1 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
3 * expr.c (store_expr): If the lhs is a memory location pointed
4 to be a postincremented (or postdecremented) pointer, always
5 force the rhs to be evaluated into a pseudo.
7 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
9 * real.c (mtherr): Print more reasonable warning messages.
11 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
15 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
16 (new_include_prefix): Constify char* parameters.
18 * cppfiles.c (read_name_map): Likewise.
19 (append_include_chain): Likewise. Also, use a writable char* copy
20 of parameter `dir' which we then modify, rather than using the
21 parameter itself to store the new writable string.
22 (remap_filename): Constify some variables. Also, use a writable
23 char* to store an allocated string which we will be modifying.
25 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
26 (cpp_start_read): Constify variable `str'.
28 * cpplib.h (append_include_chain): Constify a char* parameter.
30 * gcc.c Include prefix.h, don't prototype prefix.c functions.
31 (add_prefix, save_string): Constify char* parameters.
32 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
34 * prefix.c: Include prefix.h.
35 (get_key_value, translate_name, save_string, update_path,
36 set_std_prefix): Constify various char* parameters and variables.
37 (save_string): Use xmalloc, not malloc.
38 (translate_name): Use a writable temporary variable to create and
39 modify a string before setting it to a const char*.
41 * prefix.h: New file to prototype functions exported from prefix.c.
43 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
45 * cpplib.c (skip_if_group): Split out the logic that handles
46 directive recognition to its own function. Don't use
47 parse markers; use a bare pointer into the buffer. Use
48 copy/skip_rest_of_line instead of doing it by hand. Remove
49 `return on any directive' mode which was never used, and take
51 (consider_directive_while_skipping): New function, subroutine
52 of skip_if_group. Logic streamlined a bit.
53 (conditional_skip, do_elif, do_else): Call skip_if_group with
56 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
58 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
61 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
63 * extend.texi (Bound member functions): Document.
65 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
67 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
68 lang_to_string, type_to_string): Make return type const char*.
69 (print_symbol): Apply `const' keyword to a char*.
70 (print_file_desc): Cast structure member `crfd' to ulong when
71 comparing against one.
73 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
74 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
75 (progname, input_name): Apply `const' keyword to a char*.
76 Don't redundantly include sys/stat.h.
77 (alloc_info): Apply `const' keyword to a char*.
78 (st_to_string, sc_to_string): Likewise.
79 (hash_string): Cast variable `hash_string' to a symint_t when
80 comparing against one.
81 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
82 Likewise cast it to long when comparing against one.
83 (add_local_symbol): Apply `const' keyword to a char*.
84 (add_ext_symbol): Likewise.
85 (add_unknown_tag): Likewise.
86 (add_procedure): Cast a printf-style field width to an int.
87 (add_file): Cast PAGE_USIZE to long when comparing against one
88 (parse_begin): Cast a printf-style field width to an int.
89 (parse_bend): Likewise.
90 (parse_def): Likewise.
91 (parse_end): Likewise.
92 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
93 (parse_stabs_common): Fix format specifier.
94 (parse_input): Change type of variable `i' to Size_t.
95 (write_object): Fix arguments to match format specifiers.
96 Cast variable `num_write' to long when comparing against one.
97 (read_seek): Cast variable `sys_read' to symint_t when comparing
98 against one. Fix arguments to match format specifiers. Cast
99 variable `size' to long when comparing against one.
100 (copy_object): Cast result of `sizeof' to int when comparing
101 against one. Fix arguments to match format specifiers. Cast
102 variable `ifd' to long when comparing against a signed value.
105 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
107 * c-common.c (decl_attributes): Allow applying attribute `unused'
110 * c-parse.in (label): Parse attributes after a label, and call
111 `decl_attributes' to handle them.
113 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
115 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
116 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
118 * invoke.texi: Note that labels can be marked `unused'.
120 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
122 * version.c: Bump for snapshot.
124 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
126 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
127 RTL for a compare/jump sequence.
129 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
131 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
132 for a target with HAVE_cc0 defined.
133 (emit_cmp_and_jump_insns): New function.
134 * expr.h (emit_cmp_and_jump_insns): Prototype it.
135 * loop.c (check_dbra_loop): Use it to replace calls
136 to emit_cmp_insn and emit_jump_insn and to canonicalise
137 the comparison if necessary.
138 * unroll.c (unroll_loop): Likewise.
140 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
142 * fixincludes (sys/utsname.h): Provide forward declaration of
143 struct utsname on Ultrix V4.[35].
145 * mips.md (div_trap): Use local labels instead of dot-relative
148 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
150 * pa.md (branch, negated branch): Handle (const_int 0) as first
152 * pa.c (output_cbranch): Likewise.
154 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
156 * rs6000.c (rs6000_stack_info): Undo spurious part of last
159 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
161 * extend.texi (__builtin_constant_p): Add missing @smallexample.
163 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
165 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
167 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
169 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
170 (adddi_dishl32): Similarly.
172 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
173 for each insn in the skipped block.
175 * reload1.c (reload_as_needed): Verify that the insn satisfies its
176 constraints after replacing a register address with an autoincrement
177 address for reload inheritance purposes.
179 * i386.md (doubleword shifts): Avoid namespace pollution.
181 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
183 * configure.in (FreeBSD ELF): Needs special crt files.
185 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
187 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
189 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
191 * loop.c (check_dbra_loop): While reversing the loop, if the
192 comparison value has a VOID mode use the mode of the other operand
195 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
197 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
198 avoid warnings in compiling explow.c.
200 (patch from Ken Raeburn, raeburn@cygnus.com)
201 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
202 fpmem_offset. Compute total size after that, and then
203 rs6000_fpmem_offset using both values.
205 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
207 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
208 the future; indeed that already happens in some cases.
210 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
212 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
213 (arith_operand): Remove constant_p_rtx handling.
214 (const64_operand, const64_high_operand): Likewise.
215 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
216 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
217 (small_int_or_double, uns_small_int, zero_operand): Likewise.
218 * sparc.h (PREDICATE_CODES): Likewise.
220 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
222 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
224 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
225 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
226 consider constant CONSTRUCTOR constant and to defer some cases
228 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
229 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
231 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
233 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
234 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
236 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
237 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
238 (sext_add_operand, and_operand, or_operand): Likewise.
239 (reg_or_cint_operand, some_operand, input_operand): Likewise.
240 * alpha.h (PREDICATE_CODES): Likewise.
242 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
244 * version.c: Bump for snapshot.
246 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
248 * gengenrtl.c (gencode): Always use bzero to clear memory instead
249 of dangerous casts and stores.
251 * Makefile.in (compare, gnucompare): Add missing else true clauses.
253 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
255 * alpha.md (builtin_longjmp): Add missing "DONE".
257 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
259 * gcc.c (execute): Enable -pipe with win32.
261 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
263 * config/arm/t-arm-elf: Add multiplib option for leading
266 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
267 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
269 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
270 than variable 'reload_address_base_reg_class'. [Note this
271 change is unrelated to the others in this patch].
273 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
276 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
278 * alias.c (record_alias_subset): Remove ignored `&'.
279 (init_alias_once): Likewise.
281 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
283 * config/mips/mips.c (mips_asm_file_end): Cast the result of
284 fwrite to `int' when comparing against one.
286 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
287 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
289 * cse.c (rehash_using_reg): Change type of variable `i' to
292 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
295 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
297 * final.c (final_scan_insn): Likewise for variable `i'.
298 (output_asm_insn): Cast a char to unsigned char when used as an
301 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
304 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
306 * recog.c (preprocess_constraints): Cast a char to unsigned char
307 when used as an array index.
309 * regmove.c (find_matches): Likewise.
311 * reload1.c (calculate_needs): Add default case in switch.
312 (eliminate_regs_in_insn): Initialize variable `offset'.
313 (set_offsets_for_label): Change type of variable `i' to unsigned.
314 (reload_as_needed): Wrap variable `i' in macro check on
315 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
317 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
318 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
319 when comparing against one.
321 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
322 unsigned when comparing against one. Likewise for
323 GET_MODE_ALIGNMENT().
324 (layout_record): Cast record_align to int when comparing against a
326 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
329 * tree.c (get_identifier): Cast variable `len' to unsigned when
330 comparing against one.
331 (maybe_get_identifier): Likewise
333 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
335 * toplev.c (rest_of_compilation): Do not set reload_completed.
336 * reload1.c (reload): Set reload_completed before calling
337 cleanup_subreg_operands.
339 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
341 * reload1.c (emit_reload_insns): Check `set' not null before use.
343 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
345 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
348 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
350 * halfpic.c (half_pic_encode): Delete redundant code.
352 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
354 * toplev.c (main): Delete handling of -dM as a preprocessor
357 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
359 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
360 -dI, which are handled by the preprocessor.
362 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
364 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
365 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
367 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
369 * version.c: Bump for snapshot.
371 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
373 * version.c: Bump for snapshot.
375 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
377 * version.c: Bump for snapshot.
379 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
381 * genattr.c (fatal): Qualify a char* with the `const' keyword.
383 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
384 write_unit_name, write_eligible_delay, expand_units,
385 make_length_attrs, write_attr_case, find_attr,
386 make_internal_attr): Likewise.
387 * gencheck.c (tree_codes): Likewise.
388 * gencodes.c (fatal): Likewise.
389 * genconfig.c (fatal): Likewise.
390 * genemit.c (fatal): Likewise.
391 * genextract.c (fatal, walk_rtx, copystr): Likewise.
392 * genflags.c (fatal): Likewise.
393 * genopinit.c (fatal, optabs, gen_insn): Likewise.
394 * genoutput.c (fatal, error, predicates): Likewise.
395 * genpeep.c (fatal): Likewise.
396 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
397 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
399 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
401 * configure.in (with-fast-fixincludes): Fix whitespace.
402 * configure: Rebuilt.
404 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
405 asm() etc. function declarations in __DECC.
407 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
409 * expr.c (emit_move_insn_1): Only emit a clobber if the target
410 is a pseudo register.
412 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
414 * gcse.c: Include expr.h in order to get the prototype for
415 get_condition() which is used in delete_null_pointer_checks().
417 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
419 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
421 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
423 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
424 (ALL_CFLAGS): Delete SCHED_CFLAGS.
426 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
428 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
431 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
433 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
434 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
435 optimizations from the combiner.
437 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
439 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
441 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
443 * toplev.c (main): Disable optimize_size if a specific
444 optimization level is requested. Always set optimization
445 level to 2 if -Os is specified.
447 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
449 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
451 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
452 initialize it using fname.
454 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
456 * cpplib.c (do_include): Treat #include_next in the
457 primary source file as #include plus warning. Treat
458 #include_next in a file included by absolute path as an
459 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
461 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
463 * cccp.c: Don't define MIN/MAX anymore.
464 * cpplib.c: Likewise.
465 * machmode.h: Likewise.
466 * system.h: Provide definitions for MIN/MAX.
468 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
470 * fix-header.c: Don't define xstrdup here.
472 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
474 * loop.c (consec_sets_giv): New argument last_consec_insn.
475 (strength_reduce): Provide / use it.
477 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
479 * loop.h (loop_info): New field 'vtop'.
480 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
481 scanning loop for vtop.
482 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
483 (loop_iterations): Use them to determine if loop has a constant
484 number of iterations. Set loop_info->vtop. Don't subtract
485 common reg term from initial_value and final_value if have a
488 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
490 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
492 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
494 * mn10200.md (abssf2, negsf2): New expanders.
496 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
498 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
500 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
501 replaced by a CONCAT whoes components do not have the same
502 mode as the original SUBREG, use a new SUBREG to restore the
505 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
506 multiword complex values.
508 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
510 * cppalloc.c: Add xstrdup here.
511 * cpplib.h: Remove savestring prototype.
512 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
514 * cppfiles.c: s/savestring/xstrdup/ throughout.
516 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
518 * cpplib.c: Make all directive handlers read their own
520 (struct directive): Remove last two arguments from FUNC
521 member prototype. Remove `command_reads_line' member
523 (directive_table): Remove initializations of
524 command_reads_line flag. Pretty-print.
525 (eval_if_expression, do_define, do_line, do_include,
526 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
527 do_else, do_elif, do_sccs, do_assert, do_unassert,
528 do_warning): Take only two args.
530 (cpp_define): Call do_define with two args and the text to
531 define stuffed into a buffer.
532 (make_assertion): Call do_assert with two args.
533 (handle_directive): Call do_line with two args. Call
534 kt->func with two args. Remove command_reads_line
536 (do_define, do_undef, do_error, do_warning, do_pragma,
537 do_sccs): Read the rest of the line here.
538 (do_ident): Gobble rest of line, as cccp does.
539 (cpp_undef): New function.
540 (cpp_start_read): Call cpp_undef instead of do_undef.
542 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
544 * cpphash.h (union hash_value): Remove `keydef' member, add a
545 `struct hashnode *aschain' member for #assert.
547 * cpplib.c (struct tokenlist_list, struct
548 assertion_hashnode): Delete structure definitions.
549 (assertion_install, assertion_lookup, delete_assertion,
550 check_assertion, compare_token_lists, reverse_token_list,
551 read_token_list, free_token_list): Delete functions.
552 (parse_assertion): New function.
553 (cpp_cleanup): Don't destroy the assertion_hashtable.
555 (do_assert): Gut and rewrite. #assert foo (bar) places
556 entries for `#foo' and `#foo(bar)' in the macro hash table,
557 type T_ASSERT. The value union's `aschain' member is used
558 to chain all answers for a given predicate together.
559 (do_unassert): Also rewritten. Take an un-asserted
560 answer off the chain from its predicate and call
561 delete_macro on the hashnode, or walk a predicate chain
562 calling delete_macro on all the entries.
563 (cpp_read_check_assertion): Simply call parse_assertion to
564 get the canonical assertion name, and look that up in the
567 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
570 * cpphash.c (install): Use bcopy instead of an explicit loop
571 to copy the macro name.
573 * cppexp.c (cpp_lex): Convert the result of
574 cpp_read_check_assertion to a `struct operation' directly;
575 don't go through parse_number.
577 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
579 * loop.h (struct induction): Delete times_used member.
580 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
581 (n_times_used): Rename to n_times_set. Changed all users.
582 (scan_loop): Free reg_single_usage before strength reduction.
583 (record_giv, combine_givs): Remove handling of times_used member.
584 (combine_givs_used_once): Rename to:
585 (combine_givs_used_by_other) . Changed all callers.
587 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
589 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
590 instead of TREE_CODE_CLASS == 't'.
591 (gen_type_die): Likewise.
592 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
594 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
596 * real.c (endian): Disable last change unless
597 HOST_BITS_PER_WIDE_INT is greater than 32.
599 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
601 * output.h (force_data_section): New prototype.
602 * varasm.c (force_data_section): New function to force the
603 data section, regardless of what in_section thinks.
604 * dwarf2out.c (output_call_frame_info): Call force_data_section
605 since varasm may not realize we've changes sections.
607 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
609 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
610 after completeing reload.
612 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
613 deleted after reload.
615 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
617 * rtl.h (multiple_sets): Fix prototype.
618 * rtlanal.c (multiple_sets): Fix return type.
620 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
622 * version.c: Bump for snapshot.
624 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
626 * version.c: Bump for snapshot.
628 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
630 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
632 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
634 * rtl.h (recompute_reg_usage): Add second argument.
635 * flow.c (recompute_reg_usage): Likewise.
636 * toplev.c (rest_of_compilation): Supply second argument to
639 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
642 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
644 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
645 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
646 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
649 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
651 * rtlanal.c (multiple_sets): New function.
652 * rtl.h (multiple_sets): Declare it.
653 * local-alloc.c (wipe_dead_reg): Use it.
654 * global.c (global_conflicts): Likewise.
656 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
658 * global.c (record_conflicts): Don't use an array of shorts to
659 store an array of ints.
660 (global_conflicts): Likewise.
662 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
664 * alpha.c (alpha_expand_block_move): mode_for_size expects
665 bits, not bytes. Infer extra alignment from addressof.
667 1998-12-11 Michael Meissner <meissner@cygnus.com>
669 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
670 .sbss section, not .sdata.
672 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
674 * cccp.c: Do not #include <sys/stat.h> here; this is already done
676 * collect2.c: Likewise.
677 * cpplib.h: Likewise.
680 * getpwd.c: Likewise.
681 * protoize.c: Likewise.
682 * toplev.c: Likewise.
684 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
685 and don't try to define it here.
686 * Makefile.in (cppmain.o): Depend on machmode.h.
687 (cpplib.o): Likewise.
688 (cpperror.o): Likewise.
689 (cppexp.o): Likewise.
690 (cppfiles.o): Likewise.
691 (cpphash.o): Likewise.
692 (cppalloc.o): Likewise.
693 (fix-header.o): Likewise.
694 (scan-decls.o): Likewise.
696 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
698 * sh.c (print_operand): lookup interrupt_handler attribute instead
699 of relying on static variable.
700 * (calc_live_regs): Likewise.
701 * (sh_pragma_insert_attributes): Create interrupt_handler
702 attribute if a pragma was specified
703 * (sh_valid_machine_decl_attribute): Don't set static flag.
704 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
706 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
708 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
709 to determine if a register is live at a jump destination.
710 Everything is dead at a BARRIER.
712 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
714 * cse.c (simplify_unary_operation): Sign-extend constants when
715 they have the most significant bit set for the target.
716 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
718 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
719 HOST_WIDE_INT temporary before negating it.
720 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
722 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
724 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
727 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
729 * collect2.h: New header file for prototypes.
731 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
733 * collect2.c: Include collect2.h.
736 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
738 * flow.c: Update some comments.
740 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
742 * objc/objc-act.c (cpp_initialized): Removed.
743 (lang_init_options): Initialize cpplib.
744 (lang_decode_option): Move initialization of cpplib to
746 * c-lang.c: (parse_options,parse_in): Added.
747 (lang_init_options): Initialized cpplib here.
748 * c-decl.c (parse_options,cpp_initialized): Removed.
749 (c_decode_option): Move initialization of cpplib to
752 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
754 * reload1.c (reload_combine, reload_combine_note_store):
755 Make STORE_RUID always valid.
756 (reload_combine): Check if BASE is clobbered too early.
758 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
760 * reload.c (find_reloads): Display the insn that cannot be
763 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
765 * cccp.c (create_definition): Fix end of bufer logic.
767 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
769 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
770 pointer parameters changed to use the PARAMS() macro.
772 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
774 * except.h (struct handler_info): Add handler_number field.
775 * except.c (gen_exception_label): EH labels no longer need to be
776 on the permanent obstack.
777 (get_new_handler): Set the label number field.
778 (output_exception_table_entry): Regenerate handler label reference
779 from the label number field.
780 (init_eh): Remove a blank line.
781 * integrate.c (get_label_from_map): Labels no longer need to be
782 on the permanent obstack.
784 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
786 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
787 only when OUTER_CODE is SET.
789 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
791 * loop.c (strength_reduce): If scan_start points to the loop exit
792 test, be wary of subversive use of gotos inside expression statements.
793 Don't set maybe_multiple for a backward jump that does not
794 include the label under consideration into its range.
795 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
797 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
799 * explow.c (plus_constant_wide): Don't immediately return with
800 result of recursive call.
802 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
804 * eh-common.h (struct eh_context): Add table_index for rethrows.
806 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
807 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
808 processed when inlined or unrolled (ie duplicated in some way).
810 * rtl.c (reg_note_name): Add strings for new reg_note enums.
812 * expr.h (rethrow_libfunc): New library decl.
814 * optabs.c (rethrow_libfunc): Initialize.
816 * except.h (struct eh_entry): Add new field 'rethrow_label'.
817 (new_eh_region_entry): No longer exported from except.c.
818 (duplicate_handlers): Renamed to duplicate_eh_handlers and
820 (rethrow_symbol_map, rethrow_used): New exported functions.
821 (eh_region_from_symbol): New exported function.
823 * except.c (create_rethrow_ref): New function to create a single
824 SYMBOL_REF for a rethrow region.
825 (push_eh_entry): Initialize a rethrow ref.
826 (func_eh_entry): Add a rethrow_label field.
827 (new_eh_region_entry): Make static, and initialize the rethrow entry.
828 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
829 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
830 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
831 a region into an appropriate new symbol.
832 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
833 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
834 (end_catch_handler): Emit a barrier for new-exceptions since
835 control can never drop through the end of a catch block.
836 (expand_end_all_catch): new-exceptions never fall through a catch
838 (expand_rethrow): use __rethrow routine for new exceptions.
839 (output_exception_table_entry): Generate rethrow labels, if needed.
840 (output_exception_table): Generate start and end rethrow labels.
841 (init_eh): Create rethrow symbols for beginning and end of table.
842 (scan_region): Don't eliminate EH regions which are the targets of
845 * flow.c (make_edges): Add different edges for rethrow calls,
846 identified by having the REG_EH_RETHROW reg label.
847 (delete_unreachable_blocks): Don't delete regions markers which are
848 the target of a rethrow.
850 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
851 allow save_for_inline_copying to call duplicate_eh_handlers.
852 (save_for_inline_copying): Call duplicate_eh_handlers instead of
853 exposing internal details of exception regions.
854 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
855 (expand_inline_function_eh_labelmap): New callback routine to
856 allow expand_inline_function to call duplicate_eh_handlers.
857 (expand_inline_function): Call duplicate_eh_handlers instead of
858 exposing internal details of exception regions.
859 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
862 * libgcc2.c (find_exception_handler): Generalize to enable it to
863 pick up processing where it left off last time for a rethrow.
864 (__unwinding_cleanup): New function. debug hook which is called before
865 unwinding when __throw finds there is nothing but cleanups left.
866 (throw_helper): Common parts of __throw extracted out for reuse.
867 (__throw): Common parts moved to throw_helper.
868 (__rethrow): New function for performing rethrows.
870 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
872 * reload1.c (current_function_decl): Tweak declaration.
874 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
876 * c-decl.c (flag_isoc9x): Default off.
877 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
878 * cccp.c (print_help, main): Likewise.
879 * gcc.c (default_compilers): Update for -std=gnu*.
881 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
883 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
884 * demangle.h: Deleted.
886 * reload1.c (current_function_decl): Declare.
888 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
890 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
892 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
894 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
896 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
898 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
900 * configure: Rebuilt.
901 * system.h: If the *_unlocked functions are available use them
902 instead of the locked counterparts by defining macros.
903 * config.in: Regenerated.
905 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
907 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
908 wrong and should only be used for dump related things, not
909 debugging information, instead main_input_filename should be used.
910 Also, reuse output_file_directive if possible.
911 * i386/aix386ng.h (ASM_FILE_START): Likewise.
912 * i386/isc.h (ASM_FILE_START): Likewise.
913 * i386/win-nt.h (ASM_FILE_START): Likewise.
914 * i386/sun386.h (ASM_FILE_START): Likewise.
916 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
918 * configure.in (mips*-*-linux*): Handle big and little endian
920 * configure: Rebuilt.
922 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
924 * emit-rtl.c: Fix typo.
926 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
928 * reload1.c (eliminate_regs): Don't do anything, if we're not
931 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
933 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
935 * mips/mips.c (mips_select_section): Add comment.
937 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
939 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
940 characters in file names in #line to be consistent with #include
941 handling. We support escape prcessing in the # 1 "..." version of
942 the command. See also support in cp/lex.c.
943 (handle_directive): Likewise.
946 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
948 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
949 so it'll work on non-ASCII platforms. Always consider $ an
950 identifier character. Take no arguments.
951 (cpp_reader_init): Call initialize_char_syntax with no
953 (cpp_start_read): Don't call initialize_char_syntax again.
954 Clear is_idchar['$'] and is_idstart['$'] if not
955 opts->dollars_in_ident.
957 * cpplib.h (struct cpp_reader): Replace void *data element by
958 cpp_options *opts. Rearrange elements to make gdb printout
959 less annoying (put buffer stack at end).
960 (CPP_OPTIONS): Get rid of now-unnecessary cast.
962 * cppmain.c: s/data/opts/ when initializing cpp_reader
964 * c-decl.c: Likewise.
965 * objc/objc-act.c: Likewise.
966 * fix-header.c: Likewise.
968 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
970 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
971 with a struct file_name_list pointer.
972 (struct cpp_reader): Add pointer to chain of `actual
973 directory' include searchpath entries.
974 (struct file_name_list): Add *alloc pointer for the sake of
975 the actual-directory chain.
977 Move definition of HOST_WIDE_INT here.
978 (cpp_parse_escape): Change prototype to match changes in
981 * cppfiles.c (actual_directory): New function.
982 (finclude): Use it to initialize the buffer's actual_dir
984 (find_include_file): We don't need to fix up max_include_len
987 * cpplib.c (do_include): Don't allocate a file_name_list on
988 the fly for current directory "" includes, use the one that's
989 been preallocated in pfile->buffer->actual_dir. Hoist out
990 duplicate code from the search_start selection logic.
991 (cpp_reader_init): Initialize pfile->actual_dirs.
993 Remove definition of HOST_WIDE_INT. Change calls
994 to cpp_parse_escape to match changes in cppexp.c (note
995 hardcoded MASK, which is safe since this is the source
998 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
999 to handle wide character constants in #if directives. The
1000 function now returns a HOST_WIDE_INT, and takes a third
1001 argument which is a binary mask for all legal values (0x00ff
1002 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1003 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1004 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1006 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1008 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1010 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1012 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1013 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1014 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1016 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1018 * final.c (output_asm_name): Use tabs to seperate comments from
1021 Include instruction lengths (if defined) in output.
1023 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1025 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1026 in the loop_info structure.
1028 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1030 * configure.in: (arm*-*-ecos-elf): New target.
1031 * configure: Regenerated.
1032 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1033 * config/arm/ecos-elf.h: New file.
1034 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1037 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1039 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1041 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1043 * version.c: Bump for snapshot.
1045 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1047 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1050 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1052 * version.c: Bump for snapshot.
1054 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1056 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1057 compressed reports are ok and preferred over URLs
1059 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1061 * invoke.texi (Warning Options): Soften the tone of -pedantic
1063 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1065 * print-rtl.c (print_rtx): Add prototype.
1067 * unroll.c (iteration_info): Make it static.
1069 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1071 * alias.c (memrefs_conflict_p): A second ANDed address
1072 disables the aligned address optimization.
1074 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1076 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1079 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1081 * i960.h (BOOL_TYPE_SIZE): Define.
1083 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1085 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1086 from old valid_parallel_operands_4.
1087 (valid_parallel_operands_4): Check that operands for 4 operand
1088 parallel insns are valid, excluding load/store insns.
1089 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1090 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1091 valid_parallel_load_store instead of valid_parallel_operands_4.
1092 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1093 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1094 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1095 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1096 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1097 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1098 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1100 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1102 * config/c4x/c4x.c (iteration_info): Delete extern.
1104 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1106 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1108 * final.c (cleanup_subreg_operands): Delete some unused code.
1110 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1111 (struct insn_alternative): New structure definition.
1112 (recog_op_alt): Declare variable.
1113 (preprocess_constraints): Declare function.
1114 * recog.c (recog_op_alt): New variable.
1115 (extract_insn): Verify number of alternatives is in range.
1116 (preprocess_constraints): New function.
1117 * reg-stack.c: Include recog.h.
1118 (constrain_asm_operands): Delete.
1119 (get_asm_operand_lengths): Delete.
1120 (get_asm_operand_n_inputs): New function.
1121 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1122 N_OUTPUTS args. All callers changed.
1123 Compute number of inputs and outputs here by calling
1124 get_asm_operand_n_inputs.
1125 Instead of constrain_asm_operands, call extract_insn,
1126 constrain_operands and preprocess_constaints. Use information
1127 computed by these functions throughout.
1128 (record_reg_life): Delete code that is unused due to changes in
1129 record_asm_reg_life.
1130 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1131 N_INPUTS and N_OUTPUTS args. All callers changed.
1132 Similar changes as in record_asm_reg_life.
1133 (subst_stack_regs): Move n_operands declaration into the if statement
1135 Delete code that is unused due to changes in subst_asm_stack_regs.
1136 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1138 * Makefile.in (reg-stack.o): Depend on recog.h.
1140 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1142 * except.c (set_exception_version_code): Argument is an "int".
1144 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1146 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1147 * configure: Rebuilt.
1149 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1151 * configure.in (mipsel-*-linux*): New target.
1152 * mips/linux.h: New file, based on other Linux targets.
1154 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1156 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1157 runs in the context of the deleter, not the deletee, so we must
1158 use taskVarGet to find the correct memory to free.
1159 (__gthread_key_create): Initialize the task
1160 variable subsystem so that the task variable is still active when
1161 the delete hook is run.
1163 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1165 * pdp11.h: Use optimize_size for space optimizations.
1166 * pdp11.c: Likewise.
1167 * pdp11.md: Likewise.
1169 * pdp11.h (TARGET_40_PLUS): Fix typo.
1171 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1173 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1176 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1178 * alias.c (addr_side_effect_eval): New function.
1179 (memrefs_conflict_p): Use it.
1180 * rtl.h (addr_side_effect_eval): Prototype it.
1182 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1184 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1186 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1188 * reload.c (find_reloads): When force const to memory, put result
1189 in substed_operand not *recog_operand_loc.
1191 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1193 * c-lex.c: Fix indentation from last patch.
1194 Remove trailing whitespace.
1197 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1199 * flow.c (delete_block): Call set_last_insn after we have reset
1200 NEXT_INSN (kept_tail).
1202 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1204 * mips.md (trap_if): Use "$0" for the value zero.
1206 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1207 Stephen L Moshier <moshier@world.std.com>
1208 Richard Henderson <rth@cygnus.com>
1210 * c-common.c (declare_function_name): Declare predefinied variable
1213 * c-decl.c (flag_isoc9x): Set to 1 by default.
1214 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1215 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1217 * c-parse.in: Allow constructors in ISO C 9x.
1218 Rewrite designator list handling.
1219 Allow [*] parameters.
1220 Don't warn about comma at end of enum definition for ISO C 9x.
1222 * cccp.c (c9x): New variable.
1223 (rest_extension): New variable.
1224 (print_help): Document new -std= option.
1225 (main): Recognize -std= option. Set c9x appropriately.
1226 (create_definition): Recognize ISO C 9x vararg macros.
1228 * gcc.c (default_compilers): Adjust specs for -std options.
1229 (option_map): Add --std.
1230 (display_help): Document -std.
1232 * toplev.c (documented_lang_options): Add -std and remove
1235 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1236 or REAL_VALUE_HTOF based on base of the constants.
1237 * fold-const.c (real_hex_to_f): New function. Replacement function
1238 for hex FP conversion if REAL_ARITHMETIC is not defined.
1239 * real.c (asctoeg): Add handling of hex FP constants.
1240 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1243 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1245 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1246 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1247 expansion. Use hi/lo as destination register.
1249 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1250 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1251 Avoid as macro expansion. Use hi/lo as destination register.
1253 * mips.h (MASK_CHECK_RANGE_DIV): New.
1254 (MASK_NO_CHECK_ZERO_DIV): New.
1255 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1256 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1257 return address for leaf functions out of r31 to support
1258 builtin_return_address.
1260 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1262 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1263 NEXT_INSN(x) to check insn x.
1265 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1267 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1268 last insn in the rtl chain.
1270 * reload1.c (reload): Do not set reload_completed or split insns
1272 * toplev.c (rest_of_compilation): Set reload_completed after
1273 reload returns. Split insns after reload_cse has run.
1275 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1277 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1279 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1281 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1283 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1285 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1286 use of user-label_prefix.
1288 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1290 * reload1.c (emit_reload_insns): Clear spill_reg_store
1291 when doing a new non-inherited reload from the same pseudo.
1293 * local-alloc.c (function_invariant_p): New function.
1294 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1295 to decide if an equivalence should be recorded.
1296 * reload1.c (num_eliminable_invariants): New static variable.
1297 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1298 to decide if an equivalence should be recorded.
1300 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1301 Take num_eliminable_invariants into account when deciding
1302 if register elimination should be done.
1303 (reload_as_needed): Take num_eliminable_invariants into account
1304 when deciding if register elimination should be done.
1305 (eliminate_regs): Handle non-constant reg_equiv_constant.
1306 * rtl.h (function_invariant_p): Declare.
1308 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1310 * version.c: Bump for snapshot.
1312 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1314 * version.c: Bump for snapshot.
1316 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1318 * except.c (add_new_handler): Complain about additional handlers
1319 after one that catches everything.
1321 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1323 * configure.in (alpha*-*-netbsd): Fix typo.
1324 * configure: Rebuilt.
1326 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1328 * system.h: Include libiberty.h.
1330 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1331 function `concat' from fixed parameters to variable parameters,
1332 as is done in libiberty. All callers of concat/concat3
1333 changed to use the new `concat' with variable args.
1335 * cccp.c: Remove things made redundant by libiberty.h and/or
1336 conform to libiberty standards.
1338 * collect2.c: Likewise.
1339 * config/1750a/1750a.h: Likewise.
1340 * cppalloc.c: Likewise.
1341 * cppexp.c: Likewise.
1342 * cppfiles.c: Likewise.
1343 * cpphash.c: Likewise.
1344 * cpplib.c: Likewise.
1345 * dyn-string.c: Likewise.
1346 * fix-header.c: Likewise.
1349 * genattr.c: Likewise.
1350 * genattrtab.c: Likewise.
1351 * gencheck.c: Likewise.
1352 * gencodes.c: Likewise.
1353 * genconfig.c: Likewise.
1354 * genemit.c: Likewise.
1355 * genextract.c: Likewise.
1356 * genflags.c: Likewise.
1357 * gengenrtl.c: Likewise.
1358 * genopinit.c: Likewise.
1359 * genoutput.c: Likewise.
1360 * genpeep.c: Likewise.
1361 * genrecog.c: Likewise.
1362 * getpwd.c: Likewise.
1363 * halfpic.c: Likewise.
1365 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1366 in NEED_DECLARATION_* macros.
1368 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1369 conform to libiberty standards.
1370 (fatal): Fix const-ification of variable `format' in
1371 !ANSI_PROTOTYPES case.
1373 * prefix.c: Remove things made redundant by libiberty.h and/or
1374 conform to libiberty standards.
1376 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1377 conflicting with function `spaces' from libiberty.
1379 * profile.c: Remove things made redundant by libiberty.h and/or
1380 conform to libiberty standards.
1381 * protoize.c: Likewise.
1384 * tlink.c: Likewise.
1385 * toplev.c: Likewise.
1386 * toplev.h: Likewise.
1389 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1391 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1393 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1395 * README.C4X: Updated URLs.
1396 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1397 (valid_parallel_operands_5): Remove unused variable.
1399 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1401 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1403 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1405 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1406 which can be configured.
1407 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1408 (Makefile): Pass actual LANGUAGES through the environment when
1410 (cstamp-h): Likewise.
1411 (config.status): Likewise.
1413 * configure.in (enable_languages): Add new configuration parameter
1414 "--enable-languages=lang1,lang2,...".
1415 (${srcdir}/*/config-lang.in): Change handling to configure only
1416 those directories, that the user might have enabled; default to
1417 "all" existing languages.
1418 * configure: Regenerate.
1420 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1422 * rtlanal.c (regs_set_between_p): New function.
1423 * rtl.h (regs_set_between_p): Prototype it.
1424 * jump.c (jump_optimize): Use it instead of modified_between_p
1425 in the Sep 2 change.
1427 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1428 Matthias Pfaller <leo@dachau.marco.de>
1430 * invoke.texi (Option Summary, NS32K Options): add description
1431 of NS32K specific options.
1433 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1434 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1435 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1436 negdf2, absdf2): Use l instead of f since the double class and
1437 float class are no longer the same.
1438 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1439 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1440 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1441 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1443 (cmpsi, cmphi, cmpqi): use general_operand instead of
1444 non_immediate_operand. Removes erroneous assumption that can't
1446 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1447 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1449 (movstrsi, movstrsi1, movstrsi2): completely new block move
1451 (...): Patterns to exploit multiply-add instructions.
1452 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1453 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1454 patterns to exploit extended divide insns.
1455 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1458 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1459 float return values as well as simple scalar floats.
1460 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1461 support new flag to denote 32381 fpu.
1462 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1463 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1465 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1466 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1467 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1468 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1469 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1470 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1471 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1472 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1473 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1474 fpu registers and special register classes for new 32381
1475 instructions dotf and polyf.
1476 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1478 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1479 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1481 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1482 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1483 (REGISTER_MOVE_COST): move code to register_move_cost function for
1484 ease of coding and debugging.
1485 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1486 LONG_FLOAT_REGO is likely spilled but not caught by default
1488 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1489 instead of hard coded numbers in range check.
1490 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1491 (...): Add prototypes for functions in ns32k.c but disable because
1492 of problems when ns32k.h is included in machine independant files.
1494 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1495 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1496 hard_regno_mode_ok, secondary_reload_class,
1497 print_operand, print_operand_address): new register scheme to
1498 include 32381 fpu registers and special register classes for new
1499 32381 instructions dotf and polyf.
1500 (gen_indexed_expr): Make static to keep namespace clean.
1501 (check_reg): remove since never called.
1502 (move_tail, expand_block_move): helper functions for "movstrsi"
1504 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1505 Increase cost of moves which go via memory.
1506 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1507 (CPP_PREDEFINES): nolonger predefine "unix".
1509 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1510 Remove erroneous %$. print_operand() can work out from the rtx is
1511 an immediate prefix is required.
1513 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1514 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1515 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1517 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1520 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1521 Correct handling of pic operands.
1522 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1523 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1524 -mrtd calling convention.
1526 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1528 * gcc.c (option_map): Recognize --output-class-directory.
1530 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1532 * loop.h (precondition_loop_p): Added new mode argument.
1533 * unroll.c (precondition_loop_p): Likewise.
1534 (approx_final_value): Function deleted and subsumed
1535 into loop_iterations.
1536 (loop_find_equiv_value): New function.
1537 (loop_iterations): Use loop_find_equiv_value to find increments
1538 too large to be immediate constants. Also use it to find terms
1539 common to initial and final iteration values that can be removed.
1541 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1543 * loop.h (struct loop_info): Define new structure.
1544 (precondition_loop_p): Added prototype.
1545 (unroll_loop): Added new argument loop_info to prototype.
1546 (final_biv_value, final_giv_value): Added new argument n_iterations
1548 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1549 and new pointer loop_info.
1550 (loop_n_iterations): Replace global variable by element in
1551 loop_info structure.
1552 (check_final_value): New argument n_iterations.
1553 (insert_bct): New argument loop_info.
1554 (loop_unroll_factor): Replace global array by element in
1555 loop_info structure.
1556 (loop_optimize): Remove code to allocate and initialise
1557 loop_unroll_factor_array.
1558 * unroll.c (precondition_loop_p): No longer static since
1559 used by branch on count optimization.
1560 (precondition_loop_p, unroll_loop): New argument loop_info.
1561 (final_biv_value, final_giv_value, find_splittable_regs): New
1562 argument n_iterations.
1563 (loop_iteration_var, loop_initial_value, loop_increment,
1564 loop_final_value, loop_comparison_code, loop_unroll_factor):
1565 Replaced global variables by loop_info structure.
1566 (loop_unroll_factor): Replace global array by element in
1567 loop_info structure.
1569 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1571 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1574 * unroll.c (precondition_loop_p): Return loop_initial_value
1575 for initial_value instead of loop_iteration_var.
1577 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1579 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1580 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1581 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1582 to output the instruction sequences.
1584 (rptb_top): Provide alternatives to use any register or memory
1586 (rptb_end): Emit use of operands rather than assigning them
1587 explicitly to the RS and RE registers.
1589 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1591 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1592 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1593 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1594 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1595 c4x_merge_notes, c4x_parallel_process,
1596 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1597 c4x_combine_parallel): Delete.
1599 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1601 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1602 with old target options clear flag_branch_on_count_reg if
1603 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1605 (c4x_output_cbranch): Handle a sequence of insns rather than a
1607 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1608 has not been allocated as the loop counter.
1609 (c4x_address_conflict): Do not allow two volatile memory references.
1610 (valid_parallel_operands_4, valid_parallel_operands_5,
1611 valid_parallel_operands_6): Reject pattern if the register destination
1612 of the first set is used as part of an address in the second set.
1614 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1616 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1617 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1618 is no longer enabled if PARALLEL_MPY_FLAG set.
1619 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1620 (REG_CLASS_CONTENTS): Add braces around initializers.
1621 (HAVE_MULTIPLE_PACK): Define.
1622 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1623 REAL_VALUE_TO_DECIMAL.
1624 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1625 REAL_VALUE_TO_DECIMAL.
1626 (ar0_reg_operand): Add prototype.
1627 (ar0_mem_operand): Likewise.
1628 (ar1_reg_operand): Likewise.
1629 (ar1_mem_operand): Likewise.
1630 (ar2_reg_operand): Likewise.
1631 (ar2_mem_operand): Likewise.
1632 (ar3_reg_operand): Likewise.
1633 (ar3_mem_operand): Likewise.
1634 (ar4_reg_operand): Likewise.
1635 (ar4_mem_operand): Likewise.
1636 (ar5_reg_operand): Likewise.
1637 (ar5_mem_operand): Likewise.
1638 (ar6_reg_operand): Likewise.
1639 (ar6_mem_operand): Likewise.
1640 (ar7_reg_operand): Likewise.
1641 (ar7_mem_operand): Likewise.
1642 (ir0_reg_operand): Likewise.
1643 (ir0_mem_operand): Likewise.
1644 (ir1_reg_operand): Likewise.
1645 (ir1_mem_operand): Likewise.
1646 (group1_reg_operand): Likewise.
1647 (group1_mem_operand): Likewise.
1648 (ir1_reg_operand): Likewise.
1649 (arx_reg_operand): Likewise.
1650 (not_rc_reg): Likewise.
1651 (not_modify_reg): Likewise.
1652 (c4x_group1_reg_operand): Remove prototype.
1653 (c4x_group1_mem_operand): Likewise.
1654 (c4x_arx_reg_operand): Likewise.
1656 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1658 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1659 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1661 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1663 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1666 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1668 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1669 unless FMOVD_WORKS is defined.
1671 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1673 * regclass.c (init_reg_sets): Move code that calculates tables
1674 dependent on reg_class_contents from here...
1675 (init_reg_sets_1): To here.
1677 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1679 * cpplib.h: Delete struct import_file. Add ihash element to
1680 struct cpp_buffer. Delete dont_repeat_files and
1681 import_hash_table elements from cpp_reader; change
1682 all_include_files to a hash table. Delete all foobar_include
1683 / last_foobar_include elements from struct cpp_options; put
1684 back four such: quote_include, bracket_include,
1685 system_include, after_include. Redo struct file_name_list
1686 completely. Add new structure type include_hash. Add
1687 prototypes for merge_include_chains and include_hash. Change
1688 prototypes for finclude, find_include_file, and
1689 append_include_chain to match changes below.
1691 * cppfiles.c (simplify_pathname, include_hash,
1692 remap_filename, merge_include_chains): New functions.
1693 (add_import, lookup_import, open_include_file): Removed.
1694 (INO_T_EQ): Define this (copied from cccp.c).
1695 (hack_vms_include_specification): Remove all calls and #if 0
1696 out the definition. It was being called incorrectly and at
1697 the wrong times. Until a VMSie can look at this, it's better
1698 to not pretend to support it.
1699 (append_include_chain): Change calling convention; now takes
1700 only one directory at a time, and sets up the data structure
1702 (redundant_include_p): Rewritten - this is now used for all
1703 include redundancy, whether by #ifndef, #import, or #pragma
1704 once. Looks up things in the include hash table.
1705 (file_cleanup): Decrement pfile->system_include_depth here if
1707 (find_include_file): Calling convention changed; now passes
1708 around a struct include_hash instead of 3 separate parameters.
1709 Guts ripped out and replaced with new include_hash mechanism.
1710 (finclude): Calling convention changed as for
1711 find_include_file. Error exits pulled out-of-line. Reformat.
1712 (safe_read): Return a long, not an int.
1713 (deps_output): Don't recurse.
1715 * cpplib.c (is_system_include): Deleted.
1716 (path_include): Fix up call to append_include_chain.
1717 (do_include): Fix up calls to find_include_file and finclude.
1718 Clean up dependency output a bit. Shorten obnoxiously lengthy
1719 #import warning message. Don't decrement
1720 pfile->system_include_depth here.
1721 (do_pragma): Understand the include_hash structure. Reformat.
1722 (do_endif): Correct handling of control macros. Understand
1724 (cpp_start_read): Fix up calls to finclude. Call
1725 merge_include_chains.
1726 (cpp_handle_option): Fix up calls to append_include_chain.
1727 Understand the four partial include chains.
1728 (cpp_finish): Add debugging code (#if 0-ed out) for the
1730 (cpp_cleanup): Free the include_hash, not the import hash and
1731 the all_include and dont_repeat lists which no longer exist.
1733 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1735 * toplev.c (no_new_pseudos): Define.
1736 (rest_of_compilation): Set no_new_pseudos as needed.
1737 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1738 if no_new_pseudos is set.
1739 * rtl.h (no_new_pseudos): Declare it.
1740 * reload1.c (reload): Update comments.
1741 * md.texi: Corresponding changes.
1743 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1745 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1746 (choose_reload_regs): Rename it here as well. When computing it,
1747 also merge in used hardregs.
1749 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1751 * gcc.c: Split out Objective-C specs to...
1752 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1755 * c-lex.c (init_parse): Always initialize the filename global.
1756 * objc/objc-act.c (lang_init): Always call check_newline at
1759 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1761 * reload1.c (reload): Remove unused variable.
1762 (reload_reg_free_for_value_p): Add missing parameter definition.
1764 * jump.c (jump_optimize): Remove unused variable.
1766 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1768 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1770 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1772 * expr.c (move_by_pieces): Similarly.
1773 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1774 * flow.c (find_auto_inc): Similarly.
1775 (try_pre_increment): Similarly.
1776 * loop.c (strength_reduce): Similarly.
1777 * regclass.c (auto_inc_dec_reg_p): Similarly.
1778 * regmove.c (try_auto_increment): Similarly.
1779 (fixup_match_1): Similarly.
1780 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1781 (HAVE_PRE_DECREMENT): Similarly.
1782 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1783 * Corresponding changes to all target header files.
1784 * tm.texi: Update docs for autoinc addressing modes.
1786 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1788 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1789 * configure: Rebuild.
1790 * config/elfos.h: New file.
1791 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1792 config/m68k/t-m68kelf: New file.
1794 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1796 * Makefile.in (HOST_AR): Define.
1797 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1798 (libcpp.a): Use the host tools explicitly.
1799 (STAGESTUFF): Add libcpp.a.
1801 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1803 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1804 to source and destination registers.
1806 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1808 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1809 The strategy we now use is to pre allocate the top_elt along
1810 with the EH context so that each thread has its own top_elt.
1811 This is necessary as the dynmanic cleanup chain is used on the
1812 top element of the stack and each thread MUST have its own.
1813 (eh_context_static): Likewise.
1814 (new_eh_context): Likewise.
1815 (__sjthrow): Likewise.
1817 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1819 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1820 * i386.md (prologue_get_pc): Remove unused variable.
1822 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1824 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1826 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1828 * Makefile.in (OBJS): Add graph.o
1829 (graph.o): New dependency list.
1830 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1831 * print-rtl.c (dump_for_graph): Define new variable.
1832 (print_rtx): Rewrite to allow use in graph dumping functions.
1833 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1834 finish_graph_dump_file.
1835 Define graph_dump_format.
1836 (compile_file): If graph dumping is enabled also clear these files.
1837 Finish graph dump files.
1838 (rest_of_compilation): Also dump graph information if enabled.
1839 (main): Recognize -dv to enabled VCG based graph dumping.
1840 * graph.c: New file. Graph dumping functions.
1842 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1844 * configure.in: Look for <sys/stat.h>.
1845 * system.h: Include it before substitute S_ISREG definitions.
1847 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1849 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1850 * config/mips/iris6.h: Same.
1851 * config/mips/mips.md: Same.
1852 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1853 * config/mips/mips.h: Same; also define ABI_O64.
1855 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1857 * configure.in: Use AC_PREREQ(2.12.1).
1859 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1861 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1862 * cpplib.c, gcc.c: Likewise.
1863 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1865 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1867 * local-alloc.c (local_alloc): Use malloc not alloca for
1868 reg_qty, reg_offset, ref_next_in_qty.
1870 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1872 * caller-save.c (insert_one_insn): Initialize the live_before and
1873 live_after register sets.
1877 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1878 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1879 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1880 (fp_reg_names, assembler_dialect): New variables.
1881 (print_operand_address): Handle SUBREGs.
1882 (print_operand): Added 'o' case.
1883 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1884 Name of FP registers depends on mode.
1885 (expand_block_move): Emit different code for SH4 hardware.
1886 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1887 (from_compare): Likewise.
1888 (add_constant): New argument last_value. Changed all callers.
1889 (find_barrier): Don't try HImode load for FPUL_REG.
1890 (machine_dependent_reorg): Likewise.
1891 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1892 (gen_far_branch): Emit a barrier after the new jump.
1893 (barrier_align): Don't trust instruction lengths before
1895 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1896 Use auto-inc addressing for fp registers if doubles need to
1897 be loaded in two steps.
1898 Set sh_flag_remove_dead_before_cse.
1899 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1900 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1901 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1902 Support for FIRST_XD_REG .. LAST_XD_REG.
1903 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1904 (sh_expand_epilogue): Likewise.
1905 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1906 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1907 (arith_reg_operand): FPUL_REG is OK for SH4.
1908 (fp_arith_reg_operand, fp_extended_operand) New functions.
1909 (tertiary_reload_operand, fpscr_operand): Likewise.
1910 (commutative_float_operator, noncommutative_float_operator): Likewise.
1911 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1912 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1913 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1914 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1915 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1916 (CONDITIONAL_REGISTER_USAGE): Likewise.
1917 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1918 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1919 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1920 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1921 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1922 to -1 and sh_flag_remove_dead_before_cse to 1.
1923 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1924 (assembler_dialect, fp_reg_names): Declare.
1925 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1926 Hide names of registers that are not accessible.
1927 (CACHE_LOG): Take TARGET_CACHE32 into account.
1928 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1929 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1930 (FIRST_PSEUDO_REGISTER: Now 49.
1931 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1932 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1933 (HARD_REGNO_MODE_OK): Update.
1934 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1935 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1936 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1937 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1938 (NPARM_REGS): Eight floating point parameter registers on SH4.
1939 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1940 in floating point registers.
1941 (GET_SH_ARG_CLASS) Likewise.
1942 Complex float types are also returned in float registers.
1943 (BASE_ARG_REG): Complex float types are also passes in float registers.
1944 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1945 (LIBCALL_VALUE): Remove trailing semicolon.
1946 (ROUND_REG): Round when double precision value is passed in floating
1948 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1949 passed on the stack.
1950 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1951 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1952 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1953 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1954 (MODE_DISP_OK_8): Not for SH4 DFmode.
1955 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1956 Allow indexed addressing for PSImode after reload.
1957 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1958 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1959 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1960 (DOUBLE_TYPE_SIZE): 64 for SH4.
1961 (RTX_COSTS): Add PLUS case.
1962 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1963 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1964 MAC_REGS, PR_REGS, DF_REGS.
1965 (REGISTER_NAMES): Use fp_reg_names.
1966 (enum processor_type): Add PROCESSOR_SH4.
1967 (sh_flag_remove_dead_before_cse): Declare.
1968 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1969 (PREDICATE_CODES): Add binary_float_operator,
1970 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1971 fpscr_operand, noncommutative_float_operator.
1972 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1973 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1974 * sh.md (attribute cpu): Add value sh4.
1975 (attrbutes fmovd, issues): Define.
1976 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1977 (function units memory, int, mpy, fp): Make dependent on issue rate.
1978 (function units issue, single_issue, load_si, load): Define.
1979 (function units load_store, fdiv, gp_fpul): Define.
1980 (attribute hit_stack): Provide proper default.
1981 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1982 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1983 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1984 (mulsi3_call): Now uses match_operand for function address.
1985 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1987 (push, pop, push_e, pop_e): Now define_expands.
1988 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1989 (movsi_ie): Added y/i alternative.
1990 (ic_invalidate_line_i, movdf_i4): New insns.
1991 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1992 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1993 (movdf): Add special code for SH4.
1994 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1995 (call_valuei, calli, call_value): Likewise.
1996 (movsf): Emit no-op move.
1997 (mov_nop, movsi_y): New insns.
1998 (blt, sge): generalize to handle DFmode.
1999 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2000 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2001 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2002 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2003 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2004 (toggle_sz): New insn.
2005 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2006 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2007 (macsf3): Make use of fpscr visible. Disable for SH4.
2008 (floatsisf2): Make use of fpscr visible.
2009 (floatsisf2_i4): New insn.
2010 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2011 (ieee_ccmpeqsf_t): Likewise.
2012 (fix_truncsfsi2): Emit different code for SH4.
2013 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2014 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2015 (negsf2, sqrtsf2, abssf2): Now expanders.
2016 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2017 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2018 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2019 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2020 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2021 (fix_truncdfsi2_i4_2+1): New splitters.
2022 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2023 (extendsfdf2, truncdfsf2): New expanders.
2024 (truncdfsf2_i4): New insn.
2025 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2026 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2027 * float-sh.h: When testing for __SH3E__, also test for
2028 __SH4_SINGLE_ONLY__ .
2029 * va-sh.h (__va_freg): Define to float.
2030 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2031 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2032 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2033 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2035 (TARGET_SH4_P): Define.
2038 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2039 init_expr_once is satisfied about the existence of load / store insns.
2041 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2042 change m constraint in source operand to mr / mf .
2044 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2046 * (__VA_REEF): Define.
2047 (__va_arg_sh1): Use it.
2049 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2051 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2053 * i386/dgux.c (struct option): Add new "description field".
2054 * m88k/m88k.c (struct option): Likewise.
2056 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2058 * version.c: Bump for snapshot.
2060 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2062 * regmove.c (regmove_profitable_p): Use return value of find_matches
2065 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2067 * version.c: Bump for snapshot.
2069 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2071 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2072 without reload having been called earlier.
2074 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2076 (v850_reorg): Similarly.
2078 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2080 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2082 * loop.c (move_movables): Start of libcall might be new loop start.
2084 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2086 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2088 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2090 * function.c (nonlocal_goto_handler_slots): Renamed from
2091 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2092 (push_function_context_to): Adjust for this change.
2093 (pop_function_context_from): Likewise.
2094 (init_function_start): Likewise.
2095 (expand_function_end): Likewise.
2096 * function.h (struct function): Likewise.
2097 * calls.c (expand_call): Likewise.
2098 * explow.c (allocate_dynamic_stack_space): Likewise.
2099 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2100 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2102 (expand_goto): When doing a nonlocal goto, find corresponding handler
2103 slot for it. Don't put the label address in the static chain register.
2104 (expand_end_bindings): Break out nonlocal goto handling code into
2105 three new functions.
2106 (expand_nl_handler_label, expand_nl_goto_receiver,
2107 expand_nl_goto_receivers): New static functions, broken out of
2108 expand_end_bindings and adapted to create one handler per nonlocal
2110 * function.c (delete_handlers): Delete insn if it references any of
2111 the nonlocal goto handler slots.
2112 * i960.md (nonlocal_goto): Comment out code that modifies
2114 * sparc.md (nonlocal_goto): Likewise.
2115 (goto_handler_and_restore_v9): Comment out.
2116 (goto_handler_and_restore_v9_sp64): Comment out.
2118 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2120 * expr.c (STACK_BYTES): Delete unused macro.
2121 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2122 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2123 (expand_call): Likewise.
2124 (emit_library_call): Likewise.
2125 (emit_library_call_value): Likewise.
2126 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2127 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2128 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2129 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2130 (allocate_dynamic_stack_space): Likewise.
2131 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2132 (STACK_BOUNDARY): Update description to reflect the new situation.
2134 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2136 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2137 return with a filled delay slot is followed by a return with an
2138 unfilled delay slot, delete the first return and reemit the insn
2139 that was previously in its delay slot.
2141 * i860.c (single_insn_src_p): Add missing parens.
2142 * ginclude/math-3300.h: Likewise.
2144 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2146 * regclass.c (init_reg_sets_1): Add prototype.
2147 (init_reg_modes): Likewise.
2149 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2151 * c-common.c: Change warning messages to say `comparison is
2152 always true' or `comparison is always false' instead of the
2153 confusing `is always 0', `is always 1'.
2155 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2157 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2158 break instead of return (which loses closing '>').
2160 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2162 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2163 standard 387 constants.
2165 * i386.md (jump): Explicitly set "memory" attribute.
2166 (indirect_jump, prologue_set_stack_ptr): Likewise.
2167 (prologue_get_pc_and_set_got, pop): Likewise.
2168 (allocate_stack_worder, blockage, return_internal): Likewise.
2169 (return_pop_internal, nop): Likewise.
2170 (epilogue_set_stack_ptr, leave): Likewise.
2172 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2174 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2176 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2178 * reload1.c (reload_reg_free_for_value_p):
2179 Early auto_inc reloads don't conflict with outputs.
2181 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2183 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2184 Instead call AC_HEADER_SYS_WAIT.
2186 * collect2.c: Don't provide defaults for sys/wait.h macros.
2188 * protoize.c: Likewise. Also, don't include sys/wait.h.
2190 * system.h: Include sys/wait.h and provide macro defaults.
2192 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2194 * Makefile.in (mandir): Set to @mandir@.
2195 (man1dir): New variable to hold the former value of $(mandir).
2196 Replace all uses of $(mandir) by $(man1dir).
2198 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2200 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2201 a new one before passing it to force_const_mem.
2203 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2204 find_reloads_address call.
2206 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2208 * expr.c (store_expr): Don't generate load-store pair
2209 if TEMP is identical (according to ==) with TARGET.
2211 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2213 * reload1.c (reload_reg_free_for_value_p): When considered reload
2214 has an output, matching inputs are not sufficient to avoid conflict.
2216 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2218 * hash.h (hash_table_key): New type.
2219 (hash_entry): Change `string' field to generic `key'.
2220 (hash_table): Add `comp' and `hash' functions.
2221 (hash_table_init): Take them as input.
2222 (hash_table_init_n): Likewise.
2223 (hash_lookup): Modify for generic keys.
2224 (hash_newfunc): Likewise.
2225 (hash_traverse): Likewise.
2226 (string_hash): New function.
2227 (string_compare): Likewise.
2228 (string_copy): Likewise.
2229 * hash.c (hash_table_init_n): Modify for generic keys.
2230 (hash_table_init): Likewise.
2231 (hash_lookup): Likewise.
2232 (hash_newfunc): Likewise.
2233 (hash_traverse): Likewise.
2234 (string_hash): Split out from hash_lookup.
2235 (string_compare): New function.
2236 (string_copy): Split out from hash_lookup.
2237 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2239 (symbol_hash_lookup): Likewise.
2240 (file_hash_newfunc): Likewise.
2241 (file_hash_lookup): Likewise.
2242 (demangled_hash_newfunc): Likewise.
2243 (demangled_hash_lookup): Likewise.
2244 (tlink_int): Likewise.
2245 (read_repo_file): Likewise.
2246 (recompile_files): Likewise.
2247 (demangle_new_symbols): Likewise.
2248 (scan_linker_output): Likewise.
2250 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2252 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2254 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2256 * rs6000.c (output_mi_thunk): Improve test for local branch.
2258 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2260 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2262 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2264 * reload1.c (reload_reg_free_before_p): Delete.
2265 Changed all callers to use reload_reg_free_for_value_p instead.
2266 (reload_reg_free_for_value_p): Handle more reload types.
2267 A RELOAD_FOR_INPUT doesn't conflict with its
2268 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2269 Add special case for OUT == const0_rtx.
2270 Added ignore_address_reloads argument. Changed all callers.
2272 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2274 * toplev.c (compile_file): Don't pedwarn about undefined static
2275 functions just because we passed -Wunused.
2277 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2279 * function.c (purge_addressof_1): Unshare rtl created by
2282 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2284 * regmove.c (regmove_optimize): Don't do anything but
2285 optimize_reg_copy[123] when flag_regmove is not set.
2287 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2289 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2290 value in paradoxical SImode result, rather than truncating midpoint.
2292 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2294 * alpha.c (reg_not_elim_operand): New.
2295 * alpha.h (PREDICATE_CODES): Add it.
2296 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2297 for the multiplicand.
2299 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2301 * rs6000.md (movsf): Remove explicit secondary-reload-like
2302 functionality. Only truncate SFmode store if in FPR.
2303 (movsf splitters): Combine const_double splitters.
2304 (movsf_hardfloat): Add GPR support.
2306 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2308 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2309 deprecate -mlive-g0 and -mbroken-saverestore.
2310 * t-splet (MULTILIB_OPTIONS): Likewise.
2312 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2313 in a leaf function. Clarify total_size/extra_size relationship.
2315 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2317 * i386/cygwin32.asm: Delete.
2318 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2319 * i386/cygwin32.h: Delete.
2320 * i386/cygwin.h: New file, renamed from cygwin32.h.
2321 * i386/t-cygwin32: Delete.
2322 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2323 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2324 * i386/x-cygwin32: Delete.
2325 * i386/x-cygwin: New file, renamed from x-cygwin32.
2326 * i386/xm-cygwin32: Delete.
2327 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2328 renamed cygwin_ funcs for path translations.
2329 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2330 * i386/winnt.c: Remove "32" from comment about cygwin.
2331 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2332 * rs6000/cygwin32.h: Delete.
2333 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2334 -D__CYGWIN__ to CPP_PREDEFINES.
2335 * rs6000/x-cygwin32: Delete.
2336 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2337 * rs6000/xm-cygwin32: Delete.
2338 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2340 * configure.in: Check for cygwin* instead of cygwin32. Account
2341 for the rename of cygwin-related config files to lose the "32"s.
2342 * configure: Regenerate.
2344 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2345 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2347 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2349 * Makefile.in (JAVAGC): New macro.
2350 * configure: Rebuilt.
2351 * configure.in: Recognize --enable-java-gc argument. Subst
2354 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2356 Handle equivalences that have been obscured by gcse:
2358 * reload1.c (reload): Handle equivalences set up in multiple places.
2359 * local-alloc.c (reg_equiv_init_insns): New variable.
2360 (no_equiv): New function.
2361 (update_equiv_regs): Handle equivalences set up in multiple places.
2362 Don't ignore an insn just because its destination is likely to be
2365 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2367 * except.c (expand_eh_return): Readd force_operand call lost in
2370 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2372 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2374 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2376 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2378 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2380 * regmove.c (regmove_optimize): Fix error in last change.
2382 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2384 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2385 offset in the .mask pseudo to compensate for frame pointer adjustments.
2386 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2387 word swap arguments moved to/from FP registers.
2388 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2390 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2392 * version.c: Bump for snapshot.
2394 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2396 * version.c: Bump for snapshot.
2398 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2400 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2401 times, then it can not be completely replaced.
2403 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2405 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2407 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2409 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2410 (to distinguish it from the macro wrapping ansidecl.h.)
2411 Include libiberty's ansidecl.h. Remove all redundant definitions.
2412 Define the PROTO() style macros in terms of the PARAMS() ones.
2415 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2416 __STDC__, when deciding whether to use ANSI variable args.
2417 (emit_library_call_value): Likewise.
2419 * cccp.c (error): Likewise.
2420 (warning): Likewise.
2421 (error_with_line): Likewise.
2422 (warning_with_line): Likewise.
2423 (pedwarn): Likewise.
2424 (pedwarn_with_line): Likewise.
2425 (pedwarn_with_file_and_line): Likewise.
2428 * cexp.y (error): Likewise.
2429 (pedwarn): Likewise.
2430 (warning): Likewise.
2432 * collect2.c (fatal_perror): Likewise.
2436 * combine.c (gen_rtx_combine): Likewise.
2438 * cpperror.c (cpp_message): Likewise.
2439 (cpp_fatal): Likewise.
2441 * cpplib.c (cpp_error): Likewise.
2442 (cpp_warning): Likewise.
2443 (cpp_pedwarn): Likewise.
2444 (cpp_error_with_line): Likewise.
2445 (cpp_warning_with_line): Likewise.
2446 (cpp_pedwarn_with_line): Likewise.
2447 (cpp_pedwarn_with_file_and_line): Likewise.
2449 * cpplib.h: Don't define PARAMS() macro.
2451 * demangle.h: Likewise.
2453 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2454 when deciding whether to use ANSI variable args.
2456 * emit-rtl.c (gen_rtx): Likewise.
2457 (gen_rtvec): Likewise.
2459 * final.c (asm_fprintf): Likewise.
2461 * fix-header.c (cpp_message): Likewise.
2463 (cpp_fatal): Likewise.
2465 * gcc.c (concat): Likewise.
2469 * genattr.c (fatal): Likewise.
2471 * genattrtab.c (attr_rtx): Likewise.
2472 (attr_printf): Likewise.
2475 * gencodes.c (fatal): Likewise.
2477 * genconfig.c (fatal): Likewise.
2479 * genemit.c (fatal): Likewise.
2481 * genextract.c (fatal): Likewise.
2483 * genflags.c (fatal): Likewise.
2485 * genopinit.c (fatal): Likewise.
2487 * genoutput.c (fatal): Likewise.
2490 * genpeep.c (fatal): Likewise.
2492 * genrecog.c (fatal): Likewise.
2494 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2495 deciding whether to declare `tree_node' and `rtx_def'.
2497 * hash.h: Don't define stuff we get from gansidecl.h.
2499 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2500 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2501 whether to use ANSI variable args.
2504 * prefix.c (concat): Likewise.
2508 * system.h: Likewise.
2510 * toplev.c (error_with_file_and_line): Likewise.
2511 (error_with_decl): Likewise.
2512 (error_for_asm): Likewise.
2515 (warning_with_file_and_line): Likewise.
2516 (warning_with_decl): Likewise.
2517 (warning_for_asm): Likewise.
2518 (warning): Likewise.
2519 (pedwarn): Likewise.
2520 (pedwarn_with_decl): Likewise.
2521 (pedwarn_with_file_and_line): Likewise.
2523 (really_sorry): Likewise.
2525 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2526 whether to declare `tree_node' and `rtx_def'.
2528 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2529 deciding whether to use ANSI variable args.
2530 (build_nt): Likewise.
2531 (build_parse_node): Likewise.
2533 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2535 * version.c: Bump for snapshot.
2537 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2539 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2541 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2543 * collect2.c (main, case 'b'): Use else if.
2545 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2547 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2548 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2549 before the config/ directory headers.
2550 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2551 gansidecl.h in the list of dependencies.
2553 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2554 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2555 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2556 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2557 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2558 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2561 * cccp.c: Don't include gansidecl.h.
2563 * collect2.c: Likewise.
2564 * config/c4x/c4x.c: Likewise.
2565 * config/v850/v850.h: Likewise.
2566 * cppalloc.c: Likewise.
2567 * cpperror.c: Likewise.
2568 * cppexp.c: Likewise.
2569 * cppfiles.c: Likewise.
2570 * cpphash.c: Likewise.
2571 * cpplib.c: Likewise.
2572 * cppmain.c: Likewise.
2573 * cppulp.c: Likewise.
2574 * demangle.h: Likewise.
2575 * doprint.c: Likewise.
2576 * dyn-string.c: Likewise.
2577 * eh-common.h: Likewise.
2578 * fix-header.c: Likewise.
2579 * frame.c: Likewise.
2582 * gen-protos.c: Likewise.
2583 * gencheck.c: Likewise.
2584 * halfpic.h: Likewise.
2586 * machmode.h: Likewise.
2587 * mbchar.c: Likewise.
2588 * prefix.c: Likewise.
2589 * protoize.c: Likewise.
2590 * recog.h: Likewise.
2592 * scan-decls.c: Likewise.
2594 * varray.h: Likewise.
2596 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2598 * i386.md (call_value_pop): If we're not popping anything,
2599 defer to call_value.
2600 (call_pop): Likewise defer to call.
2602 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2604 * function.c (purge_addressof): Clear purge_addressof_replacements
2605 only after processing the whole function.
2607 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2609 * reload1.c (reload): If we can not perform a particular elimination
2610 when we thought we could earlier, then we must always iterate through
2611 the loop at least one more time.
2613 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2615 * alpha.c (add_operand): Simplify the CONST_INT match.
2616 (sext_add_operand): Correct typo in comparison by using
2617 CONST_OK_FOR_LETTER_P.
2618 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2619 constant alternatives to be generated.
2620 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2621 small constants, since the hw instructions do.
2623 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2625 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2626 previous insn to store directly into our reload register, make sure
2627 that if the source of the previous insn is a reload register, its
2628 spill_reg_store and spill_reg_stored_to values are cleared.
2630 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2632 * rs6000.md (floatunssidf2_internal splitter): Use base register
2633 operand, not hard-coded SP.
2635 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2637 * jump.c (calculate_can_reach_end): Fix thinko.
2639 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2641 * reorg.c (fill_simple_delay_slots): Fix typo.
2643 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2645 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2647 * i386.md (extendsidi2): Use # in the output template.
2648 (extendsidi splitters): New splitters.
2650 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2652 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2654 * configure: Regenerate.
2656 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2658 * jump.c (init_label_info, delete_barrier_successors,
2659 mark_all_labels, delete_unreferenced_labels,
2660 delete_noop_moves, calculate_can_reach_end): New functions broken
2661 out of jump_optimize.
2662 (jump_optimize): Use them.
2664 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2666 * except.c (expand_fixup_region_end): Make sure outer context labels
2667 are not issued in an inner context during cleanups.
2669 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2671 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2674 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2676 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2677 to expose this midpoint to CSE.
2679 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2681 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2683 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2685 * configure.in: Bring over gcc2 change of Nov 19 1997.
2687 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2689 * toplev.c (output_lang_identify): Make definition dependent on
2690 ASM_IDENTIFY_LANGUAGE.
2692 * print-rtl.c (spaces): Make static.
2694 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2696 * extend.texi: Clarify proper uses for register clobbers in asms.
2698 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2700 * recog.h (enum op_type): Define.
2701 (constrain_operands): Adjust prototype.
2702 (recog_op_type): Declare new variable.
2703 * recog.c (recog_op_type): New variable.
2704 (insn_invalid_p): Allow modifying an asm statement after reload.
2705 (extract_insn): Set up recog_op_type.
2706 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2707 Don't compute operand types, use recog_op_type.
2708 Use the information computed by extract_insn instead of the previous
2709 method of finding it by insn code number.
2710 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2711 * reorg.c (fill_slots_from_thread): Likewise.
2712 * reload1.c (reload_as_needed): Likewise.
2713 (gen_reload): Likewise.
2714 (inc_for_reload): Likewise.
2715 (reload_cse_simplify_operands): Likewise.
2716 Use the information computed by extract_insn instead of the previous
2717 method of finding it by insn code number.
2718 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2720 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2721 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2722 Use the information computed by extract_insn instead of the previous
2723 method of finding it by insn code number.
2724 * regmove.c (find_matches): Likewise. Change meaning of the return
2725 value to be nonzero if the optimization can be performed, zero if
2726 not. All callers changed.
2727 Shorten some variable names to fix formatting problems.
2728 (regmove_optimize): Shorten some variable names to fix formatting
2730 Use the information computed by extract_insn instead of the previous
2731 method of finding it by insn code number.
2732 * regclass.c (scan_one_insn): Likewise.
2733 (record_reg_classes): Don't compute operand types, use recog_op_type.
2734 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2735 recog_constraints instead.
2737 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2739 * rtl.h (flow2_completed): Declare.
2740 * flow.c (flow2_completed): Definition.
2741 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2744 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2746 * Makefile.in (libcpp.a): Ranlib libcpp.a
2748 * cppulp.c (user_label_prefix): Initialize.
2750 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2752 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2753 at a RETURN if current_function_sp_is_unchanging is set.
2755 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2757 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2759 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2761 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2762 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2763 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2764 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2765 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2766 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2768 (LIB_SPEC): Handle -mno-cyginw option.
2769 (LINK_SPEC): Handle -mdll.
2771 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2773 * reload.c (find_reloads): Fix test for usage by other reload
2774 to handle secondary reloads properly.
2776 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2778 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2779 intermediate structure which has exactly the members provided by
2780 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2781 static intermediate structure.
2783 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2784 from the intermediate structure. Do the same analogous fix in
2785 the case where ELIMINABLE_REGS is not defined.
2787 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2789 * pa.h (SELECT_SECTION): Fix thinko.
2791 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2793 * dwarf2out.c (output_call_frame_info): Comments on last change.
2795 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2797 * arm.c (add_constant): When taking the address of an item in the
2798 pool, get the mode of the item addressed.
2800 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2801 contain a SET or a PARALLEL, don't consider it for conditional
2804 Restore ABI compatibility for NetBSD.
2805 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2807 (RETURN_IN_MEMORY): Likewise.
2809 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2811 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2812 (m32r_output_block_move): Rewrite bytes < 4 handling.
2814 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2816 * configure.in: Call AC_FUNC_VFORK.
2818 * collect2.c: Define VFORK_STRING as a printable string for
2819 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2820 defined, include vfork.h. If VMS is defined, define vfork()
2821 appropriately. Remove vfork check on USG, we're using autoconf.
2822 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2823 checking locally what string to pass.
2824 (scan_prog_file): Likewise.
2825 (scan_libraries): Likewise.
2827 * gcc.c: Remove vfork check on USG, we're using autoconf.
2828 Besides, no calls to vfork/fork occur in this file.
2830 * protoize.c: Likewise.
2832 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2834 * configure.in (DEFAULT_LINKER): renamed from LD
2835 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2836 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2837 * configure: rebuilt
2839 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2841 * BUGS: fix the regexp for `more' to find the appropriate node.
2842 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2844 * BUGS: added link to the WWW FAQ
2846 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2848 * version.c: Bump for snapshot.
2850 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2852 * From Christian Gafton:
2853 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2854 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2855 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2857 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2859 * c-common.c (c_get_alias_set): Allow all type-punning through
2860 unions. Don't get confused about the type of a bit-field, despite
2861 the antics of build_modify_expr.
2863 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2865 * fixinc.sco: Paramaterize #include_next values.
2866 * fixinc/fixinc.sco: Likewise.
2868 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2870 * toplev.c (rest_of_compilation): No longer set reload_completed.
2871 * reload1.c (reload): Set it here. Perform instruction splitting
2872 after reload has completed if we will be running the scheduler
2875 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2877 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2878 EH region if exceptions are enabled and we're performing cross
2880 (find_cross_jump): Exit loop if the insns are in different EH regions.
2882 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2884 * dwarf2out.c (output_call_frame_info): Use
2885 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2887 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2889 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2890 * c-common.c (check_format_info): Don't check for the 'x'
2891 format character twice, instead check for 'x' and 'X'
2893 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2895 * configure.in (assembler features): Also make gas is configured if
2896 we find it in the souce tree.
2898 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2900 * i386.c (i386_comp_type_attributes): Compare whether the
2901 attributes are defined, not their tree nodes.
2903 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2905 * configure.in (gxx_include_dir): bitten by autoconf quoting
2907 * configure: rebuilt
2909 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2911 * configure.in: Ignore non-absolute value in $AS.
2913 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2915 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2917 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2919 * configure.in (msdosdjgpp): Set exeext and target_alias.
2921 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2923 * flow.c (XNMALLOC): New macro.
2924 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2926 (add_edge, add_edge_to_label): New static functions.
2927 (free_bb_memory): New function.
2928 (flow_delete_insn): Delete function.
2929 (basic_block_drops_in): Delete variable.
2930 (find_basic_blocks): Allocate and initialize basic_block_head,
2931 basic_block_succ. Don't allocate basic_block_drops_in.
2932 Call free_bb_memory at the beginning.
2933 (find_basic_blocks_1): Don't do multiple passes.
2934 Delete code to compute basic_block_drops_in.
2935 After calling make_edges, mark blocks reached by current block live.
2936 Update test for unreachable live blocks.
2937 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2939 Simplify to call add_edge_to_label when a LABEL_REF is found.
2940 (make_edges): Simplify to call add_edge_to_label instead of
2941 mark_label_ref most of the time.
2942 Compute here whether control drops into the next block.
2943 (delete_unreachable_blocks): Return void. All callers changed.
2944 Delete unreachable blocks in reverse order.
2945 After deleting all unreachable blocks, renumber the remaining ones
2946 and update n_basic_blocks.
2947 (delete_block): Speed up deletion a bit.
2948 Don't set basic_block_drops_in for deleted blocks.
2949 (free_basic_block_vars): Don't free basic_block_drops_in.
2950 (life_analysis_1): Update to use new edge representation.
2951 (dump_flow_info): Delete code to print basic block info; call
2952 dump_bb_data instead.
2953 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2954 and uid_block_number.
2955 Simply copy the previously computed cfg.
2956 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2957 Print register lifetime information if LIVE_INFO is nonzero.
2958 * basic-block.h (dump_bb_data): Adjust prototype.
2959 * gcse.c (gcse_main): Update call to dump_bb_data.
2960 * rtl.h (free_bb_memory): Declare.
2961 * toplev.c (rest_of_compilation): Call free_bb_memory.
2963 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2964 (update_eliminable_offsets): Don't compute it.
2965 (set_initial_elim_offsets): Don't initialize it.
2966 Break out some code into set_initial_label_offsets so the rest of
2967 this function can be called from reload_as_needed.
2968 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2969 ELIMINABLE_REGS isn't.
2970 (set_initial_label_offsets): New function, broken out of
2971 set_initial_elim_offsets.
2972 (set_offsets_for_label): New function, broken out of set_label_offsets
2973 and reload_as_needed.
2974 (reload): Call the two new functions.
2975 (reload_as_needed): Call set_initial_elim_offsets instead of
2976 duplicating the code. Likewise for set_offsets_for_label.
2978 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2979 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2980 any hard reg, reg_reloaded_dead contains valid data.
2982 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2984 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2985 "stdcall" and "cdecl" attributes.
2987 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2989 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2990 handle deleted no-op moves of hard registers.
2991 * haifa-sched.c (update_flow_info): Likewise.
2993 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2995 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2996 of the sequences to reload the HILO register which do not actually
2999 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3001 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3003 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3005 * except.c (emit_eh_context): Make the EH context register stay alive
3006 at -O0 so stupid.c doesn't get confused.
3008 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3010 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3012 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3013 Jeffrey A Law (law@cygnus.com)
3015 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3016 (zero_extendsidi2): Use # in output template and handle completely by
3018 (zero_extend splitters): New define_splits.
3019 (ashiftrt_32): New pattern.
3021 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3023 * tree.c (append_random_chars): New fn.
3024 (get_file_function_name_long): Use it.
3026 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3028 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3029 (LIBCPP_OBJS): New. Add cppulp.o.
3030 (cppmain, fix-header): Depend on and use libcpp.a.
3031 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3032 of the individual object files.
3033 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3036 * cccp.c (user_label_prefix): New.
3037 (main): Set it off -f*leading-underscore.
3038 (special_symbol): Use it.
3039 * cpplib.c (special_symbol): Likewise.
3040 (cpp_handle_option): Handle -f*leading-underscore.
3041 * cppulp.c: New file.
3043 * output.h (user_label_prefix): Declare it.
3044 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3045 * toplev.c (f_options, main): Handle -f*leading-underscore.
3047 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3048 referencing USER_LABEL_PREFIX directly.
3049 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3050 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3051 * final.c (asm_fprintf): Use user_label_prefix instead.
3052 * arm/thumb.c (thumb_print_operand): Likewise.
3054 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3055 cpp wherever appropriate.
3057 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3059 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3060 specific compiler switches.
3062 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3064 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3067 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3069 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3070 structure which has exactly the members provided by EXTRA_SPECS.
3071 Xmalloc() the real `extra_specs', and initialize it from this
3072 intermediate structure.
3074 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3076 * mips.h (EXTRA_SPECS): Likewise.
3078 * sparc.h (EXTRA_SPECS): Likewise.
3080 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3082 * function.c (purge_addressof_1): Instead of aborting when a
3083 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3084 work just put the ADDRESSOF on stack. Otherwise remember all such
3085 successfull replacements, so that exactly the same replacements
3086 can be made on the REG_NOTEs. Remove the special case for CALL
3088 (purge_addressof_replacements): New variable.
3089 (purge_addressof): Clear it at end.
3091 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3093 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3094 (lang_init): Call check_newline always.
3095 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3096 cpp_start_read, set yy_cur and yy_lim to read from
3097 parse_in.token_buffer, so that we'll see the first #line
3099 * cpplib.c (cpp_start_read): finclude the main input file
3100 before processing -include/-imacros. Process -imacros and
3101 -include separately, and handle -include by stacking a
3102 buffer for the file in question as if it'd been #included.
3103 * toplev.c (documented_lang_options) Recognize -H when
3106 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3108 * cpplib.c: Merge do_once into do_pragma. Break file handling
3109 code out of do_include.
3110 Move append_include_chain, deps_output,
3111 file_cleanup, redundant_include_p, import_hash,
3112 lookup_import, add_import, read_filename_string, read_name_map,
3113 open_include_file, finclude, safe_read to cppfiles.c.
3114 Move prototypes for deps_output, append_include_chain,
3115 finclude to cpplib.h. Move definition of struct
3116 file_name_list there also.
3118 * cppfiles.c: New file. Contains all the above functions
3119 broken out of cpplib.c; also hack_vms_include_specification
3120 from cccp.c and find_include_file, a new function broken out of
3123 * Makefile.in (cppmain): Depend on cppfiles.o.
3124 (fix-header): Likewise.
3125 (cppfiles.o): New target.
3126 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3127 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3129 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3131 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3132 if pending_types is non-zero.
3133 (dwarfout_finish): Verify pending_types is zero before finishing.
3135 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3137 * expr.c (convert_move): Use shifts to perform the move if a
3138 suitable extend pattern cannot be found. Code written by
3139 Richard Henderson <rth@cygnus.com>.
3141 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3143 * regclass.c (renumber, regno_allocated): New static variables, moved
3144 out of allocate_reg_info.
3145 (allocate_reg_info): Move these two variables outside the function.
3146 Move code to free memory into new function free_reg_info.
3147 (free_reg_info): New function, broken out of allocate_reg_info.
3148 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3149 * rtl.h (allocate_reg_info): Don't declare.
3150 (free_reg_info): Declare.
3152 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3154 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3156 * toplev.c (compile_file): Temporarily revert last change.
3158 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3160 * c-typeck.c (convert_for_assignment): Parenthesize.
3162 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3164 * reload1.c (delete_output_reload): Avoid ambigous else.
3166 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3168 * toplev.c (compile_file): Call allocate_reg_info to free register
3170 * rtl.h (allocate_reg_info): Declare.
3172 * PROJECTS: Remove entry for local spilling.
3174 * final.c (cleanup_subreg_operands): New function.
3175 (final_scan_insn): Use it.
3176 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3178 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3179 operands when reload has finished.
3180 * reload.h (cleanup_subreg_operands): Declare..
3181 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3182 reload. Handled in reload itself.
3184 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3186 * reload1.c (verify_initial_offsets): New function.
3187 (reload): Call it after reload_as_needed. Also verify that the frame
3188 size stays constant during reload_as_needed.
3189 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3191 * reload.h (struct insn_chain): Add need_operand_change element.
3192 * reload1.c (new_insn_chain): Clear it.
3193 (calculate_needs_all_insns): Set it; don't overload need_reload.
3194 (reload_as_needed): Use it.
3196 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3197 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3198 and reload_address_index_reg_class.
3199 (find_reloads_address_1): Likewise.
3200 * reload.h (reload_address_base_reg_class,
3201 reload_address_index_reg_class): Don't declare.
3202 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3203 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3204 (used_spill_regs): Now static.
3205 (reload_address_base_reg_class, reload_address_index_reg_class,
3206 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3207 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3208 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3211 (init_reload): Delete code to compute base/index reg classes.
3212 (reload): Delete variable J.
3213 Delete code to manage basic_block_needs.
3214 Don't compute regs_explicitly_used.
3215 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3216 pseudo_previous_regs.
3217 Initialize bad_spill_regs_global.
3218 Don't call order_regs_for_reload here.
3219 Don't initialize spill_reg_order and n_spills.
3220 Don't forbid explicitly used regs to be used for spill regs.
3221 Change main loop to infinite loop, with explicit break statements.
3222 Make SOMETHING_CHANGED variable local to that loop.
3223 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3224 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3225 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3227 Don't call dump_needs.
3228 Delete code to reset potential_reload_regs.
3229 Delete code to terminate loop conditional on the global needs variables
3230 showing no further needs.
3231 (calculate_needs_all_insns): Return void. All callers changed.
3232 Initialize somehing_needs_elimination here, not in reload.
3233 Delete avoid_return_reg kludge.
3234 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3235 All callers changed.
3236 Initialize the group_mode and group_size elements of the arg CHAIN.
3237 Delete code to manage basic_block_needs.
3238 Operate on elements of CHAIN instead of global variables.
3239 Delete avoid_return_reg kludge.
3240 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3241 All callers changed.
3242 Operate on elements of CHAIN instead of global variables.
3243 Delete special SMALL_REGISTER_CLASSES code.
3244 Delete spill_failure code; now in new_spill_reg.
3245 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3246 All callers changed.
3247 Operate on elements of CHAIN instead of global variables.
3248 (maybe_mark_pseudo_spilled): New static function.
3249 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3250 All callers changed.
3251 Operate on elements of CHAIN instead of global variables.
3252 Call order_regs_for_reload here, not in reload.
3253 Initialize spill_reg_order and n_spills.
3254 Simplify test whether an asm insn is involved.
3255 Delete spill_failure code; now in new_spill_reg.
3256 Call maybe_mark_pseudo_spilled for everything marked as live in
3257 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3259 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3260 compiler from optimizing this function (now unused) away.
3261 Operate on elements of CHAIN instead of global variables.
3262 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3264 Operate on elements of CHAIN instead of global variables.
3265 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3266 take CHAIN arg. All callers changed.
3267 Operate on elements of CHAIN instead of global variables.
3268 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3269 CHAIN, NONGROUP args. Return void. All callers changed.
3270 Verify caller isn't trying to spill a pseudo.
3271 Simplify test for illegal reg, just use bad_spill_regs.
3272 Generate better error messages.
3273 Operate on elements of CHAIN instead of global variables.
3274 Mark spilled register in CHAIN's used_spill_regs element.
3275 Don't call spill_hard_reg.
3276 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3277 Mark spilled hard regs in bad_spill_regs_global.
3278 Mark affected pseudos in spilled_pseudos, but don't spill them.
3279 (ior_hard_reg_set): New static function.
3280 (finish_spills): Return int. All callers changed.
3281 Compute spill_reg_order, n_spills and spill_regs here. Also update
3282 regs_ever_live for regs used as spills.
3283 For every pseudo in spilled_pseudos, spill it and mark the previous
3284 hard reg it had in pseudo_previous_regs. Compute which hard regs
3285 arseudo): New static function.
3286 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3287 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3288 hard registers explicitly used across the current insn into the set.
3289 Compute hard_reg_n_uses taking only pseudos live across this insn
3291 Tweak sorting of potential_reload_regs.
3292 (compare_spill_regs): Delete function.
3293 (reload_as_needed): Don't sort the spill_regs array, it's computed
3294 in proper order in finish_spills.
3295 Delete avoid_return_reg kludge.
3296 Delete code to manage basic_block_needs.
3297 (allocate_reload_reg): Minor speed/readability tweaks.
3298 Operate on elements of CHAIN instead of global variables.
3299 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3300 Delete avoid_return_reg kludge.
3301 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3302 Delete unused label FAIL.
3303 (reload_combine): Replce reload_address_index_reg_class with
3305 Don't use used_spill_regs to determine information about lifetime of
3308 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3310 * toplev.c (display_help): Ignore empty target specific
3311 options, and if -W is also specified on the command line then
3312 display undocumented options.
3314 * config/arm/arm.c: Updated with changes in devo sources.
3315 * config/arm/arm.h: Updated with changes in devo sources.
3316 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3317 * config/arm/lib1thumb.asm: Add ELF support.
3319 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3321 * collect2.c (aix64_flag): New variable.
3322 (main, case 'b'): Parse it.
3323 (GCC_CHECK_HDR): object magic number must match mode.
3324 (scan_prog_file): Only check for shared object if valid header.
3325 Print debugging if header/mode mismatch.
3327 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3329 Added support for arm-elf-linux configuration, submitted by Philip
3330 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3331 code developed by Catherine Moore <clm@cygnus.com>. The following
3334 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3337 * configure: Regenerated.
3339 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3340 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3341 definitions conditional on their not having been already defined.
3343 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3344 and .type directives, and add "(PLT)" qualification to function
3347 * config/arm/linux.h: Deleted. This file is now superceeded by
3348 either linux-elf.h or linux-aout.h.
3350 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3351 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3353 Move definitions from old linux.h file here.
3355 * config/arm/elf.h: New file. Generic ARM/ELF support.
3357 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3359 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3361 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3362 using the 26bit APCS.
3364 * config/arm/unknown-elf.h: New file. Support for OS'es other
3365 than Linux with ELF.
3367 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3370 * config/arm/coff.h: Include aout.h for basic assembler macros.
3371 Add support for -mstructure_size_boundary=<n> command line option.
3373 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3374 command line option. Make macro definitions conditional on their
3375 not having been already defined.
3377 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3378 command line option.
3381 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3383 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3384 has been changed to not include a newline. Use this macro instead.
3385 (output_enumeral_list, const_value_attribute, name_attribute,
3386 comp_dir_attribute, prototyped_attribute, producer_attribute,
3387 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3388 dwarfout_file_scope_decl, generate_new_sfname_entry,
3389 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3390 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3392 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3394 * combine.c (subst): Process the inputs to a parallel asm_operands
3397 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3399 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3401 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3403 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3405 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3407 * version.c: Bump for snapshot.
3409 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3411 * stmt.c (expand_fixup): Set fixup->before_jump to a
3412 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3414 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3416 * Makefile.in (recog.o): Depend on toplev.h.
3417 (insn-emit.o): Depend on recog.h.
3418 (insn-peep.o): Depend on recog.h and insn-config.h.
3420 * combine.c (simplify_set): Remove unused variable `scratches'.
3422 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3423 and `idx' in macro conditional controlling their use.
3425 * genemit.c (main): Make the generated output file include
3426 recog.h. Don't have it declare `insn_operand_constraint', since
3427 we get it from recog.h.
3429 * genpeep.c (main): Make the generated output file include
3430 insn-config.h and recog.h.
3432 * recog.c: Include toplev.h.
3433 (extract_insn): Remove unused variable `p'.
3435 * regclass.c (fix_register): Add missing braces around initializer
3437 (allocate_reg_info): Move variable `i' into the scope where it is
3438 used. Change its type to `size_t'.
3440 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3442 * reload.c (push_reload): When merging reloads, make sure
3443 that reload_in_reg and reload_in are from the same reload in
3446 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3448 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3449 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3451 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3453 * loop.c (loop_has_tablejump): New variable.
3454 (prescan_loop): Scan for it.
3455 (insert_bct): Replace explicit scan with use of it.
3456 * regclass.c (regclass): Restore loop variable j.
3457 (record_reg_classes): Deterine op_types modifiers and initialize
3458 classes[i] before matching constraints. Handle matching
3461 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3463 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3466 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3468 * mips.h (EXTRA_SPECS): Add missing initializers.
3470 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3472 * sparc.h (EXTRA_SPECS): Add missing initializers.
3473 (sparc_defer_case_vector): Provide a prototype.
3475 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3476 comparing it to the result of a pointer subtraction.
3478 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3480 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3481 the argument to (unsigned char).
3483 * alpha.h (EXTRA_SPECS): Add missing initializers.
3484 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3487 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3489 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3490 (propagate_block): Delete dead code after reload.
3492 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3493 back Oct 15, 1998 change.
3494 * haifa-sched.c (update_flow_info): Likewise.
3495 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3497 * mn10200.md (truncated shift): Accept constant inputs too.
3499 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3501 * machmode.h (mode_mask_array): No longer const.
3502 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3504 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3506 * frame.c: Somewhat explain `FDE'.
3507 Suggested by Brendan Kehoe
3509 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3511 * expr.c (pending_chain): Move up.
3512 (save_expr_status): Do save pending_chain.
3513 (restore_expr_status): And restore it.
3514 * function.h (struct function): Add pending_chain.
3516 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3518 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3519 did not match the code.
3521 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3523 * regclass.c (regclass): Break out some code into new function
3524 scan_one_insn, and into regclass_init.
3525 (init_cost): New static variable, moved out of regclass.
3526 (regclass_init): Initialize it here, not in .
3527 (scan_one_insn): New static function, broken out of regclass.
3528 * recog.c (apply_change_group): Break out some code into new
3529 function insn_invalid_p.
3530 (insn_invalid_p): New static fn, broken out of apply_change_group.
3532 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3534 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3535 reg_reloaded_contents matches incremented pseudo.
3537 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3539 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3541 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3542 addressing modes with side effects. These are currently
3543 placeholders for the C4x target.
3545 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3547 * loop.c (express_from): Make sure that when generating a PLUS of
3548 a PLUS, any constant expression appears on the outermost PLUS.
3550 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3552 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3553 works if "$(srcdir)" != ".".
3555 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3557 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3558 existing SUBREG if we can, otherwise abort.
3560 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3562 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3563 `restrict' is applied to a non-pointer variable.
3565 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3567 * invoke.texi: Document -flang-isoc9x.
3569 * Makefile.in (OBJS): Add splay-tree.o.
3570 (c-common.o): Depend on rtl.h.
3571 (splay-tree.o): List dependencies and provide build rule.
3573 * rtl.h (record_alias_subset): New function.
3574 * alias.c: Include splay-tree.h.
3575 (alias_set_entry): New type.
3576 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3577 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3578 (mems_in_disjoin_alias_sets_p): New function.
3579 (alias_set_compare): Likewise.
3580 (insert_subset_children): Likewise.
3581 (get_alias_set_entry): Likewise.
3583 * tree.h (TYPE_RESTRICT): New macro.
3584 (TYPE_UNQUALIFIED): New manifest constant.
3585 (TYPE_QUAL_CONST): Likewise
3586 (TYPE_QUAL_VOLATILE): Likewise.
3587 (TYPE_QUAL_RESTRICT): Likewise.
3588 (tree_type): Add restrict_flag. Reduce count of free bits.
3589 (DECL_POINTER_ALIAS_SET): New macro.
3590 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3591 (tree_decl): Add pointer_alias_set.
3592 (build_qualified_type): New function.
3593 (build_type_variant): Define in terms of build_qualified_type.
3594 * tree.c (set_type_quals): New function.
3595 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3596 (build_type_attribute_variant): Use build_qualified_type and
3598 (build_type_variant): Rename, and modify, to become...
3599 (build_qualified_type): New function.
3600 (build_complex_type): Use set_type_quals.
3602 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3603 (C_TYPE_FUNCTION_P): Likewise.
3604 (C_TYPE_INCOMPLETE_P): Likewise.
3605 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3606 (c_apply_type_quals_to_decl): New function.
3607 (c_build_qualified_type): New function.
3608 (c_build_type_variant): Define in terms of c_build_qualified_type.
3609 (flag_isoc9x): Declare.
3610 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3611 (common_type): Change to use TYPE_QUALS.
3612 (comptypes): Likewise.
3613 (convert_for_assignment): Likewise.
3614 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3615 * c-decl.c (flag_isoc9x): Define.
3616 (c_decode_option): Handle -flang-isoc9x.
3617 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3618 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3619 * c-lex.c (init_lex): Deal with restrict.
3620 (init_lex): Don't treat restrict as a reserved word in
3621 -traditional mode, or without -flang-isoc9x.
3622 * c-lex.h (rid): Add RID_RESTRICT.
3623 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3624 equivalent to RID_RESTRICT.
3625 * c-parse.in (TYPE_QUAL): Update comment.
3626 * c-common.c: Include rtl.h.
3627 (c_find_base_decl): New function.
3628 (c_build_type_variant): Rename, and modify, to become ...
3629 (c_build_qualified_type): New function.
3630 (c_apply_type_quals_to_decl): Likewise.
3631 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3632 a particular alias set for the reference.
3633 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3635 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3637 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3638 command line switches.
3640 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3642 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3645 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3647 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3649 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3651 * regclass.c (fix_register): Add error message.
3652 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3655 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3657 * c-decl.c (warn_missing_noreturn): New global variable.
3658 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3659 (finish_function): Implement missing noreturn warning.
3661 * c-tree.h (warn_missing_noreturn): Declare extern.
3663 * invoke.texi: Document new flags.
3665 * toplev.c (documented_lang_options): Add description.
3667 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3669 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3670 loop optimization stable for the C4x.
3671 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3672 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3673 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3675 (c4x_address_conflict): Be more paranoid when packing a volatile
3676 memref in a parallel load/store.
3678 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3680 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3681 repeat_block_filler): Deleted.
3682 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3683 Condition code not set if destination register from 'c' class.
3684 (*subbqi3_carry_clobber): Fix typo.
3686 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3688 * reorg.c (steal_delay_list_from_target) Check for insns that
3689 modify the condition codes and effect the direction of the jump
3692 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3694 * function.c (purge_addressof_1): Replace call to
3695 emit_insns_before() with emit_insn_before().
3697 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3699 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3701 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3703 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3705 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3707 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3708 clobbered across calls.
3710 * loop.c (scan_loop): Be more selective about what invariants are
3711 moved out of a loop.
3713 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3715 * version.c: Bump for snapshot.
3717 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3719 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3720 static eh_context structure.
3722 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3724 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3726 (try_combine): Don't update max_scratch.
3727 * flow.c (max_scratch, num_scratch): Delete variables.
3728 (life_analysis_1): Don't initialize max_scratch.
3729 (propagate_block): Don't update max_scratch.
3730 (mark_set_1): Don't increment num_scratch.
3731 * regs.h (max_scratch): Delete declaration.
3733 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3735 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3736 is nonzero. This is temporary!
3738 * sched.c (update_flow_info): Handle death notes made invalid by
3739 instruction splitting. Partially reverts Oct 15, 1998 patch.
3740 * haifa-sched.c (update_flow_info): Likewise.
3742 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3744 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3745 if it has a nonzero DECL_INITIAL.
3747 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3749 * Makefile.in (flow.o): Depend on recog.h.
3751 * cpplib.h (directive_table): Add missing initializiers.
3752 (finclude): Change type of variable `bsize' to size_t.
3754 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3756 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3758 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3759 `int' when comparing against one.
3760 (cpp_file_line_for_message): Mark parameter `pfile' with
3762 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3764 * flow.c: Include recog.h.
3765 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3767 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3768 `f' with ATTRIBUTE_UNUSED.
3769 (reposition_prologue_and_epilogue_notes): Likewise.
3771 * genopinit.c (gen_insn): Cast argument of ctype functions to
3774 * haifa-sched.c: Include recog.h.
3775 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3776 comparing against one.
3778 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3780 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3782 (parse_ent): Likewise.
3783 (parse_input): Likewise.
3785 * optabs.c (init_libfuncs): Likewise.
3787 * protoize.c (find_rightmost_formals_list): Likewise.
3789 * recog.h (const_double_operand): Fix typo in prototype.
3791 * tlink.c (scan_linker_output): Cast the argument of ctype
3792 function to `unsigned char'.
3794 * toplev.c (check_lang_option): Cast the result of `strlen' to
3795 `int' when comparing against one.
3797 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3799 * gcse.c (dump_cuid_table): Correct typo.
3801 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3803 * toplev.c (display_help): Prepend '-m' to target specific
3805 (check_lang_option): Ignore text after end of first word of a
3806 language specific option.
3808 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3810 * reload1.c (reg_used_by_pseudo): New static variable.
3811 (choose_reload_regs): Initialize it.
3812 Use it instead of testing spill_reg_order to determine whether a
3813 pseudo is live in a hard register across the current insn.
3814 Fix a typo in a reference to reload_reg_rtx.
3816 * flow.c (propagate_block): Replace code that computes and uses
3817 regs_sometimes_live with simpler code that just walks the set of
3818 currently live registers.
3820 * Makefile.in (insn-extract.o): Fix dependencies.
3821 * genextract.c (main): Generate includes for insn-config.h and
3823 Delete generation of declarations which are now in recog.h.
3824 * genrecog.c (main): Delete generation of definitions which are
3826 * local-alloc.c (block_alloc): Use extract_insn and the variables
3827 it sets up instead of looking up values by insn_code.
3828 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3829 recog_dup_num): Define here instead of generating the definition in
3831 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3832 recog_operand_mode, recog_constraints, recog_operand_address_p):
3834 (extract_insn): New function.
3835 * recog.h (extract_insn): Declare function.
3836 (which_alternative, recog_n_operands, recog_n_dups,
3837 recog_n_alternatives, recog_operand_mode, recog_constraints,
3838 recog_operand_address_p): Declare variables.
3839 * regclass.c (n_occurrences): New static function.
3840 * reload.c (n_occurrences): Delete function.
3841 (find_reloads): Use extract_insn.
3842 * reload.h (n_occurrences): Delete declaration.
3844 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3846 * reload1.c (reload_as_needed): Fix test for when to call
3847 update_eliminable_offsets.
3849 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3851 Fix consistency problems with reg_equiv_{mem,address};
3852 Improve reload inheritance;
3854 * reload.c (reload_out_reg): New variable.
3855 (loc_mentioned_in_p, remove_address_replacements): New functions.
3856 (remove_replacements): Deleted.
3857 (push_reload): Set reload_out_reg[i].
3858 When merging, also set reload_{in,out}_reg[i], and remove
3859 duplicate address reloads.
3860 (combine_reloads): Copy reload_out_reg[i].
3861 (find_reloads): Do make_memloc substitution also when
3862 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3864 Include *recog_operand_loc in commutativity operand changes.
3865 Generate optional output reloads.
3866 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3867 processing operands. Call make_memloc in reg_equiv_address code.
3868 Set *recog_operand_loc only after processing operands, and only
3869 if replace is true. Return a value.
3870 When changing address reload types for operands that didn't get
3871 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3872 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3873 Don't emit USEs for pseudo SUBREGs when not replacing.
3874 (find_reloads_address): Do make_memloc substitution also when
3875 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3877 (find_reloads_toplev): Likewise.
3878 Call make_memloc in reg_equiv_address code.
3879 (debug_reload_to_stream): Add code to output reload_out_reg.
3880 (make_memloc): Delete local variable i, ifdefed out code, and
3881 references to memlocs and n_memlocs.
3882 (memlocs, n_memlocs): Delete.
3883 (push_secondary_reload): Clear reload_out_reg.
3884 (find_reloads_address_1): Provide memrefloc argument to all calls
3885 to find_reloads_address.
3886 In AUTO_INC code, handle non-directly addressable equivalences properly.
3887 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3888 (find_reloads): Add return type.
3889 (remove_address_replacements, deallocate_reload_reg): Declare.
3890 * reload1.c (num_not_at_initial_offset): No longer static.
3891 (delete_address_reloads, delete_address_reloads_1): Likewise.
3892 (deallocate_reload_reg): New function.
3893 (spill_reg_stored_to): New array.
3894 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3895 (eliminate_regs_in_insn): Move assignments of previous_offset and
3896 max_offset fields, and recalculation of num_not_at_initial_offset
3897 into new static function:
3898 (update_eliminable_offsets) .
3899 (reload_as_needed): Call update_eliminable_offsetss after calling
3901 Call forget_old_reloads_1 with contents of reloaded auto_inc
3902 expressions if the actual addressing can't be changed to match the
3904 (choose_reload_regs): For inheritance, replace
3905 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3906 remove stand-alone reload_reg_used_at_all test.
3907 Use reload_out_reg to determine which reload regs have output reloads.
3908 Treat reload_override_in more similar to inherited reloads.
3909 Handle (subreg (reg... for inheritance.
3910 For flag_expensive_optimizations, add an extra pass to remove
3911 unnecessary reloads from known working inheritance.
3912 Delete obsolete code for pseudos replaced with MEMs.
3913 Handle inheritance from auto_inc expressions.
3914 (emit_reload_insns): If reload_in is a MEM, set OLD to
3916 Don't reload directly from oldequiv; if it's a pseudo with a
3917 stack slot, use reload_in[j].
3918 Check that reload_in_reg[j] is a MEM before replacing reload_in
3919 from reg_reloaded_contents.
3920 Include non-spill registers in reload inheritance processing.
3921 Also try to use reload_out_reg to set spill_reg_store /
3922 reg_last_reload_reg.
3923 In code to set new_spill_reg_store, use single_set to find out if
3924 there is a single set.
3925 Add code that allows to delete optional output reloads.
3926 Add code to allow deletion of output reloads that use no spill reg.
3927 At the end, set reload_override_in to oldequiv.
3928 Also call delete_output_reload if reload_out_reg is equal to old
3930 Add code to call delete_output_reload for stores with no matching load.
3931 Set / use spill_reg_stored_to.
3932 Handle case where secondary output reload uses a temporary, but
3933 actual store isn't found.
3934 When looking for a store of a value not loaded in order to call
3935 delete_output_reload, count_occurences should return 0 for no
3936 loads; but discount inherited input reloadill_reg_stored_to.
3937 Do checks for extra uses of REG. Changed all
3939 Use delete_address_reloads.
3940 (reload): Take return value of find_reloads into account.
3941 If a no-op set needs more than one reload, delete it.
3942 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3943 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3944 for the same operand.
3945 (clear_reload_reg_in_use): Check for other reloads that keep a
3947 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3948 RELOAD_FOR_OPADDR_ADDR.
3949 Take into account when an address address reload is only needed
3950 for the address reload we are considering.
3951 (count_occurrences): Use rtx_equal_p for MEMs.
3952 (inc_for_reload): Return instruction that stores into RELOADREG.
3953 New argument two, IN, and rtx. Changed all callers.
3954 (calculate_needs_all_insns, reload_as_needed):
3955 Don't clear after_call for a CLOBBER.
3956 Keep track of how many hard registers need to be copied from
3957 after_call, and don't clear after_call before we have seen
3958 that much copies, or we see a different instruction.
3960 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3962 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3963 after reload has completed.
3965 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3967 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3968 a macro name and the next token with a single blank if that whitespace
3969 is in a macro buffer and the next token is not '('.
3971 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3973 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3975 (skip_if_group): Ditto.
3976 (skip_to_end_of_comment): Ditto.
3978 (discard_comments): Ditto.
3979 (change_newlines): Ditto.
3981 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3983 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3985 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3987 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3988 (TARGET_OPTIONS): Add --help documentation.
3990 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3992 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3994 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3996 * fixinc/* Moved in from ../contrib directory in preparation
3997 for integrating it into the normal build process. In particular,
3998 fixinc/Makefile.in must be config-ed into the build directory
3999 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4000 ./configure.in will be "in the mail" momentarily.
4002 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4004 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4005 accidently walk into the free list. Comment how that can happen.
4006 (invalidate): Fix indentation.
4008 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4009 Jeffrey A Law (law@cygnus.com)
4011 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4012 reload. Never perform rescans of the insn chain after reload.
4013 (propagate_block): Do not delete insn or create new autoinc addressing
4016 * jump.c (jump_optimize): Unconditionally use the code that was
4017 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4018 * reload1.c (reload): When reloading is finished, delete all
4019 REG_DEAD and REG_UNUSED notes.
4020 (emit_reload_insns): Delete all code that was conditional on
4021 PRESERVE_DEATH_INFO_REGNO_P.
4022 (no_longer_dead_regs): Delete variable.
4023 (reload_cse_delete_death_notes): Delete function.
4024 (reload_cse_no_longer_dead): Delete function.
4025 (reload_cse_regs_1): Delete all code to handle deletion of death
4027 (reload_cse_noop_set_p): Likewise.
4028 (reload_cse_simplify_set): Likewise.
4029 (reload_cse_simplify_operands): Likewise.
4030 (reload_cse_move2add): Likewise.
4031 * reorg.c (used_spill_regs): Delete declaration.
4032 (max_label_num_after_reload): Delete declaration.
4033 (find_dead_or_set_registers): Don't assume that spill regs are
4034 dead at a CODE_LABEL.
4035 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4037 * sched.c (sched_analyze_insn): Likewise.
4038 (update_flow_info): Likewise.
4039 * haifa-sched.c (sched_analyze_insn): Likewise.
4040 (update_flow_info): Likewise.
4041 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4042 * toplev.c (max_label_num_after_reload): Delete variable.
4043 (rest_of_compilation): Don't set max_label_num_after_reload.
4044 Call life_analysis after reload_cse_regs if optimizing.
4045 * config/gmicro/gmicro.h: Delete comment referring to
4046 PRESERVE_DEATH_INFO_REGNO_P.
4047 * config/i386/i386.h: Likewise.
4048 * config/m88k/m88k.h: Likewise.
4049 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4050 * config/sh/sh.h: Likewise.
4052 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4054 * loop.c (strength_reduce): Restore marking bct_p as
4056 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4057 HAVE_decrement_and_branch_on_count.
4058 (small_data_operand): Remove TARGET_ELF condition for marking
4059 parameters ATTRIBUTE_UNUSED.
4061 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4063 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4064 (SELECT_SECTION): Resync with svr4.h.
4066 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4068 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4071 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4073 * c-pragma.c (handle_pragma_token): Test for null tree before
4074 dereferencing TREE_CODE.
4076 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4078 * config/c4x/c4x.c: Convert to use GEN_INT.
4079 (c4x_parallel_process): Rework to handle new repeat loop structure.
4081 * config/c4x/c4x.md: Convert to use GEN_INT.
4082 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4083 (decrement_and_branch_on_count): Likewise.
4085 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4086 loop.c has the desired functionality.
4087 (rc_reg_operand): New prototype.
4089 * config/c4x/t-c4x: Can now build all front ends.
4091 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4093 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4095 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4097 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4098 * config/t-rtems: Do not install assert.h -- use newlib's.
4100 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4102 * combine.c (combine_instructions): When finished, call init_recog.
4103 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4105 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4107 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4109 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4111 * cppalloc.c (memory_full): Mark function prototype with
4114 * demangle.h (collect_exit): Likewise.
4116 * fix-header.c (v_fatal, fatal): Likewise.
4118 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4121 * gcov.c (print_usage): Likewise.
4123 * genattr.c (fatal, fancy_abort): Likewise.
4125 * genattrtab.c (fatal, fancy_abort): Likewise.
4127 * gencodes.c (fatal, fancy_abort): Likewise.
4129 * genconfig.c (fatal, fancy_abort): Likewise.
4131 * genemit.c (fatal, fancy_abort): Likewise.
4133 * genextract.c (fatal, fancy_abort): Likewise.
4135 * genflags.c (fatal, fancy_abort): Likewise.
4137 * genopinit.c (fatal, fancy_abort): Likewise.
4139 * genoutput.c (fatal, fancy_abort): Likewise.
4141 * genpeep.c (fatal, fancy_abort): Likewise.
4143 * genrecog.c (fatal, fancy_abort): Likewise.
4145 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4146 __sjpopnthrow, __throw): Likewise.
4148 * objc/objc-act.c (objc_fatal): Likewise.
4150 * protoize.c (usage, aux_info_corrupted,
4151 declare_source_confusing): Likewise.
4153 * rtl.c (dump_and_abort): Likewise.
4155 * rtl.h (sets_cc0_p): Likewise.
4157 * toplev.c (float_signal, pipe_closed): Likewise.
4159 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4161 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4162 when generating the decision tree for the general case.
4164 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4165 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4167 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4169 * Makefile.in (sched.o): Depend on recog.h.
4171 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4172 (unsigned) when comparing against one.
4173 (find_base_value): Likewise.
4174 (record_base_value): Cast variable `regno' to (unsigned) when
4175 comparing against one. Cast the result of REGNO() macro to
4176 (unsigned) when comparing against one.
4177 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4179 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4180 variable where an unsigned index is needed.
4182 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4183 before comparing against one.
4185 * collect2.c: Add prototypes for functions `error', `fatal' and
4186 `fatal_perror'. Make these functions take variable arguments
4187 instead of faking it with a fixed number of args.
4188 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4191 * combine.c (can_combine_p): Mark parameter `pred' with
4193 (find_split_point): Cast variable `src' to (unsigned
4194 HOST_WIDE_INT) when comparing against one.
4195 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4196 (simplify_logical): Likewise.
4197 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4198 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4199 HOST_WIDE_INT) in shift.
4200 (simplify_and_const_int): Cast result of INTVAL() macro to
4201 `unsigned HOST_WIDE_INT' when comparing against one.
4202 (merge_outer_ops): Cast variable const0 to `unsigned
4203 HOST_WIDE_INT' when comparing against the result of
4204 GET_MODE_MASK() macro.
4205 (simplify_comparison): Likewise for variable `c0'. Cast variable
4206 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4207 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4208 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4209 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4210 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4211 comparing against one.
4212 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4214 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4215 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4216 (output_block_move): Cast `sizeof' expression to (int) when
4217 comparing against one.
4218 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4220 (save_restore_insns): Cast `base_offset' to `long' to match format
4221 specifier in fprintf.
4223 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4224 to `enum machine_mode'.
4226 * flow.c (life_analysis_1): Remove unused variable `insn'.
4228 * gcc.c (translate_options): Move variables `j' and `k' into the
4229 scope in which they are used. Change their types to `size_t'.
4230 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4231 (read_specs): Likewise.
4232 (process_command): Cast `sizeof' to (int) when comparing against one.
4233 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4234 (handle_braces): Cast both sides of `==' expression to `long' to
4235 ensure sign matching.
4236 (main): Cast variable `i' to `int' when comparing against one.
4238 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4239 int to size_t. Cast variable `i' to size_t when comparing against
4242 * genattrtab.c (convert_set_attr_alternative): Remove unused
4243 parameter `insn_code'. All callers changed.
4244 (convert_set_attr): Likewise.
4246 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4247 size_t when comparing against one. Likewise for variable `len'.
4249 * global.c (global_alloc): Cast variable `max_regno' to size_t
4250 when comparing against one. Likewise for variable `max_allocno'.
4252 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4254 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4255 `set' with ATTRIBUTE_UNUSED.
4256 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4259 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4260 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4261 (get_condition): Cast variable `const_val' to `unsigned
4262 HOST_WIDE_INT' when comparing against one. Cast unsigned
4263 expression to HOST_WIDE_INT when comparing against one.
4264 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4265 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4266 `unsigned' when comparing against one.
4268 * protoize.c (is_id_char): Change type of parameter `ch' to
4270 (munge_compile_params): Cast argument of ctype macro to (const
4272 (process_aux_info_file): Cast variable `aux_info_size' to int when
4273 comparing against one.
4274 (forward_to_next_token_char): Cast argument of ctype macro to
4275 `const unsigned char'.
4276 (edit_formals_lists): Likewise.
4277 (find_rightmost_formals_list): Likewise.
4278 (add_local_decl): Likewise.
4279 (add_global_decls): Likewise.
4280 (edit_fn_definition): Likewise.
4281 (do_cleaning): Likewise.
4282 (scan_for_missed_items): Likewise.
4283 (edit_file): Cast variable `orig_size' to (int) when comparing
4285 (main): Cast argument of ctype macro to `const unsigned char'.
4287 * recog.c (const_int_operand): Mark parameter `mode' with
4290 * regclass.c (record_reg_classes): Change type of variable `c' to
4291 `unsigned char'. Cast `char' array index to `unsigned char'.
4293 * reload.c (push_secondary_reload): Cast argument to
4294 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4296 * reload1.c (calculate_needs): Cast `char' array index to
4298 (set_label_offsets): Change type of variable `i' to unsigned int.
4299 Cast result of XVECLEN() macro to unsigned when comparing against
4301 (mark_not_eliminable): Change type of variable `i' to unsigned.
4302 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4303 when comparing against one.
4304 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4305 comparing against one.
4306 (choose_reload_regs): Hide unused label `fail'.
4307 (reload_cse_simplify_operands): Cast `char' array index to
4309 (reload_combine_note_store): Mark parameter `set' with
4310 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4312 (reload_cse_move2add): Remove unused variable `src2'.
4314 * sched.c: Include recog.h.
4315 (sched_note_set): Remove unused parameter `b'. All callers
4317 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4318 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4319 when comparing against one.
4321 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4322 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4323 comparing against one.
4325 * unroll.c (precondition_loop_p): Remove unused parameter
4326 `loop_end'. All callers changed.
4328 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4330 * reload1.c (maybe_fix_stack_asms): New static function.
4333 * reload.h (compute_use_by_pseudos): Declare.
4335 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4336 (something_needs_reloads): Delete variable.
4337 (finish_spills): New function.
4338 (compute_use_by_pseudos): New function.
4340 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4341 Use the reload_insn_chain instead of walking the rtl directly.
4343 (reload): Allocate and free spilled_pseudos.
4344 Ensure that all calls of spill_hard_reg are followed by a call to
4346 Use the insns_need_reload list instead of something_needs_reloads
4347 to find out if reload_as_needed must be called.
4348 Clear unused_insn_chains at the end.
4350 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4352 Delete code to keep track of current basic block.
4353 Walk reload_insn_chain instead of the rtl structure. Build the
4354 insns_need_reload chain.
4355 Remember which insns need reloading/elimination by setting the
4356 appropriate fields in struct insn_chain, not by putting modes on the
4359 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4360 arg INSN. All callers changed.
4361 Delete declaration of struct needs.
4362 Don't set something_needs_reloads.
4363 Record insn needs in the CHAIN argument.
4365 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4367 (reload_as_needed): Lose FIRST arg. All callers changed.
4368 Walk the reload_insn_chain instead of the rtx structure.
4369 Delete code to keep track of current basic block.
4370 Rename one of the NEXT variables to OLD_NEXT.
4372 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4374 (choose_reload_regs): Likewise.
4376 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4379 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4380 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4381 (hard_regs_live, hard_regs_need_restore): Delete variables.
4382 (n_regs_saved): Now static.
4383 (referenced_regs, this_insn_sets): New variables.
4385 (setup_save_areas): Restructure the code a bit.
4387 (restore_referenced_regs): Delete function.
4388 (mark_referenced_regs): New function, similar to the old
4389 restore_referenced_regs, but mark registers in referenced_regs.
4391 (clear_reg_live): Delete function.
4392 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4393 Only mark registers in this_insn_sets.
4395 (save_call_clobbered_regs): Rework this function to walk the
4396 reload_insn_chain instead of using the list of instructions directly.
4397 Delete code to keep track of register lives, compute live regs on the
4398 fly from information in the chain.
4399 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4400 then walk the set it computes and call insert_restore as appropriate.
4402 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4404 Restructure the code a bit. Test hard_regs_saved instead of
4405 hard_regs_need_restore.
4406 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4407 args. All callers changed.
4408 Restructure the code a bit. Use TO_SAVE to determine which regs to
4409 save instead of more complicated test.
4410 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4412 Create a new insn_chain structure for the new insn and place it
4415 * rtl.texi: Update documentation to reflect that reload no longer
4416 puts modes on the insns.
4418 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4420 * function.c (purge_addressof_1): Force the first argument of a
4421 CALL insn to memory.
4423 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4425 * rtl.h: Delete duplicate prototypes. Add some missing
4427 * rtlanal.c: (for_each_rtx): Formatting tweak.
4429 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4431 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4432 to be compatible with TI compiler.
4434 * Makefile.in (USER_H): Add va-c4x.h to definition.
4436 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4438 * function.c (purge_addressof_1): Fix typo in inequality: do
4439 bitfield optimization for equal mode sizes.
4440 * expmed.c (store_bit_field): Don't take subregs of subregs in
4441 the movstrict case. Tidy a potential problem in the multi-word case.
4442 (extract_bit_field): Likewise.
4444 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4446 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4448 Compute max_uid_for_flow by calling get_max_uid after the scan.
4449 (find_basic_blocks_1): Don't emit NOPs here.
4451 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4453 * alias.c (base_alias_check): Accept new args for the modes of the
4454 two references. Use them to determine if an AND can overlap. Update
4456 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4457 to determine if an AND can overlap.
4459 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4461 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4462 check. Add comment to document problems with TARGET_SUN_FPA version
4464 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4466 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4468 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4470 * c-common.c (print_char_table): Add missing initializers.
4471 (scan_char_table): Likewise.
4472 (time_char_table): Likewise.
4474 * c-decl.c (c_decode_option): Mark parameter `argc' with
4476 (declare_parm_level): Mark parameter `definition_flag' with
4479 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4480 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4483 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4485 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4487 (expand_call): Cast result of MIN() to (unsigned int) when
4488 comparing against an unsigned value.
4490 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4492 (make_definition): Remove unused parameter `op'. All callers
4494 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4495 comparing against the result of pointer arithmetic.
4497 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4498 when comparing against one.
4500 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4501 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4503 (output_die): Move variable `i' into the scope in which it is
4504 used. Change its type to `unsigned'.
4505 (output_die): Cast the result of `strlen' to (int) when passing it
4506 to ASM_OUTPUT_ASCII().
4507 (output_pubnames): Likewise.
4508 (output_line_info): Likewise.
4510 * emit-rtl.c (global_rtl): Add missing initializers.
4512 * explow.c (promote_mode): Mark parameter `for_call' with
4515 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4516 `unsigned HOST_WIDE_INT' when comparing against one.
4517 (synth_mult): Change type of variable `cost' to int.
4518 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4520 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4521 when comparing against one.
4522 (get_inner_reference): Change variable `alignment' to unsigned.
4523 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4524 int) when comparing against one.
4525 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4527 * fold-const.c (div_and_round_double): Cast BASE to
4528 (HOST_WIDE_INT) when comparing against one.
4530 * gencheck.c: Include gansidecl.h.
4531 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4533 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4534 `tcode' with ATTRIBUTE_UNUSED.
4536 * real.c (edivm): Cast constant value to (unsigned long) in
4537 expression compared against an unsigned value.
4539 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4540 comparing against one.
4541 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4542 when comparing against one.
4544 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4545 (unsigned int) when comparing against one. Likewise for
4547 (smallest_mode_for_size): Likewise.
4548 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4549 (restore_storage_status): Likewise.
4551 * toplev.c (debug_args): Add missing initializer.
4552 (f_options): Spelling correction. Add missing initializers.
4553 (documented_lang_options): Likewise.
4554 (debug_end_source_file): Mark parameter `lineno' with
4557 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4558 `decl' and `type' with ATTRIBUTE_UNUSED.
4560 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4561 when comparing against one.
4562 (assemble_variable): Mark parameter `top_level' with
4564 (assemble_external_libcall): Mark parameter `fun' with
4566 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4569 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4571 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4572 Replace use of r5 with use of r19.
4574 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4576 * config/v850/v850.c (compute_register_save_size): Allow for the
4577 fact that helper functions save all registers, not just those used
4580 Replace constant 31 with macro LINK_POINTER_REGNUM.
4582 * config/v850/v850.md: Use 'indirect_operand' rather than
4583 'memory_operand' for bit test/set/clear patterns.
4585 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4587 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4588 * varasm.c (assemble_start_function et al): Don't call
4589 ASM_GLOBALIZE_LABEL for weak symbols.
4591 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4593 * cse.c (equiv_constant): Check for NULL return from
4594 gen_lowpart_if_possible().
4596 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4598 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4600 * collect2.c (main): Pass -EL/-EB through to the compiler.
4602 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4604 * expr.c (push_block): Handle targets where the stack grows
4605 to higher addresses, but args grow to lower addresses and
4606 ACCUMULATE_OUTGOING_ARGS is not defined.
4608 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4610 * config/v850/v850.c (print_operand): Extend meaning
4611 of 'c' operands to support .vtinherit.
4613 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4615 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4616 Added ATTRIBUTE_UNUSED to unused function arguments.
4617 (rc_reg_operand): New predicate.
4618 (c4x_rptb_insert): New function.
4619 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4620 (c4x_optimization_options): New function.
4622 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4623 (decrement_and_branch_on_count): New pattern.
4624 (rptb_top): Modified pattern to work with BCT optimization.
4626 * config/c4x/c4x.h (RC_REG): New register class.
4627 (rc_reg_operand): Define prototype.
4628 (IS_RC_REG): New macro.
4629 (IS_RC_OR_PSEUDO_REG): New macro.
4630 (IS_RC_OR_PSEUDO_REGNO): New macro.
4631 (OPTIMIZATION_OPTIONS): Define.
4633 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4635 * collect2.c (extract_init_priority): No priority is 65535.
4637 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4639 * Makefile.in (build_tooldir): new variable, same as old
4640 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4641 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4642 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4644 * configure.in (gxx_include_dir): set default based on unlibsubdir
4645 * Makefile.in (tooldir): ditto
4646 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4647 gxx_include_dir, includedir and tooldir
4648 (protoize.o, unprotoize.o): ditto
4650 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4652 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4654 * config/arm/thumb.c (thumb_override_options): Add warning about
4655 PIC code not being supported just yet.
4657 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4659 * flow.c: Update comment.
4660 (notice_stack_pointer_modification): New static function.
4661 (record_volatile_insns): Use it.
4662 (mark_regs_live_at_end): Mark the stack pointer as alive
4663 at the end of the function if current_function_sp_is_unchanging
4665 (life_analysis_1): Set current_function_sp_is_unchanging.
4666 * function.c: Define it.
4667 (init_function_start): Initialize it.
4668 * output.h: Declare it.
4669 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4670 the stack pointer as alive at the end of the function if
4671 current_function_sp_is_unchanging is set.
4672 * i386.c (ix86_epilogue): Optimize the restoring
4673 of the stack pointer.
4675 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4677 * version.c: Bump for snapshot.
4679 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4681 * c-pragma.c (handle_pragma_token): If passed a token instead
4682 of a tree, use that as the pack value.
4684 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4686 * flow.c (find_basic_blocks_1): Fix prototype.
4688 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4690 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4691 (struct tree_decl): New fields no_check_memory_usage.
4692 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4693 (init_attributes): Register it as a new attribute.
4694 (decl_attributes): Set flags on functions given that attribute.
4695 * c-decl.c (duplicate_decls): Merge new attribute.
4696 * expr.h (current_function_check_memory_usage): Declare new var.
4697 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4698 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4699 current_function_check_memory_usage.
4700 * function.h: Add field to struct function.
4701 * function.c (current_function_check_memory_usage): Define it.
4702 (push_function_context_to, pop_function_context_from): Save and
4704 (expand_function_start): Set it, based on global flag and function
4707 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4708 check non-automatic variables, to permit detection of writes to
4709 read-only locations in embedded systems without memory management.
4710 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4711 when emitting chkr_set_right_libfunc call, even if the argument is
4712 BLKmode or variable-sized; don't abort.
4714 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4715 symbols in Pmode, not VOIDmode.
4717 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4719 * cppexp.c: When forcing unsigned comparisons, cast both sides
4722 * cpphash.h: Move static declaration of hashtab[]...
4723 * cpphash.c: ...here.
4725 * cpplib.c: Cast difference of two pointers to size_t before
4726 comparing it to size_t. Cast signed to unsigned
4727 before comparing to size_t. (FIXME: struct argdata should use
4728 unsigned buffer sizes.)
4729 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4730 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4731 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4732 size_t before comparison.
4734 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4736 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4737 (find_basic_blocks_1): Similarly.
4738 * output.h (find_basic_blocks): Fix prototype.
4739 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4740 find_basic_blocks anymore.
4742 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4744 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4745 (sbitmap_free, sbitmap_vector_free): New macros.
4746 * output.h (rtl_dump_file): Declare.
4748 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4750 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4752 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4754 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4756 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4757 (divide): Remove unused variable `tmp'.
4758 (si_to_float): Cast numeric constant to (SItype) before comparing
4761 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4763 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4764 * gcc.c (add_preprocessor_option): Correct typo when allocating
4765 memory, sizeof() argument had one too many `*'.
4766 (add_assembler_option): Likewise.
4767 (add_linker_option): Likewise.
4768 * gcov.c (output_data): Likewise.
4769 * local-alloc.c (memref_used_between_p): Likewise.
4770 (update_equiv_regs): Likewise.
4771 * loop.c (strength_reduce): Likewise.
4772 * reg-stack.c (record_asm_reg_life): Likewise.
4773 (subst_asm_stack_reg): Likewise.
4774 * reorg.c (dbr_schedule): Likewise.
4776 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4778 * flow.c (life_analysis_1): Break out some functions.
4779 (find_basic_blocks_1): Likewise. Also move some variables out and
4781 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4782 new static var nonlocal_label_list with it.
4783 (active_eh_region, nested_eh_region, label_value_list,
4784 nonlocal_label_list): New static variables.
4785 (make_edges, delete_unreachable_blocks, delete_block): New static
4786 functions, broken out of find_basic_blocks_1.
4787 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4788 noop_move_p): New static functions, broken out of life_analysis_1.
4790 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4792 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4793 Take extra care for op0 now possibly being a subreg.
4794 (extract_bit_field): Likewise.
4795 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4796 the reg to memory if there is no equal sized integral mode.
4797 * stor-layout.c (int_mode_for_mode): New function.
4798 * machmode.h: Prototype it.
4800 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4802 * global.c (build_insn_chain): Verify no real insns exist past the
4803 end of the last basic block, then exit the loop.
4805 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4807 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4809 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4811 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4813 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4815 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4817 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4819 * flow.c (find_basic_blocks): Correctly determine when a call
4820 is within an exception region.
4822 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4824 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4826 * cpplib.h: Protect from multiple inclusions.
4827 * cpplib.c: Fix minor formatting problems.
4829 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4831 * jump.c (jump_optimize): Revert accidental patch.
4833 * Makefile.in (cpplib.o): Use unlibsubdir.
4835 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4837 * loop.c (get_condition): Allow combine when either compare is
4840 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4842 * version.c: Bump for snapshot.
4844 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4846 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4847 (init_lex): Initialize ridpointers[RID_BYREF].
4848 * c-lex.h (enum rid): Add RID_BYREF.
4849 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4850 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4851 (encode_type_qualifiers): Similarly
4852 * c-gperf.h: Rebuilt.
4854 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4856 * c-common.c (type_for_mode): Only return TItype nodes when
4857 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4858 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4859 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4860 (init_decl_processing): Only create TItype nodes when
4861 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4862 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4863 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4865 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4867 * stmt.c (n_occurrences): New static function.
4868 (expand_asm_operands): Verify that all constrains match in the
4869 number of alternatives.
4870 Verify that '+' or '=' are at the beginning of an output constraint.
4871 Don't allow '&' for input operands.
4872 Verify that '%' isn't written for the last operand.
4873 * reload.c (find_reloads): Abort if an asm is found with invalid
4874 constraints; all possible problems ought to be checked for earlier.
4876 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4878 * flags.h (flag_branch_on_count_reg): Always declare
4879 * toplev.c (flag_branch_on_count_reg): Likewise.
4880 * toplev.c: Fix typos.
4882 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4885 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4887 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4889 (find_basic_blocks_1): Add a nop to the end of a basic block when
4890 a trailing call insn does not have abnormal control flow.
4891 * gcse.c (pre_transpout): New variable.
4892 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4893 (compute_pre_transpout): Calculate it.
4894 (compute_pre_ppinout): Use it to eliminate impossible placements
4895 due to abnormal control flow through calls.
4896 (compute_pre_data): Call compute_pre_transpout.
4898 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4900 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4902 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4904 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4905 and matching define_insns): Tack on a `use' of the table label, so
4906 flow analysis will recognize a tablejump.
4908 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4910 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4911 always end basic blocks for abnormal edge reasons.
4913 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4915 * config/i386/i386.h: Remove definition of
4916 HANDLE_PRAGMA_PACK_PUSH_POP.
4918 * config/i386/go32.h: Add definition of
4919 HANDLE_PRAGMA_PACK_PUSH_POP.
4921 * config/i386/win32.h: Add definition of
4922 HANDLE_PRAGMA_PACK_PUSH_POP.
4924 * config/i386/cygwin32.h: Add definition of
4925 HANDLE_PRAGMA_PACK_PUSH_POP.
4927 * c-pragma.c (insert_pack_attributes): Do not insert
4928 attributes unless #pragma pack(push,<n>) is in effect.
4930 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4932 * expr.c (emit_group_store): Handle a PARALLEL destination.
4934 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4936 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4937 the new insns before the argument regs are loaded.
4939 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4941 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4942 (c-parse.gperf): Update comments describing invocation flags.
4943 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4945 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4947 * reload1.c (reload): Call free before clobbering the memory
4948 locations or constants pointers.
4950 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4952 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4953 for efficiency by checking whether we need to modify the current
4954 stack permission at all.
4955 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4956 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4957 __enable_execute_stack libcall here too if
4958 TRANSFER_FROM_TRAMPOLINE is defined.
4959 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4962 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4964 * Makefile.in (DRIVER_DEFINES): Remove last change.
4966 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4968 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4969 insns we're going to copy.
4970 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4972 * loop.c (count_one_set): Add prototype.
4974 * caller-save.c (restore_referenced_regs): Lose mode argument.
4975 (insert_save): Lose mode argument.
4976 (insert_restore): Lose mode argument.
4977 (insert_one_insn): Lose mode argument.
4978 (save_call_clobbered_regs): Lose mode argument.
4979 (setup_save_areas): Take no argument and return void. All callers
4981 Don't verify validity of memory addresses.
4982 * reload.h (setup_save_ares): Adjust prototype.
4983 (save_call_clobbered_regs): Likewise.
4984 * reload1.c (delete_caller_save_insns): New function.
4985 (caller_save_spill_class): Delete variable.
4986 (caller_save_group_size): Delete variable.
4987 (reload): Call setup_save_areas and save_call_clobbered_regs
4988 in the main loop, before calling calculate_needs_all_insns.
4989 Don't call save_call_clobbered_regs after the loop.
4990 Call delete_caller_save_insns at the end of an iteration if
4992 Delete code to manage caller_save_spill_class.
4993 Emit the final note before setting reload_first_uid.
4994 Simplify test that determines whether reload_as_needed gets run.
4995 (calculate_needs): Delete code to manage caller_save_spill_class.
4997 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4999 * collect2.c (main): Initialize ld_file_name.
5001 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5003 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5004 check for flag_function_sections.
5006 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5008 * cse.c (insert_regs): Fix bug in Sep 24 change.
5010 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5012 * flags.h (flag_dump_unnumbered): Declare.
5013 * toplev.c (flag_dump_unnumbered): Don't declare.
5014 * print-rtl.c (flags.h): Include.
5015 (print_rtl_single): Add return value.
5016 * rtl.h (print_rtl_single): Update declaration.
5017 * flow.c (flag_dump_unnumbered): Don't declare.
5018 (print_rtl_with_bb): Use return value of print_rtl_single.
5020 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5022 * loop.c (count_one_set): New static function, broken out of
5024 (count_loop_regs_set): Call it.
5025 * global.c (mark_reg_store): Handle clobbers here by not calling
5027 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5028 is in fact a clobber.
5029 * integrate.c (process_reg_param): New function, broken out of
5030 expand_inline_function.
5031 (expand_inline_function): Call it.
5034 * i386.md (addsidi3_1): Delete unused variable temp.
5035 (addsidi3_2): Likewise.
5036 (clstrstrsi): Delete unused variable addr1.
5038 * rtl.h: Don't declare any functions also declared in recog.h.
5040 * Makefile.in (stupid.o): Update dependencies.
5041 (global.o): Likewise.
5043 * global.c: Include reload.h
5044 (reg_becomes_live): New function.
5045 (reg_dies): New function.
5046 (build_insn_chain): New function.
5047 (global_alloc): Call build_insn_chain before calling reload.
5049 * reload.h (struct needs): New structure definition.
5050 (struct insn_chain): Likewise.
5051 (reload_insn_chain): Declare variable.
5052 (new_insn_chain): Declare function.
5055 * reload1.c (reload_startobj): New variable.
5056 (reload_insn_chain): New variable.
5057 (unused_insn_chains): New variable.
5058 (new_insn_chain): New function.
5059 (init_reload): Initialize reload_startobj, not reload_firstobj.
5060 (reload): Initialize reload_firstobj.
5061 Before returning, free everything on the reload_obstack.
5063 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5064 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5065 current_chain): New variables.
5066 (reg_where_born): Delete variable.
5067 (REG_WHERE_BORN): New macro.
5068 (find_clobbered_regs): New function.
5069 (stupid_life_analysis): Don't allocate/free reg_where_born.
5070 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5071 reg_where_dead_chain.
5072 Use REG_WHERE_BORN instead of reg_where_born.
5073 While processing the insns, build the reload_insn_chain with
5074 information about register lifetimes.
5075 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5076 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5078 Compute and information about birth and death of pseudo registers in
5079 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5080 Delete code to set elements of reg_where_born.
5082 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5084 * tree.def (GOTO_EXPR): Modified documentation.
5085 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5088 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5090 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5091 loop_final_value, loop_comparison_code): No longer static.
5092 (unroll_loop): Delete loop_start_value update.
5093 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5094 loop_final_value, loop_comparison_code): Extern.
5095 (loop_start_value): Delete extern.
5096 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5097 loop_comparison_value, loop_comparison_code): Delete.
5098 (loop_optimize): Remove initialization for deleted variables.
5099 (strength_reduce): Delete analyze_loop_iterations call. Only call
5100 insert_bct if flag_branch_count_on_reg set.
5101 (analyze_loop_iterations): Delete.
5102 (insert_bct): Remove iteration count calculation. Move checks for
5103 viable BCT optimization to here. Obtain iteration count from
5104 loop_iterations and correct for unrolling. Check for enough
5105 iteration to be beneficial. Comment out runtime iteration count
5107 (insert_bct): Print iteration count in dump file. Remove
5108 loop_var_mode and use word_mode directly.
5110 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5111 * rs6000.c (rs6000_override_options): Use it.
5112 (optimization_options): Enable use of flag_branch_on_count_reg.
5113 * rs6000.md (define_function_unit): Describe 604e.
5115 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5117 * loop.c (move_movables): Corrected threshold calculation for
5118 moved_once registers.
5120 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5122 * loop.c (combine_givs_p): Fix test for identical givs.
5124 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5126 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5127 call abort if the function is already defined.
5129 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5131 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5132 truncation is not a no-op.
5134 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5136 * version.c: Bump for snapshot.
5138 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5140 * version.c: Bump for snapshot.
5142 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5144 * expmed.c (expand_divmod): Don't widen for computing remainder
5145 if we seem to have a divmod pattern for needed mode.
5147 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5149 * cpplib.c (macroexpand): Correct off-by-one error in handling
5152 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5154 * combine.c (expand_field_assignment): Don't do bitwise operations
5155 on MODE_FLOAT; pun to MODE_INT if possible.
5157 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5158 scott snyder <snyder@d0sgif.fnal.gov>
5160 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5161 linker. Recognize mangled names in quotes.
5163 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5165 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5166 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5167 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5168 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5170 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5172 * function.c (purge_addressof_1): If trying to take a sub-word
5173 integral piece of a floating point mode, put it on the stack.
5175 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5177 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5179 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5181 * PROJECTS: Remove template friends.
5183 * collect2.c (sort_ids): Remove unused variable.
5185 * tm.texi (MATH_LIBRARY): Document.
5186 (NEED_MATH_LIBRARY): Remove.
5188 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5189 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5191 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5193 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5194 last_end to 0x7fffffff.
5196 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5198 * function.c (purge_addressof_1): Do not perform endianness
5199 corrections on bitpos, who we call will do it for us.
5201 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5203 * h8300.c (WORD_REG_USED): Fix typo.
5204 (initial_offset): Use WORD_REG_USED.
5206 * h8300.c (handle_pragma): Fix typo.
5208 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5210 * caller-save.c (insert_save_restore): Break this function up
5211 into new functions insert_restore, insert_save and insert_one_insn.
5212 All callers changed.
5213 (insert_restore): New function, mostly broken out of
5214 insert_save_restore.
5215 (insert_save): Likewise.
5216 (insert_one_insn): Likewise.
5217 (restore_referenced_regs): New argument BLOCK. All callers changed.
5218 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5219 in this function, do it in insert_one_insn instead.
5221 * reload1.c (reload): Break out some more pieces into separate
5223 (dump_needs): New function, broken out of reload.
5224 (set_initial_elim_offsets): Likewise.
5225 (init_elim_table): Likewise.
5226 (update_eliminables): Likewise.
5228 * global.c (global_alloc): Delete code to manage the scratch_list.
5229 * local-alloc.c (qty_scratch_rtx): Delete.
5230 (scratch_block): Delete.
5231 (scratch_list): Delete.
5232 (scratch_list_length): Delete.
5233 (scratch_index): Delete.
5234 (alloc_qty_for_scratch): Delete.
5235 (local-alloc): Update initialization of max_qty.
5236 Delete code to manage the scratch list.
5237 Delete code to allocate/initialize qty_scratch_rtx.
5238 (block_alloc): Don't allocate quantities for scratches.
5239 Delete code to manage the scratch list.
5240 * regs.h (scratch_list): Delete declaration.
5241 (scratch_block): Delete declaration.
5242 (scratch_list_length): Delete declaration.
5243 * reload1.c (reload): Delete code to manage the scratch list.
5244 (spill_hard_reg): Likewise.
5245 (mark_scratch_live): Delete.
5247 * recog.c (alter_subreg): Delete declaration.
5249 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5251 * Makefile.in (cccp.o): Fix typo in last patch.
5253 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5255 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5256 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5258 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5260 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5261 NULL_RTX as an argument.
5263 * Makefile.in (unlibsubdir): Define.
5264 (DRIVER_DEFINES): Use unlibsubdir.
5265 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5266 (stmp-fixinc): Similarly.
5268 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5270 * regmove.c (regmove_optimize): Add variable old_max_uid.
5271 At the end of the function, update basic_block_end.
5273 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5275 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5276 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5279 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5281 * config/arm/arm.c: Improve interworking support.
5283 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5285 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5286 copied from reload_out[r] .
5288 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5290 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5291 with more than three size ranges.
5293 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5295 * rtl.c (mode_name): Add a null string at the end of the array.
5296 (mode_wider_mode): Change type to unsigned char.
5297 (mode_mask_array): New variable.
5298 (init_rtl): Update for mode_wider_mode type change.
5300 * rtl.h (mode_wider_mode): Change type to unsigned char.
5301 (mode_mask_array): Declare.
5302 (GET_MODE_MASK): Use mode_mask_array.
5304 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5306 * calls.c (expand_call) : Encapsulate code into
5307 copy_blkmode_from_reg.
5308 * expr.c (copy_blkmode_from_reg): New function.
5309 * expr.h (copy_blkmode_from_reg): New function.
5310 * integrate.c (function_cannot_inline_p): We can inline
5312 (expand_inline_function): Use copy_blkmode_from_reg
5313 if needed. Avoid creating BLKmode REGs.
5314 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5317 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5319 * config/v850/v850.c: Add function prototypes.
5320 Add support for v850 special data areas.
5322 * config/v850/v850.h: Add support for v850 special data areas.
5324 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5325 HANDLE_PRAGMA_PACK_PUSH_POP.
5326 (push_alignment): New function: Cache an alignment requested
5327 by a #pragma pack(push,<n>).
5328 (pop_alignment): New function: Pop an alignment from the
5330 (insert_pack_attributes): New function: Generate __packed__
5331 and __aligned__ attributes for new decls whilst a #pragma pack
5333 (add_weak): New function: Cache a #pragma weak directive.
5334 (handle_pragma_token): Document calling conventions. Add
5335 support for #pragma pack(push,<n>) and #pragma pack (pop).
5337 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5338 are defined enable HANDLE_PRAGMA_PACK.
5339 Move 'struct weak_syms' here (from varasm.c).
5340 Add pragma states for push and pop pragmas.
5342 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5345 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5346 HANDLE_GENERIC_PRAGMAS.
5348 * varasm.c: Move definition of 'struct weak_syms' into
5350 (handle_pragma_weak): Deleted.
5352 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5354 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5356 * c-decl.c (start_function): Add invocation of
5357 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5359 * tm.texi: Remove description of non-existant macro
5360 SET_DEFAULT_SECTION_NAME.
5362 (HANDLE_SYSV_PRAGMA): Document.
5363 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5365 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5367 * config.sub: Recognize i[34567]86-pc-udk as new target.
5368 * configure.in: Likewise.
5369 * config/i386/t-udk: New file.
5370 * config/i386/udk.h: New file.
5372 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5374 * reorg.c (check_annul_list_true_false): Remove unused variables.
5375 (steal_delay_list_from_target): Add missing "used_annul" variable.
5376 (try_merge_delay_insns): Close out half formed comment.
5378 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5380 * cpplib.c (macroexpand): If arg->raw_before or
5381 arg->raw_after, remove any no-reexpansion escape at the
5382 beginning of the pasted token. Correct handling of whitespace
5383 markers and no-reexpand markers at the end if arg->raw_after.
5385 * toplev.c (documented_lang_options): Recognize -include,
5386 -imacros, -iwithprefix, -iwithprefixbefore.
5387 * cpplib.c (cpp_start_read): Process -imacros and -include
5388 switches at the same time and in command-line order, after
5389 initializing the dependency-output code. Emit properly nested
5390 #line directives for them. Emit a #line for the main file
5391 before processing these switches, and don't do it again
5394 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5396 * function.c (purge_addressof_1): Use bitfield manipulation
5397 routines to handle mem mode < reg mode.
5399 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5401 * reorg.c (try_merge_delay_insns): Account for resources referenced
5402 in each instruction in INSN's delay list before trying to eliminate
5403 useless instructions. Similarly when looking at a trial insn's delay
5406 * reorg.c (check_annul_list_true_false): New function.
5407 (steal_delay_list_from_{target,fallthrough}): Call it and also
5408 refine tests for when we may annul if already filled a slot.
5409 (fill_slots_from_thread): Likewise.
5410 (delete_from_delay_slot): Return newly-created thread.
5411 (try_merge_delay_isns): Use its new return value.
5413 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5415 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5416 used to compute a giv or as some other non-counting use.
5418 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5420 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5421 * local-alloc.c (find_free_reg): Use it.
5422 * global.c (find_reg): Likewise.
5423 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5425 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5426 * caller-save.c (init_caller_save): Use it.
5427 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5429 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5431 * configure.in: Add --enable-cpplib option which uses cpplib
5432 for cpp, but doesn't link cpplib into cc1. Make help text
5433 capitalization consistent.
5434 * configure: Rebuilt.
5436 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5438 * function.c (gen_mem_addressof): If the address REG is
5439 REG_USERVAR_P make the new REG be so also.
5440 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5441 in an attempt to clarify slightly.
5443 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5445 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5446 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5448 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5450 * toplev.c: Fix last patch.
5452 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5454 * loop.c (get_condition): Fix typo in May 9 change.
5456 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5458 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5460 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5462 * toplev.c (documented_lang_options): Spelling corrections.
5464 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5466 * configure.in: new flags --with-ld and --with-as, equivalent
5467 to setting LD and AS environment variables. Test whether
5468 specified arguments are GNU commands, and report them with
5469 checking messages. Use the specified AS for configure
5472 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5474 * gcc.c (find_a_file): when looking for `as' and `ld', return
5475 the DEFAULT program if it exists
5476 * collect2.c (main): use DEFAULT_LINKER if it exists
5478 * gcc.c (find_a_file): the test for existence of a full
5479 pathname was reversed
5481 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5483 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5484 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5486 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5488 * tree.h (TYPE_BINFO): Document.
5490 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5492 * i386-coff.h (dbxcoff.h): Added.
5494 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5496 * toplev.c: fix bad patch around flag_data_sections.
5498 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5500 * reload1.c (reload): Use reload_address_index_reg_class and
5501 reload_address_base_reg_class when setting
5502 caller_save_spill_class. (Patch generated by Jim Wilson:
5505 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5507 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5508 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5509 * expr.c (store_field): Add alias_set parameter. Set the
5510 MEM_ALIAS_SET accordingly, if the target is a MEM.
5511 (expand_assignment): Use it.
5512 (store_constructor_field): Pass 0.
5513 (expand_expr): Likewise.
5515 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5517 * flags.h: Add flag_data_sections.
5518 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5519 (compile_file): Error if flag_data_sections not supported.
5520 * varasm.c (assemble_variable): Handle flag_data_sections.
5521 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5522 * config/mips/elf.h: Likewise.
5523 * config/mips/elf64.h: Likewise.
5524 * invoke.texi: Describe -fdata-sections.
5526 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5528 * invoke.texi (-ffloat-store): Clarify that this option
5529 does not affect intermediate results -- only variables.
5531 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5533 * cpp.texi: Update for Fortran usage from Craig.
5535 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5537 * rs6000.c (function_arg_boundary): Revert accidental change on
5540 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5542 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5543 (output_mi_thunk): Declare.
5545 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5546 (output_function_profiler): Use r12 for temp, instead of r11 so
5547 that we preserve the static chain register.
5549 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5551 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5553 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5555 * sh.c (gen_shl_sext): Fix case 5.
5557 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5559 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5561 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5563 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5564 accessing variables until they are initialized via va_arg().
5566 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5568 * reload1.c (reload_combine): Initialize set before using.
5570 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5572 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5575 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5577 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5578 operand3 with mask before using it. Patch provided by Jim Wilson.
5580 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5582 * config/sparc/sparc.c (function_value): Perform the equivalent of
5583 PROMOTE_MODE for ARCH64.
5584 (eligible_for_epilogue_delay): Allow DImode operations in delay
5585 slot of a return for ARCH64.
5587 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5589 * sh.md (sqrtsf2): Fix mode of sqrt.
5591 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5593 * reload1.c (choose_reload_regs): Also try inheritance when
5594 reload_in is a stack slot of a pseudo, even if we already got a
5597 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5599 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5600 (reload_cse_regs): New function body: call reload_cse_regs_1,
5601 reload_combine, reload_cse_move2add.
5602 When doing expensive_optimizations, call reload_cse_regs_1 a
5603 second time after reload_cse_move2add.
5604 (reload_combine, reload_combine_note_store): New functions.
5605 (reload_combine_note_use): New function.
5606 (reload_cse_move2add, move2add_note_store): New functions.
5608 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5610 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5611 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5613 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5614 more than 3 such reloads.
5616 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5617 RELOAD_FOR_X_ADDR_ADDR reload.
5619 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5621 * expr.c (store_constructor): When initializing a field that is smaller
5622 than a word, at the start of a word, try to widen it to a full word.
5624 * cse.c (cse_insn): When we are about to change a register,
5625 remove any invalid references to it.
5627 (remove_invalid_subreg_refs): New function.
5628 (mention_regs): Special treatment for SUBREGs.
5629 (insert_regs): Don't strip SUBREG for call to mention_regs.
5630 Check if reg_tick needs to be bumped up before that call.
5631 (lookup_as_function): Try to match known word_mode constants when
5632 looking for a norrower constant.
5633 (canon_hash): Special treatment for SUBREGs.
5635 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5637 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5638 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5639 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5640 and offsets in actual stack trampoline code so they match the
5641 commentary and actually work.
5643 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5645 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5647 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5648 tmake_file. Set extra_parts to needed crt objects.
5649 * configure: Rebuilt.
5650 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5651 (TARGET_DEFAULT): Set if default is v9 or ultra.
5652 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5653 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5654 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5655 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5656 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5657 (TARGET_VERSION): Define.
5658 (MULTILIB_DEFAULT): Define.
5659 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5660 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5661 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5663 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5664 * config/sparc/sparc.c (sparc_override_options): If arch and
5665 pointer size disagree, emit diagnostic and fix it up. If
5666 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5667 V8PLUS in 64-bit mode.
5668 * config/sparc/t-linux64: New file.
5669 * config/sparc/t-sol2-64: New file.
5670 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5671 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5672 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5673 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5674 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5675 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5677 (STARTFILE_SPEC): Set approriately based upon those.
5678 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5679 disposition of DEFAULT_ARCH32_P.
5680 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5681 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5682 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5683 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5684 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5686 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5688 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5690 * rtl.h (init_virtual_regs): New function.
5691 * emit-rtl.c (init_virtual_regs): Define.
5692 (insn_emit): Use it.
5693 * integrate.c (save_for_inline_copying): Likewise.
5695 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5697 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5698 (enum reg_class): Add NONARG_LO_REGS support.
5699 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5700 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5701 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5702 completes. Re-enable HImode REG+OFFSET addresses.
5703 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5705 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5707 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5709 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5710 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5711 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5713 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5715 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5716 jumps as a single entity, taking into account the size of the
5719 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5721 * tree.def (SWITCH_EXPR): New tree node definition.
5723 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5725 * version.c: Bump for snapshot.
5727 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5729 * version.c: Bump for snapshot.
5731 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5733 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5736 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5738 * Revert this patch.
5739 * reload.c (find_reloads): Do not replace a pseudo with
5740 (MEM (reg_equiv_addr)) in the initializing insn for the
5743 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5745 * final.c (final_scan_insn): Disable tracking CC across branches.
5747 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5749 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5750 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5751 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5752 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5753 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5755 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5757 * toplev.c (rest_of_compilation): Skip compiling anything with
5758 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5760 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5762 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5763 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5764 use in_libcall_block.
5765 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5766 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5769 Mon Sep 21 14:02:23 1998
5771 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5772 typo in no-fancy-math-387 description.
5774 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5776 * version.c: Bump for snapshot.
5778 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5780 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5782 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5784 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5785 documented in install.texi.
5786 (TARGET_OPTIONS) Likewise.
5788 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5790 * version.c: Bump for snapshot.
5792 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5794 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5795 * cccp.c (main): Likewise.
5797 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5798 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5801 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5803 * Makefile.in (LIBS): Link in libiberty.a.
5804 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5806 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5808 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5809 it to update bb boundaries. Update caller.
5810 * function.c (reposition_prologue_and_epilogue_notes): Update
5811 bb boundaries wrt the moved note.
5813 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5815 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5817 * configure: Regenerate.
5819 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5821 * alpha.c (alpha_sr_alias_set): New variable.
5822 (override_options): Set it.
5823 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5824 (mode_mask_operand): Fix signed-unsigned comparision warning.
5825 (alpha_expand_block_move): Likewise.
5826 (print_operand): Likewise.
5827 (get_aligned_mem): Use change_address.
5828 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5829 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5830 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5831 (alpha_align_insns): Remade from old alphaev5_align_insns
5832 to handle multiple processors.
5833 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5834 * output.h (label_to_alignment): Prototype.
5836 * tree.c (new_alias_set): New function.
5837 * tree.h (new_alias_set): Declare it.
5838 * c-common.c (c_get_alias_set): Use it.
5840 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5842 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5843 to an ABS expr, convert an unsigned input to signed.
5845 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5847 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5849 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5851 * configure.in: Add support for c4x targets.
5852 * configure: Rebuilt.
5854 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5856 * combine.c (distribute_notes): If an insn is a cc0 user, only
5857 delete it if we can also delete the cc0 setter.
5859 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5861 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5862 (invert_truthvalue): Enable truthvalue inversion for
5863 floating-point operands if -ffast-math.
5865 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5867 * configure.in: Disable collect2 for nextstep. Instead use
5869 * configure: Rebuilt.
5870 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5871 (ENDFILE_SPEC): Define.
5872 (OBJECT_FORMAT_MACHO): Define.
5873 (EH_FRAME_SECTION_ASM_OP): Define.
5874 * crtstuff.c: Handle MACHO.
5876 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5878 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5880 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5882 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5883 (_fpadd_parts): Get sign right for 0.
5885 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5887 * ginclude/varargs.h: Add support for C4x target.
5888 * ginclude/stdargs.h: Likewise.
5890 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5892 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5893 (alpha_emit_set_long_const): Rewrite to be callable from reload
5895 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5896 * alpha.md (movdi): Likewise.
5898 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5900 * arm.c (add_constant): New parameter address_only, change caller.
5901 Set it non-zero if taking the address of an item in the pool.
5902 (arm_reorg): Handle cases where we need the address of an item in
5905 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5907 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5908 memory addresses that are not in standard canonical form.
5910 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5912 * README.C4X: New file with information about the c4x ports.
5913 * ginclude/va-c4x.h: New file for c4x varargs support.
5914 * config/c4x: New directory with c4x port files.
5916 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5918 * reload.c (find_reloads): Do not replace a pseudo with
5919 (MEM (reg_equiv_addr)) in the initializing insn for the
5922 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5924 * toplev.c (rest_of_compilation): Set bct_p on second call to
5926 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5928 (strength_reduce): Only call analyze_loop_iterations and
5929 insert_bct if bct_p set.
5930 (check_dbra_loop): Fix typo.
5931 (insert_bct): Use word_mode instead of SImode.
5932 (instrument_loop_bct): Likewise. Do not delete iteration count
5933 condition code generation insn. Initialize iteration count before
5935 * rtl.h (loop_optimize): Update prototype.
5937 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5938 not doubleword aligned.
5940 * rs6000.c (optimization_options): New function.
5941 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5942 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5943 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5944 first; cr1 can be used for FP record condition insns.
5946 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5948 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5951 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5954 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5956 (block_move_call): New function: Call a library routine to copy a
5958 (m32r_expand_block_move): New function: Expand a "movstrsi"
5959 pattern into a sequence of insns.
5960 (m32r_output_block_move): New function: Expand a
5961 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5962 (m32r_block_immediate_operand): New function: Return true if the
5963 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5965 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5967 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5969 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5971 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5973 * regmove.c (copy_src_to_dest): Check that modes match.
5975 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5977 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5979 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5981 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5982 narrower than FLOAT_REGS.
5984 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5986 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5988 * Makefile.in (old_gxx_include_dir): removed
5990 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5992 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5995 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5996 (sh_handle_pragma): Change function arguments to match new
5997 specification for HANDLE_PRAGMA.
5999 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6001 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6003 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6004 When generating output, initialize missing struct member to zero.
6006 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6008 * regmove.c (copy_src_to_dest): Don't copy if that requires
6009 (a) new register(s).
6011 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6013 * global.c (reg_allocno): Now static.
6014 * reload1.c (reg_allocno): Delete declaration.
6015 (order_regs_for_reload): Take no arguments. Don't treat regs
6016 allocated by global differently than those allocated by local-alloc.
6018 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6020 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6021 condition, fix format strings.
6022 (output_function_epilogue): Likewise.
6024 * m68k/m68k.c: Don't include <stdlib.h> directly.
6026 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6028 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6029 mem_first_set, mem_last_set; because 0 can be a CUID.
6030 (oprs_unchanged_p): Use new definition.
6031 (record_last_reg_set_info): Likewise.
6032 (record_last_mem_set_info): Likewise.
6033 (compute_hash_table): Likewise.
6035 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6037 * rs6000.c (output_epilogue): Handle Chill.
6039 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6040 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6042 * combine.c (make_extraction): If no mode is specified for
6043 an operand of insv, extv, or extzv, default it to word_mode.
6044 (simplify_comparison): Similarly.
6045 * expmed.c (store_bit_field): Similarly.
6046 (extract_bit_field): Similarly.
6047 * function.c (fixup_var_regs_1): Similarly.
6048 * recog.c (validate_replace_rtx_1): Similarly.
6049 * mips.md (extv, extzv, insv expanders): Default modes for most
6050 operands. Handle TARGET_64BIT.
6051 (movdi_uld, movdi_usd): New patterns.
6053 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6054 equivalent memory location unless we have been provided a scratch
6055 register. Similarly do not call find_replacement unless a
6056 scratch register has been provided.
6058 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6060 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6063 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6065 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6066 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6067 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6068 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6069 * c-decl.c (init_decl_processing): Update accordingly.
6070 * expr.c (expand_builtin): Likewise.
6072 * rtl.h (global_rtl): Add cfa entry.
6073 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6074 (LAST_VIRTUAL_REGISTER): Update.
6075 * emit-rtl.c (global_rtl): Add cfa entry.
6076 (init_emit): Initialize it.
6077 * function.c (cfa_offset): New.
6078 (instantiate_virtual_regs): Initialize it.
6079 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6080 (expand_function_end): Call expand_eh_return.
6081 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6083 * except.c (current_function_eh_stub_label): Kill.
6084 (current_function_eh_old_stub_label): Likwise; update all references.
6085 (expand_builtin_set_return_addr_reg): Kill.
6086 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6087 (expand_builtin_set_eh_regs): Kill.
6088 (eh_regs): Produce a third reg for the actual handler address.
6089 (eh_return_context, eh_return_stack_adjust): New.
6090 (eh_return_handler, eh_return_stub_label): New.
6091 (init_eh_for_function): Initialize them.
6092 (expand_builtin_eh_return, expand_eh_return): New.
6093 * except.h: Update prototypes.
6094 * flow.c (find_basic_blocks_1): Update references to the stub label.
6095 * function.h (struct function): Kill stub label elements.
6097 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6098 register number is one that would be in the previous window.
6099 Provide a dummy definition for non-windowed targets.
6100 (get_reg_addr): New function.
6101 (get_reg, put_reg, copy_reg): Use it.
6102 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6103 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6105 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6106 (alpha_init_expanders): Initialize it.
6107 (alpha_expand_epilogue): Use it.
6108 * alpha.h: Declare it.
6109 * alpha.md (eh_epilogue): New.
6111 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6112 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6114 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6116 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6119 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6121 * except.h (struct eh_entry): Add false_label field.
6122 (end_catch_handler): Add prototype.
6123 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6124 (start_catch_handler): When using old style exceptions, issue
6125 runtime typematch code before continuing with the handler.
6126 (end_catch_handler): New function, generates label after handler
6127 if needed by older style exceptions.
6128 (expand_start_all_catch): No need to check for new style exceptions.
6129 (output_exception_table_entry): Only output the first handler label
6130 for old style exceptions.
6131 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6132 mechanism into one function, if a runtime matcher is provided.
6134 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6136 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6138 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6140 * integrate.c (copy_decl_list): Fix typo.
6142 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6144 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6147 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6149 * version.c: Bump for snapshot.
6151 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6153 * version.c: Bump for snapshot.
6155 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6157 * version.c: Bump for snapshot.
6159 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6161 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6163 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6165 * configure.in: remove usage of `!' to negate the result of a
6166 command; some common shells do not support it
6168 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6170 * configure.in: in sparc9-sol2 config, use 'if test' not
6172 * configure: Rebuilt.
6174 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6176 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6177 (CPP_CPU_DEFAULT_SPEC): Likewise.
6178 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6179 for arch64 libfuncs.
6181 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6184 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6186 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6188 * collect2.c: Don't declare `sys_siglist' here.
6189 (my_strsignal): Prototype and define new function. Use it in
6190 place of `sys_siglist' hacks.
6192 * mips_tfile.c: Likewise.
6194 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6195 (GCC_NEED_DECLARATIONS): Likewise.
6197 * system.h (strsignal): Prototype it, if necessary.
6198 (sys_siglist): Declare it, if necessary.
6200 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6202 * loop.c (move_movables): While removing insn sequences, preserve
6203 the next pointer of the most recently deleted insn when we skip
6206 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6208 * objc/config-lang.in: Do not output the name of the selected
6209 thread file when building the front-end. The Makefile for the
6210 runtime library will do this.
6212 * objc/Make-lang.in: Do not build the runtime library or install
6213 the Objective C header files. The Makefile for the runtime
6214 library will do this.
6216 * objc/Makefile.in (all.indirect): Only build the front-end.
6217 (compiler): Rename to `frontend'.
6218 (obj-runtime): Remove target.
6219 (copy-headers): Likewise.
6220 (clean): No need to remove `libobjc.a' any longer.
6222 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6224 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6225 supported with -mcpu=xxx.
6227 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6229 * flow.c (mark_set_1): Recognize multi-register structure return
6230 values in CALL insns.
6231 (mark_used_regs): Likewise.
6232 (count_reg_sets_1): Likewise.
6233 (count_reg_references): Likewise.
6234 * rtlanal.c (note_stores): Likewise.
6235 (reg_overlap_mentioned_p): Likewise.
6236 * haifa-sched.c (check_live_1): Likewise.
6237 (update_live_1): Likewise.
6238 (sched_analyze_1): Likewise.
6239 (sched_note_set): Likewise.
6240 (birthing_insn_p): Likewise.
6241 (attach_deaths): Likewise.
6243 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6246 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6248 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6250 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6252 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6254 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6256 * configure.in: Add check for GAS subsection -1 support.
6257 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6258 * configure config.in: Rebuilt.
6259 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6260 SImode is subsection -1 works, else use DImode.
6261 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6262 subsection -1 works.
6263 * config/sparc/sparc.c (sparc_output_addr_vec,
6264 sparc_output_addr_diff_vec): Use them if defined.
6266 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6268 * tree.h (DECL_ORIGIN): New macro.
6269 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6270 (copy_decl_list): Use it.
6271 (integrate_parm_decls): Likewise.
6272 (integrate_decl_tree): Likewise.
6273 * dwarf2out.c (decl_ultimate_origin): Simplify.
6274 * dwarfout.c (decl_ultimate_origin): Likewise.
6275 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6276 (pushdecl): Likewise.
6278 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6280 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6282 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6284 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6286 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6288 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6289 empty or has a single entry.
6291 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6292 before calling reg_to_stack.
6294 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6296 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6297 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6299 * c-tree.h (warn_long_long): Declare it.
6301 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6303 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6304 initialized float-int union if the value is a NaN.
6306 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6308 * c-lex.c (real_yylex): Don't warn about long long constants if
6309 we're allowing long long
6311 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6313 * except.h (current_function_eh_stub_label): Declare.
6314 (current_function_eh_old_stub_label): Declare.
6315 * function.h (struct function): New members eh_stub_label and
6317 * except.c (current_function_eh_stub_label): New variable.
6318 (current_function_eh_old_stub_label): New variable.
6319 (init_eh_for_function): Clear them.
6320 (save_eh_status): Save them.
6321 (restore_eh_status): Restore them.
6322 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6323 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6324 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6325 make an edge from the block that contains it to the block starting
6326 with the label if this label is one of the eh stub labels.
6327 If eh stub labels exist, show they are reachable from the last block
6330 * reload1.c (reload): Break out several subroutines and make some
6332 (calculate_needs_all_insns): New function, broken out of reload.
6333 (calculate_needs): Likewise.
6334 (find_reload_regs): Likewise.
6335 (find_group): Likewise.
6336 (find_tworeg_group): Likewise.
6337 (something_needs_reloads): New global variable, formerly in reload.
6338 (something_needs_elimination): Likewise.
6339 (caller_save_spill_class): Likewise.
6340 (caller_save_group_size): Likewise.
6341 (max_needs): Likewise.
6342 (group_size): Likewise.
6343 (max_groups): Likewise.
6344 (max_nongroups): Likewise.
6345 (group_mode): Likewise.
6346 (max_needs_insn): Likewise.
6347 (max_groups_insn): Likewise.
6348 (max_nongroups_insn): Likewise.
6349 (failure): Likewise.
6351 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6353 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6355 * loop.c (load_mems): Copy rtx for output mem.
6357 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6359 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6360 mips1 or mips2 either.
6362 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6364 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6366 (pa_adjust_insn_length): Update to work with new marking scheme
6367 for jumps inside switch tables.
6368 * pa.md (switch_jump): Remove pattern.
6369 (jump): Handle jumps inside jump tables.
6371 * Makefile.in (profile.o): Depend on insn-config.h
6373 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6375 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6377 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6379 Add preliminary native sparcv9 Solaris support.
6380 * configure.in: Recognize sparv9-*-solaris2*
6381 * configure: rebuilt
6382 * config.sub: Recognize sparcv9 just like sparc64.
6383 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6384 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6385 32-bit and 64-bit Solaris systems.
6386 * config/sparc/t-sol2: Assemble those with cpp.
6387 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6388 (*TF*_LIBCALL): If ARCH64 use V9 names.
6389 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6391 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6393 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6394 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6396 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6398 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6399 to Pmode if CASE_VECTOR_MODE is something else.
6401 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6403 * prefix.c (update_path): Correctly handle cases where PATH is
6404 a substring of the builtin prefix, but specifies a different
6407 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6409 * expr.c: Corrected comment about what MOVE_RATIO does.
6410 * config/alpha/alpha.h: Ditto.
6411 * config/1750a/1750a.h: Ditto.
6412 * config/clipper/clipper.h: Ditto.
6413 * config/i386/i386.h: Ditto.
6415 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6417 * configure.in (m68k-next-nextstep3*): Use collect2.
6418 Similarly for x86 NeXT configurations.
6419 * configure: Rebuilt.
6421 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6423 * configure.in: Don't assume srcdir is .../gcc
6424 * configure: Rebuilt.
6426 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6428 * global.c: Update comments.
6429 (global_alloc): Assign allocation-numbers
6430 even for registers allocated by local_alloc in case
6431 they are later spilled and retry_global_alloc is called.
6432 (mark_reg_store, mark_reg_clobber,
6433 mark_reg_conflicts, mark_reg_death): Always record a
6434 conflict with a pseudo register even if it has been
6435 assigned to a hard register.
6436 (dump_conflicts): Don't list pseudo registers already assigned to
6437 a hard register as needing to be allocated, but do list their
6439 * local-alloc.c: Update comment.
6441 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6443 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6444 * configure: Rebuilt.
6446 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6448 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6450 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6451 for all targets that set -msoft-float.
6453 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6455 * toplev.c (print_switch_values): Make static to match prototype.
6457 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6459 * configure.in: If we are unable to find the "gnatbind" program,
6460 then do not configure the ada subdir.
6461 * configure: Rebuilt.
6463 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6465 * version.c: Bump for snapshot.
6467 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6469 * version.c: Bump for snapshot.
6471 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6473 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6474 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6476 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6478 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6480 * genextract.c: Have insn-extract.c include toplev.h.
6482 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6484 * toplev.c: Include expr.h.
6485 (really_sorry, fancy_abort): Remove prototypes.
6486 (set_target_switch): Add argument in prototype.
6487 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6488 (v_really_sorry): Likewise.
6489 (print_version, print_single_switch, print_switch_values): Make
6490 static and add prototype arguments.
6491 (decl_printable_name): Add prototype arguments.
6492 (lang_expand_expr_t): New typedef.
6493 (lang_expand_expr): Declare as a lang_expand_expr_t.
6494 (incomplete_decl_finalize_hook): Add prototype argument.
6495 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6496 (botch): Likewise for variable `s'.
6497 (rest_of_type_compilation): Mark variables `type' and `toplev'
6498 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6499 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6500 (display_help): Make variable `i' an `unsigned long'.
6501 (main): Remove unused parameter `envp'.
6502 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6503 Cast -1 when comparing it with a `size_t'.
6505 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6506 prototype with ATTRIBUTE_NORETURN.
6507 (fatal_insn_not_found, fatal_insn, really_sorry,
6508 push_float_handler, pop_float_handler): Add prototypes.
6509 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6510 (do_abort, botch): Add prototypes.
6512 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6514 * final.c (final): If a label is reached only from a single jump,
6515 call NOTICE_UPDATE_CC on the jump and its predecessor before
6516 emitting the insn after the label.
6518 * i386.h: Add AMD K6 support.
6519 Change TARGET_* macros to use table lookup.
6520 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6521 (ADJUST_COST): Change definition to call function in i386.c.
6522 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6523 * i386.c: Add AMD K6 support.
6524 Add constants for feature tests used by TARGET_* macros.
6525 (split_di): If before reload, call gen_lowpart and gen_highpart.
6526 (x86_adjust_cost): New function.
6527 (put_jump_code): New function.
6528 (print_operand): New codes 'D' and 'd'.
6529 * i386.md: New insn types. New insn attribute "memory".
6530 Redefine scheduling parameters to use new types and add AMD K6
6531 support. Explicitly set type of most insns.
6532 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6533 Pro and K6 prefer movl $1,reg to incl reg.
6534 (adddi3, subdi3): Set cc_status.
6535 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6536 to int; x86 can't have more than 2^31 DImode shifts per file.
6537 (setcc): Combine all setcc patterns. Allow writing memory.
6538 Combine all jump patterns using match_operator.
6539 (*bzero): Name pattern. Emit mutliple stos instructions when that
6540 is faster than rep stos.
6541 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6544 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6546 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6549 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6551 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6552 not whatever we're generating now.
6554 * alpha.c (set_frame_related_p, FRP): New.
6555 (alpha_expand_prologue): Mark frame related insns.
6556 (alpha_expand_epilogue): Likewise, but with a null FRP.
6557 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6558 * alpha.md (exception_receiver): New.
6559 * alpha/crtbegin.asm (.eh_frame): New beginning.
6560 (__do_frame_setup, __do_frame_takedown): New.
6561 * alpha/crtend.asm (.eh_frame): New ending.
6562 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6563 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6564 (ASM_FILE_START): Don't emit .file for dwarf2.
6566 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6567 * rtl.c (reg_note_name): Likewise.
6568 * rtl.texi (REG_NOTES): Likewise.
6569 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6572 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6574 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6575 * i386.md (movsf, movdf, movxf): Validate memory address returned
6576 from force_const_mem. Kill useless REG_EQUAL setting code.
6578 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6580 * m68k.md (zero_extendsidi2): Fix typo.
6582 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6584 * configure.in: Removed references to the removed file
6585 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6586 * arm*-*-netbsd* and ns32k-*-netbsd*.
6587 * config/i386/xm-netbsd.h: Removed unnecessary file.
6588 * config/m68k/xm-netbsd.h: Likewise.
6589 * config/sparc/xm-netbsd.h: Likewise.
6590 * config/mips/xm-netbsd.h: Likewise.
6592 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6594 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6595 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6597 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6598 for exact section attributions.
6600 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6602 * i386/crtdll.h (CPP_PREDEFINES): Define.
6604 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6606 * m68k.md (5200 movqi): Do not allow byte sized memory references
6608 * m68k.c (output_move_qimode): Do not use byte sized operations on
6611 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6612 explicit rules for building. Similarly for alloca, vfprintf,
6613 choose-temp and mkstemp, getopt, getopt1, and obstack.
6614 (INCLUDES): Add $(srcdir)/../include.
6615 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6616 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6618 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6620 * gcc.c (do_spec_1): [case 'o'] Account for
6621 lang_specific_extra_outfiles.
6622 (main): Correctly clear all slots in outfiles for
6623 lang_specific_extra_outfiles. Set input_file_number before
6624 calling lang_specific_pre_link.
6626 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6628 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6630 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6632 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6634 (sparc_output_deferred_case_vectors): If no work to do, return.
6635 Fix thinko in Sept 1 change.
6637 1998-09-03 SL Baur <steve@altair.xemacs.org>
6639 * Makefile.in: add semicolon in BISON definition for portability.
6641 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6643 * config/nextstep.c (handle_pragma): Correct name of third
6646 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6648 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6649 * config/m32r/m32r.h: Make register 17 be fixed.
6650 * config/m32r/m32r.c: Use SImode for cc operations.
6652 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6654 * invoke.texi (Warning Options): Add -Wnon-template-friend
6657 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6659 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6661 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6663 * rs6000.md (movsf): Disable explicit secondary-reload-like
6664 functionality if TARGET_POWERPC64.
6665 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6668 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6670 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6671 and term.h from fixinc.wrap.
6673 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6675 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6676 safe to include both string.h and strings.h together.
6677 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6678 which headers to search for function declarations. Continue to
6679 prefer string.h over strings.h when both are not acceptable.
6681 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6683 * configure.in: Call GCC_HEADER_STRING.
6685 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6686 to include. Continue to prefer string.h over strings.h when both
6689 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6691 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6692 not assume top 32-bits of symbolic addresses are zero if
6695 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6697 * ginclude/va-alpha.h: Protect entire second portion of the
6698 file against double inclusion.
6700 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6702 Added support for the Boehm's garbage collector.
6703 * configure.in: Handle --enable-objc-gc.
6704 * configure: Rebuilt.
6705 * Makefile.in (CHECK_TARGETS): Add check-objc.
6706 (check-objc): New rule.
6707 * objc/Make-lang.in: Build a different Objective-C library that
6708 runs with the Boehm's collector.
6709 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6710 * objc/encoding.c: Correctly compute the size of compound types in
6711 the presence of bitfields. Skip the variable name of the type if
6712 any. Added support for long long.
6713 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6714 (_F_GCINVISIBLE): New mask.
6715 * objc/gc.c: New file. Compute the type memory mask associated with
6716 a class based on the runtime information.
6717 * objc/misc.c: Added the hooks that use the Boehm's collector
6718 allocation functions.
6719 * objc/objc-act.c (build_class_template): Generate a new class
6720 member (gc_object_type) to hold the class' type memory mask.
6721 (build_shared_structure_initializer): Initialize the new member to
6723 (encode_complete_bitfield): New function. Generate the new
6725 (encode_field_decl): Generate the new encoding only for the GNU
6727 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6729 (class_get_gc_object_type): New function to mark a pointer instance
6730 variable as a weak pointer.
6731 * objc/objc-features.texi: New file.
6732 * objc/objc.h (gc_object_type): New class member.
6733 * objc/objects.c (class_create_instance): Create a typed memory
6734 object when compiled with Boehm's collector support.
6735 * objc/sendmsg.c (__objc_init_install_dtable): Call
6736 __objc_send_initialize instead of setting the initialize flag.
6737 (__objc_send_initialize): Call __objc_generate_gc_type_description
6738 to generate the class type memory mask. Rewrite the code that
6739 sends the +initialize so that it is called only once (bug report
6740 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6741 * testsuite/objc: New testsuite for Objective-C type encoding.
6742 * testsuite/lib/objc-torture.exp: New file.
6743 * testsuite/lib/objc.exp: New file.
6745 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6747 * jump.c (jump_optimize): In if/then/else transformations, add
6748 another call to modified_between_p for the jump insn.
6750 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6752 * fix-header.c (symlink): Treat like readlink.
6754 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6756 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6759 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6761 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6762 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6763 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6765 * config/nextstep.c (handle_pragma): Take three arguments, as per
6766 the new HANDLE_PRAGMA macro specification.
6767 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6768 per the new HANDLE_PRAGMA macro specification.
6769 * config/i960/i960.c (process_pragma): Take three arguments, as
6770 per the new HANDLE_PRAGMA macro specification.
6772 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6774 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6775 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6776 if unknown pragmas are encountered.
6777 (handle_sysv_pragma): Interpret return code from
6778 handle_pragma_token (). Return success/failure indication rather
6779 than next unprocessed character.
6780 (pragma_getc): New function: retrieves characters from the
6781 input stream. Defined when HANDLE_PRAGMA is enabled.
6782 (pragma_ungetc): New function: replaces characters back into the
6783 input stream. Defined when HANDLE_PRAGMA is enabled.
6785 * c-pragma.c (handle_pragma_token): Return success/failure status
6788 * c-pragma.h: Change prototype of handle_pragma_token().
6790 * varasm.c: (handle_pragma_weak): Only create this function if
6791 HANDLE_PRAGMA_WEAK is defined.
6793 * c-common,c (decl_attributes): If defined call the expression
6794 contained within the INSERT_ATTRIBUTES macro before adding
6795 attributes to a decl.
6797 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6798 HANDLE_PRAGMA, which takes three arguments.
6799 (INSERT_ATTRIBUTES): Document this new macro.
6801 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6802 new INSERT_ATTRIBUTES macro.
6804 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6806 * config/sparc/sparc.md (movdf): Only generate special RTL for
6807 LABEL_REFs when PIC.
6808 (move_label_di): Remove
6809 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6810 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6811 references when PIC.
6812 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6813 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6814 output an .xword for all 64-bit cases.
6816 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6818 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6819 alignment, use FUNCTION_BOUNDARY instead.
6820 (sparc_output_deferred_case_vectors): Likewise.
6822 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6824 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6825 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6827 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6829 * alpha/va_list.h: New file.
6830 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6832 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6834 * NEWS: Add SCO Openserver and Unixware 7 notes.
6838 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6840 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6841 (record_constant_1): Handle RANGE_EXPR.
6843 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6845 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6846 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6847 and NOTE_INSN_RANGE_END specially.
6848 (reemit_notes): Likewise.
6850 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6852 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6853 (ultrasparc_sched_init): Remove unneeded &.
6855 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6857 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6858 for m68020-60, to prevent the use of fintrz.
6860 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6862 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6864 * Makefile.in: Likewise.
6865 * configure: Regenerated.
6867 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6869 * configure.in (gxx_include_dir): Changed to
6870 '${prefix}/include/g++'-${libstdcxx_interface}.
6871 * configure: Rebuilt.
6873 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6875 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6877 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6878 *sequences* *below* which scalar moves will be used.
6880 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6882 * collect2.c (mktemp): Delete unused declaration.
6884 * config/xm-netbsd.h: Remove unnecessary file.
6885 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6886 file anymore, it is not needed.
6888 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6890 * convert.c (convert_to_integer): Issue an error on conversions to
6893 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6895 * Makefile.in: Add lang_tree_files and gencheck.h.
6896 * configure.in: Generate them.
6897 * gencheck.c: Include gencheck.h.
6899 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6901 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6902 movdi_lo_sum_pic and movdi_high_pic and make visible.
6903 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6904 emit these when Pmode is not SImode.
6905 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6907 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6909 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6910 .linkonce directive after the first time.
6912 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6914 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6915 the clobbered operand overlaps with an input.
6916 (bne0_di): Similarly.
6918 * Makefile.in (INSTALL): Remove "--no-header" argument.
6920 * NEWS: Various updates.
6922 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6924 * config/sparc/sparc.c (arith_operand, const64_operand,
6925 const64_high_operand, arith_double_4096_operand): Mark mode as
6927 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6929 (sparc_emit_set_const64): Remove unused variable i.
6930 (sparc_splitdi_legitimate): Likewise for addr_part.
6931 (ultra_code_from_mask): Likewise for mask.
6932 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6933 reverse return values so it matches usage and comments.
6934 (ultra_flush_pipeline): Likewise.
6935 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6936 this_type, and allow loads and stores of differing FP modes as
6937 they do not create a conflict.
6938 (ultra_find_type): Initialize fpmode to SFmode, fix
6939 parenthesization thinkos in large conditional.
6940 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6941 Init free_slot_mask after ultra_cur_hist is reset, not before.
6942 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6943 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6944 use ultra_flush_pipeline instead, then re-init group pointer.
6945 Fix statement with no effect. If no progress made in, and no
6946 instructions scheduled at all, advance to new pipeline cycle else
6947 we get into an endless loop.
6948 (ultrasparc_adjust_cost): Remove previous arg.
6949 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6951 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6953 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6954 code. Use reg_overlap_mentioned_p to detect when source and
6955 destination overlap.
6956 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6958 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6960 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6961 COMPARISON_VAL, into invariant_p.
6963 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6965 * regmove.c (regclass_compatible_p): New function.
6966 (regmove_optimize): Use it.
6968 Use NREGS parameter insted of calling max_reg_num.
6970 (fixup_match_1): Don't use code = MINUS when later tieing with
6971 a hard register is likely.
6973 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6975 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6976 COMPARISON_VAL was normalized.
6978 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6980 * loop.c (check_dbra_loop): The loop ending comparison value
6981 must be an invariant or we can not reverse the loop.
6983 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6984 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6986 (load_mems_and_recount_loop_regs_set): Likewise.
6988 * i386.c (print_operand): Remove obsolete 'c' docs.
6990 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6992 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6993 * frame.c (init_object_mutex): New function.
6994 (init_object_mutex_once): Likewise.
6995 (find_fde): Call it.
6996 (__register_frame_info): Likewise.
6997 (__register_frame_info_table): Likewise.
6998 (__deregister_frame_info): Likewise.
7000 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7002 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7004 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7006 * loop.c (check_dbra_loop): Enable code for reversal
7007 of some loops without a known constant loop end.
7009 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7011 * haifa-sched.c (last_clock_var): New.
7012 (schedule_block): Initialize it.
7013 (schedule_insn): Use it to fill insn modes with issue information.
7015 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7016 Tag trapb and next insn with TImode.
7017 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7018 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7019 Invoke alphaev5_align_insns as appropriate.
7020 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7021 (MD_SCHED_VARIABLE_ISSUE): New.
7022 * alpha.md (attr type): Add multi.
7023 (define_asm_attributes): New.
7024 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7025 (arg_home): Likewise.
7026 (fnop, unop, realign): New.
7028 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7030 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7031 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7033 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7034 (rs6000-ibm-aix4.[12]*): Likewise.
7035 * configure: Regnerate.
7037 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7039 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7040 already contains the return address.
7042 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7044 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7045 word sized hunks when loading unaligned args into registers.
7047 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7048 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7050 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7052 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7054 * loop.c (check_dbra_loop): Add some code that would allow reversal
7055 of some loops without a known constant loop end if it were enabled.
7057 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7059 * mips.md (lshrsi3_internal2+2): Fix type-o.
7061 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7063 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7064 correctly with regards to stdio.h.
7066 * calls.c: Remove stdarg.h/varargs.h.
7069 * combine.c: Likewise.
7070 * cpperror.c: Likewise.
7071 * cpplib.c: Likewise.
7072 * cpplib.h: Likewise.
7073 * doprint.c: Likewise.
7074 * emit-rtl.c: Likewise.
7075 * final.c: Likewise.
7076 * fix-header.c: Likewise.
7078 * genattr.c: Likewise.
7079 * genattrtab.c: Likewise.
7080 * gencodes.c: Likewise.
7081 * genconfig.c: Likewise.
7082 * genemit.c: Likewise.
7083 * genextract.c: Likewise.
7084 * genflags.c: Likewise.
7085 * genopinit.c: Likewise.
7086 * genoutput.c: Likewise.
7087 * genpeep.c: Likewise.
7088 * genrecog.c: Likewise.
7089 * mips-tfile.c: Likewise.
7090 * prefix.c: Likewise.
7091 * protoize.c: Likewise.
7092 * regmove.c: Likewise.
7093 * toplev.c: Likewise.
7096 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7098 * config/sparc/sparc.c (sparc_override_options): If not
7099 TARGET_FPU, turn off TARGET_VIS.
7100 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7101 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7102 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7103 (movdi_insn_sp64): Add VIS fzero alternative.
7104 (clear_sf, clear_df): New VIS patterns.
7105 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7107 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7109 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7111 * loop.c (n_times_set, n_times_used, may_not_optimize,
7112 reg_single_usage): Convert to varrays. All uses changed.
7113 (insert_loop_mem): Return a value.
7114 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7115 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7118 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7121 * configure.in: Do not set thread_file to "irix" since no such
7124 * sparc.md (float abs/neg splits): Check reload_completed before
7125 calling alter_subreg.
7127 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7129 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7131 * config/sparc/sparc.h: Declare it.
7132 * config/sparc/sparc.md (float abs/neg splits): Use it.
7133 (all other splits): Handle SUBREGs properly where necessary.
7134 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7136 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7138 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7139 an insn on the unfilled_slots_list that has no delay slots.
7140 (fill_eager_delay_slots): Similarly.
7142 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7144 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7145 as an ordinary operand.
7147 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7149 * tree.c (valid_machine_attribute): Don't apply attributes to both
7152 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7154 * reload.c (operands_match_p): Handle rtvecs.
7156 * i386.c (legitimate_pic_address_disp_p): New.
7157 (legitimate_address_p): Use it.
7158 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7159 Handle constant pool symbols just like statics.
7160 (emit_pic_move): Use Pmode not SImode for clarity.
7161 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7162 [UNSPEC]: New, handling what we killed above.
7163 [PLUS]: Detect and abort on invalid symbol arithmetic.
7164 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7166 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7168 * alias.c: Include output.h.
7169 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7170 different if we're in a varargs function.
7171 * Makefile.in (alias.o): Depend on output.h
7173 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7175 * sh.h (GIV_SORT_CRITERION): Delete.
7177 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7179 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7180 * stupid.c (stupid_life_analysis): Ditto.
7181 * reload1.c (reload): Ditto.
7183 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7185 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7186 arith_double_4096_operand, arith_double_add_operand): New
7188 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7189 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7190 them to transform add/sub 4096 into add/sub -4096.
7192 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7194 * loop.c (scan_loop): Allocate some slop to handle pseudos
7195 generated by move_movables.
7196 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7199 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7201 * tree.def (DECL_RESULT): Correct documentation.
7203 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7205 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7206 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7207 conflicts will all RELOAD_FOR_OUTPUT reloads.
7209 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7210 loads the function result, substitute with a USE.
7212 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7214 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7215 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7216 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7217 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7218 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7219 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7221 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7222 'o' to 'm' for GPR variant constraints.
7224 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7226 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7228 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7230 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7231 when the source and destination overlap.
7233 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7234 clash with global type.
7236 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7238 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7240 * c-common.c (combine_strings): Also set TREE_READONLY.
7241 Change warn_write_strings to flag_const_strings.
7242 * c-decl.c, c-tree.h: Likewise.
7244 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7246 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7247 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7248 sequence, use SET/IOR instead so CSE can see it.
7249 * config/sparc/sparc.md (movhi_const64_special,
7250 movsi_const64_special): New patterns necessitated by that change.
7251 (movhi_high): Remove.
7252 (movhi_lo_sum): Change to match an IOR.
7253 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7254 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7255 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7256 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7257 registers are involved.
7258 (snesi_zero_extend split): Remove reload_completed test.
7259 (unnamed plus and minus zero_extend sidi splits): Add it.
7261 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7263 * extend.texi: Remove description of extension to explicit
7264 instantiation that is now endorsed by standard C++.
7266 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7268 * config/arc/arc.c (arc_initialize_pic): Remove.
7269 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7270 nothing on any platform and is invoked by no-one, it does not even
7271 appear in the documentation.
7272 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7273 * config/sparc/sparc.c (initialize_pic): Likewise.
7274 (find_addr_reg): Remove this as well, no longer referenced after
7277 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7279 * recog.c (validate_replace_rtx_group): New function.
7280 * recog.h (validate_replace_rtx_group): Declare it.
7281 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7282 the entire group of substitutions.
7284 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7286 * loop.c (load_mems): Fix initializers.
7288 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7290 * config/sparc/sparc.md (TFmode splits): Handle destination
7291 registers being referenced in the address correctly.
7293 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7294 TREE_UNSIGNED, when bitsize of type's mode is larger than
7295 HOST_BITS_PER_WIDE_INT.
7297 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7299 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7300 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7301 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7303 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7306 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7308 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7309 * h8300.h (TINY_DATA_NAME_P): Likewise.
7310 (STRIP_NAME_ENCODING): Handle '&'.
7312 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7313 register (it could be accessed via an outer SUBREG).
7314 (REG_OK_FOR_BASE_P): Likewwise.
7315 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7317 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7320 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7322 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7324 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7325 must be offsettable so the splits can be made.
7327 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7329 * config/i386/winnt.c: Include system.h, not stdio.h to get
7330 sys/param.h pulled in before rtl.h in case the system defines MIN
7333 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7335 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7337 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7339 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7341 * cpplib.c (cpp_define): Handle macros with parameters.
7343 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7345 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7346 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7347 and DImode 64-bit. Use llong for minimal-toc SFmode and
7348 SYMBOL_REF / LABEL_REF 64-bit.
7349 (output_function_profiler): Use llong for profiler label and ld to
7350 load 64-bit label address.
7352 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7354 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7357 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7359 * version.c: Bump for snapshot.
7361 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7363 * version.c: Bump for snapshot.
7365 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7367 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7369 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7371 * tm.texi (Misc): Fix typo "teh".
7373 * tm.texi (PIC): Fix typo "PPIC".
7375 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7376 effect when -O2 and higher.
7377 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7379 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7381 * regclass.c: Changed register set documentation to be consistent
7384 * final.c (final_start_function) Removed redundant test for
7387 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7389 * rtl.h (rtx_function): New type.
7390 (for_each_rtx): New function.
7391 * rtlanal.c (for_each_rtx): Define it.
7393 * recog.c (change_t): New type.
7394 (change_objects, change_old_codes, change_locs, change_olds):
7396 (changes): New variable.
7397 (validate_change): Dynamically allocate room for more changes, if
7398 necessary. Uses changes array instead of change_objects, etc.
7399 (apply_change_group): Use changes array instead of
7400 change_objects, etc.
7402 * loop.c (loop_mem_info): New type.
7403 (loop_mems): New variable.
7404 (loop_mems_idx): Likewise.
7405 (looop_mems_allocated): Likewise.
7406 (scan_loop): Remove nregs parameter.
7407 (next_insn_in_loop): New function.
7408 (load_mems_and_recount_loop_regs_set): Likewise.
7409 (load_mems): Likewise.
7410 (insert_loop_mem): Likewise.
7411 (replace_loop_mem): Likewise.
7412 (replace_label): Likewise.
7413 (INSN_IN_RANGE_P): New macro.
7414 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7415 (scan_loop): Remove nregs parameter, compute it after any new
7416 registers are created by load_mems. Use INSN_IN_RANGE_P and
7417 next_insn_in_loop rather than expanding them inline. Call
7418 load_mems to load memory into pseudos, if appropriate.
7419 (prescan_loop): Figure out whether or not there are jumps from the
7420 loop to targets other than the label immediately following the
7421 loop. Call insert_loop_mem to notice all the MEMs used in the
7422 loop, if it could be safe to pull MEMs into REGs for the duration
7424 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7426 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7428 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7430 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7432 * config/sparc/sparc.c (finalize_pic): Check for the correct
7433 nonlocal_goto_receiver UNSPEC number.
7434 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7435 making note of this dependency existing in sparc.c
7436 (negtf2_notv9 split): Give NEG SFmode.
7437 (negsf2): Fix insn output string.
7439 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7441 * c-common.c (decl_attributes): Issue an error if the argument
7442 to alias is not a string.
7444 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7446 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7447 pending memory flush list.
7449 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7451 (try_combine): Allow combining insns with REG_LIBCALL notes.
7453 * expr.c (emit_block_move): Do not call memcpy as a libcall
7454 instead build up a CALL_EXPR and call it like any other
7456 (clear_storage): Similarly for memset.
7458 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7461 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7464 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7465 and REG_LIVE_LENGTH as successful substitutions are made.
7467 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7469 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7470 statement after end of loop label.
7472 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7474 * config/sparc/sparc.c (ultra_types_avail): New variable.
7475 (ultra_build_types_avail): New function to record mask of insn
7476 types in ready list at this cycle.
7477 (ultrasparc_sched_reorder): Call it.
7478 (ultra_find_type): Use it to quicken the search. Also simplif
7479 dependency check, don't use rtx_equal_p because we know exactly
7480 what we are looking for.
7482 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7484 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7485 for architecture v4.
7487 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7489 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7491 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7492 movdf_const_intreg and helper splits): New patterns to move float
7493 constants into integer registers.
7494 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7497 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7500 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7502 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7504 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7505 a BASE_REGS register is needed as an intermediate when copying
7506 a symbolic value into any register class other than BASE_REGS.
7508 * expr.c (move_by_pieces): No longer static. Remove prototype.
7509 * rtl.h (move_by_pieces): Add extern prototype.
7510 * mips.c (expand_block_move): Handle aligned straight line copy by
7511 calling move_by_pieces.
7513 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7516 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7518 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7519 jumps out of the loop to be treated as part of the exit test.
7521 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7522 Jeff Law <law@cygnus.com>
7524 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7525 * cplus-dem.c: Delete.
7527 * Makefile.in (fold-const.o): depend on $(RTL_H).
7529 * fold-const.c: Include rtl.h to get the prototype for
7530 `set_identifier_local_value'.
7532 * loop.c (express_from_1): Remove unused variable `tmp'.
7533 (combine_givs): cast the first argument of bzero to char *.
7535 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7537 * c-decl.c (init_decl_processing): Remove unneeded &.
7539 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7541 * except.c (set_exception_lang_code, set_exception_version_code):
7542 Change parameter from `short' to `int' to avoid using a gcc
7545 * except.h (set_exception_lang_code, set_exception_version_code):
7546 Likewise for prototypes.
7548 * flow.c (count_reg_references): Remove unused variables `regno'
7551 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7553 * prefix.c (translate_name): Cast the result of `alloca'.
7555 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7557 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7559 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7561 (valid_dbcc_comparison_p): Mark mode argument as unused.
7562 (symbolic_operand): Likewise.
7563 (legitimize_pic_address): Likewise.
7564 (const_uint32_operand): Likewise.
7565 (const_sint32_operand): Likewise.
7566 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7567 schedule_insns and comment out rest of file.
7569 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7571 (output_move_[hq]imode): Likewise.
7573 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7575 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7576 * invoke.texi: Corresponding changes.
7578 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7580 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7582 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7584 * config/sparc/sparc.c (ultra_code_from_mask,
7585 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7586 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7587 ultrasparc_sched_init, ultrasparc_variable_issue,
7588 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7589 functions to describe UltraSPARC pipeline exactly to Haifa.
7590 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7591 as there is nothing the scheduler can do about it. Indicate that
7592 REG_DEP_OUTPUT's collide. Fixup formatting.
7593 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7594 divide costs on Ultra for DImode.
7595 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7597 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7598 ieuN and add call_no_delay_slot to type list.
7599 (cti function unit): New unit for branches on UltraSPARC.
7600 (subx/addx insns): Set type to misc.
7601 (sidi zero/sign extension insns on arch64): Set type to shift.
7602 (sign_extendhidi2_insn): Set type to sload.
7604 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7606 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7607 (output_epilog): Use if != 0 for offset.
7608 (rs6000_fatal_bad_address): Prepare for Intl.
7609 * rs6000.h (rs6000_fatal_bad_address): Declare.
7610 * rs6000.md (movsfcc, movdfcc): Use else if.
7611 (elf_high): Use {liu|lis}.
7612 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7613 (movsi): Use rs6000_fatal_bad_address.
7615 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7617 * reload.c (find_equiv_reg): Reject equivalences separated
7618 by a volatile instruction.
7620 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7622 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7624 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7626 * alpha.md (movsicc): Fix mode mismatch.
7628 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7630 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7632 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7634 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7636 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7637 write-only modifier from operand 1 constraint.
7639 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7641 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7642 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7644 (sparc_emit_set_const64): Likewise, also when computing trailing
7645 bits do not negate low_bits and make fast_int an int.
7647 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7649 * loop.c (add_label_notes): Do not ignore references to labels
7650 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7651 * gcse.c (add_label_notes): Similarly.
7653 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7655 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7656 (adddi_dishl32): Similarly.
7658 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7660 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7661 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7662 * cse.c (cse_basic_block): Add parens to shut up warnings.
7664 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7666 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7667 sparc_emit_set_const64_longway, const64_is_2insns,
7668 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7669 in 64-bit constant formation.
7670 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7671 rtl for addx not subx.
7672 (define_insn movdi_const64_special): Make available even when
7673 HOST_BITS_PER_WIDE_INT is not 64.
7674 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7675 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7676 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7677 instances of operand 1 inside a QI subreg.
7678 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7679 (one_cmpldi2_sp64): Fix output string.
7680 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7682 (unnamed arch64 ashift DI): Truncate shift count if greater than
7685 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7687 * expr.c (store_expr): Don't optimize away load-store pair
7688 when either source or destination have a side effect.
7690 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7692 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7693 operands of SET are incompatible.
7695 * alpha.md: Fix max and min patterns so modes of SET operands match.
7697 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7699 * configure.in: Avoid [[ by using test and changequote.
7700 * configure: Rebuild.
7702 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7704 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7706 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7707 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7708 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7709 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7710 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7711 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7712 Fix mismatching modes in SET operands.
7713 (conditional move patterns): Fix formatting.
7714 (unnamed subx arch64 pattern): Remove duplicate insn.
7716 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7718 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7719 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7720 (input_operand): Fixup test for what we accept for constant
7722 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7724 (safe_constDI): Remove.
7725 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7726 gen_safe_XOR64): New functions.
7727 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7728 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7730 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7731 available when HOST_BITS_PER_WIDE_INT is not 64.
7732 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7733 move before movdi_insn_sp64 pattern.
7734 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7735 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7736 symbolic_operand as predicate for second operand.
7737 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7738 expander): Give set VOIDmode.
7740 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7742 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7744 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7746 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7748 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7750 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7752 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7754 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7756 * install.texi: Various SCO OpenServer tweaks.
7758 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7760 * reload1.c (eliminate_regs_in_insn): Handle another case when
7761 eliminating the frame pointer to the hard frame pointer. Add
7762 missing ep->to_rtx check to one existing case.
7764 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7766 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7768 * tree.h: De-conditionalize init_priority code.
7770 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7771 * collect2.c (NM_FLAGS): Change from -p to -n.
7773 * configure.in: Turn on collect2 for mipstx39-elf.
7774 Handle use_collect2=no properly.
7776 * c-common.c: De-conditionalize init_priority code.
7777 * collect2.c (extract_init_priority, sort_ids): New fns.
7778 (main): Call sort_ids.
7779 Move sequence_number to file scope.
7781 * configure.in: Handle --enable-init-priority.
7782 * c-common.c (attrs): Add A_INIT_PRIORITY.
7783 (init_attributes, decl_attributes): Likewise.
7784 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7785 * tree.c (get_file_function_name_long): Split out...
7786 (get_file_function_name): ...from here.
7788 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7790 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7793 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7795 * toplev.c (display_help): Add braces to shut up warnings.
7796 * tree.c (simple_cst_equal): Likewise.
7798 * fold-const.c (non_lvalue): Don't deal with null pointer
7800 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7802 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7803 of any size to a pointer.
7805 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7807 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7809 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7811 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7812 which will be saved.
7813 * mn10300.md (prologue insn): Only save registers which need saving.
7814 (epilogue insn): Similarly.
7816 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7819 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7821 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7822 VAR_DECL's in gp addressable sections.
7824 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7826 * sparc.c: Change return <exp> to <exp>; return; in functions
7828 * sparc.md: Add empty semicolon statement after final label in
7831 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7833 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7834 addx_extend_sp64, only allow when TARGET_ARCH64.
7835 (define_insn addx_extend_sp32 and split): Version that works when
7837 (define_insn subx_extend): Likewise.
7838 (define_split adddi3 and subdi3 with zero extension): Fixup and
7839 correct bugs when not TARGET_ARCH64.
7841 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7843 * except.c (set_exception_lang_code, set_exception_version_code):
7844 Use prototype-style definition if __STDC__, to match declaration
7847 * genemit.c: Change FAIL and DONE macros not to use loops.
7849 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7851 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7852 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7854 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7856 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7858 * README.g77: Update from Craig.
7860 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7862 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7864 (safe_constDI sparc_emit_set_const64_quick1,
7865 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7866 analyze_64bit_constant, const64_is_2insns,
7867 create_simple_focus_bits): Fix some bugs when compiled on real
7869 (function_arg_record_value_3, function_arg_record_value_2,
7870 function_arg_record_value): Add fully prototyped forward decls.
7871 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7872 to cmpsi_insn and use on both 64 and 32 bit targets.
7873 (define_insn cmpsi_insn_sp64): Remove.
7874 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7875 (define_insn zero_extendsidi2_insn): Rename to
7876 zero_extendsidi2_insn_sp64.
7877 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7878 assosciated forced split for it.
7880 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7882 * config/sparc/sparc.h: Declare them.
7883 (PREDICATE_CODES): Add them.
7884 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7885 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7887 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7889 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7890 in v9 case as the latter makes the Solaris assembler crash.
7892 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7894 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7895 for TFmode when !v9. We require offsettable memory addresses.
7896 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7897 DFmode register number conversions.
7898 * config/sparc/sparc.md (define_split DFmode moves): If register
7899 is a SUBREG do alter_subreg on it before using.
7900 (define_expand movtf): Fixup comment about alignment on v9.
7901 (define_split TFmode moves): Don't use gen_{high,low}part, create
7902 explicit SUBREGs instead.
7904 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7906 * Makefile.in (mbchar.o): Depend on mbchar.c.
7908 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7909 Richard Henderson <rth@cygnus.com>
7911 Rewrite Sparc backend for better code generation and
7912 improved sparc64 support.
7913 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7915 * config/sparc/sysv4.h: Likewise.
7916 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7917 move_operand, v8plus_regcmp_op, emit_move_sequence,
7918 singlemove_string, doublemove_string, mem_aligned_8,
7919 output_move_double, output_move_quad, output_fp_move_double,
7920 move_quad_direction, output_fp_move_quad, output_scc_insn):
7922 (small_int_or_double): New predicate.
7923 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7924 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7925 old pic_{sethi,lo_sum}_si patterns.
7926 (mem_min_alignment): New generic function to replace
7927 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7928 available and can test for arbitrary alignments. All callers
7930 (save_regs, restore_regs, build_big_number,
7931 output_function_prologue, output_cbranch, output_return,
7932 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7933 sparc_flat_output_function_epilogue): Prettify
7935 (output_function_epilogue): Likewise and add code to output
7936 deferred case vectors.
7937 (output_v9branch): Likewise, add new arg INSN and use it to tack
7938 on branch prediction settings. All callers changed.
7939 (print_operand): Likewise and output %l44 for LO_SUMs when
7941 (sparc_splitdi_legitimate): New function to make sure DImode
7942 splits can be run properly when !arch64.
7943 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7944 Reformat example code in comments.
7945 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7946 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7947 of deferred case vectors we need to output.
7948 (sparc_defer_case_vector): Record a case vector.
7949 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7950 sparc_output_deferred_case_vectors): New functions to output them.
7951 (sparc_emit_set_const32): New function to form 32-bit constants in
7952 registers when that requires more than one instruction.
7953 (safe_constDI, sparc_emit_set_const64_quick1,
7954 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7955 analyze_64bit_constant, const64_is_2insns,
7956 create_simple_focus_bits, sparc_emit_set_const64): New functions
7957 which do the same for 64-bit constants when arch64.
7958 (sparc_emit_set_symbolic_const64): New function to emit address
7959 loading for all code models on v9.
7960 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7961 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7962 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7963 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7964 inaccuracies in comments, add symbolic and text_segment operands
7965 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7966 GENERAL_REGS in these cases as a temp REG is needed to load these
7967 addresses into a register properly.
7968 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7970 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7971 quads are guarenteed to have 16-byte alignment.
7972 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7973 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7974 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7975 deferred case vector implementation.
7976 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7977 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7978 Generate "internal label - label" instead of "label - 1b".
7979 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7980 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7981 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7983 (doublemove_string, output_block_move, output_fp_move_double,
7984 output_fp_move_quad, output_move_double, output_move_quad,
7985 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7986 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7987 (sparc_emit_set_const32, sparc_emit_set_const64,
7988 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7989 mem_min_alignment, small_int_or_double): Add externs.
7990 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7991 UNSPEC_VOLATILE in this backend.
7992 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7993 unary to types which execute in it.
7994 (define_function_unit ieu_shift): Rename to ieu0.
7995 (define_function_unit ieu1): New, executes compare, call, and
7996 uncond_branch type insns.
7997 (define_function_units for type fdivs, fdivd, fsqrt): These
7998 execute in the fpu multiply unit not the adder on UltraSparc.
7999 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8000 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8001 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8002 allows the arith_double_operand predicate and rHI constraint when
8004 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8005 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8006 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8007 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8008 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8009 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8010 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8011 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8012 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8013 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8014 sign_extendqihi2_insn, sign_extendqisi2_insn,
8015 sign_extendqidi2_insn, sign_extendhidi2_insn,
8016 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8017 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8018 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8019 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8020 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8021 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8022 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8023 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8024 smulsi3_highpart_v8plus, unnamed subreg mult,
8025 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8026 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8027 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8028 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8029 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8030 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8031 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8032 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8033 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8034 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8035 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8036 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8037 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8038 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8039 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8040 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8041 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8042 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8043 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8044 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8045 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8046 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8047 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8048 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8049 call_address_untyped_struct_value_sp32,
8050 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8051 call_value_symbolic_sp32, call_value_address_sp64,
8052 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8053 flush_register_windows, goto_handler_and_restore,
8054 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8055 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8056 return_addsi, return_di, return_adddi, return_sf, all call+jump
8057 peepholes, trap, unnamed trap insns): Prettify output strings.
8058 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8059 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8060 Likewise and force + implement splits for integer cases.
8061 (define_insn return_sf_no_fpu): Likewise and allow to match when
8062 no-fpu because of our subreg SFmode splits.
8063 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8064 zero_extendqidi2_insn, zero_extendhidi2_insn,
8065 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8066 input_operand for second operand.
8067 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8068 reg_or_0_operand for operand 2 so new splits can use it.
8069 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8070 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8072 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8073 CONST_DOUBLEs for operand 2.
8074 (define_insn move_label_di): Likewise and label distance
8075 optimization because it no longer works with new deferred case
8076 vector scheme. To be revisited.
8077 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8078 and allow reg_or_0_operand and J constraint for second operand.
8079 (define_insn jump): Set branch predict taken on V9.
8080 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8081 new deferred case vector scheme.
8082 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8083 (define_insn negdi2_sp32): Force + implement splits.
8084 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8085 one_cmplsi2_not_liveg0 respectively, and create expander of original
8086 names which emit special rtl for TARGET_LIVE_G0.
8087 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8088 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8089 gen_compare_reg, FAIL instead.
8090 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8091 values when trying to reverse condition codes, if they FAIL then
8093 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8094 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8095 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8096 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8097 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8098 set output string to # to indicate they are mandatory splits.
8099 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8100 pic_sethi_di, move_pic_label_si): Remove.
8101 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8102 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8104 (define_expand movsi_pic_label_ref, define_insn
8105 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8106 expander and insns to handle PIC label references and deferred
8108 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8110 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8111 Rewrite to not use emit_move_sequence, make use of new constant
8112 formation code, and new splits for all multi-insn cases.
8113 (define_insn movqi_insn): Remove sethi case, it can never happen.
8114 Use reg_or_zero_operand instead of const0_rtx explicit test,
8115 use input_operand instead of move_operand for source, and use
8116 general_operand now for dest.
8117 (define_insn movhi_insn): Similar but leave sethi case.
8118 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8119 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8120 movhi_lo_sum respectively, prettify output string.
8121 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8122 register when needed on TARGET_LIVE_G0.
8123 (define_insn movsi_insn): Use general_operand and input_operand
8124 for dest and src respectively. Simplify applicability test.
8125 Prettify output strings, and add clr alternative for J
8127 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8128 deprecated std and reg-reg DI moves): Remove and...
8129 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8130 implementation which uses forced splits for all non-single insn
8132 (define_split DI move cases on !arch64): New splits to handle all
8133 situations of 64-bit double register DImode on 32bit, and
8134 unaligned registers and memory addresses for all subtargets.
8135 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8137 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8138 input_operand for dest and src respectively, prettify output
8140 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8141 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8143 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8144 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8145 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8146 movtf_no_e_insn_sp64) Replace with new
8147 implementation which uses forced splits for all non-single insn
8149 (define_split DF move cases): New splits in similar vein to DI
8151 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8152 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8153 movdi_sp64_insn): Remove old v9 code model and constant loading
8155 (define_insn pic_lo_sum_di, pic_sethi_di,
8156 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8157 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8158 embmedany_sethi, embmedany_losum, embmedany_brsum,
8159 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8160 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8161 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8162 scheme, using unspecs, secondary reloads, and one to one sparc
8163 insn to rtl insn mapping for better scheduling and code gen.
8164 (define_expand reload_indi, reload_outdi): Reload helpers for
8165 MEDANY and EMBMEDANY symbol address loading cases which require a
8167 (define_expand movsicc): Remove v8plus_regcmp cases.
8168 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8169 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8170 cmp_diqi_trunc_set): New patterns used by some of the new scc
8172 (define_insn xordi3_sp64_dbl): New pattern used for constant
8173 formation when crossing from 32-bit targets.
8174 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8176 (define_insn addx, subx): Make visible and prettify.
8177 (define_insn adddi3_insn_sp32): Likewise and force split.
8178 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8179 64bit scc split usage.
8180 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8181 zero_extend, subdi3): Force and implement splits.
8183 * final.c (final_scan_insn): Don't output labels if target
8184 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8187 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8188 don't forget to walk inside SEQUENCESs too as these are what the
8189 delay slot scheduler will create.
8191 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8193 * alpha.md (extxl+1,+2): New patterns to work around
8196 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8198 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8199 caused bad assembly code to be generated.
8201 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8203 * netbsd.h: Fix typo.
8205 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8207 * config.sub: Fix typo.
8209 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8211 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8213 (Running Protoize): Typo: Change "ther" into "other".
8215 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8217 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8218 * m68k/netbsd.h: Likewise.
8219 * ns32k/netbsd.h: Likewise.
8220 * sparc/netbsd.h: Likewise.
8222 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8224 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8225 * ginclude/va-clipper.h (va_list): Likewise.
8227 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8229 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8230 load/store multiple instructions unless user overrides.
8232 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8234 * ns32k/netbsd.h: Fix typo.
8236 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8238 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8239 labels with .debugsym if no parallel insns.
8241 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8243 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8244 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8246 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8248 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8249 (AR_FOR_TARGET): Define.
8251 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8253 * dyn-string.h: New file.
8254 * dyn-string.c: Likewise.
8255 * Makefile.in (OBJS): Add dyn-string.o.
8256 (dwarf2out.o): Add dyn-string.h dependency.
8257 (dyn-string.o): List dependencies.
8258 * dwarf2out.c: Include dyn-string.h.
8259 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8260 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8261 prototype. Use dyn_string_append rather than strcat, throughout.
8262 (addr_to_string): Use dyn_string_t.
8264 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8266 Function entry/exit profiling instrumentation:
8267 * expr.h (profile_function_entry_libfunc,
8268 profile_function_exit_libfunc): Declare new variables.
8269 * optabs.c: Define them here.
8270 (init_optabs): Initialize them.
8271 * tree.h (struct tree_decl): New flag
8272 no_instrument_function_entry_exit.
8273 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8274 * c-decl.c (duplicate_decls): Merge it.
8275 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8276 (init_attributes): Use it for "no_instrument_function".
8277 (decl_attributes): Handle it, for functions that have not yet been
8278 compiled. Set decl flag.
8279 * flags.h (flag_instrument_function_entry_exit): Declare new
8281 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8282 (f_options): New option "instrument-functions".
8283 * function.h (struct function): New field instrument_entry_exit.
8284 * function.c (current_function_instrument_entry_exit): New
8286 (push_function_context_to, pop_function_context_from): Save and
8288 (expand_function_start): Set current_ variable, maybe emit return
8289 label and entry profile call.
8290 (expand_function_end): Maybe emit exit profile call.
8292 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8294 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8295 NON_QI_REG_P, pretend the register is SImode.
8297 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8299 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8300 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8301 manufacturer id for ns32k.
8302 * configure: Regenerated.
8303 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8304 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8305 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8306 * config/m68k/netbsd.h: Same.
8307 * config/ns32k/netbsd.h: Same.
8308 * config/sparc/netbsd.h: Same.
8310 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8312 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8313 or UNROLL_COMPLETELY loop that starts with a jump to its
8316 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8318 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8319 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8320 (print_operand, case 'B'): Don't fall through.
8321 (print_operand, case 'S'): Correct mask begin/end computation.
8322 Use HOST_BITS_PER_WIDE_INT.
8323 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8324 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8325 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8326 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8328 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8330 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8331 constraint from second alternative.
8333 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8335 * configure.in: Fix --without/--disable cases for local-prefix,
8336 gxx-include-dir and checking.
8338 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8340 * configure.in (enable_haifa): Set by default for sparc64 too.
8343 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8345 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8346 * i386/winnt.c (associated_type): New fn.
8347 (i386_pe_valid_type_attribute_p): New fn.
8348 (i386_pe_check_vtable_importexport): Remove.
8349 (i386_pe_dllexport_p): Use associated_type.
8350 (i386_pe_dllimport_p): Likewise.
8352 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8353 * i386.c (i386_valid_type_attribute_p): Also accept
8354 attributes for METHOD_TYPEs.
8356 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8358 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8360 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8362 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8364 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8365 them from generating a new base name for each occurence of
8368 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8370 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8372 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8376 * cplus-dem.c (type_kind_t): New type.
8377 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8378 on this paramter, rather than demangling the type again.
8379 (demangle_integral_value): Pass tk_integral.
8380 (demangle_template_: Pass the value returned from do_type.
8381 (do_type): Return a type_kind_t. Pass tk_integral to
8382 demangle_template_value_parm for array bounds.
8383 (demangle_fund_type): Likewise.
8385 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8387 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8390 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8392 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8394 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8396 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8398 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8401 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8403 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8404 (DEBUGGER_ARG_OFFSET): Likewise.
8406 * mn10300.md (movsf): Remove last change. Not needed.
8408 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8410 * c-lex.c (yylex): Fix boundary conditions in character literal and
8411 string literal loops.
8413 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8415 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8416 being invoked incorrectly.
8418 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8419 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8421 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8422 * configure.in: Added i[34567]86-*-win32
8423 * config.sub: Ditto.
8424 * configure: Rebuilt.
8426 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8428 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8429 the frame pointer and compiling PIC code and reload has not completed.
8431 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8434 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8436 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8438 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8440 * Makefile.in (install-info): Only try to update the info
8441 directory file if it exists in the first place.
8443 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8445 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8447 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8449 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8450 CONST_DOUBLE source.
8452 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8454 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8455 strings as the insertion of USER_LABEL_PREFIX.
8456 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8458 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8461 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8463 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8464 already defined type.
8466 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8468 * expr.c (check_max_integer_computation_mode): Allow conversions
8469 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8470 (expand_expr): Likewise.
8472 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8474 * expr.c (expand_expr): Expand RETURN_EXPR.
8476 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8478 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8480 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8482 * dwarf2out.c (output_aranges): Call stripattributes
8483 for TEXT_SECTION references.
8484 (output_line_info): Likewise.
8486 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8488 * profile.c (branch_prob): Call allocate_reg_info after outputting
8489 profile rtl in instrument_arcs.
8491 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8493 * fixinc.irix (math.h): Install wrapper instead of copying.
8495 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8497 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8498 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8499 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8500 lang_flag_0. Added documentation in the flag table.
8502 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8504 * cccp.c (do_include): Fix vax c style include handling.
8506 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8508 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8510 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8512 * fold-const.c (non_lvalue): Don't deal with null pointer
8514 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8516 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8518 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8519 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8520 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8521 (u_short_cint_operand): Same.
8522 (reg_or_cint_operand): Same.
8523 (logical_operand): Same.
8524 (input_operand): Same.
8525 (reg_or_short_operand): Use u_short_cint_operand.
8527 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8529 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8530 but keep the insns and splits. Adjust so when the ultimate destination
8531 is memory, use cvtql.
8533 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8535 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8537 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8539 * gcc.c (do_spec): Call "error" not "warning".
8541 * configure.in: Fix minor problems with gas feature detection code.
8542 * configure: Rebuilt.
8544 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8547 * gcc.c: Delete %[spec] support.
8548 (do_spec_1, case '('): Likewise.
8549 (do_spec_1, case '['): Call error.
8551 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8553 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8554 (CPP_SUBTARGET_SPEC): Default to empty string.
8555 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8556 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8557 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8558 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8560 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8561 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8562 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8563 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8564 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8565 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8566 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8567 * alpha/vxworks.h: Likewise.
8569 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8571 * mips.md (reload_outsi): Added missing REGNO call.
8572 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8574 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8575 another match_operator and compare the codes.
8577 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8579 * MIPS multiply pattern fixes:
8580 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8581 Add union classes for HI, LO, or HILO plus general registers.
8582 (GENERATE_MADD): Deleted.
8583 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8584 Add TARGET_MAD to condition.
8585 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8586 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8587 "*d" for accumulator, to give preference to LO initially but not
8590 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8592 * configure.in (enable_c_mbchar): New configure option.
8593 (extra_cpp_objs): Always available now.
8595 * cexp.y (mbchar.h): #include it.
8596 (yylex): Handle Multibyte characters in character literals.
8598 * cccp.c (mbchar.h): #include it.
8599 (main): Set character set based on LANG environment variable.
8600 (rescan): Handle multibyte characters in comments.
8601 (skip_if_group): See above.
8602 (validate_else): See above.
8603 (skip_to_end_of_comment): See above.
8604 (macarg1): See above.
8605 (discard_comments): See above.
8606 (rescan): Handle multibyte characters in string and character literals.
8607 (collect_expansion): See above.
8608 (skip_quoted_string): See above.
8609 (macroexpand): See above.
8610 (macarg1): See above.
8611 (discard_comments): See above.
8612 (change_newlines): See above.
8614 * c-lex.c (mbchar.h): #include it.
8615 (GET_ENVIRONMENT): New macro.
8616 (init_lex): Set character set based on LANG environment variable.
8617 (yylex): Handle multibyte characters in character literals.
8618 (yylex): Handle multibyte characters in string literals.
8620 * Makefile.in (mbchar.o): New target.
8621 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8622 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8624 * mbchar.[ch]: New files for multibyte character handling.
8626 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8628 * jump.c (jump_optimize): When simplifying noop moves and
8629 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8630 the PUSHes to rewrite in second loop as we did in the first.
8632 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8634 * cplus-dem.c (demangle_nested_args): Make function definition
8635 static to match the prototype.
8637 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8639 * alloca.c: Respect USE_C_ALLOCA.
8640 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8641 * gengenrtl.c (xmalloc): Likewise.
8643 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8645 * loop.h (struct induction): Add no_const_addval.
8646 * loop.c (the_movables, reg_address_cost): New variables.
8647 (init_loop): Init reg_address_cost.
8648 (loop_optimize): Call end_alias_analysis.
8649 (scan_loop): Init the_movables.
8650 (record_giv): Init induction->no_const_addval.
8651 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8652 [REG]: Rearrange loop search test to catch more cases.
8653 (general_induction_var): Return success not benefit; take an extra
8654 argument for that. Change all callers.
8655 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8656 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8657 [default]: Search the_movables for additional combinations.
8658 (sge_plus_constant, sge_plus): New functions.
8659 (express_from_1): New function.
8660 (express_from): Always define. Rewrite using express_from_1.
8661 (combine_givs_p): Handle more cases. Ignore address cost.
8662 (cmp_combine_givs_stats): New function.
8663 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8664 (combine_givs): Rewrite to do best-fit combination.
8666 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8667 (fold): Do a complete (A*C)+(B*C) association check.
8669 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8671 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8673 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8675 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8677 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8679 * tree.c (valid_machine_attribute): Only create a new type variant if
8680 there is a decl to use it.
8682 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8684 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8687 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8689 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8692 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8694 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8695 Simplify tests for clearing an address register.
8696 (expand_prologue): Corresponding changes.
8698 * mn10300.md (movXX patterns): Make sure the destination is an
8699 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8700 (logical patterns): Split into expanders + patterns
8701 (zero and sign extension patterns): Similarly.
8702 (shift patterns): Similarly.
8704 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8706 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8707 for the sequence, recording base values.
8709 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8711 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8713 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8715 * gcc.c: Remove ANSI-C ism from --help code.
8717 * toplev.c: Support --help with USE_CPPLIB.
8719 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8721 * configure.in: Rework gas feature code to work with symlink based
8724 * extend.texi: Clarify some issues related to local variables
8725 assigned to explicit registers.
8727 * mn10300.md (mulsi): Turn into expander + pattern.
8729 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8732 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8734 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8736 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8738 * version.c: Bump again to distinguish mainline tree from the
8741 See ChangeLog.0 for earlier changes.
8744 add-log-time-format: current-time-string
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