lookup):  Use and set cache field.

2004-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>

PR optimization/13567
* cse.c (cse_basic_block): Call cse_insn with a non-null
libcall_insn for the last SET insn of a no-confilict block.

2004-01-20  Kelley Cook  <kcook@gcc.gnu.org>

* Makefile.in (target_noncanonical, program_transform_name): Use
immediate define instead of deferred.
(GCC_INSTALL_NAME, GCC_TARGET_INSTALL_NAME, CPP_INSTALL_NAME,
PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, GCOV_INSTALL_NAME,
GCCBUG_INSTALL_NAME): Define via a immediate $(shell) instead of
deferred backquote.

2004-01-20  Joseph S. Myers  <jsm@polyomino.org.uk>

* c-decl.c (c_init_decl_processing): Set pedantic_lvalues to
true unconditionally.
* c-typeck.c (unary_complex_lvalue, pedantic_lvalue_warning):
Remove.
(build_unary_op, build_modify_expr): Don't handle extended
lvalues.
(build_component_ref, build_conditional_expr): Call non_lvalue
instead of pedantic_non_lvalue.
(build_c_cast): Don't condition use of non_lvalue on pedantic.
* fold-const.c (fold): Don't check pedantic directly for
COMPOUND_EXPR.  Ensure that results for COMPOUND_EXPR are
passed to pedantic_non_lvalue.
* doc/extend.texi: Remove documentation of extended lvalues.

2004-01-19  Roger Sayle  <roger@eyesopen.com>

PR optimization/5263
* simplify-rtx.c (associative_constant_p): Delete.
(simplify_associative_operation): Rewrite to linearize terms, and
attempt to simplify new term against both left and right subterms.
(simplify_binary_operation): Call swap_commutative_operands_p on
op0 and op1, not trueop0 and trueop1.  Move the initialization of
trueop0 and trueop1 down to where first needed.
(simplify_relational_operation): Likewise.
* rtlanal.c (commutative_operand_precedence): Also order constant
operands using avoid_constant_pool_reference.

2004-01-19  Richard Henderson  <rth@redhat.com>

* config/alpha/alpha.c (aligned_memory_operand): Check MEM_ALIGN,
don't check memory mode.
(unaligned_memory_operand): Likewise.
(reload_inqi, reload_inhi, reload_outqi, reload_outhi): Don't
abort for op0 not MEM.

* config/alpha/alpha.c (alpha_expand_mov_nobwx): If the destination
is not a reg, copy to a scratch first.
(aligned_loadqi, aligned_loadhi, unaligned_loadqi, unaligned_loadhi,
unaligned_loadqi_le, unaligned_loadqi_be, unaligned_loadhi_le,
unaligned_loadhi_be): Expect op0 in DImode; don't SUBREG.
(reload_inqi, reload_inhi): Fix mode of op0.
(reload_inqi_help, reload_inhi_help, reload_outqi_help,
reload_outhi_help): Likewise.  Use define_insn_and_split.

* config/alpha/alpha.md (call peepholes): Check for REG_NORETURN
as well as $29 dead.

2004-01-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

* config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): New.  Emit
"tls_object" for thread-local objects.
* config/sparc/sparc.c (sparc_elf_asm_named_section): Emit
"#tls" for thread-local sections.
* configure.ac (thread-local checks): Specify --fatal-warnings in
every binutils-specific checks.  For sparc*-*-*, test whether the
OS is Solaris and the tools are native and act accordingly.
* configure: Rebuild.

2004-01-19  Jeff Law  <law@redhat.com>

* contrib.texi: Update Paolo Carlini's entry.  New entries for
Jerry Quinn and Petur Runolfsson.

2004-01-19  Roger Sayle  <roger@eyesopen.com>

* config/i386/i386.md (*movhi_1, *movqi_1): When optimizing for
size, don't use the larger zero-extending loads.

2004-01-19  Richard Henderson  <rth@redhat.com>

* alpha.h (HARD_REGNO_MODE_OK): Disallow SImode in FP regs.
* alpha.md (UNSPEC_NT_LDA): Remove.
(UNSPEC_CVTLQ, cvtlq): New.
(extendsidi2_1): Rename from extendsidi2_nofix; remove f/f.
(extendsidi2_fix): Remove.
(extendsidi2 splitter): Use cvtlq.
(extendsidi2 fp peepholes): Remove.
(cvtql): Use SFmode instead of SImode.
(fix_trunc?fsi): Update to match.
(floatsisf2_ieee, floatsisf2, floatsidf2_ieee, floatsidf2): New.
(movsi): Rename from movsi_nofix, remove f alternatives.
(movsi_nt_vms): Similarly.
(movsi_fix, movsi_nt_vms_fix): Remove.
(nt_lda): Remove.
* alpha.c (alpha_expand_prologue): Use adddi3, not nt_lda.

2004-01-19  Jan Hubicka  <jh@suse.cz>

* cgraph.c (cgraph_remove_node): Fix removal from linked list.
* cgraphunit.c (cgraph_finalize_compilation_unit): Clear next_needed
list.
(cgraph_remove_unreachable_nodes): New function
(cgraph_decide_inlining_of_small_function): Fix pasto.
(cgraph_decide_inlining_incrementally): Fix pasto.
(cgrpah_decide_inlining): Likewise; remove unreachable nodes.

2004-01-19  Steven Bosscher  <stevenb@suse.de>

* gengtype.c (header_file): Make it static.
(write_types_process_field, write_enum_defn): Minor whitespace fixes.
* gengtype.h (header_file): No longer extern.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

* defaults.h (CASE_VECTOR_PC_RELATIVE): Provide the default.
* expr.c (CASE_VECTOR_PC_RELATIVE): Remove.
* stmt.c (CASE_VECTOR_PC_RELATIVE): Likewise.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

* stmt.c (HAVE_casesi): Define it not already defined.
(HAVE_tablejump): Likewise.
(expand_end_case_type): Resort to the binary tree method if
neither casesi or tablejump is available.

2004-01-18  Daniel Jacobowitz  <drow@mvista.com>

* final.c (final_scan_insn): Make non-static again.
* output.h (final_scan_insn): Re-add prototype.
* config/arc/arc.c (arc_output_function_epilogue): Add NULL
to final_scan_insn call.
* config/cris/cris.c (cris_target_asm_function_epilogue): Likewise.
* config/mips/mips.c (mips_output_conditional_branch): Likewise.
* config/pa/pa.c (output_lbranch, output_call): Likewise.
* config/sh/sh.c (print_slot): Likewise.
* config/sparc/sparc.c (sparc_nonflat_function_epilogue): Likewise.
(output_sibcall, sparc_flat_function_epilogue): Likewise.

2004-01-18  Jan Hubicka  <jh@suse.cz>

* basic-block.h (try_redirect_by_replacing_jump): Declare.
* cfgcleanup.c (try_optimize_cfg): Use it.
* cfgrtl.c (try_redirect_by_replacing_jump): Export.
(rtl_redirect_edge_and_branch, cfg_layout_redirect_edge_and_branch):
Kill hack.
(cfg_layout_merge_blocks): Use try_redirect_by_replacing_jump.

Revert:
2004-01-16  Geoffrey Keating  <geoffk@apple.com>

* cfgrtl.c (try_redirect_by_replacing_jump): Optimize tablejumps
even after reload, just don't remove the actual jump tables.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

* config/rs6000/rs6000.h (STRICT_ARGUMENT_NAMING): Remove.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

* defaults.h (ASM_OUTPUT_ADDR_VEC_ELT): Fix the computation of
the size of a pointer in bytes.

2004-01-18  Roger Sayle  <roger@eyesopen.com>

* builtins.c (expand_builtin_expect_jump): Fix thinko of reusing
live "next" variable, which could lead to an infinite loop.

2004-01-18  Andrew Pinski  <pinskia@physics.uc.edu>

* config/rs6000/altivec.h: Wrap C++ functions in extern "C++"
block.

* config/rs6000/rs6000.c (rs6000_special_round_type_align):
Check for NULL in the chain and remove repeated code.

2004-01-18  Jan Hubicka  <jh@suse.cz>

* coverage.c (checksum_string): Rename to ...
(coverage_checksum_string): ... this one, Use crc32_string; recognize
names containing random number and zero the number out in order to get
match.

2004-01-18  Richard Sandiford  <rsandifo@redhat.com>

* config/mips/mips.c (mips_got_alias_set): Mark for PCH.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

* doc/c-tree.texi, doc/cpp.texi, doc/extend.texi,
doc/frontends.texi, doc/gcov.texi, doc/gty.texi, doc/install.texi,
doc/invoke.texi, doc/libgcc.texi, doc/md.texi, doc/rtl.texi,
doc/sourcebuild.texi, doc/standards.texi, doc/tm.texi,
doc/trouble.texi: Remove trailing whitespace.

2004-01-18  Richard Sandiford  <rsandifo@redhat.com>

PR target/7618
* config/mips/mips.c: Include cfglayout.h.
(TARGET_ASM_OUTPUT_MI_THUNK, TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
(mips_unspec_offset_high): Add temporary register argument.
(mips_load_call_address): New function, split out from...
(mips_expand_call): ...here.
(mips_output_cplocal): New function.
(mips_output_function_prologue, mips_output_function_epilogue): Use it.
(mips_emit_loadgp): New function, split out from...
(mips_expand_prologue): ...here.
(mips_output_mi_thunk): New function.

2004-01-17  Bernardo Innocenti  <bernie@develer.com>

* longlong.h (mc68020, __mc68030__, mc68030, __mc68040__, mc68040,
mcpu32): Remove redundant checks for implied target predefines.

2004-1-17  Andrew Pinski  <pinskia@physics.uc.edu>

* config/rs6000/rs6000.c (rs6000_special_round_type_align):
Return type is unsigned int not int.
* config/rs6000/rs6000-protos.h (rs6000_special_round_type_align):
Likewise.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

* doc/contrib.texi, doc/cppenv.texi, doc/extend.texi,
doc/install.texi, doc/invoke.texi, doc/tm.texi: Consistently use
"GNU/Linux" and "Microsoft Windows" terminology.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

* doc/c-tree.texi, doc/compat.texi, doc/cpp.texi,
doc/cppopts.texi, doc/extend.texi, doc/install.texi,
doc/interface.texi, doc/invoke.texi, doc/libgcc.texi, doc/md.texi,
doc/objc.texi, doc/rtl.texi, doc/tm.texi, doc/trouble.texi: Use
@smallexample instead of @example.

2004-01-17  Ziemowit Laski  <zlaski@apple.com>

* objc/objc-act.c (build_objc_method_call): Use target
hooks instead of macros to determine if ..._stret
dispatchers should be used (NeXT runtime only).

2004-01-17  Roger Sayle  <roger@eyesopen.com>

* builtins.c (expand_builtin_expect_jump): Fix mistake in my
last patch.  Use XEXP (x, 0) to get a LABEL_REF's CODE_LABEL.

2004-01-17  Daniel Jacobowitz  <drow@mvista.com>

* rtl.h (emit_insn_before_sameloc, emit_jump_insn_before_sameloc)
(emit_call_insn_before_sameloc, emit_insn_after_sameloc)
(emit_jump_insn_after_sameloc, emit_call_insn_after_sameloc): New
macros.
* reload1.c (emit_reload_insns): Use them.
* emit-rtl.c (emit_insn_before_sameloc, emit_insn_after_sameloc)
(emit_jump_insn_after_sameloc, emit_call_insn_after_sameloc): Check
for NULL PATTERN.

2004-01-17  Daniel Jacobowitz  <drow@mvista.com>

* final.c (SEEN_BB, SEEN_NOTE, SEEN_EMITTED): Define.
(final_scan_insn): Update to take an additional SEEN argument.  Emit
a line note after the prologue.  Make static.
(line_note_exists): Remove.
(final): Don't initialize line_note_exists.  Update call to
final_scan_insn.
* output.h (final_scan_insn): Remove prologue.
* function.c (set_insn_locators): Update comment.
(thread_prologue_and_epilogue_insns): Add a comment.

2004-01-17  Andrew Pinski  <pinskia@physics.uc.edu>

PR target/10781
* config/rs6000/rs6000-protos.h (rs6000_special_round_type_align):
Prototype.
* config/rs6000/rs6000.c (rs6000_special_round_type_align):
New function.
* config/rs6000/linux64.h (ROUND_TYPE_ALIGN): Use it.
* config/rs6000/aix.h (ROUND_TYPE_ALIGN): Likewise.
* config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Likewise.

2004-01-17  Jan Hubicka  <jh@suse.cz>

* toplev.c (rest_of_handle_reorder_blocks): Fix pasto in previous
commit.

* toplev.c (HAVE_conditional_execution): Provide default.
(rest_of_handle_reorder_blocks): For conditional_execution target
update liveness once after all transformations
(rest_of_compilation): Do crossjumping before ce3.

2004-01-17  Geoffrey Keating  <geoffk@apple.com>

* alias.c (new_alias_set): Mark last_alias_set for PCH.
(get_varargs_alias_set): Rename 'set' to 'varargs_set' and mark it
for PCH.
(get_frame_alias_set): Likewise, except rename it to 'frame_set'.
* config/rs6000/rs6000.c (rs6000_sr_alias_set): Mark for PCH.
(get_TOC_alias_set): Mark 'set' for PCH.

2004-01-16  Geoffrey Keating  <geoffk@apple.com>

* cfgrtl.c (try_redirect_by_replacing_jump): Optimize tablejumps
even after reload, just don't remove the actual jump tables.

2004-01-17  J. Brobecker  <brobecker@gnat.com>

* dwarf2out.c (is_subrange_type): Renamed from is_ada_subrange_type().
Remove checks for is_ada() and TREE_UNSIGNED.
(subrange_type_die): Emit a byte_size attribute if the subrange
type size is different from the base type size.
(modified_type_die): Replace call to is_ada_subrange_type() by
call to is_subrange_type().

2004-01-16  Andrew Pinski  <pinskia@physics.uc.edu>

* config/sh/sh.c: Include ggc.h.

2004-01-16  Geoffrey Keating  <geoffk@apple.com>

* Makefile.in (MD5_H): New.
(fold-const.o): Depend on md5.h.
(dwarf2out.o): Likewise.
(cppfiles.o): Likewise.
* cppfiles.c: Include md5.h.
(should_stack_file): Check against list read from PCH file.
(struct pchf_data): New.
(pchf): New variable.
(struct pchf_adder_info): New.
(pchf_adder): New.
(pchf_save_compare): New.
(_cpp_save_file_entries): New.
(_cpp_read_file_entries): New.
(struct pchf_compare_data): New.
(pchf_compare): New.
(check_file_against_entries): New.
* cpphash.h (_cpp_save_file_entries): Prototype.
(_cpp_read_file_entries): Prototype.
* cpppch.c (cpp_write_pch_state): Write the list of headers.
(cpp_read_state): Read the list of headers.

2004-01-17  Jan Hubicka  <jh@suse.cz>

* c-common.c (c_estimate_num_insns_1): Handle builtin_constant_p and
builtin_expect specially.
* params.def (PARAM_MAX_INLINE_INSNS_AUTO): Set to 100.
(PARAM_LARGE_FUNCTION_INSNS): Set to 3000.
* invoke.texi (max-inline-insns-single): Set to 100.
(large-function-insns): Set to 3000.

2004-01-16  Eric Christopher  <echristo@redhat.com>
    Chandrakala Chavva <cchavva@redhat.com>

* cppcharset.c (one_iso88591_to_utf8): New function.
(convert_iso88591_utf8): Ditto. Use.
(conversion_tab): Use.
(_cpp_input_to_utf8): New function.
(_cpp_init_iconv_buffer): Ditto.
(_cpp_close_iconv_buffer): Ditto.
* cpphash.h: Prototype new functions.
(cpp_buffer): Add input_cset_desc.
* cppinit.c: Add input_charset default.
* cpplib.c (cpp_push_buffer): Support init and
close of iconv.
* cpplib.h (cpp_options): Add input_charset.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

* system.h (ASM_OUTPUT_SECTION_NAME): Poison.
* config/alpha/unicosmk.h: Remove a commented-out definition
of ASM_OUTPUT_SECTION_NAME.
* config/stormy16/stormy16.h: Likewise.

2004-01-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

* fixinc/inclhack.def (alpha___extern_prefix): Renamed to ...
(alpha___extern_prefix_sys_stat): ... this.
Apply to <sys/mount.h>, too.
Tweak to match more variations.
* fixinc/tests/base/sys/stat.h: Adapt for new hackname.

* fixinc/inclhack.def (alpha___extern_prefix,
alpha___extern_prefix_standards): New hacks to obey
  __PRAGMA_EXTERN_PREFIX.
* fixinc/tests/base/testing.h [ALPHA___EXTERN_PREFIX_CHECK]: New
test.
* fixinc/tests/base/standards.h: Likewise.

* fixincl/inclhack.def (alpha_pthread): Tweak to match more
variations.
New testcase.
* fixinc/tests/base/pthread.h: Handle it.

* fixincl/inclhack.def (bad_lval): Sort file list.
Add many missing files up to Tru64 UNIX V5.1B.
* gcc/fixinc/tests/base/libgen.h: Renamed to ...
* gcc/fixinc/tests/base/dirent.h: ... this to match new file list
order.

* fixinc/fixincl.x: Regenerate.

2004-01-16  Mark Mitchell  <mark@codesourcery.com>

* version.c (version_string): Change to 3.5.0.
* doc/include/gcc-common.texi (version-GCC): Likewise.

2004-01-16  Jan Hubicka  <jh@suse.cz>

* i386.md (load_tp_di): Fix pasto.

PR opt/13608
* i386.c (ix86_compute_frame_layout): Fix for alloca on leaf function.

* c-pretty-print.c (pp_c_type_cast, pp_c_abstract_declarator,
pp_c_character_constant, pp_c_floating_constant,
pp_c_additive_expression, pp_c_shift_expression,
pp_c_equality_expression, pp_c_and_expression,
pp_c_exclusive_or_expression, pp_c_inclusive_or_expression,
pp_c_logical_and_expression): Remove inline modifier.
* dwarf2out.c (get_AT): Likewise.
* et-forest.c (et_splay): Likewise.
* ra.h (ra_alloc, ra_calloc): Likewise

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

* config/frv/frv-protos.h: Fix comment formatting.
* config/frv/frv.c: Likewise.
* config/frv/frv.h: Likewise.
* config/frv/frv.md: Likewise.
* config/frv/frvbegin.c: Likewise.
* config/frv/frvend.c: Likewise.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

* system.h (LINKER_DOES_NOT_WORK_WITH_DWARF2): Poison.
* doc/tm.texi (PREFERRED_DEBUGGING_TYPE): Don't mention
LINKER_DOES_NOT_WORK_WITH_DWARF2.
(LINKER_DOES_NOT_WORK_WITH_DWARF2): Remove.

2004-01-16  J"orn Rennecke <joern.rennecke@superh.com>

PR 11864
* postreload.c (reload_cse_simplify_operands): Don't remove
implicit extension from LOAD_EXTEND_OP.

2004-01-16  Jan Hubicka  <jh@suse.cz>

PR opt/11350
* cfgcleanup.c (try_optimize_cfg): Suppress tablejump removal
after reload.
* cfgrtl.c (rtl_can_merge_blocks, cfglayout_can_merge_blocks,
rtl_try_redirect_by_replacing_branch): Likewise.

2004-01-15  Geoffrey Keating  <geoffk@apple.com>

PR pch/13689
* alias.c (struct alias_set_entry): Mark for GC.
(alias_sets): Make static, mark for GC.
(record_alias_subset): Use GC to allocate alias structures.
* varray.c (element): Make generic varrays GCed.

PR pch/13361
* c-typeck.c (constructor_asmspec): Delete.
(struct initializer_stack): Delete field 'asmspec'.
(start_init): Delete saving of asmspec.
(finish_init): Don't update constructor_asmspec.
* dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
* stmt.c (expand_asm): Duplicate strings from tree.
(expand_asm_operands): Likewise.
* tree.c (tree_size): Update computation of size of STRING_CST.
(make_node): Don't make STRING_CST nodes.
(build_string): Allocate string with tree node.
* tree.def (STRING_CST): Update comment.
* tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
(tree_string): Place contents of string in tree node.
* config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
from tree.

* config/rs6000/rs6000.c (rs6000_va_arg): No need to special-case
altivec operands.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

* c-common.h: Fix comment formatting.
* c-cppbuiltin.c: Likewise.
* c-pragma.c: Likewise.
* calls.c: Likewise.
* collect2.c: Likewise.
* cppcharset.c: Likewise.
* cpptrad.c: Likewise.
* dbxout.c: Likewise.
* defaults.h: Likewise.
* dwarf2out.c: Likewise.
* fold-const.c: Likewise.
* genautomata.c: Likewise.
* genconditions.c: Likewise.
* genflags.c: Likewise.
* gengtype.c: Likewise.
* integrate.c: Likewise.
* loop.c: Likewise.
* predict.c: Likewise.
* sdbout.c: Likewise.

2004-01-15  Zack Weinberg  <zack@codesourcery.com>

* config/ia64/ia64.md (*movti_internal): C output template
extracted to ia64.c.
(*movti_internal_reg): Delete.
(reload_inti, reload_outti): Use the correct mode on operand 2
in the first place, don't fix it up in the output template.
(movtf, reload_ointf, reload_outtf): New expanders.
(*movtf_internal): New define_insn_and_split.
* config/ia64/ia64.c (ia64_split_timode): Rename to ia64_split_tmode;
make static; do not hand TFmode CONST_DOUBLEs to split_double.
(ia64_split_tmode_move): New function, body mostly pulled
from ia64.md:*movti_internal.
(ia64_function_arg_words): New function, extracted common
logic from ia64_function_arg et seq.
(ia64_function_arg_offset): Likewise.  Handle correctly the
case of a scalar quantity 16 bytes wide with only 8-byte alignment.
(ia64_function_arg, ia64_function_arg_partial_nregs)
(ia64_function_arg_advance): Use ia64_function_arg_words and
ia64_function_arg_offset.
(ia64_function_value): TCmode does not go in float regs.
(ia64_secondary_reload_class): Also handle TFmode.
* config/ia64/ia64-protos.h: Remove prototype for
ia64_split_timode; add prototype for ia64_split_tmode_move.

2004-01-15  Kelley Cook  <kcook@gcc.gnu.org>

* Makefile.in (MAINT): Make it an immediate assignment.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

* config/m32r/m32r.md: Remove useless calls to gen_lowpart.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/coff.h: Replace Hitachi with Renesas.
* config/h8300/elf.h: Likewise.
* config/h8300/h8300-protos.h: Likewise.
* config/h8300/h8300.c: Likewise.
* config/h8300/h8300.h: Likewise.
* config/h8300/h8300.md: Likewise.
* config/h8300/lib1funcs.asm: Likewise.

2004-01-15  Andrew Pinski  <apinski@apple.com>

* config/rs6000/rs6000.c (uses_TOC): Wrap #if TARGET_ELF
around it.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/h8300.c (h8300_return_in_memory): New.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(TARGET_RETURN_IN_MEMORY): Likewise.
* config/h8300/h8300.h (STRUCT_VALUE): Remove.
(RETURN_IN_MEMORY): Likewise.

2004-01-15  Richard Earnshaw  <rearnsha@arm.com>

PR optimization/13375
* gcse.c (handle_avail_expr): Just return if the source is not a
single set.

2004-01-15  Richard Earnshaw  <rearnsha@arm.com>
    Daniel Jacobowitz  <drow@mvista.com>

* arm/lib1funcs.asm (ARM_FUNC_START): Correct interworking case.
(EQUIV): Define.
(ARM_FUNC_ALIAS): New macro.
* arm/ieee754-df.S (gedf2, ledf2, nedf2, eqdf2): Use it.
* arm/ieee754-sf.S (gesf2, lesf2, nesf2, eqsf2): Use it.

2004-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

PR optimization/12372
* calls.c (expand_call): Add call_fusage data for stack arguments in
constant calls.

2004-01-15  Alan Modra  <amodra@bigpond.net.au>

* config/rs6000/rs6000.c (uses_TOC): Correct comment.  Make static.
(rs6000_elf_declare_function_name): Formatting.
* config/rs6000/rs6000-protos.h (uses_TOC): Remove declaration.

2004-01-15  Jan Hubicka  <jh@suse.cz>

PR bootstrap/13692
* sched-deps.c (sched_analyze_1, sched_analyze_2): Fix thinko in
previous patch.

2004-01-15  Richard Henderson  <rth@redhat.com>

* config/alpha/alpha.h (REG_ALLOC_ORDER): Reorder fp regs after
integer regs of the same call-savedness.

2004-01-15  Andreas Schwab  <schwab@suse.de>

PR bootstrap/13562
* config/m68k/m68k.c (output_move_const_into_data_reg): Clear cc
status for NOTB/NOTW/NEGW methods.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

* doc/invoke.texi: Update dump file names.  Fix a typo.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

* builtins.c (expand_builtin_va_end): Don't use
EXPAND_BUILTIN_VA_END.
* system.h (EXPAND_BUILTIN_VA_END): Poison.
* config/d30v/d30v.h: Remove a commented-out definition of
EXPAND_BUILTIN_VA_END.
* config/stormy16/stormy16.h: Likewise.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

* system.h (STRUCT_VALUE_INCOMING_REGNUM): Poison.
* targhooks.c (default_struct_value_rtx): Don't use
STRUCT_VALUE_INCOMING_REGNUM.

2004-01-15  Kelley Cook  <kcook@gcc.gnu.org>

PR bootstrap/12744
* configure.in: Revamp enable-generated-files-in-srcdir rule to define
GENINSRC and not parsedir.  Define srcextra as a langhook.
* configure: Regenerate.
* Makefile.in: Suppress default .l.c rule.  Don't substitute
parsedir and delete all references throughout.  Conditionally define
rule for srcextra dependent on GENINSRC.
(stmp-docobjdir): Delete.
(c-parse.o, gengtype-lex.o, gengtype-yacc.o): Use implicit build rule.
(srcextra): Copy c-parse.y, c-parse.c, gengtype-lex.c, gengtype-yacc.c,
and gengtype-yacc.h back to source directory.
(maintainer-clean): Delete all parse files in source directory.
(distclean): Delete generated files.

* objc/Make-lang.in (objc-parse.o): Use implicit build rule.
(objc-parse.c, objc-parse.y): Don't use parsedir.
(objc.srcextra): Copy objc-parse.y and objc-parse.c back to source
directory if requested.
(po-generated): Don't use parsedir.
(objc.maintainer-clean): Delete above files from source directory.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

* doc/tm.texi (FUNCTION_VALUE): Fix a typo.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

* doc/tm.texi: Replace RETURN_IN_MEMORY with
TARGET_RETURN_IN_MEMORY.

2004-01-15  Jan Hubicka  <jh@suse.cz>

* builtins.c (std_expand_builtin_va_arg): Align operand when needed.
* i386.c (init_cumulative_args): Set warn_sse; fix handling of variadic
functions accepting SSE arguments
(function_arg): Warn only when asked to warn.
* i386.h (ix86_args): Add warn_sse/warn_mmx fiels.

2004-01-14  Joseph S. Myers  <jsm@polyomino.org.uk>

* c-parse.in (stmts_and_decls): Make label at end of compound
statement a hard error.

2004-01-14  Jan Hubicka  <jh@suse.cz>

* cgraph.c (create_edge): Use local.redefined_extern_inline.
* cgraph.h (cgraph_local_info): Sort fields by size; add
redefined_extern_inline
(cgraph_global_info): Sort fields by size.
(cgraph_node): Likewise.
* cgraphunit.c (cgraph_finalize_function): Se
local.redefined_extern_inline on redefinition.
(cgraph_analyze_function): Use it; fix formating.

2004-01-14  Jan Hubicka  <jh@suse.cz>

PR c++/10776
* sched-deps.c (trye_dependency_cache, anti_dependency_cache,
outptu_dependency_cache, forward_dependency_cahe): Trun to vectors of
bitmaps
(cache_size): New variable
(add_dependence): Update use; canonize early memory locations
(sched_analyze_1): Likewise.
(sched_analyze_2): Likewise.
(init_dependency_caches): Initialize bitmaps.
(free_dependency_caches): Free bitmaps

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

* calls.c: Replace STRICT_ARGUMENT_NAMING in comments with
targetm.calls.strict_argument_naming().
* target.h: Likewise.

2004-01-14  Richard Henderson  <rth@redhat.com>

PR debug/13231
* dwarf2out.c (dwarf2out_stack_adjust): Skip prologue and epilogue
instructions.

2004-01-14  Richard Henderson  <rth@redhat.com>

PR c++/12491
* except.c (struct eh_region): Add u.fixup.resolved.
(resolve_one_fixup_region): Split out from ...
(resolve_fixup_regions): ... here.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

* config/mn10300/mn10300.h (STRUCT_VALUE): Change to 0.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

* config/alpha/alpha.h (STRUCT_VALUE): Remove.
* config/alpha/vms.h (STRUCT_VALUE_REGNUM): Remove #undef.
(STRUCT_VALUE): Remove.

2004-01-14  Steven Bosscher  <stevenb@suse.de>

* system.h: Poison PROMOTED_MODE
* integrate.c (expand_inline_function): Don't mention the
PROMOTED_MODE.
* loop.c (update_giv_derive): Same.
* tree.h (DECL_RTL): Same.

2004-01-14  J"orn Rennecke <joern.rennecke@superh.com>

PR target/9365
* sh.c (gen_block_redirect): Add special handling of RETURN.
(gen_far_branch) Don't call gen_stuff_delay_slot if there is no
far branch target (i.e. it's a return).

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

* regrename.c (find_oldest_value_reg): Fix a warning.

2004-01-14  Richard Earnshaw  <rearnsha@arm.com>

PR bootstrap/12527
* config.gcc (arm*-*-linux*): Don't include unknown-elf.h in tm_file.
Move linux-gas.h and linux-elf.h before aout.h.
* arm/arm.h (INITIALIZE_TRAMPOLINE): Only define if not already.
* arm/linux-elf.h (SUBTARGET_CPU_DEFAULT): Define.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

* config/m32r/m32r.md: Use GEN_INT instead of gen_rtx
(CONST_INT, VOIDmode, ...).

2004-01-14  Richard Earnshaw  <rearnsha@arm.com>

* regrename.c (find_oldest_value_reg): If the replacement uses
multiple hard registers, check that all of them are in CLASS.

2004-01-14  Jan Hubicka  <jh@suse.cz>

* alias.c (get_alias_set):  Initialize alias set to 0 when subset is
impossible.

2004-01-14  Kelley Cook  <kcook@gcc.gnu.org>

* Makefile.in: Define MAINT from --enable-maintainer-mode.

2004-01-14  Hartmut Penner  <hpenner@de.ibm.com>

* gcc/config/rs6000/rs6000.c (rs6000_stack_info)
Calculate always vrsave_mask if TARGET_ALTIVEC.
(rs6000_emit_prologue): Emit code for vrsave
only if TARGET_ALTIVEC_VRSAVE.
(rs6000_emit_epilogue): Likewise.

2004-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

* config/sparc/sparc.md (tie_add32): Fix pasto.
(tie_add64): Likewise.

2004-01-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

* config/i386/i386.md (*addqi_1_slp): Do not access operands[2].

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

* config/iq2000/iq2000-protos.h: Fix comment formatting.
* config/iq2000/iq2000.c: Likewise.
* config/iq2000/iq2000.md: Likewise.

2004-01-14  J. Brobecker  <brobecker@gnat.com>

* dwarf2out.c (is_ada_subrange_type): No longer check the TYPE_NAME.
(subrange_type_die): Add handle for nameless subrange types.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/h8300-protos.h: Replace do_movsi with
h8300_expand_movsi.
* config/h8300/h8300.c (do_movsi): Change to
h8300_expand_movsi.
* config/h8300/h8300.md (movsi): Replace do_movsi with
h8300_expand_movsi.
(movsf): Likewise.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/h8300.c (dosize): Change to
h8300_emit_stack_adjustment.  Update callers.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

* config/h8300/h8300.md (movstrictqi): Add an alternative with
the source being post_inc.  Tighten the predicate for the
destination to register_operand.
(movstricthi): Likewise.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

* system.h (SHARED_BSS_SECTION_ASM_OP): Poison.
* varasm.c (bss_section): Don't use SHARED_BSS_SECTION_ASM_OP.
* doc/tm.texi (SHARED_BSS_SECTION_ASM_OP): Remove.

2004-01-14  Jan Hubicka  <jh@suse.cz>

Partial fix PR c++/12850
* cgraphunit.c (cgraph_finalize_function): Always ggc_collect when
at zero nest level.

2004-01-13  Bernardo Innocenti  <bernie@develer.com>

* config/m68k/netbsd-elf.h (REGISTER_NAMES): Add missing "argptr"
pseudo-register.

2004-01-13  Devang Patel <dpatel@apple.com

PR debug/7078
* dbxout.c (dbxout_symbol_name): Emit mangled names for
NAMESPACE_DECL memebers.

2004-01-13  Andrew Pinski  <pinskia@physics.uc.edu>

PR c++/12709
* c-common.c (finish_fname_decls): Use the chain only if the
tree is an expr_stmt.

2004-01-13  Vladimir Makarov  <vmakarov@redhat.com>

* rtl.def: Add comment about new option in automata_option.

* genautomata.c (PROGRESS_OPTION): New macro.
(progress_flag): New global variable.
(gen_automata_option): Process `progress'.
(transform_insn_regexps, check_unit_distributions_to_automata,
make_automaton, NDFA_to_DFA, build_automaton, create_automata,
expand_automata, write_automata): Print about the progress only if
progress_flag.  Remove fflush.
(initiate_automaton_gen): Process command line flag `-progress'.

* doc/md.texi: Describe the new option.

2004-01-13  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

* cfg.c (dump_bb): Dump entry edges.

2004-01-13  Richard Earnshaw  <rearnsha@arm.com>

* arm.c (thumb_legitimate_address_p): Only allow constant pool
references from SImode.
* arm.md (thumb_movhi_insn): Don't allow minipool references.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

* system.h (TEXT_SECTION): Poison.
* varasm.c (text_section): Don't use TEXT_SECTION.
* config/sh/sh.c (sh_file_start): Fix a comment typo.
* doc/tm.texi (TEXT_SECTION): Remove.

2004-01-13  Ben Elliston  <bje@wasabisystems.com>

* doc/rtl.texi (Vector Operations): Remove defunct vec_const item.

2004-01-12  James E Wilson  <wilson@specifixinc.com>

* unwind-libunwind.c: Delete.

2004-01-12  Zack Weinberg  <zack@codesourcery.com>

PR 13656
* c-decl.c (diagnose_mismatched_decls): Whenever newtype or
oldtype is set, set *newtypep or *oldtypep too.  Do not set
them at the very end.
(validate_proto_after_old_defn): Restructure for comprehensibility;
make error messages clearer.

2004-01-12  Zack Weinberg  <zack@codesourcery.com>

* varray.h (VARRAY_POP): Add checking variant, aborts on underflow.
(VARRAY_TOP): Use VARRAY_CHECK so the access is bounds-checked.
* varray.c: No need to prototype error.
(varray_check_failed): Wrap long string onto two lines.
(varray_underflow): New function.

2004-01-13  Steven Bosscher  <stevenb@suse.de>

PR c++/13376
* function.h (struct function): Kill `name' field.
(current_function_name): Make it an extern function.
* function.c (current_function_name): New function.
* graph.c: Update all uses of current_function_name.
* gcse.c: Likewise.
* config/alpha/alpha.c, config/avr/avr.c, config/c4x/c4x.c,
config/mips/mips.c, config/pdp11/pdp11.c: Likewise.
* config/ip2k/ip2k.c (function_prologue): Use MAIN_NAME_P
instead of a strcmp with "main".

2004-01-13  Jan Hubicka  <jh@suse.cz>

* c-decl.c (diagnose_mismatched_decls):  Fix warning calls.

* cgraphunit.c (cgraph_optimize_function):  Always do
optimize_inline_calls when there is always_inline callee.
(cgraph_decide_inlining): Fix formating.
* tree-inline.c (inlinable_function_p): Do sorry for alwaysinline
functions.
(expand_call_inline): Likewise.
* toplev.h (sorry): Fix prototype.

2004-01-12  Roger Sayle  <roger@eyesopen.com>

* builtins.c (expand_builtin_expect_jump): Simplify logic. Handle
conditional jumps that drop through to unconditional jumps or the
end of the sequence.

2004-01-13  Jan Hubicka  <jh@suse.cz>

* alias.c (new_alias_set): Construct the alias_set varray.
(init_alias_once): Don't do it here.

2004-01-12  Marc Espie <espie@openbsd.org>

* system.h: handle YYBYACC like YYBISON.

2004-01-12  Jonathan Merriman <jonm@dualitymedia.com>

PR target/10847
* config.gcc: No longer includes conflicting header sparc/sol2.h when
building on sparc64-*-openbsd*.

2004-01-12  Andrew Pinski  <pinskia@physics.uc.edu>

PR debug/13539
* dbxout.c (dbxout_type): Protected inheritance is not
private but protected.

2004-01-12  Richard Sandiford  <rsandifo@redhat.com>

* config/mips/mips.c (mips_symbolic_constant_p): Revert last patch.

2004-01-12  Kazu Hirata  <kazu@cs.umass.edu>

PR optimization/12508.
* combine.c (try_combine): Remove a dead set in a parallel
even if its destination is a subreg.

Revert:
2003-06-03  Kazu Hirata  <kazu@cs.umass.edu>
* combine.c (simplify_set): Don't move a subreg in SET_SRC to
SET_DEST if WORD_REGISTER_OPERATIONS is not defined.

2004-01-12  Geoffrey Keating  <geoffk@apple.com>

* real.c: Update copyright date.
* emit-rtl.c: Likewise.
* rtl.h: Likewise.
* dwarf2out.c: Likewise.
* config/rs6000/darwin-ldouble.c: Likewise.
* config/rs6000/rs6000.md: Likewise.

2004-01-12  David Edelsohn  <edelsohn@gnu.org>

* config/rs6000/rs6000.c (rs6000_init_libfuncs): Add AIX
TFmode to SImode libfuncs.

2004-01-12  Roger Sayle  <roger@eyesopen.com>

PR middle-end/11397
* varasm.c (assemble_alias): Remove weak aliases from weak_decls.

2004-01-12  Jan Hubicka  <jh@suse.cz>

PR opt/12826
* loop.c (insert_loop_mem): Preffer VOLATILE memory references to be
stored.

PR opt/12863
* cfgcleanup.c (label_is_jump_target_p): Move to...
* rtlanal.c (label_is_jump_target_p): ... here.
* cfgrtl.c (cfg_layout_redirect_edge_and_branch):  Fix redirecting of fallthru
edges unified with branch edges.

2004-01-12  Richard Earnshaw  <rearnsha@arm.com>

* simplify-rtx.c (simplify_immed_subreg): Correctly extract the
high word of an integral CONST_DOUBLE.

2004-01-12  Paul Brook  <paul@codesourcery.com>

* simplify-rtx.c (simplify_plus_minus): Always generate canonical form.

2004-01-12  J"orn Rennecke <joern.rennecke@superh.com>

PR target/13585
* sh-protos.h (check_use_sfunc_addr): Declare.
* sh.c (extract_sfunc_addr, check_use_sfunc_addr): New functions.
* sh.md (use_sfunc_addr): Use check_use_sfunc_addr in insn predicate.

2004-01-12  Jan Hubicka  <jh@suse.cz>

* alias.c:  Invlude varray.h
(alias_sets): Turn into varray.
(get_alias_set_entry): Use VARRAY; mark inline.
(mems_in_disjoint_alias_sets_p): Mark inline.
(record_alias_subset): Use varray.
(init_alias_once): Initialize varray.
(new_alias_set): Grow array.
* varray.c: Make VARRAY_GENERIC_PTR non GTYized.

2004-01-12  Jan Hubicka  <jh@suse.cz>

Partial fix for PR opt/10776 II
* cselib.c: Include params.h
(cselib_invalidate_mem):  Limit amount of nonconflicting memory
locations.
* params.def (PARAM_MAX_CSELIB_MEMORY_LOCATIONS): New.
* Makefile.in (cselib.o): Depend on params.h

2004-01-12  Richard Sandiford  <rsandifo@redhat.com>

* combine.c (combine_simplify_rtx): Don't pass VOIDmode to
simplify_unary_operation if the operand has a known mode.

2004-01-12  Hartmut Penner  <hpenner@de.ibm.com>

PR target/13534
* gcc/config/rs6000/rs6000.c (word_offset_memref_operand): New
predicate to handle 'ld' conform addresses.
* gcc/config/rs6000/rs6000.h (EXTRA_CONSTRAINT): New 'Y'
contraint.
(EXTRA_MEMORY_CONSTRAINT): Tell reload which constraint
are memory contraints.
* gcc/config/rs6000/rs6000-protos.h (word_offset_memref_operand):
New prototype.
* gcc/config/rs6000/rs6000.md (*movdf_hardfloat64):
Change 'o' to 'Y' constraint.
(*movdf_softfloat64): Ditto.

2004-01-12  Bernardo Innocenti  <bernie@develer.com>

* gcc/config/m68k/m68k.md: Switch from the "*..." syntax to the
brace-enclosed syntax in all C output statements.

2004-01-12  David Edelsohn  <edelsohn@gnu.org>

PR target/13401
* config/rs6000/rs6000.c (rs6000_output_function_epilogue):
Objective-C language type value is 14.

2004-01-12  Markus F.X.J. Oberhumer  <markus@oberhumer.com>

PR c/12148
* config/m68k/fpgnulib.c: Fix `-mshort' bugs: Use `long' instead of
`int' in a number of places to make sure we always have a SImode
and not a HImode.  Add a 'L' suffix to a number of constants.

2004-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

* pa.c: Don't include obstack.h.

* pa.md: Correct constraint in pattern for loading PIC label address.

2004-01-11  Kaz Kojima  <kkojima@gcc.gnu.org>

* config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine
 before defining.

2004-01-11  Steven Bosscher  <stevenb@suse.de>

PR fortran/9972
* toplev.c (rest_of_handle_inline): Also consider functions
for deferral if the language is GNU F77.

2004-01-11  Zack Weinberg  <zack@codesourcery.com>

* c-decl.c (diagnose_arglist_conflict): Add missing space to
diagnostic messages.

2004-01-11  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/13392
* builtins.c (expand_builtin_expect_jump): Handle conditional jumps
to drop through label.  Don't fall back to SCC even when conditional
jump has not been found.

2004-01-11  Jan Hubicka  <jh@suse.cz>

* invoke.texi: Fix syntax error in previous patch.

Partial fix for PR opt/10776
* Makefile.in (reload.o): Include param.h
* params.def (PARAM_MAX_RELOAD_SEARCH_INSNS): New parameter.
* reload.c: Include params.h.
(find_equiv_reg): Work limiting check.
* invoke.texi: Document.

2004-01-11  Richard Sandiford  <rsandifo@redhat.com>

* config/mips/mips.c (mips_symbolic_constant_p): Don't allow
out-of-bounds accesses to string constants.  Simplify mips16
case accordingly.

2004-01-11  Richard Sandiford  <rsandifo@redhat.com>

PR optimization/13469
* toplev.c (rest_of_compilation): Call purge_all_dead_edges after
reload_cse_regs (-fnon-call-exceptions only).

2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>

* config/mcore/lib1.asm: Fix comment formatting.
* config/mcore/mcore-elf.h: Likewise.
* config/mcore/mcore.c: Likewise.
* config/mcore/mcore.h: Likewise.
* config/mcore/mcore.md: Likewise.

2004-01-10  Zack Weinberg  <zack@codesourcery.com>

* c-decl.c (duplicate_decls): Break apart into...
(diagnose_arglist_conflict, validate_proto_after_old_defn)
(locate_old_defn, diagnose_mismatched_decls, merge_decls):
... these new functions.  Restructure for comprehensibility.
Remove various archaic special cases.  Always report the
location of the previous declaration when a diagnostic is issued.
(redeclaration_error_message): Fold into diagnose_mismatched_decls.
(match_builtin_function_types): Delete unnecessary forward declaration.

2004-01-10  Zack Weinberg  <zack@codesourcery.com>

* genautomata.c (make_automaton, NDFA_to_DFA):
Print progress bars with '.' characters instead of '*'.
(build_automaton): Change notes to match.

2004-01-10  Kazu Hirata  <kazu@cs.umass.edu>

* config/m32r/m32r.md: Use define_constants for unspec and
unspec_volatile.

2004-01-10  Jan Hubicka  <jh@suse.cz>

PR opt/11635
* expr.c (expand_expr_real):  More curefully expand union casts.

2004-01-10  Kazu Hirata  <kazu@cs.umass.edu>

* config/m32r/m32r.md (flush_icache): Use 1 for
unspec_volatile.

2004-01-10  David Edelsohn  <edelsohn@gnu.org>
    James E Wilson  <wilson@specifixinc.com>

PR debug/12860
* dbxout.c (dbxout_symbol): Remove initialization of
current_sym_code, current_sym_value, and current_sym_addr.
(dbxout_symbol_location): Same.
(dbxout_prepare_symbol): Zero current_sym_code,
current_sym_value, and current_sym_addr.

2004-01-10  Richard Sandiford  <rsandifo@redhat.com>

* tree.c (get_unwidened): Reorder conditions so that the null pointer
check is done first.

2004-01-09  Eric Christopher  <echristo@redhat.com>

* toplev.c (rest_of_handle_cfg): Add reg_scan pass
if we're running mark_constant_function.

2004-01-09  Jeff Bailey  <jbailey@nisa.net>

PR target/12561
* config/t-gnu: Rename SYSTEM_HEADER_DIR to NATIVE_SYSTEM_HEADER_DIR.

2004-01-09  Andrew Pinski <pinskia@physics.uc.edu>

PR debug/11231
* dbxout.c (dbxout_type_fields): Return if any item is
error_mark_node or the type is error_mark_node.

2004-01-09  Geoffrey Keating  <geoffk@apple.com>

* config/rs6000/darwin-ldouble.c: Add big comment explaining
exactly what is expected as a 'long double'.
(_xlqadd): When a value to be returned is representable as a
'double', just return it directly, do not construct it using a union.
Also, correct final fixup.
(_xlqmul): Likewise.
(_xlqdiv): Likewise.
* real.c (encode_ibm_extended): Make consistent with darwin-ldouble.c.

* config/rs6000/rs6000.md (fix_trunctfdi2): Delete.

2004-01-09  Richard Henderson  <rth@redhat.com>

* recog.c (constrain_operands): Validate mem operands.

2004-01-09   James E Wilson  <wilson@specifixinc.com>

* gcc.c (init_spec): Remove -lunwind from shared case.
* conifg/ia64/t-hpux (SHLIB_LINK): Add -lunwind.

2004-01-09  Steve Ellcey  <sje@cup.hp.com>

* configure.ac: (gcc_cv_ld_hidden) Set to true for ia64*-*-hpux*.
* configure: Regenerate

2004-01-09  Joseph S. Myers  <jsm@polyomino.org.uk>

PR c/11234
* c-typeck.c (build_c_cast): If pedantic, warn for conversions
between function and object pointers.
(digest_init): When comparing a pointer to function type to the
target type, only apply TREE_TYPE once to the pointer to function
type.
* except.c (for_each_eh_label_1): Treat data as a pointer to a
function pointer rather than casting it to a function pointer.
(for_each_eh_label): Update caller.
* recog.h (struct insn_data): Use a struct or union for output.
* genoutput.c (output_insn_data): Update.
* final.c (get_insn_template): Update.

2004-01-09  Mark Mitchell  <mark@codesourcery.com>

* expr.h (expand_expr): Make it a macro, not a function.
(expand_expr_real): New function.
* expr.c (store_expr): Adjust logic for deciding whether or not to
copy the value returned by expand_expr.
(expand_expr): Rename to ...
(expand_expr_real): ... this.  Add alt_rtl parameter.  Adjust
calls to language hooks.
* c-common.h (c_expand_expr): Adjust prototype.
* c-common.c (c_expand_expr): Add alt_rtl parameter.
* langhooks-def.h (lhd_expand_expr): Change prototype.
* langhooks.c (lhd_expand_expr): Add all_rtl parameter.
* langhooks.h (lang_hooks): Change type of expand_expr.
* stmt.c (stmt_status): Add x_last_expr_alt_rtl.
(last_expr_alt_rtl): Likewise.
(expand_expr_stmt_value): Set last_expr_alt_rtl.
(clear_last_expr): Clear it.
(expand_end_stmt_expr): Set RTL_EXPR_ATL_RTL.
(expand_end_bindings): Save and restor last_expr_alt_rtl.
* tree.def (RTL_EXPR): Give it an additional operand.
* tree.h (RTL_EXPR_ALT_RTL): New macro.

2004-01-09  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

* config/m32r/m32r.h (TARGET_CPU_CPP_BUILTINS): Add __m32r__.
* config/m32r/m32r.c (call26_operand): Allow in PIC mode.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

PR target/13380.
* config/m32r/m32r.md: Replace (reg:SI 17) with (reg:CC 17)
or (ne:SI (reg:CC 17) (const_int 0)).
Be specific about modes wherever possible.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

* config/m32r/m32r.c (m32r_expand_block_move): Call
gen_movestrsi_internal with two more arguments.
(m32r_output_block_move): Adjust operand numbers.
Properly update the source and destination pointers.
* config/m32r/m32r.md (movstrsi_internal): Use 'r' instead of
'r+'.  Change the set detinations to match_operand.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

* final.c (FIRST_INSN_ADDRESS): Remove.
(shorten_branches): Don't use FIRST_INSN_ADDRESS.
* system.h (FIRST_INSN_ADDRESS): Poison.
* config/avr/avr.h: Remove a comment about FIRST_INSN_ADDRESS.
* config/m32r/m32r-protos.h: Remove the prototype for
m32r_first_insn_address.
* config/m32r/m32r.c (m32r_first_insn_address): Remove.
* config/m32r/m32r.h (FIRST_INSN_ADDRESS): Likewise.
* doc/md.texi (FIRST_INSN_ADDRESS): Likewise.

2004-01-09  J. Brobecker  <brobecker@gnat.com>

* dwarf2out.c (gen_enumeration_type_die): Return the DIE that
we just created.
(is_ada_subrange_type): DIEs for enumeration subtypes should be
emitted as subrange types too.
(subrange_type_die): Add handling of enumeration subtypes.

2004-01-08  Richard Henderson  <rth@redhat.com>

PR opt/12441
Revert: Sat Mar 30 14:08:55 CET 2002  Jan Hubicka  <jh@suse.cz>
* i386.c (aligned_operand): Be prepared for SUBREGed registers.
(ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
(ix86_address_cost): Be prepared for SUBREGed registers.
(legitimate_address_p): Accept SUBREGed registers.

2004-01-08  Kelley Cook  <kcook@gcc.gnu.org>

* Makefile.in: Rename configure.in to configure.ac
* doc/sourcebuild.texi: Likewise.
* configure: Regenerate.
* config.in: Regenerate.

2004-01-08  Stuart Hastings  <stuart@apple.com>

* config/i386/i386.md: Typos in MMX/SSE immediate shifts.

2004-01-08  Jan Hubicka  <jh@suse.cz>

* cgraphunit.c (cgraph_decide_inlining):  Fix typo.

2004-01-08  Geoffrey Keating  <geoffk@apple.com>

* config/rs6000/rs6000.md (cmptf_internal1): Correct branch offset.
(UNSPEC_FIX_TRUNC_TF): New constant.
(movtf_internal): Make splitter active only when insn is active.
(extenddftf2): Rewrite to properly load zero into low part.
(extenddftf2_internal): New.
(extendsftf2): Rewrite.
(truncdftf2): Correct length.
(floatditf2): Delete.
(fix_trunc_helper): New.
(fix_trunctfdi2): Use fix_trunc_helper.
(fix_trunctfsi2): Likewise.fix_trunc
(fix_trunctfsi2_internal): New.

* config/rs6000/rs6000.c (legitimate_lo_sum_address_p): lo_sum
addresses are legitimate on Darwin even when flag_pic.
(rs6000_legitimize_reload_address) [TARGET_MACHO]: Don't create
non-offsettable addresses for loads of TFmode constants.

2004-01-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

* config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Actually emit
variables in the appropriate bss section.

2004-01-09  Alan Modra  <amodra@bigpond.net.au>

* config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Ensure
target_flags has MASK_POWERPC64 when -m64.
* config/rs6000/rs6000.c (processor_target_table): Add MASK_POWERPC64
to 620, 630, power3, power4 and rs64a entries.
* config/rs6000/rs6000.h (MASK_64BIT): Expand comment.

2004-01-08  Richard Sandiford  <rsandifo@redhat.com>

* simplify-rtx.c (simplify_immed_subreg): Fix construction of
floating-point constants.

2004-01-08  J. Brobecker  <brobecker@gnat.com>

* dwarf2out.c (subrange_type_die): Add context_die parameter.
Create the subrange_type DIE using the given context DIE.
(modified_type_die): Update call to subrange_type_die.

2004-01-08  Zack Weinberg  <zack@codesourcery.com>

* dwarf2.h, unwind-dw2-fde.h, unwind-pe.h, unwind.h:
Add multiple-include guard.

2004-01-08  Hartmut Penner  <hpenner@de.ibm.com>

* gcc/config/rs6000/rs6000.c (easy_vector_constant): Accept
all vector constant loadable by vsplt*.
(output_vec_const_move): Likewise.

2004-01-07  Joseph S. Myers  <jsm@polyomino.org.uk>

PR c/6024
* c-typeck.c (comptypes): Only treat enumerated types in the same
translation unit as compatible with each other when they are the
same type.
* doc/extend.texi: Update.

2004-01-07  Joseph S. Myers  <jsm@polyomino.org.uk>

PR c/12165
* c-decl.c (grokdeclarator): Take type qualifiers of typedefed
array type from the array element type.

2004-01-07  Alan Modra  <amodra@bigpond.net.au>

* config/rs6000/rs6000.c (rs6000_dbx_register_number): New function.
* config/rs6000/rs6000-protos.h (rs6000_dbx_register_number): Declare.
* config/rs6000/rs6000.h (DWARF_FRAME_REGNUM): Define.
(DWARF_REG_TO_UNWIND_COLUMN): Correct column adjustment and comment.
* config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Define.

2004-01-06  Eric Christopher  <echristo@redhat.com>

* config/mips/mips.h (MDEBUG_ASM_SPEC): Change for dwarf2 default.
(DWARF2_DEBUGGING_INFO): Define.
(PREFERRED_DEBUGGING_TYPE): Set to dwarf2.
* config/mips/openbsd.h (PREFERRED_DEBUGGING_TYPE): Remove.
* config/mips/iris6.h (SUBTARGET_ASM_DEBUGGING_SPEC): Only pass -g0
for irix as.
(SUBTARGET_ASM_OPTIMIZING_SPEC): Only pass O0 for irix as.
* config/mips/iris6gas.h (MDEBUG_ASM_SPEC): Remove.
* config/mips/iris5gas.h: Ditto.
(DBX_DEBUGGING_INFO): Remove.
(DWARF2_DEBUGGING_INFO): Ditto.
(MIPS_DEBUGGING_INFO): Ditto.
(PREFERRED_DEBUGGING_TYPE): Ditto.
* config/mips/elf.h (DWARF2_DEBUGGING_INFO): Remove.
(PREFERRED_DEBUGGING_TYPE): Ditto.
(SUBTARGET_ASM_DEBUGGING_SPEC): Ditto.
* config/mips/elf64.h: Ditto.

2004-01-06  Jan Hubicka  <jh@suse.cz>

* Makefile.in (STAGEPROFILE_FLAGS_TO_PASS): Use -fprofile-generate.
(STAGEFEEDBACK_FLAGS_TO_PASS): Use -fprofile-use.

2004-01-06  Geoffrey Keating  <geoffk@apple.com>

* config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Compile darwin-ldouble.c.
(TARGET_LIBGCC2_CFLAGS): Use -mlong-double-128.
* config/rs6000/darwin-ldouble.c: New.

* emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
for constants.
(constant_subword): Delete.
* rtl.h (constant_subword): Delete prototype.
(immed_double_const): Is not in varasm.c.
* simplify-rtx.c (simplify_immed_subreg): New.
(simplify_subreg): Use simplify_immed_subreg.

* config/rs6000/rs6000.md (floatsitf2): Use expand_float rather
than trying to generate RTL directly.
(fix_trunctfsi2): Use expand_fix rather than trying to generate
RTL directly.

* dwarf2out.c (add_const_value_attribute): Remove incorrect comment.

2004-01-06  David Edelsohn  <edelsohn@gnu.org>

* config/rs6000/xcoff.h (EXTRA_SECTION_FUNCTIONS): Split each
function into a separate macro.
(read_only_data_section): Add void argument.
(private_data_section): Same.
(read_only_private_data_section): Same.
(toc_section): Same.

2004-01-06  Jan Hubicka  <jh@suse.cz>

* invoke.texi:  Remove typo in last change.

PR target/10301
* config.gcc: Accept opteron and athlon-64 as variants
of k8.
* i386.c (override_options): Likewise.
* invoke.texi (i386 -mtune): Expand documentation.

2004-01-06  Kazu Hirata  <kazu@cs.umass.edu>

* alias.c: Fix comment typos.
* builtins.c: Likewise.
* cfg.c: Likewise.
* df.c: Likewise.
* dominance.c: Likewise.
* dwarf2out.c: Likewise.
* emit-rtl.c: Likewise.
* expr.c: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* gcse.c: Likewise.
* genattrtab.c: Likewise.
* genrecog.c: Likewise.
* gensupport.c: Likewise.
* ggc-zone.c: Likewise.
* integrate.c: Likewise.
* local-alloc.c: Likewise.
* loop.c: Likewise.
* recog.c: Likewise.
* regmove.c: Likewise.
* reg-stack.c: Likewise.
* reorg.c: Likewise.
* rtlanal.c: Likewise.
* rtl.h: Likewise.
* sched-ebb.c: Likewise.
* simplify-rtx.c: Likewise.
* toplev.c: Likewise.
* varasm.c: Likewise.

2004-01-06  Kazu Hirata  <kazu@cs.umass.edu>

* doc/install.texi: Fix typos.
* doc/invoke.texi: Likewise.
* doc/md.texi: Likewise.

2004-01-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

* config/m32r/m32r.h (TRAMPOLINE_LINE_SIZE): Changed

2004-01-06  Jan Hubicka  <jh@suse.cz>

* i386.c (init_cumulative_args):  Add handling of MMX_REGPARM.
(function_arg_advance):  Do not pass aggregates in SSE; deal handling
of MMX_REGPARM.
(function_arg): Add new warnings about ABI changes;  fix SSE_REGPARM;
add MMX_REGPARM.
* i386.h (ix86_args): Add mmx_words/mmx_regs/mmx_regno fields.
(SSE_REGPARM_MAX): Default to 3 on i386 -msse ABI.
(MMX_REGPARM_MAX): Similarly for -mmmx.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

* config/sh/linux.h: Fix comment formatting.
* config/sh/netbsd-elf.h: Likewise.
* config/sh/sh.c: Likewise.
* config/sh/sh.h: Likewise.
* config/sh/vxworks.h: Likewise.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

* system.h (ASM_OUTPUT_MAIN_SOURCE_FILENAME): Poison.
* toplev.c (output_file_directive): Don't use
ASM_OUTPUT_MAIN_SOURCE_FILENAME.

2004-01-05  Daniel Berlin  <dberlin@dberlin.org>

* ggc-zone.c: Remove everything in #ifdef USING_MALLOC_PAGE_GROUPS
(USING_MMAP): We don't support non-mmap.
(struct alloc_chunk): Steal 1 bit from typecode, use it to mark
large objects.
(struct page_entry): Remove bytes_free.
(struct page_table_chain): Remove.
(struct globals): Remove page_table member.
(loookup_page_table_entry): Function deleted.
(set_page_table_entry): Ditto.
(ggc_allocated_p): No longer need page table lookups.
(ggc_marked_p): Ditto.
(alloc_small_page): Don't care about bytes_free anymore.
(alloc_large_page): Round up size.
(ggc_alloc_zone_1): Mark large objects as such, and calculate
their size the new way.
Remove page table lookups and setting.
(ggc_get_size): Calculate large object size the new way.
(sweep_pages): Redo to account for fact that we no longer have
bytes_free.
(ggc_collect): No longer need to reincrement bytes_free.
(ggc_pch_alloc_object): Handle new large objects properly.
(ggc_pch_read): Put PCH stuff into it's own uncollected zone.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

* doc/invoke.texi: Remove a page break.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

* config/avr/avr.c (avr_output_function_prologue): Remove an
extra pair of curly braces.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

* config/mn10300/mn10300.c: Fix comment formatting.
* config/mn10300/mn10300.h: Likewise.

2004-01-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

* tree.h: Update documentation on nothrow_flag.
* print-tree.c (print_node): Print TREE_NOTHROW as "align-ok" for
types.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

* doc/invoke.texi: Remove traces of dead ports.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

* doc/invoke.texi: Add documentation for the MIPS -mexplicit-relocs
option.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

PR target/12945
* coverage.c (coverage_counter_alloc): Set SYMBOL_FLAG_LOCAL for
counter labels.
* config/mips/mips.c (INTERNAL_SYMBOL_P): Delete.
(mips_classify_symbol): Always treat SYMBOL_REF_FLAG as indicating
string constants if TARGET_MIPS16.  Use SYMBOL_REF_DECL to check
the binding of decl symbols, otherwise check SYMBOL_REF_LOCAL_P.
(mips_symbol_insns): Don't trust the local/global classification.
(m16_usym8_4, m16_usym5_4): Same mips16 change as mips_classify_symbol.
(override_options): Make -mabicalls -fno-unit-at-a-time imply
-mno-explicit-relocs.
(mips_encode_section_info): Don't use SYMBOL_REF_FLAG to distinguish
between local and global symbols.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

* config/mips/mips-protos.h (mips_dangerous_for_la25_p): Declare.
(mips_preferred_reload_class): Declare.
* config/mips/mips.h (DANGEROUS_FOR_LA25_P): Replace with function.
(EXTRA_CONSTRAINT): Update accordingly.
(PREFERRED_RELOAD_CLASS): Use mips_preferred_reload_class.
* config/mips/mips.c (mips_dangerous_for_la25_p): New function.
(mips_preferred_reload_class): New function.  Prefer LEA_REGS if
mips_dangerous_for_la25_p.
(mips_secondary_reload_class): Use LEA_REGS rather than GR_REGS
if mips_dangerous_for_la25_p.

2004-01-05  Bernardo Innocenti  <bernie@develer.com>

* config/m68k/m68k.c (output_andsi3): Fix signed/unsigned comparison
warning.

2004-01-04  Nathanael Nerode  <neroden@gcc.gnu.org>

* configure.ac: Use AC_PROG_CPP_WERROR.
* configure: Regenerate.

2004-01-04  Zack Weinberg  <zack@codesourcery.com>

* .cvsignore: Add autom4te.cache.

2004-01-04  Richard Sandiford  <rsandifo@redhat.com>

* doc/invoke.texi: Revamp documentation of MIPS options.  Remove
-mabi=meabi, -mabi-fake-default, -mmips-as, -mgas, -mmips-tfile,
-m4650, -mfix7000 and -(m)no-crt0.  Put endianness options first,
then architecture options, then ABI options.  General rewording.

2004-01-04  Joseph S. Myers  <jsm@polyomino.org.uk>

PR c/3414
* doc/extend.texi: Clarify definition of malloc attribute.

2004-01-04  Jan Hubicka  <jh@suse.cz>

* Makefile.in (cgraph.o, cgraphunit.o): Add intl.h dependency.
* cgraph.c (create_edge, dump_cgraph): Update to use inline_failed
* cgraph.h (cgraph_edge): Replace inline_call by inline_failed
(cgraph_inline_p): Add extra argument reason.
* cgraphunit.c: Minor formating fixes.
cgraph_first_inlined_callee): New functions.
(record_call_1): Record builtins too.
(cgraph_analyze_function): Update inline_failed messages.
(cgraph_mark_functions_to_output, cgraph_expand_function, cgraph_inlined_into,
cgraph_inlined_callees, cgraph_estimate_growth): Update to use inline_failed.
(cgraph_check_inline_limits): Likewise; Add argument reason.
(cgraph_set_inline_failed): New static function.
(cgraph_decide_inlining_of_small_function, cgraph_decide_inlining): Set
reasons.
(cgraph_inline_p): Add new argument reason.
* tree-inline.c (expand_call_inline):  Update warning.

2004-01-03  Nathanael Nerode  <neroden@gcc.gnu.org>

* configure.ac: Replace AC_INIT, AC_OUTPUT, AC_CANONICAL_SYSTEM
with modern equivalents.
* configure: Regenerate.

* configure.ac: Replace gcc_AC_CHECK_TYPE with AC_CHECK_TYPE.
* aclocal.m4 (gcc_AC_CHECK_TYPE): Remove.
* configure: Regenerate.

* doc/install.texi: Note that 'gcc' is now a 2.57 directory.

* configure.in: Rename to configure.ac.
* configure.ac: Renamed from configure.in; make minimum necessary
changes for autoconf 2.5x.
* aclocal.m4: Make minimum necessary changes for autoconf 2.5x.
* configure: Regenerate with autoconf 2.57.

2004-01-03  Kazu Hirata  <kazu@cs.umass.edu>

* config/mips/linux.h: Fix comment formatting.
* config/mips/mips.c: Likewise.
* config/mips/mips.h: Likewise.
* config/mips/mips.md: Likewise.
* config/mips/netbsd.h: Likewise.
* config/mips/windiss.h: Likewise.

2004-01-02  Richard Henderson  <rth@redhat.com>

* config/i386/i386.md (fp constant pool splitter): Reorg suppression
for sse and 387; add suppression for mmx.

2004-01-02  Andrew Pinski  <pinskia@physics.uc.edu>

* loop.c (loop_optimize): Free all loops_info's mems.

* c-typeck.c (finish_init): Free spelling_base before
setting it again.

* cfgloop.c (flow_loops_find): Always free the sbitmap
headers.

* predict.c (estimate_probability): Free bbs after being
done with it.

2004-01-02  Kazu Hirata  <kazu@cs.umass.edu>

* config/mn10300/mn10300.h (PREDICATE_CODES): Add
const_8bit_operand and call_address_operand.

2004-01-02  Jan Hubicka  <jh@suse.cz>

* cgraphunit.c (cgraph_optimize_function):  Call optimize_inline_calls
when there is nothing to inline but warnings are requested.
(cgraph_decide_inlining):  Fix memory leak.

2004-01-02  Jan Hubicka  <jh@suse.cz>

* expr.c (store_constructor):  Fix pasto in previous patch.

2004-01-02  Kazu Hirata  <kazu@cs.umass.edu>

* config/i386/cygming.h: Fix comment formatting.
* config/i386/djgpp.h: Likewise.
* config/i386/gthr-win32.c: Likewise.
* config/i386/i386-interix.h: Likewise.
* config/i386/i386.c: Likewise.
* config/i386/i386.h: Likewise.
* config/i386/openbsd.h: Likewise.
* config/i386/winnt.c: Likewise.
* config/i386/xm-mingw32.h: Likewise.

2004-01-02  Joseph S. Myers  <jsm@polyomino.org.uk>

* doc/gcc.texi, doc/invoke.texi, doc/install.texi: Update
copyright and last modification dates.

2004-01-02  Andreas Jaeger  <aj@suse.de>, Gerald Pfeifer  <gp@suse.de>

* doc/install.texi (Specific): Mention x86_64.

2004-01-01  Hans-Peter Nilsson  <hp@bitrange.com>

* builtins.c (expand_builtin_apply_args_1) [STACK_GROWS_DOWNWARD]:
Call force_operand on plus_constant result.

2004-01-01  Jan Hubicka  <jh@suse.cz>

* expmed.c (store_bit_field, extract_bit_field): Use new named patterns
* expr.c (store_constructor): Use vec_init pattern.
* genopinit.c (optabs): Initailize vec_set/vec_extract/vec_init.
* optabs.h (optab_index): ADD OTI_vec_set/OTI_vec_extract/OTI_vec_init
(vec_set_optab, vec_extract_optab, vec_init_optab): New.
* i386.md (vec_setv2df, vec_extractv2df, vec_setv4sf, vec_extractv4sf):
New patterns.
(sse2_unpc?pd): Fix pattern.
(sse2_movlpd): Kill.
(sse2_movsd): Deal with movlpd too.
* i386.c (ix86_expand_builtin): Use sse2_movsd instead of sse2_movlpd.
(ix86_expand_vector_init): New.
* emmintrin.h (__mm_set_pd, __mm_set_ps): Use vector extensions.
* md.texi (vec_set, vec_extract): Document

2003-12-31  Jan Hubicka  <jh@suse.cz>

PR opt/13473
* recog.c (validate_replace_rtx_1):  Take care for RTL sharing inside
ASM input operands

PR opt/12617
* toplev.c (dump_file_index): Reorder ce3 and bbro.
(dump_file): Likewise.
(rest_of_compilation): Likewise.

PR debug/13367
* cgraph.c (cgraph_function_possibly_inlined):  Even with
flag_really_no_inline we inline always_inline functions.
* cgraphunit.c (cgraph_analyze_function): Clear inlinable flag
for non-always_inline functions when there is flag_really_no_inline.
(cgraph_decide_inlining): Limit work done when not inlining.
(cgraph_decide_inlining_incrementally): Likewise.
(cgraph_optimize_function): Check whether something got inlined.
* c-objc-common.c (c_disregard_inline_limits): Do not always inline
extern inline functions when not inlining.

* opts.c (decode_options):  Disable crossjumping at -O1
* invoke.texi (-O1): Document change.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@76701 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog
gcc/Makefile.in
gcc/bt-load.c
gcc/common.opt
gcc/doc/invoke.texi
gcc/flags.h
gcc/opts.c
gcc/toplev.c

index e4319c7..1e5bfa2 100644 (file)
@@ -1,3 +1,35 @@
+2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>
+
+       * Makefile.in (bt-load.o): Depend on except.h.
+       * bt-load.c (except.h): #include.
+       (compute_defs_uses_and_gen): If insn at end of BB can throw
+       within this function, consider registers used by it unavailable for
+       btr migration.
+       (move_btr_def): If insn at end of BB can throw, insert before rather
+       than after.
+
+       * flags.h (flag_btr_bb_exclusive): Declare.
+       * toplev.c (flag_btr_bb_exclusive): New variable.
+       (f_options): Add btr-bb-exclusive.
+       * bt-load.c (augment_live_range): Restore old behaviour if
+       flag_btr_bb_exclusive is set.
+       * common.opt: Add entry for -fbtr-bb-exclusive.
+       * opts.c (common_handle_options): Same.
+       * doc/invoke.texi: Document -fbtr-bb-exclusive.
+   
+       * bt-load.c (btrs_live_at_end): New variable.
+       (compute_defs_uses_and_gen): Compute its pointed-to array.
+       (clear_btr_from_live_range, add_btr_to_live_range): Update it.
+       (augment_live_range): When augmenting with a new dominator,
+       use only its btrs_live_at_end set, but also add in the full set
+       of the old dominator.
+       (btr_def_live_range): Use btrs_live_at_end.
+       (move_btr_def): Set other_btr_uses_before_def, and move new set
+       to the end of the basic block, if appropriate.
+       (migrate_btr_defs): Allocate and free btrs_live_at_end.
+   
+       * bt-load.c (basic_block_freq): Remove outdated comment.
+
 2004-01-27  Alan Modra  <amodra@bigpond.net.au>
 
        * config/rs6000/rs6000.h: Correct target_flags free bits comment.
index 6f7291b..98c07f2 100644 (file)
@@ -1760,7 +1760,7 @@ postreload.o : postreload.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H)
 caller-save.o : caller-save.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
    flags.h $(REGS_H) hard-reg-set.h insn-config.h $(BASIC_BLOCK_H) function.h \
    $(RECOG_H) reload.h $(EXPR_H) toplev.h $(TM_P_H)
-bt-load.o : bt-load.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
+bt-load.o : bt-load.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) except.h \
    $(BASIC_BLOCK_H) $(RTL_H) hard-reg-set.h $(REGS_H) $(OBSTACK_H) $(TM_P_H) \
    $(FIBHEAP_H) output.h $(TARGET_H) $(EXPR_H) flags.h $(INSN_ATTR_H)
 reorg.o : reorg.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) conditions.h \
index 2a68cd7..9b8f598 100644 (file)
@@ -1,5 +1,5 @@
 /* Perform branch target register load optimizations.
-   Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -36,6 +36,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "flags.h"
 #include "insn-attr.h"
 #include "function.h"
+#include "except.h"
 #include "tm_p.h"
 
 /* Target register optimizations - these are performed after reload.  */
@@ -159,6 +160,10 @@ static struct obstack migrate_btrl_obstack;
    live in that block.  */
 static HARD_REG_SET *btrs_live;
 
+/* Array indexed by basic block number, giving the set of registers live at
+  the end of that block, including any uses by a final jump insn, if any.  */
+static HARD_REG_SET *btrs_live_at_end;
+
 /* Set of all target registers that we are willing to allocate.  */
 static HARD_REG_SET all_btrs;
 
@@ -168,8 +173,7 @@ static int first_btr, last_btr;
 
 
 
-/* Return an estimate of the frequency of execution of block bb.
-   If we have a profiling count available, we could use it here.  */
+/* Return an estimate of the frequency of execution of block bb.  */
 static int
 basic_block_freq (basic_block bb)
 {
@@ -462,6 +466,7 @@ compute_defs_uses_and_gen (fibheap_t all_btr_defs, btr_def *def_array,
       btr_def defs_this_bb = NULL;
       rtx insn;
       rtx last;
+      int can_throw = 0;
 
       info.users_this_bb = NULL;
       info.bb_gen = bb_gen[i];
@@ -544,7 +549,7 @@ compute_defs_uses_and_gen (fibheap_t all_btr_defs, btr_def *def_array,
                                                  call_used_reg_set);
                              clobbered = &call_saved;
                            }
-                             
+
                      for (regno = first_btr; regno <= last_btr; regno++)
                        if (TEST_HARD_REG_BIT (*clobbered, regno))
                          note_btr_set (regno_reg_rtx[regno], NULL_RTX, &info);
@@ -555,6 +560,35 @@ compute_defs_uses_and_gen (fibheap_t all_btr_defs, btr_def *def_array,
 
       COPY_HARD_REG_SET (btrs_live[i], info.btrs_live_in_block);
       COPY_HARD_REG_SET (btrs_written[i], info.btrs_written_in_block);
+
+      REG_SET_TO_HARD_REG_SET (btrs_live_at_end[i], bb->global_live_at_end);
+      /* If this block ends in a jump insn, add any uses or even clobbers
+        of branch target registers that it might have.  */
+      for (insn = BB_END (bb); insn != BB_HEAD (bb) && ! INSN_P (insn); )
+       insn = PREV_INSN (insn);
+      /* ??? for the fall-through edge, it would make sense to insert the
+        btr set on the edge, but that would require to split the block
+        early on so that we can distinguish between dominance from the fall
+        through edge - which can use the call-clobbered registers - from
+        dominance by the throw edge.  */
+      if (can_throw_internal (insn))
+       {
+         HARD_REG_SET tmp;
+
+         COPY_HARD_REG_SET (tmp, call_used_reg_set);
+         AND_HARD_REG_SET (tmp, all_btrs);
+         IOR_HARD_REG_SET (btrs_live_at_end[i], tmp);
+         can_throw = 1;
+       }
+      if (can_throw || GET_CODE (insn) == JUMP_INSN)
+       {
+         int regno;
+
+         for (regno = first_btr; regno <= last_btr; regno++)
+           if (refers_to_regno_p (regno, regno+1, insn, NULL))
+             SET_HARD_REG_BIT (btrs_live_at_end[i], regno);
+       }
+
       if (rtl_dump_file)
        dump_btrs_live(i);
     }
@@ -797,6 +831,7 @@ clear_btr_from_live_range (btr_def def)
           || !block_at_edge_of_live_range_p (bb, def))
         {
           CLEAR_HARD_REG_BIT (btrs_live[bb], def->btr);
+          CLEAR_HARD_REG_BIT (btrs_live_at_end[bb], def->btr);
           if (rtl_dump_file)
             dump_btrs_live (bb);
         }
@@ -815,6 +850,7 @@ add_btr_to_live_range (btr_def def)
     (def->live_range, 0, bb,
      {
        SET_HARD_REG_BIT (btrs_live[bb], def->btr);
+       SET_HARD_REG_BIT (btrs_live_at_end[bb], def->btr);
        if (rtl_dump_file)
         dump_btrs_live (bb);
      });
@@ -845,11 +881,18 @@ augment_live_range (bitmap live_range, HARD_REG_SET *btrs_live_in_range,
       int new_block = new_bb->index;
 
       bitmap_set_bit (live_range, new_block);
-      IOR_HARD_REG_SET (*btrs_live_in_range, btrs_live[new_block]);
+      if (flag_btr_bb_exclusive)
+       IOR_HARD_REG_SET (*btrs_live_in_range, btrs_live[new_block]);
+      else
+       {
+         IOR_HARD_REG_SET (*btrs_live_in_range, btrs_live_at_end[new_block]);
+         IOR_HARD_REG_SET (*btrs_live_in_range, btrs_live[head_bb->index]);
+       }
       if (rtl_dump_file)
        {
          fprintf (rtl_dump_file,
-                  "Adding block %d to live range\n", new_block);
+                  "Adding end of block %d and rest of %d to live range\n",
+                  new_block, head_bb->index);
          fprintf (rtl_dump_file,"Now live btrs are ");
          dump_hard_reg_set (*btrs_live_in_range);
          fprintf (rtl_dump_file, "\n");
@@ -929,7 +972,11 @@ btr_def_live_range (btr_def def, HARD_REG_SET *btrs_live_in_range)
       def->live_range = BITMAP_XMALLOC ();
 
       bitmap_set_bit (def->live_range, def->bb->index);
-      COPY_HARD_REG_SET (*btrs_live_in_range, btrs_live[def->bb->index]);
+      if (flag_btr_bb_exclusive)
+       COPY_HARD_REG_SET (*btrs_live_in_range, btrs_live[def->bb->index]);
+      else
+       COPY_HARD_REG_SET (*btrs_live_in_range,
+                          btrs_live_at_end[def->bb->index]);
 
       for (user = def->uses; user != NULL; user = user->next)
        augment_live_range (def->live_range, btrs_live_in_range,
@@ -942,14 +989,23 @@ btr_def_live_range (btr_def def, HARD_REG_SET *btrs_live_in_range)
         of other PT instructions may have affected it.
       */
       int bb;
+      int def_bb = def->bb->index;
 
       CLEAR_HARD_REG_SET (*btrs_live_in_range);
-      EXECUTE_IF_SET_IN_BITMAP
-       (def->live_range, 0, bb,
-        {
-          IOR_HARD_REG_SET (*btrs_live_in_range,
-            btrs_live[bb]);
-        });
+      if (flag_btr_bb_exclusive)
+       EXECUTE_IF_SET_IN_BITMAP
+         (def->live_range, 0, bb,
+          {
+            IOR_HARD_REG_SET (*btrs_live_in_range, btrs_live[bb]);
+          });
+      else
+       EXECUTE_IF_SET_IN_BITMAP
+         (def->live_range, 0, bb,
+          {
+            IOR_HARD_REG_SET (*btrs_live_in_range,
+                              (def_bb == bb
+                               ? btrs_live_at_end : btrs_live) [bb]);
+          });
     }
   if (!def->other_btr_uses_before_def &&
       !def->other_btr_uses_after_use)
@@ -1073,7 +1129,8 @@ move_btr_def (basic_block new_def_bb, int btr, btr_def def, bitmap live_range,
   def->bb = new_def_bb;
   def->luid = 0;
   def->cost = basic_block_freq (new_def_bb);
-  def->other_btr_uses_before_def = 0;
+  def->other_btr_uses_before_def
+    = TEST_HARD_REG_BIT (btrs_live[b->index], btr) ? 1 : 0;
   bitmap_copy (def->live_range, live_range);
   combine_btr_defs (def, btrs_live_in_range);
   btr = def->btr;
@@ -1085,6 +1142,16 @@ move_btr_def (basic_block new_def_bb, int btr, btr_def def, bitmap live_range,
      its basic block.  */
   /* ?? some assertions to check that insp is sensible? */
 
+  if (def->other_btr_uses_before_def)
+    {
+      insp = BB_END (b);
+      for (insp = BB_END (b); ! INSN_P (insp); insp = PREV_INSN (insp))
+       if (insp == BB_HEAD (b))
+         abort ();
+      if (GET_CODE (insp) == JUMP_INSN || can_throw_internal (insp))
+       insp = PREV_INSN (insp);
+    }
+
   set = single_set (old_insn);
   src = SET_SRC (set);
   btr_mode = GET_MODE (SET_DEST (set));
@@ -1312,6 +1379,7 @@ migrate_btr_defs (enum reg_class btr_class, int allow_callee_save)
       }
 
   btrs_live = xcalloc (n_basic_blocks, sizeof (HARD_REG_SET));
+  btrs_live_at_end = xcalloc (n_basic_blocks, sizeof (HARD_REG_SET));
 
   build_btr_def_use_webs (all_btr_defs);
 
@@ -1338,6 +1406,7 @@ migrate_btr_defs (enum reg_class btr_class, int allow_callee_save)
     }
 
   free (btrs_live);
+  free (btrs_live_at_end);
   obstack_free (&migrate_btrl_obstack, NULL);
   fibheap_delete (all_btr_defs);
 }
index 302dfac..a384b04 100644 (file)
@@ -1,5 +1,5 @@
 ; Options for the language- and target-independent parts of the compiler.
-; Copyright (C) 2003 Free Software Foundation, Inc.
+; Copyright (C) 2003, 2004 Free Software Foundation, Inc.
 ;
 ; This file is part of GCC.
 ;
@@ -243,6 +243,10 @@ fbranch-target-load-optimize2
 Common
 Perform branch target load optimization after prologue / epilogue threading
 
+fbtr-bb-exclusive
+Common
+Restrict target load migration not to re-use registers in any basic block
+
 fcall-saved-
 Common Joined RejectNegative
 -fcall-saved-<register>        Mark <register> as being preserved across functions
index 8620e6f..c21bdf3 100644 (file)
@@ -264,7 +264,8 @@ in the following sections.
 @gccoptlist{-falign-functions=@var{n}  -falign-jumps=@var{n} @gol
 -falign-labels=@var{n}  -falign-loops=@var{n}  @gol
 -fbranch-probabilities -fprofile-values -fvpt -fbranch-target-load-optimize @gol
--fbranch-target-load-optimize2 -fcaller-saves  -fcprop-registers @gol
+-fbranch-target-load-optimize2 -fbtr-bb-exclusive @gol
+-fcaller-saves  -fcprop-registers @gol
 -fcse-follow-jumps  -fcse-skip-blocks  -fdata-sections @gol
 -fdelayed-branch  -fdelete-null-pointer-checks @gol
 -fexpensive-optimizations  -ffast-math  -ffloat-store @gol
@@ -4651,6 +4652,11 @@ a separate optimization pass.
 Perform branch target register load optimization after prologue / epilogue
 threading.
 
+@item -fbtr-bb-exclusive
+@opindex fbtr-bb-exclusive
+WHen performing branch target register load optimization, don't reuse
+branch target registers in within any basic block.
+
 @item --param @var{name}=@var{value}
 @opindex param
 In some places, GCC uses various constants to control the amount of
index f172ec3..370fb0a 100644 (file)
@@ -1,6 +1,6 @@
 /* Compilation switch flag definitions for GCC.
    Copyright (C) 1987, 1988, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002,
-   2003
+   2003, 2004
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -689,6 +689,10 @@ extern int flag_branch_target_load_optimize;
 
 extern int flag_branch_target_load_optimize2;
 
+/* For the bt-load pass, nonzero means don't re-use branch target registers 
+   in any basic block.  */
+extern int flag_btr_bb_exclusive;
+
 
 /* Nonzero means we should do dwarf2 duplicate elimination.  */
 
index e87acce..2f07d6d 100644 (file)
@@ -901,6 +901,10 @@ common_handle_option (size_t scode, const char *arg,
       flag_branch_target_load_optimize2 = value;
       break;
 
+    case OPT_fbtr_bb_exclusive:
+      flag_btr_bb_exclusive = value;
+      break;
+
     case OPT_fcall_used_:
       fix_register (arg, 0, 1);
       break;
index 4d16201..425f94e 100644 (file)
@@ -711,6 +711,11 @@ int flag_branch_target_load_optimize = 0;
 
 int flag_branch_target_load_optimize2 = 0;
 
+/* For the bt-load pass, nonzero means don't re-use branch target registers
+   in any basic block.  */
+
+int flag_btr_bb_exclusive;
+
 /* Nonzero means to rerun cse after loop optimization.  This increases
    compilation time about 20% and picks up a few more common expressions.  */
 
@@ -1064,6 +1069,7 @@ static const lang_independent_options f_options[] =
   {"gcse-las", &flag_gcse_las, 1 },
   {"branch-target-load-optimize", &flag_branch_target_load_optimize, 1 },
   {"branch-target-load-optimize2", &flag_branch_target_load_optimize2, 1 },
+  {"btr-bb-exclusive", &flag_btr_bb_exclusive, 1 },
   {"loop-optimize", &flag_loop_optimize, 1 },
   {"crossjumping", &flag_crossjumping, 1 },
   {"if-conversion", &flag_if_conversion, 1 },