1 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
5 (const_sint32_operand): Likewise.
7 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
10 is a macro when deciding if we can use `jmp_buf' in prototypes.
12 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14 * config/c4x/c4x.md (addqi3): If the destination operand is
15 a hard register other than an extended precision register,
16 emit addqi3_noclobber.
17 (*addqi3_noclobber_reload): New pattern added so that reload
18 will recognise a store of a pseudo, equivalent to the sum
19 of the frame pointer and a constant, as an add insn.
21 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
23 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
25 * i386/xm-go32.h: Define LIBSTDCXX.
27 * i386/go32.h (MD_EXEC_PREFIX): Define.
28 (FILE_NAME_ABSOLUTE_P): Define.
29 (LINK_COMMAND_SPEC): Define.
31 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
33 * expr.c (store_expr): If the lhs is a memory location pointed
34 to be a postincremented (or postdecremented) pointer, always
35 force the rhs to be evaluated into a pseudo.
37 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
39 * real.c (mtherr): Print more reasonable warning messages.
41 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
43 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
45 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
46 (new_include_prefix): Constify char* parameters.
48 * cppfiles.c (read_name_map): Likewise.
49 (append_include_chain): Likewise. Also, use a writable char* copy
50 of parameter `dir' which we then modify, rather than using the
51 parameter itself to store the new writable string.
52 (remap_filename): Constify some variables. Also, use a writable
53 char* to store an allocated string which we will be modifying.
55 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
56 (cpp_start_read): Constify variable `str'.
58 * cpplib.h (append_include_chain): Constify a char* parameter.
60 * gcc.c Include prefix.h, don't prototype prefix.c functions.
61 (add_prefix, save_string): Constify char* parameters.
62 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
64 * prefix.c: Include prefix.h.
65 (get_key_value, translate_name, save_string, update_path,
66 set_std_prefix): Constify various char* parameters and variables.
67 (save_string): Use xmalloc, not malloc.
68 (translate_name): Use a writable temporary variable to create and
69 modify a string before setting it to a const char*.
71 * prefix.h: New file to prototype functions exported from prefix.c.
73 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
75 * cpplib.c (skip_if_group): Split out the logic that handles
76 directive recognition to its own function. Don't use
77 parse markers; use a bare pointer into the buffer. Use
78 copy/skip_rest_of_line instead of doing it by hand. Remove
79 `return on any directive' mode which was never used, and take
81 (consider_directive_while_skipping): New function, subroutine
82 of skip_if_group. Logic streamlined a bit.
83 (conditional_skip, do_elif, do_else): Call skip_if_group with
86 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
88 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
91 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
93 * extend.texi (Bound member functions): Document.
95 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
97 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
98 lang_to_string, type_to_string): Make return type const char*.
99 (print_symbol): Apply `const' keyword to a char*.
100 (print_file_desc): Cast structure member `crfd' to ulong when
101 comparing against one.
103 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
104 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
105 (progname, input_name): Apply `const' keyword to a char*.
106 Don't redundantly include sys/stat.h.
107 (alloc_info): Apply `const' keyword to a char*.
108 (st_to_string, sc_to_string): Likewise.
109 (hash_string): Cast variable `hash_string' to a symint_t when
110 comparing against one.
111 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
112 Likewise cast it to long when comparing against one.
113 (add_local_symbol): Apply `const' keyword to a char*.
114 (add_ext_symbol): Likewise.
115 (add_unknown_tag): Likewise.
116 (add_procedure): Cast a printf-style field width to an int.
117 (add_file): Cast PAGE_USIZE to long when comparing against one
118 (parse_begin): Cast a printf-style field width to an int.
119 (parse_bend): Likewise.
120 (parse_def): Likewise.
121 (parse_end): Likewise.
122 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
123 (parse_stabs_common): Fix format specifier.
124 (parse_input): Change type of variable `i' to Size_t.
125 (write_object): Fix arguments to match format specifiers.
126 Cast variable `num_write' to long when comparing against one.
127 (read_seek): Cast variable `sys_read' to symint_t when comparing
128 against one. Fix arguments to match format specifiers. Cast
129 variable `size' to long when comparing against one.
130 (copy_object): Cast result of `sizeof' to int when comparing
131 against one. Fix arguments to match format specifiers. Cast
132 variable `ifd' to long when comparing against a signed value.
135 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
137 * c-common.c (decl_attributes): Allow applying attribute `unused'
140 * c-parse.in (label): Parse attributes after a label, and call
141 `decl_attributes' to handle them.
143 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
145 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
146 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
148 * invoke.texi: Note that labels can be marked `unused'.
150 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
152 * version.c: Bump for snapshot.
154 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
156 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
157 RTL for a compare/jump sequence.
159 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
161 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
162 for a target with HAVE_cc0 defined.
163 (emit_cmp_and_jump_insns): New function.
164 * expr.h (emit_cmp_and_jump_insns): Prototype it.
165 * loop.c (check_dbra_loop): Use it to replace calls
166 to emit_cmp_insn and emit_jump_insn and to canonicalise
167 the comparison if necessary.
168 * unroll.c (unroll_loop): Likewise.
170 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
172 * fixincludes (sys/utsname.h): Provide forward declaration of
173 struct utsname on Ultrix V4.[35].
175 * mips.md (div_trap): Use local labels instead of dot-relative
178 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
180 * pa.md (branch, negated branch): Handle (const_int 0) as first
182 * pa.c (output_cbranch): Likewise.
184 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
186 * rs6000.c (rs6000_stack_info): Undo spurious part of last
189 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
191 * extend.texi (__builtin_constant_p): Add missing @smallexample.
193 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
195 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
197 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
199 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
200 (adddi_dishl32): Similarly.
202 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
203 for each insn in the skipped block.
205 * reload1.c (reload_as_needed): Verify that the insn satisfies its
206 constraints after replacing a register address with an autoincrement
207 address for reload inheritance purposes.
209 * i386.md (doubleword shifts): Avoid namespace pollution.
211 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
213 * configure.in (FreeBSD ELF): Needs special crt files.
215 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
217 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
219 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
221 * loop.c (check_dbra_loop): While reversing the loop, if the
222 comparison value has a VOID mode use the mode of the other operand
225 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
227 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
228 avoid warnings in compiling explow.c.
230 (patch from Ken Raeburn, raeburn@cygnus.com)
231 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
232 fpmem_offset. Compute total size after that, and then
233 rs6000_fpmem_offset using both values.
235 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
237 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
238 the future; indeed that already happens in some cases.
240 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
242 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
243 (arith_operand): Remove constant_p_rtx handling.
244 (const64_operand, const64_high_operand): Likewise.
245 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
246 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
247 (small_int_or_double, uns_small_int, zero_operand): Likewise.
248 * sparc.h (PREDICATE_CODES): Likewise.
250 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
252 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
254 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
255 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
256 consider constant CONSTRUCTOR constant and to defer some cases
258 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
259 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
261 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
263 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
264 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
266 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
267 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
268 (sext_add_operand, and_operand, or_operand): Likewise.
269 (reg_or_cint_operand, some_operand, input_operand): Likewise.
270 * alpha.h (PREDICATE_CODES): Likewise.
272 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
274 * version.c: Bump for snapshot.
276 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
278 * gengenrtl.c (gencode): Always use bzero to clear memory instead
279 of dangerous casts and stores.
281 * Makefile.in (compare, gnucompare): Add missing else true clauses.
283 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
285 * alpha.md (builtin_longjmp): Add missing "DONE".
287 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
289 * gcc.c (execute): Enable -pipe with win32.
291 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
293 * config/arm/t-arm-elf: Add multiplib option for leading
296 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
297 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
299 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
300 than variable 'reload_address_base_reg_class'. [Note this
301 change is unrelated to the others in this patch].
303 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
306 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
308 * alias.c (record_alias_subset): Remove ignored `&'.
309 (init_alias_once): Likewise.
311 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
313 * config/mips/mips.c (mips_asm_file_end): Cast the result of
314 fwrite to `int' when comparing against one.
316 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
317 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
319 * cse.c (rehash_using_reg): Change type of variable `i' to
322 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
325 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
327 * final.c (final_scan_insn): Likewise for variable `i'.
328 (output_asm_insn): Cast a char to unsigned char when used as an
331 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
334 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
336 * recog.c (preprocess_constraints): Cast a char to unsigned char
337 when used as an array index.
339 * regmove.c (find_matches): Likewise.
341 * reload1.c (calculate_needs): Add default case in switch.
342 (eliminate_regs_in_insn): Initialize variable `offset'.
343 (set_offsets_for_label): Change type of variable `i' to unsigned.
344 (reload_as_needed): Wrap variable `i' in macro check on
345 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
347 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
348 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
349 when comparing against one.
351 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
352 unsigned when comparing against one. Likewise for
353 GET_MODE_ALIGNMENT().
354 (layout_record): Cast record_align to int when comparing against a
356 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
359 * tree.c (get_identifier): Cast variable `len' to unsigned when
360 comparing against one.
361 (maybe_get_identifier): Likewise
363 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
365 * toplev.c (rest_of_compilation): Do not set reload_completed.
366 * reload1.c (reload): Set reload_completed before calling
367 cleanup_subreg_operands.
369 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
371 * reload1.c (emit_reload_insns): Check `set' not null before use.
373 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
375 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
378 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
380 * halfpic.c (half_pic_encode): Delete redundant code.
382 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
384 * toplev.c (main): Delete handling of -dM as a preprocessor
387 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
389 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
390 -dI, which are handled by the preprocessor.
392 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
394 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
395 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
397 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
399 * version.c: Bump for snapshot.
401 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
403 * version.c: Bump for snapshot.
405 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
407 * version.c: Bump for snapshot.
409 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
411 * genattr.c (fatal): Qualify a char* with the `const' keyword.
413 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
414 write_unit_name, write_eligible_delay, expand_units,
415 make_length_attrs, write_attr_case, find_attr,
416 make_internal_attr): Likewise.
417 * gencheck.c (tree_codes): Likewise.
418 * gencodes.c (fatal): Likewise.
419 * genconfig.c (fatal): Likewise.
420 * genemit.c (fatal): Likewise.
421 * genextract.c (fatal, walk_rtx, copystr): Likewise.
422 * genflags.c (fatal): Likewise.
423 * genopinit.c (fatal, optabs, gen_insn): Likewise.
424 * genoutput.c (fatal, error, predicates): Likewise.
425 * genpeep.c (fatal): Likewise.
426 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
427 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
429 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
431 * configure.in (with-fast-fixincludes): Fix whitespace.
432 * configure: Rebuilt.
434 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
435 asm() etc. function declarations in __DECC.
437 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
439 * expr.c (emit_move_insn_1): Only emit a clobber if the target
440 is a pseudo register.
442 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
444 * gcse.c: Include expr.h in order to get the prototype for
445 get_condition() which is used in delete_null_pointer_checks().
447 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
449 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
451 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
453 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
454 (ALL_CFLAGS): Delete SCHED_CFLAGS.
456 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
458 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
461 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
463 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
464 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
465 optimizations from the combiner.
467 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
469 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
471 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
473 * toplev.c (main): Disable optimize_size if a specific
474 optimization level is requested. Always set optimization
475 level to 2 if -Os is specified.
477 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
479 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
481 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
482 initialize it using fname.
484 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
486 * cpplib.c (do_include): Treat #include_next in the
487 primary source file as #include plus warning. Treat
488 #include_next in a file included by absolute path as an
489 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
491 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
493 * cccp.c: Don't define MIN/MAX anymore.
494 * cpplib.c: Likewise.
495 * machmode.h: Likewise.
496 * system.h: Provide definitions for MIN/MAX.
498 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
500 * fix-header.c: Don't define xstrdup here.
502 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
504 * loop.c (consec_sets_giv): New argument last_consec_insn.
505 (strength_reduce): Provide / use it.
507 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
509 * loop.h (loop_info): New field 'vtop'.
510 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
511 scanning loop for vtop.
512 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
513 (loop_iterations): Use them to determine if loop has a constant
514 number of iterations. Set loop_info->vtop. Don't subtract
515 common reg term from initial_value and final_value if have a
518 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
520 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
522 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
524 * mn10200.md (abssf2, negsf2): New expanders.
526 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
528 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
530 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
531 replaced by a CONCAT whoes components do not have the same
532 mode as the original SUBREG, use a new SUBREG to restore the
535 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
536 multiword complex values.
538 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
540 * cppalloc.c: Add xstrdup here.
541 * cpplib.h: Remove savestring prototype.
542 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
544 * cppfiles.c: s/savestring/xstrdup/ throughout.
546 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
548 * cpplib.c: Make all directive handlers read their own
550 (struct directive): Remove last two arguments from FUNC
551 member prototype. Remove `command_reads_line' member
553 (directive_table): Remove initializations of
554 command_reads_line flag. Pretty-print.
555 (eval_if_expression, do_define, do_line, do_include,
556 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
557 do_else, do_elif, do_sccs, do_assert, do_unassert,
558 do_warning): Take only two args.
560 (cpp_define): Call do_define with two args and the text to
561 define stuffed into a buffer.
562 (make_assertion): Call do_assert with two args.
563 (handle_directive): Call do_line with two args. Call
564 kt->func with two args. Remove command_reads_line
566 (do_define, do_undef, do_error, do_warning, do_pragma,
567 do_sccs): Read the rest of the line here.
568 (do_ident): Gobble rest of line, as cccp does.
569 (cpp_undef): New function.
570 (cpp_start_read): Call cpp_undef instead of do_undef.
572 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
574 * cpphash.h (union hash_value): Remove `keydef' member, add a
575 `struct hashnode *aschain' member for #assert.
577 * cpplib.c (struct tokenlist_list, struct
578 assertion_hashnode): Delete structure definitions.
579 (assertion_install, assertion_lookup, delete_assertion,
580 check_assertion, compare_token_lists, reverse_token_list,
581 read_token_list, free_token_list): Delete functions.
582 (parse_assertion): New function.
583 (cpp_cleanup): Don't destroy the assertion_hashtable.
585 (do_assert): Gut and rewrite. #assert foo (bar) places
586 entries for `#foo' and `#foo(bar)' in the macro hash table,
587 type T_ASSERT. The value union's `aschain' member is used
588 to chain all answers for a given predicate together.
589 (do_unassert): Also rewritten. Take an un-asserted
590 answer off the chain from its predicate and call
591 delete_macro on the hashnode, or walk a predicate chain
592 calling delete_macro on all the entries.
593 (cpp_read_check_assertion): Simply call parse_assertion to
594 get the canonical assertion name, and look that up in the
597 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
600 * cpphash.c (install): Use bcopy instead of an explicit loop
601 to copy the macro name.
603 * cppexp.c (cpp_lex): Convert the result of
604 cpp_read_check_assertion to a `struct operation' directly;
605 don't go through parse_number.
607 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
609 * loop.h (struct induction): Delete times_used member.
610 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
611 (n_times_used): Rename to n_times_set. Changed all users.
612 (scan_loop): Free reg_single_usage before strength reduction.
613 (record_giv, combine_givs): Remove handling of times_used member.
614 (combine_givs_used_once): Rename to:
615 (combine_givs_used_by_other) . Changed all callers.
617 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
619 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
620 instead of TREE_CODE_CLASS == 't'.
621 (gen_type_die): Likewise.
622 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
624 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
626 * real.c (endian): Disable last change unless
627 HOST_BITS_PER_WIDE_INT is greater than 32.
629 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
631 * output.h (force_data_section): New prototype.
632 * varasm.c (force_data_section): New function to force the
633 data section, regardless of what in_section thinks.
634 * dwarf2out.c (output_call_frame_info): Call force_data_section
635 since varasm may not realize we've changes sections.
637 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
639 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
640 after completeing reload.
642 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
643 deleted after reload.
645 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
647 * rtl.h (multiple_sets): Fix prototype.
648 * rtlanal.c (multiple_sets): Fix return type.
650 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
652 * version.c: Bump for snapshot.
654 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
656 * version.c: Bump for snapshot.
658 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
660 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
662 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
664 * rtl.h (recompute_reg_usage): Add second argument.
665 * flow.c (recompute_reg_usage): Likewise.
666 * toplev.c (rest_of_compilation): Supply second argument to
669 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
672 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
674 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
675 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
676 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
679 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
681 * rtlanal.c (multiple_sets): New function.
682 * rtl.h (multiple_sets): Declare it.
683 * local-alloc.c (wipe_dead_reg): Use it.
684 * global.c (global_conflicts): Likewise.
686 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
688 * global.c (record_conflicts): Don't use an array of shorts to
689 store an array of ints.
690 (global_conflicts): Likewise.
692 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
694 * alpha.c (alpha_expand_block_move): mode_for_size expects
695 bits, not bytes. Infer extra alignment from addressof.
697 1998-12-11 Michael Meissner <meissner@cygnus.com>
699 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
700 .sbss section, not .sdata.
702 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
704 * cccp.c: Do not #include <sys/stat.h> here; this is already done
706 * collect2.c: Likewise.
707 * cpplib.h: Likewise.
710 * getpwd.c: Likewise.
711 * protoize.c: Likewise.
712 * toplev.c: Likewise.
714 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
715 and don't try to define it here.
716 * Makefile.in (cppmain.o): Depend on machmode.h.
717 (cpplib.o): Likewise.
718 (cpperror.o): Likewise.
719 (cppexp.o): Likewise.
720 (cppfiles.o): Likewise.
721 (cpphash.o): Likewise.
722 (cppalloc.o): Likewise.
723 (fix-header.o): Likewise.
724 (scan-decls.o): Likewise.
726 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
728 * sh.c (print_operand): lookup interrupt_handler attribute instead
729 of relying on static variable.
730 * (calc_live_regs): Likewise.
731 * (sh_pragma_insert_attributes): Create interrupt_handler
732 attribute if a pragma was specified
733 * (sh_valid_machine_decl_attribute): Don't set static flag.
734 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
736 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
738 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
739 to determine if a register is live at a jump destination.
740 Everything is dead at a BARRIER.
742 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
744 * cse.c (simplify_unary_operation): Sign-extend constants when
745 they have the most significant bit set for the target.
746 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
748 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
749 HOST_WIDE_INT temporary before negating it.
750 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
752 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
754 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
757 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
759 * collect2.h: New header file for prototypes.
761 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
763 * collect2.c: Include collect2.h.
766 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
768 * flow.c: Update some comments.
770 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
772 * objc/objc-act.c (cpp_initialized): Removed.
773 (lang_init_options): Initialize cpplib.
774 (lang_decode_option): Move initialization of cpplib to
776 * c-lang.c: (parse_options,parse_in): Added.
777 (lang_init_options): Initialized cpplib here.
778 * c-decl.c (parse_options,cpp_initialized): Removed.
779 (c_decode_option): Move initialization of cpplib to
782 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
784 * reload1.c (reload_combine, reload_combine_note_store):
785 Make STORE_RUID always valid.
786 (reload_combine): Check if BASE is clobbered too early.
788 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
790 * reload.c (find_reloads): Display the insn that cannot be
793 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
795 * cccp.c (create_definition): Fix end of bufer logic.
797 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
799 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
800 pointer parameters changed to use the PARAMS() macro.
802 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
804 * except.h (struct handler_info): Add handler_number field.
805 * except.c (gen_exception_label): EH labels no longer need to be
806 on the permanent obstack.
807 (get_new_handler): Set the label number field.
808 (output_exception_table_entry): Regenerate handler label reference
809 from the label number field.
810 (init_eh): Remove a blank line.
811 * integrate.c (get_label_from_map): Labels no longer need to be
812 on the permanent obstack.
814 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
816 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
817 only when OUTER_CODE is SET.
819 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
821 * loop.c (strength_reduce): If scan_start points to the loop exit
822 test, be wary of subversive use of gotos inside expression statements.
823 Don't set maybe_multiple for a backward jump that does not
824 include the label under consideration into its range.
825 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
827 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
829 * explow.c (plus_constant_wide): Don't immediately return with
830 result of recursive call.
832 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
834 * eh-common.h (struct eh_context): Add table_index for rethrows.
836 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
837 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
838 processed when inlined or unrolled (ie duplicated in some way).
840 * rtl.c (reg_note_name): Add strings for new reg_note enums.
842 * expr.h (rethrow_libfunc): New library decl.
844 * optabs.c (rethrow_libfunc): Initialize.
846 * except.h (struct eh_entry): Add new field 'rethrow_label'.
847 (new_eh_region_entry): No longer exported from except.c.
848 (duplicate_handlers): Renamed to duplicate_eh_handlers and
850 (rethrow_symbol_map, rethrow_used): New exported functions.
851 (eh_region_from_symbol): New exported function.
853 * except.c (create_rethrow_ref): New function to create a single
854 SYMBOL_REF for a rethrow region.
855 (push_eh_entry): Initialize a rethrow ref.
856 (func_eh_entry): Add a rethrow_label field.
857 (new_eh_region_entry): Make static, and initialize the rethrow entry.
858 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
859 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
860 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
861 a region into an appropriate new symbol.
862 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
863 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
864 (end_catch_handler): Emit a barrier for new-exceptions since
865 control can never drop through the end of a catch block.
866 (expand_end_all_catch): new-exceptions never fall through a catch
868 (expand_rethrow): use __rethrow routine for new exceptions.
869 (output_exception_table_entry): Generate rethrow labels, if needed.
870 (output_exception_table): Generate start and end rethrow labels.
871 (init_eh): Create rethrow symbols for beginning and end of table.
872 (scan_region): Don't eliminate EH regions which are the targets of
875 * flow.c (make_edges): Add different edges for rethrow calls,
876 identified by having the REG_EH_RETHROW reg label.
877 (delete_unreachable_blocks): Don't delete regions markers which are
878 the target of a rethrow.
880 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
881 allow save_for_inline_copying to call duplicate_eh_handlers.
882 (save_for_inline_copying): Call duplicate_eh_handlers instead of
883 exposing internal details of exception regions.
884 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
885 (expand_inline_function_eh_labelmap): New callback routine to
886 allow expand_inline_function to call duplicate_eh_handlers.
887 (expand_inline_function): Call duplicate_eh_handlers instead of
888 exposing internal details of exception regions.
889 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
892 * libgcc2.c (find_exception_handler): Generalize to enable it to
893 pick up processing where it left off last time for a rethrow.
894 (__unwinding_cleanup): New function. debug hook which is called before
895 unwinding when __throw finds there is nothing but cleanups left.
896 (throw_helper): Common parts of __throw extracted out for reuse.
897 (__throw): Common parts moved to throw_helper.
898 (__rethrow): New function for performing rethrows.
900 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
902 * reload1.c (current_function_decl): Tweak declaration.
904 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
906 * c-decl.c (flag_isoc9x): Default off.
907 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
908 * cccp.c (print_help, main): Likewise.
909 * gcc.c (default_compilers): Update for -std=gnu*.
911 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
913 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
914 * demangle.h: Deleted.
916 * reload1.c (current_function_decl): Declare.
918 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
920 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
922 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
924 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
926 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
928 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
930 * configure: Rebuilt.
931 * system.h: If the *_unlocked functions are available use them
932 instead of the locked counterparts by defining macros.
933 * config.in: Regenerated.
935 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
937 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
938 wrong and should only be used for dump related things, not
939 debugging information, instead main_input_filename should be used.
940 Also, reuse output_file_directive if possible.
941 * i386/aix386ng.h (ASM_FILE_START): Likewise.
942 * i386/isc.h (ASM_FILE_START): Likewise.
943 * i386/win-nt.h (ASM_FILE_START): Likewise.
944 * i386/sun386.h (ASM_FILE_START): Likewise.
946 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
948 * configure.in (mips*-*-linux*): Handle big and little endian
950 * configure: Rebuilt.
952 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
954 * emit-rtl.c: Fix typo.
956 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
958 * reload1.c (eliminate_regs): Don't do anything, if we're not
961 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
963 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
965 * mips/mips.c (mips_select_section): Add comment.
967 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
969 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
970 characters in file names in #line to be consistent with #include
971 handling. We support escape prcessing in the # 1 "..." version of
972 the command. See also support in cp/lex.c.
973 (handle_directive): Likewise.
976 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
978 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
979 so it'll work on non-ASCII platforms. Always consider $ an
980 identifier character. Take no arguments.
981 (cpp_reader_init): Call initialize_char_syntax with no
983 (cpp_start_read): Don't call initialize_char_syntax again.
984 Clear is_idchar['$'] and is_idstart['$'] if not
985 opts->dollars_in_ident.
987 * cpplib.h (struct cpp_reader): Replace void *data element by
988 cpp_options *opts. Rearrange elements to make gdb printout
989 less annoying (put buffer stack at end).
990 (CPP_OPTIONS): Get rid of now-unnecessary cast.
992 * cppmain.c: s/data/opts/ when initializing cpp_reader
994 * c-decl.c: Likewise.
995 * objc/objc-act.c: Likewise.
996 * fix-header.c: Likewise.
998 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1000 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1001 with a struct file_name_list pointer.
1002 (struct cpp_reader): Add pointer to chain of `actual
1003 directory' include searchpath entries.
1004 (struct file_name_list): Add *alloc pointer for the sake of
1005 the actual-directory chain.
1007 Move definition of HOST_WIDE_INT here.
1008 (cpp_parse_escape): Change prototype to match changes in
1011 * cppfiles.c (actual_directory): New function.
1012 (finclude): Use it to initialize the buffer's actual_dir
1014 (find_include_file): We don't need to fix up max_include_len
1017 * cpplib.c (do_include): Don't allocate a file_name_list on
1018 the fly for current directory "" includes, use the one that's
1019 been preallocated in pfile->buffer->actual_dir. Hoist out
1020 duplicate code from the search_start selection logic.
1021 (cpp_reader_init): Initialize pfile->actual_dirs.
1023 Remove definition of HOST_WIDE_INT. Change calls
1024 to cpp_parse_escape to match changes in cppexp.c (note
1025 hardcoded MASK, which is safe since this is the source
1028 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1029 to handle wide character constants in #if directives. The
1030 function now returns a HOST_WIDE_INT, and takes a third
1031 argument which is a binary mask for all legal values (0x00ff
1032 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1033 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1034 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1036 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1038 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1040 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1042 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1043 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1044 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1046 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1048 * final.c (output_asm_name): Use tabs to seperate comments from
1051 Include instruction lengths (if defined) in output.
1053 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1055 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1056 in the loop_info structure.
1058 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1060 * configure.in: (arm*-*-ecos-elf): New target.
1061 * configure: Regenerated.
1062 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1063 * config/arm/ecos-elf.h: New file.
1064 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1067 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1069 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1071 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1073 * version.c: Bump for snapshot.
1075 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1077 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1080 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1082 * version.c: Bump for snapshot.
1084 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1086 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1087 compressed reports are ok and preferred over URLs
1089 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1091 * invoke.texi (Warning Options): Soften the tone of -pedantic
1093 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1095 * print-rtl.c (print_rtx): Add prototype.
1097 * unroll.c (iteration_info): Make it static.
1099 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1101 * alias.c (memrefs_conflict_p): A second ANDed address
1102 disables the aligned address optimization.
1104 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1106 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1109 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1111 * i960.h (BOOL_TYPE_SIZE): Define.
1113 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1115 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1116 from old valid_parallel_operands_4.
1117 (valid_parallel_operands_4): Check that operands for 4 operand
1118 parallel insns are valid, excluding load/store insns.
1119 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1120 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1121 valid_parallel_load_store instead of valid_parallel_operands_4.
1122 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1123 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1124 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1125 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1126 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1127 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1128 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1130 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1132 * config/c4x/c4x.c (iteration_info): Delete extern.
1134 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1136 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1138 * final.c (cleanup_subreg_operands): Delete some unused code.
1140 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1141 (struct insn_alternative): New structure definition.
1142 (recog_op_alt): Declare variable.
1143 (preprocess_constraints): Declare function.
1144 * recog.c (recog_op_alt): New variable.
1145 (extract_insn): Verify number of alternatives is in range.
1146 (preprocess_constraints): New function.
1147 * reg-stack.c: Include recog.h.
1148 (constrain_asm_operands): Delete.
1149 (get_asm_operand_lengths): Delete.
1150 (get_asm_operand_n_inputs): New function.
1151 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1152 N_OUTPUTS args. All callers changed.
1153 Compute number of inputs and outputs here by calling
1154 get_asm_operand_n_inputs.
1155 Instead of constrain_asm_operands, call extract_insn,
1156 constrain_operands and preprocess_constaints. Use information
1157 computed by these functions throughout.
1158 (record_reg_life): Delete code that is unused due to changes in
1159 record_asm_reg_life.
1160 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1161 N_INPUTS and N_OUTPUTS args. All callers changed.
1162 Similar changes as in record_asm_reg_life.
1163 (subst_stack_regs): Move n_operands declaration into the if statement
1165 Delete code that is unused due to changes in subst_asm_stack_regs.
1166 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1168 * Makefile.in (reg-stack.o): Depend on recog.h.
1170 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1172 * except.c (set_exception_version_code): Argument is an "int".
1174 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1176 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1177 * configure: Rebuilt.
1179 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1181 * configure.in (mipsel-*-linux*): New target.
1182 * mips/linux.h: New file, based on other Linux targets.
1184 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1186 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1187 runs in the context of the deleter, not the deletee, so we must
1188 use taskVarGet to find the correct memory to free.
1189 (__gthread_key_create): Initialize the task
1190 variable subsystem so that the task variable is still active when
1191 the delete hook is run.
1193 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1195 * pdp11.h: Use optimize_size for space optimizations.
1196 * pdp11.c: Likewise.
1197 * pdp11.md: Likewise.
1199 * pdp11.h (TARGET_40_PLUS): Fix typo.
1201 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1203 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1206 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1208 * alias.c (addr_side_effect_eval): New function.
1209 (memrefs_conflict_p): Use it.
1210 * rtl.h (addr_side_effect_eval): Prototype it.
1212 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1214 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1216 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1218 * reload.c (find_reloads): When force const to memory, put result
1219 in substed_operand not *recog_operand_loc.
1221 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1223 * c-lex.c: Fix indentation from last patch.
1224 Remove trailing whitespace.
1227 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1229 * flow.c (delete_block): Call set_last_insn after we have reset
1230 NEXT_INSN (kept_tail).
1232 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1234 * mips.md (trap_if): Use "$0" for the value zero.
1236 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1237 Stephen L Moshier <moshier@world.std.com>
1238 Richard Henderson <rth@cygnus.com>
1240 * c-common.c (declare_function_name): Declare predefinied variable
1243 * c-decl.c (flag_isoc9x): Set to 1 by default.
1244 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1245 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1247 * c-parse.in: Allow constructors in ISO C 9x.
1248 Rewrite designator list handling.
1249 Allow [*] parameters.
1250 Don't warn about comma at end of enum definition for ISO C 9x.
1252 * cccp.c (c9x): New variable.
1253 (rest_extension): New variable.
1254 (print_help): Document new -std= option.
1255 (main): Recognize -std= option. Set c9x appropriately.
1256 (create_definition): Recognize ISO C 9x vararg macros.
1258 * gcc.c (default_compilers): Adjust specs for -std options.
1259 (option_map): Add --std.
1260 (display_help): Document -std.
1262 * toplev.c (documented_lang_options): Add -std and remove
1265 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1266 or REAL_VALUE_HTOF based on base of the constants.
1267 * fold-const.c (real_hex_to_f): New function. Replacement function
1268 for hex FP conversion if REAL_ARITHMETIC is not defined.
1269 * real.c (asctoeg): Add handling of hex FP constants.
1270 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1273 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1275 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1276 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1277 expansion. Use hi/lo as destination register.
1279 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1280 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1281 Avoid as macro expansion. Use hi/lo as destination register.
1283 * mips.h (MASK_CHECK_RANGE_DIV): New.
1284 (MASK_NO_CHECK_ZERO_DIV): New.
1285 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1286 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1287 return address for leaf functions out of r31 to support
1288 builtin_return_address.
1290 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1292 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1293 NEXT_INSN(x) to check insn x.
1295 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1297 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1298 last insn in the rtl chain.
1300 * reload1.c (reload): Do not set reload_completed or split insns
1302 * toplev.c (rest_of_compilation): Set reload_completed after
1303 reload returns. Split insns after reload_cse has run.
1305 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1307 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1309 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1311 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1313 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1315 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1316 use of user-label_prefix.
1318 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1320 * reload1.c (emit_reload_insns): Clear spill_reg_store
1321 when doing a new non-inherited reload from the same pseudo.
1323 * local-alloc.c (function_invariant_p): New function.
1324 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1325 to decide if an equivalence should be recorded.
1326 * reload1.c (num_eliminable_invariants): New static variable.
1327 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1328 to decide if an equivalence should be recorded.
1330 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1331 Take num_eliminable_invariants into account when deciding
1332 if register elimination should be done.
1333 (reload_as_needed): Take num_eliminable_invariants into account
1334 when deciding if register elimination should be done.
1335 (eliminate_regs): Handle non-constant reg_equiv_constant.
1336 * rtl.h (function_invariant_p): Declare.
1338 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1340 * version.c: Bump for snapshot.
1342 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1344 * version.c: Bump for snapshot.
1346 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1348 * except.c (add_new_handler): Complain about additional handlers
1349 after one that catches everything.
1351 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1353 * configure.in (alpha*-*-netbsd): Fix typo.
1354 * configure: Rebuilt.
1356 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1358 * system.h: Include libiberty.h.
1360 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1361 function `concat' from fixed parameters to variable parameters,
1362 as is done in libiberty. All callers of concat/concat3
1363 changed to use the new `concat' with variable args.
1365 * cccp.c: Remove things made redundant by libiberty.h and/or
1366 conform to libiberty standards.
1368 * collect2.c: Likewise.
1369 * config/1750a/1750a.h: Likewise.
1370 * cppalloc.c: Likewise.
1371 * cppexp.c: Likewise.
1372 * cppfiles.c: Likewise.
1373 * cpphash.c: Likewise.
1374 * cpplib.c: Likewise.
1375 * dyn-string.c: Likewise.
1376 * fix-header.c: Likewise.
1379 * genattr.c: Likewise.
1380 * genattrtab.c: Likewise.
1381 * gencheck.c: Likewise.
1382 * gencodes.c: Likewise.
1383 * genconfig.c: Likewise.
1384 * genemit.c: Likewise.
1385 * genextract.c: Likewise.
1386 * genflags.c: Likewise.
1387 * gengenrtl.c: Likewise.
1388 * genopinit.c: Likewise.
1389 * genoutput.c: Likewise.
1390 * genpeep.c: Likewise.
1391 * genrecog.c: Likewise.
1392 * getpwd.c: Likewise.
1393 * halfpic.c: Likewise.
1395 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1396 in NEED_DECLARATION_* macros.
1398 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1399 conform to libiberty standards.
1400 (fatal): Fix const-ification of variable `format' in
1401 !ANSI_PROTOTYPES case.
1403 * prefix.c: Remove things made redundant by libiberty.h and/or
1404 conform to libiberty standards.
1406 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1407 conflicting with function `spaces' from libiberty.
1409 * profile.c: Remove things made redundant by libiberty.h and/or
1410 conform to libiberty standards.
1411 * protoize.c: Likewise.
1414 * tlink.c: Likewise.
1415 * toplev.c: Likewise.
1416 * toplev.h: Likewise.
1419 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1421 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1423 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1425 * README.C4X: Updated URLs.
1426 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1427 (valid_parallel_operands_5): Remove unused variable.
1429 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1431 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1433 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1435 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1436 which can be configured.
1437 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1438 (Makefile): Pass actual LANGUAGES through the environment when
1440 (cstamp-h): Likewise.
1441 (config.status): Likewise.
1443 * configure.in (enable_languages): Add new configuration parameter
1444 "--enable-languages=lang1,lang2,...".
1445 (${srcdir}/*/config-lang.in): Change handling to configure only
1446 those directories, that the user might have enabled; default to
1447 "all" existing languages.
1448 * configure: Regenerate.
1450 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1452 * rtlanal.c (regs_set_between_p): New function.
1453 * rtl.h (regs_set_between_p): Prototype it.
1454 * jump.c (jump_optimize): Use it instead of modified_between_p
1455 in the Sep 2 change.
1457 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1458 Matthias Pfaller <leo@dachau.marco.de>
1460 * invoke.texi (Option Summary, NS32K Options): add description
1461 of NS32K specific options.
1463 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1464 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1465 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1466 negdf2, absdf2): Use l instead of f since the double class and
1467 float class are no longer the same.
1468 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1469 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1470 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1471 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1473 (cmpsi, cmphi, cmpqi): use general_operand instead of
1474 non_immediate_operand. Removes erroneous assumption that can't
1476 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1477 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1479 (movstrsi, movstrsi1, movstrsi2): completely new block move
1481 (...): Patterns to exploit multiply-add instructions.
1482 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1483 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1484 patterns to exploit extended divide insns.
1485 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1488 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1489 float return values as well as simple scalar floats.
1490 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1491 support new flag to denote 32381 fpu.
1492 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1493 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1495 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1496 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1497 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1498 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1499 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1500 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1501 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1502 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1503 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1504 fpu registers and special register classes for new 32381
1505 instructions dotf and polyf.
1506 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1508 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1509 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1511 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1512 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1513 (REGISTER_MOVE_COST): move code to register_move_cost function for
1514 ease of coding and debugging.
1515 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1516 LONG_FLOAT_REGO is likely spilled but not caught by default
1518 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1519 instead of hard coded numbers in range check.
1520 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1521 (...): Add prototypes for functions in ns32k.c but disable because
1522 of problems when ns32k.h is included in machine independant files.
1524 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1525 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1526 hard_regno_mode_ok, secondary_reload_class,
1527 print_operand, print_operand_address): new register scheme to
1528 include 32381 fpu registers and special register classes for new
1529 32381 instructions dotf and polyf.
1530 (gen_indexed_expr): Make static to keep namespace clean.
1531 (check_reg): remove since never called.
1532 (move_tail, expand_block_move): helper functions for "movstrsi"
1534 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1535 Increase cost of moves which go via memory.
1536 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1537 (CPP_PREDEFINES): nolonger predefine "unix".
1539 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1540 Remove erroneous %$. print_operand() can work out from the rtx is
1541 an immediate prefix is required.
1543 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1544 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1545 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1547 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1550 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1551 Correct handling of pic operands.
1552 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1553 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1554 -mrtd calling convention.
1556 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1558 * gcc.c (option_map): Recognize --output-class-directory.
1560 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1562 * loop.h (precondition_loop_p): Added new mode argument.
1563 * unroll.c (precondition_loop_p): Likewise.
1564 (approx_final_value): Function deleted and subsumed
1565 into loop_iterations.
1566 (loop_find_equiv_value): New function.
1567 (loop_iterations): Use loop_find_equiv_value to find increments
1568 too large to be immediate constants. Also use it to find terms
1569 common to initial and final iteration values that can be removed.
1571 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1573 * loop.h (struct loop_info): Define new structure.
1574 (precondition_loop_p): Added prototype.
1575 (unroll_loop): Added new argument loop_info to prototype.
1576 (final_biv_value, final_giv_value): Added new argument n_iterations
1578 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1579 and new pointer loop_info.
1580 (loop_n_iterations): Replace global variable by element in
1581 loop_info structure.
1582 (check_final_value): New argument n_iterations.
1583 (insert_bct): New argument loop_info.
1584 (loop_unroll_factor): Replace global array by element in
1585 loop_info structure.
1586 (loop_optimize): Remove code to allocate and initialise
1587 loop_unroll_factor_array.
1588 * unroll.c (precondition_loop_p): No longer static since
1589 used by branch on count optimization.
1590 (precondition_loop_p, unroll_loop): New argument loop_info.
1591 (final_biv_value, final_giv_value, find_splittable_regs): New
1592 argument n_iterations.
1593 (loop_iteration_var, loop_initial_value, loop_increment,
1594 loop_final_value, loop_comparison_code, loop_unroll_factor):
1595 Replaced global variables by loop_info structure.
1596 (loop_unroll_factor): Replace global array by element in
1597 loop_info structure.
1599 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1601 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1604 * unroll.c (precondition_loop_p): Return loop_initial_value
1605 for initial_value instead of loop_iteration_var.
1607 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1609 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1610 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1611 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1612 to output the instruction sequences.
1614 (rptb_top): Provide alternatives to use any register or memory
1616 (rptb_end): Emit use of operands rather than assigning them
1617 explicitly to the RS and RE registers.
1619 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1621 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1622 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1623 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1624 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1625 c4x_merge_notes, c4x_parallel_process,
1626 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1627 c4x_combine_parallel): Delete.
1629 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1631 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1632 with old target options clear flag_branch_on_count_reg if
1633 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1635 (c4x_output_cbranch): Handle a sequence of insns rather than a
1637 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1638 has not been allocated as the loop counter.
1639 (c4x_address_conflict): Do not allow two volatile memory references.
1640 (valid_parallel_operands_4, valid_parallel_operands_5,
1641 valid_parallel_operands_6): Reject pattern if the register destination
1642 of the first set is used as part of an address in the second set.
1644 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1646 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1647 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1648 is no longer enabled if PARALLEL_MPY_FLAG set.
1649 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1650 (REG_CLASS_CONTENTS): Add braces around initializers.
1651 (HAVE_MULTIPLE_PACK): Define.
1652 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1653 REAL_VALUE_TO_DECIMAL.
1654 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1655 REAL_VALUE_TO_DECIMAL.
1656 (ar0_reg_operand): Add prototype.
1657 (ar0_mem_operand): Likewise.
1658 (ar1_reg_operand): Likewise.
1659 (ar1_mem_operand): Likewise.
1660 (ar2_reg_operand): Likewise.
1661 (ar2_mem_operand): Likewise.
1662 (ar3_reg_operand): Likewise.
1663 (ar3_mem_operand): Likewise.
1664 (ar4_reg_operand): Likewise.
1665 (ar4_mem_operand): Likewise.
1666 (ar5_reg_operand): Likewise.
1667 (ar5_mem_operand): Likewise.
1668 (ar6_reg_operand): Likewise.
1669 (ar6_mem_operand): Likewise.
1670 (ar7_reg_operand): Likewise.
1671 (ar7_mem_operand): Likewise.
1672 (ir0_reg_operand): Likewise.
1673 (ir0_mem_operand): Likewise.
1674 (ir1_reg_operand): Likewise.
1675 (ir1_mem_operand): Likewise.
1676 (group1_reg_operand): Likewise.
1677 (group1_mem_operand): Likewise.
1678 (ir1_reg_operand): Likewise.
1679 (arx_reg_operand): Likewise.
1680 (not_rc_reg): Likewise.
1681 (not_modify_reg): Likewise.
1682 (c4x_group1_reg_operand): Remove prototype.
1683 (c4x_group1_mem_operand): Likewise.
1684 (c4x_arx_reg_operand): Likewise.
1686 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1688 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1689 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1691 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1693 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1696 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1698 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1699 unless FMOVD_WORKS is defined.
1701 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1703 * regclass.c (init_reg_sets): Move code that calculates tables
1704 dependent on reg_class_contents from here...
1705 (init_reg_sets_1): To here.
1707 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1709 * cpplib.h: Delete struct import_file. Add ihash element to
1710 struct cpp_buffer. Delete dont_repeat_files and
1711 import_hash_table elements from cpp_reader; change
1712 all_include_files to a hash table. Delete all foobar_include
1713 / last_foobar_include elements from struct cpp_options; put
1714 back four such: quote_include, bracket_include,
1715 system_include, after_include. Redo struct file_name_list
1716 completely. Add new structure type include_hash. Add
1717 prototypes for merge_include_chains and include_hash. Change
1718 prototypes for finclude, find_include_file, and
1719 append_include_chain to match changes below.
1721 * cppfiles.c (simplify_pathname, include_hash,
1722 remap_filename, merge_include_chains): New functions.
1723 (add_import, lookup_import, open_include_file): Removed.
1724 (INO_T_EQ): Define this (copied from cccp.c).
1725 (hack_vms_include_specification): Remove all calls and #if 0
1726 out the definition. It was being called incorrectly and at
1727 the wrong times. Until a VMSie can look at this, it's better
1728 to not pretend to support it.
1729 (append_include_chain): Change calling convention; now takes
1730 only one directory at a time, and sets up the data structure
1732 (redundant_include_p): Rewritten - this is now used for all
1733 include redundancy, whether by #ifndef, #import, or #pragma
1734 once. Looks up things in the include hash table.
1735 (file_cleanup): Decrement pfile->system_include_depth here if
1737 (find_include_file): Calling convention changed; now passes
1738 around a struct include_hash instead of 3 separate parameters.
1739 Guts ripped out and replaced with new include_hash mechanism.
1740 (finclude): Calling convention changed as for
1741 find_include_file. Error exits pulled out-of-line. Reformat.
1742 (safe_read): Return a long, not an int.
1743 (deps_output): Don't recurse.
1745 * cpplib.c (is_system_include): Deleted.
1746 (path_include): Fix up call to append_include_chain.
1747 (do_include): Fix up calls to find_include_file and finclude.
1748 Clean up dependency output a bit. Shorten obnoxiously lengthy
1749 #import warning message. Don't decrement
1750 pfile->system_include_depth here.
1751 (do_pragma): Understand the include_hash structure. Reformat.
1752 (do_endif): Correct handling of control macros. Understand
1754 (cpp_start_read): Fix up calls to finclude. Call
1755 merge_include_chains.
1756 (cpp_handle_option): Fix up calls to append_include_chain.
1757 Understand the four partial include chains.
1758 (cpp_finish): Add debugging code (#if 0-ed out) for the
1760 (cpp_cleanup): Free the include_hash, not the import hash and
1761 the all_include and dont_repeat lists which no longer exist.
1763 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1765 * toplev.c (no_new_pseudos): Define.
1766 (rest_of_compilation): Set no_new_pseudos as needed.
1767 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1768 if no_new_pseudos is set.
1769 * rtl.h (no_new_pseudos): Declare it.
1770 * reload1.c (reload): Update comments.
1771 * md.texi: Corresponding changes.
1773 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1775 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1776 (choose_reload_regs): Rename it here as well. When computing it,
1777 also merge in used hardregs.
1779 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1781 * gcc.c: Split out Objective-C specs to...
1782 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1785 * c-lex.c (init_parse): Always initialize the filename global.
1786 * objc/objc-act.c (lang_init): Always call check_newline at
1789 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1791 * reload1.c (reload): Remove unused variable.
1792 (reload_reg_free_for_value_p): Add missing parameter definition.
1794 * jump.c (jump_optimize): Remove unused variable.
1796 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1798 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1800 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1802 * expr.c (move_by_pieces): Similarly.
1803 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1804 * flow.c (find_auto_inc): Similarly.
1805 (try_pre_increment): Similarly.
1806 * loop.c (strength_reduce): Similarly.
1807 * regclass.c (auto_inc_dec_reg_p): Similarly.
1808 * regmove.c (try_auto_increment): Similarly.
1809 (fixup_match_1): Similarly.
1810 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1811 (HAVE_PRE_DECREMENT): Similarly.
1812 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1813 * Corresponding changes to all target header files.
1814 * tm.texi: Update docs for autoinc addressing modes.
1816 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1818 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1819 * configure: Rebuild.
1820 * config/elfos.h: New file.
1821 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1822 config/m68k/t-m68kelf: New file.
1824 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1826 * Makefile.in (HOST_AR): Define.
1827 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1828 (libcpp.a): Use the host tools explicitly.
1829 (STAGESTUFF): Add libcpp.a.
1831 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1833 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1834 to source and destination registers.
1836 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1838 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1839 The strategy we now use is to pre allocate the top_elt along
1840 with the EH context so that each thread has its own top_elt.
1841 This is necessary as the dynmanic cleanup chain is used on the
1842 top element of the stack and each thread MUST have its own.
1843 (eh_context_static): Likewise.
1844 (new_eh_context): Likewise.
1845 (__sjthrow): Likewise.
1847 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1849 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1850 * i386.md (prologue_get_pc): Remove unused variable.
1852 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1854 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1856 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1858 * Makefile.in (OBJS): Add graph.o
1859 (graph.o): New dependency list.
1860 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1861 * print-rtl.c (dump_for_graph): Define new variable.
1862 (print_rtx): Rewrite to allow use in graph dumping functions.
1863 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1864 finish_graph_dump_file.
1865 Define graph_dump_format.
1866 (compile_file): If graph dumping is enabled also clear these files.
1867 Finish graph dump files.
1868 (rest_of_compilation): Also dump graph information if enabled.
1869 (main): Recognize -dv to enabled VCG based graph dumping.
1870 * graph.c: New file. Graph dumping functions.
1872 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1874 * configure.in: Look for <sys/stat.h>.
1875 * system.h: Include it before substitute S_ISREG definitions.
1877 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1879 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1880 * config/mips/iris6.h: Same.
1881 * config/mips/mips.md: Same.
1882 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1883 * config/mips/mips.h: Same; also define ABI_O64.
1885 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1887 * configure.in: Use AC_PREREQ(2.12.1).
1889 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1891 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1892 * cpplib.c, gcc.c: Likewise.
1893 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1895 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1897 * local-alloc.c (local_alloc): Use malloc not alloca for
1898 reg_qty, reg_offset, ref_next_in_qty.
1900 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1902 * caller-save.c (insert_one_insn): Initialize the live_before and
1903 live_after register sets.
1907 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1908 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1909 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1910 (fp_reg_names, assembler_dialect): New variables.
1911 (print_operand_address): Handle SUBREGs.
1912 (print_operand): Added 'o' case.
1913 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1914 Name of FP registers depends on mode.
1915 (expand_block_move): Emit different code for SH4 hardware.
1916 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1917 (from_compare): Likewise.
1918 (add_constant): New argument last_value. Changed all callers.
1919 (find_barrier): Don't try HImode load for FPUL_REG.
1920 (machine_dependent_reorg): Likewise.
1921 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1922 (gen_far_branch): Emit a barrier after the new jump.
1923 (barrier_align): Don't trust instruction lengths before
1925 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1926 Use auto-inc addressing for fp registers if doubles need to
1927 be loaded in two steps.
1928 Set sh_flag_remove_dead_before_cse.
1929 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1930 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1931 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1932 Support for FIRST_XD_REG .. LAST_XD_REG.
1933 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1934 (sh_expand_epilogue): Likewise.
1935 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1936 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1937 (arith_reg_operand): FPUL_REG is OK for SH4.
1938 (fp_arith_reg_operand, fp_extended_operand) New functions.
1939 (tertiary_reload_operand, fpscr_operand): Likewise.
1940 (commutative_float_operator, noncommutative_float_operator): Likewise.
1941 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1942 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1943 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1944 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1945 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1946 (CONDITIONAL_REGISTER_USAGE): Likewise.
1947 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1948 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1949 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1950 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1951 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1952 to -1 and sh_flag_remove_dead_before_cse to 1.
1953 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1954 (assembler_dialect, fp_reg_names): Declare.
1955 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1956 Hide names of registers that are not accessible.
1957 (CACHE_LOG): Take TARGET_CACHE32 into account.
1958 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1959 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1960 (FIRST_PSEUDO_REGISTER: Now 49.
1961 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1962 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1963 (HARD_REGNO_MODE_OK): Update.
1964 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1965 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1966 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1967 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1968 (NPARM_REGS): Eight floating point parameter registers on SH4.
1969 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1970 in floating point registers.
1971 (GET_SH_ARG_CLASS) Likewise.
1972 Complex float types are also returned in float registers.
1973 (BASE_ARG_REG): Complex float types are also passes in float registers.
1974 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1975 (LIBCALL_VALUE): Remove trailing semicolon.
1976 (ROUND_REG): Round when double precision value is passed in floating
1978 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1979 passed on the stack.
1980 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1981 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1982 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1983 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1984 (MODE_DISP_OK_8): Not for SH4 DFmode.
1985 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1986 Allow indexed addressing for PSImode after reload.
1987 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1988 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1989 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1990 (DOUBLE_TYPE_SIZE): 64 for SH4.
1991 (RTX_COSTS): Add PLUS case.
1992 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1993 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1994 MAC_REGS, PR_REGS, DF_REGS.
1995 (REGISTER_NAMES): Use fp_reg_names.
1996 (enum processor_type): Add PROCESSOR_SH4.
1997 (sh_flag_remove_dead_before_cse): Declare.
1998 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1999 (PREDICATE_CODES): Add binary_float_operator,
2000 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2001 fpscr_operand, noncommutative_float_operator.
2002 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2003 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2004 * sh.md (attribute cpu): Add value sh4.
2005 (attrbutes fmovd, issues): Define.
2006 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2007 (function units memory, int, mpy, fp): Make dependent on issue rate.
2008 (function units issue, single_issue, load_si, load): Define.
2009 (function units load_store, fdiv, gp_fpul): Define.
2010 (attribute hit_stack): Provide proper default.
2011 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2012 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2013 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2014 (mulsi3_call): Now uses match_operand for function address.
2015 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2017 (push, pop, push_e, pop_e): Now define_expands.
2018 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2019 (movsi_ie): Added y/i alternative.
2020 (ic_invalidate_line_i, movdf_i4): New insns.
2021 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2022 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2023 (movdf): Add special code for SH4.
2024 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2025 (call_valuei, calli, call_value): Likewise.
2026 (movsf): Emit no-op move.
2027 (mov_nop, movsi_y): New insns.
2028 (blt, sge): generalize to handle DFmode.
2029 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2030 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2031 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2032 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2033 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2034 (toggle_sz): New insn.
2035 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2036 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2037 (macsf3): Make use of fpscr visible. Disable for SH4.
2038 (floatsisf2): Make use of fpscr visible.
2039 (floatsisf2_i4): New insn.
2040 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2041 (ieee_ccmpeqsf_t): Likewise.
2042 (fix_truncsfsi2): Emit different code for SH4.
2043 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2044 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2045 (negsf2, sqrtsf2, abssf2): Now expanders.
2046 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2047 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2048 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2049 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2050 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2051 (fix_truncdfsi2_i4_2+1): New splitters.
2052 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2053 (extendsfdf2, truncdfsf2): New expanders.
2054 (truncdfsf2_i4): New insn.
2055 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2056 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2057 * float-sh.h: When testing for __SH3E__, also test for
2058 __SH4_SINGLE_ONLY__ .
2059 * va-sh.h (__va_freg): Define to float.
2060 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2061 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2062 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2063 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2065 (TARGET_SH4_P): Define.
2068 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2069 init_expr_once is satisfied about the existence of load / store insns.
2071 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2072 change m constraint in source operand to mr / mf .
2074 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2076 * (__VA_REEF): Define.
2077 (__va_arg_sh1): Use it.
2079 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2081 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2083 * i386/dgux.c (struct option): Add new "description field".
2084 * m88k/m88k.c (struct option): Likewise.
2086 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2088 * version.c: Bump for snapshot.
2090 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2092 * regmove.c (regmove_profitable_p): Use return value of find_matches
2095 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2097 * version.c: Bump for snapshot.
2099 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2101 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2102 without reload having been called earlier.
2104 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2106 (v850_reorg): Similarly.
2108 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2110 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2112 * loop.c (move_movables): Start of libcall might be new loop start.
2114 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2116 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2118 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2120 * function.c (nonlocal_goto_handler_slots): Renamed from
2121 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2122 (push_function_context_to): Adjust for this change.
2123 (pop_function_context_from): Likewise.
2124 (init_function_start): Likewise.
2125 (expand_function_end): Likewise.
2126 * function.h (struct function): Likewise.
2127 * calls.c (expand_call): Likewise.
2128 * explow.c (allocate_dynamic_stack_space): Likewise.
2129 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2130 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2132 (expand_goto): When doing a nonlocal goto, find corresponding handler
2133 slot for it. Don't put the label address in the static chain register.
2134 (expand_end_bindings): Break out nonlocal goto handling code into
2135 three new functions.
2136 (expand_nl_handler_label, expand_nl_goto_receiver,
2137 expand_nl_goto_receivers): New static functions, broken out of
2138 expand_end_bindings and adapted to create one handler per nonlocal
2140 * function.c (delete_handlers): Delete insn if it references any of
2141 the nonlocal goto handler slots.
2142 * i960.md (nonlocal_goto): Comment out code that modifies
2144 * sparc.md (nonlocal_goto): Likewise.
2145 (goto_handler_and_restore_v9): Comment out.
2146 (goto_handler_and_restore_v9_sp64): Comment out.
2148 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2150 * expr.c (STACK_BYTES): Delete unused macro.
2151 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2152 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2153 (expand_call): Likewise.
2154 (emit_library_call): Likewise.
2155 (emit_library_call_value): Likewise.
2156 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2157 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2158 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2159 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2160 (allocate_dynamic_stack_space): Likewise.
2161 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2162 (STACK_BOUNDARY): Update description to reflect the new situation.
2164 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2166 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2167 return with a filled delay slot is followed by a return with an
2168 unfilled delay slot, delete the first return and reemit the insn
2169 that was previously in its delay slot.
2171 * i860.c (single_insn_src_p): Add missing parens.
2172 * ginclude/math-3300.h: Likewise.
2174 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2176 * regclass.c (init_reg_sets_1): Add prototype.
2177 (init_reg_modes): Likewise.
2179 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2181 * c-common.c: Change warning messages to say `comparison is
2182 always true' or `comparison is always false' instead of the
2183 confusing `is always 0', `is always 1'.
2185 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2187 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2188 break instead of return (which loses closing '>').
2190 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2192 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2193 standard 387 constants.
2195 * i386.md (jump): Explicitly set "memory" attribute.
2196 (indirect_jump, prologue_set_stack_ptr): Likewise.
2197 (prologue_get_pc_and_set_got, pop): Likewise.
2198 (allocate_stack_worder, blockage, return_internal): Likewise.
2199 (return_pop_internal, nop): Likewise.
2200 (epilogue_set_stack_ptr, leave): Likewise.
2202 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2204 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2206 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2208 * reload1.c (reload_reg_free_for_value_p):
2209 Early auto_inc reloads don't conflict with outputs.
2211 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2213 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2214 Instead call AC_HEADER_SYS_WAIT.
2216 * collect2.c: Don't provide defaults for sys/wait.h macros.
2218 * protoize.c: Likewise. Also, don't include sys/wait.h.
2220 * system.h: Include sys/wait.h and provide macro defaults.
2222 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2224 * Makefile.in (mandir): Set to @mandir@.
2225 (man1dir): New variable to hold the former value of $(mandir).
2226 Replace all uses of $(mandir) by $(man1dir).
2228 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2230 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2231 a new one before passing it to force_const_mem.
2233 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2234 find_reloads_address call.
2236 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2238 * expr.c (store_expr): Don't generate load-store pair
2239 if TEMP is identical (according to ==) with TARGET.
2241 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2243 * reload1.c (reload_reg_free_for_value_p): When considered reload
2244 has an output, matching inputs are not sufficient to avoid conflict.
2246 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2248 * hash.h (hash_table_key): New type.
2249 (hash_entry): Change `string' field to generic `key'.
2250 (hash_table): Add `comp' and `hash' functions.
2251 (hash_table_init): Take them as input.
2252 (hash_table_init_n): Likewise.
2253 (hash_lookup): Modify for generic keys.
2254 (hash_newfunc): Likewise.
2255 (hash_traverse): Likewise.
2256 (string_hash): New function.
2257 (string_compare): Likewise.
2258 (string_copy): Likewise.
2259 * hash.c (hash_table_init_n): Modify for generic keys.
2260 (hash_table_init): Likewise.
2261 (hash_lookup): Likewise.
2262 (hash_newfunc): Likewise.
2263 (hash_traverse): Likewise.
2264 (string_hash): Split out from hash_lookup.
2265 (string_compare): New function.
2266 (string_copy): Split out from hash_lookup.
2267 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2269 (symbol_hash_lookup): Likewise.
2270 (file_hash_newfunc): Likewise.
2271 (file_hash_lookup): Likewise.
2272 (demangled_hash_newfunc): Likewise.
2273 (demangled_hash_lookup): Likewise.
2274 (tlink_int): Likewise.
2275 (read_repo_file): Likewise.
2276 (recompile_files): Likewise.
2277 (demangle_new_symbols): Likewise.
2278 (scan_linker_output): Likewise.
2280 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2282 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2284 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2286 * rs6000.c (output_mi_thunk): Improve test for local branch.
2288 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2290 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2292 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2294 * reload1.c (reload_reg_free_before_p): Delete.
2295 Changed all callers to use reload_reg_free_for_value_p instead.
2296 (reload_reg_free_for_value_p): Handle more reload types.
2297 A RELOAD_FOR_INPUT doesn't conflict with its
2298 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2299 Add special case for OUT == const0_rtx.
2300 Added ignore_address_reloads argument. Changed all callers.
2302 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2304 * toplev.c (compile_file): Don't pedwarn about undefined static
2305 functions just because we passed -Wunused.
2307 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2309 * function.c (purge_addressof_1): Unshare rtl created by
2312 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2314 * regmove.c (regmove_optimize): Don't do anything but
2315 optimize_reg_copy[123] when flag_regmove is not set.
2317 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2319 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2320 value in paradoxical SImode result, rather than truncating midpoint.
2322 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2324 * alpha.c (reg_not_elim_operand): New.
2325 * alpha.h (PREDICATE_CODES): Add it.
2326 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2327 for the multiplicand.
2329 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2331 * rs6000.md (movsf): Remove explicit secondary-reload-like
2332 functionality. Only truncate SFmode store if in FPR.
2333 (movsf splitters): Combine const_double splitters.
2334 (movsf_hardfloat): Add GPR support.
2336 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2338 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2339 deprecate -mlive-g0 and -mbroken-saverestore.
2340 * t-splet (MULTILIB_OPTIONS): Likewise.
2342 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2343 in a leaf function. Clarify total_size/extra_size relationship.
2345 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2347 * i386/cygwin32.asm: Delete.
2348 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2349 * i386/cygwin32.h: Delete.
2350 * i386/cygwin.h: New file, renamed from cygwin32.h.
2351 * i386/t-cygwin32: Delete.
2352 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2353 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2354 * i386/x-cygwin32: Delete.
2355 * i386/x-cygwin: New file, renamed from x-cygwin32.
2356 * i386/xm-cygwin32: Delete.
2357 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2358 renamed cygwin_ funcs for path translations.
2359 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2360 * i386/winnt.c: Remove "32" from comment about cygwin.
2361 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2362 * rs6000/cygwin32.h: Delete.
2363 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2364 -D__CYGWIN__ to CPP_PREDEFINES.
2365 * rs6000/x-cygwin32: Delete.
2366 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2367 * rs6000/xm-cygwin32: Delete.
2368 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2370 * configure.in: Check for cygwin* instead of cygwin32. Account
2371 for the rename of cygwin-related config files to lose the "32"s.
2372 * configure: Regenerate.
2374 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2375 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2377 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2379 * Makefile.in (JAVAGC): New macro.
2380 * configure: Rebuilt.
2381 * configure.in: Recognize --enable-java-gc argument. Subst
2384 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2386 Handle equivalences that have been obscured by gcse:
2388 * reload1.c (reload): Handle equivalences set up in multiple places.
2389 * local-alloc.c (reg_equiv_init_insns): New variable.
2390 (no_equiv): New function.
2391 (update_equiv_regs): Handle equivalences set up in multiple places.
2392 Don't ignore an insn just because its destination is likely to be
2395 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2397 * except.c (expand_eh_return): Readd force_operand call lost in
2400 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2402 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2404 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2406 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2408 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2410 * regmove.c (regmove_optimize): Fix error in last change.
2412 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2414 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2415 offset in the .mask pseudo to compensate for frame pointer adjustments.
2416 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2417 word swap arguments moved to/from FP registers.
2418 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2420 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2422 * version.c: Bump for snapshot.
2424 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2426 * version.c: Bump for snapshot.
2428 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2430 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2431 times, then it can not be completely replaced.
2433 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2435 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2437 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2439 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2440 (to distinguish it from the macro wrapping ansidecl.h.)
2441 Include libiberty's ansidecl.h. Remove all redundant definitions.
2442 Define the PROTO() style macros in terms of the PARAMS() ones.
2445 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2446 __STDC__, when deciding whether to use ANSI variable args.
2447 (emit_library_call_value): Likewise.
2449 * cccp.c (error): Likewise.
2450 (warning): Likewise.
2451 (error_with_line): Likewise.
2452 (warning_with_line): Likewise.
2453 (pedwarn): Likewise.
2454 (pedwarn_with_line): Likewise.
2455 (pedwarn_with_file_and_line): Likewise.
2458 * cexp.y (error): Likewise.
2459 (pedwarn): Likewise.
2460 (warning): Likewise.
2462 * collect2.c (fatal_perror): Likewise.
2466 * combine.c (gen_rtx_combine): Likewise.
2468 * cpperror.c (cpp_message): Likewise.
2469 (cpp_fatal): Likewise.
2471 * cpplib.c (cpp_error): Likewise.
2472 (cpp_warning): Likewise.
2473 (cpp_pedwarn): Likewise.
2474 (cpp_error_with_line): Likewise.
2475 (cpp_warning_with_line): Likewise.
2476 (cpp_pedwarn_with_line): Likewise.
2477 (cpp_pedwarn_with_file_and_line): Likewise.
2479 * cpplib.h: Don't define PARAMS() macro.
2481 * demangle.h: Likewise.
2483 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2484 when deciding whether to use ANSI variable args.
2486 * emit-rtl.c (gen_rtx): Likewise.
2487 (gen_rtvec): Likewise.
2489 * final.c (asm_fprintf): Likewise.
2491 * fix-header.c (cpp_message): Likewise.
2493 (cpp_fatal): Likewise.
2495 * gcc.c (concat): Likewise.
2499 * genattr.c (fatal): Likewise.
2501 * genattrtab.c (attr_rtx): Likewise.
2502 (attr_printf): Likewise.
2505 * gencodes.c (fatal): Likewise.
2507 * genconfig.c (fatal): Likewise.
2509 * genemit.c (fatal): Likewise.
2511 * genextract.c (fatal): Likewise.
2513 * genflags.c (fatal): Likewise.
2515 * genopinit.c (fatal): Likewise.
2517 * genoutput.c (fatal): Likewise.
2520 * genpeep.c (fatal): Likewise.
2522 * genrecog.c (fatal): Likewise.
2524 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2525 deciding whether to declare `tree_node' and `rtx_def'.
2527 * hash.h: Don't define stuff we get from gansidecl.h.
2529 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2530 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2531 whether to use ANSI variable args.
2534 * prefix.c (concat): Likewise.
2538 * system.h: Likewise.
2540 * toplev.c (error_with_file_and_line): Likewise.
2541 (error_with_decl): Likewise.
2542 (error_for_asm): Likewise.
2545 (warning_with_file_and_line): Likewise.
2546 (warning_with_decl): Likewise.
2547 (warning_for_asm): Likewise.
2548 (warning): Likewise.
2549 (pedwarn): Likewise.
2550 (pedwarn_with_decl): Likewise.
2551 (pedwarn_with_file_and_line): Likewise.
2553 (really_sorry): Likewise.
2555 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2556 whether to declare `tree_node' and `rtx_def'.
2558 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2559 deciding whether to use ANSI variable args.
2560 (build_nt): Likewise.
2561 (build_parse_node): Likewise.
2563 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2565 * version.c: Bump for snapshot.
2567 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2569 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2571 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2573 * collect2.c (main, case 'b'): Use else if.
2575 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2577 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2578 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2579 before the config/ directory headers.
2580 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2581 gansidecl.h in the list of dependencies.
2583 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2584 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2585 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2586 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2587 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2588 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2591 * cccp.c: Don't include gansidecl.h.
2593 * collect2.c: Likewise.
2594 * config/c4x/c4x.c: Likewise.
2595 * config/v850/v850.h: Likewise.
2596 * cppalloc.c: Likewise.
2597 * cpperror.c: Likewise.
2598 * cppexp.c: Likewise.
2599 * cppfiles.c: Likewise.
2600 * cpphash.c: Likewise.
2601 * cpplib.c: Likewise.
2602 * cppmain.c: Likewise.
2603 * cppulp.c: Likewise.
2604 * demangle.h: Likewise.
2605 * doprint.c: Likewise.
2606 * dyn-string.c: Likewise.
2607 * eh-common.h: Likewise.
2608 * fix-header.c: Likewise.
2609 * frame.c: Likewise.
2612 * gen-protos.c: Likewise.
2613 * gencheck.c: Likewise.
2614 * halfpic.h: Likewise.
2616 * machmode.h: Likewise.
2617 * mbchar.c: Likewise.
2618 * prefix.c: Likewise.
2619 * protoize.c: Likewise.
2620 * recog.h: Likewise.
2622 * scan-decls.c: Likewise.
2624 * varray.h: Likewise.
2626 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2628 * i386.md (call_value_pop): If we're not popping anything,
2629 defer to call_value.
2630 (call_pop): Likewise defer to call.
2632 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2634 * function.c (purge_addressof): Clear purge_addressof_replacements
2635 only after processing the whole function.
2637 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2639 * reload1.c (reload): If we can not perform a particular elimination
2640 when we thought we could earlier, then we must always iterate through
2641 the loop at least one more time.
2643 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2645 * alpha.c (add_operand): Simplify the CONST_INT match.
2646 (sext_add_operand): Correct typo in comparison by using
2647 CONST_OK_FOR_LETTER_P.
2648 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2649 constant alternatives to be generated.
2650 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2651 small constants, since the hw instructions do.
2653 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2655 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2656 previous insn to store directly into our reload register, make sure
2657 that if the source of the previous insn is a reload register, its
2658 spill_reg_store and spill_reg_stored_to values are cleared.
2660 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2662 * rs6000.md (floatunssidf2_internal splitter): Use base register
2663 operand, not hard-coded SP.
2665 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2667 * jump.c (calculate_can_reach_end): Fix thinko.
2669 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2671 * reorg.c (fill_simple_delay_slots): Fix typo.
2673 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2675 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2677 * i386.md (extendsidi2): Use # in the output template.
2678 (extendsidi splitters): New splitters.
2680 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2682 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2684 * configure: Regenerate.
2686 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2688 * jump.c (init_label_info, delete_barrier_successors,
2689 mark_all_labels, delete_unreferenced_labels,
2690 delete_noop_moves, calculate_can_reach_end): New functions broken
2691 out of jump_optimize.
2692 (jump_optimize): Use them.
2694 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2696 * except.c (expand_fixup_region_end): Make sure outer context labels
2697 are not issued in an inner context during cleanups.
2699 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2701 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2704 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2706 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2707 to expose this midpoint to CSE.
2709 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2711 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2713 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2715 * configure.in: Bring over gcc2 change of Nov 19 1997.
2717 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2719 * toplev.c (output_lang_identify): Make definition dependent on
2720 ASM_IDENTIFY_LANGUAGE.
2722 * print-rtl.c (spaces): Make static.
2724 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2726 * extend.texi: Clarify proper uses for register clobbers in asms.
2728 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2730 * recog.h (enum op_type): Define.
2731 (constrain_operands): Adjust prototype.
2732 (recog_op_type): Declare new variable.
2733 * recog.c (recog_op_type): New variable.
2734 (insn_invalid_p): Allow modifying an asm statement after reload.
2735 (extract_insn): Set up recog_op_type.
2736 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2737 Don't compute operand types, use recog_op_type.
2738 Use the information computed by extract_insn instead of the previous
2739 method of finding it by insn code number.
2740 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2741 * reorg.c (fill_slots_from_thread): Likewise.
2742 * reload1.c (reload_as_needed): Likewise.
2743 (gen_reload): Likewise.
2744 (inc_for_reload): Likewise.
2745 (reload_cse_simplify_operands): Likewise.
2746 Use the information computed by extract_insn instead of the previous
2747 method of finding it by insn code number.
2748 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2750 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2751 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2752 Use the information computed by extract_insn instead of the previous
2753 method of finding it by insn code number.
2754 * regmove.c (find_matches): Likewise. Change meaning of the return
2755 value to be nonzero if the optimization can be performed, zero if
2756 not. All callers changed.
2757 Shorten some variable names to fix formatting problems.
2758 (regmove_optimize): Shorten some variable names to fix formatting
2760 Use the information computed by extract_insn instead of the previous
2761 method of finding it by insn code number.
2762 * regclass.c (scan_one_insn): Likewise.
2763 (record_reg_classes): Don't compute operand types, use recog_op_type.
2764 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2765 recog_constraints instead.
2767 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2769 * rtl.h (flow2_completed): Declare.
2770 * flow.c (flow2_completed): Definition.
2771 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2774 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2776 * Makefile.in (libcpp.a): Ranlib libcpp.a
2778 * cppulp.c (user_label_prefix): Initialize.
2780 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2782 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2783 at a RETURN if current_function_sp_is_unchanging is set.
2785 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2787 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2789 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2791 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2792 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2793 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2794 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2795 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2796 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2798 (LIB_SPEC): Handle -mno-cyginw option.
2799 (LINK_SPEC): Handle -mdll.
2801 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2803 * reload.c (find_reloads): Fix test for usage by other reload
2804 to handle secondary reloads properly.
2806 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2808 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2809 intermediate structure which has exactly the members provided by
2810 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2811 static intermediate structure.
2813 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2814 from the intermediate structure. Do the same analogous fix in
2815 the case where ELIMINABLE_REGS is not defined.
2817 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2819 * pa.h (SELECT_SECTION): Fix thinko.
2821 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2823 * dwarf2out.c (output_call_frame_info): Comments on last change.
2825 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2827 * arm.c (add_constant): When taking the address of an item in the
2828 pool, get the mode of the item addressed.
2830 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2831 contain a SET or a PARALLEL, don't consider it for conditional
2834 Restore ABI compatibility for NetBSD.
2835 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2837 (RETURN_IN_MEMORY): Likewise.
2839 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2841 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2842 (m32r_output_block_move): Rewrite bytes < 4 handling.
2844 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2846 * configure.in: Call AC_FUNC_VFORK.
2848 * collect2.c: Define VFORK_STRING as a printable string for
2849 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2850 defined, include vfork.h. If VMS is defined, define vfork()
2851 appropriately. Remove vfork check on USG, we're using autoconf.
2852 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2853 checking locally what string to pass.
2854 (scan_prog_file): Likewise.
2855 (scan_libraries): Likewise.
2857 * gcc.c: Remove vfork check on USG, we're using autoconf.
2858 Besides, no calls to vfork/fork occur in this file.
2860 * protoize.c: Likewise.
2862 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2864 * configure.in (DEFAULT_LINKER): renamed from LD
2865 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2866 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2867 * configure: rebuilt
2869 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2871 * BUGS: fix the regexp for `more' to find the appropriate node.
2872 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2874 * BUGS: added link to the WWW FAQ
2876 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2878 * version.c: Bump for snapshot.
2880 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2882 * From Christian Gafton:
2883 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2884 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2885 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2887 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2889 * c-common.c (c_get_alias_set): Allow all type-punning through
2890 unions. Don't get confused about the type of a bit-field, despite
2891 the antics of build_modify_expr.
2893 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2895 * fixinc.sco: Paramaterize #include_next values.
2896 * fixinc/fixinc.sco: Likewise.
2898 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2900 * toplev.c (rest_of_compilation): No longer set reload_completed.
2901 * reload1.c (reload): Set it here. Perform instruction splitting
2902 after reload has completed if we will be running the scheduler
2905 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2907 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2908 EH region if exceptions are enabled and we're performing cross
2910 (find_cross_jump): Exit loop if the insns are in different EH regions.
2912 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2914 * dwarf2out.c (output_call_frame_info): Use
2915 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2917 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2919 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2920 * c-common.c (check_format_info): Don't check for the 'x'
2921 format character twice, instead check for 'x' and 'X'
2923 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2925 * configure.in (assembler features): Also make gas is configured if
2926 we find it in the souce tree.
2928 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2930 * i386.c (i386_comp_type_attributes): Compare whether the
2931 attributes are defined, not their tree nodes.
2933 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2935 * configure.in (gxx_include_dir): bitten by autoconf quoting
2937 * configure: rebuilt
2939 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2941 * configure.in: Ignore non-absolute value in $AS.
2943 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2945 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2947 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2949 * configure.in (msdosdjgpp): Set exeext and target_alias.
2951 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2953 * flow.c (XNMALLOC): New macro.
2954 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2956 (add_edge, add_edge_to_label): New static functions.
2957 (free_bb_memory): New function.
2958 (flow_delete_insn): Delete function.
2959 (basic_block_drops_in): Delete variable.
2960 (find_basic_blocks): Allocate and initialize basic_block_head,
2961 basic_block_succ. Don't allocate basic_block_drops_in.
2962 Call free_bb_memory at the beginning.
2963 (find_basic_blocks_1): Don't do multiple passes.
2964 Delete code to compute basic_block_drops_in.
2965 After calling make_edges, mark blocks reached by current block live.
2966 Update test for unreachable live blocks.
2967 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2969 Simplify to call add_edge_to_label when a LABEL_REF is found.
2970 (make_edges): Simplify to call add_edge_to_label instead of
2971 mark_label_ref most of the time.
2972 Compute here whether control drops into the next block.
2973 (delete_unreachable_blocks): Return void. All callers changed.
2974 Delete unreachable blocks in reverse order.
2975 After deleting all unreachable blocks, renumber the remaining ones
2976 and update n_basic_blocks.
2977 (delete_block): Speed up deletion a bit.
2978 Don't set basic_block_drops_in for deleted blocks.
2979 (free_basic_block_vars): Don't free basic_block_drops_in.
2980 (life_analysis_1): Update to use new edge representation.
2981 (dump_flow_info): Delete code to print basic block info; call
2982 dump_bb_data instead.
2983 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2984 and uid_block_number.
2985 Simply copy the previously computed cfg.
2986 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2987 Print register lifetime information if LIVE_INFO is nonzero.
2988 * basic-block.h (dump_bb_data): Adjust prototype.
2989 * gcse.c (gcse_main): Update call to dump_bb_data.
2990 * rtl.h (free_bb_memory): Declare.
2991 * toplev.c (rest_of_compilation): Call free_bb_memory.
2993 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2994 (update_eliminable_offsets): Don't compute it.
2995 (set_initial_elim_offsets): Don't initialize it.
2996 Break out some code into set_initial_label_offsets so the rest of
2997 this function can be called from reload_as_needed.
2998 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2999 ELIMINABLE_REGS isn't.
3000 (set_initial_label_offsets): New function, broken out of
3001 set_initial_elim_offsets.
3002 (set_offsets_for_label): New function, broken out of set_label_offsets
3003 and reload_as_needed.
3004 (reload): Call the two new functions.
3005 (reload_as_needed): Call set_initial_elim_offsets instead of
3006 duplicating the code. Likewise for set_offsets_for_label.
3008 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3009 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3010 any hard reg, reg_reloaded_dead contains valid data.
3012 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3014 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3015 "stdcall" and "cdecl" attributes.
3017 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3019 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3020 handle deleted no-op moves of hard registers.
3021 * haifa-sched.c (update_flow_info): Likewise.
3023 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3025 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3026 of the sequences to reload the HILO register which do not actually
3029 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3031 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3033 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3035 * except.c (emit_eh_context): Make the EH context register stay alive
3036 at -O0 so stupid.c doesn't get confused.
3038 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3040 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3042 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3043 Jeffrey A Law (law@cygnus.com)
3045 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3046 (zero_extendsidi2): Use # in output template and handle completely by
3048 (zero_extend splitters): New define_splits.
3049 (ashiftrt_32): New pattern.
3051 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3053 * tree.c (append_random_chars): New fn.
3054 (get_file_function_name_long): Use it.
3056 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3058 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3059 (LIBCPP_OBJS): New. Add cppulp.o.
3060 (cppmain, fix-header): Depend on and use libcpp.a.
3061 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3062 of the individual object files.
3063 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3066 * cccp.c (user_label_prefix): New.
3067 (main): Set it off -f*leading-underscore.
3068 (special_symbol): Use it.
3069 * cpplib.c (special_symbol): Likewise.
3070 (cpp_handle_option): Handle -f*leading-underscore.
3071 * cppulp.c: New file.
3073 * output.h (user_label_prefix): Declare it.
3074 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3075 * toplev.c (f_options, main): Handle -f*leading-underscore.
3077 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3078 referencing USER_LABEL_PREFIX directly.
3079 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3080 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3081 * final.c (asm_fprintf): Use user_label_prefix instead.
3082 * arm/thumb.c (thumb_print_operand): Likewise.
3084 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3085 cpp wherever appropriate.
3087 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3089 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3090 specific compiler switches.
3092 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3094 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3097 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3099 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3100 structure which has exactly the members provided by EXTRA_SPECS.
3101 Xmalloc() the real `extra_specs', and initialize it from this
3102 intermediate structure.
3104 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3106 * mips.h (EXTRA_SPECS): Likewise.
3108 * sparc.h (EXTRA_SPECS): Likewise.
3110 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3112 * function.c (purge_addressof_1): Instead of aborting when a
3113 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3114 work just put the ADDRESSOF on stack. Otherwise remember all such
3115 successfull replacements, so that exactly the same replacements
3116 can be made on the REG_NOTEs. Remove the special case for CALL
3118 (purge_addressof_replacements): New variable.
3119 (purge_addressof): Clear it at end.
3121 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3123 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3124 (lang_init): Call check_newline always.
3125 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3126 cpp_start_read, set yy_cur and yy_lim to read from
3127 parse_in.token_buffer, so that we'll see the first #line
3129 * cpplib.c (cpp_start_read): finclude the main input file
3130 before processing -include/-imacros. Process -imacros and
3131 -include separately, and handle -include by stacking a
3132 buffer for the file in question as if it'd been #included.
3133 * toplev.c (documented_lang_options) Recognize -H when
3136 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3138 * cpplib.c: Merge do_once into do_pragma. Break file handling
3139 code out of do_include.
3140 Move append_include_chain, deps_output,
3141 file_cleanup, redundant_include_p, import_hash,
3142 lookup_import, add_import, read_filename_string, read_name_map,
3143 open_include_file, finclude, safe_read to cppfiles.c.
3144 Move prototypes for deps_output, append_include_chain,
3145 finclude to cpplib.h. Move definition of struct
3146 file_name_list there also.
3148 * cppfiles.c: New file. Contains all the above functions
3149 broken out of cpplib.c; also hack_vms_include_specification
3150 from cccp.c and find_include_file, a new function broken out of
3153 * Makefile.in (cppmain): Depend on cppfiles.o.
3154 (fix-header): Likewise.
3155 (cppfiles.o): New target.
3156 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3157 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3159 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3161 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3162 if pending_types is non-zero.
3163 (dwarfout_finish): Verify pending_types is zero before finishing.
3165 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3167 * expr.c (convert_move): Use shifts to perform the move if a
3168 suitable extend pattern cannot be found. Code written by
3169 Richard Henderson <rth@cygnus.com>.
3171 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3173 * regclass.c (renumber, regno_allocated): New static variables, moved
3174 out of allocate_reg_info.
3175 (allocate_reg_info): Move these two variables outside the function.
3176 Move code to free memory into new function free_reg_info.
3177 (free_reg_info): New function, broken out of allocate_reg_info.
3178 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3179 * rtl.h (allocate_reg_info): Don't declare.
3180 (free_reg_info): Declare.
3182 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3184 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3186 * toplev.c (compile_file): Temporarily revert last change.
3188 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3190 * c-typeck.c (convert_for_assignment): Parenthesize.
3192 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3194 * reload1.c (delete_output_reload): Avoid ambigous else.
3196 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3198 * toplev.c (compile_file): Call allocate_reg_info to free register
3200 * rtl.h (allocate_reg_info): Declare.
3202 * PROJECTS: Remove entry for local spilling.
3204 * final.c (cleanup_subreg_operands): New function.
3205 (final_scan_insn): Use it.
3206 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3208 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3209 operands when reload has finished.
3210 * reload.h (cleanup_subreg_operands): Declare..
3211 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3212 reload. Handled in reload itself.
3214 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3216 * reload1.c (verify_initial_offsets): New function.
3217 (reload): Call it after reload_as_needed. Also verify that the frame
3218 size stays constant during reload_as_needed.
3219 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3221 * reload.h (struct insn_chain): Add need_operand_change element.
3222 * reload1.c (new_insn_chain): Clear it.
3223 (calculate_needs_all_insns): Set it; don't overload need_reload.
3224 (reload_as_needed): Use it.
3226 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3227 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3228 and reload_address_index_reg_class.
3229 (find_reloads_address_1): Likewise.
3230 * reload.h (reload_address_base_reg_class,
3231 reload_address_index_reg_class): Don't declare.
3232 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3233 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3234 (used_spill_regs): Now static.
3235 (reload_address_base_reg_class, reload_address_index_reg_class,
3236 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3237 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3238 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3241 (init_reload): Delete code to compute base/index reg classes.
3242 (reload): Delete variable J.
3243 Delete code to manage basic_block_needs.
3244 Don't compute regs_explicitly_used.
3245 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3246 pseudo_previous_regs.
3247 Initialize bad_spill_regs_global.
3248 Don't call order_regs_for_reload here.
3249 Don't initialize spill_reg_order and n_spills.
3250 Don't forbid explicitly used regs to be used for spill regs.
3251 Change main loop to infinite loop, with explicit break statements.
3252 Make SOMETHING_CHANGED variable local to that loop.
3253 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3254 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3255 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3257 Don't call dump_needs.
3258 Delete code to reset potential_reload_regs.
3259 Delete code to terminate loop conditional on the global needs variables
3260 showing no further needs.
3261 (calculate_needs_all_insns): Return void. All callers changed.
3262 Initialize somehing_needs_elimination here, not in reload.
3263 Delete avoid_return_reg kludge.
3264 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3265 All callers changed.
3266 Initialize the group_mode and group_size elements of the arg CHAIN.
3267 Delete code to manage basic_block_needs.
3268 Operate on elements of CHAIN instead of global variables.
3269 Delete avoid_return_reg kludge.
3270 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3271 All callers changed.
3272 Operate on elements of CHAIN instead of global variables.
3273 Delete special SMALL_REGISTER_CLASSES code.
3274 Delete spill_failure code; now in new_spill_reg.
3275 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3276 All callers changed.
3277 Operate on elements of CHAIN instead of global variables.
3278 (maybe_mark_pseudo_spilled): New static function.
3279 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3280 All callers changed.
3281 Operate on elements of CHAIN instead of global variables.
3282 Call order_regs_for_reload here, not in reload.
3283 Initialize spill_reg_order and n_spills.
3284 Simplify test whether an asm insn is involved.
3285 Delete spill_failure code; now in new_spill_reg.
3286 Call maybe_mark_pseudo_spilled for everything marked as live in
3287 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3289 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3290 compiler from optimizing this function (now unused) away.
3291 Operate on elements of CHAIN instead of global variables.
3292 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3294 Operate on elements of CHAIN instead of global variables.
3295 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3296 take CHAIN arg. All callers changed.
3297 Operate on elements of CHAIN instead of global variables.
3298 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3299 CHAIN, NONGROUP args. Return void. All callers changed.
3300 Verify caller isn't trying to spill a pseudo.
3301 Simplify test for illegal reg, just use bad_spill_regs.
3302 Generate better error messages.
3303 Operate on elements of CHAIN instead of global variables.
3304 Mark spilled register in CHAIN's used_spill_regs element.
3305 Don't call spill_hard_reg.
3306 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3307 Mark spilled hard regs in bad_spill_regs_global.
3308 Mark affected pseudos in spilled_pseudos, but don't spill them.
3309 (ior_hard_reg_set): New static function.
3310 (finish_spills): Return int. All callers changed.
3311 Compute spill_reg_order, n_spills and spill_regs here. Also update
3312 regs_ever_live for regs used as spills.
3313 For every pseudo in spilled_pseudos, spill it and mark the previous
3314 hard reg it had in pseudo_previous_regs. Compute which hard regs
3315 arseudo): New static function.
3316 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3317 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3318 hard registers explicitly used across the current insn into the set.
3319 Compute hard_reg_n_uses taking only pseudos live across this insn
3321 Tweak sorting of potential_reload_regs.
3322 (compare_spill_regs): Delete function.
3323 (reload_as_needed): Don't sort the spill_regs array, it's computed
3324 in proper order in finish_spills.
3325 Delete avoid_return_reg kludge.
3326 Delete code to manage basic_block_needs.
3327 (allocate_reload_reg): Minor speed/readability tweaks.
3328 Operate on elements of CHAIN instead of global variables.
3329 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3330 Delete avoid_return_reg kludge.
3331 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3332 Delete unused label FAIL.
3333 (reload_combine): Replce reload_address_index_reg_class with
3335 Don't use used_spill_regs to determine information about lifetime of
3338 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3340 * toplev.c (display_help): Ignore empty target specific
3341 options, and if -W is also specified on the command line then
3342 display undocumented options.
3344 * config/arm/arm.c: Updated with changes in devo sources.
3345 * config/arm/arm.h: Updated with changes in devo sources.
3346 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3347 * config/arm/lib1thumb.asm: Add ELF support.
3349 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3351 * collect2.c (aix64_flag): New variable.
3352 (main, case 'b'): Parse it.
3353 (GCC_CHECK_HDR): object magic number must match mode.
3354 (scan_prog_file): Only check for shared object if valid header.
3355 Print debugging if header/mode mismatch.
3357 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3359 Added support for arm-elf-linux configuration, submitted by Philip
3360 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3361 code developed by Catherine Moore <clm@cygnus.com>. The following
3364 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3367 * configure: Regenerated.
3369 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3370 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3371 definitions conditional on their not having been already defined.
3373 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3374 and .type directives, and add "(PLT)" qualification to function
3377 * config/arm/linux.h: Deleted. This file is now superceeded by
3378 either linux-elf.h or linux-aout.h.
3380 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3381 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3383 Move definitions from old linux.h file here.
3385 * config/arm/elf.h: New file. Generic ARM/ELF support.
3387 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3389 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3391 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3392 using the 26bit APCS.
3394 * config/arm/unknown-elf.h: New file. Support for OS'es other
3395 than Linux with ELF.
3397 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3400 * config/arm/coff.h: Include aout.h for basic assembler macros.
3401 Add support for -mstructure_size_boundary=<n> command line option.
3403 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3404 command line option. Make macro definitions conditional on their
3405 not having been already defined.
3407 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3408 command line option.
3411 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3413 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3414 has been changed to not include a newline. Use this macro instead.
3415 (output_enumeral_list, const_value_attribute, name_attribute,
3416 comp_dir_attribute, prototyped_attribute, producer_attribute,
3417 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3418 dwarfout_file_scope_decl, generate_new_sfname_entry,
3419 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3420 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3422 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3424 * combine.c (subst): Process the inputs to a parallel asm_operands
3427 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3429 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3431 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3433 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3435 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3437 * version.c: Bump for snapshot.
3439 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3441 * stmt.c (expand_fixup): Set fixup->before_jump to a
3442 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3444 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3446 * Makefile.in (recog.o): Depend on toplev.h.
3447 (insn-emit.o): Depend on recog.h.
3448 (insn-peep.o): Depend on recog.h and insn-config.h.
3450 * combine.c (simplify_set): Remove unused variable `scratches'.
3452 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3453 and `idx' in macro conditional controlling their use.
3455 * genemit.c (main): Make the generated output file include
3456 recog.h. Don't have it declare `insn_operand_constraint', since
3457 we get it from recog.h.
3459 * genpeep.c (main): Make the generated output file include
3460 insn-config.h and recog.h.
3462 * recog.c: Include toplev.h.
3463 (extract_insn): Remove unused variable `p'.
3465 * regclass.c (fix_register): Add missing braces around initializer
3467 (allocate_reg_info): Move variable `i' into the scope where it is
3468 used. Change its type to `size_t'.
3470 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3472 * reload.c (push_reload): When merging reloads, make sure
3473 that reload_in_reg and reload_in are from the same reload in
3476 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3478 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3479 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3481 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3483 * loop.c (loop_has_tablejump): New variable.
3484 (prescan_loop): Scan for it.
3485 (insert_bct): Replace explicit scan with use of it.
3486 * regclass.c (regclass): Restore loop variable j.
3487 (record_reg_classes): Deterine op_types modifiers and initialize
3488 classes[i] before matching constraints. Handle matching
3491 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3493 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3496 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3498 * mips.h (EXTRA_SPECS): Add missing initializers.
3500 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3502 * sparc.h (EXTRA_SPECS): Add missing initializers.
3503 (sparc_defer_case_vector): Provide a prototype.
3505 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3506 comparing it to the result of a pointer subtraction.
3508 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3510 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3511 the argument to (unsigned char).
3513 * alpha.h (EXTRA_SPECS): Add missing initializers.
3514 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3517 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3519 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3520 (propagate_block): Delete dead code after reload.
3522 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3523 back Oct 15, 1998 change.
3524 * haifa-sched.c (update_flow_info): Likewise.
3525 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3527 * mn10200.md (truncated shift): Accept constant inputs too.
3529 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3531 * machmode.h (mode_mask_array): No longer const.
3532 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3534 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3536 * frame.c: Somewhat explain `FDE'.
3537 Suggested by Brendan Kehoe
3539 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3541 * expr.c (pending_chain): Move up.
3542 (save_expr_status): Do save pending_chain.
3543 (restore_expr_status): And restore it.
3544 * function.h (struct function): Add pending_chain.
3546 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3548 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3549 did not match the code.
3551 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3553 * regclass.c (regclass): Break out some code into new function
3554 scan_one_insn, and into regclass_init.
3555 (init_cost): New static variable, moved out of regclass.
3556 (regclass_init): Initialize it here, not in .
3557 (scan_one_insn): New static function, broken out of regclass.
3558 * recog.c (apply_change_group): Break out some code into new
3559 function insn_invalid_p.
3560 (insn_invalid_p): New static fn, broken out of apply_change_group.
3562 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3564 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3565 reg_reloaded_contents matches incremented pseudo.
3567 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3569 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3571 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3572 addressing modes with side effects. These are currently
3573 placeholders for the C4x target.
3575 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3577 * loop.c (express_from): Make sure that when generating a PLUS of
3578 a PLUS, any constant expression appears on the outermost PLUS.
3580 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3582 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3583 works if "$(srcdir)" != ".".
3585 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3587 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3588 existing SUBREG if we can, otherwise abort.
3590 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3592 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3593 `restrict' is applied to a non-pointer variable.
3595 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3597 * invoke.texi: Document -flang-isoc9x.
3599 * Makefile.in (OBJS): Add splay-tree.o.
3600 (c-common.o): Depend on rtl.h.
3601 (splay-tree.o): List dependencies and provide build rule.
3603 * rtl.h (record_alias_subset): New function.
3604 * alias.c: Include splay-tree.h.
3605 (alias_set_entry): New type.
3606 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3607 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3608 (mems_in_disjoin_alias_sets_p): New function.
3609 (alias_set_compare): Likewise.
3610 (insert_subset_children): Likewise.
3611 (get_alias_set_entry): Likewise.
3613 * tree.h (TYPE_RESTRICT): New macro.
3614 (TYPE_UNQUALIFIED): New manifest constant.
3615 (TYPE_QUAL_CONST): Likewise
3616 (TYPE_QUAL_VOLATILE): Likewise.
3617 (TYPE_QUAL_RESTRICT): Likewise.
3618 (tree_type): Add restrict_flag. Reduce count of free bits.
3619 (DECL_POINTER_ALIAS_SET): New macro.
3620 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3621 (tree_decl): Add pointer_alias_set.
3622 (build_qualified_type): New function.
3623 (build_type_variant): Define in terms of build_qualified_type.
3624 * tree.c (set_type_quals): New function.
3625 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3626 (build_type_attribute_variant): Use build_qualified_type and
3628 (build_type_variant): Rename, and modify, to become...
3629 (build_qualified_type): New function.
3630 (build_complex_type): Use set_type_quals.
3632 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3633 (C_TYPE_FUNCTION_P): Likewise.
3634 (C_TYPE_INCOMPLETE_P): Likewise.
3635 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3636 (c_apply_type_quals_to_decl): New function.
3637 (c_build_qualified_type): New function.
3638 (c_build_type_variant): Define in terms of c_build_qualified_type.
3639 (flag_isoc9x): Declare.
3640 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3641 (common_type): Change to use TYPE_QUALS.
3642 (comptypes): Likewise.
3643 (convert_for_assignment): Likewise.
3644 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3645 * c-decl.c (flag_isoc9x): Define.
3646 (c_decode_option): Handle -flang-isoc9x.
3647 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3648 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3649 * c-lex.c (init_lex): Deal with restrict.
3650 (init_lex): Don't treat restrict as a reserved word in
3651 -traditional mode, or without -flang-isoc9x.
3652 * c-lex.h (rid): Add RID_RESTRICT.
3653 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3654 equivalent to RID_RESTRICT.
3655 * c-parse.in (TYPE_QUAL): Update comment.
3656 * c-common.c: Include rtl.h.
3657 (c_find_base_decl): New function.
3658 (c_build_type_variant): Rename, and modify, to become ...
3659 (c_build_qualified_type): New function.
3660 (c_apply_type_quals_to_decl): Likewise.
3661 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3662 a particular alias set for the reference.
3663 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3665 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3667 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3668 command line switches.
3670 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3672 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3675 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3677 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3679 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3681 * regclass.c (fix_register): Add error message.
3682 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3685 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3687 * c-decl.c (warn_missing_noreturn): New global variable.
3688 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3689 (finish_function): Implement missing noreturn warning.
3691 * c-tree.h (warn_missing_noreturn): Declare extern.
3693 * invoke.texi: Document new flags.
3695 * toplev.c (documented_lang_options): Add description.
3697 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3699 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3700 loop optimization stable for the C4x.
3701 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3702 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3703 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3705 (c4x_address_conflict): Be more paranoid when packing a volatile
3706 memref in a parallel load/store.
3708 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3710 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3711 repeat_block_filler): Deleted.
3712 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3713 Condition code not set if destination register from 'c' class.
3714 (*subbqi3_carry_clobber): Fix typo.
3716 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3718 * reorg.c (steal_delay_list_from_target) Check for insns that
3719 modify the condition codes and effect the direction of the jump
3722 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3724 * function.c (purge_addressof_1): Replace call to
3725 emit_insns_before() with emit_insn_before().
3727 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3729 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3731 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3733 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3735 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3737 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3738 clobbered across calls.
3740 * loop.c (scan_loop): Be more selective about what invariants are
3741 moved out of a loop.
3743 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3745 * version.c: Bump for snapshot.
3747 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3749 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3750 static eh_context structure.
3752 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3754 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3756 (try_combine): Don't update max_scratch.
3757 * flow.c (max_scratch, num_scratch): Delete variables.
3758 (life_analysis_1): Don't initialize max_scratch.
3759 (propagate_block): Don't update max_scratch.
3760 (mark_set_1): Don't increment num_scratch.
3761 * regs.h (max_scratch): Delete declaration.
3763 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3765 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3766 is nonzero. This is temporary!
3768 * sched.c (update_flow_info): Handle death notes made invalid by
3769 instruction splitting. Partially reverts Oct 15, 1998 patch.
3770 * haifa-sched.c (update_flow_info): Likewise.
3772 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3774 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3775 if it has a nonzero DECL_INITIAL.
3777 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3779 * Makefile.in (flow.o): Depend on recog.h.
3781 * cpplib.h (directive_table): Add missing initializiers.
3782 (finclude): Change type of variable `bsize' to size_t.
3784 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3786 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3788 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3789 `int' when comparing against one.
3790 (cpp_file_line_for_message): Mark parameter `pfile' with
3792 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3794 * flow.c: Include recog.h.
3795 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3797 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3798 `f' with ATTRIBUTE_UNUSED.
3799 (reposition_prologue_and_epilogue_notes): Likewise.
3801 * genopinit.c (gen_insn): Cast argument of ctype functions to
3804 * haifa-sched.c: Include recog.h.
3805 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3806 comparing against one.
3808 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3810 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3812 (parse_ent): Likewise.
3813 (parse_input): Likewise.
3815 * optabs.c (init_libfuncs): Likewise.
3817 * protoize.c (find_rightmost_formals_list): Likewise.
3819 * recog.h (const_double_operand): Fix typo in prototype.
3821 * tlink.c (scan_linker_output): Cast the argument of ctype
3822 function to `unsigned char'.
3824 * toplev.c (check_lang_option): Cast the result of `strlen' to
3825 `int' when comparing against one.
3827 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3829 * gcse.c (dump_cuid_table): Correct typo.
3831 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3833 * toplev.c (display_help): Prepend '-m' to target specific
3835 (check_lang_option): Ignore text after end of first word of a
3836 language specific option.
3838 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3840 * reload1.c (reg_used_by_pseudo): New static variable.
3841 (choose_reload_regs): Initialize it.
3842 Use it instead of testing spill_reg_order to determine whether a
3843 pseudo is live in a hard register across the current insn.
3844 Fix a typo in a reference to reload_reg_rtx.
3846 * flow.c (propagate_block): Replace code that computes and uses
3847 regs_sometimes_live with simpler code that just walks the set of
3848 currently live registers.
3850 * Makefile.in (insn-extract.o): Fix dependencies.
3851 * genextract.c (main): Generate includes for insn-config.h and
3853 Delete generation of declarations which are now in recog.h.
3854 * genrecog.c (main): Delete generation of definitions which are
3856 * local-alloc.c (block_alloc): Use extract_insn and the variables
3857 it sets up instead of looking up values by insn_code.
3858 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3859 recog_dup_num): Define here instead of generating the definition in
3861 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3862 recog_operand_mode, recog_constraints, recog_operand_address_p):
3864 (extract_insn): New function.
3865 * recog.h (extract_insn): Declare function.
3866 (which_alternative, recog_n_operands, recog_n_dups,
3867 recog_n_alternatives, recog_operand_mode, recog_constraints,
3868 recog_operand_address_p): Declare variables.
3869 * regclass.c (n_occurrences): New static function.
3870 * reload.c (n_occurrences): Delete function.
3871 (find_reloads): Use extract_insn.
3872 * reload.h (n_occurrences): Delete declaration.
3874 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3876 * reload1.c (reload_as_needed): Fix test for when to call
3877 update_eliminable_offsets.
3879 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3881 Fix consistency problems with reg_equiv_{mem,address};
3882 Improve reload inheritance;
3884 * reload.c (reload_out_reg): New variable.
3885 (loc_mentioned_in_p, remove_address_replacements): New functions.
3886 (remove_replacements): Deleted.
3887 (push_reload): Set reload_out_reg[i].
3888 When merging, also set reload_{in,out}_reg[i], and remove
3889 duplicate address reloads.
3890 (combine_reloads): Copy reload_out_reg[i].
3891 (find_reloads): Do make_memloc substitution also when
3892 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3894 Include *recog_operand_loc in commutativity operand changes.
3895 Generate optional output reloads.
3896 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3897 processing operands. Call make_memloc in reg_equiv_address code.
3898 Set *recog_operand_loc only after processing operands, and only
3899 if replace is true. Return a value.
3900 When changing address reload types for operands that didn't get
3901 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3902 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3903 Don't emit USEs for pseudo SUBREGs when not replacing.
3904 (find_reloads_address): Do make_memloc substitution also when
3905 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3907 (find_reloads_toplev): Likewise.
3908 Call make_memloc in reg_equiv_address code.
3909 (debug_reload_to_stream): Add code to output reload_out_reg.
3910 (make_memloc): Delete local variable i, ifdefed out code, and
3911 references to memlocs and n_memlocs.
3912 (memlocs, n_memlocs): Delete.
3913 (push_secondary_reload): Clear reload_out_reg.
3914 (find_reloads_address_1): Provide memrefloc argument to all calls
3915 to find_reloads_address.
3916 In AUTO_INC code, handle non-directly addressable equivalences properly.
3917 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3918 (find_reloads): Add return type.
3919 (remove_address_replacements, deallocate_reload_reg): Declare.
3920 * reload1.c (num_not_at_initial_offset): No longer static.
3921 (delete_address_reloads, delete_address_reloads_1): Likewise.
3922 (deallocate_reload_reg): New function.
3923 (spill_reg_stored_to): New array.
3924 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3925 (eliminate_regs_in_insn): Move assignments of previous_offset and
3926 max_offset fields, and recalculation of num_not_at_initial_offset
3927 into new static function:
3928 (update_eliminable_offsets) .
3929 (reload_as_needed): Call update_eliminable_offsetss after calling
3931 Call forget_old_reloads_1 with contents of reloaded auto_inc
3932 expressions if the actual addressing can't be changed to match the
3934 (choose_reload_regs): For inheritance, replace
3935 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3936 remove stand-alone reload_reg_used_at_all test.
3937 Use reload_out_reg to determine which reload regs have output reloads.
3938 Treat reload_override_in more similar to inherited reloads.
3939 Handle (subreg (reg... for inheritance.
3940 For flag_expensive_optimizations, add an extra pass to remove
3941 unnecessary reloads from known working inheritance.
3942 Delete obsolete code for pseudos replaced with MEMs.
3943 Handle inheritance from auto_inc expressions.
3944 (emit_reload_insns): If reload_in is a MEM, set OLD to
3946 Don't reload directly from oldequiv; if it's a pseudo with a
3947 stack slot, use reload_in[j].
3948 Check that reload_in_reg[j] is a MEM before replacing reload_in
3949 from reg_reloaded_contents.
3950 Include non-spill registers in reload inheritance processing.
3951 Also try to use reload_out_reg to set spill_reg_store /
3952 reg_last_reload_reg.
3953 In code to set new_spill_reg_store, use single_set to find out if
3954 there is a single set.
3955 Add code that allows to delete optional output reloads.
3956 Add code to allow deletion of output reloads that use no spill reg.
3957 At the end, set reload_override_in to oldequiv.
3958 Also call delete_output_reload if reload_out_reg is equal to old
3960 Add code to call delete_output_reload for stores with no matching load.
3961 Set / use spill_reg_stored_to.
3962 Handle case where secondary output reload uses a temporary, but
3963 actual store isn't found.
3964 When looking for a store of a value not loaded in order to call
3965 delete_output_reload, count_occurences should return 0 for no
3966 loads; but discount inherited input reloadill_reg_stored_to.
3967 Do checks for extra uses of REG. Changed all
3969 Use delete_address_reloads.
3970 (reload): Take return value of find_reloads into account.
3971 If a no-op set needs more than one reload, delete it.
3972 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3973 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3974 for the same operand.
3975 (clear_reload_reg_in_use): Check for other reloads that keep a
3977 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3978 RELOAD_FOR_OPADDR_ADDR.
3979 Take into account when an address address reload is only needed
3980 for the address reload we are considering.
3981 (count_occurrences): Use rtx_equal_p for MEMs.
3982 (inc_for_reload): Return instruction that stores into RELOADREG.
3983 New argument two, IN, and rtx. Changed all callers.
3984 (calculate_needs_all_insns, reload_as_needed):
3985 Don't clear after_call for a CLOBBER.
3986 Keep track of how many hard registers need to be copied from
3987 after_call, and don't clear after_call before we have seen
3988 that much copies, or we see a different instruction.
3990 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3992 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3993 after reload has completed.
3995 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3997 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3998 a macro name and the next token with a single blank if that whitespace
3999 is in a macro buffer and the next token is not '('.
4001 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4003 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4005 (skip_if_group): Ditto.
4006 (skip_to_end_of_comment): Ditto.
4008 (discard_comments): Ditto.
4009 (change_newlines): Ditto.
4011 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4013 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4015 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4017 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4018 (TARGET_OPTIONS): Add --help documentation.
4020 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4022 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4024 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4026 * fixinc/* Moved in from ../contrib directory in preparation
4027 for integrating it into the normal build process. In particular,
4028 fixinc/Makefile.in must be config-ed into the build directory
4029 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4030 ./configure.in will be "in the mail" momentarily.
4032 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4034 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4035 accidently walk into the free list. Comment how that can happen.
4036 (invalidate): Fix indentation.
4038 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4039 Jeffrey A Law (law@cygnus.com)
4041 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4042 reload. Never perform rescans of the insn chain after reload.
4043 (propagate_block): Do not delete insn or create new autoinc addressing
4046 * jump.c (jump_optimize): Unconditionally use the code that was
4047 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4048 * reload1.c (reload): When reloading is finished, delete all
4049 REG_DEAD and REG_UNUSED notes.
4050 (emit_reload_insns): Delete all code that was conditional on
4051 PRESERVE_DEATH_INFO_REGNO_P.
4052 (no_longer_dead_regs): Delete variable.
4053 (reload_cse_delete_death_notes): Delete function.
4054 (reload_cse_no_longer_dead): Delete function.
4055 (reload_cse_regs_1): Delete all code to handle deletion of death
4057 (reload_cse_noop_set_p): Likewise.
4058 (reload_cse_simplify_set): Likewise.
4059 (reload_cse_simplify_operands): Likewise.
4060 (reload_cse_move2add): Likewise.
4061 * reorg.c (used_spill_regs): Delete declaration.
4062 (max_label_num_after_reload): Delete declaration.
4063 (find_dead_or_set_registers): Don't assume that spill regs are
4064 dead at a CODE_LABEL.
4065 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4067 * sched.c (sched_analyze_insn): Likewise.
4068 (update_flow_info): Likewise.
4069 * haifa-sched.c (sched_analyze_insn): Likewise.
4070 (update_flow_info): Likewise.
4071 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4072 * toplev.c (max_label_num_after_reload): Delete variable.
4073 (rest_of_compilation): Don't set max_label_num_after_reload.
4074 Call life_analysis after reload_cse_regs if optimizing.
4075 * config/gmicro/gmicro.h: Delete comment referring to
4076 PRESERVE_DEATH_INFO_REGNO_P.
4077 * config/i386/i386.h: Likewise.
4078 * config/m88k/m88k.h: Likewise.
4079 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4080 * config/sh/sh.h: Likewise.
4082 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4084 * loop.c (strength_reduce): Restore marking bct_p as
4086 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4087 HAVE_decrement_and_branch_on_count.
4088 (small_data_operand): Remove TARGET_ELF condition for marking
4089 parameters ATTRIBUTE_UNUSED.
4091 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4093 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4094 (SELECT_SECTION): Resync with svr4.h.
4096 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4098 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4101 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4103 * c-pragma.c (handle_pragma_token): Test for null tree before
4104 dereferencing TREE_CODE.
4106 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4108 * config/c4x/c4x.c: Convert to use GEN_INT.
4109 (c4x_parallel_process): Rework to handle new repeat loop structure.
4111 * config/c4x/c4x.md: Convert to use GEN_INT.
4112 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4113 (decrement_and_branch_on_count): Likewise.
4115 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4116 loop.c has the desired functionality.
4117 (rc_reg_operand): New prototype.
4119 * config/c4x/t-c4x: Can now build all front ends.
4121 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4123 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4125 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4127 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4128 * config/t-rtems: Do not install assert.h -- use newlib's.
4130 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4132 * combine.c (combine_instructions): When finished, call init_recog.
4133 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4135 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4137 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4139 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4141 * cppalloc.c (memory_full): Mark function prototype with
4144 * demangle.h (collect_exit): Likewise.
4146 * fix-header.c (v_fatal, fatal): Likewise.
4148 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4151 * gcov.c (print_usage): Likewise.
4153 * genattr.c (fatal, fancy_abort): Likewise.
4155 * genattrtab.c (fatal, fancy_abort): Likewise.
4157 * gencodes.c (fatal, fancy_abort): Likewise.
4159 * genconfig.c (fatal, fancy_abort): Likewise.
4161 * genemit.c (fatal, fancy_abort): Likewise.
4163 * genextract.c (fatal, fancy_abort): Likewise.
4165 * genflags.c (fatal, fancy_abort): Likewise.
4167 * genopinit.c (fatal, fancy_abort): Likewise.
4169 * genoutput.c (fatal, fancy_abort): Likewise.
4171 * genpeep.c (fatal, fancy_abort): Likewise.
4173 * genrecog.c (fatal, fancy_abort): Likewise.
4175 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4176 __sjpopnthrow, __throw): Likewise.
4178 * objc/objc-act.c (objc_fatal): Likewise.
4180 * protoize.c (usage, aux_info_corrupted,
4181 declare_source_confusing): Likewise.
4183 * rtl.c (dump_and_abort): Likewise.
4185 * rtl.h (sets_cc0_p): Likewise.
4187 * toplev.c (float_signal, pipe_closed): Likewise.
4189 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4191 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4192 when generating the decision tree for the general case.
4194 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4195 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4197 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4199 * Makefile.in (sched.o): Depend on recog.h.
4201 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4202 (unsigned) when comparing against one.
4203 (find_base_value): Likewise.
4204 (record_base_value): Cast variable `regno' to (unsigned) when
4205 comparing against one. Cast the result of REGNO() macro to
4206 (unsigned) when comparing against one.
4207 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4209 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4210 variable where an unsigned index is needed.
4212 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4213 before comparing against one.
4215 * collect2.c: Add prototypes for functions `error', `fatal' and
4216 `fatal_perror'. Make these functions take variable arguments
4217 instead of faking it with a fixed number of args.
4218 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4221 * combine.c (can_combine_p): Mark parameter `pred' with
4223 (find_split_point): Cast variable `src' to (unsigned
4224 HOST_WIDE_INT) when comparing against one.
4225 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4226 (simplify_logical): Likewise.
4227 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4228 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4229 HOST_WIDE_INT) in shift.
4230 (simplify_and_const_int): Cast result of INTVAL() macro to
4231 `unsigned HOST_WIDE_INT' when comparing against one.
4232 (merge_outer_ops): Cast variable const0 to `unsigned
4233 HOST_WIDE_INT' when comparing against the result of
4234 GET_MODE_MASK() macro.
4235 (simplify_comparison): Likewise for variable `c0'. Cast variable
4236 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4237 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4238 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4239 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4240 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4241 comparing against one.
4242 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4244 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4245 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4246 (output_block_move): Cast `sizeof' expression to (int) when
4247 comparing against one.
4248 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4250 (save_restore_insns): Cast `base_offset' to `long' to match format
4251 specifier in fprintf.
4253 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4254 to `enum machine_mode'.
4256 * flow.c (life_analysis_1): Remove unused variable `insn'.
4258 * gcc.c (translate_options): Move variables `j' and `k' into the
4259 scope in which they are used. Change their types to `size_t'.
4260 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4261 (read_specs): Likewise.
4262 (process_command): Cast `sizeof' to (int) when comparing against one.
4263 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4264 (handle_braces): Cast both sides of `==' expression to `long' to
4265 ensure sign matching.
4266 (main): Cast variable `i' to `int' when comparing against one.
4268 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4269 int to size_t. Cast variable `i' to size_t when comparing against
4272 * genattrtab.c (convert_set_attr_alternative): Remove unused
4273 parameter `insn_code'. All callers changed.
4274 (convert_set_attr): Likewise.
4276 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4277 size_t when comparing against one. Likewise for variable `len'.
4279 * global.c (global_alloc): Cast variable `max_regno' to size_t
4280 when comparing against one. Likewise for variable `max_allocno'.
4282 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4284 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4285 `set' with ATTRIBUTE_UNUSED.
4286 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4289 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4290 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4291 (get_condition): Cast variable `const_val' to `unsigned
4292 HOST_WIDE_INT' when comparing against one. Cast unsigned
4293 expression to HOST_WIDE_INT when comparing against one.
4294 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4295 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4296 `unsigned' when comparing against one.
4298 * protoize.c (is_id_char): Change type of parameter `ch' to
4300 (munge_compile_params): Cast argument of ctype macro to (const
4302 (process_aux_info_file): Cast variable `aux_info_size' to int when
4303 comparing against one.
4304 (forward_to_next_token_char): Cast argument of ctype macro to
4305 `const unsigned char'.
4306 (edit_formals_lists): Likewise.
4307 (find_rightmost_formals_list): Likewise.
4308 (add_local_decl): Likewise.
4309 (add_global_decls): Likewise.
4310 (edit_fn_definition): Likewise.
4311 (do_cleaning): Likewise.
4312 (scan_for_missed_items): Likewise.
4313 (edit_file): Cast variable `orig_size' to (int) when comparing
4315 (main): Cast argument of ctype macro to `const unsigned char'.
4317 * recog.c (const_int_operand): Mark parameter `mode' with
4320 * regclass.c (record_reg_classes): Change type of variable `c' to
4321 `unsigned char'. Cast `char' array index to `unsigned char'.
4323 * reload.c (push_secondary_reload): Cast argument to
4324 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4326 * reload1.c (calculate_needs): Cast `char' array index to
4328 (set_label_offsets): Change type of variable `i' to unsigned int.
4329 Cast result of XVECLEN() macro to unsigned when comparing against
4331 (mark_not_eliminable): Change type of variable `i' to unsigned.
4332 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4333 when comparing against one.
4334 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4335 comparing against one.
4336 (choose_reload_regs): Hide unused label `fail'.
4337 (reload_cse_simplify_operands): Cast `char' array index to
4339 (reload_combine_note_store): Mark parameter `set' with
4340 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4342 (reload_cse_move2add): Remove unused variable `src2'.
4344 * sched.c: Include recog.h.
4345 (sched_note_set): Remove unused parameter `b'. All callers
4347 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4348 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4349 when comparing against one.
4351 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4352 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4353 comparing against one.
4355 * unroll.c (precondition_loop_p): Remove unused parameter
4356 `loop_end'. All callers changed.
4358 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4360 * reload1.c (maybe_fix_stack_asms): New static function.
4363 * reload.h (compute_use_by_pseudos): Declare.
4365 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4366 (something_needs_reloads): Delete variable.
4367 (finish_spills): New function.
4368 (compute_use_by_pseudos): New function.
4370 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4371 Use the reload_insn_chain instead of walking the rtl directly.
4373 (reload): Allocate and free spilled_pseudos.
4374 Ensure that all calls of spill_hard_reg are followed by a call to
4376 Use the insns_need_reload list instead of something_needs_reloads
4377 to find out if reload_as_needed must be called.
4378 Clear unused_insn_chains at the end.
4380 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4382 Delete code to keep track of current basic block.
4383 Walk reload_insn_chain instead of the rtl structure. Build the
4384 insns_need_reload chain.
4385 Remember which insns need reloading/elimination by setting the
4386 appropriate fields in struct insn_chain, not by putting modes on the
4389 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4390 arg INSN. All callers changed.
4391 Delete declaration of struct needs.
4392 Don't set something_needs_reloads.
4393 Record insn needs in the CHAIN argument.
4395 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4397 (reload_as_needed): Lose FIRST arg. All callers changed.
4398 Walk the reload_insn_chain instead of the rtx structure.
4399 Delete code to keep track of current basic block.
4400 Rename one of the NEXT variables to OLD_NEXT.
4402 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4404 (choose_reload_regs): Likewise.
4406 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4409 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4410 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4411 (hard_regs_live, hard_regs_need_restore): Delete variables.
4412 (n_regs_saved): Now static.
4413 (referenced_regs, this_insn_sets): New variables.
4415 (setup_save_areas): Restructure the code a bit.
4417 (restore_referenced_regs): Delete function.
4418 (mark_referenced_regs): New function, similar to the old
4419 restore_referenced_regs, but mark registers in referenced_regs.
4421 (clear_reg_live): Delete function.
4422 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4423 Only mark registers in this_insn_sets.
4425 (save_call_clobbered_regs): Rework this function to walk the
4426 reload_insn_chain instead of using the list of instructions directly.
4427 Delete code to keep track of register lives, compute live regs on the
4428 fly from information in the chain.
4429 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4430 then walk the set it computes and call insert_restore as appropriate.
4432 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4434 Restructure the code a bit. Test hard_regs_saved instead of
4435 hard_regs_need_restore.
4436 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4437 args. All callers changed.
4438 Restructure the code a bit. Use TO_SAVE to determine which regs to
4439 save instead of more complicated test.
4440 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4442 Create a new insn_chain structure for the new insn and place it
4445 * rtl.texi: Update documentation to reflect that reload no longer
4446 puts modes on the insns.
4448 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4450 * function.c (purge_addressof_1): Force the first argument of a
4451 CALL insn to memory.
4453 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4455 * rtl.h: Delete duplicate prototypes. Add some missing
4457 * rtlanal.c: (for_each_rtx): Formatting tweak.
4459 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4461 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4462 to be compatible with TI compiler.
4464 * Makefile.in (USER_H): Add va-c4x.h to definition.
4466 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4468 * function.c (purge_addressof_1): Fix typo in inequality: do
4469 bitfield optimization for equal mode sizes.
4470 * expmed.c (store_bit_field): Don't take subregs of subregs in
4471 the movstrict case. Tidy a potential problem in the multi-word case.
4472 (extract_bit_field): Likewise.
4474 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4476 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4478 Compute max_uid_for_flow by calling get_max_uid after the scan.
4479 (find_basic_blocks_1): Don't emit NOPs here.
4481 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4483 * alias.c (base_alias_check): Accept new args for the modes of the
4484 two references. Use them to determine if an AND can overlap. Update
4486 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4487 to determine if an AND can overlap.
4489 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4491 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4492 check. Add comment to document problems with TARGET_SUN_FPA version
4494 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4496 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4498 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4500 * c-common.c (print_char_table): Add missing initializers.
4501 (scan_char_table): Likewise.
4502 (time_char_table): Likewise.
4504 * c-decl.c (c_decode_option): Mark parameter `argc' with
4506 (declare_parm_level): Mark parameter `definition_flag' with
4509 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4510 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4513 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4515 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4517 (expand_call): Cast result of MIN() to (unsigned int) when
4518 comparing against an unsigned value.
4520 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4522 (make_definition): Remove unused parameter `op'. All callers
4524 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4525 comparing against the result of pointer arithmetic.
4527 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4528 when comparing against one.
4530 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4531 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4533 (output_die): Move variable `i' into the scope in which it is
4534 used. Change its type to `unsigned'.
4535 (output_die): Cast the result of `strlen' to (int) when passing it
4536 to ASM_OUTPUT_ASCII().
4537 (output_pubnames): Likewise.
4538 (output_line_info): Likewise.
4540 * emit-rtl.c (global_rtl): Add missing initializers.
4542 * explow.c (promote_mode): Mark parameter `for_call' with
4545 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4546 `unsigned HOST_WIDE_INT' when comparing against one.
4547 (synth_mult): Change type of variable `cost' to int.
4548 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4550 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4551 when comparing against one.
4552 (get_inner_reference): Change variable `alignment' to unsigned.
4553 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4554 int) when comparing against one.
4555 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4557 * fold-const.c (div_and_round_double): Cast BASE to
4558 (HOST_WIDE_INT) when comparing against one.
4560 * gencheck.c: Include gansidecl.h.
4561 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4563 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4564 `tcode' with ATTRIBUTE_UNUSED.
4566 * real.c (edivm): Cast constant value to (unsigned long) in
4567 expression compared against an unsigned value.
4569 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4570 comparing against one.
4571 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4572 when comparing against one.
4574 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4575 (unsigned int) when comparing against one. Likewise for
4577 (smallest_mode_for_size): Likewise.
4578 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4579 (restore_storage_status): Likewise.
4581 * toplev.c (debug_args): Add missing initializer.
4582 (f_options): Spelling correction. Add missing initializers.
4583 (documented_lang_options): Likewise.
4584 (debug_end_source_file): Mark parameter `lineno' with
4587 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4588 `decl' and `type' with ATTRIBUTE_UNUSED.
4590 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4591 when comparing against one.
4592 (assemble_variable): Mark parameter `top_level' with
4594 (assemble_external_libcall): Mark parameter `fun' with
4596 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4599 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4601 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4602 Replace use of r5 with use of r19.
4604 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4606 * config/v850/v850.c (compute_register_save_size): Allow for the
4607 fact that helper functions save all registers, not just those used
4610 Replace constant 31 with macro LINK_POINTER_REGNUM.
4612 * config/v850/v850.md: Use 'indirect_operand' rather than
4613 'memory_operand' for bit test/set/clear patterns.
4615 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4617 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4618 * varasm.c (assemble_start_function et al): Don't call
4619 ASM_GLOBALIZE_LABEL for weak symbols.
4621 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4623 * cse.c (equiv_constant): Check for NULL return from
4624 gen_lowpart_if_possible().
4626 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4628 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4630 * collect2.c (main): Pass -EL/-EB through to the compiler.
4632 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4634 * expr.c (push_block): Handle targets where the stack grows
4635 to higher addresses, but args grow to lower addresses and
4636 ACCUMULATE_OUTGOING_ARGS is not defined.
4638 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4640 * config/v850/v850.c (print_operand): Extend meaning
4641 of 'c' operands to support .vtinherit.
4643 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4645 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4646 Added ATTRIBUTE_UNUSED to unused function arguments.
4647 (rc_reg_operand): New predicate.
4648 (c4x_rptb_insert): New function.
4649 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4650 (c4x_optimization_options): New function.
4652 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4653 (decrement_and_branch_on_count): New pattern.
4654 (rptb_top): Modified pattern to work with BCT optimization.
4656 * config/c4x/c4x.h (RC_REG): New register class.
4657 (rc_reg_operand): Define prototype.
4658 (IS_RC_REG): New macro.
4659 (IS_RC_OR_PSEUDO_REG): New macro.
4660 (IS_RC_OR_PSEUDO_REGNO): New macro.
4661 (OPTIMIZATION_OPTIONS): Define.
4663 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4665 * collect2.c (extract_init_priority): No priority is 65535.
4667 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4669 * Makefile.in (build_tooldir): new variable, same as old
4670 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4671 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4672 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4674 * configure.in (gxx_include_dir): set default based on unlibsubdir
4675 * Makefile.in (tooldir): ditto
4676 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4677 gxx_include_dir, includedir and tooldir
4678 (protoize.o, unprotoize.o): ditto
4680 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4682 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4684 * config/arm/thumb.c (thumb_override_options): Add warning about
4685 PIC code not being supported just yet.
4687 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4689 * flow.c: Update comment.
4690 (notice_stack_pointer_modification): New static function.
4691 (record_volatile_insns): Use it.
4692 (mark_regs_live_at_end): Mark the stack pointer as alive
4693 at the end of the function if current_function_sp_is_unchanging
4695 (life_analysis_1): Set current_function_sp_is_unchanging.
4696 * function.c: Define it.
4697 (init_function_start): Initialize it.
4698 * output.h: Declare it.
4699 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4700 the stack pointer as alive at the end of the function if
4701 current_function_sp_is_unchanging is set.
4702 * i386.c (ix86_epilogue): Optimize the restoring
4703 of the stack pointer.
4705 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4707 * version.c: Bump for snapshot.
4709 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4711 * c-pragma.c (handle_pragma_token): If passed a token instead
4712 of a tree, use that as the pack value.
4714 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4716 * flow.c (find_basic_blocks_1): Fix prototype.
4718 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4720 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4721 (struct tree_decl): New fields no_check_memory_usage.
4722 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4723 (init_attributes): Register it as a new attribute.
4724 (decl_attributes): Set flags on functions given that attribute.
4725 * c-decl.c (duplicate_decls): Merge new attribute.
4726 * expr.h (current_function_check_memory_usage): Declare new var.
4727 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4728 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4729 current_function_check_memory_usage.
4730 * function.h: Add field to struct function.
4731 * function.c (current_function_check_memory_usage): Define it.
4732 (push_function_context_to, pop_function_context_from): Save and
4734 (expand_function_start): Set it, based on global flag and function
4737 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4738 check non-automatic variables, to permit detection of writes to
4739 read-only locations in embedded systems without memory management.
4740 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4741 when emitting chkr_set_right_libfunc call, even if the argument is
4742 BLKmode or variable-sized; don't abort.
4744 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4745 symbols in Pmode, not VOIDmode.
4747 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4749 * cppexp.c: When forcing unsigned comparisons, cast both sides
4752 * cpphash.h: Move static declaration of hashtab[]...
4753 * cpphash.c: ...here.
4755 * cpplib.c: Cast difference of two pointers to size_t before
4756 comparing it to size_t. Cast signed to unsigned
4757 before comparing to size_t. (FIXME: struct argdata should use
4758 unsigned buffer sizes.)
4759 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4760 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4761 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4762 size_t before comparison.
4764 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4766 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4767 (find_basic_blocks_1): Similarly.
4768 * output.h (find_basic_blocks): Fix prototype.
4769 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4770 find_basic_blocks anymore.
4772 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4774 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4775 (sbitmap_free, sbitmap_vector_free): New macros.
4776 * output.h (rtl_dump_file): Declare.
4778 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4780 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4782 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4784 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4786 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4787 (divide): Remove unused variable `tmp'.
4788 (si_to_float): Cast numeric constant to (SItype) before comparing
4791 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4793 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4794 * gcc.c (add_preprocessor_option): Correct typo when allocating
4795 memory, sizeof() argument had one too many `*'.
4796 (add_assembler_option): Likewise.
4797 (add_linker_option): Likewise.
4798 * gcov.c (output_data): Likewise.
4799 * local-alloc.c (memref_used_between_p): Likewise.
4800 (update_equiv_regs): Likewise.
4801 * loop.c (strength_reduce): Likewise.
4802 * reg-stack.c (record_asm_reg_life): Likewise.
4803 (subst_asm_stack_reg): Likewise.
4804 * reorg.c (dbr_schedule): Likewise.
4806 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4808 * flow.c (life_analysis_1): Break out some functions.
4809 (find_basic_blocks_1): Likewise. Also move some variables out and
4811 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4812 new static var nonlocal_label_list with it.
4813 (active_eh_region, nested_eh_region, label_value_list,
4814 nonlocal_label_list): New static variables.
4815 (make_edges, delete_unreachable_blocks, delete_block): New static
4816 functions, broken out of find_basic_blocks_1.
4817 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4818 noop_move_p): New static functions, broken out of life_analysis_1.
4820 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4822 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4823 Take extra care for op0 now possibly being a subreg.
4824 (extract_bit_field): Likewise.
4825 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4826 the reg to memory if there is no equal sized integral mode.
4827 * stor-layout.c (int_mode_for_mode): New function.
4828 * machmode.h: Prototype it.
4830 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4832 * global.c (build_insn_chain): Verify no real insns exist past the
4833 end of the last basic block, then exit the loop.
4835 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4837 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4839 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4841 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4843 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4845 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4847 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4849 * flow.c (find_basic_blocks): Correctly determine when a call
4850 is within an exception region.
4852 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4854 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4856 * cpplib.h: Protect from multiple inclusions.
4857 * cpplib.c: Fix minor formatting problems.
4859 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4861 * jump.c (jump_optimize): Revert accidental patch.
4863 * Makefile.in (cpplib.o): Use unlibsubdir.
4865 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4867 * loop.c (get_condition): Allow combine when either compare is
4870 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4872 * version.c: Bump for snapshot.
4874 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4876 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4877 (init_lex): Initialize ridpointers[RID_BYREF].
4878 * c-lex.h (enum rid): Add RID_BYREF.
4879 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4880 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4881 (encode_type_qualifiers): Similarly
4882 * c-gperf.h: Rebuilt.
4884 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4886 * c-common.c (type_for_mode): Only return TItype nodes when
4887 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4888 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4889 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4890 (init_decl_processing): Only create TItype nodes when
4891 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4892 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4893 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4895 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4897 * stmt.c (n_occurrences): New static function.
4898 (expand_asm_operands): Verify that all constrains match in the
4899 number of alternatives.
4900 Verify that '+' or '=' are at the beginning of an output constraint.
4901 Don't allow '&' for input operands.
4902 Verify that '%' isn't written for the last operand.
4903 * reload.c (find_reloads): Abort if an asm is found with invalid
4904 constraints; all possible problems ought to be checked for earlier.
4906 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4908 * flags.h (flag_branch_on_count_reg): Always declare
4909 * toplev.c (flag_branch_on_count_reg): Likewise.
4910 * toplev.c: Fix typos.
4912 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4915 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4917 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4919 (find_basic_blocks_1): Add a nop to the end of a basic block when
4920 a trailing call insn does not have abnormal control flow.
4921 * gcse.c (pre_transpout): New variable.
4922 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4923 (compute_pre_transpout): Calculate it.
4924 (compute_pre_ppinout): Use it to eliminate impossible placements
4925 due to abnormal control flow through calls.
4926 (compute_pre_data): Call compute_pre_transpout.
4928 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4930 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4932 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4934 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4935 and matching define_insns): Tack on a `use' of the table label, so
4936 flow analysis will recognize a tablejump.
4938 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4940 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4941 always end basic blocks for abnormal edge reasons.
4943 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4945 * config/i386/i386.h: Remove definition of
4946 HANDLE_PRAGMA_PACK_PUSH_POP.
4948 * config/i386/go32.h: Add definition of
4949 HANDLE_PRAGMA_PACK_PUSH_POP.
4951 * config/i386/win32.h: Add definition of
4952 HANDLE_PRAGMA_PACK_PUSH_POP.
4954 * config/i386/cygwin32.h: Add definition of
4955 HANDLE_PRAGMA_PACK_PUSH_POP.
4957 * c-pragma.c (insert_pack_attributes): Do not insert
4958 attributes unless #pragma pack(push,<n>) is in effect.
4960 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4962 * expr.c (emit_group_store): Handle a PARALLEL destination.
4964 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4966 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4967 the new insns before the argument regs are loaded.
4969 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4971 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4972 (c-parse.gperf): Update comments describing invocation flags.
4973 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4975 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4977 * reload1.c (reload): Call free before clobbering the memory
4978 locations or constants pointers.
4980 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4982 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4983 for efficiency by checking whether we need to modify the current
4984 stack permission at all.
4985 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4986 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4987 __enable_execute_stack libcall here too if
4988 TRANSFER_FROM_TRAMPOLINE is defined.
4989 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4992 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4994 * Makefile.in (DRIVER_DEFINES): Remove last change.
4996 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4998 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4999 insns we're going to copy.
5000 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5002 * loop.c (count_one_set): Add prototype.
5004 * caller-save.c (restore_referenced_regs): Lose mode argument.
5005 (insert_save): Lose mode argument.
5006 (insert_restore): Lose mode argument.
5007 (insert_one_insn): Lose mode argument.
5008 (save_call_clobbered_regs): Lose mode argument.
5009 (setup_save_areas): Take no argument and return void. All callers
5011 Don't verify validity of memory addresses.
5012 * reload.h (setup_save_ares): Adjust prototype.
5013 (save_call_clobbered_regs): Likewise.
5014 * reload1.c (delete_caller_save_insns): New function.
5015 (caller_save_spill_class): Delete variable.
5016 (caller_save_group_size): Delete variable.
5017 (reload): Call setup_save_areas and save_call_clobbered_regs
5018 in the main loop, before calling calculate_needs_all_insns.
5019 Don't call save_call_clobbered_regs after the loop.
5020 Call delete_caller_save_insns at the end of an iteration if
5022 Delete code to manage caller_save_spill_class.
5023 Emit the final note before setting reload_first_uid.
5024 Simplify test that determines whether reload_as_needed gets run.
5025 (calculate_needs): Delete code to manage caller_save_spill_class.
5027 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5029 * collect2.c (main): Initialize ld_file_name.
5031 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5033 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5034 check for flag_function_sections.
5036 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5038 * cse.c (insert_regs): Fix bug in Sep 24 change.
5040 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5042 * flags.h (flag_dump_unnumbered): Declare.
5043 * toplev.c (flag_dump_unnumbered): Don't declare.
5044 * print-rtl.c (flags.h): Include.
5045 (print_rtl_single): Add return value.
5046 * rtl.h (print_rtl_single): Update declaration.
5047 * flow.c (flag_dump_unnumbered): Don't declare.
5048 (print_rtl_with_bb): Use return value of print_rtl_single.
5050 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5052 * loop.c (count_one_set): New static function, broken out of
5054 (count_loop_regs_set): Call it.
5055 * global.c (mark_reg_store): Handle clobbers here by not calling
5057 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5058 is in fact a clobber.
5059 * integrate.c (process_reg_param): New function, broken out of
5060 expand_inline_function.
5061 (expand_inline_function): Call it.
5064 * i386.md (addsidi3_1): Delete unused variable temp.
5065 (addsidi3_2): Likewise.
5066 (clstrstrsi): Delete unused variable addr1.
5068 * rtl.h: Don't declare any functions also declared in recog.h.
5070 * Makefile.in (stupid.o): Update dependencies.
5071 (global.o): Likewise.
5073 * global.c: Include reload.h
5074 (reg_becomes_live): New function.
5075 (reg_dies): New function.
5076 (build_insn_chain): New function.
5077 (global_alloc): Call build_insn_chain before calling reload.
5079 * reload.h (struct needs): New structure definition.
5080 (struct insn_chain): Likewise.
5081 (reload_insn_chain): Declare variable.
5082 (new_insn_chain): Declare function.
5085 * reload1.c (reload_startobj): New variable.
5086 (reload_insn_chain): New variable.
5087 (unused_insn_chains): New variable.
5088 (new_insn_chain): New function.
5089 (init_reload): Initialize reload_startobj, not reload_firstobj.
5090 (reload): Initialize reload_firstobj.
5091 Before returning, free everything on the reload_obstack.
5093 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5094 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5095 current_chain): New variables.
5096 (reg_where_born): Delete variable.
5097 (REG_WHERE_BORN): New macro.
5098 (find_clobbered_regs): New function.
5099 (stupid_life_analysis): Don't allocate/free reg_where_born.
5100 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5101 reg_where_dead_chain.
5102 Use REG_WHERE_BORN instead of reg_where_born.
5103 While processing the insns, build the reload_insn_chain with
5104 information about register lifetimes.
5105 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5106 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5108 Compute and information about birth and death of pseudo registers in
5109 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5110 Delete code to set elements of reg_where_born.
5112 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5114 * tree.def (GOTO_EXPR): Modified documentation.
5115 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5118 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5120 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5121 loop_final_value, loop_comparison_code): No longer static.
5122 (unroll_loop): Delete loop_start_value update.
5123 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5124 loop_final_value, loop_comparison_code): Extern.
5125 (loop_start_value): Delete extern.
5126 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5127 loop_comparison_value, loop_comparison_code): Delete.
5128 (loop_optimize): Remove initialization for deleted variables.
5129 (strength_reduce): Delete analyze_loop_iterations call. Only call
5130 insert_bct if flag_branch_count_on_reg set.
5131 (analyze_loop_iterations): Delete.
5132 (insert_bct): Remove iteration count calculation. Move checks for
5133 viable BCT optimization to here. Obtain iteration count from
5134 loop_iterations and correct for unrolling. Check for enough
5135 iteration to be beneficial. Comment out runtime iteration count
5137 (insert_bct): Print iteration count in dump file. Remove
5138 loop_var_mode and use word_mode directly.
5140 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5141 * rs6000.c (rs6000_override_options): Use it.
5142 (optimization_options): Enable use of flag_branch_on_count_reg.
5143 * rs6000.md (define_function_unit): Describe 604e.
5145 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5147 * loop.c (move_movables): Corrected threshold calculation for
5148 moved_once registers.
5150 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5152 * loop.c (combine_givs_p): Fix test for identical givs.
5154 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5156 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5157 call abort if the function is already defined.
5159 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5161 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5162 truncation is not a no-op.
5164 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5166 * version.c: Bump for snapshot.
5168 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5170 * version.c: Bump for snapshot.
5172 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5174 * expmed.c (expand_divmod): Don't widen for computing remainder
5175 if we seem to have a divmod pattern for needed mode.
5177 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5179 * cpplib.c (macroexpand): Correct off-by-one error in handling
5182 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5184 * combine.c (expand_field_assignment): Don't do bitwise operations
5185 on MODE_FLOAT; pun to MODE_INT if possible.
5187 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5188 scott snyder <snyder@d0sgif.fnal.gov>
5190 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5191 linker. Recognize mangled names in quotes.
5193 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5195 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5196 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5197 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5198 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5200 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5202 * function.c (purge_addressof_1): If trying to take a sub-word
5203 integral piece of a floating point mode, put it on the stack.
5205 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5207 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5209 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5211 * PROJECTS: Remove template friends.
5213 * collect2.c (sort_ids): Remove unused variable.
5215 * tm.texi (MATH_LIBRARY): Document.
5216 (NEED_MATH_LIBRARY): Remove.
5218 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5219 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5221 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5223 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5224 last_end to 0x7fffffff.
5226 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5228 * function.c (purge_addressof_1): Do not perform endianness
5229 corrections on bitpos, who we call will do it for us.
5231 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5233 * h8300.c (WORD_REG_USED): Fix typo.
5234 (initial_offset): Use WORD_REG_USED.
5236 * h8300.c (handle_pragma): Fix typo.
5238 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5240 * caller-save.c (insert_save_restore): Break this function up
5241 into new functions insert_restore, insert_save and insert_one_insn.
5242 All callers changed.
5243 (insert_restore): New function, mostly broken out of
5244 insert_save_restore.
5245 (insert_save): Likewise.
5246 (insert_one_insn): Likewise.
5247 (restore_referenced_regs): New argument BLOCK. All callers changed.
5248 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5249 in this function, do it in insert_one_insn instead.
5251 * reload1.c (reload): Break out some more pieces into separate
5253 (dump_needs): New function, broken out of reload.
5254 (set_initial_elim_offsets): Likewise.
5255 (init_elim_table): Likewise.
5256 (update_eliminables): Likewise.
5258 * global.c (global_alloc): Delete code to manage the scratch_list.
5259 * local-alloc.c (qty_scratch_rtx): Delete.
5260 (scratch_block): Delete.
5261 (scratch_list): Delete.
5262 (scratch_list_length): Delete.
5263 (scratch_index): Delete.
5264 (alloc_qty_for_scratch): Delete.
5265 (local-alloc): Update initialization of max_qty.
5266 Delete code to manage the scratch list.
5267 Delete code to allocate/initialize qty_scratch_rtx.
5268 (block_alloc): Don't allocate quantities for scratches.
5269 Delete code to manage the scratch list.
5270 * regs.h (scratch_list): Delete declaration.
5271 (scratch_block): Delete declaration.
5272 (scratch_list_length): Delete declaration.
5273 * reload1.c (reload): Delete code to manage the scratch list.
5274 (spill_hard_reg): Likewise.
5275 (mark_scratch_live): Delete.
5277 * recog.c (alter_subreg): Delete declaration.
5279 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5281 * Makefile.in (cccp.o): Fix typo in last patch.
5283 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5285 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5286 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5288 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5290 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5291 NULL_RTX as an argument.
5293 * Makefile.in (unlibsubdir): Define.
5294 (DRIVER_DEFINES): Use unlibsubdir.
5295 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5296 (stmp-fixinc): Similarly.
5298 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5300 * regmove.c (regmove_optimize): Add variable old_max_uid.
5301 At the end of the function, update basic_block_end.
5303 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5305 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5306 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5309 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5311 * config/arm/arm.c: Improve interworking support.
5313 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5315 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5316 copied from reload_out[r] .
5318 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5320 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5321 with more than three size ranges.
5323 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5325 * rtl.c (mode_name): Add a null string at the end of the array.
5326 (mode_wider_mode): Change type to unsigned char.
5327 (mode_mask_array): New variable.
5328 (init_rtl): Update for mode_wider_mode type change.
5330 * rtl.h (mode_wider_mode): Change type to unsigned char.
5331 (mode_mask_array): Declare.
5332 (GET_MODE_MASK): Use mode_mask_array.
5334 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5336 * calls.c (expand_call) : Encapsulate code into
5337 copy_blkmode_from_reg.
5338 * expr.c (copy_blkmode_from_reg): New function.
5339 * expr.h (copy_blkmode_from_reg): New function.
5340 * integrate.c (function_cannot_inline_p): We can inline
5342 (expand_inline_function): Use copy_blkmode_from_reg
5343 if needed. Avoid creating BLKmode REGs.
5344 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5347 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5349 * config/v850/v850.c: Add function prototypes.
5350 Add support for v850 special data areas.
5352 * config/v850/v850.h: Add support for v850 special data areas.
5354 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5355 HANDLE_PRAGMA_PACK_PUSH_POP.
5356 (push_alignment): New function: Cache an alignment requested
5357 by a #pragma pack(push,<n>).
5358 (pop_alignment): New function: Pop an alignment from the
5360 (insert_pack_attributes): New function: Generate __packed__
5361 and __aligned__ attributes for new decls whilst a #pragma pack
5363 (add_weak): New function: Cache a #pragma weak directive.
5364 (handle_pragma_token): Document calling conventions. Add
5365 support for #pragma pack(push,<n>) and #pragma pack (pop).
5367 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5368 are defined enable HANDLE_PRAGMA_PACK.
5369 Move 'struct weak_syms' here (from varasm.c).
5370 Add pragma states for push and pop pragmas.
5372 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5375 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5376 HANDLE_GENERIC_PRAGMAS.
5378 * varasm.c: Move definition of 'struct weak_syms' into
5380 (handle_pragma_weak): Deleted.
5382 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5384 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5386 * c-decl.c (start_function): Add invocation of
5387 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5389 * tm.texi: Remove description of non-existant macro
5390 SET_DEFAULT_SECTION_NAME.
5392 (HANDLE_SYSV_PRAGMA): Document.
5393 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5395 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5397 * config.sub: Recognize i[34567]86-pc-udk as new target.
5398 * configure.in: Likewise.
5399 * config/i386/t-udk: New file.
5400 * config/i386/udk.h: New file.
5402 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5404 * reorg.c (check_annul_list_true_false): Remove unused variables.
5405 (steal_delay_list_from_target): Add missing "used_annul" variable.
5406 (try_merge_delay_insns): Close out half formed comment.
5408 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5410 * cpplib.c (macroexpand): If arg->raw_before or
5411 arg->raw_after, remove any no-reexpansion escape at the
5412 beginning of the pasted token. Correct handling of whitespace
5413 markers and no-reexpand markers at the end if arg->raw_after.
5415 * toplev.c (documented_lang_options): Recognize -include,
5416 -imacros, -iwithprefix, -iwithprefixbefore.
5417 * cpplib.c (cpp_start_read): Process -imacros and -include
5418 switches at the same time and in command-line order, after
5419 initializing the dependency-output code. Emit properly nested
5420 #line directives for them. Emit a #line for the main file
5421 before processing these switches, and don't do it again
5424 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5426 * function.c (purge_addressof_1): Use bitfield manipulation
5427 routines to handle mem mode < reg mode.
5429 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5431 * reorg.c (try_merge_delay_insns): Account for resources referenced
5432 in each instruction in INSN's delay list before trying to eliminate
5433 useless instructions. Similarly when looking at a trial insn's delay
5436 * reorg.c (check_annul_list_true_false): New function.
5437 (steal_delay_list_from_{target,fallthrough}): Call it and also
5438 refine tests for when we may annul if already filled a slot.
5439 (fill_slots_from_thread): Likewise.
5440 (delete_from_delay_slot): Return newly-created thread.
5441 (try_merge_delay_isns): Use its new return value.
5443 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5445 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5446 used to compute a giv or as some other non-counting use.
5448 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5450 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5451 * local-alloc.c (find_free_reg): Use it.
5452 * global.c (find_reg): Likewise.
5453 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5455 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5456 * caller-save.c (init_caller_save): Use it.
5457 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5459 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5461 * configure.in: Add --enable-cpplib option which uses cpplib
5462 for cpp, but doesn't link cpplib into cc1. Make help text
5463 capitalization consistent.
5464 * configure: Rebuilt.
5466 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5468 * function.c (gen_mem_addressof): If the address REG is
5469 REG_USERVAR_P make the new REG be so also.
5470 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5471 in an attempt to clarify slightly.
5473 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5475 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5476 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5478 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5480 * toplev.c: Fix last patch.
5482 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5484 * loop.c (get_condition): Fix typo in May 9 change.
5486 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5488 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5490 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5492 * toplev.c (documented_lang_options): Spelling corrections.
5494 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5496 * configure.in: new flags --with-ld and --with-as, equivalent
5497 to setting LD and AS environment variables. Test whether
5498 specified arguments are GNU commands, and report them with
5499 checking messages. Use the specified AS for configure
5502 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5504 * gcc.c (find_a_file): when looking for `as' and `ld', return
5505 the DEFAULT program if it exists
5506 * collect2.c (main): use DEFAULT_LINKER if it exists
5508 * gcc.c (find_a_file): the test for existence of a full
5509 pathname was reversed
5511 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5513 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5514 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5516 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5518 * tree.h (TYPE_BINFO): Document.
5520 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5522 * i386-coff.h (dbxcoff.h): Added.
5524 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5526 * toplev.c: fix bad patch around flag_data_sections.
5528 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5530 * reload1.c (reload): Use reload_address_index_reg_class and
5531 reload_address_base_reg_class when setting
5532 caller_save_spill_class. (Patch generated by Jim Wilson:
5535 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5537 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5538 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5539 * expr.c (store_field): Add alias_set parameter. Set the
5540 MEM_ALIAS_SET accordingly, if the target is a MEM.
5541 (expand_assignment): Use it.
5542 (store_constructor_field): Pass 0.
5543 (expand_expr): Likewise.
5545 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5547 * flags.h: Add flag_data_sections.
5548 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5549 (compile_file): Error if flag_data_sections not supported.
5550 * varasm.c (assemble_variable): Handle flag_data_sections.
5551 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5552 * config/mips/elf.h: Likewise.
5553 * config/mips/elf64.h: Likewise.
5554 * invoke.texi: Describe -fdata-sections.
5556 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5558 * invoke.texi (-ffloat-store): Clarify that this option
5559 does not affect intermediate results -- only variables.
5561 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5563 * cpp.texi: Update for Fortran usage from Craig.
5565 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5567 * rs6000.c (function_arg_boundary): Revert accidental change on
5570 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5572 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5573 (output_mi_thunk): Declare.
5575 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5576 (output_function_profiler): Use r12 for temp, instead of r11 so
5577 that we preserve the static chain register.
5579 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5581 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5583 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5585 * sh.c (gen_shl_sext): Fix case 5.
5587 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5589 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5591 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5593 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5594 accessing variables until they are initialized via va_arg().
5596 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5598 * reload1.c (reload_combine): Initialize set before using.
5600 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5602 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5605 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5607 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5608 operand3 with mask before using it. Patch provided by Jim Wilson.
5610 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5612 * config/sparc/sparc.c (function_value): Perform the equivalent of
5613 PROMOTE_MODE for ARCH64.
5614 (eligible_for_epilogue_delay): Allow DImode operations in delay
5615 slot of a return for ARCH64.
5617 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5619 * sh.md (sqrtsf2): Fix mode of sqrt.
5621 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5623 * reload1.c (choose_reload_regs): Also try inheritance when
5624 reload_in is a stack slot of a pseudo, even if we already got a
5627 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5629 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5630 (reload_cse_regs): New function body: call reload_cse_regs_1,
5631 reload_combine, reload_cse_move2add.
5632 When doing expensive_optimizations, call reload_cse_regs_1 a
5633 second time after reload_cse_move2add.
5634 (reload_combine, reload_combine_note_store): New functions.
5635 (reload_combine_note_use): New function.
5636 (reload_cse_move2add, move2add_note_store): New functions.
5638 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5640 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5641 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5643 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5644 more than 3 such reloads.
5646 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5647 RELOAD_FOR_X_ADDR_ADDR reload.
5649 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5651 * expr.c (store_constructor): When initializing a field that is smaller
5652 than a word, at the start of a word, try to widen it to a full word.
5654 * cse.c (cse_insn): When we are about to change a register,
5655 remove any invalid references to it.
5657 (remove_invalid_subreg_refs): New function.
5658 (mention_regs): Special treatment for SUBREGs.
5659 (insert_regs): Don't strip SUBREG for call to mention_regs.
5660 Check if reg_tick needs to be bumped up before that call.
5661 (lookup_as_function): Try to match known word_mode constants when
5662 looking for a norrower constant.
5663 (canon_hash): Special treatment for SUBREGs.
5665 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5667 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5668 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5669 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5670 and offsets in actual stack trampoline code so they match the
5671 commentary and actually work.
5673 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5675 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5677 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5678 tmake_file. Set extra_parts to needed crt objects.
5679 * configure: Rebuilt.
5680 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5681 (TARGET_DEFAULT): Set if default is v9 or ultra.
5682 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5683 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5684 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5685 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5686 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5687 (TARGET_VERSION): Define.
5688 (MULTILIB_DEFAULT): Define.
5689 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5690 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5691 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5693 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5694 * config/sparc/sparc.c (sparc_override_options): If arch and
5695 pointer size disagree, emit diagnostic and fix it up. If
5696 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5697 V8PLUS in 64-bit mode.
5698 * config/sparc/t-linux64: New file.
5699 * config/sparc/t-sol2-64: New file.
5700 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5701 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5702 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5703 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5704 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5705 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5707 (STARTFILE_SPEC): Set approriately based upon those.
5708 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5709 disposition of DEFAULT_ARCH32_P.
5710 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5711 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5712 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5713 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5714 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5716 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5718 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5720 * rtl.h (init_virtual_regs): New function.
5721 * emit-rtl.c (init_virtual_regs): Define.
5722 (insn_emit): Use it.
5723 * integrate.c (save_for_inline_copying): Likewise.
5725 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5727 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5728 (enum reg_class): Add NONARG_LO_REGS support.
5729 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5730 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5731 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5732 completes. Re-enable HImode REG+OFFSET addresses.
5733 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5735 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5737 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5739 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5740 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5741 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5743 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5745 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5746 jumps as a single entity, taking into account the size of the
5749 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5751 * tree.def (SWITCH_EXPR): New tree node definition.
5753 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5755 * version.c: Bump for snapshot.
5757 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5759 * version.c: Bump for snapshot.
5761 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5763 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5766 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5768 * Revert this patch.
5769 * reload.c (find_reloads): Do not replace a pseudo with
5770 (MEM (reg_equiv_addr)) in the initializing insn for the
5773 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5775 * final.c (final_scan_insn): Disable tracking CC across branches.
5777 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5779 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5780 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5781 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5782 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5783 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5785 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5787 * toplev.c (rest_of_compilation): Skip compiling anything with
5788 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5790 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5792 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5793 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5794 use in_libcall_block.
5795 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5796 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5799 Mon Sep 21 14:02:23 1998
5801 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5802 typo in no-fancy-math-387 description.
5804 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5806 * version.c: Bump for snapshot.
5808 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5810 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5812 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5814 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5815 documented in install.texi.
5816 (TARGET_OPTIONS) Likewise.
5818 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5820 * version.c: Bump for snapshot.
5822 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5824 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5825 * cccp.c (main): Likewise.
5827 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5828 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5831 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5833 * Makefile.in (LIBS): Link in libiberty.a.
5834 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5836 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5838 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5839 it to update bb boundaries. Update caller.
5840 * function.c (reposition_prologue_and_epilogue_notes): Update
5841 bb boundaries wrt the moved note.
5843 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5845 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5847 * configure: Regenerate.
5849 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5851 * alpha.c (alpha_sr_alias_set): New variable.
5852 (override_options): Set it.
5853 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5854 (mode_mask_operand): Fix signed-unsigned comparision warning.
5855 (alpha_expand_block_move): Likewise.
5856 (print_operand): Likewise.
5857 (get_aligned_mem): Use change_address.
5858 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5859 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5860 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5861 (alpha_align_insns): Remade from old alphaev5_align_insns
5862 to handle multiple processors.
5863 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5864 * output.h (label_to_alignment): Prototype.
5866 * tree.c (new_alias_set): New function.
5867 * tree.h (new_alias_set): Declare it.
5868 * c-common.c (c_get_alias_set): Use it.
5870 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5872 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5873 to an ABS expr, convert an unsigned input to signed.
5875 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5877 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5879 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5881 * configure.in: Add support for c4x targets.
5882 * configure: Rebuilt.
5884 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5886 * combine.c (distribute_notes): If an insn is a cc0 user, only
5887 delete it if we can also delete the cc0 setter.
5889 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5891 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5892 (invert_truthvalue): Enable truthvalue inversion for
5893 floating-point operands if -ffast-math.
5895 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5897 * configure.in: Disable collect2 for nextstep. Instead use
5899 * configure: Rebuilt.
5900 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5901 (ENDFILE_SPEC): Define.
5902 (OBJECT_FORMAT_MACHO): Define.
5903 (EH_FRAME_SECTION_ASM_OP): Define.
5904 * crtstuff.c: Handle MACHO.
5906 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5908 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5910 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5912 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5913 (_fpadd_parts): Get sign right for 0.
5915 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5917 * ginclude/varargs.h: Add support for C4x target.
5918 * ginclude/stdargs.h: Likewise.
5920 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5922 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5923 (alpha_emit_set_long_const): Rewrite to be callable from reload
5925 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5926 * alpha.md (movdi): Likewise.
5928 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5930 * arm.c (add_constant): New parameter address_only, change caller.
5931 Set it non-zero if taking the address of an item in the pool.
5932 (arm_reorg): Handle cases where we need the address of an item in
5935 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5937 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5938 memory addresses that are not in standard canonical form.
5940 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5942 * README.C4X: New file with information about the c4x ports.
5943 * ginclude/va-c4x.h: New file for c4x varargs support.
5944 * config/c4x: New directory with c4x port files.
5946 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5948 * reload.c (find_reloads): Do not replace a pseudo with
5949 (MEM (reg_equiv_addr)) in the initializing insn for the
5952 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5954 * toplev.c (rest_of_compilation): Set bct_p on second call to
5956 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5958 (strength_reduce): Only call analyze_loop_iterations and
5959 insert_bct if bct_p set.
5960 (check_dbra_loop): Fix typo.
5961 (insert_bct): Use word_mode instead of SImode.
5962 (instrument_loop_bct): Likewise. Do not delete iteration count
5963 condition code generation insn. Initialize iteration count before
5965 * rtl.h (loop_optimize): Update prototype.
5967 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5968 not doubleword aligned.
5970 * rs6000.c (optimization_options): New function.
5971 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5972 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5973 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5974 first; cr1 can be used for FP record condition insns.
5976 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5978 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5981 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5984 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5986 (block_move_call): New function: Call a library routine to copy a
5988 (m32r_expand_block_move): New function: Expand a "movstrsi"
5989 pattern into a sequence of insns.
5990 (m32r_output_block_move): New function: Expand a
5991 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5992 (m32r_block_immediate_operand): New function: Return true if the
5993 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5995 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5997 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5999 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6001 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6003 * regmove.c (copy_src_to_dest): Check that modes match.
6005 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6007 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6009 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6011 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6012 narrower than FLOAT_REGS.
6014 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6016 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6018 * Makefile.in (old_gxx_include_dir): removed
6020 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6022 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6025 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6026 (sh_handle_pragma): Change function arguments to match new
6027 specification for HANDLE_PRAGMA.
6029 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6031 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6033 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6034 When generating output, initialize missing struct member to zero.
6036 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6038 * regmove.c (copy_src_to_dest): Don't copy if that requires
6039 (a) new register(s).
6041 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6043 * global.c (reg_allocno): Now static.
6044 * reload1.c (reg_allocno): Delete declaration.
6045 (order_regs_for_reload): Take no arguments. Don't treat regs
6046 allocated by global differently than those allocated by local-alloc.
6048 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6050 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6051 condition, fix format strings.
6052 (output_function_epilogue): Likewise.
6054 * m68k/m68k.c: Don't include <stdlib.h> directly.
6056 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6058 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6059 mem_first_set, mem_last_set; because 0 can be a CUID.
6060 (oprs_unchanged_p): Use new definition.
6061 (record_last_reg_set_info): Likewise.
6062 (record_last_mem_set_info): Likewise.
6063 (compute_hash_table): Likewise.
6065 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6067 * rs6000.c (output_epilogue): Handle Chill.
6069 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6070 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6072 * combine.c (make_extraction): If no mode is specified for
6073 an operand of insv, extv, or extzv, default it to word_mode.
6074 (simplify_comparison): Similarly.
6075 * expmed.c (store_bit_field): Similarly.
6076 (extract_bit_field): Similarly.
6077 * function.c (fixup_var_regs_1): Similarly.
6078 * recog.c (validate_replace_rtx_1): Similarly.
6079 * mips.md (extv, extzv, insv expanders): Default modes for most
6080 operands. Handle TARGET_64BIT.
6081 (movdi_uld, movdi_usd): New patterns.
6083 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6084 equivalent memory location unless we have been provided a scratch
6085 register. Similarly do not call find_replacement unless a
6086 scratch register has been provided.
6088 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6090 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6093 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6095 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6096 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6097 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6098 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6099 * c-decl.c (init_decl_processing): Update accordingly.
6100 * expr.c (expand_builtin): Likewise.
6102 * rtl.h (global_rtl): Add cfa entry.
6103 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6104 (LAST_VIRTUAL_REGISTER): Update.
6105 * emit-rtl.c (global_rtl): Add cfa entry.
6106 (init_emit): Initialize it.
6107 * function.c (cfa_offset): New.
6108 (instantiate_virtual_regs): Initialize it.
6109 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6110 (expand_function_end): Call expand_eh_return.
6111 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6113 * except.c (current_function_eh_stub_label): Kill.
6114 (current_function_eh_old_stub_label): Likwise; update all references.
6115 (expand_builtin_set_return_addr_reg): Kill.
6116 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6117 (expand_builtin_set_eh_regs): Kill.
6118 (eh_regs): Produce a third reg for the actual handler address.
6119 (eh_return_context, eh_return_stack_adjust): New.
6120 (eh_return_handler, eh_return_stub_label): New.
6121 (init_eh_for_function): Initialize them.
6122 (expand_builtin_eh_return, expand_eh_return): New.
6123 * except.h: Update prototypes.
6124 * flow.c (find_basic_blocks_1): Update references to the stub label.
6125 * function.h (struct function): Kill stub label elements.
6127 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6128 register number is one that would be in the previous window.
6129 Provide a dummy definition for non-windowed targets.
6130 (get_reg_addr): New function.
6131 (get_reg, put_reg, copy_reg): Use it.
6132 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6133 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6135 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6136 (alpha_init_expanders): Initialize it.
6137 (alpha_expand_epilogue): Use it.
6138 * alpha.h: Declare it.
6139 * alpha.md (eh_epilogue): New.
6141 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6142 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6144 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6146 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6149 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6151 * except.h (struct eh_entry): Add false_label field.
6152 (end_catch_handler): Add prototype.
6153 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6154 (start_catch_handler): When using old style exceptions, issue
6155 runtime typematch code before continuing with the handler.
6156 (end_catch_handler): New function, generates label after handler
6157 if needed by older style exceptions.
6158 (expand_start_all_catch): No need to check for new style exceptions.
6159 (output_exception_table_entry): Only output the first handler label
6160 for old style exceptions.
6161 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6162 mechanism into one function, if a runtime matcher is provided.
6164 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6166 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6168 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6170 * integrate.c (copy_decl_list): Fix typo.
6172 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6174 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6177 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6179 * version.c: Bump for snapshot.
6181 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6183 * version.c: Bump for snapshot.
6185 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6187 * version.c: Bump for snapshot.
6189 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6191 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6193 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6195 * configure.in: remove usage of `!' to negate the result of a
6196 command; some common shells do not support it
6198 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6200 * configure.in: in sparc9-sol2 config, use 'if test' not
6202 * configure: Rebuilt.
6204 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6206 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6207 (CPP_CPU_DEFAULT_SPEC): Likewise.
6208 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6209 for arch64 libfuncs.
6211 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6214 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6216 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6218 * collect2.c: Don't declare `sys_siglist' here.
6219 (my_strsignal): Prototype and define new function. Use it in
6220 place of `sys_siglist' hacks.
6222 * mips_tfile.c: Likewise.
6224 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6225 (GCC_NEED_DECLARATIONS): Likewise.
6227 * system.h (strsignal): Prototype it, if necessary.
6228 (sys_siglist): Declare it, if necessary.
6230 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6232 * loop.c (move_movables): While removing insn sequences, preserve
6233 the next pointer of the most recently deleted insn when we skip
6236 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6238 * objc/config-lang.in: Do not output the name of the selected
6239 thread file when building the front-end. The Makefile for the
6240 runtime library will do this.
6242 * objc/Make-lang.in: Do not build the runtime library or install
6243 the Objective C header files. The Makefile for the runtime
6244 library will do this.
6246 * objc/Makefile.in (all.indirect): Only build the front-end.
6247 (compiler): Rename to `frontend'.
6248 (obj-runtime): Remove target.
6249 (copy-headers): Likewise.
6250 (clean): No need to remove `libobjc.a' any longer.
6252 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6254 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6255 supported with -mcpu=xxx.
6257 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6259 * flow.c (mark_set_1): Recognize multi-register structure return
6260 values in CALL insns.
6261 (mark_used_regs): Likewise.
6262 (count_reg_sets_1): Likewise.
6263 (count_reg_references): Likewise.
6264 * rtlanal.c (note_stores): Likewise.
6265 (reg_overlap_mentioned_p): Likewise.
6266 * haifa-sched.c (check_live_1): Likewise.
6267 (update_live_1): Likewise.
6268 (sched_analyze_1): Likewise.
6269 (sched_note_set): Likewise.
6270 (birthing_insn_p): Likewise.
6271 (attach_deaths): Likewise.
6273 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6276 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6278 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6280 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6282 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6284 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6286 * configure.in: Add check for GAS subsection -1 support.
6287 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6288 * configure config.in: Rebuilt.
6289 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6290 SImode is subsection -1 works, else use DImode.
6291 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6292 subsection -1 works.
6293 * config/sparc/sparc.c (sparc_output_addr_vec,
6294 sparc_output_addr_diff_vec): Use them if defined.
6296 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6298 * tree.h (DECL_ORIGIN): New macro.
6299 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6300 (copy_decl_list): Use it.
6301 (integrate_parm_decls): Likewise.
6302 (integrate_decl_tree): Likewise.
6303 * dwarf2out.c (decl_ultimate_origin): Simplify.
6304 * dwarfout.c (decl_ultimate_origin): Likewise.
6305 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6306 (pushdecl): Likewise.
6308 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6310 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6312 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6314 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6316 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6318 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6319 empty or has a single entry.
6321 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6322 before calling reg_to_stack.
6324 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6326 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6327 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6329 * c-tree.h (warn_long_long): Declare it.
6331 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6333 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6334 initialized float-int union if the value is a NaN.
6336 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6338 * c-lex.c (real_yylex): Don't warn about long long constants if
6339 we're allowing long long
6341 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6343 * except.h (current_function_eh_stub_label): Declare.
6344 (current_function_eh_old_stub_label): Declare.
6345 * function.h (struct function): New members eh_stub_label and
6347 * except.c (current_function_eh_stub_label): New variable.
6348 (current_function_eh_old_stub_label): New variable.
6349 (init_eh_for_function): Clear them.
6350 (save_eh_status): Save them.
6351 (restore_eh_status): Restore them.
6352 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6353 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6354 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6355 make an edge from the block that contains it to the block starting
6356 with the label if this label is one of the eh stub labels.
6357 If eh stub labels exist, show they are reachable from the last block
6360 * reload1.c (reload): Break out several subroutines and make some
6362 (calculate_needs_all_insns): New function, broken out of reload.
6363 (calculate_needs): Likewise.
6364 (find_reload_regs): Likewise.
6365 (find_group): Likewise.
6366 (find_tworeg_group): Likewise.
6367 (something_needs_reloads): New global variable, formerly in reload.
6368 (something_needs_elimination): Likewise.
6369 (caller_save_spill_class): Likewise.
6370 (caller_save_group_size): Likewise.
6371 (max_needs): Likewise.
6372 (group_size): Likewise.
6373 (max_groups): Likewise.
6374 (max_nongroups): Likewise.
6375 (group_mode): Likewise.
6376 (max_needs_insn): Likewise.
6377 (max_groups_insn): Likewise.
6378 (max_nongroups_insn): Likewise.
6379 (failure): Likewise.
6381 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6383 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6385 * loop.c (load_mems): Copy rtx for output mem.
6387 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6389 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6390 mips1 or mips2 either.
6392 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6394 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6396 (pa_adjust_insn_length): Update to work with new marking scheme
6397 for jumps inside switch tables.
6398 * pa.md (switch_jump): Remove pattern.
6399 (jump): Handle jumps inside jump tables.
6401 * Makefile.in (profile.o): Depend on insn-config.h
6403 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6405 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6407 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6409 Add preliminary native sparcv9 Solaris support.
6410 * configure.in: Recognize sparv9-*-solaris2*
6411 * configure: rebuilt
6412 * config.sub: Recognize sparcv9 just like sparc64.
6413 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6414 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6415 32-bit and 64-bit Solaris systems.
6416 * config/sparc/t-sol2: Assemble those with cpp.
6417 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6418 (*TF*_LIBCALL): If ARCH64 use V9 names.
6419 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6421 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6423 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6424 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6426 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6428 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6429 to Pmode if CASE_VECTOR_MODE is something else.
6431 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6433 * prefix.c (update_path): Correctly handle cases where PATH is
6434 a substring of the builtin prefix, but specifies a different
6437 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6439 * expr.c: Corrected comment about what MOVE_RATIO does.
6440 * config/alpha/alpha.h: Ditto.
6441 * config/1750a/1750a.h: Ditto.
6442 * config/clipper/clipper.h: Ditto.
6443 * config/i386/i386.h: Ditto.
6445 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6447 * configure.in (m68k-next-nextstep3*): Use collect2.
6448 Similarly for x86 NeXT configurations.
6449 * configure: Rebuilt.
6451 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6453 * configure.in: Don't assume srcdir is .../gcc
6454 * configure: Rebuilt.
6456 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6458 * global.c: Update comments.
6459 (global_alloc): Assign allocation-numbers
6460 even for registers allocated by local_alloc in case
6461 they are later spilled and retry_global_alloc is called.
6462 (mark_reg_store, mark_reg_clobber,
6463 mark_reg_conflicts, mark_reg_death): Always record a
6464 conflict with a pseudo register even if it has been
6465 assigned to a hard register.
6466 (dump_conflicts): Don't list pseudo registers already assigned to
6467 a hard register as needing to be allocated, but do list their
6469 * local-alloc.c: Update comment.
6471 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6473 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6474 * configure: Rebuilt.
6476 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6478 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6480 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6481 for all targets that set -msoft-float.
6483 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6485 * toplev.c (print_switch_values): Make static to match prototype.
6487 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6489 * configure.in: If we are unable to find the "gnatbind" program,
6490 then do not configure the ada subdir.
6491 * configure: Rebuilt.
6493 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6495 * version.c: Bump for snapshot.
6497 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6499 * version.c: Bump for snapshot.
6501 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6503 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6504 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6506 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6508 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6510 * genextract.c: Have insn-extract.c include toplev.h.
6512 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6514 * toplev.c: Include expr.h.
6515 (really_sorry, fancy_abort): Remove prototypes.
6516 (set_target_switch): Add argument in prototype.
6517 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6518 (v_really_sorry): Likewise.
6519 (print_version, print_single_switch, print_switch_values): Make
6520 static and add prototype arguments.
6521 (decl_printable_name): Add prototype arguments.
6522 (lang_expand_expr_t): New typedef.
6523 (lang_expand_expr): Declare as a lang_expand_expr_t.
6524 (incomplete_decl_finalize_hook): Add prototype argument.
6525 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6526 (botch): Likewise for variable `s'.
6527 (rest_of_type_compilation): Mark variables `type' and `toplev'
6528 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6529 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6530 (display_help): Make variable `i' an `unsigned long'.
6531 (main): Remove unused parameter `envp'.
6532 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6533 Cast -1 when comparing it with a `size_t'.
6535 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6536 prototype with ATTRIBUTE_NORETURN.
6537 (fatal_insn_not_found, fatal_insn, really_sorry,
6538 push_float_handler, pop_float_handler): Add prototypes.
6539 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6540 (do_abort, botch): Add prototypes.
6542 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6544 * final.c (final): If a label is reached only from a single jump,
6545 call NOTICE_UPDATE_CC on the jump and its predecessor before
6546 emitting the insn after the label.
6548 * i386.h: Add AMD K6 support.
6549 Change TARGET_* macros to use table lookup.
6550 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6551 (ADJUST_COST): Change definition to call function in i386.c.
6552 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6553 * i386.c: Add AMD K6 support.
6554 Add constants for feature tests used by TARGET_* macros.
6555 (split_di): If before reload, call gen_lowpart and gen_highpart.
6556 (x86_adjust_cost): New function.
6557 (put_jump_code): New function.
6558 (print_operand): New codes 'D' and 'd'.
6559 * i386.md: New insn types. New insn attribute "memory".
6560 Redefine scheduling parameters to use new types and add AMD K6
6561 support. Explicitly set type of most insns.
6562 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6563 Pro and K6 prefer movl $1,reg to incl reg.
6564 (adddi3, subdi3): Set cc_status.
6565 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6566 to int; x86 can't have more than 2^31 DImode shifts per file.
6567 (setcc): Combine all setcc patterns. Allow writing memory.
6568 Combine all jump patterns using match_operator.
6569 (*bzero): Name pattern. Emit mutliple stos instructions when that
6570 is faster than rep stos.
6571 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6574 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6576 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6579 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6581 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6582 not whatever we're generating now.
6584 * alpha.c (set_frame_related_p, FRP): New.
6585 (alpha_expand_prologue): Mark frame related insns.
6586 (alpha_expand_epilogue): Likewise, but with a null FRP.
6587 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6588 * alpha.md (exception_receiver): New.
6589 * alpha/crtbegin.asm (.eh_frame): New beginning.
6590 (__do_frame_setup, __do_frame_takedown): New.
6591 * alpha/crtend.asm (.eh_frame): New ending.
6592 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6593 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6594 (ASM_FILE_START): Don't emit .file for dwarf2.
6596 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6597 * rtl.c (reg_note_name): Likewise.
6598 * rtl.texi (REG_NOTES): Likewise.
6599 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6602 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6604 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6605 * i386.md (movsf, movdf, movxf): Validate memory address returned
6606 from force_const_mem. Kill useless REG_EQUAL setting code.
6608 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6610 * m68k.md (zero_extendsidi2): Fix typo.
6612 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6614 * configure.in: Removed references to the removed file
6615 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6616 * arm*-*-netbsd* and ns32k-*-netbsd*.
6617 * config/i386/xm-netbsd.h: Removed unnecessary file.
6618 * config/m68k/xm-netbsd.h: Likewise.
6619 * config/sparc/xm-netbsd.h: Likewise.
6620 * config/mips/xm-netbsd.h: Likewise.
6622 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6624 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6625 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6627 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6628 for exact section attributions.
6630 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6632 * i386/crtdll.h (CPP_PREDEFINES): Define.
6634 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6636 * m68k.md (5200 movqi): Do not allow byte sized memory references
6638 * m68k.c (output_move_qimode): Do not use byte sized operations on
6641 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6642 explicit rules for building. Similarly for alloca, vfprintf,
6643 choose-temp and mkstemp, getopt, getopt1, and obstack.
6644 (INCLUDES): Add $(srcdir)/../include.
6645 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6646 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6648 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6650 * gcc.c (do_spec_1): [case 'o'] Account for
6651 lang_specific_extra_outfiles.
6652 (main): Correctly clear all slots in outfiles for
6653 lang_specific_extra_outfiles. Set input_file_number before
6654 calling lang_specific_pre_link.
6656 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6658 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6660 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6662 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6664 (sparc_output_deferred_case_vectors): If no work to do, return.
6665 Fix thinko in Sept 1 change.
6667 1998-09-03 SL Baur <steve@altair.xemacs.org>
6669 * Makefile.in: add semicolon in BISON definition for portability.
6671 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6673 * config/nextstep.c (handle_pragma): Correct name of third
6676 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6678 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6679 * config/m32r/m32r.h: Make register 17 be fixed.
6680 * config/m32r/m32r.c: Use SImode for cc operations.
6682 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6684 * invoke.texi (Warning Options): Add -Wnon-template-friend
6687 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6689 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6691 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6693 * rs6000.md (movsf): Disable explicit secondary-reload-like
6694 functionality if TARGET_POWERPC64.
6695 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6698 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6700 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6701 and term.h from fixinc.wrap.
6703 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6705 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6706 safe to include both string.h and strings.h together.
6707 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6708 which headers to search for function declarations. Continue to
6709 prefer string.h over strings.h when both are not acceptable.
6711 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6713 * configure.in: Call GCC_HEADER_STRING.
6715 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6716 to include. Continue to prefer string.h over strings.h when both
6719 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6721 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6722 not assume top 32-bits of symbolic addresses are zero if
6725 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6727 * ginclude/va-alpha.h: Protect entire second portion of the
6728 file against double inclusion.
6730 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6732 Added support for the Boehm's garbage collector.
6733 * configure.in: Handle --enable-objc-gc.
6734 * configure: Rebuilt.
6735 * Makefile.in (CHECK_TARGETS): Add check-objc.
6736 (check-objc): New rule.
6737 * objc/Make-lang.in: Build a different Objective-C library that
6738 runs with the Boehm's collector.
6739 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6740 * objc/encoding.c: Correctly compute the size of compound types in
6741 the presence of bitfields. Skip the variable name of the type if
6742 any. Added support for long long.
6743 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6744 (_F_GCINVISIBLE): New mask.
6745 * objc/gc.c: New file. Compute the type memory mask associated with
6746 a class based on the runtime information.
6747 * objc/misc.c: Added the hooks that use the Boehm's collector
6748 allocation functions.
6749 * objc/objc-act.c (build_class_template): Generate a new class
6750 member (gc_object_type) to hold the class' type memory mask.
6751 (build_shared_structure_initializer): Initialize the new member to
6753 (encode_complete_bitfield): New function. Generate the new
6755 (encode_field_decl): Generate the new encoding only for the GNU
6757 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6759 (class_get_gc_object_type): New function to mark a pointer instance
6760 variable as a weak pointer.
6761 * objc/objc-features.texi: New file.
6762 * objc/objc.h (gc_object_type): New class member.
6763 * objc/objects.c (class_create_instance): Create a typed memory
6764 object when compiled with Boehm's collector support.
6765 * objc/sendmsg.c (__objc_init_install_dtable): Call
6766 __objc_send_initialize instead of setting the initialize flag.
6767 (__objc_send_initialize): Call __objc_generate_gc_type_description
6768 to generate the class type memory mask. Rewrite the code that
6769 sends the +initialize so that it is called only once (bug report
6770 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6771 * testsuite/objc: New testsuite for Objective-C type encoding.
6772 * testsuite/lib/objc-torture.exp: New file.
6773 * testsuite/lib/objc.exp: New file.
6775 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6777 * jump.c (jump_optimize): In if/then/else transformations, add
6778 another call to modified_between_p for the jump insn.
6780 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6782 * fix-header.c (symlink): Treat like readlink.
6784 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6786 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6789 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6791 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6792 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6793 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6795 * config/nextstep.c (handle_pragma): Take three arguments, as per
6796 the new HANDLE_PRAGMA macro specification.
6797 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6798 per the new HANDLE_PRAGMA macro specification.
6799 * config/i960/i960.c (process_pragma): Take three arguments, as
6800 per the new HANDLE_PRAGMA macro specification.
6802 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6804 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6805 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6806 if unknown pragmas are encountered.
6807 (handle_sysv_pragma): Interpret return code from
6808 handle_pragma_token (). Return success/failure indication rather
6809 than next unprocessed character.
6810 (pragma_getc): New function: retrieves characters from the
6811 input stream. Defined when HANDLE_PRAGMA is enabled.
6812 (pragma_ungetc): New function: replaces characters back into the
6813 input stream. Defined when HANDLE_PRAGMA is enabled.
6815 * c-pragma.c (handle_pragma_token): Return success/failure status
6818 * c-pragma.h: Change prototype of handle_pragma_token().
6820 * varasm.c: (handle_pragma_weak): Only create this function if
6821 HANDLE_PRAGMA_WEAK is defined.
6823 * c-common,c (decl_attributes): If defined call the expression
6824 contained within the INSERT_ATTRIBUTES macro before adding
6825 attributes to a decl.
6827 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6828 HANDLE_PRAGMA, which takes three arguments.
6829 (INSERT_ATTRIBUTES): Document this new macro.
6831 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6832 new INSERT_ATTRIBUTES macro.
6834 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6836 * config/sparc/sparc.md (movdf): Only generate special RTL for
6837 LABEL_REFs when PIC.
6838 (move_label_di): Remove
6839 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6840 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6841 references when PIC.
6842 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6843 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6844 output an .xword for all 64-bit cases.
6846 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6848 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6849 alignment, use FUNCTION_BOUNDARY instead.
6850 (sparc_output_deferred_case_vectors): Likewise.
6852 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6854 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6855 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6857 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6859 * alpha/va_list.h: New file.
6860 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6862 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6864 * NEWS: Add SCO Openserver and Unixware 7 notes.
6868 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6870 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6871 (record_constant_1): Handle RANGE_EXPR.
6873 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6875 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6876 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6877 and NOTE_INSN_RANGE_END specially.
6878 (reemit_notes): Likewise.
6880 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6882 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6883 (ultrasparc_sched_init): Remove unneeded &.
6885 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6887 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6888 for m68020-60, to prevent the use of fintrz.
6890 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6892 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6894 * Makefile.in: Likewise.
6895 * configure: Regenerated.
6897 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6899 * configure.in (gxx_include_dir): Changed to
6900 '${prefix}/include/g++'-${libstdcxx_interface}.
6901 * configure: Rebuilt.
6903 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6905 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6907 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6908 *sequences* *below* which scalar moves will be used.
6910 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6912 * collect2.c (mktemp): Delete unused declaration.
6914 * config/xm-netbsd.h: Remove unnecessary file.
6915 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6916 file anymore, it is not needed.
6918 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6920 * convert.c (convert_to_integer): Issue an error on conversions to
6923 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6925 * Makefile.in: Add lang_tree_files and gencheck.h.
6926 * configure.in: Generate them.
6927 * gencheck.c: Include gencheck.h.
6929 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6931 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6932 movdi_lo_sum_pic and movdi_high_pic and make visible.
6933 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6934 emit these when Pmode is not SImode.
6935 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6937 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6939 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6940 .linkonce directive after the first time.
6942 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6944 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6945 the clobbered operand overlaps with an input.
6946 (bne0_di): Similarly.
6948 * Makefile.in (INSTALL): Remove "--no-header" argument.
6950 * NEWS: Various updates.
6952 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6954 * config/sparc/sparc.c (arith_operand, const64_operand,
6955 const64_high_operand, arith_double_4096_operand): Mark mode as
6957 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6959 (sparc_emit_set_const64): Remove unused variable i.
6960 (sparc_splitdi_legitimate): Likewise for addr_part.
6961 (ultra_code_from_mask): Likewise for mask.
6962 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6963 reverse return values so it matches usage and comments.
6964 (ultra_flush_pipeline): Likewise.
6965 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6966 this_type, and allow loads and stores of differing FP modes as
6967 they do not create a conflict.
6968 (ultra_find_type): Initialize fpmode to SFmode, fix
6969 parenthesization thinkos in large conditional.
6970 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6971 Init free_slot_mask after ultra_cur_hist is reset, not before.
6972 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6973 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6974 use ultra_flush_pipeline instead, then re-init group pointer.
6975 Fix statement with no effect. If no progress made in, and no
6976 instructions scheduled at all, advance to new pipeline cycle else
6977 we get into an endless loop.
6978 (ultrasparc_adjust_cost): Remove previous arg.
6979 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6981 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6983 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6984 code. Use reg_overlap_mentioned_p to detect when source and
6985 destination overlap.
6986 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6988 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6990 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6991 COMPARISON_VAL, into invariant_p.
6993 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6995 * regmove.c (regclass_compatible_p): New function.
6996 (regmove_optimize): Use it.
6998 Use NREGS parameter insted of calling max_reg_num.
7000 (fixup_match_1): Don't use code = MINUS when later tieing with
7001 a hard register is likely.
7003 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7005 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7006 COMPARISON_VAL was normalized.
7008 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7010 * loop.c (check_dbra_loop): The loop ending comparison value
7011 must be an invariant or we can not reverse the loop.
7013 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7014 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7016 (load_mems_and_recount_loop_regs_set): Likewise.
7018 * i386.c (print_operand): Remove obsolete 'c' docs.
7020 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7022 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7023 * frame.c (init_object_mutex): New function.
7024 (init_object_mutex_once): Likewise.
7025 (find_fde): Call it.
7026 (__register_frame_info): Likewise.
7027 (__register_frame_info_table): Likewise.
7028 (__deregister_frame_info): Likewise.
7030 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7032 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7034 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7036 * loop.c (check_dbra_loop): Enable code for reversal
7037 of some loops without a known constant loop end.
7039 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7041 * haifa-sched.c (last_clock_var): New.
7042 (schedule_block): Initialize it.
7043 (schedule_insn): Use it to fill insn modes with issue information.
7045 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7046 Tag trapb and next insn with TImode.
7047 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7048 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7049 Invoke alphaev5_align_insns as appropriate.
7050 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7051 (MD_SCHED_VARIABLE_ISSUE): New.
7052 * alpha.md (attr type): Add multi.
7053 (define_asm_attributes): New.
7054 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7055 (arg_home): Likewise.
7056 (fnop, unop, realign): New.
7058 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7060 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7061 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7063 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7064 (rs6000-ibm-aix4.[12]*): Likewise.
7065 * configure: Regnerate.
7067 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7069 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7070 already contains the return address.
7072 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7074 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7075 word sized hunks when loading unaligned args into registers.
7077 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7078 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7080 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7082 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7084 * loop.c (check_dbra_loop): Add some code that would allow reversal
7085 of some loops without a known constant loop end if it were enabled.
7087 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7089 * mips.md (lshrsi3_internal2+2): Fix type-o.
7091 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7093 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7094 correctly with regards to stdio.h.
7096 * calls.c: Remove stdarg.h/varargs.h.
7099 * combine.c: Likewise.
7100 * cpperror.c: Likewise.
7101 * cpplib.c: Likewise.
7102 * cpplib.h: Likewise.
7103 * doprint.c: Likewise.
7104 * emit-rtl.c: Likewise.
7105 * final.c: Likewise.
7106 * fix-header.c: Likewise.
7108 * genattr.c: Likewise.
7109 * genattrtab.c: Likewise.
7110 * gencodes.c: Likewise.
7111 * genconfig.c: Likewise.
7112 * genemit.c: Likewise.
7113 * genextract.c: Likewise.
7114 * genflags.c: Likewise.
7115 * genopinit.c: Likewise.
7116 * genoutput.c: Likewise.
7117 * genpeep.c: Likewise.
7118 * genrecog.c: Likewise.
7119 * mips-tfile.c: Likewise.
7120 * prefix.c: Likewise.
7121 * protoize.c: Likewise.
7122 * regmove.c: Likewise.
7123 * toplev.c: Likewise.
7126 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7128 * config/sparc/sparc.c (sparc_override_options): If not
7129 TARGET_FPU, turn off TARGET_VIS.
7130 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7131 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7132 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7133 (movdi_insn_sp64): Add VIS fzero alternative.
7134 (clear_sf, clear_df): New VIS patterns.
7135 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7137 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7139 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7141 * loop.c (n_times_set, n_times_used, may_not_optimize,
7142 reg_single_usage): Convert to varrays. All uses changed.
7143 (insert_loop_mem): Return a value.
7144 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7145 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7148 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7151 * configure.in: Do not set thread_file to "irix" since no such
7154 * sparc.md (float abs/neg splits): Check reload_completed before
7155 calling alter_subreg.
7157 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7159 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7161 * config/sparc/sparc.h: Declare it.
7162 * config/sparc/sparc.md (float abs/neg splits): Use it.
7163 (all other splits): Handle SUBREGs properly where necessary.
7164 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7166 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7168 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7169 an insn on the unfilled_slots_list that has no delay slots.
7170 (fill_eager_delay_slots): Similarly.
7172 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7174 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7175 as an ordinary operand.
7177 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7179 * tree.c (valid_machine_attribute): Don't apply attributes to both
7182 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7184 * reload.c (operands_match_p): Handle rtvecs.
7186 * i386.c (legitimate_pic_address_disp_p): New.
7187 (legitimate_address_p): Use it.
7188 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7189 Handle constant pool symbols just like statics.
7190 (emit_pic_move): Use Pmode not SImode for clarity.
7191 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7192 [UNSPEC]: New, handling what we killed above.
7193 [PLUS]: Detect and abort on invalid symbol arithmetic.
7194 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7196 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7198 * alias.c: Include output.h.
7199 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7200 different if we're in a varargs function.
7201 * Makefile.in (alias.o): Depend on output.h
7203 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7205 * sh.h (GIV_SORT_CRITERION): Delete.
7207 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7209 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7210 * stupid.c (stupid_life_analysis): Ditto.
7211 * reload1.c (reload): Ditto.
7213 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7215 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7216 arith_double_4096_operand, arith_double_add_operand): New
7218 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7219 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7220 them to transform add/sub 4096 into add/sub -4096.
7222 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7224 * loop.c (scan_loop): Allocate some slop to handle pseudos
7225 generated by move_movables.
7226 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7229 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7231 * tree.def (DECL_RESULT): Correct documentation.
7233 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7235 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7236 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7237 conflicts will all RELOAD_FOR_OUTPUT reloads.
7239 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7240 loads the function result, substitute with a USE.
7242 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7244 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7245 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7246 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7247 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7248 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7249 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7251 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7252 'o' to 'm' for GPR variant constraints.
7254 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7256 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7258 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7260 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7261 when the source and destination overlap.
7263 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7264 clash with global type.
7266 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7268 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7270 * c-common.c (combine_strings): Also set TREE_READONLY.
7271 Change warn_write_strings to flag_const_strings.
7272 * c-decl.c, c-tree.h: Likewise.
7274 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7276 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7277 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7278 sequence, use SET/IOR instead so CSE can see it.
7279 * config/sparc/sparc.md (movhi_const64_special,
7280 movsi_const64_special): New patterns necessitated by that change.
7281 (movhi_high): Remove.
7282 (movhi_lo_sum): Change to match an IOR.
7283 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7284 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7285 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7286 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7287 registers are involved.
7288 (snesi_zero_extend split): Remove reload_completed test.
7289 (unnamed plus and minus zero_extend sidi splits): Add it.
7291 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7293 * extend.texi: Remove description of extension to explicit
7294 instantiation that is now endorsed by standard C++.
7296 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7298 * config/arc/arc.c (arc_initialize_pic): Remove.
7299 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7300 nothing on any platform and is invoked by no-one, it does not even
7301 appear in the documentation.
7302 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7303 * config/sparc/sparc.c (initialize_pic): Likewise.
7304 (find_addr_reg): Remove this as well, no longer referenced after
7307 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7309 * recog.c (validate_replace_rtx_group): New function.
7310 * recog.h (validate_replace_rtx_group): Declare it.
7311 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7312 the entire group of substitutions.
7314 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7316 * loop.c (load_mems): Fix initializers.
7318 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7320 * config/sparc/sparc.md (TFmode splits): Handle destination
7321 registers being referenced in the address correctly.
7323 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7324 TREE_UNSIGNED, when bitsize of type's mode is larger than
7325 HOST_BITS_PER_WIDE_INT.
7327 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7329 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7330 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7331 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7333 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7336 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7338 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7339 * h8300.h (TINY_DATA_NAME_P): Likewise.
7340 (STRIP_NAME_ENCODING): Handle '&'.
7342 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7343 register (it could be accessed via an outer SUBREG).
7344 (REG_OK_FOR_BASE_P): Likewwise.
7345 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7347 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7350 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7352 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7354 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7355 must be offsettable so the splits can be made.
7357 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7359 * config/i386/winnt.c: Include system.h, not stdio.h to get
7360 sys/param.h pulled in before rtl.h in case the system defines MIN
7363 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7365 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7367 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7369 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7371 * cpplib.c (cpp_define): Handle macros with parameters.
7373 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7375 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7376 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7377 and DImode 64-bit. Use llong for minimal-toc SFmode and
7378 SYMBOL_REF / LABEL_REF 64-bit.
7379 (output_function_profiler): Use llong for profiler label and ld to
7380 load 64-bit label address.
7382 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7384 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7387 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7389 * version.c: Bump for snapshot.
7391 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7393 * version.c: Bump for snapshot.
7395 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7397 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7399 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7401 * tm.texi (Misc): Fix typo "teh".
7403 * tm.texi (PIC): Fix typo "PPIC".
7405 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7406 effect when -O2 and higher.
7407 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7409 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7411 * regclass.c: Changed register set documentation to be consistent
7414 * final.c (final_start_function) Removed redundant test for
7417 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7419 * rtl.h (rtx_function): New type.
7420 (for_each_rtx): New function.
7421 * rtlanal.c (for_each_rtx): Define it.
7423 * recog.c (change_t): New type.
7424 (change_objects, change_old_codes, change_locs, change_olds):
7426 (changes): New variable.
7427 (validate_change): Dynamically allocate room for more changes, if
7428 necessary. Uses changes array instead of change_objects, etc.
7429 (apply_change_group): Use changes array instead of
7430 change_objects, etc.
7432 * loop.c (loop_mem_info): New type.
7433 (loop_mems): New variable.
7434 (loop_mems_idx): Likewise.
7435 (looop_mems_allocated): Likewise.
7436 (scan_loop): Remove nregs parameter.
7437 (next_insn_in_loop): New function.
7438 (load_mems_and_recount_loop_regs_set): Likewise.
7439 (load_mems): Likewise.
7440 (insert_loop_mem): Likewise.
7441 (replace_loop_mem): Likewise.
7442 (replace_label): Likewise.
7443 (INSN_IN_RANGE_P): New macro.
7444 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7445 (scan_loop): Remove nregs parameter, compute it after any new
7446 registers are created by load_mems. Use INSN_IN_RANGE_P and
7447 next_insn_in_loop rather than expanding them inline. Call
7448 load_mems to load memory into pseudos, if appropriate.
7449 (prescan_loop): Figure out whether or not there are jumps from the
7450 loop to targets other than the label immediately following the
7451 loop. Call insert_loop_mem to notice all the MEMs used in the
7452 loop, if it could be safe to pull MEMs into REGs for the duration
7454 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7456 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7458 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7460 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7462 * config/sparc/sparc.c (finalize_pic): Check for the correct
7463 nonlocal_goto_receiver UNSPEC number.
7464 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7465 making note of this dependency existing in sparc.c
7466 (negtf2_notv9 split): Give NEG SFmode.
7467 (negsf2): Fix insn output string.
7469 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7471 * c-common.c (decl_attributes): Issue an error if the argument
7472 to alias is not a string.
7474 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7476 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7477 pending memory flush list.
7479 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7481 (try_combine): Allow combining insns with REG_LIBCALL notes.
7483 * expr.c (emit_block_move): Do not call memcpy as a libcall
7484 instead build up a CALL_EXPR and call it like any other
7486 (clear_storage): Similarly for memset.
7488 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7491 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7494 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7495 and REG_LIVE_LENGTH as successful substitutions are made.
7497 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7499 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7500 statement after end of loop label.
7502 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7504 * config/sparc/sparc.c (ultra_types_avail): New variable.
7505 (ultra_build_types_avail): New function to record mask of insn
7506 types in ready list at this cycle.
7507 (ultrasparc_sched_reorder): Call it.
7508 (ultra_find_type): Use it to quicken the search. Also simplif
7509 dependency check, don't use rtx_equal_p because we know exactly
7510 what we are looking for.
7512 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7514 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7515 for architecture v4.
7517 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7519 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7521 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7522 movdf_const_intreg and helper splits): New patterns to move float
7523 constants into integer registers.
7524 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7527 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7530 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7532 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7534 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7535 a BASE_REGS register is needed as an intermediate when copying
7536 a symbolic value into any register class other than BASE_REGS.
7538 * expr.c (move_by_pieces): No longer static. Remove prototype.
7539 * rtl.h (move_by_pieces): Add extern prototype.
7540 * mips.c (expand_block_move): Handle aligned straight line copy by
7541 calling move_by_pieces.
7543 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7546 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7548 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7549 jumps out of the loop to be treated as part of the exit test.
7551 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7552 Jeff Law <law@cygnus.com>
7554 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7555 * cplus-dem.c: Delete.
7557 * Makefile.in (fold-const.o): depend on $(RTL_H).
7559 * fold-const.c: Include rtl.h to get the prototype for
7560 `set_identifier_local_value'.
7562 * loop.c (express_from_1): Remove unused variable `tmp'.
7563 (combine_givs): cast the first argument of bzero to char *.
7565 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7567 * c-decl.c (init_decl_processing): Remove unneeded &.
7569 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7571 * except.c (set_exception_lang_code, set_exception_version_code):
7572 Change parameter from `short' to `int' to avoid using a gcc
7575 * except.h (set_exception_lang_code, set_exception_version_code):
7576 Likewise for prototypes.
7578 * flow.c (count_reg_references): Remove unused variables `regno'
7581 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7583 * prefix.c (translate_name): Cast the result of `alloca'.
7585 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7587 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7589 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7591 (valid_dbcc_comparison_p): Mark mode argument as unused.
7592 (symbolic_operand): Likewise.
7593 (legitimize_pic_address): Likewise.
7594 (const_uint32_operand): Likewise.
7595 (const_sint32_operand): Likewise.
7596 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7597 schedule_insns and comment out rest of file.
7599 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7601 (output_move_[hq]imode): Likewise.
7603 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7605 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7606 * invoke.texi: Corresponding changes.
7608 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7610 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7612 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7614 * config/sparc/sparc.c (ultra_code_from_mask,
7615 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7616 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7617 ultrasparc_sched_init, ultrasparc_variable_issue,
7618 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7619 functions to describe UltraSPARC pipeline exactly to Haifa.
7620 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7621 as there is nothing the scheduler can do about it. Indicate that
7622 REG_DEP_OUTPUT's collide. Fixup formatting.
7623 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7624 divide costs on Ultra for DImode.
7625 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7627 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7628 ieuN and add call_no_delay_slot to type list.
7629 (cti function unit): New unit for branches on UltraSPARC.
7630 (subx/addx insns): Set type to misc.
7631 (sidi zero/sign extension insns on arch64): Set type to shift.
7632 (sign_extendhidi2_insn): Set type to sload.
7634 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7636 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7637 (output_epilog): Use if != 0 for offset.
7638 (rs6000_fatal_bad_address): Prepare for Intl.
7639 * rs6000.h (rs6000_fatal_bad_address): Declare.
7640 * rs6000.md (movsfcc, movdfcc): Use else if.
7641 (elf_high): Use {liu|lis}.
7642 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7643 (movsi): Use rs6000_fatal_bad_address.
7645 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7647 * reload.c (find_equiv_reg): Reject equivalences separated
7648 by a volatile instruction.
7650 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7652 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7654 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7656 * alpha.md (movsicc): Fix mode mismatch.
7658 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7660 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7662 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7664 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7666 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7667 write-only modifier from operand 1 constraint.
7669 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7671 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7672 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7674 (sparc_emit_set_const64): Likewise, also when computing trailing
7675 bits do not negate low_bits and make fast_int an int.
7677 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7679 * loop.c (add_label_notes): Do not ignore references to labels
7680 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7681 * gcse.c (add_label_notes): Similarly.
7683 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7685 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7686 (adddi_dishl32): Similarly.
7688 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7690 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7691 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7692 * cse.c (cse_basic_block): Add parens to shut up warnings.
7694 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7696 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7697 sparc_emit_set_const64_longway, const64_is_2insns,
7698 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7699 in 64-bit constant formation.
7700 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7701 rtl for addx not subx.
7702 (define_insn movdi_const64_special): Make available even when
7703 HOST_BITS_PER_WIDE_INT is not 64.
7704 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7705 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7706 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7707 instances of operand 1 inside a QI subreg.
7708 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7709 (one_cmpldi2_sp64): Fix output string.
7710 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7712 (unnamed arch64 ashift DI): Truncate shift count if greater than
7715 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7717 * expr.c (store_expr): Don't optimize away load-store pair
7718 when either source or destination have a side effect.
7720 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7722 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7723 operands of SET are incompatible.
7725 * alpha.md: Fix max and min patterns so modes of SET operands match.
7727 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7729 * configure.in: Avoid [[ by using test and changequote.
7730 * configure: Rebuild.
7732 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7734 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7736 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7737 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7738 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7739 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7740 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7741 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7742 Fix mismatching modes in SET operands.
7743 (conditional move patterns): Fix formatting.
7744 (unnamed subx arch64 pattern): Remove duplicate insn.
7746 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7748 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7749 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7750 (input_operand): Fixup test for what we accept for constant
7752 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7754 (safe_constDI): Remove.
7755 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7756 gen_safe_XOR64): New functions.
7757 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7758 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7760 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7761 available when HOST_BITS_PER_WIDE_INT is not 64.
7762 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7763 move before movdi_insn_sp64 pattern.
7764 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7765 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7766 symbolic_operand as predicate for second operand.
7767 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7768 expander): Give set VOIDmode.
7770 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7772 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7774 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7776 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7778 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7780 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7782 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7784 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7786 * install.texi: Various SCO OpenServer tweaks.
7788 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7790 * reload1.c (eliminate_regs_in_insn): Handle another case when
7791 eliminating the frame pointer to the hard frame pointer. Add
7792 missing ep->to_rtx check to one existing case.
7794 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7796 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7798 * tree.h: De-conditionalize init_priority code.
7800 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7801 * collect2.c (NM_FLAGS): Change from -p to -n.
7803 * configure.in: Turn on collect2 for mipstx39-elf.
7804 Handle use_collect2=no properly.
7806 * c-common.c: De-conditionalize init_priority code.
7807 * collect2.c (extract_init_priority, sort_ids): New fns.
7808 (main): Call sort_ids.
7809 Move sequence_number to file scope.
7811 * configure.in: Handle --enable-init-priority.
7812 * c-common.c (attrs): Add A_INIT_PRIORITY.
7813 (init_attributes, decl_attributes): Likewise.
7814 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7815 * tree.c (get_file_function_name_long): Split out...
7816 (get_file_function_name): ...from here.
7818 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7820 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7823 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7825 * toplev.c (display_help): Add braces to shut up warnings.
7826 * tree.c (simple_cst_equal): Likewise.
7828 * fold-const.c (non_lvalue): Don't deal with null pointer
7830 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7832 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7833 of any size to a pointer.
7835 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7837 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7839 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7841 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7842 which will be saved.
7843 * mn10300.md (prologue insn): Only save registers which need saving.
7844 (epilogue insn): Similarly.
7846 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7849 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7851 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7852 VAR_DECL's in gp addressable sections.
7854 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7856 * sparc.c: Change return <exp> to <exp>; return; in functions
7858 * sparc.md: Add empty semicolon statement after final label in
7861 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7863 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7864 addx_extend_sp64, only allow when TARGET_ARCH64.
7865 (define_insn addx_extend_sp32 and split): Version that works when
7867 (define_insn subx_extend): Likewise.
7868 (define_split adddi3 and subdi3 with zero extension): Fixup and
7869 correct bugs when not TARGET_ARCH64.
7871 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7873 * except.c (set_exception_lang_code, set_exception_version_code):
7874 Use prototype-style definition if __STDC__, to match declaration
7877 * genemit.c: Change FAIL and DONE macros not to use loops.
7879 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7881 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7882 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7884 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7886 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7888 * README.g77: Update from Craig.
7890 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7892 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7894 (safe_constDI sparc_emit_set_const64_quick1,
7895 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7896 analyze_64bit_constant, const64_is_2insns,
7897 create_simple_focus_bits): Fix some bugs when compiled on real
7899 (function_arg_record_value_3, function_arg_record_value_2,
7900 function_arg_record_value): Add fully prototyped forward decls.
7901 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7902 to cmpsi_insn and use on both 64 and 32 bit targets.
7903 (define_insn cmpsi_insn_sp64): Remove.
7904 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7905 (define_insn zero_extendsidi2_insn): Rename to
7906 zero_extendsidi2_insn_sp64.
7907 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7908 assosciated forced split for it.
7910 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7912 * config/sparc/sparc.h: Declare them.
7913 (PREDICATE_CODES): Add them.
7914 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7915 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7917 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7919 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7920 in v9 case as the latter makes the Solaris assembler crash.
7922 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7924 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7925 for TFmode when !v9. We require offsettable memory addresses.
7926 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7927 DFmode register number conversions.
7928 * config/sparc/sparc.md (define_split DFmode moves): If register
7929 is a SUBREG do alter_subreg on it before using.
7930 (define_expand movtf): Fixup comment about alignment on v9.
7931 (define_split TFmode moves): Don't use gen_{high,low}part, create
7932 explicit SUBREGs instead.
7934 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7936 * Makefile.in (mbchar.o): Depend on mbchar.c.
7938 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7939 Richard Henderson <rth@cygnus.com>
7941 Rewrite Sparc backend for better code generation and
7942 improved sparc64 support.
7943 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7945 * config/sparc/sysv4.h: Likewise.
7946 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7947 move_operand, v8plus_regcmp_op, emit_move_sequence,
7948 singlemove_string, doublemove_string, mem_aligned_8,
7949 output_move_double, output_move_quad, output_fp_move_double,
7950 move_quad_direction, output_fp_move_quad, output_scc_insn):
7952 (small_int_or_double): New predicate.
7953 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7954 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7955 old pic_{sethi,lo_sum}_si patterns.
7956 (mem_min_alignment): New generic function to replace
7957 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7958 available and can test for arbitrary alignments. All callers
7960 (save_regs, restore_regs, build_big_number,
7961 output_function_prologue, output_cbranch, output_return,
7962 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7963 sparc_flat_output_function_epilogue): Prettify
7965 (output_function_epilogue): Likewise and add code to output
7966 deferred case vectors.
7967 (output_v9branch): Likewise, add new arg INSN and use it to tack
7968 on branch prediction settings. All callers changed.
7969 (print_operand): Likewise and output %l44 for LO_SUMs when
7971 (sparc_splitdi_legitimate): New function to make sure DImode
7972 splits can be run properly when !arch64.
7973 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7974 Reformat example code in comments.
7975 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7976 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7977 of deferred case vectors we need to output.
7978 (sparc_defer_case_vector): Record a case vector.
7979 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7980 sparc_output_deferred_case_vectors): New functions to output them.
7981 (sparc_emit_set_const32): New function to form 32-bit constants in
7982 registers when that requires more than one instruction.
7983 (safe_constDI, sparc_emit_set_const64_quick1,
7984 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7985 analyze_64bit_constant, const64_is_2insns,
7986 create_simple_focus_bits, sparc_emit_set_const64): New functions
7987 which do the same for 64-bit constants when arch64.
7988 (sparc_emit_set_symbolic_const64): New function to emit address
7989 loading for all code models on v9.
7990 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7991 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7992 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7993 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7994 inaccuracies in comments, add symbolic and text_segment operands
7995 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7996 GENERAL_REGS in these cases as a temp REG is needed to load these
7997 addresses into a register properly.
7998 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8000 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8001 quads are guarenteed to have 16-byte alignment.
8002 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8003 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8004 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8005 deferred case vector implementation.
8006 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8007 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8008 Generate "internal label - label" instead of "label - 1b".
8009 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8010 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8011 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8013 (doublemove_string, output_block_move, output_fp_move_double,
8014 output_fp_move_quad, output_move_double, output_move_quad,
8015 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8016 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8017 (sparc_emit_set_const32, sparc_emit_set_const64,
8018 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8019 mem_min_alignment, small_int_or_double): Add externs.
8020 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8021 UNSPEC_VOLATILE in this backend.
8022 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8023 unary to types which execute in it.
8024 (define_function_unit ieu_shift): Rename to ieu0.
8025 (define_function_unit ieu1): New, executes compare, call, and
8026 uncond_branch type insns.
8027 (define_function_units for type fdivs, fdivd, fsqrt): These
8028 execute in the fpu multiply unit not the adder on UltraSparc.
8029 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8030 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8031 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8032 allows the arith_double_operand predicate and rHI constraint when
8034 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8035 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8036 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8037 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8038 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8039 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8040 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8041 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8042 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8043 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8044 sign_extendqihi2_insn, sign_extendqisi2_insn,
8045 sign_extendqidi2_insn, sign_extendhidi2_insn,
8046 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8047 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8048 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8049 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8050 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8051 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8052 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8053 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8054 smulsi3_highpart_v8plus, unnamed subreg mult,
8055 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8056 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8057 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8058 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8059 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8060 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8061 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8062 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8063 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8064 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8065 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8066 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8067 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8068 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8069 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8070 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8071 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8072 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8073 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8074 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8075 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8076 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8077 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8078 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8079 call_address_untyped_struct_value_sp32,
8080 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8081 call_value_symbolic_sp32, call_value_address_sp64,
8082 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8083 flush_register_windows, goto_handler_and_restore,
8084 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8085 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8086 return_addsi, return_di, return_adddi, return_sf, all call+jump
8087 peepholes, trap, unnamed trap insns): Prettify output strings.
8088 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8089 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8090 Likewise and force + implement splits for integer cases.
8091 (define_insn return_sf_no_fpu): Likewise and allow to match when
8092 no-fpu because of our subreg SFmode splits.
8093 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8094 zero_extendqidi2_insn, zero_extendhidi2_insn,
8095 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8096 input_operand for second operand.
8097 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8098 reg_or_0_operand for operand 2 so new splits can use it.
8099 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8100 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8102 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8103 CONST_DOUBLEs for operand 2.
8104 (define_insn move_label_di): Likewise and label distance
8105 optimization because it no longer works with new deferred case
8106 vector scheme. To be revisited.
8107 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8108 and allow reg_or_0_operand and J constraint for second operand.
8109 (define_insn jump): Set branch predict taken on V9.
8110 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8111 new deferred case vector scheme.
8112 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8113 (define_insn negdi2_sp32): Force + implement splits.
8114 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8115 one_cmplsi2_not_liveg0 respectively, and create expander of original
8116 names which emit special rtl for TARGET_LIVE_G0.
8117 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8118 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8119 gen_compare_reg, FAIL instead.
8120 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8121 values when trying to reverse condition codes, if they FAIL then
8123 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8124 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8125 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8126 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8127 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8128 set output string to # to indicate they are mandatory splits.
8129 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8130 pic_sethi_di, move_pic_label_si): Remove.
8131 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8132 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8134 (define_expand movsi_pic_label_ref, define_insn
8135 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8136 expander and insns to handle PIC label references and deferred
8138 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8140 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8141 Rewrite to not use emit_move_sequence, make use of new constant
8142 formation code, and new splits for all multi-insn cases.
8143 (define_insn movqi_insn): Remove sethi case, it can never happen.
8144 Use reg_or_zero_operand instead of const0_rtx explicit test,
8145 use input_operand instead of move_operand for source, and use
8146 general_operand now for dest.
8147 (define_insn movhi_insn): Similar but leave sethi case.
8148 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8149 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8150 movhi_lo_sum respectively, prettify output string.
8151 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8152 register when needed on TARGET_LIVE_G0.
8153 (define_insn movsi_insn): Use general_operand and input_operand
8154 for dest and src respectively. Simplify applicability test.
8155 Prettify output strings, and add clr alternative for J
8157 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8158 deprecated std and reg-reg DI moves): Remove and...
8159 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8160 implementation which uses forced splits for all non-single insn
8162 (define_split DI move cases on !arch64): New splits to handle all
8163 situations of 64-bit double register DImode on 32bit, and
8164 unaligned registers and memory addresses for all subtargets.
8165 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8167 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8168 input_operand for dest and src respectively, prettify output
8170 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8171 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8173 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8174 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8175 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8176 movtf_no_e_insn_sp64) Replace with new
8177 implementation which uses forced splits for all non-single insn
8179 (define_split DF move cases): New splits in similar vein to DI
8181 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8182 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8183 movdi_sp64_insn): Remove old v9 code model and constant loading
8185 (define_insn pic_lo_sum_di, pic_sethi_di,
8186 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8187 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8188 embmedany_sethi, embmedany_losum, embmedany_brsum,
8189 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8190 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8191 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8192 scheme, using unspecs, secondary reloads, and one to one sparc
8193 insn to rtl insn mapping for better scheduling and code gen.
8194 (define_expand reload_indi, reload_outdi): Reload helpers for
8195 MEDANY and EMBMEDANY symbol address loading cases which require a
8197 (define_expand movsicc): Remove v8plus_regcmp cases.
8198 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8199 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8200 cmp_diqi_trunc_set): New patterns used by some of the new scc
8202 (define_insn xordi3_sp64_dbl): New pattern used for constant
8203 formation when crossing from 32-bit targets.
8204 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8206 (define_insn addx, subx): Make visible and prettify.
8207 (define_insn adddi3_insn_sp32): Likewise and force split.
8208 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8209 64bit scc split usage.
8210 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8211 zero_extend, subdi3): Force and implement splits.
8213 * final.c (final_scan_insn): Don't output labels if target
8214 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8217 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8218 don't forget to walk inside SEQUENCESs too as these are what the
8219 delay slot scheduler will create.
8221 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8223 * alpha.md (extxl+1,+2): New patterns to work around
8226 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8228 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8229 caused bad assembly code to be generated.
8231 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8233 * netbsd.h: Fix typo.
8235 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8237 * config.sub: Fix typo.
8239 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8241 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8243 (Running Protoize): Typo: Change "ther" into "other".
8245 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8247 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8248 * m68k/netbsd.h: Likewise.
8249 * ns32k/netbsd.h: Likewise.
8250 * sparc/netbsd.h: Likewise.
8252 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8254 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8255 * ginclude/va-clipper.h (va_list): Likewise.
8257 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8259 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8260 load/store multiple instructions unless user overrides.
8262 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8264 * ns32k/netbsd.h: Fix typo.
8266 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8268 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8269 labels with .debugsym if no parallel insns.
8271 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8273 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8274 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8276 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8278 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8279 (AR_FOR_TARGET): Define.
8281 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8283 * dyn-string.h: New file.
8284 * dyn-string.c: Likewise.
8285 * Makefile.in (OBJS): Add dyn-string.o.
8286 (dwarf2out.o): Add dyn-string.h dependency.
8287 (dyn-string.o): List dependencies.
8288 * dwarf2out.c: Include dyn-string.h.
8289 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8290 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8291 prototype. Use dyn_string_append rather than strcat, throughout.
8292 (addr_to_string): Use dyn_string_t.
8294 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8296 Function entry/exit profiling instrumentation:
8297 * expr.h (profile_function_entry_libfunc,
8298 profile_function_exit_libfunc): Declare new variables.
8299 * optabs.c: Define them here.
8300 (init_optabs): Initialize them.
8301 * tree.h (struct tree_decl): New flag
8302 no_instrument_function_entry_exit.
8303 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8304 * c-decl.c (duplicate_decls): Merge it.
8305 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8306 (init_attributes): Use it for "no_instrument_function".
8307 (decl_attributes): Handle it, for functions that have not yet been
8308 compiled. Set decl flag.
8309 * flags.h (flag_instrument_function_entry_exit): Declare new
8311 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8312 (f_options): New option "instrument-functions".
8313 * function.h (struct function): New field instrument_entry_exit.
8314 * function.c (current_function_instrument_entry_exit): New
8316 (push_function_context_to, pop_function_context_from): Save and
8318 (expand_function_start): Set current_ variable, maybe emit return
8319 label and entry profile call.
8320 (expand_function_end): Maybe emit exit profile call.
8322 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8324 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8325 NON_QI_REG_P, pretend the register is SImode.
8327 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8329 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8330 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8331 manufacturer id for ns32k.
8332 * configure: Regenerated.
8333 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8334 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8335 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8336 * config/m68k/netbsd.h: Same.
8337 * config/ns32k/netbsd.h: Same.
8338 * config/sparc/netbsd.h: Same.
8340 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8342 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8343 or UNROLL_COMPLETELY loop that starts with a jump to its
8346 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8348 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8349 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8350 (print_operand, case 'B'): Don't fall through.
8351 (print_operand, case 'S'): Correct mask begin/end computation.
8352 Use HOST_BITS_PER_WIDE_INT.
8353 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8354 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8355 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8356 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8358 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8360 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8361 constraint from second alternative.
8363 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8365 * configure.in: Fix --without/--disable cases for local-prefix,
8366 gxx-include-dir and checking.
8368 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8370 * configure.in (enable_haifa): Set by default for sparc64 too.
8373 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8375 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8376 * i386/winnt.c (associated_type): New fn.
8377 (i386_pe_valid_type_attribute_p): New fn.
8378 (i386_pe_check_vtable_importexport): Remove.
8379 (i386_pe_dllexport_p): Use associated_type.
8380 (i386_pe_dllimport_p): Likewise.
8382 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8383 * i386.c (i386_valid_type_attribute_p): Also accept
8384 attributes for METHOD_TYPEs.
8386 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8388 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8390 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8392 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8394 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8395 them from generating a new base name for each occurence of
8398 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8400 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8402 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8406 * cplus-dem.c (type_kind_t): New type.
8407 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8408 on this paramter, rather than demangling the type again.
8409 (demangle_integral_value): Pass tk_integral.
8410 (demangle_template_: Pass the value returned from do_type.
8411 (do_type): Return a type_kind_t. Pass tk_integral to
8412 demangle_template_value_parm for array bounds.
8413 (demangle_fund_type): Likewise.
8415 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8417 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8420 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8422 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8424 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8426 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8428 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8431 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8433 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8434 (DEBUGGER_ARG_OFFSET): Likewise.
8436 * mn10300.md (movsf): Remove last change. Not needed.
8438 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8440 * c-lex.c (yylex): Fix boundary conditions in character literal and
8441 string literal loops.
8443 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8445 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8446 being invoked incorrectly.
8448 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8449 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8451 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8452 * configure.in: Added i[34567]86-*-win32
8453 * config.sub: Ditto.
8454 * configure: Rebuilt.
8456 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8458 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8459 the frame pointer and compiling PIC code and reload has not completed.
8461 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8464 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8466 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8468 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8470 * Makefile.in (install-info): Only try to update the info
8471 directory file if it exists in the first place.
8473 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8475 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8477 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8479 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8480 CONST_DOUBLE source.
8482 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8484 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8485 strings as the insertion of USER_LABEL_PREFIX.
8486 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8488 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8491 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8493 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8494 already defined type.
8496 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8498 * expr.c (check_max_integer_computation_mode): Allow conversions
8499 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8500 (expand_expr): Likewise.
8502 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8504 * expr.c (expand_expr): Expand RETURN_EXPR.
8506 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8508 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8510 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8512 * dwarf2out.c (output_aranges): Call stripattributes
8513 for TEXT_SECTION references.
8514 (output_line_info): Likewise.
8516 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8518 * profile.c (branch_prob): Call allocate_reg_info after outputting
8519 profile rtl in instrument_arcs.
8521 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8523 * fixinc.irix (math.h): Install wrapper instead of copying.
8525 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8527 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8528 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8529 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8530 lang_flag_0. Added documentation in the flag table.
8532 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8534 * cccp.c (do_include): Fix vax c style include handling.
8536 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8538 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8540 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8542 * fold-const.c (non_lvalue): Don't deal with null pointer
8544 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8546 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8548 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8549 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8550 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8551 (u_short_cint_operand): Same.
8552 (reg_or_cint_operand): Same.
8553 (logical_operand): Same.
8554 (input_operand): Same.
8555 (reg_or_short_operand): Use u_short_cint_operand.
8557 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8559 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8560 but keep the insns and splits. Adjust so when the ultimate destination
8561 is memory, use cvtql.
8563 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8565 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8567 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8569 * gcc.c (do_spec): Call "error" not "warning".
8571 * configure.in: Fix minor problems with gas feature detection code.
8572 * configure: Rebuilt.
8574 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8577 * gcc.c: Delete %[spec] support.
8578 (do_spec_1, case '('): Likewise.
8579 (do_spec_1, case '['): Call error.
8581 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8583 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8584 (CPP_SUBTARGET_SPEC): Default to empty string.
8585 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8586 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8587 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8588 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8590 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8591 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8592 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8593 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8594 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8595 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8596 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8597 * alpha/vxworks.h: Likewise.
8599 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8601 * mips.md (reload_outsi): Added missing REGNO call.
8602 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8604 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8605 another match_operator and compare the codes.
8607 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8609 * MIPS multiply pattern fixes:
8610 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8611 Add union classes for HI, LO, or HILO plus general registers.
8612 (GENERATE_MADD): Deleted.
8613 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8614 Add TARGET_MAD to condition.
8615 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8616 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8617 "*d" for accumulator, to give preference to LO initially but not
8620 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8622 * configure.in (enable_c_mbchar): New configure option.
8623 (extra_cpp_objs): Always available now.
8625 * cexp.y (mbchar.h): #include it.
8626 (yylex): Handle Multibyte characters in character literals.
8628 * cccp.c (mbchar.h): #include it.
8629 (main): Set character set based on LANG environment variable.
8630 (rescan): Handle multibyte characters in comments.
8631 (skip_if_group): See above.
8632 (validate_else): See above.
8633 (skip_to_end_of_comment): See above.
8634 (macarg1): See above.
8635 (discard_comments): See above.
8636 (rescan): Handle multibyte characters in string and character literals.
8637 (collect_expansion): See above.
8638 (skip_quoted_string): See above.
8639 (macroexpand): See above.
8640 (macarg1): See above.
8641 (discard_comments): See above.
8642 (change_newlines): See above.
8644 * c-lex.c (mbchar.h): #include it.
8645 (GET_ENVIRONMENT): New macro.
8646 (init_lex): Set character set based on LANG environment variable.
8647 (yylex): Handle multibyte characters in character literals.
8648 (yylex): Handle multibyte characters in string literals.
8650 * Makefile.in (mbchar.o): New target.
8651 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8652 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8654 * mbchar.[ch]: New files for multibyte character handling.
8656 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8658 * jump.c (jump_optimize): When simplifying noop moves and
8659 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8660 the PUSHes to rewrite in second loop as we did in the first.
8662 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8664 * cplus-dem.c (demangle_nested_args): Make function definition
8665 static to match the prototype.
8667 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8669 * alloca.c: Respect USE_C_ALLOCA.
8670 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8671 * gengenrtl.c (xmalloc): Likewise.
8673 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8675 * loop.h (struct induction): Add no_const_addval.
8676 * loop.c (the_movables, reg_address_cost): New variables.
8677 (init_loop): Init reg_address_cost.
8678 (loop_optimize): Call end_alias_analysis.
8679 (scan_loop): Init the_movables.
8680 (record_giv): Init induction->no_const_addval.
8681 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8682 [REG]: Rearrange loop search test to catch more cases.
8683 (general_induction_var): Return success not benefit; take an extra
8684 argument for that. Change all callers.
8685 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8686 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8687 [default]: Search the_movables for additional combinations.
8688 (sge_plus_constant, sge_plus): New functions.
8689 (express_from_1): New function.
8690 (express_from): Always define. Rewrite using express_from_1.
8691 (combine_givs_p): Handle more cases. Ignore address cost.
8692 (cmp_combine_givs_stats): New function.
8693 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8694 (combine_givs): Rewrite to do best-fit combination.
8696 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8697 (fold): Do a complete (A*C)+(B*C) association check.
8699 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8701 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8703 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8705 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8707 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8709 * tree.c (valid_machine_attribute): Only create a new type variant if
8710 there is a decl to use it.
8712 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8714 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8717 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8719 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8722 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8724 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8725 Simplify tests for clearing an address register.
8726 (expand_prologue): Corresponding changes.
8728 * mn10300.md (movXX patterns): Make sure the destination is an
8729 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8730 (logical patterns): Split into expanders + patterns
8731 (zero and sign extension patterns): Similarly.
8732 (shift patterns): Similarly.
8734 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8736 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8737 for the sequence, recording base values.
8739 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8741 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8743 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8745 * gcc.c: Remove ANSI-C ism from --help code.
8747 * toplev.c: Support --help with USE_CPPLIB.
8749 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8751 * configure.in: Rework gas feature code to work with symlink based
8754 * extend.texi: Clarify some issues related to local variables
8755 assigned to explicit registers.
8757 * mn10300.md (mulsi): Turn into expander + pattern.
8759 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8762 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8764 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8766 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8768 * version.c: Bump again to distinguish mainline tree from the
8771 See ChangeLog.0 for earlier changes.
8774 add-log-time-format: current-time-string
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