1 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
3 * extend.texi (__builtin_constant_p): Add missing @smallexample.
5 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
7 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
9 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
11 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
12 (adddi_dishl32): Similarly.
14 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
15 for each insn in the skipped block.
17 * reload1.c (reload_as_needed): Verify that the insn satisfies its
18 constraints after replacing a register address with an autoincrement
19 address for reload inheritance purposes.
21 * i386.md (doubleword shifts): Avoid namespace pollution.
23 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
25 * configure.in (FreeBSD ELF): Needs special crt files.
27 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
29 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
31 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
33 * loop.c (check_dbra_loop): While reversing the loop, if the
34 comparison value has a VOID mode use the mode of the other operand
37 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
39 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
40 avoid warnings in compiling explow.c.
42 (patch from Ken Raeburn, raeburn@cygnus.com)
43 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
44 fpmem_offset. Compute total size after that, and then
45 rs6000_fpmem_offset using both values.
47 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
49 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
50 the future; indeed that already happens in some cases.
52 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
54 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
55 (arith_operand): Remove constant_p_rtx handling.
56 (const64_operand, const64_high_operand): Likewise.
57 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
58 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
59 (small_int_or_double, uns_small_int, zero_operand): Likewise.
60 * sparc.h (PREDICATE_CODES): Likewise.
62 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
64 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
66 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
67 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
68 consider constant CONSTRUCTOR constant and to defer some cases
70 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
71 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
73 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
75 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
76 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
78 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
79 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
80 (sext_add_operand, and_operand, or_operand): Likewise.
81 (reg_or_cint_operand, some_operand, input_operand): Likewise.
82 * alpha.h (PREDICATE_CODES): Likewise.
84 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
86 * version.c: Bump for snapshot.
88 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
90 * gengenrtl.c (gencode): Always use bzero to clear memory instead
91 of dangerous casts and stores.
93 * Makefile.in (compare, gnucompare): Add missing else true clauses.
95 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
97 * alpha.md (builtin_longjmp): Add missing "DONE".
99 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
101 * gcc.c (execute): Enable -pipe with win32.
103 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
105 * config/arm/t-arm-elf: Add multiplib option for leading
108 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
109 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
111 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
112 than variable 'reload_address_base_reg_class'. [Note this
113 change is unrelated to the others in this patch].
115 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
118 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
120 * alias.c (record_alias_subset): Remove ignored `&'.
121 (init_alias_once): Likewise.
123 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
125 * config/mips/mips.c (mips_asm_file_end): Cast the result of
126 fwrite to `int' when comparing against one.
128 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
129 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
131 * cse.c (rehash_using_reg): Change type of variable `i' to
134 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
137 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
139 * final.c (final_scan_insn): Likewise for variable `i'.
140 (output_asm_insn): Cast a char to unsigned char when used as an
143 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
146 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
148 * recog.c (preprocess_constraints): Cast a char to unsigned char
149 when used as an array index.
151 * regmove.c (find_matches): Likewise.
153 * reload1.c (calculate_needs): Add default case in switch.
154 (eliminate_regs_in_insn): Initialize variable `offset'.
155 (set_offsets_for_label): Change type of variable `i' to unsigned.
156 (reload_as_needed): Wrap variable `i' in macro check on
157 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
159 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
160 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
161 when comparing against one.
163 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
164 unsigned when comparing against one. Likewise for
165 GET_MODE_ALIGNMENT().
166 (layout_record): Cast record_align to int when comparing against a
168 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
171 * tree.c (get_identifier): Cast variable `len' to unsigned when
172 comparing against one.
173 (maybe_get_identifier): Likewise
175 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
177 * toplev.c (rest_of_compilation): Do not set reload_completed.
178 * reload1.c (reload): Set reload_completed before calling
179 cleanup_subreg_operands.
181 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
183 * reload1.c (emit_reload_insns): Check `set' not null before use.
185 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
187 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
190 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
192 * halfpic.c (half_pic_encode): Delete redundant code.
194 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
196 * toplev.c (main): Delete handling of -dM as a preprocessor
199 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
201 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
202 -dI, which are handled by the preprocessor.
204 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
206 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
207 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
209 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
211 * version.c: Bump for snapshot.
213 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
215 * version.c: Bump for snapshot.
217 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
219 * version.c: Bump for snapshot.
221 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
223 * genattr.c (fatal): Qualify a char* with the `const' keyword.
225 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
226 write_unit_name, write_eligible_delay, expand_units,
227 make_length_attrs, write_attr_case, find_attr,
228 make_internal_attr): Likewise.
229 * gencheck.c (tree_codes): Likewise.
230 * gencodes.c (fatal): Likewise.
231 * genconfig.c (fatal): Likewise.
232 * genemit.c (fatal): Likewise.
233 * genextract.c (fatal, walk_rtx, copystr): Likewise.
234 * genflags.c (fatal): Likewise.
235 * genopinit.c (fatal, optabs, gen_insn): Likewise.
236 * genoutput.c (fatal, error, predicates): Likewise.
237 * genpeep.c (fatal): Likewise.
238 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
239 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
241 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
243 * configure.in (with-fast-fixincludes): Fix whitespace.
244 * configure: Rebuilt.
246 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
247 asm() etc. function declarations in __DECC.
249 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
251 * expr.c (emit_move_insn_1): Only emit a clobber if the target
252 is a pseudo register.
254 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
256 * gcse.c: Include expr.h in order to get the prototype for
257 get_condition() which is used in delete_null_pointer_checks().
259 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
261 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
263 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
265 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
266 (ALL_CFLAGS): Delete SCHED_CFLAGS.
268 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
270 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
273 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
275 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
276 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
277 optimizations from the combiner.
279 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
281 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
283 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
285 * toplev.c (main): Disable optimize_size if a specific
286 optimization level is requested. Always set optimization
287 level to 2 if -Os is specified.
289 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
291 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
293 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
294 initialize it using fname.
296 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
298 * cpplib.c (do_include): Treat #include_next in the
299 primary source file as #include plus warning. Treat
300 #include_next in a file included by absolute path as an
301 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
303 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
305 * cccp.c: Don't define MIN/MAX anymore.
306 * cpplib.c: Likewise.
307 * machmode.h: Likewise.
308 * system.h: Provide definitions for MIN/MAX.
310 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
312 * fix-header.c: Don't define xstrdup here.
314 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
316 * loop.c (consec_sets_giv): New argument last_consec_insn.
317 (strength_reduce): Provide / use it.
319 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
321 * loop.h (loop_info): New field 'vtop'.
322 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
323 scanning loop for vtop.
324 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
325 (loop_iterations): Use them to determine if loop has a constant
326 number of iterations. Set loop_info->vtop. Don't subtract
327 common reg term from initial_value and final_value if have a
330 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
332 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
334 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
336 * mn10200.md (abssf2, negsf2): New expanders.
338 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
340 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
342 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
343 replaced by a CONCAT whoes components do not have the same
344 mode as the original SUBREG, use a new SUBREG to restore the
347 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
348 multiword complex values.
350 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
352 * cppalloc.c: Add xstrdup here.
353 * cpplib.h: Remove savestring prototype.
354 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
356 * cppfiles.c: s/savestring/xstrdup/ throughout.
358 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
360 * cpplib.c: Make all directive handlers read their own
362 (struct directive): Remove last two arguments from FUNC
363 member prototype. Remove `command_reads_line' member
365 (directive_table): Remove initializations of
366 command_reads_line flag. Pretty-print.
367 (eval_if_expression, do_define, do_line, do_include,
368 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
369 do_else, do_elif, do_sccs, do_assert, do_unassert,
370 do_warning): Take only two args.
372 (cpp_define): Call do_define with two args and the text to
373 define stuffed into a buffer.
374 (make_assertion): Call do_assert with two args.
375 (handle_directive): Call do_line with two args. Call
376 kt->func with two args. Remove command_reads_line
378 (do_define, do_undef, do_error, do_warning, do_pragma,
379 do_sccs): Read the rest of the line here.
380 (do_ident): Gobble rest of line, as cccp does.
381 (cpp_undef): New function.
382 (cpp_start_read): Call cpp_undef instead of do_undef.
384 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
386 * cpphash.h (union hash_value): Remove `keydef' member, add a
387 `struct hashnode *aschain' member for #assert.
389 * cpplib.c (struct tokenlist_list, struct
390 assertion_hashnode): Delete structure definitions.
391 (assertion_install, assertion_lookup, delete_assertion,
392 check_assertion, compare_token_lists, reverse_token_list,
393 read_token_list, free_token_list): Delete functions.
394 (parse_assertion): New function.
395 (cpp_cleanup): Don't destroy the assertion_hashtable.
397 (do_assert): Gut and rewrite. #assert foo (bar) places
398 entries for `#foo' and `#foo(bar)' in the macro hash table,
399 type T_ASSERT. The value union's `aschain' member is used
400 to chain all answers for a given predicate together.
401 (do_unassert): Also rewritten. Take an un-asserted
402 answer off the chain from its predicate and call
403 delete_macro on the hashnode, or walk a predicate chain
404 calling delete_macro on all the entries.
405 (cpp_read_check_assertion): Simply call parse_assertion to
406 get the canonical assertion name, and look that up in the
409 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
412 * cpphash.c (install): Use bcopy instead of an explicit loop
413 to copy the macro name.
415 * cppexp.c (cpp_lex): Convert the result of
416 cpp_read_check_assertion to a `struct operation' directly;
417 don't go through parse_number.
419 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
421 * loop.h (struct induction): Delete times_used member.
422 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
423 (n_times_used): Rename to n_times_set. Changed all users.
424 (scan_loop): Free reg_single_usage before strength reduction.
425 (record_giv, combine_givs): Remove handling of times_used member.
426 (combine_givs_used_once): Rename to:
427 (combine_givs_used_by_other) . Changed all callers.
429 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
431 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
432 instead of TREE_CODE_CLASS == 't'.
433 (gen_type_die): Likewise.
434 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
436 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
438 * real.c (endian): Disable last change unless
439 HOST_BITS_PER_WIDE_INT is greater than 32.
441 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
443 * output.h (force_data_section): New prototype.
444 * varasm.c (force_data_section): New function to force the
445 data section, regardless of what in_section thinks.
446 * dwarf2out.c (output_call_frame_info): Call force_data_section
447 since varasm may not realize we've changes sections.
449 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
451 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
452 after completeing reload.
454 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
455 deleted after reload.
457 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
459 * rtl.h (multiple_sets): Fix prototype.
460 * rtlanal.c (multiple_sets): Fix return type.
462 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
464 * version.c: Bump for snapshot.
466 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
468 * version.c: Bump for snapshot.
470 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
472 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
474 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
476 * rtl.h (recompute_reg_usage): Add second argument.
477 * flow.c (recompute_reg_usage): Likewise.
478 * toplev.c (rest_of_compilation): Supply second argument to
481 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
484 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
486 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
487 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
488 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
491 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
493 * rtlanal.c (multiple_sets): New function.
494 * rtl.h (multiple_sets): Declare it.
495 * local-alloc.c (wipe_dead_reg): Use it.
496 * global.c (global_conflicts): Likewise.
498 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
500 * global.c (record_conflicts): Don't use an array of shorts to
501 store an array of ints.
502 (global_conflicts): Likewise.
504 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
506 * alpha.c (alpha_expand_block_move): mode_for_size expects
507 bits, not bytes. Infer extra alignment from addressof.
509 1998-12-11 Michael Meissner <meissner@cygnus.com>
511 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
512 .sbss section, not .sdata.
514 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
516 * cccp.c: Do not #include <sys/stat.h> here; this is already done
518 * collect2.c: Likewise.
519 * cpplib.h: Likewise.
522 * getpwd.c: Likewise.
523 * protoize.c: Likewise.
524 * toplev.c: Likewise.
526 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
527 and don't try to define it here.
528 * Makefile.in (cppmain.o): Depend on machmode.h.
529 (cpplib.o): Likewise.
530 (cpperror.o): Likewise.
531 (cppexp.o): Likewise.
532 (cppfiles.o): Likewise.
533 (cpphash.o): Likewise.
534 (cppalloc.o): Likewise.
535 (fix-header.o): Likewise.
536 (scan-decls.o): Likewise.
538 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
540 * sh.c (print_operand): lookup interrupt_handler attribute instead
541 of relying on static variable.
542 * (calc_live_regs): Likewise.
543 * (sh_pragma_insert_attributes): Create interrupt_handler
544 attribute if a pragma was specified
545 * (sh_valid_machine_decl_attribute): Don't set static flag.
546 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
548 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
550 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
551 to determine if a register is live at a jump destination.
552 Everything is dead at a BARRIER.
554 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
556 * cse.c (simplify_unary_operation): Sign-extend constants when
557 they have the most significant bit set for the target.
558 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
560 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
561 HOST_WIDE_INT temporary before negating it.
562 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
564 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
566 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
569 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
571 * collect2.h: New header file for prototypes.
573 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
575 * collect2.c: Include collect2.h.
578 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
580 * flow.c: Update some comments.
582 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
584 * objc/objc-act.c (cpp_initialized): Removed.
585 (lang_init_options): Initialize cpplib.
586 (lang_decode_option): Move initialization of cpplib to
588 * c-lang.c: (parse_options,parse_in): Added.
589 (lang_init_options): Initialized cpplib here.
590 * c-decl.c (parse_options,cpp_initialized): Removed.
591 (c_decode_option): Move initialization of cpplib to
594 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
596 * reload1.c (reload_combine, reload_combine_note_store):
597 Make STORE_RUID always valid.
598 (reload_combine): Check if BASE is clobbered too early.
600 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
602 * reload.c (find_reloads): Display the insn that cannot be
605 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
607 * cccp.c (create_definition): Fix end of bufer logic.
609 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
611 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
612 pointer parameters changed to use the PARAMS() macro.
614 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
616 * except.h (struct handler_info): Add handler_number field.
617 * except.c (gen_exception_label): EH labels no longer need to be
618 on the permanent obstack.
619 (get_new_handler): Set the label number field.
620 (output_exception_table_entry): Regenerate handler label reference
621 from the label number field.
622 (init_eh): Remove a blank line.
623 * integrate.c (get_label_from_map): Labels no longer need to be
624 on the permanent obstack.
626 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
628 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
629 only when OUTER_CODE is SET.
631 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
633 * loop.c (strength_reduce): If scan_start points to the loop exit
634 test, be wary of subversive use of gotos inside expression statements.
635 Don't set maybe_multiple for a backward jump that does not
636 include the label under consideration into its range.
637 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
639 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
641 * explow.c (plus_constant_wide): Don't immediately return with
642 result of recursive call.
644 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
646 * eh-common.h (struct eh_context): Add table_index for rethrows.
648 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
649 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
650 processed when inlined or unrolled (ie duplicated in some way).
652 * rtl.c (reg_note_name): Add strings for new reg_note enums.
654 * expr.h (rethrow_libfunc): New library decl.
656 * optabs.c (rethrow_libfunc): Initialize.
658 * except.h (struct eh_entry): Add new field 'rethrow_label'.
659 (new_eh_region_entry): No longer exported from except.c.
660 (duplicate_handlers): Renamed to duplicate_eh_handlers and
662 (rethrow_symbol_map, rethrow_used): New exported functions.
663 (eh_region_from_symbol): New exported function.
665 * except.c (create_rethrow_ref): New function to create a single
666 SYMBOL_REF for a rethrow region.
667 (push_eh_entry): Initialize a rethrow ref.
668 (func_eh_entry): Add a rethrow_label field.
669 (new_eh_region_entry): Make static, and initialize the rethrow entry.
670 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
671 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
672 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
673 a region into an appropriate new symbol.
674 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
675 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
676 (end_catch_handler): Emit a barrier for new-exceptions since
677 control can never drop through the end of a catch block.
678 (expand_end_all_catch): new-exceptions never fall through a catch
680 (expand_rethrow): use __rethrow routine for new exceptions.
681 (output_exception_table_entry): Generate rethrow labels, if needed.
682 (output_exception_table): Generate start and end rethrow labels.
683 (init_eh): Create rethrow symbols for beginning and end of table.
684 (scan_region): Don't eliminate EH regions which are the targets of
687 * flow.c (make_edges): Add different edges for rethrow calls,
688 identified by having the REG_EH_RETHROW reg label.
689 (delete_unreachable_blocks): Don't delete regions markers which are
690 the target of a rethrow.
692 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
693 allow save_for_inline_copying to call duplicate_eh_handlers.
694 (save_for_inline_copying): Call duplicate_eh_handlers instead of
695 exposing internal details of exception regions.
696 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
697 (expand_inline_function_eh_labelmap): New callback routine to
698 allow expand_inline_function to call duplicate_eh_handlers.
699 (expand_inline_function): Call duplicate_eh_handlers instead of
700 exposing internal details of exception regions.
701 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
704 * libgcc2.c (find_exception_handler): Generalize to enable it to
705 pick up processing where it left off last time for a rethrow.
706 (__unwinding_cleanup): New function. debug hook which is called before
707 unwinding when __throw finds there is nothing but cleanups left.
708 (throw_helper): Common parts of __throw extracted out for reuse.
709 (__throw): Common parts moved to throw_helper.
710 (__rethrow): New function for performing rethrows.
712 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
714 * reload1.c (current_function_decl): Tweak declaration.
716 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
718 * c-decl.c (flag_isoc9x): Default off.
719 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
720 * cccp.c (print_help, main): Likewise.
721 * gcc.c (default_compilers): Update for -std=gnu*.
723 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
725 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
726 * demangle.h: Deleted.
728 * reload1.c (current_function_decl): Declare.
730 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
732 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
734 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
736 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
738 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
740 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
742 * configure: Rebuilt.
743 * system.h: If the *_unlocked functions are available use them
744 instead of the locked counterparts by defining macros.
745 * config.in: Regenerated.
747 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
749 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
750 wrong and should only be used for dump related things, not
751 debugging information, instead main_input_filename should be used.
752 Also, reuse output_file_directive if possible.
753 * i386/aix386ng.h (ASM_FILE_START): Likewise.
754 * i386/isc.h (ASM_FILE_START): Likewise.
755 * i386/win-nt.h (ASM_FILE_START): Likewise.
756 * i386/sun386.h (ASM_FILE_START): Likewise.
758 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
760 * configure.in (mips*-*-linux*): Handle big and little endian
762 * configure: Rebuilt.
764 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
766 * emit-rtl.c: Fix typo.
768 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
770 * reload1.c (eliminate_regs): Don't do anything, if we're not
773 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
775 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
777 * mips/mips.c (mips_select_section): Add comment.
779 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
781 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
782 characters in file names in #line to be consistent with #include
783 handling. We support escape prcessing in the # 1 "..." version of
784 the command. See also support in cp/lex.c.
785 (handle_directive): Likewise.
788 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
790 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
791 so it'll work on non-ASCII platforms. Always consider $ an
792 identifier character. Take no arguments.
793 (cpp_reader_init): Call initialize_char_syntax with no
795 (cpp_start_read): Don't call initialize_char_syntax again.
796 Clear is_idchar['$'] and is_idstart['$'] if not
797 opts->dollars_in_ident.
799 * cpplib.h (struct cpp_reader): Replace void *data element by
800 cpp_options *opts. Rearrange elements to make gdb printout
801 less annoying (put buffer stack at end).
802 (CPP_OPTIONS): Get rid of now-unnecessary cast.
804 * cppmain.c: s/data/opts/ when initializing cpp_reader
806 * c-decl.c: Likewise.
807 * objc/objc-act.c: Likewise.
808 * fix-header.c: Likewise.
810 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
812 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
813 with a struct file_name_list pointer.
814 (struct cpp_reader): Add pointer to chain of `actual
815 directory' include searchpath entries.
816 (struct file_name_list): Add *alloc pointer for the sake of
817 the actual-directory chain.
819 Move definition of HOST_WIDE_INT here.
820 (cpp_parse_escape): Change prototype to match changes in
823 * cppfiles.c (actual_directory): New function.
824 (finclude): Use it to initialize the buffer's actual_dir
826 (find_include_file): We don't need to fix up max_include_len
829 * cpplib.c (do_include): Don't allocate a file_name_list on
830 the fly for current directory "" includes, use the one that's
831 been preallocated in pfile->buffer->actual_dir. Hoist out
832 duplicate code from the search_start selection logic.
833 (cpp_reader_init): Initialize pfile->actual_dirs.
835 Remove definition of HOST_WIDE_INT. Change calls
836 to cpp_parse_escape to match changes in cppexp.c (note
837 hardcoded MASK, which is safe since this is the source
840 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
841 to handle wide character constants in #if directives. The
842 function now returns a HOST_WIDE_INT, and takes a third
843 argument which is a binary mask for all legal values (0x00ff
844 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
845 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
846 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
848 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
850 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
852 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
854 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
855 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
856 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
858 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
860 * final.c (output_asm_name): Use tabs to seperate comments from
863 Include instruction lengths (if defined) in output.
865 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
867 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
868 in the loop_info structure.
870 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
872 * configure.in: (arm*-*-ecos-elf): New target.
873 * configure: Regenerated.
874 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
875 * config/arm/ecos-elf.h: New file.
876 * config/arm/unknown-elf.h (TARGET_VERSION): Check
879 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
881 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
883 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
885 * version.c: Bump for snapshot.
887 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
889 * loop.c (check_dbra_loop): New argument loop_info. Update fields
892 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
894 * version.c: Bump for snapshot.
896 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
898 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
899 compressed reports are ok and preferred over URLs
901 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
903 * invoke.texi (Warning Options): Soften the tone of -pedantic
905 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
907 * print-rtl.c (print_rtx): Add prototype.
909 * unroll.c (iteration_info): Make it static.
911 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
913 * alias.c (memrefs_conflict_p): A second ANDed address
914 disables the aligned address optimization.
916 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
918 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
921 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
923 * i960.h (BOOL_TYPE_SIZE): Define.
925 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
927 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
928 from old valid_parallel_operands_4.
929 (valid_parallel_operands_4): Check that operands for 4 operand
930 parallel insns are valid, excluding load/store insns.
931 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
932 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
933 valid_parallel_load_store instead of valid_parallel_operands_4.
934 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
935 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
936 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
937 *notqi_movqi_clobber): Use valid_parallel_operands_4.
938 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
939 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
940 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
942 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
944 * config/c4x/c4x.c (iteration_info): Delete extern.
946 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
948 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
950 * final.c (cleanup_subreg_operands): Delete some unused code.
952 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
953 (struct insn_alternative): New structure definition.
954 (recog_op_alt): Declare variable.
955 (preprocess_constraints): Declare function.
956 * recog.c (recog_op_alt): New variable.
957 (extract_insn): Verify number of alternatives is in range.
958 (preprocess_constraints): New function.
959 * reg-stack.c: Include recog.h.
960 (constrain_asm_operands): Delete.
961 (get_asm_operand_lengths): Delete.
962 (get_asm_operand_n_inputs): New function.
963 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
964 N_OUTPUTS args. All callers changed.
965 Compute number of inputs and outputs here by calling
966 get_asm_operand_n_inputs.
967 Instead of constrain_asm_operands, call extract_insn,
968 constrain_operands and preprocess_constaints. Use information
969 computed by these functions throughout.
970 (record_reg_life): Delete code that is unused due to changes in
972 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
973 N_INPUTS and N_OUTPUTS args. All callers changed.
974 Similar changes as in record_asm_reg_life.
975 (subst_stack_regs): Move n_operands declaration into the if statement
977 Delete code that is unused due to changes in subst_asm_stack_regs.
978 * stmt.c (expand_asm_operands): Verify number of alternatives is in
980 * Makefile.in (reg-stack.o): Depend on recog.h.
982 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
984 * except.c (set_exception_version_code): Argument is an "int".
986 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
988 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
989 * configure: Rebuilt.
991 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
993 * configure.in (mipsel-*-linux*): New target.
994 * mips/linux.h: New file, based on other Linux targets.
996 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
998 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
999 runs in the context of the deleter, not the deletee, so we must
1000 use taskVarGet to find the correct memory to free.
1001 (__gthread_key_create): Initialize the task
1002 variable subsystem so that the task variable is still active when
1003 the delete hook is run.
1005 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1007 * pdp11.h: Use optimize_size for space optimizations.
1008 * pdp11.c: Likewise.
1009 * pdp11.md: Likewise.
1011 * pdp11.h (TARGET_40_PLUS): Fix typo.
1013 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1015 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1018 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1020 * alias.c (addr_side_effect_eval): New function.
1021 (memrefs_conflict_p): Use it.
1022 * rtl.h (addr_side_effect_eval): Prototype it.
1024 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1026 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1028 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1030 * reload.c (find_reloads): When force const to memory, put result
1031 in substed_operand not *recog_operand_loc.
1033 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1035 * c-lex.c: Fix indentation from last patch.
1036 Remove trailing whitespace.
1039 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1041 * flow.c (delete_block): Call set_last_insn after we have reset
1042 NEXT_INSN (kept_tail).
1044 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1046 * mips.md (trap_if): Use "$0" for the value zero.
1048 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1049 Stephen L Moshier <moshier@world.std.com>
1050 Richard Henderson <rth@cygnus.com>
1052 * c-common.c (declare_function_name): Declare predefinied variable
1055 * c-decl.c (flag_isoc9x): Set to 1 by default.
1056 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1057 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1059 * c-parse.in: Allow constructors in ISO C 9x.
1060 Rewrite designator list handling.
1061 Allow [*] parameters.
1062 Don't warn about comma at end of enum definition for ISO C 9x.
1064 * cccp.c (c9x): New variable.
1065 (rest_extension): New variable.
1066 (print_help): Document new -std= option.
1067 (main): Recognize -std= option. Set c9x appropriately.
1068 (create_definition): Recognize ISO C 9x vararg macros.
1070 * gcc.c (default_compilers): Adjust specs for -std options.
1071 (option_map): Add --std.
1072 (display_help): Document -std.
1074 * toplev.c (documented_lang_options): Add -std and remove
1077 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1078 or REAL_VALUE_HTOF based on base of the constants.
1079 * fold-const.c (real_hex_to_f): New function. Replacement function
1080 for hex FP conversion if REAL_ARITHMETIC is not defined.
1081 * real.c (asctoeg): Add handling of hex FP constants.
1082 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1085 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1087 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1088 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1089 expansion. Use hi/lo as destination register.
1091 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1092 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1093 Avoid as macro expansion. Use hi/lo as destination register.
1095 * mips.h (MASK_CHECK_RANGE_DIV): New.
1096 (MASK_NO_CHECK_ZERO_DIV): New.
1097 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1098 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1099 return address for leaf functions out of r31 to support
1100 builtin_return_address.
1102 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1104 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1105 NEXT_INSN(x) to check insn x.
1107 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1109 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1110 last insn in the rtl chain.
1112 * reload1.c (reload): Do not set reload_completed or split insns
1114 * toplev.c (rest_of_compilation): Set reload_completed after
1115 reload returns. Split insns after reload_cse has run.
1117 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1119 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1121 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1123 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1125 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1127 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1128 use of user-label_prefix.
1130 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1132 * reload1.c (emit_reload_insns): Clear spill_reg_store
1133 when doing a new non-inherited reload from the same pseudo.
1135 * local-alloc.c (function_invariant_p): New function.
1136 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1137 to decide if an equivalence should be recorded.
1138 * reload1.c (num_eliminable_invariants): New static variable.
1139 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1140 to decide if an equivalence should be recorded.
1142 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1143 Take num_eliminable_invariants into account when deciding
1144 if register elimination should be done.
1145 (reload_as_needed): Take num_eliminable_invariants into account
1146 when deciding if register elimination should be done.
1147 (eliminate_regs): Handle non-constant reg_equiv_constant.
1148 * rtl.h (function_invariant_p): Declare.
1150 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1152 * version.c: Bump for snapshot.
1154 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1156 * version.c: Bump for snapshot.
1158 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1160 * except.c (add_new_handler): Complain about additional handlers
1161 after one that catches everything.
1163 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1165 * configure.in (alpha*-*-netbsd): Fix typo.
1166 * configure: Rebuilt.
1168 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1170 * system.h: Include libiberty.h.
1172 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1173 function `concat' from fixed parameters to variable parameters,
1174 as is done in libiberty. All callers of concat/concat3
1175 changed to use the new `concat' with variable args.
1177 * cccp.c: Remove things made redundant by libiberty.h and/or
1178 conform to libiberty standards.
1180 * collect2.c: Likewise.
1181 * config/1750a/1750a.h: Likewise.
1182 * cppalloc.c: Likewise.
1183 * cppexp.c: Likewise.
1184 * cppfiles.c: Likewise.
1185 * cpphash.c: Likewise.
1186 * cpplib.c: Likewise.
1187 * dyn-string.c: Likewise.
1188 * fix-header.c: Likewise.
1191 * genattr.c: Likewise.
1192 * genattrtab.c: Likewise.
1193 * gencheck.c: Likewise.
1194 * gencodes.c: Likewise.
1195 * genconfig.c: Likewise.
1196 * genemit.c: Likewise.
1197 * genextract.c: Likewise.
1198 * genflags.c: Likewise.
1199 * gengenrtl.c: Likewise.
1200 * genopinit.c: Likewise.
1201 * genoutput.c: Likewise.
1202 * genpeep.c: Likewise.
1203 * genrecog.c: Likewise.
1204 * getpwd.c: Likewise.
1205 * halfpic.c: Likewise.
1207 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1208 in NEED_DECLARATION_* macros.
1210 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1211 conform to libiberty standards.
1212 (fatal): Fix const-ification of variable `format' in
1213 !ANSI_PROTOTYPES case.
1215 * prefix.c: Remove things made redundant by libiberty.h and/or
1216 conform to libiberty standards.
1218 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1219 conflicting with function `spaces' from libiberty.
1221 * profile.c: Remove things made redundant by libiberty.h and/or
1222 conform to libiberty standards.
1223 * protoize.c: Likewise.
1226 * tlink.c: Likewise.
1227 * toplev.c: Likewise.
1228 * toplev.h: Likewise.
1231 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1233 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1235 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1237 * README.C4X: Updated URLs.
1238 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1239 (valid_parallel_operands_5): Remove unused variable.
1241 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1243 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1245 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1247 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1248 which can be configured.
1249 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1250 (Makefile): Pass actual LANGUAGES through the environment when
1252 (cstamp-h): Likewise.
1253 (config.status): Likewise.
1255 * configure.in (enable_languages): Add new configuration parameter
1256 "--enable-languages=lang1,lang2,...".
1257 (${srcdir}/*/config-lang.in): Change handling to configure only
1258 those directories, that the user might have enabled; default to
1259 "all" existing languages.
1260 * configure: Regenerate.
1262 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1264 * rtlanal.c (regs_set_between_p): New function.
1265 * rtl.h (regs_set_between_p): Prototype it.
1266 * jump.c (jump_optimize): Use it instead of modified_between_p
1267 in the Sep 2 change.
1269 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1270 Matthias Pfaller <leo@dachau.marco.de>
1272 * invoke.texi (Option Summary, NS32K Options): add description
1273 of NS32K specific options.
1275 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1276 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1277 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1278 negdf2, absdf2): Use l instead of f since the double class and
1279 float class are no longer the same.
1280 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1281 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1282 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1283 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1285 (cmpsi, cmphi, cmpqi): use general_operand instead of
1286 non_immediate_operand. Removes erroneous assumption that can't
1288 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1289 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1291 (movstrsi, movstrsi1, movstrsi2): completely new block move
1293 (...): Patterns to exploit multiply-add instructions.
1294 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1295 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1296 patterns to exploit extended divide insns.
1297 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1300 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1301 float return values as well as simple scalar floats.
1302 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1303 support new flag to denote 32381 fpu.
1304 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1305 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1307 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1308 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1309 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1310 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1311 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1312 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1313 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1314 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1315 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1316 fpu registers and special register classes for new 32381
1317 instructions dotf and polyf.
1318 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1320 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1321 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1323 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1324 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1325 (REGISTER_MOVE_COST): move code to register_move_cost function for
1326 ease of coding and debugging.
1327 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1328 LONG_FLOAT_REGO is likely spilled but not caught by default
1330 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1331 instead of hard coded numbers in range check.
1332 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1333 (...): Add prototypes for functions in ns32k.c but disable because
1334 of problems when ns32k.h is included in machine independant files.
1336 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1337 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1338 hard_regno_mode_ok, secondary_reload_class,
1339 print_operand, print_operand_address): new register scheme to
1340 include 32381 fpu registers and special register classes for new
1341 32381 instructions dotf and polyf.
1342 (gen_indexed_expr): Make static to keep namespace clean.
1343 (check_reg): remove since never called.
1344 (move_tail, expand_block_move): helper functions for "movstrsi"
1346 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1347 Increase cost of moves which go via memory.
1348 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1349 (CPP_PREDEFINES): nolonger predefine "unix".
1351 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1352 Remove erroneous %$. print_operand() can work out from the rtx is
1353 an immediate prefix is required.
1355 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1356 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1357 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1359 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1362 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1363 Correct handling of pic operands.
1364 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1365 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1366 -mrtd calling convention.
1368 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1370 * gcc.c (option_map): Recognize --output-class-directory.
1372 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1374 * loop.h (precondition_loop_p): Added new mode argument.
1375 * unroll.c (precondition_loop_p): Likewise.
1376 (approx_final_value): Function deleted and subsumed
1377 into loop_iterations.
1378 (loop_find_equiv_value): New function.
1379 (loop_iterations): Use loop_find_equiv_value to find increments
1380 too large to be immediate constants. Also use it to find terms
1381 common to initial and final iteration values that can be removed.
1383 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1385 * loop.h (struct loop_info): Define new structure.
1386 (precondition_loop_p): Added prototype.
1387 (unroll_loop): Added new argument loop_info to prototype.
1388 (final_biv_value, final_giv_value): Added new argument n_iterations
1390 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1391 and new pointer loop_info.
1392 (loop_n_iterations): Replace global variable by element in
1393 loop_info structure.
1394 (check_final_value): New argument n_iterations.
1395 (insert_bct): New argument loop_info.
1396 (loop_unroll_factor): Replace global array by element in
1397 loop_info structure.
1398 (loop_optimize): Remove code to allocate and initialise
1399 loop_unroll_factor_array.
1400 * unroll.c (precondition_loop_p): No longer static since
1401 used by branch on count optimization.
1402 (precondition_loop_p, unroll_loop): New argument loop_info.
1403 (final_biv_value, final_giv_value, find_splittable_regs): New
1404 argument n_iterations.
1405 (loop_iteration_var, loop_initial_value, loop_increment,
1406 loop_final_value, loop_comparison_code, loop_unroll_factor):
1407 Replaced global variables by loop_info structure.
1408 (loop_unroll_factor): Replace global array by element in
1409 loop_info structure.
1411 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1413 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1416 * unroll.c (precondition_loop_p): Return loop_initial_value
1417 for initial_value instead of loop_iteration_var.
1419 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1421 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1422 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1423 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1424 to output the instruction sequences.
1426 (rptb_top): Provide alternatives to use any register or memory
1428 (rptb_end): Emit use of operands rather than assigning them
1429 explicitly to the RS and RE registers.
1431 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1433 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1434 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1435 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1436 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1437 c4x_merge_notes, c4x_parallel_process,
1438 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1439 c4x_combine_parallel): Delete.
1441 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1443 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1444 with old target options clear flag_branch_on_count_reg if
1445 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1447 (c4x_output_cbranch): Handle a sequence of insns rather than a
1449 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1450 has not been allocated as the loop counter.
1451 (c4x_address_conflict): Do not allow two volatile memory references.
1452 (valid_parallel_operands_4, valid_parallel_operands_5,
1453 valid_parallel_operands_6): Reject pattern if the register destination
1454 of the first set is used as part of an address in the second set.
1456 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1458 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1459 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1460 is no longer enabled if PARALLEL_MPY_FLAG set.
1461 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1462 (REG_CLASS_CONTENTS): Add braces around initializers.
1463 (HAVE_MULTIPLE_PACK): Define.
1464 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1465 REAL_VALUE_TO_DECIMAL.
1466 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1467 REAL_VALUE_TO_DECIMAL.
1468 (ar0_reg_operand): Add prototype.
1469 (ar0_mem_operand): Likewise.
1470 (ar1_reg_operand): Likewise.
1471 (ar1_mem_operand): Likewise.
1472 (ar2_reg_operand): Likewise.
1473 (ar2_mem_operand): Likewise.
1474 (ar3_reg_operand): Likewise.
1475 (ar3_mem_operand): Likewise.
1476 (ar4_reg_operand): Likewise.
1477 (ar4_mem_operand): Likewise.
1478 (ar5_reg_operand): Likewise.
1479 (ar5_mem_operand): Likewise.
1480 (ar6_reg_operand): Likewise.
1481 (ar6_mem_operand): Likewise.
1482 (ar7_reg_operand): Likewise.
1483 (ar7_mem_operand): Likewise.
1484 (ir0_reg_operand): Likewise.
1485 (ir0_mem_operand): Likewise.
1486 (ir1_reg_operand): Likewise.
1487 (ir1_mem_operand): Likewise.
1488 (group1_reg_operand): Likewise.
1489 (group1_mem_operand): Likewise.
1490 (ir1_reg_operand): Likewise.
1491 (arx_reg_operand): Likewise.
1492 (not_rc_reg): Likewise.
1493 (not_modify_reg): Likewise.
1494 (c4x_group1_reg_operand): Remove prototype.
1495 (c4x_group1_mem_operand): Likewise.
1496 (c4x_arx_reg_operand): Likewise.
1498 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1500 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1501 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1503 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1505 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1508 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1510 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1511 unless FMOVD_WORKS is defined.
1513 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1515 * regclass.c (init_reg_sets): Move code that calculates tables
1516 dependent on reg_class_contents from here...
1517 (init_reg_sets_1): To here.
1519 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1521 * cpplib.h: Delete struct import_file. Add ihash element to
1522 struct cpp_buffer. Delete dont_repeat_files and
1523 import_hash_table elements from cpp_reader; change
1524 all_include_files to a hash table. Delete all foobar_include
1525 / last_foobar_include elements from struct cpp_options; put
1526 back four such: quote_include, bracket_include,
1527 system_include, after_include. Redo struct file_name_list
1528 completely. Add new structure type include_hash. Add
1529 prototypes for merge_include_chains and include_hash. Change
1530 prototypes for finclude, find_include_file, and
1531 append_include_chain to match changes below.
1533 * cppfiles.c (simplify_pathname, include_hash,
1534 remap_filename, merge_include_chains): New functions.
1535 (add_import, lookup_import, open_include_file): Removed.
1536 (INO_T_EQ): Define this (copied from cccp.c).
1537 (hack_vms_include_specification): Remove all calls and #if 0
1538 out the definition. It was being called incorrectly and at
1539 the wrong times. Until a VMSie can look at this, it's better
1540 to not pretend to support it.
1541 (append_include_chain): Change calling convention; now takes
1542 only one directory at a time, and sets up the data structure
1544 (redundant_include_p): Rewritten - this is now used for all
1545 include redundancy, whether by #ifndef, #import, or #pragma
1546 once. Looks up things in the include hash table.
1547 (file_cleanup): Decrement pfile->system_include_depth here if
1549 (find_include_file): Calling convention changed; now passes
1550 around a struct include_hash instead of 3 separate parameters.
1551 Guts ripped out and replaced with new include_hash mechanism.
1552 (finclude): Calling convention changed as for
1553 find_include_file. Error exits pulled out-of-line. Reformat.
1554 (safe_read): Return a long, not an int.
1555 (deps_output): Don't recurse.
1557 * cpplib.c (is_system_include): Deleted.
1558 (path_include): Fix up call to append_include_chain.
1559 (do_include): Fix up calls to find_include_file and finclude.
1560 Clean up dependency output a bit. Shorten obnoxiously lengthy
1561 #import warning message. Don't decrement
1562 pfile->system_include_depth here.
1563 (do_pragma): Understand the include_hash structure. Reformat.
1564 (do_endif): Correct handling of control macros. Understand
1566 (cpp_start_read): Fix up calls to finclude. Call
1567 merge_include_chains.
1568 (cpp_handle_option): Fix up calls to append_include_chain.
1569 Understand the four partial include chains.
1570 (cpp_finish): Add debugging code (#if 0-ed out) for the
1572 (cpp_cleanup): Free the include_hash, not the import hash and
1573 the all_include and dont_repeat lists which no longer exist.
1575 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1577 * toplev.c (no_new_pseudos): Define.
1578 (rest_of_compilation): Set no_new_pseudos as needed.
1579 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1580 if no_new_pseudos is set.
1581 * rtl.h (no_new_pseudos): Declare it.
1582 * reload1.c (reload): Update comments.
1583 * md.texi: Corresponding changes.
1585 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1587 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1588 (choose_reload_regs): Rename it here as well. When computing it,
1589 also merge in used hardregs.
1591 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1593 * gcc.c: Split out Objective-C specs to...
1594 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1597 * c-lex.c (init_parse): Always initialize the filename global.
1598 * objc/objc-act.c (lang_init): Always call check_newline at
1601 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1603 * reload1.c (reload): Remove unused variable.
1604 (reload_reg_free_for_value_p): Add missing parameter definition.
1606 * jump.c (jump_optimize): Remove unused variable.
1608 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1610 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1612 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1614 * expr.c (move_by_pieces): Similarly.
1615 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1616 * flow.c (find_auto_inc): Similarly.
1617 (try_pre_increment): Similarly.
1618 * loop.c (strength_reduce): Similarly.
1619 * regclass.c (auto_inc_dec_reg_p): Similarly.
1620 * regmove.c (try_auto_increment): Similarly.
1621 (fixup_match_1): Similarly.
1622 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1623 (HAVE_PRE_DECREMENT): Similarly.
1624 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1625 * Corresponding changes to all target header files.
1626 * tm.texi: Update docs for autoinc addressing modes.
1628 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1630 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1631 * configure: Rebuild.
1632 * config/elfos.h: New file.
1633 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1634 config/m68k/t-m68kelf: New file.
1636 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1638 * Makefile.in (HOST_AR): Define.
1639 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1640 (libcpp.a): Use the host tools explicitly.
1641 (STAGESTUFF): Add libcpp.a.
1643 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1645 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1646 to source and destination registers.
1648 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1650 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1651 The strategy we now use is to pre allocate the top_elt along
1652 with the EH context so that each thread has its own top_elt.
1653 This is necessary as the dynmanic cleanup chain is used on the
1654 top element of the stack and each thread MUST have its own.
1655 (eh_context_static): Likewise.
1656 (new_eh_context): Likewise.
1657 (__sjthrow): Likewise.
1659 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1661 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1662 * i386.md (prologue_get_pc): Remove unused variable.
1664 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1666 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1668 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1670 * Makefile.in (OBJS): Add graph.o
1671 (graph.o): New dependency list.
1672 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1673 * print-rtl.c (dump_for_graph): Define new variable.
1674 (print_rtx): Rewrite to allow use in graph dumping functions.
1675 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1676 finish_graph_dump_file.
1677 Define graph_dump_format.
1678 (compile_file): If graph dumping is enabled also clear these files.
1679 Finish graph dump files.
1680 (rest_of_compilation): Also dump graph information if enabled.
1681 (main): Recognize -dv to enabled VCG based graph dumping.
1682 * graph.c: New file. Graph dumping functions.
1684 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1686 * configure.in: Look for <sys/stat.h>.
1687 * system.h: Include it before substitute S_ISREG definitions.
1689 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1691 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1692 * config/mips/iris6.h: Same.
1693 * config/mips/mips.md: Same.
1694 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1695 * config/mips/mips.h: Same; also define ABI_O64.
1697 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1699 * configure.in: Use AC_PREREQ(2.12.1).
1701 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1703 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1704 * cpplib.c, gcc.c: Likewise.
1705 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1707 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1709 * local-alloc.c (local_alloc): Use malloc not alloca for
1710 reg_qty, reg_offset, ref_next_in_qty.
1712 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1714 * caller-save.c (insert_one_insn): Initialize the live_before and
1715 live_after register sets.
1719 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1720 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1721 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1722 (fp_reg_names, assembler_dialect): New variables.
1723 (print_operand_address): Handle SUBREGs.
1724 (print_operand): Added 'o' case.
1725 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1726 Name of FP registers depends on mode.
1727 (expand_block_move): Emit different code for SH4 hardware.
1728 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1729 (from_compare): Likewise.
1730 (add_constant): New argument last_value. Changed all callers.
1731 (find_barrier): Don't try HImode load for FPUL_REG.
1732 (machine_dependent_reorg): Likewise.
1733 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1734 (gen_far_branch): Emit a barrier after the new jump.
1735 (barrier_align): Don't trust instruction lengths before
1737 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1738 Use auto-inc addressing for fp registers if doubles need to
1739 be loaded in two steps.
1740 Set sh_flag_remove_dead_before_cse.
1741 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1742 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1743 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1744 Support for FIRST_XD_REG .. LAST_XD_REG.
1745 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1746 (sh_expand_epilogue): Likewise.
1747 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1748 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1749 (arith_reg_operand): FPUL_REG is OK for SH4.
1750 (fp_arith_reg_operand, fp_extended_operand) New functions.
1751 (tertiary_reload_operand, fpscr_operand): Likewise.
1752 (commutative_float_operator, noncommutative_float_operator): Likewise.
1753 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1754 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1755 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1756 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1757 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1758 (CONDITIONAL_REGISTER_USAGE): Likewise.
1759 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1760 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1761 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1762 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1763 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1764 to -1 and sh_flag_remove_dead_before_cse to 1.
1765 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1766 (assembler_dialect, fp_reg_names): Declare.
1767 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1768 Hide names of registers that are not accessible.
1769 (CACHE_LOG): Take TARGET_CACHE32 into account.
1770 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1771 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1772 (FIRST_PSEUDO_REGISTER: Now 49.
1773 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1774 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1775 (HARD_REGNO_MODE_OK): Update.
1776 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1777 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1778 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1779 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1780 (NPARM_REGS): Eight floating point parameter registers on SH4.
1781 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1782 in floating point registers.
1783 (GET_SH_ARG_CLASS) Likewise.
1784 Complex float types are also returned in float registers.
1785 (BASE_ARG_REG): Complex float types are also passes in float registers.
1786 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1787 (LIBCALL_VALUE): Remove trailing semicolon.
1788 (ROUND_REG): Round when double precision value is passed in floating
1790 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1791 passed on the stack.
1792 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1793 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1794 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1795 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1796 (MODE_DISP_OK_8): Not for SH4 DFmode.
1797 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1798 Allow indexed addressing for PSImode after reload.
1799 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1800 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1801 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1802 (DOUBLE_TYPE_SIZE): 64 for SH4.
1803 (RTX_COSTS): Add PLUS case.
1804 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1805 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1806 MAC_REGS, PR_REGS, DF_REGS.
1807 (REGISTER_NAMES): Use fp_reg_names.
1808 (enum processor_type): Add PROCESSOR_SH4.
1809 (sh_flag_remove_dead_before_cse): Declare.
1810 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1811 (PREDICATE_CODES): Add binary_float_operator,
1812 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1813 fpscr_operand, noncommutative_float_operator.
1814 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1815 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1816 * sh.md (attribute cpu): Add value sh4.
1817 (attrbutes fmovd, issues): Define.
1818 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1819 (function units memory, int, mpy, fp): Make dependent on issue rate.
1820 (function units issue, single_issue, load_si, load): Define.
1821 (function units load_store, fdiv, gp_fpul): Define.
1822 (attribute hit_stack): Provide proper default.
1823 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1824 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1825 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1826 (mulsi3_call): Now uses match_operand for function address.
1827 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1829 (push, pop, push_e, pop_e): Now define_expands.
1830 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1831 (movsi_ie): Added y/i alternative.
1832 (ic_invalidate_line_i, movdf_i4): New insns.
1833 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1834 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1835 (movdf): Add special code for SH4.
1836 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1837 (call_valuei, calli, call_value): Likewise.
1838 (movsf): Emit no-op move.
1839 (mov_nop, movsi_y): New insns.
1840 (blt, sge): generalize to handle DFmode.
1841 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1842 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1843 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1844 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1845 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1846 (toggle_sz): New insn.
1847 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1848 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1849 (macsf3): Make use of fpscr visible. Disable for SH4.
1850 (floatsisf2): Make use of fpscr visible.
1851 (floatsisf2_i4): New insn.
1852 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1853 (ieee_ccmpeqsf_t): Likewise.
1854 (fix_truncsfsi2): Emit different code for SH4.
1855 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1856 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1857 (negsf2, sqrtsf2, abssf2): Now expanders.
1858 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1859 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1860 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1861 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1862 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1863 (fix_truncdfsi2_i4_2+1): New splitters.
1864 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1865 (extendsfdf2, truncdfsf2): New expanders.
1866 (truncdfsf2_i4): New insn.
1867 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1868 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1869 * float-sh.h: When testing for __SH3E__, also test for
1870 __SH4_SINGLE_ONLY__ .
1871 * va-sh.h (__va_freg): Define to float.
1872 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1873 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1874 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1875 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1877 (TARGET_SH4_P): Define.
1880 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1881 init_expr_once is satisfied about the existence of load / store insns.
1883 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1884 change m constraint in source operand to mr / mf .
1886 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1888 * (__VA_REEF): Define.
1889 (__va_arg_sh1): Use it.
1891 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1893 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1895 * i386/dgux.c (struct option): Add new "description field".
1896 * m88k/m88k.c (struct option): Likewise.
1898 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1900 * version.c: Bump for snapshot.
1902 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1904 * regmove.c (regmove_profitable_p): Use return value of find_matches
1907 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1909 * version.c: Bump for snapshot.
1911 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1913 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1914 without reload having been called earlier.
1916 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1918 (v850_reorg): Similarly.
1920 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1922 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1924 * loop.c (move_movables): Start of libcall might be new loop start.
1926 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1928 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1930 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1932 * function.c (nonlocal_goto_handler_slots): Renamed from
1933 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1934 (push_function_context_to): Adjust for this change.
1935 (pop_function_context_from): Likewise.
1936 (init_function_start): Likewise.
1937 (expand_function_end): Likewise.
1938 * function.h (struct function): Likewise.
1939 * calls.c (expand_call): Likewise.
1940 * explow.c (allocate_dynamic_stack_space): Likewise.
1941 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1942 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1944 (expand_goto): When doing a nonlocal goto, find corresponding handler
1945 slot for it. Don't put the label address in the static chain register.
1946 (expand_end_bindings): Break out nonlocal goto handling code into
1947 three new functions.
1948 (expand_nl_handler_label, expand_nl_goto_receiver,
1949 expand_nl_goto_receivers): New static functions, broken out of
1950 expand_end_bindings and adapted to create one handler per nonlocal
1952 * function.c (delete_handlers): Delete insn if it references any of
1953 the nonlocal goto handler slots.
1954 * i960.md (nonlocal_goto): Comment out code that modifies
1956 * sparc.md (nonlocal_goto): Likewise.
1957 (goto_handler_and_restore_v9): Comment out.
1958 (goto_handler_and_restore_v9_sp64): Comment out.
1960 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1962 * expr.c (STACK_BYTES): Delete unused macro.
1963 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1964 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1965 (expand_call): Likewise.
1966 (emit_library_call): Likewise.
1967 (emit_library_call_value): Likewise.
1968 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1969 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1970 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1971 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1972 (allocate_dynamic_stack_space): Likewise.
1973 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1974 (STACK_BOUNDARY): Update description to reflect the new situation.
1976 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1978 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1979 return with a filled delay slot is followed by a return with an
1980 unfilled delay slot, delete the first return and reemit the insn
1981 that was previously in its delay slot.
1983 * i860.c (single_insn_src_p): Add missing parens.
1984 * ginclude/math-3300.h: Likewise.
1986 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1988 * regclass.c (init_reg_sets_1): Add prototype.
1989 (init_reg_modes): Likewise.
1991 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1993 * c-common.c: Change warning messages to say `comparison is
1994 always true' or `comparison is always false' instead of the
1995 confusing `is always 0', `is always 1'.
1997 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1999 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2000 break instead of return (which loses closing '>').
2002 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2004 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2005 standard 387 constants.
2007 * i386.md (jump): Explicitly set "memory" attribute.
2008 (indirect_jump, prologue_set_stack_ptr): Likewise.
2009 (prologue_get_pc_and_set_got, pop): Likewise.
2010 (allocate_stack_worder, blockage, return_internal): Likewise.
2011 (return_pop_internal, nop): Likewise.
2012 (epilogue_set_stack_ptr, leave): Likewise.
2014 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2016 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2018 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2020 * reload1.c (reload_reg_free_for_value_p):
2021 Early auto_inc reloads don't conflict with outputs.
2023 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2025 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2026 Instead call AC_HEADER_SYS_WAIT.
2028 * collect2.c: Don't provide defaults for sys/wait.h macros.
2030 * protoize.c: Likewise. Also, don't include sys/wait.h.
2032 * system.h: Include sys/wait.h and provide macro defaults.
2034 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2036 * Makefile.in (mandir): Set to @mandir@.
2037 (man1dir): New variable to hold the former value of $(mandir).
2038 Replace all uses of $(mandir) by $(man1dir).
2040 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2042 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2043 a new one before passing it to force_const_mem.
2045 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2046 find_reloads_address call.
2048 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2050 * expr.c (store_expr): Don't generate load-store pair
2051 if TEMP is identical (according to ==) with TARGET.
2053 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2055 * reload1.c (reload_reg_free_for_value_p): When considered reload
2056 has an output, matching inputs are not sufficient to avoid conflict.
2058 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2060 * hash.h (hash_table_key): New type.
2061 (hash_entry): Change `string' field to generic `key'.
2062 (hash_table): Add `comp' and `hash' functions.
2063 (hash_table_init): Take them as input.
2064 (hash_table_init_n): Likewise.
2065 (hash_lookup): Modify for generic keys.
2066 (hash_newfunc): Likewise.
2067 (hash_traverse): Likewise.
2068 (string_hash): New function.
2069 (string_compare): Likewise.
2070 (string_copy): Likewise.
2071 * hash.c (hash_table_init_n): Modify for generic keys.
2072 (hash_table_init): Likewise.
2073 (hash_lookup): Likewise.
2074 (hash_newfunc): Likewise.
2075 (hash_traverse): Likewise.
2076 (string_hash): Split out from hash_lookup.
2077 (string_compare): New function.
2078 (string_copy): Split out from hash_lookup.
2079 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2081 (symbol_hash_lookup): Likewise.
2082 (file_hash_newfunc): Likewise.
2083 (file_hash_lookup): Likewise.
2084 (demangled_hash_newfunc): Likewise.
2085 (demangled_hash_lookup): Likewise.
2086 (tlink_int): Likewise.
2087 (read_repo_file): Likewise.
2088 (recompile_files): Likewise.
2089 (demangle_new_symbols): Likewise.
2090 (scan_linker_output): Likewise.
2092 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2094 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2096 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2098 * rs6000.c (output_mi_thunk): Improve test for local branch.
2100 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2102 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2104 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2106 * reload1.c (reload_reg_free_before_p): Delete.
2107 Changed all callers to use reload_reg_free_for_value_p instead.
2108 (reload_reg_free_for_value_p): Handle more reload types.
2109 A RELOAD_FOR_INPUT doesn't conflict with its
2110 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2111 Add special case for OUT == const0_rtx.
2112 Added ignore_address_reloads argument. Changed all callers.
2114 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2116 * toplev.c (compile_file): Don't pedwarn about undefined static
2117 functions just because we passed -Wunused.
2119 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2121 * function.c (purge_addressof_1): Unshare rtl created by
2124 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2126 * regmove.c (regmove_optimize): Don't do anything but
2127 optimize_reg_copy[123] when flag_regmove is not set.
2129 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2131 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2132 value in paradoxical SImode result, rather than truncating midpoint.
2134 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2136 * alpha.c (reg_not_elim_operand): New.
2137 * alpha.h (PREDICATE_CODES): Add it.
2138 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2139 for the multiplicand.
2141 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2143 * rs6000.md (movsf): Remove explicit secondary-reload-like
2144 functionality. Only truncate SFmode store if in FPR.
2145 (movsf splitters): Combine const_double splitters.
2146 (movsf_hardfloat): Add GPR support.
2148 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2150 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2151 deprecate -mlive-g0 and -mbroken-saverestore.
2152 * t-splet (MULTILIB_OPTIONS): Likewise.
2154 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2155 in a leaf function. Clarify total_size/extra_size relationship.
2157 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2159 * i386/cygwin32.asm: Delete.
2160 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2161 * i386/cygwin32.h: Delete.
2162 * i386/cygwin.h: New file, renamed from cygwin32.h.
2163 * i386/t-cygwin32: Delete.
2164 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2165 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2166 * i386/x-cygwin32: Delete.
2167 * i386/x-cygwin: New file, renamed from x-cygwin32.
2168 * i386/xm-cygwin32: Delete.
2169 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2170 renamed cygwin_ funcs for path translations.
2171 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2172 * i386/winnt.c: Remove "32" from comment about cygwin.
2173 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2174 * rs6000/cygwin32.h: Delete.
2175 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2176 -D__CYGWIN__ to CPP_PREDEFINES.
2177 * rs6000/x-cygwin32: Delete.
2178 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2179 * rs6000/xm-cygwin32: Delete.
2180 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2182 * configure.in: Check for cygwin* instead of cygwin32. Account
2183 for the rename of cygwin-related config files to lose the "32"s.
2184 * configure: Regenerate.
2186 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2187 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2189 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2191 * Makefile.in (JAVAGC): New macro.
2192 * configure: Rebuilt.
2193 * configure.in: Recognize --enable-java-gc argument. Subst
2196 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2198 Handle equivalences that have been obscured by gcse:
2200 * reload1.c (reload): Handle equivalences set up in multiple places.
2201 * local-alloc.c (reg_equiv_init_insns): New variable.
2202 (no_equiv): New function.
2203 (update_equiv_regs): Handle equivalences set up in multiple places.
2204 Don't ignore an insn just because its destination is likely to be
2207 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2209 * except.c (expand_eh_return): Readd force_operand call lost in
2212 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2214 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2216 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2218 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2220 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2222 * regmove.c (regmove_optimize): Fix error in last change.
2224 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2226 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2227 offset in the .mask pseudo to compensate for frame pointer adjustments.
2228 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2229 word swap arguments moved to/from FP registers.
2230 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2232 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2234 * version.c: Bump for snapshot.
2236 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2238 * version.c: Bump for snapshot.
2240 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2242 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2243 times, then it can not be completely replaced.
2245 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2247 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2249 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2251 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2252 (to distinguish it from the macro wrapping ansidecl.h.)
2253 Include libiberty's ansidecl.h. Remove all redundant definitions.
2254 Define the PROTO() style macros in terms of the PARAMS() ones.
2257 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2258 __STDC__, when deciding whether to use ANSI variable args.
2259 (emit_library_call_value): Likewise.
2261 * cccp.c (error): Likewise.
2262 (warning): Likewise.
2263 (error_with_line): Likewise.
2264 (warning_with_line): Likewise.
2265 (pedwarn): Likewise.
2266 (pedwarn_with_line): Likewise.
2267 (pedwarn_with_file_and_line): Likewise.
2270 * cexp.y (error): Likewise.
2271 (pedwarn): Likewise.
2272 (warning): Likewise.
2274 * collect2.c (fatal_perror): Likewise.
2278 * combine.c (gen_rtx_combine): Likewise.
2280 * cpperror.c (cpp_message): Likewise.
2281 (cpp_fatal): Likewise.
2283 * cpplib.c (cpp_error): Likewise.
2284 (cpp_warning): Likewise.
2285 (cpp_pedwarn): Likewise.
2286 (cpp_error_with_line): Likewise.
2287 (cpp_warning_with_line): Likewise.
2288 (cpp_pedwarn_with_line): Likewise.
2289 (cpp_pedwarn_with_file_and_line): Likewise.
2291 * cpplib.h: Don't define PARAMS() macro.
2293 * demangle.h: Likewise.
2295 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2296 when deciding whether to use ANSI variable args.
2298 * emit-rtl.c (gen_rtx): Likewise.
2299 (gen_rtvec): Likewise.
2301 * final.c (asm_fprintf): Likewise.
2303 * fix-header.c (cpp_message): Likewise.
2305 (cpp_fatal): Likewise.
2307 * gcc.c (concat): Likewise.
2311 * genattr.c (fatal): Likewise.
2313 * genattrtab.c (attr_rtx): Likewise.
2314 (attr_printf): Likewise.
2317 * gencodes.c (fatal): Likewise.
2319 * genconfig.c (fatal): Likewise.
2321 * genemit.c (fatal): Likewise.
2323 * genextract.c (fatal): Likewise.
2325 * genflags.c (fatal): Likewise.
2327 * genopinit.c (fatal): Likewise.
2329 * genoutput.c (fatal): Likewise.
2332 * genpeep.c (fatal): Likewise.
2334 * genrecog.c (fatal): Likewise.
2336 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2337 deciding whether to declare `tree_node' and `rtx_def'.
2339 * hash.h: Don't define stuff we get from gansidecl.h.
2341 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2342 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2343 whether to use ANSI variable args.
2346 * prefix.c (concat): Likewise.
2350 * system.h: Likewise.
2352 * toplev.c (error_with_file_and_line): Likewise.
2353 (error_with_decl): Likewise.
2354 (error_for_asm): Likewise.
2357 (warning_with_file_and_line): Likewise.
2358 (warning_with_decl): Likewise.
2359 (warning_for_asm): Likewise.
2360 (warning): Likewise.
2361 (pedwarn): Likewise.
2362 (pedwarn_with_decl): Likewise.
2363 (pedwarn_with_file_and_line): Likewise.
2365 (really_sorry): Likewise.
2367 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2368 whether to declare `tree_node' and `rtx_def'.
2370 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2371 deciding whether to use ANSI variable args.
2372 (build_nt): Likewise.
2373 (build_parse_node): Likewise.
2375 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2377 * version.c: Bump for snapshot.
2379 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2381 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2383 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2385 * collect2.c (main, case 'b'): Use else if.
2387 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2389 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2390 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2391 before the config/ directory headers.
2392 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2393 gansidecl.h in the list of dependencies.
2395 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2396 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2397 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2398 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2399 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2400 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2403 * cccp.c: Don't include gansidecl.h.
2405 * collect2.c: Likewise.
2406 * config/c4x/c4x.c: Likewise.
2407 * config/v850/v850.h: Likewise.
2408 * cppalloc.c: Likewise.
2409 * cpperror.c: Likewise.
2410 * cppexp.c: Likewise.
2411 * cppfiles.c: Likewise.
2412 * cpphash.c: Likewise.
2413 * cpplib.c: Likewise.
2414 * cppmain.c: Likewise.
2415 * cppulp.c: Likewise.
2416 * demangle.h: Likewise.
2417 * doprint.c: Likewise.
2418 * dyn-string.c: Likewise.
2419 * eh-common.h: Likewise.
2420 * fix-header.c: Likewise.
2421 * frame.c: Likewise.
2424 * gen-protos.c: Likewise.
2425 * gencheck.c: Likewise.
2426 * halfpic.h: Likewise.
2428 * machmode.h: Likewise.
2429 * mbchar.c: Likewise.
2430 * prefix.c: Likewise.
2431 * protoize.c: Likewise.
2432 * recog.h: Likewise.
2434 * scan-decls.c: Likewise.
2436 * varray.h: Likewise.
2438 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2440 * i386.md (call_value_pop): If we're not popping anything,
2441 defer to call_value.
2442 (call_pop): Likewise defer to call.
2444 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2446 * function.c (purge_addressof): Clear purge_addressof_replacements
2447 only after processing the whole function.
2449 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2451 * reload1.c (reload): If we can not perform a particular elimination
2452 when we thought we could earlier, then we must always iterate through
2453 the loop at least one more time.
2455 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2457 * alpha.c (add_operand): Simplify the CONST_INT match.
2458 (sext_add_operand): Correct typo in comparison by using
2459 CONST_OK_FOR_LETTER_P.
2460 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2461 constant alternatives to be generated.
2462 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2463 small constants, since the hw instructions do.
2465 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2467 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2468 previous insn to store directly into our reload register, make sure
2469 that if the source of the previous insn is a reload register, its
2470 spill_reg_store and spill_reg_stored_to values are cleared.
2472 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2474 * rs6000.md (floatunssidf2_internal splitter): Use base register
2475 operand, not hard-coded SP.
2477 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2479 * jump.c (calculate_can_reach_end): Fix thinko.
2481 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2483 * reorg.c (fill_simple_delay_slots): Fix typo.
2485 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2487 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2489 * i386.md (extendsidi2): Use # in the output template.
2490 (extendsidi splitters): New splitters.
2492 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2494 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2496 * configure: Regenerate.
2498 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2500 * jump.c (init_label_info, delete_barrier_successors,
2501 mark_all_labels, delete_unreferenced_labels,
2502 delete_noop_moves, calculate_can_reach_end): New functions broken
2503 out of jump_optimize.
2504 (jump_optimize): Use them.
2506 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2508 * except.c (expand_fixup_region_end): Make sure outer context labels
2509 are not issued in an inner context during cleanups.
2511 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2513 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2516 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2518 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2519 to expose this midpoint to CSE.
2521 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2523 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2525 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2527 * configure.in: Bring over gcc2 change of Nov 19 1997.
2529 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2531 * toplev.c (output_lang_identify): Make definition dependent on
2532 ASM_IDENTIFY_LANGUAGE.
2534 * print-rtl.c (spaces): Make static.
2536 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2538 * extend.texi: Clarify proper uses for register clobbers in asms.
2540 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2542 * recog.h (enum op_type): Define.
2543 (constrain_operands): Adjust prototype.
2544 (recog_op_type): Declare new variable.
2545 * recog.c (recog_op_type): New variable.
2546 (insn_invalid_p): Allow modifying an asm statement after reload.
2547 (extract_insn): Set up recog_op_type.
2548 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2549 Don't compute operand types, use recog_op_type.
2550 Use the information computed by extract_insn instead of the previous
2551 method of finding it by insn code number.
2552 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2553 * reorg.c (fill_slots_from_thread): Likewise.
2554 * reload1.c (reload_as_needed): Likewise.
2555 (gen_reload): Likewise.
2556 (inc_for_reload): Likewise.
2557 (reload_cse_simplify_operands): Likewise.
2558 Use the information computed by extract_insn instead of the previous
2559 method of finding it by insn code number.
2560 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2562 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2563 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2564 Use the information computed by extract_insn instead of the previous
2565 method of finding it by insn code number.
2566 * regmove.c (find_matches): Likewise. Change meaning of the return
2567 value to be nonzero if the optimization can be performed, zero if
2568 not. All callers changed.
2569 Shorten some variable names to fix formatting problems.
2570 (regmove_optimize): Shorten some variable names to fix formatting
2572 Use the information computed by extract_insn instead of the previous
2573 method of finding it by insn code number.
2574 * regclass.c (scan_one_insn): Likewise.
2575 (record_reg_classes): Don't compute operand types, use recog_op_type.
2576 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2577 recog_constraints instead.
2579 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2581 * rtl.h (flow2_completed): Declare.
2582 * flow.c (flow2_completed): Definition.
2583 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2586 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2588 * Makefile.in (libcpp.a): Ranlib libcpp.a
2590 * cppulp.c (user_label_prefix): Initialize.
2592 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2594 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2595 at a RETURN if current_function_sp_is_unchanging is set.
2597 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2599 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2601 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2603 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2604 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2605 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2606 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2607 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2608 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2610 (LIB_SPEC): Handle -mno-cyginw option.
2611 (LINK_SPEC): Handle -mdll.
2613 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2615 * reload.c (find_reloads): Fix test for usage by other reload
2616 to handle secondary reloads properly.
2618 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2620 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2621 intermediate structure which has exactly the members provided by
2622 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2623 static intermediate structure.
2625 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2626 from the intermediate structure. Do the same analogous fix in
2627 the case where ELIMINABLE_REGS is not defined.
2629 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2631 * pa.h (SELECT_SECTION): Fix thinko.
2633 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2635 * dwarf2out.c (output_call_frame_info): Comments on last change.
2637 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2639 * arm.c (add_constant): When taking the address of an item in the
2640 pool, get the mode of the item addressed.
2642 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2643 contain a SET or a PARALLEL, don't consider it for conditional
2646 Restore ABI compatibility for NetBSD.
2647 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2649 (RETURN_IN_MEMORY): Likewise.
2651 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2653 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2654 (m32r_output_block_move): Rewrite bytes < 4 handling.
2656 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2658 * configure.in: Call AC_FUNC_VFORK.
2660 * collect2.c: Define VFORK_STRING as a printable string for
2661 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2662 defined, include vfork.h. If VMS is defined, define vfork()
2663 appropriately. Remove vfork check on USG, we're using autoconf.
2664 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2665 checking locally what string to pass.
2666 (scan_prog_file): Likewise.
2667 (scan_libraries): Likewise.
2669 * gcc.c: Remove vfork check on USG, we're using autoconf.
2670 Besides, no calls to vfork/fork occur in this file.
2672 * protoize.c: Likewise.
2674 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2676 * configure.in (DEFAULT_LINKER): renamed from LD
2677 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2678 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2679 * configure: rebuilt
2681 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2683 * BUGS: fix the regexp for `more' to find the appropriate node.
2684 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2686 * BUGS: added link to the WWW FAQ
2688 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2690 * version.c: Bump for snapshot.
2692 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2694 * From Christian Gafton:
2695 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2696 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2697 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2699 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2701 * c-common.c (c_get_alias_set): Allow all type-punning through
2702 unions. Don't get confused about the type of a bit-field, despite
2703 the antics of build_modify_expr.
2705 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2707 * fixinc.sco: Paramaterize #include_next values.
2708 * fixinc/fixinc.sco: Likewise.
2710 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2712 * toplev.c (rest_of_compilation): No longer set reload_completed.
2713 * reload1.c (reload): Set it here. Perform instruction splitting
2714 after reload has completed if we will be running the scheduler
2717 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2719 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2720 EH region if exceptions are enabled and we're performing cross
2722 (find_cross_jump): Exit loop if the insns are in different EH regions.
2724 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2726 * dwarf2out.c (output_call_frame_info): Use
2727 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2729 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2731 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2732 * c-common.c (check_format_info): Don't check for the 'x'
2733 format character twice, instead check for 'x' and 'X'
2735 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2737 * configure.in (assembler features): Also make gas is configured if
2738 we find it in the souce tree.
2740 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2742 * i386.c (i386_comp_type_attributes): Compare whether the
2743 attributes are defined, not their tree nodes.
2745 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2747 * configure.in (gxx_include_dir): bitten by autoconf quoting
2749 * configure: rebuilt
2751 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2753 * configure.in: Ignore non-absolute value in $AS.
2755 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2757 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2759 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2761 * configure.in (msdosdjgpp): Set exeext and target_alias.
2763 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2765 * flow.c (XNMALLOC): New macro.
2766 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2768 (add_edge, add_edge_to_label): New static functions.
2769 (free_bb_memory): New function.
2770 (flow_delete_insn): Delete function.
2771 (basic_block_drops_in): Delete variable.
2772 (find_basic_blocks): Allocate and initialize basic_block_head,
2773 basic_block_succ. Don't allocate basic_block_drops_in.
2774 Call free_bb_memory at the beginning.
2775 (find_basic_blocks_1): Don't do multiple passes.
2776 Delete code to compute basic_block_drops_in.
2777 After calling make_edges, mark blocks reached by current block live.
2778 Update test for unreachable live blocks.
2779 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2781 Simplify to call add_edge_to_label when a LABEL_REF is found.
2782 (make_edges): Simplify to call add_edge_to_label instead of
2783 mark_label_ref most of the time.
2784 Compute here whether control drops into the next block.
2785 (delete_unreachable_blocks): Return void. All callers changed.
2786 Delete unreachable blocks in reverse order.
2787 After deleting all unreachable blocks, renumber the remaining ones
2788 and update n_basic_blocks.
2789 (delete_block): Speed up deletion a bit.
2790 Don't set basic_block_drops_in for deleted blocks.
2791 (free_basic_block_vars): Don't free basic_block_drops_in.
2792 (life_analysis_1): Update to use new edge representation.
2793 (dump_flow_info): Delete code to print basic block info; call
2794 dump_bb_data instead.
2795 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2796 and uid_block_number.
2797 Simply copy the previously computed cfg.
2798 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2799 Print register lifetime information if LIVE_INFO is nonzero.
2800 * basic-block.h (dump_bb_data): Adjust prototype.
2801 * gcse.c (gcse_main): Update call to dump_bb_data.
2802 * rtl.h (free_bb_memory): Declare.
2803 * toplev.c (rest_of_compilation): Call free_bb_memory.
2805 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2806 (update_eliminable_offsets): Don't compute it.
2807 (set_initial_elim_offsets): Don't initialize it.
2808 Break out some code into set_initial_label_offsets so the rest of
2809 this function can be called from reload_as_needed.
2810 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2811 ELIMINABLE_REGS isn't.
2812 (set_initial_label_offsets): New function, broken out of
2813 set_initial_elim_offsets.
2814 (set_offsets_for_label): New function, broken out of set_label_offsets
2815 and reload_as_needed.
2816 (reload): Call the two new functions.
2817 (reload_as_needed): Call set_initial_elim_offsets instead of
2818 duplicating the code. Likewise for set_offsets_for_label.
2820 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2821 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2822 any hard reg, reg_reloaded_dead contains valid data.
2824 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2826 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2827 "stdcall" and "cdecl" attributes.
2829 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2831 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2832 handle deleted no-op moves of hard registers.
2833 * haifa-sched.c (update_flow_info): Likewise.
2835 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2837 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2838 of the sequences to reload the HILO register which do not actually
2841 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2843 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2845 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2847 * except.c (emit_eh_context): Make the EH context register stay alive
2848 at -O0 so stupid.c doesn't get confused.
2850 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2852 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2854 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2855 Jeffrey A Law (law@cygnus.com)
2857 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2858 (zero_extendsidi2): Use # in output template and handle completely by
2860 (zero_extend splitters): New define_splits.
2861 (ashiftrt_32): New pattern.
2863 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2865 * tree.c (append_random_chars): New fn.
2866 (get_file_function_name_long): Use it.
2868 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2870 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2871 (LIBCPP_OBJS): New. Add cppulp.o.
2872 (cppmain, fix-header): Depend on and use libcpp.a.
2873 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2874 of the individual object files.
2875 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2878 * cccp.c (user_label_prefix): New.
2879 (main): Set it off -f*leading-underscore.
2880 (special_symbol): Use it.
2881 * cpplib.c (special_symbol): Likewise.
2882 (cpp_handle_option): Handle -f*leading-underscore.
2883 * cppulp.c: New file.
2885 * output.h (user_label_prefix): Declare it.
2886 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2887 * toplev.c (f_options, main): Handle -f*leading-underscore.
2889 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2890 referencing USER_LABEL_PREFIX directly.
2891 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2892 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2893 * final.c (asm_fprintf): Use user_label_prefix instead.
2894 * arm/thumb.c (thumb_print_operand): Likewise.
2896 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2897 cpp wherever appropriate.
2899 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2901 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2902 specific compiler switches.
2904 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2906 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2909 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2911 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2912 structure which has exactly the members provided by EXTRA_SPECS.
2913 Xmalloc() the real `extra_specs', and initialize it from this
2914 intermediate structure.
2916 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2918 * mips.h (EXTRA_SPECS): Likewise.
2920 * sparc.h (EXTRA_SPECS): Likewise.
2922 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2924 * function.c (purge_addressof_1): Instead of aborting when a
2925 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2926 work just put the ADDRESSOF on stack. Otherwise remember all such
2927 successfull replacements, so that exactly the same replacements
2928 can be made on the REG_NOTEs. Remove the special case for CALL
2930 (purge_addressof_replacements): New variable.
2931 (purge_addressof): Clear it at end.
2933 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2935 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2936 (lang_init): Call check_newline always.
2937 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2938 cpp_start_read, set yy_cur and yy_lim to read from
2939 parse_in.token_buffer, so that we'll see the first #line
2941 * cpplib.c (cpp_start_read): finclude the main input file
2942 before processing -include/-imacros. Process -imacros and
2943 -include separately, and handle -include by stacking a
2944 buffer for the file in question as if it'd been #included.
2945 * toplev.c (documented_lang_options) Recognize -H when
2948 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2950 * cpplib.c: Merge do_once into do_pragma. Break file handling
2951 code out of do_include.
2952 Move append_include_chain, deps_output,
2953 file_cleanup, redundant_include_p, import_hash,
2954 lookup_import, add_import, read_filename_string, read_name_map,
2955 open_include_file, finclude, safe_read to cppfiles.c.
2956 Move prototypes for deps_output, append_include_chain,
2957 finclude to cpplib.h. Move definition of struct
2958 file_name_list there also.
2960 * cppfiles.c: New file. Contains all the above functions
2961 broken out of cpplib.c; also hack_vms_include_specification
2962 from cccp.c and find_include_file, a new function broken out of
2965 * Makefile.in (cppmain): Depend on cppfiles.o.
2966 (fix-header): Likewise.
2967 (cppfiles.o): New target.
2968 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2969 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2971 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2973 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2974 if pending_types is non-zero.
2975 (dwarfout_finish): Verify pending_types is zero before finishing.
2977 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2979 * expr.c (convert_move): Use shifts to perform the move if a
2980 suitable extend pattern cannot be found. Code written by
2981 Richard Henderson <rth@cygnus.com>.
2983 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2985 * regclass.c (renumber, regno_allocated): New static variables, moved
2986 out of allocate_reg_info.
2987 (allocate_reg_info): Move these two variables outside the function.
2988 Move code to free memory into new function free_reg_info.
2989 (free_reg_info): New function, broken out of allocate_reg_info.
2990 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2991 * rtl.h (allocate_reg_info): Don't declare.
2992 (free_reg_info): Declare.
2994 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2996 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2998 * toplev.c (compile_file): Temporarily revert last change.
3000 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3002 * c-typeck.c (convert_for_assignment): Parenthesize.
3004 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3006 * reload1.c (delete_output_reload): Avoid ambigous else.
3008 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3010 * toplev.c (compile_file): Call allocate_reg_info to free register
3012 * rtl.h (allocate_reg_info): Declare.
3014 * PROJECTS: Remove entry for local spilling.
3016 * final.c (cleanup_subreg_operands): New function.
3017 (final_scan_insn): Use it.
3018 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3020 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3021 operands when reload has finished.
3022 * reload.h (cleanup_subreg_operands): Declare..
3023 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3024 reload. Handled in reload itself.
3026 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3028 * reload1.c (verify_initial_offsets): New function.
3029 (reload): Call it after reload_as_needed. Also verify that the frame
3030 size stays constant during reload_as_needed.
3031 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3033 * reload.h (struct insn_chain): Add need_operand_change element.
3034 * reload1.c (new_insn_chain): Clear it.
3035 (calculate_needs_all_insns): Set it; don't overload need_reload.
3036 (reload_as_needed): Use it.
3038 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3039 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3040 and reload_address_index_reg_class.
3041 (find_reloads_address_1): Likewise.
3042 * reload.h (reload_address_base_reg_class,
3043 reload_address_index_reg_class): Don't declare.
3044 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3045 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3046 (used_spill_regs): Now static.
3047 (reload_address_base_reg_class, reload_address_index_reg_class,
3048 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3049 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3050 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3053 (init_reload): Delete code to compute base/index reg classes.
3054 (reload): Delete variable J.
3055 Delete code to manage basic_block_needs.
3056 Don't compute regs_explicitly_used.
3057 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3058 pseudo_previous_regs.
3059 Initialize bad_spill_regs_global.
3060 Don't call order_regs_for_reload here.
3061 Don't initialize spill_reg_order and n_spills.
3062 Don't forbid explicitly used regs to be used for spill regs.
3063 Change main loop to infinite loop, with explicit break statements.
3064 Make SOMETHING_CHANGED variable local to that loop.
3065 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3066 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3067 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3069 Don't call dump_needs.
3070 Delete code to reset potential_reload_regs.
3071 Delete code to terminate loop conditional on the global needs variables
3072 showing no further needs.
3073 (calculate_needs_all_insns): Return void. All callers changed.
3074 Initialize somehing_needs_elimination here, not in reload.
3075 Delete avoid_return_reg kludge.
3076 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3077 All callers changed.
3078 Initialize the group_mode and group_size elements of the arg CHAIN.
3079 Delete code to manage basic_block_needs.
3080 Operate on elements of CHAIN instead of global variables.
3081 Delete avoid_return_reg kludge.
3082 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3083 All callers changed.
3084 Operate on elements of CHAIN instead of global variables.
3085 Delete special SMALL_REGISTER_CLASSES code.
3086 Delete spill_failure code; now in new_spill_reg.
3087 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3088 All callers changed.
3089 Operate on elements of CHAIN instead of global variables.
3090 (maybe_mark_pseudo_spilled): New static function.
3091 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3092 All callers changed.
3093 Operate on elements of CHAIN instead of global variables.
3094 Call order_regs_for_reload here, not in reload.
3095 Initialize spill_reg_order and n_spills.
3096 Simplify test whether an asm insn is involved.
3097 Delete spill_failure code; now in new_spill_reg.
3098 Call maybe_mark_pseudo_spilled for everything marked as live in
3099 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3101 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3102 compiler from optimizing this function (now unused) away.
3103 Operate on elements of CHAIN instead of global variables.
3104 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3106 Operate on elements of CHAIN instead of global variables.
3107 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3108 take CHAIN arg. All callers changed.
3109 Operate on elements of CHAIN instead of global variables.
3110 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3111 CHAIN, NONGROUP args. Return void. All callers changed.
3112 Verify caller isn't trying to spill a pseudo.
3113 Simplify test for illegal reg, just use bad_spill_regs.
3114 Generate better error messages.
3115 Operate on elements of CHAIN instead of global variables.
3116 Mark spilled register in CHAIN's used_spill_regs element.
3117 Don't call spill_hard_reg.
3118 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3119 Mark spilled hard regs in bad_spill_regs_global.
3120 Mark affected pseudos in spilled_pseudos, but don't spill them.
3121 (ior_hard_reg_set): New static function.
3122 (finish_spills): Return int. All callers changed.
3123 Compute spill_reg_order, n_spills and spill_regs here. Also update
3124 regs_ever_live for regs used as spills.
3125 For every pseudo in spilled_pseudos, spill it and mark the previous
3126 hard reg it had in pseudo_previous_regs. Compute which hard regs
3127 arseudo): New static function.
3128 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3129 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3130 hard registers explicitly used across the current insn into the set.
3131 Compute hard_reg_n_uses taking only pseudos live across this insn
3133 Tweak sorting of potential_reload_regs.
3134 (compare_spill_regs): Delete function.
3135 (reload_as_needed): Don't sort the spill_regs array, it's computed
3136 in proper order in finish_spills.
3137 Delete avoid_return_reg kludge.
3138 Delete code to manage basic_block_needs.
3139 (allocate_reload_reg): Minor speed/readability tweaks.
3140 Operate on elements of CHAIN instead of global variables.
3141 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3142 Delete avoid_return_reg kludge.
3143 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3144 Delete unused label FAIL.
3145 (reload_combine): Replce reload_address_index_reg_class with
3147 Don't use used_spill_regs to determine information about lifetime of
3150 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3152 * toplev.c (display_help): Ignore empty target specific
3153 options, and if -W is also specified on the command line then
3154 display undocumented options.
3156 * config/arm/arm.c: Updated with changes in devo sources.
3157 * config/arm/arm.h: Updated with changes in devo sources.
3158 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3159 * config/arm/lib1thumb.asm: Add ELF support.
3161 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3163 * collect2.c (aix64_flag): New variable.
3164 (main, case 'b'): Parse it.
3165 (GCC_CHECK_HDR): object magic number must match mode.
3166 (scan_prog_file): Only check for shared object if valid header.
3167 Print debugging if header/mode mismatch.
3169 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3171 Added support for arm-elf-linux configuration, submitted by Philip
3172 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3173 code developed by Catherine Moore <clm@cygnus.com>. The following
3176 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3179 * configure: Regenerated.
3181 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3182 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3183 definitions conditional on their not having been already defined.
3185 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3186 and .type directives, and add "(PLT)" qualification to function
3189 * config/arm/linux.h: Deleted. This file is now superceeded by
3190 either linux-elf.h or linux-aout.h.
3192 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3193 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3195 Move definitions from old linux.h file here.
3197 * config/arm/elf.h: New file. Generic ARM/ELF support.
3199 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3201 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3203 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3204 using the 26bit APCS.
3206 * config/arm/unknown-elf.h: New file. Support for OS'es other
3207 than Linux with ELF.
3209 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3212 * config/arm/coff.h: Include aout.h for basic assembler macros.
3213 Add support for -mstructure_size_boundary=<n> command line option.
3215 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3216 command line option. Make macro definitions conditional on their
3217 not having been already defined.
3219 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3220 command line option.
3223 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3225 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3226 has been changed to not include a newline. Use this macro instead.
3227 (output_enumeral_list, const_value_attribute, name_attribute,
3228 comp_dir_attribute, prototyped_attribute, producer_attribute,
3229 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3230 dwarfout_file_scope_decl, generate_new_sfname_entry,
3231 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3232 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3234 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3236 * combine.c (subst): Process the inputs to a parallel asm_operands
3239 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3241 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3243 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3245 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3247 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3249 * version.c: Bump for snapshot.
3251 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3253 * stmt.c (expand_fixup): Set fixup->before_jump to a
3254 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3256 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3258 * Makefile.in (recog.o): Depend on toplev.h.
3259 (insn-emit.o): Depend on recog.h.
3260 (insn-peep.o): Depend on recog.h and insn-config.h.
3262 * combine.c (simplify_set): Remove unused variable `scratches'.
3264 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3265 and `idx' in macro conditional controlling their use.
3267 * genemit.c (main): Make the generated output file include
3268 recog.h. Don't have it declare `insn_operand_constraint', since
3269 we get it from recog.h.
3271 * genpeep.c (main): Make the generated output file include
3272 insn-config.h and recog.h.
3274 * recog.c: Include toplev.h.
3275 (extract_insn): Remove unused variable `p'.
3277 * regclass.c (fix_register): Add missing braces around initializer
3279 (allocate_reg_info): Move variable `i' into the scope where it is
3280 used. Change its type to `size_t'.
3282 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3284 * reload.c (push_reload): When merging reloads, make sure
3285 that reload_in_reg and reload_in are from the same reload in
3288 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3290 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3291 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3293 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3295 * loop.c (loop_has_tablejump): New variable.
3296 (prescan_loop): Scan for it.
3297 (insert_bct): Replace explicit scan with use of it.
3298 * regclass.c (regclass): Restore loop variable j.
3299 (record_reg_classes): Deterine op_types modifiers and initialize
3300 classes[i] before matching constraints. Handle matching
3303 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3305 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3308 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3310 * mips.h (EXTRA_SPECS): Add missing initializers.
3312 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3314 * sparc.h (EXTRA_SPECS): Add missing initializers.
3315 (sparc_defer_case_vector): Provide a prototype.
3317 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3318 comparing it to the result of a pointer subtraction.
3320 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3322 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3323 the argument to (unsigned char).
3325 * alpha.h (EXTRA_SPECS): Add missing initializers.
3326 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3329 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3331 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3332 (propagate_block): Delete dead code after reload.
3334 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3335 back Oct 15, 1998 change.
3336 * haifa-sched.c (update_flow_info): Likewise.
3337 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3339 * mn10200.md (truncated shift): Accept constant inputs too.
3341 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3343 * machmode.h (mode_mask_array): No longer const.
3344 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3346 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3348 * frame.c: Somewhat explain `FDE'.
3349 Suggested by Brendan Kehoe
3351 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3353 * expr.c (pending_chain): Move up.
3354 (save_expr_status): Do save pending_chain.
3355 (restore_expr_status): And restore it.
3356 * function.h (struct function): Add pending_chain.
3358 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3360 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3361 did not match the code.
3363 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3365 * regclass.c (regclass): Break out some code into new function
3366 scan_one_insn, and into regclass_init.
3367 (init_cost): New static variable, moved out of regclass.
3368 (regclass_init): Initialize it here, not in .
3369 (scan_one_insn): New static function, broken out of regclass.
3370 * recog.c (apply_change_group): Break out some code into new
3371 function insn_invalid_p.
3372 (insn_invalid_p): New static fn, broken out of apply_change_group.
3374 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3376 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3377 reg_reloaded_contents matches incremented pseudo.
3379 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3381 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3383 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3384 addressing modes with side effects. These are currently
3385 placeholders for the C4x target.
3387 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3389 * loop.c (express_from): Make sure that when generating a PLUS of
3390 a PLUS, any constant expression appears on the outermost PLUS.
3392 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3394 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3395 works if "$(srcdir)" != ".".
3397 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3399 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3400 existing SUBREG if we can, otherwise abort.
3402 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3404 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3405 `restrict' is applied to a non-pointer variable.
3407 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3409 * invoke.texi: Document -flang-isoc9x.
3411 * Makefile.in (OBJS): Add splay-tree.o.
3412 (c-common.o): Depend on rtl.h.
3413 (splay-tree.o): List dependencies and provide build rule.
3415 * rtl.h (record_alias_subset): New function.
3416 * alias.c: Include splay-tree.h.
3417 (alias_set_entry): New type.
3418 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3419 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3420 (mems_in_disjoin_alias_sets_p): New function.
3421 (alias_set_compare): Likewise.
3422 (insert_subset_children): Likewise.
3423 (get_alias_set_entry): Likewise.
3425 * tree.h (TYPE_RESTRICT): New macro.
3426 (TYPE_UNQUALIFIED): New manifest constant.
3427 (TYPE_QUAL_CONST): Likewise
3428 (TYPE_QUAL_VOLATILE): Likewise.
3429 (TYPE_QUAL_RESTRICT): Likewise.
3430 (tree_type): Add restrict_flag. Reduce count of free bits.
3431 (DECL_POINTER_ALIAS_SET): New macro.
3432 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3433 (tree_decl): Add pointer_alias_set.
3434 (build_qualified_type): New function.
3435 (build_type_variant): Define in terms of build_qualified_type.
3436 * tree.c (set_type_quals): New function.
3437 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3438 (build_type_attribute_variant): Use build_qualified_type and
3440 (build_type_variant): Rename, and modify, to become...
3441 (build_qualified_type): New function.
3442 (build_complex_type): Use set_type_quals.
3444 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3445 (C_TYPE_FUNCTION_P): Likewise.
3446 (C_TYPE_INCOMPLETE_P): Likewise.
3447 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3448 (c_apply_type_quals_to_decl): New function.
3449 (c_build_qualified_type): New function.
3450 (c_build_type_variant): Define in terms of c_build_qualified_type.
3451 (flag_isoc9x): Declare.
3452 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3453 (common_type): Change to use TYPE_QUALS.
3454 (comptypes): Likewise.
3455 (convert_for_assignment): Likewise.
3456 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3457 * c-decl.c (flag_isoc9x): Define.
3458 (c_decode_option): Handle -flang-isoc9x.
3459 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3460 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3461 * c-lex.c (init_lex): Deal with restrict.
3462 (init_lex): Don't treat restrict as a reserved word in
3463 -traditional mode, or without -flang-isoc9x.
3464 * c-lex.h (rid): Add RID_RESTRICT.
3465 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3466 equivalent to RID_RESTRICT.
3467 * c-parse.in (TYPE_QUAL): Update comment.
3468 * c-common.c: Include rtl.h.
3469 (c_find_base_decl): New function.
3470 (c_build_type_variant): Rename, and modify, to become ...
3471 (c_build_qualified_type): New function.
3472 (c_apply_type_quals_to_decl): Likewise.
3473 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3474 a particular alias set for the reference.
3475 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3477 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3479 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3480 command line switches.
3482 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3484 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3487 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3489 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3491 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3493 * regclass.c (fix_register): Add error message.
3494 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3497 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3499 * c-decl.c (warn_missing_noreturn): New global variable.
3500 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3501 (finish_function): Implement missing noreturn warning.
3503 * c-tree.h (warn_missing_noreturn): Declare extern.
3505 * invoke.texi: Document new flags.
3507 * toplev.c (documented_lang_options): Add description.
3509 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3511 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3512 loop optimization stable for the C4x.
3513 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3514 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3515 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3517 (c4x_address_conflict): Be more paranoid when packing a volatile
3518 memref in a parallel load/store.
3520 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3522 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3523 repeat_block_filler): Deleted.
3524 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3525 Condition code not set if destination register from 'c' class.
3526 (*subbqi3_carry_clobber): Fix typo.
3528 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3530 * reorg.c (steal_delay_list_from_target) Check for insns that
3531 modify the condition codes and effect the direction of the jump
3534 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3536 * function.c (purge_addressof_1): Replace call to
3537 emit_insns_before() with emit_insn_before().
3539 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3541 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3543 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3545 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3547 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3549 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3550 clobbered across calls.
3552 * loop.c (scan_loop): Be more selective about what invariants are
3553 moved out of a loop.
3555 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3557 * version.c: Bump for snapshot.
3559 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3561 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3562 static eh_context structure.
3564 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3566 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3568 (try_combine): Don't update max_scratch.
3569 * flow.c (max_scratch, num_scratch): Delete variables.
3570 (life_analysis_1): Don't initialize max_scratch.
3571 (propagate_block): Don't update max_scratch.
3572 (mark_set_1): Don't increment num_scratch.
3573 * regs.h (max_scratch): Delete declaration.
3575 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3577 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3578 is nonzero. This is temporary!
3580 * sched.c (update_flow_info): Handle death notes made invalid by
3581 instruction splitting. Partially reverts Oct 15, 1998 patch.
3582 * haifa-sched.c (update_flow_info): Likewise.
3584 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3586 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3587 if it has a nonzero DECL_INITIAL.
3589 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3591 * Makefile.in (flow.o): Depend on recog.h.
3593 * cpplib.h (directive_table): Add missing initializiers.
3594 (finclude): Change type of variable `bsize' to size_t.
3596 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3598 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3600 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3601 `int' when comparing against one.
3602 (cpp_file_line_for_message): Mark parameter `pfile' with
3604 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3606 * flow.c: Include recog.h.
3607 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3609 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3610 `f' with ATTRIBUTE_UNUSED.
3611 (reposition_prologue_and_epilogue_notes): Likewise.
3613 * genopinit.c (gen_insn): Cast argument of ctype functions to
3616 * haifa-sched.c: Include recog.h.
3617 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3618 comparing against one.
3620 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3622 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3624 (parse_ent): Likewise.
3625 (parse_input): Likewise.
3627 * optabs.c (init_libfuncs): Likewise.
3629 * protoize.c (find_rightmost_formals_list): Likewise.
3631 * recog.h (const_double_operand): Fix typo in prototype.
3633 * tlink.c (scan_linker_output): Cast the argument of ctype
3634 function to `unsigned char'.
3636 * toplev.c (check_lang_option): Cast the result of `strlen' to
3637 `int' when comparing against one.
3639 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3641 * gcse.c (dump_cuid_table): Correct typo.
3643 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3645 * toplev.c (display_help): Prepend '-m' to target specific
3647 (check_lang_option): Ignore text after end of first word of a
3648 language specific option.
3650 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3652 * reload1.c (reg_used_by_pseudo): New static variable.
3653 (choose_reload_regs): Initialize it.
3654 Use it instead of testing spill_reg_order to determine whether a
3655 pseudo is live in a hard register across the current insn.
3656 Fix a typo in a reference to reload_reg_rtx.
3658 * flow.c (propagate_block): Replace code that computes and uses
3659 regs_sometimes_live with simpler code that just walks the set of
3660 currently live registers.
3662 * Makefile.in (insn-extract.o): Fix dependencies.
3663 * genextract.c (main): Generate includes for insn-config.h and
3665 Delete generation of declarations which are now in recog.h.
3666 * genrecog.c (main): Delete generation of definitions which are
3668 * local-alloc.c (block_alloc): Use extract_insn and the variables
3669 it sets up instead of looking up values by insn_code.
3670 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3671 recog_dup_num): Define here instead of generating the definition in
3673 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3674 recog_operand_mode, recog_constraints, recog_operand_address_p):
3676 (extract_insn): New function.
3677 * recog.h (extract_insn): Declare function.
3678 (which_alternative, recog_n_operands, recog_n_dups,
3679 recog_n_alternatives, recog_operand_mode, recog_constraints,
3680 recog_operand_address_p): Declare variables.
3681 * regclass.c (n_occurrences): New static function.
3682 * reload.c (n_occurrences): Delete function.
3683 (find_reloads): Use extract_insn.
3684 * reload.h (n_occurrences): Delete declaration.
3686 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3688 * reload1.c (reload_as_needed): Fix test for when to call
3689 update_eliminable_offsets.
3691 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3693 Fix consistency problems with reg_equiv_{mem,address};
3694 Improve reload inheritance;
3696 * reload.c (reload_out_reg): New variable.
3697 (loc_mentioned_in_p, remove_address_replacements): New functions.
3698 (remove_replacements): Deleted.
3699 (push_reload): Set reload_out_reg[i].
3700 When merging, also set reload_{in,out}_reg[i], and remove
3701 duplicate address reloads.
3702 (combine_reloads): Copy reload_out_reg[i].
3703 (find_reloads): Do make_memloc substitution also when
3704 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3706 Include *recog_operand_loc in commutativity operand changes.
3707 Generate optional output reloads.
3708 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3709 processing operands. Call make_memloc in reg_equiv_address code.
3710 Set *recog_operand_loc only after processing operands, and only
3711 if replace is true. Return a value.
3712 When changing address reload types for operands that didn't get
3713 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3714 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3715 Don't emit USEs for pseudo SUBREGs when not replacing.
3716 (find_reloads_address): Do make_memloc substitution also when
3717 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3719 (find_reloads_toplev): Likewise.
3720 Call make_memloc in reg_equiv_address code.
3721 (debug_reload_to_stream): Add code to output reload_out_reg.
3722 (make_memloc): Delete local variable i, ifdefed out code, and
3723 references to memlocs and n_memlocs.
3724 (memlocs, n_memlocs): Delete.
3725 (push_secondary_reload): Clear reload_out_reg.
3726 (find_reloads_address_1): Provide memrefloc argument to all calls
3727 to find_reloads_address.
3728 In AUTO_INC code, handle non-directly addressable equivalences properly.
3729 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3730 (find_reloads): Add return type.
3731 (remove_address_replacements, deallocate_reload_reg): Declare.
3732 * reload1.c (num_not_at_initial_offset): No longer static.
3733 (delete_address_reloads, delete_address_reloads_1): Likewise.
3734 (deallocate_reload_reg): New function.
3735 (spill_reg_stored_to): New array.
3736 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3737 (eliminate_regs_in_insn): Move assignments of previous_offset and
3738 max_offset fields, and recalculation of num_not_at_initial_offset
3739 into new static function:
3740 (update_eliminable_offsets) .
3741 (reload_as_needed): Call update_eliminable_offsetss after calling
3743 Call forget_old_reloads_1 with contents of reloaded auto_inc
3744 expressions if the actual addressing can't be changed to match the
3746 (choose_reload_regs): For inheritance, replace
3747 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3748 remove stand-alone reload_reg_used_at_all test.
3749 Use reload_out_reg to determine which reload regs have output reloads.
3750 Treat reload_override_in more similar to inherited reloads.
3751 Handle (subreg (reg... for inheritance.
3752 For flag_expensive_optimizations, add an extra pass to remove
3753 unnecessary reloads from known working inheritance.
3754 Delete obsolete code for pseudos replaced with MEMs.
3755 Handle inheritance from auto_inc expressions.
3756 (emit_reload_insns): If reload_in is a MEM, set OLD to
3758 Don't reload directly from oldequiv; if it's a pseudo with a
3759 stack slot, use reload_in[j].
3760 Check that reload_in_reg[j] is a MEM before replacing reload_in
3761 from reg_reloaded_contents.
3762 Include non-spill registers in reload inheritance processing.
3763 Also try to use reload_out_reg to set spill_reg_store /
3764 reg_last_reload_reg.
3765 In code to set new_spill_reg_store, use single_set to find out if
3766 there is a single set.
3767 Add code that allows to delete optional output reloads.
3768 Add code to allow deletion of output reloads that use no spill reg.
3769 At the end, set reload_override_in to oldequiv.
3770 Also call delete_output_reload if reload_out_reg is equal to old
3772 Add code to call delete_output_reload for stores with no matching load.
3773 Set / use spill_reg_stored_to.
3774 Handle case where secondary output reload uses a temporary, but
3775 actual store isn't found.
3776 When looking for a store of a value not loaded in order to call
3777 delete_output_reload, count_occurences should return 0 for no
3778 loads; but discount inherited input reloadill_reg_stored_to.
3779 Do checks for extra uses of REG. Changed all
3781 Use delete_address_reloads.
3782 (reload): Take return value of find_reloads into account.
3783 If a no-op set needs more than one reload, delete it.
3784 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3785 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3786 for the same operand.
3787 (clear_reload_reg_in_use): Check for other reloads that keep a
3789 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3790 RELOAD_FOR_OPADDR_ADDR.
3791 Take into account when an address address reload is only needed
3792 for the address reload we are considering.
3793 (count_occurrences): Use rtx_equal_p for MEMs.
3794 (inc_for_reload): Return instruction that stores into RELOADREG.
3795 New argument two, IN, and rtx. Changed all callers.
3796 (calculate_needs_all_insns, reload_as_needed):
3797 Don't clear after_call for a CLOBBER.
3798 Keep track of how many hard registers need to be copied from
3799 after_call, and don't clear after_call before we have seen
3800 that much copies, or we see a different instruction.
3802 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3804 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3805 after reload has completed.
3807 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3809 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3810 a macro name and the next token with a single blank if that whitespace
3811 is in a macro buffer and the next token is not '('.
3813 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3815 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3817 (skip_if_group): Ditto.
3818 (skip_to_end_of_comment): Ditto.
3820 (discard_comments): Ditto.
3821 (change_newlines): Ditto.
3823 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3825 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3827 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3829 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3830 (TARGET_OPTIONS): Add --help documentation.
3832 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3834 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3836 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3838 * fixinc/* Moved in from ../contrib directory in preparation
3839 for integrating it into the normal build process. In particular,
3840 fixinc/Makefile.in must be config-ed into the build directory
3841 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3842 ./configure.in will be "in the mail" momentarily.
3844 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3846 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3847 accidently walk into the free list. Comment how that can happen.
3848 (invalidate): Fix indentation.
3850 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3851 Jeffrey A Law (law@cygnus.com)
3853 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3854 reload. Never perform rescans of the insn chain after reload.
3855 (propagate_block): Do not delete insn or create new autoinc addressing
3858 * jump.c (jump_optimize): Unconditionally use the code that was
3859 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3860 * reload1.c (reload): When reloading is finished, delete all
3861 REG_DEAD and REG_UNUSED notes.
3862 (emit_reload_insns): Delete all code that was conditional on
3863 PRESERVE_DEATH_INFO_REGNO_P.
3864 (no_longer_dead_regs): Delete variable.
3865 (reload_cse_delete_death_notes): Delete function.
3866 (reload_cse_no_longer_dead): Delete function.
3867 (reload_cse_regs_1): Delete all code to handle deletion of death
3869 (reload_cse_noop_set_p): Likewise.
3870 (reload_cse_simplify_set): Likewise.
3871 (reload_cse_simplify_operands): Likewise.
3872 (reload_cse_move2add): Likewise.
3873 * reorg.c (used_spill_regs): Delete declaration.
3874 (max_label_num_after_reload): Delete declaration.
3875 (find_dead_or_set_registers): Don't assume that spill regs are
3876 dead at a CODE_LABEL.
3877 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3879 * sched.c (sched_analyze_insn): Likewise.
3880 (update_flow_info): Likewise.
3881 * haifa-sched.c (sched_analyze_insn): Likewise.
3882 (update_flow_info): Likewise.
3883 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3884 * toplev.c (max_label_num_after_reload): Delete variable.
3885 (rest_of_compilation): Don't set max_label_num_after_reload.
3886 Call life_analysis after reload_cse_regs if optimizing.
3887 * config/gmicro/gmicro.h: Delete comment referring to
3888 PRESERVE_DEATH_INFO_REGNO_P.
3889 * config/i386/i386.h: Likewise.
3890 * config/m88k/m88k.h: Likewise.
3891 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3892 * config/sh/sh.h: Likewise.
3894 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3896 * loop.c (strength_reduce): Restore marking bct_p as
3898 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3899 HAVE_decrement_and_branch_on_count.
3900 (small_data_operand): Remove TARGET_ELF condition for marking
3901 parameters ATTRIBUTE_UNUSED.
3903 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3905 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3906 (SELECT_SECTION): Resync with svr4.h.
3908 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3910 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3913 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3915 * c-pragma.c (handle_pragma_token): Test for null tree before
3916 dereferencing TREE_CODE.
3918 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3920 * config/c4x/c4x.c: Convert to use GEN_INT.
3921 (c4x_parallel_process): Rework to handle new repeat loop structure.
3923 * config/c4x/c4x.md: Convert to use GEN_INT.
3924 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3925 (decrement_and_branch_on_count): Likewise.
3927 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3928 loop.c has the desired functionality.
3929 (rc_reg_operand): New prototype.
3931 * config/c4x/t-c4x: Can now build all front ends.
3933 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3935 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3937 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3939 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3940 * config/t-rtems: Do not install assert.h -- use newlib's.
3942 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3944 * combine.c (combine_instructions): When finished, call init_recog.
3945 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3947 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3949 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3951 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3953 * cppalloc.c (memory_full): Mark function prototype with
3956 * demangle.h (collect_exit): Likewise.
3958 * fix-header.c (v_fatal, fatal): Likewise.
3960 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3963 * gcov.c (print_usage): Likewise.
3965 * genattr.c (fatal, fancy_abort): Likewise.
3967 * genattrtab.c (fatal, fancy_abort): Likewise.
3969 * gencodes.c (fatal, fancy_abort): Likewise.
3971 * genconfig.c (fatal, fancy_abort): Likewise.
3973 * genemit.c (fatal, fancy_abort): Likewise.
3975 * genextract.c (fatal, fancy_abort): Likewise.
3977 * genflags.c (fatal, fancy_abort): Likewise.
3979 * genopinit.c (fatal, fancy_abort): Likewise.
3981 * genoutput.c (fatal, fancy_abort): Likewise.
3983 * genpeep.c (fatal, fancy_abort): Likewise.
3985 * genrecog.c (fatal, fancy_abort): Likewise.
3987 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3988 __sjpopnthrow, __throw): Likewise.
3990 * objc/objc-act.c (objc_fatal): Likewise.
3992 * protoize.c (usage, aux_info_corrupted,
3993 declare_source_confusing): Likewise.
3995 * rtl.c (dump_and_abort): Likewise.
3997 * rtl.h (sets_cc0_p): Likewise.
3999 * toplev.c (float_signal, pipe_closed): Likewise.
4001 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4003 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4004 when generating the decision tree for the general case.
4006 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4007 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4009 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4011 * Makefile.in (sched.o): Depend on recog.h.
4013 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4014 (unsigned) when comparing against one.
4015 (find_base_value): Likewise.
4016 (record_base_value): Cast variable `regno' to (unsigned) when
4017 comparing against one. Cast the result of REGNO() macro to
4018 (unsigned) when comparing against one.
4019 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4021 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4022 variable where an unsigned index is needed.
4024 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4025 before comparing against one.
4027 * collect2.c: Add prototypes for functions `error', `fatal' and
4028 `fatal_perror'. Make these functions take variable arguments
4029 instead of faking it with a fixed number of args.
4030 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4033 * combine.c (can_combine_p): Mark parameter `pred' with
4035 (find_split_point): Cast variable `src' to (unsigned
4036 HOST_WIDE_INT) when comparing against one.
4037 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4038 (simplify_logical): Likewise.
4039 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4040 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4041 HOST_WIDE_INT) in shift.
4042 (simplify_and_const_int): Cast result of INTVAL() macro to
4043 `unsigned HOST_WIDE_INT' when comparing against one.
4044 (merge_outer_ops): Cast variable const0 to `unsigned
4045 HOST_WIDE_INT' when comparing against the result of
4046 GET_MODE_MASK() macro.
4047 (simplify_comparison): Likewise for variable `c0'. Cast variable
4048 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4049 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4050 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4051 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4052 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4053 comparing against one.
4054 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4056 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4057 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4058 (output_block_move): Cast `sizeof' expression to (int) when
4059 comparing against one.
4060 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4062 (save_restore_insns): Cast `base_offset' to `long' to match format
4063 specifier in fprintf.
4065 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4066 to `enum machine_mode'.
4068 * flow.c (life_analysis_1): Remove unused variable `insn'.
4070 * gcc.c (translate_options): Move variables `j' and `k' into the
4071 scope in which they are used. Change their types to `size_t'.
4072 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4073 (read_specs): Likewise.
4074 (process_command): Cast `sizeof' to (int) when comparing against one.
4075 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4076 (handle_braces): Cast both sides of `==' expression to `long' to
4077 ensure sign matching.
4078 (main): Cast variable `i' to `int' when comparing against one.
4080 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4081 int to size_t. Cast variable `i' to size_t when comparing against
4084 * genattrtab.c (convert_set_attr_alternative): Remove unused
4085 parameter `insn_code'. All callers changed.
4086 (convert_set_attr): Likewise.
4088 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4089 size_t when comparing against one. Likewise for variable `len'.
4091 * global.c (global_alloc): Cast variable `max_regno' to size_t
4092 when comparing against one. Likewise for variable `max_allocno'.
4094 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4096 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4097 `set' with ATTRIBUTE_UNUSED.
4098 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4101 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4102 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4103 (get_condition): Cast variable `const_val' to `unsigned
4104 HOST_WIDE_INT' when comparing against one. Cast unsigned
4105 expression to HOST_WIDE_INT when comparing against one.
4106 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4107 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4108 `unsigned' when comparing against one.
4110 * protoize.c (is_id_char): Change type of parameter `ch' to
4112 (munge_compile_params): Cast argument of ctype macro to (const
4114 (process_aux_info_file): Cast variable `aux_info_size' to int when
4115 comparing against one.
4116 (forward_to_next_token_char): Cast argument of ctype macro to
4117 `const unsigned char'.
4118 (edit_formals_lists): Likewise.
4119 (find_rightmost_formals_list): Likewise.
4120 (add_local_decl): Likewise.
4121 (add_global_decls): Likewise.
4122 (edit_fn_definition): Likewise.
4123 (do_cleaning): Likewise.
4124 (scan_for_missed_items): Likewise.
4125 (edit_file): Cast variable `orig_size' to (int) when comparing
4127 (main): Cast argument of ctype macro to `const unsigned char'.
4129 * recog.c (const_int_operand): Mark parameter `mode' with
4132 * regclass.c (record_reg_classes): Change type of variable `c' to
4133 `unsigned char'. Cast `char' array index to `unsigned char'.
4135 * reload.c (push_secondary_reload): Cast argument to
4136 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4138 * reload1.c (calculate_needs): Cast `char' array index to
4140 (set_label_offsets): Change type of variable `i' to unsigned int.
4141 Cast result of XVECLEN() macro to unsigned when comparing against
4143 (mark_not_eliminable): Change type of variable `i' to unsigned.
4144 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4145 when comparing against one.
4146 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4147 comparing against one.
4148 (choose_reload_regs): Hide unused label `fail'.
4149 (reload_cse_simplify_operands): Cast `char' array index to
4151 (reload_combine_note_store): Mark parameter `set' with
4152 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4154 (reload_cse_move2add): Remove unused variable `src2'.
4156 * sched.c: Include recog.h.
4157 (sched_note_set): Remove unused parameter `b'. All callers
4159 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4160 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4161 when comparing against one.
4163 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4164 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4165 comparing against one.
4167 * unroll.c (precondition_loop_p): Remove unused parameter
4168 `loop_end'. All callers changed.
4170 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4172 * reload1.c (maybe_fix_stack_asms): New static function.
4175 * reload.h (compute_use_by_pseudos): Declare.
4177 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4178 (something_needs_reloads): Delete variable.
4179 (finish_spills): New function.
4180 (compute_use_by_pseudos): New function.
4182 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4183 Use the reload_insn_chain instead of walking the rtl directly.
4185 (reload): Allocate and free spilled_pseudos.
4186 Ensure that all calls of spill_hard_reg are followed by a call to
4188 Use the insns_need_reload list instead of something_needs_reloads
4189 to find out if reload_as_needed must be called.
4190 Clear unused_insn_chains at the end.
4192 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4194 Delete code to keep track of current basic block.
4195 Walk reload_insn_chain instead of the rtl structure. Build the
4196 insns_need_reload chain.
4197 Remember which insns need reloading/elimination by setting the
4198 appropriate fields in struct insn_chain, not by putting modes on the
4201 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4202 arg INSN. All callers changed.
4203 Delete declaration of struct needs.
4204 Don't set something_needs_reloads.
4205 Record insn needs in the CHAIN argument.
4207 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4209 (reload_as_needed): Lose FIRST arg. All callers changed.
4210 Walk the reload_insn_chain instead of the rtx structure.
4211 Delete code to keep track of current basic block.
4212 Rename one of the NEXT variables to OLD_NEXT.
4214 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4216 (choose_reload_regs): Likewise.
4218 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4221 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4222 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4223 (hard_regs_live, hard_regs_need_restore): Delete variables.
4224 (n_regs_saved): Now static.
4225 (referenced_regs, this_insn_sets): New variables.
4227 (setup_save_areas): Restructure the code a bit.
4229 (restore_referenced_regs): Delete function.
4230 (mark_referenced_regs): New function, similar to the old
4231 restore_referenced_regs, but mark registers in referenced_regs.
4233 (clear_reg_live): Delete function.
4234 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4235 Only mark registers in this_insn_sets.
4237 (save_call_clobbered_regs): Rework this function to walk the
4238 reload_insn_chain instead of using the list of instructions directly.
4239 Delete code to keep track of register lives, compute live regs on the
4240 fly from information in the chain.
4241 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4242 then walk the set it computes and call insert_restore as appropriate.
4244 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4246 Restructure the code a bit. Test hard_regs_saved instead of
4247 hard_regs_need_restore.
4248 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4249 args. All callers changed.
4250 Restructure the code a bit. Use TO_SAVE to determine which regs to
4251 save instead of more complicated test.
4252 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4254 Create a new insn_chain structure for the new insn and place it
4257 * rtl.texi: Update documentation to reflect that reload no longer
4258 puts modes on the insns.
4260 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4262 * function.c (purge_addressof_1): Force the first argument of a
4263 CALL insn to memory.
4265 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4267 * rtl.h: Delete duplicate prototypes. Add some missing
4269 * rtlanal.c: (for_each_rtx): Formatting tweak.
4271 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4273 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4274 to be compatible with TI compiler.
4276 * Makefile.in (USER_H): Add va-c4x.h to definition.
4278 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4280 * function.c (purge_addressof_1): Fix typo in inequality: do
4281 bitfield optimization for equal mode sizes.
4282 * expmed.c (store_bit_field): Don't take subregs of subregs in
4283 the movstrict case. Tidy a potential problem in the multi-word case.
4284 (extract_bit_field): Likewise.
4286 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4288 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4290 Compute max_uid_for_flow by calling get_max_uid after the scan.
4291 (find_basic_blocks_1): Don't emit NOPs here.
4293 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4295 * alias.c (base_alias_check): Accept new args for the modes of the
4296 two references. Use them to determine if an AND can overlap. Update
4298 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4299 to determine if an AND can overlap.
4301 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4303 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4304 check. Add comment to document problems with TARGET_SUN_FPA version
4306 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4308 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4310 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4312 * c-common.c (print_char_table): Add missing initializers.
4313 (scan_char_table): Likewise.
4314 (time_char_table): Likewise.
4316 * c-decl.c (c_decode_option): Mark parameter `argc' with
4318 (declare_parm_level): Mark parameter `definition_flag' with
4321 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4322 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4325 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4327 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4329 (expand_call): Cast result of MIN() to (unsigned int) when
4330 comparing against an unsigned value.
4332 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4334 (make_definition): Remove unused parameter `op'. All callers
4336 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4337 comparing against the result of pointer arithmetic.
4339 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4340 when comparing against one.
4342 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4343 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4345 (output_die): Move variable `i' into the scope in which it is
4346 used. Change its type to `unsigned'.
4347 (output_die): Cast the result of `strlen' to (int) when passing it
4348 to ASM_OUTPUT_ASCII().
4349 (output_pubnames): Likewise.
4350 (output_line_info): Likewise.
4352 * emit-rtl.c (global_rtl): Add missing initializers.
4354 * explow.c (promote_mode): Mark parameter `for_call' with
4357 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4358 `unsigned HOST_WIDE_INT' when comparing against one.
4359 (synth_mult): Change type of variable `cost' to int.
4360 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4362 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4363 when comparing against one.
4364 (get_inner_reference): Change variable `alignment' to unsigned.
4365 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4366 int) when comparing against one.
4367 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4369 * fold-const.c (div_and_round_double): Cast BASE to
4370 (HOST_WIDE_INT) when comparing against one.
4372 * gencheck.c: Include gansidecl.h.
4373 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4375 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4376 `tcode' with ATTRIBUTE_UNUSED.
4378 * real.c (edivm): Cast constant value to (unsigned long) in
4379 expression compared against an unsigned value.
4381 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4382 comparing against one.
4383 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4384 when comparing against one.
4386 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4387 (unsigned int) when comparing against one. Likewise for
4389 (smallest_mode_for_size): Likewise.
4390 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4391 (restore_storage_status): Likewise.
4393 * toplev.c (debug_args): Add missing initializer.
4394 (f_options): Spelling correction. Add missing initializers.
4395 (documented_lang_options): Likewise.
4396 (debug_end_source_file): Mark parameter `lineno' with
4399 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4400 `decl' and `type' with ATTRIBUTE_UNUSED.
4402 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4403 when comparing against one.
4404 (assemble_variable): Mark parameter `top_level' with
4406 (assemble_external_libcall): Mark parameter `fun' with
4408 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4411 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4413 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4414 Replace use of r5 with use of r19.
4416 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4418 * config/v850/v850.c (compute_register_save_size): Allow for the
4419 fact that helper functions save all registers, not just those used
4422 Replace constant 31 with macro LINK_POINTER_REGNUM.
4424 * config/v850/v850.md: Use 'indirect_operand' rather than
4425 'memory_operand' for bit test/set/clear patterns.
4427 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4429 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4430 * varasm.c (assemble_start_function et al): Don't call
4431 ASM_GLOBALIZE_LABEL for weak symbols.
4433 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4435 * cse.c (equiv_constant): Check for NULL return from
4436 gen_lowpart_if_possible().
4438 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4440 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4442 * collect2.c (main): Pass -EL/-EB through to the compiler.
4444 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4446 * expr.c (push_block): Handle targets where the stack grows
4447 to higher addresses, but args grow to lower addresses and
4448 ACCUMULATE_OUTGOING_ARGS is not defined.
4450 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4452 * config/v850/v850.c (print_operand): Extend meaning
4453 of 'c' operands to support .vtinherit.
4455 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4457 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4458 Added ATTRIBUTE_UNUSED to unused function arguments.
4459 (rc_reg_operand): New predicate.
4460 (c4x_rptb_insert): New function.
4461 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4462 (c4x_optimization_options): New function.
4464 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4465 (decrement_and_branch_on_count): New pattern.
4466 (rptb_top): Modified pattern to work with BCT optimization.
4468 * config/c4x/c4x.h (RC_REG): New register class.
4469 (rc_reg_operand): Define prototype.
4470 (IS_RC_REG): New macro.
4471 (IS_RC_OR_PSEUDO_REG): New macro.
4472 (IS_RC_OR_PSEUDO_REGNO): New macro.
4473 (OPTIMIZATION_OPTIONS): Define.
4475 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4477 * collect2.c (extract_init_priority): No priority is 65535.
4479 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4481 * Makefile.in (build_tooldir): new variable, same as old
4482 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4483 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4484 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4486 * configure.in (gxx_include_dir): set default based on unlibsubdir
4487 * Makefile.in (tooldir): ditto
4488 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4489 gxx_include_dir, includedir and tooldir
4490 (protoize.o, unprotoize.o): ditto
4492 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4494 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4496 * config/arm/thumb.c (thumb_override_options): Add warning about
4497 PIC code not being supported just yet.
4499 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4501 * flow.c: Update comment.
4502 (notice_stack_pointer_modification): New static function.
4503 (record_volatile_insns): Use it.
4504 (mark_regs_live_at_end): Mark the stack pointer as alive
4505 at the end of the function if current_function_sp_is_unchanging
4507 (life_analysis_1): Set current_function_sp_is_unchanging.
4508 * function.c: Define it.
4509 (init_function_start): Initialize it.
4510 * output.h: Declare it.
4511 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4512 the stack pointer as alive at the end of the function if
4513 current_function_sp_is_unchanging is set.
4514 * i386.c (ix86_epilogue): Optimize the restoring
4515 of the stack pointer.
4517 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4519 * version.c: Bump for snapshot.
4521 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4523 * c-pragma.c (handle_pragma_token): If passed a token instead
4524 of a tree, use that as the pack value.
4526 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4528 * flow.c (find_basic_blocks_1): Fix prototype.
4530 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4532 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4533 (struct tree_decl): New fields no_check_memory_usage.
4534 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4535 (init_attributes): Register it as a new attribute.
4536 (decl_attributes): Set flags on functions given that attribute.
4537 * c-decl.c (duplicate_decls): Merge new attribute.
4538 * expr.h (current_function_check_memory_usage): Declare new var.
4539 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4540 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4541 current_function_check_memory_usage.
4542 * function.h: Add field to struct function.
4543 * function.c (current_function_check_memory_usage): Define it.
4544 (push_function_context_to, pop_function_context_from): Save and
4546 (expand_function_start): Set it, based on global flag and function
4549 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4550 check non-automatic variables, to permit detection of writes to
4551 read-only locations in embedded systems without memory management.
4552 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4553 when emitting chkr_set_right_libfunc call, even if the argument is
4554 BLKmode or variable-sized; don't abort.
4556 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4557 symbols in Pmode, not VOIDmode.
4559 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4561 * cppexp.c: When forcing unsigned comparisons, cast both sides
4564 * cpphash.h: Move static declaration of hashtab[]...
4565 * cpphash.c: ...here.
4567 * cpplib.c: Cast difference of two pointers to size_t before
4568 comparing it to size_t. Cast signed to unsigned
4569 before comparing to size_t. (FIXME: struct argdata should use
4570 unsigned buffer sizes.)
4571 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4572 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4573 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4574 size_t before comparison.
4576 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4578 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4579 (find_basic_blocks_1): Similarly.
4580 * output.h (find_basic_blocks): Fix prototype.
4581 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4582 find_basic_blocks anymore.
4584 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4586 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4587 (sbitmap_free, sbitmap_vector_free): New macros.
4588 * output.h (rtl_dump_file): Declare.
4590 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4592 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4594 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4596 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4598 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4599 (divide): Remove unused variable `tmp'.
4600 (si_to_float): Cast numeric constant to (SItype) before comparing
4603 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4605 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4606 * gcc.c (add_preprocessor_option): Correct typo when allocating
4607 memory, sizeof() argument had one too many `*'.
4608 (add_assembler_option): Likewise.
4609 (add_linker_option): Likewise.
4610 * gcov.c (output_data): Likewise.
4611 * local-alloc.c (memref_used_between_p): Likewise.
4612 (update_equiv_regs): Likewise.
4613 * loop.c (strength_reduce): Likewise.
4614 * reg-stack.c (record_asm_reg_life): Likewise.
4615 (subst_asm_stack_reg): Likewise.
4616 * reorg.c (dbr_schedule): Likewise.
4618 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4620 * flow.c (life_analysis_1): Break out some functions.
4621 (find_basic_blocks_1): Likewise. Also move some variables out and
4623 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4624 new static var nonlocal_label_list with it.
4625 (active_eh_region, nested_eh_region, label_value_list,
4626 nonlocal_label_list): New static variables.
4627 (make_edges, delete_unreachable_blocks, delete_block): New static
4628 functions, broken out of find_basic_blocks_1.
4629 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4630 noop_move_p): New static functions, broken out of life_analysis_1.
4632 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4634 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4635 Take extra care for op0 now possibly being a subreg.
4636 (extract_bit_field): Likewise.
4637 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4638 the reg to memory if there is no equal sized integral mode.
4639 * stor-layout.c (int_mode_for_mode): New function.
4640 * machmode.h: Prototype it.
4642 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4644 * global.c (build_insn_chain): Verify no real insns exist past the
4645 end of the last basic block, then exit the loop.
4647 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4649 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4651 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4653 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4655 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4657 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4659 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4661 * flow.c (find_basic_blocks): Correctly determine when a call
4662 is within an exception region.
4664 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4666 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4668 * cpplib.h: Protect from multiple inclusions.
4669 * cpplib.c: Fix minor formatting problems.
4671 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4673 * jump.c (jump_optimize): Revert accidental patch.
4675 * Makefile.in (cpplib.o): Use unlibsubdir.
4677 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4679 * loop.c (get_condition): Allow combine when either compare is
4682 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4684 * version.c: Bump for snapshot.
4686 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4688 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4689 (init_lex): Initialize ridpointers[RID_BYREF].
4690 * c-lex.h (enum rid): Add RID_BYREF.
4691 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4692 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4693 (encode_type_qualifiers): Similarly
4694 * c-gperf.h: Rebuilt.
4696 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4698 * c-common.c (type_for_mode): Only return TItype nodes when
4699 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4700 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4701 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4702 (init_decl_processing): Only create TItype nodes when
4703 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4704 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4705 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4707 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4709 * stmt.c (n_occurrences): New static function.
4710 (expand_asm_operands): Verify that all constrains match in the
4711 number of alternatives.
4712 Verify that '+' or '=' are at the beginning of an output constraint.
4713 Don't allow '&' for input operands.
4714 Verify that '%' isn't written for the last operand.
4715 * reload.c (find_reloads): Abort if an asm is found with invalid
4716 constraints; all possible problems ought to be checked for earlier.
4718 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4720 * flags.h (flag_branch_on_count_reg): Always declare
4721 * toplev.c (flag_branch_on_count_reg): Likewise.
4722 * toplev.c: Fix typos.
4724 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4727 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4729 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4731 (find_basic_blocks_1): Add a nop to the end of a basic block when
4732 a trailing call insn does not have abnormal control flow.
4733 * gcse.c (pre_transpout): New variable.
4734 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4735 (compute_pre_transpout): Calculate it.
4736 (compute_pre_ppinout): Use it to eliminate impossible placements
4737 due to abnormal control flow through calls.
4738 (compute_pre_data): Call compute_pre_transpout.
4740 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4742 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4744 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4746 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4747 and matching define_insns): Tack on a `use' of the table label, so
4748 flow analysis will recognize a tablejump.
4750 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4752 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4753 always end basic blocks for abnormal edge reasons.
4755 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4757 * config/i386/i386.h: Remove definition of
4758 HANDLE_PRAGMA_PACK_PUSH_POP.
4760 * config/i386/go32.h: Add definition of
4761 HANDLE_PRAGMA_PACK_PUSH_POP.
4763 * config/i386/win32.h: Add definition of
4764 HANDLE_PRAGMA_PACK_PUSH_POP.
4766 * config/i386/cygwin32.h: Add definition of
4767 HANDLE_PRAGMA_PACK_PUSH_POP.
4769 * c-pragma.c (insert_pack_attributes): Do not insert
4770 attributes unless #pragma pack(push,<n>) is in effect.
4772 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4774 * expr.c (emit_group_store): Handle a PARALLEL destination.
4776 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4778 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4779 the new insns before the argument regs are loaded.
4781 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4783 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4784 (c-parse.gperf): Update comments describing invocation flags.
4785 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4787 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4789 * reload1.c (reload): Call free before clobbering the memory
4790 locations or constants pointers.
4792 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4794 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4795 for efficiency by checking whether we need to modify the current
4796 stack permission at all.
4797 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4798 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4799 __enable_execute_stack libcall here too if
4800 TRANSFER_FROM_TRAMPOLINE is defined.
4801 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4804 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4806 * Makefile.in (DRIVER_DEFINES): Remove last change.
4808 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4810 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4811 insns we're going to copy.
4812 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4814 * loop.c (count_one_set): Add prototype.
4816 * caller-save.c (restore_referenced_regs): Lose mode argument.
4817 (insert_save): Lose mode argument.
4818 (insert_restore): Lose mode argument.
4819 (insert_one_insn): Lose mode argument.
4820 (save_call_clobbered_regs): Lose mode argument.
4821 (setup_save_areas): Take no argument and return void. All callers
4823 Don't verify validity of memory addresses.
4824 * reload.h (setup_save_ares): Adjust prototype.
4825 (save_call_clobbered_regs): Likewise.
4826 * reload1.c (delete_caller_save_insns): New function.
4827 (caller_save_spill_class): Delete variable.
4828 (caller_save_group_size): Delete variable.
4829 (reload): Call setup_save_areas and save_call_clobbered_regs
4830 in the main loop, before calling calculate_needs_all_insns.
4831 Don't call save_call_clobbered_regs after the loop.
4832 Call delete_caller_save_insns at the end of an iteration if
4834 Delete code to manage caller_save_spill_class.
4835 Emit the final note before setting reload_first_uid.
4836 Simplify test that determines whether reload_as_needed gets run.
4837 (calculate_needs): Delete code to manage caller_save_spill_class.
4839 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4841 * collect2.c (main): Initialize ld_file_name.
4843 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4845 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4846 check for flag_function_sections.
4848 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4850 * cse.c (insert_regs): Fix bug in Sep 24 change.
4852 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4854 * flags.h (flag_dump_unnumbered): Declare.
4855 * toplev.c (flag_dump_unnumbered): Don't declare.
4856 * print-rtl.c (flags.h): Include.
4857 (print_rtl_single): Add return value.
4858 * rtl.h (print_rtl_single): Update declaration.
4859 * flow.c (flag_dump_unnumbered): Don't declare.
4860 (print_rtl_with_bb): Use return value of print_rtl_single.
4862 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4864 * loop.c (count_one_set): New static function, broken out of
4866 (count_loop_regs_set): Call it.
4867 * global.c (mark_reg_store): Handle clobbers here by not calling
4869 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4870 is in fact a clobber.
4871 * integrate.c (process_reg_param): New function, broken out of
4872 expand_inline_function.
4873 (expand_inline_function): Call it.
4876 * i386.md (addsidi3_1): Delete unused variable temp.
4877 (addsidi3_2): Likewise.
4878 (clstrstrsi): Delete unused variable addr1.
4880 * rtl.h: Don't declare any functions also declared in recog.h.
4882 * Makefile.in (stupid.o): Update dependencies.
4883 (global.o): Likewise.
4885 * global.c: Include reload.h
4886 (reg_becomes_live): New function.
4887 (reg_dies): New function.
4888 (build_insn_chain): New function.
4889 (global_alloc): Call build_insn_chain before calling reload.
4891 * reload.h (struct needs): New structure definition.
4892 (struct insn_chain): Likewise.
4893 (reload_insn_chain): Declare variable.
4894 (new_insn_chain): Declare function.
4897 * reload1.c (reload_startobj): New variable.
4898 (reload_insn_chain): New variable.
4899 (unused_insn_chains): New variable.
4900 (new_insn_chain): New function.
4901 (init_reload): Initialize reload_startobj, not reload_firstobj.
4902 (reload): Initialize reload_firstobj.
4903 Before returning, free everything on the reload_obstack.
4905 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4906 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4907 current_chain): New variables.
4908 (reg_where_born): Delete variable.
4909 (REG_WHERE_BORN): New macro.
4910 (find_clobbered_regs): New function.
4911 (stupid_life_analysis): Don't allocate/free reg_where_born.
4912 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4913 reg_where_dead_chain.
4914 Use REG_WHERE_BORN instead of reg_where_born.
4915 While processing the insns, build the reload_insn_chain with
4916 information about register lifetimes.
4917 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4918 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4920 Compute and information about birth and death of pseudo registers in
4921 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4922 Delete code to set elements of reg_where_born.
4924 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4926 * tree.def (GOTO_EXPR): Modified documentation.
4927 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4930 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4932 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4933 loop_final_value, loop_comparison_code): No longer static.
4934 (unroll_loop): Delete loop_start_value update.
4935 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4936 loop_final_value, loop_comparison_code): Extern.
4937 (loop_start_value): Delete extern.
4938 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4939 loop_comparison_value, loop_comparison_code): Delete.
4940 (loop_optimize): Remove initialization for deleted variables.
4941 (strength_reduce): Delete analyze_loop_iterations call. Only call
4942 insert_bct if flag_branch_count_on_reg set.
4943 (analyze_loop_iterations): Delete.
4944 (insert_bct): Remove iteration count calculation. Move checks for
4945 viable BCT optimization to here. Obtain iteration count from
4946 loop_iterations and correct for unrolling. Check for enough
4947 iteration to be beneficial. Comment out runtime iteration count
4949 (insert_bct): Print iteration count in dump file. Remove
4950 loop_var_mode and use word_mode directly.
4952 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4953 * rs6000.c (rs6000_override_options): Use it.
4954 (optimization_options): Enable use of flag_branch_on_count_reg.
4955 * rs6000.md (define_function_unit): Describe 604e.
4957 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4959 * loop.c (move_movables): Corrected threshold calculation for
4960 moved_once registers.
4962 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4964 * loop.c (combine_givs_p): Fix test for identical givs.
4966 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4968 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4969 call abort if the function is already defined.
4971 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4973 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4974 truncation is not a no-op.
4976 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4978 * version.c: Bump for snapshot.
4980 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4982 * version.c: Bump for snapshot.
4984 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4986 * expmed.c (expand_divmod): Don't widen for computing remainder
4987 if we seem to have a divmod pattern for needed mode.
4989 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4991 * cpplib.c (macroexpand): Correct off-by-one error in handling
4994 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4996 * combine.c (expand_field_assignment): Don't do bitwise operations
4997 on MODE_FLOAT; pun to MODE_INT if possible.
4999 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5000 scott snyder <snyder@d0sgif.fnal.gov>
5002 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5003 linker. Recognize mangled names in quotes.
5005 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5007 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5008 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5009 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5010 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5012 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5014 * function.c (purge_addressof_1): If trying to take a sub-word
5015 integral piece of a floating point mode, put it on the stack.
5017 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5019 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5021 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5023 * PROJECTS: Remove template friends.
5025 * collect2.c (sort_ids): Remove unused variable.
5027 * tm.texi (MATH_LIBRARY): Document.
5028 (NEED_MATH_LIBRARY): Remove.
5030 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5031 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5033 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5035 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5036 last_end to 0x7fffffff.
5038 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5040 * function.c (purge_addressof_1): Do not perform endianness
5041 corrections on bitpos, who we call will do it for us.
5043 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5045 * h8300.c (WORD_REG_USED): Fix typo.
5046 (initial_offset): Use WORD_REG_USED.
5048 * h8300.c (handle_pragma): Fix typo.
5050 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5052 * caller-save.c (insert_save_restore): Break this function up
5053 into new functions insert_restore, insert_save and insert_one_insn.
5054 All callers changed.
5055 (insert_restore): New function, mostly broken out of
5056 insert_save_restore.
5057 (insert_save): Likewise.
5058 (insert_one_insn): Likewise.
5059 (restore_referenced_regs): New argument BLOCK. All callers changed.
5060 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5061 in this function, do it in insert_one_insn instead.
5063 * reload1.c (reload): Break out some more pieces into separate
5065 (dump_needs): New function, broken out of reload.
5066 (set_initial_elim_offsets): Likewise.
5067 (init_elim_table): Likewise.
5068 (update_eliminables): Likewise.
5070 * global.c (global_alloc): Delete code to manage the scratch_list.
5071 * local-alloc.c (qty_scratch_rtx): Delete.
5072 (scratch_block): Delete.
5073 (scratch_list): Delete.
5074 (scratch_list_length): Delete.
5075 (scratch_index): Delete.
5076 (alloc_qty_for_scratch): Delete.
5077 (local-alloc): Update initialization of max_qty.
5078 Delete code to manage the scratch list.
5079 Delete code to allocate/initialize qty_scratch_rtx.
5080 (block_alloc): Don't allocate quantities for scratches.
5081 Delete code to manage the scratch list.
5082 * regs.h (scratch_list): Delete declaration.
5083 (scratch_block): Delete declaration.
5084 (scratch_list_length): Delete declaration.
5085 * reload1.c (reload): Delete code to manage the scratch list.
5086 (spill_hard_reg): Likewise.
5087 (mark_scratch_live): Delete.
5089 * recog.c (alter_subreg): Delete declaration.
5091 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5093 * Makefile.in (cccp.o): Fix typo in last patch.
5095 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5097 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5098 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5100 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5102 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5103 NULL_RTX as an argument.
5105 * Makefile.in (unlibsubdir): Define.
5106 (DRIVER_DEFINES): Use unlibsubdir.
5107 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5108 (stmp-fixinc): Similarly.
5110 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5112 * regmove.c (regmove_optimize): Add variable old_max_uid.
5113 At the end of the function, update basic_block_end.
5115 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5117 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5118 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5121 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5123 * config/arm/arm.c: Improve interworking support.
5125 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5127 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5128 copied from reload_out[r] .
5130 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5132 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5133 with more than three size ranges.
5135 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5137 * rtl.c (mode_name): Add a null string at the end of the array.
5138 (mode_wider_mode): Change type to unsigned char.
5139 (mode_mask_array): New variable.
5140 (init_rtl): Update for mode_wider_mode type change.
5142 * rtl.h (mode_wider_mode): Change type to unsigned char.
5143 (mode_mask_array): Declare.
5144 (GET_MODE_MASK): Use mode_mask_array.
5146 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5148 * calls.c (expand_call) : Encapsulate code into
5149 copy_blkmode_from_reg.
5150 * expr.c (copy_blkmode_from_reg): New function.
5151 * expr.h (copy_blkmode_from_reg): New function.
5152 * integrate.c (function_cannot_inline_p): We can inline
5154 (expand_inline_function): Use copy_blkmode_from_reg
5155 if needed. Avoid creating BLKmode REGs.
5156 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5159 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5161 * config/v850/v850.c: Add function prototypes.
5162 Add support for v850 special data areas.
5164 * config/v850/v850.h: Add support for v850 special data areas.
5166 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5167 HANDLE_PRAGMA_PACK_PUSH_POP.
5168 (push_alignment): New function: Cache an alignment requested
5169 by a #pragma pack(push,<n>).
5170 (pop_alignment): New function: Pop an alignment from the
5172 (insert_pack_attributes): New function: Generate __packed__
5173 and __aligned__ attributes for new decls whilst a #pragma pack
5175 (add_weak): New function: Cache a #pragma weak directive.
5176 (handle_pragma_token): Document calling conventions. Add
5177 support for #pragma pack(push,<n>) and #pragma pack (pop).
5179 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5180 are defined enable HANDLE_PRAGMA_PACK.
5181 Move 'struct weak_syms' here (from varasm.c).
5182 Add pragma states for push and pop pragmas.
5184 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5187 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5188 HANDLE_GENERIC_PRAGMAS.
5190 * varasm.c: Move definition of 'struct weak_syms' into
5192 (handle_pragma_weak): Deleted.
5194 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5196 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5198 * c-decl.c (start_function): Add invocation of
5199 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5201 * tm.texi: Remove description of non-existant macro
5202 SET_DEFAULT_SECTION_NAME.
5204 (HANDLE_SYSV_PRAGMA): Document.
5205 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5207 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5209 * config.sub: Recognize i[34567]86-pc-udk as new target.
5210 * configure.in: Likewise.
5211 * config/i386/t-udk: New file.
5212 * config/i386/udk.h: New file.
5214 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5216 * reorg.c (check_annul_list_true_false): Remove unused variables.
5217 (steal_delay_list_from_target): Add missing "used_annul" variable.
5218 (try_merge_delay_insns): Close out half formed comment.
5220 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5222 * cpplib.c (macroexpand): If arg->raw_before or
5223 arg->raw_after, remove any no-reexpansion escape at the
5224 beginning of the pasted token. Correct handling of whitespace
5225 markers and no-reexpand markers at the end if arg->raw_after.
5227 * toplev.c (documented_lang_options): Recognize -include,
5228 -imacros, -iwithprefix, -iwithprefixbefore.
5229 * cpplib.c (cpp_start_read): Process -imacros and -include
5230 switches at the same time and in command-line order, after
5231 initializing the dependency-output code. Emit properly nested
5232 #line directives for them. Emit a #line for the main file
5233 before processing these switches, and don't do it again
5236 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5238 * function.c (purge_addressof_1): Use bitfield manipulation
5239 routines to handle mem mode < reg mode.
5241 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5243 * reorg.c (try_merge_delay_insns): Account for resources referenced
5244 in each instruction in INSN's delay list before trying to eliminate
5245 useless instructions. Similarly when looking at a trial insn's delay
5248 * reorg.c (check_annul_list_true_false): New function.
5249 (steal_delay_list_from_{target,fallthrough}): Call it and also
5250 refine tests for when we may annul if already filled a slot.
5251 (fill_slots_from_thread): Likewise.
5252 (delete_from_delay_slot): Return newly-created thread.
5253 (try_merge_delay_isns): Use its new return value.
5255 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5257 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5258 used to compute a giv or as some other non-counting use.
5260 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5262 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5263 * local-alloc.c (find_free_reg): Use it.
5264 * global.c (find_reg): Likewise.
5265 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5267 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5268 * caller-save.c (init_caller_save): Use it.
5269 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5271 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5273 * configure.in: Add --enable-cpplib option which uses cpplib
5274 for cpp, but doesn't link cpplib into cc1. Make help text
5275 capitalization consistent.
5276 * configure: Rebuilt.
5278 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5280 * function.c (gen_mem_addressof): If the address REG is
5281 REG_USERVAR_P make the new REG be so also.
5282 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5283 in an attempt to clarify slightly.
5285 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5287 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5288 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5290 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5292 * toplev.c: Fix last patch.
5294 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5296 * loop.c (get_condition): Fix typo in May 9 change.
5298 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5300 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5302 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5304 * toplev.c (documented_lang_options): Spelling corrections.
5306 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5308 * configure.in: new flags --with-ld and --with-as, equivalent
5309 to setting LD and AS environment variables. Test whether
5310 specified arguments are GNU commands, and report them with
5311 checking messages. Use the specified AS for configure
5314 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5316 * gcc.c (find_a_file): when looking for `as' and `ld', return
5317 the DEFAULT program if it exists
5318 * collect2.c (main): use DEFAULT_LINKER if it exists
5320 * gcc.c (find_a_file): the test for existence of a full
5321 pathname was reversed
5323 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5325 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5326 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5328 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5330 * tree.h (TYPE_BINFO): Document.
5332 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5334 * i386-coff.h (dbxcoff.h): Added.
5336 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5338 * toplev.c: fix bad patch around flag_data_sections.
5340 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5342 * reload1.c (reload): Use reload_address_index_reg_class and
5343 reload_address_base_reg_class when setting
5344 caller_save_spill_class. (Patch generated by Jim Wilson:
5347 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5349 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5350 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5351 * expr.c (store_field): Add alias_set parameter. Set the
5352 MEM_ALIAS_SET accordingly, if the target is a MEM.
5353 (expand_assignment): Use it.
5354 (store_constructor_field): Pass 0.
5355 (expand_expr): Likewise.
5357 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5359 * flags.h: Add flag_data_sections.
5360 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5361 (compile_file): Error if flag_data_sections not supported.
5362 * varasm.c (assemble_variable): Handle flag_data_sections.
5363 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5364 * config/mips/elf.h: Likewise.
5365 * config/mips/elf64.h: Likewise.
5366 * invoke.texi: Describe -fdata-sections.
5368 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5370 * invoke.texi (-ffloat-store): Clarify that this option
5371 does not affect intermediate results -- only variables.
5373 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5375 * cpp.texi: Update for Fortran usage from Craig.
5377 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5379 * rs6000.c (function_arg_boundary): Revert accidental change on
5382 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5384 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5385 (output_mi_thunk): Declare.
5387 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5388 (output_function_profiler): Use r12 for temp, instead of r11 so
5389 that we preserve the static chain register.
5391 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5393 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5395 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5397 * sh.c (gen_shl_sext): Fix case 5.
5399 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5401 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5403 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5405 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5406 accessing variables until they are initialized via va_arg().
5408 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5410 * reload1.c (reload_combine): Initialize set before using.
5412 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5414 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5417 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5419 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5420 operand3 with mask before using it. Patch provided by Jim Wilson.
5422 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5424 * config/sparc/sparc.c (function_value): Perform the equivalent of
5425 PROMOTE_MODE for ARCH64.
5426 (eligible_for_epilogue_delay): Allow DImode operations in delay
5427 slot of a return for ARCH64.
5429 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5431 * sh.md (sqrtsf2): Fix mode of sqrt.
5433 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5435 * reload1.c (choose_reload_regs): Also try inheritance when
5436 reload_in is a stack slot of a pseudo, even if we already got a
5439 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5441 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5442 (reload_cse_regs): New function body: call reload_cse_regs_1,
5443 reload_combine, reload_cse_move2add.
5444 When doing expensive_optimizations, call reload_cse_regs_1 a
5445 second time after reload_cse_move2add.
5446 (reload_combine, reload_combine_note_store): New functions.
5447 (reload_combine_note_use): New function.
5448 (reload_cse_move2add, move2add_note_store): New functions.
5450 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5452 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5453 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5455 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5456 more than 3 such reloads.
5458 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5459 RELOAD_FOR_X_ADDR_ADDR reload.
5461 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5463 * expr.c (store_constructor): When initializing a field that is smaller
5464 than a word, at the start of a word, try to widen it to a full word.
5466 * cse.c (cse_insn): When we are about to change a register,
5467 remove any invalid references to it.
5469 (remove_invalid_subreg_refs): New function.
5470 (mention_regs): Special treatment for SUBREGs.
5471 (insert_regs): Don't strip SUBREG for call to mention_regs.
5472 Check if reg_tick needs to be bumped up before that call.
5473 (lookup_as_function): Try to match known word_mode constants when
5474 looking for a norrower constant.
5475 (canon_hash): Special treatment for SUBREGs.
5477 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5479 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5480 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5481 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5482 and offsets in actual stack trampoline code so they match the
5483 commentary and actually work.
5485 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5487 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5489 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5490 tmake_file. Set extra_parts to needed crt objects.
5491 * configure: Rebuilt.
5492 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5493 (TARGET_DEFAULT): Set if default is v9 or ultra.
5494 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5495 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5496 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5497 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5498 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5499 (TARGET_VERSION): Define.
5500 (MULTILIB_DEFAULT): Define.
5501 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5502 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5503 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5505 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5506 * config/sparc/sparc.c (sparc_override_options): If arch and
5507 pointer size disagree, emit diagnostic and fix it up. If
5508 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5509 V8PLUS in 64-bit mode.
5510 * config/sparc/t-linux64: New file.
5511 * config/sparc/t-sol2-64: New file.
5512 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5513 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5514 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5515 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5516 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5517 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5519 (STARTFILE_SPEC): Set approriately based upon those.
5520 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5521 disposition of DEFAULT_ARCH32_P.
5522 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5523 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5524 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5525 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5526 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5528 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5530 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5532 * rtl.h (init_virtual_regs): New function.
5533 * emit-rtl.c (init_virtual_regs): Define.
5534 (insn_emit): Use it.
5535 * integrate.c (save_for_inline_copying): Likewise.
5537 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5539 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5540 (enum reg_class): Add NONARG_LO_REGS support.
5541 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5542 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5543 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5544 completes. Re-enable HImode REG+OFFSET addresses.
5545 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5547 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5549 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5551 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5552 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5553 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5555 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5557 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5558 jumps as a single entity, taking into account the size of the
5561 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5563 * tree.def (SWITCH_EXPR): New tree node definition.
5565 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5567 * version.c: Bump for snapshot.
5569 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5571 * version.c: Bump for snapshot.
5573 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5575 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5578 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5580 * Revert this patch.
5581 * reload.c (find_reloads): Do not replace a pseudo with
5582 (MEM (reg_equiv_addr)) in the initializing insn for the
5585 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5587 * final.c (final_scan_insn): Disable tracking CC across branches.
5589 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5591 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5592 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5593 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5594 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5595 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5597 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5599 * toplev.c (rest_of_compilation): Skip compiling anything with
5600 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5602 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5604 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5605 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5606 use in_libcall_block.
5607 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5608 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5611 Mon Sep 21 14:02:23 1998
5613 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5614 typo in no-fancy-math-387 description.
5616 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5618 * version.c: Bump for snapshot.
5620 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5622 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5624 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5626 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5627 documented in install.texi.
5628 (TARGET_OPTIONS) Likewise.
5630 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5632 * version.c: Bump for snapshot.
5634 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5636 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5637 * cccp.c (main): Likewise.
5639 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5640 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5643 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5645 * Makefile.in (LIBS): Link in libiberty.a.
5646 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5648 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5650 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5651 it to update bb boundaries. Update caller.
5652 * function.c (reposition_prologue_and_epilogue_notes): Update
5653 bb boundaries wrt the moved note.
5655 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5657 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5659 * configure: Regenerate.
5661 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5663 * alpha.c (alpha_sr_alias_set): New variable.
5664 (override_options): Set it.
5665 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5666 (mode_mask_operand): Fix signed-unsigned comparision warning.
5667 (alpha_expand_block_move): Likewise.
5668 (print_operand): Likewise.
5669 (get_aligned_mem): Use change_address.
5670 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5671 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5672 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5673 (alpha_align_insns): Remade from old alphaev5_align_insns
5674 to handle multiple processors.
5675 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5676 * output.h (label_to_alignment): Prototype.
5678 * tree.c (new_alias_set): New function.
5679 * tree.h (new_alias_set): Declare it.
5680 * c-common.c (c_get_alias_set): Use it.
5682 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5684 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5685 to an ABS expr, convert an unsigned input to signed.
5687 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5689 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5691 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5693 * configure.in: Add support for c4x targets.
5694 * configure: Rebuilt.
5696 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5698 * combine.c (distribute_notes): If an insn is a cc0 user, only
5699 delete it if we can also delete the cc0 setter.
5701 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5703 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5704 (invert_truthvalue): Enable truthvalue inversion for
5705 floating-point operands if -ffast-math.
5707 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5709 * configure.in: Disable collect2 for nextstep. Instead use
5711 * configure: Rebuilt.
5712 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5713 (ENDFILE_SPEC): Define.
5714 (OBJECT_FORMAT_MACHO): Define.
5715 (EH_FRAME_SECTION_ASM_OP): Define.
5716 * crtstuff.c: Handle MACHO.
5718 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5720 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5722 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5724 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5725 (_fpadd_parts): Get sign right for 0.
5727 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5729 * ginclude/varargs.h: Add support for C4x target.
5730 * ginclude/stdargs.h: Likewise.
5732 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5734 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5735 (alpha_emit_set_long_const): Rewrite to be callable from reload
5737 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5738 * alpha.md (movdi): Likewise.
5740 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5742 * arm.c (add_constant): New parameter address_only, change caller.
5743 Set it non-zero if taking the address of an item in the pool.
5744 (arm_reorg): Handle cases where we need the address of an item in
5747 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5749 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5750 memory addresses that are not in standard canonical form.
5752 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5754 * README.C4X: New file with information about the c4x ports.
5755 * ginclude/va-c4x.h: New file for c4x varargs support.
5756 * config/c4x: New directory with c4x port files.
5758 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5760 * reload.c (find_reloads): Do not replace a pseudo with
5761 (MEM (reg_equiv_addr)) in the initializing insn for the
5764 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5766 * toplev.c (rest_of_compilation): Set bct_p on second call to
5768 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5770 (strength_reduce): Only call analyze_loop_iterations and
5771 insert_bct if bct_p set.
5772 (check_dbra_loop): Fix typo.
5773 (insert_bct): Use word_mode instead of SImode.
5774 (instrument_loop_bct): Likewise. Do not delete iteration count
5775 condition code generation insn. Initialize iteration count before
5777 * rtl.h (loop_optimize): Update prototype.
5779 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5780 not doubleword aligned.
5782 * rs6000.c (optimization_options): New function.
5783 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5784 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5785 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5786 first; cr1 can be used for FP record condition insns.
5788 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5790 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5793 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5796 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5798 (block_move_call): New function: Call a library routine to copy a
5800 (m32r_expand_block_move): New function: Expand a "movstrsi"
5801 pattern into a sequence of insns.
5802 (m32r_output_block_move): New function: Expand a
5803 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5804 (m32r_block_immediate_operand): New function: Return true if the
5805 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5807 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5809 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5811 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5813 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5815 * regmove.c (copy_src_to_dest): Check that modes match.
5817 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5819 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5821 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5823 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5824 narrower than FLOAT_REGS.
5826 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5828 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5830 * Makefile.in (old_gxx_include_dir): removed
5832 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5834 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5837 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5838 (sh_handle_pragma): Change function arguments to match new
5839 specification for HANDLE_PRAGMA.
5841 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5843 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5845 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5846 When generating output, initialize missing struct member to zero.
5848 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5850 * regmove.c (copy_src_to_dest): Don't copy if that requires
5851 (a) new register(s).
5853 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5855 * global.c (reg_allocno): Now static.
5856 * reload1.c (reg_allocno): Delete declaration.
5857 (order_regs_for_reload): Take no arguments. Don't treat regs
5858 allocated by global differently than those allocated by local-alloc.
5860 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5862 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5863 condition, fix format strings.
5864 (output_function_epilogue): Likewise.
5866 * m68k/m68k.c: Don't include <stdlib.h> directly.
5868 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5870 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5871 mem_first_set, mem_last_set; because 0 can be a CUID.
5872 (oprs_unchanged_p): Use new definition.
5873 (record_last_reg_set_info): Likewise.
5874 (record_last_mem_set_info): Likewise.
5875 (compute_hash_table): Likewise.
5877 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5879 * rs6000.c (output_epilogue): Handle Chill.
5881 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5882 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5884 * combine.c (make_extraction): If no mode is specified for
5885 an operand of insv, extv, or extzv, default it to word_mode.
5886 (simplify_comparison): Similarly.
5887 * expmed.c (store_bit_field): Similarly.
5888 (extract_bit_field): Similarly.
5889 * function.c (fixup_var_regs_1): Similarly.
5890 * recog.c (validate_replace_rtx_1): Similarly.
5891 * mips.md (extv, extzv, insv expanders): Default modes for most
5892 operands. Handle TARGET_64BIT.
5893 (movdi_uld, movdi_usd): New patterns.
5895 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5896 equivalent memory location unless we have been provided a scratch
5897 register. Similarly do not call find_replacement unless a
5898 scratch register has been provided.
5900 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5902 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5905 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5907 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5908 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5909 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5910 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5911 * c-decl.c (init_decl_processing): Update accordingly.
5912 * expr.c (expand_builtin): Likewise.
5914 * rtl.h (global_rtl): Add cfa entry.
5915 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5916 (LAST_VIRTUAL_REGISTER): Update.
5917 * emit-rtl.c (global_rtl): Add cfa entry.
5918 (init_emit): Initialize it.
5919 * function.c (cfa_offset): New.
5920 (instantiate_virtual_regs): Initialize it.
5921 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5922 (expand_function_end): Call expand_eh_return.
5923 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5925 * except.c (current_function_eh_stub_label): Kill.
5926 (current_function_eh_old_stub_label): Likwise; update all references.
5927 (expand_builtin_set_return_addr_reg): Kill.
5928 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5929 (expand_builtin_set_eh_regs): Kill.
5930 (eh_regs): Produce a third reg for the actual handler address.
5931 (eh_return_context, eh_return_stack_adjust): New.
5932 (eh_return_handler, eh_return_stub_label): New.
5933 (init_eh_for_function): Initialize them.
5934 (expand_builtin_eh_return, expand_eh_return): New.
5935 * except.h: Update prototypes.
5936 * flow.c (find_basic_blocks_1): Update references to the stub label.
5937 * function.h (struct function): Kill stub label elements.
5939 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5940 register number is one that would be in the previous window.
5941 Provide a dummy definition for non-windowed targets.
5942 (get_reg_addr): New function.
5943 (get_reg, put_reg, copy_reg): Use it.
5944 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5945 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5947 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5948 (alpha_init_expanders): Initialize it.
5949 (alpha_expand_epilogue): Use it.
5950 * alpha.h: Declare it.
5951 * alpha.md (eh_epilogue): New.
5953 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5954 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5956 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5958 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5961 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5963 * except.h (struct eh_entry): Add false_label field.
5964 (end_catch_handler): Add prototype.
5965 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5966 (start_catch_handler): When using old style exceptions, issue
5967 runtime typematch code before continuing with the handler.
5968 (end_catch_handler): New function, generates label after handler
5969 if needed by older style exceptions.
5970 (expand_start_all_catch): No need to check for new style exceptions.
5971 (output_exception_table_entry): Only output the first handler label
5972 for old style exceptions.
5973 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5974 mechanism into one function, if a runtime matcher is provided.
5976 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5978 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5980 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5982 * integrate.c (copy_decl_list): Fix typo.
5984 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5986 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5989 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5991 * version.c: Bump for snapshot.
5993 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5995 * version.c: Bump for snapshot.
5997 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5999 * version.c: Bump for snapshot.
6001 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6003 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6005 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6007 * configure.in: remove usage of `!' to negate the result of a
6008 command; some common shells do not support it
6010 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6012 * configure.in: in sparc9-sol2 config, use 'if test' not
6014 * configure: Rebuilt.
6016 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6018 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6019 (CPP_CPU_DEFAULT_SPEC): Likewise.
6020 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6021 for arch64 libfuncs.
6023 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6026 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6028 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6030 * collect2.c: Don't declare `sys_siglist' here.
6031 (my_strsignal): Prototype and define new function. Use it in
6032 place of `sys_siglist' hacks.
6034 * mips_tfile.c: Likewise.
6036 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6037 (GCC_NEED_DECLARATIONS): Likewise.
6039 * system.h (strsignal): Prototype it, if necessary.
6040 (sys_siglist): Declare it, if necessary.
6042 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6044 * loop.c (move_movables): While removing insn sequences, preserve
6045 the next pointer of the most recently deleted insn when we skip
6048 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6050 * objc/config-lang.in: Do not output the name of the selected
6051 thread file when building the front-end. The Makefile for the
6052 runtime library will do this.
6054 * objc/Make-lang.in: Do not build the runtime library or install
6055 the Objective C header files. The Makefile for the runtime
6056 library will do this.
6058 * objc/Makefile.in (all.indirect): Only build the front-end.
6059 (compiler): Rename to `frontend'.
6060 (obj-runtime): Remove target.
6061 (copy-headers): Likewise.
6062 (clean): No need to remove `libobjc.a' any longer.
6064 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6066 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6067 supported with -mcpu=xxx.
6069 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6071 * flow.c (mark_set_1): Recognize multi-register structure return
6072 values in CALL insns.
6073 (mark_used_regs): Likewise.
6074 (count_reg_sets_1): Likewise.
6075 (count_reg_references): Likewise.
6076 * rtlanal.c (note_stores): Likewise.
6077 (reg_overlap_mentioned_p): Likewise.
6078 * haifa-sched.c (check_live_1): Likewise.
6079 (update_live_1): Likewise.
6080 (sched_analyze_1): Likewise.
6081 (sched_note_set): Likewise.
6082 (birthing_insn_p): Likewise.
6083 (attach_deaths): Likewise.
6085 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6088 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6090 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6092 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6094 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6096 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6098 * configure.in: Add check for GAS subsection -1 support.
6099 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6100 * configure config.in: Rebuilt.
6101 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6102 SImode is subsection -1 works, else use DImode.
6103 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6104 subsection -1 works.
6105 * config/sparc/sparc.c (sparc_output_addr_vec,
6106 sparc_output_addr_diff_vec): Use them if defined.
6108 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6110 * tree.h (DECL_ORIGIN): New macro.
6111 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6112 (copy_decl_list): Use it.
6113 (integrate_parm_decls): Likewise.
6114 (integrate_decl_tree): Likewise.
6115 * dwarf2out.c (decl_ultimate_origin): Simplify.
6116 * dwarfout.c (decl_ultimate_origin): Likewise.
6117 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6118 (pushdecl): Likewise.
6120 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6122 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6124 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6126 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6128 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6130 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6131 empty or has a single entry.
6133 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6134 before calling reg_to_stack.
6136 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6138 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6139 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6141 * c-tree.h (warn_long_long): Declare it.
6143 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6145 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6146 initialized float-int union if the value is a NaN.
6148 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6150 * c-lex.c (real_yylex): Don't warn about long long constants if
6151 we're allowing long long
6153 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6155 * except.h (current_function_eh_stub_label): Declare.
6156 (current_function_eh_old_stub_label): Declare.
6157 * function.h (struct function): New members eh_stub_label and
6159 * except.c (current_function_eh_stub_label): New variable.
6160 (current_function_eh_old_stub_label): New variable.
6161 (init_eh_for_function): Clear them.
6162 (save_eh_status): Save them.
6163 (restore_eh_status): Restore them.
6164 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6165 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6166 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6167 make an edge from the block that contains it to the block starting
6168 with the label if this label is one of the eh stub labels.
6169 If eh stub labels exist, show they are reachable from the last block
6172 * reload1.c (reload): Break out several subroutines and make some
6174 (calculate_needs_all_insns): New function, broken out of reload.
6175 (calculate_needs): Likewise.
6176 (find_reload_regs): Likewise.
6177 (find_group): Likewise.
6178 (find_tworeg_group): Likewise.
6179 (something_needs_reloads): New global variable, formerly in reload.
6180 (something_needs_elimination): Likewise.
6181 (caller_save_spill_class): Likewise.
6182 (caller_save_group_size): Likewise.
6183 (max_needs): Likewise.
6184 (group_size): Likewise.
6185 (max_groups): Likewise.
6186 (max_nongroups): Likewise.
6187 (group_mode): Likewise.
6188 (max_needs_insn): Likewise.
6189 (max_groups_insn): Likewise.
6190 (max_nongroups_insn): Likewise.
6191 (failure): Likewise.
6193 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6195 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6197 * loop.c (load_mems): Copy rtx for output mem.
6199 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6201 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6202 mips1 or mips2 either.
6204 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6206 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6208 (pa_adjust_insn_length): Update to work with new marking scheme
6209 for jumps inside switch tables.
6210 * pa.md (switch_jump): Remove pattern.
6211 (jump): Handle jumps inside jump tables.
6213 * Makefile.in (profile.o): Depend on insn-config.h
6215 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6217 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6219 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6221 Add preliminary native sparcv9 Solaris support.
6222 * configure.in: Recognize sparv9-*-solaris2*
6223 * configure: rebuilt
6224 * config.sub: Recognize sparcv9 just like sparc64.
6225 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6226 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6227 32-bit and 64-bit Solaris systems.
6228 * config/sparc/t-sol2: Assemble those with cpp.
6229 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6230 (*TF*_LIBCALL): If ARCH64 use V9 names.
6231 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6233 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6235 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6236 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6238 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6240 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6241 to Pmode if CASE_VECTOR_MODE is something else.
6243 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6245 * prefix.c (update_path): Correctly handle cases where PATH is
6246 a substring of the builtin prefix, but specifies a different
6249 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6251 * expr.c: Corrected comment about what MOVE_RATIO does.
6252 * config/alpha/alpha.h: Ditto.
6253 * config/1750a/1750a.h: Ditto.
6254 * config/clipper/clipper.h: Ditto.
6255 * config/i386/i386.h: Ditto.
6257 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6259 * configure.in (m68k-next-nextstep3*): Use collect2.
6260 Similarly for x86 NeXT configurations.
6261 * configure: Rebuilt.
6263 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6265 * configure.in: Don't assume srcdir is .../gcc
6266 * configure: Rebuilt.
6268 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6270 * global.c: Update comments.
6271 (global_alloc): Assign allocation-numbers
6272 even for registers allocated by local_alloc in case
6273 they are later spilled and retry_global_alloc is called.
6274 (mark_reg_store, mark_reg_clobber,
6275 mark_reg_conflicts, mark_reg_death): Always record a
6276 conflict with a pseudo register even if it has been
6277 assigned to a hard register.
6278 (dump_conflicts): Don't list pseudo registers already assigned to
6279 a hard register as needing to be allocated, but do list their
6281 * local-alloc.c: Update comment.
6283 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6285 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6286 * configure: Rebuilt.
6288 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6290 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6292 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6293 for all targets that set -msoft-float.
6295 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6297 * toplev.c (print_switch_values): Make static to match prototype.
6299 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6301 * configure.in: If we are unable to find the "gnatbind" program,
6302 then do not configure the ada subdir.
6303 * configure: Rebuilt.
6305 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6307 * version.c: Bump for snapshot.
6309 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6311 * version.c: Bump for snapshot.
6313 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6315 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6316 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6318 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6320 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6322 * genextract.c: Have insn-extract.c include toplev.h.
6324 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6326 * toplev.c: Include expr.h.
6327 (really_sorry, fancy_abort): Remove prototypes.
6328 (set_target_switch): Add argument in prototype.
6329 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6330 (v_really_sorry): Likewise.
6331 (print_version, print_single_switch, print_switch_values): Make
6332 static and add prototype arguments.
6333 (decl_printable_name): Add prototype arguments.
6334 (lang_expand_expr_t): New typedef.
6335 (lang_expand_expr): Declare as a lang_expand_expr_t.
6336 (incomplete_decl_finalize_hook): Add prototype argument.
6337 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6338 (botch): Likewise for variable `s'.
6339 (rest_of_type_compilation): Mark variables `type' and `toplev'
6340 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6341 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6342 (display_help): Make variable `i' an `unsigned long'.
6343 (main): Remove unused parameter `envp'.
6344 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6345 Cast -1 when comparing it with a `size_t'.
6347 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6348 prototype with ATTRIBUTE_NORETURN.
6349 (fatal_insn_not_found, fatal_insn, really_sorry,
6350 push_float_handler, pop_float_handler): Add prototypes.
6351 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6352 (do_abort, botch): Add prototypes.
6354 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6356 * final.c (final): If a label is reached only from a single jump,
6357 call NOTICE_UPDATE_CC on the jump and its predecessor before
6358 emitting the insn after the label.
6360 * i386.h: Add AMD K6 support.
6361 Change TARGET_* macros to use table lookup.
6362 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6363 (ADJUST_COST): Change definition to call function in i386.c.
6364 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6365 * i386.c: Add AMD K6 support.
6366 Add constants for feature tests used by TARGET_* macros.
6367 (split_di): If before reload, call gen_lowpart and gen_highpart.
6368 (x86_adjust_cost): New function.
6369 (put_jump_code): New function.
6370 (print_operand): New codes 'D' and 'd'.
6371 * i386.md: New insn types. New insn attribute "memory".
6372 Redefine scheduling parameters to use new types and add AMD K6
6373 support. Explicitly set type of most insns.
6374 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6375 Pro and K6 prefer movl $1,reg to incl reg.
6376 (adddi3, subdi3): Set cc_status.
6377 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6378 to int; x86 can't have more than 2^31 DImode shifts per file.
6379 (setcc): Combine all setcc patterns. Allow writing memory.
6380 Combine all jump patterns using match_operator.
6381 (*bzero): Name pattern. Emit mutliple stos instructions when that
6382 is faster than rep stos.
6383 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6386 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6388 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6391 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6393 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6394 not whatever we're generating now.
6396 * alpha.c (set_frame_related_p, FRP): New.
6397 (alpha_expand_prologue): Mark frame related insns.
6398 (alpha_expand_epilogue): Likewise, but with a null FRP.
6399 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6400 * alpha.md (exception_receiver): New.
6401 * alpha/crtbegin.asm (.eh_frame): New beginning.
6402 (__do_frame_setup, __do_frame_takedown): New.
6403 * alpha/crtend.asm (.eh_frame): New ending.
6404 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6405 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6406 (ASM_FILE_START): Don't emit .file for dwarf2.
6408 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6409 * rtl.c (reg_note_name): Likewise.
6410 * rtl.texi (REG_NOTES): Likewise.
6411 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6414 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6416 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6417 * i386.md (movsf, movdf, movxf): Validate memory address returned
6418 from force_const_mem. Kill useless REG_EQUAL setting code.
6420 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6422 * m68k.md (zero_extendsidi2): Fix typo.
6424 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6426 * configure.in: Removed references to the removed file
6427 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6428 * arm*-*-netbsd* and ns32k-*-netbsd*.
6429 * config/i386/xm-netbsd.h: Removed unnecessary file.
6430 * config/m68k/xm-netbsd.h: Likewise.
6431 * config/sparc/xm-netbsd.h: Likewise.
6432 * config/mips/xm-netbsd.h: Likewise.
6434 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6436 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6437 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6439 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6440 for exact section attributions.
6442 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6444 * i386/crtdll.h (CPP_PREDEFINES): Define.
6446 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6448 * m68k.md (5200 movqi): Do not allow byte sized memory references
6450 * m68k.c (output_move_qimode): Do not use byte sized operations on
6453 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6454 explicit rules for building. Similarly for alloca, vfprintf,
6455 choose-temp and mkstemp, getopt, getopt1, and obstack.
6456 (INCLUDES): Add $(srcdir)/../include.
6457 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6458 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6460 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6462 * gcc.c (do_spec_1): [case 'o'] Account for
6463 lang_specific_extra_outfiles.
6464 (main): Correctly clear all slots in outfiles for
6465 lang_specific_extra_outfiles. Set input_file_number before
6466 calling lang_specific_pre_link.
6468 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6470 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6472 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6474 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6476 (sparc_output_deferred_case_vectors): If no work to do, return.
6477 Fix thinko in Sept 1 change.
6479 1998-09-03 SL Baur <steve@altair.xemacs.org>
6481 * Makefile.in: add semicolon in BISON definition for portability.
6483 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6485 * config/nextstep.c (handle_pragma): Correct name of third
6488 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6490 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6491 * config/m32r/m32r.h: Make register 17 be fixed.
6492 * config/m32r/m32r.c: Use SImode for cc operations.
6494 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6496 * invoke.texi (Warning Options): Add -Wnon-template-friend
6499 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6501 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6503 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6505 * rs6000.md (movsf): Disable explicit secondary-reload-like
6506 functionality if TARGET_POWERPC64.
6507 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6510 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6512 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6513 and term.h from fixinc.wrap.
6515 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6517 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6518 safe to include both string.h and strings.h together.
6519 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6520 which headers to search for function declarations. Continue to
6521 prefer string.h over strings.h when both are not acceptable.
6523 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6525 * configure.in: Call GCC_HEADER_STRING.
6527 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6528 to include. Continue to prefer string.h over strings.h when both
6531 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6533 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6534 not assume top 32-bits of symbolic addresses are zero if
6537 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6539 * ginclude/va-alpha.h: Protect entire second portion of the
6540 file against double inclusion.
6542 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6544 Added support for the Boehm's garbage collector.
6545 * configure.in: Handle --enable-objc-gc.
6546 * configure: Rebuilt.
6547 * Makefile.in (CHECK_TARGETS): Add check-objc.
6548 (check-objc): New rule.
6549 * objc/Make-lang.in: Build a different Objective-C library that
6550 runs with the Boehm's collector.
6551 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6552 * objc/encoding.c: Correctly compute the size of compound types in
6553 the presence of bitfields. Skip the variable name of the type if
6554 any. Added support for long long.
6555 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6556 (_F_GCINVISIBLE): New mask.
6557 * objc/gc.c: New file. Compute the type memory mask associated with
6558 a class based on the runtime information.
6559 * objc/misc.c: Added the hooks that use the Boehm's collector
6560 allocation functions.
6561 * objc/objc-act.c (build_class_template): Generate a new class
6562 member (gc_object_type) to hold the class' type memory mask.
6563 (build_shared_structure_initializer): Initialize the new member to
6565 (encode_complete_bitfield): New function. Generate the new
6567 (encode_field_decl): Generate the new encoding only for the GNU
6569 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6571 (class_get_gc_object_type): New function to mark a pointer instance
6572 variable as a weak pointer.
6573 * objc/objc-features.texi: New file.
6574 * objc/objc.h (gc_object_type): New class member.
6575 * objc/objects.c (class_create_instance): Create a typed memory
6576 object when compiled with Boehm's collector support.
6577 * objc/sendmsg.c (__objc_init_install_dtable): Call
6578 __objc_send_initialize instead of setting the initialize flag.
6579 (__objc_send_initialize): Call __objc_generate_gc_type_description
6580 to generate the class type memory mask. Rewrite the code that
6581 sends the +initialize so that it is called only once (bug report
6582 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6583 * testsuite/objc: New testsuite for Objective-C type encoding.
6584 * testsuite/lib/objc-torture.exp: New file.
6585 * testsuite/lib/objc.exp: New file.
6587 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6589 * jump.c (jump_optimize): In if/then/else transformations, add
6590 another call to modified_between_p for the jump insn.
6592 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6594 * fix-header.c (symlink): Treat like readlink.
6596 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6598 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6601 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6603 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6604 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6605 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6607 * config/nextstep.c (handle_pragma): Take three arguments, as per
6608 the new HANDLE_PRAGMA macro specification.
6609 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6610 per the new HANDLE_PRAGMA macro specification.
6611 * config/i960/i960.c (process_pragma): Take three arguments, as
6612 per the new HANDLE_PRAGMA macro specification.
6614 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6616 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6617 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6618 if unknown pragmas are encountered.
6619 (handle_sysv_pragma): Interpret return code from
6620 handle_pragma_token (). Return success/failure indication rather
6621 than next unprocessed character.
6622 (pragma_getc): New function: retrieves characters from the
6623 input stream. Defined when HANDLE_PRAGMA is enabled.
6624 (pragma_ungetc): New function: replaces characters back into the
6625 input stream. Defined when HANDLE_PRAGMA is enabled.
6627 * c-pragma.c (handle_pragma_token): Return success/failure status
6630 * c-pragma.h: Change prototype of handle_pragma_token().
6632 * varasm.c: (handle_pragma_weak): Only create this function if
6633 HANDLE_PRAGMA_WEAK is defined.
6635 * c-common,c (decl_attributes): If defined call the expression
6636 contained within the INSERT_ATTRIBUTES macro before adding
6637 attributes to a decl.
6639 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6640 HANDLE_PRAGMA, which takes three arguments.
6641 (INSERT_ATTRIBUTES): Document this new macro.
6643 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6644 new INSERT_ATTRIBUTES macro.
6646 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6648 * config/sparc/sparc.md (movdf): Only generate special RTL for
6649 LABEL_REFs when PIC.
6650 (move_label_di): Remove
6651 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6652 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6653 references when PIC.
6654 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6655 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6656 output an .xword for all 64-bit cases.
6658 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6660 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6661 alignment, use FUNCTION_BOUNDARY instead.
6662 (sparc_output_deferred_case_vectors): Likewise.
6664 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6666 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6667 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6669 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6671 * alpha/va_list.h: New file.
6672 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6674 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6676 * NEWS: Add SCO Openserver and Unixware 7 notes.
6680 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6682 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6683 (record_constant_1): Handle RANGE_EXPR.
6685 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6687 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6688 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6689 and NOTE_INSN_RANGE_END specially.
6690 (reemit_notes): Likewise.
6692 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6694 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6695 (ultrasparc_sched_init): Remove unneeded &.
6697 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6699 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6700 for m68020-60, to prevent the use of fintrz.
6702 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6704 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6706 * Makefile.in: Likewise.
6707 * configure: Regenerated.
6709 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6711 * configure.in (gxx_include_dir): Changed to
6712 '${prefix}/include/g++'-${libstdcxx_interface}.
6713 * configure: Rebuilt.
6715 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6717 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6719 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6720 *sequences* *below* which scalar moves will be used.
6722 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6724 * collect2.c (mktemp): Delete unused declaration.
6726 * config/xm-netbsd.h: Remove unnecessary file.
6727 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6728 file anymore, it is not needed.
6730 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6732 * convert.c (convert_to_integer): Issue an error on conversions to
6735 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6737 * Makefile.in: Add lang_tree_files and gencheck.h.
6738 * configure.in: Generate them.
6739 * gencheck.c: Include gencheck.h.
6741 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6743 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6744 movdi_lo_sum_pic and movdi_high_pic and make visible.
6745 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6746 emit these when Pmode is not SImode.
6747 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6749 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6751 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6752 .linkonce directive after the first time.
6754 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6756 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6757 the clobbered operand overlaps with an input.
6758 (bne0_di): Similarly.
6760 * Makefile.in (INSTALL): Remove "--no-header" argument.
6762 * NEWS: Various updates.
6764 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6766 * config/sparc/sparc.c (arith_operand, const64_operand,
6767 const64_high_operand, arith_double_4096_operand): Mark mode as
6769 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6771 (sparc_emit_set_const64): Remove unused variable i.
6772 (sparc_splitdi_legitimate): Likewise for addr_part.
6773 (ultra_code_from_mask): Likewise for mask.
6774 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6775 reverse return values so it matches usage and comments.
6776 (ultra_flush_pipeline): Likewise.
6777 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6778 this_type, and allow loads and stores of differing FP modes as
6779 they do not create a conflict.
6780 (ultra_find_type): Initialize fpmode to SFmode, fix
6781 parenthesization thinkos in large conditional.
6782 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6783 Init free_slot_mask after ultra_cur_hist is reset, not before.
6784 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6785 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6786 use ultra_flush_pipeline instead, then re-init group pointer.
6787 Fix statement with no effect. If no progress made in, and no
6788 instructions scheduled at all, advance to new pipeline cycle else
6789 we get into an endless loop.
6790 (ultrasparc_adjust_cost): Remove previous arg.
6791 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6793 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6795 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6796 code. Use reg_overlap_mentioned_p to detect when source and
6797 destination overlap.
6798 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6800 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6802 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6803 COMPARISON_VAL, into invariant_p.
6805 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6807 * regmove.c (regclass_compatible_p): New function.
6808 (regmove_optimize): Use it.
6810 Use NREGS parameter insted of calling max_reg_num.
6812 (fixup_match_1): Don't use code = MINUS when later tieing with
6813 a hard register is likely.
6815 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6817 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6818 COMPARISON_VAL was normalized.
6820 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6822 * loop.c (check_dbra_loop): The loop ending comparison value
6823 must be an invariant or we can not reverse the loop.
6825 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6826 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6828 (load_mems_and_recount_loop_regs_set): Likewise.
6830 * i386.c (print_operand): Remove obsolete 'c' docs.
6832 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6834 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6835 * frame.c (init_object_mutex): New function.
6836 (init_object_mutex_once): Likewise.
6837 (find_fde): Call it.
6838 (__register_frame_info): Likewise.
6839 (__register_frame_info_table): Likewise.
6840 (__deregister_frame_info): Likewise.
6842 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6844 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6846 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6848 * loop.c (check_dbra_loop): Enable code for reversal
6849 of some loops without a known constant loop end.
6851 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6853 * haifa-sched.c (last_clock_var): New.
6854 (schedule_block): Initialize it.
6855 (schedule_insn): Use it to fill insn modes with issue information.
6857 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6858 Tag trapb and next insn with TImode.
6859 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6860 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6861 Invoke alphaev5_align_insns as appropriate.
6862 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6863 (MD_SCHED_VARIABLE_ISSUE): New.
6864 * alpha.md (attr type): Add multi.
6865 (define_asm_attributes): New.
6866 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6867 (arg_home): Likewise.
6868 (fnop, unop, realign): New.
6870 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6872 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6873 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6875 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6876 (rs6000-ibm-aix4.[12]*): Likewise.
6877 * configure: Regnerate.
6879 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6881 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6882 already contains the return address.
6884 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6886 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6887 word sized hunks when loading unaligned args into registers.
6889 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6890 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6892 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6894 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6896 * loop.c (check_dbra_loop): Add some code that would allow reversal
6897 of some loops without a known constant loop end if it were enabled.
6899 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6901 * mips.md (lshrsi3_internal2+2): Fix type-o.
6903 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6905 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6906 correctly with regards to stdio.h.
6908 * calls.c: Remove stdarg.h/varargs.h.
6911 * combine.c: Likewise.
6912 * cpperror.c: Likewise.
6913 * cpplib.c: Likewise.
6914 * cpplib.h: Likewise.
6915 * doprint.c: Likewise.
6916 * emit-rtl.c: Likewise.
6917 * final.c: Likewise.
6918 * fix-header.c: Likewise.
6920 * genattr.c: Likewise.
6921 * genattrtab.c: Likewise.
6922 * gencodes.c: Likewise.
6923 * genconfig.c: Likewise.
6924 * genemit.c: Likewise.
6925 * genextract.c: Likewise.
6926 * genflags.c: Likewise.
6927 * genopinit.c: Likewise.
6928 * genoutput.c: Likewise.
6929 * genpeep.c: Likewise.
6930 * genrecog.c: Likewise.
6931 * mips-tfile.c: Likewise.
6932 * prefix.c: Likewise.
6933 * protoize.c: Likewise.
6934 * regmove.c: Likewise.
6935 * toplev.c: Likewise.
6938 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6940 * config/sparc/sparc.c (sparc_override_options): If not
6941 TARGET_FPU, turn off TARGET_VIS.
6942 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6943 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6944 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6945 (movdi_insn_sp64): Add VIS fzero alternative.
6946 (clear_sf, clear_df): New VIS patterns.
6947 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6949 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6951 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6953 * loop.c (n_times_set, n_times_used, may_not_optimize,
6954 reg_single_usage): Convert to varrays. All uses changed.
6955 (insert_loop_mem): Return a value.
6956 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6957 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6960 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6963 * configure.in: Do not set thread_file to "irix" since no such
6966 * sparc.md (float abs/neg splits): Check reload_completed before
6967 calling alter_subreg.
6969 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6971 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6973 * config/sparc/sparc.h: Declare it.
6974 * config/sparc/sparc.md (float abs/neg splits): Use it.
6975 (all other splits): Handle SUBREGs properly where necessary.
6976 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6978 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6980 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6981 an insn on the unfilled_slots_list that has no delay slots.
6982 (fill_eager_delay_slots): Similarly.
6984 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6986 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6987 as an ordinary operand.
6989 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6991 * tree.c (valid_machine_attribute): Don't apply attributes to both
6994 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6996 * reload.c (operands_match_p): Handle rtvecs.
6998 * i386.c (legitimate_pic_address_disp_p): New.
6999 (legitimate_address_p): Use it.
7000 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7001 Handle constant pool symbols just like statics.
7002 (emit_pic_move): Use Pmode not SImode for clarity.
7003 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7004 [UNSPEC]: New, handling what we killed above.
7005 [PLUS]: Detect and abort on invalid symbol arithmetic.
7006 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7008 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7010 * alias.c: Include output.h.
7011 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7012 different if we're in a varargs function.
7013 * Makefile.in (alias.o): Depend on output.h
7015 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7017 * sh.h (GIV_SORT_CRITERION): Delete.
7019 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7021 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7022 * stupid.c (stupid_life_analysis): Ditto.
7023 * reload1.c (reload): Ditto.
7025 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7027 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7028 arith_double_4096_operand, arith_double_add_operand): New
7030 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7031 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7032 them to transform add/sub 4096 into add/sub -4096.
7034 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7036 * loop.c (scan_loop): Allocate some slop to handle pseudos
7037 generated by move_movables.
7038 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7041 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7043 * tree.def (DECL_RESULT): Correct documentation.
7045 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7047 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7048 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7049 conflicts will all RELOAD_FOR_OUTPUT reloads.
7051 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7052 loads the function result, substitute with a USE.
7054 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7056 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7057 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7058 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7059 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7060 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7061 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7063 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7064 'o' to 'm' for GPR variant constraints.
7066 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7068 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7070 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7072 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7073 when the source and destination overlap.
7075 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7076 clash with global type.
7078 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7080 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7082 * c-common.c (combine_strings): Also set TREE_READONLY.
7083 Change warn_write_strings to flag_const_strings.
7084 * c-decl.c, c-tree.h: Likewise.
7086 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7088 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7089 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7090 sequence, use SET/IOR instead so CSE can see it.
7091 * config/sparc/sparc.md (movhi_const64_special,
7092 movsi_const64_special): New patterns necessitated by that change.
7093 (movhi_high): Remove.
7094 (movhi_lo_sum): Change to match an IOR.
7095 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7096 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7097 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7098 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7099 registers are involved.
7100 (snesi_zero_extend split): Remove reload_completed test.
7101 (unnamed plus and minus zero_extend sidi splits): Add it.
7103 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7105 * extend.texi: Remove description of extension to explicit
7106 instantiation that is now endorsed by standard C++.
7108 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7110 * config/arc/arc.c (arc_initialize_pic): Remove.
7111 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7112 nothing on any platform and is invoked by no-one, it does not even
7113 appear in the documentation.
7114 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7115 * config/sparc/sparc.c (initialize_pic): Likewise.
7116 (find_addr_reg): Remove this as well, no longer referenced after
7119 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7121 * recog.c (validate_replace_rtx_group): New function.
7122 * recog.h (validate_replace_rtx_group): Declare it.
7123 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7124 the entire group of substitutions.
7126 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7128 * loop.c (load_mems): Fix initializers.
7130 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7132 * config/sparc/sparc.md (TFmode splits): Handle destination
7133 registers being referenced in the address correctly.
7135 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7136 TREE_UNSIGNED, when bitsize of type's mode is larger than
7137 HOST_BITS_PER_WIDE_INT.
7139 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7141 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7142 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7143 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7145 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7148 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7150 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7151 * h8300.h (TINY_DATA_NAME_P): Likewise.
7152 (STRIP_NAME_ENCODING): Handle '&'.
7154 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7155 register (it could be accessed via an outer SUBREG).
7156 (REG_OK_FOR_BASE_P): Likewwise.
7157 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7159 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7162 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7164 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7166 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7167 must be offsettable so the splits can be made.
7169 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7171 * config/i386/winnt.c: Include system.h, not stdio.h to get
7172 sys/param.h pulled in before rtl.h in case the system defines MIN
7175 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7177 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7179 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7181 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7183 * cpplib.c (cpp_define): Handle macros with parameters.
7185 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7187 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7188 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7189 and DImode 64-bit. Use llong for minimal-toc SFmode and
7190 SYMBOL_REF / LABEL_REF 64-bit.
7191 (output_function_profiler): Use llong for profiler label and ld to
7192 load 64-bit label address.
7194 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7196 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7199 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7201 * version.c: Bump for snapshot.
7203 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7205 * version.c: Bump for snapshot.
7207 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7209 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7211 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7213 * tm.texi (Misc): Fix typo "teh".
7215 * tm.texi (PIC): Fix typo "PPIC".
7217 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7218 effect when -O2 and higher.
7219 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7221 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7223 * regclass.c: Changed register set documentation to be consistent
7226 * final.c (final_start_function) Removed redundant test for
7229 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7231 * rtl.h (rtx_function): New type.
7232 (for_each_rtx): New function.
7233 * rtlanal.c (for_each_rtx): Define it.
7235 * recog.c (change_t): New type.
7236 (change_objects, change_old_codes, change_locs, change_olds):
7238 (changes): New variable.
7239 (validate_change): Dynamically allocate room for more changes, if
7240 necessary. Uses changes array instead of change_objects, etc.
7241 (apply_change_group): Use changes array instead of
7242 change_objects, etc.
7244 * loop.c (loop_mem_info): New type.
7245 (loop_mems): New variable.
7246 (loop_mems_idx): Likewise.
7247 (looop_mems_allocated): Likewise.
7248 (scan_loop): Remove nregs parameter.
7249 (next_insn_in_loop): New function.
7250 (load_mems_and_recount_loop_regs_set): Likewise.
7251 (load_mems): Likewise.
7252 (insert_loop_mem): Likewise.
7253 (replace_loop_mem): Likewise.
7254 (replace_label): Likewise.
7255 (INSN_IN_RANGE_P): New macro.
7256 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7257 (scan_loop): Remove nregs parameter, compute it after any new
7258 registers are created by load_mems. Use INSN_IN_RANGE_P and
7259 next_insn_in_loop rather than expanding them inline. Call
7260 load_mems to load memory into pseudos, if appropriate.
7261 (prescan_loop): Figure out whether or not there are jumps from the
7262 loop to targets other than the label immediately following the
7263 loop. Call insert_loop_mem to notice all the MEMs used in the
7264 loop, if it could be safe to pull MEMs into REGs for the duration
7266 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7268 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7270 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7272 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7274 * config/sparc/sparc.c (finalize_pic): Check for the correct
7275 nonlocal_goto_receiver UNSPEC number.
7276 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7277 making note of this dependency existing in sparc.c
7278 (negtf2_notv9 split): Give NEG SFmode.
7279 (negsf2): Fix insn output string.
7281 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7283 * c-common.c (decl_attributes): Issue an error if the argument
7284 to alias is not a string.
7286 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7288 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7289 pending memory flush list.
7291 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7293 (try_combine): Allow combining insns with REG_LIBCALL notes.
7295 * expr.c (emit_block_move): Do not call memcpy as a libcall
7296 instead build up a CALL_EXPR and call it like any other
7298 (clear_storage): Similarly for memset.
7300 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7303 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7306 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7307 and REG_LIVE_LENGTH as successful substitutions are made.
7309 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7311 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7312 statement after end of loop label.
7314 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7316 * config/sparc/sparc.c (ultra_types_avail): New variable.
7317 (ultra_build_types_avail): New function to record mask of insn
7318 types in ready list at this cycle.
7319 (ultrasparc_sched_reorder): Call it.
7320 (ultra_find_type): Use it to quicken the search. Also simplif
7321 dependency check, don't use rtx_equal_p because we know exactly
7322 what we are looking for.
7324 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7326 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7327 for architecture v4.
7329 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7331 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7333 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7334 movdf_const_intreg and helper splits): New patterns to move float
7335 constants into integer registers.
7336 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7339 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7342 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7344 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7346 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7347 a BASE_REGS register is needed as an intermediate when copying
7348 a symbolic value into any register class other than BASE_REGS.
7350 * expr.c (move_by_pieces): No longer static. Remove prototype.
7351 * rtl.h (move_by_pieces): Add extern prototype.
7352 * mips.c (expand_block_move): Handle aligned straight line copy by
7353 calling move_by_pieces.
7355 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7358 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7360 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7361 jumps out of the loop to be treated as part of the exit test.
7363 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7364 Jeff Law <law@cygnus.com>
7366 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7367 * cplus-dem.c: Delete.
7369 * Makefile.in (fold-const.o): depend on $(RTL_H).
7371 * fold-const.c: Include rtl.h to get the prototype for
7372 `set_identifier_local_value'.
7374 * loop.c (express_from_1): Remove unused variable `tmp'.
7375 (combine_givs): cast the first argument of bzero to char *.
7377 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7379 * c-decl.c (init_decl_processing): Remove unneeded &.
7381 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7383 * except.c (set_exception_lang_code, set_exception_version_code):
7384 Change parameter from `short' to `int' to avoid using a gcc
7387 * except.h (set_exception_lang_code, set_exception_version_code):
7388 Likewise for prototypes.
7390 * flow.c (count_reg_references): Remove unused variables `regno'
7393 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7395 * prefix.c (translate_name): Cast the result of `alloca'.
7397 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7399 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7401 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7403 (valid_dbcc_comparison_p): Mark mode argument as unused.
7404 (symbolic_operand): Likewise.
7405 (legitimize_pic_address): Likewise.
7406 (const_uint32_operand): Likewise.
7407 (const_sint32_operand): Likewise.
7408 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7409 schedule_insns and comment out rest of file.
7411 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7413 (output_move_[hq]imode): Likewise.
7415 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7417 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7418 * invoke.texi: Corresponding changes.
7420 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7422 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7424 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7426 * config/sparc/sparc.c (ultra_code_from_mask,
7427 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7428 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7429 ultrasparc_sched_init, ultrasparc_variable_issue,
7430 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7431 functions to describe UltraSPARC pipeline exactly to Haifa.
7432 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7433 as there is nothing the scheduler can do about it. Indicate that
7434 REG_DEP_OUTPUT's collide. Fixup formatting.
7435 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7436 divide costs on Ultra for DImode.
7437 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7439 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7440 ieuN and add call_no_delay_slot to type list.
7441 (cti function unit): New unit for branches on UltraSPARC.
7442 (subx/addx insns): Set type to misc.
7443 (sidi zero/sign extension insns on arch64): Set type to shift.
7444 (sign_extendhidi2_insn): Set type to sload.
7446 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7448 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7449 (output_epilog): Use if != 0 for offset.
7450 (rs6000_fatal_bad_address): Prepare for Intl.
7451 * rs6000.h (rs6000_fatal_bad_address): Declare.
7452 * rs6000.md (movsfcc, movdfcc): Use else if.
7453 (elf_high): Use {liu|lis}.
7454 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7455 (movsi): Use rs6000_fatal_bad_address.
7457 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7459 * reload.c (find_equiv_reg): Reject equivalences separated
7460 by a volatile instruction.
7462 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7464 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7466 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7468 * alpha.md (movsicc): Fix mode mismatch.
7470 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7472 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7474 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7476 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7478 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7479 write-only modifier from operand 1 constraint.
7481 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7483 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7484 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7486 (sparc_emit_set_const64): Likewise, also when computing trailing
7487 bits do not negate low_bits and make fast_int an int.
7489 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7491 * loop.c (add_label_notes): Do not ignore references to labels
7492 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7493 * gcse.c (add_label_notes): Similarly.
7495 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7497 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7498 (adddi_dishl32): Similarly.
7500 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7502 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7503 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7504 * cse.c (cse_basic_block): Add parens to shut up warnings.
7506 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7508 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7509 sparc_emit_set_const64_longway, const64_is_2insns,
7510 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7511 in 64-bit constant formation.
7512 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7513 rtl for addx not subx.
7514 (define_insn movdi_const64_special): Make available even when
7515 HOST_BITS_PER_WIDE_INT is not 64.
7516 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7517 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7518 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7519 instances of operand 1 inside a QI subreg.
7520 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7521 (one_cmpldi2_sp64): Fix output string.
7522 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7524 (unnamed arch64 ashift DI): Truncate shift count if greater than
7527 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7529 * expr.c (store_expr): Don't optimize away load-store pair
7530 when either source or destination have a side effect.
7532 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7534 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7535 operands of SET are incompatible.
7537 * alpha.md: Fix max and min patterns so modes of SET operands match.
7539 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7541 * configure.in: Avoid [[ by using test and changequote.
7542 * configure: Rebuild.
7544 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7546 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7548 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7549 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7550 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7551 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7552 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7553 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7554 Fix mismatching modes in SET operands.
7555 (conditional move patterns): Fix formatting.
7556 (unnamed subx arch64 pattern): Remove duplicate insn.
7558 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7560 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7561 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7562 (input_operand): Fixup test for what we accept for constant
7564 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7566 (safe_constDI): Remove.
7567 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7568 gen_safe_XOR64): New functions.
7569 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7570 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7572 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7573 available when HOST_BITS_PER_WIDE_INT is not 64.
7574 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7575 move before movdi_insn_sp64 pattern.
7576 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7577 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7578 symbolic_operand as predicate for second operand.
7579 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7580 expander): Give set VOIDmode.
7582 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7584 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7586 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7588 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7590 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7592 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7594 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7596 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7598 * install.texi: Various SCO OpenServer tweaks.
7600 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7602 * reload1.c (eliminate_regs_in_insn): Handle another case when
7603 eliminating the frame pointer to the hard frame pointer. Add
7604 missing ep->to_rtx check to one existing case.
7606 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7608 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7610 * tree.h: De-conditionalize init_priority code.
7612 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7613 * collect2.c (NM_FLAGS): Change from -p to -n.
7615 * configure.in: Turn on collect2 for mipstx39-elf.
7616 Handle use_collect2=no properly.
7618 * c-common.c: De-conditionalize init_priority code.
7619 * collect2.c (extract_init_priority, sort_ids): New fns.
7620 (main): Call sort_ids.
7621 Move sequence_number to file scope.
7623 * configure.in: Handle --enable-init-priority.
7624 * c-common.c (attrs): Add A_INIT_PRIORITY.
7625 (init_attributes, decl_attributes): Likewise.
7626 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7627 * tree.c (get_file_function_name_long): Split out...
7628 (get_file_function_name): ...from here.
7630 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7632 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7635 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7637 * toplev.c (display_help): Add braces to shut up warnings.
7638 * tree.c (simple_cst_equal): Likewise.
7640 * fold-const.c (non_lvalue): Don't deal with null pointer
7642 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7644 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7645 of any size to a pointer.
7647 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7649 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7651 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7653 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7654 which will be saved.
7655 * mn10300.md (prologue insn): Only save registers which need saving.
7656 (epilogue insn): Similarly.
7658 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7661 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7663 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7664 VAR_DECL's in gp addressable sections.
7666 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7668 * sparc.c: Change return <exp> to <exp>; return; in functions
7670 * sparc.md: Add empty semicolon statement after final label in
7673 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7675 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7676 addx_extend_sp64, only allow when TARGET_ARCH64.
7677 (define_insn addx_extend_sp32 and split): Version that works when
7679 (define_insn subx_extend): Likewise.
7680 (define_split adddi3 and subdi3 with zero extension): Fixup and
7681 correct bugs when not TARGET_ARCH64.
7683 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7685 * except.c (set_exception_lang_code, set_exception_version_code):
7686 Use prototype-style definition if __STDC__, to match declaration
7689 * genemit.c: Change FAIL and DONE macros not to use loops.
7691 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7693 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7694 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7696 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7698 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7700 * README.g77: Update from Craig.
7702 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7704 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7706 (safe_constDI sparc_emit_set_const64_quick1,
7707 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7708 analyze_64bit_constant, const64_is_2insns,
7709 create_simple_focus_bits): Fix some bugs when compiled on real
7711 (function_arg_record_value_3, function_arg_record_value_2,
7712 function_arg_record_value): Add fully prototyped forward decls.
7713 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7714 to cmpsi_insn and use on both 64 and 32 bit targets.
7715 (define_insn cmpsi_insn_sp64): Remove.
7716 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7717 (define_insn zero_extendsidi2_insn): Rename to
7718 zero_extendsidi2_insn_sp64.
7719 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7720 assosciated forced split for it.
7722 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7724 * config/sparc/sparc.h: Declare them.
7725 (PREDICATE_CODES): Add them.
7726 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7727 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7729 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7731 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7732 in v9 case as the latter makes the Solaris assembler crash.
7734 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7736 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7737 for TFmode when !v9. We require offsettable memory addresses.
7738 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7739 DFmode register number conversions.
7740 * config/sparc/sparc.md (define_split DFmode moves): If register
7741 is a SUBREG do alter_subreg on it before using.
7742 (define_expand movtf): Fixup comment about alignment on v9.
7743 (define_split TFmode moves): Don't use gen_{high,low}part, create
7744 explicit SUBREGs instead.
7746 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7748 * Makefile.in (mbchar.o): Depend on mbchar.c.
7750 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7751 Richard Henderson <rth@cygnus.com>
7753 Rewrite Sparc backend for better code generation and
7754 improved sparc64 support.
7755 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7757 * config/sparc/sysv4.h: Likewise.
7758 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7759 move_operand, v8plus_regcmp_op, emit_move_sequence,
7760 singlemove_string, doublemove_string, mem_aligned_8,
7761 output_move_double, output_move_quad, output_fp_move_double,
7762 move_quad_direction, output_fp_move_quad, output_scc_insn):
7764 (small_int_or_double): New predicate.
7765 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7766 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7767 old pic_{sethi,lo_sum}_si patterns.
7768 (mem_min_alignment): New generic function to replace
7769 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7770 available and can test for arbitrary alignments. All callers
7772 (save_regs, restore_regs, build_big_number,
7773 output_function_prologue, output_cbranch, output_return,
7774 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7775 sparc_flat_output_function_epilogue): Prettify
7777 (output_function_epilogue): Likewise and add code to output
7778 deferred case vectors.
7779 (output_v9branch): Likewise, add new arg INSN and use it to tack
7780 on branch prediction settings. All callers changed.
7781 (print_operand): Likewise and output %l44 for LO_SUMs when
7783 (sparc_splitdi_legitimate): New function to make sure DImode
7784 splits can be run properly when !arch64.
7785 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7786 Reformat example code in comments.
7787 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7788 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7789 of deferred case vectors we need to output.
7790 (sparc_defer_case_vector): Record a case vector.
7791 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7792 sparc_output_deferred_case_vectors): New functions to output them.
7793 (sparc_emit_set_const32): New function to form 32-bit constants in
7794 registers when that requires more than one instruction.
7795 (safe_constDI, sparc_emit_set_const64_quick1,
7796 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7797 analyze_64bit_constant, const64_is_2insns,
7798 create_simple_focus_bits, sparc_emit_set_const64): New functions
7799 which do the same for 64-bit constants when arch64.
7800 (sparc_emit_set_symbolic_const64): New function to emit address
7801 loading for all code models on v9.
7802 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7803 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7804 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7805 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7806 inaccuracies in comments, add symbolic and text_segment operands
7807 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7808 GENERAL_REGS in these cases as a temp REG is needed to load these
7809 addresses into a register properly.
7810 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7812 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7813 quads are guarenteed to have 16-byte alignment.
7814 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7815 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7816 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7817 deferred case vector implementation.
7818 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7819 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7820 Generate "internal label - label" instead of "label - 1b".
7821 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7822 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7823 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7825 (doublemove_string, output_block_move, output_fp_move_double,
7826 output_fp_move_quad, output_move_double, output_move_quad,
7827 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7828 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7829 (sparc_emit_set_const32, sparc_emit_set_const64,
7830 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7831 mem_min_alignment, small_int_or_double): Add externs.
7832 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7833 UNSPEC_VOLATILE in this backend.
7834 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7835 unary to types which execute in it.
7836 (define_function_unit ieu_shift): Rename to ieu0.
7837 (define_function_unit ieu1): New, executes compare, call, and
7838 uncond_branch type insns.
7839 (define_function_units for type fdivs, fdivd, fsqrt): These
7840 execute in the fpu multiply unit not the adder on UltraSparc.
7841 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7842 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7843 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7844 allows the arith_double_operand predicate and rHI constraint when
7846 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7847 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7848 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7849 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7850 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7851 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7852 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7853 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7854 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7855 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7856 sign_extendqihi2_insn, sign_extendqisi2_insn,
7857 sign_extendqidi2_insn, sign_extendhidi2_insn,
7858 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7859 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7860 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7861 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7862 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7863 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7864 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7865 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7866 smulsi3_highpart_v8plus, unnamed subreg mult,
7867 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7868 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7869 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7870 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7871 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7872 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7873 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7874 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7875 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7876 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7877 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7878 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7879 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7880 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7881 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7882 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7883 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7884 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7885 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7886 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7887 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7888 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7889 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7890 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7891 call_address_untyped_struct_value_sp32,
7892 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7893 call_value_symbolic_sp32, call_value_address_sp64,
7894 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7895 flush_register_windows, goto_handler_and_restore,
7896 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7897 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7898 return_addsi, return_di, return_adddi, return_sf, all call+jump
7899 peepholes, trap, unnamed trap insns): Prettify output strings.
7900 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7901 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7902 Likewise and force + implement splits for integer cases.
7903 (define_insn return_sf_no_fpu): Likewise and allow to match when
7904 no-fpu because of our subreg SFmode splits.
7905 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7906 zero_extendqidi2_insn, zero_extendhidi2_insn,
7907 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7908 input_operand for second operand.
7909 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7910 reg_or_0_operand for operand 2 so new splits can use it.
7911 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7912 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7914 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7915 CONST_DOUBLEs for operand 2.
7916 (define_insn move_label_di): Likewise and label distance
7917 optimization because it no longer works with new deferred case
7918 vector scheme. To be revisited.
7919 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7920 and allow reg_or_0_operand and J constraint for second operand.
7921 (define_insn jump): Set branch predict taken on V9.
7922 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7923 new deferred case vector scheme.
7924 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7925 (define_insn negdi2_sp32): Force + implement splits.
7926 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7927 one_cmplsi2_not_liveg0 respectively, and create expander of original
7928 names which emit special rtl for TARGET_LIVE_G0.
7929 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7930 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7931 gen_compare_reg, FAIL instead.
7932 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7933 values when trying to reverse condition codes, if they FAIL then
7935 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7936 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7937 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7938 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7939 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7940 set output string to # to indicate they are mandatory splits.
7941 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7942 pic_sethi_di, move_pic_label_si): Remove.
7943 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7944 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7946 (define_expand movsi_pic_label_ref, define_insn
7947 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7948 expander and insns to handle PIC label references and deferred
7950 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7952 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7953 Rewrite to not use emit_move_sequence, make use of new constant
7954 formation code, and new splits for all multi-insn cases.
7955 (define_insn movqi_insn): Remove sethi case, it can never happen.
7956 Use reg_or_zero_operand instead of const0_rtx explicit test,
7957 use input_operand instead of move_operand for source, and use
7958 general_operand now for dest.
7959 (define_insn movhi_insn): Similar but leave sethi case.
7960 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7961 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7962 movhi_lo_sum respectively, prettify output string.
7963 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7964 register when needed on TARGET_LIVE_G0.
7965 (define_insn movsi_insn): Use general_operand and input_operand
7966 for dest and src respectively. Simplify applicability test.
7967 Prettify output strings, and add clr alternative for J
7969 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7970 deprecated std and reg-reg DI moves): Remove and...
7971 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7972 implementation which uses forced splits for all non-single insn
7974 (define_split DI move cases on !arch64): New splits to handle all
7975 situations of 64-bit double register DImode on 32bit, and
7976 unaligned registers and memory addresses for all subtargets.
7977 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7979 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7980 input_operand for dest and src respectively, prettify output
7982 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7983 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7985 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7986 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7987 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7988 movtf_no_e_insn_sp64) Replace with new
7989 implementation which uses forced splits for all non-single insn
7991 (define_split DF move cases): New splits in similar vein to DI
7993 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7994 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7995 movdi_sp64_insn): Remove old v9 code model and constant loading
7997 (define_insn pic_lo_sum_di, pic_sethi_di,
7998 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7999 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8000 embmedany_sethi, embmedany_losum, embmedany_brsum,
8001 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8002 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8003 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8004 scheme, using unspecs, secondary reloads, and one to one sparc
8005 insn to rtl insn mapping for better scheduling and code gen.
8006 (define_expand reload_indi, reload_outdi): Reload helpers for
8007 MEDANY and EMBMEDANY symbol address loading cases which require a
8009 (define_expand movsicc): Remove v8plus_regcmp cases.
8010 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8011 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8012 cmp_diqi_trunc_set): New patterns used by some of the new scc
8014 (define_insn xordi3_sp64_dbl): New pattern used for constant
8015 formation when crossing from 32-bit targets.
8016 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8018 (define_insn addx, subx): Make visible and prettify.
8019 (define_insn adddi3_insn_sp32): Likewise and force split.
8020 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8021 64bit scc split usage.
8022 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8023 zero_extend, subdi3): Force and implement splits.
8025 * final.c (final_scan_insn): Don't output labels if target
8026 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8029 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8030 don't forget to walk inside SEQUENCESs too as these are what the
8031 delay slot scheduler will create.
8033 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8035 * alpha.md (extxl+1,+2): New patterns to work around
8038 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8040 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8041 caused bad assembly code to be generated.
8043 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8045 * netbsd.h: Fix typo.
8047 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8049 * config.sub: Fix typo.
8051 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8053 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8055 (Running Protoize): Typo: Change "ther" into "other".
8057 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8059 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8060 * m68k/netbsd.h: Likewise.
8061 * ns32k/netbsd.h: Likewise.
8062 * sparc/netbsd.h: Likewise.
8064 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8066 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8067 * ginclude/va-clipper.h (va_list): Likewise.
8069 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8071 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8072 load/store multiple instructions unless user overrides.
8074 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8076 * ns32k/netbsd.h: Fix typo.
8078 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8080 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8081 labels with .debugsym if no parallel insns.
8083 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8085 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8086 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8088 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8090 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8091 (AR_FOR_TARGET): Define.
8093 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8095 * dyn-string.h: New file.
8096 * dyn-string.c: Likewise.
8097 * Makefile.in (OBJS): Add dyn-string.o.
8098 (dwarf2out.o): Add dyn-string.h dependency.
8099 (dyn-string.o): List dependencies.
8100 * dwarf2out.c: Include dyn-string.h.
8101 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8102 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8103 prototype. Use dyn_string_append rather than strcat, throughout.
8104 (addr_to_string): Use dyn_string_t.
8106 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8108 Function entry/exit profiling instrumentation:
8109 * expr.h (profile_function_entry_libfunc,
8110 profile_function_exit_libfunc): Declare new variables.
8111 * optabs.c: Define them here.
8112 (init_optabs): Initialize them.
8113 * tree.h (struct tree_decl): New flag
8114 no_instrument_function_entry_exit.
8115 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8116 * c-decl.c (duplicate_decls): Merge it.
8117 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8118 (init_attributes): Use it for "no_instrument_function".
8119 (decl_attributes): Handle it, for functions that have not yet been
8120 compiled. Set decl flag.
8121 * flags.h (flag_instrument_function_entry_exit): Declare new
8123 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8124 (f_options): New option "instrument-functions".
8125 * function.h (struct function): New field instrument_entry_exit.
8126 * function.c (current_function_instrument_entry_exit): New
8128 (push_function_context_to, pop_function_context_from): Save and
8130 (expand_function_start): Set current_ variable, maybe emit return
8131 label and entry profile call.
8132 (expand_function_end): Maybe emit exit profile call.
8134 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8136 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8137 NON_QI_REG_P, pretend the register is SImode.
8139 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8141 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8142 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8143 manufacturer id for ns32k.
8144 * configure: Regenerated.
8145 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8146 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8147 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8148 * config/m68k/netbsd.h: Same.
8149 * config/ns32k/netbsd.h: Same.
8150 * config/sparc/netbsd.h: Same.
8152 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8154 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8155 or UNROLL_COMPLETELY loop that starts with a jump to its
8158 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8160 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8161 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8162 (print_operand, case 'B'): Don't fall through.
8163 (print_operand, case 'S'): Correct mask begin/end computation.
8164 Use HOST_BITS_PER_WIDE_INT.
8165 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8166 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8167 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8168 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8170 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8172 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8173 constraint from second alternative.
8175 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8177 * configure.in: Fix --without/--disable cases for local-prefix,
8178 gxx-include-dir and checking.
8180 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8182 * configure.in (enable_haifa): Set by default for sparc64 too.
8185 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8187 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8188 * i386/winnt.c (associated_type): New fn.
8189 (i386_pe_valid_type_attribute_p): New fn.
8190 (i386_pe_check_vtable_importexport): Remove.
8191 (i386_pe_dllexport_p): Use associated_type.
8192 (i386_pe_dllimport_p): Likewise.
8194 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8195 * i386.c (i386_valid_type_attribute_p): Also accept
8196 attributes for METHOD_TYPEs.
8198 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8200 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8202 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8204 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8206 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8207 them from generating a new base name for each occurence of
8210 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8212 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8214 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8218 * cplus-dem.c (type_kind_t): New type.
8219 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8220 on this paramter, rather than demangling the type again.
8221 (demangle_integral_value): Pass tk_integral.
8222 (demangle_template_: Pass the value returned from do_type.
8223 (do_type): Return a type_kind_t. Pass tk_integral to
8224 demangle_template_value_parm for array bounds.
8225 (demangle_fund_type): Likewise.
8227 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8229 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8232 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8234 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8236 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8238 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8240 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8243 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8245 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8246 (DEBUGGER_ARG_OFFSET): Likewise.
8248 * mn10300.md (movsf): Remove last change. Not needed.
8250 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8252 * c-lex.c (yylex): Fix boundary conditions in character literal and
8253 string literal loops.
8255 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8257 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8258 being invoked incorrectly.
8260 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8261 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8263 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8264 * configure.in: Added i[34567]86-*-win32
8265 * config.sub: Ditto.
8266 * configure: Rebuilt.
8268 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8270 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8271 the frame pointer and compiling PIC code and reload has not completed.
8273 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8276 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8278 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8280 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8282 * Makefile.in (install-info): Only try to update the info
8283 directory file if it exists in the first place.
8285 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8287 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8289 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8291 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8292 CONST_DOUBLE source.
8294 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8296 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8297 strings as the insertion of USER_LABEL_PREFIX.
8298 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8300 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8303 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8305 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8306 already defined type.
8308 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8310 * expr.c (check_max_integer_computation_mode): Allow conversions
8311 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8312 (expand_expr): Likewise.
8314 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8316 * expr.c (expand_expr): Expand RETURN_EXPR.
8318 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8320 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8322 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8324 * dwarf2out.c (output_aranges): Call stripattributes
8325 for TEXT_SECTION references.
8326 (output_line_info): Likewise.
8328 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8330 * profile.c (branch_prob): Call allocate_reg_info after outputting
8331 profile rtl in instrument_arcs.
8333 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8335 * fixinc.irix (math.h): Install wrapper instead of copying.
8337 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8339 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8340 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8341 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8342 lang_flag_0. Added documentation in the flag table.
8344 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8346 * cccp.c (do_include): Fix vax c style include handling.
8348 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8350 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8352 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8354 * fold-const.c (non_lvalue): Don't deal with null pointer
8356 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8358 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8360 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8361 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8362 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8363 (u_short_cint_operand): Same.
8364 (reg_or_cint_operand): Same.
8365 (logical_operand): Same.
8366 (input_operand): Same.
8367 (reg_or_short_operand): Use u_short_cint_operand.
8369 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8371 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8372 but keep the insns and splits. Adjust so when the ultimate destination
8373 is memory, use cvtql.
8375 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8377 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8379 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8381 * gcc.c (do_spec): Call "error" not "warning".
8383 * configure.in: Fix minor problems with gas feature detection code.
8384 * configure: Rebuilt.
8386 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8389 * gcc.c: Delete %[spec] support.
8390 (do_spec_1, case '('): Likewise.
8391 (do_spec_1, case '['): Call error.
8393 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8395 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8396 (CPP_SUBTARGET_SPEC): Default to empty string.
8397 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8398 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8399 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8400 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8402 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8403 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8404 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8405 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8406 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8407 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8408 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8409 * alpha/vxworks.h: Likewise.
8411 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8413 * mips.md (reload_outsi): Added missing REGNO call.
8414 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8416 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8417 another match_operator and compare the codes.
8419 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8421 * MIPS multiply pattern fixes:
8422 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8423 Add union classes for HI, LO, or HILO plus general registers.
8424 (GENERATE_MADD): Deleted.
8425 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8426 Add TARGET_MAD to condition.
8427 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8428 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8429 "*d" for accumulator, to give preference to LO initially but not
8432 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8434 * configure.in (enable_c_mbchar): New configure option.
8435 (extra_cpp_objs): Always available now.
8437 * cexp.y (mbchar.h): #include it.
8438 (yylex): Handle Multibyte characters in character literals.
8440 * cccp.c (mbchar.h): #include it.
8441 (main): Set character set based on LANG environment variable.
8442 (rescan): Handle multibyte characters in comments.
8443 (skip_if_group): See above.
8444 (validate_else): See above.
8445 (skip_to_end_of_comment): See above.
8446 (macarg1): See above.
8447 (discard_comments): See above.
8448 (rescan): Handle multibyte characters in string and character literals.
8449 (collect_expansion): See above.
8450 (skip_quoted_string): See above.
8451 (macroexpand): See above.
8452 (macarg1): See above.
8453 (discard_comments): See above.
8454 (change_newlines): See above.
8456 * c-lex.c (mbchar.h): #include it.
8457 (GET_ENVIRONMENT): New macro.
8458 (init_lex): Set character set based on LANG environment variable.
8459 (yylex): Handle multibyte characters in character literals.
8460 (yylex): Handle multibyte characters in string literals.
8462 * Makefile.in (mbchar.o): New target.
8463 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8464 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8466 * mbchar.[ch]: New files for multibyte character handling.
8468 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8470 * jump.c (jump_optimize): When simplifying noop moves and
8471 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8472 the PUSHes to rewrite in second loop as we did in the first.
8474 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8476 * cplus-dem.c (demangle_nested_args): Make function definition
8477 static to match the prototype.
8479 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8481 * alloca.c: Respect USE_C_ALLOCA.
8482 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8483 * gengenrtl.c (xmalloc): Likewise.
8485 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8487 * loop.h (struct induction): Add no_const_addval.
8488 * loop.c (the_movables, reg_address_cost): New variables.
8489 (init_loop): Init reg_address_cost.
8490 (loop_optimize): Call end_alias_analysis.
8491 (scan_loop): Init the_movables.
8492 (record_giv): Init induction->no_const_addval.
8493 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8494 [REG]: Rearrange loop search test to catch more cases.
8495 (general_induction_var): Return success not benefit; take an extra
8496 argument for that. Change all callers.
8497 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8498 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8499 [default]: Search the_movables for additional combinations.
8500 (sge_plus_constant, sge_plus): New functions.
8501 (express_from_1): New function.
8502 (express_from): Always define. Rewrite using express_from_1.
8503 (combine_givs_p): Handle more cases. Ignore address cost.
8504 (cmp_combine_givs_stats): New function.
8505 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8506 (combine_givs): Rewrite to do best-fit combination.
8508 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8509 (fold): Do a complete (A*C)+(B*C) association check.
8511 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8513 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8515 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8517 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8519 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8521 * tree.c (valid_machine_attribute): Only create a new type variant if
8522 there is a decl to use it.
8524 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8526 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8529 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8531 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8534 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8536 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8537 Simplify tests for clearing an address register.
8538 (expand_prologue): Corresponding changes.
8540 * mn10300.md (movXX patterns): Make sure the destination is an
8541 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8542 (logical patterns): Split into expanders + patterns
8543 (zero and sign extension patterns): Similarly.
8544 (shift patterns): Similarly.
8546 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8548 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8549 for the sequence, recording base values.
8551 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8553 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8555 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8557 * gcc.c: Remove ANSI-C ism from --help code.
8559 * toplev.c: Support --help with USE_CPPLIB.
8561 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8563 * configure.in: Rework gas feature code to work with symlink based
8566 * extend.texi: Clarify some issues related to local variables
8567 assigned to explicit registers.
8569 * mn10300.md (mulsi): Turn into expander + pattern.
8571 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8574 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8576 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8578 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8580 * version.c: Bump again to distinguish mainline tree from the
8583 See ChangeLog.0 for earlier changes.
8586 add-log-time-format: current-time-string
OSDN Git Service
