1 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
3 * rs6000.c (rs6000_stack_info): Undo spurious part of last
6 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
8 * extend.texi (__builtin_constant_p): Add missing @smallexample.
10 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
12 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
14 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
16 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
17 (adddi_dishl32): Similarly.
19 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
20 for each insn in the skipped block.
22 * reload1.c (reload_as_needed): Verify that the insn satisfies its
23 constraints after replacing a register address with an autoincrement
24 address for reload inheritance purposes.
26 * i386.md (doubleword shifts): Avoid namespace pollution.
28 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
30 * configure.in (FreeBSD ELF): Needs special crt files.
32 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
34 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
36 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
38 * loop.c (check_dbra_loop): While reversing the loop, if the
39 comparison value has a VOID mode use the mode of the other operand
42 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
44 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
45 avoid warnings in compiling explow.c.
47 (patch from Ken Raeburn, raeburn@cygnus.com)
48 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
49 fpmem_offset. Compute total size after that, and then
50 rs6000_fpmem_offset using both values.
52 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
54 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
55 the future; indeed that already happens in some cases.
57 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
59 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
60 (arith_operand): Remove constant_p_rtx handling.
61 (const64_operand, const64_high_operand): Likewise.
62 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
63 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
64 (small_int_or_double, uns_small_int, zero_operand): Likewise.
65 * sparc.h (PREDICATE_CODES): Likewise.
67 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
69 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
71 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
72 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
73 consider constant CONSTRUCTOR constant and to defer some cases
75 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
76 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
78 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
80 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
81 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
83 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
84 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
85 (sext_add_operand, and_operand, or_operand): Likewise.
86 (reg_or_cint_operand, some_operand, input_operand): Likewise.
87 * alpha.h (PREDICATE_CODES): Likewise.
89 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
91 * version.c: Bump for snapshot.
93 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
95 * gengenrtl.c (gencode): Always use bzero to clear memory instead
96 of dangerous casts and stores.
98 * Makefile.in (compare, gnucompare): Add missing else true clauses.
100 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
102 * alpha.md (builtin_longjmp): Add missing "DONE".
104 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
106 * gcc.c (execute): Enable -pipe with win32.
108 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
110 * config/arm/t-arm-elf: Add multiplib option for leading
113 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
114 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
116 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
117 than variable 'reload_address_base_reg_class'. [Note this
118 change is unrelated to the others in this patch].
120 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
123 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
125 * alias.c (record_alias_subset): Remove ignored `&'.
126 (init_alias_once): Likewise.
128 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
130 * config/mips/mips.c (mips_asm_file_end): Cast the result of
131 fwrite to `int' when comparing against one.
133 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
134 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
136 * cse.c (rehash_using_reg): Change type of variable `i' to
139 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
142 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
144 * final.c (final_scan_insn): Likewise for variable `i'.
145 (output_asm_insn): Cast a char to unsigned char when used as an
148 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
151 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
153 * recog.c (preprocess_constraints): Cast a char to unsigned char
154 when used as an array index.
156 * regmove.c (find_matches): Likewise.
158 * reload1.c (calculate_needs): Add default case in switch.
159 (eliminate_regs_in_insn): Initialize variable `offset'.
160 (set_offsets_for_label): Change type of variable `i' to unsigned.
161 (reload_as_needed): Wrap variable `i' in macro check on
162 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
164 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
165 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
166 when comparing against one.
168 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
169 unsigned when comparing against one. Likewise for
170 GET_MODE_ALIGNMENT().
171 (layout_record): Cast record_align to int when comparing against a
173 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
176 * tree.c (get_identifier): Cast variable `len' to unsigned when
177 comparing against one.
178 (maybe_get_identifier): Likewise
180 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
182 * toplev.c (rest_of_compilation): Do not set reload_completed.
183 * reload1.c (reload): Set reload_completed before calling
184 cleanup_subreg_operands.
186 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
188 * reload1.c (emit_reload_insns): Check `set' not null before use.
190 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
192 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
195 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
197 * halfpic.c (half_pic_encode): Delete redundant code.
199 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
201 * toplev.c (main): Delete handling of -dM as a preprocessor
204 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
206 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
207 -dI, which are handled by the preprocessor.
209 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
211 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
212 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
214 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
216 * version.c: Bump for snapshot.
218 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
220 * version.c: Bump for snapshot.
222 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
224 * version.c: Bump for snapshot.
226 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
228 * genattr.c (fatal): Qualify a char* with the `const' keyword.
230 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
231 write_unit_name, write_eligible_delay, expand_units,
232 make_length_attrs, write_attr_case, find_attr,
233 make_internal_attr): Likewise.
234 * gencheck.c (tree_codes): Likewise.
235 * gencodes.c (fatal): Likewise.
236 * genconfig.c (fatal): Likewise.
237 * genemit.c (fatal): Likewise.
238 * genextract.c (fatal, walk_rtx, copystr): Likewise.
239 * genflags.c (fatal): Likewise.
240 * genopinit.c (fatal, optabs, gen_insn): Likewise.
241 * genoutput.c (fatal, error, predicates): Likewise.
242 * genpeep.c (fatal): Likewise.
243 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
244 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
246 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
248 * configure.in (with-fast-fixincludes): Fix whitespace.
249 * configure: Rebuilt.
251 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
252 asm() etc. function declarations in __DECC.
254 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
256 * expr.c (emit_move_insn_1): Only emit a clobber if the target
257 is a pseudo register.
259 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
261 * gcse.c: Include expr.h in order to get the prototype for
262 get_condition() which is used in delete_null_pointer_checks().
264 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
266 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
268 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
270 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
271 (ALL_CFLAGS): Delete SCHED_CFLAGS.
273 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
275 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
278 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
280 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
281 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
282 optimizations from the combiner.
284 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
286 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
288 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
290 * toplev.c (main): Disable optimize_size if a specific
291 optimization level is requested. Always set optimization
292 level to 2 if -Os is specified.
294 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
296 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
298 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
299 initialize it using fname.
301 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
303 * cpplib.c (do_include): Treat #include_next in the
304 primary source file as #include plus warning. Treat
305 #include_next in a file included by absolute path as an
306 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
308 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
310 * cccp.c: Don't define MIN/MAX anymore.
311 * cpplib.c: Likewise.
312 * machmode.h: Likewise.
313 * system.h: Provide definitions for MIN/MAX.
315 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
317 * fix-header.c: Don't define xstrdup here.
319 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
321 * loop.c (consec_sets_giv): New argument last_consec_insn.
322 (strength_reduce): Provide / use it.
324 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
326 * loop.h (loop_info): New field 'vtop'.
327 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
328 scanning loop for vtop.
329 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
330 (loop_iterations): Use them to determine if loop has a constant
331 number of iterations. Set loop_info->vtop. Don't subtract
332 common reg term from initial_value and final_value if have a
335 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
337 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
339 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
341 * mn10200.md (abssf2, negsf2): New expanders.
343 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
345 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
347 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
348 replaced by a CONCAT whoes components do not have the same
349 mode as the original SUBREG, use a new SUBREG to restore the
352 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
353 multiword complex values.
355 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
357 * cppalloc.c: Add xstrdup here.
358 * cpplib.h: Remove savestring prototype.
359 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
361 * cppfiles.c: s/savestring/xstrdup/ throughout.
363 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
365 * cpplib.c: Make all directive handlers read their own
367 (struct directive): Remove last two arguments from FUNC
368 member prototype. Remove `command_reads_line' member
370 (directive_table): Remove initializations of
371 command_reads_line flag. Pretty-print.
372 (eval_if_expression, do_define, do_line, do_include,
373 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
374 do_else, do_elif, do_sccs, do_assert, do_unassert,
375 do_warning): Take only two args.
377 (cpp_define): Call do_define with two args and the text to
378 define stuffed into a buffer.
379 (make_assertion): Call do_assert with two args.
380 (handle_directive): Call do_line with two args. Call
381 kt->func with two args. Remove command_reads_line
383 (do_define, do_undef, do_error, do_warning, do_pragma,
384 do_sccs): Read the rest of the line here.
385 (do_ident): Gobble rest of line, as cccp does.
386 (cpp_undef): New function.
387 (cpp_start_read): Call cpp_undef instead of do_undef.
389 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
391 * cpphash.h (union hash_value): Remove `keydef' member, add a
392 `struct hashnode *aschain' member for #assert.
394 * cpplib.c (struct tokenlist_list, struct
395 assertion_hashnode): Delete structure definitions.
396 (assertion_install, assertion_lookup, delete_assertion,
397 check_assertion, compare_token_lists, reverse_token_list,
398 read_token_list, free_token_list): Delete functions.
399 (parse_assertion): New function.
400 (cpp_cleanup): Don't destroy the assertion_hashtable.
402 (do_assert): Gut and rewrite. #assert foo (bar) places
403 entries for `#foo' and `#foo(bar)' in the macro hash table,
404 type T_ASSERT. The value union's `aschain' member is used
405 to chain all answers for a given predicate together.
406 (do_unassert): Also rewritten. Take an un-asserted
407 answer off the chain from its predicate and call
408 delete_macro on the hashnode, or walk a predicate chain
409 calling delete_macro on all the entries.
410 (cpp_read_check_assertion): Simply call parse_assertion to
411 get the canonical assertion name, and look that up in the
414 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
417 * cpphash.c (install): Use bcopy instead of an explicit loop
418 to copy the macro name.
420 * cppexp.c (cpp_lex): Convert the result of
421 cpp_read_check_assertion to a `struct operation' directly;
422 don't go through parse_number.
424 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
426 * loop.h (struct induction): Delete times_used member.
427 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
428 (n_times_used): Rename to n_times_set. Changed all users.
429 (scan_loop): Free reg_single_usage before strength reduction.
430 (record_giv, combine_givs): Remove handling of times_used member.
431 (combine_givs_used_once): Rename to:
432 (combine_givs_used_by_other) . Changed all callers.
434 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
436 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
437 instead of TREE_CODE_CLASS == 't'.
438 (gen_type_die): Likewise.
439 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
441 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
443 * real.c (endian): Disable last change unless
444 HOST_BITS_PER_WIDE_INT is greater than 32.
446 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
448 * output.h (force_data_section): New prototype.
449 * varasm.c (force_data_section): New function to force the
450 data section, regardless of what in_section thinks.
451 * dwarf2out.c (output_call_frame_info): Call force_data_section
452 since varasm may not realize we've changes sections.
454 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
456 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
457 after completeing reload.
459 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
460 deleted after reload.
462 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
464 * rtl.h (multiple_sets): Fix prototype.
465 * rtlanal.c (multiple_sets): Fix return type.
467 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
469 * version.c: Bump for snapshot.
471 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
473 * version.c: Bump for snapshot.
475 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
477 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
479 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
481 * rtl.h (recompute_reg_usage): Add second argument.
482 * flow.c (recompute_reg_usage): Likewise.
483 * toplev.c (rest_of_compilation): Supply second argument to
486 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
489 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
491 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
492 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
493 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
496 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
498 * rtlanal.c (multiple_sets): New function.
499 * rtl.h (multiple_sets): Declare it.
500 * local-alloc.c (wipe_dead_reg): Use it.
501 * global.c (global_conflicts): Likewise.
503 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
505 * global.c (record_conflicts): Don't use an array of shorts to
506 store an array of ints.
507 (global_conflicts): Likewise.
509 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
511 * alpha.c (alpha_expand_block_move): mode_for_size expects
512 bits, not bytes. Infer extra alignment from addressof.
514 1998-12-11 Michael Meissner <meissner@cygnus.com>
516 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
517 .sbss section, not .sdata.
519 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
521 * cccp.c: Do not #include <sys/stat.h> here; this is already done
523 * collect2.c: Likewise.
524 * cpplib.h: Likewise.
527 * getpwd.c: Likewise.
528 * protoize.c: Likewise.
529 * toplev.c: Likewise.
531 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
532 and don't try to define it here.
533 * Makefile.in (cppmain.o): Depend on machmode.h.
534 (cpplib.o): Likewise.
535 (cpperror.o): Likewise.
536 (cppexp.o): Likewise.
537 (cppfiles.o): Likewise.
538 (cpphash.o): Likewise.
539 (cppalloc.o): Likewise.
540 (fix-header.o): Likewise.
541 (scan-decls.o): Likewise.
543 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
545 * sh.c (print_operand): lookup interrupt_handler attribute instead
546 of relying on static variable.
547 * (calc_live_regs): Likewise.
548 * (sh_pragma_insert_attributes): Create interrupt_handler
549 attribute if a pragma was specified
550 * (sh_valid_machine_decl_attribute): Don't set static flag.
551 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
553 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
555 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
556 to determine if a register is live at a jump destination.
557 Everything is dead at a BARRIER.
559 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
561 * cse.c (simplify_unary_operation): Sign-extend constants when
562 they have the most significant bit set for the target.
563 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
565 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
566 HOST_WIDE_INT temporary before negating it.
567 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
569 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
571 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
574 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
576 * collect2.h: New header file for prototypes.
578 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
580 * collect2.c: Include collect2.h.
583 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
585 * flow.c: Update some comments.
587 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
589 * objc/objc-act.c (cpp_initialized): Removed.
590 (lang_init_options): Initialize cpplib.
591 (lang_decode_option): Move initialization of cpplib to
593 * c-lang.c: (parse_options,parse_in): Added.
594 (lang_init_options): Initialized cpplib here.
595 * c-decl.c (parse_options,cpp_initialized): Removed.
596 (c_decode_option): Move initialization of cpplib to
599 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
601 * reload1.c (reload_combine, reload_combine_note_store):
602 Make STORE_RUID always valid.
603 (reload_combine): Check if BASE is clobbered too early.
605 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
607 * reload.c (find_reloads): Display the insn that cannot be
610 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
612 * cccp.c (create_definition): Fix end of bufer logic.
614 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
616 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
617 pointer parameters changed to use the PARAMS() macro.
619 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
621 * except.h (struct handler_info): Add handler_number field.
622 * except.c (gen_exception_label): EH labels no longer need to be
623 on the permanent obstack.
624 (get_new_handler): Set the label number field.
625 (output_exception_table_entry): Regenerate handler label reference
626 from the label number field.
627 (init_eh): Remove a blank line.
628 * integrate.c (get_label_from_map): Labels no longer need to be
629 on the permanent obstack.
631 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
633 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
634 only when OUTER_CODE is SET.
636 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
638 * loop.c (strength_reduce): If scan_start points to the loop exit
639 test, be wary of subversive use of gotos inside expression statements.
640 Don't set maybe_multiple for a backward jump that does not
641 include the label under consideration into its range.
642 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
644 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
646 * explow.c (plus_constant_wide): Don't immediately return with
647 result of recursive call.
649 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
651 * eh-common.h (struct eh_context): Add table_index for rethrows.
653 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
654 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
655 processed when inlined or unrolled (ie duplicated in some way).
657 * rtl.c (reg_note_name): Add strings for new reg_note enums.
659 * expr.h (rethrow_libfunc): New library decl.
661 * optabs.c (rethrow_libfunc): Initialize.
663 * except.h (struct eh_entry): Add new field 'rethrow_label'.
664 (new_eh_region_entry): No longer exported from except.c.
665 (duplicate_handlers): Renamed to duplicate_eh_handlers and
667 (rethrow_symbol_map, rethrow_used): New exported functions.
668 (eh_region_from_symbol): New exported function.
670 * except.c (create_rethrow_ref): New function to create a single
671 SYMBOL_REF for a rethrow region.
672 (push_eh_entry): Initialize a rethrow ref.
673 (func_eh_entry): Add a rethrow_label field.
674 (new_eh_region_entry): Make static, and initialize the rethrow entry.
675 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
676 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
677 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
678 a region into an appropriate new symbol.
679 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
680 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
681 (end_catch_handler): Emit a barrier for new-exceptions since
682 control can never drop through the end of a catch block.
683 (expand_end_all_catch): new-exceptions never fall through a catch
685 (expand_rethrow): use __rethrow routine for new exceptions.
686 (output_exception_table_entry): Generate rethrow labels, if needed.
687 (output_exception_table): Generate start and end rethrow labels.
688 (init_eh): Create rethrow symbols for beginning and end of table.
689 (scan_region): Don't eliminate EH regions which are the targets of
692 * flow.c (make_edges): Add different edges for rethrow calls,
693 identified by having the REG_EH_RETHROW reg label.
694 (delete_unreachable_blocks): Don't delete regions markers which are
695 the target of a rethrow.
697 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
698 allow save_for_inline_copying to call duplicate_eh_handlers.
699 (save_for_inline_copying): Call duplicate_eh_handlers instead of
700 exposing internal details of exception regions.
701 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
702 (expand_inline_function_eh_labelmap): New callback routine to
703 allow expand_inline_function to call duplicate_eh_handlers.
704 (expand_inline_function): Call duplicate_eh_handlers instead of
705 exposing internal details of exception regions.
706 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
709 * libgcc2.c (find_exception_handler): Generalize to enable it to
710 pick up processing where it left off last time for a rethrow.
711 (__unwinding_cleanup): New function. debug hook which is called before
712 unwinding when __throw finds there is nothing but cleanups left.
713 (throw_helper): Common parts of __throw extracted out for reuse.
714 (__throw): Common parts moved to throw_helper.
715 (__rethrow): New function for performing rethrows.
717 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
719 * reload1.c (current_function_decl): Tweak declaration.
721 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
723 * c-decl.c (flag_isoc9x): Default off.
724 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
725 * cccp.c (print_help, main): Likewise.
726 * gcc.c (default_compilers): Update for -std=gnu*.
728 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
730 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
731 * demangle.h: Deleted.
733 * reload1.c (current_function_decl): Declare.
735 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
737 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
739 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
741 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
743 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
745 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
747 * configure: Rebuilt.
748 * system.h: If the *_unlocked functions are available use them
749 instead of the locked counterparts by defining macros.
750 * config.in: Regenerated.
752 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
754 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
755 wrong and should only be used for dump related things, not
756 debugging information, instead main_input_filename should be used.
757 Also, reuse output_file_directive if possible.
758 * i386/aix386ng.h (ASM_FILE_START): Likewise.
759 * i386/isc.h (ASM_FILE_START): Likewise.
760 * i386/win-nt.h (ASM_FILE_START): Likewise.
761 * i386/sun386.h (ASM_FILE_START): Likewise.
763 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
765 * configure.in (mips*-*-linux*): Handle big and little endian
767 * configure: Rebuilt.
769 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
771 * emit-rtl.c: Fix typo.
773 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
775 * reload1.c (eliminate_regs): Don't do anything, if we're not
778 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
780 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
782 * mips/mips.c (mips_select_section): Add comment.
784 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
786 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
787 characters in file names in #line to be consistent with #include
788 handling. We support escape prcessing in the # 1 "..." version of
789 the command. See also support in cp/lex.c.
790 (handle_directive): Likewise.
793 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
795 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
796 so it'll work on non-ASCII platforms. Always consider $ an
797 identifier character. Take no arguments.
798 (cpp_reader_init): Call initialize_char_syntax with no
800 (cpp_start_read): Don't call initialize_char_syntax again.
801 Clear is_idchar['$'] and is_idstart['$'] if not
802 opts->dollars_in_ident.
804 * cpplib.h (struct cpp_reader): Replace void *data element by
805 cpp_options *opts. Rearrange elements to make gdb printout
806 less annoying (put buffer stack at end).
807 (CPP_OPTIONS): Get rid of now-unnecessary cast.
809 * cppmain.c: s/data/opts/ when initializing cpp_reader
811 * c-decl.c: Likewise.
812 * objc/objc-act.c: Likewise.
813 * fix-header.c: Likewise.
815 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
817 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
818 with a struct file_name_list pointer.
819 (struct cpp_reader): Add pointer to chain of `actual
820 directory' include searchpath entries.
821 (struct file_name_list): Add *alloc pointer for the sake of
822 the actual-directory chain.
824 Move definition of HOST_WIDE_INT here.
825 (cpp_parse_escape): Change prototype to match changes in
828 * cppfiles.c (actual_directory): New function.
829 (finclude): Use it to initialize the buffer's actual_dir
831 (find_include_file): We don't need to fix up max_include_len
834 * cpplib.c (do_include): Don't allocate a file_name_list on
835 the fly for current directory "" includes, use the one that's
836 been preallocated in pfile->buffer->actual_dir. Hoist out
837 duplicate code from the search_start selection logic.
838 (cpp_reader_init): Initialize pfile->actual_dirs.
840 Remove definition of HOST_WIDE_INT. Change calls
841 to cpp_parse_escape to match changes in cppexp.c (note
842 hardcoded MASK, which is safe since this is the source
845 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
846 to handle wide character constants in #if directives. The
847 function now returns a HOST_WIDE_INT, and takes a third
848 argument which is a binary mask for all legal values (0x00ff
849 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
850 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
851 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
853 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
855 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
857 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
859 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
860 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
861 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
863 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
865 * final.c (output_asm_name): Use tabs to seperate comments from
868 Include instruction lengths (if defined) in output.
870 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
872 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
873 in the loop_info structure.
875 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
877 * configure.in: (arm*-*-ecos-elf): New target.
878 * configure: Regenerated.
879 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
880 * config/arm/ecos-elf.h: New file.
881 * config/arm/unknown-elf.h (TARGET_VERSION): Check
884 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
886 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
888 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
890 * version.c: Bump for snapshot.
892 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
894 * loop.c (check_dbra_loop): New argument loop_info. Update fields
897 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
899 * version.c: Bump for snapshot.
901 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
903 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
904 compressed reports are ok and preferred over URLs
906 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
908 * invoke.texi (Warning Options): Soften the tone of -pedantic
910 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
912 * print-rtl.c (print_rtx): Add prototype.
914 * unroll.c (iteration_info): Make it static.
916 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
918 * alias.c (memrefs_conflict_p): A second ANDed address
919 disables the aligned address optimization.
921 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
923 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
926 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
928 * i960.h (BOOL_TYPE_SIZE): Define.
930 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
932 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
933 from old valid_parallel_operands_4.
934 (valid_parallel_operands_4): Check that operands for 4 operand
935 parallel insns are valid, excluding load/store insns.
936 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
937 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
938 valid_parallel_load_store instead of valid_parallel_operands_4.
939 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
940 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
941 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
942 *notqi_movqi_clobber): Use valid_parallel_operands_4.
943 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
944 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
945 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
947 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
949 * config/c4x/c4x.c (iteration_info): Delete extern.
951 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
953 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
955 * final.c (cleanup_subreg_operands): Delete some unused code.
957 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
958 (struct insn_alternative): New structure definition.
959 (recog_op_alt): Declare variable.
960 (preprocess_constraints): Declare function.
961 * recog.c (recog_op_alt): New variable.
962 (extract_insn): Verify number of alternatives is in range.
963 (preprocess_constraints): New function.
964 * reg-stack.c: Include recog.h.
965 (constrain_asm_operands): Delete.
966 (get_asm_operand_lengths): Delete.
967 (get_asm_operand_n_inputs): New function.
968 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
969 N_OUTPUTS args. All callers changed.
970 Compute number of inputs and outputs here by calling
971 get_asm_operand_n_inputs.
972 Instead of constrain_asm_operands, call extract_insn,
973 constrain_operands and preprocess_constaints. Use information
974 computed by these functions throughout.
975 (record_reg_life): Delete code that is unused due to changes in
977 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
978 N_INPUTS and N_OUTPUTS args. All callers changed.
979 Similar changes as in record_asm_reg_life.
980 (subst_stack_regs): Move n_operands declaration into the if statement
982 Delete code that is unused due to changes in subst_asm_stack_regs.
983 * stmt.c (expand_asm_operands): Verify number of alternatives is in
985 * Makefile.in (reg-stack.o): Depend on recog.h.
987 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
989 * except.c (set_exception_version_code): Argument is an "int".
991 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
993 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
994 * configure: Rebuilt.
996 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
998 * configure.in (mipsel-*-linux*): New target.
999 * mips/linux.h: New file, based on other Linux targets.
1001 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1003 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1004 runs in the context of the deleter, not the deletee, so we must
1005 use taskVarGet to find the correct memory to free.
1006 (__gthread_key_create): Initialize the task
1007 variable subsystem so that the task variable is still active when
1008 the delete hook is run.
1010 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1012 * pdp11.h: Use optimize_size for space optimizations.
1013 * pdp11.c: Likewise.
1014 * pdp11.md: Likewise.
1016 * pdp11.h (TARGET_40_PLUS): Fix typo.
1018 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1020 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1023 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1025 * alias.c (addr_side_effect_eval): New function.
1026 (memrefs_conflict_p): Use it.
1027 * rtl.h (addr_side_effect_eval): Prototype it.
1029 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1031 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1033 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1035 * reload.c (find_reloads): When force const to memory, put result
1036 in substed_operand not *recog_operand_loc.
1038 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1040 * c-lex.c: Fix indentation from last patch.
1041 Remove trailing whitespace.
1044 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1046 * flow.c (delete_block): Call set_last_insn after we have reset
1047 NEXT_INSN (kept_tail).
1049 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1051 * mips.md (trap_if): Use "$0" for the value zero.
1053 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1054 Stephen L Moshier <moshier@world.std.com>
1055 Richard Henderson <rth@cygnus.com>
1057 * c-common.c (declare_function_name): Declare predefinied variable
1060 * c-decl.c (flag_isoc9x): Set to 1 by default.
1061 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1062 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1064 * c-parse.in: Allow constructors in ISO C 9x.
1065 Rewrite designator list handling.
1066 Allow [*] parameters.
1067 Don't warn about comma at end of enum definition for ISO C 9x.
1069 * cccp.c (c9x): New variable.
1070 (rest_extension): New variable.
1071 (print_help): Document new -std= option.
1072 (main): Recognize -std= option. Set c9x appropriately.
1073 (create_definition): Recognize ISO C 9x vararg macros.
1075 * gcc.c (default_compilers): Adjust specs for -std options.
1076 (option_map): Add --std.
1077 (display_help): Document -std.
1079 * toplev.c (documented_lang_options): Add -std and remove
1082 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1083 or REAL_VALUE_HTOF based on base of the constants.
1084 * fold-const.c (real_hex_to_f): New function. Replacement function
1085 for hex FP conversion if REAL_ARITHMETIC is not defined.
1086 * real.c (asctoeg): Add handling of hex FP constants.
1087 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1090 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1092 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1093 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1094 expansion. Use hi/lo as destination register.
1096 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1097 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1098 Avoid as macro expansion. Use hi/lo as destination register.
1100 * mips.h (MASK_CHECK_RANGE_DIV): New.
1101 (MASK_NO_CHECK_ZERO_DIV): New.
1102 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1103 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1104 return address for leaf functions out of r31 to support
1105 builtin_return_address.
1107 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1109 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1110 NEXT_INSN(x) to check insn x.
1112 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1114 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1115 last insn in the rtl chain.
1117 * reload1.c (reload): Do not set reload_completed or split insns
1119 * toplev.c (rest_of_compilation): Set reload_completed after
1120 reload returns. Split insns after reload_cse has run.
1122 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1124 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1126 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1128 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1130 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1132 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1133 use of user-label_prefix.
1135 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1137 * reload1.c (emit_reload_insns): Clear spill_reg_store
1138 when doing a new non-inherited reload from the same pseudo.
1140 * local-alloc.c (function_invariant_p): New function.
1141 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1142 to decide if an equivalence should be recorded.
1143 * reload1.c (num_eliminable_invariants): New static variable.
1144 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1145 to decide if an equivalence should be recorded.
1147 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1148 Take num_eliminable_invariants into account when deciding
1149 if register elimination should be done.
1150 (reload_as_needed): Take num_eliminable_invariants into account
1151 when deciding if register elimination should be done.
1152 (eliminate_regs): Handle non-constant reg_equiv_constant.
1153 * rtl.h (function_invariant_p): Declare.
1155 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1157 * version.c: Bump for snapshot.
1159 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1161 * version.c: Bump for snapshot.
1163 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1165 * except.c (add_new_handler): Complain about additional handlers
1166 after one that catches everything.
1168 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1170 * configure.in (alpha*-*-netbsd): Fix typo.
1171 * configure: Rebuilt.
1173 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1175 * system.h: Include libiberty.h.
1177 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1178 function `concat' from fixed parameters to variable parameters,
1179 as is done in libiberty. All callers of concat/concat3
1180 changed to use the new `concat' with variable args.
1182 * cccp.c: Remove things made redundant by libiberty.h and/or
1183 conform to libiberty standards.
1185 * collect2.c: Likewise.
1186 * config/1750a/1750a.h: Likewise.
1187 * cppalloc.c: Likewise.
1188 * cppexp.c: Likewise.
1189 * cppfiles.c: Likewise.
1190 * cpphash.c: Likewise.
1191 * cpplib.c: Likewise.
1192 * dyn-string.c: Likewise.
1193 * fix-header.c: Likewise.
1196 * genattr.c: Likewise.
1197 * genattrtab.c: Likewise.
1198 * gencheck.c: Likewise.
1199 * gencodes.c: Likewise.
1200 * genconfig.c: Likewise.
1201 * genemit.c: Likewise.
1202 * genextract.c: Likewise.
1203 * genflags.c: Likewise.
1204 * gengenrtl.c: Likewise.
1205 * genopinit.c: Likewise.
1206 * genoutput.c: Likewise.
1207 * genpeep.c: Likewise.
1208 * genrecog.c: Likewise.
1209 * getpwd.c: Likewise.
1210 * halfpic.c: Likewise.
1212 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1213 in NEED_DECLARATION_* macros.
1215 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1216 conform to libiberty standards.
1217 (fatal): Fix const-ification of variable `format' in
1218 !ANSI_PROTOTYPES case.
1220 * prefix.c: Remove things made redundant by libiberty.h and/or
1221 conform to libiberty standards.
1223 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1224 conflicting with function `spaces' from libiberty.
1226 * profile.c: Remove things made redundant by libiberty.h and/or
1227 conform to libiberty standards.
1228 * protoize.c: Likewise.
1231 * tlink.c: Likewise.
1232 * toplev.c: Likewise.
1233 * toplev.h: Likewise.
1236 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1238 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1240 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1242 * README.C4X: Updated URLs.
1243 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1244 (valid_parallel_operands_5): Remove unused variable.
1246 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1248 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1250 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1252 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1253 which can be configured.
1254 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1255 (Makefile): Pass actual LANGUAGES through the environment when
1257 (cstamp-h): Likewise.
1258 (config.status): Likewise.
1260 * configure.in (enable_languages): Add new configuration parameter
1261 "--enable-languages=lang1,lang2,...".
1262 (${srcdir}/*/config-lang.in): Change handling to configure only
1263 those directories, that the user might have enabled; default to
1264 "all" existing languages.
1265 * configure: Regenerate.
1267 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1269 * rtlanal.c (regs_set_between_p): New function.
1270 * rtl.h (regs_set_between_p): Prototype it.
1271 * jump.c (jump_optimize): Use it instead of modified_between_p
1272 in the Sep 2 change.
1274 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1275 Matthias Pfaller <leo@dachau.marco.de>
1277 * invoke.texi (Option Summary, NS32K Options): add description
1278 of NS32K specific options.
1280 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1281 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1282 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1283 negdf2, absdf2): Use l instead of f since the double class and
1284 float class are no longer the same.
1285 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1286 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1287 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1288 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1290 (cmpsi, cmphi, cmpqi): use general_operand instead of
1291 non_immediate_operand. Removes erroneous assumption that can't
1293 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1294 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1296 (movstrsi, movstrsi1, movstrsi2): completely new block move
1298 (...): Patterns to exploit multiply-add instructions.
1299 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1300 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1301 patterns to exploit extended divide insns.
1302 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1305 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1306 float return values as well as simple scalar floats.
1307 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1308 support new flag to denote 32381 fpu.
1309 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1310 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1312 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1313 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1314 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1315 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1316 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1317 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1318 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1319 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1320 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1321 fpu registers and special register classes for new 32381
1322 instructions dotf and polyf.
1323 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1325 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1326 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1328 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1329 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1330 (REGISTER_MOVE_COST): move code to register_move_cost function for
1331 ease of coding and debugging.
1332 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1333 LONG_FLOAT_REGO is likely spilled but not caught by default
1335 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1336 instead of hard coded numbers in range check.
1337 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1338 (...): Add prototypes for functions in ns32k.c but disable because
1339 of problems when ns32k.h is included in machine independant files.
1341 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1342 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1343 hard_regno_mode_ok, secondary_reload_class,
1344 print_operand, print_operand_address): new register scheme to
1345 include 32381 fpu registers and special register classes for new
1346 32381 instructions dotf and polyf.
1347 (gen_indexed_expr): Make static to keep namespace clean.
1348 (check_reg): remove since never called.
1349 (move_tail, expand_block_move): helper functions for "movstrsi"
1351 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1352 Increase cost of moves which go via memory.
1353 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1354 (CPP_PREDEFINES): nolonger predefine "unix".
1356 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1357 Remove erroneous %$. print_operand() can work out from the rtx is
1358 an immediate prefix is required.
1360 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1361 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1362 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1364 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1367 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1368 Correct handling of pic operands.
1369 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1370 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1371 -mrtd calling convention.
1373 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1375 * gcc.c (option_map): Recognize --output-class-directory.
1377 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1379 * loop.h (precondition_loop_p): Added new mode argument.
1380 * unroll.c (precondition_loop_p): Likewise.
1381 (approx_final_value): Function deleted and subsumed
1382 into loop_iterations.
1383 (loop_find_equiv_value): New function.
1384 (loop_iterations): Use loop_find_equiv_value to find increments
1385 too large to be immediate constants. Also use it to find terms
1386 common to initial and final iteration values that can be removed.
1388 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1390 * loop.h (struct loop_info): Define new structure.
1391 (precondition_loop_p): Added prototype.
1392 (unroll_loop): Added new argument loop_info to prototype.
1393 (final_biv_value, final_giv_value): Added new argument n_iterations
1395 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1396 and new pointer loop_info.
1397 (loop_n_iterations): Replace global variable by element in
1398 loop_info structure.
1399 (check_final_value): New argument n_iterations.
1400 (insert_bct): New argument loop_info.
1401 (loop_unroll_factor): Replace global array by element in
1402 loop_info structure.
1403 (loop_optimize): Remove code to allocate and initialise
1404 loop_unroll_factor_array.
1405 * unroll.c (precondition_loop_p): No longer static since
1406 used by branch on count optimization.
1407 (precondition_loop_p, unroll_loop): New argument loop_info.
1408 (final_biv_value, final_giv_value, find_splittable_regs): New
1409 argument n_iterations.
1410 (loop_iteration_var, loop_initial_value, loop_increment,
1411 loop_final_value, loop_comparison_code, loop_unroll_factor):
1412 Replaced global variables by loop_info structure.
1413 (loop_unroll_factor): Replace global array by element in
1414 loop_info structure.
1416 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1418 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1421 * unroll.c (precondition_loop_p): Return loop_initial_value
1422 for initial_value instead of loop_iteration_var.
1424 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1426 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1427 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1428 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1429 to output the instruction sequences.
1431 (rptb_top): Provide alternatives to use any register or memory
1433 (rptb_end): Emit use of operands rather than assigning them
1434 explicitly to the RS and RE registers.
1436 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1438 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1439 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1440 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1441 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1442 c4x_merge_notes, c4x_parallel_process,
1443 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1444 c4x_combine_parallel): Delete.
1446 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1448 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1449 with old target options clear flag_branch_on_count_reg if
1450 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1452 (c4x_output_cbranch): Handle a sequence of insns rather than a
1454 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1455 has not been allocated as the loop counter.
1456 (c4x_address_conflict): Do not allow two volatile memory references.
1457 (valid_parallel_operands_4, valid_parallel_operands_5,
1458 valid_parallel_operands_6): Reject pattern if the register destination
1459 of the first set is used as part of an address in the second set.
1461 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1463 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1464 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1465 is no longer enabled if PARALLEL_MPY_FLAG set.
1466 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1467 (REG_CLASS_CONTENTS): Add braces around initializers.
1468 (HAVE_MULTIPLE_PACK): Define.
1469 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1470 REAL_VALUE_TO_DECIMAL.
1471 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1472 REAL_VALUE_TO_DECIMAL.
1473 (ar0_reg_operand): Add prototype.
1474 (ar0_mem_operand): Likewise.
1475 (ar1_reg_operand): Likewise.
1476 (ar1_mem_operand): Likewise.
1477 (ar2_reg_operand): Likewise.
1478 (ar2_mem_operand): Likewise.
1479 (ar3_reg_operand): Likewise.
1480 (ar3_mem_operand): Likewise.
1481 (ar4_reg_operand): Likewise.
1482 (ar4_mem_operand): Likewise.
1483 (ar5_reg_operand): Likewise.
1484 (ar5_mem_operand): Likewise.
1485 (ar6_reg_operand): Likewise.
1486 (ar6_mem_operand): Likewise.
1487 (ar7_reg_operand): Likewise.
1488 (ar7_mem_operand): Likewise.
1489 (ir0_reg_operand): Likewise.
1490 (ir0_mem_operand): Likewise.
1491 (ir1_reg_operand): Likewise.
1492 (ir1_mem_operand): Likewise.
1493 (group1_reg_operand): Likewise.
1494 (group1_mem_operand): Likewise.
1495 (ir1_reg_operand): Likewise.
1496 (arx_reg_operand): Likewise.
1497 (not_rc_reg): Likewise.
1498 (not_modify_reg): Likewise.
1499 (c4x_group1_reg_operand): Remove prototype.
1500 (c4x_group1_mem_operand): Likewise.
1501 (c4x_arx_reg_operand): Likewise.
1503 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1505 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1506 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1508 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1510 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1513 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1515 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1516 unless FMOVD_WORKS is defined.
1518 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1520 * regclass.c (init_reg_sets): Move code that calculates tables
1521 dependent on reg_class_contents from here...
1522 (init_reg_sets_1): To here.
1524 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1526 * cpplib.h: Delete struct import_file. Add ihash element to
1527 struct cpp_buffer. Delete dont_repeat_files and
1528 import_hash_table elements from cpp_reader; change
1529 all_include_files to a hash table. Delete all foobar_include
1530 / last_foobar_include elements from struct cpp_options; put
1531 back four such: quote_include, bracket_include,
1532 system_include, after_include. Redo struct file_name_list
1533 completely. Add new structure type include_hash. Add
1534 prototypes for merge_include_chains and include_hash. Change
1535 prototypes for finclude, find_include_file, and
1536 append_include_chain to match changes below.
1538 * cppfiles.c (simplify_pathname, include_hash,
1539 remap_filename, merge_include_chains): New functions.
1540 (add_import, lookup_import, open_include_file): Removed.
1541 (INO_T_EQ): Define this (copied from cccp.c).
1542 (hack_vms_include_specification): Remove all calls and #if 0
1543 out the definition. It was being called incorrectly and at
1544 the wrong times. Until a VMSie can look at this, it's better
1545 to not pretend to support it.
1546 (append_include_chain): Change calling convention; now takes
1547 only one directory at a time, and sets up the data structure
1549 (redundant_include_p): Rewritten - this is now used for all
1550 include redundancy, whether by #ifndef, #import, or #pragma
1551 once. Looks up things in the include hash table.
1552 (file_cleanup): Decrement pfile->system_include_depth here if
1554 (find_include_file): Calling convention changed; now passes
1555 around a struct include_hash instead of 3 separate parameters.
1556 Guts ripped out and replaced with new include_hash mechanism.
1557 (finclude): Calling convention changed as for
1558 find_include_file. Error exits pulled out-of-line. Reformat.
1559 (safe_read): Return a long, not an int.
1560 (deps_output): Don't recurse.
1562 * cpplib.c (is_system_include): Deleted.
1563 (path_include): Fix up call to append_include_chain.
1564 (do_include): Fix up calls to find_include_file and finclude.
1565 Clean up dependency output a bit. Shorten obnoxiously lengthy
1566 #import warning message. Don't decrement
1567 pfile->system_include_depth here.
1568 (do_pragma): Understand the include_hash structure. Reformat.
1569 (do_endif): Correct handling of control macros. Understand
1571 (cpp_start_read): Fix up calls to finclude. Call
1572 merge_include_chains.
1573 (cpp_handle_option): Fix up calls to append_include_chain.
1574 Understand the four partial include chains.
1575 (cpp_finish): Add debugging code (#if 0-ed out) for the
1577 (cpp_cleanup): Free the include_hash, not the import hash and
1578 the all_include and dont_repeat lists which no longer exist.
1580 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1582 * toplev.c (no_new_pseudos): Define.
1583 (rest_of_compilation): Set no_new_pseudos as needed.
1584 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1585 if no_new_pseudos is set.
1586 * rtl.h (no_new_pseudos): Declare it.
1587 * reload1.c (reload): Update comments.
1588 * md.texi: Corresponding changes.
1590 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1592 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1593 (choose_reload_regs): Rename it here as well. When computing it,
1594 also merge in used hardregs.
1596 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1598 * gcc.c: Split out Objective-C specs to...
1599 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1602 * c-lex.c (init_parse): Always initialize the filename global.
1603 * objc/objc-act.c (lang_init): Always call check_newline at
1606 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1608 * reload1.c (reload): Remove unused variable.
1609 (reload_reg_free_for_value_p): Add missing parameter definition.
1611 * jump.c (jump_optimize): Remove unused variable.
1613 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1615 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1617 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1619 * expr.c (move_by_pieces): Similarly.
1620 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1621 * flow.c (find_auto_inc): Similarly.
1622 (try_pre_increment): Similarly.
1623 * loop.c (strength_reduce): Similarly.
1624 * regclass.c (auto_inc_dec_reg_p): Similarly.
1625 * regmove.c (try_auto_increment): Similarly.
1626 (fixup_match_1): Similarly.
1627 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1628 (HAVE_PRE_DECREMENT): Similarly.
1629 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1630 * Corresponding changes to all target header files.
1631 * tm.texi: Update docs for autoinc addressing modes.
1633 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1635 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1636 * configure: Rebuild.
1637 * config/elfos.h: New file.
1638 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1639 config/m68k/t-m68kelf: New file.
1641 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1643 * Makefile.in (HOST_AR): Define.
1644 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1645 (libcpp.a): Use the host tools explicitly.
1646 (STAGESTUFF): Add libcpp.a.
1648 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1650 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1651 to source and destination registers.
1653 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1655 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1656 The strategy we now use is to pre allocate the top_elt along
1657 with the EH context so that each thread has its own top_elt.
1658 This is necessary as the dynmanic cleanup chain is used on the
1659 top element of the stack and each thread MUST have its own.
1660 (eh_context_static): Likewise.
1661 (new_eh_context): Likewise.
1662 (__sjthrow): Likewise.
1664 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1666 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1667 * i386.md (prologue_get_pc): Remove unused variable.
1669 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1671 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1673 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1675 * Makefile.in (OBJS): Add graph.o
1676 (graph.o): New dependency list.
1677 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1678 * print-rtl.c (dump_for_graph): Define new variable.
1679 (print_rtx): Rewrite to allow use in graph dumping functions.
1680 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1681 finish_graph_dump_file.
1682 Define graph_dump_format.
1683 (compile_file): If graph dumping is enabled also clear these files.
1684 Finish graph dump files.
1685 (rest_of_compilation): Also dump graph information if enabled.
1686 (main): Recognize -dv to enabled VCG based graph dumping.
1687 * graph.c: New file. Graph dumping functions.
1689 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1691 * configure.in: Look for <sys/stat.h>.
1692 * system.h: Include it before substitute S_ISREG definitions.
1694 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1696 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1697 * config/mips/iris6.h: Same.
1698 * config/mips/mips.md: Same.
1699 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1700 * config/mips/mips.h: Same; also define ABI_O64.
1702 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1704 * configure.in: Use AC_PREREQ(2.12.1).
1706 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1708 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1709 * cpplib.c, gcc.c: Likewise.
1710 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1712 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1714 * local-alloc.c (local_alloc): Use malloc not alloca for
1715 reg_qty, reg_offset, ref_next_in_qty.
1717 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1719 * caller-save.c (insert_one_insn): Initialize the live_before and
1720 live_after register sets.
1724 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1725 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1726 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1727 (fp_reg_names, assembler_dialect): New variables.
1728 (print_operand_address): Handle SUBREGs.
1729 (print_operand): Added 'o' case.
1730 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1731 Name of FP registers depends on mode.
1732 (expand_block_move): Emit different code for SH4 hardware.
1733 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1734 (from_compare): Likewise.
1735 (add_constant): New argument last_value. Changed all callers.
1736 (find_barrier): Don't try HImode load for FPUL_REG.
1737 (machine_dependent_reorg): Likewise.
1738 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1739 (gen_far_branch): Emit a barrier after the new jump.
1740 (barrier_align): Don't trust instruction lengths before
1742 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1743 Use auto-inc addressing for fp registers if doubles need to
1744 be loaded in two steps.
1745 Set sh_flag_remove_dead_before_cse.
1746 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1747 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1748 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1749 Support for FIRST_XD_REG .. LAST_XD_REG.
1750 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1751 (sh_expand_epilogue): Likewise.
1752 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1753 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1754 (arith_reg_operand): FPUL_REG is OK for SH4.
1755 (fp_arith_reg_operand, fp_extended_operand) New functions.
1756 (tertiary_reload_operand, fpscr_operand): Likewise.
1757 (commutative_float_operator, noncommutative_float_operator): Likewise.
1758 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1759 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1760 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1761 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1762 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1763 (CONDITIONAL_REGISTER_USAGE): Likewise.
1764 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1765 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1766 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1767 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1768 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1769 to -1 and sh_flag_remove_dead_before_cse to 1.
1770 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1771 (assembler_dialect, fp_reg_names): Declare.
1772 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1773 Hide names of registers that are not accessible.
1774 (CACHE_LOG): Take TARGET_CACHE32 into account.
1775 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1776 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1777 (FIRST_PSEUDO_REGISTER: Now 49.
1778 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1779 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1780 (HARD_REGNO_MODE_OK): Update.
1781 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1782 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1783 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1784 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1785 (NPARM_REGS): Eight floating point parameter registers on SH4.
1786 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1787 in floating point registers.
1788 (GET_SH_ARG_CLASS) Likewise.
1789 Complex float types are also returned in float registers.
1790 (BASE_ARG_REG): Complex float types are also passes in float registers.
1791 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1792 (LIBCALL_VALUE): Remove trailing semicolon.
1793 (ROUND_REG): Round when double precision value is passed in floating
1795 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1796 passed on the stack.
1797 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1798 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1799 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1800 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1801 (MODE_DISP_OK_8): Not for SH4 DFmode.
1802 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1803 Allow indexed addressing for PSImode after reload.
1804 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1805 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1806 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1807 (DOUBLE_TYPE_SIZE): 64 for SH4.
1808 (RTX_COSTS): Add PLUS case.
1809 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1810 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1811 MAC_REGS, PR_REGS, DF_REGS.
1812 (REGISTER_NAMES): Use fp_reg_names.
1813 (enum processor_type): Add PROCESSOR_SH4.
1814 (sh_flag_remove_dead_before_cse): Declare.
1815 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1816 (PREDICATE_CODES): Add binary_float_operator,
1817 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1818 fpscr_operand, noncommutative_float_operator.
1819 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1820 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1821 * sh.md (attribute cpu): Add value sh4.
1822 (attrbutes fmovd, issues): Define.
1823 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1824 (function units memory, int, mpy, fp): Make dependent on issue rate.
1825 (function units issue, single_issue, load_si, load): Define.
1826 (function units load_store, fdiv, gp_fpul): Define.
1827 (attribute hit_stack): Provide proper default.
1828 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1829 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1830 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1831 (mulsi3_call): Now uses match_operand for function address.
1832 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1834 (push, pop, push_e, pop_e): Now define_expands.
1835 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1836 (movsi_ie): Added y/i alternative.
1837 (ic_invalidate_line_i, movdf_i4): New insns.
1838 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1839 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1840 (movdf): Add special code for SH4.
1841 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1842 (call_valuei, calli, call_value): Likewise.
1843 (movsf): Emit no-op move.
1844 (mov_nop, movsi_y): New insns.
1845 (blt, sge): generalize to handle DFmode.
1846 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1847 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1848 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1849 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1850 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1851 (toggle_sz): New insn.
1852 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1853 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1854 (macsf3): Make use of fpscr visible. Disable for SH4.
1855 (floatsisf2): Make use of fpscr visible.
1856 (floatsisf2_i4): New insn.
1857 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1858 (ieee_ccmpeqsf_t): Likewise.
1859 (fix_truncsfsi2): Emit different code for SH4.
1860 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1861 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1862 (negsf2, sqrtsf2, abssf2): Now expanders.
1863 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1864 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1865 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1866 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1867 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1868 (fix_truncdfsi2_i4_2+1): New splitters.
1869 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1870 (extendsfdf2, truncdfsf2): New expanders.
1871 (truncdfsf2_i4): New insn.
1872 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1873 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1874 * float-sh.h: When testing for __SH3E__, also test for
1875 __SH4_SINGLE_ONLY__ .
1876 * va-sh.h (__va_freg): Define to float.
1877 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1878 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1879 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1880 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1882 (TARGET_SH4_P): Define.
1885 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1886 init_expr_once is satisfied about the existence of load / store insns.
1888 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1889 change m constraint in source operand to mr / mf .
1891 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1893 * (__VA_REEF): Define.
1894 (__va_arg_sh1): Use it.
1896 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1898 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1900 * i386/dgux.c (struct option): Add new "description field".
1901 * m88k/m88k.c (struct option): Likewise.
1903 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1905 * version.c: Bump for snapshot.
1907 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1909 * regmove.c (regmove_profitable_p): Use return value of find_matches
1912 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1914 * version.c: Bump for snapshot.
1916 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1918 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1919 without reload having been called earlier.
1921 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1923 (v850_reorg): Similarly.
1925 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1927 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1929 * loop.c (move_movables): Start of libcall might be new loop start.
1931 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1933 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1935 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1937 * function.c (nonlocal_goto_handler_slots): Renamed from
1938 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1939 (push_function_context_to): Adjust for this change.
1940 (pop_function_context_from): Likewise.
1941 (init_function_start): Likewise.
1942 (expand_function_end): Likewise.
1943 * function.h (struct function): Likewise.
1944 * calls.c (expand_call): Likewise.
1945 * explow.c (allocate_dynamic_stack_space): Likewise.
1946 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1947 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1949 (expand_goto): When doing a nonlocal goto, find corresponding handler
1950 slot for it. Don't put the label address in the static chain register.
1951 (expand_end_bindings): Break out nonlocal goto handling code into
1952 three new functions.
1953 (expand_nl_handler_label, expand_nl_goto_receiver,
1954 expand_nl_goto_receivers): New static functions, broken out of
1955 expand_end_bindings and adapted to create one handler per nonlocal
1957 * function.c (delete_handlers): Delete insn if it references any of
1958 the nonlocal goto handler slots.
1959 * i960.md (nonlocal_goto): Comment out code that modifies
1961 * sparc.md (nonlocal_goto): Likewise.
1962 (goto_handler_and_restore_v9): Comment out.
1963 (goto_handler_and_restore_v9_sp64): Comment out.
1965 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1967 * expr.c (STACK_BYTES): Delete unused macro.
1968 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1969 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1970 (expand_call): Likewise.
1971 (emit_library_call): Likewise.
1972 (emit_library_call_value): Likewise.
1973 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1974 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1975 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1976 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1977 (allocate_dynamic_stack_space): Likewise.
1978 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1979 (STACK_BOUNDARY): Update description to reflect the new situation.
1981 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1983 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1984 return with a filled delay slot is followed by a return with an
1985 unfilled delay slot, delete the first return and reemit the insn
1986 that was previously in its delay slot.
1988 * i860.c (single_insn_src_p): Add missing parens.
1989 * ginclude/math-3300.h: Likewise.
1991 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1993 * regclass.c (init_reg_sets_1): Add prototype.
1994 (init_reg_modes): Likewise.
1996 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1998 * c-common.c: Change warning messages to say `comparison is
1999 always true' or `comparison is always false' instead of the
2000 confusing `is always 0', `is always 1'.
2002 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2004 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2005 break instead of return (which loses closing '>').
2007 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2009 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2010 standard 387 constants.
2012 * i386.md (jump): Explicitly set "memory" attribute.
2013 (indirect_jump, prologue_set_stack_ptr): Likewise.
2014 (prologue_get_pc_and_set_got, pop): Likewise.
2015 (allocate_stack_worder, blockage, return_internal): Likewise.
2016 (return_pop_internal, nop): Likewise.
2017 (epilogue_set_stack_ptr, leave): Likewise.
2019 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2021 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2023 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2025 * reload1.c (reload_reg_free_for_value_p):
2026 Early auto_inc reloads don't conflict with outputs.
2028 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2030 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2031 Instead call AC_HEADER_SYS_WAIT.
2033 * collect2.c: Don't provide defaults for sys/wait.h macros.
2035 * protoize.c: Likewise. Also, don't include sys/wait.h.
2037 * system.h: Include sys/wait.h and provide macro defaults.
2039 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2041 * Makefile.in (mandir): Set to @mandir@.
2042 (man1dir): New variable to hold the former value of $(mandir).
2043 Replace all uses of $(mandir) by $(man1dir).
2045 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2047 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2048 a new one before passing it to force_const_mem.
2050 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2051 find_reloads_address call.
2053 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2055 * expr.c (store_expr): Don't generate load-store pair
2056 if TEMP is identical (according to ==) with TARGET.
2058 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2060 * reload1.c (reload_reg_free_for_value_p): When considered reload
2061 has an output, matching inputs are not sufficient to avoid conflict.
2063 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2065 * hash.h (hash_table_key): New type.
2066 (hash_entry): Change `string' field to generic `key'.
2067 (hash_table): Add `comp' and `hash' functions.
2068 (hash_table_init): Take them as input.
2069 (hash_table_init_n): Likewise.
2070 (hash_lookup): Modify for generic keys.
2071 (hash_newfunc): Likewise.
2072 (hash_traverse): Likewise.
2073 (string_hash): New function.
2074 (string_compare): Likewise.
2075 (string_copy): Likewise.
2076 * hash.c (hash_table_init_n): Modify for generic keys.
2077 (hash_table_init): Likewise.
2078 (hash_lookup): Likewise.
2079 (hash_newfunc): Likewise.
2080 (hash_traverse): Likewise.
2081 (string_hash): Split out from hash_lookup.
2082 (string_compare): New function.
2083 (string_copy): Split out from hash_lookup.
2084 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2086 (symbol_hash_lookup): Likewise.
2087 (file_hash_newfunc): Likewise.
2088 (file_hash_lookup): Likewise.
2089 (demangled_hash_newfunc): Likewise.
2090 (demangled_hash_lookup): Likewise.
2091 (tlink_int): Likewise.
2092 (read_repo_file): Likewise.
2093 (recompile_files): Likewise.
2094 (demangle_new_symbols): Likewise.
2095 (scan_linker_output): Likewise.
2097 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2099 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2101 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2103 * rs6000.c (output_mi_thunk): Improve test for local branch.
2105 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2107 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2109 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2111 * reload1.c (reload_reg_free_before_p): Delete.
2112 Changed all callers to use reload_reg_free_for_value_p instead.
2113 (reload_reg_free_for_value_p): Handle more reload types.
2114 A RELOAD_FOR_INPUT doesn't conflict with its
2115 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2116 Add special case for OUT == const0_rtx.
2117 Added ignore_address_reloads argument. Changed all callers.
2119 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2121 * toplev.c (compile_file): Don't pedwarn about undefined static
2122 functions just because we passed -Wunused.
2124 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2126 * function.c (purge_addressof_1): Unshare rtl created by
2129 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2131 * regmove.c (regmove_optimize): Don't do anything but
2132 optimize_reg_copy[123] when flag_regmove is not set.
2134 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2136 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2137 value in paradoxical SImode result, rather than truncating midpoint.
2139 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2141 * alpha.c (reg_not_elim_operand): New.
2142 * alpha.h (PREDICATE_CODES): Add it.
2143 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2144 for the multiplicand.
2146 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2148 * rs6000.md (movsf): Remove explicit secondary-reload-like
2149 functionality. Only truncate SFmode store if in FPR.
2150 (movsf splitters): Combine const_double splitters.
2151 (movsf_hardfloat): Add GPR support.
2153 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2155 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2156 deprecate -mlive-g0 and -mbroken-saverestore.
2157 * t-splet (MULTILIB_OPTIONS): Likewise.
2159 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2160 in a leaf function. Clarify total_size/extra_size relationship.
2162 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2164 * i386/cygwin32.asm: Delete.
2165 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2166 * i386/cygwin32.h: Delete.
2167 * i386/cygwin.h: New file, renamed from cygwin32.h.
2168 * i386/t-cygwin32: Delete.
2169 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2170 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2171 * i386/x-cygwin32: Delete.
2172 * i386/x-cygwin: New file, renamed from x-cygwin32.
2173 * i386/xm-cygwin32: Delete.
2174 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2175 renamed cygwin_ funcs for path translations.
2176 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2177 * i386/winnt.c: Remove "32" from comment about cygwin.
2178 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2179 * rs6000/cygwin32.h: Delete.
2180 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2181 -D__CYGWIN__ to CPP_PREDEFINES.
2182 * rs6000/x-cygwin32: Delete.
2183 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2184 * rs6000/xm-cygwin32: Delete.
2185 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2187 * configure.in: Check for cygwin* instead of cygwin32. Account
2188 for the rename of cygwin-related config files to lose the "32"s.
2189 * configure: Regenerate.
2191 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2192 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2194 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2196 * Makefile.in (JAVAGC): New macro.
2197 * configure: Rebuilt.
2198 * configure.in: Recognize --enable-java-gc argument. Subst
2201 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2203 Handle equivalences that have been obscured by gcse:
2205 * reload1.c (reload): Handle equivalences set up in multiple places.
2206 * local-alloc.c (reg_equiv_init_insns): New variable.
2207 (no_equiv): New function.
2208 (update_equiv_regs): Handle equivalences set up in multiple places.
2209 Don't ignore an insn just because its destination is likely to be
2212 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2214 * except.c (expand_eh_return): Readd force_operand call lost in
2217 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2219 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2221 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2223 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2225 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2227 * regmove.c (regmove_optimize): Fix error in last change.
2229 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2231 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2232 offset in the .mask pseudo to compensate for frame pointer adjustments.
2233 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2234 word swap arguments moved to/from FP registers.
2235 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2237 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2239 * version.c: Bump for snapshot.
2241 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2243 * version.c: Bump for snapshot.
2245 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2247 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2248 times, then it can not be completely replaced.
2250 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2252 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2254 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2256 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2257 (to distinguish it from the macro wrapping ansidecl.h.)
2258 Include libiberty's ansidecl.h. Remove all redundant definitions.
2259 Define the PROTO() style macros in terms of the PARAMS() ones.
2262 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2263 __STDC__, when deciding whether to use ANSI variable args.
2264 (emit_library_call_value): Likewise.
2266 * cccp.c (error): Likewise.
2267 (warning): Likewise.
2268 (error_with_line): Likewise.
2269 (warning_with_line): Likewise.
2270 (pedwarn): Likewise.
2271 (pedwarn_with_line): Likewise.
2272 (pedwarn_with_file_and_line): Likewise.
2275 * cexp.y (error): Likewise.
2276 (pedwarn): Likewise.
2277 (warning): Likewise.
2279 * collect2.c (fatal_perror): Likewise.
2283 * combine.c (gen_rtx_combine): Likewise.
2285 * cpperror.c (cpp_message): Likewise.
2286 (cpp_fatal): Likewise.
2288 * cpplib.c (cpp_error): Likewise.
2289 (cpp_warning): Likewise.
2290 (cpp_pedwarn): Likewise.
2291 (cpp_error_with_line): Likewise.
2292 (cpp_warning_with_line): Likewise.
2293 (cpp_pedwarn_with_line): Likewise.
2294 (cpp_pedwarn_with_file_and_line): Likewise.
2296 * cpplib.h: Don't define PARAMS() macro.
2298 * demangle.h: Likewise.
2300 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2301 when deciding whether to use ANSI variable args.
2303 * emit-rtl.c (gen_rtx): Likewise.
2304 (gen_rtvec): Likewise.
2306 * final.c (asm_fprintf): Likewise.
2308 * fix-header.c (cpp_message): Likewise.
2310 (cpp_fatal): Likewise.
2312 * gcc.c (concat): Likewise.
2316 * genattr.c (fatal): Likewise.
2318 * genattrtab.c (attr_rtx): Likewise.
2319 (attr_printf): Likewise.
2322 * gencodes.c (fatal): Likewise.
2324 * genconfig.c (fatal): Likewise.
2326 * genemit.c (fatal): Likewise.
2328 * genextract.c (fatal): Likewise.
2330 * genflags.c (fatal): Likewise.
2332 * genopinit.c (fatal): Likewise.
2334 * genoutput.c (fatal): Likewise.
2337 * genpeep.c (fatal): Likewise.
2339 * genrecog.c (fatal): Likewise.
2341 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2342 deciding whether to declare `tree_node' and `rtx_def'.
2344 * hash.h: Don't define stuff we get from gansidecl.h.
2346 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2347 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2348 whether to use ANSI variable args.
2351 * prefix.c (concat): Likewise.
2355 * system.h: Likewise.
2357 * toplev.c (error_with_file_and_line): Likewise.
2358 (error_with_decl): Likewise.
2359 (error_for_asm): Likewise.
2362 (warning_with_file_and_line): Likewise.
2363 (warning_with_decl): Likewise.
2364 (warning_for_asm): Likewise.
2365 (warning): Likewise.
2366 (pedwarn): Likewise.
2367 (pedwarn_with_decl): Likewise.
2368 (pedwarn_with_file_and_line): Likewise.
2370 (really_sorry): Likewise.
2372 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2373 whether to declare `tree_node' and `rtx_def'.
2375 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2376 deciding whether to use ANSI variable args.
2377 (build_nt): Likewise.
2378 (build_parse_node): Likewise.
2380 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2382 * version.c: Bump for snapshot.
2384 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2386 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2388 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2390 * collect2.c (main, case 'b'): Use else if.
2392 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2394 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2395 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2396 before the config/ directory headers.
2397 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2398 gansidecl.h in the list of dependencies.
2400 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2401 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2402 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2403 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2404 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2405 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2408 * cccp.c: Don't include gansidecl.h.
2410 * collect2.c: Likewise.
2411 * config/c4x/c4x.c: Likewise.
2412 * config/v850/v850.h: Likewise.
2413 * cppalloc.c: Likewise.
2414 * cpperror.c: Likewise.
2415 * cppexp.c: Likewise.
2416 * cppfiles.c: Likewise.
2417 * cpphash.c: Likewise.
2418 * cpplib.c: Likewise.
2419 * cppmain.c: Likewise.
2420 * cppulp.c: Likewise.
2421 * demangle.h: Likewise.
2422 * doprint.c: Likewise.
2423 * dyn-string.c: Likewise.
2424 * eh-common.h: Likewise.
2425 * fix-header.c: Likewise.
2426 * frame.c: Likewise.
2429 * gen-protos.c: Likewise.
2430 * gencheck.c: Likewise.
2431 * halfpic.h: Likewise.
2433 * machmode.h: Likewise.
2434 * mbchar.c: Likewise.
2435 * prefix.c: Likewise.
2436 * protoize.c: Likewise.
2437 * recog.h: Likewise.
2439 * scan-decls.c: Likewise.
2441 * varray.h: Likewise.
2443 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2445 * i386.md (call_value_pop): If we're not popping anything,
2446 defer to call_value.
2447 (call_pop): Likewise defer to call.
2449 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2451 * function.c (purge_addressof): Clear purge_addressof_replacements
2452 only after processing the whole function.
2454 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2456 * reload1.c (reload): If we can not perform a particular elimination
2457 when we thought we could earlier, then we must always iterate through
2458 the loop at least one more time.
2460 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2462 * alpha.c (add_operand): Simplify the CONST_INT match.
2463 (sext_add_operand): Correct typo in comparison by using
2464 CONST_OK_FOR_LETTER_P.
2465 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2466 constant alternatives to be generated.
2467 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2468 small constants, since the hw instructions do.
2470 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2472 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2473 previous insn to store directly into our reload register, make sure
2474 that if the source of the previous insn is a reload register, its
2475 spill_reg_store and spill_reg_stored_to values are cleared.
2477 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2479 * rs6000.md (floatunssidf2_internal splitter): Use base register
2480 operand, not hard-coded SP.
2482 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2484 * jump.c (calculate_can_reach_end): Fix thinko.
2486 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2488 * reorg.c (fill_simple_delay_slots): Fix typo.
2490 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2492 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2494 * i386.md (extendsidi2): Use # in the output template.
2495 (extendsidi splitters): New splitters.
2497 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2499 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2501 * configure: Regenerate.
2503 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2505 * jump.c (init_label_info, delete_barrier_successors,
2506 mark_all_labels, delete_unreferenced_labels,
2507 delete_noop_moves, calculate_can_reach_end): New functions broken
2508 out of jump_optimize.
2509 (jump_optimize): Use them.
2511 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2513 * except.c (expand_fixup_region_end): Make sure outer context labels
2514 are not issued in an inner context during cleanups.
2516 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2518 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2521 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2523 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2524 to expose this midpoint to CSE.
2526 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2528 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2530 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2532 * configure.in: Bring over gcc2 change of Nov 19 1997.
2534 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2536 * toplev.c (output_lang_identify): Make definition dependent on
2537 ASM_IDENTIFY_LANGUAGE.
2539 * print-rtl.c (spaces): Make static.
2541 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2543 * extend.texi: Clarify proper uses for register clobbers in asms.
2545 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2547 * recog.h (enum op_type): Define.
2548 (constrain_operands): Adjust prototype.
2549 (recog_op_type): Declare new variable.
2550 * recog.c (recog_op_type): New variable.
2551 (insn_invalid_p): Allow modifying an asm statement after reload.
2552 (extract_insn): Set up recog_op_type.
2553 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2554 Don't compute operand types, use recog_op_type.
2555 Use the information computed by extract_insn instead of the previous
2556 method of finding it by insn code number.
2557 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2558 * reorg.c (fill_slots_from_thread): Likewise.
2559 * reload1.c (reload_as_needed): Likewise.
2560 (gen_reload): Likewise.
2561 (inc_for_reload): Likewise.
2562 (reload_cse_simplify_operands): Likewise.
2563 Use the information computed by extract_insn instead of the previous
2564 method of finding it by insn code number.
2565 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2567 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2568 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2569 Use the information computed by extract_insn instead of the previous
2570 method of finding it by insn code number.
2571 * regmove.c (find_matches): Likewise. Change meaning of the return
2572 value to be nonzero if the optimization can be performed, zero if
2573 not. All callers changed.
2574 Shorten some variable names to fix formatting problems.
2575 (regmove_optimize): Shorten some variable names to fix formatting
2577 Use the information computed by extract_insn instead of the previous
2578 method of finding it by insn code number.
2579 * regclass.c (scan_one_insn): Likewise.
2580 (record_reg_classes): Don't compute operand types, use recog_op_type.
2581 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2582 recog_constraints instead.
2584 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2586 * rtl.h (flow2_completed): Declare.
2587 * flow.c (flow2_completed): Definition.
2588 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2591 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2593 * Makefile.in (libcpp.a): Ranlib libcpp.a
2595 * cppulp.c (user_label_prefix): Initialize.
2597 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2599 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2600 at a RETURN if current_function_sp_is_unchanging is set.
2602 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2604 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2606 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2608 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2609 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2610 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2611 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2612 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2613 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2615 (LIB_SPEC): Handle -mno-cyginw option.
2616 (LINK_SPEC): Handle -mdll.
2618 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2620 * reload.c (find_reloads): Fix test for usage by other reload
2621 to handle secondary reloads properly.
2623 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2625 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2626 intermediate structure which has exactly the members provided by
2627 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2628 static intermediate structure.
2630 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2631 from the intermediate structure. Do the same analogous fix in
2632 the case where ELIMINABLE_REGS is not defined.
2634 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2636 * pa.h (SELECT_SECTION): Fix thinko.
2638 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2640 * dwarf2out.c (output_call_frame_info): Comments on last change.
2642 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2644 * arm.c (add_constant): When taking the address of an item in the
2645 pool, get the mode of the item addressed.
2647 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2648 contain a SET or a PARALLEL, don't consider it for conditional
2651 Restore ABI compatibility for NetBSD.
2652 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2654 (RETURN_IN_MEMORY): Likewise.
2656 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2658 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2659 (m32r_output_block_move): Rewrite bytes < 4 handling.
2661 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2663 * configure.in: Call AC_FUNC_VFORK.
2665 * collect2.c: Define VFORK_STRING as a printable string for
2666 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2667 defined, include vfork.h. If VMS is defined, define vfork()
2668 appropriately. Remove vfork check on USG, we're using autoconf.
2669 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2670 checking locally what string to pass.
2671 (scan_prog_file): Likewise.
2672 (scan_libraries): Likewise.
2674 * gcc.c: Remove vfork check on USG, we're using autoconf.
2675 Besides, no calls to vfork/fork occur in this file.
2677 * protoize.c: Likewise.
2679 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2681 * configure.in (DEFAULT_LINKER): renamed from LD
2682 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2683 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2684 * configure: rebuilt
2686 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2688 * BUGS: fix the regexp for `more' to find the appropriate node.
2689 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2691 * BUGS: added link to the WWW FAQ
2693 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2695 * version.c: Bump for snapshot.
2697 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2699 * From Christian Gafton:
2700 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2701 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2702 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2704 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2706 * c-common.c (c_get_alias_set): Allow all type-punning through
2707 unions. Don't get confused about the type of a bit-field, despite
2708 the antics of build_modify_expr.
2710 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2712 * fixinc.sco: Paramaterize #include_next values.
2713 * fixinc/fixinc.sco: Likewise.
2715 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2717 * toplev.c (rest_of_compilation): No longer set reload_completed.
2718 * reload1.c (reload): Set it here. Perform instruction splitting
2719 after reload has completed if we will be running the scheduler
2722 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2724 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2725 EH region if exceptions are enabled and we're performing cross
2727 (find_cross_jump): Exit loop if the insns are in different EH regions.
2729 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2731 * dwarf2out.c (output_call_frame_info): Use
2732 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2734 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2736 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2737 * c-common.c (check_format_info): Don't check for the 'x'
2738 format character twice, instead check for 'x' and 'X'
2740 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2742 * configure.in (assembler features): Also make gas is configured if
2743 we find it in the souce tree.
2745 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2747 * i386.c (i386_comp_type_attributes): Compare whether the
2748 attributes are defined, not their tree nodes.
2750 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2752 * configure.in (gxx_include_dir): bitten by autoconf quoting
2754 * configure: rebuilt
2756 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2758 * configure.in: Ignore non-absolute value in $AS.
2760 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2762 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2764 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2766 * configure.in (msdosdjgpp): Set exeext and target_alias.
2768 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2770 * flow.c (XNMALLOC): New macro.
2771 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2773 (add_edge, add_edge_to_label): New static functions.
2774 (free_bb_memory): New function.
2775 (flow_delete_insn): Delete function.
2776 (basic_block_drops_in): Delete variable.
2777 (find_basic_blocks): Allocate and initialize basic_block_head,
2778 basic_block_succ. Don't allocate basic_block_drops_in.
2779 Call free_bb_memory at the beginning.
2780 (find_basic_blocks_1): Don't do multiple passes.
2781 Delete code to compute basic_block_drops_in.
2782 After calling make_edges, mark blocks reached by current block live.
2783 Update test for unreachable live blocks.
2784 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2786 Simplify to call add_edge_to_label when a LABEL_REF is found.
2787 (make_edges): Simplify to call add_edge_to_label instead of
2788 mark_label_ref most of the time.
2789 Compute here whether control drops into the next block.
2790 (delete_unreachable_blocks): Return void. All callers changed.
2791 Delete unreachable blocks in reverse order.
2792 After deleting all unreachable blocks, renumber the remaining ones
2793 and update n_basic_blocks.
2794 (delete_block): Speed up deletion a bit.
2795 Don't set basic_block_drops_in for deleted blocks.
2796 (free_basic_block_vars): Don't free basic_block_drops_in.
2797 (life_analysis_1): Update to use new edge representation.
2798 (dump_flow_info): Delete code to print basic block info; call
2799 dump_bb_data instead.
2800 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2801 and uid_block_number.
2802 Simply copy the previously computed cfg.
2803 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2804 Print register lifetime information if LIVE_INFO is nonzero.
2805 * basic-block.h (dump_bb_data): Adjust prototype.
2806 * gcse.c (gcse_main): Update call to dump_bb_data.
2807 * rtl.h (free_bb_memory): Declare.
2808 * toplev.c (rest_of_compilation): Call free_bb_memory.
2810 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2811 (update_eliminable_offsets): Don't compute it.
2812 (set_initial_elim_offsets): Don't initialize it.
2813 Break out some code into set_initial_label_offsets so the rest of
2814 this function can be called from reload_as_needed.
2815 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2816 ELIMINABLE_REGS isn't.
2817 (set_initial_label_offsets): New function, broken out of
2818 set_initial_elim_offsets.
2819 (set_offsets_for_label): New function, broken out of set_label_offsets
2820 and reload_as_needed.
2821 (reload): Call the two new functions.
2822 (reload_as_needed): Call set_initial_elim_offsets instead of
2823 duplicating the code. Likewise for set_offsets_for_label.
2825 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2826 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2827 any hard reg, reg_reloaded_dead contains valid data.
2829 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2831 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2832 "stdcall" and "cdecl" attributes.
2834 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2836 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2837 handle deleted no-op moves of hard registers.
2838 * haifa-sched.c (update_flow_info): Likewise.
2840 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2842 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2843 of the sequences to reload the HILO register which do not actually
2846 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2848 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2850 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2852 * except.c (emit_eh_context): Make the EH context register stay alive
2853 at -O0 so stupid.c doesn't get confused.
2855 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2857 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2859 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2860 Jeffrey A Law (law@cygnus.com)
2862 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2863 (zero_extendsidi2): Use # in output template and handle completely by
2865 (zero_extend splitters): New define_splits.
2866 (ashiftrt_32): New pattern.
2868 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2870 * tree.c (append_random_chars): New fn.
2871 (get_file_function_name_long): Use it.
2873 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2875 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2876 (LIBCPP_OBJS): New. Add cppulp.o.
2877 (cppmain, fix-header): Depend on and use libcpp.a.
2878 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2879 of the individual object files.
2880 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2883 * cccp.c (user_label_prefix): New.
2884 (main): Set it off -f*leading-underscore.
2885 (special_symbol): Use it.
2886 * cpplib.c (special_symbol): Likewise.
2887 (cpp_handle_option): Handle -f*leading-underscore.
2888 * cppulp.c: New file.
2890 * output.h (user_label_prefix): Declare it.
2891 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2892 * toplev.c (f_options, main): Handle -f*leading-underscore.
2894 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2895 referencing USER_LABEL_PREFIX directly.
2896 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2897 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2898 * final.c (asm_fprintf): Use user_label_prefix instead.
2899 * arm/thumb.c (thumb_print_operand): Likewise.
2901 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2902 cpp wherever appropriate.
2904 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2906 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2907 specific compiler switches.
2909 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2911 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2914 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2916 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2917 structure which has exactly the members provided by EXTRA_SPECS.
2918 Xmalloc() the real `extra_specs', and initialize it from this
2919 intermediate structure.
2921 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2923 * mips.h (EXTRA_SPECS): Likewise.
2925 * sparc.h (EXTRA_SPECS): Likewise.
2927 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2929 * function.c (purge_addressof_1): Instead of aborting when a
2930 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2931 work just put the ADDRESSOF on stack. Otherwise remember all such
2932 successfull replacements, so that exactly the same replacements
2933 can be made on the REG_NOTEs. Remove the special case for CALL
2935 (purge_addressof_replacements): New variable.
2936 (purge_addressof): Clear it at end.
2938 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2940 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2941 (lang_init): Call check_newline always.
2942 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2943 cpp_start_read, set yy_cur and yy_lim to read from
2944 parse_in.token_buffer, so that we'll see the first #line
2946 * cpplib.c (cpp_start_read): finclude the main input file
2947 before processing -include/-imacros. Process -imacros and
2948 -include separately, and handle -include by stacking a
2949 buffer for the file in question as if it'd been #included.
2950 * toplev.c (documented_lang_options) Recognize -H when
2953 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2955 * cpplib.c: Merge do_once into do_pragma. Break file handling
2956 code out of do_include.
2957 Move append_include_chain, deps_output,
2958 file_cleanup, redundant_include_p, import_hash,
2959 lookup_import, add_import, read_filename_string, read_name_map,
2960 open_include_file, finclude, safe_read to cppfiles.c.
2961 Move prototypes for deps_output, append_include_chain,
2962 finclude to cpplib.h. Move definition of struct
2963 file_name_list there also.
2965 * cppfiles.c: New file. Contains all the above functions
2966 broken out of cpplib.c; also hack_vms_include_specification
2967 from cccp.c and find_include_file, a new function broken out of
2970 * Makefile.in (cppmain): Depend on cppfiles.o.
2971 (fix-header): Likewise.
2972 (cppfiles.o): New target.
2973 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2974 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2976 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2978 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2979 if pending_types is non-zero.
2980 (dwarfout_finish): Verify pending_types is zero before finishing.
2982 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2984 * expr.c (convert_move): Use shifts to perform the move if a
2985 suitable extend pattern cannot be found. Code written by
2986 Richard Henderson <rth@cygnus.com>.
2988 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2990 * regclass.c (renumber, regno_allocated): New static variables, moved
2991 out of allocate_reg_info.
2992 (allocate_reg_info): Move these two variables outside the function.
2993 Move code to free memory into new function free_reg_info.
2994 (free_reg_info): New function, broken out of allocate_reg_info.
2995 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2996 * rtl.h (allocate_reg_info): Don't declare.
2997 (free_reg_info): Declare.
2999 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3001 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3003 * toplev.c (compile_file): Temporarily revert last change.
3005 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3007 * c-typeck.c (convert_for_assignment): Parenthesize.
3009 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3011 * reload1.c (delete_output_reload): Avoid ambigous else.
3013 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3015 * toplev.c (compile_file): Call allocate_reg_info to free register
3017 * rtl.h (allocate_reg_info): Declare.
3019 * PROJECTS: Remove entry for local spilling.
3021 * final.c (cleanup_subreg_operands): New function.
3022 (final_scan_insn): Use it.
3023 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3025 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3026 operands when reload has finished.
3027 * reload.h (cleanup_subreg_operands): Declare..
3028 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3029 reload. Handled in reload itself.
3031 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3033 * reload1.c (verify_initial_offsets): New function.
3034 (reload): Call it after reload_as_needed. Also verify that the frame
3035 size stays constant during reload_as_needed.
3036 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3038 * reload.h (struct insn_chain): Add need_operand_change element.
3039 * reload1.c (new_insn_chain): Clear it.
3040 (calculate_needs_all_insns): Set it; don't overload need_reload.
3041 (reload_as_needed): Use it.
3043 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3044 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3045 and reload_address_index_reg_class.
3046 (find_reloads_address_1): Likewise.
3047 * reload.h (reload_address_base_reg_class,
3048 reload_address_index_reg_class): Don't declare.
3049 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3050 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3051 (used_spill_regs): Now static.
3052 (reload_address_base_reg_class, reload_address_index_reg_class,
3053 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3054 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3055 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3058 (init_reload): Delete code to compute base/index reg classes.
3059 (reload): Delete variable J.
3060 Delete code to manage basic_block_needs.
3061 Don't compute regs_explicitly_used.
3062 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3063 pseudo_previous_regs.
3064 Initialize bad_spill_regs_global.
3065 Don't call order_regs_for_reload here.
3066 Don't initialize spill_reg_order and n_spills.
3067 Don't forbid explicitly used regs to be used for spill regs.
3068 Change main loop to infinite loop, with explicit break statements.
3069 Make SOMETHING_CHANGED variable local to that loop.
3070 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3071 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3072 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3074 Don't call dump_needs.
3075 Delete code to reset potential_reload_regs.
3076 Delete code to terminate loop conditional on the global needs variables
3077 showing no further needs.
3078 (calculate_needs_all_insns): Return void. All callers changed.
3079 Initialize somehing_needs_elimination here, not in reload.
3080 Delete avoid_return_reg kludge.
3081 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3082 All callers changed.
3083 Initialize the group_mode and group_size elements of the arg CHAIN.
3084 Delete code to manage basic_block_needs.
3085 Operate on elements of CHAIN instead of global variables.
3086 Delete avoid_return_reg kludge.
3087 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3088 All callers changed.
3089 Operate on elements of CHAIN instead of global variables.
3090 Delete special SMALL_REGISTER_CLASSES code.
3091 Delete spill_failure code; now in new_spill_reg.
3092 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3093 All callers changed.
3094 Operate on elements of CHAIN instead of global variables.
3095 (maybe_mark_pseudo_spilled): New static function.
3096 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3097 All callers changed.
3098 Operate on elements of CHAIN instead of global variables.
3099 Call order_regs_for_reload here, not in reload.
3100 Initialize spill_reg_order and n_spills.
3101 Simplify test whether an asm insn is involved.
3102 Delete spill_failure code; now in new_spill_reg.
3103 Call maybe_mark_pseudo_spilled for everything marked as live in
3104 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3106 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3107 compiler from optimizing this function (now unused) away.
3108 Operate on elements of CHAIN instead of global variables.
3109 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3111 Operate on elements of CHAIN instead of global variables.
3112 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3113 take CHAIN arg. All callers changed.
3114 Operate on elements of CHAIN instead of global variables.
3115 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3116 CHAIN, NONGROUP args. Return void. All callers changed.
3117 Verify caller isn't trying to spill a pseudo.
3118 Simplify test for illegal reg, just use bad_spill_regs.
3119 Generate better error messages.
3120 Operate on elements of CHAIN instead of global variables.
3121 Mark spilled register in CHAIN's used_spill_regs element.
3122 Don't call spill_hard_reg.
3123 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3124 Mark spilled hard regs in bad_spill_regs_global.
3125 Mark affected pseudos in spilled_pseudos, but don't spill them.
3126 (ior_hard_reg_set): New static function.
3127 (finish_spills): Return int. All callers changed.
3128 Compute spill_reg_order, n_spills and spill_regs here. Also update
3129 regs_ever_live for regs used as spills.
3130 For every pseudo in spilled_pseudos, spill it and mark the previous
3131 hard reg it had in pseudo_previous_regs. Compute which hard regs
3132 arseudo): New static function.
3133 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3134 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3135 hard registers explicitly used across the current insn into the set.
3136 Compute hard_reg_n_uses taking only pseudos live across this insn
3138 Tweak sorting of potential_reload_regs.
3139 (compare_spill_regs): Delete function.
3140 (reload_as_needed): Don't sort the spill_regs array, it's computed
3141 in proper order in finish_spills.
3142 Delete avoid_return_reg kludge.
3143 Delete code to manage basic_block_needs.
3144 (allocate_reload_reg): Minor speed/readability tweaks.
3145 Operate on elements of CHAIN instead of global variables.
3146 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3147 Delete avoid_return_reg kludge.
3148 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3149 Delete unused label FAIL.
3150 (reload_combine): Replce reload_address_index_reg_class with
3152 Don't use used_spill_regs to determine information about lifetime of
3155 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3157 * toplev.c (display_help): Ignore empty target specific
3158 options, and if -W is also specified on the command line then
3159 display undocumented options.
3161 * config/arm/arm.c: Updated with changes in devo sources.
3162 * config/arm/arm.h: Updated with changes in devo sources.
3163 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3164 * config/arm/lib1thumb.asm: Add ELF support.
3166 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3168 * collect2.c (aix64_flag): New variable.
3169 (main, case 'b'): Parse it.
3170 (GCC_CHECK_HDR): object magic number must match mode.
3171 (scan_prog_file): Only check for shared object if valid header.
3172 Print debugging if header/mode mismatch.
3174 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3176 Added support for arm-elf-linux configuration, submitted by Philip
3177 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3178 code developed by Catherine Moore <clm@cygnus.com>. The following
3181 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3184 * configure: Regenerated.
3186 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3187 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3188 definitions conditional on their not having been already defined.
3190 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3191 and .type directives, and add "(PLT)" qualification to function
3194 * config/arm/linux.h: Deleted. This file is now superceeded by
3195 either linux-elf.h or linux-aout.h.
3197 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3198 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3200 Move definitions from old linux.h file here.
3202 * config/arm/elf.h: New file. Generic ARM/ELF support.
3204 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3206 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3208 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3209 using the 26bit APCS.
3211 * config/arm/unknown-elf.h: New file. Support for OS'es other
3212 than Linux with ELF.
3214 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3217 * config/arm/coff.h: Include aout.h for basic assembler macros.
3218 Add support for -mstructure_size_boundary=<n> command line option.
3220 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3221 command line option. Make macro definitions conditional on their
3222 not having been already defined.
3224 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3225 command line option.
3228 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3230 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3231 has been changed to not include a newline. Use this macro instead.
3232 (output_enumeral_list, const_value_attribute, name_attribute,
3233 comp_dir_attribute, prototyped_attribute, producer_attribute,
3234 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3235 dwarfout_file_scope_decl, generate_new_sfname_entry,
3236 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3237 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3239 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3241 * combine.c (subst): Process the inputs to a parallel asm_operands
3244 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3246 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3248 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3250 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3252 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3254 * version.c: Bump for snapshot.
3256 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3258 * stmt.c (expand_fixup): Set fixup->before_jump to a
3259 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3261 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3263 * Makefile.in (recog.o): Depend on toplev.h.
3264 (insn-emit.o): Depend on recog.h.
3265 (insn-peep.o): Depend on recog.h and insn-config.h.
3267 * combine.c (simplify_set): Remove unused variable `scratches'.
3269 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3270 and `idx' in macro conditional controlling their use.
3272 * genemit.c (main): Make the generated output file include
3273 recog.h. Don't have it declare `insn_operand_constraint', since
3274 we get it from recog.h.
3276 * genpeep.c (main): Make the generated output file include
3277 insn-config.h and recog.h.
3279 * recog.c: Include toplev.h.
3280 (extract_insn): Remove unused variable `p'.
3282 * regclass.c (fix_register): Add missing braces around initializer
3284 (allocate_reg_info): Move variable `i' into the scope where it is
3285 used. Change its type to `size_t'.
3287 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3289 * reload.c (push_reload): When merging reloads, make sure
3290 that reload_in_reg and reload_in are from the same reload in
3293 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3295 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3296 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3298 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3300 * loop.c (loop_has_tablejump): New variable.
3301 (prescan_loop): Scan for it.
3302 (insert_bct): Replace explicit scan with use of it.
3303 * regclass.c (regclass): Restore loop variable j.
3304 (record_reg_classes): Deterine op_types modifiers and initialize
3305 classes[i] before matching constraints. Handle matching
3308 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3310 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3313 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3315 * mips.h (EXTRA_SPECS): Add missing initializers.
3317 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3319 * sparc.h (EXTRA_SPECS): Add missing initializers.
3320 (sparc_defer_case_vector): Provide a prototype.
3322 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3323 comparing it to the result of a pointer subtraction.
3325 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3327 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3328 the argument to (unsigned char).
3330 * alpha.h (EXTRA_SPECS): Add missing initializers.
3331 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3334 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3336 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3337 (propagate_block): Delete dead code after reload.
3339 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3340 back Oct 15, 1998 change.
3341 * haifa-sched.c (update_flow_info): Likewise.
3342 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3344 * mn10200.md (truncated shift): Accept constant inputs too.
3346 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3348 * machmode.h (mode_mask_array): No longer const.
3349 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3351 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3353 * frame.c: Somewhat explain `FDE'.
3354 Suggested by Brendan Kehoe
3356 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3358 * expr.c (pending_chain): Move up.
3359 (save_expr_status): Do save pending_chain.
3360 (restore_expr_status): And restore it.
3361 * function.h (struct function): Add pending_chain.
3363 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3365 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3366 did not match the code.
3368 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3370 * regclass.c (regclass): Break out some code into new function
3371 scan_one_insn, and into regclass_init.
3372 (init_cost): New static variable, moved out of regclass.
3373 (regclass_init): Initialize it here, not in .
3374 (scan_one_insn): New static function, broken out of regclass.
3375 * recog.c (apply_change_group): Break out some code into new
3376 function insn_invalid_p.
3377 (insn_invalid_p): New static fn, broken out of apply_change_group.
3379 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3381 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3382 reg_reloaded_contents matches incremented pseudo.
3384 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3386 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3388 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3389 addressing modes with side effects. These are currently
3390 placeholders for the C4x target.
3392 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3394 * loop.c (express_from): Make sure that when generating a PLUS of
3395 a PLUS, any constant expression appears on the outermost PLUS.
3397 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3399 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3400 works if "$(srcdir)" != ".".
3402 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3404 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3405 existing SUBREG if we can, otherwise abort.
3407 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3409 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3410 `restrict' is applied to a non-pointer variable.
3412 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3414 * invoke.texi: Document -flang-isoc9x.
3416 * Makefile.in (OBJS): Add splay-tree.o.
3417 (c-common.o): Depend on rtl.h.
3418 (splay-tree.o): List dependencies and provide build rule.
3420 * rtl.h (record_alias_subset): New function.
3421 * alias.c: Include splay-tree.h.
3422 (alias_set_entry): New type.
3423 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3424 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3425 (mems_in_disjoin_alias_sets_p): New function.
3426 (alias_set_compare): Likewise.
3427 (insert_subset_children): Likewise.
3428 (get_alias_set_entry): Likewise.
3430 * tree.h (TYPE_RESTRICT): New macro.
3431 (TYPE_UNQUALIFIED): New manifest constant.
3432 (TYPE_QUAL_CONST): Likewise
3433 (TYPE_QUAL_VOLATILE): Likewise.
3434 (TYPE_QUAL_RESTRICT): Likewise.
3435 (tree_type): Add restrict_flag. Reduce count of free bits.
3436 (DECL_POINTER_ALIAS_SET): New macro.
3437 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3438 (tree_decl): Add pointer_alias_set.
3439 (build_qualified_type): New function.
3440 (build_type_variant): Define in terms of build_qualified_type.
3441 * tree.c (set_type_quals): New function.
3442 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3443 (build_type_attribute_variant): Use build_qualified_type and
3445 (build_type_variant): Rename, and modify, to become...
3446 (build_qualified_type): New function.
3447 (build_complex_type): Use set_type_quals.
3449 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3450 (C_TYPE_FUNCTION_P): Likewise.
3451 (C_TYPE_INCOMPLETE_P): Likewise.
3452 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3453 (c_apply_type_quals_to_decl): New function.
3454 (c_build_qualified_type): New function.
3455 (c_build_type_variant): Define in terms of c_build_qualified_type.
3456 (flag_isoc9x): Declare.
3457 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3458 (common_type): Change to use TYPE_QUALS.
3459 (comptypes): Likewise.
3460 (convert_for_assignment): Likewise.
3461 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3462 * c-decl.c (flag_isoc9x): Define.
3463 (c_decode_option): Handle -flang-isoc9x.
3464 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3465 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3466 * c-lex.c (init_lex): Deal with restrict.
3467 (init_lex): Don't treat restrict as a reserved word in
3468 -traditional mode, or without -flang-isoc9x.
3469 * c-lex.h (rid): Add RID_RESTRICT.
3470 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3471 equivalent to RID_RESTRICT.
3472 * c-parse.in (TYPE_QUAL): Update comment.
3473 * c-common.c: Include rtl.h.
3474 (c_find_base_decl): New function.
3475 (c_build_type_variant): Rename, and modify, to become ...
3476 (c_build_qualified_type): New function.
3477 (c_apply_type_quals_to_decl): Likewise.
3478 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3479 a particular alias set for the reference.
3480 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3482 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3484 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3485 command line switches.
3487 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3489 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3492 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3494 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3496 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3498 * regclass.c (fix_register): Add error message.
3499 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3502 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3504 * c-decl.c (warn_missing_noreturn): New global variable.
3505 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3506 (finish_function): Implement missing noreturn warning.
3508 * c-tree.h (warn_missing_noreturn): Declare extern.
3510 * invoke.texi: Document new flags.
3512 * toplev.c (documented_lang_options): Add description.
3514 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3516 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3517 loop optimization stable for the C4x.
3518 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3519 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3520 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3522 (c4x_address_conflict): Be more paranoid when packing a volatile
3523 memref in a parallel load/store.
3525 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3527 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3528 repeat_block_filler): Deleted.
3529 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3530 Condition code not set if destination register from 'c' class.
3531 (*subbqi3_carry_clobber): Fix typo.
3533 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3535 * reorg.c (steal_delay_list_from_target) Check for insns that
3536 modify the condition codes and effect the direction of the jump
3539 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3541 * function.c (purge_addressof_1): Replace call to
3542 emit_insns_before() with emit_insn_before().
3544 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3546 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3548 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3550 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3552 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3554 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3555 clobbered across calls.
3557 * loop.c (scan_loop): Be more selective about what invariants are
3558 moved out of a loop.
3560 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3562 * version.c: Bump for snapshot.
3564 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3566 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3567 static eh_context structure.
3569 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3571 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3573 (try_combine): Don't update max_scratch.
3574 * flow.c (max_scratch, num_scratch): Delete variables.
3575 (life_analysis_1): Don't initialize max_scratch.
3576 (propagate_block): Don't update max_scratch.
3577 (mark_set_1): Don't increment num_scratch.
3578 * regs.h (max_scratch): Delete declaration.
3580 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3582 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3583 is nonzero. This is temporary!
3585 * sched.c (update_flow_info): Handle death notes made invalid by
3586 instruction splitting. Partially reverts Oct 15, 1998 patch.
3587 * haifa-sched.c (update_flow_info): Likewise.
3589 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3591 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3592 if it has a nonzero DECL_INITIAL.
3594 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3596 * Makefile.in (flow.o): Depend on recog.h.
3598 * cpplib.h (directive_table): Add missing initializiers.
3599 (finclude): Change type of variable `bsize' to size_t.
3601 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3603 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3605 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3606 `int' when comparing against one.
3607 (cpp_file_line_for_message): Mark parameter `pfile' with
3609 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3611 * flow.c: Include recog.h.
3612 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3614 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3615 `f' with ATTRIBUTE_UNUSED.
3616 (reposition_prologue_and_epilogue_notes): Likewise.
3618 * genopinit.c (gen_insn): Cast argument of ctype functions to
3621 * haifa-sched.c: Include recog.h.
3622 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3623 comparing against one.
3625 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3627 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3629 (parse_ent): Likewise.
3630 (parse_input): Likewise.
3632 * optabs.c (init_libfuncs): Likewise.
3634 * protoize.c (find_rightmost_formals_list): Likewise.
3636 * recog.h (const_double_operand): Fix typo in prototype.
3638 * tlink.c (scan_linker_output): Cast the argument of ctype
3639 function to `unsigned char'.
3641 * toplev.c (check_lang_option): Cast the result of `strlen' to
3642 `int' when comparing against one.
3644 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3646 * gcse.c (dump_cuid_table): Correct typo.
3648 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3650 * toplev.c (display_help): Prepend '-m' to target specific
3652 (check_lang_option): Ignore text after end of first word of a
3653 language specific option.
3655 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3657 * reload1.c (reg_used_by_pseudo): New static variable.
3658 (choose_reload_regs): Initialize it.
3659 Use it instead of testing spill_reg_order to determine whether a
3660 pseudo is live in a hard register across the current insn.
3661 Fix a typo in a reference to reload_reg_rtx.
3663 * flow.c (propagate_block): Replace code that computes and uses
3664 regs_sometimes_live with simpler code that just walks the set of
3665 currently live registers.
3667 * Makefile.in (insn-extract.o): Fix dependencies.
3668 * genextract.c (main): Generate includes for insn-config.h and
3670 Delete generation of declarations which are now in recog.h.
3671 * genrecog.c (main): Delete generation of definitions which are
3673 * local-alloc.c (block_alloc): Use extract_insn and the variables
3674 it sets up instead of looking up values by insn_code.
3675 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3676 recog_dup_num): Define here instead of generating the definition in
3678 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3679 recog_operand_mode, recog_constraints, recog_operand_address_p):
3681 (extract_insn): New function.
3682 * recog.h (extract_insn): Declare function.
3683 (which_alternative, recog_n_operands, recog_n_dups,
3684 recog_n_alternatives, recog_operand_mode, recog_constraints,
3685 recog_operand_address_p): Declare variables.
3686 * regclass.c (n_occurrences): New static function.
3687 * reload.c (n_occurrences): Delete function.
3688 (find_reloads): Use extract_insn.
3689 * reload.h (n_occurrences): Delete declaration.
3691 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3693 * reload1.c (reload_as_needed): Fix test for when to call
3694 update_eliminable_offsets.
3696 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3698 Fix consistency problems with reg_equiv_{mem,address};
3699 Improve reload inheritance;
3701 * reload.c (reload_out_reg): New variable.
3702 (loc_mentioned_in_p, remove_address_replacements): New functions.
3703 (remove_replacements): Deleted.
3704 (push_reload): Set reload_out_reg[i].
3705 When merging, also set reload_{in,out}_reg[i], and remove
3706 duplicate address reloads.
3707 (combine_reloads): Copy reload_out_reg[i].
3708 (find_reloads): Do make_memloc substitution also when
3709 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3711 Include *recog_operand_loc in commutativity operand changes.
3712 Generate optional output reloads.
3713 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3714 processing operands. Call make_memloc in reg_equiv_address code.
3715 Set *recog_operand_loc only after processing operands, and only
3716 if replace is true. Return a value.
3717 When changing address reload types for operands that didn't get
3718 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3719 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3720 Don't emit USEs for pseudo SUBREGs when not replacing.
3721 (find_reloads_address): Do make_memloc substitution also when
3722 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3724 (find_reloads_toplev): Likewise.
3725 Call make_memloc in reg_equiv_address code.
3726 (debug_reload_to_stream): Add code to output reload_out_reg.
3727 (make_memloc): Delete local variable i, ifdefed out code, and
3728 references to memlocs and n_memlocs.
3729 (memlocs, n_memlocs): Delete.
3730 (push_secondary_reload): Clear reload_out_reg.
3731 (find_reloads_address_1): Provide memrefloc argument to all calls
3732 to find_reloads_address.
3733 In AUTO_INC code, handle non-directly addressable equivalences properly.
3734 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3735 (find_reloads): Add return type.
3736 (remove_address_replacements, deallocate_reload_reg): Declare.
3737 * reload1.c (num_not_at_initial_offset): No longer static.
3738 (delete_address_reloads, delete_address_reloads_1): Likewise.
3739 (deallocate_reload_reg): New function.
3740 (spill_reg_stored_to): New array.
3741 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3742 (eliminate_regs_in_insn): Move assignments of previous_offset and
3743 max_offset fields, and recalculation of num_not_at_initial_offset
3744 into new static function:
3745 (update_eliminable_offsets) .
3746 (reload_as_needed): Call update_eliminable_offsetss after calling
3748 Call forget_old_reloads_1 with contents of reloaded auto_inc
3749 expressions if the actual addressing can't be changed to match the
3751 (choose_reload_regs): For inheritance, replace
3752 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3753 remove stand-alone reload_reg_used_at_all test.
3754 Use reload_out_reg to determine which reload regs have output reloads.
3755 Treat reload_override_in more similar to inherited reloads.
3756 Handle (subreg (reg... for inheritance.
3757 For flag_expensive_optimizations, add an extra pass to remove
3758 unnecessary reloads from known working inheritance.
3759 Delete obsolete code for pseudos replaced with MEMs.
3760 Handle inheritance from auto_inc expressions.
3761 (emit_reload_insns): If reload_in is a MEM, set OLD to
3763 Don't reload directly from oldequiv; if it's a pseudo with a
3764 stack slot, use reload_in[j].
3765 Check that reload_in_reg[j] is a MEM before replacing reload_in
3766 from reg_reloaded_contents.
3767 Include non-spill registers in reload inheritance processing.
3768 Also try to use reload_out_reg to set spill_reg_store /
3769 reg_last_reload_reg.
3770 In code to set new_spill_reg_store, use single_set to find out if
3771 there is a single set.
3772 Add code that allows to delete optional output reloads.
3773 Add code to allow deletion of output reloads that use no spill reg.
3774 At the end, set reload_override_in to oldequiv.
3775 Also call delete_output_reload if reload_out_reg is equal to old
3777 Add code to call delete_output_reload for stores with no matching load.
3778 Set / use spill_reg_stored_to.
3779 Handle case where secondary output reload uses a temporary, but
3780 actual store isn't found.
3781 When looking for a store of a value not loaded in order to call
3782 delete_output_reload, count_occurences should return 0 for no
3783 loads; but discount inherited input reloadill_reg_stored_to.
3784 Do checks for extra uses of REG. Changed all
3786 Use delete_address_reloads.
3787 (reload): Take return value of find_reloads into account.
3788 If a no-op set needs more than one reload, delete it.
3789 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3790 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3791 for the same operand.
3792 (clear_reload_reg_in_use): Check for other reloads that keep a
3794 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3795 RELOAD_FOR_OPADDR_ADDR.
3796 Take into account when an address address reload is only needed
3797 for the address reload we are considering.
3798 (count_occurrences): Use rtx_equal_p for MEMs.
3799 (inc_for_reload): Return instruction that stores into RELOADREG.
3800 New argument two, IN, and rtx. Changed all callers.
3801 (calculate_needs_all_insns, reload_as_needed):
3802 Don't clear after_call for a CLOBBER.
3803 Keep track of how many hard registers need to be copied from
3804 after_call, and don't clear after_call before we have seen
3805 that much copies, or we see a different instruction.
3807 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3809 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3810 after reload has completed.
3812 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3814 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3815 a macro name and the next token with a single blank if that whitespace
3816 is in a macro buffer and the next token is not '('.
3818 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3820 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3822 (skip_if_group): Ditto.
3823 (skip_to_end_of_comment): Ditto.
3825 (discard_comments): Ditto.
3826 (change_newlines): Ditto.
3828 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3830 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3832 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3834 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3835 (TARGET_OPTIONS): Add --help documentation.
3837 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3839 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3841 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3843 * fixinc/* Moved in from ../contrib directory in preparation
3844 for integrating it into the normal build process. In particular,
3845 fixinc/Makefile.in must be config-ed into the build directory
3846 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3847 ./configure.in will be "in the mail" momentarily.
3849 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3851 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3852 accidently walk into the free list. Comment how that can happen.
3853 (invalidate): Fix indentation.
3855 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3856 Jeffrey A Law (law@cygnus.com)
3858 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3859 reload. Never perform rescans of the insn chain after reload.
3860 (propagate_block): Do not delete insn or create new autoinc addressing
3863 * jump.c (jump_optimize): Unconditionally use the code that was
3864 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3865 * reload1.c (reload): When reloading is finished, delete all
3866 REG_DEAD and REG_UNUSED notes.
3867 (emit_reload_insns): Delete all code that was conditional on
3868 PRESERVE_DEATH_INFO_REGNO_P.
3869 (no_longer_dead_regs): Delete variable.
3870 (reload_cse_delete_death_notes): Delete function.
3871 (reload_cse_no_longer_dead): Delete function.
3872 (reload_cse_regs_1): Delete all code to handle deletion of death
3874 (reload_cse_noop_set_p): Likewise.
3875 (reload_cse_simplify_set): Likewise.
3876 (reload_cse_simplify_operands): Likewise.
3877 (reload_cse_move2add): Likewise.
3878 * reorg.c (used_spill_regs): Delete declaration.
3879 (max_label_num_after_reload): Delete declaration.
3880 (find_dead_or_set_registers): Don't assume that spill regs are
3881 dead at a CODE_LABEL.
3882 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3884 * sched.c (sched_analyze_insn): Likewise.
3885 (update_flow_info): Likewise.
3886 * haifa-sched.c (sched_analyze_insn): Likewise.
3887 (update_flow_info): Likewise.
3888 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3889 * toplev.c (max_label_num_after_reload): Delete variable.
3890 (rest_of_compilation): Don't set max_label_num_after_reload.
3891 Call life_analysis after reload_cse_regs if optimizing.
3892 * config/gmicro/gmicro.h: Delete comment referring to
3893 PRESERVE_DEATH_INFO_REGNO_P.
3894 * config/i386/i386.h: Likewise.
3895 * config/m88k/m88k.h: Likewise.
3896 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3897 * config/sh/sh.h: Likewise.
3899 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3901 * loop.c (strength_reduce): Restore marking bct_p as
3903 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3904 HAVE_decrement_and_branch_on_count.
3905 (small_data_operand): Remove TARGET_ELF condition for marking
3906 parameters ATTRIBUTE_UNUSED.
3908 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3910 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3911 (SELECT_SECTION): Resync with svr4.h.
3913 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3915 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3918 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3920 * c-pragma.c (handle_pragma_token): Test for null tree before
3921 dereferencing TREE_CODE.
3923 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3925 * config/c4x/c4x.c: Convert to use GEN_INT.
3926 (c4x_parallel_process): Rework to handle new repeat loop structure.
3928 * config/c4x/c4x.md: Convert to use GEN_INT.
3929 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3930 (decrement_and_branch_on_count): Likewise.
3932 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3933 loop.c has the desired functionality.
3934 (rc_reg_operand): New prototype.
3936 * config/c4x/t-c4x: Can now build all front ends.
3938 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3940 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3942 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3944 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3945 * config/t-rtems: Do not install assert.h -- use newlib's.
3947 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3949 * combine.c (combine_instructions): When finished, call init_recog.
3950 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3952 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3954 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3956 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3958 * cppalloc.c (memory_full): Mark function prototype with
3961 * demangle.h (collect_exit): Likewise.
3963 * fix-header.c (v_fatal, fatal): Likewise.
3965 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3968 * gcov.c (print_usage): Likewise.
3970 * genattr.c (fatal, fancy_abort): Likewise.
3972 * genattrtab.c (fatal, fancy_abort): Likewise.
3974 * gencodes.c (fatal, fancy_abort): Likewise.
3976 * genconfig.c (fatal, fancy_abort): Likewise.
3978 * genemit.c (fatal, fancy_abort): Likewise.
3980 * genextract.c (fatal, fancy_abort): Likewise.
3982 * genflags.c (fatal, fancy_abort): Likewise.
3984 * genopinit.c (fatal, fancy_abort): Likewise.
3986 * genoutput.c (fatal, fancy_abort): Likewise.
3988 * genpeep.c (fatal, fancy_abort): Likewise.
3990 * genrecog.c (fatal, fancy_abort): Likewise.
3992 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3993 __sjpopnthrow, __throw): Likewise.
3995 * objc/objc-act.c (objc_fatal): Likewise.
3997 * protoize.c (usage, aux_info_corrupted,
3998 declare_source_confusing): Likewise.
4000 * rtl.c (dump_and_abort): Likewise.
4002 * rtl.h (sets_cc0_p): Likewise.
4004 * toplev.c (float_signal, pipe_closed): Likewise.
4006 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4008 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4009 when generating the decision tree for the general case.
4011 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4012 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4014 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4016 * Makefile.in (sched.o): Depend on recog.h.
4018 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4019 (unsigned) when comparing against one.
4020 (find_base_value): Likewise.
4021 (record_base_value): Cast variable `regno' to (unsigned) when
4022 comparing against one. Cast the result of REGNO() macro to
4023 (unsigned) when comparing against one.
4024 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4026 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4027 variable where an unsigned index is needed.
4029 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4030 before comparing against one.
4032 * collect2.c: Add prototypes for functions `error', `fatal' and
4033 `fatal_perror'. Make these functions take variable arguments
4034 instead of faking it with a fixed number of args.
4035 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4038 * combine.c (can_combine_p): Mark parameter `pred' with
4040 (find_split_point): Cast variable `src' to (unsigned
4041 HOST_WIDE_INT) when comparing against one.
4042 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4043 (simplify_logical): Likewise.
4044 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4045 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4046 HOST_WIDE_INT) in shift.
4047 (simplify_and_const_int): Cast result of INTVAL() macro to
4048 `unsigned HOST_WIDE_INT' when comparing against one.
4049 (merge_outer_ops): Cast variable const0 to `unsigned
4050 HOST_WIDE_INT' when comparing against the result of
4051 GET_MODE_MASK() macro.
4052 (simplify_comparison): Likewise for variable `c0'. Cast variable
4053 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4054 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4055 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4056 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4057 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4058 comparing against one.
4059 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4061 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4062 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4063 (output_block_move): Cast `sizeof' expression to (int) when
4064 comparing against one.
4065 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4067 (save_restore_insns): Cast `base_offset' to `long' to match format
4068 specifier in fprintf.
4070 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4071 to `enum machine_mode'.
4073 * flow.c (life_analysis_1): Remove unused variable `insn'.
4075 * gcc.c (translate_options): Move variables `j' and `k' into the
4076 scope in which they are used. Change their types to `size_t'.
4077 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4078 (read_specs): Likewise.
4079 (process_command): Cast `sizeof' to (int) when comparing against one.
4080 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4081 (handle_braces): Cast both sides of `==' expression to `long' to
4082 ensure sign matching.
4083 (main): Cast variable `i' to `int' when comparing against one.
4085 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4086 int to size_t. Cast variable `i' to size_t when comparing against
4089 * genattrtab.c (convert_set_attr_alternative): Remove unused
4090 parameter `insn_code'. All callers changed.
4091 (convert_set_attr): Likewise.
4093 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4094 size_t when comparing against one. Likewise for variable `len'.
4096 * global.c (global_alloc): Cast variable `max_regno' to size_t
4097 when comparing against one. Likewise for variable `max_allocno'.
4099 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4101 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4102 `set' with ATTRIBUTE_UNUSED.
4103 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4106 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4107 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4108 (get_condition): Cast variable `const_val' to `unsigned
4109 HOST_WIDE_INT' when comparing against one. Cast unsigned
4110 expression to HOST_WIDE_INT when comparing against one.
4111 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4112 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4113 `unsigned' when comparing against one.
4115 * protoize.c (is_id_char): Change type of parameter `ch' to
4117 (munge_compile_params): Cast argument of ctype macro to (const
4119 (process_aux_info_file): Cast variable `aux_info_size' to int when
4120 comparing against one.
4121 (forward_to_next_token_char): Cast argument of ctype macro to
4122 `const unsigned char'.
4123 (edit_formals_lists): Likewise.
4124 (find_rightmost_formals_list): Likewise.
4125 (add_local_decl): Likewise.
4126 (add_global_decls): Likewise.
4127 (edit_fn_definition): Likewise.
4128 (do_cleaning): Likewise.
4129 (scan_for_missed_items): Likewise.
4130 (edit_file): Cast variable `orig_size' to (int) when comparing
4132 (main): Cast argument of ctype macro to `const unsigned char'.
4134 * recog.c (const_int_operand): Mark parameter `mode' with
4137 * regclass.c (record_reg_classes): Change type of variable `c' to
4138 `unsigned char'. Cast `char' array index to `unsigned char'.
4140 * reload.c (push_secondary_reload): Cast argument to
4141 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4143 * reload1.c (calculate_needs): Cast `char' array index to
4145 (set_label_offsets): Change type of variable `i' to unsigned int.
4146 Cast result of XVECLEN() macro to unsigned when comparing against
4148 (mark_not_eliminable): Change type of variable `i' to unsigned.
4149 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4150 when comparing against one.
4151 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4152 comparing against one.
4153 (choose_reload_regs): Hide unused label `fail'.
4154 (reload_cse_simplify_operands): Cast `char' array index to
4156 (reload_combine_note_store): Mark parameter `set' with
4157 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4159 (reload_cse_move2add): Remove unused variable `src2'.
4161 * sched.c: Include recog.h.
4162 (sched_note_set): Remove unused parameter `b'. All callers
4164 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4165 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4166 when comparing against one.
4168 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4169 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4170 comparing against one.
4172 * unroll.c (precondition_loop_p): Remove unused parameter
4173 `loop_end'. All callers changed.
4175 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4177 * reload1.c (maybe_fix_stack_asms): New static function.
4180 * reload.h (compute_use_by_pseudos): Declare.
4182 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4183 (something_needs_reloads): Delete variable.
4184 (finish_spills): New function.
4185 (compute_use_by_pseudos): New function.
4187 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4188 Use the reload_insn_chain instead of walking the rtl directly.
4190 (reload): Allocate and free spilled_pseudos.
4191 Ensure that all calls of spill_hard_reg are followed by a call to
4193 Use the insns_need_reload list instead of something_needs_reloads
4194 to find out if reload_as_needed must be called.
4195 Clear unused_insn_chains at the end.
4197 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4199 Delete code to keep track of current basic block.
4200 Walk reload_insn_chain instead of the rtl structure. Build the
4201 insns_need_reload chain.
4202 Remember which insns need reloading/elimination by setting the
4203 appropriate fields in struct insn_chain, not by putting modes on the
4206 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4207 arg INSN. All callers changed.
4208 Delete declaration of struct needs.
4209 Don't set something_needs_reloads.
4210 Record insn needs in the CHAIN argument.
4212 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4214 (reload_as_needed): Lose FIRST arg. All callers changed.
4215 Walk the reload_insn_chain instead of the rtx structure.
4216 Delete code to keep track of current basic block.
4217 Rename one of the NEXT variables to OLD_NEXT.
4219 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4221 (choose_reload_regs): Likewise.
4223 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4226 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4227 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4228 (hard_regs_live, hard_regs_need_restore): Delete variables.
4229 (n_regs_saved): Now static.
4230 (referenced_regs, this_insn_sets): New variables.
4232 (setup_save_areas): Restructure the code a bit.
4234 (restore_referenced_regs): Delete function.
4235 (mark_referenced_regs): New function, similar to the old
4236 restore_referenced_regs, but mark registers in referenced_regs.
4238 (clear_reg_live): Delete function.
4239 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4240 Only mark registers in this_insn_sets.
4242 (save_call_clobbered_regs): Rework this function to walk the
4243 reload_insn_chain instead of using the list of instructions directly.
4244 Delete code to keep track of register lives, compute live regs on the
4245 fly from information in the chain.
4246 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4247 then walk the set it computes and call insert_restore as appropriate.
4249 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4251 Restructure the code a bit. Test hard_regs_saved instead of
4252 hard_regs_need_restore.
4253 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4254 args. All callers changed.
4255 Restructure the code a bit. Use TO_SAVE to determine which regs to
4256 save instead of more complicated test.
4257 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4259 Create a new insn_chain structure for the new insn and place it
4262 * rtl.texi: Update documentation to reflect that reload no longer
4263 puts modes on the insns.
4265 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4267 * function.c (purge_addressof_1): Force the first argument of a
4268 CALL insn to memory.
4270 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4272 * rtl.h: Delete duplicate prototypes. Add some missing
4274 * rtlanal.c: (for_each_rtx): Formatting tweak.
4276 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4278 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4279 to be compatible with TI compiler.
4281 * Makefile.in (USER_H): Add va-c4x.h to definition.
4283 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4285 * function.c (purge_addressof_1): Fix typo in inequality: do
4286 bitfield optimization for equal mode sizes.
4287 * expmed.c (store_bit_field): Don't take subregs of subregs in
4288 the movstrict case. Tidy a potential problem in the multi-word case.
4289 (extract_bit_field): Likewise.
4291 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4293 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4295 Compute max_uid_for_flow by calling get_max_uid after the scan.
4296 (find_basic_blocks_1): Don't emit NOPs here.
4298 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4300 * alias.c (base_alias_check): Accept new args for the modes of the
4301 two references. Use them to determine if an AND can overlap. Update
4303 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4304 to determine if an AND can overlap.
4306 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4308 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4309 check. Add comment to document problems with TARGET_SUN_FPA version
4311 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4313 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4315 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4317 * c-common.c (print_char_table): Add missing initializers.
4318 (scan_char_table): Likewise.
4319 (time_char_table): Likewise.
4321 * c-decl.c (c_decode_option): Mark parameter `argc' with
4323 (declare_parm_level): Mark parameter `definition_flag' with
4326 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4327 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4330 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4332 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4334 (expand_call): Cast result of MIN() to (unsigned int) when
4335 comparing against an unsigned value.
4337 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4339 (make_definition): Remove unused parameter `op'. All callers
4341 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4342 comparing against the result of pointer arithmetic.
4344 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4345 when comparing against one.
4347 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4348 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4350 (output_die): Move variable `i' into the scope in which it is
4351 used. Change its type to `unsigned'.
4352 (output_die): Cast the result of `strlen' to (int) when passing it
4353 to ASM_OUTPUT_ASCII().
4354 (output_pubnames): Likewise.
4355 (output_line_info): Likewise.
4357 * emit-rtl.c (global_rtl): Add missing initializers.
4359 * explow.c (promote_mode): Mark parameter `for_call' with
4362 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4363 `unsigned HOST_WIDE_INT' when comparing against one.
4364 (synth_mult): Change type of variable `cost' to int.
4365 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4367 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4368 when comparing against one.
4369 (get_inner_reference): Change variable `alignment' to unsigned.
4370 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4371 int) when comparing against one.
4372 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4374 * fold-const.c (div_and_round_double): Cast BASE to
4375 (HOST_WIDE_INT) when comparing against one.
4377 * gencheck.c: Include gansidecl.h.
4378 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4380 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4381 `tcode' with ATTRIBUTE_UNUSED.
4383 * real.c (edivm): Cast constant value to (unsigned long) in
4384 expression compared against an unsigned value.
4386 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4387 comparing against one.
4388 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4389 when comparing against one.
4391 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4392 (unsigned int) when comparing against one. Likewise for
4394 (smallest_mode_for_size): Likewise.
4395 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4396 (restore_storage_status): Likewise.
4398 * toplev.c (debug_args): Add missing initializer.
4399 (f_options): Spelling correction. Add missing initializers.
4400 (documented_lang_options): Likewise.
4401 (debug_end_source_file): Mark parameter `lineno' with
4404 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4405 `decl' and `type' with ATTRIBUTE_UNUSED.
4407 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4408 when comparing against one.
4409 (assemble_variable): Mark parameter `top_level' with
4411 (assemble_external_libcall): Mark parameter `fun' with
4413 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4416 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4418 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4419 Replace use of r5 with use of r19.
4421 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4423 * config/v850/v850.c (compute_register_save_size): Allow for the
4424 fact that helper functions save all registers, not just those used
4427 Replace constant 31 with macro LINK_POINTER_REGNUM.
4429 * config/v850/v850.md: Use 'indirect_operand' rather than
4430 'memory_operand' for bit test/set/clear patterns.
4432 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4434 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4435 * varasm.c (assemble_start_function et al): Don't call
4436 ASM_GLOBALIZE_LABEL for weak symbols.
4438 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4440 * cse.c (equiv_constant): Check for NULL return from
4441 gen_lowpart_if_possible().
4443 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4445 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4447 * collect2.c (main): Pass -EL/-EB through to the compiler.
4449 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4451 * expr.c (push_block): Handle targets where the stack grows
4452 to higher addresses, but args grow to lower addresses and
4453 ACCUMULATE_OUTGOING_ARGS is not defined.
4455 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4457 * config/v850/v850.c (print_operand): Extend meaning
4458 of 'c' operands to support .vtinherit.
4460 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4462 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4463 Added ATTRIBUTE_UNUSED to unused function arguments.
4464 (rc_reg_operand): New predicate.
4465 (c4x_rptb_insert): New function.
4466 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4467 (c4x_optimization_options): New function.
4469 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4470 (decrement_and_branch_on_count): New pattern.
4471 (rptb_top): Modified pattern to work with BCT optimization.
4473 * config/c4x/c4x.h (RC_REG): New register class.
4474 (rc_reg_operand): Define prototype.
4475 (IS_RC_REG): New macro.
4476 (IS_RC_OR_PSEUDO_REG): New macro.
4477 (IS_RC_OR_PSEUDO_REGNO): New macro.
4478 (OPTIMIZATION_OPTIONS): Define.
4480 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4482 * collect2.c (extract_init_priority): No priority is 65535.
4484 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4486 * Makefile.in (build_tooldir): new variable, same as old
4487 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4488 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4489 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4491 * configure.in (gxx_include_dir): set default based on unlibsubdir
4492 * Makefile.in (tooldir): ditto
4493 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4494 gxx_include_dir, includedir and tooldir
4495 (protoize.o, unprotoize.o): ditto
4497 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4499 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4501 * config/arm/thumb.c (thumb_override_options): Add warning about
4502 PIC code not being supported just yet.
4504 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4506 * flow.c: Update comment.
4507 (notice_stack_pointer_modification): New static function.
4508 (record_volatile_insns): Use it.
4509 (mark_regs_live_at_end): Mark the stack pointer as alive
4510 at the end of the function if current_function_sp_is_unchanging
4512 (life_analysis_1): Set current_function_sp_is_unchanging.
4513 * function.c: Define it.
4514 (init_function_start): Initialize it.
4515 * output.h: Declare it.
4516 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4517 the stack pointer as alive at the end of the function if
4518 current_function_sp_is_unchanging is set.
4519 * i386.c (ix86_epilogue): Optimize the restoring
4520 of the stack pointer.
4522 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4524 * version.c: Bump for snapshot.
4526 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4528 * c-pragma.c (handle_pragma_token): If passed a token instead
4529 of a tree, use that as the pack value.
4531 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4533 * flow.c (find_basic_blocks_1): Fix prototype.
4535 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4537 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4538 (struct tree_decl): New fields no_check_memory_usage.
4539 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4540 (init_attributes): Register it as a new attribute.
4541 (decl_attributes): Set flags on functions given that attribute.
4542 * c-decl.c (duplicate_decls): Merge new attribute.
4543 * expr.h (current_function_check_memory_usage): Declare new var.
4544 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4545 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4546 current_function_check_memory_usage.
4547 * function.h: Add field to struct function.
4548 * function.c (current_function_check_memory_usage): Define it.
4549 (push_function_context_to, pop_function_context_from): Save and
4551 (expand_function_start): Set it, based on global flag and function
4554 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4555 check non-automatic variables, to permit detection of writes to
4556 read-only locations in embedded systems without memory management.
4557 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4558 when emitting chkr_set_right_libfunc call, even if the argument is
4559 BLKmode or variable-sized; don't abort.
4561 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4562 symbols in Pmode, not VOIDmode.
4564 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4566 * cppexp.c: When forcing unsigned comparisons, cast both sides
4569 * cpphash.h: Move static declaration of hashtab[]...
4570 * cpphash.c: ...here.
4572 * cpplib.c: Cast difference of two pointers to size_t before
4573 comparing it to size_t. Cast signed to unsigned
4574 before comparing to size_t. (FIXME: struct argdata should use
4575 unsigned buffer sizes.)
4576 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4577 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4578 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4579 size_t before comparison.
4581 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4583 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4584 (find_basic_blocks_1): Similarly.
4585 * output.h (find_basic_blocks): Fix prototype.
4586 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4587 find_basic_blocks anymore.
4589 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4591 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4592 (sbitmap_free, sbitmap_vector_free): New macros.
4593 * output.h (rtl_dump_file): Declare.
4595 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4597 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4599 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4601 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4603 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4604 (divide): Remove unused variable `tmp'.
4605 (si_to_float): Cast numeric constant to (SItype) before comparing
4608 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4610 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4611 * gcc.c (add_preprocessor_option): Correct typo when allocating
4612 memory, sizeof() argument had one too many `*'.
4613 (add_assembler_option): Likewise.
4614 (add_linker_option): Likewise.
4615 * gcov.c (output_data): Likewise.
4616 * local-alloc.c (memref_used_between_p): Likewise.
4617 (update_equiv_regs): Likewise.
4618 * loop.c (strength_reduce): Likewise.
4619 * reg-stack.c (record_asm_reg_life): Likewise.
4620 (subst_asm_stack_reg): Likewise.
4621 * reorg.c (dbr_schedule): Likewise.
4623 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4625 * flow.c (life_analysis_1): Break out some functions.
4626 (find_basic_blocks_1): Likewise. Also move some variables out and
4628 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4629 new static var nonlocal_label_list with it.
4630 (active_eh_region, nested_eh_region, label_value_list,
4631 nonlocal_label_list): New static variables.
4632 (make_edges, delete_unreachable_blocks, delete_block): New static
4633 functions, broken out of find_basic_blocks_1.
4634 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4635 noop_move_p): New static functions, broken out of life_analysis_1.
4637 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4639 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4640 Take extra care for op0 now possibly being a subreg.
4641 (extract_bit_field): Likewise.
4642 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4643 the reg to memory if there is no equal sized integral mode.
4644 * stor-layout.c (int_mode_for_mode): New function.
4645 * machmode.h: Prototype it.
4647 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4649 * global.c (build_insn_chain): Verify no real insns exist past the
4650 end of the last basic block, then exit the loop.
4652 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4654 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4656 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4658 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4660 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4662 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4664 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4666 * flow.c (find_basic_blocks): Correctly determine when a call
4667 is within an exception region.
4669 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4671 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4673 * cpplib.h: Protect from multiple inclusions.
4674 * cpplib.c: Fix minor formatting problems.
4676 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4678 * jump.c (jump_optimize): Revert accidental patch.
4680 * Makefile.in (cpplib.o): Use unlibsubdir.
4682 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4684 * loop.c (get_condition): Allow combine when either compare is
4687 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4689 * version.c: Bump for snapshot.
4691 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4693 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4694 (init_lex): Initialize ridpointers[RID_BYREF].
4695 * c-lex.h (enum rid): Add RID_BYREF.
4696 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4697 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4698 (encode_type_qualifiers): Similarly
4699 * c-gperf.h: Rebuilt.
4701 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4703 * c-common.c (type_for_mode): Only return TItype nodes when
4704 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4705 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4706 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4707 (init_decl_processing): Only create TItype nodes when
4708 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4709 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4710 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4712 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4714 * stmt.c (n_occurrences): New static function.
4715 (expand_asm_operands): Verify that all constrains match in the
4716 number of alternatives.
4717 Verify that '+' or '=' are at the beginning of an output constraint.
4718 Don't allow '&' for input operands.
4719 Verify that '%' isn't written for the last operand.
4720 * reload.c (find_reloads): Abort if an asm is found with invalid
4721 constraints; all possible problems ought to be checked for earlier.
4723 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4725 * flags.h (flag_branch_on_count_reg): Always declare
4726 * toplev.c (flag_branch_on_count_reg): Likewise.
4727 * toplev.c: Fix typos.
4729 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4732 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4734 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4736 (find_basic_blocks_1): Add a nop to the end of a basic block when
4737 a trailing call insn does not have abnormal control flow.
4738 * gcse.c (pre_transpout): New variable.
4739 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4740 (compute_pre_transpout): Calculate it.
4741 (compute_pre_ppinout): Use it to eliminate impossible placements
4742 due to abnormal control flow through calls.
4743 (compute_pre_data): Call compute_pre_transpout.
4745 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4747 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4749 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4751 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4752 and matching define_insns): Tack on a `use' of the table label, so
4753 flow analysis will recognize a tablejump.
4755 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4757 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4758 always end basic blocks for abnormal edge reasons.
4760 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4762 * config/i386/i386.h: Remove definition of
4763 HANDLE_PRAGMA_PACK_PUSH_POP.
4765 * config/i386/go32.h: Add definition of
4766 HANDLE_PRAGMA_PACK_PUSH_POP.
4768 * config/i386/win32.h: Add definition of
4769 HANDLE_PRAGMA_PACK_PUSH_POP.
4771 * config/i386/cygwin32.h: Add definition of
4772 HANDLE_PRAGMA_PACK_PUSH_POP.
4774 * c-pragma.c (insert_pack_attributes): Do not insert
4775 attributes unless #pragma pack(push,<n>) is in effect.
4777 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4779 * expr.c (emit_group_store): Handle a PARALLEL destination.
4781 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4783 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4784 the new insns before the argument regs are loaded.
4786 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4788 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4789 (c-parse.gperf): Update comments describing invocation flags.
4790 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4792 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4794 * reload1.c (reload): Call free before clobbering the memory
4795 locations or constants pointers.
4797 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4799 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4800 for efficiency by checking whether we need to modify the current
4801 stack permission at all.
4802 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4803 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4804 __enable_execute_stack libcall here too if
4805 TRANSFER_FROM_TRAMPOLINE is defined.
4806 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4809 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4811 * Makefile.in (DRIVER_DEFINES): Remove last change.
4813 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4815 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4816 insns we're going to copy.
4817 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4819 * loop.c (count_one_set): Add prototype.
4821 * caller-save.c (restore_referenced_regs): Lose mode argument.
4822 (insert_save): Lose mode argument.
4823 (insert_restore): Lose mode argument.
4824 (insert_one_insn): Lose mode argument.
4825 (save_call_clobbered_regs): Lose mode argument.
4826 (setup_save_areas): Take no argument and return void. All callers
4828 Don't verify validity of memory addresses.
4829 * reload.h (setup_save_ares): Adjust prototype.
4830 (save_call_clobbered_regs): Likewise.
4831 * reload1.c (delete_caller_save_insns): New function.
4832 (caller_save_spill_class): Delete variable.
4833 (caller_save_group_size): Delete variable.
4834 (reload): Call setup_save_areas and save_call_clobbered_regs
4835 in the main loop, before calling calculate_needs_all_insns.
4836 Don't call save_call_clobbered_regs after the loop.
4837 Call delete_caller_save_insns at the end of an iteration if
4839 Delete code to manage caller_save_spill_class.
4840 Emit the final note before setting reload_first_uid.
4841 Simplify test that determines whether reload_as_needed gets run.
4842 (calculate_needs): Delete code to manage caller_save_spill_class.
4844 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4846 * collect2.c (main): Initialize ld_file_name.
4848 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4850 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4851 check for flag_function_sections.
4853 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4855 * cse.c (insert_regs): Fix bug in Sep 24 change.
4857 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4859 * flags.h (flag_dump_unnumbered): Declare.
4860 * toplev.c (flag_dump_unnumbered): Don't declare.
4861 * print-rtl.c (flags.h): Include.
4862 (print_rtl_single): Add return value.
4863 * rtl.h (print_rtl_single): Update declaration.
4864 * flow.c (flag_dump_unnumbered): Don't declare.
4865 (print_rtl_with_bb): Use return value of print_rtl_single.
4867 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4869 * loop.c (count_one_set): New static function, broken out of
4871 (count_loop_regs_set): Call it.
4872 * global.c (mark_reg_store): Handle clobbers here by not calling
4874 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4875 is in fact a clobber.
4876 * integrate.c (process_reg_param): New function, broken out of
4877 expand_inline_function.
4878 (expand_inline_function): Call it.
4881 * i386.md (addsidi3_1): Delete unused variable temp.
4882 (addsidi3_2): Likewise.
4883 (clstrstrsi): Delete unused variable addr1.
4885 * rtl.h: Don't declare any functions also declared in recog.h.
4887 * Makefile.in (stupid.o): Update dependencies.
4888 (global.o): Likewise.
4890 * global.c: Include reload.h
4891 (reg_becomes_live): New function.
4892 (reg_dies): New function.
4893 (build_insn_chain): New function.
4894 (global_alloc): Call build_insn_chain before calling reload.
4896 * reload.h (struct needs): New structure definition.
4897 (struct insn_chain): Likewise.
4898 (reload_insn_chain): Declare variable.
4899 (new_insn_chain): Declare function.
4902 * reload1.c (reload_startobj): New variable.
4903 (reload_insn_chain): New variable.
4904 (unused_insn_chains): New variable.
4905 (new_insn_chain): New function.
4906 (init_reload): Initialize reload_startobj, not reload_firstobj.
4907 (reload): Initialize reload_firstobj.
4908 Before returning, free everything on the reload_obstack.
4910 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4911 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4912 current_chain): New variables.
4913 (reg_where_born): Delete variable.
4914 (REG_WHERE_BORN): New macro.
4915 (find_clobbered_regs): New function.
4916 (stupid_life_analysis): Don't allocate/free reg_where_born.
4917 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4918 reg_where_dead_chain.
4919 Use REG_WHERE_BORN instead of reg_where_born.
4920 While processing the insns, build the reload_insn_chain with
4921 information about register lifetimes.
4922 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4923 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4925 Compute and information about birth and death of pseudo registers in
4926 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4927 Delete code to set elements of reg_where_born.
4929 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4931 * tree.def (GOTO_EXPR): Modified documentation.
4932 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4935 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4937 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4938 loop_final_value, loop_comparison_code): No longer static.
4939 (unroll_loop): Delete loop_start_value update.
4940 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4941 loop_final_value, loop_comparison_code): Extern.
4942 (loop_start_value): Delete extern.
4943 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4944 loop_comparison_value, loop_comparison_code): Delete.
4945 (loop_optimize): Remove initialization for deleted variables.
4946 (strength_reduce): Delete analyze_loop_iterations call. Only call
4947 insert_bct if flag_branch_count_on_reg set.
4948 (analyze_loop_iterations): Delete.
4949 (insert_bct): Remove iteration count calculation. Move checks for
4950 viable BCT optimization to here. Obtain iteration count from
4951 loop_iterations and correct for unrolling. Check for enough
4952 iteration to be beneficial. Comment out runtime iteration count
4954 (insert_bct): Print iteration count in dump file. Remove
4955 loop_var_mode and use word_mode directly.
4957 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4958 * rs6000.c (rs6000_override_options): Use it.
4959 (optimization_options): Enable use of flag_branch_on_count_reg.
4960 * rs6000.md (define_function_unit): Describe 604e.
4962 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4964 * loop.c (move_movables): Corrected threshold calculation for
4965 moved_once registers.
4967 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4969 * loop.c (combine_givs_p): Fix test for identical givs.
4971 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4973 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4974 call abort if the function is already defined.
4976 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4978 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4979 truncation is not a no-op.
4981 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4983 * version.c: Bump for snapshot.
4985 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4987 * version.c: Bump for snapshot.
4989 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4991 * expmed.c (expand_divmod): Don't widen for computing remainder
4992 if we seem to have a divmod pattern for needed mode.
4994 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4996 * cpplib.c (macroexpand): Correct off-by-one error in handling
4999 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5001 * combine.c (expand_field_assignment): Don't do bitwise operations
5002 on MODE_FLOAT; pun to MODE_INT if possible.
5004 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5005 scott snyder <snyder@d0sgif.fnal.gov>
5007 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5008 linker. Recognize mangled names in quotes.
5010 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5012 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5013 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5014 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5015 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5017 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5019 * function.c (purge_addressof_1): If trying to take a sub-word
5020 integral piece of a floating point mode, put it on the stack.
5022 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5024 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5026 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5028 * PROJECTS: Remove template friends.
5030 * collect2.c (sort_ids): Remove unused variable.
5032 * tm.texi (MATH_LIBRARY): Document.
5033 (NEED_MATH_LIBRARY): Remove.
5035 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5036 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5038 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5040 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5041 last_end to 0x7fffffff.
5043 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5045 * function.c (purge_addressof_1): Do not perform endianness
5046 corrections on bitpos, who we call will do it for us.
5048 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5050 * h8300.c (WORD_REG_USED): Fix typo.
5051 (initial_offset): Use WORD_REG_USED.
5053 * h8300.c (handle_pragma): Fix typo.
5055 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5057 * caller-save.c (insert_save_restore): Break this function up
5058 into new functions insert_restore, insert_save and insert_one_insn.
5059 All callers changed.
5060 (insert_restore): New function, mostly broken out of
5061 insert_save_restore.
5062 (insert_save): Likewise.
5063 (insert_one_insn): Likewise.
5064 (restore_referenced_regs): New argument BLOCK. All callers changed.
5065 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5066 in this function, do it in insert_one_insn instead.
5068 * reload1.c (reload): Break out some more pieces into separate
5070 (dump_needs): New function, broken out of reload.
5071 (set_initial_elim_offsets): Likewise.
5072 (init_elim_table): Likewise.
5073 (update_eliminables): Likewise.
5075 * global.c (global_alloc): Delete code to manage the scratch_list.
5076 * local-alloc.c (qty_scratch_rtx): Delete.
5077 (scratch_block): Delete.
5078 (scratch_list): Delete.
5079 (scratch_list_length): Delete.
5080 (scratch_index): Delete.
5081 (alloc_qty_for_scratch): Delete.
5082 (local-alloc): Update initialization of max_qty.
5083 Delete code to manage the scratch list.
5084 Delete code to allocate/initialize qty_scratch_rtx.
5085 (block_alloc): Don't allocate quantities for scratches.
5086 Delete code to manage the scratch list.
5087 * regs.h (scratch_list): Delete declaration.
5088 (scratch_block): Delete declaration.
5089 (scratch_list_length): Delete declaration.
5090 * reload1.c (reload): Delete code to manage the scratch list.
5091 (spill_hard_reg): Likewise.
5092 (mark_scratch_live): Delete.
5094 * recog.c (alter_subreg): Delete declaration.
5096 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5098 * Makefile.in (cccp.o): Fix typo in last patch.
5100 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5102 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5103 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5105 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5107 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5108 NULL_RTX as an argument.
5110 * Makefile.in (unlibsubdir): Define.
5111 (DRIVER_DEFINES): Use unlibsubdir.
5112 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5113 (stmp-fixinc): Similarly.
5115 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5117 * regmove.c (regmove_optimize): Add variable old_max_uid.
5118 At the end of the function, update basic_block_end.
5120 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5122 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5123 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5126 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5128 * config/arm/arm.c: Improve interworking support.
5130 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5132 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5133 copied from reload_out[r] .
5135 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5137 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5138 with more than three size ranges.
5140 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5142 * rtl.c (mode_name): Add a null string at the end of the array.
5143 (mode_wider_mode): Change type to unsigned char.
5144 (mode_mask_array): New variable.
5145 (init_rtl): Update for mode_wider_mode type change.
5147 * rtl.h (mode_wider_mode): Change type to unsigned char.
5148 (mode_mask_array): Declare.
5149 (GET_MODE_MASK): Use mode_mask_array.
5151 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5153 * calls.c (expand_call) : Encapsulate code into
5154 copy_blkmode_from_reg.
5155 * expr.c (copy_blkmode_from_reg): New function.
5156 * expr.h (copy_blkmode_from_reg): New function.
5157 * integrate.c (function_cannot_inline_p): We can inline
5159 (expand_inline_function): Use copy_blkmode_from_reg
5160 if needed. Avoid creating BLKmode REGs.
5161 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5164 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5166 * config/v850/v850.c: Add function prototypes.
5167 Add support for v850 special data areas.
5169 * config/v850/v850.h: Add support for v850 special data areas.
5171 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5172 HANDLE_PRAGMA_PACK_PUSH_POP.
5173 (push_alignment): New function: Cache an alignment requested
5174 by a #pragma pack(push,<n>).
5175 (pop_alignment): New function: Pop an alignment from the
5177 (insert_pack_attributes): New function: Generate __packed__
5178 and __aligned__ attributes for new decls whilst a #pragma pack
5180 (add_weak): New function: Cache a #pragma weak directive.
5181 (handle_pragma_token): Document calling conventions. Add
5182 support for #pragma pack(push,<n>) and #pragma pack (pop).
5184 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5185 are defined enable HANDLE_PRAGMA_PACK.
5186 Move 'struct weak_syms' here (from varasm.c).
5187 Add pragma states for push and pop pragmas.
5189 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5192 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5193 HANDLE_GENERIC_PRAGMAS.
5195 * varasm.c: Move definition of 'struct weak_syms' into
5197 (handle_pragma_weak): Deleted.
5199 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5201 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5203 * c-decl.c (start_function): Add invocation of
5204 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5206 * tm.texi: Remove description of non-existant macro
5207 SET_DEFAULT_SECTION_NAME.
5209 (HANDLE_SYSV_PRAGMA): Document.
5210 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5212 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5214 * config.sub: Recognize i[34567]86-pc-udk as new target.
5215 * configure.in: Likewise.
5216 * config/i386/t-udk: New file.
5217 * config/i386/udk.h: New file.
5219 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5221 * reorg.c (check_annul_list_true_false): Remove unused variables.
5222 (steal_delay_list_from_target): Add missing "used_annul" variable.
5223 (try_merge_delay_insns): Close out half formed comment.
5225 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5227 * cpplib.c (macroexpand): If arg->raw_before or
5228 arg->raw_after, remove any no-reexpansion escape at the
5229 beginning of the pasted token. Correct handling of whitespace
5230 markers and no-reexpand markers at the end if arg->raw_after.
5232 * toplev.c (documented_lang_options): Recognize -include,
5233 -imacros, -iwithprefix, -iwithprefixbefore.
5234 * cpplib.c (cpp_start_read): Process -imacros and -include
5235 switches at the same time and in command-line order, after
5236 initializing the dependency-output code. Emit properly nested
5237 #line directives for them. Emit a #line for the main file
5238 before processing these switches, and don't do it again
5241 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5243 * function.c (purge_addressof_1): Use bitfield manipulation
5244 routines to handle mem mode < reg mode.
5246 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5248 * reorg.c (try_merge_delay_insns): Account for resources referenced
5249 in each instruction in INSN's delay list before trying to eliminate
5250 useless instructions. Similarly when looking at a trial insn's delay
5253 * reorg.c (check_annul_list_true_false): New function.
5254 (steal_delay_list_from_{target,fallthrough}): Call it and also
5255 refine tests for when we may annul if already filled a slot.
5256 (fill_slots_from_thread): Likewise.
5257 (delete_from_delay_slot): Return newly-created thread.
5258 (try_merge_delay_isns): Use its new return value.
5260 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5262 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5263 used to compute a giv or as some other non-counting use.
5265 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5267 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5268 * local-alloc.c (find_free_reg): Use it.
5269 * global.c (find_reg): Likewise.
5270 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5272 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5273 * caller-save.c (init_caller_save): Use it.
5274 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5276 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5278 * configure.in: Add --enable-cpplib option which uses cpplib
5279 for cpp, but doesn't link cpplib into cc1. Make help text
5280 capitalization consistent.
5281 * configure: Rebuilt.
5283 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5285 * function.c (gen_mem_addressof): If the address REG is
5286 REG_USERVAR_P make the new REG be so also.
5287 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5288 in an attempt to clarify slightly.
5290 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5292 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5293 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5295 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5297 * toplev.c: Fix last patch.
5299 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5301 * loop.c (get_condition): Fix typo in May 9 change.
5303 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5305 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5307 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5309 * toplev.c (documented_lang_options): Spelling corrections.
5311 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5313 * configure.in: new flags --with-ld and --with-as, equivalent
5314 to setting LD and AS environment variables. Test whether
5315 specified arguments are GNU commands, and report them with
5316 checking messages. Use the specified AS for configure
5319 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5321 * gcc.c (find_a_file): when looking for `as' and `ld', return
5322 the DEFAULT program if it exists
5323 * collect2.c (main): use DEFAULT_LINKER if it exists
5325 * gcc.c (find_a_file): the test for existence of a full
5326 pathname was reversed
5328 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5330 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5331 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5333 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5335 * tree.h (TYPE_BINFO): Document.
5337 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5339 * i386-coff.h (dbxcoff.h): Added.
5341 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5343 * toplev.c: fix bad patch around flag_data_sections.
5345 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5347 * reload1.c (reload): Use reload_address_index_reg_class and
5348 reload_address_base_reg_class when setting
5349 caller_save_spill_class. (Patch generated by Jim Wilson:
5352 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5354 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5355 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5356 * expr.c (store_field): Add alias_set parameter. Set the
5357 MEM_ALIAS_SET accordingly, if the target is a MEM.
5358 (expand_assignment): Use it.
5359 (store_constructor_field): Pass 0.
5360 (expand_expr): Likewise.
5362 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5364 * flags.h: Add flag_data_sections.
5365 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5366 (compile_file): Error if flag_data_sections not supported.
5367 * varasm.c (assemble_variable): Handle flag_data_sections.
5368 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5369 * config/mips/elf.h: Likewise.
5370 * config/mips/elf64.h: Likewise.
5371 * invoke.texi: Describe -fdata-sections.
5373 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5375 * invoke.texi (-ffloat-store): Clarify that this option
5376 does not affect intermediate results -- only variables.
5378 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5380 * cpp.texi: Update for Fortran usage from Craig.
5382 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5384 * rs6000.c (function_arg_boundary): Revert accidental change on
5387 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5389 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5390 (output_mi_thunk): Declare.
5392 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5393 (output_function_profiler): Use r12 for temp, instead of r11 so
5394 that we preserve the static chain register.
5396 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5398 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5400 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5402 * sh.c (gen_shl_sext): Fix case 5.
5404 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5406 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5408 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5410 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5411 accessing variables until they are initialized via va_arg().
5413 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5415 * reload1.c (reload_combine): Initialize set before using.
5417 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5419 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5422 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5424 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5425 operand3 with mask before using it. Patch provided by Jim Wilson.
5427 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5429 * config/sparc/sparc.c (function_value): Perform the equivalent of
5430 PROMOTE_MODE for ARCH64.
5431 (eligible_for_epilogue_delay): Allow DImode operations in delay
5432 slot of a return for ARCH64.
5434 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5436 * sh.md (sqrtsf2): Fix mode of sqrt.
5438 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5440 * reload1.c (choose_reload_regs): Also try inheritance when
5441 reload_in is a stack slot of a pseudo, even if we already got a
5444 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5446 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5447 (reload_cse_regs): New function body: call reload_cse_regs_1,
5448 reload_combine, reload_cse_move2add.
5449 When doing expensive_optimizations, call reload_cse_regs_1 a
5450 second time after reload_cse_move2add.
5451 (reload_combine, reload_combine_note_store): New functions.
5452 (reload_combine_note_use): New function.
5453 (reload_cse_move2add, move2add_note_store): New functions.
5455 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5457 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5458 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5460 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5461 more than 3 such reloads.
5463 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5464 RELOAD_FOR_X_ADDR_ADDR reload.
5466 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5468 * expr.c (store_constructor): When initializing a field that is smaller
5469 than a word, at the start of a word, try to widen it to a full word.
5471 * cse.c (cse_insn): When we are about to change a register,
5472 remove any invalid references to it.
5474 (remove_invalid_subreg_refs): New function.
5475 (mention_regs): Special treatment for SUBREGs.
5476 (insert_regs): Don't strip SUBREG for call to mention_regs.
5477 Check if reg_tick needs to be bumped up before that call.
5478 (lookup_as_function): Try to match known word_mode constants when
5479 looking for a norrower constant.
5480 (canon_hash): Special treatment for SUBREGs.
5482 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5484 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5485 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5486 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5487 and offsets in actual stack trampoline code so they match the
5488 commentary and actually work.
5490 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5492 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5494 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5495 tmake_file. Set extra_parts to needed crt objects.
5496 * configure: Rebuilt.
5497 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5498 (TARGET_DEFAULT): Set if default is v9 or ultra.
5499 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5500 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5501 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5502 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5503 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5504 (TARGET_VERSION): Define.
5505 (MULTILIB_DEFAULT): Define.
5506 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5507 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5508 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5510 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5511 * config/sparc/sparc.c (sparc_override_options): If arch and
5512 pointer size disagree, emit diagnostic and fix it up. If
5513 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5514 V8PLUS in 64-bit mode.
5515 * config/sparc/t-linux64: New file.
5516 * config/sparc/t-sol2-64: New file.
5517 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5518 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5519 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5520 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5521 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5522 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5524 (STARTFILE_SPEC): Set approriately based upon those.
5525 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5526 disposition of DEFAULT_ARCH32_P.
5527 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5528 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5529 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5530 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5531 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5533 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5535 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5537 * rtl.h (init_virtual_regs): New function.
5538 * emit-rtl.c (init_virtual_regs): Define.
5539 (insn_emit): Use it.
5540 * integrate.c (save_for_inline_copying): Likewise.
5542 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5544 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5545 (enum reg_class): Add NONARG_LO_REGS support.
5546 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5547 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5548 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5549 completes. Re-enable HImode REG+OFFSET addresses.
5550 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5552 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5554 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5556 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5557 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5558 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5560 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5562 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5563 jumps as a single entity, taking into account the size of the
5566 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5568 * tree.def (SWITCH_EXPR): New tree node definition.
5570 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5572 * version.c: Bump for snapshot.
5574 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5576 * version.c: Bump for snapshot.
5578 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5580 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5583 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5585 * Revert this patch.
5586 * reload.c (find_reloads): Do not replace a pseudo with
5587 (MEM (reg_equiv_addr)) in the initializing insn for the
5590 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5592 * final.c (final_scan_insn): Disable tracking CC across branches.
5594 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5596 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5597 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5598 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5599 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5600 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5602 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5604 * toplev.c (rest_of_compilation): Skip compiling anything with
5605 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5607 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5609 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5610 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5611 use in_libcall_block.
5612 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5613 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5616 Mon Sep 21 14:02:23 1998
5618 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5619 typo in no-fancy-math-387 description.
5621 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5623 * version.c: Bump for snapshot.
5625 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5627 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5629 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5631 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5632 documented in install.texi.
5633 (TARGET_OPTIONS) Likewise.
5635 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5637 * version.c: Bump for snapshot.
5639 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5641 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5642 * cccp.c (main): Likewise.
5644 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5645 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5648 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5650 * Makefile.in (LIBS): Link in libiberty.a.
5651 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5653 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5655 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5656 it to update bb boundaries. Update caller.
5657 * function.c (reposition_prologue_and_epilogue_notes): Update
5658 bb boundaries wrt the moved note.
5660 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5662 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5664 * configure: Regenerate.
5666 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5668 * alpha.c (alpha_sr_alias_set): New variable.
5669 (override_options): Set it.
5670 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5671 (mode_mask_operand): Fix signed-unsigned comparision warning.
5672 (alpha_expand_block_move): Likewise.
5673 (print_operand): Likewise.
5674 (get_aligned_mem): Use change_address.
5675 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5676 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5677 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5678 (alpha_align_insns): Remade from old alphaev5_align_insns
5679 to handle multiple processors.
5680 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5681 * output.h (label_to_alignment): Prototype.
5683 * tree.c (new_alias_set): New function.
5684 * tree.h (new_alias_set): Declare it.
5685 * c-common.c (c_get_alias_set): Use it.
5687 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5689 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5690 to an ABS expr, convert an unsigned input to signed.
5692 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5694 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5696 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5698 * configure.in: Add support for c4x targets.
5699 * configure: Rebuilt.
5701 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5703 * combine.c (distribute_notes): If an insn is a cc0 user, only
5704 delete it if we can also delete the cc0 setter.
5706 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5708 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5709 (invert_truthvalue): Enable truthvalue inversion for
5710 floating-point operands if -ffast-math.
5712 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5714 * configure.in: Disable collect2 for nextstep. Instead use
5716 * configure: Rebuilt.
5717 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5718 (ENDFILE_SPEC): Define.
5719 (OBJECT_FORMAT_MACHO): Define.
5720 (EH_FRAME_SECTION_ASM_OP): Define.
5721 * crtstuff.c: Handle MACHO.
5723 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5725 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5727 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5729 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5730 (_fpadd_parts): Get sign right for 0.
5732 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5734 * ginclude/varargs.h: Add support for C4x target.
5735 * ginclude/stdargs.h: Likewise.
5737 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5739 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5740 (alpha_emit_set_long_const): Rewrite to be callable from reload
5742 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5743 * alpha.md (movdi): Likewise.
5745 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5747 * arm.c (add_constant): New parameter address_only, change caller.
5748 Set it non-zero if taking the address of an item in the pool.
5749 (arm_reorg): Handle cases where we need the address of an item in
5752 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5754 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5755 memory addresses that are not in standard canonical form.
5757 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5759 * README.C4X: New file with information about the c4x ports.
5760 * ginclude/va-c4x.h: New file for c4x varargs support.
5761 * config/c4x: New directory with c4x port files.
5763 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5765 * reload.c (find_reloads): Do not replace a pseudo with
5766 (MEM (reg_equiv_addr)) in the initializing insn for the
5769 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5771 * toplev.c (rest_of_compilation): Set bct_p on second call to
5773 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5775 (strength_reduce): Only call analyze_loop_iterations and
5776 insert_bct if bct_p set.
5777 (check_dbra_loop): Fix typo.
5778 (insert_bct): Use word_mode instead of SImode.
5779 (instrument_loop_bct): Likewise. Do not delete iteration count
5780 condition code generation insn. Initialize iteration count before
5782 * rtl.h (loop_optimize): Update prototype.
5784 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5785 not doubleword aligned.
5787 * rs6000.c (optimization_options): New function.
5788 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5789 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5790 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5791 first; cr1 can be used for FP record condition insns.
5793 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5795 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5798 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5801 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5803 (block_move_call): New function: Call a library routine to copy a
5805 (m32r_expand_block_move): New function: Expand a "movstrsi"
5806 pattern into a sequence of insns.
5807 (m32r_output_block_move): New function: Expand a
5808 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5809 (m32r_block_immediate_operand): New function: Return true if the
5810 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5812 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5814 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5816 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5818 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5820 * regmove.c (copy_src_to_dest): Check that modes match.
5822 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5824 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5826 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5828 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5829 narrower than FLOAT_REGS.
5831 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5833 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5835 * Makefile.in (old_gxx_include_dir): removed
5837 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5839 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5842 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5843 (sh_handle_pragma): Change function arguments to match new
5844 specification for HANDLE_PRAGMA.
5846 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5848 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5850 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5851 When generating output, initialize missing struct member to zero.
5853 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5855 * regmove.c (copy_src_to_dest): Don't copy if that requires
5856 (a) new register(s).
5858 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5860 * global.c (reg_allocno): Now static.
5861 * reload1.c (reg_allocno): Delete declaration.
5862 (order_regs_for_reload): Take no arguments. Don't treat regs
5863 allocated by global differently than those allocated by local-alloc.
5865 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5867 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5868 condition, fix format strings.
5869 (output_function_epilogue): Likewise.
5871 * m68k/m68k.c: Don't include <stdlib.h> directly.
5873 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5875 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5876 mem_first_set, mem_last_set; because 0 can be a CUID.
5877 (oprs_unchanged_p): Use new definition.
5878 (record_last_reg_set_info): Likewise.
5879 (record_last_mem_set_info): Likewise.
5880 (compute_hash_table): Likewise.
5882 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5884 * rs6000.c (output_epilogue): Handle Chill.
5886 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5887 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5889 * combine.c (make_extraction): If no mode is specified for
5890 an operand of insv, extv, or extzv, default it to word_mode.
5891 (simplify_comparison): Similarly.
5892 * expmed.c (store_bit_field): Similarly.
5893 (extract_bit_field): Similarly.
5894 * function.c (fixup_var_regs_1): Similarly.
5895 * recog.c (validate_replace_rtx_1): Similarly.
5896 * mips.md (extv, extzv, insv expanders): Default modes for most
5897 operands. Handle TARGET_64BIT.
5898 (movdi_uld, movdi_usd): New patterns.
5900 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5901 equivalent memory location unless we have been provided a scratch
5902 register. Similarly do not call find_replacement unless a
5903 scratch register has been provided.
5905 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5907 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5910 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5912 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5913 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5914 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5915 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5916 * c-decl.c (init_decl_processing): Update accordingly.
5917 * expr.c (expand_builtin): Likewise.
5919 * rtl.h (global_rtl): Add cfa entry.
5920 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5921 (LAST_VIRTUAL_REGISTER): Update.
5922 * emit-rtl.c (global_rtl): Add cfa entry.
5923 (init_emit): Initialize it.
5924 * function.c (cfa_offset): New.
5925 (instantiate_virtual_regs): Initialize it.
5926 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5927 (expand_function_end): Call expand_eh_return.
5928 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5930 * except.c (current_function_eh_stub_label): Kill.
5931 (current_function_eh_old_stub_label): Likwise; update all references.
5932 (expand_builtin_set_return_addr_reg): Kill.
5933 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5934 (expand_builtin_set_eh_regs): Kill.
5935 (eh_regs): Produce a third reg for the actual handler address.
5936 (eh_return_context, eh_return_stack_adjust): New.
5937 (eh_return_handler, eh_return_stub_label): New.
5938 (init_eh_for_function): Initialize them.
5939 (expand_builtin_eh_return, expand_eh_return): New.
5940 * except.h: Update prototypes.
5941 * flow.c (find_basic_blocks_1): Update references to the stub label.
5942 * function.h (struct function): Kill stub label elements.
5944 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5945 register number is one that would be in the previous window.
5946 Provide a dummy definition for non-windowed targets.
5947 (get_reg_addr): New function.
5948 (get_reg, put_reg, copy_reg): Use it.
5949 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5950 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5952 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5953 (alpha_init_expanders): Initialize it.
5954 (alpha_expand_epilogue): Use it.
5955 * alpha.h: Declare it.
5956 * alpha.md (eh_epilogue): New.
5958 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5959 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5961 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5963 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5966 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5968 * except.h (struct eh_entry): Add false_label field.
5969 (end_catch_handler): Add prototype.
5970 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5971 (start_catch_handler): When using old style exceptions, issue
5972 runtime typematch code before continuing with the handler.
5973 (end_catch_handler): New function, generates label after handler
5974 if needed by older style exceptions.
5975 (expand_start_all_catch): No need to check for new style exceptions.
5976 (output_exception_table_entry): Only output the first handler label
5977 for old style exceptions.
5978 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5979 mechanism into one function, if a runtime matcher is provided.
5981 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5983 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5985 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5987 * integrate.c (copy_decl_list): Fix typo.
5989 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5991 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5994 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5996 * version.c: Bump for snapshot.
5998 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6000 * version.c: Bump for snapshot.
6002 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6004 * version.c: Bump for snapshot.
6006 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6008 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6010 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6012 * configure.in: remove usage of `!' to negate the result of a
6013 command; some common shells do not support it
6015 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6017 * configure.in: in sparc9-sol2 config, use 'if test' not
6019 * configure: Rebuilt.
6021 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6023 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6024 (CPP_CPU_DEFAULT_SPEC): Likewise.
6025 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6026 for arch64 libfuncs.
6028 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6031 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6033 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6035 * collect2.c: Don't declare `sys_siglist' here.
6036 (my_strsignal): Prototype and define new function. Use it in
6037 place of `sys_siglist' hacks.
6039 * mips_tfile.c: Likewise.
6041 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6042 (GCC_NEED_DECLARATIONS): Likewise.
6044 * system.h (strsignal): Prototype it, if necessary.
6045 (sys_siglist): Declare it, if necessary.
6047 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6049 * loop.c (move_movables): While removing insn sequences, preserve
6050 the next pointer of the most recently deleted insn when we skip
6053 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6055 * objc/config-lang.in: Do not output the name of the selected
6056 thread file when building the front-end. The Makefile for the
6057 runtime library will do this.
6059 * objc/Make-lang.in: Do not build the runtime library or install
6060 the Objective C header files. The Makefile for the runtime
6061 library will do this.
6063 * objc/Makefile.in (all.indirect): Only build the front-end.
6064 (compiler): Rename to `frontend'.
6065 (obj-runtime): Remove target.
6066 (copy-headers): Likewise.
6067 (clean): No need to remove `libobjc.a' any longer.
6069 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6071 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6072 supported with -mcpu=xxx.
6074 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6076 * flow.c (mark_set_1): Recognize multi-register structure return
6077 values in CALL insns.
6078 (mark_used_regs): Likewise.
6079 (count_reg_sets_1): Likewise.
6080 (count_reg_references): Likewise.
6081 * rtlanal.c (note_stores): Likewise.
6082 (reg_overlap_mentioned_p): Likewise.
6083 * haifa-sched.c (check_live_1): Likewise.
6084 (update_live_1): Likewise.
6085 (sched_analyze_1): Likewise.
6086 (sched_note_set): Likewise.
6087 (birthing_insn_p): Likewise.
6088 (attach_deaths): Likewise.
6090 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6093 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6095 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6097 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6099 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6101 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6103 * configure.in: Add check for GAS subsection -1 support.
6104 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6105 * configure config.in: Rebuilt.
6106 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6107 SImode is subsection -1 works, else use DImode.
6108 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6109 subsection -1 works.
6110 * config/sparc/sparc.c (sparc_output_addr_vec,
6111 sparc_output_addr_diff_vec): Use them if defined.
6113 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6115 * tree.h (DECL_ORIGIN): New macro.
6116 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6117 (copy_decl_list): Use it.
6118 (integrate_parm_decls): Likewise.
6119 (integrate_decl_tree): Likewise.
6120 * dwarf2out.c (decl_ultimate_origin): Simplify.
6121 * dwarfout.c (decl_ultimate_origin): Likewise.
6122 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6123 (pushdecl): Likewise.
6125 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6127 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6129 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6131 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6133 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6135 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6136 empty or has a single entry.
6138 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6139 before calling reg_to_stack.
6141 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6143 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6144 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6146 * c-tree.h (warn_long_long): Declare it.
6148 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6150 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6151 initialized float-int union if the value is a NaN.
6153 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6155 * c-lex.c (real_yylex): Don't warn about long long constants if
6156 we're allowing long long
6158 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6160 * except.h (current_function_eh_stub_label): Declare.
6161 (current_function_eh_old_stub_label): Declare.
6162 * function.h (struct function): New members eh_stub_label and
6164 * except.c (current_function_eh_stub_label): New variable.
6165 (current_function_eh_old_stub_label): New variable.
6166 (init_eh_for_function): Clear them.
6167 (save_eh_status): Save them.
6168 (restore_eh_status): Restore them.
6169 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6170 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6171 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6172 make an edge from the block that contains it to the block starting
6173 with the label if this label is one of the eh stub labels.
6174 If eh stub labels exist, show they are reachable from the last block
6177 * reload1.c (reload): Break out several subroutines and make some
6179 (calculate_needs_all_insns): New function, broken out of reload.
6180 (calculate_needs): Likewise.
6181 (find_reload_regs): Likewise.
6182 (find_group): Likewise.
6183 (find_tworeg_group): Likewise.
6184 (something_needs_reloads): New global variable, formerly in reload.
6185 (something_needs_elimination): Likewise.
6186 (caller_save_spill_class): Likewise.
6187 (caller_save_group_size): Likewise.
6188 (max_needs): Likewise.
6189 (group_size): Likewise.
6190 (max_groups): Likewise.
6191 (max_nongroups): Likewise.
6192 (group_mode): Likewise.
6193 (max_needs_insn): Likewise.
6194 (max_groups_insn): Likewise.
6195 (max_nongroups_insn): Likewise.
6196 (failure): Likewise.
6198 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6200 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6202 * loop.c (load_mems): Copy rtx for output mem.
6204 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6206 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6207 mips1 or mips2 either.
6209 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6211 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6213 (pa_adjust_insn_length): Update to work with new marking scheme
6214 for jumps inside switch tables.
6215 * pa.md (switch_jump): Remove pattern.
6216 (jump): Handle jumps inside jump tables.
6218 * Makefile.in (profile.o): Depend on insn-config.h
6220 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6222 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6224 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6226 Add preliminary native sparcv9 Solaris support.
6227 * configure.in: Recognize sparv9-*-solaris2*
6228 * configure: rebuilt
6229 * config.sub: Recognize sparcv9 just like sparc64.
6230 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6231 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6232 32-bit and 64-bit Solaris systems.
6233 * config/sparc/t-sol2: Assemble those with cpp.
6234 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6235 (*TF*_LIBCALL): If ARCH64 use V9 names.
6236 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6238 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6240 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6241 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6243 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6245 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6246 to Pmode if CASE_VECTOR_MODE is something else.
6248 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6250 * prefix.c (update_path): Correctly handle cases where PATH is
6251 a substring of the builtin prefix, but specifies a different
6254 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6256 * expr.c: Corrected comment about what MOVE_RATIO does.
6257 * config/alpha/alpha.h: Ditto.
6258 * config/1750a/1750a.h: Ditto.
6259 * config/clipper/clipper.h: Ditto.
6260 * config/i386/i386.h: Ditto.
6262 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6264 * configure.in (m68k-next-nextstep3*): Use collect2.
6265 Similarly for x86 NeXT configurations.
6266 * configure: Rebuilt.
6268 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6270 * configure.in: Don't assume srcdir is .../gcc
6271 * configure: Rebuilt.
6273 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6275 * global.c: Update comments.
6276 (global_alloc): Assign allocation-numbers
6277 even for registers allocated by local_alloc in case
6278 they are later spilled and retry_global_alloc is called.
6279 (mark_reg_store, mark_reg_clobber,
6280 mark_reg_conflicts, mark_reg_death): Always record a
6281 conflict with a pseudo register even if it has been
6282 assigned to a hard register.
6283 (dump_conflicts): Don't list pseudo registers already assigned to
6284 a hard register as needing to be allocated, but do list their
6286 * local-alloc.c: Update comment.
6288 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6290 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6291 * configure: Rebuilt.
6293 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6295 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6297 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6298 for all targets that set -msoft-float.
6300 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6302 * toplev.c (print_switch_values): Make static to match prototype.
6304 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6306 * configure.in: If we are unable to find the "gnatbind" program,
6307 then do not configure the ada subdir.
6308 * configure: Rebuilt.
6310 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6312 * version.c: Bump for snapshot.
6314 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6316 * version.c: Bump for snapshot.
6318 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6320 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6321 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6323 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6325 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6327 * genextract.c: Have insn-extract.c include toplev.h.
6329 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6331 * toplev.c: Include expr.h.
6332 (really_sorry, fancy_abort): Remove prototypes.
6333 (set_target_switch): Add argument in prototype.
6334 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6335 (v_really_sorry): Likewise.
6336 (print_version, print_single_switch, print_switch_values): Make
6337 static and add prototype arguments.
6338 (decl_printable_name): Add prototype arguments.
6339 (lang_expand_expr_t): New typedef.
6340 (lang_expand_expr): Declare as a lang_expand_expr_t.
6341 (incomplete_decl_finalize_hook): Add prototype argument.
6342 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6343 (botch): Likewise for variable `s'.
6344 (rest_of_type_compilation): Mark variables `type' and `toplev'
6345 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6346 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6347 (display_help): Make variable `i' an `unsigned long'.
6348 (main): Remove unused parameter `envp'.
6349 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6350 Cast -1 when comparing it with a `size_t'.
6352 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6353 prototype with ATTRIBUTE_NORETURN.
6354 (fatal_insn_not_found, fatal_insn, really_sorry,
6355 push_float_handler, pop_float_handler): Add prototypes.
6356 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6357 (do_abort, botch): Add prototypes.
6359 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6361 * final.c (final): If a label is reached only from a single jump,
6362 call NOTICE_UPDATE_CC on the jump and its predecessor before
6363 emitting the insn after the label.
6365 * i386.h: Add AMD K6 support.
6366 Change TARGET_* macros to use table lookup.
6367 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6368 (ADJUST_COST): Change definition to call function in i386.c.
6369 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6370 * i386.c: Add AMD K6 support.
6371 Add constants for feature tests used by TARGET_* macros.
6372 (split_di): If before reload, call gen_lowpart and gen_highpart.
6373 (x86_adjust_cost): New function.
6374 (put_jump_code): New function.
6375 (print_operand): New codes 'D' and 'd'.
6376 * i386.md: New insn types. New insn attribute "memory".
6377 Redefine scheduling parameters to use new types and add AMD K6
6378 support. Explicitly set type of most insns.
6379 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6380 Pro and K6 prefer movl $1,reg to incl reg.
6381 (adddi3, subdi3): Set cc_status.
6382 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6383 to int; x86 can't have more than 2^31 DImode shifts per file.
6384 (setcc): Combine all setcc patterns. Allow writing memory.
6385 Combine all jump patterns using match_operator.
6386 (*bzero): Name pattern. Emit mutliple stos instructions when that
6387 is faster than rep stos.
6388 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6391 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6393 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6396 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6398 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6399 not whatever we're generating now.
6401 * alpha.c (set_frame_related_p, FRP): New.
6402 (alpha_expand_prologue): Mark frame related insns.
6403 (alpha_expand_epilogue): Likewise, but with a null FRP.
6404 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6405 * alpha.md (exception_receiver): New.
6406 * alpha/crtbegin.asm (.eh_frame): New beginning.
6407 (__do_frame_setup, __do_frame_takedown): New.
6408 * alpha/crtend.asm (.eh_frame): New ending.
6409 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6410 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6411 (ASM_FILE_START): Don't emit .file for dwarf2.
6413 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6414 * rtl.c (reg_note_name): Likewise.
6415 * rtl.texi (REG_NOTES): Likewise.
6416 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6419 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6421 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6422 * i386.md (movsf, movdf, movxf): Validate memory address returned
6423 from force_const_mem. Kill useless REG_EQUAL setting code.
6425 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6427 * m68k.md (zero_extendsidi2): Fix typo.
6429 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6431 * configure.in: Removed references to the removed file
6432 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6433 * arm*-*-netbsd* and ns32k-*-netbsd*.
6434 * config/i386/xm-netbsd.h: Removed unnecessary file.
6435 * config/m68k/xm-netbsd.h: Likewise.
6436 * config/sparc/xm-netbsd.h: Likewise.
6437 * config/mips/xm-netbsd.h: Likewise.
6439 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6441 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6442 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6444 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6445 for exact section attributions.
6447 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6449 * i386/crtdll.h (CPP_PREDEFINES): Define.
6451 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6453 * m68k.md (5200 movqi): Do not allow byte sized memory references
6455 * m68k.c (output_move_qimode): Do not use byte sized operations on
6458 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6459 explicit rules for building. Similarly for alloca, vfprintf,
6460 choose-temp and mkstemp, getopt, getopt1, and obstack.
6461 (INCLUDES): Add $(srcdir)/../include.
6462 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6463 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6465 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6467 * gcc.c (do_spec_1): [case 'o'] Account for
6468 lang_specific_extra_outfiles.
6469 (main): Correctly clear all slots in outfiles for
6470 lang_specific_extra_outfiles. Set input_file_number before
6471 calling lang_specific_pre_link.
6473 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6475 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6477 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6479 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6481 (sparc_output_deferred_case_vectors): If no work to do, return.
6482 Fix thinko in Sept 1 change.
6484 1998-09-03 SL Baur <steve@altair.xemacs.org>
6486 * Makefile.in: add semicolon in BISON definition for portability.
6488 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6490 * config/nextstep.c (handle_pragma): Correct name of third
6493 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6495 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6496 * config/m32r/m32r.h: Make register 17 be fixed.
6497 * config/m32r/m32r.c: Use SImode for cc operations.
6499 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6501 * invoke.texi (Warning Options): Add -Wnon-template-friend
6504 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6506 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6508 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6510 * rs6000.md (movsf): Disable explicit secondary-reload-like
6511 functionality if TARGET_POWERPC64.
6512 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6515 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6517 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6518 and term.h from fixinc.wrap.
6520 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6522 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6523 safe to include both string.h and strings.h together.
6524 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6525 which headers to search for function declarations. Continue to
6526 prefer string.h over strings.h when both are not acceptable.
6528 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6530 * configure.in: Call GCC_HEADER_STRING.
6532 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6533 to include. Continue to prefer string.h over strings.h when both
6536 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6538 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6539 not assume top 32-bits of symbolic addresses are zero if
6542 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6544 * ginclude/va-alpha.h: Protect entire second portion of the
6545 file against double inclusion.
6547 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6549 Added support for the Boehm's garbage collector.
6550 * configure.in: Handle --enable-objc-gc.
6551 * configure: Rebuilt.
6552 * Makefile.in (CHECK_TARGETS): Add check-objc.
6553 (check-objc): New rule.
6554 * objc/Make-lang.in: Build a different Objective-C library that
6555 runs with the Boehm's collector.
6556 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6557 * objc/encoding.c: Correctly compute the size of compound types in
6558 the presence of bitfields. Skip the variable name of the type if
6559 any. Added support for long long.
6560 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6561 (_F_GCINVISIBLE): New mask.
6562 * objc/gc.c: New file. Compute the type memory mask associated with
6563 a class based on the runtime information.
6564 * objc/misc.c: Added the hooks that use the Boehm's collector
6565 allocation functions.
6566 * objc/objc-act.c (build_class_template): Generate a new class
6567 member (gc_object_type) to hold the class' type memory mask.
6568 (build_shared_structure_initializer): Initialize the new member to
6570 (encode_complete_bitfield): New function. Generate the new
6572 (encode_field_decl): Generate the new encoding only for the GNU
6574 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6576 (class_get_gc_object_type): New function to mark a pointer instance
6577 variable as a weak pointer.
6578 * objc/objc-features.texi: New file.
6579 * objc/objc.h (gc_object_type): New class member.
6580 * objc/objects.c (class_create_instance): Create a typed memory
6581 object when compiled with Boehm's collector support.
6582 * objc/sendmsg.c (__objc_init_install_dtable): Call
6583 __objc_send_initialize instead of setting the initialize flag.
6584 (__objc_send_initialize): Call __objc_generate_gc_type_description
6585 to generate the class type memory mask. Rewrite the code that
6586 sends the +initialize so that it is called only once (bug report
6587 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6588 * testsuite/objc: New testsuite for Objective-C type encoding.
6589 * testsuite/lib/objc-torture.exp: New file.
6590 * testsuite/lib/objc.exp: New file.
6592 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6594 * jump.c (jump_optimize): In if/then/else transformations, add
6595 another call to modified_between_p for the jump insn.
6597 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6599 * fix-header.c (symlink): Treat like readlink.
6601 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6603 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6606 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6608 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6609 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6610 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6612 * config/nextstep.c (handle_pragma): Take three arguments, as per
6613 the new HANDLE_PRAGMA macro specification.
6614 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6615 per the new HANDLE_PRAGMA macro specification.
6616 * config/i960/i960.c (process_pragma): Take three arguments, as
6617 per the new HANDLE_PRAGMA macro specification.
6619 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6621 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6622 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6623 if unknown pragmas are encountered.
6624 (handle_sysv_pragma): Interpret return code from
6625 handle_pragma_token (). Return success/failure indication rather
6626 than next unprocessed character.
6627 (pragma_getc): New function: retrieves characters from the
6628 input stream. Defined when HANDLE_PRAGMA is enabled.
6629 (pragma_ungetc): New function: replaces characters back into the
6630 input stream. Defined when HANDLE_PRAGMA is enabled.
6632 * c-pragma.c (handle_pragma_token): Return success/failure status
6635 * c-pragma.h: Change prototype of handle_pragma_token().
6637 * varasm.c: (handle_pragma_weak): Only create this function if
6638 HANDLE_PRAGMA_WEAK is defined.
6640 * c-common,c (decl_attributes): If defined call the expression
6641 contained within the INSERT_ATTRIBUTES macro before adding
6642 attributes to a decl.
6644 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6645 HANDLE_PRAGMA, which takes three arguments.
6646 (INSERT_ATTRIBUTES): Document this new macro.
6648 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6649 new INSERT_ATTRIBUTES macro.
6651 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6653 * config/sparc/sparc.md (movdf): Only generate special RTL for
6654 LABEL_REFs when PIC.
6655 (move_label_di): Remove
6656 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6657 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6658 references when PIC.
6659 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6660 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6661 output an .xword for all 64-bit cases.
6663 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6665 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6666 alignment, use FUNCTION_BOUNDARY instead.
6667 (sparc_output_deferred_case_vectors): Likewise.
6669 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6671 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6672 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6674 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6676 * alpha/va_list.h: New file.
6677 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6679 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6681 * NEWS: Add SCO Openserver and Unixware 7 notes.
6685 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6687 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6688 (record_constant_1): Handle RANGE_EXPR.
6690 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6692 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6693 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6694 and NOTE_INSN_RANGE_END specially.
6695 (reemit_notes): Likewise.
6697 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6699 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6700 (ultrasparc_sched_init): Remove unneeded &.
6702 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6704 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6705 for m68020-60, to prevent the use of fintrz.
6707 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6709 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6711 * Makefile.in: Likewise.
6712 * configure: Regenerated.
6714 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6716 * configure.in (gxx_include_dir): Changed to
6717 '${prefix}/include/g++'-${libstdcxx_interface}.
6718 * configure: Rebuilt.
6720 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6722 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6724 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6725 *sequences* *below* which scalar moves will be used.
6727 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6729 * collect2.c (mktemp): Delete unused declaration.
6731 * config/xm-netbsd.h: Remove unnecessary file.
6732 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6733 file anymore, it is not needed.
6735 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6737 * convert.c (convert_to_integer): Issue an error on conversions to
6740 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6742 * Makefile.in: Add lang_tree_files and gencheck.h.
6743 * configure.in: Generate them.
6744 * gencheck.c: Include gencheck.h.
6746 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6748 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6749 movdi_lo_sum_pic and movdi_high_pic and make visible.
6750 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6751 emit these when Pmode is not SImode.
6752 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6754 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6756 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6757 .linkonce directive after the first time.
6759 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6761 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6762 the clobbered operand overlaps with an input.
6763 (bne0_di): Similarly.
6765 * Makefile.in (INSTALL): Remove "--no-header" argument.
6767 * NEWS: Various updates.
6769 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6771 * config/sparc/sparc.c (arith_operand, const64_operand,
6772 const64_high_operand, arith_double_4096_operand): Mark mode as
6774 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6776 (sparc_emit_set_const64): Remove unused variable i.
6777 (sparc_splitdi_legitimate): Likewise for addr_part.
6778 (ultra_code_from_mask): Likewise for mask.
6779 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6780 reverse return values so it matches usage and comments.
6781 (ultra_flush_pipeline): Likewise.
6782 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6783 this_type, and allow loads and stores of differing FP modes as
6784 they do not create a conflict.
6785 (ultra_find_type): Initialize fpmode to SFmode, fix
6786 parenthesization thinkos in large conditional.
6787 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6788 Init free_slot_mask after ultra_cur_hist is reset, not before.
6789 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6790 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6791 use ultra_flush_pipeline instead, then re-init group pointer.
6792 Fix statement with no effect. If no progress made in, and no
6793 instructions scheduled at all, advance to new pipeline cycle else
6794 we get into an endless loop.
6795 (ultrasparc_adjust_cost): Remove previous arg.
6796 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6798 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6800 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6801 code. Use reg_overlap_mentioned_p to detect when source and
6802 destination overlap.
6803 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6805 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6807 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6808 COMPARISON_VAL, into invariant_p.
6810 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6812 * regmove.c (regclass_compatible_p): New function.
6813 (regmove_optimize): Use it.
6815 Use NREGS parameter insted of calling max_reg_num.
6817 (fixup_match_1): Don't use code = MINUS when later tieing with
6818 a hard register is likely.
6820 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6822 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6823 COMPARISON_VAL was normalized.
6825 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6827 * loop.c (check_dbra_loop): The loop ending comparison value
6828 must be an invariant or we can not reverse the loop.
6830 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6831 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6833 (load_mems_and_recount_loop_regs_set): Likewise.
6835 * i386.c (print_operand): Remove obsolete 'c' docs.
6837 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6839 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6840 * frame.c (init_object_mutex): New function.
6841 (init_object_mutex_once): Likewise.
6842 (find_fde): Call it.
6843 (__register_frame_info): Likewise.
6844 (__register_frame_info_table): Likewise.
6845 (__deregister_frame_info): Likewise.
6847 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6849 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6851 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6853 * loop.c (check_dbra_loop): Enable code for reversal
6854 of some loops without a known constant loop end.
6856 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6858 * haifa-sched.c (last_clock_var): New.
6859 (schedule_block): Initialize it.
6860 (schedule_insn): Use it to fill insn modes with issue information.
6862 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6863 Tag trapb and next insn with TImode.
6864 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6865 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6866 Invoke alphaev5_align_insns as appropriate.
6867 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6868 (MD_SCHED_VARIABLE_ISSUE): New.
6869 * alpha.md (attr type): Add multi.
6870 (define_asm_attributes): New.
6871 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6872 (arg_home): Likewise.
6873 (fnop, unop, realign): New.
6875 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6877 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6878 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6880 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6881 (rs6000-ibm-aix4.[12]*): Likewise.
6882 * configure: Regnerate.
6884 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6886 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6887 already contains the return address.
6889 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6891 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6892 word sized hunks when loading unaligned args into registers.
6894 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6895 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6897 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6899 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6901 * loop.c (check_dbra_loop): Add some code that would allow reversal
6902 of some loops without a known constant loop end if it were enabled.
6904 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6906 * mips.md (lshrsi3_internal2+2): Fix type-o.
6908 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6910 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6911 correctly with regards to stdio.h.
6913 * calls.c: Remove stdarg.h/varargs.h.
6916 * combine.c: Likewise.
6917 * cpperror.c: Likewise.
6918 * cpplib.c: Likewise.
6919 * cpplib.h: Likewise.
6920 * doprint.c: Likewise.
6921 * emit-rtl.c: Likewise.
6922 * final.c: Likewise.
6923 * fix-header.c: Likewise.
6925 * genattr.c: Likewise.
6926 * genattrtab.c: Likewise.
6927 * gencodes.c: Likewise.
6928 * genconfig.c: Likewise.
6929 * genemit.c: Likewise.
6930 * genextract.c: Likewise.
6931 * genflags.c: Likewise.
6932 * genopinit.c: Likewise.
6933 * genoutput.c: Likewise.
6934 * genpeep.c: Likewise.
6935 * genrecog.c: Likewise.
6936 * mips-tfile.c: Likewise.
6937 * prefix.c: Likewise.
6938 * protoize.c: Likewise.
6939 * regmove.c: Likewise.
6940 * toplev.c: Likewise.
6943 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6945 * config/sparc/sparc.c (sparc_override_options): If not
6946 TARGET_FPU, turn off TARGET_VIS.
6947 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6948 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6949 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6950 (movdi_insn_sp64): Add VIS fzero alternative.
6951 (clear_sf, clear_df): New VIS patterns.
6952 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6954 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6956 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6958 * loop.c (n_times_set, n_times_used, may_not_optimize,
6959 reg_single_usage): Convert to varrays. All uses changed.
6960 (insert_loop_mem): Return a value.
6961 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6962 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6965 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6968 * configure.in: Do not set thread_file to "irix" since no such
6971 * sparc.md (float abs/neg splits): Check reload_completed before
6972 calling alter_subreg.
6974 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6976 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6978 * config/sparc/sparc.h: Declare it.
6979 * config/sparc/sparc.md (float abs/neg splits): Use it.
6980 (all other splits): Handle SUBREGs properly where necessary.
6981 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6983 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6985 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6986 an insn on the unfilled_slots_list that has no delay slots.
6987 (fill_eager_delay_slots): Similarly.
6989 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6991 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6992 as an ordinary operand.
6994 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6996 * tree.c (valid_machine_attribute): Don't apply attributes to both
6999 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7001 * reload.c (operands_match_p): Handle rtvecs.
7003 * i386.c (legitimate_pic_address_disp_p): New.
7004 (legitimate_address_p): Use it.
7005 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7006 Handle constant pool symbols just like statics.
7007 (emit_pic_move): Use Pmode not SImode for clarity.
7008 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7009 [UNSPEC]: New, handling what we killed above.
7010 [PLUS]: Detect and abort on invalid symbol arithmetic.
7011 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7013 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7015 * alias.c: Include output.h.
7016 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7017 different if we're in a varargs function.
7018 * Makefile.in (alias.o): Depend on output.h
7020 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7022 * sh.h (GIV_SORT_CRITERION): Delete.
7024 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7026 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7027 * stupid.c (stupid_life_analysis): Ditto.
7028 * reload1.c (reload): Ditto.
7030 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7032 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7033 arith_double_4096_operand, arith_double_add_operand): New
7035 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7036 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7037 them to transform add/sub 4096 into add/sub -4096.
7039 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7041 * loop.c (scan_loop): Allocate some slop to handle pseudos
7042 generated by move_movables.
7043 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7046 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7048 * tree.def (DECL_RESULT): Correct documentation.
7050 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7052 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7053 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7054 conflicts will all RELOAD_FOR_OUTPUT reloads.
7056 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7057 loads the function result, substitute with a USE.
7059 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7061 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7062 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7063 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7064 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7065 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7066 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7068 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7069 'o' to 'm' for GPR variant constraints.
7071 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7073 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7075 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7077 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7078 when the source and destination overlap.
7080 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7081 clash with global type.
7083 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7085 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7087 * c-common.c (combine_strings): Also set TREE_READONLY.
7088 Change warn_write_strings to flag_const_strings.
7089 * c-decl.c, c-tree.h: Likewise.
7091 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7093 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7094 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7095 sequence, use SET/IOR instead so CSE can see it.
7096 * config/sparc/sparc.md (movhi_const64_special,
7097 movsi_const64_special): New patterns necessitated by that change.
7098 (movhi_high): Remove.
7099 (movhi_lo_sum): Change to match an IOR.
7100 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7101 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7102 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7103 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7104 registers are involved.
7105 (snesi_zero_extend split): Remove reload_completed test.
7106 (unnamed plus and minus zero_extend sidi splits): Add it.
7108 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7110 * extend.texi: Remove description of extension to explicit
7111 instantiation that is now endorsed by standard C++.
7113 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7115 * config/arc/arc.c (arc_initialize_pic): Remove.
7116 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7117 nothing on any platform and is invoked by no-one, it does not even
7118 appear in the documentation.
7119 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7120 * config/sparc/sparc.c (initialize_pic): Likewise.
7121 (find_addr_reg): Remove this as well, no longer referenced after
7124 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7126 * recog.c (validate_replace_rtx_group): New function.
7127 * recog.h (validate_replace_rtx_group): Declare it.
7128 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7129 the entire group of substitutions.
7131 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7133 * loop.c (load_mems): Fix initializers.
7135 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7137 * config/sparc/sparc.md (TFmode splits): Handle destination
7138 registers being referenced in the address correctly.
7140 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7141 TREE_UNSIGNED, when bitsize of type's mode is larger than
7142 HOST_BITS_PER_WIDE_INT.
7144 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7146 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7147 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7148 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7150 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7153 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7155 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7156 * h8300.h (TINY_DATA_NAME_P): Likewise.
7157 (STRIP_NAME_ENCODING): Handle '&'.
7159 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7160 register (it could be accessed via an outer SUBREG).
7161 (REG_OK_FOR_BASE_P): Likewwise.
7162 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7164 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7167 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7169 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7171 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7172 must be offsettable so the splits can be made.
7174 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7176 * config/i386/winnt.c: Include system.h, not stdio.h to get
7177 sys/param.h pulled in before rtl.h in case the system defines MIN
7180 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7182 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7184 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7186 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7188 * cpplib.c (cpp_define): Handle macros with parameters.
7190 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7192 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7193 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7194 and DImode 64-bit. Use llong for minimal-toc SFmode and
7195 SYMBOL_REF / LABEL_REF 64-bit.
7196 (output_function_profiler): Use llong for profiler label and ld to
7197 load 64-bit label address.
7199 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7201 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7204 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7206 * version.c: Bump for snapshot.
7208 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7210 * version.c: Bump for snapshot.
7212 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7214 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7216 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7218 * tm.texi (Misc): Fix typo "teh".
7220 * tm.texi (PIC): Fix typo "PPIC".
7222 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7223 effect when -O2 and higher.
7224 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7226 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7228 * regclass.c: Changed register set documentation to be consistent
7231 * final.c (final_start_function) Removed redundant test for
7234 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7236 * rtl.h (rtx_function): New type.
7237 (for_each_rtx): New function.
7238 * rtlanal.c (for_each_rtx): Define it.
7240 * recog.c (change_t): New type.
7241 (change_objects, change_old_codes, change_locs, change_olds):
7243 (changes): New variable.
7244 (validate_change): Dynamically allocate room for more changes, if
7245 necessary. Uses changes array instead of change_objects, etc.
7246 (apply_change_group): Use changes array instead of
7247 change_objects, etc.
7249 * loop.c (loop_mem_info): New type.
7250 (loop_mems): New variable.
7251 (loop_mems_idx): Likewise.
7252 (looop_mems_allocated): Likewise.
7253 (scan_loop): Remove nregs parameter.
7254 (next_insn_in_loop): New function.
7255 (load_mems_and_recount_loop_regs_set): Likewise.
7256 (load_mems): Likewise.
7257 (insert_loop_mem): Likewise.
7258 (replace_loop_mem): Likewise.
7259 (replace_label): Likewise.
7260 (INSN_IN_RANGE_P): New macro.
7261 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7262 (scan_loop): Remove nregs parameter, compute it after any new
7263 registers are created by load_mems. Use INSN_IN_RANGE_P and
7264 next_insn_in_loop rather than expanding them inline. Call
7265 load_mems to load memory into pseudos, if appropriate.
7266 (prescan_loop): Figure out whether or not there are jumps from the
7267 loop to targets other than the label immediately following the
7268 loop. Call insert_loop_mem to notice all the MEMs used in the
7269 loop, if it could be safe to pull MEMs into REGs for the duration
7271 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7273 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7275 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7277 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7279 * config/sparc/sparc.c (finalize_pic): Check for the correct
7280 nonlocal_goto_receiver UNSPEC number.
7281 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7282 making note of this dependency existing in sparc.c
7283 (negtf2_notv9 split): Give NEG SFmode.
7284 (negsf2): Fix insn output string.
7286 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7288 * c-common.c (decl_attributes): Issue an error if the argument
7289 to alias is not a string.
7291 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7293 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7294 pending memory flush list.
7296 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7298 (try_combine): Allow combining insns with REG_LIBCALL notes.
7300 * expr.c (emit_block_move): Do not call memcpy as a libcall
7301 instead build up a CALL_EXPR and call it like any other
7303 (clear_storage): Similarly for memset.
7305 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7308 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7311 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7312 and REG_LIVE_LENGTH as successful substitutions are made.
7314 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7316 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7317 statement after end of loop label.
7319 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7321 * config/sparc/sparc.c (ultra_types_avail): New variable.
7322 (ultra_build_types_avail): New function to record mask of insn
7323 types in ready list at this cycle.
7324 (ultrasparc_sched_reorder): Call it.
7325 (ultra_find_type): Use it to quicken the search. Also simplif
7326 dependency check, don't use rtx_equal_p because we know exactly
7327 what we are looking for.
7329 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7331 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7332 for architecture v4.
7334 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7336 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7338 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7339 movdf_const_intreg and helper splits): New patterns to move float
7340 constants into integer registers.
7341 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7344 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7347 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7349 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7351 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7352 a BASE_REGS register is needed as an intermediate when copying
7353 a symbolic value into any register class other than BASE_REGS.
7355 * expr.c (move_by_pieces): No longer static. Remove prototype.
7356 * rtl.h (move_by_pieces): Add extern prototype.
7357 * mips.c (expand_block_move): Handle aligned straight line copy by
7358 calling move_by_pieces.
7360 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7363 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7365 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7366 jumps out of the loop to be treated as part of the exit test.
7368 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7369 Jeff Law <law@cygnus.com>
7371 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7372 * cplus-dem.c: Delete.
7374 * Makefile.in (fold-const.o): depend on $(RTL_H).
7376 * fold-const.c: Include rtl.h to get the prototype for
7377 `set_identifier_local_value'.
7379 * loop.c (express_from_1): Remove unused variable `tmp'.
7380 (combine_givs): cast the first argument of bzero to char *.
7382 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7384 * c-decl.c (init_decl_processing): Remove unneeded &.
7386 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7388 * except.c (set_exception_lang_code, set_exception_version_code):
7389 Change parameter from `short' to `int' to avoid using a gcc
7392 * except.h (set_exception_lang_code, set_exception_version_code):
7393 Likewise for prototypes.
7395 * flow.c (count_reg_references): Remove unused variables `regno'
7398 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7400 * prefix.c (translate_name): Cast the result of `alloca'.
7402 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7404 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7406 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7408 (valid_dbcc_comparison_p): Mark mode argument as unused.
7409 (symbolic_operand): Likewise.
7410 (legitimize_pic_address): Likewise.
7411 (const_uint32_operand): Likewise.
7412 (const_sint32_operand): Likewise.
7413 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7414 schedule_insns and comment out rest of file.
7416 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7418 (output_move_[hq]imode): Likewise.
7420 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7422 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7423 * invoke.texi: Corresponding changes.
7425 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7427 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7429 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7431 * config/sparc/sparc.c (ultra_code_from_mask,
7432 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7433 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7434 ultrasparc_sched_init, ultrasparc_variable_issue,
7435 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7436 functions to describe UltraSPARC pipeline exactly to Haifa.
7437 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7438 as there is nothing the scheduler can do about it. Indicate that
7439 REG_DEP_OUTPUT's collide. Fixup formatting.
7440 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7441 divide costs on Ultra for DImode.
7442 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7444 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7445 ieuN and add call_no_delay_slot to type list.
7446 (cti function unit): New unit for branches on UltraSPARC.
7447 (subx/addx insns): Set type to misc.
7448 (sidi zero/sign extension insns on arch64): Set type to shift.
7449 (sign_extendhidi2_insn): Set type to sload.
7451 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7453 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7454 (output_epilog): Use if != 0 for offset.
7455 (rs6000_fatal_bad_address): Prepare for Intl.
7456 * rs6000.h (rs6000_fatal_bad_address): Declare.
7457 * rs6000.md (movsfcc, movdfcc): Use else if.
7458 (elf_high): Use {liu|lis}.
7459 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7460 (movsi): Use rs6000_fatal_bad_address.
7462 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7464 * reload.c (find_equiv_reg): Reject equivalences separated
7465 by a volatile instruction.
7467 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7469 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7471 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7473 * alpha.md (movsicc): Fix mode mismatch.
7475 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7477 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7479 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7481 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7483 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7484 write-only modifier from operand 1 constraint.
7486 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7488 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7489 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7491 (sparc_emit_set_const64): Likewise, also when computing trailing
7492 bits do not negate low_bits and make fast_int an int.
7494 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7496 * loop.c (add_label_notes): Do not ignore references to labels
7497 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7498 * gcse.c (add_label_notes): Similarly.
7500 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7502 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7503 (adddi_dishl32): Similarly.
7505 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7507 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7508 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7509 * cse.c (cse_basic_block): Add parens to shut up warnings.
7511 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7513 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7514 sparc_emit_set_const64_longway, const64_is_2insns,
7515 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7516 in 64-bit constant formation.
7517 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7518 rtl for addx not subx.
7519 (define_insn movdi_const64_special): Make available even when
7520 HOST_BITS_PER_WIDE_INT is not 64.
7521 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7522 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7523 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7524 instances of operand 1 inside a QI subreg.
7525 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7526 (one_cmpldi2_sp64): Fix output string.
7527 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7529 (unnamed arch64 ashift DI): Truncate shift count if greater than
7532 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7534 * expr.c (store_expr): Don't optimize away load-store pair
7535 when either source or destination have a side effect.
7537 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7539 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7540 operands of SET are incompatible.
7542 * alpha.md: Fix max and min patterns so modes of SET operands match.
7544 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7546 * configure.in: Avoid [[ by using test and changequote.
7547 * configure: Rebuild.
7549 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7551 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7553 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7554 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7555 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7556 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7557 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7558 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7559 Fix mismatching modes in SET operands.
7560 (conditional move patterns): Fix formatting.
7561 (unnamed subx arch64 pattern): Remove duplicate insn.
7563 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7565 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7566 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7567 (input_operand): Fixup test for what we accept for constant
7569 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7571 (safe_constDI): Remove.
7572 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7573 gen_safe_XOR64): New functions.
7574 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7575 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7577 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7578 available when HOST_BITS_PER_WIDE_INT is not 64.
7579 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7580 move before movdi_insn_sp64 pattern.
7581 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7582 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7583 symbolic_operand as predicate for second operand.
7584 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7585 expander): Give set VOIDmode.
7587 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7589 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7591 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7593 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7595 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7597 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7599 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7601 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7603 * install.texi: Various SCO OpenServer tweaks.
7605 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7607 * reload1.c (eliminate_regs_in_insn): Handle another case when
7608 eliminating the frame pointer to the hard frame pointer. Add
7609 missing ep->to_rtx check to one existing case.
7611 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7613 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7615 * tree.h: De-conditionalize init_priority code.
7617 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7618 * collect2.c (NM_FLAGS): Change from -p to -n.
7620 * configure.in: Turn on collect2 for mipstx39-elf.
7621 Handle use_collect2=no properly.
7623 * c-common.c: De-conditionalize init_priority code.
7624 * collect2.c (extract_init_priority, sort_ids): New fns.
7625 (main): Call sort_ids.
7626 Move sequence_number to file scope.
7628 * configure.in: Handle --enable-init-priority.
7629 * c-common.c (attrs): Add A_INIT_PRIORITY.
7630 (init_attributes, decl_attributes): Likewise.
7631 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7632 * tree.c (get_file_function_name_long): Split out...
7633 (get_file_function_name): ...from here.
7635 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7637 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7640 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7642 * toplev.c (display_help): Add braces to shut up warnings.
7643 * tree.c (simple_cst_equal): Likewise.
7645 * fold-const.c (non_lvalue): Don't deal with null pointer
7647 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7649 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7650 of any size to a pointer.
7652 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7654 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7656 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7658 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7659 which will be saved.
7660 * mn10300.md (prologue insn): Only save registers which need saving.
7661 (epilogue insn): Similarly.
7663 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7666 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7668 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7669 VAR_DECL's in gp addressable sections.
7671 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7673 * sparc.c: Change return <exp> to <exp>; return; in functions
7675 * sparc.md: Add empty semicolon statement after final label in
7678 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7680 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7681 addx_extend_sp64, only allow when TARGET_ARCH64.
7682 (define_insn addx_extend_sp32 and split): Version that works when
7684 (define_insn subx_extend): Likewise.
7685 (define_split adddi3 and subdi3 with zero extension): Fixup and
7686 correct bugs when not TARGET_ARCH64.
7688 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7690 * except.c (set_exception_lang_code, set_exception_version_code):
7691 Use prototype-style definition if __STDC__, to match declaration
7694 * genemit.c: Change FAIL and DONE macros not to use loops.
7696 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7698 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7699 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7701 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7703 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7705 * README.g77: Update from Craig.
7707 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7709 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7711 (safe_constDI sparc_emit_set_const64_quick1,
7712 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7713 analyze_64bit_constant, const64_is_2insns,
7714 create_simple_focus_bits): Fix some bugs when compiled on real
7716 (function_arg_record_value_3, function_arg_record_value_2,
7717 function_arg_record_value): Add fully prototyped forward decls.
7718 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7719 to cmpsi_insn and use on both 64 and 32 bit targets.
7720 (define_insn cmpsi_insn_sp64): Remove.
7721 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7722 (define_insn zero_extendsidi2_insn): Rename to
7723 zero_extendsidi2_insn_sp64.
7724 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7725 assosciated forced split for it.
7727 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7729 * config/sparc/sparc.h: Declare them.
7730 (PREDICATE_CODES): Add them.
7731 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7732 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7734 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7736 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7737 in v9 case as the latter makes the Solaris assembler crash.
7739 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7741 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7742 for TFmode when !v9. We require offsettable memory addresses.
7743 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7744 DFmode register number conversions.
7745 * config/sparc/sparc.md (define_split DFmode moves): If register
7746 is a SUBREG do alter_subreg on it before using.
7747 (define_expand movtf): Fixup comment about alignment on v9.
7748 (define_split TFmode moves): Don't use gen_{high,low}part, create
7749 explicit SUBREGs instead.
7751 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7753 * Makefile.in (mbchar.o): Depend on mbchar.c.
7755 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7756 Richard Henderson <rth@cygnus.com>
7758 Rewrite Sparc backend for better code generation and
7759 improved sparc64 support.
7760 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7762 * config/sparc/sysv4.h: Likewise.
7763 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7764 move_operand, v8plus_regcmp_op, emit_move_sequence,
7765 singlemove_string, doublemove_string, mem_aligned_8,
7766 output_move_double, output_move_quad, output_fp_move_double,
7767 move_quad_direction, output_fp_move_quad, output_scc_insn):
7769 (small_int_or_double): New predicate.
7770 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7771 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7772 old pic_{sethi,lo_sum}_si patterns.
7773 (mem_min_alignment): New generic function to replace
7774 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7775 available and can test for arbitrary alignments. All callers
7777 (save_regs, restore_regs, build_big_number,
7778 output_function_prologue, output_cbranch, output_return,
7779 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7780 sparc_flat_output_function_epilogue): Prettify
7782 (output_function_epilogue): Likewise and add code to output
7783 deferred case vectors.
7784 (output_v9branch): Likewise, add new arg INSN and use it to tack
7785 on branch prediction settings. All callers changed.
7786 (print_operand): Likewise and output %l44 for LO_SUMs when
7788 (sparc_splitdi_legitimate): New function to make sure DImode
7789 splits can be run properly when !arch64.
7790 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7791 Reformat example code in comments.
7792 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7793 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7794 of deferred case vectors we need to output.
7795 (sparc_defer_case_vector): Record a case vector.
7796 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7797 sparc_output_deferred_case_vectors): New functions to output them.
7798 (sparc_emit_set_const32): New function to form 32-bit constants in
7799 registers when that requires more than one instruction.
7800 (safe_constDI, sparc_emit_set_const64_quick1,
7801 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7802 analyze_64bit_constant, const64_is_2insns,
7803 create_simple_focus_bits, sparc_emit_set_const64): New functions
7804 which do the same for 64-bit constants when arch64.
7805 (sparc_emit_set_symbolic_const64): New function to emit address
7806 loading for all code models on v9.
7807 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7808 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7809 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7810 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7811 inaccuracies in comments, add symbolic and text_segment operands
7812 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7813 GENERAL_REGS in these cases as a temp REG is needed to load these
7814 addresses into a register properly.
7815 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7817 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7818 quads are guarenteed to have 16-byte alignment.
7819 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7820 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7821 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7822 deferred case vector implementation.
7823 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7824 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7825 Generate "internal label - label" instead of "label - 1b".
7826 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7827 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7828 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7830 (doublemove_string, output_block_move, output_fp_move_double,
7831 output_fp_move_quad, output_move_double, output_move_quad,
7832 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7833 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7834 (sparc_emit_set_const32, sparc_emit_set_const64,
7835 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7836 mem_min_alignment, small_int_or_double): Add externs.
7837 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7838 UNSPEC_VOLATILE in this backend.
7839 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7840 unary to types which execute in it.
7841 (define_function_unit ieu_shift): Rename to ieu0.
7842 (define_function_unit ieu1): New, executes compare, call, and
7843 uncond_branch type insns.
7844 (define_function_units for type fdivs, fdivd, fsqrt): These
7845 execute in the fpu multiply unit not the adder on UltraSparc.
7846 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7847 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7848 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7849 allows the arith_double_operand predicate and rHI constraint when
7851 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7852 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7853 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7854 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7855 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7856 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7857 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7858 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7859 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7860 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7861 sign_extendqihi2_insn, sign_extendqisi2_insn,
7862 sign_extendqidi2_insn, sign_extendhidi2_insn,
7863 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7864 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7865 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7866 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7867 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7868 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7869 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7870 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7871 smulsi3_highpart_v8plus, unnamed subreg mult,
7872 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7873 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7874 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7875 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7876 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7877 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7878 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7879 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7880 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7881 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7882 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7883 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7884 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7885 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7886 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7887 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7888 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7889 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7890 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7891 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7892 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7893 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7894 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7895 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7896 call_address_untyped_struct_value_sp32,
7897 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7898 call_value_symbolic_sp32, call_value_address_sp64,
7899 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7900 flush_register_windows, goto_handler_and_restore,
7901 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7902 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7903 return_addsi, return_di, return_adddi, return_sf, all call+jump
7904 peepholes, trap, unnamed trap insns): Prettify output strings.
7905 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7906 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7907 Likewise and force + implement splits for integer cases.
7908 (define_insn return_sf_no_fpu): Likewise and allow to match when
7909 no-fpu because of our subreg SFmode splits.
7910 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7911 zero_extendqidi2_insn, zero_extendhidi2_insn,
7912 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7913 input_operand for second operand.
7914 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7915 reg_or_0_operand for operand 2 so new splits can use it.
7916 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7917 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7919 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7920 CONST_DOUBLEs for operand 2.
7921 (define_insn move_label_di): Likewise and label distance
7922 optimization because it no longer works with new deferred case
7923 vector scheme. To be revisited.
7924 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7925 and allow reg_or_0_operand and J constraint for second operand.
7926 (define_insn jump): Set branch predict taken on V9.
7927 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7928 new deferred case vector scheme.
7929 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7930 (define_insn negdi2_sp32): Force + implement splits.
7931 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7932 one_cmplsi2_not_liveg0 respectively, and create expander of original
7933 names which emit special rtl for TARGET_LIVE_G0.
7934 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7935 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7936 gen_compare_reg, FAIL instead.
7937 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7938 values when trying to reverse condition codes, if they FAIL then
7940 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7941 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7942 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7943 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7944 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7945 set output string to # to indicate they are mandatory splits.
7946 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7947 pic_sethi_di, move_pic_label_si): Remove.
7948 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7949 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7951 (define_expand movsi_pic_label_ref, define_insn
7952 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7953 expander and insns to handle PIC label references and deferred
7955 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7957 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7958 Rewrite to not use emit_move_sequence, make use of new constant
7959 formation code, and new splits for all multi-insn cases.
7960 (define_insn movqi_insn): Remove sethi case, it can never happen.
7961 Use reg_or_zero_operand instead of const0_rtx explicit test,
7962 use input_operand instead of move_operand for source, and use
7963 general_operand now for dest.
7964 (define_insn movhi_insn): Similar but leave sethi case.
7965 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7966 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7967 movhi_lo_sum respectively, prettify output string.
7968 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7969 register when needed on TARGET_LIVE_G0.
7970 (define_insn movsi_insn): Use general_operand and input_operand
7971 for dest and src respectively. Simplify applicability test.
7972 Prettify output strings, and add clr alternative for J
7974 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7975 deprecated std and reg-reg DI moves): Remove and...
7976 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7977 implementation which uses forced splits for all non-single insn
7979 (define_split DI move cases on !arch64): New splits to handle all
7980 situations of 64-bit double register DImode on 32bit, and
7981 unaligned registers and memory addresses for all subtargets.
7982 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7984 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7985 input_operand for dest and src respectively, prettify output
7987 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7988 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7990 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7991 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7992 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7993 movtf_no_e_insn_sp64) Replace with new
7994 implementation which uses forced splits for all non-single insn
7996 (define_split DF move cases): New splits in similar vein to DI
7998 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7999 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8000 movdi_sp64_insn): Remove old v9 code model and constant loading
8002 (define_insn pic_lo_sum_di, pic_sethi_di,
8003 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8004 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8005 embmedany_sethi, embmedany_losum, embmedany_brsum,
8006 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8007 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8008 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8009 scheme, using unspecs, secondary reloads, and one to one sparc
8010 insn to rtl insn mapping for better scheduling and code gen.
8011 (define_expand reload_indi, reload_outdi): Reload helpers for
8012 MEDANY and EMBMEDANY symbol address loading cases which require a
8014 (define_expand movsicc): Remove v8plus_regcmp cases.
8015 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8016 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8017 cmp_diqi_trunc_set): New patterns used by some of the new scc
8019 (define_insn xordi3_sp64_dbl): New pattern used for constant
8020 formation when crossing from 32-bit targets.
8021 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8023 (define_insn addx, subx): Make visible and prettify.
8024 (define_insn adddi3_insn_sp32): Likewise and force split.
8025 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8026 64bit scc split usage.
8027 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8028 zero_extend, subdi3): Force and implement splits.
8030 * final.c (final_scan_insn): Don't output labels if target
8031 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8034 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8035 don't forget to walk inside SEQUENCESs too as these are what the
8036 delay slot scheduler will create.
8038 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8040 * alpha.md (extxl+1,+2): New patterns to work around
8043 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8045 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8046 caused bad assembly code to be generated.
8048 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8050 * netbsd.h: Fix typo.
8052 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8054 * config.sub: Fix typo.
8056 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8058 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8060 (Running Protoize): Typo: Change "ther" into "other".
8062 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8064 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8065 * m68k/netbsd.h: Likewise.
8066 * ns32k/netbsd.h: Likewise.
8067 * sparc/netbsd.h: Likewise.
8069 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8071 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8072 * ginclude/va-clipper.h (va_list): Likewise.
8074 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8076 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8077 load/store multiple instructions unless user overrides.
8079 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8081 * ns32k/netbsd.h: Fix typo.
8083 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8085 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8086 labels with .debugsym if no parallel insns.
8088 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8090 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8091 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8093 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8095 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8096 (AR_FOR_TARGET): Define.
8098 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8100 * dyn-string.h: New file.
8101 * dyn-string.c: Likewise.
8102 * Makefile.in (OBJS): Add dyn-string.o.
8103 (dwarf2out.o): Add dyn-string.h dependency.
8104 (dyn-string.o): List dependencies.
8105 * dwarf2out.c: Include dyn-string.h.
8106 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8107 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8108 prototype. Use dyn_string_append rather than strcat, throughout.
8109 (addr_to_string): Use dyn_string_t.
8111 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8113 Function entry/exit profiling instrumentation:
8114 * expr.h (profile_function_entry_libfunc,
8115 profile_function_exit_libfunc): Declare new variables.
8116 * optabs.c: Define them here.
8117 (init_optabs): Initialize them.
8118 * tree.h (struct tree_decl): New flag
8119 no_instrument_function_entry_exit.
8120 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8121 * c-decl.c (duplicate_decls): Merge it.
8122 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8123 (init_attributes): Use it for "no_instrument_function".
8124 (decl_attributes): Handle it, for functions that have not yet been
8125 compiled. Set decl flag.
8126 * flags.h (flag_instrument_function_entry_exit): Declare new
8128 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8129 (f_options): New option "instrument-functions".
8130 * function.h (struct function): New field instrument_entry_exit.
8131 * function.c (current_function_instrument_entry_exit): New
8133 (push_function_context_to, pop_function_context_from): Save and
8135 (expand_function_start): Set current_ variable, maybe emit return
8136 label and entry profile call.
8137 (expand_function_end): Maybe emit exit profile call.
8139 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8141 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8142 NON_QI_REG_P, pretend the register is SImode.
8144 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8146 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8147 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8148 manufacturer id for ns32k.
8149 * configure: Regenerated.
8150 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8151 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8152 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8153 * config/m68k/netbsd.h: Same.
8154 * config/ns32k/netbsd.h: Same.
8155 * config/sparc/netbsd.h: Same.
8157 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8159 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8160 or UNROLL_COMPLETELY loop that starts with a jump to its
8163 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8165 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8166 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8167 (print_operand, case 'B'): Don't fall through.
8168 (print_operand, case 'S'): Correct mask begin/end computation.
8169 Use HOST_BITS_PER_WIDE_INT.
8170 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8171 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8172 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8173 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8175 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8177 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8178 constraint from second alternative.
8180 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8182 * configure.in: Fix --without/--disable cases for local-prefix,
8183 gxx-include-dir and checking.
8185 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8187 * configure.in (enable_haifa): Set by default for sparc64 too.
8190 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8192 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8193 * i386/winnt.c (associated_type): New fn.
8194 (i386_pe_valid_type_attribute_p): New fn.
8195 (i386_pe_check_vtable_importexport): Remove.
8196 (i386_pe_dllexport_p): Use associated_type.
8197 (i386_pe_dllimport_p): Likewise.
8199 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8200 * i386.c (i386_valid_type_attribute_p): Also accept
8201 attributes for METHOD_TYPEs.
8203 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8205 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8207 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8209 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8211 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8212 them from generating a new base name for each occurence of
8215 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8217 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8219 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8223 * cplus-dem.c (type_kind_t): New type.
8224 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8225 on this paramter, rather than demangling the type again.
8226 (demangle_integral_value): Pass tk_integral.
8227 (demangle_template_: Pass the value returned from do_type.
8228 (do_type): Return a type_kind_t. Pass tk_integral to
8229 demangle_template_value_parm for array bounds.
8230 (demangle_fund_type): Likewise.
8232 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8234 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8237 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8239 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8241 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8243 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8245 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8248 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8250 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8251 (DEBUGGER_ARG_OFFSET): Likewise.
8253 * mn10300.md (movsf): Remove last change. Not needed.
8255 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8257 * c-lex.c (yylex): Fix boundary conditions in character literal and
8258 string literal loops.
8260 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8262 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8263 being invoked incorrectly.
8265 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8266 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8268 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8269 * configure.in: Added i[34567]86-*-win32
8270 * config.sub: Ditto.
8271 * configure: Rebuilt.
8273 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8275 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8276 the frame pointer and compiling PIC code and reload has not completed.
8278 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8281 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8283 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8285 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8287 * Makefile.in (install-info): Only try to update the info
8288 directory file if it exists in the first place.
8290 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8292 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8294 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8296 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8297 CONST_DOUBLE source.
8299 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8301 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8302 strings as the insertion of USER_LABEL_PREFIX.
8303 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8305 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8308 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8310 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8311 already defined type.
8313 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8315 * expr.c (check_max_integer_computation_mode): Allow conversions
8316 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8317 (expand_expr): Likewise.
8319 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8321 * expr.c (expand_expr): Expand RETURN_EXPR.
8323 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8325 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8327 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8329 * dwarf2out.c (output_aranges): Call stripattributes
8330 for TEXT_SECTION references.
8331 (output_line_info): Likewise.
8333 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8335 * profile.c (branch_prob): Call allocate_reg_info after outputting
8336 profile rtl in instrument_arcs.
8338 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8340 * fixinc.irix (math.h): Install wrapper instead of copying.
8342 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8344 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8345 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8346 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8347 lang_flag_0. Added documentation in the flag table.
8349 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8351 * cccp.c (do_include): Fix vax c style include handling.
8353 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8355 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8357 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8359 * fold-const.c (non_lvalue): Don't deal with null pointer
8361 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8363 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8365 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8366 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8367 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8368 (u_short_cint_operand): Same.
8369 (reg_or_cint_operand): Same.
8370 (logical_operand): Same.
8371 (input_operand): Same.
8372 (reg_or_short_operand): Use u_short_cint_operand.
8374 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8376 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8377 but keep the insns and splits. Adjust so when the ultimate destination
8378 is memory, use cvtql.
8380 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8382 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8384 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8386 * gcc.c (do_spec): Call "error" not "warning".
8388 * configure.in: Fix minor problems with gas feature detection code.
8389 * configure: Rebuilt.
8391 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8394 * gcc.c: Delete %[spec] support.
8395 (do_spec_1, case '('): Likewise.
8396 (do_spec_1, case '['): Call error.
8398 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8400 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8401 (CPP_SUBTARGET_SPEC): Default to empty string.
8402 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8403 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8404 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8405 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8407 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8408 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8409 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8410 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8411 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8412 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8413 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8414 * alpha/vxworks.h: Likewise.
8416 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8418 * mips.md (reload_outsi): Added missing REGNO call.
8419 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8421 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8422 another match_operator and compare the codes.
8424 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8426 * MIPS multiply pattern fixes:
8427 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8428 Add union classes for HI, LO, or HILO plus general registers.
8429 (GENERATE_MADD): Deleted.
8430 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8431 Add TARGET_MAD to condition.
8432 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8433 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8434 "*d" for accumulator, to give preference to LO initially but not
8437 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8439 * configure.in (enable_c_mbchar): New configure option.
8440 (extra_cpp_objs): Always available now.
8442 * cexp.y (mbchar.h): #include it.
8443 (yylex): Handle Multibyte characters in character literals.
8445 * cccp.c (mbchar.h): #include it.
8446 (main): Set character set based on LANG environment variable.
8447 (rescan): Handle multibyte characters in comments.
8448 (skip_if_group): See above.
8449 (validate_else): See above.
8450 (skip_to_end_of_comment): See above.
8451 (macarg1): See above.
8452 (discard_comments): See above.
8453 (rescan): Handle multibyte characters in string and character literals.
8454 (collect_expansion): See above.
8455 (skip_quoted_string): See above.
8456 (macroexpand): See above.
8457 (macarg1): See above.
8458 (discard_comments): See above.
8459 (change_newlines): See above.
8461 * c-lex.c (mbchar.h): #include it.
8462 (GET_ENVIRONMENT): New macro.
8463 (init_lex): Set character set based on LANG environment variable.
8464 (yylex): Handle multibyte characters in character literals.
8465 (yylex): Handle multibyte characters in string literals.
8467 * Makefile.in (mbchar.o): New target.
8468 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8469 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8471 * mbchar.[ch]: New files for multibyte character handling.
8473 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8475 * jump.c (jump_optimize): When simplifying noop moves and
8476 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8477 the PUSHes to rewrite in second loop as we did in the first.
8479 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8481 * cplus-dem.c (demangle_nested_args): Make function definition
8482 static to match the prototype.
8484 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8486 * alloca.c: Respect USE_C_ALLOCA.
8487 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8488 * gengenrtl.c (xmalloc): Likewise.
8490 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8492 * loop.h (struct induction): Add no_const_addval.
8493 * loop.c (the_movables, reg_address_cost): New variables.
8494 (init_loop): Init reg_address_cost.
8495 (loop_optimize): Call end_alias_analysis.
8496 (scan_loop): Init the_movables.
8497 (record_giv): Init induction->no_const_addval.
8498 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8499 [REG]: Rearrange loop search test to catch more cases.
8500 (general_induction_var): Return success not benefit; take an extra
8501 argument for that. Change all callers.
8502 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8503 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8504 [default]: Search the_movables for additional combinations.
8505 (sge_plus_constant, sge_plus): New functions.
8506 (express_from_1): New function.
8507 (express_from): Always define. Rewrite using express_from_1.
8508 (combine_givs_p): Handle more cases. Ignore address cost.
8509 (cmp_combine_givs_stats): New function.
8510 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8511 (combine_givs): Rewrite to do best-fit combination.
8513 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8514 (fold): Do a complete (A*C)+(B*C) association check.
8516 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8518 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8520 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8522 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8524 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8526 * tree.c (valid_machine_attribute): Only create a new type variant if
8527 there is a decl to use it.
8529 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8531 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8534 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8536 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8539 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8541 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8542 Simplify tests for clearing an address register.
8543 (expand_prologue): Corresponding changes.
8545 * mn10300.md (movXX patterns): Make sure the destination is an
8546 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8547 (logical patterns): Split into expanders + patterns
8548 (zero and sign extension patterns): Similarly.
8549 (shift patterns): Similarly.
8551 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8553 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8554 for the sequence, recording base values.
8556 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8558 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8560 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8562 * gcc.c: Remove ANSI-C ism from --help code.
8564 * toplev.c: Support --help with USE_CPPLIB.
8566 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8568 * configure.in: Rework gas feature code to work with symlink based
8571 * extend.texi: Clarify some issues related to local variables
8572 assigned to explicit registers.
8574 * mn10300.md (mulsi): Turn into expander + pattern.
8576 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8579 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8581 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8583 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8585 * version.c: Bump again to distinguish mainline tree from the
8588 See ChangeLog.0 for earlier changes.
8591 add-log-time-format: current-time-string
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