Commit Graph

306 Commits

Author SHA1 Message Date
Kazu Hirata
6d2f888735 calls.c: Fix formatting.
* calls.c: Fix formatting.
	* c-decl.c: Likewise.
	* cfgcleanup.c: Likewise.
	* combine.c: Likewise.
	* cppfiles.c: Likewise.
	* cpplib.c: Likewise.
	* cppmacro.c: Likewise.
	* crtstuff.c: Likewise.
	* cse.c: Likewise.
	* dwarf2out.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* gcse.c: Likewise.
	* genattrtab.c: Likewise.
	* ggc-page.c: Likewise.
	* integrate.c: Likewise.
	* libgcc2.c: Likewise.
	* loop.c: Likewise.
	* optabs.c: Likewise.
	* profile.c: Likewise.
	* protoize.c: Likewise.
	* real.c: Likewise.
	* recog.c: Likewise.
	* reload1.c: Likewise.
	* reload.c: Likewise.
	* reorg.c: Likewise.
	* resource.c: Likewise.
	* sched-rgn.c: Likewise.
	* sdbout.c: Likewise.
	* stmt.c: Likewise.
	* toplev.c: Likewise.
	* varasm.c: Likewise.

From-SVN: r46145
2001-10-10 11:33:39 +00:00
Lars Brinkhoff
1322177dbd Makefile.in, [...]: replace "GNU CC" with "GCC".
* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
	bitmap.h, builtin-types.def, builtins.c, builtins.def,
	c-aux-info.c, c-common.c, c-common.def, c-common.h,
	c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
	c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
	c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
	caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
	conditions.h, config.gcc, configure.frag, configure.in,
	conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
	cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
	dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
	doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
	dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
	emit-rtl.c, errors.c, errors.h, except.c, except.h,
	exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
	fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
	function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
	gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
	gencheck.c, gencodes.c, genconfig.c, genemit.c,
	genextract.c, genflags.c, gengenrtl.c, genmultilib,
	genopinit.c, genoutput.c, genpeep.c, genrecog.c,
	gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
	ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
	graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
	gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
	gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
	hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
	integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
	libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
	machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
	mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
	mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
	params.h, predict.c, predict.def, predict.h, prefix.c,
	prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
	read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
	regclass.c, regmove.c, regrename.c, regs.h, reload.c,
	reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
	rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
	sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
	sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
	ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
	stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
	tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
	tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
	unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
	unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
	xcoffout.h: replace "GNU CC" with "GCC".

From-SVN: r45105
2001-08-22 14:35:51 +00:00
Graham Stott
540ceb67e0 * libgcc2.c (*): Replace EH_FRAME_SECTION with EH_FRAME_SECTION_NAME.
From-SVN: r44891
2001-08-14 14:06:10 +00:00
Kazu Hirata
dc297297ea gcc.c: Fix comment formatting.
* gcc.c: Fix comment formatting.
	* gccspec.c: Likewise.
	* gcov.c: Likewise.
	* gcse.c: Likewise.
	* genemit.c: Likewise.
	* gengenrtl.c: Likewise.
	* genrecog.c: Likewise.
	* gensupport.c: Likewise.
	* ggc-page.c: Likewise.
	* global.c: Likewise.
	* graph.c: Likewise.
	* ifcvt.c: Likewise.
	* integrate.c: Likewise.
	* lcm.c: Likewise.
	* libgcc2.c: Likewise.
	* loop.c: Likewise.
	* mbchar.c: Likewise.
	* optabs.c: Likewise.
	* predict.c: Likewise.
	* prefix.c: Likewise.
	* profile.c: Likewise.
	* protoize.c: Likewise.
	* real.c: Likewise.
	* recog.c: Likewise.
	* regclass.c: Likewise.
	* regmove.c: Likewise.
	* reg-stack.c: Likewise.
	* reload1.c: Likewise.
	* resource.c: Likewise.
	* rtlanal.c: Likewise.
	* rtl.c: Likewise.

From-SVN: r44837
2001-08-12 23:40:53 +00:00
Andreas Jaeger
23190837c6 gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output variables of type HOST_WIDEST_INT.
* gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
	variables of type HOST_WIDEST_INT.

	* libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
	(__bb_exit_func): Correct type of count_max to avoid overflow.
	(num_digits): Handle long long argument.

	* combine.c (gen_lowpart_for_combine): Remove unused variable.

From-SVN: r44033
2001-07-16 11:16:04 +02:00
Jan Hubicka
b2aec5c0eb regs.h (struct reg_info_def): Add freq field.
* regs.h (struct reg_info_def): Add freq field.
	(REG_N_REFS): Update comment.
	(REG_FREQ): New.
	* regclass.c (scan_one_insn): Update REG_FREQ.
	* flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
	(attempt_auto_inc): Likewise.
	(mark_used_reg): Likewise.
	(try_pre_increment_1): Likewise.
	* local-alloc.c (struct qty): Add freq field.
	(alloc_qty): Set freq.
	(update_equiv_regs): Set REG_FREQ.
	(QTY_CMP_PRI): Use freq.
	(combine_regs): Update qty->freq.
	* global.c (struct allocno): Update comment for n_refs;
	add freq field.
	(local_reg_freq): New array.
	(global_alloc): Update freq field;
	allocate and initialize local_reg_freq.
	(allocno_compare): Use freq field.
	(find_reg): Likewise.
	* reload1.c (count_pseudo): Use freq isntead of n_refs.
	(count_spilled_pseudo): Likewise.

	* tm.texi (GCOV_TYPE_SIZE): Document.
	* basic-block.h (gcov_type): Define.
	(struct edge_def): Use gcov_type for count field.
	(struct basic_block_def): Likewise.
	* defaults.h (GCOV_TYPE_SIZE): Define.
	* final.c (end_final): Use GCOV_TYPE_SIZE.
	* flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
	using HOST_WIDEST_INT_PRINT_DEC.
	* gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
	__write_gcov_type): New.
	(store_long): Remove.
	* gcov.c (gcov_type): Set default.
	(struct adj_list): Use gcov_type for arc_count.
	(bb_info): Use gcov_type for succ_count, pred_count and exec_count.
	(create_program_flow_graph): Read arc_count properly.
	(solve_program_flow_graph): 'total' is gcov_type.
	(output_data): Line_counts is gcov_type, print it properly.
	* libgcc2.c (struct bb): Counts is gcov_type.
	(__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
	* profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
	(GCOV_TYPE_SIZE): Define.
	(struct bb_info): succ_count and pred_count is gcov_type.
	(compute_branch_probabilities): Use __read_gcov_type,
	print read edges to the dump file.
	(total): Is gcov_type.
	(gen_edge_profiler): Use GCOV_TYPE_SIZE.

From-SVN: r43505
2001-06-22 17:18:23 +00:00
Zack Weinberg
3fe68d0af3 libgcc2.c, libgcc2.h: Restore __eprintf.
* libgcc2.c, libgcc2.h: Restore __eprintf.  Label as used for
	binary backward compat only.
	* Makefile.in (LIB2FUNCS_ST): New.  Put _eprintf here, not
	in LIB2FUNCS.  Pass it to mklibgcc.
	* mklibgcc.in: Handle LIB2FUNCS_ST.

	* Makefile.in (installdirs): Don't create $(gcc_tooldir).

From-SVN: r42057
2001-05-14 02:46:22 +00:00
Zack Weinberg
fecd6201e6 Makefile.in: Exterminate all references to assert.h.
* Makefile.in: Exterminate all references to assert.h.
	* cross-make: Likewise.
	* assert.h: Delete.
	* configure.in: Correct commentary.
	* configure: Regenerate.
	* po/POTFILES.in: Remove assert.h.

	* libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
	Remove __eprintf.

	* config/t-freebsd, config/t-linux, config/t-linux-aout,
	config/t-netbsd, config/t-rtems, config/x-linux,
	config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
	No need to override INSTALL_ASSERT_H.

	* fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
	fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
	fixinc/fixincl.sh: Don't install assert.h into objdir/include.

From-SVN: r41972
2001-05-11 17:03:02 +00:00
Zack Weinberg
0f976b4577 Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
* Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
	* libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
	* libgcc2.c: Remove __dummy and __builtin_saveregs.
	* libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
	* config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
	for future reference.

From-SVN: r41529
2001-04-25 00:58:04 +00:00
Richard Henderson
e4b776a6d0 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
From-SVN: r40957
2001-03-29 13:11:23 -08:00
Richard Henderson
52a11cbfcf IA-64 ABI Exception Handling.
From-SVN: r40924
2001-03-28 03:04:51 -08:00
Jason Merrill
870eabc47e improve comments
From-SVN: r39537
2001-02-08 07:39:14 -05:00
Alexandre Oliva
5d0e648684 libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
* libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
* libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
Wtype_MIN instead of LONG_MIN.

From-SVN: r39365
2001-01-31 03:53:32 +00:00
Kaveh R. Ghazi
c913b6f18e configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
* configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.

	* Makefile.in: Remove all dependencies on defaults.h.
	* builtins.c: Don't include defaults.h.
	* c-common.c: Likewise.
	* c-decl.c: Likewise.
	* c-pragma.c: Likewise.
	* c-typeck.c: Likewise.
	* combine.c: Likewise.
	* i386.c: Likewise.
	* frame-ia64.c: Likewise.
	* cppexp.c: Likewise.
	* crtstuff.c: Likewise.
	* dbxout.c: Likewise.
	* dwarf2out.c: Likewise.
	* dwarfout.c: Likewise.
	* emit-rtl.c: Likewise.
	* except.c: Likewise.
	* expr.c: Likewise.
	* final.c: Likewise.
	* frame-dwarf2.c: Likewise.
	* libgcc2.c: Likewise.
	* optabs.c: Likewise.
	* profile.c: Likewise.
	* sdbout.c: Likewise.
	* toplev.c: Likewise.
	* tradcif.y: Likewise.
	* tree.c: Likewise.
	* varasm.c: Likewise.

ch:
	* Makefile.in: Remove all dependencies on defaults.h.
	* decl.c: Don't include defaults.h.
	* timing.c: Likewise.

cp:
	* Make-lang.in: Remove all dependencies on defaults.h.
	* call.c: Don't include defaults.h.
	* decl.c: Likewise.
	* decl2.c: Likewise.
	* except.c: Likewise.
	* pt.c: Likewise.
	* rtti.c: Likewise.
	* tree.c: Likewise.
	* typeck.c: Likewise.

f:
	* Make-lang.in: Remove all dependencies on defaults.h.
	* com.c: Don't include defaults.h.

java:
	* Make-lang.in: Remove all dependencies on defaults.h.
	* decl.c: Don't include defaults.h.
	* expr.c: Likewise.
	* parse.y: Likewise.

From-SVN: r39308
2001-01-28 01:50:22 +00:00
Jim Wilson
0024a8041f Eliminate IA-64 compiler warnings.
* dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
	* frame.h (__ia64_personality_v1): Add prototype.
	* libgcc2.c (ia64_throw_helper): Change personality declaration to
	prototype form.  Add void * cast to first argument to personality
	call.
	...

From-SVN: r39227
2001-01-23 20:30:47 -08:00
Chris Demetriou
8a1894ac7b libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list of EH symbols.
2001-01-23  Chris Demetriou  <cgd@broadcom.com>

        * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
        of EH symbols.
        * libgcc2.c (__terminate_func): Make variable static.
        (__terminate_set_func): New function to set __terminate_func.
        * libgcc2.h (__terminate_func_ptr): New typedef.
        (__terminate_set_func): New function.

From-SVN: r39224
2001-01-23 19:03:12 -08:00
Andrew Haley
44f715c8ed libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy of a saved register; return NULL instead.
2001-01-17  Andrew Haley  <aph@redhat.com>

        * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
        of a saved register; return NULL instead.
        (copy_reg): Take a pointer to a source register rather than a
        frame_state.
        (next_stack_level): Remember the address in the stack frame of all
        saved registers.
        Use the saved register pointer array as the source of the CFA.
        (throw_helper): Rewrite.  Unwind once rather than twice and keep
        track of saved registers as we go.

From-SVN: r39199
2001-01-23 13:58:55 +00:00
Richard Kenner
757e6639b9 c-decl.c (start_function): Don't warn if old prototype is builtin that's not in C's namespace.
* c-decl.c (start_function): Don't warn if old prototype is builtin
	that's not in C's namespace.
	* libgcc2.c (_varargs): Update definition of __builtin_saveregs.
	(_bb): Add prototype for ctime.
	* config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.

From-SVN: r38980
2001-01-13 07:34:02 -05:00
Michael Hayes
66f7715434 libgcc2.h: Use Wtype for SItype and DWtype for DItype in prototypes.
* libgcc2.h: Use Wtype for SItype and DWtype for DItype in prototypes.
	* libgcc2.c (__absvsi2): Use Wtype and DWtype.
	(__absvdi2, __addvsi3, __addvdi3, __subvsi3): Likewise.
	(__subvdi3, __mulvsi3, __mulvdi3, __negvsi2, __negvdi2): Likewise.

From-SVN: r38314
2000-12-16 22:43:58 +00:00
Rodney Brown
2398fb2aea osf.h: Standarize copyright statement.
* config/alpha/osf.h: Standarize copyright statement.
	* config/arc/arc.h: Likewise.
	* config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
	* config/arm/arm.c config/arm/arm.h: Likewise.
	* config/elxsi/elxsi.h: Likewise.
	* config/i386/sco.h: Likewise.
	* config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
	* config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
	* config/m68k/sun3.h: Likewise.
	* config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
	* config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
	* config/romp/romp.h: Likewise.
	* config/rs6000/aix41.h: Likewise.
	* config/sparc/sysv4.h: Likewise.
	* config/we32k/we32k.c config/we32k/we32k.h: Likewise.
	* fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
	* cpplib.h cppexp.c cselib.h profile.c: Likewise.
	* longlong.h: Likewise.
	* libgcc2.c: Likewise.

From-SVN: r38088
2000-12-06 18:58:25 -07:00
Chris Demetriou
a8c0159ad4 libgcc2.c (__shtab): Remove __shtab variable.
* libgcc2.c (__shtab): Remove __shtab variable.
	* libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
	* Makefile.in (LIB2FUNCS): Remove _shtab from list of library
	members.

From-SVN: r37175
2000-10-31 17:43:16 -07:00
Kaveh R. Ghazi
8f54374ed3 Warning fixes:
* mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.

	* sparc.c (load_pic_register): Delete unused varaible.

	* libgcc2.c (__addvsi3): Delete unused variable.

	* libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
	__subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
	__negvdi2): Prototype.

	* ssa.c (apply_delayed_renames): Avoid undefined operation.

	* toplev.c (display_target_options): Make static to match
	prototype.  Delete empty declaration.

From-SVN: r36987
2000-10-20 23:32:10 +00:00
Chandrakala Chavva
3cf3728197 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
From-SVN: r36952
2000-10-19 12:25:21 -04:00
Chandrakala Chavva
3d2adde6dc Added the missing #endif.
From-SVN: r36950
2000-10-19 11:44:32 -04:00
Chandrakala Chavva
91ce572a07 Adding new option -ftrapv.
From-SVN: r36942
2000-10-18 17:33:41 -04:00
Richard Henderson
1854631bcc Makefile.in (LANG_LIB2FUNCS): Remove.
* Makefile.in (LANG_LIB2FUNCS): Remove.
        (LIB2FUNCS): Remove _pure.
        (LIB2ADD): Remove LANG_LIB2FUNCS.
        (stage_a): Don't set LANG_LIB2FUNCS.
        * libgcc2.c (__terminate): Mark noreturn.
        (__pure_virtual): Remove.
        * mklibgcc.in: Remove LIB2ADD .txt processing.

From-SVN: r36817
2000-10-09 14:13:04 -07:00
Richard Henderson
d6eacd4836 Makefile.in (LIB2FUNCS): Add _clz.
* Makefile.in (LIB2FUNCS): Add _clz.
        * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
        (__clz_tab): Put in its own unit, non-static.
        * libgcc2.h: Always include longlong.h.

From-SVN: r36744
2000-10-05 22:29:56 -07:00
Richard Henderson
db2e2f480c frame.h (ia64_frame_state): Add my_psp.
* frame.h (ia64_frame_state): Add my_psp.
        * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
        (__throw): Pass it in.  Don't clobber r7.
        * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
        (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
        and nothing to do with sp.
        (normalize_reg_loc): Use frame->my_psp.
        (frame_translate): Handle frame-pointer-less functions.  Set
        spill_base correctly, in absence of being told.
        (__build_ia64_frame_state): New sp argument.  Fill in frame->my_sp.
        (__ia64_backtrace_helper): New sp argument.  Use
        builtin_return_address instead of label addresses.
        (print_record) [mem_stack_v]: No size member.

From-SVN: r35565
2000-08-08 02:08:55 -07:00
Nick Clifton
14e7eabd24 Fix compile time warning message
From-SVN: r34947
2000-07-10 20:25:56 +00:00
Andrew Macleod
7d9d8943c9 dwarf2.h (enum dwarf_call_frame_info): Add DW_CFA_def_cfa_expression.
* dwarf2.h (enum dwarf_call_frame_info): Add
        DW_CFA_def_cfa_expression.
        * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
        dw_loc_descr_struct entry.
        (struct cfa_loc): New structure to track a CFA location.
        (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
        (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
        offset, plus handle DW_CFA_def_cfa_expression.
        (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
        cfa_loc record.
        (dwarf2out_def_cfa): Entry point maintained for compatability.
        (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
        (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
        (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
        (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
        cfa_reg.
        (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
        sequences for the new DW_CFA_def_cfa_expression record.
        (dwarf2out_frame_debug): Use new variables/fields.A
        (output_cfi): Handle DW_CFA_def_cfa_expression.
        (output_cfa_loc): New function to generate a CFI record for
        DW_CFA_def_cfa_expression.
        (get_cfa_from_loc_descr): New function to get a cfa_loc record from
        a dw_loc_descr sequeunce.
        (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
        (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
        size_of_locs, output_loc_operands, output_loc_sequence): Move into
        unwind info section.
        * frame.h (frame_state): Add base_offset and indirect fields.
        * frame-dwarf2.c (decode_stack_op): New function to interpret a
        dw_loc_descr operation.
        (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
        (struct frame_state): Add base offset and indirect fields.
        * libgcc2.c (next_stack_level): Support indirect loading for CFA.

From-SVN: r34717
2000-06-26 16:15:07 -04:00
Richard Henderson
46327bc509 libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
* libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
        (__throw): Don't pass the address of a label.

        * config/ia64/ia64.c (ia64_compute_frame_size): Use
        current_function_is_leaf.
        (ia64_expand_prologue): Likewise.  Modify return_address_pointer_rtx
        instead of reg_names[RETURN_ADDRESS_REGNUM].
        (ia64_init_machine_status): Reset return_address_pointer_rtx.
        * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
        from RETURN_ADDRESS_REGNUM.  Update all uses.
        (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
        zero instead of null on failure.
        (ELIMINABLE_REGS): Add ra->b0 elimination.
        (CAN_ELIMINATE): Update accordingly.
        (INITIAL_ELIMINATION_OFFSET): Likewise.
        (REGISTER_NAMES): Use an illegal assembler name for
        RETURN_ADDRESS_POINTER_REGNUM.

From-SVN: r34531
2000-06-13 16:36:19 -07:00
Nathan Sidwell
103c63aeb9 eh-common.h (EH_ALLOC_SIZE, [...]): New #defines.
gcc:
 	* eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
	(eh_context): Add alloc_mask and alloc_buffer emergency fallback
	space.
	* libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
	emergency eh_context buffer, if malloc fails.
	(__eh_free): Moved from cp/exception.cc. Release to emergency
	eh_context buffer, if appropriate.
gcc/cp:
	* exception.cc: (__eh_alloc, __eh_free): Moved to libgcc2.c

From-SVN: r34429
2000-06-06 16:38:49 +00:00
Andrew MacLeod
ce152ef836 except.c (func_eh_entry): Add emitted field.
2000-05-25  Andrew MacLeod  <amacleod@cygnus.com>
            Andrew Haley  <aph@cygnus.com>

	* except.c  (func_eh_entry): Add emitted field.
	(new_eh_region_entry): Set emitted field to 0;
	(output_exception_table_entry): Only emit previously un-emitted data,
	and send it to the eh_data section.
	(output_exception_table): Break out common parts. Output
	exception table for entire compilation unit to eh_data section.
	(output_exception_table_data): Common parts of output_exception_table.
	Send output to eh_data section.
	(output_function_exception_table): Output exception table data for
	a single function to eh_data section.
	(free_exception_table): New external to free the table.
	* except.h (free_exception_table): Add prototype.
	(output_function_exception_table): Add prototype.
	* final.c (final_end_function): Output function exception table
	for IA64_UNWIND_INFO.
	(final_scan_insn): Emit any unwind directives for an insn.

	* frame-dwarf2.c: New file containing all DWARF 2 specific code
	from frame.c.
	* frame.c: Remove all DWARF 2 specific code.
	* config/ia64/frame-ia64.c: New file.
	(gthread_stuff): Make all gthread available with
	IA64_UNWIND_INFO.
	(dwarf_fde): Define an IA64 struct for dwarf_fde.
	(__register_frame_info, __register_frame): Move to common area of file.
	(__register_frame_info_table, __register_frame_table): Move to common i
	area.
	(__deregister_frame_info, __deregister_frame): Move to common area.
	(__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
	(read_uleb128): New version for ia64.
	(get_unwind_record): Read the next IA-64 unwind record.
	(read_R_record): Read a region header record.
	(process_a_b_reg_code): X record helper.
	(read_X_record): Read an X format record.
	(read_B_record): Read a B format record.
	(P3_record_types): List of record types matching the P3 format.
	(P7_record_types): List of record types matching the P7 format.
	(P8_record_types): List of record types matching the P8 format.
	(read_P_record): Read a P format record.
	(init_ia64_reg_loc): Set default fields for a register.
	(init_ia64_unwind_frame): Set defaults for all register records.
	(execute_one_ia64_descriptor): Execute one descriptor record.
	(rse_address_add): Calculate the position of a local reg in memory.
	(normalize_reg_loc): Turn a location descriptor into a memory address.
	(maybe_normalize_reg_loc): Only normalize a descriptor if it falls
	within a specified PC offset range.
	(get_real_reg_value): Given a register location, retrieve its value.
	(set_real_reg_value): Change the value of a register location.
	(copy_reg_value): Copy reg values, if needed.
	(copy_saved_reg_state): Copy all registers that need to be copied.
	(process_state_between): Normalize all frame register records that
	fall within the specified PC range.
	(frame_translate): Take a processed frame description, and turn
	everything into addresses.
	(build_ia64_frame_state ): Find and create frame state record for a PC.
	(get_personality): Get the personality routine for a given frame.
	(get_except_table): Get the exception table for a given frame.
	(record_name): Unwind record names for debugging.
	(print_record): Print and unwind record.
	(print_all_records): Print an entire unwind image.
	(__ia64_backtrace): Print a backtrace.
	(ia64_backtrace_helper): New function.
	(__register_frame_info_aux): New function.
	* config/ia64/crtend.asm (__do_frame_setup_aux): New function.

	* frame.h (enum unw_record_type): New unwind record types.
	(struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
	(struct unw_r_record, unwind_record): New unwind record structs.
	(struct unwind_info_ptr): Unwind information layout.
	(IA64_UNW_LOC_TYPE_*): Macros for different types for location
	descriptors.
	(struct ia64_reg_loc): Register location description.
	(struct ia64_frame_state): Location of all registers in a frame.
	(struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
	* libgcc2.c (__ia64_personality_v1): Personality routine.
	(__calc_caller_bsp): Calculate the bsp register for the caller's
	frame.
	(ia64_throw_helper): Figure out who to return to and set up the
	registers.
	(__throw): Throw routine.

	* output.h (assemble_eh_align, assemble_eh_label): New functions
	to generate EH info where we want it.
	(assemble_eh_integer): New function.
	* toplev.c (compile_file): Output module level exception table for
	non-ia64 targets.
	(main): Set exceptions_via_longjump and flag_new_exceptions based
	on IA64_UNWIND_INFO too.

	* varasm.c (assemble_eh_label): Generate a label via
	ASM_OUTPUT_EH_LABEL if it has been specified.
	(assemble_eh_align): Generate an alignment directive via
	ASM_OUTPUT_EH_ALIGN if it has been specified.
	(assemble_eh_label): Generate an integer value via
	ASM_OUTPUT_EH_type if they have been specified.
	* config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
	(ia64_init_builtins): Add __builtin_ia64_bsp
	and __builtin_ia64_flushrs.
	(ia64_expand_builtin): Add IA64_BUILTIN_BSP and
	IA64_BUILTIN_FLUSHRS.
	* config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
	IA64_BUILTIN_FLUSHRS.

	* config/ia64/ia64.md (flushrs): New insn to flush the register
	stack.  Add to unspec list.

	* config/ia64/crtbegin.asm (frame_object): Change size.
	(__do_frame_setup_aux): New function.
	* config/ia64/crtend.asm: call __do_frame_setup_aux.
	* config/ia64/t-ia64 (LIB2ADDEH): Add.
	* Makefile.in (LIB2ADDEH): Add.
	(LIB2ADD): Use LIB2ADDEH.

Co-Authored-By: Andrew Haley <aph@cygnus.com>

From-SVN: r34169
2000-05-25 15:21:51 +00:00
Eric Christopher
b39d221a3f configure.in: Redefine inhibit_libc conditions.
* configure.in: Redefine inhibit_libc conditions.
        * libgcc2.c: Remove inhibit_libc conditional define.
        * configure: Regenerate.

From-SVN: r34126
2000-05-24 00:21:49 -06:00
Jeff Law
f7af368f25 Update to libgcc copyright exception clause.
From-SVN: r33916
2000-05-15 17:14:17 -06:00
Richard Henderson
7efe41a9d9 libgcc2.c (near eh_context_specific): Comment #endif string.
* libgcc2.c (near eh_context_specific): Comment #endif string.
        * longlong.h: Don't use strings with embedded newlines.

From-SVN: r33687
2000-05-04 16:21:33 -07:00
Richard Kenner
6da9c622a6 configure.in (alpha*-*-*): Aad config/alpha/t-alpha.
* configure.in (alpha*-*-*): Aad config/alpha/t-alpha.
	* configure: Rebuilt.
	* libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
	(__fixunsxfDI): Renamed from __fixunsxfdi.
	(__fixunsdfDI): Renamed from __fixunsdfdi.
	(__fixunssfDI): Renamed from __fixunssfdi.
	(__floatdisf): Use proper type in REP_BIT macro.
	(__fixunsxfSI): Renamed from __fixunsxfsi.
	(__fixunsdfSI): Renamed from __fixunsdfsi.
	(__fixunssfSI): Renamed from __fixunssfsi.
	* libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
	Change location of macros and upper-case some names as above.
	* longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
	* config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.

From-SVN: r33166
2000-04-15 12:34:38 -04:00
Jason Merrill
8034da37ce rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
* config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
        * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
        * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.

        * frame.h (frame_state): Revert last change.
        * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
        * libgcc2.c (throw_helper): Revert last change.

From-SVN: r32705
2000-03-23 07:14:06 -05:00
Jason Merrill
2c84914526 Implement dwarf2 exception handling for the ARM.
* config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
        (DWARF_FRAME_RETURN_COLUMN): Define.
        * config/arm/arm.c (emit_multi_reg_push): Return rtx.  Attach
        REG_FRAME_RELATED_EXPR note.
        (emit_sfm): Likewise.
        (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
        * dwarf2out.c (reg_save): Handle saving a register to itself.
        (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
        * except.c (eh_regs): Don't use the static chain reg if it's
        callee-saved.
        * frame.h (frame_state): Add cfa_saved field.
        * frame.c (execute_cfa_insn): Set it.
        * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
        the epilogue.
        * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
        Now takes a parm.
        (instantiate_virtual_regs): Adjust.
        * tm.texi: Adjust.
        * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
        * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
        * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.

        * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
        (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.

From-SVN: r32696
2000-03-22 19:29:55 -05:00
Kaveh R. Ghazi
299b83b7fb libgcc2.h: New file.
* libgcc2.h: New file.
	* libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.

From-SVN: r32440
2000-03-09 03:39:09 +00:00
Zack Weinberg
78a0d70cdf frame.c (find_fde): Convert for loop to do-while so compiler sees it's always executed at least once.
* frame.c (find_fde): Convert for loop to do-while so compiler
	sees it's always executed at least once.
	* libgcc2.c (BBINBUFSIZE): Kill.
	(__bb_init_prg): Use fgets.
	(__bb_exit_trace_func): Don't paste strings.
	* unroll.c (unroll_loop): Initialize unroll_type, not
	unroll_number, and tweak logic to match.

	* i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
	all failure paths.
	(ix86_flags_dependant): Likewise.  Disentangle control flow.
	(ix86_sched_reorder): Break guts out to
	ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
	(ix86_sched_reorder_ppro): Initialize pair2 and insnp before
	any possible use.

	* i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
	use string concatenation.  Don't save and restore esi.

	* fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
	(machname.h): Remove script to separate file.  Use two-step
	sequence so target is not created if script fails.
	* fixinc/gen-machname.h: New file.  Handle case where no non-reserved
	identifiers are defined.
	* fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
	an empty string, machine_name doesn't need to do anything at
	all.
	(is_cxx_header): Add more cases to regexp.
	* fixinc/fixlib.h: Update prototype.
	* fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
	mn_get_regexps.
	* fixinc/fixincl.c: Define NO_BOGOSITY.

	* fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
	(hp_sysfile): Add missing comma.
	(math_exception): Put the wrapper ifdefs at the beginning and
	the end of the file.
	* fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.

From-SVN: r31744
2000-02-01 23:51:38 +00:00
Kaveh R. Ghazi
2e39bdbe4b tsystem.h: New file.
* tsystem.h: New file.

	* Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
	s-crtS): Depend on tsystem.h.

	* crtstuff.c: Include tsystem.h.
	* frame.c: Likewise.
	* libgcc2.c: Likewise.

From-SVN: r31741
2000-02-01 21:30:52 +00:00
J"orn Rennecke
e09d24ffb1 calls.c (special_function_p): New argument fork_or_exec.
gcc:
	* calls.c (special_function_p): New argument fork_or_exec.
	(expand_call): When profile_arc_flag is set and the function
	is in the fork_or_exec group, call __bb_fork_func first.
	* libgcc2.c, _bb module (__bb_fork_func): New function.
	(__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
	output file.
	* config/svr4.h (TARGET_HAS_F_SETLKW): Define.
	* tree.h (special_function_p): Update prototype.

gcc/cp:
	* cp/optimize.c (calls_setjmp_r): Supply new argument
	to special_function_p.

From-SVN: r31635
2000-01-26 22:27:31 +00:00
Richard Henderson
7e259f255f libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
* libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
        (throw_helper): Iterate over DWARF_FRAME_REGISTERS.

From-SVN: r31576
2000-01-23 14:33:30 -08:00
Kaveh R. Ghazi
ec6bfc9b7c crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
* crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
	Otherwise provide a declaration for atexit.
	(init_dummy): Make sure dummy call to atexit is nevertheless
	called with correct number of args.

	* frame.c: Update comments referring to other files.

	* libgcc2.c: Likewise.

From-SVN: r31124
1999-12-29 21:22:16 +00:00
Jakub Jelinek
996ed075bd h8300.h (TARGET_H8300H, [...]): Make sure UNITS_PER_WORD and BITS_PER_WORD are compile time constants when...
* config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
	UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
	compiling libgcc2.
	* config/mips/mips.h (TARGET_64BIT): Likewise.
	* config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
	* libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
	of {SI,DI}type and DIunion.  Define these types to QI/HI modes on
	dsps.  Give routines proper names if SI/DI modes are not used.
	* longlong.h: Use DWunion instead of DIunion.

From-SVN: r31095
1999-12-27 09:34:45 +01:00
Kaveh R. Ghazi
3e7d8ef1a6 gthr-single.h (__gthread_active_p): Add prototype arguments.
* gthr-single.h (__gthread_active_p): Add prototype arguments.

	* libgcc2.c (__udivmoddi4): Remove unnecessary decls.
	(__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
	__bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
	function_ptr, getpagesize, __enable_execute_stack,
	__enable_execute_stack, __clear_insn_cache,
	__enable_execute_stack, __do_global_dtors, __do_global_ctors,
	_cleanup, _exit, __default_terminate, __terminate_func,
	__terminate, __empty, __throw, new_eh_context,
	eh_context_initialize, eh_context_static, eh_context_specific,
	get_eh_context, __get_eh_context, __get_eh_info,
	init_reg_size_table, eh_threads_initialize,
	__get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
	__unwinding_cleanup, throw_helper, __throw, __rethrow,
	__pure_virtual): Add prototype arguments.
	(__bb_exit_func): Cast a sizeof to long when comparing against one.
	Cast a signed value to unsigned long when comparing against one.
	(new_eh_context): Wrap in _GTHREADS macro.
	(__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
	declaration.
	(in_reg_window): Mark parameters with __attribute__ ((__unused__)).
	(throw_helper): Initialize variables `handler_p' and `pc_p'.

From-SVN: r30872
1999-12-12 15:34:09 +00:00
Jakub Jelinek
021b394959 longlong.h: Merge in changes from glibc.
* longlong.h: Merge in changes from glibc.
	Also don't clobber %g2 register in 32bit SPARC assembly, so that
	-mno-app-regs libgcc can be compiled.
	* libgcc2.c: Add defines so that the updated longlong.h
	can be used in libgcc2.a. Also, make sure on most architectures
	(at least on all which have optimized code in longlong.h defined
	for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.

From-SVN: r30836
1999-12-08 17:00:45 -08:00
David O'Brien
d7ebf9ea95 xm-i386.h: Define `__i386__' if not defined...
* xm-i386.h: Define `__i386__' if not defined, rather than `i386'
        which is in the user's namespace.
        * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
        `i386' which is not in our namespace.

From-SVN: r30627
1999-11-22 23:09:34 -07:00
Jason Merrill
bf279c4e1a libgcc2.c (__do_global_dtors): Only do EH frame stuff if ! HAS_INIT_SECTION.
* libgcc2.c (__do_global_dtors): Only do EH frame stuff if
	! HAS_INIT_SECTION.

From-SVN: r30339
1999-11-02 02:24:27 -05:00
Richard Kenner
14a774a9d2 [multiple changes]
Fri Oct 29 15:25:07 1999  Arnaud Charlet  <charlet@ACT-Europe.FR>

	* gcov.c (DIR_SEPARATOR): Provide default.
	(output_data): Add test for MS-DOS format absolute filename.
	(fancy_abort): Correct program name.
	(open_files): Open all files in binary mode.
	* libgcc2.c (__bb_exit_func): Likewise.

	* profile.c (init_branch_prob): Specify binary when opening files.

	* flags.h (flag_unwind_tables): New decl.
	* toplev.c (flag_unwind_table): New definition.
	(f_options): Add -funwind-tables.
	(decode_g_option): Clarify warning when unknown -g option is given.
	(rest_of_compilation): If inside an inlined external function,
	pretend we are just being declared.

	* dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
	(dwarf2out_frame_finish): Likewise.

Fri Oct 29 06:32:44 1999  Geoffrey Keating  <geoffk@cygnus.com>

	* flow.c (propagate_block): When the last reference to a label
 	before an ADDR_VEC is deleted because the reference is a dead
 	store, delete the ADDR_VEC.

Fri Oct 29 07:44:26 1999  Vasco Pedro  <vp@di.fct.unl.pt>

	* fold-const.c (merge_ranges): In not in0, but in1, handle
	upper bounds equal like subset case.

Thu Oct 28 19:22:24 1999  Douglas Rupp <rupp@gnat.com>

	* dbxout.c (dbxout_parms): Generate a second stabs line for parameters
	passed in a register but moved to the stack.

Thu Oct 28 19:12:57 1999  Sam Tardieu  <tardieu@act-europe.fr>

	* gcc.c (pass_exit_codes, greatest_status): New variables.
	(struct option_map): Add entry for "--pass-exit-codes".
	(execute): Update greatest_status if error.
	(display_help): Add documentation for -pass-exit-codes.
	(process_command): Handle -pass-exit-codes.
	(main): Look at pass_exit_codes and greatest_status on call to exit.

Thu Oct 28 18:06:50 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* reload.c (find_reloads): Refine test for no input reload
	case to not includes reloads emitted after insn.

	* function.c (find_temp_slots_from_address): Handle sum involving
	a register that points to a temp slot.
	(update_temp_slot_address): Make recursive call if both old and
	new are PLUS with a common operand.
	* calls.c (expand_call): Mark temp slot for result as having
	address taken.

	* rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.

	* gcc.c (process_command): Add standard_exec_prefix with "GCC"
	component as well as "BINUTILS".

	* integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	(expand_inline_function, integrate_parm_decls, integrate_decl_tree):
	All callers changed.
	* unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.

	* dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
	gdb extensions, write size of type; also be more consistent
	in using references when this is a subtype.

	* pa.md (extv, extzv, insv): Use define_expand to reject constant
	that is out of range.

	* loop.c (unknown_constant_address_altered): New variable.
	(prescan_loop): Initialize it.
	(note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
	(invariant_p, case MEM): Remove handling for volatile and readony;
	check new variable if readonly.
	(check_dbra_loop): Chdeck unknown_constant_address_altered.

	* cse.c (canon_hash, case MEM): Do not record if BLKmode.
	(addr_affects_sp_p): Removed from note_mem_written and only
	define #ifdef AUTO_INC_DEC.

	* alpha.c (input_operand, case ADDRESSOF): Treat as REG.

	* regclass.c (record_reg_classes): Properly handle register move
	directions.

	* varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
	Don't think valid if both operands are invalid.
	(struct constant_descriptor): New field RTL.
	(mark_const_hash_entry): Mark it.
	(record_constant{,_rtx}): Initialize it.
	(output_constant_def): Allocate RTL in permanent obstack and
	save in table.
	({record,compare}_constant_1): Modes must match for
	CONSTRUCTOR of ARRAY_TYPE.

	* c-common.h (initializer_constant_valid_p): Delete decl from here.
	* output.h (initializer_constant_valid_p): Move decl to here.
	* c-common.c (initializer_constant_valid_p): Delete function from here.
	* varasm.c (initializer_constant_valid_p): Move function to here.

	* tree.h (STRIP_SIGN_NOPS): New macro.
	* fold-const.c (optimize_minmax_comparison): New function.
	(invert_truthvalue, case WITH_RECORD_EXPR): New case.
	(fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
	(fold, case EQ_EXPR): Call optimize_minmax_comparison and add
	cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
	widening conversions.
	(fold, case LE_EXPR): Rework changing unsigned to signed comparisons
	to look at size of mode, not precision of type; also add missing cases.
	(optimize_bit_field_compare, decode_field_reference): Don't try to
	optimize COMPONENT_REF of a PLACEHOLDER_EXPR.

	* dwarf2out.c (ctype.h): Include.
	(dwarf2out_set_demangle_name_func): New function.
	(size_of_line_info): Deleted.
	(output_line_info): Compute size of line info table from difference
	of labels.
	(base_type_die, add_name_attribute): Call demangle function, if any.
	(field_byte_offset): Use bits per word for variable length fields.
	(gen_array_type_die): Add array name.
	(gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
	(dwarf2out_add_library_unit_info): New function.

	* explow.c (set_stack_check_libfunc): New function.
	(stack_check_libfunc): New static variable.
	(probe_stack_range): Allow front-end to set up a libfunc to call.

	* combine.c (simplify_comparison): When making comparison in wider
	mode, check for having commuted an AND and a SUBREG.
	(contains_muldiv): New function.
	(try_combine): Call it when dividing a PARALLEL.
	(simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
	(simplify_comparison, case ASHIFTRT): Recognize sign-extension of
	a PLUS.
	(record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
	use one of the CLOBBERs instead.
	(if_then_else_cond): If comparing against zero, just return thing
	being compared.

	* optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
	Don't generate shifts and subtract if have conditional arithmetic.

	* rtl.h (delete_barrier): New declaration.
	* jump.c (jump_optimize): Set up to handle conditional call.
	In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
	(delete_barrier): New function.

	* rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.

	* recog.c (nonmemory_operand): Accept ADDRESSOF.

	* tree.c (build_type_attribute_variant): Push to obstack of
	ttype around type_hash_canon call.

	* expr.c (placeholder_list): Move decl to file scope.
	(expand_expr): Don't force access to volatile just because its
	address is taken.
	If ignoring reference operations, just expand the operands.
	(expand_expr, case COMPONENT_REF): Propagate
	EXPAND_CONST_ADDRESS to recursive call when expanding inner.
	Refine test for using bitfield operations vs pointer punning.
	(expand_expr, case CONVERT_EXPR): If converting to
	BLKmode UNION_TYPE from BLKmode, just return inner object.
	Use proper mode in store_field call.
	Properly set sizes of object to store and total size in store_field
	call for convert to union.
	(expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
	memory (like for ADDR_EXPR).  Also, don't put constant in register if
	we'll want it in memory.
	(readonly_fields_p): New function.
	(expand_expr, case INDIRECT_REF): Call it if LHS.
	(expand_assignment): Handle a RESULT_DECL where
	DECL_RTL is a PARALLEL.
	(do_jump, case WITH_RECORD_EXPR): New case.
	(get_inner_reference): Always go inside a CONVERT_EXPR
	and NOP_EXPR if both modes are the same.
	(store_field): Use bitfield operations if size of bitsize is not same
	as size of RHS's type.
	Check for bitpos not a multiple of alignment in BLKmode case.
	Do block move in largest possible alignment.
	(store_constructor): Set BITSIZE to -1 for variable size and properly
 	in case of array of BLKmode.
	(expand_expr_unaligned): New function.
	(do_compare_and_jump): Call it.

	* mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
	* collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
	does not include 'o'.

	* function.c (instantiate_virtual_regs_1, case SET): Handle case where
	both SET_DEST and SET_SRC reference a virtual register.
	(gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.

	* integrate.c (expand_inline_function): Handle case of setting
	virtual stack vars register (from built in setjmp); when parameter
	lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
	(subst_constant): Add new parm, MEMONLY.
	(expand_inline_function, integrate_parm_decls): Pass new parm.
	(integrate_decl_tree): Likewise.
	(copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
	(try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
	(copy_rtx_and_substitute, case SET): Add explicit calls to
	copy_rtx_and_substitute for both sides.

	* stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
	constraints.
	(pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
	within INDEX_TYPE, instead of before.
	(fixup_gotos): Use f->target_rtl, not the next insn,
	since latter may be from a later fixup.
	(expand_value_return): Correctly convert VAL when promoting function
	return; support RETURN_REG being a PARALLEL.
	(expand_return): When checking for result in regs and having
	cleanup, consider PARALLEL in DECL_RTL as being in regs.

From-SVN: r30299
1999-10-31 20:11:22 -05:00
Gavin Romig-Koch
a4ebb0e69f libgcc2.c (__do_global_dtors): Protect __deregister_frame_info from multiple calls.
* libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
	from multiple calls.

From-SVN: r29979
1999-10-14 13:38:01 +00:00
Michael Meissner
2f9e65b1f1 Do not include stddef.h if building trampoline support and inhibit_libc is defined
From-SVN: r29831
1999-10-05 19:59:03 +00:00
Michael Meissner
139fa6f87b Mark args as unused.
From-SVN: r29830
1999-10-05 19:48:55 +00:00
Michael Meissner
df231a0970 Declare malloc, free, and atexit if inhibit_libc is defined.
From-SVN: r29829
1999-10-05 19:41:35 +00:00
Bernd Schmidt
d9d5c9de1c Use lookup table to get register sizes in dwarf2 eh
From-SVN: r29730
1999-09-30 13:40:41 +00:00
Dan Nicolaescu
e8f38d1ace libgcc2.c (num_digits): Add prototype with __attribute__((const)).
* libgcc2.c (num_digits): Add prototype with
        __attribute__((const)).
        (__terminate): Add prototype.

From-SVN: r29616
1999-09-23 07:37:49 -06:00
Jason Merrill
f75e894618 libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
* libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
	* sparc/sunos4.h (HAVE_ON_EXIT): Remove.

From-SVN: r29481
1999-09-17 14:37:48 -04:00
Kaveh R. Ghazi
a218d5ba2b libgcc2.c (__do_global_ctors): Call atexit with one arg.
* libgcc2.c (__do_global_ctors): Call atexit with one arg.

	* sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
	Define HAVE_ON_EXIT.

From-SVN: r29465
1999-09-16 22:51:47 +00:00
Jason Merrill
c063dc9813 gbl-ctors.h: Lose HAVE_ATEXIT.
* gbl-ctors.h: Lose HAVE_ATEXIT.  Don't define ON_EXIT.
	* libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
	(__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
	(__do_global_dtors): Likewise.  Don't mess with _exit_dummy_decl.
	(atexit, exit): Simplify.
	* tm.texi: Document NEED_ATEXIT and ON_EXIT.  Remove HAVE_ATEXIT.
	* config/lots: Remove defns of HAVE_ATEXIT.

From-SVN: r29439
1999-09-15 17:41:16 -04:00
Jason Merrill
31cf01446d defaults.h (EH_FRAME_SECTION, [...]): Define here.
* defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
	* crtstuff.c: Not here.
	* dwarf2out.c: Or here.
	* libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
	info.

From-SVN: r29241
1999-09-09 17:36:20 -04:00
Jeff Law
c5c7673583 Merge in gcc2-ss-010999
From-SVN: r29150
1999-09-06 23:49:18 -06:00
Jeffrey A Law
657be7aff1 Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
* Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
        * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
        initializers is some circumstances.

From-SVN: r27489
1999-06-10 21:12:22 -06:00
Jason Merrill
51980de69e libgcc2.c (throw_helper): Just return the SP offset, rather than a whole udata.
* libgcc2.c (throw_helper): Just return the SP offset, rather than
	a whole udata.  Include args_size in the offset.
	(__throw, __rethrow): Adjust.

From-SVN: r26066
1999-03-30 09:12:49 -05:00
Jim Blandy
7ad3a049d3 libgcc2.c (__CTOR_LIST__, [...]): Initialize on all platforms.
* libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all
        platforms.

From-SVN: r25939
1999-03-23 17:51:16 -07:00
Mumit Khan
b27d2bd5fe cppfiles.c (INO_T_EQ): Handle UWIN.
* cppfiles.c (INO_T_EQ): Handle UWIN.
        * c-common.c (decl_attributes): Flag unrecognized attribute
        functions as warnings instead of as errors.
        Support for i386-pc-uwin.
        * i386/uwin.h: New file.
        * i386/xm-uwin.h: New file.
        * i386/t-uwin: New file.
        * i386/uwin.asm: New file.
        * configure.in (i[3456]86-*-uwin*): Define.
        Add Workaround for vfork bug when hosted on uwin.
        * configure: Regenerate.
        * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
        (absolute_filename): UWIN uses POSIX pathnames only.
        * libgcc2.c (getpagesize): Do not define for UWIN.
        (mprotect): Likewise.
        * protoize.c (dirent.h): Conditionally include.
        (fputc): Prototype only if it's not a macro.

From-SVN: r25696
1999-03-10 17:58:01 -07:00
Jason Merrill
1b528097cd tweak formatting
From-SVN: r24874
1999-01-26 14:34:46 -05:00
Vladimir Makarov
eaa4b44cfc [multiple changes]
1999-01-19  Vladimir N. Makarov  <vmakarov@cygnus.com>
	* invoke.texi (-mlong-double-64): New option description.
1999-01-19  Jim Wilson  <wilson@cygnus.com>
	* libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
	LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New.  Set to LONG_DOUBLE_TYPE_SIZE
	if not defined.
	* i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
	(CPP_SPECS): Add -mlong-double-64 support.
	(TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
	(TARGET_SWITCHES): Add -mlong-double-64 support.
	(LONG_DOUBLE_TYPE_SIZE): Likewise.
	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
	* i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
	(CPP_SPECS): Add -mlong-double-64 support.
	* i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
	(MULTILIB_DIRNAMES): Add ld64.
	* i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.

From-SVN: r24764
1999-01-19 12:03:01 +00:00
Andrew MacLeod
e6cfb550ab See ChangeLog..
Tue Dec  8 15:32:56 EST 1998  Andrew MacLeod  <amacleod@cygnus.com>
See ChangeLog.. These are the files that were changed:
	* eh-common.h (struct eh_context): Add table_index for rethrows.
	* rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
	* rtl.c (reg_note_name): Add strings for new reg_note enums.
	* expr.h (rethrow_libfunc): New library decl.
	* optabs.c (rethrow_libfunc): Initialize.
	* except.h (struct eh_entry): Add new field 'rethrow_label'.
	* except.c (create_rethrow_ref): New function to create a single
	* flow.c (make_edges): Add different edges for rethrow calls,
	* integrate.c (save_for_inline_eh_labelmap): New callback routine to
	* libgcc2.c (find_exception_handler): Generalize to enable it to
        * cp/except.c
        * cp/exception.cc

From-SVN: r24194
1998-12-08 14:04:03 +00:00
Mike Stump
d0b9a143e7 libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
* libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
	The strategy we now use is to pre allocate the top_elt along
	with the EH context so that each thread has its own top_elt.
	This is necessary as the dynmanic cleanup chain is used on the
	top element of the stack and each thread MUST have its own.
	(eh_context_static): Likewise.
	(new_eh_context): Likewise.
	(__sjthrow): Likewise.

From-SVN: r23818
1998-11-23 15:37:32 -05:00
Geoffrey Noer
cae21ae8a9 Jumbo patch from Geoff Noer to rename CYGWIN32 to CYGWIN.
From-SVN: r23622
1998-11-12 11:37:47 -08:00
Mike Stump
4f2905fb4b * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
From-SVN: r23185
1998-10-19 15:34:53 -04:00
Jeffrey A Law
c3cad2213e libgcc2.c (eh_context_static): Do not call malloc to allocate the static eh_context structure.
* libgcc2.c (eh_context_static): Do not call malloc to allocate the
        static eh_context structure.

From-SVN: r23175
1998-10-19 04:44:52 -06:00
Kaveh R. Ghazi
79c9824ecb Warning fixes:
* Makefile.in (flow.o): Depend on recog.h.
        * cpplib.h (directive_table): Add missing initializiers.
        (finclude): Change type of variable `bsize' to size_t.
        * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
        * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
        * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
        `int' when comparing against one.
        (cpp_file_line_for_message): Mark parameter `pfile' with
        ATTRIBUTE_UNUSED.
        (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
        * flow.c: Include recog.h.
        (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
        * function.c (thread_prologue_and_epilogue_insns): Mark parameter
        `f' with ATTRIBUTE_UNUSED.
        (reposition_prologue_and_epilogue_notes): Likewise.
        * genopinit.c (gen_insn): Cast argument of ctype functions to
        `unsigned char'.
        * haifa-sched.c: Include recog.h.
        (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
        comparing against one.
        * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
        * mips-tfile.c (parse_end): Cast the argument of ctype function to
        `unsigned char'.
        (parse_ent): Likewise.
        (parse_input): Likewise.
        * optabs.c (init_libfuncs): Likewise.
        * protoize.c (find_rightmost_formals_list): Likewise.
        * recog.h (const_double_operand): Fix typo in prototype.
        * tlink.c (scan_linker_output): Cast the argument of ctype
        function to `unsigned char'.
        * toplev.c (check_lang_option): Cast the result of `strlen' to
        `int' when comparing against one.

From-SVN: r23155
1998-10-17 20:26:29 +00:00
Kaveh R. Ghazi
bf94d1ecc7 Add ATTRIBUTE_NORETURN in a bunch of places:
* cppalloc.c (memory_full): Mark function prototype with
	ATTRIBUTE_NORETURN.
	* demangle.h (collect_exit): Likewise.
	* fix-header.c (v_fatal, fatal): Likewise.
	* gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
	Likewise.
	* gcov.c (print_usage): Likewise.
	* genattr.c (fatal, fancy_abort): Likewise.
	* genattrtab.c (fatal, fancy_abort): Likewise.
	* gencodes.c (fatal, fancy_abort): Likewise.
	* genconfig.c (fatal, fancy_abort): Likewise.
	* genemit.c (fatal, fancy_abort): Likewise.
	* genextract.c (fatal, fancy_abort): Likewise.
	* genflags.c (fatal, fancy_abort): Likewise.
	* genopinit.c (fatal, fancy_abort): Likewise.
	* genoutput.c (fatal, fancy_abort): Likewise.
	* genpeep.c (fatal, fancy_abort): Likewise.
	* genrecog.c (fatal, fancy_abort): Likewise.
	* libgcc2.c (__eprintf, __default_terminate, __sjthrow,
	__sjpopnthrow, __throw): Likewise.
	* objc/objc-act.c (objc_fatal): Likewise.
	* protoize.c (usage, aux_info_corrupted,
	declare_source_confusing): Likewise.
	* rtl.c (dump_and_abort): Likewise.
	* rtl.h (sets_cc0_p): Likewise.
	* toplev.c (float_signal, pipe_closed): Likewise.

From-SVN: r23084
1998-10-14 10:37:09 +00:00
Andrew MacLeod
43566944af expr.h (eh_rtime_match_libfunc): New extern declaration.
Mon Sep 21 17:15:26 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>
	* expr.h (eh_rtime_match_libfunc): New extern declaration.
	* optabs.c (init_optabs): Set eh_rtime_match_libfunc.
	* except.c (start_catch_handler): Use eh_rtime_match_libfunc.
	* libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
	NULL. Only include <stdio.h> if inhibit_libc is not defined.

From-SVN: r22532
1998-09-21 14:23:16 +00:00
Andrew MacLeod
7ac2148be5 [multiple changes]
Thu Sep 17 16:42:16 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>
        * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
        re-align some code.
        * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
1998-09-17  Andrew MacLeod  <amacleod@cygnus.com>
        * exception.cc (__cplus_type_matcher): realign some code.

From-SVN: r22462
1998-09-17 13:55:51 +00:00
Richard Henderson
710384268d tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused.
* tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused.  Kill.
	(BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
	(BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
	(BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
	* c-decl.c (init_decl_processing): Update accordingly.
	* expr.c (expand_builtin): Likewise.
	* cp/decl.c (init_decl_processing): Likewise.
	* rtl.h (global_rtl): Add cfa entry.
	(virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
	(LAST_VIRTUAL_REGISTER): Update.
	* emit-rtl.c (global_rtl): Add cfa entry.
	(init_emit): Initialize it.
	* function.c (cfa_offset): New.
	(instantiate_virtual_regs): Initialize it.
	(instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
	(expand_function_end): Call expand_eh_return.
	* tm.texi (ARG_POINTER_CFA_OFFSET): New.
	* except.c (current_function_eh_stub_label): Kill.
	(current_function_eh_old_stub_label): Likwise; update all references.
	(expand_builtin_set_return_addr_reg): Kill.
	(expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
	(expand_builtin_set_eh_regs): Kill.
	(eh_regs): Produce a third reg for the actual handler address.
	(eh_return_context, eh_return_stack_adjust): New.
	(eh_return_handler, eh_return_stub_label): New.
	(init_eh_for_function): Initialize them.
	(expand_builtin_eh_return, expand_eh_return): New.
	* except.h: Update prototypes.
	* flow.c (find_basic_blocks_1): Update references to the stub label.
	* function.h (struct function): Kill stub label elements.
	* libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
	register number is one that would be in the previous window.
	Provide a dummy definition for non-windowed targets.
	(get_reg_addr): New function.
	(get_reg, put_reg, copy_reg): Use it.
	(__throw): Rely on in_reg_window, not INCOMING_REGNO.  Kill stub
	generating code and use __builtin_eh_return.  Use __builtin_dwarf_cfa.
	* alpha.c (alpha_eh_epilogue_sp_ofs): New.
	(alpha_init_expanders): Initialize it.
	(alpha_expand_epilogue): Use it.
	* alpha.h: Declare it.
	* alpha.md (eh_epilogue): New.
	* m68h.h (ARG_POINTER_CFA_OFFSET): New.
	* sparc.h (ARG_POINTER_CFA_OFFSET): New.

From-SVN: r22436
1998-09-15 12:19:12 -07:00
Andrew MacLeod
bf71cd2eaa [multiple changes]
Tue Sep 15 14:10:54 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>
        * except.h (struct eh_entry): Add false_label field.
        (end_catch_handler): Add prototype.
        * except.c (push_eh_entry): Set false_label field to NULL_RTX.
        (start_catch_handler): When using old style exceptions, issue
        runtime typematch code before continuing with the handler.
        (end_catch_handler): New function, generates label after handler
        if needed by older style exceptions.
        (expand_start_all_catch): No need to check for new style exceptions.
        (output_exception_table_entry): Only output the first handler label
        for old style exceptions.
        * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
        mechanism into one function, if a runtime matcher is provided.
1998-09-15  Andrew MacLeod  <amacleod@cygnus.com>
        * cp/except.c (expand_start_catch_block): No need to check for new
        exception model.
        (process_start_catch_block_old): Deleted.
        (process_start_catch_block): Add call to start_decl_1().
        (expand_end_catch_block): Add call to end_catch_handler().
        * cp/exception.cc (__cplus_type_matcher): Only check the exception
        language if there is an exception table.

From-SVN: r22425
1998-09-15 11:20:52 +00:00
Manfred Hollstein
bceb30e77b libgcc2.c (L_exit): Provide a fake for atexit on systems which define ON_EXIT but not HAVE_ATEXIT.
* libgcc2.c (L_exit): Provide a fake for atexit on systems which
        define ON_EXIT but not HAVE_ATEXIT.

From-SVN: r20982
1998-07-06 17:52:21 -06:00
Dave Love
10c301ac33 libgcc2.c (__eprintf): Make args consistent with prototype in assert.h.
* libgcc2.c (__eprintf): Make args consistent with prototype in
        assert.h.

From-SVN: r20943
1998-07-06 02:24:31 -07:00
Andrew MacLeod
48b24bcdfa libgcc2.c (__get_eh_table_version, [...]): New functions to return exception descriptor information.
Tue Jun 23 13:38:18 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>
	* libgcc2.c (__get_eh_table_version, __get_eh_table_language): New
	functions to return exception descriptor information.
	(find_exception_handler): Pass match_info field to runtime matcher,
	not a descriptor table entry.
	* exception.cc (__cplus_type_matcher): Get a match_info pointer
	instead of an exception table entry as a parameter.

From-SVN: r20673
1998-06-23 10:51:47 +00:00
Andrew MacLeod
5816cb14dd Have -fnew-exceptions actually use the runtime field, and not generate runtime checking code inside each handler.
Have -fnew-exceptions actually use the runtime field, and not generate
runtime checking code inside each handler.
THis works at low opt, but not with optimization at the moment.
Tue Jun 23 10:06:07 EDT 1998  Andrew MacLeod  (amacleod@cygnus.com)
	* eh-common.h (struct __eh_info): Remove coerced value field.
	* libgcc2.c (find_exception_handler): Don't set coerced_value field.
	* except.c (get_dynamic_handler_chain, get_dynamic_cleanup_chain): Use
	POINTER_SIZE instead of Pmode.
	(expand_start_all_catch): Call start_catch_handler() if we are not
	using new style exceptions.
1998-06-22  Andrew MacLeod  (amacleod@cygnus.com)
	* parse.y (function_try_block): Don't call start_catch_handler.
	* except.c (call_eh_info): Remove coerced field from declaration.
	(build_eh_type_type_ref): New function to create an address of a
	rtti function for the new style exception tables.
	(expand_start_catch_block): Split function, this contains the
	common part.
	(process_start_catch_block_old): New function to perform the rest
	of expand_start_catch_block under old style exceptions.
	(process_start_catch_block_old): New function to perform the rest
	of expand_start_catch_block under new style exceptions.
	(expand_end_catch_block): Only pop the false label off the stack under
	the old style of exceptions.
	* semantics.c (finish_try_block): Don't call start_catch_handler.
	* exception.cc (struct cp_eh_info): Add original_value field.
	(__cplus_type_matcher): Perform type matching on the original exception
	value, and if we have a match, set the current value.
	(__cp_push_exception): Set the original expcetion value.

From-SVN: r20671
1998-06-23 07:10:29 +00:00
Andrew MacLeod
d7e7852964 except.c (add_new_handler): fix bug in finding last region handler.
Wed Jun 17 16:25:38 EDT 1998  Andrew MacLeod  (amacleod@cygnus.com)
      * except.c (add_new_handler): fix bug in finding last region handler.
      * libgcc2.c (find_exception_handler): Pass exception table pointer
      to runtime type matcher, not the match info field.

From-SVN: r20541
1998-06-17 13:29:22 +00:00
Kaveh R. Ghazi
50b2596f67 Warning fixes:
* Makefile.in (varasm.o): Depend on dbxout.h.
	(cse.o): Depend on toplev.h and output.h.
	(gcse.o): Depend on output.h.
	* mips.c: Include system.h and toplev.h and remove redundant code.
	Include output.h after tree.h so all its prototypes get activated.
	* mips.md (table_jump): Remove unused variable `dest'.
	* sparc.h: Add prototype for `v8plus_regcmp_op'.
	* crtstuff.c (fini_dummy, init_dummy): Mark function definitions
	with __attribute__ ((__unused__)).
	(__frame_dummy): Provide prototype before use, wrap it with
	EH_FRAME_SECTION_ASM_OP.
	* cse.c: Move inclusion of <setjmp.h> above local headers.
  	Include toplev.h and output.h.
	* dbxout.h: Add prototype for `dbxout_begin_function'.
	* final.c (final_scan_insn): Wrap variable `max_skip' in macro
	ASM_OUTPUT_MAX_SKIP_ALIGN.
	* gcse.c: Include system.h and output.h.
	(dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
	Make extern instead of static.
	(compute_can_copy): Only declare variables `reg' and `insn' when
 	AVOID_CCMODE_COPIES is not defined.
	(record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
	(hash_scan_clobber): Likewise for `x' and `insn'.
	(hash_scan_call): Likewise.
	(record_last_set_info): Likewise for `setter'.
	(mark_call): Likewise for `pat'.
	(pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
	* libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
 	length parameter so that it multiplies the number of elements by
 	the sizeof(element).
	* output.h: Add prototype for `weak_finish'.
	* recog.h: Likewise for `validate_replace_src'.
	* rtl.h: Likewise for `optimize_save_area_alloca',
 	`fix_sched_param', `purge_addressof', `gcse_main',
 	`regmove_optimize', `dbr_schedule', `branch_prob' and
 	`end_branch_prob'.
	* toplev.h: Likewise for `set_float_handler' and
 	`output_quoted_string'.
	* varasm.c: Include dbxout.h.

From-SVN: r20351
1998-06-08 18:30:27 +00:00
Andrew MacLeod
a1622f838f [multiple changes]
Thu Jun  8 14:16:15 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>
	* eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
	flag_new_exceptions runtime flag.
	(struct old_exception_table): New struct which represents what
	the exception table looks like without the new model.
	(NEW_EH_RUNTIME): New value used as a tag in the exception table to
	flag that this is a new style table.
	* except.h: Remove compile time flag NEW_EH_MODEL.
	(expand_builtin_eh_stub_old): New prototype.
	* tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
	* expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
	* c-decl.c (init_decl_processing): Add new builtin function
	__builtin_eh_stub_old.
	* final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
	* flags.h (flag_new_exceptions): New runtime flag.
	* toplev.c (flag_new_exceptions): Initialize default to 0,
	-fnew-exceptions sets to 1.
	* except.c (output_exception_table_entry): Output New style exception
	identifier into table, and replace compile time flag NEW_EH_MODEL
	with runtime flag flag_new_exceptions.
	(output_exception_table): Replace compile time flag NEW_EH_MODEL.
	(expand_builtin_eh_stub_old): Duplicates original functionality of
	expand_builtin_eh_stub.
	(expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
	* libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
	(old_find_exception_handler): New func, same as find_exception_handler
	except it works on the old style exception table.
	(__throw): Replace NEW_EH_MODEL. Detect new model based on presence
	of identifier in the exception table, and call appropriate routines.
1998-06-08  Andrew MacLeod  <amacleod@cygnus.com>
	* except.c (init_exception_processing): Remove NEW_EH_MODEL compile
	time flag.  Call __cp_eh_info instead of __cp_exception_info.
	* exception.cc (struct cp_eh_info): Remove NEW_EH_MODEL flag.
	(__cp_exception_info): Return offset into cp_eh_info structure to
	match what use to be the start of this structure.
	(__cp_eh_info): New function to return a pointer to cp_eh_info struct.
	(__cplus_type_matcher, __cp_push_exception): Remove NEW_EH_MODEL
	compile time flag.
	(__uncatch_exception, __check_eh_spec, std::uncaught_exception): Call
	__cp_eh_info instead of __cp_exception_info.

From-SVN: r20336
1998-06-08 12:43:28 +00:00
Andrew MacLeod
9a0d1e1b11 First cut of changes to utilize the new exception handling model
From-SVN: r19746
1998-05-14 13:39:15 +00:00
Kaveh R. Ghazi
d6f4ec5199 Warning fixes:
* Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
	(c-lex.o): Depend on output.h.
	(c-common.o): Likewise.
	(stmt.o): Likewise.
	(calls.o): Likewise.
	(integrate.o): Depend on toplev.h.
	(regclass.o): Depend on output.h.
	(final.o): Depend on reload.h.
	* c-common.c: Include output.h.
	(check_format_info): Remove unused variable `integral_format'.
	* c-decl.c (print_lang_decl): Mark parameters `file', `node' and
	`indent' with ATTRIBUTE_UNUSED.
	(print_lang_type): Likewise.
	(maybe_build_cleanup): Likewise for parameter `decl'.
	(copy_lang_decl): Likewise for parameter `node'.
	* c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
	(lang_print_xnode): Mark parameters `file', `node' and `indent'
 	with ATTRIBUTE_UNUSED.
	(lookup_interface): Likewise for parameter `arg'.
	(is_class_name): Likewise.
	(maybe_objc_check_decl): Likewise for parameter `decl'.
	(maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
	`reflexive'.
	(maybe_objc_method_name): Likewise for parameter `decl'.
	(build_objc_string): Likewise for parameters `len' and `str'.
	* c-lex.c: Include output.h.
	* c-lex.h (position_after_white_space): Correct typo in prototype.
	* c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
 	c_expand_end_cond, init_iterators): Add prototypes.
	* caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
	with ATTRIBUTE_UNUSED.
	* calls.c: Include output.h.
	* cccp.c (pipe_closed): Mark parameter `signo' with
 	ATTRIBUTE_UNUSED.
	* combine.c: Move inclusion of expr.h to after insn-config.h.
	* iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
	as empty, rather define as ((void)0).
	* sparc.c (sparc_check_64): Add braces around ambiguous `else'.
	Add parentheses around assignment used as truth value.
	* cplus-dem.c (squangle_mop_up): Change return type to void.
	(internal_cplus_demangle): Remove unused parameter `options'.
	All callers changed.
	(cplus_demangle_opname): Remove function wide variable `int i' and
 	replace with `size_t i' at each location where it is used.
	(cplus_demangle_opname): change type of `i' from int to size_t.
	* cppexp.c (right_shift): Mark parameter `pfile' with
	ATTRIBUTE_UNUSED.
	* cpphash.c (cpp_lookup): Likewise.
	(cpp_hash_cleanup): Likewise.
	* cpplib.c (parse_name): Add a prototype and make it static.
	(null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
	(null_cleanup): Likewise for parameters `pbuf' and `pfile'.
	(macro_cleanup): Likewise for parameter `pfile'.
	(file_cleanup): Likewise.
	* cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
 	cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
	* crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
	__DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
	* cse.c (cse_check_loop_start): Mark parameter `set' with
 	ATTRIBUTE_UNUSED.
	* dbxout.c (flag_minimal_debug, have_used_extensions,
	source_label_number): Move inside macro wrapper check against
	defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
	* dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
	* except.h (doing_eh): Provide prototype.
	* expr.c: Move inclusion of expr.h to after insn-config.h.
	* final.c: Include reload.h.
	(shorten_branches): Cast the first argument of bzero to char *.
	* fix-header.c (cpp_print_containing_files): Mark parameter
 	`pfile' with ATTRIBUTE_UNUSED.
	(cpp_fatal): Likewise.
	* flow.c (find_basic_blocks_1): Cast the first argument of bzero
	to char *.
	* genattrtab.c (make_length_attrs): Change the type of variable
	`i' from int to size_t.
	(zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
	(one_fn): Likewise.
	* genextract.c (main): When generating insn-extract.c, mark
	variable `junk' with ATTRIBUTE_UNUSED.
	* gengenrtl.c (gencode): When generating genrtl.c, cast the first
	argument of bzero to char*.
	* integrate.c: Include toplev.h.
	* libgcc2.c: Wrap `struct exception_table' and
	`find_exception_handler' in macro DWARF2_UNWIND_INFO.
	* objc/Make-lang.in (objc-act.o): Depend on toplev.h.
	* objc/objc-act.c: Include toplev.h.
	(lang_print_xnode): Mark parameters `file', `node' and `indent'
	with ATTRIBUTE_UNUSED.
	(finish_protocol): Likewise for parameter `protocol'.
	* output.h (declare_weak): Add prototype.
	(decode_reg_name): Don't wrap with TREE_CODE macro.
	(assemble_alias): Add prototype.
	* regclass.c: Include output.h.
	* reload.h (reloads_conflict): Add prototype.
	* rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
	output_func_start_profiler): Add prototypes.
	* rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
 	ATTRIBUTE_UNUSED.
	* scan-decls.c: Include scan.h.
	* scan.h (recognized_function, recognized_extern): Add prototypes.
	* stmt.c: Include output.h.
	* toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
	(output_lang_identify): Hide prototype and definition.
	(float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
	(pipe_closed): Likewise.
	* toplev.h (count_error, strip_off_ending, error_for_asm,
 	warning_for_asm): Add prototypes.

From-SVN: r19712
1998-05-13 12:40:39 +00:00
Jeff Law
f5963e6170 * Check in merge from gcc2. See ChangeLog.12 for details.
From-SVN: r19553
1998-05-05 17:18:02 -06:00
Jim Wilson
f1f53f0b75 Partial fix for problem reported by Don Bowman.
* frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
	inhibit_libc is defined.

From-SVN: r19390
1998-04-23 12:57:57 -07:00
Jeff Law
c57b6780fe libgcc2.c (__floatdisf): Fix a couple typos.
8
        * libgcc2.c (__floatdisf): Fix a couple typos.

From-SVN: r19275
1998-04-17 15:39:12 -06:00
Kaveh R. Ghazi
2467749d6d Zap some warnings in target files:
* frame.c: Include stdlib.h and unistd.h to possibly get various
        function prototypes.  The fixproto script guarantees these header
        files exist on the target system.
        * libgcc2.c: Likewise.
        * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
        __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
        function parameters.
        * libgcc2.c (__udiv_w_sdiv): Likewise.

From-SVN: r19261
1998-04-17 08:26:33 +00:00
Jeff Law
e5e809f419 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
for details.

        * haifa-sched.c: Mirror recent changes from gcc2.

From-SVN: r18984
1998-04-04 06:32:39 -07:00
Stan Cox
216be67c6f (__main, __do_global_dtors, __do_global_ctors): For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
From-SVN: r18913
1998-03-30 14:33:55 +00:00
Philippe De Muyter
09b4ce121b * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
From-SVN: r18717
1998-03-19 13:24:35 -07:00
Kaveh R. Ghazi
081f5e7e66 Fix more warnings...
* c-lang.c (finish_file): Wrap variable `void_list_node' with macro
        test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
        * calls.c (emit_call_1): Wrap variable `already_popped' with macro
        test !ACCUMULATE_OUTGOING_ARGS.
        * collect2.c (write_c_file_glob): Wrap function definition in
        macro test !LD_INIT_SWITCH.
        * combine.c (try_combine): Wrap variables `cc_use' and
        `compare_mode' in macro test EXTRA_CC_MODES.
        * cpplib.c (do_ident): Remove unused variable `len'.
        (skip_if_group): Remove unused variables `at_beg_of_line' and
        `after_ident'.
        (cpp_get_token): Remove unused variable `dummy'.
        * dbxout.c (scope_labelno): Move static variable definition inside
        the one function scope where it is used.
        (dbxout_function_end): Wrap prototype and definition in
        macro test !NO_DBX_FUNCTION_END.
        * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
        in macro test !MIPS_DEBUGGING_INFO.
        * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
        into the scope where it is used.  Wrap empty else-statement body
        in braces.
        * fix-header.c: Fix typo in comment.
        (inf_skip_spaces): Cast results of INF_UNGET to (void).
        (check_protection, main): Likewise.
        * flow.c (find_basic_blocks_1): Remove dangling comment text.
        * function.c (contains): Wrap prototype and definition in macro
        test HAVE_prologue || HAVE_epilogue.
        (fixup_var_refs_1): Remove unused variable `width'.
        * gen-protos.c (main): Remove unused variable `optr'.
        * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
        * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
        (__sjpopnthrow): Remove unused variable `jmpbuf'.
        (__throw): Remove unused variable `val'.
        * protoize.c: Check for a previously existing definition before
        defining *_OK macros.
        * scan-decls.c (scan_decls): Remove unused variable `old_written'.

From-SVN: r18654
1998-03-18 07:18:06 +00:00
Teemu Torma
754d1a92e6 Patch from Teemu Torma to fix Solaris 2.6 EH failures.
* gthr.h: Changed the comment about return values.
	* gthr-solaris.h (__gthread_once): Do not use errno; return the
	error number instead of -1.
	(__gthread_key_create): Any non-zero return value is an error.
	* libgcc2.c (eh_context_initialize): Check for non-zero return
	value from __gthread_once.
	Check that the value of get_eh_context was really changed.

From-SVN: r18480
1998-03-11 04:07:25 -08:00
Kaveh R. Ghazi
5172371191 Fix warious warnings:
* c-aux-info.c: Include string.h/strings.h.
	* pa.c: Include stdlib.h.
	(pa_combine_instructions): Prototype the function.
	(pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
	(reloc_needed): Add default case for enumeration switch.
	(remove_useless_addtr_insns): Remove unused variable `all'.
	(hppa_expand_prologue): Add explicit braces to avoid
	ambiguous `else'.
	(output_function_epilogue): Remove unused variable `i'.
	(output_millicode_call): Remove unused variable `link'.
	(shadd_constant_p, forward_branch_p): Make the function static.
	(following_call): Explicitly declare to return int.
	(pa_reorg): Declare as void.
	(pa_combine_instructions): Declare as static void.  Add
	parentheses around && within ||.
	* pa.h: Add prototypes for pa_reorg, symbolic_operand,
	following_call, function_label_operand, lhs_lshift_cint_operand
	and zdepi_cint_p.
	* pa.md: Add parentheses around && within ||.
	* cppalloc.c: Include stdlib.h.
	* cpperror.c (cpp_print_containing_files): Remove unused variable
	`i'.  Fix format specifier in fprintf.
	* cse.c (cse_around_loop): Add explicit braces to avoid
	ambiguous `else'.
	(delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
	* expr.c (expand_expr): Add parentheses around && within ||.
	* final.c (app_enable): Replace fprintf with fputs where there are
	no format specifiers and no trailing argument after the string.
	Eg, when printing ASM_APP_ON/ASM_APP_OFF.
	(app_disable): Likewise.
	(final_end_function): Likewise.
	(final_scan_insn): Likewise.  Remove unused variable `set'.
	(profile_function): Wrap empty if-statement body in {} brackets.
	* function.c: Include stdlib.h.
	(pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
	(reposition_prologue_and_epilogue_notes): Add parentheses
	around assignment used as truth value.
	* integrate.c (expand_inline_function): Wrap variable
	`cc0_insn' in macro HAVE_cc0.
	* jump.c (jump_optimize): Wrap variable `q' in macro
	HAVE_cc0.  Remove unused variable `prev1'.
	* libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
	within ||.  Fix format specifier in fprintf.
	(__bb_init_prg): Add parentheses around assignment used as
	truth value.
	* local-alloc.c: Include stdlib.h.
	(requires_inout): Add parentheses around assignment used
	as truth value.
	* loop.c (analyze_loop_iterations): Wrap prototype and definition
	in macro HAVE_decrement_and_branch_on_count.
	(insert_bct, instrument_loop_bct): Likewise.
	(move_movables): Add parentheses around assignment used as
	truth value.
	(consec_sets_invariant_p): Likewise.
	(maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
	* objc/objc-act.c: Include stdlib.h.
	(lookup_method_in_protocol_list): Wrap empty else-statement body
	in braces.
	(lookup_protocol_in_reflist): Likewise.
	(objc_add_static_instance): Remove unused variables `decl_expr'
	and `decl_spec'.
	(get_objc_string_decl): Remove unused variable `decl'.
	(generate_static_references): Remove unused variables `idecl' and
	`instance'.
	(check_protocols): Wrap empty else-statement body in braces.
	* protoize.c: Include stdlib.h.
	(substr): Add parentheses around assignment used as truth value.
	(abspath): Likewise.
	(shortpath): Likewise.
	* regmove.c (fixup_match_1): Add parentheses around assignment
	used as truth value.
	* reload.c (push_secondary_reload): Remove unused variable `i'.
	(find_reloads): Add parentheses around assignment used as truth
	value.
	* reload1.c: Include stdlib.h.
	* rtl.h: Correct typo in prototype of offsettable_memref_p.
	* stmt.c (add_case_node): Add parentheses around assignment used
	as truth value.
	(case_tree2list): Likewise.
	* tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
	in macro VALID_MACHINE_DECL_ATTRIBUTE.  Wrap variable
	`type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
	(merge_attributes): Add explicit braces to avoid ambiguous
	`else'.
	* unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
	macro HAVE_cc0.
	* varasm.c: Include stdlib.h.

From-SVN: r18290
1998-02-28 07:06:53 +00:00
Robert Lipe
2e6a59892b Rats. Forgot to change copyrights on the first commit.
From-SVN: r17902
1998-02-13 05:40:34 +00:00
Robert Lipe
69d4ca36f4 c-lang.c (finish_file): Bracket declaration of static_ctors, static_dtors.
* c-lang.c (finish_file): Bracket declaration of static_ctors,
	static_dtors.
	* calls.c (expand_call): Bracket declaration of 'rtx_before_call',
	'old_stack_arg_under_construction'
	(emit_library_call): Bracket declaration of 'upper_bound',
	'lower_bound', 'i', 'reg_parm_stack_space'
	(emit_library_call_value): Likewise.
	(store_one_arg):
	* collect2.c: include <unistd.h> when appropriate.
	Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
	* emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
	* explow.c (plus_constant_for_output_wide): Remove unused variable
	'code'.
	(memory_address): Remove unused variable 'orig_x'.
	* genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
	(write_const_num_delay_slots): Remove unused variable 'i'.
	* genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
	(gen_insn): Remove unused variable 'obstack_ptr'.
        * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
        'j', 'tmp', 'i'.
	(__bb_exit_trace_func): Remove unused variable 'e'.
	* optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
	'funexp'.
	(expand_unop): Remove unused variable 'funexp'.
	(expand_complex_abs): Remove unused variable 'funexp'.
	(init_optabs): Bracket declaration of 'j'.
	(init_complex_libfuncs): Deleted.  Dead static function.
	* profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
	* reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
	(reg_to_stack): 'initialized', 'before_function_beg'
	explictly type as ints instead of defaulting.
	(emit_swap_insn): Remove unused variable 'i2'.
	(compare_for_stack_reg): Remove unused variable 'src_note'.
	* rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
	* sched.c (actual_hazard): Bracket declaration of 'this_cost'.
	* stmt.c (add_case_node): Add parens for assignment used as truth.
	(all_cases_count):  Remove unused variable 'count_high'.
	(mark_seen_cases): Remove unused variable 'i'.
	(check_for_full_enumeration_handling): Remove unused variable 't'.
	Bracket declaration of  'all_values', 'l'.
	* tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
	* varasm.c (assemble_string): Remove unused variable 'i'.
	(immed_double_const): Remove unused variable 'in_current_obstack'.
	(immed_real_const_1): Likewise.
	(output_constant_pool): Remove unreferenced label 'done'.
	(output_constant): Remove unused variable 'x'.
        * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
        a string.
        * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
        as truth.

From-SVN: r17901
1998-02-13 05:30:56 +00:00