1 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3 * fixincludes (sys/utsname.h): Provide forward declaration of
4 struct utsname on Ultrix V4.[35].
6 * mips.md (div_trap): Use local labels instead of dot-relative
9 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
11 * pa.md (branch, negated branch): Handle (const_int 0) as first
13 * pa.c (output_cbranch): Likewise.
15 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
17 * rs6000.c (rs6000_stack_info): Undo spurious part of last
20 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
22 * extend.texi (__builtin_constant_p): Add missing @smallexample.
24 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
26 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
28 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
30 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
31 (adddi_dishl32): Similarly.
33 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
34 for each insn in the skipped block.
36 * reload1.c (reload_as_needed): Verify that the insn satisfies its
37 constraints after replacing a register address with an autoincrement
38 address for reload inheritance purposes.
40 * i386.md (doubleword shifts): Avoid namespace pollution.
42 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
44 * configure.in (FreeBSD ELF): Needs special crt files.
46 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
48 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
50 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
52 * loop.c (check_dbra_loop): While reversing the loop, if the
53 comparison value has a VOID mode use the mode of the other operand
56 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
58 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
59 avoid warnings in compiling explow.c.
61 (patch from Ken Raeburn, raeburn@cygnus.com)
62 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
63 fpmem_offset. Compute total size after that, and then
64 rs6000_fpmem_offset using both values.
66 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
68 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
69 the future; indeed that already happens in some cases.
71 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
73 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
74 (arith_operand): Remove constant_p_rtx handling.
75 (const64_operand, const64_high_operand): Likewise.
76 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
77 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
78 (small_int_or_double, uns_small_int, zero_operand): Likewise.
79 * sparc.h (PREDICATE_CODES): Likewise.
81 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
83 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
85 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
86 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
87 consider constant CONSTRUCTOR constant and to defer some cases
89 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
90 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
92 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
94 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
95 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
97 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
98 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
99 (sext_add_operand, and_operand, or_operand): Likewise.
100 (reg_or_cint_operand, some_operand, input_operand): Likewise.
101 * alpha.h (PREDICATE_CODES): Likewise.
103 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
105 * version.c: Bump for snapshot.
107 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
109 * gengenrtl.c (gencode): Always use bzero to clear memory instead
110 of dangerous casts and stores.
112 * Makefile.in (compare, gnucompare): Add missing else true clauses.
114 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
116 * alpha.md (builtin_longjmp): Add missing "DONE".
118 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
120 * gcc.c (execute): Enable -pipe with win32.
122 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
124 * config/arm/t-arm-elf: Add multiplib option for leading
127 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
128 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
130 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
131 than variable 'reload_address_base_reg_class'. [Note this
132 change is unrelated to the others in this patch].
134 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
137 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
139 * alias.c (record_alias_subset): Remove ignored `&'.
140 (init_alias_once): Likewise.
142 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
144 * config/mips/mips.c (mips_asm_file_end): Cast the result of
145 fwrite to `int' when comparing against one.
147 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
148 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
150 * cse.c (rehash_using_reg): Change type of variable `i' to
153 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
156 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
158 * final.c (final_scan_insn): Likewise for variable `i'.
159 (output_asm_insn): Cast a char to unsigned char when used as an
162 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
165 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
167 * recog.c (preprocess_constraints): Cast a char to unsigned char
168 when used as an array index.
170 * regmove.c (find_matches): Likewise.
172 * reload1.c (calculate_needs): Add default case in switch.
173 (eliminate_regs_in_insn): Initialize variable `offset'.
174 (set_offsets_for_label): Change type of variable `i' to unsigned.
175 (reload_as_needed): Wrap variable `i' in macro check on
176 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
178 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
179 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
180 when comparing against one.
182 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
183 unsigned when comparing against one. Likewise for
184 GET_MODE_ALIGNMENT().
185 (layout_record): Cast record_align to int when comparing against a
187 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
190 * tree.c (get_identifier): Cast variable `len' to unsigned when
191 comparing against one.
192 (maybe_get_identifier): Likewise
194 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
196 * toplev.c (rest_of_compilation): Do not set reload_completed.
197 * reload1.c (reload): Set reload_completed before calling
198 cleanup_subreg_operands.
200 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
202 * reload1.c (emit_reload_insns): Check `set' not null before use.
204 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
206 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
209 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
211 * halfpic.c (half_pic_encode): Delete redundant code.
213 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
215 * toplev.c (main): Delete handling of -dM as a preprocessor
218 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
220 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
221 -dI, which are handled by the preprocessor.
223 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
225 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
226 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
228 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
230 * version.c: Bump for snapshot.
232 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
234 * version.c: Bump for snapshot.
236 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
238 * version.c: Bump for snapshot.
240 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
242 * genattr.c (fatal): Qualify a char* with the `const' keyword.
244 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
245 write_unit_name, write_eligible_delay, expand_units,
246 make_length_attrs, write_attr_case, find_attr,
247 make_internal_attr): Likewise.
248 * gencheck.c (tree_codes): Likewise.
249 * gencodes.c (fatal): Likewise.
250 * genconfig.c (fatal): Likewise.
251 * genemit.c (fatal): Likewise.
252 * genextract.c (fatal, walk_rtx, copystr): Likewise.
253 * genflags.c (fatal): Likewise.
254 * genopinit.c (fatal, optabs, gen_insn): Likewise.
255 * genoutput.c (fatal, error, predicates): Likewise.
256 * genpeep.c (fatal): Likewise.
257 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
258 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
260 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
262 * configure.in (with-fast-fixincludes): Fix whitespace.
263 * configure: Rebuilt.
265 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
266 asm() etc. function declarations in __DECC.
268 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
270 * expr.c (emit_move_insn_1): Only emit a clobber if the target
271 is a pseudo register.
273 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
275 * gcse.c: Include expr.h in order to get the prototype for
276 get_condition() which is used in delete_null_pointer_checks().
278 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
280 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
282 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
284 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
285 (ALL_CFLAGS): Delete SCHED_CFLAGS.
287 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
289 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
292 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
294 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
295 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
296 optimizations from the combiner.
298 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
300 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
302 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
304 * toplev.c (main): Disable optimize_size if a specific
305 optimization level is requested. Always set optimization
306 level to 2 if -Os is specified.
308 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
310 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
312 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
313 initialize it using fname.
315 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
317 * cpplib.c (do_include): Treat #include_next in the
318 primary source file as #include plus warning. Treat
319 #include_next in a file included by absolute path as an
320 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
322 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
324 * cccp.c: Don't define MIN/MAX anymore.
325 * cpplib.c: Likewise.
326 * machmode.h: Likewise.
327 * system.h: Provide definitions for MIN/MAX.
329 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
331 * fix-header.c: Don't define xstrdup here.
333 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
335 * loop.c (consec_sets_giv): New argument last_consec_insn.
336 (strength_reduce): Provide / use it.
338 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
340 * loop.h (loop_info): New field 'vtop'.
341 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
342 scanning loop for vtop.
343 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
344 (loop_iterations): Use them to determine if loop has a constant
345 number of iterations. Set loop_info->vtop. Don't subtract
346 common reg term from initial_value and final_value if have a
349 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
351 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
353 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
355 * mn10200.md (abssf2, negsf2): New expanders.
357 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
359 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
361 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
362 replaced by a CONCAT whoes components do not have the same
363 mode as the original SUBREG, use a new SUBREG to restore the
366 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
367 multiword complex values.
369 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
371 * cppalloc.c: Add xstrdup here.
372 * cpplib.h: Remove savestring prototype.
373 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
375 * cppfiles.c: s/savestring/xstrdup/ throughout.
377 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
379 * cpplib.c: Make all directive handlers read their own
381 (struct directive): Remove last two arguments from FUNC
382 member prototype. Remove `command_reads_line' member
384 (directive_table): Remove initializations of
385 command_reads_line flag. Pretty-print.
386 (eval_if_expression, do_define, do_line, do_include,
387 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
388 do_else, do_elif, do_sccs, do_assert, do_unassert,
389 do_warning): Take only two args.
391 (cpp_define): Call do_define with two args and the text to
392 define stuffed into a buffer.
393 (make_assertion): Call do_assert with two args.
394 (handle_directive): Call do_line with two args. Call
395 kt->func with two args. Remove command_reads_line
397 (do_define, do_undef, do_error, do_warning, do_pragma,
398 do_sccs): Read the rest of the line here.
399 (do_ident): Gobble rest of line, as cccp does.
400 (cpp_undef): New function.
401 (cpp_start_read): Call cpp_undef instead of do_undef.
403 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
405 * cpphash.h (union hash_value): Remove `keydef' member, add a
406 `struct hashnode *aschain' member for #assert.
408 * cpplib.c (struct tokenlist_list, struct
409 assertion_hashnode): Delete structure definitions.
410 (assertion_install, assertion_lookup, delete_assertion,
411 check_assertion, compare_token_lists, reverse_token_list,
412 read_token_list, free_token_list): Delete functions.
413 (parse_assertion): New function.
414 (cpp_cleanup): Don't destroy the assertion_hashtable.
416 (do_assert): Gut and rewrite. #assert foo (bar) places
417 entries for `#foo' and `#foo(bar)' in the macro hash table,
418 type T_ASSERT. The value union's `aschain' member is used
419 to chain all answers for a given predicate together.
420 (do_unassert): Also rewritten. Take an un-asserted
421 answer off the chain from its predicate and call
422 delete_macro on the hashnode, or walk a predicate chain
423 calling delete_macro on all the entries.
424 (cpp_read_check_assertion): Simply call parse_assertion to
425 get the canonical assertion name, and look that up in the
428 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
431 * cpphash.c (install): Use bcopy instead of an explicit loop
432 to copy the macro name.
434 * cppexp.c (cpp_lex): Convert the result of
435 cpp_read_check_assertion to a `struct operation' directly;
436 don't go through parse_number.
438 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
440 * loop.h (struct induction): Delete times_used member.
441 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
442 (n_times_used): Rename to n_times_set. Changed all users.
443 (scan_loop): Free reg_single_usage before strength reduction.
444 (record_giv, combine_givs): Remove handling of times_used member.
445 (combine_givs_used_once): Rename to:
446 (combine_givs_used_by_other) . Changed all callers.
448 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
450 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
451 instead of TREE_CODE_CLASS == 't'.
452 (gen_type_die): Likewise.
453 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
455 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
457 * real.c (endian): Disable last change unless
458 HOST_BITS_PER_WIDE_INT is greater than 32.
460 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
462 * output.h (force_data_section): New prototype.
463 * varasm.c (force_data_section): New function to force the
464 data section, regardless of what in_section thinks.
465 * dwarf2out.c (output_call_frame_info): Call force_data_section
466 since varasm may not realize we've changes sections.
468 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
470 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
471 after completeing reload.
473 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
474 deleted after reload.
476 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
478 * rtl.h (multiple_sets): Fix prototype.
479 * rtlanal.c (multiple_sets): Fix return type.
481 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
483 * version.c: Bump for snapshot.
485 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
487 * version.c: Bump for snapshot.
489 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
491 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
493 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
495 * rtl.h (recompute_reg_usage): Add second argument.
496 * flow.c (recompute_reg_usage): Likewise.
497 * toplev.c (rest_of_compilation): Supply second argument to
500 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
503 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
505 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
506 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
507 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
510 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
512 * rtlanal.c (multiple_sets): New function.
513 * rtl.h (multiple_sets): Declare it.
514 * local-alloc.c (wipe_dead_reg): Use it.
515 * global.c (global_conflicts): Likewise.
517 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
519 * global.c (record_conflicts): Don't use an array of shorts to
520 store an array of ints.
521 (global_conflicts): Likewise.
523 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
525 * alpha.c (alpha_expand_block_move): mode_for_size expects
526 bits, not bytes. Infer extra alignment from addressof.
528 1998-12-11 Michael Meissner <meissner@cygnus.com>
530 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
531 .sbss section, not .sdata.
533 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
535 * cccp.c: Do not #include <sys/stat.h> here; this is already done
537 * collect2.c: Likewise.
538 * cpplib.h: Likewise.
541 * getpwd.c: Likewise.
542 * protoize.c: Likewise.
543 * toplev.c: Likewise.
545 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
546 and don't try to define it here.
547 * Makefile.in (cppmain.o): Depend on machmode.h.
548 (cpplib.o): Likewise.
549 (cpperror.o): Likewise.
550 (cppexp.o): Likewise.
551 (cppfiles.o): Likewise.
552 (cpphash.o): Likewise.
553 (cppalloc.o): Likewise.
554 (fix-header.o): Likewise.
555 (scan-decls.o): Likewise.
557 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
559 * sh.c (print_operand): lookup interrupt_handler attribute instead
560 of relying on static variable.
561 * (calc_live_regs): Likewise.
562 * (sh_pragma_insert_attributes): Create interrupt_handler
563 attribute if a pragma was specified
564 * (sh_valid_machine_decl_attribute): Don't set static flag.
565 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
567 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
569 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
570 to determine if a register is live at a jump destination.
571 Everything is dead at a BARRIER.
573 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
575 * cse.c (simplify_unary_operation): Sign-extend constants when
576 they have the most significant bit set for the target.
577 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
579 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
580 HOST_WIDE_INT temporary before negating it.
581 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
583 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
585 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
588 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
590 * collect2.h: New header file for prototypes.
592 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
594 * collect2.c: Include collect2.h.
597 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
599 * flow.c: Update some comments.
601 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
603 * objc/objc-act.c (cpp_initialized): Removed.
604 (lang_init_options): Initialize cpplib.
605 (lang_decode_option): Move initialization of cpplib to
607 * c-lang.c: (parse_options,parse_in): Added.
608 (lang_init_options): Initialized cpplib here.
609 * c-decl.c (parse_options,cpp_initialized): Removed.
610 (c_decode_option): Move initialization of cpplib to
613 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
615 * reload1.c (reload_combine, reload_combine_note_store):
616 Make STORE_RUID always valid.
617 (reload_combine): Check if BASE is clobbered too early.
619 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
621 * reload.c (find_reloads): Display the insn that cannot be
624 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
626 * cccp.c (create_definition): Fix end of bufer logic.
628 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
630 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
631 pointer parameters changed to use the PARAMS() macro.
633 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
635 * except.h (struct handler_info): Add handler_number field.
636 * except.c (gen_exception_label): EH labels no longer need to be
637 on the permanent obstack.
638 (get_new_handler): Set the label number field.
639 (output_exception_table_entry): Regenerate handler label reference
640 from the label number field.
641 (init_eh): Remove a blank line.
642 * integrate.c (get_label_from_map): Labels no longer need to be
643 on the permanent obstack.
645 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
647 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
648 only when OUTER_CODE is SET.
650 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
652 * loop.c (strength_reduce): If scan_start points to the loop exit
653 test, be wary of subversive use of gotos inside expression statements.
654 Don't set maybe_multiple for a backward jump that does not
655 include the label under consideration into its range.
656 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
658 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
660 * explow.c (plus_constant_wide): Don't immediately return with
661 result of recursive call.
663 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
665 * eh-common.h (struct eh_context): Add table_index for rethrows.
667 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
668 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
669 processed when inlined or unrolled (ie duplicated in some way).
671 * rtl.c (reg_note_name): Add strings for new reg_note enums.
673 * expr.h (rethrow_libfunc): New library decl.
675 * optabs.c (rethrow_libfunc): Initialize.
677 * except.h (struct eh_entry): Add new field 'rethrow_label'.
678 (new_eh_region_entry): No longer exported from except.c.
679 (duplicate_handlers): Renamed to duplicate_eh_handlers and
681 (rethrow_symbol_map, rethrow_used): New exported functions.
682 (eh_region_from_symbol): New exported function.
684 * except.c (create_rethrow_ref): New function to create a single
685 SYMBOL_REF for a rethrow region.
686 (push_eh_entry): Initialize a rethrow ref.
687 (func_eh_entry): Add a rethrow_label field.
688 (new_eh_region_entry): Make static, and initialize the rethrow entry.
689 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
690 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
691 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
692 a region into an appropriate new symbol.
693 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
694 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
695 (end_catch_handler): Emit a barrier for new-exceptions since
696 control can never drop through the end of a catch block.
697 (expand_end_all_catch): new-exceptions never fall through a catch
699 (expand_rethrow): use __rethrow routine for new exceptions.
700 (output_exception_table_entry): Generate rethrow labels, if needed.
701 (output_exception_table): Generate start and end rethrow labels.
702 (init_eh): Create rethrow symbols for beginning and end of table.
703 (scan_region): Don't eliminate EH regions which are the targets of
706 * flow.c (make_edges): Add different edges for rethrow calls,
707 identified by having the REG_EH_RETHROW reg label.
708 (delete_unreachable_blocks): Don't delete regions markers which are
709 the target of a rethrow.
711 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
712 allow save_for_inline_copying to call duplicate_eh_handlers.
713 (save_for_inline_copying): Call duplicate_eh_handlers instead of
714 exposing internal details of exception regions.
715 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
716 (expand_inline_function_eh_labelmap): New callback routine to
717 allow expand_inline_function to call duplicate_eh_handlers.
718 (expand_inline_function): Call duplicate_eh_handlers instead of
719 exposing internal details of exception regions.
720 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
723 * libgcc2.c (find_exception_handler): Generalize to enable it to
724 pick up processing where it left off last time for a rethrow.
725 (__unwinding_cleanup): New function. debug hook which is called before
726 unwinding when __throw finds there is nothing but cleanups left.
727 (throw_helper): Common parts of __throw extracted out for reuse.
728 (__throw): Common parts moved to throw_helper.
729 (__rethrow): New function for performing rethrows.
731 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
733 * reload1.c (current_function_decl): Tweak declaration.
735 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
737 * c-decl.c (flag_isoc9x): Default off.
738 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
739 * cccp.c (print_help, main): Likewise.
740 * gcc.c (default_compilers): Update for -std=gnu*.
742 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
744 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
745 * demangle.h: Deleted.
747 * reload1.c (current_function_decl): Declare.
749 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
751 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
753 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
755 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
757 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
759 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
761 * configure: Rebuilt.
762 * system.h: If the *_unlocked functions are available use them
763 instead of the locked counterparts by defining macros.
764 * config.in: Regenerated.
766 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
768 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
769 wrong and should only be used for dump related things, not
770 debugging information, instead main_input_filename should be used.
771 Also, reuse output_file_directive if possible.
772 * i386/aix386ng.h (ASM_FILE_START): Likewise.
773 * i386/isc.h (ASM_FILE_START): Likewise.
774 * i386/win-nt.h (ASM_FILE_START): Likewise.
775 * i386/sun386.h (ASM_FILE_START): Likewise.
777 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
779 * configure.in (mips*-*-linux*): Handle big and little endian
781 * configure: Rebuilt.
783 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
785 * emit-rtl.c: Fix typo.
787 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
789 * reload1.c (eliminate_regs): Don't do anything, if we're not
792 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
794 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
796 * mips/mips.c (mips_select_section): Add comment.
798 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
800 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
801 characters in file names in #line to be consistent with #include
802 handling. We support escape prcessing in the # 1 "..." version of
803 the command. See also support in cp/lex.c.
804 (handle_directive): Likewise.
807 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
809 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
810 so it'll work on non-ASCII platforms. Always consider $ an
811 identifier character. Take no arguments.
812 (cpp_reader_init): Call initialize_char_syntax with no
814 (cpp_start_read): Don't call initialize_char_syntax again.
815 Clear is_idchar['$'] and is_idstart['$'] if not
816 opts->dollars_in_ident.
818 * cpplib.h (struct cpp_reader): Replace void *data element by
819 cpp_options *opts. Rearrange elements to make gdb printout
820 less annoying (put buffer stack at end).
821 (CPP_OPTIONS): Get rid of now-unnecessary cast.
823 * cppmain.c: s/data/opts/ when initializing cpp_reader
825 * c-decl.c: Likewise.
826 * objc/objc-act.c: Likewise.
827 * fix-header.c: Likewise.
829 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
831 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
832 with a struct file_name_list pointer.
833 (struct cpp_reader): Add pointer to chain of `actual
834 directory' include searchpath entries.
835 (struct file_name_list): Add *alloc pointer for the sake of
836 the actual-directory chain.
838 Move definition of HOST_WIDE_INT here.
839 (cpp_parse_escape): Change prototype to match changes in
842 * cppfiles.c (actual_directory): New function.
843 (finclude): Use it to initialize the buffer's actual_dir
845 (find_include_file): We don't need to fix up max_include_len
848 * cpplib.c (do_include): Don't allocate a file_name_list on
849 the fly for current directory "" includes, use the one that's
850 been preallocated in pfile->buffer->actual_dir. Hoist out
851 duplicate code from the search_start selection logic.
852 (cpp_reader_init): Initialize pfile->actual_dirs.
854 Remove definition of HOST_WIDE_INT. Change calls
855 to cpp_parse_escape to match changes in cppexp.c (note
856 hardcoded MASK, which is safe since this is the source
859 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
860 to handle wide character constants in #if directives. The
861 function now returns a HOST_WIDE_INT, and takes a third
862 argument which is a binary mask for all legal values (0x00ff
863 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
864 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
865 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
867 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
869 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
871 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
873 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
874 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
875 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
877 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
879 * final.c (output_asm_name): Use tabs to seperate comments from
882 Include instruction lengths (if defined) in output.
884 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
886 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
887 in the loop_info structure.
889 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
891 * configure.in: (arm*-*-ecos-elf): New target.
892 * configure: Regenerated.
893 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
894 * config/arm/ecos-elf.h: New file.
895 * config/arm/unknown-elf.h (TARGET_VERSION): Check
898 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
900 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
902 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
904 * version.c: Bump for snapshot.
906 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
908 * loop.c (check_dbra_loop): New argument loop_info. Update fields
911 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
913 * version.c: Bump for snapshot.
915 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
917 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
918 compressed reports are ok and preferred over URLs
920 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
922 * invoke.texi (Warning Options): Soften the tone of -pedantic
924 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
926 * print-rtl.c (print_rtx): Add prototype.
928 * unroll.c (iteration_info): Make it static.
930 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
932 * alias.c (memrefs_conflict_p): A second ANDed address
933 disables the aligned address optimization.
935 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
937 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
940 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
942 * i960.h (BOOL_TYPE_SIZE): Define.
944 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
946 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
947 from old valid_parallel_operands_4.
948 (valid_parallel_operands_4): Check that operands for 4 operand
949 parallel insns are valid, excluding load/store insns.
950 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
951 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
952 valid_parallel_load_store instead of valid_parallel_operands_4.
953 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
954 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
955 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
956 *notqi_movqi_clobber): Use valid_parallel_operands_4.
957 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
958 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
959 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
961 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
963 * config/c4x/c4x.c (iteration_info): Delete extern.
965 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
967 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
969 * final.c (cleanup_subreg_operands): Delete some unused code.
971 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
972 (struct insn_alternative): New structure definition.
973 (recog_op_alt): Declare variable.
974 (preprocess_constraints): Declare function.
975 * recog.c (recog_op_alt): New variable.
976 (extract_insn): Verify number of alternatives is in range.
977 (preprocess_constraints): New function.
978 * reg-stack.c: Include recog.h.
979 (constrain_asm_operands): Delete.
980 (get_asm_operand_lengths): Delete.
981 (get_asm_operand_n_inputs): New function.
982 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
983 N_OUTPUTS args. All callers changed.
984 Compute number of inputs and outputs here by calling
985 get_asm_operand_n_inputs.
986 Instead of constrain_asm_operands, call extract_insn,
987 constrain_operands and preprocess_constaints. Use information
988 computed by these functions throughout.
989 (record_reg_life): Delete code that is unused due to changes in
991 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
992 N_INPUTS and N_OUTPUTS args. All callers changed.
993 Similar changes as in record_asm_reg_life.
994 (subst_stack_regs): Move n_operands declaration into the if statement
996 Delete code that is unused due to changes in subst_asm_stack_regs.
997 * stmt.c (expand_asm_operands): Verify number of alternatives is in
999 * Makefile.in (reg-stack.o): Depend on recog.h.
1001 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1003 * except.c (set_exception_version_code): Argument is an "int".
1005 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1007 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1008 * configure: Rebuilt.
1010 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1012 * configure.in (mipsel-*-linux*): New target.
1013 * mips/linux.h: New file, based on other Linux targets.
1015 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1017 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1018 runs in the context of the deleter, not the deletee, so we must
1019 use taskVarGet to find the correct memory to free.
1020 (__gthread_key_create): Initialize the task
1021 variable subsystem so that the task variable is still active when
1022 the delete hook is run.
1024 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1026 * pdp11.h: Use optimize_size for space optimizations.
1027 * pdp11.c: Likewise.
1028 * pdp11.md: Likewise.
1030 * pdp11.h (TARGET_40_PLUS): Fix typo.
1032 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1034 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1037 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1039 * alias.c (addr_side_effect_eval): New function.
1040 (memrefs_conflict_p): Use it.
1041 * rtl.h (addr_side_effect_eval): Prototype it.
1043 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1045 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1047 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1049 * reload.c (find_reloads): When force const to memory, put result
1050 in substed_operand not *recog_operand_loc.
1052 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1054 * c-lex.c: Fix indentation from last patch.
1055 Remove trailing whitespace.
1058 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1060 * flow.c (delete_block): Call set_last_insn after we have reset
1061 NEXT_INSN (kept_tail).
1063 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1065 * mips.md (trap_if): Use "$0" for the value zero.
1067 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1068 Stephen L Moshier <moshier@world.std.com>
1069 Richard Henderson <rth@cygnus.com>
1071 * c-common.c (declare_function_name): Declare predefinied variable
1074 * c-decl.c (flag_isoc9x): Set to 1 by default.
1075 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1076 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1078 * c-parse.in: Allow constructors in ISO C 9x.
1079 Rewrite designator list handling.
1080 Allow [*] parameters.
1081 Don't warn about comma at end of enum definition for ISO C 9x.
1083 * cccp.c (c9x): New variable.
1084 (rest_extension): New variable.
1085 (print_help): Document new -std= option.
1086 (main): Recognize -std= option. Set c9x appropriately.
1087 (create_definition): Recognize ISO C 9x vararg macros.
1089 * gcc.c (default_compilers): Adjust specs for -std options.
1090 (option_map): Add --std.
1091 (display_help): Document -std.
1093 * toplev.c (documented_lang_options): Add -std and remove
1096 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1097 or REAL_VALUE_HTOF based on base of the constants.
1098 * fold-const.c (real_hex_to_f): New function. Replacement function
1099 for hex FP conversion if REAL_ARITHMETIC is not defined.
1100 * real.c (asctoeg): Add handling of hex FP constants.
1101 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1104 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1106 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1107 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1108 expansion. Use hi/lo as destination register.
1110 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1111 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1112 Avoid as macro expansion. Use hi/lo as destination register.
1114 * mips.h (MASK_CHECK_RANGE_DIV): New.
1115 (MASK_NO_CHECK_ZERO_DIV): New.
1116 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1117 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1118 return address for leaf functions out of r31 to support
1119 builtin_return_address.
1121 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1123 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1124 NEXT_INSN(x) to check insn x.
1126 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1128 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1129 last insn in the rtl chain.
1131 * reload1.c (reload): Do not set reload_completed or split insns
1133 * toplev.c (rest_of_compilation): Set reload_completed after
1134 reload returns. Split insns after reload_cse has run.
1136 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1138 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1140 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1142 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1144 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1146 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1147 use of user-label_prefix.
1149 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1151 * reload1.c (emit_reload_insns): Clear spill_reg_store
1152 when doing a new non-inherited reload from the same pseudo.
1154 * local-alloc.c (function_invariant_p): New function.
1155 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1156 to decide if an equivalence should be recorded.
1157 * reload1.c (num_eliminable_invariants): New static variable.
1158 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1159 to decide if an equivalence should be recorded.
1161 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1162 Take num_eliminable_invariants into account when deciding
1163 if register elimination should be done.
1164 (reload_as_needed): Take num_eliminable_invariants into account
1165 when deciding if register elimination should be done.
1166 (eliminate_regs): Handle non-constant reg_equiv_constant.
1167 * rtl.h (function_invariant_p): Declare.
1169 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1171 * version.c: Bump for snapshot.
1173 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1175 * version.c: Bump for snapshot.
1177 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1179 * except.c (add_new_handler): Complain about additional handlers
1180 after one that catches everything.
1182 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1184 * configure.in (alpha*-*-netbsd): Fix typo.
1185 * configure: Rebuilt.
1187 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1189 * system.h: Include libiberty.h.
1191 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1192 function `concat' from fixed parameters to variable parameters,
1193 as is done in libiberty. All callers of concat/concat3
1194 changed to use the new `concat' with variable args.
1196 * cccp.c: Remove things made redundant by libiberty.h and/or
1197 conform to libiberty standards.
1199 * collect2.c: Likewise.
1200 * config/1750a/1750a.h: Likewise.
1201 * cppalloc.c: Likewise.
1202 * cppexp.c: Likewise.
1203 * cppfiles.c: Likewise.
1204 * cpphash.c: Likewise.
1205 * cpplib.c: Likewise.
1206 * dyn-string.c: Likewise.
1207 * fix-header.c: Likewise.
1210 * genattr.c: Likewise.
1211 * genattrtab.c: Likewise.
1212 * gencheck.c: Likewise.
1213 * gencodes.c: Likewise.
1214 * genconfig.c: Likewise.
1215 * genemit.c: Likewise.
1216 * genextract.c: Likewise.
1217 * genflags.c: Likewise.
1218 * gengenrtl.c: Likewise.
1219 * genopinit.c: Likewise.
1220 * genoutput.c: Likewise.
1221 * genpeep.c: Likewise.
1222 * genrecog.c: Likewise.
1223 * getpwd.c: Likewise.
1224 * halfpic.c: Likewise.
1226 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1227 in NEED_DECLARATION_* macros.
1229 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1230 conform to libiberty standards.
1231 (fatal): Fix const-ification of variable `format' in
1232 !ANSI_PROTOTYPES case.
1234 * prefix.c: Remove things made redundant by libiberty.h and/or
1235 conform to libiberty standards.
1237 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1238 conflicting with function `spaces' from libiberty.
1240 * profile.c: Remove things made redundant by libiberty.h and/or
1241 conform to libiberty standards.
1242 * protoize.c: Likewise.
1245 * tlink.c: Likewise.
1246 * toplev.c: Likewise.
1247 * toplev.h: Likewise.
1250 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1252 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1254 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1256 * README.C4X: Updated URLs.
1257 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1258 (valid_parallel_operands_5): Remove unused variable.
1260 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1262 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1264 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1266 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1267 which can be configured.
1268 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1269 (Makefile): Pass actual LANGUAGES through the environment when
1271 (cstamp-h): Likewise.
1272 (config.status): Likewise.
1274 * configure.in (enable_languages): Add new configuration parameter
1275 "--enable-languages=lang1,lang2,...".
1276 (${srcdir}/*/config-lang.in): Change handling to configure only
1277 those directories, that the user might have enabled; default to
1278 "all" existing languages.
1279 * configure: Regenerate.
1281 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1283 * rtlanal.c (regs_set_between_p): New function.
1284 * rtl.h (regs_set_between_p): Prototype it.
1285 * jump.c (jump_optimize): Use it instead of modified_between_p
1286 in the Sep 2 change.
1288 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1289 Matthias Pfaller <leo@dachau.marco.de>
1291 * invoke.texi (Option Summary, NS32K Options): add description
1292 of NS32K specific options.
1294 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1295 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1296 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1297 negdf2, absdf2): Use l instead of f since the double class and
1298 float class are no longer the same.
1299 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1300 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1301 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1302 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1304 (cmpsi, cmphi, cmpqi): use general_operand instead of
1305 non_immediate_operand. Removes erroneous assumption that can't
1307 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1308 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1310 (movstrsi, movstrsi1, movstrsi2): completely new block move
1312 (...): Patterns to exploit multiply-add instructions.
1313 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1314 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1315 patterns to exploit extended divide insns.
1316 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1319 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1320 float return values as well as simple scalar floats.
1321 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1322 support new flag to denote 32381 fpu.
1323 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1324 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1326 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1327 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1328 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1329 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1330 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1331 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1332 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1333 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1334 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1335 fpu registers and special register classes for new 32381
1336 instructions dotf and polyf.
1337 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1339 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1340 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1342 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1343 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1344 (REGISTER_MOVE_COST): move code to register_move_cost function for
1345 ease of coding and debugging.
1346 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1347 LONG_FLOAT_REGO is likely spilled but not caught by default
1349 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1350 instead of hard coded numbers in range check.
1351 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1352 (...): Add prototypes for functions in ns32k.c but disable because
1353 of problems when ns32k.h is included in machine independant files.
1355 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1356 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1357 hard_regno_mode_ok, secondary_reload_class,
1358 print_operand, print_operand_address): new register scheme to
1359 include 32381 fpu registers and special register classes for new
1360 32381 instructions dotf and polyf.
1361 (gen_indexed_expr): Make static to keep namespace clean.
1362 (check_reg): remove since never called.
1363 (move_tail, expand_block_move): helper functions for "movstrsi"
1365 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1366 Increase cost of moves which go via memory.
1367 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1368 (CPP_PREDEFINES): nolonger predefine "unix".
1370 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1371 Remove erroneous %$. print_operand() can work out from the rtx is
1372 an immediate prefix is required.
1374 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1375 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1376 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1378 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1381 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1382 Correct handling of pic operands.
1383 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1384 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1385 -mrtd calling convention.
1387 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1389 * gcc.c (option_map): Recognize --output-class-directory.
1391 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1393 * loop.h (precondition_loop_p): Added new mode argument.
1394 * unroll.c (precondition_loop_p): Likewise.
1395 (approx_final_value): Function deleted and subsumed
1396 into loop_iterations.
1397 (loop_find_equiv_value): New function.
1398 (loop_iterations): Use loop_find_equiv_value to find increments
1399 too large to be immediate constants. Also use it to find terms
1400 common to initial and final iteration values that can be removed.
1402 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1404 * loop.h (struct loop_info): Define new structure.
1405 (precondition_loop_p): Added prototype.
1406 (unroll_loop): Added new argument loop_info to prototype.
1407 (final_biv_value, final_giv_value): Added new argument n_iterations
1409 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1410 and new pointer loop_info.
1411 (loop_n_iterations): Replace global variable by element in
1412 loop_info structure.
1413 (check_final_value): New argument n_iterations.
1414 (insert_bct): New argument loop_info.
1415 (loop_unroll_factor): Replace global array by element in
1416 loop_info structure.
1417 (loop_optimize): Remove code to allocate and initialise
1418 loop_unroll_factor_array.
1419 * unroll.c (precondition_loop_p): No longer static since
1420 used by branch on count optimization.
1421 (precondition_loop_p, unroll_loop): New argument loop_info.
1422 (final_biv_value, final_giv_value, find_splittable_regs): New
1423 argument n_iterations.
1424 (loop_iteration_var, loop_initial_value, loop_increment,
1425 loop_final_value, loop_comparison_code, loop_unroll_factor):
1426 Replaced global variables by loop_info structure.
1427 (loop_unroll_factor): Replace global array by element in
1428 loop_info structure.
1430 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1432 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1435 * unroll.c (precondition_loop_p): Return loop_initial_value
1436 for initial_value instead of loop_iteration_var.
1438 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1440 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1441 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1442 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1443 to output the instruction sequences.
1445 (rptb_top): Provide alternatives to use any register or memory
1447 (rptb_end): Emit use of operands rather than assigning them
1448 explicitly to the RS and RE registers.
1450 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1452 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1453 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1454 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1455 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1456 c4x_merge_notes, c4x_parallel_process,
1457 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1458 c4x_combine_parallel): Delete.
1460 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1462 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1463 with old target options clear flag_branch_on_count_reg if
1464 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1466 (c4x_output_cbranch): Handle a sequence of insns rather than a
1468 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1469 has not been allocated as the loop counter.
1470 (c4x_address_conflict): Do not allow two volatile memory references.
1471 (valid_parallel_operands_4, valid_parallel_operands_5,
1472 valid_parallel_operands_6): Reject pattern if the register destination
1473 of the first set is used as part of an address in the second set.
1475 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1477 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1478 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1479 is no longer enabled if PARALLEL_MPY_FLAG set.
1480 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1481 (REG_CLASS_CONTENTS): Add braces around initializers.
1482 (HAVE_MULTIPLE_PACK): Define.
1483 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1484 REAL_VALUE_TO_DECIMAL.
1485 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1486 REAL_VALUE_TO_DECIMAL.
1487 (ar0_reg_operand): Add prototype.
1488 (ar0_mem_operand): Likewise.
1489 (ar1_reg_operand): Likewise.
1490 (ar1_mem_operand): Likewise.
1491 (ar2_reg_operand): Likewise.
1492 (ar2_mem_operand): Likewise.
1493 (ar3_reg_operand): Likewise.
1494 (ar3_mem_operand): Likewise.
1495 (ar4_reg_operand): Likewise.
1496 (ar4_mem_operand): Likewise.
1497 (ar5_reg_operand): Likewise.
1498 (ar5_mem_operand): Likewise.
1499 (ar6_reg_operand): Likewise.
1500 (ar6_mem_operand): Likewise.
1501 (ar7_reg_operand): Likewise.
1502 (ar7_mem_operand): Likewise.
1503 (ir0_reg_operand): Likewise.
1504 (ir0_mem_operand): Likewise.
1505 (ir1_reg_operand): Likewise.
1506 (ir1_mem_operand): Likewise.
1507 (group1_reg_operand): Likewise.
1508 (group1_mem_operand): Likewise.
1509 (ir1_reg_operand): Likewise.
1510 (arx_reg_operand): Likewise.
1511 (not_rc_reg): Likewise.
1512 (not_modify_reg): Likewise.
1513 (c4x_group1_reg_operand): Remove prototype.
1514 (c4x_group1_mem_operand): Likewise.
1515 (c4x_arx_reg_operand): Likewise.
1517 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1519 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1520 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1522 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1524 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1527 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1529 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1530 unless FMOVD_WORKS is defined.
1532 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1534 * regclass.c (init_reg_sets): Move code that calculates tables
1535 dependent on reg_class_contents from here...
1536 (init_reg_sets_1): To here.
1538 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1540 * cpplib.h: Delete struct import_file. Add ihash element to
1541 struct cpp_buffer. Delete dont_repeat_files and
1542 import_hash_table elements from cpp_reader; change
1543 all_include_files to a hash table. Delete all foobar_include
1544 / last_foobar_include elements from struct cpp_options; put
1545 back four such: quote_include, bracket_include,
1546 system_include, after_include. Redo struct file_name_list
1547 completely. Add new structure type include_hash. Add
1548 prototypes for merge_include_chains and include_hash. Change
1549 prototypes for finclude, find_include_file, and
1550 append_include_chain to match changes below.
1552 * cppfiles.c (simplify_pathname, include_hash,
1553 remap_filename, merge_include_chains): New functions.
1554 (add_import, lookup_import, open_include_file): Removed.
1555 (INO_T_EQ): Define this (copied from cccp.c).
1556 (hack_vms_include_specification): Remove all calls and #if 0
1557 out the definition. It was being called incorrectly and at
1558 the wrong times. Until a VMSie can look at this, it's better
1559 to not pretend to support it.
1560 (append_include_chain): Change calling convention; now takes
1561 only one directory at a time, and sets up the data structure
1563 (redundant_include_p): Rewritten - this is now used for all
1564 include redundancy, whether by #ifndef, #import, or #pragma
1565 once. Looks up things in the include hash table.
1566 (file_cleanup): Decrement pfile->system_include_depth here if
1568 (find_include_file): Calling convention changed; now passes
1569 around a struct include_hash instead of 3 separate parameters.
1570 Guts ripped out and replaced with new include_hash mechanism.
1571 (finclude): Calling convention changed as for
1572 find_include_file. Error exits pulled out-of-line. Reformat.
1573 (safe_read): Return a long, not an int.
1574 (deps_output): Don't recurse.
1576 * cpplib.c (is_system_include): Deleted.
1577 (path_include): Fix up call to append_include_chain.
1578 (do_include): Fix up calls to find_include_file and finclude.
1579 Clean up dependency output a bit. Shorten obnoxiously lengthy
1580 #import warning message. Don't decrement
1581 pfile->system_include_depth here.
1582 (do_pragma): Understand the include_hash structure. Reformat.
1583 (do_endif): Correct handling of control macros. Understand
1585 (cpp_start_read): Fix up calls to finclude. Call
1586 merge_include_chains.
1587 (cpp_handle_option): Fix up calls to append_include_chain.
1588 Understand the four partial include chains.
1589 (cpp_finish): Add debugging code (#if 0-ed out) for the
1591 (cpp_cleanup): Free the include_hash, not the import hash and
1592 the all_include and dont_repeat lists which no longer exist.
1594 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1596 * toplev.c (no_new_pseudos): Define.
1597 (rest_of_compilation): Set no_new_pseudos as needed.
1598 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1599 if no_new_pseudos is set.
1600 * rtl.h (no_new_pseudos): Declare it.
1601 * reload1.c (reload): Update comments.
1602 * md.texi: Corresponding changes.
1604 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1606 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1607 (choose_reload_regs): Rename it here as well. When computing it,
1608 also merge in used hardregs.
1610 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1612 * gcc.c: Split out Objective-C specs to...
1613 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1616 * c-lex.c (init_parse): Always initialize the filename global.
1617 * objc/objc-act.c (lang_init): Always call check_newline at
1620 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1622 * reload1.c (reload): Remove unused variable.
1623 (reload_reg_free_for_value_p): Add missing parameter definition.
1625 * jump.c (jump_optimize): Remove unused variable.
1627 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1629 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1631 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1633 * expr.c (move_by_pieces): Similarly.
1634 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1635 * flow.c (find_auto_inc): Similarly.
1636 (try_pre_increment): Similarly.
1637 * loop.c (strength_reduce): Similarly.
1638 * regclass.c (auto_inc_dec_reg_p): Similarly.
1639 * regmove.c (try_auto_increment): Similarly.
1640 (fixup_match_1): Similarly.
1641 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1642 (HAVE_PRE_DECREMENT): Similarly.
1643 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1644 * Corresponding changes to all target header files.
1645 * tm.texi: Update docs for autoinc addressing modes.
1647 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1649 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1650 * configure: Rebuild.
1651 * config/elfos.h: New file.
1652 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1653 config/m68k/t-m68kelf: New file.
1655 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1657 * Makefile.in (HOST_AR): Define.
1658 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1659 (libcpp.a): Use the host tools explicitly.
1660 (STAGESTUFF): Add libcpp.a.
1662 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1664 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1665 to source and destination registers.
1667 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1669 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1670 The strategy we now use is to pre allocate the top_elt along
1671 with the EH context so that each thread has its own top_elt.
1672 This is necessary as the dynmanic cleanup chain is used on the
1673 top element of the stack and each thread MUST have its own.
1674 (eh_context_static): Likewise.
1675 (new_eh_context): Likewise.
1676 (__sjthrow): Likewise.
1678 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1680 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1681 * i386.md (prologue_get_pc): Remove unused variable.
1683 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1685 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1687 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1689 * Makefile.in (OBJS): Add graph.o
1690 (graph.o): New dependency list.
1691 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1692 * print-rtl.c (dump_for_graph): Define new variable.
1693 (print_rtx): Rewrite to allow use in graph dumping functions.
1694 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1695 finish_graph_dump_file.
1696 Define graph_dump_format.
1697 (compile_file): If graph dumping is enabled also clear these files.
1698 Finish graph dump files.
1699 (rest_of_compilation): Also dump graph information if enabled.
1700 (main): Recognize -dv to enabled VCG based graph dumping.
1701 * graph.c: New file. Graph dumping functions.
1703 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1705 * configure.in: Look for <sys/stat.h>.
1706 * system.h: Include it before substitute S_ISREG definitions.
1708 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1710 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1711 * config/mips/iris6.h: Same.
1712 * config/mips/mips.md: Same.
1713 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1714 * config/mips/mips.h: Same; also define ABI_O64.
1716 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1718 * configure.in: Use AC_PREREQ(2.12.1).
1720 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1722 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1723 * cpplib.c, gcc.c: Likewise.
1724 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1726 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1728 * local-alloc.c (local_alloc): Use malloc not alloca for
1729 reg_qty, reg_offset, ref_next_in_qty.
1731 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1733 * caller-save.c (insert_one_insn): Initialize the live_before and
1734 live_after register sets.
1738 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1739 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1740 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1741 (fp_reg_names, assembler_dialect): New variables.
1742 (print_operand_address): Handle SUBREGs.
1743 (print_operand): Added 'o' case.
1744 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1745 Name of FP registers depends on mode.
1746 (expand_block_move): Emit different code for SH4 hardware.
1747 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1748 (from_compare): Likewise.
1749 (add_constant): New argument last_value. Changed all callers.
1750 (find_barrier): Don't try HImode load for FPUL_REG.
1751 (machine_dependent_reorg): Likewise.
1752 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1753 (gen_far_branch): Emit a barrier after the new jump.
1754 (barrier_align): Don't trust instruction lengths before
1756 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1757 Use auto-inc addressing for fp registers if doubles need to
1758 be loaded in two steps.
1759 Set sh_flag_remove_dead_before_cse.
1760 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1761 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1762 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1763 Support for FIRST_XD_REG .. LAST_XD_REG.
1764 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1765 (sh_expand_epilogue): Likewise.
1766 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1767 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1768 (arith_reg_operand): FPUL_REG is OK for SH4.
1769 (fp_arith_reg_operand, fp_extended_operand) New functions.
1770 (tertiary_reload_operand, fpscr_operand): Likewise.
1771 (commutative_float_operator, noncommutative_float_operator): Likewise.
1772 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1773 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1774 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1775 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1776 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1777 (CONDITIONAL_REGISTER_USAGE): Likewise.
1778 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1779 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1780 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1781 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1782 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1783 to -1 and sh_flag_remove_dead_before_cse to 1.
1784 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1785 (assembler_dialect, fp_reg_names): Declare.
1786 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1787 Hide names of registers that are not accessible.
1788 (CACHE_LOG): Take TARGET_CACHE32 into account.
1789 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1790 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1791 (FIRST_PSEUDO_REGISTER: Now 49.
1792 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1793 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1794 (HARD_REGNO_MODE_OK): Update.
1795 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1796 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1797 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1798 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1799 (NPARM_REGS): Eight floating point parameter registers on SH4.
1800 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1801 in floating point registers.
1802 (GET_SH_ARG_CLASS) Likewise.
1803 Complex float types are also returned in float registers.
1804 (BASE_ARG_REG): Complex float types are also passes in float registers.
1805 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1806 (LIBCALL_VALUE): Remove trailing semicolon.
1807 (ROUND_REG): Round when double precision value is passed in floating
1809 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1810 passed on the stack.
1811 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1812 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1813 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1814 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1815 (MODE_DISP_OK_8): Not for SH4 DFmode.
1816 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1817 Allow indexed addressing for PSImode after reload.
1818 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1819 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1820 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1821 (DOUBLE_TYPE_SIZE): 64 for SH4.
1822 (RTX_COSTS): Add PLUS case.
1823 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1824 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1825 MAC_REGS, PR_REGS, DF_REGS.
1826 (REGISTER_NAMES): Use fp_reg_names.
1827 (enum processor_type): Add PROCESSOR_SH4.
1828 (sh_flag_remove_dead_before_cse): Declare.
1829 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1830 (PREDICATE_CODES): Add binary_float_operator,
1831 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1832 fpscr_operand, noncommutative_float_operator.
1833 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1834 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1835 * sh.md (attribute cpu): Add value sh4.
1836 (attrbutes fmovd, issues): Define.
1837 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1838 (function units memory, int, mpy, fp): Make dependent on issue rate.
1839 (function units issue, single_issue, load_si, load): Define.
1840 (function units load_store, fdiv, gp_fpul): Define.
1841 (attribute hit_stack): Provide proper default.
1842 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1843 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1844 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1845 (mulsi3_call): Now uses match_operand for function address.
1846 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1848 (push, pop, push_e, pop_e): Now define_expands.
1849 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1850 (movsi_ie): Added y/i alternative.
1851 (ic_invalidate_line_i, movdf_i4): New insns.
1852 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1853 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1854 (movdf): Add special code for SH4.
1855 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1856 (call_valuei, calli, call_value): Likewise.
1857 (movsf): Emit no-op move.
1858 (mov_nop, movsi_y): New insns.
1859 (blt, sge): generalize to handle DFmode.
1860 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1861 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1862 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1863 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1864 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1865 (toggle_sz): New insn.
1866 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1867 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1868 (macsf3): Make use of fpscr visible. Disable for SH4.
1869 (floatsisf2): Make use of fpscr visible.
1870 (floatsisf2_i4): New insn.
1871 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1872 (ieee_ccmpeqsf_t): Likewise.
1873 (fix_truncsfsi2): Emit different code for SH4.
1874 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1875 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1876 (negsf2, sqrtsf2, abssf2): Now expanders.
1877 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1878 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1879 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1880 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1881 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1882 (fix_truncdfsi2_i4_2+1): New splitters.
1883 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1884 (extendsfdf2, truncdfsf2): New expanders.
1885 (truncdfsf2_i4): New insn.
1886 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1887 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1888 * float-sh.h: When testing for __SH3E__, also test for
1889 __SH4_SINGLE_ONLY__ .
1890 * va-sh.h (__va_freg): Define to float.
1891 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1892 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1893 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1894 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1896 (TARGET_SH4_P): Define.
1899 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1900 init_expr_once is satisfied about the existence of load / store insns.
1902 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1903 change m constraint in source operand to mr / mf .
1905 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1907 * (__VA_REEF): Define.
1908 (__va_arg_sh1): Use it.
1910 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1912 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1914 * i386/dgux.c (struct option): Add new "description field".
1915 * m88k/m88k.c (struct option): Likewise.
1917 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1919 * version.c: Bump for snapshot.
1921 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1923 * regmove.c (regmove_profitable_p): Use return value of find_matches
1926 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1928 * version.c: Bump for snapshot.
1930 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1932 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1933 without reload having been called earlier.
1935 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1937 (v850_reorg): Similarly.
1939 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1941 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1943 * loop.c (move_movables): Start of libcall might be new loop start.
1945 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1947 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1949 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1951 * function.c (nonlocal_goto_handler_slots): Renamed from
1952 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1953 (push_function_context_to): Adjust for this change.
1954 (pop_function_context_from): Likewise.
1955 (init_function_start): Likewise.
1956 (expand_function_end): Likewise.
1957 * function.h (struct function): Likewise.
1958 * calls.c (expand_call): Likewise.
1959 * explow.c (allocate_dynamic_stack_space): Likewise.
1960 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1961 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1963 (expand_goto): When doing a nonlocal goto, find corresponding handler
1964 slot for it. Don't put the label address in the static chain register.
1965 (expand_end_bindings): Break out nonlocal goto handling code into
1966 three new functions.
1967 (expand_nl_handler_label, expand_nl_goto_receiver,
1968 expand_nl_goto_receivers): New static functions, broken out of
1969 expand_end_bindings and adapted to create one handler per nonlocal
1971 * function.c (delete_handlers): Delete insn if it references any of
1972 the nonlocal goto handler slots.
1973 * i960.md (nonlocal_goto): Comment out code that modifies
1975 * sparc.md (nonlocal_goto): Likewise.
1976 (goto_handler_and_restore_v9): Comment out.
1977 (goto_handler_and_restore_v9_sp64): Comment out.
1979 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1981 * expr.c (STACK_BYTES): Delete unused macro.
1982 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1983 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1984 (expand_call): Likewise.
1985 (emit_library_call): Likewise.
1986 (emit_library_call_value): Likewise.
1987 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1988 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1989 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1990 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1991 (allocate_dynamic_stack_space): Likewise.
1992 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1993 (STACK_BOUNDARY): Update description to reflect the new situation.
1995 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1997 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1998 return with a filled delay slot is followed by a return with an
1999 unfilled delay slot, delete the first return and reemit the insn
2000 that was previously in its delay slot.
2002 * i860.c (single_insn_src_p): Add missing parens.
2003 * ginclude/math-3300.h: Likewise.
2005 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2007 * regclass.c (init_reg_sets_1): Add prototype.
2008 (init_reg_modes): Likewise.
2010 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2012 * c-common.c: Change warning messages to say `comparison is
2013 always true' or `comparison is always false' instead of the
2014 confusing `is always 0', `is always 1'.
2016 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2018 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2019 break instead of return (which loses closing '>').
2021 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2023 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2024 standard 387 constants.
2026 * i386.md (jump): Explicitly set "memory" attribute.
2027 (indirect_jump, prologue_set_stack_ptr): Likewise.
2028 (prologue_get_pc_and_set_got, pop): Likewise.
2029 (allocate_stack_worder, blockage, return_internal): Likewise.
2030 (return_pop_internal, nop): Likewise.
2031 (epilogue_set_stack_ptr, leave): Likewise.
2033 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2035 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2037 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2039 * reload1.c (reload_reg_free_for_value_p):
2040 Early auto_inc reloads don't conflict with outputs.
2042 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2044 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2045 Instead call AC_HEADER_SYS_WAIT.
2047 * collect2.c: Don't provide defaults for sys/wait.h macros.
2049 * protoize.c: Likewise. Also, don't include sys/wait.h.
2051 * system.h: Include sys/wait.h and provide macro defaults.
2053 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2055 * Makefile.in (mandir): Set to @mandir@.
2056 (man1dir): New variable to hold the former value of $(mandir).
2057 Replace all uses of $(mandir) by $(man1dir).
2059 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2061 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2062 a new one before passing it to force_const_mem.
2064 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2065 find_reloads_address call.
2067 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2069 * expr.c (store_expr): Don't generate load-store pair
2070 if TEMP is identical (according to ==) with TARGET.
2072 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2074 * reload1.c (reload_reg_free_for_value_p): When considered reload
2075 has an output, matching inputs are not sufficient to avoid conflict.
2077 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2079 * hash.h (hash_table_key): New type.
2080 (hash_entry): Change `string' field to generic `key'.
2081 (hash_table): Add `comp' and `hash' functions.
2082 (hash_table_init): Take them as input.
2083 (hash_table_init_n): Likewise.
2084 (hash_lookup): Modify for generic keys.
2085 (hash_newfunc): Likewise.
2086 (hash_traverse): Likewise.
2087 (string_hash): New function.
2088 (string_compare): Likewise.
2089 (string_copy): Likewise.
2090 * hash.c (hash_table_init_n): Modify for generic keys.
2091 (hash_table_init): Likewise.
2092 (hash_lookup): Likewise.
2093 (hash_newfunc): Likewise.
2094 (hash_traverse): Likewise.
2095 (string_hash): Split out from hash_lookup.
2096 (string_compare): New function.
2097 (string_copy): Split out from hash_lookup.
2098 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2100 (symbol_hash_lookup): Likewise.
2101 (file_hash_newfunc): Likewise.
2102 (file_hash_lookup): Likewise.
2103 (demangled_hash_newfunc): Likewise.
2104 (demangled_hash_lookup): Likewise.
2105 (tlink_int): Likewise.
2106 (read_repo_file): Likewise.
2107 (recompile_files): Likewise.
2108 (demangle_new_symbols): Likewise.
2109 (scan_linker_output): Likewise.
2111 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2113 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2115 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2117 * rs6000.c (output_mi_thunk): Improve test for local branch.
2119 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2121 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2123 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2125 * reload1.c (reload_reg_free_before_p): Delete.
2126 Changed all callers to use reload_reg_free_for_value_p instead.
2127 (reload_reg_free_for_value_p): Handle more reload types.
2128 A RELOAD_FOR_INPUT doesn't conflict with its
2129 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2130 Add special case for OUT == const0_rtx.
2131 Added ignore_address_reloads argument. Changed all callers.
2133 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2135 * toplev.c (compile_file): Don't pedwarn about undefined static
2136 functions just because we passed -Wunused.
2138 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2140 * function.c (purge_addressof_1): Unshare rtl created by
2143 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2145 * regmove.c (regmove_optimize): Don't do anything but
2146 optimize_reg_copy[123] when flag_regmove is not set.
2148 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2150 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2151 value in paradoxical SImode result, rather than truncating midpoint.
2153 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2155 * alpha.c (reg_not_elim_operand): New.
2156 * alpha.h (PREDICATE_CODES): Add it.
2157 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2158 for the multiplicand.
2160 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2162 * rs6000.md (movsf): Remove explicit secondary-reload-like
2163 functionality. Only truncate SFmode store if in FPR.
2164 (movsf splitters): Combine const_double splitters.
2165 (movsf_hardfloat): Add GPR support.
2167 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2169 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2170 deprecate -mlive-g0 and -mbroken-saverestore.
2171 * t-splet (MULTILIB_OPTIONS): Likewise.
2173 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2174 in a leaf function. Clarify total_size/extra_size relationship.
2176 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2178 * i386/cygwin32.asm: Delete.
2179 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2180 * i386/cygwin32.h: Delete.
2181 * i386/cygwin.h: New file, renamed from cygwin32.h.
2182 * i386/t-cygwin32: Delete.
2183 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2184 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2185 * i386/x-cygwin32: Delete.
2186 * i386/x-cygwin: New file, renamed from x-cygwin32.
2187 * i386/xm-cygwin32: Delete.
2188 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2189 renamed cygwin_ funcs for path translations.
2190 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2191 * i386/winnt.c: Remove "32" from comment about cygwin.
2192 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2193 * rs6000/cygwin32.h: Delete.
2194 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2195 -D__CYGWIN__ to CPP_PREDEFINES.
2196 * rs6000/x-cygwin32: Delete.
2197 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2198 * rs6000/xm-cygwin32: Delete.
2199 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2201 * configure.in: Check for cygwin* instead of cygwin32. Account
2202 for the rename of cygwin-related config files to lose the "32"s.
2203 * configure: Regenerate.
2205 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2206 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2208 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2210 * Makefile.in (JAVAGC): New macro.
2211 * configure: Rebuilt.
2212 * configure.in: Recognize --enable-java-gc argument. Subst
2215 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2217 Handle equivalences that have been obscured by gcse:
2219 * reload1.c (reload): Handle equivalences set up in multiple places.
2220 * local-alloc.c (reg_equiv_init_insns): New variable.
2221 (no_equiv): New function.
2222 (update_equiv_regs): Handle equivalences set up in multiple places.
2223 Don't ignore an insn just because its destination is likely to be
2226 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2228 * except.c (expand_eh_return): Readd force_operand call lost in
2231 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2233 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2235 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2237 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2239 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2241 * regmove.c (regmove_optimize): Fix error in last change.
2243 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2245 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2246 offset in the .mask pseudo to compensate for frame pointer adjustments.
2247 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2248 word swap arguments moved to/from FP registers.
2249 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2251 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2253 * version.c: Bump for snapshot.
2255 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2257 * version.c: Bump for snapshot.
2259 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2261 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2262 times, then it can not be completely replaced.
2264 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2266 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2268 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2270 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2271 (to distinguish it from the macro wrapping ansidecl.h.)
2272 Include libiberty's ansidecl.h. Remove all redundant definitions.
2273 Define the PROTO() style macros in terms of the PARAMS() ones.
2276 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2277 __STDC__, when deciding whether to use ANSI variable args.
2278 (emit_library_call_value): Likewise.
2280 * cccp.c (error): Likewise.
2281 (warning): Likewise.
2282 (error_with_line): Likewise.
2283 (warning_with_line): Likewise.
2284 (pedwarn): Likewise.
2285 (pedwarn_with_line): Likewise.
2286 (pedwarn_with_file_and_line): Likewise.
2289 * cexp.y (error): Likewise.
2290 (pedwarn): Likewise.
2291 (warning): Likewise.
2293 * collect2.c (fatal_perror): Likewise.
2297 * combine.c (gen_rtx_combine): Likewise.
2299 * cpperror.c (cpp_message): Likewise.
2300 (cpp_fatal): Likewise.
2302 * cpplib.c (cpp_error): Likewise.
2303 (cpp_warning): Likewise.
2304 (cpp_pedwarn): Likewise.
2305 (cpp_error_with_line): Likewise.
2306 (cpp_warning_with_line): Likewise.
2307 (cpp_pedwarn_with_line): Likewise.
2308 (cpp_pedwarn_with_file_and_line): Likewise.
2310 * cpplib.h: Don't define PARAMS() macro.
2312 * demangle.h: Likewise.
2314 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2315 when deciding whether to use ANSI variable args.
2317 * emit-rtl.c (gen_rtx): Likewise.
2318 (gen_rtvec): Likewise.
2320 * final.c (asm_fprintf): Likewise.
2322 * fix-header.c (cpp_message): Likewise.
2324 (cpp_fatal): Likewise.
2326 * gcc.c (concat): Likewise.
2330 * genattr.c (fatal): Likewise.
2332 * genattrtab.c (attr_rtx): Likewise.
2333 (attr_printf): Likewise.
2336 * gencodes.c (fatal): Likewise.
2338 * genconfig.c (fatal): Likewise.
2340 * genemit.c (fatal): Likewise.
2342 * genextract.c (fatal): Likewise.
2344 * genflags.c (fatal): Likewise.
2346 * genopinit.c (fatal): Likewise.
2348 * genoutput.c (fatal): Likewise.
2351 * genpeep.c (fatal): Likewise.
2353 * genrecog.c (fatal): Likewise.
2355 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2356 deciding whether to declare `tree_node' and `rtx_def'.
2358 * hash.h: Don't define stuff we get from gansidecl.h.
2360 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2361 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2362 whether to use ANSI variable args.
2365 * prefix.c (concat): Likewise.
2369 * system.h: Likewise.
2371 * toplev.c (error_with_file_and_line): Likewise.
2372 (error_with_decl): Likewise.
2373 (error_for_asm): Likewise.
2376 (warning_with_file_and_line): Likewise.
2377 (warning_with_decl): Likewise.
2378 (warning_for_asm): Likewise.
2379 (warning): Likewise.
2380 (pedwarn): Likewise.
2381 (pedwarn_with_decl): Likewise.
2382 (pedwarn_with_file_and_line): Likewise.
2384 (really_sorry): Likewise.
2386 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2387 whether to declare `tree_node' and `rtx_def'.
2389 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2390 deciding whether to use ANSI variable args.
2391 (build_nt): Likewise.
2392 (build_parse_node): Likewise.
2394 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2396 * version.c: Bump for snapshot.
2398 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2400 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2402 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2404 * collect2.c (main, case 'b'): Use else if.
2406 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2408 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2409 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2410 before the config/ directory headers.
2411 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2412 gansidecl.h in the list of dependencies.
2414 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2415 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2416 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2417 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2418 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2419 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2422 * cccp.c: Don't include gansidecl.h.
2424 * collect2.c: Likewise.
2425 * config/c4x/c4x.c: Likewise.
2426 * config/v850/v850.h: Likewise.
2427 * cppalloc.c: Likewise.
2428 * cpperror.c: Likewise.
2429 * cppexp.c: Likewise.
2430 * cppfiles.c: Likewise.
2431 * cpphash.c: Likewise.
2432 * cpplib.c: Likewise.
2433 * cppmain.c: Likewise.
2434 * cppulp.c: Likewise.
2435 * demangle.h: Likewise.
2436 * doprint.c: Likewise.
2437 * dyn-string.c: Likewise.
2438 * eh-common.h: Likewise.
2439 * fix-header.c: Likewise.
2440 * frame.c: Likewise.
2443 * gen-protos.c: Likewise.
2444 * gencheck.c: Likewise.
2445 * halfpic.h: Likewise.
2447 * machmode.h: Likewise.
2448 * mbchar.c: Likewise.
2449 * prefix.c: Likewise.
2450 * protoize.c: Likewise.
2451 * recog.h: Likewise.
2453 * scan-decls.c: Likewise.
2455 * varray.h: Likewise.
2457 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2459 * i386.md (call_value_pop): If we're not popping anything,
2460 defer to call_value.
2461 (call_pop): Likewise defer to call.
2463 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2465 * function.c (purge_addressof): Clear purge_addressof_replacements
2466 only after processing the whole function.
2468 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2470 * reload1.c (reload): If we can not perform a particular elimination
2471 when we thought we could earlier, then we must always iterate through
2472 the loop at least one more time.
2474 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2476 * alpha.c (add_operand): Simplify the CONST_INT match.
2477 (sext_add_operand): Correct typo in comparison by using
2478 CONST_OK_FOR_LETTER_P.
2479 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2480 constant alternatives to be generated.
2481 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2482 small constants, since the hw instructions do.
2484 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2486 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2487 previous insn to store directly into our reload register, make sure
2488 that if the source of the previous insn is a reload register, its
2489 spill_reg_store and spill_reg_stored_to values are cleared.
2491 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2493 * rs6000.md (floatunssidf2_internal splitter): Use base register
2494 operand, not hard-coded SP.
2496 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2498 * jump.c (calculate_can_reach_end): Fix thinko.
2500 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2502 * reorg.c (fill_simple_delay_slots): Fix typo.
2504 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2506 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2508 * i386.md (extendsidi2): Use # in the output template.
2509 (extendsidi splitters): New splitters.
2511 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2513 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2515 * configure: Regenerate.
2517 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2519 * jump.c (init_label_info, delete_barrier_successors,
2520 mark_all_labels, delete_unreferenced_labels,
2521 delete_noop_moves, calculate_can_reach_end): New functions broken
2522 out of jump_optimize.
2523 (jump_optimize): Use them.
2525 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2527 * except.c (expand_fixup_region_end): Make sure outer context labels
2528 are not issued in an inner context during cleanups.
2530 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2532 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2535 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2537 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2538 to expose this midpoint to CSE.
2540 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2542 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2544 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2546 * configure.in: Bring over gcc2 change of Nov 19 1997.
2548 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2550 * toplev.c (output_lang_identify): Make definition dependent on
2551 ASM_IDENTIFY_LANGUAGE.
2553 * print-rtl.c (spaces): Make static.
2555 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2557 * extend.texi: Clarify proper uses for register clobbers in asms.
2559 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2561 * recog.h (enum op_type): Define.
2562 (constrain_operands): Adjust prototype.
2563 (recog_op_type): Declare new variable.
2564 * recog.c (recog_op_type): New variable.
2565 (insn_invalid_p): Allow modifying an asm statement after reload.
2566 (extract_insn): Set up recog_op_type.
2567 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2568 Don't compute operand types, use recog_op_type.
2569 Use the information computed by extract_insn instead of the previous
2570 method of finding it by insn code number.
2571 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2572 * reorg.c (fill_slots_from_thread): Likewise.
2573 * reload1.c (reload_as_needed): Likewise.
2574 (gen_reload): Likewise.
2575 (inc_for_reload): Likewise.
2576 (reload_cse_simplify_operands): Likewise.
2577 Use the information computed by extract_insn instead of the previous
2578 method of finding it by insn code number.
2579 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2581 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2582 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2583 Use the information computed by extract_insn instead of the previous
2584 method of finding it by insn code number.
2585 * regmove.c (find_matches): Likewise. Change meaning of the return
2586 value to be nonzero if the optimization can be performed, zero if
2587 not. All callers changed.
2588 Shorten some variable names to fix formatting problems.
2589 (regmove_optimize): Shorten some variable names to fix formatting
2591 Use the information computed by extract_insn instead of the previous
2592 method of finding it by insn code number.
2593 * regclass.c (scan_one_insn): Likewise.
2594 (record_reg_classes): Don't compute operand types, use recog_op_type.
2595 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2596 recog_constraints instead.
2598 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2600 * rtl.h (flow2_completed): Declare.
2601 * flow.c (flow2_completed): Definition.
2602 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2605 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2607 * Makefile.in (libcpp.a): Ranlib libcpp.a
2609 * cppulp.c (user_label_prefix): Initialize.
2611 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2613 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2614 at a RETURN if current_function_sp_is_unchanging is set.
2616 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2618 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2620 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2622 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2623 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2624 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2625 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2626 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2627 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2629 (LIB_SPEC): Handle -mno-cyginw option.
2630 (LINK_SPEC): Handle -mdll.
2632 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2634 * reload.c (find_reloads): Fix test for usage by other reload
2635 to handle secondary reloads properly.
2637 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2639 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2640 intermediate structure which has exactly the members provided by
2641 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2642 static intermediate structure.
2644 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2645 from the intermediate structure. Do the same analogous fix in
2646 the case where ELIMINABLE_REGS is not defined.
2648 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2650 * pa.h (SELECT_SECTION): Fix thinko.
2652 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2654 * dwarf2out.c (output_call_frame_info): Comments on last change.
2656 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2658 * arm.c (add_constant): When taking the address of an item in the
2659 pool, get the mode of the item addressed.
2661 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2662 contain a SET or a PARALLEL, don't consider it for conditional
2665 Restore ABI compatibility for NetBSD.
2666 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2668 (RETURN_IN_MEMORY): Likewise.
2670 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2672 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2673 (m32r_output_block_move): Rewrite bytes < 4 handling.
2675 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2677 * configure.in: Call AC_FUNC_VFORK.
2679 * collect2.c: Define VFORK_STRING as a printable string for
2680 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2681 defined, include vfork.h. If VMS is defined, define vfork()
2682 appropriately. Remove vfork check on USG, we're using autoconf.
2683 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2684 checking locally what string to pass.
2685 (scan_prog_file): Likewise.
2686 (scan_libraries): Likewise.
2688 * gcc.c: Remove vfork check on USG, we're using autoconf.
2689 Besides, no calls to vfork/fork occur in this file.
2691 * protoize.c: Likewise.
2693 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2695 * configure.in (DEFAULT_LINKER): renamed from LD
2696 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2697 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2698 * configure: rebuilt
2700 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2702 * BUGS: fix the regexp for `more' to find the appropriate node.
2703 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2705 * BUGS: added link to the WWW FAQ
2707 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2709 * version.c: Bump for snapshot.
2711 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2713 * From Christian Gafton:
2714 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2715 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2716 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2718 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2720 * c-common.c (c_get_alias_set): Allow all type-punning through
2721 unions. Don't get confused about the type of a bit-field, despite
2722 the antics of build_modify_expr.
2724 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2726 * fixinc.sco: Paramaterize #include_next values.
2727 * fixinc/fixinc.sco: Likewise.
2729 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2731 * toplev.c (rest_of_compilation): No longer set reload_completed.
2732 * reload1.c (reload): Set it here. Perform instruction splitting
2733 after reload has completed if we will be running the scheduler
2736 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2738 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2739 EH region if exceptions are enabled and we're performing cross
2741 (find_cross_jump): Exit loop if the insns are in different EH regions.
2743 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2745 * dwarf2out.c (output_call_frame_info): Use
2746 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2748 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2750 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2751 * c-common.c (check_format_info): Don't check for the 'x'
2752 format character twice, instead check for 'x' and 'X'
2754 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2756 * configure.in (assembler features): Also make gas is configured if
2757 we find it in the souce tree.
2759 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2761 * i386.c (i386_comp_type_attributes): Compare whether the
2762 attributes are defined, not their tree nodes.
2764 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2766 * configure.in (gxx_include_dir): bitten by autoconf quoting
2768 * configure: rebuilt
2770 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2772 * configure.in: Ignore non-absolute value in $AS.
2774 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2776 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2778 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2780 * configure.in (msdosdjgpp): Set exeext and target_alias.
2782 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2784 * flow.c (XNMALLOC): New macro.
2785 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2787 (add_edge, add_edge_to_label): New static functions.
2788 (free_bb_memory): New function.
2789 (flow_delete_insn): Delete function.
2790 (basic_block_drops_in): Delete variable.
2791 (find_basic_blocks): Allocate and initialize basic_block_head,
2792 basic_block_succ. Don't allocate basic_block_drops_in.
2793 Call free_bb_memory at the beginning.
2794 (find_basic_blocks_1): Don't do multiple passes.
2795 Delete code to compute basic_block_drops_in.
2796 After calling make_edges, mark blocks reached by current block live.
2797 Update test for unreachable live blocks.
2798 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2800 Simplify to call add_edge_to_label when a LABEL_REF is found.
2801 (make_edges): Simplify to call add_edge_to_label instead of
2802 mark_label_ref most of the time.
2803 Compute here whether control drops into the next block.
2804 (delete_unreachable_blocks): Return void. All callers changed.
2805 Delete unreachable blocks in reverse order.
2806 After deleting all unreachable blocks, renumber the remaining ones
2807 and update n_basic_blocks.
2808 (delete_block): Speed up deletion a bit.
2809 Don't set basic_block_drops_in for deleted blocks.
2810 (free_basic_block_vars): Don't free basic_block_drops_in.
2811 (life_analysis_1): Update to use new edge representation.
2812 (dump_flow_info): Delete code to print basic block info; call
2813 dump_bb_data instead.
2814 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2815 and uid_block_number.
2816 Simply copy the previously computed cfg.
2817 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2818 Print register lifetime information if LIVE_INFO is nonzero.
2819 * basic-block.h (dump_bb_data): Adjust prototype.
2820 * gcse.c (gcse_main): Update call to dump_bb_data.
2821 * rtl.h (free_bb_memory): Declare.
2822 * toplev.c (rest_of_compilation): Call free_bb_memory.
2824 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2825 (update_eliminable_offsets): Don't compute it.
2826 (set_initial_elim_offsets): Don't initialize it.
2827 Break out some code into set_initial_label_offsets so the rest of
2828 this function can be called from reload_as_needed.
2829 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2830 ELIMINABLE_REGS isn't.
2831 (set_initial_label_offsets): New function, broken out of
2832 set_initial_elim_offsets.
2833 (set_offsets_for_label): New function, broken out of set_label_offsets
2834 and reload_as_needed.
2835 (reload): Call the two new functions.
2836 (reload_as_needed): Call set_initial_elim_offsets instead of
2837 duplicating the code. Likewise for set_offsets_for_label.
2839 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2840 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2841 any hard reg, reg_reloaded_dead contains valid data.
2843 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2845 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2846 "stdcall" and "cdecl" attributes.
2848 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2850 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2851 handle deleted no-op moves of hard registers.
2852 * haifa-sched.c (update_flow_info): Likewise.
2854 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2856 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2857 of the sequences to reload the HILO register which do not actually
2860 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2862 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2864 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2866 * except.c (emit_eh_context): Make the EH context register stay alive
2867 at -O0 so stupid.c doesn't get confused.
2869 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2871 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2873 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2874 Jeffrey A Law (law@cygnus.com)
2876 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2877 (zero_extendsidi2): Use # in output template and handle completely by
2879 (zero_extend splitters): New define_splits.
2880 (ashiftrt_32): New pattern.
2882 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2884 * tree.c (append_random_chars): New fn.
2885 (get_file_function_name_long): Use it.
2887 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2889 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2890 (LIBCPP_OBJS): New. Add cppulp.o.
2891 (cppmain, fix-header): Depend on and use libcpp.a.
2892 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2893 of the individual object files.
2894 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2897 * cccp.c (user_label_prefix): New.
2898 (main): Set it off -f*leading-underscore.
2899 (special_symbol): Use it.
2900 * cpplib.c (special_symbol): Likewise.
2901 (cpp_handle_option): Handle -f*leading-underscore.
2902 * cppulp.c: New file.
2904 * output.h (user_label_prefix): Declare it.
2905 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2906 * toplev.c (f_options, main): Handle -f*leading-underscore.
2908 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2909 referencing USER_LABEL_PREFIX directly.
2910 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2911 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2912 * final.c (asm_fprintf): Use user_label_prefix instead.
2913 * arm/thumb.c (thumb_print_operand): Likewise.
2915 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2916 cpp wherever appropriate.
2918 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2920 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2921 specific compiler switches.
2923 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2925 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2928 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2930 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2931 structure which has exactly the members provided by EXTRA_SPECS.
2932 Xmalloc() the real `extra_specs', and initialize it from this
2933 intermediate structure.
2935 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2937 * mips.h (EXTRA_SPECS): Likewise.
2939 * sparc.h (EXTRA_SPECS): Likewise.
2941 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2943 * function.c (purge_addressof_1): Instead of aborting when a
2944 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2945 work just put the ADDRESSOF on stack. Otherwise remember all such
2946 successfull replacements, so that exactly the same replacements
2947 can be made on the REG_NOTEs. Remove the special case for CALL
2949 (purge_addressof_replacements): New variable.
2950 (purge_addressof): Clear it at end.
2952 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2954 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2955 (lang_init): Call check_newline always.
2956 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2957 cpp_start_read, set yy_cur and yy_lim to read from
2958 parse_in.token_buffer, so that we'll see the first #line
2960 * cpplib.c (cpp_start_read): finclude the main input file
2961 before processing -include/-imacros. Process -imacros and
2962 -include separately, and handle -include by stacking a
2963 buffer for the file in question as if it'd been #included.
2964 * toplev.c (documented_lang_options) Recognize -H when
2967 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2969 * cpplib.c: Merge do_once into do_pragma. Break file handling
2970 code out of do_include.
2971 Move append_include_chain, deps_output,
2972 file_cleanup, redundant_include_p, import_hash,
2973 lookup_import, add_import, read_filename_string, read_name_map,
2974 open_include_file, finclude, safe_read to cppfiles.c.
2975 Move prototypes for deps_output, append_include_chain,
2976 finclude to cpplib.h. Move definition of struct
2977 file_name_list there also.
2979 * cppfiles.c: New file. Contains all the above functions
2980 broken out of cpplib.c; also hack_vms_include_specification
2981 from cccp.c and find_include_file, a new function broken out of
2984 * Makefile.in (cppmain): Depend on cppfiles.o.
2985 (fix-header): Likewise.
2986 (cppfiles.o): New target.
2987 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2988 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2990 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2992 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2993 if pending_types is non-zero.
2994 (dwarfout_finish): Verify pending_types is zero before finishing.
2996 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2998 * expr.c (convert_move): Use shifts to perform the move if a
2999 suitable extend pattern cannot be found. Code written by
3000 Richard Henderson <rth@cygnus.com>.
3002 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3004 * regclass.c (renumber, regno_allocated): New static variables, moved
3005 out of allocate_reg_info.
3006 (allocate_reg_info): Move these two variables outside the function.
3007 Move code to free memory into new function free_reg_info.
3008 (free_reg_info): New function, broken out of allocate_reg_info.
3009 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3010 * rtl.h (allocate_reg_info): Don't declare.
3011 (free_reg_info): Declare.
3013 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3015 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3017 * toplev.c (compile_file): Temporarily revert last change.
3019 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3021 * c-typeck.c (convert_for_assignment): Parenthesize.
3023 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3025 * reload1.c (delete_output_reload): Avoid ambigous else.
3027 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3029 * toplev.c (compile_file): Call allocate_reg_info to free register
3031 * rtl.h (allocate_reg_info): Declare.
3033 * PROJECTS: Remove entry for local spilling.
3035 * final.c (cleanup_subreg_operands): New function.
3036 (final_scan_insn): Use it.
3037 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3039 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3040 operands when reload has finished.
3041 * reload.h (cleanup_subreg_operands): Declare..
3042 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3043 reload. Handled in reload itself.
3045 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3047 * reload1.c (verify_initial_offsets): New function.
3048 (reload): Call it after reload_as_needed. Also verify that the frame
3049 size stays constant during reload_as_needed.
3050 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3052 * reload.h (struct insn_chain): Add need_operand_change element.
3053 * reload1.c (new_insn_chain): Clear it.
3054 (calculate_needs_all_insns): Set it; don't overload need_reload.
3055 (reload_as_needed): Use it.
3057 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3058 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3059 and reload_address_index_reg_class.
3060 (find_reloads_address_1): Likewise.
3061 * reload.h (reload_address_base_reg_class,
3062 reload_address_index_reg_class): Don't declare.
3063 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3064 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3065 (used_spill_regs): Now static.
3066 (reload_address_base_reg_class, reload_address_index_reg_class,
3067 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3068 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3069 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3072 (init_reload): Delete code to compute base/index reg classes.
3073 (reload): Delete variable J.
3074 Delete code to manage basic_block_needs.
3075 Don't compute regs_explicitly_used.
3076 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3077 pseudo_previous_regs.
3078 Initialize bad_spill_regs_global.
3079 Don't call order_regs_for_reload here.
3080 Don't initialize spill_reg_order and n_spills.
3081 Don't forbid explicitly used regs to be used for spill regs.
3082 Change main loop to infinite loop, with explicit break statements.
3083 Make SOMETHING_CHANGED variable local to that loop.
3084 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3085 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3086 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3088 Don't call dump_needs.
3089 Delete code to reset potential_reload_regs.
3090 Delete code to terminate loop conditional on the global needs variables
3091 showing no further needs.
3092 (calculate_needs_all_insns): Return void. All callers changed.
3093 Initialize somehing_needs_elimination here, not in reload.
3094 Delete avoid_return_reg kludge.
3095 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3096 All callers changed.
3097 Initialize the group_mode and group_size elements of the arg CHAIN.
3098 Delete code to manage basic_block_needs.
3099 Operate on elements of CHAIN instead of global variables.
3100 Delete avoid_return_reg kludge.
3101 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3102 All callers changed.
3103 Operate on elements of CHAIN instead of global variables.
3104 Delete special SMALL_REGISTER_CLASSES code.
3105 Delete spill_failure code; now in new_spill_reg.
3106 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3107 All callers changed.
3108 Operate on elements of CHAIN instead of global variables.
3109 (maybe_mark_pseudo_spilled): New static function.
3110 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3111 All callers changed.
3112 Operate on elements of CHAIN instead of global variables.
3113 Call order_regs_for_reload here, not in reload.
3114 Initialize spill_reg_order and n_spills.
3115 Simplify test whether an asm insn is involved.
3116 Delete spill_failure code; now in new_spill_reg.
3117 Call maybe_mark_pseudo_spilled for everything marked as live in
3118 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3120 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3121 compiler from optimizing this function (now unused) away.
3122 Operate on elements of CHAIN instead of global variables.
3123 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3125 Operate on elements of CHAIN instead of global variables.
3126 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3127 take CHAIN arg. All callers changed.
3128 Operate on elements of CHAIN instead of global variables.
3129 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3130 CHAIN, NONGROUP args. Return void. All callers changed.
3131 Verify caller isn't trying to spill a pseudo.
3132 Simplify test for illegal reg, just use bad_spill_regs.
3133 Generate better error messages.
3134 Operate on elements of CHAIN instead of global variables.
3135 Mark spilled register in CHAIN's used_spill_regs element.
3136 Don't call spill_hard_reg.
3137 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3138 Mark spilled hard regs in bad_spill_regs_global.
3139 Mark affected pseudos in spilled_pseudos, but don't spill them.
3140 (ior_hard_reg_set): New static function.
3141 (finish_spills): Return int. All callers changed.
3142 Compute spill_reg_order, n_spills and spill_regs here. Also update
3143 regs_ever_live for regs used as spills.
3144 For every pseudo in spilled_pseudos, spill it and mark the previous
3145 hard reg it had in pseudo_previous_regs. Compute which hard regs
3146 arseudo): New static function.
3147 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3148 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3149 hard registers explicitly used across the current insn into the set.
3150 Compute hard_reg_n_uses taking only pseudos live across this insn
3152 Tweak sorting of potential_reload_regs.
3153 (compare_spill_regs): Delete function.
3154 (reload_as_needed): Don't sort the spill_regs array, it's computed
3155 in proper order in finish_spills.
3156 Delete avoid_return_reg kludge.
3157 Delete code to manage basic_block_needs.
3158 (allocate_reload_reg): Minor speed/readability tweaks.
3159 Operate on elements of CHAIN instead of global variables.
3160 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3161 Delete avoid_return_reg kludge.
3162 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3163 Delete unused label FAIL.
3164 (reload_combine): Replce reload_address_index_reg_class with
3166 Don't use used_spill_regs to determine information about lifetime of
3169 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3171 * toplev.c (display_help): Ignore empty target specific
3172 options, and if -W is also specified on the command line then
3173 display undocumented options.
3175 * config/arm/arm.c: Updated with changes in devo sources.
3176 * config/arm/arm.h: Updated with changes in devo sources.
3177 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3178 * config/arm/lib1thumb.asm: Add ELF support.
3180 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3182 * collect2.c (aix64_flag): New variable.
3183 (main, case 'b'): Parse it.
3184 (GCC_CHECK_HDR): object magic number must match mode.
3185 (scan_prog_file): Only check for shared object if valid header.
3186 Print debugging if header/mode mismatch.
3188 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3190 Added support for arm-elf-linux configuration, submitted by Philip
3191 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3192 code developed by Catherine Moore <clm@cygnus.com>. The following
3195 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3198 * configure: Regenerated.
3200 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3201 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3202 definitions conditional on their not having been already defined.
3204 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3205 and .type directives, and add "(PLT)" qualification to function
3208 * config/arm/linux.h: Deleted. This file is now superceeded by
3209 either linux-elf.h or linux-aout.h.
3211 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3212 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3214 Move definitions from old linux.h file here.
3216 * config/arm/elf.h: New file. Generic ARM/ELF support.
3218 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3220 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3222 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3223 using the 26bit APCS.
3225 * config/arm/unknown-elf.h: New file. Support for OS'es other
3226 than Linux with ELF.
3228 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3231 * config/arm/coff.h: Include aout.h for basic assembler macros.
3232 Add support for -mstructure_size_boundary=<n> command line option.
3234 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3235 command line option. Make macro definitions conditional on their
3236 not having been already defined.
3238 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3239 command line option.
3242 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3244 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3245 has been changed to not include a newline. Use this macro instead.
3246 (output_enumeral_list, const_value_attribute, name_attribute,
3247 comp_dir_attribute, prototyped_attribute, producer_attribute,
3248 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3249 dwarfout_file_scope_decl, generate_new_sfname_entry,
3250 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3251 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3253 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3255 * combine.c (subst): Process the inputs to a parallel asm_operands
3258 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3260 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3262 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3264 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3266 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3268 * version.c: Bump for snapshot.
3270 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3272 * stmt.c (expand_fixup): Set fixup->before_jump to a
3273 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3275 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3277 * Makefile.in (recog.o): Depend on toplev.h.
3278 (insn-emit.o): Depend on recog.h.
3279 (insn-peep.o): Depend on recog.h and insn-config.h.
3281 * combine.c (simplify_set): Remove unused variable `scratches'.
3283 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3284 and `idx' in macro conditional controlling their use.
3286 * genemit.c (main): Make the generated output file include
3287 recog.h. Don't have it declare `insn_operand_constraint', since
3288 we get it from recog.h.
3290 * genpeep.c (main): Make the generated output file include
3291 insn-config.h and recog.h.
3293 * recog.c: Include toplev.h.
3294 (extract_insn): Remove unused variable `p'.
3296 * regclass.c (fix_register): Add missing braces around initializer
3298 (allocate_reg_info): Move variable `i' into the scope where it is
3299 used. Change its type to `size_t'.
3301 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3303 * reload.c (push_reload): When merging reloads, make sure
3304 that reload_in_reg and reload_in are from the same reload in
3307 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3309 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3310 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3312 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3314 * loop.c (loop_has_tablejump): New variable.
3315 (prescan_loop): Scan for it.
3316 (insert_bct): Replace explicit scan with use of it.
3317 * regclass.c (regclass): Restore loop variable j.
3318 (record_reg_classes): Deterine op_types modifiers and initialize
3319 classes[i] before matching constraints. Handle matching
3322 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3324 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3327 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3329 * mips.h (EXTRA_SPECS): Add missing initializers.
3331 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3333 * sparc.h (EXTRA_SPECS): Add missing initializers.
3334 (sparc_defer_case_vector): Provide a prototype.
3336 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3337 comparing it to the result of a pointer subtraction.
3339 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3341 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3342 the argument to (unsigned char).
3344 * alpha.h (EXTRA_SPECS): Add missing initializers.
3345 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3348 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3350 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3351 (propagate_block): Delete dead code after reload.
3353 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3354 back Oct 15, 1998 change.
3355 * haifa-sched.c (update_flow_info): Likewise.
3356 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3358 * mn10200.md (truncated shift): Accept constant inputs too.
3360 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3362 * machmode.h (mode_mask_array): No longer const.
3363 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3365 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3367 * frame.c: Somewhat explain `FDE'.
3368 Suggested by Brendan Kehoe
3370 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3372 * expr.c (pending_chain): Move up.
3373 (save_expr_status): Do save pending_chain.
3374 (restore_expr_status): And restore it.
3375 * function.h (struct function): Add pending_chain.
3377 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3379 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3380 did not match the code.
3382 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3384 * regclass.c (regclass): Break out some code into new function
3385 scan_one_insn, and into regclass_init.
3386 (init_cost): New static variable, moved out of regclass.
3387 (regclass_init): Initialize it here, not in .
3388 (scan_one_insn): New static function, broken out of regclass.
3389 * recog.c (apply_change_group): Break out some code into new
3390 function insn_invalid_p.
3391 (insn_invalid_p): New static fn, broken out of apply_change_group.
3393 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3395 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3396 reg_reloaded_contents matches incremented pseudo.
3398 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3400 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3402 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3403 addressing modes with side effects. These are currently
3404 placeholders for the C4x target.
3406 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3408 * loop.c (express_from): Make sure that when generating a PLUS of
3409 a PLUS, any constant expression appears on the outermost PLUS.
3411 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3413 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3414 works if "$(srcdir)" != ".".
3416 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3418 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3419 existing SUBREG if we can, otherwise abort.
3421 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3423 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3424 `restrict' is applied to a non-pointer variable.
3426 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3428 * invoke.texi: Document -flang-isoc9x.
3430 * Makefile.in (OBJS): Add splay-tree.o.
3431 (c-common.o): Depend on rtl.h.
3432 (splay-tree.o): List dependencies and provide build rule.
3434 * rtl.h (record_alias_subset): New function.
3435 * alias.c: Include splay-tree.h.
3436 (alias_set_entry): New type.
3437 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3438 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3439 (mems_in_disjoin_alias_sets_p): New function.
3440 (alias_set_compare): Likewise.
3441 (insert_subset_children): Likewise.
3442 (get_alias_set_entry): Likewise.
3444 * tree.h (TYPE_RESTRICT): New macro.
3445 (TYPE_UNQUALIFIED): New manifest constant.
3446 (TYPE_QUAL_CONST): Likewise
3447 (TYPE_QUAL_VOLATILE): Likewise.
3448 (TYPE_QUAL_RESTRICT): Likewise.
3449 (tree_type): Add restrict_flag. Reduce count of free bits.
3450 (DECL_POINTER_ALIAS_SET): New macro.
3451 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3452 (tree_decl): Add pointer_alias_set.
3453 (build_qualified_type): New function.
3454 (build_type_variant): Define in terms of build_qualified_type.
3455 * tree.c (set_type_quals): New function.
3456 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3457 (build_type_attribute_variant): Use build_qualified_type and
3459 (build_type_variant): Rename, and modify, to become...
3460 (build_qualified_type): New function.
3461 (build_complex_type): Use set_type_quals.
3463 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3464 (C_TYPE_FUNCTION_P): Likewise.
3465 (C_TYPE_INCOMPLETE_P): Likewise.
3466 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3467 (c_apply_type_quals_to_decl): New function.
3468 (c_build_qualified_type): New function.
3469 (c_build_type_variant): Define in terms of c_build_qualified_type.
3470 (flag_isoc9x): Declare.
3471 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3472 (common_type): Change to use TYPE_QUALS.
3473 (comptypes): Likewise.
3474 (convert_for_assignment): Likewise.
3475 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3476 * c-decl.c (flag_isoc9x): Define.
3477 (c_decode_option): Handle -flang-isoc9x.
3478 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3479 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3480 * c-lex.c (init_lex): Deal with restrict.
3481 (init_lex): Don't treat restrict as a reserved word in
3482 -traditional mode, or without -flang-isoc9x.
3483 * c-lex.h (rid): Add RID_RESTRICT.
3484 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3485 equivalent to RID_RESTRICT.
3486 * c-parse.in (TYPE_QUAL): Update comment.
3487 * c-common.c: Include rtl.h.
3488 (c_find_base_decl): New function.
3489 (c_build_type_variant): Rename, and modify, to become ...
3490 (c_build_qualified_type): New function.
3491 (c_apply_type_quals_to_decl): Likewise.
3492 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3493 a particular alias set for the reference.
3494 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3496 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3498 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3499 command line switches.
3501 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3503 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3506 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3508 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3510 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3512 * regclass.c (fix_register): Add error message.
3513 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3516 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3518 * c-decl.c (warn_missing_noreturn): New global variable.
3519 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3520 (finish_function): Implement missing noreturn warning.
3522 * c-tree.h (warn_missing_noreturn): Declare extern.
3524 * invoke.texi: Document new flags.
3526 * toplev.c (documented_lang_options): Add description.
3528 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3530 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3531 loop optimization stable for the C4x.
3532 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3533 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3534 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3536 (c4x_address_conflict): Be more paranoid when packing a volatile
3537 memref in a parallel load/store.
3539 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3541 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3542 repeat_block_filler): Deleted.
3543 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3544 Condition code not set if destination register from 'c' class.
3545 (*subbqi3_carry_clobber): Fix typo.
3547 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3549 * reorg.c (steal_delay_list_from_target) Check for insns that
3550 modify the condition codes and effect the direction of the jump
3553 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3555 * function.c (purge_addressof_1): Replace call to
3556 emit_insns_before() with emit_insn_before().
3558 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3560 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3562 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3564 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3566 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3568 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3569 clobbered across calls.
3571 * loop.c (scan_loop): Be more selective about what invariants are
3572 moved out of a loop.
3574 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3576 * version.c: Bump for snapshot.
3578 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3580 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3581 static eh_context structure.
3583 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3585 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3587 (try_combine): Don't update max_scratch.
3588 * flow.c (max_scratch, num_scratch): Delete variables.
3589 (life_analysis_1): Don't initialize max_scratch.
3590 (propagate_block): Don't update max_scratch.
3591 (mark_set_1): Don't increment num_scratch.
3592 * regs.h (max_scratch): Delete declaration.
3594 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3596 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3597 is nonzero. This is temporary!
3599 * sched.c (update_flow_info): Handle death notes made invalid by
3600 instruction splitting. Partially reverts Oct 15, 1998 patch.
3601 * haifa-sched.c (update_flow_info): Likewise.
3603 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3605 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3606 if it has a nonzero DECL_INITIAL.
3608 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3610 * Makefile.in (flow.o): Depend on recog.h.
3612 * cpplib.h (directive_table): Add missing initializiers.
3613 (finclude): Change type of variable `bsize' to size_t.
3615 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3617 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3619 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3620 `int' when comparing against one.
3621 (cpp_file_line_for_message): Mark parameter `pfile' with
3623 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3625 * flow.c: Include recog.h.
3626 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3628 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3629 `f' with ATTRIBUTE_UNUSED.
3630 (reposition_prologue_and_epilogue_notes): Likewise.
3632 * genopinit.c (gen_insn): Cast argument of ctype functions to
3635 * haifa-sched.c: Include recog.h.
3636 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3637 comparing against one.
3639 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3641 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3643 (parse_ent): Likewise.
3644 (parse_input): Likewise.
3646 * optabs.c (init_libfuncs): Likewise.
3648 * protoize.c (find_rightmost_formals_list): Likewise.
3650 * recog.h (const_double_operand): Fix typo in prototype.
3652 * tlink.c (scan_linker_output): Cast the argument of ctype
3653 function to `unsigned char'.
3655 * toplev.c (check_lang_option): Cast the result of `strlen' to
3656 `int' when comparing against one.
3658 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3660 * gcse.c (dump_cuid_table): Correct typo.
3662 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3664 * toplev.c (display_help): Prepend '-m' to target specific
3666 (check_lang_option): Ignore text after end of first word of a
3667 language specific option.
3669 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3671 * reload1.c (reg_used_by_pseudo): New static variable.
3672 (choose_reload_regs): Initialize it.
3673 Use it instead of testing spill_reg_order to determine whether a
3674 pseudo is live in a hard register across the current insn.
3675 Fix a typo in a reference to reload_reg_rtx.
3677 * flow.c (propagate_block): Replace code that computes and uses
3678 regs_sometimes_live with simpler code that just walks the set of
3679 currently live registers.
3681 * Makefile.in (insn-extract.o): Fix dependencies.
3682 * genextract.c (main): Generate includes for insn-config.h and
3684 Delete generation of declarations which are now in recog.h.
3685 * genrecog.c (main): Delete generation of definitions which are
3687 * local-alloc.c (block_alloc): Use extract_insn and the variables
3688 it sets up instead of looking up values by insn_code.
3689 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3690 recog_dup_num): Define here instead of generating the definition in
3692 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3693 recog_operand_mode, recog_constraints, recog_operand_address_p):
3695 (extract_insn): New function.
3696 * recog.h (extract_insn): Declare function.
3697 (which_alternative, recog_n_operands, recog_n_dups,
3698 recog_n_alternatives, recog_operand_mode, recog_constraints,
3699 recog_operand_address_p): Declare variables.
3700 * regclass.c (n_occurrences): New static function.
3701 * reload.c (n_occurrences): Delete function.
3702 (find_reloads): Use extract_insn.
3703 * reload.h (n_occurrences): Delete declaration.
3705 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3707 * reload1.c (reload_as_needed): Fix test for when to call
3708 update_eliminable_offsets.
3710 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3712 Fix consistency problems with reg_equiv_{mem,address};
3713 Improve reload inheritance;
3715 * reload.c (reload_out_reg): New variable.
3716 (loc_mentioned_in_p, remove_address_replacements): New functions.
3717 (remove_replacements): Deleted.
3718 (push_reload): Set reload_out_reg[i].
3719 When merging, also set reload_{in,out}_reg[i], and remove
3720 duplicate address reloads.
3721 (combine_reloads): Copy reload_out_reg[i].
3722 (find_reloads): Do make_memloc substitution also when
3723 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3725 Include *recog_operand_loc in commutativity operand changes.
3726 Generate optional output reloads.
3727 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3728 processing operands. Call make_memloc in reg_equiv_address code.
3729 Set *recog_operand_loc only after processing operands, and only
3730 if replace is true. Return a value.
3731 When changing address reload types for operands that didn't get
3732 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3733 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3734 Don't emit USEs for pseudo SUBREGs when not replacing.
3735 (find_reloads_address): Do make_memloc substitution also when
3736 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3738 (find_reloads_toplev): Likewise.
3739 Call make_memloc in reg_equiv_address code.
3740 (debug_reload_to_stream): Add code to output reload_out_reg.
3741 (make_memloc): Delete local variable i, ifdefed out code, and
3742 references to memlocs and n_memlocs.
3743 (memlocs, n_memlocs): Delete.
3744 (push_secondary_reload): Clear reload_out_reg.
3745 (find_reloads_address_1): Provide memrefloc argument to all calls
3746 to find_reloads_address.
3747 In AUTO_INC code, handle non-directly addressable equivalences properly.
3748 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3749 (find_reloads): Add return type.
3750 (remove_address_replacements, deallocate_reload_reg): Declare.
3751 * reload1.c (num_not_at_initial_offset): No longer static.
3752 (delete_address_reloads, delete_address_reloads_1): Likewise.
3753 (deallocate_reload_reg): New function.
3754 (spill_reg_stored_to): New array.
3755 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3756 (eliminate_regs_in_insn): Move assignments of previous_offset and
3757 max_offset fields, and recalculation of num_not_at_initial_offset
3758 into new static function:
3759 (update_eliminable_offsets) .
3760 (reload_as_needed): Call update_eliminable_offsetss after calling
3762 Call forget_old_reloads_1 with contents of reloaded auto_inc
3763 expressions if the actual addressing can't be changed to match the
3765 (choose_reload_regs): For inheritance, replace
3766 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3767 remove stand-alone reload_reg_used_at_all test.
3768 Use reload_out_reg to determine which reload regs have output reloads.
3769 Treat reload_override_in more similar to inherited reloads.
3770 Handle (subreg (reg... for inheritance.
3771 For flag_expensive_optimizations, add an extra pass to remove
3772 unnecessary reloads from known working inheritance.
3773 Delete obsolete code for pseudos replaced with MEMs.
3774 Handle inheritance from auto_inc expressions.
3775 (emit_reload_insns): If reload_in is a MEM, set OLD to
3777 Don't reload directly from oldequiv; if it's a pseudo with a
3778 stack slot, use reload_in[j].
3779 Check that reload_in_reg[j] is a MEM before replacing reload_in
3780 from reg_reloaded_contents.
3781 Include non-spill registers in reload inheritance processing.
3782 Also try to use reload_out_reg to set spill_reg_store /
3783 reg_last_reload_reg.
3784 In code to set new_spill_reg_store, use single_set to find out if
3785 there is a single set.
3786 Add code that allows to delete optional output reloads.
3787 Add code to allow deletion of output reloads that use no spill reg.
3788 At the end, set reload_override_in to oldequiv.
3789 Also call delete_output_reload if reload_out_reg is equal to old
3791 Add code to call delete_output_reload for stores with no matching load.
3792 Set / use spill_reg_stored_to.
3793 Handle case where secondary output reload uses a temporary, but
3794 actual store isn't found.
3795 When looking for a store of a value not loaded in order to call
3796 delete_output_reload, count_occurences should return 0 for no
3797 loads; but discount inherited input reloadill_reg_stored_to.
3798 Do checks for extra uses of REG. Changed all
3800 Use delete_address_reloads.
3801 (reload): Take return value of find_reloads into account.
3802 If a no-op set needs more than one reload, delete it.
3803 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3804 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3805 for the same operand.
3806 (clear_reload_reg_in_use): Check for other reloads that keep a
3808 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3809 RELOAD_FOR_OPADDR_ADDR.
3810 Take into account when an address address reload is only needed
3811 for the address reload we are considering.
3812 (count_occurrences): Use rtx_equal_p for MEMs.
3813 (inc_for_reload): Return instruction that stores into RELOADREG.
3814 New argument two, IN, and rtx. Changed all callers.
3815 (calculate_needs_all_insns, reload_as_needed):
3816 Don't clear after_call for a CLOBBER.
3817 Keep track of how many hard registers need to be copied from
3818 after_call, and don't clear after_call before we have seen
3819 that much copies, or we see a different instruction.
3821 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3823 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3824 after reload has completed.
3826 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3828 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3829 a macro name and the next token with a single blank if that whitespace
3830 is in a macro buffer and the next token is not '('.
3832 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3834 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3836 (skip_if_group): Ditto.
3837 (skip_to_end_of_comment): Ditto.
3839 (discard_comments): Ditto.
3840 (change_newlines): Ditto.
3842 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3844 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3846 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3848 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3849 (TARGET_OPTIONS): Add --help documentation.
3851 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3853 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3855 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3857 * fixinc/* Moved in from ../contrib directory in preparation
3858 for integrating it into the normal build process. In particular,
3859 fixinc/Makefile.in must be config-ed into the build directory
3860 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3861 ./configure.in will be "in the mail" momentarily.
3863 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3865 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3866 accidently walk into the free list. Comment how that can happen.
3867 (invalidate): Fix indentation.
3869 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3870 Jeffrey A Law (law@cygnus.com)
3872 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3873 reload. Never perform rescans of the insn chain after reload.
3874 (propagate_block): Do not delete insn or create new autoinc addressing
3877 * jump.c (jump_optimize): Unconditionally use the code that was
3878 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3879 * reload1.c (reload): When reloading is finished, delete all
3880 REG_DEAD and REG_UNUSED notes.
3881 (emit_reload_insns): Delete all code that was conditional on
3882 PRESERVE_DEATH_INFO_REGNO_P.
3883 (no_longer_dead_regs): Delete variable.
3884 (reload_cse_delete_death_notes): Delete function.
3885 (reload_cse_no_longer_dead): Delete function.
3886 (reload_cse_regs_1): Delete all code to handle deletion of death
3888 (reload_cse_noop_set_p): Likewise.
3889 (reload_cse_simplify_set): Likewise.
3890 (reload_cse_simplify_operands): Likewise.
3891 (reload_cse_move2add): Likewise.
3892 * reorg.c (used_spill_regs): Delete declaration.
3893 (max_label_num_after_reload): Delete declaration.
3894 (find_dead_or_set_registers): Don't assume that spill regs are
3895 dead at a CODE_LABEL.
3896 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3898 * sched.c (sched_analyze_insn): Likewise.
3899 (update_flow_info): Likewise.
3900 * haifa-sched.c (sched_analyze_insn): Likewise.
3901 (update_flow_info): Likewise.
3902 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3903 * toplev.c (max_label_num_after_reload): Delete variable.
3904 (rest_of_compilation): Don't set max_label_num_after_reload.
3905 Call life_analysis after reload_cse_regs if optimizing.
3906 * config/gmicro/gmicro.h: Delete comment referring to
3907 PRESERVE_DEATH_INFO_REGNO_P.
3908 * config/i386/i386.h: Likewise.
3909 * config/m88k/m88k.h: Likewise.
3910 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3911 * config/sh/sh.h: Likewise.
3913 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3915 * loop.c (strength_reduce): Restore marking bct_p as
3917 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3918 HAVE_decrement_and_branch_on_count.
3919 (small_data_operand): Remove TARGET_ELF condition for marking
3920 parameters ATTRIBUTE_UNUSED.
3922 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3924 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3925 (SELECT_SECTION): Resync with svr4.h.
3927 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3929 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3932 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3934 * c-pragma.c (handle_pragma_token): Test for null tree before
3935 dereferencing TREE_CODE.
3937 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3939 * config/c4x/c4x.c: Convert to use GEN_INT.
3940 (c4x_parallel_process): Rework to handle new repeat loop structure.
3942 * config/c4x/c4x.md: Convert to use GEN_INT.
3943 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3944 (decrement_and_branch_on_count): Likewise.
3946 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3947 loop.c has the desired functionality.
3948 (rc_reg_operand): New prototype.
3950 * config/c4x/t-c4x: Can now build all front ends.
3952 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3954 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3956 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3958 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3959 * config/t-rtems: Do not install assert.h -- use newlib's.
3961 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3963 * combine.c (combine_instructions): When finished, call init_recog.
3964 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3966 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3968 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3970 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3972 * cppalloc.c (memory_full): Mark function prototype with
3975 * demangle.h (collect_exit): Likewise.
3977 * fix-header.c (v_fatal, fatal): Likewise.
3979 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3982 * gcov.c (print_usage): Likewise.
3984 * genattr.c (fatal, fancy_abort): Likewise.
3986 * genattrtab.c (fatal, fancy_abort): Likewise.
3988 * gencodes.c (fatal, fancy_abort): Likewise.
3990 * genconfig.c (fatal, fancy_abort): Likewise.
3992 * genemit.c (fatal, fancy_abort): Likewise.
3994 * genextract.c (fatal, fancy_abort): Likewise.
3996 * genflags.c (fatal, fancy_abort): Likewise.
3998 * genopinit.c (fatal, fancy_abort): Likewise.
4000 * genoutput.c (fatal, fancy_abort): Likewise.
4002 * genpeep.c (fatal, fancy_abort): Likewise.
4004 * genrecog.c (fatal, fancy_abort): Likewise.
4006 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4007 __sjpopnthrow, __throw): Likewise.
4009 * objc/objc-act.c (objc_fatal): Likewise.
4011 * protoize.c (usage, aux_info_corrupted,
4012 declare_source_confusing): Likewise.
4014 * rtl.c (dump_and_abort): Likewise.
4016 * rtl.h (sets_cc0_p): Likewise.
4018 * toplev.c (float_signal, pipe_closed): Likewise.
4020 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4022 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4023 when generating the decision tree for the general case.
4025 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4026 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4028 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4030 * Makefile.in (sched.o): Depend on recog.h.
4032 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4033 (unsigned) when comparing against one.
4034 (find_base_value): Likewise.
4035 (record_base_value): Cast variable `regno' to (unsigned) when
4036 comparing against one. Cast the result of REGNO() macro to
4037 (unsigned) when comparing against one.
4038 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4040 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4041 variable where an unsigned index is needed.
4043 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4044 before comparing against one.
4046 * collect2.c: Add prototypes for functions `error', `fatal' and
4047 `fatal_perror'. Make these functions take variable arguments
4048 instead of faking it with a fixed number of args.
4049 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4052 * combine.c (can_combine_p): Mark parameter `pred' with
4054 (find_split_point): Cast variable `src' to (unsigned
4055 HOST_WIDE_INT) when comparing against one.
4056 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4057 (simplify_logical): Likewise.
4058 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4059 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4060 HOST_WIDE_INT) in shift.
4061 (simplify_and_const_int): Cast result of INTVAL() macro to
4062 `unsigned HOST_WIDE_INT' when comparing against one.
4063 (merge_outer_ops): Cast variable const0 to `unsigned
4064 HOST_WIDE_INT' when comparing against the result of
4065 GET_MODE_MASK() macro.
4066 (simplify_comparison): Likewise for variable `c0'. Cast variable
4067 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4068 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4069 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4070 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4071 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4072 comparing against one.
4073 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4075 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4076 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4077 (output_block_move): Cast `sizeof' expression to (int) when
4078 comparing against one.
4079 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4081 (save_restore_insns): Cast `base_offset' to `long' to match format
4082 specifier in fprintf.
4084 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4085 to `enum machine_mode'.
4087 * flow.c (life_analysis_1): Remove unused variable `insn'.
4089 * gcc.c (translate_options): Move variables `j' and `k' into the
4090 scope in which they are used. Change their types to `size_t'.
4091 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4092 (read_specs): Likewise.
4093 (process_command): Cast `sizeof' to (int) when comparing against one.
4094 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4095 (handle_braces): Cast both sides of `==' expression to `long' to
4096 ensure sign matching.
4097 (main): Cast variable `i' to `int' when comparing against one.
4099 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4100 int to size_t. Cast variable `i' to size_t when comparing against
4103 * genattrtab.c (convert_set_attr_alternative): Remove unused
4104 parameter `insn_code'. All callers changed.
4105 (convert_set_attr): Likewise.
4107 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4108 size_t when comparing against one. Likewise for variable `len'.
4110 * global.c (global_alloc): Cast variable `max_regno' to size_t
4111 when comparing against one. Likewise for variable `max_allocno'.
4113 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4115 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4116 `set' with ATTRIBUTE_UNUSED.
4117 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4120 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4121 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4122 (get_condition): Cast variable `const_val' to `unsigned
4123 HOST_WIDE_INT' when comparing against one. Cast unsigned
4124 expression to HOST_WIDE_INT when comparing against one.
4125 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4126 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4127 `unsigned' when comparing against one.
4129 * protoize.c (is_id_char): Change type of parameter `ch' to
4131 (munge_compile_params): Cast argument of ctype macro to (const
4133 (process_aux_info_file): Cast variable `aux_info_size' to int when
4134 comparing against one.
4135 (forward_to_next_token_char): Cast argument of ctype macro to
4136 `const unsigned char'.
4137 (edit_formals_lists): Likewise.
4138 (find_rightmost_formals_list): Likewise.
4139 (add_local_decl): Likewise.
4140 (add_global_decls): Likewise.
4141 (edit_fn_definition): Likewise.
4142 (do_cleaning): Likewise.
4143 (scan_for_missed_items): Likewise.
4144 (edit_file): Cast variable `orig_size' to (int) when comparing
4146 (main): Cast argument of ctype macro to `const unsigned char'.
4148 * recog.c (const_int_operand): Mark parameter `mode' with
4151 * regclass.c (record_reg_classes): Change type of variable `c' to
4152 `unsigned char'. Cast `char' array index to `unsigned char'.
4154 * reload.c (push_secondary_reload): Cast argument to
4155 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4157 * reload1.c (calculate_needs): Cast `char' array index to
4159 (set_label_offsets): Change type of variable `i' to unsigned int.
4160 Cast result of XVECLEN() macro to unsigned when comparing against
4162 (mark_not_eliminable): Change type of variable `i' to unsigned.
4163 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4164 when comparing against one.
4165 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4166 comparing against one.
4167 (choose_reload_regs): Hide unused label `fail'.
4168 (reload_cse_simplify_operands): Cast `char' array index to
4170 (reload_combine_note_store): Mark parameter `set' with
4171 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4173 (reload_cse_move2add): Remove unused variable `src2'.
4175 * sched.c: Include recog.h.
4176 (sched_note_set): Remove unused parameter `b'. All callers
4178 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4179 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4180 when comparing against one.
4182 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4183 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4184 comparing against one.
4186 * unroll.c (precondition_loop_p): Remove unused parameter
4187 `loop_end'. All callers changed.
4189 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4191 * reload1.c (maybe_fix_stack_asms): New static function.
4194 * reload.h (compute_use_by_pseudos): Declare.
4196 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4197 (something_needs_reloads): Delete variable.
4198 (finish_spills): New function.
4199 (compute_use_by_pseudos): New function.
4201 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4202 Use the reload_insn_chain instead of walking the rtl directly.
4204 (reload): Allocate and free spilled_pseudos.
4205 Ensure that all calls of spill_hard_reg are followed by a call to
4207 Use the insns_need_reload list instead of something_needs_reloads
4208 to find out if reload_as_needed must be called.
4209 Clear unused_insn_chains at the end.
4211 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4213 Delete code to keep track of current basic block.
4214 Walk reload_insn_chain instead of the rtl structure. Build the
4215 insns_need_reload chain.
4216 Remember which insns need reloading/elimination by setting the
4217 appropriate fields in struct insn_chain, not by putting modes on the
4220 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4221 arg INSN. All callers changed.
4222 Delete declaration of struct needs.
4223 Don't set something_needs_reloads.
4224 Record insn needs in the CHAIN argument.
4226 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4228 (reload_as_needed): Lose FIRST arg. All callers changed.
4229 Walk the reload_insn_chain instead of the rtx structure.
4230 Delete code to keep track of current basic block.
4231 Rename one of the NEXT variables to OLD_NEXT.
4233 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4235 (choose_reload_regs): Likewise.
4237 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4240 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4241 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4242 (hard_regs_live, hard_regs_need_restore): Delete variables.
4243 (n_regs_saved): Now static.
4244 (referenced_regs, this_insn_sets): New variables.
4246 (setup_save_areas): Restructure the code a bit.
4248 (restore_referenced_regs): Delete function.
4249 (mark_referenced_regs): New function, similar to the old
4250 restore_referenced_regs, but mark registers in referenced_regs.
4252 (clear_reg_live): Delete function.
4253 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4254 Only mark registers in this_insn_sets.
4256 (save_call_clobbered_regs): Rework this function to walk the
4257 reload_insn_chain instead of using the list of instructions directly.
4258 Delete code to keep track of register lives, compute live regs on the
4259 fly from information in the chain.
4260 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4261 then walk the set it computes and call insert_restore as appropriate.
4263 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4265 Restructure the code a bit. Test hard_regs_saved instead of
4266 hard_regs_need_restore.
4267 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4268 args. All callers changed.
4269 Restructure the code a bit. Use TO_SAVE to determine which regs to
4270 save instead of more complicated test.
4271 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4273 Create a new insn_chain structure for the new insn and place it
4276 * rtl.texi: Update documentation to reflect that reload no longer
4277 puts modes on the insns.
4279 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4281 * function.c (purge_addressof_1): Force the first argument of a
4282 CALL insn to memory.
4284 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4286 * rtl.h: Delete duplicate prototypes. Add some missing
4288 * rtlanal.c: (for_each_rtx): Formatting tweak.
4290 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4292 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4293 to be compatible with TI compiler.
4295 * Makefile.in (USER_H): Add va-c4x.h to definition.
4297 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4299 * function.c (purge_addressof_1): Fix typo in inequality: do
4300 bitfield optimization for equal mode sizes.
4301 * expmed.c (store_bit_field): Don't take subregs of subregs in
4302 the movstrict case. Tidy a potential problem in the multi-word case.
4303 (extract_bit_field): Likewise.
4305 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4307 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4309 Compute max_uid_for_flow by calling get_max_uid after the scan.
4310 (find_basic_blocks_1): Don't emit NOPs here.
4312 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4314 * alias.c (base_alias_check): Accept new args for the modes of the
4315 two references. Use them to determine if an AND can overlap. Update
4317 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4318 to determine if an AND can overlap.
4320 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4322 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4323 check. Add comment to document problems with TARGET_SUN_FPA version
4325 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4327 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4329 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4331 * c-common.c (print_char_table): Add missing initializers.
4332 (scan_char_table): Likewise.
4333 (time_char_table): Likewise.
4335 * c-decl.c (c_decode_option): Mark parameter `argc' with
4337 (declare_parm_level): Mark parameter `definition_flag' with
4340 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4341 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4344 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4346 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4348 (expand_call): Cast result of MIN() to (unsigned int) when
4349 comparing against an unsigned value.
4351 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4353 (make_definition): Remove unused parameter `op'. All callers
4355 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4356 comparing against the result of pointer arithmetic.
4358 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4359 when comparing against one.
4361 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4362 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4364 (output_die): Move variable `i' into the scope in which it is
4365 used. Change its type to `unsigned'.
4366 (output_die): Cast the result of `strlen' to (int) when passing it
4367 to ASM_OUTPUT_ASCII().
4368 (output_pubnames): Likewise.
4369 (output_line_info): Likewise.
4371 * emit-rtl.c (global_rtl): Add missing initializers.
4373 * explow.c (promote_mode): Mark parameter `for_call' with
4376 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4377 `unsigned HOST_WIDE_INT' when comparing against one.
4378 (synth_mult): Change type of variable `cost' to int.
4379 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4381 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4382 when comparing against one.
4383 (get_inner_reference): Change variable `alignment' to unsigned.
4384 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4385 int) when comparing against one.
4386 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4388 * fold-const.c (div_and_round_double): Cast BASE to
4389 (HOST_WIDE_INT) when comparing against one.
4391 * gencheck.c: Include gansidecl.h.
4392 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4394 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4395 `tcode' with ATTRIBUTE_UNUSED.
4397 * real.c (edivm): Cast constant value to (unsigned long) in
4398 expression compared against an unsigned value.
4400 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4401 comparing against one.
4402 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4403 when comparing against one.
4405 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4406 (unsigned int) when comparing against one. Likewise for
4408 (smallest_mode_for_size): Likewise.
4409 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4410 (restore_storage_status): Likewise.
4412 * toplev.c (debug_args): Add missing initializer.
4413 (f_options): Spelling correction. Add missing initializers.
4414 (documented_lang_options): Likewise.
4415 (debug_end_source_file): Mark parameter `lineno' with
4418 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4419 `decl' and `type' with ATTRIBUTE_UNUSED.
4421 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4422 when comparing against one.
4423 (assemble_variable): Mark parameter `top_level' with
4425 (assemble_external_libcall): Mark parameter `fun' with
4427 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4430 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4432 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4433 Replace use of r5 with use of r19.
4435 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4437 * config/v850/v850.c (compute_register_save_size): Allow for the
4438 fact that helper functions save all registers, not just those used
4441 Replace constant 31 with macro LINK_POINTER_REGNUM.
4443 * config/v850/v850.md: Use 'indirect_operand' rather than
4444 'memory_operand' for bit test/set/clear patterns.
4446 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4448 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4449 * varasm.c (assemble_start_function et al): Don't call
4450 ASM_GLOBALIZE_LABEL for weak symbols.
4452 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4454 * cse.c (equiv_constant): Check for NULL return from
4455 gen_lowpart_if_possible().
4457 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4459 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4461 * collect2.c (main): Pass -EL/-EB through to the compiler.
4463 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4465 * expr.c (push_block): Handle targets where the stack grows
4466 to higher addresses, but args grow to lower addresses and
4467 ACCUMULATE_OUTGOING_ARGS is not defined.
4469 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4471 * config/v850/v850.c (print_operand): Extend meaning
4472 of 'c' operands to support .vtinherit.
4474 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4476 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4477 Added ATTRIBUTE_UNUSED to unused function arguments.
4478 (rc_reg_operand): New predicate.
4479 (c4x_rptb_insert): New function.
4480 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4481 (c4x_optimization_options): New function.
4483 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4484 (decrement_and_branch_on_count): New pattern.
4485 (rptb_top): Modified pattern to work with BCT optimization.
4487 * config/c4x/c4x.h (RC_REG): New register class.
4488 (rc_reg_operand): Define prototype.
4489 (IS_RC_REG): New macro.
4490 (IS_RC_OR_PSEUDO_REG): New macro.
4491 (IS_RC_OR_PSEUDO_REGNO): New macro.
4492 (OPTIMIZATION_OPTIONS): Define.
4494 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4496 * collect2.c (extract_init_priority): No priority is 65535.
4498 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4500 * Makefile.in (build_tooldir): new variable, same as old
4501 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4502 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4503 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4505 * configure.in (gxx_include_dir): set default based on unlibsubdir
4506 * Makefile.in (tooldir): ditto
4507 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4508 gxx_include_dir, includedir and tooldir
4509 (protoize.o, unprotoize.o): ditto
4511 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4513 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4515 * config/arm/thumb.c (thumb_override_options): Add warning about
4516 PIC code not being supported just yet.
4518 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4520 * flow.c: Update comment.
4521 (notice_stack_pointer_modification): New static function.
4522 (record_volatile_insns): Use it.
4523 (mark_regs_live_at_end): Mark the stack pointer as alive
4524 at the end of the function if current_function_sp_is_unchanging
4526 (life_analysis_1): Set current_function_sp_is_unchanging.
4527 * function.c: Define it.
4528 (init_function_start): Initialize it.
4529 * output.h: Declare it.
4530 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4531 the stack pointer as alive at the end of the function if
4532 current_function_sp_is_unchanging is set.
4533 * i386.c (ix86_epilogue): Optimize the restoring
4534 of the stack pointer.
4536 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4538 * version.c: Bump for snapshot.
4540 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4542 * c-pragma.c (handle_pragma_token): If passed a token instead
4543 of a tree, use that as the pack value.
4545 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4547 * flow.c (find_basic_blocks_1): Fix prototype.
4549 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4551 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4552 (struct tree_decl): New fields no_check_memory_usage.
4553 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4554 (init_attributes): Register it as a new attribute.
4555 (decl_attributes): Set flags on functions given that attribute.
4556 * c-decl.c (duplicate_decls): Merge new attribute.
4557 * expr.h (current_function_check_memory_usage): Declare new var.
4558 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4559 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4560 current_function_check_memory_usage.
4561 * function.h: Add field to struct function.
4562 * function.c (current_function_check_memory_usage): Define it.
4563 (push_function_context_to, pop_function_context_from): Save and
4565 (expand_function_start): Set it, based on global flag and function
4568 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4569 check non-automatic variables, to permit detection of writes to
4570 read-only locations in embedded systems without memory management.
4571 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4572 when emitting chkr_set_right_libfunc call, even if the argument is
4573 BLKmode or variable-sized; don't abort.
4575 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4576 symbols in Pmode, not VOIDmode.
4578 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4580 * cppexp.c: When forcing unsigned comparisons, cast both sides
4583 * cpphash.h: Move static declaration of hashtab[]...
4584 * cpphash.c: ...here.
4586 * cpplib.c: Cast difference of two pointers to size_t before
4587 comparing it to size_t. Cast signed to unsigned
4588 before comparing to size_t. (FIXME: struct argdata should use
4589 unsigned buffer sizes.)
4590 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4591 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4592 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4593 size_t before comparison.
4595 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4597 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4598 (find_basic_blocks_1): Similarly.
4599 * output.h (find_basic_blocks): Fix prototype.
4600 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4601 find_basic_blocks anymore.
4603 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4605 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4606 (sbitmap_free, sbitmap_vector_free): New macros.
4607 * output.h (rtl_dump_file): Declare.
4609 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4611 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4613 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4615 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4617 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4618 (divide): Remove unused variable `tmp'.
4619 (si_to_float): Cast numeric constant to (SItype) before comparing
4622 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4624 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4625 * gcc.c (add_preprocessor_option): Correct typo when allocating
4626 memory, sizeof() argument had one too many `*'.
4627 (add_assembler_option): Likewise.
4628 (add_linker_option): Likewise.
4629 * gcov.c (output_data): Likewise.
4630 * local-alloc.c (memref_used_between_p): Likewise.
4631 (update_equiv_regs): Likewise.
4632 * loop.c (strength_reduce): Likewise.
4633 * reg-stack.c (record_asm_reg_life): Likewise.
4634 (subst_asm_stack_reg): Likewise.
4635 * reorg.c (dbr_schedule): Likewise.
4637 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4639 * flow.c (life_analysis_1): Break out some functions.
4640 (find_basic_blocks_1): Likewise. Also move some variables out and
4642 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4643 new static var nonlocal_label_list with it.
4644 (active_eh_region, nested_eh_region, label_value_list,
4645 nonlocal_label_list): New static variables.
4646 (make_edges, delete_unreachable_blocks, delete_block): New static
4647 functions, broken out of find_basic_blocks_1.
4648 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4649 noop_move_p): New static functions, broken out of life_analysis_1.
4651 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4653 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4654 Take extra care for op0 now possibly being a subreg.
4655 (extract_bit_field): Likewise.
4656 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4657 the reg to memory if there is no equal sized integral mode.
4658 * stor-layout.c (int_mode_for_mode): New function.
4659 * machmode.h: Prototype it.
4661 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4663 * global.c (build_insn_chain): Verify no real insns exist past the
4664 end of the last basic block, then exit the loop.
4666 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4668 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4670 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4672 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4674 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4676 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4678 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4680 * flow.c (find_basic_blocks): Correctly determine when a call
4681 is within an exception region.
4683 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4685 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4687 * cpplib.h: Protect from multiple inclusions.
4688 * cpplib.c: Fix minor formatting problems.
4690 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4692 * jump.c (jump_optimize): Revert accidental patch.
4694 * Makefile.in (cpplib.o): Use unlibsubdir.
4696 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4698 * loop.c (get_condition): Allow combine when either compare is
4701 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4703 * version.c: Bump for snapshot.
4705 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4707 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4708 (init_lex): Initialize ridpointers[RID_BYREF].
4709 * c-lex.h (enum rid): Add RID_BYREF.
4710 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4711 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4712 (encode_type_qualifiers): Similarly
4713 * c-gperf.h: Rebuilt.
4715 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4717 * c-common.c (type_for_mode): Only return TItype nodes when
4718 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4719 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4720 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4721 (init_decl_processing): Only create TItype nodes when
4722 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4723 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4724 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4726 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4728 * stmt.c (n_occurrences): New static function.
4729 (expand_asm_operands): Verify that all constrains match in the
4730 number of alternatives.
4731 Verify that '+' or '=' are at the beginning of an output constraint.
4732 Don't allow '&' for input operands.
4733 Verify that '%' isn't written for the last operand.
4734 * reload.c (find_reloads): Abort if an asm is found with invalid
4735 constraints; all possible problems ought to be checked for earlier.
4737 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4739 * flags.h (flag_branch_on_count_reg): Always declare
4740 * toplev.c (flag_branch_on_count_reg): Likewise.
4741 * toplev.c: Fix typos.
4743 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4746 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4748 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4750 (find_basic_blocks_1): Add a nop to the end of a basic block when
4751 a trailing call insn does not have abnormal control flow.
4752 * gcse.c (pre_transpout): New variable.
4753 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4754 (compute_pre_transpout): Calculate it.
4755 (compute_pre_ppinout): Use it to eliminate impossible placements
4756 due to abnormal control flow through calls.
4757 (compute_pre_data): Call compute_pre_transpout.
4759 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4761 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4763 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4765 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4766 and matching define_insns): Tack on a `use' of the table label, so
4767 flow analysis will recognize a tablejump.
4769 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4771 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4772 always end basic blocks for abnormal edge reasons.
4774 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4776 * config/i386/i386.h: Remove definition of
4777 HANDLE_PRAGMA_PACK_PUSH_POP.
4779 * config/i386/go32.h: Add definition of
4780 HANDLE_PRAGMA_PACK_PUSH_POP.
4782 * config/i386/win32.h: Add definition of
4783 HANDLE_PRAGMA_PACK_PUSH_POP.
4785 * config/i386/cygwin32.h: Add definition of
4786 HANDLE_PRAGMA_PACK_PUSH_POP.
4788 * c-pragma.c (insert_pack_attributes): Do not insert
4789 attributes unless #pragma pack(push,<n>) is in effect.
4791 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4793 * expr.c (emit_group_store): Handle a PARALLEL destination.
4795 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4797 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4798 the new insns before the argument regs are loaded.
4800 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4802 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4803 (c-parse.gperf): Update comments describing invocation flags.
4804 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4806 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4808 * reload1.c (reload): Call free before clobbering the memory
4809 locations or constants pointers.
4811 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4813 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4814 for efficiency by checking whether we need to modify the current
4815 stack permission at all.
4816 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4817 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4818 __enable_execute_stack libcall here too if
4819 TRANSFER_FROM_TRAMPOLINE is defined.
4820 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4823 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4825 * Makefile.in (DRIVER_DEFINES): Remove last change.
4827 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4829 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4830 insns we're going to copy.
4831 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4833 * loop.c (count_one_set): Add prototype.
4835 * caller-save.c (restore_referenced_regs): Lose mode argument.
4836 (insert_save): Lose mode argument.
4837 (insert_restore): Lose mode argument.
4838 (insert_one_insn): Lose mode argument.
4839 (save_call_clobbered_regs): Lose mode argument.
4840 (setup_save_areas): Take no argument and return void. All callers
4842 Don't verify validity of memory addresses.
4843 * reload.h (setup_save_ares): Adjust prototype.
4844 (save_call_clobbered_regs): Likewise.
4845 * reload1.c (delete_caller_save_insns): New function.
4846 (caller_save_spill_class): Delete variable.
4847 (caller_save_group_size): Delete variable.
4848 (reload): Call setup_save_areas and save_call_clobbered_regs
4849 in the main loop, before calling calculate_needs_all_insns.
4850 Don't call save_call_clobbered_regs after the loop.
4851 Call delete_caller_save_insns at the end of an iteration if
4853 Delete code to manage caller_save_spill_class.
4854 Emit the final note before setting reload_first_uid.
4855 Simplify test that determines whether reload_as_needed gets run.
4856 (calculate_needs): Delete code to manage caller_save_spill_class.
4858 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4860 * collect2.c (main): Initialize ld_file_name.
4862 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4864 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4865 check for flag_function_sections.
4867 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4869 * cse.c (insert_regs): Fix bug in Sep 24 change.
4871 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4873 * flags.h (flag_dump_unnumbered): Declare.
4874 * toplev.c (flag_dump_unnumbered): Don't declare.
4875 * print-rtl.c (flags.h): Include.
4876 (print_rtl_single): Add return value.
4877 * rtl.h (print_rtl_single): Update declaration.
4878 * flow.c (flag_dump_unnumbered): Don't declare.
4879 (print_rtl_with_bb): Use return value of print_rtl_single.
4881 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4883 * loop.c (count_one_set): New static function, broken out of
4885 (count_loop_regs_set): Call it.
4886 * global.c (mark_reg_store): Handle clobbers here by not calling
4888 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4889 is in fact a clobber.
4890 * integrate.c (process_reg_param): New function, broken out of
4891 expand_inline_function.
4892 (expand_inline_function): Call it.
4895 * i386.md (addsidi3_1): Delete unused variable temp.
4896 (addsidi3_2): Likewise.
4897 (clstrstrsi): Delete unused variable addr1.
4899 * rtl.h: Don't declare any functions also declared in recog.h.
4901 * Makefile.in (stupid.o): Update dependencies.
4902 (global.o): Likewise.
4904 * global.c: Include reload.h
4905 (reg_becomes_live): New function.
4906 (reg_dies): New function.
4907 (build_insn_chain): New function.
4908 (global_alloc): Call build_insn_chain before calling reload.
4910 * reload.h (struct needs): New structure definition.
4911 (struct insn_chain): Likewise.
4912 (reload_insn_chain): Declare variable.
4913 (new_insn_chain): Declare function.
4916 * reload1.c (reload_startobj): New variable.
4917 (reload_insn_chain): New variable.
4918 (unused_insn_chains): New variable.
4919 (new_insn_chain): New function.
4920 (init_reload): Initialize reload_startobj, not reload_firstobj.
4921 (reload): Initialize reload_firstobj.
4922 Before returning, free everything on the reload_obstack.
4924 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4925 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4926 current_chain): New variables.
4927 (reg_where_born): Delete variable.
4928 (REG_WHERE_BORN): New macro.
4929 (find_clobbered_regs): New function.
4930 (stupid_life_analysis): Don't allocate/free reg_where_born.
4931 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4932 reg_where_dead_chain.
4933 Use REG_WHERE_BORN instead of reg_where_born.
4934 While processing the insns, build the reload_insn_chain with
4935 information about register lifetimes.
4936 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4937 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4939 Compute and information about birth and death of pseudo registers in
4940 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4941 Delete code to set elements of reg_where_born.
4943 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4945 * tree.def (GOTO_EXPR): Modified documentation.
4946 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4949 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4951 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4952 loop_final_value, loop_comparison_code): No longer static.
4953 (unroll_loop): Delete loop_start_value update.
4954 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4955 loop_final_value, loop_comparison_code): Extern.
4956 (loop_start_value): Delete extern.
4957 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4958 loop_comparison_value, loop_comparison_code): Delete.
4959 (loop_optimize): Remove initialization for deleted variables.
4960 (strength_reduce): Delete analyze_loop_iterations call. Only call
4961 insert_bct if flag_branch_count_on_reg set.
4962 (analyze_loop_iterations): Delete.
4963 (insert_bct): Remove iteration count calculation. Move checks for
4964 viable BCT optimization to here. Obtain iteration count from
4965 loop_iterations and correct for unrolling. Check for enough
4966 iteration to be beneficial. Comment out runtime iteration count
4968 (insert_bct): Print iteration count in dump file. Remove
4969 loop_var_mode and use word_mode directly.
4971 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4972 * rs6000.c (rs6000_override_options): Use it.
4973 (optimization_options): Enable use of flag_branch_on_count_reg.
4974 * rs6000.md (define_function_unit): Describe 604e.
4976 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4978 * loop.c (move_movables): Corrected threshold calculation for
4979 moved_once registers.
4981 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4983 * loop.c (combine_givs_p): Fix test for identical givs.
4985 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4987 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4988 call abort if the function is already defined.
4990 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4992 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4993 truncation is not a no-op.
4995 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4997 * version.c: Bump for snapshot.
4999 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5001 * version.c: Bump for snapshot.
5003 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5005 * expmed.c (expand_divmod): Don't widen for computing remainder
5006 if we seem to have a divmod pattern for needed mode.
5008 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5010 * cpplib.c (macroexpand): Correct off-by-one error in handling
5013 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5015 * combine.c (expand_field_assignment): Don't do bitwise operations
5016 on MODE_FLOAT; pun to MODE_INT if possible.
5018 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5019 scott snyder <snyder@d0sgif.fnal.gov>
5021 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5022 linker. Recognize mangled names in quotes.
5024 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5026 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5027 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5028 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5029 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5031 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5033 * function.c (purge_addressof_1): If trying to take a sub-word
5034 integral piece of a floating point mode, put it on the stack.
5036 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5038 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5040 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5042 * PROJECTS: Remove template friends.
5044 * collect2.c (sort_ids): Remove unused variable.
5046 * tm.texi (MATH_LIBRARY): Document.
5047 (NEED_MATH_LIBRARY): Remove.
5049 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5050 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5052 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5054 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5055 last_end to 0x7fffffff.
5057 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5059 * function.c (purge_addressof_1): Do not perform endianness
5060 corrections on bitpos, who we call will do it for us.
5062 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5064 * h8300.c (WORD_REG_USED): Fix typo.
5065 (initial_offset): Use WORD_REG_USED.
5067 * h8300.c (handle_pragma): Fix typo.
5069 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5071 * caller-save.c (insert_save_restore): Break this function up
5072 into new functions insert_restore, insert_save and insert_one_insn.
5073 All callers changed.
5074 (insert_restore): New function, mostly broken out of
5075 insert_save_restore.
5076 (insert_save): Likewise.
5077 (insert_one_insn): Likewise.
5078 (restore_referenced_regs): New argument BLOCK. All callers changed.
5079 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5080 in this function, do it in insert_one_insn instead.
5082 * reload1.c (reload): Break out some more pieces into separate
5084 (dump_needs): New function, broken out of reload.
5085 (set_initial_elim_offsets): Likewise.
5086 (init_elim_table): Likewise.
5087 (update_eliminables): Likewise.
5089 * global.c (global_alloc): Delete code to manage the scratch_list.
5090 * local-alloc.c (qty_scratch_rtx): Delete.
5091 (scratch_block): Delete.
5092 (scratch_list): Delete.
5093 (scratch_list_length): Delete.
5094 (scratch_index): Delete.
5095 (alloc_qty_for_scratch): Delete.
5096 (local-alloc): Update initialization of max_qty.
5097 Delete code to manage the scratch list.
5098 Delete code to allocate/initialize qty_scratch_rtx.
5099 (block_alloc): Don't allocate quantities for scratches.
5100 Delete code to manage the scratch list.
5101 * regs.h (scratch_list): Delete declaration.
5102 (scratch_block): Delete declaration.
5103 (scratch_list_length): Delete declaration.
5104 * reload1.c (reload): Delete code to manage the scratch list.
5105 (spill_hard_reg): Likewise.
5106 (mark_scratch_live): Delete.
5108 * recog.c (alter_subreg): Delete declaration.
5110 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5112 * Makefile.in (cccp.o): Fix typo in last patch.
5114 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5116 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5117 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5119 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5121 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5122 NULL_RTX as an argument.
5124 * Makefile.in (unlibsubdir): Define.
5125 (DRIVER_DEFINES): Use unlibsubdir.
5126 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5127 (stmp-fixinc): Similarly.
5129 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5131 * regmove.c (regmove_optimize): Add variable old_max_uid.
5132 At the end of the function, update basic_block_end.
5134 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5136 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5137 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5140 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5142 * config/arm/arm.c: Improve interworking support.
5144 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5146 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5147 copied from reload_out[r] .
5149 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5151 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5152 with more than three size ranges.
5154 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5156 * rtl.c (mode_name): Add a null string at the end of the array.
5157 (mode_wider_mode): Change type to unsigned char.
5158 (mode_mask_array): New variable.
5159 (init_rtl): Update for mode_wider_mode type change.
5161 * rtl.h (mode_wider_mode): Change type to unsigned char.
5162 (mode_mask_array): Declare.
5163 (GET_MODE_MASK): Use mode_mask_array.
5165 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5167 * calls.c (expand_call) : Encapsulate code into
5168 copy_blkmode_from_reg.
5169 * expr.c (copy_blkmode_from_reg): New function.
5170 * expr.h (copy_blkmode_from_reg): New function.
5171 * integrate.c (function_cannot_inline_p): We can inline
5173 (expand_inline_function): Use copy_blkmode_from_reg
5174 if needed. Avoid creating BLKmode REGs.
5175 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5178 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5180 * config/v850/v850.c: Add function prototypes.
5181 Add support for v850 special data areas.
5183 * config/v850/v850.h: Add support for v850 special data areas.
5185 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5186 HANDLE_PRAGMA_PACK_PUSH_POP.
5187 (push_alignment): New function: Cache an alignment requested
5188 by a #pragma pack(push,<n>).
5189 (pop_alignment): New function: Pop an alignment from the
5191 (insert_pack_attributes): New function: Generate __packed__
5192 and __aligned__ attributes for new decls whilst a #pragma pack
5194 (add_weak): New function: Cache a #pragma weak directive.
5195 (handle_pragma_token): Document calling conventions. Add
5196 support for #pragma pack(push,<n>) and #pragma pack (pop).
5198 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5199 are defined enable HANDLE_PRAGMA_PACK.
5200 Move 'struct weak_syms' here (from varasm.c).
5201 Add pragma states for push and pop pragmas.
5203 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5206 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5207 HANDLE_GENERIC_PRAGMAS.
5209 * varasm.c: Move definition of 'struct weak_syms' into
5211 (handle_pragma_weak): Deleted.
5213 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5215 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5217 * c-decl.c (start_function): Add invocation of
5218 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5220 * tm.texi: Remove description of non-existant macro
5221 SET_DEFAULT_SECTION_NAME.
5223 (HANDLE_SYSV_PRAGMA): Document.
5224 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5226 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5228 * config.sub: Recognize i[34567]86-pc-udk as new target.
5229 * configure.in: Likewise.
5230 * config/i386/t-udk: New file.
5231 * config/i386/udk.h: New file.
5233 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5235 * reorg.c (check_annul_list_true_false): Remove unused variables.
5236 (steal_delay_list_from_target): Add missing "used_annul" variable.
5237 (try_merge_delay_insns): Close out half formed comment.
5239 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5241 * cpplib.c (macroexpand): If arg->raw_before or
5242 arg->raw_after, remove any no-reexpansion escape at the
5243 beginning of the pasted token. Correct handling of whitespace
5244 markers and no-reexpand markers at the end if arg->raw_after.
5246 * toplev.c (documented_lang_options): Recognize -include,
5247 -imacros, -iwithprefix, -iwithprefixbefore.
5248 * cpplib.c (cpp_start_read): Process -imacros and -include
5249 switches at the same time and in command-line order, after
5250 initializing the dependency-output code. Emit properly nested
5251 #line directives for them. Emit a #line for the main file
5252 before processing these switches, and don't do it again
5255 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5257 * function.c (purge_addressof_1): Use bitfield manipulation
5258 routines to handle mem mode < reg mode.
5260 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5262 * reorg.c (try_merge_delay_insns): Account for resources referenced
5263 in each instruction in INSN's delay list before trying to eliminate
5264 useless instructions. Similarly when looking at a trial insn's delay
5267 * reorg.c (check_annul_list_true_false): New function.
5268 (steal_delay_list_from_{target,fallthrough}): Call it and also
5269 refine tests for when we may annul if already filled a slot.
5270 (fill_slots_from_thread): Likewise.
5271 (delete_from_delay_slot): Return newly-created thread.
5272 (try_merge_delay_isns): Use its new return value.
5274 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5276 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5277 used to compute a giv or as some other non-counting use.
5279 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5281 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5282 * local-alloc.c (find_free_reg): Use it.
5283 * global.c (find_reg): Likewise.
5284 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5286 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5287 * caller-save.c (init_caller_save): Use it.
5288 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5290 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5292 * configure.in: Add --enable-cpplib option which uses cpplib
5293 for cpp, but doesn't link cpplib into cc1. Make help text
5294 capitalization consistent.
5295 * configure: Rebuilt.
5297 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5299 * function.c (gen_mem_addressof): If the address REG is
5300 REG_USERVAR_P make the new REG be so also.
5301 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5302 in an attempt to clarify slightly.
5304 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5306 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5307 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5309 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5311 * toplev.c: Fix last patch.
5313 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5315 * loop.c (get_condition): Fix typo in May 9 change.
5317 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5319 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5321 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5323 * toplev.c (documented_lang_options): Spelling corrections.
5325 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5327 * configure.in: new flags --with-ld and --with-as, equivalent
5328 to setting LD and AS environment variables. Test whether
5329 specified arguments are GNU commands, and report them with
5330 checking messages. Use the specified AS for configure
5333 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5335 * gcc.c (find_a_file): when looking for `as' and `ld', return
5336 the DEFAULT program if it exists
5337 * collect2.c (main): use DEFAULT_LINKER if it exists
5339 * gcc.c (find_a_file): the test for existence of a full
5340 pathname was reversed
5342 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5344 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5345 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5347 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5349 * tree.h (TYPE_BINFO): Document.
5351 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5353 * i386-coff.h (dbxcoff.h): Added.
5355 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5357 * toplev.c: fix bad patch around flag_data_sections.
5359 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5361 * reload1.c (reload): Use reload_address_index_reg_class and
5362 reload_address_base_reg_class when setting
5363 caller_save_spill_class. (Patch generated by Jim Wilson:
5366 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5368 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5369 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5370 * expr.c (store_field): Add alias_set parameter. Set the
5371 MEM_ALIAS_SET accordingly, if the target is a MEM.
5372 (expand_assignment): Use it.
5373 (store_constructor_field): Pass 0.
5374 (expand_expr): Likewise.
5376 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5378 * flags.h: Add flag_data_sections.
5379 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5380 (compile_file): Error if flag_data_sections not supported.
5381 * varasm.c (assemble_variable): Handle flag_data_sections.
5382 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5383 * config/mips/elf.h: Likewise.
5384 * config/mips/elf64.h: Likewise.
5385 * invoke.texi: Describe -fdata-sections.
5387 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5389 * invoke.texi (-ffloat-store): Clarify that this option
5390 does not affect intermediate results -- only variables.
5392 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5394 * cpp.texi: Update for Fortran usage from Craig.
5396 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5398 * rs6000.c (function_arg_boundary): Revert accidental change on
5401 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5403 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5404 (output_mi_thunk): Declare.
5406 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5407 (output_function_profiler): Use r12 for temp, instead of r11 so
5408 that we preserve the static chain register.
5410 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5412 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5414 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5416 * sh.c (gen_shl_sext): Fix case 5.
5418 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5420 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5422 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5424 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5425 accessing variables until they are initialized via va_arg().
5427 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5429 * reload1.c (reload_combine): Initialize set before using.
5431 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5433 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5436 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5438 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5439 operand3 with mask before using it. Patch provided by Jim Wilson.
5441 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5443 * config/sparc/sparc.c (function_value): Perform the equivalent of
5444 PROMOTE_MODE for ARCH64.
5445 (eligible_for_epilogue_delay): Allow DImode operations in delay
5446 slot of a return for ARCH64.
5448 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5450 * sh.md (sqrtsf2): Fix mode of sqrt.
5452 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5454 * reload1.c (choose_reload_regs): Also try inheritance when
5455 reload_in is a stack slot of a pseudo, even if we already got a
5458 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5460 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5461 (reload_cse_regs): New function body: call reload_cse_regs_1,
5462 reload_combine, reload_cse_move2add.
5463 When doing expensive_optimizations, call reload_cse_regs_1 a
5464 second time after reload_cse_move2add.
5465 (reload_combine, reload_combine_note_store): New functions.
5466 (reload_combine_note_use): New function.
5467 (reload_cse_move2add, move2add_note_store): New functions.
5469 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5471 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5472 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5474 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5475 more than 3 such reloads.
5477 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5478 RELOAD_FOR_X_ADDR_ADDR reload.
5480 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5482 * expr.c (store_constructor): When initializing a field that is smaller
5483 than a word, at the start of a word, try to widen it to a full word.
5485 * cse.c (cse_insn): When we are about to change a register,
5486 remove any invalid references to it.
5488 (remove_invalid_subreg_refs): New function.
5489 (mention_regs): Special treatment for SUBREGs.
5490 (insert_regs): Don't strip SUBREG for call to mention_regs.
5491 Check if reg_tick needs to be bumped up before that call.
5492 (lookup_as_function): Try to match known word_mode constants when
5493 looking for a norrower constant.
5494 (canon_hash): Special treatment for SUBREGs.
5496 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5498 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5499 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5500 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5501 and offsets in actual stack trampoline code so they match the
5502 commentary and actually work.
5504 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5506 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5508 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5509 tmake_file. Set extra_parts to needed crt objects.
5510 * configure: Rebuilt.
5511 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5512 (TARGET_DEFAULT): Set if default is v9 or ultra.
5513 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5514 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5515 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5516 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5517 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5518 (TARGET_VERSION): Define.
5519 (MULTILIB_DEFAULT): Define.
5520 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5521 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5522 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5524 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5525 * config/sparc/sparc.c (sparc_override_options): If arch and
5526 pointer size disagree, emit diagnostic and fix it up. If
5527 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5528 V8PLUS in 64-bit mode.
5529 * config/sparc/t-linux64: New file.
5530 * config/sparc/t-sol2-64: New file.
5531 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5532 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5533 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5534 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5535 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5536 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5538 (STARTFILE_SPEC): Set approriately based upon those.
5539 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5540 disposition of DEFAULT_ARCH32_P.
5541 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5542 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5543 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5544 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5545 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5547 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5549 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5551 * rtl.h (init_virtual_regs): New function.
5552 * emit-rtl.c (init_virtual_regs): Define.
5553 (insn_emit): Use it.
5554 * integrate.c (save_for_inline_copying): Likewise.
5556 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5558 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5559 (enum reg_class): Add NONARG_LO_REGS support.
5560 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5561 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5562 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5563 completes. Re-enable HImode REG+OFFSET addresses.
5564 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5566 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5568 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5570 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5571 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5572 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5574 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5576 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5577 jumps as a single entity, taking into account the size of the
5580 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5582 * tree.def (SWITCH_EXPR): New tree node definition.
5584 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5586 * version.c: Bump for snapshot.
5588 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5590 * version.c: Bump for snapshot.
5592 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5594 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5597 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5599 * Revert this patch.
5600 * reload.c (find_reloads): Do not replace a pseudo with
5601 (MEM (reg_equiv_addr)) in the initializing insn for the
5604 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5606 * final.c (final_scan_insn): Disable tracking CC across branches.
5608 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5610 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5611 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5612 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5613 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5614 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5616 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5618 * toplev.c (rest_of_compilation): Skip compiling anything with
5619 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5621 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5623 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5624 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5625 use in_libcall_block.
5626 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5627 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5630 Mon Sep 21 14:02:23 1998
5632 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5633 typo in no-fancy-math-387 description.
5635 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5637 * version.c: Bump for snapshot.
5639 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5641 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5643 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5645 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5646 documented in install.texi.
5647 (TARGET_OPTIONS) Likewise.
5649 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5651 * version.c: Bump for snapshot.
5653 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5655 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5656 * cccp.c (main): Likewise.
5658 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5659 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5662 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5664 * Makefile.in (LIBS): Link in libiberty.a.
5665 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5667 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5669 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5670 it to update bb boundaries. Update caller.
5671 * function.c (reposition_prologue_and_epilogue_notes): Update
5672 bb boundaries wrt the moved note.
5674 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5676 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5678 * configure: Regenerate.
5680 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5682 * alpha.c (alpha_sr_alias_set): New variable.
5683 (override_options): Set it.
5684 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5685 (mode_mask_operand): Fix signed-unsigned comparision warning.
5686 (alpha_expand_block_move): Likewise.
5687 (print_operand): Likewise.
5688 (get_aligned_mem): Use change_address.
5689 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5690 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5691 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5692 (alpha_align_insns): Remade from old alphaev5_align_insns
5693 to handle multiple processors.
5694 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5695 * output.h (label_to_alignment): Prototype.
5697 * tree.c (new_alias_set): New function.
5698 * tree.h (new_alias_set): Declare it.
5699 * c-common.c (c_get_alias_set): Use it.
5701 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5703 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5704 to an ABS expr, convert an unsigned input to signed.
5706 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5708 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5710 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5712 * configure.in: Add support for c4x targets.
5713 * configure: Rebuilt.
5715 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5717 * combine.c (distribute_notes): If an insn is a cc0 user, only
5718 delete it if we can also delete the cc0 setter.
5720 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5722 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5723 (invert_truthvalue): Enable truthvalue inversion for
5724 floating-point operands if -ffast-math.
5726 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5728 * configure.in: Disable collect2 for nextstep. Instead use
5730 * configure: Rebuilt.
5731 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5732 (ENDFILE_SPEC): Define.
5733 (OBJECT_FORMAT_MACHO): Define.
5734 (EH_FRAME_SECTION_ASM_OP): Define.
5735 * crtstuff.c: Handle MACHO.
5737 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5739 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5741 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5743 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5744 (_fpadd_parts): Get sign right for 0.
5746 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5748 * ginclude/varargs.h: Add support for C4x target.
5749 * ginclude/stdargs.h: Likewise.
5751 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5753 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5754 (alpha_emit_set_long_const): Rewrite to be callable from reload
5756 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5757 * alpha.md (movdi): Likewise.
5759 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5761 * arm.c (add_constant): New parameter address_only, change caller.
5762 Set it non-zero if taking the address of an item in the pool.
5763 (arm_reorg): Handle cases where we need the address of an item in
5766 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5768 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5769 memory addresses that are not in standard canonical form.
5771 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5773 * README.C4X: New file with information about the c4x ports.
5774 * ginclude/va-c4x.h: New file for c4x varargs support.
5775 * config/c4x: New directory with c4x port files.
5777 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5779 * reload.c (find_reloads): Do not replace a pseudo with
5780 (MEM (reg_equiv_addr)) in the initializing insn for the
5783 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5785 * toplev.c (rest_of_compilation): Set bct_p on second call to
5787 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5789 (strength_reduce): Only call analyze_loop_iterations and
5790 insert_bct if bct_p set.
5791 (check_dbra_loop): Fix typo.
5792 (insert_bct): Use word_mode instead of SImode.
5793 (instrument_loop_bct): Likewise. Do not delete iteration count
5794 condition code generation insn. Initialize iteration count before
5796 * rtl.h (loop_optimize): Update prototype.
5798 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5799 not doubleword aligned.
5801 * rs6000.c (optimization_options): New function.
5802 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5803 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5804 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5805 first; cr1 can be used for FP record condition insns.
5807 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5809 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5812 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5815 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5817 (block_move_call): New function: Call a library routine to copy a
5819 (m32r_expand_block_move): New function: Expand a "movstrsi"
5820 pattern into a sequence of insns.
5821 (m32r_output_block_move): New function: Expand a
5822 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5823 (m32r_block_immediate_operand): New function: Return true if the
5824 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5826 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5828 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5830 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5832 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5834 * regmove.c (copy_src_to_dest): Check that modes match.
5836 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5838 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5840 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5842 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5843 narrower than FLOAT_REGS.
5845 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5847 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5849 * Makefile.in (old_gxx_include_dir): removed
5851 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5853 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5856 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5857 (sh_handle_pragma): Change function arguments to match new
5858 specification for HANDLE_PRAGMA.
5860 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5862 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5864 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5865 When generating output, initialize missing struct member to zero.
5867 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5869 * regmove.c (copy_src_to_dest): Don't copy if that requires
5870 (a) new register(s).
5872 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5874 * global.c (reg_allocno): Now static.
5875 * reload1.c (reg_allocno): Delete declaration.
5876 (order_regs_for_reload): Take no arguments. Don't treat regs
5877 allocated by global differently than those allocated by local-alloc.
5879 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5881 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5882 condition, fix format strings.
5883 (output_function_epilogue): Likewise.
5885 * m68k/m68k.c: Don't include <stdlib.h> directly.
5887 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5889 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5890 mem_first_set, mem_last_set; because 0 can be a CUID.
5891 (oprs_unchanged_p): Use new definition.
5892 (record_last_reg_set_info): Likewise.
5893 (record_last_mem_set_info): Likewise.
5894 (compute_hash_table): Likewise.
5896 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5898 * rs6000.c (output_epilogue): Handle Chill.
5900 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5901 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5903 * combine.c (make_extraction): If no mode is specified for
5904 an operand of insv, extv, or extzv, default it to word_mode.
5905 (simplify_comparison): Similarly.
5906 * expmed.c (store_bit_field): Similarly.
5907 (extract_bit_field): Similarly.
5908 * function.c (fixup_var_regs_1): Similarly.
5909 * recog.c (validate_replace_rtx_1): Similarly.
5910 * mips.md (extv, extzv, insv expanders): Default modes for most
5911 operands. Handle TARGET_64BIT.
5912 (movdi_uld, movdi_usd): New patterns.
5914 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5915 equivalent memory location unless we have been provided a scratch
5916 register. Similarly do not call find_replacement unless a
5917 scratch register has been provided.
5919 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5921 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5924 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5926 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5927 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5928 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5929 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5930 * c-decl.c (init_decl_processing): Update accordingly.
5931 * expr.c (expand_builtin): Likewise.
5933 * rtl.h (global_rtl): Add cfa entry.
5934 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5935 (LAST_VIRTUAL_REGISTER): Update.
5936 * emit-rtl.c (global_rtl): Add cfa entry.
5937 (init_emit): Initialize it.
5938 * function.c (cfa_offset): New.
5939 (instantiate_virtual_regs): Initialize it.
5940 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5941 (expand_function_end): Call expand_eh_return.
5942 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5944 * except.c (current_function_eh_stub_label): Kill.
5945 (current_function_eh_old_stub_label): Likwise; update all references.
5946 (expand_builtin_set_return_addr_reg): Kill.
5947 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5948 (expand_builtin_set_eh_regs): Kill.
5949 (eh_regs): Produce a third reg for the actual handler address.
5950 (eh_return_context, eh_return_stack_adjust): New.
5951 (eh_return_handler, eh_return_stub_label): New.
5952 (init_eh_for_function): Initialize them.
5953 (expand_builtin_eh_return, expand_eh_return): New.
5954 * except.h: Update prototypes.
5955 * flow.c (find_basic_blocks_1): Update references to the stub label.
5956 * function.h (struct function): Kill stub label elements.
5958 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5959 register number is one that would be in the previous window.
5960 Provide a dummy definition for non-windowed targets.
5961 (get_reg_addr): New function.
5962 (get_reg, put_reg, copy_reg): Use it.
5963 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5964 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5966 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5967 (alpha_init_expanders): Initialize it.
5968 (alpha_expand_epilogue): Use it.
5969 * alpha.h: Declare it.
5970 * alpha.md (eh_epilogue): New.
5972 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5973 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5975 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5977 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5980 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5982 * except.h (struct eh_entry): Add false_label field.
5983 (end_catch_handler): Add prototype.
5984 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5985 (start_catch_handler): When using old style exceptions, issue
5986 runtime typematch code before continuing with the handler.
5987 (end_catch_handler): New function, generates label after handler
5988 if needed by older style exceptions.
5989 (expand_start_all_catch): No need to check for new style exceptions.
5990 (output_exception_table_entry): Only output the first handler label
5991 for old style exceptions.
5992 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5993 mechanism into one function, if a runtime matcher is provided.
5995 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5997 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5999 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6001 * integrate.c (copy_decl_list): Fix typo.
6003 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6005 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6008 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6010 * version.c: Bump for snapshot.
6012 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6014 * version.c: Bump for snapshot.
6016 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6018 * version.c: Bump for snapshot.
6020 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6022 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6024 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6026 * configure.in: remove usage of `!' to negate the result of a
6027 command; some common shells do not support it
6029 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6031 * configure.in: in sparc9-sol2 config, use 'if test' not
6033 * configure: Rebuilt.
6035 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6037 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6038 (CPP_CPU_DEFAULT_SPEC): Likewise.
6039 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6040 for arch64 libfuncs.
6042 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6045 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6047 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6049 * collect2.c: Don't declare `sys_siglist' here.
6050 (my_strsignal): Prototype and define new function. Use it in
6051 place of `sys_siglist' hacks.
6053 * mips_tfile.c: Likewise.
6055 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6056 (GCC_NEED_DECLARATIONS): Likewise.
6058 * system.h (strsignal): Prototype it, if necessary.
6059 (sys_siglist): Declare it, if necessary.
6061 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6063 * loop.c (move_movables): While removing insn sequences, preserve
6064 the next pointer of the most recently deleted insn when we skip
6067 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6069 * objc/config-lang.in: Do not output the name of the selected
6070 thread file when building the front-end. The Makefile for the
6071 runtime library will do this.
6073 * objc/Make-lang.in: Do not build the runtime library or install
6074 the Objective C header files. The Makefile for the runtime
6075 library will do this.
6077 * objc/Makefile.in (all.indirect): Only build the front-end.
6078 (compiler): Rename to `frontend'.
6079 (obj-runtime): Remove target.
6080 (copy-headers): Likewise.
6081 (clean): No need to remove `libobjc.a' any longer.
6083 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6085 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6086 supported with -mcpu=xxx.
6088 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6090 * flow.c (mark_set_1): Recognize multi-register structure return
6091 values in CALL insns.
6092 (mark_used_regs): Likewise.
6093 (count_reg_sets_1): Likewise.
6094 (count_reg_references): Likewise.
6095 * rtlanal.c (note_stores): Likewise.
6096 (reg_overlap_mentioned_p): Likewise.
6097 * haifa-sched.c (check_live_1): Likewise.
6098 (update_live_1): Likewise.
6099 (sched_analyze_1): Likewise.
6100 (sched_note_set): Likewise.
6101 (birthing_insn_p): Likewise.
6102 (attach_deaths): Likewise.
6104 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6107 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6109 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6111 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6113 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6115 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6117 * configure.in: Add check for GAS subsection -1 support.
6118 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6119 * configure config.in: Rebuilt.
6120 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6121 SImode is subsection -1 works, else use DImode.
6122 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6123 subsection -1 works.
6124 * config/sparc/sparc.c (sparc_output_addr_vec,
6125 sparc_output_addr_diff_vec): Use them if defined.
6127 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6129 * tree.h (DECL_ORIGIN): New macro.
6130 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6131 (copy_decl_list): Use it.
6132 (integrate_parm_decls): Likewise.
6133 (integrate_decl_tree): Likewise.
6134 * dwarf2out.c (decl_ultimate_origin): Simplify.
6135 * dwarfout.c (decl_ultimate_origin): Likewise.
6136 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6137 (pushdecl): Likewise.
6139 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6141 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6143 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6145 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6147 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6149 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6150 empty or has a single entry.
6152 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6153 before calling reg_to_stack.
6155 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6157 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6158 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6160 * c-tree.h (warn_long_long): Declare it.
6162 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6164 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6165 initialized float-int union if the value is a NaN.
6167 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6169 * c-lex.c (real_yylex): Don't warn about long long constants if
6170 we're allowing long long
6172 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6174 * except.h (current_function_eh_stub_label): Declare.
6175 (current_function_eh_old_stub_label): Declare.
6176 * function.h (struct function): New members eh_stub_label and
6178 * except.c (current_function_eh_stub_label): New variable.
6179 (current_function_eh_old_stub_label): New variable.
6180 (init_eh_for_function): Clear them.
6181 (save_eh_status): Save them.
6182 (restore_eh_status): Restore them.
6183 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6184 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6185 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6186 make an edge from the block that contains it to the block starting
6187 with the label if this label is one of the eh stub labels.
6188 If eh stub labels exist, show they are reachable from the last block
6191 * reload1.c (reload): Break out several subroutines and make some
6193 (calculate_needs_all_insns): New function, broken out of reload.
6194 (calculate_needs): Likewise.
6195 (find_reload_regs): Likewise.
6196 (find_group): Likewise.
6197 (find_tworeg_group): Likewise.
6198 (something_needs_reloads): New global variable, formerly in reload.
6199 (something_needs_elimination): Likewise.
6200 (caller_save_spill_class): Likewise.
6201 (caller_save_group_size): Likewise.
6202 (max_needs): Likewise.
6203 (group_size): Likewise.
6204 (max_groups): Likewise.
6205 (max_nongroups): Likewise.
6206 (group_mode): Likewise.
6207 (max_needs_insn): Likewise.
6208 (max_groups_insn): Likewise.
6209 (max_nongroups_insn): Likewise.
6210 (failure): Likewise.
6212 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6214 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6216 * loop.c (load_mems): Copy rtx for output mem.
6218 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6220 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6221 mips1 or mips2 either.
6223 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6225 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6227 (pa_adjust_insn_length): Update to work with new marking scheme
6228 for jumps inside switch tables.
6229 * pa.md (switch_jump): Remove pattern.
6230 (jump): Handle jumps inside jump tables.
6232 * Makefile.in (profile.o): Depend on insn-config.h
6234 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6236 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6238 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6240 Add preliminary native sparcv9 Solaris support.
6241 * configure.in: Recognize sparv9-*-solaris2*
6242 * configure: rebuilt
6243 * config.sub: Recognize sparcv9 just like sparc64.
6244 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6245 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6246 32-bit and 64-bit Solaris systems.
6247 * config/sparc/t-sol2: Assemble those with cpp.
6248 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6249 (*TF*_LIBCALL): If ARCH64 use V9 names.
6250 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6252 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6254 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6255 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6257 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6259 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6260 to Pmode if CASE_VECTOR_MODE is something else.
6262 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6264 * prefix.c (update_path): Correctly handle cases where PATH is
6265 a substring of the builtin prefix, but specifies a different
6268 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6270 * expr.c: Corrected comment about what MOVE_RATIO does.
6271 * config/alpha/alpha.h: Ditto.
6272 * config/1750a/1750a.h: Ditto.
6273 * config/clipper/clipper.h: Ditto.
6274 * config/i386/i386.h: Ditto.
6276 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6278 * configure.in (m68k-next-nextstep3*): Use collect2.
6279 Similarly for x86 NeXT configurations.
6280 * configure: Rebuilt.
6282 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6284 * configure.in: Don't assume srcdir is .../gcc
6285 * configure: Rebuilt.
6287 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6289 * global.c: Update comments.
6290 (global_alloc): Assign allocation-numbers
6291 even for registers allocated by local_alloc in case
6292 they are later spilled and retry_global_alloc is called.
6293 (mark_reg_store, mark_reg_clobber,
6294 mark_reg_conflicts, mark_reg_death): Always record a
6295 conflict with a pseudo register even if it has been
6296 assigned to a hard register.
6297 (dump_conflicts): Don't list pseudo registers already assigned to
6298 a hard register as needing to be allocated, but do list their
6300 * local-alloc.c: Update comment.
6302 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6304 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6305 * configure: Rebuilt.
6307 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6309 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6311 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6312 for all targets that set -msoft-float.
6314 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6316 * toplev.c (print_switch_values): Make static to match prototype.
6318 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6320 * configure.in: If we are unable to find the "gnatbind" program,
6321 then do not configure the ada subdir.
6322 * configure: Rebuilt.
6324 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6326 * version.c: Bump for snapshot.
6328 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6330 * version.c: Bump for snapshot.
6332 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6334 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6335 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6337 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6339 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6341 * genextract.c: Have insn-extract.c include toplev.h.
6343 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6345 * toplev.c: Include expr.h.
6346 (really_sorry, fancy_abort): Remove prototypes.
6347 (set_target_switch): Add argument in prototype.
6348 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6349 (v_really_sorry): Likewise.
6350 (print_version, print_single_switch, print_switch_values): Make
6351 static and add prototype arguments.
6352 (decl_printable_name): Add prototype arguments.
6353 (lang_expand_expr_t): New typedef.
6354 (lang_expand_expr): Declare as a lang_expand_expr_t.
6355 (incomplete_decl_finalize_hook): Add prototype argument.
6356 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6357 (botch): Likewise for variable `s'.
6358 (rest_of_type_compilation): Mark variables `type' and `toplev'
6359 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6360 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6361 (display_help): Make variable `i' an `unsigned long'.
6362 (main): Remove unused parameter `envp'.
6363 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6364 Cast -1 when comparing it with a `size_t'.
6366 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6367 prototype with ATTRIBUTE_NORETURN.
6368 (fatal_insn_not_found, fatal_insn, really_sorry,
6369 push_float_handler, pop_float_handler): Add prototypes.
6370 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6371 (do_abort, botch): Add prototypes.
6373 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6375 * final.c (final): If a label is reached only from a single jump,
6376 call NOTICE_UPDATE_CC on the jump and its predecessor before
6377 emitting the insn after the label.
6379 * i386.h: Add AMD K6 support.
6380 Change TARGET_* macros to use table lookup.
6381 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6382 (ADJUST_COST): Change definition to call function in i386.c.
6383 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6384 * i386.c: Add AMD K6 support.
6385 Add constants for feature tests used by TARGET_* macros.
6386 (split_di): If before reload, call gen_lowpart and gen_highpart.
6387 (x86_adjust_cost): New function.
6388 (put_jump_code): New function.
6389 (print_operand): New codes 'D' and 'd'.
6390 * i386.md: New insn types. New insn attribute "memory".
6391 Redefine scheduling parameters to use new types and add AMD K6
6392 support. Explicitly set type of most insns.
6393 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6394 Pro and K6 prefer movl $1,reg to incl reg.
6395 (adddi3, subdi3): Set cc_status.
6396 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6397 to int; x86 can't have more than 2^31 DImode shifts per file.
6398 (setcc): Combine all setcc patterns. Allow writing memory.
6399 Combine all jump patterns using match_operator.
6400 (*bzero): Name pattern. Emit mutliple stos instructions when that
6401 is faster than rep stos.
6402 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6405 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6407 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6410 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6412 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6413 not whatever we're generating now.
6415 * alpha.c (set_frame_related_p, FRP): New.
6416 (alpha_expand_prologue): Mark frame related insns.
6417 (alpha_expand_epilogue): Likewise, but with a null FRP.
6418 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6419 * alpha.md (exception_receiver): New.
6420 * alpha/crtbegin.asm (.eh_frame): New beginning.
6421 (__do_frame_setup, __do_frame_takedown): New.
6422 * alpha/crtend.asm (.eh_frame): New ending.
6423 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6424 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6425 (ASM_FILE_START): Don't emit .file for dwarf2.
6427 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6428 * rtl.c (reg_note_name): Likewise.
6429 * rtl.texi (REG_NOTES): Likewise.
6430 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6433 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6435 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6436 * i386.md (movsf, movdf, movxf): Validate memory address returned
6437 from force_const_mem. Kill useless REG_EQUAL setting code.
6439 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6441 * m68k.md (zero_extendsidi2): Fix typo.
6443 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6445 * configure.in: Removed references to the removed file
6446 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6447 * arm*-*-netbsd* and ns32k-*-netbsd*.
6448 * config/i386/xm-netbsd.h: Removed unnecessary file.
6449 * config/m68k/xm-netbsd.h: Likewise.
6450 * config/sparc/xm-netbsd.h: Likewise.
6451 * config/mips/xm-netbsd.h: Likewise.
6453 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6455 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6456 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6458 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6459 for exact section attributions.
6461 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6463 * i386/crtdll.h (CPP_PREDEFINES): Define.
6465 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6467 * m68k.md (5200 movqi): Do not allow byte sized memory references
6469 * m68k.c (output_move_qimode): Do not use byte sized operations on
6472 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6473 explicit rules for building. Similarly for alloca, vfprintf,
6474 choose-temp and mkstemp, getopt, getopt1, and obstack.
6475 (INCLUDES): Add $(srcdir)/../include.
6476 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6477 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6479 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6481 * gcc.c (do_spec_1): [case 'o'] Account for
6482 lang_specific_extra_outfiles.
6483 (main): Correctly clear all slots in outfiles for
6484 lang_specific_extra_outfiles. Set input_file_number before
6485 calling lang_specific_pre_link.
6487 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6489 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6491 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6493 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6495 (sparc_output_deferred_case_vectors): If no work to do, return.
6496 Fix thinko in Sept 1 change.
6498 1998-09-03 SL Baur <steve@altair.xemacs.org>
6500 * Makefile.in: add semicolon in BISON definition for portability.
6502 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6504 * config/nextstep.c (handle_pragma): Correct name of third
6507 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6509 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6510 * config/m32r/m32r.h: Make register 17 be fixed.
6511 * config/m32r/m32r.c: Use SImode for cc operations.
6513 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6515 * invoke.texi (Warning Options): Add -Wnon-template-friend
6518 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6520 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6522 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6524 * rs6000.md (movsf): Disable explicit secondary-reload-like
6525 functionality if TARGET_POWERPC64.
6526 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6529 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6531 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6532 and term.h from fixinc.wrap.
6534 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6536 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6537 safe to include both string.h and strings.h together.
6538 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6539 which headers to search for function declarations. Continue to
6540 prefer string.h over strings.h when both are not acceptable.
6542 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6544 * configure.in: Call GCC_HEADER_STRING.
6546 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6547 to include. Continue to prefer string.h over strings.h when both
6550 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6552 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6553 not assume top 32-bits of symbolic addresses are zero if
6556 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6558 * ginclude/va-alpha.h: Protect entire second portion of the
6559 file against double inclusion.
6561 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6563 Added support for the Boehm's garbage collector.
6564 * configure.in: Handle --enable-objc-gc.
6565 * configure: Rebuilt.
6566 * Makefile.in (CHECK_TARGETS): Add check-objc.
6567 (check-objc): New rule.
6568 * objc/Make-lang.in: Build a different Objective-C library that
6569 runs with the Boehm's collector.
6570 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6571 * objc/encoding.c: Correctly compute the size of compound types in
6572 the presence of bitfields. Skip the variable name of the type if
6573 any. Added support for long long.
6574 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6575 (_F_GCINVISIBLE): New mask.
6576 * objc/gc.c: New file. Compute the type memory mask associated with
6577 a class based on the runtime information.
6578 * objc/misc.c: Added the hooks that use the Boehm's collector
6579 allocation functions.
6580 * objc/objc-act.c (build_class_template): Generate a new class
6581 member (gc_object_type) to hold the class' type memory mask.
6582 (build_shared_structure_initializer): Initialize the new member to
6584 (encode_complete_bitfield): New function. Generate the new
6586 (encode_field_decl): Generate the new encoding only for the GNU
6588 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6590 (class_get_gc_object_type): New function to mark a pointer instance
6591 variable as a weak pointer.
6592 * objc/objc-features.texi: New file.
6593 * objc/objc.h (gc_object_type): New class member.
6594 * objc/objects.c (class_create_instance): Create a typed memory
6595 object when compiled with Boehm's collector support.
6596 * objc/sendmsg.c (__objc_init_install_dtable): Call
6597 __objc_send_initialize instead of setting the initialize flag.
6598 (__objc_send_initialize): Call __objc_generate_gc_type_description
6599 to generate the class type memory mask. Rewrite the code that
6600 sends the +initialize so that it is called only once (bug report
6601 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6602 * testsuite/objc: New testsuite for Objective-C type encoding.
6603 * testsuite/lib/objc-torture.exp: New file.
6604 * testsuite/lib/objc.exp: New file.
6606 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6608 * jump.c (jump_optimize): In if/then/else transformations, add
6609 another call to modified_between_p for the jump insn.
6611 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6613 * fix-header.c (symlink): Treat like readlink.
6615 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6617 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6620 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6622 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6623 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6624 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6626 * config/nextstep.c (handle_pragma): Take three arguments, as per
6627 the new HANDLE_PRAGMA macro specification.
6628 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6629 per the new HANDLE_PRAGMA macro specification.
6630 * config/i960/i960.c (process_pragma): Take three arguments, as
6631 per the new HANDLE_PRAGMA macro specification.
6633 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6635 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6636 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6637 if unknown pragmas are encountered.
6638 (handle_sysv_pragma): Interpret return code from
6639 handle_pragma_token (). Return success/failure indication rather
6640 than next unprocessed character.
6641 (pragma_getc): New function: retrieves characters from the
6642 input stream. Defined when HANDLE_PRAGMA is enabled.
6643 (pragma_ungetc): New function: replaces characters back into the
6644 input stream. Defined when HANDLE_PRAGMA is enabled.
6646 * c-pragma.c (handle_pragma_token): Return success/failure status
6649 * c-pragma.h: Change prototype of handle_pragma_token().
6651 * varasm.c: (handle_pragma_weak): Only create this function if
6652 HANDLE_PRAGMA_WEAK is defined.
6654 * c-common,c (decl_attributes): If defined call the expression
6655 contained within the INSERT_ATTRIBUTES macro before adding
6656 attributes to a decl.
6658 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6659 HANDLE_PRAGMA, which takes three arguments.
6660 (INSERT_ATTRIBUTES): Document this new macro.
6662 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6663 new INSERT_ATTRIBUTES macro.
6665 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6667 * config/sparc/sparc.md (movdf): Only generate special RTL for
6668 LABEL_REFs when PIC.
6669 (move_label_di): Remove
6670 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6671 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6672 references when PIC.
6673 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6674 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6675 output an .xword for all 64-bit cases.
6677 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6679 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6680 alignment, use FUNCTION_BOUNDARY instead.
6681 (sparc_output_deferred_case_vectors): Likewise.
6683 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6685 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6686 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6688 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6690 * alpha/va_list.h: New file.
6691 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6693 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6695 * NEWS: Add SCO Openserver and Unixware 7 notes.
6699 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6701 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6702 (record_constant_1): Handle RANGE_EXPR.
6704 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6706 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6707 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6708 and NOTE_INSN_RANGE_END specially.
6709 (reemit_notes): Likewise.
6711 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6713 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6714 (ultrasparc_sched_init): Remove unneeded &.
6716 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6718 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6719 for m68020-60, to prevent the use of fintrz.
6721 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6723 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6725 * Makefile.in: Likewise.
6726 * configure: Regenerated.
6728 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6730 * configure.in (gxx_include_dir): Changed to
6731 '${prefix}/include/g++'-${libstdcxx_interface}.
6732 * configure: Rebuilt.
6734 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6736 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6738 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6739 *sequences* *below* which scalar moves will be used.
6741 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6743 * collect2.c (mktemp): Delete unused declaration.
6745 * config/xm-netbsd.h: Remove unnecessary file.
6746 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6747 file anymore, it is not needed.
6749 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6751 * convert.c (convert_to_integer): Issue an error on conversions to
6754 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6756 * Makefile.in: Add lang_tree_files and gencheck.h.
6757 * configure.in: Generate them.
6758 * gencheck.c: Include gencheck.h.
6760 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6762 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6763 movdi_lo_sum_pic and movdi_high_pic and make visible.
6764 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6765 emit these when Pmode is not SImode.
6766 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6768 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6770 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6771 .linkonce directive after the first time.
6773 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6775 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6776 the clobbered operand overlaps with an input.
6777 (bne0_di): Similarly.
6779 * Makefile.in (INSTALL): Remove "--no-header" argument.
6781 * NEWS: Various updates.
6783 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6785 * config/sparc/sparc.c (arith_operand, const64_operand,
6786 const64_high_operand, arith_double_4096_operand): Mark mode as
6788 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6790 (sparc_emit_set_const64): Remove unused variable i.
6791 (sparc_splitdi_legitimate): Likewise for addr_part.
6792 (ultra_code_from_mask): Likewise for mask.
6793 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6794 reverse return values so it matches usage and comments.
6795 (ultra_flush_pipeline): Likewise.
6796 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6797 this_type, and allow loads and stores of differing FP modes as
6798 they do not create a conflict.
6799 (ultra_find_type): Initialize fpmode to SFmode, fix
6800 parenthesization thinkos in large conditional.
6801 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6802 Init free_slot_mask after ultra_cur_hist is reset, not before.
6803 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6804 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6805 use ultra_flush_pipeline instead, then re-init group pointer.
6806 Fix statement with no effect. If no progress made in, and no
6807 instructions scheduled at all, advance to new pipeline cycle else
6808 we get into an endless loop.
6809 (ultrasparc_adjust_cost): Remove previous arg.
6810 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6812 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6814 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6815 code. Use reg_overlap_mentioned_p to detect when source and
6816 destination overlap.
6817 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6819 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6821 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6822 COMPARISON_VAL, into invariant_p.
6824 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6826 * regmove.c (regclass_compatible_p): New function.
6827 (regmove_optimize): Use it.
6829 Use NREGS parameter insted of calling max_reg_num.
6831 (fixup_match_1): Don't use code = MINUS when later tieing with
6832 a hard register is likely.
6834 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6836 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6837 COMPARISON_VAL was normalized.
6839 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6841 * loop.c (check_dbra_loop): The loop ending comparison value
6842 must be an invariant or we can not reverse the loop.
6844 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6845 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6847 (load_mems_and_recount_loop_regs_set): Likewise.
6849 * i386.c (print_operand): Remove obsolete 'c' docs.
6851 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6853 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6854 * frame.c (init_object_mutex): New function.
6855 (init_object_mutex_once): Likewise.
6856 (find_fde): Call it.
6857 (__register_frame_info): Likewise.
6858 (__register_frame_info_table): Likewise.
6859 (__deregister_frame_info): Likewise.
6861 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6863 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6865 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6867 * loop.c (check_dbra_loop): Enable code for reversal
6868 of some loops without a known constant loop end.
6870 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6872 * haifa-sched.c (last_clock_var): New.
6873 (schedule_block): Initialize it.
6874 (schedule_insn): Use it to fill insn modes with issue information.
6876 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6877 Tag trapb and next insn with TImode.
6878 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6879 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6880 Invoke alphaev5_align_insns as appropriate.
6881 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6882 (MD_SCHED_VARIABLE_ISSUE): New.
6883 * alpha.md (attr type): Add multi.
6884 (define_asm_attributes): New.
6885 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6886 (arg_home): Likewise.
6887 (fnop, unop, realign): New.
6889 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6891 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6892 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6894 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6895 (rs6000-ibm-aix4.[12]*): Likewise.
6896 * configure: Regnerate.
6898 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6900 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6901 already contains the return address.
6903 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6905 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6906 word sized hunks when loading unaligned args into registers.
6908 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6909 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6911 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6913 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6915 * loop.c (check_dbra_loop): Add some code that would allow reversal
6916 of some loops without a known constant loop end if it were enabled.
6918 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6920 * mips.md (lshrsi3_internal2+2): Fix type-o.
6922 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6924 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6925 correctly with regards to stdio.h.
6927 * calls.c: Remove stdarg.h/varargs.h.
6930 * combine.c: Likewise.
6931 * cpperror.c: Likewise.
6932 * cpplib.c: Likewise.
6933 * cpplib.h: Likewise.
6934 * doprint.c: Likewise.
6935 * emit-rtl.c: Likewise.
6936 * final.c: Likewise.
6937 * fix-header.c: Likewise.
6939 * genattr.c: Likewise.
6940 * genattrtab.c: Likewise.
6941 * gencodes.c: Likewise.
6942 * genconfig.c: Likewise.
6943 * genemit.c: Likewise.
6944 * genextract.c: Likewise.
6945 * genflags.c: Likewise.
6946 * genopinit.c: Likewise.
6947 * genoutput.c: Likewise.
6948 * genpeep.c: Likewise.
6949 * genrecog.c: Likewise.
6950 * mips-tfile.c: Likewise.
6951 * prefix.c: Likewise.
6952 * protoize.c: Likewise.
6953 * regmove.c: Likewise.
6954 * toplev.c: Likewise.
6957 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6959 * config/sparc/sparc.c (sparc_override_options): If not
6960 TARGET_FPU, turn off TARGET_VIS.
6961 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6962 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6963 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6964 (movdi_insn_sp64): Add VIS fzero alternative.
6965 (clear_sf, clear_df): New VIS patterns.
6966 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6968 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6970 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6972 * loop.c (n_times_set, n_times_used, may_not_optimize,
6973 reg_single_usage): Convert to varrays. All uses changed.
6974 (insert_loop_mem): Return a value.
6975 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6976 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6979 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6982 * configure.in: Do not set thread_file to "irix" since no such
6985 * sparc.md (float abs/neg splits): Check reload_completed before
6986 calling alter_subreg.
6988 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6990 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6992 * config/sparc/sparc.h: Declare it.
6993 * config/sparc/sparc.md (float abs/neg splits): Use it.
6994 (all other splits): Handle SUBREGs properly where necessary.
6995 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6997 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6999 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7000 an insn on the unfilled_slots_list that has no delay slots.
7001 (fill_eager_delay_slots): Similarly.
7003 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7005 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7006 as an ordinary operand.
7008 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7010 * tree.c (valid_machine_attribute): Don't apply attributes to both
7013 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7015 * reload.c (operands_match_p): Handle rtvecs.
7017 * i386.c (legitimate_pic_address_disp_p): New.
7018 (legitimate_address_p): Use it.
7019 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7020 Handle constant pool symbols just like statics.
7021 (emit_pic_move): Use Pmode not SImode for clarity.
7022 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7023 [UNSPEC]: New, handling what we killed above.
7024 [PLUS]: Detect and abort on invalid symbol arithmetic.
7025 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7027 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7029 * alias.c: Include output.h.
7030 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7031 different if we're in a varargs function.
7032 * Makefile.in (alias.o): Depend on output.h
7034 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7036 * sh.h (GIV_SORT_CRITERION): Delete.
7038 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7040 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7041 * stupid.c (stupid_life_analysis): Ditto.
7042 * reload1.c (reload): Ditto.
7044 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7046 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7047 arith_double_4096_operand, arith_double_add_operand): New
7049 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7050 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7051 them to transform add/sub 4096 into add/sub -4096.
7053 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7055 * loop.c (scan_loop): Allocate some slop to handle pseudos
7056 generated by move_movables.
7057 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7060 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7062 * tree.def (DECL_RESULT): Correct documentation.
7064 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7066 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7067 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7068 conflicts will all RELOAD_FOR_OUTPUT reloads.
7070 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7071 loads the function result, substitute with a USE.
7073 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7075 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7076 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7077 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7078 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7079 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7080 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7082 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7083 'o' to 'm' for GPR variant constraints.
7085 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7087 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7089 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7091 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7092 when the source and destination overlap.
7094 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7095 clash with global type.
7097 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7099 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7101 * c-common.c (combine_strings): Also set TREE_READONLY.
7102 Change warn_write_strings to flag_const_strings.
7103 * c-decl.c, c-tree.h: Likewise.
7105 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7107 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7108 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7109 sequence, use SET/IOR instead so CSE can see it.
7110 * config/sparc/sparc.md (movhi_const64_special,
7111 movsi_const64_special): New patterns necessitated by that change.
7112 (movhi_high): Remove.
7113 (movhi_lo_sum): Change to match an IOR.
7114 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7115 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7116 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7117 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7118 registers are involved.
7119 (snesi_zero_extend split): Remove reload_completed test.
7120 (unnamed plus and minus zero_extend sidi splits): Add it.
7122 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7124 * extend.texi: Remove description of extension to explicit
7125 instantiation that is now endorsed by standard C++.
7127 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7129 * config/arc/arc.c (arc_initialize_pic): Remove.
7130 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7131 nothing on any platform and is invoked by no-one, it does not even
7132 appear in the documentation.
7133 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7134 * config/sparc/sparc.c (initialize_pic): Likewise.
7135 (find_addr_reg): Remove this as well, no longer referenced after
7138 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7140 * recog.c (validate_replace_rtx_group): New function.
7141 * recog.h (validate_replace_rtx_group): Declare it.
7142 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7143 the entire group of substitutions.
7145 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7147 * loop.c (load_mems): Fix initializers.
7149 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7151 * config/sparc/sparc.md (TFmode splits): Handle destination
7152 registers being referenced in the address correctly.
7154 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7155 TREE_UNSIGNED, when bitsize of type's mode is larger than
7156 HOST_BITS_PER_WIDE_INT.
7158 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7160 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7161 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7162 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7164 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7167 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7169 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7170 * h8300.h (TINY_DATA_NAME_P): Likewise.
7171 (STRIP_NAME_ENCODING): Handle '&'.
7173 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7174 register (it could be accessed via an outer SUBREG).
7175 (REG_OK_FOR_BASE_P): Likewwise.
7176 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7178 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7181 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7183 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7185 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7186 must be offsettable so the splits can be made.
7188 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7190 * config/i386/winnt.c: Include system.h, not stdio.h to get
7191 sys/param.h pulled in before rtl.h in case the system defines MIN
7194 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7196 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7198 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7200 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7202 * cpplib.c (cpp_define): Handle macros with parameters.
7204 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7206 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7207 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7208 and DImode 64-bit. Use llong for minimal-toc SFmode and
7209 SYMBOL_REF / LABEL_REF 64-bit.
7210 (output_function_profiler): Use llong for profiler label and ld to
7211 load 64-bit label address.
7213 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7215 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7218 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7220 * version.c: Bump for snapshot.
7222 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7224 * version.c: Bump for snapshot.
7226 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7228 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7230 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7232 * tm.texi (Misc): Fix typo "teh".
7234 * tm.texi (PIC): Fix typo "PPIC".
7236 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7237 effect when -O2 and higher.
7238 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7240 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7242 * regclass.c: Changed register set documentation to be consistent
7245 * final.c (final_start_function) Removed redundant test for
7248 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7250 * rtl.h (rtx_function): New type.
7251 (for_each_rtx): New function.
7252 * rtlanal.c (for_each_rtx): Define it.
7254 * recog.c (change_t): New type.
7255 (change_objects, change_old_codes, change_locs, change_olds):
7257 (changes): New variable.
7258 (validate_change): Dynamically allocate room for more changes, if
7259 necessary. Uses changes array instead of change_objects, etc.
7260 (apply_change_group): Use changes array instead of
7261 change_objects, etc.
7263 * loop.c (loop_mem_info): New type.
7264 (loop_mems): New variable.
7265 (loop_mems_idx): Likewise.
7266 (looop_mems_allocated): Likewise.
7267 (scan_loop): Remove nregs parameter.
7268 (next_insn_in_loop): New function.
7269 (load_mems_and_recount_loop_regs_set): Likewise.
7270 (load_mems): Likewise.
7271 (insert_loop_mem): Likewise.
7272 (replace_loop_mem): Likewise.
7273 (replace_label): Likewise.
7274 (INSN_IN_RANGE_P): New macro.
7275 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7276 (scan_loop): Remove nregs parameter, compute it after any new
7277 registers are created by load_mems. Use INSN_IN_RANGE_P and
7278 next_insn_in_loop rather than expanding them inline. Call
7279 load_mems to load memory into pseudos, if appropriate.
7280 (prescan_loop): Figure out whether or not there are jumps from the
7281 loop to targets other than the label immediately following the
7282 loop. Call insert_loop_mem to notice all the MEMs used in the
7283 loop, if it could be safe to pull MEMs into REGs for the duration
7285 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7287 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7289 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7291 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7293 * config/sparc/sparc.c (finalize_pic): Check for the correct
7294 nonlocal_goto_receiver UNSPEC number.
7295 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7296 making note of this dependency existing in sparc.c
7297 (negtf2_notv9 split): Give NEG SFmode.
7298 (negsf2): Fix insn output string.
7300 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7302 * c-common.c (decl_attributes): Issue an error if the argument
7303 to alias is not a string.
7305 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7307 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7308 pending memory flush list.
7310 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7312 (try_combine): Allow combining insns with REG_LIBCALL notes.
7314 * expr.c (emit_block_move): Do not call memcpy as a libcall
7315 instead build up a CALL_EXPR and call it like any other
7317 (clear_storage): Similarly for memset.
7319 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7322 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7325 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7326 and REG_LIVE_LENGTH as successful substitutions are made.
7328 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7330 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7331 statement after end of loop label.
7333 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7335 * config/sparc/sparc.c (ultra_types_avail): New variable.
7336 (ultra_build_types_avail): New function to record mask of insn
7337 types in ready list at this cycle.
7338 (ultrasparc_sched_reorder): Call it.
7339 (ultra_find_type): Use it to quicken the search. Also simplif
7340 dependency check, don't use rtx_equal_p because we know exactly
7341 what we are looking for.
7343 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7345 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7346 for architecture v4.
7348 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7350 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7352 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7353 movdf_const_intreg and helper splits): New patterns to move float
7354 constants into integer registers.
7355 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7358 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7361 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7363 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7365 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7366 a BASE_REGS register is needed as an intermediate when copying
7367 a symbolic value into any register class other than BASE_REGS.
7369 * expr.c (move_by_pieces): No longer static. Remove prototype.
7370 * rtl.h (move_by_pieces): Add extern prototype.
7371 * mips.c (expand_block_move): Handle aligned straight line copy by
7372 calling move_by_pieces.
7374 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7377 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7379 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7380 jumps out of the loop to be treated as part of the exit test.
7382 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7383 Jeff Law <law@cygnus.com>
7385 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7386 * cplus-dem.c: Delete.
7388 * Makefile.in (fold-const.o): depend on $(RTL_H).
7390 * fold-const.c: Include rtl.h to get the prototype for
7391 `set_identifier_local_value'.
7393 * loop.c (express_from_1): Remove unused variable `tmp'.
7394 (combine_givs): cast the first argument of bzero to char *.
7396 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7398 * c-decl.c (init_decl_processing): Remove unneeded &.
7400 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7402 * except.c (set_exception_lang_code, set_exception_version_code):
7403 Change parameter from `short' to `int' to avoid using a gcc
7406 * except.h (set_exception_lang_code, set_exception_version_code):
7407 Likewise for prototypes.
7409 * flow.c (count_reg_references): Remove unused variables `regno'
7412 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7414 * prefix.c (translate_name): Cast the result of `alloca'.
7416 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7418 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7420 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7422 (valid_dbcc_comparison_p): Mark mode argument as unused.
7423 (symbolic_operand): Likewise.
7424 (legitimize_pic_address): Likewise.
7425 (const_uint32_operand): Likewise.
7426 (const_sint32_operand): Likewise.
7427 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7428 schedule_insns and comment out rest of file.
7430 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7432 (output_move_[hq]imode): Likewise.
7434 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7436 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7437 * invoke.texi: Corresponding changes.
7439 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7441 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7443 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7445 * config/sparc/sparc.c (ultra_code_from_mask,
7446 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7447 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7448 ultrasparc_sched_init, ultrasparc_variable_issue,
7449 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7450 functions to describe UltraSPARC pipeline exactly to Haifa.
7451 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7452 as there is nothing the scheduler can do about it. Indicate that
7453 REG_DEP_OUTPUT's collide. Fixup formatting.
7454 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7455 divide costs on Ultra for DImode.
7456 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7458 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7459 ieuN and add call_no_delay_slot to type list.
7460 (cti function unit): New unit for branches on UltraSPARC.
7461 (subx/addx insns): Set type to misc.
7462 (sidi zero/sign extension insns on arch64): Set type to shift.
7463 (sign_extendhidi2_insn): Set type to sload.
7465 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7467 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7468 (output_epilog): Use if != 0 for offset.
7469 (rs6000_fatal_bad_address): Prepare for Intl.
7470 * rs6000.h (rs6000_fatal_bad_address): Declare.
7471 * rs6000.md (movsfcc, movdfcc): Use else if.
7472 (elf_high): Use {liu|lis}.
7473 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7474 (movsi): Use rs6000_fatal_bad_address.
7476 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7478 * reload.c (find_equiv_reg): Reject equivalences separated
7479 by a volatile instruction.
7481 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7483 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7485 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7487 * alpha.md (movsicc): Fix mode mismatch.
7489 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7491 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7493 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7495 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7497 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7498 write-only modifier from operand 1 constraint.
7500 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7502 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7503 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7505 (sparc_emit_set_const64): Likewise, also when computing trailing
7506 bits do not negate low_bits and make fast_int an int.
7508 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7510 * loop.c (add_label_notes): Do not ignore references to labels
7511 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7512 * gcse.c (add_label_notes): Similarly.
7514 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7516 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7517 (adddi_dishl32): Similarly.
7519 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7521 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7522 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7523 * cse.c (cse_basic_block): Add parens to shut up warnings.
7525 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7527 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7528 sparc_emit_set_const64_longway, const64_is_2insns,
7529 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7530 in 64-bit constant formation.
7531 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7532 rtl for addx not subx.
7533 (define_insn movdi_const64_special): Make available even when
7534 HOST_BITS_PER_WIDE_INT is not 64.
7535 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7536 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7537 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7538 instances of operand 1 inside a QI subreg.
7539 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7540 (one_cmpldi2_sp64): Fix output string.
7541 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7543 (unnamed arch64 ashift DI): Truncate shift count if greater than
7546 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7548 * expr.c (store_expr): Don't optimize away load-store pair
7549 when either source or destination have a side effect.
7551 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7553 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7554 operands of SET are incompatible.
7556 * alpha.md: Fix max and min patterns so modes of SET operands match.
7558 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7560 * configure.in: Avoid [[ by using test and changequote.
7561 * configure: Rebuild.
7563 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7565 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7567 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7568 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7569 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7570 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7571 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7572 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7573 Fix mismatching modes in SET operands.
7574 (conditional move patterns): Fix formatting.
7575 (unnamed subx arch64 pattern): Remove duplicate insn.
7577 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7579 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7580 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7581 (input_operand): Fixup test for what we accept for constant
7583 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7585 (safe_constDI): Remove.
7586 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7587 gen_safe_XOR64): New functions.
7588 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7589 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7591 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7592 available when HOST_BITS_PER_WIDE_INT is not 64.
7593 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7594 move before movdi_insn_sp64 pattern.
7595 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7596 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7597 symbolic_operand as predicate for second operand.
7598 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7599 expander): Give set VOIDmode.
7601 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7603 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7605 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7607 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7609 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7611 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7613 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7615 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7617 * install.texi: Various SCO OpenServer tweaks.
7619 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7621 * reload1.c (eliminate_regs_in_insn): Handle another case when
7622 eliminating the frame pointer to the hard frame pointer. Add
7623 missing ep->to_rtx check to one existing case.
7625 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7627 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7629 * tree.h: De-conditionalize init_priority code.
7631 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7632 * collect2.c (NM_FLAGS): Change from -p to -n.
7634 * configure.in: Turn on collect2 for mipstx39-elf.
7635 Handle use_collect2=no properly.
7637 * c-common.c: De-conditionalize init_priority code.
7638 * collect2.c (extract_init_priority, sort_ids): New fns.
7639 (main): Call sort_ids.
7640 Move sequence_number to file scope.
7642 * configure.in: Handle --enable-init-priority.
7643 * c-common.c (attrs): Add A_INIT_PRIORITY.
7644 (init_attributes, decl_attributes): Likewise.
7645 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7646 * tree.c (get_file_function_name_long): Split out...
7647 (get_file_function_name): ...from here.
7649 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7651 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7654 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7656 * toplev.c (display_help): Add braces to shut up warnings.
7657 * tree.c (simple_cst_equal): Likewise.
7659 * fold-const.c (non_lvalue): Don't deal with null pointer
7661 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7663 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7664 of any size to a pointer.
7666 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7668 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7670 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7672 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7673 which will be saved.
7674 * mn10300.md (prologue insn): Only save registers which need saving.
7675 (epilogue insn): Similarly.
7677 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7680 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7682 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7683 VAR_DECL's in gp addressable sections.
7685 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7687 * sparc.c: Change return <exp> to <exp>; return; in functions
7689 * sparc.md: Add empty semicolon statement after final label in
7692 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7694 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7695 addx_extend_sp64, only allow when TARGET_ARCH64.
7696 (define_insn addx_extend_sp32 and split): Version that works when
7698 (define_insn subx_extend): Likewise.
7699 (define_split adddi3 and subdi3 with zero extension): Fixup and
7700 correct bugs when not TARGET_ARCH64.
7702 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7704 * except.c (set_exception_lang_code, set_exception_version_code):
7705 Use prototype-style definition if __STDC__, to match declaration
7708 * genemit.c: Change FAIL and DONE macros not to use loops.
7710 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7712 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7713 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7715 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7717 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7719 * README.g77: Update from Craig.
7721 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7723 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7725 (safe_constDI sparc_emit_set_const64_quick1,
7726 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7727 analyze_64bit_constant, const64_is_2insns,
7728 create_simple_focus_bits): Fix some bugs when compiled on real
7730 (function_arg_record_value_3, function_arg_record_value_2,
7731 function_arg_record_value): Add fully prototyped forward decls.
7732 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7733 to cmpsi_insn and use on both 64 and 32 bit targets.
7734 (define_insn cmpsi_insn_sp64): Remove.
7735 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7736 (define_insn zero_extendsidi2_insn): Rename to
7737 zero_extendsidi2_insn_sp64.
7738 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7739 assosciated forced split for it.
7741 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7743 * config/sparc/sparc.h: Declare them.
7744 (PREDICATE_CODES): Add them.
7745 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7746 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7748 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7750 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7751 in v9 case as the latter makes the Solaris assembler crash.
7753 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7755 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7756 for TFmode when !v9. We require offsettable memory addresses.
7757 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7758 DFmode register number conversions.
7759 * config/sparc/sparc.md (define_split DFmode moves): If register
7760 is a SUBREG do alter_subreg on it before using.
7761 (define_expand movtf): Fixup comment about alignment on v9.
7762 (define_split TFmode moves): Don't use gen_{high,low}part, create
7763 explicit SUBREGs instead.
7765 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7767 * Makefile.in (mbchar.o): Depend on mbchar.c.
7769 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7770 Richard Henderson <rth@cygnus.com>
7772 Rewrite Sparc backend for better code generation and
7773 improved sparc64 support.
7774 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7776 * config/sparc/sysv4.h: Likewise.
7777 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7778 move_operand, v8plus_regcmp_op, emit_move_sequence,
7779 singlemove_string, doublemove_string, mem_aligned_8,
7780 output_move_double, output_move_quad, output_fp_move_double,
7781 move_quad_direction, output_fp_move_quad, output_scc_insn):
7783 (small_int_or_double): New predicate.
7784 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7785 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7786 old pic_{sethi,lo_sum}_si patterns.
7787 (mem_min_alignment): New generic function to replace
7788 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7789 available and can test for arbitrary alignments. All callers
7791 (save_regs, restore_regs, build_big_number,
7792 output_function_prologue, output_cbranch, output_return,
7793 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7794 sparc_flat_output_function_epilogue): Prettify
7796 (output_function_epilogue): Likewise and add code to output
7797 deferred case vectors.
7798 (output_v9branch): Likewise, add new arg INSN and use it to tack
7799 on branch prediction settings. All callers changed.
7800 (print_operand): Likewise and output %l44 for LO_SUMs when
7802 (sparc_splitdi_legitimate): New function to make sure DImode
7803 splits can be run properly when !arch64.
7804 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7805 Reformat example code in comments.
7806 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7807 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7808 of deferred case vectors we need to output.
7809 (sparc_defer_case_vector): Record a case vector.
7810 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7811 sparc_output_deferred_case_vectors): New functions to output them.
7812 (sparc_emit_set_const32): New function to form 32-bit constants in
7813 registers when that requires more than one instruction.
7814 (safe_constDI, sparc_emit_set_const64_quick1,
7815 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7816 analyze_64bit_constant, const64_is_2insns,
7817 create_simple_focus_bits, sparc_emit_set_const64): New functions
7818 which do the same for 64-bit constants when arch64.
7819 (sparc_emit_set_symbolic_const64): New function to emit address
7820 loading for all code models on v9.
7821 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7822 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7823 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7824 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7825 inaccuracies in comments, add symbolic and text_segment operands
7826 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7827 GENERAL_REGS in these cases as a temp REG is needed to load these
7828 addresses into a register properly.
7829 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7831 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7832 quads are guarenteed to have 16-byte alignment.
7833 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7834 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7835 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7836 deferred case vector implementation.
7837 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7838 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7839 Generate "internal label - label" instead of "label - 1b".
7840 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7841 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7842 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7844 (doublemove_string, output_block_move, output_fp_move_double,
7845 output_fp_move_quad, output_move_double, output_move_quad,
7846 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7847 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7848 (sparc_emit_set_const32, sparc_emit_set_const64,
7849 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7850 mem_min_alignment, small_int_or_double): Add externs.
7851 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7852 UNSPEC_VOLATILE in this backend.
7853 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7854 unary to types which execute in it.
7855 (define_function_unit ieu_shift): Rename to ieu0.
7856 (define_function_unit ieu1): New, executes compare, call, and
7857 uncond_branch type insns.
7858 (define_function_units for type fdivs, fdivd, fsqrt): These
7859 execute in the fpu multiply unit not the adder on UltraSparc.
7860 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7861 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7862 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7863 allows the arith_double_operand predicate and rHI constraint when
7865 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7866 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7867 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7868 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7869 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7870 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7871 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7872 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7873 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7874 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7875 sign_extendqihi2_insn, sign_extendqisi2_insn,
7876 sign_extendqidi2_insn, sign_extendhidi2_insn,
7877 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7878 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7879 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7880 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7881 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7882 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7883 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7884 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7885 smulsi3_highpart_v8plus, unnamed subreg mult,
7886 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7887 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7888 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7889 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7890 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7891 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7892 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7893 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7894 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7895 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7896 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7897 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7898 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7899 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7900 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7901 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7902 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7903 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7904 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7905 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7906 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7907 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7908 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7909 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7910 call_address_untyped_struct_value_sp32,
7911 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7912 call_value_symbolic_sp32, call_value_address_sp64,
7913 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7914 flush_register_windows, goto_handler_and_restore,
7915 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7916 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7917 return_addsi, return_di, return_adddi, return_sf, all call+jump
7918 peepholes, trap, unnamed trap insns): Prettify output strings.
7919 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7920 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7921 Likewise and force + implement splits for integer cases.
7922 (define_insn return_sf_no_fpu): Likewise and allow to match when
7923 no-fpu because of our subreg SFmode splits.
7924 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7925 zero_extendqidi2_insn, zero_extendhidi2_insn,
7926 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7927 input_operand for second operand.
7928 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7929 reg_or_0_operand for operand 2 so new splits can use it.
7930 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7931 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7933 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7934 CONST_DOUBLEs for operand 2.
7935 (define_insn move_label_di): Likewise and label distance
7936 optimization because it no longer works with new deferred case
7937 vector scheme. To be revisited.
7938 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7939 and allow reg_or_0_operand and J constraint for second operand.
7940 (define_insn jump): Set branch predict taken on V9.
7941 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7942 new deferred case vector scheme.
7943 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7944 (define_insn negdi2_sp32): Force + implement splits.
7945 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7946 one_cmplsi2_not_liveg0 respectively, and create expander of original
7947 names which emit special rtl for TARGET_LIVE_G0.
7948 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7949 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7950 gen_compare_reg, FAIL instead.
7951 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7952 values when trying to reverse condition codes, if they FAIL then
7954 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7955 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7956 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7957 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7958 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7959 set output string to # to indicate they are mandatory splits.
7960 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7961 pic_sethi_di, move_pic_label_si): Remove.
7962 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7963 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7965 (define_expand movsi_pic_label_ref, define_insn
7966 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7967 expander and insns to handle PIC label references and deferred
7969 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7971 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7972 Rewrite to not use emit_move_sequence, make use of new constant
7973 formation code, and new splits for all multi-insn cases.
7974 (define_insn movqi_insn): Remove sethi case, it can never happen.
7975 Use reg_or_zero_operand instead of const0_rtx explicit test,
7976 use input_operand instead of move_operand for source, and use
7977 general_operand now for dest.
7978 (define_insn movhi_insn): Similar but leave sethi case.
7979 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7980 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7981 movhi_lo_sum respectively, prettify output string.
7982 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7983 register when needed on TARGET_LIVE_G0.
7984 (define_insn movsi_insn): Use general_operand and input_operand
7985 for dest and src respectively. Simplify applicability test.
7986 Prettify output strings, and add clr alternative for J
7988 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7989 deprecated std and reg-reg DI moves): Remove and...
7990 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7991 implementation which uses forced splits for all non-single insn
7993 (define_split DI move cases on !arch64): New splits to handle all
7994 situations of 64-bit double register DImode on 32bit, and
7995 unaligned registers and memory addresses for all subtargets.
7996 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7998 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7999 input_operand for dest and src respectively, prettify output
8001 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8002 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8004 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8005 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8006 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8007 movtf_no_e_insn_sp64) Replace with new
8008 implementation which uses forced splits for all non-single insn
8010 (define_split DF move cases): New splits in similar vein to DI
8012 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8013 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8014 movdi_sp64_insn): Remove old v9 code model and constant loading
8016 (define_insn pic_lo_sum_di, pic_sethi_di,
8017 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8018 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8019 embmedany_sethi, embmedany_losum, embmedany_brsum,
8020 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8021 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8022 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8023 scheme, using unspecs, secondary reloads, and one to one sparc
8024 insn to rtl insn mapping for better scheduling and code gen.
8025 (define_expand reload_indi, reload_outdi): Reload helpers for
8026 MEDANY and EMBMEDANY symbol address loading cases which require a
8028 (define_expand movsicc): Remove v8plus_regcmp cases.
8029 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8030 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8031 cmp_diqi_trunc_set): New patterns used by some of the new scc
8033 (define_insn xordi3_sp64_dbl): New pattern used for constant
8034 formation when crossing from 32-bit targets.
8035 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8037 (define_insn addx, subx): Make visible and prettify.
8038 (define_insn adddi3_insn_sp32): Likewise and force split.
8039 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8040 64bit scc split usage.
8041 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8042 zero_extend, subdi3): Force and implement splits.
8044 * final.c (final_scan_insn): Don't output labels if target
8045 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8048 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8049 don't forget to walk inside SEQUENCESs too as these are what the
8050 delay slot scheduler will create.
8052 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8054 * alpha.md (extxl+1,+2): New patterns to work around
8057 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8059 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8060 caused bad assembly code to be generated.
8062 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8064 * netbsd.h: Fix typo.
8066 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8068 * config.sub: Fix typo.
8070 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8072 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8074 (Running Protoize): Typo: Change "ther" into "other".
8076 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8078 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8079 * m68k/netbsd.h: Likewise.
8080 * ns32k/netbsd.h: Likewise.
8081 * sparc/netbsd.h: Likewise.
8083 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8085 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8086 * ginclude/va-clipper.h (va_list): Likewise.
8088 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8090 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8091 load/store multiple instructions unless user overrides.
8093 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8095 * ns32k/netbsd.h: Fix typo.
8097 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8099 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8100 labels with .debugsym if no parallel insns.
8102 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8104 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8105 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8107 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8109 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8110 (AR_FOR_TARGET): Define.
8112 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8114 * dyn-string.h: New file.
8115 * dyn-string.c: Likewise.
8116 * Makefile.in (OBJS): Add dyn-string.o.
8117 (dwarf2out.o): Add dyn-string.h dependency.
8118 (dyn-string.o): List dependencies.
8119 * dwarf2out.c: Include dyn-string.h.
8120 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8121 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8122 prototype. Use dyn_string_append rather than strcat, throughout.
8123 (addr_to_string): Use dyn_string_t.
8125 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8127 Function entry/exit profiling instrumentation:
8128 * expr.h (profile_function_entry_libfunc,
8129 profile_function_exit_libfunc): Declare new variables.
8130 * optabs.c: Define them here.
8131 (init_optabs): Initialize them.
8132 * tree.h (struct tree_decl): New flag
8133 no_instrument_function_entry_exit.
8134 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8135 * c-decl.c (duplicate_decls): Merge it.
8136 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8137 (init_attributes): Use it for "no_instrument_function".
8138 (decl_attributes): Handle it, for functions that have not yet been
8139 compiled. Set decl flag.
8140 * flags.h (flag_instrument_function_entry_exit): Declare new
8142 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8143 (f_options): New option "instrument-functions".
8144 * function.h (struct function): New field instrument_entry_exit.
8145 * function.c (current_function_instrument_entry_exit): New
8147 (push_function_context_to, pop_function_context_from): Save and
8149 (expand_function_start): Set current_ variable, maybe emit return
8150 label and entry profile call.
8151 (expand_function_end): Maybe emit exit profile call.
8153 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8155 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8156 NON_QI_REG_P, pretend the register is SImode.
8158 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8160 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8161 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8162 manufacturer id for ns32k.
8163 * configure: Regenerated.
8164 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8165 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8166 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8167 * config/m68k/netbsd.h: Same.
8168 * config/ns32k/netbsd.h: Same.
8169 * config/sparc/netbsd.h: Same.
8171 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8173 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8174 or UNROLL_COMPLETELY loop that starts with a jump to its
8177 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8179 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8180 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8181 (print_operand, case 'B'): Don't fall through.
8182 (print_operand, case 'S'): Correct mask begin/end computation.
8183 Use HOST_BITS_PER_WIDE_INT.
8184 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8185 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8186 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8187 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8189 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8191 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8192 constraint from second alternative.
8194 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8196 * configure.in: Fix --without/--disable cases for local-prefix,
8197 gxx-include-dir and checking.
8199 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8201 * configure.in (enable_haifa): Set by default for sparc64 too.
8204 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8206 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8207 * i386/winnt.c (associated_type): New fn.
8208 (i386_pe_valid_type_attribute_p): New fn.
8209 (i386_pe_check_vtable_importexport): Remove.
8210 (i386_pe_dllexport_p): Use associated_type.
8211 (i386_pe_dllimport_p): Likewise.
8213 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8214 * i386.c (i386_valid_type_attribute_p): Also accept
8215 attributes for METHOD_TYPEs.
8217 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8219 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8221 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8223 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8225 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8226 them from generating a new base name for each occurence of
8229 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8231 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8233 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8237 * cplus-dem.c (type_kind_t): New type.
8238 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8239 on this paramter, rather than demangling the type again.
8240 (demangle_integral_value): Pass tk_integral.
8241 (demangle_template_: Pass the value returned from do_type.
8242 (do_type): Return a type_kind_t. Pass tk_integral to
8243 demangle_template_value_parm for array bounds.
8244 (demangle_fund_type): Likewise.
8246 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8248 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8251 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8253 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8255 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8257 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8259 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8262 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8264 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8265 (DEBUGGER_ARG_OFFSET): Likewise.
8267 * mn10300.md (movsf): Remove last change. Not needed.
8269 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8271 * c-lex.c (yylex): Fix boundary conditions in character literal and
8272 string literal loops.
8274 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8276 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8277 being invoked incorrectly.
8279 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8280 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8282 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8283 * configure.in: Added i[34567]86-*-win32
8284 * config.sub: Ditto.
8285 * configure: Rebuilt.
8287 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8289 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8290 the frame pointer and compiling PIC code and reload has not completed.
8292 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8295 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8297 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8299 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8301 * Makefile.in (install-info): Only try to update the info
8302 directory file if it exists in the first place.
8304 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8306 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8308 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8310 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8311 CONST_DOUBLE source.
8313 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8315 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8316 strings as the insertion of USER_LABEL_PREFIX.
8317 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8319 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8322 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8324 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8325 already defined type.
8327 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8329 * expr.c (check_max_integer_computation_mode): Allow conversions
8330 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8331 (expand_expr): Likewise.
8333 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8335 * expr.c (expand_expr): Expand RETURN_EXPR.
8337 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8339 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8341 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8343 * dwarf2out.c (output_aranges): Call stripattributes
8344 for TEXT_SECTION references.
8345 (output_line_info): Likewise.
8347 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8349 * profile.c (branch_prob): Call allocate_reg_info after outputting
8350 profile rtl in instrument_arcs.
8352 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8354 * fixinc.irix (math.h): Install wrapper instead of copying.
8356 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8358 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8359 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8360 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8361 lang_flag_0. Added documentation in the flag table.
8363 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8365 * cccp.c (do_include): Fix vax c style include handling.
8367 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8369 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8371 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8373 * fold-const.c (non_lvalue): Don't deal with null pointer
8375 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8377 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8379 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8380 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8381 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8382 (u_short_cint_operand): Same.
8383 (reg_or_cint_operand): Same.
8384 (logical_operand): Same.
8385 (input_operand): Same.
8386 (reg_or_short_operand): Use u_short_cint_operand.
8388 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8390 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8391 but keep the insns and splits. Adjust so when the ultimate destination
8392 is memory, use cvtql.
8394 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8396 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8398 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8400 * gcc.c (do_spec): Call "error" not "warning".
8402 * configure.in: Fix minor problems with gas feature detection code.
8403 * configure: Rebuilt.
8405 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8408 * gcc.c: Delete %[spec] support.
8409 (do_spec_1, case '('): Likewise.
8410 (do_spec_1, case '['): Call error.
8412 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8414 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8415 (CPP_SUBTARGET_SPEC): Default to empty string.
8416 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8417 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8418 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8419 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8421 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8422 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8423 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8424 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8425 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8426 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8427 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8428 * alpha/vxworks.h: Likewise.
8430 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8432 * mips.md (reload_outsi): Added missing REGNO call.
8433 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8435 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8436 another match_operator and compare the codes.
8438 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8440 * MIPS multiply pattern fixes:
8441 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8442 Add union classes for HI, LO, or HILO plus general registers.
8443 (GENERATE_MADD): Deleted.
8444 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8445 Add TARGET_MAD to condition.
8446 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8447 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8448 "*d" for accumulator, to give preference to LO initially but not
8451 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8453 * configure.in (enable_c_mbchar): New configure option.
8454 (extra_cpp_objs): Always available now.
8456 * cexp.y (mbchar.h): #include it.
8457 (yylex): Handle Multibyte characters in character literals.
8459 * cccp.c (mbchar.h): #include it.
8460 (main): Set character set based on LANG environment variable.
8461 (rescan): Handle multibyte characters in comments.
8462 (skip_if_group): See above.
8463 (validate_else): See above.
8464 (skip_to_end_of_comment): See above.
8465 (macarg1): See above.
8466 (discard_comments): See above.
8467 (rescan): Handle multibyte characters in string and character literals.
8468 (collect_expansion): See above.
8469 (skip_quoted_string): See above.
8470 (macroexpand): See above.
8471 (macarg1): See above.
8472 (discard_comments): See above.
8473 (change_newlines): See above.
8475 * c-lex.c (mbchar.h): #include it.
8476 (GET_ENVIRONMENT): New macro.
8477 (init_lex): Set character set based on LANG environment variable.
8478 (yylex): Handle multibyte characters in character literals.
8479 (yylex): Handle multibyte characters in string literals.
8481 * Makefile.in (mbchar.o): New target.
8482 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8483 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8485 * mbchar.[ch]: New files for multibyte character handling.
8487 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8489 * jump.c (jump_optimize): When simplifying noop moves and
8490 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8491 the PUSHes to rewrite in second loop as we did in the first.
8493 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8495 * cplus-dem.c (demangle_nested_args): Make function definition
8496 static to match the prototype.
8498 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8500 * alloca.c: Respect USE_C_ALLOCA.
8501 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8502 * gengenrtl.c (xmalloc): Likewise.
8504 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8506 * loop.h (struct induction): Add no_const_addval.
8507 * loop.c (the_movables, reg_address_cost): New variables.
8508 (init_loop): Init reg_address_cost.
8509 (loop_optimize): Call end_alias_analysis.
8510 (scan_loop): Init the_movables.
8511 (record_giv): Init induction->no_const_addval.
8512 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8513 [REG]: Rearrange loop search test to catch more cases.
8514 (general_induction_var): Return success not benefit; take an extra
8515 argument for that. Change all callers.
8516 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8517 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8518 [default]: Search the_movables for additional combinations.
8519 (sge_plus_constant, sge_plus): New functions.
8520 (express_from_1): New function.
8521 (express_from): Always define. Rewrite using express_from_1.
8522 (combine_givs_p): Handle more cases. Ignore address cost.
8523 (cmp_combine_givs_stats): New function.
8524 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8525 (combine_givs): Rewrite to do best-fit combination.
8527 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8528 (fold): Do a complete (A*C)+(B*C) association check.
8530 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8532 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8534 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8536 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8538 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8540 * tree.c (valid_machine_attribute): Only create a new type variant if
8541 there is a decl to use it.
8543 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8545 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8548 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8550 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8553 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8555 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8556 Simplify tests for clearing an address register.
8557 (expand_prologue): Corresponding changes.
8559 * mn10300.md (movXX patterns): Make sure the destination is an
8560 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8561 (logical patterns): Split into expanders + patterns
8562 (zero and sign extension patterns): Similarly.
8563 (shift patterns): Similarly.
8565 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8567 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8568 for the sequence, recording base values.
8570 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8572 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8574 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8576 * gcc.c: Remove ANSI-C ism from --help code.
8578 * toplev.c: Support --help with USE_CPPLIB.
8580 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8582 * configure.in: Rework gas feature code to work with symlink based
8585 * extend.texi: Clarify some issues related to local variables
8586 assigned to explicit registers.
8588 * mn10300.md (mulsi): Turn into expander + pattern.
8590 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8593 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8595 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8597 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8599 * version.c: Bump again to distinguish mainline tree from the
8602 See ChangeLog.0 for earlier changes.
8605 add-log-time-format: current-time-string
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