1 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
4 the future; indeed that already happens in some cases.
6 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
8 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
9 (arith_operand): Remove constant_p_rtx handling.
10 (const64_operand, const64_high_operand): Likewise.
11 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
12 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
13 (small_int_or_double, uns_small_int, zero_operand): Likewise.
14 * sparc.h (PREDICATE_CODES): Likewise.
16 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
18 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
20 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
21 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
22 consider constant CONSTRUCTOR constant and to defer some cases
24 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
25 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
27 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
29 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
30 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
32 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
33 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
34 (sext_add_operand, and_operand, or_operand): Likewise.
35 (reg_or_cint_operand, some_operand, input_operand): Likewise.
36 * alpha.h (PREDICATE_CODES): Likewise.
38 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
40 * version.c: Bump for snapshot.
42 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
44 * gengenrtl.c (gencode): Always use bzero to clear memory instead
45 of dangerous casts and stores.
47 * Makefile.in (compare, gnucompare): Add missing else true clauses.
49 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
51 * alpha.md (builtin_longjmp): Add missing "DONE".
53 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
55 * gcc.c (execute): Enable -pipe with win32.
57 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
59 * config/arm/t-arm-elf: Add multiplib option for leading
62 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
63 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
65 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
66 than variable 'reload_address_base_reg_class'. [Note this
67 change is unrelated to the others in this patch].
69 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
72 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
74 * alias.c (record_alias_subset): Remove ignored `&'.
75 (init_alias_once): Likewise.
77 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
79 * config/mips/mips.c (mips_asm_file_end): Cast the result of
80 fwrite to `int' when comparing against one.
82 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
83 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
85 * cse.c (rehash_using_reg): Change type of variable `i' to
88 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
91 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
93 * final.c (final_scan_insn): Likewise for variable `i'.
94 (output_asm_insn): Cast a char to unsigned char when used as an
97 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
100 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
102 * recog.c (preprocess_constraints): Cast a char to unsigned char
103 when used as an array index.
105 * regmove.c (find_matches): Likewise.
107 * reload1.c (calculate_needs): Add default case in switch.
108 (eliminate_regs_in_insn): Initialize variable `offset'.
109 (set_offsets_for_label): Change type of variable `i' to unsigned.
110 (reload_as_needed): Wrap variable `i' in macro check on
111 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
113 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
114 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
115 when comparing against one.
117 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
118 unsigned when comparing against one. Likewise for
119 GET_MODE_ALIGNMENT().
120 (layout_record): Cast record_align to int when comparing against a
122 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
125 * tree.c (get_identifier): Cast variable `len' to unsigned when
126 comparing against one.
127 (maybe_get_identifier): Likewise
129 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
131 * toplev.c (rest_of_compilation): Do not set reload_completed.
132 * reload1.c (reload): Set reload_completed before calling
133 cleanup_subreg_operands.
135 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
137 * reload1.c (emit_reload_insns): Check `set' not null before use.
139 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
141 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
144 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
146 * halfpic.c (half_pic_encode): Delete redundant code.
148 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
150 * toplev.c (main): Delete handling of -dM as a preprocessor
153 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
155 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
156 -dI, which are handled by the preprocessor.
158 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
160 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
161 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
163 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
165 * version.c: Bump for snapshot.
167 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
169 * version.c: Bump for snapshot.
171 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
173 * version.c: Bump for snapshot.
175 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
177 * genattr.c (fatal): Qualify a char* with the `const' keyword.
179 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
180 write_unit_name, write_eligible_delay, expand_units,
181 make_length_attrs, write_attr_case, find_attr,
182 make_internal_attr): Likewise.
183 * gencheck.c (tree_codes): Likewise.
184 * gencodes.c (fatal): Likewise.
185 * genconfig.c (fatal): Likewise.
186 * genemit.c (fatal): Likewise.
187 * genextract.c (fatal, walk_rtx, copystr): Likewise.
188 * genflags.c (fatal): Likewise.
189 * genopinit.c (fatal, optabs, gen_insn): Likewise.
190 * genoutput.c (fatal, error, predicates): Likewise.
191 * genpeep.c (fatal): Likewise.
192 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
193 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
195 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
197 * configure.in (with-fast-fixincludes): Fix whitespace.
198 * configure: Rebuilt.
200 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
201 asm() etc. function declarations in __DECC.
203 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
205 * expr.c (emit_move_insn_1): Only emit a clobber if the target
206 is a pseudo register.
208 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
210 * gcse.c: Include expr.h in order to get the prototype for
211 get_condition() which is used in delete_null_pointer_checks().
213 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
215 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
217 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
219 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
220 (ALL_CFLAGS): Delete SCHED_CFLAGS.
222 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
224 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
227 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
229 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
230 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
231 optimizations from the combiner.
233 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
235 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
237 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
239 * toplev.c (main): Disable optimize_size if a specific
240 optimization level is requested. Always set optimization
241 level to 2 if -Os is specified.
243 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
245 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
247 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
248 initialize it using fname.
250 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
252 * cpplib.c (do_include): Treat #include_next in the
253 primary source file as #include plus warning. Treat
254 #include_next in a file included by absolute path as an
255 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
257 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
259 * cccp.c: Don't define MIN/MAX anymore.
260 * cpplib.c: Likewise.
261 * machmode.h: Likewise.
262 * system.h: Provide definitions for MIN/MAX.
264 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
266 * fix-header.c: Don't define xstrdup here.
268 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
270 * loop.c (consec_sets_giv): New argument last_consec_insn.
271 (strength_reduce): Provide / use it.
273 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
275 * loop.h (loop_info): New field 'vtop'.
276 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
277 scanning loop for vtop.
278 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
279 (loop_iterations): Use them to determine if loop has a constant
280 number of iterations. Set loop_info->vtop. Don't subtract
281 common reg term from initial_value and final_value if have a
284 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
286 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
288 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
290 * mn10200.md (abssf2, negsf2): New expanders.
292 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
294 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
296 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
297 replaced by a CONCAT whoes components do not have the same
298 mode as the original SUBREG, use a new SUBREG to restore the
301 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
302 multiword complex values.
304 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
306 * cppalloc.c: Add xstrdup here.
307 * cpplib.h: Remove savestring prototype.
308 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
310 * cppfiles.c: s/savestring/xstrdup/ throughout.
312 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
314 * cpplib.c: Make all directive handlers read their own
316 (struct directive): Remove last two arguments from FUNC
317 member prototype. Remove `command_reads_line' member
319 (directive_table): Remove initializations of
320 command_reads_line flag. Pretty-print.
321 (eval_if_expression, do_define, do_line, do_include,
322 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
323 do_else, do_elif, do_sccs, do_assert, do_unassert,
324 do_warning): Take only two args.
326 (cpp_define): Call do_define with two args and the text to
327 define stuffed into a buffer.
328 (make_assertion): Call do_assert with two args.
329 (handle_directive): Call do_line with two args. Call
330 kt->func with two args. Remove command_reads_line
332 (do_define, do_undef, do_error, do_warning, do_pragma,
333 do_sccs): Read the rest of the line here.
334 (do_ident): Gobble rest of line, as cccp does.
335 (cpp_undef): New function.
336 (cpp_start_read): Call cpp_undef instead of do_undef.
338 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
340 * cpphash.h (union hash_value): Remove `keydef' member, add a
341 `struct hashnode *aschain' member for #assert.
343 * cpplib.c (struct tokenlist_list, struct
344 assertion_hashnode): Delete structure definitions.
345 (assertion_install, assertion_lookup, delete_assertion,
346 check_assertion, compare_token_lists, reverse_token_list,
347 read_token_list, free_token_list): Delete functions.
348 (parse_assertion): New function.
349 (cpp_cleanup): Don't destroy the assertion_hashtable.
351 (do_assert): Gut and rewrite. #assert foo (bar) places
352 entries for `#foo' and `#foo(bar)' in the macro hash table,
353 type T_ASSERT. The value union's `aschain' member is used
354 to chain all answers for a given predicate together.
355 (do_unassert): Also rewritten. Take an un-asserted
356 answer off the chain from its predicate and call
357 delete_macro on the hashnode, or walk a predicate chain
358 calling delete_macro on all the entries.
359 (cpp_read_check_assertion): Simply call parse_assertion to
360 get the canonical assertion name, and look that up in the
363 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
366 * cpphash.c (install): Use bcopy instead of an explicit loop
367 to copy the macro name.
369 * cppexp.c (cpp_lex): Convert the result of
370 cpp_read_check_assertion to a `struct operation' directly;
371 don't go through parse_number.
373 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
375 * loop.h (struct induction): Delete times_used member.
376 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
377 (n_times_used): Rename to n_times_set. Changed all users.
378 (scan_loop): Free reg_single_usage before strength reduction.
379 (record_giv, combine_givs): Remove handling of times_used member.
380 (combine_givs_used_once): Rename to:
381 (combine_givs_used_by_other) . Changed all callers.
383 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
385 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
386 instead of TREE_CODE_CLASS == 't'.
387 (gen_type_die): Likewise.
388 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
390 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
392 * real.c (endian): Disable last change unless
393 HOST_BITS_PER_WIDE_INT is greater than 32.
395 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
397 * output.h (force_data_section): New prototype.
398 * varasm.c (force_data_section): New function to force the
399 data section, regardless of what in_section thinks.
400 * dwarf2out.c (output_call_frame_info): Call force_data_section
401 since varasm may not realize we've changes sections.
403 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
405 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
406 after completeing reload.
408 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
409 deleted after reload.
411 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
413 * rtl.h (multiple_sets): Fix prototype.
414 * rtlanal.c (multiple_sets): Fix return type.
416 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
418 * version.c: Bump for snapshot.
420 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
422 * version.c: Bump for snapshot.
424 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
426 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
428 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
430 * rtl.h (recompute_reg_usage): Add second argument.
431 * flow.c (recompute_reg_usage): Likewise.
432 * toplev.c (rest_of_compilation): Supply second argument to
435 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
438 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
440 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
441 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
442 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
445 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
447 * rtlanal.c (multiple_sets): New function.
448 * rtl.h (multiple_sets): Declare it.
449 * local-alloc.c (wipe_dead_reg): Use it.
450 * global.c (global_conflicts): Likewise.
452 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
454 * global.c (record_conflicts): Don't use an array of shorts to
455 store an array of ints.
456 (global_conflicts): Likewise.
458 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
460 * alpha.c (alpha_expand_block_move): mode_for_size expects
461 bits, not bytes. Infer extra alignment from addressof.
463 1998-12-11 Michael Meissner <meissner@cygnus.com>
465 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
466 .sbss section, not .sdata.
468 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
470 * cccp.c: Do not #include <sys/stat.h> here; this is already done
472 * collect2.c: Likewise.
473 * cpplib.h: Likewise.
476 * getpwd.c: Likewise.
477 * protoize.c: Likewise.
478 * toplev.c: Likewise.
480 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
481 and don't try to define it here.
482 * Makefile.in (cppmain.o): Depend on machmode.h.
483 (cpplib.o): Likewise.
484 (cpperror.o): Likewise.
485 (cppexp.o): Likewise.
486 (cppfiles.o): Likewise.
487 (cpphash.o): Likewise.
488 (cppalloc.o): Likewise.
489 (fix-header.o): Likewise.
490 (scan-decls.o): Likewise.
492 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
494 * sh.c (print_operand): lookup interrupt_handler attribute instead
495 of relying on static variable.
496 * (calc_live_regs): Likewise.
497 * (sh_pragma_insert_attributes): Create interrupt_handler
498 attribute if a pragma was specified
499 * (sh_valid_machine_decl_attribute): Don't set static flag.
500 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
502 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
504 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
505 to determine if a register is live at a jump destination.
506 Everything is dead at a BARRIER.
508 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
510 * cse.c (simplify_unary_operation): Sign-extend constants when
511 they have the most significant bit set for the target.
512 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
514 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
515 HOST_WIDE_INT temporary before negating it.
516 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
518 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
520 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
523 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
525 * collect2.h: New header file for prototypes.
527 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
529 * collect2.c: Include collect2.h.
532 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
534 * flow.c: Update some comments.
536 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
538 * objc/objc-act.c (cpp_initialized): Removed.
539 (lang_init_options): Initialize cpplib.
540 (lang_decode_option): Move initialization of cpplib to
542 * c-lang.c: (parse_options,parse_in): Added.
543 (lang_init_options): Initialized cpplib here.
544 * c-decl.c (parse_options,cpp_initialized): Removed.
545 (c_decode_option): Move initialization of cpplib to
548 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
550 * reload1.c (reload_combine, reload_combine_note_store):
551 Make STORE_RUID always valid.
552 (reload_combine): Check if BASE is clobbered too early.
554 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
556 * reload.c (find_reloads): Display the insn that cannot be
559 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
561 * cccp.c (create_definition): Fix end of bufer logic.
563 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
565 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
566 pointer parameters changed to use the PARAMS() macro.
568 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
570 * except.h (struct handler_info): Add handler_number field.
571 * except.c (gen_exception_label): EH labels no longer need to be
572 on the permanent obstack.
573 (get_new_handler): Set the label number field.
574 (output_exception_table_entry): Regenerate handler label reference
575 from the label number field.
576 (init_eh): Remove a blank line.
577 * integrate.c (get_label_from_map): Labels no longer need to be
578 on the permanent obstack.
580 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
582 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
583 only when OUTER_CODE is SET.
585 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
587 * loop.c (strength_reduce): If scan_start points to the loop exit
588 test, be wary of subversive use of gotos inside expression statements.
589 Don't set maybe_multiple for a backward jump that does not
590 include the label under consideration into its range.
591 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
593 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
595 * explow.c (plus_constant_wide): Don't immediately return with
596 result of recursive call.
598 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
600 * eh-common.h (struct eh_context): Add table_index for rethrows.
602 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
603 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
604 processed when inlined or unrolled (ie duplicated in some way).
606 * rtl.c (reg_note_name): Add strings for new reg_note enums.
608 * expr.h (rethrow_libfunc): New library decl.
610 * optabs.c (rethrow_libfunc): Initialize.
612 * except.h (struct eh_entry): Add new field 'rethrow_label'.
613 (new_eh_region_entry): No longer exported from except.c.
614 (duplicate_handlers): Renamed to duplicate_eh_handlers and
616 (rethrow_symbol_map, rethrow_used): New exported functions.
617 (eh_region_from_symbol): New exported function.
619 * except.c (create_rethrow_ref): New function to create a single
620 SYMBOL_REF for a rethrow region.
621 (push_eh_entry): Initialize a rethrow ref.
622 (func_eh_entry): Add a rethrow_label field.
623 (new_eh_region_entry): Make static, and initialize the rethrow entry.
624 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
625 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
626 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
627 a region into an appropriate new symbol.
628 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
629 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
630 (end_catch_handler): Emit a barrier for new-exceptions since
631 control can never drop through the end of a catch block.
632 (expand_end_all_catch): new-exceptions never fall through a catch
634 (expand_rethrow): use __rethrow routine for new exceptions.
635 (output_exception_table_entry): Generate rethrow labels, if needed.
636 (output_exception_table): Generate start and end rethrow labels.
637 (init_eh): Create rethrow symbols for beginning and end of table.
638 (scan_region): Don't eliminate EH regions which are the targets of
641 * flow.c (make_edges): Add different edges for rethrow calls,
642 identified by having the REG_EH_RETHROW reg label.
643 (delete_unreachable_blocks): Don't delete regions markers which are
644 the target of a rethrow.
646 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
647 allow save_for_inline_copying to call duplicate_eh_handlers.
648 (save_for_inline_copying): Call duplicate_eh_handlers instead of
649 exposing internal details of exception regions.
650 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
651 (expand_inline_function_eh_labelmap): New callback routine to
652 allow expand_inline_function to call duplicate_eh_handlers.
653 (expand_inline_function): Call duplicate_eh_handlers instead of
654 exposing internal details of exception regions.
655 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
658 * libgcc2.c (find_exception_handler): Generalize to enable it to
659 pick up processing where it left off last time for a rethrow.
660 (__unwinding_cleanup): New function. debug hook which is called before
661 unwinding when __throw finds there is nothing but cleanups left.
662 (throw_helper): Common parts of __throw extracted out for reuse.
663 (__throw): Common parts moved to throw_helper.
664 (__rethrow): New function for performing rethrows.
666 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
668 * reload1.c (current_function_decl): Tweak declaration.
670 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
672 * c-decl.c (flag_isoc9x): Default off.
673 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
674 * cccp.c (print_help, main): Likewise.
675 * gcc.c (default_compilers): Update for -std=gnu*.
677 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
679 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
680 * demangle.h: Deleted.
682 * reload1.c (current_function_decl): Declare.
684 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
688 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
690 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
692 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
694 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
696 * configure: Rebuilt.
697 * system.h: If the *_unlocked functions are available use them
698 instead of the locked counterparts by defining macros.
699 * config.in: Regenerated.
701 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
703 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
704 wrong and should only be used for dump related things, not
705 debugging information, instead main_input_filename should be used.
706 Also, reuse output_file_directive if possible.
707 * i386/aix386ng.h (ASM_FILE_START): Likewise.
708 * i386/isc.h (ASM_FILE_START): Likewise.
709 * i386/win-nt.h (ASM_FILE_START): Likewise.
710 * i386/sun386.h (ASM_FILE_START): Likewise.
712 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
714 * configure.in (mips*-*-linux*): Handle big and little endian
716 * configure: Rebuilt.
718 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
720 * emit-rtl.c: Fix typo.
722 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
724 * reload1.c (eliminate_regs): Don't do anything, if we're not
727 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
729 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
731 * mips/mips.c (mips_select_section): Add comment.
733 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
735 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
736 characters in file names in #line to be consistent with #include
737 handling. We support escape prcessing in the # 1 "..." version of
738 the command. See also support in cp/lex.c.
739 (handle_directive): Likewise.
742 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
744 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
745 so it'll work on non-ASCII platforms. Always consider $ an
746 identifier character. Take no arguments.
747 (cpp_reader_init): Call initialize_char_syntax with no
749 (cpp_start_read): Don't call initialize_char_syntax again.
750 Clear is_idchar['$'] and is_idstart['$'] if not
751 opts->dollars_in_ident.
753 * cpplib.h (struct cpp_reader): Replace void *data element by
754 cpp_options *opts. Rearrange elements to make gdb printout
755 less annoying (put buffer stack at end).
756 (CPP_OPTIONS): Get rid of now-unnecessary cast.
758 * cppmain.c: s/data/opts/ when initializing cpp_reader
760 * c-decl.c: Likewise.
761 * objc/objc-act.c: Likewise.
762 * fix-header.c: Likewise.
764 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
766 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
767 with a struct file_name_list pointer.
768 (struct cpp_reader): Add pointer to chain of `actual
769 directory' include searchpath entries.
770 (struct file_name_list): Add *alloc pointer for the sake of
771 the actual-directory chain.
773 Move definition of HOST_WIDE_INT here.
774 (cpp_parse_escape): Change prototype to match changes in
777 * cppfiles.c (actual_directory): New function.
778 (finclude): Use it to initialize the buffer's actual_dir
780 (find_include_file): We don't need to fix up max_include_len
783 * cpplib.c (do_include): Don't allocate a file_name_list on
784 the fly for current directory "" includes, use the one that's
785 been preallocated in pfile->buffer->actual_dir. Hoist out
786 duplicate code from the search_start selection logic.
787 (cpp_reader_init): Initialize pfile->actual_dirs.
789 Remove definition of HOST_WIDE_INT. Change calls
790 to cpp_parse_escape to match changes in cppexp.c (note
791 hardcoded MASK, which is safe since this is the source
794 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
795 to handle wide character constants in #if directives. The
796 function now returns a HOST_WIDE_INT, and takes a third
797 argument which is a binary mask for all legal values (0x00ff
798 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
799 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
800 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
802 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
804 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
806 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
808 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
809 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
810 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
812 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
814 * final.c (output_asm_name): Use tabs to seperate comments from
817 Include instruction lengths (if defined) in output.
819 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
821 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
822 in the loop_info structure.
824 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
826 * configure.in: (arm*-*-ecos-elf): New target.
827 * configure: Regenerated.
828 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
829 * config/arm/ecos-elf.h: New file.
830 * config/arm/unknown-elf.h (TARGET_VERSION): Check
833 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
835 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
837 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
839 * version.c: Bump for snapshot.
841 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
843 * loop.c (check_dbra_loop): New argument loop_info. Update fields
846 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
848 * version.c: Bump for snapshot.
850 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
852 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
853 compressed reports are ok and preferred over URLs
855 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
857 * invoke.texi (Warning Options): Soften the tone of -pedantic
859 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
861 * print-rtl.c (print_rtx): Add prototype.
863 * unroll.c (iteration_info): Make it static.
865 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
867 * alias.c (memrefs_conflict_p): A second ANDed address
868 disables the aligned address optimization.
870 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
872 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
875 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
877 * i960.h (BOOL_TYPE_SIZE): Define.
879 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
881 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
882 from old valid_parallel_operands_4.
883 (valid_parallel_operands_4): Check that operands for 4 operand
884 parallel insns are valid, excluding load/store insns.
885 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
886 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
887 valid_parallel_load_store instead of valid_parallel_operands_4.
888 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
889 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
890 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
891 *notqi_movqi_clobber): Use valid_parallel_operands_4.
892 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
893 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
894 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
896 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
898 * config/c4x/c4x.c (iteration_info): Delete extern.
900 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
902 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
904 * final.c (cleanup_subreg_operands): Delete some unused code.
906 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
907 (struct insn_alternative): New structure definition.
908 (recog_op_alt): Declare variable.
909 (preprocess_constraints): Declare function.
910 * recog.c (recog_op_alt): New variable.
911 (extract_insn): Verify number of alternatives is in range.
912 (preprocess_constraints): New function.
913 * reg-stack.c: Include recog.h.
914 (constrain_asm_operands): Delete.
915 (get_asm_operand_lengths): Delete.
916 (get_asm_operand_n_inputs): New function.
917 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
918 N_OUTPUTS args. All callers changed.
919 Compute number of inputs and outputs here by calling
920 get_asm_operand_n_inputs.
921 Instead of constrain_asm_operands, call extract_insn,
922 constrain_operands and preprocess_constaints. Use information
923 computed by these functions throughout.
924 (record_reg_life): Delete code that is unused due to changes in
926 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
927 N_INPUTS and N_OUTPUTS args. All callers changed.
928 Similar changes as in record_asm_reg_life.
929 (subst_stack_regs): Move n_operands declaration into the if statement
931 Delete code that is unused due to changes in subst_asm_stack_regs.
932 * stmt.c (expand_asm_operands): Verify number of alternatives is in
934 * Makefile.in (reg-stack.o): Depend on recog.h.
936 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
938 * except.c (set_exception_version_code): Argument is an "int".
940 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
942 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
943 * configure: Rebuilt.
945 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
947 * configure.in (mipsel-*-linux*): New target.
948 * mips/linux.h: New file, based on other Linux targets.
950 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
952 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
953 runs in the context of the deleter, not the deletee, so we must
954 use taskVarGet to find the correct memory to free.
955 (__gthread_key_create): Initialize the task
956 variable subsystem so that the task variable is still active when
957 the delete hook is run.
959 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
961 * pdp11.h: Use optimize_size for space optimizations.
963 * pdp11.md: Likewise.
965 * pdp11.h (TARGET_40_PLUS): Fix typo.
967 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
969 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
972 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
974 * alias.c (addr_side_effect_eval): New function.
975 (memrefs_conflict_p): Use it.
976 * rtl.h (addr_side_effect_eval): Prototype it.
978 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
980 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
982 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
984 * reload.c (find_reloads): When force const to memory, put result
985 in substed_operand not *recog_operand_loc.
987 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
989 * c-lex.c: Fix indentation from last patch.
990 Remove trailing whitespace.
993 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
995 * flow.c (delete_block): Call set_last_insn after we have reset
996 NEXT_INSN (kept_tail).
998 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1000 * mips.md (trap_if): Use "$0" for the value zero.
1002 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1003 Stephen L Moshier <moshier@world.std.com>
1004 Richard Henderson <rth@cygnus.com>
1006 * c-common.c (declare_function_name): Declare predefinied variable
1009 * c-decl.c (flag_isoc9x): Set to 1 by default.
1010 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1011 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1013 * c-parse.in: Allow constructors in ISO C 9x.
1014 Rewrite designator list handling.
1015 Allow [*] parameters.
1016 Don't warn about comma at end of enum definition for ISO C 9x.
1018 * cccp.c (c9x): New variable.
1019 (rest_extension): New variable.
1020 (print_help): Document new -std= option.
1021 (main): Recognize -std= option. Set c9x appropriately.
1022 (create_definition): Recognize ISO C 9x vararg macros.
1024 * gcc.c (default_compilers): Adjust specs for -std options.
1025 (option_map): Add --std.
1026 (display_help): Document -std.
1028 * toplev.c (documented_lang_options): Add -std and remove
1031 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1032 or REAL_VALUE_HTOF based on base of the constants.
1033 * fold-const.c (real_hex_to_f): New function. Replacement function
1034 for hex FP conversion if REAL_ARITHMETIC is not defined.
1035 * real.c (asctoeg): Add handling of hex FP constants.
1036 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1039 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1041 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1042 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1043 expansion. Use hi/lo as destination register.
1045 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1046 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1047 Avoid as macro expansion. Use hi/lo as destination register.
1049 * mips.h (MASK_CHECK_RANGE_DIV): New.
1050 (MASK_NO_CHECK_ZERO_DIV): New.
1051 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1052 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1053 return address for leaf functions out of r31 to support
1054 builtin_return_address.
1056 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1058 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1059 NEXT_INSN(x) to check insn x.
1061 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1063 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1064 last insn in the rtl chain.
1066 * reload1.c (reload): Do not set reload_completed or split insns
1068 * toplev.c (rest_of_compilation): Set reload_completed after
1069 reload returns. Split insns after reload_cse has run.
1071 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1073 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1075 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1077 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1079 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1081 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1082 use of user-label_prefix.
1084 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1086 * reload1.c (emit_reload_insns): Clear spill_reg_store
1087 when doing a new non-inherited reload from the same pseudo.
1089 * local-alloc.c (function_invariant_p): New function.
1090 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1091 to decide if an equivalence should be recorded.
1092 * reload1.c (num_eliminable_invariants): New static variable.
1093 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1094 to decide if an equivalence should be recorded.
1096 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1097 Take num_eliminable_invariants into account when deciding
1098 if register elimination should be done.
1099 (reload_as_needed): Take num_eliminable_invariants into account
1100 when deciding if register elimination should be done.
1101 (eliminate_regs): Handle non-constant reg_equiv_constant.
1102 * rtl.h (function_invariant_p): Declare.
1104 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1106 * version.c: Bump for snapshot.
1108 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1110 * version.c: Bump for snapshot.
1112 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1114 * except.c (add_new_handler): Complain about additional handlers
1115 after one that catches everything.
1117 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1119 * configure.in (alpha*-*-netbsd): Fix typo.
1120 * configure: Rebuilt.
1122 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1124 * system.h: Include libiberty.h.
1126 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1127 function `concat' from fixed parameters to variable parameters,
1128 as is done in libiberty. All callers of concat/concat3
1129 changed to use the new `concat' with variable args.
1131 * cccp.c: Remove things made redundant by libiberty.h and/or
1132 conform to libiberty standards.
1134 * collect2.c: Likewise.
1135 * config/1750a/1750a.h: Likewise.
1136 * cppalloc.c: Likewise.
1137 * cppexp.c: Likewise.
1138 * cppfiles.c: Likewise.
1139 * cpphash.c: Likewise.
1140 * cpplib.c: Likewise.
1141 * dyn-string.c: Likewise.
1142 * fix-header.c: Likewise.
1145 * genattr.c: Likewise.
1146 * genattrtab.c: Likewise.
1147 * gencheck.c: Likewise.
1148 * gencodes.c: Likewise.
1149 * genconfig.c: Likewise.
1150 * genemit.c: Likewise.
1151 * genextract.c: Likewise.
1152 * genflags.c: Likewise.
1153 * gengenrtl.c: Likewise.
1154 * genopinit.c: Likewise.
1155 * genoutput.c: Likewise.
1156 * genpeep.c: Likewise.
1157 * genrecog.c: Likewise.
1158 * getpwd.c: Likewise.
1159 * halfpic.c: Likewise.
1161 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1162 in NEED_DECLARATION_* macros.
1164 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1165 conform to libiberty standards.
1166 (fatal): Fix const-ification of variable `format' in
1167 !ANSI_PROTOTYPES case.
1169 * prefix.c: Remove things made redundant by libiberty.h and/or
1170 conform to libiberty standards.
1172 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1173 conflicting with function `spaces' from libiberty.
1175 * profile.c: Remove things made redundant by libiberty.h and/or
1176 conform to libiberty standards.
1177 * protoize.c: Likewise.
1180 * tlink.c: Likewise.
1181 * toplev.c: Likewise.
1182 * toplev.h: Likewise.
1185 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1187 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1189 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1191 * README.C4X: Updated URLs.
1192 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1193 (valid_parallel_operands_5): Remove unused variable.
1195 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1197 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1199 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1201 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1202 which can be configured.
1203 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1204 (Makefile): Pass actual LANGUAGES through the environment when
1206 (cstamp-h): Likewise.
1207 (config.status): Likewise.
1209 * configure.in (enable_languages): Add new configuration parameter
1210 "--enable-languages=lang1,lang2,...".
1211 (${srcdir}/*/config-lang.in): Change handling to configure only
1212 those directories, that the user might have enabled; default to
1213 "all" existing languages.
1214 * configure: Regenerate.
1216 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1218 * rtlanal.c (regs_set_between_p): New function.
1219 * rtl.h (regs_set_between_p): Prototype it.
1220 * jump.c (jump_optimize): Use it instead of modified_between_p
1221 in the Sep 2 change.
1223 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1224 Matthias Pfaller <leo@dachau.marco.de>
1226 * invoke.texi (Option Summary, NS32K Options): add description
1227 of NS32K specific options.
1229 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1230 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1231 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1232 negdf2, absdf2): Use l instead of f since the double class and
1233 float class are no longer the same.
1234 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1235 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1236 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1237 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1239 (cmpsi, cmphi, cmpqi): use general_operand instead of
1240 non_immediate_operand. Removes erroneous assumption that can't
1242 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1243 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1245 (movstrsi, movstrsi1, movstrsi2): completely new block move
1247 (...): Patterns to exploit multiply-add instructions.
1248 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1249 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1250 patterns to exploit extended divide insns.
1251 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1254 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1255 float return values as well as simple scalar floats.
1256 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1257 support new flag to denote 32381 fpu.
1258 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1259 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1261 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1262 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1263 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1264 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1265 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1266 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1267 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1268 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1269 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1270 fpu registers and special register classes for new 32381
1271 instructions dotf and polyf.
1272 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1274 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1275 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1277 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1278 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1279 (REGISTER_MOVE_COST): move code to register_move_cost function for
1280 ease of coding and debugging.
1281 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1282 LONG_FLOAT_REGO is likely spilled but not caught by default
1284 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1285 instead of hard coded numbers in range check.
1286 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1287 (...): Add prototypes for functions in ns32k.c but disable because
1288 of problems when ns32k.h is included in machine independant files.
1290 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1291 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1292 hard_regno_mode_ok, secondary_reload_class,
1293 print_operand, print_operand_address): new register scheme to
1294 include 32381 fpu registers and special register classes for new
1295 32381 instructions dotf and polyf.
1296 (gen_indexed_expr): Make static to keep namespace clean.
1297 (check_reg): remove since never called.
1298 (move_tail, expand_block_move): helper functions for "movstrsi"
1300 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1301 Increase cost of moves which go via memory.
1302 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1303 (CPP_PREDEFINES): nolonger predefine "unix".
1305 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1306 Remove erroneous %$. print_operand() can work out from the rtx is
1307 an immediate prefix is required.
1309 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1310 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1311 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1313 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1316 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1317 Correct handling of pic operands.
1318 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1319 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1320 -mrtd calling convention.
1322 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1324 * gcc.c (option_map): Recognize --output-class-directory.
1326 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1328 * loop.h (precondition_loop_p): Added new mode argument.
1329 * unroll.c (precondition_loop_p): Likewise.
1330 (approx_final_value): Function deleted and subsumed
1331 into loop_iterations.
1332 (loop_find_equiv_value): New function.
1333 (loop_iterations): Use loop_find_equiv_value to find increments
1334 too large to be immediate constants. Also use it to find terms
1335 common to initial and final iteration values that can be removed.
1337 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1339 * loop.h (struct loop_info): Define new structure.
1340 (precondition_loop_p): Added prototype.
1341 (unroll_loop): Added new argument loop_info to prototype.
1342 (final_biv_value, final_giv_value): Added new argument n_iterations
1344 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1345 and new pointer loop_info.
1346 (loop_n_iterations): Replace global variable by element in
1347 loop_info structure.
1348 (check_final_value): New argument n_iterations.
1349 (insert_bct): New argument loop_info.
1350 (loop_unroll_factor): Replace global array by element in
1351 loop_info structure.
1352 (loop_optimize): Remove code to allocate and initialise
1353 loop_unroll_factor_array.
1354 * unroll.c (precondition_loop_p): No longer static since
1355 used by branch on count optimization.
1356 (precondition_loop_p, unroll_loop): New argument loop_info.
1357 (final_biv_value, final_giv_value, find_splittable_regs): New
1358 argument n_iterations.
1359 (loop_iteration_var, loop_initial_value, loop_increment,
1360 loop_final_value, loop_comparison_code, loop_unroll_factor):
1361 Replaced global variables by loop_info structure.
1362 (loop_unroll_factor): Replace global array by element in
1363 loop_info structure.
1365 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1367 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1370 * unroll.c (precondition_loop_p): Return loop_initial_value
1371 for initial_value instead of loop_iteration_var.
1373 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1375 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1376 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1377 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1378 to output the instruction sequences.
1380 (rptb_top): Provide alternatives to use any register or memory
1382 (rptb_end): Emit use of operands rather than assigning them
1383 explicitly to the RS and RE registers.
1385 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1387 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1388 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1389 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1390 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1391 c4x_merge_notes, c4x_parallel_process,
1392 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1393 c4x_combine_parallel): Delete.
1395 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1397 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1398 with old target options clear flag_branch_on_count_reg if
1399 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1401 (c4x_output_cbranch): Handle a sequence of insns rather than a
1403 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1404 has not been allocated as the loop counter.
1405 (c4x_address_conflict): Do not allow two volatile memory references.
1406 (valid_parallel_operands_4, valid_parallel_operands_5,
1407 valid_parallel_operands_6): Reject pattern if the register destination
1408 of the first set is used as part of an address in the second set.
1410 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1412 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1413 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1414 is no longer enabled if PARALLEL_MPY_FLAG set.
1415 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1416 (REG_CLASS_CONTENTS): Add braces around initializers.
1417 (HAVE_MULTIPLE_PACK): Define.
1418 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1419 REAL_VALUE_TO_DECIMAL.
1420 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1421 REAL_VALUE_TO_DECIMAL.
1422 (ar0_reg_operand): Add prototype.
1423 (ar0_mem_operand): Likewise.
1424 (ar1_reg_operand): Likewise.
1425 (ar1_mem_operand): Likewise.
1426 (ar2_reg_operand): Likewise.
1427 (ar2_mem_operand): Likewise.
1428 (ar3_reg_operand): Likewise.
1429 (ar3_mem_operand): Likewise.
1430 (ar4_reg_operand): Likewise.
1431 (ar4_mem_operand): Likewise.
1432 (ar5_reg_operand): Likewise.
1433 (ar5_mem_operand): Likewise.
1434 (ar6_reg_operand): Likewise.
1435 (ar6_mem_operand): Likewise.
1436 (ar7_reg_operand): Likewise.
1437 (ar7_mem_operand): Likewise.
1438 (ir0_reg_operand): Likewise.
1439 (ir0_mem_operand): Likewise.
1440 (ir1_reg_operand): Likewise.
1441 (ir1_mem_operand): Likewise.
1442 (group1_reg_operand): Likewise.
1443 (group1_mem_operand): Likewise.
1444 (ir1_reg_operand): Likewise.
1445 (arx_reg_operand): Likewise.
1446 (not_rc_reg): Likewise.
1447 (not_modify_reg): Likewise.
1448 (c4x_group1_reg_operand): Remove prototype.
1449 (c4x_group1_mem_operand): Likewise.
1450 (c4x_arx_reg_operand): Likewise.
1452 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1454 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1455 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1457 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1459 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1462 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1464 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1465 unless FMOVD_WORKS is defined.
1467 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1469 * regclass.c (init_reg_sets): Move code that calculates tables
1470 dependent on reg_class_contents from here...
1471 (init_reg_sets_1): To here.
1473 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1475 * cpplib.h: Delete struct import_file. Add ihash element to
1476 struct cpp_buffer. Delete dont_repeat_files and
1477 import_hash_table elements from cpp_reader; change
1478 all_include_files to a hash table. Delete all foobar_include
1479 / last_foobar_include elements from struct cpp_options; put
1480 back four such: quote_include, bracket_include,
1481 system_include, after_include. Redo struct file_name_list
1482 completely. Add new structure type include_hash. Add
1483 prototypes for merge_include_chains and include_hash. Change
1484 prototypes for finclude, find_include_file, and
1485 append_include_chain to match changes below.
1487 * cppfiles.c (simplify_pathname, include_hash,
1488 remap_filename, merge_include_chains): New functions.
1489 (add_import, lookup_import, open_include_file): Removed.
1490 (INO_T_EQ): Define this (copied from cccp.c).
1491 (hack_vms_include_specification): Remove all calls and #if 0
1492 out the definition. It was being called incorrectly and at
1493 the wrong times. Until a VMSie can look at this, it's better
1494 to not pretend to support it.
1495 (append_include_chain): Change calling convention; now takes
1496 only one directory at a time, and sets up the data structure
1498 (redundant_include_p): Rewritten - this is now used for all
1499 include redundancy, whether by #ifndef, #import, or #pragma
1500 once. Looks up things in the include hash table.
1501 (file_cleanup): Decrement pfile->system_include_depth here if
1503 (find_include_file): Calling convention changed; now passes
1504 around a struct include_hash instead of 3 separate parameters.
1505 Guts ripped out and replaced with new include_hash mechanism.
1506 (finclude): Calling convention changed as for
1507 find_include_file. Error exits pulled out-of-line. Reformat.
1508 (safe_read): Return a long, not an int.
1509 (deps_output): Don't recurse.
1511 * cpplib.c (is_system_include): Deleted.
1512 (path_include): Fix up call to append_include_chain.
1513 (do_include): Fix up calls to find_include_file and finclude.
1514 Clean up dependency output a bit. Shorten obnoxiously lengthy
1515 #import warning message. Don't decrement
1516 pfile->system_include_depth here.
1517 (do_pragma): Understand the include_hash structure. Reformat.
1518 (do_endif): Correct handling of control macros. Understand
1520 (cpp_start_read): Fix up calls to finclude. Call
1521 merge_include_chains.
1522 (cpp_handle_option): Fix up calls to append_include_chain.
1523 Understand the four partial include chains.
1524 (cpp_finish): Add debugging code (#if 0-ed out) for the
1526 (cpp_cleanup): Free the include_hash, not the import hash and
1527 the all_include and dont_repeat lists which no longer exist.
1529 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1531 * toplev.c (no_new_pseudos): Define.
1532 (rest_of_compilation): Set no_new_pseudos as needed.
1533 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1534 if no_new_pseudos is set.
1535 * rtl.h (no_new_pseudos): Declare it.
1536 * reload1.c (reload): Update comments.
1537 * md.texi: Corresponding changes.
1539 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1541 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1542 (choose_reload_regs): Rename it here as well. When computing it,
1543 also merge in used hardregs.
1545 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1547 * gcc.c: Split out Objective-C specs to...
1548 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1551 * c-lex.c (init_parse): Always initialize the filename global.
1552 * objc/objc-act.c (lang_init): Always call check_newline at
1555 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1557 * reload1.c (reload): Remove unused variable.
1558 (reload_reg_free_for_value_p): Add missing parameter definition.
1560 * jump.c (jump_optimize): Remove unused variable.
1562 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1564 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1566 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1568 * expr.c (move_by_pieces): Similarly.
1569 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1570 * flow.c (find_auto_inc): Similarly.
1571 (try_pre_increment): Similarly.
1572 * loop.c (strength_reduce): Similarly.
1573 * regclass.c (auto_inc_dec_reg_p): Similarly.
1574 * regmove.c (try_auto_increment): Similarly.
1575 (fixup_match_1): Similarly.
1576 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1577 (HAVE_PRE_DECREMENT): Similarly.
1578 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1579 * Corresponding changes to all target header files.
1580 * tm.texi: Update docs for autoinc addressing modes.
1582 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1584 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1585 * configure: Rebuild.
1586 * config/elfos.h: New file.
1587 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1588 config/m68k/t-m68kelf: New file.
1590 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1592 * Makefile.in (HOST_AR): Define.
1593 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1594 (libcpp.a): Use the host tools explicitly.
1595 (STAGESTUFF): Add libcpp.a.
1597 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1599 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1600 to source and destination registers.
1602 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1604 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1605 The strategy we now use is to pre allocate the top_elt along
1606 with the EH context so that each thread has its own top_elt.
1607 This is necessary as the dynmanic cleanup chain is used on the
1608 top element of the stack and each thread MUST have its own.
1609 (eh_context_static): Likewise.
1610 (new_eh_context): Likewise.
1611 (__sjthrow): Likewise.
1613 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1615 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1616 * i386.md (prologue_get_pc): Remove unused variable.
1618 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1620 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1622 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1624 * Makefile.in (OBJS): Add graph.o
1625 (graph.o): New dependency list.
1626 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1627 * print-rtl.c (dump_for_graph): Define new variable.
1628 (print_rtx): Rewrite to allow use in graph dumping functions.
1629 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1630 finish_graph_dump_file.
1631 Define graph_dump_format.
1632 (compile_file): If graph dumping is enabled also clear these files.
1633 Finish graph dump files.
1634 (rest_of_compilation): Also dump graph information if enabled.
1635 (main): Recognize -dv to enabled VCG based graph dumping.
1636 * graph.c: New file. Graph dumping functions.
1638 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1640 * configure.in: Look for <sys/stat.h>.
1641 * system.h: Include it before substitute S_ISREG definitions.
1643 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1645 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1646 * config/mips/iris6.h: Same.
1647 * config/mips/mips.md: Same.
1648 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1649 * config/mips/mips.h: Same; also define ABI_O64.
1651 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1653 * configure.in: Use AC_PREREQ(2.12.1).
1655 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1657 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1658 * cpplib.c, gcc.c: Likewise.
1659 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1661 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1663 * local-alloc.c (local_alloc): Use malloc not alloca for
1664 reg_qty, reg_offset, ref_next_in_qty.
1666 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1668 * caller-save.c (insert_one_insn): Initialize the live_before and
1669 live_after register sets.
1673 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1674 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1675 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1676 (fp_reg_names, assembler_dialect): New variables.
1677 (print_operand_address): Handle SUBREGs.
1678 (print_operand): Added 'o' case.
1679 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1680 Name of FP registers depends on mode.
1681 (expand_block_move): Emit different code for SH4 hardware.
1682 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1683 (from_compare): Likewise.
1684 (add_constant): New argument last_value. Changed all callers.
1685 (find_barrier): Don't try HImode load for FPUL_REG.
1686 (machine_dependent_reorg): Likewise.
1687 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1688 (gen_far_branch): Emit a barrier after the new jump.
1689 (barrier_align): Don't trust instruction lengths before
1691 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1692 Use auto-inc addressing for fp registers if doubles need to
1693 be loaded in two steps.
1694 Set sh_flag_remove_dead_before_cse.
1695 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1696 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1697 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1698 Support for FIRST_XD_REG .. LAST_XD_REG.
1699 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1700 (sh_expand_epilogue): Likewise.
1701 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1702 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1703 (arith_reg_operand): FPUL_REG is OK for SH4.
1704 (fp_arith_reg_operand, fp_extended_operand) New functions.
1705 (tertiary_reload_operand, fpscr_operand): Likewise.
1706 (commutative_float_operator, noncommutative_float_operator): Likewise.
1707 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1708 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1709 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1710 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1711 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1712 (CONDITIONAL_REGISTER_USAGE): Likewise.
1713 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1714 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1715 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1716 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1717 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1718 to -1 and sh_flag_remove_dead_before_cse to 1.
1719 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1720 (assembler_dialect, fp_reg_names): Declare.
1721 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1722 Hide names of registers that are not accessible.
1723 (CACHE_LOG): Take TARGET_CACHE32 into account.
1724 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1725 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1726 (FIRST_PSEUDO_REGISTER: Now 49.
1727 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1728 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1729 (HARD_REGNO_MODE_OK): Update.
1730 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1731 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1732 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1733 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1734 (NPARM_REGS): Eight floating point parameter registers on SH4.
1735 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1736 in floating point registers.
1737 (GET_SH_ARG_CLASS) Likewise.
1738 Complex float types are also returned in float registers.
1739 (BASE_ARG_REG): Complex float types are also passes in float registers.
1740 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1741 (LIBCALL_VALUE): Remove trailing semicolon.
1742 (ROUND_REG): Round when double precision value is passed in floating
1744 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1745 passed on the stack.
1746 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1747 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1748 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1749 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1750 (MODE_DISP_OK_8): Not for SH4 DFmode.
1751 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1752 Allow indexed addressing for PSImode after reload.
1753 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1754 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1755 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1756 (DOUBLE_TYPE_SIZE): 64 for SH4.
1757 (RTX_COSTS): Add PLUS case.
1758 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1759 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1760 MAC_REGS, PR_REGS, DF_REGS.
1761 (REGISTER_NAMES): Use fp_reg_names.
1762 (enum processor_type): Add PROCESSOR_SH4.
1763 (sh_flag_remove_dead_before_cse): Declare.
1764 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1765 (PREDICATE_CODES): Add binary_float_operator,
1766 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1767 fpscr_operand, noncommutative_float_operator.
1768 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1769 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1770 * sh.md (attribute cpu): Add value sh4.
1771 (attrbutes fmovd, issues): Define.
1772 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1773 (function units memory, int, mpy, fp): Make dependent on issue rate.
1774 (function units issue, single_issue, load_si, load): Define.
1775 (function units load_store, fdiv, gp_fpul): Define.
1776 (attribute hit_stack): Provide proper default.
1777 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1778 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1779 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1780 (mulsi3_call): Now uses match_operand for function address.
1781 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1783 (push, pop, push_e, pop_e): Now define_expands.
1784 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1785 (movsi_ie): Added y/i alternative.
1786 (ic_invalidate_line_i, movdf_i4): New insns.
1787 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1788 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1789 (movdf): Add special code for SH4.
1790 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1791 (call_valuei, calli, call_value): Likewise.
1792 (movsf): Emit no-op move.
1793 (mov_nop, movsi_y): New insns.
1794 (blt, sge): generalize to handle DFmode.
1795 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1796 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1797 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1798 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1799 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1800 (toggle_sz): New insn.
1801 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1802 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1803 (macsf3): Make use of fpscr visible. Disable for SH4.
1804 (floatsisf2): Make use of fpscr visible.
1805 (floatsisf2_i4): New insn.
1806 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1807 (ieee_ccmpeqsf_t): Likewise.
1808 (fix_truncsfsi2): Emit different code for SH4.
1809 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1810 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1811 (negsf2, sqrtsf2, abssf2): Now expanders.
1812 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1813 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1814 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1815 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1816 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1817 (fix_truncdfsi2_i4_2+1): New splitters.
1818 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1819 (extendsfdf2, truncdfsf2): New expanders.
1820 (truncdfsf2_i4): New insn.
1821 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1822 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1823 * float-sh.h: When testing for __SH3E__, also test for
1824 __SH4_SINGLE_ONLY__ .
1825 * va-sh.h (__va_freg): Define to float.
1826 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1827 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1828 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1829 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1831 (TARGET_SH4_P): Define.
1834 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1835 init_expr_once is satisfied about the existence of load / store insns.
1837 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1838 change m constraint in source operand to mr / mf .
1840 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1842 * (__VA_REEF): Define.
1843 (__va_arg_sh1): Use it.
1845 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1847 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1849 * i386/dgux.c (struct option): Add new "description field".
1850 * m88k/m88k.c (struct option): Likewise.
1852 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1854 * version.c: Bump for snapshot.
1856 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1858 * regmove.c (regmove_profitable_p): Use return value of find_matches
1861 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1863 * version.c: Bump for snapshot.
1865 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1867 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1868 without reload having been called earlier.
1870 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1872 (v850_reorg): Similarly.
1874 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1876 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1878 * loop.c (move_movables): Start of libcall might be new loop start.
1880 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1882 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1884 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1886 * function.c (nonlocal_goto_handler_slots): Renamed from
1887 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1888 (push_function_context_to): Adjust for this change.
1889 (pop_function_context_from): Likewise.
1890 (init_function_start): Likewise.
1891 (expand_function_end): Likewise.
1892 * function.h (struct function): Likewise.
1893 * calls.c (expand_call): Likewise.
1894 * explow.c (allocate_dynamic_stack_space): Likewise.
1895 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1896 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1898 (expand_goto): When doing a nonlocal goto, find corresponding handler
1899 slot for it. Don't put the label address in the static chain register.
1900 (expand_end_bindings): Break out nonlocal goto handling code into
1901 three new functions.
1902 (expand_nl_handler_label, expand_nl_goto_receiver,
1903 expand_nl_goto_receivers): New static functions, broken out of
1904 expand_end_bindings and adapted to create one handler per nonlocal
1906 * function.c (delete_handlers): Delete insn if it references any of
1907 the nonlocal goto handler slots.
1908 * i960.md (nonlocal_goto): Comment out code that modifies
1910 * sparc.md (nonlocal_goto): Likewise.
1911 (goto_handler_and_restore_v9): Comment out.
1912 (goto_handler_and_restore_v9_sp64): Comment out.
1914 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1916 * expr.c (STACK_BYTES): Delete unused macro.
1917 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1918 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1919 (expand_call): Likewise.
1920 (emit_library_call): Likewise.
1921 (emit_library_call_value): Likewise.
1922 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1923 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1924 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1925 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1926 (allocate_dynamic_stack_space): Likewise.
1927 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1928 (STACK_BOUNDARY): Update description to reflect the new situation.
1930 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1932 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1933 return with a filled delay slot is followed by a return with an
1934 unfilled delay slot, delete the first return and reemit the insn
1935 that was previously in its delay slot.
1937 * i860.c (single_insn_src_p): Add missing parens.
1938 * ginclude/math-3300.h: Likewise.
1940 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1942 * regclass.c (init_reg_sets_1): Add prototype.
1943 (init_reg_modes): Likewise.
1945 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1947 * c-common.c: Change warning messages to say `comparison is
1948 always true' or `comparison is always false' instead of the
1949 confusing `is always 0', `is always 1'.
1951 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1953 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1954 break instead of return (which loses closing '>').
1956 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1958 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1959 standard 387 constants.
1961 * i386.md (jump): Explicitly set "memory" attribute.
1962 (indirect_jump, prologue_set_stack_ptr): Likewise.
1963 (prologue_get_pc_and_set_got, pop): Likewise.
1964 (allocate_stack_worder, blockage, return_internal): Likewise.
1965 (return_pop_internal, nop): Likewise.
1966 (epilogue_set_stack_ptr, leave): Likewise.
1968 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1970 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1972 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1974 * reload1.c (reload_reg_free_for_value_p):
1975 Early auto_inc reloads don't conflict with outputs.
1977 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1979 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1980 Instead call AC_HEADER_SYS_WAIT.
1982 * collect2.c: Don't provide defaults for sys/wait.h macros.
1984 * protoize.c: Likewise. Also, don't include sys/wait.h.
1986 * system.h: Include sys/wait.h and provide macro defaults.
1988 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1990 * Makefile.in (mandir): Set to @mandir@.
1991 (man1dir): New variable to hold the former value of $(mandir).
1992 Replace all uses of $(mandir) by $(man1dir).
1994 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1996 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1997 a new one before passing it to force_const_mem.
1999 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2000 find_reloads_address call.
2002 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2004 * expr.c (store_expr): Don't generate load-store pair
2005 if TEMP is identical (according to ==) with TARGET.
2007 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2009 * reload1.c (reload_reg_free_for_value_p): When considered reload
2010 has an output, matching inputs are not sufficient to avoid conflict.
2012 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2014 * hash.h (hash_table_key): New type.
2015 (hash_entry): Change `string' field to generic `key'.
2016 (hash_table): Add `comp' and `hash' functions.
2017 (hash_table_init): Take them as input.
2018 (hash_table_init_n): Likewise.
2019 (hash_lookup): Modify for generic keys.
2020 (hash_newfunc): Likewise.
2021 (hash_traverse): Likewise.
2022 (string_hash): New function.
2023 (string_compare): Likewise.
2024 (string_copy): Likewise.
2025 * hash.c (hash_table_init_n): Modify for generic keys.
2026 (hash_table_init): Likewise.
2027 (hash_lookup): Likewise.
2028 (hash_newfunc): Likewise.
2029 (hash_traverse): Likewise.
2030 (string_hash): Split out from hash_lookup.
2031 (string_compare): New function.
2032 (string_copy): Split out from hash_lookup.
2033 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2035 (symbol_hash_lookup): Likewise.
2036 (file_hash_newfunc): Likewise.
2037 (file_hash_lookup): Likewise.
2038 (demangled_hash_newfunc): Likewise.
2039 (demangled_hash_lookup): Likewise.
2040 (tlink_int): Likewise.
2041 (read_repo_file): Likewise.
2042 (recompile_files): Likewise.
2043 (demangle_new_symbols): Likewise.
2044 (scan_linker_output): Likewise.
2046 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2048 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2050 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2052 * rs6000.c (output_mi_thunk): Improve test for local branch.
2054 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2056 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2058 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2060 * reload1.c (reload_reg_free_before_p): Delete.
2061 Changed all callers to use reload_reg_free_for_value_p instead.
2062 (reload_reg_free_for_value_p): Handle more reload types.
2063 A RELOAD_FOR_INPUT doesn't conflict with its
2064 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2065 Add special case for OUT == const0_rtx.
2066 Added ignore_address_reloads argument. Changed all callers.
2068 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2070 * toplev.c (compile_file): Don't pedwarn about undefined static
2071 functions just because we passed -Wunused.
2073 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2075 * function.c (purge_addressof_1): Unshare rtl created by
2078 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2080 * regmove.c (regmove_optimize): Don't do anything but
2081 optimize_reg_copy[123] when flag_regmove is not set.
2083 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2085 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2086 value in paradoxical SImode result, rather than truncating midpoint.
2088 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2090 * alpha.c (reg_not_elim_operand): New.
2091 * alpha.h (PREDICATE_CODES): Add it.
2092 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2093 for the multiplicand.
2095 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2097 * rs6000.md (movsf): Remove explicit secondary-reload-like
2098 functionality. Only truncate SFmode store if in FPR.
2099 (movsf splitters): Combine const_double splitters.
2100 (movsf_hardfloat): Add GPR support.
2102 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2104 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2105 deprecate -mlive-g0 and -mbroken-saverestore.
2106 * t-splet (MULTILIB_OPTIONS): Likewise.
2108 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2109 in a leaf function. Clarify total_size/extra_size relationship.
2111 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2113 * i386/cygwin32.asm: Delete.
2114 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2115 * i386/cygwin32.h: Delete.
2116 * i386/cygwin.h: New file, renamed from cygwin32.h.
2117 * i386/t-cygwin32: Delete.
2118 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2119 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2120 * i386/x-cygwin32: Delete.
2121 * i386/x-cygwin: New file, renamed from x-cygwin32.
2122 * i386/xm-cygwin32: Delete.
2123 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2124 renamed cygwin_ funcs for path translations.
2125 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2126 * i386/winnt.c: Remove "32" from comment about cygwin.
2127 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2128 * rs6000/cygwin32.h: Delete.
2129 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2130 -D__CYGWIN__ to CPP_PREDEFINES.
2131 * rs6000/x-cygwin32: Delete.
2132 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2133 * rs6000/xm-cygwin32: Delete.
2134 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2136 * configure.in: Check for cygwin* instead of cygwin32. Account
2137 for the rename of cygwin-related config files to lose the "32"s.
2138 * configure: Regenerate.
2140 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2141 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2143 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2145 * Makefile.in (JAVAGC): New macro.
2146 * configure: Rebuilt.
2147 * configure.in: Recognize --enable-java-gc argument. Subst
2150 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2152 Handle equivalences that have been obscured by gcse:
2154 * reload1.c (reload): Handle equivalences set up in multiple places.
2155 * local-alloc.c (reg_equiv_init_insns): New variable.
2156 (no_equiv): New function.
2157 (update_equiv_regs): Handle equivalences set up in multiple places.
2158 Don't ignore an insn just because its destination is likely to be
2161 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2163 * except.c (expand_eh_return): Readd force_operand call lost in
2166 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2168 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2170 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2172 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2174 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2176 * regmove.c (regmove_optimize): Fix error in last change.
2178 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2180 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2181 offset in the .mask pseudo to compensate for frame pointer adjustments.
2182 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2183 word swap arguments moved to/from FP registers.
2184 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2186 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2188 * version.c: Bump for snapshot.
2190 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2192 * version.c: Bump for snapshot.
2194 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2196 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2197 times, then it can not be completely replaced.
2199 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2201 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2203 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2205 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2206 (to distinguish it from the macro wrapping ansidecl.h.)
2207 Include libiberty's ansidecl.h. Remove all redundant definitions.
2208 Define the PROTO() style macros in terms of the PARAMS() ones.
2211 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2212 __STDC__, when deciding whether to use ANSI variable args.
2213 (emit_library_call_value): Likewise.
2215 * cccp.c (error): Likewise.
2216 (warning): Likewise.
2217 (error_with_line): Likewise.
2218 (warning_with_line): Likewise.
2219 (pedwarn): Likewise.
2220 (pedwarn_with_line): Likewise.
2221 (pedwarn_with_file_and_line): Likewise.
2224 * cexp.y (error): Likewise.
2225 (pedwarn): Likewise.
2226 (warning): Likewise.
2228 * collect2.c (fatal_perror): Likewise.
2232 * combine.c (gen_rtx_combine): Likewise.
2234 * cpperror.c (cpp_message): Likewise.
2235 (cpp_fatal): Likewise.
2237 * cpplib.c (cpp_error): Likewise.
2238 (cpp_warning): Likewise.
2239 (cpp_pedwarn): Likewise.
2240 (cpp_error_with_line): Likewise.
2241 (cpp_warning_with_line): Likewise.
2242 (cpp_pedwarn_with_line): Likewise.
2243 (cpp_pedwarn_with_file_and_line): Likewise.
2245 * cpplib.h: Don't define PARAMS() macro.
2247 * demangle.h: Likewise.
2249 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2250 when deciding whether to use ANSI variable args.
2252 * emit-rtl.c (gen_rtx): Likewise.
2253 (gen_rtvec): Likewise.
2255 * final.c (asm_fprintf): Likewise.
2257 * fix-header.c (cpp_message): Likewise.
2259 (cpp_fatal): Likewise.
2261 * gcc.c (concat): Likewise.
2265 * genattr.c (fatal): Likewise.
2267 * genattrtab.c (attr_rtx): Likewise.
2268 (attr_printf): Likewise.
2271 * gencodes.c (fatal): Likewise.
2273 * genconfig.c (fatal): Likewise.
2275 * genemit.c (fatal): Likewise.
2277 * genextract.c (fatal): Likewise.
2279 * genflags.c (fatal): Likewise.
2281 * genopinit.c (fatal): Likewise.
2283 * genoutput.c (fatal): Likewise.
2286 * genpeep.c (fatal): Likewise.
2288 * genrecog.c (fatal): Likewise.
2290 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2291 deciding whether to declare `tree_node' and `rtx_def'.
2293 * hash.h: Don't define stuff we get from gansidecl.h.
2295 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2296 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2297 whether to use ANSI variable args.
2300 * prefix.c (concat): Likewise.
2304 * system.h: Likewise.
2306 * toplev.c (error_with_file_and_line): Likewise.
2307 (error_with_decl): Likewise.
2308 (error_for_asm): Likewise.
2311 (warning_with_file_and_line): Likewise.
2312 (warning_with_decl): Likewise.
2313 (warning_for_asm): Likewise.
2314 (warning): Likewise.
2315 (pedwarn): Likewise.
2316 (pedwarn_with_decl): Likewise.
2317 (pedwarn_with_file_and_line): Likewise.
2319 (really_sorry): Likewise.
2321 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2322 whether to declare `tree_node' and `rtx_def'.
2324 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2325 deciding whether to use ANSI variable args.
2326 (build_nt): Likewise.
2327 (build_parse_node): Likewise.
2329 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2331 * version.c: Bump for snapshot.
2333 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2335 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2337 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2339 * collect2.c (main, case 'b'): Use else if.
2341 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2343 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2344 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2345 before the config/ directory headers.
2346 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2347 gansidecl.h in the list of dependencies.
2349 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2350 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2351 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2352 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2353 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2354 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2357 * cccp.c: Don't include gansidecl.h.
2359 * collect2.c: Likewise.
2360 * config/c4x/c4x.c: Likewise.
2361 * config/v850/v850.h: Likewise.
2362 * cppalloc.c: Likewise.
2363 * cpperror.c: Likewise.
2364 * cppexp.c: Likewise.
2365 * cppfiles.c: Likewise.
2366 * cpphash.c: Likewise.
2367 * cpplib.c: Likewise.
2368 * cppmain.c: Likewise.
2369 * cppulp.c: Likewise.
2370 * demangle.h: Likewise.
2371 * doprint.c: Likewise.
2372 * dyn-string.c: Likewise.
2373 * eh-common.h: Likewise.
2374 * fix-header.c: Likewise.
2375 * frame.c: Likewise.
2378 * gen-protos.c: Likewise.
2379 * gencheck.c: Likewise.
2380 * halfpic.h: Likewise.
2382 * machmode.h: Likewise.
2383 * mbchar.c: Likewise.
2384 * prefix.c: Likewise.
2385 * protoize.c: Likewise.
2386 * recog.h: Likewise.
2388 * scan-decls.c: Likewise.
2390 * varray.h: Likewise.
2392 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2394 * i386.md (call_value_pop): If we're not popping anything,
2395 defer to call_value.
2396 (call_pop): Likewise defer to call.
2398 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2400 * function.c (purge_addressof): Clear purge_addressof_replacements
2401 only after processing the whole function.
2403 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2405 * reload1.c (reload): If we can not perform a particular elimination
2406 when we thought we could earlier, then we must always iterate through
2407 the loop at least one more time.
2409 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2411 * alpha.c (add_operand): Simplify the CONST_INT match.
2412 (sext_add_operand): Correct typo in comparison by using
2413 CONST_OK_FOR_LETTER_P.
2414 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2415 constant alternatives to be generated.
2416 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2417 small constants, since the hw instructions do.
2419 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2421 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2422 previous insn to store directly into our reload register, make sure
2423 that if the source of the previous insn is a reload register, its
2424 spill_reg_store and spill_reg_stored_to values are cleared.
2426 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2428 * rs6000.md (floatunssidf2_internal splitter): Use base register
2429 operand, not hard-coded SP.
2431 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2433 * jump.c (calculate_can_reach_end): Fix thinko.
2435 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2437 * reorg.c (fill_simple_delay_slots): Fix typo.
2439 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2441 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2443 * i386.md (extendsidi2): Use # in the output template.
2444 (extendsidi splitters): New splitters.
2446 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2448 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2450 * configure: Regenerate.
2452 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2454 * jump.c (init_label_info, delete_barrier_successors,
2455 mark_all_labels, delete_unreferenced_labels,
2456 delete_noop_moves, calculate_can_reach_end): New functions broken
2457 out of jump_optimize.
2458 (jump_optimize): Use them.
2460 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2462 * except.c (expand_fixup_region_end): Make sure outer context labels
2463 are not issued in an inner context during cleanups.
2465 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2467 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2470 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2472 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2473 to expose this midpoint to CSE.
2475 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2477 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2479 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2481 * configure.in: Bring over gcc2 change of Nov 19 1997.
2483 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2485 * toplev.c (output_lang_identify): Make definition dependent on
2486 ASM_IDENTIFY_LANGUAGE.
2488 * print-rtl.c (spaces): Make static.
2490 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2492 * extend.texi: Clarify proper uses for register clobbers in asms.
2494 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2496 * recog.h (enum op_type): Define.
2497 (constrain_operands): Adjust prototype.
2498 (recog_op_type): Declare new variable.
2499 * recog.c (recog_op_type): New variable.
2500 (insn_invalid_p): Allow modifying an asm statement after reload.
2501 (extract_insn): Set up recog_op_type.
2502 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2503 Don't compute operand types, use recog_op_type.
2504 Use the information computed by extract_insn instead of the previous
2505 method of finding it by insn code number.
2506 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2507 * reorg.c (fill_slots_from_thread): Likewise.
2508 * reload1.c (reload_as_needed): Likewise.
2509 (gen_reload): Likewise.
2510 (inc_for_reload): Likewise.
2511 (reload_cse_simplify_operands): Likewise.
2512 Use the information computed by extract_insn instead of the previous
2513 method of finding it by insn code number.
2514 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2516 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2517 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2518 Use the information computed by extract_insn instead of the previous
2519 method of finding it by insn code number.
2520 * regmove.c (find_matches): Likewise. Change meaning of the return
2521 value to be nonzero if the optimization can be performed, zero if
2522 not. All callers changed.
2523 Shorten some variable names to fix formatting problems.
2524 (regmove_optimize): Shorten some variable names to fix formatting
2526 Use the information computed by extract_insn instead of the previous
2527 method of finding it by insn code number.
2528 * regclass.c (scan_one_insn): Likewise.
2529 (record_reg_classes): Don't compute operand types, use recog_op_type.
2530 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2531 recog_constraints instead.
2533 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2535 * rtl.h (flow2_completed): Declare.
2536 * flow.c (flow2_completed): Definition.
2537 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2540 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2542 * Makefile.in (libcpp.a): Ranlib libcpp.a
2544 * cppulp.c (user_label_prefix): Initialize.
2546 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2548 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2549 at a RETURN if current_function_sp_is_unchanging is set.
2551 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2553 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2555 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2557 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2558 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2559 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2560 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2561 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2562 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2564 (LIB_SPEC): Handle -mno-cyginw option.
2565 (LINK_SPEC): Handle -mdll.
2567 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2569 * reload.c (find_reloads): Fix test for usage by other reload
2570 to handle secondary reloads properly.
2572 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2574 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2575 intermediate structure which has exactly the members provided by
2576 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2577 static intermediate structure.
2579 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2580 from the intermediate structure. Do the same analogous fix in
2581 the case where ELIMINABLE_REGS is not defined.
2583 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2585 * pa.h (SELECT_SECTION): Fix thinko.
2587 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2589 * dwarf2out.c (output_call_frame_info): Comments on last change.
2591 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2593 * arm.c (add_constant): When taking the address of an item in the
2594 pool, get the mode of the item addressed.
2596 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2597 contain a SET or a PARALLEL, don't consider it for conditional
2600 Restore ABI compatibility for NetBSD.
2601 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2603 (RETURN_IN_MEMORY): Likewise.
2605 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2607 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2608 (m32r_output_block_move): Rewrite bytes < 4 handling.
2610 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2612 * configure.in: Call AC_FUNC_VFORK.
2614 * collect2.c: Define VFORK_STRING as a printable string for
2615 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2616 defined, include vfork.h. If VMS is defined, define vfork()
2617 appropriately. Remove vfork check on USG, we're using autoconf.
2618 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2619 checking locally what string to pass.
2620 (scan_prog_file): Likewise.
2621 (scan_libraries): Likewise.
2623 * gcc.c: Remove vfork check on USG, we're using autoconf.
2624 Besides, no calls to vfork/fork occur in this file.
2626 * protoize.c: Likewise.
2628 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2630 * configure.in (DEFAULT_LINKER): renamed from LD
2631 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2632 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2633 * configure: rebuilt
2635 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2637 * BUGS: fix the regexp for `more' to find the appropriate node.
2638 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2640 * BUGS: added link to the WWW FAQ
2642 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2644 * version.c: Bump for snapshot.
2646 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2648 * From Christian Gafton:
2649 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2650 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2651 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2653 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2655 * c-common.c (c_get_alias_set): Allow all type-punning through
2656 unions. Don't get confused about the type of a bit-field, despite
2657 the antics of build_modify_expr.
2659 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2661 * fixinc.sco: Paramaterize #include_next values.
2662 * fixinc/fixinc.sco: Likewise.
2664 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2666 * toplev.c (rest_of_compilation): No longer set reload_completed.
2667 * reload1.c (reload): Set it here. Perform instruction splitting
2668 after reload has completed if we will be running the scheduler
2671 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2673 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2674 EH region if exceptions are enabled and we're performing cross
2676 (find_cross_jump): Exit loop if the insns are in different EH regions.
2678 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2680 * dwarf2out.c (output_call_frame_info): Use
2681 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2683 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2685 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2686 * c-common.c (check_format_info): Don't check for the 'x'
2687 format character twice, instead check for 'x' and 'X'
2689 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2691 * configure.in (assembler features): Also make gas is configured if
2692 we find it in the souce tree.
2694 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2696 * i386.c (i386_comp_type_attributes): Compare whether the
2697 attributes are defined, not their tree nodes.
2699 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2701 * configure.in (gxx_include_dir): bitten by autoconf quoting
2703 * configure: rebuilt
2705 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2707 * configure.in: Ignore non-absolute value in $AS.
2709 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2711 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2713 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2715 * configure.in (msdosdjgpp): Set exeext and target_alias.
2717 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2719 * flow.c (XNMALLOC): New macro.
2720 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2722 (add_edge, add_edge_to_label): New static functions.
2723 (free_bb_memory): New function.
2724 (flow_delete_insn): Delete function.
2725 (basic_block_drops_in): Delete variable.
2726 (find_basic_blocks): Allocate and initialize basic_block_head,
2727 basic_block_succ. Don't allocate basic_block_drops_in.
2728 Call free_bb_memory at the beginning.
2729 (find_basic_blocks_1): Don't do multiple passes.
2730 Delete code to compute basic_block_drops_in.
2731 After calling make_edges, mark blocks reached by current block live.
2732 Update test for unreachable live blocks.
2733 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2735 Simplify to call add_edge_to_label when a LABEL_REF is found.
2736 (make_edges): Simplify to call add_edge_to_label instead of
2737 mark_label_ref most of the time.
2738 Compute here whether control drops into the next block.
2739 (delete_unreachable_blocks): Return void. All callers changed.
2740 Delete unreachable blocks in reverse order.
2741 After deleting all unreachable blocks, renumber the remaining ones
2742 and update n_basic_blocks.
2743 (delete_block): Speed up deletion a bit.
2744 Don't set basic_block_drops_in for deleted blocks.
2745 (free_basic_block_vars): Don't free basic_block_drops_in.
2746 (life_analysis_1): Update to use new edge representation.
2747 (dump_flow_info): Delete code to print basic block info; call
2748 dump_bb_data instead.
2749 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2750 and uid_block_number.
2751 Simply copy the previously computed cfg.
2752 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2753 Print register lifetime information if LIVE_INFO is nonzero.
2754 * basic-block.h (dump_bb_data): Adjust prototype.
2755 * gcse.c (gcse_main): Update call to dump_bb_data.
2756 * rtl.h (free_bb_memory): Declare.
2757 * toplev.c (rest_of_compilation): Call free_bb_memory.
2759 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2760 (update_eliminable_offsets): Don't compute it.
2761 (set_initial_elim_offsets): Don't initialize it.
2762 Break out some code into set_initial_label_offsets so the rest of
2763 this function can be called from reload_as_needed.
2764 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2765 ELIMINABLE_REGS isn't.
2766 (set_initial_label_offsets): New function, broken out of
2767 set_initial_elim_offsets.
2768 (set_offsets_for_label): New function, broken out of set_label_offsets
2769 and reload_as_needed.
2770 (reload): Call the two new functions.
2771 (reload_as_needed): Call set_initial_elim_offsets instead of
2772 duplicating the code. Likewise for set_offsets_for_label.
2774 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2775 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2776 any hard reg, reg_reloaded_dead contains valid data.
2778 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2780 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2781 "stdcall" and "cdecl" attributes.
2783 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2785 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2786 handle deleted no-op moves of hard registers.
2787 * haifa-sched.c (update_flow_info): Likewise.
2789 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2791 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2792 of the sequences to reload the HILO register which do not actually
2795 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2797 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2799 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2801 * except.c (emit_eh_context): Make the EH context register stay alive
2802 at -O0 so stupid.c doesn't get confused.
2804 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2806 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2808 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2809 Jeffrey A Law (law@cygnus.com)
2811 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2812 (zero_extendsidi2): Use # in output template and handle completely by
2814 (zero_extend splitters): New define_splits.
2815 (ashiftrt_32): New pattern.
2817 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2819 * tree.c (append_random_chars): New fn.
2820 (get_file_function_name_long): Use it.
2822 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2824 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2825 (LIBCPP_OBJS): New. Add cppulp.o.
2826 (cppmain, fix-header): Depend on and use libcpp.a.
2827 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2828 of the individual object files.
2829 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2832 * cccp.c (user_label_prefix): New.
2833 (main): Set it off -f*leading-underscore.
2834 (special_symbol): Use it.
2835 * cpplib.c (special_symbol): Likewise.
2836 (cpp_handle_option): Handle -f*leading-underscore.
2837 * cppulp.c: New file.
2839 * output.h (user_label_prefix): Declare it.
2840 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2841 * toplev.c (f_options, main): Handle -f*leading-underscore.
2843 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2844 referencing USER_LABEL_PREFIX directly.
2845 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2846 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2847 * final.c (asm_fprintf): Use user_label_prefix instead.
2848 * arm/thumb.c (thumb_print_operand): Likewise.
2850 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2851 cpp wherever appropriate.
2853 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2855 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2856 specific compiler switches.
2858 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2860 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2863 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2865 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2866 structure which has exactly the members provided by EXTRA_SPECS.
2867 Xmalloc() the real `extra_specs', and initialize it from this
2868 intermediate structure.
2870 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2872 * mips.h (EXTRA_SPECS): Likewise.
2874 * sparc.h (EXTRA_SPECS): Likewise.
2876 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2878 * function.c (purge_addressof_1): Instead of aborting when a
2879 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2880 work just put the ADDRESSOF on stack. Otherwise remember all such
2881 successfull replacements, so that exactly the same replacements
2882 can be made on the REG_NOTEs. Remove the special case for CALL
2884 (purge_addressof_replacements): New variable.
2885 (purge_addressof): Clear it at end.
2887 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2889 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2890 (lang_init): Call check_newline always.
2891 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2892 cpp_start_read, set yy_cur and yy_lim to read from
2893 parse_in.token_buffer, so that we'll see the first #line
2895 * cpplib.c (cpp_start_read): finclude the main input file
2896 before processing -include/-imacros. Process -imacros and
2897 -include separately, and handle -include by stacking a
2898 buffer for the file in question as if it'd been #included.
2899 * toplev.c (documented_lang_options) Recognize -H when
2902 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2904 * cpplib.c: Merge do_once into do_pragma. Break file handling
2905 code out of do_include.
2906 Move append_include_chain, deps_output,
2907 file_cleanup, redundant_include_p, import_hash,
2908 lookup_import, add_import, read_filename_string, read_name_map,
2909 open_include_file, finclude, safe_read to cppfiles.c.
2910 Move prototypes for deps_output, append_include_chain,
2911 finclude to cpplib.h. Move definition of struct
2912 file_name_list there also.
2914 * cppfiles.c: New file. Contains all the above functions
2915 broken out of cpplib.c; also hack_vms_include_specification
2916 from cccp.c and find_include_file, a new function broken out of
2919 * Makefile.in (cppmain): Depend on cppfiles.o.
2920 (fix-header): Likewise.
2921 (cppfiles.o): New target.
2922 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2923 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2925 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2927 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2928 if pending_types is non-zero.
2929 (dwarfout_finish): Verify pending_types is zero before finishing.
2931 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2933 * expr.c (convert_move): Use shifts to perform the move if a
2934 suitable extend pattern cannot be found. Code written by
2935 Richard Henderson <rth@cygnus.com>.
2937 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2939 * regclass.c (renumber, regno_allocated): New static variables, moved
2940 out of allocate_reg_info.
2941 (allocate_reg_info): Move these two variables outside the function.
2942 Move code to free memory into new function free_reg_info.
2943 (free_reg_info): New function, broken out of allocate_reg_info.
2944 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2945 * rtl.h (allocate_reg_info): Don't declare.
2946 (free_reg_info): Declare.
2948 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2950 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2952 * toplev.c (compile_file): Temporarily revert last change.
2954 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2956 * c-typeck.c (convert_for_assignment): Parenthesize.
2958 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2960 * reload1.c (delete_output_reload): Avoid ambigous else.
2962 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2964 * toplev.c (compile_file): Call allocate_reg_info to free register
2966 * rtl.h (allocate_reg_info): Declare.
2968 * PROJECTS: Remove entry for local spilling.
2970 * final.c (cleanup_subreg_operands): New function.
2971 (final_scan_insn): Use it.
2972 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2974 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2975 operands when reload has finished.
2976 * reload.h (cleanup_subreg_operands): Declare..
2977 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2978 reload. Handled in reload itself.
2980 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2982 * reload1.c (verify_initial_offsets): New function.
2983 (reload): Call it after reload_as_needed. Also verify that the frame
2984 size stays constant during reload_as_needed.
2985 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2987 * reload.h (struct insn_chain): Add need_operand_change element.
2988 * reload1.c (new_insn_chain): Clear it.
2989 (calculate_needs_all_insns): Set it; don't overload need_reload.
2990 (reload_as_needed): Use it.
2992 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2993 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2994 and reload_address_index_reg_class.
2995 (find_reloads_address_1): Likewise.
2996 * reload.h (reload_address_base_reg_class,
2997 reload_address_index_reg_class): Don't declare.
2998 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2999 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3000 (used_spill_regs): Now static.
3001 (reload_address_base_reg_class, reload_address_index_reg_class,
3002 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3003 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3004 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3007 (init_reload): Delete code to compute base/index reg classes.
3008 (reload): Delete variable J.
3009 Delete code to manage basic_block_needs.
3010 Don't compute regs_explicitly_used.
3011 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3012 pseudo_previous_regs.
3013 Initialize bad_spill_regs_global.
3014 Don't call order_regs_for_reload here.
3015 Don't initialize spill_reg_order and n_spills.
3016 Don't forbid explicitly used regs to be used for spill regs.
3017 Change main loop to infinite loop, with explicit break statements.
3018 Make SOMETHING_CHANGED variable local to that loop.
3019 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3020 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3021 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3023 Don't call dump_needs.
3024 Delete code to reset potential_reload_regs.
3025 Delete code to terminate loop conditional on the global needs variables
3026 showing no further needs.
3027 (calculate_needs_all_insns): Return void. All callers changed.
3028 Initialize somehing_needs_elimination here, not in reload.
3029 Delete avoid_return_reg kludge.
3030 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3031 All callers changed.
3032 Initialize the group_mode and group_size elements of the arg CHAIN.
3033 Delete code to manage basic_block_needs.
3034 Operate on elements of CHAIN instead of global variables.
3035 Delete avoid_return_reg kludge.
3036 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3037 All callers changed.
3038 Operate on elements of CHAIN instead of global variables.
3039 Delete special SMALL_REGISTER_CLASSES code.
3040 Delete spill_failure code; now in new_spill_reg.
3041 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3042 All callers changed.
3043 Operate on elements of CHAIN instead of global variables.
3044 (maybe_mark_pseudo_spilled): New static function.
3045 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3046 All callers changed.
3047 Operate on elements of CHAIN instead of global variables.
3048 Call order_regs_for_reload here, not in reload.
3049 Initialize spill_reg_order and n_spills.
3050 Simplify test whether an asm insn is involved.
3051 Delete spill_failure code; now in new_spill_reg.
3052 Call maybe_mark_pseudo_spilled for everything marked as live in
3053 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3055 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3056 compiler from optimizing this function (now unused) away.
3057 Operate on elements of CHAIN instead of global variables.
3058 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3060 Operate on elements of CHAIN instead of global variables.
3061 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3062 take CHAIN arg. All callers changed.
3063 Operate on elements of CHAIN instead of global variables.
3064 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3065 CHAIN, NONGROUP args. Return void. All callers changed.
3066 Verify caller isn't trying to spill a pseudo.
3067 Simplify test for illegal reg, just use bad_spill_regs.
3068 Generate better error messages.
3069 Operate on elements of CHAIN instead of global variables.
3070 Mark spilled register in CHAIN's used_spill_regs element.
3071 Don't call spill_hard_reg.
3072 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3073 Mark spilled hard regs in bad_spill_regs_global.
3074 Mark affected pseudos in spilled_pseudos, but don't spill them.
3075 (ior_hard_reg_set): New static function.
3076 (finish_spills): Return int. All callers changed.
3077 Compute spill_reg_order, n_spills and spill_regs here. Also update
3078 regs_ever_live for regs used as spills.
3079 For every pseudo in spilled_pseudos, spill it and mark the previous
3080 hard reg it had in pseudo_previous_regs. Compute which hard regs
3081 arseudo): New static function.
3082 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3083 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3084 hard registers explicitly used across the current insn into the set.
3085 Compute hard_reg_n_uses taking only pseudos live across this insn
3087 Tweak sorting of potential_reload_regs.
3088 (compare_spill_regs): Delete function.
3089 (reload_as_needed): Don't sort the spill_regs array, it's computed
3090 in proper order in finish_spills.
3091 Delete avoid_return_reg kludge.
3092 Delete code to manage basic_block_needs.
3093 (allocate_reload_reg): Minor speed/readability tweaks.
3094 Operate on elements of CHAIN instead of global variables.
3095 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3096 Delete avoid_return_reg kludge.
3097 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3098 Delete unused label FAIL.
3099 (reload_combine): Replce reload_address_index_reg_class with
3101 Don't use used_spill_regs to determine information about lifetime of
3104 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3106 * toplev.c (display_help): Ignore empty target specific
3107 options, and if -W is also specified on the command line then
3108 display undocumented options.
3110 * config/arm/arm.c: Updated with changes in devo sources.
3111 * config/arm/arm.h: Updated with changes in devo sources.
3112 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3113 * config/arm/lib1thumb.asm: Add ELF support.
3115 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3117 * collect2.c (aix64_flag): New variable.
3118 (main, case 'b'): Parse it.
3119 (GCC_CHECK_HDR): object magic number must match mode.
3120 (scan_prog_file): Only check for shared object if valid header.
3121 Print debugging if header/mode mismatch.
3123 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3125 Added support for arm-elf-linux configuration, submitted by Philip
3126 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3127 code developed by Catherine Moore <clm@cygnus.com>. The following
3130 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3133 * configure: Regenerated.
3135 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3136 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3137 definitions conditional on their not having been already defined.
3139 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3140 and .type directives, and add "(PLT)" qualification to function
3143 * config/arm/linux.h: Deleted. This file is now superceeded by
3144 either linux-elf.h or linux-aout.h.
3146 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3147 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3149 Move definitions from old linux.h file here.
3151 * config/arm/elf.h: New file. Generic ARM/ELF support.
3153 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3155 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3157 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3158 using the 26bit APCS.
3160 * config/arm/unknown-elf.h: New file. Support for OS'es other
3161 than Linux with ELF.
3163 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3166 * config/arm/coff.h: Include aout.h for basic assembler macros.
3167 Add support for -mstructure_size_boundary=<n> command line option.
3169 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3170 command line option. Make macro definitions conditional on their
3171 not having been already defined.
3173 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3174 command line option.
3177 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3179 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3180 has been changed to not include a newline. Use this macro instead.
3181 (output_enumeral_list, const_value_attribute, name_attribute,
3182 comp_dir_attribute, prototyped_attribute, producer_attribute,
3183 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3184 dwarfout_file_scope_decl, generate_new_sfname_entry,
3185 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3186 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3188 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3190 * combine.c (subst): Process the inputs to a parallel asm_operands
3193 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3195 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3197 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3199 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3201 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3203 * version.c: Bump for snapshot.
3205 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3207 * stmt.c (expand_fixup): Set fixup->before_jump to a
3208 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3210 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3212 * Makefile.in (recog.o): Depend on toplev.h.
3213 (insn-emit.o): Depend on recog.h.
3214 (insn-peep.o): Depend on recog.h and insn-config.h.
3216 * combine.c (simplify_set): Remove unused variable `scratches'.
3218 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3219 and `idx' in macro conditional controlling their use.
3221 * genemit.c (main): Make the generated output file include
3222 recog.h. Don't have it declare `insn_operand_constraint', since
3223 we get it from recog.h.
3225 * genpeep.c (main): Make the generated output file include
3226 insn-config.h and recog.h.
3228 * recog.c: Include toplev.h.
3229 (extract_insn): Remove unused variable `p'.
3231 * regclass.c (fix_register): Add missing braces around initializer
3233 (allocate_reg_info): Move variable `i' into the scope where it is
3234 used. Change its type to `size_t'.
3236 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3238 * reload.c (push_reload): When merging reloads, make sure
3239 that reload_in_reg and reload_in are from the same reload in
3242 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3244 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3245 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3247 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3249 * loop.c (loop_has_tablejump): New variable.
3250 (prescan_loop): Scan for it.
3251 (insert_bct): Replace explicit scan with use of it.
3252 * regclass.c (regclass): Restore loop variable j.
3253 (record_reg_classes): Deterine op_types modifiers and initialize
3254 classes[i] before matching constraints. Handle matching
3257 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3259 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3262 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3264 * mips.h (EXTRA_SPECS): Add missing initializers.
3266 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3268 * sparc.h (EXTRA_SPECS): Add missing initializers.
3269 (sparc_defer_case_vector): Provide a prototype.
3271 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3272 comparing it to the result of a pointer subtraction.
3274 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3276 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3277 the argument to (unsigned char).
3279 * alpha.h (EXTRA_SPECS): Add missing initializers.
3280 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3283 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3285 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3286 (propagate_block): Delete dead code after reload.
3288 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3289 back Oct 15, 1998 change.
3290 * haifa-sched.c (update_flow_info): Likewise.
3291 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3293 * mn10200.md (truncated shift): Accept constant inputs too.
3295 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3297 * machmode.h (mode_mask_array): No longer const.
3298 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3300 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3302 * frame.c: Somewhat explain `FDE'.
3303 Suggested by Brendan Kehoe
3305 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3307 * expr.c (pending_chain): Move up.
3308 (save_expr_status): Do save pending_chain.
3309 (restore_expr_status): And restore it.
3310 * function.h (struct function): Add pending_chain.
3312 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3314 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3315 did not match the code.
3317 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3319 * regclass.c (regclass): Break out some code into new function
3320 scan_one_insn, and into regclass_init.
3321 (init_cost): New static variable, moved out of regclass.
3322 (regclass_init): Initialize it here, not in .
3323 (scan_one_insn): New static function, broken out of regclass.
3324 * recog.c (apply_change_group): Break out some code into new
3325 function insn_invalid_p.
3326 (insn_invalid_p): New static fn, broken out of apply_change_group.
3328 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3330 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3331 reg_reloaded_contents matches incremented pseudo.
3333 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3335 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3337 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3338 addressing modes with side effects. These are currently
3339 placeholders for the C4x target.
3341 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3343 * loop.c (express_from): Make sure that when generating a PLUS of
3344 a PLUS, any constant expression appears on the outermost PLUS.
3346 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3348 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3349 works if "$(srcdir)" != ".".
3351 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3353 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3354 existing SUBREG if we can, otherwise abort.
3356 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3358 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3359 `restrict' is applied to a non-pointer variable.
3361 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3363 * invoke.texi: Document -flang-isoc9x.
3365 * Makefile.in (OBJS): Add splay-tree.o.
3366 (c-common.o): Depend on rtl.h.
3367 (splay-tree.o): List dependencies and provide build rule.
3369 * rtl.h (record_alias_subset): New function.
3370 * alias.c: Include splay-tree.h.
3371 (alias_set_entry): New type.
3372 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3373 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3374 (mems_in_disjoin_alias_sets_p): New function.
3375 (alias_set_compare): Likewise.
3376 (insert_subset_children): Likewise.
3377 (get_alias_set_entry): Likewise.
3379 * tree.h (TYPE_RESTRICT): New macro.
3380 (TYPE_UNQUALIFIED): New manifest constant.
3381 (TYPE_QUAL_CONST): Likewise
3382 (TYPE_QUAL_VOLATILE): Likewise.
3383 (TYPE_QUAL_RESTRICT): Likewise.
3384 (tree_type): Add restrict_flag. Reduce count of free bits.
3385 (DECL_POINTER_ALIAS_SET): New macro.
3386 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3387 (tree_decl): Add pointer_alias_set.
3388 (build_qualified_type): New function.
3389 (build_type_variant): Define in terms of build_qualified_type.
3390 * tree.c (set_type_quals): New function.
3391 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3392 (build_type_attribute_variant): Use build_qualified_type and
3394 (build_type_variant): Rename, and modify, to become...
3395 (build_qualified_type): New function.
3396 (build_complex_type): Use set_type_quals.
3398 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3399 (C_TYPE_FUNCTION_P): Likewise.
3400 (C_TYPE_INCOMPLETE_P): Likewise.
3401 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3402 (c_apply_type_quals_to_decl): New function.
3403 (c_build_qualified_type): New function.
3404 (c_build_type_variant): Define in terms of c_build_qualified_type.
3405 (flag_isoc9x): Declare.
3406 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3407 (common_type): Change to use TYPE_QUALS.
3408 (comptypes): Likewise.
3409 (convert_for_assignment): Likewise.
3410 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3411 * c-decl.c (flag_isoc9x): Define.
3412 (c_decode_option): Handle -flang-isoc9x.
3413 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3414 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3415 * c-lex.c (init_lex): Deal with restrict.
3416 (init_lex): Don't treat restrict as a reserved word in
3417 -traditional mode, or without -flang-isoc9x.
3418 * c-lex.h (rid): Add RID_RESTRICT.
3419 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3420 equivalent to RID_RESTRICT.
3421 * c-parse.in (TYPE_QUAL): Update comment.
3422 * c-common.c: Include rtl.h.
3423 (c_find_base_decl): New function.
3424 (c_build_type_variant): Rename, and modify, to become ...
3425 (c_build_qualified_type): New function.
3426 (c_apply_type_quals_to_decl): Likewise.
3427 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3428 a particular alias set for the reference.
3429 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3431 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3433 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3434 command line switches.
3436 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3438 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3441 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3443 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3445 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3447 * regclass.c (fix_register): Add error message.
3448 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3451 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3453 * c-decl.c (warn_missing_noreturn): New global variable.
3454 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3455 (finish_function): Implement missing noreturn warning.
3457 * c-tree.h (warn_missing_noreturn): Declare extern.
3459 * invoke.texi: Document new flags.
3461 * toplev.c (documented_lang_options): Add description.
3463 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3465 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3466 loop optimization stable for the C4x.
3467 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3468 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3469 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3471 (c4x_address_conflict): Be more paranoid when packing a volatile
3472 memref in a parallel load/store.
3474 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3476 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3477 repeat_block_filler): Deleted.
3478 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3479 Condition code not set if destination register from 'c' class.
3480 (*subbqi3_carry_clobber): Fix typo.
3482 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3484 * reorg.c (steal_delay_list_from_target) Check for insns that
3485 modify the condition codes and effect the direction of the jump
3488 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3490 * function.c (purge_addressof_1): Replace call to
3491 emit_insns_before() with emit_insn_before().
3493 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3495 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3497 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3499 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3501 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3503 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3504 clobbered across calls.
3506 * loop.c (scan_loop): Be more selective about what invariants are
3507 moved out of a loop.
3509 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3511 * version.c: Bump for snapshot.
3513 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3515 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3516 static eh_context structure.
3518 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3520 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3522 (try_combine): Don't update max_scratch.
3523 * flow.c (max_scratch, num_scratch): Delete variables.
3524 (life_analysis_1): Don't initialize max_scratch.
3525 (propagate_block): Don't update max_scratch.
3526 (mark_set_1): Don't increment num_scratch.
3527 * regs.h (max_scratch): Delete declaration.
3529 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3531 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3532 is nonzero. This is temporary!
3534 * sched.c (update_flow_info): Handle death notes made invalid by
3535 instruction splitting. Partially reverts Oct 15, 1998 patch.
3536 * haifa-sched.c (update_flow_info): Likewise.
3538 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3540 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3541 if it has a nonzero DECL_INITIAL.
3543 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3545 * Makefile.in (flow.o): Depend on recog.h.
3547 * cpplib.h (directive_table): Add missing initializiers.
3548 (finclude): Change type of variable `bsize' to size_t.
3550 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3552 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3554 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3555 `int' when comparing against one.
3556 (cpp_file_line_for_message): Mark parameter `pfile' with
3558 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3560 * flow.c: Include recog.h.
3561 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3563 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3564 `f' with ATTRIBUTE_UNUSED.
3565 (reposition_prologue_and_epilogue_notes): Likewise.
3567 * genopinit.c (gen_insn): Cast argument of ctype functions to
3570 * haifa-sched.c: Include recog.h.
3571 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3572 comparing against one.
3574 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3576 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3578 (parse_ent): Likewise.
3579 (parse_input): Likewise.
3581 * optabs.c (init_libfuncs): Likewise.
3583 * protoize.c (find_rightmost_formals_list): Likewise.
3585 * recog.h (const_double_operand): Fix typo in prototype.
3587 * tlink.c (scan_linker_output): Cast the argument of ctype
3588 function to `unsigned char'.
3590 * toplev.c (check_lang_option): Cast the result of `strlen' to
3591 `int' when comparing against one.
3593 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3595 * gcse.c (dump_cuid_table): Correct typo.
3597 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3599 * toplev.c (display_help): Prepend '-m' to target specific
3601 (check_lang_option): Ignore text after end of first word of a
3602 language specific option.
3604 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3606 * reload1.c (reg_used_by_pseudo): New static variable.
3607 (choose_reload_regs): Initialize it.
3608 Use it instead of testing spill_reg_order to determine whether a
3609 pseudo is live in a hard register across the current insn.
3610 Fix a typo in a reference to reload_reg_rtx.
3612 * flow.c (propagate_block): Replace code that computes and uses
3613 regs_sometimes_live with simpler code that just walks the set of
3614 currently live registers.
3616 * Makefile.in (insn-extract.o): Fix dependencies.
3617 * genextract.c (main): Generate includes for insn-config.h and
3619 Delete generation of declarations which are now in recog.h.
3620 * genrecog.c (main): Delete generation of definitions which are
3622 * local-alloc.c (block_alloc): Use extract_insn and the variables
3623 it sets up instead of looking up values by insn_code.
3624 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3625 recog_dup_num): Define here instead of generating the definition in
3627 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3628 recog_operand_mode, recog_constraints, recog_operand_address_p):
3630 (extract_insn): New function.
3631 * recog.h (extract_insn): Declare function.
3632 (which_alternative, recog_n_operands, recog_n_dups,
3633 recog_n_alternatives, recog_operand_mode, recog_constraints,
3634 recog_operand_address_p): Declare variables.
3635 * regclass.c (n_occurrences): New static function.
3636 * reload.c (n_occurrences): Delete function.
3637 (find_reloads): Use extract_insn.
3638 * reload.h (n_occurrences): Delete declaration.
3640 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3642 * reload1.c (reload_as_needed): Fix test for when to call
3643 update_eliminable_offsets.
3645 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3647 Fix consistency problems with reg_equiv_{mem,address};
3648 Improve reload inheritance;
3650 * reload.c (reload_out_reg): New variable.
3651 (loc_mentioned_in_p, remove_address_replacements): New functions.
3652 (remove_replacements): Deleted.
3653 (push_reload): Set reload_out_reg[i].
3654 When merging, also set reload_{in,out}_reg[i], and remove
3655 duplicate address reloads.
3656 (combine_reloads): Copy reload_out_reg[i].
3657 (find_reloads): Do make_memloc substitution also when
3658 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3660 Include *recog_operand_loc in commutativity operand changes.
3661 Generate optional output reloads.
3662 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3663 processing operands. Call make_memloc in reg_equiv_address code.
3664 Set *recog_operand_loc only after processing operands, and only
3665 if replace is true. Return a value.
3666 When changing address reload types for operands that didn't get
3667 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3668 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3669 Don't emit USEs for pseudo SUBREGs when not replacing.
3670 (find_reloads_address): Do make_memloc substitution also when
3671 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3673 (find_reloads_toplev): Likewise.
3674 Call make_memloc in reg_equiv_address code.
3675 (debug_reload_to_stream): Add code to output reload_out_reg.
3676 (make_memloc): Delete local variable i, ifdefed out code, and
3677 references to memlocs and n_memlocs.
3678 (memlocs, n_memlocs): Delete.
3679 (push_secondary_reload): Clear reload_out_reg.
3680 (find_reloads_address_1): Provide memrefloc argument to all calls
3681 to find_reloads_address.
3682 In AUTO_INC code, handle non-directly addressable equivalences properly.
3683 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3684 (find_reloads): Add return type.
3685 (remove_address_replacements, deallocate_reload_reg): Declare.
3686 * reload1.c (num_not_at_initial_offset): No longer static.
3687 (delete_address_reloads, delete_address_reloads_1): Likewise.
3688 (deallocate_reload_reg): New function.
3689 (spill_reg_stored_to): New array.
3690 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3691 (eliminate_regs_in_insn): Move assignments of previous_offset and
3692 max_offset fields, and recalculation of num_not_at_initial_offset
3693 into new static function:
3694 (update_eliminable_offsets) .
3695 (reload_as_needed): Call update_eliminable_offsetss after calling
3697 Call forget_old_reloads_1 with contents of reloaded auto_inc
3698 expressions if the actual addressing can't be changed to match the
3700 (choose_reload_regs): For inheritance, replace
3701 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3702 remove stand-alone reload_reg_used_at_all test.
3703 Use reload_out_reg to determine which reload regs have output reloads.
3704 Treat reload_override_in more similar to inherited reloads.
3705 Handle (subreg (reg... for inheritance.
3706 For flag_expensive_optimizations, add an extra pass to remove
3707 unnecessary reloads from known working inheritance.
3708 Delete obsolete code for pseudos replaced with MEMs.
3709 Handle inheritance from auto_inc expressions.
3710 (emit_reload_insns): If reload_in is a MEM, set OLD to
3712 Don't reload directly from oldequiv; if it's a pseudo with a
3713 stack slot, use reload_in[j].
3714 Check that reload_in_reg[j] is a MEM before replacing reload_in
3715 from reg_reloaded_contents.
3716 Include non-spill registers in reload inheritance processing.
3717 Also try to use reload_out_reg to set spill_reg_store /
3718 reg_last_reload_reg.
3719 In code to set new_spill_reg_store, use single_set to find out if
3720 there is a single set.
3721 Add code that allows to delete optional output reloads.
3722 Add code to allow deletion of output reloads that use no spill reg.
3723 At the end, set reload_override_in to oldequiv.
3724 Also call delete_output_reload if reload_out_reg is equal to old
3726 Add code to call delete_output_reload for stores with no matching load.
3727 Set / use spill_reg_stored_to.
3728 Handle case where secondary output reload uses a temporary, but
3729 actual store isn't found.
3730 When looking for a store of a value not loaded in order to call
3731 delete_output_reload, count_occurences should return 0 for no
3732 loads; but discount inherited input reloadill_reg_stored_to.
3733 Do checks for extra uses of REG. Changed all
3735 Use delete_address_reloads.
3736 (reload): Take return value of find_reloads into account.
3737 If a no-op set needs more than one reload, delete it.
3738 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3739 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3740 for the same operand.
3741 (clear_reload_reg_in_use): Check for other reloads that keep a
3743 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3744 RELOAD_FOR_OPADDR_ADDR.
3745 Take into account when an address address reload is only needed
3746 for the address reload we are considering.
3747 (count_occurrences): Use rtx_equal_p for MEMs.
3748 (inc_for_reload): Return instruction that stores into RELOADREG.
3749 New argument two, IN, and rtx. Changed all callers.
3750 (calculate_needs_all_insns, reload_as_needed):
3751 Don't clear after_call for a CLOBBER.
3752 Keep track of how many hard registers need to be copied from
3753 after_call, and don't clear after_call before we have seen
3754 that much copies, or we see a different instruction.
3756 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3758 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3759 after reload has completed.
3761 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3763 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3764 a macro name and the next token with a single blank if that whitespace
3765 is in a macro buffer and the next token is not '('.
3767 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3769 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3771 (skip_if_group): Ditto.
3772 (skip_to_end_of_comment): Ditto.
3774 (discard_comments): Ditto.
3775 (change_newlines): Ditto.
3777 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3779 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3781 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3783 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3784 (TARGET_OPTIONS): Add --help documentation.
3786 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3788 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3790 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3792 * fixinc/* Moved in from ../contrib directory in preparation
3793 for integrating it into the normal build process. In particular,
3794 fixinc/Makefile.in must be config-ed into the build directory
3795 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3796 ./configure.in will be "in the mail" momentarily.
3798 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3800 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3801 accidently walk into the free list. Comment how that can happen.
3802 (invalidate): Fix indentation.
3804 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3805 Jeffrey A Law (law@cygnus.com)
3807 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3808 reload. Never perform rescans of the insn chain after reload.
3809 (propagate_block): Do not delete insn or create new autoinc addressing
3812 * jump.c (jump_optimize): Unconditionally use the code that was
3813 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3814 * reload1.c (reload): When reloading is finished, delete all
3815 REG_DEAD and REG_UNUSED notes.
3816 (emit_reload_insns): Delete all code that was conditional on
3817 PRESERVE_DEATH_INFO_REGNO_P.
3818 (no_longer_dead_regs): Delete variable.
3819 (reload_cse_delete_death_notes): Delete function.
3820 (reload_cse_no_longer_dead): Delete function.
3821 (reload_cse_regs_1): Delete all code to handle deletion of death
3823 (reload_cse_noop_set_p): Likewise.
3824 (reload_cse_simplify_set): Likewise.
3825 (reload_cse_simplify_operands): Likewise.
3826 (reload_cse_move2add): Likewise.
3827 * reorg.c (used_spill_regs): Delete declaration.
3828 (max_label_num_after_reload): Delete declaration.
3829 (find_dead_or_set_registers): Don't assume that spill regs are
3830 dead at a CODE_LABEL.
3831 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3833 * sched.c (sched_analyze_insn): Likewise.
3834 (update_flow_info): Likewise.
3835 * haifa-sched.c (sched_analyze_insn): Likewise.
3836 (update_flow_info): Likewise.
3837 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3838 * toplev.c (max_label_num_after_reload): Delete variable.
3839 (rest_of_compilation): Don't set max_label_num_after_reload.
3840 Call life_analysis after reload_cse_regs if optimizing.
3841 * config/gmicro/gmicro.h: Delete comment referring to
3842 PRESERVE_DEATH_INFO_REGNO_P.
3843 * config/i386/i386.h: Likewise.
3844 * config/m88k/m88k.h: Likewise.
3845 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3846 * config/sh/sh.h: Likewise.
3848 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3850 * loop.c (strength_reduce): Restore marking bct_p as
3852 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3853 HAVE_decrement_and_branch_on_count.
3854 (small_data_operand): Remove TARGET_ELF condition for marking
3855 parameters ATTRIBUTE_UNUSED.
3857 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3859 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3860 (SELECT_SECTION): Resync with svr4.h.
3862 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3864 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3867 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3869 * c-pragma.c (handle_pragma_token): Test for null tree before
3870 dereferencing TREE_CODE.
3872 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3874 * config/c4x/c4x.c: Convert to use GEN_INT.
3875 (c4x_parallel_process): Rework to handle new repeat loop structure.
3877 * config/c4x/c4x.md: Convert to use GEN_INT.
3878 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3879 (decrement_and_branch_on_count): Likewise.
3881 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3882 loop.c has the desired functionality.
3883 (rc_reg_operand): New prototype.
3885 * config/c4x/t-c4x: Can now build all front ends.
3887 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3889 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3891 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3893 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3894 * config/t-rtems: Do not install assert.h -- use newlib's.
3896 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3898 * combine.c (combine_instructions): When finished, call init_recog.
3899 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3901 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3903 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3905 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3907 * cppalloc.c (memory_full): Mark function prototype with
3910 * demangle.h (collect_exit): Likewise.
3912 * fix-header.c (v_fatal, fatal): Likewise.
3914 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3917 * gcov.c (print_usage): Likewise.
3919 * genattr.c (fatal, fancy_abort): Likewise.
3921 * genattrtab.c (fatal, fancy_abort): Likewise.
3923 * gencodes.c (fatal, fancy_abort): Likewise.
3925 * genconfig.c (fatal, fancy_abort): Likewise.
3927 * genemit.c (fatal, fancy_abort): Likewise.
3929 * genextract.c (fatal, fancy_abort): Likewise.
3931 * genflags.c (fatal, fancy_abort): Likewise.
3933 * genopinit.c (fatal, fancy_abort): Likewise.
3935 * genoutput.c (fatal, fancy_abort): Likewise.
3937 * genpeep.c (fatal, fancy_abort): Likewise.
3939 * genrecog.c (fatal, fancy_abort): Likewise.
3941 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3942 __sjpopnthrow, __throw): Likewise.
3944 * objc/objc-act.c (objc_fatal): Likewise.
3946 * protoize.c (usage, aux_info_corrupted,
3947 declare_source_confusing): Likewise.
3949 * rtl.c (dump_and_abort): Likewise.
3951 * rtl.h (sets_cc0_p): Likewise.
3953 * toplev.c (float_signal, pipe_closed): Likewise.
3955 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3957 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3958 when generating the decision tree for the general case.
3960 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3961 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3963 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3965 * Makefile.in (sched.o): Depend on recog.h.
3967 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3968 (unsigned) when comparing against one.
3969 (find_base_value): Likewise.
3970 (record_base_value): Cast variable `regno' to (unsigned) when
3971 comparing against one. Cast the result of REGNO() macro to
3972 (unsigned) when comparing against one.
3973 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3975 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3976 variable where an unsigned index is needed.
3978 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3979 before comparing against one.
3981 * collect2.c: Add prototypes for functions `error', `fatal' and
3982 `fatal_perror'. Make these functions take variable arguments
3983 instead of faking it with a fixed number of args.
3984 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3987 * combine.c (can_combine_p): Mark parameter `pred' with
3989 (find_split_point): Cast variable `src' to (unsigned
3990 HOST_WIDE_INT) when comparing against one.
3991 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3992 (simplify_logical): Likewise.
3993 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3994 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3995 HOST_WIDE_INT) in shift.
3996 (simplify_and_const_int): Cast result of INTVAL() macro to
3997 `unsigned HOST_WIDE_INT' when comparing against one.
3998 (merge_outer_ops): Cast variable const0 to `unsigned
3999 HOST_WIDE_INT' when comparing against the result of
4000 GET_MODE_MASK() macro.
4001 (simplify_comparison): Likewise for variable `c0'. Cast variable
4002 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4003 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4004 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4005 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4006 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4007 comparing against one.
4008 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4010 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4011 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4012 (output_block_move): Cast `sizeof' expression to (int) when
4013 comparing against one.
4014 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4016 (save_restore_insns): Cast `base_offset' to `long' to match format
4017 specifier in fprintf.
4019 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4020 to `enum machine_mode'.
4022 * flow.c (life_analysis_1): Remove unused variable `insn'.
4024 * gcc.c (translate_options): Move variables `j' and `k' into the
4025 scope in which they are used. Change their types to `size_t'.
4026 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4027 (read_specs): Likewise.
4028 (process_command): Cast `sizeof' to (int) when comparing against one.
4029 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4030 (handle_braces): Cast both sides of `==' expression to `long' to
4031 ensure sign matching.
4032 (main): Cast variable `i' to `int' when comparing against one.
4034 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4035 int to size_t. Cast variable `i' to size_t when comparing against
4038 * genattrtab.c (convert_set_attr_alternative): Remove unused
4039 parameter `insn_code'. All callers changed.
4040 (convert_set_attr): Likewise.
4042 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4043 size_t when comparing against one. Likewise for variable `len'.
4045 * global.c (global_alloc): Cast variable `max_regno' to size_t
4046 when comparing against one. Likewise for variable `max_allocno'.
4048 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4050 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4051 `set' with ATTRIBUTE_UNUSED.
4052 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4055 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4056 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4057 (get_condition): Cast variable `const_val' to `unsigned
4058 HOST_WIDE_INT' when comparing against one. Cast unsigned
4059 expression to HOST_WIDE_INT when comparing against one.
4060 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4061 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4062 `unsigned' when comparing against one.
4064 * protoize.c (is_id_char): Change type of parameter `ch' to
4066 (munge_compile_params): Cast argument of ctype macro to (const
4068 (process_aux_info_file): Cast variable `aux_info_size' to int when
4069 comparing against one.
4070 (forward_to_next_token_char): Cast argument of ctype macro to
4071 `const unsigned char'.
4072 (edit_formals_lists): Likewise.
4073 (find_rightmost_formals_list): Likewise.
4074 (add_local_decl): Likewise.
4075 (add_global_decls): Likewise.
4076 (edit_fn_definition): Likewise.
4077 (do_cleaning): Likewise.
4078 (scan_for_missed_items): Likewise.
4079 (edit_file): Cast variable `orig_size' to (int) when comparing
4081 (main): Cast argument of ctype macro to `const unsigned char'.
4083 * recog.c (const_int_operand): Mark parameter `mode' with
4086 * regclass.c (record_reg_classes): Change type of variable `c' to
4087 `unsigned char'. Cast `char' array index to `unsigned char'.
4089 * reload.c (push_secondary_reload): Cast argument to
4090 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4092 * reload1.c (calculate_needs): Cast `char' array index to
4094 (set_label_offsets): Change type of variable `i' to unsigned int.
4095 Cast result of XVECLEN() macro to unsigned when comparing against
4097 (mark_not_eliminable): Change type of variable `i' to unsigned.
4098 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4099 when comparing against one.
4100 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4101 comparing against one.
4102 (choose_reload_regs): Hide unused label `fail'.
4103 (reload_cse_simplify_operands): Cast `char' array index to
4105 (reload_combine_note_store): Mark parameter `set' with
4106 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4108 (reload_cse_move2add): Remove unused variable `src2'.
4110 * sched.c: Include recog.h.
4111 (sched_note_set): Remove unused parameter `b'. All callers
4113 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4114 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4115 when comparing against one.
4117 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4118 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4119 comparing against one.
4121 * unroll.c (precondition_loop_p): Remove unused parameter
4122 `loop_end'. All callers changed.
4124 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4126 * reload1.c (maybe_fix_stack_asms): New static function.
4129 * reload.h (compute_use_by_pseudos): Declare.
4131 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4132 (something_needs_reloads): Delete variable.
4133 (finish_spills): New function.
4134 (compute_use_by_pseudos): New function.
4136 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4137 Use the reload_insn_chain instead of walking the rtl directly.
4139 (reload): Allocate and free spilled_pseudos.
4140 Ensure that all calls of spill_hard_reg are followed by a call to
4142 Use the insns_need_reload list instead of something_needs_reloads
4143 to find out if reload_as_needed must be called.
4144 Clear unused_insn_chains at the end.
4146 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4148 Delete code to keep track of current basic block.
4149 Walk reload_insn_chain instead of the rtl structure. Build the
4150 insns_need_reload chain.
4151 Remember which insns need reloading/elimination by setting the
4152 appropriate fields in struct insn_chain, not by putting modes on the
4155 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4156 arg INSN. All callers changed.
4157 Delete declaration of struct needs.
4158 Don't set something_needs_reloads.
4159 Record insn needs in the CHAIN argument.
4161 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4163 (reload_as_needed): Lose FIRST arg. All callers changed.
4164 Walk the reload_insn_chain instead of the rtx structure.
4165 Delete code to keep track of current basic block.
4166 Rename one of the NEXT variables to OLD_NEXT.
4168 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4170 (choose_reload_regs): Likewise.
4172 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4175 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4176 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4177 (hard_regs_live, hard_regs_need_restore): Delete variables.
4178 (n_regs_saved): Now static.
4179 (referenced_regs, this_insn_sets): New variables.
4181 (setup_save_areas): Restructure the code a bit.
4183 (restore_referenced_regs): Delete function.
4184 (mark_referenced_regs): New function, similar to the old
4185 restore_referenced_regs, but mark registers in referenced_regs.
4187 (clear_reg_live): Delete function.
4188 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4189 Only mark registers in this_insn_sets.
4191 (save_call_clobbered_regs): Rework this function to walk the
4192 reload_insn_chain instead of using the list of instructions directly.
4193 Delete code to keep track of register lives, compute live regs on the
4194 fly from information in the chain.
4195 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4196 then walk the set it computes and call insert_restore as appropriate.
4198 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4200 Restructure the code a bit. Test hard_regs_saved instead of
4201 hard_regs_need_restore.
4202 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4203 args. All callers changed.
4204 Restructure the code a bit. Use TO_SAVE to determine which regs to
4205 save instead of more complicated test.
4206 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4208 Create a new insn_chain structure for the new insn and place it
4211 * rtl.texi: Update documentation to reflect that reload no longer
4212 puts modes on the insns.
4214 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4216 * function.c (purge_addressof_1): Force the first argument of a
4217 CALL insn to memory.
4219 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4221 * rtl.h: Delete duplicate prototypes. Add some missing
4223 * rtlanal.c: (for_each_rtx): Formatting tweak.
4225 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4227 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4228 to be compatible with TI compiler.
4230 * Makefile.in (USER_H): Add va-c4x.h to definition.
4232 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4234 * function.c (purge_addressof_1): Fix typo in inequality: do
4235 bitfield optimization for equal mode sizes.
4236 * expmed.c (store_bit_field): Don't take subregs of subregs in
4237 the movstrict case. Tidy a potential problem in the multi-word case.
4238 (extract_bit_field): Likewise.
4240 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4242 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4244 Compute max_uid_for_flow by calling get_max_uid after the scan.
4245 (find_basic_blocks_1): Don't emit NOPs here.
4247 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4249 * alias.c (base_alias_check): Accept new args for the modes of the
4250 two references. Use them to determine if an AND can overlap. Update
4252 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4253 to determine if an AND can overlap.
4255 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4257 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4258 check. Add comment to document problems with TARGET_SUN_FPA version
4260 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4262 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4264 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4266 * c-common.c (print_char_table): Add missing initializers.
4267 (scan_char_table): Likewise.
4268 (time_char_table): Likewise.
4270 * c-decl.c (c_decode_option): Mark parameter `argc' with
4272 (declare_parm_level): Mark parameter `definition_flag' with
4275 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4276 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4279 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4281 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4283 (expand_call): Cast result of MIN() to (unsigned int) when
4284 comparing against an unsigned value.
4286 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4288 (make_definition): Remove unused parameter `op'. All callers
4290 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4291 comparing against the result of pointer arithmetic.
4293 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4294 when comparing against one.
4296 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4297 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4299 (output_die): Move variable `i' into the scope in which it is
4300 used. Change its type to `unsigned'.
4301 (output_die): Cast the result of `strlen' to (int) when passing it
4302 to ASM_OUTPUT_ASCII().
4303 (output_pubnames): Likewise.
4304 (output_line_info): Likewise.
4306 * emit-rtl.c (global_rtl): Add missing initializers.
4308 * explow.c (promote_mode): Mark parameter `for_call' with
4311 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4312 `unsigned HOST_WIDE_INT' when comparing against one.
4313 (synth_mult): Change type of variable `cost' to int.
4314 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4316 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4317 when comparing against one.
4318 (get_inner_reference): Change variable `alignment' to unsigned.
4319 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4320 int) when comparing against one.
4321 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4323 * fold-const.c (div_and_round_double): Cast BASE to
4324 (HOST_WIDE_INT) when comparing against one.
4326 * gencheck.c: Include gansidecl.h.
4327 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4329 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4330 `tcode' with ATTRIBUTE_UNUSED.
4332 * real.c (edivm): Cast constant value to (unsigned long) in
4333 expression compared against an unsigned value.
4335 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4336 comparing against one.
4337 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4338 when comparing against one.
4340 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4341 (unsigned int) when comparing against one. Likewise for
4343 (smallest_mode_for_size): Likewise.
4344 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4345 (restore_storage_status): Likewise.
4347 * toplev.c (debug_args): Add missing initializer.
4348 (f_options): Spelling correction. Add missing initializers.
4349 (documented_lang_options): Likewise.
4350 (debug_end_source_file): Mark parameter `lineno' with
4353 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4354 `decl' and `type' with ATTRIBUTE_UNUSED.
4356 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4357 when comparing against one.
4358 (assemble_variable): Mark parameter `top_level' with
4360 (assemble_external_libcall): Mark parameter `fun' with
4362 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4365 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4367 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4368 Replace use of r5 with use of r19.
4370 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4372 * config/v850/v850.c (compute_register_save_size): Allow for the
4373 fact that helper functions save all registers, not just those used
4376 Replace constant 31 with macro LINK_POINTER_REGNUM.
4378 * config/v850/v850.md: Use 'indirect_operand' rather than
4379 'memory_operand' for bit test/set/clear patterns.
4381 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4383 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4384 * varasm.c (assemble_start_function et al): Don't call
4385 ASM_GLOBALIZE_LABEL for weak symbols.
4387 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4389 * cse.c (equiv_constant): Check for NULL return from
4390 gen_lowpart_if_possible().
4392 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4394 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4396 * collect2.c (main): Pass -EL/-EB through to the compiler.
4398 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4400 * expr.c (push_block): Handle targets where the stack grows
4401 to higher addresses, but args grow to lower addresses and
4402 ACCUMULATE_OUTGOING_ARGS is not defined.
4404 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4406 * config/v850/v850.c (print_operand): Extend meaning
4407 of 'c' operands to support .vtinherit.
4409 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4411 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4412 Added ATTRIBUTE_UNUSED to unused function arguments.
4413 (rc_reg_operand): New predicate.
4414 (c4x_rptb_insert): New function.
4415 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4416 (c4x_optimization_options): New function.
4418 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4419 (decrement_and_branch_on_count): New pattern.
4420 (rptb_top): Modified pattern to work with BCT optimization.
4422 * config/c4x/c4x.h (RC_REG): New register class.
4423 (rc_reg_operand): Define prototype.
4424 (IS_RC_REG): New macro.
4425 (IS_RC_OR_PSEUDO_REG): New macro.
4426 (IS_RC_OR_PSEUDO_REGNO): New macro.
4427 (OPTIMIZATION_OPTIONS): Define.
4429 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4431 * collect2.c (extract_init_priority): No priority is 65535.
4433 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4435 * Makefile.in (build_tooldir): new variable, same as old
4436 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4437 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4438 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4440 * configure.in (gxx_include_dir): set default based on unlibsubdir
4441 * Makefile.in (tooldir): ditto
4442 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4443 gxx_include_dir, includedir and tooldir
4444 (protoize.o, unprotoize.o): ditto
4446 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4448 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4450 * config/arm/thumb.c (thumb_override_options): Add warning about
4451 PIC code not being supported just yet.
4453 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4455 * flow.c: Update comment.
4456 (notice_stack_pointer_modification): New static function.
4457 (record_volatile_insns): Use it.
4458 (mark_regs_live_at_end): Mark the stack pointer as alive
4459 at the end of the function if current_function_sp_is_unchanging
4461 (life_analysis_1): Set current_function_sp_is_unchanging.
4462 * function.c: Define it.
4463 (init_function_start): Initialize it.
4464 * output.h: Declare it.
4465 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4466 the stack pointer as alive at the end of the function if
4467 current_function_sp_is_unchanging is set.
4468 * i386.c (ix86_epilogue): Optimize the restoring
4469 of the stack pointer.
4471 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4473 * version.c: Bump for snapshot.
4475 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4477 * c-pragma.c (handle_pragma_token): If passed a token instead
4478 of a tree, use that as the pack value.
4480 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4482 * flow.c (find_basic_blocks_1): Fix prototype.
4484 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4486 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4487 (struct tree_decl): New fields no_check_memory_usage.
4488 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4489 (init_attributes): Register it as a new attribute.
4490 (decl_attributes): Set flags on functions given that attribute.
4491 * c-decl.c (duplicate_decls): Merge new attribute.
4492 * expr.h (current_function_check_memory_usage): Declare new var.
4493 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4494 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4495 current_function_check_memory_usage.
4496 * function.h: Add field to struct function.
4497 * function.c (current_function_check_memory_usage): Define it.
4498 (push_function_context_to, pop_function_context_from): Save and
4500 (expand_function_start): Set it, based on global flag and function
4503 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4504 check non-automatic variables, to permit detection of writes to
4505 read-only locations in embedded systems without memory management.
4506 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4507 when emitting chkr_set_right_libfunc call, even if the argument is
4508 BLKmode or variable-sized; don't abort.
4510 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4511 symbols in Pmode, not VOIDmode.
4513 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4515 * cppexp.c: When forcing unsigned comparisons, cast both sides
4518 * cpphash.h: Move static declaration of hashtab[]...
4519 * cpphash.c: ...here.
4521 * cpplib.c: Cast difference of two pointers to size_t before
4522 comparing it to size_t. Cast signed to unsigned
4523 before comparing to size_t. (FIXME: struct argdata should use
4524 unsigned buffer sizes.)
4525 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4526 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4527 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4528 size_t before comparison.
4530 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4532 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4533 (find_basic_blocks_1): Similarly.
4534 * output.h (find_basic_blocks): Fix prototype.
4535 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4536 find_basic_blocks anymore.
4538 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4540 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4541 (sbitmap_free, sbitmap_vector_free): New macros.
4542 * output.h (rtl_dump_file): Declare.
4544 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4546 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4548 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4550 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4552 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4553 (divide): Remove unused variable `tmp'.
4554 (si_to_float): Cast numeric constant to (SItype) before comparing
4557 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4559 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4560 * gcc.c (add_preprocessor_option): Correct typo when allocating
4561 memory, sizeof() argument had one too many `*'.
4562 (add_assembler_option): Likewise.
4563 (add_linker_option): Likewise.
4564 * gcov.c (output_data): Likewise.
4565 * local-alloc.c (memref_used_between_p): Likewise.
4566 (update_equiv_regs): Likewise.
4567 * loop.c (strength_reduce): Likewise.
4568 * reg-stack.c (record_asm_reg_life): Likewise.
4569 (subst_asm_stack_reg): Likewise.
4570 * reorg.c (dbr_schedule): Likewise.
4572 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4574 * flow.c (life_analysis_1): Break out some functions.
4575 (find_basic_blocks_1): Likewise. Also move some variables out and
4577 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4578 new static var nonlocal_label_list with it.
4579 (active_eh_region, nested_eh_region, label_value_list,
4580 nonlocal_label_list): New static variables.
4581 (make_edges, delete_unreachable_blocks, delete_block): New static
4582 functions, broken out of find_basic_blocks_1.
4583 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4584 noop_move_p): New static functions, broken out of life_analysis_1.
4586 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4588 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4589 Take extra care for op0 now possibly being a subreg.
4590 (extract_bit_field): Likewise.
4591 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4592 the reg to memory if there is no equal sized integral mode.
4593 * stor-layout.c (int_mode_for_mode): New function.
4594 * machmode.h: Prototype it.
4596 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4598 * global.c (build_insn_chain): Verify no real insns exist past the
4599 end of the last basic block, then exit the loop.
4601 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4603 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4605 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4607 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4609 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4611 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4613 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4615 * flow.c (find_basic_blocks): Correctly determine when a call
4616 is within an exception region.
4618 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4620 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4622 * cpplib.h: Protect from multiple inclusions.
4623 * cpplib.c: Fix minor formatting problems.
4625 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4627 * jump.c (jump_optimize): Revert accidental patch.
4629 * Makefile.in (cpplib.o): Use unlibsubdir.
4631 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4633 * loop.c (get_condition): Allow combine when either compare is
4636 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4638 * version.c: Bump for snapshot.
4640 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4642 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4643 (init_lex): Initialize ridpointers[RID_BYREF].
4644 * c-lex.h (enum rid): Add RID_BYREF.
4645 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4646 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4647 (encode_type_qualifiers): Similarly
4648 * c-gperf.h: Rebuilt.
4650 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4652 * c-common.c (type_for_mode): Only return TItype nodes when
4653 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4654 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4655 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4656 (init_decl_processing): Only create TItype nodes when
4657 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4658 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4659 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4661 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4663 * stmt.c (n_occurrences): New static function.
4664 (expand_asm_operands): Verify that all constrains match in the
4665 number of alternatives.
4666 Verify that '+' or '=' are at the beginning of an output constraint.
4667 Don't allow '&' for input operands.
4668 Verify that '%' isn't written for the last operand.
4669 * reload.c (find_reloads): Abort if an asm is found with invalid
4670 constraints; all possible problems ought to be checked for earlier.
4672 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4674 * flags.h (flag_branch_on_count_reg): Always declare
4675 * toplev.c (flag_branch_on_count_reg): Likewise.
4676 * toplev.c: Fix typos.
4678 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4681 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4683 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4685 (find_basic_blocks_1): Add a nop to the end of a basic block when
4686 a trailing call insn does not have abnormal control flow.
4687 * gcse.c (pre_transpout): New variable.
4688 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4689 (compute_pre_transpout): Calculate it.
4690 (compute_pre_ppinout): Use it to eliminate impossible placements
4691 due to abnormal control flow through calls.
4692 (compute_pre_data): Call compute_pre_transpout.
4694 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4696 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4698 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4700 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4701 and matching define_insns): Tack on a `use' of the table label, so
4702 flow analysis will recognize a tablejump.
4704 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4706 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4707 always end basic blocks for abnormal edge reasons.
4709 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4711 * config/i386/i386.h: Remove definition of
4712 HANDLE_PRAGMA_PACK_PUSH_POP.
4714 * config/i386/go32.h: Add definition of
4715 HANDLE_PRAGMA_PACK_PUSH_POP.
4717 * config/i386/win32.h: Add definition of
4718 HANDLE_PRAGMA_PACK_PUSH_POP.
4720 * config/i386/cygwin32.h: Add definition of
4721 HANDLE_PRAGMA_PACK_PUSH_POP.
4723 * c-pragma.c (insert_pack_attributes): Do not insert
4724 attributes unless #pragma pack(push,<n>) is in effect.
4726 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4728 * expr.c (emit_group_store): Handle a PARALLEL destination.
4730 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4732 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4733 the new insns before the argument regs are loaded.
4735 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4737 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4738 (c-parse.gperf): Update comments describing invocation flags.
4739 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4741 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4743 * reload1.c (reload): Call free before clobbering the memory
4744 locations or constants pointers.
4746 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4748 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4749 for efficiency by checking whether we need to modify the current
4750 stack permission at all.
4751 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4752 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4753 __enable_execute_stack libcall here too if
4754 TRANSFER_FROM_TRAMPOLINE is defined.
4755 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4758 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4760 * Makefile.in (DRIVER_DEFINES): Remove last change.
4762 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4764 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4765 insns we're going to copy.
4766 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4768 * loop.c (count_one_set): Add prototype.
4770 * caller-save.c (restore_referenced_regs): Lose mode argument.
4771 (insert_save): Lose mode argument.
4772 (insert_restore): Lose mode argument.
4773 (insert_one_insn): Lose mode argument.
4774 (save_call_clobbered_regs): Lose mode argument.
4775 (setup_save_areas): Take no argument and return void. All callers
4777 Don't verify validity of memory addresses.
4778 * reload.h (setup_save_ares): Adjust prototype.
4779 (save_call_clobbered_regs): Likewise.
4780 * reload1.c (delete_caller_save_insns): New function.
4781 (caller_save_spill_class): Delete variable.
4782 (caller_save_group_size): Delete variable.
4783 (reload): Call setup_save_areas and save_call_clobbered_regs
4784 in the main loop, before calling calculate_needs_all_insns.
4785 Don't call save_call_clobbered_regs after the loop.
4786 Call delete_caller_save_insns at the end of an iteration if
4788 Delete code to manage caller_save_spill_class.
4789 Emit the final note before setting reload_first_uid.
4790 Simplify test that determines whether reload_as_needed gets run.
4791 (calculate_needs): Delete code to manage caller_save_spill_class.
4793 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4795 * collect2.c (main): Initialize ld_file_name.
4797 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4799 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4800 check for flag_function_sections.
4802 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4804 * cse.c (insert_regs): Fix bug in Sep 24 change.
4806 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4808 * flags.h (flag_dump_unnumbered): Declare.
4809 * toplev.c (flag_dump_unnumbered): Don't declare.
4810 * print-rtl.c (flags.h): Include.
4811 (print_rtl_single): Add return value.
4812 * rtl.h (print_rtl_single): Update declaration.
4813 * flow.c (flag_dump_unnumbered): Don't declare.
4814 (print_rtl_with_bb): Use return value of print_rtl_single.
4816 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4818 * loop.c (count_one_set): New static function, broken out of
4820 (count_loop_regs_set): Call it.
4821 * global.c (mark_reg_store): Handle clobbers here by not calling
4823 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4824 is in fact a clobber.
4825 * integrate.c (process_reg_param): New function, broken out of
4826 expand_inline_function.
4827 (expand_inline_function): Call it.
4830 * i386.md (addsidi3_1): Delete unused variable temp.
4831 (addsidi3_2): Likewise.
4832 (clstrstrsi): Delete unused variable addr1.
4834 * rtl.h: Don't declare any functions also declared in recog.h.
4836 * Makefile.in (stupid.o): Update dependencies.
4837 (global.o): Likewise.
4839 * global.c: Include reload.h
4840 (reg_becomes_live): New function.
4841 (reg_dies): New function.
4842 (build_insn_chain): New function.
4843 (global_alloc): Call build_insn_chain before calling reload.
4845 * reload.h (struct needs): New structure definition.
4846 (struct insn_chain): Likewise.
4847 (reload_insn_chain): Declare variable.
4848 (new_insn_chain): Declare function.
4851 * reload1.c (reload_startobj): New variable.
4852 (reload_insn_chain): New variable.
4853 (unused_insn_chains): New variable.
4854 (new_insn_chain): New function.
4855 (init_reload): Initialize reload_startobj, not reload_firstobj.
4856 (reload): Initialize reload_firstobj.
4857 Before returning, free everything on the reload_obstack.
4859 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4860 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4861 current_chain): New variables.
4862 (reg_where_born): Delete variable.
4863 (REG_WHERE_BORN): New macro.
4864 (find_clobbered_regs): New function.
4865 (stupid_life_analysis): Don't allocate/free reg_where_born.
4866 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4867 reg_where_dead_chain.
4868 Use REG_WHERE_BORN instead of reg_where_born.
4869 While processing the insns, build the reload_insn_chain with
4870 information about register lifetimes.
4871 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4872 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4874 Compute and information about birth and death of pseudo registers in
4875 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4876 Delete code to set elements of reg_where_born.
4878 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4880 * tree.def (GOTO_EXPR): Modified documentation.
4881 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4884 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4886 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4887 loop_final_value, loop_comparison_code): No longer static.
4888 (unroll_loop): Delete loop_start_value update.
4889 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4890 loop_final_value, loop_comparison_code): Extern.
4891 (loop_start_value): Delete extern.
4892 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4893 loop_comparison_value, loop_comparison_code): Delete.
4894 (loop_optimize): Remove initialization for deleted variables.
4895 (strength_reduce): Delete analyze_loop_iterations call. Only call
4896 insert_bct if flag_branch_count_on_reg set.
4897 (analyze_loop_iterations): Delete.
4898 (insert_bct): Remove iteration count calculation. Move checks for
4899 viable BCT optimization to here. Obtain iteration count from
4900 loop_iterations and correct for unrolling. Check for enough
4901 iteration to be beneficial. Comment out runtime iteration count
4903 (insert_bct): Print iteration count in dump file. Remove
4904 loop_var_mode and use word_mode directly.
4906 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4907 * rs6000.c (rs6000_override_options): Use it.
4908 (optimization_options): Enable use of flag_branch_on_count_reg.
4909 * rs6000.md (define_function_unit): Describe 604e.
4911 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4913 * loop.c (move_movables): Corrected threshold calculation for
4914 moved_once registers.
4916 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4918 * loop.c (combine_givs_p): Fix test for identical givs.
4920 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4922 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4923 call abort if the function is already defined.
4925 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4927 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4928 truncation is not a no-op.
4930 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4932 * version.c: Bump for snapshot.
4934 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4936 * version.c: Bump for snapshot.
4938 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4940 * expmed.c (expand_divmod): Don't widen for computing remainder
4941 if we seem to have a divmod pattern for needed mode.
4943 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4945 * cpplib.c (macroexpand): Correct off-by-one error in handling
4948 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4950 * combine.c (expand_field_assignment): Don't do bitwise operations
4951 on MODE_FLOAT; pun to MODE_INT if possible.
4953 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4954 scott snyder <snyder@d0sgif.fnal.gov>
4956 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4957 linker. Recognize mangled names in quotes.
4959 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4961 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4962 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4963 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4964 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4966 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4968 * function.c (purge_addressof_1): If trying to take a sub-word
4969 integral piece of a floating point mode, put it on the stack.
4971 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4973 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4975 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4977 * PROJECTS: Remove template friends.
4979 * collect2.c (sort_ids): Remove unused variable.
4981 * tm.texi (MATH_LIBRARY): Document.
4982 (NEED_MATH_LIBRARY): Remove.
4984 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4985 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4987 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4989 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4990 last_end to 0x7fffffff.
4992 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4994 * function.c (purge_addressof_1): Do not perform endianness
4995 corrections on bitpos, who we call will do it for us.
4997 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4999 * h8300.c (WORD_REG_USED): Fix typo.
5000 (initial_offset): Use WORD_REG_USED.
5002 * h8300.c (handle_pragma): Fix typo.
5004 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5006 * caller-save.c (insert_save_restore): Break this function up
5007 into new functions insert_restore, insert_save and insert_one_insn.
5008 All callers changed.
5009 (insert_restore): New function, mostly broken out of
5010 insert_save_restore.
5011 (insert_save): Likewise.
5012 (insert_one_insn): Likewise.
5013 (restore_referenced_regs): New argument BLOCK. All callers changed.
5014 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5015 in this function, do it in insert_one_insn instead.
5017 * reload1.c (reload): Break out some more pieces into separate
5019 (dump_needs): New function, broken out of reload.
5020 (set_initial_elim_offsets): Likewise.
5021 (init_elim_table): Likewise.
5022 (update_eliminables): Likewise.
5024 * global.c (global_alloc): Delete code to manage the scratch_list.
5025 * local-alloc.c (qty_scratch_rtx): Delete.
5026 (scratch_block): Delete.
5027 (scratch_list): Delete.
5028 (scratch_list_length): Delete.
5029 (scratch_index): Delete.
5030 (alloc_qty_for_scratch): Delete.
5031 (local-alloc): Update initialization of max_qty.
5032 Delete code to manage the scratch list.
5033 Delete code to allocate/initialize qty_scratch_rtx.
5034 (block_alloc): Don't allocate quantities for scratches.
5035 Delete code to manage the scratch list.
5036 * regs.h (scratch_list): Delete declaration.
5037 (scratch_block): Delete declaration.
5038 (scratch_list_length): Delete declaration.
5039 * reload1.c (reload): Delete code to manage the scratch list.
5040 (spill_hard_reg): Likewise.
5041 (mark_scratch_live): Delete.
5043 * recog.c (alter_subreg): Delete declaration.
5045 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5047 * Makefile.in (cccp.o): Fix typo in last patch.
5049 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5051 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5052 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5054 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5056 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5057 NULL_RTX as an argument.
5059 * Makefile.in (unlibsubdir): Define.
5060 (DRIVER_DEFINES): Use unlibsubdir.
5061 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5062 (stmp-fixinc): Similarly.
5064 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5066 * regmove.c (regmove_optimize): Add variable old_max_uid.
5067 At the end of the function, update basic_block_end.
5069 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5071 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5072 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5075 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5077 * config/arm/arm.c: Improve interworking support.
5079 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5081 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5082 copied from reload_out[r] .
5084 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5086 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5087 with more than three size ranges.
5089 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5091 * rtl.c (mode_name): Add a null string at the end of the array.
5092 (mode_wider_mode): Change type to unsigned char.
5093 (mode_mask_array): New variable.
5094 (init_rtl): Update for mode_wider_mode type change.
5096 * rtl.h (mode_wider_mode): Change type to unsigned char.
5097 (mode_mask_array): Declare.
5098 (GET_MODE_MASK): Use mode_mask_array.
5100 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5102 * calls.c (expand_call) : Encapsulate code into
5103 copy_blkmode_from_reg.
5104 * expr.c (copy_blkmode_from_reg): New function.
5105 * expr.h (copy_blkmode_from_reg): New function.
5106 * integrate.c (function_cannot_inline_p): We can inline
5108 (expand_inline_function): Use copy_blkmode_from_reg
5109 if needed. Avoid creating BLKmode REGs.
5110 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5113 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5115 * config/v850/v850.c: Add function prototypes.
5116 Add support for v850 special data areas.
5118 * config/v850/v850.h: Add support for v850 special data areas.
5120 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5121 HANDLE_PRAGMA_PACK_PUSH_POP.
5122 (push_alignment): New function: Cache an alignment requested
5123 by a #pragma pack(push,<n>).
5124 (pop_alignment): New function: Pop an alignment from the
5126 (insert_pack_attributes): New function: Generate __packed__
5127 and __aligned__ attributes for new decls whilst a #pragma pack
5129 (add_weak): New function: Cache a #pragma weak directive.
5130 (handle_pragma_token): Document calling conventions. Add
5131 support for #pragma pack(push,<n>) and #pragma pack (pop).
5133 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5134 are defined enable HANDLE_PRAGMA_PACK.
5135 Move 'struct weak_syms' here (from varasm.c).
5136 Add pragma states for push and pop pragmas.
5138 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5141 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5142 HANDLE_GENERIC_PRAGMAS.
5144 * varasm.c: Move definition of 'struct weak_syms' into
5146 (handle_pragma_weak): Deleted.
5148 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5150 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5152 * c-decl.c (start_function): Add invocation of
5153 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5155 * tm.texi: Remove description of non-existant macro
5156 SET_DEFAULT_SECTION_NAME.
5158 (HANDLE_SYSV_PRAGMA): Document.
5159 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5161 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5163 * config.sub: Recognize i[34567]86-pc-udk as new target.
5164 * configure.in: Likewise.
5165 * config/i386/t-udk: New file.
5166 * config/i386/udk.h: New file.
5168 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5170 * reorg.c (check_annul_list_true_false): Remove unused variables.
5171 (steal_delay_list_from_target): Add missing "used_annul" variable.
5172 (try_merge_delay_insns): Close out half formed comment.
5174 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5176 * cpplib.c (macroexpand): If arg->raw_before or
5177 arg->raw_after, remove any no-reexpansion escape at the
5178 beginning of the pasted token. Correct handling of whitespace
5179 markers and no-reexpand markers at the end if arg->raw_after.
5181 * toplev.c (documented_lang_options): Recognize -include,
5182 -imacros, -iwithprefix, -iwithprefixbefore.
5183 * cpplib.c (cpp_start_read): Process -imacros and -include
5184 switches at the same time and in command-line order, after
5185 initializing the dependency-output code. Emit properly nested
5186 #line directives for them. Emit a #line for the main file
5187 before processing these switches, and don't do it again
5190 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5192 * function.c (purge_addressof_1): Use bitfield manipulation
5193 routines to handle mem mode < reg mode.
5195 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5197 * reorg.c (try_merge_delay_insns): Account for resources referenced
5198 in each instruction in INSN's delay list before trying to eliminate
5199 useless instructions. Similarly when looking at a trial insn's delay
5202 * reorg.c (check_annul_list_true_false): New function.
5203 (steal_delay_list_from_{target,fallthrough}): Call it and also
5204 refine tests for when we may annul if already filled a slot.
5205 (fill_slots_from_thread): Likewise.
5206 (delete_from_delay_slot): Return newly-created thread.
5207 (try_merge_delay_isns): Use its new return value.
5209 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5211 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5212 used to compute a giv or as some other non-counting use.
5214 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5216 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5217 * local-alloc.c (find_free_reg): Use it.
5218 * global.c (find_reg): Likewise.
5219 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5221 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5222 * caller-save.c (init_caller_save): Use it.
5223 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5225 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5227 * configure.in: Add --enable-cpplib option which uses cpplib
5228 for cpp, but doesn't link cpplib into cc1. Make help text
5229 capitalization consistent.
5230 * configure: Rebuilt.
5232 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5234 * function.c (gen_mem_addressof): If the address REG is
5235 REG_USERVAR_P make the new REG be so also.
5236 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5237 in an attempt to clarify slightly.
5239 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5241 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5242 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5244 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5246 * toplev.c: Fix last patch.
5248 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5250 * loop.c (get_condition): Fix typo in May 9 change.
5252 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5254 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5256 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5258 * toplev.c (documented_lang_options): Spelling corrections.
5260 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5262 * configure.in: new flags --with-ld and --with-as, equivalent
5263 to setting LD and AS environment variables. Test whether
5264 specified arguments are GNU commands, and report them with
5265 checking messages. Use the specified AS for configure
5268 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5270 * gcc.c (find_a_file): when looking for `as' and `ld', return
5271 the DEFAULT program if it exists
5272 * collect2.c (main): use DEFAULT_LINKER if it exists
5274 * gcc.c (find_a_file): the test for existence of a full
5275 pathname was reversed
5277 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5279 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5280 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5282 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5284 * tree.h (TYPE_BINFO): Document.
5286 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5288 * i386-coff.h (dbxcoff.h): Added.
5290 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5292 * toplev.c: fix bad patch around flag_data_sections.
5294 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5296 * reload1.c (reload): Use reload_address_index_reg_class and
5297 reload_address_base_reg_class when setting
5298 caller_save_spill_class. (Patch generated by Jim Wilson:
5301 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5303 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5304 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5305 * expr.c (store_field): Add alias_set parameter. Set the
5306 MEM_ALIAS_SET accordingly, if the target is a MEM.
5307 (expand_assignment): Use it.
5308 (store_constructor_field): Pass 0.
5309 (expand_expr): Likewise.
5311 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5313 * flags.h: Add flag_data_sections.
5314 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5315 (compile_file): Error if flag_data_sections not supported.
5316 * varasm.c (assemble_variable): Handle flag_data_sections.
5317 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5318 * config/mips/elf.h: Likewise.
5319 * config/mips/elf64.h: Likewise.
5320 * invoke.texi: Describe -fdata-sections.
5322 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5324 * invoke.texi (-ffloat-store): Clarify that this option
5325 does not affect intermediate results -- only variables.
5327 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5329 * cpp.texi: Update for Fortran usage from Craig.
5331 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5333 * rs6000.c (function_arg_boundary): Revert accidental change on
5336 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5338 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5339 (output_mi_thunk): Declare.
5341 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5342 (output_function_profiler): Use r12 for temp, instead of r11 so
5343 that we preserve the static chain register.
5345 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5347 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5349 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5351 * sh.c (gen_shl_sext): Fix case 5.
5353 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5355 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5357 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5359 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5360 accessing variables until they are initialized via va_arg().
5362 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5364 * reload1.c (reload_combine): Initialize set before using.
5366 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5368 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5371 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5373 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5374 operand3 with mask before using it. Patch provided by Jim Wilson.
5376 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5378 * config/sparc/sparc.c (function_value): Perform the equivalent of
5379 PROMOTE_MODE for ARCH64.
5380 (eligible_for_epilogue_delay): Allow DImode operations in delay
5381 slot of a return for ARCH64.
5383 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5385 * sh.md (sqrtsf2): Fix mode of sqrt.
5387 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5389 * reload1.c (choose_reload_regs): Also try inheritance when
5390 reload_in is a stack slot of a pseudo, even if we already got a
5393 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5395 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5396 (reload_cse_regs): New function body: call reload_cse_regs_1,
5397 reload_combine, reload_cse_move2add.
5398 When doing expensive_optimizations, call reload_cse_regs_1 a
5399 second time after reload_cse_move2add.
5400 (reload_combine, reload_combine_note_store): New functions.
5401 (reload_combine_note_use): New function.
5402 (reload_cse_move2add, move2add_note_store): New functions.
5404 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5406 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5407 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5409 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5410 more than 3 such reloads.
5412 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5413 RELOAD_FOR_X_ADDR_ADDR reload.
5415 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5417 * expr.c (store_constructor): When initializing a field that is smaller
5418 than a word, at the start of a word, try to widen it to a full word.
5420 * cse.c (cse_insn): When we are about to change a register,
5421 remove any invalid references to it.
5423 (remove_invalid_subreg_refs): New function.
5424 (mention_regs): Special treatment for SUBREGs.
5425 (insert_regs): Don't strip SUBREG for call to mention_regs.
5426 Check if reg_tick needs to be bumped up before that call.
5427 (lookup_as_function): Try to match known word_mode constants when
5428 looking for a norrower constant.
5429 (canon_hash): Special treatment for SUBREGs.
5431 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5433 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5434 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5435 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5436 and offsets in actual stack trampoline code so they match the
5437 commentary and actually work.
5439 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5441 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5443 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5444 tmake_file. Set extra_parts to needed crt objects.
5445 * configure: Rebuilt.
5446 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5447 (TARGET_DEFAULT): Set if default is v9 or ultra.
5448 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5449 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5450 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5451 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5452 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5453 (TARGET_VERSION): Define.
5454 (MULTILIB_DEFAULT): Define.
5455 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5456 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5457 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5459 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5460 * config/sparc/sparc.c (sparc_override_options): If arch and
5461 pointer size disagree, emit diagnostic and fix it up. If
5462 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5463 V8PLUS in 64-bit mode.
5464 * config/sparc/t-linux64: New file.
5465 * config/sparc/t-sol2-64: New file.
5466 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5467 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5468 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5469 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5470 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5471 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5473 (STARTFILE_SPEC): Set approriately based upon those.
5474 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5475 disposition of DEFAULT_ARCH32_P.
5476 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5477 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5478 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5479 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5480 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5482 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5484 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5486 * rtl.h (init_virtual_regs): New function.
5487 * emit-rtl.c (init_virtual_regs): Define.
5488 (insn_emit): Use it.
5489 * integrate.c (save_for_inline_copying): Likewise.
5491 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5493 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5494 (enum reg_class): Add NONARG_LO_REGS support.
5495 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5496 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5497 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5498 completes. Re-enable HImode REG+OFFSET addresses.
5499 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5501 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5503 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5505 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5506 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5507 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5509 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5511 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5512 jumps as a single entity, taking into account the size of the
5515 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5517 * tree.def (SWITCH_EXPR): New tree node definition.
5519 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5521 * version.c: Bump for snapshot.
5523 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5525 * version.c: Bump for snapshot.
5527 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5529 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5532 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5534 * Revert this patch.
5535 * reload.c (find_reloads): Do not replace a pseudo with
5536 (MEM (reg_equiv_addr)) in the initializing insn for the
5539 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5541 * final.c (final_scan_insn): Disable tracking CC across branches.
5543 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5545 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5546 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5547 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5548 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5549 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5551 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5553 * toplev.c (rest_of_compilation): Skip compiling anything with
5554 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5556 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5558 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5559 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5560 use in_libcall_block.
5561 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5562 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5565 Mon Sep 21 14:02:23 1998
5567 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5568 typo in no-fancy-math-387 description.
5570 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5572 * version.c: Bump for snapshot.
5574 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5576 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5578 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5580 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5581 documented in install.texi.
5582 (TARGET_OPTIONS) Likewise.
5584 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5586 * version.c: Bump for snapshot.
5588 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5590 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5591 * cccp.c (main): Likewise.
5593 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5594 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5597 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5599 * Makefile.in (LIBS): Link in libiberty.a.
5600 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5602 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5604 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5605 it to update bb boundaries. Update caller.
5606 * function.c (reposition_prologue_and_epilogue_notes): Update
5607 bb boundaries wrt the moved note.
5609 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5611 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5613 * configure: Regenerate.
5615 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5617 * alpha.c (alpha_sr_alias_set): New variable.
5618 (override_options): Set it.
5619 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5620 (mode_mask_operand): Fix signed-unsigned comparision warning.
5621 (alpha_expand_block_move): Likewise.
5622 (print_operand): Likewise.
5623 (get_aligned_mem): Use change_address.
5624 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5625 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5626 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5627 (alpha_align_insns): Remade from old alphaev5_align_insns
5628 to handle multiple processors.
5629 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5630 * output.h (label_to_alignment): Prototype.
5632 * tree.c (new_alias_set): New function.
5633 * tree.h (new_alias_set): Declare it.
5634 * c-common.c (c_get_alias_set): Use it.
5636 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5638 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5639 to an ABS expr, convert an unsigned input to signed.
5641 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5643 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5645 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5647 * configure.in: Add support for c4x targets.
5648 * configure: Rebuilt.
5650 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5652 * combine.c (distribute_notes): If an insn is a cc0 user, only
5653 delete it if we can also delete the cc0 setter.
5655 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5657 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5658 (invert_truthvalue): Enable truthvalue inversion for
5659 floating-point operands if -ffast-math.
5661 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5663 * configure.in: Disable collect2 for nextstep. Instead use
5665 * configure: Rebuilt.
5666 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5667 (ENDFILE_SPEC): Define.
5668 (OBJECT_FORMAT_MACHO): Define.
5669 (EH_FRAME_SECTION_ASM_OP): Define.
5670 * crtstuff.c: Handle MACHO.
5672 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5674 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5676 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5678 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5679 (_fpadd_parts): Get sign right for 0.
5681 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5683 * ginclude/varargs.h: Add support for C4x target.
5684 * ginclude/stdargs.h: Likewise.
5686 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5688 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5689 (alpha_emit_set_long_const): Rewrite to be callable from reload
5691 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5692 * alpha.md (movdi): Likewise.
5694 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5696 * arm.c (add_constant): New parameter address_only, change caller.
5697 Set it non-zero if taking the address of an item in the pool.
5698 (arm_reorg): Handle cases where we need the address of an item in
5701 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5703 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5704 memory addresses that are not in standard canonical form.
5706 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5708 * README.C4X: New file with information about the c4x ports.
5709 * ginclude/va-c4x.h: New file for c4x varargs support.
5710 * config/c4x: New directory with c4x port files.
5712 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5714 * reload.c (find_reloads): Do not replace a pseudo with
5715 (MEM (reg_equiv_addr)) in the initializing insn for the
5718 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5720 * toplev.c (rest_of_compilation): Set bct_p on second call to
5722 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5724 (strength_reduce): Only call analyze_loop_iterations and
5725 insert_bct if bct_p set.
5726 (check_dbra_loop): Fix typo.
5727 (insert_bct): Use word_mode instead of SImode.
5728 (instrument_loop_bct): Likewise. Do not delete iteration count
5729 condition code generation insn. Initialize iteration count before
5731 * rtl.h (loop_optimize): Update prototype.
5733 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5734 not doubleword aligned.
5736 * rs6000.c (optimization_options): New function.
5737 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5738 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5739 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5740 first; cr1 can be used for FP record condition insns.
5742 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5744 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5747 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5750 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5752 (block_move_call): New function: Call a library routine to copy a
5754 (m32r_expand_block_move): New function: Expand a "movstrsi"
5755 pattern into a sequence of insns.
5756 (m32r_output_block_move): New function: Expand a
5757 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5758 (m32r_block_immediate_operand): New function: Return true if the
5759 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5761 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5763 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5765 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5767 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5769 * regmove.c (copy_src_to_dest): Check that modes match.
5771 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5773 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5775 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5777 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5778 narrower than FLOAT_REGS.
5780 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5782 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5784 * Makefile.in (old_gxx_include_dir): removed
5786 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5788 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5791 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5792 (sh_handle_pragma): Change function arguments to match new
5793 specification for HANDLE_PRAGMA.
5795 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5797 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5799 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5800 When generating output, initialize missing struct member to zero.
5802 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5804 * regmove.c (copy_src_to_dest): Don't copy if that requires
5805 (a) new register(s).
5807 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5809 * global.c (reg_allocno): Now static.
5810 * reload1.c (reg_allocno): Delete declaration.
5811 (order_regs_for_reload): Take no arguments. Don't treat regs
5812 allocated by global differently than those allocated by local-alloc.
5814 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5816 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5817 condition, fix format strings.
5818 (output_function_epilogue): Likewise.
5820 * m68k/m68k.c: Don't include <stdlib.h> directly.
5822 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5824 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5825 mem_first_set, mem_last_set; because 0 can be a CUID.
5826 (oprs_unchanged_p): Use new definition.
5827 (record_last_reg_set_info): Likewise.
5828 (record_last_mem_set_info): Likewise.
5829 (compute_hash_table): Likewise.
5831 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5833 * rs6000.c (output_epilogue): Handle Chill.
5835 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5836 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5838 * combine.c (make_extraction): If no mode is specified for
5839 an operand of insv, extv, or extzv, default it to word_mode.
5840 (simplify_comparison): Similarly.
5841 * expmed.c (store_bit_field): Similarly.
5842 (extract_bit_field): Similarly.
5843 * function.c (fixup_var_regs_1): Similarly.
5844 * recog.c (validate_replace_rtx_1): Similarly.
5845 * mips.md (extv, extzv, insv expanders): Default modes for most
5846 operands. Handle TARGET_64BIT.
5847 (movdi_uld, movdi_usd): New patterns.
5849 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5850 equivalent memory location unless we have been provided a scratch
5851 register. Similarly do not call find_replacement unless a
5852 scratch register has been provided.
5854 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5856 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5859 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5861 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5862 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5863 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5864 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5865 * c-decl.c (init_decl_processing): Update accordingly.
5866 * expr.c (expand_builtin): Likewise.
5868 * rtl.h (global_rtl): Add cfa entry.
5869 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5870 (LAST_VIRTUAL_REGISTER): Update.
5871 * emit-rtl.c (global_rtl): Add cfa entry.
5872 (init_emit): Initialize it.
5873 * function.c (cfa_offset): New.
5874 (instantiate_virtual_regs): Initialize it.
5875 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5876 (expand_function_end): Call expand_eh_return.
5877 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5879 * except.c (current_function_eh_stub_label): Kill.
5880 (current_function_eh_old_stub_label): Likwise; update all references.
5881 (expand_builtin_set_return_addr_reg): Kill.
5882 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5883 (expand_builtin_set_eh_regs): Kill.
5884 (eh_regs): Produce a third reg for the actual handler address.
5885 (eh_return_context, eh_return_stack_adjust): New.
5886 (eh_return_handler, eh_return_stub_label): New.
5887 (init_eh_for_function): Initialize them.
5888 (expand_builtin_eh_return, expand_eh_return): New.
5889 * except.h: Update prototypes.
5890 * flow.c (find_basic_blocks_1): Update references to the stub label.
5891 * function.h (struct function): Kill stub label elements.
5893 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5894 register number is one that would be in the previous window.
5895 Provide a dummy definition for non-windowed targets.
5896 (get_reg_addr): New function.
5897 (get_reg, put_reg, copy_reg): Use it.
5898 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5899 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5901 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5902 (alpha_init_expanders): Initialize it.
5903 (alpha_expand_epilogue): Use it.
5904 * alpha.h: Declare it.
5905 * alpha.md (eh_epilogue): New.
5907 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5908 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5910 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5912 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5915 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5917 * except.h (struct eh_entry): Add false_label field.
5918 (end_catch_handler): Add prototype.
5919 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5920 (start_catch_handler): When using old style exceptions, issue
5921 runtime typematch code before continuing with the handler.
5922 (end_catch_handler): New function, generates label after handler
5923 if needed by older style exceptions.
5924 (expand_start_all_catch): No need to check for new style exceptions.
5925 (output_exception_table_entry): Only output the first handler label
5926 for old style exceptions.
5927 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5928 mechanism into one function, if a runtime matcher is provided.
5930 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5932 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5934 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5936 * integrate.c (copy_decl_list): Fix typo.
5938 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5940 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5943 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5945 * version.c: Bump for snapshot.
5947 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5949 * version.c: Bump for snapshot.
5951 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5953 * version.c: Bump for snapshot.
5955 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5957 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5959 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5961 * configure.in: remove usage of `!' to negate the result of a
5962 command; some common shells do not support it
5964 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5966 * configure.in: in sparc9-sol2 config, use 'if test' not
5968 * configure: Rebuilt.
5970 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5972 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5973 (CPP_CPU_DEFAULT_SPEC): Likewise.
5974 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5975 for arch64 libfuncs.
5977 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5980 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5982 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5984 * collect2.c: Don't declare `sys_siglist' here.
5985 (my_strsignal): Prototype and define new function. Use it in
5986 place of `sys_siglist' hacks.
5988 * mips_tfile.c: Likewise.
5990 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5991 (GCC_NEED_DECLARATIONS): Likewise.
5993 * system.h (strsignal): Prototype it, if necessary.
5994 (sys_siglist): Declare it, if necessary.
5996 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5998 * loop.c (move_movables): While removing insn sequences, preserve
5999 the next pointer of the most recently deleted insn when we skip
6002 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6004 * objc/config-lang.in: Do not output the name of the selected
6005 thread file when building the front-end. The Makefile for the
6006 runtime library will do this.
6008 * objc/Make-lang.in: Do not build the runtime library or install
6009 the Objective C header files. The Makefile for the runtime
6010 library will do this.
6012 * objc/Makefile.in (all.indirect): Only build the front-end.
6013 (compiler): Rename to `frontend'.
6014 (obj-runtime): Remove target.
6015 (copy-headers): Likewise.
6016 (clean): No need to remove `libobjc.a' any longer.
6018 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6020 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6021 supported with -mcpu=xxx.
6023 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6025 * flow.c (mark_set_1): Recognize multi-register structure return
6026 values in CALL insns.
6027 (mark_used_regs): Likewise.
6028 (count_reg_sets_1): Likewise.
6029 (count_reg_references): Likewise.
6030 * rtlanal.c (note_stores): Likewise.
6031 (reg_overlap_mentioned_p): Likewise.
6032 * haifa-sched.c (check_live_1): Likewise.
6033 (update_live_1): Likewise.
6034 (sched_analyze_1): Likewise.
6035 (sched_note_set): Likewise.
6036 (birthing_insn_p): Likewise.
6037 (attach_deaths): Likewise.
6039 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6042 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6044 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6046 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6048 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6050 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6052 * configure.in: Add check for GAS subsection -1 support.
6053 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6054 * configure config.in: Rebuilt.
6055 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6056 SImode is subsection -1 works, else use DImode.
6057 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6058 subsection -1 works.
6059 * config/sparc/sparc.c (sparc_output_addr_vec,
6060 sparc_output_addr_diff_vec): Use them if defined.
6062 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6064 * tree.h (DECL_ORIGIN): New macro.
6065 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6066 (copy_decl_list): Use it.
6067 (integrate_parm_decls): Likewise.
6068 (integrate_decl_tree): Likewise.
6069 * dwarf2out.c (decl_ultimate_origin): Simplify.
6070 * dwarfout.c (decl_ultimate_origin): Likewise.
6071 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6072 (pushdecl): Likewise.
6074 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6076 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6078 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6080 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6082 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6084 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6085 empty or has a single entry.
6087 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6088 before calling reg_to_stack.
6090 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6092 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6093 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6095 * c-tree.h (warn_long_long): Declare it.
6097 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6099 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6100 initialized float-int union if the value is a NaN.
6102 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6104 * c-lex.c (real_yylex): Don't warn about long long constants if
6105 we're allowing long long
6107 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6109 * except.h (current_function_eh_stub_label): Declare.
6110 (current_function_eh_old_stub_label): Declare.
6111 * function.h (struct function): New members eh_stub_label and
6113 * except.c (current_function_eh_stub_label): New variable.
6114 (current_function_eh_old_stub_label): New variable.
6115 (init_eh_for_function): Clear them.
6116 (save_eh_status): Save them.
6117 (restore_eh_status): Restore them.
6118 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6119 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6120 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6121 make an edge from the block that contains it to the block starting
6122 with the label if this label is one of the eh stub labels.
6123 If eh stub labels exist, show they are reachable from the last block
6126 * reload1.c (reload): Break out several subroutines and make some
6128 (calculate_needs_all_insns): New function, broken out of reload.
6129 (calculate_needs): Likewise.
6130 (find_reload_regs): Likewise.
6131 (find_group): Likewise.
6132 (find_tworeg_group): Likewise.
6133 (something_needs_reloads): New global variable, formerly in reload.
6134 (something_needs_elimination): Likewise.
6135 (caller_save_spill_class): Likewise.
6136 (caller_save_group_size): Likewise.
6137 (max_needs): Likewise.
6138 (group_size): Likewise.
6139 (max_groups): Likewise.
6140 (max_nongroups): Likewise.
6141 (group_mode): Likewise.
6142 (max_needs_insn): Likewise.
6143 (max_groups_insn): Likewise.
6144 (max_nongroups_insn): Likewise.
6145 (failure): Likewise.
6147 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6149 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6151 * loop.c (load_mems): Copy rtx for output mem.
6153 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6155 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6156 mips1 or mips2 either.
6158 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6160 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6162 (pa_adjust_insn_length): Update to work with new marking scheme
6163 for jumps inside switch tables.
6164 * pa.md (switch_jump): Remove pattern.
6165 (jump): Handle jumps inside jump tables.
6167 * Makefile.in (profile.o): Depend on insn-config.h
6169 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6171 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6173 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6175 Add preliminary native sparcv9 Solaris support.
6176 * configure.in: Recognize sparv9-*-solaris2*
6177 * configure: rebuilt
6178 * config.sub: Recognize sparcv9 just like sparc64.
6179 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6180 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6181 32-bit and 64-bit Solaris systems.
6182 * config/sparc/t-sol2: Assemble those with cpp.
6183 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6184 (*TF*_LIBCALL): If ARCH64 use V9 names.
6185 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6187 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6189 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6190 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6192 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6194 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6195 to Pmode if CASE_VECTOR_MODE is something else.
6197 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6199 * prefix.c (update_path): Correctly handle cases where PATH is
6200 a substring of the builtin prefix, but specifies a different
6203 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6205 * expr.c: Corrected comment about what MOVE_RATIO does.
6206 * config/alpha/alpha.h: Ditto.
6207 * config/1750a/1750a.h: Ditto.
6208 * config/clipper/clipper.h: Ditto.
6209 * config/i386/i386.h: Ditto.
6211 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6213 * configure.in (m68k-next-nextstep3*): Use collect2.
6214 Similarly for x86 NeXT configurations.
6215 * configure: Rebuilt.
6217 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6219 * configure.in: Don't assume srcdir is .../gcc
6220 * configure: Rebuilt.
6222 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6224 * global.c: Update comments.
6225 (global_alloc): Assign allocation-numbers
6226 even for registers allocated by local_alloc in case
6227 they are later spilled and retry_global_alloc is called.
6228 (mark_reg_store, mark_reg_clobber,
6229 mark_reg_conflicts, mark_reg_death): Always record a
6230 conflict with a pseudo register even if it has been
6231 assigned to a hard register.
6232 (dump_conflicts): Don't list pseudo registers already assigned to
6233 a hard register as needing to be allocated, but do list their
6235 * local-alloc.c: Update comment.
6237 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6239 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6240 * configure: Rebuilt.
6242 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6244 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6246 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6247 for all targets that set -msoft-float.
6249 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6251 * toplev.c (print_switch_values): Make static to match prototype.
6253 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6255 * configure.in: If we are unable to find the "gnatbind" program,
6256 then do not configure the ada subdir.
6257 * configure: Rebuilt.
6259 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6261 * version.c: Bump for snapshot.
6263 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6265 * version.c: Bump for snapshot.
6267 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6269 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6270 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6272 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6274 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6276 * genextract.c: Have insn-extract.c include toplev.h.
6278 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6280 * toplev.c: Include expr.h.
6281 (really_sorry, fancy_abort): Remove prototypes.
6282 (set_target_switch): Add argument in prototype.
6283 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6284 (v_really_sorry): Likewise.
6285 (print_version, print_single_switch, print_switch_values): Make
6286 static and add prototype arguments.
6287 (decl_printable_name): Add prototype arguments.
6288 (lang_expand_expr_t): New typedef.
6289 (lang_expand_expr): Declare as a lang_expand_expr_t.
6290 (incomplete_decl_finalize_hook): Add prototype argument.
6291 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6292 (botch): Likewise for variable `s'.
6293 (rest_of_type_compilation): Mark variables `type' and `toplev'
6294 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6295 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6296 (display_help): Make variable `i' an `unsigned long'.
6297 (main): Remove unused parameter `envp'.
6298 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6299 Cast -1 when comparing it with a `size_t'.
6301 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6302 prototype with ATTRIBUTE_NORETURN.
6303 (fatal_insn_not_found, fatal_insn, really_sorry,
6304 push_float_handler, pop_float_handler): Add prototypes.
6305 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6306 (do_abort, botch): Add prototypes.
6308 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6310 * final.c (final): If a label is reached only from a single jump,
6311 call NOTICE_UPDATE_CC on the jump and its predecessor before
6312 emitting the insn after the label.
6314 * i386.h: Add AMD K6 support.
6315 Change TARGET_* macros to use table lookup.
6316 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6317 (ADJUST_COST): Change definition to call function in i386.c.
6318 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6319 * i386.c: Add AMD K6 support.
6320 Add constants for feature tests used by TARGET_* macros.
6321 (split_di): If before reload, call gen_lowpart and gen_highpart.
6322 (x86_adjust_cost): New function.
6323 (put_jump_code): New function.
6324 (print_operand): New codes 'D' and 'd'.
6325 * i386.md: New insn types. New insn attribute "memory".
6326 Redefine scheduling parameters to use new types and add AMD K6
6327 support. Explicitly set type of most insns.
6328 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6329 Pro and K6 prefer movl $1,reg to incl reg.
6330 (adddi3, subdi3): Set cc_status.
6331 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6332 to int; x86 can't have more than 2^31 DImode shifts per file.
6333 (setcc): Combine all setcc patterns. Allow writing memory.
6334 Combine all jump patterns using match_operator.
6335 (*bzero): Name pattern. Emit mutliple stos instructions when that
6336 is faster than rep stos.
6337 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6340 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6342 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6345 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6347 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6348 not whatever we're generating now.
6350 * alpha.c (set_frame_related_p, FRP): New.
6351 (alpha_expand_prologue): Mark frame related insns.
6352 (alpha_expand_epilogue): Likewise, but with a null FRP.
6353 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6354 * alpha.md (exception_receiver): New.
6355 * alpha/crtbegin.asm (.eh_frame): New beginning.
6356 (__do_frame_setup, __do_frame_takedown): New.
6357 * alpha/crtend.asm (.eh_frame): New ending.
6358 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6359 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6360 (ASM_FILE_START): Don't emit .file for dwarf2.
6362 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6363 * rtl.c (reg_note_name): Likewise.
6364 * rtl.texi (REG_NOTES): Likewise.
6365 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6368 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6370 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6371 * i386.md (movsf, movdf, movxf): Validate memory address returned
6372 from force_const_mem. Kill useless REG_EQUAL setting code.
6374 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6376 * m68k.md (zero_extendsidi2): Fix typo.
6378 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6380 * configure.in: Removed references to the removed file
6381 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6382 * arm*-*-netbsd* and ns32k-*-netbsd*.
6383 * config/i386/xm-netbsd.h: Removed unnecessary file.
6384 * config/m68k/xm-netbsd.h: Likewise.
6385 * config/sparc/xm-netbsd.h: Likewise.
6386 * config/mips/xm-netbsd.h: Likewise.
6388 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6390 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6391 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6393 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6394 for exact section attributions.
6396 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6398 * i386/crtdll.h (CPP_PREDEFINES): Define.
6400 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6402 * m68k.md (5200 movqi): Do not allow byte sized memory references
6404 * m68k.c (output_move_qimode): Do not use byte sized operations on
6407 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6408 explicit rules for building. Similarly for alloca, vfprintf,
6409 choose-temp and mkstemp, getopt, getopt1, and obstack.
6410 (INCLUDES): Add $(srcdir)/../include.
6411 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6412 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6414 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6416 * gcc.c (do_spec_1): [case 'o'] Account for
6417 lang_specific_extra_outfiles.
6418 (main): Correctly clear all slots in outfiles for
6419 lang_specific_extra_outfiles. Set input_file_number before
6420 calling lang_specific_pre_link.
6422 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6424 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6426 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6428 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6430 (sparc_output_deferred_case_vectors): If no work to do, return.
6431 Fix thinko in Sept 1 change.
6433 1998-09-03 SL Baur <steve@altair.xemacs.org>
6435 * Makefile.in: add semicolon in BISON definition for portability.
6437 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6439 * config/nextstep.c (handle_pragma): Correct name of third
6442 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6444 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6445 * config/m32r/m32r.h: Make register 17 be fixed.
6446 * config/m32r/m32r.c: Use SImode for cc operations.
6448 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6450 * invoke.texi (Warning Options): Add -Wnon-template-friend
6453 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6455 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6457 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6459 * rs6000.md (movsf): Disable explicit secondary-reload-like
6460 functionality if TARGET_POWERPC64.
6461 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6464 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6466 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6467 and term.h from fixinc.wrap.
6469 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6471 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6472 safe to include both string.h and strings.h together.
6473 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6474 which headers to search for function declarations. Continue to
6475 prefer string.h over strings.h when both are not acceptable.
6477 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6479 * configure.in: Call GCC_HEADER_STRING.
6481 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6482 to include. Continue to prefer string.h over strings.h when both
6485 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6487 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6488 not assume top 32-bits of symbolic addresses are zero if
6491 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6493 * ginclude/va-alpha.h: Protect entire second portion of the
6494 file against double inclusion.
6496 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6498 Added support for the Boehm's garbage collector.
6499 * configure.in: Handle --enable-objc-gc.
6500 * configure: Rebuilt.
6501 * Makefile.in (CHECK_TARGETS): Add check-objc.
6502 (check-objc): New rule.
6503 * objc/Make-lang.in: Build a different Objective-C library that
6504 runs with the Boehm's collector.
6505 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6506 * objc/encoding.c: Correctly compute the size of compound types in
6507 the presence of bitfields. Skip the variable name of the type if
6508 any. Added support for long long.
6509 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6510 (_F_GCINVISIBLE): New mask.
6511 * objc/gc.c: New file. Compute the type memory mask associated with
6512 a class based on the runtime information.
6513 * objc/misc.c: Added the hooks that use the Boehm's collector
6514 allocation functions.
6515 * objc/objc-act.c (build_class_template): Generate a new class
6516 member (gc_object_type) to hold the class' type memory mask.
6517 (build_shared_structure_initializer): Initialize the new member to
6519 (encode_complete_bitfield): New function. Generate the new
6521 (encode_field_decl): Generate the new encoding only for the GNU
6523 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6525 (class_get_gc_object_type): New function to mark a pointer instance
6526 variable as a weak pointer.
6527 * objc/objc-features.texi: New file.
6528 * objc/objc.h (gc_object_type): New class member.
6529 * objc/objects.c (class_create_instance): Create a typed memory
6530 object when compiled with Boehm's collector support.
6531 * objc/sendmsg.c (__objc_init_install_dtable): Call
6532 __objc_send_initialize instead of setting the initialize flag.
6533 (__objc_send_initialize): Call __objc_generate_gc_type_description
6534 to generate the class type memory mask. Rewrite the code that
6535 sends the +initialize so that it is called only once (bug report
6536 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6537 * testsuite/objc: New testsuite for Objective-C type encoding.
6538 * testsuite/lib/objc-torture.exp: New file.
6539 * testsuite/lib/objc.exp: New file.
6541 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6543 * jump.c (jump_optimize): In if/then/else transformations, add
6544 another call to modified_between_p for the jump insn.
6546 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6548 * fix-header.c (symlink): Treat like readlink.
6550 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6552 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6555 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6557 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6558 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6559 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6561 * config/nextstep.c (handle_pragma): Take three arguments, as per
6562 the new HANDLE_PRAGMA macro specification.
6563 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6564 per the new HANDLE_PRAGMA macro specification.
6565 * config/i960/i960.c (process_pragma): Take three arguments, as
6566 per the new HANDLE_PRAGMA macro specification.
6568 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6570 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6571 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6572 if unknown pragmas are encountered.
6573 (handle_sysv_pragma): Interpret return code from
6574 handle_pragma_token (). Return success/failure indication rather
6575 than next unprocessed character.
6576 (pragma_getc): New function: retrieves characters from the
6577 input stream. Defined when HANDLE_PRAGMA is enabled.
6578 (pragma_ungetc): New function: replaces characters back into the
6579 input stream. Defined when HANDLE_PRAGMA is enabled.
6581 * c-pragma.c (handle_pragma_token): Return success/failure status
6584 * c-pragma.h: Change prototype of handle_pragma_token().
6586 * varasm.c: (handle_pragma_weak): Only create this function if
6587 HANDLE_PRAGMA_WEAK is defined.
6589 * c-common,c (decl_attributes): If defined call the expression
6590 contained within the INSERT_ATTRIBUTES macro before adding
6591 attributes to a decl.
6593 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6594 HANDLE_PRAGMA, which takes three arguments.
6595 (INSERT_ATTRIBUTES): Document this new macro.
6597 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6598 new INSERT_ATTRIBUTES macro.
6600 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6602 * config/sparc/sparc.md (movdf): Only generate special RTL for
6603 LABEL_REFs when PIC.
6604 (move_label_di): Remove
6605 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6606 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6607 references when PIC.
6608 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6609 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6610 output an .xword for all 64-bit cases.
6612 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6614 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6615 alignment, use FUNCTION_BOUNDARY instead.
6616 (sparc_output_deferred_case_vectors): Likewise.
6618 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6620 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6621 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6623 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6625 * alpha/va_list.h: New file.
6626 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6628 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6630 * NEWS: Add SCO Openserver and Unixware 7 notes.
6634 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6636 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6637 (record_constant_1): Handle RANGE_EXPR.
6639 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6641 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6642 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6643 and NOTE_INSN_RANGE_END specially.
6644 (reemit_notes): Likewise.
6646 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6648 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6649 (ultrasparc_sched_init): Remove unneeded &.
6651 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6653 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6654 for m68020-60, to prevent the use of fintrz.
6656 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6658 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6660 * Makefile.in: Likewise.
6661 * configure: Regenerated.
6663 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6665 * configure.in (gxx_include_dir): Changed to
6666 '${prefix}/include/g++'-${libstdcxx_interface}.
6667 * configure: Rebuilt.
6669 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6671 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6673 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6674 *sequences* *below* which scalar moves will be used.
6676 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6678 * collect2.c (mktemp): Delete unused declaration.
6680 * config/xm-netbsd.h: Remove unnecessary file.
6681 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6682 file anymore, it is not needed.
6684 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6686 * convert.c (convert_to_integer): Issue an error on conversions to
6689 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6691 * Makefile.in: Add lang_tree_files and gencheck.h.
6692 * configure.in: Generate them.
6693 * gencheck.c: Include gencheck.h.
6695 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6697 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6698 movdi_lo_sum_pic and movdi_high_pic and make visible.
6699 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6700 emit these when Pmode is not SImode.
6701 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6703 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6705 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6706 .linkonce directive after the first time.
6708 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6710 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6711 the clobbered operand overlaps with an input.
6712 (bne0_di): Similarly.
6714 * Makefile.in (INSTALL): Remove "--no-header" argument.
6716 * NEWS: Various updates.
6718 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6720 * config/sparc/sparc.c (arith_operand, const64_operand,
6721 const64_high_operand, arith_double_4096_operand): Mark mode as
6723 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6725 (sparc_emit_set_const64): Remove unused variable i.
6726 (sparc_splitdi_legitimate): Likewise for addr_part.
6727 (ultra_code_from_mask): Likewise for mask.
6728 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6729 reverse return values so it matches usage and comments.
6730 (ultra_flush_pipeline): Likewise.
6731 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6732 this_type, and allow loads and stores of differing FP modes as
6733 they do not create a conflict.
6734 (ultra_find_type): Initialize fpmode to SFmode, fix
6735 parenthesization thinkos in large conditional.
6736 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6737 Init free_slot_mask after ultra_cur_hist is reset, not before.
6738 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6739 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6740 use ultra_flush_pipeline instead, then re-init group pointer.
6741 Fix statement with no effect. If no progress made in, and no
6742 instructions scheduled at all, advance to new pipeline cycle else
6743 we get into an endless loop.
6744 (ultrasparc_adjust_cost): Remove previous arg.
6745 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6747 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6749 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6750 code. Use reg_overlap_mentioned_p to detect when source and
6751 destination overlap.
6752 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6754 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6756 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6757 COMPARISON_VAL, into invariant_p.
6759 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6761 * regmove.c (regclass_compatible_p): New function.
6762 (regmove_optimize): Use it.
6764 Use NREGS parameter insted of calling max_reg_num.
6766 (fixup_match_1): Don't use code = MINUS when later tieing with
6767 a hard register is likely.
6769 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6771 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6772 COMPARISON_VAL was normalized.
6774 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6776 * loop.c (check_dbra_loop): The loop ending comparison value
6777 must be an invariant or we can not reverse the loop.
6779 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6780 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6782 (load_mems_and_recount_loop_regs_set): Likewise.
6784 * i386.c (print_operand): Remove obsolete 'c' docs.
6786 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6788 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6789 * frame.c (init_object_mutex): New function.
6790 (init_object_mutex_once): Likewise.
6791 (find_fde): Call it.
6792 (__register_frame_info): Likewise.
6793 (__register_frame_info_table): Likewise.
6794 (__deregister_frame_info): Likewise.
6796 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6798 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6800 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6802 * loop.c (check_dbra_loop): Enable code for reversal
6803 of some loops without a known constant loop end.
6805 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6807 * haifa-sched.c (last_clock_var): New.
6808 (schedule_block): Initialize it.
6809 (schedule_insn): Use it to fill insn modes with issue information.
6811 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6812 Tag trapb and next insn with TImode.
6813 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6814 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6815 Invoke alphaev5_align_insns as appropriate.
6816 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6817 (MD_SCHED_VARIABLE_ISSUE): New.
6818 * alpha.md (attr type): Add multi.
6819 (define_asm_attributes): New.
6820 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6821 (arg_home): Likewise.
6822 (fnop, unop, realign): New.
6824 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6826 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6827 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6829 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6830 (rs6000-ibm-aix4.[12]*): Likewise.
6831 * configure: Regnerate.
6833 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6835 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6836 already contains the return address.
6838 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6840 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6841 word sized hunks when loading unaligned args into registers.
6843 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6844 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6846 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6848 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6850 * loop.c (check_dbra_loop): Add some code that would allow reversal
6851 of some loops without a known constant loop end if it were enabled.
6853 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6855 * mips.md (lshrsi3_internal2+2): Fix type-o.
6857 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6859 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6860 correctly with regards to stdio.h.
6862 * calls.c: Remove stdarg.h/varargs.h.
6865 * combine.c: Likewise.
6866 * cpperror.c: Likewise.
6867 * cpplib.c: Likewise.
6868 * cpplib.h: Likewise.
6869 * doprint.c: Likewise.
6870 * emit-rtl.c: Likewise.
6871 * final.c: Likewise.
6872 * fix-header.c: Likewise.
6874 * genattr.c: Likewise.
6875 * genattrtab.c: Likewise.
6876 * gencodes.c: Likewise.
6877 * genconfig.c: Likewise.
6878 * genemit.c: Likewise.
6879 * genextract.c: Likewise.
6880 * genflags.c: Likewise.
6881 * genopinit.c: Likewise.
6882 * genoutput.c: Likewise.
6883 * genpeep.c: Likewise.
6884 * genrecog.c: Likewise.
6885 * mips-tfile.c: Likewise.
6886 * prefix.c: Likewise.
6887 * protoize.c: Likewise.
6888 * regmove.c: Likewise.
6889 * toplev.c: Likewise.
6892 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6894 * config/sparc/sparc.c (sparc_override_options): If not
6895 TARGET_FPU, turn off TARGET_VIS.
6896 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6897 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6898 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6899 (movdi_insn_sp64): Add VIS fzero alternative.
6900 (clear_sf, clear_df): New VIS patterns.
6901 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6903 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6905 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6907 * loop.c (n_times_set, n_times_used, may_not_optimize,
6908 reg_single_usage): Convert to varrays. All uses changed.
6909 (insert_loop_mem): Return a value.
6910 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6911 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6914 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6917 * configure.in: Do not set thread_file to "irix" since no such
6920 * sparc.md (float abs/neg splits): Check reload_completed before
6921 calling alter_subreg.
6923 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6925 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6927 * config/sparc/sparc.h: Declare it.
6928 * config/sparc/sparc.md (float abs/neg splits): Use it.
6929 (all other splits): Handle SUBREGs properly where necessary.
6930 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6932 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6934 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6935 an insn on the unfilled_slots_list that has no delay slots.
6936 (fill_eager_delay_slots): Similarly.
6938 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6940 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6941 as an ordinary operand.
6943 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6945 * tree.c (valid_machine_attribute): Don't apply attributes to both
6948 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6950 * reload.c (operands_match_p): Handle rtvecs.
6952 * i386.c (legitimate_pic_address_disp_p): New.
6953 (legitimate_address_p): Use it.
6954 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6955 Handle constant pool symbols just like statics.
6956 (emit_pic_move): Use Pmode not SImode for clarity.
6957 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6958 [UNSPEC]: New, handling what we killed above.
6959 [PLUS]: Detect and abort on invalid symbol arithmetic.
6960 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6962 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6964 * alias.c: Include output.h.
6965 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6966 different if we're in a varargs function.
6967 * Makefile.in (alias.o): Depend on output.h
6969 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6971 * sh.h (GIV_SORT_CRITERION): Delete.
6973 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6975 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6976 * stupid.c (stupid_life_analysis): Ditto.
6977 * reload1.c (reload): Ditto.
6979 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6981 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6982 arith_double_4096_operand, arith_double_add_operand): New
6984 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6985 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6986 them to transform add/sub 4096 into add/sub -4096.
6988 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6990 * loop.c (scan_loop): Allocate some slop to handle pseudos
6991 generated by move_movables.
6992 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6995 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6997 * tree.def (DECL_RESULT): Correct documentation.
6999 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7001 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7002 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7003 conflicts will all RELOAD_FOR_OUTPUT reloads.
7005 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7006 loads the function result, substitute with a USE.
7008 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7010 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7011 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7012 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7013 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7014 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7015 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7017 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7018 'o' to 'm' for GPR variant constraints.
7020 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7022 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7024 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7026 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7027 when the source and destination overlap.
7029 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7030 clash with global type.
7032 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7034 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7036 * c-common.c (combine_strings): Also set TREE_READONLY.
7037 Change warn_write_strings to flag_const_strings.
7038 * c-decl.c, c-tree.h: Likewise.
7040 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7042 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7043 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7044 sequence, use SET/IOR instead so CSE can see it.
7045 * config/sparc/sparc.md (movhi_const64_special,
7046 movsi_const64_special): New patterns necessitated by that change.
7047 (movhi_high): Remove.
7048 (movhi_lo_sum): Change to match an IOR.
7049 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7050 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7051 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7052 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7053 registers are involved.
7054 (snesi_zero_extend split): Remove reload_completed test.
7055 (unnamed plus and minus zero_extend sidi splits): Add it.
7057 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7059 * extend.texi: Remove description of extension to explicit
7060 instantiation that is now endorsed by standard C++.
7062 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7064 * config/arc/arc.c (arc_initialize_pic): Remove.
7065 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7066 nothing on any platform and is invoked by no-one, it does not even
7067 appear in the documentation.
7068 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7069 * config/sparc/sparc.c (initialize_pic): Likewise.
7070 (find_addr_reg): Remove this as well, no longer referenced after
7073 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7075 * recog.c (validate_replace_rtx_group): New function.
7076 * recog.h (validate_replace_rtx_group): Declare it.
7077 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7078 the entire group of substitutions.
7080 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7082 * loop.c (load_mems): Fix initializers.
7084 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7086 * config/sparc/sparc.md (TFmode splits): Handle destination
7087 registers being referenced in the address correctly.
7089 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7090 TREE_UNSIGNED, when bitsize of type's mode is larger than
7091 HOST_BITS_PER_WIDE_INT.
7093 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7095 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7096 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7097 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7099 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7102 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7104 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7105 * h8300.h (TINY_DATA_NAME_P): Likewise.
7106 (STRIP_NAME_ENCODING): Handle '&'.
7108 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7109 register (it could be accessed via an outer SUBREG).
7110 (REG_OK_FOR_BASE_P): Likewwise.
7111 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7113 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7116 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7118 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7120 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7121 must be offsettable so the splits can be made.
7123 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7125 * config/i386/winnt.c: Include system.h, not stdio.h to get
7126 sys/param.h pulled in before rtl.h in case the system defines MIN
7129 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7131 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7133 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7135 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7137 * cpplib.c (cpp_define): Handle macros with parameters.
7139 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7141 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7142 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7143 and DImode 64-bit. Use llong for minimal-toc SFmode and
7144 SYMBOL_REF / LABEL_REF 64-bit.
7145 (output_function_profiler): Use llong for profiler label and ld to
7146 load 64-bit label address.
7148 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7150 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7153 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7155 * version.c: Bump for snapshot.
7157 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7159 * version.c: Bump for snapshot.
7161 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7163 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7165 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7167 * tm.texi (Misc): Fix typo "teh".
7169 * tm.texi (PIC): Fix typo "PPIC".
7171 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7172 effect when -O2 and higher.
7173 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7175 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7177 * regclass.c: Changed register set documentation to be consistent
7180 * final.c (final_start_function) Removed redundant test for
7183 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7185 * rtl.h (rtx_function): New type.
7186 (for_each_rtx): New function.
7187 * rtlanal.c (for_each_rtx): Define it.
7189 * recog.c (change_t): New type.
7190 (change_objects, change_old_codes, change_locs, change_olds):
7192 (changes): New variable.
7193 (validate_change): Dynamically allocate room for more changes, if
7194 necessary. Uses changes array instead of change_objects, etc.
7195 (apply_change_group): Use changes array instead of
7196 change_objects, etc.
7198 * loop.c (loop_mem_info): New type.
7199 (loop_mems): New variable.
7200 (loop_mems_idx): Likewise.
7201 (looop_mems_allocated): Likewise.
7202 (scan_loop): Remove nregs parameter.
7203 (next_insn_in_loop): New function.
7204 (load_mems_and_recount_loop_regs_set): Likewise.
7205 (load_mems): Likewise.
7206 (insert_loop_mem): Likewise.
7207 (replace_loop_mem): Likewise.
7208 (replace_label): Likewise.
7209 (INSN_IN_RANGE_P): New macro.
7210 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7211 (scan_loop): Remove nregs parameter, compute it after any new
7212 registers are created by load_mems. Use INSN_IN_RANGE_P and
7213 next_insn_in_loop rather than expanding them inline. Call
7214 load_mems to load memory into pseudos, if appropriate.
7215 (prescan_loop): Figure out whether or not there are jumps from the
7216 loop to targets other than the label immediately following the
7217 loop. Call insert_loop_mem to notice all the MEMs used in the
7218 loop, if it could be safe to pull MEMs into REGs for the duration
7220 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7222 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7224 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7226 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7228 * config/sparc/sparc.c (finalize_pic): Check for the correct
7229 nonlocal_goto_receiver UNSPEC number.
7230 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7231 making note of this dependency existing in sparc.c
7232 (negtf2_notv9 split): Give NEG SFmode.
7233 (negsf2): Fix insn output string.
7235 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7237 * c-common.c (decl_attributes): Issue an error if the argument
7238 to alias is not a string.
7240 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7242 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7243 pending memory flush list.
7245 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7247 (try_combine): Allow combining insns with REG_LIBCALL notes.
7249 * expr.c (emit_block_move): Do not call memcpy as a libcall
7250 instead build up a CALL_EXPR and call it like any other
7252 (clear_storage): Similarly for memset.
7254 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7257 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7260 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7261 and REG_LIVE_LENGTH as successful substitutions are made.
7263 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7265 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7266 statement after end of loop label.
7268 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7270 * config/sparc/sparc.c (ultra_types_avail): New variable.
7271 (ultra_build_types_avail): New function to record mask of insn
7272 types in ready list at this cycle.
7273 (ultrasparc_sched_reorder): Call it.
7274 (ultra_find_type): Use it to quicken the search. Also simplif
7275 dependency check, don't use rtx_equal_p because we know exactly
7276 what we are looking for.
7278 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7280 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7281 for architecture v4.
7283 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7285 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7287 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7288 movdf_const_intreg and helper splits): New patterns to move float
7289 constants into integer registers.
7290 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7293 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7296 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7298 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7300 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7301 a BASE_REGS register is needed as an intermediate when copying
7302 a symbolic value into any register class other than BASE_REGS.
7304 * expr.c (move_by_pieces): No longer static. Remove prototype.
7305 * rtl.h (move_by_pieces): Add extern prototype.
7306 * mips.c (expand_block_move): Handle aligned straight line copy by
7307 calling move_by_pieces.
7309 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7312 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7314 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7315 jumps out of the loop to be treated as part of the exit test.
7317 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7318 Jeff Law <law@cygnus.com>
7320 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7321 * cplus-dem.c: Delete.
7323 * Makefile.in (fold-const.o): depend on $(RTL_H).
7325 * fold-const.c: Include rtl.h to get the prototype for
7326 `set_identifier_local_value'.
7328 * loop.c (express_from_1): Remove unused variable `tmp'.
7329 (combine_givs): cast the first argument of bzero to char *.
7331 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7333 * c-decl.c (init_decl_processing): Remove unneeded &.
7335 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7337 * except.c (set_exception_lang_code, set_exception_version_code):
7338 Change parameter from `short' to `int' to avoid using a gcc
7341 * except.h (set_exception_lang_code, set_exception_version_code):
7342 Likewise for prototypes.
7344 * flow.c (count_reg_references): Remove unused variables `regno'
7347 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7349 * prefix.c (translate_name): Cast the result of `alloca'.
7351 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7353 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7355 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7357 (valid_dbcc_comparison_p): Mark mode argument as unused.
7358 (symbolic_operand): Likewise.
7359 (legitimize_pic_address): Likewise.
7360 (const_uint32_operand): Likewise.
7361 (const_sint32_operand): Likewise.
7362 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7363 schedule_insns and comment out rest of file.
7365 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7367 (output_move_[hq]imode): Likewise.
7369 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7371 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7372 * invoke.texi: Corresponding changes.
7374 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7376 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7378 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7380 * config/sparc/sparc.c (ultra_code_from_mask,
7381 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7382 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7383 ultrasparc_sched_init, ultrasparc_variable_issue,
7384 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7385 functions to describe UltraSPARC pipeline exactly to Haifa.
7386 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7387 as there is nothing the scheduler can do about it. Indicate that
7388 REG_DEP_OUTPUT's collide. Fixup formatting.
7389 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7390 divide costs on Ultra for DImode.
7391 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7393 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7394 ieuN and add call_no_delay_slot to type list.
7395 (cti function unit): New unit for branches on UltraSPARC.
7396 (subx/addx insns): Set type to misc.
7397 (sidi zero/sign extension insns on arch64): Set type to shift.
7398 (sign_extendhidi2_insn): Set type to sload.
7400 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7402 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7403 (output_epilog): Use if != 0 for offset.
7404 (rs6000_fatal_bad_address): Prepare for Intl.
7405 * rs6000.h (rs6000_fatal_bad_address): Declare.
7406 * rs6000.md (movsfcc, movdfcc): Use else if.
7407 (elf_high): Use {liu|lis}.
7408 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7409 (movsi): Use rs6000_fatal_bad_address.
7411 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7413 * reload.c (find_equiv_reg): Reject equivalences separated
7414 by a volatile instruction.
7416 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7418 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7420 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7422 * alpha.md (movsicc): Fix mode mismatch.
7424 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7426 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7428 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7430 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7432 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7433 write-only modifier from operand 1 constraint.
7435 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7437 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7438 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7440 (sparc_emit_set_const64): Likewise, also when computing trailing
7441 bits do not negate low_bits and make fast_int an int.
7443 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7445 * loop.c (add_label_notes): Do not ignore references to labels
7446 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7447 * gcse.c (add_label_notes): Similarly.
7449 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7451 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7452 (adddi_dishl32): Similarly.
7454 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7456 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7457 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7458 * cse.c (cse_basic_block): Add parens to shut up warnings.
7460 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7462 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7463 sparc_emit_set_const64_longway, const64_is_2insns,
7464 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7465 in 64-bit constant formation.
7466 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7467 rtl for addx not subx.
7468 (define_insn movdi_const64_special): Make available even when
7469 HOST_BITS_PER_WIDE_INT is not 64.
7470 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7471 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7472 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7473 instances of operand 1 inside a QI subreg.
7474 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7475 (one_cmpldi2_sp64): Fix output string.
7476 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7478 (unnamed arch64 ashift DI): Truncate shift count if greater than
7481 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7483 * expr.c (store_expr): Don't optimize away load-store pair
7484 when either source or destination have a side effect.
7486 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7488 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7489 operands of SET are incompatible.
7491 * alpha.md: Fix max and min patterns so modes of SET operands match.
7493 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7495 * configure.in: Avoid [[ by using test and changequote.
7496 * configure: Rebuild.
7498 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7500 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7502 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7503 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7504 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7505 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7506 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7507 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7508 Fix mismatching modes in SET operands.
7509 (conditional move patterns): Fix formatting.
7510 (unnamed subx arch64 pattern): Remove duplicate insn.
7512 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7514 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7515 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7516 (input_operand): Fixup test for what we accept for constant
7518 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7520 (safe_constDI): Remove.
7521 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7522 gen_safe_XOR64): New functions.
7523 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7524 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7526 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7527 available when HOST_BITS_PER_WIDE_INT is not 64.
7528 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7529 move before movdi_insn_sp64 pattern.
7530 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7531 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7532 symbolic_operand as predicate for second operand.
7533 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7534 expander): Give set VOIDmode.
7536 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7538 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7540 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7542 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7544 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7546 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7548 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7550 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7552 * install.texi: Various SCO OpenServer tweaks.
7554 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7556 * reload1.c (eliminate_regs_in_insn): Handle another case when
7557 eliminating the frame pointer to the hard frame pointer. Add
7558 missing ep->to_rtx check to one existing case.
7560 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7562 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7564 * tree.h: De-conditionalize init_priority code.
7566 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7567 * collect2.c (NM_FLAGS): Change from -p to -n.
7569 * configure.in: Turn on collect2 for mipstx39-elf.
7570 Handle use_collect2=no properly.
7572 * c-common.c: De-conditionalize init_priority code.
7573 * collect2.c (extract_init_priority, sort_ids): New fns.
7574 (main): Call sort_ids.
7575 Move sequence_number to file scope.
7577 * configure.in: Handle --enable-init-priority.
7578 * c-common.c (attrs): Add A_INIT_PRIORITY.
7579 (init_attributes, decl_attributes): Likewise.
7580 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7581 * tree.c (get_file_function_name_long): Split out...
7582 (get_file_function_name): ...from here.
7584 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7586 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7589 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7591 * toplev.c (display_help): Add braces to shut up warnings.
7592 * tree.c (simple_cst_equal): Likewise.
7594 * fold-const.c (non_lvalue): Don't deal with null pointer
7596 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7598 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7599 of any size to a pointer.
7601 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7603 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7605 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7607 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7608 which will be saved.
7609 * mn10300.md (prologue insn): Only save registers which need saving.
7610 (epilogue insn): Similarly.
7612 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7615 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7617 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7618 VAR_DECL's in gp addressable sections.
7620 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7622 * sparc.c: Change return <exp> to <exp>; return; in functions
7624 * sparc.md: Add empty semicolon statement after final label in
7627 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7629 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7630 addx_extend_sp64, only allow when TARGET_ARCH64.
7631 (define_insn addx_extend_sp32 and split): Version that works when
7633 (define_insn subx_extend): Likewise.
7634 (define_split adddi3 and subdi3 with zero extension): Fixup and
7635 correct bugs when not TARGET_ARCH64.
7637 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7639 * except.c (set_exception_lang_code, set_exception_version_code):
7640 Use prototype-style definition if __STDC__, to match declaration
7643 * genemit.c: Change FAIL and DONE macros not to use loops.
7645 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7647 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7648 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7650 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7652 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7654 * README.g77: Update from Craig.
7656 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7658 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7660 (safe_constDI sparc_emit_set_const64_quick1,
7661 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7662 analyze_64bit_constant, const64_is_2insns,
7663 create_simple_focus_bits): Fix some bugs when compiled on real
7665 (function_arg_record_value_3, function_arg_record_value_2,
7666 function_arg_record_value): Add fully prototyped forward decls.
7667 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7668 to cmpsi_insn and use on both 64 and 32 bit targets.
7669 (define_insn cmpsi_insn_sp64): Remove.
7670 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7671 (define_insn zero_extendsidi2_insn): Rename to
7672 zero_extendsidi2_insn_sp64.
7673 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7674 assosciated forced split for it.
7676 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7678 * config/sparc/sparc.h: Declare them.
7679 (PREDICATE_CODES): Add them.
7680 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7681 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7683 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7685 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7686 in v9 case as the latter makes the Solaris assembler crash.
7688 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7690 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7691 for TFmode when !v9. We require offsettable memory addresses.
7692 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7693 DFmode register number conversions.
7694 * config/sparc/sparc.md (define_split DFmode moves): If register
7695 is a SUBREG do alter_subreg on it before using.
7696 (define_expand movtf): Fixup comment about alignment on v9.
7697 (define_split TFmode moves): Don't use gen_{high,low}part, create
7698 explicit SUBREGs instead.
7700 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7702 * Makefile.in (mbchar.o): Depend on mbchar.c.
7704 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7705 Richard Henderson <rth@cygnus.com>
7707 Rewrite Sparc backend for better code generation and
7708 improved sparc64 support.
7709 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7711 * config/sparc/sysv4.h: Likewise.
7712 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7713 move_operand, v8plus_regcmp_op, emit_move_sequence,
7714 singlemove_string, doublemove_string, mem_aligned_8,
7715 output_move_double, output_move_quad, output_fp_move_double,
7716 move_quad_direction, output_fp_move_quad, output_scc_insn):
7718 (small_int_or_double): New predicate.
7719 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7720 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7721 old pic_{sethi,lo_sum}_si patterns.
7722 (mem_min_alignment): New generic function to replace
7723 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7724 available and can test for arbitrary alignments. All callers
7726 (save_regs, restore_regs, build_big_number,
7727 output_function_prologue, output_cbranch, output_return,
7728 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7729 sparc_flat_output_function_epilogue): Prettify
7731 (output_function_epilogue): Likewise and add code to output
7732 deferred case vectors.
7733 (output_v9branch): Likewise, add new arg INSN and use it to tack
7734 on branch prediction settings. All callers changed.
7735 (print_operand): Likewise and output %l44 for LO_SUMs when
7737 (sparc_splitdi_legitimate): New function to make sure DImode
7738 splits can be run properly when !arch64.
7739 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7740 Reformat example code in comments.
7741 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7742 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7743 of deferred case vectors we need to output.
7744 (sparc_defer_case_vector): Record a case vector.
7745 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7746 sparc_output_deferred_case_vectors): New functions to output them.
7747 (sparc_emit_set_const32): New function to form 32-bit constants in
7748 registers when that requires more than one instruction.
7749 (safe_constDI, sparc_emit_set_const64_quick1,
7750 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7751 analyze_64bit_constant, const64_is_2insns,
7752 create_simple_focus_bits, sparc_emit_set_const64): New functions
7753 which do the same for 64-bit constants when arch64.
7754 (sparc_emit_set_symbolic_const64): New function to emit address
7755 loading for all code models on v9.
7756 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7757 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7758 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7759 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7760 inaccuracies in comments, add symbolic and text_segment operands
7761 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7762 GENERAL_REGS in these cases as a temp REG is needed to load these
7763 addresses into a register properly.
7764 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7766 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7767 quads are guarenteed to have 16-byte alignment.
7768 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7769 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7770 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7771 deferred case vector implementation.
7772 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7773 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7774 Generate "internal label - label" instead of "label - 1b".
7775 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7776 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7777 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7779 (doublemove_string, output_block_move, output_fp_move_double,
7780 output_fp_move_quad, output_move_double, output_move_quad,
7781 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7782 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7783 (sparc_emit_set_const32, sparc_emit_set_const64,
7784 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7785 mem_min_alignment, small_int_or_double): Add externs.
7786 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7787 UNSPEC_VOLATILE in this backend.
7788 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7789 unary to types which execute in it.
7790 (define_function_unit ieu_shift): Rename to ieu0.
7791 (define_function_unit ieu1): New, executes compare, call, and
7792 uncond_branch type insns.
7793 (define_function_units for type fdivs, fdivd, fsqrt): These
7794 execute in the fpu multiply unit not the adder on UltraSparc.
7795 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7796 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7797 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7798 allows the arith_double_operand predicate and rHI constraint when
7800 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7801 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7802 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7803 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7804 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7805 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7806 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7807 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7808 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7809 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7810 sign_extendqihi2_insn, sign_extendqisi2_insn,
7811 sign_extendqidi2_insn, sign_extendhidi2_insn,
7812 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7813 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7814 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7815 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7816 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7817 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7818 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7819 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7820 smulsi3_highpart_v8plus, unnamed subreg mult,
7821 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7822 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7823 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7824 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7825 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7826 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7827 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7828 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7829 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7830 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7831 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7832 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7833 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7834 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7835 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7836 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7837 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7838 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7839 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7840 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7841 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7842 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7843 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7844 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7845 call_address_untyped_struct_value_sp32,
7846 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7847 call_value_symbolic_sp32, call_value_address_sp64,
7848 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7849 flush_register_windows, goto_handler_and_restore,
7850 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7851 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7852 return_addsi, return_di, return_adddi, return_sf, all call+jump
7853 peepholes, trap, unnamed trap insns): Prettify output strings.
7854 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7855 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7856 Likewise and force + implement splits for integer cases.
7857 (define_insn return_sf_no_fpu): Likewise and allow to match when
7858 no-fpu because of our subreg SFmode splits.
7859 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7860 zero_extendqidi2_insn, zero_extendhidi2_insn,
7861 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7862 input_operand for second operand.
7863 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7864 reg_or_0_operand for operand 2 so new splits can use it.
7865 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7866 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7868 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7869 CONST_DOUBLEs for operand 2.
7870 (define_insn move_label_di): Likewise and label distance
7871 optimization because it no longer works with new deferred case
7872 vector scheme. To be revisited.
7873 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7874 and allow reg_or_0_operand and J constraint for second operand.
7875 (define_insn jump): Set branch predict taken on V9.
7876 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7877 new deferred case vector scheme.
7878 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7879 (define_insn negdi2_sp32): Force + implement splits.
7880 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7881 one_cmplsi2_not_liveg0 respectively, and create expander of original
7882 names which emit special rtl for TARGET_LIVE_G0.
7883 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7884 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7885 gen_compare_reg, FAIL instead.
7886 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7887 values when trying to reverse condition codes, if they FAIL then
7889 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7890 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7891 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7892 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7893 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7894 set output string to # to indicate they are mandatory splits.
7895 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7896 pic_sethi_di, move_pic_label_si): Remove.
7897 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7898 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7900 (define_expand movsi_pic_label_ref, define_insn
7901 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7902 expander and insns to handle PIC label references and deferred
7904 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7906 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7907 Rewrite to not use emit_move_sequence, make use of new constant
7908 formation code, and new splits for all multi-insn cases.
7909 (define_insn movqi_insn): Remove sethi case, it can never happen.
7910 Use reg_or_zero_operand instead of const0_rtx explicit test,
7911 use input_operand instead of move_operand for source, and use
7912 general_operand now for dest.
7913 (define_insn movhi_insn): Similar but leave sethi case.
7914 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7915 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7916 movhi_lo_sum respectively, prettify output string.
7917 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7918 register when needed on TARGET_LIVE_G0.
7919 (define_insn movsi_insn): Use general_operand and input_operand
7920 for dest and src respectively. Simplify applicability test.
7921 Prettify output strings, and add clr alternative for J
7923 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7924 deprecated std and reg-reg DI moves): Remove and...
7925 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7926 implementation which uses forced splits for all non-single insn
7928 (define_split DI move cases on !arch64): New splits to handle all
7929 situations of 64-bit double register DImode on 32bit, and
7930 unaligned registers and memory addresses for all subtargets.
7931 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7933 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7934 input_operand for dest and src respectively, prettify output
7936 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7937 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7939 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7940 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7941 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7942 movtf_no_e_insn_sp64) Replace with new
7943 implementation which uses forced splits for all non-single insn
7945 (define_split DF move cases): New splits in similar vein to DI
7947 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7948 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7949 movdi_sp64_insn): Remove old v9 code model and constant loading
7951 (define_insn pic_lo_sum_di, pic_sethi_di,
7952 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7953 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7954 embmedany_sethi, embmedany_losum, embmedany_brsum,
7955 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7956 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7957 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7958 scheme, using unspecs, secondary reloads, and one to one sparc
7959 insn to rtl insn mapping for better scheduling and code gen.
7960 (define_expand reload_indi, reload_outdi): Reload helpers for
7961 MEDANY and EMBMEDANY symbol address loading cases which require a
7963 (define_expand movsicc): Remove v8plus_regcmp cases.
7964 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7965 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7966 cmp_diqi_trunc_set): New patterns used by some of the new scc
7968 (define_insn xordi3_sp64_dbl): New pattern used for constant
7969 formation when crossing from 32-bit targets.
7970 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7972 (define_insn addx, subx): Make visible and prettify.
7973 (define_insn adddi3_insn_sp32): Likewise and force split.
7974 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7975 64bit scc split usage.
7976 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7977 zero_extend, subdi3): Force and implement splits.
7979 * final.c (final_scan_insn): Don't output labels if target
7980 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7983 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7984 don't forget to walk inside SEQUENCESs too as these are what the
7985 delay slot scheduler will create.
7987 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7989 * alpha.md (extxl+1,+2): New patterns to work around
7992 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7994 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7995 caused bad assembly code to be generated.
7997 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7999 * netbsd.h: Fix typo.
8001 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8003 * config.sub: Fix typo.
8005 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8007 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8009 (Running Protoize): Typo: Change "ther" into "other".
8011 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8013 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8014 * m68k/netbsd.h: Likewise.
8015 * ns32k/netbsd.h: Likewise.
8016 * sparc/netbsd.h: Likewise.
8018 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8020 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8021 * ginclude/va-clipper.h (va_list): Likewise.
8023 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8025 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8026 load/store multiple instructions unless user overrides.
8028 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8030 * ns32k/netbsd.h: Fix typo.
8032 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8034 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8035 labels with .debugsym if no parallel insns.
8037 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8039 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8040 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8042 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8044 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8045 (AR_FOR_TARGET): Define.
8047 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8049 * dyn-string.h: New file.
8050 * dyn-string.c: Likewise.
8051 * Makefile.in (OBJS): Add dyn-string.o.
8052 (dwarf2out.o): Add dyn-string.h dependency.
8053 (dyn-string.o): List dependencies.
8054 * dwarf2out.c: Include dyn-string.h.
8055 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8056 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8057 prototype. Use dyn_string_append rather than strcat, throughout.
8058 (addr_to_string): Use dyn_string_t.
8060 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8062 Function entry/exit profiling instrumentation:
8063 * expr.h (profile_function_entry_libfunc,
8064 profile_function_exit_libfunc): Declare new variables.
8065 * optabs.c: Define them here.
8066 (init_optabs): Initialize them.
8067 * tree.h (struct tree_decl): New flag
8068 no_instrument_function_entry_exit.
8069 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8070 * c-decl.c (duplicate_decls): Merge it.
8071 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8072 (init_attributes): Use it for "no_instrument_function".
8073 (decl_attributes): Handle it, for functions that have not yet been
8074 compiled. Set decl flag.
8075 * flags.h (flag_instrument_function_entry_exit): Declare new
8077 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8078 (f_options): New option "instrument-functions".
8079 * function.h (struct function): New field instrument_entry_exit.
8080 * function.c (current_function_instrument_entry_exit): New
8082 (push_function_context_to, pop_function_context_from): Save and
8084 (expand_function_start): Set current_ variable, maybe emit return
8085 label and entry profile call.
8086 (expand_function_end): Maybe emit exit profile call.
8088 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8090 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8091 NON_QI_REG_P, pretend the register is SImode.
8093 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8095 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8096 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8097 manufacturer id for ns32k.
8098 * configure: Regenerated.
8099 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8100 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8101 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8102 * config/m68k/netbsd.h: Same.
8103 * config/ns32k/netbsd.h: Same.
8104 * config/sparc/netbsd.h: Same.
8106 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8108 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8109 or UNROLL_COMPLETELY loop that starts with a jump to its
8112 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8114 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8115 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8116 (print_operand, case 'B'): Don't fall through.
8117 (print_operand, case 'S'): Correct mask begin/end computation.
8118 Use HOST_BITS_PER_WIDE_INT.
8119 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8120 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8121 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8122 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8124 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8126 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8127 constraint from second alternative.
8129 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8131 * configure.in: Fix --without/--disable cases for local-prefix,
8132 gxx-include-dir and checking.
8134 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8136 * configure.in (enable_haifa): Set by default for sparc64 too.
8139 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8141 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8142 * i386/winnt.c (associated_type): New fn.
8143 (i386_pe_valid_type_attribute_p): New fn.
8144 (i386_pe_check_vtable_importexport): Remove.
8145 (i386_pe_dllexport_p): Use associated_type.
8146 (i386_pe_dllimport_p): Likewise.
8148 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8149 * i386.c (i386_valid_type_attribute_p): Also accept
8150 attributes for METHOD_TYPEs.
8152 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8154 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8156 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8158 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8160 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8161 them from generating a new base name for each occurence of
8164 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8166 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8168 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8172 * cplus-dem.c (type_kind_t): New type.
8173 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8174 on this paramter, rather than demangling the type again.
8175 (demangle_integral_value): Pass tk_integral.
8176 (demangle_template_: Pass the value returned from do_type.
8177 (do_type): Return a type_kind_t. Pass tk_integral to
8178 demangle_template_value_parm for array bounds.
8179 (demangle_fund_type): Likewise.
8181 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8183 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8186 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8188 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8190 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8192 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8194 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8197 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8199 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8200 (DEBUGGER_ARG_OFFSET): Likewise.
8202 * mn10300.md (movsf): Remove last change. Not needed.
8204 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8206 * c-lex.c (yylex): Fix boundary conditions in character literal and
8207 string literal loops.
8209 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8211 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8212 being invoked incorrectly.
8214 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8215 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8217 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8218 * configure.in: Added i[34567]86-*-win32
8219 * config.sub: Ditto.
8220 * configure: Rebuilt.
8222 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8224 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8225 the frame pointer and compiling PIC code and reload has not completed.
8227 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8230 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8232 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8234 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8236 * Makefile.in (install-info): Only try to update the info
8237 directory file if it exists in the first place.
8239 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8241 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8243 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8245 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8246 CONST_DOUBLE source.
8248 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8250 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8251 strings as the insertion of USER_LABEL_PREFIX.
8252 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8254 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8257 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8259 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8260 already defined type.
8262 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8264 * expr.c (check_max_integer_computation_mode): Allow conversions
8265 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8266 (expand_expr): Likewise.
8268 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8270 * expr.c (expand_expr): Expand RETURN_EXPR.
8272 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8274 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8276 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8278 * dwarf2out.c (output_aranges): Call stripattributes
8279 for TEXT_SECTION references.
8280 (output_line_info): Likewise.
8282 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8284 * profile.c (branch_prob): Call allocate_reg_info after outputting
8285 profile rtl in instrument_arcs.
8287 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8289 * fixinc.irix (math.h): Install wrapper instead of copying.
8291 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8293 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8294 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8295 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8296 lang_flag_0. Added documentation in the flag table.
8298 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8300 * cccp.c (do_include): Fix vax c style include handling.
8302 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8304 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8306 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8308 * fold-const.c (non_lvalue): Don't deal with null pointer
8310 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8312 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8314 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8315 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8316 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8317 (u_short_cint_operand): Same.
8318 (reg_or_cint_operand): Same.
8319 (logical_operand): Same.
8320 (input_operand): Same.
8321 (reg_or_short_operand): Use u_short_cint_operand.
8323 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8325 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8326 but keep the insns and splits. Adjust so when the ultimate destination
8327 is memory, use cvtql.
8329 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8331 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8333 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8335 * gcc.c (do_spec): Call "error" not "warning".
8337 * configure.in: Fix minor problems with gas feature detection code.
8338 * configure: Rebuilt.
8340 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8343 * gcc.c: Delete %[spec] support.
8344 (do_spec_1, case '('): Likewise.
8345 (do_spec_1, case '['): Call error.
8347 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8349 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8350 (CPP_SUBTARGET_SPEC): Default to empty string.
8351 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8352 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8353 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8354 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8356 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8357 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8358 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8359 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8360 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8361 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8362 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8363 * alpha/vxworks.h: Likewise.
8365 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8367 * mips.md (reload_outsi): Added missing REGNO call.
8368 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8370 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8371 another match_operator and compare the codes.
8373 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8375 * MIPS multiply pattern fixes:
8376 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8377 Add union classes for HI, LO, or HILO plus general registers.
8378 (GENERATE_MADD): Deleted.
8379 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8380 Add TARGET_MAD to condition.
8381 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8382 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8383 "*d" for accumulator, to give preference to LO initially but not
8386 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8388 * configure.in (enable_c_mbchar): New configure option.
8389 (extra_cpp_objs): Always available now.
8391 * cexp.y (mbchar.h): #include it.
8392 (yylex): Handle Multibyte characters in character literals.
8394 * cccp.c (mbchar.h): #include it.
8395 (main): Set character set based on LANG environment variable.
8396 (rescan): Handle multibyte characters in comments.
8397 (skip_if_group): See above.
8398 (validate_else): See above.
8399 (skip_to_end_of_comment): See above.
8400 (macarg1): See above.
8401 (discard_comments): See above.
8402 (rescan): Handle multibyte characters in string and character literals.
8403 (collect_expansion): See above.
8404 (skip_quoted_string): See above.
8405 (macroexpand): See above.
8406 (macarg1): See above.
8407 (discard_comments): See above.
8408 (change_newlines): See above.
8410 * c-lex.c (mbchar.h): #include it.
8411 (GET_ENVIRONMENT): New macro.
8412 (init_lex): Set character set based on LANG environment variable.
8413 (yylex): Handle multibyte characters in character literals.
8414 (yylex): Handle multibyte characters in string literals.
8416 * Makefile.in (mbchar.o): New target.
8417 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8418 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8420 * mbchar.[ch]: New files for multibyte character handling.
8422 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8424 * jump.c (jump_optimize): When simplifying noop moves and
8425 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8426 the PUSHes to rewrite in second loop as we did in the first.
8428 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8430 * cplus-dem.c (demangle_nested_args): Make function definition
8431 static to match the prototype.
8433 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8435 * alloca.c: Respect USE_C_ALLOCA.
8436 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8437 * gengenrtl.c (xmalloc): Likewise.
8439 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8441 * loop.h (struct induction): Add no_const_addval.
8442 * loop.c (the_movables, reg_address_cost): New variables.
8443 (init_loop): Init reg_address_cost.
8444 (loop_optimize): Call end_alias_analysis.
8445 (scan_loop): Init the_movables.
8446 (record_giv): Init induction->no_const_addval.
8447 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8448 [REG]: Rearrange loop search test to catch more cases.
8449 (general_induction_var): Return success not benefit; take an extra
8450 argument for that. Change all callers.
8451 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8452 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8453 [default]: Search the_movables for additional combinations.
8454 (sge_plus_constant, sge_plus): New functions.
8455 (express_from_1): New function.
8456 (express_from): Always define. Rewrite using express_from_1.
8457 (combine_givs_p): Handle more cases. Ignore address cost.
8458 (cmp_combine_givs_stats): New function.
8459 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8460 (combine_givs): Rewrite to do best-fit combination.
8462 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8463 (fold): Do a complete (A*C)+(B*C) association check.
8465 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8467 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8469 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8471 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8473 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8475 * tree.c (valid_machine_attribute): Only create a new type variant if
8476 there is a decl to use it.
8478 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8480 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8483 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8485 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8488 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8490 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8491 Simplify tests for clearing an address register.
8492 (expand_prologue): Corresponding changes.
8494 * mn10300.md (movXX patterns): Make sure the destination is an
8495 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8496 (logical patterns): Split into expanders + patterns
8497 (zero and sign extension patterns): Similarly.
8498 (shift patterns): Similarly.
8500 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8502 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8503 for the sequence, recording base values.
8505 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8507 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8509 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8511 * gcc.c: Remove ANSI-C ism from --help code.
8513 * toplev.c: Support --help with USE_CPPLIB.
8515 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8517 * configure.in: Rework gas feature code to work with symlink based
8520 * extend.texi: Clarify some issues related to local variables
8521 assigned to explicit registers.
8523 * mn10300.md (mulsi): Turn into expander + pattern.
8525 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8528 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8530 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8532 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8534 * version.c: Bump again to distinguish mainline tree from the
8537 See ChangeLog.0 for earlier changes.
8540 add-log-time-format: current-time-string
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