1 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
3 * real.c (mtherr): Print more reasonable warning messages.
5 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
9 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
10 (new_include_prefix): Constify char* parameters.
12 * cppfiles.c (read_name_map): Likewise.
13 (append_include_chain): Likewise. Also, use a writable char* copy
14 of parameter `dir' which we then modify, rather than using the
15 parameter itself to store the new writable string.
16 (remap_filename): Constify some variables. Also, use a writable
17 char* to store an allocated string which we will be modifying.
19 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
20 (cpp_start_read): Constify variable `str'.
22 * cpplib.h (append_include_chain): Constify a char* parameter.
24 * gcc.c Include prefix.h, don't prototype prefix.c functions.
25 (add_prefix, save_string): Constify char* parameters.
26 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
28 * prefix.c: Include prefix.h.
29 (get_key_value, translate_name, save_string, update_path,
30 set_std_prefix): Constify various char* parameters and variables.
31 (save_string): Use xmalloc, not malloc.
32 (translate_name): Use a writable temporary variable to create and
33 modify a string before setting it to a const char*.
35 * prefix.h: New file to prototype functions exported from prefix.c.
37 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
39 * cpplib.c (skip_if_group): Split out the logic that handles
40 directive recognition to its own function. Don't use
41 parse markers; use a bare pointer into the buffer. Use
42 copy/skip_rest_of_line instead of doing it by hand. Remove
43 `return on any directive' mode which was never used, and take
45 (consider_directive_while_skipping): New function, subroutine
46 of skip_if_group. Logic streamlined a bit.
47 (conditional_skip, do_elif, do_else): Call skip_if_group with
50 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
52 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
55 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
57 * extend.texi (Bound member functions): Document.
59 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
61 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
62 lang_to_string, type_to_string): Make return type const char*.
63 (print_symbol): Apply `const' keyword to a char*.
64 (print_file_desc): Cast structure member `crfd' to ulong when
65 comparing against one.
67 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
68 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
69 (progname, input_name): Apply `const' keyword to a char*.
70 Don't redundantly include sys/stat.h.
71 (alloc_info): Apply `const' keyword to a char*.
72 (st_to_string, sc_to_string): Likewise.
73 (hash_string): Cast variable `hash_string' to a symint_t when
74 comparing against one.
75 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
76 Likewise cast it to long when comparing against one.
77 (add_local_symbol): Apply `const' keyword to a char*.
78 (add_ext_symbol): Likewise.
79 (add_unknown_tag): Likewise.
80 (add_procedure): Cast a printf-style field width to an int.
81 (add_file): Cast PAGE_USIZE to long when comparing against one
82 (parse_begin): Cast a printf-style field width to an int.
83 (parse_bend): Likewise.
84 (parse_def): Likewise.
85 (parse_end): Likewise.
86 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
87 (parse_stabs_common): Fix format specifier.
88 (parse_input): Change type of variable `i' to Size_t.
89 (write_object): Fix arguments to match format specifiers.
90 Cast variable `num_write' to long when comparing against one.
91 (read_seek): Cast variable `sys_read' to symint_t when comparing
92 against one. Fix arguments to match format specifiers. Cast
93 variable `size' to long when comparing against one.
94 (copy_object): Cast result of `sizeof' to int when comparing
95 against one. Fix arguments to match format specifiers. Cast
96 variable `ifd' to long when comparing against a signed value.
99 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
101 * c-common.c (decl_attributes): Allow applying attribute `unused'
104 * c-parse.in (label): Parse attributes after a label, and call
105 `decl_attributes' to handle them.
107 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
109 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
110 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
112 * invoke.texi: Note that labels can be marked `unused'.
114 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
116 * version.c: Bump for snapshot.
118 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
120 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
121 RTL for a compare/jump sequence.
123 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
125 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
126 for a target with HAVE_cc0 defined.
127 (emit_cmp_and_jump_insns): New function.
128 * expr.h (emit_cmp_and_jump_insns): Prototype it.
129 * loop.c (check_dbra_loop): Use it to replace calls
130 to emit_cmp_insn and emit_jump_insn and to canonicalise
131 the comparison if necessary.
132 * unroll.c (unroll_loop): Likewise.
134 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
136 * fixincludes (sys/utsname.h): Provide forward declaration of
137 struct utsname on Ultrix V4.[35].
139 * mips.md (div_trap): Use local labels instead of dot-relative
142 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
144 * pa.md (branch, negated branch): Handle (const_int 0) as first
146 * pa.c (output_cbranch): Likewise.
148 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
150 * rs6000.c (rs6000_stack_info): Undo spurious part of last
153 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
155 * extend.texi (__builtin_constant_p): Add missing @smallexample.
157 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
159 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
161 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
163 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
164 (adddi_dishl32): Similarly.
166 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
167 for each insn in the skipped block.
169 * reload1.c (reload_as_needed): Verify that the insn satisfies its
170 constraints after replacing a register address with an autoincrement
171 address for reload inheritance purposes.
173 * i386.md (doubleword shifts): Avoid namespace pollution.
175 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
177 * configure.in (FreeBSD ELF): Needs special crt files.
179 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
181 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
183 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
185 * loop.c (check_dbra_loop): While reversing the loop, if the
186 comparison value has a VOID mode use the mode of the other operand
189 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
191 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
192 avoid warnings in compiling explow.c.
194 (patch from Ken Raeburn, raeburn@cygnus.com)
195 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
196 fpmem_offset. Compute total size after that, and then
197 rs6000_fpmem_offset using both values.
199 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
201 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
202 the future; indeed that already happens in some cases.
204 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
206 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
207 (arith_operand): Remove constant_p_rtx handling.
208 (const64_operand, const64_high_operand): Likewise.
209 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
210 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
211 (small_int_or_double, uns_small_int, zero_operand): Likewise.
212 * sparc.h (PREDICATE_CODES): Likewise.
214 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
216 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
218 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
219 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
220 consider constant CONSTRUCTOR constant and to defer some cases
222 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
223 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
225 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
227 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
228 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
230 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
231 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
232 (sext_add_operand, and_operand, or_operand): Likewise.
233 (reg_or_cint_operand, some_operand, input_operand): Likewise.
234 * alpha.h (PREDICATE_CODES): Likewise.
236 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
238 * version.c: Bump for snapshot.
240 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
242 * gengenrtl.c (gencode): Always use bzero to clear memory instead
243 of dangerous casts and stores.
245 * Makefile.in (compare, gnucompare): Add missing else true clauses.
247 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
249 * alpha.md (builtin_longjmp): Add missing "DONE".
251 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
253 * gcc.c (execute): Enable -pipe with win32.
255 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
257 * config/arm/t-arm-elf: Add multiplib option for leading
260 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
261 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
263 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
264 than variable 'reload_address_base_reg_class'. [Note this
265 change is unrelated to the others in this patch].
267 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
270 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
272 * alias.c (record_alias_subset): Remove ignored `&'.
273 (init_alias_once): Likewise.
275 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
277 * config/mips/mips.c (mips_asm_file_end): Cast the result of
278 fwrite to `int' when comparing against one.
280 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
281 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
283 * cse.c (rehash_using_reg): Change type of variable `i' to
286 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
289 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
291 * final.c (final_scan_insn): Likewise for variable `i'.
292 (output_asm_insn): Cast a char to unsigned char when used as an
295 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
298 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
300 * recog.c (preprocess_constraints): Cast a char to unsigned char
301 when used as an array index.
303 * regmove.c (find_matches): Likewise.
305 * reload1.c (calculate_needs): Add default case in switch.
306 (eliminate_regs_in_insn): Initialize variable `offset'.
307 (set_offsets_for_label): Change type of variable `i' to unsigned.
308 (reload_as_needed): Wrap variable `i' in macro check on
309 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
311 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
312 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
313 when comparing against one.
315 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
316 unsigned when comparing against one. Likewise for
317 GET_MODE_ALIGNMENT().
318 (layout_record): Cast record_align to int when comparing against a
320 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
323 * tree.c (get_identifier): Cast variable `len' to unsigned when
324 comparing against one.
325 (maybe_get_identifier): Likewise
327 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
329 * toplev.c (rest_of_compilation): Do not set reload_completed.
330 * reload1.c (reload): Set reload_completed before calling
331 cleanup_subreg_operands.
333 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
335 * reload1.c (emit_reload_insns): Check `set' not null before use.
337 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
339 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
342 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
344 * halfpic.c (half_pic_encode): Delete redundant code.
346 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
348 * toplev.c (main): Delete handling of -dM as a preprocessor
351 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
353 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
354 -dI, which are handled by the preprocessor.
356 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
358 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
359 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
361 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
363 * version.c: Bump for snapshot.
365 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
367 * version.c: Bump for snapshot.
369 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
371 * version.c: Bump for snapshot.
373 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
375 * genattr.c (fatal): Qualify a char* with the `const' keyword.
377 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
378 write_unit_name, write_eligible_delay, expand_units,
379 make_length_attrs, write_attr_case, find_attr,
380 make_internal_attr): Likewise.
381 * gencheck.c (tree_codes): Likewise.
382 * gencodes.c (fatal): Likewise.
383 * genconfig.c (fatal): Likewise.
384 * genemit.c (fatal): Likewise.
385 * genextract.c (fatal, walk_rtx, copystr): Likewise.
386 * genflags.c (fatal): Likewise.
387 * genopinit.c (fatal, optabs, gen_insn): Likewise.
388 * genoutput.c (fatal, error, predicates): Likewise.
389 * genpeep.c (fatal): Likewise.
390 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
391 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
393 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
395 * configure.in (with-fast-fixincludes): Fix whitespace.
396 * configure: Rebuilt.
398 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
399 asm() etc. function declarations in __DECC.
401 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
403 * expr.c (emit_move_insn_1): Only emit a clobber if the target
404 is a pseudo register.
406 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
408 * gcse.c: Include expr.h in order to get the prototype for
409 get_condition() which is used in delete_null_pointer_checks().
411 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
413 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
415 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
417 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
418 (ALL_CFLAGS): Delete SCHED_CFLAGS.
420 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
422 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
425 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
427 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
428 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
429 optimizations from the combiner.
431 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
433 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
435 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
437 * toplev.c (main): Disable optimize_size if a specific
438 optimization level is requested. Always set optimization
439 level to 2 if -Os is specified.
441 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
443 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
445 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
446 initialize it using fname.
448 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
450 * cpplib.c (do_include): Treat #include_next in the
451 primary source file as #include plus warning. Treat
452 #include_next in a file included by absolute path as an
453 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
455 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
457 * cccp.c: Don't define MIN/MAX anymore.
458 * cpplib.c: Likewise.
459 * machmode.h: Likewise.
460 * system.h: Provide definitions for MIN/MAX.
462 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
464 * fix-header.c: Don't define xstrdup here.
466 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
468 * loop.c (consec_sets_giv): New argument last_consec_insn.
469 (strength_reduce): Provide / use it.
471 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
473 * loop.h (loop_info): New field 'vtop'.
474 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
475 scanning loop for vtop.
476 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
477 (loop_iterations): Use them to determine if loop has a constant
478 number of iterations. Set loop_info->vtop. Don't subtract
479 common reg term from initial_value and final_value if have a
482 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
484 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
486 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
488 * mn10200.md (abssf2, negsf2): New expanders.
490 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
492 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
494 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
495 replaced by a CONCAT whoes components do not have the same
496 mode as the original SUBREG, use a new SUBREG to restore the
499 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
500 multiword complex values.
502 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
504 * cppalloc.c: Add xstrdup here.
505 * cpplib.h: Remove savestring prototype.
506 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
508 * cppfiles.c: s/savestring/xstrdup/ throughout.
510 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
512 * cpplib.c: Make all directive handlers read their own
514 (struct directive): Remove last two arguments from FUNC
515 member prototype. Remove `command_reads_line' member
517 (directive_table): Remove initializations of
518 command_reads_line flag. Pretty-print.
519 (eval_if_expression, do_define, do_line, do_include,
520 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
521 do_else, do_elif, do_sccs, do_assert, do_unassert,
522 do_warning): Take only two args.
524 (cpp_define): Call do_define with two args and the text to
525 define stuffed into a buffer.
526 (make_assertion): Call do_assert with two args.
527 (handle_directive): Call do_line with two args. Call
528 kt->func with two args. Remove command_reads_line
530 (do_define, do_undef, do_error, do_warning, do_pragma,
531 do_sccs): Read the rest of the line here.
532 (do_ident): Gobble rest of line, as cccp does.
533 (cpp_undef): New function.
534 (cpp_start_read): Call cpp_undef instead of do_undef.
536 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
538 * cpphash.h (union hash_value): Remove `keydef' member, add a
539 `struct hashnode *aschain' member for #assert.
541 * cpplib.c (struct tokenlist_list, struct
542 assertion_hashnode): Delete structure definitions.
543 (assertion_install, assertion_lookup, delete_assertion,
544 check_assertion, compare_token_lists, reverse_token_list,
545 read_token_list, free_token_list): Delete functions.
546 (parse_assertion): New function.
547 (cpp_cleanup): Don't destroy the assertion_hashtable.
549 (do_assert): Gut and rewrite. #assert foo (bar) places
550 entries for `#foo' and `#foo(bar)' in the macro hash table,
551 type T_ASSERT. The value union's `aschain' member is used
552 to chain all answers for a given predicate together.
553 (do_unassert): Also rewritten. Take an un-asserted
554 answer off the chain from its predicate and call
555 delete_macro on the hashnode, or walk a predicate chain
556 calling delete_macro on all the entries.
557 (cpp_read_check_assertion): Simply call parse_assertion to
558 get the canonical assertion name, and look that up in the
561 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
564 * cpphash.c (install): Use bcopy instead of an explicit loop
565 to copy the macro name.
567 * cppexp.c (cpp_lex): Convert the result of
568 cpp_read_check_assertion to a `struct operation' directly;
569 don't go through parse_number.
571 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
573 * loop.h (struct induction): Delete times_used member.
574 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
575 (n_times_used): Rename to n_times_set. Changed all users.
576 (scan_loop): Free reg_single_usage before strength reduction.
577 (record_giv, combine_givs): Remove handling of times_used member.
578 (combine_givs_used_once): Rename to:
579 (combine_givs_used_by_other) . Changed all callers.
581 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
583 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
584 instead of TREE_CODE_CLASS == 't'.
585 (gen_type_die): Likewise.
586 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
588 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
590 * real.c (endian): Disable last change unless
591 HOST_BITS_PER_WIDE_INT is greater than 32.
593 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
595 * output.h (force_data_section): New prototype.
596 * varasm.c (force_data_section): New function to force the
597 data section, regardless of what in_section thinks.
598 * dwarf2out.c (output_call_frame_info): Call force_data_section
599 since varasm may not realize we've changes sections.
601 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
603 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
604 after completeing reload.
606 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
607 deleted after reload.
609 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
611 * rtl.h (multiple_sets): Fix prototype.
612 * rtlanal.c (multiple_sets): Fix return type.
614 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
616 * version.c: Bump for snapshot.
618 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
620 * version.c: Bump for snapshot.
622 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
624 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
626 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
628 * rtl.h (recompute_reg_usage): Add second argument.
629 * flow.c (recompute_reg_usage): Likewise.
630 * toplev.c (rest_of_compilation): Supply second argument to
633 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
636 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
638 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
639 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
640 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
643 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
645 * rtlanal.c (multiple_sets): New function.
646 * rtl.h (multiple_sets): Declare it.
647 * local-alloc.c (wipe_dead_reg): Use it.
648 * global.c (global_conflicts): Likewise.
650 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
652 * global.c (record_conflicts): Don't use an array of shorts to
653 store an array of ints.
654 (global_conflicts): Likewise.
656 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
658 * alpha.c (alpha_expand_block_move): mode_for_size expects
659 bits, not bytes. Infer extra alignment from addressof.
661 1998-12-11 Michael Meissner <meissner@cygnus.com>
663 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
664 .sbss section, not .sdata.
666 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
668 * cccp.c: Do not #include <sys/stat.h> here; this is already done
670 * collect2.c: Likewise.
671 * cpplib.h: Likewise.
674 * getpwd.c: Likewise.
675 * protoize.c: Likewise.
676 * toplev.c: Likewise.
678 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
679 and don't try to define it here.
680 * Makefile.in (cppmain.o): Depend on machmode.h.
681 (cpplib.o): Likewise.
682 (cpperror.o): Likewise.
683 (cppexp.o): Likewise.
684 (cppfiles.o): Likewise.
685 (cpphash.o): Likewise.
686 (cppalloc.o): Likewise.
687 (fix-header.o): Likewise.
688 (scan-decls.o): Likewise.
690 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
692 * sh.c (print_operand): lookup interrupt_handler attribute instead
693 of relying on static variable.
694 * (calc_live_regs): Likewise.
695 * (sh_pragma_insert_attributes): Create interrupt_handler
696 attribute if a pragma was specified
697 * (sh_valid_machine_decl_attribute): Don't set static flag.
698 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
700 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
702 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
703 to determine if a register is live at a jump destination.
704 Everything is dead at a BARRIER.
706 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
708 * cse.c (simplify_unary_operation): Sign-extend constants when
709 they have the most significant bit set for the target.
710 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
712 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
713 HOST_WIDE_INT temporary before negating it.
714 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
716 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
718 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
721 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
723 * collect2.h: New header file for prototypes.
725 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
727 * collect2.c: Include collect2.h.
730 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
732 * flow.c: Update some comments.
734 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
736 * objc/objc-act.c (cpp_initialized): Removed.
737 (lang_init_options): Initialize cpplib.
738 (lang_decode_option): Move initialization of cpplib to
740 * c-lang.c: (parse_options,parse_in): Added.
741 (lang_init_options): Initialized cpplib here.
742 * c-decl.c (parse_options,cpp_initialized): Removed.
743 (c_decode_option): Move initialization of cpplib to
746 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
748 * reload1.c (reload_combine, reload_combine_note_store):
749 Make STORE_RUID always valid.
750 (reload_combine): Check if BASE is clobbered too early.
752 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
754 * reload.c (find_reloads): Display the insn that cannot be
757 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
759 * cccp.c (create_definition): Fix end of bufer logic.
761 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
763 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
764 pointer parameters changed to use the PARAMS() macro.
766 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
768 * except.h (struct handler_info): Add handler_number field.
769 * except.c (gen_exception_label): EH labels no longer need to be
770 on the permanent obstack.
771 (get_new_handler): Set the label number field.
772 (output_exception_table_entry): Regenerate handler label reference
773 from the label number field.
774 (init_eh): Remove a blank line.
775 * integrate.c (get_label_from_map): Labels no longer need to be
776 on the permanent obstack.
778 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
780 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
781 only when OUTER_CODE is SET.
783 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
785 * loop.c (strength_reduce): If scan_start points to the loop exit
786 test, be wary of subversive use of gotos inside expression statements.
787 Don't set maybe_multiple for a backward jump that does not
788 include the label under consideration into its range.
789 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
791 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
793 * explow.c (plus_constant_wide): Don't immediately return with
794 result of recursive call.
796 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
798 * eh-common.h (struct eh_context): Add table_index for rethrows.
800 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
801 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
802 processed when inlined or unrolled (ie duplicated in some way).
804 * rtl.c (reg_note_name): Add strings for new reg_note enums.
806 * expr.h (rethrow_libfunc): New library decl.
808 * optabs.c (rethrow_libfunc): Initialize.
810 * except.h (struct eh_entry): Add new field 'rethrow_label'.
811 (new_eh_region_entry): No longer exported from except.c.
812 (duplicate_handlers): Renamed to duplicate_eh_handlers and
814 (rethrow_symbol_map, rethrow_used): New exported functions.
815 (eh_region_from_symbol): New exported function.
817 * except.c (create_rethrow_ref): New function to create a single
818 SYMBOL_REF for a rethrow region.
819 (push_eh_entry): Initialize a rethrow ref.
820 (func_eh_entry): Add a rethrow_label field.
821 (new_eh_region_entry): Make static, and initialize the rethrow entry.
822 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
823 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
824 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
825 a region into an appropriate new symbol.
826 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
827 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
828 (end_catch_handler): Emit a barrier for new-exceptions since
829 control can never drop through the end of a catch block.
830 (expand_end_all_catch): new-exceptions never fall through a catch
832 (expand_rethrow): use __rethrow routine for new exceptions.
833 (output_exception_table_entry): Generate rethrow labels, if needed.
834 (output_exception_table): Generate start and end rethrow labels.
835 (init_eh): Create rethrow symbols for beginning and end of table.
836 (scan_region): Don't eliminate EH regions which are the targets of
839 * flow.c (make_edges): Add different edges for rethrow calls,
840 identified by having the REG_EH_RETHROW reg label.
841 (delete_unreachable_blocks): Don't delete regions markers which are
842 the target of a rethrow.
844 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
845 allow save_for_inline_copying to call duplicate_eh_handlers.
846 (save_for_inline_copying): Call duplicate_eh_handlers instead of
847 exposing internal details of exception regions.
848 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
849 (expand_inline_function_eh_labelmap): New callback routine to
850 allow expand_inline_function to call duplicate_eh_handlers.
851 (expand_inline_function): Call duplicate_eh_handlers instead of
852 exposing internal details of exception regions.
853 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
856 * libgcc2.c (find_exception_handler): Generalize to enable it to
857 pick up processing where it left off last time for a rethrow.
858 (__unwinding_cleanup): New function. debug hook which is called before
859 unwinding when __throw finds there is nothing but cleanups left.
860 (throw_helper): Common parts of __throw extracted out for reuse.
861 (__throw): Common parts moved to throw_helper.
862 (__rethrow): New function for performing rethrows.
864 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
866 * reload1.c (current_function_decl): Tweak declaration.
868 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
870 * c-decl.c (flag_isoc9x): Default off.
871 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
872 * cccp.c (print_help, main): Likewise.
873 * gcc.c (default_compilers): Update for -std=gnu*.
875 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
877 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
878 * demangle.h: Deleted.
880 * reload1.c (current_function_decl): Declare.
882 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
884 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
886 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
888 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
890 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
892 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
894 * configure: Rebuilt.
895 * system.h: If the *_unlocked functions are available use them
896 instead of the locked counterparts by defining macros.
897 * config.in: Regenerated.
899 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
901 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
902 wrong and should only be used for dump related things, not
903 debugging information, instead main_input_filename should be used.
904 Also, reuse output_file_directive if possible.
905 * i386/aix386ng.h (ASM_FILE_START): Likewise.
906 * i386/isc.h (ASM_FILE_START): Likewise.
907 * i386/win-nt.h (ASM_FILE_START): Likewise.
908 * i386/sun386.h (ASM_FILE_START): Likewise.
910 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
912 * configure.in (mips*-*-linux*): Handle big and little endian
914 * configure: Rebuilt.
916 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
918 * emit-rtl.c: Fix typo.
920 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
922 * reload1.c (eliminate_regs): Don't do anything, if we're not
925 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
927 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
929 * mips/mips.c (mips_select_section): Add comment.
931 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
933 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
934 characters in file names in #line to be consistent with #include
935 handling. We support escape prcessing in the # 1 "..." version of
936 the command. See also support in cp/lex.c.
937 (handle_directive): Likewise.
940 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
942 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
943 so it'll work on non-ASCII platforms. Always consider $ an
944 identifier character. Take no arguments.
945 (cpp_reader_init): Call initialize_char_syntax with no
947 (cpp_start_read): Don't call initialize_char_syntax again.
948 Clear is_idchar['$'] and is_idstart['$'] if not
949 opts->dollars_in_ident.
951 * cpplib.h (struct cpp_reader): Replace void *data element by
952 cpp_options *opts. Rearrange elements to make gdb printout
953 less annoying (put buffer stack at end).
954 (CPP_OPTIONS): Get rid of now-unnecessary cast.
956 * cppmain.c: s/data/opts/ when initializing cpp_reader
958 * c-decl.c: Likewise.
959 * objc/objc-act.c: Likewise.
960 * fix-header.c: Likewise.
962 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
964 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
965 with a struct file_name_list pointer.
966 (struct cpp_reader): Add pointer to chain of `actual
967 directory' include searchpath entries.
968 (struct file_name_list): Add *alloc pointer for the sake of
969 the actual-directory chain.
971 Move definition of HOST_WIDE_INT here.
972 (cpp_parse_escape): Change prototype to match changes in
975 * cppfiles.c (actual_directory): New function.
976 (finclude): Use it to initialize the buffer's actual_dir
978 (find_include_file): We don't need to fix up max_include_len
981 * cpplib.c (do_include): Don't allocate a file_name_list on
982 the fly for current directory "" includes, use the one that's
983 been preallocated in pfile->buffer->actual_dir. Hoist out
984 duplicate code from the search_start selection logic.
985 (cpp_reader_init): Initialize pfile->actual_dirs.
987 Remove definition of HOST_WIDE_INT. Change calls
988 to cpp_parse_escape to match changes in cppexp.c (note
989 hardcoded MASK, which is safe since this is the source
992 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
993 to handle wide character constants in #if directives. The
994 function now returns a HOST_WIDE_INT, and takes a third
995 argument which is a binary mask for all legal values (0x00ff
996 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
997 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
998 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1000 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1002 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1004 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1006 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1007 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1008 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1010 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1012 * final.c (output_asm_name): Use tabs to seperate comments from
1015 Include instruction lengths (if defined) in output.
1017 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1019 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1020 in the loop_info structure.
1022 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1024 * configure.in: (arm*-*-ecos-elf): New target.
1025 * configure: Regenerated.
1026 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1027 * config/arm/ecos-elf.h: New file.
1028 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1031 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1033 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1035 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1037 * version.c: Bump for snapshot.
1039 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1041 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1044 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1046 * version.c: Bump for snapshot.
1048 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1050 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1051 compressed reports are ok and preferred over URLs
1053 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1055 * invoke.texi (Warning Options): Soften the tone of -pedantic
1057 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1059 * print-rtl.c (print_rtx): Add prototype.
1061 * unroll.c (iteration_info): Make it static.
1063 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1065 * alias.c (memrefs_conflict_p): A second ANDed address
1066 disables the aligned address optimization.
1068 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1070 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1073 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1075 * i960.h (BOOL_TYPE_SIZE): Define.
1077 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1079 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1080 from old valid_parallel_operands_4.
1081 (valid_parallel_operands_4): Check that operands for 4 operand
1082 parallel insns are valid, excluding load/store insns.
1083 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1084 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1085 valid_parallel_load_store instead of valid_parallel_operands_4.
1086 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1087 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1088 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1089 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1090 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1091 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1092 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1094 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1096 * config/c4x/c4x.c (iteration_info): Delete extern.
1098 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1100 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1102 * final.c (cleanup_subreg_operands): Delete some unused code.
1104 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1105 (struct insn_alternative): New structure definition.
1106 (recog_op_alt): Declare variable.
1107 (preprocess_constraints): Declare function.
1108 * recog.c (recog_op_alt): New variable.
1109 (extract_insn): Verify number of alternatives is in range.
1110 (preprocess_constraints): New function.
1111 * reg-stack.c: Include recog.h.
1112 (constrain_asm_operands): Delete.
1113 (get_asm_operand_lengths): Delete.
1114 (get_asm_operand_n_inputs): New function.
1115 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1116 N_OUTPUTS args. All callers changed.
1117 Compute number of inputs and outputs here by calling
1118 get_asm_operand_n_inputs.
1119 Instead of constrain_asm_operands, call extract_insn,
1120 constrain_operands and preprocess_constaints. Use information
1121 computed by these functions throughout.
1122 (record_reg_life): Delete code that is unused due to changes in
1123 record_asm_reg_life.
1124 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1125 N_INPUTS and N_OUTPUTS args. All callers changed.
1126 Similar changes as in record_asm_reg_life.
1127 (subst_stack_regs): Move n_operands declaration into the if statement
1129 Delete code that is unused due to changes in subst_asm_stack_regs.
1130 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1132 * Makefile.in (reg-stack.o): Depend on recog.h.
1134 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1136 * except.c (set_exception_version_code): Argument is an "int".
1138 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1140 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1141 * configure: Rebuilt.
1143 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1145 * configure.in (mipsel-*-linux*): New target.
1146 * mips/linux.h: New file, based on other Linux targets.
1148 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1150 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1151 runs in the context of the deleter, not the deletee, so we must
1152 use taskVarGet to find the correct memory to free.
1153 (__gthread_key_create): Initialize the task
1154 variable subsystem so that the task variable is still active when
1155 the delete hook is run.
1157 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1159 * pdp11.h: Use optimize_size for space optimizations.
1160 * pdp11.c: Likewise.
1161 * pdp11.md: Likewise.
1163 * pdp11.h (TARGET_40_PLUS): Fix typo.
1165 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1167 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1170 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1172 * alias.c (addr_side_effect_eval): New function.
1173 (memrefs_conflict_p): Use it.
1174 * rtl.h (addr_side_effect_eval): Prototype it.
1176 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1178 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1180 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1182 * reload.c (find_reloads): When force const to memory, put result
1183 in substed_operand not *recog_operand_loc.
1185 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1187 * c-lex.c: Fix indentation from last patch.
1188 Remove trailing whitespace.
1191 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1193 * flow.c (delete_block): Call set_last_insn after we have reset
1194 NEXT_INSN (kept_tail).
1196 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1198 * mips.md (trap_if): Use "$0" for the value zero.
1200 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1201 Stephen L Moshier <moshier@world.std.com>
1202 Richard Henderson <rth@cygnus.com>
1204 * c-common.c (declare_function_name): Declare predefinied variable
1207 * c-decl.c (flag_isoc9x): Set to 1 by default.
1208 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1209 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1211 * c-parse.in: Allow constructors in ISO C 9x.
1212 Rewrite designator list handling.
1213 Allow [*] parameters.
1214 Don't warn about comma at end of enum definition for ISO C 9x.
1216 * cccp.c (c9x): New variable.
1217 (rest_extension): New variable.
1218 (print_help): Document new -std= option.
1219 (main): Recognize -std= option. Set c9x appropriately.
1220 (create_definition): Recognize ISO C 9x vararg macros.
1222 * gcc.c (default_compilers): Adjust specs for -std options.
1223 (option_map): Add --std.
1224 (display_help): Document -std.
1226 * toplev.c (documented_lang_options): Add -std and remove
1229 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1230 or REAL_VALUE_HTOF based on base of the constants.
1231 * fold-const.c (real_hex_to_f): New function. Replacement function
1232 for hex FP conversion if REAL_ARITHMETIC is not defined.
1233 * real.c (asctoeg): Add handling of hex FP constants.
1234 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1237 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1239 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1240 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1241 expansion. Use hi/lo as destination register.
1243 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1244 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1245 Avoid as macro expansion. Use hi/lo as destination register.
1247 * mips.h (MASK_CHECK_RANGE_DIV): New.
1248 (MASK_NO_CHECK_ZERO_DIV): New.
1249 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1250 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1251 return address for leaf functions out of r31 to support
1252 builtin_return_address.
1254 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1256 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1257 NEXT_INSN(x) to check insn x.
1259 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1261 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1262 last insn in the rtl chain.
1264 * reload1.c (reload): Do not set reload_completed or split insns
1266 * toplev.c (rest_of_compilation): Set reload_completed after
1267 reload returns. Split insns after reload_cse has run.
1269 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1271 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1273 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1275 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1277 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1279 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1280 use of user-label_prefix.
1282 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1284 * reload1.c (emit_reload_insns): Clear spill_reg_store
1285 when doing a new non-inherited reload from the same pseudo.
1287 * local-alloc.c (function_invariant_p): New function.
1288 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1289 to decide if an equivalence should be recorded.
1290 * reload1.c (num_eliminable_invariants): New static variable.
1291 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1292 to decide if an equivalence should be recorded.
1294 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1295 Take num_eliminable_invariants into account when deciding
1296 if register elimination should be done.
1297 (reload_as_needed): Take num_eliminable_invariants into account
1298 when deciding if register elimination should be done.
1299 (eliminate_regs): Handle non-constant reg_equiv_constant.
1300 * rtl.h (function_invariant_p): Declare.
1302 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1304 * version.c: Bump for snapshot.
1306 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1308 * version.c: Bump for snapshot.
1310 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1312 * except.c (add_new_handler): Complain about additional handlers
1313 after one that catches everything.
1315 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1317 * configure.in (alpha*-*-netbsd): Fix typo.
1318 * configure: Rebuilt.
1320 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1322 * system.h: Include libiberty.h.
1324 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1325 function `concat' from fixed parameters to variable parameters,
1326 as is done in libiberty. All callers of concat/concat3
1327 changed to use the new `concat' with variable args.
1329 * cccp.c: Remove things made redundant by libiberty.h and/or
1330 conform to libiberty standards.
1332 * collect2.c: Likewise.
1333 * config/1750a/1750a.h: Likewise.
1334 * cppalloc.c: Likewise.
1335 * cppexp.c: Likewise.
1336 * cppfiles.c: Likewise.
1337 * cpphash.c: Likewise.
1338 * cpplib.c: Likewise.
1339 * dyn-string.c: Likewise.
1340 * fix-header.c: Likewise.
1343 * genattr.c: Likewise.
1344 * genattrtab.c: Likewise.
1345 * gencheck.c: Likewise.
1346 * gencodes.c: Likewise.
1347 * genconfig.c: Likewise.
1348 * genemit.c: Likewise.
1349 * genextract.c: Likewise.
1350 * genflags.c: Likewise.
1351 * gengenrtl.c: Likewise.
1352 * genopinit.c: Likewise.
1353 * genoutput.c: Likewise.
1354 * genpeep.c: Likewise.
1355 * genrecog.c: Likewise.
1356 * getpwd.c: Likewise.
1357 * halfpic.c: Likewise.
1359 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1360 in NEED_DECLARATION_* macros.
1362 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1363 conform to libiberty standards.
1364 (fatal): Fix const-ification of variable `format' in
1365 !ANSI_PROTOTYPES case.
1367 * prefix.c: Remove things made redundant by libiberty.h and/or
1368 conform to libiberty standards.
1370 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1371 conflicting with function `spaces' from libiberty.
1373 * profile.c: Remove things made redundant by libiberty.h and/or
1374 conform to libiberty standards.
1375 * protoize.c: Likewise.
1378 * tlink.c: Likewise.
1379 * toplev.c: Likewise.
1380 * toplev.h: Likewise.
1383 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1385 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1387 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1389 * README.C4X: Updated URLs.
1390 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1391 (valid_parallel_operands_5): Remove unused variable.
1393 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1395 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1397 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1399 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1400 which can be configured.
1401 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1402 (Makefile): Pass actual LANGUAGES through the environment when
1404 (cstamp-h): Likewise.
1405 (config.status): Likewise.
1407 * configure.in (enable_languages): Add new configuration parameter
1408 "--enable-languages=lang1,lang2,...".
1409 (${srcdir}/*/config-lang.in): Change handling to configure only
1410 those directories, that the user might have enabled; default to
1411 "all" existing languages.
1412 * configure: Regenerate.
1414 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1416 * rtlanal.c (regs_set_between_p): New function.
1417 * rtl.h (regs_set_between_p): Prototype it.
1418 * jump.c (jump_optimize): Use it instead of modified_between_p
1419 in the Sep 2 change.
1421 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1422 Matthias Pfaller <leo@dachau.marco.de>
1424 * invoke.texi (Option Summary, NS32K Options): add description
1425 of NS32K specific options.
1427 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1428 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1429 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1430 negdf2, absdf2): Use l instead of f since the double class and
1431 float class are no longer the same.
1432 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1433 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1434 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1435 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1437 (cmpsi, cmphi, cmpqi): use general_operand instead of
1438 non_immediate_operand. Removes erroneous assumption that can't
1440 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1441 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1443 (movstrsi, movstrsi1, movstrsi2): completely new block move
1445 (...): Patterns to exploit multiply-add instructions.
1446 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1447 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1448 patterns to exploit extended divide insns.
1449 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1452 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1453 float return values as well as simple scalar floats.
1454 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1455 support new flag to denote 32381 fpu.
1456 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1457 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1459 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1460 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1461 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1462 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1463 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1464 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1465 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1466 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1467 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1468 fpu registers and special register classes for new 32381
1469 instructions dotf and polyf.
1470 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1472 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1473 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1475 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1476 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1477 (REGISTER_MOVE_COST): move code to register_move_cost function for
1478 ease of coding and debugging.
1479 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1480 LONG_FLOAT_REGO is likely spilled but not caught by default
1482 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1483 instead of hard coded numbers in range check.
1484 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1485 (...): Add prototypes for functions in ns32k.c but disable because
1486 of problems when ns32k.h is included in machine independant files.
1488 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1489 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1490 hard_regno_mode_ok, secondary_reload_class,
1491 print_operand, print_operand_address): new register scheme to
1492 include 32381 fpu registers and special register classes for new
1493 32381 instructions dotf and polyf.
1494 (gen_indexed_expr): Make static to keep namespace clean.
1495 (check_reg): remove since never called.
1496 (move_tail, expand_block_move): helper functions for "movstrsi"
1498 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1499 Increase cost of moves which go via memory.
1500 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1501 (CPP_PREDEFINES): nolonger predefine "unix".
1503 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1504 Remove erroneous %$. print_operand() can work out from the rtx is
1505 an immediate prefix is required.
1507 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1508 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1509 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1511 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1514 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1515 Correct handling of pic operands.
1516 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1517 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1518 -mrtd calling convention.
1520 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1522 * gcc.c (option_map): Recognize --output-class-directory.
1524 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1526 * loop.h (precondition_loop_p): Added new mode argument.
1527 * unroll.c (precondition_loop_p): Likewise.
1528 (approx_final_value): Function deleted and subsumed
1529 into loop_iterations.
1530 (loop_find_equiv_value): New function.
1531 (loop_iterations): Use loop_find_equiv_value to find increments
1532 too large to be immediate constants. Also use it to find terms
1533 common to initial and final iteration values that can be removed.
1535 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1537 * loop.h (struct loop_info): Define new structure.
1538 (precondition_loop_p): Added prototype.
1539 (unroll_loop): Added new argument loop_info to prototype.
1540 (final_biv_value, final_giv_value): Added new argument n_iterations
1542 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1543 and new pointer loop_info.
1544 (loop_n_iterations): Replace global variable by element in
1545 loop_info structure.
1546 (check_final_value): New argument n_iterations.
1547 (insert_bct): New argument loop_info.
1548 (loop_unroll_factor): Replace global array by element in
1549 loop_info structure.
1550 (loop_optimize): Remove code to allocate and initialise
1551 loop_unroll_factor_array.
1552 * unroll.c (precondition_loop_p): No longer static since
1553 used by branch on count optimization.
1554 (precondition_loop_p, unroll_loop): New argument loop_info.
1555 (final_biv_value, final_giv_value, find_splittable_regs): New
1556 argument n_iterations.
1557 (loop_iteration_var, loop_initial_value, loop_increment,
1558 loop_final_value, loop_comparison_code, loop_unroll_factor):
1559 Replaced global variables by loop_info structure.
1560 (loop_unroll_factor): Replace global array by element in
1561 loop_info structure.
1563 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1565 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1568 * unroll.c (precondition_loop_p): Return loop_initial_value
1569 for initial_value instead of loop_iteration_var.
1571 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1573 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1574 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1575 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1576 to output the instruction sequences.
1578 (rptb_top): Provide alternatives to use any register or memory
1580 (rptb_end): Emit use of operands rather than assigning them
1581 explicitly to the RS and RE registers.
1583 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1585 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1586 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1587 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1588 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1589 c4x_merge_notes, c4x_parallel_process,
1590 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1591 c4x_combine_parallel): Delete.
1593 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1595 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1596 with old target options clear flag_branch_on_count_reg if
1597 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1599 (c4x_output_cbranch): Handle a sequence of insns rather than a
1601 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1602 has not been allocated as the loop counter.
1603 (c4x_address_conflict): Do not allow two volatile memory references.
1604 (valid_parallel_operands_4, valid_parallel_operands_5,
1605 valid_parallel_operands_6): Reject pattern if the register destination
1606 of the first set is used as part of an address in the second set.
1608 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1610 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1611 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1612 is no longer enabled if PARALLEL_MPY_FLAG set.
1613 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1614 (REG_CLASS_CONTENTS): Add braces around initializers.
1615 (HAVE_MULTIPLE_PACK): Define.
1616 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1617 REAL_VALUE_TO_DECIMAL.
1618 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1619 REAL_VALUE_TO_DECIMAL.
1620 (ar0_reg_operand): Add prototype.
1621 (ar0_mem_operand): Likewise.
1622 (ar1_reg_operand): Likewise.
1623 (ar1_mem_operand): Likewise.
1624 (ar2_reg_operand): Likewise.
1625 (ar2_mem_operand): Likewise.
1626 (ar3_reg_operand): Likewise.
1627 (ar3_mem_operand): Likewise.
1628 (ar4_reg_operand): Likewise.
1629 (ar4_mem_operand): Likewise.
1630 (ar5_reg_operand): Likewise.
1631 (ar5_mem_operand): Likewise.
1632 (ar6_reg_operand): Likewise.
1633 (ar6_mem_operand): Likewise.
1634 (ar7_reg_operand): Likewise.
1635 (ar7_mem_operand): Likewise.
1636 (ir0_reg_operand): Likewise.
1637 (ir0_mem_operand): Likewise.
1638 (ir1_reg_operand): Likewise.
1639 (ir1_mem_operand): Likewise.
1640 (group1_reg_operand): Likewise.
1641 (group1_mem_operand): Likewise.
1642 (ir1_reg_operand): Likewise.
1643 (arx_reg_operand): Likewise.
1644 (not_rc_reg): Likewise.
1645 (not_modify_reg): Likewise.
1646 (c4x_group1_reg_operand): Remove prototype.
1647 (c4x_group1_mem_operand): Likewise.
1648 (c4x_arx_reg_operand): Likewise.
1650 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1652 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1653 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1655 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1657 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1660 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1662 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1663 unless FMOVD_WORKS is defined.
1665 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1667 * regclass.c (init_reg_sets): Move code that calculates tables
1668 dependent on reg_class_contents from here...
1669 (init_reg_sets_1): To here.
1671 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1673 * cpplib.h: Delete struct import_file. Add ihash element to
1674 struct cpp_buffer. Delete dont_repeat_files and
1675 import_hash_table elements from cpp_reader; change
1676 all_include_files to a hash table. Delete all foobar_include
1677 / last_foobar_include elements from struct cpp_options; put
1678 back four such: quote_include, bracket_include,
1679 system_include, after_include. Redo struct file_name_list
1680 completely. Add new structure type include_hash. Add
1681 prototypes for merge_include_chains and include_hash. Change
1682 prototypes for finclude, find_include_file, and
1683 append_include_chain to match changes below.
1685 * cppfiles.c (simplify_pathname, include_hash,
1686 remap_filename, merge_include_chains): New functions.
1687 (add_import, lookup_import, open_include_file): Removed.
1688 (INO_T_EQ): Define this (copied from cccp.c).
1689 (hack_vms_include_specification): Remove all calls and #if 0
1690 out the definition. It was being called incorrectly and at
1691 the wrong times. Until a VMSie can look at this, it's better
1692 to not pretend to support it.
1693 (append_include_chain): Change calling convention; now takes
1694 only one directory at a time, and sets up the data structure
1696 (redundant_include_p): Rewritten - this is now used for all
1697 include redundancy, whether by #ifndef, #import, or #pragma
1698 once. Looks up things in the include hash table.
1699 (file_cleanup): Decrement pfile->system_include_depth here if
1701 (find_include_file): Calling convention changed; now passes
1702 around a struct include_hash instead of 3 separate parameters.
1703 Guts ripped out and replaced with new include_hash mechanism.
1704 (finclude): Calling convention changed as for
1705 find_include_file. Error exits pulled out-of-line. Reformat.
1706 (safe_read): Return a long, not an int.
1707 (deps_output): Don't recurse.
1709 * cpplib.c (is_system_include): Deleted.
1710 (path_include): Fix up call to append_include_chain.
1711 (do_include): Fix up calls to find_include_file and finclude.
1712 Clean up dependency output a bit. Shorten obnoxiously lengthy
1713 #import warning message. Don't decrement
1714 pfile->system_include_depth here.
1715 (do_pragma): Understand the include_hash structure. Reformat.
1716 (do_endif): Correct handling of control macros. Understand
1718 (cpp_start_read): Fix up calls to finclude. Call
1719 merge_include_chains.
1720 (cpp_handle_option): Fix up calls to append_include_chain.
1721 Understand the four partial include chains.
1722 (cpp_finish): Add debugging code (#if 0-ed out) for the
1724 (cpp_cleanup): Free the include_hash, not the import hash and
1725 the all_include and dont_repeat lists which no longer exist.
1727 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1729 * toplev.c (no_new_pseudos): Define.
1730 (rest_of_compilation): Set no_new_pseudos as needed.
1731 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1732 if no_new_pseudos is set.
1733 * rtl.h (no_new_pseudos): Declare it.
1734 * reload1.c (reload): Update comments.
1735 * md.texi: Corresponding changes.
1737 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1739 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1740 (choose_reload_regs): Rename it here as well. When computing it,
1741 also merge in used hardregs.
1743 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1745 * gcc.c: Split out Objective-C specs to...
1746 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1749 * c-lex.c (init_parse): Always initialize the filename global.
1750 * objc/objc-act.c (lang_init): Always call check_newline at
1753 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1755 * reload1.c (reload): Remove unused variable.
1756 (reload_reg_free_for_value_p): Add missing parameter definition.
1758 * jump.c (jump_optimize): Remove unused variable.
1760 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1762 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1764 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1766 * expr.c (move_by_pieces): Similarly.
1767 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1768 * flow.c (find_auto_inc): Similarly.
1769 (try_pre_increment): Similarly.
1770 * loop.c (strength_reduce): Similarly.
1771 * regclass.c (auto_inc_dec_reg_p): Similarly.
1772 * regmove.c (try_auto_increment): Similarly.
1773 (fixup_match_1): Similarly.
1774 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1775 (HAVE_PRE_DECREMENT): Similarly.
1776 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1777 * Corresponding changes to all target header files.
1778 * tm.texi: Update docs for autoinc addressing modes.
1780 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1782 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1783 * configure: Rebuild.
1784 * config/elfos.h: New file.
1785 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1786 config/m68k/t-m68kelf: New file.
1788 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1790 * Makefile.in (HOST_AR): Define.
1791 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1792 (libcpp.a): Use the host tools explicitly.
1793 (STAGESTUFF): Add libcpp.a.
1795 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1797 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1798 to source and destination registers.
1800 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1802 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1803 The strategy we now use is to pre allocate the top_elt along
1804 with the EH context so that each thread has its own top_elt.
1805 This is necessary as the dynmanic cleanup chain is used on the
1806 top element of the stack and each thread MUST have its own.
1807 (eh_context_static): Likewise.
1808 (new_eh_context): Likewise.
1809 (__sjthrow): Likewise.
1811 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1813 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1814 * i386.md (prologue_get_pc): Remove unused variable.
1816 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1818 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1820 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1822 * Makefile.in (OBJS): Add graph.o
1823 (graph.o): New dependency list.
1824 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1825 * print-rtl.c (dump_for_graph): Define new variable.
1826 (print_rtx): Rewrite to allow use in graph dumping functions.
1827 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1828 finish_graph_dump_file.
1829 Define graph_dump_format.
1830 (compile_file): If graph dumping is enabled also clear these files.
1831 Finish graph dump files.
1832 (rest_of_compilation): Also dump graph information if enabled.
1833 (main): Recognize -dv to enabled VCG based graph dumping.
1834 * graph.c: New file. Graph dumping functions.
1836 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1838 * configure.in: Look for <sys/stat.h>.
1839 * system.h: Include it before substitute S_ISREG definitions.
1841 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1843 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1844 * config/mips/iris6.h: Same.
1845 * config/mips/mips.md: Same.
1846 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1847 * config/mips/mips.h: Same; also define ABI_O64.
1849 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1851 * configure.in: Use AC_PREREQ(2.12.1).
1853 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1855 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1856 * cpplib.c, gcc.c: Likewise.
1857 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1859 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1861 * local-alloc.c (local_alloc): Use malloc not alloca for
1862 reg_qty, reg_offset, ref_next_in_qty.
1864 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1866 * caller-save.c (insert_one_insn): Initialize the live_before and
1867 live_after register sets.
1871 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1872 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1873 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1874 (fp_reg_names, assembler_dialect): New variables.
1875 (print_operand_address): Handle SUBREGs.
1876 (print_operand): Added 'o' case.
1877 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1878 Name of FP registers depends on mode.
1879 (expand_block_move): Emit different code for SH4 hardware.
1880 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1881 (from_compare): Likewise.
1882 (add_constant): New argument last_value. Changed all callers.
1883 (find_barrier): Don't try HImode load for FPUL_REG.
1884 (machine_dependent_reorg): Likewise.
1885 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1886 (gen_far_branch): Emit a barrier after the new jump.
1887 (barrier_align): Don't trust instruction lengths before
1889 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1890 Use auto-inc addressing for fp registers if doubles need to
1891 be loaded in two steps.
1892 Set sh_flag_remove_dead_before_cse.
1893 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1894 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1895 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1896 Support for FIRST_XD_REG .. LAST_XD_REG.
1897 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1898 (sh_expand_epilogue): Likewise.
1899 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1900 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1901 (arith_reg_operand): FPUL_REG is OK for SH4.
1902 (fp_arith_reg_operand, fp_extended_operand) New functions.
1903 (tertiary_reload_operand, fpscr_operand): Likewise.
1904 (commutative_float_operator, noncommutative_float_operator): Likewise.
1905 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1906 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1907 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1908 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1909 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1910 (CONDITIONAL_REGISTER_USAGE): Likewise.
1911 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1912 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1913 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1914 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1915 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1916 to -1 and sh_flag_remove_dead_before_cse to 1.
1917 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1918 (assembler_dialect, fp_reg_names): Declare.
1919 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1920 Hide names of registers that are not accessible.
1921 (CACHE_LOG): Take TARGET_CACHE32 into account.
1922 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1923 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1924 (FIRST_PSEUDO_REGISTER: Now 49.
1925 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1926 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1927 (HARD_REGNO_MODE_OK): Update.
1928 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1929 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1930 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1931 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1932 (NPARM_REGS): Eight floating point parameter registers on SH4.
1933 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1934 in floating point registers.
1935 (GET_SH_ARG_CLASS) Likewise.
1936 Complex float types are also returned in float registers.
1937 (BASE_ARG_REG): Complex float types are also passes in float registers.
1938 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1939 (LIBCALL_VALUE): Remove trailing semicolon.
1940 (ROUND_REG): Round when double precision value is passed in floating
1942 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1943 passed on the stack.
1944 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1945 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1946 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1947 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1948 (MODE_DISP_OK_8): Not for SH4 DFmode.
1949 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1950 Allow indexed addressing for PSImode after reload.
1951 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1952 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1953 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1954 (DOUBLE_TYPE_SIZE): 64 for SH4.
1955 (RTX_COSTS): Add PLUS case.
1956 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1957 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1958 MAC_REGS, PR_REGS, DF_REGS.
1959 (REGISTER_NAMES): Use fp_reg_names.
1960 (enum processor_type): Add PROCESSOR_SH4.
1961 (sh_flag_remove_dead_before_cse): Declare.
1962 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1963 (PREDICATE_CODES): Add binary_float_operator,
1964 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1965 fpscr_operand, noncommutative_float_operator.
1966 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1967 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1968 * sh.md (attribute cpu): Add value sh4.
1969 (attrbutes fmovd, issues): Define.
1970 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1971 (function units memory, int, mpy, fp): Make dependent on issue rate.
1972 (function units issue, single_issue, load_si, load): Define.
1973 (function units load_store, fdiv, gp_fpul): Define.
1974 (attribute hit_stack): Provide proper default.
1975 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1976 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1977 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1978 (mulsi3_call): Now uses match_operand for function address.
1979 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1981 (push, pop, push_e, pop_e): Now define_expands.
1982 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1983 (movsi_ie): Added y/i alternative.
1984 (ic_invalidate_line_i, movdf_i4): New insns.
1985 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1986 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1987 (movdf): Add special code for SH4.
1988 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1989 (call_valuei, calli, call_value): Likewise.
1990 (movsf): Emit no-op move.
1991 (mov_nop, movsi_y): New insns.
1992 (blt, sge): generalize to handle DFmode.
1993 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1994 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1995 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1996 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1997 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1998 (toggle_sz): New insn.
1999 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2000 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2001 (macsf3): Make use of fpscr visible. Disable for SH4.
2002 (floatsisf2): Make use of fpscr visible.
2003 (floatsisf2_i4): New insn.
2004 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2005 (ieee_ccmpeqsf_t): Likewise.
2006 (fix_truncsfsi2): Emit different code for SH4.
2007 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2008 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2009 (negsf2, sqrtsf2, abssf2): Now expanders.
2010 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2011 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2012 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2013 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2014 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2015 (fix_truncdfsi2_i4_2+1): New splitters.
2016 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2017 (extendsfdf2, truncdfsf2): New expanders.
2018 (truncdfsf2_i4): New insn.
2019 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2020 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2021 * float-sh.h: When testing for __SH3E__, also test for
2022 __SH4_SINGLE_ONLY__ .
2023 * va-sh.h (__va_freg): Define to float.
2024 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2025 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2026 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2027 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2029 (TARGET_SH4_P): Define.
2032 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2033 init_expr_once is satisfied about the existence of load / store insns.
2035 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2036 change m constraint in source operand to mr / mf .
2038 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2040 * (__VA_REEF): Define.
2041 (__va_arg_sh1): Use it.
2043 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2045 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2047 * i386/dgux.c (struct option): Add new "description field".
2048 * m88k/m88k.c (struct option): Likewise.
2050 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2052 * version.c: Bump for snapshot.
2054 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2056 * regmove.c (regmove_profitable_p): Use return value of find_matches
2059 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2061 * version.c: Bump for snapshot.
2063 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2065 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2066 without reload having been called earlier.
2068 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2070 (v850_reorg): Similarly.
2072 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2074 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2076 * loop.c (move_movables): Start of libcall might be new loop start.
2078 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2080 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2082 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2084 * function.c (nonlocal_goto_handler_slots): Renamed from
2085 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2086 (push_function_context_to): Adjust for this change.
2087 (pop_function_context_from): Likewise.
2088 (init_function_start): Likewise.
2089 (expand_function_end): Likewise.
2090 * function.h (struct function): Likewise.
2091 * calls.c (expand_call): Likewise.
2092 * explow.c (allocate_dynamic_stack_space): Likewise.
2093 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2094 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2096 (expand_goto): When doing a nonlocal goto, find corresponding handler
2097 slot for it. Don't put the label address in the static chain register.
2098 (expand_end_bindings): Break out nonlocal goto handling code into
2099 three new functions.
2100 (expand_nl_handler_label, expand_nl_goto_receiver,
2101 expand_nl_goto_receivers): New static functions, broken out of
2102 expand_end_bindings and adapted to create one handler per nonlocal
2104 * function.c (delete_handlers): Delete insn if it references any of
2105 the nonlocal goto handler slots.
2106 * i960.md (nonlocal_goto): Comment out code that modifies
2108 * sparc.md (nonlocal_goto): Likewise.
2109 (goto_handler_and_restore_v9): Comment out.
2110 (goto_handler_and_restore_v9_sp64): Comment out.
2112 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2114 * expr.c (STACK_BYTES): Delete unused macro.
2115 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2116 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2117 (expand_call): Likewise.
2118 (emit_library_call): Likewise.
2119 (emit_library_call_value): Likewise.
2120 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2121 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2122 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2123 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2124 (allocate_dynamic_stack_space): Likewise.
2125 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2126 (STACK_BOUNDARY): Update description to reflect the new situation.
2128 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2130 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2131 return with a filled delay slot is followed by a return with an
2132 unfilled delay slot, delete the first return and reemit the insn
2133 that was previously in its delay slot.
2135 * i860.c (single_insn_src_p): Add missing parens.
2136 * ginclude/math-3300.h: Likewise.
2138 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2140 * regclass.c (init_reg_sets_1): Add prototype.
2141 (init_reg_modes): Likewise.
2143 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2145 * c-common.c: Change warning messages to say `comparison is
2146 always true' or `comparison is always false' instead of the
2147 confusing `is always 0', `is always 1'.
2149 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2151 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2152 break instead of return (which loses closing '>').
2154 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2156 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2157 standard 387 constants.
2159 * i386.md (jump): Explicitly set "memory" attribute.
2160 (indirect_jump, prologue_set_stack_ptr): Likewise.
2161 (prologue_get_pc_and_set_got, pop): Likewise.
2162 (allocate_stack_worder, blockage, return_internal): Likewise.
2163 (return_pop_internal, nop): Likewise.
2164 (epilogue_set_stack_ptr, leave): Likewise.
2166 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2168 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2170 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2172 * reload1.c (reload_reg_free_for_value_p):
2173 Early auto_inc reloads don't conflict with outputs.
2175 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2177 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2178 Instead call AC_HEADER_SYS_WAIT.
2180 * collect2.c: Don't provide defaults for sys/wait.h macros.
2182 * protoize.c: Likewise. Also, don't include sys/wait.h.
2184 * system.h: Include sys/wait.h and provide macro defaults.
2186 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2188 * Makefile.in (mandir): Set to @mandir@.
2189 (man1dir): New variable to hold the former value of $(mandir).
2190 Replace all uses of $(mandir) by $(man1dir).
2192 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2194 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2195 a new one before passing it to force_const_mem.
2197 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2198 find_reloads_address call.
2200 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2202 * expr.c (store_expr): Don't generate load-store pair
2203 if TEMP is identical (according to ==) with TARGET.
2205 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2207 * reload1.c (reload_reg_free_for_value_p): When considered reload
2208 has an output, matching inputs are not sufficient to avoid conflict.
2210 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2212 * hash.h (hash_table_key): New type.
2213 (hash_entry): Change `string' field to generic `key'.
2214 (hash_table): Add `comp' and `hash' functions.
2215 (hash_table_init): Take them as input.
2216 (hash_table_init_n): Likewise.
2217 (hash_lookup): Modify for generic keys.
2218 (hash_newfunc): Likewise.
2219 (hash_traverse): Likewise.
2220 (string_hash): New function.
2221 (string_compare): Likewise.
2222 (string_copy): Likewise.
2223 * hash.c (hash_table_init_n): Modify for generic keys.
2224 (hash_table_init): Likewise.
2225 (hash_lookup): Likewise.
2226 (hash_newfunc): Likewise.
2227 (hash_traverse): Likewise.
2228 (string_hash): Split out from hash_lookup.
2229 (string_compare): New function.
2230 (string_copy): Split out from hash_lookup.
2231 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2233 (symbol_hash_lookup): Likewise.
2234 (file_hash_newfunc): Likewise.
2235 (file_hash_lookup): Likewise.
2236 (demangled_hash_newfunc): Likewise.
2237 (demangled_hash_lookup): Likewise.
2238 (tlink_int): Likewise.
2239 (read_repo_file): Likewise.
2240 (recompile_files): Likewise.
2241 (demangle_new_symbols): Likewise.
2242 (scan_linker_output): Likewise.
2244 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2246 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2248 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2250 * rs6000.c (output_mi_thunk): Improve test for local branch.
2252 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2254 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2256 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2258 * reload1.c (reload_reg_free_before_p): Delete.
2259 Changed all callers to use reload_reg_free_for_value_p instead.
2260 (reload_reg_free_for_value_p): Handle more reload types.
2261 A RELOAD_FOR_INPUT doesn't conflict with its
2262 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2263 Add special case for OUT == const0_rtx.
2264 Added ignore_address_reloads argument. Changed all callers.
2266 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2268 * toplev.c (compile_file): Don't pedwarn about undefined static
2269 functions just because we passed -Wunused.
2271 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2273 * function.c (purge_addressof_1): Unshare rtl created by
2276 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2278 * regmove.c (regmove_optimize): Don't do anything but
2279 optimize_reg_copy[123] when flag_regmove is not set.
2281 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2283 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2284 value in paradoxical SImode result, rather than truncating midpoint.
2286 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2288 * alpha.c (reg_not_elim_operand): New.
2289 * alpha.h (PREDICATE_CODES): Add it.
2290 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2291 for the multiplicand.
2293 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2295 * rs6000.md (movsf): Remove explicit secondary-reload-like
2296 functionality. Only truncate SFmode store if in FPR.
2297 (movsf splitters): Combine const_double splitters.
2298 (movsf_hardfloat): Add GPR support.
2300 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2302 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2303 deprecate -mlive-g0 and -mbroken-saverestore.
2304 * t-splet (MULTILIB_OPTIONS): Likewise.
2306 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2307 in a leaf function. Clarify total_size/extra_size relationship.
2309 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2311 * i386/cygwin32.asm: Delete.
2312 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2313 * i386/cygwin32.h: Delete.
2314 * i386/cygwin.h: New file, renamed from cygwin32.h.
2315 * i386/t-cygwin32: Delete.
2316 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2317 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2318 * i386/x-cygwin32: Delete.
2319 * i386/x-cygwin: New file, renamed from x-cygwin32.
2320 * i386/xm-cygwin32: Delete.
2321 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2322 renamed cygwin_ funcs for path translations.
2323 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2324 * i386/winnt.c: Remove "32" from comment about cygwin.
2325 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2326 * rs6000/cygwin32.h: Delete.
2327 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2328 -D__CYGWIN__ to CPP_PREDEFINES.
2329 * rs6000/x-cygwin32: Delete.
2330 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2331 * rs6000/xm-cygwin32: Delete.
2332 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2334 * configure.in: Check for cygwin* instead of cygwin32. Account
2335 for the rename of cygwin-related config files to lose the "32"s.
2336 * configure: Regenerate.
2338 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2339 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2341 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2343 * Makefile.in (JAVAGC): New macro.
2344 * configure: Rebuilt.
2345 * configure.in: Recognize --enable-java-gc argument. Subst
2348 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2350 Handle equivalences that have been obscured by gcse:
2352 * reload1.c (reload): Handle equivalences set up in multiple places.
2353 * local-alloc.c (reg_equiv_init_insns): New variable.
2354 (no_equiv): New function.
2355 (update_equiv_regs): Handle equivalences set up in multiple places.
2356 Don't ignore an insn just because its destination is likely to be
2359 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2361 * except.c (expand_eh_return): Readd force_operand call lost in
2364 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2366 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2368 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2370 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2372 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2374 * regmove.c (regmove_optimize): Fix error in last change.
2376 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2378 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2379 offset in the .mask pseudo to compensate for frame pointer adjustments.
2380 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2381 word swap arguments moved to/from FP registers.
2382 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2384 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2386 * version.c: Bump for snapshot.
2388 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2390 * version.c: Bump for snapshot.
2392 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2394 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2395 times, then it can not be completely replaced.
2397 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2399 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2401 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2403 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2404 (to distinguish it from the macro wrapping ansidecl.h.)
2405 Include libiberty's ansidecl.h. Remove all redundant definitions.
2406 Define the PROTO() style macros in terms of the PARAMS() ones.
2409 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2410 __STDC__, when deciding whether to use ANSI variable args.
2411 (emit_library_call_value): Likewise.
2413 * cccp.c (error): Likewise.
2414 (warning): Likewise.
2415 (error_with_line): Likewise.
2416 (warning_with_line): Likewise.
2417 (pedwarn): Likewise.
2418 (pedwarn_with_line): Likewise.
2419 (pedwarn_with_file_and_line): Likewise.
2422 * cexp.y (error): Likewise.
2423 (pedwarn): Likewise.
2424 (warning): Likewise.
2426 * collect2.c (fatal_perror): Likewise.
2430 * combine.c (gen_rtx_combine): Likewise.
2432 * cpperror.c (cpp_message): Likewise.
2433 (cpp_fatal): Likewise.
2435 * cpplib.c (cpp_error): Likewise.
2436 (cpp_warning): Likewise.
2437 (cpp_pedwarn): Likewise.
2438 (cpp_error_with_line): Likewise.
2439 (cpp_warning_with_line): Likewise.
2440 (cpp_pedwarn_with_line): Likewise.
2441 (cpp_pedwarn_with_file_and_line): Likewise.
2443 * cpplib.h: Don't define PARAMS() macro.
2445 * demangle.h: Likewise.
2447 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2448 when deciding whether to use ANSI variable args.
2450 * emit-rtl.c (gen_rtx): Likewise.
2451 (gen_rtvec): Likewise.
2453 * final.c (asm_fprintf): Likewise.
2455 * fix-header.c (cpp_message): Likewise.
2457 (cpp_fatal): Likewise.
2459 * gcc.c (concat): Likewise.
2463 * genattr.c (fatal): Likewise.
2465 * genattrtab.c (attr_rtx): Likewise.
2466 (attr_printf): Likewise.
2469 * gencodes.c (fatal): Likewise.
2471 * genconfig.c (fatal): Likewise.
2473 * genemit.c (fatal): Likewise.
2475 * genextract.c (fatal): Likewise.
2477 * genflags.c (fatal): Likewise.
2479 * genopinit.c (fatal): Likewise.
2481 * genoutput.c (fatal): Likewise.
2484 * genpeep.c (fatal): Likewise.
2486 * genrecog.c (fatal): Likewise.
2488 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2489 deciding whether to declare `tree_node' and `rtx_def'.
2491 * hash.h: Don't define stuff we get from gansidecl.h.
2493 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2494 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2495 whether to use ANSI variable args.
2498 * prefix.c (concat): Likewise.
2502 * system.h: Likewise.
2504 * toplev.c (error_with_file_and_line): Likewise.
2505 (error_with_decl): Likewise.
2506 (error_for_asm): Likewise.
2509 (warning_with_file_and_line): Likewise.
2510 (warning_with_decl): Likewise.
2511 (warning_for_asm): Likewise.
2512 (warning): Likewise.
2513 (pedwarn): Likewise.
2514 (pedwarn_with_decl): Likewise.
2515 (pedwarn_with_file_and_line): Likewise.
2517 (really_sorry): Likewise.
2519 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2520 whether to declare `tree_node' and `rtx_def'.
2522 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2523 deciding whether to use ANSI variable args.
2524 (build_nt): Likewise.
2525 (build_parse_node): Likewise.
2527 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2529 * version.c: Bump for snapshot.
2531 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2533 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2535 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2537 * collect2.c (main, case 'b'): Use else if.
2539 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2541 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2542 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2543 before the config/ directory headers.
2544 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2545 gansidecl.h in the list of dependencies.
2547 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2548 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2549 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2550 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2551 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2552 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2555 * cccp.c: Don't include gansidecl.h.
2557 * collect2.c: Likewise.
2558 * config/c4x/c4x.c: Likewise.
2559 * config/v850/v850.h: Likewise.
2560 * cppalloc.c: Likewise.
2561 * cpperror.c: Likewise.
2562 * cppexp.c: Likewise.
2563 * cppfiles.c: Likewise.
2564 * cpphash.c: Likewise.
2565 * cpplib.c: Likewise.
2566 * cppmain.c: Likewise.
2567 * cppulp.c: Likewise.
2568 * demangle.h: Likewise.
2569 * doprint.c: Likewise.
2570 * dyn-string.c: Likewise.
2571 * eh-common.h: Likewise.
2572 * fix-header.c: Likewise.
2573 * frame.c: Likewise.
2576 * gen-protos.c: Likewise.
2577 * gencheck.c: Likewise.
2578 * halfpic.h: Likewise.
2580 * machmode.h: Likewise.
2581 * mbchar.c: Likewise.
2582 * prefix.c: Likewise.
2583 * protoize.c: Likewise.
2584 * recog.h: Likewise.
2586 * scan-decls.c: Likewise.
2588 * varray.h: Likewise.
2590 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2592 * i386.md (call_value_pop): If we're not popping anything,
2593 defer to call_value.
2594 (call_pop): Likewise defer to call.
2596 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2598 * function.c (purge_addressof): Clear purge_addressof_replacements
2599 only after processing the whole function.
2601 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2603 * reload1.c (reload): If we can not perform a particular elimination
2604 when we thought we could earlier, then we must always iterate through
2605 the loop at least one more time.
2607 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2609 * alpha.c (add_operand): Simplify the CONST_INT match.
2610 (sext_add_operand): Correct typo in comparison by using
2611 CONST_OK_FOR_LETTER_P.
2612 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2613 constant alternatives to be generated.
2614 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2615 small constants, since the hw instructions do.
2617 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2619 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2620 previous insn to store directly into our reload register, make sure
2621 that if the source of the previous insn is a reload register, its
2622 spill_reg_store and spill_reg_stored_to values are cleared.
2624 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2626 * rs6000.md (floatunssidf2_internal splitter): Use base register
2627 operand, not hard-coded SP.
2629 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2631 * jump.c (calculate_can_reach_end): Fix thinko.
2633 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2635 * reorg.c (fill_simple_delay_slots): Fix typo.
2637 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2639 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2641 * i386.md (extendsidi2): Use # in the output template.
2642 (extendsidi splitters): New splitters.
2644 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2646 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2648 * configure: Regenerate.
2650 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2652 * jump.c (init_label_info, delete_barrier_successors,
2653 mark_all_labels, delete_unreferenced_labels,
2654 delete_noop_moves, calculate_can_reach_end): New functions broken
2655 out of jump_optimize.
2656 (jump_optimize): Use them.
2658 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2660 * except.c (expand_fixup_region_end): Make sure outer context labels
2661 are not issued in an inner context during cleanups.
2663 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2665 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2668 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2670 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2671 to expose this midpoint to CSE.
2673 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2675 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2677 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2679 * configure.in: Bring over gcc2 change of Nov 19 1997.
2681 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2683 * toplev.c (output_lang_identify): Make definition dependent on
2684 ASM_IDENTIFY_LANGUAGE.
2686 * print-rtl.c (spaces): Make static.
2688 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2690 * extend.texi: Clarify proper uses for register clobbers in asms.
2692 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2694 * recog.h (enum op_type): Define.
2695 (constrain_operands): Adjust prototype.
2696 (recog_op_type): Declare new variable.
2697 * recog.c (recog_op_type): New variable.
2698 (insn_invalid_p): Allow modifying an asm statement after reload.
2699 (extract_insn): Set up recog_op_type.
2700 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2701 Don't compute operand types, use recog_op_type.
2702 Use the information computed by extract_insn instead of the previous
2703 method of finding it by insn code number.
2704 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2705 * reorg.c (fill_slots_from_thread): Likewise.
2706 * reload1.c (reload_as_needed): Likewise.
2707 (gen_reload): Likewise.
2708 (inc_for_reload): Likewise.
2709 (reload_cse_simplify_operands): Likewise.
2710 Use the information computed by extract_insn instead of the previous
2711 method of finding it by insn code number.
2712 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2714 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2715 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2716 Use the information computed by extract_insn instead of the previous
2717 method of finding it by insn code number.
2718 * regmove.c (find_matches): Likewise. Change meaning of the return
2719 value to be nonzero if the optimization can be performed, zero if
2720 not. All callers changed.
2721 Shorten some variable names to fix formatting problems.
2722 (regmove_optimize): Shorten some variable names to fix formatting
2724 Use the information computed by extract_insn instead of the previous
2725 method of finding it by insn code number.
2726 * regclass.c (scan_one_insn): Likewise.
2727 (record_reg_classes): Don't compute operand types, use recog_op_type.
2728 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2729 recog_constraints instead.
2731 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2733 * rtl.h (flow2_completed): Declare.
2734 * flow.c (flow2_completed): Definition.
2735 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2738 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2740 * Makefile.in (libcpp.a): Ranlib libcpp.a
2742 * cppulp.c (user_label_prefix): Initialize.
2744 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2746 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2747 at a RETURN if current_function_sp_is_unchanging is set.
2749 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2751 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2753 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2755 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2756 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2757 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2758 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2759 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2760 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2762 (LIB_SPEC): Handle -mno-cyginw option.
2763 (LINK_SPEC): Handle -mdll.
2765 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2767 * reload.c (find_reloads): Fix test for usage by other reload
2768 to handle secondary reloads properly.
2770 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2772 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2773 intermediate structure which has exactly the members provided by
2774 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2775 static intermediate structure.
2777 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2778 from the intermediate structure. Do the same analogous fix in
2779 the case where ELIMINABLE_REGS is not defined.
2781 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2783 * pa.h (SELECT_SECTION): Fix thinko.
2785 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2787 * dwarf2out.c (output_call_frame_info): Comments on last change.
2789 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2791 * arm.c (add_constant): When taking the address of an item in the
2792 pool, get the mode of the item addressed.
2794 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2795 contain a SET or a PARALLEL, don't consider it for conditional
2798 Restore ABI compatibility for NetBSD.
2799 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2801 (RETURN_IN_MEMORY): Likewise.
2803 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2805 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2806 (m32r_output_block_move): Rewrite bytes < 4 handling.
2808 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2810 * configure.in: Call AC_FUNC_VFORK.
2812 * collect2.c: Define VFORK_STRING as a printable string for
2813 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2814 defined, include vfork.h. If VMS is defined, define vfork()
2815 appropriately. Remove vfork check on USG, we're using autoconf.
2816 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2817 checking locally what string to pass.
2818 (scan_prog_file): Likewise.
2819 (scan_libraries): Likewise.
2821 * gcc.c: Remove vfork check on USG, we're using autoconf.
2822 Besides, no calls to vfork/fork occur in this file.
2824 * protoize.c: Likewise.
2826 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2828 * configure.in (DEFAULT_LINKER): renamed from LD
2829 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2830 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2831 * configure: rebuilt
2833 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2835 * BUGS: fix the regexp for `more' to find the appropriate node.
2836 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2838 * BUGS: added link to the WWW FAQ
2840 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2842 * version.c: Bump for snapshot.
2844 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2846 * From Christian Gafton:
2847 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2848 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2849 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2851 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2853 * c-common.c (c_get_alias_set): Allow all type-punning through
2854 unions. Don't get confused about the type of a bit-field, despite
2855 the antics of build_modify_expr.
2857 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2859 * fixinc.sco: Paramaterize #include_next values.
2860 * fixinc/fixinc.sco: Likewise.
2862 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2864 * toplev.c (rest_of_compilation): No longer set reload_completed.
2865 * reload1.c (reload): Set it here. Perform instruction splitting
2866 after reload has completed if we will be running the scheduler
2869 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2871 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2872 EH region if exceptions are enabled and we're performing cross
2874 (find_cross_jump): Exit loop if the insns are in different EH regions.
2876 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2878 * dwarf2out.c (output_call_frame_info): Use
2879 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2881 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2883 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2884 * c-common.c (check_format_info): Don't check for the 'x'
2885 format character twice, instead check for 'x' and 'X'
2887 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2889 * configure.in (assembler features): Also make gas is configured if
2890 we find it in the souce tree.
2892 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2894 * i386.c (i386_comp_type_attributes): Compare whether the
2895 attributes are defined, not their tree nodes.
2897 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2899 * configure.in (gxx_include_dir): bitten by autoconf quoting
2901 * configure: rebuilt
2903 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2905 * configure.in: Ignore non-absolute value in $AS.
2907 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2909 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2911 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2913 * configure.in (msdosdjgpp): Set exeext and target_alias.
2915 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2917 * flow.c (XNMALLOC): New macro.
2918 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2920 (add_edge, add_edge_to_label): New static functions.
2921 (free_bb_memory): New function.
2922 (flow_delete_insn): Delete function.
2923 (basic_block_drops_in): Delete variable.
2924 (find_basic_blocks): Allocate and initialize basic_block_head,
2925 basic_block_succ. Don't allocate basic_block_drops_in.
2926 Call free_bb_memory at the beginning.
2927 (find_basic_blocks_1): Don't do multiple passes.
2928 Delete code to compute basic_block_drops_in.
2929 After calling make_edges, mark blocks reached by current block live.
2930 Update test for unreachable live blocks.
2931 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2933 Simplify to call add_edge_to_label when a LABEL_REF is found.
2934 (make_edges): Simplify to call add_edge_to_label instead of
2935 mark_label_ref most of the time.
2936 Compute here whether control drops into the next block.
2937 (delete_unreachable_blocks): Return void. All callers changed.
2938 Delete unreachable blocks in reverse order.
2939 After deleting all unreachable blocks, renumber the remaining ones
2940 and update n_basic_blocks.
2941 (delete_block): Speed up deletion a bit.
2942 Don't set basic_block_drops_in for deleted blocks.
2943 (free_basic_block_vars): Don't free basic_block_drops_in.
2944 (life_analysis_1): Update to use new edge representation.
2945 (dump_flow_info): Delete code to print basic block info; call
2946 dump_bb_data instead.
2947 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2948 and uid_block_number.
2949 Simply copy the previously computed cfg.
2950 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2951 Print register lifetime information if LIVE_INFO is nonzero.
2952 * basic-block.h (dump_bb_data): Adjust prototype.
2953 * gcse.c (gcse_main): Update call to dump_bb_data.
2954 * rtl.h (free_bb_memory): Declare.
2955 * toplev.c (rest_of_compilation): Call free_bb_memory.
2957 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2958 (update_eliminable_offsets): Don't compute it.
2959 (set_initial_elim_offsets): Don't initialize it.
2960 Break out some code into set_initial_label_offsets so the rest of
2961 this function can be called from reload_as_needed.
2962 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2963 ELIMINABLE_REGS isn't.
2964 (set_initial_label_offsets): New function, broken out of
2965 set_initial_elim_offsets.
2966 (set_offsets_for_label): New function, broken out of set_label_offsets
2967 and reload_as_needed.
2968 (reload): Call the two new functions.
2969 (reload_as_needed): Call set_initial_elim_offsets instead of
2970 duplicating the code. Likewise for set_offsets_for_label.
2972 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2973 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2974 any hard reg, reg_reloaded_dead contains valid data.
2976 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2978 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2979 "stdcall" and "cdecl" attributes.
2981 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2983 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2984 handle deleted no-op moves of hard registers.
2985 * haifa-sched.c (update_flow_info): Likewise.
2987 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2989 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2990 of the sequences to reload the HILO register which do not actually
2993 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2995 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2997 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2999 * except.c (emit_eh_context): Make the EH context register stay alive
3000 at -O0 so stupid.c doesn't get confused.
3002 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3004 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3006 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3007 Jeffrey A Law (law@cygnus.com)
3009 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3010 (zero_extendsidi2): Use # in output template and handle completely by
3012 (zero_extend splitters): New define_splits.
3013 (ashiftrt_32): New pattern.
3015 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3017 * tree.c (append_random_chars): New fn.
3018 (get_file_function_name_long): Use it.
3020 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3022 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3023 (LIBCPP_OBJS): New. Add cppulp.o.
3024 (cppmain, fix-header): Depend on and use libcpp.a.
3025 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3026 of the individual object files.
3027 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3030 * cccp.c (user_label_prefix): New.
3031 (main): Set it off -f*leading-underscore.
3032 (special_symbol): Use it.
3033 * cpplib.c (special_symbol): Likewise.
3034 (cpp_handle_option): Handle -f*leading-underscore.
3035 * cppulp.c: New file.
3037 * output.h (user_label_prefix): Declare it.
3038 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3039 * toplev.c (f_options, main): Handle -f*leading-underscore.
3041 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3042 referencing USER_LABEL_PREFIX directly.
3043 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3044 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3045 * final.c (asm_fprintf): Use user_label_prefix instead.
3046 * arm/thumb.c (thumb_print_operand): Likewise.
3048 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3049 cpp wherever appropriate.
3051 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3053 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3054 specific compiler switches.
3056 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3058 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3061 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3063 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3064 structure which has exactly the members provided by EXTRA_SPECS.
3065 Xmalloc() the real `extra_specs', and initialize it from this
3066 intermediate structure.
3068 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3070 * mips.h (EXTRA_SPECS): Likewise.
3072 * sparc.h (EXTRA_SPECS): Likewise.
3074 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3076 * function.c (purge_addressof_1): Instead of aborting when a
3077 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3078 work just put the ADDRESSOF on stack. Otherwise remember all such
3079 successfull replacements, so that exactly the same replacements
3080 can be made on the REG_NOTEs. Remove the special case for CALL
3082 (purge_addressof_replacements): New variable.
3083 (purge_addressof): Clear it at end.
3085 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3087 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3088 (lang_init): Call check_newline always.
3089 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3090 cpp_start_read, set yy_cur and yy_lim to read from
3091 parse_in.token_buffer, so that we'll see the first #line
3093 * cpplib.c (cpp_start_read): finclude the main input file
3094 before processing -include/-imacros. Process -imacros and
3095 -include separately, and handle -include by stacking a
3096 buffer for the file in question as if it'd been #included.
3097 * toplev.c (documented_lang_options) Recognize -H when
3100 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3102 * cpplib.c: Merge do_once into do_pragma. Break file handling
3103 code out of do_include.
3104 Move append_include_chain, deps_output,
3105 file_cleanup, redundant_include_p, import_hash,
3106 lookup_import, add_import, read_filename_string, read_name_map,
3107 open_include_file, finclude, safe_read to cppfiles.c.
3108 Move prototypes for deps_output, append_include_chain,
3109 finclude to cpplib.h. Move definition of struct
3110 file_name_list there also.
3112 * cppfiles.c: New file. Contains all the above functions
3113 broken out of cpplib.c; also hack_vms_include_specification
3114 from cccp.c and find_include_file, a new function broken out of
3117 * Makefile.in (cppmain): Depend on cppfiles.o.
3118 (fix-header): Likewise.
3119 (cppfiles.o): New target.
3120 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3121 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3123 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3125 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3126 if pending_types is non-zero.
3127 (dwarfout_finish): Verify pending_types is zero before finishing.
3129 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3131 * expr.c (convert_move): Use shifts to perform the move if a
3132 suitable extend pattern cannot be found. Code written by
3133 Richard Henderson <rth@cygnus.com>.
3135 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3137 * regclass.c (renumber, regno_allocated): New static variables, moved
3138 out of allocate_reg_info.
3139 (allocate_reg_info): Move these two variables outside the function.
3140 Move code to free memory into new function free_reg_info.
3141 (free_reg_info): New function, broken out of allocate_reg_info.
3142 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3143 * rtl.h (allocate_reg_info): Don't declare.
3144 (free_reg_info): Declare.
3146 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3148 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3150 * toplev.c (compile_file): Temporarily revert last change.
3152 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3154 * c-typeck.c (convert_for_assignment): Parenthesize.
3156 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3158 * reload1.c (delete_output_reload): Avoid ambigous else.
3160 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3162 * toplev.c (compile_file): Call allocate_reg_info to free register
3164 * rtl.h (allocate_reg_info): Declare.
3166 * PROJECTS: Remove entry for local spilling.
3168 * final.c (cleanup_subreg_operands): New function.
3169 (final_scan_insn): Use it.
3170 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3172 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3173 operands when reload has finished.
3174 * reload.h (cleanup_subreg_operands): Declare..
3175 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3176 reload. Handled in reload itself.
3178 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3180 * reload1.c (verify_initial_offsets): New function.
3181 (reload): Call it after reload_as_needed. Also verify that the frame
3182 size stays constant during reload_as_needed.
3183 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3185 * reload.h (struct insn_chain): Add need_operand_change element.
3186 * reload1.c (new_insn_chain): Clear it.
3187 (calculate_needs_all_insns): Set it; don't overload need_reload.
3188 (reload_as_needed): Use it.
3190 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3191 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3192 and reload_address_index_reg_class.
3193 (find_reloads_address_1): Likewise.
3194 * reload.h (reload_address_base_reg_class,
3195 reload_address_index_reg_class): Don't declare.
3196 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3197 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3198 (used_spill_regs): Now static.
3199 (reload_address_base_reg_class, reload_address_index_reg_class,
3200 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3201 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3202 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3205 (init_reload): Delete code to compute base/index reg classes.
3206 (reload): Delete variable J.
3207 Delete code to manage basic_block_needs.
3208 Don't compute regs_explicitly_used.
3209 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3210 pseudo_previous_regs.
3211 Initialize bad_spill_regs_global.
3212 Don't call order_regs_for_reload here.
3213 Don't initialize spill_reg_order and n_spills.
3214 Don't forbid explicitly used regs to be used for spill regs.
3215 Change main loop to infinite loop, with explicit break statements.
3216 Make SOMETHING_CHANGED variable local to that loop.
3217 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3218 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3219 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3221 Don't call dump_needs.
3222 Delete code to reset potential_reload_regs.
3223 Delete code to terminate loop conditional on the global needs variables
3224 showing no further needs.
3225 (calculate_needs_all_insns): Return void. All callers changed.
3226 Initialize somehing_needs_elimination here, not in reload.
3227 Delete avoid_return_reg kludge.
3228 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3229 All callers changed.
3230 Initialize the group_mode and group_size elements of the arg CHAIN.
3231 Delete code to manage basic_block_needs.
3232 Operate on elements of CHAIN instead of global variables.
3233 Delete avoid_return_reg kludge.
3234 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3235 All callers changed.
3236 Operate on elements of CHAIN instead of global variables.
3237 Delete special SMALL_REGISTER_CLASSES code.
3238 Delete spill_failure code; now in new_spill_reg.
3239 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3240 All callers changed.
3241 Operate on elements of CHAIN instead of global variables.
3242 (maybe_mark_pseudo_spilled): New static function.
3243 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3244 All callers changed.
3245 Operate on elements of CHAIN instead of global variables.
3246 Call order_regs_for_reload here, not in reload.
3247 Initialize spill_reg_order and n_spills.
3248 Simplify test whether an asm insn is involved.
3249 Delete spill_failure code; now in new_spill_reg.
3250 Call maybe_mark_pseudo_spilled for everything marked as live in
3251 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3253 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3254 compiler from optimizing this function (now unused) away.
3255 Operate on elements of CHAIN instead of global variables.
3256 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3258 Operate on elements of CHAIN instead of global variables.
3259 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3260 take CHAIN arg. All callers changed.
3261 Operate on elements of CHAIN instead of global variables.
3262 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3263 CHAIN, NONGROUP args. Return void. All callers changed.
3264 Verify caller isn't trying to spill a pseudo.
3265 Simplify test for illegal reg, just use bad_spill_regs.
3266 Generate better error messages.
3267 Operate on elements of CHAIN instead of global variables.
3268 Mark spilled register in CHAIN's used_spill_regs element.
3269 Don't call spill_hard_reg.
3270 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3271 Mark spilled hard regs in bad_spill_regs_global.
3272 Mark affected pseudos in spilled_pseudos, but don't spill them.
3273 (ior_hard_reg_set): New static function.
3274 (finish_spills): Return int. All callers changed.
3275 Compute spill_reg_order, n_spills and spill_regs here. Also update
3276 regs_ever_live for regs used as spills.
3277 For every pseudo in spilled_pseudos, spill it and mark the previous
3278 hard reg it had in pseudo_previous_regs. Compute which hard regs
3279 arseudo): New static function.
3280 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3281 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3282 hard registers explicitly used across the current insn into the set.
3283 Compute hard_reg_n_uses taking only pseudos live across this insn
3285 Tweak sorting of potential_reload_regs.
3286 (compare_spill_regs): Delete function.
3287 (reload_as_needed): Don't sort the spill_regs array, it's computed
3288 in proper order in finish_spills.
3289 Delete avoid_return_reg kludge.
3290 Delete code to manage basic_block_needs.
3291 (allocate_reload_reg): Minor speed/readability tweaks.
3292 Operate on elements of CHAIN instead of global variables.
3293 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3294 Delete avoid_return_reg kludge.
3295 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3296 Delete unused label FAIL.
3297 (reload_combine): Replce reload_address_index_reg_class with
3299 Don't use used_spill_regs to determine information about lifetime of
3302 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3304 * toplev.c (display_help): Ignore empty target specific
3305 options, and if -W is also specified on the command line then
3306 display undocumented options.
3308 * config/arm/arm.c: Updated with changes in devo sources.
3309 * config/arm/arm.h: Updated with changes in devo sources.
3310 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3311 * config/arm/lib1thumb.asm: Add ELF support.
3313 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3315 * collect2.c (aix64_flag): New variable.
3316 (main, case 'b'): Parse it.
3317 (GCC_CHECK_HDR): object magic number must match mode.
3318 (scan_prog_file): Only check for shared object if valid header.
3319 Print debugging if header/mode mismatch.
3321 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3323 Added support for arm-elf-linux configuration, submitted by Philip
3324 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3325 code developed by Catherine Moore <clm@cygnus.com>. The following
3328 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3331 * configure: Regenerated.
3333 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3334 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3335 definitions conditional on their not having been already defined.
3337 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3338 and .type directives, and add "(PLT)" qualification to function
3341 * config/arm/linux.h: Deleted. This file is now superceeded by
3342 either linux-elf.h or linux-aout.h.
3344 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3345 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3347 Move definitions from old linux.h file here.
3349 * config/arm/elf.h: New file. Generic ARM/ELF support.
3351 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3353 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3355 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3356 using the 26bit APCS.
3358 * config/arm/unknown-elf.h: New file. Support for OS'es other
3359 than Linux with ELF.
3361 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3364 * config/arm/coff.h: Include aout.h for basic assembler macros.
3365 Add support for -mstructure_size_boundary=<n> command line option.
3367 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3368 command line option. Make macro definitions conditional on their
3369 not having been already defined.
3371 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3372 command line option.
3375 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3377 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3378 has been changed to not include a newline. Use this macro instead.
3379 (output_enumeral_list, const_value_attribute, name_attribute,
3380 comp_dir_attribute, prototyped_attribute, producer_attribute,
3381 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3382 dwarfout_file_scope_decl, generate_new_sfname_entry,
3383 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3384 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3386 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3388 * combine.c (subst): Process the inputs to a parallel asm_operands
3391 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3393 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3395 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3397 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3399 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3401 * version.c: Bump for snapshot.
3403 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3405 * stmt.c (expand_fixup): Set fixup->before_jump to a
3406 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3408 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3410 * Makefile.in (recog.o): Depend on toplev.h.
3411 (insn-emit.o): Depend on recog.h.
3412 (insn-peep.o): Depend on recog.h and insn-config.h.
3414 * combine.c (simplify_set): Remove unused variable `scratches'.
3416 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3417 and `idx' in macro conditional controlling their use.
3419 * genemit.c (main): Make the generated output file include
3420 recog.h. Don't have it declare `insn_operand_constraint', since
3421 we get it from recog.h.
3423 * genpeep.c (main): Make the generated output file include
3424 insn-config.h and recog.h.
3426 * recog.c: Include toplev.h.
3427 (extract_insn): Remove unused variable `p'.
3429 * regclass.c (fix_register): Add missing braces around initializer
3431 (allocate_reg_info): Move variable `i' into the scope where it is
3432 used. Change its type to `size_t'.
3434 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3436 * reload.c (push_reload): When merging reloads, make sure
3437 that reload_in_reg and reload_in are from the same reload in
3440 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3442 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3443 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3445 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3447 * loop.c (loop_has_tablejump): New variable.
3448 (prescan_loop): Scan for it.
3449 (insert_bct): Replace explicit scan with use of it.
3450 * regclass.c (regclass): Restore loop variable j.
3451 (record_reg_classes): Deterine op_types modifiers and initialize
3452 classes[i] before matching constraints. Handle matching
3455 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3457 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3460 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3462 * mips.h (EXTRA_SPECS): Add missing initializers.
3464 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3466 * sparc.h (EXTRA_SPECS): Add missing initializers.
3467 (sparc_defer_case_vector): Provide a prototype.
3469 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3470 comparing it to the result of a pointer subtraction.
3472 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3474 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3475 the argument to (unsigned char).
3477 * alpha.h (EXTRA_SPECS): Add missing initializers.
3478 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3481 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3483 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3484 (propagate_block): Delete dead code after reload.
3486 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3487 back Oct 15, 1998 change.
3488 * haifa-sched.c (update_flow_info): Likewise.
3489 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3491 * mn10200.md (truncated shift): Accept constant inputs too.
3493 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3495 * machmode.h (mode_mask_array): No longer const.
3496 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3498 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3500 * frame.c: Somewhat explain `FDE'.
3501 Suggested by Brendan Kehoe
3503 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3505 * expr.c (pending_chain): Move up.
3506 (save_expr_status): Do save pending_chain.
3507 (restore_expr_status): And restore it.
3508 * function.h (struct function): Add pending_chain.
3510 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3512 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3513 did not match the code.
3515 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3517 * regclass.c (regclass): Break out some code into new function
3518 scan_one_insn, and into regclass_init.
3519 (init_cost): New static variable, moved out of regclass.
3520 (regclass_init): Initialize it here, not in .
3521 (scan_one_insn): New static function, broken out of regclass.
3522 * recog.c (apply_change_group): Break out some code into new
3523 function insn_invalid_p.
3524 (insn_invalid_p): New static fn, broken out of apply_change_group.
3526 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3528 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3529 reg_reloaded_contents matches incremented pseudo.
3531 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3533 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3535 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3536 addressing modes with side effects. These are currently
3537 placeholders for the C4x target.
3539 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3541 * loop.c (express_from): Make sure that when generating a PLUS of
3542 a PLUS, any constant expression appears on the outermost PLUS.
3544 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3546 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3547 works if "$(srcdir)" != ".".
3549 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3551 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3552 existing SUBREG if we can, otherwise abort.
3554 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3556 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3557 `restrict' is applied to a non-pointer variable.
3559 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3561 * invoke.texi: Document -flang-isoc9x.
3563 * Makefile.in (OBJS): Add splay-tree.o.
3564 (c-common.o): Depend on rtl.h.
3565 (splay-tree.o): List dependencies and provide build rule.
3567 * rtl.h (record_alias_subset): New function.
3568 * alias.c: Include splay-tree.h.
3569 (alias_set_entry): New type.
3570 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3571 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3572 (mems_in_disjoin_alias_sets_p): New function.
3573 (alias_set_compare): Likewise.
3574 (insert_subset_children): Likewise.
3575 (get_alias_set_entry): Likewise.
3577 * tree.h (TYPE_RESTRICT): New macro.
3578 (TYPE_UNQUALIFIED): New manifest constant.
3579 (TYPE_QUAL_CONST): Likewise
3580 (TYPE_QUAL_VOLATILE): Likewise.
3581 (TYPE_QUAL_RESTRICT): Likewise.
3582 (tree_type): Add restrict_flag. Reduce count of free bits.
3583 (DECL_POINTER_ALIAS_SET): New macro.
3584 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3585 (tree_decl): Add pointer_alias_set.
3586 (build_qualified_type): New function.
3587 (build_type_variant): Define in terms of build_qualified_type.
3588 * tree.c (set_type_quals): New function.
3589 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3590 (build_type_attribute_variant): Use build_qualified_type and
3592 (build_type_variant): Rename, and modify, to become...
3593 (build_qualified_type): New function.
3594 (build_complex_type): Use set_type_quals.
3596 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3597 (C_TYPE_FUNCTION_P): Likewise.
3598 (C_TYPE_INCOMPLETE_P): Likewise.
3599 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3600 (c_apply_type_quals_to_decl): New function.
3601 (c_build_qualified_type): New function.
3602 (c_build_type_variant): Define in terms of c_build_qualified_type.
3603 (flag_isoc9x): Declare.
3604 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3605 (common_type): Change to use TYPE_QUALS.
3606 (comptypes): Likewise.
3607 (convert_for_assignment): Likewise.
3608 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3609 * c-decl.c (flag_isoc9x): Define.
3610 (c_decode_option): Handle -flang-isoc9x.
3611 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3612 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3613 * c-lex.c (init_lex): Deal with restrict.
3614 (init_lex): Don't treat restrict as a reserved word in
3615 -traditional mode, or without -flang-isoc9x.
3616 * c-lex.h (rid): Add RID_RESTRICT.
3617 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3618 equivalent to RID_RESTRICT.
3619 * c-parse.in (TYPE_QUAL): Update comment.
3620 * c-common.c: Include rtl.h.
3621 (c_find_base_decl): New function.
3622 (c_build_type_variant): Rename, and modify, to become ...
3623 (c_build_qualified_type): New function.
3624 (c_apply_type_quals_to_decl): Likewise.
3625 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3626 a particular alias set for the reference.
3627 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3629 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3631 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3632 command line switches.
3634 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3636 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3639 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3641 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3643 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3645 * regclass.c (fix_register): Add error message.
3646 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3649 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3651 * c-decl.c (warn_missing_noreturn): New global variable.
3652 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3653 (finish_function): Implement missing noreturn warning.
3655 * c-tree.h (warn_missing_noreturn): Declare extern.
3657 * invoke.texi: Document new flags.
3659 * toplev.c (documented_lang_options): Add description.
3661 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3663 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3664 loop optimization stable for the C4x.
3665 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3666 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3667 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3669 (c4x_address_conflict): Be more paranoid when packing a volatile
3670 memref in a parallel load/store.
3672 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3674 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3675 repeat_block_filler): Deleted.
3676 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3677 Condition code not set if destination register from 'c' class.
3678 (*subbqi3_carry_clobber): Fix typo.
3680 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3682 * reorg.c (steal_delay_list_from_target) Check for insns that
3683 modify the condition codes and effect the direction of the jump
3686 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3688 * function.c (purge_addressof_1): Replace call to
3689 emit_insns_before() with emit_insn_before().
3691 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3693 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3695 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3697 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3699 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3701 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3702 clobbered across calls.
3704 * loop.c (scan_loop): Be more selective about what invariants are
3705 moved out of a loop.
3707 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3709 * version.c: Bump for snapshot.
3711 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3713 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3714 static eh_context structure.
3716 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3718 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3720 (try_combine): Don't update max_scratch.
3721 * flow.c (max_scratch, num_scratch): Delete variables.
3722 (life_analysis_1): Don't initialize max_scratch.
3723 (propagate_block): Don't update max_scratch.
3724 (mark_set_1): Don't increment num_scratch.
3725 * regs.h (max_scratch): Delete declaration.
3727 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3729 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3730 is nonzero. This is temporary!
3732 * sched.c (update_flow_info): Handle death notes made invalid by
3733 instruction splitting. Partially reverts Oct 15, 1998 patch.
3734 * haifa-sched.c (update_flow_info): Likewise.
3736 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3738 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3739 if it has a nonzero DECL_INITIAL.
3741 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3743 * Makefile.in (flow.o): Depend on recog.h.
3745 * cpplib.h (directive_table): Add missing initializiers.
3746 (finclude): Change type of variable `bsize' to size_t.
3748 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3750 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3752 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3753 `int' when comparing against one.
3754 (cpp_file_line_for_message): Mark parameter `pfile' with
3756 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3758 * flow.c: Include recog.h.
3759 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3761 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3762 `f' with ATTRIBUTE_UNUSED.
3763 (reposition_prologue_and_epilogue_notes): Likewise.
3765 * genopinit.c (gen_insn): Cast argument of ctype functions to
3768 * haifa-sched.c: Include recog.h.
3769 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3770 comparing against one.
3772 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3774 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3776 (parse_ent): Likewise.
3777 (parse_input): Likewise.
3779 * optabs.c (init_libfuncs): Likewise.
3781 * protoize.c (find_rightmost_formals_list): Likewise.
3783 * recog.h (const_double_operand): Fix typo in prototype.
3785 * tlink.c (scan_linker_output): Cast the argument of ctype
3786 function to `unsigned char'.
3788 * toplev.c (check_lang_option): Cast the result of `strlen' to
3789 `int' when comparing against one.
3791 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3793 * gcse.c (dump_cuid_table): Correct typo.
3795 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3797 * toplev.c (display_help): Prepend '-m' to target specific
3799 (check_lang_option): Ignore text after end of first word of a
3800 language specific option.
3802 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3804 * reload1.c (reg_used_by_pseudo): New static variable.
3805 (choose_reload_regs): Initialize it.
3806 Use it instead of testing spill_reg_order to determine whether a
3807 pseudo is live in a hard register across the current insn.
3808 Fix a typo in a reference to reload_reg_rtx.
3810 * flow.c (propagate_block): Replace code that computes and uses
3811 regs_sometimes_live with simpler code that just walks the set of
3812 currently live registers.
3814 * Makefile.in (insn-extract.o): Fix dependencies.
3815 * genextract.c (main): Generate includes for insn-config.h and
3817 Delete generation of declarations which are now in recog.h.
3818 * genrecog.c (main): Delete generation of definitions which are
3820 * local-alloc.c (block_alloc): Use extract_insn and the variables
3821 it sets up instead of looking up values by insn_code.
3822 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3823 recog_dup_num): Define here instead of generating the definition in
3825 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3826 recog_operand_mode, recog_constraints, recog_operand_address_p):
3828 (extract_insn): New function.
3829 * recog.h (extract_insn): Declare function.
3830 (which_alternative, recog_n_operands, recog_n_dups,
3831 recog_n_alternatives, recog_operand_mode, recog_constraints,
3832 recog_operand_address_p): Declare variables.
3833 * regclass.c (n_occurrences): New static function.
3834 * reload.c (n_occurrences): Delete function.
3835 (find_reloads): Use extract_insn.
3836 * reload.h (n_occurrences): Delete declaration.
3838 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3840 * reload1.c (reload_as_needed): Fix test for when to call
3841 update_eliminable_offsets.
3843 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3845 Fix consistency problems with reg_equiv_{mem,address};
3846 Improve reload inheritance;
3848 * reload.c (reload_out_reg): New variable.
3849 (loc_mentioned_in_p, remove_address_replacements): New functions.
3850 (remove_replacements): Deleted.
3851 (push_reload): Set reload_out_reg[i].
3852 When merging, also set reload_{in,out}_reg[i], and remove
3853 duplicate address reloads.
3854 (combine_reloads): Copy reload_out_reg[i].
3855 (find_reloads): Do make_memloc substitution also when
3856 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3858 Include *recog_operand_loc in commutativity operand changes.
3859 Generate optional output reloads.
3860 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3861 processing operands. Call make_memloc in reg_equiv_address code.
3862 Set *recog_operand_loc only after processing operands, and only
3863 if replace is true. Return a value.
3864 When changing address reload types for operands that didn't get
3865 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3866 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3867 Don't emit USEs for pseudo SUBREGs when not replacing.
3868 (find_reloads_address): Do make_memloc substitution also when
3869 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3871 (find_reloads_toplev): Likewise.
3872 Call make_memloc in reg_equiv_address code.
3873 (debug_reload_to_stream): Add code to output reload_out_reg.
3874 (make_memloc): Delete local variable i, ifdefed out code, and
3875 references to memlocs and n_memlocs.
3876 (memlocs, n_memlocs): Delete.
3877 (push_secondary_reload): Clear reload_out_reg.
3878 (find_reloads_address_1): Provide memrefloc argument to all calls
3879 to find_reloads_address.
3880 In AUTO_INC code, handle non-directly addressable equivalences properly.
3881 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3882 (find_reloads): Add return type.
3883 (remove_address_replacements, deallocate_reload_reg): Declare.
3884 * reload1.c (num_not_at_initial_offset): No longer static.
3885 (delete_address_reloads, delete_address_reloads_1): Likewise.
3886 (deallocate_reload_reg): New function.
3887 (spill_reg_stored_to): New array.
3888 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3889 (eliminate_regs_in_insn): Move assignments of previous_offset and
3890 max_offset fields, and recalculation of num_not_at_initial_offset
3891 into new static function:
3892 (update_eliminable_offsets) .
3893 (reload_as_needed): Call update_eliminable_offsetss after calling
3895 Call forget_old_reloads_1 with contents of reloaded auto_inc
3896 expressions if the actual addressing can't be changed to match the
3898 (choose_reload_regs): For inheritance, replace
3899 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3900 remove stand-alone reload_reg_used_at_all test.
3901 Use reload_out_reg to determine which reload regs have output reloads.
3902 Treat reload_override_in more similar to inherited reloads.
3903 Handle (subreg (reg... for inheritance.
3904 For flag_expensive_optimizations, add an extra pass to remove
3905 unnecessary reloads from known working inheritance.
3906 Delete obsolete code for pseudos replaced with MEMs.
3907 Handle inheritance from auto_inc expressions.
3908 (emit_reload_insns): If reload_in is a MEM, set OLD to
3910 Don't reload directly from oldequiv; if it's a pseudo with a
3911 stack slot, use reload_in[j].
3912 Check that reload_in_reg[j] is a MEM before replacing reload_in
3913 from reg_reloaded_contents.
3914 Include non-spill registers in reload inheritance processing.
3915 Also try to use reload_out_reg to set spill_reg_store /
3916 reg_last_reload_reg.
3917 In code to set new_spill_reg_store, use single_set to find out if
3918 there is a single set.
3919 Add code that allows to delete optional output reloads.
3920 Add code to allow deletion of output reloads that use no spill reg.
3921 At the end, set reload_override_in to oldequiv.
3922 Also call delete_output_reload if reload_out_reg is equal to old
3924 Add code to call delete_output_reload for stores with no matching load.
3925 Set / use spill_reg_stored_to.
3926 Handle case where secondary output reload uses a temporary, but
3927 actual store isn't found.
3928 When looking for a store of a value not loaded in order to call
3929 delete_output_reload, count_occurences should return 0 for no
3930 loads; but discount inherited input reloadill_reg_stored_to.
3931 Do checks for extra uses of REG. Changed all
3933 Use delete_address_reloads.
3934 (reload): Take return value of find_reloads into account.
3935 If a no-op set needs more than one reload, delete it.
3936 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3937 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3938 for the same operand.
3939 (clear_reload_reg_in_use): Check for other reloads that keep a
3941 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3942 RELOAD_FOR_OPADDR_ADDR.
3943 Take into account when an address address reload is only needed
3944 for the address reload we are considering.
3945 (count_occurrences): Use rtx_equal_p for MEMs.
3946 (inc_for_reload): Return instruction that stores into RELOADREG.
3947 New argument two, IN, and rtx. Changed all callers.
3948 (calculate_needs_all_insns, reload_as_needed):
3949 Don't clear after_call for a CLOBBER.
3950 Keep track of how many hard registers need to be copied from
3951 after_call, and don't clear after_call before we have seen
3952 that much copies, or we see a different instruction.
3954 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3956 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3957 after reload has completed.
3959 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3961 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3962 a macro name and the next token with a single blank if that whitespace
3963 is in a macro buffer and the next token is not '('.
3965 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3967 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3969 (skip_if_group): Ditto.
3970 (skip_to_end_of_comment): Ditto.
3972 (discard_comments): Ditto.
3973 (change_newlines): Ditto.
3975 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3977 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3979 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3981 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3982 (TARGET_OPTIONS): Add --help documentation.
3984 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3986 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3988 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3990 * fixinc/* Moved in from ../contrib directory in preparation
3991 for integrating it into the normal build process. In particular,
3992 fixinc/Makefile.in must be config-ed into the build directory
3993 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3994 ./configure.in will be "in the mail" momentarily.
3996 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3998 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3999 accidently walk into the free list. Comment how that can happen.
4000 (invalidate): Fix indentation.
4002 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4003 Jeffrey A Law (law@cygnus.com)
4005 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4006 reload. Never perform rescans of the insn chain after reload.
4007 (propagate_block): Do not delete insn or create new autoinc addressing
4010 * jump.c (jump_optimize): Unconditionally use the code that was
4011 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4012 * reload1.c (reload): When reloading is finished, delete all
4013 REG_DEAD and REG_UNUSED notes.
4014 (emit_reload_insns): Delete all code that was conditional on
4015 PRESERVE_DEATH_INFO_REGNO_P.
4016 (no_longer_dead_regs): Delete variable.
4017 (reload_cse_delete_death_notes): Delete function.
4018 (reload_cse_no_longer_dead): Delete function.
4019 (reload_cse_regs_1): Delete all code to handle deletion of death
4021 (reload_cse_noop_set_p): Likewise.
4022 (reload_cse_simplify_set): Likewise.
4023 (reload_cse_simplify_operands): Likewise.
4024 (reload_cse_move2add): Likewise.
4025 * reorg.c (used_spill_regs): Delete declaration.
4026 (max_label_num_after_reload): Delete declaration.
4027 (find_dead_or_set_registers): Don't assume that spill regs are
4028 dead at a CODE_LABEL.
4029 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4031 * sched.c (sched_analyze_insn): Likewise.
4032 (update_flow_info): Likewise.
4033 * haifa-sched.c (sched_analyze_insn): Likewise.
4034 (update_flow_info): Likewise.
4035 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4036 * toplev.c (max_label_num_after_reload): Delete variable.
4037 (rest_of_compilation): Don't set max_label_num_after_reload.
4038 Call life_analysis after reload_cse_regs if optimizing.
4039 * config/gmicro/gmicro.h: Delete comment referring to
4040 PRESERVE_DEATH_INFO_REGNO_P.
4041 * config/i386/i386.h: Likewise.
4042 * config/m88k/m88k.h: Likewise.
4043 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4044 * config/sh/sh.h: Likewise.
4046 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4048 * loop.c (strength_reduce): Restore marking bct_p as
4050 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4051 HAVE_decrement_and_branch_on_count.
4052 (small_data_operand): Remove TARGET_ELF condition for marking
4053 parameters ATTRIBUTE_UNUSED.
4055 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4057 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4058 (SELECT_SECTION): Resync with svr4.h.
4060 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4062 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4065 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4067 * c-pragma.c (handle_pragma_token): Test for null tree before
4068 dereferencing TREE_CODE.
4070 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4072 * config/c4x/c4x.c: Convert to use GEN_INT.
4073 (c4x_parallel_process): Rework to handle new repeat loop structure.
4075 * config/c4x/c4x.md: Convert to use GEN_INT.
4076 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4077 (decrement_and_branch_on_count): Likewise.
4079 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4080 loop.c has the desired functionality.
4081 (rc_reg_operand): New prototype.
4083 * config/c4x/t-c4x: Can now build all front ends.
4085 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4087 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4089 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4091 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4092 * config/t-rtems: Do not install assert.h -- use newlib's.
4094 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4096 * combine.c (combine_instructions): When finished, call init_recog.
4097 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4099 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4101 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4103 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4105 * cppalloc.c (memory_full): Mark function prototype with
4108 * demangle.h (collect_exit): Likewise.
4110 * fix-header.c (v_fatal, fatal): Likewise.
4112 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4115 * gcov.c (print_usage): Likewise.
4117 * genattr.c (fatal, fancy_abort): Likewise.
4119 * genattrtab.c (fatal, fancy_abort): Likewise.
4121 * gencodes.c (fatal, fancy_abort): Likewise.
4123 * genconfig.c (fatal, fancy_abort): Likewise.
4125 * genemit.c (fatal, fancy_abort): Likewise.
4127 * genextract.c (fatal, fancy_abort): Likewise.
4129 * genflags.c (fatal, fancy_abort): Likewise.
4131 * genopinit.c (fatal, fancy_abort): Likewise.
4133 * genoutput.c (fatal, fancy_abort): Likewise.
4135 * genpeep.c (fatal, fancy_abort): Likewise.
4137 * genrecog.c (fatal, fancy_abort): Likewise.
4139 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4140 __sjpopnthrow, __throw): Likewise.
4142 * objc/objc-act.c (objc_fatal): Likewise.
4144 * protoize.c (usage, aux_info_corrupted,
4145 declare_source_confusing): Likewise.
4147 * rtl.c (dump_and_abort): Likewise.
4149 * rtl.h (sets_cc0_p): Likewise.
4151 * toplev.c (float_signal, pipe_closed): Likewise.
4153 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4155 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4156 when generating the decision tree for the general case.
4158 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4159 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4161 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4163 * Makefile.in (sched.o): Depend on recog.h.
4165 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4166 (unsigned) when comparing against one.
4167 (find_base_value): Likewise.
4168 (record_base_value): Cast variable `regno' to (unsigned) when
4169 comparing against one. Cast the result of REGNO() macro to
4170 (unsigned) when comparing against one.
4171 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4173 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4174 variable where an unsigned index is needed.
4176 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4177 before comparing against one.
4179 * collect2.c: Add prototypes for functions `error', `fatal' and
4180 `fatal_perror'. Make these functions take variable arguments
4181 instead of faking it with a fixed number of args.
4182 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4185 * combine.c (can_combine_p): Mark parameter `pred' with
4187 (find_split_point): Cast variable `src' to (unsigned
4188 HOST_WIDE_INT) when comparing against one.
4189 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4190 (simplify_logical): Likewise.
4191 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4192 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4193 HOST_WIDE_INT) in shift.
4194 (simplify_and_const_int): Cast result of INTVAL() macro to
4195 `unsigned HOST_WIDE_INT' when comparing against one.
4196 (merge_outer_ops): Cast variable const0 to `unsigned
4197 HOST_WIDE_INT' when comparing against the result of
4198 GET_MODE_MASK() macro.
4199 (simplify_comparison): Likewise for variable `c0'. Cast variable
4200 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4201 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4202 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4203 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4204 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4205 comparing against one.
4206 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4208 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4209 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4210 (output_block_move): Cast `sizeof' expression to (int) when
4211 comparing against one.
4212 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4214 (save_restore_insns): Cast `base_offset' to `long' to match format
4215 specifier in fprintf.
4217 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4218 to `enum machine_mode'.
4220 * flow.c (life_analysis_1): Remove unused variable `insn'.
4222 * gcc.c (translate_options): Move variables `j' and `k' into the
4223 scope in which they are used. Change their types to `size_t'.
4224 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4225 (read_specs): Likewise.
4226 (process_command): Cast `sizeof' to (int) when comparing against one.
4227 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4228 (handle_braces): Cast both sides of `==' expression to `long' to
4229 ensure sign matching.
4230 (main): Cast variable `i' to `int' when comparing against one.
4232 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4233 int to size_t. Cast variable `i' to size_t when comparing against
4236 * genattrtab.c (convert_set_attr_alternative): Remove unused
4237 parameter `insn_code'. All callers changed.
4238 (convert_set_attr): Likewise.
4240 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4241 size_t when comparing against one. Likewise for variable `len'.
4243 * global.c (global_alloc): Cast variable `max_regno' to size_t
4244 when comparing against one. Likewise for variable `max_allocno'.
4246 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4248 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4249 `set' with ATTRIBUTE_UNUSED.
4250 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4253 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4254 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4255 (get_condition): Cast variable `const_val' to `unsigned
4256 HOST_WIDE_INT' when comparing against one. Cast unsigned
4257 expression to HOST_WIDE_INT when comparing against one.
4258 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4259 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4260 `unsigned' when comparing against one.
4262 * protoize.c (is_id_char): Change type of parameter `ch' to
4264 (munge_compile_params): Cast argument of ctype macro to (const
4266 (process_aux_info_file): Cast variable `aux_info_size' to int when
4267 comparing against one.
4268 (forward_to_next_token_char): Cast argument of ctype macro to
4269 `const unsigned char'.
4270 (edit_formals_lists): Likewise.
4271 (find_rightmost_formals_list): Likewise.
4272 (add_local_decl): Likewise.
4273 (add_global_decls): Likewise.
4274 (edit_fn_definition): Likewise.
4275 (do_cleaning): Likewise.
4276 (scan_for_missed_items): Likewise.
4277 (edit_file): Cast variable `orig_size' to (int) when comparing
4279 (main): Cast argument of ctype macro to `const unsigned char'.
4281 * recog.c (const_int_operand): Mark parameter `mode' with
4284 * regclass.c (record_reg_classes): Change type of variable `c' to
4285 `unsigned char'. Cast `char' array index to `unsigned char'.
4287 * reload.c (push_secondary_reload): Cast argument to
4288 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4290 * reload1.c (calculate_needs): Cast `char' array index to
4292 (set_label_offsets): Change type of variable `i' to unsigned int.
4293 Cast result of XVECLEN() macro to unsigned when comparing against
4295 (mark_not_eliminable): Change type of variable `i' to unsigned.
4296 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4297 when comparing against one.
4298 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4299 comparing against one.
4300 (choose_reload_regs): Hide unused label `fail'.
4301 (reload_cse_simplify_operands): Cast `char' array index to
4303 (reload_combine_note_store): Mark parameter `set' with
4304 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4306 (reload_cse_move2add): Remove unused variable `src2'.
4308 * sched.c: Include recog.h.
4309 (sched_note_set): Remove unused parameter `b'. All callers
4311 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4312 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4313 when comparing against one.
4315 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4316 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4317 comparing against one.
4319 * unroll.c (precondition_loop_p): Remove unused parameter
4320 `loop_end'. All callers changed.
4322 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4324 * reload1.c (maybe_fix_stack_asms): New static function.
4327 * reload.h (compute_use_by_pseudos): Declare.
4329 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4330 (something_needs_reloads): Delete variable.
4331 (finish_spills): New function.
4332 (compute_use_by_pseudos): New function.
4334 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4335 Use the reload_insn_chain instead of walking the rtl directly.
4337 (reload): Allocate and free spilled_pseudos.
4338 Ensure that all calls of spill_hard_reg are followed by a call to
4340 Use the insns_need_reload list instead of something_needs_reloads
4341 to find out if reload_as_needed must be called.
4342 Clear unused_insn_chains at the end.
4344 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4346 Delete code to keep track of current basic block.
4347 Walk reload_insn_chain instead of the rtl structure. Build the
4348 insns_need_reload chain.
4349 Remember which insns need reloading/elimination by setting the
4350 appropriate fields in struct insn_chain, not by putting modes on the
4353 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4354 arg INSN. All callers changed.
4355 Delete declaration of struct needs.
4356 Don't set something_needs_reloads.
4357 Record insn needs in the CHAIN argument.
4359 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4361 (reload_as_needed): Lose FIRST arg. All callers changed.
4362 Walk the reload_insn_chain instead of the rtx structure.
4363 Delete code to keep track of current basic block.
4364 Rename one of the NEXT variables to OLD_NEXT.
4366 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4368 (choose_reload_regs): Likewise.
4370 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4373 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4374 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4375 (hard_regs_live, hard_regs_need_restore): Delete variables.
4376 (n_regs_saved): Now static.
4377 (referenced_regs, this_insn_sets): New variables.
4379 (setup_save_areas): Restructure the code a bit.
4381 (restore_referenced_regs): Delete function.
4382 (mark_referenced_regs): New function, similar to the old
4383 restore_referenced_regs, but mark registers in referenced_regs.
4385 (clear_reg_live): Delete function.
4386 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4387 Only mark registers in this_insn_sets.
4389 (save_call_clobbered_regs): Rework this function to walk the
4390 reload_insn_chain instead of using the list of instructions directly.
4391 Delete code to keep track of register lives, compute live regs on the
4392 fly from information in the chain.
4393 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4394 then walk the set it computes and call insert_restore as appropriate.
4396 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4398 Restructure the code a bit. Test hard_regs_saved instead of
4399 hard_regs_need_restore.
4400 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4401 args. All callers changed.
4402 Restructure the code a bit. Use TO_SAVE to determine which regs to
4403 save instead of more complicated test.
4404 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4406 Create a new insn_chain structure for the new insn and place it
4409 * rtl.texi: Update documentation to reflect that reload no longer
4410 puts modes on the insns.
4412 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4414 * function.c (purge_addressof_1): Force the first argument of a
4415 CALL insn to memory.
4417 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4419 * rtl.h: Delete duplicate prototypes. Add some missing
4421 * rtlanal.c: (for_each_rtx): Formatting tweak.
4423 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4425 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4426 to be compatible with TI compiler.
4428 * Makefile.in (USER_H): Add va-c4x.h to definition.
4430 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4432 * function.c (purge_addressof_1): Fix typo in inequality: do
4433 bitfield optimization for equal mode sizes.
4434 * expmed.c (store_bit_field): Don't take subregs of subregs in
4435 the movstrict case. Tidy a potential problem in the multi-word case.
4436 (extract_bit_field): Likewise.
4438 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4440 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4442 Compute max_uid_for_flow by calling get_max_uid after the scan.
4443 (find_basic_blocks_1): Don't emit NOPs here.
4445 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4447 * alias.c (base_alias_check): Accept new args for the modes of the
4448 two references. Use them to determine if an AND can overlap. Update
4450 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4451 to determine if an AND can overlap.
4453 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4455 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4456 check. Add comment to document problems with TARGET_SUN_FPA version
4458 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4460 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4462 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4464 * c-common.c (print_char_table): Add missing initializers.
4465 (scan_char_table): Likewise.
4466 (time_char_table): Likewise.
4468 * c-decl.c (c_decode_option): Mark parameter `argc' with
4470 (declare_parm_level): Mark parameter `definition_flag' with
4473 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4474 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4477 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4479 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4481 (expand_call): Cast result of MIN() to (unsigned int) when
4482 comparing against an unsigned value.
4484 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4486 (make_definition): Remove unused parameter `op'. All callers
4488 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4489 comparing against the result of pointer arithmetic.
4491 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4492 when comparing against one.
4494 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4495 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4497 (output_die): Move variable `i' into the scope in which it is
4498 used. Change its type to `unsigned'.
4499 (output_die): Cast the result of `strlen' to (int) when passing it
4500 to ASM_OUTPUT_ASCII().
4501 (output_pubnames): Likewise.
4502 (output_line_info): Likewise.
4504 * emit-rtl.c (global_rtl): Add missing initializers.
4506 * explow.c (promote_mode): Mark parameter `for_call' with
4509 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4510 `unsigned HOST_WIDE_INT' when comparing against one.
4511 (synth_mult): Change type of variable `cost' to int.
4512 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4514 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4515 when comparing against one.
4516 (get_inner_reference): Change variable `alignment' to unsigned.
4517 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4518 int) when comparing against one.
4519 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4521 * fold-const.c (div_and_round_double): Cast BASE to
4522 (HOST_WIDE_INT) when comparing against one.
4524 * gencheck.c: Include gansidecl.h.
4525 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4527 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4528 `tcode' with ATTRIBUTE_UNUSED.
4530 * real.c (edivm): Cast constant value to (unsigned long) in
4531 expression compared against an unsigned value.
4533 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4534 comparing against one.
4535 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4536 when comparing against one.
4538 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4539 (unsigned int) when comparing against one. Likewise for
4541 (smallest_mode_for_size): Likewise.
4542 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4543 (restore_storage_status): Likewise.
4545 * toplev.c (debug_args): Add missing initializer.
4546 (f_options): Spelling correction. Add missing initializers.
4547 (documented_lang_options): Likewise.
4548 (debug_end_source_file): Mark parameter `lineno' with
4551 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4552 `decl' and `type' with ATTRIBUTE_UNUSED.
4554 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4555 when comparing against one.
4556 (assemble_variable): Mark parameter `top_level' with
4558 (assemble_external_libcall): Mark parameter `fun' with
4560 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4563 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4565 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4566 Replace use of r5 with use of r19.
4568 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4570 * config/v850/v850.c (compute_register_save_size): Allow for the
4571 fact that helper functions save all registers, not just those used
4574 Replace constant 31 with macro LINK_POINTER_REGNUM.
4576 * config/v850/v850.md: Use 'indirect_operand' rather than
4577 'memory_operand' for bit test/set/clear patterns.
4579 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4581 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4582 * varasm.c (assemble_start_function et al): Don't call
4583 ASM_GLOBALIZE_LABEL for weak symbols.
4585 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4587 * cse.c (equiv_constant): Check for NULL return from
4588 gen_lowpart_if_possible().
4590 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4592 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4594 * collect2.c (main): Pass -EL/-EB through to the compiler.
4596 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4598 * expr.c (push_block): Handle targets where the stack grows
4599 to higher addresses, but args grow to lower addresses and
4600 ACCUMULATE_OUTGOING_ARGS is not defined.
4602 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4604 * config/v850/v850.c (print_operand): Extend meaning
4605 of 'c' operands to support .vtinherit.
4607 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4609 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4610 Added ATTRIBUTE_UNUSED to unused function arguments.
4611 (rc_reg_operand): New predicate.
4612 (c4x_rptb_insert): New function.
4613 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4614 (c4x_optimization_options): New function.
4616 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4617 (decrement_and_branch_on_count): New pattern.
4618 (rptb_top): Modified pattern to work with BCT optimization.
4620 * config/c4x/c4x.h (RC_REG): New register class.
4621 (rc_reg_operand): Define prototype.
4622 (IS_RC_REG): New macro.
4623 (IS_RC_OR_PSEUDO_REG): New macro.
4624 (IS_RC_OR_PSEUDO_REGNO): New macro.
4625 (OPTIMIZATION_OPTIONS): Define.
4627 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4629 * collect2.c (extract_init_priority): No priority is 65535.
4631 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4633 * Makefile.in (build_tooldir): new variable, same as old
4634 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4635 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4636 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4638 * configure.in (gxx_include_dir): set default based on unlibsubdir
4639 * Makefile.in (tooldir): ditto
4640 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4641 gxx_include_dir, includedir and tooldir
4642 (protoize.o, unprotoize.o): ditto
4644 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4646 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4648 * config/arm/thumb.c (thumb_override_options): Add warning about
4649 PIC code not being supported just yet.
4651 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4653 * flow.c: Update comment.
4654 (notice_stack_pointer_modification): New static function.
4655 (record_volatile_insns): Use it.
4656 (mark_regs_live_at_end): Mark the stack pointer as alive
4657 at the end of the function if current_function_sp_is_unchanging
4659 (life_analysis_1): Set current_function_sp_is_unchanging.
4660 * function.c: Define it.
4661 (init_function_start): Initialize it.
4662 * output.h: Declare it.
4663 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4664 the stack pointer as alive at the end of the function if
4665 current_function_sp_is_unchanging is set.
4666 * i386.c (ix86_epilogue): Optimize the restoring
4667 of the stack pointer.
4669 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4671 * version.c: Bump for snapshot.
4673 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4675 * c-pragma.c (handle_pragma_token): If passed a token instead
4676 of a tree, use that as the pack value.
4678 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4680 * flow.c (find_basic_blocks_1): Fix prototype.
4682 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4684 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4685 (struct tree_decl): New fields no_check_memory_usage.
4686 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4687 (init_attributes): Register it as a new attribute.
4688 (decl_attributes): Set flags on functions given that attribute.
4689 * c-decl.c (duplicate_decls): Merge new attribute.
4690 * expr.h (current_function_check_memory_usage): Declare new var.
4691 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4692 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4693 current_function_check_memory_usage.
4694 * function.h: Add field to struct function.
4695 * function.c (current_function_check_memory_usage): Define it.
4696 (push_function_context_to, pop_function_context_from): Save and
4698 (expand_function_start): Set it, based on global flag and function
4701 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4702 check non-automatic variables, to permit detection of writes to
4703 read-only locations in embedded systems without memory management.
4704 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4705 when emitting chkr_set_right_libfunc call, even if the argument is
4706 BLKmode or variable-sized; don't abort.
4708 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4709 symbols in Pmode, not VOIDmode.
4711 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4713 * cppexp.c: When forcing unsigned comparisons, cast both sides
4716 * cpphash.h: Move static declaration of hashtab[]...
4717 * cpphash.c: ...here.
4719 * cpplib.c: Cast difference of two pointers to size_t before
4720 comparing it to size_t. Cast signed to unsigned
4721 before comparing to size_t. (FIXME: struct argdata should use
4722 unsigned buffer sizes.)
4723 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4724 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4725 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4726 size_t before comparison.
4728 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4730 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4731 (find_basic_blocks_1): Similarly.
4732 * output.h (find_basic_blocks): Fix prototype.
4733 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4734 find_basic_blocks anymore.
4736 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4738 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4739 (sbitmap_free, sbitmap_vector_free): New macros.
4740 * output.h (rtl_dump_file): Declare.
4742 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4744 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4746 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4748 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4750 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4751 (divide): Remove unused variable `tmp'.
4752 (si_to_float): Cast numeric constant to (SItype) before comparing
4755 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4757 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4758 * gcc.c (add_preprocessor_option): Correct typo when allocating
4759 memory, sizeof() argument had one too many `*'.
4760 (add_assembler_option): Likewise.
4761 (add_linker_option): Likewise.
4762 * gcov.c (output_data): Likewise.
4763 * local-alloc.c (memref_used_between_p): Likewise.
4764 (update_equiv_regs): Likewise.
4765 * loop.c (strength_reduce): Likewise.
4766 * reg-stack.c (record_asm_reg_life): Likewise.
4767 (subst_asm_stack_reg): Likewise.
4768 * reorg.c (dbr_schedule): Likewise.
4770 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4772 * flow.c (life_analysis_1): Break out some functions.
4773 (find_basic_blocks_1): Likewise. Also move some variables out and
4775 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4776 new static var nonlocal_label_list with it.
4777 (active_eh_region, nested_eh_region, label_value_list,
4778 nonlocal_label_list): New static variables.
4779 (make_edges, delete_unreachable_blocks, delete_block): New static
4780 functions, broken out of find_basic_blocks_1.
4781 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4782 noop_move_p): New static functions, broken out of life_analysis_1.
4784 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4786 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4787 Take extra care for op0 now possibly being a subreg.
4788 (extract_bit_field): Likewise.
4789 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4790 the reg to memory if there is no equal sized integral mode.
4791 * stor-layout.c (int_mode_for_mode): New function.
4792 * machmode.h: Prototype it.
4794 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4796 * global.c (build_insn_chain): Verify no real insns exist past the
4797 end of the last basic block, then exit the loop.
4799 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4801 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4803 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4805 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4807 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4809 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4811 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4813 * flow.c (find_basic_blocks): Correctly determine when a call
4814 is within an exception region.
4816 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4818 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4820 * cpplib.h: Protect from multiple inclusions.
4821 * cpplib.c: Fix minor formatting problems.
4823 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4825 * jump.c (jump_optimize): Revert accidental patch.
4827 * Makefile.in (cpplib.o): Use unlibsubdir.
4829 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4831 * loop.c (get_condition): Allow combine when either compare is
4834 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4836 * version.c: Bump for snapshot.
4838 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4840 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4841 (init_lex): Initialize ridpointers[RID_BYREF].
4842 * c-lex.h (enum rid): Add RID_BYREF.
4843 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4844 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4845 (encode_type_qualifiers): Similarly
4846 * c-gperf.h: Rebuilt.
4848 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4850 * c-common.c (type_for_mode): Only return TItype nodes when
4851 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4852 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4853 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4854 (init_decl_processing): Only create TItype nodes when
4855 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4856 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4857 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4859 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4861 * stmt.c (n_occurrences): New static function.
4862 (expand_asm_operands): Verify that all constrains match in the
4863 number of alternatives.
4864 Verify that '+' or '=' are at the beginning of an output constraint.
4865 Don't allow '&' for input operands.
4866 Verify that '%' isn't written for the last operand.
4867 * reload.c (find_reloads): Abort if an asm is found with invalid
4868 constraints; all possible problems ought to be checked for earlier.
4870 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4872 * flags.h (flag_branch_on_count_reg): Always declare
4873 * toplev.c (flag_branch_on_count_reg): Likewise.
4874 * toplev.c: Fix typos.
4876 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4879 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4881 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4883 (find_basic_blocks_1): Add a nop to the end of a basic block when
4884 a trailing call insn does not have abnormal control flow.
4885 * gcse.c (pre_transpout): New variable.
4886 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4887 (compute_pre_transpout): Calculate it.
4888 (compute_pre_ppinout): Use it to eliminate impossible placements
4889 due to abnormal control flow through calls.
4890 (compute_pre_data): Call compute_pre_transpout.
4892 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4894 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4896 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4898 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4899 and matching define_insns): Tack on a `use' of the table label, so
4900 flow analysis will recognize a tablejump.
4902 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4904 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4905 always end basic blocks for abnormal edge reasons.
4907 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4909 * config/i386/i386.h: Remove definition of
4910 HANDLE_PRAGMA_PACK_PUSH_POP.
4912 * config/i386/go32.h: Add definition of
4913 HANDLE_PRAGMA_PACK_PUSH_POP.
4915 * config/i386/win32.h: Add definition of
4916 HANDLE_PRAGMA_PACK_PUSH_POP.
4918 * config/i386/cygwin32.h: Add definition of
4919 HANDLE_PRAGMA_PACK_PUSH_POP.
4921 * c-pragma.c (insert_pack_attributes): Do not insert
4922 attributes unless #pragma pack(push,<n>) is in effect.
4924 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4926 * expr.c (emit_group_store): Handle a PARALLEL destination.
4928 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4930 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4931 the new insns before the argument regs are loaded.
4933 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4935 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4936 (c-parse.gperf): Update comments describing invocation flags.
4937 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4939 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4941 * reload1.c (reload): Call free before clobbering the memory
4942 locations or constants pointers.
4944 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4946 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4947 for efficiency by checking whether we need to modify the current
4948 stack permission at all.
4949 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4950 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4951 __enable_execute_stack libcall here too if
4952 TRANSFER_FROM_TRAMPOLINE is defined.
4953 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4956 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4958 * Makefile.in (DRIVER_DEFINES): Remove last change.
4960 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4962 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4963 insns we're going to copy.
4964 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4966 * loop.c (count_one_set): Add prototype.
4968 * caller-save.c (restore_referenced_regs): Lose mode argument.
4969 (insert_save): Lose mode argument.
4970 (insert_restore): Lose mode argument.
4971 (insert_one_insn): Lose mode argument.
4972 (save_call_clobbered_regs): Lose mode argument.
4973 (setup_save_areas): Take no argument and return void. All callers
4975 Don't verify validity of memory addresses.
4976 * reload.h (setup_save_ares): Adjust prototype.
4977 (save_call_clobbered_regs): Likewise.
4978 * reload1.c (delete_caller_save_insns): New function.
4979 (caller_save_spill_class): Delete variable.
4980 (caller_save_group_size): Delete variable.
4981 (reload): Call setup_save_areas and save_call_clobbered_regs
4982 in the main loop, before calling calculate_needs_all_insns.
4983 Don't call save_call_clobbered_regs after the loop.
4984 Call delete_caller_save_insns at the end of an iteration if
4986 Delete code to manage caller_save_spill_class.
4987 Emit the final note before setting reload_first_uid.
4988 Simplify test that determines whether reload_as_needed gets run.
4989 (calculate_needs): Delete code to manage caller_save_spill_class.
4991 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4993 * collect2.c (main): Initialize ld_file_name.
4995 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4997 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4998 check for flag_function_sections.
5000 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5002 * cse.c (insert_regs): Fix bug in Sep 24 change.
5004 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5006 * flags.h (flag_dump_unnumbered): Declare.
5007 * toplev.c (flag_dump_unnumbered): Don't declare.
5008 * print-rtl.c (flags.h): Include.
5009 (print_rtl_single): Add return value.
5010 * rtl.h (print_rtl_single): Update declaration.
5011 * flow.c (flag_dump_unnumbered): Don't declare.
5012 (print_rtl_with_bb): Use return value of print_rtl_single.
5014 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5016 * loop.c (count_one_set): New static function, broken out of
5018 (count_loop_regs_set): Call it.
5019 * global.c (mark_reg_store): Handle clobbers here by not calling
5021 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5022 is in fact a clobber.
5023 * integrate.c (process_reg_param): New function, broken out of
5024 expand_inline_function.
5025 (expand_inline_function): Call it.
5028 * i386.md (addsidi3_1): Delete unused variable temp.
5029 (addsidi3_2): Likewise.
5030 (clstrstrsi): Delete unused variable addr1.
5032 * rtl.h: Don't declare any functions also declared in recog.h.
5034 * Makefile.in (stupid.o): Update dependencies.
5035 (global.o): Likewise.
5037 * global.c: Include reload.h
5038 (reg_becomes_live): New function.
5039 (reg_dies): New function.
5040 (build_insn_chain): New function.
5041 (global_alloc): Call build_insn_chain before calling reload.
5043 * reload.h (struct needs): New structure definition.
5044 (struct insn_chain): Likewise.
5045 (reload_insn_chain): Declare variable.
5046 (new_insn_chain): Declare function.
5049 * reload1.c (reload_startobj): New variable.
5050 (reload_insn_chain): New variable.
5051 (unused_insn_chains): New variable.
5052 (new_insn_chain): New function.
5053 (init_reload): Initialize reload_startobj, not reload_firstobj.
5054 (reload): Initialize reload_firstobj.
5055 Before returning, free everything on the reload_obstack.
5057 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5058 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5059 current_chain): New variables.
5060 (reg_where_born): Delete variable.
5061 (REG_WHERE_BORN): New macro.
5062 (find_clobbered_regs): New function.
5063 (stupid_life_analysis): Don't allocate/free reg_where_born.
5064 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5065 reg_where_dead_chain.
5066 Use REG_WHERE_BORN instead of reg_where_born.
5067 While processing the insns, build the reload_insn_chain with
5068 information about register lifetimes.
5069 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5070 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5072 Compute and information about birth and death of pseudo registers in
5073 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5074 Delete code to set elements of reg_where_born.
5076 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5078 * tree.def (GOTO_EXPR): Modified documentation.
5079 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5082 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5084 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5085 loop_final_value, loop_comparison_code): No longer static.
5086 (unroll_loop): Delete loop_start_value update.
5087 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5088 loop_final_value, loop_comparison_code): Extern.
5089 (loop_start_value): Delete extern.
5090 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5091 loop_comparison_value, loop_comparison_code): Delete.
5092 (loop_optimize): Remove initialization for deleted variables.
5093 (strength_reduce): Delete analyze_loop_iterations call. Only call
5094 insert_bct if flag_branch_count_on_reg set.
5095 (analyze_loop_iterations): Delete.
5096 (insert_bct): Remove iteration count calculation. Move checks for
5097 viable BCT optimization to here. Obtain iteration count from
5098 loop_iterations and correct for unrolling. Check for enough
5099 iteration to be beneficial. Comment out runtime iteration count
5101 (insert_bct): Print iteration count in dump file. Remove
5102 loop_var_mode and use word_mode directly.
5104 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5105 * rs6000.c (rs6000_override_options): Use it.
5106 (optimization_options): Enable use of flag_branch_on_count_reg.
5107 * rs6000.md (define_function_unit): Describe 604e.
5109 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5111 * loop.c (move_movables): Corrected threshold calculation for
5112 moved_once registers.
5114 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5116 * loop.c (combine_givs_p): Fix test for identical givs.
5118 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5120 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5121 call abort if the function is already defined.
5123 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5125 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5126 truncation is not a no-op.
5128 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5130 * version.c: Bump for snapshot.
5132 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5134 * version.c: Bump for snapshot.
5136 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5138 * expmed.c (expand_divmod): Don't widen for computing remainder
5139 if we seem to have a divmod pattern for needed mode.
5141 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5143 * cpplib.c (macroexpand): Correct off-by-one error in handling
5146 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5148 * combine.c (expand_field_assignment): Don't do bitwise operations
5149 on MODE_FLOAT; pun to MODE_INT if possible.
5151 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5152 scott snyder <snyder@d0sgif.fnal.gov>
5154 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5155 linker. Recognize mangled names in quotes.
5157 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5159 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5160 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5161 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5162 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5164 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5166 * function.c (purge_addressof_1): If trying to take a sub-word
5167 integral piece of a floating point mode, put it on the stack.
5169 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5171 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5173 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5175 * PROJECTS: Remove template friends.
5177 * collect2.c (sort_ids): Remove unused variable.
5179 * tm.texi (MATH_LIBRARY): Document.
5180 (NEED_MATH_LIBRARY): Remove.
5182 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5183 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5185 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5187 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5188 last_end to 0x7fffffff.
5190 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5192 * function.c (purge_addressof_1): Do not perform endianness
5193 corrections on bitpos, who we call will do it for us.
5195 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5197 * h8300.c (WORD_REG_USED): Fix typo.
5198 (initial_offset): Use WORD_REG_USED.
5200 * h8300.c (handle_pragma): Fix typo.
5202 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5204 * caller-save.c (insert_save_restore): Break this function up
5205 into new functions insert_restore, insert_save and insert_one_insn.
5206 All callers changed.
5207 (insert_restore): New function, mostly broken out of
5208 insert_save_restore.
5209 (insert_save): Likewise.
5210 (insert_one_insn): Likewise.
5211 (restore_referenced_regs): New argument BLOCK. All callers changed.
5212 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5213 in this function, do it in insert_one_insn instead.
5215 * reload1.c (reload): Break out some more pieces into separate
5217 (dump_needs): New function, broken out of reload.
5218 (set_initial_elim_offsets): Likewise.
5219 (init_elim_table): Likewise.
5220 (update_eliminables): Likewise.
5222 * global.c (global_alloc): Delete code to manage the scratch_list.
5223 * local-alloc.c (qty_scratch_rtx): Delete.
5224 (scratch_block): Delete.
5225 (scratch_list): Delete.
5226 (scratch_list_length): Delete.
5227 (scratch_index): Delete.
5228 (alloc_qty_for_scratch): Delete.
5229 (local-alloc): Update initialization of max_qty.
5230 Delete code to manage the scratch list.
5231 Delete code to allocate/initialize qty_scratch_rtx.
5232 (block_alloc): Don't allocate quantities for scratches.
5233 Delete code to manage the scratch list.
5234 * regs.h (scratch_list): Delete declaration.
5235 (scratch_block): Delete declaration.
5236 (scratch_list_length): Delete declaration.
5237 * reload1.c (reload): Delete code to manage the scratch list.
5238 (spill_hard_reg): Likewise.
5239 (mark_scratch_live): Delete.
5241 * recog.c (alter_subreg): Delete declaration.
5243 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5245 * Makefile.in (cccp.o): Fix typo in last patch.
5247 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5249 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5250 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5252 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5254 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5255 NULL_RTX as an argument.
5257 * Makefile.in (unlibsubdir): Define.
5258 (DRIVER_DEFINES): Use unlibsubdir.
5259 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5260 (stmp-fixinc): Similarly.
5262 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5264 * regmove.c (regmove_optimize): Add variable old_max_uid.
5265 At the end of the function, update basic_block_end.
5267 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5269 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5270 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5273 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5275 * config/arm/arm.c: Improve interworking support.
5277 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5279 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5280 copied from reload_out[r] .
5282 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5284 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5285 with more than three size ranges.
5287 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5289 * rtl.c (mode_name): Add a null string at the end of the array.
5290 (mode_wider_mode): Change type to unsigned char.
5291 (mode_mask_array): New variable.
5292 (init_rtl): Update for mode_wider_mode type change.
5294 * rtl.h (mode_wider_mode): Change type to unsigned char.
5295 (mode_mask_array): Declare.
5296 (GET_MODE_MASK): Use mode_mask_array.
5298 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5300 * calls.c (expand_call) : Encapsulate code into
5301 copy_blkmode_from_reg.
5302 * expr.c (copy_blkmode_from_reg): New function.
5303 * expr.h (copy_blkmode_from_reg): New function.
5304 * integrate.c (function_cannot_inline_p): We can inline
5306 (expand_inline_function): Use copy_blkmode_from_reg
5307 if needed. Avoid creating BLKmode REGs.
5308 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5311 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5313 * config/v850/v850.c: Add function prototypes.
5314 Add support for v850 special data areas.
5316 * config/v850/v850.h: Add support for v850 special data areas.
5318 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5319 HANDLE_PRAGMA_PACK_PUSH_POP.
5320 (push_alignment): New function: Cache an alignment requested
5321 by a #pragma pack(push,<n>).
5322 (pop_alignment): New function: Pop an alignment from the
5324 (insert_pack_attributes): New function: Generate __packed__
5325 and __aligned__ attributes for new decls whilst a #pragma pack
5327 (add_weak): New function: Cache a #pragma weak directive.
5328 (handle_pragma_token): Document calling conventions. Add
5329 support for #pragma pack(push,<n>) and #pragma pack (pop).
5331 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5332 are defined enable HANDLE_PRAGMA_PACK.
5333 Move 'struct weak_syms' here (from varasm.c).
5334 Add pragma states for push and pop pragmas.
5336 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5339 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5340 HANDLE_GENERIC_PRAGMAS.
5342 * varasm.c: Move definition of 'struct weak_syms' into
5344 (handle_pragma_weak): Deleted.
5346 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5348 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5350 * c-decl.c (start_function): Add invocation of
5351 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5353 * tm.texi: Remove description of non-existant macro
5354 SET_DEFAULT_SECTION_NAME.
5356 (HANDLE_SYSV_PRAGMA): Document.
5357 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5359 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5361 * config.sub: Recognize i[34567]86-pc-udk as new target.
5362 * configure.in: Likewise.
5363 * config/i386/t-udk: New file.
5364 * config/i386/udk.h: New file.
5366 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5368 * reorg.c (check_annul_list_true_false): Remove unused variables.
5369 (steal_delay_list_from_target): Add missing "used_annul" variable.
5370 (try_merge_delay_insns): Close out half formed comment.
5372 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5374 * cpplib.c (macroexpand): If arg->raw_before or
5375 arg->raw_after, remove any no-reexpansion escape at the
5376 beginning of the pasted token. Correct handling of whitespace
5377 markers and no-reexpand markers at the end if arg->raw_after.
5379 * toplev.c (documented_lang_options): Recognize -include,
5380 -imacros, -iwithprefix, -iwithprefixbefore.
5381 * cpplib.c (cpp_start_read): Process -imacros and -include
5382 switches at the same time and in command-line order, after
5383 initializing the dependency-output code. Emit properly nested
5384 #line directives for them. Emit a #line for the main file
5385 before processing these switches, and don't do it again
5388 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5390 * function.c (purge_addressof_1): Use bitfield manipulation
5391 routines to handle mem mode < reg mode.
5393 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5395 * reorg.c (try_merge_delay_insns): Account for resources referenced
5396 in each instruction in INSN's delay list before trying to eliminate
5397 useless instructions. Similarly when looking at a trial insn's delay
5400 * reorg.c (check_annul_list_true_false): New function.
5401 (steal_delay_list_from_{target,fallthrough}): Call it and also
5402 refine tests for when we may annul if already filled a slot.
5403 (fill_slots_from_thread): Likewise.
5404 (delete_from_delay_slot): Return newly-created thread.
5405 (try_merge_delay_isns): Use its new return value.
5407 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5409 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5410 used to compute a giv or as some other non-counting use.
5412 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5414 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5415 * local-alloc.c (find_free_reg): Use it.
5416 * global.c (find_reg): Likewise.
5417 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5419 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5420 * caller-save.c (init_caller_save): Use it.
5421 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5423 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5425 * configure.in: Add --enable-cpplib option which uses cpplib
5426 for cpp, but doesn't link cpplib into cc1. Make help text
5427 capitalization consistent.
5428 * configure: Rebuilt.
5430 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5432 * function.c (gen_mem_addressof): If the address REG is
5433 REG_USERVAR_P make the new REG be so also.
5434 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5435 in an attempt to clarify slightly.
5437 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5439 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5440 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5442 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5444 * toplev.c: Fix last patch.
5446 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5448 * loop.c (get_condition): Fix typo in May 9 change.
5450 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5452 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5454 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5456 * toplev.c (documented_lang_options): Spelling corrections.
5458 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5460 * configure.in: new flags --with-ld and --with-as, equivalent
5461 to setting LD and AS environment variables. Test whether
5462 specified arguments are GNU commands, and report them with
5463 checking messages. Use the specified AS for configure
5466 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5468 * gcc.c (find_a_file): when looking for `as' and `ld', return
5469 the DEFAULT program if it exists
5470 * collect2.c (main): use DEFAULT_LINKER if it exists
5472 * gcc.c (find_a_file): the test for existence of a full
5473 pathname was reversed
5475 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5477 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5478 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5480 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5482 * tree.h (TYPE_BINFO): Document.
5484 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5486 * i386-coff.h (dbxcoff.h): Added.
5488 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5490 * toplev.c: fix bad patch around flag_data_sections.
5492 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5494 * reload1.c (reload): Use reload_address_index_reg_class and
5495 reload_address_base_reg_class when setting
5496 caller_save_spill_class. (Patch generated by Jim Wilson:
5499 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5501 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5502 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5503 * expr.c (store_field): Add alias_set parameter. Set the
5504 MEM_ALIAS_SET accordingly, if the target is a MEM.
5505 (expand_assignment): Use it.
5506 (store_constructor_field): Pass 0.
5507 (expand_expr): Likewise.
5509 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5511 * flags.h: Add flag_data_sections.
5512 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5513 (compile_file): Error if flag_data_sections not supported.
5514 * varasm.c (assemble_variable): Handle flag_data_sections.
5515 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5516 * config/mips/elf.h: Likewise.
5517 * config/mips/elf64.h: Likewise.
5518 * invoke.texi: Describe -fdata-sections.
5520 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5522 * invoke.texi (-ffloat-store): Clarify that this option
5523 does not affect intermediate results -- only variables.
5525 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5527 * cpp.texi: Update for Fortran usage from Craig.
5529 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5531 * rs6000.c (function_arg_boundary): Revert accidental change on
5534 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5536 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5537 (output_mi_thunk): Declare.
5539 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5540 (output_function_profiler): Use r12 for temp, instead of r11 so
5541 that we preserve the static chain register.
5543 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5545 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5547 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5549 * sh.c (gen_shl_sext): Fix case 5.
5551 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5553 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5555 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5557 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5558 accessing variables until they are initialized via va_arg().
5560 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5562 * reload1.c (reload_combine): Initialize set before using.
5564 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5566 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5569 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5571 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5572 operand3 with mask before using it. Patch provided by Jim Wilson.
5574 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5576 * config/sparc/sparc.c (function_value): Perform the equivalent of
5577 PROMOTE_MODE for ARCH64.
5578 (eligible_for_epilogue_delay): Allow DImode operations in delay
5579 slot of a return for ARCH64.
5581 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5583 * sh.md (sqrtsf2): Fix mode of sqrt.
5585 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5587 * reload1.c (choose_reload_regs): Also try inheritance when
5588 reload_in is a stack slot of a pseudo, even if we already got a
5591 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5593 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5594 (reload_cse_regs): New function body: call reload_cse_regs_1,
5595 reload_combine, reload_cse_move2add.
5596 When doing expensive_optimizations, call reload_cse_regs_1 a
5597 second time after reload_cse_move2add.
5598 (reload_combine, reload_combine_note_store): New functions.
5599 (reload_combine_note_use): New function.
5600 (reload_cse_move2add, move2add_note_store): New functions.
5602 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5604 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5605 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5607 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5608 more than 3 such reloads.
5610 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5611 RELOAD_FOR_X_ADDR_ADDR reload.
5613 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5615 * expr.c (store_constructor): When initializing a field that is smaller
5616 than a word, at the start of a word, try to widen it to a full word.
5618 * cse.c (cse_insn): When we are about to change a register,
5619 remove any invalid references to it.
5621 (remove_invalid_subreg_refs): New function.
5622 (mention_regs): Special treatment for SUBREGs.
5623 (insert_regs): Don't strip SUBREG for call to mention_regs.
5624 Check if reg_tick needs to be bumped up before that call.
5625 (lookup_as_function): Try to match known word_mode constants when
5626 looking for a norrower constant.
5627 (canon_hash): Special treatment for SUBREGs.
5629 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5631 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5632 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5633 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5634 and offsets in actual stack trampoline code so they match the
5635 commentary and actually work.
5637 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5639 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5641 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5642 tmake_file. Set extra_parts to needed crt objects.
5643 * configure: Rebuilt.
5644 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5645 (TARGET_DEFAULT): Set if default is v9 or ultra.
5646 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5647 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5648 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5649 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5650 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5651 (TARGET_VERSION): Define.
5652 (MULTILIB_DEFAULT): Define.
5653 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5654 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5655 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5657 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5658 * config/sparc/sparc.c (sparc_override_options): If arch and
5659 pointer size disagree, emit diagnostic and fix it up. If
5660 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5661 V8PLUS in 64-bit mode.
5662 * config/sparc/t-linux64: New file.
5663 * config/sparc/t-sol2-64: New file.
5664 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5665 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5666 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5667 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5668 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5669 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5671 (STARTFILE_SPEC): Set approriately based upon those.
5672 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5673 disposition of DEFAULT_ARCH32_P.
5674 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5675 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5676 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5677 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5678 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5680 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5682 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5684 * rtl.h (init_virtual_regs): New function.
5685 * emit-rtl.c (init_virtual_regs): Define.
5686 (insn_emit): Use it.
5687 * integrate.c (save_for_inline_copying): Likewise.
5689 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5691 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5692 (enum reg_class): Add NONARG_LO_REGS support.
5693 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5694 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5695 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5696 completes. Re-enable HImode REG+OFFSET addresses.
5697 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5699 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5701 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5703 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5704 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5705 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5707 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5709 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5710 jumps as a single entity, taking into account the size of the
5713 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5715 * tree.def (SWITCH_EXPR): New tree node definition.
5717 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5719 * version.c: Bump for snapshot.
5721 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5723 * version.c: Bump for snapshot.
5725 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5727 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5730 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5732 * Revert this patch.
5733 * reload.c (find_reloads): Do not replace a pseudo with
5734 (MEM (reg_equiv_addr)) in the initializing insn for the
5737 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5739 * final.c (final_scan_insn): Disable tracking CC across branches.
5741 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5743 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5744 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5745 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5746 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5747 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5749 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5751 * toplev.c (rest_of_compilation): Skip compiling anything with
5752 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5754 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5756 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5757 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5758 use in_libcall_block.
5759 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5760 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5763 Mon Sep 21 14:02:23 1998
5765 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5766 typo in no-fancy-math-387 description.
5768 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5770 * version.c: Bump for snapshot.
5772 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5774 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5776 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5778 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5779 documented in install.texi.
5780 (TARGET_OPTIONS) Likewise.
5782 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5784 * version.c: Bump for snapshot.
5786 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5788 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5789 * cccp.c (main): Likewise.
5791 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5792 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5795 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5797 * Makefile.in (LIBS): Link in libiberty.a.
5798 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5800 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5802 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5803 it to update bb boundaries. Update caller.
5804 * function.c (reposition_prologue_and_epilogue_notes): Update
5805 bb boundaries wrt the moved note.
5807 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5809 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5811 * configure: Regenerate.
5813 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5815 * alpha.c (alpha_sr_alias_set): New variable.
5816 (override_options): Set it.
5817 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5818 (mode_mask_operand): Fix signed-unsigned comparision warning.
5819 (alpha_expand_block_move): Likewise.
5820 (print_operand): Likewise.
5821 (get_aligned_mem): Use change_address.
5822 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5823 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5824 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5825 (alpha_align_insns): Remade from old alphaev5_align_insns
5826 to handle multiple processors.
5827 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5828 * output.h (label_to_alignment): Prototype.
5830 * tree.c (new_alias_set): New function.
5831 * tree.h (new_alias_set): Declare it.
5832 * c-common.c (c_get_alias_set): Use it.
5834 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5836 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5837 to an ABS expr, convert an unsigned input to signed.
5839 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5841 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5843 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5845 * configure.in: Add support for c4x targets.
5846 * configure: Rebuilt.
5848 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5850 * combine.c (distribute_notes): If an insn is a cc0 user, only
5851 delete it if we can also delete the cc0 setter.
5853 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5855 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5856 (invert_truthvalue): Enable truthvalue inversion for
5857 floating-point operands if -ffast-math.
5859 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5861 * configure.in: Disable collect2 for nextstep. Instead use
5863 * configure: Rebuilt.
5864 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5865 (ENDFILE_SPEC): Define.
5866 (OBJECT_FORMAT_MACHO): Define.
5867 (EH_FRAME_SECTION_ASM_OP): Define.
5868 * crtstuff.c: Handle MACHO.
5870 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5872 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5874 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5876 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5877 (_fpadd_parts): Get sign right for 0.
5879 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5881 * ginclude/varargs.h: Add support for C4x target.
5882 * ginclude/stdargs.h: Likewise.
5884 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5886 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5887 (alpha_emit_set_long_const): Rewrite to be callable from reload
5889 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5890 * alpha.md (movdi): Likewise.
5892 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5894 * arm.c (add_constant): New parameter address_only, change caller.
5895 Set it non-zero if taking the address of an item in the pool.
5896 (arm_reorg): Handle cases where we need the address of an item in
5899 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5901 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5902 memory addresses that are not in standard canonical form.
5904 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5906 * README.C4X: New file with information about the c4x ports.
5907 * ginclude/va-c4x.h: New file for c4x varargs support.
5908 * config/c4x: New directory with c4x port files.
5910 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5912 * reload.c (find_reloads): Do not replace a pseudo with
5913 (MEM (reg_equiv_addr)) in the initializing insn for the
5916 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5918 * toplev.c (rest_of_compilation): Set bct_p on second call to
5920 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5922 (strength_reduce): Only call analyze_loop_iterations and
5923 insert_bct if bct_p set.
5924 (check_dbra_loop): Fix typo.
5925 (insert_bct): Use word_mode instead of SImode.
5926 (instrument_loop_bct): Likewise. Do not delete iteration count
5927 condition code generation insn. Initialize iteration count before
5929 * rtl.h (loop_optimize): Update prototype.
5931 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5932 not doubleword aligned.
5934 * rs6000.c (optimization_options): New function.
5935 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5936 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5937 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5938 first; cr1 can be used for FP record condition insns.
5940 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5942 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5945 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5948 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5950 (block_move_call): New function: Call a library routine to copy a
5952 (m32r_expand_block_move): New function: Expand a "movstrsi"
5953 pattern into a sequence of insns.
5954 (m32r_output_block_move): New function: Expand a
5955 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5956 (m32r_block_immediate_operand): New function: Return true if the
5957 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5959 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5961 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5963 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5965 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5967 * regmove.c (copy_src_to_dest): Check that modes match.
5969 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5971 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5973 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5975 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5976 narrower than FLOAT_REGS.
5978 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5980 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5982 * Makefile.in (old_gxx_include_dir): removed
5984 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5986 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5989 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5990 (sh_handle_pragma): Change function arguments to match new
5991 specification for HANDLE_PRAGMA.
5993 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5995 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5997 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5998 When generating output, initialize missing struct member to zero.
6000 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6002 * regmove.c (copy_src_to_dest): Don't copy if that requires
6003 (a) new register(s).
6005 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6007 * global.c (reg_allocno): Now static.
6008 * reload1.c (reg_allocno): Delete declaration.
6009 (order_regs_for_reload): Take no arguments. Don't treat regs
6010 allocated by global differently than those allocated by local-alloc.
6012 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6014 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6015 condition, fix format strings.
6016 (output_function_epilogue): Likewise.
6018 * m68k/m68k.c: Don't include <stdlib.h> directly.
6020 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6022 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6023 mem_first_set, mem_last_set; because 0 can be a CUID.
6024 (oprs_unchanged_p): Use new definition.
6025 (record_last_reg_set_info): Likewise.
6026 (record_last_mem_set_info): Likewise.
6027 (compute_hash_table): Likewise.
6029 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6031 * rs6000.c (output_epilogue): Handle Chill.
6033 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6034 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6036 * combine.c (make_extraction): If no mode is specified for
6037 an operand of insv, extv, or extzv, default it to word_mode.
6038 (simplify_comparison): Similarly.
6039 * expmed.c (store_bit_field): Similarly.
6040 (extract_bit_field): Similarly.
6041 * function.c (fixup_var_regs_1): Similarly.
6042 * recog.c (validate_replace_rtx_1): Similarly.
6043 * mips.md (extv, extzv, insv expanders): Default modes for most
6044 operands. Handle TARGET_64BIT.
6045 (movdi_uld, movdi_usd): New patterns.
6047 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6048 equivalent memory location unless we have been provided a scratch
6049 register. Similarly do not call find_replacement unless a
6050 scratch register has been provided.
6052 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6054 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6057 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6059 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6060 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6061 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6062 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6063 * c-decl.c (init_decl_processing): Update accordingly.
6064 * expr.c (expand_builtin): Likewise.
6066 * rtl.h (global_rtl): Add cfa entry.
6067 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6068 (LAST_VIRTUAL_REGISTER): Update.
6069 * emit-rtl.c (global_rtl): Add cfa entry.
6070 (init_emit): Initialize it.
6071 * function.c (cfa_offset): New.
6072 (instantiate_virtual_regs): Initialize it.
6073 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6074 (expand_function_end): Call expand_eh_return.
6075 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6077 * except.c (current_function_eh_stub_label): Kill.
6078 (current_function_eh_old_stub_label): Likwise; update all references.
6079 (expand_builtin_set_return_addr_reg): Kill.
6080 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6081 (expand_builtin_set_eh_regs): Kill.
6082 (eh_regs): Produce a third reg for the actual handler address.
6083 (eh_return_context, eh_return_stack_adjust): New.
6084 (eh_return_handler, eh_return_stub_label): New.
6085 (init_eh_for_function): Initialize them.
6086 (expand_builtin_eh_return, expand_eh_return): New.
6087 * except.h: Update prototypes.
6088 * flow.c (find_basic_blocks_1): Update references to the stub label.
6089 * function.h (struct function): Kill stub label elements.
6091 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6092 register number is one that would be in the previous window.
6093 Provide a dummy definition for non-windowed targets.
6094 (get_reg_addr): New function.
6095 (get_reg, put_reg, copy_reg): Use it.
6096 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6097 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6099 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6100 (alpha_init_expanders): Initialize it.
6101 (alpha_expand_epilogue): Use it.
6102 * alpha.h: Declare it.
6103 * alpha.md (eh_epilogue): New.
6105 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6106 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6108 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6110 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6113 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6115 * except.h (struct eh_entry): Add false_label field.
6116 (end_catch_handler): Add prototype.
6117 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6118 (start_catch_handler): When using old style exceptions, issue
6119 runtime typematch code before continuing with the handler.
6120 (end_catch_handler): New function, generates label after handler
6121 if needed by older style exceptions.
6122 (expand_start_all_catch): No need to check for new style exceptions.
6123 (output_exception_table_entry): Only output the first handler label
6124 for old style exceptions.
6125 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6126 mechanism into one function, if a runtime matcher is provided.
6128 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6130 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6132 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6134 * integrate.c (copy_decl_list): Fix typo.
6136 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6138 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6141 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6143 * version.c: Bump for snapshot.
6145 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6147 * version.c: Bump for snapshot.
6149 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6151 * version.c: Bump for snapshot.
6153 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6155 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6157 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6159 * configure.in: remove usage of `!' to negate the result of a
6160 command; some common shells do not support it
6162 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6164 * configure.in: in sparc9-sol2 config, use 'if test' not
6166 * configure: Rebuilt.
6168 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6170 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6171 (CPP_CPU_DEFAULT_SPEC): Likewise.
6172 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6173 for arch64 libfuncs.
6175 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6178 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6180 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6182 * collect2.c: Don't declare `sys_siglist' here.
6183 (my_strsignal): Prototype and define new function. Use it in
6184 place of `sys_siglist' hacks.
6186 * mips_tfile.c: Likewise.
6188 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6189 (GCC_NEED_DECLARATIONS): Likewise.
6191 * system.h (strsignal): Prototype it, if necessary.
6192 (sys_siglist): Declare it, if necessary.
6194 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6196 * loop.c (move_movables): While removing insn sequences, preserve
6197 the next pointer of the most recently deleted insn when we skip
6200 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6202 * objc/config-lang.in: Do not output the name of the selected
6203 thread file when building the front-end. The Makefile for the
6204 runtime library will do this.
6206 * objc/Make-lang.in: Do not build the runtime library or install
6207 the Objective C header files. The Makefile for the runtime
6208 library will do this.
6210 * objc/Makefile.in (all.indirect): Only build the front-end.
6211 (compiler): Rename to `frontend'.
6212 (obj-runtime): Remove target.
6213 (copy-headers): Likewise.
6214 (clean): No need to remove `libobjc.a' any longer.
6216 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6218 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6219 supported with -mcpu=xxx.
6221 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6223 * flow.c (mark_set_1): Recognize multi-register structure return
6224 values in CALL insns.
6225 (mark_used_regs): Likewise.
6226 (count_reg_sets_1): Likewise.
6227 (count_reg_references): Likewise.
6228 * rtlanal.c (note_stores): Likewise.
6229 (reg_overlap_mentioned_p): Likewise.
6230 * haifa-sched.c (check_live_1): Likewise.
6231 (update_live_1): Likewise.
6232 (sched_analyze_1): Likewise.
6233 (sched_note_set): Likewise.
6234 (birthing_insn_p): Likewise.
6235 (attach_deaths): Likewise.
6237 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6240 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6242 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6244 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6246 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6248 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6250 * configure.in: Add check for GAS subsection -1 support.
6251 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6252 * configure config.in: Rebuilt.
6253 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6254 SImode is subsection -1 works, else use DImode.
6255 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6256 subsection -1 works.
6257 * config/sparc/sparc.c (sparc_output_addr_vec,
6258 sparc_output_addr_diff_vec): Use them if defined.
6260 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6262 * tree.h (DECL_ORIGIN): New macro.
6263 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6264 (copy_decl_list): Use it.
6265 (integrate_parm_decls): Likewise.
6266 (integrate_decl_tree): Likewise.
6267 * dwarf2out.c (decl_ultimate_origin): Simplify.
6268 * dwarfout.c (decl_ultimate_origin): Likewise.
6269 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6270 (pushdecl): Likewise.
6272 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6274 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6276 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6278 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6280 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6282 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6283 empty or has a single entry.
6285 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6286 before calling reg_to_stack.
6288 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6290 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6291 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6293 * c-tree.h (warn_long_long): Declare it.
6295 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6297 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6298 initialized float-int union if the value is a NaN.
6300 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6302 * c-lex.c (real_yylex): Don't warn about long long constants if
6303 we're allowing long long
6305 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6307 * except.h (current_function_eh_stub_label): Declare.
6308 (current_function_eh_old_stub_label): Declare.
6309 * function.h (struct function): New members eh_stub_label and
6311 * except.c (current_function_eh_stub_label): New variable.
6312 (current_function_eh_old_stub_label): New variable.
6313 (init_eh_for_function): Clear them.
6314 (save_eh_status): Save them.
6315 (restore_eh_status): Restore them.
6316 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6317 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6318 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6319 make an edge from the block that contains it to the block starting
6320 with the label if this label is one of the eh stub labels.
6321 If eh stub labels exist, show they are reachable from the last block
6324 * reload1.c (reload): Break out several subroutines and make some
6326 (calculate_needs_all_insns): New function, broken out of reload.
6327 (calculate_needs): Likewise.
6328 (find_reload_regs): Likewise.
6329 (find_group): Likewise.
6330 (find_tworeg_group): Likewise.
6331 (something_needs_reloads): New global variable, formerly in reload.
6332 (something_needs_elimination): Likewise.
6333 (caller_save_spill_class): Likewise.
6334 (caller_save_group_size): Likewise.
6335 (max_needs): Likewise.
6336 (group_size): Likewise.
6337 (max_groups): Likewise.
6338 (max_nongroups): Likewise.
6339 (group_mode): Likewise.
6340 (max_needs_insn): Likewise.
6341 (max_groups_insn): Likewise.
6342 (max_nongroups_insn): Likewise.
6343 (failure): Likewise.
6345 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6347 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6349 * loop.c (load_mems): Copy rtx for output mem.
6351 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6353 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6354 mips1 or mips2 either.
6356 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6358 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6360 (pa_adjust_insn_length): Update to work with new marking scheme
6361 for jumps inside switch tables.
6362 * pa.md (switch_jump): Remove pattern.
6363 (jump): Handle jumps inside jump tables.
6365 * Makefile.in (profile.o): Depend on insn-config.h
6367 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6369 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6371 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6373 Add preliminary native sparcv9 Solaris support.
6374 * configure.in: Recognize sparv9-*-solaris2*
6375 * configure: rebuilt
6376 * config.sub: Recognize sparcv9 just like sparc64.
6377 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6378 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6379 32-bit and 64-bit Solaris systems.
6380 * config/sparc/t-sol2: Assemble those with cpp.
6381 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6382 (*TF*_LIBCALL): If ARCH64 use V9 names.
6383 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6385 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6387 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6388 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6390 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6392 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6393 to Pmode if CASE_VECTOR_MODE is something else.
6395 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6397 * prefix.c (update_path): Correctly handle cases where PATH is
6398 a substring of the builtin prefix, but specifies a different
6401 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6403 * expr.c: Corrected comment about what MOVE_RATIO does.
6404 * config/alpha/alpha.h: Ditto.
6405 * config/1750a/1750a.h: Ditto.
6406 * config/clipper/clipper.h: Ditto.
6407 * config/i386/i386.h: Ditto.
6409 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6411 * configure.in (m68k-next-nextstep3*): Use collect2.
6412 Similarly for x86 NeXT configurations.
6413 * configure: Rebuilt.
6415 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6417 * configure.in: Don't assume srcdir is .../gcc
6418 * configure: Rebuilt.
6420 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6422 * global.c: Update comments.
6423 (global_alloc): Assign allocation-numbers
6424 even for registers allocated by local_alloc in case
6425 they are later spilled and retry_global_alloc is called.
6426 (mark_reg_store, mark_reg_clobber,
6427 mark_reg_conflicts, mark_reg_death): Always record a
6428 conflict with a pseudo register even if it has been
6429 assigned to a hard register.
6430 (dump_conflicts): Don't list pseudo registers already assigned to
6431 a hard register as needing to be allocated, but do list their
6433 * local-alloc.c: Update comment.
6435 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6437 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6438 * configure: Rebuilt.
6440 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6442 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6444 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6445 for all targets that set -msoft-float.
6447 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6449 * toplev.c (print_switch_values): Make static to match prototype.
6451 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6453 * configure.in: If we are unable to find the "gnatbind" program,
6454 then do not configure the ada subdir.
6455 * configure: Rebuilt.
6457 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6459 * version.c: Bump for snapshot.
6461 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6463 * version.c: Bump for snapshot.
6465 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6467 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6468 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6470 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6472 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6474 * genextract.c: Have insn-extract.c include toplev.h.
6476 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6478 * toplev.c: Include expr.h.
6479 (really_sorry, fancy_abort): Remove prototypes.
6480 (set_target_switch): Add argument in prototype.
6481 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6482 (v_really_sorry): Likewise.
6483 (print_version, print_single_switch, print_switch_values): Make
6484 static and add prototype arguments.
6485 (decl_printable_name): Add prototype arguments.
6486 (lang_expand_expr_t): New typedef.
6487 (lang_expand_expr): Declare as a lang_expand_expr_t.
6488 (incomplete_decl_finalize_hook): Add prototype argument.
6489 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6490 (botch): Likewise for variable `s'.
6491 (rest_of_type_compilation): Mark variables `type' and `toplev'
6492 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6493 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6494 (display_help): Make variable `i' an `unsigned long'.
6495 (main): Remove unused parameter `envp'.
6496 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6497 Cast -1 when comparing it with a `size_t'.
6499 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6500 prototype with ATTRIBUTE_NORETURN.
6501 (fatal_insn_not_found, fatal_insn, really_sorry,
6502 push_float_handler, pop_float_handler): Add prototypes.
6503 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6504 (do_abort, botch): Add prototypes.
6506 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6508 * final.c (final): If a label is reached only from a single jump,
6509 call NOTICE_UPDATE_CC on the jump and its predecessor before
6510 emitting the insn after the label.
6512 * i386.h: Add AMD K6 support.
6513 Change TARGET_* macros to use table lookup.
6514 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6515 (ADJUST_COST): Change definition to call function in i386.c.
6516 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6517 * i386.c: Add AMD K6 support.
6518 Add constants for feature tests used by TARGET_* macros.
6519 (split_di): If before reload, call gen_lowpart and gen_highpart.
6520 (x86_adjust_cost): New function.
6521 (put_jump_code): New function.
6522 (print_operand): New codes 'D' and 'd'.
6523 * i386.md: New insn types. New insn attribute "memory".
6524 Redefine scheduling parameters to use new types and add AMD K6
6525 support. Explicitly set type of most insns.
6526 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6527 Pro and K6 prefer movl $1,reg to incl reg.
6528 (adddi3, subdi3): Set cc_status.
6529 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6530 to int; x86 can't have more than 2^31 DImode shifts per file.
6531 (setcc): Combine all setcc patterns. Allow writing memory.
6532 Combine all jump patterns using match_operator.
6533 (*bzero): Name pattern. Emit mutliple stos instructions when that
6534 is faster than rep stos.
6535 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6538 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6540 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6543 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6545 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6546 not whatever we're generating now.
6548 * alpha.c (set_frame_related_p, FRP): New.
6549 (alpha_expand_prologue): Mark frame related insns.
6550 (alpha_expand_epilogue): Likewise, but with a null FRP.
6551 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6552 * alpha.md (exception_receiver): New.
6553 * alpha/crtbegin.asm (.eh_frame): New beginning.
6554 (__do_frame_setup, __do_frame_takedown): New.
6555 * alpha/crtend.asm (.eh_frame): New ending.
6556 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6557 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6558 (ASM_FILE_START): Don't emit .file for dwarf2.
6560 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6561 * rtl.c (reg_note_name): Likewise.
6562 * rtl.texi (REG_NOTES): Likewise.
6563 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6566 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6568 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6569 * i386.md (movsf, movdf, movxf): Validate memory address returned
6570 from force_const_mem. Kill useless REG_EQUAL setting code.
6572 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6574 * m68k.md (zero_extendsidi2): Fix typo.
6576 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6578 * configure.in: Removed references to the removed file
6579 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6580 * arm*-*-netbsd* and ns32k-*-netbsd*.
6581 * config/i386/xm-netbsd.h: Removed unnecessary file.
6582 * config/m68k/xm-netbsd.h: Likewise.
6583 * config/sparc/xm-netbsd.h: Likewise.
6584 * config/mips/xm-netbsd.h: Likewise.
6586 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6588 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6589 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6591 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6592 for exact section attributions.
6594 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6596 * i386/crtdll.h (CPP_PREDEFINES): Define.
6598 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6600 * m68k.md (5200 movqi): Do not allow byte sized memory references
6602 * m68k.c (output_move_qimode): Do not use byte sized operations on
6605 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6606 explicit rules for building. Similarly for alloca, vfprintf,
6607 choose-temp and mkstemp, getopt, getopt1, and obstack.
6608 (INCLUDES): Add $(srcdir)/../include.
6609 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6610 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6612 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6614 * gcc.c (do_spec_1): [case 'o'] Account for
6615 lang_specific_extra_outfiles.
6616 (main): Correctly clear all slots in outfiles for
6617 lang_specific_extra_outfiles. Set input_file_number before
6618 calling lang_specific_pre_link.
6620 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6622 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6624 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6626 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6628 (sparc_output_deferred_case_vectors): If no work to do, return.
6629 Fix thinko in Sept 1 change.
6631 1998-09-03 SL Baur <steve@altair.xemacs.org>
6633 * Makefile.in: add semicolon in BISON definition for portability.
6635 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6637 * config/nextstep.c (handle_pragma): Correct name of third
6640 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6642 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6643 * config/m32r/m32r.h: Make register 17 be fixed.
6644 * config/m32r/m32r.c: Use SImode for cc operations.
6646 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6648 * invoke.texi (Warning Options): Add -Wnon-template-friend
6651 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6653 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6655 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6657 * rs6000.md (movsf): Disable explicit secondary-reload-like
6658 functionality if TARGET_POWERPC64.
6659 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6662 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6664 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6665 and term.h from fixinc.wrap.
6667 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6669 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6670 safe to include both string.h and strings.h together.
6671 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6672 which headers to search for function declarations. Continue to
6673 prefer string.h over strings.h when both are not acceptable.
6675 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6677 * configure.in: Call GCC_HEADER_STRING.
6679 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6680 to include. Continue to prefer string.h over strings.h when both
6683 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6685 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6686 not assume top 32-bits of symbolic addresses are zero if
6689 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6691 * ginclude/va-alpha.h: Protect entire second portion of the
6692 file against double inclusion.
6694 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6696 Added support for the Boehm's garbage collector.
6697 * configure.in: Handle --enable-objc-gc.
6698 * configure: Rebuilt.
6699 * Makefile.in (CHECK_TARGETS): Add check-objc.
6700 (check-objc): New rule.
6701 * objc/Make-lang.in: Build a different Objective-C library that
6702 runs with the Boehm's collector.
6703 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6704 * objc/encoding.c: Correctly compute the size of compound types in
6705 the presence of bitfields. Skip the variable name of the type if
6706 any. Added support for long long.
6707 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6708 (_F_GCINVISIBLE): New mask.
6709 * objc/gc.c: New file. Compute the type memory mask associated with
6710 a class based on the runtime information.
6711 * objc/misc.c: Added the hooks that use the Boehm's collector
6712 allocation functions.
6713 * objc/objc-act.c (build_class_template): Generate a new class
6714 member (gc_object_type) to hold the class' type memory mask.
6715 (build_shared_structure_initializer): Initialize the new member to
6717 (encode_complete_bitfield): New function. Generate the new
6719 (encode_field_decl): Generate the new encoding only for the GNU
6721 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6723 (class_get_gc_object_type): New function to mark a pointer instance
6724 variable as a weak pointer.
6725 * objc/objc-features.texi: New file.
6726 * objc/objc.h (gc_object_type): New class member.
6727 * objc/objects.c (class_create_instance): Create a typed memory
6728 object when compiled with Boehm's collector support.
6729 * objc/sendmsg.c (__objc_init_install_dtable): Call
6730 __objc_send_initialize instead of setting the initialize flag.
6731 (__objc_send_initialize): Call __objc_generate_gc_type_description
6732 to generate the class type memory mask. Rewrite the code that
6733 sends the +initialize so that it is called only once (bug report
6734 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6735 * testsuite/objc: New testsuite for Objective-C type encoding.
6736 * testsuite/lib/objc-torture.exp: New file.
6737 * testsuite/lib/objc.exp: New file.
6739 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6741 * jump.c (jump_optimize): In if/then/else transformations, add
6742 another call to modified_between_p for the jump insn.
6744 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6746 * fix-header.c (symlink): Treat like readlink.
6748 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6750 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6753 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6755 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6756 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6757 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6759 * config/nextstep.c (handle_pragma): Take three arguments, as per
6760 the new HANDLE_PRAGMA macro specification.
6761 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6762 per the new HANDLE_PRAGMA macro specification.
6763 * config/i960/i960.c (process_pragma): Take three arguments, as
6764 per the new HANDLE_PRAGMA macro specification.
6766 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6768 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6769 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6770 if unknown pragmas are encountered.
6771 (handle_sysv_pragma): Interpret return code from
6772 handle_pragma_token (). Return success/failure indication rather
6773 than next unprocessed character.
6774 (pragma_getc): New function: retrieves characters from the
6775 input stream. Defined when HANDLE_PRAGMA is enabled.
6776 (pragma_ungetc): New function: replaces characters back into the
6777 input stream. Defined when HANDLE_PRAGMA is enabled.
6779 * c-pragma.c (handle_pragma_token): Return success/failure status
6782 * c-pragma.h: Change prototype of handle_pragma_token().
6784 * varasm.c: (handle_pragma_weak): Only create this function if
6785 HANDLE_PRAGMA_WEAK is defined.
6787 * c-common,c (decl_attributes): If defined call the expression
6788 contained within the INSERT_ATTRIBUTES macro before adding
6789 attributes to a decl.
6791 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6792 HANDLE_PRAGMA, which takes three arguments.
6793 (INSERT_ATTRIBUTES): Document this new macro.
6795 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6796 new INSERT_ATTRIBUTES macro.
6798 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6800 * config/sparc/sparc.md (movdf): Only generate special RTL for
6801 LABEL_REFs when PIC.
6802 (move_label_di): Remove
6803 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6804 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6805 references when PIC.
6806 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6807 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6808 output an .xword for all 64-bit cases.
6810 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6812 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6813 alignment, use FUNCTION_BOUNDARY instead.
6814 (sparc_output_deferred_case_vectors): Likewise.
6816 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6818 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6819 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6821 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6823 * alpha/va_list.h: New file.
6824 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6826 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6828 * NEWS: Add SCO Openserver and Unixware 7 notes.
6832 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6834 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6835 (record_constant_1): Handle RANGE_EXPR.
6837 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6839 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6840 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6841 and NOTE_INSN_RANGE_END specially.
6842 (reemit_notes): Likewise.
6844 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6846 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6847 (ultrasparc_sched_init): Remove unneeded &.
6849 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6851 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6852 for m68020-60, to prevent the use of fintrz.
6854 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6856 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6858 * Makefile.in: Likewise.
6859 * configure: Regenerated.
6861 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6863 * configure.in (gxx_include_dir): Changed to
6864 '${prefix}/include/g++'-${libstdcxx_interface}.
6865 * configure: Rebuilt.
6867 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6869 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6871 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6872 *sequences* *below* which scalar moves will be used.
6874 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6876 * collect2.c (mktemp): Delete unused declaration.
6878 * config/xm-netbsd.h: Remove unnecessary file.
6879 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6880 file anymore, it is not needed.
6882 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6884 * convert.c (convert_to_integer): Issue an error on conversions to
6887 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6889 * Makefile.in: Add lang_tree_files and gencheck.h.
6890 * configure.in: Generate them.
6891 * gencheck.c: Include gencheck.h.
6893 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6895 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6896 movdi_lo_sum_pic and movdi_high_pic and make visible.
6897 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6898 emit these when Pmode is not SImode.
6899 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6901 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6903 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6904 .linkonce directive after the first time.
6906 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6908 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6909 the clobbered operand overlaps with an input.
6910 (bne0_di): Similarly.
6912 * Makefile.in (INSTALL): Remove "--no-header" argument.
6914 * NEWS: Various updates.
6916 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6918 * config/sparc/sparc.c (arith_operand, const64_operand,
6919 const64_high_operand, arith_double_4096_operand): Mark mode as
6921 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6923 (sparc_emit_set_const64): Remove unused variable i.
6924 (sparc_splitdi_legitimate): Likewise for addr_part.
6925 (ultra_code_from_mask): Likewise for mask.
6926 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6927 reverse return values so it matches usage and comments.
6928 (ultra_flush_pipeline): Likewise.
6929 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6930 this_type, and allow loads and stores of differing FP modes as
6931 they do not create a conflict.
6932 (ultra_find_type): Initialize fpmode to SFmode, fix
6933 parenthesization thinkos in large conditional.
6934 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6935 Init free_slot_mask after ultra_cur_hist is reset, not before.
6936 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6937 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6938 use ultra_flush_pipeline instead, then re-init group pointer.
6939 Fix statement with no effect. If no progress made in, and no
6940 instructions scheduled at all, advance to new pipeline cycle else
6941 we get into an endless loop.
6942 (ultrasparc_adjust_cost): Remove previous arg.
6943 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6945 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6947 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6948 code. Use reg_overlap_mentioned_p to detect when source and
6949 destination overlap.
6950 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6952 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6954 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6955 COMPARISON_VAL, into invariant_p.
6957 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6959 * regmove.c (regclass_compatible_p): New function.
6960 (regmove_optimize): Use it.
6962 Use NREGS parameter insted of calling max_reg_num.
6964 (fixup_match_1): Don't use code = MINUS when later tieing with
6965 a hard register is likely.
6967 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6969 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6970 COMPARISON_VAL was normalized.
6972 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6974 * loop.c (check_dbra_loop): The loop ending comparison value
6975 must be an invariant or we can not reverse the loop.
6977 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6978 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6980 (load_mems_and_recount_loop_regs_set): Likewise.
6982 * i386.c (print_operand): Remove obsolete 'c' docs.
6984 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6986 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6987 * frame.c (init_object_mutex): New function.
6988 (init_object_mutex_once): Likewise.
6989 (find_fde): Call it.
6990 (__register_frame_info): Likewise.
6991 (__register_frame_info_table): Likewise.
6992 (__deregister_frame_info): Likewise.
6994 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6996 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6998 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7000 * loop.c (check_dbra_loop): Enable code for reversal
7001 of some loops without a known constant loop end.
7003 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7005 * haifa-sched.c (last_clock_var): New.
7006 (schedule_block): Initialize it.
7007 (schedule_insn): Use it to fill insn modes with issue information.
7009 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7010 Tag trapb and next insn with TImode.
7011 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7012 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7013 Invoke alphaev5_align_insns as appropriate.
7014 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7015 (MD_SCHED_VARIABLE_ISSUE): New.
7016 * alpha.md (attr type): Add multi.
7017 (define_asm_attributes): New.
7018 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7019 (arg_home): Likewise.
7020 (fnop, unop, realign): New.
7022 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7024 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7025 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7027 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7028 (rs6000-ibm-aix4.[12]*): Likewise.
7029 * configure: Regnerate.
7031 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7033 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7034 already contains the return address.
7036 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7038 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7039 word sized hunks when loading unaligned args into registers.
7041 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7042 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7044 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7046 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7048 * loop.c (check_dbra_loop): Add some code that would allow reversal
7049 of some loops without a known constant loop end if it were enabled.
7051 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7053 * mips.md (lshrsi3_internal2+2): Fix type-o.
7055 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7057 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7058 correctly with regards to stdio.h.
7060 * calls.c: Remove stdarg.h/varargs.h.
7063 * combine.c: Likewise.
7064 * cpperror.c: Likewise.
7065 * cpplib.c: Likewise.
7066 * cpplib.h: Likewise.
7067 * doprint.c: Likewise.
7068 * emit-rtl.c: Likewise.
7069 * final.c: Likewise.
7070 * fix-header.c: Likewise.
7072 * genattr.c: Likewise.
7073 * genattrtab.c: Likewise.
7074 * gencodes.c: Likewise.
7075 * genconfig.c: Likewise.
7076 * genemit.c: Likewise.
7077 * genextract.c: Likewise.
7078 * genflags.c: Likewise.
7079 * genopinit.c: Likewise.
7080 * genoutput.c: Likewise.
7081 * genpeep.c: Likewise.
7082 * genrecog.c: Likewise.
7083 * mips-tfile.c: Likewise.
7084 * prefix.c: Likewise.
7085 * protoize.c: Likewise.
7086 * regmove.c: Likewise.
7087 * toplev.c: Likewise.
7090 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7092 * config/sparc/sparc.c (sparc_override_options): If not
7093 TARGET_FPU, turn off TARGET_VIS.
7094 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7095 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7096 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7097 (movdi_insn_sp64): Add VIS fzero alternative.
7098 (clear_sf, clear_df): New VIS patterns.
7099 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7101 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7103 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7105 * loop.c (n_times_set, n_times_used, may_not_optimize,
7106 reg_single_usage): Convert to varrays. All uses changed.
7107 (insert_loop_mem): Return a value.
7108 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7109 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7112 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7115 * configure.in: Do not set thread_file to "irix" since no such
7118 * sparc.md (float abs/neg splits): Check reload_completed before
7119 calling alter_subreg.
7121 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7123 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7125 * config/sparc/sparc.h: Declare it.
7126 * config/sparc/sparc.md (float abs/neg splits): Use it.
7127 (all other splits): Handle SUBREGs properly where necessary.
7128 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7130 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7132 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7133 an insn on the unfilled_slots_list that has no delay slots.
7134 (fill_eager_delay_slots): Similarly.
7136 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7138 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7139 as an ordinary operand.
7141 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7143 * tree.c (valid_machine_attribute): Don't apply attributes to both
7146 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7148 * reload.c (operands_match_p): Handle rtvecs.
7150 * i386.c (legitimate_pic_address_disp_p): New.
7151 (legitimate_address_p): Use it.
7152 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7153 Handle constant pool symbols just like statics.
7154 (emit_pic_move): Use Pmode not SImode for clarity.
7155 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7156 [UNSPEC]: New, handling what we killed above.
7157 [PLUS]: Detect and abort on invalid symbol arithmetic.
7158 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7160 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7162 * alias.c: Include output.h.
7163 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7164 different if we're in a varargs function.
7165 * Makefile.in (alias.o): Depend on output.h
7167 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7169 * sh.h (GIV_SORT_CRITERION): Delete.
7171 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7173 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7174 * stupid.c (stupid_life_analysis): Ditto.
7175 * reload1.c (reload): Ditto.
7177 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7179 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7180 arith_double_4096_operand, arith_double_add_operand): New
7182 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7183 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7184 them to transform add/sub 4096 into add/sub -4096.
7186 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7188 * loop.c (scan_loop): Allocate some slop to handle pseudos
7189 generated by move_movables.
7190 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7193 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7195 * tree.def (DECL_RESULT): Correct documentation.
7197 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7199 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7200 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7201 conflicts will all RELOAD_FOR_OUTPUT reloads.
7203 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7204 loads the function result, substitute with a USE.
7206 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7208 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7209 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7210 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7211 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7212 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7213 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7215 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7216 'o' to 'm' for GPR variant constraints.
7218 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7220 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7222 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7224 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7225 when the source and destination overlap.
7227 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7228 clash with global type.
7230 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7232 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7234 * c-common.c (combine_strings): Also set TREE_READONLY.
7235 Change warn_write_strings to flag_const_strings.
7236 * c-decl.c, c-tree.h: Likewise.
7238 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7240 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7241 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7242 sequence, use SET/IOR instead so CSE can see it.
7243 * config/sparc/sparc.md (movhi_const64_special,
7244 movsi_const64_special): New patterns necessitated by that change.
7245 (movhi_high): Remove.
7246 (movhi_lo_sum): Change to match an IOR.
7247 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7248 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7249 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7250 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7251 registers are involved.
7252 (snesi_zero_extend split): Remove reload_completed test.
7253 (unnamed plus and minus zero_extend sidi splits): Add it.
7255 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7257 * extend.texi: Remove description of extension to explicit
7258 instantiation that is now endorsed by standard C++.
7260 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7262 * config/arc/arc.c (arc_initialize_pic): Remove.
7263 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7264 nothing on any platform and is invoked by no-one, it does not even
7265 appear in the documentation.
7266 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7267 * config/sparc/sparc.c (initialize_pic): Likewise.
7268 (find_addr_reg): Remove this as well, no longer referenced after
7271 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7273 * recog.c (validate_replace_rtx_group): New function.
7274 * recog.h (validate_replace_rtx_group): Declare it.
7275 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7276 the entire group of substitutions.
7278 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7280 * loop.c (load_mems): Fix initializers.
7282 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7284 * config/sparc/sparc.md (TFmode splits): Handle destination
7285 registers being referenced in the address correctly.
7287 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7288 TREE_UNSIGNED, when bitsize of type's mode is larger than
7289 HOST_BITS_PER_WIDE_INT.
7291 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7293 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7294 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7295 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7297 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7300 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7302 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7303 * h8300.h (TINY_DATA_NAME_P): Likewise.
7304 (STRIP_NAME_ENCODING): Handle '&'.
7306 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7307 register (it could be accessed via an outer SUBREG).
7308 (REG_OK_FOR_BASE_P): Likewwise.
7309 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7311 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7314 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7316 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7318 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7319 must be offsettable so the splits can be made.
7321 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7323 * config/i386/winnt.c: Include system.h, not stdio.h to get
7324 sys/param.h pulled in before rtl.h in case the system defines MIN
7327 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7329 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7331 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7333 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7335 * cpplib.c (cpp_define): Handle macros with parameters.
7337 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7339 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7340 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7341 and DImode 64-bit. Use llong for minimal-toc SFmode and
7342 SYMBOL_REF / LABEL_REF 64-bit.
7343 (output_function_profiler): Use llong for profiler label and ld to
7344 load 64-bit label address.
7346 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7348 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7351 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7353 * version.c: Bump for snapshot.
7355 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7357 * version.c: Bump for snapshot.
7359 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7361 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7363 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7365 * tm.texi (Misc): Fix typo "teh".
7367 * tm.texi (PIC): Fix typo "PPIC".
7369 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7370 effect when -O2 and higher.
7371 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7373 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7375 * regclass.c: Changed register set documentation to be consistent
7378 * final.c (final_start_function) Removed redundant test for
7381 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7383 * rtl.h (rtx_function): New type.
7384 (for_each_rtx): New function.
7385 * rtlanal.c (for_each_rtx): Define it.
7387 * recog.c (change_t): New type.
7388 (change_objects, change_old_codes, change_locs, change_olds):
7390 (changes): New variable.
7391 (validate_change): Dynamically allocate room for more changes, if
7392 necessary. Uses changes array instead of change_objects, etc.
7393 (apply_change_group): Use changes array instead of
7394 change_objects, etc.
7396 * loop.c (loop_mem_info): New type.
7397 (loop_mems): New variable.
7398 (loop_mems_idx): Likewise.
7399 (looop_mems_allocated): Likewise.
7400 (scan_loop): Remove nregs parameter.
7401 (next_insn_in_loop): New function.
7402 (load_mems_and_recount_loop_regs_set): Likewise.
7403 (load_mems): Likewise.
7404 (insert_loop_mem): Likewise.
7405 (replace_loop_mem): Likewise.
7406 (replace_label): Likewise.
7407 (INSN_IN_RANGE_P): New macro.
7408 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7409 (scan_loop): Remove nregs parameter, compute it after any new
7410 registers are created by load_mems. Use INSN_IN_RANGE_P and
7411 next_insn_in_loop rather than expanding them inline. Call
7412 load_mems to load memory into pseudos, if appropriate.
7413 (prescan_loop): Figure out whether or not there are jumps from the
7414 loop to targets other than the label immediately following the
7415 loop. Call insert_loop_mem to notice all the MEMs used in the
7416 loop, if it could be safe to pull MEMs into REGs for the duration
7418 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7420 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7422 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7424 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7426 * config/sparc/sparc.c (finalize_pic): Check for the correct
7427 nonlocal_goto_receiver UNSPEC number.
7428 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7429 making note of this dependency existing in sparc.c
7430 (negtf2_notv9 split): Give NEG SFmode.
7431 (negsf2): Fix insn output string.
7433 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7435 * c-common.c (decl_attributes): Issue an error if the argument
7436 to alias is not a string.
7438 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7440 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7441 pending memory flush list.
7443 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7445 (try_combine): Allow combining insns with REG_LIBCALL notes.
7447 * expr.c (emit_block_move): Do not call memcpy as a libcall
7448 instead build up a CALL_EXPR and call it like any other
7450 (clear_storage): Similarly for memset.
7452 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7455 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7458 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7459 and REG_LIVE_LENGTH as successful substitutions are made.
7461 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7463 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7464 statement after end of loop label.
7466 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7468 * config/sparc/sparc.c (ultra_types_avail): New variable.
7469 (ultra_build_types_avail): New function to record mask of insn
7470 types in ready list at this cycle.
7471 (ultrasparc_sched_reorder): Call it.
7472 (ultra_find_type): Use it to quicken the search. Also simplif
7473 dependency check, don't use rtx_equal_p because we know exactly
7474 what we are looking for.
7476 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7478 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7479 for architecture v4.
7481 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7483 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7485 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7486 movdf_const_intreg and helper splits): New patterns to move float
7487 constants into integer registers.
7488 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7491 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7494 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7496 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7498 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7499 a BASE_REGS register is needed as an intermediate when copying
7500 a symbolic value into any register class other than BASE_REGS.
7502 * expr.c (move_by_pieces): No longer static. Remove prototype.
7503 * rtl.h (move_by_pieces): Add extern prototype.
7504 * mips.c (expand_block_move): Handle aligned straight line copy by
7505 calling move_by_pieces.
7507 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7510 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7512 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7513 jumps out of the loop to be treated as part of the exit test.
7515 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7516 Jeff Law <law@cygnus.com>
7518 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7519 * cplus-dem.c: Delete.
7521 * Makefile.in (fold-const.o): depend on $(RTL_H).
7523 * fold-const.c: Include rtl.h to get the prototype for
7524 `set_identifier_local_value'.
7526 * loop.c (express_from_1): Remove unused variable `tmp'.
7527 (combine_givs): cast the first argument of bzero to char *.
7529 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7531 * c-decl.c (init_decl_processing): Remove unneeded &.
7533 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7535 * except.c (set_exception_lang_code, set_exception_version_code):
7536 Change parameter from `short' to `int' to avoid using a gcc
7539 * except.h (set_exception_lang_code, set_exception_version_code):
7540 Likewise for prototypes.
7542 * flow.c (count_reg_references): Remove unused variables `regno'
7545 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7547 * prefix.c (translate_name): Cast the result of `alloca'.
7549 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7551 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7553 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7555 (valid_dbcc_comparison_p): Mark mode argument as unused.
7556 (symbolic_operand): Likewise.
7557 (legitimize_pic_address): Likewise.
7558 (const_uint32_operand): Likewise.
7559 (const_sint32_operand): Likewise.
7560 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7561 schedule_insns and comment out rest of file.
7563 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7565 (output_move_[hq]imode): Likewise.
7567 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7569 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7570 * invoke.texi: Corresponding changes.
7572 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7574 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7576 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7578 * config/sparc/sparc.c (ultra_code_from_mask,
7579 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7580 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7581 ultrasparc_sched_init, ultrasparc_variable_issue,
7582 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7583 functions to describe UltraSPARC pipeline exactly to Haifa.
7584 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7585 as there is nothing the scheduler can do about it. Indicate that
7586 REG_DEP_OUTPUT's collide. Fixup formatting.
7587 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7588 divide costs on Ultra for DImode.
7589 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7591 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7592 ieuN and add call_no_delay_slot to type list.
7593 (cti function unit): New unit for branches on UltraSPARC.
7594 (subx/addx insns): Set type to misc.
7595 (sidi zero/sign extension insns on arch64): Set type to shift.
7596 (sign_extendhidi2_insn): Set type to sload.
7598 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7600 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7601 (output_epilog): Use if != 0 for offset.
7602 (rs6000_fatal_bad_address): Prepare for Intl.
7603 * rs6000.h (rs6000_fatal_bad_address): Declare.
7604 * rs6000.md (movsfcc, movdfcc): Use else if.
7605 (elf_high): Use {liu|lis}.
7606 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7607 (movsi): Use rs6000_fatal_bad_address.
7609 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7611 * reload.c (find_equiv_reg): Reject equivalences separated
7612 by a volatile instruction.
7614 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7616 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7618 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7620 * alpha.md (movsicc): Fix mode mismatch.
7622 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7624 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7626 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7628 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7630 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7631 write-only modifier from operand 1 constraint.
7633 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7635 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7636 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7638 (sparc_emit_set_const64): Likewise, also when computing trailing
7639 bits do not negate low_bits and make fast_int an int.
7641 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7643 * loop.c (add_label_notes): Do not ignore references to labels
7644 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7645 * gcse.c (add_label_notes): Similarly.
7647 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7649 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7650 (adddi_dishl32): Similarly.
7652 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7654 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7655 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7656 * cse.c (cse_basic_block): Add parens to shut up warnings.
7658 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7660 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7661 sparc_emit_set_const64_longway, const64_is_2insns,
7662 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7663 in 64-bit constant formation.
7664 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7665 rtl for addx not subx.
7666 (define_insn movdi_const64_special): Make available even when
7667 HOST_BITS_PER_WIDE_INT is not 64.
7668 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7669 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7670 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7671 instances of operand 1 inside a QI subreg.
7672 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7673 (one_cmpldi2_sp64): Fix output string.
7674 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7676 (unnamed arch64 ashift DI): Truncate shift count if greater than
7679 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7681 * expr.c (store_expr): Don't optimize away load-store pair
7682 when either source or destination have a side effect.
7684 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7686 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7687 operands of SET are incompatible.
7689 * alpha.md: Fix max and min patterns so modes of SET operands match.
7691 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7693 * configure.in: Avoid [[ by using test and changequote.
7694 * configure: Rebuild.
7696 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7698 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7700 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7701 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7702 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7703 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7704 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7705 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7706 Fix mismatching modes in SET operands.
7707 (conditional move patterns): Fix formatting.
7708 (unnamed subx arch64 pattern): Remove duplicate insn.
7710 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7712 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7713 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7714 (input_operand): Fixup test for what we accept for constant
7716 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7718 (safe_constDI): Remove.
7719 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7720 gen_safe_XOR64): New functions.
7721 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7722 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7724 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7725 available when HOST_BITS_PER_WIDE_INT is not 64.
7726 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7727 move before movdi_insn_sp64 pattern.
7728 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7729 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7730 symbolic_operand as predicate for second operand.
7731 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7732 expander): Give set VOIDmode.
7734 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7736 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7738 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7740 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7742 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7744 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7746 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7748 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7750 * install.texi: Various SCO OpenServer tweaks.
7752 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7754 * reload1.c (eliminate_regs_in_insn): Handle another case when
7755 eliminating the frame pointer to the hard frame pointer. Add
7756 missing ep->to_rtx check to one existing case.
7758 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7760 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7762 * tree.h: De-conditionalize init_priority code.
7764 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7765 * collect2.c (NM_FLAGS): Change from -p to -n.
7767 * configure.in: Turn on collect2 for mipstx39-elf.
7768 Handle use_collect2=no properly.
7770 * c-common.c: De-conditionalize init_priority code.
7771 * collect2.c (extract_init_priority, sort_ids): New fns.
7772 (main): Call sort_ids.
7773 Move sequence_number to file scope.
7775 * configure.in: Handle --enable-init-priority.
7776 * c-common.c (attrs): Add A_INIT_PRIORITY.
7777 (init_attributes, decl_attributes): Likewise.
7778 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7779 * tree.c (get_file_function_name_long): Split out...
7780 (get_file_function_name): ...from here.
7782 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7784 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7787 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7789 * toplev.c (display_help): Add braces to shut up warnings.
7790 * tree.c (simple_cst_equal): Likewise.
7792 * fold-const.c (non_lvalue): Don't deal with null pointer
7794 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7796 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7797 of any size to a pointer.
7799 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7801 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7803 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7805 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7806 which will be saved.
7807 * mn10300.md (prologue insn): Only save registers which need saving.
7808 (epilogue insn): Similarly.
7810 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7813 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7815 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7816 VAR_DECL's in gp addressable sections.
7818 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7820 * sparc.c: Change return <exp> to <exp>; return; in functions
7822 * sparc.md: Add empty semicolon statement after final label in
7825 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7827 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7828 addx_extend_sp64, only allow when TARGET_ARCH64.
7829 (define_insn addx_extend_sp32 and split): Version that works when
7831 (define_insn subx_extend): Likewise.
7832 (define_split adddi3 and subdi3 with zero extension): Fixup and
7833 correct bugs when not TARGET_ARCH64.
7835 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7837 * except.c (set_exception_lang_code, set_exception_version_code):
7838 Use prototype-style definition if __STDC__, to match declaration
7841 * genemit.c: Change FAIL and DONE macros not to use loops.
7843 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7845 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7846 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7848 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7850 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7852 * README.g77: Update from Craig.
7854 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7856 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7858 (safe_constDI sparc_emit_set_const64_quick1,
7859 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7860 analyze_64bit_constant, const64_is_2insns,
7861 create_simple_focus_bits): Fix some bugs when compiled on real
7863 (function_arg_record_value_3, function_arg_record_value_2,
7864 function_arg_record_value): Add fully prototyped forward decls.
7865 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7866 to cmpsi_insn and use on both 64 and 32 bit targets.
7867 (define_insn cmpsi_insn_sp64): Remove.
7868 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7869 (define_insn zero_extendsidi2_insn): Rename to
7870 zero_extendsidi2_insn_sp64.
7871 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7872 assosciated forced split for it.
7874 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7876 * config/sparc/sparc.h: Declare them.
7877 (PREDICATE_CODES): Add them.
7878 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7879 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7881 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7883 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7884 in v9 case as the latter makes the Solaris assembler crash.
7886 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7888 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7889 for TFmode when !v9. We require offsettable memory addresses.
7890 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7891 DFmode register number conversions.
7892 * config/sparc/sparc.md (define_split DFmode moves): If register
7893 is a SUBREG do alter_subreg on it before using.
7894 (define_expand movtf): Fixup comment about alignment on v9.
7895 (define_split TFmode moves): Don't use gen_{high,low}part, create
7896 explicit SUBREGs instead.
7898 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7900 * Makefile.in (mbchar.o): Depend on mbchar.c.
7902 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7903 Richard Henderson <rth@cygnus.com>
7905 Rewrite Sparc backend for better code generation and
7906 improved sparc64 support.
7907 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7909 * config/sparc/sysv4.h: Likewise.
7910 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7911 move_operand, v8plus_regcmp_op, emit_move_sequence,
7912 singlemove_string, doublemove_string, mem_aligned_8,
7913 output_move_double, output_move_quad, output_fp_move_double,
7914 move_quad_direction, output_fp_move_quad, output_scc_insn):
7916 (small_int_or_double): New predicate.
7917 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7918 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7919 old pic_{sethi,lo_sum}_si patterns.
7920 (mem_min_alignment): New generic function to replace
7921 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7922 available and can test for arbitrary alignments. All callers
7924 (save_regs, restore_regs, build_big_number,
7925 output_function_prologue, output_cbranch, output_return,
7926 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7927 sparc_flat_output_function_epilogue): Prettify
7929 (output_function_epilogue): Likewise and add code to output
7930 deferred case vectors.
7931 (output_v9branch): Likewise, add new arg INSN and use it to tack
7932 on branch prediction settings. All callers changed.
7933 (print_operand): Likewise and output %l44 for LO_SUMs when
7935 (sparc_splitdi_legitimate): New function to make sure DImode
7936 splits can be run properly when !arch64.
7937 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7938 Reformat example code in comments.
7939 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7940 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7941 of deferred case vectors we need to output.
7942 (sparc_defer_case_vector): Record a case vector.
7943 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7944 sparc_output_deferred_case_vectors): New functions to output them.
7945 (sparc_emit_set_const32): New function to form 32-bit constants in
7946 registers when that requires more than one instruction.
7947 (safe_constDI, sparc_emit_set_const64_quick1,
7948 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7949 analyze_64bit_constant, const64_is_2insns,
7950 create_simple_focus_bits, sparc_emit_set_const64): New functions
7951 which do the same for 64-bit constants when arch64.
7952 (sparc_emit_set_symbolic_const64): New function to emit address
7953 loading for all code models on v9.
7954 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7955 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7956 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7957 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7958 inaccuracies in comments, add symbolic and text_segment operands
7959 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7960 GENERAL_REGS in these cases as a temp REG is needed to load these
7961 addresses into a register properly.
7962 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7964 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7965 quads are guarenteed to have 16-byte alignment.
7966 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7967 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7968 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7969 deferred case vector implementation.
7970 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7971 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7972 Generate "internal label - label" instead of "label - 1b".
7973 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7974 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7975 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7977 (doublemove_string, output_block_move, output_fp_move_double,
7978 output_fp_move_quad, output_move_double, output_move_quad,
7979 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7980 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7981 (sparc_emit_set_const32, sparc_emit_set_const64,
7982 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7983 mem_min_alignment, small_int_or_double): Add externs.
7984 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7985 UNSPEC_VOLATILE in this backend.
7986 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7987 unary to types which execute in it.
7988 (define_function_unit ieu_shift): Rename to ieu0.
7989 (define_function_unit ieu1): New, executes compare, call, and
7990 uncond_branch type insns.
7991 (define_function_units for type fdivs, fdivd, fsqrt): These
7992 execute in the fpu multiply unit not the adder on UltraSparc.
7993 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7994 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7995 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7996 allows the arith_double_operand predicate and rHI constraint when
7998 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7999 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8000 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8001 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8002 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8003 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8004 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8005 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8006 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8007 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8008 sign_extendqihi2_insn, sign_extendqisi2_insn,
8009 sign_extendqidi2_insn, sign_extendhidi2_insn,
8010 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8011 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8012 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8013 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8014 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8015 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8016 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8017 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8018 smulsi3_highpart_v8plus, unnamed subreg mult,
8019 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8020 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8021 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8022 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8023 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8024 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8025 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8026 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8027 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8028 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8029 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8030 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8031 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8032 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8033 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8034 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8035 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8036 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8037 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8038 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8039 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8040 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8041 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8042 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8043 call_address_untyped_struct_value_sp32,
8044 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8045 call_value_symbolic_sp32, call_value_address_sp64,
8046 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8047 flush_register_windows, goto_handler_and_restore,
8048 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8049 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8050 return_addsi, return_di, return_adddi, return_sf, all call+jump
8051 peepholes, trap, unnamed trap insns): Prettify output strings.
8052 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8053 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8054 Likewise and force + implement splits for integer cases.
8055 (define_insn return_sf_no_fpu): Likewise and allow to match when
8056 no-fpu because of our subreg SFmode splits.
8057 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8058 zero_extendqidi2_insn, zero_extendhidi2_insn,
8059 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8060 input_operand for second operand.
8061 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8062 reg_or_0_operand for operand 2 so new splits can use it.
8063 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8064 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8066 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8067 CONST_DOUBLEs for operand 2.
8068 (define_insn move_label_di): Likewise and label distance
8069 optimization because it no longer works with new deferred case
8070 vector scheme. To be revisited.
8071 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8072 and allow reg_or_0_operand and J constraint for second operand.
8073 (define_insn jump): Set branch predict taken on V9.
8074 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8075 new deferred case vector scheme.
8076 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8077 (define_insn negdi2_sp32): Force + implement splits.
8078 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8079 one_cmplsi2_not_liveg0 respectively, and create expander of original
8080 names which emit special rtl for TARGET_LIVE_G0.
8081 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8082 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8083 gen_compare_reg, FAIL instead.
8084 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8085 values when trying to reverse condition codes, if they FAIL then
8087 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8088 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8089 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8090 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8091 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8092 set output string to # to indicate they are mandatory splits.
8093 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8094 pic_sethi_di, move_pic_label_si): Remove.
8095 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8096 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8098 (define_expand movsi_pic_label_ref, define_insn
8099 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8100 expander and insns to handle PIC label references and deferred
8102 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8104 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8105 Rewrite to not use emit_move_sequence, make use of new constant
8106 formation code, and new splits for all multi-insn cases.
8107 (define_insn movqi_insn): Remove sethi case, it can never happen.
8108 Use reg_or_zero_operand instead of const0_rtx explicit test,
8109 use input_operand instead of move_operand for source, and use
8110 general_operand now for dest.
8111 (define_insn movhi_insn): Similar but leave sethi case.
8112 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8113 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8114 movhi_lo_sum respectively, prettify output string.
8115 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8116 register when needed on TARGET_LIVE_G0.
8117 (define_insn movsi_insn): Use general_operand and input_operand
8118 for dest and src respectively. Simplify applicability test.
8119 Prettify output strings, and add clr alternative for J
8121 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8122 deprecated std and reg-reg DI moves): Remove and...
8123 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8124 implementation which uses forced splits for all non-single insn
8126 (define_split DI move cases on !arch64): New splits to handle all
8127 situations of 64-bit double register DImode on 32bit, and
8128 unaligned registers and memory addresses for all subtargets.
8129 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8131 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8132 input_operand for dest and src respectively, prettify output
8134 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8135 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8137 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8138 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8139 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8140 movtf_no_e_insn_sp64) Replace with new
8141 implementation which uses forced splits for all non-single insn
8143 (define_split DF move cases): New splits in similar vein to DI
8145 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8146 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8147 movdi_sp64_insn): Remove old v9 code model and constant loading
8149 (define_insn pic_lo_sum_di, pic_sethi_di,
8150 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8151 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8152 embmedany_sethi, embmedany_losum, embmedany_brsum,
8153 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8154 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8155 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8156 scheme, using unspecs, secondary reloads, and one to one sparc
8157 insn to rtl insn mapping for better scheduling and code gen.
8158 (define_expand reload_indi, reload_outdi): Reload helpers for
8159 MEDANY and EMBMEDANY symbol address loading cases which require a
8161 (define_expand movsicc): Remove v8plus_regcmp cases.
8162 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8163 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8164 cmp_diqi_trunc_set): New patterns used by some of the new scc
8166 (define_insn xordi3_sp64_dbl): New pattern used for constant
8167 formation when crossing from 32-bit targets.
8168 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8170 (define_insn addx, subx): Make visible and prettify.
8171 (define_insn adddi3_insn_sp32): Likewise and force split.
8172 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8173 64bit scc split usage.
8174 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8175 zero_extend, subdi3): Force and implement splits.
8177 * final.c (final_scan_insn): Don't output labels if target
8178 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8181 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8182 don't forget to walk inside SEQUENCESs too as these are what the
8183 delay slot scheduler will create.
8185 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8187 * alpha.md (extxl+1,+2): New patterns to work around
8190 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8192 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8193 caused bad assembly code to be generated.
8195 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8197 * netbsd.h: Fix typo.
8199 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8201 * config.sub: Fix typo.
8203 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8205 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8207 (Running Protoize): Typo: Change "ther" into "other".
8209 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8211 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8212 * m68k/netbsd.h: Likewise.
8213 * ns32k/netbsd.h: Likewise.
8214 * sparc/netbsd.h: Likewise.
8216 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8218 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8219 * ginclude/va-clipper.h (va_list): Likewise.
8221 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8223 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8224 load/store multiple instructions unless user overrides.
8226 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8228 * ns32k/netbsd.h: Fix typo.
8230 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8232 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8233 labels with .debugsym if no parallel insns.
8235 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8237 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8238 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8240 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8242 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8243 (AR_FOR_TARGET): Define.
8245 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8247 * dyn-string.h: New file.
8248 * dyn-string.c: Likewise.
8249 * Makefile.in (OBJS): Add dyn-string.o.
8250 (dwarf2out.o): Add dyn-string.h dependency.
8251 (dyn-string.o): List dependencies.
8252 * dwarf2out.c: Include dyn-string.h.
8253 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8254 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8255 prototype. Use dyn_string_append rather than strcat, throughout.
8256 (addr_to_string): Use dyn_string_t.
8258 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8260 Function entry/exit profiling instrumentation:
8261 * expr.h (profile_function_entry_libfunc,
8262 profile_function_exit_libfunc): Declare new variables.
8263 * optabs.c: Define them here.
8264 (init_optabs): Initialize them.
8265 * tree.h (struct tree_decl): New flag
8266 no_instrument_function_entry_exit.
8267 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8268 * c-decl.c (duplicate_decls): Merge it.
8269 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8270 (init_attributes): Use it for "no_instrument_function".
8271 (decl_attributes): Handle it, for functions that have not yet been
8272 compiled. Set decl flag.
8273 * flags.h (flag_instrument_function_entry_exit): Declare new
8275 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8276 (f_options): New option "instrument-functions".
8277 * function.h (struct function): New field instrument_entry_exit.
8278 * function.c (current_function_instrument_entry_exit): New
8280 (push_function_context_to, pop_function_context_from): Save and
8282 (expand_function_start): Set current_ variable, maybe emit return
8283 label and entry profile call.
8284 (expand_function_end): Maybe emit exit profile call.
8286 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8288 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8289 NON_QI_REG_P, pretend the register is SImode.
8291 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8293 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8294 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8295 manufacturer id for ns32k.
8296 * configure: Regenerated.
8297 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8298 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8299 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8300 * config/m68k/netbsd.h: Same.
8301 * config/ns32k/netbsd.h: Same.
8302 * config/sparc/netbsd.h: Same.
8304 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8306 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8307 or UNROLL_COMPLETELY loop that starts with a jump to its
8310 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8312 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8313 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8314 (print_operand, case 'B'): Don't fall through.
8315 (print_operand, case 'S'): Correct mask begin/end computation.
8316 Use HOST_BITS_PER_WIDE_INT.
8317 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8318 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8319 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8320 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8322 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8324 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8325 constraint from second alternative.
8327 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8329 * configure.in: Fix --without/--disable cases for local-prefix,
8330 gxx-include-dir and checking.
8332 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8334 * configure.in (enable_haifa): Set by default for sparc64 too.
8337 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8339 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8340 * i386/winnt.c (associated_type): New fn.
8341 (i386_pe_valid_type_attribute_p): New fn.
8342 (i386_pe_check_vtable_importexport): Remove.
8343 (i386_pe_dllexport_p): Use associated_type.
8344 (i386_pe_dllimport_p): Likewise.
8346 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8347 * i386.c (i386_valid_type_attribute_p): Also accept
8348 attributes for METHOD_TYPEs.
8350 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8352 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8354 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8356 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8358 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8359 them from generating a new base name for each occurence of
8362 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8364 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8366 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8370 * cplus-dem.c (type_kind_t): New type.
8371 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8372 on this paramter, rather than demangling the type again.
8373 (demangle_integral_value): Pass tk_integral.
8374 (demangle_template_: Pass the value returned from do_type.
8375 (do_type): Return a type_kind_t. Pass tk_integral to
8376 demangle_template_value_parm for array bounds.
8377 (demangle_fund_type): Likewise.
8379 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8381 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8384 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8386 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8388 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8390 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8392 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8395 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8397 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8398 (DEBUGGER_ARG_OFFSET): Likewise.
8400 * mn10300.md (movsf): Remove last change. Not needed.
8402 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8404 * c-lex.c (yylex): Fix boundary conditions in character literal and
8405 string literal loops.
8407 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8409 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8410 being invoked incorrectly.
8412 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8413 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8415 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8416 * configure.in: Added i[34567]86-*-win32
8417 * config.sub: Ditto.
8418 * configure: Rebuilt.
8420 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8422 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8423 the frame pointer and compiling PIC code and reload has not completed.
8425 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8428 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8430 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8432 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8434 * Makefile.in (install-info): Only try to update the info
8435 directory file if it exists in the first place.
8437 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8439 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8441 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8443 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8444 CONST_DOUBLE source.
8446 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8448 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8449 strings as the insertion of USER_LABEL_PREFIX.
8450 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8452 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8455 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8457 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8458 already defined type.
8460 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8462 * expr.c (check_max_integer_computation_mode): Allow conversions
8463 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8464 (expand_expr): Likewise.
8466 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8468 * expr.c (expand_expr): Expand RETURN_EXPR.
8470 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8472 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8474 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8476 * dwarf2out.c (output_aranges): Call stripattributes
8477 for TEXT_SECTION references.
8478 (output_line_info): Likewise.
8480 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8482 * profile.c (branch_prob): Call allocate_reg_info after outputting
8483 profile rtl in instrument_arcs.
8485 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8487 * fixinc.irix (math.h): Install wrapper instead of copying.
8489 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8491 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8492 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8493 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8494 lang_flag_0. Added documentation in the flag table.
8496 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8498 * cccp.c (do_include): Fix vax c style include handling.
8500 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8502 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8504 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8506 * fold-const.c (non_lvalue): Don't deal with null pointer
8508 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8510 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8512 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8513 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8514 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8515 (u_short_cint_operand): Same.
8516 (reg_or_cint_operand): Same.
8517 (logical_operand): Same.
8518 (input_operand): Same.
8519 (reg_or_short_operand): Use u_short_cint_operand.
8521 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8523 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8524 but keep the insns and splits. Adjust so when the ultimate destination
8525 is memory, use cvtql.
8527 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8529 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8531 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8533 * gcc.c (do_spec): Call "error" not "warning".
8535 * configure.in: Fix minor problems with gas feature detection code.
8536 * configure: Rebuilt.
8538 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8541 * gcc.c: Delete %[spec] support.
8542 (do_spec_1, case '('): Likewise.
8543 (do_spec_1, case '['): Call error.
8545 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8547 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8548 (CPP_SUBTARGET_SPEC): Default to empty string.
8549 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8550 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8551 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8552 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8554 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8555 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8556 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8557 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8558 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8559 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8560 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8561 * alpha/vxworks.h: Likewise.
8563 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8565 * mips.md (reload_outsi): Added missing REGNO call.
8566 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8568 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8569 another match_operator and compare the codes.
8571 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8573 * MIPS multiply pattern fixes:
8574 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8575 Add union classes for HI, LO, or HILO plus general registers.
8576 (GENERATE_MADD): Deleted.
8577 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8578 Add TARGET_MAD to condition.
8579 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8580 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8581 "*d" for accumulator, to give preference to LO initially but not
8584 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8586 * configure.in (enable_c_mbchar): New configure option.
8587 (extra_cpp_objs): Always available now.
8589 * cexp.y (mbchar.h): #include it.
8590 (yylex): Handle Multibyte characters in character literals.
8592 * cccp.c (mbchar.h): #include it.
8593 (main): Set character set based on LANG environment variable.
8594 (rescan): Handle multibyte characters in comments.
8595 (skip_if_group): See above.
8596 (validate_else): See above.
8597 (skip_to_end_of_comment): See above.
8598 (macarg1): See above.
8599 (discard_comments): See above.
8600 (rescan): Handle multibyte characters in string and character literals.
8601 (collect_expansion): See above.
8602 (skip_quoted_string): See above.
8603 (macroexpand): See above.
8604 (macarg1): See above.
8605 (discard_comments): See above.
8606 (change_newlines): See above.
8608 * c-lex.c (mbchar.h): #include it.
8609 (GET_ENVIRONMENT): New macro.
8610 (init_lex): Set character set based on LANG environment variable.
8611 (yylex): Handle multibyte characters in character literals.
8612 (yylex): Handle multibyte characters in string literals.
8614 * Makefile.in (mbchar.o): New target.
8615 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8616 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8618 * mbchar.[ch]: New files for multibyte character handling.
8620 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8622 * jump.c (jump_optimize): When simplifying noop moves and
8623 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8624 the PUSHes to rewrite in second loop as we did in the first.
8626 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8628 * cplus-dem.c (demangle_nested_args): Make function definition
8629 static to match the prototype.
8631 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8633 * alloca.c: Respect USE_C_ALLOCA.
8634 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8635 * gengenrtl.c (xmalloc): Likewise.
8637 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8639 * loop.h (struct induction): Add no_const_addval.
8640 * loop.c (the_movables, reg_address_cost): New variables.
8641 (init_loop): Init reg_address_cost.
8642 (loop_optimize): Call end_alias_analysis.
8643 (scan_loop): Init the_movables.
8644 (record_giv): Init induction->no_const_addval.
8645 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8646 [REG]: Rearrange loop search test to catch more cases.
8647 (general_induction_var): Return success not benefit; take an extra
8648 argument for that. Change all callers.
8649 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8650 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8651 [default]: Search the_movables for additional combinations.
8652 (sge_plus_constant, sge_plus): New functions.
8653 (express_from_1): New function.
8654 (express_from): Always define. Rewrite using express_from_1.
8655 (combine_givs_p): Handle more cases. Ignore address cost.
8656 (cmp_combine_givs_stats): New function.
8657 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8658 (combine_givs): Rewrite to do best-fit combination.
8660 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8661 (fold): Do a complete (A*C)+(B*C) association check.
8663 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8665 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8667 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8669 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8671 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8673 * tree.c (valid_machine_attribute): Only create a new type variant if
8674 there is a decl to use it.
8676 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8678 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8681 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8683 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8686 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8688 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8689 Simplify tests for clearing an address register.
8690 (expand_prologue): Corresponding changes.
8692 * mn10300.md (movXX patterns): Make sure the destination is an
8693 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8694 (logical patterns): Split into expanders + patterns
8695 (zero and sign extension patterns): Similarly.
8696 (shift patterns): Similarly.
8698 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8700 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8701 for the sequence, recording base values.
8703 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8705 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8707 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8709 * gcc.c: Remove ANSI-C ism from --help code.
8711 * toplev.c: Support --help with USE_CPPLIB.
8713 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8715 * configure.in: Rework gas feature code to work with symlink based
8718 * extend.texi: Clarify some issues related to local variables
8719 assigned to explicit registers.
8721 * mn10300.md (mulsi): Turn into expander + pattern.
8723 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8726 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8728 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8730 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8732 * version.c: Bump again to distinguish mainline tree from the
8735 See ChangeLog.0 for earlier changes.
8738 add-log-time-format: current-time-string
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