From-SVN: r17313

* Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
* emit-rtl.c (gen_rtx): Move special code to ...
(gen_rtx_CONST_INT): New function.
(gen_rtx_REG): New function.
(*): Update all calls to gen_rtx.
* genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
* rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
(GEN_INT): Call gen_rtx_CONST_INT.
* gengenrtl.c: New file.

From-SVN: r17312

	* exception.cc (__eh_alloc, __eh_free): New fns.
	(__cp_push_exception, __cp_pop_exception): Use them.
	(__uncatch_exception): Call terminate here if no exception.
	* except.c (build_terminate_handler): New fn.
	(expand_start_catch_block): Use it.
	(expand_exception_blocks): Likewise.
	(alloc_eh_object): New fn.
	(expand_throw): Use it.  Protect exception init with terminate.
	* typeck.c (build_modify_expr): Remove code that ignores trivial
	methods.

From-SVN: r17309

bastring.cc (basic_string::Rep::operator delete): Don't claim to return from deallocate, since this is a void method.

	* std/bastring.cc (basic_string::Rep::operator delete): Don't claim
	to return from deallocate, since this is a void method.

From-SVN: r17297

        * alias.c (*_dependence): Call base_alias_check before canon_rtx.
        (base_alias_check): If no base found for address call canon_rtx and
        try again.

From-SVN: r17296

From-SVN: r17295

        * mips.c (mips_expand_prologue): Handle large frame with no outgoing
        arguments for mips16.
        (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
        Don't lose if tsize is zero after handling large stack for mips16.
        * mips.md (return): For trivial return, return address is in $31.

From-SVN: r17294

        *  mips/mips16.S: Various changes to make it work with -msingle-float
        and -EL.

From-SVN: r17293

        * mips.c, mips.h, mips.md: First cut at merging in mips16
        support.  Major modifications throughout all three files.
Note mips16 doesn't work yet (no epilogue support), but I'll be working
on that shortly :-)

Co-Authored-By: Ian Lance Taylor <ian@cygnus.com>
Co-Authored-By: Jeffrey A Law <law@cygnus.com>

From-SVN: r17292

        * config.sub: Add mingw32 support.
        * configure.in: Likewise.
        * config/mh-mingw32: New file.

From-SVN: r17291

        * configure.in: Make gthr-default.h a forwarding header instead of
        a symlink.

From-SVN: r17290

From-SVN: r17289

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