* builtins.c (expand_builtin_copysign): New.
        (expand_builtin): Call it.
        * genopinit.c (optabs): Add copysign_optab.
        * optabs.c (init_optabs): Initialize it.
        (expand_copysign): New.
        * optabs.h (OTI_copysign, copysign_optab): New.
        (expand_copysign): Declare.

        * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
        (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.

        * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
        (ix86_expand_fp_absneg_operator): ... here.
        (ix86_split_copysign): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.md (UNSPEC_COPYSIGN): New.
        (copysignsf3, copysigndf3): New.

        * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
        (copysignsf3, ncopysignsf3): New.
        (copysigndf3, ncopysigndf3): New.
        (copysignxf3, ncopysignxf3): New.
        * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.

From-SVN: r94357

From-SVN: r94356

From-SVN: r94354

	* cse.c: (find_best_addr): Don't call copy_rtx before calling
	fold_rtx.  Save cost recomputation if fold_rtx did nothing.
	(fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
	NULL_RTX.

Co-Authored-By: Kazu Hirata <kazu@cs.umass.edu>

From-SVN: r94345

tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register definitions of SSA_NAMEs which are not being rewritten.

        * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
        definitions of SSA_NAMEs which are not being rewritten.
        (rewrite_ssa_into_ssa): Only initialize the current definition
        of an SSA_NAME if that SSA_NAME has been marked for rewriting.
        If checking is enabled, assert that SSA_NAME_AUX is clear for all
        SSA_NAMEs before returning.

From-SVN: r94343

From-SVN: r94340

2005-01-27  Laurent GUERBY <laurent@guerby.net>

	* Makefile.in: Fix a-intnam.ads from previous commit,
	add 2005 to copyright.
	* a-intman-rtems.ads: Renamed to...
	* a-intnam-rtems.ads:

From-SVN: r94335

From-SVN: r94332

	* gcc.dg/mips-nmadd-1.c, gcc.dg/mips-nmadd-2.c, gcc.dg/mips-rsqrt-1.c,
	* gcc.dg/mips-rsqrt-2, gcc.dg/mips-rsqrt-3.c: Add dummy asm statements
	to cope with cases where the multilib options override the dg-options.

From-SVN: r94331

fix relative path, move new testcase to testsuite ChangeLog.

From-SVN: r94329

	* c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
	cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
	tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
	config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
	config/mips/iris6.h, config/sh/sh.c: Update copyright.

From-SVN: r94328

re PR middle-end/17278 (8% C++ compile-time regression in comparison with 3.4.1 at -O1 optimization level)

	PR middle-end/17278
	* opts.c (decode_options): Move flag_thread_jumps from -O1 and
	higher to -O2 and higher.  Likewise for tree PRE.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
	and better.

From-SVN: r94325

re PR middle-end/19583 (Incorrect diagnostic: control may reach end of non-void function '...' being inlined)

	PR middle-end/19583
	* gimple-low.c (try_catch_may_fallthru): New static function.
	(block_may_fallthru): Handle TRY_CATCH_EXPR.
	* tree-inline.c (expand_call_inline): Don't warn about reaching
	the end of a non-void function being inlined if the function uses
	a return slot.

From-SVN: r94323

From-SVN: r94321

	PR c/18946
	* c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
	(pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
	(implicitly_declare): Handle error_mark_node.

	* gcc.dg/noncompile/20050120-1.c: New test.

From-SVN: r94320

2005-01-27  Laurent GUERBY <laurent@guerby.net>

	* Makefile.in: Rename GNAT RTEMS specific files.
	* 5rtpopsp.adb, 4rintnam.ads, 5rosinte.adb,
 	5rosinte.ads, 5rparame.adb: Replaced by files below.
	* s-tpopsp-rtems.adb, a-intman-rtems.ads, s-osinte-rtems.adb,
	s-osinte-rtems.ads, s-parame-rtems.adb: Replace files above.

From-SVN: r94319

2005-01-27  Joel Sherrill <joel.sherrill@oarcorp.com>
	    Laurent GUERBY <laurent@guerby.net>

	PR ada/19488
	* 5rosinte.ads: Add No_Key constant.
        * 5rtpopsp.adb: Initialize ATCB_Key with No_Key and fix style.
        * gsocket.h: Do not include <sys/socket.h> with RTEMS either.

Co-Authored-By: Laurent GUERBY <laurent@guerby.net>

From-SVN: r94318

        PR tree-opt/14329
        * tree.h (struct tree_decl): Add debug_expr_is_from.
        (DECL_DEBUG_EXPR_IS_FROM): New.
        (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
        * dwarf2out.c (dwarf2out_var_location): Update to match.
        * tree-outof-ssa.c (create_temp): Likewise.
        * var-tracking.c (track_expr_p): Likewise.
        * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
        * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
        * toplev.c (default_tree_printer): Likewise.

From-SVN: r94317

* config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.

From-SVN: r94316

	* tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
	CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
	ASM_CLOBBERS): Add tree checks.

	* c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
	(SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
	* c-common.def (SWITCH_STMT): Update to match.
	* c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
	macros instead of SWITCH_EXPR ones.
	* c-dump.c (c_dump_tree): Likewise.
	* c-gimplify.c (gimplify_switch_stmt): Likewise.
	* c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.

cp/
	* decl.c (finish_case_label): Use SWITCH_STMT accessor macros
	instead of SWITCH_EXPR ones.
	* pt.c (tsubst_expr): Likewise.
	* semantics.c (begin_switch_stmt, finish_switch_cond,
	finish_switch_stmt): Likewise.

doc/
	* c-tree.texi (SWITCH_STMT): Update accessor macro names.

From-SVN: r94315

	* unwind-dw2.c (execute_stack_op): Add missing cases for
	DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.

From-SVN: r94314

	* config.gcc (Obsolete configurations): Remove 'dummy', add
	sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
	sparc-*-openbsd*.

From-SVN: r94313

	PR tree-optimization/19633
	* tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
	CALL_EXPRs.
	(maybe_create_global_var): Do not create .GLOBAL_VAR if there
	are no call-clobbered variables.
	* tree-outof-ssa.c (check_replaceable): Return false for calls
	with side-effects.

testsuite/ChangeLog

	PR tree-optimization/19633
	* gcc.dg/pr19633.c: New test.
	* gcc.dg/tree-ssa/pr19633.c: New test.

From-SVN: r94311

dbxout.c (dbxout_symbol_location): Resolve constant pool references even for variables with NULL DECL_INITIAL.

ChangeLog:
	* dbxout.c (dbxout_symbol_location): Resolve constant pool references
	even for variables with NULL DECL_INITIAL.

testsuite/ChangeLog:
	* gcc.dg/20041216-1.c: New test.

From-SVN: r94303

2005-01-26  Stuart Hastings  <stuart@apple.com>

	* gcc/gimplify.c (shortcut_cond_expr): Re-compute side-effects.
	* gcc/testsuite/gcc.c-torture/execute/20050125-1.c: New.

From-SVN: r94300

	* trans-decl.c (gfc_build_label_decl): Set DECL_ARTIFICAL and
	TREE_USED for all labels.
	(gfc_trans_entry_master_switch): Use it instead of building a
	label by hand.
	* trans-io.c (add_case): Likewise.
	* trans-stmt.c (gfc_trans_integer_select): Likewise.

From-SVN: r94299

From-SVN: r94297

        PR middle-end/18008
        * c-decl.c (finish_struct): Set DECL_MODE after resetting a
        field's type.
        * expr.c (store_field): Strip conversions to odd-bit-sized types
        if the destination field width matches.

From-SVN: r94294

From-SVN: r94291

        PR middle-end/18008
        * c-decl.c (finish_struct): Set DECL_MODE after resetting a
        field's type.
        * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
        if we don't need the bits above those present in the current mode.
        * expr.c (store_field): Strip conversions to odd-bit-sized types
        if the destination field width matches.

From-SVN: r94290

iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if either -ffast-math or -funsafe-math-optimizations...

	* config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
	either -ffast-math or -funsafe-math-optimizations is in use.

From-SVN: r94289

	PR target/19293
	PR target/19329
	* config/avr/avr.c (notice_update_cc): Only set condition code for
	ashrqi3 if shift count > 0.
	(out_shift_with_cnt): Handle shift count <= 0 as a no-op.
	(ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
	ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
	count <= 0 as a no-op, and shift count >= width by copying zero
	or sign bit to all bits of the result.
	* config/avr/avr.md (all shifts): Add alternatives for zero shift
	count, with attribute "length" set to 0 and "cc" set to "none".

From-SVN: r94288

2005-01-26  Laurent GUERBY <laurent@guerby.net>

	PR ada/19414
	* i-cobol.adb (Valid_Numeric): Handle zero length case.

From-SVN: r94287

2005-01-26  Alexander Malmberg  <alexander@malmberg.org>

        PR objc/18862
        * objc.dg/selector-2.m: New test.

From-SVN: r94286

2005-01-26  Alexander Malmberg  <alexander@malmberg.org>

        PR objc/18862
        * objc-act.c (build_selector_translation_table): Use
        input_location in the diagnostic for the GNU runtime or if
        TREE_PURPOSE (chain) is NULL.

From-SVN: r94285

	* doc/invoke.texi: Document -mTLS.

	* testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
	* testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
	* testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
	* testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
	* testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
	* testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
	* testsuite/gcc.target/frv/all-tls-local-exec.c: New.
	* testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.

	* configure.ac: Check for a TLS capable gas.

	* configure: Regenerate.

From-SVN: r94283

        PR middle-end/18008
        * combine.c (make_field_assignment): Simplify store to zero_extract
        from a source with an overlapping mask.

From-SVN: r94282

From-SVN: r94275

	PR c++/18370
	* parse.c (cp_parser_initializer_clause): Initialize *non_constant_p.

From-SVN: r94274

        * config/frv/frv.md: Add fr400_integer automaton. Don't
        allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
        to TYPE_MACC.

From-SVN: r94272