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 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
16 * local-alloc.c (update_equiv_regs): Corresponding changes.
17 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
19 * calls.c (special_function_p): Push alloca test inside the large
20 conditional which excludes functions not at file scope or not
23 * calls.c (special_function_p): New function broken out of
25 (precompute_register_parameters): Likewise.
26 (store_one_arg): Likewise.
27 (store_unaligned_argumetns_into_pseudos): Likewise.
28 (save_fixed_argument_area): Likewise.
29 (restore_fixed_argument_area): Likewise.
30 (expand_call): Corresponding changes.
32 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
34 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
36 (const_sint32_operand): Likewise.
38 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
40 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
41 is a macro when deciding if we can use `jmp_buf' in prototypes.
43 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
45 * config/c4x/c4x.md (addqi3): If the destination operand is
46 a hard register other than an extended precision register,
47 emit addqi3_noclobber.
48 (*addqi3_noclobber_reload): New pattern added so that reload
49 will recognise a store of a pseudo, equivalent to the sum
50 of the frame pointer and a constant, as an add insn.
52 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
54 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
56 * i386/xm-go32.h: Define LIBSTDCXX.
58 * i386/go32.h (MD_EXEC_PREFIX): Define.
59 (FILE_NAME_ABSOLUTE_P): Define.
60 (LINK_COMMAND_SPEC): Define.
62 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
64 * expr.c (store_expr): If the lhs is a memory location pointed
65 to be a postincremented (or postdecremented) pointer, always
66 force the rhs to be evaluated into a pseudo.
68 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
70 * real.c (mtherr): Print more reasonable warning messages.
72 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
74 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
76 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
77 (new_include_prefix): Constify char* parameters.
79 * cppfiles.c (read_name_map): Likewise.
80 (append_include_chain): Likewise. Also, use a writable char* copy
81 of parameter `dir' which we then modify, rather than using the
82 parameter itself to store the new writable string.
83 (remap_filename): Constify some variables. Also, use a writable
84 char* to store an allocated string which we will be modifying.
86 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
87 (cpp_start_read): Constify variable `str'.
89 * cpplib.h (append_include_chain): Constify a char* parameter.
91 * gcc.c Include prefix.h, don't prototype prefix.c functions.
92 (add_prefix, save_string): Constify char* parameters.
93 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
95 * prefix.c: Include prefix.h.
96 (get_key_value, translate_name, save_string, update_path,
97 set_std_prefix): Constify various char* parameters and variables.
98 (save_string): Use xmalloc, not malloc.
99 (translate_name): Use a writable temporary variable to create and
100 modify a string before setting it to a const char*.
102 * prefix.h: New file to prototype functions exported from prefix.c.
104 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
106 * cpplib.c (skip_if_group): Split out the logic that handles
107 directive recognition to its own function. Don't use
108 parse markers; use a bare pointer into the buffer. Use
109 copy/skip_rest_of_line instead of doing it by hand. Remove
110 `return on any directive' mode which was never used, and take
112 (consider_directive_while_skipping): New function, subroutine
113 of skip_if_group. Logic streamlined a bit.
114 (conditional_skip, do_elif, do_else): Call skip_if_group with
117 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
119 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
122 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
124 * extend.texi (Bound member functions): Document.
126 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
128 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
129 lang_to_string, type_to_string): Make return type const char*.
130 (print_symbol): Apply `const' keyword to a char*.
131 (print_file_desc): Cast structure member `crfd' to ulong when
132 comparing against one.
134 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
135 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
136 (progname, input_name): Apply `const' keyword to a char*.
137 Don't redundantly include sys/stat.h.
138 (alloc_info): Apply `const' keyword to a char*.
139 (st_to_string, sc_to_string): Likewise.
140 (hash_string): Cast variable `hash_string' to a symint_t when
141 comparing against one.
142 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
143 Likewise cast it to long when comparing against one.
144 (add_local_symbol): Apply `const' keyword to a char*.
145 (add_ext_symbol): Likewise.
146 (add_unknown_tag): Likewise.
147 (add_procedure): Cast a printf-style field width to an int.
148 (add_file): Cast PAGE_USIZE to long when comparing against one
149 (parse_begin): Cast a printf-style field width to an int.
150 (parse_bend): Likewise.
151 (parse_def): Likewise.
152 (parse_end): Likewise.
153 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
154 (parse_stabs_common): Fix format specifier.
155 (parse_input): Change type of variable `i' to Size_t.
156 (write_object): Fix arguments to match format specifiers.
157 Cast variable `num_write' to long when comparing against one.
158 (read_seek): Cast variable `sys_read' to symint_t when comparing
159 against one. Fix arguments to match format specifiers. Cast
160 variable `size' to long when comparing against one.
161 (copy_object): Cast result of `sizeof' to int when comparing
162 against one. Fix arguments to match format specifiers. Cast
163 variable `ifd' to long when comparing against a signed value.
166 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
168 * c-common.c (decl_attributes): Allow applying attribute `unused'
171 * c-parse.in (label): Parse attributes after a label, and call
172 `decl_attributes' to handle them.
174 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
176 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
177 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
179 * invoke.texi: Note that labels can be marked `unused'.
181 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
183 * version.c: Bump for snapshot.
185 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
187 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
188 RTL for a compare/jump sequence.
190 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
192 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
193 for a target with HAVE_cc0 defined.
194 (emit_cmp_and_jump_insns): New function.
195 * expr.h (emit_cmp_and_jump_insns): Prototype it.
196 * loop.c (check_dbra_loop): Use it to replace calls
197 to emit_cmp_insn and emit_jump_insn and to canonicalise
198 the comparison if necessary.
199 * unroll.c (unroll_loop): Likewise.
201 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
203 * fixincludes (sys/utsname.h): Provide forward declaration of
204 struct utsname on Ultrix V4.[35].
206 * mips.md (div_trap): Use local labels instead of dot-relative
209 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
211 * pa.md (branch, negated branch): Handle (const_int 0) as first
213 * pa.c (output_cbranch): Likewise.
215 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
217 * rs6000.c (rs6000_stack_info): Undo spurious part of last
220 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
222 * extend.texi (__builtin_constant_p): Add missing @smallexample.
224 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
226 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
228 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
230 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
231 (adddi_dishl32): Similarly.
233 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
234 for each insn in the skipped block.
236 * reload1.c (reload_as_needed): Verify that the insn satisfies its
237 constraints after replacing a register address with an autoincrement
238 address for reload inheritance purposes.
240 * i386.md (doubleword shifts): Avoid namespace pollution.
242 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
244 * configure.in (FreeBSD ELF): Needs special crt files.
246 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
248 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
250 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
252 * loop.c (check_dbra_loop): While reversing the loop, if the
253 comparison value has a VOID mode use the mode of the other operand
256 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
258 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
259 avoid warnings in compiling explow.c.
261 (patch from Ken Raeburn, raeburn@cygnus.com)
262 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
263 fpmem_offset. Compute total size after that, and then
264 rs6000_fpmem_offset using both values.
266 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
268 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
269 the future; indeed that already happens in some cases.
271 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
273 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
274 (arith_operand): Remove constant_p_rtx handling.
275 (const64_operand, const64_high_operand): Likewise.
276 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
277 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
278 (small_int_or_double, uns_small_int, zero_operand): Likewise.
279 * sparc.h (PREDICATE_CODES): Likewise.
281 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
283 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
285 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
286 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
287 consider constant CONSTRUCTOR constant and to defer some cases
289 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
290 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
292 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
294 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
295 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
297 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
298 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
299 (sext_add_operand, and_operand, or_operand): Likewise.
300 (reg_or_cint_operand, some_operand, input_operand): Likewise.
301 * alpha.h (PREDICATE_CODES): Likewise.
303 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
305 * version.c: Bump for snapshot.
307 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
309 * gengenrtl.c (gencode): Always use bzero to clear memory instead
310 of dangerous casts and stores.
312 * Makefile.in (compare, gnucompare): Add missing else true clauses.
314 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
316 * alpha.md (builtin_longjmp): Add missing "DONE".
318 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
320 * gcc.c (execute): Enable -pipe with win32.
322 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
324 * config/arm/t-arm-elf: Add multiplib option for leading
327 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
328 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
330 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
331 than variable 'reload_address_base_reg_class'. [Note this
332 change is unrelated to the others in this patch].
334 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
337 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
339 * alias.c (record_alias_subset): Remove ignored `&'.
340 (init_alias_once): Likewise.
342 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
344 * config/mips/mips.c (mips_asm_file_end): Cast the result of
345 fwrite to `int' when comparing against one.
347 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
348 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
350 * cse.c (rehash_using_reg): Change type of variable `i' to
353 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
356 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
358 * final.c (final_scan_insn): Likewise for variable `i'.
359 (output_asm_insn): Cast a char to unsigned char when used as an
362 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
365 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
367 * recog.c (preprocess_constraints): Cast a char to unsigned char
368 when used as an array index.
370 * regmove.c (find_matches): Likewise.
372 * reload1.c (calculate_needs): Add default case in switch.
373 (eliminate_regs_in_insn): Initialize variable `offset'.
374 (set_offsets_for_label): Change type of variable `i' to unsigned.
375 (reload_as_needed): Wrap variable `i' in macro check on
376 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
378 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
379 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
380 when comparing against one.
382 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
383 unsigned when comparing against one. Likewise for
384 GET_MODE_ALIGNMENT().
385 (layout_record): Cast record_align to int when comparing against a
387 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
390 * tree.c (get_identifier): Cast variable `len' to unsigned when
391 comparing against one.
392 (maybe_get_identifier): Likewise
394 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
396 * toplev.c (rest_of_compilation): Do not set reload_completed.
397 * reload1.c (reload): Set reload_completed before calling
398 cleanup_subreg_operands.
400 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
402 * reload1.c (emit_reload_insns): Check `set' not null before use.
404 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
406 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
409 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
411 * halfpic.c (half_pic_encode): Delete redundant code.
413 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
415 * toplev.c (main): Delete handling of -dM as a preprocessor
418 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
420 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
421 -dI, which are handled by the preprocessor.
423 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
425 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
426 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
428 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
430 * version.c: Bump for snapshot.
432 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
434 * version.c: Bump for snapshot.
436 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
438 * version.c: Bump for snapshot.
440 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
442 * genattr.c (fatal): Qualify a char* with the `const' keyword.
444 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
445 write_unit_name, write_eligible_delay, expand_units,
446 make_length_attrs, write_attr_case, find_attr,
447 make_internal_attr): Likewise.
448 * gencheck.c (tree_codes): Likewise.
449 * gencodes.c (fatal): Likewise.
450 * genconfig.c (fatal): Likewise.
451 * genemit.c (fatal): Likewise.
452 * genextract.c (fatal, walk_rtx, copystr): Likewise.
453 * genflags.c (fatal): Likewise.
454 * genopinit.c (fatal, optabs, gen_insn): Likewise.
455 * genoutput.c (fatal, error, predicates): Likewise.
456 * genpeep.c (fatal): Likewise.
457 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
458 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
460 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
462 * configure.in (with-fast-fixincludes): Fix whitespace.
463 * configure: Rebuilt.
465 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
466 asm() etc. function declarations in __DECC.
468 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
470 * expr.c (emit_move_insn_1): Only emit a clobber if the target
471 is a pseudo register.
473 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
475 * gcse.c: Include expr.h in order to get the prototype for
476 get_condition() which is used in delete_null_pointer_checks().
478 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
480 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
482 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
484 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
485 (ALL_CFLAGS): Delete SCHED_CFLAGS.
487 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
489 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
492 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
494 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
495 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
496 optimizations from the combiner.
498 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
500 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
502 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
504 * toplev.c (main): Disable optimize_size if a specific
505 optimization level is requested. Always set optimization
506 level to 2 if -Os is specified.
508 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
510 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
512 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
513 initialize it using fname.
515 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
517 * cpplib.c (do_include): Treat #include_next in the
518 primary source file as #include plus warning. Treat
519 #include_next in a file included by absolute path as an
520 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
522 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
524 * cccp.c: Don't define MIN/MAX anymore.
525 * cpplib.c: Likewise.
526 * machmode.h: Likewise.
527 * system.h: Provide definitions for MIN/MAX.
529 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
531 * fix-header.c: Don't define xstrdup here.
533 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
535 * loop.c (consec_sets_giv): New argument last_consec_insn.
536 (strength_reduce): Provide / use it.
538 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
540 * loop.h (loop_info): New field 'vtop'.
541 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
542 scanning loop for vtop.
543 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
544 (loop_iterations): Use them to determine if loop has a constant
545 number of iterations. Set loop_info->vtop. Don't subtract
546 common reg term from initial_value and final_value if have a
549 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
551 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
553 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
555 * mn10200.md (abssf2, negsf2): New expanders.
557 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
559 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
561 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
562 replaced by a CONCAT whoes components do not have the same
563 mode as the original SUBREG, use a new SUBREG to restore the
566 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
567 multiword complex values.
569 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
571 * cppalloc.c: Add xstrdup here.
572 * cpplib.h: Remove savestring prototype.
573 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
575 * cppfiles.c: s/savestring/xstrdup/ throughout.
577 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
579 * cpplib.c: Make all directive handlers read their own
581 (struct directive): Remove last two arguments from FUNC
582 member prototype. Remove `command_reads_line' member
584 (directive_table): Remove initializations of
585 command_reads_line flag. Pretty-print.
586 (eval_if_expression, do_define, do_line, do_include,
587 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
588 do_else, do_elif, do_sccs, do_assert, do_unassert,
589 do_warning): Take only two args.
591 (cpp_define): Call do_define with two args and the text to
592 define stuffed into a buffer.
593 (make_assertion): Call do_assert with two args.
594 (handle_directive): Call do_line with two args. Call
595 kt->func with two args. Remove command_reads_line
597 (do_define, do_undef, do_error, do_warning, do_pragma,
598 do_sccs): Read the rest of the line here.
599 (do_ident): Gobble rest of line, as cccp does.
600 (cpp_undef): New function.
601 (cpp_start_read): Call cpp_undef instead of do_undef.
603 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
605 * cpphash.h (union hash_value): Remove `keydef' member, add a
606 `struct hashnode *aschain' member for #assert.
608 * cpplib.c (struct tokenlist_list, struct
609 assertion_hashnode): Delete structure definitions.
610 (assertion_install, assertion_lookup, delete_assertion,
611 check_assertion, compare_token_lists, reverse_token_list,
612 read_token_list, free_token_list): Delete functions.
613 (parse_assertion): New function.
614 (cpp_cleanup): Don't destroy the assertion_hashtable.
616 (do_assert): Gut and rewrite. #assert foo (bar) places
617 entries for `#foo' and `#foo(bar)' in the macro hash table,
618 type T_ASSERT. The value union's `aschain' member is used
619 to chain all answers for a given predicate together.
620 (do_unassert): Also rewritten. Take an un-asserted
621 answer off the chain from its predicate and call
622 delete_macro on the hashnode, or walk a predicate chain
623 calling delete_macro on all the entries.
624 (cpp_read_check_assertion): Simply call parse_assertion to
625 get the canonical assertion name, and look that up in the
628 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
631 * cpphash.c (install): Use bcopy instead of an explicit loop
632 to copy the macro name.
634 * cppexp.c (cpp_lex): Convert the result of
635 cpp_read_check_assertion to a `struct operation' directly;
636 don't go through parse_number.
638 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
640 * loop.h (struct induction): Delete times_used member.
641 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
642 (n_times_used): Rename to n_times_set. Changed all users.
643 (scan_loop): Free reg_single_usage before strength reduction.
644 (record_giv, combine_givs): Remove handling of times_used member.
645 (combine_givs_used_once): Rename to:
646 (combine_givs_used_by_other) . Changed all callers.
648 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
650 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
651 instead of TREE_CODE_CLASS == 't'.
652 (gen_type_die): Likewise.
653 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
655 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
657 * real.c (endian): Disable last change unless
658 HOST_BITS_PER_WIDE_INT is greater than 32.
660 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
662 * output.h (force_data_section): New prototype.
663 * varasm.c (force_data_section): New function to force the
664 data section, regardless of what in_section thinks.
665 * dwarf2out.c (output_call_frame_info): Call force_data_section
666 since varasm may not realize we've changes sections.
668 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
670 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
671 after completeing reload.
673 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
674 deleted after reload.
676 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
678 * rtl.h (multiple_sets): Fix prototype.
679 * rtlanal.c (multiple_sets): Fix return type.
681 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
683 * version.c: Bump for snapshot.
685 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
687 * version.c: Bump for snapshot.
689 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
691 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
693 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
695 * rtl.h (recompute_reg_usage): Add second argument.
696 * flow.c (recompute_reg_usage): Likewise.
697 * toplev.c (rest_of_compilation): Supply second argument to
700 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
703 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
705 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
706 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
707 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
710 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
712 * rtlanal.c (multiple_sets): New function.
713 * rtl.h (multiple_sets): Declare it.
714 * local-alloc.c (wipe_dead_reg): Use it.
715 * global.c (global_conflicts): Likewise.
717 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
719 * global.c (record_conflicts): Don't use an array of shorts to
720 store an array of ints.
721 (global_conflicts): Likewise.
723 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
725 * alpha.c (alpha_expand_block_move): mode_for_size expects
726 bits, not bytes. Infer extra alignment from addressof.
728 1998-12-11 Michael Meissner <meissner@cygnus.com>
730 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
731 .sbss section, not .sdata.
733 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
735 * cccp.c: Do not #include <sys/stat.h> here; this is already done
737 * collect2.c: Likewise.
738 * cpplib.h: Likewise.
741 * getpwd.c: Likewise.
742 * protoize.c: Likewise.
743 * toplev.c: Likewise.
745 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
746 and don't try to define it here.
747 * Makefile.in (cppmain.o): Depend on machmode.h.
748 (cpplib.o): Likewise.
749 (cpperror.o): Likewise.
750 (cppexp.o): Likewise.
751 (cppfiles.o): Likewise.
752 (cpphash.o): Likewise.
753 (cppalloc.o): Likewise.
754 (fix-header.o): Likewise.
755 (scan-decls.o): Likewise.
757 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
759 * sh.c (print_operand): lookup interrupt_handler attribute instead
760 of relying on static variable.
761 * (calc_live_regs): Likewise.
762 * (sh_pragma_insert_attributes): Create interrupt_handler
763 attribute if a pragma was specified
764 * (sh_valid_machine_decl_attribute): Don't set static flag.
765 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
767 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
769 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
770 to determine if a register is live at a jump destination.
771 Everything is dead at a BARRIER.
773 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
775 * cse.c (simplify_unary_operation): Sign-extend constants when
776 they have the most significant bit set for the target.
777 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
779 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
780 HOST_WIDE_INT temporary before negating it.
781 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
783 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
785 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
788 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
790 * collect2.h: New header file for prototypes.
792 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
794 * collect2.c: Include collect2.h.
797 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
799 * flow.c: Update some comments.
801 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
803 * objc/objc-act.c (cpp_initialized): Removed.
804 (lang_init_options): Initialize cpplib.
805 (lang_decode_option): Move initialization of cpplib to
807 * c-lang.c: (parse_options,parse_in): Added.
808 (lang_init_options): Initialized cpplib here.
809 * c-decl.c (parse_options,cpp_initialized): Removed.
810 (c_decode_option): Move initialization of cpplib to
813 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
815 * reload1.c (reload_combine, reload_combine_note_store):
816 Make STORE_RUID always valid.
817 (reload_combine): Check if BASE is clobbered too early.
819 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
821 * reload.c (find_reloads): Display the insn that cannot be
824 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
826 * cccp.c (create_definition): Fix end of bufer logic.
828 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
830 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
831 pointer parameters changed to use the PARAMS() macro.
833 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
835 * except.h (struct handler_info): Add handler_number field.
836 * except.c (gen_exception_label): EH labels no longer need to be
837 on the permanent obstack.
838 (get_new_handler): Set the label number field.
839 (output_exception_table_entry): Regenerate handler label reference
840 from the label number field.
841 (init_eh): Remove a blank line.
842 * integrate.c (get_label_from_map): Labels no longer need to be
843 on the permanent obstack.
845 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
847 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
848 only when OUTER_CODE is SET.
850 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
852 * loop.c (strength_reduce): If scan_start points to the loop exit
853 test, be wary of subversive use of gotos inside expression statements.
854 Don't set maybe_multiple for a backward jump that does not
855 include the label under consideration into its range.
856 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
858 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
860 * explow.c (plus_constant_wide): Don't immediately return with
861 result of recursive call.
863 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
865 * eh-common.h (struct eh_context): Add table_index for rethrows.
867 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
868 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
869 processed when inlined or unrolled (ie duplicated in some way).
871 * rtl.c (reg_note_name): Add strings for new reg_note enums.
873 * expr.h (rethrow_libfunc): New library decl.
875 * optabs.c (rethrow_libfunc): Initialize.
877 * except.h (struct eh_entry): Add new field 'rethrow_label'.
878 (new_eh_region_entry): No longer exported from except.c.
879 (duplicate_handlers): Renamed to duplicate_eh_handlers and
881 (rethrow_symbol_map, rethrow_used): New exported functions.
882 (eh_region_from_symbol): New exported function.
884 * except.c (create_rethrow_ref): New function to create a single
885 SYMBOL_REF for a rethrow region.
886 (push_eh_entry): Initialize a rethrow ref.
887 (func_eh_entry): Add a rethrow_label field.
888 (new_eh_region_entry): Make static, and initialize the rethrow entry.
889 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
890 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
891 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
892 a region into an appropriate new symbol.
893 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
894 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
895 (end_catch_handler): Emit a barrier for new-exceptions since
896 control can never drop through the end of a catch block.
897 (expand_end_all_catch): new-exceptions never fall through a catch
899 (expand_rethrow): use __rethrow routine for new exceptions.
900 (output_exception_table_entry): Generate rethrow labels, if needed.
901 (output_exception_table): Generate start and end rethrow labels.
902 (init_eh): Create rethrow symbols for beginning and end of table.
903 (scan_region): Don't eliminate EH regions which are the targets of
906 * flow.c (make_edges): Add different edges for rethrow calls,
907 identified by having the REG_EH_RETHROW reg label.
908 (delete_unreachable_blocks): Don't delete regions markers which are
909 the target of a rethrow.
911 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
912 allow save_for_inline_copying to call duplicate_eh_handlers.
913 (save_for_inline_copying): Call duplicate_eh_handlers instead of
914 exposing internal details of exception regions.
915 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
916 (expand_inline_function_eh_labelmap): New callback routine to
917 allow expand_inline_function to call duplicate_eh_handlers.
918 (expand_inline_function): Call duplicate_eh_handlers instead of
919 exposing internal details of exception regions.
920 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
923 * libgcc2.c (find_exception_handler): Generalize to enable it to
924 pick up processing where it left off last time for a rethrow.
925 (__unwinding_cleanup): New function. debug hook which is called before
926 unwinding when __throw finds there is nothing but cleanups left.
927 (throw_helper): Common parts of __throw extracted out for reuse.
928 (__throw): Common parts moved to throw_helper.
929 (__rethrow): New function for performing rethrows.
931 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
933 * reload1.c (current_function_decl): Tweak declaration.
935 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
937 * c-decl.c (flag_isoc9x): Default off.
938 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
939 * cccp.c (print_help, main): Likewise.
940 * gcc.c (default_compilers): Update for -std=gnu*.
942 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
944 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
945 * demangle.h: Deleted.
947 * reload1.c (current_function_decl): Declare.
949 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
951 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
953 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
955 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
957 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
959 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
961 * configure: Rebuilt.
962 * system.h: If the *_unlocked functions are available use them
963 instead of the locked counterparts by defining macros.
964 * config.in: Regenerated.
966 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
968 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
969 wrong and should only be used for dump related things, not
970 debugging information, instead main_input_filename should be used.
971 Also, reuse output_file_directive if possible.
972 * i386/aix386ng.h (ASM_FILE_START): Likewise.
973 * i386/isc.h (ASM_FILE_START): Likewise.
974 * i386/win-nt.h (ASM_FILE_START): Likewise.
975 * i386/sun386.h (ASM_FILE_START): Likewise.
977 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
979 * configure.in (mips*-*-linux*): Handle big and little endian
981 * configure: Rebuilt.
983 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
985 * emit-rtl.c: Fix typo.
987 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
989 * reload1.c (eliminate_regs): Don't do anything, if we're not
992 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
994 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
996 * mips/mips.c (mips_select_section): Add comment.
998 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1000 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1001 characters in file names in #line to be consistent with #include
1002 handling. We support escape prcessing in the # 1 "..." version of
1003 the command. See also support in cp/lex.c.
1004 (handle_directive): Likewise.
1005 (do_line): Likewise.
1007 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1009 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1010 so it'll work on non-ASCII platforms. Always consider $ an
1011 identifier character. Take no arguments.
1012 (cpp_reader_init): Call initialize_char_syntax with no
1014 (cpp_start_read): Don't call initialize_char_syntax again.
1015 Clear is_idchar['$'] and is_idstart['$'] if not
1016 opts->dollars_in_ident.
1018 * cpplib.h (struct cpp_reader): Replace void *data element by
1019 cpp_options *opts. Rearrange elements to make gdb printout
1020 less annoying (put buffer stack at end).
1021 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1023 * cppmain.c: s/data/opts/ when initializing cpp_reader
1025 * c-decl.c: Likewise.
1026 * objc/objc-act.c: Likewise.
1027 * fix-header.c: Likewise.
1029 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1031 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1032 with a struct file_name_list pointer.
1033 (struct cpp_reader): Add pointer to chain of `actual
1034 directory' include searchpath entries.
1035 (struct file_name_list): Add *alloc pointer for the sake of
1036 the actual-directory chain.
1038 Move definition of HOST_WIDE_INT here.
1039 (cpp_parse_escape): Change prototype to match changes in
1042 * cppfiles.c (actual_directory): New function.
1043 (finclude): Use it to initialize the buffer's actual_dir
1045 (find_include_file): We don't need to fix up max_include_len
1048 * cpplib.c (do_include): Don't allocate a file_name_list on
1049 the fly for current directory "" includes, use the one that's
1050 been preallocated in pfile->buffer->actual_dir. Hoist out
1051 duplicate code from the search_start selection logic.
1052 (cpp_reader_init): Initialize pfile->actual_dirs.
1054 Remove definition of HOST_WIDE_INT. Change calls
1055 to cpp_parse_escape to match changes in cppexp.c (note
1056 hardcoded MASK, which is safe since this is the source
1059 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1060 to handle wide character constants in #if directives. The
1061 function now returns a HOST_WIDE_INT, and takes a third
1062 argument which is a binary mask for all legal values (0x00ff
1063 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1064 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1065 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1067 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1069 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1071 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1073 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1074 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1075 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1077 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1079 * final.c (output_asm_name): Use tabs to seperate comments from
1082 Include instruction lengths (if defined) in output.
1084 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1086 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1087 in the loop_info structure.
1089 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1091 * configure.in: (arm*-*-ecos-elf): New target.
1092 * configure: Regenerated.
1093 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1094 * config/arm/ecos-elf.h: New file.
1095 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1098 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1100 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1102 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1104 * version.c: Bump for snapshot.
1106 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1108 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1111 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1113 * version.c: Bump for snapshot.
1115 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1117 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1118 compressed reports are ok and preferred over URLs
1120 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1122 * invoke.texi (Warning Options): Soften the tone of -pedantic
1124 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1126 * print-rtl.c (print_rtx): Add prototype.
1128 * unroll.c (iteration_info): Make it static.
1130 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1132 * alias.c (memrefs_conflict_p): A second ANDed address
1133 disables the aligned address optimization.
1135 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1137 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1140 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1142 * i960.h (BOOL_TYPE_SIZE): Define.
1144 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1146 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1147 from old valid_parallel_operands_4.
1148 (valid_parallel_operands_4): Check that operands for 4 operand
1149 parallel insns are valid, excluding load/store insns.
1150 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1151 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1152 valid_parallel_load_store instead of valid_parallel_operands_4.
1153 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1154 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1155 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1156 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1157 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1158 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1159 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1161 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1163 * config/c4x/c4x.c (iteration_info): Delete extern.
1165 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1167 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1169 * final.c (cleanup_subreg_operands): Delete some unused code.
1171 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1172 (struct insn_alternative): New structure definition.
1173 (recog_op_alt): Declare variable.
1174 (preprocess_constraints): Declare function.
1175 * recog.c (recog_op_alt): New variable.
1176 (extract_insn): Verify number of alternatives is in range.
1177 (preprocess_constraints): New function.
1178 * reg-stack.c: Include recog.h.
1179 (constrain_asm_operands): Delete.
1180 (get_asm_operand_lengths): Delete.
1181 (get_asm_operand_n_inputs): New function.
1182 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1183 N_OUTPUTS args. All callers changed.
1184 Compute number of inputs and outputs here by calling
1185 get_asm_operand_n_inputs.
1186 Instead of constrain_asm_operands, call extract_insn,
1187 constrain_operands and preprocess_constaints. Use information
1188 computed by these functions throughout.
1189 (record_reg_life): Delete code that is unused due to changes in
1190 record_asm_reg_life.
1191 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1192 N_INPUTS and N_OUTPUTS args. All callers changed.
1193 Similar changes as in record_asm_reg_life.
1194 (subst_stack_regs): Move n_operands declaration into the if statement
1196 Delete code that is unused due to changes in subst_asm_stack_regs.
1197 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1199 * Makefile.in (reg-stack.o): Depend on recog.h.
1201 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1203 * except.c (set_exception_version_code): Argument is an "int".
1205 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1207 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1208 * configure: Rebuilt.
1210 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1212 * configure.in (mipsel-*-linux*): New target.
1213 * mips/linux.h: New file, based on other Linux targets.
1215 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1217 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1218 runs in the context of the deleter, not the deletee, so we must
1219 use taskVarGet to find the correct memory to free.
1220 (__gthread_key_create): Initialize the task
1221 variable subsystem so that the task variable is still active when
1222 the delete hook is run.
1224 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1226 * pdp11.h: Use optimize_size for space optimizations.
1227 * pdp11.c: Likewise.
1228 * pdp11.md: Likewise.
1230 * pdp11.h (TARGET_40_PLUS): Fix typo.
1232 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1234 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1237 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1239 * alias.c (addr_side_effect_eval): New function.
1240 (memrefs_conflict_p): Use it.
1241 * rtl.h (addr_side_effect_eval): Prototype it.
1243 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1245 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1247 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1249 * reload.c (find_reloads): When force const to memory, put result
1250 in substed_operand not *recog_operand_loc.
1252 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1254 * c-lex.c: Fix indentation from last patch.
1255 Remove trailing whitespace.
1258 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1260 * flow.c (delete_block): Call set_last_insn after we have reset
1261 NEXT_INSN (kept_tail).
1263 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1265 * mips.md (trap_if): Use "$0" for the value zero.
1267 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1268 Stephen L Moshier <moshier@world.std.com>
1269 Richard Henderson <rth@cygnus.com>
1271 * c-common.c (declare_function_name): Declare predefinied variable
1274 * c-decl.c (flag_isoc9x): Set to 1 by default.
1275 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1276 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1278 * c-parse.in: Allow constructors in ISO C 9x.
1279 Rewrite designator list handling.
1280 Allow [*] parameters.
1281 Don't warn about comma at end of enum definition for ISO C 9x.
1283 * cccp.c (c9x): New variable.
1284 (rest_extension): New variable.
1285 (print_help): Document new -std= option.
1286 (main): Recognize -std= option. Set c9x appropriately.
1287 (create_definition): Recognize ISO C 9x vararg macros.
1289 * gcc.c (default_compilers): Adjust specs for -std options.
1290 (option_map): Add --std.
1291 (display_help): Document -std.
1293 * toplev.c (documented_lang_options): Add -std and remove
1296 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1297 or REAL_VALUE_HTOF based on base of the constants.
1298 * fold-const.c (real_hex_to_f): New function. Replacement function
1299 for hex FP conversion if REAL_ARITHMETIC is not defined.
1300 * real.c (asctoeg): Add handling of hex FP constants.
1301 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1304 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1306 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1307 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1308 expansion. Use hi/lo as destination register.
1310 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1311 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1312 Avoid as macro expansion. Use hi/lo as destination register.
1314 * mips.h (MASK_CHECK_RANGE_DIV): New.
1315 (MASK_NO_CHECK_ZERO_DIV): New.
1316 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1317 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1318 return address for leaf functions out of r31 to support
1319 builtin_return_address.
1321 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1323 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1324 NEXT_INSN(x) to check insn x.
1326 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1328 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1329 last insn in the rtl chain.
1331 * reload1.c (reload): Do not set reload_completed or split insns
1333 * toplev.c (rest_of_compilation): Set reload_completed after
1334 reload returns. Split insns after reload_cse has run.
1336 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1338 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1340 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1342 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1344 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1346 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1347 use of user-label_prefix.
1349 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1351 * reload1.c (emit_reload_insns): Clear spill_reg_store
1352 when doing a new non-inherited reload from the same pseudo.
1354 * local-alloc.c (function_invariant_p): New function.
1355 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1356 to decide if an equivalence should be recorded.
1357 * reload1.c (num_eliminable_invariants): New static variable.
1358 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1359 to decide if an equivalence should be recorded.
1361 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1362 Take num_eliminable_invariants into account when deciding
1363 if register elimination should be done.
1364 (reload_as_needed): Take num_eliminable_invariants into account
1365 when deciding if register elimination should be done.
1366 (eliminate_regs): Handle non-constant reg_equiv_constant.
1367 * rtl.h (function_invariant_p): Declare.
1369 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1371 * version.c: Bump for snapshot.
1373 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1375 * version.c: Bump for snapshot.
1377 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1379 * except.c (add_new_handler): Complain about additional handlers
1380 after one that catches everything.
1382 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1384 * configure.in (alpha*-*-netbsd): Fix typo.
1385 * configure: Rebuilt.
1387 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1389 * system.h: Include libiberty.h.
1391 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1392 function `concat' from fixed parameters to variable parameters,
1393 as is done in libiberty. All callers of concat/concat3
1394 changed to use the new `concat' with variable args.
1396 * cccp.c: Remove things made redundant by libiberty.h and/or
1397 conform to libiberty standards.
1399 * collect2.c: Likewise.
1400 * config/1750a/1750a.h: Likewise.
1401 * cppalloc.c: Likewise.
1402 * cppexp.c: Likewise.
1403 * cppfiles.c: Likewise.
1404 * cpphash.c: Likewise.
1405 * cpplib.c: Likewise.
1406 * dyn-string.c: Likewise.
1407 * fix-header.c: Likewise.
1410 * genattr.c: Likewise.
1411 * genattrtab.c: Likewise.
1412 * gencheck.c: Likewise.
1413 * gencodes.c: Likewise.
1414 * genconfig.c: Likewise.
1415 * genemit.c: Likewise.
1416 * genextract.c: Likewise.
1417 * genflags.c: Likewise.
1418 * gengenrtl.c: Likewise.
1419 * genopinit.c: Likewise.
1420 * genoutput.c: Likewise.
1421 * genpeep.c: Likewise.
1422 * genrecog.c: Likewise.
1423 * getpwd.c: Likewise.
1424 * halfpic.c: Likewise.
1426 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1427 in NEED_DECLARATION_* macros.
1429 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1430 conform to libiberty standards.
1431 (fatal): Fix const-ification of variable `format' in
1432 !ANSI_PROTOTYPES case.
1434 * prefix.c: Remove things made redundant by libiberty.h and/or
1435 conform to libiberty standards.
1437 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1438 conflicting with function `spaces' from libiberty.
1440 * profile.c: Remove things made redundant by libiberty.h and/or
1441 conform to libiberty standards.
1442 * protoize.c: Likewise.
1445 * tlink.c: Likewise.
1446 * toplev.c: Likewise.
1447 * toplev.h: Likewise.
1450 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1452 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1454 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1456 * README.C4X: Updated URLs.
1457 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1458 (valid_parallel_operands_5): Remove unused variable.
1460 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1462 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1464 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1466 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1467 which can be configured.
1468 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1469 (Makefile): Pass actual LANGUAGES through the environment when
1471 (cstamp-h): Likewise.
1472 (config.status): Likewise.
1474 * configure.in (enable_languages): Add new configuration parameter
1475 "--enable-languages=lang1,lang2,...".
1476 (${srcdir}/*/config-lang.in): Change handling to configure only
1477 those directories, that the user might have enabled; default to
1478 "all" existing languages.
1479 * configure: Regenerate.
1481 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1483 * rtlanal.c (regs_set_between_p): New function.
1484 * rtl.h (regs_set_between_p): Prototype it.
1485 * jump.c (jump_optimize): Use it instead of modified_between_p
1486 in the Sep 2 change.
1488 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1489 Matthias Pfaller <leo@dachau.marco.de>
1491 * invoke.texi (Option Summary, NS32K Options): add description
1492 of NS32K specific options.
1494 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1495 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1496 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1497 negdf2, absdf2): Use l instead of f since the double class and
1498 float class are no longer the same.
1499 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1500 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1501 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1502 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1504 (cmpsi, cmphi, cmpqi): use general_operand instead of
1505 non_immediate_operand. Removes erroneous assumption that can't
1507 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1508 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1510 (movstrsi, movstrsi1, movstrsi2): completely new block move
1512 (...): Patterns to exploit multiply-add instructions.
1513 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1514 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1515 patterns to exploit extended divide insns.
1516 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1519 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1520 float return values as well as simple scalar floats.
1521 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1522 support new flag to denote 32381 fpu.
1523 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1524 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1526 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1527 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1528 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1529 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1530 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1531 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1532 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1533 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1534 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1535 fpu registers and special register classes for new 32381
1536 instructions dotf and polyf.
1537 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1539 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1540 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1542 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1543 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1544 (REGISTER_MOVE_COST): move code to register_move_cost function for
1545 ease of coding and debugging.
1546 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1547 LONG_FLOAT_REGO is likely spilled but not caught by default
1549 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1550 instead of hard coded numbers in range check.
1551 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1552 (...): Add prototypes for functions in ns32k.c but disable because
1553 of problems when ns32k.h is included in machine independant files.
1555 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1556 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1557 hard_regno_mode_ok, secondary_reload_class,
1558 print_operand, print_operand_address): new register scheme to
1559 include 32381 fpu registers and special register classes for new
1560 32381 instructions dotf and polyf.
1561 (gen_indexed_expr): Make static to keep namespace clean.
1562 (check_reg): remove since never called.
1563 (move_tail, expand_block_move): helper functions for "movstrsi"
1565 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1566 Increase cost of moves which go via memory.
1567 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1568 (CPP_PREDEFINES): nolonger predefine "unix".
1570 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1571 Remove erroneous %$. print_operand() can work out from the rtx is
1572 an immediate prefix is required.
1574 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1575 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1576 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1578 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1581 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1582 Correct handling of pic operands.
1583 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1584 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1585 -mrtd calling convention.
1587 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1589 * gcc.c (option_map): Recognize --output-class-directory.
1591 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1593 * loop.h (precondition_loop_p): Added new mode argument.
1594 * unroll.c (precondition_loop_p): Likewise.
1595 (approx_final_value): Function deleted and subsumed
1596 into loop_iterations.
1597 (loop_find_equiv_value): New function.
1598 (loop_iterations): Use loop_find_equiv_value to find increments
1599 too large to be immediate constants. Also use it to find terms
1600 common to initial and final iteration values that can be removed.
1602 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1604 * loop.h (struct loop_info): Define new structure.
1605 (precondition_loop_p): Added prototype.
1606 (unroll_loop): Added new argument loop_info to prototype.
1607 (final_biv_value, final_giv_value): Added new argument n_iterations
1609 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1610 and new pointer loop_info.
1611 (loop_n_iterations): Replace global variable by element in
1612 loop_info structure.
1613 (check_final_value): New argument n_iterations.
1614 (insert_bct): New argument loop_info.
1615 (loop_unroll_factor): Replace global array by element in
1616 loop_info structure.
1617 (loop_optimize): Remove code to allocate and initialise
1618 loop_unroll_factor_array.
1619 * unroll.c (precondition_loop_p): No longer static since
1620 used by branch on count optimization.
1621 (precondition_loop_p, unroll_loop): New argument loop_info.
1622 (final_biv_value, final_giv_value, find_splittable_regs): New
1623 argument n_iterations.
1624 (loop_iteration_var, loop_initial_value, loop_increment,
1625 loop_final_value, loop_comparison_code, loop_unroll_factor):
1626 Replaced global variables by loop_info structure.
1627 (loop_unroll_factor): Replace global array by element in
1628 loop_info structure.
1630 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1632 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1635 * unroll.c (precondition_loop_p): Return loop_initial_value
1636 for initial_value instead of loop_iteration_var.
1638 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1640 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1641 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1642 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1643 to output the instruction sequences.
1645 (rptb_top): Provide alternatives to use any register or memory
1647 (rptb_end): Emit use of operands rather than assigning them
1648 explicitly to the RS and RE registers.
1650 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1652 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1653 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1654 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1655 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1656 c4x_merge_notes, c4x_parallel_process,
1657 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1658 c4x_combine_parallel): Delete.
1660 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1662 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1663 with old target options clear flag_branch_on_count_reg if
1664 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1666 (c4x_output_cbranch): Handle a sequence of insns rather than a
1668 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1669 has not been allocated as the loop counter.
1670 (c4x_address_conflict): Do not allow two volatile memory references.
1671 (valid_parallel_operands_4, valid_parallel_operands_5,
1672 valid_parallel_operands_6): Reject pattern if the register destination
1673 of the first set is used as part of an address in the second set.
1675 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1677 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1678 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1679 is no longer enabled if PARALLEL_MPY_FLAG set.
1680 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1681 (REG_CLASS_CONTENTS): Add braces around initializers.
1682 (HAVE_MULTIPLE_PACK): Define.
1683 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1684 REAL_VALUE_TO_DECIMAL.
1685 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1686 REAL_VALUE_TO_DECIMAL.
1687 (ar0_reg_operand): Add prototype.
1688 (ar0_mem_operand): Likewise.
1689 (ar1_reg_operand): Likewise.
1690 (ar1_mem_operand): Likewise.
1691 (ar2_reg_operand): Likewise.
1692 (ar2_mem_operand): Likewise.
1693 (ar3_reg_operand): Likewise.
1694 (ar3_mem_operand): Likewise.
1695 (ar4_reg_operand): Likewise.
1696 (ar4_mem_operand): Likewise.
1697 (ar5_reg_operand): Likewise.
1698 (ar5_mem_operand): Likewise.
1699 (ar6_reg_operand): Likewise.
1700 (ar6_mem_operand): Likewise.
1701 (ar7_reg_operand): Likewise.
1702 (ar7_mem_operand): Likewise.
1703 (ir0_reg_operand): Likewise.
1704 (ir0_mem_operand): Likewise.
1705 (ir1_reg_operand): Likewise.
1706 (ir1_mem_operand): Likewise.
1707 (group1_reg_operand): Likewise.
1708 (group1_mem_operand): Likewise.
1709 (ir1_reg_operand): Likewise.
1710 (arx_reg_operand): Likewise.
1711 (not_rc_reg): Likewise.
1712 (not_modify_reg): Likewise.
1713 (c4x_group1_reg_operand): Remove prototype.
1714 (c4x_group1_mem_operand): Likewise.
1715 (c4x_arx_reg_operand): Likewise.
1717 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1719 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1720 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1722 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1724 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1727 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1729 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1730 unless FMOVD_WORKS is defined.
1732 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1734 * regclass.c (init_reg_sets): Move code that calculates tables
1735 dependent on reg_class_contents from here...
1736 (init_reg_sets_1): To here.
1738 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1740 * cpplib.h: Delete struct import_file. Add ihash element to
1741 struct cpp_buffer. Delete dont_repeat_files and
1742 import_hash_table elements from cpp_reader; change
1743 all_include_files to a hash table. Delete all foobar_include
1744 / last_foobar_include elements from struct cpp_options; put
1745 back four such: quote_include, bracket_include,
1746 system_include, after_include. Redo struct file_name_list
1747 completely. Add new structure type include_hash. Add
1748 prototypes for merge_include_chains and include_hash. Change
1749 prototypes for finclude, find_include_file, and
1750 append_include_chain to match changes below.
1752 * cppfiles.c (simplify_pathname, include_hash,
1753 remap_filename, merge_include_chains): New functions.
1754 (add_import, lookup_import, open_include_file): Removed.
1755 (INO_T_EQ): Define this (copied from cccp.c).
1756 (hack_vms_include_specification): Remove all calls and #if 0
1757 out the definition. It was being called incorrectly and at
1758 the wrong times. Until a VMSie can look at this, it's better
1759 to not pretend to support it.
1760 (append_include_chain): Change calling convention; now takes
1761 only one directory at a time, and sets up the data structure
1763 (redundant_include_p): Rewritten - this is now used for all
1764 include redundancy, whether by #ifndef, #import, or #pragma
1765 once. Looks up things in the include hash table.
1766 (file_cleanup): Decrement pfile->system_include_depth here if
1768 (find_include_file): Calling convention changed; now passes
1769 around a struct include_hash instead of 3 separate parameters.
1770 Guts ripped out and replaced with new include_hash mechanism.
1771 (finclude): Calling convention changed as for
1772 find_include_file. Error exits pulled out-of-line. Reformat.
1773 (safe_read): Return a long, not an int.
1774 (deps_output): Don't recurse.
1776 * cpplib.c (is_system_include): Deleted.
1777 (path_include): Fix up call to append_include_chain.
1778 (do_include): Fix up calls to find_include_file and finclude.
1779 Clean up dependency output a bit. Shorten obnoxiously lengthy
1780 #import warning message. Don't decrement
1781 pfile->system_include_depth here.
1782 (do_pragma): Understand the include_hash structure. Reformat.
1783 (do_endif): Correct handling of control macros. Understand
1785 (cpp_start_read): Fix up calls to finclude. Call
1786 merge_include_chains.
1787 (cpp_handle_option): Fix up calls to append_include_chain.
1788 Understand the four partial include chains.
1789 (cpp_finish): Add debugging code (#if 0-ed out) for the
1791 (cpp_cleanup): Free the include_hash, not the import hash and
1792 the all_include and dont_repeat lists which no longer exist.
1794 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1796 * toplev.c (no_new_pseudos): Define.
1797 (rest_of_compilation): Set no_new_pseudos as needed.
1798 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1799 if no_new_pseudos is set.
1800 * rtl.h (no_new_pseudos): Declare it.
1801 * reload1.c (reload): Update comments.
1802 * md.texi: Corresponding changes.
1804 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1806 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1807 (choose_reload_regs): Rename it here as well. When computing it,
1808 also merge in used hardregs.
1810 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1812 * gcc.c: Split out Objective-C specs to...
1813 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1816 * c-lex.c (init_parse): Always initialize the filename global.
1817 * objc/objc-act.c (lang_init): Always call check_newline at
1820 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1822 * reload1.c (reload): Remove unused variable.
1823 (reload_reg_free_for_value_p): Add missing parameter definition.
1825 * jump.c (jump_optimize): Remove unused variable.
1827 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1829 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1831 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1833 * expr.c (move_by_pieces): Similarly.
1834 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1835 * flow.c (find_auto_inc): Similarly.
1836 (try_pre_increment): Similarly.
1837 * loop.c (strength_reduce): Similarly.
1838 * regclass.c (auto_inc_dec_reg_p): Similarly.
1839 * regmove.c (try_auto_increment): Similarly.
1840 (fixup_match_1): Similarly.
1841 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1842 (HAVE_PRE_DECREMENT): Similarly.
1843 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1844 * Corresponding changes to all target header files.
1845 * tm.texi: Update docs for autoinc addressing modes.
1847 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1849 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1850 * configure: Rebuild.
1851 * config/elfos.h: New file.
1852 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1853 config/m68k/t-m68kelf: New file.
1855 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1857 * Makefile.in (HOST_AR): Define.
1858 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1859 (libcpp.a): Use the host tools explicitly.
1860 (STAGESTUFF): Add libcpp.a.
1862 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1864 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1865 to source and destination registers.
1867 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1869 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1870 The strategy we now use is to pre allocate the top_elt along
1871 with the EH context so that each thread has its own top_elt.
1872 This is necessary as the dynmanic cleanup chain is used on the
1873 top element of the stack and each thread MUST have its own.
1874 (eh_context_static): Likewise.
1875 (new_eh_context): Likewise.
1876 (__sjthrow): Likewise.
1878 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1880 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1881 * i386.md (prologue_get_pc): Remove unused variable.
1883 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1885 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1887 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1889 * Makefile.in (OBJS): Add graph.o
1890 (graph.o): New dependency list.
1891 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1892 * print-rtl.c (dump_for_graph): Define new variable.
1893 (print_rtx): Rewrite to allow use in graph dumping functions.
1894 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1895 finish_graph_dump_file.
1896 Define graph_dump_format.
1897 (compile_file): If graph dumping is enabled also clear these files.
1898 Finish graph dump files.
1899 (rest_of_compilation): Also dump graph information if enabled.
1900 (main): Recognize -dv to enabled VCG based graph dumping.
1901 * graph.c: New file. Graph dumping functions.
1903 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1905 * configure.in: Look for <sys/stat.h>.
1906 * system.h: Include it before substitute S_ISREG definitions.
1908 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1910 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1911 * config/mips/iris6.h: Same.
1912 * config/mips/mips.md: Same.
1913 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1914 * config/mips/mips.h: Same; also define ABI_O64.
1916 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1918 * configure.in: Use AC_PREREQ(2.12.1).
1920 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1922 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1923 * cpplib.c, gcc.c: Likewise.
1924 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1926 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1928 * local-alloc.c (local_alloc): Use malloc not alloca for
1929 reg_qty, reg_offset, ref_next_in_qty.
1931 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1933 * caller-save.c (insert_one_insn): Initialize the live_before and
1934 live_after register sets.
1938 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1939 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1940 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1941 (fp_reg_names, assembler_dialect): New variables.
1942 (print_operand_address): Handle SUBREGs.
1943 (print_operand): Added 'o' case.
1944 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1945 Name of FP registers depends on mode.
1946 (expand_block_move): Emit different code for SH4 hardware.
1947 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1948 (from_compare): Likewise.
1949 (add_constant): New argument last_value. Changed all callers.
1950 (find_barrier): Don't try HImode load for FPUL_REG.
1951 (machine_dependent_reorg): Likewise.
1952 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1953 (gen_far_branch): Emit a barrier after the new jump.
1954 (barrier_align): Don't trust instruction lengths before
1956 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1957 Use auto-inc addressing for fp registers if doubles need to
1958 be loaded in two steps.
1959 Set sh_flag_remove_dead_before_cse.
1960 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1961 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1962 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1963 Support for FIRST_XD_REG .. LAST_XD_REG.
1964 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1965 (sh_expand_epilogue): Likewise.
1966 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1967 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1968 (arith_reg_operand): FPUL_REG is OK for SH4.
1969 (fp_arith_reg_operand, fp_extended_operand) New functions.
1970 (tertiary_reload_operand, fpscr_operand): Likewise.
1971 (commutative_float_operator, noncommutative_float_operator): Likewise.
1972 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1973 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1974 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1975 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1976 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1977 (CONDITIONAL_REGISTER_USAGE): Likewise.
1978 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1979 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1980 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1981 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1982 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1983 to -1 and sh_flag_remove_dead_before_cse to 1.
1984 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1985 (assembler_dialect, fp_reg_names): Declare.
1986 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1987 Hide names of registers that are not accessible.
1988 (CACHE_LOG): Take TARGET_CACHE32 into account.
1989 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1990 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1991 (FIRST_PSEUDO_REGISTER: Now 49.
1992 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1993 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1994 (HARD_REGNO_MODE_OK): Update.
1995 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1996 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1997 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1998 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1999 (NPARM_REGS): Eight floating point parameter registers on SH4.
2000 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2001 in floating point registers.
2002 (GET_SH_ARG_CLASS) Likewise.
2003 Complex float types are also returned in float registers.
2004 (BASE_ARG_REG): Complex float types are also passes in float registers.
2005 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2006 (LIBCALL_VALUE): Remove trailing semicolon.
2007 (ROUND_REG): Round when double precision value is passed in floating
2009 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2010 passed on the stack.
2011 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2012 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2013 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2014 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2015 (MODE_DISP_OK_8): Not for SH4 DFmode.
2016 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2017 Allow indexed addressing for PSImode after reload.
2018 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2019 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2020 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2021 (DOUBLE_TYPE_SIZE): 64 for SH4.
2022 (RTX_COSTS): Add PLUS case.
2023 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2024 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2025 MAC_REGS, PR_REGS, DF_REGS.
2026 (REGISTER_NAMES): Use fp_reg_names.
2027 (enum processor_type): Add PROCESSOR_SH4.
2028 (sh_flag_remove_dead_before_cse): Declare.
2029 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2030 (PREDICATE_CODES): Add binary_float_operator,
2031 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2032 fpscr_operand, noncommutative_float_operator.
2033 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2034 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2035 * sh.md (attribute cpu): Add value sh4.
2036 (attrbutes fmovd, issues): Define.
2037 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2038 (function units memory, int, mpy, fp): Make dependent on issue rate.
2039 (function units issue, single_issue, load_si, load): Define.
2040 (function units load_store, fdiv, gp_fpul): Define.
2041 (attribute hit_stack): Provide proper default.
2042 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2043 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2044 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2045 (mulsi3_call): Now uses match_operand for function address.
2046 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2048 (push, pop, push_e, pop_e): Now define_expands.
2049 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2050 (movsi_ie): Added y/i alternative.
2051 (ic_invalidate_line_i, movdf_i4): New insns.
2052 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2053 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2054 (movdf): Add special code for SH4.
2055 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2056 (call_valuei, calli, call_value): Likewise.
2057 (movsf): Emit no-op move.
2058 (mov_nop, movsi_y): New insns.
2059 (blt, sge): generalize to handle DFmode.
2060 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2061 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2062 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2063 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2064 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2065 (toggle_sz): New insn.
2066 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2067 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2068 (macsf3): Make use of fpscr visible. Disable for SH4.
2069 (floatsisf2): Make use of fpscr visible.
2070 (floatsisf2_i4): New insn.
2071 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2072 (ieee_ccmpeqsf_t): Likewise.
2073 (fix_truncsfsi2): Emit different code for SH4.
2074 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2075 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2076 (negsf2, sqrtsf2, abssf2): Now expanders.
2077 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2078 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2079 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2080 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2081 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2082 (fix_truncdfsi2_i4_2+1): New splitters.
2083 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2084 (extendsfdf2, truncdfsf2): New expanders.
2085 (truncdfsf2_i4): New insn.
2086 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2087 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2088 * float-sh.h: When testing for __SH3E__, also test for
2089 __SH4_SINGLE_ONLY__ .
2090 * va-sh.h (__va_freg): Define to float.
2091 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2092 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2093 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2094 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2096 (TARGET_SH4_P): Define.
2099 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2100 init_expr_once is satisfied about the existence of load / store insns.
2102 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2103 change m constraint in source operand to mr / mf .
2105 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2107 * (__VA_REEF): Define.
2108 (__va_arg_sh1): Use it.
2110 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2112 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2114 * i386/dgux.c (struct option): Add new "description field".
2115 * m88k/m88k.c (struct option): Likewise.
2117 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2119 * version.c: Bump for snapshot.
2121 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2123 * regmove.c (regmove_profitable_p): Use return value of find_matches
2126 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2128 * version.c: Bump for snapshot.
2130 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2132 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2133 without reload having been called earlier.
2135 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2137 (v850_reorg): Similarly.
2139 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2141 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2143 * loop.c (move_movables): Start of libcall might be new loop start.
2145 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2147 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2149 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2151 * function.c (nonlocal_goto_handler_slots): Renamed from
2152 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2153 (push_function_context_to): Adjust for this change.
2154 (pop_function_context_from): Likewise.
2155 (init_function_start): Likewise.
2156 (expand_function_end): Likewise.
2157 * function.h (struct function): Likewise.
2158 * calls.c (expand_call): Likewise.
2159 * explow.c (allocate_dynamic_stack_space): Likewise.
2160 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2161 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2163 (expand_goto): When doing a nonlocal goto, find corresponding handler
2164 slot for it. Don't put the label address in the static chain register.
2165 (expand_end_bindings): Break out nonlocal goto handling code into
2166 three new functions.
2167 (expand_nl_handler_label, expand_nl_goto_receiver,
2168 expand_nl_goto_receivers): New static functions, broken out of
2169 expand_end_bindings and adapted to create one handler per nonlocal
2171 * function.c (delete_handlers): Delete insn if it references any of
2172 the nonlocal goto handler slots.
2173 * i960.md (nonlocal_goto): Comment out code that modifies
2175 * sparc.md (nonlocal_goto): Likewise.
2176 (goto_handler_and_restore_v9): Comment out.
2177 (goto_handler_and_restore_v9_sp64): Comment out.
2179 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2181 * expr.c (STACK_BYTES): Delete unused macro.
2182 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2183 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2184 (expand_call): Likewise.
2185 (emit_library_call): Likewise.
2186 (emit_library_call_value): Likewise.
2187 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2188 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2189 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2190 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2191 (allocate_dynamic_stack_space): Likewise.
2192 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2193 (STACK_BOUNDARY): Update description to reflect the new situation.
2195 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2197 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2198 return with a filled delay slot is followed by a return with an
2199 unfilled delay slot, delete the first return and reemit the insn
2200 that was previously in its delay slot.
2202 * i860.c (single_insn_src_p): Add missing parens.
2203 * ginclude/math-3300.h: Likewise.
2205 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2207 * regclass.c (init_reg_sets_1): Add prototype.
2208 (init_reg_modes): Likewise.
2210 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2212 * c-common.c: Change warning messages to say `comparison is
2213 always true' or `comparison is always false' instead of the
2214 confusing `is always 0', `is always 1'.
2216 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2218 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2219 break instead of return (which loses closing '>').
2221 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2223 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2224 standard 387 constants.
2226 * i386.md (jump): Explicitly set "memory" attribute.
2227 (indirect_jump, prologue_set_stack_ptr): Likewise.
2228 (prologue_get_pc_and_set_got, pop): Likewise.
2229 (allocate_stack_worder, blockage, return_internal): Likewise.
2230 (return_pop_internal, nop): Likewise.
2231 (epilogue_set_stack_ptr, leave): Likewise.
2233 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2235 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2237 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2239 * reload1.c (reload_reg_free_for_value_p):
2240 Early auto_inc reloads don't conflict with outputs.
2242 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2244 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2245 Instead call AC_HEADER_SYS_WAIT.
2247 * collect2.c: Don't provide defaults for sys/wait.h macros.
2249 * protoize.c: Likewise. Also, don't include sys/wait.h.
2251 * system.h: Include sys/wait.h and provide macro defaults.
2253 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2255 * Makefile.in (mandir): Set to @mandir@.
2256 (man1dir): New variable to hold the former value of $(mandir).
2257 Replace all uses of $(mandir) by $(man1dir).
2259 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2261 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2262 a new one before passing it to force_const_mem.
2264 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2265 find_reloads_address call.
2267 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2269 * expr.c (store_expr): Don't generate load-store pair
2270 if TEMP is identical (according to ==) with TARGET.
2272 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2274 * reload1.c (reload_reg_free_for_value_p): When considered reload
2275 has an output, matching inputs are not sufficient to avoid conflict.
2277 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2279 * hash.h (hash_table_key): New type.
2280 (hash_entry): Change `string' field to generic `key'.
2281 (hash_table): Add `comp' and `hash' functions.
2282 (hash_table_init): Take them as input.
2283 (hash_table_init_n): Likewise.
2284 (hash_lookup): Modify for generic keys.
2285 (hash_newfunc): Likewise.
2286 (hash_traverse): Likewise.
2287 (string_hash): New function.
2288 (string_compare): Likewise.
2289 (string_copy): Likewise.
2290 * hash.c (hash_table_init_n): Modify for generic keys.
2291 (hash_table_init): Likewise.
2292 (hash_lookup): Likewise.
2293 (hash_newfunc): Likewise.
2294 (hash_traverse): Likewise.
2295 (string_hash): Split out from hash_lookup.
2296 (string_compare): New function.
2297 (string_copy): Split out from hash_lookup.
2298 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2300 (symbol_hash_lookup): Likewise.
2301 (file_hash_newfunc): Likewise.
2302 (file_hash_lookup): Likewise.
2303 (demangled_hash_newfunc): Likewise.
2304 (demangled_hash_lookup): Likewise.
2305 (tlink_int): Likewise.
2306 (read_repo_file): Likewise.
2307 (recompile_files): Likewise.
2308 (demangle_new_symbols): Likewise.
2309 (scan_linker_output): Likewise.
2311 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2313 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2315 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2317 * rs6000.c (output_mi_thunk): Improve test for local branch.
2319 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2321 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2323 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2325 * reload1.c (reload_reg_free_before_p): Delete.
2326 Changed all callers to use reload_reg_free_for_value_p instead.
2327 (reload_reg_free_for_value_p): Handle more reload types.
2328 A RELOAD_FOR_INPUT doesn't conflict with its
2329 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2330 Add special case for OUT == const0_rtx.
2331 Added ignore_address_reloads argument. Changed all callers.
2333 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2335 * toplev.c (compile_file): Don't pedwarn about undefined static
2336 functions just because we passed -Wunused.
2338 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2340 * function.c (purge_addressof_1): Unshare rtl created by
2343 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2345 * regmove.c (regmove_optimize): Don't do anything but
2346 optimize_reg_copy[123] when flag_regmove is not set.
2348 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2350 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2351 value in paradoxical SImode result, rather than truncating midpoint.
2353 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2355 * alpha.c (reg_not_elim_operand): New.
2356 * alpha.h (PREDICATE_CODES): Add it.
2357 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2358 for the multiplicand.
2360 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2362 * rs6000.md (movsf): Remove explicit secondary-reload-like
2363 functionality. Only truncate SFmode store if in FPR.
2364 (movsf splitters): Combine const_double splitters.
2365 (movsf_hardfloat): Add GPR support.
2367 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2369 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2370 deprecate -mlive-g0 and -mbroken-saverestore.
2371 * t-splet (MULTILIB_OPTIONS): Likewise.
2373 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2374 in a leaf function. Clarify total_size/extra_size relationship.
2376 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2378 * i386/cygwin32.asm: Delete.
2379 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2380 * i386/cygwin32.h: Delete.
2381 * i386/cygwin.h: New file, renamed from cygwin32.h.
2382 * i386/t-cygwin32: Delete.
2383 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2384 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2385 * i386/x-cygwin32: Delete.
2386 * i386/x-cygwin: New file, renamed from x-cygwin32.
2387 * i386/xm-cygwin32: Delete.
2388 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2389 renamed cygwin_ funcs for path translations.
2390 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2391 * i386/winnt.c: Remove "32" from comment about cygwin.
2392 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2393 * rs6000/cygwin32.h: Delete.
2394 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2395 -D__CYGWIN__ to CPP_PREDEFINES.
2396 * rs6000/x-cygwin32: Delete.
2397 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2398 * rs6000/xm-cygwin32: Delete.
2399 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2401 * configure.in: Check for cygwin* instead of cygwin32. Account
2402 for the rename of cygwin-related config files to lose the "32"s.
2403 * configure: Regenerate.
2405 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2406 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2408 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2410 * Makefile.in (JAVAGC): New macro.
2411 * configure: Rebuilt.
2412 * configure.in: Recognize --enable-java-gc argument. Subst
2415 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2417 Handle equivalences that have been obscured by gcse:
2419 * reload1.c (reload): Handle equivalences set up in multiple places.
2420 * local-alloc.c (reg_equiv_init_insns): New variable.
2421 (no_equiv): New function.
2422 (update_equiv_regs): Handle equivalences set up in multiple places.
2423 Don't ignore an insn just because its destination is likely to be
2426 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2428 * except.c (expand_eh_return): Readd force_operand call lost in
2431 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2433 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2435 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2437 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2439 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2441 * regmove.c (regmove_optimize): Fix error in last change.
2443 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2445 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2446 offset in the .mask pseudo to compensate for frame pointer adjustments.
2447 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2448 word swap arguments moved to/from FP registers.
2449 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2451 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2453 * version.c: Bump for snapshot.
2455 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2457 * version.c: Bump for snapshot.
2459 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2461 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2462 times, then it can not be completely replaced.
2464 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2466 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2468 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2470 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2471 (to distinguish it from the macro wrapping ansidecl.h.)
2472 Include libiberty's ansidecl.h. Remove all redundant definitions.
2473 Define the PROTO() style macros in terms of the PARAMS() ones.
2476 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2477 __STDC__, when deciding whether to use ANSI variable args.
2478 (emit_library_call_value): Likewise.
2480 * cccp.c (error): Likewise.
2481 (warning): Likewise.
2482 (error_with_line): Likewise.
2483 (warning_with_line): Likewise.
2484 (pedwarn): Likewise.
2485 (pedwarn_with_line): Likewise.
2486 (pedwarn_with_file_and_line): Likewise.
2489 * cexp.y (error): Likewise.
2490 (pedwarn): Likewise.
2491 (warning): Likewise.
2493 * collect2.c (fatal_perror): Likewise.
2497 * combine.c (gen_rtx_combine): Likewise.
2499 * cpperror.c (cpp_message): Likewise.
2500 (cpp_fatal): Likewise.
2502 * cpplib.c (cpp_error): Likewise.
2503 (cpp_warning): Likewise.
2504 (cpp_pedwarn): Likewise.
2505 (cpp_error_with_line): Likewise.
2506 (cpp_warning_with_line): Likewise.
2507 (cpp_pedwarn_with_line): Likewise.
2508 (cpp_pedwarn_with_file_and_line): Likewise.
2510 * cpplib.h: Don't define PARAMS() macro.
2512 * demangle.h: Likewise.
2514 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2515 when deciding whether to use ANSI variable args.
2517 * emit-rtl.c (gen_rtx): Likewise.
2518 (gen_rtvec): Likewise.
2520 * final.c (asm_fprintf): Likewise.
2522 * fix-header.c (cpp_message): Likewise.
2524 (cpp_fatal): Likewise.
2526 * gcc.c (concat): Likewise.
2530 * genattr.c (fatal): Likewise.
2532 * genattrtab.c (attr_rtx): Likewise.
2533 (attr_printf): Likewise.
2536 * gencodes.c (fatal): Likewise.
2538 * genconfig.c (fatal): Likewise.
2540 * genemit.c (fatal): Likewise.
2542 * genextract.c (fatal): Likewise.
2544 * genflags.c (fatal): Likewise.
2546 * genopinit.c (fatal): Likewise.
2548 * genoutput.c (fatal): Likewise.
2551 * genpeep.c (fatal): Likewise.
2553 * genrecog.c (fatal): Likewise.
2555 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2556 deciding whether to declare `tree_node' and `rtx_def'.
2558 * hash.h: Don't define stuff we get from gansidecl.h.
2560 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2561 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2562 whether to use ANSI variable args.
2565 * prefix.c (concat): Likewise.
2569 * system.h: Likewise.
2571 * toplev.c (error_with_file_and_line): Likewise.
2572 (error_with_decl): Likewise.
2573 (error_for_asm): Likewise.
2576 (warning_with_file_and_line): Likewise.
2577 (warning_with_decl): Likewise.
2578 (warning_for_asm): Likewise.
2579 (warning): Likewise.
2580 (pedwarn): Likewise.
2581 (pedwarn_with_decl): Likewise.
2582 (pedwarn_with_file_and_line): Likewise.
2584 (really_sorry): Likewise.
2586 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2587 whether to declare `tree_node' and `rtx_def'.
2589 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2590 deciding whether to use ANSI variable args.
2591 (build_nt): Likewise.
2592 (build_parse_node): Likewise.
2594 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2596 * version.c: Bump for snapshot.
2598 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2600 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2602 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2604 * collect2.c (main, case 'b'): Use else if.
2606 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2608 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2609 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2610 before the config/ directory headers.
2611 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2612 gansidecl.h in the list of dependencies.
2614 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2615 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2616 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2617 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2618 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2619 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2622 * cccp.c: Don't include gansidecl.h.
2624 * collect2.c: Likewise.
2625 * config/c4x/c4x.c: Likewise.
2626 * config/v850/v850.h: Likewise.
2627 * cppalloc.c: Likewise.
2628 * cpperror.c: Likewise.
2629 * cppexp.c: Likewise.
2630 * cppfiles.c: Likewise.
2631 * cpphash.c: Likewise.
2632 * cpplib.c: Likewise.
2633 * cppmain.c: Likewise.
2634 * cppulp.c: Likewise.
2635 * demangle.h: Likewise.
2636 * doprint.c: Likewise.
2637 * dyn-string.c: Likewise.
2638 * eh-common.h: Likewise.
2639 * fix-header.c: Likewise.
2640 * frame.c: Likewise.
2643 * gen-protos.c: Likewise.
2644 * gencheck.c: Likewise.
2645 * halfpic.h: Likewise.
2647 * machmode.h: Likewise.
2648 * mbchar.c: Likewise.
2649 * prefix.c: Likewise.
2650 * protoize.c: Likewise.
2651 * recog.h: Likewise.
2653 * scan-decls.c: Likewise.
2655 * varray.h: Likewise.
2657 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2659 * i386.md (call_value_pop): If we're not popping anything,
2660 defer to call_value.
2661 (call_pop): Likewise defer to call.
2663 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2665 * function.c (purge_addressof): Clear purge_addressof_replacements
2666 only after processing the whole function.
2668 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2670 * reload1.c (reload): If we can not perform a particular elimination
2671 when we thought we could earlier, then we must always iterate through
2672 the loop at least one more time.
2674 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2676 * alpha.c (add_operand): Simplify the CONST_INT match.
2677 (sext_add_operand): Correct typo in comparison by using
2678 CONST_OK_FOR_LETTER_P.
2679 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2680 constant alternatives to be generated.
2681 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2682 small constants, since the hw instructions do.
2684 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2686 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2687 previous insn to store directly into our reload register, make sure
2688 that if the source of the previous insn is a reload register, its
2689 spill_reg_store and spill_reg_stored_to values are cleared.
2691 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2693 * rs6000.md (floatunssidf2_internal splitter): Use base register
2694 operand, not hard-coded SP.
2696 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2698 * jump.c (calculate_can_reach_end): Fix thinko.
2700 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2702 * reorg.c (fill_simple_delay_slots): Fix typo.
2704 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2706 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2708 * i386.md (extendsidi2): Use # in the output template.
2709 (extendsidi splitters): New splitters.
2711 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2713 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2715 * configure: Regenerate.
2717 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2719 * jump.c (init_label_info, delete_barrier_successors,
2720 mark_all_labels, delete_unreferenced_labels,
2721 delete_noop_moves, calculate_can_reach_end): New functions broken
2722 out of jump_optimize.
2723 (jump_optimize): Use them.
2725 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2727 * except.c (expand_fixup_region_end): Make sure outer context labels
2728 are not issued in an inner context during cleanups.
2730 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2732 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2735 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2737 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2738 to expose this midpoint to CSE.
2740 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2742 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2744 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2746 * configure.in: Bring over gcc2 change of Nov 19 1997.
2748 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2750 * toplev.c (output_lang_identify): Make definition dependent on
2751 ASM_IDENTIFY_LANGUAGE.
2753 * print-rtl.c (spaces): Make static.
2755 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2757 * extend.texi: Clarify proper uses for register clobbers in asms.
2759 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2761 * recog.h (enum op_type): Define.
2762 (constrain_operands): Adjust prototype.
2763 (recog_op_type): Declare new variable.
2764 * recog.c (recog_op_type): New variable.
2765 (insn_invalid_p): Allow modifying an asm statement after reload.
2766 (extract_insn): Set up recog_op_type.
2767 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2768 Don't compute operand types, use recog_op_type.
2769 Use the information computed by extract_insn instead of the previous
2770 method of finding it by insn code number.
2771 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2772 * reorg.c (fill_slots_from_thread): Likewise.
2773 * reload1.c (reload_as_needed): Likewise.
2774 (gen_reload): Likewise.
2775 (inc_for_reload): Likewise.
2776 (reload_cse_simplify_operands): Likewise.
2777 Use the information computed by extract_insn instead of the previous
2778 method of finding it by insn code number.
2779 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2781 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2782 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2783 Use the information computed by extract_insn instead of the previous
2784 method of finding it by insn code number.
2785 * regmove.c (find_matches): Likewise. Change meaning of the return
2786 value to be nonzero if the optimization can be performed, zero if
2787 not. All callers changed.
2788 Shorten some variable names to fix formatting problems.
2789 (regmove_optimize): Shorten some variable names to fix formatting
2791 Use the information computed by extract_insn instead of the previous
2792 method of finding it by insn code number.
2793 * regclass.c (scan_one_insn): Likewise.
2794 (record_reg_classes): Don't compute operand types, use recog_op_type.
2795 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2796 recog_constraints instead.
2798 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2800 * rtl.h (flow2_completed): Declare.
2801 * flow.c (flow2_completed): Definition.
2802 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2805 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2807 * Makefile.in (libcpp.a): Ranlib libcpp.a
2809 * cppulp.c (user_label_prefix): Initialize.
2811 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2813 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2814 at a RETURN if current_function_sp_is_unchanging is set.
2816 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2818 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2820 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2822 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2823 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2824 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2825 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2826 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2827 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2829 (LIB_SPEC): Handle -mno-cyginw option.
2830 (LINK_SPEC): Handle -mdll.
2832 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2834 * reload.c (find_reloads): Fix test for usage by other reload
2835 to handle secondary reloads properly.
2837 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2839 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2840 intermediate structure which has exactly the members provided by
2841 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2842 static intermediate structure.
2844 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2845 from the intermediate structure. Do the same analogous fix in
2846 the case where ELIMINABLE_REGS is not defined.
2848 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2850 * pa.h (SELECT_SECTION): Fix thinko.
2852 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2854 * dwarf2out.c (output_call_frame_info): Comments on last change.
2856 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2858 * arm.c (add_constant): When taking the address of an item in the
2859 pool, get the mode of the item addressed.
2861 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2862 contain a SET or a PARALLEL, don't consider it for conditional
2865 Restore ABI compatibility for NetBSD.
2866 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2868 (RETURN_IN_MEMORY): Likewise.
2870 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2872 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2873 (m32r_output_block_move): Rewrite bytes < 4 handling.
2875 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2877 * configure.in: Call AC_FUNC_VFORK.
2879 * collect2.c: Define VFORK_STRING as a printable string for
2880 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2881 defined, include vfork.h. If VMS is defined, define vfork()
2882 appropriately. Remove vfork check on USG, we're using autoconf.
2883 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2884 checking locally what string to pass.
2885 (scan_prog_file): Likewise.
2886 (scan_libraries): Likewise.
2888 * gcc.c: Remove vfork check on USG, we're using autoconf.
2889 Besides, no calls to vfork/fork occur in this file.
2891 * protoize.c: Likewise.
2893 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2895 * configure.in (DEFAULT_LINKER): renamed from LD
2896 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2897 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2898 * configure: rebuilt
2900 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2902 * BUGS: fix the regexp for `more' to find the appropriate node.
2903 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2905 * BUGS: added link to the WWW FAQ
2907 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2909 * version.c: Bump for snapshot.
2911 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2913 * From Christian Gafton:
2914 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2915 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2916 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2918 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2920 * c-common.c (c_get_alias_set): Allow all type-punning through
2921 unions. Don't get confused about the type of a bit-field, despite
2922 the antics of build_modify_expr.
2924 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2926 * fixinc.sco: Paramaterize #include_next values.
2927 * fixinc/fixinc.sco: Likewise.
2929 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2931 * toplev.c (rest_of_compilation): No longer set reload_completed.
2932 * reload1.c (reload): Set it here. Perform instruction splitting
2933 after reload has completed if we will be running the scheduler
2936 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2938 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2939 EH region if exceptions are enabled and we're performing cross
2941 (find_cross_jump): Exit loop if the insns are in different EH regions.
2943 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2945 * dwarf2out.c (output_call_frame_info): Use
2946 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2948 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2950 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2951 * c-common.c (check_format_info): Don't check for the 'x'
2952 format character twice, instead check for 'x' and 'X'
2954 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2956 * configure.in (assembler features): Also make gas is configured if
2957 we find it in the souce tree.
2959 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2961 * i386.c (i386_comp_type_attributes): Compare whether the
2962 attributes are defined, not their tree nodes.
2964 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2966 * configure.in (gxx_include_dir): bitten by autoconf quoting
2968 * configure: rebuilt
2970 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2972 * configure.in: Ignore non-absolute value in $AS.
2974 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2976 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2978 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2980 * configure.in (msdosdjgpp): Set exeext and target_alias.
2982 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2984 * flow.c (XNMALLOC): New macro.
2985 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2987 (add_edge, add_edge_to_label): New static functions.
2988 (free_bb_memory): New function.
2989 (flow_delete_insn): Delete function.
2990 (basic_block_drops_in): Delete variable.
2991 (find_basic_blocks): Allocate and initialize basic_block_head,
2992 basic_block_succ. Don't allocate basic_block_drops_in.
2993 Call free_bb_memory at the beginning.
2994 (find_basic_blocks_1): Don't do multiple passes.
2995 Delete code to compute basic_block_drops_in.
2996 After calling make_edges, mark blocks reached by current block live.
2997 Update test for unreachable live blocks.
2998 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3000 Simplify to call add_edge_to_label when a LABEL_REF is found.
3001 (make_edges): Simplify to call add_edge_to_label instead of
3002 mark_label_ref most of the time.
3003 Compute here whether control drops into the next block.
3004 (delete_unreachable_blocks): Return void. All callers changed.
3005 Delete unreachable blocks in reverse order.
3006 After deleting all unreachable blocks, renumber the remaining ones
3007 and update n_basic_blocks.
3008 (delete_block): Speed up deletion a bit.
3009 Don't set basic_block_drops_in for deleted blocks.
3010 (free_basic_block_vars): Don't free basic_block_drops_in.
3011 (life_analysis_1): Update to use new edge representation.
3012 (dump_flow_info): Delete code to print basic block info; call
3013 dump_bb_data instead.
3014 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3015 and uid_block_number.
3016 Simply copy the previously computed cfg.
3017 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3018 Print register lifetime information if LIVE_INFO is nonzero.
3019 * basic-block.h (dump_bb_data): Adjust prototype.
3020 * gcse.c (gcse_main): Update call to dump_bb_data.
3021 * rtl.h (free_bb_memory): Declare.
3022 * toplev.c (rest_of_compilation): Call free_bb_memory.
3024 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3025 (update_eliminable_offsets): Don't compute it.
3026 (set_initial_elim_offsets): Don't initialize it.
3027 Break out some code into set_initial_label_offsets so the rest of
3028 this function can be called from reload_as_needed.
3029 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3030 ELIMINABLE_REGS isn't.
3031 (set_initial_label_offsets): New function, broken out of
3032 set_initial_elim_offsets.
3033 (set_offsets_for_label): New function, broken out of set_label_offsets
3034 and reload_as_needed.
3035 (reload): Call the two new functions.
3036 (reload_as_needed): Call set_initial_elim_offsets instead of
3037 duplicating the code. Likewise for set_offsets_for_label.
3039 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3040 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3041 any hard reg, reg_reloaded_dead contains valid data.
3043 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3045 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3046 "stdcall" and "cdecl" attributes.
3048 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3050 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3051 handle deleted no-op moves of hard registers.
3052 * haifa-sched.c (update_flow_info): Likewise.
3054 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3056 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3057 of the sequences to reload the HILO register which do not actually
3060 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3062 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3064 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3066 * except.c (emit_eh_context): Make the EH context register stay alive
3067 at -O0 so stupid.c doesn't get confused.
3069 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3071 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3073 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3074 Jeffrey A Law (law@cygnus.com)
3076 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3077 (zero_extendsidi2): Use # in output template and handle completely by
3079 (zero_extend splitters): New define_splits.
3080 (ashiftrt_32): New pattern.
3082 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3084 * tree.c (append_random_chars): New fn.
3085 (get_file_function_name_long): Use it.
3087 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3089 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3090 (LIBCPP_OBJS): New. Add cppulp.o.
3091 (cppmain, fix-header): Depend on and use libcpp.a.
3092 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3093 of the individual object files.
3094 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3097 * cccp.c (user_label_prefix): New.
3098 (main): Set it off -f*leading-underscore.
3099 (special_symbol): Use it.
3100 * cpplib.c (special_symbol): Likewise.
3101 (cpp_handle_option): Handle -f*leading-underscore.
3102 * cppulp.c: New file.
3104 * output.h (user_label_prefix): Declare it.
3105 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3106 * toplev.c (f_options, main): Handle -f*leading-underscore.
3108 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3109 referencing USER_LABEL_PREFIX directly.
3110 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3111 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3112 * final.c (asm_fprintf): Use user_label_prefix instead.
3113 * arm/thumb.c (thumb_print_operand): Likewise.
3115 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3116 cpp wherever appropriate.
3118 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3120 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3121 specific compiler switches.
3123 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3125 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3128 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3130 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3131 structure which has exactly the members provided by EXTRA_SPECS.
3132 Xmalloc() the real `extra_specs', and initialize it from this
3133 intermediate structure.
3135 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3137 * mips.h (EXTRA_SPECS): Likewise.
3139 * sparc.h (EXTRA_SPECS): Likewise.
3141 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3143 * function.c (purge_addressof_1): Instead of aborting when a
3144 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3145 work just put the ADDRESSOF on stack. Otherwise remember all such
3146 successfull replacements, so that exactly the same replacements
3147 can be made on the REG_NOTEs. Remove the special case for CALL
3149 (purge_addressof_replacements): New variable.
3150 (purge_addressof): Clear it at end.
3152 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3154 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3155 (lang_init): Call check_newline always.
3156 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3157 cpp_start_read, set yy_cur and yy_lim to read from
3158 parse_in.token_buffer, so that we'll see the first #line
3160 * cpplib.c (cpp_start_read): finclude the main input file
3161 before processing -include/-imacros. Process -imacros and
3162 -include separately, and handle -include by stacking a
3163 buffer for the file in question as if it'd been #included.
3164 * toplev.c (documented_lang_options) Recognize -H when
3167 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3169 * cpplib.c: Merge do_once into do_pragma. Break file handling
3170 code out of do_include.
3171 Move append_include_chain, deps_output,
3172 file_cleanup, redundant_include_p, import_hash,
3173 lookup_import, add_import, read_filename_string, read_name_map,
3174 open_include_file, finclude, safe_read to cppfiles.c.
3175 Move prototypes for deps_output, append_include_chain,
3176 finclude to cpplib.h. Move definition of struct
3177 file_name_list there also.
3179 * cppfiles.c: New file. Contains all the above functions
3180 broken out of cpplib.c; also hack_vms_include_specification
3181 from cccp.c and find_include_file, a new function broken out of
3184 * Makefile.in (cppmain): Depend on cppfiles.o.
3185 (fix-header): Likewise.
3186 (cppfiles.o): New target.
3187 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3188 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3190 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3192 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3193 if pending_types is non-zero.
3194 (dwarfout_finish): Verify pending_types is zero before finishing.
3196 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3198 * expr.c (convert_move): Use shifts to perform the move if a
3199 suitable extend pattern cannot be found. Code written by
3200 Richard Henderson <rth@cygnus.com>.
3202 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3204 * regclass.c (renumber, regno_allocated): New static variables, moved
3205 out of allocate_reg_info.
3206 (allocate_reg_info): Move these two variables outside the function.
3207 Move code to free memory into new function free_reg_info.
3208 (free_reg_info): New function, broken out of allocate_reg_info.
3209 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3210 * rtl.h (allocate_reg_info): Don't declare.
3211 (free_reg_info): Declare.
3213 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3215 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3217 * toplev.c (compile_file): Temporarily revert last change.
3219 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3221 * c-typeck.c (convert_for_assignment): Parenthesize.
3223 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3225 * reload1.c (delete_output_reload): Avoid ambigous else.
3227 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3229 * toplev.c (compile_file): Call allocate_reg_info to free register
3231 * rtl.h (allocate_reg_info): Declare.
3233 * PROJECTS: Remove entry for local spilling.
3235 * final.c (cleanup_subreg_operands): New function.
3236 (final_scan_insn): Use it.
3237 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3239 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3240 operands when reload has finished.
3241 * reload.h (cleanup_subreg_operands): Declare..
3242 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3243 reload. Handled in reload itself.
3245 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3247 * reload1.c (verify_initial_offsets): New function.
3248 (reload): Call it after reload_as_needed. Also verify that the frame
3249 size stays constant during reload_as_needed.
3250 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3252 * reload.h (struct insn_chain): Add need_operand_change element.
3253 * reload1.c (new_insn_chain): Clear it.
3254 (calculate_needs_all_insns): Set it; don't overload need_reload.
3255 (reload_as_needed): Use it.
3257 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3258 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3259 and reload_address_index_reg_class.
3260 (find_reloads_address_1): Likewise.
3261 * reload.h (reload_address_base_reg_class,
3262 reload_address_index_reg_class): Don't declare.
3263 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3264 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3265 (used_spill_regs): Now static.
3266 (reload_address_base_reg_class, reload_address_index_reg_class,
3267 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3268 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3269 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3272 (init_reload): Delete code to compute base/index reg classes.
3273 (reload): Delete variable J.
3274 Delete code to manage basic_block_needs.
3275 Don't compute regs_explicitly_used.
3276 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3277 pseudo_previous_regs.
3278 Initialize bad_spill_regs_global.
3279 Don't call order_regs_for_reload here.
3280 Don't initialize spill_reg_order and n_spills.
3281 Don't forbid explicitly used regs to be used for spill regs.
3282 Change main loop to infinite loop, with explicit break statements.
3283 Make SOMETHING_CHANGED variable local to that loop.
3284 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3285 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3286 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3288 Don't call dump_needs.
3289 Delete code to reset potential_reload_regs.
3290 Delete code to terminate loop conditional on the global needs variables
3291 showing no further needs.
3292 (calculate_needs_all_insns): Return void. All callers changed.
3293 Initialize somehing_needs_elimination here, not in reload.
3294 Delete avoid_return_reg kludge.
3295 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3296 All callers changed.
3297 Initialize the group_mode and group_size elements of the arg CHAIN.
3298 Delete code to manage basic_block_needs.
3299 Operate on elements of CHAIN instead of global variables.
3300 Delete avoid_return_reg kludge.
3301 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3302 All callers changed.
3303 Operate on elements of CHAIN instead of global variables.
3304 Delete special SMALL_REGISTER_CLASSES code.
3305 Delete spill_failure code; now in new_spill_reg.
3306 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3307 All callers changed.
3308 Operate on elements of CHAIN instead of global variables.
3309 (maybe_mark_pseudo_spilled): New static function.
3310 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3311 All callers changed.
3312 Operate on elements of CHAIN instead of global variables.
3313 Call order_regs_for_reload here, not in reload.
3314 Initialize spill_reg_order and n_spills.
3315 Simplify test whether an asm insn is involved.
3316 Delete spill_failure code; now in new_spill_reg.
3317 Call maybe_mark_pseudo_spilled for everything marked as live in
3318 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3320 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3321 compiler from optimizing this function (now unused) away.
3322 Operate on elements of CHAIN instead of global variables.
3323 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3325 Operate on elements of CHAIN instead of global variables.
3326 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3327 take CHAIN arg. All callers changed.
3328 Operate on elements of CHAIN instead of global variables.
3329 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3330 CHAIN, NONGROUP args. Return void. All callers changed.
3331 Verify caller isn't trying to spill a pseudo.
3332 Simplify test for illegal reg, just use bad_spill_regs.
3333 Generate better error messages.
3334 Operate on elements of CHAIN instead of global variables.
3335 Mark spilled register in CHAIN's used_spill_regs element.
3336 Don't call spill_hard_reg.
3337 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3338 Mark spilled hard regs in bad_spill_regs_global.
3339 Mark affected pseudos in spilled_pseudos, but don't spill them.
3340 (ior_hard_reg_set): New static function.
3341 (finish_spills): Return int. All callers changed.
3342 Compute spill_reg_order, n_spills and spill_regs here. Also update
3343 regs_ever_live for regs used as spills.
3344 For every pseudo in spilled_pseudos, spill it and mark the previous
3345 hard reg it had in pseudo_previous_regs. Compute which hard regs
3346 arseudo): New static function.
3347 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3348 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3349 hard registers explicitly used across the current insn into the set.
3350 Compute hard_reg_n_uses taking only pseudos live across this insn
3352 Tweak sorting of potential_reload_regs.
3353 (compare_spill_regs): Delete function.
3354 (reload_as_needed): Don't sort the spill_regs array, it's computed
3355 in proper order in finish_spills.
3356 Delete avoid_return_reg kludge.
3357 Delete code to manage basic_block_needs.
3358 (allocate_reload_reg): Minor speed/readability tweaks.
3359 Operate on elements of CHAIN instead of global variables.
3360 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3361 Delete avoid_return_reg kludge.
3362 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3363 Delete unused label FAIL.
3364 (reload_combine): Replce reload_address_index_reg_class with
3366 Don't use used_spill_regs to determine information about lifetime of
3369 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3371 * toplev.c (display_help): Ignore empty target specific
3372 options, and if -W is also specified on the command line then
3373 display undocumented options.
3375 * config/arm/arm.c: Updated with changes in devo sources.
3376 * config/arm/arm.h: Updated with changes in devo sources.
3377 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3378 * config/arm/lib1thumb.asm: Add ELF support.
3380 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3382 * collect2.c (aix64_flag): New variable.
3383 (main, case 'b'): Parse it.
3384 (GCC_CHECK_HDR): object magic number must match mode.
3385 (scan_prog_file): Only check for shared object if valid header.
3386 Print debugging if header/mode mismatch.
3388 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3390 Added support for arm-elf-linux configuration, submitted by Philip
3391 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3392 code developed by Catherine Moore <clm@cygnus.com>. The following
3395 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3398 * configure: Regenerated.
3400 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3401 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3402 definitions conditional on their not having been already defined.
3404 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3405 and .type directives, and add "(PLT)" qualification to function
3408 * config/arm/linux.h: Deleted. This file is now superceeded by
3409 either linux-elf.h or linux-aout.h.
3411 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3412 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3414 Move definitions from old linux.h file here.
3416 * config/arm/elf.h: New file. Generic ARM/ELF support.
3418 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3420 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3422 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3423 using the 26bit APCS.
3425 * config/arm/unknown-elf.h: New file. Support for OS'es other
3426 than Linux with ELF.
3428 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3431 * config/arm/coff.h: Include aout.h for basic assembler macros.
3432 Add support for -mstructure_size_boundary=<n> command line option.
3434 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3435 command line option. Make macro definitions conditional on their
3436 not having been already defined.
3438 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3439 command line option.
3442 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3444 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3445 has been changed to not include a newline. Use this macro instead.
3446 (output_enumeral_list, const_value_attribute, name_attribute,
3447 comp_dir_attribute, prototyped_attribute, producer_attribute,
3448 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3449 dwarfout_file_scope_decl, generate_new_sfname_entry,
3450 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3451 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3453 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3455 * combine.c (subst): Process the inputs to a parallel asm_operands
3458 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3460 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3462 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3464 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3466 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3468 * version.c: Bump for snapshot.
3470 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3472 * stmt.c (expand_fixup): Set fixup->before_jump to a
3473 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3475 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3477 * Makefile.in (recog.o): Depend on toplev.h.
3478 (insn-emit.o): Depend on recog.h.
3479 (insn-peep.o): Depend on recog.h and insn-config.h.
3481 * combine.c (simplify_set): Remove unused variable `scratches'.
3483 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3484 and `idx' in macro conditional controlling their use.
3486 * genemit.c (main): Make the generated output file include
3487 recog.h. Don't have it declare `insn_operand_constraint', since
3488 we get it from recog.h.
3490 * genpeep.c (main): Make the generated output file include
3491 insn-config.h and recog.h.
3493 * recog.c: Include toplev.h.
3494 (extract_insn): Remove unused variable `p'.
3496 * regclass.c (fix_register): Add missing braces around initializer
3498 (allocate_reg_info): Move variable `i' into the scope where it is
3499 used. Change its type to `size_t'.
3501 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3503 * reload.c (push_reload): When merging reloads, make sure
3504 that reload_in_reg and reload_in are from the same reload in
3507 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3509 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3510 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3512 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3514 * loop.c (loop_has_tablejump): New variable.
3515 (prescan_loop): Scan for it.
3516 (insert_bct): Replace explicit scan with use of it.
3517 * regclass.c (regclass): Restore loop variable j.
3518 (record_reg_classes): Deterine op_types modifiers and initialize
3519 classes[i] before matching constraints. Handle matching
3522 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3524 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3527 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3529 * mips.h (EXTRA_SPECS): Add missing initializers.
3531 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3533 * sparc.h (EXTRA_SPECS): Add missing initializers.
3534 (sparc_defer_case_vector): Provide a prototype.
3536 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3537 comparing it to the result of a pointer subtraction.
3539 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3541 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3542 the argument to (unsigned char).
3544 * alpha.h (EXTRA_SPECS): Add missing initializers.
3545 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3548 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3550 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3551 (propagate_block): Delete dead code after reload.
3553 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3554 back Oct 15, 1998 change.
3555 * haifa-sched.c (update_flow_info): Likewise.
3556 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3558 * mn10200.md (truncated shift): Accept constant inputs too.
3560 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3562 * machmode.h (mode_mask_array): No longer const.
3563 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3565 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3567 * frame.c: Somewhat explain `FDE'.
3568 Suggested by Brendan Kehoe
3570 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3572 * expr.c (pending_chain): Move up.
3573 (save_expr_status): Do save pending_chain.
3574 (restore_expr_status): And restore it.
3575 * function.h (struct function): Add pending_chain.
3577 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3579 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3580 did not match the code.
3582 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3584 * regclass.c (regclass): Break out some code into new function
3585 scan_one_insn, and into regclass_init.
3586 (init_cost): New static variable, moved out of regclass.
3587 (regclass_init): Initialize it here, not in .
3588 (scan_one_insn): New static function, broken out of regclass.
3589 * recog.c (apply_change_group): Break out some code into new
3590 function insn_invalid_p.
3591 (insn_invalid_p): New static fn, broken out of apply_change_group.
3593 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3595 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3596 reg_reloaded_contents matches incremented pseudo.
3598 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3600 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3602 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3603 addressing modes with side effects. These are currently
3604 placeholders for the C4x target.
3606 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3608 * loop.c (express_from): Make sure that when generating a PLUS of
3609 a PLUS, any constant expression appears on the outermost PLUS.
3611 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3613 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3614 works if "$(srcdir)" != ".".
3616 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3618 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3619 existing SUBREG if we can, otherwise abort.
3621 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3623 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3624 `restrict' is applied to a non-pointer variable.
3626 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3628 * invoke.texi: Document -flang-isoc9x.
3630 * Makefile.in (OBJS): Add splay-tree.o.
3631 (c-common.o): Depend on rtl.h.
3632 (splay-tree.o): List dependencies and provide build rule.
3634 * rtl.h (record_alias_subset): New function.
3635 * alias.c: Include splay-tree.h.
3636 (alias_set_entry): New type.
3637 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3638 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3639 (mems_in_disjoin_alias_sets_p): New function.
3640 (alias_set_compare): Likewise.
3641 (insert_subset_children): Likewise.
3642 (get_alias_set_entry): Likewise.
3644 * tree.h (TYPE_RESTRICT): New macro.
3645 (TYPE_UNQUALIFIED): New manifest constant.
3646 (TYPE_QUAL_CONST): Likewise
3647 (TYPE_QUAL_VOLATILE): Likewise.
3648 (TYPE_QUAL_RESTRICT): Likewise.
3649 (tree_type): Add restrict_flag. Reduce count of free bits.
3650 (DECL_POINTER_ALIAS_SET): New macro.
3651 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3652 (tree_decl): Add pointer_alias_set.
3653 (build_qualified_type): New function.
3654 (build_type_variant): Define in terms of build_qualified_type.
3655 * tree.c (set_type_quals): New function.
3656 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3657 (build_type_attribute_variant): Use build_qualified_type and
3659 (build_type_variant): Rename, and modify, to become...
3660 (build_qualified_type): New function.
3661 (build_complex_type): Use set_type_quals.
3663 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3664 (C_TYPE_FUNCTION_P): Likewise.
3665 (C_TYPE_INCOMPLETE_P): Likewise.
3666 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3667 (c_apply_type_quals_to_decl): New function.
3668 (c_build_qualified_type): New function.
3669 (c_build_type_variant): Define in terms of c_build_qualified_type.
3670 (flag_isoc9x): Declare.
3671 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3672 (common_type): Change to use TYPE_QUALS.
3673 (comptypes): Likewise.
3674 (convert_for_assignment): Likewise.
3675 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3676 * c-decl.c (flag_isoc9x): Define.
3677 (c_decode_option): Handle -flang-isoc9x.
3678 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3679 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3680 * c-lex.c (init_lex): Deal with restrict.
3681 (init_lex): Don't treat restrict as a reserved word in
3682 -traditional mode, or without -flang-isoc9x.
3683 * c-lex.h (rid): Add RID_RESTRICT.
3684 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3685 equivalent to RID_RESTRICT.
3686 * c-parse.in (TYPE_QUAL): Update comment.
3687 * c-common.c: Include rtl.h.
3688 (c_find_base_decl): New function.
3689 (c_build_type_variant): Rename, and modify, to become ...
3690 (c_build_qualified_type): New function.
3691 (c_apply_type_quals_to_decl): Likewise.
3692 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3693 a particular alias set for the reference.
3694 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3696 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3698 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3699 command line switches.
3701 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3703 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3706 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3708 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3710 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3712 * regclass.c (fix_register): Add error message.
3713 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3716 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3718 * c-decl.c (warn_missing_noreturn): New global variable.
3719 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3720 (finish_function): Implement missing noreturn warning.
3722 * c-tree.h (warn_missing_noreturn): Declare extern.
3724 * invoke.texi: Document new flags.
3726 * toplev.c (documented_lang_options): Add description.
3728 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3730 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3731 loop optimization stable for the C4x.
3732 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3733 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3734 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3736 (c4x_address_conflict): Be more paranoid when packing a volatile
3737 memref in a parallel load/store.
3739 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3741 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3742 repeat_block_filler): Deleted.
3743 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3744 Condition code not set if destination register from 'c' class.
3745 (*subbqi3_carry_clobber): Fix typo.
3747 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3749 * reorg.c (steal_delay_list_from_target) Check for insns that
3750 modify the condition codes and effect the direction of the jump
3753 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3755 * function.c (purge_addressof_1): Replace call to
3756 emit_insns_before() with emit_insn_before().
3758 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3760 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3762 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3764 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3766 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3768 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3769 clobbered across calls.
3771 * loop.c (scan_loop): Be more selective about what invariants are
3772 moved out of a loop.
3774 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3776 * version.c: Bump for snapshot.
3778 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3780 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3781 static eh_context structure.
3783 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3785 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3787 (try_combine): Don't update max_scratch.
3788 * flow.c (max_scratch, num_scratch): Delete variables.
3789 (life_analysis_1): Don't initialize max_scratch.
3790 (propagate_block): Don't update max_scratch.
3791 (mark_set_1): Don't increment num_scratch.
3792 * regs.h (max_scratch): Delete declaration.
3794 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3796 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3797 is nonzero. This is temporary!
3799 * sched.c (update_flow_info): Handle death notes made invalid by
3800 instruction splitting. Partially reverts Oct 15, 1998 patch.
3801 * haifa-sched.c (update_flow_info): Likewise.
3803 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3805 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3806 if it has a nonzero DECL_INITIAL.
3808 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3810 * Makefile.in (flow.o): Depend on recog.h.
3812 * cpplib.h (directive_table): Add missing initializiers.
3813 (finclude): Change type of variable `bsize' to size_t.
3815 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3817 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3819 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3820 `int' when comparing against one.
3821 (cpp_file_line_for_message): Mark parameter `pfile' with
3823 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3825 * flow.c: Include recog.h.
3826 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3828 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3829 `f' with ATTRIBUTE_UNUSED.
3830 (reposition_prologue_and_epilogue_notes): Likewise.
3832 * genopinit.c (gen_insn): Cast argument of ctype functions to
3835 * haifa-sched.c: Include recog.h.
3836 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3837 comparing against one.
3839 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3841 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3843 (parse_ent): Likewise.
3844 (parse_input): Likewise.
3846 * optabs.c (init_libfuncs): Likewise.
3848 * protoize.c (find_rightmost_formals_list): Likewise.
3850 * recog.h (const_double_operand): Fix typo in prototype.
3852 * tlink.c (scan_linker_output): Cast the argument of ctype
3853 function to `unsigned char'.
3855 * toplev.c (check_lang_option): Cast the result of `strlen' to
3856 `int' when comparing against one.
3858 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3860 * gcse.c (dump_cuid_table): Correct typo.
3862 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3864 * toplev.c (display_help): Prepend '-m' to target specific
3866 (check_lang_option): Ignore text after end of first word of a
3867 language specific option.
3869 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3871 * reload1.c (reg_used_by_pseudo): New static variable.
3872 (choose_reload_regs): Initialize it.
3873 Use it instead of testing spill_reg_order to determine whether a
3874 pseudo is live in a hard register across the current insn.
3875 Fix a typo in a reference to reload_reg_rtx.
3877 * flow.c (propagate_block): Replace code that computes and uses
3878 regs_sometimes_live with simpler code that just walks the set of
3879 currently live registers.
3881 * Makefile.in (insn-extract.o): Fix dependencies.
3882 * genextract.c (main): Generate includes for insn-config.h and
3884 Delete generation of declarations which are now in recog.h.
3885 * genrecog.c (main): Delete generation of definitions which are
3887 * local-alloc.c (block_alloc): Use extract_insn and the variables
3888 it sets up instead of looking up values by insn_code.
3889 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3890 recog_dup_num): Define here instead of generating the definition in
3892 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3893 recog_operand_mode, recog_constraints, recog_operand_address_p):
3895 (extract_insn): New function.
3896 * recog.h (extract_insn): Declare function.
3897 (which_alternative, recog_n_operands, recog_n_dups,
3898 recog_n_alternatives, recog_operand_mode, recog_constraints,
3899 recog_operand_address_p): Declare variables.
3900 * regclass.c (n_occurrences): New static function.
3901 * reload.c (n_occurrences): Delete function.
3902 (find_reloads): Use extract_insn.
3903 * reload.h (n_occurrences): Delete declaration.
3905 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3907 * reload1.c (reload_as_needed): Fix test for when to call
3908 update_eliminable_offsets.
3910 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3912 Fix consistency problems with reg_equiv_{mem,address};
3913 Improve reload inheritance;
3915 * reload.c (reload_out_reg): New variable.
3916 (loc_mentioned_in_p, remove_address_replacements): New functions.
3917 (remove_replacements): Deleted.
3918 (push_reload): Set reload_out_reg[i].
3919 When merging, also set reload_{in,out}_reg[i], and remove
3920 duplicate address reloads.
3921 (combine_reloads): Copy reload_out_reg[i].
3922 (find_reloads): Do make_memloc substitution also when
3923 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3925 Include *recog_operand_loc in commutativity operand changes.
3926 Generate optional output reloads.
3927 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3928 processing operands. Call make_memloc in reg_equiv_address code.
3929 Set *recog_operand_loc only after processing operands, and only
3930 if replace is true. Return a value.
3931 When changing address reload types for operands that didn't get
3932 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3933 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3934 Don't emit USEs for pseudo SUBREGs when not replacing.
3935 (find_reloads_address): Do make_memloc substitution also when
3936 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3938 (find_reloads_toplev): Likewise.
3939 Call make_memloc in reg_equiv_address code.
3940 (debug_reload_to_stream): Add code to output reload_out_reg.
3941 (make_memloc): Delete local variable i, ifdefed out code, and
3942 references to memlocs and n_memlocs.
3943 (memlocs, n_memlocs): Delete.
3944 (push_secondary_reload): Clear reload_out_reg.
3945 (find_reloads_address_1): Provide memrefloc argument to all calls
3946 to find_reloads_address.
3947 In AUTO_INC code, handle non-directly addressable equivalences properly.
3948 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3949 (find_reloads): Add return type.
3950 (remove_address_replacements, deallocate_reload_reg): Declare.
3951 * reload1.c (num_not_at_initial_offset): No longer static.
3952 (delete_address_reloads, delete_address_reloads_1): Likewise.
3953 (deallocate_reload_reg): New function.
3954 (spill_reg_stored_to): New array.
3955 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3956 (eliminate_regs_in_insn): Move assignments of previous_offset and
3957 max_offset fields, and recalculation of num_not_at_initial_offset
3958 into new static function:
3959 (update_eliminable_offsets) .
3960 (reload_as_needed): Call update_eliminable_offsetss after calling
3962 Call forget_old_reloads_1 with contents of reloaded auto_inc
3963 expressions if the actual addressing can't be changed to match the
3965 (choose_reload_regs): For inheritance, replace
3966 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3967 remove stand-alone reload_reg_used_at_all test.
3968 Use reload_out_reg to determine which reload regs have output reloads.
3969 Treat reload_override_in more similar to inherited reloads.
3970 Handle (subreg (reg... for inheritance.
3971 For flag_expensive_optimizations, add an extra pass to remove
3972 unnecessary reloads from known working inheritance.
3973 Delete obsolete code for pseudos replaced with MEMs.
3974 Handle inheritance from auto_inc expressions.
3975 (emit_reload_insns): If reload_in is a MEM, set OLD to
3977 Don't reload directly from oldequiv; if it's a pseudo with a
3978 stack slot, use reload_in[j].
3979 Check that reload_in_reg[j] is a MEM before replacing reload_in
3980 from reg_reloaded_contents.
3981 Include non-spill registers in reload inheritance processing.
3982 Also try to use reload_out_reg to set spill_reg_store /
3983 reg_last_reload_reg.
3984 In code to set new_spill_reg_store, use single_set to find out if
3985 there is a single set.
3986 Add code that allows to delete optional output reloads.
3987 Add code to allow deletion of output reloads that use no spill reg.
3988 At the end, set reload_override_in to oldequiv.
3989 Also call delete_output_reload if reload_out_reg is equal to old
3991 Add code to call delete_output_reload for stores with no matching load.
3992 Set / use spill_reg_stored_to.
3993 Handle case where secondary output reload uses a temporary, but
3994 actual store isn't found.
3995 When looking for a store of a value not loaded in order to call
3996 delete_output_reload, count_occurences should return 0 for no
3997 loads; but discount inherited input reloadill_reg_stored_to.
3998 Do checks for extra uses of REG. Changed all
4000 Use delete_address_reloads.
4001 (reload): Take return value of find_reloads into account.
4002 If a no-op set needs more than one reload, delete it.
4003 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4004 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4005 for the same operand.
4006 (clear_reload_reg_in_use): Check for other reloads that keep a
4008 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4009 RELOAD_FOR_OPADDR_ADDR.
4010 Take into account when an address address reload is only needed
4011 for the address reload we are considering.
4012 (count_occurrences): Use rtx_equal_p for MEMs.
4013 (inc_for_reload): Return instruction that stores into RELOADREG.
4014 New argument two, IN, and rtx. Changed all callers.
4015 (calculate_needs_all_insns, reload_as_needed):
4016 Don't clear after_call for a CLOBBER.
4017 Keep track of how many hard registers need to be copied from
4018 after_call, and don't clear after_call before we have seen
4019 that much copies, or we see a different instruction.
4021 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4023 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4024 after reload has completed.
4026 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4028 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4029 a macro name and the next token with a single blank if that whitespace
4030 is in a macro buffer and the next token is not '('.
4032 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4034 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4036 (skip_if_group): Ditto.
4037 (skip_to_end_of_comment): Ditto.
4039 (discard_comments): Ditto.
4040 (change_newlines): Ditto.
4042 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4044 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4046 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4048 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4049 (TARGET_OPTIONS): Add --help documentation.
4051 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4053 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4055 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4057 * fixinc/* Moved in from ../contrib directory in preparation
4058 for integrating it into the normal build process. In particular,
4059 fixinc/Makefile.in must be config-ed into the build directory
4060 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4061 ./configure.in will be "in the mail" momentarily.
4063 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4065 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4066 accidently walk into the free list. Comment how that can happen.
4067 (invalidate): Fix indentation.
4069 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4070 Jeffrey A Law (law@cygnus.com)
4072 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4073 reload. Never perform rescans of the insn chain after reload.
4074 (propagate_block): Do not delete insn or create new autoinc addressing
4077 * jump.c (jump_optimize): Unconditionally use the code that was
4078 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4079 * reload1.c (reload): When reloading is finished, delete all
4080 REG_DEAD and REG_UNUSED notes.
4081 (emit_reload_insns): Delete all code that was conditional on
4082 PRESERVE_DEATH_INFO_REGNO_P.
4083 (no_longer_dead_regs): Delete variable.
4084 (reload_cse_delete_death_notes): Delete function.
4085 (reload_cse_no_longer_dead): Delete function.
4086 (reload_cse_regs_1): Delete all code to handle deletion of death
4088 (reload_cse_noop_set_p): Likewise.
4089 (reload_cse_simplify_set): Likewise.
4090 (reload_cse_simplify_operands): Likewise.
4091 (reload_cse_move2add): Likewise.
4092 * reorg.c (used_spill_regs): Delete declaration.
4093 (max_label_num_after_reload): Delete declaration.
4094 (find_dead_or_set_registers): Don't assume that spill regs are
4095 dead at a CODE_LABEL.
4096 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4098 * sched.c (sched_analyze_insn): Likewise.
4099 (update_flow_info): Likewise.
4100 * haifa-sched.c (sched_analyze_insn): Likewise.
4101 (update_flow_info): Likewise.
4102 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4103 * toplev.c (max_label_num_after_reload): Delete variable.
4104 (rest_of_compilation): Don't set max_label_num_after_reload.
4105 Call life_analysis after reload_cse_regs if optimizing.
4106 * config/gmicro/gmicro.h: Delete comment referring to
4107 PRESERVE_DEATH_INFO_REGNO_P.
4108 * config/i386/i386.h: Likewise.
4109 * config/m88k/m88k.h: Likewise.
4110 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4111 * config/sh/sh.h: Likewise.
4113 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4115 * loop.c (strength_reduce): Restore marking bct_p as
4117 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4118 HAVE_decrement_and_branch_on_count.
4119 (small_data_operand): Remove TARGET_ELF condition for marking
4120 parameters ATTRIBUTE_UNUSED.
4122 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4124 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4125 (SELECT_SECTION): Resync with svr4.h.
4127 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4129 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4132 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4134 * c-pragma.c (handle_pragma_token): Test for null tree before
4135 dereferencing TREE_CODE.
4137 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4139 * config/c4x/c4x.c: Convert to use GEN_INT.
4140 (c4x_parallel_process): Rework to handle new repeat loop structure.
4142 * config/c4x/c4x.md: Convert to use GEN_INT.
4143 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4144 (decrement_and_branch_on_count): Likewise.
4146 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4147 loop.c has the desired functionality.
4148 (rc_reg_operand): New prototype.
4150 * config/c4x/t-c4x: Can now build all front ends.
4152 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4154 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4156 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4158 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4159 * config/t-rtems: Do not install assert.h -- use newlib's.
4161 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4163 * combine.c (combine_instructions): When finished, call init_recog.
4164 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4166 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4168 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4170 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4172 * cppalloc.c (memory_full): Mark function prototype with
4175 * demangle.h (collect_exit): Likewise.
4177 * fix-header.c (v_fatal, fatal): Likewise.
4179 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4182 * gcov.c (print_usage): Likewise.
4184 * genattr.c (fatal, fancy_abort): Likewise.
4186 * genattrtab.c (fatal, fancy_abort): Likewise.
4188 * gencodes.c (fatal, fancy_abort): Likewise.
4190 * genconfig.c (fatal, fancy_abort): Likewise.
4192 * genemit.c (fatal, fancy_abort): Likewise.
4194 * genextract.c (fatal, fancy_abort): Likewise.
4196 * genflags.c (fatal, fancy_abort): Likewise.
4198 * genopinit.c (fatal, fancy_abort): Likewise.
4200 * genoutput.c (fatal, fancy_abort): Likewise.
4202 * genpeep.c (fatal, fancy_abort): Likewise.
4204 * genrecog.c (fatal, fancy_abort): Likewise.
4206 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4207 __sjpopnthrow, __throw): Likewise.
4209 * objc/objc-act.c (objc_fatal): Likewise.
4211 * protoize.c (usage, aux_info_corrupted,
4212 declare_source_confusing): Likewise.
4214 * rtl.c (dump_and_abort): Likewise.
4216 * rtl.h (sets_cc0_p): Likewise.
4218 * toplev.c (float_signal, pipe_closed): Likewise.
4220 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4222 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4223 when generating the decision tree for the general case.
4225 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4226 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4228 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4230 * Makefile.in (sched.o): Depend on recog.h.
4232 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4233 (unsigned) when comparing against one.
4234 (find_base_value): Likewise.
4235 (record_base_value): Cast variable `regno' to (unsigned) when
4236 comparing against one. Cast the result of REGNO() macro to
4237 (unsigned) when comparing against one.
4238 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4240 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4241 variable where an unsigned index is needed.
4243 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4244 before comparing against one.
4246 * collect2.c: Add prototypes for functions `error', `fatal' and
4247 `fatal_perror'. Make these functions take variable arguments
4248 instead of faking it with a fixed number of args.
4249 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4252 * combine.c (can_combine_p): Mark parameter `pred' with
4254 (find_split_point): Cast variable `src' to (unsigned
4255 HOST_WIDE_INT) when comparing against one.
4256 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4257 (simplify_logical): Likewise.
4258 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4259 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4260 HOST_WIDE_INT) in shift.
4261 (simplify_and_const_int): Cast result of INTVAL() macro to
4262 `unsigned HOST_WIDE_INT' when comparing against one.
4263 (merge_outer_ops): Cast variable const0 to `unsigned
4264 HOST_WIDE_INT' when comparing against the result of
4265 GET_MODE_MASK() macro.
4266 (simplify_comparison): Likewise for variable `c0'. Cast variable
4267 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4268 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4269 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4270 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4271 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4272 comparing against one.
4273 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4275 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4276 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4277 (output_block_move): Cast `sizeof' expression to (int) when
4278 comparing against one.
4279 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4281 (save_restore_insns): Cast `base_offset' to `long' to match format
4282 specifier in fprintf.
4284 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4285 to `enum machine_mode'.
4287 * flow.c (life_analysis_1): Remove unused variable `insn'.
4289 * gcc.c (translate_options): Move variables `j' and `k' into the
4290 scope in which they are used. Change their types to `size_t'.
4291 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4292 (read_specs): Likewise.
4293 (process_command): Cast `sizeof' to (int) when comparing against one.
4294 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4295 (handle_braces): Cast both sides of `==' expression to `long' to
4296 ensure sign matching.
4297 (main): Cast variable `i' to `int' when comparing against one.
4299 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4300 int to size_t. Cast variable `i' to size_t when comparing against
4303 * genattrtab.c (convert_set_attr_alternative): Remove unused
4304 parameter `insn_code'. All callers changed.
4305 (convert_set_attr): Likewise.
4307 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4308 size_t when comparing against one. Likewise for variable `len'.
4310 * global.c (global_alloc): Cast variable `max_regno' to size_t
4311 when comparing against one. Likewise for variable `max_allocno'.
4313 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4315 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4316 `set' with ATTRIBUTE_UNUSED.
4317 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4320 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4321 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4322 (get_condition): Cast variable `const_val' to `unsigned
4323 HOST_WIDE_INT' when comparing against one. Cast unsigned
4324 expression to HOST_WIDE_INT when comparing against one.
4325 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4326 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4327 `unsigned' when comparing against one.
4329 * protoize.c (is_id_char): Change type of parameter `ch' to
4331 (munge_compile_params): Cast argument of ctype macro to (const
4333 (process_aux_info_file): Cast variable `aux_info_size' to int when
4334 comparing against one.
4335 (forward_to_next_token_char): Cast argument of ctype macro to
4336 `const unsigned char'.
4337 (edit_formals_lists): Likewise.
4338 (find_rightmost_formals_list): Likewise.
4339 (add_local_decl): Likewise.
4340 (add_global_decls): Likewise.
4341 (edit_fn_definition): Likewise.
4342 (do_cleaning): Likewise.
4343 (scan_for_missed_items): Likewise.
4344 (edit_file): Cast variable `orig_size' to (int) when comparing
4346 (main): Cast argument of ctype macro to `const unsigned char'.
4348 * recog.c (const_int_operand): Mark parameter `mode' with
4351 * regclass.c (record_reg_classes): Change type of variable `c' to
4352 `unsigned char'. Cast `char' array index to `unsigned char'.
4354 * reload.c (push_secondary_reload): Cast argument to
4355 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4357 * reload1.c (calculate_needs): Cast `char' array index to
4359 (set_label_offsets): Change type of variable `i' to unsigned int.
4360 Cast result of XVECLEN() macro to unsigned when comparing against
4362 (mark_not_eliminable): Change type of variable `i' to unsigned.
4363 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4364 when comparing against one.
4365 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4366 comparing against one.
4367 (choose_reload_regs): Hide unused label `fail'.
4368 (reload_cse_simplify_operands): Cast `char' array index to
4370 (reload_combine_note_store): Mark parameter `set' with
4371 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4373 (reload_cse_move2add): Remove unused variable `src2'.
4375 * sched.c: Include recog.h.
4376 (sched_note_set): Remove unused parameter `b'. All callers
4378 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4379 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4380 when comparing against one.
4382 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4383 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4384 comparing against one.
4386 * unroll.c (precondition_loop_p): Remove unused parameter
4387 `loop_end'. All callers changed.
4389 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4391 * reload1.c (maybe_fix_stack_asms): New static function.
4394 * reload.h (compute_use_by_pseudos): Declare.
4396 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4397 (something_needs_reloads): Delete variable.
4398 (finish_spills): New function.
4399 (compute_use_by_pseudos): New function.
4401 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4402 Use the reload_insn_chain instead of walking the rtl directly.
4404 (reload): Allocate and free spilled_pseudos.
4405 Ensure that all calls of spill_hard_reg are followed by a call to
4407 Use the insns_need_reload list instead of something_needs_reloads
4408 to find out if reload_as_needed must be called.
4409 Clear unused_insn_chains at the end.
4411 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4413 Delete code to keep track of current basic block.
4414 Walk reload_insn_chain instead of the rtl structure. Build the
4415 insns_need_reload chain.
4416 Remember which insns need reloading/elimination by setting the
4417 appropriate fields in struct insn_chain, not by putting modes on the
4420 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4421 arg INSN. All callers changed.
4422 Delete declaration of struct needs.
4423 Don't set something_needs_reloads.
4424 Record insn needs in the CHAIN argument.
4426 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4428 (reload_as_needed): Lose FIRST arg. All callers changed.
4429 Walk the reload_insn_chain instead of the rtx structure.
4430 Delete code to keep track of current basic block.
4431 Rename one of the NEXT variables to OLD_NEXT.
4433 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4435 (choose_reload_regs): Likewise.
4437 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4440 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4441 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4442 (hard_regs_live, hard_regs_need_restore): Delete variables.
4443 (n_regs_saved): Now static.
4444 (referenced_regs, this_insn_sets): New variables.
4446 (setup_save_areas): Restructure the code a bit.
4448 (restore_referenced_regs): Delete function.
4449 (mark_referenced_regs): New function, similar to the old
4450 restore_referenced_regs, but mark registers in referenced_regs.
4452 (clear_reg_live): Delete function.
4453 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4454 Only mark registers in this_insn_sets.
4456 (save_call_clobbered_regs): Rework this function to walk the
4457 reload_insn_chain instead of using the list of instructions directly.
4458 Delete code to keep track of register lives, compute live regs on the
4459 fly from information in the chain.
4460 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4461 then walk the set it computes and call insert_restore as appropriate.
4463 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4465 Restructure the code a bit. Test hard_regs_saved instead of
4466 hard_regs_need_restore.
4467 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4468 args. All callers changed.
4469 Restructure the code a bit. Use TO_SAVE to determine which regs to
4470 save instead of more complicated test.
4471 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4473 Create a new insn_chain structure for the new insn and place it
4476 * rtl.texi: Update documentation to reflect that reload no longer
4477 puts modes on the insns.
4479 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4481 * function.c (purge_addressof_1): Force the first argument of a
4482 CALL insn to memory.
4484 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4486 * rtl.h: Delete duplicate prototypes. Add some missing
4488 * rtlanal.c: (for_each_rtx): Formatting tweak.
4490 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4492 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4493 to be compatible with TI compiler.
4495 * Makefile.in (USER_H): Add va-c4x.h to definition.
4497 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4499 * function.c (purge_addressof_1): Fix typo in inequality: do
4500 bitfield optimization for equal mode sizes.
4501 * expmed.c (store_bit_field): Don't take subregs of subregs in
4502 the movstrict case. Tidy a potential problem in the multi-word case.
4503 (extract_bit_field): Likewise.
4505 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4507 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4509 Compute max_uid_for_flow by calling get_max_uid after the scan.
4510 (find_basic_blocks_1): Don't emit NOPs here.
4512 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4514 * alias.c (base_alias_check): Accept new args for the modes of the
4515 two references. Use them to determine if an AND can overlap. Update
4517 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4518 to determine if an AND can overlap.
4520 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4522 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4523 check. Add comment to document problems with TARGET_SUN_FPA version
4525 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4527 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4529 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4531 * c-common.c (print_char_table): Add missing initializers.
4532 (scan_char_table): Likewise.
4533 (time_char_table): Likewise.
4535 * c-decl.c (c_decode_option): Mark parameter `argc' with
4537 (declare_parm_level): Mark parameter `definition_flag' with
4540 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4541 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4544 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4546 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4548 (expand_call): Cast result of MIN() to (unsigned int) when
4549 comparing against an unsigned value.
4551 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4553 (make_definition): Remove unused parameter `op'. All callers
4555 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4556 comparing against the result of pointer arithmetic.
4558 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4559 when comparing against one.
4561 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4562 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4564 (output_die): Move variable `i' into the scope in which it is
4565 used. Change its type to `unsigned'.
4566 (output_die): Cast the result of `strlen' to (int) when passing it
4567 to ASM_OUTPUT_ASCII().
4568 (output_pubnames): Likewise.
4569 (output_line_info): Likewise.
4571 * emit-rtl.c (global_rtl): Add missing initializers.
4573 * explow.c (promote_mode): Mark parameter `for_call' with
4576 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4577 `unsigned HOST_WIDE_INT' when comparing against one.
4578 (synth_mult): Change type of variable `cost' to int.
4579 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4581 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4582 when comparing against one.
4583 (get_inner_reference): Change variable `alignment' to unsigned.
4584 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4585 int) when comparing against one.
4586 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4588 * fold-const.c (div_and_round_double): Cast BASE to
4589 (HOST_WIDE_INT) when comparing against one.
4591 * gencheck.c: Include gansidecl.h.
4592 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4594 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4595 `tcode' with ATTRIBUTE_UNUSED.
4597 * real.c (edivm): Cast constant value to (unsigned long) in
4598 expression compared against an unsigned value.
4600 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4601 comparing against one.
4602 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4603 when comparing against one.
4605 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4606 (unsigned int) when comparing against one. Likewise for
4608 (smallest_mode_for_size): Likewise.
4609 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4610 (restore_storage_status): Likewise.
4612 * toplev.c (debug_args): Add missing initializer.
4613 (f_options): Spelling correction. Add missing initializers.
4614 (documented_lang_options): Likewise.
4615 (debug_end_source_file): Mark parameter `lineno' with
4618 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4619 `decl' and `type' with ATTRIBUTE_UNUSED.
4621 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4622 when comparing against one.
4623 (assemble_variable): Mark parameter `top_level' with
4625 (assemble_external_libcall): Mark parameter `fun' with
4627 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4630 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4632 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4633 Replace use of r5 with use of r19.
4635 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4637 * config/v850/v850.c (compute_register_save_size): Allow for the
4638 fact that helper functions save all registers, not just those used
4641 Replace constant 31 with macro LINK_POINTER_REGNUM.
4643 * config/v850/v850.md: Use 'indirect_operand' rather than
4644 'memory_operand' for bit test/set/clear patterns.
4646 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4648 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4649 * varasm.c (assemble_start_function et al): Don't call
4650 ASM_GLOBALIZE_LABEL for weak symbols.
4652 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4654 * cse.c (equiv_constant): Check for NULL return from
4655 gen_lowpart_if_possible().
4657 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4659 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4661 * collect2.c (main): Pass -EL/-EB through to the compiler.
4663 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4665 * expr.c (push_block): Handle targets where the stack grows
4666 to higher addresses, but args grow to lower addresses and
4667 ACCUMULATE_OUTGOING_ARGS is not defined.
4669 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4671 * config/v850/v850.c (print_operand): Extend meaning
4672 of 'c' operands to support .vtinherit.
4674 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4676 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4677 Added ATTRIBUTE_UNUSED to unused function arguments.
4678 (rc_reg_operand): New predicate.
4679 (c4x_rptb_insert): New function.
4680 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4681 (c4x_optimization_options): New function.
4683 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4684 (decrement_and_branch_on_count): New pattern.
4685 (rptb_top): Modified pattern to work with BCT optimization.
4687 * config/c4x/c4x.h (RC_REG): New register class.
4688 (rc_reg_operand): Define prototype.
4689 (IS_RC_REG): New macro.
4690 (IS_RC_OR_PSEUDO_REG): New macro.
4691 (IS_RC_OR_PSEUDO_REGNO): New macro.
4692 (OPTIMIZATION_OPTIONS): Define.
4694 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4696 * collect2.c (extract_init_priority): No priority is 65535.
4698 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4700 * Makefile.in (build_tooldir): new variable, same as old
4701 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4702 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4703 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4705 * configure.in (gxx_include_dir): set default based on unlibsubdir
4706 * Makefile.in (tooldir): ditto
4707 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4708 gxx_include_dir, includedir and tooldir
4709 (protoize.o, unprotoize.o): ditto
4711 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4713 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4715 * config/arm/thumb.c (thumb_override_options): Add warning about
4716 PIC code not being supported just yet.
4718 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4720 * flow.c: Update comment.
4721 (notice_stack_pointer_modification): New static function.
4722 (record_volatile_insns): Use it.
4723 (mark_regs_live_at_end): Mark the stack pointer as alive
4724 at the end of the function if current_function_sp_is_unchanging
4726 (life_analysis_1): Set current_function_sp_is_unchanging.
4727 * function.c: Define it.
4728 (init_function_start): Initialize it.
4729 * output.h: Declare it.
4730 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4731 the stack pointer as alive at the end of the function if
4732 current_function_sp_is_unchanging is set.
4733 * i386.c (ix86_epilogue): Optimize the restoring
4734 of the stack pointer.
4736 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4738 * version.c: Bump for snapshot.
4740 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4742 * c-pragma.c (handle_pragma_token): If passed a token instead
4743 of a tree, use that as the pack value.
4745 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4747 * flow.c (find_basic_blocks_1): Fix prototype.
4749 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4751 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4752 (struct tree_decl): New fields no_check_memory_usage.
4753 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4754 (init_attributes): Register it as a new attribute.
4755 (decl_attributes): Set flags on functions given that attribute.
4756 * c-decl.c (duplicate_decls): Merge new attribute.
4757 * expr.h (current_function_check_memory_usage): Declare new var.
4758 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4759 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4760 current_function_check_memory_usage.
4761 * function.h: Add field to struct function.
4762 * function.c (current_function_check_memory_usage): Define it.
4763 (push_function_context_to, pop_function_context_from): Save and
4765 (expand_function_start): Set it, based on global flag and function
4768 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4769 check non-automatic variables, to permit detection of writes to
4770 read-only locations in embedded systems without memory management.
4771 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4772 when emitting chkr_set_right_libfunc call, even if the argument is
4773 BLKmode or variable-sized; don't abort.
4775 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4776 symbols in Pmode, not VOIDmode.
4778 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4780 * cppexp.c: When forcing unsigned comparisons, cast both sides
4783 * cpphash.h: Move static declaration of hashtab[]...
4784 * cpphash.c: ...here.
4786 * cpplib.c: Cast difference of two pointers to size_t before
4787 comparing it to size_t. Cast signed to unsigned
4788 before comparing to size_t. (FIXME: struct argdata should use
4789 unsigned buffer sizes.)
4790 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4791 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4792 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4793 size_t before comparison.
4795 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4797 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4798 (find_basic_blocks_1): Similarly.
4799 * output.h (find_basic_blocks): Fix prototype.
4800 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4801 find_basic_blocks anymore.
4803 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4805 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4806 (sbitmap_free, sbitmap_vector_free): New macros.
4807 * output.h (rtl_dump_file): Declare.
4809 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4811 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4813 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4815 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4817 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4818 (divide): Remove unused variable `tmp'.
4819 (si_to_float): Cast numeric constant to (SItype) before comparing
4822 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4824 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4825 * gcc.c (add_preprocessor_option): Correct typo when allocating
4826 memory, sizeof() argument had one too many `*'.
4827 (add_assembler_option): Likewise.
4828 (add_linker_option): Likewise.
4829 * gcov.c (output_data): Likewise.
4830 * local-alloc.c (memref_used_between_p): Likewise.
4831 (update_equiv_regs): Likewise.
4832 * loop.c (strength_reduce): Likewise.
4833 * reg-stack.c (record_asm_reg_life): Likewise.
4834 (subst_asm_stack_reg): Likewise.
4835 * reorg.c (dbr_schedule): Likewise.
4837 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4839 * flow.c (life_analysis_1): Break out some functions.
4840 (find_basic_blocks_1): Likewise. Also move some variables out and
4842 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4843 new static var nonlocal_label_list with it.
4844 (active_eh_region, nested_eh_region, label_value_list,
4845 nonlocal_label_list): New static variables.
4846 (make_edges, delete_unreachable_blocks, delete_block): New static
4847 functions, broken out of find_basic_blocks_1.
4848 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4849 noop_move_p): New static functions, broken out of life_analysis_1.
4851 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4853 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4854 Take extra care for op0 now possibly being a subreg.
4855 (extract_bit_field): Likewise.
4856 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4857 the reg to memory if there is no equal sized integral mode.
4858 * stor-layout.c (int_mode_for_mode): New function.
4859 * machmode.h: Prototype it.
4861 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4863 * global.c (build_insn_chain): Verify no real insns exist past the
4864 end of the last basic block, then exit the loop.
4866 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4868 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4870 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4872 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4874 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4876 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4878 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4880 * flow.c (find_basic_blocks): Correctly determine when a call
4881 is within an exception region.
4883 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4885 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4887 * cpplib.h: Protect from multiple inclusions.
4888 * cpplib.c: Fix minor formatting problems.
4890 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4892 * jump.c (jump_optimize): Revert accidental patch.
4894 * Makefile.in (cpplib.o): Use unlibsubdir.
4896 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4898 * loop.c (get_condition): Allow combine when either compare is
4901 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4903 * version.c: Bump for snapshot.
4905 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4907 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4908 (init_lex): Initialize ridpointers[RID_BYREF].
4909 * c-lex.h (enum rid): Add RID_BYREF.
4910 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4911 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4912 (encode_type_qualifiers): Similarly
4913 * c-gperf.h: Rebuilt.
4915 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4917 * c-common.c (type_for_mode): Only return TItype nodes when
4918 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4919 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4920 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4921 (init_decl_processing): Only create TItype nodes when
4922 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4923 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4924 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4926 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4928 * stmt.c (n_occurrences): New static function.
4929 (expand_asm_operands): Verify that all constrains match in the
4930 number of alternatives.
4931 Verify that '+' or '=' are at the beginning of an output constraint.
4932 Don't allow '&' for input operands.
4933 Verify that '%' isn't written for the last operand.
4934 * reload.c (find_reloads): Abort if an asm is found with invalid
4935 constraints; all possible problems ought to be checked for earlier.
4937 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4939 * flags.h (flag_branch_on_count_reg): Always declare
4940 * toplev.c (flag_branch_on_count_reg): Likewise.
4941 * toplev.c: Fix typos.
4943 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4946 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4948 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4950 (find_basic_blocks_1): Add a nop to the end of a basic block when
4951 a trailing call insn does not have abnormal control flow.
4952 * gcse.c (pre_transpout): New variable.
4953 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4954 (compute_pre_transpout): Calculate it.
4955 (compute_pre_ppinout): Use it to eliminate impossible placements
4956 due to abnormal control flow through calls.
4957 (compute_pre_data): Call compute_pre_transpout.
4959 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4961 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4963 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4965 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4966 and matching define_insns): Tack on a `use' of the table label, so
4967 flow analysis will recognize a tablejump.
4969 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4971 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4972 always end basic blocks for abnormal edge reasons.
4974 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4976 * config/i386/i386.h: Remove definition of
4977 HANDLE_PRAGMA_PACK_PUSH_POP.
4979 * config/i386/go32.h: Add definition of
4980 HANDLE_PRAGMA_PACK_PUSH_POP.
4982 * config/i386/win32.h: Add definition of
4983 HANDLE_PRAGMA_PACK_PUSH_POP.
4985 * config/i386/cygwin32.h: Add definition of
4986 HANDLE_PRAGMA_PACK_PUSH_POP.
4988 * c-pragma.c (insert_pack_attributes): Do not insert
4989 attributes unless #pragma pack(push,<n>) is in effect.
4991 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4993 * expr.c (emit_group_store): Handle a PARALLEL destination.
4995 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4997 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4998 the new insns before the argument regs are loaded.
5000 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5002 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5003 (c-parse.gperf): Update comments describing invocation flags.
5004 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5006 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5008 * reload1.c (reload): Call free before clobbering the memory
5009 locations or constants pointers.
5011 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5013 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5014 for efficiency by checking whether we need to modify the current
5015 stack permission at all.
5016 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5017 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5018 __enable_execute_stack libcall here too if
5019 TRANSFER_FROM_TRAMPOLINE is defined.
5020 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5023 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5025 * Makefile.in (DRIVER_DEFINES): Remove last change.
5027 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5029 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5030 insns we're going to copy.
5031 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5033 * loop.c (count_one_set): Add prototype.
5035 * caller-save.c (restore_referenced_regs): Lose mode argument.
5036 (insert_save): Lose mode argument.
5037 (insert_restore): Lose mode argument.
5038 (insert_one_insn): Lose mode argument.
5039 (save_call_clobbered_regs): Lose mode argument.
5040 (setup_save_areas): Take no argument and return void. All callers
5042 Don't verify validity of memory addresses.
5043 * reload.h (setup_save_ares): Adjust prototype.
5044 (save_call_clobbered_regs): Likewise.
5045 * reload1.c (delete_caller_save_insns): New function.
5046 (caller_save_spill_class): Delete variable.
5047 (caller_save_group_size): Delete variable.
5048 (reload): Call setup_save_areas and save_call_clobbered_regs
5049 in the main loop, before calling calculate_needs_all_insns.
5050 Don't call save_call_clobbered_regs after the loop.
5051 Call delete_caller_save_insns at the end of an iteration if
5053 Delete code to manage caller_save_spill_class.
5054 Emit the final note before setting reload_first_uid.
5055 Simplify test that determines whether reload_as_needed gets run.
5056 (calculate_needs): Delete code to manage caller_save_spill_class.
5058 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5060 * collect2.c (main): Initialize ld_file_name.
5062 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5064 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5065 check for flag_function_sections.
5067 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5069 * cse.c (insert_regs): Fix bug in Sep 24 change.
5071 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5073 * flags.h (flag_dump_unnumbered): Declare.
5074 * toplev.c (flag_dump_unnumbered): Don't declare.
5075 * print-rtl.c (flags.h): Include.
5076 (print_rtl_single): Add return value.
5077 * rtl.h (print_rtl_single): Update declaration.
5078 * flow.c (flag_dump_unnumbered): Don't declare.
5079 (print_rtl_with_bb): Use return value of print_rtl_single.
5081 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5083 * loop.c (count_one_set): New static function, broken out of
5085 (count_loop_regs_set): Call it.
5086 * global.c (mark_reg_store): Handle clobbers here by not calling
5088 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5089 is in fact a clobber.
5090 * integrate.c (process_reg_param): New function, broken out of
5091 expand_inline_function.
5092 (expand_inline_function): Call it.
5095 * i386.md (addsidi3_1): Delete unused variable temp.
5096 (addsidi3_2): Likewise.
5097 (clstrstrsi): Delete unused variable addr1.
5099 * rtl.h: Don't declare any functions also declared in recog.h.
5101 * Makefile.in (stupid.o): Update dependencies.
5102 (global.o): Likewise.
5104 * global.c: Include reload.h
5105 (reg_becomes_live): New function.
5106 (reg_dies): New function.
5107 (build_insn_chain): New function.
5108 (global_alloc): Call build_insn_chain before calling reload.
5110 * reload.h (struct needs): New structure definition.
5111 (struct insn_chain): Likewise.
5112 (reload_insn_chain): Declare variable.
5113 (new_insn_chain): Declare function.
5116 * reload1.c (reload_startobj): New variable.
5117 (reload_insn_chain): New variable.
5118 (unused_insn_chains): New variable.
5119 (new_insn_chain): New function.
5120 (init_reload): Initialize reload_startobj, not reload_firstobj.
5121 (reload): Initialize reload_firstobj.
5122 Before returning, free everything on the reload_obstack.
5124 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5125 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5126 current_chain): New variables.
5127 (reg_where_born): Delete variable.
5128 (REG_WHERE_BORN): New macro.
5129 (find_clobbered_regs): New function.
5130 (stupid_life_analysis): Don't allocate/free reg_where_born.
5131 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5132 reg_where_dead_chain.
5133 Use REG_WHERE_BORN instead of reg_where_born.
5134 While processing the insns, build the reload_insn_chain with
5135 information about register lifetimes.
5136 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5137 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5139 Compute and information about birth and death of pseudo registers in
5140 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5141 Delete code to set elements of reg_where_born.
5143 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5145 * tree.def (GOTO_EXPR): Modified documentation.
5146 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5149 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5151 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5152 loop_final_value, loop_comparison_code): No longer static.
5153 (unroll_loop): Delete loop_start_value update.
5154 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5155 loop_final_value, loop_comparison_code): Extern.
5156 (loop_start_value): Delete extern.
5157 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5158 loop_comparison_value, loop_comparison_code): Delete.
5159 (loop_optimize): Remove initialization for deleted variables.
5160 (strength_reduce): Delete analyze_loop_iterations call. Only call
5161 insert_bct if flag_branch_count_on_reg set.
5162 (analyze_loop_iterations): Delete.
5163 (insert_bct): Remove iteration count calculation. Move checks for
5164 viable BCT optimization to here. Obtain iteration count from
5165 loop_iterations and correct for unrolling. Check for enough
5166 iteration to be beneficial. Comment out runtime iteration count
5168 (insert_bct): Print iteration count in dump file. Remove
5169 loop_var_mode and use word_mode directly.
5171 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5172 * rs6000.c (rs6000_override_options): Use it.
5173 (optimization_options): Enable use of flag_branch_on_count_reg.
5174 * rs6000.md (define_function_unit): Describe 604e.
5176 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5178 * loop.c (move_movables): Corrected threshold calculation for
5179 moved_once registers.
5181 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5183 * loop.c (combine_givs_p): Fix test for identical givs.
5185 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5187 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5188 call abort if the function is already defined.
5190 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5192 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5193 truncation is not a no-op.
5195 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5197 * version.c: Bump for snapshot.
5199 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5201 * version.c: Bump for snapshot.
5203 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5205 * expmed.c (expand_divmod): Don't widen for computing remainder
5206 if we seem to have a divmod pattern for needed mode.
5208 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5210 * cpplib.c (macroexpand): Correct off-by-one error in handling
5213 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5215 * combine.c (expand_field_assignment): Don't do bitwise operations
5216 on MODE_FLOAT; pun to MODE_INT if possible.
5218 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5219 scott snyder <snyder@d0sgif.fnal.gov>
5221 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5222 linker. Recognize mangled names in quotes.
5224 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5226 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5227 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5228 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5229 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5231 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5233 * function.c (purge_addressof_1): If trying to take a sub-word
5234 integral piece of a floating point mode, put it on the stack.
5236 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5238 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5240 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5242 * PROJECTS: Remove template friends.
5244 * collect2.c (sort_ids): Remove unused variable.
5246 * tm.texi (MATH_LIBRARY): Document.
5247 (NEED_MATH_LIBRARY): Remove.
5249 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5250 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5252 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5254 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5255 last_end to 0x7fffffff.
5257 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5259 * function.c (purge_addressof_1): Do not perform endianness
5260 corrections on bitpos, who we call will do it for us.
5262 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5264 * h8300.c (WORD_REG_USED): Fix typo.
5265 (initial_offset): Use WORD_REG_USED.
5267 * h8300.c (handle_pragma): Fix typo.
5269 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5271 * caller-save.c (insert_save_restore): Break this function up
5272 into new functions insert_restore, insert_save and insert_one_insn.
5273 All callers changed.
5274 (insert_restore): New function, mostly broken out of
5275 insert_save_restore.
5276 (insert_save): Likewise.
5277 (insert_one_insn): Likewise.
5278 (restore_referenced_regs): New argument BLOCK. All callers changed.
5279 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5280 in this function, do it in insert_one_insn instead.
5282 * reload1.c (reload): Break out some more pieces into separate
5284 (dump_needs): New function, broken out of reload.
5285 (set_initial_elim_offsets): Likewise.
5286 (init_elim_table): Likewise.
5287 (update_eliminables): Likewise.
5289 * global.c (global_alloc): Delete code to manage the scratch_list.
5290 * local-alloc.c (qty_scratch_rtx): Delete.
5291 (scratch_block): Delete.
5292 (scratch_list): Delete.
5293 (scratch_list_length): Delete.
5294 (scratch_index): Delete.
5295 (alloc_qty_for_scratch): Delete.
5296 (local-alloc): Update initialization of max_qty.
5297 Delete code to manage the scratch list.
5298 Delete code to allocate/initialize qty_scratch_rtx.
5299 (block_alloc): Don't allocate quantities for scratches.
5300 Delete code to manage the scratch list.
5301 * regs.h (scratch_list): Delete declaration.
5302 (scratch_block): Delete declaration.
5303 (scratch_list_length): Delete declaration.
5304 * reload1.c (reload): Delete code to manage the scratch list.
5305 (spill_hard_reg): Likewise.
5306 (mark_scratch_live): Delete.
5308 * recog.c (alter_subreg): Delete declaration.
5310 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5312 * Makefile.in (cccp.o): Fix typo in last patch.
5314 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5316 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5317 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5319 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5321 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5322 NULL_RTX as an argument.
5324 * Makefile.in (unlibsubdir): Define.
5325 (DRIVER_DEFINES): Use unlibsubdir.
5326 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5327 (stmp-fixinc): Similarly.
5329 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5331 * regmove.c (regmove_optimize): Add variable old_max_uid.
5332 At the end of the function, update basic_block_end.
5334 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5336 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5337 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5340 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5342 * config/arm/arm.c: Improve interworking support.
5344 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5346 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5347 copied from reload_out[r] .
5349 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5351 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5352 with more than three size ranges.
5354 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5356 * rtl.c (mode_name): Add a null string at the end of the array.
5357 (mode_wider_mode): Change type to unsigned char.
5358 (mode_mask_array): New variable.
5359 (init_rtl): Update for mode_wider_mode type change.
5361 * rtl.h (mode_wider_mode): Change type to unsigned char.
5362 (mode_mask_array): Declare.
5363 (GET_MODE_MASK): Use mode_mask_array.
5365 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5367 * calls.c (expand_call) : Encapsulate code into
5368 copy_blkmode_from_reg.
5369 * expr.c (copy_blkmode_from_reg): New function.
5370 * expr.h (copy_blkmode_from_reg): New function.
5371 * integrate.c (function_cannot_inline_p): We can inline
5373 (expand_inline_function): Use copy_blkmode_from_reg
5374 if needed. Avoid creating BLKmode REGs.
5375 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5378 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5380 * config/v850/v850.c: Add function prototypes.
5381 Add support for v850 special data areas.
5383 * config/v850/v850.h: Add support for v850 special data areas.
5385 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5386 HANDLE_PRAGMA_PACK_PUSH_POP.
5387 (push_alignment): New function: Cache an alignment requested
5388 by a #pragma pack(push,<n>).
5389 (pop_alignment): New function: Pop an alignment from the
5391 (insert_pack_attributes): New function: Generate __packed__
5392 and __aligned__ attributes for new decls whilst a #pragma pack
5394 (add_weak): New function: Cache a #pragma weak directive.
5395 (handle_pragma_token): Document calling conventions. Add
5396 support for #pragma pack(push,<n>) and #pragma pack (pop).
5398 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5399 are defined enable HANDLE_PRAGMA_PACK.
5400 Move 'struct weak_syms' here (from varasm.c).
5401 Add pragma states for push and pop pragmas.
5403 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5406 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5407 HANDLE_GENERIC_PRAGMAS.
5409 * varasm.c: Move definition of 'struct weak_syms' into
5411 (handle_pragma_weak): Deleted.
5413 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5415 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5417 * c-decl.c (start_function): Add invocation of
5418 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5420 * tm.texi: Remove description of non-existant macro
5421 SET_DEFAULT_SECTION_NAME.
5423 (HANDLE_SYSV_PRAGMA): Document.
5424 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5426 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5428 * config.sub: Recognize i[34567]86-pc-udk as new target.
5429 * configure.in: Likewise.
5430 * config/i386/t-udk: New file.
5431 * config/i386/udk.h: New file.
5433 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5435 * reorg.c (check_annul_list_true_false): Remove unused variables.
5436 (steal_delay_list_from_target): Add missing "used_annul" variable.
5437 (try_merge_delay_insns): Close out half formed comment.
5439 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5441 * cpplib.c (macroexpand): If arg->raw_before or
5442 arg->raw_after, remove any no-reexpansion escape at the
5443 beginning of the pasted token. Correct handling of whitespace
5444 markers and no-reexpand markers at the end if arg->raw_after.
5446 * toplev.c (documented_lang_options): Recognize -include,
5447 -imacros, -iwithprefix, -iwithprefixbefore.
5448 * cpplib.c (cpp_start_read): Process -imacros and -include
5449 switches at the same time and in command-line order, after
5450 initializing the dependency-output code. Emit properly nested
5451 #line directives for them. Emit a #line for the main file
5452 before processing these switches, and don't do it again
5455 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5457 * function.c (purge_addressof_1): Use bitfield manipulation
5458 routines to handle mem mode < reg mode.
5460 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5462 * reorg.c (try_merge_delay_insns): Account for resources referenced
5463 in each instruction in INSN's delay list before trying to eliminate
5464 useless instructions. Similarly when looking at a trial insn's delay
5467 * reorg.c (check_annul_list_true_false): New function.
5468 (steal_delay_list_from_{target,fallthrough}): Call it and also
5469 refine tests for when we may annul if already filled a slot.
5470 (fill_slots_from_thread): Likewise.
5471 (delete_from_delay_slot): Return newly-created thread.
5472 (try_merge_delay_isns): Use its new return value.
5474 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5476 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5477 used to compute a giv or as some other non-counting use.
5479 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5481 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5482 * local-alloc.c (find_free_reg): Use it.
5483 * global.c (find_reg): Likewise.
5484 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5486 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5487 * caller-save.c (init_caller_save): Use it.
5488 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5490 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5492 * configure.in: Add --enable-cpplib option which uses cpplib
5493 for cpp, but doesn't link cpplib into cc1. Make help text
5494 capitalization consistent.
5495 * configure: Rebuilt.
5497 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5499 * function.c (gen_mem_addressof): If the address REG is
5500 REG_USERVAR_P make the new REG be so also.
5501 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5502 in an attempt to clarify slightly.
5504 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5506 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5507 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5509 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5511 * toplev.c: Fix last patch.
5513 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5515 * loop.c (get_condition): Fix typo in May 9 change.
5517 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5519 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5521 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5523 * toplev.c (documented_lang_options): Spelling corrections.
5525 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5527 * configure.in: new flags --with-ld and --with-as, equivalent
5528 to setting LD and AS environment variables. Test whether
5529 specified arguments are GNU commands, and report them with
5530 checking messages. Use the specified AS for configure
5533 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5535 * gcc.c (find_a_file): when looking for `as' and `ld', return
5536 the DEFAULT program if it exists
5537 * collect2.c (main): use DEFAULT_LINKER if it exists
5539 * gcc.c (find_a_file): the test for existence of a full
5540 pathname was reversed
5542 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5544 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5545 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5547 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5549 * tree.h (TYPE_BINFO): Document.
5551 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5553 * i386-coff.h (dbxcoff.h): Added.
5555 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5557 * toplev.c: fix bad patch around flag_data_sections.
5559 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5561 * reload1.c (reload): Use reload_address_index_reg_class and
5562 reload_address_base_reg_class when setting
5563 caller_save_spill_class. (Patch generated by Jim Wilson:
5566 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5568 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5569 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5570 * expr.c (store_field): Add alias_set parameter. Set the
5571 MEM_ALIAS_SET accordingly, if the target is a MEM.
5572 (expand_assignment): Use it.
5573 (store_constructor_field): Pass 0.
5574 (expand_expr): Likewise.
5576 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5578 * flags.h: Add flag_data_sections.
5579 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5580 (compile_file): Error if flag_data_sections not supported.
5581 * varasm.c (assemble_variable): Handle flag_data_sections.
5582 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5583 * config/mips/elf.h: Likewise.
5584 * config/mips/elf64.h: Likewise.
5585 * invoke.texi: Describe -fdata-sections.
5587 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5589 * invoke.texi (-ffloat-store): Clarify that this option
5590 does not affect intermediate results -- only variables.
5592 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5594 * cpp.texi: Update for Fortran usage from Craig.
5596 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5598 * rs6000.c (function_arg_boundary): Revert accidental change on
5601 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5603 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5604 (output_mi_thunk): Declare.
5606 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5607 (output_function_profiler): Use r12 for temp, instead of r11 so
5608 that we preserve the static chain register.
5610 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5612 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5614 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5616 * sh.c (gen_shl_sext): Fix case 5.
5618 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5620 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5622 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5624 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5625 accessing variables until they are initialized via va_arg().
5627 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5629 * reload1.c (reload_combine): Initialize set before using.
5631 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5633 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5636 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5638 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5639 operand3 with mask before using it. Patch provided by Jim Wilson.
5641 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5643 * config/sparc/sparc.c (function_value): Perform the equivalent of
5644 PROMOTE_MODE for ARCH64.
5645 (eligible_for_epilogue_delay): Allow DImode operations in delay
5646 slot of a return for ARCH64.
5648 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5650 * sh.md (sqrtsf2): Fix mode of sqrt.
5652 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5654 * reload1.c (choose_reload_regs): Also try inheritance when
5655 reload_in is a stack slot of a pseudo, even if we already got a
5658 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5660 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5661 (reload_cse_regs): New function body: call reload_cse_regs_1,
5662 reload_combine, reload_cse_move2add.
5663 When doing expensive_optimizations, call reload_cse_regs_1 a
5664 second time after reload_cse_move2add.
5665 (reload_combine, reload_combine_note_store): New functions.
5666 (reload_combine_note_use): New function.
5667 (reload_cse_move2add, move2add_note_store): New functions.
5669 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5671 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5672 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5674 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5675 more than 3 such reloads.
5677 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5678 RELOAD_FOR_X_ADDR_ADDR reload.
5680 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5682 * expr.c (store_constructor): When initializing a field that is smaller
5683 than a word, at the start of a word, try to widen it to a full word.
5685 * cse.c (cse_insn): When we are about to change a register,
5686 remove any invalid references to it.
5688 (remove_invalid_subreg_refs): New function.
5689 (mention_regs): Special treatment for SUBREGs.
5690 (insert_regs): Don't strip SUBREG for call to mention_regs.
5691 Check if reg_tick needs to be bumped up before that call.
5692 (lookup_as_function): Try to match known word_mode constants when
5693 looking for a norrower constant.
5694 (canon_hash): Special treatment for SUBREGs.
5696 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5698 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5699 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5700 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5701 and offsets in actual stack trampoline code so they match the
5702 commentary and actually work.
5704 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5706 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5708 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5709 tmake_file. Set extra_parts to needed crt objects.
5710 * configure: Rebuilt.
5711 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5712 (TARGET_DEFAULT): Set if default is v9 or ultra.
5713 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5714 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5715 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5716 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5717 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5718 (TARGET_VERSION): Define.
5719 (MULTILIB_DEFAULT): Define.
5720 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5721 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5722 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5724 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5725 * config/sparc/sparc.c (sparc_override_options): If arch and
5726 pointer size disagree, emit diagnostic and fix it up. If
5727 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5728 V8PLUS in 64-bit mode.
5729 * config/sparc/t-linux64: New file.
5730 * config/sparc/t-sol2-64: New file.
5731 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5732 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5733 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5734 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5735 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5736 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5738 (STARTFILE_SPEC): Set approriately based upon those.
5739 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5740 disposition of DEFAULT_ARCH32_P.
5741 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5742 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5743 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5744 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5745 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5747 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5749 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5751 * rtl.h (init_virtual_regs): New function.
5752 * emit-rtl.c (init_virtual_regs): Define.
5753 (insn_emit): Use it.
5754 * integrate.c (save_for_inline_copying): Likewise.
5756 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5758 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5759 (enum reg_class): Add NONARG_LO_REGS support.
5760 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5761 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5762 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5763 completes. Re-enable HImode REG+OFFSET addresses.
5764 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5766 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5768 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5770 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5771 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5772 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5774 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5776 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5777 jumps as a single entity, taking into account the size of the
5780 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5782 * tree.def (SWITCH_EXPR): New tree node definition.
5784 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5786 * version.c: Bump for snapshot.
5788 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5790 * version.c: Bump for snapshot.
5792 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5794 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5797 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5799 * Revert this patch.
5800 * reload.c (find_reloads): Do not replace a pseudo with
5801 (MEM (reg_equiv_addr)) in the initializing insn for the
5804 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5806 * final.c (final_scan_insn): Disable tracking CC across branches.
5808 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5810 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5811 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5812 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5813 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5814 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5816 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5818 * toplev.c (rest_of_compilation): Skip compiling anything with
5819 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5821 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5823 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5824 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5825 use in_libcall_block.
5826 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5827 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5830 Mon Sep 21 14:02:23 1998
5832 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5833 typo in no-fancy-math-387 description.
5835 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5837 * version.c: Bump for snapshot.
5839 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5841 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5843 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5845 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5846 documented in install.texi.
5847 (TARGET_OPTIONS) Likewise.
5849 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5851 * version.c: Bump for snapshot.
5853 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5855 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5856 * cccp.c (main): Likewise.
5858 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5859 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5862 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5864 * Makefile.in (LIBS): Link in libiberty.a.
5865 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5867 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5869 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5870 it to update bb boundaries. Update caller.
5871 * function.c (reposition_prologue_and_epilogue_notes): Update
5872 bb boundaries wrt the moved note.
5874 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5876 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5878 * configure: Regenerate.
5880 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5882 * alpha.c (alpha_sr_alias_set): New variable.
5883 (override_options): Set it.
5884 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5885 (mode_mask_operand): Fix signed-unsigned comparision warning.
5886 (alpha_expand_block_move): Likewise.
5887 (print_operand): Likewise.
5888 (get_aligned_mem): Use change_address.
5889 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5890 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5891 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5892 (alpha_align_insns): Remade from old alphaev5_align_insns
5893 to handle multiple processors.
5894 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5895 * output.h (label_to_alignment): Prototype.
5897 * tree.c (new_alias_set): New function.
5898 * tree.h (new_alias_set): Declare it.
5899 * c-common.c (c_get_alias_set): Use it.
5901 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5903 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5904 to an ABS expr, convert an unsigned input to signed.
5906 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5908 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5910 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5912 * configure.in: Add support for c4x targets.
5913 * configure: Rebuilt.
5915 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5917 * combine.c (distribute_notes): If an insn is a cc0 user, only
5918 delete it if we can also delete the cc0 setter.
5920 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5922 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5923 (invert_truthvalue): Enable truthvalue inversion for
5924 floating-point operands if -ffast-math.
5926 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5928 * configure.in: Disable collect2 for nextstep. Instead use
5930 * configure: Rebuilt.
5931 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5932 (ENDFILE_SPEC): Define.
5933 (OBJECT_FORMAT_MACHO): Define.
5934 (EH_FRAME_SECTION_ASM_OP): Define.
5935 * crtstuff.c: Handle MACHO.
5937 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5939 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5941 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5943 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5944 (_fpadd_parts): Get sign right for 0.
5946 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5948 * ginclude/varargs.h: Add support for C4x target.
5949 * ginclude/stdargs.h: Likewise.
5951 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5953 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5954 (alpha_emit_set_long_const): Rewrite to be callable from reload
5956 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5957 * alpha.md (movdi): Likewise.
5959 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5961 * arm.c (add_constant): New parameter address_only, change caller.
5962 Set it non-zero if taking the address of an item in the pool.
5963 (arm_reorg): Handle cases where we need the address of an item in
5966 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5968 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5969 memory addresses that are not in standard canonical form.
5971 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5973 * README.C4X: New file with information about the c4x ports.
5974 * ginclude/va-c4x.h: New file for c4x varargs support.
5975 * config/c4x: New directory with c4x port files.
5977 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5979 * reload.c (find_reloads): Do not replace a pseudo with
5980 (MEM (reg_equiv_addr)) in the initializing insn for the
5983 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5985 * toplev.c (rest_of_compilation): Set bct_p on second call to
5987 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5989 (strength_reduce): Only call analyze_loop_iterations and
5990 insert_bct if bct_p set.
5991 (check_dbra_loop): Fix typo.
5992 (insert_bct): Use word_mode instead of SImode.
5993 (instrument_loop_bct): Likewise. Do not delete iteration count
5994 condition code generation insn. Initialize iteration count before
5996 * rtl.h (loop_optimize): Update prototype.
5998 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5999 not doubleword aligned.
6001 * rs6000.c (optimization_options): New function.
6002 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6003 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6004 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6005 first; cr1 can be used for FP record condition insns.
6007 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6009 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6012 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6015 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6017 (block_move_call): New function: Call a library routine to copy a
6019 (m32r_expand_block_move): New function: Expand a "movstrsi"
6020 pattern into a sequence of insns.
6021 (m32r_output_block_move): New function: Expand a
6022 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6023 (m32r_block_immediate_operand): New function: Return true if the
6024 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6026 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6028 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6030 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6032 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6034 * regmove.c (copy_src_to_dest): Check that modes match.
6036 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6038 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6040 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6042 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6043 narrower than FLOAT_REGS.
6045 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6047 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6049 * Makefile.in (old_gxx_include_dir): removed
6051 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6053 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6056 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6057 (sh_handle_pragma): Change function arguments to match new
6058 specification for HANDLE_PRAGMA.
6060 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6062 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6064 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6065 When generating output, initialize missing struct member to zero.
6067 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6069 * regmove.c (copy_src_to_dest): Don't copy if that requires
6070 (a) new register(s).
6072 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6074 * global.c (reg_allocno): Now static.
6075 * reload1.c (reg_allocno): Delete declaration.
6076 (order_regs_for_reload): Take no arguments. Don't treat regs
6077 allocated by global differently than those allocated by local-alloc.
6079 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6081 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6082 condition, fix format strings.
6083 (output_function_epilogue): Likewise.
6085 * m68k/m68k.c: Don't include <stdlib.h> directly.
6087 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6089 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6090 mem_first_set, mem_last_set; because 0 can be a CUID.
6091 (oprs_unchanged_p): Use new definition.
6092 (record_last_reg_set_info): Likewise.
6093 (record_last_mem_set_info): Likewise.
6094 (compute_hash_table): Likewise.
6096 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6098 * rs6000.c (output_epilogue): Handle Chill.
6100 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6101 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6103 * combine.c (make_extraction): If no mode is specified for
6104 an operand of insv, extv, or extzv, default it to word_mode.
6105 (simplify_comparison): Similarly.
6106 * expmed.c (store_bit_field): Similarly.
6107 (extract_bit_field): Similarly.
6108 * function.c (fixup_var_regs_1): Similarly.
6109 * recog.c (validate_replace_rtx_1): Similarly.
6110 * mips.md (extv, extzv, insv expanders): Default modes for most
6111 operands. Handle TARGET_64BIT.
6112 (movdi_uld, movdi_usd): New patterns.
6114 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6115 equivalent memory location unless we have been provided a scratch
6116 register. Similarly do not call find_replacement unless a
6117 scratch register has been provided.
6119 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6121 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6124 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6126 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6127 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6128 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6129 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6130 * c-decl.c (init_decl_processing): Update accordingly.
6131 * expr.c (expand_builtin): Likewise.
6133 * rtl.h (global_rtl): Add cfa entry.
6134 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6135 (LAST_VIRTUAL_REGISTER): Update.
6136 * emit-rtl.c (global_rtl): Add cfa entry.
6137 (init_emit): Initialize it.
6138 * function.c (cfa_offset): New.
6139 (instantiate_virtual_regs): Initialize it.
6140 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6141 (expand_function_end): Call expand_eh_return.
6142 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6144 * except.c (current_function_eh_stub_label): Kill.
6145 (current_function_eh_old_stub_label): Likwise; update all references.
6146 (expand_builtin_set_return_addr_reg): Kill.
6147 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6148 (expand_builtin_set_eh_regs): Kill.
6149 (eh_regs): Produce a third reg for the actual handler address.
6150 (eh_return_context, eh_return_stack_adjust): New.
6151 (eh_return_handler, eh_return_stub_label): New.
6152 (init_eh_for_function): Initialize them.
6153 (expand_builtin_eh_return, expand_eh_return): New.
6154 * except.h: Update prototypes.
6155 * flow.c (find_basic_blocks_1): Update references to the stub label.
6156 * function.h (struct function): Kill stub label elements.
6158 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6159 register number is one that would be in the previous window.
6160 Provide a dummy definition for non-windowed targets.
6161 (get_reg_addr): New function.
6162 (get_reg, put_reg, copy_reg): Use it.
6163 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6164 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6166 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6167 (alpha_init_expanders): Initialize it.
6168 (alpha_expand_epilogue): Use it.
6169 * alpha.h: Declare it.
6170 * alpha.md (eh_epilogue): New.
6172 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6173 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6175 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6177 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6180 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6182 * except.h (struct eh_entry): Add false_label field.
6183 (end_catch_handler): Add prototype.
6184 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6185 (start_catch_handler): When using old style exceptions, issue
6186 runtime typematch code before continuing with the handler.
6187 (end_catch_handler): New function, generates label after handler
6188 if needed by older style exceptions.
6189 (expand_start_all_catch): No need to check for new style exceptions.
6190 (output_exception_table_entry): Only output the first handler label
6191 for old style exceptions.
6192 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6193 mechanism into one function, if a runtime matcher is provided.
6195 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6197 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6199 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6201 * integrate.c (copy_decl_list): Fix typo.
6203 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6205 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6208 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6210 * version.c: Bump for snapshot.
6212 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6214 * version.c: Bump for snapshot.
6216 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6218 * version.c: Bump for snapshot.
6220 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6222 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6224 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6226 * configure.in: remove usage of `!' to negate the result of a
6227 command; some common shells do not support it
6229 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6231 * configure.in: in sparc9-sol2 config, use 'if test' not
6233 * configure: Rebuilt.
6235 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6237 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6238 (CPP_CPU_DEFAULT_SPEC): Likewise.
6239 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6240 for arch64 libfuncs.
6242 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6245 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6247 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6249 * collect2.c: Don't declare `sys_siglist' here.
6250 (my_strsignal): Prototype and define new function. Use it in
6251 place of `sys_siglist' hacks.
6253 * mips_tfile.c: Likewise.
6255 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6256 (GCC_NEED_DECLARATIONS): Likewise.
6258 * system.h (strsignal): Prototype it, if necessary.
6259 (sys_siglist): Declare it, if necessary.
6261 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6263 * loop.c (move_movables): While removing insn sequences, preserve
6264 the next pointer of the most recently deleted insn when we skip
6267 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6269 * objc/config-lang.in: Do not output the name of the selected
6270 thread file when building the front-end. The Makefile for the
6271 runtime library will do this.
6273 * objc/Make-lang.in: Do not build the runtime library or install
6274 the Objective C header files. The Makefile for the runtime
6275 library will do this.
6277 * objc/Makefile.in (all.indirect): Only build the front-end.
6278 (compiler): Rename to `frontend'.
6279 (obj-runtime): Remove target.
6280 (copy-headers): Likewise.
6281 (clean): No need to remove `libobjc.a' any longer.
6283 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6285 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6286 supported with -mcpu=xxx.
6288 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6290 * flow.c (mark_set_1): Recognize multi-register structure return
6291 values in CALL insns.
6292 (mark_used_regs): Likewise.
6293 (count_reg_sets_1): Likewise.
6294 (count_reg_references): Likewise.
6295 * rtlanal.c (note_stores): Likewise.
6296 (reg_overlap_mentioned_p): Likewise.
6297 * haifa-sched.c (check_live_1): Likewise.
6298 (update_live_1): Likewise.
6299 (sched_analyze_1): Likewise.
6300 (sched_note_set): Likewise.
6301 (birthing_insn_p): Likewise.
6302 (attach_deaths): Likewise.
6304 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6307 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6309 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6311 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6313 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6315 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6317 * configure.in: Add check for GAS subsection -1 support.
6318 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6319 * configure config.in: Rebuilt.
6320 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6321 SImode is subsection -1 works, else use DImode.
6322 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6323 subsection -1 works.
6324 * config/sparc/sparc.c (sparc_output_addr_vec,
6325 sparc_output_addr_diff_vec): Use them if defined.
6327 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6329 * tree.h (DECL_ORIGIN): New macro.
6330 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6331 (copy_decl_list): Use it.
6332 (integrate_parm_decls): Likewise.
6333 (integrate_decl_tree): Likewise.
6334 * dwarf2out.c (decl_ultimate_origin): Simplify.
6335 * dwarfout.c (decl_ultimate_origin): Likewise.
6336 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6337 (pushdecl): Likewise.
6339 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6341 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6343 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6345 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6347 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6349 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6350 empty or has a single entry.
6352 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6353 before calling reg_to_stack.
6355 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6357 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6358 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6360 * c-tree.h (warn_long_long): Declare it.
6362 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6364 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6365 initialized float-int union if the value is a NaN.
6367 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6369 * c-lex.c (real_yylex): Don't warn about long long constants if
6370 we're allowing long long
6372 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6374 * except.h (current_function_eh_stub_label): Declare.
6375 (current_function_eh_old_stub_label): Declare.
6376 * function.h (struct function): New members eh_stub_label and
6378 * except.c (current_function_eh_stub_label): New variable.
6379 (current_function_eh_old_stub_label): New variable.
6380 (init_eh_for_function): Clear them.
6381 (save_eh_status): Save them.
6382 (restore_eh_status): Restore them.
6383 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6384 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6385 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6386 make an edge from the block that contains it to the block starting
6387 with the label if this label is one of the eh stub labels.
6388 If eh stub labels exist, show they are reachable from the last block
6391 * reload1.c (reload): Break out several subroutines and make some
6393 (calculate_needs_all_insns): New function, broken out of reload.
6394 (calculate_needs): Likewise.
6395 (find_reload_regs): Likewise.
6396 (find_group): Likewise.
6397 (find_tworeg_group): Likewise.
6398 (something_needs_reloads): New global variable, formerly in reload.
6399 (something_needs_elimination): Likewise.
6400 (caller_save_spill_class): Likewise.
6401 (caller_save_group_size): Likewise.
6402 (max_needs): Likewise.
6403 (group_size): Likewise.
6404 (max_groups): Likewise.
6405 (max_nongroups): Likewise.
6406 (group_mode): Likewise.
6407 (max_needs_insn): Likewise.
6408 (max_groups_insn): Likewise.
6409 (max_nongroups_insn): Likewise.
6410 (failure): Likewise.
6412 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6414 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6416 * loop.c (load_mems): Copy rtx for output mem.
6418 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6420 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6421 mips1 or mips2 either.
6423 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6425 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6427 (pa_adjust_insn_length): Update to work with new marking scheme
6428 for jumps inside switch tables.
6429 * pa.md (switch_jump): Remove pattern.
6430 (jump): Handle jumps inside jump tables.
6432 * Makefile.in (profile.o): Depend on insn-config.h
6434 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6436 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6438 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6440 Add preliminary native sparcv9 Solaris support.
6441 * configure.in: Recognize sparv9-*-solaris2*
6442 * configure: rebuilt
6443 * config.sub: Recognize sparcv9 just like sparc64.
6444 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6445 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6446 32-bit and 64-bit Solaris systems.
6447 * config/sparc/t-sol2: Assemble those with cpp.
6448 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6449 (*TF*_LIBCALL): If ARCH64 use V9 names.
6450 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6452 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6454 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6455 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6457 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6459 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6460 to Pmode if CASE_VECTOR_MODE is something else.
6462 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6464 * prefix.c (update_path): Correctly handle cases where PATH is
6465 a substring of the builtin prefix, but specifies a different
6468 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6470 * expr.c: Corrected comment about what MOVE_RATIO does.
6471 * config/alpha/alpha.h: Ditto.
6472 * config/1750a/1750a.h: Ditto.
6473 * config/clipper/clipper.h: Ditto.
6474 * config/i386/i386.h: Ditto.
6476 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6478 * configure.in (m68k-next-nextstep3*): Use collect2.
6479 Similarly for x86 NeXT configurations.
6480 * configure: Rebuilt.
6482 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6484 * configure.in: Don't assume srcdir is .../gcc
6485 * configure: Rebuilt.
6487 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6489 * global.c: Update comments.
6490 (global_alloc): Assign allocation-numbers
6491 even for registers allocated by local_alloc in case
6492 they are later spilled and retry_global_alloc is called.
6493 (mark_reg_store, mark_reg_clobber,
6494 mark_reg_conflicts, mark_reg_death): Always record a
6495 conflict with a pseudo register even if it has been
6496 assigned to a hard register.
6497 (dump_conflicts): Don't list pseudo registers already assigned to
6498 a hard register as needing to be allocated, but do list their
6500 * local-alloc.c: Update comment.
6502 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6504 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6505 * configure: Rebuilt.
6507 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6509 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6511 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6512 for all targets that set -msoft-float.
6514 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6516 * toplev.c (print_switch_values): Make static to match prototype.
6518 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6520 * configure.in: If we are unable to find the "gnatbind" program,
6521 then do not configure the ada subdir.
6522 * configure: Rebuilt.
6524 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6526 * version.c: Bump for snapshot.
6528 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6530 * version.c: Bump for snapshot.
6532 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6534 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6535 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6537 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6539 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6541 * genextract.c: Have insn-extract.c include toplev.h.
6543 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6545 * toplev.c: Include expr.h.
6546 (really_sorry, fancy_abort): Remove prototypes.
6547 (set_target_switch): Add argument in prototype.
6548 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6549 (v_really_sorry): Likewise.
6550 (print_version, print_single_switch, print_switch_values): Make
6551 static and add prototype arguments.
6552 (decl_printable_name): Add prototype arguments.
6553 (lang_expand_expr_t): New typedef.
6554 (lang_expand_expr): Declare as a lang_expand_expr_t.
6555 (incomplete_decl_finalize_hook): Add prototype argument.
6556 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6557 (botch): Likewise for variable `s'.
6558 (rest_of_type_compilation): Mark variables `type' and `toplev'
6559 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6560 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6561 (display_help): Make variable `i' an `unsigned long'.
6562 (main): Remove unused parameter `envp'.
6563 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6564 Cast -1 when comparing it with a `size_t'.
6566 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6567 prototype with ATTRIBUTE_NORETURN.
6568 (fatal_insn_not_found, fatal_insn, really_sorry,
6569 push_float_handler, pop_float_handler): Add prototypes.
6570 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6571 (do_abort, botch): Add prototypes.
6573 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6575 * final.c (final): If a label is reached only from a single jump,
6576 call NOTICE_UPDATE_CC on the jump and its predecessor before
6577 emitting the insn after the label.
6579 * i386.h: Add AMD K6 support.
6580 Change TARGET_* macros to use table lookup.
6581 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6582 (ADJUST_COST): Change definition to call function in i386.c.
6583 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6584 * i386.c: Add AMD K6 support.
6585 Add constants for feature tests used by TARGET_* macros.
6586 (split_di): If before reload, call gen_lowpart and gen_highpart.
6587 (x86_adjust_cost): New function.
6588 (put_jump_code): New function.
6589 (print_operand): New codes 'D' and 'd'.
6590 * i386.md: New insn types. New insn attribute "memory".
6591 Redefine scheduling parameters to use new types and add AMD K6
6592 support. Explicitly set type of most insns.
6593 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6594 Pro and K6 prefer movl $1,reg to incl reg.
6595 (adddi3, subdi3): Set cc_status.
6596 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6597 to int; x86 can't have more than 2^31 DImode shifts per file.
6598 (setcc): Combine all setcc patterns. Allow writing memory.
6599 Combine all jump patterns using match_operator.
6600 (*bzero): Name pattern. Emit mutliple stos instructions when that
6601 is faster than rep stos.
6602 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6605 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6607 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6610 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6612 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6613 not whatever we're generating now.
6615 * alpha.c (set_frame_related_p, FRP): New.
6616 (alpha_expand_prologue): Mark frame related insns.
6617 (alpha_expand_epilogue): Likewise, but with a null FRP.
6618 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6619 * alpha.md (exception_receiver): New.
6620 * alpha/crtbegin.asm (.eh_frame): New beginning.
6621 (__do_frame_setup, __do_frame_takedown): New.
6622 * alpha/crtend.asm (.eh_frame): New ending.
6623 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6624 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6625 (ASM_FILE_START): Don't emit .file for dwarf2.
6627 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6628 * rtl.c (reg_note_name): Likewise.
6629 * rtl.texi (REG_NOTES): Likewise.
6630 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6633 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6635 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6636 * i386.md (movsf, movdf, movxf): Validate memory address returned
6637 from force_const_mem. Kill useless REG_EQUAL setting code.
6639 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6641 * m68k.md (zero_extendsidi2): Fix typo.
6643 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6645 * configure.in: Removed references to the removed file
6646 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6647 * arm*-*-netbsd* and ns32k-*-netbsd*.
6648 * config/i386/xm-netbsd.h: Removed unnecessary file.
6649 * config/m68k/xm-netbsd.h: Likewise.
6650 * config/sparc/xm-netbsd.h: Likewise.
6651 * config/mips/xm-netbsd.h: Likewise.
6653 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6655 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6656 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6658 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6659 for exact section attributions.
6661 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6663 * i386/crtdll.h (CPP_PREDEFINES): Define.
6665 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6667 * m68k.md (5200 movqi): Do not allow byte sized memory references
6669 * m68k.c (output_move_qimode): Do not use byte sized operations on
6672 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6673 explicit rules for building. Similarly for alloca, vfprintf,
6674 choose-temp and mkstemp, getopt, getopt1, and obstack.
6675 (INCLUDES): Add $(srcdir)/../include.
6676 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6677 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6679 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6681 * gcc.c (do_spec_1): [case 'o'] Account for
6682 lang_specific_extra_outfiles.
6683 (main): Correctly clear all slots in outfiles for
6684 lang_specific_extra_outfiles. Set input_file_number before
6685 calling lang_specific_pre_link.
6687 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6689 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6691 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6693 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6695 (sparc_output_deferred_case_vectors): If no work to do, return.
6696 Fix thinko in Sept 1 change.
6698 1998-09-03 SL Baur <steve@altair.xemacs.org>
6700 * Makefile.in: add semicolon in BISON definition for portability.
6702 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6704 * config/nextstep.c (handle_pragma): Correct name of third
6707 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6709 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6710 * config/m32r/m32r.h: Make register 17 be fixed.
6711 * config/m32r/m32r.c: Use SImode for cc operations.
6713 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6715 * invoke.texi (Warning Options): Add -Wnon-template-friend
6718 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6720 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6722 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6724 * rs6000.md (movsf): Disable explicit secondary-reload-like
6725 functionality if TARGET_POWERPC64.
6726 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6729 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6731 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6732 and term.h from fixinc.wrap.
6734 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6736 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6737 safe to include both string.h and strings.h together.
6738 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6739 which headers to search for function declarations. Continue to
6740 prefer string.h over strings.h when both are not acceptable.
6742 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6744 * configure.in: Call GCC_HEADER_STRING.
6746 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6747 to include. Continue to prefer string.h over strings.h when both
6750 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6752 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6753 not assume top 32-bits of symbolic addresses are zero if
6756 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6758 * ginclude/va-alpha.h: Protect entire second portion of the
6759 file against double inclusion.
6761 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6763 Added support for the Boehm's garbage collector.
6764 * configure.in: Handle --enable-objc-gc.
6765 * configure: Rebuilt.
6766 * Makefile.in (CHECK_TARGETS): Add check-objc.
6767 (check-objc): New rule.
6768 * objc/Make-lang.in: Build a different Objective-C library that
6769 runs with the Boehm's collector.
6770 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6771 * objc/encoding.c: Correctly compute the size of compound types in
6772 the presence of bitfields. Skip the variable name of the type if
6773 any. Added support for long long.
6774 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6775 (_F_GCINVISIBLE): New mask.
6776 * objc/gc.c: New file. Compute the type memory mask associated with
6777 a class based on the runtime information.
6778 * objc/misc.c: Added the hooks that use the Boehm's collector
6779 allocation functions.
6780 * objc/objc-act.c (build_class_template): Generate a new class
6781 member (gc_object_type) to hold the class' type memory mask.
6782 (build_shared_structure_initializer): Initialize the new member to
6784 (encode_complete_bitfield): New function. Generate the new
6786 (encode_field_decl): Generate the new encoding only for the GNU
6788 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6790 (class_get_gc_object_type): New function to mark a pointer instance
6791 variable as a weak pointer.
6792 * objc/objc-features.texi: New file.
6793 * objc/objc.h (gc_object_type): New class member.
6794 * objc/objects.c (class_create_instance): Create a typed memory
6795 object when compiled with Boehm's collector support.
6796 * objc/sendmsg.c (__objc_init_install_dtable): Call
6797 __objc_send_initialize instead of setting the initialize flag.
6798 (__objc_send_initialize): Call __objc_generate_gc_type_description
6799 to generate the class type memory mask. Rewrite the code that
6800 sends the +initialize so that it is called only once (bug report
6801 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6802 * testsuite/objc: New testsuite for Objective-C type encoding.
6803 * testsuite/lib/objc-torture.exp: New file.
6804 * testsuite/lib/objc.exp: New file.
6806 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6808 * jump.c (jump_optimize): In if/then/else transformations, add
6809 another call to modified_between_p for the jump insn.
6811 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6813 * fix-header.c (symlink): Treat like readlink.
6815 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6817 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6820 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6822 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6823 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6824 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6826 * config/nextstep.c (handle_pragma): Take three arguments, as per
6827 the new HANDLE_PRAGMA macro specification.
6828 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6829 per the new HANDLE_PRAGMA macro specification.
6830 * config/i960/i960.c (process_pragma): Take three arguments, as
6831 per the new HANDLE_PRAGMA macro specification.
6833 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6835 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6836 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6837 if unknown pragmas are encountered.
6838 (handle_sysv_pragma): Interpret return code from
6839 handle_pragma_token (). Return success/failure indication rather
6840 than next unprocessed character.
6841 (pragma_getc): New function: retrieves characters from the
6842 input stream. Defined when HANDLE_PRAGMA is enabled.
6843 (pragma_ungetc): New function: replaces characters back into the
6844 input stream. Defined when HANDLE_PRAGMA is enabled.
6846 * c-pragma.c (handle_pragma_token): Return success/failure status
6849 * c-pragma.h: Change prototype of handle_pragma_token().
6851 * varasm.c: (handle_pragma_weak): Only create this function if
6852 HANDLE_PRAGMA_WEAK is defined.
6854 * c-common,c (decl_attributes): If defined call the expression
6855 contained within the INSERT_ATTRIBUTES macro before adding
6856 attributes to a decl.
6858 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6859 HANDLE_PRAGMA, which takes three arguments.
6860 (INSERT_ATTRIBUTES): Document this new macro.
6862 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6863 new INSERT_ATTRIBUTES macro.
6865 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6867 * config/sparc/sparc.md (movdf): Only generate special RTL for
6868 LABEL_REFs when PIC.
6869 (move_label_di): Remove
6870 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6871 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6872 references when PIC.
6873 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6874 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6875 output an .xword for all 64-bit cases.
6877 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6879 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6880 alignment, use FUNCTION_BOUNDARY instead.
6881 (sparc_output_deferred_case_vectors): Likewise.
6883 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6885 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6886 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6888 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6890 * alpha/va_list.h: New file.
6891 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6893 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6895 * NEWS: Add SCO Openserver and Unixware 7 notes.
6899 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6901 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6902 (record_constant_1): Handle RANGE_EXPR.
6904 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6906 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6907 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6908 and NOTE_INSN_RANGE_END specially.
6909 (reemit_notes): Likewise.
6911 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6913 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6914 (ultrasparc_sched_init): Remove unneeded &.
6916 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6918 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6919 for m68020-60, to prevent the use of fintrz.
6921 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6923 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6925 * Makefile.in: Likewise.
6926 * configure: Regenerated.
6928 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6930 * configure.in (gxx_include_dir): Changed to
6931 '${prefix}/include/g++'-${libstdcxx_interface}.
6932 * configure: Rebuilt.
6934 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6936 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6938 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6939 *sequences* *below* which scalar moves will be used.
6941 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6943 * collect2.c (mktemp): Delete unused declaration.
6945 * config/xm-netbsd.h: Remove unnecessary file.
6946 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6947 file anymore, it is not needed.
6949 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6951 * convert.c (convert_to_integer): Issue an error on conversions to
6954 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6956 * Makefile.in: Add lang_tree_files and gencheck.h.
6957 * configure.in: Generate them.
6958 * gencheck.c: Include gencheck.h.
6960 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6962 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6963 movdi_lo_sum_pic and movdi_high_pic and make visible.
6964 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6965 emit these when Pmode is not SImode.
6966 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6968 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6970 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6971 .linkonce directive after the first time.
6973 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6975 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6976 the clobbered operand overlaps with an input.
6977 (bne0_di): Similarly.
6979 * Makefile.in (INSTALL): Remove "--no-header" argument.
6981 * NEWS: Various updates.
6983 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6985 * config/sparc/sparc.c (arith_operand, const64_operand,
6986 const64_high_operand, arith_double_4096_operand): Mark mode as
6988 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6990 (sparc_emit_set_const64): Remove unused variable i.
6991 (sparc_splitdi_legitimate): Likewise for addr_part.
6992 (ultra_code_from_mask): Likewise for mask.
6993 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6994 reverse return values so it matches usage and comments.
6995 (ultra_flush_pipeline): Likewise.
6996 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6997 this_type, and allow loads and stores of differing FP modes as
6998 they do not create a conflict.
6999 (ultra_find_type): Initialize fpmode to SFmode, fix
7000 parenthesization thinkos in large conditional.
7001 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7002 Init free_slot_mask after ultra_cur_hist is reset, not before.
7003 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7004 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7005 use ultra_flush_pipeline instead, then re-init group pointer.
7006 Fix statement with no effect. If no progress made in, and no
7007 instructions scheduled at all, advance to new pipeline cycle else
7008 we get into an endless loop.
7009 (ultrasparc_adjust_cost): Remove previous arg.
7010 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7012 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7014 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7015 code. Use reg_overlap_mentioned_p to detect when source and
7016 destination overlap.
7017 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7019 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7021 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7022 COMPARISON_VAL, into invariant_p.
7024 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7026 * regmove.c (regclass_compatible_p): New function.
7027 (regmove_optimize): Use it.
7029 Use NREGS parameter insted of calling max_reg_num.
7031 (fixup_match_1): Don't use code = MINUS when later tieing with
7032 a hard register is likely.
7034 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7036 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7037 COMPARISON_VAL was normalized.
7039 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7041 * loop.c (check_dbra_loop): The loop ending comparison value
7042 must be an invariant or we can not reverse the loop.
7044 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7045 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7047 (load_mems_and_recount_loop_regs_set): Likewise.
7049 * i386.c (print_operand): Remove obsolete 'c' docs.
7051 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7053 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7054 * frame.c (init_object_mutex): New function.
7055 (init_object_mutex_once): Likewise.
7056 (find_fde): Call it.
7057 (__register_frame_info): Likewise.
7058 (__register_frame_info_table): Likewise.
7059 (__deregister_frame_info): Likewise.
7061 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7063 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7065 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7067 * loop.c (check_dbra_loop): Enable code for reversal
7068 of some loops without a known constant loop end.
7070 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7072 * haifa-sched.c (last_clock_var): New.
7073 (schedule_block): Initialize it.
7074 (schedule_insn): Use it to fill insn modes with issue information.
7076 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7077 Tag trapb and next insn with TImode.
7078 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7079 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7080 Invoke alphaev5_align_insns as appropriate.
7081 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7082 (MD_SCHED_VARIABLE_ISSUE): New.
7083 * alpha.md (attr type): Add multi.
7084 (define_asm_attributes): New.
7085 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7086 (arg_home): Likewise.
7087 (fnop, unop, realign): New.
7089 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7091 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7092 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7094 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7095 (rs6000-ibm-aix4.[12]*): Likewise.
7096 * configure: Regnerate.
7098 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7100 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7101 already contains the return address.
7103 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7105 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7106 word sized hunks when loading unaligned args into registers.
7108 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7109 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7111 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7113 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7115 * loop.c (check_dbra_loop): Add some code that would allow reversal
7116 of some loops without a known constant loop end if it were enabled.
7118 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7120 * mips.md (lshrsi3_internal2+2): Fix type-o.
7122 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7124 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7125 correctly with regards to stdio.h.
7127 * calls.c: Remove stdarg.h/varargs.h.
7130 * combine.c: Likewise.
7131 * cpperror.c: Likewise.
7132 * cpplib.c: Likewise.
7133 * cpplib.h: Likewise.
7134 * doprint.c: Likewise.
7135 * emit-rtl.c: Likewise.
7136 * final.c: Likewise.
7137 * fix-header.c: Likewise.
7139 * genattr.c: Likewise.
7140 * genattrtab.c: Likewise.
7141 * gencodes.c: Likewise.
7142 * genconfig.c: Likewise.
7143 * genemit.c: Likewise.
7144 * genextract.c: Likewise.
7145 * genflags.c: Likewise.
7146 * genopinit.c: Likewise.
7147 * genoutput.c: Likewise.
7148 * genpeep.c: Likewise.
7149 * genrecog.c: Likewise.
7150 * mips-tfile.c: Likewise.
7151 * prefix.c: Likewise.
7152 * protoize.c: Likewise.
7153 * regmove.c: Likewise.
7154 * toplev.c: Likewise.
7157 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7159 * config/sparc/sparc.c (sparc_override_options): If not
7160 TARGET_FPU, turn off TARGET_VIS.
7161 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7162 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7163 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7164 (movdi_insn_sp64): Add VIS fzero alternative.
7165 (clear_sf, clear_df): New VIS patterns.
7166 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7168 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7170 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7172 * loop.c (n_times_set, n_times_used, may_not_optimize,
7173 reg_single_usage): Convert to varrays. All uses changed.
7174 (insert_loop_mem): Return a value.
7175 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7176 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7179 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7182 * configure.in: Do not set thread_file to "irix" since no such
7185 * sparc.md (float abs/neg splits): Check reload_completed before
7186 calling alter_subreg.
7188 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7190 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7192 * config/sparc/sparc.h: Declare it.
7193 * config/sparc/sparc.md (float abs/neg splits): Use it.
7194 (all other splits): Handle SUBREGs properly where necessary.
7195 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7197 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7199 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7200 an insn on the unfilled_slots_list that has no delay slots.
7201 (fill_eager_delay_slots): Similarly.
7203 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7205 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7206 as an ordinary operand.
7208 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7210 * tree.c (valid_machine_attribute): Don't apply attributes to both
7213 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7215 * reload.c (operands_match_p): Handle rtvecs.
7217 * i386.c (legitimate_pic_address_disp_p): New.
7218 (legitimate_address_p): Use it.
7219 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7220 Handle constant pool symbols just like statics.
7221 (emit_pic_move): Use Pmode not SImode for clarity.
7222 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7223 [UNSPEC]: New, handling what we killed above.
7224 [PLUS]: Detect and abort on invalid symbol arithmetic.
7225 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7227 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7229 * alias.c: Include output.h.
7230 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7231 different if we're in a varargs function.
7232 * Makefile.in (alias.o): Depend on output.h
7234 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7236 * sh.h (GIV_SORT_CRITERION): Delete.
7238 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7240 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7241 * stupid.c (stupid_life_analysis): Ditto.
7242 * reload1.c (reload): Ditto.
7244 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7246 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7247 arith_double_4096_operand, arith_double_add_operand): New
7249 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7250 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7251 them to transform add/sub 4096 into add/sub -4096.
7253 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7255 * loop.c (scan_loop): Allocate some slop to handle pseudos
7256 generated by move_movables.
7257 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7260 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7262 * tree.def (DECL_RESULT): Correct documentation.
7264 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7266 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7267 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7268 conflicts will all RELOAD_FOR_OUTPUT reloads.
7270 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7271 loads the function result, substitute with a USE.
7273 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7275 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7276 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7277 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7278 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7279 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7280 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7282 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7283 'o' to 'm' for GPR variant constraints.
7285 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7287 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7289 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7291 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7292 when the source and destination overlap.
7294 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7295 clash with global type.
7297 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7299 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7301 * c-common.c (combine_strings): Also set TREE_READONLY.
7302 Change warn_write_strings to flag_const_strings.
7303 * c-decl.c, c-tree.h: Likewise.
7305 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7307 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7308 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7309 sequence, use SET/IOR instead so CSE can see it.
7310 * config/sparc/sparc.md (movhi_const64_special,
7311 movsi_const64_special): New patterns necessitated by that change.
7312 (movhi_high): Remove.
7313 (movhi_lo_sum): Change to match an IOR.
7314 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7315 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7316 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7317 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7318 registers are involved.
7319 (snesi_zero_extend split): Remove reload_completed test.
7320 (unnamed plus and minus zero_extend sidi splits): Add it.
7322 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7324 * extend.texi: Remove description of extension to explicit
7325 instantiation that is now endorsed by standard C++.
7327 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7329 * config/arc/arc.c (arc_initialize_pic): Remove.
7330 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7331 nothing on any platform and is invoked by no-one, it does not even
7332 appear in the documentation.
7333 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7334 * config/sparc/sparc.c (initialize_pic): Likewise.
7335 (find_addr_reg): Remove this as well, no longer referenced after
7338 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7340 * recog.c (validate_replace_rtx_group): New function.
7341 * recog.h (validate_replace_rtx_group): Declare it.
7342 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7343 the entire group of substitutions.
7345 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7347 * loop.c (load_mems): Fix initializers.
7349 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7351 * config/sparc/sparc.md (TFmode splits): Handle destination
7352 registers being referenced in the address correctly.
7354 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7355 TREE_UNSIGNED, when bitsize of type's mode is larger than
7356 HOST_BITS_PER_WIDE_INT.
7358 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7360 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7361 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7362 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7364 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7367 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7369 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7370 * h8300.h (TINY_DATA_NAME_P): Likewise.
7371 (STRIP_NAME_ENCODING): Handle '&'.
7373 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7374 register (it could be accessed via an outer SUBREG).
7375 (REG_OK_FOR_BASE_P): Likewwise.
7376 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7378 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7381 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7383 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7385 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7386 must be offsettable so the splits can be made.
7388 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7390 * config/i386/winnt.c: Include system.h, not stdio.h to get
7391 sys/param.h pulled in before rtl.h in case the system defines MIN
7394 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7396 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7398 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7400 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7402 * cpplib.c (cpp_define): Handle macros with parameters.
7404 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7406 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7407 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7408 and DImode 64-bit. Use llong for minimal-toc SFmode and
7409 SYMBOL_REF / LABEL_REF 64-bit.
7410 (output_function_profiler): Use llong for profiler label and ld to
7411 load 64-bit label address.
7413 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7415 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7418 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7420 * version.c: Bump for snapshot.
7422 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7424 * version.c: Bump for snapshot.
7426 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7428 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7430 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7432 * tm.texi (Misc): Fix typo "teh".
7434 * tm.texi (PIC): Fix typo "PPIC".
7436 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7437 effect when -O2 and higher.
7438 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7440 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7442 * regclass.c: Changed register set documentation to be consistent
7445 * final.c (final_start_function) Removed redundant test for
7448 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7450 * rtl.h (rtx_function): New type.
7451 (for_each_rtx): New function.
7452 * rtlanal.c (for_each_rtx): Define it.
7454 * recog.c (change_t): New type.
7455 (change_objects, change_old_codes, change_locs, change_olds):
7457 (changes): New variable.
7458 (validate_change): Dynamically allocate room for more changes, if
7459 necessary. Uses changes array instead of change_objects, etc.
7460 (apply_change_group): Use changes array instead of
7461 change_objects, etc.
7463 * loop.c (loop_mem_info): New type.
7464 (loop_mems): New variable.
7465 (loop_mems_idx): Likewise.
7466 (looop_mems_allocated): Likewise.
7467 (scan_loop): Remove nregs parameter.
7468 (next_insn_in_loop): New function.
7469 (load_mems_and_recount_loop_regs_set): Likewise.
7470 (load_mems): Likewise.
7471 (insert_loop_mem): Likewise.
7472 (replace_loop_mem): Likewise.
7473 (replace_label): Likewise.
7474 (INSN_IN_RANGE_P): New macro.
7475 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7476 (scan_loop): Remove nregs parameter, compute it after any new
7477 registers are created by load_mems. Use INSN_IN_RANGE_P and
7478 next_insn_in_loop rather than expanding them inline. Call
7479 load_mems to load memory into pseudos, if appropriate.
7480 (prescan_loop): Figure out whether or not there are jumps from the
7481 loop to targets other than the label immediately following the
7482 loop. Call insert_loop_mem to notice all the MEMs used in the
7483 loop, if it could be safe to pull MEMs into REGs for the duration
7485 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7487 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7489 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7491 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7493 * config/sparc/sparc.c (finalize_pic): Check for the correct
7494 nonlocal_goto_receiver UNSPEC number.
7495 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7496 making note of this dependency existing in sparc.c
7497 (negtf2_notv9 split): Give NEG SFmode.
7498 (negsf2): Fix insn output string.
7500 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7502 * c-common.c (decl_attributes): Issue an error if the argument
7503 to alias is not a string.
7505 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7507 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7508 pending memory flush list.
7510 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7512 (try_combine): Allow combining insns with REG_LIBCALL notes.
7514 * expr.c (emit_block_move): Do not call memcpy as a libcall
7515 instead build up a CALL_EXPR and call it like any other
7517 (clear_storage): Similarly for memset.
7519 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7522 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7525 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7526 and REG_LIVE_LENGTH as successful substitutions are made.
7528 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7530 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7531 statement after end of loop label.
7533 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7535 * config/sparc/sparc.c (ultra_types_avail): New variable.
7536 (ultra_build_types_avail): New function to record mask of insn
7537 types in ready list at this cycle.
7538 (ultrasparc_sched_reorder): Call it.
7539 (ultra_find_type): Use it to quicken the search. Also simplif
7540 dependency check, don't use rtx_equal_p because we know exactly
7541 what we are looking for.
7543 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7545 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7546 for architecture v4.
7548 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7550 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7552 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7553 movdf_const_intreg and helper splits): New patterns to move float
7554 constants into integer registers.
7555 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7558 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7561 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7563 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7565 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7566 a BASE_REGS register is needed as an intermediate when copying
7567 a symbolic value into any register class other than BASE_REGS.
7569 * expr.c (move_by_pieces): No longer static. Remove prototype.
7570 * rtl.h (move_by_pieces): Add extern prototype.
7571 * mips.c (expand_block_move): Handle aligned straight line copy by
7572 calling move_by_pieces.
7574 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7577 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7579 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7580 jumps out of the loop to be treated as part of the exit test.
7582 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7583 Jeff Law <law@cygnus.com>
7585 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7586 * cplus-dem.c: Delete.
7588 * Makefile.in (fold-const.o): depend on $(RTL_H).
7590 * fold-const.c: Include rtl.h to get the prototype for
7591 `set_identifier_local_value'.
7593 * loop.c (express_from_1): Remove unused variable `tmp'.
7594 (combine_givs): cast the first argument of bzero to char *.
7596 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7598 * c-decl.c (init_decl_processing): Remove unneeded &.
7600 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7602 * except.c (set_exception_lang_code, set_exception_version_code):
7603 Change parameter from `short' to `int' to avoid using a gcc
7606 * except.h (set_exception_lang_code, set_exception_version_code):
7607 Likewise for prototypes.
7609 * flow.c (count_reg_references): Remove unused variables `regno'
7612 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7614 * prefix.c (translate_name): Cast the result of `alloca'.
7616 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7618 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7620 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7622 (valid_dbcc_comparison_p): Mark mode argument as unused.
7623 (symbolic_operand): Likewise.
7624 (legitimize_pic_address): Likewise.
7625 (const_uint32_operand): Likewise.
7626 (const_sint32_operand): Likewise.
7627 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7628 schedule_insns and comment out rest of file.
7630 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7632 (output_move_[hq]imode): Likewise.
7634 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7636 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7637 * invoke.texi: Corresponding changes.
7639 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7641 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7643 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7645 * config/sparc/sparc.c (ultra_code_from_mask,
7646 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7647 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7648 ultrasparc_sched_init, ultrasparc_variable_issue,
7649 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7650 functions to describe UltraSPARC pipeline exactly to Haifa.
7651 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7652 as there is nothing the scheduler can do about it. Indicate that
7653 REG_DEP_OUTPUT's collide. Fixup formatting.
7654 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7655 divide costs on Ultra for DImode.
7656 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7658 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7659 ieuN and add call_no_delay_slot to type list.
7660 (cti function unit): New unit for branches on UltraSPARC.
7661 (subx/addx insns): Set type to misc.
7662 (sidi zero/sign extension insns on arch64): Set type to shift.
7663 (sign_extendhidi2_insn): Set type to sload.
7665 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7667 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7668 (output_epilog): Use if != 0 for offset.
7669 (rs6000_fatal_bad_address): Prepare for Intl.
7670 * rs6000.h (rs6000_fatal_bad_address): Declare.
7671 * rs6000.md (movsfcc, movdfcc): Use else if.
7672 (elf_high): Use {liu|lis}.
7673 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7674 (movsi): Use rs6000_fatal_bad_address.
7676 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7678 * reload.c (find_equiv_reg): Reject equivalences separated
7679 by a volatile instruction.
7681 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7683 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7685 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7687 * alpha.md (movsicc): Fix mode mismatch.
7689 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7691 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7693 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7695 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7697 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7698 write-only modifier from operand 1 constraint.
7700 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7702 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7703 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7705 (sparc_emit_set_const64): Likewise, also when computing trailing
7706 bits do not negate low_bits and make fast_int an int.
7708 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7710 * loop.c (add_label_notes): Do not ignore references to labels
7711 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7712 * gcse.c (add_label_notes): Similarly.
7714 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7716 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7717 (adddi_dishl32): Similarly.
7719 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7721 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7722 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7723 * cse.c (cse_basic_block): Add parens to shut up warnings.
7725 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7727 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7728 sparc_emit_set_const64_longway, const64_is_2insns,
7729 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7730 in 64-bit constant formation.
7731 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7732 rtl for addx not subx.
7733 (define_insn movdi_const64_special): Make available even when
7734 HOST_BITS_PER_WIDE_INT is not 64.
7735 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7736 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7737 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7738 instances of operand 1 inside a QI subreg.
7739 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7740 (one_cmpldi2_sp64): Fix output string.
7741 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7743 (unnamed arch64 ashift DI): Truncate shift count if greater than
7746 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7748 * expr.c (store_expr): Don't optimize away load-store pair
7749 when either source or destination have a side effect.
7751 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7753 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7754 operands of SET are incompatible.
7756 * alpha.md: Fix max and min patterns so modes of SET operands match.
7758 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7760 * configure.in: Avoid [[ by using test and changequote.
7761 * configure: Rebuild.
7763 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7765 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7767 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7768 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7769 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7770 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7771 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7772 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7773 Fix mismatching modes in SET operands.
7774 (conditional move patterns): Fix formatting.
7775 (unnamed subx arch64 pattern): Remove duplicate insn.
7777 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7779 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7780 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7781 (input_operand): Fixup test for what we accept for constant
7783 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7785 (safe_constDI): Remove.
7786 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7787 gen_safe_XOR64): New functions.
7788 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7789 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7791 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7792 available when HOST_BITS_PER_WIDE_INT is not 64.
7793 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7794 move before movdi_insn_sp64 pattern.
7795 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7796 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7797 symbolic_operand as predicate for second operand.
7798 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7799 expander): Give set VOIDmode.
7801 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7803 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7805 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7807 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7809 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7811 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7813 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7815 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7817 * install.texi: Various SCO OpenServer tweaks.
7819 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7821 * reload1.c (eliminate_regs_in_insn): Handle another case when
7822 eliminating the frame pointer to the hard frame pointer. Add
7823 missing ep->to_rtx check to one existing case.
7825 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7827 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7829 * tree.h: De-conditionalize init_priority code.
7831 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7832 * collect2.c (NM_FLAGS): Change from -p to -n.
7834 * configure.in: Turn on collect2 for mipstx39-elf.
7835 Handle use_collect2=no properly.
7837 * c-common.c: De-conditionalize init_priority code.
7838 * collect2.c (extract_init_priority, sort_ids): New fns.
7839 (main): Call sort_ids.
7840 Move sequence_number to file scope.
7842 * configure.in: Handle --enable-init-priority.
7843 * c-common.c (attrs): Add A_INIT_PRIORITY.
7844 (init_attributes, decl_attributes): Likewise.
7845 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7846 * tree.c (get_file_function_name_long): Split out...
7847 (get_file_function_name): ...from here.
7849 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7851 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7854 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7856 * toplev.c (display_help): Add braces to shut up warnings.
7857 * tree.c (simple_cst_equal): Likewise.
7859 * fold-const.c (non_lvalue): Don't deal with null pointer
7861 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7863 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7864 of any size to a pointer.
7866 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7868 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7870 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7872 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7873 which will be saved.
7874 * mn10300.md (prologue insn): Only save registers which need saving.
7875 (epilogue insn): Similarly.
7877 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7880 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7882 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7883 VAR_DECL's in gp addressable sections.
7885 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7887 * sparc.c: Change return <exp> to <exp>; return; in functions
7889 * sparc.md: Add empty semicolon statement after final label in
7892 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7894 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7895 addx_extend_sp64, only allow when TARGET_ARCH64.
7896 (define_insn addx_extend_sp32 and split): Version that works when
7898 (define_insn subx_extend): Likewise.
7899 (define_split adddi3 and subdi3 with zero extension): Fixup and
7900 correct bugs when not TARGET_ARCH64.
7902 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7904 * except.c (set_exception_lang_code, set_exception_version_code):
7905 Use prototype-style definition if __STDC__, to match declaration
7908 * genemit.c: Change FAIL and DONE macros not to use loops.
7910 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7912 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7913 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7915 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7917 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7919 * README.g77: Update from Craig.
7921 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7923 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7925 (safe_constDI sparc_emit_set_const64_quick1,
7926 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7927 analyze_64bit_constant, const64_is_2insns,
7928 create_simple_focus_bits): Fix some bugs when compiled on real
7930 (function_arg_record_value_3, function_arg_record_value_2,
7931 function_arg_record_value): Add fully prototyped forward decls.
7932 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7933 to cmpsi_insn and use on both 64 and 32 bit targets.
7934 (define_insn cmpsi_insn_sp64): Remove.
7935 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7936 (define_insn zero_extendsidi2_insn): Rename to
7937 zero_extendsidi2_insn_sp64.
7938 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7939 assosciated forced split for it.
7941 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7943 * config/sparc/sparc.h: Declare them.
7944 (PREDICATE_CODES): Add them.
7945 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7946 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7948 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7950 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7951 in v9 case as the latter makes the Solaris assembler crash.
7953 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7955 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7956 for TFmode when !v9. We require offsettable memory addresses.
7957 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7958 DFmode register number conversions.
7959 * config/sparc/sparc.md (define_split DFmode moves): If register
7960 is a SUBREG do alter_subreg on it before using.
7961 (define_expand movtf): Fixup comment about alignment on v9.
7962 (define_split TFmode moves): Don't use gen_{high,low}part, create
7963 explicit SUBREGs instead.
7965 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7967 * Makefile.in (mbchar.o): Depend on mbchar.c.
7969 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7970 Richard Henderson <rth@cygnus.com>
7972 Rewrite Sparc backend for better code generation and
7973 improved sparc64 support.
7974 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7976 * config/sparc/sysv4.h: Likewise.
7977 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7978 move_operand, v8plus_regcmp_op, emit_move_sequence,
7979 singlemove_string, doublemove_string, mem_aligned_8,
7980 output_move_double, output_move_quad, output_fp_move_double,
7981 move_quad_direction, output_fp_move_quad, output_scc_insn):
7983 (small_int_or_double): New predicate.
7984 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7985 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7986 old pic_{sethi,lo_sum}_si patterns.
7987 (mem_min_alignment): New generic function to replace
7988 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7989 available and can test for arbitrary alignments. All callers
7991 (save_regs, restore_regs, build_big_number,
7992 output_function_prologue, output_cbranch, output_return,
7993 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7994 sparc_flat_output_function_epilogue): Prettify
7996 (output_function_epilogue): Likewise and add code to output
7997 deferred case vectors.
7998 (output_v9branch): Likewise, add new arg INSN and use it to tack
7999 on branch prediction settings. All callers changed.
8000 (print_operand): Likewise and output %l44 for LO_SUMs when
8002 (sparc_splitdi_legitimate): New function to make sure DImode
8003 splits can be run properly when !arch64.
8004 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8005 Reformat example code in comments.
8006 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8007 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8008 of deferred case vectors we need to output.
8009 (sparc_defer_case_vector): Record a case vector.
8010 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8011 sparc_output_deferred_case_vectors): New functions to output them.
8012 (sparc_emit_set_const32): New function to form 32-bit constants in
8013 registers when that requires more than one instruction.
8014 (safe_constDI, sparc_emit_set_const64_quick1,
8015 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8016 analyze_64bit_constant, const64_is_2insns,
8017 create_simple_focus_bits, sparc_emit_set_const64): New functions
8018 which do the same for 64-bit constants when arch64.
8019 (sparc_emit_set_symbolic_const64): New function to emit address
8020 loading for all code models on v9.
8021 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8022 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8023 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8024 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8025 inaccuracies in comments, add symbolic and text_segment operands
8026 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8027 GENERAL_REGS in these cases as a temp REG is needed to load these
8028 addresses into a register properly.
8029 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8031 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8032 quads are guarenteed to have 16-byte alignment.
8033 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8034 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8035 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8036 deferred case vector implementation.
8037 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8038 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8039 Generate "internal label - label" instead of "label - 1b".
8040 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8041 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8042 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8044 (doublemove_string, output_block_move, output_fp_move_double,
8045 output_fp_move_quad, output_move_double, output_move_quad,
8046 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8047 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8048 (sparc_emit_set_const32, sparc_emit_set_const64,
8049 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8050 mem_min_alignment, small_int_or_double): Add externs.
8051 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8052 UNSPEC_VOLATILE in this backend.
8053 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8054 unary to types which execute in it.
8055 (define_function_unit ieu_shift): Rename to ieu0.
8056 (define_function_unit ieu1): New, executes compare, call, and
8057 uncond_branch type insns.
8058 (define_function_units for type fdivs, fdivd, fsqrt): These
8059 execute in the fpu multiply unit not the adder on UltraSparc.
8060 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8061 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8062 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8063 allows the arith_double_operand predicate and rHI constraint when
8065 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8066 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8067 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8068 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8069 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8070 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8071 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8072 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8073 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8074 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8075 sign_extendqihi2_insn, sign_extendqisi2_insn,
8076 sign_extendqidi2_insn, sign_extendhidi2_insn,
8077 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8078 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8079 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8080 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8081 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8082 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8083 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8084 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8085 smulsi3_highpart_v8plus, unnamed subreg mult,
8086 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8087 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8088 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8089 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8090 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8091 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8092 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8093 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8094 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8095 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8096 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8097 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8098 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8099 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8100 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8101 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8102 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8103 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8104 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8105 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8106 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8107 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8108 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8109 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8110 call_address_untyped_struct_value_sp32,
8111 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8112 call_value_symbolic_sp32, call_value_address_sp64,
8113 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8114 flush_register_windows, goto_handler_and_restore,
8115 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8116 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8117 return_addsi, return_di, return_adddi, return_sf, all call+jump
8118 peepholes, trap, unnamed trap insns): Prettify output strings.
8119 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8120 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8121 Likewise and force + implement splits for integer cases.
8122 (define_insn return_sf_no_fpu): Likewise and allow to match when
8123 no-fpu because of our subreg SFmode splits.
8124 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8125 zero_extendqidi2_insn, zero_extendhidi2_insn,
8126 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8127 input_operand for second operand.
8128 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8129 reg_or_0_operand for operand 2 so new splits can use it.
8130 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8131 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8133 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8134 CONST_DOUBLEs for operand 2.
8135 (define_insn move_label_di): Likewise and label distance
8136 optimization because it no longer works with new deferred case
8137 vector scheme. To be revisited.
8138 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8139 and allow reg_or_0_operand and J constraint for second operand.
8140 (define_insn jump): Set branch predict taken on V9.
8141 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8142 new deferred case vector scheme.
8143 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8144 (define_insn negdi2_sp32): Force + implement splits.
8145 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8146 one_cmplsi2_not_liveg0 respectively, and create expander of original
8147 names which emit special rtl for TARGET_LIVE_G0.
8148 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8149 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8150 gen_compare_reg, FAIL instead.
8151 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8152 values when trying to reverse condition codes, if they FAIL then
8154 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8155 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8156 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8157 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8158 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8159 set output string to # to indicate they are mandatory splits.
8160 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8161 pic_sethi_di, move_pic_label_si): Remove.
8162 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8163 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8165 (define_expand movsi_pic_label_ref, define_insn
8166 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8167 expander and insns to handle PIC label references and deferred
8169 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8171 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8172 Rewrite to not use emit_move_sequence, make use of new constant
8173 formation code, and new splits for all multi-insn cases.
8174 (define_insn movqi_insn): Remove sethi case, it can never happen.
8175 Use reg_or_zero_operand instead of const0_rtx explicit test,
8176 use input_operand instead of move_operand for source, and use
8177 general_operand now for dest.
8178 (define_insn movhi_insn): Similar but leave sethi case.
8179 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8180 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8181 movhi_lo_sum respectively, prettify output string.
8182 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8183 register when needed on TARGET_LIVE_G0.
8184 (define_insn movsi_insn): Use general_operand and input_operand
8185 for dest and src respectively. Simplify applicability test.
8186 Prettify output strings, and add clr alternative for J
8188 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8189 deprecated std and reg-reg DI moves): Remove and...
8190 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8191 implementation which uses forced splits for all non-single insn
8193 (define_split DI move cases on !arch64): New splits to handle all
8194 situations of 64-bit double register DImode on 32bit, and
8195 unaligned registers and memory addresses for all subtargets.
8196 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8198 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8199 input_operand for dest and src respectively, prettify output
8201 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8202 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8204 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8205 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8206 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8207 movtf_no_e_insn_sp64) Replace with new
8208 implementation which uses forced splits for all non-single insn
8210 (define_split DF move cases): New splits in similar vein to DI
8212 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8213 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8214 movdi_sp64_insn): Remove old v9 code model and constant loading
8216 (define_insn pic_lo_sum_di, pic_sethi_di,
8217 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8218 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8219 embmedany_sethi, embmedany_losum, embmedany_brsum,
8220 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8221 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8222 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8223 scheme, using unspecs, secondary reloads, and one to one sparc
8224 insn to rtl insn mapping for better scheduling and code gen.
8225 (define_expand reload_indi, reload_outdi): Reload helpers for
8226 MEDANY and EMBMEDANY symbol address loading cases which require a
8228 (define_expand movsicc): Remove v8plus_regcmp cases.
8229 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8230 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8231 cmp_diqi_trunc_set): New patterns used by some of the new scc
8233 (define_insn xordi3_sp64_dbl): New pattern used for constant
8234 formation when crossing from 32-bit targets.
8235 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8237 (define_insn addx, subx): Make visible and prettify.
8238 (define_insn adddi3_insn_sp32): Likewise and force split.
8239 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8240 64bit scc split usage.
8241 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8242 zero_extend, subdi3): Force and implement splits.
8244 * final.c (final_scan_insn): Don't output labels if target
8245 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8248 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8249 don't forget to walk inside SEQUENCESs too as these are what the
8250 delay slot scheduler will create.
8252 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8254 * alpha.md (extxl+1,+2): New patterns to work around
8257 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8259 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8260 caused bad assembly code to be generated.
8262 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8264 * netbsd.h: Fix typo.
8266 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8268 * config.sub: Fix typo.
8270 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8272 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8274 (Running Protoize): Typo: Change "ther" into "other".
8276 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8278 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8279 * m68k/netbsd.h: Likewise.
8280 * ns32k/netbsd.h: Likewise.
8281 * sparc/netbsd.h: Likewise.
8283 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8285 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8286 * ginclude/va-clipper.h (va_list): Likewise.
8288 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8290 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8291 load/store multiple instructions unless user overrides.
8293 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8295 * ns32k/netbsd.h: Fix typo.
8297 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8299 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8300 labels with .debugsym if no parallel insns.
8302 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8304 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8305 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8307 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8309 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8310 (AR_FOR_TARGET): Define.
8312 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8314 * dyn-string.h: New file.
8315 * dyn-string.c: Likewise.
8316 * Makefile.in (OBJS): Add dyn-string.o.
8317 (dwarf2out.o): Add dyn-string.h dependency.
8318 (dyn-string.o): List dependencies.
8319 * dwarf2out.c: Include dyn-string.h.
8320 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8321 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8322 prototype. Use dyn_string_append rather than strcat, throughout.
8323 (addr_to_string): Use dyn_string_t.
8325 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8327 Function entry/exit profiling instrumentation:
8328 * expr.h (profile_function_entry_libfunc,
8329 profile_function_exit_libfunc): Declare new variables.
8330 * optabs.c: Define them here.
8331 (init_optabs): Initialize them.
8332 * tree.h (struct tree_decl): New flag
8333 no_instrument_function_entry_exit.
8334 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8335 * c-decl.c (duplicate_decls): Merge it.
8336 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8337 (init_attributes): Use it for "no_instrument_function".
8338 (decl_attributes): Handle it, for functions that have not yet been
8339 compiled. Set decl flag.
8340 * flags.h (flag_instrument_function_entry_exit): Declare new
8342 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8343 (f_options): New option "instrument-functions".
8344 * function.h (struct function): New field instrument_entry_exit.
8345 * function.c (current_function_instrument_entry_exit): New
8347 (push_function_context_to, pop_function_context_from): Save and
8349 (expand_function_start): Set current_ variable, maybe emit return
8350 label and entry profile call.
8351 (expand_function_end): Maybe emit exit profile call.
8353 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8355 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8356 NON_QI_REG_P, pretend the register is SImode.
8358 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8360 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8361 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8362 manufacturer id for ns32k.
8363 * configure: Regenerated.
8364 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8365 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8366 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8367 * config/m68k/netbsd.h: Same.
8368 * config/ns32k/netbsd.h: Same.
8369 * config/sparc/netbsd.h: Same.
8371 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8373 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8374 or UNROLL_COMPLETELY loop that starts with a jump to its
8377 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8379 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8380 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8381 (print_operand, case 'B'): Don't fall through.
8382 (print_operand, case 'S'): Correct mask begin/end computation.
8383 Use HOST_BITS_PER_WIDE_INT.
8384 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8385 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8386 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8387 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8389 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8391 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8392 constraint from second alternative.
8394 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8396 * configure.in: Fix --without/--disable cases for local-prefix,
8397 gxx-include-dir and checking.
8399 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8401 * configure.in (enable_haifa): Set by default for sparc64 too.
8404 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8406 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8407 * i386/winnt.c (associated_type): New fn.
8408 (i386_pe_valid_type_attribute_p): New fn.
8409 (i386_pe_check_vtable_importexport): Remove.
8410 (i386_pe_dllexport_p): Use associated_type.
8411 (i386_pe_dllimport_p): Likewise.
8413 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8414 * i386.c (i386_valid_type_attribute_p): Also accept
8415 attributes for METHOD_TYPEs.
8417 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8419 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8421 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8423 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8425 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8426 them from generating a new base name for each occurence of
8429 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8431 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8433 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8437 * cplus-dem.c (type_kind_t): New type.
8438 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8439 on this paramter, rather than demangling the type again.
8440 (demangle_integral_value): Pass tk_integral.
8441 (demangle_template_: Pass the value returned from do_type.
8442 (do_type): Return a type_kind_t. Pass tk_integral to
8443 demangle_template_value_parm for array bounds.
8444 (demangle_fund_type): Likewise.
8446 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8448 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8451 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8453 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8455 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8457 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8459 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8462 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8464 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8465 (DEBUGGER_ARG_OFFSET): Likewise.
8467 * mn10300.md (movsf): Remove last change. Not needed.
8469 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8471 * c-lex.c (yylex): Fix boundary conditions in character literal and
8472 string literal loops.
8474 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8476 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8477 being invoked incorrectly.
8479 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8480 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8482 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8483 * configure.in: Added i[34567]86-*-win32
8484 * config.sub: Ditto.
8485 * configure: Rebuilt.
8487 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8489 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8490 the frame pointer and compiling PIC code and reload has not completed.
8492 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8495 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8497 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8499 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8501 * Makefile.in (install-info): Only try to update the info
8502 directory file if it exists in the first place.
8504 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8506 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8508 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8510 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8511 CONST_DOUBLE source.
8513 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8515 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8516 strings as the insertion of USER_LABEL_PREFIX.
8517 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8519 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8522 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8524 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8525 already defined type.
8527 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8529 * expr.c (check_max_integer_computation_mode): Allow conversions
8530 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8531 (expand_expr): Likewise.
8533 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8535 * expr.c (expand_expr): Expand RETURN_EXPR.
8537 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8539 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8541 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8543 * dwarf2out.c (output_aranges): Call stripattributes
8544 for TEXT_SECTION references.
8545 (output_line_info): Likewise.
8547 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8549 * profile.c (branch_prob): Call allocate_reg_info after outputting
8550 profile rtl in instrument_arcs.
8552 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8554 * fixinc.irix (math.h): Install wrapper instead of copying.
8556 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8558 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8559 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8560 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8561 lang_flag_0. Added documentation in the flag table.
8563 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8565 * cccp.c (do_include): Fix vax c style include handling.
8567 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8569 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8571 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8573 * fold-const.c (non_lvalue): Don't deal with null pointer
8575 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8577 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8579 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8580 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8581 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8582 (u_short_cint_operand): Same.
8583 (reg_or_cint_operand): Same.
8584 (logical_operand): Same.
8585 (input_operand): Same.
8586 (reg_or_short_operand): Use u_short_cint_operand.
8588 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8590 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8591 but keep the insns and splits. Adjust so when the ultimate destination
8592 is memory, use cvtql.
8594 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8596 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8598 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8600 * gcc.c (do_spec): Call "error" not "warning".
8602 * configure.in: Fix minor problems with gas feature detection code.
8603 * configure: Rebuilt.
8605 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8608 * gcc.c: Delete %[spec] support.
8609 (do_spec_1, case '('): Likewise.
8610 (do_spec_1, case '['): Call error.
8612 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8614 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8615 (CPP_SUBTARGET_SPEC): Default to empty string.
8616 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8617 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8618 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8619 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8621 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8622 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8623 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8624 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8625 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8626 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8627 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8628 * alpha/vxworks.h: Likewise.
8630 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8632 * mips.md (reload_outsi): Added missing REGNO call.
8633 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8635 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8636 another match_operator and compare the codes.
8638 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8640 * MIPS multiply pattern fixes:
8641 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8642 Add union classes for HI, LO, or HILO plus general registers.
8643 (GENERATE_MADD): Deleted.
8644 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8645 Add TARGET_MAD to condition.
8646 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8647 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8648 "*d" for accumulator, to give preference to LO initially but not
8651 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8653 * configure.in (enable_c_mbchar): New configure option.
8654 (extra_cpp_objs): Always available now.
8656 * cexp.y (mbchar.h): #include it.
8657 (yylex): Handle Multibyte characters in character literals.
8659 * cccp.c (mbchar.h): #include it.
8660 (main): Set character set based on LANG environment variable.
8661 (rescan): Handle multibyte characters in comments.
8662 (skip_if_group): See above.
8663 (validate_else): See above.
8664 (skip_to_end_of_comment): See above.
8665 (macarg1): See above.
8666 (discard_comments): See above.
8667 (rescan): Handle multibyte characters in string and character literals.
8668 (collect_expansion): See above.
8669 (skip_quoted_string): See above.
8670 (macroexpand): See above.
8671 (macarg1): See above.
8672 (discard_comments): See above.
8673 (change_newlines): See above.
8675 * c-lex.c (mbchar.h): #include it.
8676 (GET_ENVIRONMENT): New macro.
8677 (init_lex): Set character set based on LANG environment variable.
8678 (yylex): Handle multibyte characters in character literals.
8679 (yylex): Handle multibyte characters in string literals.
8681 * Makefile.in (mbchar.o): New target.
8682 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8683 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8685 * mbchar.[ch]: New files for multibyte character handling.
8687 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8689 * jump.c (jump_optimize): When simplifying noop moves and
8690 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8691 the PUSHes to rewrite in second loop as we did in the first.
8693 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8695 * cplus-dem.c (demangle_nested_args): Make function definition
8696 static to match the prototype.
8698 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8700 * alloca.c: Respect USE_C_ALLOCA.
8701 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8702 * gengenrtl.c (xmalloc): Likewise.
8704 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8706 * loop.h (struct induction): Add no_const_addval.
8707 * loop.c (the_movables, reg_address_cost): New variables.
8708 (init_loop): Init reg_address_cost.
8709 (loop_optimize): Call end_alias_analysis.
8710 (scan_loop): Init the_movables.
8711 (record_giv): Init induction->no_const_addval.
8712 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8713 [REG]: Rearrange loop search test to catch more cases.
8714 (general_induction_var): Return success not benefit; take an extra
8715 argument for that. Change all callers.
8716 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8717 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8718 [default]: Search the_movables for additional combinations.
8719 (sge_plus_constant, sge_plus): New functions.
8720 (express_from_1): New function.
8721 (express_from): Always define. Rewrite using express_from_1.
8722 (combine_givs_p): Handle more cases. Ignore address cost.
8723 (cmp_combine_givs_stats): New function.
8724 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8725 (combine_givs): Rewrite to do best-fit combination.
8727 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8728 (fold): Do a complete (A*C)+(B*C) association check.
8730 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8732 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8734 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8736 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8738 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8740 * tree.c (valid_machine_attribute): Only create a new type variant if
8741 there is a decl to use it.
8743 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8745 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8748 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8750 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8753 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8755 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8756 Simplify tests for clearing an address register.
8757 (expand_prologue): Corresponding changes.
8759 * mn10300.md (movXX patterns): Make sure the destination is an
8760 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8761 (logical patterns): Split into expanders + patterns
8762 (zero and sign extension patterns): Similarly.
8763 (shift patterns): Similarly.
8765 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8767 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8768 for the sequence, recording base values.
8770 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8772 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8774 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8776 * gcc.c: Remove ANSI-C ism from --help code.
8778 * toplev.c: Support --help with USE_CPPLIB.
8780 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8782 * configure.in: Rework gas feature code to work with symlink based
8785 * extend.texi: Clarify some issues related to local variables
8786 assigned to explicit registers.
8788 * mn10300.md (mulsi): Turn into expander + pattern.
8790 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8793 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8795 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8797 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8799 * version.c: Bump again to distinguish mainline tree from the
8802 See ChangeLog.0 for earlier changes.
8805 add-log-time-format: current-time-string
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