1 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
3 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
5 * i386/xm-go32.h: Define LIBSTDCXX.
7 * i386/go32.h (MD_EXEC_PREFIX): Define.
8 (FILE_NAME_ABSOLUTE_P): Define.
9 (LINK_COMMAND_SPEC): Define.
11 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
13 * expr.c (store_expr): If the lhs is a memory location pointed
14 to be a postincremented (or postdecremented) pointer, always
15 force the rhs to be evaluated into a pseudo.
17 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
19 * real.c (mtherr): Print more reasonable warning messages.
21 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
25 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
26 (new_include_prefix): Constify char* parameters.
28 * cppfiles.c (read_name_map): Likewise.
29 (append_include_chain): Likewise. Also, use a writable char* copy
30 of parameter `dir' which we then modify, rather than using the
31 parameter itself to store the new writable string.
32 (remap_filename): Constify some variables. Also, use a writable
33 char* to store an allocated string which we will be modifying.
35 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
36 (cpp_start_read): Constify variable `str'.
38 * cpplib.h (append_include_chain): Constify a char* parameter.
40 * gcc.c Include prefix.h, don't prototype prefix.c functions.
41 (add_prefix, save_string): Constify char* parameters.
42 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
44 * prefix.c: Include prefix.h.
45 (get_key_value, translate_name, save_string, update_path,
46 set_std_prefix): Constify various char* parameters and variables.
47 (save_string): Use xmalloc, not malloc.
48 (translate_name): Use a writable temporary variable to create and
49 modify a string before setting it to a const char*.
51 * prefix.h: New file to prototype functions exported from prefix.c.
53 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
55 * cpplib.c (skip_if_group): Split out the logic that handles
56 directive recognition to its own function. Don't use
57 parse markers; use a bare pointer into the buffer. Use
58 copy/skip_rest_of_line instead of doing it by hand. Remove
59 `return on any directive' mode which was never used, and take
61 (consider_directive_while_skipping): New function, subroutine
62 of skip_if_group. Logic streamlined a bit.
63 (conditional_skip, do_elif, do_else): Call skip_if_group with
66 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
68 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
71 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
73 * extend.texi (Bound member functions): Document.
75 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
77 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
78 lang_to_string, type_to_string): Make return type const char*.
79 (print_symbol): Apply `const' keyword to a char*.
80 (print_file_desc): Cast structure member `crfd' to ulong when
81 comparing against one.
83 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
84 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
85 (progname, input_name): Apply `const' keyword to a char*.
86 Don't redundantly include sys/stat.h.
87 (alloc_info): Apply `const' keyword to a char*.
88 (st_to_string, sc_to_string): Likewise.
89 (hash_string): Cast variable `hash_string' to a symint_t when
90 comparing against one.
91 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
92 Likewise cast it to long when comparing against one.
93 (add_local_symbol): Apply `const' keyword to a char*.
94 (add_ext_symbol): Likewise.
95 (add_unknown_tag): Likewise.
96 (add_procedure): Cast a printf-style field width to an int.
97 (add_file): Cast PAGE_USIZE to long when comparing against one
98 (parse_begin): Cast a printf-style field width to an int.
99 (parse_bend): Likewise.
100 (parse_def): Likewise.
101 (parse_end): Likewise.
102 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
103 (parse_stabs_common): Fix format specifier.
104 (parse_input): Change type of variable `i' to Size_t.
105 (write_object): Fix arguments to match format specifiers.
106 Cast variable `num_write' to long when comparing against one.
107 (read_seek): Cast variable `sys_read' to symint_t when comparing
108 against one. Fix arguments to match format specifiers. Cast
109 variable `size' to long when comparing against one.
110 (copy_object): Cast result of `sizeof' to int when comparing
111 against one. Fix arguments to match format specifiers. Cast
112 variable `ifd' to long when comparing against a signed value.
115 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
117 * c-common.c (decl_attributes): Allow applying attribute `unused'
120 * c-parse.in (label): Parse attributes after a label, and call
121 `decl_attributes' to handle them.
123 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
125 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
126 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
128 * invoke.texi: Note that labels can be marked `unused'.
130 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
132 * version.c: Bump for snapshot.
134 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
136 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
137 RTL for a compare/jump sequence.
139 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
141 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
142 for a target with HAVE_cc0 defined.
143 (emit_cmp_and_jump_insns): New function.
144 * expr.h (emit_cmp_and_jump_insns): Prototype it.
145 * loop.c (check_dbra_loop): Use it to replace calls
146 to emit_cmp_insn and emit_jump_insn and to canonicalise
147 the comparison if necessary.
148 * unroll.c (unroll_loop): Likewise.
150 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
152 * fixincludes (sys/utsname.h): Provide forward declaration of
153 struct utsname on Ultrix V4.[35].
155 * mips.md (div_trap): Use local labels instead of dot-relative
158 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
160 * pa.md (branch, negated branch): Handle (const_int 0) as first
162 * pa.c (output_cbranch): Likewise.
164 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
166 * rs6000.c (rs6000_stack_info): Undo spurious part of last
169 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
171 * extend.texi (__builtin_constant_p): Add missing @smallexample.
173 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
175 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
177 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
179 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
180 (adddi_dishl32): Similarly.
182 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
183 for each insn in the skipped block.
185 * reload1.c (reload_as_needed): Verify that the insn satisfies its
186 constraints after replacing a register address with an autoincrement
187 address for reload inheritance purposes.
189 * i386.md (doubleword shifts): Avoid namespace pollution.
191 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
193 * configure.in (FreeBSD ELF): Needs special crt files.
195 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
197 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
199 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
201 * loop.c (check_dbra_loop): While reversing the loop, if the
202 comparison value has a VOID mode use the mode of the other operand
205 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
207 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
208 avoid warnings in compiling explow.c.
210 (patch from Ken Raeburn, raeburn@cygnus.com)
211 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
212 fpmem_offset. Compute total size after that, and then
213 rs6000_fpmem_offset using both values.
215 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
217 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
218 the future; indeed that already happens in some cases.
220 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
222 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
223 (arith_operand): Remove constant_p_rtx handling.
224 (const64_operand, const64_high_operand): Likewise.
225 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
226 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
227 (small_int_or_double, uns_small_int, zero_operand): Likewise.
228 * sparc.h (PREDICATE_CODES): Likewise.
230 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
232 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
234 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
235 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
236 consider constant CONSTRUCTOR constant and to defer some cases
238 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
239 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
241 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
243 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
244 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
246 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
247 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
248 (sext_add_operand, and_operand, or_operand): Likewise.
249 (reg_or_cint_operand, some_operand, input_operand): Likewise.
250 * alpha.h (PREDICATE_CODES): Likewise.
252 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
254 * version.c: Bump for snapshot.
256 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
258 * gengenrtl.c (gencode): Always use bzero to clear memory instead
259 of dangerous casts and stores.
261 * Makefile.in (compare, gnucompare): Add missing else true clauses.
263 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
265 * alpha.md (builtin_longjmp): Add missing "DONE".
267 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
269 * gcc.c (execute): Enable -pipe with win32.
271 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
273 * config/arm/t-arm-elf: Add multiplib option for leading
276 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
277 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
279 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
280 than variable 'reload_address_base_reg_class'. [Note this
281 change is unrelated to the others in this patch].
283 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
286 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
288 * alias.c (record_alias_subset): Remove ignored `&'.
289 (init_alias_once): Likewise.
291 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
293 * config/mips/mips.c (mips_asm_file_end): Cast the result of
294 fwrite to `int' when comparing against one.
296 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
297 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
299 * cse.c (rehash_using_reg): Change type of variable `i' to
302 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
305 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
307 * final.c (final_scan_insn): Likewise for variable `i'.
308 (output_asm_insn): Cast a char to unsigned char when used as an
311 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
314 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
316 * recog.c (preprocess_constraints): Cast a char to unsigned char
317 when used as an array index.
319 * regmove.c (find_matches): Likewise.
321 * reload1.c (calculate_needs): Add default case in switch.
322 (eliminate_regs_in_insn): Initialize variable `offset'.
323 (set_offsets_for_label): Change type of variable `i' to unsigned.
324 (reload_as_needed): Wrap variable `i' in macro check on
325 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
327 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
328 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
329 when comparing against one.
331 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
332 unsigned when comparing against one. Likewise for
333 GET_MODE_ALIGNMENT().
334 (layout_record): Cast record_align to int when comparing against a
336 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
339 * tree.c (get_identifier): Cast variable `len' to unsigned when
340 comparing against one.
341 (maybe_get_identifier): Likewise
343 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
345 * toplev.c (rest_of_compilation): Do not set reload_completed.
346 * reload1.c (reload): Set reload_completed before calling
347 cleanup_subreg_operands.
349 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
351 * reload1.c (emit_reload_insns): Check `set' not null before use.
353 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
355 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
358 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
360 * halfpic.c (half_pic_encode): Delete redundant code.
362 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
364 * toplev.c (main): Delete handling of -dM as a preprocessor
367 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
369 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
370 -dI, which are handled by the preprocessor.
372 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
374 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
375 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
377 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
379 * version.c: Bump for snapshot.
381 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
383 * version.c: Bump for snapshot.
385 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
387 * version.c: Bump for snapshot.
389 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
391 * genattr.c (fatal): Qualify a char* with the `const' keyword.
393 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
394 write_unit_name, write_eligible_delay, expand_units,
395 make_length_attrs, write_attr_case, find_attr,
396 make_internal_attr): Likewise.
397 * gencheck.c (tree_codes): Likewise.
398 * gencodes.c (fatal): Likewise.
399 * genconfig.c (fatal): Likewise.
400 * genemit.c (fatal): Likewise.
401 * genextract.c (fatal, walk_rtx, copystr): Likewise.
402 * genflags.c (fatal): Likewise.
403 * genopinit.c (fatal, optabs, gen_insn): Likewise.
404 * genoutput.c (fatal, error, predicates): Likewise.
405 * genpeep.c (fatal): Likewise.
406 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
407 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
409 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
411 * configure.in (with-fast-fixincludes): Fix whitespace.
412 * configure: Rebuilt.
414 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
415 asm() etc. function declarations in __DECC.
417 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
419 * expr.c (emit_move_insn_1): Only emit a clobber if the target
420 is a pseudo register.
422 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
424 * gcse.c: Include expr.h in order to get the prototype for
425 get_condition() which is used in delete_null_pointer_checks().
427 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
429 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
431 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
433 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
434 (ALL_CFLAGS): Delete SCHED_CFLAGS.
436 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
438 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
441 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
443 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
444 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
445 optimizations from the combiner.
447 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
449 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
451 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
453 * toplev.c (main): Disable optimize_size if a specific
454 optimization level is requested. Always set optimization
455 level to 2 if -Os is specified.
457 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
459 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
461 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
462 initialize it using fname.
464 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
466 * cpplib.c (do_include): Treat #include_next in the
467 primary source file as #include plus warning. Treat
468 #include_next in a file included by absolute path as an
469 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
471 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
473 * cccp.c: Don't define MIN/MAX anymore.
474 * cpplib.c: Likewise.
475 * machmode.h: Likewise.
476 * system.h: Provide definitions for MIN/MAX.
478 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
480 * fix-header.c: Don't define xstrdup here.
482 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
484 * loop.c (consec_sets_giv): New argument last_consec_insn.
485 (strength_reduce): Provide / use it.
487 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
489 * loop.h (loop_info): New field 'vtop'.
490 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
491 scanning loop for vtop.
492 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
493 (loop_iterations): Use them to determine if loop has a constant
494 number of iterations. Set loop_info->vtop. Don't subtract
495 common reg term from initial_value and final_value if have a
498 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
500 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
502 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
504 * mn10200.md (abssf2, negsf2): New expanders.
506 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
508 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
510 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
511 replaced by a CONCAT whoes components do not have the same
512 mode as the original SUBREG, use a new SUBREG to restore the
515 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
516 multiword complex values.
518 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
520 * cppalloc.c: Add xstrdup here.
521 * cpplib.h: Remove savestring prototype.
522 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
524 * cppfiles.c: s/savestring/xstrdup/ throughout.
526 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
528 * cpplib.c: Make all directive handlers read their own
530 (struct directive): Remove last two arguments from FUNC
531 member prototype. Remove `command_reads_line' member
533 (directive_table): Remove initializations of
534 command_reads_line flag. Pretty-print.
535 (eval_if_expression, do_define, do_line, do_include,
536 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
537 do_else, do_elif, do_sccs, do_assert, do_unassert,
538 do_warning): Take only two args.
540 (cpp_define): Call do_define with two args and the text to
541 define stuffed into a buffer.
542 (make_assertion): Call do_assert with two args.
543 (handle_directive): Call do_line with two args. Call
544 kt->func with two args. Remove command_reads_line
546 (do_define, do_undef, do_error, do_warning, do_pragma,
547 do_sccs): Read the rest of the line here.
548 (do_ident): Gobble rest of line, as cccp does.
549 (cpp_undef): New function.
550 (cpp_start_read): Call cpp_undef instead of do_undef.
552 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
554 * cpphash.h (union hash_value): Remove `keydef' member, add a
555 `struct hashnode *aschain' member for #assert.
557 * cpplib.c (struct tokenlist_list, struct
558 assertion_hashnode): Delete structure definitions.
559 (assertion_install, assertion_lookup, delete_assertion,
560 check_assertion, compare_token_lists, reverse_token_list,
561 read_token_list, free_token_list): Delete functions.
562 (parse_assertion): New function.
563 (cpp_cleanup): Don't destroy the assertion_hashtable.
565 (do_assert): Gut and rewrite. #assert foo (bar) places
566 entries for `#foo' and `#foo(bar)' in the macro hash table,
567 type T_ASSERT. The value union's `aschain' member is used
568 to chain all answers for a given predicate together.
569 (do_unassert): Also rewritten. Take an un-asserted
570 answer off the chain from its predicate and call
571 delete_macro on the hashnode, or walk a predicate chain
572 calling delete_macro on all the entries.
573 (cpp_read_check_assertion): Simply call parse_assertion to
574 get the canonical assertion name, and look that up in the
577 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
580 * cpphash.c (install): Use bcopy instead of an explicit loop
581 to copy the macro name.
583 * cppexp.c (cpp_lex): Convert the result of
584 cpp_read_check_assertion to a `struct operation' directly;
585 don't go through parse_number.
587 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
589 * loop.h (struct induction): Delete times_used member.
590 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
591 (n_times_used): Rename to n_times_set. Changed all users.
592 (scan_loop): Free reg_single_usage before strength reduction.
593 (record_giv, combine_givs): Remove handling of times_used member.
594 (combine_givs_used_once): Rename to:
595 (combine_givs_used_by_other) . Changed all callers.
597 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
599 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
600 instead of TREE_CODE_CLASS == 't'.
601 (gen_type_die): Likewise.
602 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
604 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
606 * real.c (endian): Disable last change unless
607 HOST_BITS_PER_WIDE_INT is greater than 32.
609 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
611 * output.h (force_data_section): New prototype.
612 * varasm.c (force_data_section): New function to force the
613 data section, regardless of what in_section thinks.
614 * dwarf2out.c (output_call_frame_info): Call force_data_section
615 since varasm may not realize we've changes sections.
617 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
619 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
620 after completeing reload.
622 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
623 deleted after reload.
625 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
627 * rtl.h (multiple_sets): Fix prototype.
628 * rtlanal.c (multiple_sets): Fix return type.
630 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
632 * version.c: Bump for snapshot.
634 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
636 * version.c: Bump for snapshot.
638 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
640 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
642 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
644 * rtl.h (recompute_reg_usage): Add second argument.
645 * flow.c (recompute_reg_usage): Likewise.
646 * toplev.c (rest_of_compilation): Supply second argument to
649 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
652 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
654 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
655 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
656 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
659 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
661 * rtlanal.c (multiple_sets): New function.
662 * rtl.h (multiple_sets): Declare it.
663 * local-alloc.c (wipe_dead_reg): Use it.
664 * global.c (global_conflicts): Likewise.
666 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
668 * global.c (record_conflicts): Don't use an array of shorts to
669 store an array of ints.
670 (global_conflicts): Likewise.
672 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
674 * alpha.c (alpha_expand_block_move): mode_for_size expects
675 bits, not bytes. Infer extra alignment from addressof.
677 1998-12-11 Michael Meissner <meissner@cygnus.com>
679 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
680 .sbss section, not .sdata.
682 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
684 * cccp.c: Do not #include <sys/stat.h> here; this is already done
686 * collect2.c: Likewise.
687 * cpplib.h: Likewise.
690 * getpwd.c: Likewise.
691 * protoize.c: Likewise.
692 * toplev.c: Likewise.
694 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
695 and don't try to define it here.
696 * Makefile.in (cppmain.o): Depend on machmode.h.
697 (cpplib.o): Likewise.
698 (cpperror.o): Likewise.
699 (cppexp.o): Likewise.
700 (cppfiles.o): Likewise.
701 (cpphash.o): Likewise.
702 (cppalloc.o): Likewise.
703 (fix-header.o): Likewise.
704 (scan-decls.o): Likewise.
706 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
708 * sh.c (print_operand): lookup interrupt_handler attribute instead
709 of relying on static variable.
710 * (calc_live_regs): Likewise.
711 * (sh_pragma_insert_attributes): Create interrupt_handler
712 attribute if a pragma was specified
713 * (sh_valid_machine_decl_attribute): Don't set static flag.
714 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
716 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
718 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
719 to determine if a register is live at a jump destination.
720 Everything is dead at a BARRIER.
722 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
724 * cse.c (simplify_unary_operation): Sign-extend constants when
725 they have the most significant bit set for the target.
726 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
728 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
729 HOST_WIDE_INT temporary before negating it.
730 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
732 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
734 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
737 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
739 * collect2.h: New header file for prototypes.
741 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
743 * collect2.c: Include collect2.h.
746 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
748 * flow.c: Update some comments.
750 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
752 * objc/objc-act.c (cpp_initialized): Removed.
753 (lang_init_options): Initialize cpplib.
754 (lang_decode_option): Move initialization of cpplib to
756 * c-lang.c: (parse_options,parse_in): Added.
757 (lang_init_options): Initialized cpplib here.
758 * c-decl.c (parse_options,cpp_initialized): Removed.
759 (c_decode_option): Move initialization of cpplib to
762 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
764 * reload1.c (reload_combine, reload_combine_note_store):
765 Make STORE_RUID always valid.
766 (reload_combine): Check if BASE is clobbered too early.
768 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
770 * reload.c (find_reloads): Display the insn that cannot be
773 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
775 * cccp.c (create_definition): Fix end of bufer logic.
777 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
779 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
780 pointer parameters changed to use the PARAMS() macro.
782 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
784 * except.h (struct handler_info): Add handler_number field.
785 * except.c (gen_exception_label): EH labels no longer need to be
786 on the permanent obstack.
787 (get_new_handler): Set the label number field.
788 (output_exception_table_entry): Regenerate handler label reference
789 from the label number field.
790 (init_eh): Remove a blank line.
791 * integrate.c (get_label_from_map): Labels no longer need to be
792 on the permanent obstack.
794 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
796 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
797 only when OUTER_CODE is SET.
799 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
801 * loop.c (strength_reduce): If scan_start points to the loop exit
802 test, be wary of subversive use of gotos inside expression statements.
803 Don't set maybe_multiple for a backward jump that does not
804 include the label under consideration into its range.
805 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
807 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
809 * explow.c (plus_constant_wide): Don't immediately return with
810 result of recursive call.
812 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
814 * eh-common.h (struct eh_context): Add table_index for rethrows.
816 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
817 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
818 processed when inlined or unrolled (ie duplicated in some way).
820 * rtl.c (reg_note_name): Add strings for new reg_note enums.
822 * expr.h (rethrow_libfunc): New library decl.
824 * optabs.c (rethrow_libfunc): Initialize.
826 * except.h (struct eh_entry): Add new field 'rethrow_label'.
827 (new_eh_region_entry): No longer exported from except.c.
828 (duplicate_handlers): Renamed to duplicate_eh_handlers and
830 (rethrow_symbol_map, rethrow_used): New exported functions.
831 (eh_region_from_symbol): New exported function.
833 * except.c (create_rethrow_ref): New function to create a single
834 SYMBOL_REF for a rethrow region.
835 (push_eh_entry): Initialize a rethrow ref.
836 (func_eh_entry): Add a rethrow_label field.
837 (new_eh_region_entry): Make static, and initialize the rethrow entry.
838 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
839 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
840 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
841 a region into an appropriate new symbol.
842 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
843 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
844 (end_catch_handler): Emit a barrier for new-exceptions since
845 control can never drop through the end of a catch block.
846 (expand_end_all_catch): new-exceptions never fall through a catch
848 (expand_rethrow): use __rethrow routine for new exceptions.
849 (output_exception_table_entry): Generate rethrow labels, if needed.
850 (output_exception_table): Generate start and end rethrow labels.
851 (init_eh): Create rethrow symbols for beginning and end of table.
852 (scan_region): Don't eliminate EH regions which are the targets of
855 * flow.c (make_edges): Add different edges for rethrow calls,
856 identified by having the REG_EH_RETHROW reg label.
857 (delete_unreachable_blocks): Don't delete regions markers which are
858 the target of a rethrow.
860 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
861 allow save_for_inline_copying to call duplicate_eh_handlers.
862 (save_for_inline_copying): Call duplicate_eh_handlers instead of
863 exposing internal details of exception regions.
864 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
865 (expand_inline_function_eh_labelmap): New callback routine to
866 allow expand_inline_function to call duplicate_eh_handlers.
867 (expand_inline_function): Call duplicate_eh_handlers instead of
868 exposing internal details of exception regions.
869 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
872 * libgcc2.c (find_exception_handler): Generalize to enable it to
873 pick up processing where it left off last time for a rethrow.
874 (__unwinding_cleanup): New function. debug hook which is called before
875 unwinding when __throw finds there is nothing but cleanups left.
876 (throw_helper): Common parts of __throw extracted out for reuse.
877 (__throw): Common parts moved to throw_helper.
878 (__rethrow): New function for performing rethrows.
880 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
882 * reload1.c (current_function_decl): Tweak declaration.
884 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
886 * c-decl.c (flag_isoc9x): Default off.
887 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
888 * cccp.c (print_help, main): Likewise.
889 * gcc.c (default_compilers): Update for -std=gnu*.
891 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
893 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
894 * demangle.h: Deleted.
896 * reload1.c (current_function_decl): Declare.
898 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
900 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
902 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
904 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
906 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
908 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
910 * configure: Rebuilt.
911 * system.h: If the *_unlocked functions are available use them
912 instead of the locked counterparts by defining macros.
913 * config.in: Regenerated.
915 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
917 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
918 wrong and should only be used for dump related things, not
919 debugging information, instead main_input_filename should be used.
920 Also, reuse output_file_directive if possible.
921 * i386/aix386ng.h (ASM_FILE_START): Likewise.
922 * i386/isc.h (ASM_FILE_START): Likewise.
923 * i386/win-nt.h (ASM_FILE_START): Likewise.
924 * i386/sun386.h (ASM_FILE_START): Likewise.
926 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
928 * configure.in (mips*-*-linux*): Handle big and little endian
930 * configure: Rebuilt.
932 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
934 * emit-rtl.c: Fix typo.
936 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
938 * reload1.c (eliminate_regs): Don't do anything, if we're not
941 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
943 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
945 * mips/mips.c (mips_select_section): Add comment.
947 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
949 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
950 characters in file names in #line to be consistent with #include
951 handling. We support escape prcessing in the # 1 "..." version of
952 the command. See also support in cp/lex.c.
953 (handle_directive): Likewise.
956 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
958 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
959 so it'll work on non-ASCII platforms. Always consider $ an
960 identifier character. Take no arguments.
961 (cpp_reader_init): Call initialize_char_syntax with no
963 (cpp_start_read): Don't call initialize_char_syntax again.
964 Clear is_idchar['$'] and is_idstart['$'] if not
965 opts->dollars_in_ident.
967 * cpplib.h (struct cpp_reader): Replace void *data element by
968 cpp_options *opts. Rearrange elements to make gdb printout
969 less annoying (put buffer stack at end).
970 (CPP_OPTIONS): Get rid of now-unnecessary cast.
972 * cppmain.c: s/data/opts/ when initializing cpp_reader
974 * c-decl.c: Likewise.
975 * objc/objc-act.c: Likewise.
976 * fix-header.c: Likewise.
978 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
980 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
981 with a struct file_name_list pointer.
982 (struct cpp_reader): Add pointer to chain of `actual
983 directory' include searchpath entries.
984 (struct file_name_list): Add *alloc pointer for the sake of
985 the actual-directory chain.
987 Move definition of HOST_WIDE_INT here.
988 (cpp_parse_escape): Change prototype to match changes in
991 * cppfiles.c (actual_directory): New function.
992 (finclude): Use it to initialize the buffer's actual_dir
994 (find_include_file): We don't need to fix up max_include_len
997 * cpplib.c (do_include): Don't allocate a file_name_list on
998 the fly for current directory "" includes, use the one that's
999 been preallocated in pfile->buffer->actual_dir. Hoist out
1000 duplicate code from the search_start selection logic.
1001 (cpp_reader_init): Initialize pfile->actual_dirs.
1003 Remove definition of HOST_WIDE_INT. Change calls
1004 to cpp_parse_escape to match changes in cppexp.c (note
1005 hardcoded MASK, which is safe since this is the source
1008 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1009 to handle wide character constants in #if directives. The
1010 function now returns a HOST_WIDE_INT, and takes a third
1011 argument which is a binary mask for all legal values (0x00ff
1012 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1013 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1014 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1016 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1018 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1020 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1022 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1023 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1024 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1026 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1028 * final.c (output_asm_name): Use tabs to seperate comments from
1031 Include instruction lengths (if defined) in output.
1033 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1035 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1036 in the loop_info structure.
1038 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1040 * configure.in: (arm*-*-ecos-elf): New target.
1041 * configure: Regenerated.
1042 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1043 * config/arm/ecos-elf.h: New file.
1044 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1047 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1049 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1051 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1053 * version.c: Bump for snapshot.
1055 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1057 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1060 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1062 * version.c: Bump for snapshot.
1064 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1066 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1067 compressed reports are ok and preferred over URLs
1069 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1071 * invoke.texi (Warning Options): Soften the tone of -pedantic
1073 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1075 * print-rtl.c (print_rtx): Add prototype.
1077 * unroll.c (iteration_info): Make it static.
1079 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1081 * alias.c (memrefs_conflict_p): A second ANDed address
1082 disables the aligned address optimization.
1084 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1086 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1089 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1091 * i960.h (BOOL_TYPE_SIZE): Define.
1093 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1095 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1096 from old valid_parallel_operands_4.
1097 (valid_parallel_operands_4): Check that operands for 4 operand
1098 parallel insns are valid, excluding load/store insns.
1099 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1100 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1101 valid_parallel_load_store instead of valid_parallel_operands_4.
1102 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1103 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1104 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1105 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1106 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1107 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1108 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1110 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1112 * config/c4x/c4x.c (iteration_info): Delete extern.
1114 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1116 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1118 * final.c (cleanup_subreg_operands): Delete some unused code.
1120 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1121 (struct insn_alternative): New structure definition.
1122 (recog_op_alt): Declare variable.
1123 (preprocess_constraints): Declare function.
1124 * recog.c (recog_op_alt): New variable.
1125 (extract_insn): Verify number of alternatives is in range.
1126 (preprocess_constraints): New function.
1127 * reg-stack.c: Include recog.h.
1128 (constrain_asm_operands): Delete.
1129 (get_asm_operand_lengths): Delete.
1130 (get_asm_operand_n_inputs): New function.
1131 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1132 N_OUTPUTS args. All callers changed.
1133 Compute number of inputs and outputs here by calling
1134 get_asm_operand_n_inputs.
1135 Instead of constrain_asm_operands, call extract_insn,
1136 constrain_operands and preprocess_constaints. Use information
1137 computed by these functions throughout.
1138 (record_reg_life): Delete code that is unused due to changes in
1139 record_asm_reg_life.
1140 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1141 N_INPUTS and N_OUTPUTS args. All callers changed.
1142 Similar changes as in record_asm_reg_life.
1143 (subst_stack_regs): Move n_operands declaration into the if statement
1145 Delete code that is unused due to changes in subst_asm_stack_regs.
1146 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1148 * Makefile.in (reg-stack.o): Depend on recog.h.
1150 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1152 * except.c (set_exception_version_code): Argument is an "int".
1154 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1156 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1157 * configure: Rebuilt.
1159 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1161 * configure.in (mipsel-*-linux*): New target.
1162 * mips/linux.h: New file, based on other Linux targets.
1164 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1166 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1167 runs in the context of the deleter, not the deletee, so we must
1168 use taskVarGet to find the correct memory to free.
1169 (__gthread_key_create): Initialize the task
1170 variable subsystem so that the task variable is still active when
1171 the delete hook is run.
1173 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1175 * pdp11.h: Use optimize_size for space optimizations.
1176 * pdp11.c: Likewise.
1177 * pdp11.md: Likewise.
1179 * pdp11.h (TARGET_40_PLUS): Fix typo.
1181 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1183 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1186 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1188 * alias.c (addr_side_effect_eval): New function.
1189 (memrefs_conflict_p): Use it.
1190 * rtl.h (addr_side_effect_eval): Prototype it.
1192 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1194 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1196 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1198 * reload.c (find_reloads): When force const to memory, put result
1199 in substed_operand not *recog_operand_loc.
1201 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1203 * c-lex.c: Fix indentation from last patch.
1204 Remove trailing whitespace.
1207 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1209 * flow.c (delete_block): Call set_last_insn after we have reset
1210 NEXT_INSN (kept_tail).
1212 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1214 * mips.md (trap_if): Use "$0" for the value zero.
1216 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1217 Stephen L Moshier <moshier@world.std.com>
1218 Richard Henderson <rth@cygnus.com>
1220 * c-common.c (declare_function_name): Declare predefinied variable
1223 * c-decl.c (flag_isoc9x): Set to 1 by default.
1224 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1225 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1227 * c-parse.in: Allow constructors in ISO C 9x.
1228 Rewrite designator list handling.
1229 Allow [*] parameters.
1230 Don't warn about comma at end of enum definition for ISO C 9x.
1232 * cccp.c (c9x): New variable.
1233 (rest_extension): New variable.
1234 (print_help): Document new -std= option.
1235 (main): Recognize -std= option. Set c9x appropriately.
1236 (create_definition): Recognize ISO C 9x vararg macros.
1238 * gcc.c (default_compilers): Adjust specs for -std options.
1239 (option_map): Add --std.
1240 (display_help): Document -std.
1242 * toplev.c (documented_lang_options): Add -std and remove
1245 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1246 or REAL_VALUE_HTOF based on base of the constants.
1247 * fold-const.c (real_hex_to_f): New function. Replacement function
1248 for hex FP conversion if REAL_ARITHMETIC is not defined.
1249 * real.c (asctoeg): Add handling of hex FP constants.
1250 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1253 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1255 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1256 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1257 expansion. Use hi/lo as destination register.
1259 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1260 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1261 Avoid as macro expansion. Use hi/lo as destination register.
1263 * mips.h (MASK_CHECK_RANGE_DIV): New.
1264 (MASK_NO_CHECK_ZERO_DIV): New.
1265 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1266 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1267 return address for leaf functions out of r31 to support
1268 builtin_return_address.
1270 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1272 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1273 NEXT_INSN(x) to check insn x.
1275 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1277 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1278 last insn in the rtl chain.
1280 * reload1.c (reload): Do not set reload_completed or split insns
1282 * toplev.c (rest_of_compilation): Set reload_completed after
1283 reload returns. Split insns after reload_cse has run.
1285 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1287 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1289 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1291 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1293 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1295 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1296 use of user-label_prefix.
1298 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1300 * reload1.c (emit_reload_insns): Clear spill_reg_store
1301 when doing a new non-inherited reload from the same pseudo.
1303 * local-alloc.c (function_invariant_p): New function.
1304 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1305 to decide if an equivalence should be recorded.
1306 * reload1.c (num_eliminable_invariants): New static variable.
1307 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1308 to decide if an equivalence should be recorded.
1310 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1311 Take num_eliminable_invariants into account when deciding
1312 if register elimination should be done.
1313 (reload_as_needed): Take num_eliminable_invariants into account
1314 when deciding if register elimination should be done.
1315 (eliminate_regs): Handle non-constant reg_equiv_constant.
1316 * rtl.h (function_invariant_p): Declare.
1318 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1320 * version.c: Bump for snapshot.
1322 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1324 * version.c: Bump for snapshot.
1326 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1328 * except.c (add_new_handler): Complain about additional handlers
1329 after one that catches everything.
1331 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1333 * configure.in (alpha*-*-netbsd): Fix typo.
1334 * configure: Rebuilt.
1336 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1338 * system.h: Include libiberty.h.
1340 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1341 function `concat' from fixed parameters to variable parameters,
1342 as is done in libiberty. All callers of concat/concat3
1343 changed to use the new `concat' with variable args.
1345 * cccp.c: Remove things made redundant by libiberty.h and/or
1346 conform to libiberty standards.
1348 * collect2.c: Likewise.
1349 * config/1750a/1750a.h: Likewise.
1350 * cppalloc.c: Likewise.
1351 * cppexp.c: Likewise.
1352 * cppfiles.c: Likewise.
1353 * cpphash.c: Likewise.
1354 * cpplib.c: Likewise.
1355 * dyn-string.c: Likewise.
1356 * fix-header.c: Likewise.
1359 * genattr.c: Likewise.
1360 * genattrtab.c: Likewise.
1361 * gencheck.c: Likewise.
1362 * gencodes.c: Likewise.
1363 * genconfig.c: Likewise.
1364 * genemit.c: Likewise.
1365 * genextract.c: Likewise.
1366 * genflags.c: Likewise.
1367 * gengenrtl.c: Likewise.
1368 * genopinit.c: Likewise.
1369 * genoutput.c: Likewise.
1370 * genpeep.c: Likewise.
1371 * genrecog.c: Likewise.
1372 * getpwd.c: Likewise.
1373 * halfpic.c: Likewise.
1375 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1376 in NEED_DECLARATION_* macros.
1378 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1379 conform to libiberty standards.
1380 (fatal): Fix const-ification of variable `format' in
1381 !ANSI_PROTOTYPES case.
1383 * prefix.c: Remove things made redundant by libiberty.h and/or
1384 conform to libiberty standards.
1386 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1387 conflicting with function `spaces' from libiberty.
1389 * profile.c: Remove things made redundant by libiberty.h and/or
1390 conform to libiberty standards.
1391 * protoize.c: Likewise.
1394 * tlink.c: Likewise.
1395 * toplev.c: Likewise.
1396 * toplev.h: Likewise.
1399 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1401 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1403 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1405 * README.C4X: Updated URLs.
1406 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1407 (valid_parallel_operands_5): Remove unused variable.
1409 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1411 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1413 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1415 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1416 which can be configured.
1417 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1418 (Makefile): Pass actual LANGUAGES through the environment when
1420 (cstamp-h): Likewise.
1421 (config.status): Likewise.
1423 * configure.in (enable_languages): Add new configuration parameter
1424 "--enable-languages=lang1,lang2,...".
1425 (${srcdir}/*/config-lang.in): Change handling to configure only
1426 those directories, that the user might have enabled; default to
1427 "all" existing languages.
1428 * configure: Regenerate.
1430 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1432 * rtlanal.c (regs_set_between_p): New function.
1433 * rtl.h (regs_set_between_p): Prototype it.
1434 * jump.c (jump_optimize): Use it instead of modified_between_p
1435 in the Sep 2 change.
1437 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1438 Matthias Pfaller <leo@dachau.marco.de>
1440 * invoke.texi (Option Summary, NS32K Options): add description
1441 of NS32K specific options.
1443 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1444 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1445 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1446 negdf2, absdf2): Use l instead of f since the double class and
1447 float class are no longer the same.
1448 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1449 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1450 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1451 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1453 (cmpsi, cmphi, cmpqi): use general_operand instead of
1454 non_immediate_operand. Removes erroneous assumption that can't
1456 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1457 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1459 (movstrsi, movstrsi1, movstrsi2): completely new block move
1461 (...): Patterns to exploit multiply-add instructions.
1462 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1463 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1464 patterns to exploit extended divide insns.
1465 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1468 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1469 float return values as well as simple scalar floats.
1470 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1471 support new flag to denote 32381 fpu.
1472 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1473 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1475 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1476 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1477 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1478 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1479 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1480 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1481 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1482 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1483 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1484 fpu registers and special register classes for new 32381
1485 instructions dotf and polyf.
1486 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1488 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1489 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1491 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1492 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1493 (REGISTER_MOVE_COST): move code to register_move_cost function for
1494 ease of coding and debugging.
1495 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1496 LONG_FLOAT_REGO is likely spilled but not caught by default
1498 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1499 instead of hard coded numbers in range check.
1500 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1501 (...): Add prototypes for functions in ns32k.c but disable because
1502 of problems when ns32k.h is included in machine independant files.
1504 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1505 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1506 hard_regno_mode_ok, secondary_reload_class,
1507 print_operand, print_operand_address): new register scheme to
1508 include 32381 fpu registers and special register classes for new
1509 32381 instructions dotf and polyf.
1510 (gen_indexed_expr): Make static to keep namespace clean.
1511 (check_reg): remove since never called.
1512 (move_tail, expand_block_move): helper functions for "movstrsi"
1514 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1515 Increase cost of moves which go via memory.
1516 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1517 (CPP_PREDEFINES): nolonger predefine "unix".
1519 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1520 Remove erroneous %$. print_operand() can work out from the rtx is
1521 an immediate prefix is required.
1523 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1524 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1525 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1527 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1530 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1531 Correct handling of pic operands.
1532 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1533 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1534 -mrtd calling convention.
1536 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1538 * gcc.c (option_map): Recognize --output-class-directory.
1540 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1542 * loop.h (precondition_loop_p): Added new mode argument.
1543 * unroll.c (precondition_loop_p): Likewise.
1544 (approx_final_value): Function deleted and subsumed
1545 into loop_iterations.
1546 (loop_find_equiv_value): New function.
1547 (loop_iterations): Use loop_find_equiv_value to find increments
1548 too large to be immediate constants. Also use it to find terms
1549 common to initial and final iteration values that can be removed.
1551 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1553 * loop.h (struct loop_info): Define new structure.
1554 (precondition_loop_p): Added prototype.
1555 (unroll_loop): Added new argument loop_info to prototype.
1556 (final_biv_value, final_giv_value): Added new argument n_iterations
1558 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1559 and new pointer loop_info.
1560 (loop_n_iterations): Replace global variable by element in
1561 loop_info structure.
1562 (check_final_value): New argument n_iterations.
1563 (insert_bct): New argument loop_info.
1564 (loop_unroll_factor): Replace global array by element in
1565 loop_info structure.
1566 (loop_optimize): Remove code to allocate and initialise
1567 loop_unroll_factor_array.
1568 * unroll.c (precondition_loop_p): No longer static since
1569 used by branch on count optimization.
1570 (precondition_loop_p, unroll_loop): New argument loop_info.
1571 (final_biv_value, final_giv_value, find_splittable_regs): New
1572 argument n_iterations.
1573 (loop_iteration_var, loop_initial_value, loop_increment,
1574 loop_final_value, loop_comparison_code, loop_unroll_factor):
1575 Replaced global variables by loop_info structure.
1576 (loop_unroll_factor): Replace global array by element in
1577 loop_info structure.
1579 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1581 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1584 * unroll.c (precondition_loop_p): Return loop_initial_value
1585 for initial_value instead of loop_iteration_var.
1587 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1589 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1590 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1591 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1592 to output the instruction sequences.
1594 (rptb_top): Provide alternatives to use any register or memory
1596 (rptb_end): Emit use of operands rather than assigning them
1597 explicitly to the RS and RE registers.
1599 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1601 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1602 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1603 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1604 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1605 c4x_merge_notes, c4x_parallel_process,
1606 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1607 c4x_combine_parallel): Delete.
1609 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1611 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1612 with old target options clear flag_branch_on_count_reg if
1613 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1615 (c4x_output_cbranch): Handle a sequence of insns rather than a
1617 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1618 has not been allocated as the loop counter.
1619 (c4x_address_conflict): Do not allow two volatile memory references.
1620 (valid_parallel_operands_4, valid_parallel_operands_5,
1621 valid_parallel_operands_6): Reject pattern if the register destination
1622 of the first set is used as part of an address in the second set.
1624 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1626 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1627 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1628 is no longer enabled if PARALLEL_MPY_FLAG set.
1629 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1630 (REG_CLASS_CONTENTS): Add braces around initializers.
1631 (HAVE_MULTIPLE_PACK): Define.
1632 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1633 REAL_VALUE_TO_DECIMAL.
1634 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1635 REAL_VALUE_TO_DECIMAL.
1636 (ar0_reg_operand): Add prototype.
1637 (ar0_mem_operand): Likewise.
1638 (ar1_reg_operand): Likewise.
1639 (ar1_mem_operand): Likewise.
1640 (ar2_reg_operand): Likewise.
1641 (ar2_mem_operand): Likewise.
1642 (ar3_reg_operand): Likewise.
1643 (ar3_mem_operand): Likewise.
1644 (ar4_reg_operand): Likewise.
1645 (ar4_mem_operand): Likewise.
1646 (ar5_reg_operand): Likewise.
1647 (ar5_mem_operand): Likewise.
1648 (ar6_reg_operand): Likewise.
1649 (ar6_mem_operand): Likewise.
1650 (ar7_reg_operand): Likewise.
1651 (ar7_mem_operand): Likewise.
1652 (ir0_reg_operand): Likewise.
1653 (ir0_mem_operand): Likewise.
1654 (ir1_reg_operand): Likewise.
1655 (ir1_mem_operand): Likewise.
1656 (group1_reg_operand): Likewise.
1657 (group1_mem_operand): Likewise.
1658 (ir1_reg_operand): Likewise.
1659 (arx_reg_operand): Likewise.
1660 (not_rc_reg): Likewise.
1661 (not_modify_reg): Likewise.
1662 (c4x_group1_reg_operand): Remove prototype.
1663 (c4x_group1_mem_operand): Likewise.
1664 (c4x_arx_reg_operand): Likewise.
1666 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1668 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1669 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1671 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1673 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1676 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1678 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1679 unless FMOVD_WORKS is defined.
1681 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1683 * regclass.c (init_reg_sets): Move code that calculates tables
1684 dependent on reg_class_contents from here...
1685 (init_reg_sets_1): To here.
1687 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1689 * cpplib.h: Delete struct import_file. Add ihash element to
1690 struct cpp_buffer. Delete dont_repeat_files and
1691 import_hash_table elements from cpp_reader; change
1692 all_include_files to a hash table. Delete all foobar_include
1693 / last_foobar_include elements from struct cpp_options; put
1694 back four such: quote_include, bracket_include,
1695 system_include, after_include. Redo struct file_name_list
1696 completely. Add new structure type include_hash. Add
1697 prototypes for merge_include_chains and include_hash. Change
1698 prototypes for finclude, find_include_file, and
1699 append_include_chain to match changes below.
1701 * cppfiles.c (simplify_pathname, include_hash,
1702 remap_filename, merge_include_chains): New functions.
1703 (add_import, lookup_import, open_include_file): Removed.
1704 (INO_T_EQ): Define this (copied from cccp.c).
1705 (hack_vms_include_specification): Remove all calls and #if 0
1706 out the definition. It was being called incorrectly and at
1707 the wrong times. Until a VMSie can look at this, it's better
1708 to not pretend to support it.
1709 (append_include_chain): Change calling convention; now takes
1710 only one directory at a time, and sets up the data structure
1712 (redundant_include_p): Rewritten - this is now used for all
1713 include redundancy, whether by #ifndef, #import, or #pragma
1714 once. Looks up things in the include hash table.
1715 (file_cleanup): Decrement pfile->system_include_depth here if
1717 (find_include_file): Calling convention changed; now passes
1718 around a struct include_hash instead of 3 separate parameters.
1719 Guts ripped out and replaced with new include_hash mechanism.
1720 (finclude): Calling convention changed as for
1721 find_include_file. Error exits pulled out-of-line. Reformat.
1722 (safe_read): Return a long, not an int.
1723 (deps_output): Don't recurse.
1725 * cpplib.c (is_system_include): Deleted.
1726 (path_include): Fix up call to append_include_chain.
1727 (do_include): Fix up calls to find_include_file and finclude.
1728 Clean up dependency output a bit. Shorten obnoxiously lengthy
1729 #import warning message. Don't decrement
1730 pfile->system_include_depth here.
1731 (do_pragma): Understand the include_hash structure. Reformat.
1732 (do_endif): Correct handling of control macros. Understand
1734 (cpp_start_read): Fix up calls to finclude. Call
1735 merge_include_chains.
1736 (cpp_handle_option): Fix up calls to append_include_chain.
1737 Understand the four partial include chains.
1738 (cpp_finish): Add debugging code (#if 0-ed out) for the
1740 (cpp_cleanup): Free the include_hash, not the import hash and
1741 the all_include and dont_repeat lists which no longer exist.
1743 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1745 * toplev.c (no_new_pseudos): Define.
1746 (rest_of_compilation): Set no_new_pseudos as needed.
1747 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1748 if no_new_pseudos is set.
1749 * rtl.h (no_new_pseudos): Declare it.
1750 * reload1.c (reload): Update comments.
1751 * md.texi: Corresponding changes.
1753 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1755 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1756 (choose_reload_regs): Rename it here as well. When computing it,
1757 also merge in used hardregs.
1759 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1761 * gcc.c: Split out Objective-C specs to...
1762 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1765 * c-lex.c (init_parse): Always initialize the filename global.
1766 * objc/objc-act.c (lang_init): Always call check_newline at
1769 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1771 * reload1.c (reload): Remove unused variable.
1772 (reload_reg_free_for_value_p): Add missing parameter definition.
1774 * jump.c (jump_optimize): Remove unused variable.
1776 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1778 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1780 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1782 * expr.c (move_by_pieces): Similarly.
1783 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1784 * flow.c (find_auto_inc): Similarly.
1785 (try_pre_increment): Similarly.
1786 * loop.c (strength_reduce): Similarly.
1787 * regclass.c (auto_inc_dec_reg_p): Similarly.
1788 * regmove.c (try_auto_increment): Similarly.
1789 (fixup_match_1): Similarly.
1790 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1791 (HAVE_PRE_DECREMENT): Similarly.
1792 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1793 * Corresponding changes to all target header files.
1794 * tm.texi: Update docs for autoinc addressing modes.
1796 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1798 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1799 * configure: Rebuild.
1800 * config/elfos.h: New file.
1801 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1802 config/m68k/t-m68kelf: New file.
1804 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1806 * Makefile.in (HOST_AR): Define.
1807 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1808 (libcpp.a): Use the host tools explicitly.
1809 (STAGESTUFF): Add libcpp.a.
1811 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1813 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1814 to source and destination registers.
1816 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1818 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1819 The strategy we now use is to pre allocate the top_elt along
1820 with the EH context so that each thread has its own top_elt.
1821 This is necessary as the dynmanic cleanup chain is used on the
1822 top element of the stack and each thread MUST have its own.
1823 (eh_context_static): Likewise.
1824 (new_eh_context): Likewise.
1825 (__sjthrow): Likewise.
1827 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1829 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1830 * i386.md (prologue_get_pc): Remove unused variable.
1832 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1834 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1836 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1838 * Makefile.in (OBJS): Add graph.o
1839 (graph.o): New dependency list.
1840 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1841 * print-rtl.c (dump_for_graph): Define new variable.
1842 (print_rtx): Rewrite to allow use in graph dumping functions.
1843 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1844 finish_graph_dump_file.
1845 Define graph_dump_format.
1846 (compile_file): If graph dumping is enabled also clear these files.
1847 Finish graph dump files.
1848 (rest_of_compilation): Also dump graph information if enabled.
1849 (main): Recognize -dv to enabled VCG based graph dumping.
1850 * graph.c: New file. Graph dumping functions.
1852 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1854 * configure.in: Look for <sys/stat.h>.
1855 * system.h: Include it before substitute S_ISREG definitions.
1857 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1859 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1860 * config/mips/iris6.h: Same.
1861 * config/mips/mips.md: Same.
1862 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1863 * config/mips/mips.h: Same; also define ABI_O64.
1865 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1867 * configure.in: Use AC_PREREQ(2.12.1).
1869 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1871 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1872 * cpplib.c, gcc.c: Likewise.
1873 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1875 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1877 * local-alloc.c (local_alloc): Use malloc not alloca for
1878 reg_qty, reg_offset, ref_next_in_qty.
1880 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1882 * caller-save.c (insert_one_insn): Initialize the live_before and
1883 live_after register sets.
1887 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1888 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1889 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1890 (fp_reg_names, assembler_dialect): New variables.
1891 (print_operand_address): Handle SUBREGs.
1892 (print_operand): Added 'o' case.
1893 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1894 Name of FP registers depends on mode.
1895 (expand_block_move): Emit different code for SH4 hardware.
1896 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1897 (from_compare): Likewise.
1898 (add_constant): New argument last_value. Changed all callers.
1899 (find_barrier): Don't try HImode load for FPUL_REG.
1900 (machine_dependent_reorg): Likewise.
1901 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1902 (gen_far_branch): Emit a barrier after the new jump.
1903 (barrier_align): Don't trust instruction lengths before
1905 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1906 Use auto-inc addressing for fp registers if doubles need to
1907 be loaded in two steps.
1908 Set sh_flag_remove_dead_before_cse.
1909 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1910 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1911 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1912 Support for FIRST_XD_REG .. LAST_XD_REG.
1913 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1914 (sh_expand_epilogue): Likewise.
1915 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1916 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1917 (arith_reg_operand): FPUL_REG is OK for SH4.
1918 (fp_arith_reg_operand, fp_extended_operand) New functions.
1919 (tertiary_reload_operand, fpscr_operand): Likewise.
1920 (commutative_float_operator, noncommutative_float_operator): Likewise.
1921 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1922 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1923 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1924 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1925 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1926 (CONDITIONAL_REGISTER_USAGE): Likewise.
1927 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1928 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1929 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1930 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1931 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1932 to -1 and sh_flag_remove_dead_before_cse to 1.
1933 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1934 (assembler_dialect, fp_reg_names): Declare.
1935 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1936 Hide names of registers that are not accessible.
1937 (CACHE_LOG): Take TARGET_CACHE32 into account.
1938 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1939 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1940 (FIRST_PSEUDO_REGISTER: Now 49.
1941 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1942 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1943 (HARD_REGNO_MODE_OK): Update.
1944 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1945 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1946 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1947 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1948 (NPARM_REGS): Eight floating point parameter registers on SH4.
1949 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1950 in floating point registers.
1951 (GET_SH_ARG_CLASS) Likewise.
1952 Complex float types are also returned in float registers.
1953 (BASE_ARG_REG): Complex float types are also passes in float registers.
1954 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1955 (LIBCALL_VALUE): Remove trailing semicolon.
1956 (ROUND_REG): Round when double precision value is passed in floating
1958 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1959 passed on the stack.
1960 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1961 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1962 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1963 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1964 (MODE_DISP_OK_8): Not for SH4 DFmode.
1965 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1966 Allow indexed addressing for PSImode after reload.
1967 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1968 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1969 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1970 (DOUBLE_TYPE_SIZE): 64 for SH4.
1971 (RTX_COSTS): Add PLUS case.
1972 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1973 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1974 MAC_REGS, PR_REGS, DF_REGS.
1975 (REGISTER_NAMES): Use fp_reg_names.
1976 (enum processor_type): Add PROCESSOR_SH4.
1977 (sh_flag_remove_dead_before_cse): Declare.
1978 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1979 (PREDICATE_CODES): Add binary_float_operator,
1980 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1981 fpscr_operand, noncommutative_float_operator.
1982 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1983 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1984 * sh.md (attribute cpu): Add value sh4.
1985 (attrbutes fmovd, issues): Define.
1986 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1987 (function units memory, int, mpy, fp): Make dependent on issue rate.
1988 (function units issue, single_issue, load_si, load): Define.
1989 (function units load_store, fdiv, gp_fpul): Define.
1990 (attribute hit_stack): Provide proper default.
1991 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1992 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1993 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1994 (mulsi3_call): Now uses match_operand for function address.
1995 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1997 (push, pop, push_e, pop_e): Now define_expands.
1998 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1999 (movsi_ie): Added y/i alternative.
2000 (ic_invalidate_line_i, movdf_i4): New insns.
2001 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2002 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2003 (movdf): Add special code for SH4.
2004 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2005 (call_valuei, calli, call_value): Likewise.
2006 (movsf): Emit no-op move.
2007 (mov_nop, movsi_y): New insns.
2008 (blt, sge): generalize to handle DFmode.
2009 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2010 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2011 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2012 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2013 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2014 (toggle_sz): New insn.
2015 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2016 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2017 (macsf3): Make use of fpscr visible. Disable for SH4.
2018 (floatsisf2): Make use of fpscr visible.
2019 (floatsisf2_i4): New insn.
2020 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2021 (ieee_ccmpeqsf_t): Likewise.
2022 (fix_truncsfsi2): Emit different code for SH4.
2023 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2024 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2025 (negsf2, sqrtsf2, abssf2): Now expanders.
2026 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2027 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2028 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2029 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2030 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2031 (fix_truncdfsi2_i4_2+1): New splitters.
2032 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2033 (extendsfdf2, truncdfsf2): New expanders.
2034 (truncdfsf2_i4): New insn.
2035 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2036 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2037 * float-sh.h: When testing for __SH3E__, also test for
2038 __SH4_SINGLE_ONLY__ .
2039 * va-sh.h (__va_freg): Define to float.
2040 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2041 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2042 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2043 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2045 (TARGET_SH4_P): Define.
2048 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2049 init_expr_once is satisfied about the existence of load / store insns.
2051 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2052 change m constraint in source operand to mr / mf .
2054 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2056 * (__VA_REEF): Define.
2057 (__va_arg_sh1): Use it.
2059 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2061 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2063 * i386/dgux.c (struct option): Add new "description field".
2064 * m88k/m88k.c (struct option): Likewise.
2066 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2068 * version.c: Bump for snapshot.
2070 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2072 * regmove.c (regmove_profitable_p): Use return value of find_matches
2075 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2077 * version.c: Bump for snapshot.
2079 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2081 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2082 without reload having been called earlier.
2084 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2086 (v850_reorg): Similarly.
2088 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2090 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2092 * loop.c (move_movables): Start of libcall might be new loop start.
2094 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2096 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2098 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2100 * function.c (nonlocal_goto_handler_slots): Renamed from
2101 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2102 (push_function_context_to): Adjust for this change.
2103 (pop_function_context_from): Likewise.
2104 (init_function_start): Likewise.
2105 (expand_function_end): Likewise.
2106 * function.h (struct function): Likewise.
2107 * calls.c (expand_call): Likewise.
2108 * explow.c (allocate_dynamic_stack_space): Likewise.
2109 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2110 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2112 (expand_goto): When doing a nonlocal goto, find corresponding handler
2113 slot for it. Don't put the label address in the static chain register.
2114 (expand_end_bindings): Break out nonlocal goto handling code into
2115 three new functions.
2116 (expand_nl_handler_label, expand_nl_goto_receiver,
2117 expand_nl_goto_receivers): New static functions, broken out of
2118 expand_end_bindings and adapted to create one handler per nonlocal
2120 * function.c (delete_handlers): Delete insn if it references any of
2121 the nonlocal goto handler slots.
2122 * i960.md (nonlocal_goto): Comment out code that modifies
2124 * sparc.md (nonlocal_goto): Likewise.
2125 (goto_handler_and_restore_v9): Comment out.
2126 (goto_handler_and_restore_v9_sp64): Comment out.
2128 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2130 * expr.c (STACK_BYTES): Delete unused macro.
2131 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2132 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2133 (expand_call): Likewise.
2134 (emit_library_call): Likewise.
2135 (emit_library_call_value): Likewise.
2136 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2137 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2138 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2139 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2140 (allocate_dynamic_stack_space): Likewise.
2141 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2142 (STACK_BOUNDARY): Update description to reflect the new situation.
2144 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2146 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2147 return with a filled delay slot is followed by a return with an
2148 unfilled delay slot, delete the first return and reemit the insn
2149 that was previously in its delay slot.
2151 * i860.c (single_insn_src_p): Add missing parens.
2152 * ginclude/math-3300.h: Likewise.
2154 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2156 * regclass.c (init_reg_sets_1): Add prototype.
2157 (init_reg_modes): Likewise.
2159 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2161 * c-common.c: Change warning messages to say `comparison is
2162 always true' or `comparison is always false' instead of the
2163 confusing `is always 0', `is always 1'.
2165 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2167 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2168 break instead of return (which loses closing '>').
2170 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2172 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2173 standard 387 constants.
2175 * i386.md (jump): Explicitly set "memory" attribute.
2176 (indirect_jump, prologue_set_stack_ptr): Likewise.
2177 (prologue_get_pc_and_set_got, pop): Likewise.
2178 (allocate_stack_worder, blockage, return_internal): Likewise.
2179 (return_pop_internal, nop): Likewise.
2180 (epilogue_set_stack_ptr, leave): Likewise.
2182 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2184 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2186 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2188 * reload1.c (reload_reg_free_for_value_p):
2189 Early auto_inc reloads don't conflict with outputs.
2191 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2193 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2194 Instead call AC_HEADER_SYS_WAIT.
2196 * collect2.c: Don't provide defaults for sys/wait.h macros.
2198 * protoize.c: Likewise. Also, don't include sys/wait.h.
2200 * system.h: Include sys/wait.h and provide macro defaults.
2202 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2204 * Makefile.in (mandir): Set to @mandir@.
2205 (man1dir): New variable to hold the former value of $(mandir).
2206 Replace all uses of $(mandir) by $(man1dir).
2208 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2210 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2211 a new one before passing it to force_const_mem.
2213 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2214 find_reloads_address call.
2216 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2218 * expr.c (store_expr): Don't generate load-store pair
2219 if TEMP is identical (according to ==) with TARGET.
2221 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2223 * reload1.c (reload_reg_free_for_value_p): When considered reload
2224 has an output, matching inputs are not sufficient to avoid conflict.
2226 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2228 * hash.h (hash_table_key): New type.
2229 (hash_entry): Change `string' field to generic `key'.
2230 (hash_table): Add `comp' and `hash' functions.
2231 (hash_table_init): Take them as input.
2232 (hash_table_init_n): Likewise.
2233 (hash_lookup): Modify for generic keys.
2234 (hash_newfunc): Likewise.
2235 (hash_traverse): Likewise.
2236 (string_hash): New function.
2237 (string_compare): Likewise.
2238 (string_copy): Likewise.
2239 * hash.c (hash_table_init_n): Modify for generic keys.
2240 (hash_table_init): Likewise.
2241 (hash_lookup): Likewise.
2242 (hash_newfunc): Likewise.
2243 (hash_traverse): Likewise.
2244 (string_hash): Split out from hash_lookup.
2245 (string_compare): New function.
2246 (string_copy): Split out from hash_lookup.
2247 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2249 (symbol_hash_lookup): Likewise.
2250 (file_hash_newfunc): Likewise.
2251 (file_hash_lookup): Likewise.
2252 (demangled_hash_newfunc): Likewise.
2253 (demangled_hash_lookup): Likewise.
2254 (tlink_int): Likewise.
2255 (read_repo_file): Likewise.
2256 (recompile_files): Likewise.
2257 (demangle_new_symbols): Likewise.
2258 (scan_linker_output): Likewise.
2260 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2262 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2264 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2266 * rs6000.c (output_mi_thunk): Improve test for local branch.
2268 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2270 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2272 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2274 * reload1.c (reload_reg_free_before_p): Delete.
2275 Changed all callers to use reload_reg_free_for_value_p instead.
2276 (reload_reg_free_for_value_p): Handle more reload types.
2277 A RELOAD_FOR_INPUT doesn't conflict with its
2278 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2279 Add special case for OUT == const0_rtx.
2280 Added ignore_address_reloads argument. Changed all callers.
2282 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2284 * toplev.c (compile_file): Don't pedwarn about undefined static
2285 functions just because we passed -Wunused.
2287 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2289 * function.c (purge_addressof_1): Unshare rtl created by
2292 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2294 * regmove.c (regmove_optimize): Don't do anything but
2295 optimize_reg_copy[123] when flag_regmove is not set.
2297 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2299 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2300 value in paradoxical SImode result, rather than truncating midpoint.
2302 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2304 * alpha.c (reg_not_elim_operand): New.
2305 * alpha.h (PREDICATE_CODES): Add it.
2306 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2307 for the multiplicand.
2309 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2311 * rs6000.md (movsf): Remove explicit secondary-reload-like
2312 functionality. Only truncate SFmode store if in FPR.
2313 (movsf splitters): Combine const_double splitters.
2314 (movsf_hardfloat): Add GPR support.
2316 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2318 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2319 deprecate -mlive-g0 and -mbroken-saverestore.
2320 * t-splet (MULTILIB_OPTIONS): Likewise.
2322 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2323 in a leaf function. Clarify total_size/extra_size relationship.
2325 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2327 * i386/cygwin32.asm: Delete.
2328 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2329 * i386/cygwin32.h: Delete.
2330 * i386/cygwin.h: New file, renamed from cygwin32.h.
2331 * i386/t-cygwin32: Delete.
2332 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2333 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2334 * i386/x-cygwin32: Delete.
2335 * i386/x-cygwin: New file, renamed from x-cygwin32.
2336 * i386/xm-cygwin32: Delete.
2337 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2338 renamed cygwin_ funcs for path translations.
2339 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2340 * i386/winnt.c: Remove "32" from comment about cygwin.
2341 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2342 * rs6000/cygwin32.h: Delete.
2343 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2344 -D__CYGWIN__ to CPP_PREDEFINES.
2345 * rs6000/x-cygwin32: Delete.
2346 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2347 * rs6000/xm-cygwin32: Delete.
2348 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2350 * configure.in: Check for cygwin* instead of cygwin32. Account
2351 for the rename of cygwin-related config files to lose the "32"s.
2352 * configure: Regenerate.
2354 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2355 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2357 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2359 * Makefile.in (JAVAGC): New macro.
2360 * configure: Rebuilt.
2361 * configure.in: Recognize --enable-java-gc argument. Subst
2364 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2366 Handle equivalences that have been obscured by gcse:
2368 * reload1.c (reload): Handle equivalences set up in multiple places.
2369 * local-alloc.c (reg_equiv_init_insns): New variable.
2370 (no_equiv): New function.
2371 (update_equiv_regs): Handle equivalences set up in multiple places.
2372 Don't ignore an insn just because its destination is likely to be
2375 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2377 * except.c (expand_eh_return): Readd force_operand call lost in
2380 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2382 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2384 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2386 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2388 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2390 * regmove.c (regmove_optimize): Fix error in last change.
2392 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2394 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2395 offset in the .mask pseudo to compensate for frame pointer adjustments.
2396 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2397 word swap arguments moved to/from FP registers.
2398 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2400 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2402 * version.c: Bump for snapshot.
2404 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2406 * version.c: Bump for snapshot.
2408 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2410 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2411 times, then it can not be completely replaced.
2413 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2415 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2417 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2419 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2420 (to distinguish it from the macro wrapping ansidecl.h.)
2421 Include libiberty's ansidecl.h. Remove all redundant definitions.
2422 Define the PROTO() style macros in terms of the PARAMS() ones.
2425 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2426 __STDC__, when deciding whether to use ANSI variable args.
2427 (emit_library_call_value): Likewise.
2429 * cccp.c (error): Likewise.
2430 (warning): Likewise.
2431 (error_with_line): Likewise.
2432 (warning_with_line): Likewise.
2433 (pedwarn): Likewise.
2434 (pedwarn_with_line): Likewise.
2435 (pedwarn_with_file_and_line): Likewise.
2438 * cexp.y (error): Likewise.
2439 (pedwarn): Likewise.
2440 (warning): Likewise.
2442 * collect2.c (fatal_perror): Likewise.
2446 * combine.c (gen_rtx_combine): Likewise.
2448 * cpperror.c (cpp_message): Likewise.
2449 (cpp_fatal): Likewise.
2451 * cpplib.c (cpp_error): Likewise.
2452 (cpp_warning): Likewise.
2453 (cpp_pedwarn): Likewise.
2454 (cpp_error_with_line): Likewise.
2455 (cpp_warning_with_line): Likewise.
2456 (cpp_pedwarn_with_line): Likewise.
2457 (cpp_pedwarn_with_file_and_line): Likewise.
2459 * cpplib.h: Don't define PARAMS() macro.
2461 * demangle.h: Likewise.
2463 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2464 when deciding whether to use ANSI variable args.
2466 * emit-rtl.c (gen_rtx): Likewise.
2467 (gen_rtvec): Likewise.
2469 * final.c (asm_fprintf): Likewise.
2471 * fix-header.c (cpp_message): Likewise.
2473 (cpp_fatal): Likewise.
2475 * gcc.c (concat): Likewise.
2479 * genattr.c (fatal): Likewise.
2481 * genattrtab.c (attr_rtx): Likewise.
2482 (attr_printf): Likewise.
2485 * gencodes.c (fatal): Likewise.
2487 * genconfig.c (fatal): Likewise.
2489 * genemit.c (fatal): Likewise.
2491 * genextract.c (fatal): Likewise.
2493 * genflags.c (fatal): Likewise.
2495 * genopinit.c (fatal): Likewise.
2497 * genoutput.c (fatal): Likewise.
2500 * genpeep.c (fatal): Likewise.
2502 * genrecog.c (fatal): Likewise.
2504 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2505 deciding whether to declare `tree_node' and `rtx_def'.
2507 * hash.h: Don't define stuff we get from gansidecl.h.
2509 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2510 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2511 whether to use ANSI variable args.
2514 * prefix.c (concat): Likewise.
2518 * system.h: Likewise.
2520 * toplev.c (error_with_file_and_line): Likewise.
2521 (error_with_decl): Likewise.
2522 (error_for_asm): Likewise.
2525 (warning_with_file_and_line): Likewise.
2526 (warning_with_decl): Likewise.
2527 (warning_for_asm): Likewise.
2528 (warning): Likewise.
2529 (pedwarn): Likewise.
2530 (pedwarn_with_decl): Likewise.
2531 (pedwarn_with_file_and_line): Likewise.
2533 (really_sorry): Likewise.
2535 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2536 whether to declare `tree_node' and `rtx_def'.
2538 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2539 deciding whether to use ANSI variable args.
2540 (build_nt): Likewise.
2541 (build_parse_node): Likewise.
2543 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2545 * version.c: Bump for snapshot.
2547 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2549 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2551 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2553 * collect2.c (main, case 'b'): Use else if.
2555 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2557 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2558 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2559 before the config/ directory headers.
2560 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2561 gansidecl.h in the list of dependencies.
2563 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2564 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2565 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2566 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2567 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2568 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2571 * cccp.c: Don't include gansidecl.h.
2573 * collect2.c: Likewise.
2574 * config/c4x/c4x.c: Likewise.
2575 * config/v850/v850.h: Likewise.
2576 * cppalloc.c: Likewise.
2577 * cpperror.c: Likewise.
2578 * cppexp.c: Likewise.
2579 * cppfiles.c: Likewise.
2580 * cpphash.c: Likewise.
2581 * cpplib.c: Likewise.
2582 * cppmain.c: Likewise.
2583 * cppulp.c: Likewise.
2584 * demangle.h: Likewise.
2585 * doprint.c: Likewise.
2586 * dyn-string.c: Likewise.
2587 * eh-common.h: Likewise.
2588 * fix-header.c: Likewise.
2589 * frame.c: Likewise.
2592 * gen-protos.c: Likewise.
2593 * gencheck.c: Likewise.
2594 * halfpic.h: Likewise.
2596 * machmode.h: Likewise.
2597 * mbchar.c: Likewise.
2598 * prefix.c: Likewise.
2599 * protoize.c: Likewise.
2600 * recog.h: Likewise.
2602 * scan-decls.c: Likewise.
2604 * varray.h: Likewise.
2606 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2608 * i386.md (call_value_pop): If we're not popping anything,
2609 defer to call_value.
2610 (call_pop): Likewise defer to call.
2612 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2614 * function.c (purge_addressof): Clear purge_addressof_replacements
2615 only after processing the whole function.
2617 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2619 * reload1.c (reload): If we can not perform a particular elimination
2620 when we thought we could earlier, then we must always iterate through
2621 the loop at least one more time.
2623 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2625 * alpha.c (add_operand): Simplify the CONST_INT match.
2626 (sext_add_operand): Correct typo in comparison by using
2627 CONST_OK_FOR_LETTER_P.
2628 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2629 constant alternatives to be generated.
2630 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2631 small constants, since the hw instructions do.
2633 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2635 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2636 previous insn to store directly into our reload register, make sure
2637 that if the source of the previous insn is a reload register, its
2638 spill_reg_store and spill_reg_stored_to values are cleared.
2640 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2642 * rs6000.md (floatunssidf2_internal splitter): Use base register
2643 operand, not hard-coded SP.
2645 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2647 * jump.c (calculate_can_reach_end): Fix thinko.
2649 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2651 * reorg.c (fill_simple_delay_slots): Fix typo.
2653 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2655 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2657 * i386.md (extendsidi2): Use # in the output template.
2658 (extendsidi splitters): New splitters.
2660 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2662 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2664 * configure: Regenerate.
2666 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2668 * jump.c (init_label_info, delete_barrier_successors,
2669 mark_all_labels, delete_unreferenced_labels,
2670 delete_noop_moves, calculate_can_reach_end): New functions broken
2671 out of jump_optimize.
2672 (jump_optimize): Use them.
2674 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2676 * except.c (expand_fixup_region_end): Make sure outer context labels
2677 are not issued in an inner context during cleanups.
2679 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2681 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2684 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2686 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2687 to expose this midpoint to CSE.
2689 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2691 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2693 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2695 * configure.in: Bring over gcc2 change of Nov 19 1997.
2697 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2699 * toplev.c (output_lang_identify): Make definition dependent on
2700 ASM_IDENTIFY_LANGUAGE.
2702 * print-rtl.c (spaces): Make static.
2704 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2706 * extend.texi: Clarify proper uses for register clobbers in asms.
2708 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2710 * recog.h (enum op_type): Define.
2711 (constrain_operands): Adjust prototype.
2712 (recog_op_type): Declare new variable.
2713 * recog.c (recog_op_type): New variable.
2714 (insn_invalid_p): Allow modifying an asm statement after reload.
2715 (extract_insn): Set up recog_op_type.
2716 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2717 Don't compute operand types, use recog_op_type.
2718 Use the information computed by extract_insn instead of the previous
2719 method of finding it by insn code number.
2720 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2721 * reorg.c (fill_slots_from_thread): Likewise.
2722 * reload1.c (reload_as_needed): Likewise.
2723 (gen_reload): Likewise.
2724 (inc_for_reload): Likewise.
2725 (reload_cse_simplify_operands): Likewise.
2726 Use the information computed by extract_insn instead of the previous
2727 method of finding it by insn code number.
2728 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2730 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2731 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2732 Use the information computed by extract_insn instead of the previous
2733 method of finding it by insn code number.
2734 * regmove.c (find_matches): Likewise. Change meaning of the return
2735 value to be nonzero if the optimization can be performed, zero if
2736 not. All callers changed.
2737 Shorten some variable names to fix formatting problems.
2738 (regmove_optimize): Shorten some variable names to fix formatting
2740 Use the information computed by extract_insn instead of the previous
2741 method of finding it by insn code number.
2742 * regclass.c (scan_one_insn): Likewise.
2743 (record_reg_classes): Don't compute operand types, use recog_op_type.
2744 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2745 recog_constraints instead.
2747 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2749 * rtl.h (flow2_completed): Declare.
2750 * flow.c (flow2_completed): Definition.
2751 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2754 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2756 * Makefile.in (libcpp.a): Ranlib libcpp.a
2758 * cppulp.c (user_label_prefix): Initialize.
2760 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2762 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2763 at a RETURN if current_function_sp_is_unchanging is set.
2765 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2767 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2769 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2771 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2772 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2773 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2774 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2775 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2776 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2778 (LIB_SPEC): Handle -mno-cyginw option.
2779 (LINK_SPEC): Handle -mdll.
2781 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2783 * reload.c (find_reloads): Fix test for usage by other reload
2784 to handle secondary reloads properly.
2786 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2788 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2789 intermediate structure which has exactly the members provided by
2790 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2791 static intermediate structure.
2793 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2794 from the intermediate structure. Do the same analogous fix in
2795 the case where ELIMINABLE_REGS is not defined.
2797 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2799 * pa.h (SELECT_SECTION): Fix thinko.
2801 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2803 * dwarf2out.c (output_call_frame_info): Comments on last change.
2805 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2807 * arm.c (add_constant): When taking the address of an item in the
2808 pool, get the mode of the item addressed.
2810 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2811 contain a SET or a PARALLEL, don't consider it for conditional
2814 Restore ABI compatibility for NetBSD.
2815 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2817 (RETURN_IN_MEMORY): Likewise.
2819 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2821 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2822 (m32r_output_block_move): Rewrite bytes < 4 handling.
2824 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2826 * configure.in: Call AC_FUNC_VFORK.
2828 * collect2.c: Define VFORK_STRING as a printable string for
2829 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2830 defined, include vfork.h. If VMS is defined, define vfork()
2831 appropriately. Remove vfork check on USG, we're using autoconf.
2832 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2833 checking locally what string to pass.
2834 (scan_prog_file): Likewise.
2835 (scan_libraries): Likewise.
2837 * gcc.c: Remove vfork check on USG, we're using autoconf.
2838 Besides, no calls to vfork/fork occur in this file.
2840 * protoize.c: Likewise.
2842 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2844 * configure.in (DEFAULT_LINKER): renamed from LD
2845 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2846 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2847 * configure: rebuilt
2849 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2851 * BUGS: fix the regexp for `more' to find the appropriate node.
2852 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2854 * BUGS: added link to the WWW FAQ
2856 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2858 * version.c: Bump for snapshot.
2860 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2862 * From Christian Gafton:
2863 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2864 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2865 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2867 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2869 * c-common.c (c_get_alias_set): Allow all type-punning through
2870 unions. Don't get confused about the type of a bit-field, despite
2871 the antics of build_modify_expr.
2873 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2875 * fixinc.sco: Paramaterize #include_next values.
2876 * fixinc/fixinc.sco: Likewise.
2878 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2880 * toplev.c (rest_of_compilation): No longer set reload_completed.
2881 * reload1.c (reload): Set it here. Perform instruction splitting
2882 after reload has completed if we will be running the scheduler
2885 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2887 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2888 EH region if exceptions are enabled and we're performing cross
2890 (find_cross_jump): Exit loop if the insns are in different EH regions.
2892 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2894 * dwarf2out.c (output_call_frame_info): Use
2895 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2897 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2899 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2900 * c-common.c (check_format_info): Don't check for the 'x'
2901 format character twice, instead check for 'x' and 'X'
2903 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2905 * configure.in (assembler features): Also make gas is configured if
2906 we find it in the souce tree.
2908 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2910 * i386.c (i386_comp_type_attributes): Compare whether the
2911 attributes are defined, not their tree nodes.
2913 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2915 * configure.in (gxx_include_dir): bitten by autoconf quoting
2917 * configure: rebuilt
2919 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2921 * configure.in: Ignore non-absolute value in $AS.
2923 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2925 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2927 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2929 * configure.in (msdosdjgpp): Set exeext and target_alias.
2931 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2933 * flow.c (XNMALLOC): New macro.
2934 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2936 (add_edge, add_edge_to_label): New static functions.
2937 (free_bb_memory): New function.
2938 (flow_delete_insn): Delete function.
2939 (basic_block_drops_in): Delete variable.
2940 (find_basic_blocks): Allocate and initialize basic_block_head,
2941 basic_block_succ. Don't allocate basic_block_drops_in.
2942 Call free_bb_memory at the beginning.
2943 (find_basic_blocks_1): Don't do multiple passes.
2944 Delete code to compute basic_block_drops_in.
2945 After calling make_edges, mark blocks reached by current block live.
2946 Update test for unreachable live blocks.
2947 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2949 Simplify to call add_edge_to_label when a LABEL_REF is found.
2950 (make_edges): Simplify to call add_edge_to_label instead of
2951 mark_label_ref most of the time.
2952 Compute here whether control drops into the next block.
2953 (delete_unreachable_blocks): Return void. All callers changed.
2954 Delete unreachable blocks in reverse order.
2955 After deleting all unreachable blocks, renumber the remaining ones
2956 and update n_basic_blocks.
2957 (delete_block): Speed up deletion a bit.
2958 Don't set basic_block_drops_in for deleted blocks.
2959 (free_basic_block_vars): Don't free basic_block_drops_in.
2960 (life_analysis_1): Update to use new edge representation.
2961 (dump_flow_info): Delete code to print basic block info; call
2962 dump_bb_data instead.
2963 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2964 and uid_block_number.
2965 Simply copy the previously computed cfg.
2966 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2967 Print register lifetime information if LIVE_INFO is nonzero.
2968 * basic-block.h (dump_bb_data): Adjust prototype.
2969 * gcse.c (gcse_main): Update call to dump_bb_data.
2970 * rtl.h (free_bb_memory): Declare.
2971 * toplev.c (rest_of_compilation): Call free_bb_memory.
2973 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2974 (update_eliminable_offsets): Don't compute it.
2975 (set_initial_elim_offsets): Don't initialize it.
2976 Break out some code into set_initial_label_offsets so the rest of
2977 this function can be called from reload_as_needed.
2978 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2979 ELIMINABLE_REGS isn't.
2980 (set_initial_label_offsets): New function, broken out of
2981 set_initial_elim_offsets.
2982 (set_offsets_for_label): New function, broken out of set_label_offsets
2983 and reload_as_needed.
2984 (reload): Call the two new functions.
2985 (reload_as_needed): Call set_initial_elim_offsets instead of
2986 duplicating the code. Likewise for set_offsets_for_label.
2988 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2989 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2990 any hard reg, reg_reloaded_dead contains valid data.
2992 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2994 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2995 "stdcall" and "cdecl" attributes.
2997 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2999 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3000 handle deleted no-op moves of hard registers.
3001 * haifa-sched.c (update_flow_info): Likewise.
3003 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3005 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3006 of the sequences to reload the HILO register which do not actually
3009 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3011 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3013 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3015 * except.c (emit_eh_context): Make the EH context register stay alive
3016 at -O0 so stupid.c doesn't get confused.
3018 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3020 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3022 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3023 Jeffrey A Law (law@cygnus.com)
3025 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3026 (zero_extendsidi2): Use # in output template and handle completely by
3028 (zero_extend splitters): New define_splits.
3029 (ashiftrt_32): New pattern.
3031 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3033 * tree.c (append_random_chars): New fn.
3034 (get_file_function_name_long): Use it.
3036 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3038 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3039 (LIBCPP_OBJS): New. Add cppulp.o.
3040 (cppmain, fix-header): Depend on and use libcpp.a.
3041 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3042 of the individual object files.
3043 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3046 * cccp.c (user_label_prefix): New.
3047 (main): Set it off -f*leading-underscore.
3048 (special_symbol): Use it.
3049 * cpplib.c (special_symbol): Likewise.
3050 (cpp_handle_option): Handle -f*leading-underscore.
3051 * cppulp.c: New file.
3053 * output.h (user_label_prefix): Declare it.
3054 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3055 * toplev.c (f_options, main): Handle -f*leading-underscore.
3057 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3058 referencing USER_LABEL_PREFIX directly.
3059 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3060 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3061 * final.c (asm_fprintf): Use user_label_prefix instead.
3062 * arm/thumb.c (thumb_print_operand): Likewise.
3064 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3065 cpp wherever appropriate.
3067 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3069 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3070 specific compiler switches.
3072 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3074 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3077 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3079 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3080 structure which has exactly the members provided by EXTRA_SPECS.
3081 Xmalloc() the real `extra_specs', and initialize it from this
3082 intermediate structure.
3084 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3086 * mips.h (EXTRA_SPECS): Likewise.
3088 * sparc.h (EXTRA_SPECS): Likewise.
3090 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3092 * function.c (purge_addressof_1): Instead of aborting when a
3093 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3094 work just put the ADDRESSOF on stack. Otherwise remember all such
3095 successfull replacements, so that exactly the same replacements
3096 can be made on the REG_NOTEs. Remove the special case for CALL
3098 (purge_addressof_replacements): New variable.
3099 (purge_addressof): Clear it at end.
3101 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3103 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3104 (lang_init): Call check_newline always.
3105 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3106 cpp_start_read, set yy_cur and yy_lim to read from
3107 parse_in.token_buffer, so that we'll see the first #line
3109 * cpplib.c (cpp_start_read): finclude the main input file
3110 before processing -include/-imacros. Process -imacros and
3111 -include separately, and handle -include by stacking a
3112 buffer for the file in question as if it'd been #included.
3113 * toplev.c (documented_lang_options) Recognize -H when
3116 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3118 * cpplib.c: Merge do_once into do_pragma. Break file handling
3119 code out of do_include.
3120 Move append_include_chain, deps_output,
3121 file_cleanup, redundant_include_p, import_hash,
3122 lookup_import, add_import, read_filename_string, read_name_map,
3123 open_include_file, finclude, safe_read to cppfiles.c.
3124 Move prototypes for deps_output, append_include_chain,
3125 finclude to cpplib.h. Move definition of struct
3126 file_name_list there also.
3128 * cppfiles.c: New file. Contains all the above functions
3129 broken out of cpplib.c; also hack_vms_include_specification
3130 from cccp.c and find_include_file, a new function broken out of
3133 * Makefile.in (cppmain): Depend on cppfiles.o.
3134 (fix-header): Likewise.
3135 (cppfiles.o): New target.
3136 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3137 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3139 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3141 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3142 if pending_types is non-zero.
3143 (dwarfout_finish): Verify pending_types is zero before finishing.
3145 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3147 * expr.c (convert_move): Use shifts to perform the move if a
3148 suitable extend pattern cannot be found. Code written by
3149 Richard Henderson <rth@cygnus.com>.
3151 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3153 * regclass.c (renumber, regno_allocated): New static variables, moved
3154 out of allocate_reg_info.
3155 (allocate_reg_info): Move these two variables outside the function.
3156 Move code to free memory into new function free_reg_info.
3157 (free_reg_info): New function, broken out of allocate_reg_info.
3158 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3159 * rtl.h (allocate_reg_info): Don't declare.
3160 (free_reg_info): Declare.
3162 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3164 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3166 * toplev.c (compile_file): Temporarily revert last change.
3168 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3170 * c-typeck.c (convert_for_assignment): Parenthesize.
3172 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3174 * reload1.c (delete_output_reload): Avoid ambigous else.
3176 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3178 * toplev.c (compile_file): Call allocate_reg_info to free register
3180 * rtl.h (allocate_reg_info): Declare.
3182 * PROJECTS: Remove entry for local spilling.
3184 * final.c (cleanup_subreg_operands): New function.
3185 (final_scan_insn): Use it.
3186 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3188 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3189 operands when reload has finished.
3190 * reload.h (cleanup_subreg_operands): Declare..
3191 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3192 reload. Handled in reload itself.
3194 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3196 * reload1.c (verify_initial_offsets): New function.
3197 (reload): Call it after reload_as_needed. Also verify that the frame
3198 size stays constant during reload_as_needed.
3199 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3201 * reload.h (struct insn_chain): Add need_operand_change element.
3202 * reload1.c (new_insn_chain): Clear it.
3203 (calculate_needs_all_insns): Set it; don't overload need_reload.
3204 (reload_as_needed): Use it.
3206 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3207 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3208 and reload_address_index_reg_class.
3209 (find_reloads_address_1): Likewise.
3210 * reload.h (reload_address_base_reg_class,
3211 reload_address_index_reg_class): Don't declare.
3212 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3213 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3214 (used_spill_regs): Now static.
3215 (reload_address_base_reg_class, reload_address_index_reg_class,
3216 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3217 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3218 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3221 (init_reload): Delete code to compute base/index reg classes.
3222 (reload): Delete variable J.
3223 Delete code to manage basic_block_needs.
3224 Don't compute regs_explicitly_used.
3225 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3226 pseudo_previous_regs.
3227 Initialize bad_spill_regs_global.
3228 Don't call order_regs_for_reload here.
3229 Don't initialize spill_reg_order and n_spills.
3230 Don't forbid explicitly used regs to be used for spill regs.
3231 Change main loop to infinite loop, with explicit break statements.
3232 Make SOMETHING_CHANGED variable local to that loop.
3233 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3234 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3235 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3237 Don't call dump_needs.
3238 Delete code to reset potential_reload_regs.
3239 Delete code to terminate loop conditional on the global needs variables
3240 showing no further needs.
3241 (calculate_needs_all_insns): Return void. All callers changed.
3242 Initialize somehing_needs_elimination here, not in reload.
3243 Delete avoid_return_reg kludge.
3244 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3245 All callers changed.
3246 Initialize the group_mode and group_size elements of the arg CHAIN.
3247 Delete code to manage basic_block_needs.
3248 Operate on elements of CHAIN instead of global variables.
3249 Delete avoid_return_reg kludge.
3250 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3251 All callers changed.
3252 Operate on elements of CHAIN instead of global variables.
3253 Delete special SMALL_REGISTER_CLASSES code.
3254 Delete spill_failure code; now in new_spill_reg.
3255 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3256 All callers changed.
3257 Operate on elements of CHAIN instead of global variables.
3258 (maybe_mark_pseudo_spilled): New static function.
3259 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3260 All callers changed.
3261 Operate on elements of CHAIN instead of global variables.
3262 Call order_regs_for_reload here, not in reload.
3263 Initialize spill_reg_order and n_spills.
3264 Simplify test whether an asm insn is involved.
3265 Delete spill_failure code; now in new_spill_reg.
3266 Call maybe_mark_pseudo_spilled for everything marked as live in
3267 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3269 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3270 compiler from optimizing this function (now unused) away.
3271 Operate on elements of CHAIN instead of global variables.
3272 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3274 Operate on elements of CHAIN instead of global variables.
3275 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3276 take CHAIN arg. All callers changed.
3277 Operate on elements of CHAIN instead of global variables.
3278 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3279 CHAIN, NONGROUP args. Return void. All callers changed.
3280 Verify caller isn't trying to spill a pseudo.
3281 Simplify test for illegal reg, just use bad_spill_regs.
3282 Generate better error messages.
3283 Operate on elements of CHAIN instead of global variables.
3284 Mark spilled register in CHAIN's used_spill_regs element.
3285 Don't call spill_hard_reg.
3286 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3287 Mark spilled hard regs in bad_spill_regs_global.
3288 Mark affected pseudos in spilled_pseudos, but don't spill them.
3289 (ior_hard_reg_set): New static function.
3290 (finish_spills): Return int. All callers changed.
3291 Compute spill_reg_order, n_spills and spill_regs here. Also update
3292 regs_ever_live for regs used as spills.
3293 For every pseudo in spilled_pseudos, spill it and mark the previous
3294 hard reg it had in pseudo_previous_regs. Compute which hard regs
3295 arseudo): New static function.
3296 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3297 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3298 hard registers explicitly used across the current insn into the set.
3299 Compute hard_reg_n_uses taking only pseudos live across this insn
3301 Tweak sorting of potential_reload_regs.
3302 (compare_spill_regs): Delete function.
3303 (reload_as_needed): Don't sort the spill_regs array, it's computed
3304 in proper order in finish_spills.
3305 Delete avoid_return_reg kludge.
3306 Delete code to manage basic_block_needs.
3307 (allocate_reload_reg): Minor speed/readability tweaks.
3308 Operate on elements of CHAIN instead of global variables.
3309 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3310 Delete avoid_return_reg kludge.
3311 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3312 Delete unused label FAIL.
3313 (reload_combine): Replce reload_address_index_reg_class with
3315 Don't use used_spill_regs to determine information about lifetime of
3318 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3320 * toplev.c (display_help): Ignore empty target specific
3321 options, and if -W is also specified on the command line then
3322 display undocumented options.
3324 * config/arm/arm.c: Updated with changes in devo sources.
3325 * config/arm/arm.h: Updated with changes in devo sources.
3326 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3327 * config/arm/lib1thumb.asm: Add ELF support.
3329 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3331 * collect2.c (aix64_flag): New variable.
3332 (main, case 'b'): Parse it.
3333 (GCC_CHECK_HDR): object magic number must match mode.
3334 (scan_prog_file): Only check for shared object if valid header.
3335 Print debugging if header/mode mismatch.
3337 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3339 Added support for arm-elf-linux configuration, submitted by Philip
3340 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3341 code developed by Catherine Moore <clm@cygnus.com>. The following
3344 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3347 * configure: Regenerated.
3349 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3350 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3351 definitions conditional on their not having been already defined.
3353 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3354 and .type directives, and add "(PLT)" qualification to function
3357 * config/arm/linux.h: Deleted. This file is now superceeded by
3358 either linux-elf.h or linux-aout.h.
3360 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3361 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3363 Move definitions from old linux.h file here.
3365 * config/arm/elf.h: New file. Generic ARM/ELF support.
3367 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3369 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3371 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3372 using the 26bit APCS.
3374 * config/arm/unknown-elf.h: New file. Support for OS'es other
3375 than Linux with ELF.
3377 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3380 * config/arm/coff.h: Include aout.h for basic assembler macros.
3381 Add support for -mstructure_size_boundary=<n> command line option.
3383 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3384 command line option. Make macro definitions conditional on their
3385 not having been already defined.
3387 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3388 command line option.
3391 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3393 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3394 has been changed to not include a newline. Use this macro instead.
3395 (output_enumeral_list, const_value_attribute, name_attribute,
3396 comp_dir_attribute, prototyped_attribute, producer_attribute,
3397 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3398 dwarfout_file_scope_decl, generate_new_sfname_entry,
3399 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3400 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3402 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3404 * combine.c (subst): Process the inputs to a parallel asm_operands
3407 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3409 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3411 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3413 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3415 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3417 * version.c: Bump for snapshot.
3419 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3421 * stmt.c (expand_fixup): Set fixup->before_jump to a
3422 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3424 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3426 * Makefile.in (recog.o): Depend on toplev.h.
3427 (insn-emit.o): Depend on recog.h.
3428 (insn-peep.o): Depend on recog.h and insn-config.h.
3430 * combine.c (simplify_set): Remove unused variable `scratches'.
3432 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3433 and `idx' in macro conditional controlling their use.
3435 * genemit.c (main): Make the generated output file include
3436 recog.h. Don't have it declare `insn_operand_constraint', since
3437 we get it from recog.h.
3439 * genpeep.c (main): Make the generated output file include
3440 insn-config.h and recog.h.
3442 * recog.c: Include toplev.h.
3443 (extract_insn): Remove unused variable `p'.
3445 * regclass.c (fix_register): Add missing braces around initializer
3447 (allocate_reg_info): Move variable `i' into the scope where it is
3448 used. Change its type to `size_t'.
3450 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3452 * reload.c (push_reload): When merging reloads, make sure
3453 that reload_in_reg and reload_in are from the same reload in
3456 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3458 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3459 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3461 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3463 * loop.c (loop_has_tablejump): New variable.
3464 (prescan_loop): Scan for it.
3465 (insert_bct): Replace explicit scan with use of it.
3466 * regclass.c (regclass): Restore loop variable j.
3467 (record_reg_classes): Deterine op_types modifiers and initialize
3468 classes[i] before matching constraints. Handle matching
3471 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3473 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3476 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3478 * mips.h (EXTRA_SPECS): Add missing initializers.
3480 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3482 * sparc.h (EXTRA_SPECS): Add missing initializers.
3483 (sparc_defer_case_vector): Provide a prototype.
3485 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3486 comparing it to the result of a pointer subtraction.
3488 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3490 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3491 the argument to (unsigned char).
3493 * alpha.h (EXTRA_SPECS): Add missing initializers.
3494 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3497 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3499 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3500 (propagate_block): Delete dead code after reload.
3502 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3503 back Oct 15, 1998 change.
3504 * haifa-sched.c (update_flow_info): Likewise.
3505 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3507 * mn10200.md (truncated shift): Accept constant inputs too.
3509 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3511 * machmode.h (mode_mask_array): No longer const.
3512 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3514 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3516 * frame.c: Somewhat explain `FDE'.
3517 Suggested by Brendan Kehoe
3519 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3521 * expr.c (pending_chain): Move up.
3522 (save_expr_status): Do save pending_chain.
3523 (restore_expr_status): And restore it.
3524 * function.h (struct function): Add pending_chain.
3526 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3528 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3529 did not match the code.
3531 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3533 * regclass.c (regclass): Break out some code into new function
3534 scan_one_insn, and into regclass_init.
3535 (init_cost): New static variable, moved out of regclass.
3536 (regclass_init): Initialize it here, not in .
3537 (scan_one_insn): New static function, broken out of regclass.
3538 * recog.c (apply_change_group): Break out some code into new
3539 function insn_invalid_p.
3540 (insn_invalid_p): New static fn, broken out of apply_change_group.
3542 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3544 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3545 reg_reloaded_contents matches incremented pseudo.
3547 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3549 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3551 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3552 addressing modes with side effects. These are currently
3553 placeholders for the C4x target.
3555 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3557 * loop.c (express_from): Make sure that when generating a PLUS of
3558 a PLUS, any constant expression appears on the outermost PLUS.
3560 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3562 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3563 works if "$(srcdir)" != ".".
3565 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3567 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3568 existing SUBREG if we can, otherwise abort.
3570 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3572 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3573 `restrict' is applied to a non-pointer variable.
3575 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3577 * invoke.texi: Document -flang-isoc9x.
3579 * Makefile.in (OBJS): Add splay-tree.o.
3580 (c-common.o): Depend on rtl.h.
3581 (splay-tree.o): List dependencies and provide build rule.
3583 * rtl.h (record_alias_subset): New function.
3584 * alias.c: Include splay-tree.h.
3585 (alias_set_entry): New type.
3586 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3587 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3588 (mems_in_disjoin_alias_sets_p): New function.
3589 (alias_set_compare): Likewise.
3590 (insert_subset_children): Likewise.
3591 (get_alias_set_entry): Likewise.
3593 * tree.h (TYPE_RESTRICT): New macro.
3594 (TYPE_UNQUALIFIED): New manifest constant.
3595 (TYPE_QUAL_CONST): Likewise
3596 (TYPE_QUAL_VOLATILE): Likewise.
3597 (TYPE_QUAL_RESTRICT): Likewise.
3598 (tree_type): Add restrict_flag. Reduce count of free bits.
3599 (DECL_POINTER_ALIAS_SET): New macro.
3600 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3601 (tree_decl): Add pointer_alias_set.
3602 (build_qualified_type): New function.
3603 (build_type_variant): Define in terms of build_qualified_type.
3604 * tree.c (set_type_quals): New function.
3605 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3606 (build_type_attribute_variant): Use build_qualified_type and
3608 (build_type_variant): Rename, and modify, to become...
3609 (build_qualified_type): New function.
3610 (build_complex_type): Use set_type_quals.
3612 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3613 (C_TYPE_FUNCTION_P): Likewise.
3614 (C_TYPE_INCOMPLETE_P): Likewise.
3615 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3616 (c_apply_type_quals_to_decl): New function.
3617 (c_build_qualified_type): New function.
3618 (c_build_type_variant): Define in terms of c_build_qualified_type.
3619 (flag_isoc9x): Declare.
3620 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3621 (common_type): Change to use TYPE_QUALS.
3622 (comptypes): Likewise.
3623 (convert_for_assignment): Likewise.
3624 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3625 * c-decl.c (flag_isoc9x): Define.
3626 (c_decode_option): Handle -flang-isoc9x.
3627 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3628 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3629 * c-lex.c (init_lex): Deal with restrict.
3630 (init_lex): Don't treat restrict as a reserved word in
3631 -traditional mode, or without -flang-isoc9x.
3632 * c-lex.h (rid): Add RID_RESTRICT.
3633 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3634 equivalent to RID_RESTRICT.
3635 * c-parse.in (TYPE_QUAL): Update comment.
3636 * c-common.c: Include rtl.h.
3637 (c_find_base_decl): New function.
3638 (c_build_type_variant): Rename, and modify, to become ...
3639 (c_build_qualified_type): New function.
3640 (c_apply_type_quals_to_decl): Likewise.
3641 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3642 a particular alias set for the reference.
3643 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3645 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3647 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3648 command line switches.
3650 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3652 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3655 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3657 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3659 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3661 * regclass.c (fix_register): Add error message.
3662 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3665 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3667 * c-decl.c (warn_missing_noreturn): New global variable.
3668 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3669 (finish_function): Implement missing noreturn warning.
3671 * c-tree.h (warn_missing_noreturn): Declare extern.
3673 * invoke.texi: Document new flags.
3675 * toplev.c (documented_lang_options): Add description.
3677 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3679 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3680 loop optimization stable for the C4x.
3681 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3682 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3683 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3685 (c4x_address_conflict): Be more paranoid when packing a volatile
3686 memref in a parallel load/store.
3688 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3690 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3691 repeat_block_filler): Deleted.
3692 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3693 Condition code not set if destination register from 'c' class.
3694 (*subbqi3_carry_clobber): Fix typo.
3696 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3698 * reorg.c (steal_delay_list_from_target) Check for insns that
3699 modify the condition codes and effect the direction of the jump
3702 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3704 * function.c (purge_addressof_1): Replace call to
3705 emit_insns_before() with emit_insn_before().
3707 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3709 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3711 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3713 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3715 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3717 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3718 clobbered across calls.
3720 * loop.c (scan_loop): Be more selective about what invariants are
3721 moved out of a loop.
3723 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3725 * version.c: Bump for snapshot.
3727 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3729 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3730 static eh_context structure.
3732 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3734 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3736 (try_combine): Don't update max_scratch.
3737 * flow.c (max_scratch, num_scratch): Delete variables.
3738 (life_analysis_1): Don't initialize max_scratch.
3739 (propagate_block): Don't update max_scratch.
3740 (mark_set_1): Don't increment num_scratch.
3741 * regs.h (max_scratch): Delete declaration.
3743 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3745 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3746 is nonzero. This is temporary!
3748 * sched.c (update_flow_info): Handle death notes made invalid by
3749 instruction splitting. Partially reverts Oct 15, 1998 patch.
3750 * haifa-sched.c (update_flow_info): Likewise.
3752 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3754 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3755 if it has a nonzero DECL_INITIAL.
3757 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3759 * Makefile.in (flow.o): Depend on recog.h.
3761 * cpplib.h (directive_table): Add missing initializiers.
3762 (finclude): Change type of variable `bsize' to size_t.
3764 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3766 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3768 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3769 `int' when comparing against one.
3770 (cpp_file_line_for_message): Mark parameter `pfile' with
3772 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3774 * flow.c: Include recog.h.
3775 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3777 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3778 `f' with ATTRIBUTE_UNUSED.
3779 (reposition_prologue_and_epilogue_notes): Likewise.
3781 * genopinit.c (gen_insn): Cast argument of ctype functions to
3784 * haifa-sched.c: Include recog.h.
3785 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3786 comparing against one.
3788 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3790 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3792 (parse_ent): Likewise.
3793 (parse_input): Likewise.
3795 * optabs.c (init_libfuncs): Likewise.
3797 * protoize.c (find_rightmost_formals_list): Likewise.
3799 * recog.h (const_double_operand): Fix typo in prototype.
3801 * tlink.c (scan_linker_output): Cast the argument of ctype
3802 function to `unsigned char'.
3804 * toplev.c (check_lang_option): Cast the result of `strlen' to
3805 `int' when comparing against one.
3807 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3809 * gcse.c (dump_cuid_table): Correct typo.
3811 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3813 * toplev.c (display_help): Prepend '-m' to target specific
3815 (check_lang_option): Ignore text after end of first word of a
3816 language specific option.
3818 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3820 * reload1.c (reg_used_by_pseudo): New static variable.
3821 (choose_reload_regs): Initialize it.
3822 Use it instead of testing spill_reg_order to determine whether a
3823 pseudo is live in a hard register across the current insn.
3824 Fix a typo in a reference to reload_reg_rtx.
3826 * flow.c (propagate_block): Replace code that computes and uses
3827 regs_sometimes_live with simpler code that just walks the set of
3828 currently live registers.
3830 * Makefile.in (insn-extract.o): Fix dependencies.
3831 * genextract.c (main): Generate includes for insn-config.h and
3833 Delete generation of declarations which are now in recog.h.
3834 * genrecog.c (main): Delete generation of definitions which are
3836 * local-alloc.c (block_alloc): Use extract_insn and the variables
3837 it sets up instead of looking up values by insn_code.
3838 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3839 recog_dup_num): Define here instead of generating the definition in
3841 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3842 recog_operand_mode, recog_constraints, recog_operand_address_p):
3844 (extract_insn): New function.
3845 * recog.h (extract_insn): Declare function.
3846 (which_alternative, recog_n_operands, recog_n_dups,
3847 recog_n_alternatives, recog_operand_mode, recog_constraints,
3848 recog_operand_address_p): Declare variables.
3849 * regclass.c (n_occurrences): New static function.
3850 * reload.c (n_occurrences): Delete function.
3851 (find_reloads): Use extract_insn.
3852 * reload.h (n_occurrences): Delete declaration.
3854 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3856 * reload1.c (reload_as_needed): Fix test for when to call
3857 update_eliminable_offsets.
3859 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3861 Fix consistency problems with reg_equiv_{mem,address};
3862 Improve reload inheritance;
3864 * reload.c (reload_out_reg): New variable.
3865 (loc_mentioned_in_p, remove_address_replacements): New functions.
3866 (remove_replacements): Deleted.
3867 (push_reload): Set reload_out_reg[i].
3868 When merging, also set reload_{in,out}_reg[i], and remove
3869 duplicate address reloads.
3870 (combine_reloads): Copy reload_out_reg[i].
3871 (find_reloads): Do make_memloc substitution also when
3872 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3874 Include *recog_operand_loc in commutativity operand changes.
3875 Generate optional output reloads.
3876 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3877 processing operands. Call make_memloc in reg_equiv_address code.
3878 Set *recog_operand_loc only after processing operands, and only
3879 if replace is true. Return a value.
3880 When changing address reload types for operands that didn't get
3881 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3882 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3883 Don't emit USEs for pseudo SUBREGs when not replacing.
3884 (find_reloads_address): Do make_memloc substitution also when
3885 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3887 (find_reloads_toplev): Likewise.
3888 Call make_memloc in reg_equiv_address code.
3889 (debug_reload_to_stream): Add code to output reload_out_reg.
3890 (make_memloc): Delete local variable i, ifdefed out code, and
3891 references to memlocs and n_memlocs.
3892 (memlocs, n_memlocs): Delete.
3893 (push_secondary_reload): Clear reload_out_reg.
3894 (find_reloads_address_1): Provide memrefloc argument to all calls
3895 to find_reloads_address.
3896 In AUTO_INC code, handle non-directly addressable equivalences properly.
3897 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3898 (find_reloads): Add return type.
3899 (remove_address_replacements, deallocate_reload_reg): Declare.
3900 * reload1.c (num_not_at_initial_offset): No longer static.
3901 (delete_address_reloads, delete_address_reloads_1): Likewise.
3902 (deallocate_reload_reg): New function.
3903 (spill_reg_stored_to): New array.
3904 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3905 (eliminate_regs_in_insn): Move assignments of previous_offset and
3906 max_offset fields, and recalculation of num_not_at_initial_offset
3907 into new static function:
3908 (update_eliminable_offsets) .
3909 (reload_as_needed): Call update_eliminable_offsetss after calling
3911 Call forget_old_reloads_1 with contents of reloaded auto_inc
3912 expressions if the actual addressing can't be changed to match the
3914 (choose_reload_regs): For inheritance, replace
3915 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3916 remove stand-alone reload_reg_used_at_all test.
3917 Use reload_out_reg to determine which reload regs have output reloads.
3918 Treat reload_override_in more similar to inherited reloads.
3919 Handle (subreg (reg... for inheritance.
3920 For flag_expensive_optimizations, add an extra pass to remove
3921 unnecessary reloads from known working inheritance.
3922 Delete obsolete code for pseudos replaced with MEMs.
3923 Handle inheritance from auto_inc expressions.
3924 (emit_reload_insns): If reload_in is a MEM, set OLD to
3926 Don't reload directly from oldequiv; if it's a pseudo with a
3927 stack slot, use reload_in[j].
3928 Check that reload_in_reg[j] is a MEM before replacing reload_in
3929 from reg_reloaded_contents.
3930 Include non-spill registers in reload inheritance processing.
3931 Also try to use reload_out_reg to set spill_reg_store /
3932 reg_last_reload_reg.
3933 In code to set new_spill_reg_store, use single_set to find out if
3934 there is a single set.
3935 Add code that allows to delete optional output reloads.
3936 Add code to allow deletion of output reloads that use no spill reg.
3937 At the end, set reload_override_in to oldequiv.
3938 Also call delete_output_reload if reload_out_reg is equal to old
3940 Add code to call delete_output_reload for stores with no matching load.
3941 Set / use spill_reg_stored_to.
3942 Handle case where secondary output reload uses a temporary, but
3943 actual store isn't found.
3944 When looking for a store of a value not loaded in order to call
3945 delete_output_reload, count_occurences should return 0 for no
3946 loads; but discount inherited input reloadill_reg_stored_to.
3947 Do checks for extra uses of REG. Changed all
3949 Use delete_address_reloads.
3950 (reload): Take return value of find_reloads into account.
3951 If a no-op set needs more than one reload, delete it.
3952 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3953 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3954 for the same operand.
3955 (clear_reload_reg_in_use): Check for other reloads that keep a
3957 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3958 RELOAD_FOR_OPADDR_ADDR.
3959 Take into account when an address address reload is only needed
3960 for the address reload we are considering.
3961 (count_occurrences): Use rtx_equal_p for MEMs.
3962 (inc_for_reload): Return instruction that stores into RELOADREG.
3963 New argument two, IN, and rtx. Changed all callers.
3964 (calculate_needs_all_insns, reload_as_needed):
3965 Don't clear after_call for a CLOBBER.
3966 Keep track of how many hard registers need to be copied from
3967 after_call, and don't clear after_call before we have seen
3968 that much copies, or we see a different instruction.
3970 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3972 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3973 after reload has completed.
3975 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3977 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3978 a macro name and the next token with a single blank if that whitespace
3979 is in a macro buffer and the next token is not '('.
3981 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3983 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3985 (skip_if_group): Ditto.
3986 (skip_to_end_of_comment): Ditto.
3988 (discard_comments): Ditto.
3989 (change_newlines): Ditto.
3991 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3993 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3995 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3997 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3998 (TARGET_OPTIONS): Add --help documentation.
4000 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4002 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4004 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4006 * fixinc/* Moved in from ../contrib directory in preparation
4007 for integrating it into the normal build process. In particular,
4008 fixinc/Makefile.in must be config-ed into the build directory
4009 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4010 ./configure.in will be "in the mail" momentarily.
4012 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4014 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4015 accidently walk into the free list. Comment how that can happen.
4016 (invalidate): Fix indentation.
4018 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4019 Jeffrey A Law (law@cygnus.com)
4021 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4022 reload. Never perform rescans of the insn chain after reload.
4023 (propagate_block): Do not delete insn or create new autoinc addressing
4026 * jump.c (jump_optimize): Unconditionally use the code that was
4027 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4028 * reload1.c (reload): When reloading is finished, delete all
4029 REG_DEAD and REG_UNUSED notes.
4030 (emit_reload_insns): Delete all code that was conditional on
4031 PRESERVE_DEATH_INFO_REGNO_P.
4032 (no_longer_dead_regs): Delete variable.
4033 (reload_cse_delete_death_notes): Delete function.
4034 (reload_cse_no_longer_dead): Delete function.
4035 (reload_cse_regs_1): Delete all code to handle deletion of death
4037 (reload_cse_noop_set_p): Likewise.
4038 (reload_cse_simplify_set): Likewise.
4039 (reload_cse_simplify_operands): Likewise.
4040 (reload_cse_move2add): Likewise.
4041 * reorg.c (used_spill_regs): Delete declaration.
4042 (max_label_num_after_reload): Delete declaration.
4043 (find_dead_or_set_registers): Don't assume that spill regs are
4044 dead at a CODE_LABEL.
4045 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4047 * sched.c (sched_analyze_insn): Likewise.
4048 (update_flow_info): Likewise.
4049 * haifa-sched.c (sched_analyze_insn): Likewise.
4050 (update_flow_info): Likewise.
4051 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4052 * toplev.c (max_label_num_after_reload): Delete variable.
4053 (rest_of_compilation): Don't set max_label_num_after_reload.
4054 Call life_analysis after reload_cse_regs if optimizing.
4055 * config/gmicro/gmicro.h: Delete comment referring to
4056 PRESERVE_DEATH_INFO_REGNO_P.
4057 * config/i386/i386.h: Likewise.
4058 * config/m88k/m88k.h: Likewise.
4059 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4060 * config/sh/sh.h: Likewise.
4062 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4064 * loop.c (strength_reduce): Restore marking bct_p as
4066 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4067 HAVE_decrement_and_branch_on_count.
4068 (small_data_operand): Remove TARGET_ELF condition for marking
4069 parameters ATTRIBUTE_UNUSED.
4071 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4073 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4074 (SELECT_SECTION): Resync with svr4.h.
4076 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4078 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4081 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4083 * c-pragma.c (handle_pragma_token): Test for null tree before
4084 dereferencing TREE_CODE.
4086 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4088 * config/c4x/c4x.c: Convert to use GEN_INT.
4089 (c4x_parallel_process): Rework to handle new repeat loop structure.
4091 * config/c4x/c4x.md: Convert to use GEN_INT.
4092 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4093 (decrement_and_branch_on_count): Likewise.
4095 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4096 loop.c has the desired functionality.
4097 (rc_reg_operand): New prototype.
4099 * config/c4x/t-c4x: Can now build all front ends.
4101 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4103 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4105 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4107 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4108 * config/t-rtems: Do not install assert.h -- use newlib's.
4110 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4112 * combine.c (combine_instructions): When finished, call init_recog.
4113 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4115 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4117 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4119 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4121 * cppalloc.c (memory_full): Mark function prototype with
4124 * demangle.h (collect_exit): Likewise.
4126 * fix-header.c (v_fatal, fatal): Likewise.
4128 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4131 * gcov.c (print_usage): Likewise.
4133 * genattr.c (fatal, fancy_abort): Likewise.
4135 * genattrtab.c (fatal, fancy_abort): Likewise.
4137 * gencodes.c (fatal, fancy_abort): Likewise.
4139 * genconfig.c (fatal, fancy_abort): Likewise.
4141 * genemit.c (fatal, fancy_abort): Likewise.
4143 * genextract.c (fatal, fancy_abort): Likewise.
4145 * genflags.c (fatal, fancy_abort): Likewise.
4147 * genopinit.c (fatal, fancy_abort): Likewise.
4149 * genoutput.c (fatal, fancy_abort): Likewise.
4151 * genpeep.c (fatal, fancy_abort): Likewise.
4153 * genrecog.c (fatal, fancy_abort): Likewise.
4155 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4156 __sjpopnthrow, __throw): Likewise.
4158 * objc/objc-act.c (objc_fatal): Likewise.
4160 * protoize.c (usage, aux_info_corrupted,
4161 declare_source_confusing): Likewise.
4163 * rtl.c (dump_and_abort): Likewise.
4165 * rtl.h (sets_cc0_p): Likewise.
4167 * toplev.c (float_signal, pipe_closed): Likewise.
4169 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4171 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4172 when generating the decision tree for the general case.
4174 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4175 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4177 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4179 * Makefile.in (sched.o): Depend on recog.h.
4181 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4182 (unsigned) when comparing against one.
4183 (find_base_value): Likewise.
4184 (record_base_value): Cast variable `regno' to (unsigned) when
4185 comparing against one. Cast the result of REGNO() macro to
4186 (unsigned) when comparing against one.
4187 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4189 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4190 variable where an unsigned index is needed.
4192 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4193 before comparing against one.
4195 * collect2.c: Add prototypes for functions `error', `fatal' and
4196 `fatal_perror'. Make these functions take variable arguments
4197 instead of faking it with a fixed number of args.
4198 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4201 * combine.c (can_combine_p): Mark parameter `pred' with
4203 (find_split_point): Cast variable `src' to (unsigned
4204 HOST_WIDE_INT) when comparing against one.
4205 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4206 (simplify_logical): Likewise.
4207 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4208 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4209 HOST_WIDE_INT) in shift.
4210 (simplify_and_const_int): Cast result of INTVAL() macro to
4211 `unsigned HOST_WIDE_INT' when comparing against one.
4212 (merge_outer_ops): Cast variable const0 to `unsigned
4213 HOST_WIDE_INT' when comparing against the result of
4214 GET_MODE_MASK() macro.
4215 (simplify_comparison): Likewise for variable `c0'. Cast variable
4216 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4217 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4218 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4219 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4220 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4221 comparing against one.
4222 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4224 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4225 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4226 (output_block_move): Cast `sizeof' expression to (int) when
4227 comparing against one.
4228 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4230 (save_restore_insns): Cast `base_offset' to `long' to match format
4231 specifier in fprintf.
4233 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4234 to `enum machine_mode'.
4236 * flow.c (life_analysis_1): Remove unused variable `insn'.
4238 * gcc.c (translate_options): Move variables `j' and `k' into the
4239 scope in which they are used. Change their types to `size_t'.
4240 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4241 (read_specs): Likewise.
4242 (process_command): Cast `sizeof' to (int) when comparing against one.
4243 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4244 (handle_braces): Cast both sides of `==' expression to `long' to
4245 ensure sign matching.
4246 (main): Cast variable `i' to `int' when comparing against one.
4248 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4249 int to size_t. Cast variable `i' to size_t when comparing against
4252 * genattrtab.c (convert_set_attr_alternative): Remove unused
4253 parameter `insn_code'. All callers changed.
4254 (convert_set_attr): Likewise.
4256 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4257 size_t when comparing against one. Likewise for variable `len'.
4259 * global.c (global_alloc): Cast variable `max_regno' to size_t
4260 when comparing against one. Likewise for variable `max_allocno'.
4262 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4264 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4265 `set' with ATTRIBUTE_UNUSED.
4266 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4269 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4270 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4271 (get_condition): Cast variable `const_val' to `unsigned
4272 HOST_WIDE_INT' when comparing against one. Cast unsigned
4273 expression to HOST_WIDE_INT when comparing against one.
4274 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4275 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4276 `unsigned' when comparing against one.
4278 * protoize.c (is_id_char): Change type of parameter `ch' to
4280 (munge_compile_params): Cast argument of ctype macro to (const
4282 (process_aux_info_file): Cast variable `aux_info_size' to int when
4283 comparing against one.
4284 (forward_to_next_token_char): Cast argument of ctype macro to
4285 `const unsigned char'.
4286 (edit_formals_lists): Likewise.
4287 (find_rightmost_formals_list): Likewise.
4288 (add_local_decl): Likewise.
4289 (add_global_decls): Likewise.
4290 (edit_fn_definition): Likewise.
4291 (do_cleaning): Likewise.
4292 (scan_for_missed_items): Likewise.
4293 (edit_file): Cast variable `orig_size' to (int) when comparing
4295 (main): Cast argument of ctype macro to `const unsigned char'.
4297 * recog.c (const_int_operand): Mark parameter `mode' with
4300 * regclass.c (record_reg_classes): Change type of variable `c' to
4301 `unsigned char'. Cast `char' array index to `unsigned char'.
4303 * reload.c (push_secondary_reload): Cast argument to
4304 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4306 * reload1.c (calculate_needs): Cast `char' array index to
4308 (set_label_offsets): Change type of variable `i' to unsigned int.
4309 Cast result of XVECLEN() macro to unsigned when comparing against
4311 (mark_not_eliminable): Change type of variable `i' to unsigned.
4312 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4313 when comparing against one.
4314 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4315 comparing against one.
4316 (choose_reload_regs): Hide unused label `fail'.
4317 (reload_cse_simplify_operands): Cast `char' array index to
4319 (reload_combine_note_store): Mark parameter `set' with
4320 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4322 (reload_cse_move2add): Remove unused variable `src2'.
4324 * sched.c: Include recog.h.
4325 (sched_note_set): Remove unused parameter `b'. All callers
4327 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4328 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4329 when comparing against one.
4331 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4332 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4333 comparing against one.
4335 * unroll.c (precondition_loop_p): Remove unused parameter
4336 `loop_end'. All callers changed.
4338 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4340 * reload1.c (maybe_fix_stack_asms): New static function.
4343 * reload.h (compute_use_by_pseudos): Declare.
4345 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4346 (something_needs_reloads): Delete variable.
4347 (finish_spills): New function.
4348 (compute_use_by_pseudos): New function.
4350 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4351 Use the reload_insn_chain instead of walking the rtl directly.
4353 (reload): Allocate and free spilled_pseudos.
4354 Ensure that all calls of spill_hard_reg are followed by a call to
4356 Use the insns_need_reload list instead of something_needs_reloads
4357 to find out if reload_as_needed must be called.
4358 Clear unused_insn_chains at the end.
4360 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4362 Delete code to keep track of current basic block.
4363 Walk reload_insn_chain instead of the rtl structure. Build the
4364 insns_need_reload chain.
4365 Remember which insns need reloading/elimination by setting the
4366 appropriate fields in struct insn_chain, not by putting modes on the
4369 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4370 arg INSN. All callers changed.
4371 Delete declaration of struct needs.
4372 Don't set something_needs_reloads.
4373 Record insn needs in the CHAIN argument.
4375 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4377 (reload_as_needed): Lose FIRST arg. All callers changed.
4378 Walk the reload_insn_chain instead of the rtx structure.
4379 Delete code to keep track of current basic block.
4380 Rename one of the NEXT variables to OLD_NEXT.
4382 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4384 (choose_reload_regs): Likewise.
4386 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4389 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4390 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4391 (hard_regs_live, hard_regs_need_restore): Delete variables.
4392 (n_regs_saved): Now static.
4393 (referenced_regs, this_insn_sets): New variables.
4395 (setup_save_areas): Restructure the code a bit.
4397 (restore_referenced_regs): Delete function.
4398 (mark_referenced_regs): New function, similar to the old
4399 restore_referenced_regs, but mark registers in referenced_regs.
4401 (clear_reg_live): Delete function.
4402 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4403 Only mark registers in this_insn_sets.
4405 (save_call_clobbered_regs): Rework this function to walk the
4406 reload_insn_chain instead of using the list of instructions directly.
4407 Delete code to keep track of register lives, compute live regs on the
4408 fly from information in the chain.
4409 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4410 then walk the set it computes and call insert_restore as appropriate.
4412 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4414 Restructure the code a bit. Test hard_regs_saved instead of
4415 hard_regs_need_restore.
4416 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4417 args. All callers changed.
4418 Restructure the code a bit. Use TO_SAVE to determine which regs to
4419 save instead of more complicated test.
4420 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4422 Create a new insn_chain structure for the new insn and place it
4425 * rtl.texi: Update documentation to reflect that reload no longer
4426 puts modes on the insns.
4428 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4430 * function.c (purge_addressof_1): Force the first argument of a
4431 CALL insn to memory.
4433 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4435 * rtl.h: Delete duplicate prototypes. Add some missing
4437 * rtlanal.c: (for_each_rtx): Formatting tweak.
4439 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4441 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4442 to be compatible with TI compiler.
4444 * Makefile.in (USER_H): Add va-c4x.h to definition.
4446 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4448 * function.c (purge_addressof_1): Fix typo in inequality: do
4449 bitfield optimization for equal mode sizes.
4450 * expmed.c (store_bit_field): Don't take subregs of subregs in
4451 the movstrict case. Tidy a potential problem in the multi-word case.
4452 (extract_bit_field): Likewise.
4454 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4456 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4458 Compute max_uid_for_flow by calling get_max_uid after the scan.
4459 (find_basic_blocks_1): Don't emit NOPs here.
4461 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4463 * alias.c (base_alias_check): Accept new args for the modes of the
4464 two references. Use them to determine if an AND can overlap. Update
4466 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4467 to determine if an AND can overlap.
4469 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4471 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4472 check. Add comment to document problems with TARGET_SUN_FPA version
4474 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4476 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4478 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4480 * c-common.c (print_char_table): Add missing initializers.
4481 (scan_char_table): Likewise.
4482 (time_char_table): Likewise.
4484 * c-decl.c (c_decode_option): Mark parameter `argc' with
4486 (declare_parm_level): Mark parameter `definition_flag' with
4489 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4490 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4493 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4495 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4497 (expand_call): Cast result of MIN() to (unsigned int) when
4498 comparing against an unsigned value.
4500 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4502 (make_definition): Remove unused parameter `op'. All callers
4504 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4505 comparing against the result of pointer arithmetic.
4507 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4508 when comparing against one.
4510 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4511 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4513 (output_die): Move variable `i' into the scope in which it is
4514 used. Change its type to `unsigned'.
4515 (output_die): Cast the result of `strlen' to (int) when passing it
4516 to ASM_OUTPUT_ASCII().
4517 (output_pubnames): Likewise.
4518 (output_line_info): Likewise.
4520 * emit-rtl.c (global_rtl): Add missing initializers.
4522 * explow.c (promote_mode): Mark parameter `for_call' with
4525 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4526 `unsigned HOST_WIDE_INT' when comparing against one.
4527 (synth_mult): Change type of variable `cost' to int.
4528 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4530 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4531 when comparing against one.
4532 (get_inner_reference): Change variable `alignment' to unsigned.
4533 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4534 int) when comparing against one.
4535 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4537 * fold-const.c (div_and_round_double): Cast BASE to
4538 (HOST_WIDE_INT) when comparing against one.
4540 * gencheck.c: Include gansidecl.h.
4541 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4543 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4544 `tcode' with ATTRIBUTE_UNUSED.
4546 * real.c (edivm): Cast constant value to (unsigned long) in
4547 expression compared against an unsigned value.
4549 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4550 comparing against one.
4551 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4552 when comparing against one.
4554 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4555 (unsigned int) when comparing against one. Likewise for
4557 (smallest_mode_for_size): Likewise.
4558 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4559 (restore_storage_status): Likewise.
4561 * toplev.c (debug_args): Add missing initializer.
4562 (f_options): Spelling correction. Add missing initializers.
4563 (documented_lang_options): Likewise.
4564 (debug_end_source_file): Mark parameter `lineno' with
4567 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4568 `decl' and `type' with ATTRIBUTE_UNUSED.
4570 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4571 when comparing against one.
4572 (assemble_variable): Mark parameter `top_level' with
4574 (assemble_external_libcall): Mark parameter `fun' with
4576 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4579 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4581 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4582 Replace use of r5 with use of r19.
4584 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4586 * config/v850/v850.c (compute_register_save_size): Allow for the
4587 fact that helper functions save all registers, not just those used
4590 Replace constant 31 with macro LINK_POINTER_REGNUM.
4592 * config/v850/v850.md: Use 'indirect_operand' rather than
4593 'memory_operand' for bit test/set/clear patterns.
4595 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4597 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4598 * varasm.c (assemble_start_function et al): Don't call
4599 ASM_GLOBALIZE_LABEL for weak symbols.
4601 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4603 * cse.c (equiv_constant): Check for NULL return from
4604 gen_lowpart_if_possible().
4606 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4608 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4610 * collect2.c (main): Pass -EL/-EB through to the compiler.
4612 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4614 * expr.c (push_block): Handle targets where the stack grows
4615 to higher addresses, but args grow to lower addresses and
4616 ACCUMULATE_OUTGOING_ARGS is not defined.
4618 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4620 * config/v850/v850.c (print_operand): Extend meaning
4621 of 'c' operands to support .vtinherit.
4623 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4625 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4626 Added ATTRIBUTE_UNUSED to unused function arguments.
4627 (rc_reg_operand): New predicate.
4628 (c4x_rptb_insert): New function.
4629 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4630 (c4x_optimization_options): New function.
4632 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4633 (decrement_and_branch_on_count): New pattern.
4634 (rptb_top): Modified pattern to work with BCT optimization.
4636 * config/c4x/c4x.h (RC_REG): New register class.
4637 (rc_reg_operand): Define prototype.
4638 (IS_RC_REG): New macro.
4639 (IS_RC_OR_PSEUDO_REG): New macro.
4640 (IS_RC_OR_PSEUDO_REGNO): New macro.
4641 (OPTIMIZATION_OPTIONS): Define.
4643 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4645 * collect2.c (extract_init_priority): No priority is 65535.
4647 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4649 * Makefile.in (build_tooldir): new variable, same as old
4650 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4651 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4652 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4654 * configure.in (gxx_include_dir): set default based on unlibsubdir
4655 * Makefile.in (tooldir): ditto
4656 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4657 gxx_include_dir, includedir and tooldir
4658 (protoize.o, unprotoize.o): ditto
4660 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4662 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4664 * config/arm/thumb.c (thumb_override_options): Add warning about
4665 PIC code not being supported just yet.
4667 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4669 * flow.c: Update comment.
4670 (notice_stack_pointer_modification): New static function.
4671 (record_volatile_insns): Use it.
4672 (mark_regs_live_at_end): Mark the stack pointer as alive
4673 at the end of the function if current_function_sp_is_unchanging
4675 (life_analysis_1): Set current_function_sp_is_unchanging.
4676 * function.c: Define it.
4677 (init_function_start): Initialize it.
4678 * output.h: Declare it.
4679 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4680 the stack pointer as alive at the end of the function if
4681 current_function_sp_is_unchanging is set.
4682 * i386.c (ix86_epilogue): Optimize the restoring
4683 of the stack pointer.
4685 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4687 * version.c: Bump for snapshot.
4689 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4691 * c-pragma.c (handle_pragma_token): If passed a token instead
4692 of a tree, use that as the pack value.
4694 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4696 * flow.c (find_basic_blocks_1): Fix prototype.
4698 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4700 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4701 (struct tree_decl): New fields no_check_memory_usage.
4702 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4703 (init_attributes): Register it as a new attribute.
4704 (decl_attributes): Set flags on functions given that attribute.
4705 * c-decl.c (duplicate_decls): Merge new attribute.
4706 * expr.h (current_function_check_memory_usage): Declare new var.
4707 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4708 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4709 current_function_check_memory_usage.
4710 * function.h: Add field to struct function.
4711 * function.c (current_function_check_memory_usage): Define it.
4712 (push_function_context_to, pop_function_context_from): Save and
4714 (expand_function_start): Set it, based on global flag and function
4717 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4718 check non-automatic variables, to permit detection of writes to
4719 read-only locations in embedded systems without memory management.
4720 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4721 when emitting chkr_set_right_libfunc call, even if the argument is
4722 BLKmode or variable-sized; don't abort.
4724 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4725 symbols in Pmode, not VOIDmode.
4727 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4729 * cppexp.c: When forcing unsigned comparisons, cast both sides
4732 * cpphash.h: Move static declaration of hashtab[]...
4733 * cpphash.c: ...here.
4735 * cpplib.c: Cast difference of two pointers to size_t before
4736 comparing it to size_t. Cast signed to unsigned
4737 before comparing to size_t. (FIXME: struct argdata should use
4738 unsigned buffer sizes.)
4739 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4740 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4741 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4742 size_t before comparison.
4744 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4746 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4747 (find_basic_blocks_1): Similarly.
4748 * output.h (find_basic_blocks): Fix prototype.
4749 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4750 find_basic_blocks anymore.
4752 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4754 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4755 (sbitmap_free, sbitmap_vector_free): New macros.
4756 * output.h (rtl_dump_file): Declare.
4758 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4760 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4762 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4764 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4766 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4767 (divide): Remove unused variable `tmp'.
4768 (si_to_float): Cast numeric constant to (SItype) before comparing
4771 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4773 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4774 * gcc.c (add_preprocessor_option): Correct typo when allocating
4775 memory, sizeof() argument had one too many `*'.
4776 (add_assembler_option): Likewise.
4777 (add_linker_option): Likewise.
4778 * gcov.c (output_data): Likewise.
4779 * local-alloc.c (memref_used_between_p): Likewise.
4780 (update_equiv_regs): Likewise.
4781 * loop.c (strength_reduce): Likewise.
4782 * reg-stack.c (record_asm_reg_life): Likewise.
4783 (subst_asm_stack_reg): Likewise.
4784 * reorg.c (dbr_schedule): Likewise.
4786 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4788 * flow.c (life_analysis_1): Break out some functions.
4789 (find_basic_blocks_1): Likewise. Also move some variables out and
4791 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4792 new static var nonlocal_label_list with it.
4793 (active_eh_region, nested_eh_region, label_value_list,
4794 nonlocal_label_list): New static variables.
4795 (make_edges, delete_unreachable_blocks, delete_block): New static
4796 functions, broken out of find_basic_blocks_1.
4797 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4798 noop_move_p): New static functions, broken out of life_analysis_1.
4800 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4802 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4803 Take extra care for op0 now possibly being a subreg.
4804 (extract_bit_field): Likewise.
4805 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4806 the reg to memory if there is no equal sized integral mode.
4807 * stor-layout.c (int_mode_for_mode): New function.
4808 * machmode.h: Prototype it.
4810 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4812 * global.c (build_insn_chain): Verify no real insns exist past the
4813 end of the last basic block, then exit the loop.
4815 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4817 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4819 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4821 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4823 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4825 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4827 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4829 * flow.c (find_basic_blocks): Correctly determine when a call
4830 is within an exception region.
4832 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4834 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4836 * cpplib.h: Protect from multiple inclusions.
4837 * cpplib.c: Fix minor formatting problems.
4839 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4841 * jump.c (jump_optimize): Revert accidental patch.
4843 * Makefile.in (cpplib.o): Use unlibsubdir.
4845 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4847 * loop.c (get_condition): Allow combine when either compare is
4850 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4852 * version.c: Bump for snapshot.
4854 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4856 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4857 (init_lex): Initialize ridpointers[RID_BYREF].
4858 * c-lex.h (enum rid): Add RID_BYREF.
4859 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4860 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4861 (encode_type_qualifiers): Similarly
4862 * c-gperf.h: Rebuilt.
4864 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4866 * c-common.c (type_for_mode): Only return TItype nodes when
4867 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4868 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4869 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4870 (init_decl_processing): Only create TItype nodes when
4871 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4872 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4873 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4875 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4877 * stmt.c (n_occurrences): New static function.
4878 (expand_asm_operands): Verify that all constrains match in the
4879 number of alternatives.
4880 Verify that '+' or '=' are at the beginning of an output constraint.
4881 Don't allow '&' for input operands.
4882 Verify that '%' isn't written for the last operand.
4883 * reload.c (find_reloads): Abort if an asm is found with invalid
4884 constraints; all possible problems ought to be checked for earlier.
4886 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4888 * flags.h (flag_branch_on_count_reg): Always declare
4889 * toplev.c (flag_branch_on_count_reg): Likewise.
4890 * toplev.c: Fix typos.
4892 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4895 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4897 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4899 (find_basic_blocks_1): Add a nop to the end of a basic block when
4900 a trailing call insn does not have abnormal control flow.
4901 * gcse.c (pre_transpout): New variable.
4902 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4903 (compute_pre_transpout): Calculate it.
4904 (compute_pre_ppinout): Use it to eliminate impossible placements
4905 due to abnormal control flow through calls.
4906 (compute_pre_data): Call compute_pre_transpout.
4908 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4910 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4912 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4914 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4915 and matching define_insns): Tack on a `use' of the table label, so
4916 flow analysis will recognize a tablejump.
4918 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4920 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4921 always end basic blocks for abnormal edge reasons.
4923 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4925 * config/i386/i386.h: Remove definition of
4926 HANDLE_PRAGMA_PACK_PUSH_POP.
4928 * config/i386/go32.h: Add definition of
4929 HANDLE_PRAGMA_PACK_PUSH_POP.
4931 * config/i386/win32.h: Add definition of
4932 HANDLE_PRAGMA_PACK_PUSH_POP.
4934 * config/i386/cygwin32.h: Add definition of
4935 HANDLE_PRAGMA_PACK_PUSH_POP.
4937 * c-pragma.c (insert_pack_attributes): Do not insert
4938 attributes unless #pragma pack(push,<n>) is in effect.
4940 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4942 * expr.c (emit_group_store): Handle a PARALLEL destination.
4944 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4946 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4947 the new insns before the argument regs are loaded.
4949 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4951 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4952 (c-parse.gperf): Update comments describing invocation flags.
4953 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4955 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4957 * reload1.c (reload): Call free before clobbering the memory
4958 locations or constants pointers.
4960 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4962 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4963 for efficiency by checking whether we need to modify the current
4964 stack permission at all.
4965 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4966 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4967 __enable_execute_stack libcall here too if
4968 TRANSFER_FROM_TRAMPOLINE is defined.
4969 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4972 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4974 * Makefile.in (DRIVER_DEFINES): Remove last change.
4976 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4978 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4979 insns we're going to copy.
4980 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4982 * loop.c (count_one_set): Add prototype.
4984 * caller-save.c (restore_referenced_regs): Lose mode argument.
4985 (insert_save): Lose mode argument.
4986 (insert_restore): Lose mode argument.
4987 (insert_one_insn): Lose mode argument.
4988 (save_call_clobbered_regs): Lose mode argument.
4989 (setup_save_areas): Take no argument and return void. All callers
4991 Don't verify validity of memory addresses.
4992 * reload.h (setup_save_ares): Adjust prototype.
4993 (save_call_clobbered_regs): Likewise.
4994 * reload1.c (delete_caller_save_insns): New function.
4995 (caller_save_spill_class): Delete variable.
4996 (caller_save_group_size): Delete variable.
4997 (reload): Call setup_save_areas and save_call_clobbered_regs
4998 in the main loop, before calling calculate_needs_all_insns.
4999 Don't call save_call_clobbered_regs after the loop.
5000 Call delete_caller_save_insns at the end of an iteration if
5002 Delete code to manage caller_save_spill_class.
5003 Emit the final note before setting reload_first_uid.
5004 Simplify test that determines whether reload_as_needed gets run.
5005 (calculate_needs): Delete code to manage caller_save_spill_class.
5007 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5009 * collect2.c (main): Initialize ld_file_name.
5011 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5013 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5014 check for flag_function_sections.
5016 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5018 * cse.c (insert_regs): Fix bug in Sep 24 change.
5020 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5022 * flags.h (flag_dump_unnumbered): Declare.
5023 * toplev.c (flag_dump_unnumbered): Don't declare.
5024 * print-rtl.c (flags.h): Include.
5025 (print_rtl_single): Add return value.
5026 * rtl.h (print_rtl_single): Update declaration.
5027 * flow.c (flag_dump_unnumbered): Don't declare.
5028 (print_rtl_with_bb): Use return value of print_rtl_single.
5030 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5032 * loop.c (count_one_set): New static function, broken out of
5034 (count_loop_regs_set): Call it.
5035 * global.c (mark_reg_store): Handle clobbers here by not calling
5037 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5038 is in fact a clobber.
5039 * integrate.c (process_reg_param): New function, broken out of
5040 expand_inline_function.
5041 (expand_inline_function): Call it.
5044 * i386.md (addsidi3_1): Delete unused variable temp.
5045 (addsidi3_2): Likewise.
5046 (clstrstrsi): Delete unused variable addr1.
5048 * rtl.h: Don't declare any functions also declared in recog.h.
5050 * Makefile.in (stupid.o): Update dependencies.
5051 (global.o): Likewise.
5053 * global.c: Include reload.h
5054 (reg_becomes_live): New function.
5055 (reg_dies): New function.
5056 (build_insn_chain): New function.
5057 (global_alloc): Call build_insn_chain before calling reload.
5059 * reload.h (struct needs): New structure definition.
5060 (struct insn_chain): Likewise.
5061 (reload_insn_chain): Declare variable.
5062 (new_insn_chain): Declare function.
5065 * reload1.c (reload_startobj): New variable.
5066 (reload_insn_chain): New variable.
5067 (unused_insn_chains): New variable.
5068 (new_insn_chain): New function.
5069 (init_reload): Initialize reload_startobj, not reload_firstobj.
5070 (reload): Initialize reload_firstobj.
5071 Before returning, free everything on the reload_obstack.
5073 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5074 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5075 current_chain): New variables.
5076 (reg_where_born): Delete variable.
5077 (REG_WHERE_BORN): New macro.
5078 (find_clobbered_regs): New function.
5079 (stupid_life_analysis): Don't allocate/free reg_where_born.
5080 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5081 reg_where_dead_chain.
5082 Use REG_WHERE_BORN instead of reg_where_born.
5083 While processing the insns, build the reload_insn_chain with
5084 information about register lifetimes.
5085 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5086 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5088 Compute and information about birth and death of pseudo registers in
5089 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5090 Delete code to set elements of reg_where_born.
5092 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5094 * tree.def (GOTO_EXPR): Modified documentation.
5095 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5098 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5100 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5101 loop_final_value, loop_comparison_code): No longer static.
5102 (unroll_loop): Delete loop_start_value update.
5103 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5104 loop_final_value, loop_comparison_code): Extern.
5105 (loop_start_value): Delete extern.
5106 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5107 loop_comparison_value, loop_comparison_code): Delete.
5108 (loop_optimize): Remove initialization for deleted variables.
5109 (strength_reduce): Delete analyze_loop_iterations call. Only call
5110 insert_bct if flag_branch_count_on_reg set.
5111 (analyze_loop_iterations): Delete.
5112 (insert_bct): Remove iteration count calculation. Move checks for
5113 viable BCT optimization to here. Obtain iteration count from
5114 loop_iterations and correct for unrolling. Check for enough
5115 iteration to be beneficial. Comment out runtime iteration count
5117 (insert_bct): Print iteration count in dump file. Remove
5118 loop_var_mode and use word_mode directly.
5120 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5121 * rs6000.c (rs6000_override_options): Use it.
5122 (optimization_options): Enable use of flag_branch_on_count_reg.
5123 * rs6000.md (define_function_unit): Describe 604e.
5125 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5127 * loop.c (move_movables): Corrected threshold calculation for
5128 moved_once registers.
5130 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5132 * loop.c (combine_givs_p): Fix test for identical givs.
5134 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5136 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5137 call abort if the function is already defined.
5139 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5141 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5142 truncation is not a no-op.
5144 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5146 * version.c: Bump for snapshot.
5148 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5150 * version.c: Bump for snapshot.
5152 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5154 * expmed.c (expand_divmod): Don't widen for computing remainder
5155 if we seem to have a divmod pattern for needed mode.
5157 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5159 * cpplib.c (macroexpand): Correct off-by-one error in handling
5162 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5164 * combine.c (expand_field_assignment): Don't do bitwise operations
5165 on MODE_FLOAT; pun to MODE_INT if possible.
5167 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5168 scott snyder <snyder@d0sgif.fnal.gov>
5170 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5171 linker. Recognize mangled names in quotes.
5173 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5175 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5176 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5177 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5178 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5180 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5182 * function.c (purge_addressof_1): If trying to take a sub-word
5183 integral piece of a floating point mode, put it on the stack.
5185 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5187 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5189 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5191 * PROJECTS: Remove template friends.
5193 * collect2.c (sort_ids): Remove unused variable.
5195 * tm.texi (MATH_LIBRARY): Document.
5196 (NEED_MATH_LIBRARY): Remove.
5198 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5199 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5201 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5203 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5204 last_end to 0x7fffffff.
5206 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5208 * function.c (purge_addressof_1): Do not perform endianness
5209 corrections on bitpos, who we call will do it for us.
5211 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5213 * h8300.c (WORD_REG_USED): Fix typo.
5214 (initial_offset): Use WORD_REG_USED.
5216 * h8300.c (handle_pragma): Fix typo.
5218 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5220 * caller-save.c (insert_save_restore): Break this function up
5221 into new functions insert_restore, insert_save and insert_one_insn.
5222 All callers changed.
5223 (insert_restore): New function, mostly broken out of
5224 insert_save_restore.
5225 (insert_save): Likewise.
5226 (insert_one_insn): Likewise.
5227 (restore_referenced_regs): New argument BLOCK. All callers changed.
5228 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5229 in this function, do it in insert_one_insn instead.
5231 * reload1.c (reload): Break out some more pieces into separate
5233 (dump_needs): New function, broken out of reload.
5234 (set_initial_elim_offsets): Likewise.
5235 (init_elim_table): Likewise.
5236 (update_eliminables): Likewise.
5238 * global.c (global_alloc): Delete code to manage the scratch_list.
5239 * local-alloc.c (qty_scratch_rtx): Delete.
5240 (scratch_block): Delete.
5241 (scratch_list): Delete.
5242 (scratch_list_length): Delete.
5243 (scratch_index): Delete.
5244 (alloc_qty_for_scratch): Delete.
5245 (local-alloc): Update initialization of max_qty.
5246 Delete code to manage the scratch list.
5247 Delete code to allocate/initialize qty_scratch_rtx.
5248 (block_alloc): Don't allocate quantities for scratches.
5249 Delete code to manage the scratch list.
5250 * regs.h (scratch_list): Delete declaration.
5251 (scratch_block): Delete declaration.
5252 (scratch_list_length): Delete declaration.
5253 * reload1.c (reload): Delete code to manage the scratch list.
5254 (spill_hard_reg): Likewise.
5255 (mark_scratch_live): Delete.
5257 * recog.c (alter_subreg): Delete declaration.
5259 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5261 * Makefile.in (cccp.o): Fix typo in last patch.
5263 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5265 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5266 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5268 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5270 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5271 NULL_RTX as an argument.
5273 * Makefile.in (unlibsubdir): Define.
5274 (DRIVER_DEFINES): Use unlibsubdir.
5275 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5276 (stmp-fixinc): Similarly.
5278 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5280 * regmove.c (regmove_optimize): Add variable old_max_uid.
5281 At the end of the function, update basic_block_end.
5283 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5285 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5286 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5289 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5291 * config/arm/arm.c: Improve interworking support.
5293 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5295 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5296 copied from reload_out[r] .
5298 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5300 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5301 with more than three size ranges.
5303 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5305 * rtl.c (mode_name): Add a null string at the end of the array.
5306 (mode_wider_mode): Change type to unsigned char.
5307 (mode_mask_array): New variable.
5308 (init_rtl): Update for mode_wider_mode type change.
5310 * rtl.h (mode_wider_mode): Change type to unsigned char.
5311 (mode_mask_array): Declare.
5312 (GET_MODE_MASK): Use mode_mask_array.
5314 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5316 * calls.c (expand_call) : Encapsulate code into
5317 copy_blkmode_from_reg.
5318 * expr.c (copy_blkmode_from_reg): New function.
5319 * expr.h (copy_blkmode_from_reg): New function.
5320 * integrate.c (function_cannot_inline_p): We can inline
5322 (expand_inline_function): Use copy_blkmode_from_reg
5323 if needed. Avoid creating BLKmode REGs.
5324 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5327 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5329 * config/v850/v850.c: Add function prototypes.
5330 Add support for v850 special data areas.
5332 * config/v850/v850.h: Add support for v850 special data areas.
5334 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5335 HANDLE_PRAGMA_PACK_PUSH_POP.
5336 (push_alignment): New function: Cache an alignment requested
5337 by a #pragma pack(push,<n>).
5338 (pop_alignment): New function: Pop an alignment from the
5340 (insert_pack_attributes): New function: Generate __packed__
5341 and __aligned__ attributes for new decls whilst a #pragma pack
5343 (add_weak): New function: Cache a #pragma weak directive.
5344 (handle_pragma_token): Document calling conventions. Add
5345 support for #pragma pack(push,<n>) and #pragma pack (pop).
5347 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5348 are defined enable HANDLE_PRAGMA_PACK.
5349 Move 'struct weak_syms' here (from varasm.c).
5350 Add pragma states for push and pop pragmas.
5352 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5355 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5356 HANDLE_GENERIC_PRAGMAS.
5358 * varasm.c: Move definition of 'struct weak_syms' into
5360 (handle_pragma_weak): Deleted.
5362 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5364 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5366 * c-decl.c (start_function): Add invocation of
5367 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5369 * tm.texi: Remove description of non-existant macro
5370 SET_DEFAULT_SECTION_NAME.
5372 (HANDLE_SYSV_PRAGMA): Document.
5373 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5375 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5377 * config.sub: Recognize i[34567]86-pc-udk as new target.
5378 * configure.in: Likewise.
5379 * config/i386/t-udk: New file.
5380 * config/i386/udk.h: New file.
5382 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5384 * reorg.c (check_annul_list_true_false): Remove unused variables.
5385 (steal_delay_list_from_target): Add missing "used_annul" variable.
5386 (try_merge_delay_insns): Close out half formed comment.
5388 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5390 * cpplib.c (macroexpand): If arg->raw_before or
5391 arg->raw_after, remove any no-reexpansion escape at the
5392 beginning of the pasted token. Correct handling of whitespace
5393 markers and no-reexpand markers at the end if arg->raw_after.
5395 * toplev.c (documented_lang_options): Recognize -include,
5396 -imacros, -iwithprefix, -iwithprefixbefore.
5397 * cpplib.c (cpp_start_read): Process -imacros and -include
5398 switches at the same time and in command-line order, after
5399 initializing the dependency-output code. Emit properly nested
5400 #line directives for them. Emit a #line for the main file
5401 before processing these switches, and don't do it again
5404 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5406 * function.c (purge_addressof_1): Use bitfield manipulation
5407 routines to handle mem mode < reg mode.
5409 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5411 * reorg.c (try_merge_delay_insns): Account for resources referenced
5412 in each instruction in INSN's delay list before trying to eliminate
5413 useless instructions. Similarly when looking at a trial insn's delay
5416 * reorg.c (check_annul_list_true_false): New function.
5417 (steal_delay_list_from_{target,fallthrough}): Call it and also
5418 refine tests for when we may annul if already filled a slot.
5419 (fill_slots_from_thread): Likewise.
5420 (delete_from_delay_slot): Return newly-created thread.
5421 (try_merge_delay_isns): Use its new return value.
5423 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5425 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5426 used to compute a giv or as some other non-counting use.
5428 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5430 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5431 * local-alloc.c (find_free_reg): Use it.
5432 * global.c (find_reg): Likewise.
5433 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5435 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5436 * caller-save.c (init_caller_save): Use it.
5437 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5439 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5441 * configure.in: Add --enable-cpplib option which uses cpplib
5442 for cpp, but doesn't link cpplib into cc1. Make help text
5443 capitalization consistent.
5444 * configure: Rebuilt.
5446 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5448 * function.c (gen_mem_addressof): If the address REG is
5449 REG_USERVAR_P make the new REG be so also.
5450 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5451 in an attempt to clarify slightly.
5453 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5455 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5456 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5458 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5460 * toplev.c: Fix last patch.
5462 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5464 * loop.c (get_condition): Fix typo in May 9 change.
5466 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5468 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5470 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5472 * toplev.c (documented_lang_options): Spelling corrections.
5474 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5476 * configure.in: new flags --with-ld and --with-as, equivalent
5477 to setting LD and AS environment variables. Test whether
5478 specified arguments are GNU commands, and report them with
5479 checking messages. Use the specified AS for configure
5482 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5484 * gcc.c (find_a_file): when looking for `as' and `ld', return
5485 the DEFAULT program if it exists
5486 * collect2.c (main): use DEFAULT_LINKER if it exists
5488 * gcc.c (find_a_file): the test for existence of a full
5489 pathname was reversed
5491 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5493 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5494 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5496 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5498 * tree.h (TYPE_BINFO): Document.
5500 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5502 * i386-coff.h (dbxcoff.h): Added.
5504 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5506 * toplev.c: fix bad patch around flag_data_sections.
5508 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5510 * reload1.c (reload): Use reload_address_index_reg_class and
5511 reload_address_base_reg_class when setting
5512 caller_save_spill_class. (Patch generated by Jim Wilson:
5515 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5517 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5518 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5519 * expr.c (store_field): Add alias_set parameter. Set the
5520 MEM_ALIAS_SET accordingly, if the target is a MEM.
5521 (expand_assignment): Use it.
5522 (store_constructor_field): Pass 0.
5523 (expand_expr): Likewise.
5525 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5527 * flags.h: Add flag_data_sections.
5528 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5529 (compile_file): Error if flag_data_sections not supported.
5530 * varasm.c (assemble_variable): Handle flag_data_sections.
5531 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5532 * config/mips/elf.h: Likewise.
5533 * config/mips/elf64.h: Likewise.
5534 * invoke.texi: Describe -fdata-sections.
5536 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5538 * invoke.texi (-ffloat-store): Clarify that this option
5539 does not affect intermediate results -- only variables.
5541 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5543 * cpp.texi: Update for Fortran usage from Craig.
5545 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5547 * rs6000.c (function_arg_boundary): Revert accidental change on
5550 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5552 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5553 (output_mi_thunk): Declare.
5555 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5556 (output_function_profiler): Use r12 for temp, instead of r11 so
5557 that we preserve the static chain register.
5559 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5561 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5563 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5565 * sh.c (gen_shl_sext): Fix case 5.
5567 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5569 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5571 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5573 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5574 accessing variables until they are initialized via va_arg().
5576 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5578 * reload1.c (reload_combine): Initialize set before using.
5580 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5582 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5585 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5587 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5588 operand3 with mask before using it. Patch provided by Jim Wilson.
5590 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5592 * config/sparc/sparc.c (function_value): Perform the equivalent of
5593 PROMOTE_MODE for ARCH64.
5594 (eligible_for_epilogue_delay): Allow DImode operations in delay
5595 slot of a return for ARCH64.
5597 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5599 * sh.md (sqrtsf2): Fix mode of sqrt.
5601 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5603 * reload1.c (choose_reload_regs): Also try inheritance when
5604 reload_in is a stack slot of a pseudo, even if we already got a
5607 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5609 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5610 (reload_cse_regs): New function body: call reload_cse_regs_1,
5611 reload_combine, reload_cse_move2add.
5612 When doing expensive_optimizations, call reload_cse_regs_1 a
5613 second time after reload_cse_move2add.
5614 (reload_combine, reload_combine_note_store): New functions.
5615 (reload_combine_note_use): New function.
5616 (reload_cse_move2add, move2add_note_store): New functions.
5618 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5620 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5621 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5623 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5624 more than 3 such reloads.
5626 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5627 RELOAD_FOR_X_ADDR_ADDR reload.
5629 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5631 * expr.c (store_constructor): When initializing a field that is smaller
5632 than a word, at the start of a word, try to widen it to a full word.
5634 * cse.c (cse_insn): When we are about to change a register,
5635 remove any invalid references to it.
5637 (remove_invalid_subreg_refs): New function.
5638 (mention_regs): Special treatment for SUBREGs.
5639 (insert_regs): Don't strip SUBREG for call to mention_regs.
5640 Check if reg_tick needs to be bumped up before that call.
5641 (lookup_as_function): Try to match known word_mode constants when
5642 looking for a norrower constant.
5643 (canon_hash): Special treatment for SUBREGs.
5645 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5647 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5648 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5649 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5650 and offsets in actual stack trampoline code so they match the
5651 commentary and actually work.
5653 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5655 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5657 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5658 tmake_file. Set extra_parts to needed crt objects.
5659 * configure: Rebuilt.
5660 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5661 (TARGET_DEFAULT): Set if default is v9 or ultra.
5662 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5663 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5664 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5665 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5666 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5667 (TARGET_VERSION): Define.
5668 (MULTILIB_DEFAULT): Define.
5669 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5670 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5671 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5673 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5674 * config/sparc/sparc.c (sparc_override_options): If arch and
5675 pointer size disagree, emit diagnostic and fix it up. If
5676 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5677 V8PLUS in 64-bit mode.
5678 * config/sparc/t-linux64: New file.
5679 * config/sparc/t-sol2-64: New file.
5680 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5681 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5682 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5683 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5684 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5685 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5687 (STARTFILE_SPEC): Set approriately based upon those.
5688 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5689 disposition of DEFAULT_ARCH32_P.
5690 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5691 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5692 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5693 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5694 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5696 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5698 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5700 * rtl.h (init_virtual_regs): New function.
5701 * emit-rtl.c (init_virtual_regs): Define.
5702 (insn_emit): Use it.
5703 * integrate.c (save_for_inline_copying): Likewise.
5705 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5707 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5708 (enum reg_class): Add NONARG_LO_REGS support.
5709 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5710 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5711 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5712 completes. Re-enable HImode REG+OFFSET addresses.
5713 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5715 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5717 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5719 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5720 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5721 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5723 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5725 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5726 jumps as a single entity, taking into account the size of the
5729 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5731 * tree.def (SWITCH_EXPR): New tree node definition.
5733 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5735 * version.c: Bump for snapshot.
5737 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5739 * version.c: Bump for snapshot.
5741 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5743 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5746 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5748 * Revert this patch.
5749 * reload.c (find_reloads): Do not replace a pseudo with
5750 (MEM (reg_equiv_addr)) in the initializing insn for the
5753 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5755 * final.c (final_scan_insn): Disable tracking CC across branches.
5757 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5759 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5760 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5761 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5762 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5763 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5765 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5767 * toplev.c (rest_of_compilation): Skip compiling anything with
5768 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5770 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5772 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5773 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5774 use in_libcall_block.
5775 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5776 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5779 Mon Sep 21 14:02:23 1998
5781 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5782 typo in no-fancy-math-387 description.
5784 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5786 * version.c: Bump for snapshot.
5788 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5790 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5792 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5794 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5795 documented in install.texi.
5796 (TARGET_OPTIONS) Likewise.
5798 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5800 * version.c: Bump for snapshot.
5802 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5804 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5805 * cccp.c (main): Likewise.
5807 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5808 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5811 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5813 * Makefile.in (LIBS): Link in libiberty.a.
5814 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5816 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5818 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5819 it to update bb boundaries. Update caller.
5820 * function.c (reposition_prologue_and_epilogue_notes): Update
5821 bb boundaries wrt the moved note.
5823 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5825 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5827 * configure: Regenerate.
5829 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5831 * alpha.c (alpha_sr_alias_set): New variable.
5832 (override_options): Set it.
5833 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5834 (mode_mask_operand): Fix signed-unsigned comparision warning.
5835 (alpha_expand_block_move): Likewise.
5836 (print_operand): Likewise.
5837 (get_aligned_mem): Use change_address.
5838 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5839 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5840 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5841 (alpha_align_insns): Remade from old alphaev5_align_insns
5842 to handle multiple processors.
5843 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5844 * output.h (label_to_alignment): Prototype.
5846 * tree.c (new_alias_set): New function.
5847 * tree.h (new_alias_set): Declare it.
5848 * c-common.c (c_get_alias_set): Use it.
5850 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5852 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5853 to an ABS expr, convert an unsigned input to signed.
5855 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5857 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5859 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5861 * configure.in: Add support for c4x targets.
5862 * configure: Rebuilt.
5864 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5866 * combine.c (distribute_notes): If an insn is a cc0 user, only
5867 delete it if we can also delete the cc0 setter.
5869 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5871 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5872 (invert_truthvalue): Enable truthvalue inversion for
5873 floating-point operands if -ffast-math.
5875 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5877 * configure.in: Disable collect2 for nextstep. Instead use
5879 * configure: Rebuilt.
5880 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5881 (ENDFILE_SPEC): Define.
5882 (OBJECT_FORMAT_MACHO): Define.
5883 (EH_FRAME_SECTION_ASM_OP): Define.
5884 * crtstuff.c: Handle MACHO.
5886 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5888 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5890 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5892 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5893 (_fpadd_parts): Get sign right for 0.
5895 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5897 * ginclude/varargs.h: Add support for C4x target.
5898 * ginclude/stdargs.h: Likewise.
5900 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5902 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5903 (alpha_emit_set_long_const): Rewrite to be callable from reload
5905 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5906 * alpha.md (movdi): Likewise.
5908 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5910 * arm.c (add_constant): New parameter address_only, change caller.
5911 Set it non-zero if taking the address of an item in the pool.
5912 (arm_reorg): Handle cases where we need the address of an item in
5915 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5917 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5918 memory addresses that are not in standard canonical form.
5920 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5922 * README.C4X: New file with information about the c4x ports.
5923 * ginclude/va-c4x.h: New file for c4x varargs support.
5924 * config/c4x: New directory with c4x port files.
5926 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5928 * reload.c (find_reloads): Do not replace a pseudo with
5929 (MEM (reg_equiv_addr)) in the initializing insn for the
5932 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5934 * toplev.c (rest_of_compilation): Set bct_p on second call to
5936 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5938 (strength_reduce): Only call analyze_loop_iterations and
5939 insert_bct if bct_p set.
5940 (check_dbra_loop): Fix typo.
5941 (insert_bct): Use word_mode instead of SImode.
5942 (instrument_loop_bct): Likewise. Do not delete iteration count
5943 condition code generation insn. Initialize iteration count before
5945 * rtl.h (loop_optimize): Update prototype.
5947 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5948 not doubleword aligned.
5950 * rs6000.c (optimization_options): New function.
5951 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5952 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5953 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5954 first; cr1 can be used for FP record condition insns.
5956 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5958 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5961 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5964 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5966 (block_move_call): New function: Call a library routine to copy a
5968 (m32r_expand_block_move): New function: Expand a "movstrsi"
5969 pattern into a sequence of insns.
5970 (m32r_output_block_move): New function: Expand a
5971 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5972 (m32r_block_immediate_operand): New function: Return true if the
5973 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5975 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5977 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5979 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5981 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5983 * regmove.c (copy_src_to_dest): Check that modes match.
5985 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5987 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5989 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5991 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5992 narrower than FLOAT_REGS.
5994 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5996 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5998 * Makefile.in (old_gxx_include_dir): removed
6000 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6002 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6005 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6006 (sh_handle_pragma): Change function arguments to match new
6007 specification for HANDLE_PRAGMA.
6009 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6011 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6013 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6014 When generating output, initialize missing struct member to zero.
6016 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6018 * regmove.c (copy_src_to_dest): Don't copy if that requires
6019 (a) new register(s).
6021 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6023 * global.c (reg_allocno): Now static.
6024 * reload1.c (reg_allocno): Delete declaration.
6025 (order_regs_for_reload): Take no arguments. Don't treat regs
6026 allocated by global differently than those allocated by local-alloc.
6028 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6030 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6031 condition, fix format strings.
6032 (output_function_epilogue): Likewise.
6034 * m68k/m68k.c: Don't include <stdlib.h> directly.
6036 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6038 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6039 mem_first_set, mem_last_set; because 0 can be a CUID.
6040 (oprs_unchanged_p): Use new definition.
6041 (record_last_reg_set_info): Likewise.
6042 (record_last_mem_set_info): Likewise.
6043 (compute_hash_table): Likewise.
6045 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6047 * rs6000.c (output_epilogue): Handle Chill.
6049 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6050 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6052 * combine.c (make_extraction): If no mode is specified for
6053 an operand of insv, extv, or extzv, default it to word_mode.
6054 (simplify_comparison): Similarly.
6055 * expmed.c (store_bit_field): Similarly.
6056 (extract_bit_field): Similarly.
6057 * function.c (fixup_var_regs_1): Similarly.
6058 * recog.c (validate_replace_rtx_1): Similarly.
6059 * mips.md (extv, extzv, insv expanders): Default modes for most
6060 operands. Handle TARGET_64BIT.
6061 (movdi_uld, movdi_usd): New patterns.
6063 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6064 equivalent memory location unless we have been provided a scratch
6065 register. Similarly do not call find_replacement unless a
6066 scratch register has been provided.
6068 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6070 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6073 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6075 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6076 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6077 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6078 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6079 * c-decl.c (init_decl_processing): Update accordingly.
6080 * expr.c (expand_builtin): Likewise.
6082 * rtl.h (global_rtl): Add cfa entry.
6083 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6084 (LAST_VIRTUAL_REGISTER): Update.
6085 * emit-rtl.c (global_rtl): Add cfa entry.
6086 (init_emit): Initialize it.
6087 * function.c (cfa_offset): New.
6088 (instantiate_virtual_regs): Initialize it.
6089 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6090 (expand_function_end): Call expand_eh_return.
6091 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6093 * except.c (current_function_eh_stub_label): Kill.
6094 (current_function_eh_old_stub_label): Likwise; update all references.
6095 (expand_builtin_set_return_addr_reg): Kill.
6096 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6097 (expand_builtin_set_eh_regs): Kill.
6098 (eh_regs): Produce a third reg for the actual handler address.
6099 (eh_return_context, eh_return_stack_adjust): New.
6100 (eh_return_handler, eh_return_stub_label): New.
6101 (init_eh_for_function): Initialize them.
6102 (expand_builtin_eh_return, expand_eh_return): New.
6103 * except.h: Update prototypes.
6104 * flow.c (find_basic_blocks_1): Update references to the stub label.
6105 * function.h (struct function): Kill stub label elements.
6107 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6108 register number is one that would be in the previous window.
6109 Provide a dummy definition for non-windowed targets.
6110 (get_reg_addr): New function.
6111 (get_reg, put_reg, copy_reg): Use it.
6112 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6113 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6115 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6116 (alpha_init_expanders): Initialize it.
6117 (alpha_expand_epilogue): Use it.
6118 * alpha.h: Declare it.
6119 * alpha.md (eh_epilogue): New.
6121 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6122 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6124 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6126 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6129 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6131 * except.h (struct eh_entry): Add false_label field.
6132 (end_catch_handler): Add prototype.
6133 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6134 (start_catch_handler): When using old style exceptions, issue
6135 runtime typematch code before continuing with the handler.
6136 (end_catch_handler): New function, generates label after handler
6137 if needed by older style exceptions.
6138 (expand_start_all_catch): No need to check for new style exceptions.
6139 (output_exception_table_entry): Only output the first handler label
6140 for old style exceptions.
6141 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6142 mechanism into one function, if a runtime matcher is provided.
6144 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6146 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6148 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6150 * integrate.c (copy_decl_list): Fix typo.
6152 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6154 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6157 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6159 * version.c: Bump for snapshot.
6161 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6163 * version.c: Bump for snapshot.
6165 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6167 * version.c: Bump for snapshot.
6169 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6171 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6173 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6175 * configure.in: remove usage of `!' to negate the result of a
6176 command; some common shells do not support it
6178 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6180 * configure.in: in sparc9-sol2 config, use 'if test' not
6182 * configure: Rebuilt.
6184 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6186 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6187 (CPP_CPU_DEFAULT_SPEC): Likewise.
6188 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6189 for arch64 libfuncs.
6191 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6194 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6196 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6198 * collect2.c: Don't declare `sys_siglist' here.
6199 (my_strsignal): Prototype and define new function. Use it in
6200 place of `sys_siglist' hacks.
6202 * mips_tfile.c: Likewise.
6204 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6205 (GCC_NEED_DECLARATIONS): Likewise.
6207 * system.h (strsignal): Prototype it, if necessary.
6208 (sys_siglist): Declare it, if necessary.
6210 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6212 * loop.c (move_movables): While removing insn sequences, preserve
6213 the next pointer of the most recently deleted insn when we skip
6216 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6218 * objc/config-lang.in: Do not output the name of the selected
6219 thread file when building the front-end. The Makefile for the
6220 runtime library will do this.
6222 * objc/Make-lang.in: Do not build the runtime library or install
6223 the Objective C header files. The Makefile for the runtime
6224 library will do this.
6226 * objc/Makefile.in (all.indirect): Only build the front-end.
6227 (compiler): Rename to `frontend'.
6228 (obj-runtime): Remove target.
6229 (copy-headers): Likewise.
6230 (clean): No need to remove `libobjc.a' any longer.
6232 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6234 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6235 supported with -mcpu=xxx.
6237 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6239 * flow.c (mark_set_1): Recognize multi-register structure return
6240 values in CALL insns.
6241 (mark_used_regs): Likewise.
6242 (count_reg_sets_1): Likewise.
6243 (count_reg_references): Likewise.
6244 * rtlanal.c (note_stores): Likewise.
6245 (reg_overlap_mentioned_p): Likewise.
6246 * haifa-sched.c (check_live_1): Likewise.
6247 (update_live_1): Likewise.
6248 (sched_analyze_1): Likewise.
6249 (sched_note_set): Likewise.
6250 (birthing_insn_p): Likewise.
6251 (attach_deaths): Likewise.
6253 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6256 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6258 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6260 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6262 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6264 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6266 * configure.in: Add check for GAS subsection -1 support.
6267 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6268 * configure config.in: Rebuilt.
6269 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6270 SImode is subsection -1 works, else use DImode.
6271 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6272 subsection -1 works.
6273 * config/sparc/sparc.c (sparc_output_addr_vec,
6274 sparc_output_addr_diff_vec): Use them if defined.
6276 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6278 * tree.h (DECL_ORIGIN): New macro.
6279 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6280 (copy_decl_list): Use it.
6281 (integrate_parm_decls): Likewise.
6282 (integrate_decl_tree): Likewise.
6283 * dwarf2out.c (decl_ultimate_origin): Simplify.
6284 * dwarfout.c (decl_ultimate_origin): Likewise.
6285 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6286 (pushdecl): Likewise.
6288 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6290 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6292 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6294 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6296 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6298 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6299 empty or has a single entry.
6301 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6302 before calling reg_to_stack.
6304 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6306 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6307 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6309 * c-tree.h (warn_long_long): Declare it.
6311 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6313 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6314 initialized float-int union if the value is a NaN.
6316 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6318 * c-lex.c (real_yylex): Don't warn about long long constants if
6319 we're allowing long long
6321 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6323 * except.h (current_function_eh_stub_label): Declare.
6324 (current_function_eh_old_stub_label): Declare.
6325 * function.h (struct function): New members eh_stub_label and
6327 * except.c (current_function_eh_stub_label): New variable.
6328 (current_function_eh_old_stub_label): New variable.
6329 (init_eh_for_function): Clear them.
6330 (save_eh_status): Save them.
6331 (restore_eh_status): Restore them.
6332 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6333 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6334 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6335 make an edge from the block that contains it to the block starting
6336 with the label if this label is one of the eh stub labels.
6337 If eh stub labels exist, show they are reachable from the last block
6340 * reload1.c (reload): Break out several subroutines and make some
6342 (calculate_needs_all_insns): New function, broken out of reload.
6343 (calculate_needs): Likewise.
6344 (find_reload_regs): Likewise.
6345 (find_group): Likewise.
6346 (find_tworeg_group): Likewise.
6347 (something_needs_reloads): New global variable, formerly in reload.
6348 (something_needs_elimination): Likewise.
6349 (caller_save_spill_class): Likewise.
6350 (caller_save_group_size): Likewise.
6351 (max_needs): Likewise.
6352 (group_size): Likewise.
6353 (max_groups): Likewise.
6354 (max_nongroups): Likewise.
6355 (group_mode): Likewise.
6356 (max_needs_insn): Likewise.
6357 (max_groups_insn): Likewise.
6358 (max_nongroups_insn): Likewise.
6359 (failure): Likewise.
6361 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6363 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6365 * loop.c (load_mems): Copy rtx for output mem.
6367 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6369 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6370 mips1 or mips2 either.
6372 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6374 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6376 (pa_adjust_insn_length): Update to work with new marking scheme
6377 for jumps inside switch tables.
6378 * pa.md (switch_jump): Remove pattern.
6379 (jump): Handle jumps inside jump tables.
6381 * Makefile.in (profile.o): Depend on insn-config.h
6383 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6385 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6387 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6389 Add preliminary native sparcv9 Solaris support.
6390 * configure.in: Recognize sparv9-*-solaris2*
6391 * configure: rebuilt
6392 * config.sub: Recognize sparcv9 just like sparc64.
6393 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6394 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6395 32-bit and 64-bit Solaris systems.
6396 * config/sparc/t-sol2: Assemble those with cpp.
6397 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6398 (*TF*_LIBCALL): If ARCH64 use V9 names.
6399 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6401 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6403 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6404 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6406 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6408 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6409 to Pmode if CASE_VECTOR_MODE is something else.
6411 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6413 * prefix.c (update_path): Correctly handle cases where PATH is
6414 a substring of the builtin prefix, but specifies a different
6417 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6419 * expr.c: Corrected comment about what MOVE_RATIO does.
6420 * config/alpha/alpha.h: Ditto.
6421 * config/1750a/1750a.h: Ditto.
6422 * config/clipper/clipper.h: Ditto.
6423 * config/i386/i386.h: Ditto.
6425 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6427 * configure.in (m68k-next-nextstep3*): Use collect2.
6428 Similarly for x86 NeXT configurations.
6429 * configure: Rebuilt.
6431 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6433 * configure.in: Don't assume srcdir is .../gcc
6434 * configure: Rebuilt.
6436 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6438 * global.c: Update comments.
6439 (global_alloc): Assign allocation-numbers
6440 even for registers allocated by local_alloc in case
6441 they are later spilled and retry_global_alloc is called.
6442 (mark_reg_store, mark_reg_clobber,
6443 mark_reg_conflicts, mark_reg_death): Always record a
6444 conflict with a pseudo register even if it has been
6445 assigned to a hard register.
6446 (dump_conflicts): Don't list pseudo registers already assigned to
6447 a hard register as needing to be allocated, but do list their
6449 * local-alloc.c: Update comment.
6451 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6453 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6454 * configure: Rebuilt.
6456 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6458 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6460 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6461 for all targets that set -msoft-float.
6463 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6465 * toplev.c (print_switch_values): Make static to match prototype.
6467 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6469 * configure.in: If we are unable to find the "gnatbind" program,
6470 then do not configure the ada subdir.
6471 * configure: Rebuilt.
6473 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6475 * version.c: Bump for snapshot.
6477 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6479 * version.c: Bump for snapshot.
6481 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6483 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6484 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6486 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6488 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6490 * genextract.c: Have insn-extract.c include toplev.h.
6492 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6494 * toplev.c: Include expr.h.
6495 (really_sorry, fancy_abort): Remove prototypes.
6496 (set_target_switch): Add argument in prototype.
6497 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6498 (v_really_sorry): Likewise.
6499 (print_version, print_single_switch, print_switch_values): Make
6500 static and add prototype arguments.
6501 (decl_printable_name): Add prototype arguments.
6502 (lang_expand_expr_t): New typedef.
6503 (lang_expand_expr): Declare as a lang_expand_expr_t.
6504 (incomplete_decl_finalize_hook): Add prototype argument.
6505 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6506 (botch): Likewise for variable `s'.
6507 (rest_of_type_compilation): Mark variables `type' and `toplev'
6508 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6509 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6510 (display_help): Make variable `i' an `unsigned long'.
6511 (main): Remove unused parameter `envp'.
6512 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6513 Cast -1 when comparing it with a `size_t'.
6515 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6516 prototype with ATTRIBUTE_NORETURN.
6517 (fatal_insn_not_found, fatal_insn, really_sorry,
6518 push_float_handler, pop_float_handler): Add prototypes.
6519 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6520 (do_abort, botch): Add prototypes.
6522 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6524 * final.c (final): If a label is reached only from a single jump,
6525 call NOTICE_UPDATE_CC on the jump and its predecessor before
6526 emitting the insn after the label.
6528 * i386.h: Add AMD K6 support.
6529 Change TARGET_* macros to use table lookup.
6530 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6531 (ADJUST_COST): Change definition to call function in i386.c.
6532 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6533 * i386.c: Add AMD K6 support.
6534 Add constants for feature tests used by TARGET_* macros.
6535 (split_di): If before reload, call gen_lowpart and gen_highpart.
6536 (x86_adjust_cost): New function.
6537 (put_jump_code): New function.
6538 (print_operand): New codes 'D' and 'd'.
6539 * i386.md: New insn types. New insn attribute "memory".
6540 Redefine scheduling parameters to use new types and add AMD K6
6541 support. Explicitly set type of most insns.
6542 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6543 Pro and K6 prefer movl $1,reg to incl reg.
6544 (adddi3, subdi3): Set cc_status.
6545 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6546 to int; x86 can't have more than 2^31 DImode shifts per file.
6547 (setcc): Combine all setcc patterns. Allow writing memory.
6548 Combine all jump patterns using match_operator.
6549 (*bzero): Name pattern. Emit mutliple stos instructions when that
6550 is faster than rep stos.
6551 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6554 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6556 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6559 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6561 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6562 not whatever we're generating now.
6564 * alpha.c (set_frame_related_p, FRP): New.
6565 (alpha_expand_prologue): Mark frame related insns.
6566 (alpha_expand_epilogue): Likewise, but with a null FRP.
6567 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6568 * alpha.md (exception_receiver): New.
6569 * alpha/crtbegin.asm (.eh_frame): New beginning.
6570 (__do_frame_setup, __do_frame_takedown): New.
6571 * alpha/crtend.asm (.eh_frame): New ending.
6572 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6573 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6574 (ASM_FILE_START): Don't emit .file for dwarf2.
6576 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6577 * rtl.c (reg_note_name): Likewise.
6578 * rtl.texi (REG_NOTES): Likewise.
6579 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6582 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6584 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6585 * i386.md (movsf, movdf, movxf): Validate memory address returned
6586 from force_const_mem. Kill useless REG_EQUAL setting code.
6588 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6590 * m68k.md (zero_extendsidi2): Fix typo.
6592 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6594 * configure.in: Removed references to the removed file
6595 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6596 * arm*-*-netbsd* and ns32k-*-netbsd*.
6597 * config/i386/xm-netbsd.h: Removed unnecessary file.
6598 * config/m68k/xm-netbsd.h: Likewise.
6599 * config/sparc/xm-netbsd.h: Likewise.
6600 * config/mips/xm-netbsd.h: Likewise.
6602 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6604 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6605 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6607 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6608 for exact section attributions.
6610 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6612 * i386/crtdll.h (CPP_PREDEFINES): Define.
6614 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6616 * m68k.md (5200 movqi): Do not allow byte sized memory references
6618 * m68k.c (output_move_qimode): Do not use byte sized operations on
6621 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6622 explicit rules for building. Similarly for alloca, vfprintf,
6623 choose-temp and mkstemp, getopt, getopt1, and obstack.
6624 (INCLUDES): Add $(srcdir)/../include.
6625 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6626 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6628 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6630 * gcc.c (do_spec_1): [case 'o'] Account for
6631 lang_specific_extra_outfiles.
6632 (main): Correctly clear all slots in outfiles for
6633 lang_specific_extra_outfiles. Set input_file_number before
6634 calling lang_specific_pre_link.
6636 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6638 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6640 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6642 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6644 (sparc_output_deferred_case_vectors): If no work to do, return.
6645 Fix thinko in Sept 1 change.
6647 1998-09-03 SL Baur <steve@altair.xemacs.org>
6649 * Makefile.in: add semicolon in BISON definition for portability.
6651 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6653 * config/nextstep.c (handle_pragma): Correct name of third
6656 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6658 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6659 * config/m32r/m32r.h: Make register 17 be fixed.
6660 * config/m32r/m32r.c: Use SImode for cc operations.
6662 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6664 * invoke.texi (Warning Options): Add -Wnon-template-friend
6667 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6669 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6671 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6673 * rs6000.md (movsf): Disable explicit secondary-reload-like
6674 functionality if TARGET_POWERPC64.
6675 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6678 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6680 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6681 and term.h from fixinc.wrap.
6683 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6685 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6686 safe to include both string.h and strings.h together.
6687 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6688 which headers to search for function declarations. Continue to
6689 prefer string.h over strings.h when both are not acceptable.
6691 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6693 * configure.in: Call GCC_HEADER_STRING.
6695 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6696 to include. Continue to prefer string.h over strings.h when both
6699 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6701 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6702 not assume top 32-bits of symbolic addresses are zero if
6705 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6707 * ginclude/va-alpha.h: Protect entire second portion of the
6708 file against double inclusion.
6710 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6712 Added support for the Boehm's garbage collector.
6713 * configure.in: Handle --enable-objc-gc.
6714 * configure: Rebuilt.
6715 * Makefile.in (CHECK_TARGETS): Add check-objc.
6716 (check-objc): New rule.
6717 * objc/Make-lang.in: Build a different Objective-C library that
6718 runs with the Boehm's collector.
6719 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6720 * objc/encoding.c: Correctly compute the size of compound types in
6721 the presence of bitfields. Skip the variable name of the type if
6722 any. Added support for long long.
6723 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6724 (_F_GCINVISIBLE): New mask.
6725 * objc/gc.c: New file. Compute the type memory mask associated with
6726 a class based on the runtime information.
6727 * objc/misc.c: Added the hooks that use the Boehm's collector
6728 allocation functions.
6729 * objc/objc-act.c (build_class_template): Generate a new class
6730 member (gc_object_type) to hold the class' type memory mask.
6731 (build_shared_structure_initializer): Initialize the new member to
6733 (encode_complete_bitfield): New function. Generate the new
6735 (encode_field_decl): Generate the new encoding only for the GNU
6737 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6739 (class_get_gc_object_type): New function to mark a pointer instance
6740 variable as a weak pointer.
6741 * objc/objc-features.texi: New file.
6742 * objc/objc.h (gc_object_type): New class member.
6743 * objc/objects.c (class_create_instance): Create a typed memory
6744 object when compiled with Boehm's collector support.
6745 * objc/sendmsg.c (__objc_init_install_dtable): Call
6746 __objc_send_initialize instead of setting the initialize flag.
6747 (__objc_send_initialize): Call __objc_generate_gc_type_description
6748 to generate the class type memory mask. Rewrite the code that
6749 sends the +initialize so that it is called only once (bug report
6750 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6751 * testsuite/objc: New testsuite for Objective-C type encoding.
6752 * testsuite/lib/objc-torture.exp: New file.
6753 * testsuite/lib/objc.exp: New file.
6755 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6757 * jump.c (jump_optimize): In if/then/else transformations, add
6758 another call to modified_between_p for the jump insn.
6760 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6762 * fix-header.c (symlink): Treat like readlink.
6764 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6766 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6769 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6771 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6772 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6773 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6775 * config/nextstep.c (handle_pragma): Take three arguments, as per
6776 the new HANDLE_PRAGMA macro specification.
6777 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6778 per the new HANDLE_PRAGMA macro specification.
6779 * config/i960/i960.c (process_pragma): Take three arguments, as
6780 per the new HANDLE_PRAGMA macro specification.
6782 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6784 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6785 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6786 if unknown pragmas are encountered.
6787 (handle_sysv_pragma): Interpret return code from
6788 handle_pragma_token (). Return success/failure indication rather
6789 than next unprocessed character.
6790 (pragma_getc): New function: retrieves characters from the
6791 input stream. Defined when HANDLE_PRAGMA is enabled.
6792 (pragma_ungetc): New function: replaces characters back into the
6793 input stream. Defined when HANDLE_PRAGMA is enabled.
6795 * c-pragma.c (handle_pragma_token): Return success/failure status
6798 * c-pragma.h: Change prototype of handle_pragma_token().
6800 * varasm.c: (handle_pragma_weak): Only create this function if
6801 HANDLE_PRAGMA_WEAK is defined.
6803 * c-common,c (decl_attributes): If defined call the expression
6804 contained within the INSERT_ATTRIBUTES macro before adding
6805 attributes to a decl.
6807 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6808 HANDLE_PRAGMA, which takes three arguments.
6809 (INSERT_ATTRIBUTES): Document this new macro.
6811 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6812 new INSERT_ATTRIBUTES macro.
6814 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6816 * config/sparc/sparc.md (movdf): Only generate special RTL for
6817 LABEL_REFs when PIC.
6818 (move_label_di): Remove
6819 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6820 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6821 references when PIC.
6822 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6823 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6824 output an .xword for all 64-bit cases.
6826 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6828 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6829 alignment, use FUNCTION_BOUNDARY instead.
6830 (sparc_output_deferred_case_vectors): Likewise.
6832 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6834 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6835 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6837 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6839 * alpha/va_list.h: New file.
6840 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6842 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6844 * NEWS: Add SCO Openserver and Unixware 7 notes.
6848 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6850 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6851 (record_constant_1): Handle RANGE_EXPR.
6853 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6855 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6856 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6857 and NOTE_INSN_RANGE_END specially.
6858 (reemit_notes): Likewise.
6860 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6862 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6863 (ultrasparc_sched_init): Remove unneeded &.
6865 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6867 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6868 for m68020-60, to prevent the use of fintrz.
6870 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6872 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6874 * Makefile.in: Likewise.
6875 * configure: Regenerated.
6877 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6879 * configure.in (gxx_include_dir): Changed to
6880 '${prefix}/include/g++'-${libstdcxx_interface}.
6881 * configure: Rebuilt.
6883 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6885 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6887 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6888 *sequences* *below* which scalar moves will be used.
6890 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6892 * collect2.c (mktemp): Delete unused declaration.
6894 * config/xm-netbsd.h: Remove unnecessary file.
6895 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6896 file anymore, it is not needed.
6898 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6900 * convert.c (convert_to_integer): Issue an error on conversions to
6903 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6905 * Makefile.in: Add lang_tree_files and gencheck.h.
6906 * configure.in: Generate them.
6907 * gencheck.c: Include gencheck.h.
6909 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6911 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6912 movdi_lo_sum_pic and movdi_high_pic and make visible.
6913 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6914 emit these when Pmode is not SImode.
6915 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6917 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6919 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6920 .linkonce directive after the first time.
6922 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6924 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6925 the clobbered operand overlaps with an input.
6926 (bne0_di): Similarly.
6928 * Makefile.in (INSTALL): Remove "--no-header" argument.
6930 * NEWS: Various updates.
6932 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6934 * config/sparc/sparc.c (arith_operand, const64_operand,
6935 const64_high_operand, arith_double_4096_operand): Mark mode as
6937 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6939 (sparc_emit_set_const64): Remove unused variable i.
6940 (sparc_splitdi_legitimate): Likewise for addr_part.
6941 (ultra_code_from_mask): Likewise for mask.
6942 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6943 reverse return values so it matches usage and comments.
6944 (ultra_flush_pipeline): Likewise.
6945 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6946 this_type, and allow loads and stores of differing FP modes as
6947 they do not create a conflict.
6948 (ultra_find_type): Initialize fpmode to SFmode, fix
6949 parenthesization thinkos in large conditional.
6950 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6951 Init free_slot_mask after ultra_cur_hist is reset, not before.
6952 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6953 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6954 use ultra_flush_pipeline instead, then re-init group pointer.
6955 Fix statement with no effect. If no progress made in, and no
6956 instructions scheduled at all, advance to new pipeline cycle else
6957 we get into an endless loop.
6958 (ultrasparc_adjust_cost): Remove previous arg.
6959 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6961 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6963 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6964 code. Use reg_overlap_mentioned_p to detect when source and
6965 destination overlap.
6966 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6968 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6970 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6971 COMPARISON_VAL, into invariant_p.
6973 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6975 * regmove.c (regclass_compatible_p): New function.
6976 (regmove_optimize): Use it.
6978 Use NREGS parameter insted of calling max_reg_num.
6980 (fixup_match_1): Don't use code = MINUS when later tieing with
6981 a hard register is likely.
6983 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6985 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6986 COMPARISON_VAL was normalized.
6988 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6990 * loop.c (check_dbra_loop): The loop ending comparison value
6991 must be an invariant or we can not reverse the loop.
6993 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6994 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6996 (load_mems_and_recount_loop_regs_set): Likewise.
6998 * i386.c (print_operand): Remove obsolete 'c' docs.
7000 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7002 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7003 * frame.c (init_object_mutex): New function.
7004 (init_object_mutex_once): Likewise.
7005 (find_fde): Call it.
7006 (__register_frame_info): Likewise.
7007 (__register_frame_info_table): Likewise.
7008 (__deregister_frame_info): Likewise.
7010 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7012 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7014 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7016 * loop.c (check_dbra_loop): Enable code for reversal
7017 of some loops without a known constant loop end.
7019 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7021 * haifa-sched.c (last_clock_var): New.
7022 (schedule_block): Initialize it.
7023 (schedule_insn): Use it to fill insn modes with issue information.
7025 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7026 Tag trapb and next insn with TImode.
7027 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7028 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7029 Invoke alphaev5_align_insns as appropriate.
7030 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7031 (MD_SCHED_VARIABLE_ISSUE): New.
7032 * alpha.md (attr type): Add multi.
7033 (define_asm_attributes): New.
7034 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7035 (arg_home): Likewise.
7036 (fnop, unop, realign): New.
7038 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7040 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7041 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7043 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7044 (rs6000-ibm-aix4.[12]*): Likewise.
7045 * configure: Regnerate.
7047 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7049 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7050 already contains the return address.
7052 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7054 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7055 word sized hunks when loading unaligned args into registers.
7057 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7058 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7060 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7062 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7064 * loop.c (check_dbra_loop): Add some code that would allow reversal
7065 of some loops without a known constant loop end if it were enabled.
7067 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7069 * mips.md (lshrsi3_internal2+2): Fix type-o.
7071 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7073 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7074 correctly with regards to stdio.h.
7076 * calls.c: Remove stdarg.h/varargs.h.
7079 * combine.c: Likewise.
7080 * cpperror.c: Likewise.
7081 * cpplib.c: Likewise.
7082 * cpplib.h: Likewise.
7083 * doprint.c: Likewise.
7084 * emit-rtl.c: Likewise.
7085 * final.c: Likewise.
7086 * fix-header.c: Likewise.
7088 * genattr.c: Likewise.
7089 * genattrtab.c: Likewise.
7090 * gencodes.c: Likewise.
7091 * genconfig.c: Likewise.
7092 * genemit.c: Likewise.
7093 * genextract.c: Likewise.
7094 * genflags.c: Likewise.
7095 * genopinit.c: Likewise.
7096 * genoutput.c: Likewise.
7097 * genpeep.c: Likewise.
7098 * genrecog.c: Likewise.
7099 * mips-tfile.c: Likewise.
7100 * prefix.c: Likewise.
7101 * protoize.c: Likewise.
7102 * regmove.c: Likewise.
7103 * toplev.c: Likewise.
7106 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7108 * config/sparc/sparc.c (sparc_override_options): If not
7109 TARGET_FPU, turn off TARGET_VIS.
7110 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7111 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7112 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7113 (movdi_insn_sp64): Add VIS fzero alternative.
7114 (clear_sf, clear_df): New VIS patterns.
7115 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7117 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7119 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7121 * loop.c (n_times_set, n_times_used, may_not_optimize,
7122 reg_single_usage): Convert to varrays. All uses changed.
7123 (insert_loop_mem): Return a value.
7124 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7125 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7128 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7131 * configure.in: Do not set thread_file to "irix" since no such
7134 * sparc.md (float abs/neg splits): Check reload_completed before
7135 calling alter_subreg.
7137 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7139 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7141 * config/sparc/sparc.h: Declare it.
7142 * config/sparc/sparc.md (float abs/neg splits): Use it.
7143 (all other splits): Handle SUBREGs properly where necessary.
7144 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7146 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7148 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7149 an insn on the unfilled_slots_list that has no delay slots.
7150 (fill_eager_delay_slots): Similarly.
7152 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7154 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7155 as an ordinary operand.
7157 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7159 * tree.c (valid_machine_attribute): Don't apply attributes to both
7162 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7164 * reload.c (operands_match_p): Handle rtvecs.
7166 * i386.c (legitimate_pic_address_disp_p): New.
7167 (legitimate_address_p): Use it.
7168 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7169 Handle constant pool symbols just like statics.
7170 (emit_pic_move): Use Pmode not SImode for clarity.
7171 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7172 [UNSPEC]: New, handling what we killed above.
7173 [PLUS]: Detect and abort on invalid symbol arithmetic.
7174 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7176 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7178 * alias.c: Include output.h.
7179 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7180 different if we're in a varargs function.
7181 * Makefile.in (alias.o): Depend on output.h
7183 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7185 * sh.h (GIV_SORT_CRITERION): Delete.
7187 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7189 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7190 * stupid.c (stupid_life_analysis): Ditto.
7191 * reload1.c (reload): Ditto.
7193 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7195 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7196 arith_double_4096_operand, arith_double_add_operand): New
7198 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7199 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7200 them to transform add/sub 4096 into add/sub -4096.
7202 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7204 * loop.c (scan_loop): Allocate some slop to handle pseudos
7205 generated by move_movables.
7206 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7209 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7211 * tree.def (DECL_RESULT): Correct documentation.
7213 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7215 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7216 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7217 conflicts will all RELOAD_FOR_OUTPUT reloads.
7219 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7220 loads the function result, substitute with a USE.
7222 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7224 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7225 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7226 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7227 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7228 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7229 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7231 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7232 'o' to 'm' for GPR variant constraints.
7234 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7236 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7238 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7240 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7241 when the source and destination overlap.
7243 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7244 clash with global type.
7246 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7248 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7250 * c-common.c (combine_strings): Also set TREE_READONLY.
7251 Change warn_write_strings to flag_const_strings.
7252 * c-decl.c, c-tree.h: Likewise.
7254 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7256 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7257 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7258 sequence, use SET/IOR instead so CSE can see it.
7259 * config/sparc/sparc.md (movhi_const64_special,
7260 movsi_const64_special): New patterns necessitated by that change.
7261 (movhi_high): Remove.
7262 (movhi_lo_sum): Change to match an IOR.
7263 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7264 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7265 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7266 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7267 registers are involved.
7268 (snesi_zero_extend split): Remove reload_completed test.
7269 (unnamed plus and minus zero_extend sidi splits): Add it.
7271 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7273 * extend.texi: Remove description of extension to explicit
7274 instantiation that is now endorsed by standard C++.
7276 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7278 * config/arc/arc.c (arc_initialize_pic): Remove.
7279 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7280 nothing on any platform and is invoked by no-one, it does not even
7281 appear in the documentation.
7282 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7283 * config/sparc/sparc.c (initialize_pic): Likewise.
7284 (find_addr_reg): Remove this as well, no longer referenced after
7287 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7289 * recog.c (validate_replace_rtx_group): New function.
7290 * recog.h (validate_replace_rtx_group): Declare it.
7291 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7292 the entire group of substitutions.
7294 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7296 * loop.c (load_mems): Fix initializers.
7298 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7300 * config/sparc/sparc.md (TFmode splits): Handle destination
7301 registers being referenced in the address correctly.
7303 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7304 TREE_UNSIGNED, when bitsize of type's mode is larger than
7305 HOST_BITS_PER_WIDE_INT.
7307 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7309 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7310 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7311 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7313 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7316 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7318 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7319 * h8300.h (TINY_DATA_NAME_P): Likewise.
7320 (STRIP_NAME_ENCODING): Handle '&'.
7322 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7323 register (it could be accessed via an outer SUBREG).
7324 (REG_OK_FOR_BASE_P): Likewwise.
7325 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7327 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7330 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7332 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7334 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7335 must be offsettable so the splits can be made.
7337 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7339 * config/i386/winnt.c: Include system.h, not stdio.h to get
7340 sys/param.h pulled in before rtl.h in case the system defines MIN
7343 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7345 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7347 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7349 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7351 * cpplib.c (cpp_define): Handle macros with parameters.
7353 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7355 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7356 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7357 and DImode 64-bit. Use llong for minimal-toc SFmode and
7358 SYMBOL_REF / LABEL_REF 64-bit.
7359 (output_function_profiler): Use llong for profiler label and ld to
7360 load 64-bit label address.
7362 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7364 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7367 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7369 * version.c: Bump for snapshot.
7371 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7373 * version.c: Bump for snapshot.
7375 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7377 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7379 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7381 * tm.texi (Misc): Fix typo "teh".
7383 * tm.texi (PIC): Fix typo "PPIC".
7385 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7386 effect when -O2 and higher.
7387 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7389 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7391 * regclass.c: Changed register set documentation to be consistent
7394 * final.c (final_start_function) Removed redundant test for
7397 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7399 * rtl.h (rtx_function): New type.
7400 (for_each_rtx): New function.
7401 * rtlanal.c (for_each_rtx): Define it.
7403 * recog.c (change_t): New type.
7404 (change_objects, change_old_codes, change_locs, change_olds):
7406 (changes): New variable.
7407 (validate_change): Dynamically allocate room for more changes, if
7408 necessary. Uses changes array instead of change_objects, etc.
7409 (apply_change_group): Use changes array instead of
7410 change_objects, etc.
7412 * loop.c (loop_mem_info): New type.
7413 (loop_mems): New variable.
7414 (loop_mems_idx): Likewise.
7415 (looop_mems_allocated): Likewise.
7416 (scan_loop): Remove nregs parameter.
7417 (next_insn_in_loop): New function.
7418 (load_mems_and_recount_loop_regs_set): Likewise.
7419 (load_mems): Likewise.
7420 (insert_loop_mem): Likewise.
7421 (replace_loop_mem): Likewise.
7422 (replace_label): Likewise.
7423 (INSN_IN_RANGE_P): New macro.
7424 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7425 (scan_loop): Remove nregs parameter, compute it after any new
7426 registers are created by load_mems. Use INSN_IN_RANGE_P and
7427 next_insn_in_loop rather than expanding them inline. Call
7428 load_mems to load memory into pseudos, if appropriate.
7429 (prescan_loop): Figure out whether or not there are jumps from the
7430 loop to targets other than the label immediately following the
7431 loop. Call insert_loop_mem to notice all the MEMs used in the
7432 loop, if it could be safe to pull MEMs into REGs for the duration
7434 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7436 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7438 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7440 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7442 * config/sparc/sparc.c (finalize_pic): Check for the correct
7443 nonlocal_goto_receiver UNSPEC number.
7444 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7445 making note of this dependency existing in sparc.c
7446 (negtf2_notv9 split): Give NEG SFmode.
7447 (negsf2): Fix insn output string.
7449 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7451 * c-common.c (decl_attributes): Issue an error if the argument
7452 to alias is not a string.
7454 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7456 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7457 pending memory flush list.
7459 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7461 (try_combine): Allow combining insns with REG_LIBCALL notes.
7463 * expr.c (emit_block_move): Do not call memcpy as a libcall
7464 instead build up a CALL_EXPR and call it like any other
7466 (clear_storage): Similarly for memset.
7468 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7471 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7474 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7475 and REG_LIVE_LENGTH as successful substitutions are made.
7477 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7479 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7480 statement after end of loop label.
7482 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7484 * config/sparc/sparc.c (ultra_types_avail): New variable.
7485 (ultra_build_types_avail): New function to record mask of insn
7486 types in ready list at this cycle.
7487 (ultrasparc_sched_reorder): Call it.
7488 (ultra_find_type): Use it to quicken the search. Also simplif
7489 dependency check, don't use rtx_equal_p because we know exactly
7490 what we are looking for.
7492 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7494 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7495 for architecture v4.
7497 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7499 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7501 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7502 movdf_const_intreg and helper splits): New patterns to move float
7503 constants into integer registers.
7504 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7507 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7510 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7512 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7514 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7515 a BASE_REGS register is needed as an intermediate when copying
7516 a symbolic value into any register class other than BASE_REGS.
7518 * expr.c (move_by_pieces): No longer static. Remove prototype.
7519 * rtl.h (move_by_pieces): Add extern prototype.
7520 * mips.c (expand_block_move): Handle aligned straight line copy by
7521 calling move_by_pieces.
7523 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7526 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7528 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7529 jumps out of the loop to be treated as part of the exit test.
7531 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7532 Jeff Law <law@cygnus.com>
7534 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7535 * cplus-dem.c: Delete.
7537 * Makefile.in (fold-const.o): depend on $(RTL_H).
7539 * fold-const.c: Include rtl.h to get the prototype for
7540 `set_identifier_local_value'.
7542 * loop.c (express_from_1): Remove unused variable `tmp'.
7543 (combine_givs): cast the first argument of bzero to char *.
7545 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7547 * c-decl.c (init_decl_processing): Remove unneeded &.
7549 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7551 * except.c (set_exception_lang_code, set_exception_version_code):
7552 Change parameter from `short' to `int' to avoid using a gcc
7555 * except.h (set_exception_lang_code, set_exception_version_code):
7556 Likewise for prototypes.
7558 * flow.c (count_reg_references): Remove unused variables `regno'
7561 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7563 * prefix.c (translate_name): Cast the result of `alloca'.
7565 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7567 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7569 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7571 (valid_dbcc_comparison_p): Mark mode argument as unused.
7572 (symbolic_operand): Likewise.
7573 (legitimize_pic_address): Likewise.
7574 (const_uint32_operand): Likewise.
7575 (const_sint32_operand): Likewise.
7576 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7577 schedule_insns and comment out rest of file.
7579 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7581 (output_move_[hq]imode): Likewise.
7583 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7585 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7586 * invoke.texi: Corresponding changes.
7588 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7590 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7592 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7594 * config/sparc/sparc.c (ultra_code_from_mask,
7595 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7596 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7597 ultrasparc_sched_init, ultrasparc_variable_issue,
7598 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7599 functions to describe UltraSPARC pipeline exactly to Haifa.
7600 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7601 as there is nothing the scheduler can do about it. Indicate that
7602 REG_DEP_OUTPUT's collide. Fixup formatting.
7603 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7604 divide costs on Ultra for DImode.
7605 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7607 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7608 ieuN and add call_no_delay_slot to type list.
7609 (cti function unit): New unit for branches on UltraSPARC.
7610 (subx/addx insns): Set type to misc.
7611 (sidi zero/sign extension insns on arch64): Set type to shift.
7612 (sign_extendhidi2_insn): Set type to sload.
7614 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7616 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7617 (output_epilog): Use if != 0 for offset.
7618 (rs6000_fatal_bad_address): Prepare for Intl.
7619 * rs6000.h (rs6000_fatal_bad_address): Declare.
7620 * rs6000.md (movsfcc, movdfcc): Use else if.
7621 (elf_high): Use {liu|lis}.
7622 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7623 (movsi): Use rs6000_fatal_bad_address.
7625 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7627 * reload.c (find_equiv_reg): Reject equivalences separated
7628 by a volatile instruction.
7630 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7632 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7634 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7636 * alpha.md (movsicc): Fix mode mismatch.
7638 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7640 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7642 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7644 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7646 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7647 write-only modifier from operand 1 constraint.
7649 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7651 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7652 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7654 (sparc_emit_set_const64): Likewise, also when computing trailing
7655 bits do not negate low_bits and make fast_int an int.
7657 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7659 * loop.c (add_label_notes): Do not ignore references to labels
7660 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7661 * gcse.c (add_label_notes): Similarly.
7663 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7665 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7666 (adddi_dishl32): Similarly.
7668 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7670 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7671 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7672 * cse.c (cse_basic_block): Add parens to shut up warnings.
7674 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7676 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7677 sparc_emit_set_const64_longway, const64_is_2insns,
7678 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7679 in 64-bit constant formation.
7680 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7681 rtl for addx not subx.
7682 (define_insn movdi_const64_special): Make available even when
7683 HOST_BITS_PER_WIDE_INT is not 64.
7684 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7685 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7686 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7687 instances of operand 1 inside a QI subreg.
7688 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7689 (one_cmpldi2_sp64): Fix output string.
7690 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7692 (unnamed arch64 ashift DI): Truncate shift count if greater than
7695 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7697 * expr.c (store_expr): Don't optimize away load-store pair
7698 when either source or destination have a side effect.
7700 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7702 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7703 operands of SET are incompatible.
7705 * alpha.md: Fix max and min patterns so modes of SET operands match.
7707 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7709 * configure.in: Avoid [[ by using test and changequote.
7710 * configure: Rebuild.
7712 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7714 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7716 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7717 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7718 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7719 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7720 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7721 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7722 Fix mismatching modes in SET operands.
7723 (conditional move patterns): Fix formatting.
7724 (unnamed subx arch64 pattern): Remove duplicate insn.
7726 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7728 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7729 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7730 (input_operand): Fixup test for what we accept for constant
7732 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7734 (safe_constDI): Remove.
7735 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7736 gen_safe_XOR64): New functions.
7737 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7738 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7740 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7741 available when HOST_BITS_PER_WIDE_INT is not 64.
7742 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7743 move before movdi_insn_sp64 pattern.
7744 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7745 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7746 symbolic_operand as predicate for second operand.
7747 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7748 expander): Give set VOIDmode.
7750 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7752 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7754 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7756 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7758 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7760 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7762 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7764 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7766 * install.texi: Various SCO OpenServer tweaks.
7768 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7770 * reload1.c (eliminate_regs_in_insn): Handle another case when
7771 eliminating the frame pointer to the hard frame pointer. Add
7772 missing ep->to_rtx check to one existing case.
7774 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7776 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7778 * tree.h: De-conditionalize init_priority code.
7780 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7781 * collect2.c (NM_FLAGS): Change from -p to -n.
7783 * configure.in: Turn on collect2 for mipstx39-elf.
7784 Handle use_collect2=no properly.
7786 * c-common.c: De-conditionalize init_priority code.
7787 * collect2.c (extract_init_priority, sort_ids): New fns.
7788 (main): Call sort_ids.
7789 Move sequence_number to file scope.
7791 * configure.in: Handle --enable-init-priority.
7792 * c-common.c (attrs): Add A_INIT_PRIORITY.
7793 (init_attributes, decl_attributes): Likewise.
7794 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7795 * tree.c (get_file_function_name_long): Split out...
7796 (get_file_function_name): ...from here.
7798 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7800 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7803 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7805 * toplev.c (display_help): Add braces to shut up warnings.
7806 * tree.c (simple_cst_equal): Likewise.
7808 * fold-const.c (non_lvalue): Don't deal with null pointer
7810 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7812 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7813 of any size to a pointer.
7815 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7817 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7819 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7821 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7822 which will be saved.
7823 * mn10300.md (prologue insn): Only save registers which need saving.
7824 (epilogue insn): Similarly.
7826 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7829 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7831 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7832 VAR_DECL's in gp addressable sections.
7834 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7836 * sparc.c: Change return <exp> to <exp>; return; in functions
7838 * sparc.md: Add empty semicolon statement after final label in
7841 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7843 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7844 addx_extend_sp64, only allow when TARGET_ARCH64.
7845 (define_insn addx_extend_sp32 and split): Version that works when
7847 (define_insn subx_extend): Likewise.
7848 (define_split adddi3 and subdi3 with zero extension): Fixup and
7849 correct bugs when not TARGET_ARCH64.
7851 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7853 * except.c (set_exception_lang_code, set_exception_version_code):
7854 Use prototype-style definition if __STDC__, to match declaration
7857 * genemit.c: Change FAIL and DONE macros not to use loops.
7859 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7861 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7862 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7864 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7866 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7868 * README.g77: Update from Craig.
7870 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7872 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7874 (safe_constDI sparc_emit_set_const64_quick1,
7875 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7876 analyze_64bit_constant, const64_is_2insns,
7877 create_simple_focus_bits): Fix some bugs when compiled on real
7879 (function_arg_record_value_3, function_arg_record_value_2,
7880 function_arg_record_value): Add fully prototyped forward decls.
7881 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7882 to cmpsi_insn and use on both 64 and 32 bit targets.
7883 (define_insn cmpsi_insn_sp64): Remove.
7884 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7885 (define_insn zero_extendsidi2_insn): Rename to
7886 zero_extendsidi2_insn_sp64.
7887 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7888 assosciated forced split for it.
7890 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7892 * config/sparc/sparc.h: Declare them.
7893 (PREDICATE_CODES): Add them.
7894 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7895 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7897 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7899 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7900 in v9 case as the latter makes the Solaris assembler crash.
7902 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7904 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7905 for TFmode when !v9. We require offsettable memory addresses.
7906 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7907 DFmode register number conversions.
7908 * config/sparc/sparc.md (define_split DFmode moves): If register
7909 is a SUBREG do alter_subreg on it before using.
7910 (define_expand movtf): Fixup comment about alignment on v9.
7911 (define_split TFmode moves): Don't use gen_{high,low}part, create
7912 explicit SUBREGs instead.
7914 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7916 * Makefile.in (mbchar.o): Depend on mbchar.c.
7918 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7919 Richard Henderson <rth@cygnus.com>
7921 Rewrite Sparc backend for better code generation and
7922 improved sparc64 support.
7923 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7925 * config/sparc/sysv4.h: Likewise.
7926 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7927 move_operand, v8plus_regcmp_op, emit_move_sequence,
7928 singlemove_string, doublemove_string, mem_aligned_8,
7929 output_move_double, output_move_quad, output_fp_move_double,
7930 move_quad_direction, output_fp_move_quad, output_scc_insn):
7932 (small_int_or_double): New predicate.
7933 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7934 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7935 old pic_{sethi,lo_sum}_si patterns.
7936 (mem_min_alignment): New generic function to replace
7937 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7938 available and can test for arbitrary alignments. All callers
7940 (save_regs, restore_regs, build_big_number,
7941 output_function_prologue, output_cbranch, output_return,
7942 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7943 sparc_flat_output_function_epilogue): Prettify
7945 (output_function_epilogue): Likewise and add code to output
7946 deferred case vectors.
7947 (output_v9branch): Likewise, add new arg INSN and use it to tack
7948 on branch prediction settings. All callers changed.
7949 (print_operand): Likewise and output %l44 for LO_SUMs when
7951 (sparc_splitdi_legitimate): New function to make sure DImode
7952 splits can be run properly when !arch64.
7953 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7954 Reformat example code in comments.
7955 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7956 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7957 of deferred case vectors we need to output.
7958 (sparc_defer_case_vector): Record a case vector.
7959 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7960 sparc_output_deferred_case_vectors): New functions to output them.
7961 (sparc_emit_set_const32): New function to form 32-bit constants in
7962 registers when that requires more than one instruction.
7963 (safe_constDI, sparc_emit_set_const64_quick1,
7964 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7965 analyze_64bit_constant, const64_is_2insns,
7966 create_simple_focus_bits, sparc_emit_set_const64): New functions
7967 which do the same for 64-bit constants when arch64.
7968 (sparc_emit_set_symbolic_const64): New function to emit address
7969 loading for all code models on v9.
7970 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7971 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7972 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7973 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7974 inaccuracies in comments, add symbolic and text_segment operands
7975 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7976 GENERAL_REGS in these cases as a temp REG is needed to load these
7977 addresses into a register properly.
7978 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7980 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7981 quads are guarenteed to have 16-byte alignment.
7982 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7983 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7984 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7985 deferred case vector implementation.
7986 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7987 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7988 Generate "internal label - label" instead of "label - 1b".
7989 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7990 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7991 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7993 (doublemove_string, output_block_move, output_fp_move_double,
7994 output_fp_move_quad, output_move_double, output_move_quad,
7995 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7996 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7997 (sparc_emit_set_const32, sparc_emit_set_const64,
7998 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7999 mem_min_alignment, small_int_or_double): Add externs.
8000 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8001 UNSPEC_VOLATILE in this backend.
8002 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8003 unary to types which execute in it.
8004 (define_function_unit ieu_shift): Rename to ieu0.
8005 (define_function_unit ieu1): New, executes compare, call, and
8006 uncond_branch type insns.
8007 (define_function_units for type fdivs, fdivd, fsqrt): These
8008 execute in the fpu multiply unit not the adder on UltraSparc.
8009 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8010 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8011 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8012 allows the arith_double_operand predicate and rHI constraint when
8014 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8015 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8016 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8017 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8018 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8019 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8020 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8021 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8022 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8023 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8024 sign_extendqihi2_insn, sign_extendqisi2_insn,
8025 sign_extendqidi2_insn, sign_extendhidi2_insn,
8026 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8027 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8028 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8029 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8030 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8031 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8032 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8033 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8034 smulsi3_highpart_v8plus, unnamed subreg mult,
8035 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8036 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8037 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8038 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8039 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8040 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8041 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8042 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8043 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8044 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8045 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8046 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8047 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8048 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8049 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8050 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8051 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8052 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8053 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8054 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8055 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8056 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8057 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8058 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8059 call_address_untyped_struct_value_sp32,
8060 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8061 call_value_symbolic_sp32, call_value_address_sp64,
8062 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8063 flush_register_windows, goto_handler_and_restore,
8064 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8065 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8066 return_addsi, return_di, return_adddi, return_sf, all call+jump
8067 peepholes, trap, unnamed trap insns): Prettify output strings.
8068 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8069 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8070 Likewise and force + implement splits for integer cases.
8071 (define_insn return_sf_no_fpu): Likewise and allow to match when
8072 no-fpu because of our subreg SFmode splits.
8073 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8074 zero_extendqidi2_insn, zero_extendhidi2_insn,
8075 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8076 input_operand for second operand.
8077 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8078 reg_or_0_operand for operand 2 so new splits can use it.
8079 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8080 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8082 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8083 CONST_DOUBLEs for operand 2.
8084 (define_insn move_label_di): Likewise and label distance
8085 optimization because it no longer works with new deferred case
8086 vector scheme. To be revisited.
8087 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8088 and allow reg_or_0_operand and J constraint for second operand.
8089 (define_insn jump): Set branch predict taken on V9.
8090 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8091 new deferred case vector scheme.
8092 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8093 (define_insn negdi2_sp32): Force + implement splits.
8094 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8095 one_cmplsi2_not_liveg0 respectively, and create expander of original
8096 names which emit special rtl for TARGET_LIVE_G0.
8097 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8098 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8099 gen_compare_reg, FAIL instead.
8100 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8101 values when trying to reverse condition codes, if they FAIL then
8103 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8104 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8105 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8106 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8107 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8108 set output string to # to indicate they are mandatory splits.
8109 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8110 pic_sethi_di, move_pic_label_si): Remove.
8111 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8112 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8114 (define_expand movsi_pic_label_ref, define_insn
8115 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8116 expander and insns to handle PIC label references and deferred
8118 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8120 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8121 Rewrite to not use emit_move_sequence, make use of new constant
8122 formation code, and new splits for all multi-insn cases.
8123 (define_insn movqi_insn): Remove sethi case, it can never happen.
8124 Use reg_or_zero_operand instead of const0_rtx explicit test,
8125 use input_operand instead of move_operand for source, and use
8126 general_operand now for dest.
8127 (define_insn movhi_insn): Similar but leave sethi case.
8128 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8129 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8130 movhi_lo_sum respectively, prettify output string.
8131 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8132 register when needed on TARGET_LIVE_G0.
8133 (define_insn movsi_insn): Use general_operand and input_operand
8134 for dest and src respectively. Simplify applicability test.
8135 Prettify output strings, and add clr alternative for J
8137 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8138 deprecated std and reg-reg DI moves): Remove and...
8139 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8140 implementation which uses forced splits for all non-single insn
8142 (define_split DI move cases on !arch64): New splits to handle all
8143 situations of 64-bit double register DImode on 32bit, and
8144 unaligned registers and memory addresses for all subtargets.
8145 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8147 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8148 input_operand for dest and src respectively, prettify output
8150 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8151 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8153 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8154 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8155 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8156 movtf_no_e_insn_sp64) Replace with new
8157 implementation which uses forced splits for all non-single insn
8159 (define_split DF move cases): New splits in similar vein to DI
8161 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8162 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8163 movdi_sp64_insn): Remove old v9 code model and constant loading
8165 (define_insn pic_lo_sum_di, pic_sethi_di,
8166 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8167 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8168 embmedany_sethi, embmedany_losum, embmedany_brsum,
8169 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8170 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8171 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8172 scheme, using unspecs, secondary reloads, and one to one sparc
8173 insn to rtl insn mapping for better scheduling and code gen.
8174 (define_expand reload_indi, reload_outdi): Reload helpers for
8175 MEDANY and EMBMEDANY symbol address loading cases which require a
8177 (define_expand movsicc): Remove v8plus_regcmp cases.
8178 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8179 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8180 cmp_diqi_trunc_set): New patterns used by some of the new scc
8182 (define_insn xordi3_sp64_dbl): New pattern used for constant
8183 formation when crossing from 32-bit targets.
8184 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8186 (define_insn addx, subx): Make visible and prettify.
8187 (define_insn adddi3_insn_sp32): Likewise and force split.
8188 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8189 64bit scc split usage.
8190 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8191 zero_extend, subdi3): Force and implement splits.
8193 * final.c (final_scan_insn): Don't output labels if target
8194 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8197 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8198 don't forget to walk inside SEQUENCESs too as these are what the
8199 delay slot scheduler will create.
8201 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8203 * alpha.md (extxl+1,+2): New patterns to work around
8206 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8208 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8209 caused bad assembly code to be generated.
8211 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8213 * netbsd.h: Fix typo.
8215 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8217 * config.sub: Fix typo.
8219 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8221 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8223 (Running Protoize): Typo: Change "ther" into "other".
8225 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8227 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8228 * m68k/netbsd.h: Likewise.
8229 * ns32k/netbsd.h: Likewise.
8230 * sparc/netbsd.h: Likewise.
8232 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8234 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8235 * ginclude/va-clipper.h (va_list): Likewise.
8237 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8239 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8240 load/store multiple instructions unless user overrides.
8242 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8244 * ns32k/netbsd.h: Fix typo.
8246 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8248 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8249 labels with .debugsym if no parallel insns.
8251 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8253 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8254 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8256 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8258 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8259 (AR_FOR_TARGET): Define.
8261 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8263 * dyn-string.h: New file.
8264 * dyn-string.c: Likewise.
8265 * Makefile.in (OBJS): Add dyn-string.o.
8266 (dwarf2out.o): Add dyn-string.h dependency.
8267 (dyn-string.o): List dependencies.
8268 * dwarf2out.c: Include dyn-string.h.
8269 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8270 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8271 prototype. Use dyn_string_append rather than strcat, throughout.
8272 (addr_to_string): Use dyn_string_t.
8274 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8276 Function entry/exit profiling instrumentation:
8277 * expr.h (profile_function_entry_libfunc,
8278 profile_function_exit_libfunc): Declare new variables.
8279 * optabs.c: Define them here.
8280 (init_optabs): Initialize them.
8281 * tree.h (struct tree_decl): New flag
8282 no_instrument_function_entry_exit.
8283 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8284 * c-decl.c (duplicate_decls): Merge it.
8285 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8286 (init_attributes): Use it for "no_instrument_function".
8287 (decl_attributes): Handle it, for functions that have not yet been
8288 compiled. Set decl flag.
8289 * flags.h (flag_instrument_function_entry_exit): Declare new
8291 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8292 (f_options): New option "instrument-functions".
8293 * function.h (struct function): New field instrument_entry_exit.
8294 * function.c (current_function_instrument_entry_exit): New
8296 (push_function_context_to, pop_function_context_from): Save and
8298 (expand_function_start): Set current_ variable, maybe emit return
8299 label and entry profile call.
8300 (expand_function_end): Maybe emit exit profile call.
8302 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8304 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8305 NON_QI_REG_P, pretend the register is SImode.
8307 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8309 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8310 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8311 manufacturer id for ns32k.
8312 * configure: Regenerated.
8313 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8314 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8315 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8316 * config/m68k/netbsd.h: Same.
8317 * config/ns32k/netbsd.h: Same.
8318 * config/sparc/netbsd.h: Same.
8320 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8322 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8323 or UNROLL_COMPLETELY loop that starts with a jump to its
8326 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8328 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8329 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8330 (print_operand, case 'B'): Don't fall through.
8331 (print_operand, case 'S'): Correct mask begin/end computation.
8332 Use HOST_BITS_PER_WIDE_INT.
8333 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8334 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8335 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8336 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8338 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8340 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8341 constraint from second alternative.
8343 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8345 * configure.in: Fix --without/--disable cases for local-prefix,
8346 gxx-include-dir and checking.
8348 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8350 * configure.in (enable_haifa): Set by default for sparc64 too.
8353 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8355 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8356 * i386/winnt.c (associated_type): New fn.
8357 (i386_pe_valid_type_attribute_p): New fn.
8358 (i386_pe_check_vtable_importexport): Remove.
8359 (i386_pe_dllexport_p): Use associated_type.
8360 (i386_pe_dllimport_p): Likewise.
8362 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8363 * i386.c (i386_valid_type_attribute_p): Also accept
8364 attributes for METHOD_TYPEs.
8366 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8368 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8370 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8372 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8374 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8375 them from generating a new base name for each occurence of
8378 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8380 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8382 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8386 * cplus-dem.c (type_kind_t): New type.
8387 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8388 on this paramter, rather than demangling the type again.
8389 (demangle_integral_value): Pass tk_integral.
8390 (demangle_template_: Pass the value returned from do_type.
8391 (do_type): Return a type_kind_t. Pass tk_integral to
8392 demangle_template_value_parm for array bounds.
8393 (demangle_fund_type): Likewise.
8395 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8397 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8400 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8402 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8404 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8406 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8408 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8411 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8413 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8414 (DEBUGGER_ARG_OFFSET): Likewise.
8416 * mn10300.md (movsf): Remove last change. Not needed.
8418 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8420 * c-lex.c (yylex): Fix boundary conditions in character literal and
8421 string literal loops.
8423 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8425 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8426 being invoked incorrectly.
8428 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8429 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8431 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8432 * configure.in: Added i[34567]86-*-win32
8433 * config.sub: Ditto.
8434 * configure: Rebuilt.
8436 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8438 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8439 the frame pointer and compiling PIC code and reload has not completed.
8441 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8444 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8446 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8448 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8450 * Makefile.in (install-info): Only try to update the info
8451 directory file if it exists in the first place.
8453 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8455 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8457 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8459 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8460 CONST_DOUBLE source.
8462 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8464 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8465 strings as the insertion of USER_LABEL_PREFIX.
8466 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8468 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8471 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8473 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8474 already defined type.
8476 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8478 * expr.c (check_max_integer_computation_mode): Allow conversions
8479 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8480 (expand_expr): Likewise.
8482 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8484 * expr.c (expand_expr): Expand RETURN_EXPR.
8486 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8488 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8490 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8492 * dwarf2out.c (output_aranges): Call stripattributes
8493 for TEXT_SECTION references.
8494 (output_line_info): Likewise.
8496 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8498 * profile.c (branch_prob): Call allocate_reg_info after outputting
8499 profile rtl in instrument_arcs.
8501 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8503 * fixinc.irix (math.h): Install wrapper instead of copying.
8505 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8507 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8508 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8509 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8510 lang_flag_0. Added documentation in the flag table.
8512 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8514 * cccp.c (do_include): Fix vax c style include handling.
8516 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8518 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8520 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8522 * fold-const.c (non_lvalue): Don't deal with null pointer
8524 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8526 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8528 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8529 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8530 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8531 (u_short_cint_operand): Same.
8532 (reg_or_cint_operand): Same.
8533 (logical_operand): Same.
8534 (input_operand): Same.
8535 (reg_or_short_operand): Use u_short_cint_operand.
8537 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8539 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8540 but keep the insns and splits. Adjust so when the ultimate destination
8541 is memory, use cvtql.
8543 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8545 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8547 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8549 * gcc.c (do_spec): Call "error" not "warning".
8551 * configure.in: Fix minor problems with gas feature detection code.
8552 * configure: Rebuilt.
8554 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8557 * gcc.c: Delete %[spec] support.
8558 (do_spec_1, case '('): Likewise.
8559 (do_spec_1, case '['): Call error.
8561 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8563 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8564 (CPP_SUBTARGET_SPEC): Default to empty string.
8565 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8566 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8567 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8568 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8570 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8571 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8572 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8573 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8574 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8575 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8576 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8577 * alpha/vxworks.h: Likewise.
8579 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8581 * mips.md (reload_outsi): Added missing REGNO call.
8582 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8584 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8585 another match_operator and compare the codes.
8587 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8589 * MIPS multiply pattern fixes:
8590 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8591 Add union classes for HI, LO, or HILO plus general registers.
8592 (GENERATE_MADD): Deleted.
8593 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8594 Add TARGET_MAD to condition.
8595 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8596 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8597 "*d" for accumulator, to give preference to LO initially but not
8600 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8602 * configure.in (enable_c_mbchar): New configure option.
8603 (extra_cpp_objs): Always available now.
8605 * cexp.y (mbchar.h): #include it.
8606 (yylex): Handle Multibyte characters in character literals.
8608 * cccp.c (mbchar.h): #include it.
8609 (main): Set character set based on LANG environment variable.
8610 (rescan): Handle multibyte characters in comments.
8611 (skip_if_group): See above.
8612 (validate_else): See above.
8613 (skip_to_end_of_comment): See above.
8614 (macarg1): See above.
8615 (discard_comments): See above.
8616 (rescan): Handle multibyte characters in string and character literals.
8617 (collect_expansion): See above.
8618 (skip_quoted_string): See above.
8619 (macroexpand): See above.
8620 (macarg1): See above.
8621 (discard_comments): See above.
8622 (change_newlines): See above.
8624 * c-lex.c (mbchar.h): #include it.
8625 (GET_ENVIRONMENT): New macro.
8626 (init_lex): Set character set based on LANG environment variable.
8627 (yylex): Handle multibyte characters in character literals.
8628 (yylex): Handle multibyte characters in string literals.
8630 * Makefile.in (mbchar.o): New target.
8631 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8632 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8634 * mbchar.[ch]: New files for multibyte character handling.
8636 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8638 * jump.c (jump_optimize): When simplifying noop moves and
8639 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8640 the PUSHes to rewrite in second loop as we did in the first.
8642 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8644 * cplus-dem.c (demangle_nested_args): Make function definition
8645 static to match the prototype.
8647 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8649 * alloca.c: Respect USE_C_ALLOCA.
8650 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8651 * gengenrtl.c (xmalloc): Likewise.
8653 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8655 * loop.h (struct induction): Add no_const_addval.
8656 * loop.c (the_movables, reg_address_cost): New variables.
8657 (init_loop): Init reg_address_cost.
8658 (loop_optimize): Call end_alias_analysis.
8659 (scan_loop): Init the_movables.
8660 (record_giv): Init induction->no_const_addval.
8661 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8662 [REG]: Rearrange loop search test to catch more cases.
8663 (general_induction_var): Return success not benefit; take an extra
8664 argument for that. Change all callers.
8665 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8666 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8667 [default]: Search the_movables for additional combinations.
8668 (sge_plus_constant, sge_plus): New functions.
8669 (express_from_1): New function.
8670 (express_from): Always define. Rewrite using express_from_1.
8671 (combine_givs_p): Handle more cases. Ignore address cost.
8672 (cmp_combine_givs_stats): New function.
8673 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8674 (combine_givs): Rewrite to do best-fit combination.
8676 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8677 (fold): Do a complete (A*C)+(B*C) association check.
8679 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8681 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8683 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8685 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8687 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8689 * tree.c (valid_machine_attribute): Only create a new type variant if
8690 there is a decl to use it.
8692 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8694 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8697 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8699 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8702 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8704 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8705 Simplify tests for clearing an address register.
8706 (expand_prologue): Corresponding changes.
8708 * mn10300.md (movXX patterns): Make sure the destination is an
8709 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8710 (logical patterns): Split into expanders + patterns
8711 (zero and sign extension patterns): Similarly.
8712 (shift patterns): Similarly.
8714 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8716 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8717 for the sequence, recording base values.
8719 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8721 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8723 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8725 * gcc.c: Remove ANSI-C ism from --help code.
8727 * toplev.c: Support --help with USE_CPPLIB.
8729 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8731 * configure.in: Rework gas feature code to work with symlink based
8734 * extend.texi: Clarify some issues related to local variables
8735 assigned to explicit registers.
8737 * mn10300.md (mulsi): Turn into expander + pattern.
8739 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8742 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8744 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8746 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8748 * version.c: Bump again to distinguish mainline tree from the
8751 See ChangeLog.0 for earlier changes.
8754 add-log-time-format: current-time-string