From-SVN: r22003

  CVS: ----------------------------------------------------------------------

From-SVN: r22002

From-SVN: r22001

loop.c (check_dbra_loop): Add some code that would allow reversal of some loops without a known constant...

	* loop.c (check_dbra_loop): Add some code that would allow reversal
	of some loops without a known constant loop end if it were enabled.

From-SVN: r22000

	* execute/loop-4b.c: New test.

From-SVN: r21999

From-SVN: r21998

        * system.h: Include stdarg.h/varargs.h, make sure they are ordered
        correctly with regards to stdio.h.
        * calls.c: Remove stdarg.h/varargs.h.
        * cccp.c: Likewise.
        * cexp.y: Likewise.
        * combine.c: Likewise.
        * cpperror.c: Likewise.
        * cpplib.c: Likewise.
        * cpplib.h: Likewise.
        * doprint.c: Likewise.
        * emit-rtl.c: Likewise.
        * final.c: Likewise.
        * fix-header.c: Likewise.
        * gcc.c: Likewise.
        * genattr.c: Likewise.
        * genattrtab.c: Likewise.
        * gencodes.c: Likewise.
        * genconfig.c: Likewise.
        * genemit.c: Likewise.
        * genextract.c: Likewise.
        * genflags.c: Likewise.
        * genopinit.c: Likewise.
        * genoutput.c: Likewise.
        * genpeep.c: Likewise.
        * genrecog.c: Likewise.
        * mips-tfile.c: Likewise.
        * prefix.c: Likewise.
        * protoize.c: Likewise.
        * regmove.c: Likewise.
        * toplev.c: Likewise.
        * tree.c: Likewise.
        * cp/errfn.c: Remove stdarg.h/varargs.h.
        * cp/tree.c: Likewise.

From-SVN: r21997

	* config/sparc/sparc.c (sparc_override_options): If not
	TARGET_FPU, turn off TARGET_VIS.
	* config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
	(LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
	* config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
	(movdi_insn_sp64): Add VIS fzero alternative.
	(clear_sf, clear_df): New VIS patterns.
	(movsf, movdf expanders): Allow fp_zero_operand flat out when
	TARGET_VIS.
	(one_cmpldi2_sp64): Provide new fnot1 VIS alternative.

From-SVN: r21996

From-SVN: r21995

From-SVN: r21993

 
	* g77.texi: Increment `version-g77' and fix a few typos.

From-SVN: r21992

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	* g77.texi: Increment `version-g77' and fix a few typos.

From-SVN: r21991

From-SVN: r21990

From-SVN: r21987

	* loop.c (n_times_set, n_times_used, may_not_optimize,
	reg_single_usage): Convert to varrays.  All uses changed.
	(insert_loop_mem): Return a value.
	(scan_loop): Tweak AVOID_CC_MODE_COPIES code.
	(load_mems_and_recount_loop_regs_set): Likewise.  Grow the arrays, if
	necessary.

From-SVN: r21986

        * From Alexandre:
        * configure.in: Do not set thread_file to "irix" since no such
        support exists yet.

From-SVN: r21985

8
        * sparc.md (float abs/neg splits): Check reload_completed before
        calling alter_subreg.

From-SVN: r21983

 
        * sparc.md (float abs/neg splits): Check reload_completed before
        calling alter_subreg.

From-SVN: r21982

	* config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
	function.
	* config/sparc/sparc.h: Declare it.
	* config/sparc/sparc.md (float abs/neg splits): Use it.
	(all other splits): Handle SUBREGs properly where necessary.
	(unnamed (1<<x)-1 V8PLUS pattern): Disable for now.

From-SVN: r21981

pt.c (tsubst_copy): Only do typename overloading on an IDENTIFIER_NODE that happens to look like a...

	* pt.c (tsubst_copy): Only do typename overloading on an
	IDENTIFIER_NODE that happens to look like a typename if it actually
	has a type for us to use.
avoid problems w/ SGI STL headers that have variables like __opr or __op1

From-SVN: r21978

reorg.c (fill_simple_delay_slots): Do not abort if we encounter an insn on the unfilled_slots_list that has no...

        * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
        an insn on the unfilled_slots_list that has no delay slots.
        (fill_eager_delay_slots): Similarly.

From-SVN: r21977

From-SVN: r21975

	* typeck.c (comp_cv_target_types): Split out...
	(comp_target_types): From here.  Don't allow cv-qual changes under
	a pointer if nptrs == 0.  Fix OFFSET_TYPE handling.
	(build_ptrmemfunc): Pass 1 to nptrs.
	* cvt.c (perform_qualification_conversions): Use comp_ptr_ttypes.

From-SVN: r21974

From-SVN: r21973

From-SVN: r21972

search.c (dependent_base_p): Don't compare a binfo to current_class_type; use the TREE_TYPE of the binfo instead.

	* search.c (dependent_base_p): Don't compare a binfo to
	current_class_type; use the TREE_TYPE of the binfo instead.

From-SVN: r21971

	* tree.c (valid_machine_attribute): Don't apply attributes to both
	decl and type.

From-SVN: r21970

From-SVN: r21969

        * reload.c (operands_match_p): Handle rtvecs.
        * i386.c (legitimate_pic_address_disp_p): New.
        (legitimate_address_p): Use it.
        (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
        Handle constant pool symbols just like statics.
        (emit_pic_move): Use Pmode not SImode for clarity.
        (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
        [UNSPEC]: New, handling what we killed above.
        [PLUS]: Detect and abort on invalid symbol arithmetic.
        * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.

From-SVN: r21968

	* alias.c: Include output.h.
	(DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
	different if we're in a varargs function.
	* Makefile.in (alias.o): Depend on output.h

From-SVN: r21967

From-SVN: r21966

From-SVN: r21965

PR gcc/16300
Tue Aug 25 13:19:46 1998  Dave Brolley  <brolley@cygnus.com>
	* regclass.c (regclass): Use xmalloc/free instead of alloca.
	* stupid.c (stupid_life_analysis): Ditto.
	* reload1.c (reload): Ditto.

From-SVN: r21964

	* config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
	arith_double_4096_operand, arith_double_add_operand): New
	predicates.
	* config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
	* config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
	them to transform add/sub 4096 into add/sub -4096.

From-SVN: r21961

From-SVN: r21960

decl.c (duplicate_decls): Don't complain about different exceptions from an internal decl even if pedantic.

	* decl.c (duplicate_decls): Don't complain about different
	exceptions from an internal decl even if pedantic.

From-SVN: r21959

	* typeck.c (convert_for_assignment): Converting from pm of vbase
	to derived is an error, not a sorry.
	* call.c (build_over_call): Use convert_pointer_to_real for 'this'.
	* class.c (fixed_type_or_null): Rename from
	resolves_to_fixed_type_p.  Return the dynamic type of the
	expression, if fixed, or null.
	(resolves_to_fixed_type_p): Use it.  Return 0 if the dynamic type
	does not match the static type.
	(build_vbase_path): Rename 'alias_this' to 'nonnull'.  Use
	resolves_to_fixed_type_p again.

From-SVN: r21958

From-SVN: r21956

	* loop.c (scan_loop): Allocate some slop to handle pseudos
	generated by move_movables.
	(load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
	here too.

From-SVN: r21955

From-SVN: r21954