From-SVN: r17288

/
        * configure.in: Finalize support for {alpha|powerpc}*-*-linux-gnulibc1

From-SVN: r17287

 
        * configure.in: Finalize support for {alpha|powerpc}*-*-linux-gnulibc1

From-SVN: r17286

From-SVN: r17285

From-SVN: r17284

        * crtstuff.c (__frame_dummy): New function for irix6.
        (__do_global_ctors): Call __frame_dummy for irix6.
        * iris6.h (LINK_SPEC): Hide __frame_dummy too.

Co-Authored-By: Jeffrey A Law <law@cygnus.com>

From-SVN: r17281

From-SVN: r17280

From-SVN: r17279

* c-decl.c (init_decl_processing): Provide proper fallback symbol
for __builtin_memset.
* expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
not INTEGER_CST.  Assert arg 3 is a constant.
* alpha.c (mode_width_operand): Accept 64-bit modes.
(mode_mask_operand): Likewise.
(print_operand): Likewise for 'M' and 'U' codes.
(alpha_expand_unaligned_load): New function.
(alpha_expand_unaligned_store): Likewise.
(alpha_expand_unaligned_load_words): Likewise.
(alpha_expand_unaligned_store_words): Likewise.
(alpha_expand_block_move): Likewise.
(alpha_expand_block_clear): Likewise.
* alpha.h (MOVE_RATIO): New define.
* alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
(insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
* alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
(CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.

From-SVN: r17278

* configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
* configure: Update.

From-SVN: r17277

emit-rtl.c (operand_subword): Correctly handle extracting a word from a CONST_DOUBLE for 16bit targets with...

	* emit-rtl.c (operand_subword): Correctly handle extracting a word
	from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.

From-SVN: r17276

From-SVN: r17275

        * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
        for first argument.

From-SVN: r17274

	* configure.in: Set and subsitute host_exeext.  Use it when creating
	the assembler and linker symlinks.
	* configure: Rebuild.
	* Makefile.in (exeext): Set to @host_exeext@.
	(build_exeext): New variable, set to @build_exeext@.
	(FLAGS_TO_PASS): Pass down build_exeext.
	(STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
 	programs.

From-SVN: r17267

From-SVN: r17266

* sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
save+restore.  Fix pic+big_offset delay slot.  Use "pic" case for
unix always, since we want to be able to thunk to functions in a
shared library from an application.

From-SVN: r17262

        * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
        (LIB1ASMSRC, LIB1ASMFUNCS): Define.
More mips16 merge stuff.

From-SVN: r17261

d
        * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
        offset's mode is not ptr_mode, convert it.

From-SVN: r17260

a
        * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
        offset's mode is not ptr_mode, convert it.

From-SVN: r17259

From-SVN: r17258

        * config.shared (TOLIBGCXX) [DOING_GPERF]: Delete.
        (LIBS) [DOING_GPERF]: Make it just `-L../libstdc++ -lstdc++'.
Bring over from devo.

From-SVN: r17249

 
        * flow.c (find_basic_blocks): Don't create a new basic block
        for calls in a LIBCALL block.

From-SVN: r17247

From-SVN: r17246

From-SVN: r17245

        * configure.in: Move default enabling of Haifa out of for loop.
        * configure: Rebuild.

From-SVN: r17244

From-SVN: r17237

From-SVN: r17236

	* Makefile.in (GTHREAD_FLAGS): New var.
	(LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
	(distclean): Remove gthr-default.h.
	* configure.in: Accept dce as a thread package.
	Check for thread.h and pthread.h.
	Link gthr-default.h to appropriate thread file and set
	gthread_flags.
	(hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
	include multilib definitions from pa/t-dce-thr.
	(sparc-*-solaris2*): Enable threads by default, if thread.h or
	pthread.h is found, preferring posix threads over solaris ones.
	* config/pa/t-dce-thr: New file.
	* config/pa/t-pa: Removed multilibs.
	* config/sparc/t-sol2: Ditto.
	* gthr.h: New file.
	* gthr-single.h: New file.
	* gthr-posix.h: New file.
	* gthr-solaris.h: New file.
	* gthr-dce.h: New file.
	* libgcc-thr.h: Removed.
	* objc/thr-dce.c: New file copied from thr-decosf1.c.
	* frame.c: Include gthr.h instead of libgcc-thr.h.
	* libgcc2.c: Include gthr.h instead of libgcc-thr.h.
	(eh_context_initialize): If __gthread_once fails, use static eh
	context.
	(eh_context_free): Call __gthread_key_dtor.

From-SVN: r17235

        * lib/libstdc++.exp (test_libstdc++): Set LD_LIBRARY_PATH
        and SHLIB_PATH appropriately.

From-SVN: r17234

        * cse.c (max_insn_uid): New variable.
        (invalidate): Remove CYGNUS LOCAL patch.
        (cse_around_loop): Use max_insn_uid.
        (cse_main): Set max_insn_uid.

From-SVN: r17231

From-SVN: r17230

abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT, and define __LONG_MAX__ appropriately.

        * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
        and define __LONG_MAX__ appropriately.  Add support for -mabi=X,
        -mlong64, and -mgp{32,64} options.
        * mips.c (mips_abi): Change type to int.
        * mips.h (enum mips_abi_type): Delete.
        (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
        (mips_abi): Change type to int.

From-SVN: r17229

 
        * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
        optimization is now always enabled.
        * calls.c (expand_call): Recognize C++ operator new as malloc-like
        function.
        * alias.c (memrefs_conflict_p): Eliminate tests now done by
        base_alias_check.
        (*_dependence): Call canon_rtx before base_alias_check.
        (init_alias_once): New function to precompute set of registers which
        can hold Pmode function arguments.
        * rtl.h: Declare init_alias_once.
        * toplev.c (compile_file): Call init_alias_once.

From-SVN: r17227

        * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
        optimization is now always enabled.
        * calls.c (expand_call): Recognize C++ operator new as malloc-like
        function.
        * alias.c (memrefs_conflict_p): Eliminate tests now done by
        base_alias_check.
        (*_dependence): Call canon_rtx before base_alias_check.
        (init_alias_once): New function to precompute set of registers which
        can hold Pmode function arguments.
        * rtl.h: Declare init_alias_once.
        * toplev.c (compile_file): Call init_alias_once.

From-SVN: r17226

        * tree.c (restore_tree_status): Do not dereference a null pointer.
Brought over from devo.  SHould fix 921215-1.c compilation failures.

From-SVN: r17225

        * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
        RLIMIT_STACK.  This maintains consistency with the recent, similar
        patch to cccp.c and toplev.c.

From-SVN: r17218

From-SVN: r17217

genattrtab.c (expand_units): For large nr opclasses, expand function_units_used with ORX to prevent blowups.

* genattrtab.c (expand_units): For large nr opclasses, expand
function_units_used with ORX to prevent blowups.  Tag with FFS.
(num_unit_opclasses): New variable.
(gen_unit): Update it.
(enum operator): Add ORX_OP.
(operate_exp): Treat ORX as or, except don't expand across an if.
Reuse number rtx's after operating on them.
(check_attr_value): Accept IOR, AND, & FFS.
(write_test_expr): Transmute `in_comparison' to `flags'.  Allow
for attribute value caching.  Handle CONST_STRING, IF_THEN_ELSE.
(write_expr_attr_cache, write_toplevel_expr): New functions.
(write_attr_get): Handle FFS-tagged expressions.
(make_canonical): Don't expand const attributes.
(convert_const_symbol_ref): Dike out.
(evaluate_eq_attr): Handle SYMBOL_REF.
(main): Don't emit get_attr_foo for const attributes.
* alpha.c (override_options): Reinstate PROCESSOR_EV6.
(alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
* alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
* alpha.md: Redo all of the scheduling, adding EV6 support, and
combining function units where possible.
(attr "type"): Split loads, stores, cmov into int/fp.  Combine
multiplies and divides.  Add EV6 sqrt, ftoi, itof.
(attr "opsize"): New attribute.
(sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
(movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
to control register allocation.
(movsi2-1, movdi2-1): Likewise.

From-SVN: r17212

* alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
Move OSF/1 specific defines out.
* alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
Move Linux specific defines out.
(LINK_SPEC): Genericize.
(ASM_FILE_START): Emit .arch if using more than the base insn set.
(ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
(SDB_DEBUGGING_INFO): Remove; gas can't handle it.
(HANDLE_SYSV_PRAGMA): Define.
* alpha/osf.h: New file.
* alpha/linux.h: Split.  Retain file-format independant defines.
Import Linux bits from elf.h.
(CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
(FUNCTION_PROFILER): _mcount takes its address in $28.
(MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
* alpha/linux-ecoff.h: New file.
* alpha/linux-elf.h: New file.
* alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
* alpha/win-nt.h (TARGET_DEFAULT): Define.
* configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
Add new headers as appropriate.
* configure.in (alpha*): Enable Haifa by default.
(*-*-winnt3*): Change to winnt*, since we're not v3 specific.
* configure: Rebuild.

From-SVN: r17211

* Makefile.in (clean): Remove the stages with their objects here ...
(distclean): ... instead of here.

From-SVN: r17210