1 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
3 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
4 (adddi_dishl32): Similarly.
6 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
7 for each insn in the skipped block.
9 * reload1.c (reload_as_needed): Verify that the insn satisfies its
10 constraints after replacing a register address with an autoincrement
11 address for reload inheritance purposes.
13 * i386.md (doubleword shifts): Avoid namespace pollution.
15 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
17 * configure.in (FreeBSD ELF): Needs special crt files.
19 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
21 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
23 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25 * loop.c (check_dbra_loop): While reversing the loop, if the
26 comparison value has a VOID mode use the mode of the other operand
29 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
31 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
32 avoid warnings in compiling explow.c.
34 (patch from Ken Raeburn, raeburn@cygnus.com)
35 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
36 fpmem_offset. Compute total size after that, and then
37 rs6000_fpmem_offset using both values.
39 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
41 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
42 the future; indeed that already happens in some cases.
44 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
46 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
47 (arith_operand): Remove constant_p_rtx handling.
48 (const64_operand, const64_high_operand): Likewise.
49 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
50 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
51 (small_int_or_double, uns_small_int, zero_operand): Likewise.
52 * sparc.h (PREDICATE_CODES): Likewise.
54 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
56 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
58 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
59 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
60 consider constant CONSTRUCTOR constant and to defer some cases
62 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
63 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
65 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
67 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
68 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
70 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
71 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
72 (sext_add_operand, and_operand, or_operand): Likewise.
73 (reg_or_cint_operand, some_operand, input_operand): Likewise.
74 * alpha.h (PREDICATE_CODES): Likewise.
76 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
78 * version.c: Bump for snapshot.
80 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
82 * gengenrtl.c (gencode): Always use bzero to clear memory instead
83 of dangerous casts and stores.
85 * Makefile.in (compare, gnucompare): Add missing else true clauses.
87 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
89 * alpha.md (builtin_longjmp): Add missing "DONE".
91 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
93 * gcc.c (execute): Enable -pipe with win32.
95 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
97 * config/arm/t-arm-elf: Add multiplib option for leading
100 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
101 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
103 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
104 than variable 'reload_address_base_reg_class'. [Note this
105 change is unrelated to the others in this patch].
107 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
110 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
112 * alias.c (record_alias_subset): Remove ignored `&'.
113 (init_alias_once): Likewise.
115 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
117 * config/mips/mips.c (mips_asm_file_end): Cast the result of
118 fwrite to `int' when comparing against one.
120 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
121 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
123 * cse.c (rehash_using_reg): Change type of variable `i' to
126 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
129 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
131 * final.c (final_scan_insn): Likewise for variable `i'.
132 (output_asm_insn): Cast a char to unsigned char when used as an
135 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
138 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
140 * recog.c (preprocess_constraints): Cast a char to unsigned char
141 when used as an array index.
143 * regmove.c (find_matches): Likewise.
145 * reload1.c (calculate_needs): Add default case in switch.
146 (eliminate_regs_in_insn): Initialize variable `offset'.
147 (set_offsets_for_label): Change type of variable `i' to unsigned.
148 (reload_as_needed): Wrap variable `i' in macro check on
149 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
151 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
152 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
153 when comparing against one.
155 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
156 unsigned when comparing against one. Likewise for
157 GET_MODE_ALIGNMENT().
158 (layout_record): Cast record_align to int when comparing against a
160 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
163 * tree.c (get_identifier): Cast variable `len' to unsigned when
164 comparing against one.
165 (maybe_get_identifier): Likewise
167 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
169 * toplev.c (rest_of_compilation): Do not set reload_completed.
170 * reload1.c (reload): Set reload_completed before calling
171 cleanup_subreg_operands.
173 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
175 * reload1.c (emit_reload_insns): Check `set' not null before use.
177 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
179 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
182 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
184 * halfpic.c (half_pic_encode): Delete redundant code.
186 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
188 * toplev.c (main): Delete handling of -dM as a preprocessor
191 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
193 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
194 -dI, which are handled by the preprocessor.
196 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
198 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
199 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
201 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
203 * version.c: Bump for snapshot.
205 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
207 * version.c: Bump for snapshot.
209 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
211 * version.c: Bump for snapshot.
213 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
215 * genattr.c (fatal): Qualify a char* with the `const' keyword.
217 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
218 write_unit_name, write_eligible_delay, expand_units,
219 make_length_attrs, write_attr_case, find_attr,
220 make_internal_attr): Likewise.
221 * gencheck.c (tree_codes): Likewise.
222 * gencodes.c (fatal): Likewise.
223 * genconfig.c (fatal): Likewise.
224 * genemit.c (fatal): Likewise.
225 * genextract.c (fatal, walk_rtx, copystr): Likewise.
226 * genflags.c (fatal): Likewise.
227 * genopinit.c (fatal, optabs, gen_insn): Likewise.
228 * genoutput.c (fatal, error, predicates): Likewise.
229 * genpeep.c (fatal): Likewise.
230 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
231 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
233 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
235 * configure.in (with-fast-fixincludes): Fix whitespace.
236 * configure: Rebuilt.
238 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
239 asm() etc. function declarations in __DECC.
241 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
243 * expr.c (emit_move_insn_1): Only emit a clobber if the target
244 is a pseudo register.
246 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
248 * gcse.c: Include expr.h in order to get the prototype for
249 get_condition() which is used in delete_null_pointer_checks().
251 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
253 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
255 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
257 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
258 (ALL_CFLAGS): Delete SCHED_CFLAGS.
260 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
262 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
265 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
267 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
268 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
269 optimizations from the combiner.
271 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
273 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
275 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
277 * toplev.c (main): Disable optimize_size if a specific
278 optimization level is requested. Always set optimization
279 level to 2 if -Os is specified.
281 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
283 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
285 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
286 initialize it using fname.
288 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
290 * cpplib.c (do_include): Treat #include_next in the
291 primary source file as #include plus warning. Treat
292 #include_next in a file included by absolute path as an
293 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
295 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
297 * cccp.c: Don't define MIN/MAX anymore.
298 * cpplib.c: Likewise.
299 * machmode.h: Likewise.
300 * system.h: Provide definitions for MIN/MAX.
302 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
304 * fix-header.c: Don't define xstrdup here.
306 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
308 * loop.c (consec_sets_giv): New argument last_consec_insn.
309 (strength_reduce): Provide / use it.
311 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
313 * loop.h (loop_info): New field 'vtop'.
314 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
315 scanning loop for vtop.
316 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
317 (loop_iterations): Use them to determine if loop has a constant
318 number of iterations. Set loop_info->vtop. Don't subtract
319 common reg term from initial_value and final_value if have a
322 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
324 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
326 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
328 * mn10200.md (abssf2, negsf2): New expanders.
330 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
332 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
334 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
335 replaced by a CONCAT whoes components do not have the same
336 mode as the original SUBREG, use a new SUBREG to restore the
339 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
340 multiword complex values.
342 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
344 * cppalloc.c: Add xstrdup here.
345 * cpplib.h: Remove savestring prototype.
346 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
348 * cppfiles.c: s/savestring/xstrdup/ throughout.
350 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
352 * cpplib.c: Make all directive handlers read their own
354 (struct directive): Remove last two arguments from FUNC
355 member prototype. Remove `command_reads_line' member
357 (directive_table): Remove initializations of
358 command_reads_line flag. Pretty-print.
359 (eval_if_expression, do_define, do_line, do_include,
360 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
361 do_else, do_elif, do_sccs, do_assert, do_unassert,
362 do_warning): Take only two args.
364 (cpp_define): Call do_define with two args and the text to
365 define stuffed into a buffer.
366 (make_assertion): Call do_assert with two args.
367 (handle_directive): Call do_line with two args. Call
368 kt->func with two args. Remove command_reads_line
370 (do_define, do_undef, do_error, do_warning, do_pragma,
371 do_sccs): Read the rest of the line here.
372 (do_ident): Gobble rest of line, as cccp does.
373 (cpp_undef): New function.
374 (cpp_start_read): Call cpp_undef instead of do_undef.
376 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
378 * cpphash.h (union hash_value): Remove `keydef' member, add a
379 `struct hashnode *aschain' member for #assert.
381 * cpplib.c (struct tokenlist_list, struct
382 assertion_hashnode): Delete structure definitions.
383 (assertion_install, assertion_lookup, delete_assertion,
384 check_assertion, compare_token_lists, reverse_token_list,
385 read_token_list, free_token_list): Delete functions.
386 (parse_assertion): New function.
387 (cpp_cleanup): Don't destroy the assertion_hashtable.
389 (do_assert): Gut and rewrite. #assert foo (bar) places
390 entries for `#foo' and `#foo(bar)' in the macro hash table,
391 type T_ASSERT. The value union's `aschain' member is used
392 to chain all answers for a given predicate together.
393 (do_unassert): Also rewritten. Take an un-asserted
394 answer off the chain from its predicate and call
395 delete_macro on the hashnode, or walk a predicate chain
396 calling delete_macro on all the entries.
397 (cpp_read_check_assertion): Simply call parse_assertion to
398 get the canonical assertion name, and look that up in the
401 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
404 * cpphash.c (install): Use bcopy instead of an explicit loop
405 to copy the macro name.
407 * cppexp.c (cpp_lex): Convert the result of
408 cpp_read_check_assertion to a `struct operation' directly;
409 don't go through parse_number.
411 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
413 * loop.h (struct induction): Delete times_used member.
414 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
415 (n_times_used): Rename to n_times_set. Changed all users.
416 (scan_loop): Free reg_single_usage before strength reduction.
417 (record_giv, combine_givs): Remove handling of times_used member.
418 (combine_givs_used_once): Rename to:
419 (combine_givs_used_by_other) . Changed all callers.
421 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
423 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
424 instead of TREE_CODE_CLASS == 't'.
425 (gen_type_die): Likewise.
426 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
428 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
430 * real.c (endian): Disable last change unless
431 HOST_BITS_PER_WIDE_INT is greater than 32.
433 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
435 * output.h (force_data_section): New prototype.
436 * varasm.c (force_data_section): New function to force the
437 data section, regardless of what in_section thinks.
438 * dwarf2out.c (output_call_frame_info): Call force_data_section
439 since varasm may not realize we've changes sections.
441 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
443 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
444 after completeing reload.
446 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
447 deleted after reload.
449 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
451 * rtl.h (multiple_sets): Fix prototype.
452 * rtlanal.c (multiple_sets): Fix return type.
454 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
456 * version.c: Bump for snapshot.
458 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
460 * version.c: Bump for snapshot.
462 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
464 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
466 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
468 * rtl.h (recompute_reg_usage): Add second argument.
469 * flow.c (recompute_reg_usage): Likewise.
470 * toplev.c (rest_of_compilation): Supply second argument to
473 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
476 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
478 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
479 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
480 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
483 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
485 * rtlanal.c (multiple_sets): New function.
486 * rtl.h (multiple_sets): Declare it.
487 * local-alloc.c (wipe_dead_reg): Use it.
488 * global.c (global_conflicts): Likewise.
490 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
492 * global.c (record_conflicts): Don't use an array of shorts to
493 store an array of ints.
494 (global_conflicts): Likewise.
496 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
498 * alpha.c (alpha_expand_block_move): mode_for_size expects
499 bits, not bytes. Infer extra alignment from addressof.
501 1998-12-11 Michael Meissner <meissner@cygnus.com>
503 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
504 .sbss section, not .sdata.
506 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
508 * cccp.c: Do not #include <sys/stat.h> here; this is already done
510 * collect2.c: Likewise.
511 * cpplib.h: Likewise.
514 * getpwd.c: Likewise.
515 * protoize.c: Likewise.
516 * toplev.c: Likewise.
518 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
519 and don't try to define it here.
520 * Makefile.in (cppmain.o): Depend on machmode.h.
521 (cpplib.o): Likewise.
522 (cpperror.o): Likewise.
523 (cppexp.o): Likewise.
524 (cppfiles.o): Likewise.
525 (cpphash.o): Likewise.
526 (cppalloc.o): Likewise.
527 (fix-header.o): Likewise.
528 (scan-decls.o): Likewise.
530 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
532 * sh.c (print_operand): lookup interrupt_handler attribute instead
533 of relying on static variable.
534 * (calc_live_regs): Likewise.
535 * (sh_pragma_insert_attributes): Create interrupt_handler
536 attribute if a pragma was specified
537 * (sh_valid_machine_decl_attribute): Don't set static flag.
538 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
540 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
542 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
543 to determine if a register is live at a jump destination.
544 Everything is dead at a BARRIER.
546 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
548 * cse.c (simplify_unary_operation): Sign-extend constants when
549 they have the most significant bit set for the target.
550 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
552 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
553 HOST_WIDE_INT temporary before negating it.
554 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
556 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
558 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
561 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
563 * collect2.h: New header file for prototypes.
565 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
567 * collect2.c: Include collect2.h.
570 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
572 * flow.c: Update some comments.
574 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
576 * objc/objc-act.c (cpp_initialized): Removed.
577 (lang_init_options): Initialize cpplib.
578 (lang_decode_option): Move initialization of cpplib to
580 * c-lang.c: (parse_options,parse_in): Added.
581 (lang_init_options): Initialized cpplib here.
582 * c-decl.c (parse_options,cpp_initialized): Removed.
583 (c_decode_option): Move initialization of cpplib to
586 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
588 * reload1.c (reload_combine, reload_combine_note_store):
589 Make STORE_RUID always valid.
590 (reload_combine): Check if BASE is clobbered too early.
592 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
594 * reload.c (find_reloads): Display the insn that cannot be
597 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
599 * cccp.c (create_definition): Fix end of bufer logic.
601 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
603 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
604 pointer parameters changed to use the PARAMS() macro.
606 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
608 * except.h (struct handler_info): Add handler_number field.
609 * except.c (gen_exception_label): EH labels no longer need to be
610 on the permanent obstack.
611 (get_new_handler): Set the label number field.
612 (output_exception_table_entry): Regenerate handler label reference
613 from the label number field.
614 (init_eh): Remove a blank line.
615 * integrate.c (get_label_from_map): Labels no longer need to be
616 on the permanent obstack.
618 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
620 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
621 only when OUTER_CODE is SET.
623 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
625 * loop.c (strength_reduce): If scan_start points to the loop exit
626 test, be wary of subversive use of gotos inside expression statements.
627 Don't set maybe_multiple for a backward jump that does not
628 include the label under consideration into its range.
629 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
631 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
633 * explow.c (plus_constant_wide): Don't immediately return with
634 result of recursive call.
636 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
638 * eh-common.h (struct eh_context): Add table_index for rethrows.
640 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
641 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
642 processed when inlined or unrolled (ie duplicated in some way).
644 * rtl.c (reg_note_name): Add strings for new reg_note enums.
646 * expr.h (rethrow_libfunc): New library decl.
648 * optabs.c (rethrow_libfunc): Initialize.
650 * except.h (struct eh_entry): Add new field 'rethrow_label'.
651 (new_eh_region_entry): No longer exported from except.c.
652 (duplicate_handlers): Renamed to duplicate_eh_handlers and
654 (rethrow_symbol_map, rethrow_used): New exported functions.
655 (eh_region_from_symbol): New exported function.
657 * except.c (create_rethrow_ref): New function to create a single
658 SYMBOL_REF for a rethrow region.
659 (push_eh_entry): Initialize a rethrow ref.
660 (func_eh_entry): Add a rethrow_label field.
661 (new_eh_region_entry): Make static, and initialize the rethrow entry.
662 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
663 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
664 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
665 a region into an appropriate new symbol.
666 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
667 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
668 (end_catch_handler): Emit a barrier for new-exceptions since
669 control can never drop through the end of a catch block.
670 (expand_end_all_catch): new-exceptions never fall through a catch
672 (expand_rethrow): use __rethrow routine for new exceptions.
673 (output_exception_table_entry): Generate rethrow labels, if needed.
674 (output_exception_table): Generate start and end rethrow labels.
675 (init_eh): Create rethrow symbols for beginning and end of table.
676 (scan_region): Don't eliminate EH regions which are the targets of
679 * flow.c (make_edges): Add different edges for rethrow calls,
680 identified by having the REG_EH_RETHROW reg label.
681 (delete_unreachable_blocks): Don't delete regions markers which are
682 the target of a rethrow.
684 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
685 allow save_for_inline_copying to call duplicate_eh_handlers.
686 (save_for_inline_copying): Call duplicate_eh_handlers instead of
687 exposing internal details of exception regions.
688 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
689 (expand_inline_function_eh_labelmap): New callback routine to
690 allow expand_inline_function to call duplicate_eh_handlers.
691 (expand_inline_function): Call duplicate_eh_handlers instead of
692 exposing internal details of exception regions.
693 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
696 * libgcc2.c (find_exception_handler): Generalize to enable it to
697 pick up processing where it left off last time for a rethrow.
698 (__unwinding_cleanup): New function. debug hook which is called before
699 unwinding when __throw finds there is nothing but cleanups left.
700 (throw_helper): Common parts of __throw extracted out for reuse.
701 (__throw): Common parts moved to throw_helper.
702 (__rethrow): New function for performing rethrows.
704 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
706 * reload1.c (current_function_decl): Tweak declaration.
708 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
710 * c-decl.c (flag_isoc9x): Default off.
711 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
712 * cccp.c (print_help, main): Likewise.
713 * gcc.c (default_compilers): Update for -std=gnu*.
715 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
717 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
718 * demangle.h: Deleted.
720 * reload1.c (current_function_decl): Declare.
722 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
724 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
726 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
728 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
730 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
732 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
734 * configure: Rebuilt.
735 * system.h: If the *_unlocked functions are available use them
736 instead of the locked counterparts by defining macros.
737 * config.in: Regenerated.
739 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
741 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
742 wrong and should only be used for dump related things, not
743 debugging information, instead main_input_filename should be used.
744 Also, reuse output_file_directive if possible.
745 * i386/aix386ng.h (ASM_FILE_START): Likewise.
746 * i386/isc.h (ASM_FILE_START): Likewise.
747 * i386/win-nt.h (ASM_FILE_START): Likewise.
748 * i386/sun386.h (ASM_FILE_START): Likewise.
750 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
752 * configure.in (mips*-*-linux*): Handle big and little endian
754 * configure: Rebuilt.
756 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
758 * emit-rtl.c: Fix typo.
760 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
762 * reload1.c (eliminate_regs): Don't do anything, if we're not
765 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
767 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
769 * mips/mips.c (mips_select_section): Add comment.
771 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
773 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
774 characters in file names in #line to be consistent with #include
775 handling. We support escape prcessing in the # 1 "..." version of
776 the command. See also support in cp/lex.c.
777 (handle_directive): Likewise.
780 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
782 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
783 so it'll work on non-ASCII platforms. Always consider $ an
784 identifier character. Take no arguments.
785 (cpp_reader_init): Call initialize_char_syntax with no
787 (cpp_start_read): Don't call initialize_char_syntax again.
788 Clear is_idchar['$'] and is_idstart['$'] if not
789 opts->dollars_in_ident.
791 * cpplib.h (struct cpp_reader): Replace void *data element by
792 cpp_options *opts. Rearrange elements to make gdb printout
793 less annoying (put buffer stack at end).
794 (CPP_OPTIONS): Get rid of now-unnecessary cast.
796 * cppmain.c: s/data/opts/ when initializing cpp_reader
798 * c-decl.c: Likewise.
799 * objc/objc-act.c: Likewise.
800 * fix-header.c: Likewise.
802 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
804 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
805 with a struct file_name_list pointer.
806 (struct cpp_reader): Add pointer to chain of `actual
807 directory' include searchpath entries.
808 (struct file_name_list): Add *alloc pointer for the sake of
809 the actual-directory chain.
811 Move definition of HOST_WIDE_INT here.
812 (cpp_parse_escape): Change prototype to match changes in
815 * cppfiles.c (actual_directory): New function.
816 (finclude): Use it to initialize the buffer's actual_dir
818 (find_include_file): We don't need to fix up max_include_len
821 * cpplib.c (do_include): Don't allocate a file_name_list on
822 the fly for current directory "" includes, use the one that's
823 been preallocated in pfile->buffer->actual_dir. Hoist out
824 duplicate code from the search_start selection logic.
825 (cpp_reader_init): Initialize pfile->actual_dirs.
827 Remove definition of HOST_WIDE_INT. Change calls
828 to cpp_parse_escape to match changes in cppexp.c (note
829 hardcoded MASK, which is safe since this is the source
832 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
833 to handle wide character constants in #if directives. The
834 function now returns a HOST_WIDE_INT, and takes a third
835 argument which is a binary mask for all legal values (0x00ff
836 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
837 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
838 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
840 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
842 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
844 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
846 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
847 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
848 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
850 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
852 * final.c (output_asm_name): Use tabs to seperate comments from
855 Include instruction lengths (if defined) in output.
857 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
859 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
860 in the loop_info structure.
862 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
864 * configure.in: (arm*-*-ecos-elf): New target.
865 * configure: Regenerated.
866 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
867 * config/arm/ecos-elf.h: New file.
868 * config/arm/unknown-elf.h (TARGET_VERSION): Check
871 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
873 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
875 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
877 * version.c: Bump for snapshot.
879 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
881 * loop.c (check_dbra_loop): New argument loop_info. Update fields
884 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
886 * version.c: Bump for snapshot.
888 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
890 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
891 compressed reports are ok and preferred over URLs
893 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
895 * invoke.texi (Warning Options): Soften the tone of -pedantic
897 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
899 * print-rtl.c (print_rtx): Add prototype.
901 * unroll.c (iteration_info): Make it static.
903 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
905 * alias.c (memrefs_conflict_p): A second ANDed address
906 disables the aligned address optimization.
908 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
910 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
913 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
915 * i960.h (BOOL_TYPE_SIZE): Define.
917 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
919 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
920 from old valid_parallel_operands_4.
921 (valid_parallel_operands_4): Check that operands for 4 operand
922 parallel insns are valid, excluding load/store insns.
923 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
924 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
925 valid_parallel_load_store instead of valid_parallel_operands_4.
926 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
927 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
928 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
929 *notqi_movqi_clobber): Use valid_parallel_operands_4.
930 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
931 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
932 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
934 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
936 * config/c4x/c4x.c (iteration_info): Delete extern.
938 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
940 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
942 * final.c (cleanup_subreg_operands): Delete some unused code.
944 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
945 (struct insn_alternative): New structure definition.
946 (recog_op_alt): Declare variable.
947 (preprocess_constraints): Declare function.
948 * recog.c (recog_op_alt): New variable.
949 (extract_insn): Verify number of alternatives is in range.
950 (preprocess_constraints): New function.
951 * reg-stack.c: Include recog.h.
952 (constrain_asm_operands): Delete.
953 (get_asm_operand_lengths): Delete.
954 (get_asm_operand_n_inputs): New function.
955 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
956 N_OUTPUTS args. All callers changed.
957 Compute number of inputs and outputs here by calling
958 get_asm_operand_n_inputs.
959 Instead of constrain_asm_operands, call extract_insn,
960 constrain_operands and preprocess_constaints. Use information
961 computed by these functions throughout.
962 (record_reg_life): Delete code that is unused due to changes in
964 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
965 N_INPUTS and N_OUTPUTS args. All callers changed.
966 Similar changes as in record_asm_reg_life.
967 (subst_stack_regs): Move n_operands declaration into the if statement
969 Delete code that is unused due to changes in subst_asm_stack_regs.
970 * stmt.c (expand_asm_operands): Verify number of alternatives is in
972 * Makefile.in (reg-stack.o): Depend on recog.h.
974 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
976 * except.c (set_exception_version_code): Argument is an "int".
978 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
980 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
981 * configure: Rebuilt.
983 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
985 * configure.in (mipsel-*-linux*): New target.
986 * mips/linux.h: New file, based on other Linux targets.
988 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
990 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
991 runs in the context of the deleter, not the deletee, so we must
992 use taskVarGet to find the correct memory to free.
993 (__gthread_key_create): Initialize the task
994 variable subsystem so that the task variable is still active when
995 the delete hook is run.
997 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
999 * pdp11.h: Use optimize_size for space optimizations.
1000 * pdp11.c: Likewise.
1001 * pdp11.md: Likewise.
1003 * pdp11.h (TARGET_40_PLUS): Fix typo.
1005 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1007 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1010 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1012 * alias.c (addr_side_effect_eval): New function.
1013 (memrefs_conflict_p): Use it.
1014 * rtl.h (addr_side_effect_eval): Prototype it.
1016 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1018 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1020 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1022 * reload.c (find_reloads): When force const to memory, put result
1023 in substed_operand not *recog_operand_loc.
1025 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1027 * c-lex.c: Fix indentation from last patch.
1028 Remove trailing whitespace.
1031 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1033 * flow.c (delete_block): Call set_last_insn after we have reset
1034 NEXT_INSN (kept_tail).
1036 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1038 * mips.md (trap_if): Use "$0" for the value zero.
1040 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1041 Stephen L Moshier <moshier@world.std.com>
1042 Richard Henderson <rth@cygnus.com>
1044 * c-common.c (declare_function_name): Declare predefinied variable
1047 * c-decl.c (flag_isoc9x): Set to 1 by default.
1048 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1049 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1051 * c-parse.in: Allow constructors in ISO C 9x.
1052 Rewrite designator list handling.
1053 Allow [*] parameters.
1054 Don't warn about comma at end of enum definition for ISO C 9x.
1056 * cccp.c (c9x): New variable.
1057 (rest_extension): New variable.
1058 (print_help): Document new -std= option.
1059 (main): Recognize -std= option. Set c9x appropriately.
1060 (create_definition): Recognize ISO C 9x vararg macros.
1062 * gcc.c (default_compilers): Adjust specs for -std options.
1063 (option_map): Add --std.
1064 (display_help): Document -std.
1066 * toplev.c (documented_lang_options): Add -std and remove
1069 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1070 or REAL_VALUE_HTOF based on base of the constants.
1071 * fold-const.c (real_hex_to_f): New function. Replacement function
1072 for hex FP conversion if REAL_ARITHMETIC is not defined.
1073 * real.c (asctoeg): Add handling of hex FP constants.
1074 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1077 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1079 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1080 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1081 expansion. Use hi/lo as destination register.
1083 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1084 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1085 Avoid as macro expansion. Use hi/lo as destination register.
1087 * mips.h (MASK_CHECK_RANGE_DIV): New.
1088 (MASK_NO_CHECK_ZERO_DIV): New.
1089 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1090 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1091 return address for leaf functions out of r31 to support
1092 builtin_return_address.
1094 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1096 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1097 NEXT_INSN(x) to check insn x.
1099 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1101 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1102 last insn in the rtl chain.
1104 * reload1.c (reload): Do not set reload_completed or split insns
1106 * toplev.c (rest_of_compilation): Set reload_completed after
1107 reload returns. Split insns after reload_cse has run.
1109 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1111 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1113 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1115 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1117 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1119 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1120 use of user-label_prefix.
1122 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1124 * reload1.c (emit_reload_insns): Clear spill_reg_store
1125 when doing a new non-inherited reload from the same pseudo.
1127 * local-alloc.c (function_invariant_p): New function.
1128 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1129 to decide if an equivalence should be recorded.
1130 * reload1.c (num_eliminable_invariants): New static variable.
1131 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1132 to decide if an equivalence should be recorded.
1134 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1135 Take num_eliminable_invariants into account when deciding
1136 if register elimination should be done.
1137 (reload_as_needed): Take num_eliminable_invariants into account
1138 when deciding if register elimination should be done.
1139 (eliminate_regs): Handle non-constant reg_equiv_constant.
1140 * rtl.h (function_invariant_p): Declare.
1142 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1144 * version.c: Bump for snapshot.
1146 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1148 * version.c: Bump for snapshot.
1150 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1152 * except.c (add_new_handler): Complain about additional handlers
1153 after one that catches everything.
1155 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1157 * configure.in (alpha*-*-netbsd): Fix typo.
1158 * configure: Rebuilt.
1160 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1162 * system.h: Include libiberty.h.
1164 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1165 function `concat' from fixed parameters to variable parameters,
1166 as is done in libiberty. All callers of concat/concat3
1167 changed to use the new `concat' with variable args.
1169 * cccp.c: Remove things made redundant by libiberty.h and/or
1170 conform to libiberty standards.
1172 * collect2.c: Likewise.
1173 * config/1750a/1750a.h: Likewise.
1174 * cppalloc.c: Likewise.
1175 * cppexp.c: Likewise.
1176 * cppfiles.c: Likewise.
1177 * cpphash.c: Likewise.
1178 * cpplib.c: Likewise.
1179 * dyn-string.c: Likewise.
1180 * fix-header.c: Likewise.
1183 * genattr.c: Likewise.
1184 * genattrtab.c: Likewise.
1185 * gencheck.c: Likewise.
1186 * gencodes.c: Likewise.
1187 * genconfig.c: Likewise.
1188 * genemit.c: Likewise.
1189 * genextract.c: Likewise.
1190 * genflags.c: Likewise.
1191 * gengenrtl.c: Likewise.
1192 * genopinit.c: Likewise.
1193 * genoutput.c: Likewise.
1194 * genpeep.c: Likewise.
1195 * genrecog.c: Likewise.
1196 * getpwd.c: Likewise.
1197 * halfpic.c: Likewise.
1199 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1200 in NEED_DECLARATION_* macros.
1202 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1203 conform to libiberty standards.
1204 (fatal): Fix const-ification of variable `format' in
1205 !ANSI_PROTOTYPES case.
1207 * prefix.c: Remove things made redundant by libiberty.h and/or
1208 conform to libiberty standards.
1210 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1211 conflicting with function `spaces' from libiberty.
1213 * profile.c: Remove things made redundant by libiberty.h and/or
1214 conform to libiberty standards.
1215 * protoize.c: Likewise.
1218 * tlink.c: Likewise.
1219 * toplev.c: Likewise.
1220 * toplev.h: Likewise.
1223 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1225 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1227 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1229 * README.C4X: Updated URLs.
1230 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1231 (valid_parallel_operands_5): Remove unused variable.
1233 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1235 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1237 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1239 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1240 which can be configured.
1241 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1242 (Makefile): Pass actual LANGUAGES through the environment when
1244 (cstamp-h): Likewise.
1245 (config.status): Likewise.
1247 * configure.in (enable_languages): Add new configuration parameter
1248 "--enable-languages=lang1,lang2,...".
1249 (${srcdir}/*/config-lang.in): Change handling to configure only
1250 those directories, that the user might have enabled; default to
1251 "all" existing languages.
1252 * configure: Regenerate.
1254 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1256 * rtlanal.c (regs_set_between_p): New function.
1257 * rtl.h (regs_set_between_p): Prototype it.
1258 * jump.c (jump_optimize): Use it instead of modified_between_p
1259 in the Sep 2 change.
1261 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1262 Matthias Pfaller <leo@dachau.marco.de>
1264 * invoke.texi (Option Summary, NS32K Options): add description
1265 of NS32K specific options.
1267 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1268 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1269 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1270 negdf2, absdf2): Use l instead of f since the double class and
1271 float class are no longer the same.
1272 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1273 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1274 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1275 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1277 (cmpsi, cmphi, cmpqi): use general_operand instead of
1278 non_immediate_operand. Removes erroneous assumption that can't
1280 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1281 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1283 (movstrsi, movstrsi1, movstrsi2): completely new block move
1285 (...): Patterns to exploit multiply-add instructions.
1286 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1287 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1288 patterns to exploit extended divide insns.
1289 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1292 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1293 float return values as well as simple scalar floats.
1294 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1295 support new flag to denote 32381 fpu.
1296 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1297 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1299 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1300 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1301 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1302 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1303 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1304 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1305 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1306 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1307 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1308 fpu registers and special register classes for new 32381
1309 instructions dotf and polyf.
1310 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1312 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1313 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1315 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1316 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1317 (REGISTER_MOVE_COST): move code to register_move_cost function for
1318 ease of coding and debugging.
1319 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1320 LONG_FLOAT_REGO is likely spilled but not caught by default
1322 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1323 instead of hard coded numbers in range check.
1324 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1325 (...): Add prototypes for functions in ns32k.c but disable because
1326 of problems when ns32k.h is included in machine independant files.
1328 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1329 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1330 hard_regno_mode_ok, secondary_reload_class,
1331 print_operand, print_operand_address): new register scheme to
1332 include 32381 fpu registers and special register classes for new
1333 32381 instructions dotf and polyf.
1334 (gen_indexed_expr): Make static to keep namespace clean.
1335 (check_reg): remove since never called.
1336 (move_tail, expand_block_move): helper functions for "movstrsi"
1338 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1339 Increase cost of moves which go via memory.
1340 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1341 (CPP_PREDEFINES): nolonger predefine "unix".
1343 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1344 Remove erroneous %$. print_operand() can work out from the rtx is
1345 an immediate prefix is required.
1347 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1348 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1349 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1351 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1354 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1355 Correct handling of pic operands.
1356 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1357 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1358 -mrtd calling convention.
1360 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1362 * gcc.c (option_map): Recognize --output-class-directory.
1364 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1366 * loop.h (precondition_loop_p): Added new mode argument.
1367 * unroll.c (precondition_loop_p): Likewise.
1368 (approx_final_value): Function deleted and subsumed
1369 into loop_iterations.
1370 (loop_find_equiv_value): New function.
1371 (loop_iterations): Use loop_find_equiv_value to find increments
1372 too large to be immediate constants. Also use it to find terms
1373 common to initial and final iteration values that can be removed.
1375 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1377 * loop.h (struct loop_info): Define new structure.
1378 (precondition_loop_p): Added prototype.
1379 (unroll_loop): Added new argument loop_info to prototype.
1380 (final_biv_value, final_giv_value): Added new argument n_iterations
1382 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1383 and new pointer loop_info.
1384 (loop_n_iterations): Replace global variable by element in
1385 loop_info structure.
1386 (check_final_value): New argument n_iterations.
1387 (insert_bct): New argument loop_info.
1388 (loop_unroll_factor): Replace global array by element in
1389 loop_info structure.
1390 (loop_optimize): Remove code to allocate and initialise
1391 loop_unroll_factor_array.
1392 * unroll.c (precondition_loop_p): No longer static since
1393 used by branch on count optimization.
1394 (precondition_loop_p, unroll_loop): New argument loop_info.
1395 (final_biv_value, final_giv_value, find_splittable_regs): New
1396 argument n_iterations.
1397 (loop_iteration_var, loop_initial_value, loop_increment,
1398 loop_final_value, loop_comparison_code, loop_unroll_factor):
1399 Replaced global variables by loop_info structure.
1400 (loop_unroll_factor): Replace global array by element in
1401 loop_info structure.
1403 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1405 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1408 * unroll.c (precondition_loop_p): Return loop_initial_value
1409 for initial_value instead of loop_iteration_var.
1411 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1413 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1414 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1415 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1416 to output the instruction sequences.
1418 (rptb_top): Provide alternatives to use any register or memory
1420 (rptb_end): Emit use of operands rather than assigning them
1421 explicitly to the RS and RE registers.
1423 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1425 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1426 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1427 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1428 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1429 c4x_merge_notes, c4x_parallel_process,
1430 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1431 c4x_combine_parallel): Delete.
1433 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1435 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1436 with old target options clear flag_branch_on_count_reg if
1437 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1439 (c4x_output_cbranch): Handle a sequence of insns rather than a
1441 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1442 has not been allocated as the loop counter.
1443 (c4x_address_conflict): Do not allow two volatile memory references.
1444 (valid_parallel_operands_4, valid_parallel_operands_5,
1445 valid_parallel_operands_6): Reject pattern if the register destination
1446 of the first set is used as part of an address in the second set.
1448 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1450 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1451 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1452 is no longer enabled if PARALLEL_MPY_FLAG set.
1453 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1454 (REG_CLASS_CONTENTS): Add braces around initializers.
1455 (HAVE_MULTIPLE_PACK): Define.
1456 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1457 REAL_VALUE_TO_DECIMAL.
1458 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1459 REAL_VALUE_TO_DECIMAL.
1460 (ar0_reg_operand): Add prototype.
1461 (ar0_mem_operand): Likewise.
1462 (ar1_reg_operand): Likewise.
1463 (ar1_mem_operand): Likewise.
1464 (ar2_reg_operand): Likewise.
1465 (ar2_mem_operand): Likewise.
1466 (ar3_reg_operand): Likewise.
1467 (ar3_mem_operand): Likewise.
1468 (ar4_reg_operand): Likewise.
1469 (ar4_mem_operand): Likewise.
1470 (ar5_reg_operand): Likewise.
1471 (ar5_mem_operand): Likewise.
1472 (ar6_reg_operand): Likewise.
1473 (ar6_mem_operand): Likewise.
1474 (ar7_reg_operand): Likewise.
1475 (ar7_mem_operand): Likewise.
1476 (ir0_reg_operand): Likewise.
1477 (ir0_mem_operand): Likewise.
1478 (ir1_reg_operand): Likewise.
1479 (ir1_mem_operand): Likewise.
1480 (group1_reg_operand): Likewise.
1481 (group1_mem_operand): Likewise.
1482 (ir1_reg_operand): Likewise.
1483 (arx_reg_operand): Likewise.
1484 (not_rc_reg): Likewise.
1485 (not_modify_reg): Likewise.
1486 (c4x_group1_reg_operand): Remove prototype.
1487 (c4x_group1_mem_operand): Likewise.
1488 (c4x_arx_reg_operand): Likewise.
1490 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1492 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1493 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1495 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1497 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1500 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1502 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1503 unless FMOVD_WORKS is defined.
1505 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1507 * regclass.c (init_reg_sets): Move code that calculates tables
1508 dependent on reg_class_contents from here...
1509 (init_reg_sets_1): To here.
1511 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1513 * cpplib.h: Delete struct import_file. Add ihash element to
1514 struct cpp_buffer. Delete dont_repeat_files and
1515 import_hash_table elements from cpp_reader; change
1516 all_include_files to a hash table. Delete all foobar_include
1517 / last_foobar_include elements from struct cpp_options; put
1518 back four such: quote_include, bracket_include,
1519 system_include, after_include. Redo struct file_name_list
1520 completely. Add new structure type include_hash. Add
1521 prototypes for merge_include_chains and include_hash. Change
1522 prototypes for finclude, find_include_file, and
1523 append_include_chain to match changes below.
1525 * cppfiles.c (simplify_pathname, include_hash,
1526 remap_filename, merge_include_chains): New functions.
1527 (add_import, lookup_import, open_include_file): Removed.
1528 (INO_T_EQ): Define this (copied from cccp.c).
1529 (hack_vms_include_specification): Remove all calls and #if 0
1530 out the definition. It was being called incorrectly and at
1531 the wrong times. Until a VMSie can look at this, it's better
1532 to not pretend to support it.
1533 (append_include_chain): Change calling convention; now takes
1534 only one directory at a time, and sets up the data structure
1536 (redundant_include_p): Rewritten - this is now used for all
1537 include redundancy, whether by #ifndef, #import, or #pragma
1538 once. Looks up things in the include hash table.
1539 (file_cleanup): Decrement pfile->system_include_depth here if
1541 (find_include_file): Calling convention changed; now passes
1542 around a struct include_hash instead of 3 separate parameters.
1543 Guts ripped out and replaced with new include_hash mechanism.
1544 (finclude): Calling convention changed as for
1545 find_include_file. Error exits pulled out-of-line. Reformat.
1546 (safe_read): Return a long, not an int.
1547 (deps_output): Don't recurse.
1549 * cpplib.c (is_system_include): Deleted.
1550 (path_include): Fix up call to append_include_chain.
1551 (do_include): Fix up calls to find_include_file and finclude.
1552 Clean up dependency output a bit. Shorten obnoxiously lengthy
1553 #import warning message. Don't decrement
1554 pfile->system_include_depth here.
1555 (do_pragma): Understand the include_hash structure. Reformat.
1556 (do_endif): Correct handling of control macros. Understand
1558 (cpp_start_read): Fix up calls to finclude. Call
1559 merge_include_chains.
1560 (cpp_handle_option): Fix up calls to append_include_chain.
1561 Understand the four partial include chains.
1562 (cpp_finish): Add debugging code (#if 0-ed out) for the
1564 (cpp_cleanup): Free the include_hash, not the import hash and
1565 the all_include and dont_repeat lists which no longer exist.
1567 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1569 * toplev.c (no_new_pseudos): Define.
1570 (rest_of_compilation): Set no_new_pseudos as needed.
1571 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1572 if no_new_pseudos is set.
1573 * rtl.h (no_new_pseudos): Declare it.
1574 * reload1.c (reload): Update comments.
1575 * md.texi: Corresponding changes.
1577 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1579 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1580 (choose_reload_regs): Rename it here as well. When computing it,
1581 also merge in used hardregs.
1583 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1585 * gcc.c: Split out Objective-C specs to...
1586 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1589 * c-lex.c (init_parse): Always initialize the filename global.
1590 * objc/objc-act.c (lang_init): Always call check_newline at
1593 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1595 * reload1.c (reload): Remove unused variable.
1596 (reload_reg_free_for_value_p): Add missing parameter definition.
1598 * jump.c (jump_optimize): Remove unused variable.
1600 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1602 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1604 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1606 * expr.c (move_by_pieces): Similarly.
1607 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1608 * flow.c (find_auto_inc): Similarly.
1609 (try_pre_increment): Similarly.
1610 * loop.c (strength_reduce): Similarly.
1611 * regclass.c (auto_inc_dec_reg_p): Similarly.
1612 * regmove.c (try_auto_increment): Similarly.
1613 (fixup_match_1): Similarly.
1614 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1615 (HAVE_PRE_DECREMENT): Similarly.
1616 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1617 * Corresponding changes to all target header files.
1618 * tm.texi: Update docs for autoinc addressing modes.
1620 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1622 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1623 * configure: Rebuild.
1624 * config/elfos.h: New file.
1625 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1626 config/m68k/t-m68kelf: New file.
1628 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1630 * Makefile.in (HOST_AR): Define.
1631 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1632 (libcpp.a): Use the host tools explicitly.
1633 (STAGESTUFF): Add libcpp.a.
1635 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1637 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1638 to source and destination registers.
1640 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1642 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1643 The strategy we now use is to pre allocate the top_elt along
1644 with the EH context so that each thread has its own top_elt.
1645 This is necessary as the dynmanic cleanup chain is used on the
1646 top element of the stack and each thread MUST have its own.
1647 (eh_context_static): Likewise.
1648 (new_eh_context): Likewise.
1649 (__sjthrow): Likewise.
1651 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1653 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1654 * i386.md (prologue_get_pc): Remove unused variable.
1656 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1658 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1660 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1662 * Makefile.in (OBJS): Add graph.o
1663 (graph.o): New dependency list.
1664 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1665 * print-rtl.c (dump_for_graph): Define new variable.
1666 (print_rtx): Rewrite to allow use in graph dumping functions.
1667 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1668 finish_graph_dump_file.
1669 Define graph_dump_format.
1670 (compile_file): If graph dumping is enabled also clear these files.
1671 Finish graph dump files.
1672 (rest_of_compilation): Also dump graph information if enabled.
1673 (main): Recognize -dv to enabled VCG based graph dumping.
1674 * graph.c: New file. Graph dumping functions.
1676 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1678 * configure.in: Look for <sys/stat.h>.
1679 * system.h: Include it before substitute S_ISREG definitions.
1681 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1683 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1684 * config/mips/iris6.h: Same.
1685 * config/mips/mips.md: Same.
1686 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1687 * config/mips/mips.h: Same; also define ABI_O64.
1689 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1691 * configure.in: Use AC_PREREQ(2.12.1).
1693 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1695 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1696 * cpplib.c, gcc.c: Likewise.
1697 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1699 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1701 * local-alloc.c (local_alloc): Use malloc not alloca for
1702 reg_qty, reg_offset, ref_next_in_qty.
1704 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1706 * caller-save.c (insert_one_insn): Initialize the live_before and
1707 live_after register sets.
1711 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1712 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1713 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1714 (fp_reg_names, assembler_dialect): New variables.
1715 (print_operand_address): Handle SUBREGs.
1716 (print_operand): Added 'o' case.
1717 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1718 Name of FP registers depends on mode.
1719 (expand_block_move): Emit different code for SH4 hardware.
1720 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1721 (from_compare): Likewise.
1722 (add_constant): New argument last_value. Changed all callers.
1723 (find_barrier): Don't try HImode load for FPUL_REG.
1724 (machine_dependent_reorg): Likewise.
1725 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1726 (gen_far_branch): Emit a barrier after the new jump.
1727 (barrier_align): Don't trust instruction lengths before
1729 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1730 Use auto-inc addressing for fp registers if doubles need to
1731 be loaded in two steps.
1732 Set sh_flag_remove_dead_before_cse.
1733 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1734 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1735 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1736 Support for FIRST_XD_REG .. LAST_XD_REG.
1737 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1738 (sh_expand_epilogue): Likewise.
1739 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1740 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1741 (arith_reg_operand): FPUL_REG is OK for SH4.
1742 (fp_arith_reg_operand, fp_extended_operand) New functions.
1743 (tertiary_reload_operand, fpscr_operand): Likewise.
1744 (commutative_float_operator, noncommutative_float_operator): Likewise.
1745 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1746 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1747 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1748 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1749 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1750 (CONDITIONAL_REGISTER_USAGE): Likewise.
1751 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1752 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1753 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1754 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1755 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1756 to -1 and sh_flag_remove_dead_before_cse to 1.
1757 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1758 (assembler_dialect, fp_reg_names): Declare.
1759 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1760 Hide names of registers that are not accessible.
1761 (CACHE_LOG): Take TARGET_CACHE32 into account.
1762 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1763 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1764 (FIRST_PSEUDO_REGISTER: Now 49.
1765 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1766 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1767 (HARD_REGNO_MODE_OK): Update.
1768 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1769 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1770 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1771 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1772 (NPARM_REGS): Eight floating point parameter registers on SH4.
1773 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1774 in floating point registers.
1775 (GET_SH_ARG_CLASS) Likewise.
1776 Complex float types are also returned in float registers.
1777 (BASE_ARG_REG): Complex float types are also passes in float registers.
1778 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1779 (LIBCALL_VALUE): Remove trailing semicolon.
1780 (ROUND_REG): Round when double precision value is passed in floating
1782 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1783 passed on the stack.
1784 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1785 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1786 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1787 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1788 (MODE_DISP_OK_8): Not for SH4 DFmode.
1789 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1790 Allow indexed addressing for PSImode after reload.
1791 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1792 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1793 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1794 (DOUBLE_TYPE_SIZE): 64 for SH4.
1795 (RTX_COSTS): Add PLUS case.
1796 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1797 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1798 MAC_REGS, PR_REGS, DF_REGS.
1799 (REGISTER_NAMES): Use fp_reg_names.
1800 (enum processor_type): Add PROCESSOR_SH4.
1801 (sh_flag_remove_dead_before_cse): Declare.
1802 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1803 (PREDICATE_CODES): Add binary_float_operator,
1804 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1805 fpscr_operand, noncommutative_float_operator.
1806 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1807 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1808 * sh.md (attribute cpu): Add value sh4.
1809 (attrbutes fmovd, issues): Define.
1810 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1811 (function units memory, int, mpy, fp): Make dependent on issue rate.
1812 (function units issue, single_issue, load_si, load): Define.
1813 (function units load_store, fdiv, gp_fpul): Define.
1814 (attribute hit_stack): Provide proper default.
1815 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1816 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1817 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1818 (mulsi3_call): Now uses match_operand for function address.
1819 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1821 (push, pop, push_e, pop_e): Now define_expands.
1822 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1823 (movsi_ie): Added y/i alternative.
1824 (ic_invalidate_line_i, movdf_i4): New insns.
1825 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1826 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1827 (movdf): Add special code for SH4.
1828 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1829 (call_valuei, calli, call_value): Likewise.
1830 (movsf): Emit no-op move.
1831 (mov_nop, movsi_y): New insns.
1832 (blt, sge): generalize to handle DFmode.
1833 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1834 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1835 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1836 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1837 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1838 (toggle_sz): New insn.
1839 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1840 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1841 (macsf3): Make use of fpscr visible. Disable for SH4.
1842 (floatsisf2): Make use of fpscr visible.
1843 (floatsisf2_i4): New insn.
1844 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1845 (ieee_ccmpeqsf_t): Likewise.
1846 (fix_truncsfsi2): Emit different code for SH4.
1847 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1848 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1849 (negsf2, sqrtsf2, abssf2): Now expanders.
1850 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1851 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1852 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1853 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1854 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1855 (fix_truncdfsi2_i4_2+1): New splitters.
1856 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1857 (extendsfdf2, truncdfsf2): New expanders.
1858 (truncdfsf2_i4): New insn.
1859 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1860 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1861 * float-sh.h: When testing for __SH3E__, also test for
1862 __SH4_SINGLE_ONLY__ .
1863 * va-sh.h (__va_freg): Define to float.
1864 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1865 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1866 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1867 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1869 (TARGET_SH4_P): Define.
1872 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1873 init_expr_once is satisfied about the existence of load / store insns.
1875 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1876 change m constraint in source operand to mr / mf .
1878 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1880 * (__VA_REEF): Define.
1881 (__va_arg_sh1): Use it.
1883 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1885 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1887 * i386/dgux.c (struct option): Add new "description field".
1888 * m88k/m88k.c (struct option): Likewise.
1890 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1892 * version.c: Bump for snapshot.
1894 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1896 * regmove.c (regmove_profitable_p): Use return value of find_matches
1899 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1901 * version.c: Bump for snapshot.
1903 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1905 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1906 without reload having been called earlier.
1908 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1910 (v850_reorg): Similarly.
1912 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1914 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1916 * loop.c (move_movables): Start of libcall might be new loop start.
1918 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1920 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1922 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1924 * function.c (nonlocal_goto_handler_slots): Renamed from
1925 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1926 (push_function_context_to): Adjust for this change.
1927 (pop_function_context_from): Likewise.
1928 (init_function_start): Likewise.
1929 (expand_function_end): Likewise.
1930 * function.h (struct function): Likewise.
1931 * calls.c (expand_call): Likewise.
1932 * explow.c (allocate_dynamic_stack_space): Likewise.
1933 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1934 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1936 (expand_goto): When doing a nonlocal goto, find corresponding handler
1937 slot for it. Don't put the label address in the static chain register.
1938 (expand_end_bindings): Break out nonlocal goto handling code into
1939 three new functions.
1940 (expand_nl_handler_label, expand_nl_goto_receiver,
1941 expand_nl_goto_receivers): New static functions, broken out of
1942 expand_end_bindings and adapted to create one handler per nonlocal
1944 * function.c (delete_handlers): Delete insn if it references any of
1945 the nonlocal goto handler slots.
1946 * i960.md (nonlocal_goto): Comment out code that modifies
1948 * sparc.md (nonlocal_goto): Likewise.
1949 (goto_handler_and_restore_v9): Comment out.
1950 (goto_handler_and_restore_v9_sp64): Comment out.
1952 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1954 * expr.c (STACK_BYTES): Delete unused macro.
1955 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1956 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1957 (expand_call): Likewise.
1958 (emit_library_call): Likewise.
1959 (emit_library_call_value): Likewise.
1960 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1961 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1962 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1963 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1964 (allocate_dynamic_stack_space): Likewise.
1965 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1966 (STACK_BOUNDARY): Update description to reflect the new situation.
1968 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1970 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1971 return with a filled delay slot is followed by a return with an
1972 unfilled delay slot, delete the first return and reemit the insn
1973 that was previously in its delay slot.
1975 * i860.c (single_insn_src_p): Add missing parens.
1976 * ginclude/math-3300.h: Likewise.
1978 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1980 * regclass.c (init_reg_sets_1): Add prototype.
1981 (init_reg_modes): Likewise.
1983 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1985 * c-common.c: Change warning messages to say `comparison is
1986 always true' or `comparison is always false' instead of the
1987 confusing `is always 0', `is always 1'.
1989 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1991 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1992 break instead of return (which loses closing '>').
1994 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1996 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1997 standard 387 constants.
1999 * i386.md (jump): Explicitly set "memory" attribute.
2000 (indirect_jump, prologue_set_stack_ptr): Likewise.
2001 (prologue_get_pc_and_set_got, pop): Likewise.
2002 (allocate_stack_worder, blockage, return_internal): Likewise.
2003 (return_pop_internal, nop): Likewise.
2004 (epilogue_set_stack_ptr, leave): Likewise.
2006 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2008 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2010 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2012 * reload1.c (reload_reg_free_for_value_p):
2013 Early auto_inc reloads don't conflict with outputs.
2015 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2017 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2018 Instead call AC_HEADER_SYS_WAIT.
2020 * collect2.c: Don't provide defaults for sys/wait.h macros.
2022 * protoize.c: Likewise. Also, don't include sys/wait.h.
2024 * system.h: Include sys/wait.h and provide macro defaults.
2026 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2028 * Makefile.in (mandir): Set to @mandir@.
2029 (man1dir): New variable to hold the former value of $(mandir).
2030 Replace all uses of $(mandir) by $(man1dir).
2032 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2034 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2035 a new one before passing it to force_const_mem.
2037 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2038 find_reloads_address call.
2040 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2042 * expr.c (store_expr): Don't generate load-store pair
2043 if TEMP is identical (according to ==) with TARGET.
2045 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2047 * reload1.c (reload_reg_free_for_value_p): When considered reload
2048 has an output, matching inputs are not sufficient to avoid conflict.
2050 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2052 * hash.h (hash_table_key): New type.
2053 (hash_entry): Change `string' field to generic `key'.
2054 (hash_table): Add `comp' and `hash' functions.
2055 (hash_table_init): Take them as input.
2056 (hash_table_init_n): Likewise.
2057 (hash_lookup): Modify for generic keys.
2058 (hash_newfunc): Likewise.
2059 (hash_traverse): Likewise.
2060 (string_hash): New function.
2061 (string_compare): Likewise.
2062 (string_copy): Likewise.
2063 * hash.c (hash_table_init_n): Modify for generic keys.
2064 (hash_table_init): Likewise.
2065 (hash_lookup): Likewise.
2066 (hash_newfunc): Likewise.
2067 (hash_traverse): Likewise.
2068 (string_hash): Split out from hash_lookup.
2069 (string_compare): New function.
2070 (string_copy): Split out from hash_lookup.
2071 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2073 (symbol_hash_lookup): Likewise.
2074 (file_hash_newfunc): Likewise.
2075 (file_hash_lookup): Likewise.
2076 (demangled_hash_newfunc): Likewise.
2077 (demangled_hash_lookup): Likewise.
2078 (tlink_int): Likewise.
2079 (read_repo_file): Likewise.
2080 (recompile_files): Likewise.
2081 (demangle_new_symbols): Likewise.
2082 (scan_linker_output): Likewise.
2084 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2086 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2088 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2090 * rs6000.c (output_mi_thunk): Improve test for local branch.
2092 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2094 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2096 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2098 * reload1.c (reload_reg_free_before_p): Delete.
2099 Changed all callers to use reload_reg_free_for_value_p instead.
2100 (reload_reg_free_for_value_p): Handle more reload types.
2101 A RELOAD_FOR_INPUT doesn't conflict with its
2102 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2103 Add special case for OUT == const0_rtx.
2104 Added ignore_address_reloads argument. Changed all callers.
2106 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2108 * toplev.c (compile_file): Don't pedwarn about undefined static
2109 functions just because we passed -Wunused.
2111 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2113 * function.c (purge_addressof_1): Unshare rtl created by
2116 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2118 * regmove.c (regmove_optimize): Don't do anything but
2119 optimize_reg_copy[123] when flag_regmove is not set.
2121 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2123 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2124 value in paradoxical SImode result, rather than truncating midpoint.
2126 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2128 * alpha.c (reg_not_elim_operand): New.
2129 * alpha.h (PREDICATE_CODES): Add it.
2130 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2131 for the multiplicand.
2133 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2135 * rs6000.md (movsf): Remove explicit secondary-reload-like
2136 functionality. Only truncate SFmode store if in FPR.
2137 (movsf splitters): Combine const_double splitters.
2138 (movsf_hardfloat): Add GPR support.
2140 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2142 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2143 deprecate -mlive-g0 and -mbroken-saverestore.
2144 * t-splet (MULTILIB_OPTIONS): Likewise.
2146 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2147 in a leaf function. Clarify total_size/extra_size relationship.
2149 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2151 * i386/cygwin32.asm: Delete.
2152 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2153 * i386/cygwin32.h: Delete.
2154 * i386/cygwin.h: New file, renamed from cygwin32.h.
2155 * i386/t-cygwin32: Delete.
2156 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2157 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2158 * i386/x-cygwin32: Delete.
2159 * i386/x-cygwin: New file, renamed from x-cygwin32.
2160 * i386/xm-cygwin32: Delete.
2161 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2162 renamed cygwin_ funcs for path translations.
2163 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2164 * i386/winnt.c: Remove "32" from comment about cygwin.
2165 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2166 * rs6000/cygwin32.h: Delete.
2167 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2168 -D__CYGWIN__ to CPP_PREDEFINES.
2169 * rs6000/x-cygwin32: Delete.
2170 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2171 * rs6000/xm-cygwin32: Delete.
2172 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2174 * configure.in: Check for cygwin* instead of cygwin32. Account
2175 for the rename of cygwin-related config files to lose the "32"s.
2176 * configure: Regenerate.
2178 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2179 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2181 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2183 * Makefile.in (JAVAGC): New macro.
2184 * configure: Rebuilt.
2185 * configure.in: Recognize --enable-java-gc argument. Subst
2188 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2190 Handle equivalences that have been obscured by gcse:
2192 * reload1.c (reload): Handle equivalences set up in multiple places.
2193 * local-alloc.c (reg_equiv_init_insns): New variable.
2194 (no_equiv): New function.
2195 (update_equiv_regs): Handle equivalences set up in multiple places.
2196 Don't ignore an insn just because its destination is likely to be
2199 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2201 * except.c (expand_eh_return): Readd force_operand call lost in
2204 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2206 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2208 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2210 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2212 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2214 * regmove.c (regmove_optimize): Fix error in last change.
2216 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2218 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2219 offset in the .mask pseudo to compensate for frame pointer adjustments.
2220 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2221 word swap arguments moved to/from FP registers.
2222 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2224 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2226 * version.c: Bump for snapshot.
2228 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2230 * version.c: Bump for snapshot.
2232 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2234 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2235 times, then it can not be completely replaced.
2237 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2239 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2241 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2243 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2244 (to distinguish it from the macro wrapping ansidecl.h.)
2245 Include libiberty's ansidecl.h. Remove all redundant definitions.
2246 Define the PROTO() style macros in terms of the PARAMS() ones.
2249 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2250 __STDC__, when deciding whether to use ANSI variable args.
2251 (emit_library_call_value): Likewise.
2253 * cccp.c (error): Likewise.
2254 (warning): Likewise.
2255 (error_with_line): Likewise.
2256 (warning_with_line): Likewise.
2257 (pedwarn): Likewise.
2258 (pedwarn_with_line): Likewise.
2259 (pedwarn_with_file_and_line): Likewise.
2262 * cexp.y (error): Likewise.
2263 (pedwarn): Likewise.
2264 (warning): Likewise.
2266 * collect2.c (fatal_perror): Likewise.
2270 * combine.c (gen_rtx_combine): Likewise.
2272 * cpperror.c (cpp_message): Likewise.
2273 (cpp_fatal): Likewise.
2275 * cpplib.c (cpp_error): Likewise.
2276 (cpp_warning): Likewise.
2277 (cpp_pedwarn): Likewise.
2278 (cpp_error_with_line): Likewise.
2279 (cpp_warning_with_line): Likewise.
2280 (cpp_pedwarn_with_line): Likewise.
2281 (cpp_pedwarn_with_file_and_line): Likewise.
2283 * cpplib.h: Don't define PARAMS() macro.
2285 * demangle.h: Likewise.
2287 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2288 when deciding whether to use ANSI variable args.
2290 * emit-rtl.c (gen_rtx): Likewise.
2291 (gen_rtvec): Likewise.
2293 * final.c (asm_fprintf): Likewise.
2295 * fix-header.c (cpp_message): Likewise.
2297 (cpp_fatal): Likewise.
2299 * gcc.c (concat): Likewise.
2303 * genattr.c (fatal): Likewise.
2305 * genattrtab.c (attr_rtx): Likewise.
2306 (attr_printf): Likewise.
2309 * gencodes.c (fatal): Likewise.
2311 * genconfig.c (fatal): Likewise.
2313 * genemit.c (fatal): Likewise.
2315 * genextract.c (fatal): Likewise.
2317 * genflags.c (fatal): Likewise.
2319 * genopinit.c (fatal): Likewise.
2321 * genoutput.c (fatal): Likewise.
2324 * genpeep.c (fatal): Likewise.
2326 * genrecog.c (fatal): Likewise.
2328 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2329 deciding whether to declare `tree_node' and `rtx_def'.
2331 * hash.h: Don't define stuff we get from gansidecl.h.
2333 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2334 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2335 whether to use ANSI variable args.
2338 * prefix.c (concat): Likewise.
2342 * system.h: Likewise.
2344 * toplev.c (error_with_file_and_line): Likewise.
2345 (error_with_decl): Likewise.
2346 (error_for_asm): Likewise.
2349 (warning_with_file_and_line): Likewise.
2350 (warning_with_decl): Likewise.
2351 (warning_for_asm): Likewise.
2352 (warning): Likewise.
2353 (pedwarn): Likewise.
2354 (pedwarn_with_decl): Likewise.
2355 (pedwarn_with_file_and_line): Likewise.
2357 (really_sorry): Likewise.
2359 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2360 whether to declare `tree_node' and `rtx_def'.
2362 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2363 deciding whether to use ANSI variable args.
2364 (build_nt): Likewise.
2365 (build_parse_node): Likewise.
2367 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2369 * version.c: Bump for snapshot.
2371 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2373 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2375 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2377 * collect2.c (main, case 'b'): Use else if.
2379 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2381 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2382 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2383 before the config/ directory headers.
2384 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2385 gansidecl.h in the list of dependencies.
2387 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2388 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2389 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2390 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2391 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2392 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2395 * cccp.c: Don't include gansidecl.h.
2397 * collect2.c: Likewise.
2398 * config/c4x/c4x.c: Likewise.
2399 * config/v850/v850.h: Likewise.
2400 * cppalloc.c: Likewise.
2401 * cpperror.c: Likewise.
2402 * cppexp.c: Likewise.
2403 * cppfiles.c: Likewise.
2404 * cpphash.c: Likewise.
2405 * cpplib.c: Likewise.
2406 * cppmain.c: Likewise.
2407 * cppulp.c: Likewise.
2408 * demangle.h: Likewise.
2409 * doprint.c: Likewise.
2410 * dyn-string.c: Likewise.
2411 * eh-common.h: Likewise.
2412 * fix-header.c: Likewise.
2413 * frame.c: Likewise.
2416 * gen-protos.c: Likewise.
2417 * gencheck.c: Likewise.
2418 * halfpic.h: Likewise.
2420 * machmode.h: Likewise.
2421 * mbchar.c: Likewise.
2422 * prefix.c: Likewise.
2423 * protoize.c: Likewise.
2424 * recog.h: Likewise.
2426 * scan-decls.c: Likewise.
2428 * varray.h: Likewise.
2430 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2432 * i386.md (call_value_pop): If we're not popping anything,
2433 defer to call_value.
2434 (call_pop): Likewise defer to call.
2436 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2438 * function.c (purge_addressof): Clear purge_addressof_replacements
2439 only after processing the whole function.
2441 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2443 * reload1.c (reload): If we can not perform a particular elimination
2444 when we thought we could earlier, then we must always iterate through
2445 the loop at least one more time.
2447 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2449 * alpha.c (add_operand): Simplify the CONST_INT match.
2450 (sext_add_operand): Correct typo in comparison by using
2451 CONST_OK_FOR_LETTER_P.
2452 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2453 constant alternatives to be generated.
2454 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2455 small constants, since the hw instructions do.
2457 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2459 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2460 previous insn to store directly into our reload register, make sure
2461 that if the source of the previous insn is a reload register, its
2462 spill_reg_store and spill_reg_stored_to values are cleared.
2464 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2466 * rs6000.md (floatunssidf2_internal splitter): Use base register
2467 operand, not hard-coded SP.
2469 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2471 * jump.c (calculate_can_reach_end): Fix thinko.
2473 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2475 * reorg.c (fill_simple_delay_slots): Fix typo.
2477 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2479 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2481 * i386.md (extendsidi2): Use # in the output template.
2482 (extendsidi splitters): New splitters.
2484 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2486 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2488 * configure: Regenerate.
2490 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2492 * jump.c (init_label_info, delete_barrier_successors,
2493 mark_all_labels, delete_unreferenced_labels,
2494 delete_noop_moves, calculate_can_reach_end): New functions broken
2495 out of jump_optimize.
2496 (jump_optimize): Use them.
2498 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2500 * except.c (expand_fixup_region_end): Make sure outer context labels
2501 are not issued in an inner context during cleanups.
2503 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2505 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2508 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2510 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2511 to expose this midpoint to CSE.
2513 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2515 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2517 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2519 * configure.in: Bring over gcc2 change of Nov 19 1997.
2521 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2523 * toplev.c (output_lang_identify): Make definition dependent on
2524 ASM_IDENTIFY_LANGUAGE.
2526 * print-rtl.c (spaces): Make static.
2528 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2530 * extend.texi: Clarify proper uses for register clobbers in asms.
2532 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2534 * recog.h (enum op_type): Define.
2535 (constrain_operands): Adjust prototype.
2536 (recog_op_type): Declare new variable.
2537 * recog.c (recog_op_type): New variable.
2538 (insn_invalid_p): Allow modifying an asm statement after reload.
2539 (extract_insn): Set up recog_op_type.
2540 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2541 Don't compute operand types, use recog_op_type.
2542 Use the information computed by extract_insn instead of the previous
2543 method of finding it by insn code number.
2544 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2545 * reorg.c (fill_slots_from_thread): Likewise.
2546 * reload1.c (reload_as_needed): Likewise.
2547 (gen_reload): Likewise.
2548 (inc_for_reload): Likewise.
2549 (reload_cse_simplify_operands): Likewise.
2550 Use the information computed by extract_insn instead of the previous
2551 method of finding it by insn code number.
2552 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2554 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2555 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2556 Use the information computed by extract_insn instead of the previous
2557 method of finding it by insn code number.
2558 * regmove.c (find_matches): Likewise. Change meaning of the return
2559 value to be nonzero if the optimization can be performed, zero if
2560 not. All callers changed.
2561 Shorten some variable names to fix formatting problems.
2562 (regmove_optimize): Shorten some variable names to fix formatting
2564 Use the information computed by extract_insn instead of the previous
2565 method of finding it by insn code number.
2566 * regclass.c (scan_one_insn): Likewise.
2567 (record_reg_classes): Don't compute operand types, use recog_op_type.
2568 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2569 recog_constraints instead.
2571 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2573 * rtl.h (flow2_completed): Declare.
2574 * flow.c (flow2_completed): Definition.
2575 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2578 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2580 * Makefile.in (libcpp.a): Ranlib libcpp.a
2582 * cppulp.c (user_label_prefix): Initialize.
2584 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2586 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2587 at a RETURN if current_function_sp_is_unchanging is set.
2589 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2591 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2593 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2595 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2596 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2597 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2598 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2599 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2600 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2602 (LIB_SPEC): Handle -mno-cyginw option.
2603 (LINK_SPEC): Handle -mdll.
2605 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2607 * reload.c (find_reloads): Fix test for usage by other reload
2608 to handle secondary reloads properly.
2610 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2612 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2613 intermediate structure which has exactly the members provided by
2614 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2615 static intermediate structure.
2617 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2618 from the intermediate structure. Do the same analogous fix in
2619 the case where ELIMINABLE_REGS is not defined.
2621 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2623 * pa.h (SELECT_SECTION): Fix thinko.
2625 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2627 * dwarf2out.c (output_call_frame_info): Comments on last change.
2629 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2631 * arm.c (add_constant): When taking the address of an item in the
2632 pool, get the mode of the item addressed.
2634 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2635 contain a SET or a PARALLEL, don't consider it for conditional
2638 Restore ABI compatibility for NetBSD.
2639 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2641 (RETURN_IN_MEMORY): Likewise.
2643 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2645 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2646 (m32r_output_block_move): Rewrite bytes < 4 handling.
2648 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2650 * configure.in: Call AC_FUNC_VFORK.
2652 * collect2.c: Define VFORK_STRING as a printable string for
2653 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2654 defined, include vfork.h. If VMS is defined, define vfork()
2655 appropriately. Remove vfork check on USG, we're using autoconf.
2656 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2657 checking locally what string to pass.
2658 (scan_prog_file): Likewise.
2659 (scan_libraries): Likewise.
2661 * gcc.c: Remove vfork check on USG, we're using autoconf.
2662 Besides, no calls to vfork/fork occur in this file.
2664 * protoize.c: Likewise.
2666 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2668 * configure.in (DEFAULT_LINKER): renamed from LD
2669 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2670 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2671 * configure: rebuilt
2673 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2675 * BUGS: fix the regexp for `more' to find the appropriate node.
2676 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2678 * BUGS: added link to the WWW FAQ
2680 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2682 * version.c: Bump for snapshot.
2684 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2686 * From Christian Gafton:
2687 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2688 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2689 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2691 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2693 * c-common.c (c_get_alias_set): Allow all type-punning through
2694 unions. Don't get confused about the type of a bit-field, despite
2695 the antics of build_modify_expr.
2697 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2699 * fixinc.sco: Paramaterize #include_next values.
2700 * fixinc/fixinc.sco: Likewise.
2702 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2704 * toplev.c (rest_of_compilation): No longer set reload_completed.
2705 * reload1.c (reload): Set it here. Perform instruction splitting
2706 after reload has completed if we will be running the scheduler
2709 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2711 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2712 EH region if exceptions are enabled and we're performing cross
2714 (find_cross_jump): Exit loop if the insns are in different EH regions.
2716 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2718 * dwarf2out.c (output_call_frame_info): Use
2719 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2721 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2723 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2724 * c-common.c (check_format_info): Don't check for the 'x'
2725 format character twice, instead check for 'x' and 'X'
2727 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2729 * configure.in (assembler features): Also make gas is configured if
2730 we find it in the souce tree.
2732 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2734 * i386.c (i386_comp_type_attributes): Compare whether the
2735 attributes are defined, not their tree nodes.
2737 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2739 * configure.in (gxx_include_dir): bitten by autoconf quoting
2741 * configure: rebuilt
2743 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2745 * configure.in: Ignore non-absolute value in $AS.
2747 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2749 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2751 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2753 * configure.in (msdosdjgpp): Set exeext and target_alias.
2755 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2757 * flow.c (XNMALLOC): New macro.
2758 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2760 (add_edge, add_edge_to_label): New static functions.
2761 (free_bb_memory): New function.
2762 (flow_delete_insn): Delete function.
2763 (basic_block_drops_in): Delete variable.
2764 (find_basic_blocks): Allocate and initialize basic_block_head,
2765 basic_block_succ. Don't allocate basic_block_drops_in.
2766 Call free_bb_memory at the beginning.
2767 (find_basic_blocks_1): Don't do multiple passes.
2768 Delete code to compute basic_block_drops_in.
2769 After calling make_edges, mark blocks reached by current block live.
2770 Update test for unreachable live blocks.
2771 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2773 Simplify to call add_edge_to_label when a LABEL_REF is found.
2774 (make_edges): Simplify to call add_edge_to_label instead of
2775 mark_label_ref most of the time.
2776 Compute here whether control drops into the next block.
2777 (delete_unreachable_blocks): Return void. All callers changed.
2778 Delete unreachable blocks in reverse order.
2779 After deleting all unreachable blocks, renumber the remaining ones
2780 and update n_basic_blocks.
2781 (delete_block): Speed up deletion a bit.
2782 Don't set basic_block_drops_in for deleted blocks.
2783 (free_basic_block_vars): Don't free basic_block_drops_in.
2784 (life_analysis_1): Update to use new edge representation.
2785 (dump_flow_info): Delete code to print basic block info; call
2786 dump_bb_data instead.
2787 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2788 and uid_block_number.
2789 Simply copy the previously computed cfg.
2790 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2791 Print register lifetime information if LIVE_INFO is nonzero.
2792 * basic-block.h (dump_bb_data): Adjust prototype.
2793 * gcse.c (gcse_main): Update call to dump_bb_data.
2794 * rtl.h (free_bb_memory): Declare.
2795 * toplev.c (rest_of_compilation): Call free_bb_memory.
2797 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2798 (update_eliminable_offsets): Don't compute it.
2799 (set_initial_elim_offsets): Don't initialize it.
2800 Break out some code into set_initial_label_offsets so the rest of
2801 this function can be called from reload_as_needed.
2802 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2803 ELIMINABLE_REGS isn't.
2804 (set_initial_label_offsets): New function, broken out of
2805 set_initial_elim_offsets.
2806 (set_offsets_for_label): New function, broken out of set_label_offsets
2807 and reload_as_needed.
2808 (reload): Call the two new functions.
2809 (reload_as_needed): Call set_initial_elim_offsets instead of
2810 duplicating the code. Likewise for set_offsets_for_label.
2812 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2813 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2814 any hard reg, reg_reloaded_dead contains valid data.
2816 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2818 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2819 "stdcall" and "cdecl" attributes.
2821 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2823 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2824 handle deleted no-op moves of hard registers.
2825 * haifa-sched.c (update_flow_info): Likewise.
2827 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2829 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2830 of the sequences to reload the HILO register which do not actually
2833 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2835 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2837 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2839 * except.c (emit_eh_context): Make the EH context register stay alive
2840 at -O0 so stupid.c doesn't get confused.
2842 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2844 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2846 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2847 Jeffrey A Law (law@cygnus.com)
2849 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2850 (zero_extendsidi2): Use # in output template and handle completely by
2852 (zero_extend splitters): New define_splits.
2853 (ashiftrt_32): New pattern.
2855 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2857 * tree.c (append_random_chars): New fn.
2858 (get_file_function_name_long): Use it.
2860 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2862 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2863 (LIBCPP_OBJS): New. Add cppulp.o.
2864 (cppmain, fix-header): Depend on and use libcpp.a.
2865 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2866 of the individual object files.
2867 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2870 * cccp.c (user_label_prefix): New.
2871 (main): Set it off -f*leading-underscore.
2872 (special_symbol): Use it.
2873 * cpplib.c (special_symbol): Likewise.
2874 (cpp_handle_option): Handle -f*leading-underscore.
2875 * cppulp.c: New file.
2877 * output.h (user_label_prefix): Declare it.
2878 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2879 * toplev.c (f_options, main): Handle -f*leading-underscore.
2881 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2882 referencing USER_LABEL_PREFIX directly.
2883 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2884 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2885 * final.c (asm_fprintf): Use user_label_prefix instead.
2886 * arm/thumb.c (thumb_print_operand): Likewise.
2888 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2889 cpp wherever appropriate.
2891 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2893 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2894 specific compiler switches.
2896 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2898 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2901 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2903 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2904 structure which has exactly the members provided by EXTRA_SPECS.
2905 Xmalloc() the real `extra_specs', and initialize it from this
2906 intermediate structure.
2908 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2910 * mips.h (EXTRA_SPECS): Likewise.
2912 * sparc.h (EXTRA_SPECS): Likewise.
2914 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2916 * function.c (purge_addressof_1): Instead of aborting when a
2917 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2918 work just put the ADDRESSOF on stack. Otherwise remember all such
2919 successfull replacements, so that exactly the same replacements
2920 can be made on the REG_NOTEs. Remove the special case for CALL
2922 (purge_addressof_replacements): New variable.
2923 (purge_addressof): Clear it at end.
2925 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2927 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2928 (lang_init): Call check_newline always.
2929 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2930 cpp_start_read, set yy_cur and yy_lim to read from
2931 parse_in.token_buffer, so that we'll see the first #line
2933 * cpplib.c (cpp_start_read): finclude the main input file
2934 before processing -include/-imacros. Process -imacros and
2935 -include separately, and handle -include by stacking a
2936 buffer for the file in question as if it'd been #included.
2937 * toplev.c (documented_lang_options) Recognize -H when
2940 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2942 * cpplib.c: Merge do_once into do_pragma. Break file handling
2943 code out of do_include.
2944 Move append_include_chain, deps_output,
2945 file_cleanup, redundant_include_p, import_hash,
2946 lookup_import, add_import, read_filename_string, read_name_map,
2947 open_include_file, finclude, safe_read to cppfiles.c.
2948 Move prototypes for deps_output, append_include_chain,
2949 finclude to cpplib.h. Move definition of struct
2950 file_name_list there also.
2952 * cppfiles.c: New file. Contains all the above functions
2953 broken out of cpplib.c; also hack_vms_include_specification
2954 from cccp.c and find_include_file, a new function broken out of
2957 * Makefile.in (cppmain): Depend on cppfiles.o.
2958 (fix-header): Likewise.
2959 (cppfiles.o): New target.
2960 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2961 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2963 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2965 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2966 if pending_types is non-zero.
2967 (dwarfout_finish): Verify pending_types is zero before finishing.
2969 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2971 * expr.c (convert_move): Use shifts to perform the move if a
2972 suitable extend pattern cannot be found. Code written by
2973 Richard Henderson <rth@cygnus.com>.
2975 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2977 * regclass.c (renumber, regno_allocated): New static variables, moved
2978 out of allocate_reg_info.
2979 (allocate_reg_info): Move these two variables outside the function.
2980 Move code to free memory into new function free_reg_info.
2981 (free_reg_info): New function, broken out of allocate_reg_info.
2982 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2983 * rtl.h (allocate_reg_info): Don't declare.
2984 (free_reg_info): Declare.
2986 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2988 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2990 * toplev.c (compile_file): Temporarily revert last change.
2992 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2994 * c-typeck.c (convert_for_assignment): Parenthesize.
2996 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2998 * reload1.c (delete_output_reload): Avoid ambigous else.
3000 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3002 * toplev.c (compile_file): Call allocate_reg_info to free register
3004 * rtl.h (allocate_reg_info): Declare.
3006 * PROJECTS: Remove entry for local spilling.
3008 * final.c (cleanup_subreg_operands): New function.
3009 (final_scan_insn): Use it.
3010 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3012 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3013 operands when reload has finished.
3014 * reload.h (cleanup_subreg_operands): Declare..
3015 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3016 reload. Handled in reload itself.
3018 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3020 * reload1.c (verify_initial_offsets): New function.
3021 (reload): Call it after reload_as_needed. Also verify that the frame
3022 size stays constant during reload_as_needed.
3023 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3025 * reload.h (struct insn_chain): Add need_operand_change element.
3026 * reload1.c (new_insn_chain): Clear it.
3027 (calculate_needs_all_insns): Set it; don't overload need_reload.
3028 (reload_as_needed): Use it.
3030 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3031 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3032 and reload_address_index_reg_class.
3033 (find_reloads_address_1): Likewise.
3034 * reload.h (reload_address_base_reg_class,
3035 reload_address_index_reg_class): Don't declare.
3036 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3037 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3038 (used_spill_regs): Now static.
3039 (reload_address_base_reg_class, reload_address_index_reg_class,
3040 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3041 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3042 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3045 (init_reload): Delete code to compute base/index reg classes.
3046 (reload): Delete variable J.
3047 Delete code to manage basic_block_needs.
3048 Don't compute regs_explicitly_used.
3049 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3050 pseudo_previous_regs.
3051 Initialize bad_spill_regs_global.
3052 Don't call order_regs_for_reload here.
3053 Don't initialize spill_reg_order and n_spills.
3054 Don't forbid explicitly used regs to be used for spill regs.
3055 Change main loop to infinite loop, with explicit break statements.
3056 Make SOMETHING_CHANGED variable local to that loop.
3057 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3058 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3059 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3061 Don't call dump_needs.
3062 Delete code to reset potential_reload_regs.
3063 Delete code to terminate loop conditional on the global needs variables
3064 showing no further needs.
3065 (calculate_needs_all_insns): Return void. All callers changed.
3066 Initialize somehing_needs_elimination here, not in reload.
3067 Delete avoid_return_reg kludge.
3068 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3069 All callers changed.
3070 Initialize the group_mode and group_size elements of the arg CHAIN.
3071 Delete code to manage basic_block_needs.
3072 Operate on elements of CHAIN instead of global variables.
3073 Delete avoid_return_reg kludge.
3074 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3075 All callers changed.
3076 Operate on elements of CHAIN instead of global variables.
3077 Delete special SMALL_REGISTER_CLASSES code.
3078 Delete spill_failure code; now in new_spill_reg.
3079 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3080 All callers changed.
3081 Operate on elements of CHAIN instead of global variables.
3082 (maybe_mark_pseudo_spilled): New static function.
3083 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3084 All callers changed.
3085 Operate on elements of CHAIN instead of global variables.
3086 Call order_regs_for_reload here, not in reload.
3087 Initialize spill_reg_order and n_spills.
3088 Simplify test whether an asm insn is involved.
3089 Delete spill_failure code; now in new_spill_reg.
3090 Call maybe_mark_pseudo_spilled for everything marked as live in
3091 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3093 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3094 compiler from optimizing this function (now unused) away.
3095 Operate on elements of CHAIN instead of global variables.
3096 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3098 Operate on elements of CHAIN instead of global variables.
3099 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3100 take CHAIN arg. All callers changed.
3101 Operate on elements of CHAIN instead of global variables.
3102 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3103 CHAIN, NONGROUP args. Return void. All callers changed.
3104 Verify caller isn't trying to spill a pseudo.
3105 Simplify test for illegal reg, just use bad_spill_regs.
3106 Generate better error messages.
3107 Operate on elements of CHAIN instead of global variables.
3108 Mark spilled register in CHAIN's used_spill_regs element.
3109 Don't call spill_hard_reg.
3110 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3111 Mark spilled hard regs in bad_spill_regs_global.
3112 Mark affected pseudos in spilled_pseudos, but don't spill them.
3113 (ior_hard_reg_set): New static function.
3114 (finish_spills): Return int. All callers changed.
3115 Compute spill_reg_order, n_spills and spill_regs here. Also update
3116 regs_ever_live for regs used as spills.
3117 For every pseudo in spilled_pseudos, spill it and mark the previous
3118 hard reg it had in pseudo_previous_regs. Compute which hard regs
3119 arseudo): New static function.
3120 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3121 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3122 hard registers explicitly used across the current insn into the set.
3123 Compute hard_reg_n_uses taking only pseudos live across this insn
3125 Tweak sorting of potential_reload_regs.
3126 (compare_spill_regs): Delete function.
3127 (reload_as_needed): Don't sort the spill_regs array, it's computed
3128 in proper order in finish_spills.
3129 Delete avoid_return_reg kludge.
3130 Delete code to manage basic_block_needs.
3131 (allocate_reload_reg): Minor speed/readability tweaks.
3132 Operate on elements of CHAIN instead of global variables.
3133 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3134 Delete avoid_return_reg kludge.
3135 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3136 Delete unused label FAIL.
3137 (reload_combine): Replce reload_address_index_reg_class with
3139 Don't use used_spill_regs to determine information about lifetime of
3142 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3144 * toplev.c (display_help): Ignore empty target specific
3145 options, and if -W is also specified on the command line then
3146 display undocumented options.
3148 * config/arm/arm.c: Updated with changes in devo sources.
3149 * config/arm/arm.h: Updated with changes in devo sources.
3150 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3151 * config/arm/lib1thumb.asm: Add ELF support.
3153 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3155 * collect2.c (aix64_flag): New variable.
3156 (main, case 'b'): Parse it.
3157 (GCC_CHECK_HDR): object magic number must match mode.
3158 (scan_prog_file): Only check for shared object if valid header.
3159 Print debugging if header/mode mismatch.
3161 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3163 Added support for arm-elf-linux configuration, submitted by Philip
3164 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3165 code developed by Catherine Moore <clm@cygnus.com>. The following
3168 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3171 * configure: Regenerated.
3173 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3174 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3175 definitions conditional on their not having been already defined.
3177 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3178 and .type directives, and add "(PLT)" qualification to function
3181 * config/arm/linux.h: Deleted. This file is now superceeded by
3182 either linux-elf.h or linux-aout.h.
3184 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3185 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3187 Move definitions from old linux.h file here.
3189 * config/arm/elf.h: New file. Generic ARM/ELF support.
3191 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3193 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3195 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3196 using the 26bit APCS.
3198 * config/arm/unknown-elf.h: New file. Support for OS'es other
3199 than Linux with ELF.
3201 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3204 * config/arm/coff.h: Include aout.h for basic assembler macros.
3205 Add support for -mstructure_size_boundary=<n> command line option.
3207 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3208 command line option. Make macro definitions conditional on their
3209 not having been already defined.
3211 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3212 command line option.
3215 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3217 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3218 has been changed to not include a newline. Use this macro instead.
3219 (output_enumeral_list, const_value_attribute, name_attribute,
3220 comp_dir_attribute, prototyped_attribute, producer_attribute,
3221 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3222 dwarfout_file_scope_decl, generate_new_sfname_entry,
3223 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3224 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3226 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3228 * combine.c (subst): Process the inputs to a parallel asm_operands
3231 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3233 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3235 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3237 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3239 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3241 * version.c: Bump for snapshot.
3243 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3245 * stmt.c (expand_fixup): Set fixup->before_jump to a
3246 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3248 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3250 * Makefile.in (recog.o): Depend on toplev.h.
3251 (insn-emit.o): Depend on recog.h.
3252 (insn-peep.o): Depend on recog.h and insn-config.h.
3254 * combine.c (simplify_set): Remove unused variable `scratches'.
3256 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3257 and `idx' in macro conditional controlling their use.
3259 * genemit.c (main): Make the generated output file include
3260 recog.h. Don't have it declare `insn_operand_constraint', since
3261 we get it from recog.h.
3263 * genpeep.c (main): Make the generated output file include
3264 insn-config.h and recog.h.
3266 * recog.c: Include toplev.h.
3267 (extract_insn): Remove unused variable `p'.
3269 * regclass.c (fix_register): Add missing braces around initializer
3271 (allocate_reg_info): Move variable `i' into the scope where it is
3272 used. Change its type to `size_t'.
3274 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3276 * reload.c (push_reload): When merging reloads, make sure
3277 that reload_in_reg and reload_in are from the same reload in
3280 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3282 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3283 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3285 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3287 * loop.c (loop_has_tablejump): New variable.
3288 (prescan_loop): Scan for it.
3289 (insert_bct): Replace explicit scan with use of it.
3290 * regclass.c (regclass): Restore loop variable j.
3291 (record_reg_classes): Deterine op_types modifiers and initialize
3292 classes[i] before matching constraints. Handle matching
3295 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3297 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3300 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3302 * mips.h (EXTRA_SPECS): Add missing initializers.
3304 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3306 * sparc.h (EXTRA_SPECS): Add missing initializers.
3307 (sparc_defer_case_vector): Provide a prototype.
3309 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3310 comparing it to the result of a pointer subtraction.
3312 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3314 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3315 the argument to (unsigned char).
3317 * alpha.h (EXTRA_SPECS): Add missing initializers.
3318 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3321 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3323 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3324 (propagate_block): Delete dead code after reload.
3326 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3327 back Oct 15, 1998 change.
3328 * haifa-sched.c (update_flow_info): Likewise.
3329 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3331 * mn10200.md (truncated shift): Accept constant inputs too.
3333 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3335 * machmode.h (mode_mask_array): No longer const.
3336 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3338 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3340 * frame.c: Somewhat explain `FDE'.
3341 Suggested by Brendan Kehoe
3343 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3345 * expr.c (pending_chain): Move up.
3346 (save_expr_status): Do save pending_chain.
3347 (restore_expr_status): And restore it.
3348 * function.h (struct function): Add pending_chain.
3350 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3352 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3353 did not match the code.
3355 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3357 * regclass.c (regclass): Break out some code into new function
3358 scan_one_insn, and into regclass_init.
3359 (init_cost): New static variable, moved out of regclass.
3360 (regclass_init): Initialize it here, not in .
3361 (scan_one_insn): New static function, broken out of regclass.
3362 * recog.c (apply_change_group): Break out some code into new
3363 function insn_invalid_p.
3364 (insn_invalid_p): New static fn, broken out of apply_change_group.
3366 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3368 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3369 reg_reloaded_contents matches incremented pseudo.
3371 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3373 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3375 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3376 addressing modes with side effects. These are currently
3377 placeholders for the C4x target.
3379 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3381 * loop.c (express_from): Make sure that when generating a PLUS of
3382 a PLUS, any constant expression appears on the outermost PLUS.
3384 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3386 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3387 works if "$(srcdir)" != ".".
3389 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3391 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3392 existing SUBREG if we can, otherwise abort.
3394 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3396 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3397 `restrict' is applied to a non-pointer variable.
3399 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3401 * invoke.texi: Document -flang-isoc9x.
3403 * Makefile.in (OBJS): Add splay-tree.o.
3404 (c-common.o): Depend on rtl.h.
3405 (splay-tree.o): List dependencies and provide build rule.
3407 * rtl.h (record_alias_subset): New function.
3408 * alias.c: Include splay-tree.h.
3409 (alias_set_entry): New type.
3410 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3411 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3412 (mems_in_disjoin_alias_sets_p): New function.
3413 (alias_set_compare): Likewise.
3414 (insert_subset_children): Likewise.
3415 (get_alias_set_entry): Likewise.
3417 * tree.h (TYPE_RESTRICT): New macro.
3418 (TYPE_UNQUALIFIED): New manifest constant.
3419 (TYPE_QUAL_CONST): Likewise
3420 (TYPE_QUAL_VOLATILE): Likewise.
3421 (TYPE_QUAL_RESTRICT): Likewise.
3422 (tree_type): Add restrict_flag. Reduce count of free bits.
3423 (DECL_POINTER_ALIAS_SET): New macro.
3424 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3425 (tree_decl): Add pointer_alias_set.
3426 (build_qualified_type): New function.
3427 (build_type_variant): Define in terms of build_qualified_type.
3428 * tree.c (set_type_quals): New function.
3429 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3430 (build_type_attribute_variant): Use build_qualified_type and
3432 (build_type_variant): Rename, and modify, to become...
3433 (build_qualified_type): New function.
3434 (build_complex_type): Use set_type_quals.
3436 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3437 (C_TYPE_FUNCTION_P): Likewise.
3438 (C_TYPE_INCOMPLETE_P): Likewise.
3439 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3440 (c_apply_type_quals_to_decl): New function.
3441 (c_build_qualified_type): New function.
3442 (c_build_type_variant): Define in terms of c_build_qualified_type.
3443 (flag_isoc9x): Declare.
3444 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3445 (common_type): Change to use TYPE_QUALS.
3446 (comptypes): Likewise.
3447 (convert_for_assignment): Likewise.
3448 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3449 * c-decl.c (flag_isoc9x): Define.
3450 (c_decode_option): Handle -flang-isoc9x.
3451 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3452 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3453 * c-lex.c (init_lex): Deal with restrict.
3454 (init_lex): Don't treat restrict as a reserved word in
3455 -traditional mode, or without -flang-isoc9x.
3456 * c-lex.h (rid): Add RID_RESTRICT.
3457 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3458 equivalent to RID_RESTRICT.
3459 * c-parse.in (TYPE_QUAL): Update comment.
3460 * c-common.c: Include rtl.h.
3461 (c_find_base_decl): New function.
3462 (c_build_type_variant): Rename, and modify, to become ...
3463 (c_build_qualified_type): New function.
3464 (c_apply_type_quals_to_decl): Likewise.
3465 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3466 a particular alias set for the reference.
3467 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3469 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3471 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3472 command line switches.
3474 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3476 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3479 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3481 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3483 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3485 * regclass.c (fix_register): Add error message.
3486 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3489 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3491 * c-decl.c (warn_missing_noreturn): New global variable.
3492 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3493 (finish_function): Implement missing noreturn warning.
3495 * c-tree.h (warn_missing_noreturn): Declare extern.
3497 * invoke.texi: Document new flags.
3499 * toplev.c (documented_lang_options): Add description.
3501 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3503 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3504 loop optimization stable for the C4x.
3505 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3506 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3507 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3509 (c4x_address_conflict): Be more paranoid when packing a volatile
3510 memref in a parallel load/store.
3512 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3514 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3515 repeat_block_filler): Deleted.
3516 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3517 Condition code not set if destination register from 'c' class.
3518 (*subbqi3_carry_clobber): Fix typo.
3520 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3522 * reorg.c (steal_delay_list_from_target) Check for insns that
3523 modify the condition codes and effect the direction of the jump
3526 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3528 * function.c (purge_addressof_1): Replace call to
3529 emit_insns_before() with emit_insn_before().
3531 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3533 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3535 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3537 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3539 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3541 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3542 clobbered across calls.
3544 * loop.c (scan_loop): Be more selective about what invariants are
3545 moved out of a loop.
3547 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3549 * version.c: Bump for snapshot.
3551 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3553 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3554 static eh_context structure.
3556 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3558 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3560 (try_combine): Don't update max_scratch.
3561 * flow.c (max_scratch, num_scratch): Delete variables.
3562 (life_analysis_1): Don't initialize max_scratch.
3563 (propagate_block): Don't update max_scratch.
3564 (mark_set_1): Don't increment num_scratch.
3565 * regs.h (max_scratch): Delete declaration.
3567 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3569 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3570 is nonzero. This is temporary!
3572 * sched.c (update_flow_info): Handle death notes made invalid by
3573 instruction splitting. Partially reverts Oct 15, 1998 patch.
3574 * haifa-sched.c (update_flow_info): Likewise.
3576 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3578 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3579 if it has a nonzero DECL_INITIAL.
3581 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3583 * Makefile.in (flow.o): Depend on recog.h.
3585 * cpplib.h (directive_table): Add missing initializiers.
3586 (finclude): Change type of variable `bsize' to size_t.
3588 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3590 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3592 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3593 `int' when comparing against one.
3594 (cpp_file_line_for_message): Mark parameter `pfile' with
3596 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3598 * flow.c: Include recog.h.
3599 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3601 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3602 `f' with ATTRIBUTE_UNUSED.
3603 (reposition_prologue_and_epilogue_notes): Likewise.
3605 * genopinit.c (gen_insn): Cast argument of ctype functions to
3608 * haifa-sched.c: Include recog.h.
3609 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3610 comparing against one.
3612 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3614 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3616 (parse_ent): Likewise.
3617 (parse_input): Likewise.
3619 * optabs.c (init_libfuncs): Likewise.
3621 * protoize.c (find_rightmost_formals_list): Likewise.
3623 * recog.h (const_double_operand): Fix typo in prototype.
3625 * tlink.c (scan_linker_output): Cast the argument of ctype
3626 function to `unsigned char'.
3628 * toplev.c (check_lang_option): Cast the result of `strlen' to
3629 `int' when comparing against one.
3631 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3633 * gcse.c (dump_cuid_table): Correct typo.
3635 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3637 * toplev.c (display_help): Prepend '-m' to target specific
3639 (check_lang_option): Ignore text after end of first word of a
3640 language specific option.
3642 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3644 * reload1.c (reg_used_by_pseudo): New static variable.
3645 (choose_reload_regs): Initialize it.
3646 Use it instead of testing spill_reg_order to determine whether a
3647 pseudo is live in a hard register across the current insn.
3648 Fix a typo in a reference to reload_reg_rtx.
3650 * flow.c (propagate_block): Replace code that computes and uses
3651 regs_sometimes_live with simpler code that just walks the set of
3652 currently live registers.
3654 * Makefile.in (insn-extract.o): Fix dependencies.
3655 * genextract.c (main): Generate includes for insn-config.h and
3657 Delete generation of declarations which are now in recog.h.
3658 * genrecog.c (main): Delete generation of definitions which are
3660 * local-alloc.c (block_alloc): Use extract_insn and the variables
3661 it sets up instead of looking up values by insn_code.
3662 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3663 recog_dup_num): Define here instead of generating the definition in
3665 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3666 recog_operand_mode, recog_constraints, recog_operand_address_p):
3668 (extract_insn): New function.
3669 * recog.h (extract_insn): Declare function.
3670 (which_alternative, recog_n_operands, recog_n_dups,
3671 recog_n_alternatives, recog_operand_mode, recog_constraints,
3672 recog_operand_address_p): Declare variables.
3673 * regclass.c (n_occurrences): New static function.
3674 * reload.c (n_occurrences): Delete function.
3675 (find_reloads): Use extract_insn.
3676 * reload.h (n_occurrences): Delete declaration.
3678 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3680 * reload1.c (reload_as_needed): Fix test for when to call
3681 update_eliminable_offsets.
3683 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3685 Fix consistency problems with reg_equiv_{mem,address};
3686 Improve reload inheritance;
3688 * reload.c (reload_out_reg): New variable.
3689 (loc_mentioned_in_p, remove_address_replacements): New functions.
3690 (remove_replacements): Deleted.
3691 (push_reload): Set reload_out_reg[i].
3692 When merging, also set reload_{in,out}_reg[i], and remove
3693 duplicate address reloads.
3694 (combine_reloads): Copy reload_out_reg[i].
3695 (find_reloads): Do make_memloc substitution also when
3696 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3698 Include *recog_operand_loc in commutativity operand changes.
3699 Generate optional output reloads.
3700 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3701 processing operands. Call make_memloc in reg_equiv_address code.
3702 Set *recog_operand_loc only after processing operands, and only
3703 if replace is true. Return a value.
3704 When changing address reload types for operands that didn't get
3705 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3706 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3707 Don't emit USEs for pseudo SUBREGs when not replacing.
3708 (find_reloads_address): Do make_memloc substitution also when
3709 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3711 (find_reloads_toplev): Likewise.
3712 Call make_memloc in reg_equiv_address code.
3713 (debug_reload_to_stream): Add code to output reload_out_reg.
3714 (make_memloc): Delete local variable i, ifdefed out code, and
3715 references to memlocs and n_memlocs.
3716 (memlocs, n_memlocs): Delete.
3717 (push_secondary_reload): Clear reload_out_reg.
3718 (find_reloads_address_1): Provide memrefloc argument to all calls
3719 to find_reloads_address.
3720 In AUTO_INC code, handle non-directly addressable equivalences properly.
3721 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3722 (find_reloads): Add return type.
3723 (remove_address_replacements, deallocate_reload_reg): Declare.
3724 * reload1.c (num_not_at_initial_offset): No longer static.
3725 (delete_address_reloads, delete_address_reloads_1): Likewise.
3726 (deallocate_reload_reg): New function.
3727 (spill_reg_stored_to): New array.
3728 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3729 (eliminate_regs_in_insn): Move assignments of previous_offset and
3730 max_offset fields, and recalculation of num_not_at_initial_offset
3731 into new static function:
3732 (update_eliminable_offsets) .
3733 (reload_as_needed): Call update_eliminable_offsetss after calling
3735 Call forget_old_reloads_1 with contents of reloaded auto_inc
3736 expressions if the actual addressing can't be changed to match the
3738 (choose_reload_regs): For inheritance, replace
3739 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3740 remove stand-alone reload_reg_used_at_all test.
3741 Use reload_out_reg to determine which reload regs have output reloads.
3742 Treat reload_override_in more similar to inherited reloads.
3743 Handle (subreg (reg... for inheritance.
3744 For flag_expensive_optimizations, add an extra pass to remove
3745 unnecessary reloads from known working inheritance.
3746 Delete obsolete code for pseudos replaced with MEMs.
3747 Handle inheritance from auto_inc expressions.
3748 (emit_reload_insns): If reload_in is a MEM, set OLD to
3750 Don't reload directly from oldequiv; if it's a pseudo with a
3751 stack slot, use reload_in[j].
3752 Check that reload_in_reg[j] is a MEM before replacing reload_in
3753 from reg_reloaded_contents.
3754 Include non-spill registers in reload inheritance processing.
3755 Also try to use reload_out_reg to set spill_reg_store /
3756 reg_last_reload_reg.
3757 In code to set new_spill_reg_store, use single_set to find out if
3758 there is a single set.
3759 Add code that allows to delete optional output reloads.
3760 Add code to allow deletion of output reloads that use no spill reg.
3761 At the end, set reload_override_in to oldequiv.
3762 Also call delete_output_reload if reload_out_reg is equal to old
3764 Add code to call delete_output_reload for stores with no matching load.
3765 Set / use spill_reg_stored_to.
3766 Handle case where secondary output reload uses a temporary, but
3767 actual store isn't found.
3768 When looking for a store of a value not loaded in order to call
3769 delete_output_reload, count_occurences should return 0 for no
3770 loads; but discount inherited input reloadill_reg_stored_to.
3771 Do checks for extra uses of REG. Changed all
3773 Use delete_address_reloads.
3774 (reload): Take return value of find_reloads into account.
3775 If a no-op set needs more than one reload, delete it.
3776 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3777 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3778 for the same operand.
3779 (clear_reload_reg_in_use): Check for other reloads that keep a
3781 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3782 RELOAD_FOR_OPADDR_ADDR.
3783 Take into account when an address address reload is only needed
3784 for the address reload we are considering.
3785 (count_occurrences): Use rtx_equal_p for MEMs.
3786 (inc_for_reload): Return instruction that stores into RELOADREG.
3787 New argument two, IN, and rtx. Changed all callers.
3788 (calculate_needs_all_insns, reload_as_needed):
3789 Don't clear after_call for a CLOBBER.
3790 Keep track of how many hard registers need to be copied from
3791 after_call, and don't clear after_call before we have seen
3792 that much copies, or we see a different instruction.
3794 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3796 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3797 after reload has completed.
3799 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3801 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3802 a macro name and the next token with a single blank if that whitespace
3803 is in a macro buffer and the next token is not '('.
3805 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3807 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3809 (skip_if_group): Ditto.
3810 (skip_to_end_of_comment): Ditto.
3812 (discard_comments): Ditto.
3813 (change_newlines): Ditto.
3815 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3817 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3819 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3821 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3822 (TARGET_OPTIONS): Add --help documentation.
3824 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3826 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3828 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3830 * fixinc/* Moved in from ../contrib directory in preparation
3831 for integrating it into the normal build process. In particular,
3832 fixinc/Makefile.in must be config-ed into the build directory
3833 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3834 ./configure.in will be "in the mail" momentarily.
3836 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3838 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3839 accidently walk into the free list. Comment how that can happen.
3840 (invalidate): Fix indentation.
3842 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3843 Jeffrey A Law (law@cygnus.com)
3845 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3846 reload. Never perform rescans of the insn chain after reload.
3847 (propagate_block): Do not delete insn or create new autoinc addressing
3850 * jump.c (jump_optimize): Unconditionally use the code that was
3851 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3852 * reload1.c (reload): When reloading is finished, delete all
3853 REG_DEAD and REG_UNUSED notes.
3854 (emit_reload_insns): Delete all code that was conditional on
3855 PRESERVE_DEATH_INFO_REGNO_P.
3856 (no_longer_dead_regs): Delete variable.
3857 (reload_cse_delete_death_notes): Delete function.
3858 (reload_cse_no_longer_dead): Delete function.
3859 (reload_cse_regs_1): Delete all code to handle deletion of death
3861 (reload_cse_noop_set_p): Likewise.
3862 (reload_cse_simplify_set): Likewise.
3863 (reload_cse_simplify_operands): Likewise.
3864 (reload_cse_move2add): Likewise.
3865 * reorg.c (used_spill_regs): Delete declaration.
3866 (max_label_num_after_reload): Delete declaration.
3867 (find_dead_or_set_registers): Don't assume that spill regs are
3868 dead at a CODE_LABEL.
3869 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3871 * sched.c (sched_analyze_insn): Likewise.
3872 (update_flow_info): Likewise.
3873 * haifa-sched.c (sched_analyze_insn): Likewise.
3874 (update_flow_info): Likewise.
3875 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3876 * toplev.c (max_label_num_after_reload): Delete variable.
3877 (rest_of_compilation): Don't set max_label_num_after_reload.
3878 Call life_analysis after reload_cse_regs if optimizing.
3879 * config/gmicro/gmicro.h: Delete comment referring to
3880 PRESERVE_DEATH_INFO_REGNO_P.
3881 * config/i386/i386.h: Likewise.
3882 * config/m88k/m88k.h: Likewise.
3883 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3884 * config/sh/sh.h: Likewise.
3886 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3888 * loop.c (strength_reduce): Restore marking bct_p as
3890 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3891 HAVE_decrement_and_branch_on_count.
3892 (small_data_operand): Remove TARGET_ELF condition for marking
3893 parameters ATTRIBUTE_UNUSED.
3895 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3897 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3898 (SELECT_SECTION): Resync with svr4.h.
3900 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3902 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3905 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3907 * c-pragma.c (handle_pragma_token): Test for null tree before
3908 dereferencing TREE_CODE.
3910 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3912 * config/c4x/c4x.c: Convert to use GEN_INT.
3913 (c4x_parallel_process): Rework to handle new repeat loop structure.
3915 * config/c4x/c4x.md: Convert to use GEN_INT.
3916 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3917 (decrement_and_branch_on_count): Likewise.
3919 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3920 loop.c has the desired functionality.
3921 (rc_reg_operand): New prototype.
3923 * config/c4x/t-c4x: Can now build all front ends.
3925 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3927 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3929 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3931 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3932 * config/t-rtems: Do not install assert.h -- use newlib's.
3934 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3936 * combine.c (combine_instructions): When finished, call init_recog.
3937 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3939 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3941 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3943 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3945 * cppalloc.c (memory_full): Mark function prototype with
3948 * demangle.h (collect_exit): Likewise.
3950 * fix-header.c (v_fatal, fatal): Likewise.
3952 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3955 * gcov.c (print_usage): Likewise.
3957 * genattr.c (fatal, fancy_abort): Likewise.
3959 * genattrtab.c (fatal, fancy_abort): Likewise.
3961 * gencodes.c (fatal, fancy_abort): Likewise.
3963 * genconfig.c (fatal, fancy_abort): Likewise.
3965 * genemit.c (fatal, fancy_abort): Likewise.
3967 * genextract.c (fatal, fancy_abort): Likewise.
3969 * genflags.c (fatal, fancy_abort): Likewise.
3971 * genopinit.c (fatal, fancy_abort): Likewise.
3973 * genoutput.c (fatal, fancy_abort): Likewise.
3975 * genpeep.c (fatal, fancy_abort): Likewise.
3977 * genrecog.c (fatal, fancy_abort): Likewise.
3979 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3980 __sjpopnthrow, __throw): Likewise.
3982 * objc/objc-act.c (objc_fatal): Likewise.
3984 * protoize.c (usage, aux_info_corrupted,
3985 declare_source_confusing): Likewise.
3987 * rtl.c (dump_and_abort): Likewise.
3989 * rtl.h (sets_cc0_p): Likewise.
3991 * toplev.c (float_signal, pipe_closed): Likewise.
3993 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3995 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3996 when generating the decision tree for the general case.
3998 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3999 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4001 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4003 * Makefile.in (sched.o): Depend on recog.h.
4005 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4006 (unsigned) when comparing against one.
4007 (find_base_value): Likewise.
4008 (record_base_value): Cast variable `regno' to (unsigned) when
4009 comparing against one. Cast the result of REGNO() macro to
4010 (unsigned) when comparing against one.
4011 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4013 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4014 variable where an unsigned index is needed.
4016 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4017 before comparing against one.
4019 * collect2.c: Add prototypes for functions `error', `fatal' and
4020 `fatal_perror'. Make these functions take variable arguments
4021 instead of faking it with a fixed number of args.
4022 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4025 * combine.c (can_combine_p): Mark parameter `pred' with
4027 (find_split_point): Cast variable `src' to (unsigned
4028 HOST_WIDE_INT) when comparing against one.
4029 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4030 (simplify_logical): Likewise.
4031 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4032 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4033 HOST_WIDE_INT) in shift.
4034 (simplify_and_const_int): Cast result of INTVAL() macro to
4035 `unsigned HOST_WIDE_INT' when comparing against one.
4036 (merge_outer_ops): Cast variable const0 to `unsigned
4037 HOST_WIDE_INT' when comparing against the result of
4038 GET_MODE_MASK() macro.
4039 (simplify_comparison): Likewise for variable `c0'. Cast variable
4040 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4041 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4042 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4043 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4044 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4045 comparing against one.
4046 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4048 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4049 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4050 (output_block_move): Cast `sizeof' expression to (int) when
4051 comparing against one.
4052 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4054 (save_restore_insns): Cast `base_offset' to `long' to match format
4055 specifier in fprintf.
4057 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4058 to `enum machine_mode'.
4060 * flow.c (life_analysis_1): Remove unused variable `insn'.
4062 * gcc.c (translate_options): Move variables `j' and `k' into the
4063 scope in which they are used. Change their types to `size_t'.
4064 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4065 (read_specs): Likewise.
4066 (process_command): Cast `sizeof' to (int) when comparing against one.
4067 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4068 (handle_braces): Cast both sides of `==' expression to `long' to
4069 ensure sign matching.
4070 (main): Cast variable `i' to `int' when comparing against one.
4072 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4073 int to size_t. Cast variable `i' to size_t when comparing against
4076 * genattrtab.c (convert_set_attr_alternative): Remove unused
4077 parameter `insn_code'. All callers changed.
4078 (convert_set_attr): Likewise.
4080 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4081 size_t when comparing against one. Likewise for variable `len'.
4083 * global.c (global_alloc): Cast variable `max_regno' to size_t
4084 when comparing against one. Likewise for variable `max_allocno'.
4086 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4088 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4089 `set' with ATTRIBUTE_UNUSED.
4090 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4093 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4094 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4095 (get_condition): Cast variable `const_val' to `unsigned
4096 HOST_WIDE_INT' when comparing against one. Cast unsigned
4097 expression to HOST_WIDE_INT when comparing against one.
4098 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4099 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4100 `unsigned' when comparing against one.
4102 * protoize.c (is_id_char): Change type of parameter `ch' to
4104 (munge_compile_params): Cast argument of ctype macro to (const
4106 (process_aux_info_file): Cast variable `aux_info_size' to int when
4107 comparing against one.
4108 (forward_to_next_token_char): Cast argument of ctype macro to
4109 `const unsigned char'.
4110 (edit_formals_lists): Likewise.
4111 (find_rightmost_formals_list): Likewise.
4112 (add_local_decl): Likewise.
4113 (add_global_decls): Likewise.
4114 (edit_fn_definition): Likewise.
4115 (do_cleaning): Likewise.
4116 (scan_for_missed_items): Likewise.
4117 (edit_file): Cast variable `orig_size' to (int) when comparing
4119 (main): Cast argument of ctype macro to `const unsigned char'.
4121 * recog.c (const_int_operand): Mark parameter `mode' with
4124 * regclass.c (record_reg_classes): Change type of variable `c' to
4125 `unsigned char'. Cast `char' array index to `unsigned char'.
4127 * reload.c (push_secondary_reload): Cast argument to
4128 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4130 * reload1.c (calculate_needs): Cast `char' array index to
4132 (set_label_offsets): Change type of variable `i' to unsigned int.
4133 Cast result of XVECLEN() macro to unsigned when comparing against
4135 (mark_not_eliminable): Change type of variable `i' to unsigned.
4136 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4137 when comparing against one.
4138 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4139 comparing against one.
4140 (choose_reload_regs): Hide unused label `fail'.
4141 (reload_cse_simplify_operands): Cast `char' array index to
4143 (reload_combine_note_store): Mark parameter `set' with
4144 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4146 (reload_cse_move2add): Remove unused variable `src2'.
4148 * sched.c: Include recog.h.
4149 (sched_note_set): Remove unused parameter `b'. All callers
4151 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4152 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4153 when comparing against one.
4155 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4156 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4157 comparing against one.
4159 * unroll.c (precondition_loop_p): Remove unused parameter
4160 `loop_end'. All callers changed.
4162 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4164 * reload1.c (maybe_fix_stack_asms): New static function.
4167 * reload.h (compute_use_by_pseudos): Declare.
4169 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4170 (something_needs_reloads): Delete variable.
4171 (finish_spills): New function.
4172 (compute_use_by_pseudos): New function.
4174 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4175 Use the reload_insn_chain instead of walking the rtl directly.
4177 (reload): Allocate and free spilled_pseudos.
4178 Ensure that all calls of spill_hard_reg are followed by a call to
4180 Use the insns_need_reload list instead of something_needs_reloads
4181 to find out if reload_as_needed must be called.
4182 Clear unused_insn_chains at the end.
4184 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4186 Delete code to keep track of current basic block.
4187 Walk reload_insn_chain instead of the rtl structure. Build the
4188 insns_need_reload chain.
4189 Remember which insns need reloading/elimination by setting the
4190 appropriate fields in struct insn_chain, not by putting modes on the
4193 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4194 arg INSN. All callers changed.
4195 Delete declaration of struct needs.
4196 Don't set something_needs_reloads.
4197 Record insn needs in the CHAIN argument.
4199 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4201 (reload_as_needed): Lose FIRST arg. All callers changed.
4202 Walk the reload_insn_chain instead of the rtx structure.
4203 Delete code to keep track of current basic block.
4204 Rename one of the NEXT variables to OLD_NEXT.
4206 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4208 (choose_reload_regs): Likewise.
4210 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4213 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4214 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4215 (hard_regs_live, hard_regs_need_restore): Delete variables.
4216 (n_regs_saved): Now static.
4217 (referenced_regs, this_insn_sets): New variables.
4219 (setup_save_areas): Restructure the code a bit.
4221 (restore_referenced_regs): Delete function.
4222 (mark_referenced_regs): New function, similar to the old
4223 restore_referenced_regs, but mark registers in referenced_regs.
4225 (clear_reg_live): Delete function.
4226 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4227 Only mark registers in this_insn_sets.
4229 (save_call_clobbered_regs): Rework this function to walk the
4230 reload_insn_chain instead of using the list of instructions directly.
4231 Delete code to keep track of register lives, compute live regs on the
4232 fly from information in the chain.
4233 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4234 then walk the set it computes and call insert_restore as appropriate.
4236 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4238 Restructure the code a bit. Test hard_regs_saved instead of
4239 hard_regs_need_restore.
4240 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4241 args. All callers changed.
4242 Restructure the code a bit. Use TO_SAVE to determine which regs to
4243 save instead of more complicated test.
4244 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4246 Create a new insn_chain structure for the new insn and place it
4249 * rtl.texi: Update documentation to reflect that reload no longer
4250 puts modes on the insns.
4252 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4254 * function.c (purge_addressof_1): Force the first argument of a
4255 CALL insn to memory.
4257 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4259 * rtl.h: Delete duplicate prototypes. Add some missing
4261 * rtlanal.c: (for_each_rtx): Formatting tweak.
4263 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4265 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4266 to be compatible with TI compiler.
4268 * Makefile.in (USER_H): Add va-c4x.h to definition.
4270 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4272 * function.c (purge_addressof_1): Fix typo in inequality: do
4273 bitfield optimization for equal mode sizes.
4274 * expmed.c (store_bit_field): Don't take subregs of subregs in
4275 the movstrict case. Tidy a potential problem in the multi-word case.
4276 (extract_bit_field): Likewise.
4278 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4280 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4282 Compute max_uid_for_flow by calling get_max_uid after the scan.
4283 (find_basic_blocks_1): Don't emit NOPs here.
4285 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4287 * alias.c (base_alias_check): Accept new args for the modes of the
4288 two references. Use them to determine if an AND can overlap. Update
4290 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4291 to determine if an AND can overlap.
4293 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4295 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4296 check. Add comment to document problems with TARGET_SUN_FPA version
4298 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4300 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4302 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4304 * c-common.c (print_char_table): Add missing initializers.
4305 (scan_char_table): Likewise.
4306 (time_char_table): Likewise.
4308 * c-decl.c (c_decode_option): Mark parameter `argc' with
4310 (declare_parm_level): Mark parameter `definition_flag' with
4313 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4314 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4317 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4319 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4321 (expand_call): Cast result of MIN() to (unsigned int) when
4322 comparing against an unsigned value.
4324 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4326 (make_definition): Remove unused parameter `op'. All callers
4328 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4329 comparing against the result of pointer arithmetic.
4331 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4332 when comparing against one.
4334 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4335 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4337 (output_die): Move variable `i' into the scope in which it is
4338 used. Change its type to `unsigned'.
4339 (output_die): Cast the result of `strlen' to (int) when passing it
4340 to ASM_OUTPUT_ASCII().
4341 (output_pubnames): Likewise.
4342 (output_line_info): Likewise.
4344 * emit-rtl.c (global_rtl): Add missing initializers.
4346 * explow.c (promote_mode): Mark parameter `for_call' with
4349 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4350 `unsigned HOST_WIDE_INT' when comparing against one.
4351 (synth_mult): Change type of variable `cost' to int.
4352 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4354 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4355 when comparing against one.
4356 (get_inner_reference): Change variable `alignment' to unsigned.
4357 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4358 int) when comparing against one.
4359 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4361 * fold-const.c (div_and_round_double): Cast BASE to
4362 (HOST_WIDE_INT) when comparing against one.
4364 * gencheck.c: Include gansidecl.h.
4365 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4367 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4368 `tcode' with ATTRIBUTE_UNUSED.
4370 * real.c (edivm): Cast constant value to (unsigned long) in
4371 expression compared against an unsigned value.
4373 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4374 comparing against one.
4375 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4376 when comparing against one.
4378 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4379 (unsigned int) when comparing against one. Likewise for
4381 (smallest_mode_for_size): Likewise.
4382 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4383 (restore_storage_status): Likewise.
4385 * toplev.c (debug_args): Add missing initializer.
4386 (f_options): Spelling correction. Add missing initializers.
4387 (documented_lang_options): Likewise.
4388 (debug_end_source_file): Mark parameter `lineno' with
4391 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4392 `decl' and `type' with ATTRIBUTE_UNUSED.
4394 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4395 when comparing against one.
4396 (assemble_variable): Mark parameter `top_level' with
4398 (assemble_external_libcall): Mark parameter `fun' with
4400 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4403 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4405 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4406 Replace use of r5 with use of r19.
4408 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4410 * config/v850/v850.c (compute_register_save_size): Allow for the
4411 fact that helper functions save all registers, not just those used
4414 Replace constant 31 with macro LINK_POINTER_REGNUM.
4416 * config/v850/v850.md: Use 'indirect_operand' rather than
4417 'memory_operand' for bit test/set/clear patterns.
4419 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4421 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4422 * varasm.c (assemble_start_function et al): Don't call
4423 ASM_GLOBALIZE_LABEL for weak symbols.
4425 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4427 * cse.c (equiv_constant): Check for NULL return from
4428 gen_lowpart_if_possible().
4430 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4432 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4434 * collect2.c (main): Pass -EL/-EB through to the compiler.
4436 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4438 * expr.c (push_block): Handle targets where the stack grows
4439 to higher addresses, but args grow to lower addresses and
4440 ACCUMULATE_OUTGOING_ARGS is not defined.
4442 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4444 * config/v850/v850.c (print_operand): Extend meaning
4445 of 'c' operands to support .vtinherit.
4447 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4449 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4450 Added ATTRIBUTE_UNUSED to unused function arguments.
4451 (rc_reg_operand): New predicate.
4452 (c4x_rptb_insert): New function.
4453 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4454 (c4x_optimization_options): New function.
4456 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4457 (decrement_and_branch_on_count): New pattern.
4458 (rptb_top): Modified pattern to work with BCT optimization.
4460 * config/c4x/c4x.h (RC_REG): New register class.
4461 (rc_reg_operand): Define prototype.
4462 (IS_RC_REG): New macro.
4463 (IS_RC_OR_PSEUDO_REG): New macro.
4464 (IS_RC_OR_PSEUDO_REGNO): New macro.
4465 (OPTIMIZATION_OPTIONS): Define.
4467 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4469 * collect2.c (extract_init_priority): No priority is 65535.
4471 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4473 * Makefile.in (build_tooldir): new variable, same as old
4474 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4475 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4476 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4478 * configure.in (gxx_include_dir): set default based on unlibsubdir
4479 * Makefile.in (tooldir): ditto
4480 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4481 gxx_include_dir, includedir and tooldir
4482 (protoize.o, unprotoize.o): ditto
4484 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4486 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4488 * config/arm/thumb.c (thumb_override_options): Add warning about
4489 PIC code not being supported just yet.
4491 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4493 * flow.c: Update comment.
4494 (notice_stack_pointer_modification): New static function.
4495 (record_volatile_insns): Use it.
4496 (mark_regs_live_at_end): Mark the stack pointer as alive
4497 at the end of the function if current_function_sp_is_unchanging
4499 (life_analysis_1): Set current_function_sp_is_unchanging.
4500 * function.c: Define it.
4501 (init_function_start): Initialize it.
4502 * output.h: Declare it.
4503 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4504 the stack pointer as alive at the end of the function if
4505 current_function_sp_is_unchanging is set.
4506 * i386.c (ix86_epilogue): Optimize the restoring
4507 of the stack pointer.
4509 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4511 * version.c: Bump for snapshot.
4513 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4515 * c-pragma.c (handle_pragma_token): If passed a token instead
4516 of a tree, use that as the pack value.
4518 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4520 * flow.c (find_basic_blocks_1): Fix prototype.
4522 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4524 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4525 (struct tree_decl): New fields no_check_memory_usage.
4526 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4527 (init_attributes): Register it as a new attribute.
4528 (decl_attributes): Set flags on functions given that attribute.
4529 * c-decl.c (duplicate_decls): Merge new attribute.
4530 * expr.h (current_function_check_memory_usage): Declare new var.
4531 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4532 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4533 current_function_check_memory_usage.
4534 * function.h: Add field to struct function.
4535 * function.c (current_function_check_memory_usage): Define it.
4536 (push_function_context_to, pop_function_context_from): Save and
4538 (expand_function_start): Set it, based on global flag and function
4541 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4542 check non-automatic variables, to permit detection of writes to
4543 read-only locations in embedded systems without memory management.
4544 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4545 when emitting chkr_set_right_libfunc call, even if the argument is
4546 BLKmode or variable-sized; don't abort.
4548 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4549 symbols in Pmode, not VOIDmode.
4551 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4553 * cppexp.c: When forcing unsigned comparisons, cast both sides
4556 * cpphash.h: Move static declaration of hashtab[]...
4557 * cpphash.c: ...here.
4559 * cpplib.c: Cast difference of two pointers to size_t before
4560 comparing it to size_t. Cast signed to unsigned
4561 before comparing to size_t. (FIXME: struct argdata should use
4562 unsigned buffer sizes.)
4563 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4564 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4565 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4566 size_t before comparison.
4568 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4570 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4571 (find_basic_blocks_1): Similarly.
4572 * output.h (find_basic_blocks): Fix prototype.
4573 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4574 find_basic_blocks anymore.
4576 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4578 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4579 (sbitmap_free, sbitmap_vector_free): New macros.
4580 * output.h (rtl_dump_file): Declare.
4582 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4584 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4586 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4588 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4590 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4591 (divide): Remove unused variable `tmp'.
4592 (si_to_float): Cast numeric constant to (SItype) before comparing
4595 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4597 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4598 * gcc.c (add_preprocessor_option): Correct typo when allocating
4599 memory, sizeof() argument had one too many `*'.
4600 (add_assembler_option): Likewise.
4601 (add_linker_option): Likewise.
4602 * gcov.c (output_data): Likewise.
4603 * local-alloc.c (memref_used_between_p): Likewise.
4604 (update_equiv_regs): Likewise.
4605 * loop.c (strength_reduce): Likewise.
4606 * reg-stack.c (record_asm_reg_life): Likewise.
4607 (subst_asm_stack_reg): Likewise.
4608 * reorg.c (dbr_schedule): Likewise.
4610 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4612 * flow.c (life_analysis_1): Break out some functions.
4613 (find_basic_blocks_1): Likewise. Also move some variables out and
4615 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4616 new static var nonlocal_label_list with it.
4617 (active_eh_region, nested_eh_region, label_value_list,
4618 nonlocal_label_list): New static variables.
4619 (make_edges, delete_unreachable_blocks, delete_block): New static
4620 functions, broken out of find_basic_blocks_1.
4621 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4622 noop_move_p): New static functions, broken out of life_analysis_1.
4624 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4626 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4627 Take extra care for op0 now possibly being a subreg.
4628 (extract_bit_field): Likewise.
4629 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4630 the reg to memory if there is no equal sized integral mode.
4631 * stor-layout.c (int_mode_for_mode): New function.
4632 * machmode.h: Prototype it.
4634 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4636 * global.c (build_insn_chain): Verify no real insns exist past the
4637 end of the last basic block, then exit the loop.
4639 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4641 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4643 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4645 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4647 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4649 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4651 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4653 * flow.c (find_basic_blocks): Correctly determine when a call
4654 is within an exception region.
4656 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4658 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4660 * cpplib.h: Protect from multiple inclusions.
4661 * cpplib.c: Fix minor formatting problems.
4663 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4665 * jump.c (jump_optimize): Revert accidental patch.
4667 * Makefile.in (cpplib.o): Use unlibsubdir.
4669 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4671 * loop.c (get_condition): Allow combine when either compare is
4674 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4676 * version.c: Bump for snapshot.
4678 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4680 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4681 (init_lex): Initialize ridpointers[RID_BYREF].
4682 * c-lex.h (enum rid): Add RID_BYREF.
4683 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4684 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4685 (encode_type_qualifiers): Similarly
4686 * c-gperf.h: Rebuilt.
4688 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4690 * c-common.c (type_for_mode): Only return TItype nodes when
4691 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4692 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4693 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4694 (init_decl_processing): Only create TItype nodes when
4695 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4696 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4697 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4699 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4701 * stmt.c (n_occurrences): New static function.
4702 (expand_asm_operands): Verify that all constrains match in the
4703 number of alternatives.
4704 Verify that '+' or '=' are at the beginning of an output constraint.
4705 Don't allow '&' for input operands.
4706 Verify that '%' isn't written for the last operand.
4707 * reload.c (find_reloads): Abort if an asm is found with invalid
4708 constraints; all possible problems ought to be checked for earlier.
4710 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4712 * flags.h (flag_branch_on_count_reg): Always declare
4713 * toplev.c (flag_branch_on_count_reg): Likewise.
4714 * toplev.c: Fix typos.
4716 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4719 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4721 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4723 (find_basic_blocks_1): Add a nop to the end of a basic block when
4724 a trailing call insn does not have abnormal control flow.
4725 * gcse.c (pre_transpout): New variable.
4726 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4727 (compute_pre_transpout): Calculate it.
4728 (compute_pre_ppinout): Use it to eliminate impossible placements
4729 due to abnormal control flow through calls.
4730 (compute_pre_data): Call compute_pre_transpout.
4732 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4734 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4736 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4738 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4739 and matching define_insns): Tack on a `use' of the table label, so
4740 flow analysis will recognize a tablejump.
4742 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4744 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4745 always end basic blocks for abnormal edge reasons.
4747 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4749 * config/i386/i386.h: Remove definition of
4750 HANDLE_PRAGMA_PACK_PUSH_POP.
4752 * config/i386/go32.h: Add definition of
4753 HANDLE_PRAGMA_PACK_PUSH_POP.
4755 * config/i386/win32.h: Add definition of
4756 HANDLE_PRAGMA_PACK_PUSH_POP.
4758 * config/i386/cygwin32.h: Add definition of
4759 HANDLE_PRAGMA_PACK_PUSH_POP.
4761 * c-pragma.c (insert_pack_attributes): Do not insert
4762 attributes unless #pragma pack(push,<n>) is in effect.
4764 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4766 * expr.c (emit_group_store): Handle a PARALLEL destination.
4768 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4770 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4771 the new insns before the argument regs are loaded.
4773 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4775 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4776 (c-parse.gperf): Update comments describing invocation flags.
4777 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4779 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4781 * reload1.c (reload): Call free before clobbering the memory
4782 locations or constants pointers.
4784 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4786 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4787 for efficiency by checking whether we need to modify the current
4788 stack permission at all.
4789 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4790 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4791 __enable_execute_stack libcall here too if
4792 TRANSFER_FROM_TRAMPOLINE is defined.
4793 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4796 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4798 * Makefile.in (DRIVER_DEFINES): Remove last change.
4800 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4802 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4803 insns we're going to copy.
4804 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4806 * loop.c (count_one_set): Add prototype.
4808 * caller-save.c (restore_referenced_regs): Lose mode argument.
4809 (insert_save): Lose mode argument.
4810 (insert_restore): Lose mode argument.
4811 (insert_one_insn): Lose mode argument.
4812 (save_call_clobbered_regs): Lose mode argument.
4813 (setup_save_areas): Take no argument and return void. All callers
4815 Don't verify validity of memory addresses.
4816 * reload.h (setup_save_ares): Adjust prototype.
4817 (save_call_clobbered_regs): Likewise.
4818 * reload1.c (delete_caller_save_insns): New function.
4819 (caller_save_spill_class): Delete variable.
4820 (caller_save_group_size): Delete variable.
4821 (reload): Call setup_save_areas and save_call_clobbered_regs
4822 in the main loop, before calling calculate_needs_all_insns.
4823 Don't call save_call_clobbered_regs after the loop.
4824 Call delete_caller_save_insns at the end of an iteration if
4826 Delete code to manage caller_save_spill_class.
4827 Emit the final note before setting reload_first_uid.
4828 Simplify test that determines whether reload_as_needed gets run.
4829 (calculate_needs): Delete code to manage caller_save_spill_class.
4831 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4833 * collect2.c (main): Initialize ld_file_name.
4835 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4837 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4838 check for flag_function_sections.
4840 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4842 * cse.c (insert_regs): Fix bug in Sep 24 change.
4844 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4846 * flags.h (flag_dump_unnumbered): Declare.
4847 * toplev.c (flag_dump_unnumbered): Don't declare.
4848 * print-rtl.c (flags.h): Include.
4849 (print_rtl_single): Add return value.
4850 * rtl.h (print_rtl_single): Update declaration.
4851 * flow.c (flag_dump_unnumbered): Don't declare.
4852 (print_rtl_with_bb): Use return value of print_rtl_single.
4854 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4856 * loop.c (count_one_set): New static function, broken out of
4858 (count_loop_regs_set): Call it.
4859 * global.c (mark_reg_store): Handle clobbers here by not calling
4861 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4862 is in fact a clobber.
4863 * integrate.c (process_reg_param): New function, broken out of
4864 expand_inline_function.
4865 (expand_inline_function): Call it.
4868 * i386.md (addsidi3_1): Delete unused variable temp.
4869 (addsidi3_2): Likewise.
4870 (clstrstrsi): Delete unused variable addr1.
4872 * rtl.h: Don't declare any functions also declared in recog.h.
4874 * Makefile.in (stupid.o): Update dependencies.
4875 (global.o): Likewise.
4877 * global.c: Include reload.h
4878 (reg_becomes_live): New function.
4879 (reg_dies): New function.
4880 (build_insn_chain): New function.
4881 (global_alloc): Call build_insn_chain before calling reload.
4883 * reload.h (struct needs): New structure definition.
4884 (struct insn_chain): Likewise.
4885 (reload_insn_chain): Declare variable.
4886 (new_insn_chain): Declare function.
4889 * reload1.c (reload_startobj): New variable.
4890 (reload_insn_chain): New variable.
4891 (unused_insn_chains): New variable.
4892 (new_insn_chain): New function.
4893 (init_reload): Initialize reload_startobj, not reload_firstobj.
4894 (reload): Initialize reload_firstobj.
4895 Before returning, free everything on the reload_obstack.
4897 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4898 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4899 current_chain): New variables.
4900 (reg_where_born): Delete variable.
4901 (REG_WHERE_BORN): New macro.
4902 (find_clobbered_regs): New function.
4903 (stupid_life_analysis): Don't allocate/free reg_where_born.
4904 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4905 reg_where_dead_chain.
4906 Use REG_WHERE_BORN instead of reg_where_born.
4907 While processing the insns, build the reload_insn_chain with
4908 information about register lifetimes.
4909 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4910 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4912 Compute and information about birth and death of pseudo registers in
4913 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4914 Delete code to set elements of reg_where_born.
4916 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4918 * tree.def (GOTO_EXPR): Modified documentation.
4919 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4922 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4924 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4925 loop_final_value, loop_comparison_code): No longer static.
4926 (unroll_loop): Delete loop_start_value update.
4927 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4928 loop_final_value, loop_comparison_code): Extern.
4929 (loop_start_value): Delete extern.
4930 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4931 loop_comparison_value, loop_comparison_code): Delete.
4932 (loop_optimize): Remove initialization for deleted variables.
4933 (strength_reduce): Delete analyze_loop_iterations call. Only call
4934 insert_bct if flag_branch_count_on_reg set.
4935 (analyze_loop_iterations): Delete.
4936 (insert_bct): Remove iteration count calculation. Move checks for
4937 viable BCT optimization to here. Obtain iteration count from
4938 loop_iterations and correct for unrolling. Check for enough
4939 iteration to be beneficial. Comment out runtime iteration count
4941 (insert_bct): Print iteration count in dump file. Remove
4942 loop_var_mode and use word_mode directly.
4944 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4945 * rs6000.c (rs6000_override_options): Use it.
4946 (optimization_options): Enable use of flag_branch_on_count_reg.
4947 * rs6000.md (define_function_unit): Describe 604e.
4949 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4951 * loop.c (move_movables): Corrected threshold calculation for
4952 moved_once registers.
4954 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4956 * loop.c (combine_givs_p): Fix test for identical givs.
4958 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4960 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4961 call abort if the function is already defined.
4963 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4965 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4966 truncation is not a no-op.
4968 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4970 * version.c: Bump for snapshot.
4972 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4974 * version.c: Bump for snapshot.
4976 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4978 * expmed.c (expand_divmod): Don't widen for computing remainder
4979 if we seem to have a divmod pattern for needed mode.
4981 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4983 * cpplib.c (macroexpand): Correct off-by-one error in handling
4986 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4988 * combine.c (expand_field_assignment): Don't do bitwise operations
4989 on MODE_FLOAT; pun to MODE_INT if possible.
4991 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4992 scott snyder <snyder@d0sgif.fnal.gov>
4994 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4995 linker. Recognize mangled names in quotes.
4997 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4999 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5000 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5001 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5002 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5004 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5006 * function.c (purge_addressof_1): If trying to take a sub-word
5007 integral piece of a floating point mode, put it on the stack.
5009 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5011 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5013 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5015 * PROJECTS: Remove template friends.
5017 * collect2.c (sort_ids): Remove unused variable.
5019 * tm.texi (MATH_LIBRARY): Document.
5020 (NEED_MATH_LIBRARY): Remove.
5022 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5023 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5025 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5027 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5028 last_end to 0x7fffffff.
5030 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5032 * function.c (purge_addressof_1): Do not perform endianness
5033 corrections on bitpos, who we call will do it for us.
5035 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5037 * h8300.c (WORD_REG_USED): Fix typo.
5038 (initial_offset): Use WORD_REG_USED.
5040 * h8300.c (handle_pragma): Fix typo.
5042 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5044 * caller-save.c (insert_save_restore): Break this function up
5045 into new functions insert_restore, insert_save and insert_one_insn.
5046 All callers changed.
5047 (insert_restore): New function, mostly broken out of
5048 insert_save_restore.
5049 (insert_save): Likewise.
5050 (insert_one_insn): Likewise.
5051 (restore_referenced_regs): New argument BLOCK. All callers changed.
5052 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5053 in this function, do it in insert_one_insn instead.
5055 * reload1.c (reload): Break out some more pieces into separate
5057 (dump_needs): New function, broken out of reload.
5058 (set_initial_elim_offsets): Likewise.
5059 (init_elim_table): Likewise.
5060 (update_eliminables): Likewise.
5062 * global.c (global_alloc): Delete code to manage the scratch_list.
5063 * local-alloc.c (qty_scratch_rtx): Delete.
5064 (scratch_block): Delete.
5065 (scratch_list): Delete.
5066 (scratch_list_length): Delete.
5067 (scratch_index): Delete.
5068 (alloc_qty_for_scratch): Delete.
5069 (local-alloc): Update initialization of max_qty.
5070 Delete code to manage the scratch list.
5071 Delete code to allocate/initialize qty_scratch_rtx.
5072 (block_alloc): Don't allocate quantities for scratches.
5073 Delete code to manage the scratch list.
5074 * regs.h (scratch_list): Delete declaration.
5075 (scratch_block): Delete declaration.
5076 (scratch_list_length): Delete declaration.
5077 * reload1.c (reload): Delete code to manage the scratch list.
5078 (spill_hard_reg): Likewise.
5079 (mark_scratch_live): Delete.
5081 * recog.c (alter_subreg): Delete declaration.
5083 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5085 * Makefile.in (cccp.o): Fix typo in last patch.
5087 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5089 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5090 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5092 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5094 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5095 NULL_RTX as an argument.
5097 * Makefile.in (unlibsubdir): Define.
5098 (DRIVER_DEFINES): Use unlibsubdir.
5099 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5100 (stmp-fixinc): Similarly.
5102 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5104 * regmove.c (regmove_optimize): Add variable old_max_uid.
5105 At the end of the function, update basic_block_end.
5107 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5109 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5110 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5113 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5115 * config/arm/arm.c: Improve interworking support.
5117 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5119 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5120 copied from reload_out[r] .
5122 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5124 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5125 with more than three size ranges.
5127 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5129 * rtl.c (mode_name): Add a null string at the end of the array.
5130 (mode_wider_mode): Change type to unsigned char.
5131 (mode_mask_array): New variable.
5132 (init_rtl): Update for mode_wider_mode type change.
5134 * rtl.h (mode_wider_mode): Change type to unsigned char.
5135 (mode_mask_array): Declare.
5136 (GET_MODE_MASK): Use mode_mask_array.
5138 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5140 * calls.c (expand_call) : Encapsulate code into
5141 copy_blkmode_from_reg.
5142 * expr.c (copy_blkmode_from_reg): New function.
5143 * expr.h (copy_blkmode_from_reg): New function.
5144 * integrate.c (function_cannot_inline_p): We can inline
5146 (expand_inline_function): Use copy_blkmode_from_reg
5147 if needed. Avoid creating BLKmode REGs.
5148 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5151 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5153 * config/v850/v850.c: Add function prototypes.
5154 Add support for v850 special data areas.
5156 * config/v850/v850.h: Add support for v850 special data areas.
5158 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5159 HANDLE_PRAGMA_PACK_PUSH_POP.
5160 (push_alignment): New function: Cache an alignment requested
5161 by a #pragma pack(push,<n>).
5162 (pop_alignment): New function: Pop an alignment from the
5164 (insert_pack_attributes): New function: Generate __packed__
5165 and __aligned__ attributes for new decls whilst a #pragma pack
5167 (add_weak): New function: Cache a #pragma weak directive.
5168 (handle_pragma_token): Document calling conventions. Add
5169 support for #pragma pack(push,<n>) and #pragma pack (pop).
5171 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5172 are defined enable HANDLE_PRAGMA_PACK.
5173 Move 'struct weak_syms' here (from varasm.c).
5174 Add pragma states for push and pop pragmas.
5176 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5179 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5180 HANDLE_GENERIC_PRAGMAS.
5182 * varasm.c: Move definition of 'struct weak_syms' into
5184 (handle_pragma_weak): Deleted.
5186 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5188 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5190 * c-decl.c (start_function): Add invocation of
5191 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5193 * tm.texi: Remove description of non-existant macro
5194 SET_DEFAULT_SECTION_NAME.
5196 (HANDLE_SYSV_PRAGMA): Document.
5197 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5199 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5201 * config.sub: Recognize i[34567]86-pc-udk as new target.
5202 * configure.in: Likewise.
5203 * config/i386/t-udk: New file.
5204 * config/i386/udk.h: New file.
5206 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5208 * reorg.c (check_annul_list_true_false): Remove unused variables.
5209 (steal_delay_list_from_target): Add missing "used_annul" variable.
5210 (try_merge_delay_insns): Close out half formed comment.
5212 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5214 * cpplib.c (macroexpand): If arg->raw_before or
5215 arg->raw_after, remove any no-reexpansion escape at the
5216 beginning of the pasted token. Correct handling of whitespace
5217 markers and no-reexpand markers at the end if arg->raw_after.
5219 * toplev.c (documented_lang_options): Recognize -include,
5220 -imacros, -iwithprefix, -iwithprefixbefore.
5221 * cpplib.c (cpp_start_read): Process -imacros and -include
5222 switches at the same time and in command-line order, after
5223 initializing the dependency-output code. Emit properly nested
5224 #line directives for them. Emit a #line for the main file
5225 before processing these switches, and don't do it again
5228 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5230 * function.c (purge_addressof_1): Use bitfield manipulation
5231 routines to handle mem mode < reg mode.
5233 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5235 * reorg.c (try_merge_delay_insns): Account for resources referenced
5236 in each instruction in INSN's delay list before trying to eliminate
5237 useless instructions. Similarly when looking at a trial insn's delay
5240 * reorg.c (check_annul_list_true_false): New function.
5241 (steal_delay_list_from_{target,fallthrough}): Call it and also
5242 refine tests for when we may annul if already filled a slot.
5243 (fill_slots_from_thread): Likewise.
5244 (delete_from_delay_slot): Return newly-created thread.
5245 (try_merge_delay_isns): Use its new return value.
5247 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5249 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5250 used to compute a giv or as some other non-counting use.
5252 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5254 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5255 * local-alloc.c (find_free_reg): Use it.
5256 * global.c (find_reg): Likewise.
5257 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5259 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5260 * caller-save.c (init_caller_save): Use it.
5261 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5263 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5265 * configure.in: Add --enable-cpplib option which uses cpplib
5266 for cpp, but doesn't link cpplib into cc1. Make help text
5267 capitalization consistent.
5268 * configure: Rebuilt.
5270 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5272 * function.c (gen_mem_addressof): If the address REG is
5273 REG_USERVAR_P make the new REG be so also.
5274 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5275 in an attempt to clarify slightly.
5277 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5279 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5280 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5282 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5284 * toplev.c: Fix last patch.
5286 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5288 * loop.c (get_condition): Fix typo in May 9 change.
5290 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5292 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5294 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5296 * toplev.c (documented_lang_options): Spelling corrections.
5298 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5300 * configure.in: new flags --with-ld and --with-as, equivalent
5301 to setting LD and AS environment variables. Test whether
5302 specified arguments are GNU commands, and report them with
5303 checking messages. Use the specified AS for configure
5306 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5308 * gcc.c (find_a_file): when looking for `as' and `ld', return
5309 the DEFAULT program if it exists
5310 * collect2.c (main): use DEFAULT_LINKER if it exists
5312 * gcc.c (find_a_file): the test for existence of a full
5313 pathname was reversed
5315 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5317 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5318 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5320 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5322 * tree.h (TYPE_BINFO): Document.
5324 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5326 * i386-coff.h (dbxcoff.h): Added.
5328 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5330 * toplev.c: fix bad patch around flag_data_sections.
5332 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5334 * reload1.c (reload): Use reload_address_index_reg_class and
5335 reload_address_base_reg_class when setting
5336 caller_save_spill_class. (Patch generated by Jim Wilson:
5339 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5341 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5342 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5343 * expr.c (store_field): Add alias_set parameter. Set the
5344 MEM_ALIAS_SET accordingly, if the target is a MEM.
5345 (expand_assignment): Use it.
5346 (store_constructor_field): Pass 0.
5347 (expand_expr): Likewise.
5349 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5351 * flags.h: Add flag_data_sections.
5352 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5353 (compile_file): Error if flag_data_sections not supported.
5354 * varasm.c (assemble_variable): Handle flag_data_sections.
5355 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5356 * config/mips/elf.h: Likewise.
5357 * config/mips/elf64.h: Likewise.
5358 * invoke.texi: Describe -fdata-sections.
5360 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5362 * invoke.texi (-ffloat-store): Clarify that this option
5363 does not affect intermediate results -- only variables.
5365 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5367 * cpp.texi: Update for Fortran usage from Craig.
5369 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5371 * rs6000.c (function_arg_boundary): Revert accidental change on
5374 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5376 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5377 (output_mi_thunk): Declare.
5379 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5380 (output_function_profiler): Use r12 for temp, instead of r11 so
5381 that we preserve the static chain register.
5383 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5385 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5387 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5389 * sh.c (gen_shl_sext): Fix case 5.
5391 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5393 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5395 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5397 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5398 accessing variables until they are initialized via va_arg().
5400 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5402 * reload1.c (reload_combine): Initialize set before using.
5404 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5406 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5409 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5411 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5412 operand3 with mask before using it. Patch provided by Jim Wilson.
5414 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5416 * config/sparc/sparc.c (function_value): Perform the equivalent of
5417 PROMOTE_MODE for ARCH64.
5418 (eligible_for_epilogue_delay): Allow DImode operations in delay
5419 slot of a return for ARCH64.
5421 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5423 * sh.md (sqrtsf2): Fix mode of sqrt.
5425 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5427 * reload1.c (choose_reload_regs): Also try inheritance when
5428 reload_in is a stack slot of a pseudo, even if we already got a
5431 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5433 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5434 (reload_cse_regs): New function body: call reload_cse_regs_1,
5435 reload_combine, reload_cse_move2add.
5436 When doing expensive_optimizations, call reload_cse_regs_1 a
5437 second time after reload_cse_move2add.
5438 (reload_combine, reload_combine_note_store): New functions.
5439 (reload_combine_note_use): New function.
5440 (reload_cse_move2add, move2add_note_store): New functions.
5442 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5444 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5445 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5447 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5448 more than 3 such reloads.
5450 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5451 RELOAD_FOR_X_ADDR_ADDR reload.
5453 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5455 * expr.c (store_constructor): When initializing a field that is smaller
5456 than a word, at the start of a word, try to widen it to a full word.
5458 * cse.c (cse_insn): When we are about to change a register,
5459 remove any invalid references to it.
5461 (remove_invalid_subreg_refs): New function.
5462 (mention_regs): Special treatment for SUBREGs.
5463 (insert_regs): Don't strip SUBREG for call to mention_regs.
5464 Check if reg_tick needs to be bumped up before that call.
5465 (lookup_as_function): Try to match known word_mode constants when
5466 looking for a norrower constant.
5467 (canon_hash): Special treatment for SUBREGs.
5469 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5471 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5472 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5473 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5474 and offsets in actual stack trampoline code so they match the
5475 commentary and actually work.
5477 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5479 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5481 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5482 tmake_file. Set extra_parts to needed crt objects.
5483 * configure: Rebuilt.
5484 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5485 (TARGET_DEFAULT): Set if default is v9 or ultra.
5486 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5487 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5488 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5489 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5490 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5491 (TARGET_VERSION): Define.
5492 (MULTILIB_DEFAULT): Define.
5493 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5494 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5495 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5497 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5498 * config/sparc/sparc.c (sparc_override_options): If arch and
5499 pointer size disagree, emit diagnostic and fix it up. If
5500 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5501 V8PLUS in 64-bit mode.
5502 * config/sparc/t-linux64: New file.
5503 * config/sparc/t-sol2-64: New file.
5504 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5505 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5506 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5507 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5508 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5509 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5511 (STARTFILE_SPEC): Set approriately based upon those.
5512 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5513 disposition of DEFAULT_ARCH32_P.
5514 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5515 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5516 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5517 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5518 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5520 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5522 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5524 * rtl.h (init_virtual_regs): New function.
5525 * emit-rtl.c (init_virtual_regs): Define.
5526 (insn_emit): Use it.
5527 * integrate.c (save_for_inline_copying): Likewise.
5529 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5531 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5532 (enum reg_class): Add NONARG_LO_REGS support.
5533 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5534 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5535 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5536 completes. Re-enable HImode REG+OFFSET addresses.
5537 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5539 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5541 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5543 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5544 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5545 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5547 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5549 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5550 jumps as a single entity, taking into account the size of the
5553 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5555 * tree.def (SWITCH_EXPR): New tree node definition.
5557 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5559 * version.c: Bump for snapshot.
5561 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5563 * version.c: Bump for snapshot.
5565 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5567 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5570 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5572 * Revert this patch.
5573 * reload.c (find_reloads): Do not replace a pseudo with
5574 (MEM (reg_equiv_addr)) in the initializing insn for the
5577 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5579 * final.c (final_scan_insn): Disable tracking CC across branches.
5581 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5583 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5584 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5585 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5586 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5587 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5589 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5591 * toplev.c (rest_of_compilation): Skip compiling anything with
5592 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5594 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5596 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5597 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5598 use in_libcall_block.
5599 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5600 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5603 Mon Sep 21 14:02:23 1998
5605 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5606 typo in no-fancy-math-387 description.
5608 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5610 * version.c: Bump for snapshot.
5612 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5614 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5616 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5618 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5619 documented in install.texi.
5620 (TARGET_OPTIONS) Likewise.
5622 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5624 * version.c: Bump for snapshot.
5626 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5628 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5629 * cccp.c (main): Likewise.
5631 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5632 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5635 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5637 * Makefile.in (LIBS): Link in libiberty.a.
5638 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5640 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5642 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5643 it to update bb boundaries. Update caller.
5644 * function.c (reposition_prologue_and_epilogue_notes): Update
5645 bb boundaries wrt the moved note.
5647 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5649 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5651 * configure: Regenerate.
5653 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5655 * alpha.c (alpha_sr_alias_set): New variable.
5656 (override_options): Set it.
5657 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5658 (mode_mask_operand): Fix signed-unsigned comparision warning.
5659 (alpha_expand_block_move): Likewise.
5660 (print_operand): Likewise.
5661 (get_aligned_mem): Use change_address.
5662 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5663 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5664 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5665 (alpha_align_insns): Remade from old alphaev5_align_insns
5666 to handle multiple processors.
5667 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5668 * output.h (label_to_alignment): Prototype.
5670 * tree.c (new_alias_set): New function.
5671 * tree.h (new_alias_set): Declare it.
5672 * c-common.c (c_get_alias_set): Use it.
5674 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5676 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5677 to an ABS expr, convert an unsigned input to signed.
5679 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5681 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5683 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5685 * configure.in: Add support for c4x targets.
5686 * configure: Rebuilt.
5688 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5690 * combine.c (distribute_notes): If an insn is a cc0 user, only
5691 delete it if we can also delete the cc0 setter.
5693 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5695 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5696 (invert_truthvalue): Enable truthvalue inversion for
5697 floating-point operands if -ffast-math.
5699 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5701 * configure.in: Disable collect2 for nextstep. Instead use
5703 * configure: Rebuilt.
5704 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5705 (ENDFILE_SPEC): Define.
5706 (OBJECT_FORMAT_MACHO): Define.
5707 (EH_FRAME_SECTION_ASM_OP): Define.
5708 * crtstuff.c: Handle MACHO.
5710 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5712 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5714 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5716 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5717 (_fpadd_parts): Get sign right for 0.
5719 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5721 * ginclude/varargs.h: Add support for C4x target.
5722 * ginclude/stdargs.h: Likewise.
5724 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5726 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5727 (alpha_emit_set_long_const): Rewrite to be callable from reload
5729 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5730 * alpha.md (movdi): Likewise.
5732 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5734 * arm.c (add_constant): New parameter address_only, change caller.
5735 Set it non-zero if taking the address of an item in the pool.
5736 (arm_reorg): Handle cases where we need the address of an item in
5739 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5741 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5742 memory addresses that are not in standard canonical form.
5744 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5746 * README.C4X: New file with information about the c4x ports.
5747 * ginclude/va-c4x.h: New file for c4x varargs support.
5748 * config/c4x: New directory with c4x port files.
5750 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5752 * reload.c (find_reloads): Do not replace a pseudo with
5753 (MEM (reg_equiv_addr)) in the initializing insn for the
5756 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5758 * toplev.c (rest_of_compilation): Set bct_p on second call to
5760 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5762 (strength_reduce): Only call analyze_loop_iterations and
5763 insert_bct if bct_p set.
5764 (check_dbra_loop): Fix typo.
5765 (insert_bct): Use word_mode instead of SImode.
5766 (instrument_loop_bct): Likewise. Do not delete iteration count
5767 condition code generation insn. Initialize iteration count before
5769 * rtl.h (loop_optimize): Update prototype.
5771 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5772 not doubleword aligned.
5774 * rs6000.c (optimization_options): New function.
5775 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5776 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5777 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5778 first; cr1 can be used for FP record condition insns.
5780 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5782 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5785 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5788 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5790 (block_move_call): New function: Call a library routine to copy a
5792 (m32r_expand_block_move): New function: Expand a "movstrsi"
5793 pattern into a sequence of insns.
5794 (m32r_output_block_move): New function: Expand a
5795 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5796 (m32r_block_immediate_operand): New function: Return true if the
5797 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5799 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5801 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5803 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5805 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5807 * regmove.c (copy_src_to_dest): Check that modes match.
5809 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5811 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5813 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5815 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5816 narrower than FLOAT_REGS.
5818 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5820 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5822 * Makefile.in (old_gxx_include_dir): removed
5824 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5826 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5829 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5830 (sh_handle_pragma): Change function arguments to match new
5831 specification for HANDLE_PRAGMA.
5833 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5835 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5837 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5838 When generating output, initialize missing struct member to zero.
5840 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5842 * regmove.c (copy_src_to_dest): Don't copy if that requires
5843 (a) new register(s).
5845 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5847 * global.c (reg_allocno): Now static.
5848 * reload1.c (reg_allocno): Delete declaration.
5849 (order_regs_for_reload): Take no arguments. Don't treat regs
5850 allocated by global differently than those allocated by local-alloc.
5852 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5854 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5855 condition, fix format strings.
5856 (output_function_epilogue): Likewise.
5858 * m68k/m68k.c: Don't include <stdlib.h> directly.
5860 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5862 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5863 mem_first_set, mem_last_set; because 0 can be a CUID.
5864 (oprs_unchanged_p): Use new definition.
5865 (record_last_reg_set_info): Likewise.
5866 (record_last_mem_set_info): Likewise.
5867 (compute_hash_table): Likewise.
5869 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5871 * rs6000.c (output_epilogue): Handle Chill.
5873 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5874 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5876 * combine.c (make_extraction): If no mode is specified for
5877 an operand of insv, extv, or extzv, default it to word_mode.
5878 (simplify_comparison): Similarly.
5879 * expmed.c (store_bit_field): Similarly.
5880 (extract_bit_field): Similarly.
5881 * function.c (fixup_var_regs_1): Similarly.
5882 * recog.c (validate_replace_rtx_1): Similarly.
5883 * mips.md (extv, extzv, insv expanders): Default modes for most
5884 operands. Handle TARGET_64BIT.
5885 (movdi_uld, movdi_usd): New patterns.
5887 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5888 equivalent memory location unless we have been provided a scratch
5889 register. Similarly do not call find_replacement unless a
5890 scratch register has been provided.
5892 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5894 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5897 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5899 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5900 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5901 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5902 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5903 * c-decl.c (init_decl_processing): Update accordingly.
5904 * expr.c (expand_builtin): Likewise.
5906 * rtl.h (global_rtl): Add cfa entry.
5907 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5908 (LAST_VIRTUAL_REGISTER): Update.
5909 * emit-rtl.c (global_rtl): Add cfa entry.
5910 (init_emit): Initialize it.
5911 * function.c (cfa_offset): New.
5912 (instantiate_virtual_regs): Initialize it.
5913 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5914 (expand_function_end): Call expand_eh_return.
5915 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5917 * except.c (current_function_eh_stub_label): Kill.
5918 (current_function_eh_old_stub_label): Likwise; update all references.
5919 (expand_builtin_set_return_addr_reg): Kill.
5920 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5921 (expand_builtin_set_eh_regs): Kill.
5922 (eh_regs): Produce a third reg for the actual handler address.
5923 (eh_return_context, eh_return_stack_adjust): New.
5924 (eh_return_handler, eh_return_stub_label): New.
5925 (init_eh_for_function): Initialize them.
5926 (expand_builtin_eh_return, expand_eh_return): New.
5927 * except.h: Update prototypes.
5928 * flow.c (find_basic_blocks_1): Update references to the stub label.
5929 * function.h (struct function): Kill stub label elements.
5931 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5932 register number is one that would be in the previous window.
5933 Provide a dummy definition for non-windowed targets.
5934 (get_reg_addr): New function.
5935 (get_reg, put_reg, copy_reg): Use it.
5936 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5937 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5939 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5940 (alpha_init_expanders): Initialize it.
5941 (alpha_expand_epilogue): Use it.
5942 * alpha.h: Declare it.
5943 * alpha.md (eh_epilogue): New.
5945 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5946 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5948 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5950 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5953 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5955 * except.h (struct eh_entry): Add false_label field.
5956 (end_catch_handler): Add prototype.
5957 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5958 (start_catch_handler): When using old style exceptions, issue
5959 runtime typematch code before continuing with the handler.
5960 (end_catch_handler): New function, generates label after handler
5961 if needed by older style exceptions.
5962 (expand_start_all_catch): No need to check for new style exceptions.
5963 (output_exception_table_entry): Only output the first handler label
5964 for old style exceptions.
5965 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5966 mechanism into one function, if a runtime matcher is provided.
5968 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5970 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5972 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5974 * integrate.c (copy_decl_list): Fix typo.
5976 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5978 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5981 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5983 * version.c: Bump for snapshot.
5985 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5987 * version.c: Bump for snapshot.
5989 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5991 * version.c: Bump for snapshot.
5993 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5995 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5997 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5999 * configure.in: remove usage of `!' to negate the result of a
6000 command; some common shells do not support it
6002 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6004 * configure.in: in sparc9-sol2 config, use 'if test' not
6006 * configure: Rebuilt.
6008 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6010 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6011 (CPP_CPU_DEFAULT_SPEC): Likewise.
6012 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6013 for arch64 libfuncs.
6015 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6018 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6020 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6022 * collect2.c: Don't declare `sys_siglist' here.
6023 (my_strsignal): Prototype and define new function. Use it in
6024 place of `sys_siglist' hacks.
6026 * mips_tfile.c: Likewise.
6028 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6029 (GCC_NEED_DECLARATIONS): Likewise.
6031 * system.h (strsignal): Prototype it, if necessary.
6032 (sys_siglist): Declare it, if necessary.
6034 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6036 * loop.c (move_movables): While removing insn sequences, preserve
6037 the next pointer of the most recently deleted insn when we skip
6040 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6042 * objc/config-lang.in: Do not output the name of the selected
6043 thread file when building the front-end. The Makefile for the
6044 runtime library will do this.
6046 * objc/Make-lang.in: Do not build the runtime library or install
6047 the Objective C header files. The Makefile for the runtime
6048 library will do this.
6050 * objc/Makefile.in (all.indirect): Only build the front-end.
6051 (compiler): Rename to `frontend'.
6052 (obj-runtime): Remove target.
6053 (copy-headers): Likewise.
6054 (clean): No need to remove `libobjc.a' any longer.
6056 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6058 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6059 supported with -mcpu=xxx.
6061 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6063 * flow.c (mark_set_1): Recognize multi-register structure return
6064 values in CALL insns.
6065 (mark_used_regs): Likewise.
6066 (count_reg_sets_1): Likewise.
6067 (count_reg_references): Likewise.
6068 * rtlanal.c (note_stores): Likewise.
6069 (reg_overlap_mentioned_p): Likewise.
6070 * haifa-sched.c (check_live_1): Likewise.
6071 (update_live_1): Likewise.
6072 (sched_analyze_1): Likewise.
6073 (sched_note_set): Likewise.
6074 (birthing_insn_p): Likewise.
6075 (attach_deaths): Likewise.
6077 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6080 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6082 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6084 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6086 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6088 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6090 * configure.in: Add check for GAS subsection -1 support.
6091 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6092 * configure config.in: Rebuilt.
6093 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6094 SImode is subsection -1 works, else use DImode.
6095 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6096 subsection -1 works.
6097 * config/sparc/sparc.c (sparc_output_addr_vec,
6098 sparc_output_addr_diff_vec): Use them if defined.
6100 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6102 * tree.h (DECL_ORIGIN): New macro.
6103 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6104 (copy_decl_list): Use it.
6105 (integrate_parm_decls): Likewise.
6106 (integrate_decl_tree): Likewise.
6107 * dwarf2out.c (decl_ultimate_origin): Simplify.
6108 * dwarfout.c (decl_ultimate_origin): Likewise.
6109 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6110 (pushdecl): Likewise.
6112 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6114 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6116 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6118 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6120 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6122 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6123 empty or has a single entry.
6125 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6126 before calling reg_to_stack.
6128 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6130 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6131 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6133 * c-tree.h (warn_long_long): Declare it.
6135 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6137 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6138 initialized float-int union if the value is a NaN.
6140 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6142 * c-lex.c (real_yylex): Don't warn about long long constants if
6143 we're allowing long long
6145 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6147 * except.h (current_function_eh_stub_label): Declare.
6148 (current_function_eh_old_stub_label): Declare.
6149 * function.h (struct function): New members eh_stub_label and
6151 * except.c (current_function_eh_stub_label): New variable.
6152 (current_function_eh_old_stub_label): New variable.
6153 (init_eh_for_function): Clear them.
6154 (save_eh_status): Save them.
6155 (restore_eh_status): Restore them.
6156 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6157 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6158 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6159 make an edge from the block that contains it to the block starting
6160 with the label if this label is one of the eh stub labels.
6161 If eh stub labels exist, show they are reachable from the last block
6164 * reload1.c (reload): Break out several subroutines and make some
6166 (calculate_needs_all_insns): New function, broken out of reload.
6167 (calculate_needs): Likewise.
6168 (find_reload_regs): Likewise.
6169 (find_group): Likewise.
6170 (find_tworeg_group): Likewise.
6171 (something_needs_reloads): New global variable, formerly in reload.
6172 (something_needs_elimination): Likewise.
6173 (caller_save_spill_class): Likewise.
6174 (caller_save_group_size): Likewise.
6175 (max_needs): Likewise.
6176 (group_size): Likewise.
6177 (max_groups): Likewise.
6178 (max_nongroups): Likewise.
6179 (group_mode): Likewise.
6180 (max_needs_insn): Likewise.
6181 (max_groups_insn): Likewise.
6182 (max_nongroups_insn): Likewise.
6183 (failure): Likewise.
6185 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6187 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6189 * loop.c (load_mems): Copy rtx for output mem.
6191 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6193 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6194 mips1 or mips2 either.
6196 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6198 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6200 (pa_adjust_insn_length): Update to work with new marking scheme
6201 for jumps inside switch tables.
6202 * pa.md (switch_jump): Remove pattern.
6203 (jump): Handle jumps inside jump tables.
6205 * Makefile.in (profile.o): Depend on insn-config.h
6207 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6209 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6211 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6213 Add preliminary native sparcv9 Solaris support.
6214 * configure.in: Recognize sparv9-*-solaris2*
6215 * configure: rebuilt
6216 * config.sub: Recognize sparcv9 just like sparc64.
6217 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6218 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6219 32-bit and 64-bit Solaris systems.
6220 * config/sparc/t-sol2: Assemble those with cpp.
6221 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6222 (*TF*_LIBCALL): If ARCH64 use V9 names.
6223 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6225 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6227 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6228 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6230 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6232 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6233 to Pmode if CASE_VECTOR_MODE is something else.
6235 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6237 * prefix.c (update_path): Correctly handle cases where PATH is
6238 a substring of the builtin prefix, but specifies a different
6241 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6243 * expr.c: Corrected comment about what MOVE_RATIO does.
6244 * config/alpha/alpha.h: Ditto.
6245 * config/1750a/1750a.h: Ditto.
6246 * config/clipper/clipper.h: Ditto.
6247 * config/i386/i386.h: Ditto.
6249 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6251 * configure.in (m68k-next-nextstep3*): Use collect2.
6252 Similarly for x86 NeXT configurations.
6253 * configure: Rebuilt.
6255 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6257 * configure.in: Don't assume srcdir is .../gcc
6258 * configure: Rebuilt.
6260 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6262 * global.c: Update comments.
6263 (global_alloc): Assign allocation-numbers
6264 even for registers allocated by local_alloc in case
6265 they are later spilled and retry_global_alloc is called.
6266 (mark_reg_store, mark_reg_clobber,
6267 mark_reg_conflicts, mark_reg_death): Always record a
6268 conflict with a pseudo register even if it has been
6269 assigned to a hard register.
6270 (dump_conflicts): Don't list pseudo registers already assigned to
6271 a hard register as needing to be allocated, but do list their
6273 * local-alloc.c: Update comment.
6275 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6277 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6278 * configure: Rebuilt.
6280 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6282 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6284 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6285 for all targets that set -msoft-float.
6287 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6289 * toplev.c (print_switch_values): Make static to match prototype.
6291 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6293 * configure.in: If we are unable to find the "gnatbind" program,
6294 then do not configure the ada subdir.
6295 * configure: Rebuilt.
6297 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6299 * version.c: Bump for snapshot.
6301 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6303 * version.c: Bump for snapshot.
6305 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6307 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6308 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6310 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6312 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6314 * genextract.c: Have insn-extract.c include toplev.h.
6316 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6318 * toplev.c: Include expr.h.
6319 (really_sorry, fancy_abort): Remove prototypes.
6320 (set_target_switch): Add argument in prototype.
6321 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6322 (v_really_sorry): Likewise.
6323 (print_version, print_single_switch, print_switch_values): Make
6324 static and add prototype arguments.
6325 (decl_printable_name): Add prototype arguments.
6326 (lang_expand_expr_t): New typedef.
6327 (lang_expand_expr): Declare as a lang_expand_expr_t.
6328 (incomplete_decl_finalize_hook): Add prototype argument.
6329 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6330 (botch): Likewise for variable `s'.
6331 (rest_of_type_compilation): Mark variables `type' and `toplev'
6332 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6333 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6334 (display_help): Make variable `i' an `unsigned long'.
6335 (main): Remove unused parameter `envp'.
6336 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6337 Cast -1 when comparing it with a `size_t'.
6339 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6340 prototype with ATTRIBUTE_NORETURN.
6341 (fatal_insn_not_found, fatal_insn, really_sorry,
6342 push_float_handler, pop_float_handler): Add prototypes.
6343 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6344 (do_abort, botch): Add prototypes.
6346 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6348 * final.c (final): If a label is reached only from a single jump,
6349 call NOTICE_UPDATE_CC on the jump and its predecessor before
6350 emitting the insn after the label.
6352 * i386.h: Add AMD K6 support.
6353 Change TARGET_* macros to use table lookup.
6354 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6355 (ADJUST_COST): Change definition to call function in i386.c.
6356 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6357 * i386.c: Add AMD K6 support.
6358 Add constants for feature tests used by TARGET_* macros.
6359 (split_di): If before reload, call gen_lowpart and gen_highpart.
6360 (x86_adjust_cost): New function.
6361 (put_jump_code): New function.
6362 (print_operand): New codes 'D' and 'd'.
6363 * i386.md: New insn types. New insn attribute "memory".
6364 Redefine scheduling parameters to use new types and add AMD K6
6365 support. Explicitly set type of most insns.
6366 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6367 Pro and K6 prefer movl $1,reg to incl reg.
6368 (adddi3, subdi3): Set cc_status.
6369 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6370 to int; x86 can't have more than 2^31 DImode shifts per file.
6371 (setcc): Combine all setcc patterns. Allow writing memory.
6372 Combine all jump patterns using match_operator.
6373 (*bzero): Name pattern. Emit mutliple stos instructions when that
6374 is faster than rep stos.
6375 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6378 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6380 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6383 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6385 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6386 not whatever we're generating now.
6388 * alpha.c (set_frame_related_p, FRP): New.
6389 (alpha_expand_prologue): Mark frame related insns.
6390 (alpha_expand_epilogue): Likewise, but with a null FRP.
6391 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6392 * alpha.md (exception_receiver): New.
6393 * alpha/crtbegin.asm (.eh_frame): New beginning.
6394 (__do_frame_setup, __do_frame_takedown): New.
6395 * alpha/crtend.asm (.eh_frame): New ending.
6396 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6397 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6398 (ASM_FILE_START): Don't emit .file for dwarf2.
6400 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6401 * rtl.c (reg_note_name): Likewise.
6402 * rtl.texi (REG_NOTES): Likewise.
6403 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6406 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6408 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6409 * i386.md (movsf, movdf, movxf): Validate memory address returned
6410 from force_const_mem. Kill useless REG_EQUAL setting code.
6412 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6414 * m68k.md (zero_extendsidi2): Fix typo.
6416 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6418 * configure.in: Removed references to the removed file
6419 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6420 * arm*-*-netbsd* and ns32k-*-netbsd*.
6421 * config/i386/xm-netbsd.h: Removed unnecessary file.
6422 * config/m68k/xm-netbsd.h: Likewise.
6423 * config/sparc/xm-netbsd.h: Likewise.
6424 * config/mips/xm-netbsd.h: Likewise.
6426 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6428 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6429 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6431 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6432 for exact section attributions.
6434 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6436 * i386/crtdll.h (CPP_PREDEFINES): Define.
6438 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6440 * m68k.md (5200 movqi): Do not allow byte sized memory references
6442 * m68k.c (output_move_qimode): Do not use byte sized operations on
6445 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6446 explicit rules for building. Similarly for alloca, vfprintf,
6447 choose-temp and mkstemp, getopt, getopt1, and obstack.
6448 (INCLUDES): Add $(srcdir)/../include.
6449 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6450 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6452 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6454 * gcc.c (do_spec_1): [case 'o'] Account for
6455 lang_specific_extra_outfiles.
6456 (main): Correctly clear all slots in outfiles for
6457 lang_specific_extra_outfiles. Set input_file_number before
6458 calling lang_specific_pre_link.
6460 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6462 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6464 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6466 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6468 (sparc_output_deferred_case_vectors): If no work to do, return.
6469 Fix thinko in Sept 1 change.
6471 1998-09-03 SL Baur <steve@altair.xemacs.org>
6473 * Makefile.in: add semicolon in BISON definition for portability.
6475 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6477 * config/nextstep.c (handle_pragma): Correct name of third
6480 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6482 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6483 * config/m32r/m32r.h: Make register 17 be fixed.
6484 * config/m32r/m32r.c: Use SImode for cc operations.
6486 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6488 * invoke.texi (Warning Options): Add -Wnon-template-friend
6491 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6493 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6495 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6497 * rs6000.md (movsf): Disable explicit secondary-reload-like
6498 functionality if TARGET_POWERPC64.
6499 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6502 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6504 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6505 and term.h from fixinc.wrap.
6507 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6509 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6510 safe to include both string.h and strings.h together.
6511 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6512 which headers to search for function declarations. Continue to
6513 prefer string.h over strings.h when both are not acceptable.
6515 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6517 * configure.in: Call GCC_HEADER_STRING.
6519 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6520 to include. Continue to prefer string.h over strings.h when both
6523 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6525 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6526 not assume top 32-bits of symbolic addresses are zero if
6529 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6531 * ginclude/va-alpha.h: Protect entire second portion of the
6532 file against double inclusion.
6534 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6536 Added support for the Boehm's garbage collector.
6537 * configure.in: Handle --enable-objc-gc.
6538 * configure: Rebuilt.
6539 * Makefile.in (CHECK_TARGETS): Add check-objc.
6540 (check-objc): New rule.
6541 * objc/Make-lang.in: Build a different Objective-C library that
6542 runs with the Boehm's collector.
6543 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6544 * objc/encoding.c: Correctly compute the size of compound types in
6545 the presence of bitfields. Skip the variable name of the type if
6546 any. Added support for long long.
6547 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6548 (_F_GCINVISIBLE): New mask.
6549 * objc/gc.c: New file. Compute the type memory mask associated with
6550 a class based on the runtime information.
6551 * objc/misc.c: Added the hooks that use the Boehm's collector
6552 allocation functions.
6553 * objc/objc-act.c (build_class_template): Generate a new class
6554 member (gc_object_type) to hold the class' type memory mask.
6555 (build_shared_structure_initializer): Initialize the new member to
6557 (encode_complete_bitfield): New function. Generate the new
6559 (encode_field_decl): Generate the new encoding only for the GNU
6561 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6563 (class_get_gc_object_type): New function to mark a pointer instance
6564 variable as a weak pointer.
6565 * objc/objc-features.texi: New file.
6566 * objc/objc.h (gc_object_type): New class member.
6567 * objc/objects.c (class_create_instance): Create a typed memory
6568 object when compiled with Boehm's collector support.
6569 * objc/sendmsg.c (__objc_init_install_dtable): Call
6570 __objc_send_initialize instead of setting the initialize flag.
6571 (__objc_send_initialize): Call __objc_generate_gc_type_description
6572 to generate the class type memory mask. Rewrite the code that
6573 sends the +initialize so that it is called only once (bug report
6574 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6575 * testsuite/objc: New testsuite for Objective-C type encoding.
6576 * testsuite/lib/objc-torture.exp: New file.
6577 * testsuite/lib/objc.exp: New file.
6579 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6581 * jump.c (jump_optimize): In if/then/else transformations, add
6582 another call to modified_between_p for the jump insn.
6584 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6586 * fix-header.c (symlink): Treat like readlink.
6588 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6590 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6593 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6595 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6596 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6597 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6599 * config/nextstep.c (handle_pragma): Take three arguments, as per
6600 the new HANDLE_PRAGMA macro specification.
6601 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6602 per the new HANDLE_PRAGMA macro specification.
6603 * config/i960/i960.c (process_pragma): Take three arguments, as
6604 per the new HANDLE_PRAGMA macro specification.
6606 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6608 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6609 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6610 if unknown pragmas are encountered.
6611 (handle_sysv_pragma): Interpret return code from
6612 handle_pragma_token (). Return success/failure indication rather
6613 than next unprocessed character.
6614 (pragma_getc): New function: retrieves characters from the
6615 input stream. Defined when HANDLE_PRAGMA is enabled.
6616 (pragma_ungetc): New function: replaces characters back into the
6617 input stream. Defined when HANDLE_PRAGMA is enabled.
6619 * c-pragma.c (handle_pragma_token): Return success/failure status
6622 * c-pragma.h: Change prototype of handle_pragma_token().
6624 * varasm.c: (handle_pragma_weak): Only create this function if
6625 HANDLE_PRAGMA_WEAK is defined.
6627 * c-common,c (decl_attributes): If defined call the expression
6628 contained within the INSERT_ATTRIBUTES macro before adding
6629 attributes to a decl.
6631 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6632 HANDLE_PRAGMA, which takes three arguments.
6633 (INSERT_ATTRIBUTES): Document this new macro.
6635 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6636 new INSERT_ATTRIBUTES macro.
6638 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6640 * config/sparc/sparc.md (movdf): Only generate special RTL for
6641 LABEL_REFs when PIC.
6642 (move_label_di): Remove
6643 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6644 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6645 references when PIC.
6646 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6647 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6648 output an .xword for all 64-bit cases.
6650 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6652 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6653 alignment, use FUNCTION_BOUNDARY instead.
6654 (sparc_output_deferred_case_vectors): Likewise.
6656 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6658 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6659 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6661 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6663 * alpha/va_list.h: New file.
6664 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6666 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6668 * NEWS: Add SCO Openserver and Unixware 7 notes.
6672 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6674 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6675 (record_constant_1): Handle RANGE_EXPR.
6677 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6679 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6680 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6681 and NOTE_INSN_RANGE_END specially.
6682 (reemit_notes): Likewise.
6684 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6686 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6687 (ultrasparc_sched_init): Remove unneeded &.
6689 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6691 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6692 for m68020-60, to prevent the use of fintrz.
6694 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6696 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6698 * Makefile.in: Likewise.
6699 * configure: Regenerated.
6701 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6703 * configure.in (gxx_include_dir): Changed to
6704 '${prefix}/include/g++'-${libstdcxx_interface}.
6705 * configure: Rebuilt.
6707 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6709 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6711 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6712 *sequences* *below* which scalar moves will be used.
6714 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6716 * collect2.c (mktemp): Delete unused declaration.
6718 * config/xm-netbsd.h: Remove unnecessary file.
6719 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6720 file anymore, it is not needed.
6722 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6724 * convert.c (convert_to_integer): Issue an error on conversions to
6727 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6729 * Makefile.in: Add lang_tree_files and gencheck.h.
6730 * configure.in: Generate them.
6731 * gencheck.c: Include gencheck.h.
6733 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6735 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6736 movdi_lo_sum_pic and movdi_high_pic and make visible.
6737 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6738 emit these when Pmode is not SImode.
6739 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6741 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6743 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6744 .linkonce directive after the first time.
6746 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6748 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6749 the clobbered operand overlaps with an input.
6750 (bne0_di): Similarly.
6752 * Makefile.in (INSTALL): Remove "--no-header" argument.
6754 * NEWS: Various updates.
6756 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6758 * config/sparc/sparc.c (arith_operand, const64_operand,
6759 const64_high_operand, arith_double_4096_operand): Mark mode as
6761 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6763 (sparc_emit_set_const64): Remove unused variable i.
6764 (sparc_splitdi_legitimate): Likewise for addr_part.
6765 (ultra_code_from_mask): Likewise for mask.
6766 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6767 reverse return values so it matches usage and comments.
6768 (ultra_flush_pipeline): Likewise.
6769 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6770 this_type, and allow loads and stores of differing FP modes as
6771 they do not create a conflict.
6772 (ultra_find_type): Initialize fpmode to SFmode, fix
6773 parenthesization thinkos in large conditional.
6774 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6775 Init free_slot_mask after ultra_cur_hist is reset, not before.
6776 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6777 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6778 use ultra_flush_pipeline instead, then re-init group pointer.
6779 Fix statement with no effect. If no progress made in, and no
6780 instructions scheduled at all, advance to new pipeline cycle else
6781 we get into an endless loop.
6782 (ultrasparc_adjust_cost): Remove previous arg.
6783 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6785 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6787 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6788 code. Use reg_overlap_mentioned_p to detect when source and
6789 destination overlap.
6790 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6792 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6794 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6795 COMPARISON_VAL, into invariant_p.
6797 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6799 * regmove.c (regclass_compatible_p): New function.
6800 (regmove_optimize): Use it.
6802 Use NREGS parameter insted of calling max_reg_num.
6804 (fixup_match_1): Don't use code = MINUS when later tieing with
6805 a hard register is likely.
6807 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6809 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6810 COMPARISON_VAL was normalized.
6812 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6814 * loop.c (check_dbra_loop): The loop ending comparison value
6815 must be an invariant or we can not reverse the loop.
6817 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6818 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6820 (load_mems_and_recount_loop_regs_set): Likewise.
6822 * i386.c (print_operand): Remove obsolete 'c' docs.
6824 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6826 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6827 * frame.c (init_object_mutex): New function.
6828 (init_object_mutex_once): Likewise.
6829 (find_fde): Call it.
6830 (__register_frame_info): Likewise.
6831 (__register_frame_info_table): Likewise.
6832 (__deregister_frame_info): Likewise.
6834 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6836 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6838 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6840 * loop.c (check_dbra_loop): Enable code for reversal
6841 of some loops without a known constant loop end.
6843 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6845 * haifa-sched.c (last_clock_var): New.
6846 (schedule_block): Initialize it.
6847 (schedule_insn): Use it to fill insn modes with issue information.
6849 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6850 Tag trapb and next insn with TImode.
6851 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6852 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6853 Invoke alphaev5_align_insns as appropriate.
6854 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6855 (MD_SCHED_VARIABLE_ISSUE): New.
6856 * alpha.md (attr type): Add multi.
6857 (define_asm_attributes): New.
6858 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6859 (arg_home): Likewise.
6860 (fnop, unop, realign): New.
6862 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6864 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6865 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6867 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6868 (rs6000-ibm-aix4.[12]*): Likewise.
6869 * configure: Regnerate.
6871 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6873 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6874 already contains the return address.
6876 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6878 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6879 word sized hunks when loading unaligned args into registers.
6881 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6882 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6884 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6886 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6888 * loop.c (check_dbra_loop): Add some code that would allow reversal
6889 of some loops without a known constant loop end if it were enabled.
6891 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6893 * mips.md (lshrsi3_internal2+2): Fix type-o.
6895 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6897 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6898 correctly with regards to stdio.h.
6900 * calls.c: Remove stdarg.h/varargs.h.
6903 * combine.c: Likewise.
6904 * cpperror.c: Likewise.
6905 * cpplib.c: Likewise.
6906 * cpplib.h: Likewise.
6907 * doprint.c: Likewise.
6908 * emit-rtl.c: Likewise.
6909 * final.c: Likewise.
6910 * fix-header.c: Likewise.
6912 * genattr.c: Likewise.
6913 * genattrtab.c: Likewise.
6914 * gencodes.c: Likewise.
6915 * genconfig.c: Likewise.
6916 * genemit.c: Likewise.
6917 * genextract.c: Likewise.
6918 * genflags.c: Likewise.
6919 * genopinit.c: Likewise.
6920 * genoutput.c: Likewise.
6921 * genpeep.c: Likewise.
6922 * genrecog.c: Likewise.
6923 * mips-tfile.c: Likewise.
6924 * prefix.c: Likewise.
6925 * protoize.c: Likewise.
6926 * regmove.c: Likewise.
6927 * toplev.c: Likewise.
6930 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6932 * config/sparc/sparc.c (sparc_override_options): If not
6933 TARGET_FPU, turn off TARGET_VIS.
6934 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6935 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6936 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6937 (movdi_insn_sp64): Add VIS fzero alternative.
6938 (clear_sf, clear_df): New VIS patterns.
6939 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6941 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6943 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6945 * loop.c (n_times_set, n_times_used, may_not_optimize,
6946 reg_single_usage): Convert to varrays. All uses changed.
6947 (insert_loop_mem): Return a value.
6948 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6949 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6952 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6955 * configure.in: Do not set thread_file to "irix" since no such
6958 * sparc.md (float abs/neg splits): Check reload_completed before
6959 calling alter_subreg.
6961 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6963 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6965 * config/sparc/sparc.h: Declare it.
6966 * config/sparc/sparc.md (float abs/neg splits): Use it.
6967 (all other splits): Handle SUBREGs properly where necessary.
6968 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6970 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6972 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6973 an insn on the unfilled_slots_list that has no delay slots.
6974 (fill_eager_delay_slots): Similarly.
6976 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6978 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6979 as an ordinary operand.
6981 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6983 * tree.c (valid_machine_attribute): Don't apply attributes to both
6986 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6988 * reload.c (operands_match_p): Handle rtvecs.
6990 * i386.c (legitimate_pic_address_disp_p): New.
6991 (legitimate_address_p): Use it.
6992 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6993 Handle constant pool symbols just like statics.
6994 (emit_pic_move): Use Pmode not SImode for clarity.
6995 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6996 [UNSPEC]: New, handling what we killed above.
6997 [PLUS]: Detect and abort on invalid symbol arithmetic.
6998 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7000 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7002 * alias.c: Include output.h.
7003 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7004 different if we're in a varargs function.
7005 * Makefile.in (alias.o): Depend on output.h
7007 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7009 * sh.h (GIV_SORT_CRITERION): Delete.
7011 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7013 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7014 * stupid.c (stupid_life_analysis): Ditto.
7015 * reload1.c (reload): Ditto.
7017 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7019 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7020 arith_double_4096_operand, arith_double_add_operand): New
7022 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7023 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7024 them to transform add/sub 4096 into add/sub -4096.
7026 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7028 * loop.c (scan_loop): Allocate some slop to handle pseudos
7029 generated by move_movables.
7030 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7033 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7035 * tree.def (DECL_RESULT): Correct documentation.
7037 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7039 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7040 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7041 conflicts will all RELOAD_FOR_OUTPUT reloads.
7043 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7044 loads the function result, substitute with a USE.
7046 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7048 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7049 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7050 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7051 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7052 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7053 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7055 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7056 'o' to 'm' for GPR variant constraints.
7058 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7060 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7062 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7064 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7065 when the source and destination overlap.
7067 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7068 clash with global type.
7070 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7072 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7074 * c-common.c (combine_strings): Also set TREE_READONLY.
7075 Change warn_write_strings to flag_const_strings.
7076 * c-decl.c, c-tree.h: Likewise.
7078 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7080 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7081 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7082 sequence, use SET/IOR instead so CSE can see it.
7083 * config/sparc/sparc.md (movhi_const64_special,
7084 movsi_const64_special): New patterns necessitated by that change.
7085 (movhi_high): Remove.
7086 (movhi_lo_sum): Change to match an IOR.
7087 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7088 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7089 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7090 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7091 registers are involved.
7092 (snesi_zero_extend split): Remove reload_completed test.
7093 (unnamed plus and minus zero_extend sidi splits): Add it.
7095 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7097 * extend.texi: Remove description of extension to explicit
7098 instantiation that is now endorsed by standard C++.
7100 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7102 * config/arc/arc.c (arc_initialize_pic): Remove.
7103 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7104 nothing on any platform and is invoked by no-one, it does not even
7105 appear in the documentation.
7106 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7107 * config/sparc/sparc.c (initialize_pic): Likewise.
7108 (find_addr_reg): Remove this as well, no longer referenced after
7111 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7113 * recog.c (validate_replace_rtx_group): New function.
7114 * recog.h (validate_replace_rtx_group): Declare it.
7115 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7116 the entire group of substitutions.
7118 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7120 * loop.c (load_mems): Fix initializers.
7122 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7124 * config/sparc/sparc.md (TFmode splits): Handle destination
7125 registers being referenced in the address correctly.
7127 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7128 TREE_UNSIGNED, when bitsize of type's mode is larger than
7129 HOST_BITS_PER_WIDE_INT.
7131 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7133 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7134 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7135 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7137 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7140 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7142 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7143 * h8300.h (TINY_DATA_NAME_P): Likewise.
7144 (STRIP_NAME_ENCODING): Handle '&'.
7146 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7147 register (it could be accessed via an outer SUBREG).
7148 (REG_OK_FOR_BASE_P): Likewwise.
7149 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7151 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7154 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7156 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7158 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7159 must be offsettable so the splits can be made.
7161 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7163 * config/i386/winnt.c: Include system.h, not stdio.h to get
7164 sys/param.h pulled in before rtl.h in case the system defines MIN
7167 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7169 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7171 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7173 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7175 * cpplib.c (cpp_define): Handle macros with parameters.
7177 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7179 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7180 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7181 and DImode 64-bit. Use llong for minimal-toc SFmode and
7182 SYMBOL_REF / LABEL_REF 64-bit.
7183 (output_function_profiler): Use llong for profiler label and ld to
7184 load 64-bit label address.
7186 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7188 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7191 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7193 * version.c: Bump for snapshot.
7195 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7197 * version.c: Bump for snapshot.
7199 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7201 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7203 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7205 * tm.texi (Misc): Fix typo "teh".
7207 * tm.texi (PIC): Fix typo "PPIC".
7209 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7210 effect when -O2 and higher.
7211 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7213 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7215 * regclass.c: Changed register set documentation to be consistent
7218 * final.c (final_start_function) Removed redundant test for
7221 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7223 * rtl.h (rtx_function): New type.
7224 (for_each_rtx): New function.
7225 * rtlanal.c (for_each_rtx): Define it.
7227 * recog.c (change_t): New type.
7228 (change_objects, change_old_codes, change_locs, change_olds):
7230 (changes): New variable.
7231 (validate_change): Dynamically allocate room for more changes, if
7232 necessary. Uses changes array instead of change_objects, etc.
7233 (apply_change_group): Use changes array instead of
7234 change_objects, etc.
7236 * loop.c (loop_mem_info): New type.
7237 (loop_mems): New variable.
7238 (loop_mems_idx): Likewise.
7239 (looop_mems_allocated): Likewise.
7240 (scan_loop): Remove nregs parameter.
7241 (next_insn_in_loop): New function.
7242 (load_mems_and_recount_loop_regs_set): Likewise.
7243 (load_mems): Likewise.
7244 (insert_loop_mem): Likewise.
7245 (replace_loop_mem): Likewise.
7246 (replace_label): Likewise.
7247 (INSN_IN_RANGE_P): New macro.
7248 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7249 (scan_loop): Remove nregs parameter, compute it after any new
7250 registers are created by load_mems. Use INSN_IN_RANGE_P and
7251 next_insn_in_loop rather than expanding them inline. Call
7252 load_mems to load memory into pseudos, if appropriate.
7253 (prescan_loop): Figure out whether or not there are jumps from the
7254 loop to targets other than the label immediately following the
7255 loop. Call insert_loop_mem to notice all the MEMs used in the
7256 loop, if it could be safe to pull MEMs into REGs for the duration
7258 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7260 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7262 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7264 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7266 * config/sparc/sparc.c (finalize_pic): Check for the correct
7267 nonlocal_goto_receiver UNSPEC number.
7268 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7269 making note of this dependency existing in sparc.c
7270 (negtf2_notv9 split): Give NEG SFmode.
7271 (negsf2): Fix insn output string.
7273 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7275 * c-common.c (decl_attributes): Issue an error if the argument
7276 to alias is not a string.
7278 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7280 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7281 pending memory flush list.
7283 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7285 (try_combine): Allow combining insns with REG_LIBCALL notes.
7287 * expr.c (emit_block_move): Do not call memcpy as a libcall
7288 instead build up a CALL_EXPR and call it like any other
7290 (clear_storage): Similarly for memset.
7292 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7295 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7298 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7299 and REG_LIVE_LENGTH as successful substitutions are made.
7301 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7303 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7304 statement after end of loop label.
7306 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7308 * config/sparc/sparc.c (ultra_types_avail): New variable.
7309 (ultra_build_types_avail): New function to record mask of insn
7310 types in ready list at this cycle.
7311 (ultrasparc_sched_reorder): Call it.
7312 (ultra_find_type): Use it to quicken the search. Also simplif
7313 dependency check, don't use rtx_equal_p because we know exactly
7314 what we are looking for.
7316 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7318 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7319 for architecture v4.
7321 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7323 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7325 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7326 movdf_const_intreg and helper splits): New patterns to move float
7327 constants into integer registers.
7328 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7331 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7334 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7336 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7338 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7339 a BASE_REGS register is needed as an intermediate when copying
7340 a symbolic value into any register class other than BASE_REGS.
7342 * expr.c (move_by_pieces): No longer static. Remove prototype.
7343 * rtl.h (move_by_pieces): Add extern prototype.
7344 * mips.c (expand_block_move): Handle aligned straight line copy by
7345 calling move_by_pieces.
7347 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7350 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7352 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7353 jumps out of the loop to be treated as part of the exit test.
7355 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7356 Jeff Law <law@cygnus.com>
7358 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7359 * cplus-dem.c: Delete.
7361 * Makefile.in (fold-const.o): depend on $(RTL_H).
7363 * fold-const.c: Include rtl.h to get the prototype for
7364 `set_identifier_local_value'.
7366 * loop.c (express_from_1): Remove unused variable `tmp'.
7367 (combine_givs): cast the first argument of bzero to char *.
7369 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7371 * c-decl.c (init_decl_processing): Remove unneeded &.
7373 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7375 * except.c (set_exception_lang_code, set_exception_version_code):
7376 Change parameter from `short' to `int' to avoid using a gcc
7379 * except.h (set_exception_lang_code, set_exception_version_code):
7380 Likewise for prototypes.
7382 * flow.c (count_reg_references): Remove unused variables `regno'
7385 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7387 * prefix.c (translate_name): Cast the result of `alloca'.
7389 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7391 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7393 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7395 (valid_dbcc_comparison_p): Mark mode argument as unused.
7396 (symbolic_operand): Likewise.
7397 (legitimize_pic_address): Likewise.
7398 (const_uint32_operand): Likewise.
7399 (const_sint32_operand): Likewise.
7400 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7401 schedule_insns and comment out rest of file.
7403 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7405 (output_move_[hq]imode): Likewise.
7407 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7409 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7410 * invoke.texi: Corresponding changes.
7412 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7414 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7416 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7418 * config/sparc/sparc.c (ultra_code_from_mask,
7419 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7420 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7421 ultrasparc_sched_init, ultrasparc_variable_issue,
7422 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7423 functions to describe UltraSPARC pipeline exactly to Haifa.
7424 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7425 as there is nothing the scheduler can do about it. Indicate that
7426 REG_DEP_OUTPUT's collide. Fixup formatting.
7427 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7428 divide costs on Ultra for DImode.
7429 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7431 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7432 ieuN and add call_no_delay_slot to type list.
7433 (cti function unit): New unit for branches on UltraSPARC.
7434 (subx/addx insns): Set type to misc.
7435 (sidi zero/sign extension insns on arch64): Set type to shift.
7436 (sign_extendhidi2_insn): Set type to sload.
7438 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7440 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7441 (output_epilog): Use if != 0 for offset.
7442 (rs6000_fatal_bad_address): Prepare for Intl.
7443 * rs6000.h (rs6000_fatal_bad_address): Declare.
7444 * rs6000.md (movsfcc, movdfcc): Use else if.
7445 (elf_high): Use {liu|lis}.
7446 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7447 (movsi): Use rs6000_fatal_bad_address.
7449 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7451 * reload.c (find_equiv_reg): Reject equivalences separated
7452 by a volatile instruction.
7454 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7456 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7458 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7460 * alpha.md (movsicc): Fix mode mismatch.
7462 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7464 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7466 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7468 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7470 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7471 write-only modifier from operand 1 constraint.
7473 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7475 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7476 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7478 (sparc_emit_set_const64): Likewise, also when computing trailing
7479 bits do not negate low_bits and make fast_int an int.
7481 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7483 * loop.c (add_label_notes): Do not ignore references to labels
7484 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7485 * gcse.c (add_label_notes): Similarly.
7487 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7489 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7490 (adddi_dishl32): Similarly.
7492 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7494 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7495 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7496 * cse.c (cse_basic_block): Add parens to shut up warnings.
7498 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7500 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7501 sparc_emit_set_const64_longway, const64_is_2insns,
7502 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7503 in 64-bit constant formation.
7504 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7505 rtl for addx not subx.
7506 (define_insn movdi_const64_special): Make available even when
7507 HOST_BITS_PER_WIDE_INT is not 64.
7508 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7509 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7510 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7511 instances of operand 1 inside a QI subreg.
7512 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7513 (one_cmpldi2_sp64): Fix output string.
7514 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7516 (unnamed arch64 ashift DI): Truncate shift count if greater than
7519 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7521 * expr.c (store_expr): Don't optimize away load-store pair
7522 when either source or destination have a side effect.
7524 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7526 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7527 operands of SET are incompatible.
7529 * alpha.md: Fix max and min patterns so modes of SET operands match.
7531 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7533 * configure.in: Avoid [[ by using test and changequote.
7534 * configure: Rebuild.
7536 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7538 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7540 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7541 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7542 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7543 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7544 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7545 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7546 Fix mismatching modes in SET operands.
7547 (conditional move patterns): Fix formatting.
7548 (unnamed subx arch64 pattern): Remove duplicate insn.
7550 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7552 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7553 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7554 (input_operand): Fixup test for what we accept for constant
7556 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7558 (safe_constDI): Remove.
7559 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7560 gen_safe_XOR64): New functions.
7561 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7562 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7564 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7565 available when HOST_BITS_PER_WIDE_INT is not 64.
7566 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7567 move before movdi_insn_sp64 pattern.
7568 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7569 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7570 symbolic_operand as predicate for second operand.
7571 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7572 expander): Give set VOIDmode.
7574 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7576 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7578 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7580 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7582 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7584 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7586 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7588 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7590 * install.texi: Various SCO OpenServer tweaks.
7592 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7594 * reload1.c (eliminate_regs_in_insn): Handle another case when
7595 eliminating the frame pointer to the hard frame pointer. Add
7596 missing ep->to_rtx check to one existing case.
7598 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7600 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7602 * tree.h: De-conditionalize init_priority code.
7604 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7605 * collect2.c (NM_FLAGS): Change from -p to -n.
7607 * configure.in: Turn on collect2 for mipstx39-elf.
7608 Handle use_collect2=no properly.
7610 * c-common.c: De-conditionalize init_priority code.
7611 * collect2.c (extract_init_priority, sort_ids): New fns.
7612 (main): Call sort_ids.
7613 Move sequence_number to file scope.
7615 * configure.in: Handle --enable-init-priority.
7616 * c-common.c (attrs): Add A_INIT_PRIORITY.
7617 (init_attributes, decl_attributes): Likewise.
7618 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7619 * tree.c (get_file_function_name_long): Split out...
7620 (get_file_function_name): ...from here.
7622 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7624 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7627 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7629 * toplev.c (display_help): Add braces to shut up warnings.
7630 * tree.c (simple_cst_equal): Likewise.
7632 * fold-const.c (non_lvalue): Don't deal with null pointer
7634 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7636 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7637 of any size to a pointer.
7639 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7641 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7643 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7645 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7646 which will be saved.
7647 * mn10300.md (prologue insn): Only save registers which need saving.
7648 (epilogue insn): Similarly.
7650 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7653 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7655 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7656 VAR_DECL's in gp addressable sections.
7658 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7660 * sparc.c: Change return <exp> to <exp>; return; in functions
7662 * sparc.md: Add empty semicolon statement after final label in
7665 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7667 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7668 addx_extend_sp64, only allow when TARGET_ARCH64.
7669 (define_insn addx_extend_sp32 and split): Version that works when
7671 (define_insn subx_extend): Likewise.
7672 (define_split adddi3 and subdi3 with zero extension): Fixup and
7673 correct bugs when not TARGET_ARCH64.
7675 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7677 * except.c (set_exception_lang_code, set_exception_version_code):
7678 Use prototype-style definition if __STDC__, to match declaration
7681 * genemit.c: Change FAIL and DONE macros not to use loops.
7683 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7685 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7686 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7688 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7690 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7692 * README.g77: Update from Craig.
7694 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7696 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7698 (safe_constDI sparc_emit_set_const64_quick1,
7699 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7700 analyze_64bit_constant, const64_is_2insns,
7701 create_simple_focus_bits): Fix some bugs when compiled on real
7703 (function_arg_record_value_3, function_arg_record_value_2,
7704 function_arg_record_value): Add fully prototyped forward decls.
7705 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7706 to cmpsi_insn and use on both 64 and 32 bit targets.
7707 (define_insn cmpsi_insn_sp64): Remove.
7708 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7709 (define_insn zero_extendsidi2_insn): Rename to
7710 zero_extendsidi2_insn_sp64.
7711 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7712 assosciated forced split for it.
7714 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7716 * config/sparc/sparc.h: Declare them.
7717 (PREDICATE_CODES): Add them.
7718 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7719 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7721 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7723 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7724 in v9 case as the latter makes the Solaris assembler crash.
7726 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7728 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7729 for TFmode when !v9. We require offsettable memory addresses.
7730 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7731 DFmode register number conversions.
7732 * config/sparc/sparc.md (define_split DFmode moves): If register
7733 is a SUBREG do alter_subreg on it before using.
7734 (define_expand movtf): Fixup comment about alignment on v9.
7735 (define_split TFmode moves): Don't use gen_{high,low}part, create
7736 explicit SUBREGs instead.
7738 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7740 * Makefile.in (mbchar.o): Depend on mbchar.c.
7742 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7743 Richard Henderson <rth@cygnus.com>
7745 Rewrite Sparc backend for better code generation and
7746 improved sparc64 support.
7747 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7749 * config/sparc/sysv4.h: Likewise.
7750 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7751 move_operand, v8plus_regcmp_op, emit_move_sequence,
7752 singlemove_string, doublemove_string, mem_aligned_8,
7753 output_move_double, output_move_quad, output_fp_move_double,
7754 move_quad_direction, output_fp_move_quad, output_scc_insn):
7756 (small_int_or_double): New predicate.
7757 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7758 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7759 old pic_{sethi,lo_sum}_si patterns.
7760 (mem_min_alignment): New generic function to replace
7761 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7762 available and can test for arbitrary alignments. All callers
7764 (save_regs, restore_regs, build_big_number,
7765 output_function_prologue, output_cbranch, output_return,
7766 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7767 sparc_flat_output_function_epilogue): Prettify
7769 (output_function_epilogue): Likewise and add code to output
7770 deferred case vectors.
7771 (output_v9branch): Likewise, add new arg INSN and use it to tack
7772 on branch prediction settings. All callers changed.
7773 (print_operand): Likewise and output %l44 for LO_SUMs when
7775 (sparc_splitdi_legitimate): New function to make sure DImode
7776 splits can be run properly when !arch64.
7777 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7778 Reformat example code in comments.
7779 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7780 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7781 of deferred case vectors we need to output.
7782 (sparc_defer_case_vector): Record a case vector.
7783 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7784 sparc_output_deferred_case_vectors): New functions to output them.
7785 (sparc_emit_set_const32): New function to form 32-bit constants in
7786 registers when that requires more than one instruction.
7787 (safe_constDI, sparc_emit_set_const64_quick1,
7788 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7789 analyze_64bit_constant, const64_is_2insns,
7790 create_simple_focus_bits, sparc_emit_set_const64): New functions
7791 which do the same for 64-bit constants when arch64.
7792 (sparc_emit_set_symbolic_const64): New function to emit address
7793 loading for all code models on v9.
7794 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7795 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7796 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7797 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7798 inaccuracies in comments, add symbolic and text_segment operands
7799 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7800 GENERAL_REGS in these cases as a temp REG is needed to load these
7801 addresses into a register properly.
7802 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7804 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7805 quads are guarenteed to have 16-byte alignment.
7806 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7807 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7808 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7809 deferred case vector implementation.
7810 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7811 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7812 Generate "internal label - label" instead of "label - 1b".
7813 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7814 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7815 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7817 (doublemove_string, output_block_move, output_fp_move_double,
7818 output_fp_move_quad, output_move_double, output_move_quad,
7819 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7820 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7821 (sparc_emit_set_const32, sparc_emit_set_const64,
7822 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7823 mem_min_alignment, small_int_or_double): Add externs.
7824 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7825 UNSPEC_VOLATILE in this backend.
7826 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7827 unary to types which execute in it.
7828 (define_function_unit ieu_shift): Rename to ieu0.
7829 (define_function_unit ieu1): New, executes compare, call, and
7830 uncond_branch type insns.
7831 (define_function_units for type fdivs, fdivd, fsqrt): These
7832 execute in the fpu multiply unit not the adder on UltraSparc.
7833 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7834 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7835 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7836 allows the arith_double_operand predicate and rHI constraint when
7838 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7839 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7840 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7841 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7842 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7843 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7844 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7845 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7846 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7847 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7848 sign_extendqihi2_insn, sign_extendqisi2_insn,
7849 sign_extendqidi2_insn, sign_extendhidi2_insn,
7850 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7851 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7852 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7853 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7854 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7855 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7856 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7857 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7858 smulsi3_highpart_v8plus, unnamed subreg mult,
7859 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7860 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7861 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7862 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7863 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7864 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7865 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7866 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7867 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7868 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7869 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7870 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7871 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7872 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7873 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7874 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7875 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7876 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7877 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7878 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7879 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7880 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7881 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7882 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7883 call_address_untyped_struct_value_sp32,
7884 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7885 call_value_symbolic_sp32, call_value_address_sp64,
7886 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7887 flush_register_windows, goto_handler_and_restore,
7888 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7889 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7890 return_addsi, return_di, return_adddi, return_sf, all call+jump
7891 peepholes, trap, unnamed trap insns): Prettify output strings.
7892 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7893 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7894 Likewise and force + implement splits for integer cases.
7895 (define_insn return_sf_no_fpu): Likewise and allow to match when
7896 no-fpu because of our subreg SFmode splits.
7897 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7898 zero_extendqidi2_insn, zero_extendhidi2_insn,
7899 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7900 input_operand for second operand.
7901 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7902 reg_or_0_operand for operand 2 so new splits can use it.
7903 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7904 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7906 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7907 CONST_DOUBLEs for operand 2.
7908 (define_insn move_label_di): Likewise and label distance
7909 optimization because it no longer works with new deferred case
7910 vector scheme. To be revisited.
7911 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7912 and allow reg_or_0_operand and J constraint for second operand.
7913 (define_insn jump): Set branch predict taken on V9.
7914 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7915 new deferred case vector scheme.
7916 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7917 (define_insn negdi2_sp32): Force + implement splits.
7918 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7919 one_cmplsi2_not_liveg0 respectively, and create expander of original
7920 names which emit special rtl for TARGET_LIVE_G0.
7921 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7922 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7923 gen_compare_reg, FAIL instead.
7924 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7925 values when trying to reverse condition codes, if they FAIL then
7927 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7928 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7929 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7930 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7931 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7932 set output string to # to indicate they are mandatory splits.
7933 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7934 pic_sethi_di, move_pic_label_si): Remove.
7935 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7936 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7938 (define_expand movsi_pic_label_ref, define_insn
7939 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7940 expander and insns to handle PIC label references and deferred
7942 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7944 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7945 Rewrite to not use emit_move_sequence, make use of new constant
7946 formation code, and new splits for all multi-insn cases.
7947 (define_insn movqi_insn): Remove sethi case, it can never happen.
7948 Use reg_or_zero_operand instead of const0_rtx explicit test,
7949 use input_operand instead of move_operand for source, and use
7950 general_operand now for dest.
7951 (define_insn movhi_insn): Similar but leave sethi case.
7952 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7953 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7954 movhi_lo_sum respectively, prettify output string.
7955 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7956 register when needed on TARGET_LIVE_G0.
7957 (define_insn movsi_insn): Use general_operand and input_operand
7958 for dest and src respectively. Simplify applicability test.
7959 Prettify output strings, and add clr alternative for J
7961 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7962 deprecated std and reg-reg DI moves): Remove and...
7963 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7964 implementation which uses forced splits for all non-single insn
7966 (define_split DI move cases on !arch64): New splits to handle all
7967 situations of 64-bit double register DImode on 32bit, and
7968 unaligned registers and memory addresses for all subtargets.
7969 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7971 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7972 input_operand for dest and src respectively, prettify output
7974 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7975 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7977 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7978 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7979 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7980 movtf_no_e_insn_sp64) Replace with new
7981 implementation which uses forced splits for all non-single insn
7983 (define_split DF move cases): New splits in similar vein to DI
7985 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7986 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7987 movdi_sp64_insn): Remove old v9 code model and constant loading
7989 (define_insn pic_lo_sum_di, pic_sethi_di,
7990 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7991 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7992 embmedany_sethi, embmedany_losum, embmedany_brsum,
7993 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7994 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7995 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7996 scheme, using unspecs, secondary reloads, and one to one sparc
7997 insn to rtl insn mapping for better scheduling and code gen.
7998 (define_expand reload_indi, reload_outdi): Reload helpers for
7999 MEDANY and EMBMEDANY symbol address loading cases which require a
8001 (define_expand movsicc): Remove v8plus_regcmp cases.
8002 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8003 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8004 cmp_diqi_trunc_set): New patterns used by some of the new scc
8006 (define_insn xordi3_sp64_dbl): New pattern used for constant
8007 formation when crossing from 32-bit targets.
8008 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8010 (define_insn addx, subx): Make visible and prettify.
8011 (define_insn adddi3_insn_sp32): Likewise and force split.
8012 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8013 64bit scc split usage.
8014 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8015 zero_extend, subdi3): Force and implement splits.
8017 * final.c (final_scan_insn): Don't output labels if target
8018 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8021 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8022 don't forget to walk inside SEQUENCESs too as these are what the
8023 delay slot scheduler will create.
8025 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8027 * alpha.md (extxl+1,+2): New patterns to work around
8030 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8032 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8033 caused bad assembly code to be generated.
8035 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8037 * netbsd.h: Fix typo.
8039 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8041 * config.sub: Fix typo.
8043 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8045 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8047 (Running Protoize): Typo: Change "ther" into "other".
8049 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8051 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8052 * m68k/netbsd.h: Likewise.
8053 * ns32k/netbsd.h: Likewise.
8054 * sparc/netbsd.h: Likewise.
8056 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8058 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8059 * ginclude/va-clipper.h (va_list): Likewise.
8061 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8063 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8064 load/store multiple instructions unless user overrides.
8066 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8068 * ns32k/netbsd.h: Fix typo.
8070 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8072 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8073 labels with .debugsym if no parallel insns.
8075 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8077 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8078 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8080 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8082 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8083 (AR_FOR_TARGET): Define.
8085 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8087 * dyn-string.h: New file.
8088 * dyn-string.c: Likewise.
8089 * Makefile.in (OBJS): Add dyn-string.o.
8090 (dwarf2out.o): Add dyn-string.h dependency.
8091 (dyn-string.o): List dependencies.
8092 * dwarf2out.c: Include dyn-string.h.
8093 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8094 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8095 prototype. Use dyn_string_append rather than strcat, throughout.
8096 (addr_to_string): Use dyn_string_t.
8098 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8100 Function entry/exit profiling instrumentation:
8101 * expr.h (profile_function_entry_libfunc,
8102 profile_function_exit_libfunc): Declare new variables.
8103 * optabs.c: Define them here.
8104 (init_optabs): Initialize them.
8105 * tree.h (struct tree_decl): New flag
8106 no_instrument_function_entry_exit.
8107 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8108 * c-decl.c (duplicate_decls): Merge it.
8109 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8110 (init_attributes): Use it for "no_instrument_function".
8111 (decl_attributes): Handle it, for functions that have not yet been
8112 compiled. Set decl flag.
8113 * flags.h (flag_instrument_function_entry_exit): Declare new
8115 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8116 (f_options): New option "instrument-functions".
8117 * function.h (struct function): New field instrument_entry_exit.
8118 * function.c (current_function_instrument_entry_exit): New
8120 (push_function_context_to, pop_function_context_from): Save and
8122 (expand_function_start): Set current_ variable, maybe emit return
8123 label and entry profile call.
8124 (expand_function_end): Maybe emit exit profile call.
8126 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8128 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8129 NON_QI_REG_P, pretend the register is SImode.
8131 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8133 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8134 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8135 manufacturer id for ns32k.
8136 * configure: Regenerated.
8137 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8138 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8139 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8140 * config/m68k/netbsd.h: Same.
8141 * config/ns32k/netbsd.h: Same.
8142 * config/sparc/netbsd.h: Same.
8144 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8146 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8147 or UNROLL_COMPLETELY loop that starts with a jump to its
8150 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8152 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8153 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8154 (print_operand, case 'B'): Don't fall through.
8155 (print_operand, case 'S'): Correct mask begin/end computation.
8156 Use HOST_BITS_PER_WIDE_INT.
8157 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8158 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8159 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8160 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8162 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8164 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8165 constraint from second alternative.
8167 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8169 * configure.in: Fix --without/--disable cases for local-prefix,
8170 gxx-include-dir and checking.
8172 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8174 * configure.in (enable_haifa): Set by default for sparc64 too.
8177 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8179 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8180 * i386/winnt.c (associated_type): New fn.
8181 (i386_pe_valid_type_attribute_p): New fn.
8182 (i386_pe_check_vtable_importexport): Remove.
8183 (i386_pe_dllexport_p): Use associated_type.
8184 (i386_pe_dllimport_p): Likewise.
8186 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8187 * i386.c (i386_valid_type_attribute_p): Also accept
8188 attributes for METHOD_TYPEs.
8190 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8192 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8194 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8196 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8198 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8199 them from generating a new base name for each occurence of
8202 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8204 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8206 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8210 * cplus-dem.c (type_kind_t): New type.
8211 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8212 on this paramter, rather than demangling the type again.
8213 (demangle_integral_value): Pass tk_integral.
8214 (demangle_template_: Pass the value returned from do_type.
8215 (do_type): Return a type_kind_t. Pass tk_integral to
8216 demangle_template_value_parm for array bounds.
8217 (demangle_fund_type): Likewise.
8219 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8221 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8224 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8226 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8228 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8230 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8232 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8235 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8237 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8238 (DEBUGGER_ARG_OFFSET): Likewise.
8240 * mn10300.md (movsf): Remove last change. Not needed.
8242 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8244 * c-lex.c (yylex): Fix boundary conditions in character literal and
8245 string literal loops.
8247 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8249 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8250 being invoked incorrectly.
8252 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8253 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8255 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8256 * configure.in: Added i[34567]86-*-win32
8257 * config.sub: Ditto.
8258 * configure: Rebuilt.
8260 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8262 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8263 the frame pointer and compiling PIC code and reload has not completed.
8265 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8268 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8270 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8272 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8274 * Makefile.in (install-info): Only try to update the info
8275 directory file if it exists in the first place.
8277 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8279 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8281 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8283 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8284 CONST_DOUBLE source.
8286 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8288 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8289 strings as the insertion of USER_LABEL_PREFIX.
8290 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8292 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8295 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8297 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8298 already defined type.
8300 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8302 * expr.c (check_max_integer_computation_mode): Allow conversions
8303 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8304 (expand_expr): Likewise.
8306 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8308 * expr.c (expand_expr): Expand RETURN_EXPR.
8310 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8312 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8314 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8316 * dwarf2out.c (output_aranges): Call stripattributes
8317 for TEXT_SECTION references.
8318 (output_line_info): Likewise.
8320 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8322 * profile.c (branch_prob): Call allocate_reg_info after outputting
8323 profile rtl in instrument_arcs.
8325 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8327 * fixinc.irix (math.h): Install wrapper instead of copying.
8329 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8331 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8332 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8333 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8334 lang_flag_0. Added documentation in the flag table.
8336 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8338 * cccp.c (do_include): Fix vax c style include handling.
8340 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8342 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8344 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8346 * fold-const.c (non_lvalue): Don't deal with null pointer
8348 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8350 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8352 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8353 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8354 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8355 (u_short_cint_operand): Same.
8356 (reg_or_cint_operand): Same.
8357 (logical_operand): Same.
8358 (input_operand): Same.
8359 (reg_or_short_operand): Use u_short_cint_operand.
8361 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8363 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8364 but keep the insns and splits. Adjust so when the ultimate destination
8365 is memory, use cvtql.
8367 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8369 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8371 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8373 * gcc.c (do_spec): Call "error" not "warning".
8375 * configure.in: Fix minor problems with gas feature detection code.
8376 * configure: Rebuilt.
8378 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8381 * gcc.c: Delete %[spec] support.
8382 (do_spec_1, case '('): Likewise.
8383 (do_spec_1, case '['): Call error.
8385 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8387 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8388 (CPP_SUBTARGET_SPEC): Default to empty string.
8389 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8390 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8391 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8392 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8394 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8395 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8396 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8397 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8398 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8399 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8400 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8401 * alpha/vxworks.h: Likewise.
8403 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8405 * mips.md (reload_outsi): Added missing REGNO call.
8406 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8408 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8409 another match_operator and compare the codes.
8411 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8413 * MIPS multiply pattern fixes:
8414 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8415 Add union classes for HI, LO, or HILO plus general registers.
8416 (GENERATE_MADD): Deleted.
8417 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8418 Add TARGET_MAD to condition.
8419 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8420 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8421 "*d" for accumulator, to give preference to LO initially but not
8424 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8426 * configure.in (enable_c_mbchar): New configure option.
8427 (extra_cpp_objs): Always available now.
8429 * cexp.y (mbchar.h): #include it.
8430 (yylex): Handle Multibyte characters in character literals.
8432 * cccp.c (mbchar.h): #include it.
8433 (main): Set character set based on LANG environment variable.
8434 (rescan): Handle multibyte characters in comments.
8435 (skip_if_group): See above.
8436 (validate_else): See above.
8437 (skip_to_end_of_comment): See above.
8438 (macarg1): See above.
8439 (discard_comments): See above.
8440 (rescan): Handle multibyte characters in string and character literals.
8441 (collect_expansion): See above.
8442 (skip_quoted_string): See above.
8443 (macroexpand): See above.
8444 (macarg1): See above.
8445 (discard_comments): See above.
8446 (change_newlines): See above.
8448 * c-lex.c (mbchar.h): #include it.
8449 (GET_ENVIRONMENT): New macro.
8450 (init_lex): Set character set based on LANG environment variable.
8451 (yylex): Handle multibyte characters in character literals.
8452 (yylex): Handle multibyte characters in string literals.
8454 * Makefile.in (mbchar.o): New target.
8455 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8456 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8458 * mbchar.[ch]: New files for multibyte character handling.
8460 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8462 * jump.c (jump_optimize): When simplifying noop moves and
8463 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8464 the PUSHes to rewrite in second loop as we did in the first.
8466 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8468 * cplus-dem.c (demangle_nested_args): Make function definition
8469 static to match the prototype.
8471 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8473 * alloca.c: Respect USE_C_ALLOCA.
8474 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8475 * gengenrtl.c (xmalloc): Likewise.
8477 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8479 * loop.h (struct induction): Add no_const_addval.
8480 * loop.c (the_movables, reg_address_cost): New variables.
8481 (init_loop): Init reg_address_cost.
8482 (loop_optimize): Call end_alias_analysis.
8483 (scan_loop): Init the_movables.
8484 (record_giv): Init induction->no_const_addval.
8485 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8486 [REG]: Rearrange loop search test to catch more cases.
8487 (general_induction_var): Return success not benefit; take an extra
8488 argument for that. Change all callers.
8489 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8490 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8491 [default]: Search the_movables for additional combinations.
8492 (sge_plus_constant, sge_plus): New functions.
8493 (express_from_1): New function.
8494 (express_from): Always define. Rewrite using express_from_1.
8495 (combine_givs_p): Handle more cases. Ignore address cost.
8496 (cmp_combine_givs_stats): New function.
8497 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8498 (combine_givs): Rewrite to do best-fit combination.
8500 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8501 (fold): Do a complete (A*C)+(B*C) association check.
8503 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8505 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8507 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8509 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8511 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8513 * tree.c (valid_machine_attribute): Only create a new type variant if
8514 there is a decl to use it.
8516 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8518 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8521 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8523 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8526 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8528 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8529 Simplify tests for clearing an address register.
8530 (expand_prologue): Corresponding changes.
8532 * mn10300.md (movXX patterns): Make sure the destination is an
8533 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8534 (logical patterns): Split into expanders + patterns
8535 (zero and sign extension patterns): Similarly.
8536 (shift patterns): Similarly.
8538 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8540 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8541 for the sequence, recording base values.
8543 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8545 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8547 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8549 * gcc.c: Remove ANSI-C ism from --help code.
8551 * toplev.c: Support --help with USE_CPPLIB.
8553 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8555 * configure.in: Rework gas feature code to work with symlink based
8558 * extend.texi: Clarify some issues related to local variables
8559 assigned to explicit registers.
8561 * mn10300.md (mulsi): Turn into expander + pattern.
8563 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8566 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8568 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8570 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8572 * version.c: Bump again to distinguish mainline tree from the
8575 See ChangeLog.0 for earlier changes.
8578 add-log-time-format: current-time-string