1 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
3 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
4 value_mode for the return mode.
6 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
8 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
11 * config/tm-dwarf2.h: New file.
13 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
15 * calls.c (special_function_p): Push alloca test inside the large
16 conditional which excludes functions not at file scope or not
19 * calls.c (special_function_p): New function broken out of
21 (precompute_register_parameters): Likewise.
22 (store_one_arg): Likewise.
23 (store_unaligned_argumetns_into_pseudos): Likewise.
24 (save_fixed_argument_area): Likewise.
25 (restore_fixed_argument_area): Likewise.
26 (expand_call): Corresponding changes.
28 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
30 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
32 (const_sint32_operand): Likewise.
34 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
36 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
37 is a macro when deciding if we can use `jmp_buf' in prototypes.
39 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
41 * config/c4x/c4x.md (addqi3): If the destination operand is
42 a hard register other than an extended precision register,
43 emit addqi3_noclobber.
44 (*addqi3_noclobber_reload): New pattern added so that reload
45 will recognise a store of a pseudo, equivalent to the sum
46 of the frame pointer and a constant, as an add insn.
48 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
50 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
52 * i386/xm-go32.h: Define LIBSTDCXX.
54 * i386/go32.h (MD_EXEC_PREFIX): Define.
55 (FILE_NAME_ABSOLUTE_P): Define.
56 (LINK_COMMAND_SPEC): Define.
58 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
60 * expr.c (store_expr): If the lhs is a memory location pointed
61 to be a postincremented (or postdecremented) pointer, always
62 force the rhs to be evaluated into a pseudo.
64 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
66 * real.c (mtherr): Print more reasonable warning messages.
68 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
70 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
72 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
73 (new_include_prefix): Constify char* parameters.
75 * cppfiles.c (read_name_map): Likewise.
76 (append_include_chain): Likewise. Also, use a writable char* copy
77 of parameter `dir' which we then modify, rather than using the
78 parameter itself to store the new writable string.
79 (remap_filename): Constify some variables. Also, use a writable
80 char* to store an allocated string which we will be modifying.
82 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
83 (cpp_start_read): Constify variable `str'.
85 * cpplib.h (append_include_chain): Constify a char* parameter.
87 * gcc.c Include prefix.h, don't prototype prefix.c functions.
88 (add_prefix, save_string): Constify char* parameters.
89 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
91 * prefix.c: Include prefix.h.
92 (get_key_value, translate_name, save_string, update_path,
93 set_std_prefix): Constify various char* parameters and variables.
94 (save_string): Use xmalloc, not malloc.
95 (translate_name): Use a writable temporary variable to create and
96 modify a string before setting it to a const char*.
98 * prefix.h: New file to prototype functions exported from prefix.c.
100 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
102 * cpplib.c (skip_if_group): Split out the logic that handles
103 directive recognition to its own function. Don't use
104 parse markers; use a bare pointer into the buffer. Use
105 copy/skip_rest_of_line instead of doing it by hand. Remove
106 `return on any directive' mode which was never used, and take
108 (consider_directive_while_skipping): New function, subroutine
109 of skip_if_group. Logic streamlined a bit.
110 (conditional_skip, do_elif, do_else): Call skip_if_group with
113 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
115 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
118 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
120 * extend.texi (Bound member functions): Document.
122 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
124 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
125 lang_to_string, type_to_string): Make return type const char*.
126 (print_symbol): Apply `const' keyword to a char*.
127 (print_file_desc): Cast structure member `crfd' to ulong when
128 comparing against one.
130 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
131 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
132 (progname, input_name): Apply `const' keyword to a char*.
133 Don't redundantly include sys/stat.h.
134 (alloc_info): Apply `const' keyword to a char*.
135 (st_to_string, sc_to_string): Likewise.
136 (hash_string): Cast variable `hash_string' to a symint_t when
137 comparing against one.
138 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
139 Likewise cast it to long when comparing against one.
140 (add_local_symbol): Apply `const' keyword to a char*.
141 (add_ext_symbol): Likewise.
142 (add_unknown_tag): Likewise.
143 (add_procedure): Cast a printf-style field width to an int.
144 (add_file): Cast PAGE_USIZE to long when comparing against one
145 (parse_begin): Cast a printf-style field width to an int.
146 (parse_bend): Likewise.
147 (parse_def): Likewise.
148 (parse_end): Likewise.
149 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
150 (parse_stabs_common): Fix format specifier.
151 (parse_input): Change type of variable `i' to Size_t.
152 (write_object): Fix arguments to match format specifiers.
153 Cast variable `num_write' to long when comparing against one.
154 (read_seek): Cast variable `sys_read' to symint_t when comparing
155 against one. Fix arguments to match format specifiers. Cast
156 variable `size' to long when comparing against one.
157 (copy_object): Cast result of `sizeof' to int when comparing
158 against one. Fix arguments to match format specifiers. Cast
159 variable `ifd' to long when comparing against a signed value.
162 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
164 * c-common.c (decl_attributes): Allow applying attribute `unused'
167 * c-parse.in (label): Parse attributes after a label, and call
168 `decl_attributes' to handle them.
170 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
172 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
173 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
175 * invoke.texi: Note that labels can be marked `unused'.
177 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
179 * version.c: Bump for snapshot.
181 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
183 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
184 RTL for a compare/jump sequence.
186 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
188 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
189 for a target with HAVE_cc0 defined.
190 (emit_cmp_and_jump_insns): New function.
191 * expr.h (emit_cmp_and_jump_insns): Prototype it.
192 * loop.c (check_dbra_loop): Use it to replace calls
193 to emit_cmp_insn and emit_jump_insn and to canonicalise
194 the comparison if necessary.
195 * unroll.c (unroll_loop): Likewise.
197 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
199 * fixincludes (sys/utsname.h): Provide forward declaration of
200 struct utsname on Ultrix V4.[35].
202 * mips.md (div_trap): Use local labels instead of dot-relative
205 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
207 * pa.md (branch, negated branch): Handle (const_int 0) as first
209 * pa.c (output_cbranch): Likewise.
211 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
213 * rs6000.c (rs6000_stack_info): Undo spurious part of last
216 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
218 * extend.texi (__builtin_constant_p): Add missing @smallexample.
220 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
222 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
224 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
226 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
227 (adddi_dishl32): Similarly.
229 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
230 for each insn in the skipped block.
232 * reload1.c (reload_as_needed): Verify that the insn satisfies its
233 constraints after replacing a register address with an autoincrement
234 address for reload inheritance purposes.
236 * i386.md (doubleword shifts): Avoid namespace pollution.
238 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
240 * configure.in (FreeBSD ELF): Needs special crt files.
242 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
244 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
246 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
248 * loop.c (check_dbra_loop): While reversing the loop, if the
249 comparison value has a VOID mode use the mode of the other operand
252 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
254 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
255 avoid warnings in compiling explow.c.
257 (patch from Ken Raeburn, raeburn@cygnus.com)
258 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
259 fpmem_offset. Compute total size after that, and then
260 rs6000_fpmem_offset using both values.
262 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
264 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
265 the future; indeed that already happens in some cases.
267 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
269 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
270 (arith_operand): Remove constant_p_rtx handling.
271 (const64_operand, const64_high_operand): Likewise.
272 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
273 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
274 (small_int_or_double, uns_small_int, zero_operand): Likewise.
275 * sparc.h (PREDICATE_CODES): Likewise.
277 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
279 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
281 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
282 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
283 consider constant CONSTRUCTOR constant and to defer some cases
285 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
286 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
288 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
290 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
291 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
293 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
294 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
295 (sext_add_operand, and_operand, or_operand): Likewise.
296 (reg_or_cint_operand, some_operand, input_operand): Likewise.
297 * alpha.h (PREDICATE_CODES): Likewise.
299 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
301 * version.c: Bump for snapshot.
303 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
305 * gengenrtl.c (gencode): Always use bzero to clear memory instead
306 of dangerous casts and stores.
308 * Makefile.in (compare, gnucompare): Add missing else true clauses.
310 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
312 * alpha.md (builtin_longjmp): Add missing "DONE".
314 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
316 * gcc.c (execute): Enable -pipe with win32.
318 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
320 * config/arm/t-arm-elf: Add multiplib option for leading
323 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
324 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
326 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
327 than variable 'reload_address_base_reg_class'. [Note this
328 change is unrelated to the others in this patch].
330 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
333 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
335 * alias.c (record_alias_subset): Remove ignored `&'.
336 (init_alias_once): Likewise.
338 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
340 * config/mips/mips.c (mips_asm_file_end): Cast the result of
341 fwrite to `int' when comparing against one.
343 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
344 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
346 * cse.c (rehash_using_reg): Change type of variable `i' to
349 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
352 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
354 * final.c (final_scan_insn): Likewise for variable `i'.
355 (output_asm_insn): Cast a char to unsigned char when used as an
358 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
361 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
363 * recog.c (preprocess_constraints): Cast a char to unsigned char
364 when used as an array index.
366 * regmove.c (find_matches): Likewise.
368 * reload1.c (calculate_needs): Add default case in switch.
369 (eliminate_regs_in_insn): Initialize variable `offset'.
370 (set_offsets_for_label): Change type of variable `i' to unsigned.
371 (reload_as_needed): Wrap variable `i' in macro check on
372 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
374 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
375 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
376 when comparing against one.
378 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
379 unsigned when comparing against one. Likewise for
380 GET_MODE_ALIGNMENT().
381 (layout_record): Cast record_align to int when comparing against a
383 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
386 * tree.c (get_identifier): Cast variable `len' to unsigned when
387 comparing against one.
388 (maybe_get_identifier): Likewise
390 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
392 * toplev.c (rest_of_compilation): Do not set reload_completed.
393 * reload1.c (reload): Set reload_completed before calling
394 cleanup_subreg_operands.
396 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
398 * reload1.c (emit_reload_insns): Check `set' not null before use.
400 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
402 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
405 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
407 * halfpic.c (half_pic_encode): Delete redundant code.
409 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
411 * toplev.c (main): Delete handling of -dM as a preprocessor
414 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
416 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
417 -dI, which are handled by the preprocessor.
419 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
421 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
422 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
424 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
426 * version.c: Bump for snapshot.
428 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
430 * version.c: Bump for snapshot.
432 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
434 * version.c: Bump for snapshot.
436 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
438 * genattr.c (fatal): Qualify a char* with the `const' keyword.
440 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
441 write_unit_name, write_eligible_delay, expand_units,
442 make_length_attrs, write_attr_case, find_attr,
443 make_internal_attr): Likewise.
444 * gencheck.c (tree_codes): Likewise.
445 * gencodes.c (fatal): Likewise.
446 * genconfig.c (fatal): Likewise.
447 * genemit.c (fatal): Likewise.
448 * genextract.c (fatal, walk_rtx, copystr): Likewise.
449 * genflags.c (fatal): Likewise.
450 * genopinit.c (fatal, optabs, gen_insn): Likewise.
451 * genoutput.c (fatal, error, predicates): Likewise.
452 * genpeep.c (fatal): Likewise.
453 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
454 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
456 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
458 * configure.in (with-fast-fixincludes): Fix whitespace.
459 * configure: Rebuilt.
461 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
462 asm() etc. function declarations in __DECC.
464 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
466 * expr.c (emit_move_insn_1): Only emit a clobber if the target
467 is a pseudo register.
469 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
471 * gcse.c: Include expr.h in order to get the prototype for
472 get_condition() which is used in delete_null_pointer_checks().
474 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
476 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
478 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
480 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
481 (ALL_CFLAGS): Delete SCHED_CFLAGS.
483 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
485 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
488 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
490 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
491 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
492 optimizations from the combiner.
494 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
496 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
498 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
500 * toplev.c (main): Disable optimize_size if a specific
501 optimization level is requested. Always set optimization
502 level to 2 if -Os is specified.
504 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
506 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
508 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
509 initialize it using fname.
511 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
513 * cpplib.c (do_include): Treat #include_next in the
514 primary source file as #include plus warning. Treat
515 #include_next in a file included by absolute path as an
516 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
518 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
520 * cccp.c: Don't define MIN/MAX anymore.
521 * cpplib.c: Likewise.
522 * machmode.h: Likewise.
523 * system.h: Provide definitions for MIN/MAX.
525 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
527 * fix-header.c: Don't define xstrdup here.
529 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
531 * loop.c (consec_sets_giv): New argument last_consec_insn.
532 (strength_reduce): Provide / use it.
534 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
536 * loop.h (loop_info): New field 'vtop'.
537 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
538 scanning loop for vtop.
539 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
540 (loop_iterations): Use them to determine if loop has a constant
541 number of iterations. Set loop_info->vtop. Don't subtract
542 common reg term from initial_value and final_value if have a
545 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
547 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
549 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
551 * mn10200.md (abssf2, negsf2): New expanders.
553 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
555 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
557 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
558 replaced by a CONCAT whoes components do not have the same
559 mode as the original SUBREG, use a new SUBREG to restore the
562 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
563 multiword complex values.
565 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
567 * cppalloc.c: Add xstrdup here.
568 * cpplib.h: Remove savestring prototype.
569 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
571 * cppfiles.c: s/savestring/xstrdup/ throughout.
573 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
575 * cpplib.c: Make all directive handlers read their own
577 (struct directive): Remove last two arguments from FUNC
578 member prototype. Remove `command_reads_line' member
580 (directive_table): Remove initializations of
581 command_reads_line flag. Pretty-print.
582 (eval_if_expression, do_define, do_line, do_include,
583 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
584 do_else, do_elif, do_sccs, do_assert, do_unassert,
585 do_warning): Take only two args.
587 (cpp_define): Call do_define with two args and the text to
588 define stuffed into a buffer.
589 (make_assertion): Call do_assert with two args.
590 (handle_directive): Call do_line with two args. Call
591 kt->func with two args. Remove command_reads_line
593 (do_define, do_undef, do_error, do_warning, do_pragma,
594 do_sccs): Read the rest of the line here.
595 (do_ident): Gobble rest of line, as cccp does.
596 (cpp_undef): New function.
597 (cpp_start_read): Call cpp_undef instead of do_undef.
599 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
601 * cpphash.h (union hash_value): Remove `keydef' member, add a
602 `struct hashnode *aschain' member for #assert.
604 * cpplib.c (struct tokenlist_list, struct
605 assertion_hashnode): Delete structure definitions.
606 (assertion_install, assertion_lookup, delete_assertion,
607 check_assertion, compare_token_lists, reverse_token_list,
608 read_token_list, free_token_list): Delete functions.
609 (parse_assertion): New function.
610 (cpp_cleanup): Don't destroy the assertion_hashtable.
612 (do_assert): Gut and rewrite. #assert foo (bar) places
613 entries for `#foo' and `#foo(bar)' in the macro hash table,
614 type T_ASSERT. The value union's `aschain' member is used
615 to chain all answers for a given predicate together.
616 (do_unassert): Also rewritten. Take an un-asserted
617 answer off the chain from its predicate and call
618 delete_macro on the hashnode, or walk a predicate chain
619 calling delete_macro on all the entries.
620 (cpp_read_check_assertion): Simply call parse_assertion to
621 get the canonical assertion name, and look that up in the
624 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
627 * cpphash.c (install): Use bcopy instead of an explicit loop
628 to copy the macro name.
630 * cppexp.c (cpp_lex): Convert the result of
631 cpp_read_check_assertion to a `struct operation' directly;
632 don't go through parse_number.
634 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
636 * loop.h (struct induction): Delete times_used member.
637 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
638 (n_times_used): Rename to n_times_set. Changed all users.
639 (scan_loop): Free reg_single_usage before strength reduction.
640 (record_giv, combine_givs): Remove handling of times_used member.
641 (combine_givs_used_once): Rename to:
642 (combine_givs_used_by_other) . Changed all callers.
644 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
646 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
647 instead of TREE_CODE_CLASS == 't'.
648 (gen_type_die): Likewise.
649 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
651 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
653 * real.c (endian): Disable last change unless
654 HOST_BITS_PER_WIDE_INT is greater than 32.
656 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
658 * output.h (force_data_section): New prototype.
659 * varasm.c (force_data_section): New function to force the
660 data section, regardless of what in_section thinks.
661 * dwarf2out.c (output_call_frame_info): Call force_data_section
662 since varasm may not realize we've changes sections.
664 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
666 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
667 after completeing reload.
669 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
670 deleted after reload.
672 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
674 * rtl.h (multiple_sets): Fix prototype.
675 * rtlanal.c (multiple_sets): Fix return type.
677 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
679 * version.c: Bump for snapshot.
681 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
683 * version.c: Bump for snapshot.
685 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
687 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
689 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
691 * rtl.h (recompute_reg_usage): Add second argument.
692 * flow.c (recompute_reg_usage): Likewise.
693 * toplev.c (rest_of_compilation): Supply second argument to
696 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
699 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
701 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
702 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
703 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
706 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
708 * rtlanal.c (multiple_sets): New function.
709 * rtl.h (multiple_sets): Declare it.
710 * local-alloc.c (wipe_dead_reg): Use it.
711 * global.c (global_conflicts): Likewise.
713 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
715 * global.c (record_conflicts): Don't use an array of shorts to
716 store an array of ints.
717 (global_conflicts): Likewise.
719 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
721 * alpha.c (alpha_expand_block_move): mode_for_size expects
722 bits, not bytes. Infer extra alignment from addressof.
724 1998-12-11 Michael Meissner <meissner@cygnus.com>
726 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
727 .sbss section, not .sdata.
729 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
731 * cccp.c: Do not #include <sys/stat.h> here; this is already done
733 * collect2.c: Likewise.
734 * cpplib.h: Likewise.
737 * getpwd.c: Likewise.
738 * protoize.c: Likewise.
739 * toplev.c: Likewise.
741 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
742 and don't try to define it here.
743 * Makefile.in (cppmain.o): Depend on machmode.h.
744 (cpplib.o): Likewise.
745 (cpperror.o): Likewise.
746 (cppexp.o): Likewise.
747 (cppfiles.o): Likewise.
748 (cpphash.o): Likewise.
749 (cppalloc.o): Likewise.
750 (fix-header.o): Likewise.
751 (scan-decls.o): Likewise.
753 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
755 * sh.c (print_operand): lookup interrupt_handler attribute instead
756 of relying on static variable.
757 * (calc_live_regs): Likewise.
758 * (sh_pragma_insert_attributes): Create interrupt_handler
759 attribute if a pragma was specified
760 * (sh_valid_machine_decl_attribute): Don't set static flag.
761 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
763 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
765 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
766 to determine if a register is live at a jump destination.
767 Everything is dead at a BARRIER.
769 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
771 * cse.c (simplify_unary_operation): Sign-extend constants when
772 they have the most significant bit set for the target.
773 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
775 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
776 HOST_WIDE_INT temporary before negating it.
777 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
779 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
781 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
784 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
786 * collect2.h: New header file for prototypes.
788 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
790 * collect2.c: Include collect2.h.
793 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
795 * flow.c: Update some comments.
797 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
799 * objc/objc-act.c (cpp_initialized): Removed.
800 (lang_init_options): Initialize cpplib.
801 (lang_decode_option): Move initialization of cpplib to
803 * c-lang.c: (parse_options,parse_in): Added.
804 (lang_init_options): Initialized cpplib here.
805 * c-decl.c (parse_options,cpp_initialized): Removed.
806 (c_decode_option): Move initialization of cpplib to
809 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
811 * reload1.c (reload_combine, reload_combine_note_store):
812 Make STORE_RUID always valid.
813 (reload_combine): Check if BASE is clobbered too early.
815 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
817 * reload.c (find_reloads): Display the insn that cannot be
820 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
822 * cccp.c (create_definition): Fix end of bufer logic.
824 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
826 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
827 pointer parameters changed to use the PARAMS() macro.
829 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
831 * except.h (struct handler_info): Add handler_number field.
832 * except.c (gen_exception_label): EH labels no longer need to be
833 on the permanent obstack.
834 (get_new_handler): Set the label number field.
835 (output_exception_table_entry): Regenerate handler label reference
836 from the label number field.
837 (init_eh): Remove a blank line.
838 * integrate.c (get_label_from_map): Labels no longer need to be
839 on the permanent obstack.
841 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
843 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
844 only when OUTER_CODE is SET.
846 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
848 * loop.c (strength_reduce): If scan_start points to the loop exit
849 test, be wary of subversive use of gotos inside expression statements.
850 Don't set maybe_multiple for a backward jump that does not
851 include the label under consideration into its range.
852 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
854 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
856 * explow.c (plus_constant_wide): Don't immediately return with
857 result of recursive call.
859 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
861 * eh-common.h (struct eh_context): Add table_index for rethrows.
863 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
864 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
865 processed when inlined or unrolled (ie duplicated in some way).
867 * rtl.c (reg_note_name): Add strings for new reg_note enums.
869 * expr.h (rethrow_libfunc): New library decl.
871 * optabs.c (rethrow_libfunc): Initialize.
873 * except.h (struct eh_entry): Add new field 'rethrow_label'.
874 (new_eh_region_entry): No longer exported from except.c.
875 (duplicate_handlers): Renamed to duplicate_eh_handlers and
877 (rethrow_symbol_map, rethrow_used): New exported functions.
878 (eh_region_from_symbol): New exported function.
880 * except.c (create_rethrow_ref): New function to create a single
881 SYMBOL_REF for a rethrow region.
882 (push_eh_entry): Initialize a rethrow ref.
883 (func_eh_entry): Add a rethrow_label field.
884 (new_eh_region_entry): Make static, and initialize the rethrow entry.
885 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
886 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
887 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
888 a region into an appropriate new symbol.
889 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
890 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
891 (end_catch_handler): Emit a barrier for new-exceptions since
892 control can never drop through the end of a catch block.
893 (expand_end_all_catch): new-exceptions never fall through a catch
895 (expand_rethrow): use __rethrow routine for new exceptions.
896 (output_exception_table_entry): Generate rethrow labels, if needed.
897 (output_exception_table): Generate start and end rethrow labels.
898 (init_eh): Create rethrow symbols for beginning and end of table.
899 (scan_region): Don't eliminate EH regions which are the targets of
902 * flow.c (make_edges): Add different edges for rethrow calls,
903 identified by having the REG_EH_RETHROW reg label.
904 (delete_unreachable_blocks): Don't delete regions markers which are
905 the target of a rethrow.
907 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
908 allow save_for_inline_copying to call duplicate_eh_handlers.
909 (save_for_inline_copying): Call duplicate_eh_handlers instead of
910 exposing internal details of exception regions.
911 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
912 (expand_inline_function_eh_labelmap): New callback routine to
913 allow expand_inline_function to call duplicate_eh_handlers.
914 (expand_inline_function): Call duplicate_eh_handlers instead of
915 exposing internal details of exception regions.
916 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
919 * libgcc2.c (find_exception_handler): Generalize to enable it to
920 pick up processing where it left off last time for a rethrow.
921 (__unwinding_cleanup): New function. debug hook which is called before
922 unwinding when __throw finds there is nothing but cleanups left.
923 (throw_helper): Common parts of __throw extracted out for reuse.
924 (__throw): Common parts moved to throw_helper.
925 (__rethrow): New function for performing rethrows.
927 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
929 * reload1.c (current_function_decl): Tweak declaration.
931 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
933 * c-decl.c (flag_isoc9x): Default off.
934 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
935 * cccp.c (print_help, main): Likewise.
936 * gcc.c (default_compilers): Update for -std=gnu*.
938 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
940 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
941 * demangle.h: Deleted.
943 * reload1.c (current_function_decl): Declare.
945 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
947 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
949 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
951 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
953 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
955 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
957 * configure: Rebuilt.
958 * system.h: If the *_unlocked functions are available use them
959 instead of the locked counterparts by defining macros.
960 * config.in: Regenerated.
962 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
964 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
965 wrong and should only be used for dump related things, not
966 debugging information, instead main_input_filename should be used.
967 Also, reuse output_file_directive if possible.
968 * i386/aix386ng.h (ASM_FILE_START): Likewise.
969 * i386/isc.h (ASM_FILE_START): Likewise.
970 * i386/win-nt.h (ASM_FILE_START): Likewise.
971 * i386/sun386.h (ASM_FILE_START): Likewise.
973 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
975 * configure.in (mips*-*-linux*): Handle big and little endian
977 * configure: Rebuilt.
979 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
981 * emit-rtl.c: Fix typo.
983 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
985 * reload1.c (eliminate_regs): Don't do anything, if we're not
988 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
990 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
992 * mips/mips.c (mips_select_section): Add comment.
994 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
996 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
997 characters in file names in #line to be consistent with #include
998 handling. We support escape prcessing in the # 1 "..." version of
999 the command. See also support in cp/lex.c.
1000 (handle_directive): Likewise.
1001 (do_line): Likewise.
1003 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1005 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1006 so it'll work on non-ASCII platforms. Always consider $ an
1007 identifier character. Take no arguments.
1008 (cpp_reader_init): Call initialize_char_syntax with no
1010 (cpp_start_read): Don't call initialize_char_syntax again.
1011 Clear is_idchar['$'] and is_idstart['$'] if not
1012 opts->dollars_in_ident.
1014 * cpplib.h (struct cpp_reader): Replace void *data element by
1015 cpp_options *opts. Rearrange elements to make gdb printout
1016 less annoying (put buffer stack at end).
1017 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1019 * cppmain.c: s/data/opts/ when initializing cpp_reader
1021 * c-decl.c: Likewise.
1022 * objc/objc-act.c: Likewise.
1023 * fix-header.c: Likewise.
1025 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1027 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1028 with a struct file_name_list pointer.
1029 (struct cpp_reader): Add pointer to chain of `actual
1030 directory' include searchpath entries.
1031 (struct file_name_list): Add *alloc pointer for the sake of
1032 the actual-directory chain.
1034 Move definition of HOST_WIDE_INT here.
1035 (cpp_parse_escape): Change prototype to match changes in
1038 * cppfiles.c (actual_directory): New function.
1039 (finclude): Use it to initialize the buffer's actual_dir
1041 (find_include_file): We don't need to fix up max_include_len
1044 * cpplib.c (do_include): Don't allocate a file_name_list on
1045 the fly for current directory "" includes, use the one that's
1046 been preallocated in pfile->buffer->actual_dir. Hoist out
1047 duplicate code from the search_start selection logic.
1048 (cpp_reader_init): Initialize pfile->actual_dirs.
1050 Remove definition of HOST_WIDE_INT. Change calls
1051 to cpp_parse_escape to match changes in cppexp.c (note
1052 hardcoded MASK, which is safe since this is the source
1055 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1056 to handle wide character constants in #if directives. The
1057 function now returns a HOST_WIDE_INT, and takes a third
1058 argument which is a binary mask for all legal values (0x00ff
1059 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1060 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1061 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1063 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1065 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1067 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1069 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1070 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1071 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1073 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1075 * final.c (output_asm_name): Use tabs to seperate comments from
1078 Include instruction lengths (if defined) in output.
1080 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1082 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1083 in the loop_info structure.
1085 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1087 * configure.in: (arm*-*-ecos-elf): New target.
1088 * configure: Regenerated.
1089 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1090 * config/arm/ecos-elf.h: New file.
1091 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1094 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1096 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1098 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1100 * version.c: Bump for snapshot.
1102 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1104 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1107 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1109 * version.c: Bump for snapshot.
1111 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1113 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1114 compressed reports are ok and preferred over URLs
1116 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1118 * invoke.texi (Warning Options): Soften the tone of -pedantic
1120 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1122 * print-rtl.c (print_rtx): Add prototype.
1124 * unroll.c (iteration_info): Make it static.
1126 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1128 * alias.c (memrefs_conflict_p): A second ANDed address
1129 disables the aligned address optimization.
1131 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1133 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1136 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1138 * i960.h (BOOL_TYPE_SIZE): Define.
1140 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1142 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1143 from old valid_parallel_operands_4.
1144 (valid_parallel_operands_4): Check that operands for 4 operand
1145 parallel insns are valid, excluding load/store insns.
1146 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1147 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1148 valid_parallel_load_store instead of valid_parallel_operands_4.
1149 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1150 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1151 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1152 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1153 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1154 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1155 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1157 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1159 * config/c4x/c4x.c (iteration_info): Delete extern.
1161 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1163 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1165 * final.c (cleanup_subreg_operands): Delete some unused code.
1167 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1168 (struct insn_alternative): New structure definition.
1169 (recog_op_alt): Declare variable.
1170 (preprocess_constraints): Declare function.
1171 * recog.c (recog_op_alt): New variable.
1172 (extract_insn): Verify number of alternatives is in range.
1173 (preprocess_constraints): New function.
1174 * reg-stack.c: Include recog.h.
1175 (constrain_asm_operands): Delete.
1176 (get_asm_operand_lengths): Delete.
1177 (get_asm_operand_n_inputs): New function.
1178 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1179 N_OUTPUTS args. All callers changed.
1180 Compute number of inputs and outputs here by calling
1181 get_asm_operand_n_inputs.
1182 Instead of constrain_asm_operands, call extract_insn,
1183 constrain_operands and preprocess_constaints. Use information
1184 computed by these functions throughout.
1185 (record_reg_life): Delete code that is unused due to changes in
1186 record_asm_reg_life.
1187 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1188 N_INPUTS and N_OUTPUTS args. All callers changed.
1189 Similar changes as in record_asm_reg_life.
1190 (subst_stack_regs): Move n_operands declaration into the if statement
1192 Delete code that is unused due to changes in subst_asm_stack_regs.
1193 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1195 * Makefile.in (reg-stack.o): Depend on recog.h.
1197 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1199 * except.c (set_exception_version_code): Argument is an "int".
1201 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1203 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1204 * configure: Rebuilt.
1206 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1208 * configure.in (mipsel-*-linux*): New target.
1209 * mips/linux.h: New file, based on other Linux targets.
1211 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1213 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1214 runs in the context of the deleter, not the deletee, so we must
1215 use taskVarGet to find the correct memory to free.
1216 (__gthread_key_create): Initialize the task
1217 variable subsystem so that the task variable is still active when
1218 the delete hook is run.
1220 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1222 * pdp11.h: Use optimize_size for space optimizations.
1223 * pdp11.c: Likewise.
1224 * pdp11.md: Likewise.
1226 * pdp11.h (TARGET_40_PLUS): Fix typo.
1228 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1230 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1233 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1235 * alias.c (addr_side_effect_eval): New function.
1236 (memrefs_conflict_p): Use it.
1237 * rtl.h (addr_side_effect_eval): Prototype it.
1239 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1241 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1243 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1245 * reload.c (find_reloads): When force const to memory, put result
1246 in substed_operand not *recog_operand_loc.
1248 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1250 * c-lex.c: Fix indentation from last patch.
1251 Remove trailing whitespace.
1254 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1256 * flow.c (delete_block): Call set_last_insn after we have reset
1257 NEXT_INSN (kept_tail).
1259 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1261 * mips.md (trap_if): Use "$0" for the value zero.
1263 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1264 Stephen L Moshier <moshier@world.std.com>
1265 Richard Henderson <rth@cygnus.com>
1267 * c-common.c (declare_function_name): Declare predefinied variable
1270 * c-decl.c (flag_isoc9x): Set to 1 by default.
1271 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1272 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1274 * c-parse.in: Allow constructors in ISO C 9x.
1275 Rewrite designator list handling.
1276 Allow [*] parameters.
1277 Don't warn about comma at end of enum definition for ISO C 9x.
1279 * cccp.c (c9x): New variable.
1280 (rest_extension): New variable.
1281 (print_help): Document new -std= option.
1282 (main): Recognize -std= option. Set c9x appropriately.
1283 (create_definition): Recognize ISO C 9x vararg macros.
1285 * gcc.c (default_compilers): Adjust specs for -std options.
1286 (option_map): Add --std.
1287 (display_help): Document -std.
1289 * toplev.c (documented_lang_options): Add -std and remove
1292 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1293 or REAL_VALUE_HTOF based on base of the constants.
1294 * fold-const.c (real_hex_to_f): New function. Replacement function
1295 for hex FP conversion if REAL_ARITHMETIC is not defined.
1296 * real.c (asctoeg): Add handling of hex FP constants.
1297 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1300 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1302 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1303 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1304 expansion. Use hi/lo as destination register.
1306 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1307 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1308 Avoid as macro expansion. Use hi/lo as destination register.
1310 * mips.h (MASK_CHECK_RANGE_DIV): New.
1311 (MASK_NO_CHECK_ZERO_DIV): New.
1312 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1313 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1314 return address for leaf functions out of r31 to support
1315 builtin_return_address.
1317 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1319 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1320 NEXT_INSN(x) to check insn x.
1322 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1324 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1325 last insn in the rtl chain.
1327 * reload1.c (reload): Do not set reload_completed or split insns
1329 * toplev.c (rest_of_compilation): Set reload_completed after
1330 reload returns. Split insns after reload_cse has run.
1332 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1334 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1336 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1338 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1340 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1342 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1343 use of user-label_prefix.
1345 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1347 * reload1.c (emit_reload_insns): Clear spill_reg_store
1348 when doing a new non-inherited reload from the same pseudo.
1350 * local-alloc.c (function_invariant_p): New function.
1351 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1352 to decide if an equivalence should be recorded.
1353 * reload1.c (num_eliminable_invariants): New static variable.
1354 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1355 to decide if an equivalence should be recorded.
1357 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1358 Take num_eliminable_invariants into account when deciding
1359 if register elimination should be done.
1360 (reload_as_needed): Take num_eliminable_invariants into account
1361 when deciding if register elimination should be done.
1362 (eliminate_regs): Handle non-constant reg_equiv_constant.
1363 * rtl.h (function_invariant_p): Declare.
1365 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1367 * version.c: Bump for snapshot.
1369 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1371 * version.c: Bump for snapshot.
1373 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1375 * except.c (add_new_handler): Complain about additional handlers
1376 after one that catches everything.
1378 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1380 * configure.in (alpha*-*-netbsd): Fix typo.
1381 * configure: Rebuilt.
1383 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1385 * system.h: Include libiberty.h.
1387 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1388 function `concat' from fixed parameters to variable parameters,
1389 as is done in libiberty. All callers of concat/concat3
1390 changed to use the new `concat' with variable args.
1392 * cccp.c: Remove things made redundant by libiberty.h and/or
1393 conform to libiberty standards.
1395 * collect2.c: Likewise.
1396 * config/1750a/1750a.h: Likewise.
1397 * cppalloc.c: Likewise.
1398 * cppexp.c: Likewise.
1399 * cppfiles.c: Likewise.
1400 * cpphash.c: Likewise.
1401 * cpplib.c: Likewise.
1402 * dyn-string.c: Likewise.
1403 * fix-header.c: Likewise.
1406 * genattr.c: Likewise.
1407 * genattrtab.c: Likewise.
1408 * gencheck.c: Likewise.
1409 * gencodes.c: Likewise.
1410 * genconfig.c: Likewise.
1411 * genemit.c: Likewise.
1412 * genextract.c: Likewise.
1413 * genflags.c: Likewise.
1414 * gengenrtl.c: Likewise.
1415 * genopinit.c: Likewise.
1416 * genoutput.c: Likewise.
1417 * genpeep.c: Likewise.
1418 * genrecog.c: Likewise.
1419 * getpwd.c: Likewise.
1420 * halfpic.c: Likewise.
1422 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1423 in NEED_DECLARATION_* macros.
1425 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1426 conform to libiberty standards.
1427 (fatal): Fix const-ification of variable `format' in
1428 !ANSI_PROTOTYPES case.
1430 * prefix.c: Remove things made redundant by libiberty.h and/or
1431 conform to libiberty standards.
1433 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1434 conflicting with function `spaces' from libiberty.
1436 * profile.c: Remove things made redundant by libiberty.h and/or
1437 conform to libiberty standards.
1438 * protoize.c: Likewise.
1441 * tlink.c: Likewise.
1442 * toplev.c: Likewise.
1443 * toplev.h: Likewise.
1446 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1448 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1450 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1452 * README.C4X: Updated URLs.
1453 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1454 (valid_parallel_operands_5): Remove unused variable.
1456 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1458 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1460 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1462 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1463 which can be configured.
1464 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1465 (Makefile): Pass actual LANGUAGES through the environment when
1467 (cstamp-h): Likewise.
1468 (config.status): Likewise.
1470 * configure.in (enable_languages): Add new configuration parameter
1471 "--enable-languages=lang1,lang2,...".
1472 (${srcdir}/*/config-lang.in): Change handling to configure only
1473 those directories, that the user might have enabled; default to
1474 "all" existing languages.
1475 * configure: Regenerate.
1477 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1479 * rtlanal.c (regs_set_between_p): New function.
1480 * rtl.h (regs_set_between_p): Prototype it.
1481 * jump.c (jump_optimize): Use it instead of modified_between_p
1482 in the Sep 2 change.
1484 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1485 Matthias Pfaller <leo@dachau.marco.de>
1487 * invoke.texi (Option Summary, NS32K Options): add description
1488 of NS32K specific options.
1490 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1491 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1492 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1493 negdf2, absdf2): Use l instead of f since the double class and
1494 float class are no longer the same.
1495 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1496 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1497 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1498 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1500 (cmpsi, cmphi, cmpqi): use general_operand instead of
1501 non_immediate_operand. Removes erroneous assumption that can't
1503 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1504 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1506 (movstrsi, movstrsi1, movstrsi2): completely new block move
1508 (...): Patterns to exploit multiply-add instructions.
1509 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1510 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1511 patterns to exploit extended divide insns.
1512 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1515 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1516 float return values as well as simple scalar floats.
1517 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1518 support new flag to denote 32381 fpu.
1519 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1520 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1522 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1523 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1524 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1525 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1526 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1527 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1528 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1529 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1530 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1531 fpu registers and special register classes for new 32381
1532 instructions dotf and polyf.
1533 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1535 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1536 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1538 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1539 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1540 (REGISTER_MOVE_COST): move code to register_move_cost function for
1541 ease of coding and debugging.
1542 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1543 LONG_FLOAT_REGO is likely spilled but not caught by default
1545 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1546 instead of hard coded numbers in range check.
1547 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1548 (...): Add prototypes for functions in ns32k.c but disable because
1549 of problems when ns32k.h is included in machine independant files.
1551 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1552 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1553 hard_regno_mode_ok, secondary_reload_class,
1554 print_operand, print_operand_address): new register scheme to
1555 include 32381 fpu registers and special register classes for new
1556 32381 instructions dotf and polyf.
1557 (gen_indexed_expr): Make static to keep namespace clean.
1558 (check_reg): remove since never called.
1559 (move_tail, expand_block_move): helper functions for "movstrsi"
1561 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1562 Increase cost of moves which go via memory.
1563 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1564 (CPP_PREDEFINES): nolonger predefine "unix".
1566 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1567 Remove erroneous %$. print_operand() can work out from the rtx is
1568 an immediate prefix is required.
1570 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1571 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1572 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1574 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1577 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1578 Correct handling of pic operands.
1579 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1580 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1581 -mrtd calling convention.
1583 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1585 * gcc.c (option_map): Recognize --output-class-directory.
1587 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1589 * loop.h (precondition_loop_p): Added new mode argument.
1590 * unroll.c (precondition_loop_p): Likewise.
1591 (approx_final_value): Function deleted and subsumed
1592 into loop_iterations.
1593 (loop_find_equiv_value): New function.
1594 (loop_iterations): Use loop_find_equiv_value to find increments
1595 too large to be immediate constants. Also use it to find terms
1596 common to initial and final iteration values that can be removed.
1598 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1600 * loop.h (struct loop_info): Define new structure.
1601 (precondition_loop_p): Added prototype.
1602 (unroll_loop): Added new argument loop_info to prototype.
1603 (final_biv_value, final_giv_value): Added new argument n_iterations
1605 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1606 and new pointer loop_info.
1607 (loop_n_iterations): Replace global variable by element in
1608 loop_info structure.
1609 (check_final_value): New argument n_iterations.
1610 (insert_bct): New argument loop_info.
1611 (loop_unroll_factor): Replace global array by element in
1612 loop_info structure.
1613 (loop_optimize): Remove code to allocate and initialise
1614 loop_unroll_factor_array.
1615 * unroll.c (precondition_loop_p): No longer static since
1616 used by branch on count optimization.
1617 (precondition_loop_p, unroll_loop): New argument loop_info.
1618 (final_biv_value, final_giv_value, find_splittable_regs): New
1619 argument n_iterations.
1620 (loop_iteration_var, loop_initial_value, loop_increment,
1621 loop_final_value, loop_comparison_code, loop_unroll_factor):
1622 Replaced global variables by loop_info structure.
1623 (loop_unroll_factor): Replace global array by element in
1624 loop_info structure.
1626 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1628 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1631 * unroll.c (precondition_loop_p): Return loop_initial_value
1632 for initial_value instead of loop_iteration_var.
1634 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1636 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1637 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1638 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1639 to output the instruction sequences.
1641 (rptb_top): Provide alternatives to use any register or memory
1643 (rptb_end): Emit use of operands rather than assigning them
1644 explicitly to the RS and RE registers.
1646 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1648 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1649 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1650 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1651 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1652 c4x_merge_notes, c4x_parallel_process,
1653 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1654 c4x_combine_parallel): Delete.
1656 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1658 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1659 with old target options clear flag_branch_on_count_reg if
1660 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1662 (c4x_output_cbranch): Handle a sequence of insns rather than a
1664 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1665 has not been allocated as the loop counter.
1666 (c4x_address_conflict): Do not allow two volatile memory references.
1667 (valid_parallel_operands_4, valid_parallel_operands_5,
1668 valid_parallel_operands_6): Reject pattern if the register destination
1669 of the first set is used as part of an address in the second set.
1671 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1673 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1674 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1675 is no longer enabled if PARALLEL_MPY_FLAG set.
1676 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1677 (REG_CLASS_CONTENTS): Add braces around initializers.
1678 (HAVE_MULTIPLE_PACK): Define.
1679 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1680 REAL_VALUE_TO_DECIMAL.
1681 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1682 REAL_VALUE_TO_DECIMAL.
1683 (ar0_reg_operand): Add prototype.
1684 (ar0_mem_operand): Likewise.
1685 (ar1_reg_operand): Likewise.
1686 (ar1_mem_operand): Likewise.
1687 (ar2_reg_operand): Likewise.
1688 (ar2_mem_operand): Likewise.
1689 (ar3_reg_operand): Likewise.
1690 (ar3_mem_operand): Likewise.
1691 (ar4_reg_operand): Likewise.
1692 (ar4_mem_operand): Likewise.
1693 (ar5_reg_operand): Likewise.
1694 (ar5_mem_operand): Likewise.
1695 (ar6_reg_operand): Likewise.
1696 (ar6_mem_operand): Likewise.
1697 (ar7_reg_operand): Likewise.
1698 (ar7_mem_operand): Likewise.
1699 (ir0_reg_operand): Likewise.
1700 (ir0_mem_operand): Likewise.
1701 (ir1_reg_operand): Likewise.
1702 (ir1_mem_operand): Likewise.
1703 (group1_reg_operand): Likewise.
1704 (group1_mem_operand): Likewise.
1705 (ir1_reg_operand): Likewise.
1706 (arx_reg_operand): Likewise.
1707 (not_rc_reg): Likewise.
1708 (not_modify_reg): Likewise.
1709 (c4x_group1_reg_operand): Remove prototype.
1710 (c4x_group1_mem_operand): Likewise.
1711 (c4x_arx_reg_operand): Likewise.
1713 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1715 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1716 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1718 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1720 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1723 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1725 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1726 unless FMOVD_WORKS is defined.
1728 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1730 * regclass.c (init_reg_sets): Move code that calculates tables
1731 dependent on reg_class_contents from here...
1732 (init_reg_sets_1): To here.
1734 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1736 * cpplib.h: Delete struct import_file. Add ihash element to
1737 struct cpp_buffer. Delete dont_repeat_files and
1738 import_hash_table elements from cpp_reader; change
1739 all_include_files to a hash table. Delete all foobar_include
1740 / last_foobar_include elements from struct cpp_options; put
1741 back four such: quote_include, bracket_include,
1742 system_include, after_include. Redo struct file_name_list
1743 completely. Add new structure type include_hash. Add
1744 prototypes for merge_include_chains and include_hash. Change
1745 prototypes for finclude, find_include_file, and
1746 append_include_chain to match changes below.
1748 * cppfiles.c (simplify_pathname, include_hash,
1749 remap_filename, merge_include_chains): New functions.
1750 (add_import, lookup_import, open_include_file): Removed.
1751 (INO_T_EQ): Define this (copied from cccp.c).
1752 (hack_vms_include_specification): Remove all calls and #if 0
1753 out the definition. It was being called incorrectly and at
1754 the wrong times. Until a VMSie can look at this, it's better
1755 to not pretend to support it.
1756 (append_include_chain): Change calling convention; now takes
1757 only one directory at a time, and sets up the data structure
1759 (redundant_include_p): Rewritten - this is now used for all
1760 include redundancy, whether by #ifndef, #import, or #pragma
1761 once. Looks up things in the include hash table.
1762 (file_cleanup): Decrement pfile->system_include_depth here if
1764 (find_include_file): Calling convention changed; now passes
1765 around a struct include_hash instead of 3 separate parameters.
1766 Guts ripped out and replaced with new include_hash mechanism.
1767 (finclude): Calling convention changed as for
1768 find_include_file. Error exits pulled out-of-line. Reformat.
1769 (safe_read): Return a long, not an int.
1770 (deps_output): Don't recurse.
1772 * cpplib.c (is_system_include): Deleted.
1773 (path_include): Fix up call to append_include_chain.
1774 (do_include): Fix up calls to find_include_file and finclude.
1775 Clean up dependency output a bit. Shorten obnoxiously lengthy
1776 #import warning message. Don't decrement
1777 pfile->system_include_depth here.
1778 (do_pragma): Understand the include_hash structure. Reformat.
1779 (do_endif): Correct handling of control macros. Understand
1781 (cpp_start_read): Fix up calls to finclude. Call
1782 merge_include_chains.
1783 (cpp_handle_option): Fix up calls to append_include_chain.
1784 Understand the four partial include chains.
1785 (cpp_finish): Add debugging code (#if 0-ed out) for the
1787 (cpp_cleanup): Free the include_hash, not the import hash and
1788 the all_include and dont_repeat lists which no longer exist.
1790 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1792 * toplev.c (no_new_pseudos): Define.
1793 (rest_of_compilation): Set no_new_pseudos as needed.
1794 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1795 if no_new_pseudos is set.
1796 * rtl.h (no_new_pseudos): Declare it.
1797 * reload1.c (reload): Update comments.
1798 * md.texi: Corresponding changes.
1800 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1802 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1803 (choose_reload_regs): Rename it here as well. When computing it,
1804 also merge in used hardregs.
1806 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1808 * gcc.c: Split out Objective-C specs to...
1809 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1812 * c-lex.c (init_parse): Always initialize the filename global.
1813 * objc/objc-act.c (lang_init): Always call check_newline at
1816 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1818 * reload1.c (reload): Remove unused variable.
1819 (reload_reg_free_for_value_p): Add missing parameter definition.
1821 * jump.c (jump_optimize): Remove unused variable.
1823 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1825 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1827 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1829 * expr.c (move_by_pieces): Similarly.
1830 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1831 * flow.c (find_auto_inc): Similarly.
1832 (try_pre_increment): Similarly.
1833 * loop.c (strength_reduce): Similarly.
1834 * regclass.c (auto_inc_dec_reg_p): Similarly.
1835 * regmove.c (try_auto_increment): Similarly.
1836 (fixup_match_1): Similarly.
1837 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1838 (HAVE_PRE_DECREMENT): Similarly.
1839 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1840 * Corresponding changes to all target header files.
1841 * tm.texi: Update docs for autoinc addressing modes.
1843 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1845 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1846 * configure: Rebuild.
1847 * config/elfos.h: New file.
1848 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1849 config/m68k/t-m68kelf: New file.
1851 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1853 * Makefile.in (HOST_AR): Define.
1854 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1855 (libcpp.a): Use the host tools explicitly.
1856 (STAGESTUFF): Add libcpp.a.
1858 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1860 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1861 to source and destination registers.
1863 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1865 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1866 The strategy we now use is to pre allocate the top_elt along
1867 with the EH context so that each thread has its own top_elt.
1868 This is necessary as the dynmanic cleanup chain is used on the
1869 top element of the stack and each thread MUST have its own.
1870 (eh_context_static): Likewise.
1871 (new_eh_context): Likewise.
1872 (__sjthrow): Likewise.
1874 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1876 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1877 * i386.md (prologue_get_pc): Remove unused variable.
1879 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1881 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1883 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1885 * Makefile.in (OBJS): Add graph.o
1886 (graph.o): New dependency list.
1887 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1888 * print-rtl.c (dump_for_graph): Define new variable.
1889 (print_rtx): Rewrite to allow use in graph dumping functions.
1890 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1891 finish_graph_dump_file.
1892 Define graph_dump_format.
1893 (compile_file): If graph dumping is enabled also clear these files.
1894 Finish graph dump files.
1895 (rest_of_compilation): Also dump graph information if enabled.
1896 (main): Recognize -dv to enabled VCG based graph dumping.
1897 * graph.c: New file. Graph dumping functions.
1899 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1901 * configure.in: Look for <sys/stat.h>.
1902 * system.h: Include it before substitute S_ISREG definitions.
1904 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1906 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1907 * config/mips/iris6.h: Same.
1908 * config/mips/mips.md: Same.
1909 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1910 * config/mips/mips.h: Same; also define ABI_O64.
1912 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1914 * configure.in: Use AC_PREREQ(2.12.1).
1916 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1918 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1919 * cpplib.c, gcc.c: Likewise.
1920 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1922 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1924 * local-alloc.c (local_alloc): Use malloc not alloca for
1925 reg_qty, reg_offset, ref_next_in_qty.
1927 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1929 * caller-save.c (insert_one_insn): Initialize the live_before and
1930 live_after register sets.
1934 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1935 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1936 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1937 (fp_reg_names, assembler_dialect): New variables.
1938 (print_operand_address): Handle SUBREGs.
1939 (print_operand): Added 'o' case.
1940 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1941 Name of FP registers depends on mode.
1942 (expand_block_move): Emit different code for SH4 hardware.
1943 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1944 (from_compare): Likewise.
1945 (add_constant): New argument last_value. Changed all callers.
1946 (find_barrier): Don't try HImode load for FPUL_REG.
1947 (machine_dependent_reorg): Likewise.
1948 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1949 (gen_far_branch): Emit a barrier after the new jump.
1950 (barrier_align): Don't trust instruction lengths before
1952 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1953 Use auto-inc addressing for fp registers if doubles need to
1954 be loaded in two steps.
1955 Set sh_flag_remove_dead_before_cse.
1956 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1957 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1958 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1959 Support for FIRST_XD_REG .. LAST_XD_REG.
1960 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1961 (sh_expand_epilogue): Likewise.
1962 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1963 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1964 (arith_reg_operand): FPUL_REG is OK for SH4.
1965 (fp_arith_reg_operand, fp_extended_operand) New functions.
1966 (tertiary_reload_operand, fpscr_operand): Likewise.
1967 (commutative_float_operator, noncommutative_float_operator): Likewise.
1968 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1969 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1970 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1971 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1972 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1973 (CONDITIONAL_REGISTER_USAGE): Likewise.
1974 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1975 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1976 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1977 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1978 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1979 to -1 and sh_flag_remove_dead_before_cse to 1.
1980 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1981 (assembler_dialect, fp_reg_names): Declare.
1982 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1983 Hide names of registers that are not accessible.
1984 (CACHE_LOG): Take TARGET_CACHE32 into account.
1985 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1986 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1987 (FIRST_PSEUDO_REGISTER: Now 49.
1988 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1989 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1990 (HARD_REGNO_MODE_OK): Update.
1991 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1992 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1993 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1994 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1995 (NPARM_REGS): Eight floating point parameter registers on SH4.
1996 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1997 in floating point registers.
1998 (GET_SH_ARG_CLASS) Likewise.
1999 Complex float types are also returned in float registers.
2000 (BASE_ARG_REG): Complex float types are also passes in float registers.
2001 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2002 (LIBCALL_VALUE): Remove trailing semicolon.
2003 (ROUND_REG): Round when double precision value is passed in floating
2005 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2006 passed on the stack.
2007 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2008 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2009 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2010 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2011 (MODE_DISP_OK_8): Not for SH4 DFmode.
2012 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2013 Allow indexed addressing for PSImode after reload.
2014 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2015 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2016 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2017 (DOUBLE_TYPE_SIZE): 64 for SH4.
2018 (RTX_COSTS): Add PLUS case.
2019 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2020 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2021 MAC_REGS, PR_REGS, DF_REGS.
2022 (REGISTER_NAMES): Use fp_reg_names.
2023 (enum processor_type): Add PROCESSOR_SH4.
2024 (sh_flag_remove_dead_before_cse): Declare.
2025 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2026 (PREDICATE_CODES): Add binary_float_operator,
2027 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2028 fpscr_operand, noncommutative_float_operator.
2029 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2030 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2031 * sh.md (attribute cpu): Add value sh4.
2032 (attrbutes fmovd, issues): Define.
2033 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2034 (function units memory, int, mpy, fp): Make dependent on issue rate.
2035 (function units issue, single_issue, load_si, load): Define.
2036 (function units load_store, fdiv, gp_fpul): Define.
2037 (attribute hit_stack): Provide proper default.
2038 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2039 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2040 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2041 (mulsi3_call): Now uses match_operand for function address.
2042 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2044 (push, pop, push_e, pop_e): Now define_expands.
2045 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2046 (movsi_ie): Added y/i alternative.
2047 (ic_invalidate_line_i, movdf_i4): New insns.
2048 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2049 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2050 (movdf): Add special code for SH4.
2051 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2052 (call_valuei, calli, call_value): Likewise.
2053 (movsf): Emit no-op move.
2054 (mov_nop, movsi_y): New insns.
2055 (blt, sge): generalize to handle DFmode.
2056 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2057 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2058 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2059 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2060 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2061 (toggle_sz): New insn.
2062 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2063 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2064 (macsf3): Make use of fpscr visible. Disable for SH4.
2065 (floatsisf2): Make use of fpscr visible.
2066 (floatsisf2_i4): New insn.
2067 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2068 (ieee_ccmpeqsf_t): Likewise.
2069 (fix_truncsfsi2): Emit different code for SH4.
2070 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2071 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2072 (negsf2, sqrtsf2, abssf2): Now expanders.
2073 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2074 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2075 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2076 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2077 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2078 (fix_truncdfsi2_i4_2+1): New splitters.
2079 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2080 (extendsfdf2, truncdfsf2): New expanders.
2081 (truncdfsf2_i4): New insn.
2082 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2083 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2084 * float-sh.h: When testing for __SH3E__, also test for
2085 __SH4_SINGLE_ONLY__ .
2086 * va-sh.h (__va_freg): Define to float.
2087 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2088 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2089 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2090 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2092 (TARGET_SH4_P): Define.
2095 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2096 init_expr_once is satisfied about the existence of load / store insns.
2098 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2099 change m constraint in source operand to mr / mf .
2101 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2103 * (__VA_REEF): Define.
2104 (__va_arg_sh1): Use it.
2106 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2108 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2110 * i386/dgux.c (struct option): Add new "description field".
2111 * m88k/m88k.c (struct option): Likewise.
2113 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2115 * version.c: Bump for snapshot.
2117 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2119 * regmove.c (regmove_profitable_p): Use return value of find_matches
2122 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2124 * version.c: Bump for snapshot.
2126 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2128 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2129 without reload having been called earlier.
2131 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2133 (v850_reorg): Similarly.
2135 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2137 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2139 * loop.c (move_movables): Start of libcall might be new loop start.
2141 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2143 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2145 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2147 * function.c (nonlocal_goto_handler_slots): Renamed from
2148 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2149 (push_function_context_to): Adjust for this change.
2150 (pop_function_context_from): Likewise.
2151 (init_function_start): Likewise.
2152 (expand_function_end): Likewise.
2153 * function.h (struct function): Likewise.
2154 * calls.c (expand_call): Likewise.
2155 * explow.c (allocate_dynamic_stack_space): Likewise.
2156 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2157 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2159 (expand_goto): When doing a nonlocal goto, find corresponding handler
2160 slot for it. Don't put the label address in the static chain register.
2161 (expand_end_bindings): Break out nonlocal goto handling code into
2162 three new functions.
2163 (expand_nl_handler_label, expand_nl_goto_receiver,
2164 expand_nl_goto_receivers): New static functions, broken out of
2165 expand_end_bindings and adapted to create one handler per nonlocal
2167 * function.c (delete_handlers): Delete insn if it references any of
2168 the nonlocal goto handler slots.
2169 * i960.md (nonlocal_goto): Comment out code that modifies
2171 * sparc.md (nonlocal_goto): Likewise.
2172 (goto_handler_and_restore_v9): Comment out.
2173 (goto_handler_and_restore_v9_sp64): Comment out.
2175 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2177 * expr.c (STACK_BYTES): Delete unused macro.
2178 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2179 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2180 (expand_call): Likewise.
2181 (emit_library_call): Likewise.
2182 (emit_library_call_value): Likewise.
2183 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2184 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2185 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2186 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2187 (allocate_dynamic_stack_space): Likewise.
2188 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2189 (STACK_BOUNDARY): Update description to reflect the new situation.
2191 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2193 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2194 return with a filled delay slot is followed by a return with an
2195 unfilled delay slot, delete the first return and reemit the insn
2196 that was previously in its delay slot.
2198 * i860.c (single_insn_src_p): Add missing parens.
2199 * ginclude/math-3300.h: Likewise.
2201 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2203 * regclass.c (init_reg_sets_1): Add prototype.
2204 (init_reg_modes): Likewise.
2206 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2208 * c-common.c: Change warning messages to say `comparison is
2209 always true' or `comparison is always false' instead of the
2210 confusing `is always 0', `is always 1'.
2212 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2214 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2215 break instead of return (which loses closing '>').
2217 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2219 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2220 standard 387 constants.
2222 * i386.md (jump): Explicitly set "memory" attribute.
2223 (indirect_jump, prologue_set_stack_ptr): Likewise.
2224 (prologue_get_pc_and_set_got, pop): Likewise.
2225 (allocate_stack_worder, blockage, return_internal): Likewise.
2226 (return_pop_internal, nop): Likewise.
2227 (epilogue_set_stack_ptr, leave): Likewise.
2229 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2231 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2233 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2235 * reload1.c (reload_reg_free_for_value_p):
2236 Early auto_inc reloads don't conflict with outputs.
2238 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2240 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2241 Instead call AC_HEADER_SYS_WAIT.
2243 * collect2.c: Don't provide defaults for sys/wait.h macros.
2245 * protoize.c: Likewise. Also, don't include sys/wait.h.
2247 * system.h: Include sys/wait.h and provide macro defaults.
2249 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2251 * Makefile.in (mandir): Set to @mandir@.
2252 (man1dir): New variable to hold the former value of $(mandir).
2253 Replace all uses of $(mandir) by $(man1dir).
2255 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2257 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2258 a new one before passing it to force_const_mem.
2260 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2261 find_reloads_address call.
2263 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2265 * expr.c (store_expr): Don't generate load-store pair
2266 if TEMP is identical (according to ==) with TARGET.
2268 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2270 * reload1.c (reload_reg_free_for_value_p): When considered reload
2271 has an output, matching inputs are not sufficient to avoid conflict.
2273 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2275 * hash.h (hash_table_key): New type.
2276 (hash_entry): Change `string' field to generic `key'.
2277 (hash_table): Add `comp' and `hash' functions.
2278 (hash_table_init): Take them as input.
2279 (hash_table_init_n): Likewise.
2280 (hash_lookup): Modify for generic keys.
2281 (hash_newfunc): Likewise.
2282 (hash_traverse): Likewise.
2283 (string_hash): New function.
2284 (string_compare): Likewise.
2285 (string_copy): Likewise.
2286 * hash.c (hash_table_init_n): Modify for generic keys.
2287 (hash_table_init): Likewise.
2288 (hash_lookup): Likewise.
2289 (hash_newfunc): Likewise.
2290 (hash_traverse): Likewise.
2291 (string_hash): Split out from hash_lookup.
2292 (string_compare): New function.
2293 (string_copy): Split out from hash_lookup.
2294 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2296 (symbol_hash_lookup): Likewise.
2297 (file_hash_newfunc): Likewise.
2298 (file_hash_lookup): Likewise.
2299 (demangled_hash_newfunc): Likewise.
2300 (demangled_hash_lookup): Likewise.
2301 (tlink_int): Likewise.
2302 (read_repo_file): Likewise.
2303 (recompile_files): Likewise.
2304 (demangle_new_symbols): Likewise.
2305 (scan_linker_output): Likewise.
2307 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2309 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2311 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2313 * rs6000.c (output_mi_thunk): Improve test for local branch.
2315 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2317 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2319 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2321 * reload1.c (reload_reg_free_before_p): Delete.
2322 Changed all callers to use reload_reg_free_for_value_p instead.
2323 (reload_reg_free_for_value_p): Handle more reload types.
2324 A RELOAD_FOR_INPUT doesn't conflict with its
2325 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2326 Add special case for OUT == const0_rtx.
2327 Added ignore_address_reloads argument. Changed all callers.
2329 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2331 * toplev.c (compile_file): Don't pedwarn about undefined static
2332 functions just because we passed -Wunused.
2334 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2336 * function.c (purge_addressof_1): Unshare rtl created by
2339 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2341 * regmove.c (regmove_optimize): Don't do anything but
2342 optimize_reg_copy[123] when flag_regmove is not set.
2344 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2346 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2347 value in paradoxical SImode result, rather than truncating midpoint.
2349 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2351 * alpha.c (reg_not_elim_operand): New.
2352 * alpha.h (PREDICATE_CODES): Add it.
2353 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2354 for the multiplicand.
2356 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2358 * rs6000.md (movsf): Remove explicit secondary-reload-like
2359 functionality. Only truncate SFmode store if in FPR.
2360 (movsf splitters): Combine const_double splitters.
2361 (movsf_hardfloat): Add GPR support.
2363 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2365 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2366 deprecate -mlive-g0 and -mbroken-saverestore.
2367 * t-splet (MULTILIB_OPTIONS): Likewise.
2369 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2370 in a leaf function. Clarify total_size/extra_size relationship.
2372 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2374 * i386/cygwin32.asm: Delete.
2375 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2376 * i386/cygwin32.h: Delete.
2377 * i386/cygwin.h: New file, renamed from cygwin32.h.
2378 * i386/t-cygwin32: Delete.
2379 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2380 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2381 * i386/x-cygwin32: Delete.
2382 * i386/x-cygwin: New file, renamed from x-cygwin32.
2383 * i386/xm-cygwin32: Delete.
2384 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2385 renamed cygwin_ funcs for path translations.
2386 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2387 * i386/winnt.c: Remove "32" from comment about cygwin.
2388 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2389 * rs6000/cygwin32.h: Delete.
2390 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2391 -D__CYGWIN__ to CPP_PREDEFINES.
2392 * rs6000/x-cygwin32: Delete.
2393 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2394 * rs6000/xm-cygwin32: Delete.
2395 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2397 * configure.in: Check for cygwin* instead of cygwin32. Account
2398 for the rename of cygwin-related config files to lose the "32"s.
2399 * configure: Regenerate.
2401 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2402 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2404 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2406 * Makefile.in (JAVAGC): New macro.
2407 * configure: Rebuilt.
2408 * configure.in: Recognize --enable-java-gc argument. Subst
2411 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2413 Handle equivalences that have been obscured by gcse:
2415 * reload1.c (reload): Handle equivalences set up in multiple places.
2416 * local-alloc.c (reg_equiv_init_insns): New variable.
2417 (no_equiv): New function.
2418 (update_equiv_regs): Handle equivalences set up in multiple places.
2419 Don't ignore an insn just because its destination is likely to be
2422 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2424 * except.c (expand_eh_return): Readd force_operand call lost in
2427 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2429 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2431 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2433 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2435 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2437 * regmove.c (regmove_optimize): Fix error in last change.
2439 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2441 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2442 offset in the .mask pseudo to compensate for frame pointer adjustments.
2443 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2444 word swap arguments moved to/from FP registers.
2445 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2447 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2449 * version.c: Bump for snapshot.
2451 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2453 * version.c: Bump for snapshot.
2455 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2457 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2458 times, then it can not be completely replaced.
2460 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2462 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2464 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2466 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2467 (to distinguish it from the macro wrapping ansidecl.h.)
2468 Include libiberty's ansidecl.h. Remove all redundant definitions.
2469 Define the PROTO() style macros in terms of the PARAMS() ones.
2472 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2473 __STDC__, when deciding whether to use ANSI variable args.
2474 (emit_library_call_value): Likewise.
2476 * cccp.c (error): Likewise.
2477 (warning): Likewise.
2478 (error_with_line): Likewise.
2479 (warning_with_line): Likewise.
2480 (pedwarn): Likewise.
2481 (pedwarn_with_line): Likewise.
2482 (pedwarn_with_file_and_line): Likewise.
2485 * cexp.y (error): Likewise.
2486 (pedwarn): Likewise.
2487 (warning): Likewise.
2489 * collect2.c (fatal_perror): Likewise.
2493 * combine.c (gen_rtx_combine): Likewise.
2495 * cpperror.c (cpp_message): Likewise.
2496 (cpp_fatal): Likewise.
2498 * cpplib.c (cpp_error): Likewise.
2499 (cpp_warning): Likewise.
2500 (cpp_pedwarn): Likewise.
2501 (cpp_error_with_line): Likewise.
2502 (cpp_warning_with_line): Likewise.
2503 (cpp_pedwarn_with_line): Likewise.
2504 (cpp_pedwarn_with_file_and_line): Likewise.
2506 * cpplib.h: Don't define PARAMS() macro.
2508 * demangle.h: Likewise.
2510 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2511 when deciding whether to use ANSI variable args.
2513 * emit-rtl.c (gen_rtx): Likewise.
2514 (gen_rtvec): Likewise.
2516 * final.c (asm_fprintf): Likewise.
2518 * fix-header.c (cpp_message): Likewise.
2520 (cpp_fatal): Likewise.
2522 * gcc.c (concat): Likewise.
2526 * genattr.c (fatal): Likewise.
2528 * genattrtab.c (attr_rtx): Likewise.
2529 (attr_printf): Likewise.
2532 * gencodes.c (fatal): Likewise.
2534 * genconfig.c (fatal): Likewise.
2536 * genemit.c (fatal): Likewise.
2538 * genextract.c (fatal): Likewise.
2540 * genflags.c (fatal): Likewise.
2542 * genopinit.c (fatal): Likewise.
2544 * genoutput.c (fatal): Likewise.
2547 * genpeep.c (fatal): Likewise.
2549 * genrecog.c (fatal): Likewise.
2551 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2552 deciding whether to declare `tree_node' and `rtx_def'.
2554 * hash.h: Don't define stuff we get from gansidecl.h.
2556 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2557 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2558 whether to use ANSI variable args.
2561 * prefix.c (concat): Likewise.
2565 * system.h: Likewise.
2567 * toplev.c (error_with_file_and_line): Likewise.
2568 (error_with_decl): Likewise.
2569 (error_for_asm): Likewise.
2572 (warning_with_file_and_line): Likewise.
2573 (warning_with_decl): Likewise.
2574 (warning_for_asm): Likewise.
2575 (warning): Likewise.
2576 (pedwarn): Likewise.
2577 (pedwarn_with_decl): Likewise.
2578 (pedwarn_with_file_and_line): Likewise.
2580 (really_sorry): Likewise.
2582 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2583 whether to declare `tree_node' and `rtx_def'.
2585 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2586 deciding whether to use ANSI variable args.
2587 (build_nt): Likewise.
2588 (build_parse_node): Likewise.
2590 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2592 * version.c: Bump for snapshot.
2594 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2596 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2598 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2600 * collect2.c (main, case 'b'): Use else if.
2602 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2604 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2605 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2606 before the config/ directory headers.
2607 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2608 gansidecl.h in the list of dependencies.
2610 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2611 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2612 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2613 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2614 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2615 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2618 * cccp.c: Don't include gansidecl.h.
2620 * collect2.c: Likewise.
2621 * config/c4x/c4x.c: Likewise.
2622 * config/v850/v850.h: Likewise.
2623 * cppalloc.c: Likewise.
2624 * cpperror.c: Likewise.
2625 * cppexp.c: Likewise.
2626 * cppfiles.c: Likewise.
2627 * cpphash.c: Likewise.
2628 * cpplib.c: Likewise.
2629 * cppmain.c: Likewise.
2630 * cppulp.c: Likewise.
2631 * demangle.h: Likewise.
2632 * doprint.c: Likewise.
2633 * dyn-string.c: Likewise.
2634 * eh-common.h: Likewise.
2635 * fix-header.c: Likewise.
2636 * frame.c: Likewise.
2639 * gen-protos.c: Likewise.
2640 * gencheck.c: Likewise.
2641 * halfpic.h: Likewise.
2643 * machmode.h: Likewise.
2644 * mbchar.c: Likewise.
2645 * prefix.c: Likewise.
2646 * protoize.c: Likewise.
2647 * recog.h: Likewise.
2649 * scan-decls.c: Likewise.
2651 * varray.h: Likewise.
2653 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2655 * i386.md (call_value_pop): If we're not popping anything,
2656 defer to call_value.
2657 (call_pop): Likewise defer to call.
2659 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2661 * function.c (purge_addressof): Clear purge_addressof_replacements
2662 only after processing the whole function.
2664 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2666 * reload1.c (reload): If we can not perform a particular elimination
2667 when we thought we could earlier, then we must always iterate through
2668 the loop at least one more time.
2670 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2672 * alpha.c (add_operand): Simplify the CONST_INT match.
2673 (sext_add_operand): Correct typo in comparison by using
2674 CONST_OK_FOR_LETTER_P.
2675 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2676 constant alternatives to be generated.
2677 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2678 small constants, since the hw instructions do.
2680 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2682 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2683 previous insn to store directly into our reload register, make sure
2684 that if the source of the previous insn is a reload register, its
2685 spill_reg_store and spill_reg_stored_to values are cleared.
2687 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2689 * rs6000.md (floatunssidf2_internal splitter): Use base register
2690 operand, not hard-coded SP.
2692 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2694 * jump.c (calculate_can_reach_end): Fix thinko.
2696 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2698 * reorg.c (fill_simple_delay_slots): Fix typo.
2700 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2702 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2704 * i386.md (extendsidi2): Use # in the output template.
2705 (extendsidi splitters): New splitters.
2707 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2709 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2711 * configure: Regenerate.
2713 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2715 * jump.c (init_label_info, delete_barrier_successors,
2716 mark_all_labels, delete_unreferenced_labels,
2717 delete_noop_moves, calculate_can_reach_end): New functions broken
2718 out of jump_optimize.
2719 (jump_optimize): Use them.
2721 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2723 * except.c (expand_fixup_region_end): Make sure outer context labels
2724 are not issued in an inner context during cleanups.
2726 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2728 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2731 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2733 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2734 to expose this midpoint to CSE.
2736 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2738 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2740 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2742 * configure.in: Bring over gcc2 change of Nov 19 1997.
2744 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2746 * toplev.c (output_lang_identify): Make definition dependent on
2747 ASM_IDENTIFY_LANGUAGE.
2749 * print-rtl.c (spaces): Make static.
2751 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2753 * extend.texi: Clarify proper uses for register clobbers in asms.
2755 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2757 * recog.h (enum op_type): Define.
2758 (constrain_operands): Adjust prototype.
2759 (recog_op_type): Declare new variable.
2760 * recog.c (recog_op_type): New variable.
2761 (insn_invalid_p): Allow modifying an asm statement after reload.
2762 (extract_insn): Set up recog_op_type.
2763 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2764 Don't compute operand types, use recog_op_type.
2765 Use the information computed by extract_insn instead of the previous
2766 method of finding it by insn code number.
2767 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2768 * reorg.c (fill_slots_from_thread): Likewise.
2769 * reload1.c (reload_as_needed): Likewise.
2770 (gen_reload): Likewise.
2771 (inc_for_reload): Likewise.
2772 (reload_cse_simplify_operands): Likewise.
2773 Use the information computed by extract_insn instead of the previous
2774 method of finding it by insn code number.
2775 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2777 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2778 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2779 Use the information computed by extract_insn instead of the previous
2780 method of finding it by insn code number.
2781 * regmove.c (find_matches): Likewise. Change meaning of the return
2782 value to be nonzero if the optimization can be performed, zero if
2783 not. All callers changed.
2784 Shorten some variable names to fix formatting problems.
2785 (regmove_optimize): Shorten some variable names to fix formatting
2787 Use the information computed by extract_insn instead of the previous
2788 method of finding it by insn code number.
2789 * regclass.c (scan_one_insn): Likewise.
2790 (record_reg_classes): Don't compute operand types, use recog_op_type.
2791 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2792 recog_constraints instead.
2794 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2796 * rtl.h (flow2_completed): Declare.
2797 * flow.c (flow2_completed): Definition.
2798 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2801 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2803 * Makefile.in (libcpp.a): Ranlib libcpp.a
2805 * cppulp.c (user_label_prefix): Initialize.
2807 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2809 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2810 at a RETURN if current_function_sp_is_unchanging is set.
2812 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2814 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2816 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2818 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2819 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2820 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2821 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2822 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2823 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2825 (LIB_SPEC): Handle -mno-cyginw option.
2826 (LINK_SPEC): Handle -mdll.
2828 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2830 * reload.c (find_reloads): Fix test for usage by other reload
2831 to handle secondary reloads properly.
2833 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2835 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2836 intermediate structure which has exactly the members provided by
2837 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2838 static intermediate structure.
2840 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2841 from the intermediate structure. Do the same analogous fix in
2842 the case where ELIMINABLE_REGS is not defined.
2844 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2846 * pa.h (SELECT_SECTION): Fix thinko.
2848 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2850 * dwarf2out.c (output_call_frame_info): Comments on last change.
2852 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2854 * arm.c (add_constant): When taking the address of an item in the
2855 pool, get the mode of the item addressed.
2857 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2858 contain a SET or a PARALLEL, don't consider it for conditional
2861 Restore ABI compatibility for NetBSD.
2862 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2864 (RETURN_IN_MEMORY): Likewise.
2866 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2868 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2869 (m32r_output_block_move): Rewrite bytes < 4 handling.
2871 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2873 * configure.in: Call AC_FUNC_VFORK.
2875 * collect2.c: Define VFORK_STRING as a printable string for
2876 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2877 defined, include vfork.h. If VMS is defined, define vfork()
2878 appropriately. Remove vfork check on USG, we're using autoconf.
2879 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2880 checking locally what string to pass.
2881 (scan_prog_file): Likewise.
2882 (scan_libraries): Likewise.
2884 * gcc.c: Remove vfork check on USG, we're using autoconf.
2885 Besides, no calls to vfork/fork occur in this file.
2887 * protoize.c: Likewise.
2889 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2891 * configure.in (DEFAULT_LINKER): renamed from LD
2892 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2893 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2894 * configure: rebuilt
2896 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2898 * BUGS: fix the regexp for `more' to find the appropriate node.
2899 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2901 * BUGS: added link to the WWW FAQ
2903 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2905 * version.c: Bump for snapshot.
2907 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2909 * From Christian Gafton:
2910 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2911 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2912 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2914 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2916 * c-common.c (c_get_alias_set): Allow all type-punning through
2917 unions. Don't get confused about the type of a bit-field, despite
2918 the antics of build_modify_expr.
2920 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2922 * fixinc.sco: Paramaterize #include_next values.
2923 * fixinc/fixinc.sco: Likewise.
2925 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2927 * toplev.c (rest_of_compilation): No longer set reload_completed.
2928 * reload1.c (reload): Set it here. Perform instruction splitting
2929 after reload has completed if we will be running the scheduler
2932 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2934 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2935 EH region if exceptions are enabled and we're performing cross
2937 (find_cross_jump): Exit loop if the insns are in different EH regions.
2939 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2941 * dwarf2out.c (output_call_frame_info): Use
2942 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2944 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2946 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2947 * c-common.c (check_format_info): Don't check for the 'x'
2948 format character twice, instead check for 'x' and 'X'
2950 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2952 * configure.in (assembler features): Also make gas is configured if
2953 we find it in the souce tree.
2955 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2957 * i386.c (i386_comp_type_attributes): Compare whether the
2958 attributes are defined, not their tree nodes.
2960 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2962 * configure.in (gxx_include_dir): bitten by autoconf quoting
2964 * configure: rebuilt
2966 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2968 * configure.in: Ignore non-absolute value in $AS.
2970 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2972 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2974 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2976 * configure.in (msdosdjgpp): Set exeext and target_alias.
2978 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2980 * flow.c (XNMALLOC): New macro.
2981 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2983 (add_edge, add_edge_to_label): New static functions.
2984 (free_bb_memory): New function.
2985 (flow_delete_insn): Delete function.
2986 (basic_block_drops_in): Delete variable.
2987 (find_basic_blocks): Allocate and initialize basic_block_head,
2988 basic_block_succ. Don't allocate basic_block_drops_in.
2989 Call free_bb_memory at the beginning.
2990 (find_basic_blocks_1): Don't do multiple passes.
2991 Delete code to compute basic_block_drops_in.
2992 After calling make_edges, mark blocks reached by current block live.
2993 Update test for unreachable live blocks.
2994 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2996 Simplify to call add_edge_to_label when a LABEL_REF is found.
2997 (make_edges): Simplify to call add_edge_to_label instead of
2998 mark_label_ref most of the time.
2999 Compute here whether control drops into the next block.
3000 (delete_unreachable_blocks): Return void. All callers changed.
3001 Delete unreachable blocks in reverse order.
3002 After deleting all unreachable blocks, renumber the remaining ones
3003 and update n_basic_blocks.
3004 (delete_block): Speed up deletion a bit.
3005 Don't set basic_block_drops_in for deleted blocks.
3006 (free_basic_block_vars): Don't free basic_block_drops_in.
3007 (life_analysis_1): Update to use new edge representation.
3008 (dump_flow_info): Delete code to print basic block info; call
3009 dump_bb_data instead.
3010 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3011 and uid_block_number.
3012 Simply copy the previously computed cfg.
3013 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3014 Print register lifetime information if LIVE_INFO is nonzero.
3015 * basic-block.h (dump_bb_data): Adjust prototype.
3016 * gcse.c (gcse_main): Update call to dump_bb_data.
3017 * rtl.h (free_bb_memory): Declare.
3018 * toplev.c (rest_of_compilation): Call free_bb_memory.
3020 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3021 (update_eliminable_offsets): Don't compute it.
3022 (set_initial_elim_offsets): Don't initialize it.
3023 Break out some code into set_initial_label_offsets so the rest of
3024 this function can be called from reload_as_needed.
3025 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3026 ELIMINABLE_REGS isn't.
3027 (set_initial_label_offsets): New function, broken out of
3028 set_initial_elim_offsets.
3029 (set_offsets_for_label): New function, broken out of set_label_offsets
3030 and reload_as_needed.
3031 (reload): Call the two new functions.
3032 (reload_as_needed): Call set_initial_elim_offsets instead of
3033 duplicating the code. Likewise for set_offsets_for_label.
3035 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3036 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3037 any hard reg, reg_reloaded_dead contains valid data.
3039 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3041 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3042 "stdcall" and "cdecl" attributes.
3044 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3046 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3047 handle deleted no-op moves of hard registers.
3048 * haifa-sched.c (update_flow_info): Likewise.
3050 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3052 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3053 of the sequences to reload the HILO register which do not actually
3056 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3058 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3060 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3062 * except.c (emit_eh_context): Make the EH context register stay alive
3063 at -O0 so stupid.c doesn't get confused.
3065 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3067 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3069 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3070 Jeffrey A Law (law@cygnus.com)
3072 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3073 (zero_extendsidi2): Use # in output template and handle completely by
3075 (zero_extend splitters): New define_splits.
3076 (ashiftrt_32): New pattern.
3078 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3080 * tree.c (append_random_chars): New fn.
3081 (get_file_function_name_long): Use it.
3083 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3085 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3086 (LIBCPP_OBJS): New. Add cppulp.o.
3087 (cppmain, fix-header): Depend on and use libcpp.a.
3088 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3089 of the individual object files.
3090 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3093 * cccp.c (user_label_prefix): New.
3094 (main): Set it off -f*leading-underscore.
3095 (special_symbol): Use it.
3096 * cpplib.c (special_symbol): Likewise.
3097 (cpp_handle_option): Handle -f*leading-underscore.
3098 * cppulp.c: New file.
3100 * output.h (user_label_prefix): Declare it.
3101 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3102 * toplev.c (f_options, main): Handle -f*leading-underscore.
3104 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3105 referencing USER_LABEL_PREFIX directly.
3106 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3107 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3108 * final.c (asm_fprintf): Use user_label_prefix instead.
3109 * arm/thumb.c (thumb_print_operand): Likewise.
3111 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3112 cpp wherever appropriate.
3114 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3116 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3117 specific compiler switches.
3119 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3121 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3124 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3126 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3127 structure which has exactly the members provided by EXTRA_SPECS.
3128 Xmalloc() the real `extra_specs', and initialize it from this
3129 intermediate structure.
3131 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3133 * mips.h (EXTRA_SPECS): Likewise.
3135 * sparc.h (EXTRA_SPECS): Likewise.
3137 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3139 * function.c (purge_addressof_1): Instead of aborting when a
3140 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3141 work just put the ADDRESSOF on stack. Otherwise remember all such
3142 successfull replacements, so that exactly the same replacements
3143 can be made on the REG_NOTEs. Remove the special case for CALL
3145 (purge_addressof_replacements): New variable.
3146 (purge_addressof): Clear it at end.
3148 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3150 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3151 (lang_init): Call check_newline always.
3152 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3153 cpp_start_read, set yy_cur and yy_lim to read from
3154 parse_in.token_buffer, so that we'll see the first #line
3156 * cpplib.c (cpp_start_read): finclude the main input file
3157 before processing -include/-imacros. Process -imacros and
3158 -include separately, and handle -include by stacking a
3159 buffer for the file in question as if it'd been #included.
3160 * toplev.c (documented_lang_options) Recognize -H when
3163 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3165 * cpplib.c: Merge do_once into do_pragma. Break file handling
3166 code out of do_include.
3167 Move append_include_chain, deps_output,
3168 file_cleanup, redundant_include_p, import_hash,
3169 lookup_import, add_import, read_filename_string, read_name_map,
3170 open_include_file, finclude, safe_read to cppfiles.c.
3171 Move prototypes for deps_output, append_include_chain,
3172 finclude to cpplib.h. Move definition of struct
3173 file_name_list there also.
3175 * cppfiles.c: New file. Contains all the above functions
3176 broken out of cpplib.c; also hack_vms_include_specification
3177 from cccp.c and find_include_file, a new function broken out of
3180 * Makefile.in (cppmain): Depend on cppfiles.o.
3181 (fix-header): Likewise.
3182 (cppfiles.o): New target.
3183 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3184 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3186 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3188 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3189 if pending_types is non-zero.
3190 (dwarfout_finish): Verify pending_types is zero before finishing.
3192 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3194 * expr.c (convert_move): Use shifts to perform the move if a
3195 suitable extend pattern cannot be found. Code written by
3196 Richard Henderson <rth@cygnus.com>.
3198 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3200 * regclass.c (renumber, regno_allocated): New static variables, moved
3201 out of allocate_reg_info.
3202 (allocate_reg_info): Move these two variables outside the function.
3203 Move code to free memory into new function free_reg_info.
3204 (free_reg_info): New function, broken out of allocate_reg_info.
3205 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3206 * rtl.h (allocate_reg_info): Don't declare.
3207 (free_reg_info): Declare.
3209 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3211 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3213 * toplev.c (compile_file): Temporarily revert last change.
3215 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3217 * c-typeck.c (convert_for_assignment): Parenthesize.
3219 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3221 * reload1.c (delete_output_reload): Avoid ambigous else.
3223 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3225 * toplev.c (compile_file): Call allocate_reg_info to free register
3227 * rtl.h (allocate_reg_info): Declare.
3229 * PROJECTS: Remove entry for local spilling.
3231 * final.c (cleanup_subreg_operands): New function.
3232 (final_scan_insn): Use it.
3233 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3235 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3236 operands when reload has finished.
3237 * reload.h (cleanup_subreg_operands): Declare..
3238 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3239 reload. Handled in reload itself.
3241 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3243 * reload1.c (verify_initial_offsets): New function.
3244 (reload): Call it after reload_as_needed. Also verify that the frame
3245 size stays constant during reload_as_needed.
3246 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3248 * reload.h (struct insn_chain): Add need_operand_change element.
3249 * reload1.c (new_insn_chain): Clear it.
3250 (calculate_needs_all_insns): Set it; don't overload need_reload.
3251 (reload_as_needed): Use it.
3253 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3254 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3255 and reload_address_index_reg_class.
3256 (find_reloads_address_1): Likewise.
3257 * reload.h (reload_address_base_reg_class,
3258 reload_address_index_reg_class): Don't declare.
3259 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3260 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3261 (used_spill_regs): Now static.
3262 (reload_address_base_reg_class, reload_address_index_reg_class,
3263 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3264 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3265 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3268 (init_reload): Delete code to compute base/index reg classes.
3269 (reload): Delete variable J.
3270 Delete code to manage basic_block_needs.
3271 Don't compute regs_explicitly_used.
3272 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3273 pseudo_previous_regs.
3274 Initialize bad_spill_regs_global.
3275 Don't call order_regs_for_reload here.
3276 Don't initialize spill_reg_order and n_spills.
3277 Don't forbid explicitly used regs to be used for spill regs.
3278 Change main loop to infinite loop, with explicit break statements.
3279 Make SOMETHING_CHANGED variable local to that loop.
3280 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3281 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3282 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3284 Don't call dump_needs.
3285 Delete code to reset potential_reload_regs.
3286 Delete code to terminate loop conditional on the global needs variables
3287 showing no further needs.
3288 (calculate_needs_all_insns): Return void. All callers changed.
3289 Initialize somehing_needs_elimination here, not in reload.
3290 Delete avoid_return_reg kludge.
3291 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3292 All callers changed.
3293 Initialize the group_mode and group_size elements of the arg CHAIN.
3294 Delete code to manage basic_block_needs.
3295 Operate on elements of CHAIN instead of global variables.
3296 Delete avoid_return_reg kludge.
3297 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3298 All callers changed.
3299 Operate on elements of CHAIN instead of global variables.
3300 Delete special SMALL_REGISTER_CLASSES code.
3301 Delete spill_failure code; now in new_spill_reg.
3302 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3303 All callers changed.
3304 Operate on elements of CHAIN instead of global variables.
3305 (maybe_mark_pseudo_spilled): New static function.
3306 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3307 All callers changed.
3308 Operate on elements of CHAIN instead of global variables.
3309 Call order_regs_for_reload here, not in reload.
3310 Initialize spill_reg_order and n_spills.
3311 Simplify test whether an asm insn is involved.
3312 Delete spill_failure code; now in new_spill_reg.
3313 Call maybe_mark_pseudo_spilled for everything marked as live in
3314 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3316 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3317 compiler from optimizing this function (now unused) away.
3318 Operate on elements of CHAIN instead of global variables.
3319 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3321 Operate on elements of CHAIN instead of global variables.
3322 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3323 take CHAIN arg. All callers changed.
3324 Operate on elements of CHAIN instead of global variables.
3325 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3326 CHAIN, NONGROUP args. Return void. All callers changed.
3327 Verify caller isn't trying to spill a pseudo.
3328 Simplify test for illegal reg, just use bad_spill_regs.
3329 Generate better error messages.
3330 Operate on elements of CHAIN instead of global variables.
3331 Mark spilled register in CHAIN's used_spill_regs element.
3332 Don't call spill_hard_reg.
3333 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3334 Mark spilled hard regs in bad_spill_regs_global.
3335 Mark affected pseudos in spilled_pseudos, but don't spill them.
3336 (ior_hard_reg_set): New static function.
3337 (finish_spills): Return int. All callers changed.
3338 Compute spill_reg_order, n_spills and spill_regs here. Also update
3339 regs_ever_live for regs used as spills.
3340 For every pseudo in spilled_pseudos, spill it and mark the previous
3341 hard reg it had in pseudo_previous_regs. Compute which hard regs
3342 arseudo): New static function.
3343 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3344 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3345 hard registers explicitly used across the current insn into the set.
3346 Compute hard_reg_n_uses taking only pseudos live across this insn
3348 Tweak sorting of potential_reload_regs.
3349 (compare_spill_regs): Delete function.
3350 (reload_as_needed): Don't sort the spill_regs array, it's computed
3351 in proper order in finish_spills.
3352 Delete avoid_return_reg kludge.
3353 Delete code to manage basic_block_needs.
3354 (allocate_reload_reg): Minor speed/readability tweaks.
3355 Operate on elements of CHAIN instead of global variables.
3356 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3357 Delete avoid_return_reg kludge.
3358 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3359 Delete unused label FAIL.
3360 (reload_combine): Replce reload_address_index_reg_class with
3362 Don't use used_spill_regs to determine information about lifetime of
3365 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3367 * toplev.c (display_help): Ignore empty target specific
3368 options, and if -W is also specified on the command line then
3369 display undocumented options.
3371 * config/arm/arm.c: Updated with changes in devo sources.
3372 * config/arm/arm.h: Updated with changes in devo sources.
3373 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3374 * config/arm/lib1thumb.asm: Add ELF support.
3376 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3378 * collect2.c (aix64_flag): New variable.
3379 (main, case 'b'): Parse it.
3380 (GCC_CHECK_HDR): object magic number must match mode.
3381 (scan_prog_file): Only check for shared object if valid header.
3382 Print debugging if header/mode mismatch.
3384 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3386 Added support for arm-elf-linux configuration, submitted by Philip
3387 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3388 code developed by Catherine Moore <clm@cygnus.com>. The following
3391 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3394 * configure: Regenerated.
3396 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3397 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3398 definitions conditional on their not having been already defined.
3400 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3401 and .type directives, and add "(PLT)" qualification to function
3404 * config/arm/linux.h: Deleted. This file is now superceeded by
3405 either linux-elf.h or linux-aout.h.
3407 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3408 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3410 Move definitions from old linux.h file here.
3412 * config/arm/elf.h: New file. Generic ARM/ELF support.
3414 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3416 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3418 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3419 using the 26bit APCS.
3421 * config/arm/unknown-elf.h: New file. Support for OS'es other
3422 than Linux with ELF.
3424 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3427 * config/arm/coff.h: Include aout.h for basic assembler macros.
3428 Add support for -mstructure_size_boundary=<n> command line option.
3430 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3431 command line option. Make macro definitions conditional on their
3432 not having been already defined.
3434 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3435 command line option.
3438 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3440 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3441 has been changed to not include a newline. Use this macro instead.
3442 (output_enumeral_list, const_value_attribute, name_attribute,
3443 comp_dir_attribute, prototyped_attribute, producer_attribute,
3444 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3445 dwarfout_file_scope_decl, generate_new_sfname_entry,
3446 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3447 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3449 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3451 * combine.c (subst): Process the inputs to a parallel asm_operands
3454 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3456 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3458 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3460 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3462 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3464 * version.c: Bump for snapshot.
3466 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3468 * stmt.c (expand_fixup): Set fixup->before_jump to a
3469 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3471 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3473 * Makefile.in (recog.o): Depend on toplev.h.
3474 (insn-emit.o): Depend on recog.h.
3475 (insn-peep.o): Depend on recog.h and insn-config.h.
3477 * combine.c (simplify_set): Remove unused variable `scratches'.
3479 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3480 and `idx' in macro conditional controlling their use.
3482 * genemit.c (main): Make the generated output file include
3483 recog.h. Don't have it declare `insn_operand_constraint', since
3484 we get it from recog.h.
3486 * genpeep.c (main): Make the generated output file include
3487 insn-config.h and recog.h.
3489 * recog.c: Include toplev.h.
3490 (extract_insn): Remove unused variable `p'.
3492 * regclass.c (fix_register): Add missing braces around initializer
3494 (allocate_reg_info): Move variable `i' into the scope where it is
3495 used. Change its type to `size_t'.
3497 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3499 * reload.c (push_reload): When merging reloads, make sure
3500 that reload_in_reg and reload_in are from the same reload in
3503 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3505 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3506 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3508 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3510 * loop.c (loop_has_tablejump): New variable.
3511 (prescan_loop): Scan for it.
3512 (insert_bct): Replace explicit scan with use of it.
3513 * regclass.c (regclass): Restore loop variable j.
3514 (record_reg_classes): Deterine op_types modifiers and initialize
3515 classes[i] before matching constraints. Handle matching
3518 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3520 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3523 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3525 * mips.h (EXTRA_SPECS): Add missing initializers.
3527 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3529 * sparc.h (EXTRA_SPECS): Add missing initializers.
3530 (sparc_defer_case_vector): Provide a prototype.
3532 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3533 comparing it to the result of a pointer subtraction.
3535 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3537 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3538 the argument to (unsigned char).
3540 * alpha.h (EXTRA_SPECS): Add missing initializers.
3541 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3544 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3546 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3547 (propagate_block): Delete dead code after reload.
3549 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3550 back Oct 15, 1998 change.
3551 * haifa-sched.c (update_flow_info): Likewise.
3552 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3554 * mn10200.md (truncated shift): Accept constant inputs too.
3556 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3558 * machmode.h (mode_mask_array): No longer const.
3559 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3561 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3563 * frame.c: Somewhat explain `FDE'.
3564 Suggested by Brendan Kehoe
3566 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3568 * expr.c (pending_chain): Move up.
3569 (save_expr_status): Do save pending_chain.
3570 (restore_expr_status): And restore it.
3571 * function.h (struct function): Add pending_chain.
3573 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3575 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3576 did not match the code.
3578 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3580 * regclass.c (regclass): Break out some code into new function
3581 scan_one_insn, and into regclass_init.
3582 (init_cost): New static variable, moved out of regclass.
3583 (regclass_init): Initialize it here, not in .
3584 (scan_one_insn): New static function, broken out of regclass.
3585 * recog.c (apply_change_group): Break out some code into new
3586 function insn_invalid_p.
3587 (insn_invalid_p): New static fn, broken out of apply_change_group.
3589 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3591 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3592 reg_reloaded_contents matches incremented pseudo.
3594 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3596 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3598 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3599 addressing modes with side effects. These are currently
3600 placeholders for the C4x target.
3602 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3604 * loop.c (express_from): Make sure that when generating a PLUS of
3605 a PLUS, any constant expression appears on the outermost PLUS.
3607 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3609 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3610 works if "$(srcdir)" != ".".
3612 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3614 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3615 existing SUBREG if we can, otherwise abort.
3617 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3619 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3620 `restrict' is applied to a non-pointer variable.
3622 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3624 * invoke.texi: Document -flang-isoc9x.
3626 * Makefile.in (OBJS): Add splay-tree.o.
3627 (c-common.o): Depend on rtl.h.
3628 (splay-tree.o): List dependencies and provide build rule.
3630 * rtl.h (record_alias_subset): New function.
3631 * alias.c: Include splay-tree.h.
3632 (alias_set_entry): New type.
3633 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3634 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3635 (mems_in_disjoin_alias_sets_p): New function.
3636 (alias_set_compare): Likewise.
3637 (insert_subset_children): Likewise.
3638 (get_alias_set_entry): Likewise.
3640 * tree.h (TYPE_RESTRICT): New macro.
3641 (TYPE_UNQUALIFIED): New manifest constant.
3642 (TYPE_QUAL_CONST): Likewise
3643 (TYPE_QUAL_VOLATILE): Likewise.
3644 (TYPE_QUAL_RESTRICT): Likewise.
3645 (tree_type): Add restrict_flag. Reduce count of free bits.
3646 (DECL_POINTER_ALIAS_SET): New macro.
3647 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3648 (tree_decl): Add pointer_alias_set.
3649 (build_qualified_type): New function.
3650 (build_type_variant): Define in terms of build_qualified_type.
3651 * tree.c (set_type_quals): New function.
3652 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3653 (build_type_attribute_variant): Use build_qualified_type and
3655 (build_type_variant): Rename, and modify, to become...
3656 (build_qualified_type): New function.
3657 (build_complex_type): Use set_type_quals.
3659 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3660 (C_TYPE_FUNCTION_P): Likewise.
3661 (C_TYPE_INCOMPLETE_P): Likewise.
3662 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3663 (c_apply_type_quals_to_decl): New function.
3664 (c_build_qualified_type): New function.
3665 (c_build_type_variant): Define in terms of c_build_qualified_type.
3666 (flag_isoc9x): Declare.
3667 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3668 (common_type): Change to use TYPE_QUALS.
3669 (comptypes): Likewise.
3670 (convert_for_assignment): Likewise.
3671 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3672 * c-decl.c (flag_isoc9x): Define.
3673 (c_decode_option): Handle -flang-isoc9x.
3674 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3675 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3676 * c-lex.c (init_lex): Deal with restrict.
3677 (init_lex): Don't treat restrict as a reserved word in
3678 -traditional mode, or without -flang-isoc9x.
3679 * c-lex.h (rid): Add RID_RESTRICT.
3680 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3681 equivalent to RID_RESTRICT.
3682 * c-parse.in (TYPE_QUAL): Update comment.
3683 * c-common.c: Include rtl.h.
3684 (c_find_base_decl): New function.
3685 (c_build_type_variant): Rename, and modify, to become ...
3686 (c_build_qualified_type): New function.
3687 (c_apply_type_quals_to_decl): Likewise.
3688 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3689 a particular alias set for the reference.
3690 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3692 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3694 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3695 command line switches.
3697 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3699 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3702 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3704 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3706 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3708 * regclass.c (fix_register): Add error message.
3709 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3712 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3714 * c-decl.c (warn_missing_noreturn): New global variable.
3715 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3716 (finish_function): Implement missing noreturn warning.
3718 * c-tree.h (warn_missing_noreturn): Declare extern.
3720 * invoke.texi: Document new flags.
3722 * toplev.c (documented_lang_options): Add description.
3724 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3726 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3727 loop optimization stable for the C4x.
3728 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3729 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3730 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3732 (c4x_address_conflict): Be more paranoid when packing a volatile
3733 memref in a parallel load/store.
3735 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3737 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3738 repeat_block_filler): Deleted.
3739 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3740 Condition code not set if destination register from 'c' class.
3741 (*subbqi3_carry_clobber): Fix typo.
3743 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3745 * reorg.c (steal_delay_list_from_target) Check for insns that
3746 modify the condition codes and effect the direction of the jump
3749 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3751 * function.c (purge_addressof_1): Replace call to
3752 emit_insns_before() with emit_insn_before().
3754 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3756 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3758 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3760 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3762 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3764 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3765 clobbered across calls.
3767 * loop.c (scan_loop): Be more selective about what invariants are
3768 moved out of a loop.
3770 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3772 * version.c: Bump for snapshot.
3774 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3776 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3777 static eh_context structure.
3779 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3781 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3783 (try_combine): Don't update max_scratch.
3784 * flow.c (max_scratch, num_scratch): Delete variables.
3785 (life_analysis_1): Don't initialize max_scratch.
3786 (propagate_block): Don't update max_scratch.
3787 (mark_set_1): Don't increment num_scratch.
3788 * regs.h (max_scratch): Delete declaration.
3790 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3792 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3793 is nonzero. This is temporary!
3795 * sched.c (update_flow_info): Handle death notes made invalid by
3796 instruction splitting. Partially reverts Oct 15, 1998 patch.
3797 * haifa-sched.c (update_flow_info): Likewise.
3799 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3801 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3802 if it has a nonzero DECL_INITIAL.
3804 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3806 * Makefile.in (flow.o): Depend on recog.h.
3808 * cpplib.h (directive_table): Add missing initializiers.
3809 (finclude): Change type of variable `bsize' to size_t.
3811 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3813 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3815 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3816 `int' when comparing against one.
3817 (cpp_file_line_for_message): Mark parameter `pfile' with
3819 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3821 * flow.c: Include recog.h.
3822 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3824 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3825 `f' with ATTRIBUTE_UNUSED.
3826 (reposition_prologue_and_epilogue_notes): Likewise.
3828 * genopinit.c (gen_insn): Cast argument of ctype functions to
3831 * haifa-sched.c: Include recog.h.
3832 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3833 comparing against one.
3835 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3837 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3839 (parse_ent): Likewise.
3840 (parse_input): Likewise.
3842 * optabs.c (init_libfuncs): Likewise.
3844 * protoize.c (find_rightmost_formals_list): Likewise.
3846 * recog.h (const_double_operand): Fix typo in prototype.
3848 * tlink.c (scan_linker_output): Cast the argument of ctype
3849 function to `unsigned char'.
3851 * toplev.c (check_lang_option): Cast the result of `strlen' to
3852 `int' when comparing against one.
3854 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3856 * gcse.c (dump_cuid_table): Correct typo.
3858 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3860 * toplev.c (display_help): Prepend '-m' to target specific
3862 (check_lang_option): Ignore text after end of first word of a
3863 language specific option.
3865 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3867 * reload1.c (reg_used_by_pseudo): New static variable.
3868 (choose_reload_regs): Initialize it.
3869 Use it instead of testing spill_reg_order to determine whether a
3870 pseudo is live in a hard register across the current insn.
3871 Fix a typo in a reference to reload_reg_rtx.
3873 * flow.c (propagate_block): Replace code that computes and uses
3874 regs_sometimes_live with simpler code that just walks the set of
3875 currently live registers.
3877 * Makefile.in (insn-extract.o): Fix dependencies.
3878 * genextract.c (main): Generate includes for insn-config.h and
3880 Delete generation of declarations which are now in recog.h.
3881 * genrecog.c (main): Delete generation of definitions which are
3883 * local-alloc.c (block_alloc): Use extract_insn and the variables
3884 it sets up instead of looking up values by insn_code.
3885 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3886 recog_dup_num): Define here instead of generating the definition in
3888 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3889 recog_operand_mode, recog_constraints, recog_operand_address_p):
3891 (extract_insn): New function.
3892 * recog.h (extract_insn): Declare function.
3893 (which_alternative, recog_n_operands, recog_n_dups,
3894 recog_n_alternatives, recog_operand_mode, recog_constraints,
3895 recog_operand_address_p): Declare variables.
3896 * regclass.c (n_occurrences): New static function.
3897 * reload.c (n_occurrences): Delete function.
3898 (find_reloads): Use extract_insn.
3899 * reload.h (n_occurrences): Delete declaration.
3901 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3903 * reload1.c (reload_as_needed): Fix test for when to call
3904 update_eliminable_offsets.
3906 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3908 Fix consistency problems with reg_equiv_{mem,address};
3909 Improve reload inheritance;
3911 * reload.c (reload_out_reg): New variable.
3912 (loc_mentioned_in_p, remove_address_replacements): New functions.
3913 (remove_replacements): Deleted.
3914 (push_reload): Set reload_out_reg[i].
3915 When merging, also set reload_{in,out}_reg[i], and remove
3916 duplicate address reloads.
3917 (combine_reloads): Copy reload_out_reg[i].
3918 (find_reloads): Do make_memloc substitution also when
3919 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3921 Include *recog_operand_loc in commutativity operand changes.
3922 Generate optional output reloads.
3923 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3924 processing operands. Call make_memloc in reg_equiv_address code.
3925 Set *recog_operand_loc only after processing operands, and only
3926 if replace is true. Return a value.
3927 When changing address reload types for operands that didn't get
3928 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3929 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3930 Don't emit USEs for pseudo SUBREGs when not replacing.
3931 (find_reloads_address): Do make_memloc substitution also when
3932 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3934 (find_reloads_toplev): Likewise.
3935 Call make_memloc in reg_equiv_address code.
3936 (debug_reload_to_stream): Add code to output reload_out_reg.
3937 (make_memloc): Delete local variable i, ifdefed out code, and
3938 references to memlocs and n_memlocs.
3939 (memlocs, n_memlocs): Delete.
3940 (push_secondary_reload): Clear reload_out_reg.
3941 (find_reloads_address_1): Provide memrefloc argument to all calls
3942 to find_reloads_address.
3943 In AUTO_INC code, handle non-directly addressable equivalences properly.
3944 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3945 (find_reloads): Add return type.
3946 (remove_address_replacements, deallocate_reload_reg): Declare.
3947 * reload1.c (num_not_at_initial_offset): No longer static.
3948 (delete_address_reloads, delete_address_reloads_1): Likewise.
3949 (deallocate_reload_reg): New function.
3950 (spill_reg_stored_to): New array.
3951 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3952 (eliminate_regs_in_insn): Move assignments of previous_offset and
3953 max_offset fields, and recalculation of num_not_at_initial_offset
3954 into new static function:
3955 (update_eliminable_offsets) .
3956 (reload_as_needed): Call update_eliminable_offsetss after calling
3958 Call forget_old_reloads_1 with contents of reloaded auto_inc
3959 expressions if the actual addressing can't be changed to match the
3961 (choose_reload_regs): For inheritance, replace
3962 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3963 remove stand-alone reload_reg_used_at_all test.
3964 Use reload_out_reg to determine which reload regs have output reloads.
3965 Treat reload_override_in more similar to inherited reloads.
3966 Handle (subreg (reg... for inheritance.
3967 For flag_expensive_optimizations, add an extra pass to remove
3968 unnecessary reloads from known working inheritance.
3969 Delete obsolete code for pseudos replaced with MEMs.
3970 Handle inheritance from auto_inc expressions.
3971 (emit_reload_insns): If reload_in is a MEM, set OLD to
3973 Don't reload directly from oldequiv; if it's a pseudo with a
3974 stack slot, use reload_in[j].
3975 Check that reload_in_reg[j] is a MEM before replacing reload_in
3976 from reg_reloaded_contents.
3977 Include non-spill registers in reload inheritance processing.
3978 Also try to use reload_out_reg to set spill_reg_store /
3979 reg_last_reload_reg.
3980 In code to set new_spill_reg_store, use single_set to find out if
3981 there is a single set.
3982 Add code that allows to delete optional output reloads.
3983 Add code to allow deletion of output reloads that use no spill reg.
3984 At the end, set reload_override_in to oldequiv.
3985 Also call delete_output_reload if reload_out_reg is equal to old
3987 Add code to call delete_output_reload for stores with no matching load.
3988 Set / use spill_reg_stored_to.
3989 Handle case where secondary output reload uses a temporary, but
3990 actual store isn't found.
3991 When looking for a store of a value not loaded in order to call
3992 delete_output_reload, count_occurences should return 0 for no
3993 loads; but discount inherited input reloadill_reg_stored_to.
3994 Do checks for extra uses of REG. Changed all
3996 Use delete_address_reloads.
3997 (reload): Take return value of find_reloads into account.
3998 If a no-op set needs more than one reload, delete it.
3999 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4000 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4001 for the same operand.
4002 (clear_reload_reg_in_use): Check for other reloads that keep a
4004 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4005 RELOAD_FOR_OPADDR_ADDR.
4006 Take into account when an address address reload is only needed
4007 for the address reload we are considering.
4008 (count_occurrences): Use rtx_equal_p for MEMs.
4009 (inc_for_reload): Return instruction that stores into RELOADREG.
4010 New argument two, IN, and rtx. Changed all callers.
4011 (calculate_needs_all_insns, reload_as_needed):
4012 Don't clear after_call for a CLOBBER.
4013 Keep track of how many hard registers need to be copied from
4014 after_call, and don't clear after_call before we have seen
4015 that much copies, or we see a different instruction.
4017 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4019 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4020 after reload has completed.
4022 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4024 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4025 a macro name and the next token with a single blank if that whitespace
4026 is in a macro buffer and the next token is not '('.
4028 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4030 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4032 (skip_if_group): Ditto.
4033 (skip_to_end_of_comment): Ditto.
4035 (discard_comments): Ditto.
4036 (change_newlines): Ditto.
4038 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4040 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4042 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4044 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4045 (TARGET_OPTIONS): Add --help documentation.
4047 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4049 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4051 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4053 * fixinc/* Moved in from ../contrib directory in preparation
4054 for integrating it into the normal build process. In particular,
4055 fixinc/Makefile.in must be config-ed into the build directory
4056 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4057 ./configure.in will be "in the mail" momentarily.
4059 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4061 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4062 accidently walk into the free list. Comment how that can happen.
4063 (invalidate): Fix indentation.
4065 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4066 Jeffrey A Law (law@cygnus.com)
4068 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4069 reload. Never perform rescans of the insn chain after reload.
4070 (propagate_block): Do not delete insn or create new autoinc addressing
4073 * jump.c (jump_optimize): Unconditionally use the code that was
4074 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4075 * reload1.c (reload): When reloading is finished, delete all
4076 REG_DEAD and REG_UNUSED notes.
4077 (emit_reload_insns): Delete all code that was conditional on
4078 PRESERVE_DEATH_INFO_REGNO_P.
4079 (no_longer_dead_regs): Delete variable.
4080 (reload_cse_delete_death_notes): Delete function.
4081 (reload_cse_no_longer_dead): Delete function.
4082 (reload_cse_regs_1): Delete all code to handle deletion of death
4084 (reload_cse_noop_set_p): Likewise.
4085 (reload_cse_simplify_set): Likewise.
4086 (reload_cse_simplify_operands): Likewise.
4087 (reload_cse_move2add): Likewise.
4088 * reorg.c (used_spill_regs): Delete declaration.
4089 (max_label_num_after_reload): Delete declaration.
4090 (find_dead_or_set_registers): Don't assume that spill regs are
4091 dead at a CODE_LABEL.
4092 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4094 * sched.c (sched_analyze_insn): Likewise.
4095 (update_flow_info): Likewise.
4096 * haifa-sched.c (sched_analyze_insn): Likewise.
4097 (update_flow_info): Likewise.
4098 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4099 * toplev.c (max_label_num_after_reload): Delete variable.
4100 (rest_of_compilation): Don't set max_label_num_after_reload.
4101 Call life_analysis after reload_cse_regs if optimizing.
4102 * config/gmicro/gmicro.h: Delete comment referring to
4103 PRESERVE_DEATH_INFO_REGNO_P.
4104 * config/i386/i386.h: Likewise.
4105 * config/m88k/m88k.h: Likewise.
4106 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4107 * config/sh/sh.h: Likewise.
4109 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4111 * loop.c (strength_reduce): Restore marking bct_p as
4113 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4114 HAVE_decrement_and_branch_on_count.
4115 (small_data_operand): Remove TARGET_ELF condition for marking
4116 parameters ATTRIBUTE_UNUSED.
4118 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4120 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4121 (SELECT_SECTION): Resync with svr4.h.
4123 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4125 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4128 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4130 * c-pragma.c (handle_pragma_token): Test for null tree before
4131 dereferencing TREE_CODE.
4133 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4135 * config/c4x/c4x.c: Convert to use GEN_INT.
4136 (c4x_parallel_process): Rework to handle new repeat loop structure.
4138 * config/c4x/c4x.md: Convert to use GEN_INT.
4139 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4140 (decrement_and_branch_on_count): Likewise.
4142 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4143 loop.c has the desired functionality.
4144 (rc_reg_operand): New prototype.
4146 * config/c4x/t-c4x: Can now build all front ends.
4148 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4150 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4152 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4154 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4155 * config/t-rtems: Do not install assert.h -- use newlib's.
4157 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4159 * combine.c (combine_instructions): When finished, call init_recog.
4160 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4162 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4164 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4166 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4168 * cppalloc.c (memory_full): Mark function prototype with
4171 * demangle.h (collect_exit): Likewise.
4173 * fix-header.c (v_fatal, fatal): Likewise.
4175 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4178 * gcov.c (print_usage): Likewise.
4180 * genattr.c (fatal, fancy_abort): Likewise.
4182 * genattrtab.c (fatal, fancy_abort): Likewise.
4184 * gencodes.c (fatal, fancy_abort): Likewise.
4186 * genconfig.c (fatal, fancy_abort): Likewise.
4188 * genemit.c (fatal, fancy_abort): Likewise.
4190 * genextract.c (fatal, fancy_abort): Likewise.
4192 * genflags.c (fatal, fancy_abort): Likewise.
4194 * genopinit.c (fatal, fancy_abort): Likewise.
4196 * genoutput.c (fatal, fancy_abort): Likewise.
4198 * genpeep.c (fatal, fancy_abort): Likewise.
4200 * genrecog.c (fatal, fancy_abort): Likewise.
4202 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4203 __sjpopnthrow, __throw): Likewise.
4205 * objc/objc-act.c (objc_fatal): Likewise.
4207 * protoize.c (usage, aux_info_corrupted,
4208 declare_source_confusing): Likewise.
4210 * rtl.c (dump_and_abort): Likewise.
4212 * rtl.h (sets_cc0_p): Likewise.
4214 * toplev.c (float_signal, pipe_closed): Likewise.
4216 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4218 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4219 when generating the decision tree for the general case.
4221 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4222 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4224 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4226 * Makefile.in (sched.o): Depend on recog.h.
4228 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4229 (unsigned) when comparing against one.
4230 (find_base_value): Likewise.
4231 (record_base_value): Cast variable `regno' to (unsigned) when
4232 comparing against one. Cast the result of REGNO() macro to
4233 (unsigned) when comparing against one.
4234 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4236 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4237 variable where an unsigned index is needed.
4239 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4240 before comparing against one.
4242 * collect2.c: Add prototypes for functions `error', `fatal' and
4243 `fatal_perror'. Make these functions take variable arguments
4244 instead of faking it with a fixed number of args.
4245 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4248 * combine.c (can_combine_p): Mark parameter `pred' with
4250 (find_split_point): Cast variable `src' to (unsigned
4251 HOST_WIDE_INT) when comparing against one.
4252 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4253 (simplify_logical): Likewise.
4254 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4255 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4256 HOST_WIDE_INT) in shift.
4257 (simplify_and_const_int): Cast result of INTVAL() macro to
4258 `unsigned HOST_WIDE_INT' when comparing against one.
4259 (merge_outer_ops): Cast variable const0 to `unsigned
4260 HOST_WIDE_INT' when comparing against the result of
4261 GET_MODE_MASK() macro.
4262 (simplify_comparison): Likewise for variable `c0'. Cast variable
4263 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4264 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4265 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4266 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4267 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4268 comparing against one.
4269 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4271 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4272 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4273 (output_block_move): Cast `sizeof' expression to (int) when
4274 comparing against one.
4275 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4277 (save_restore_insns): Cast `base_offset' to `long' to match format
4278 specifier in fprintf.
4280 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4281 to `enum machine_mode'.
4283 * flow.c (life_analysis_1): Remove unused variable `insn'.
4285 * gcc.c (translate_options): Move variables `j' and `k' into the
4286 scope in which they are used. Change their types to `size_t'.
4287 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4288 (read_specs): Likewise.
4289 (process_command): Cast `sizeof' to (int) when comparing against one.
4290 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4291 (handle_braces): Cast both sides of `==' expression to `long' to
4292 ensure sign matching.
4293 (main): Cast variable `i' to `int' when comparing against one.
4295 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4296 int to size_t. Cast variable `i' to size_t when comparing against
4299 * genattrtab.c (convert_set_attr_alternative): Remove unused
4300 parameter `insn_code'. All callers changed.
4301 (convert_set_attr): Likewise.
4303 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4304 size_t when comparing against one. Likewise for variable `len'.
4306 * global.c (global_alloc): Cast variable `max_regno' to size_t
4307 when comparing against one. Likewise for variable `max_allocno'.
4309 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4311 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4312 `set' with ATTRIBUTE_UNUSED.
4313 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4316 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4317 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4318 (get_condition): Cast variable `const_val' to `unsigned
4319 HOST_WIDE_INT' when comparing against one. Cast unsigned
4320 expression to HOST_WIDE_INT when comparing against one.
4321 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4322 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4323 `unsigned' when comparing against one.
4325 * protoize.c (is_id_char): Change type of parameter `ch' to
4327 (munge_compile_params): Cast argument of ctype macro to (const
4329 (process_aux_info_file): Cast variable `aux_info_size' to int when
4330 comparing against one.
4331 (forward_to_next_token_char): Cast argument of ctype macro to
4332 `const unsigned char'.
4333 (edit_formals_lists): Likewise.
4334 (find_rightmost_formals_list): Likewise.
4335 (add_local_decl): Likewise.
4336 (add_global_decls): Likewise.
4337 (edit_fn_definition): Likewise.
4338 (do_cleaning): Likewise.
4339 (scan_for_missed_items): Likewise.
4340 (edit_file): Cast variable `orig_size' to (int) when comparing
4342 (main): Cast argument of ctype macro to `const unsigned char'.
4344 * recog.c (const_int_operand): Mark parameter `mode' with
4347 * regclass.c (record_reg_classes): Change type of variable `c' to
4348 `unsigned char'. Cast `char' array index to `unsigned char'.
4350 * reload.c (push_secondary_reload): Cast argument to
4351 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4353 * reload1.c (calculate_needs): Cast `char' array index to
4355 (set_label_offsets): Change type of variable `i' to unsigned int.
4356 Cast result of XVECLEN() macro to unsigned when comparing against
4358 (mark_not_eliminable): Change type of variable `i' to unsigned.
4359 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4360 when comparing against one.
4361 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4362 comparing against one.
4363 (choose_reload_regs): Hide unused label `fail'.
4364 (reload_cse_simplify_operands): Cast `char' array index to
4366 (reload_combine_note_store): Mark parameter `set' with
4367 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4369 (reload_cse_move2add): Remove unused variable `src2'.
4371 * sched.c: Include recog.h.
4372 (sched_note_set): Remove unused parameter `b'. All callers
4374 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4375 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4376 when comparing against one.
4378 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4379 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4380 comparing against one.
4382 * unroll.c (precondition_loop_p): Remove unused parameter
4383 `loop_end'. All callers changed.
4385 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4387 * reload1.c (maybe_fix_stack_asms): New static function.
4390 * reload.h (compute_use_by_pseudos): Declare.
4392 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4393 (something_needs_reloads): Delete variable.
4394 (finish_spills): New function.
4395 (compute_use_by_pseudos): New function.
4397 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4398 Use the reload_insn_chain instead of walking the rtl directly.
4400 (reload): Allocate and free spilled_pseudos.
4401 Ensure that all calls of spill_hard_reg are followed by a call to
4403 Use the insns_need_reload list instead of something_needs_reloads
4404 to find out if reload_as_needed must be called.
4405 Clear unused_insn_chains at the end.
4407 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4409 Delete code to keep track of current basic block.
4410 Walk reload_insn_chain instead of the rtl structure. Build the
4411 insns_need_reload chain.
4412 Remember which insns need reloading/elimination by setting the
4413 appropriate fields in struct insn_chain, not by putting modes on the
4416 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4417 arg INSN. All callers changed.
4418 Delete declaration of struct needs.
4419 Don't set something_needs_reloads.
4420 Record insn needs in the CHAIN argument.
4422 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4424 (reload_as_needed): Lose FIRST arg. All callers changed.
4425 Walk the reload_insn_chain instead of the rtx structure.
4426 Delete code to keep track of current basic block.
4427 Rename one of the NEXT variables to OLD_NEXT.
4429 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4431 (choose_reload_regs): Likewise.
4433 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4436 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4437 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4438 (hard_regs_live, hard_regs_need_restore): Delete variables.
4439 (n_regs_saved): Now static.
4440 (referenced_regs, this_insn_sets): New variables.
4442 (setup_save_areas): Restructure the code a bit.
4444 (restore_referenced_regs): Delete function.
4445 (mark_referenced_regs): New function, similar to the old
4446 restore_referenced_regs, but mark registers in referenced_regs.
4448 (clear_reg_live): Delete function.
4449 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4450 Only mark registers in this_insn_sets.
4452 (save_call_clobbered_regs): Rework this function to walk the
4453 reload_insn_chain instead of using the list of instructions directly.
4454 Delete code to keep track of register lives, compute live regs on the
4455 fly from information in the chain.
4456 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4457 then walk the set it computes and call insert_restore as appropriate.
4459 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4461 Restructure the code a bit. Test hard_regs_saved instead of
4462 hard_regs_need_restore.
4463 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4464 args. All callers changed.
4465 Restructure the code a bit. Use TO_SAVE to determine which regs to
4466 save instead of more complicated test.
4467 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4469 Create a new insn_chain structure for the new insn and place it
4472 * rtl.texi: Update documentation to reflect that reload no longer
4473 puts modes on the insns.
4475 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4477 * function.c (purge_addressof_1): Force the first argument of a
4478 CALL insn to memory.
4480 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4482 * rtl.h: Delete duplicate prototypes. Add some missing
4484 * rtlanal.c: (for_each_rtx): Formatting tweak.
4486 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4488 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4489 to be compatible with TI compiler.
4491 * Makefile.in (USER_H): Add va-c4x.h to definition.
4493 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4495 * function.c (purge_addressof_1): Fix typo in inequality: do
4496 bitfield optimization for equal mode sizes.
4497 * expmed.c (store_bit_field): Don't take subregs of subregs in
4498 the movstrict case. Tidy a potential problem in the multi-word case.
4499 (extract_bit_field): Likewise.
4501 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4503 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4505 Compute max_uid_for_flow by calling get_max_uid after the scan.
4506 (find_basic_blocks_1): Don't emit NOPs here.
4508 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4510 * alias.c (base_alias_check): Accept new args for the modes of the
4511 two references. Use them to determine if an AND can overlap. Update
4513 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4514 to determine if an AND can overlap.
4516 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4518 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4519 check. Add comment to document problems with TARGET_SUN_FPA version
4521 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4523 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4525 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4527 * c-common.c (print_char_table): Add missing initializers.
4528 (scan_char_table): Likewise.
4529 (time_char_table): Likewise.
4531 * c-decl.c (c_decode_option): Mark parameter `argc' with
4533 (declare_parm_level): Mark parameter `definition_flag' with
4536 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4537 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4540 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4542 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4544 (expand_call): Cast result of MIN() to (unsigned int) when
4545 comparing against an unsigned value.
4547 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4549 (make_definition): Remove unused parameter `op'. All callers
4551 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4552 comparing against the result of pointer arithmetic.
4554 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4555 when comparing against one.
4557 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4558 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4560 (output_die): Move variable `i' into the scope in which it is
4561 used. Change its type to `unsigned'.
4562 (output_die): Cast the result of `strlen' to (int) when passing it
4563 to ASM_OUTPUT_ASCII().
4564 (output_pubnames): Likewise.
4565 (output_line_info): Likewise.
4567 * emit-rtl.c (global_rtl): Add missing initializers.
4569 * explow.c (promote_mode): Mark parameter `for_call' with
4572 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4573 `unsigned HOST_WIDE_INT' when comparing against one.
4574 (synth_mult): Change type of variable `cost' to int.
4575 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4577 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4578 when comparing against one.
4579 (get_inner_reference): Change variable `alignment' to unsigned.
4580 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4581 int) when comparing against one.
4582 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4584 * fold-const.c (div_and_round_double): Cast BASE to
4585 (HOST_WIDE_INT) when comparing against one.
4587 * gencheck.c: Include gansidecl.h.
4588 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4590 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4591 `tcode' with ATTRIBUTE_UNUSED.
4593 * real.c (edivm): Cast constant value to (unsigned long) in
4594 expression compared against an unsigned value.
4596 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4597 comparing against one.
4598 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4599 when comparing against one.
4601 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4602 (unsigned int) when comparing against one. Likewise for
4604 (smallest_mode_for_size): Likewise.
4605 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4606 (restore_storage_status): Likewise.
4608 * toplev.c (debug_args): Add missing initializer.
4609 (f_options): Spelling correction. Add missing initializers.
4610 (documented_lang_options): Likewise.
4611 (debug_end_source_file): Mark parameter `lineno' with
4614 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4615 `decl' and `type' with ATTRIBUTE_UNUSED.
4617 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4618 when comparing against one.
4619 (assemble_variable): Mark parameter `top_level' with
4621 (assemble_external_libcall): Mark parameter `fun' with
4623 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4626 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4628 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4629 Replace use of r5 with use of r19.
4631 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4633 * config/v850/v850.c (compute_register_save_size): Allow for the
4634 fact that helper functions save all registers, not just those used
4637 Replace constant 31 with macro LINK_POINTER_REGNUM.
4639 * config/v850/v850.md: Use 'indirect_operand' rather than
4640 'memory_operand' for bit test/set/clear patterns.
4642 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4644 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4645 * varasm.c (assemble_start_function et al): Don't call
4646 ASM_GLOBALIZE_LABEL for weak symbols.
4648 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4650 * cse.c (equiv_constant): Check for NULL return from
4651 gen_lowpart_if_possible().
4653 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4655 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4657 * collect2.c (main): Pass -EL/-EB through to the compiler.
4659 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4661 * expr.c (push_block): Handle targets where the stack grows
4662 to higher addresses, but args grow to lower addresses and
4663 ACCUMULATE_OUTGOING_ARGS is not defined.
4665 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4667 * config/v850/v850.c (print_operand): Extend meaning
4668 of 'c' operands to support .vtinherit.
4670 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4672 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4673 Added ATTRIBUTE_UNUSED to unused function arguments.
4674 (rc_reg_operand): New predicate.
4675 (c4x_rptb_insert): New function.
4676 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4677 (c4x_optimization_options): New function.
4679 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4680 (decrement_and_branch_on_count): New pattern.
4681 (rptb_top): Modified pattern to work with BCT optimization.
4683 * config/c4x/c4x.h (RC_REG): New register class.
4684 (rc_reg_operand): Define prototype.
4685 (IS_RC_REG): New macro.
4686 (IS_RC_OR_PSEUDO_REG): New macro.
4687 (IS_RC_OR_PSEUDO_REGNO): New macro.
4688 (OPTIMIZATION_OPTIONS): Define.
4690 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4692 * collect2.c (extract_init_priority): No priority is 65535.
4694 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4696 * Makefile.in (build_tooldir): new variable, same as old
4697 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4698 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4699 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4701 * configure.in (gxx_include_dir): set default based on unlibsubdir
4702 * Makefile.in (tooldir): ditto
4703 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4704 gxx_include_dir, includedir and tooldir
4705 (protoize.o, unprotoize.o): ditto
4707 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4709 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4711 * config/arm/thumb.c (thumb_override_options): Add warning about
4712 PIC code not being supported just yet.
4714 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4716 * flow.c: Update comment.
4717 (notice_stack_pointer_modification): New static function.
4718 (record_volatile_insns): Use it.
4719 (mark_regs_live_at_end): Mark the stack pointer as alive
4720 at the end of the function if current_function_sp_is_unchanging
4722 (life_analysis_1): Set current_function_sp_is_unchanging.
4723 * function.c: Define it.
4724 (init_function_start): Initialize it.
4725 * output.h: Declare it.
4726 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4727 the stack pointer as alive at the end of the function if
4728 current_function_sp_is_unchanging is set.
4729 * i386.c (ix86_epilogue): Optimize the restoring
4730 of the stack pointer.
4732 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4734 * version.c: Bump for snapshot.
4736 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4738 * c-pragma.c (handle_pragma_token): If passed a token instead
4739 of a tree, use that as the pack value.
4741 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4743 * flow.c (find_basic_blocks_1): Fix prototype.
4745 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4747 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4748 (struct tree_decl): New fields no_check_memory_usage.
4749 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4750 (init_attributes): Register it as a new attribute.
4751 (decl_attributes): Set flags on functions given that attribute.
4752 * c-decl.c (duplicate_decls): Merge new attribute.
4753 * expr.h (current_function_check_memory_usage): Declare new var.
4754 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4755 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4756 current_function_check_memory_usage.
4757 * function.h: Add field to struct function.
4758 * function.c (current_function_check_memory_usage): Define it.
4759 (push_function_context_to, pop_function_context_from): Save and
4761 (expand_function_start): Set it, based on global flag and function
4764 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4765 check non-automatic variables, to permit detection of writes to
4766 read-only locations in embedded systems without memory management.
4767 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4768 when emitting chkr_set_right_libfunc call, even if the argument is
4769 BLKmode or variable-sized; don't abort.
4771 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4772 symbols in Pmode, not VOIDmode.
4774 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4776 * cppexp.c: When forcing unsigned comparisons, cast both sides
4779 * cpphash.h: Move static declaration of hashtab[]...
4780 * cpphash.c: ...here.
4782 * cpplib.c: Cast difference of two pointers to size_t before
4783 comparing it to size_t. Cast signed to unsigned
4784 before comparing to size_t. (FIXME: struct argdata should use
4785 unsigned buffer sizes.)
4786 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4787 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4788 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4789 size_t before comparison.
4791 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4793 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4794 (find_basic_blocks_1): Similarly.
4795 * output.h (find_basic_blocks): Fix prototype.
4796 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4797 find_basic_blocks anymore.
4799 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4801 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4802 (sbitmap_free, sbitmap_vector_free): New macros.
4803 * output.h (rtl_dump_file): Declare.
4805 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4807 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4809 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4811 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4813 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4814 (divide): Remove unused variable `tmp'.
4815 (si_to_float): Cast numeric constant to (SItype) before comparing
4818 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4820 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4821 * gcc.c (add_preprocessor_option): Correct typo when allocating
4822 memory, sizeof() argument had one too many `*'.
4823 (add_assembler_option): Likewise.
4824 (add_linker_option): Likewise.
4825 * gcov.c (output_data): Likewise.
4826 * local-alloc.c (memref_used_between_p): Likewise.
4827 (update_equiv_regs): Likewise.
4828 * loop.c (strength_reduce): Likewise.
4829 * reg-stack.c (record_asm_reg_life): Likewise.
4830 (subst_asm_stack_reg): Likewise.
4831 * reorg.c (dbr_schedule): Likewise.
4833 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4835 * flow.c (life_analysis_1): Break out some functions.
4836 (find_basic_blocks_1): Likewise. Also move some variables out and
4838 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4839 new static var nonlocal_label_list with it.
4840 (active_eh_region, nested_eh_region, label_value_list,
4841 nonlocal_label_list): New static variables.
4842 (make_edges, delete_unreachable_blocks, delete_block): New static
4843 functions, broken out of find_basic_blocks_1.
4844 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4845 noop_move_p): New static functions, broken out of life_analysis_1.
4847 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4849 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4850 Take extra care for op0 now possibly being a subreg.
4851 (extract_bit_field): Likewise.
4852 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4853 the reg to memory if there is no equal sized integral mode.
4854 * stor-layout.c (int_mode_for_mode): New function.
4855 * machmode.h: Prototype it.
4857 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4859 * global.c (build_insn_chain): Verify no real insns exist past the
4860 end of the last basic block, then exit the loop.
4862 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4864 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4866 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4868 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4870 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4872 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4874 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4876 * flow.c (find_basic_blocks): Correctly determine when a call
4877 is within an exception region.
4879 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4881 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4883 * cpplib.h: Protect from multiple inclusions.
4884 * cpplib.c: Fix minor formatting problems.
4886 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4888 * jump.c (jump_optimize): Revert accidental patch.
4890 * Makefile.in (cpplib.o): Use unlibsubdir.
4892 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4894 * loop.c (get_condition): Allow combine when either compare is
4897 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4899 * version.c: Bump for snapshot.
4901 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4903 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4904 (init_lex): Initialize ridpointers[RID_BYREF].
4905 * c-lex.h (enum rid): Add RID_BYREF.
4906 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4907 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4908 (encode_type_qualifiers): Similarly
4909 * c-gperf.h: Rebuilt.
4911 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4913 * c-common.c (type_for_mode): Only return TItype nodes when
4914 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4915 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4916 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4917 (init_decl_processing): Only create TItype nodes when
4918 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4919 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4920 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4922 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4924 * stmt.c (n_occurrences): New static function.
4925 (expand_asm_operands): Verify that all constrains match in the
4926 number of alternatives.
4927 Verify that '+' or '=' are at the beginning of an output constraint.
4928 Don't allow '&' for input operands.
4929 Verify that '%' isn't written for the last operand.
4930 * reload.c (find_reloads): Abort if an asm is found with invalid
4931 constraints; all possible problems ought to be checked for earlier.
4933 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4935 * flags.h (flag_branch_on_count_reg): Always declare
4936 * toplev.c (flag_branch_on_count_reg): Likewise.
4937 * toplev.c: Fix typos.
4939 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4942 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4944 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4946 (find_basic_blocks_1): Add a nop to the end of a basic block when
4947 a trailing call insn does not have abnormal control flow.
4948 * gcse.c (pre_transpout): New variable.
4949 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4950 (compute_pre_transpout): Calculate it.
4951 (compute_pre_ppinout): Use it to eliminate impossible placements
4952 due to abnormal control flow through calls.
4953 (compute_pre_data): Call compute_pre_transpout.
4955 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4957 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4959 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4961 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4962 and matching define_insns): Tack on a `use' of the table label, so
4963 flow analysis will recognize a tablejump.
4965 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4967 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4968 always end basic blocks for abnormal edge reasons.
4970 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4972 * config/i386/i386.h: Remove definition of
4973 HANDLE_PRAGMA_PACK_PUSH_POP.
4975 * config/i386/go32.h: Add definition of
4976 HANDLE_PRAGMA_PACK_PUSH_POP.
4978 * config/i386/win32.h: Add definition of
4979 HANDLE_PRAGMA_PACK_PUSH_POP.
4981 * config/i386/cygwin32.h: Add definition of
4982 HANDLE_PRAGMA_PACK_PUSH_POP.
4984 * c-pragma.c (insert_pack_attributes): Do not insert
4985 attributes unless #pragma pack(push,<n>) is in effect.
4987 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4989 * expr.c (emit_group_store): Handle a PARALLEL destination.
4991 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4993 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4994 the new insns before the argument regs are loaded.
4996 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4998 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4999 (c-parse.gperf): Update comments describing invocation flags.
5000 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5002 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5004 * reload1.c (reload): Call free before clobbering the memory
5005 locations or constants pointers.
5007 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5009 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5010 for efficiency by checking whether we need to modify the current
5011 stack permission at all.
5012 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5013 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5014 __enable_execute_stack libcall here too if
5015 TRANSFER_FROM_TRAMPOLINE is defined.
5016 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5019 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5021 * Makefile.in (DRIVER_DEFINES): Remove last change.
5023 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5025 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5026 insns we're going to copy.
5027 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5029 * loop.c (count_one_set): Add prototype.
5031 * caller-save.c (restore_referenced_regs): Lose mode argument.
5032 (insert_save): Lose mode argument.
5033 (insert_restore): Lose mode argument.
5034 (insert_one_insn): Lose mode argument.
5035 (save_call_clobbered_regs): Lose mode argument.
5036 (setup_save_areas): Take no argument and return void. All callers
5038 Don't verify validity of memory addresses.
5039 * reload.h (setup_save_ares): Adjust prototype.
5040 (save_call_clobbered_regs): Likewise.
5041 * reload1.c (delete_caller_save_insns): New function.
5042 (caller_save_spill_class): Delete variable.
5043 (caller_save_group_size): Delete variable.
5044 (reload): Call setup_save_areas and save_call_clobbered_regs
5045 in the main loop, before calling calculate_needs_all_insns.
5046 Don't call save_call_clobbered_regs after the loop.
5047 Call delete_caller_save_insns at the end of an iteration if
5049 Delete code to manage caller_save_spill_class.
5050 Emit the final note before setting reload_first_uid.
5051 Simplify test that determines whether reload_as_needed gets run.
5052 (calculate_needs): Delete code to manage caller_save_spill_class.
5054 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5056 * collect2.c (main): Initialize ld_file_name.
5058 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5060 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5061 check for flag_function_sections.
5063 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5065 * cse.c (insert_regs): Fix bug in Sep 24 change.
5067 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5069 * flags.h (flag_dump_unnumbered): Declare.
5070 * toplev.c (flag_dump_unnumbered): Don't declare.
5071 * print-rtl.c (flags.h): Include.
5072 (print_rtl_single): Add return value.
5073 * rtl.h (print_rtl_single): Update declaration.
5074 * flow.c (flag_dump_unnumbered): Don't declare.
5075 (print_rtl_with_bb): Use return value of print_rtl_single.
5077 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5079 * loop.c (count_one_set): New static function, broken out of
5081 (count_loop_regs_set): Call it.
5082 * global.c (mark_reg_store): Handle clobbers here by not calling
5084 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5085 is in fact a clobber.
5086 * integrate.c (process_reg_param): New function, broken out of
5087 expand_inline_function.
5088 (expand_inline_function): Call it.
5091 * i386.md (addsidi3_1): Delete unused variable temp.
5092 (addsidi3_2): Likewise.
5093 (clstrstrsi): Delete unused variable addr1.
5095 * rtl.h: Don't declare any functions also declared in recog.h.
5097 * Makefile.in (stupid.o): Update dependencies.
5098 (global.o): Likewise.
5100 * global.c: Include reload.h
5101 (reg_becomes_live): New function.
5102 (reg_dies): New function.
5103 (build_insn_chain): New function.
5104 (global_alloc): Call build_insn_chain before calling reload.
5106 * reload.h (struct needs): New structure definition.
5107 (struct insn_chain): Likewise.
5108 (reload_insn_chain): Declare variable.
5109 (new_insn_chain): Declare function.
5112 * reload1.c (reload_startobj): New variable.
5113 (reload_insn_chain): New variable.
5114 (unused_insn_chains): New variable.
5115 (new_insn_chain): New function.
5116 (init_reload): Initialize reload_startobj, not reload_firstobj.
5117 (reload): Initialize reload_firstobj.
5118 Before returning, free everything on the reload_obstack.
5120 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5121 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5122 current_chain): New variables.
5123 (reg_where_born): Delete variable.
5124 (REG_WHERE_BORN): New macro.
5125 (find_clobbered_regs): New function.
5126 (stupid_life_analysis): Don't allocate/free reg_where_born.
5127 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5128 reg_where_dead_chain.
5129 Use REG_WHERE_BORN instead of reg_where_born.
5130 While processing the insns, build the reload_insn_chain with
5131 information about register lifetimes.
5132 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5133 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5135 Compute and information about birth and death of pseudo registers in
5136 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5137 Delete code to set elements of reg_where_born.
5139 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5141 * tree.def (GOTO_EXPR): Modified documentation.
5142 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5145 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5147 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5148 loop_final_value, loop_comparison_code): No longer static.
5149 (unroll_loop): Delete loop_start_value update.
5150 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5151 loop_final_value, loop_comparison_code): Extern.
5152 (loop_start_value): Delete extern.
5153 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5154 loop_comparison_value, loop_comparison_code): Delete.
5155 (loop_optimize): Remove initialization for deleted variables.
5156 (strength_reduce): Delete analyze_loop_iterations call. Only call
5157 insert_bct if flag_branch_count_on_reg set.
5158 (analyze_loop_iterations): Delete.
5159 (insert_bct): Remove iteration count calculation. Move checks for
5160 viable BCT optimization to here. Obtain iteration count from
5161 loop_iterations and correct for unrolling. Check for enough
5162 iteration to be beneficial. Comment out runtime iteration count
5164 (insert_bct): Print iteration count in dump file. Remove
5165 loop_var_mode and use word_mode directly.
5167 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5168 * rs6000.c (rs6000_override_options): Use it.
5169 (optimization_options): Enable use of flag_branch_on_count_reg.
5170 * rs6000.md (define_function_unit): Describe 604e.
5172 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5174 * loop.c (move_movables): Corrected threshold calculation for
5175 moved_once registers.
5177 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5179 * loop.c (combine_givs_p): Fix test for identical givs.
5181 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5183 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5184 call abort if the function is already defined.
5186 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5188 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5189 truncation is not a no-op.
5191 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5193 * version.c: Bump for snapshot.
5195 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5197 * version.c: Bump for snapshot.
5199 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5201 * expmed.c (expand_divmod): Don't widen for computing remainder
5202 if we seem to have a divmod pattern for needed mode.
5204 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5206 * cpplib.c (macroexpand): Correct off-by-one error in handling
5209 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5211 * combine.c (expand_field_assignment): Don't do bitwise operations
5212 on MODE_FLOAT; pun to MODE_INT if possible.
5214 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5215 scott snyder <snyder@d0sgif.fnal.gov>
5217 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5218 linker. Recognize mangled names in quotes.
5220 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5222 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5223 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5224 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5225 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5227 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5229 * function.c (purge_addressof_1): If trying to take a sub-word
5230 integral piece of a floating point mode, put it on the stack.
5232 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5234 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5236 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5238 * PROJECTS: Remove template friends.
5240 * collect2.c (sort_ids): Remove unused variable.
5242 * tm.texi (MATH_LIBRARY): Document.
5243 (NEED_MATH_LIBRARY): Remove.
5245 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5246 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5248 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5250 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5251 last_end to 0x7fffffff.
5253 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5255 * function.c (purge_addressof_1): Do not perform endianness
5256 corrections on bitpos, who we call will do it for us.
5258 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5260 * h8300.c (WORD_REG_USED): Fix typo.
5261 (initial_offset): Use WORD_REG_USED.
5263 * h8300.c (handle_pragma): Fix typo.
5265 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5267 * caller-save.c (insert_save_restore): Break this function up
5268 into new functions insert_restore, insert_save and insert_one_insn.
5269 All callers changed.
5270 (insert_restore): New function, mostly broken out of
5271 insert_save_restore.
5272 (insert_save): Likewise.
5273 (insert_one_insn): Likewise.
5274 (restore_referenced_regs): New argument BLOCK. All callers changed.
5275 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5276 in this function, do it in insert_one_insn instead.
5278 * reload1.c (reload): Break out some more pieces into separate
5280 (dump_needs): New function, broken out of reload.
5281 (set_initial_elim_offsets): Likewise.
5282 (init_elim_table): Likewise.
5283 (update_eliminables): Likewise.
5285 * global.c (global_alloc): Delete code to manage the scratch_list.
5286 * local-alloc.c (qty_scratch_rtx): Delete.
5287 (scratch_block): Delete.
5288 (scratch_list): Delete.
5289 (scratch_list_length): Delete.
5290 (scratch_index): Delete.
5291 (alloc_qty_for_scratch): Delete.
5292 (local-alloc): Update initialization of max_qty.
5293 Delete code to manage the scratch list.
5294 Delete code to allocate/initialize qty_scratch_rtx.
5295 (block_alloc): Don't allocate quantities for scratches.
5296 Delete code to manage the scratch list.
5297 * regs.h (scratch_list): Delete declaration.
5298 (scratch_block): Delete declaration.
5299 (scratch_list_length): Delete declaration.
5300 * reload1.c (reload): Delete code to manage the scratch list.
5301 (spill_hard_reg): Likewise.
5302 (mark_scratch_live): Delete.
5304 * recog.c (alter_subreg): Delete declaration.
5306 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5308 * Makefile.in (cccp.o): Fix typo in last patch.
5310 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5312 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5313 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5315 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5317 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5318 NULL_RTX as an argument.
5320 * Makefile.in (unlibsubdir): Define.
5321 (DRIVER_DEFINES): Use unlibsubdir.
5322 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5323 (stmp-fixinc): Similarly.
5325 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5327 * regmove.c (regmove_optimize): Add variable old_max_uid.
5328 At the end of the function, update basic_block_end.
5330 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5332 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5333 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5336 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5338 * config/arm/arm.c: Improve interworking support.
5340 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5342 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5343 copied from reload_out[r] .
5345 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5347 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5348 with more than three size ranges.
5350 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5352 * rtl.c (mode_name): Add a null string at the end of the array.
5353 (mode_wider_mode): Change type to unsigned char.
5354 (mode_mask_array): New variable.
5355 (init_rtl): Update for mode_wider_mode type change.
5357 * rtl.h (mode_wider_mode): Change type to unsigned char.
5358 (mode_mask_array): Declare.
5359 (GET_MODE_MASK): Use mode_mask_array.
5361 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5363 * calls.c (expand_call) : Encapsulate code into
5364 copy_blkmode_from_reg.
5365 * expr.c (copy_blkmode_from_reg): New function.
5366 * expr.h (copy_blkmode_from_reg): New function.
5367 * integrate.c (function_cannot_inline_p): We can inline
5369 (expand_inline_function): Use copy_blkmode_from_reg
5370 if needed. Avoid creating BLKmode REGs.
5371 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5374 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5376 * config/v850/v850.c: Add function prototypes.
5377 Add support for v850 special data areas.
5379 * config/v850/v850.h: Add support for v850 special data areas.
5381 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5382 HANDLE_PRAGMA_PACK_PUSH_POP.
5383 (push_alignment): New function: Cache an alignment requested
5384 by a #pragma pack(push,<n>).
5385 (pop_alignment): New function: Pop an alignment from the
5387 (insert_pack_attributes): New function: Generate __packed__
5388 and __aligned__ attributes for new decls whilst a #pragma pack
5390 (add_weak): New function: Cache a #pragma weak directive.
5391 (handle_pragma_token): Document calling conventions. Add
5392 support for #pragma pack(push,<n>) and #pragma pack (pop).
5394 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5395 are defined enable HANDLE_PRAGMA_PACK.
5396 Move 'struct weak_syms' here (from varasm.c).
5397 Add pragma states for push and pop pragmas.
5399 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5402 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5403 HANDLE_GENERIC_PRAGMAS.
5405 * varasm.c: Move definition of 'struct weak_syms' into
5407 (handle_pragma_weak): Deleted.
5409 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5411 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5413 * c-decl.c (start_function): Add invocation of
5414 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5416 * tm.texi: Remove description of non-existant macro
5417 SET_DEFAULT_SECTION_NAME.
5419 (HANDLE_SYSV_PRAGMA): Document.
5420 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5422 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5424 * config.sub: Recognize i[34567]86-pc-udk as new target.
5425 * configure.in: Likewise.
5426 * config/i386/t-udk: New file.
5427 * config/i386/udk.h: New file.
5429 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5431 * reorg.c (check_annul_list_true_false): Remove unused variables.
5432 (steal_delay_list_from_target): Add missing "used_annul" variable.
5433 (try_merge_delay_insns): Close out half formed comment.
5435 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5437 * cpplib.c (macroexpand): If arg->raw_before or
5438 arg->raw_after, remove any no-reexpansion escape at the
5439 beginning of the pasted token. Correct handling of whitespace
5440 markers and no-reexpand markers at the end if arg->raw_after.
5442 * toplev.c (documented_lang_options): Recognize -include,
5443 -imacros, -iwithprefix, -iwithprefixbefore.
5444 * cpplib.c (cpp_start_read): Process -imacros and -include
5445 switches at the same time and in command-line order, after
5446 initializing the dependency-output code. Emit properly nested
5447 #line directives for them. Emit a #line for the main file
5448 before processing these switches, and don't do it again
5451 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5453 * function.c (purge_addressof_1): Use bitfield manipulation
5454 routines to handle mem mode < reg mode.
5456 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5458 * reorg.c (try_merge_delay_insns): Account for resources referenced
5459 in each instruction in INSN's delay list before trying to eliminate
5460 useless instructions. Similarly when looking at a trial insn's delay
5463 * reorg.c (check_annul_list_true_false): New function.
5464 (steal_delay_list_from_{target,fallthrough}): Call it and also
5465 refine tests for when we may annul if already filled a slot.
5466 (fill_slots_from_thread): Likewise.
5467 (delete_from_delay_slot): Return newly-created thread.
5468 (try_merge_delay_isns): Use its new return value.
5470 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5472 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5473 used to compute a giv or as some other non-counting use.
5475 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5477 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5478 * local-alloc.c (find_free_reg): Use it.
5479 * global.c (find_reg): Likewise.
5480 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5482 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5483 * caller-save.c (init_caller_save): Use it.
5484 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5486 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5488 * configure.in: Add --enable-cpplib option which uses cpplib
5489 for cpp, but doesn't link cpplib into cc1. Make help text
5490 capitalization consistent.
5491 * configure: Rebuilt.
5493 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5495 * function.c (gen_mem_addressof): If the address REG is
5496 REG_USERVAR_P make the new REG be so also.
5497 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5498 in an attempt to clarify slightly.
5500 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5502 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5503 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5505 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5507 * toplev.c: Fix last patch.
5509 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5511 * loop.c (get_condition): Fix typo in May 9 change.
5513 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5515 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5517 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5519 * toplev.c (documented_lang_options): Spelling corrections.
5521 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5523 * configure.in: new flags --with-ld and --with-as, equivalent
5524 to setting LD and AS environment variables. Test whether
5525 specified arguments are GNU commands, and report them with
5526 checking messages. Use the specified AS for configure
5529 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5531 * gcc.c (find_a_file): when looking for `as' and `ld', return
5532 the DEFAULT program if it exists
5533 * collect2.c (main): use DEFAULT_LINKER if it exists
5535 * gcc.c (find_a_file): the test for existence of a full
5536 pathname was reversed
5538 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5540 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5541 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5543 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5545 * tree.h (TYPE_BINFO): Document.
5547 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5549 * i386-coff.h (dbxcoff.h): Added.
5551 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5553 * toplev.c: fix bad patch around flag_data_sections.
5555 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5557 * reload1.c (reload): Use reload_address_index_reg_class and
5558 reload_address_base_reg_class when setting
5559 caller_save_spill_class. (Patch generated by Jim Wilson:
5562 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5564 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5565 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5566 * expr.c (store_field): Add alias_set parameter. Set the
5567 MEM_ALIAS_SET accordingly, if the target is a MEM.
5568 (expand_assignment): Use it.
5569 (store_constructor_field): Pass 0.
5570 (expand_expr): Likewise.
5572 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5574 * flags.h: Add flag_data_sections.
5575 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5576 (compile_file): Error if flag_data_sections not supported.
5577 * varasm.c (assemble_variable): Handle flag_data_sections.
5578 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5579 * config/mips/elf.h: Likewise.
5580 * config/mips/elf64.h: Likewise.
5581 * invoke.texi: Describe -fdata-sections.
5583 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5585 * invoke.texi (-ffloat-store): Clarify that this option
5586 does not affect intermediate results -- only variables.
5588 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5590 * cpp.texi: Update for Fortran usage from Craig.
5592 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5594 * rs6000.c (function_arg_boundary): Revert accidental change on
5597 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5599 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5600 (output_mi_thunk): Declare.
5602 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5603 (output_function_profiler): Use r12 for temp, instead of r11 so
5604 that we preserve the static chain register.
5606 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5608 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5610 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5612 * sh.c (gen_shl_sext): Fix case 5.
5614 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5616 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5618 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5620 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5621 accessing variables until they are initialized via va_arg().
5623 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5625 * reload1.c (reload_combine): Initialize set before using.
5627 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5629 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5632 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5634 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5635 operand3 with mask before using it. Patch provided by Jim Wilson.
5637 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5639 * config/sparc/sparc.c (function_value): Perform the equivalent of
5640 PROMOTE_MODE for ARCH64.
5641 (eligible_for_epilogue_delay): Allow DImode operations in delay
5642 slot of a return for ARCH64.
5644 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5646 * sh.md (sqrtsf2): Fix mode of sqrt.
5648 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5650 * reload1.c (choose_reload_regs): Also try inheritance when
5651 reload_in is a stack slot of a pseudo, even if we already got a
5654 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5656 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5657 (reload_cse_regs): New function body: call reload_cse_regs_1,
5658 reload_combine, reload_cse_move2add.
5659 When doing expensive_optimizations, call reload_cse_regs_1 a
5660 second time after reload_cse_move2add.
5661 (reload_combine, reload_combine_note_store): New functions.
5662 (reload_combine_note_use): New function.
5663 (reload_cse_move2add, move2add_note_store): New functions.
5665 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5667 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5668 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5670 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5671 more than 3 such reloads.
5673 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5674 RELOAD_FOR_X_ADDR_ADDR reload.
5676 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5678 * expr.c (store_constructor): When initializing a field that is smaller
5679 than a word, at the start of a word, try to widen it to a full word.
5681 * cse.c (cse_insn): When we are about to change a register,
5682 remove any invalid references to it.
5684 (remove_invalid_subreg_refs): New function.
5685 (mention_regs): Special treatment for SUBREGs.
5686 (insert_regs): Don't strip SUBREG for call to mention_regs.
5687 Check if reg_tick needs to be bumped up before that call.
5688 (lookup_as_function): Try to match known word_mode constants when
5689 looking for a norrower constant.
5690 (canon_hash): Special treatment for SUBREGs.
5692 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5694 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5695 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5696 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5697 and offsets in actual stack trampoline code so they match the
5698 commentary and actually work.
5700 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5702 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5704 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5705 tmake_file. Set extra_parts to needed crt objects.
5706 * configure: Rebuilt.
5707 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5708 (TARGET_DEFAULT): Set if default is v9 or ultra.
5709 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5710 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5711 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5712 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5713 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5714 (TARGET_VERSION): Define.
5715 (MULTILIB_DEFAULT): Define.
5716 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5717 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5718 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5720 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5721 * config/sparc/sparc.c (sparc_override_options): If arch and
5722 pointer size disagree, emit diagnostic and fix it up. If
5723 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5724 V8PLUS in 64-bit mode.
5725 * config/sparc/t-linux64: New file.
5726 * config/sparc/t-sol2-64: New file.
5727 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5728 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5729 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5730 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5731 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5732 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5734 (STARTFILE_SPEC): Set approriately based upon those.
5735 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5736 disposition of DEFAULT_ARCH32_P.
5737 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5738 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5739 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5740 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5741 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5743 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5745 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5747 * rtl.h (init_virtual_regs): New function.
5748 * emit-rtl.c (init_virtual_regs): Define.
5749 (insn_emit): Use it.
5750 * integrate.c (save_for_inline_copying): Likewise.
5752 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5754 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5755 (enum reg_class): Add NONARG_LO_REGS support.
5756 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5757 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5758 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5759 completes. Re-enable HImode REG+OFFSET addresses.
5760 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5762 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5764 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5766 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5767 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5768 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5770 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5772 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5773 jumps as a single entity, taking into account the size of the
5776 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5778 * tree.def (SWITCH_EXPR): New tree node definition.
5780 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5782 * version.c: Bump for snapshot.
5784 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5786 * version.c: Bump for snapshot.
5788 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5790 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5793 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5795 * Revert this patch.
5796 * reload.c (find_reloads): Do not replace a pseudo with
5797 (MEM (reg_equiv_addr)) in the initializing insn for the
5800 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5802 * final.c (final_scan_insn): Disable tracking CC across branches.
5804 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5806 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5807 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5808 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5809 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5810 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5812 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5814 * toplev.c (rest_of_compilation): Skip compiling anything with
5815 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5817 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5819 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5820 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5821 use in_libcall_block.
5822 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5823 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5826 Mon Sep 21 14:02:23 1998
5828 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5829 typo in no-fancy-math-387 description.
5831 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5833 * version.c: Bump for snapshot.
5835 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5837 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5839 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5841 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5842 documented in install.texi.
5843 (TARGET_OPTIONS) Likewise.
5845 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5847 * version.c: Bump for snapshot.
5849 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5851 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5852 * cccp.c (main): Likewise.
5854 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5855 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5858 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5860 * Makefile.in (LIBS): Link in libiberty.a.
5861 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5863 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5865 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5866 it to update bb boundaries. Update caller.
5867 * function.c (reposition_prologue_and_epilogue_notes): Update
5868 bb boundaries wrt the moved note.
5870 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5872 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5874 * configure: Regenerate.
5876 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5878 * alpha.c (alpha_sr_alias_set): New variable.
5879 (override_options): Set it.
5880 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5881 (mode_mask_operand): Fix signed-unsigned comparision warning.
5882 (alpha_expand_block_move): Likewise.
5883 (print_operand): Likewise.
5884 (get_aligned_mem): Use change_address.
5885 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5886 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5887 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5888 (alpha_align_insns): Remade from old alphaev5_align_insns
5889 to handle multiple processors.
5890 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5891 * output.h (label_to_alignment): Prototype.
5893 * tree.c (new_alias_set): New function.
5894 * tree.h (new_alias_set): Declare it.
5895 * c-common.c (c_get_alias_set): Use it.
5897 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5899 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5900 to an ABS expr, convert an unsigned input to signed.
5902 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5904 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5906 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5908 * configure.in: Add support for c4x targets.
5909 * configure: Rebuilt.
5911 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5913 * combine.c (distribute_notes): If an insn is a cc0 user, only
5914 delete it if we can also delete the cc0 setter.
5916 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5918 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5919 (invert_truthvalue): Enable truthvalue inversion for
5920 floating-point operands if -ffast-math.
5922 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5924 * configure.in: Disable collect2 for nextstep. Instead use
5926 * configure: Rebuilt.
5927 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5928 (ENDFILE_SPEC): Define.
5929 (OBJECT_FORMAT_MACHO): Define.
5930 (EH_FRAME_SECTION_ASM_OP): Define.
5931 * crtstuff.c: Handle MACHO.
5933 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5935 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5937 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5939 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5940 (_fpadd_parts): Get sign right for 0.
5942 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5944 * ginclude/varargs.h: Add support for C4x target.
5945 * ginclude/stdargs.h: Likewise.
5947 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5949 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5950 (alpha_emit_set_long_const): Rewrite to be callable from reload
5952 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5953 * alpha.md (movdi): Likewise.
5955 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5957 * arm.c (add_constant): New parameter address_only, change caller.
5958 Set it non-zero if taking the address of an item in the pool.
5959 (arm_reorg): Handle cases where we need the address of an item in
5962 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5964 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5965 memory addresses that are not in standard canonical form.
5967 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5969 * README.C4X: New file with information about the c4x ports.
5970 * ginclude/va-c4x.h: New file for c4x varargs support.
5971 * config/c4x: New directory with c4x port files.
5973 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5975 * reload.c (find_reloads): Do not replace a pseudo with
5976 (MEM (reg_equiv_addr)) in the initializing insn for the
5979 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5981 * toplev.c (rest_of_compilation): Set bct_p on second call to
5983 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5985 (strength_reduce): Only call analyze_loop_iterations and
5986 insert_bct if bct_p set.
5987 (check_dbra_loop): Fix typo.
5988 (insert_bct): Use word_mode instead of SImode.
5989 (instrument_loop_bct): Likewise. Do not delete iteration count
5990 condition code generation insn. Initialize iteration count before
5992 * rtl.h (loop_optimize): Update prototype.
5994 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5995 not doubleword aligned.
5997 * rs6000.c (optimization_options): New function.
5998 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5999 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6000 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6001 first; cr1 can be used for FP record condition insns.
6003 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6005 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6008 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6011 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6013 (block_move_call): New function: Call a library routine to copy a
6015 (m32r_expand_block_move): New function: Expand a "movstrsi"
6016 pattern into a sequence of insns.
6017 (m32r_output_block_move): New function: Expand a
6018 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6019 (m32r_block_immediate_operand): New function: Return true if the
6020 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6022 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6024 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6026 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6028 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6030 * regmove.c (copy_src_to_dest): Check that modes match.
6032 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6034 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6036 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6038 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6039 narrower than FLOAT_REGS.
6041 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6043 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6045 * Makefile.in (old_gxx_include_dir): removed
6047 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6049 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6052 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6053 (sh_handle_pragma): Change function arguments to match new
6054 specification for HANDLE_PRAGMA.
6056 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6058 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6060 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6061 When generating output, initialize missing struct member to zero.
6063 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6065 * regmove.c (copy_src_to_dest): Don't copy if that requires
6066 (a) new register(s).
6068 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6070 * global.c (reg_allocno): Now static.
6071 * reload1.c (reg_allocno): Delete declaration.
6072 (order_regs_for_reload): Take no arguments. Don't treat regs
6073 allocated by global differently than those allocated by local-alloc.
6075 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6077 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6078 condition, fix format strings.
6079 (output_function_epilogue): Likewise.
6081 * m68k/m68k.c: Don't include <stdlib.h> directly.
6083 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6085 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6086 mem_first_set, mem_last_set; because 0 can be a CUID.
6087 (oprs_unchanged_p): Use new definition.
6088 (record_last_reg_set_info): Likewise.
6089 (record_last_mem_set_info): Likewise.
6090 (compute_hash_table): Likewise.
6092 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6094 * rs6000.c (output_epilogue): Handle Chill.
6096 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6097 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6099 * combine.c (make_extraction): If no mode is specified for
6100 an operand of insv, extv, or extzv, default it to word_mode.
6101 (simplify_comparison): Similarly.
6102 * expmed.c (store_bit_field): Similarly.
6103 (extract_bit_field): Similarly.
6104 * function.c (fixup_var_regs_1): Similarly.
6105 * recog.c (validate_replace_rtx_1): Similarly.
6106 * mips.md (extv, extzv, insv expanders): Default modes for most
6107 operands. Handle TARGET_64BIT.
6108 (movdi_uld, movdi_usd): New patterns.
6110 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6111 equivalent memory location unless we have been provided a scratch
6112 register. Similarly do not call find_replacement unless a
6113 scratch register has been provided.
6115 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6117 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6120 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6122 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6123 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6124 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6125 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6126 * c-decl.c (init_decl_processing): Update accordingly.
6127 * expr.c (expand_builtin): Likewise.
6129 * rtl.h (global_rtl): Add cfa entry.
6130 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6131 (LAST_VIRTUAL_REGISTER): Update.
6132 * emit-rtl.c (global_rtl): Add cfa entry.
6133 (init_emit): Initialize it.
6134 * function.c (cfa_offset): New.
6135 (instantiate_virtual_regs): Initialize it.
6136 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6137 (expand_function_end): Call expand_eh_return.
6138 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6140 * except.c (current_function_eh_stub_label): Kill.
6141 (current_function_eh_old_stub_label): Likwise; update all references.
6142 (expand_builtin_set_return_addr_reg): Kill.
6143 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6144 (expand_builtin_set_eh_regs): Kill.
6145 (eh_regs): Produce a third reg for the actual handler address.
6146 (eh_return_context, eh_return_stack_adjust): New.
6147 (eh_return_handler, eh_return_stub_label): New.
6148 (init_eh_for_function): Initialize them.
6149 (expand_builtin_eh_return, expand_eh_return): New.
6150 * except.h: Update prototypes.
6151 * flow.c (find_basic_blocks_1): Update references to the stub label.
6152 * function.h (struct function): Kill stub label elements.
6154 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6155 register number is one that would be in the previous window.
6156 Provide a dummy definition for non-windowed targets.
6157 (get_reg_addr): New function.
6158 (get_reg, put_reg, copy_reg): Use it.
6159 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6160 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6162 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6163 (alpha_init_expanders): Initialize it.
6164 (alpha_expand_epilogue): Use it.
6165 * alpha.h: Declare it.
6166 * alpha.md (eh_epilogue): New.
6168 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6169 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6171 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6173 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6176 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6178 * except.h (struct eh_entry): Add false_label field.
6179 (end_catch_handler): Add prototype.
6180 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6181 (start_catch_handler): When using old style exceptions, issue
6182 runtime typematch code before continuing with the handler.
6183 (end_catch_handler): New function, generates label after handler
6184 if needed by older style exceptions.
6185 (expand_start_all_catch): No need to check for new style exceptions.
6186 (output_exception_table_entry): Only output the first handler label
6187 for old style exceptions.
6188 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6189 mechanism into one function, if a runtime matcher is provided.
6191 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6193 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6195 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6197 * integrate.c (copy_decl_list): Fix typo.
6199 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6201 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6204 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6206 * version.c: Bump for snapshot.
6208 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6210 * version.c: Bump for snapshot.
6212 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6214 * version.c: Bump for snapshot.
6216 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6218 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6220 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6222 * configure.in: remove usage of `!' to negate the result of a
6223 command; some common shells do not support it
6225 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6227 * configure.in: in sparc9-sol2 config, use 'if test' not
6229 * configure: Rebuilt.
6231 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6233 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6234 (CPP_CPU_DEFAULT_SPEC): Likewise.
6235 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6236 for arch64 libfuncs.
6238 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6241 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6243 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6245 * collect2.c: Don't declare `sys_siglist' here.
6246 (my_strsignal): Prototype and define new function. Use it in
6247 place of `sys_siglist' hacks.
6249 * mips_tfile.c: Likewise.
6251 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6252 (GCC_NEED_DECLARATIONS): Likewise.
6254 * system.h (strsignal): Prototype it, if necessary.
6255 (sys_siglist): Declare it, if necessary.
6257 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6259 * loop.c (move_movables): While removing insn sequences, preserve
6260 the next pointer of the most recently deleted insn when we skip
6263 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6265 * objc/config-lang.in: Do not output the name of the selected
6266 thread file when building the front-end. The Makefile for the
6267 runtime library will do this.
6269 * objc/Make-lang.in: Do not build the runtime library or install
6270 the Objective C header files. The Makefile for the runtime
6271 library will do this.
6273 * objc/Makefile.in (all.indirect): Only build the front-end.
6274 (compiler): Rename to `frontend'.
6275 (obj-runtime): Remove target.
6276 (copy-headers): Likewise.
6277 (clean): No need to remove `libobjc.a' any longer.
6279 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6281 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6282 supported with -mcpu=xxx.
6284 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6286 * flow.c (mark_set_1): Recognize multi-register structure return
6287 values in CALL insns.
6288 (mark_used_regs): Likewise.
6289 (count_reg_sets_1): Likewise.
6290 (count_reg_references): Likewise.
6291 * rtlanal.c (note_stores): Likewise.
6292 (reg_overlap_mentioned_p): Likewise.
6293 * haifa-sched.c (check_live_1): Likewise.
6294 (update_live_1): Likewise.
6295 (sched_analyze_1): Likewise.
6296 (sched_note_set): Likewise.
6297 (birthing_insn_p): Likewise.
6298 (attach_deaths): Likewise.
6300 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6303 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6305 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6307 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6309 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6311 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6313 * configure.in: Add check for GAS subsection -1 support.
6314 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6315 * configure config.in: Rebuilt.
6316 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6317 SImode is subsection -1 works, else use DImode.
6318 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6319 subsection -1 works.
6320 * config/sparc/sparc.c (sparc_output_addr_vec,
6321 sparc_output_addr_diff_vec): Use them if defined.
6323 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6325 * tree.h (DECL_ORIGIN): New macro.
6326 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6327 (copy_decl_list): Use it.
6328 (integrate_parm_decls): Likewise.
6329 (integrate_decl_tree): Likewise.
6330 * dwarf2out.c (decl_ultimate_origin): Simplify.
6331 * dwarfout.c (decl_ultimate_origin): Likewise.
6332 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6333 (pushdecl): Likewise.
6335 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6337 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6339 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6341 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6343 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6345 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6346 empty or has a single entry.
6348 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6349 before calling reg_to_stack.
6351 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6353 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6354 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6356 * c-tree.h (warn_long_long): Declare it.
6358 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6360 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6361 initialized float-int union if the value is a NaN.
6363 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6365 * c-lex.c (real_yylex): Don't warn about long long constants if
6366 we're allowing long long
6368 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6370 * except.h (current_function_eh_stub_label): Declare.
6371 (current_function_eh_old_stub_label): Declare.
6372 * function.h (struct function): New members eh_stub_label and
6374 * except.c (current_function_eh_stub_label): New variable.
6375 (current_function_eh_old_stub_label): New variable.
6376 (init_eh_for_function): Clear them.
6377 (save_eh_status): Save them.
6378 (restore_eh_status): Restore them.
6379 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6380 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6381 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6382 make an edge from the block that contains it to the block starting
6383 with the label if this label is one of the eh stub labels.
6384 If eh stub labels exist, show they are reachable from the last block
6387 * reload1.c (reload): Break out several subroutines and make some
6389 (calculate_needs_all_insns): New function, broken out of reload.
6390 (calculate_needs): Likewise.
6391 (find_reload_regs): Likewise.
6392 (find_group): Likewise.
6393 (find_tworeg_group): Likewise.
6394 (something_needs_reloads): New global variable, formerly in reload.
6395 (something_needs_elimination): Likewise.
6396 (caller_save_spill_class): Likewise.
6397 (caller_save_group_size): Likewise.
6398 (max_needs): Likewise.
6399 (group_size): Likewise.
6400 (max_groups): Likewise.
6401 (max_nongroups): Likewise.
6402 (group_mode): Likewise.
6403 (max_needs_insn): Likewise.
6404 (max_groups_insn): Likewise.
6405 (max_nongroups_insn): Likewise.
6406 (failure): Likewise.
6408 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6410 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6412 * loop.c (load_mems): Copy rtx for output mem.
6414 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6416 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6417 mips1 or mips2 either.
6419 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6421 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6423 (pa_adjust_insn_length): Update to work with new marking scheme
6424 for jumps inside switch tables.
6425 * pa.md (switch_jump): Remove pattern.
6426 (jump): Handle jumps inside jump tables.
6428 * Makefile.in (profile.o): Depend on insn-config.h
6430 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6432 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6434 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6436 Add preliminary native sparcv9 Solaris support.
6437 * configure.in: Recognize sparv9-*-solaris2*
6438 * configure: rebuilt
6439 * config.sub: Recognize sparcv9 just like sparc64.
6440 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6441 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6442 32-bit and 64-bit Solaris systems.
6443 * config/sparc/t-sol2: Assemble those with cpp.
6444 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6445 (*TF*_LIBCALL): If ARCH64 use V9 names.
6446 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6448 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6450 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6451 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6453 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6455 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6456 to Pmode if CASE_VECTOR_MODE is something else.
6458 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6460 * prefix.c (update_path): Correctly handle cases where PATH is
6461 a substring of the builtin prefix, but specifies a different
6464 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6466 * expr.c: Corrected comment about what MOVE_RATIO does.
6467 * config/alpha/alpha.h: Ditto.
6468 * config/1750a/1750a.h: Ditto.
6469 * config/clipper/clipper.h: Ditto.
6470 * config/i386/i386.h: Ditto.
6472 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6474 * configure.in (m68k-next-nextstep3*): Use collect2.
6475 Similarly for x86 NeXT configurations.
6476 * configure: Rebuilt.
6478 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6480 * configure.in: Don't assume srcdir is .../gcc
6481 * configure: Rebuilt.
6483 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6485 * global.c: Update comments.
6486 (global_alloc): Assign allocation-numbers
6487 even for registers allocated by local_alloc in case
6488 they are later spilled and retry_global_alloc is called.
6489 (mark_reg_store, mark_reg_clobber,
6490 mark_reg_conflicts, mark_reg_death): Always record a
6491 conflict with a pseudo register even if it has been
6492 assigned to a hard register.
6493 (dump_conflicts): Don't list pseudo registers already assigned to
6494 a hard register as needing to be allocated, but do list their
6496 * local-alloc.c: Update comment.
6498 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6500 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6501 * configure: Rebuilt.
6503 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6505 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6507 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6508 for all targets that set -msoft-float.
6510 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6512 * toplev.c (print_switch_values): Make static to match prototype.
6514 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6516 * configure.in: If we are unable to find the "gnatbind" program,
6517 then do not configure the ada subdir.
6518 * configure: Rebuilt.
6520 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6522 * version.c: Bump for snapshot.
6524 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6526 * version.c: Bump for snapshot.
6528 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6530 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6531 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6533 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6535 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6537 * genextract.c: Have insn-extract.c include toplev.h.
6539 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6541 * toplev.c: Include expr.h.
6542 (really_sorry, fancy_abort): Remove prototypes.
6543 (set_target_switch): Add argument in prototype.
6544 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6545 (v_really_sorry): Likewise.
6546 (print_version, print_single_switch, print_switch_values): Make
6547 static and add prototype arguments.
6548 (decl_printable_name): Add prototype arguments.
6549 (lang_expand_expr_t): New typedef.
6550 (lang_expand_expr): Declare as a lang_expand_expr_t.
6551 (incomplete_decl_finalize_hook): Add prototype argument.
6552 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6553 (botch): Likewise for variable `s'.
6554 (rest_of_type_compilation): Mark variables `type' and `toplev'
6555 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6556 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6557 (display_help): Make variable `i' an `unsigned long'.
6558 (main): Remove unused parameter `envp'.
6559 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6560 Cast -1 when comparing it with a `size_t'.
6562 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6563 prototype with ATTRIBUTE_NORETURN.
6564 (fatal_insn_not_found, fatal_insn, really_sorry,
6565 push_float_handler, pop_float_handler): Add prototypes.
6566 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6567 (do_abort, botch): Add prototypes.
6569 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6571 * final.c (final): If a label is reached only from a single jump,
6572 call NOTICE_UPDATE_CC on the jump and its predecessor before
6573 emitting the insn after the label.
6575 * i386.h: Add AMD K6 support.
6576 Change TARGET_* macros to use table lookup.
6577 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6578 (ADJUST_COST): Change definition to call function in i386.c.
6579 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6580 * i386.c: Add AMD K6 support.
6581 Add constants for feature tests used by TARGET_* macros.
6582 (split_di): If before reload, call gen_lowpart and gen_highpart.
6583 (x86_adjust_cost): New function.
6584 (put_jump_code): New function.
6585 (print_operand): New codes 'D' and 'd'.
6586 * i386.md: New insn types. New insn attribute "memory".
6587 Redefine scheduling parameters to use new types and add AMD K6
6588 support. Explicitly set type of most insns.
6589 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6590 Pro and K6 prefer movl $1,reg to incl reg.
6591 (adddi3, subdi3): Set cc_status.
6592 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6593 to int; x86 can't have more than 2^31 DImode shifts per file.
6594 (setcc): Combine all setcc patterns. Allow writing memory.
6595 Combine all jump patterns using match_operator.
6596 (*bzero): Name pattern. Emit mutliple stos instructions when that
6597 is faster than rep stos.
6598 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6601 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6603 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6606 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6608 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6609 not whatever we're generating now.
6611 * alpha.c (set_frame_related_p, FRP): New.
6612 (alpha_expand_prologue): Mark frame related insns.
6613 (alpha_expand_epilogue): Likewise, but with a null FRP.
6614 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6615 * alpha.md (exception_receiver): New.
6616 * alpha/crtbegin.asm (.eh_frame): New beginning.
6617 (__do_frame_setup, __do_frame_takedown): New.
6618 * alpha/crtend.asm (.eh_frame): New ending.
6619 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6620 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6621 (ASM_FILE_START): Don't emit .file for dwarf2.
6623 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6624 * rtl.c (reg_note_name): Likewise.
6625 * rtl.texi (REG_NOTES): Likewise.
6626 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6629 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6631 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6632 * i386.md (movsf, movdf, movxf): Validate memory address returned
6633 from force_const_mem. Kill useless REG_EQUAL setting code.
6635 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6637 * m68k.md (zero_extendsidi2): Fix typo.
6639 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6641 * configure.in: Removed references to the removed file
6642 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6643 * arm*-*-netbsd* and ns32k-*-netbsd*.
6644 * config/i386/xm-netbsd.h: Removed unnecessary file.
6645 * config/m68k/xm-netbsd.h: Likewise.
6646 * config/sparc/xm-netbsd.h: Likewise.
6647 * config/mips/xm-netbsd.h: Likewise.
6649 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6651 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6652 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6654 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6655 for exact section attributions.
6657 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6659 * i386/crtdll.h (CPP_PREDEFINES): Define.
6661 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6663 * m68k.md (5200 movqi): Do not allow byte sized memory references
6665 * m68k.c (output_move_qimode): Do not use byte sized operations on
6668 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6669 explicit rules for building. Similarly for alloca, vfprintf,
6670 choose-temp and mkstemp, getopt, getopt1, and obstack.
6671 (INCLUDES): Add $(srcdir)/../include.
6672 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6673 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6675 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6677 * gcc.c (do_spec_1): [case 'o'] Account for
6678 lang_specific_extra_outfiles.
6679 (main): Correctly clear all slots in outfiles for
6680 lang_specific_extra_outfiles. Set input_file_number before
6681 calling lang_specific_pre_link.
6683 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6685 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6687 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6689 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6691 (sparc_output_deferred_case_vectors): If no work to do, return.
6692 Fix thinko in Sept 1 change.
6694 1998-09-03 SL Baur <steve@altair.xemacs.org>
6696 * Makefile.in: add semicolon in BISON definition for portability.
6698 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6700 * config/nextstep.c (handle_pragma): Correct name of third
6703 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6705 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6706 * config/m32r/m32r.h: Make register 17 be fixed.
6707 * config/m32r/m32r.c: Use SImode for cc operations.
6709 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6711 * invoke.texi (Warning Options): Add -Wnon-template-friend
6714 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6716 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6718 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6720 * rs6000.md (movsf): Disable explicit secondary-reload-like
6721 functionality if TARGET_POWERPC64.
6722 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6725 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6727 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6728 and term.h from fixinc.wrap.
6730 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6732 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6733 safe to include both string.h and strings.h together.
6734 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6735 which headers to search for function declarations. Continue to
6736 prefer string.h over strings.h when both are not acceptable.
6738 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6740 * configure.in: Call GCC_HEADER_STRING.
6742 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6743 to include. Continue to prefer string.h over strings.h when both
6746 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6748 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6749 not assume top 32-bits of symbolic addresses are zero if
6752 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6754 * ginclude/va-alpha.h: Protect entire second portion of the
6755 file against double inclusion.
6757 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6759 Added support for the Boehm's garbage collector.
6760 * configure.in: Handle --enable-objc-gc.
6761 * configure: Rebuilt.
6762 * Makefile.in (CHECK_TARGETS): Add check-objc.
6763 (check-objc): New rule.
6764 * objc/Make-lang.in: Build a different Objective-C library that
6765 runs with the Boehm's collector.
6766 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6767 * objc/encoding.c: Correctly compute the size of compound types in
6768 the presence of bitfields. Skip the variable name of the type if
6769 any. Added support for long long.
6770 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6771 (_F_GCINVISIBLE): New mask.
6772 * objc/gc.c: New file. Compute the type memory mask associated with
6773 a class based on the runtime information.
6774 * objc/misc.c: Added the hooks that use the Boehm's collector
6775 allocation functions.
6776 * objc/objc-act.c (build_class_template): Generate a new class
6777 member (gc_object_type) to hold the class' type memory mask.
6778 (build_shared_structure_initializer): Initialize the new member to
6780 (encode_complete_bitfield): New function. Generate the new
6782 (encode_field_decl): Generate the new encoding only for the GNU
6784 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6786 (class_get_gc_object_type): New function to mark a pointer instance
6787 variable as a weak pointer.
6788 * objc/objc-features.texi: New file.
6789 * objc/objc.h (gc_object_type): New class member.
6790 * objc/objects.c (class_create_instance): Create a typed memory
6791 object when compiled with Boehm's collector support.
6792 * objc/sendmsg.c (__objc_init_install_dtable): Call
6793 __objc_send_initialize instead of setting the initialize flag.
6794 (__objc_send_initialize): Call __objc_generate_gc_type_description
6795 to generate the class type memory mask. Rewrite the code that
6796 sends the +initialize so that it is called only once (bug report
6797 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6798 * testsuite/objc: New testsuite for Objective-C type encoding.
6799 * testsuite/lib/objc-torture.exp: New file.
6800 * testsuite/lib/objc.exp: New file.
6802 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6804 * jump.c (jump_optimize): In if/then/else transformations, add
6805 another call to modified_between_p for the jump insn.
6807 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6809 * fix-header.c (symlink): Treat like readlink.
6811 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6813 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6816 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6818 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6819 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6820 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6822 * config/nextstep.c (handle_pragma): Take three arguments, as per
6823 the new HANDLE_PRAGMA macro specification.
6824 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6825 per the new HANDLE_PRAGMA macro specification.
6826 * config/i960/i960.c (process_pragma): Take three arguments, as
6827 per the new HANDLE_PRAGMA macro specification.
6829 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6831 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6832 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6833 if unknown pragmas are encountered.
6834 (handle_sysv_pragma): Interpret return code from
6835 handle_pragma_token (). Return success/failure indication rather
6836 than next unprocessed character.
6837 (pragma_getc): New function: retrieves characters from the
6838 input stream. Defined when HANDLE_PRAGMA is enabled.
6839 (pragma_ungetc): New function: replaces characters back into the
6840 input stream. Defined when HANDLE_PRAGMA is enabled.
6842 * c-pragma.c (handle_pragma_token): Return success/failure status
6845 * c-pragma.h: Change prototype of handle_pragma_token().
6847 * varasm.c: (handle_pragma_weak): Only create this function if
6848 HANDLE_PRAGMA_WEAK is defined.
6850 * c-common,c (decl_attributes): If defined call the expression
6851 contained within the INSERT_ATTRIBUTES macro before adding
6852 attributes to a decl.
6854 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6855 HANDLE_PRAGMA, which takes three arguments.
6856 (INSERT_ATTRIBUTES): Document this new macro.
6858 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6859 new INSERT_ATTRIBUTES macro.
6861 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6863 * config/sparc/sparc.md (movdf): Only generate special RTL for
6864 LABEL_REFs when PIC.
6865 (move_label_di): Remove
6866 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6867 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6868 references when PIC.
6869 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6870 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6871 output an .xword for all 64-bit cases.
6873 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6875 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6876 alignment, use FUNCTION_BOUNDARY instead.
6877 (sparc_output_deferred_case_vectors): Likewise.
6879 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6881 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6882 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6884 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6886 * alpha/va_list.h: New file.
6887 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6889 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6891 * NEWS: Add SCO Openserver and Unixware 7 notes.
6895 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6897 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6898 (record_constant_1): Handle RANGE_EXPR.
6900 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6902 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6903 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6904 and NOTE_INSN_RANGE_END specially.
6905 (reemit_notes): Likewise.
6907 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6909 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6910 (ultrasparc_sched_init): Remove unneeded &.
6912 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6914 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6915 for m68020-60, to prevent the use of fintrz.
6917 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6919 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6921 * Makefile.in: Likewise.
6922 * configure: Regenerated.
6924 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6926 * configure.in (gxx_include_dir): Changed to
6927 '${prefix}/include/g++'-${libstdcxx_interface}.
6928 * configure: Rebuilt.
6930 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6932 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6934 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6935 *sequences* *below* which scalar moves will be used.
6937 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6939 * collect2.c (mktemp): Delete unused declaration.
6941 * config/xm-netbsd.h: Remove unnecessary file.
6942 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6943 file anymore, it is not needed.
6945 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6947 * convert.c (convert_to_integer): Issue an error on conversions to
6950 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6952 * Makefile.in: Add lang_tree_files and gencheck.h.
6953 * configure.in: Generate them.
6954 * gencheck.c: Include gencheck.h.
6956 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6958 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6959 movdi_lo_sum_pic and movdi_high_pic and make visible.
6960 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6961 emit these when Pmode is not SImode.
6962 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6964 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6966 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6967 .linkonce directive after the first time.
6969 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6971 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6972 the clobbered operand overlaps with an input.
6973 (bne0_di): Similarly.
6975 * Makefile.in (INSTALL): Remove "--no-header" argument.
6977 * NEWS: Various updates.
6979 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6981 * config/sparc/sparc.c (arith_operand, const64_operand,
6982 const64_high_operand, arith_double_4096_operand): Mark mode as
6984 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6986 (sparc_emit_set_const64): Remove unused variable i.
6987 (sparc_splitdi_legitimate): Likewise for addr_part.
6988 (ultra_code_from_mask): Likewise for mask.
6989 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6990 reverse return values so it matches usage and comments.
6991 (ultra_flush_pipeline): Likewise.
6992 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6993 this_type, and allow loads and stores of differing FP modes as
6994 they do not create a conflict.
6995 (ultra_find_type): Initialize fpmode to SFmode, fix
6996 parenthesization thinkos in large conditional.
6997 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6998 Init free_slot_mask after ultra_cur_hist is reset, not before.
6999 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7000 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7001 use ultra_flush_pipeline instead, then re-init group pointer.
7002 Fix statement with no effect. If no progress made in, and no
7003 instructions scheduled at all, advance to new pipeline cycle else
7004 we get into an endless loop.
7005 (ultrasparc_adjust_cost): Remove previous arg.
7006 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7008 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7010 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7011 code. Use reg_overlap_mentioned_p to detect when source and
7012 destination overlap.
7013 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7015 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7017 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7018 COMPARISON_VAL, into invariant_p.
7020 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7022 * regmove.c (regclass_compatible_p): New function.
7023 (regmove_optimize): Use it.
7025 Use NREGS parameter insted of calling max_reg_num.
7027 (fixup_match_1): Don't use code = MINUS when later tieing with
7028 a hard register is likely.
7030 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7032 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7033 COMPARISON_VAL was normalized.
7035 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7037 * loop.c (check_dbra_loop): The loop ending comparison value
7038 must be an invariant or we can not reverse the loop.
7040 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7041 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7043 (load_mems_and_recount_loop_regs_set): Likewise.
7045 * i386.c (print_operand): Remove obsolete 'c' docs.
7047 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7049 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7050 * frame.c (init_object_mutex): New function.
7051 (init_object_mutex_once): Likewise.
7052 (find_fde): Call it.
7053 (__register_frame_info): Likewise.
7054 (__register_frame_info_table): Likewise.
7055 (__deregister_frame_info): Likewise.
7057 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7059 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7061 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7063 * loop.c (check_dbra_loop): Enable code for reversal
7064 of some loops without a known constant loop end.
7066 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7068 * haifa-sched.c (last_clock_var): New.
7069 (schedule_block): Initialize it.
7070 (schedule_insn): Use it to fill insn modes with issue information.
7072 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7073 Tag trapb and next insn with TImode.
7074 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7075 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7076 Invoke alphaev5_align_insns as appropriate.
7077 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7078 (MD_SCHED_VARIABLE_ISSUE): New.
7079 * alpha.md (attr type): Add multi.
7080 (define_asm_attributes): New.
7081 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7082 (arg_home): Likewise.
7083 (fnop, unop, realign): New.
7085 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7087 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7088 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7090 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7091 (rs6000-ibm-aix4.[12]*): Likewise.
7092 * configure: Regnerate.
7094 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7096 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7097 already contains the return address.
7099 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7101 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7102 word sized hunks when loading unaligned args into registers.
7104 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7105 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7107 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7109 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7111 * loop.c (check_dbra_loop): Add some code that would allow reversal
7112 of some loops without a known constant loop end if it were enabled.
7114 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7116 * mips.md (lshrsi3_internal2+2): Fix type-o.
7118 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7120 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7121 correctly with regards to stdio.h.
7123 * calls.c: Remove stdarg.h/varargs.h.
7126 * combine.c: Likewise.
7127 * cpperror.c: Likewise.
7128 * cpplib.c: Likewise.
7129 * cpplib.h: Likewise.
7130 * doprint.c: Likewise.
7131 * emit-rtl.c: Likewise.
7132 * final.c: Likewise.
7133 * fix-header.c: Likewise.
7135 * genattr.c: Likewise.
7136 * genattrtab.c: Likewise.
7137 * gencodes.c: Likewise.
7138 * genconfig.c: Likewise.
7139 * genemit.c: Likewise.
7140 * genextract.c: Likewise.
7141 * genflags.c: Likewise.
7142 * genopinit.c: Likewise.
7143 * genoutput.c: Likewise.
7144 * genpeep.c: Likewise.
7145 * genrecog.c: Likewise.
7146 * mips-tfile.c: Likewise.
7147 * prefix.c: Likewise.
7148 * protoize.c: Likewise.
7149 * regmove.c: Likewise.
7150 * toplev.c: Likewise.
7153 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7155 * config/sparc/sparc.c (sparc_override_options): If not
7156 TARGET_FPU, turn off TARGET_VIS.
7157 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7158 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7159 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7160 (movdi_insn_sp64): Add VIS fzero alternative.
7161 (clear_sf, clear_df): New VIS patterns.
7162 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7164 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7166 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7168 * loop.c (n_times_set, n_times_used, may_not_optimize,
7169 reg_single_usage): Convert to varrays. All uses changed.
7170 (insert_loop_mem): Return a value.
7171 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7172 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7175 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7178 * configure.in: Do not set thread_file to "irix" since no such
7181 * sparc.md (float abs/neg splits): Check reload_completed before
7182 calling alter_subreg.
7184 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7186 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7188 * config/sparc/sparc.h: Declare it.
7189 * config/sparc/sparc.md (float abs/neg splits): Use it.
7190 (all other splits): Handle SUBREGs properly where necessary.
7191 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7193 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7195 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7196 an insn on the unfilled_slots_list that has no delay slots.
7197 (fill_eager_delay_slots): Similarly.
7199 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7201 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7202 as an ordinary operand.
7204 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7206 * tree.c (valid_machine_attribute): Don't apply attributes to both
7209 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7211 * reload.c (operands_match_p): Handle rtvecs.
7213 * i386.c (legitimate_pic_address_disp_p): New.
7214 (legitimate_address_p): Use it.
7215 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7216 Handle constant pool symbols just like statics.
7217 (emit_pic_move): Use Pmode not SImode for clarity.
7218 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7219 [UNSPEC]: New, handling what we killed above.
7220 [PLUS]: Detect and abort on invalid symbol arithmetic.
7221 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7223 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7225 * alias.c: Include output.h.
7226 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7227 different if we're in a varargs function.
7228 * Makefile.in (alias.o): Depend on output.h
7230 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7232 * sh.h (GIV_SORT_CRITERION): Delete.
7234 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7236 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7237 * stupid.c (stupid_life_analysis): Ditto.
7238 * reload1.c (reload): Ditto.
7240 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7242 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7243 arith_double_4096_operand, arith_double_add_operand): New
7245 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7246 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7247 them to transform add/sub 4096 into add/sub -4096.
7249 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7251 * loop.c (scan_loop): Allocate some slop to handle pseudos
7252 generated by move_movables.
7253 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7256 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7258 * tree.def (DECL_RESULT): Correct documentation.
7260 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7262 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7263 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7264 conflicts will all RELOAD_FOR_OUTPUT reloads.
7266 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7267 loads the function result, substitute with a USE.
7269 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7271 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7272 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7273 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7274 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7275 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7276 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7278 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7279 'o' to 'm' for GPR variant constraints.
7281 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7283 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7285 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7287 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7288 when the source and destination overlap.
7290 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7291 clash with global type.
7293 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7295 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7297 * c-common.c (combine_strings): Also set TREE_READONLY.
7298 Change warn_write_strings to flag_const_strings.
7299 * c-decl.c, c-tree.h: Likewise.
7301 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7303 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7304 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7305 sequence, use SET/IOR instead so CSE can see it.
7306 * config/sparc/sparc.md (movhi_const64_special,
7307 movsi_const64_special): New patterns necessitated by that change.
7308 (movhi_high): Remove.
7309 (movhi_lo_sum): Change to match an IOR.
7310 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7311 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7312 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7313 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7314 registers are involved.
7315 (snesi_zero_extend split): Remove reload_completed test.
7316 (unnamed plus and minus zero_extend sidi splits): Add it.
7318 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7320 * extend.texi: Remove description of extension to explicit
7321 instantiation that is now endorsed by standard C++.
7323 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7325 * config/arc/arc.c (arc_initialize_pic): Remove.
7326 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7327 nothing on any platform and is invoked by no-one, it does not even
7328 appear in the documentation.
7329 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7330 * config/sparc/sparc.c (initialize_pic): Likewise.
7331 (find_addr_reg): Remove this as well, no longer referenced after
7334 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7336 * recog.c (validate_replace_rtx_group): New function.
7337 * recog.h (validate_replace_rtx_group): Declare it.
7338 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7339 the entire group of substitutions.
7341 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7343 * loop.c (load_mems): Fix initializers.
7345 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7347 * config/sparc/sparc.md (TFmode splits): Handle destination
7348 registers being referenced in the address correctly.
7350 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7351 TREE_UNSIGNED, when bitsize of type's mode is larger than
7352 HOST_BITS_PER_WIDE_INT.
7354 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7356 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7357 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7358 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7360 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7363 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7365 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7366 * h8300.h (TINY_DATA_NAME_P): Likewise.
7367 (STRIP_NAME_ENCODING): Handle '&'.
7369 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7370 register (it could be accessed via an outer SUBREG).
7371 (REG_OK_FOR_BASE_P): Likewwise.
7372 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7374 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7377 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7379 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7381 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7382 must be offsettable so the splits can be made.
7384 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7386 * config/i386/winnt.c: Include system.h, not stdio.h to get
7387 sys/param.h pulled in before rtl.h in case the system defines MIN
7390 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7392 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7394 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7396 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7398 * cpplib.c (cpp_define): Handle macros with parameters.
7400 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7402 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7403 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7404 and DImode 64-bit. Use llong for minimal-toc SFmode and
7405 SYMBOL_REF / LABEL_REF 64-bit.
7406 (output_function_profiler): Use llong for profiler label and ld to
7407 load 64-bit label address.
7409 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7411 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7414 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7416 * version.c: Bump for snapshot.
7418 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7420 * version.c: Bump for snapshot.
7422 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7424 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7426 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7428 * tm.texi (Misc): Fix typo "teh".
7430 * tm.texi (PIC): Fix typo "PPIC".
7432 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7433 effect when -O2 and higher.
7434 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7436 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7438 * regclass.c: Changed register set documentation to be consistent
7441 * final.c (final_start_function) Removed redundant test for
7444 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7446 * rtl.h (rtx_function): New type.
7447 (for_each_rtx): New function.
7448 * rtlanal.c (for_each_rtx): Define it.
7450 * recog.c (change_t): New type.
7451 (change_objects, change_old_codes, change_locs, change_olds):
7453 (changes): New variable.
7454 (validate_change): Dynamically allocate room for more changes, if
7455 necessary. Uses changes array instead of change_objects, etc.
7456 (apply_change_group): Use changes array instead of
7457 change_objects, etc.
7459 * loop.c (loop_mem_info): New type.
7460 (loop_mems): New variable.
7461 (loop_mems_idx): Likewise.
7462 (looop_mems_allocated): Likewise.
7463 (scan_loop): Remove nregs parameter.
7464 (next_insn_in_loop): New function.
7465 (load_mems_and_recount_loop_regs_set): Likewise.
7466 (load_mems): Likewise.
7467 (insert_loop_mem): Likewise.
7468 (replace_loop_mem): Likewise.
7469 (replace_label): Likewise.
7470 (INSN_IN_RANGE_P): New macro.
7471 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7472 (scan_loop): Remove nregs parameter, compute it after any new
7473 registers are created by load_mems. Use INSN_IN_RANGE_P and
7474 next_insn_in_loop rather than expanding them inline. Call
7475 load_mems to load memory into pseudos, if appropriate.
7476 (prescan_loop): Figure out whether or not there are jumps from the
7477 loop to targets other than the label immediately following the
7478 loop. Call insert_loop_mem to notice all the MEMs used in the
7479 loop, if it could be safe to pull MEMs into REGs for the duration
7481 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7483 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7485 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7487 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7489 * config/sparc/sparc.c (finalize_pic): Check for the correct
7490 nonlocal_goto_receiver UNSPEC number.
7491 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7492 making note of this dependency existing in sparc.c
7493 (negtf2_notv9 split): Give NEG SFmode.
7494 (negsf2): Fix insn output string.
7496 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7498 * c-common.c (decl_attributes): Issue an error if the argument
7499 to alias is not a string.
7501 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7503 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7504 pending memory flush list.
7506 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7508 (try_combine): Allow combining insns with REG_LIBCALL notes.
7510 * expr.c (emit_block_move): Do not call memcpy as a libcall
7511 instead build up a CALL_EXPR and call it like any other
7513 (clear_storage): Similarly for memset.
7515 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7518 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7521 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7522 and REG_LIVE_LENGTH as successful substitutions are made.
7524 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7526 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7527 statement after end of loop label.
7529 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7531 * config/sparc/sparc.c (ultra_types_avail): New variable.
7532 (ultra_build_types_avail): New function to record mask of insn
7533 types in ready list at this cycle.
7534 (ultrasparc_sched_reorder): Call it.
7535 (ultra_find_type): Use it to quicken the search. Also simplif
7536 dependency check, don't use rtx_equal_p because we know exactly
7537 what we are looking for.
7539 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7541 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7542 for architecture v4.
7544 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7546 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7548 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7549 movdf_const_intreg and helper splits): New patterns to move float
7550 constants into integer registers.
7551 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7554 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7557 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7559 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7561 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7562 a BASE_REGS register is needed as an intermediate when copying
7563 a symbolic value into any register class other than BASE_REGS.
7565 * expr.c (move_by_pieces): No longer static. Remove prototype.
7566 * rtl.h (move_by_pieces): Add extern prototype.
7567 * mips.c (expand_block_move): Handle aligned straight line copy by
7568 calling move_by_pieces.
7570 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7573 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7575 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7576 jumps out of the loop to be treated as part of the exit test.
7578 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7579 Jeff Law <law@cygnus.com>
7581 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7582 * cplus-dem.c: Delete.
7584 * Makefile.in (fold-const.o): depend on $(RTL_H).
7586 * fold-const.c: Include rtl.h to get the prototype for
7587 `set_identifier_local_value'.
7589 * loop.c (express_from_1): Remove unused variable `tmp'.
7590 (combine_givs): cast the first argument of bzero to char *.
7592 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7594 * c-decl.c (init_decl_processing): Remove unneeded &.
7596 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7598 * except.c (set_exception_lang_code, set_exception_version_code):
7599 Change parameter from `short' to `int' to avoid using a gcc
7602 * except.h (set_exception_lang_code, set_exception_version_code):
7603 Likewise for prototypes.
7605 * flow.c (count_reg_references): Remove unused variables `regno'
7608 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7610 * prefix.c (translate_name): Cast the result of `alloca'.
7612 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7614 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7616 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7618 (valid_dbcc_comparison_p): Mark mode argument as unused.
7619 (symbolic_operand): Likewise.
7620 (legitimize_pic_address): Likewise.
7621 (const_uint32_operand): Likewise.
7622 (const_sint32_operand): Likewise.
7623 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7624 schedule_insns and comment out rest of file.
7626 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7628 (output_move_[hq]imode): Likewise.
7630 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7632 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7633 * invoke.texi: Corresponding changes.
7635 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7637 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7639 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7641 * config/sparc/sparc.c (ultra_code_from_mask,
7642 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7643 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7644 ultrasparc_sched_init, ultrasparc_variable_issue,
7645 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7646 functions to describe UltraSPARC pipeline exactly to Haifa.
7647 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7648 as there is nothing the scheduler can do about it. Indicate that
7649 REG_DEP_OUTPUT's collide. Fixup formatting.
7650 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7651 divide costs on Ultra for DImode.
7652 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7654 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7655 ieuN and add call_no_delay_slot to type list.
7656 (cti function unit): New unit for branches on UltraSPARC.
7657 (subx/addx insns): Set type to misc.
7658 (sidi zero/sign extension insns on arch64): Set type to shift.
7659 (sign_extendhidi2_insn): Set type to sload.
7661 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7663 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7664 (output_epilog): Use if != 0 for offset.
7665 (rs6000_fatal_bad_address): Prepare for Intl.
7666 * rs6000.h (rs6000_fatal_bad_address): Declare.
7667 * rs6000.md (movsfcc, movdfcc): Use else if.
7668 (elf_high): Use {liu|lis}.
7669 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7670 (movsi): Use rs6000_fatal_bad_address.
7672 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7674 * reload.c (find_equiv_reg): Reject equivalences separated
7675 by a volatile instruction.
7677 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7679 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7681 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7683 * alpha.md (movsicc): Fix mode mismatch.
7685 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7687 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7689 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7691 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7693 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7694 write-only modifier from operand 1 constraint.
7696 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7698 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7699 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7701 (sparc_emit_set_const64): Likewise, also when computing trailing
7702 bits do not negate low_bits and make fast_int an int.
7704 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7706 * loop.c (add_label_notes): Do not ignore references to labels
7707 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7708 * gcse.c (add_label_notes): Similarly.
7710 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7712 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7713 (adddi_dishl32): Similarly.
7715 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7717 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7718 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7719 * cse.c (cse_basic_block): Add parens to shut up warnings.
7721 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7723 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7724 sparc_emit_set_const64_longway, const64_is_2insns,
7725 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7726 in 64-bit constant formation.
7727 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7728 rtl for addx not subx.
7729 (define_insn movdi_const64_special): Make available even when
7730 HOST_BITS_PER_WIDE_INT is not 64.
7731 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7732 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7733 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7734 instances of operand 1 inside a QI subreg.
7735 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7736 (one_cmpldi2_sp64): Fix output string.
7737 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7739 (unnamed arch64 ashift DI): Truncate shift count if greater than
7742 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7744 * expr.c (store_expr): Don't optimize away load-store pair
7745 when either source or destination have a side effect.
7747 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7749 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7750 operands of SET are incompatible.
7752 * alpha.md: Fix max and min patterns so modes of SET operands match.
7754 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7756 * configure.in: Avoid [[ by using test and changequote.
7757 * configure: Rebuild.
7759 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7761 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7763 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7764 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7765 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7766 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7767 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7768 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7769 Fix mismatching modes in SET operands.
7770 (conditional move patterns): Fix formatting.
7771 (unnamed subx arch64 pattern): Remove duplicate insn.
7773 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7775 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7776 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7777 (input_operand): Fixup test for what we accept for constant
7779 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7781 (safe_constDI): Remove.
7782 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7783 gen_safe_XOR64): New functions.
7784 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7785 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7787 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7788 available when HOST_BITS_PER_WIDE_INT is not 64.
7789 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7790 move before movdi_insn_sp64 pattern.
7791 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7792 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7793 symbolic_operand as predicate for second operand.
7794 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7795 expander): Give set VOIDmode.
7797 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7799 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7801 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7803 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7805 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7807 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7809 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7811 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7813 * install.texi: Various SCO OpenServer tweaks.
7815 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7817 * reload1.c (eliminate_regs_in_insn): Handle another case when
7818 eliminating the frame pointer to the hard frame pointer. Add
7819 missing ep->to_rtx check to one existing case.
7821 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7823 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7825 * tree.h: De-conditionalize init_priority code.
7827 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7828 * collect2.c (NM_FLAGS): Change from -p to -n.
7830 * configure.in: Turn on collect2 for mipstx39-elf.
7831 Handle use_collect2=no properly.
7833 * c-common.c: De-conditionalize init_priority code.
7834 * collect2.c (extract_init_priority, sort_ids): New fns.
7835 (main): Call sort_ids.
7836 Move sequence_number to file scope.
7838 * configure.in: Handle --enable-init-priority.
7839 * c-common.c (attrs): Add A_INIT_PRIORITY.
7840 (init_attributes, decl_attributes): Likewise.
7841 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7842 * tree.c (get_file_function_name_long): Split out...
7843 (get_file_function_name): ...from here.
7845 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7847 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7850 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7852 * toplev.c (display_help): Add braces to shut up warnings.
7853 * tree.c (simple_cst_equal): Likewise.
7855 * fold-const.c (non_lvalue): Don't deal with null pointer
7857 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7859 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7860 of any size to a pointer.
7862 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7864 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7866 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7868 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7869 which will be saved.
7870 * mn10300.md (prologue insn): Only save registers which need saving.
7871 (epilogue insn): Similarly.
7873 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7876 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7878 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7879 VAR_DECL's in gp addressable sections.
7881 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7883 * sparc.c: Change return <exp> to <exp>; return; in functions
7885 * sparc.md: Add empty semicolon statement after final label in
7888 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7890 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7891 addx_extend_sp64, only allow when TARGET_ARCH64.
7892 (define_insn addx_extend_sp32 and split): Version that works when
7894 (define_insn subx_extend): Likewise.
7895 (define_split adddi3 and subdi3 with zero extension): Fixup and
7896 correct bugs when not TARGET_ARCH64.
7898 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7900 * except.c (set_exception_lang_code, set_exception_version_code):
7901 Use prototype-style definition if __STDC__, to match declaration
7904 * genemit.c: Change FAIL and DONE macros not to use loops.
7906 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7908 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7909 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7911 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7913 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7915 * README.g77: Update from Craig.
7917 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7919 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7921 (safe_constDI sparc_emit_set_const64_quick1,
7922 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7923 analyze_64bit_constant, const64_is_2insns,
7924 create_simple_focus_bits): Fix some bugs when compiled on real
7926 (function_arg_record_value_3, function_arg_record_value_2,
7927 function_arg_record_value): Add fully prototyped forward decls.
7928 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7929 to cmpsi_insn and use on both 64 and 32 bit targets.
7930 (define_insn cmpsi_insn_sp64): Remove.
7931 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7932 (define_insn zero_extendsidi2_insn): Rename to
7933 zero_extendsidi2_insn_sp64.
7934 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7935 assosciated forced split for it.
7937 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7939 * config/sparc/sparc.h: Declare them.
7940 (PREDICATE_CODES): Add them.
7941 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7942 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7944 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7946 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7947 in v9 case as the latter makes the Solaris assembler crash.
7949 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7951 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7952 for TFmode when !v9. We require offsettable memory addresses.
7953 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7954 DFmode register number conversions.
7955 * config/sparc/sparc.md (define_split DFmode moves): If register
7956 is a SUBREG do alter_subreg on it before using.
7957 (define_expand movtf): Fixup comment about alignment on v9.
7958 (define_split TFmode moves): Don't use gen_{high,low}part, create
7959 explicit SUBREGs instead.
7961 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7963 * Makefile.in (mbchar.o): Depend on mbchar.c.
7965 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7966 Richard Henderson <rth@cygnus.com>
7968 Rewrite Sparc backend for better code generation and
7969 improved sparc64 support.
7970 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7972 * config/sparc/sysv4.h: Likewise.
7973 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7974 move_operand, v8plus_regcmp_op, emit_move_sequence,
7975 singlemove_string, doublemove_string, mem_aligned_8,
7976 output_move_double, output_move_quad, output_fp_move_double,
7977 move_quad_direction, output_fp_move_quad, output_scc_insn):
7979 (small_int_or_double): New predicate.
7980 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7981 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7982 old pic_{sethi,lo_sum}_si patterns.
7983 (mem_min_alignment): New generic function to replace
7984 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7985 available and can test for arbitrary alignments. All callers
7987 (save_regs, restore_regs, build_big_number,
7988 output_function_prologue, output_cbranch, output_return,
7989 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7990 sparc_flat_output_function_epilogue): Prettify
7992 (output_function_epilogue): Likewise and add code to output
7993 deferred case vectors.
7994 (output_v9branch): Likewise, add new arg INSN and use it to tack
7995 on branch prediction settings. All callers changed.
7996 (print_operand): Likewise and output %l44 for LO_SUMs when
7998 (sparc_splitdi_legitimate): New function to make sure DImode
7999 splits can be run properly when !arch64.
8000 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8001 Reformat example code in comments.
8002 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8003 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8004 of deferred case vectors we need to output.
8005 (sparc_defer_case_vector): Record a case vector.
8006 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8007 sparc_output_deferred_case_vectors): New functions to output them.
8008 (sparc_emit_set_const32): New function to form 32-bit constants in
8009 registers when that requires more than one instruction.
8010 (safe_constDI, sparc_emit_set_const64_quick1,
8011 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8012 analyze_64bit_constant, const64_is_2insns,
8013 create_simple_focus_bits, sparc_emit_set_const64): New functions
8014 which do the same for 64-bit constants when arch64.
8015 (sparc_emit_set_symbolic_const64): New function to emit address
8016 loading for all code models on v9.
8017 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8018 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8019 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8020 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8021 inaccuracies in comments, add symbolic and text_segment operands
8022 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8023 GENERAL_REGS in these cases as a temp REG is needed to load these
8024 addresses into a register properly.
8025 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8027 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8028 quads are guarenteed to have 16-byte alignment.
8029 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8030 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8031 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8032 deferred case vector implementation.
8033 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8034 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8035 Generate "internal label - label" instead of "label - 1b".
8036 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8037 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8038 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8040 (doublemove_string, output_block_move, output_fp_move_double,
8041 output_fp_move_quad, output_move_double, output_move_quad,
8042 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8043 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8044 (sparc_emit_set_const32, sparc_emit_set_const64,
8045 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8046 mem_min_alignment, small_int_or_double): Add externs.
8047 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8048 UNSPEC_VOLATILE in this backend.
8049 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8050 unary to types which execute in it.
8051 (define_function_unit ieu_shift): Rename to ieu0.
8052 (define_function_unit ieu1): New, executes compare, call, and
8053 uncond_branch type insns.
8054 (define_function_units for type fdivs, fdivd, fsqrt): These
8055 execute in the fpu multiply unit not the adder on UltraSparc.
8056 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8057 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8058 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8059 allows the arith_double_operand predicate and rHI constraint when
8061 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8062 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8063 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8064 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8065 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8066 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8067 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8068 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8069 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8070 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8071 sign_extendqihi2_insn, sign_extendqisi2_insn,
8072 sign_extendqidi2_insn, sign_extendhidi2_insn,
8073 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8074 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8075 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8076 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8077 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8078 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8079 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8080 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8081 smulsi3_highpart_v8plus, unnamed subreg mult,
8082 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8083 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8084 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8085 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8086 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8087 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8088 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8089 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8090 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8091 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8092 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8093 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8094 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8095 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8096 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8097 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8098 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8099 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8100 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8101 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8102 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8103 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8104 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8105 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8106 call_address_untyped_struct_value_sp32,
8107 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8108 call_value_symbolic_sp32, call_value_address_sp64,
8109 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8110 flush_register_windows, goto_handler_and_restore,
8111 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8112 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8113 return_addsi, return_di, return_adddi, return_sf, all call+jump
8114 peepholes, trap, unnamed trap insns): Prettify output strings.
8115 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8116 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8117 Likewise and force + implement splits for integer cases.
8118 (define_insn return_sf_no_fpu): Likewise and allow to match when
8119 no-fpu because of our subreg SFmode splits.
8120 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8121 zero_extendqidi2_insn, zero_extendhidi2_insn,
8122 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8123 input_operand for second operand.
8124 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8125 reg_or_0_operand for operand 2 so new splits can use it.
8126 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8127 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8129 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8130 CONST_DOUBLEs for operand 2.
8131 (define_insn move_label_di): Likewise and label distance
8132 optimization because it no longer works with new deferred case
8133 vector scheme. To be revisited.
8134 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8135 and allow reg_or_0_operand and J constraint for second operand.
8136 (define_insn jump): Set branch predict taken on V9.
8137 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8138 new deferred case vector scheme.
8139 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8140 (define_insn negdi2_sp32): Force + implement splits.
8141 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8142 one_cmplsi2_not_liveg0 respectively, and create expander of original
8143 names which emit special rtl for TARGET_LIVE_G0.
8144 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8145 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8146 gen_compare_reg, FAIL instead.
8147 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8148 values when trying to reverse condition codes, if they FAIL then
8150 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8151 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8152 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8153 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8154 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8155 set output string to # to indicate they are mandatory splits.
8156 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8157 pic_sethi_di, move_pic_label_si): Remove.
8158 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8159 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8161 (define_expand movsi_pic_label_ref, define_insn
8162 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8163 expander and insns to handle PIC label references and deferred
8165 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8167 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8168 Rewrite to not use emit_move_sequence, make use of new constant
8169 formation code, and new splits for all multi-insn cases.
8170 (define_insn movqi_insn): Remove sethi case, it can never happen.
8171 Use reg_or_zero_operand instead of const0_rtx explicit test,
8172 use input_operand instead of move_operand for source, and use
8173 general_operand now for dest.
8174 (define_insn movhi_insn): Similar but leave sethi case.
8175 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8176 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8177 movhi_lo_sum respectively, prettify output string.
8178 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8179 register when needed on TARGET_LIVE_G0.
8180 (define_insn movsi_insn): Use general_operand and input_operand
8181 for dest and src respectively. Simplify applicability test.
8182 Prettify output strings, and add clr alternative for J
8184 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8185 deprecated std and reg-reg DI moves): Remove and...
8186 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8187 implementation which uses forced splits for all non-single insn
8189 (define_split DI move cases on !arch64): New splits to handle all
8190 situations of 64-bit double register DImode on 32bit, and
8191 unaligned registers and memory addresses for all subtargets.
8192 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8194 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8195 input_operand for dest and src respectively, prettify output
8197 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8198 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8200 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8201 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8202 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8203 movtf_no_e_insn_sp64) Replace with new
8204 implementation which uses forced splits for all non-single insn
8206 (define_split DF move cases): New splits in similar vein to DI
8208 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8209 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8210 movdi_sp64_insn): Remove old v9 code model and constant loading
8212 (define_insn pic_lo_sum_di, pic_sethi_di,
8213 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8214 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8215 embmedany_sethi, embmedany_losum, embmedany_brsum,
8216 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8217 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8218 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8219 scheme, using unspecs, secondary reloads, and one to one sparc
8220 insn to rtl insn mapping for better scheduling and code gen.
8221 (define_expand reload_indi, reload_outdi): Reload helpers for
8222 MEDANY and EMBMEDANY symbol address loading cases which require a
8224 (define_expand movsicc): Remove v8plus_regcmp cases.
8225 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8226 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8227 cmp_diqi_trunc_set): New patterns used by some of the new scc
8229 (define_insn xordi3_sp64_dbl): New pattern used for constant
8230 formation when crossing from 32-bit targets.
8231 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8233 (define_insn addx, subx): Make visible and prettify.
8234 (define_insn adddi3_insn_sp32): Likewise and force split.
8235 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8236 64bit scc split usage.
8237 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8238 zero_extend, subdi3): Force and implement splits.
8240 * final.c (final_scan_insn): Don't output labels if target
8241 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8244 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8245 don't forget to walk inside SEQUENCESs too as these are what the
8246 delay slot scheduler will create.
8248 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8250 * alpha.md (extxl+1,+2): New patterns to work around
8253 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8255 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8256 caused bad assembly code to be generated.
8258 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8260 * netbsd.h: Fix typo.
8262 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8264 * config.sub: Fix typo.
8266 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8268 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8270 (Running Protoize): Typo: Change "ther" into "other".
8272 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8274 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8275 * m68k/netbsd.h: Likewise.
8276 * ns32k/netbsd.h: Likewise.
8277 * sparc/netbsd.h: Likewise.
8279 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8281 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8282 * ginclude/va-clipper.h (va_list): Likewise.
8284 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8286 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8287 load/store multiple instructions unless user overrides.
8289 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8291 * ns32k/netbsd.h: Fix typo.
8293 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8295 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8296 labels with .debugsym if no parallel insns.
8298 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8300 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8301 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8303 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8305 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8306 (AR_FOR_TARGET): Define.
8308 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8310 * dyn-string.h: New file.
8311 * dyn-string.c: Likewise.
8312 * Makefile.in (OBJS): Add dyn-string.o.
8313 (dwarf2out.o): Add dyn-string.h dependency.
8314 (dyn-string.o): List dependencies.
8315 * dwarf2out.c: Include dyn-string.h.
8316 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8317 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8318 prototype. Use dyn_string_append rather than strcat, throughout.
8319 (addr_to_string): Use dyn_string_t.
8321 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8323 Function entry/exit profiling instrumentation:
8324 * expr.h (profile_function_entry_libfunc,
8325 profile_function_exit_libfunc): Declare new variables.
8326 * optabs.c: Define them here.
8327 (init_optabs): Initialize them.
8328 * tree.h (struct tree_decl): New flag
8329 no_instrument_function_entry_exit.
8330 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8331 * c-decl.c (duplicate_decls): Merge it.
8332 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8333 (init_attributes): Use it for "no_instrument_function".
8334 (decl_attributes): Handle it, for functions that have not yet been
8335 compiled. Set decl flag.
8336 * flags.h (flag_instrument_function_entry_exit): Declare new
8338 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8339 (f_options): New option "instrument-functions".
8340 * function.h (struct function): New field instrument_entry_exit.
8341 * function.c (current_function_instrument_entry_exit): New
8343 (push_function_context_to, pop_function_context_from): Save and
8345 (expand_function_start): Set current_ variable, maybe emit return
8346 label and entry profile call.
8347 (expand_function_end): Maybe emit exit profile call.
8349 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8351 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8352 NON_QI_REG_P, pretend the register is SImode.
8354 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8356 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8357 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8358 manufacturer id for ns32k.
8359 * configure: Regenerated.
8360 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8361 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8362 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8363 * config/m68k/netbsd.h: Same.
8364 * config/ns32k/netbsd.h: Same.
8365 * config/sparc/netbsd.h: Same.
8367 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8369 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8370 or UNROLL_COMPLETELY loop that starts with a jump to its
8373 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8375 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8376 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8377 (print_operand, case 'B'): Don't fall through.
8378 (print_operand, case 'S'): Correct mask begin/end computation.
8379 Use HOST_BITS_PER_WIDE_INT.
8380 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8381 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8382 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8383 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8385 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8387 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8388 constraint from second alternative.
8390 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8392 * configure.in: Fix --without/--disable cases for local-prefix,
8393 gxx-include-dir and checking.
8395 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8397 * configure.in (enable_haifa): Set by default for sparc64 too.
8400 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8402 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8403 * i386/winnt.c (associated_type): New fn.
8404 (i386_pe_valid_type_attribute_p): New fn.
8405 (i386_pe_check_vtable_importexport): Remove.
8406 (i386_pe_dllexport_p): Use associated_type.
8407 (i386_pe_dllimport_p): Likewise.
8409 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8410 * i386.c (i386_valid_type_attribute_p): Also accept
8411 attributes for METHOD_TYPEs.
8413 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8415 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8417 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8419 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8421 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8422 them from generating a new base name for each occurence of
8425 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8427 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8429 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8433 * cplus-dem.c (type_kind_t): New type.
8434 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8435 on this paramter, rather than demangling the type again.
8436 (demangle_integral_value): Pass tk_integral.
8437 (demangle_template_: Pass the value returned from do_type.
8438 (do_type): Return a type_kind_t. Pass tk_integral to
8439 demangle_template_value_parm for array bounds.
8440 (demangle_fund_type): Likewise.
8442 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8444 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8447 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8449 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8451 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8453 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8455 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8458 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8460 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8461 (DEBUGGER_ARG_OFFSET): Likewise.
8463 * mn10300.md (movsf): Remove last change. Not needed.
8465 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8467 * c-lex.c (yylex): Fix boundary conditions in character literal and
8468 string literal loops.
8470 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8472 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8473 being invoked incorrectly.
8475 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8476 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8478 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8479 * configure.in: Added i[34567]86-*-win32
8480 * config.sub: Ditto.
8481 * configure: Rebuilt.
8483 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8485 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8486 the frame pointer and compiling PIC code and reload has not completed.
8488 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8491 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8493 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8495 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8497 * Makefile.in (install-info): Only try to update the info
8498 directory file if it exists in the first place.
8500 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8502 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8504 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8506 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8507 CONST_DOUBLE source.
8509 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8511 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8512 strings as the insertion of USER_LABEL_PREFIX.
8513 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8515 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8518 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8520 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8521 already defined type.
8523 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8525 * expr.c (check_max_integer_computation_mode): Allow conversions
8526 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8527 (expand_expr): Likewise.
8529 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8531 * expr.c (expand_expr): Expand RETURN_EXPR.
8533 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8535 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8537 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8539 * dwarf2out.c (output_aranges): Call stripattributes
8540 for TEXT_SECTION references.
8541 (output_line_info): Likewise.
8543 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8545 * profile.c (branch_prob): Call allocate_reg_info after outputting
8546 profile rtl in instrument_arcs.
8548 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8550 * fixinc.irix (math.h): Install wrapper instead of copying.
8552 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8554 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8555 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8556 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8557 lang_flag_0. Added documentation in the flag table.
8559 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8561 * cccp.c (do_include): Fix vax c style include handling.
8563 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8565 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8567 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8569 * fold-const.c (non_lvalue): Don't deal with null pointer
8571 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8573 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8575 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8576 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8577 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8578 (u_short_cint_operand): Same.
8579 (reg_or_cint_operand): Same.
8580 (logical_operand): Same.
8581 (input_operand): Same.
8582 (reg_or_short_operand): Use u_short_cint_operand.
8584 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8586 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8587 but keep the insns and splits. Adjust so when the ultimate destination
8588 is memory, use cvtql.
8590 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8592 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8594 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8596 * gcc.c (do_spec): Call "error" not "warning".
8598 * configure.in: Fix minor problems with gas feature detection code.
8599 * configure: Rebuilt.
8601 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8604 * gcc.c: Delete %[spec] support.
8605 (do_spec_1, case '('): Likewise.
8606 (do_spec_1, case '['): Call error.
8608 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8610 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8611 (CPP_SUBTARGET_SPEC): Default to empty string.
8612 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8613 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8614 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8615 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8617 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8618 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8619 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8620 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8621 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8622 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8623 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8624 * alpha/vxworks.h: Likewise.
8626 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8628 * mips.md (reload_outsi): Added missing REGNO call.
8629 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8631 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8632 another match_operator and compare the codes.
8634 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8636 * MIPS multiply pattern fixes:
8637 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8638 Add union classes for HI, LO, or HILO plus general registers.
8639 (GENERATE_MADD): Deleted.
8640 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8641 Add TARGET_MAD to condition.
8642 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8643 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8644 "*d" for accumulator, to give preference to LO initially but not
8647 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8649 * configure.in (enable_c_mbchar): New configure option.
8650 (extra_cpp_objs): Always available now.
8652 * cexp.y (mbchar.h): #include it.
8653 (yylex): Handle Multibyte characters in character literals.
8655 * cccp.c (mbchar.h): #include it.
8656 (main): Set character set based on LANG environment variable.
8657 (rescan): Handle multibyte characters in comments.
8658 (skip_if_group): See above.
8659 (validate_else): See above.
8660 (skip_to_end_of_comment): See above.
8661 (macarg1): See above.
8662 (discard_comments): See above.
8663 (rescan): Handle multibyte characters in string and character literals.
8664 (collect_expansion): See above.
8665 (skip_quoted_string): See above.
8666 (macroexpand): See above.
8667 (macarg1): See above.
8668 (discard_comments): See above.
8669 (change_newlines): See above.
8671 * c-lex.c (mbchar.h): #include it.
8672 (GET_ENVIRONMENT): New macro.
8673 (init_lex): Set character set based on LANG environment variable.
8674 (yylex): Handle multibyte characters in character literals.
8675 (yylex): Handle multibyte characters in string literals.
8677 * Makefile.in (mbchar.o): New target.
8678 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8679 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8681 * mbchar.[ch]: New files for multibyte character handling.
8683 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8685 * jump.c (jump_optimize): When simplifying noop moves and
8686 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8687 the PUSHes to rewrite in second loop as we did in the first.
8689 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8691 * cplus-dem.c (demangle_nested_args): Make function definition
8692 static to match the prototype.
8694 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8696 * alloca.c: Respect USE_C_ALLOCA.
8697 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8698 * gengenrtl.c (xmalloc): Likewise.
8700 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8702 * loop.h (struct induction): Add no_const_addval.
8703 * loop.c (the_movables, reg_address_cost): New variables.
8704 (init_loop): Init reg_address_cost.
8705 (loop_optimize): Call end_alias_analysis.
8706 (scan_loop): Init the_movables.
8707 (record_giv): Init induction->no_const_addval.
8708 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8709 [REG]: Rearrange loop search test to catch more cases.
8710 (general_induction_var): Return success not benefit; take an extra
8711 argument for that. Change all callers.
8712 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8713 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8714 [default]: Search the_movables for additional combinations.
8715 (sge_plus_constant, sge_plus): New functions.
8716 (express_from_1): New function.
8717 (express_from): Always define. Rewrite using express_from_1.
8718 (combine_givs_p): Handle more cases. Ignore address cost.
8719 (cmp_combine_givs_stats): New function.
8720 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8721 (combine_givs): Rewrite to do best-fit combination.
8723 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8724 (fold): Do a complete (A*C)+(B*C) association check.
8726 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8728 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8730 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8732 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8734 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8736 * tree.c (valid_machine_attribute): Only create a new type variant if
8737 there is a decl to use it.
8739 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8741 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8744 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8746 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8749 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8751 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8752 Simplify tests for clearing an address register.
8753 (expand_prologue): Corresponding changes.
8755 * mn10300.md (movXX patterns): Make sure the destination is an
8756 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8757 (logical patterns): Split into expanders + patterns
8758 (zero and sign extension patterns): Similarly.
8759 (shift patterns): Similarly.
8761 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8763 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8764 for the sequence, recording base values.
8766 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8768 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8770 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8772 * gcc.c: Remove ANSI-C ism from --help code.
8774 * toplev.c: Support --help with USE_CPPLIB.
8776 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8778 * configure.in: Rework gas feature code to work with symlink based
8781 * extend.texi: Clarify some issues related to local variables
8782 assigned to explicit registers.
8784 * mn10300.md (mulsi): Turn into expander + pattern.
8786 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8789 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8791 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8793 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8795 * version.c: Bump again to distinguish mainline tree from the
8798 See ChangeLog.0 for earlier changes.
8801 add-log-time-format: current-time-string