1 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
3 * calls.c (special_function_p): New function broken out of
5 (precompute_register_parameters): Likewise.
6 (store_one_arg): Likewise.
7 (store_unaligned_argumetns_into_pseudos): Likewise.
8 (save_fixed_argument_area): Likewise.
9 (restore_fixed_argument_area): Likewise.
10 (expand_call): Corresponding changes.
12 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
14 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
16 (const_sint32_operand): Likewise.
18 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
21 is a macro when deciding if we can use `jmp_buf' in prototypes.
23 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25 * config/c4x/c4x.md (addqi3): If the destination operand is
26 a hard register other than an extended precision register,
27 emit addqi3_noclobber.
28 (*addqi3_noclobber_reload): New pattern added so that reload
29 will recognise a store of a pseudo, equivalent to the sum
30 of the frame pointer and a constant, as an add insn.
32 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
34 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
36 * i386/xm-go32.h: Define LIBSTDCXX.
38 * i386/go32.h (MD_EXEC_PREFIX): Define.
39 (FILE_NAME_ABSOLUTE_P): Define.
40 (LINK_COMMAND_SPEC): Define.
42 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
44 * expr.c (store_expr): If the lhs is a memory location pointed
45 to be a postincremented (or postdecremented) pointer, always
46 force the rhs to be evaluated into a pseudo.
48 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
50 * real.c (mtherr): Print more reasonable warning messages.
52 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
54 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
56 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
57 (new_include_prefix): Constify char* parameters.
59 * cppfiles.c (read_name_map): Likewise.
60 (append_include_chain): Likewise. Also, use a writable char* copy
61 of parameter `dir' which we then modify, rather than using the
62 parameter itself to store the new writable string.
63 (remap_filename): Constify some variables. Also, use a writable
64 char* to store an allocated string which we will be modifying.
66 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
67 (cpp_start_read): Constify variable `str'.
69 * cpplib.h (append_include_chain): Constify a char* parameter.
71 * gcc.c Include prefix.h, don't prototype prefix.c functions.
72 (add_prefix, save_string): Constify char* parameters.
73 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
75 * prefix.c: Include prefix.h.
76 (get_key_value, translate_name, save_string, update_path,
77 set_std_prefix): Constify various char* parameters and variables.
78 (save_string): Use xmalloc, not malloc.
79 (translate_name): Use a writable temporary variable to create and
80 modify a string before setting it to a const char*.
82 * prefix.h: New file to prototype functions exported from prefix.c.
84 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
86 * cpplib.c (skip_if_group): Split out the logic that handles
87 directive recognition to its own function. Don't use
88 parse markers; use a bare pointer into the buffer. Use
89 copy/skip_rest_of_line instead of doing it by hand. Remove
90 `return on any directive' mode which was never used, and take
92 (consider_directive_while_skipping): New function, subroutine
93 of skip_if_group. Logic streamlined a bit.
94 (conditional_skip, do_elif, do_else): Call skip_if_group with
97 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
99 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
102 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
104 * extend.texi (Bound member functions): Document.
106 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
108 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
109 lang_to_string, type_to_string): Make return type const char*.
110 (print_symbol): Apply `const' keyword to a char*.
111 (print_file_desc): Cast structure member `crfd' to ulong when
112 comparing against one.
114 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
115 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
116 (progname, input_name): Apply `const' keyword to a char*.
117 Don't redundantly include sys/stat.h.
118 (alloc_info): Apply `const' keyword to a char*.
119 (st_to_string, sc_to_string): Likewise.
120 (hash_string): Cast variable `hash_string' to a symint_t when
121 comparing against one.
122 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
123 Likewise cast it to long when comparing against one.
124 (add_local_symbol): Apply `const' keyword to a char*.
125 (add_ext_symbol): Likewise.
126 (add_unknown_tag): Likewise.
127 (add_procedure): Cast a printf-style field width to an int.
128 (add_file): Cast PAGE_USIZE to long when comparing against one
129 (parse_begin): Cast a printf-style field width to an int.
130 (parse_bend): Likewise.
131 (parse_def): Likewise.
132 (parse_end): Likewise.
133 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
134 (parse_stabs_common): Fix format specifier.
135 (parse_input): Change type of variable `i' to Size_t.
136 (write_object): Fix arguments to match format specifiers.
137 Cast variable `num_write' to long when comparing against one.
138 (read_seek): Cast variable `sys_read' to symint_t when comparing
139 against one. Fix arguments to match format specifiers. Cast
140 variable `size' to long when comparing against one.
141 (copy_object): Cast result of `sizeof' to int when comparing
142 against one. Fix arguments to match format specifiers. Cast
143 variable `ifd' to long when comparing against a signed value.
146 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
148 * c-common.c (decl_attributes): Allow applying attribute `unused'
151 * c-parse.in (label): Parse attributes after a label, and call
152 `decl_attributes' to handle them.
154 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
156 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
157 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
159 * invoke.texi: Note that labels can be marked `unused'.
161 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
163 * version.c: Bump for snapshot.
165 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
167 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
168 RTL for a compare/jump sequence.
170 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
172 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
173 for a target with HAVE_cc0 defined.
174 (emit_cmp_and_jump_insns): New function.
175 * expr.h (emit_cmp_and_jump_insns): Prototype it.
176 * loop.c (check_dbra_loop): Use it to replace calls
177 to emit_cmp_insn and emit_jump_insn and to canonicalise
178 the comparison if necessary.
179 * unroll.c (unroll_loop): Likewise.
181 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
183 * fixincludes (sys/utsname.h): Provide forward declaration of
184 struct utsname on Ultrix V4.[35].
186 * mips.md (div_trap): Use local labels instead of dot-relative
189 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
191 * pa.md (branch, negated branch): Handle (const_int 0) as first
193 * pa.c (output_cbranch): Likewise.
195 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
197 * rs6000.c (rs6000_stack_info): Undo spurious part of last
200 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
202 * extend.texi (__builtin_constant_p): Add missing @smallexample.
204 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
206 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
208 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
210 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
211 (adddi_dishl32): Similarly.
213 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
214 for each insn in the skipped block.
216 * reload1.c (reload_as_needed): Verify that the insn satisfies its
217 constraints after replacing a register address with an autoincrement
218 address for reload inheritance purposes.
220 * i386.md (doubleword shifts): Avoid namespace pollution.
222 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
224 * configure.in (FreeBSD ELF): Needs special crt files.
226 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
228 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
230 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
232 * loop.c (check_dbra_loop): While reversing the loop, if the
233 comparison value has a VOID mode use the mode of the other operand
236 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
238 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
239 avoid warnings in compiling explow.c.
241 (patch from Ken Raeburn, raeburn@cygnus.com)
242 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
243 fpmem_offset. Compute total size after that, and then
244 rs6000_fpmem_offset using both values.
246 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
248 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
249 the future; indeed that already happens in some cases.
251 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
253 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
254 (arith_operand): Remove constant_p_rtx handling.
255 (const64_operand, const64_high_operand): Likewise.
256 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
257 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
258 (small_int_or_double, uns_small_int, zero_operand): Likewise.
259 * sparc.h (PREDICATE_CODES): Likewise.
261 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
263 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
265 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
266 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
267 consider constant CONSTRUCTOR constant and to defer some cases
269 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
270 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
272 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
274 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
275 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
277 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
278 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
279 (sext_add_operand, and_operand, or_operand): Likewise.
280 (reg_or_cint_operand, some_operand, input_operand): Likewise.
281 * alpha.h (PREDICATE_CODES): Likewise.
283 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
285 * version.c: Bump for snapshot.
287 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
289 * gengenrtl.c (gencode): Always use bzero to clear memory instead
290 of dangerous casts and stores.
292 * Makefile.in (compare, gnucompare): Add missing else true clauses.
294 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
296 * alpha.md (builtin_longjmp): Add missing "DONE".
298 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
300 * gcc.c (execute): Enable -pipe with win32.
302 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
304 * config/arm/t-arm-elf: Add multiplib option for leading
307 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
308 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
310 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
311 than variable 'reload_address_base_reg_class'. [Note this
312 change is unrelated to the others in this patch].
314 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
317 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
319 * alias.c (record_alias_subset): Remove ignored `&'.
320 (init_alias_once): Likewise.
322 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
324 * config/mips/mips.c (mips_asm_file_end): Cast the result of
325 fwrite to `int' when comparing against one.
327 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
328 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
330 * cse.c (rehash_using_reg): Change type of variable `i' to
333 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
336 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
338 * final.c (final_scan_insn): Likewise for variable `i'.
339 (output_asm_insn): Cast a char to unsigned char when used as an
342 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
345 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
347 * recog.c (preprocess_constraints): Cast a char to unsigned char
348 when used as an array index.
350 * regmove.c (find_matches): Likewise.
352 * reload1.c (calculate_needs): Add default case in switch.
353 (eliminate_regs_in_insn): Initialize variable `offset'.
354 (set_offsets_for_label): Change type of variable `i' to unsigned.
355 (reload_as_needed): Wrap variable `i' in macro check on
356 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
358 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
359 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
360 when comparing against one.
362 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
363 unsigned when comparing against one. Likewise for
364 GET_MODE_ALIGNMENT().
365 (layout_record): Cast record_align to int when comparing against a
367 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
370 * tree.c (get_identifier): Cast variable `len' to unsigned when
371 comparing against one.
372 (maybe_get_identifier): Likewise
374 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
376 * toplev.c (rest_of_compilation): Do not set reload_completed.
377 * reload1.c (reload): Set reload_completed before calling
378 cleanup_subreg_operands.
380 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
382 * reload1.c (emit_reload_insns): Check `set' not null before use.
384 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
386 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
389 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
391 * halfpic.c (half_pic_encode): Delete redundant code.
393 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
395 * toplev.c (main): Delete handling of -dM as a preprocessor
398 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
400 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
401 -dI, which are handled by the preprocessor.
403 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
405 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
406 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
408 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
410 * version.c: Bump for snapshot.
412 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
414 * version.c: Bump for snapshot.
416 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
418 * version.c: Bump for snapshot.
420 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
422 * genattr.c (fatal): Qualify a char* with the `const' keyword.
424 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
425 write_unit_name, write_eligible_delay, expand_units,
426 make_length_attrs, write_attr_case, find_attr,
427 make_internal_attr): Likewise.
428 * gencheck.c (tree_codes): Likewise.
429 * gencodes.c (fatal): Likewise.
430 * genconfig.c (fatal): Likewise.
431 * genemit.c (fatal): Likewise.
432 * genextract.c (fatal, walk_rtx, copystr): Likewise.
433 * genflags.c (fatal): Likewise.
434 * genopinit.c (fatal, optabs, gen_insn): Likewise.
435 * genoutput.c (fatal, error, predicates): Likewise.
436 * genpeep.c (fatal): Likewise.
437 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
438 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
440 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
442 * configure.in (with-fast-fixincludes): Fix whitespace.
443 * configure: Rebuilt.
445 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
446 asm() etc. function declarations in __DECC.
448 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
450 * expr.c (emit_move_insn_1): Only emit a clobber if the target
451 is a pseudo register.
453 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
455 * gcse.c: Include expr.h in order to get the prototype for
456 get_condition() which is used in delete_null_pointer_checks().
458 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
460 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
462 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
464 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
465 (ALL_CFLAGS): Delete SCHED_CFLAGS.
467 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
469 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
472 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
474 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
475 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
476 optimizations from the combiner.
478 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
480 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
482 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
484 * toplev.c (main): Disable optimize_size if a specific
485 optimization level is requested. Always set optimization
486 level to 2 if -Os is specified.
488 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
490 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
492 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
493 initialize it using fname.
495 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
497 * cpplib.c (do_include): Treat #include_next in the
498 primary source file as #include plus warning. Treat
499 #include_next in a file included by absolute path as an
500 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
502 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
504 * cccp.c: Don't define MIN/MAX anymore.
505 * cpplib.c: Likewise.
506 * machmode.h: Likewise.
507 * system.h: Provide definitions for MIN/MAX.
509 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
511 * fix-header.c: Don't define xstrdup here.
513 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
515 * loop.c (consec_sets_giv): New argument last_consec_insn.
516 (strength_reduce): Provide / use it.
518 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
520 * loop.h (loop_info): New field 'vtop'.
521 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
522 scanning loop for vtop.
523 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
524 (loop_iterations): Use them to determine if loop has a constant
525 number of iterations. Set loop_info->vtop. Don't subtract
526 common reg term from initial_value and final_value if have a
529 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
531 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
533 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
535 * mn10200.md (abssf2, negsf2): New expanders.
537 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
539 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
541 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
542 replaced by a CONCAT whoes components do not have the same
543 mode as the original SUBREG, use a new SUBREG to restore the
546 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
547 multiword complex values.
549 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
551 * cppalloc.c: Add xstrdup here.
552 * cpplib.h: Remove savestring prototype.
553 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
555 * cppfiles.c: s/savestring/xstrdup/ throughout.
557 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
559 * cpplib.c: Make all directive handlers read their own
561 (struct directive): Remove last two arguments from FUNC
562 member prototype. Remove `command_reads_line' member
564 (directive_table): Remove initializations of
565 command_reads_line flag. Pretty-print.
566 (eval_if_expression, do_define, do_line, do_include,
567 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
568 do_else, do_elif, do_sccs, do_assert, do_unassert,
569 do_warning): Take only two args.
571 (cpp_define): Call do_define with two args and the text to
572 define stuffed into a buffer.
573 (make_assertion): Call do_assert with two args.
574 (handle_directive): Call do_line with two args. Call
575 kt->func with two args. Remove command_reads_line
577 (do_define, do_undef, do_error, do_warning, do_pragma,
578 do_sccs): Read the rest of the line here.
579 (do_ident): Gobble rest of line, as cccp does.
580 (cpp_undef): New function.
581 (cpp_start_read): Call cpp_undef instead of do_undef.
583 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
585 * cpphash.h (union hash_value): Remove `keydef' member, add a
586 `struct hashnode *aschain' member for #assert.
588 * cpplib.c (struct tokenlist_list, struct
589 assertion_hashnode): Delete structure definitions.
590 (assertion_install, assertion_lookup, delete_assertion,
591 check_assertion, compare_token_lists, reverse_token_list,
592 read_token_list, free_token_list): Delete functions.
593 (parse_assertion): New function.
594 (cpp_cleanup): Don't destroy the assertion_hashtable.
596 (do_assert): Gut and rewrite. #assert foo (bar) places
597 entries for `#foo' and `#foo(bar)' in the macro hash table,
598 type T_ASSERT. The value union's `aschain' member is used
599 to chain all answers for a given predicate together.
600 (do_unassert): Also rewritten. Take an un-asserted
601 answer off the chain from its predicate and call
602 delete_macro on the hashnode, or walk a predicate chain
603 calling delete_macro on all the entries.
604 (cpp_read_check_assertion): Simply call parse_assertion to
605 get the canonical assertion name, and look that up in the
608 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
611 * cpphash.c (install): Use bcopy instead of an explicit loop
612 to copy the macro name.
614 * cppexp.c (cpp_lex): Convert the result of
615 cpp_read_check_assertion to a `struct operation' directly;
616 don't go through parse_number.
618 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
620 * loop.h (struct induction): Delete times_used member.
621 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
622 (n_times_used): Rename to n_times_set. Changed all users.
623 (scan_loop): Free reg_single_usage before strength reduction.
624 (record_giv, combine_givs): Remove handling of times_used member.
625 (combine_givs_used_once): Rename to:
626 (combine_givs_used_by_other) . Changed all callers.
628 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
630 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
631 instead of TREE_CODE_CLASS == 't'.
632 (gen_type_die): Likewise.
633 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
635 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
637 * real.c (endian): Disable last change unless
638 HOST_BITS_PER_WIDE_INT is greater than 32.
640 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
642 * output.h (force_data_section): New prototype.
643 * varasm.c (force_data_section): New function to force the
644 data section, regardless of what in_section thinks.
645 * dwarf2out.c (output_call_frame_info): Call force_data_section
646 since varasm may not realize we've changes sections.
648 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
650 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
651 after completeing reload.
653 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
654 deleted after reload.
656 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
658 * rtl.h (multiple_sets): Fix prototype.
659 * rtlanal.c (multiple_sets): Fix return type.
661 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
663 * version.c: Bump for snapshot.
665 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
667 * version.c: Bump for snapshot.
669 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
671 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
673 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
675 * rtl.h (recompute_reg_usage): Add second argument.
676 * flow.c (recompute_reg_usage): Likewise.
677 * toplev.c (rest_of_compilation): Supply second argument to
680 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
683 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
685 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
686 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
687 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
690 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
692 * rtlanal.c (multiple_sets): New function.
693 * rtl.h (multiple_sets): Declare it.
694 * local-alloc.c (wipe_dead_reg): Use it.
695 * global.c (global_conflicts): Likewise.
697 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
699 * global.c (record_conflicts): Don't use an array of shorts to
700 store an array of ints.
701 (global_conflicts): Likewise.
703 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
705 * alpha.c (alpha_expand_block_move): mode_for_size expects
706 bits, not bytes. Infer extra alignment from addressof.
708 1998-12-11 Michael Meissner <meissner@cygnus.com>
710 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
711 .sbss section, not .sdata.
713 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
715 * cccp.c: Do not #include <sys/stat.h> here; this is already done
717 * collect2.c: Likewise.
718 * cpplib.h: Likewise.
721 * getpwd.c: Likewise.
722 * protoize.c: Likewise.
723 * toplev.c: Likewise.
725 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
726 and don't try to define it here.
727 * Makefile.in (cppmain.o): Depend on machmode.h.
728 (cpplib.o): Likewise.
729 (cpperror.o): Likewise.
730 (cppexp.o): Likewise.
731 (cppfiles.o): Likewise.
732 (cpphash.o): Likewise.
733 (cppalloc.o): Likewise.
734 (fix-header.o): Likewise.
735 (scan-decls.o): Likewise.
737 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
739 * sh.c (print_operand): lookup interrupt_handler attribute instead
740 of relying on static variable.
741 * (calc_live_regs): Likewise.
742 * (sh_pragma_insert_attributes): Create interrupt_handler
743 attribute if a pragma was specified
744 * (sh_valid_machine_decl_attribute): Don't set static flag.
745 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
747 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
749 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
750 to determine if a register is live at a jump destination.
751 Everything is dead at a BARRIER.
753 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
755 * cse.c (simplify_unary_operation): Sign-extend constants when
756 they have the most significant bit set for the target.
757 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
759 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
760 HOST_WIDE_INT temporary before negating it.
761 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
763 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
765 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
768 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
770 * collect2.h: New header file for prototypes.
772 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
774 * collect2.c: Include collect2.h.
777 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
779 * flow.c: Update some comments.
781 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
783 * objc/objc-act.c (cpp_initialized): Removed.
784 (lang_init_options): Initialize cpplib.
785 (lang_decode_option): Move initialization of cpplib to
787 * c-lang.c: (parse_options,parse_in): Added.
788 (lang_init_options): Initialized cpplib here.
789 * c-decl.c (parse_options,cpp_initialized): Removed.
790 (c_decode_option): Move initialization of cpplib to
793 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
795 * reload1.c (reload_combine, reload_combine_note_store):
796 Make STORE_RUID always valid.
797 (reload_combine): Check if BASE is clobbered too early.
799 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
801 * reload.c (find_reloads): Display the insn that cannot be
804 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
806 * cccp.c (create_definition): Fix end of bufer logic.
808 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
810 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
811 pointer parameters changed to use the PARAMS() macro.
813 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
815 * except.h (struct handler_info): Add handler_number field.
816 * except.c (gen_exception_label): EH labels no longer need to be
817 on the permanent obstack.
818 (get_new_handler): Set the label number field.
819 (output_exception_table_entry): Regenerate handler label reference
820 from the label number field.
821 (init_eh): Remove a blank line.
822 * integrate.c (get_label_from_map): Labels no longer need to be
823 on the permanent obstack.
825 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
827 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
828 only when OUTER_CODE is SET.
830 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
832 * loop.c (strength_reduce): If scan_start points to the loop exit
833 test, be wary of subversive use of gotos inside expression statements.
834 Don't set maybe_multiple for a backward jump that does not
835 include the label under consideration into its range.
836 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
838 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
840 * explow.c (plus_constant_wide): Don't immediately return with
841 result of recursive call.
843 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
845 * eh-common.h (struct eh_context): Add table_index for rethrows.
847 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
848 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
849 processed when inlined or unrolled (ie duplicated in some way).
851 * rtl.c (reg_note_name): Add strings for new reg_note enums.
853 * expr.h (rethrow_libfunc): New library decl.
855 * optabs.c (rethrow_libfunc): Initialize.
857 * except.h (struct eh_entry): Add new field 'rethrow_label'.
858 (new_eh_region_entry): No longer exported from except.c.
859 (duplicate_handlers): Renamed to duplicate_eh_handlers and
861 (rethrow_symbol_map, rethrow_used): New exported functions.
862 (eh_region_from_symbol): New exported function.
864 * except.c (create_rethrow_ref): New function to create a single
865 SYMBOL_REF for a rethrow region.
866 (push_eh_entry): Initialize a rethrow ref.
867 (func_eh_entry): Add a rethrow_label field.
868 (new_eh_region_entry): Make static, and initialize the rethrow entry.
869 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
870 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
871 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
872 a region into an appropriate new symbol.
873 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
874 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
875 (end_catch_handler): Emit a barrier for new-exceptions since
876 control can never drop through the end of a catch block.
877 (expand_end_all_catch): new-exceptions never fall through a catch
879 (expand_rethrow): use __rethrow routine for new exceptions.
880 (output_exception_table_entry): Generate rethrow labels, if needed.
881 (output_exception_table): Generate start and end rethrow labels.
882 (init_eh): Create rethrow symbols for beginning and end of table.
883 (scan_region): Don't eliminate EH regions which are the targets of
886 * flow.c (make_edges): Add different edges for rethrow calls,
887 identified by having the REG_EH_RETHROW reg label.
888 (delete_unreachable_blocks): Don't delete regions markers which are
889 the target of a rethrow.
891 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
892 allow save_for_inline_copying to call duplicate_eh_handlers.
893 (save_for_inline_copying): Call duplicate_eh_handlers instead of
894 exposing internal details of exception regions.
895 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
896 (expand_inline_function_eh_labelmap): New callback routine to
897 allow expand_inline_function to call duplicate_eh_handlers.
898 (expand_inline_function): Call duplicate_eh_handlers instead of
899 exposing internal details of exception regions.
900 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
903 * libgcc2.c (find_exception_handler): Generalize to enable it to
904 pick up processing where it left off last time for a rethrow.
905 (__unwinding_cleanup): New function. debug hook which is called before
906 unwinding when __throw finds there is nothing but cleanups left.
907 (throw_helper): Common parts of __throw extracted out for reuse.
908 (__throw): Common parts moved to throw_helper.
909 (__rethrow): New function for performing rethrows.
911 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
913 * reload1.c (current_function_decl): Tweak declaration.
915 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
917 * c-decl.c (flag_isoc9x): Default off.
918 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
919 * cccp.c (print_help, main): Likewise.
920 * gcc.c (default_compilers): Update for -std=gnu*.
922 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
924 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
925 * demangle.h: Deleted.
927 * reload1.c (current_function_decl): Declare.
929 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
931 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
933 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
935 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
937 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
939 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
941 * configure: Rebuilt.
942 * system.h: If the *_unlocked functions are available use them
943 instead of the locked counterparts by defining macros.
944 * config.in: Regenerated.
946 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
948 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
949 wrong and should only be used for dump related things, not
950 debugging information, instead main_input_filename should be used.
951 Also, reuse output_file_directive if possible.
952 * i386/aix386ng.h (ASM_FILE_START): Likewise.
953 * i386/isc.h (ASM_FILE_START): Likewise.
954 * i386/win-nt.h (ASM_FILE_START): Likewise.
955 * i386/sun386.h (ASM_FILE_START): Likewise.
957 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
959 * configure.in (mips*-*-linux*): Handle big and little endian
961 * configure: Rebuilt.
963 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
965 * emit-rtl.c: Fix typo.
967 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
969 * reload1.c (eliminate_regs): Don't do anything, if we're not
972 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
974 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
976 * mips/mips.c (mips_select_section): Add comment.
978 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
980 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
981 characters in file names in #line to be consistent with #include
982 handling. We support escape prcessing in the # 1 "..." version of
983 the command. See also support in cp/lex.c.
984 (handle_directive): Likewise.
987 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
989 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
990 so it'll work on non-ASCII platforms. Always consider $ an
991 identifier character. Take no arguments.
992 (cpp_reader_init): Call initialize_char_syntax with no
994 (cpp_start_read): Don't call initialize_char_syntax again.
995 Clear is_idchar['$'] and is_idstart['$'] if not
996 opts->dollars_in_ident.
998 * cpplib.h (struct cpp_reader): Replace void *data element by
999 cpp_options *opts. Rearrange elements to make gdb printout
1000 less annoying (put buffer stack at end).
1001 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1003 * cppmain.c: s/data/opts/ when initializing cpp_reader
1005 * c-decl.c: Likewise.
1006 * objc/objc-act.c: Likewise.
1007 * fix-header.c: Likewise.
1009 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1011 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1012 with a struct file_name_list pointer.
1013 (struct cpp_reader): Add pointer to chain of `actual
1014 directory' include searchpath entries.
1015 (struct file_name_list): Add *alloc pointer for the sake of
1016 the actual-directory chain.
1018 Move definition of HOST_WIDE_INT here.
1019 (cpp_parse_escape): Change prototype to match changes in
1022 * cppfiles.c (actual_directory): New function.
1023 (finclude): Use it to initialize the buffer's actual_dir
1025 (find_include_file): We don't need to fix up max_include_len
1028 * cpplib.c (do_include): Don't allocate a file_name_list on
1029 the fly for current directory "" includes, use the one that's
1030 been preallocated in pfile->buffer->actual_dir. Hoist out
1031 duplicate code from the search_start selection logic.
1032 (cpp_reader_init): Initialize pfile->actual_dirs.
1034 Remove definition of HOST_WIDE_INT. Change calls
1035 to cpp_parse_escape to match changes in cppexp.c (note
1036 hardcoded MASK, which is safe since this is the source
1039 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1040 to handle wide character constants in #if directives. The
1041 function now returns a HOST_WIDE_INT, and takes a third
1042 argument which is a binary mask for all legal values (0x00ff
1043 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1044 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1045 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1047 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1049 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1051 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1053 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1054 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1055 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1057 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1059 * final.c (output_asm_name): Use tabs to seperate comments from
1062 Include instruction lengths (if defined) in output.
1064 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1066 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1067 in the loop_info structure.
1069 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1071 * configure.in: (arm*-*-ecos-elf): New target.
1072 * configure: Regenerated.
1073 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1074 * config/arm/ecos-elf.h: New file.
1075 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1078 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1080 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1082 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1084 * version.c: Bump for snapshot.
1086 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1088 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1091 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1093 * version.c: Bump for snapshot.
1095 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1097 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1098 compressed reports are ok and preferred over URLs
1100 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1102 * invoke.texi (Warning Options): Soften the tone of -pedantic
1104 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1106 * print-rtl.c (print_rtx): Add prototype.
1108 * unroll.c (iteration_info): Make it static.
1110 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1112 * alias.c (memrefs_conflict_p): A second ANDed address
1113 disables the aligned address optimization.
1115 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1117 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1120 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1122 * i960.h (BOOL_TYPE_SIZE): Define.
1124 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1126 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1127 from old valid_parallel_operands_4.
1128 (valid_parallel_operands_4): Check that operands for 4 operand
1129 parallel insns are valid, excluding load/store insns.
1130 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1131 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1132 valid_parallel_load_store instead of valid_parallel_operands_4.
1133 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1134 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1135 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1136 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1137 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1138 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1139 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1141 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1143 * config/c4x/c4x.c (iteration_info): Delete extern.
1145 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1147 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1149 * final.c (cleanup_subreg_operands): Delete some unused code.
1151 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1152 (struct insn_alternative): New structure definition.
1153 (recog_op_alt): Declare variable.
1154 (preprocess_constraints): Declare function.
1155 * recog.c (recog_op_alt): New variable.
1156 (extract_insn): Verify number of alternatives is in range.
1157 (preprocess_constraints): New function.
1158 * reg-stack.c: Include recog.h.
1159 (constrain_asm_operands): Delete.
1160 (get_asm_operand_lengths): Delete.
1161 (get_asm_operand_n_inputs): New function.
1162 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1163 N_OUTPUTS args. All callers changed.
1164 Compute number of inputs and outputs here by calling
1165 get_asm_operand_n_inputs.
1166 Instead of constrain_asm_operands, call extract_insn,
1167 constrain_operands and preprocess_constaints. Use information
1168 computed by these functions throughout.
1169 (record_reg_life): Delete code that is unused due to changes in
1170 record_asm_reg_life.
1171 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1172 N_INPUTS and N_OUTPUTS args. All callers changed.
1173 Similar changes as in record_asm_reg_life.
1174 (subst_stack_regs): Move n_operands declaration into the if statement
1176 Delete code that is unused due to changes in subst_asm_stack_regs.
1177 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1179 * Makefile.in (reg-stack.o): Depend on recog.h.
1181 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1183 * except.c (set_exception_version_code): Argument is an "int".
1185 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1187 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1188 * configure: Rebuilt.
1190 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1192 * configure.in (mipsel-*-linux*): New target.
1193 * mips/linux.h: New file, based on other Linux targets.
1195 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1197 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1198 runs in the context of the deleter, not the deletee, so we must
1199 use taskVarGet to find the correct memory to free.
1200 (__gthread_key_create): Initialize the task
1201 variable subsystem so that the task variable is still active when
1202 the delete hook is run.
1204 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1206 * pdp11.h: Use optimize_size for space optimizations.
1207 * pdp11.c: Likewise.
1208 * pdp11.md: Likewise.
1210 * pdp11.h (TARGET_40_PLUS): Fix typo.
1212 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1214 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1217 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1219 * alias.c (addr_side_effect_eval): New function.
1220 (memrefs_conflict_p): Use it.
1221 * rtl.h (addr_side_effect_eval): Prototype it.
1223 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1225 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1227 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1229 * reload.c (find_reloads): When force const to memory, put result
1230 in substed_operand not *recog_operand_loc.
1232 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1234 * c-lex.c: Fix indentation from last patch.
1235 Remove trailing whitespace.
1238 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1240 * flow.c (delete_block): Call set_last_insn after we have reset
1241 NEXT_INSN (kept_tail).
1243 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1245 * mips.md (trap_if): Use "$0" for the value zero.
1247 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1248 Stephen L Moshier <moshier@world.std.com>
1249 Richard Henderson <rth@cygnus.com>
1251 * c-common.c (declare_function_name): Declare predefinied variable
1254 * c-decl.c (flag_isoc9x): Set to 1 by default.
1255 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1256 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1258 * c-parse.in: Allow constructors in ISO C 9x.
1259 Rewrite designator list handling.
1260 Allow [*] parameters.
1261 Don't warn about comma at end of enum definition for ISO C 9x.
1263 * cccp.c (c9x): New variable.
1264 (rest_extension): New variable.
1265 (print_help): Document new -std= option.
1266 (main): Recognize -std= option. Set c9x appropriately.
1267 (create_definition): Recognize ISO C 9x vararg macros.
1269 * gcc.c (default_compilers): Adjust specs for -std options.
1270 (option_map): Add --std.
1271 (display_help): Document -std.
1273 * toplev.c (documented_lang_options): Add -std and remove
1276 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1277 or REAL_VALUE_HTOF based on base of the constants.
1278 * fold-const.c (real_hex_to_f): New function. Replacement function
1279 for hex FP conversion if REAL_ARITHMETIC is not defined.
1280 * real.c (asctoeg): Add handling of hex FP constants.
1281 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1284 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1286 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1287 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1288 expansion. Use hi/lo as destination register.
1290 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1291 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1292 Avoid as macro expansion. Use hi/lo as destination register.
1294 * mips.h (MASK_CHECK_RANGE_DIV): New.
1295 (MASK_NO_CHECK_ZERO_DIV): New.
1296 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1297 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1298 return address for leaf functions out of r31 to support
1299 builtin_return_address.
1301 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1303 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1304 NEXT_INSN(x) to check insn x.
1306 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1308 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1309 last insn in the rtl chain.
1311 * reload1.c (reload): Do not set reload_completed or split insns
1313 * toplev.c (rest_of_compilation): Set reload_completed after
1314 reload returns. Split insns after reload_cse has run.
1316 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1318 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1320 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1322 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1324 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1326 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1327 use of user-label_prefix.
1329 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1331 * reload1.c (emit_reload_insns): Clear spill_reg_store
1332 when doing a new non-inherited reload from the same pseudo.
1334 * local-alloc.c (function_invariant_p): New function.
1335 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1336 to decide if an equivalence should be recorded.
1337 * reload1.c (num_eliminable_invariants): New static variable.
1338 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1339 to decide if an equivalence should be recorded.
1341 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1342 Take num_eliminable_invariants into account when deciding
1343 if register elimination should be done.
1344 (reload_as_needed): Take num_eliminable_invariants into account
1345 when deciding if register elimination should be done.
1346 (eliminate_regs): Handle non-constant reg_equiv_constant.
1347 * rtl.h (function_invariant_p): Declare.
1349 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1351 * version.c: Bump for snapshot.
1353 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1355 * version.c: Bump for snapshot.
1357 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1359 * except.c (add_new_handler): Complain about additional handlers
1360 after one that catches everything.
1362 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1364 * configure.in (alpha*-*-netbsd): Fix typo.
1365 * configure: Rebuilt.
1367 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1369 * system.h: Include libiberty.h.
1371 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1372 function `concat' from fixed parameters to variable parameters,
1373 as is done in libiberty. All callers of concat/concat3
1374 changed to use the new `concat' with variable args.
1376 * cccp.c: Remove things made redundant by libiberty.h and/or
1377 conform to libiberty standards.
1379 * collect2.c: Likewise.
1380 * config/1750a/1750a.h: Likewise.
1381 * cppalloc.c: Likewise.
1382 * cppexp.c: Likewise.
1383 * cppfiles.c: Likewise.
1384 * cpphash.c: Likewise.
1385 * cpplib.c: Likewise.
1386 * dyn-string.c: Likewise.
1387 * fix-header.c: Likewise.
1390 * genattr.c: Likewise.
1391 * genattrtab.c: Likewise.
1392 * gencheck.c: Likewise.
1393 * gencodes.c: Likewise.
1394 * genconfig.c: Likewise.
1395 * genemit.c: Likewise.
1396 * genextract.c: Likewise.
1397 * genflags.c: Likewise.
1398 * gengenrtl.c: Likewise.
1399 * genopinit.c: Likewise.
1400 * genoutput.c: Likewise.
1401 * genpeep.c: Likewise.
1402 * genrecog.c: Likewise.
1403 * getpwd.c: Likewise.
1404 * halfpic.c: Likewise.
1406 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1407 in NEED_DECLARATION_* macros.
1409 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1410 conform to libiberty standards.
1411 (fatal): Fix const-ification of variable `format' in
1412 !ANSI_PROTOTYPES case.
1414 * prefix.c: Remove things made redundant by libiberty.h and/or
1415 conform to libiberty standards.
1417 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1418 conflicting with function `spaces' from libiberty.
1420 * profile.c: Remove things made redundant by libiberty.h and/or
1421 conform to libiberty standards.
1422 * protoize.c: Likewise.
1425 * tlink.c: Likewise.
1426 * toplev.c: Likewise.
1427 * toplev.h: Likewise.
1430 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1432 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1434 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1436 * README.C4X: Updated URLs.
1437 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1438 (valid_parallel_operands_5): Remove unused variable.
1440 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1442 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1444 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1446 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1447 which can be configured.
1448 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1449 (Makefile): Pass actual LANGUAGES through the environment when
1451 (cstamp-h): Likewise.
1452 (config.status): Likewise.
1454 * configure.in (enable_languages): Add new configuration parameter
1455 "--enable-languages=lang1,lang2,...".
1456 (${srcdir}/*/config-lang.in): Change handling to configure only
1457 those directories, that the user might have enabled; default to
1458 "all" existing languages.
1459 * configure: Regenerate.
1461 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1463 * rtlanal.c (regs_set_between_p): New function.
1464 * rtl.h (regs_set_between_p): Prototype it.
1465 * jump.c (jump_optimize): Use it instead of modified_between_p
1466 in the Sep 2 change.
1468 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1469 Matthias Pfaller <leo@dachau.marco.de>
1471 * invoke.texi (Option Summary, NS32K Options): add description
1472 of NS32K specific options.
1474 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1475 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1476 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1477 negdf2, absdf2): Use l instead of f since the double class and
1478 float class are no longer the same.
1479 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1480 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1481 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1482 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1484 (cmpsi, cmphi, cmpqi): use general_operand instead of
1485 non_immediate_operand. Removes erroneous assumption that can't
1487 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1488 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1490 (movstrsi, movstrsi1, movstrsi2): completely new block move
1492 (...): Patterns to exploit multiply-add instructions.
1493 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1494 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1495 patterns to exploit extended divide insns.
1496 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1499 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1500 float return values as well as simple scalar floats.
1501 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1502 support new flag to denote 32381 fpu.
1503 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1504 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1506 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1507 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1508 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1509 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1510 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1511 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1512 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1513 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1514 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1515 fpu registers and special register classes for new 32381
1516 instructions dotf and polyf.
1517 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1519 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1520 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1522 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1523 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1524 (REGISTER_MOVE_COST): move code to register_move_cost function for
1525 ease of coding and debugging.
1526 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1527 LONG_FLOAT_REGO is likely spilled but not caught by default
1529 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1530 instead of hard coded numbers in range check.
1531 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1532 (...): Add prototypes for functions in ns32k.c but disable because
1533 of problems when ns32k.h is included in machine independant files.
1535 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1536 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1537 hard_regno_mode_ok, secondary_reload_class,
1538 print_operand, print_operand_address): new register scheme to
1539 include 32381 fpu registers and special register classes for new
1540 32381 instructions dotf and polyf.
1541 (gen_indexed_expr): Make static to keep namespace clean.
1542 (check_reg): remove since never called.
1543 (move_tail, expand_block_move): helper functions for "movstrsi"
1545 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1546 Increase cost of moves which go via memory.
1547 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1548 (CPP_PREDEFINES): nolonger predefine "unix".
1550 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1551 Remove erroneous %$. print_operand() can work out from the rtx is
1552 an immediate prefix is required.
1554 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1555 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1556 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1558 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1561 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1562 Correct handling of pic operands.
1563 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1564 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1565 -mrtd calling convention.
1567 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1569 * gcc.c (option_map): Recognize --output-class-directory.
1571 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1573 * loop.h (precondition_loop_p): Added new mode argument.
1574 * unroll.c (precondition_loop_p): Likewise.
1575 (approx_final_value): Function deleted and subsumed
1576 into loop_iterations.
1577 (loop_find_equiv_value): New function.
1578 (loop_iterations): Use loop_find_equiv_value to find increments
1579 too large to be immediate constants. Also use it to find terms
1580 common to initial and final iteration values that can be removed.
1582 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1584 * loop.h (struct loop_info): Define new structure.
1585 (precondition_loop_p): Added prototype.
1586 (unroll_loop): Added new argument loop_info to prototype.
1587 (final_biv_value, final_giv_value): Added new argument n_iterations
1589 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1590 and new pointer loop_info.
1591 (loop_n_iterations): Replace global variable by element in
1592 loop_info structure.
1593 (check_final_value): New argument n_iterations.
1594 (insert_bct): New argument loop_info.
1595 (loop_unroll_factor): Replace global array by element in
1596 loop_info structure.
1597 (loop_optimize): Remove code to allocate and initialise
1598 loop_unroll_factor_array.
1599 * unroll.c (precondition_loop_p): No longer static since
1600 used by branch on count optimization.
1601 (precondition_loop_p, unroll_loop): New argument loop_info.
1602 (final_biv_value, final_giv_value, find_splittable_regs): New
1603 argument n_iterations.
1604 (loop_iteration_var, loop_initial_value, loop_increment,
1605 loop_final_value, loop_comparison_code, loop_unroll_factor):
1606 Replaced global variables by loop_info structure.
1607 (loop_unroll_factor): Replace global array by element in
1608 loop_info structure.
1610 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1612 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1615 * unroll.c (precondition_loop_p): Return loop_initial_value
1616 for initial_value instead of loop_iteration_var.
1618 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1620 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1621 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1622 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1623 to output the instruction sequences.
1625 (rptb_top): Provide alternatives to use any register or memory
1627 (rptb_end): Emit use of operands rather than assigning them
1628 explicitly to the RS and RE registers.
1630 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1632 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1633 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1634 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1635 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1636 c4x_merge_notes, c4x_parallel_process,
1637 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1638 c4x_combine_parallel): Delete.
1640 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1642 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1643 with old target options clear flag_branch_on_count_reg if
1644 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1646 (c4x_output_cbranch): Handle a sequence of insns rather than a
1648 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1649 has not been allocated as the loop counter.
1650 (c4x_address_conflict): Do not allow two volatile memory references.
1651 (valid_parallel_operands_4, valid_parallel_operands_5,
1652 valid_parallel_operands_6): Reject pattern if the register destination
1653 of the first set is used as part of an address in the second set.
1655 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1657 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1658 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1659 is no longer enabled if PARALLEL_MPY_FLAG set.
1660 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1661 (REG_CLASS_CONTENTS): Add braces around initializers.
1662 (HAVE_MULTIPLE_PACK): Define.
1663 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1664 REAL_VALUE_TO_DECIMAL.
1665 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1666 REAL_VALUE_TO_DECIMAL.
1667 (ar0_reg_operand): Add prototype.
1668 (ar0_mem_operand): Likewise.
1669 (ar1_reg_operand): Likewise.
1670 (ar1_mem_operand): Likewise.
1671 (ar2_reg_operand): Likewise.
1672 (ar2_mem_operand): Likewise.
1673 (ar3_reg_operand): Likewise.
1674 (ar3_mem_operand): Likewise.
1675 (ar4_reg_operand): Likewise.
1676 (ar4_mem_operand): Likewise.
1677 (ar5_reg_operand): Likewise.
1678 (ar5_mem_operand): Likewise.
1679 (ar6_reg_operand): Likewise.
1680 (ar6_mem_operand): Likewise.
1681 (ar7_reg_operand): Likewise.
1682 (ar7_mem_operand): Likewise.
1683 (ir0_reg_operand): Likewise.
1684 (ir0_mem_operand): Likewise.
1685 (ir1_reg_operand): Likewise.
1686 (ir1_mem_operand): Likewise.
1687 (group1_reg_operand): Likewise.
1688 (group1_mem_operand): Likewise.
1689 (ir1_reg_operand): Likewise.
1690 (arx_reg_operand): Likewise.
1691 (not_rc_reg): Likewise.
1692 (not_modify_reg): Likewise.
1693 (c4x_group1_reg_operand): Remove prototype.
1694 (c4x_group1_mem_operand): Likewise.
1695 (c4x_arx_reg_operand): Likewise.
1697 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1699 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1700 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1702 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1704 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1707 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1709 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1710 unless FMOVD_WORKS is defined.
1712 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1714 * regclass.c (init_reg_sets): Move code that calculates tables
1715 dependent on reg_class_contents from here...
1716 (init_reg_sets_1): To here.
1718 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1720 * cpplib.h: Delete struct import_file. Add ihash element to
1721 struct cpp_buffer. Delete dont_repeat_files and
1722 import_hash_table elements from cpp_reader; change
1723 all_include_files to a hash table. Delete all foobar_include
1724 / last_foobar_include elements from struct cpp_options; put
1725 back four such: quote_include, bracket_include,
1726 system_include, after_include. Redo struct file_name_list
1727 completely. Add new structure type include_hash. Add
1728 prototypes for merge_include_chains and include_hash. Change
1729 prototypes for finclude, find_include_file, and
1730 append_include_chain to match changes below.
1732 * cppfiles.c (simplify_pathname, include_hash,
1733 remap_filename, merge_include_chains): New functions.
1734 (add_import, lookup_import, open_include_file): Removed.
1735 (INO_T_EQ): Define this (copied from cccp.c).
1736 (hack_vms_include_specification): Remove all calls and #if 0
1737 out the definition. It was being called incorrectly and at
1738 the wrong times. Until a VMSie can look at this, it's better
1739 to not pretend to support it.
1740 (append_include_chain): Change calling convention; now takes
1741 only one directory at a time, and sets up the data structure
1743 (redundant_include_p): Rewritten - this is now used for all
1744 include redundancy, whether by #ifndef, #import, or #pragma
1745 once. Looks up things in the include hash table.
1746 (file_cleanup): Decrement pfile->system_include_depth here if
1748 (find_include_file): Calling convention changed; now passes
1749 around a struct include_hash instead of 3 separate parameters.
1750 Guts ripped out and replaced with new include_hash mechanism.
1751 (finclude): Calling convention changed as for
1752 find_include_file. Error exits pulled out-of-line. Reformat.
1753 (safe_read): Return a long, not an int.
1754 (deps_output): Don't recurse.
1756 * cpplib.c (is_system_include): Deleted.
1757 (path_include): Fix up call to append_include_chain.
1758 (do_include): Fix up calls to find_include_file and finclude.
1759 Clean up dependency output a bit. Shorten obnoxiously lengthy
1760 #import warning message. Don't decrement
1761 pfile->system_include_depth here.
1762 (do_pragma): Understand the include_hash structure. Reformat.
1763 (do_endif): Correct handling of control macros. Understand
1765 (cpp_start_read): Fix up calls to finclude. Call
1766 merge_include_chains.
1767 (cpp_handle_option): Fix up calls to append_include_chain.
1768 Understand the four partial include chains.
1769 (cpp_finish): Add debugging code (#if 0-ed out) for the
1771 (cpp_cleanup): Free the include_hash, not the import hash and
1772 the all_include and dont_repeat lists which no longer exist.
1774 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1776 * toplev.c (no_new_pseudos): Define.
1777 (rest_of_compilation): Set no_new_pseudos as needed.
1778 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1779 if no_new_pseudos is set.
1780 * rtl.h (no_new_pseudos): Declare it.
1781 * reload1.c (reload): Update comments.
1782 * md.texi: Corresponding changes.
1784 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1786 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1787 (choose_reload_regs): Rename it here as well. When computing it,
1788 also merge in used hardregs.
1790 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1792 * gcc.c: Split out Objective-C specs to...
1793 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1796 * c-lex.c (init_parse): Always initialize the filename global.
1797 * objc/objc-act.c (lang_init): Always call check_newline at
1800 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1802 * reload1.c (reload): Remove unused variable.
1803 (reload_reg_free_for_value_p): Add missing parameter definition.
1805 * jump.c (jump_optimize): Remove unused variable.
1807 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1809 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1811 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1813 * expr.c (move_by_pieces): Similarly.
1814 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1815 * flow.c (find_auto_inc): Similarly.
1816 (try_pre_increment): Similarly.
1817 * loop.c (strength_reduce): Similarly.
1818 * regclass.c (auto_inc_dec_reg_p): Similarly.
1819 * regmove.c (try_auto_increment): Similarly.
1820 (fixup_match_1): Similarly.
1821 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1822 (HAVE_PRE_DECREMENT): Similarly.
1823 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1824 * Corresponding changes to all target header files.
1825 * tm.texi: Update docs for autoinc addressing modes.
1827 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1829 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1830 * configure: Rebuild.
1831 * config/elfos.h: New file.
1832 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1833 config/m68k/t-m68kelf: New file.
1835 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1837 * Makefile.in (HOST_AR): Define.
1838 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1839 (libcpp.a): Use the host tools explicitly.
1840 (STAGESTUFF): Add libcpp.a.
1842 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1844 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1845 to source and destination registers.
1847 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1849 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1850 The strategy we now use is to pre allocate the top_elt along
1851 with the EH context so that each thread has its own top_elt.
1852 This is necessary as the dynmanic cleanup chain is used on the
1853 top element of the stack and each thread MUST have its own.
1854 (eh_context_static): Likewise.
1855 (new_eh_context): Likewise.
1856 (__sjthrow): Likewise.
1858 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1860 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1861 * i386.md (prologue_get_pc): Remove unused variable.
1863 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1865 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1867 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1869 * Makefile.in (OBJS): Add graph.o
1870 (graph.o): New dependency list.
1871 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1872 * print-rtl.c (dump_for_graph): Define new variable.
1873 (print_rtx): Rewrite to allow use in graph dumping functions.
1874 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1875 finish_graph_dump_file.
1876 Define graph_dump_format.
1877 (compile_file): If graph dumping is enabled also clear these files.
1878 Finish graph dump files.
1879 (rest_of_compilation): Also dump graph information if enabled.
1880 (main): Recognize -dv to enabled VCG based graph dumping.
1881 * graph.c: New file. Graph dumping functions.
1883 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1885 * configure.in: Look for <sys/stat.h>.
1886 * system.h: Include it before substitute S_ISREG definitions.
1888 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1890 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1891 * config/mips/iris6.h: Same.
1892 * config/mips/mips.md: Same.
1893 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1894 * config/mips/mips.h: Same; also define ABI_O64.
1896 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1898 * configure.in: Use AC_PREREQ(2.12.1).
1900 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1902 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1903 * cpplib.c, gcc.c: Likewise.
1904 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1906 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1908 * local-alloc.c (local_alloc): Use malloc not alloca for
1909 reg_qty, reg_offset, ref_next_in_qty.
1911 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1913 * caller-save.c (insert_one_insn): Initialize the live_before and
1914 live_after register sets.
1918 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1919 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1920 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1921 (fp_reg_names, assembler_dialect): New variables.
1922 (print_operand_address): Handle SUBREGs.
1923 (print_operand): Added 'o' case.
1924 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1925 Name of FP registers depends on mode.
1926 (expand_block_move): Emit different code for SH4 hardware.
1927 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1928 (from_compare): Likewise.
1929 (add_constant): New argument last_value. Changed all callers.
1930 (find_barrier): Don't try HImode load for FPUL_REG.
1931 (machine_dependent_reorg): Likewise.
1932 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1933 (gen_far_branch): Emit a barrier after the new jump.
1934 (barrier_align): Don't trust instruction lengths before
1936 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1937 Use auto-inc addressing for fp registers if doubles need to
1938 be loaded in two steps.
1939 Set sh_flag_remove_dead_before_cse.
1940 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1941 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1942 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1943 Support for FIRST_XD_REG .. LAST_XD_REG.
1944 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1945 (sh_expand_epilogue): Likewise.
1946 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1947 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1948 (arith_reg_operand): FPUL_REG is OK for SH4.
1949 (fp_arith_reg_operand, fp_extended_operand) New functions.
1950 (tertiary_reload_operand, fpscr_operand): Likewise.
1951 (commutative_float_operator, noncommutative_float_operator): Likewise.
1952 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1953 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1954 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1955 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1956 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1957 (CONDITIONAL_REGISTER_USAGE): Likewise.
1958 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1959 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1960 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1961 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1962 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1963 to -1 and sh_flag_remove_dead_before_cse to 1.
1964 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1965 (assembler_dialect, fp_reg_names): Declare.
1966 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1967 Hide names of registers that are not accessible.
1968 (CACHE_LOG): Take TARGET_CACHE32 into account.
1969 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1970 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1971 (FIRST_PSEUDO_REGISTER: Now 49.
1972 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1973 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1974 (HARD_REGNO_MODE_OK): Update.
1975 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1976 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1977 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1978 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1979 (NPARM_REGS): Eight floating point parameter registers on SH4.
1980 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1981 in floating point registers.
1982 (GET_SH_ARG_CLASS) Likewise.
1983 Complex float types are also returned in float registers.
1984 (BASE_ARG_REG): Complex float types are also passes in float registers.
1985 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1986 (LIBCALL_VALUE): Remove trailing semicolon.
1987 (ROUND_REG): Round when double precision value is passed in floating
1989 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1990 passed on the stack.
1991 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1992 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1993 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1994 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1995 (MODE_DISP_OK_8): Not for SH4 DFmode.
1996 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1997 Allow indexed addressing for PSImode after reload.
1998 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1999 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2000 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2001 (DOUBLE_TYPE_SIZE): 64 for SH4.
2002 (RTX_COSTS): Add PLUS case.
2003 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2004 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2005 MAC_REGS, PR_REGS, DF_REGS.
2006 (REGISTER_NAMES): Use fp_reg_names.
2007 (enum processor_type): Add PROCESSOR_SH4.
2008 (sh_flag_remove_dead_before_cse): Declare.
2009 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2010 (PREDICATE_CODES): Add binary_float_operator,
2011 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2012 fpscr_operand, noncommutative_float_operator.
2013 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2014 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2015 * sh.md (attribute cpu): Add value sh4.
2016 (attrbutes fmovd, issues): Define.
2017 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2018 (function units memory, int, mpy, fp): Make dependent on issue rate.
2019 (function units issue, single_issue, load_si, load): Define.
2020 (function units load_store, fdiv, gp_fpul): Define.
2021 (attribute hit_stack): Provide proper default.
2022 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2023 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2024 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2025 (mulsi3_call): Now uses match_operand for function address.
2026 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2028 (push, pop, push_e, pop_e): Now define_expands.
2029 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2030 (movsi_ie): Added y/i alternative.
2031 (ic_invalidate_line_i, movdf_i4): New insns.
2032 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2033 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2034 (movdf): Add special code for SH4.
2035 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2036 (call_valuei, calli, call_value): Likewise.
2037 (movsf): Emit no-op move.
2038 (mov_nop, movsi_y): New insns.
2039 (blt, sge): generalize to handle DFmode.
2040 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2041 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2042 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2043 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2044 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2045 (toggle_sz): New insn.
2046 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2047 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2048 (macsf3): Make use of fpscr visible. Disable for SH4.
2049 (floatsisf2): Make use of fpscr visible.
2050 (floatsisf2_i4): New insn.
2051 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2052 (ieee_ccmpeqsf_t): Likewise.
2053 (fix_truncsfsi2): Emit different code for SH4.
2054 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2055 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2056 (negsf2, sqrtsf2, abssf2): Now expanders.
2057 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2058 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2059 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2060 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2061 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2062 (fix_truncdfsi2_i4_2+1): New splitters.
2063 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2064 (extendsfdf2, truncdfsf2): New expanders.
2065 (truncdfsf2_i4): New insn.
2066 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2067 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2068 * float-sh.h: When testing for __SH3E__, also test for
2069 __SH4_SINGLE_ONLY__ .
2070 * va-sh.h (__va_freg): Define to float.
2071 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2072 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2073 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2074 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2076 (TARGET_SH4_P): Define.
2079 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2080 init_expr_once is satisfied about the existence of load / store insns.
2082 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2083 change m constraint in source operand to mr / mf .
2085 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2087 * (__VA_REEF): Define.
2088 (__va_arg_sh1): Use it.
2090 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2092 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2094 * i386/dgux.c (struct option): Add new "description field".
2095 * m88k/m88k.c (struct option): Likewise.
2097 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2099 * version.c: Bump for snapshot.
2101 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2103 * regmove.c (regmove_profitable_p): Use return value of find_matches
2106 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2108 * version.c: Bump for snapshot.
2110 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2112 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2113 without reload having been called earlier.
2115 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2117 (v850_reorg): Similarly.
2119 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2121 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2123 * loop.c (move_movables): Start of libcall might be new loop start.
2125 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2127 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2129 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2131 * function.c (nonlocal_goto_handler_slots): Renamed from
2132 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2133 (push_function_context_to): Adjust for this change.
2134 (pop_function_context_from): Likewise.
2135 (init_function_start): Likewise.
2136 (expand_function_end): Likewise.
2137 * function.h (struct function): Likewise.
2138 * calls.c (expand_call): Likewise.
2139 * explow.c (allocate_dynamic_stack_space): Likewise.
2140 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2141 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2143 (expand_goto): When doing a nonlocal goto, find corresponding handler
2144 slot for it. Don't put the label address in the static chain register.
2145 (expand_end_bindings): Break out nonlocal goto handling code into
2146 three new functions.
2147 (expand_nl_handler_label, expand_nl_goto_receiver,
2148 expand_nl_goto_receivers): New static functions, broken out of
2149 expand_end_bindings and adapted to create one handler per nonlocal
2151 * function.c (delete_handlers): Delete insn if it references any of
2152 the nonlocal goto handler slots.
2153 * i960.md (nonlocal_goto): Comment out code that modifies
2155 * sparc.md (nonlocal_goto): Likewise.
2156 (goto_handler_and_restore_v9): Comment out.
2157 (goto_handler_and_restore_v9_sp64): Comment out.
2159 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2161 * expr.c (STACK_BYTES): Delete unused macro.
2162 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2163 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2164 (expand_call): Likewise.
2165 (emit_library_call): Likewise.
2166 (emit_library_call_value): Likewise.
2167 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2168 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2169 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2170 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2171 (allocate_dynamic_stack_space): Likewise.
2172 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2173 (STACK_BOUNDARY): Update description to reflect the new situation.
2175 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2177 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2178 return with a filled delay slot is followed by a return with an
2179 unfilled delay slot, delete the first return and reemit the insn
2180 that was previously in its delay slot.
2182 * i860.c (single_insn_src_p): Add missing parens.
2183 * ginclude/math-3300.h: Likewise.
2185 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2187 * regclass.c (init_reg_sets_1): Add prototype.
2188 (init_reg_modes): Likewise.
2190 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2192 * c-common.c: Change warning messages to say `comparison is
2193 always true' or `comparison is always false' instead of the
2194 confusing `is always 0', `is always 1'.
2196 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2198 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2199 break instead of return (which loses closing '>').
2201 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2203 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2204 standard 387 constants.
2206 * i386.md (jump): Explicitly set "memory" attribute.
2207 (indirect_jump, prologue_set_stack_ptr): Likewise.
2208 (prologue_get_pc_and_set_got, pop): Likewise.
2209 (allocate_stack_worder, blockage, return_internal): Likewise.
2210 (return_pop_internal, nop): Likewise.
2211 (epilogue_set_stack_ptr, leave): Likewise.
2213 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2215 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2217 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2219 * reload1.c (reload_reg_free_for_value_p):
2220 Early auto_inc reloads don't conflict with outputs.
2222 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2224 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2225 Instead call AC_HEADER_SYS_WAIT.
2227 * collect2.c: Don't provide defaults for sys/wait.h macros.
2229 * protoize.c: Likewise. Also, don't include sys/wait.h.
2231 * system.h: Include sys/wait.h and provide macro defaults.
2233 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2235 * Makefile.in (mandir): Set to @mandir@.
2236 (man1dir): New variable to hold the former value of $(mandir).
2237 Replace all uses of $(mandir) by $(man1dir).
2239 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2241 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2242 a new one before passing it to force_const_mem.
2244 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2245 find_reloads_address call.
2247 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2249 * expr.c (store_expr): Don't generate load-store pair
2250 if TEMP is identical (according to ==) with TARGET.
2252 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2254 * reload1.c (reload_reg_free_for_value_p): When considered reload
2255 has an output, matching inputs are not sufficient to avoid conflict.
2257 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2259 * hash.h (hash_table_key): New type.
2260 (hash_entry): Change `string' field to generic `key'.
2261 (hash_table): Add `comp' and `hash' functions.
2262 (hash_table_init): Take them as input.
2263 (hash_table_init_n): Likewise.
2264 (hash_lookup): Modify for generic keys.
2265 (hash_newfunc): Likewise.
2266 (hash_traverse): Likewise.
2267 (string_hash): New function.
2268 (string_compare): Likewise.
2269 (string_copy): Likewise.
2270 * hash.c (hash_table_init_n): Modify for generic keys.
2271 (hash_table_init): Likewise.
2272 (hash_lookup): Likewise.
2273 (hash_newfunc): Likewise.
2274 (hash_traverse): Likewise.
2275 (string_hash): Split out from hash_lookup.
2276 (string_compare): New function.
2277 (string_copy): Split out from hash_lookup.
2278 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2280 (symbol_hash_lookup): Likewise.
2281 (file_hash_newfunc): Likewise.
2282 (file_hash_lookup): Likewise.
2283 (demangled_hash_newfunc): Likewise.
2284 (demangled_hash_lookup): Likewise.
2285 (tlink_int): Likewise.
2286 (read_repo_file): Likewise.
2287 (recompile_files): Likewise.
2288 (demangle_new_symbols): Likewise.
2289 (scan_linker_output): Likewise.
2291 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2293 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2295 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2297 * rs6000.c (output_mi_thunk): Improve test for local branch.
2299 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2301 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2303 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2305 * reload1.c (reload_reg_free_before_p): Delete.
2306 Changed all callers to use reload_reg_free_for_value_p instead.
2307 (reload_reg_free_for_value_p): Handle more reload types.
2308 A RELOAD_FOR_INPUT doesn't conflict with its
2309 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2310 Add special case for OUT == const0_rtx.
2311 Added ignore_address_reloads argument. Changed all callers.
2313 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2315 * toplev.c (compile_file): Don't pedwarn about undefined static
2316 functions just because we passed -Wunused.
2318 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2320 * function.c (purge_addressof_1): Unshare rtl created by
2323 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2325 * regmove.c (regmove_optimize): Don't do anything but
2326 optimize_reg_copy[123] when flag_regmove is not set.
2328 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2330 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2331 value in paradoxical SImode result, rather than truncating midpoint.
2333 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2335 * alpha.c (reg_not_elim_operand): New.
2336 * alpha.h (PREDICATE_CODES): Add it.
2337 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2338 for the multiplicand.
2340 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2342 * rs6000.md (movsf): Remove explicit secondary-reload-like
2343 functionality. Only truncate SFmode store if in FPR.
2344 (movsf splitters): Combine const_double splitters.
2345 (movsf_hardfloat): Add GPR support.
2347 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2349 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2350 deprecate -mlive-g0 and -mbroken-saverestore.
2351 * t-splet (MULTILIB_OPTIONS): Likewise.
2353 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2354 in a leaf function. Clarify total_size/extra_size relationship.
2356 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2358 * i386/cygwin32.asm: Delete.
2359 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2360 * i386/cygwin32.h: Delete.
2361 * i386/cygwin.h: New file, renamed from cygwin32.h.
2362 * i386/t-cygwin32: Delete.
2363 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2364 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2365 * i386/x-cygwin32: Delete.
2366 * i386/x-cygwin: New file, renamed from x-cygwin32.
2367 * i386/xm-cygwin32: Delete.
2368 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2369 renamed cygwin_ funcs for path translations.
2370 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2371 * i386/winnt.c: Remove "32" from comment about cygwin.
2372 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2373 * rs6000/cygwin32.h: Delete.
2374 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2375 -D__CYGWIN__ to CPP_PREDEFINES.
2376 * rs6000/x-cygwin32: Delete.
2377 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2378 * rs6000/xm-cygwin32: Delete.
2379 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2381 * configure.in: Check for cygwin* instead of cygwin32. Account
2382 for the rename of cygwin-related config files to lose the "32"s.
2383 * configure: Regenerate.
2385 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2386 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2388 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2390 * Makefile.in (JAVAGC): New macro.
2391 * configure: Rebuilt.
2392 * configure.in: Recognize --enable-java-gc argument. Subst
2395 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2397 Handle equivalences that have been obscured by gcse:
2399 * reload1.c (reload): Handle equivalences set up in multiple places.
2400 * local-alloc.c (reg_equiv_init_insns): New variable.
2401 (no_equiv): New function.
2402 (update_equiv_regs): Handle equivalences set up in multiple places.
2403 Don't ignore an insn just because its destination is likely to be
2406 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2408 * except.c (expand_eh_return): Readd force_operand call lost in
2411 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2413 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2415 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2417 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2419 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2421 * regmove.c (regmove_optimize): Fix error in last change.
2423 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2425 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2426 offset in the .mask pseudo to compensate for frame pointer adjustments.
2427 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2428 word swap arguments moved to/from FP registers.
2429 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2431 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2433 * version.c: Bump for snapshot.
2435 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2437 * version.c: Bump for snapshot.
2439 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2441 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2442 times, then it can not be completely replaced.
2444 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2446 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2448 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2450 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2451 (to distinguish it from the macro wrapping ansidecl.h.)
2452 Include libiberty's ansidecl.h. Remove all redundant definitions.
2453 Define the PROTO() style macros in terms of the PARAMS() ones.
2456 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2457 __STDC__, when deciding whether to use ANSI variable args.
2458 (emit_library_call_value): Likewise.
2460 * cccp.c (error): Likewise.
2461 (warning): Likewise.
2462 (error_with_line): Likewise.
2463 (warning_with_line): Likewise.
2464 (pedwarn): Likewise.
2465 (pedwarn_with_line): Likewise.
2466 (pedwarn_with_file_and_line): Likewise.
2469 * cexp.y (error): Likewise.
2470 (pedwarn): Likewise.
2471 (warning): Likewise.
2473 * collect2.c (fatal_perror): Likewise.
2477 * combine.c (gen_rtx_combine): Likewise.
2479 * cpperror.c (cpp_message): Likewise.
2480 (cpp_fatal): Likewise.
2482 * cpplib.c (cpp_error): Likewise.
2483 (cpp_warning): Likewise.
2484 (cpp_pedwarn): Likewise.
2485 (cpp_error_with_line): Likewise.
2486 (cpp_warning_with_line): Likewise.
2487 (cpp_pedwarn_with_line): Likewise.
2488 (cpp_pedwarn_with_file_and_line): Likewise.
2490 * cpplib.h: Don't define PARAMS() macro.
2492 * demangle.h: Likewise.
2494 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2495 when deciding whether to use ANSI variable args.
2497 * emit-rtl.c (gen_rtx): Likewise.
2498 (gen_rtvec): Likewise.
2500 * final.c (asm_fprintf): Likewise.
2502 * fix-header.c (cpp_message): Likewise.
2504 (cpp_fatal): Likewise.
2506 * gcc.c (concat): Likewise.
2510 * genattr.c (fatal): Likewise.
2512 * genattrtab.c (attr_rtx): Likewise.
2513 (attr_printf): Likewise.
2516 * gencodes.c (fatal): Likewise.
2518 * genconfig.c (fatal): Likewise.
2520 * genemit.c (fatal): Likewise.
2522 * genextract.c (fatal): Likewise.
2524 * genflags.c (fatal): Likewise.
2526 * genopinit.c (fatal): Likewise.
2528 * genoutput.c (fatal): Likewise.
2531 * genpeep.c (fatal): Likewise.
2533 * genrecog.c (fatal): Likewise.
2535 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2536 deciding whether to declare `tree_node' and `rtx_def'.
2538 * hash.h: Don't define stuff we get from gansidecl.h.
2540 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2541 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2542 whether to use ANSI variable args.
2545 * prefix.c (concat): Likewise.
2549 * system.h: Likewise.
2551 * toplev.c (error_with_file_and_line): Likewise.
2552 (error_with_decl): Likewise.
2553 (error_for_asm): Likewise.
2556 (warning_with_file_and_line): Likewise.
2557 (warning_with_decl): Likewise.
2558 (warning_for_asm): Likewise.
2559 (warning): Likewise.
2560 (pedwarn): Likewise.
2561 (pedwarn_with_decl): Likewise.
2562 (pedwarn_with_file_and_line): Likewise.
2564 (really_sorry): Likewise.
2566 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2567 whether to declare `tree_node' and `rtx_def'.
2569 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2570 deciding whether to use ANSI variable args.
2571 (build_nt): Likewise.
2572 (build_parse_node): Likewise.
2574 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2576 * version.c: Bump for snapshot.
2578 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2580 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2582 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2584 * collect2.c (main, case 'b'): Use else if.
2586 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2588 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2589 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2590 before the config/ directory headers.
2591 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2592 gansidecl.h in the list of dependencies.
2594 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2595 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2596 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2597 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2598 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2599 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2602 * cccp.c: Don't include gansidecl.h.
2604 * collect2.c: Likewise.
2605 * config/c4x/c4x.c: Likewise.
2606 * config/v850/v850.h: Likewise.
2607 * cppalloc.c: Likewise.
2608 * cpperror.c: Likewise.
2609 * cppexp.c: Likewise.
2610 * cppfiles.c: Likewise.
2611 * cpphash.c: Likewise.
2612 * cpplib.c: Likewise.
2613 * cppmain.c: Likewise.
2614 * cppulp.c: Likewise.
2615 * demangle.h: Likewise.
2616 * doprint.c: Likewise.
2617 * dyn-string.c: Likewise.
2618 * eh-common.h: Likewise.
2619 * fix-header.c: Likewise.
2620 * frame.c: Likewise.
2623 * gen-protos.c: Likewise.
2624 * gencheck.c: Likewise.
2625 * halfpic.h: Likewise.
2627 * machmode.h: Likewise.
2628 * mbchar.c: Likewise.
2629 * prefix.c: Likewise.
2630 * protoize.c: Likewise.
2631 * recog.h: Likewise.
2633 * scan-decls.c: Likewise.
2635 * varray.h: Likewise.
2637 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2639 * i386.md (call_value_pop): If we're not popping anything,
2640 defer to call_value.
2641 (call_pop): Likewise defer to call.
2643 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2645 * function.c (purge_addressof): Clear purge_addressof_replacements
2646 only after processing the whole function.
2648 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2650 * reload1.c (reload): If we can not perform a particular elimination
2651 when we thought we could earlier, then we must always iterate through
2652 the loop at least one more time.
2654 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2656 * alpha.c (add_operand): Simplify the CONST_INT match.
2657 (sext_add_operand): Correct typo in comparison by using
2658 CONST_OK_FOR_LETTER_P.
2659 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2660 constant alternatives to be generated.
2661 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2662 small constants, since the hw instructions do.
2664 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2666 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2667 previous insn to store directly into our reload register, make sure
2668 that if the source of the previous insn is a reload register, its
2669 spill_reg_store and spill_reg_stored_to values are cleared.
2671 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2673 * rs6000.md (floatunssidf2_internal splitter): Use base register
2674 operand, not hard-coded SP.
2676 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2678 * jump.c (calculate_can_reach_end): Fix thinko.
2680 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2682 * reorg.c (fill_simple_delay_slots): Fix typo.
2684 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2686 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2688 * i386.md (extendsidi2): Use # in the output template.
2689 (extendsidi splitters): New splitters.
2691 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2693 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2695 * configure: Regenerate.
2697 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2699 * jump.c (init_label_info, delete_barrier_successors,
2700 mark_all_labels, delete_unreferenced_labels,
2701 delete_noop_moves, calculate_can_reach_end): New functions broken
2702 out of jump_optimize.
2703 (jump_optimize): Use them.
2705 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2707 * except.c (expand_fixup_region_end): Make sure outer context labels
2708 are not issued in an inner context during cleanups.
2710 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2712 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2715 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2717 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2718 to expose this midpoint to CSE.
2720 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2722 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2724 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2726 * configure.in: Bring over gcc2 change of Nov 19 1997.
2728 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2730 * toplev.c (output_lang_identify): Make definition dependent on
2731 ASM_IDENTIFY_LANGUAGE.
2733 * print-rtl.c (spaces): Make static.
2735 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2737 * extend.texi: Clarify proper uses for register clobbers in asms.
2739 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2741 * recog.h (enum op_type): Define.
2742 (constrain_operands): Adjust prototype.
2743 (recog_op_type): Declare new variable.
2744 * recog.c (recog_op_type): New variable.
2745 (insn_invalid_p): Allow modifying an asm statement after reload.
2746 (extract_insn): Set up recog_op_type.
2747 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2748 Don't compute operand types, use recog_op_type.
2749 Use the information computed by extract_insn instead of the previous
2750 method of finding it by insn code number.
2751 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2752 * reorg.c (fill_slots_from_thread): Likewise.
2753 * reload1.c (reload_as_needed): Likewise.
2754 (gen_reload): Likewise.
2755 (inc_for_reload): Likewise.
2756 (reload_cse_simplify_operands): Likewise.
2757 Use the information computed by extract_insn instead of the previous
2758 method of finding it by insn code number.
2759 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2761 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2762 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2763 Use the information computed by extract_insn instead of the previous
2764 method of finding it by insn code number.
2765 * regmove.c (find_matches): Likewise. Change meaning of the return
2766 value to be nonzero if the optimization can be performed, zero if
2767 not. All callers changed.
2768 Shorten some variable names to fix formatting problems.
2769 (regmove_optimize): Shorten some variable names to fix formatting
2771 Use the information computed by extract_insn instead of the previous
2772 method of finding it by insn code number.
2773 * regclass.c (scan_one_insn): Likewise.
2774 (record_reg_classes): Don't compute operand types, use recog_op_type.
2775 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2776 recog_constraints instead.
2778 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2780 * rtl.h (flow2_completed): Declare.
2781 * flow.c (flow2_completed): Definition.
2782 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2785 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2787 * Makefile.in (libcpp.a): Ranlib libcpp.a
2789 * cppulp.c (user_label_prefix): Initialize.
2791 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2793 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2794 at a RETURN if current_function_sp_is_unchanging is set.
2796 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2798 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2800 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2802 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2803 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2804 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2805 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2806 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2807 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2809 (LIB_SPEC): Handle -mno-cyginw option.
2810 (LINK_SPEC): Handle -mdll.
2812 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2814 * reload.c (find_reloads): Fix test for usage by other reload
2815 to handle secondary reloads properly.
2817 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2819 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2820 intermediate structure which has exactly the members provided by
2821 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2822 static intermediate structure.
2824 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2825 from the intermediate structure. Do the same analogous fix in
2826 the case where ELIMINABLE_REGS is not defined.
2828 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2830 * pa.h (SELECT_SECTION): Fix thinko.
2832 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2834 * dwarf2out.c (output_call_frame_info): Comments on last change.
2836 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2838 * arm.c (add_constant): When taking the address of an item in the
2839 pool, get the mode of the item addressed.
2841 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2842 contain a SET or a PARALLEL, don't consider it for conditional
2845 Restore ABI compatibility for NetBSD.
2846 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2848 (RETURN_IN_MEMORY): Likewise.
2850 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2852 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2853 (m32r_output_block_move): Rewrite bytes < 4 handling.
2855 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2857 * configure.in: Call AC_FUNC_VFORK.
2859 * collect2.c: Define VFORK_STRING as a printable string for
2860 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2861 defined, include vfork.h. If VMS is defined, define vfork()
2862 appropriately. Remove vfork check on USG, we're using autoconf.
2863 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2864 checking locally what string to pass.
2865 (scan_prog_file): Likewise.
2866 (scan_libraries): Likewise.
2868 * gcc.c: Remove vfork check on USG, we're using autoconf.
2869 Besides, no calls to vfork/fork occur in this file.
2871 * protoize.c: Likewise.
2873 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2875 * configure.in (DEFAULT_LINKER): renamed from LD
2876 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2877 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2878 * configure: rebuilt
2880 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2882 * BUGS: fix the regexp for `more' to find the appropriate node.
2883 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2885 * BUGS: added link to the WWW FAQ
2887 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2889 * version.c: Bump for snapshot.
2891 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2893 * From Christian Gafton:
2894 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2895 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2896 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2898 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2900 * c-common.c (c_get_alias_set): Allow all type-punning through
2901 unions. Don't get confused about the type of a bit-field, despite
2902 the antics of build_modify_expr.
2904 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2906 * fixinc.sco: Paramaterize #include_next values.
2907 * fixinc/fixinc.sco: Likewise.
2909 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2911 * toplev.c (rest_of_compilation): No longer set reload_completed.
2912 * reload1.c (reload): Set it here. Perform instruction splitting
2913 after reload has completed if we will be running the scheduler
2916 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2918 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2919 EH region if exceptions are enabled and we're performing cross
2921 (find_cross_jump): Exit loop if the insns are in different EH regions.
2923 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2925 * dwarf2out.c (output_call_frame_info): Use
2926 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2928 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2930 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2931 * c-common.c (check_format_info): Don't check for the 'x'
2932 format character twice, instead check for 'x' and 'X'
2934 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2936 * configure.in (assembler features): Also make gas is configured if
2937 we find it in the souce tree.
2939 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2941 * i386.c (i386_comp_type_attributes): Compare whether the
2942 attributes are defined, not their tree nodes.
2944 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2946 * configure.in (gxx_include_dir): bitten by autoconf quoting
2948 * configure: rebuilt
2950 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2952 * configure.in: Ignore non-absolute value in $AS.
2954 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2956 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2958 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2960 * configure.in (msdosdjgpp): Set exeext and target_alias.
2962 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2964 * flow.c (XNMALLOC): New macro.
2965 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2967 (add_edge, add_edge_to_label): New static functions.
2968 (free_bb_memory): New function.
2969 (flow_delete_insn): Delete function.
2970 (basic_block_drops_in): Delete variable.
2971 (find_basic_blocks): Allocate and initialize basic_block_head,
2972 basic_block_succ. Don't allocate basic_block_drops_in.
2973 Call free_bb_memory at the beginning.
2974 (find_basic_blocks_1): Don't do multiple passes.
2975 Delete code to compute basic_block_drops_in.
2976 After calling make_edges, mark blocks reached by current block live.
2977 Update test for unreachable live blocks.
2978 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2980 Simplify to call add_edge_to_label when a LABEL_REF is found.
2981 (make_edges): Simplify to call add_edge_to_label instead of
2982 mark_label_ref most of the time.
2983 Compute here whether control drops into the next block.
2984 (delete_unreachable_blocks): Return void. All callers changed.
2985 Delete unreachable blocks in reverse order.
2986 After deleting all unreachable blocks, renumber the remaining ones
2987 and update n_basic_blocks.
2988 (delete_block): Speed up deletion a bit.
2989 Don't set basic_block_drops_in for deleted blocks.
2990 (free_basic_block_vars): Don't free basic_block_drops_in.
2991 (life_analysis_1): Update to use new edge representation.
2992 (dump_flow_info): Delete code to print basic block info; call
2993 dump_bb_data instead.
2994 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2995 and uid_block_number.
2996 Simply copy the previously computed cfg.
2997 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2998 Print register lifetime information if LIVE_INFO is nonzero.
2999 * basic-block.h (dump_bb_data): Adjust prototype.
3000 * gcse.c (gcse_main): Update call to dump_bb_data.
3001 * rtl.h (free_bb_memory): Declare.
3002 * toplev.c (rest_of_compilation): Call free_bb_memory.
3004 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3005 (update_eliminable_offsets): Don't compute it.
3006 (set_initial_elim_offsets): Don't initialize it.
3007 Break out some code into set_initial_label_offsets so the rest of
3008 this function can be called from reload_as_needed.
3009 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3010 ELIMINABLE_REGS isn't.
3011 (set_initial_label_offsets): New function, broken out of
3012 set_initial_elim_offsets.
3013 (set_offsets_for_label): New function, broken out of set_label_offsets
3014 and reload_as_needed.
3015 (reload): Call the two new functions.
3016 (reload_as_needed): Call set_initial_elim_offsets instead of
3017 duplicating the code. Likewise for set_offsets_for_label.
3019 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3020 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3021 any hard reg, reg_reloaded_dead contains valid data.
3023 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3025 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3026 "stdcall" and "cdecl" attributes.
3028 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3030 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3031 handle deleted no-op moves of hard registers.
3032 * haifa-sched.c (update_flow_info): Likewise.
3034 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3036 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3037 of the sequences to reload the HILO register which do not actually
3040 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3042 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3044 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3046 * except.c (emit_eh_context): Make the EH context register stay alive
3047 at -O0 so stupid.c doesn't get confused.
3049 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3051 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3053 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3054 Jeffrey A Law (law@cygnus.com)
3056 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3057 (zero_extendsidi2): Use # in output template and handle completely by
3059 (zero_extend splitters): New define_splits.
3060 (ashiftrt_32): New pattern.
3062 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3064 * tree.c (append_random_chars): New fn.
3065 (get_file_function_name_long): Use it.
3067 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3069 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3070 (LIBCPP_OBJS): New. Add cppulp.o.
3071 (cppmain, fix-header): Depend on and use libcpp.a.
3072 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3073 of the individual object files.
3074 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3077 * cccp.c (user_label_prefix): New.
3078 (main): Set it off -f*leading-underscore.
3079 (special_symbol): Use it.
3080 * cpplib.c (special_symbol): Likewise.
3081 (cpp_handle_option): Handle -f*leading-underscore.
3082 * cppulp.c: New file.
3084 * output.h (user_label_prefix): Declare it.
3085 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3086 * toplev.c (f_options, main): Handle -f*leading-underscore.
3088 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3089 referencing USER_LABEL_PREFIX directly.
3090 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3091 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3092 * final.c (asm_fprintf): Use user_label_prefix instead.
3093 * arm/thumb.c (thumb_print_operand): Likewise.
3095 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3096 cpp wherever appropriate.
3098 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3100 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3101 specific compiler switches.
3103 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3105 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3108 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3110 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3111 structure which has exactly the members provided by EXTRA_SPECS.
3112 Xmalloc() the real `extra_specs', and initialize it from this
3113 intermediate structure.
3115 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3117 * mips.h (EXTRA_SPECS): Likewise.
3119 * sparc.h (EXTRA_SPECS): Likewise.
3121 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3123 * function.c (purge_addressof_1): Instead of aborting when a
3124 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3125 work just put the ADDRESSOF on stack. Otherwise remember all such
3126 successfull replacements, so that exactly the same replacements
3127 can be made on the REG_NOTEs. Remove the special case for CALL
3129 (purge_addressof_replacements): New variable.
3130 (purge_addressof): Clear it at end.
3132 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3134 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3135 (lang_init): Call check_newline always.
3136 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3137 cpp_start_read, set yy_cur and yy_lim to read from
3138 parse_in.token_buffer, so that we'll see the first #line
3140 * cpplib.c (cpp_start_read): finclude the main input file
3141 before processing -include/-imacros. Process -imacros and
3142 -include separately, and handle -include by stacking a
3143 buffer for the file in question as if it'd been #included.
3144 * toplev.c (documented_lang_options) Recognize -H when
3147 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3149 * cpplib.c: Merge do_once into do_pragma. Break file handling
3150 code out of do_include.
3151 Move append_include_chain, deps_output,
3152 file_cleanup, redundant_include_p, import_hash,
3153 lookup_import, add_import, read_filename_string, read_name_map,
3154 open_include_file, finclude, safe_read to cppfiles.c.
3155 Move prototypes for deps_output, append_include_chain,
3156 finclude to cpplib.h. Move definition of struct
3157 file_name_list there also.
3159 * cppfiles.c: New file. Contains all the above functions
3160 broken out of cpplib.c; also hack_vms_include_specification
3161 from cccp.c and find_include_file, a new function broken out of
3164 * Makefile.in (cppmain): Depend on cppfiles.o.
3165 (fix-header): Likewise.
3166 (cppfiles.o): New target.
3167 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3168 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3170 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3172 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3173 if pending_types is non-zero.
3174 (dwarfout_finish): Verify pending_types is zero before finishing.
3176 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3178 * expr.c (convert_move): Use shifts to perform the move if a
3179 suitable extend pattern cannot be found. Code written by
3180 Richard Henderson <rth@cygnus.com>.
3182 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3184 * regclass.c (renumber, regno_allocated): New static variables, moved
3185 out of allocate_reg_info.
3186 (allocate_reg_info): Move these two variables outside the function.
3187 Move code to free memory into new function free_reg_info.
3188 (free_reg_info): New function, broken out of allocate_reg_info.
3189 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3190 * rtl.h (allocate_reg_info): Don't declare.
3191 (free_reg_info): Declare.
3193 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3195 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3197 * toplev.c (compile_file): Temporarily revert last change.
3199 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3201 * c-typeck.c (convert_for_assignment): Parenthesize.
3203 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3205 * reload1.c (delete_output_reload): Avoid ambigous else.
3207 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3209 * toplev.c (compile_file): Call allocate_reg_info to free register
3211 * rtl.h (allocate_reg_info): Declare.
3213 * PROJECTS: Remove entry for local spilling.
3215 * final.c (cleanup_subreg_operands): New function.
3216 (final_scan_insn): Use it.
3217 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3219 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3220 operands when reload has finished.
3221 * reload.h (cleanup_subreg_operands): Declare..
3222 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3223 reload. Handled in reload itself.
3225 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3227 * reload1.c (verify_initial_offsets): New function.
3228 (reload): Call it after reload_as_needed. Also verify that the frame
3229 size stays constant during reload_as_needed.
3230 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3232 * reload.h (struct insn_chain): Add need_operand_change element.
3233 * reload1.c (new_insn_chain): Clear it.
3234 (calculate_needs_all_insns): Set it; don't overload need_reload.
3235 (reload_as_needed): Use it.
3237 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3238 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3239 and reload_address_index_reg_class.
3240 (find_reloads_address_1): Likewise.
3241 * reload.h (reload_address_base_reg_class,
3242 reload_address_index_reg_class): Don't declare.
3243 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3244 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3245 (used_spill_regs): Now static.
3246 (reload_address_base_reg_class, reload_address_index_reg_class,
3247 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3248 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3249 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3252 (init_reload): Delete code to compute base/index reg classes.
3253 (reload): Delete variable J.
3254 Delete code to manage basic_block_needs.
3255 Don't compute regs_explicitly_used.
3256 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3257 pseudo_previous_regs.
3258 Initialize bad_spill_regs_global.
3259 Don't call order_regs_for_reload here.
3260 Don't initialize spill_reg_order and n_spills.
3261 Don't forbid explicitly used regs to be used for spill regs.
3262 Change main loop to infinite loop, with explicit break statements.
3263 Make SOMETHING_CHANGED variable local to that loop.
3264 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3265 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3266 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3268 Don't call dump_needs.
3269 Delete code to reset potential_reload_regs.
3270 Delete code to terminate loop conditional on the global needs variables
3271 showing no further needs.
3272 (calculate_needs_all_insns): Return void. All callers changed.
3273 Initialize somehing_needs_elimination here, not in reload.
3274 Delete avoid_return_reg kludge.
3275 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3276 All callers changed.
3277 Initialize the group_mode and group_size elements of the arg CHAIN.
3278 Delete code to manage basic_block_needs.
3279 Operate on elements of CHAIN instead of global variables.
3280 Delete avoid_return_reg kludge.
3281 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3282 All callers changed.
3283 Operate on elements of CHAIN instead of global variables.
3284 Delete special SMALL_REGISTER_CLASSES code.
3285 Delete spill_failure code; now in new_spill_reg.
3286 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3287 All callers changed.
3288 Operate on elements of CHAIN instead of global variables.
3289 (maybe_mark_pseudo_spilled): New static function.
3290 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3291 All callers changed.
3292 Operate on elements of CHAIN instead of global variables.
3293 Call order_regs_for_reload here, not in reload.
3294 Initialize spill_reg_order and n_spills.
3295 Simplify test whether an asm insn is involved.
3296 Delete spill_failure code; now in new_spill_reg.
3297 Call maybe_mark_pseudo_spilled for everything marked as live in
3298 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3300 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3301 compiler from optimizing this function (now unused) away.
3302 Operate on elements of CHAIN instead of global variables.
3303 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3305 Operate on elements of CHAIN instead of global variables.
3306 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3307 take CHAIN arg. All callers changed.
3308 Operate on elements of CHAIN instead of global variables.
3309 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3310 CHAIN, NONGROUP args. Return void. All callers changed.
3311 Verify caller isn't trying to spill a pseudo.
3312 Simplify test for illegal reg, just use bad_spill_regs.
3313 Generate better error messages.
3314 Operate on elements of CHAIN instead of global variables.
3315 Mark spilled register in CHAIN's used_spill_regs element.
3316 Don't call spill_hard_reg.
3317 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3318 Mark spilled hard regs in bad_spill_regs_global.
3319 Mark affected pseudos in spilled_pseudos, but don't spill them.
3320 (ior_hard_reg_set): New static function.
3321 (finish_spills): Return int. All callers changed.
3322 Compute spill_reg_order, n_spills and spill_regs here. Also update
3323 regs_ever_live for regs used as spills.
3324 For every pseudo in spilled_pseudos, spill it and mark the previous
3325 hard reg it had in pseudo_previous_regs. Compute which hard regs
3326 arseudo): New static function.
3327 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3328 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3329 hard registers explicitly used across the current insn into the set.
3330 Compute hard_reg_n_uses taking only pseudos live across this insn
3332 Tweak sorting of potential_reload_regs.
3333 (compare_spill_regs): Delete function.
3334 (reload_as_needed): Don't sort the spill_regs array, it's computed
3335 in proper order in finish_spills.
3336 Delete avoid_return_reg kludge.
3337 Delete code to manage basic_block_needs.
3338 (allocate_reload_reg): Minor speed/readability tweaks.
3339 Operate on elements of CHAIN instead of global variables.
3340 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3341 Delete avoid_return_reg kludge.
3342 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3343 Delete unused label FAIL.
3344 (reload_combine): Replce reload_address_index_reg_class with
3346 Don't use used_spill_regs to determine information about lifetime of
3349 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3351 * toplev.c (display_help): Ignore empty target specific
3352 options, and if -W is also specified on the command line then
3353 display undocumented options.
3355 * config/arm/arm.c: Updated with changes in devo sources.
3356 * config/arm/arm.h: Updated with changes in devo sources.
3357 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3358 * config/arm/lib1thumb.asm: Add ELF support.
3360 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3362 * collect2.c (aix64_flag): New variable.
3363 (main, case 'b'): Parse it.
3364 (GCC_CHECK_HDR): object magic number must match mode.
3365 (scan_prog_file): Only check for shared object if valid header.
3366 Print debugging if header/mode mismatch.
3368 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3370 Added support for arm-elf-linux configuration, submitted by Philip
3371 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3372 code developed by Catherine Moore <clm@cygnus.com>. The following
3375 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3378 * configure: Regenerated.
3380 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3381 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3382 definitions conditional on their not having been already defined.
3384 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3385 and .type directives, and add "(PLT)" qualification to function
3388 * config/arm/linux.h: Deleted. This file is now superceeded by
3389 either linux-elf.h or linux-aout.h.
3391 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3392 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3394 Move definitions from old linux.h file here.
3396 * config/arm/elf.h: New file. Generic ARM/ELF support.
3398 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3400 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3402 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3403 using the 26bit APCS.
3405 * config/arm/unknown-elf.h: New file. Support for OS'es other
3406 than Linux with ELF.
3408 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3411 * config/arm/coff.h: Include aout.h for basic assembler macros.
3412 Add support for -mstructure_size_boundary=<n> command line option.
3414 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3415 command line option. Make macro definitions conditional on their
3416 not having been already defined.
3418 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3419 command line option.
3422 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3424 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3425 has been changed to not include a newline. Use this macro instead.
3426 (output_enumeral_list, const_value_attribute, name_attribute,
3427 comp_dir_attribute, prototyped_attribute, producer_attribute,
3428 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3429 dwarfout_file_scope_decl, generate_new_sfname_entry,
3430 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3431 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3433 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3435 * combine.c (subst): Process the inputs to a parallel asm_operands
3438 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3440 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3442 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3444 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3446 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3448 * version.c: Bump for snapshot.
3450 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3452 * stmt.c (expand_fixup): Set fixup->before_jump to a
3453 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3455 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3457 * Makefile.in (recog.o): Depend on toplev.h.
3458 (insn-emit.o): Depend on recog.h.
3459 (insn-peep.o): Depend on recog.h and insn-config.h.
3461 * combine.c (simplify_set): Remove unused variable `scratches'.
3463 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3464 and `idx' in macro conditional controlling their use.
3466 * genemit.c (main): Make the generated output file include
3467 recog.h. Don't have it declare `insn_operand_constraint', since
3468 we get it from recog.h.
3470 * genpeep.c (main): Make the generated output file include
3471 insn-config.h and recog.h.
3473 * recog.c: Include toplev.h.
3474 (extract_insn): Remove unused variable `p'.
3476 * regclass.c (fix_register): Add missing braces around initializer
3478 (allocate_reg_info): Move variable `i' into the scope where it is
3479 used. Change its type to `size_t'.
3481 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3483 * reload.c (push_reload): When merging reloads, make sure
3484 that reload_in_reg and reload_in are from the same reload in
3487 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3489 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3490 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3492 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3494 * loop.c (loop_has_tablejump): New variable.
3495 (prescan_loop): Scan for it.
3496 (insert_bct): Replace explicit scan with use of it.
3497 * regclass.c (regclass): Restore loop variable j.
3498 (record_reg_classes): Deterine op_types modifiers and initialize
3499 classes[i] before matching constraints. Handle matching
3502 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3504 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3507 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3509 * mips.h (EXTRA_SPECS): Add missing initializers.
3511 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3513 * sparc.h (EXTRA_SPECS): Add missing initializers.
3514 (sparc_defer_case_vector): Provide a prototype.
3516 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3517 comparing it to the result of a pointer subtraction.
3519 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3521 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3522 the argument to (unsigned char).
3524 * alpha.h (EXTRA_SPECS): Add missing initializers.
3525 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3528 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3530 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3531 (propagate_block): Delete dead code after reload.
3533 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3534 back Oct 15, 1998 change.
3535 * haifa-sched.c (update_flow_info): Likewise.
3536 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3538 * mn10200.md (truncated shift): Accept constant inputs too.
3540 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3542 * machmode.h (mode_mask_array): No longer const.
3543 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3545 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3547 * frame.c: Somewhat explain `FDE'.
3548 Suggested by Brendan Kehoe
3550 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3552 * expr.c (pending_chain): Move up.
3553 (save_expr_status): Do save pending_chain.
3554 (restore_expr_status): And restore it.
3555 * function.h (struct function): Add pending_chain.
3557 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3559 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3560 did not match the code.
3562 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3564 * regclass.c (regclass): Break out some code into new function
3565 scan_one_insn, and into regclass_init.
3566 (init_cost): New static variable, moved out of regclass.
3567 (regclass_init): Initialize it here, not in .
3568 (scan_one_insn): New static function, broken out of regclass.
3569 * recog.c (apply_change_group): Break out some code into new
3570 function insn_invalid_p.
3571 (insn_invalid_p): New static fn, broken out of apply_change_group.
3573 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3575 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3576 reg_reloaded_contents matches incremented pseudo.
3578 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3580 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3582 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3583 addressing modes with side effects. These are currently
3584 placeholders for the C4x target.
3586 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3588 * loop.c (express_from): Make sure that when generating a PLUS of
3589 a PLUS, any constant expression appears on the outermost PLUS.
3591 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3593 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3594 works if "$(srcdir)" != ".".
3596 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3598 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3599 existing SUBREG if we can, otherwise abort.
3601 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3603 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3604 `restrict' is applied to a non-pointer variable.
3606 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3608 * invoke.texi: Document -flang-isoc9x.
3610 * Makefile.in (OBJS): Add splay-tree.o.
3611 (c-common.o): Depend on rtl.h.
3612 (splay-tree.o): List dependencies and provide build rule.
3614 * rtl.h (record_alias_subset): New function.
3615 * alias.c: Include splay-tree.h.
3616 (alias_set_entry): New type.
3617 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3618 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3619 (mems_in_disjoin_alias_sets_p): New function.
3620 (alias_set_compare): Likewise.
3621 (insert_subset_children): Likewise.
3622 (get_alias_set_entry): Likewise.
3624 * tree.h (TYPE_RESTRICT): New macro.
3625 (TYPE_UNQUALIFIED): New manifest constant.
3626 (TYPE_QUAL_CONST): Likewise
3627 (TYPE_QUAL_VOLATILE): Likewise.
3628 (TYPE_QUAL_RESTRICT): Likewise.
3629 (tree_type): Add restrict_flag. Reduce count of free bits.
3630 (DECL_POINTER_ALIAS_SET): New macro.
3631 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3632 (tree_decl): Add pointer_alias_set.
3633 (build_qualified_type): New function.
3634 (build_type_variant): Define in terms of build_qualified_type.
3635 * tree.c (set_type_quals): New function.
3636 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3637 (build_type_attribute_variant): Use build_qualified_type and
3639 (build_type_variant): Rename, and modify, to become...
3640 (build_qualified_type): New function.
3641 (build_complex_type): Use set_type_quals.
3643 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3644 (C_TYPE_FUNCTION_P): Likewise.
3645 (C_TYPE_INCOMPLETE_P): Likewise.
3646 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3647 (c_apply_type_quals_to_decl): New function.
3648 (c_build_qualified_type): New function.
3649 (c_build_type_variant): Define in terms of c_build_qualified_type.
3650 (flag_isoc9x): Declare.
3651 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3652 (common_type): Change to use TYPE_QUALS.
3653 (comptypes): Likewise.
3654 (convert_for_assignment): Likewise.
3655 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3656 * c-decl.c (flag_isoc9x): Define.
3657 (c_decode_option): Handle -flang-isoc9x.
3658 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3659 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3660 * c-lex.c (init_lex): Deal with restrict.
3661 (init_lex): Don't treat restrict as a reserved word in
3662 -traditional mode, or without -flang-isoc9x.
3663 * c-lex.h (rid): Add RID_RESTRICT.
3664 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3665 equivalent to RID_RESTRICT.
3666 * c-parse.in (TYPE_QUAL): Update comment.
3667 * c-common.c: Include rtl.h.
3668 (c_find_base_decl): New function.
3669 (c_build_type_variant): Rename, and modify, to become ...
3670 (c_build_qualified_type): New function.
3671 (c_apply_type_quals_to_decl): Likewise.
3672 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3673 a particular alias set for the reference.
3674 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3676 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3678 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3679 command line switches.
3681 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3683 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3686 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3688 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3690 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3692 * regclass.c (fix_register): Add error message.
3693 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3696 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3698 * c-decl.c (warn_missing_noreturn): New global variable.
3699 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3700 (finish_function): Implement missing noreturn warning.
3702 * c-tree.h (warn_missing_noreturn): Declare extern.
3704 * invoke.texi: Document new flags.
3706 * toplev.c (documented_lang_options): Add description.
3708 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3710 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3711 loop optimization stable for the C4x.
3712 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3713 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3714 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3716 (c4x_address_conflict): Be more paranoid when packing a volatile
3717 memref in a parallel load/store.
3719 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3721 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3722 repeat_block_filler): Deleted.
3723 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3724 Condition code not set if destination register from 'c' class.
3725 (*subbqi3_carry_clobber): Fix typo.
3727 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3729 * reorg.c (steal_delay_list_from_target) Check for insns that
3730 modify the condition codes and effect the direction of the jump
3733 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3735 * function.c (purge_addressof_1): Replace call to
3736 emit_insns_before() with emit_insn_before().
3738 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3740 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3742 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3744 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3746 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3748 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3749 clobbered across calls.
3751 * loop.c (scan_loop): Be more selective about what invariants are
3752 moved out of a loop.
3754 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3756 * version.c: Bump for snapshot.
3758 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3760 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3761 static eh_context structure.
3763 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3765 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3767 (try_combine): Don't update max_scratch.
3768 * flow.c (max_scratch, num_scratch): Delete variables.
3769 (life_analysis_1): Don't initialize max_scratch.
3770 (propagate_block): Don't update max_scratch.
3771 (mark_set_1): Don't increment num_scratch.
3772 * regs.h (max_scratch): Delete declaration.
3774 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3776 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3777 is nonzero. This is temporary!
3779 * sched.c (update_flow_info): Handle death notes made invalid by
3780 instruction splitting. Partially reverts Oct 15, 1998 patch.
3781 * haifa-sched.c (update_flow_info): Likewise.
3783 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3785 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3786 if it has a nonzero DECL_INITIAL.
3788 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3790 * Makefile.in (flow.o): Depend on recog.h.
3792 * cpplib.h (directive_table): Add missing initializiers.
3793 (finclude): Change type of variable `bsize' to size_t.
3795 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3797 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3799 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3800 `int' when comparing against one.
3801 (cpp_file_line_for_message): Mark parameter `pfile' with
3803 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3805 * flow.c: Include recog.h.
3806 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3808 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3809 `f' with ATTRIBUTE_UNUSED.
3810 (reposition_prologue_and_epilogue_notes): Likewise.
3812 * genopinit.c (gen_insn): Cast argument of ctype functions to
3815 * haifa-sched.c: Include recog.h.
3816 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3817 comparing against one.
3819 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3821 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3823 (parse_ent): Likewise.
3824 (parse_input): Likewise.
3826 * optabs.c (init_libfuncs): Likewise.
3828 * protoize.c (find_rightmost_formals_list): Likewise.
3830 * recog.h (const_double_operand): Fix typo in prototype.
3832 * tlink.c (scan_linker_output): Cast the argument of ctype
3833 function to `unsigned char'.
3835 * toplev.c (check_lang_option): Cast the result of `strlen' to
3836 `int' when comparing against one.
3838 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3840 * gcse.c (dump_cuid_table): Correct typo.
3842 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3844 * toplev.c (display_help): Prepend '-m' to target specific
3846 (check_lang_option): Ignore text after end of first word of a
3847 language specific option.
3849 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3851 * reload1.c (reg_used_by_pseudo): New static variable.
3852 (choose_reload_regs): Initialize it.
3853 Use it instead of testing spill_reg_order to determine whether a
3854 pseudo is live in a hard register across the current insn.
3855 Fix a typo in a reference to reload_reg_rtx.
3857 * flow.c (propagate_block): Replace code that computes and uses
3858 regs_sometimes_live with simpler code that just walks the set of
3859 currently live registers.
3861 * Makefile.in (insn-extract.o): Fix dependencies.
3862 * genextract.c (main): Generate includes for insn-config.h and
3864 Delete generation of declarations which are now in recog.h.
3865 * genrecog.c (main): Delete generation of definitions which are
3867 * local-alloc.c (block_alloc): Use extract_insn and the variables
3868 it sets up instead of looking up values by insn_code.
3869 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3870 recog_dup_num): Define here instead of generating the definition in
3872 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3873 recog_operand_mode, recog_constraints, recog_operand_address_p):
3875 (extract_insn): New function.
3876 * recog.h (extract_insn): Declare function.
3877 (which_alternative, recog_n_operands, recog_n_dups,
3878 recog_n_alternatives, recog_operand_mode, recog_constraints,
3879 recog_operand_address_p): Declare variables.
3880 * regclass.c (n_occurrences): New static function.
3881 * reload.c (n_occurrences): Delete function.
3882 (find_reloads): Use extract_insn.
3883 * reload.h (n_occurrences): Delete declaration.
3885 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3887 * reload1.c (reload_as_needed): Fix test for when to call
3888 update_eliminable_offsets.
3890 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3892 Fix consistency problems with reg_equiv_{mem,address};
3893 Improve reload inheritance;
3895 * reload.c (reload_out_reg): New variable.
3896 (loc_mentioned_in_p, remove_address_replacements): New functions.
3897 (remove_replacements): Deleted.
3898 (push_reload): Set reload_out_reg[i].
3899 When merging, also set reload_{in,out}_reg[i], and remove
3900 duplicate address reloads.
3901 (combine_reloads): Copy reload_out_reg[i].
3902 (find_reloads): Do make_memloc substitution also when
3903 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3905 Include *recog_operand_loc in commutativity operand changes.
3906 Generate optional output reloads.
3907 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3908 processing operands. Call make_memloc in reg_equiv_address code.
3909 Set *recog_operand_loc only after processing operands, and only
3910 if replace is true. Return a value.
3911 When changing address reload types for operands that didn't get
3912 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3913 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3914 Don't emit USEs for pseudo SUBREGs when not replacing.
3915 (find_reloads_address): Do make_memloc substitution also when
3916 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3918 (find_reloads_toplev): Likewise.
3919 Call make_memloc in reg_equiv_address code.
3920 (debug_reload_to_stream): Add code to output reload_out_reg.
3921 (make_memloc): Delete local variable i, ifdefed out code, and
3922 references to memlocs and n_memlocs.
3923 (memlocs, n_memlocs): Delete.
3924 (push_secondary_reload): Clear reload_out_reg.
3925 (find_reloads_address_1): Provide memrefloc argument to all calls
3926 to find_reloads_address.
3927 In AUTO_INC code, handle non-directly addressable equivalences properly.
3928 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3929 (find_reloads): Add return type.
3930 (remove_address_replacements, deallocate_reload_reg): Declare.
3931 * reload1.c (num_not_at_initial_offset): No longer static.
3932 (delete_address_reloads, delete_address_reloads_1): Likewise.
3933 (deallocate_reload_reg): New function.
3934 (spill_reg_stored_to): New array.
3935 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3936 (eliminate_regs_in_insn): Move assignments of previous_offset and
3937 max_offset fields, and recalculation of num_not_at_initial_offset
3938 into new static function:
3939 (update_eliminable_offsets) .
3940 (reload_as_needed): Call update_eliminable_offsetss after calling
3942 Call forget_old_reloads_1 with contents of reloaded auto_inc
3943 expressions if the actual addressing can't be changed to match the
3945 (choose_reload_regs): For inheritance, replace
3946 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3947 remove stand-alone reload_reg_used_at_all test.
3948 Use reload_out_reg to determine which reload regs have output reloads.
3949 Treat reload_override_in more similar to inherited reloads.
3950 Handle (subreg (reg... for inheritance.
3951 For flag_expensive_optimizations, add an extra pass to remove
3952 unnecessary reloads from known working inheritance.
3953 Delete obsolete code for pseudos replaced with MEMs.
3954 Handle inheritance from auto_inc expressions.
3955 (emit_reload_insns): If reload_in is a MEM, set OLD to
3957 Don't reload directly from oldequiv; if it's a pseudo with a
3958 stack slot, use reload_in[j].
3959 Check that reload_in_reg[j] is a MEM before replacing reload_in
3960 from reg_reloaded_contents.
3961 Include non-spill registers in reload inheritance processing.
3962 Also try to use reload_out_reg to set spill_reg_store /
3963 reg_last_reload_reg.
3964 In code to set new_spill_reg_store, use single_set to find out if
3965 there is a single set.
3966 Add code that allows to delete optional output reloads.
3967 Add code to allow deletion of output reloads that use no spill reg.
3968 At the end, set reload_override_in to oldequiv.
3969 Also call delete_output_reload if reload_out_reg is equal to old
3971 Add code to call delete_output_reload for stores with no matching load.
3972 Set / use spill_reg_stored_to.
3973 Handle case where secondary output reload uses a temporary, but
3974 actual store isn't found.
3975 When looking for a store of a value not loaded in order to call
3976 delete_output_reload, count_occurences should return 0 for no
3977 loads; but discount inherited input reloadill_reg_stored_to.
3978 Do checks for extra uses of REG. Changed all
3980 Use delete_address_reloads.
3981 (reload): Take return value of find_reloads into account.
3982 If a no-op set needs more than one reload, delete it.
3983 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3984 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3985 for the same operand.
3986 (clear_reload_reg_in_use): Check for other reloads that keep a
3988 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3989 RELOAD_FOR_OPADDR_ADDR.
3990 Take into account when an address address reload is only needed
3991 for the address reload we are considering.
3992 (count_occurrences): Use rtx_equal_p for MEMs.
3993 (inc_for_reload): Return instruction that stores into RELOADREG.
3994 New argument two, IN, and rtx. Changed all callers.
3995 (calculate_needs_all_insns, reload_as_needed):
3996 Don't clear after_call for a CLOBBER.
3997 Keep track of how many hard registers need to be copied from
3998 after_call, and don't clear after_call before we have seen
3999 that much copies, or we see a different instruction.
4001 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4003 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4004 after reload has completed.
4006 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4008 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4009 a macro name and the next token with a single blank if that whitespace
4010 is in a macro buffer and the next token is not '('.
4012 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4014 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4016 (skip_if_group): Ditto.
4017 (skip_to_end_of_comment): Ditto.
4019 (discard_comments): Ditto.
4020 (change_newlines): Ditto.
4022 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4024 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4026 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4028 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4029 (TARGET_OPTIONS): Add --help documentation.
4031 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4033 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4035 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4037 * fixinc/* Moved in from ../contrib directory in preparation
4038 for integrating it into the normal build process. In particular,
4039 fixinc/Makefile.in must be config-ed into the build directory
4040 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4041 ./configure.in will be "in the mail" momentarily.
4043 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4045 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4046 accidently walk into the free list. Comment how that can happen.
4047 (invalidate): Fix indentation.
4049 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4050 Jeffrey A Law (law@cygnus.com)
4052 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4053 reload. Never perform rescans of the insn chain after reload.
4054 (propagate_block): Do not delete insn or create new autoinc addressing
4057 * jump.c (jump_optimize): Unconditionally use the code that was
4058 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4059 * reload1.c (reload): When reloading is finished, delete all
4060 REG_DEAD and REG_UNUSED notes.
4061 (emit_reload_insns): Delete all code that was conditional on
4062 PRESERVE_DEATH_INFO_REGNO_P.
4063 (no_longer_dead_regs): Delete variable.
4064 (reload_cse_delete_death_notes): Delete function.
4065 (reload_cse_no_longer_dead): Delete function.
4066 (reload_cse_regs_1): Delete all code to handle deletion of death
4068 (reload_cse_noop_set_p): Likewise.
4069 (reload_cse_simplify_set): Likewise.
4070 (reload_cse_simplify_operands): Likewise.
4071 (reload_cse_move2add): Likewise.
4072 * reorg.c (used_spill_regs): Delete declaration.
4073 (max_label_num_after_reload): Delete declaration.
4074 (find_dead_or_set_registers): Don't assume that spill regs are
4075 dead at a CODE_LABEL.
4076 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4078 * sched.c (sched_analyze_insn): Likewise.
4079 (update_flow_info): Likewise.
4080 * haifa-sched.c (sched_analyze_insn): Likewise.
4081 (update_flow_info): Likewise.
4082 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4083 * toplev.c (max_label_num_after_reload): Delete variable.
4084 (rest_of_compilation): Don't set max_label_num_after_reload.
4085 Call life_analysis after reload_cse_regs if optimizing.
4086 * config/gmicro/gmicro.h: Delete comment referring to
4087 PRESERVE_DEATH_INFO_REGNO_P.
4088 * config/i386/i386.h: Likewise.
4089 * config/m88k/m88k.h: Likewise.
4090 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4091 * config/sh/sh.h: Likewise.
4093 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4095 * loop.c (strength_reduce): Restore marking bct_p as
4097 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4098 HAVE_decrement_and_branch_on_count.
4099 (small_data_operand): Remove TARGET_ELF condition for marking
4100 parameters ATTRIBUTE_UNUSED.
4102 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4104 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4105 (SELECT_SECTION): Resync with svr4.h.
4107 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4109 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4112 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4114 * c-pragma.c (handle_pragma_token): Test for null tree before
4115 dereferencing TREE_CODE.
4117 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4119 * config/c4x/c4x.c: Convert to use GEN_INT.
4120 (c4x_parallel_process): Rework to handle new repeat loop structure.
4122 * config/c4x/c4x.md: Convert to use GEN_INT.
4123 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4124 (decrement_and_branch_on_count): Likewise.
4126 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4127 loop.c has the desired functionality.
4128 (rc_reg_operand): New prototype.
4130 * config/c4x/t-c4x: Can now build all front ends.
4132 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4134 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4136 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4138 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4139 * config/t-rtems: Do not install assert.h -- use newlib's.
4141 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4143 * combine.c (combine_instructions): When finished, call init_recog.
4144 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4146 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4148 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4150 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4152 * cppalloc.c (memory_full): Mark function prototype with
4155 * demangle.h (collect_exit): Likewise.
4157 * fix-header.c (v_fatal, fatal): Likewise.
4159 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4162 * gcov.c (print_usage): Likewise.
4164 * genattr.c (fatal, fancy_abort): Likewise.
4166 * genattrtab.c (fatal, fancy_abort): Likewise.
4168 * gencodes.c (fatal, fancy_abort): Likewise.
4170 * genconfig.c (fatal, fancy_abort): Likewise.
4172 * genemit.c (fatal, fancy_abort): Likewise.
4174 * genextract.c (fatal, fancy_abort): Likewise.
4176 * genflags.c (fatal, fancy_abort): Likewise.
4178 * genopinit.c (fatal, fancy_abort): Likewise.
4180 * genoutput.c (fatal, fancy_abort): Likewise.
4182 * genpeep.c (fatal, fancy_abort): Likewise.
4184 * genrecog.c (fatal, fancy_abort): Likewise.
4186 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4187 __sjpopnthrow, __throw): Likewise.
4189 * objc/objc-act.c (objc_fatal): Likewise.
4191 * protoize.c (usage, aux_info_corrupted,
4192 declare_source_confusing): Likewise.
4194 * rtl.c (dump_and_abort): Likewise.
4196 * rtl.h (sets_cc0_p): Likewise.
4198 * toplev.c (float_signal, pipe_closed): Likewise.
4200 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4202 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4203 when generating the decision tree for the general case.
4205 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4206 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4208 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4210 * Makefile.in (sched.o): Depend on recog.h.
4212 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4213 (unsigned) when comparing against one.
4214 (find_base_value): Likewise.
4215 (record_base_value): Cast variable `regno' to (unsigned) when
4216 comparing against one. Cast the result of REGNO() macro to
4217 (unsigned) when comparing against one.
4218 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4220 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4221 variable where an unsigned index is needed.
4223 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4224 before comparing against one.
4226 * collect2.c: Add prototypes for functions `error', `fatal' and
4227 `fatal_perror'. Make these functions take variable arguments
4228 instead of faking it with a fixed number of args.
4229 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4232 * combine.c (can_combine_p): Mark parameter `pred' with
4234 (find_split_point): Cast variable `src' to (unsigned
4235 HOST_WIDE_INT) when comparing against one.
4236 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4237 (simplify_logical): Likewise.
4238 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4239 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4240 HOST_WIDE_INT) in shift.
4241 (simplify_and_const_int): Cast result of INTVAL() macro to
4242 `unsigned HOST_WIDE_INT' when comparing against one.
4243 (merge_outer_ops): Cast variable const0 to `unsigned
4244 HOST_WIDE_INT' when comparing against the result of
4245 GET_MODE_MASK() macro.
4246 (simplify_comparison): Likewise for variable `c0'. Cast variable
4247 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4248 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4249 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4250 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4251 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4252 comparing against one.
4253 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4255 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4256 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4257 (output_block_move): Cast `sizeof' expression to (int) when
4258 comparing against one.
4259 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4261 (save_restore_insns): Cast `base_offset' to `long' to match format
4262 specifier in fprintf.
4264 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4265 to `enum machine_mode'.
4267 * flow.c (life_analysis_1): Remove unused variable `insn'.
4269 * gcc.c (translate_options): Move variables `j' and `k' into the
4270 scope in which they are used. Change their types to `size_t'.
4271 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4272 (read_specs): Likewise.
4273 (process_command): Cast `sizeof' to (int) when comparing against one.
4274 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4275 (handle_braces): Cast both sides of `==' expression to `long' to
4276 ensure sign matching.
4277 (main): Cast variable `i' to `int' when comparing against one.
4279 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4280 int to size_t. Cast variable `i' to size_t when comparing against
4283 * genattrtab.c (convert_set_attr_alternative): Remove unused
4284 parameter `insn_code'. All callers changed.
4285 (convert_set_attr): Likewise.
4287 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4288 size_t when comparing against one. Likewise for variable `len'.
4290 * global.c (global_alloc): Cast variable `max_regno' to size_t
4291 when comparing against one. Likewise for variable `max_allocno'.
4293 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4295 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4296 `set' with ATTRIBUTE_UNUSED.
4297 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4300 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4301 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4302 (get_condition): Cast variable `const_val' to `unsigned
4303 HOST_WIDE_INT' when comparing against one. Cast unsigned
4304 expression to HOST_WIDE_INT when comparing against one.
4305 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4306 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4307 `unsigned' when comparing against one.
4309 * protoize.c (is_id_char): Change type of parameter `ch' to
4311 (munge_compile_params): Cast argument of ctype macro to (const
4313 (process_aux_info_file): Cast variable `aux_info_size' to int when
4314 comparing against one.
4315 (forward_to_next_token_char): Cast argument of ctype macro to
4316 `const unsigned char'.
4317 (edit_formals_lists): Likewise.
4318 (find_rightmost_formals_list): Likewise.
4319 (add_local_decl): Likewise.
4320 (add_global_decls): Likewise.
4321 (edit_fn_definition): Likewise.
4322 (do_cleaning): Likewise.
4323 (scan_for_missed_items): Likewise.
4324 (edit_file): Cast variable `orig_size' to (int) when comparing
4326 (main): Cast argument of ctype macro to `const unsigned char'.
4328 * recog.c (const_int_operand): Mark parameter `mode' with
4331 * regclass.c (record_reg_classes): Change type of variable `c' to
4332 `unsigned char'. Cast `char' array index to `unsigned char'.
4334 * reload.c (push_secondary_reload): Cast argument to
4335 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4337 * reload1.c (calculate_needs): Cast `char' array index to
4339 (set_label_offsets): Change type of variable `i' to unsigned int.
4340 Cast result of XVECLEN() macro to unsigned when comparing against
4342 (mark_not_eliminable): Change type of variable `i' to unsigned.
4343 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4344 when comparing against one.
4345 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4346 comparing against one.
4347 (choose_reload_regs): Hide unused label `fail'.
4348 (reload_cse_simplify_operands): Cast `char' array index to
4350 (reload_combine_note_store): Mark parameter `set' with
4351 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4353 (reload_cse_move2add): Remove unused variable `src2'.
4355 * sched.c: Include recog.h.
4356 (sched_note_set): Remove unused parameter `b'. All callers
4358 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4359 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4360 when comparing against one.
4362 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4363 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4364 comparing against one.
4366 * unroll.c (precondition_loop_p): Remove unused parameter
4367 `loop_end'. All callers changed.
4369 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4371 * reload1.c (maybe_fix_stack_asms): New static function.
4374 * reload.h (compute_use_by_pseudos): Declare.
4376 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4377 (something_needs_reloads): Delete variable.
4378 (finish_spills): New function.
4379 (compute_use_by_pseudos): New function.
4381 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4382 Use the reload_insn_chain instead of walking the rtl directly.
4384 (reload): Allocate and free spilled_pseudos.
4385 Ensure that all calls of spill_hard_reg are followed by a call to
4387 Use the insns_need_reload list instead of something_needs_reloads
4388 to find out if reload_as_needed must be called.
4389 Clear unused_insn_chains at the end.
4391 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4393 Delete code to keep track of current basic block.
4394 Walk reload_insn_chain instead of the rtl structure. Build the
4395 insns_need_reload chain.
4396 Remember which insns need reloading/elimination by setting the
4397 appropriate fields in struct insn_chain, not by putting modes on the
4400 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4401 arg INSN. All callers changed.
4402 Delete declaration of struct needs.
4403 Don't set something_needs_reloads.
4404 Record insn needs in the CHAIN argument.
4406 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4408 (reload_as_needed): Lose FIRST arg. All callers changed.
4409 Walk the reload_insn_chain instead of the rtx structure.
4410 Delete code to keep track of current basic block.
4411 Rename one of the NEXT variables to OLD_NEXT.
4413 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4415 (choose_reload_regs): Likewise.
4417 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4420 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4421 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4422 (hard_regs_live, hard_regs_need_restore): Delete variables.
4423 (n_regs_saved): Now static.
4424 (referenced_regs, this_insn_sets): New variables.
4426 (setup_save_areas): Restructure the code a bit.
4428 (restore_referenced_regs): Delete function.
4429 (mark_referenced_regs): New function, similar to the old
4430 restore_referenced_regs, but mark registers in referenced_regs.
4432 (clear_reg_live): Delete function.
4433 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4434 Only mark registers in this_insn_sets.
4436 (save_call_clobbered_regs): Rework this function to walk the
4437 reload_insn_chain instead of using the list of instructions directly.
4438 Delete code to keep track of register lives, compute live regs on the
4439 fly from information in the chain.
4440 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4441 then walk the set it computes and call insert_restore as appropriate.
4443 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4445 Restructure the code a bit. Test hard_regs_saved instead of
4446 hard_regs_need_restore.
4447 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4448 args. All callers changed.
4449 Restructure the code a bit. Use TO_SAVE to determine which regs to
4450 save instead of more complicated test.
4451 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4453 Create a new insn_chain structure for the new insn and place it
4456 * rtl.texi: Update documentation to reflect that reload no longer
4457 puts modes on the insns.
4459 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4461 * function.c (purge_addressof_1): Force the first argument of a
4462 CALL insn to memory.
4464 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4466 * rtl.h: Delete duplicate prototypes. Add some missing
4468 * rtlanal.c: (for_each_rtx): Formatting tweak.
4470 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4472 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4473 to be compatible with TI compiler.
4475 * Makefile.in (USER_H): Add va-c4x.h to definition.
4477 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4479 * function.c (purge_addressof_1): Fix typo in inequality: do
4480 bitfield optimization for equal mode sizes.
4481 * expmed.c (store_bit_field): Don't take subregs of subregs in
4482 the movstrict case. Tidy a potential problem in the multi-word case.
4483 (extract_bit_field): Likewise.
4485 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4487 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4489 Compute max_uid_for_flow by calling get_max_uid after the scan.
4490 (find_basic_blocks_1): Don't emit NOPs here.
4492 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4494 * alias.c (base_alias_check): Accept new args for the modes of the
4495 two references. Use them to determine if an AND can overlap. Update
4497 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4498 to determine if an AND can overlap.
4500 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4502 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4503 check. Add comment to document problems with TARGET_SUN_FPA version
4505 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4507 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4509 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4511 * c-common.c (print_char_table): Add missing initializers.
4512 (scan_char_table): Likewise.
4513 (time_char_table): Likewise.
4515 * c-decl.c (c_decode_option): Mark parameter `argc' with
4517 (declare_parm_level): Mark parameter `definition_flag' with
4520 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4521 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4524 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4526 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4528 (expand_call): Cast result of MIN() to (unsigned int) when
4529 comparing against an unsigned value.
4531 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4533 (make_definition): Remove unused parameter `op'. All callers
4535 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4536 comparing against the result of pointer arithmetic.
4538 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4539 when comparing against one.
4541 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4542 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4544 (output_die): Move variable `i' into the scope in which it is
4545 used. Change its type to `unsigned'.
4546 (output_die): Cast the result of `strlen' to (int) when passing it
4547 to ASM_OUTPUT_ASCII().
4548 (output_pubnames): Likewise.
4549 (output_line_info): Likewise.
4551 * emit-rtl.c (global_rtl): Add missing initializers.
4553 * explow.c (promote_mode): Mark parameter `for_call' with
4556 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4557 `unsigned HOST_WIDE_INT' when comparing against one.
4558 (synth_mult): Change type of variable `cost' to int.
4559 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4561 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4562 when comparing against one.
4563 (get_inner_reference): Change variable `alignment' to unsigned.
4564 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4565 int) when comparing against one.
4566 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4568 * fold-const.c (div_and_round_double): Cast BASE to
4569 (HOST_WIDE_INT) when comparing against one.
4571 * gencheck.c: Include gansidecl.h.
4572 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4574 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4575 `tcode' with ATTRIBUTE_UNUSED.
4577 * real.c (edivm): Cast constant value to (unsigned long) in
4578 expression compared against an unsigned value.
4580 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4581 comparing against one.
4582 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4583 when comparing against one.
4585 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4586 (unsigned int) when comparing against one. Likewise for
4588 (smallest_mode_for_size): Likewise.
4589 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4590 (restore_storage_status): Likewise.
4592 * toplev.c (debug_args): Add missing initializer.
4593 (f_options): Spelling correction. Add missing initializers.
4594 (documented_lang_options): Likewise.
4595 (debug_end_source_file): Mark parameter `lineno' with
4598 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4599 `decl' and `type' with ATTRIBUTE_UNUSED.
4601 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4602 when comparing against one.
4603 (assemble_variable): Mark parameter `top_level' with
4605 (assemble_external_libcall): Mark parameter `fun' with
4607 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4610 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4612 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4613 Replace use of r5 with use of r19.
4615 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4617 * config/v850/v850.c (compute_register_save_size): Allow for the
4618 fact that helper functions save all registers, not just those used
4621 Replace constant 31 with macro LINK_POINTER_REGNUM.
4623 * config/v850/v850.md: Use 'indirect_operand' rather than
4624 'memory_operand' for bit test/set/clear patterns.
4626 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4628 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4629 * varasm.c (assemble_start_function et al): Don't call
4630 ASM_GLOBALIZE_LABEL for weak symbols.
4632 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4634 * cse.c (equiv_constant): Check for NULL return from
4635 gen_lowpart_if_possible().
4637 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4639 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4641 * collect2.c (main): Pass -EL/-EB through to the compiler.
4643 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4645 * expr.c (push_block): Handle targets where the stack grows
4646 to higher addresses, but args grow to lower addresses and
4647 ACCUMULATE_OUTGOING_ARGS is not defined.
4649 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4651 * config/v850/v850.c (print_operand): Extend meaning
4652 of 'c' operands to support .vtinherit.
4654 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4656 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4657 Added ATTRIBUTE_UNUSED to unused function arguments.
4658 (rc_reg_operand): New predicate.
4659 (c4x_rptb_insert): New function.
4660 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4661 (c4x_optimization_options): New function.
4663 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4664 (decrement_and_branch_on_count): New pattern.
4665 (rptb_top): Modified pattern to work with BCT optimization.
4667 * config/c4x/c4x.h (RC_REG): New register class.
4668 (rc_reg_operand): Define prototype.
4669 (IS_RC_REG): New macro.
4670 (IS_RC_OR_PSEUDO_REG): New macro.
4671 (IS_RC_OR_PSEUDO_REGNO): New macro.
4672 (OPTIMIZATION_OPTIONS): Define.
4674 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4676 * collect2.c (extract_init_priority): No priority is 65535.
4678 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4680 * Makefile.in (build_tooldir): new variable, same as old
4681 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4682 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4683 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4685 * configure.in (gxx_include_dir): set default based on unlibsubdir
4686 * Makefile.in (tooldir): ditto
4687 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4688 gxx_include_dir, includedir and tooldir
4689 (protoize.o, unprotoize.o): ditto
4691 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4693 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4695 * config/arm/thumb.c (thumb_override_options): Add warning about
4696 PIC code not being supported just yet.
4698 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4700 * flow.c: Update comment.
4701 (notice_stack_pointer_modification): New static function.
4702 (record_volatile_insns): Use it.
4703 (mark_regs_live_at_end): Mark the stack pointer as alive
4704 at the end of the function if current_function_sp_is_unchanging
4706 (life_analysis_1): Set current_function_sp_is_unchanging.
4707 * function.c: Define it.
4708 (init_function_start): Initialize it.
4709 * output.h: Declare it.
4710 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4711 the stack pointer as alive at the end of the function if
4712 current_function_sp_is_unchanging is set.
4713 * i386.c (ix86_epilogue): Optimize the restoring
4714 of the stack pointer.
4716 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4718 * version.c: Bump for snapshot.
4720 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4722 * c-pragma.c (handle_pragma_token): If passed a token instead
4723 of a tree, use that as the pack value.
4725 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4727 * flow.c (find_basic_blocks_1): Fix prototype.
4729 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4731 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4732 (struct tree_decl): New fields no_check_memory_usage.
4733 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4734 (init_attributes): Register it as a new attribute.
4735 (decl_attributes): Set flags on functions given that attribute.
4736 * c-decl.c (duplicate_decls): Merge new attribute.
4737 * expr.h (current_function_check_memory_usage): Declare new var.
4738 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4739 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4740 current_function_check_memory_usage.
4741 * function.h: Add field to struct function.
4742 * function.c (current_function_check_memory_usage): Define it.
4743 (push_function_context_to, pop_function_context_from): Save and
4745 (expand_function_start): Set it, based on global flag and function
4748 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4749 check non-automatic variables, to permit detection of writes to
4750 read-only locations in embedded systems without memory management.
4751 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4752 when emitting chkr_set_right_libfunc call, even if the argument is
4753 BLKmode or variable-sized; don't abort.
4755 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4756 symbols in Pmode, not VOIDmode.
4758 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4760 * cppexp.c: When forcing unsigned comparisons, cast both sides
4763 * cpphash.h: Move static declaration of hashtab[]...
4764 * cpphash.c: ...here.
4766 * cpplib.c: Cast difference of two pointers to size_t before
4767 comparing it to size_t. Cast signed to unsigned
4768 before comparing to size_t. (FIXME: struct argdata should use
4769 unsigned buffer sizes.)
4770 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4771 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4772 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4773 size_t before comparison.
4775 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4777 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4778 (find_basic_blocks_1): Similarly.
4779 * output.h (find_basic_blocks): Fix prototype.
4780 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4781 find_basic_blocks anymore.
4783 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4785 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4786 (sbitmap_free, sbitmap_vector_free): New macros.
4787 * output.h (rtl_dump_file): Declare.
4789 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4791 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4793 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4795 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4797 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4798 (divide): Remove unused variable `tmp'.
4799 (si_to_float): Cast numeric constant to (SItype) before comparing
4802 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4804 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4805 * gcc.c (add_preprocessor_option): Correct typo when allocating
4806 memory, sizeof() argument had one too many `*'.
4807 (add_assembler_option): Likewise.
4808 (add_linker_option): Likewise.
4809 * gcov.c (output_data): Likewise.
4810 * local-alloc.c (memref_used_between_p): Likewise.
4811 (update_equiv_regs): Likewise.
4812 * loop.c (strength_reduce): Likewise.
4813 * reg-stack.c (record_asm_reg_life): Likewise.
4814 (subst_asm_stack_reg): Likewise.
4815 * reorg.c (dbr_schedule): Likewise.
4817 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4819 * flow.c (life_analysis_1): Break out some functions.
4820 (find_basic_blocks_1): Likewise. Also move some variables out and
4822 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4823 new static var nonlocal_label_list with it.
4824 (active_eh_region, nested_eh_region, label_value_list,
4825 nonlocal_label_list): New static variables.
4826 (make_edges, delete_unreachable_blocks, delete_block): New static
4827 functions, broken out of find_basic_blocks_1.
4828 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4829 noop_move_p): New static functions, broken out of life_analysis_1.
4831 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4833 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4834 Take extra care for op0 now possibly being a subreg.
4835 (extract_bit_field): Likewise.
4836 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4837 the reg to memory if there is no equal sized integral mode.
4838 * stor-layout.c (int_mode_for_mode): New function.
4839 * machmode.h: Prototype it.
4841 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4843 * global.c (build_insn_chain): Verify no real insns exist past the
4844 end of the last basic block, then exit the loop.
4846 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4848 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4850 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4852 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4854 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4856 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4858 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4860 * flow.c (find_basic_blocks): Correctly determine when a call
4861 is within an exception region.
4863 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4865 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4867 * cpplib.h: Protect from multiple inclusions.
4868 * cpplib.c: Fix minor formatting problems.
4870 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4872 * jump.c (jump_optimize): Revert accidental patch.
4874 * Makefile.in (cpplib.o): Use unlibsubdir.
4876 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4878 * loop.c (get_condition): Allow combine when either compare is
4881 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4883 * version.c: Bump for snapshot.
4885 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4887 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4888 (init_lex): Initialize ridpointers[RID_BYREF].
4889 * c-lex.h (enum rid): Add RID_BYREF.
4890 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4891 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4892 (encode_type_qualifiers): Similarly
4893 * c-gperf.h: Rebuilt.
4895 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4897 * c-common.c (type_for_mode): Only return TItype nodes when
4898 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4899 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4900 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4901 (init_decl_processing): Only create TItype nodes when
4902 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4903 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4904 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4906 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4908 * stmt.c (n_occurrences): New static function.
4909 (expand_asm_operands): Verify that all constrains match in the
4910 number of alternatives.
4911 Verify that '+' or '=' are at the beginning of an output constraint.
4912 Don't allow '&' for input operands.
4913 Verify that '%' isn't written for the last operand.
4914 * reload.c (find_reloads): Abort if an asm is found with invalid
4915 constraints; all possible problems ought to be checked for earlier.
4917 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4919 * flags.h (flag_branch_on_count_reg): Always declare
4920 * toplev.c (flag_branch_on_count_reg): Likewise.
4921 * toplev.c: Fix typos.
4923 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4926 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4928 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4930 (find_basic_blocks_1): Add a nop to the end of a basic block when
4931 a trailing call insn does not have abnormal control flow.
4932 * gcse.c (pre_transpout): New variable.
4933 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4934 (compute_pre_transpout): Calculate it.
4935 (compute_pre_ppinout): Use it to eliminate impossible placements
4936 due to abnormal control flow through calls.
4937 (compute_pre_data): Call compute_pre_transpout.
4939 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4941 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4943 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4945 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4946 and matching define_insns): Tack on a `use' of the table label, so
4947 flow analysis will recognize a tablejump.
4949 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4951 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4952 always end basic blocks for abnormal edge reasons.
4954 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4956 * config/i386/i386.h: Remove definition of
4957 HANDLE_PRAGMA_PACK_PUSH_POP.
4959 * config/i386/go32.h: Add definition of
4960 HANDLE_PRAGMA_PACK_PUSH_POP.
4962 * config/i386/win32.h: Add definition of
4963 HANDLE_PRAGMA_PACK_PUSH_POP.
4965 * config/i386/cygwin32.h: Add definition of
4966 HANDLE_PRAGMA_PACK_PUSH_POP.
4968 * c-pragma.c (insert_pack_attributes): Do not insert
4969 attributes unless #pragma pack(push,<n>) is in effect.
4971 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4973 * expr.c (emit_group_store): Handle a PARALLEL destination.
4975 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4977 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4978 the new insns before the argument regs are loaded.
4980 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4982 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4983 (c-parse.gperf): Update comments describing invocation flags.
4984 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4986 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4988 * reload1.c (reload): Call free before clobbering the memory
4989 locations or constants pointers.
4991 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4993 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4994 for efficiency by checking whether we need to modify the current
4995 stack permission at all.
4996 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4997 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4998 __enable_execute_stack libcall here too if
4999 TRANSFER_FROM_TRAMPOLINE is defined.
5000 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5003 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5005 * Makefile.in (DRIVER_DEFINES): Remove last change.
5007 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5009 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5010 insns we're going to copy.
5011 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5013 * loop.c (count_one_set): Add prototype.
5015 * caller-save.c (restore_referenced_regs): Lose mode argument.
5016 (insert_save): Lose mode argument.
5017 (insert_restore): Lose mode argument.
5018 (insert_one_insn): Lose mode argument.
5019 (save_call_clobbered_regs): Lose mode argument.
5020 (setup_save_areas): Take no argument and return void. All callers
5022 Don't verify validity of memory addresses.
5023 * reload.h (setup_save_ares): Adjust prototype.
5024 (save_call_clobbered_regs): Likewise.
5025 * reload1.c (delete_caller_save_insns): New function.
5026 (caller_save_spill_class): Delete variable.
5027 (caller_save_group_size): Delete variable.
5028 (reload): Call setup_save_areas and save_call_clobbered_regs
5029 in the main loop, before calling calculate_needs_all_insns.
5030 Don't call save_call_clobbered_regs after the loop.
5031 Call delete_caller_save_insns at the end of an iteration if
5033 Delete code to manage caller_save_spill_class.
5034 Emit the final note before setting reload_first_uid.
5035 Simplify test that determines whether reload_as_needed gets run.
5036 (calculate_needs): Delete code to manage caller_save_spill_class.
5038 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5040 * collect2.c (main): Initialize ld_file_name.
5042 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5044 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5045 check for flag_function_sections.
5047 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5049 * cse.c (insert_regs): Fix bug in Sep 24 change.
5051 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5053 * flags.h (flag_dump_unnumbered): Declare.
5054 * toplev.c (flag_dump_unnumbered): Don't declare.
5055 * print-rtl.c (flags.h): Include.
5056 (print_rtl_single): Add return value.
5057 * rtl.h (print_rtl_single): Update declaration.
5058 * flow.c (flag_dump_unnumbered): Don't declare.
5059 (print_rtl_with_bb): Use return value of print_rtl_single.
5061 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5063 * loop.c (count_one_set): New static function, broken out of
5065 (count_loop_regs_set): Call it.
5066 * global.c (mark_reg_store): Handle clobbers here by not calling
5068 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5069 is in fact a clobber.
5070 * integrate.c (process_reg_param): New function, broken out of
5071 expand_inline_function.
5072 (expand_inline_function): Call it.
5075 * i386.md (addsidi3_1): Delete unused variable temp.
5076 (addsidi3_2): Likewise.
5077 (clstrstrsi): Delete unused variable addr1.
5079 * rtl.h: Don't declare any functions also declared in recog.h.
5081 * Makefile.in (stupid.o): Update dependencies.
5082 (global.o): Likewise.
5084 * global.c: Include reload.h
5085 (reg_becomes_live): New function.
5086 (reg_dies): New function.
5087 (build_insn_chain): New function.
5088 (global_alloc): Call build_insn_chain before calling reload.
5090 * reload.h (struct needs): New structure definition.
5091 (struct insn_chain): Likewise.
5092 (reload_insn_chain): Declare variable.
5093 (new_insn_chain): Declare function.
5096 * reload1.c (reload_startobj): New variable.
5097 (reload_insn_chain): New variable.
5098 (unused_insn_chains): New variable.
5099 (new_insn_chain): New function.
5100 (init_reload): Initialize reload_startobj, not reload_firstobj.
5101 (reload): Initialize reload_firstobj.
5102 Before returning, free everything on the reload_obstack.
5104 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5105 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5106 current_chain): New variables.
5107 (reg_where_born): Delete variable.
5108 (REG_WHERE_BORN): New macro.
5109 (find_clobbered_regs): New function.
5110 (stupid_life_analysis): Don't allocate/free reg_where_born.
5111 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5112 reg_where_dead_chain.
5113 Use REG_WHERE_BORN instead of reg_where_born.
5114 While processing the insns, build the reload_insn_chain with
5115 information about register lifetimes.
5116 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5117 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5119 Compute and information about birth and death of pseudo registers in
5120 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5121 Delete code to set elements of reg_where_born.
5123 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5125 * tree.def (GOTO_EXPR): Modified documentation.
5126 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5129 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5131 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5132 loop_final_value, loop_comparison_code): No longer static.
5133 (unroll_loop): Delete loop_start_value update.
5134 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5135 loop_final_value, loop_comparison_code): Extern.
5136 (loop_start_value): Delete extern.
5137 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5138 loop_comparison_value, loop_comparison_code): Delete.
5139 (loop_optimize): Remove initialization for deleted variables.
5140 (strength_reduce): Delete analyze_loop_iterations call. Only call
5141 insert_bct if flag_branch_count_on_reg set.
5142 (analyze_loop_iterations): Delete.
5143 (insert_bct): Remove iteration count calculation. Move checks for
5144 viable BCT optimization to here. Obtain iteration count from
5145 loop_iterations and correct for unrolling. Check for enough
5146 iteration to be beneficial. Comment out runtime iteration count
5148 (insert_bct): Print iteration count in dump file. Remove
5149 loop_var_mode and use word_mode directly.
5151 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5152 * rs6000.c (rs6000_override_options): Use it.
5153 (optimization_options): Enable use of flag_branch_on_count_reg.
5154 * rs6000.md (define_function_unit): Describe 604e.
5156 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5158 * loop.c (move_movables): Corrected threshold calculation for
5159 moved_once registers.
5161 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5163 * loop.c (combine_givs_p): Fix test for identical givs.
5165 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5167 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5168 call abort if the function is already defined.
5170 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5172 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5173 truncation is not a no-op.
5175 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5177 * version.c: Bump for snapshot.
5179 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5181 * version.c: Bump for snapshot.
5183 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5185 * expmed.c (expand_divmod): Don't widen for computing remainder
5186 if we seem to have a divmod pattern for needed mode.
5188 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5190 * cpplib.c (macroexpand): Correct off-by-one error in handling
5193 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5195 * combine.c (expand_field_assignment): Don't do bitwise operations
5196 on MODE_FLOAT; pun to MODE_INT if possible.
5198 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5199 scott snyder <snyder@d0sgif.fnal.gov>
5201 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5202 linker. Recognize mangled names in quotes.
5204 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5206 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5207 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5208 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5209 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5211 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5213 * function.c (purge_addressof_1): If trying to take a sub-word
5214 integral piece of a floating point mode, put it on the stack.
5216 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5218 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5220 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5222 * PROJECTS: Remove template friends.
5224 * collect2.c (sort_ids): Remove unused variable.
5226 * tm.texi (MATH_LIBRARY): Document.
5227 (NEED_MATH_LIBRARY): Remove.
5229 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5230 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5232 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5234 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5235 last_end to 0x7fffffff.
5237 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5239 * function.c (purge_addressof_1): Do not perform endianness
5240 corrections on bitpos, who we call will do it for us.
5242 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5244 * h8300.c (WORD_REG_USED): Fix typo.
5245 (initial_offset): Use WORD_REG_USED.
5247 * h8300.c (handle_pragma): Fix typo.
5249 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5251 * caller-save.c (insert_save_restore): Break this function up
5252 into new functions insert_restore, insert_save and insert_one_insn.
5253 All callers changed.
5254 (insert_restore): New function, mostly broken out of
5255 insert_save_restore.
5256 (insert_save): Likewise.
5257 (insert_one_insn): Likewise.
5258 (restore_referenced_regs): New argument BLOCK. All callers changed.
5259 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5260 in this function, do it in insert_one_insn instead.
5262 * reload1.c (reload): Break out some more pieces into separate
5264 (dump_needs): New function, broken out of reload.
5265 (set_initial_elim_offsets): Likewise.
5266 (init_elim_table): Likewise.
5267 (update_eliminables): Likewise.
5269 * global.c (global_alloc): Delete code to manage the scratch_list.
5270 * local-alloc.c (qty_scratch_rtx): Delete.
5271 (scratch_block): Delete.
5272 (scratch_list): Delete.
5273 (scratch_list_length): Delete.
5274 (scratch_index): Delete.
5275 (alloc_qty_for_scratch): Delete.
5276 (local-alloc): Update initialization of max_qty.
5277 Delete code to manage the scratch list.
5278 Delete code to allocate/initialize qty_scratch_rtx.
5279 (block_alloc): Don't allocate quantities for scratches.
5280 Delete code to manage the scratch list.
5281 * regs.h (scratch_list): Delete declaration.
5282 (scratch_block): Delete declaration.
5283 (scratch_list_length): Delete declaration.
5284 * reload1.c (reload): Delete code to manage the scratch list.
5285 (spill_hard_reg): Likewise.
5286 (mark_scratch_live): Delete.
5288 * recog.c (alter_subreg): Delete declaration.
5290 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5292 * Makefile.in (cccp.o): Fix typo in last patch.
5294 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5296 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5297 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5299 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5301 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5302 NULL_RTX as an argument.
5304 * Makefile.in (unlibsubdir): Define.
5305 (DRIVER_DEFINES): Use unlibsubdir.
5306 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5307 (stmp-fixinc): Similarly.
5309 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5311 * regmove.c (regmove_optimize): Add variable old_max_uid.
5312 At the end of the function, update basic_block_end.
5314 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5316 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5317 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5320 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5322 * config/arm/arm.c: Improve interworking support.
5324 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5326 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5327 copied from reload_out[r] .
5329 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5331 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5332 with more than three size ranges.
5334 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5336 * rtl.c (mode_name): Add a null string at the end of the array.
5337 (mode_wider_mode): Change type to unsigned char.
5338 (mode_mask_array): New variable.
5339 (init_rtl): Update for mode_wider_mode type change.
5341 * rtl.h (mode_wider_mode): Change type to unsigned char.
5342 (mode_mask_array): Declare.
5343 (GET_MODE_MASK): Use mode_mask_array.
5345 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5347 * calls.c (expand_call) : Encapsulate code into
5348 copy_blkmode_from_reg.
5349 * expr.c (copy_blkmode_from_reg): New function.
5350 * expr.h (copy_blkmode_from_reg): New function.
5351 * integrate.c (function_cannot_inline_p): We can inline
5353 (expand_inline_function): Use copy_blkmode_from_reg
5354 if needed. Avoid creating BLKmode REGs.
5355 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5358 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5360 * config/v850/v850.c: Add function prototypes.
5361 Add support for v850 special data areas.
5363 * config/v850/v850.h: Add support for v850 special data areas.
5365 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5366 HANDLE_PRAGMA_PACK_PUSH_POP.
5367 (push_alignment): New function: Cache an alignment requested
5368 by a #pragma pack(push,<n>).
5369 (pop_alignment): New function: Pop an alignment from the
5371 (insert_pack_attributes): New function: Generate __packed__
5372 and __aligned__ attributes for new decls whilst a #pragma pack
5374 (add_weak): New function: Cache a #pragma weak directive.
5375 (handle_pragma_token): Document calling conventions. Add
5376 support for #pragma pack(push,<n>) and #pragma pack (pop).
5378 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5379 are defined enable HANDLE_PRAGMA_PACK.
5380 Move 'struct weak_syms' here (from varasm.c).
5381 Add pragma states for push and pop pragmas.
5383 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5386 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5387 HANDLE_GENERIC_PRAGMAS.
5389 * varasm.c: Move definition of 'struct weak_syms' into
5391 (handle_pragma_weak): Deleted.
5393 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5395 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5397 * c-decl.c (start_function): Add invocation of
5398 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5400 * tm.texi: Remove description of non-existant macro
5401 SET_DEFAULT_SECTION_NAME.
5403 (HANDLE_SYSV_PRAGMA): Document.
5404 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5406 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5408 * config.sub: Recognize i[34567]86-pc-udk as new target.
5409 * configure.in: Likewise.
5410 * config/i386/t-udk: New file.
5411 * config/i386/udk.h: New file.
5413 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5415 * reorg.c (check_annul_list_true_false): Remove unused variables.
5416 (steal_delay_list_from_target): Add missing "used_annul" variable.
5417 (try_merge_delay_insns): Close out half formed comment.
5419 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5421 * cpplib.c (macroexpand): If arg->raw_before or
5422 arg->raw_after, remove any no-reexpansion escape at the
5423 beginning of the pasted token. Correct handling of whitespace
5424 markers and no-reexpand markers at the end if arg->raw_after.
5426 * toplev.c (documented_lang_options): Recognize -include,
5427 -imacros, -iwithprefix, -iwithprefixbefore.
5428 * cpplib.c (cpp_start_read): Process -imacros and -include
5429 switches at the same time and in command-line order, after
5430 initializing the dependency-output code. Emit properly nested
5431 #line directives for them. Emit a #line for the main file
5432 before processing these switches, and don't do it again
5435 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5437 * function.c (purge_addressof_1): Use bitfield manipulation
5438 routines to handle mem mode < reg mode.
5440 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5442 * reorg.c (try_merge_delay_insns): Account for resources referenced
5443 in each instruction in INSN's delay list before trying to eliminate
5444 useless instructions. Similarly when looking at a trial insn's delay
5447 * reorg.c (check_annul_list_true_false): New function.
5448 (steal_delay_list_from_{target,fallthrough}): Call it and also
5449 refine tests for when we may annul if already filled a slot.
5450 (fill_slots_from_thread): Likewise.
5451 (delete_from_delay_slot): Return newly-created thread.
5452 (try_merge_delay_isns): Use its new return value.
5454 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5456 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5457 used to compute a giv or as some other non-counting use.
5459 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5461 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5462 * local-alloc.c (find_free_reg): Use it.
5463 * global.c (find_reg): Likewise.
5464 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5466 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5467 * caller-save.c (init_caller_save): Use it.
5468 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5470 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5472 * configure.in: Add --enable-cpplib option which uses cpplib
5473 for cpp, but doesn't link cpplib into cc1. Make help text
5474 capitalization consistent.
5475 * configure: Rebuilt.
5477 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5479 * function.c (gen_mem_addressof): If the address REG is
5480 REG_USERVAR_P make the new REG be so also.
5481 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5482 in an attempt to clarify slightly.
5484 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5486 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5487 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5489 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5491 * toplev.c: Fix last patch.
5493 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5495 * loop.c (get_condition): Fix typo in May 9 change.
5497 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5499 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5501 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5503 * toplev.c (documented_lang_options): Spelling corrections.
5505 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5507 * configure.in: new flags --with-ld and --with-as, equivalent
5508 to setting LD and AS environment variables. Test whether
5509 specified arguments are GNU commands, and report them with
5510 checking messages. Use the specified AS for configure
5513 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5515 * gcc.c (find_a_file): when looking for `as' and `ld', return
5516 the DEFAULT program if it exists
5517 * collect2.c (main): use DEFAULT_LINKER if it exists
5519 * gcc.c (find_a_file): the test for existence of a full
5520 pathname was reversed
5522 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5524 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5525 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5527 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5529 * tree.h (TYPE_BINFO): Document.
5531 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5533 * i386-coff.h (dbxcoff.h): Added.
5535 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5537 * toplev.c: fix bad patch around flag_data_sections.
5539 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5541 * reload1.c (reload): Use reload_address_index_reg_class and
5542 reload_address_base_reg_class when setting
5543 caller_save_spill_class. (Patch generated by Jim Wilson:
5546 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5548 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5549 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5550 * expr.c (store_field): Add alias_set parameter. Set the
5551 MEM_ALIAS_SET accordingly, if the target is a MEM.
5552 (expand_assignment): Use it.
5553 (store_constructor_field): Pass 0.
5554 (expand_expr): Likewise.
5556 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5558 * flags.h: Add flag_data_sections.
5559 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5560 (compile_file): Error if flag_data_sections not supported.
5561 * varasm.c (assemble_variable): Handle flag_data_sections.
5562 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5563 * config/mips/elf.h: Likewise.
5564 * config/mips/elf64.h: Likewise.
5565 * invoke.texi: Describe -fdata-sections.
5567 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5569 * invoke.texi (-ffloat-store): Clarify that this option
5570 does not affect intermediate results -- only variables.
5572 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5574 * cpp.texi: Update for Fortran usage from Craig.
5576 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5578 * rs6000.c (function_arg_boundary): Revert accidental change on
5581 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5583 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5584 (output_mi_thunk): Declare.
5586 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5587 (output_function_profiler): Use r12 for temp, instead of r11 so
5588 that we preserve the static chain register.
5590 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5592 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5594 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5596 * sh.c (gen_shl_sext): Fix case 5.
5598 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5600 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5602 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5604 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5605 accessing variables until they are initialized via va_arg().
5607 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5609 * reload1.c (reload_combine): Initialize set before using.
5611 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5613 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5616 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5618 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5619 operand3 with mask before using it. Patch provided by Jim Wilson.
5621 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5623 * config/sparc/sparc.c (function_value): Perform the equivalent of
5624 PROMOTE_MODE for ARCH64.
5625 (eligible_for_epilogue_delay): Allow DImode operations in delay
5626 slot of a return for ARCH64.
5628 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5630 * sh.md (sqrtsf2): Fix mode of sqrt.
5632 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5634 * reload1.c (choose_reload_regs): Also try inheritance when
5635 reload_in is a stack slot of a pseudo, even if we already got a
5638 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5640 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5641 (reload_cse_regs): New function body: call reload_cse_regs_1,
5642 reload_combine, reload_cse_move2add.
5643 When doing expensive_optimizations, call reload_cse_regs_1 a
5644 second time after reload_cse_move2add.
5645 (reload_combine, reload_combine_note_store): New functions.
5646 (reload_combine_note_use): New function.
5647 (reload_cse_move2add, move2add_note_store): New functions.
5649 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5651 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5652 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5654 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5655 more than 3 such reloads.
5657 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5658 RELOAD_FOR_X_ADDR_ADDR reload.
5660 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5662 * expr.c (store_constructor): When initializing a field that is smaller
5663 than a word, at the start of a word, try to widen it to a full word.
5665 * cse.c (cse_insn): When we are about to change a register,
5666 remove any invalid references to it.
5668 (remove_invalid_subreg_refs): New function.
5669 (mention_regs): Special treatment for SUBREGs.
5670 (insert_regs): Don't strip SUBREG for call to mention_regs.
5671 Check if reg_tick needs to be bumped up before that call.
5672 (lookup_as_function): Try to match known word_mode constants when
5673 looking for a norrower constant.
5674 (canon_hash): Special treatment for SUBREGs.
5676 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5678 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5679 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5680 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5681 and offsets in actual stack trampoline code so they match the
5682 commentary and actually work.
5684 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5686 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5688 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5689 tmake_file. Set extra_parts to needed crt objects.
5690 * configure: Rebuilt.
5691 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5692 (TARGET_DEFAULT): Set if default is v9 or ultra.
5693 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5694 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5695 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5696 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5697 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5698 (TARGET_VERSION): Define.
5699 (MULTILIB_DEFAULT): Define.
5700 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5701 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5702 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5704 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5705 * config/sparc/sparc.c (sparc_override_options): If arch and
5706 pointer size disagree, emit diagnostic and fix it up. If
5707 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5708 V8PLUS in 64-bit mode.
5709 * config/sparc/t-linux64: New file.
5710 * config/sparc/t-sol2-64: New file.
5711 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5712 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5713 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5714 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5715 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5716 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5718 (STARTFILE_SPEC): Set approriately based upon those.
5719 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5720 disposition of DEFAULT_ARCH32_P.
5721 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5722 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5723 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5724 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5725 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5727 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5729 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5731 * rtl.h (init_virtual_regs): New function.
5732 * emit-rtl.c (init_virtual_regs): Define.
5733 (insn_emit): Use it.
5734 * integrate.c (save_for_inline_copying): Likewise.
5736 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5738 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5739 (enum reg_class): Add NONARG_LO_REGS support.
5740 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5741 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5742 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5743 completes. Re-enable HImode REG+OFFSET addresses.
5744 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5746 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5748 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5750 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5751 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5752 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5754 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5756 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5757 jumps as a single entity, taking into account the size of the
5760 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5762 * tree.def (SWITCH_EXPR): New tree node definition.
5764 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5766 * version.c: Bump for snapshot.
5768 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5770 * version.c: Bump for snapshot.
5772 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5774 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5777 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5779 * Revert this patch.
5780 * reload.c (find_reloads): Do not replace a pseudo with
5781 (MEM (reg_equiv_addr)) in the initializing insn for the
5784 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5786 * final.c (final_scan_insn): Disable tracking CC across branches.
5788 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5790 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5791 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5792 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5793 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5794 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5796 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5798 * toplev.c (rest_of_compilation): Skip compiling anything with
5799 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5801 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5803 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5804 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5805 use in_libcall_block.
5806 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5807 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5810 Mon Sep 21 14:02:23 1998
5812 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5813 typo in no-fancy-math-387 description.
5815 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5817 * version.c: Bump for snapshot.
5819 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5821 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5823 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5825 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5826 documented in install.texi.
5827 (TARGET_OPTIONS) Likewise.
5829 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5831 * version.c: Bump for snapshot.
5833 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5835 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5836 * cccp.c (main): Likewise.
5838 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5839 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5842 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5844 * Makefile.in (LIBS): Link in libiberty.a.
5845 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5847 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5849 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5850 it to update bb boundaries. Update caller.
5851 * function.c (reposition_prologue_and_epilogue_notes): Update
5852 bb boundaries wrt the moved note.
5854 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5856 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5858 * configure: Regenerate.
5860 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5862 * alpha.c (alpha_sr_alias_set): New variable.
5863 (override_options): Set it.
5864 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5865 (mode_mask_operand): Fix signed-unsigned comparision warning.
5866 (alpha_expand_block_move): Likewise.
5867 (print_operand): Likewise.
5868 (get_aligned_mem): Use change_address.
5869 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5870 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5871 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5872 (alpha_align_insns): Remade from old alphaev5_align_insns
5873 to handle multiple processors.
5874 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5875 * output.h (label_to_alignment): Prototype.
5877 * tree.c (new_alias_set): New function.
5878 * tree.h (new_alias_set): Declare it.
5879 * c-common.c (c_get_alias_set): Use it.
5881 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5883 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5884 to an ABS expr, convert an unsigned input to signed.
5886 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5888 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5890 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5892 * configure.in: Add support for c4x targets.
5893 * configure: Rebuilt.
5895 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5897 * combine.c (distribute_notes): If an insn is a cc0 user, only
5898 delete it if we can also delete the cc0 setter.
5900 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5902 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5903 (invert_truthvalue): Enable truthvalue inversion for
5904 floating-point operands if -ffast-math.
5906 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5908 * configure.in: Disable collect2 for nextstep. Instead use
5910 * configure: Rebuilt.
5911 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5912 (ENDFILE_SPEC): Define.
5913 (OBJECT_FORMAT_MACHO): Define.
5914 (EH_FRAME_SECTION_ASM_OP): Define.
5915 * crtstuff.c: Handle MACHO.
5917 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5919 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5921 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5923 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5924 (_fpadd_parts): Get sign right for 0.
5926 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5928 * ginclude/varargs.h: Add support for C4x target.
5929 * ginclude/stdargs.h: Likewise.
5931 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5933 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5934 (alpha_emit_set_long_const): Rewrite to be callable from reload
5936 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5937 * alpha.md (movdi): Likewise.
5939 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5941 * arm.c (add_constant): New parameter address_only, change caller.
5942 Set it non-zero if taking the address of an item in the pool.
5943 (arm_reorg): Handle cases where we need the address of an item in
5946 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5948 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5949 memory addresses that are not in standard canonical form.
5951 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5953 * README.C4X: New file with information about the c4x ports.
5954 * ginclude/va-c4x.h: New file for c4x varargs support.
5955 * config/c4x: New directory with c4x port files.
5957 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5959 * reload.c (find_reloads): Do not replace a pseudo with
5960 (MEM (reg_equiv_addr)) in the initializing insn for the
5963 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5965 * toplev.c (rest_of_compilation): Set bct_p on second call to
5967 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5969 (strength_reduce): Only call analyze_loop_iterations and
5970 insert_bct if bct_p set.
5971 (check_dbra_loop): Fix typo.
5972 (insert_bct): Use word_mode instead of SImode.
5973 (instrument_loop_bct): Likewise. Do not delete iteration count
5974 condition code generation insn. Initialize iteration count before
5976 * rtl.h (loop_optimize): Update prototype.
5978 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5979 not doubleword aligned.
5981 * rs6000.c (optimization_options): New function.
5982 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5983 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5984 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5985 first; cr1 can be used for FP record condition insns.
5987 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5989 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5992 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5995 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5997 (block_move_call): New function: Call a library routine to copy a
5999 (m32r_expand_block_move): New function: Expand a "movstrsi"
6000 pattern into a sequence of insns.
6001 (m32r_output_block_move): New function: Expand a
6002 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6003 (m32r_block_immediate_operand): New function: Return true if the
6004 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6006 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6008 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6010 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6012 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6014 * regmove.c (copy_src_to_dest): Check that modes match.
6016 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6018 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6020 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6022 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6023 narrower than FLOAT_REGS.
6025 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6027 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6029 * Makefile.in (old_gxx_include_dir): removed
6031 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6033 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6036 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6037 (sh_handle_pragma): Change function arguments to match new
6038 specification for HANDLE_PRAGMA.
6040 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6042 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6044 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6045 When generating output, initialize missing struct member to zero.
6047 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6049 * regmove.c (copy_src_to_dest): Don't copy if that requires
6050 (a) new register(s).
6052 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6054 * global.c (reg_allocno): Now static.
6055 * reload1.c (reg_allocno): Delete declaration.
6056 (order_regs_for_reload): Take no arguments. Don't treat regs
6057 allocated by global differently than those allocated by local-alloc.
6059 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6061 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6062 condition, fix format strings.
6063 (output_function_epilogue): Likewise.
6065 * m68k/m68k.c: Don't include <stdlib.h> directly.
6067 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6069 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6070 mem_first_set, mem_last_set; because 0 can be a CUID.
6071 (oprs_unchanged_p): Use new definition.
6072 (record_last_reg_set_info): Likewise.
6073 (record_last_mem_set_info): Likewise.
6074 (compute_hash_table): Likewise.
6076 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6078 * rs6000.c (output_epilogue): Handle Chill.
6080 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6081 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6083 * combine.c (make_extraction): If no mode is specified for
6084 an operand of insv, extv, or extzv, default it to word_mode.
6085 (simplify_comparison): Similarly.
6086 * expmed.c (store_bit_field): Similarly.
6087 (extract_bit_field): Similarly.
6088 * function.c (fixup_var_regs_1): Similarly.
6089 * recog.c (validate_replace_rtx_1): Similarly.
6090 * mips.md (extv, extzv, insv expanders): Default modes for most
6091 operands. Handle TARGET_64BIT.
6092 (movdi_uld, movdi_usd): New patterns.
6094 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6095 equivalent memory location unless we have been provided a scratch
6096 register. Similarly do not call find_replacement unless a
6097 scratch register has been provided.
6099 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6101 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6104 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6106 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6107 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6108 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6109 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6110 * c-decl.c (init_decl_processing): Update accordingly.
6111 * expr.c (expand_builtin): Likewise.
6113 * rtl.h (global_rtl): Add cfa entry.
6114 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6115 (LAST_VIRTUAL_REGISTER): Update.
6116 * emit-rtl.c (global_rtl): Add cfa entry.
6117 (init_emit): Initialize it.
6118 * function.c (cfa_offset): New.
6119 (instantiate_virtual_regs): Initialize it.
6120 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6121 (expand_function_end): Call expand_eh_return.
6122 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6124 * except.c (current_function_eh_stub_label): Kill.
6125 (current_function_eh_old_stub_label): Likwise; update all references.
6126 (expand_builtin_set_return_addr_reg): Kill.
6127 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6128 (expand_builtin_set_eh_regs): Kill.
6129 (eh_regs): Produce a third reg for the actual handler address.
6130 (eh_return_context, eh_return_stack_adjust): New.
6131 (eh_return_handler, eh_return_stub_label): New.
6132 (init_eh_for_function): Initialize them.
6133 (expand_builtin_eh_return, expand_eh_return): New.
6134 * except.h: Update prototypes.
6135 * flow.c (find_basic_blocks_1): Update references to the stub label.
6136 * function.h (struct function): Kill stub label elements.
6138 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6139 register number is one that would be in the previous window.
6140 Provide a dummy definition for non-windowed targets.
6141 (get_reg_addr): New function.
6142 (get_reg, put_reg, copy_reg): Use it.
6143 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6144 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6146 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6147 (alpha_init_expanders): Initialize it.
6148 (alpha_expand_epilogue): Use it.
6149 * alpha.h: Declare it.
6150 * alpha.md (eh_epilogue): New.
6152 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6153 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6155 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6157 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6160 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6162 * except.h (struct eh_entry): Add false_label field.
6163 (end_catch_handler): Add prototype.
6164 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6165 (start_catch_handler): When using old style exceptions, issue
6166 runtime typematch code before continuing with the handler.
6167 (end_catch_handler): New function, generates label after handler
6168 if needed by older style exceptions.
6169 (expand_start_all_catch): No need to check for new style exceptions.
6170 (output_exception_table_entry): Only output the first handler label
6171 for old style exceptions.
6172 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6173 mechanism into one function, if a runtime matcher is provided.
6175 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6177 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6179 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6181 * integrate.c (copy_decl_list): Fix typo.
6183 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6185 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6188 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6190 * version.c: Bump for snapshot.
6192 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6194 * version.c: Bump for snapshot.
6196 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6198 * version.c: Bump for snapshot.
6200 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6202 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6204 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6206 * configure.in: remove usage of `!' to negate the result of a
6207 command; some common shells do not support it
6209 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6211 * configure.in: in sparc9-sol2 config, use 'if test' not
6213 * configure: Rebuilt.
6215 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6217 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6218 (CPP_CPU_DEFAULT_SPEC): Likewise.
6219 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6220 for arch64 libfuncs.
6222 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6225 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6227 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6229 * collect2.c: Don't declare `sys_siglist' here.
6230 (my_strsignal): Prototype and define new function. Use it in
6231 place of `sys_siglist' hacks.
6233 * mips_tfile.c: Likewise.
6235 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6236 (GCC_NEED_DECLARATIONS): Likewise.
6238 * system.h (strsignal): Prototype it, if necessary.
6239 (sys_siglist): Declare it, if necessary.
6241 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6243 * loop.c (move_movables): While removing insn sequences, preserve
6244 the next pointer of the most recently deleted insn when we skip
6247 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6249 * objc/config-lang.in: Do not output the name of the selected
6250 thread file when building the front-end. The Makefile for the
6251 runtime library will do this.
6253 * objc/Make-lang.in: Do not build the runtime library or install
6254 the Objective C header files. The Makefile for the runtime
6255 library will do this.
6257 * objc/Makefile.in (all.indirect): Only build the front-end.
6258 (compiler): Rename to `frontend'.
6259 (obj-runtime): Remove target.
6260 (copy-headers): Likewise.
6261 (clean): No need to remove `libobjc.a' any longer.
6263 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6265 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6266 supported with -mcpu=xxx.
6268 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6270 * flow.c (mark_set_1): Recognize multi-register structure return
6271 values in CALL insns.
6272 (mark_used_regs): Likewise.
6273 (count_reg_sets_1): Likewise.
6274 (count_reg_references): Likewise.
6275 * rtlanal.c (note_stores): Likewise.
6276 (reg_overlap_mentioned_p): Likewise.
6277 * haifa-sched.c (check_live_1): Likewise.
6278 (update_live_1): Likewise.
6279 (sched_analyze_1): Likewise.
6280 (sched_note_set): Likewise.
6281 (birthing_insn_p): Likewise.
6282 (attach_deaths): Likewise.
6284 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6287 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6289 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6291 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6293 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6295 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6297 * configure.in: Add check for GAS subsection -1 support.
6298 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6299 * configure config.in: Rebuilt.
6300 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6301 SImode is subsection -1 works, else use DImode.
6302 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6303 subsection -1 works.
6304 * config/sparc/sparc.c (sparc_output_addr_vec,
6305 sparc_output_addr_diff_vec): Use them if defined.
6307 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6309 * tree.h (DECL_ORIGIN): New macro.
6310 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6311 (copy_decl_list): Use it.
6312 (integrate_parm_decls): Likewise.
6313 (integrate_decl_tree): Likewise.
6314 * dwarf2out.c (decl_ultimate_origin): Simplify.
6315 * dwarfout.c (decl_ultimate_origin): Likewise.
6316 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6317 (pushdecl): Likewise.
6319 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6321 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6323 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6325 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6327 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6329 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6330 empty or has a single entry.
6332 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6333 before calling reg_to_stack.
6335 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6337 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6338 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6340 * c-tree.h (warn_long_long): Declare it.
6342 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6344 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6345 initialized float-int union if the value is a NaN.
6347 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6349 * c-lex.c (real_yylex): Don't warn about long long constants if
6350 we're allowing long long
6352 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6354 * except.h (current_function_eh_stub_label): Declare.
6355 (current_function_eh_old_stub_label): Declare.
6356 * function.h (struct function): New members eh_stub_label and
6358 * except.c (current_function_eh_stub_label): New variable.
6359 (current_function_eh_old_stub_label): New variable.
6360 (init_eh_for_function): Clear them.
6361 (save_eh_status): Save them.
6362 (restore_eh_status): Restore them.
6363 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6364 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6365 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6366 make an edge from the block that contains it to the block starting
6367 with the label if this label is one of the eh stub labels.
6368 If eh stub labels exist, show they are reachable from the last block
6371 * reload1.c (reload): Break out several subroutines and make some
6373 (calculate_needs_all_insns): New function, broken out of reload.
6374 (calculate_needs): Likewise.
6375 (find_reload_regs): Likewise.
6376 (find_group): Likewise.
6377 (find_tworeg_group): Likewise.
6378 (something_needs_reloads): New global variable, formerly in reload.
6379 (something_needs_elimination): Likewise.
6380 (caller_save_spill_class): Likewise.
6381 (caller_save_group_size): Likewise.
6382 (max_needs): Likewise.
6383 (group_size): Likewise.
6384 (max_groups): Likewise.
6385 (max_nongroups): Likewise.
6386 (group_mode): Likewise.
6387 (max_needs_insn): Likewise.
6388 (max_groups_insn): Likewise.
6389 (max_nongroups_insn): Likewise.
6390 (failure): Likewise.
6392 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6394 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6396 * loop.c (load_mems): Copy rtx for output mem.
6398 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6400 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6401 mips1 or mips2 either.
6403 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6405 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6407 (pa_adjust_insn_length): Update to work with new marking scheme
6408 for jumps inside switch tables.
6409 * pa.md (switch_jump): Remove pattern.
6410 (jump): Handle jumps inside jump tables.
6412 * Makefile.in (profile.o): Depend on insn-config.h
6414 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6416 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6418 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6420 Add preliminary native sparcv9 Solaris support.
6421 * configure.in: Recognize sparv9-*-solaris2*
6422 * configure: rebuilt
6423 * config.sub: Recognize sparcv9 just like sparc64.
6424 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6425 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6426 32-bit and 64-bit Solaris systems.
6427 * config/sparc/t-sol2: Assemble those with cpp.
6428 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6429 (*TF*_LIBCALL): If ARCH64 use V9 names.
6430 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6432 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6434 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6435 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6437 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6439 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6440 to Pmode if CASE_VECTOR_MODE is something else.
6442 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6444 * prefix.c (update_path): Correctly handle cases where PATH is
6445 a substring of the builtin prefix, but specifies a different
6448 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6450 * expr.c: Corrected comment about what MOVE_RATIO does.
6451 * config/alpha/alpha.h: Ditto.
6452 * config/1750a/1750a.h: Ditto.
6453 * config/clipper/clipper.h: Ditto.
6454 * config/i386/i386.h: Ditto.
6456 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6458 * configure.in (m68k-next-nextstep3*): Use collect2.
6459 Similarly for x86 NeXT configurations.
6460 * configure: Rebuilt.
6462 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6464 * configure.in: Don't assume srcdir is .../gcc
6465 * configure: Rebuilt.
6467 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6469 * global.c: Update comments.
6470 (global_alloc): Assign allocation-numbers
6471 even for registers allocated by local_alloc in case
6472 they are later spilled and retry_global_alloc is called.
6473 (mark_reg_store, mark_reg_clobber,
6474 mark_reg_conflicts, mark_reg_death): Always record a
6475 conflict with a pseudo register even if it has been
6476 assigned to a hard register.
6477 (dump_conflicts): Don't list pseudo registers already assigned to
6478 a hard register as needing to be allocated, but do list their
6480 * local-alloc.c: Update comment.
6482 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6484 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6485 * configure: Rebuilt.
6487 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6489 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6491 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6492 for all targets that set -msoft-float.
6494 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6496 * toplev.c (print_switch_values): Make static to match prototype.
6498 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6500 * configure.in: If we are unable to find the "gnatbind" program,
6501 then do not configure the ada subdir.
6502 * configure: Rebuilt.
6504 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6506 * version.c: Bump for snapshot.
6508 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6510 * version.c: Bump for snapshot.
6512 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6514 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6515 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6517 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6519 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6521 * genextract.c: Have insn-extract.c include toplev.h.
6523 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6525 * toplev.c: Include expr.h.
6526 (really_sorry, fancy_abort): Remove prototypes.
6527 (set_target_switch): Add argument in prototype.
6528 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6529 (v_really_sorry): Likewise.
6530 (print_version, print_single_switch, print_switch_values): Make
6531 static and add prototype arguments.
6532 (decl_printable_name): Add prototype arguments.
6533 (lang_expand_expr_t): New typedef.
6534 (lang_expand_expr): Declare as a lang_expand_expr_t.
6535 (incomplete_decl_finalize_hook): Add prototype argument.
6536 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6537 (botch): Likewise for variable `s'.
6538 (rest_of_type_compilation): Mark variables `type' and `toplev'
6539 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6540 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6541 (display_help): Make variable `i' an `unsigned long'.
6542 (main): Remove unused parameter `envp'.
6543 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6544 Cast -1 when comparing it with a `size_t'.
6546 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6547 prototype with ATTRIBUTE_NORETURN.
6548 (fatal_insn_not_found, fatal_insn, really_sorry,
6549 push_float_handler, pop_float_handler): Add prototypes.
6550 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6551 (do_abort, botch): Add prototypes.
6553 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6555 * final.c (final): If a label is reached only from a single jump,
6556 call NOTICE_UPDATE_CC on the jump and its predecessor before
6557 emitting the insn after the label.
6559 * i386.h: Add AMD K6 support.
6560 Change TARGET_* macros to use table lookup.
6561 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6562 (ADJUST_COST): Change definition to call function in i386.c.
6563 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6564 * i386.c: Add AMD K6 support.
6565 Add constants for feature tests used by TARGET_* macros.
6566 (split_di): If before reload, call gen_lowpart and gen_highpart.
6567 (x86_adjust_cost): New function.
6568 (put_jump_code): New function.
6569 (print_operand): New codes 'D' and 'd'.
6570 * i386.md: New insn types. New insn attribute "memory".
6571 Redefine scheduling parameters to use new types and add AMD K6
6572 support. Explicitly set type of most insns.
6573 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6574 Pro and K6 prefer movl $1,reg to incl reg.
6575 (adddi3, subdi3): Set cc_status.
6576 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6577 to int; x86 can't have more than 2^31 DImode shifts per file.
6578 (setcc): Combine all setcc patterns. Allow writing memory.
6579 Combine all jump patterns using match_operator.
6580 (*bzero): Name pattern. Emit mutliple stos instructions when that
6581 is faster than rep stos.
6582 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6585 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6587 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6590 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6592 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6593 not whatever we're generating now.
6595 * alpha.c (set_frame_related_p, FRP): New.
6596 (alpha_expand_prologue): Mark frame related insns.
6597 (alpha_expand_epilogue): Likewise, but with a null FRP.
6598 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6599 * alpha.md (exception_receiver): New.
6600 * alpha/crtbegin.asm (.eh_frame): New beginning.
6601 (__do_frame_setup, __do_frame_takedown): New.
6602 * alpha/crtend.asm (.eh_frame): New ending.
6603 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6604 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6605 (ASM_FILE_START): Don't emit .file for dwarf2.
6607 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6608 * rtl.c (reg_note_name): Likewise.
6609 * rtl.texi (REG_NOTES): Likewise.
6610 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6613 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6615 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6616 * i386.md (movsf, movdf, movxf): Validate memory address returned
6617 from force_const_mem. Kill useless REG_EQUAL setting code.
6619 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6621 * m68k.md (zero_extendsidi2): Fix typo.
6623 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6625 * configure.in: Removed references to the removed file
6626 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6627 * arm*-*-netbsd* and ns32k-*-netbsd*.
6628 * config/i386/xm-netbsd.h: Removed unnecessary file.
6629 * config/m68k/xm-netbsd.h: Likewise.
6630 * config/sparc/xm-netbsd.h: Likewise.
6631 * config/mips/xm-netbsd.h: Likewise.
6633 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6635 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6636 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6638 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6639 for exact section attributions.
6641 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6643 * i386/crtdll.h (CPP_PREDEFINES): Define.
6645 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6647 * m68k.md (5200 movqi): Do not allow byte sized memory references
6649 * m68k.c (output_move_qimode): Do not use byte sized operations on
6652 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6653 explicit rules for building. Similarly for alloca, vfprintf,
6654 choose-temp and mkstemp, getopt, getopt1, and obstack.
6655 (INCLUDES): Add $(srcdir)/../include.
6656 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6657 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6659 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6661 * gcc.c (do_spec_1): [case 'o'] Account for
6662 lang_specific_extra_outfiles.
6663 (main): Correctly clear all slots in outfiles for
6664 lang_specific_extra_outfiles. Set input_file_number before
6665 calling lang_specific_pre_link.
6667 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6669 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6671 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6673 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6675 (sparc_output_deferred_case_vectors): If no work to do, return.
6676 Fix thinko in Sept 1 change.
6678 1998-09-03 SL Baur <steve@altair.xemacs.org>
6680 * Makefile.in: add semicolon in BISON definition for portability.
6682 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6684 * config/nextstep.c (handle_pragma): Correct name of third
6687 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6689 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6690 * config/m32r/m32r.h: Make register 17 be fixed.
6691 * config/m32r/m32r.c: Use SImode for cc operations.
6693 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6695 * invoke.texi (Warning Options): Add -Wnon-template-friend
6698 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6700 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6702 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6704 * rs6000.md (movsf): Disable explicit secondary-reload-like
6705 functionality if TARGET_POWERPC64.
6706 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6709 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6711 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6712 and term.h from fixinc.wrap.
6714 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6716 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6717 safe to include both string.h and strings.h together.
6718 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6719 which headers to search for function declarations. Continue to
6720 prefer string.h over strings.h when both are not acceptable.
6722 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6724 * configure.in: Call GCC_HEADER_STRING.
6726 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6727 to include. Continue to prefer string.h over strings.h when both
6730 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6732 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6733 not assume top 32-bits of symbolic addresses are zero if
6736 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6738 * ginclude/va-alpha.h: Protect entire second portion of the
6739 file against double inclusion.
6741 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6743 Added support for the Boehm's garbage collector.
6744 * configure.in: Handle --enable-objc-gc.
6745 * configure: Rebuilt.
6746 * Makefile.in (CHECK_TARGETS): Add check-objc.
6747 (check-objc): New rule.
6748 * objc/Make-lang.in: Build a different Objective-C library that
6749 runs with the Boehm's collector.
6750 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6751 * objc/encoding.c: Correctly compute the size of compound types in
6752 the presence of bitfields. Skip the variable name of the type if
6753 any. Added support for long long.
6754 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6755 (_F_GCINVISIBLE): New mask.
6756 * objc/gc.c: New file. Compute the type memory mask associated with
6757 a class based on the runtime information.
6758 * objc/misc.c: Added the hooks that use the Boehm's collector
6759 allocation functions.
6760 * objc/objc-act.c (build_class_template): Generate a new class
6761 member (gc_object_type) to hold the class' type memory mask.
6762 (build_shared_structure_initializer): Initialize the new member to
6764 (encode_complete_bitfield): New function. Generate the new
6766 (encode_field_decl): Generate the new encoding only for the GNU
6768 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6770 (class_get_gc_object_type): New function to mark a pointer instance
6771 variable as a weak pointer.
6772 * objc/objc-features.texi: New file.
6773 * objc/objc.h (gc_object_type): New class member.
6774 * objc/objects.c (class_create_instance): Create a typed memory
6775 object when compiled with Boehm's collector support.
6776 * objc/sendmsg.c (__objc_init_install_dtable): Call
6777 __objc_send_initialize instead of setting the initialize flag.
6778 (__objc_send_initialize): Call __objc_generate_gc_type_description
6779 to generate the class type memory mask. Rewrite the code that
6780 sends the +initialize so that it is called only once (bug report
6781 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6782 * testsuite/objc: New testsuite for Objective-C type encoding.
6783 * testsuite/lib/objc-torture.exp: New file.
6784 * testsuite/lib/objc.exp: New file.
6786 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6788 * jump.c (jump_optimize): In if/then/else transformations, add
6789 another call to modified_between_p for the jump insn.
6791 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6793 * fix-header.c (symlink): Treat like readlink.
6795 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6797 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6800 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6802 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6803 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6804 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6806 * config/nextstep.c (handle_pragma): Take three arguments, as per
6807 the new HANDLE_PRAGMA macro specification.
6808 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6809 per the new HANDLE_PRAGMA macro specification.
6810 * config/i960/i960.c (process_pragma): Take three arguments, as
6811 per the new HANDLE_PRAGMA macro specification.
6813 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6815 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6816 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6817 if unknown pragmas are encountered.
6818 (handle_sysv_pragma): Interpret return code from
6819 handle_pragma_token (). Return success/failure indication rather
6820 than next unprocessed character.
6821 (pragma_getc): New function: retrieves characters from the
6822 input stream. Defined when HANDLE_PRAGMA is enabled.
6823 (pragma_ungetc): New function: replaces characters back into the
6824 input stream. Defined when HANDLE_PRAGMA is enabled.
6826 * c-pragma.c (handle_pragma_token): Return success/failure status
6829 * c-pragma.h: Change prototype of handle_pragma_token().
6831 * varasm.c: (handle_pragma_weak): Only create this function if
6832 HANDLE_PRAGMA_WEAK is defined.
6834 * c-common,c (decl_attributes): If defined call the expression
6835 contained within the INSERT_ATTRIBUTES macro before adding
6836 attributes to a decl.
6838 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6839 HANDLE_PRAGMA, which takes three arguments.
6840 (INSERT_ATTRIBUTES): Document this new macro.
6842 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6843 new INSERT_ATTRIBUTES macro.
6845 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6847 * config/sparc/sparc.md (movdf): Only generate special RTL for
6848 LABEL_REFs when PIC.
6849 (move_label_di): Remove
6850 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6851 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6852 references when PIC.
6853 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6854 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6855 output an .xword for all 64-bit cases.
6857 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6859 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6860 alignment, use FUNCTION_BOUNDARY instead.
6861 (sparc_output_deferred_case_vectors): Likewise.
6863 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6865 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6866 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6868 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6870 * alpha/va_list.h: New file.
6871 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6873 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6875 * NEWS: Add SCO Openserver and Unixware 7 notes.
6879 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6881 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6882 (record_constant_1): Handle RANGE_EXPR.
6884 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6886 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6887 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6888 and NOTE_INSN_RANGE_END specially.
6889 (reemit_notes): Likewise.
6891 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6893 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6894 (ultrasparc_sched_init): Remove unneeded &.
6896 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6898 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6899 for m68020-60, to prevent the use of fintrz.
6901 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6903 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6905 * Makefile.in: Likewise.
6906 * configure: Regenerated.
6908 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6910 * configure.in (gxx_include_dir): Changed to
6911 '${prefix}/include/g++'-${libstdcxx_interface}.
6912 * configure: Rebuilt.
6914 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6916 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6918 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6919 *sequences* *below* which scalar moves will be used.
6921 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6923 * collect2.c (mktemp): Delete unused declaration.
6925 * config/xm-netbsd.h: Remove unnecessary file.
6926 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6927 file anymore, it is not needed.
6929 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6931 * convert.c (convert_to_integer): Issue an error on conversions to
6934 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6936 * Makefile.in: Add lang_tree_files and gencheck.h.
6937 * configure.in: Generate them.
6938 * gencheck.c: Include gencheck.h.
6940 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6942 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6943 movdi_lo_sum_pic and movdi_high_pic and make visible.
6944 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6945 emit these when Pmode is not SImode.
6946 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6948 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6950 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6951 .linkonce directive after the first time.
6953 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6955 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6956 the clobbered operand overlaps with an input.
6957 (bne0_di): Similarly.
6959 * Makefile.in (INSTALL): Remove "--no-header" argument.
6961 * NEWS: Various updates.
6963 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6965 * config/sparc/sparc.c (arith_operand, const64_operand,
6966 const64_high_operand, arith_double_4096_operand): Mark mode as
6968 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6970 (sparc_emit_set_const64): Remove unused variable i.
6971 (sparc_splitdi_legitimate): Likewise for addr_part.
6972 (ultra_code_from_mask): Likewise for mask.
6973 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6974 reverse return values so it matches usage and comments.
6975 (ultra_flush_pipeline): Likewise.
6976 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6977 this_type, and allow loads and stores of differing FP modes as
6978 they do not create a conflict.
6979 (ultra_find_type): Initialize fpmode to SFmode, fix
6980 parenthesization thinkos in large conditional.
6981 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6982 Init free_slot_mask after ultra_cur_hist is reset, not before.
6983 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6984 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6985 use ultra_flush_pipeline instead, then re-init group pointer.
6986 Fix statement with no effect. If no progress made in, and no
6987 instructions scheduled at all, advance to new pipeline cycle else
6988 we get into an endless loop.
6989 (ultrasparc_adjust_cost): Remove previous arg.
6990 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6992 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6994 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6995 code. Use reg_overlap_mentioned_p to detect when source and
6996 destination overlap.
6997 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6999 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7001 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7002 COMPARISON_VAL, into invariant_p.
7004 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7006 * regmove.c (regclass_compatible_p): New function.
7007 (regmove_optimize): Use it.
7009 Use NREGS parameter insted of calling max_reg_num.
7011 (fixup_match_1): Don't use code = MINUS when later tieing with
7012 a hard register is likely.
7014 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7016 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7017 COMPARISON_VAL was normalized.
7019 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7021 * loop.c (check_dbra_loop): The loop ending comparison value
7022 must be an invariant or we can not reverse the loop.
7024 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7025 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7027 (load_mems_and_recount_loop_regs_set): Likewise.
7029 * i386.c (print_operand): Remove obsolete 'c' docs.
7031 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7033 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7034 * frame.c (init_object_mutex): New function.
7035 (init_object_mutex_once): Likewise.
7036 (find_fde): Call it.
7037 (__register_frame_info): Likewise.
7038 (__register_frame_info_table): Likewise.
7039 (__deregister_frame_info): Likewise.
7041 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7043 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7045 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7047 * loop.c (check_dbra_loop): Enable code for reversal
7048 of some loops without a known constant loop end.
7050 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7052 * haifa-sched.c (last_clock_var): New.
7053 (schedule_block): Initialize it.
7054 (schedule_insn): Use it to fill insn modes with issue information.
7056 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7057 Tag trapb and next insn with TImode.
7058 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7059 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7060 Invoke alphaev5_align_insns as appropriate.
7061 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7062 (MD_SCHED_VARIABLE_ISSUE): New.
7063 * alpha.md (attr type): Add multi.
7064 (define_asm_attributes): New.
7065 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7066 (arg_home): Likewise.
7067 (fnop, unop, realign): New.
7069 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7071 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7072 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7074 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7075 (rs6000-ibm-aix4.[12]*): Likewise.
7076 * configure: Regnerate.
7078 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7080 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7081 already contains the return address.
7083 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7085 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7086 word sized hunks when loading unaligned args into registers.
7088 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7089 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7091 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7093 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7095 * loop.c (check_dbra_loop): Add some code that would allow reversal
7096 of some loops without a known constant loop end if it were enabled.
7098 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7100 * mips.md (lshrsi3_internal2+2): Fix type-o.
7102 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7104 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7105 correctly with regards to stdio.h.
7107 * calls.c: Remove stdarg.h/varargs.h.
7110 * combine.c: Likewise.
7111 * cpperror.c: Likewise.
7112 * cpplib.c: Likewise.
7113 * cpplib.h: Likewise.
7114 * doprint.c: Likewise.
7115 * emit-rtl.c: Likewise.
7116 * final.c: Likewise.
7117 * fix-header.c: Likewise.
7119 * genattr.c: Likewise.
7120 * genattrtab.c: Likewise.
7121 * gencodes.c: Likewise.
7122 * genconfig.c: Likewise.
7123 * genemit.c: Likewise.
7124 * genextract.c: Likewise.
7125 * genflags.c: Likewise.
7126 * genopinit.c: Likewise.
7127 * genoutput.c: Likewise.
7128 * genpeep.c: Likewise.
7129 * genrecog.c: Likewise.
7130 * mips-tfile.c: Likewise.
7131 * prefix.c: Likewise.
7132 * protoize.c: Likewise.
7133 * regmove.c: Likewise.
7134 * toplev.c: Likewise.
7137 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7139 * config/sparc/sparc.c (sparc_override_options): If not
7140 TARGET_FPU, turn off TARGET_VIS.
7141 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7142 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7143 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7144 (movdi_insn_sp64): Add VIS fzero alternative.
7145 (clear_sf, clear_df): New VIS patterns.
7146 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7148 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7150 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7152 * loop.c (n_times_set, n_times_used, may_not_optimize,
7153 reg_single_usage): Convert to varrays. All uses changed.
7154 (insert_loop_mem): Return a value.
7155 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7156 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7159 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7162 * configure.in: Do not set thread_file to "irix" since no such
7165 * sparc.md (float abs/neg splits): Check reload_completed before
7166 calling alter_subreg.
7168 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7170 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7172 * config/sparc/sparc.h: Declare it.
7173 * config/sparc/sparc.md (float abs/neg splits): Use it.
7174 (all other splits): Handle SUBREGs properly where necessary.
7175 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7177 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7179 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7180 an insn on the unfilled_slots_list that has no delay slots.
7181 (fill_eager_delay_slots): Similarly.
7183 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7185 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7186 as an ordinary operand.
7188 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7190 * tree.c (valid_machine_attribute): Don't apply attributes to both
7193 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7195 * reload.c (operands_match_p): Handle rtvecs.
7197 * i386.c (legitimate_pic_address_disp_p): New.
7198 (legitimate_address_p): Use it.
7199 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7200 Handle constant pool symbols just like statics.
7201 (emit_pic_move): Use Pmode not SImode for clarity.
7202 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7203 [UNSPEC]: New, handling what we killed above.
7204 [PLUS]: Detect and abort on invalid symbol arithmetic.
7205 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7207 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7209 * alias.c: Include output.h.
7210 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7211 different if we're in a varargs function.
7212 * Makefile.in (alias.o): Depend on output.h
7214 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7216 * sh.h (GIV_SORT_CRITERION): Delete.
7218 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7220 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7221 * stupid.c (stupid_life_analysis): Ditto.
7222 * reload1.c (reload): Ditto.
7224 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7226 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7227 arith_double_4096_operand, arith_double_add_operand): New
7229 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7230 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7231 them to transform add/sub 4096 into add/sub -4096.
7233 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7235 * loop.c (scan_loop): Allocate some slop to handle pseudos
7236 generated by move_movables.
7237 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7240 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7242 * tree.def (DECL_RESULT): Correct documentation.
7244 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7246 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7247 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7248 conflicts will all RELOAD_FOR_OUTPUT reloads.
7250 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7251 loads the function result, substitute with a USE.
7253 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7255 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7256 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7257 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7258 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7259 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7260 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7262 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7263 'o' to 'm' for GPR variant constraints.
7265 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7267 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7269 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7271 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7272 when the source and destination overlap.
7274 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7275 clash with global type.
7277 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7279 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7281 * c-common.c (combine_strings): Also set TREE_READONLY.
7282 Change warn_write_strings to flag_const_strings.
7283 * c-decl.c, c-tree.h: Likewise.
7285 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7287 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7288 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7289 sequence, use SET/IOR instead so CSE can see it.
7290 * config/sparc/sparc.md (movhi_const64_special,
7291 movsi_const64_special): New patterns necessitated by that change.
7292 (movhi_high): Remove.
7293 (movhi_lo_sum): Change to match an IOR.
7294 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7295 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7296 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7297 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7298 registers are involved.
7299 (snesi_zero_extend split): Remove reload_completed test.
7300 (unnamed plus and minus zero_extend sidi splits): Add it.
7302 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7304 * extend.texi: Remove description of extension to explicit
7305 instantiation that is now endorsed by standard C++.
7307 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7309 * config/arc/arc.c (arc_initialize_pic): Remove.
7310 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7311 nothing on any platform and is invoked by no-one, it does not even
7312 appear in the documentation.
7313 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7314 * config/sparc/sparc.c (initialize_pic): Likewise.
7315 (find_addr_reg): Remove this as well, no longer referenced after
7318 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7320 * recog.c (validate_replace_rtx_group): New function.
7321 * recog.h (validate_replace_rtx_group): Declare it.
7322 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7323 the entire group of substitutions.
7325 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7327 * loop.c (load_mems): Fix initializers.
7329 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7331 * config/sparc/sparc.md (TFmode splits): Handle destination
7332 registers being referenced in the address correctly.
7334 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7335 TREE_UNSIGNED, when bitsize of type's mode is larger than
7336 HOST_BITS_PER_WIDE_INT.
7338 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7340 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7341 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7342 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7344 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7347 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7349 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7350 * h8300.h (TINY_DATA_NAME_P): Likewise.
7351 (STRIP_NAME_ENCODING): Handle '&'.
7353 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7354 register (it could be accessed via an outer SUBREG).
7355 (REG_OK_FOR_BASE_P): Likewwise.
7356 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7358 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7361 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7363 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7365 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7366 must be offsettable so the splits can be made.
7368 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7370 * config/i386/winnt.c: Include system.h, not stdio.h to get
7371 sys/param.h pulled in before rtl.h in case the system defines MIN
7374 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7376 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7378 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7380 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7382 * cpplib.c (cpp_define): Handle macros with parameters.
7384 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7386 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7387 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7388 and DImode 64-bit. Use llong for minimal-toc SFmode and
7389 SYMBOL_REF / LABEL_REF 64-bit.
7390 (output_function_profiler): Use llong for profiler label and ld to
7391 load 64-bit label address.
7393 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7395 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7398 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7400 * version.c: Bump for snapshot.
7402 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7404 * version.c: Bump for snapshot.
7406 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7408 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7410 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7412 * tm.texi (Misc): Fix typo "teh".
7414 * tm.texi (PIC): Fix typo "PPIC".
7416 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7417 effect when -O2 and higher.
7418 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7420 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7422 * regclass.c: Changed register set documentation to be consistent
7425 * final.c (final_start_function) Removed redundant test for
7428 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7430 * rtl.h (rtx_function): New type.
7431 (for_each_rtx): New function.
7432 * rtlanal.c (for_each_rtx): Define it.
7434 * recog.c (change_t): New type.
7435 (change_objects, change_old_codes, change_locs, change_olds):
7437 (changes): New variable.
7438 (validate_change): Dynamically allocate room for more changes, if
7439 necessary. Uses changes array instead of change_objects, etc.
7440 (apply_change_group): Use changes array instead of
7441 change_objects, etc.
7443 * loop.c (loop_mem_info): New type.
7444 (loop_mems): New variable.
7445 (loop_mems_idx): Likewise.
7446 (looop_mems_allocated): Likewise.
7447 (scan_loop): Remove nregs parameter.
7448 (next_insn_in_loop): New function.
7449 (load_mems_and_recount_loop_regs_set): Likewise.
7450 (load_mems): Likewise.
7451 (insert_loop_mem): Likewise.
7452 (replace_loop_mem): Likewise.
7453 (replace_label): Likewise.
7454 (INSN_IN_RANGE_P): New macro.
7455 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7456 (scan_loop): Remove nregs parameter, compute it after any new
7457 registers are created by load_mems. Use INSN_IN_RANGE_P and
7458 next_insn_in_loop rather than expanding them inline. Call
7459 load_mems to load memory into pseudos, if appropriate.
7460 (prescan_loop): Figure out whether or not there are jumps from the
7461 loop to targets other than the label immediately following the
7462 loop. Call insert_loop_mem to notice all the MEMs used in the
7463 loop, if it could be safe to pull MEMs into REGs for the duration
7465 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7467 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7469 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7471 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7473 * config/sparc/sparc.c (finalize_pic): Check for the correct
7474 nonlocal_goto_receiver UNSPEC number.
7475 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7476 making note of this dependency existing in sparc.c
7477 (negtf2_notv9 split): Give NEG SFmode.
7478 (negsf2): Fix insn output string.
7480 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7482 * c-common.c (decl_attributes): Issue an error if the argument
7483 to alias is not a string.
7485 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7487 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7488 pending memory flush list.
7490 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7492 (try_combine): Allow combining insns with REG_LIBCALL notes.
7494 * expr.c (emit_block_move): Do not call memcpy as a libcall
7495 instead build up a CALL_EXPR and call it like any other
7497 (clear_storage): Similarly for memset.
7499 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7502 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7505 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7506 and REG_LIVE_LENGTH as successful substitutions are made.
7508 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7510 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7511 statement after end of loop label.
7513 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7515 * config/sparc/sparc.c (ultra_types_avail): New variable.
7516 (ultra_build_types_avail): New function to record mask of insn
7517 types in ready list at this cycle.
7518 (ultrasparc_sched_reorder): Call it.
7519 (ultra_find_type): Use it to quicken the search. Also simplif
7520 dependency check, don't use rtx_equal_p because we know exactly
7521 what we are looking for.
7523 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7525 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7526 for architecture v4.
7528 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7530 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7532 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7533 movdf_const_intreg and helper splits): New patterns to move float
7534 constants into integer registers.
7535 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7538 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7541 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7543 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7545 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7546 a BASE_REGS register is needed as an intermediate when copying
7547 a symbolic value into any register class other than BASE_REGS.
7549 * expr.c (move_by_pieces): No longer static. Remove prototype.
7550 * rtl.h (move_by_pieces): Add extern prototype.
7551 * mips.c (expand_block_move): Handle aligned straight line copy by
7552 calling move_by_pieces.
7554 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7557 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7559 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7560 jumps out of the loop to be treated as part of the exit test.
7562 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7563 Jeff Law <law@cygnus.com>
7565 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7566 * cplus-dem.c: Delete.
7568 * Makefile.in (fold-const.o): depend on $(RTL_H).
7570 * fold-const.c: Include rtl.h to get the prototype for
7571 `set_identifier_local_value'.
7573 * loop.c (express_from_1): Remove unused variable `tmp'.
7574 (combine_givs): cast the first argument of bzero to char *.
7576 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7578 * c-decl.c (init_decl_processing): Remove unneeded &.
7580 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7582 * except.c (set_exception_lang_code, set_exception_version_code):
7583 Change parameter from `short' to `int' to avoid using a gcc
7586 * except.h (set_exception_lang_code, set_exception_version_code):
7587 Likewise for prototypes.
7589 * flow.c (count_reg_references): Remove unused variables `regno'
7592 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7594 * prefix.c (translate_name): Cast the result of `alloca'.
7596 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7598 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7600 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7602 (valid_dbcc_comparison_p): Mark mode argument as unused.
7603 (symbolic_operand): Likewise.
7604 (legitimize_pic_address): Likewise.
7605 (const_uint32_operand): Likewise.
7606 (const_sint32_operand): Likewise.
7607 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7608 schedule_insns and comment out rest of file.
7610 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7612 (output_move_[hq]imode): Likewise.
7614 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7616 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7617 * invoke.texi: Corresponding changes.
7619 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7621 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7623 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7625 * config/sparc/sparc.c (ultra_code_from_mask,
7626 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7627 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7628 ultrasparc_sched_init, ultrasparc_variable_issue,
7629 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7630 functions to describe UltraSPARC pipeline exactly to Haifa.
7631 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7632 as there is nothing the scheduler can do about it. Indicate that
7633 REG_DEP_OUTPUT's collide. Fixup formatting.
7634 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7635 divide costs on Ultra for DImode.
7636 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7638 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7639 ieuN and add call_no_delay_slot to type list.
7640 (cti function unit): New unit for branches on UltraSPARC.
7641 (subx/addx insns): Set type to misc.
7642 (sidi zero/sign extension insns on arch64): Set type to shift.
7643 (sign_extendhidi2_insn): Set type to sload.
7645 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7647 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7648 (output_epilog): Use if != 0 for offset.
7649 (rs6000_fatal_bad_address): Prepare for Intl.
7650 * rs6000.h (rs6000_fatal_bad_address): Declare.
7651 * rs6000.md (movsfcc, movdfcc): Use else if.
7652 (elf_high): Use {liu|lis}.
7653 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7654 (movsi): Use rs6000_fatal_bad_address.
7656 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7658 * reload.c (find_equiv_reg): Reject equivalences separated
7659 by a volatile instruction.
7661 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7663 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7665 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7667 * alpha.md (movsicc): Fix mode mismatch.
7669 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7671 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7673 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7675 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7677 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7678 write-only modifier from operand 1 constraint.
7680 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7682 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7683 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7685 (sparc_emit_set_const64): Likewise, also when computing trailing
7686 bits do not negate low_bits and make fast_int an int.
7688 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7690 * loop.c (add_label_notes): Do not ignore references to labels
7691 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7692 * gcse.c (add_label_notes): Similarly.
7694 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7696 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7697 (adddi_dishl32): Similarly.
7699 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7701 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7702 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7703 * cse.c (cse_basic_block): Add parens to shut up warnings.
7705 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7707 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7708 sparc_emit_set_const64_longway, const64_is_2insns,
7709 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7710 in 64-bit constant formation.
7711 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7712 rtl for addx not subx.
7713 (define_insn movdi_const64_special): Make available even when
7714 HOST_BITS_PER_WIDE_INT is not 64.
7715 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7716 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7717 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7718 instances of operand 1 inside a QI subreg.
7719 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7720 (one_cmpldi2_sp64): Fix output string.
7721 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7723 (unnamed arch64 ashift DI): Truncate shift count if greater than
7726 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7728 * expr.c (store_expr): Don't optimize away load-store pair
7729 when either source or destination have a side effect.
7731 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7733 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7734 operands of SET are incompatible.
7736 * alpha.md: Fix max and min patterns so modes of SET operands match.
7738 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7740 * configure.in: Avoid [[ by using test and changequote.
7741 * configure: Rebuild.
7743 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7745 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7747 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7748 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7749 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7750 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7751 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7752 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7753 Fix mismatching modes in SET operands.
7754 (conditional move patterns): Fix formatting.
7755 (unnamed subx arch64 pattern): Remove duplicate insn.
7757 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7759 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7760 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7761 (input_operand): Fixup test for what we accept for constant
7763 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7765 (safe_constDI): Remove.
7766 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7767 gen_safe_XOR64): New functions.
7768 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7769 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7771 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7772 available when HOST_BITS_PER_WIDE_INT is not 64.
7773 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7774 move before movdi_insn_sp64 pattern.
7775 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7776 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7777 symbolic_operand as predicate for second operand.
7778 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7779 expander): Give set VOIDmode.
7781 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7783 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7785 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7787 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7789 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7791 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7793 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7795 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7797 * install.texi: Various SCO OpenServer tweaks.
7799 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7801 * reload1.c (eliminate_regs_in_insn): Handle another case when
7802 eliminating the frame pointer to the hard frame pointer. Add
7803 missing ep->to_rtx check to one existing case.
7805 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7807 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7809 * tree.h: De-conditionalize init_priority code.
7811 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7812 * collect2.c (NM_FLAGS): Change from -p to -n.
7814 * configure.in: Turn on collect2 for mipstx39-elf.
7815 Handle use_collect2=no properly.
7817 * c-common.c: De-conditionalize init_priority code.
7818 * collect2.c (extract_init_priority, sort_ids): New fns.
7819 (main): Call sort_ids.
7820 Move sequence_number to file scope.
7822 * configure.in: Handle --enable-init-priority.
7823 * c-common.c (attrs): Add A_INIT_PRIORITY.
7824 (init_attributes, decl_attributes): Likewise.
7825 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7826 * tree.c (get_file_function_name_long): Split out...
7827 (get_file_function_name): ...from here.
7829 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7831 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7834 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7836 * toplev.c (display_help): Add braces to shut up warnings.
7837 * tree.c (simple_cst_equal): Likewise.
7839 * fold-const.c (non_lvalue): Don't deal with null pointer
7841 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7843 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7844 of any size to a pointer.
7846 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7848 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7850 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7852 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7853 which will be saved.
7854 * mn10300.md (prologue insn): Only save registers which need saving.
7855 (epilogue insn): Similarly.
7857 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7860 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7862 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7863 VAR_DECL's in gp addressable sections.
7865 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7867 * sparc.c: Change return <exp> to <exp>; return; in functions
7869 * sparc.md: Add empty semicolon statement after final label in
7872 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7874 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7875 addx_extend_sp64, only allow when TARGET_ARCH64.
7876 (define_insn addx_extend_sp32 and split): Version that works when
7878 (define_insn subx_extend): Likewise.
7879 (define_split adddi3 and subdi3 with zero extension): Fixup and
7880 correct bugs when not TARGET_ARCH64.
7882 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7884 * except.c (set_exception_lang_code, set_exception_version_code):
7885 Use prototype-style definition if __STDC__, to match declaration
7888 * genemit.c: Change FAIL and DONE macros not to use loops.
7890 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7892 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7893 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7895 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7897 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7899 * README.g77: Update from Craig.
7901 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7903 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7905 (safe_constDI sparc_emit_set_const64_quick1,
7906 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7907 analyze_64bit_constant, const64_is_2insns,
7908 create_simple_focus_bits): Fix some bugs when compiled on real
7910 (function_arg_record_value_3, function_arg_record_value_2,
7911 function_arg_record_value): Add fully prototyped forward decls.
7912 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7913 to cmpsi_insn and use on both 64 and 32 bit targets.
7914 (define_insn cmpsi_insn_sp64): Remove.
7915 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7916 (define_insn zero_extendsidi2_insn): Rename to
7917 zero_extendsidi2_insn_sp64.
7918 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7919 assosciated forced split for it.
7921 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7923 * config/sparc/sparc.h: Declare them.
7924 (PREDICATE_CODES): Add them.
7925 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7926 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7928 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7930 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7931 in v9 case as the latter makes the Solaris assembler crash.
7933 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7935 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7936 for TFmode when !v9. We require offsettable memory addresses.
7937 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7938 DFmode register number conversions.
7939 * config/sparc/sparc.md (define_split DFmode moves): If register
7940 is a SUBREG do alter_subreg on it before using.
7941 (define_expand movtf): Fixup comment about alignment on v9.
7942 (define_split TFmode moves): Don't use gen_{high,low}part, create
7943 explicit SUBREGs instead.
7945 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7947 * Makefile.in (mbchar.o): Depend on mbchar.c.
7949 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7950 Richard Henderson <rth@cygnus.com>
7952 Rewrite Sparc backend for better code generation and
7953 improved sparc64 support.
7954 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7956 * config/sparc/sysv4.h: Likewise.
7957 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7958 move_operand, v8plus_regcmp_op, emit_move_sequence,
7959 singlemove_string, doublemove_string, mem_aligned_8,
7960 output_move_double, output_move_quad, output_fp_move_double,
7961 move_quad_direction, output_fp_move_quad, output_scc_insn):
7963 (small_int_or_double): New predicate.
7964 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7965 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7966 old pic_{sethi,lo_sum}_si patterns.
7967 (mem_min_alignment): New generic function to replace
7968 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7969 available and can test for arbitrary alignments. All callers
7971 (save_regs, restore_regs, build_big_number,
7972 output_function_prologue, output_cbranch, output_return,
7973 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7974 sparc_flat_output_function_epilogue): Prettify
7976 (output_function_epilogue): Likewise and add code to output
7977 deferred case vectors.
7978 (output_v9branch): Likewise, add new arg INSN and use it to tack
7979 on branch prediction settings. All callers changed.
7980 (print_operand): Likewise and output %l44 for LO_SUMs when
7982 (sparc_splitdi_legitimate): New function to make sure DImode
7983 splits can be run properly when !arch64.
7984 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7985 Reformat example code in comments.
7986 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7987 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7988 of deferred case vectors we need to output.
7989 (sparc_defer_case_vector): Record a case vector.
7990 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7991 sparc_output_deferred_case_vectors): New functions to output them.
7992 (sparc_emit_set_const32): New function to form 32-bit constants in
7993 registers when that requires more than one instruction.
7994 (safe_constDI, sparc_emit_set_const64_quick1,
7995 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7996 analyze_64bit_constant, const64_is_2insns,
7997 create_simple_focus_bits, sparc_emit_set_const64): New functions
7998 which do the same for 64-bit constants when arch64.
7999 (sparc_emit_set_symbolic_const64): New function to emit address
8000 loading for all code models on v9.
8001 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8002 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8003 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8004 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8005 inaccuracies in comments, add symbolic and text_segment operands
8006 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8007 GENERAL_REGS in these cases as a temp REG is needed to load these
8008 addresses into a register properly.
8009 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8011 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8012 quads are guarenteed to have 16-byte alignment.
8013 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8014 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8015 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8016 deferred case vector implementation.
8017 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8018 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8019 Generate "internal label - label" instead of "label - 1b".
8020 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8021 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8022 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8024 (doublemove_string, output_block_move, output_fp_move_double,
8025 output_fp_move_quad, output_move_double, output_move_quad,
8026 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8027 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8028 (sparc_emit_set_const32, sparc_emit_set_const64,
8029 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8030 mem_min_alignment, small_int_or_double): Add externs.
8031 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8032 UNSPEC_VOLATILE in this backend.
8033 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8034 unary to types which execute in it.
8035 (define_function_unit ieu_shift): Rename to ieu0.
8036 (define_function_unit ieu1): New, executes compare, call, and
8037 uncond_branch type insns.
8038 (define_function_units for type fdivs, fdivd, fsqrt): These
8039 execute in the fpu multiply unit not the adder on UltraSparc.
8040 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8041 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8042 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8043 allows the arith_double_operand predicate and rHI constraint when
8045 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8046 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8047 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8048 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8049 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8050 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8051 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8052 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8053 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8054 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8055 sign_extendqihi2_insn, sign_extendqisi2_insn,
8056 sign_extendqidi2_insn, sign_extendhidi2_insn,
8057 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8058 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8059 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8060 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8061 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8062 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8063 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8064 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8065 smulsi3_highpart_v8plus, unnamed subreg mult,
8066 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8067 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8068 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8069 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8070 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8071 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8072 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8073 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8074 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8075 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8076 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8077 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8078 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8079 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8080 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8081 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8082 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8083 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8084 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8085 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8086 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8087 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8088 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8089 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8090 call_address_untyped_struct_value_sp32,
8091 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8092 call_value_symbolic_sp32, call_value_address_sp64,
8093 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8094 flush_register_windows, goto_handler_and_restore,
8095 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8096 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8097 return_addsi, return_di, return_adddi, return_sf, all call+jump
8098 peepholes, trap, unnamed trap insns): Prettify output strings.
8099 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8100 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8101 Likewise and force + implement splits for integer cases.
8102 (define_insn return_sf_no_fpu): Likewise and allow to match when
8103 no-fpu because of our subreg SFmode splits.
8104 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8105 zero_extendqidi2_insn, zero_extendhidi2_insn,
8106 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8107 input_operand for second operand.
8108 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8109 reg_or_0_operand for operand 2 so new splits can use it.
8110 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8111 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8113 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8114 CONST_DOUBLEs for operand 2.
8115 (define_insn move_label_di): Likewise and label distance
8116 optimization because it no longer works with new deferred case
8117 vector scheme. To be revisited.
8118 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8119 and allow reg_or_0_operand and J constraint for second operand.
8120 (define_insn jump): Set branch predict taken on V9.
8121 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8122 new deferred case vector scheme.
8123 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8124 (define_insn negdi2_sp32): Force + implement splits.
8125 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8126 one_cmplsi2_not_liveg0 respectively, and create expander of original
8127 names which emit special rtl for TARGET_LIVE_G0.
8128 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8129 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8130 gen_compare_reg, FAIL instead.
8131 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8132 values when trying to reverse condition codes, if they FAIL then
8134 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8135 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8136 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8137 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8138 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8139 set output string to # to indicate they are mandatory splits.
8140 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8141 pic_sethi_di, move_pic_label_si): Remove.
8142 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8143 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8145 (define_expand movsi_pic_label_ref, define_insn
8146 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8147 expander and insns to handle PIC label references and deferred
8149 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8151 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8152 Rewrite to not use emit_move_sequence, make use of new constant
8153 formation code, and new splits for all multi-insn cases.
8154 (define_insn movqi_insn): Remove sethi case, it can never happen.
8155 Use reg_or_zero_operand instead of const0_rtx explicit test,
8156 use input_operand instead of move_operand for source, and use
8157 general_operand now for dest.
8158 (define_insn movhi_insn): Similar but leave sethi case.
8159 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8160 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8161 movhi_lo_sum respectively, prettify output string.
8162 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8163 register when needed on TARGET_LIVE_G0.
8164 (define_insn movsi_insn): Use general_operand and input_operand
8165 for dest and src respectively. Simplify applicability test.
8166 Prettify output strings, and add clr alternative for J
8168 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8169 deprecated std and reg-reg DI moves): Remove and...
8170 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8171 implementation which uses forced splits for all non-single insn
8173 (define_split DI move cases on !arch64): New splits to handle all
8174 situations of 64-bit double register DImode on 32bit, and
8175 unaligned registers and memory addresses for all subtargets.
8176 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8178 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8179 input_operand for dest and src respectively, prettify output
8181 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8182 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8184 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8185 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8186 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8187 movtf_no_e_insn_sp64) Replace with new
8188 implementation which uses forced splits for all non-single insn
8190 (define_split DF move cases): New splits in similar vein to DI
8192 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8193 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8194 movdi_sp64_insn): Remove old v9 code model and constant loading
8196 (define_insn pic_lo_sum_di, pic_sethi_di,
8197 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8198 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8199 embmedany_sethi, embmedany_losum, embmedany_brsum,
8200 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8201 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8202 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8203 scheme, using unspecs, secondary reloads, and one to one sparc
8204 insn to rtl insn mapping for better scheduling and code gen.
8205 (define_expand reload_indi, reload_outdi): Reload helpers for
8206 MEDANY and EMBMEDANY symbol address loading cases which require a
8208 (define_expand movsicc): Remove v8plus_regcmp cases.
8209 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8210 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8211 cmp_diqi_trunc_set): New patterns used by some of the new scc
8213 (define_insn xordi3_sp64_dbl): New pattern used for constant
8214 formation when crossing from 32-bit targets.
8215 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8217 (define_insn addx, subx): Make visible and prettify.
8218 (define_insn adddi3_insn_sp32): Likewise and force split.
8219 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8220 64bit scc split usage.
8221 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8222 zero_extend, subdi3): Force and implement splits.
8224 * final.c (final_scan_insn): Don't output labels if target
8225 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8228 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8229 don't forget to walk inside SEQUENCESs too as these are what the
8230 delay slot scheduler will create.
8232 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8234 * alpha.md (extxl+1,+2): New patterns to work around
8237 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8239 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8240 caused bad assembly code to be generated.
8242 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8244 * netbsd.h: Fix typo.
8246 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8248 * config.sub: Fix typo.
8250 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8252 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8254 (Running Protoize): Typo: Change "ther" into "other".
8256 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8258 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8259 * m68k/netbsd.h: Likewise.
8260 * ns32k/netbsd.h: Likewise.
8261 * sparc/netbsd.h: Likewise.
8263 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8265 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8266 * ginclude/va-clipper.h (va_list): Likewise.
8268 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8270 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8271 load/store multiple instructions unless user overrides.
8273 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8275 * ns32k/netbsd.h: Fix typo.
8277 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8279 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8280 labels with .debugsym if no parallel insns.
8282 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8284 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8285 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8287 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8289 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8290 (AR_FOR_TARGET): Define.
8292 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8294 * dyn-string.h: New file.
8295 * dyn-string.c: Likewise.
8296 * Makefile.in (OBJS): Add dyn-string.o.
8297 (dwarf2out.o): Add dyn-string.h dependency.
8298 (dyn-string.o): List dependencies.
8299 * dwarf2out.c: Include dyn-string.h.
8300 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8301 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8302 prototype. Use dyn_string_append rather than strcat, throughout.
8303 (addr_to_string): Use dyn_string_t.
8305 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8307 Function entry/exit profiling instrumentation:
8308 * expr.h (profile_function_entry_libfunc,
8309 profile_function_exit_libfunc): Declare new variables.
8310 * optabs.c: Define them here.
8311 (init_optabs): Initialize them.
8312 * tree.h (struct tree_decl): New flag
8313 no_instrument_function_entry_exit.
8314 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8315 * c-decl.c (duplicate_decls): Merge it.
8316 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8317 (init_attributes): Use it for "no_instrument_function".
8318 (decl_attributes): Handle it, for functions that have not yet been
8319 compiled. Set decl flag.
8320 * flags.h (flag_instrument_function_entry_exit): Declare new
8322 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8323 (f_options): New option "instrument-functions".
8324 * function.h (struct function): New field instrument_entry_exit.
8325 * function.c (current_function_instrument_entry_exit): New
8327 (push_function_context_to, pop_function_context_from): Save and
8329 (expand_function_start): Set current_ variable, maybe emit return
8330 label and entry profile call.
8331 (expand_function_end): Maybe emit exit profile call.
8333 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8335 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8336 NON_QI_REG_P, pretend the register is SImode.
8338 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8340 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8341 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8342 manufacturer id for ns32k.
8343 * configure: Regenerated.
8344 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8345 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8346 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8347 * config/m68k/netbsd.h: Same.
8348 * config/ns32k/netbsd.h: Same.
8349 * config/sparc/netbsd.h: Same.
8351 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8353 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8354 or UNROLL_COMPLETELY loop that starts with a jump to its
8357 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8359 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8360 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8361 (print_operand, case 'B'): Don't fall through.
8362 (print_operand, case 'S'): Correct mask begin/end computation.
8363 Use HOST_BITS_PER_WIDE_INT.
8364 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8365 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8366 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8367 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8369 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8371 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8372 constraint from second alternative.
8374 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8376 * configure.in: Fix --without/--disable cases for local-prefix,
8377 gxx-include-dir and checking.
8379 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8381 * configure.in (enable_haifa): Set by default for sparc64 too.
8384 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8386 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8387 * i386/winnt.c (associated_type): New fn.
8388 (i386_pe_valid_type_attribute_p): New fn.
8389 (i386_pe_check_vtable_importexport): Remove.
8390 (i386_pe_dllexport_p): Use associated_type.
8391 (i386_pe_dllimport_p): Likewise.
8393 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8394 * i386.c (i386_valid_type_attribute_p): Also accept
8395 attributes for METHOD_TYPEs.
8397 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8399 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8401 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8403 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8405 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8406 them from generating a new base name for each occurence of
8409 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8411 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8413 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8417 * cplus-dem.c (type_kind_t): New type.
8418 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8419 on this paramter, rather than demangling the type again.
8420 (demangle_integral_value): Pass tk_integral.
8421 (demangle_template_: Pass the value returned from do_type.
8422 (do_type): Return a type_kind_t. Pass tk_integral to
8423 demangle_template_value_parm for array bounds.
8424 (demangle_fund_type): Likewise.
8426 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8428 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8431 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8433 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8435 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8437 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8439 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8442 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8444 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8445 (DEBUGGER_ARG_OFFSET): Likewise.
8447 * mn10300.md (movsf): Remove last change. Not needed.
8449 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8451 * c-lex.c (yylex): Fix boundary conditions in character literal and
8452 string literal loops.
8454 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8456 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8457 being invoked incorrectly.
8459 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8460 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8462 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8463 * configure.in: Added i[34567]86-*-win32
8464 * config.sub: Ditto.
8465 * configure: Rebuilt.
8467 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8469 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8470 the frame pointer and compiling PIC code and reload has not completed.
8472 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8475 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8477 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8479 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8481 * Makefile.in (install-info): Only try to update the info
8482 directory file if it exists in the first place.
8484 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8486 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8488 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8490 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8491 CONST_DOUBLE source.
8493 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8495 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8496 strings as the insertion of USER_LABEL_PREFIX.
8497 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8499 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8502 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8504 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8505 already defined type.
8507 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8509 * expr.c (check_max_integer_computation_mode): Allow conversions
8510 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8511 (expand_expr): Likewise.
8513 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8515 * expr.c (expand_expr): Expand RETURN_EXPR.
8517 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8519 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8521 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8523 * dwarf2out.c (output_aranges): Call stripattributes
8524 for TEXT_SECTION references.
8525 (output_line_info): Likewise.
8527 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8529 * profile.c (branch_prob): Call allocate_reg_info after outputting
8530 profile rtl in instrument_arcs.
8532 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8534 * fixinc.irix (math.h): Install wrapper instead of copying.
8536 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8538 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8539 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8540 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8541 lang_flag_0. Added documentation in the flag table.
8543 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8545 * cccp.c (do_include): Fix vax c style include handling.
8547 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8549 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8551 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8553 * fold-const.c (non_lvalue): Don't deal with null pointer
8555 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8557 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8559 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8560 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8561 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8562 (u_short_cint_operand): Same.
8563 (reg_or_cint_operand): Same.
8564 (logical_operand): Same.
8565 (input_operand): Same.
8566 (reg_or_short_operand): Use u_short_cint_operand.
8568 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8570 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8571 but keep the insns and splits. Adjust so when the ultimate destination
8572 is memory, use cvtql.
8574 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8576 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8578 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8580 * gcc.c (do_spec): Call "error" not "warning".
8582 * configure.in: Fix minor problems with gas feature detection code.
8583 * configure: Rebuilt.
8585 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8588 * gcc.c: Delete %[spec] support.
8589 (do_spec_1, case '('): Likewise.
8590 (do_spec_1, case '['): Call error.
8592 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8594 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8595 (CPP_SUBTARGET_SPEC): Default to empty string.
8596 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8597 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8598 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8599 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8601 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8602 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8603 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8604 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8605 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8606 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8607 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8608 * alpha/vxworks.h: Likewise.
8610 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8612 * mips.md (reload_outsi): Added missing REGNO call.
8613 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8615 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8616 another match_operator and compare the codes.
8618 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8620 * MIPS multiply pattern fixes:
8621 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8622 Add union classes for HI, LO, or HILO plus general registers.
8623 (GENERATE_MADD): Deleted.
8624 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8625 Add TARGET_MAD to condition.
8626 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8627 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8628 "*d" for accumulator, to give preference to LO initially but not
8631 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8633 * configure.in (enable_c_mbchar): New configure option.
8634 (extra_cpp_objs): Always available now.
8636 * cexp.y (mbchar.h): #include it.
8637 (yylex): Handle Multibyte characters in character literals.
8639 * cccp.c (mbchar.h): #include it.
8640 (main): Set character set based on LANG environment variable.
8641 (rescan): Handle multibyte characters in comments.
8642 (skip_if_group): See above.
8643 (validate_else): See above.
8644 (skip_to_end_of_comment): See above.
8645 (macarg1): See above.
8646 (discard_comments): See above.
8647 (rescan): Handle multibyte characters in string and character literals.
8648 (collect_expansion): See above.
8649 (skip_quoted_string): See above.
8650 (macroexpand): See above.
8651 (macarg1): See above.
8652 (discard_comments): See above.
8653 (change_newlines): See above.
8655 * c-lex.c (mbchar.h): #include it.
8656 (GET_ENVIRONMENT): New macro.
8657 (init_lex): Set character set based on LANG environment variable.
8658 (yylex): Handle multibyte characters in character literals.
8659 (yylex): Handle multibyte characters in string literals.
8661 * Makefile.in (mbchar.o): New target.
8662 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8663 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8665 * mbchar.[ch]: New files for multibyte character handling.
8667 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8669 * jump.c (jump_optimize): When simplifying noop moves and
8670 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8671 the PUSHes to rewrite in second loop as we did in the first.
8673 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8675 * cplus-dem.c (demangle_nested_args): Make function definition
8676 static to match the prototype.
8678 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8680 * alloca.c: Respect USE_C_ALLOCA.
8681 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8682 * gengenrtl.c (xmalloc): Likewise.
8684 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8686 * loop.h (struct induction): Add no_const_addval.
8687 * loop.c (the_movables, reg_address_cost): New variables.
8688 (init_loop): Init reg_address_cost.
8689 (loop_optimize): Call end_alias_analysis.
8690 (scan_loop): Init the_movables.
8691 (record_giv): Init induction->no_const_addval.
8692 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8693 [REG]: Rearrange loop search test to catch more cases.
8694 (general_induction_var): Return success not benefit; take an extra
8695 argument for that. Change all callers.
8696 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8697 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8698 [default]: Search the_movables for additional combinations.
8699 (sge_plus_constant, sge_plus): New functions.
8700 (express_from_1): New function.
8701 (express_from): Always define. Rewrite using express_from_1.
8702 (combine_givs_p): Handle more cases. Ignore address cost.
8703 (cmp_combine_givs_stats): New function.
8704 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8705 (combine_givs): Rewrite to do best-fit combination.
8707 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8708 (fold): Do a complete (A*C)+(B*C) association check.
8710 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8712 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8714 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8716 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8718 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8720 * tree.c (valid_machine_attribute): Only create a new type variant if
8721 there is a decl to use it.
8723 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8725 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8728 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8730 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8733 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8735 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8736 Simplify tests for clearing an address register.
8737 (expand_prologue): Corresponding changes.
8739 * mn10300.md (movXX patterns): Make sure the destination is an
8740 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8741 (logical patterns): Split into expanders + patterns
8742 (zero and sign extension patterns): Similarly.
8743 (shift patterns): Similarly.
8745 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8747 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8748 for the sequence, recording base values.
8750 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8752 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8754 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8756 * gcc.c: Remove ANSI-C ism from --help code.
8758 * toplev.c: Support --help with USE_CPPLIB.
8760 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8762 * configure.in: Rework gas feature code to work with symlink based
8765 * extend.texi: Clarify some issues related to local variables
8766 assigned to explicit registers.
8768 * mn10300.md (mulsi): Turn into expander + pattern.
8770 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8773 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8775 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8777 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8779 * version.c: Bump again to distinguish mainline tree from the
8782 See ChangeLog.0 for earlier changes.
8785 add-log-time-format: current-time-string
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