1 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * c-common.c (decl_attributes): Allow applying attribute `unused'
6 * c-parse.in (label): Parse attributes after a label, and call
7 `decl_attributes' to handle them.
9 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
11 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
12 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
14 * invoke.texi: Note that labels can be marked `unused'.
16 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
18 * version.c: Bump for snapshot.
20 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
22 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
23 RTL for a compare/jump sequence.
25 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
28 for a target with HAVE_cc0 defined.
29 (emit_cmp_and_jump_insns): New function.
30 * expr.h (emit_cmp_and_jump_insns): Prototype it.
31 * loop.c (check_dbra_loop): Use it to replace calls
32 to emit_cmp_insn and emit_jump_insn and to canonicalise
33 the comparison if necessary.
34 * unroll.c (unroll_loop): Likewise.
36 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
38 * fixincludes (sys/utsname.h): Provide forward declaration of
39 struct utsname on Ultrix V4.[35].
41 * mips.md (div_trap): Use local labels instead of dot-relative
44 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
46 * pa.md (branch, negated branch): Handle (const_int 0) as first
48 * pa.c (output_cbranch): Likewise.
50 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
52 * rs6000.c (rs6000_stack_info): Undo spurious part of last
55 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
57 * extend.texi (__builtin_constant_p): Add missing @smallexample.
59 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
61 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
63 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
65 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
66 (adddi_dishl32): Similarly.
68 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
69 for each insn in the skipped block.
71 * reload1.c (reload_as_needed): Verify that the insn satisfies its
72 constraints after replacing a register address with an autoincrement
73 address for reload inheritance purposes.
75 * i386.md (doubleword shifts): Avoid namespace pollution.
77 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
79 * configure.in (FreeBSD ELF): Needs special crt files.
81 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
83 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
85 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
87 * loop.c (check_dbra_loop): While reversing the loop, if the
88 comparison value has a VOID mode use the mode of the other operand
91 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
93 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
94 avoid warnings in compiling explow.c.
96 (patch from Ken Raeburn, raeburn@cygnus.com)
97 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
98 fpmem_offset. Compute total size after that, and then
99 rs6000_fpmem_offset using both values.
101 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
103 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
104 the future; indeed that already happens in some cases.
106 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
108 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
109 (arith_operand): Remove constant_p_rtx handling.
110 (const64_operand, const64_high_operand): Likewise.
111 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
112 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
113 (small_int_or_double, uns_small_int, zero_operand): Likewise.
114 * sparc.h (PREDICATE_CODES): Likewise.
116 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
118 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
120 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
121 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
122 consider constant CONSTRUCTOR constant and to defer some cases
124 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
125 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
127 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
129 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
130 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
132 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
133 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
134 (sext_add_operand, and_operand, or_operand): Likewise.
135 (reg_or_cint_operand, some_operand, input_operand): Likewise.
136 * alpha.h (PREDICATE_CODES): Likewise.
138 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
140 * version.c: Bump for snapshot.
142 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
144 * gengenrtl.c (gencode): Always use bzero to clear memory instead
145 of dangerous casts and stores.
147 * Makefile.in (compare, gnucompare): Add missing else true clauses.
149 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
151 * alpha.md (builtin_longjmp): Add missing "DONE".
153 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
155 * gcc.c (execute): Enable -pipe with win32.
157 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
159 * config/arm/t-arm-elf: Add multiplib option for leading
162 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
163 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
165 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
166 than variable 'reload_address_base_reg_class'. [Note this
167 change is unrelated to the others in this patch].
169 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
172 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
174 * alias.c (record_alias_subset): Remove ignored `&'.
175 (init_alias_once): Likewise.
177 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
179 * config/mips/mips.c (mips_asm_file_end): Cast the result of
180 fwrite to `int' when comparing against one.
182 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
183 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
185 * cse.c (rehash_using_reg): Change type of variable `i' to
188 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
191 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
193 * final.c (final_scan_insn): Likewise for variable `i'.
194 (output_asm_insn): Cast a char to unsigned char when used as an
197 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
200 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
202 * recog.c (preprocess_constraints): Cast a char to unsigned char
203 when used as an array index.
205 * regmove.c (find_matches): Likewise.
207 * reload1.c (calculate_needs): Add default case in switch.
208 (eliminate_regs_in_insn): Initialize variable `offset'.
209 (set_offsets_for_label): Change type of variable `i' to unsigned.
210 (reload_as_needed): Wrap variable `i' in macro check on
211 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
213 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
214 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
215 when comparing against one.
217 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
218 unsigned when comparing against one. Likewise for
219 GET_MODE_ALIGNMENT().
220 (layout_record): Cast record_align to int when comparing against a
222 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
225 * tree.c (get_identifier): Cast variable `len' to unsigned when
226 comparing against one.
227 (maybe_get_identifier): Likewise
229 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
231 * toplev.c (rest_of_compilation): Do not set reload_completed.
232 * reload1.c (reload): Set reload_completed before calling
233 cleanup_subreg_operands.
235 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
237 * reload1.c (emit_reload_insns): Check `set' not null before use.
239 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
241 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
244 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
246 * halfpic.c (half_pic_encode): Delete redundant code.
248 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
250 * toplev.c (main): Delete handling of -dM as a preprocessor
253 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
255 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
256 -dI, which are handled by the preprocessor.
258 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
260 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
261 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
263 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
265 * version.c: Bump for snapshot.
267 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
269 * version.c: Bump for snapshot.
271 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
273 * version.c: Bump for snapshot.
275 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
277 * genattr.c (fatal): Qualify a char* with the `const' keyword.
279 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
280 write_unit_name, write_eligible_delay, expand_units,
281 make_length_attrs, write_attr_case, find_attr,
282 make_internal_attr): Likewise.
283 * gencheck.c (tree_codes): Likewise.
284 * gencodes.c (fatal): Likewise.
285 * genconfig.c (fatal): Likewise.
286 * genemit.c (fatal): Likewise.
287 * genextract.c (fatal, walk_rtx, copystr): Likewise.
288 * genflags.c (fatal): Likewise.
289 * genopinit.c (fatal, optabs, gen_insn): Likewise.
290 * genoutput.c (fatal, error, predicates): Likewise.
291 * genpeep.c (fatal): Likewise.
292 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
293 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
295 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
297 * configure.in (with-fast-fixincludes): Fix whitespace.
298 * configure: Rebuilt.
300 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
301 asm() etc. function declarations in __DECC.
303 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
305 * expr.c (emit_move_insn_1): Only emit a clobber if the target
306 is a pseudo register.
308 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
310 * gcse.c: Include expr.h in order to get the prototype for
311 get_condition() which is used in delete_null_pointer_checks().
313 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
315 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
317 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
319 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
320 (ALL_CFLAGS): Delete SCHED_CFLAGS.
322 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
324 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
327 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
329 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
330 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
331 optimizations from the combiner.
333 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
335 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
337 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
339 * toplev.c (main): Disable optimize_size if a specific
340 optimization level is requested. Always set optimization
341 level to 2 if -Os is specified.
343 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
345 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
347 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
348 initialize it using fname.
350 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
352 * cpplib.c (do_include): Treat #include_next in the
353 primary source file as #include plus warning. Treat
354 #include_next in a file included by absolute path as an
355 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
357 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
359 * cccp.c: Don't define MIN/MAX anymore.
360 * cpplib.c: Likewise.
361 * machmode.h: Likewise.
362 * system.h: Provide definitions for MIN/MAX.
364 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
366 * fix-header.c: Don't define xstrdup here.
368 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
370 * loop.c (consec_sets_giv): New argument last_consec_insn.
371 (strength_reduce): Provide / use it.
373 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
375 * loop.h (loop_info): New field 'vtop'.
376 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
377 scanning loop for vtop.
378 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
379 (loop_iterations): Use them to determine if loop has a constant
380 number of iterations. Set loop_info->vtop. Don't subtract
381 common reg term from initial_value and final_value if have a
384 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
386 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
388 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
390 * mn10200.md (abssf2, negsf2): New expanders.
392 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
394 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
396 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
397 replaced by a CONCAT whoes components do not have the same
398 mode as the original SUBREG, use a new SUBREG to restore the
401 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
402 multiword complex values.
404 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
406 * cppalloc.c: Add xstrdup here.
407 * cpplib.h: Remove savestring prototype.
408 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
410 * cppfiles.c: s/savestring/xstrdup/ throughout.
412 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
414 * cpplib.c: Make all directive handlers read their own
416 (struct directive): Remove last two arguments from FUNC
417 member prototype. Remove `command_reads_line' member
419 (directive_table): Remove initializations of
420 command_reads_line flag. Pretty-print.
421 (eval_if_expression, do_define, do_line, do_include,
422 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
423 do_else, do_elif, do_sccs, do_assert, do_unassert,
424 do_warning): Take only two args.
426 (cpp_define): Call do_define with two args and the text to
427 define stuffed into a buffer.
428 (make_assertion): Call do_assert with two args.
429 (handle_directive): Call do_line with two args. Call
430 kt->func with two args. Remove command_reads_line
432 (do_define, do_undef, do_error, do_warning, do_pragma,
433 do_sccs): Read the rest of the line here.
434 (do_ident): Gobble rest of line, as cccp does.
435 (cpp_undef): New function.
436 (cpp_start_read): Call cpp_undef instead of do_undef.
438 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
440 * cpphash.h (union hash_value): Remove `keydef' member, add a
441 `struct hashnode *aschain' member for #assert.
443 * cpplib.c (struct tokenlist_list, struct
444 assertion_hashnode): Delete structure definitions.
445 (assertion_install, assertion_lookup, delete_assertion,
446 check_assertion, compare_token_lists, reverse_token_list,
447 read_token_list, free_token_list): Delete functions.
448 (parse_assertion): New function.
449 (cpp_cleanup): Don't destroy the assertion_hashtable.
451 (do_assert): Gut and rewrite. #assert foo (bar) places
452 entries for `#foo' and `#foo(bar)' in the macro hash table,
453 type T_ASSERT. The value union's `aschain' member is used
454 to chain all answers for a given predicate together.
455 (do_unassert): Also rewritten. Take an un-asserted
456 answer off the chain from its predicate and call
457 delete_macro on the hashnode, or walk a predicate chain
458 calling delete_macro on all the entries.
459 (cpp_read_check_assertion): Simply call parse_assertion to
460 get the canonical assertion name, and look that up in the
463 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
466 * cpphash.c (install): Use bcopy instead of an explicit loop
467 to copy the macro name.
469 * cppexp.c (cpp_lex): Convert the result of
470 cpp_read_check_assertion to a `struct operation' directly;
471 don't go through parse_number.
473 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
475 * loop.h (struct induction): Delete times_used member.
476 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
477 (n_times_used): Rename to n_times_set. Changed all users.
478 (scan_loop): Free reg_single_usage before strength reduction.
479 (record_giv, combine_givs): Remove handling of times_used member.
480 (combine_givs_used_once): Rename to:
481 (combine_givs_used_by_other) . Changed all callers.
483 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
485 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
486 instead of TREE_CODE_CLASS == 't'.
487 (gen_type_die): Likewise.
488 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
490 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
492 * real.c (endian): Disable last change unless
493 HOST_BITS_PER_WIDE_INT is greater than 32.
495 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
497 * output.h (force_data_section): New prototype.
498 * varasm.c (force_data_section): New function to force the
499 data section, regardless of what in_section thinks.
500 * dwarf2out.c (output_call_frame_info): Call force_data_section
501 since varasm may not realize we've changes sections.
503 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
505 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
506 after completeing reload.
508 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
509 deleted after reload.
511 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
513 * rtl.h (multiple_sets): Fix prototype.
514 * rtlanal.c (multiple_sets): Fix return type.
516 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
518 * version.c: Bump for snapshot.
520 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
522 * version.c: Bump for snapshot.
524 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
526 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
528 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
530 * rtl.h (recompute_reg_usage): Add second argument.
531 * flow.c (recompute_reg_usage): Likewise.
532 * toplev.c (rest_of_compilation): Supply second argument to
535 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
538 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
540 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
541 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
542 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
545 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
547 * rtlanal.c (multiple_sets): New function.
548 * rtl.h (multiple_sets): Declare it.
549 * local-alloc.c (wipe_dead_reg): Use it.
550 * global.c (global_conflicts): Likewise.
552 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
554 * global.c (record_conflicts): Don't use an array of shorts to
555 store an array of ints.
556 (global_conflicts): Likewise.
558 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
560 * alpha.c (alpha_expand_block_move): mode_for_size expects
561 bits, not bytes. Infer extra alignment from addressof.
563 1998-12-11 Michael Meissner <meissner@cygnus.com>
565 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
566 .sbss section, not .sdata.
568 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
570 * cccp.c: Do not #include <sys/stat.h> here; this is already done
572 * collect2.c: Likewise.
573 * cpplib.h: Likewise.
576 * getpwd.c: Likewise.
577 * protoize.c: Likewise.
578 * toplev.c: Likewise.
580 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
581 and don't try to define it here.
582 * Makefile.in (cppmain.o): Depend on machmode.h.
583 (cpplib.o): Likewise.
584 (cpperror.o): Likewise.
585 (cppexp.o): Likewise.
586 (cppfiles.o): Likewise.
587 (cpphash.o): Likewise.
588 (cppalloc.o): Likewise.
589 (fix-header.o): Likewise.
590 (scan-decls.o): Likewise.
592 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
594 * sh.c (print_operand): lookup interrupt_handler attribute instead
595 of relying on static variable.
596 * (calc_live_regs): Likewise.
597 * (sh_pragma_insert_attributes): Create interrupt_handler
598 attribute if a pragma was specified
599 * (sh_valid_machine_decl_attribute): Don't set static flag.
600 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
602 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
604 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
605 to determine if a register is live at a jump destination.
606 Everything is dead at a BARRIER.
608 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
610 * cse.c (simplify_unary_operation): Sign-extend constants when
611 they have the most significant bit set for the target.
612 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
614 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
615 HOST_WIDE_INT temporary before negating it.
616 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
618 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
620 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
623 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
625 * collect2.h: New header file for prototypes.
627 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
629 * collect2.c: Include collect2.h.
632 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
634 * flow.c: Update some comments.
636 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
638 * objc/objc-act.c (cpp_initialized): Removed.
639 (lang_init_options): Initialize cpplib.
640 (lang_decode_option): Move initialization of cpplib to
642 * c-lang.c: (parse_options,parse_in): Added.
643 (lang_init_options): Initialized cpplib here.
644 * c-decl.c (parse_options,cpp_initialized): Removed.
645 (c_decode_option): Move initialization of cpplib to
648 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
650 * reload1.c (reload_combine, reload_combine_note_store):
651 Make STORE_RUID always valid.
652 (reload_combine): Check if BASE is clobbered too early.
654 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
656 * reload.c (find_reloads): Display the insn that cannot be
659 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
661 * cccp.c (create_definition): Fix end of bufer logic.
663 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
665 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
666 pointer parameters changed to use the PARAMS() macro.
668 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
670 * except.h (struct handler_info): Add handler_number field.
671 * except.c (gen_exception_label): EH labels no longer need to be
672 on the permanent obstack.
673 (get_new_handler): Set the label number field.
674 (output_exception_table_entry): Regenerate handler label reference
675 from the label number field.
676 (init_eh): Remove a blank line.
677 * integrate.c (get_label_from_map): Labels no longer need to be
678 on the permanent obstack.
680 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
682 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
683 only when OUTER_CODE is SET.
685 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
687 * loop.c (strength_reduce): If scan_start points to the loop exit
688 test, be wary of subversive use of gotos inside expression statements.
689 Don't set maybe_multiple for a backward jump that does not
690 include the label under consideration into its range.
691 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
693 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
695 * explow.c (plus_constant_wide): Don't immediately return with
696 result of recursive call.
698 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
700 * eh-common.h (struct eh_context): Add table_index for rethrows.
702 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
703 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
704 processed when inlined or unrolled (ie duplicated in some way).
706 * rtl.c (reg_note_name): Add strings for new reg_note enums.
708 * expr.h (rethrow_libfunc): New library decl.
710 * optabs.c (rethrow_libfunc): Initialize.
712 * except.h (struct eh_entry): Add new field 'rethrow_label'.
713 (new_eh_region_entry): No longer exported from except.c.
714 (duplicate_handlers): Renamed to duplicate_eh_handlers and
716 (rethrow_symbol_map, rethrow_used): New exported functions.
717 (eh_region_from_symbol): New exported function.
719 * except.c (create_rethrow_ref): New function to create a single
720 SYMBOL_REF for a rethrow region.
721 (push_eh_entry): Initialize a rethrow ref.
722 (func_eh_entry): Add a rethrow_label field.
723 (new_eh_region_entry): Make static, and initialize the rethrow entry.
724 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
725 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
726 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
727 a region into an appropriate new symbol.
728 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
729 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
730 (end_catch_handler): Emit a barrier for new-exceptions since
731 control can never drop through the end of a catch block.
732 (expand_end_all_catch): new-exceptions never fall through a catch
734 (expand_rethrow): use __rethrow routine for new exceptions.
735 (output_exception_table_entry): Generate rethrow labels, if needed.
736 (output_exception_table): Generate start and end rethrow labels.
737 (init_eh): Create rethrow symbols for beginning and end of table.
738 (scan_region): Don't eliminate EH regions which are the targets of
741 * flow.c (make_edges): Add different edges for rethrow calls,
742 identified by having the REG_EH_RETHROW reg label.
743 (delete_unreachable_blocks): Don't delete regions markers which are
744 the target of a rethrow.
746 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
747 allow save_for_inline_copying to call duplicate_eh_handlers.
748 (save_for_inline_copying): Call duplicate_eh_handlers instead of
749 exposing internal details of exception regions.
750 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
751 (expand_inline_function_eh_labelmap): New callback routine to
752 allow expand_inline_function to call duplicate_eh_handlers.
753 (expand_inline_function): Call duplicate_eh_handlers instead of
754 exposing internal details of exception regions.
755 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
758 * libgcc2.c (find_exception_handler): Generalize to enable it to
759 pick up processing where it left off last time for a rethrow.
760 (__unwinding_cleanup): New function. debug hook which is called before
761 unwinding when __throw finds there is nothing but cleanups left.
762 (throw_helper): Common parts of __throw extracted out for reuse.
763 (__throw): Common parts moved to throw_helper.
764 (__rethrow): New function for performing rethrows.
766 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
768 * reload1.c (current_function_decl): Tweak declaration.
770 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
772 * c-decl.c (flag_isoc9x): Default off.
773 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
774 * cccp.c (print_help, main): Likewise.
775 * gcc.c (default_compilers): Update for -std=gnu*.
777 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
779 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
780 * demangle.h: Deleted.
782 * reload1.c (current_function_decl): Declare.
784 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
786 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
788 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
790 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
792 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
794 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
796 * configure: Rebuilt.
797 * system.h: If the *_unlocked functions are available use them
798 instead of the locked counterparts by defining macros.
799 * config.in: Regenerated.
801 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
803 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
804 wrong and should only be used for dump related things, not
805 debugging information, instead main_input_filename should be used.
806 Also, reuse output_file_directive if possible.
807 * i386/aix386ng.h (ASM_FILE_START): Likewise.
808 * i386/isc.h (ASM_FILE_START): Likewise.
809 * i386/win-nt.h (ASM_FILE_START): Likewise.
810 * i386/sun386.h (ASM_FILE_START): Likewise.
812 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
814 * configure.in (mips*-*-linux*): Handle big and little endian
816 * configure: Rebuilt.
818 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
820 * emit-rtl.c: Fix typo.
822 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
824 * reload1.c (eliminate_regs): Don't do anything, if we're not
827 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
829 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
831 * mips/mips.c (mips_select_section): Add comment.
833 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
835 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
836 characters in file names in #line to be consistent with #include
837 handling. We support escape prcessing in the # 1 "..." version of
838 the command. See also support in cp/lex.c.
839 (handle_directive): Likewise.
842 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
844 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
845 so it'll work on non-ASCII platforms. Always consider $ an
846 identifier character. Take no arguments.
847 (cpp_reader_init): Call initialize_char_syntax with no
849 (cpp_start_read): Don't call initialize_char_syntax again.
850 Clear is_idchar['$'] and is_idstart['$'] if not
851 opts->dollars_in_ident.
853 * cpplib.h (struct cpp_reader): Replace void *data element by
854 cpp_options *opts. Rearrange elements to make gdb printout
855 less annoying (put buffer stack at end).
856 (CPP_OPTIONS): Get rid of now-unnecessary cast.
858 * cppmain.c: s/data/opts/ when initializing cpp_reader
860 * c-decl.c: Likewise.
861 * objc/objc-act.c: Likewise.
862 * fix-header.c: Likewise.
864 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
866 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
867 with a struct file_name_list pointer.
868 (struct cpp_reader): Add pointer to chain of `actual
869 directory' include searchpath entries.
870 (struct file_name_list): Add *alloc pointer for the sake of
871 the actual-directory chain.
873 Move definition of HOST_WIDE_INT here.
874 (cpp_parse_escape): Change prototype to match changes in
877 * cppfiles.c (actual_directory): New function.
878 (finclude): Use it to initialize the buffer's actual_dir
880 (find_include_file): We don't need to fix up max_include_len
883 * cpplib.c (do_include): Don't allocate a file_name_list on
884 the fly for current directory "" includes, use the one that's
885 been preallocated in pfile->buffer->actual_dir. Hoist out
886 duplicate code from the search_start selection logic.
887 (cpp_reader_init): Initialize pfile->actual_dirs.
889 Remove definition of HOST_WIDE_INT. Change calls
890 to cpp_parse_escape to match changes in cppexp.c (note
891 hardcoded MASK, which is safe since this is the source
894 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
895 to handle wide character constants in #if directives. The
896 function now returns a HOST_WIDE_INT, and takes a third
897 argument which is a binary mask for all legal values (0x00ff
898 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
899 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
900 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
902 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
904 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
906 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
908 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
909 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
910 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
912 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
914 * final.c (output_asm_name): Use tabs to seperate comments from
917 Include instruction lengths (if defined) in output.
919 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
921 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
922 in the loop_info structure.
924 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
926 * configure.in: (arm*-*-ecos-elf): New target.
927 * configure: Regenerated.
928 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
929 * config/arm/ecos-elf.h: New file.
930 * config/arm/unknown-elf.h (TARGET_VERSION): Check
933 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
935 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
937 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
939 * version.c: Bump for snapshot.
941 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
943 * loop.c (check_dbra_loop): New argument loop_info. Update fields
946 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
948 * version.c: Bump for snapshot.
950 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
952 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
953 compressed reports are ok and preferred over URLs
955 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
957 * invoke.texi (Warning Options): Soften the tone of -pedantic
959 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
961 * print-rtl.c (print_rtx): Add prototype.
963 * unroll.c (iteration_info): Make it static.
965 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
967 * alias.c (memrefs_conflict_p): A second ANDed address
968 disables the aligned address optimization.
970 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
972 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
975 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
977 * i960.h (BOOL_TYPE_SIZE): Define.
979 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
981 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
982 from old valid_parallel_operands_4.
983 (valid_parallel_operands_4): Check that operands for 4 operand
984 parallel insns are valid, excluding load/store insns.
985 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
986 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
987 valid_parallel_load_store instead of valid_parallel_operands_4.
988 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
989 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
990 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
991 *notqi_movqi_clobber): Use valid_parallel_operands_4.
992 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
993 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
994 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
996 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
998 * config/c4x/c4x.c (iteration_info): Delete extern.
1000 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1002 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1004 * final.c (cleanup_subreg_operands): Delete some unused code.
1006 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1007 (struct insn_alternative): New structure definition.
1008 (recog_op_alt): Declare variable.
1009 (preprocess_constraints): Declare function.
1010 * recog.c (recog_op_alt): New variable.
1011 (extract_insn): Verify number of alternatives is in range.
1012 (preprocess_constraints): New function.
1013 * reg-stack.c: Include recog.h.
1014 (constrain_asm_operands): Delete.
1015 (get_asm_operand_lengths): Delete.
1016 (get_asm_operand_n_inputs): New function.
1017 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1018 N_OUTPUTS args. All callers changed.
1019 Compute number of inputs and outputs here by calling
1020 get_asm_operand_n_inputs.
1021 Instead of constrain_asm_operands, call extract_insn,
1022 constrain_operands and preprocess_constaints. Use information
1023 computed by these functions throughout.
1024 (record_reg_life): Delete code that is unused due to changes in
1025 record_asm_reg_life.
1026 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1027 N_INPUTS and N_OUTPUTS args. All callers changed.
1028 Similar changes as in record_asm_reg_life.
1029 (subst_stack_regs): Move n_operands declaration into the if statement
1031 Delete code that is unused due to changes in subst_asm_stack_regs.
1032 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1034 * Makefile.in (reg-stack.o): Depend on recog.h.
1036 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1038 * except.c (set_exception_version_code): Argument is an "int".
1040 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1042 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1043 * configure: Rebuilt.
1045 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1047 * configure.in (mipsel-*-linux*): New target.
1048 * mips/linux.h: New file, based on other Linux targets.
1050 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1052 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1053 runs in the context of the deleter, not the deletee, so we must
1054 use taskVarGet to find the correct memory to free.
1055 (__gthread_key_create): Initialize the task
1056 variable subsystem so that the task variable is still active when
1057 the delete hook is run.
1059 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1061 * pdp11.h: Use optimize_size for space optimizations.
1062 * pdp11.c: Likewise.
1063 * pdp11.md: Likewise.
1065 * pdp11.h (TARGET_40_PLUS): Fix typo.
1067 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1069 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1072 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1074 * alias.c (addr_side_effect_eval): New function.
1075 (memrefs_conflict_p): Use it.
1076 * rtl.h (addr_side_effect_eval): Prototype it.
1078 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1080 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1082 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1084 * reload.c (find_reloads): When force const to memory, put result
1085 in substed_operand not *recog_operand_loc.
1087 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1089 * c-lex.c: Fix indentation from last patch.
1090 Remove trailing whitespace.
1093 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1095 * flow.c (delete_block): Call set_last_insn after we have reset
1096 NEXT_INSN (kept_tail).
1098 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1100 * mips.md (trap_if): Use "$0" for the value zero.
1102 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1103 Stephen L Moshier <moshier@world.std.com>
1104 Richard Henderson <rth@cygnus.com>
1106 * c-common.c (declare_function_name): Declare predefinied variable
1109 * c-decl.c (flag_isoc9x): Set to 1 by default.
1110 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1111 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1113 * c-parse.in: Allow constructors in ISO C 9x.
1114 Rewrite designator list handling.
1115 Allow [*] parameters.
1116 Don't warn about comma at end of enum definition for ISO C 9x.
1118 * cccp.c (c9x): New variable.
1119 (rest_extension): New variable.
1120 (print_help): Document new -std= option.
1121 (main): Recognize -std= option. Set c9x appropriately.
1122 (create_definition): Recognize ISO C 9x vararg macros.
1124 * gcc.c (default_compilers): Adjust specs for -std options.
1125 (option_map): Add --std.
1126 (display_help): Document -std.
1128 * toplev.c (documented_lang_options): Add -std and remove
1131 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1132 or REAL_VALUE_HTOF based on base of the constants.
1133 * fold-const.c (real_hex_to_f): New function. Replacement function
1134 for hex FP conversion if REAL_ARITHMETIC is not defined.
1135 * real.c (asctoeg): Add handling of hex FP constants.
1136 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1139 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1141 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1142 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1143 expansion. Use hi/lo as destination register.
1145 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1146 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1147 Avoid as macro expansion. Use hi/lo as destination register.
1149 * mips.h (MASK_CHECK_RANGE_DIV): New.
1150 (MASK_NO_CHECK_ZERO_DIV): New.
1151 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1152 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1153 return address for leaf functions out of r31 to support
1154 builtin_return_address.
1156 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1158 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1159 NEXT_INSN(x) to check insn x.
1161 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1163 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1164 last insn in the rtl chain.
1166 * reload1.c (reload): Do not set reload_completed or split insns
1168 * toplev.c (rest_of_compilation): Set reload_completed after
1169 reload returns. Split insns after reload_cse has run.
1171 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1173 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1175 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1177 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1179 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1181 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1182 use of user-label_prefix.
1184 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1186 * reload1.c (emit_reload_insns): Clear spill_reg_store
1187 when doing a new non-inherited reload from the same pseudo.
1189 * local-alloc.c (function_invariant_p): New function.
1190 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1191 to decide if an equivalence should be recorded.
1192 * reload1.c (num_eliminable_invariants): New static variable.
1193 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1194 to decide if an equivalence should be recorded.
1196 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1197 Take num_eliminable_invariants into account when deciding
1198 if register elimination should be done.
1199 (reload_as_needed): Take num_eliminable_invariants into account
1200 when deciding if register elimination should be done.
1201 (eliminate_regs): Handle non-constant reg_equiv_constant.
1202 * rtl.h (function_invariant_p): Declare.
1204 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1206 * version.c: Bump for snapshot.
1208 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1210 * version.c: Bump for snapshot.
1212 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1214 * except.c (add_new_handler): Complain about additional handlers
1215 after one that catches everything.
1217 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1219 * configure.in (alpha*-*-netbsd): Fix typo.
1220 * configure: Rebuilt.
1222 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1224 * system.h: Include libiberty.h.
1226 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1227 function `concat' from fixed parameters to variable parameters,
1228 as is done in libiberty. All callers of concat/concat3
1229 changed to use the new `concat' with variable args.
1231 * cccp.c: Remove things made redundant by libiberty.h and/or
1232 conform to libiberty standards.
1234 * collect2.c: Likewise.
1235 * config/1750a/1750a.h: Likewise.
1236 * cppalloc.c: Likewise.
1237 * cppexp.c: Likewise.
1238 * cppfiles.c: Likewise.
1239 * cpphash.c: Likewise.
1240 * cpplib.c: Likewise.
1241 * dyn-string.c: Likewise.
1242 * fix-header.c: Likewise.
1245 * genattr.c: Likewise.
1246 * genattrtab.c: Likewise.
1247 * gencheck.c: Likewise.
1248 * gencodes.c: Likewise.
1249 * genconfig.c: Likewise.
1250 * genemit.c: Likewise.
1251 * genextract.c: Likewise.
1252 * genflags.c: Likewise.
1253 * gengenrtl.c: Likewise.
1254 * genopinit.c: Likewise.
1255 * genoutput.c: Likewise.
1256 * genpeep.c: Likewise.
1257 * genrecog.c: Likewise.
1258 * getpwd.c: Likewise.
1259 * halfpic.c: Likewise.
1261 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1262 in NEED_DECLARATION_* macros.
1264 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1265 conform to libiberty standards.
1266 (fatal): Fix const-ification of variable `format' in
1267 !ANSI_PROTOTYPES case.
1269 * prefix.c: Remove things made redundant by libiberty.h and/or
1270 conform to libiberty standards.
1272 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1273 conflicting with function `spaces' from libiberty.
1275 * profile.c: Remove things made redundant by libiberty.h and/or
1276 conform to libiberty standards.
1277 * protoize.c: Likewise.
1280 * tlink.c: Likewise.
1281 * toplev.c: Likewise.
1282 * toplev.h: Likewise.
1285 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1287 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1289 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1291 * README.C4X: Updated URLs.
1292 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1293 (valid_parallel_operands_5): Remove unused variable.
1295 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1297 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1299 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1301 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1302 which can be configured.
1303 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1304 (Makefile): Pass actual LANGUAGES through the environment when
1306 (cstamp-h): Likewise.
1307 (config.status): Likewise.
1309 * configure.in (enable_languages): Add new configuration parameter
1310 "--enable-languages=lang1,lang2,...".
1311 (${srcdir}/*/config-lang.in): Change handling to configure only
1312 those directories, that the user might have enabled; default to
1313 "all" existing languages.
1314 * configure: Regenerate.
1316 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1318 * rtlanal.c (regs_set_between_p): New function.
1319 * rtl.h (regs_set_between_p): Prototype it.
1320 * jump.c (jump_optimize): Use it instead of modified_between_p
1321 in the Sep 2 change.
1323 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1324 Matthias Pfaller <leo@dachau.marco.de>
1326 * invoke.texi (Option Summary, NS32K Options): add description
1327 of NS32K specific options.
1329 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1330 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1331 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1332 negdf2, absdf2): Use l instead of f since the double class and
1333 float class are no longer the same.
1334 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1335 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1336 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1337 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1339 (cmpsi, cmphi, cmpqi): use general_operand instead of
1340 non_immediate_operand. Removes erroneous assumption that can't
1342 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1343 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1345 (movstrsi, movstrsi1, movstrsi2): completely new block move
1347 (...): Patterns to exploit multiply-add instructions.
1348 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1349 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1350 patterns to exploit extended divide insns.
1351 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1354 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1355 float return values as well as simple scalar floats.
1356 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1357 support new flag to denote 32381 fpu.
1358 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1359 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1361 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1362 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1363 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1364 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1365 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1366 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1367 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1368 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1369 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1370 fpu registers and special register classes for new 32381
1371 instructions dotf and polyf.
1372 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1374 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1375 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1377 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1378 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1379 (REGISTER_MOVE_COST): move code to register_move_cost function for
1380 ease of coding and debugging.
1381 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1382 LONG_FLOAT_REGO is likely spilled but not caught by default
1384 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1385 instead of hard coded numbers in range check.
1386 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1387 (...): Add prototypes for functions in ns32k.c but disable because
1388 of problems when ns32k.h is included in machine independant files.
1390 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1391 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1392 hard_regno_mode_ok, secondary_reload_class,
1393 print_operand, print_operand_address): new register scheme to
1394 include 32381 fpu registers and special register classes for new
1395 32381 instructions dotf and polyf.
1396 (gen_indexed_expr): Make static to keep namespace clean.
1397 (check_reg): remove since never called.
1398 (move_tail, expand_block_move): helper functions for "movstrsi"
1400 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1401 Increase cost of moves which go via memory.
1402 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1403 (CPP_PREDEFINES): nolonger predefine "unix".
1405 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1406 Remove erroneous %$. print_operand() can work out from the rtx is
1407 an immediate prefix is required.
1409 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1410 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1411 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1413 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1416 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1417 Correct handling of pic operands.
1418 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1419 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1420 -mrtd calling convention.
1422 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1424 * gcc.c (option_map): Recognize --output-class-directory.
1426 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1428 * loop.h (precondition_loop_p): Added new mode argument.
1429 * unroll.c (precondition_loop_p): Likewise.
1430 (approx_final_value): Function deleted and subsumed
1431 into loop_iterations.
1432 (loop_find_equiv_value): New function.
1433 (loop_iterations): Use loop_find_equiv_value to find increments
1434 too large to be immediate constants. Also use it to find terms
1435 common to initial and final iteration values that can be removed.
1437 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1439 * loop.h (struct loop_info): Define new structure.
1440 (precondition_loop_p): Added prototype.
1441 (unroll_loop): Added new argument loop_info to prototype.
1442 (final_biv_value, final_giv_value): Added new argument n_iterations
1444 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1445 and new pointer loop_info.
1446 (loop_n_iterations): Replace global variable by element in
1447 loop_info structure.
1448 (check_final_value): New argument n_iterations.
1449 (insert_bct): New argument loop_info.
1450 (loop_unroll_factor): Replace global array by element in
1451 loop_info structure.
1452 (loop_optimize): Remove code to allocate and initialise
1453 loop_unroll_factor_array.
1454 * unroll.c (precondition_loop_p): No longer static since
1455 used by branch on count optimization.
1456 (precondition_loop_p, unroll_loop): New argument loop_info.
1457 (final_biv_value, final_giv_value, find_splittable_regs): New
1458 argument n_iterations.
1459 (loop_iteration_var, loop_initial_value, loop_increment,
1460 loop_final_value, loop_comparison_code, loop_unroll_factor):
1461 Replaced global variables by loop_info structure.
1462 (loop_unroll_factor): Replace global array by element in
1463 loop_info structure.
1465 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1467 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1470 * unroll.c (precondition_loop_p): Return loop_initial_value
1471 for initial_value instead of loop_iteration_var.
1473 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1475 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1476 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1477 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1478 to output the instruction sequences.
1480 (rptb_top): Provide alternatives to use any register or memory
1482 (rptb_end): Emit use of operands rather than assigning them
1483 explicitly to the RS and RE registers.
1485 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1487 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1488 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1489 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1490 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1491 c4x_merge_notes, c4x_parallel_process,
1492 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1493 c4x_combine_parallel): Delete.
1495 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1497 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1498 with old target options clear flag_branch_on_count_reg if
1499 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1501 (c4x_output_cbranch): Handle a sequence of insns rather than a
1503 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1504 has not been allocated as the loop counter.
1505 (c4x_address_conflict): Do not allow two volatile memory references.
1506 (valid_parallel_operands_4, valid_parallel_operands_5,
1507 valid_parallel_operands_6): Reject pattern if the register destination
1508 of the first set is used as part of an address in the second set.
1510 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1512 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1513 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1514 is no longer enabled if PARALLEL_MPY_FLAG set.
1515 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1516 (REG_CLASS_CONTENTS): Add braces around initializers.
1517 (HAVE_MULTIPLE_PACK): Define.
1518 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1519 REAL_VALUE_TO_DECIMAL.
1520 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1521 REAL_VALUE_TO_DECIMAL.
1522 (ar0_reg_operand): Add prototype.
1523 (ar0_mem_operand): Likewise.
1524 (ar1_reg_operand): Likewise.
1525 (ar1_mem_operand): Likewise.
1526 (ar2_reg_operand): Likewise.
1527 (ar2_mem_operand): Likewise.
1528 (ar3_reg_operand): Likewise.
1529 (ar3_mem_operand): Likewise.
1530 (ar4_reg_operand): Likewise.
1531 (ar4_mem_operand): Likewise.
1532 (ar5_reg_operand): Likewise.
1533 (ar5_mem_operand): Likewise.
1534 (ar6_reg_operand): Likewise.
1535 (ar6_mem_operand): Likewise.
1536 (ar7_reg_operand): Likewise.
1537 (ar7_mem_operand): Likewise.
1538 (ir0_reg_operand): Likewise.
1539 (ir0_mem_operand): Likewise.
1540 (ir1_reg_operand): Likewise.
1541 (ir1_mem_operand): Likewise.
1542 (group1_reg_operand): Likewise.
1543 (group1_mem_operand): Likewise.
1544 (ir1_reg_operand): Likewise.
1545 (arx_reg_operand): Likewise.
1546 (not_rc_reg): Likewise.
1547 (not_modify_reg): Likewise.
1548 (c4x_group1_reg_operand): Remove prototype.
1549 (c4x_group1_mem_operand): Likewise.
1550 (c4x_arx_reg_operand): Likewise.
1552 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1554 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1555 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1557 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1559 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1562 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1564 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1565 unless FMOVD_WORKS is defined.
1567 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1569 * regclass.c (init_reg_sets): Move code that calculates tables
1570 dependent on reg_class_contents from here...
1571 (init_reg_sets_1): To here.
1573 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1575 * cpplib.h: Delete struct import_file. Add ihash element to
1576 struct cpp_buffer. Delete dont_repeat_files and
1577 import_hash_table elements from cpp_reader; change
1578 all_include_files to a hash table. Delete all foobar_include
1579 / last_foobar_include elements from struct cpp_options; put
1580 back four such: quote_include, bracket_include,
1581 system_include, after_include. Redo struct file_name_list
1582 completely. Add new structure type include_hash. Add
1583 prototypes for merge_include_chains and include_hash. Change
1584 prototypes for finclude, find_include_file, and
1585 append_include_chain to match changes below.
1587 * cppfiles.c (simplify_pathname, include_hash,
1588 remap_filename, merge_include_chains): New functions.
1589 (add_import, lookup_import, open_include_file): Removed.
1590 (INO_T_EQ): Define this (copied from cccp.c).
1591 (hack_vms_include_specification): Remove all calls and #if 0
1592 out the definition. It was being called incorrectly and at
1593 the wrong times. Until a VMSie can look at this, it's better
1594 to not pretend to support it.
1595 (append_include_chain): Change calling convention; now takes
1596 only one directory at a time, and sets up the data structure
1598 (redundant_include_p): Rewritten - this is now used for all
1599 include redundancy, whether by #ifndef, #import, or #pragma
1600 once. Looks up things in the include hash table.
1601 (file_cleanup): Decrement pfile->system_include_depth here if
1603 (find_include_file): Calling convention changed; now passes
1604 around a struct include_hash instead of 3 separate parameters.
1605 Guts ripped out and replaced with new include_hash mechanism.
1606 (finclude): Calling convention changed as for
1607 find_include_file. Error exits pulled out-of-line. Reformat.
1608 (safe_read): Return a long, not an int.
1609 (deps_output): Don't recurse.
1611 * cpplib.c (is_system_include): Deleted.
1612 (path_include): Fix up call to append_include_chain.
1613 (do_include): Fix up calls to find_include_file and finclude.
1614 Clean up dependency output a bit. Shorten obnoxiously lengthy
1615 #import warning message. Don't decrement
1616 pfile->system_include_depth here.
1617 (do_pragma): Understand the include_hash structure. Reformat.
1618 (do_endif): Correct handling of control macros. Understand
1620 (cpp_start_read): Fix up calls to finclude. Call
1621 merge_include_chains.
1622 (cpp_handle_option): Fix up calls to append_include_chain.
1623 Understand the four partial include chains.
1624 (cpp_finish): Add debugging code (#if 0-ed out) for the
1626 (cpp_cleanup): Free the include_hash, not the import hash and
1627 the all_include and dont_repeat lists which no longer exist.
1629 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1631 * toplev.c (no_new_pseudos): Define.
1632 (rest_of_compilation): Set no_new_pseudos as needed.
1633 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1634 if no_new_pseudos is set.
1635 * rtl.h (no_new_pseudos): Declare it.
1636 * reload1.c (reload): Update comments.
1637 * md.texi: Corresponding changes.
1639 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1641 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1642 (choose_reload_regs): Rename it here as well. When computing it,
1643 also merge in used hardregs.
1645 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1647 * gcc.c: Split out Objective-C specs to...
1648 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1651 * c-lex.c (init_parse): Always initialize the filename global.
1652 * objc/objc-act.c (lang_init): Always call check_newline at
1655 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1657 * reload1.c (reload): Remove unused variable.
1658 (reload_reg_free_for_value_p): Add missing parameter definition.
1660 * jump.c (jump_optimize): Remove unused variable.
1662 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1664 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1666 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1668 * expr.c (move_by_pieces): Similarly.
1669 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1670 * flow.c (find_auto_inc): Similarly.
1671 (try_pre_increment): Similarly.
1672 * loop.c (strength_reduce): Similarly.
1673 * regclass.c (auto_inc_dec_reg_p): Similarly.
1674 * regmove.c (try_auto_increment): Similarly.
1675 (fixup_match_1): Similarly.
1676 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1677 (HAVE_PRE_DECREMENT): Similarly.
1678 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1679 * Corresponding changes to all target header files.
1680 * tm.texi: Update docs for autoinc addressing modes.
1682 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1684 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1685 * configure: Rebuild.
1686 * config/elfos.h: New file.
1687 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1688 config/m68k/t-m68kelf: New file.
1690 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1692 * Makefile.in (HOST_AR): Define.
1693 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1694 (libcpp.a): Use the host tools explicitly.
1695 (STAGESTUFF): Add libcpp.a.
1697 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1699 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1700 to source and destination registers.
1702 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1704 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1705 The strategy we now use is to pre allocate the top_elt along
1706 with the EH context so that each thread has its own top_elt.
1707 This is necessary as the dynmanic cleanup chain is used on the
1708 top element of the stack and each thread MUST have its own.
1709 (eh_context_static): Likewise.
1710 (new_eh_context): Likewise.
1711 (__sjthrow): Likewise.
1713 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1715 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1716 * i386.md (prologue_get_pc): Remove unused variable.
1718 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1720 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1722 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1724 * Makefile.in (OBJS): Add graph.o
1725 (graph.o): New dependency list.
1726 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1727 * print-rtl.c (dump_for_graph): Define new variable.
1728 (print_rtx): Rewrite to allow use in graph dumping functions.
1729 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1730 finish_graph_dump_file.
1731 Define graph_dump_format.
1732 (compile_file): If graph dumping is enabled also clear these files.
1733 Finish graph dump files.
1734 (rest_of_compilation): Also dump graph information if enabled.
1735 (main): Recognize -dv to enabled VCG based graph dumping.
1736 * graph.c: New file. Graph dumping functions.
1738 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1740 * configure.in: Look for <sys/stat.h>.
1741 * system.h: Include it before substitute S_ISREG definitions.
1743 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1745 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1746 * config/mips/iris6.h: Same.
1747 * config/mips/mips.md: Same.
1748 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1749 * config/mips/mips.h: Same; also define ABI_O64.
1751 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1753 * configure.in: Use AC_PREREQ(2.12.1).
1755 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1757 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1758 * cpplib.c, gcc.c: Likewise.
1759 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1761 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1763 * local-alloc.c (local_alloc): Use malloc not alloca for
1764 reg_qty, reg_offset, ref_next_in_qty.
1766 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1768 * caller-save.c (insert_one_insn): Initialize the live_before and
1769 live_after register sets.
1773 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1774 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1775 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1776 (fp_reg_names, assembler_dialect): New variables.
1777 (print_operand_address): Handle SUBREGs.
1778 (print_operand): Added 'o' case.
1779 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1780 Name of FP registers depends on mode.
1781 (expand_block_move): Emit different code for SH4 hardware.
1782 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1783 (from_compare): Likewise.
1784 (add_constant): New argument last_value. Changed all callers.
1785 (find_barrier): Don't try HImode load for FPUL_REG.
1786 (machine_dependent_reorg): Likewise.
1787 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1788 (gen_far_branch): Emit a barrier after the new jump.
1789 (barrier_align): Don't trust instruction lengths before
1791 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1792 Use auto-inc addressing for fp registers if doubles need to
1793 be loaded in two steps.
1794 Set sh_flag_remove_dead_before_cse.
1795 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1796 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1797 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1798 Support for FIRST_XD_REG .. LAST_XD_REG.
1799 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1800 (sh_expand_epilogue): Likewise.
1801 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1802 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1803 (arith_reg_operand): FPUL_REG is OK for SH4.
1804 (fp_arith_reg_operand, fp_extended_operand) New functions.
1805 (tertiary_reload_operand, fpscr_operand): Likewise.
1806 (commutative_float_operator, noncommutative_float_operator): Likewise.
1807 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1808 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1809 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1810 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1811 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1812 (CONDITIONAL_REGISTER_USAGE): Likewise.
1813 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1814 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1815 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1816 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1817 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1818 to -1 and sh_flag_remove_dead_before_cse to 1.
1819 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1820 (assembler_dialect, fp_reg_names): Declare.
1821 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1822 Hide names of registers that are not accessible.
1823 (CACHE_LOG): Take TARGET_CACHE32 into account.
1824 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1825 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1826 (FIRST_PSEUDO_REGISTER: Now 49.
1827 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1828 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1829 (HARD_REGNO_MODE_OK): Update.
1830 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1831 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1832 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1833 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1834 (NPARM_REGS): Eight floating point parameter registers on SH4.
1835 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1836 in floating point registers.
1837 (GET_SH_ARG_CLASS) Likewise.
1838 Complex float types are also returned in float registers.
1839 (BASE_ARG_REG): Complex float types are also passes in float registers.
1840 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1841 (LIBCALL_VALUE): Remove trailing semicolon.
1842 (ROUND_REG): Round when double precision value is passed in floating
1844 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1845 passed on the stack.
1846 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1847 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1848 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1849 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1850 (MODE_DISP_OK_8): Not for SH4 DFmode.
1851 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1852 Allow indexed addressing for PSImode after reload.
1853 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1854 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1855 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1856 (DOUBLE_TYPE_SIZE): 64 for SH4.
1857 (RTX_COSTS): Add PLUS case.
1858 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1859 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1860 MAC_REGS, PR_REGS, DF_REGS.
1861 (REGISTER_NAMES): Use fp_reg_names.
1862 (enum processor_type): Add PROCESSOR_SH4.
1863 (sh_flag_remove_dead_before_cse): Declare.
1864 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1865 (PREDICATE_CODES): Add binary_float_operator,
1866 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1867 fpscr_operand, noncommutative_float_operator.
1868 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1869 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1870 * sh.md (attribute cpu): Add value sh4.
1871 (attrbutes fmovd, issues): Define.
1872 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1873 (function units memory, int, mpy, fp): Make dependent on issue rate.
1874 (function units issue, single_issue, load_si, load): Define.
1875 (function units load_store, fdiv, gp_fpul): Define.
1876 (attribute hit_stack): Provide proper default.
1877 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1878 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1879 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1880 (mulsi3_call): Now uses match_operand for function address.
1881 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1883 (push, pop, push_e, pop_e): Now define_expands.
1884 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1885 (movsi_ie): Added y/i alternative.
1886 (ic_invalidate_line_i, movdf_i4): New insns.
1887 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1888 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1889 (movdf): Add special code for SH4.
1890 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1891 (call_valuei, calli, call_value): Likewise.
1892 (movsf): Emit no-op move.
1893 (mov_nop, movsi_y): New insns.
1894 (blt, sge): generalize to handle DFmode.
1895 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1896 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1897 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1898 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1899 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1900 (toggle_sz): New insn.
1901 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1902 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1903 (macsf3): Make use of fpscr visible. Disable for SH4.
1904 (floatsisf2): Make use of fpscr visible.
1905 (floatsisf2_i4): New insn.
1906 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1907 (ieee_ccmpeqsf_t): Likewise.
1908 (fix_truncsfsi2): Emit different code for SH4.
1909 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1910 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1911 (negsf2, sqrtsf2, abssf2): Now expanders.
1912 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1913 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1914 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1915 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1916 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1917 (fix_truncdfsi2_i4_2+1): New splitters.
1918 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1919 (extendsfdf2, truncdfsf2): New expanders.
1920 (truncdfsf2_i4): New insn.
1921 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1922 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1923 * float-sh.h: When testing for __SH3E__, also test for
1924 __SH4_SINGLE_ONLY__ .
1925 * va-sh.h (__va_freg): Define to float.
1926 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1927 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1928 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1929 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1931 (TARGET_SH4_P): Define.
1934 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1935 init_expr_once is satisfied about the existence of load / store insns.
1937 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1938 change m constraint in source operand to mr / mf .
1940 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1942 * (__VA_REEF): Define.
1943 (__va_arg_sh1): Use it.
1945 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1947 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1949 * i386/dgux.c (struct option): Add new "description field".
1950 * m88k/m88k.c (struct option): Likewise.
1952 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1954 * version.c: Bump for snapshot.
1956 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1958 * regmove.c (regmove_profitable_p): Use return value of find_matches
1961 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1963 * version.c: Bump for snapshot.
1965 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1967 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1968 without reload having been called earlier.
1970 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1972 (v850_reorg): Similarly.
1974 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1976 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1978 * loop.c (move_movables): Start of libcall might be new loop start.
1980 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1982 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1984 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1986 * function.c (nonlocal_goto_handler_slots): Renamed from
1987 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1988 (push_function_context_to): Adjust for this change.
1989 (pop_function_context_from): Likewise.
1990 (init_function_start): Likewise.
1991 (expand_function_end): Likewise.
1992 * function.h (struct function): Likewise.
1993 * calls.c (expand_call): Likewise.
1994 * explow.c (allocate_dynamic_stack_space): Likewise.
1995 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1996 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1998 (expand_goto): When doing a nonlocal goto, find corresponding handler
1999 slot for it. Don't put the label address in the static chain register.
2000 (expand_end_bindings): Break out nonlocal goto handling code into
2001 three new functions.
2002 (expand_nl_handler_label, expand_nl_goto_receiver,
2003 expand_nl_goto_receivers): New static functions, broken out of
2004 expand_end_bindings and adapted to create one handler per nonlocal
2006 * function.c (delete_handlers): Delete insn if it references any of
2007 the nonlocal goto handler slots.
2008 * i960.md (nonlocal_goto): Comment out code that modifies
2010 * sparc.md (nonlocal_goto): Likewise.
2011 (goto_handler_and_restore_v9): Comment out.
2012 (goto_handler_and_restore_v9_sp64): Comment out.
2014 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2016 * expr.c (STACK_BYTES): Delete unused macro.
2017 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2018 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2019 (expand_call): Likewise.
2020 (emit_library_call): Likewise.
2021 (emit_library_call_value): Likewise.
2022 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2023 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2024 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2025 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2026 (allocate_dynamic_stack_space): Likewise.
2027 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2028 (STACK_BOUNDARY): Update description to reflect the new situation.
2030 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2032 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2033 return with a filled delay slot is followed by a return with an
2034 unfilled delay slot, delete the first return and reemit the insn
2035 that was previously in its delay slot.
2037 * i860.c (single_insn_src_p): Add missing parens.
2038 * ginclude/math-3300.h: Likewise.
2040 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2042 * regclass.c (init_reg_sets_1): Add prototype.
2043 (init_reg_modes): Likewise.
2045 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2047 * c-common.c: Change warning messages to say `comparison is
2048 always true' or `comparison is always false' instead of the
2049 confusing `is always 0', `is always 1'.
2051 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2053 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2054 break instead of return (which loses closing '>').
2056 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2058 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2059 standard 387 constants.
2061 * i386.md (jump): Explicitly set "memory" attribute.
2062 (indirect_jump, prologue_set_stack_ptr): Likewise.
2063 (prologue_get_pc_and_set_got, pop): Likewise.
2064 (allocate_stack_worder, blockage, return_internal): Likewise.
2065 (return_pop_internal, nop): Likewise.
2066 (epilogue_set_stack_ptr, leave): Likewise.
2068 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2070 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2072 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2074 * reload1.c (reload_reg_free_for_value_p):
2075 Early auto_inc reloads don't conflict with outputs.
2077 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2079 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2080 Instead call AC_HEADER_SYS_WAIT.
2082 * collect2.c: Don't provide defaults for sys/wait.h macros.
2084 * protoize.c: Likewise. Also, don't include sys/wait.h.
2086 * system.h: Include sys/wait.h and provide macro defaults.
2088 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2090 * Makefile.in (mandir): Set to @mandir@.
2091 (man1dir): New variable to hold the former value of $(mandir).
2092 Replace all uses of $(mandir) by $(man1dir).
2094 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2096 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2097 a new one before passing it to force_const_mem.
2099 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2100 find_reloads_address call.
2102 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2104 * expr.c (store_expr): Don't generate load-store pair
2105 if TEMP is identical (according to ==) with TARGET.
2107 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2109 * reload1.c (reload_reg_free_for_value_p): When considered reload
2110 has an output, matching inputs are not sufficient to avoid conflict.
2112 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2114 * hash.h (hash_table_key): New type.
2115 (hash_entry): Change `string' field to generic `key'.
2116 (hash_table): Add `comp' and `hash' functions.
2117 (hash_table_init): Take them as input.
2118 (hash_table_init_n): Likewise.
2119 (hash_lookup): Modify for generic keys.
2120 (hash_newfunc): Likewise.
2121 (hash_traverse): Likewise.
2122 (string_hash): New function.
2123 (string_compare): Likewise.
2124 (string_copy): Likewise.
2125 * hash.c (hash_table_init_n): Modify for generic keys.
2126 (hash_table_init): Likewise.
2127 (hash_lookup): Likewise.
2128 (hash_newfunc): Likewise.
2129 (hash_traverse): Likewise.
2130 (string_hash): Split out from hash_lookup.
2131 (string_compare): New function.
2132 (string_copy): Split out from hash_lookup.
2133 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2135 (symbol_hash_lookup): Likewise.
2136 (file_hash_newfunc): Likewise.
2137 (file_hash_lookup): Likewise.
2138 (demangled_hash_newfunc): Likewise.
2139 (demangled_hash_lookup): Likewise.
2140 (tlink_int): Likewise.
2141 (read_repo_file): Likewise.
2142 (recompile_files): Likewise.
2143 (demangle_new_symbols): Likewise.
2144 (scan_linker_output): Likewise.
2146 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2148 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2150 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2152 * rs6000.c (output_mi_thunk): Improve test for local branch.
2154 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2156 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2158 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2160 * reload1.c (reload_reg_free_before_p): Delete.
2161 Changed all callers to use reload_reg_free_for_value_p instead.
2162 (reload_reg_free_for_value_p): Handle more reload types.
2163 A RELOAD_FOR_INPUT doesn't conflict with its
2164 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2165 Add special case for OUT == const0_rtx.
2166 Added ignore_address_reloads argument. Changed all callers.
2168 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2170 * toplev.c (compile_file): Don't pedwarn about undefined static
2171 functions just because we passed -Wunused.
2173 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2175 * function.c (purge_addressof_1): Unshare rtl created by
2178 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2180 * regmove.c (regmove_optimize): Don't do anything but
2181 optimize_reg_copy[123] when flag_regmove is not set.
2183 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2185 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2186 value in paradoxical SImode result, rather than truncating midpoint.
2188 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2190 * alpha.c (reg_not_elim_operand): New.
2191 * alpha.h (PREDICATE_CODES): Add it.
2192 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2193 for the multiplicand.
2195 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2197 * rs6000.md (movsf): Remove explicit secondary-reload-like
2198 functionality. Only truncate SFmode store if in FPR.
2199 (movsf splitters): Combine const_double splitters.
2200 (movsf_hardfloat): Add GPR support.
2202 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2204 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2205 deprecate -mlive-g0 and -mbroken-saverestore.
2206 * t-splet (MULTILIB_OPTIONS): Likewise.
2208 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2209 in a leaf function. Clarify total_size/extra_size relationship.
2211 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2213 * i386/cygwin32.asm: Delete.
2214 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2215 * i386/cygwin32.h: Delete.
2216 * i386/cygwin.h: New file, renamed from cygwin32.h.
2217 * i386/t-cygwin32: Delete.
2218 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2219 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2220 * i386/x-cygwin32: Delete.
2221 * i386/x-cygwin: New file, renamed from x-cygwin32.
2222 * i386/xm-cygwin32: Delete.
2223 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2224 renamed cygwin_ funcs for path translations.
2225 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2226 * i386/winnt.c: Remove "32" from comment about cygwin.
2227 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2228 * rs6000/cygwin32.h: Delete.
2229 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2230 -D__CYGWIN__ to CPP_PREDEFINES.
2231 * rs6000/x-cygwin32: Delete.
2232 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2233 * rs6000/xm-cygwin32: Delete.
2234 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2236 * configure.in: Check for cygwin* instead of cygwin32. Account
2237 for the rename of cygwin-related config files to lose the "32"s.
2238 * configure: Regenerate.
2240 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2241 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2243 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2245 * Makefile.in (JAVAGC): New macro.
2246 * configure: Rebuilt.
2247 * configure.in: Recognize --enable-java-gc argument. Subst
2250 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2252 Handle equivalences that have been obscured by gcse:
2254 * reload1.c (reload): Handle equivalences set up in multiple places.
2255 * local-alloc.c (reg_equiv_init_insns): New variable.
2256 (no_equiv): New function.
2257 (update_equiv_regs): Handle equivalences set up in multiple places.
2258 Don't ignore an insn just because its destination is likely to be
2261 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2263 * except.c (expand_eh_return): Readd force_operand call lost in
2266 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2268 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2270 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2272 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2274 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2276 * regmove.c (regmove_optimize): Fix error in last change.
2278 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2280 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2281 offset in the .mask pseudo to compensate for frame pointer adjustments.
2282 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2283 word swap arguments moved to/from FP registers.
2284 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2286 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2288 * version.c: Bump for snapshot.
2290 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2292 * version.c: Bump for snapshot.
2294 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2296 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2297 times, then it can not be completely replaced.
2299 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2301 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2303 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2305 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2306 (to distinguish it from the macro wrapping ansidecl.h.)
2307 Include libiberty's ansidecl.h. Remove all redundant definitions.
2308 Define the PROTO() style macros in terms of the PARAMS() ones.
2311 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2312 __STDC__, when deciding whether to use ANSI variable args.
2313 (emit_library_call_value): Likewise.
2315 * cccp.c (error): Likewise.
2316 (warning): Likewise.
2317 (error_with_line): Likewise.
2318 (warning_with_line): Likewise.
2319 (pedwarn): Likewise.
2320 (pedwarn_with_line): Likewise.
2321 (pedwarn_with_file_and_line): Likewise.
2324 * cexp.y (error): Likewise.
2325 (pedwarn): Likewise.
2326 (warning): Likewise.
2328 * collect2.c (fatal_perror): Likewise.
2332 * combine.c (gen_rtx_combine): Likewise.
2334 * cpperror.c (cpp_message): Likewise.
2335 (cpp_fatal): Likewise.
2337 * cpplib.c (cpp_error): Likewise.
2338 (cpp_warning): Likewise.
2339 (cpp_pedwarn): Likewise.
2340 (cpp_error_with_line): Likewise.
2341 (cpp_warning_with_line): Likewise.
2342 (cpp_pedwarn_with_line): Likewise.
2343 (cpp_pedwarn_with_file_and_line): Likewise.
2345 * cpplib.h: Don't define PARAMS() macro.
2347 * demangle.h: Likewise.
2349 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2350 when deciding whether to use ANSI variable args.
2352 * emit-rtl.c (gen_rtx): Likewise.
2353 (gen_rtvec): Likewise.
2355 * final.c (asm_fprintf): Likewise.
2357 * fix-header.c (cpp_message): Likewise.
2359 (cpp_fatal): Likewise.
2361 * gcc.c (concat): Likewise.
2365 * genattr.c (fatal): Likewise.
2367 * genattrtab.c (attr_rtx): Likewise.
2368 (attr_printf): Likewise.
2371 * gencodes.c (fatal): Likewise.
2373 * genconfig.c (fatal): Likewise.
2375 * genemit.c (fatal): Likewise.
2377 * genextract.c (fatal): Likewise.
2379 * genflags.c (fatal): Likewise.
2381 * genopinit.c (fatal): Likewise.
2383 * genoutput.c (fatal): Likewise.
2386 * genpeep.c (fatal): Likewise.
2388 * genrecog.c (fatal): Likewise.
2390 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2391 deciding whether to declare `tree_node' and `rtx_def'.
2393 * hash.h: Don't define stuff we get from gansidecl.h.
2395 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2396 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2397 whether to use ANSI variable args.
2400 * prefix.c (concat): Likewise.
2404 * system.h: Likewise.
2406 * toplev.c (error_with_file_and_line): Likewise.
2407 (error_with_decl): Likewise.
2408 (error_for_asm): Likewise.
2411 (warning_with_file_and_line): Likewise.
2412 (warning_with_decl): Likewise.
2413 (warning_for_asm): Likewise.
2414 (warning): Likewise.
2415 (pedwarn): Likewise.
2416 (pedwarn_with_decl): Likewise.
2417 (pedwarn_with_file_and_line): Likewise.
2419 (really_sorry): Likewise.
2421 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2422 whether to declare `tree_node' and `rtx_def'.
2424 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2425 deciding whether to use ANSI variable args.
2426 (build_nt): Likewise.
2427 (build_parse_node): Likewise.
2429 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2431 * version.c: Bump for snapshot.
2433 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2435 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2437 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2439 * collect2.c (main, case 'b'): Use else if.
2441 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2443 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2444 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2445 before the config/ directory headers.
2446 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2447 gansidecl.h in the list of dependencies.
2449 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2450 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2451 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2452 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2453 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2454 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2457 * cccp.c: Don't include gansidecl.h.
2459 * collect2.c: Likewise.
2460 * config/c4x/c4x.c: Likewise.
2461 * config/v850/v850.h: Likewise.
2462 * cppalloc.c: Likewise.
2463 * cpperror.c: Likewise.
2464 * cppexp.c: Likewise.
2465 * cppfiles.c: Likewise.
2466 * cpphash.c: Likewise.
2467 * cpplib.c: Likewise.
2468 * cppmain.c: Likewise.
2469 * cppulp.c: Likewise.
2470 * demangle.h: Likewise.
2471 * doprint.c: Likewise.
2472 * dyn-string.c: Likewise.
2473 * eh-common.h: Likewise.
2474 * fix-header.c: Likewise.
2475 * frame.c: Likewise.
2478 * gen-protos.c: Likewise.
2479 * gencheck.c: Likewise.
2480 * halfpic.h: Likewise.
2482 * machmode.h: Likewise.
2483 * mbchar.c: Likewise.
2484 * prefix.c: Likewise.
2485 * protoize.c: Likewise.
2486 * recog.h: Likewise.
2488 * scan-decls.c: Likewise.
2490 * varray.h: Likewise.
2492 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2494 * i386.md (call_value_pop): If we're not popping anything,
2495 defer to call_value.
2496 (call_pop): Likewise defer to call.
2498 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2500 * function.c (purge_addressof): Clear purge_addressof_replacements
2501 only after processing the whole function.
2503 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2505 * reload1.c (reload): If we can not perform a particular elimination
2506 when we thought we could earlier, then we must always iterate through
2507 the loop at least one more time.
2509 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2511 * alpha.c (add_operand): Simplify the CONST_INT match.
2512 (sext_add_operand): Correct typo in comparison by using
2513 CONST_OK_FOR_LETTER_P.
2514 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2515 constant alternatives to be generated.
2516 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2517 small constants, since the hw instructions do.
2519 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2521 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2522 previous insn to store directly into our reload register, make sure
2523 that if the source of the previous insn is a reload register, its
2524 spill_reg_store and spill_reg_stored_to values are cleared.
2526 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2528 * rs6000.md (floatunssidf2_internal splitter): Use base register
2529 operand, not hard-coded SP.
2531 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2533 * jump.c (calculate_can_reach_end): Fix thinko.
2535 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2537 * reorg.c (fill_simple_delay_slots): Fix typo.
2539 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2541 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2543 * i386.md (extendsidi2): Use # in the output template.
2544 (extendsidi splitters): New splitters.
2546 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2548 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2550 * configure: Regenerate.
2552 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2554 * jump.c (init_label_info, delete_barrier_successors,
2555 mark_all_labels, delete_unreferenced_labels,
2556 delete_noop_moves, calculate_can_reach_end): New functions broken
2557 out of jump_optimize.
2558 (jump_optimize): Use them.
2560 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2562 * except.c (expand_fixup_region_end): Make sure outer context labels
2563 are not issued in an inner context during cleanups.
2565 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2567 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2570 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2572 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2573 to expose this midpoint to CSE.
2575 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2577 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2579 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2581 * configure.in: Bring over gcc2 change of Nov 19 1997.
2583 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2585 * toplev.c (output_lang_identify): Make definition dependent on
2586 ASM_IDENTIFY_LANGUAGE.
2588 * print-rtl.c (spaces): Make static.
2590 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2592 * extend.texi: Clarify proper uses for register clobbers in asms.
2594 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2596 * recog.h (enum op_type): Define.
2597 (constrain_operands): Adjust prototype.
2598 (recog_op_type): Declare new variable.
2599 * recog.c (recog_op_type): New variable.
2600 (insn_invalid_p): Allow modifying an asm statement after reload.
2601 (extract_insn): Set up recog_op_type.
2602 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2603 Don't compute operand types, use recog_op_type.
2604 Use the information computed by extract_insn instead of the previous
2605 method of finding it by insn code number.
2606 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2607 * reorg.c (fill_slots_from_thread): Likewise.
2608 * reload1.c (reload_as_needed): Likewise.
2609 (gen_reload): Likewise.
2610 (inc_for_reload): Likewise.
2611 (reload_cse_simplify_operands): Likewise.
2612 Use the information computed by extract_insn instead of the previous
2613 method of finding it by insn code number.
2614 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2616 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2617 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2618 Use the information computed by extract_insn instead of the previous
2619 method of finding it by insn code number.
2620 * regmove.c (find_matches): Likewise. Change meaning of the return
2621 value to be nonzero if the optimization can be performed, zero if
2622 not. All callers changed.
2623 Shorten some variable names to fix formatting problems.
2624 (regmove_optimize): Shorten some variable names to fix formatting
2626 Use the information computed by extract_insn instead of the previous
2627 method of finding it by insn code number.
2628 * regclass.c (scan_one_insn): Likewise.
2629 (record_reg_classes): Don't compute operand types, use recog_op_type.
2630 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2631 recog_constraints instead.
2633 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2635 * rtl.h (flow2_completed): Declare.
2636 * flow.c (flow2_completed): Definition.
2637 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2640 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2642 * Makefile.in (libcpp.a): Ranlib libcpp.a
2644 * cppulp.c (user_label_prefix): Initialize.
2646 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2648 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2649 at a RETURN if current_function_sp_is_unchanging is set.
2651 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2653 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2655 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2657 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2658 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2659 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2660 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2661 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2662 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2664 (LIB_SPEC): Handle -mno-cyginw option.
2665 (LINK_SPEC): Handle -mdll.
2667 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2669 * reload.c (find_reloads): Fix test for usage by other reload
2670 to handle secondary reloads properly.
2672 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2674 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2675 intermediate structure which has exactly the members provided by
2676 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2677 static intermediate structure.
2679 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2680 from the intermediate structure. Do the same analogous fix in
2681 the case where ELIMINABLE_REGS is not defined.
2683 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2685 * pa.h (SELECT_SECTION): Fix thinko.
2687 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2689 * dwarf2out.c (output_call_frame_info): Comments on last change.
2691 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2693 * arm.c (add_constant): When taking the address of an item in the
2694 pool, get the mode of the item addressed.
2696 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2697 contain a SET or a PARALLEL, don't consider it for conditional
2700 Restore ABI compatibility for NetBSD.
2701 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2703 (RETURN_IN_MEMORY): Likewise.
2705 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2707 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2708 (m32r_output_block_move): Rewrite bytes < 4 handling.
2710 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2712 * configure.in: Call AC_FUNC_VFORK.
2714 * collect2.c: Define VFORK_STRING as a printable string for
2715 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2716 defined, include vfork.h. If VMS is defined, define vfork()
2717 appropriately. Remove vfork check on USG, we're using autoconf.
2718 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2719 checking locally what string to pass.
2720 (scan_prog_file): Likewise.
2721 (scan_libraries): Likewise.
2723 * gcc.c: Remove vfork check on USG, we're using autoconf.
2724 Besides, no calls to vfork/fork occur in this file.
2726 * protoize.c: Likewise.
2728 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2730 * configure.in (DEFAULT_LINKER): renamed from LD
2731 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2732 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2733 * configure: rebuilt
2735 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2737 * BUGS: fix the regexp for `more' to find the appropriate node.
2738 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2740 * BUGS: added link to the WWW FAQ
2742 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2744 * version.c: Bump for snapshot.
2746 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2748 * From Christian Gafton:
2749 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2750 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2751 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2753 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2755 * c-common.c (c_get_alias_set): Allow all type-punning through
2756 unions. Don't get confused about the type of a bit-field, despite
2757 the antics of build_modify_expr.
2759 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2761 * fixinc.sco: Paramaterize #include_next values.
2762 * fixinc/fixinc.sco: Likewise.
2764 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2766 * toplev.c (rest_of_compilation): No longer set reload_completed.
2767 * reload1.c (reload): Set it here. Perform instruction splitting
2768 after reload has completed if we will be running the scheduler
2771 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2773 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2774 EH region if exceptions are enabled and we're performing cross
2776 (find_cross_jump): Exit loop if the insns are in different EH regions.
2778 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2780 * dwarf2out.c (output_call_frame_info): Use
2781 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2783 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2785 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2786 * c-common.c (check_format_info): Don't check for the 'x'
2787 format character twice, instead check for 'x' and 'X'
2789 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2791 * configure.in (assembler features): Also make gas is configured if
2792 we find it in the souce tree.
2794 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2796 * i386.c (i386_comp_type_attributes): Compare whether the
2797 attributes are defined, not their tree nodes.
2799 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2801 * configure.in (gxx_include_dir): bitten by autoconf quoting
2803 * configure: rebuilt
2805 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2807 * configure.in: Ignore non-absolute value in $AS.
2809 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2811 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2813 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2815 * configure.in (msdosdjgpp): Set exeext and target_alias.
2817 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2819 * flow.c (XNMALLOC): New macro.
2820 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2822 (add_edge, add_edge_to_label): New static functions.
2823 (free_bb_memory): New function.
2824 (flow_delete_insn): Delete function.
2825 (basic_block_drops_in): Delete variable.
2826 (find_basic_blocks): Allocate and initialize basic_block_head,
2827 basic_block_succ. Don't allocate basic_block_drops_in.
2828 Call free_bb_memory at the beginning.
2829 (find_basic_blocks_1): Don't do multiple passes.
2830 Delete code to compute basic_block_drops_in.
2831 After calling make_edges, mark blocks reached by current block live.
2832 Update test for unreachable live blocks.
2833 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2835 Simplify to call add_edge_to_label when a LABEL_REF is found.
2836 (make_edges): Simplify to call add_edge_to_label instead of
2837 mark_label_ref most of the time.
2838 Compute here whether control drops into the next block.
2839 (delete_unreachable_blocks): Return void. All callers changed.
2840 Delete unreachable blocks in reverse order.
2841 After deleting all unreachable blocks, renumber the remaining ones
2842 and update n_basic_blocks.
2843 (delete_block): Speed up deletion a bit.
2844 Don't set basic_block_drops_in for deleted blocks.
2845 (free_basic_block_vars): Don't free basic_block_drops_in.
2846 (life_analysis_1): Update to use new edge representation.
2847 (dump_flow_info): Delete code to print basic block info; call
2848 dump_bb_data instead.
2849 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2850 and uid_block_number.
2851 Simply copy the previously computed cfg.
2852 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2853 Print register lifetime information if LIVE_INFO is nonzero.
2854 * basic-block.h (dump_bb_data): Adjust prototype.
2855 * gcse.c (gcse_main): Update call to dump_bb_data.
2856 * rtl.h (free_bb_memory): Declare.
2857 * toplev.c (rest_of_compilation): Call free_bb_memory.
2859 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2860 (update_eliminable_offsets): Don't compute it.
2861 (set_initial_elim_offsets): Don't initialize it.
2862 Break out some code into set_initial_label_offsets so the rest of
2863 this function can be called from reload_as_needed.
2864 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2865 ELIMINABLE_REGS isn't.
2866 (set_initial_label_offsets): New function, broken out of
2867 set_initial_elim_offsets.
2868 (set_offsets_for_label): New function, broken out of set_label_offsets
2869 and reload_as_needed.
2870 (reload): Call the two new functions.
2871 (reload_as_needed): Call set_initial_elim_offsets instead of
2872 duplicating the code. Likewise for set_offsets_for_label.
2874 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2875 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2876 any hard reg, reg_reloaded_dead contains valid data.
2878 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2880 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2881 "stdcall" and "cdecl" attributes.
2883 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2885 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2886 handle deleted no-op moves of hard registers.
2887 * haifa-sched.c (update_flow_info): Likewise.
2889 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2891 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2892 of the sequences to reload the HILO register which do not actually
2895 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2897 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2899 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2901 * except.c (emit_eh_context): Make the EH context register stay alive
2902 at -O0 so stupid.c doesn't get confused.
2904 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2906 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2908 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2909 Jeffrey A Law (law@cygnus.com)
2911 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2912 (zero_extendsidi2): Use # in output template and handle completely by
2914 (zero_extend splitters): New define_splits.
2915 (ashiftrt_32): New pattern.
2917 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2919 * tree.c (append_random_chars): New fn.
2920 (get_file_function_name_long): Use it.
2922 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2924 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2925 (LIBCPP_OBJS): New. Add cppulp.o.
2926 (cppmain, fix-header): Depend on and use libcpp.a.
2927 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2928 of the individual object files.
2929 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2932 * cccp.c (user_label_prefix): New.
2933 (main): Set it off -f*leading-underscore.
2934 (special_symbol): Use it.
2935 * cpplib.c (special_symbol): Likewise.
2936 (cpp_handle_option): Handle -f*leading-underscore.
2937 * cppulp.c: New file.
2939 * output.h (user_label_prefix): Declare it.
2940 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2941 * toplev.c (f_options, main): Handle -f*leading-underscore.
2943 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2944 referencing USER_LABEL_PREFIX directly.
2945 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2946 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2947 * final.c (asm_fprintf): Use user_label_prefix instead.
2948 * arm/thumb.c (thumb_print_operand): Likewise.
2950 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2951 cpp wherever appropriate.
2953 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2955 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2956 specific compiler switches.
2958 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2960 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2963 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2965 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2966 structure which has exactly the members provided by EXTRA_SPECS.
2967 Xmalloc() the real `extra_specs', and initialize it from this
2968 intermediate structure.
2970 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2972 * mips.h (EXTRA_SPECS): Likewise.
2974 * sparc.h (EXTRA_SPECS): Likewise.
2976 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2978 * function.c (purge_addressof_1): Instead of aborting when a
2979 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2980 work just put the ADDRESSOF on stack. Otherwise remember all such
2981 successfull replacements, so that exactly the same replacements
2982 can be made on the REG_NOTEs. Remove the special case for CALL
2984 (purge_addressof_replacements): New variable.
2985 (purge_addressof): Clear it at end.
2987 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2989 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2990 (lang_init): Call check_newline always.
2991 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2992 cpp_start_read, set yy_cur and yy_lim to read from
2993 parse_in.token_buffer, so that we'll see the first #line
2995 * cpplib.c (cpp_start_read): finclude the main input file
2996 before processing -include/-imacros. Process -imacros and
2997 -include separately, and handle -include by stacking a
2998 buffer for the file in question as if it'd been #included.
2999 * toplev.c (documented_lang_options) Recognize -H when
3002 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3004 * cpplib.c: Merge do_once into do_pragma. Break file handling
3005 code out of do_include.
3006 Move append_include_chain, deps_output,
3007 file_cleanup, redundant_include_p, import_hash,
3008 lookup_import, add_import, read_filename_string, read_name_map,
3009 open_include_file, finclude, safe_read to cppfiles.c.
3010 Move prototypes for deps_output, append_include_chain,
3011 finclude to cpplib.h. Move definition of struct
3012 file_name_list there also.
3014 * cppfiles.c: New file. Contains all the above functions
3015 broken out of cpplib.c; also hack_vms_include_specification
3016 from cccp.c and find_include_file, a new function broken out of
3019 * Makefile.in (cppmain): Depend on cppfiles.o.
3020 (fix-header): Likewise.
3021 (cppfiles.o): New target.
3022 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3023 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3025 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3027 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3028 if pending_types is non-zero.
3029 (dwarfout_finish): Verify pending_types is zero before finishing.
3031 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3033 * expr.c (convert_move): Use shifts to perform the move if a
3034 suitable extend pattern cannot be found. Code written by
3035 Richard Henderson <rth@cygnus.com>.
3037 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3039 * regclass.c (renumber, regno_allocated): New static variables, moved
3040 out of allocate_reg_info.
3041 (allocate_reg_info): Move these two variables outside the function.
3042 Move code to free memory into new function free_reg_info.
3043 (free_reg_info): New function, broken out of allocate_reg_info.
3044 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3045 * rtl.h (allocate_reg_info): Don't declare.
3046 (free_reg_info): Declare.
3048 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3050 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3052 * toplev.c (compile_file): Temporarily revert last change.
3054 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3056 * c-typeck.c (convert_for_assignment): Parenthesize.
3058 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3060 * reload1.c (delete_output_reload): Avoid ambigous else.
3062 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3064 * toplev.c (compile_file): Call allocate_reg_info to free register
3066 * rtl.h (allocate_reg_info): Declare.
3068 * PROJECTS: Remove entry for local spilling.
3070 * final.c (cleanup_subreg_operands): New function.
3071 (final_scan_insn): Use it.
3072 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3074 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3075 operands when reload has finished.
3076 * reload.h (cleanup_subreg_operands): Declare..
3077 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3078 reload. Handled in reload itself.
3080 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3082 * reload1.c (verify_initial_offsets): New function.
3083 (reload): Call it after reload_as_needed. Also verify that the frame
3084 size stays constant during reload_as_needed.
3085 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3087 * reload.h (struct insn_chain): Add need_operand_change element.
3088 * reload1.c (new_insn_chain): Clear it.
3089 (calculate_needs_all_insns): Set it; don't overload need_reload.
3090 (reload_as_needed): Use it.
3092 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3093 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3094 and reload_address_index_reg_class.
3095 (find_reloads_address_1): Likewise.
3096 * reload.h (reload_address_base_reg_class,
3097 reload_address_index_reg_class): Don't declare.
3098 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3099 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3100 (used_spill_regs): Now static.
3101 (reload_address_base_reg_class, reload_address_index_reg_class,
3102 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3103 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3104 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3107 (init_reload): Delete code to compute base/index reg classes.
3108 (reload): Delete variable J.
3109 Delete code to manage basic_block_needs.
3110 Don't compute regs_explicitly_used.
3111 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3112 pseudo_previous_regs.
3113 Initialize bad_spill_regs_global.
3114 Don't call order_regs_for_reload here.
3115 Don't initialize spill_reg_order and n_spills.
3116 Don't forbid explicitly used regs to be used for spill regs.
3117 Change main loop to infinite loop, with explicit break statements.
3118 Make SOMETHING_CHANGED variable local to that loop.
3119 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3120 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3121 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3123 Don't call dump_needs.
3124 Delete code to reset potential_reload_regs.
3125 Delete code to terminate loop conditional on the global needs variables
3126 showing no further needs.
3127 (calculate_needs_all_insns): Return void. All callers changed.
3128 Initialize somehing_needs_elimination here, not in reload.
3129 Delete avoid_return_reg kludge.
3130 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3131 All callers changed.
3132 Initialize the group_mode and group_size elements of the arg CHAIN.
3133 Delete code to manage basic_block_needs.
3134 Operate on elements of CHAIN instead of global variables.
3135 Delete avoid_return_reg kludge.
3136 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3137 All callers changed.
3138 Operate on elements of CHAIN instead of global variables.
3139 Delete special SMALL_REGISTER_CLASSES code.
3140 Delete spill_failure code; now in new_spill_reg.
3141 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3142 All callers changed.
3143 Operate on elements of CHAIN instead of global variables.
3144 (maybe_mark_pseudo_spilled): New static function.
3145 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3146 All callers changed.
3147 Operate on elements of CHAIN instead of global variables.
3148 Call order_regs_for_reload here, not in reload.
3149 Initialize spill_reg_order and n_spills.
3150 Simplify test whether an asm insn is involved.
3151 Delete spill_failure code; now in new_spill_reg.
3152 Call maybe_mark_pseudo_spilled for everything marked as live in
3153 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3155 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3156 compiler from optimizing this function (now unused) away.
3157 Operate on elements of CHAIN instead of global variables.
3158 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3160 Operate on elements of CHAIN instead of global variables.
3161 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3162 take CHAIN arg. All callers changed.
3163 Operate on elements of CHAIN instead of global variables.
3164 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3165 CHAIN, NONGROUP args. Return void. All callers changed.
3166 Verify caller isn't trying to spill a pseudo.
3167 Simplify test for illegal reg, just use bad_spill_regs.
3168 Generate better error messages.
3169 Operate on elements of CHAIN instead of global variables.
3170 Mark spilled register in CHAIN's used_spill_regs element.
3171 Don't call spill_hard_reg.
3172 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3173 Mark spilled hard regs in bad_spill_regs_global.
3174 Mark affected pseudos in spilled_pseudos, but don't spill them.
3175 (ior_hard_reg_set): New static function.
3176 (finish_spills): Return int. All callers changed.
3177 Compute spill_reg_order, n_spills and spill_regs here. Also update
3178 regs_ever_live for regs used as spills.
3179 For every pseudo in spilled_pseudos, spill it and mark the previous
3180 hard reg it had in pseudo_previous_regs. Compute which hard regs
3181 arseudo): New static function.
3182 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3183 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3184 hard registers explicitly used across the current insn into the set.
3185 Compute hard_reg_n_uses taking only pseudos live across this insn
3187 Tweak sorting of potential_reload_regs.
3188 (compare_spill_regs): Delete function.
3189 (reload_as_needed): Don't sort the spill_regs array, it's computed
3190 in proper order in finish_spills.
3191 Delete avoid_return_reg kludge.
3192 Delete code to manage basic_block_needs.
3193 (allocate_reload_reg): Minor speed/readability tweaks.
3194 Operate on elements of CHAIN instead of global variables.
3195 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3196 Delete avoid_return_reg kludge.
3197 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3198 Delete unused label FAIL.
3199 (reload_combine): Replce reload_address_index_reg_class with
3201 Don't use used_spill_regs to determine information about lifetime of
3204 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3206 * toplev.c (display_help): Ignore empty target specific
3207 options, and if -W is also specified on the command line then
3208 display undocumented options.
3210 * config/arm/arm.c: Updated with changes in devo sources.
3211 * config/arm/arm.h: Updated with changes in devo sources.
3212 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3213 * config/arm/lib1thumb.asm: Add ELF support.
3215 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3217 * collect2.c (aix64_flag): New variable.
3218 (main, case 'b'): Parse it.
3219 (GCC_CHECK_HDR): object magic number must match mode.
3220 (scan_prog_file): Only check for shared object if valid header.
3221 Print debugging if header/mode mismatch.
3223 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3225 Added support for arm-elf-linux configuration, submitted by Philip
3226 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3227 code developed by Catherine Moore <clm@cygnus.com>. The following
3230 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3233 * configure: Regenerated.
3235 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3236 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3237 definitions conditional on their not having been already defined.
3239 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3240 and .type directives, and add "(PLT)" qualification to function
3243 * config/arm/linux.h: Deleted. This file is now superceeded by
3244 either linux-elf.h or linux-aout.h.
3246 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3247 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3249 Move definitions from old linux.h file here.
3251 * config/arm/elf.h: New file. Generic ARM/ELF support.
3253 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3255 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3257 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3258 using the 26bit APCS.
3260 * config/arm/unknown-elf.h: New file. Support for OS'es other
3261 than Linux with ELF.
3263 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3266 * config/arm/coff.h: Include aout.h for basic assembler macros.
3267 Add support for -mstructure_size_boundary=<n> command line option.
3269 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3270 command line option. Make macro definitions conditional on their
3271 not having been already defined.
3273 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3274 command line option.
3277 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3279 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3280 has been changed to not include a newline. Use this macro instead.
3281 (output_enumeral_list, const_value_attribute, name_attribute,
3282 comp_dir_attribute, prototyped_attribute, producer_attribute,
3283 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3284 dwarfout_file_scope_decl, generate_new_sfname_entry,
3285 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3286 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3288 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3290 * combine.c (subst): Process the inputs to a parallel asm_operands
3293 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3295 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3297 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3299 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3301 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3303 * version.c: Bump for snapshot.
3305 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3307 * stmt.c (expand_fixup): Set fixup->before_jump to a
3308 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3310 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3312 * Makefile.in (recog.o): Depend on toplev.h.
3313 (insn-emit.o): Depend on recog.h.
3314 (insn-peep.o): Depend on recog.h and insn-config.h.
3316 * combine.c (simplify_set): Remove unused variable `scratches'.
3318 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3319 and `idx' in macro conditional controlling their use.
3321 * genemit.c (main): Make the generated output file include
3322 recog.h. Don't have it declare `insn_operand_constraint', since
3323 we get it from recog.h.
3325 * genpeep.c (main): Make the generated output file include
3326 insn-config.h and recog.h.
3328 * recog.c: Include toplev.h.
3329 (extract_insn): Remove unused variable `p'.
3331 * regclass.c (fix_register): Add missing braces around initializer
3333 (allocate_reg_info): Move variable `i' into the scope where it is
3334 used. Change its type to `size_t'.
3336 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3338 * reload.c (push_reload): When merging reloads, make sure
3339 that reload_in_reg and reload_in are from the same reload in
3342 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3344 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3345 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3347 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3349 * loop.c (loop_has_tablejump): New variable.
3350 (prescan_loop): Scan for it.
3351 (insert_bct): Replace explicit scan with use of it.
3352 * regclass.c (regclass): Restore loop variable j.
3353 (record_reg_classes): Deterine op_types modifiers and initialize
3354 classes[i] before matching constraints. Handle matching
3357 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3359 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3362 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3364 * mips.h (EXTRA_SPECS): Add missing initializers.
3366 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3368 * sparc.h (EXTRA_SPECS): Add missing initializers.
3369 (sparc_defer_case_vector): Provide a prototype.
3371 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3372 comparing it to the result of a pointer subtraction.
3374 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3376 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3377 the argument to (unsigned char).
3379 * alpha.h (EXTRA_SPECS): Add missing initializers.
3380 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3383 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3385 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3386 (propagate_block): Delete dead code after reload.
3388 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3389 back Oct 15, 1998 change.
3390 * haifa-sched.c (update_flow_info): Likewise.
3391 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3393 * mn10200.md (truncated shift): Accept constant inputs too.
3395 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3397 * machmode.h (mode_mask_array): No longer const.
3398 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3400 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3402 * frame.c: Somewhat explain `FDE'.
3403 Suggested by Brendan Kehoe
3405 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3407 * expr.c (pending_chain): Move up.
3408 (save_expr_status): Do save pending_chain.
3409 (restore_expr_status): And restore it.
3410 * function.h (struct function): Add pending_chain.
3412 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3414 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3415 did not match the code.
3417 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3419 * regclass.c (regclass): Break out some code into new function
3420 scan_one_insn, and into regclass_init.
3421 (init_cost): New static variable, moved out of regclass.
3422 (regclass_init): Initialize it here, not in .
3423 (scan_one_insn): New static function, broken out of regclass.
3424 * recog.c (apply_change_group): Break out some code into new
3425 function insn_invalid_p.
3426 (insn_invalid_p): New static fn, broken out of apply_change_group.
3428 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3430 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3431 reg_reloaded_contents matches incremented pseudo.
3433 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3435 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3437 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3438 addressing modes with side effects. These are currently
3439 placeholders for the C4x target.
3441 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3443 * loop.c (express_from): Make sure that when generating a PLUS of
3444 a PLUS, any constant expression appears on the outermost PLUS.
3446 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3448 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3449 works if "$(srcdir)" != ".".
3451 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3453 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3454 existing SUBREG if we can, otherwise abort.
3456 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3458 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3459 `restrict' is applied to a non-pointer variable.
3461 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3463 * invoke.texi: Document -flang-isoc9x.
3465 * Makefile.in (OBJS): Add splay-tree.o.
3466 (c-common.o): Depend on rtl.h.
3467 (splay-tree.o): List dependencies and provide build rule.
3469 * rtl.h (record_alias_subset): New function.
3470 * alias.c: Include splay-tree.h.
3471 (alias_set_entry): New type.
3472 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3473 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3474 (mems_in_disjoin_alias_sets_p): New function.
3475 (alias_set_compare): Likewise.
3476 (insert_subset_children): Likewise.
3477 (get_alias_set_entry): Likewise.
3479 * tree.h (TYPE_RESTRICT): New macro.
3480 (TYPE_UNQUALIFIED): New manifest constant.
3481 (TYPE_QUAL_CONST): Likewise
3482 (TYPE_QUAL_VOLATILE): Likewise.
3483 (TYPE_QUAL_RESTRICT): Likewise.
3484 (tree_type): Add restrict_flag. Reduce count of free bits.
3485 (DECL_POINTER_ALIAS_SET): New macro.
3486 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3487 (tree_decl): Add pointer_alias_set.
3488 (build_qualified_type): New function.
3489 (build_type_variant): Define in terms of build_qualified_type.
3490 * tree.c (set_type_quals): New function.
3491 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3492 (build_type_attribute_variant): Use build_qualified_type and
3494 (build_type_variant): Rename, and modify, to become...
3495 (build_qualified_type): New function.
3496 (build_complex_type): Use set_type_quals.
3498 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3499 (C_TYPE_FUNCTION_P): Likewise.
3500 (C_TYPE_INCOMPLETE_P): Likewise.
3501 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3502 (c_apply_type_quals_to_decl): New function.
3503 (c_build_qualified_type): New function.
3504 (c_build_type_variant): Define in terms of c_build_qualified_type.
3505 (flag_isoc9x): Declare.
3506 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3507 (common_type): Change to use TYPE_QUALS.
3508 (comptypes): Likewise.
3509 (convert_for_assignment): Likewise.
3510 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3511 * c-decl.c (flag_isoc9x): Define.
3512 (c_decode_option): Handle -flang-isoc9x.
3513 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3514 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3515 * c-lex.c (init_lex): Deal with restrict.
3516 (init_lex): Don't treat restrict as a reserved word in
3517 -traditional mode, or without -flang-isoc9x.
3518 * c-lex.h (rid): Add RID_RESTRICT.
3519 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3520 equivalent to RID_RESTRICT.
3521 * c-parse.in (TYPE_QUAL): Update comment.
3522 * c-common.c: Include rtl.h.
3523 (c_find_base_decl): New function.
3524 (c_build_type_variant): Rename, and modify, to become ...
3525 (c_build_qualified_type): New function.
3526 (c_apply_type_quals_to_decl): Likewise.
3527 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3528 a particular alias set for the reference.
3529 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3531 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3533 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3534 command line switches.
3536 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3538 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3541 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3543 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3545 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3547 * regclass.c (fix_register): Add error message.
3548 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3551 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3553 * c-decl.c (warn_missing_noreturn): New global variable.
3554 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3555 (finish_function): Implement missing noreturn warning.
3557 * c-tree.h (warn_missing_noreturn): Declare extern.
3559 * invoke.texi: Document new flags.
3561 * toplev.c (documented_lang_options): Add description.
3563 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3565 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3566 loop optimization stable for the C4x.
3567 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3568 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3569 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3571 (c4x_address_conflict): Be more paranoid when packing a volatile
3572 memref in a parallel load/store.
3574 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3576 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3577 repeat_block_filler): Deleted.
3578 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3579 Condition code not set if destination register from 'c' class.
3580 (*subbqi3_carry_clobber): Fix typo.
3582 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3584 * reorg.c (steal_delay_list_from_target) Check for insns that
3585 modify the condition codes and effect the direction of the jump
3588 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3590 * function.c (purge_addressof_1): Replace call to
3591 emit_insns_before() with emit_insn_before().
3593 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3595 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3597 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3599 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3601 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3603 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3604 clobbered across calls.
3606 * loop.c (scan_loop): Be more selective about what invariants are
3607 moved out of a loop.
3609 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3611 * version.c: Bump for snapshot.
3613 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3615 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3616 static eh_context structure.
3618 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3620 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3622 (try_combine): Don't update max_scratch.
3623 * flow.c (max_scratch, num_scratch): Delete variables.
3624 (life_analysis_1): Don't initialize max_scratch.
3625 (propagate_block): Don't update max_scratch.
3626 (mark_set_1): Don't increment num_scratch.
3627 * regs.h (max_scratch): Delete declaration.
3629 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3631 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3632 is nonzero. This is temporary!
3634 * sched.c (update_flow_info): Handle death notes made invalid by
3635 instruction splitting. Partially reverts Oct 15, 1998 patch.
3636 * haifa-sched.c (update_flow_info): Likewise.
3638 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3640 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3641 if it has a nonzero DECL_INITIAL.
3643 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3645 * Makefile.in (flow.o): Depend on recog.h.
3647 * cpplib.h (directive_table): Add missing initializiers.
3648 (finclude): Change type of variable `bsize' to size_t.
3650 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3652 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3654 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3655 `int' when comparing against one.
3656 (cpp_file_line_for_message): Mark parameter `pfile' with
3658 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3660 * flow.c: Include recog.h.
3661 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3663 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3664 `f' with ATTRIBUTE_UNUSED.
3665 (reposition_prologue_and_epilogue_notes): Likewise.
3667 * genopinit.c (gen_insn): Cast argument of ctype functions to
3670 * haifa-sched.c: Include recog.h.
3671 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3672 comparing against one.
3674 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3676 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3678 (parse_ent): Likewise.
3679 (parse_input): Likewise.
3681 * optabs.c (init_libfuncs): Likewise.
3683 * protoize.c (find_rightmost_formals_list): Likewise.
3685 * recog.h (const_double_operand): Fix typo in prototype.
3687 * tlink.c (scan_linker_output): Cast the argument of ctype
3688 function to `unsigned char'.
3690 * toplev.c (check_lang_option): Cast the result of `strlen' to
3691 `int' when comparing against one.
3693 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3695 * gcse.c (dump_cuid_table): Correct typo.
3697 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3699 * toplev.c (display_help): Prepend '-m' to target specific
3701 (check_lang_option): Ignore text after end of first word of a
3702 language specific option.
3704 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3706 * reload1.c (reg_used_by_pseudo): New static variable.
3707 (choose_reload_regs): Initialize it.
3708 Use it instead of testing spill_reg_order to determine whether a
3709 pseudo is live in a hard register across the current insn.
3710 Fix a typo in a reference to reload_reg_rtx.
3712 * flow.c (propagate_block): Replace code that computes and uses
3713 regs_sometimes_live with simpler code that just walks the set of
3714 currently live registers.
3716 * Makefile.in (insn-extract.o): Fix dependencies.
3717 * genextract.c (main): Generate includes for insn-config.h and
3719 Delete generation of declarations which are now in recog.h.
3720 * genrecog.c (main): Delete generation of definitions which are
3722 * local-alloc.c (block_alloc): Use extract_insn and the variables
3723 it sets up instead of looking up values by insn_code.
3724 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3725 recog_dup_num): Define here instead of generating the definition in
3727 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3728 recog_operand_mode, recog_constraints, recog_operand_address_p):
3730 (extract_insn): New function.
3731 * recog.h (extract_insn): Declare function.
3732 (which_alternative, recog_n_operands, recog_n_dups,
3733 recog_n_alternatives, recog_operand_mode, recog_constraints,
3734 recog_operand_address_p): Declare variables.
3735 * regclass.c (n_occurrences): New static function.
3736 * reload.c (n_occurrences): Delete function.
3737 (find_reloads): Use extract_insn.
3738 * reload.h (n_occurrences): Delete declaration.
3740 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3742 * reload1.c (reload_as_needed): Fix test for when to call
3743 update_eliminable_offsets.
3745 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3747 Fix consistency problems with reg_equiv_{mem,address};
3748 Improve reload inheritance;
3750 * reload.c (reload_out_reg): New variable.
3751 (loc_mentioned_in_p, remove_address_replacements): New functions.
3752 (remove_replacements): Deleted.
3753 (push_reload): Set reload_out_reg[i].
3754 When merging, also set reload_{in,out}_reg[i], and remove
3755 duplicate address reloads.
3756 (combine_reloads): Copy reload_out_reg[i].
3757 (find_reloads): Do make_memloc substitution also when
3758 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3760 Include *recog_operand_loc in commutativity operand changes.
3761 Generate optional output reloads.
3762 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3763 processing operands. Call make_memloc in reg_equiv_address code.
3764 Set *recog_operand_loc only after processing operands, and only
3765 if replace is true. Return a value.
3766 When changing address reload types for operands that didn't get
3767 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3768 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3769 Don't emit USEs for pseudo SUBREGs when not replacing.
3770 (find_reloads_address): Do make_memloc substitution also when
3771 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3773 (find_reloads_toplev): Likewise.
3774 Call make_memloc in reg_equiv_address code.
3775 (debug_reload_to_stream): Add code to output reload_out_reg.
3776 (make_memloc): Delete local variable i, ifdefed out code, and
3777 references to memlocs and n_memlocs.
3778 (memlocs, n_memlocs): Delete.
3779 (push_secondary_reload): Clear reload_out_reg.
3780 (find_reloads_address_1): Provide memrefloc argument to all calls
3781 to find_reloads_address.
3782 In AUTO_INC code, handle non-directly addressable equivalences properly.
3783 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3784 (find_reloads): Add return type.
3785 (remove_address_replacements, deallocate_reload_reg): Declare.
3786 * reload1.c (num_not_at_initial_offset): No longer static.
3787 (delete_address_reloads, delete_address_reloads_1): Likewise.
3788 (deallocate_reload_reg): New function.
3789 (spill_reg_stored_to): New array.
3790 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3791 (eliminate_regs_in_insn): Move assignments of previous_offset and
3792 max_offset fields, and recalculation of num_not_at_initial_offset
3793 into new static function:
3794 (update_eliminable_offsets) .
3795 (reload_as_needed): Call update_eliminable_offsetss after calling
3797 Call forget_old_reloads_1 with contents of reloaded auto_inc
3798 expressions if the actual addressing can't be changed to match the
3800 (choose_reload_regs): For inheritance, replace
3801 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3802 remove stand-alone reload_reg_used_at_all test.
3803 Use reload_out_reg to determine which reload regs have output reloads.
3804 Treat reload_override_in more similar to inherited reloads.
3805 Handle (subreg (reg... for inheritance.
3806 For flag_expensive_optimizations, add an extra pass to remove
3807 unnecessary reloads from known working inheritance.
3808 Delete obsolete code for pseudos replaced with MEMs.
3809 Handle inheritance from auto_inc expressions.
3810 (emit_reload_insns): If reload_in is a MEM, set OLD to
3812 Don't reload directly from oldequiv; if it's a pseudo with a
3813 stack slot, use reload_in[j].
3814 Check that reload_in_reg[j] is a MEM before replacing reload_in
3815 from reg_reloaded_contents.
3816 Include non-spill registers in reload inheritance processing.
3817 Also try to use reload_out_reg to set spill_reg_store /
3818 reg_last_reload_reg.
3819 In code to set new_spill_reg_store, use single_set to find out if
3820 there is a single set.
3821 Add code that allows to delete optional output reloads.
3822 Add code to allow deletion of output reloads that use no spill reg.
3823 At the end, set reload_override_in to oldequiv.
3824 Also call delete_output_reload if reload_out_reg is equal to old
3826 Add code to call delete_output_reload for stores with no matching load.
3827 Set / use spill_reg_stored_to.
3828 Handle case where secondary output reload uses a temporary, but
3829 actual store isn't found.
3830 When looking for a store of a value not loaded in order to call
3831 delete_output_reload, count_occurences should return 0 for no
3832 loads; but discount inherited input reloadill_reg_stored_to.
3833 Do checks for extra uses of REG. Changed all
3835 Use delete_address_reloads.
3836 (reload): Take return value of find_reloads into account.
3837 If a no-op set needs more than one reload, delete it.
3838 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3839 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3840 for the same operand.
3841 (clear_reload_reg_in_use): Check for other reloads that keep a
3843 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3844 RELOAD_FOR_OPADDR_ADDR.
3845 Take into account when an address address reload is only needed
3846 for the address reload we are considering.
3847 (count_occurrences): Use rtx_equal_p for MEMs.
3848 (inc_for_reload): Return instruction that stores into RELOADREG.
3849 New argument two, IN, and rtx. Changed all callers.
3850 (calculate_needs_all_insns, reload_as_needed):
3851 Don't clear after_call for a CLOBBER.
3852 Keep track of how many hard registers need to be copied from
3853 after_call, and don't clear after_call before we have seen
3854 that much copies, or we see a different instruction.
3856 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3858 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3859 after reload has completed.
3861 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3863 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3864 a macro name and the next token with a single blank if that whitespace
3865 is in a macro buffer and the next token is not '('.
3867 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3869 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3871 (skip_if_group): Ditto.
3872 (skip_to_end_of_comment): Ditto.
3874 (discard_comments): Ditto.
3875 (change_newlines): Ditto.
3877 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3879 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3881 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3883 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3884 (TARGET_OPTIONS): Add --help documentation.
3886 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3888 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3890 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3892 * fixinc/* Moved in from ../contrib directory in preparation
3893 for integrating it into the normal build process. In particular,
3894 fixinc/Makefile.in must be config-ed into the build directory
3895 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3896 ./configure.in will be "in the mail" momentarily.
3898 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3900 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3901 accidently walk into the free list. Comment how that can happen.
3902 (invalidate): Fix indentation.
3904 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3905 Jeffrey A Law (law@cygnus.com)
3907 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3908 reload. Never perform rescans of the insn chain after reload.
3909 (propagate_block): Do not delete insn or create new autoinc addressing
3912 * jump.c (jump_optimize): Unconditionally use the code that was
3913 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3914 * reload1.c (reload): When reloading is finished, delete all
3915 REG_DEAD and REG_UNUSED notes.
3916 (emit_reload_insns): Delete all code that was conditional on
3917 PRESERVE_DEATH_INFO_REGNO_P.
3918 (no_longer_dead_regs): Delete variable.
3919 (reload_cse_delete_death_notes): Delete function.
3920 (reload_cse_no_longer_dead): Delete function.
3921 (reload_cse_regs_1): Delete all code to handle deletion of death
3923 (reload_cse_noop_set_p): Likewise.
3924 (reload_cse_simplify_set): Likewise.
3925 (reload_cse_simplify_operands): Likewise.
3926 (reload_cse_move2add): Likewise.
3927 * reorg.c (used_spill_regs): Delete declaration.
3928 (max_label_num_after_reload): Delete declaration.
3929 (find_dead_or_set_registers): Don't assume that spill regs are
3930 dead at a CODE_LABEL.
3931 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3933 * sched.c (sched_analyze_insn): Likewise.
3934 (update_flow_info): Likewise.
3935 * haifa-sched.c (sched_analyze_insn): Likewise.
3936 (update_flow_info): Likewise.
3937 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3938 * toplev.c (max_label_num_after_reload): Delete variable.
3939 (rest_of_compilation): Don't set max_label_num_after_reload.
3940 Call life_analysis after reload_cse_regs if optimizing.
3941 * config/gmicro/gmicro.h: Delete comment referring to
3942 PRESERVE_DEATH_INFO_REGNO_P.
3943 * config/i386/i386.h: Likewise.
3944 * config/m88k/m88k.h: Likewise.
3945 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3946 * config/sh/sh.h: Likewise.
3948 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3950 * loop.c (strength_reduce): Restore marking bct_p as
3952 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3953 HAVE_decrement_and_branch_on_count.
3954 (small_data_operand): Remove TARGET_ELF condition for marking
3955 parameters ATTRIBUTE_UNUSED.
3957 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3959 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3960 (SELECT_SECTION): Resync with svr4.h.
3962 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3964 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3967 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3969 * c-pragma.c (handle_pragma_token): Test for null tree before
3970 dereferencing TREE_CODE.
3972 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3974 * config/c4x/c4x.c: Convert to use GEN_INT.
3975 (c4x_parallel_process): Rework to handle new repeat loop structure.
3977 * config/c4x/c4x.md: Convert to use GEN_INT.
3978 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3979 (decrement_and_branch_on_count): Likewise.
3981 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3982 loop.c has the desired functionality.
3983 (rc_reg_operand): New prototype.
3985 * config/c4x/t-c4x: Can now build all front ends.
3987 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3989 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3991 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3993 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3994 * config/t-rtems: Do not install assert.h -- use newlib's.
3996 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3998 * combine.c (combine_instructions): When finished, call init_recog.
3999 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4001 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4003 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4005 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4007 * cppalloc.c (memory_full): Mark function prototype with
4010 * demangle.h (collect_exit): Likewise.
4012 * fix-header.c (v_fatal, fatal): Likewise.
4014 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4017 * gcov.c (print_usage): Likewise.
4019 * genattr.c (fatal, fancy_abort): Likewise.
4021 * genattrtab.c (fatal, fancy_abort): Likewise.
4023 * gencodes.c (fatal, fancy_abort): Likewise.
4025 * genconfig.c (fatal, fancy_abort): Likewise.
4027 * genemit.c (fatal, fancy_abort): Likewise.
4029 * genextract.c (fatal, fancy_abort): Likewise.
4031 * genflags.c (fatal, fancy_abort): Likewise.
4033 * genopinit.c (fatal, fancy_abort): Likewise.
4035 * genoutput.c (fatal, fancy_abort): Likewise.
4037 * genpeep.c (fatal, fancy_abort): Likewise.
4039 * genrecog.c (fatal, fancy_abort): Likewise.
4041 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4042 __sjpopnthrow, __throw): Likewise.
4044 * objc/objc-act.c (objc_fatal): Likewise.
4046 * protoize.c (usage, aux_info_corrupted,
4047 declare_source_confusing): Likewise.
4049 * rtl.c (dump_and_abort): Likewise.
4051 * rtl.h (sets_cc0_p): Likewise.
4053 * toplev.c (float_signal, pipe_closed): Likewise.
4055 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4057 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4058 when generating the decision tree for the general case.
4060 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4061 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4063 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4065 * Makefile.in (sched.o): Depend on recog.h.
4067 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4068 (unsigned) when comparing against one.
4069 (find_base_value): Likewise.
4070 (record_base_value): Cast variable `regno' to (unsigned) when
4071 comparing against one. Cast the result of REGNO() macro to
4072 (unsigned) when comparing against one.
4073 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4075 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4076 variable where an unsigned index is needed.
4078 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4079 before comparing against one.
4081 * collect2.c: Add prototypes for functions `error', `fatal' and
4082 `fatal_perror'. Make these functions take variable arguments
4083 instead of faking it with a fixed number of args.
4084 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4087 * combine.c (can_combine_p): Mark parameter `pred' with
4089 (find_split_point): Cast variable `src' to (unsigned
4090 HOST_WIDE_INT) when comparing against one.
4091 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4092 (simplify_logical): Likewise.
4093 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4094 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4095 HOST_WIDE_INT) in shift.
4096 (simplify_and_const_int): Cast result of INTVAL() macro to
4097 `unsigned HOST_WIDE_INT' when comparing against one.
4098 (merge_outer_ops): Cast variable const0 to `unsigned
4099 HOST_WIDE_INT' when comparing against the result of
4100 GET_MODE_MASK() macro.
4101 (simplify_comparison): Likewise for variable `c0'. Cast variable
4102 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4103 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4104 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4105 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4106 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4107 comparing against one.
4108 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4110 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4111 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4112 (output_block_move): Cast `sizeof' expression to (int) when
4113 comparing against one.
4114 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4116 (save_restore_insns): Cast `base_offset' to `long' to match format
4117 specifier in fprintf.
4119 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4120 to `enum machine_mode'.
4122 * flow.c (life_analysis_1): Remove unused variable `insn'.
4124 * gcc.c (translate_options): Move variables `j' and `k' into the
4125 scope in which they are used. Change their types to `size_t'.
4126 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4127 (read_specs): Likewise.
4128 (process_command): Cast `sizeof' to (int) when comparing against one.
4129 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4130 (handle_braces): Cast both sides of `==' expression to `long' to
4131 ensure sign matching.
4132 (main): Cast variable `i' to `int' when comparing against one.
4134 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4135 int to size_t. Cast variable `i' to size_t when comparing against
4138 * genattrtab.c (convert_set_attr_alternative): Remove unused
4139 parameter `insn_code'. All callers changed.
4140 (convert_set_attr): Likewise.
4142 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4143 size_t when comparing against one. Likewise for variable `len'.
4145 * global.c (global_alloc): Cast variable `max_regno' to size_t
4146 when comparing against one. Likewise for variable `max_allocno'.
4148 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4150 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4151 `set' with ATTRIBUTE_UNUSED.
4152 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4155 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4156 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4157 (get_condition): Cast variable `const_val' to `unsigned
4158 HOST_WIDE_INT' when comparing against one. Cast unsigned
4159 expression to HOST_WIDE_INT when comparing against one.
4160 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4161 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4162 `unsigned' when comparing against one.
4164 * protoize.c (is_id_char): Change type of parameter `ch' to
4166 (munge_compile_params): Cast argument of ctype macro to (const
4168 (process_aux_info_file): Cast variable `aux_info_size' to int when
4169 comparing against one.
4170 (forward_to_next_token_char): Cast argument of ctype macro to
4171 `const unsigned char'.
4172 (edit_formals_lists): Likewise.
4173 (find_rightmost_formals_list): Likewise.
4174 (add_local_decl): Likewise.
4175 (add_global_decls): Likewise.
4176 (edit_fn_definition): Likewise.
4177 (do_cleaning): Likewise.
4178 (scan_for_missed_items): Likewise.
4179 (edit_file): Cast variable `orig_size' to (int) when comparing
4181 (main): Cast argument of ctype macro to `const unsigned char'.
4183 * recog.c (const_int_operand): Mark parameter `mode' with
4186 * regclass.c (record_reg_classes): Change type of variable `c' to
4187 `unsigned char'. Cast `char' array index to `unsigned char'.
4189 * reload.c (push_secondary_reload): Cast argument to
4190 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4192 * reload1.c (calculate_needs): Cast `char' array index to
4194 (set_label_offsets): Change type of variable `i' to unsigned int.
4195 Cast result of XVECLEN() macro to unsigned when comparing against
4197 (mark_not_eliminable): Change type of variable `i' to unsigned.
4198 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4199 when comparing against one.
4200 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4201 comparing against one.
4202 (choose_reload_regs): Hide unused label `fail'.
4203 (reload_cse_simplify_operands): Cast `char' array index to
4205 (reload_combine_note_store): Mark parameter `set' with
4206 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4208 (reload_cse_move2add): Remove unused variable `src2'.
4210 * sched.c: Include recog.h.
4211 (sched_note_set): Remove unused parameter `b'. All callers
4213 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4214 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4215 when comparing against one.
4217 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4218 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4219 comparing against one.
4221 * unroll.c (precondition_loop_p): Remove unused parameter
4222 `loop_end'. All callers changed.
4224 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4226 * reload1.c (maybe_fix_stack_asms): New static function.
4229 * reload.h (compute_use_by_pseudos): Declare.
4231 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4232 (something_needs_reloads): Delete variable.
4233 (finish_spills): New function.
4234 (compute_use_by_pseudos): New function.
4236 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4237 Use the reload_insn_chain instead of walking the rtl directly.
4239 (reload): Allocate and free spilled_pseudos.
4240 Ensure that all calls of spill_hard_reg are followed by a call to
4242 Use the insns_need_reload list instead of something_needs_reloads
4243 to find out if reload_as_needed must be called.
4244 Clear unused_insn_chains at the end.
4246 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4248 Delete code to keep track of current basic block.
4249 Walk reload_insn_chain instead of the rtl structure. Build the
4250 insns_need_reload chain.
4251 Remember which insns need reloading/elimination by setting the
4252 appropriate fields in struct insn_chain, not by putting modes on the
4255 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4256 arg INSN. All callers changed.
4257 Delete declaration of struct needs.
4258 Don't set something_needs_reloads.
4259 Record insn needs in the CHAIN argument.
4261 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4263 (reload_as_needed): Lose FIRST arg. All callers changed.
4264 Walk the reload_insn_chain instead of the rtx structure.
4265 Delete code to keep track of current basic block.
4266 Rename one of the NEXT variables to OLD_NEXT.
4268 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4270 (choose_reload_regs): Likewise.
4272 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4275 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4276 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4277 (hard_regs_live, hard_regs_need_restore): Delete variables.
4278 (n_regs_saved): Now static.
4279 (referenced_regs, this_insn_sets): New variables.
4281 (setup_save_areas): Restructure the code a bit.
4283 (restore_referenced_regs): Delete function.
4284 (mark_referenced_regs): New function, similar to the old
4285 restore_referenced_regs, but mark registers in referenced_regs.
4287 (clear_reg_live): Delete function.
4288 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4289 Only mark registers in this_insn_sets.
4291 (save_call_clobbered_regs): Rework this function to walk the
4292 reload_insn_chain instead of using the list of instructions directly.
4293 Delete code to keep track of register lives, compute live regs on the
4294 fly from information in the chain.
4295 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4296 then walk the set it computes and call insert_restore as appropriate.
4298 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4300 Restructure the code a bit. Test hard_regs_saved instead of
4301 hard_regs_need_restore.
4302 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4303 args. All callers changed.
4304 Restructure the code a bit. Use TO_SAVE to determine which regs to
4305 save instead of more complicated test.
4306 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4308 Create a new insn_chain structure for the new insn and place it
4311 * rtl.texi: Update documentation to reflect that reload no longer
4312 puts modes on the insns.
4314 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4316 * function.c (purge_addressof_1): Force the first argument of a
4317 CALL insn to memory.
4319 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4321 * rtl.h: Delete duplicate prototypes. Add some missing
4323 * rtlanal.c: (for_each_rtx): Formatting tweak.
4325 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4327 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4328 to be compatible with TI compiler.
4330 * Makefile.in (USER_H): Add va-c4x.h to definition.
4332 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4334 * function.c (purge_addressof_1): Fix typo in inequality: do
4335 bitfield optimization for equal mode sizes.
4336 * expmed.c (store_bit_field): Don't take subregs of subregs in
4337 the movstrict case. Tidy a potential problem in the multi-word case.
4338 (extract_bit_field): Likewise.
4340 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4342 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4344 Compute max_uid_for_flow by calling get_max_uid after the scan.
4345 (find_basic_blocks_1): Don't emit NOPs here.
4347 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4349 * alias.c (base_alias_check): Accept new args for the modes of the
4350 two references. Use them to determine if an AND can overlap. Update
4352 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4353 to determine if an AND can overlap.
4355 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4357 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4358 check. Add comment to document problems with TARGET_SUN_FPA version
4360 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4362 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4364 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4366 * c-common.c (print_char_table): Add missing initializers.
4367 (scan_char_table): Likewise.
4368 (time_char_table): Likewise.
4370 * c-decl.c (c_decode_option): Mark parameter `argc' with
4372 (declare_parm_level): Mark parameter `definition_flag' with
4375 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4376 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4379 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4381 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4383 (expand_call): Cast result of MIN() to (unsigned int) when
4384 comparing against an unsigned value.
4386 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4388 (make_definition): Remove unused parameter `op'. All callers
4390 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4391 comparing against the result of pointer arithmetic.
4393 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4394 when comparing against one.
4396 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4397 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4399 (output_die): Move variable `i' into the scope in which it is
4400 used. Change its type to `unsigned'.
4401 (output_die): Cast the result of `strlen' to (int) when passing it
4402 to ASM_OUTPUT_ASCII().
4403 (output_pubnames): Likewise.
4404 (output_line_info): Likewise.
4406 * emit-rtl.c (global_rtl): Add missing initializers.
4408 * explow.c (promote_mode): Mark parameter `for_call' with
4411 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4412 `unsigned HOST_WIDE_INT' when comparing against one.
4413 (synth_mult): Change type of variable `cost' to int.
4414 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4416 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4417 when comparing against one.
4418 (get_inner_reference): Change variable `alignment' to unsigned.
4419 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4420 int) when comparing against one.
4421 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4423 * fold-const.c (div_and_round_double): Cast BASE to
4424 (HOST_WIDE_INT) when comparing against one.
4426 * gencheck.c: Include gansidecl.h.
4427 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4429 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4430 `tcode' with ATTRIBUTE_UNUSED.
4432 * real.c (edivm): Cast constant value to (unsigned long) in
4433 expression compared against an unsigned value.
4435 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4436 comparing against one.
4437 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4438 when comparing against one.
4440 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4441 (unsigned int) when comparing against one. Likewise for
4443 (smallest_mode_for_size): Likewise.
4444 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4445 (restore_storage_status): Likewise.
4447 * toplev.c (debug_args): Add missing initializer.
4448 (f_options): Spelling correction. Add missing initializers.
4449 (documented_lang_options): Likewise.
4450 (debug_end_source_file): Mark parameter `lineno' with
4453 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4454 `decl' and `type' with ATTRIBUTE_UNUSED.
4456 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4457 when comparing against one.
4458 (assemble_variable): Mark parameter `top_level' with
4460 (assemble_external_libcall): Mark parameter `fun' with
4462 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4465 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4467 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4468 Replace use of r5 with use of r19.
4470 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4472 * config/v850/v850.c (compute_register_save_size): Allow for the
4473 fact that helper functions save all registers, not just those used
4476 Replace constant 31 with macro LINK_POINTER_REGNUM.
4478 * config/v850/v850.md: Use 'indirect_operand' rather than
4479 'memory_operand' for bit test/set/clear patterns.
4481 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4483 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4484 * varasm.c (assemble_start_function et al): Don't call
4485 ASM_GLOBALIZE_LABEL for weak symbols.
4487 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4489 * cse.c (equiv_constant): Check for NULL return from
4490 gen_lowpart_if_possible().
4492 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4494 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4496 * collect2.c (main): Pass -EL/-EB through to the compiler.
4498 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4500 * expr.c (push_block): Handle targets where the stack grows
4501 to higher addresses, but args grow to lower addresses and
4502 ACCUMULATE_OUTGOING_ARGS is not defined.
4504 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4506 * config/v850/v850.c (print_operand): Extend meaning
4507 of 'c' operands to support .vtinherit.
4509 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4511 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4512 Added ATTRIBUTE_UNUSED to unused function arguments.
4513 (rc_reg_operand): New predicate.
4514 (c4x_rptb_insert): New function.
4515 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4516 (c4x_optimization_options): New function.
4518 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4519 (decrement_and_branch_on_count): New pattern.
4520 (rptb_top): Modified pattern to work with BCT optimization.
4522 * config/c4x/c4x.h (RC_REG): New register class.
4523 (rc_reg_operand): Define prototype.
4524 (IS_RC_REG): New macro.
4525 (IS_RC_OR_PSEUDO_REG): New macro.
4526 (IS_RC_OR_PSEUDO_REGNO): New macro.
4527 (OPTIMIZATION_OPTIONS): Define.
4529 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4531 * collect2.c (extract_init_priority): No priority is 65535.
4533 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4535 * Makefile.in (build_tooldir): new variable, same as old
4536 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4537 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4538 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4540 * configure.in (gxx_include_dir): set default based on unlibsubdir
4541 * Makefile.in (tooldir): ditto
4542 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4543 gxx_include_dir, includedir and tooldir
4544 (protoize.o, unprotoize.o): ditto
4546 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4548 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4550 * config/arm/thumb.c (thumb_override_options): Add warning about
4551 PIC code not being supported just yet.
4553 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4555 * flow.c: Update comment.
4556 (notice_stack_pointer_modification): New static function.
4557 (record_volatile_insns): Use it.
4558 (mark_regs_live_at_end): Mark the stack pointer as alive
4559 at the end of the function if current_function_sp_is_unchanging
4561 (life_analysis_1): Set current_function_sp_is_unchanging.
4562 * function.c: Define it.
4563 (init_function_start): Initialize it.
4564 * output.h: Declare it.
4565 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4566 the stack pointer as alive at the end of the function if
4567 current_function_sp_is_unchanging is set.
4568 * i386.c (ix86_epilogue): Optimize the restoring
4569 of the stack pointer.
4571 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4573 * version.c: Bump for snapshot.
4575 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4577 * c-pragma.c (handle_pragma_token): If passed a token instead
4578 of a tree, use that as the pack value.
4580 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4582 * flow.c (find_basic_blocks_1): Fix prototype.
4584 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4586 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4587 (struct tree_decl): New fields no_check_memory_usage.
4588 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4589 (init_attributes): Register it as a new attribute.
4590 (decl_attributes): Set flags on functions given that attribute.
4591 * c-decl.c (duplicate_decls): Merge new attribute.
4592 * expr.h (current_function_check_memory_usage): Declare new var.
4593 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4594 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4595 current_function_check_memory_usage.
4596 * function.h: Add field to struct function.
4597 * function.c (current_function_check_memory_usage): Define it.
4598 (push_function_context_to, pop_function_context_from): Save and
4600 (expand_function_start): Set it, based on global flag and function
4603 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4604 check non-automatic variables, to permit detection of writes to
4605 read-only locations in embedded systems without memory management.
4606 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4607 when emitting chkr_set_right_libfunc call, even if the argument is
4608 BLKmode or variable-sized; don't abort.
4610 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4611 symbols in Pmode, not VOIDmode.
4613 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4615 * cppexp.c: When forcing unsigned comparisons, cast both sides
4618 * cpphash.h: Move static declaration of hashtab[]...
4619 * cpphash.c: ...here.
4621 * cpplib.c: Cast difference of two pointers to size_t before
4622 comparing it to size_t. Cast signed to unsigned
4623 before comparing to size_t. (FIXME: struct argdata should use
4624 unsigned buffer sizes.)
4625 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4626 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4627 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4628 size_t before comparison.
4630 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4632 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4633 (find_basic_blocks_1): Similarly.
4634 * output.h (find_basic_blocks): Fix prototype.
4635 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4636 find_basic_blocks anymore.
4638 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4640 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4641 (sbitmap_free, sbitmap_vector_free): New macros.
4642 * output.h (rtl_dump_file): Declare.
4644 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4646 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4648 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4650 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4652 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4653 (divide): Remove unused variable `tmp'.
4654 (si_to_float): Cast numeric constant to (SItype) before comparing
4657 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4659 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4660 * gcc.c (add_preprocessor_option): Correct typo when allocating
4661 memory, sizeof() argument had one too many `*'.
4662 (add_assembler_option): Likewise.
4663 (add_linker_option): Likewise.
4664 * gcov.c (output_data): Likewise.
4665 * local-alloc.c (memref_used_between_p): Likewise.
4666 (update_equiv_regs): Likewise.
4667 * loop.c (strength_reduce): Likewise.
4668 * reg-stack.c (record_asm_reg_life): Likewise.
4669 (subst_asm_stack_reg): Likewise.
4670 * reorg.c (dbr_schedule): Likewise.
4672 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4674 * flow.c (life_analysis_1): Break out some functions.
4675 (find_basic_blocks_1): Likewise. Also move some variables out and
4677 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4678 new static var nonlocal_label_list with it.
4679 (active_eh_region, nested_eh_region, label_value_list,
4680 nonlocal_label_list): New static variables.
4681 (make_edges, delete_unreachable_blocks, delete_block): New static
4682 functions, broken out of find_basic_blocks_1.
4683 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4684 noop_move_p): New static functions, broken out of life_analysis_1.
4686 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4688 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4689 Take extra care for op0 now possibly being a subreg.
4690 (extract_bit_field): Likewise.
4691 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4692 the reg to memory if there is no equal sized integral mode.
4693 * stor-layout.c (int_mode_for_mode): New function.
4694 * machmode.h: Prototype it.
4696 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4698 * global.c (build_insn_chain): Verify no real insns exist past the
4699 end of the last basic block, then exit the loop.
4701 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4703 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4705 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4707 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4709 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4711 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4713 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4715 * flow.c (find_basic_blocks): Correctly determine when a call
4716 is within an exception region.
4718 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4720 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4722 * cpplib.h: Protect from multiple inclusions.
4723 * cpplib.c: Fix minor formatting problems.
4725 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4727 * jump.c (jump_optimize): Revert accidental patch.
4729 * Makefile.in (cpplib.o): Use unlibsubdir.
4731 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4733 * loop.c (get_condition): Allow combine when either compare is
4736 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4738 * version.c: Bump for snapshot.
4740 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4742 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4743 (init_lex): Initialize ridpointers[RID_BYREF].
4744 * c-lex.h (enum rid): Add RID_BYREF.
4745 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4746 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4747 (encode_type_qualifiers): Similarly
4748 * c-gperf.h: Rebuilt.
4750 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4752 * c-common.c (type_for_mode): Only return TItype nodes when
4753 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4754 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4755 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4756 (init_decl_processing): Only create TItype nodes when
4757 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4758 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4759 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4761 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4763 * stmt.c (n_occurrences): New static function.
4764 (expand_asm_operands): Verify that all constrains match in the
4765 number of alternatives.
4766 Verify that '+' or '=' are at the beginning of an output constraint.
4767 Don't allow '&' for input operands.
4768 Verify that '%' isn't written for the last operand.
4769 * reload.c (find_reloads): Abort if an asm is found with invalid
4770 constraints; all possible problems ought to be checked for earlier.
4772 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4774 * flags.h (flag_branch_on_count_reg): Always declare
4775 * toplev.c (flag_branch_on_count_reg): Likewise.
4776 * toplev.c: Fix typos.
4778 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4781 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4783 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4785 (find_basic_blocks_1): Add a nop to the end of a basic block when
4786 a trailing call insn does not have abnormal control flow.
4787 * gcse.c (pre_transpout): New variable.
4788 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4789 (compute_pre_transpout): Calculate it.
4790 (compute_pre_ppinout): Use it to eliminate impossible placements
4791 due to abnormal control flow through calls.
4792 (compute_pre_data): Call compute_pre_transpout.
4794 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4796 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4798 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4800 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4801 and matching define_insns): Tack on a `use' of the table label, so
4802 flow analysis will recognize a tablejump.
4804 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4806 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4807 always end basic blocks for abnormal edge reasons.
4809 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4811 * config/i386/i386.h: Remove definition of
4812 HANDLE_PRAGMA_PACK_PUSH_POP.
4814 * config/i386/go32.h: Add definition of
4815 HANDLE_PRAGMA_PACK_PUSH_POP.
4817 * config/i386/win32.h: Add definition of
4818 HANDLE_PRAGMA_PACK_PUSH_POP.
4820 * config/i386/cygwin32.h: Add definition of
4821 HANDLE_PRAGMA_PACK_PUSH_POP.
4823 * c-pragma.c (insert_pack_attributes): Do not insert
4824 attributes unless #pragma pack(push,<n>) is in effect.
4826 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4828 * expr.c (emit_group_store): Handle a PARALLEL destination.
4830 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4832 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4833 the new insns before the argument regs are loaded.
4835 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4837 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4838 (c-parse.gperf): Update comments describing invocation flags.
4839 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4841 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4843 * reload1.c (reload): Call free before clobbering the memory
4844 locations or constants pointers.
4846 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4848 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4849 for efficiency by checking whether we need to modify the current
4850 stack permission at all.
4851 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4852 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4853 __enable_execute_stack libcall here too if
4854 TRANSFER_FROM_TRAMPOLINE is defined.
4855 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4858 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4860 * Makefile.in (DRIVER_DEFINES): Remove last change.
4862 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4864 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4865 insns we're going to copy.
4866 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4868 * loop.c (count_one_set): Add prototype.
4870 * caller-save.c (restore_referenced_regs): Lose mode argument.
4871 (insert_save): Lose mode argument.
4872 (insert_restore): Lose mode argument.
4873 (insert_one_insn): Lose mode argument.
4874 (save_call_clobbered_regs): Lose mode argument.
4875 (setup_save_areas): Take no argument and return void. All callers
4877 Don't verify validity of memory addresses.
4878 * reload.h (setup_save_ares): Adjust prototype.
4879 (save_call_clobbered_regs): Likewise.
4880 * reload1.c (delete_caller_save_insns): New function.
4881 (caller_save_spill_class): Delete variable.
4882 (caller_save_group_size): Delete variable.
4883 (reload): Call setup_save_areas and save_call_clobbered_regs
4884 in the main loop, before calling calculate_needs_all_insns.
4885 Don't call save_call_clobbered_regs after the loop.
4886 Call delete_caller_save_insns at the end of an iteration if
4888 Delete code to manage caller_save_spill_class.
4889 Emit the final note before setting reload_first_uid.
4890 Simplify test that determines whether reload_as_needed gets run.
4891 (calculate_needs): Delete code to manage caller_save_spill_class.
4893 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4895 * collect2.c (main): Initialize ld_file_name.
4897 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4899 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4900 check for flag_function_sections.
4902 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4904 * cse.c (insert_regs): Fix bug in Sep 24 change.
4906 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4908 * flags.h (flag_dump_unnumbered): Declare.
4909 * toplev.c (flag_dump_unnumbered): Don't declare.
4910 * print-rtl.c (flags.h): Include.
4911 (print_rtl_single): Add return value.
4912 * rtl.h (print_rtl_single): Update declaration.
4913 * flow.c (flag_dump_unnumbered): Don't declare.
4914 (print_rtl_with_bb): Use return value of print_rtl_single.
4916 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4918 * loop.c (count_one_set): New static function, broken out of
4920 (count_loop_regs_set): Call it.
4921 * global.c (mark_reg_store): Handle clobbers here by not calling
4923 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4924 is in fact a clobber.
4925 * integrate.c (process_reg_param): New function, broken out of
4926 expand_inline_function.
4927 (expand_inline_function): Call it.
4930 * i386.md (addsidi3_1): Delete unused variable temp.
4931 (addsidi3_2): Likewise.
4932 (clstrstrsi): Delete unused variable addr1.
4934 * rtl.h: Don't declare any functions also declared in recog.h.
4936 * Makefile.in (stupid.o): Update dependencies.
4937 (global.o): Likewise.
4939 * global.c: Include reload.h
4940 (reg_becomes_live): New function.
4941 (reg_dies): New function.
4942 (build_insn_chain): New function.
4943 (global_alloc): Call build_insn_chain before calling reload.
4945 * reload.h (struct needs): New structure definition.
4946 (struct insn_chain): Likewise.
4947 (reload_insn_chain): Declare variable.
4948 (new_insn_chain): Declare function.
4951 * reload1.c (reload_startobj): New variable.
4952 (reload_insn_chain): New variable.
4953 (unused_insn_chains): New variable.
4954 (new_insn_chain): New function.
4955 (init_reload): Initialize reload_startobj, not reload_firstobj.
4956 (reload): Initialize reload_firstobj.
4957 Before returning, free everything on the reload_obstack.
4959 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4960 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4961 current_chain): New variables.
4962 (reg_where_born): Delete variable.
4963 (REG_WHERE_BORN): New macro.
4964 (find_clobbered_regs): New function.
4965 (stupid_life_analysis): Don't allocate/free reg_where_born.
4966 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4967 reg_where_dead_chain.
4968 Use REG_WHERE_BORN instead of reg_where_born.
4969 While processing the insns, build the reload_insn_chain with
4970 information about register lifetimes.
4971 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4972 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4974 Compute and information about birth and death of pseudo registers in
4975 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4976 Delete code to set elements of reg_where_born.
4978 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4980 * tree.def (GOTO_EXPR): Modified documentation.
4981 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4984 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4986 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4987 loop_final_value, loop_comparison_code): No longer static.
4988 (unroll_loop): Delete loop_start_value update.
4989 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4990 loop_final_value, loop_comparison_code): Extern.
4991 (loop_start_value): Delete extern.
4992 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4993 loop_comparison_value, loop_comparison_code): Delete.
4994 (loop_optimize): Remove initialization for deleted variables.
4995 (strength_reduce): Delete analyze_loop_iterations call. Only call
4996 insert_bct if flag_branch_count_on_reg set.
4997 (analyze_loop_iterations): Delete.
4998 (insert_bct): Remove iteration count calculation. Move checks for
4999 viable BCT optimization to here. Obtain iteration count from
5000 loop_iterations and correct for unrolling. Check for enough
5001 iteration to be beneficial. Comment out runtime iteration count
5003 (insert_bct): Print iteration count in dump file. Remove
5004 loop_var_mode and use word_mode directly.
5006 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5007 * rs6000.c (rs6000_override_options): Use it.
5008 (optimization_options): Enable use of flag_branch_on_count_reg.
5009 * rs6000.md (define_function_unit): Describe 604e.
5011 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5013 * loop.c (move_movables): Corrected threshold calculation for
5014 moved_once registers.
5016 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5018 * loop.c (combine_givs_p): Fix test for identical givs.
5020 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5022 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5023 call abort if the function is already defined.
5025 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5027 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5028 truncation is not a no-op.
5030 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5032 * version.c: Bump for snapshot.
5034 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5036 * version.c: Bump for snapshot.
5038 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5040 * expmed.c (expand_divmod): Don't widen for computing remainder
5041 if we seem to have a divmod pattern for needed mode.
5043 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5045 * cpplib.c (macroexpand): Correct off-by-one error in handling
5048 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5050 * combine.c (expand_field_assignment): Don't do bitwise operations
5051 on MODE_FLOAT; pun to MODE_INT if possible.
5053 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5054 scott snyder <snyder@d0sgif.fnal.gov>
5056 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5057 linker. Recognize mangled names in quotes.
5059 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5061 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5062 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5063 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5064 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5066 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5068 * function.c (purge_addressof_1): If trying to take a sub-word
5069 integral piece of a floating point mode, put it on the stack.
5071 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5073 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5075 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5077 * PROJECTS: Remove template friends.
5079 * collect2.c (sort_ids): Remove unused variable.
5081 * tm.texi (MATH_LIBRARY): Document.
5082 (NEED_MATH_LIBRARY): Remove.
5084 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5085 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5087 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5089 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5090 last_end to 0x7fffffff.
5092 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5094 * function.c (purge_addressof_1): Do not perform endianness
5095 corrections on bitpos, who we call will do it for us.
5097 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5099 * h8300.c (WORD_REG_USED): Fix typo.
5100 (initial_offset): Use WORD_REG_USED.
5102 * h8300.c (handle_pragma): Fix typo.
5104 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5106 * caller-save.c (insert_save_restore): Break this function up
5107 into new functions insert_restore, insert_save and insert_one_insn.
5108 All callers changed.
5109 (insert_restore): New function, mostly broken out of
5110 insert_save_restore.
5111 (insert_save): Likewise.
5112 (insert_one_insn): Likewise.
5113 (restore_referenced_regs): New argument BLOCK. All callers changed.
5114 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5115 in this function, do it in insert_one_insn instead.
5117 * reload1.c (reload): Break out some more pieces into separate
5119 (dump_needs): New function, broken out of reload.
5120 (set_initial_elim_offsets): Likewise.
5121 (init_elim_table): Likewise.
5122 (update_eliminables): Likewise.
5124 * global.c (global_alloc): Delete code to manage the scratch_list.
5125 * local-alloc.c (qty_scratch_rtx): Delete.
5126 (scratch_block): Delete.
5127 (scratch_list): Delete.
5128 (scratch_list_length): Delete.
5129 (scratch_index): Delete.
5130 (alloc_qty_for_scratch): Delete.
5131 (local-alloc): Update initialization of max_qty.
5132 Delete code to manage the scratch list.
5133 Delete code to allocate/initialize qty_scratch_rtx.
5134 (block_alloc): Don't allocate quantities for scratches.
5135 Delete code to manage the scratch list.
5136 * regs.h (scratch_list): Delete declaration.
5137 (scratch_block): Delete declaration.
5138 (scratch_list_length): Delete declaration.
5139 * reload1.c (reload): Delete code to manage the scratch list.
5140 (spill_hard_reg): Likewise.
5141 (mark_scratch_live): Delete.
5143 * recog.c (alter_subreg): Delete declaration.
5145 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5147 * Makefile.in (cccp.o): Fix typo in last patch.
5149 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5151 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5152 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5154 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5156 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5157 NULL_RTX as an argument.
5159 * Makefile.in (unlibsubdir): Define.
5160 (DRIVER_DEFINES): Use unlibsubdir.
5161 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5162 (stmp-fixinc): Similarly.
5164 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5166 * regmove.c (regmove_optimize): Add variable old_max_uid.
5167 At the end of the function, update basic_block_end.
5169 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5171 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5172 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5175 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5177 * config/arm/arm.c: Improve interworking support.
5179 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5181 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5182 copied from reload_out[r] .
5184 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5186 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5187 with more than three size ranges.
5189 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5191 * rtl.c (mode_name): Add a null string at the end of the array.
5192 (mode_wider_mode): Change type to unsigned char.
5193 (mode_mask_array): New variable.
5194 (init_rtl): Update for mode_wider_mode type change.
5196 * rtl.h (mode_wider_mode): Change type to unsigned char.
5197 (mode_mask_array): Declare.
5198 (GET_MODE_MASK): Use mode_mask_array.
5200 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5202 * calls.c (expand_call) : Encapsulate code into
5203 copy_blkmode_from_reg.
5204 * expr.c (copy_blkmode_from_reg): New function.
5205 * expr.h (copy_blkmode_from_reg): New function.
5206 * integrate.c (function_cannot_inline_p): We can inline
5208 (expand_inline_function): Use copy_blkmode_from_reg
5209 if needed. Avoid creating BLKmode REGs.
5210 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5213 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5215 * config/v850/v850.c: Add function prototypes.
5216 Add support for v850 special data areas.
5218 * config/v850/v850.h: Add support for v850 special data areas.
5220 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5221 HANDLE_PRAGMA_PACK_PUSH_POP.
5222 (push_alignment): New function: Cache an alignment requested
5223 by a #pragma pack(push,<n>).
5224 (pop_alignment): New function: Pop an alignment from the
5226 (insert_pack_attributes): New function: Generate __packed__
5227 and __aligned__ attributes for new decls whilst a #pragma pack
5229 (add_weak): New function: Cache a #pragma weak directive.
5230 (handle_pragma_token): Document calling conventions. Add
5231 support for #pragma pack(push,<n>) and #pragma pack (pop).
5233 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5234 are defined enable HANDLE_PRAGMA_PACK.
5235 Move 'struct weak_syms' here (from varasm.c).
5236 Add pragma states for push and pop pragmas.
5238 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5241 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5242 HANDLE_GENERIC_PRAGMAS.
5244 * varasm.c: Move definition of 'struct weak_syms' into
5246 (handle_pragma_weak): Deleted.
5248 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5250 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5252 * c-decl.c (start_function): Add invocation of
5253 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5255 * tm.texi: Remove description of non-existant macro
5256 SET_DEFAULT_SECTION_NAME.
5258 (HANDLE_SYSV_PRAGMA): Document.
5259 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5261 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5263 * config.sub: Recognize i[34567]86-pc-udk as new target.
5264 * configure.in: Likewise.
5265 * config/i386/t-udk: New file.
5266 * config/i386/udk.h: New file.
5268 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5270 * reorg.c (check_annul_list_true_false): Remove unused variables.
5271 (steal_delay_list_from_target): Add missing "used_annul" variable.
5272 (try_merge_delay_insns): Close out half formed comment.
5274 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5276 * cpplib.c (macroexpand): If arg->raw_before or
5277 arg->raw_after, remove any no-reexpansion escape at the
5278 beginning of the pasted token. Correct handling of whitespace
5279 markers and no-reexpand markers at the end if arg->raw_after.
5281 * toplev.c (documented_lang_options): Recognize -include,
5282 -imacros, -iwithprefix, -iwithprefixbefore.
5283 * cpplib.c (cpp_start_read): Process -imacros and -include
5284 switches at the same time and in command-line order, after
5285 initializing the dependency-output code. Emit properly nested
5286 #line directives for them. Emit a #line for the main file
5287 before processing these switches, and don't do it again
5290 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5292 * function.c (purge_addressof_1): Use bitfield manipulation
5293 routines to handle mem mode < reg mode.
5295 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5297 * reorg.c (try_merge_delay_insns): Account for resources referenced
5298 in each instruction in INSN's delay list before trying to eliminate
5299 useless instructions. Similarly when looking at a trial insn's delay
5302 * reorg.c (check_annul_list_true_false): New function.
5303 (steal_delay_list_from_{target,fallthrough}): Call it and also
5304 refine tests for when we may annul if already filled a slot.
5305 (fill_slots_from_thread): Likewise.
5306 (delete_from_delay_slot): Return newly-created thread.
5307 (try_merge_delay_isns): Use its new return value.
5309 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5311 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5312 used to compute a giv or as some other non-counting use.
5314 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5316 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5317 * local-alloc.c (find_free_reg): Use it.
5318 * global.c (find_reg): Likewise.
5319 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5321 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5322 * caller-save.c (init_caller_save): Use it.
5323 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5325 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5327 * configure.in: Add --enable-cpplib option which uses cpplib
5328 for cpp, but doesn't link cpplib into cc1. Make help text
5329 capitalization consistent.
5330 * configure: Rebuilt.
5332 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5334 * function.c (gen_mem_addressof): If the address REG is
5335 REG_USERVAR_P make the new REG be so also.
5336 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5337 in an attempt to clarify slightly.
5339 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5341 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5342 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5344 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5346 * toplev.c: Fix last patch.
5348 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5350 * loop.c (get_condition): Fix typo in May 9 change.
5352 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5354 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5356 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5358 * toplev.c (documented_lang_options): Spelling corrections.
5360 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5362 * configure.in: new flags --with-ld and --with-as, equivalent
5363 to setting LD and AS environment variables. Test whether
5364 specified arguments are GNU commands, and report them with
5365 checking messages. Use the specified AS for configure
5368 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5370 * gcc.c (find_a_file): when looking for `as' and `ld', return
5371 the DEFAULT program if it exists
5372 * collect2.c (main): use DEFAULT_LINKER if it exists
5374 * gcc.c (find_a_file): the test for existence of a full
5375 pathname was reversed
5377 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5379 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5380 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5382 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5384 * tree.h (TYPE_BINFO): Document.
5386 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5388 * i386-coff.h (dbxcoff.h): Added.
5390 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5392 * toplev.c: fix bad patch around flag_data_sections.
5394 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5396 * reload1.c (reload): Use reload_address_index_reg_class and
5397 reload_address_base_reg_class when setting
5398 caller_save_spill_class. (Patch generated by Jim Wilson:
5401 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5403 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5404 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5405 * expr.c (store_field): Add alias_set parameter. Set the
5406 MEM_ALIAS_SET accordingly, if the target is a MEM.
5407 (expand_assignment): Use it.
5408 (store_constructor_field): Pass 0.
5409 (expand_expr): Likewise.
5411 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5413 * flags.h: Add flag_data_sections.
5414 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5415 (compile_file): Error if flag_data_sections not supported.
5416 * varasm.c (assemble_variable): Handle flag_data_sections.
5417 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5418 * config/mips/elf.h: Likewise.
5419 * config/mips/elf64.h: Likewise.
5420 * invoke.texi: Describe -fdata-sections.
5422 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5424 * invoke.texi (-ffloat-store): Clarify that this option
5425 does not affect intermediate results -- only variables.
5427 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5429 * cpp.texi: Update for Fortran usage from Craig.
5431 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5433 * rs6000.c (function_arg_boundary): Revert accidental change on
5436 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5438 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5439 (output_mi_thunk): Declare.
5441 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5442 (output_function_profiler): Use r12 for temp, instead of r11 so
5443 that we preserve the static chain register.
5445 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5447 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5449 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5451 * sh.c (gen_shl_sext): Fix case 5.
5453 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5455 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5457 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5459 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5460 accessing variables until they are initialized via va_arg().
5462 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5464 * reload1.c (reload_combine): Initialize set before using.
5466 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5468 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5471 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5473 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5474 operand3 with mask before using it. Patch provided by Jim Wilson.
5476 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5478 * config/sparc/sparc.c (function_value): Perform the equivalent of
5479 PROMOTE_MODE for ARCH64.
5480 (eligible_for_epilogue_delay): Allow DImode operations in delay
5481 slot of a return for ARCH64.
5483 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5485 * sh.md (sqrtsf2): Fix mode of sqrt.
5487 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5489 * reload1.c (choose_reload_regs): Also try inheritance when
5490 reload_in is a stack slot of a pseudo, even if we already got a
5493 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5495 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5496 (reload_cse_regs): New function body: call reload_cse_regs_1,
5497 reload_combine, reload_cse_move2add.
5498 When doing expensive_optimizations, call reload_cse_regs_1 a
5499 second time after reload_cse_move2add.
5500 (reload_combine, reload_combine_note_store): New functions.
5501 (reload_combine_note_use): New function.
5502 (reload_cse_move2add, move2add_note_store): New functions.
5504 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5506 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5507 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5509 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5510 more than 3 such reloads.
5512 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5513 RELOAD_FOR_X_ADDR_ADDR reload.
5515 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5517 * expr.c (store_constructor): When initializing a field that is smaller
5518 than a word, at the start of a word, try to widen it to a full word.
5520 * cse.c (cse_insn): When we are about to change a register,
5521 remove any invalid references to it.
5523 (remove_invalid_subreg_refs): New function.
5524 (mention_regs): Special treatment for SUBREGs.
5525 (insert_regs): Don't strip SUBREG for call to mention_regs.
5526 Check if reg_tick needs to be bumped up before that call.
5527 (lookup_as_function): Try to match known word_mode constants when
5528 looking for a norrower constant.
5529 (canon_hash): Special treatment for SUBREGs.
5531 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5533 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5534 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5535 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5536 and offsets in actual stack trampoline code so they match the
5537 commentary and actually work.
5539 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5541 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5543 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5544 tmake_file. Set extra_parts to needed crt objects.
5545 * configure: Rebuilt.
5546 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5547 (TARGET_DEFAULT): Set if default is v9 or ultra.
5548 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5549 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5550 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5551 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5552 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5553 (TARGET_VERSION): Define.
5554 (MULTILIB_DEFAULT): Define.
5555 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5556 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5557 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5559 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5560 * config/sparc/sparc.c (sparc_override_options): If arch and
5561 pointer size disagree, emit diagnostic and fix it up. If
5562 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5563 V8PLUS in 64-bit mode.
5564 * config/sparc/t-linux64: New file.
5565 * config/sparc/t-sol2-64: New file.
5566 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5567 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5568 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5569 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5570 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5571 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5573 (STARTFILE_SPEC): Set approriately based upon those.
5574 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5575 disposition of DEFAULT_ARCH32_P.
5576 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5577 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5578 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5579 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5580 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5582 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5584 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5586 * rtl.h (init_virtual_regs): New function.
5587 * emit-rtl.c (init_virtual_regs): Define.
5588 (insn_emit): Use it.
5589 * integrate.c (save_for_inline_copying): Likewise.
5591 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5593 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5594 (enum reg_class): Add NONARG_LO_REGS support.
5595 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5596 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5597 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5598 completes. Re-enable HImode REG+OFFSET addresses.
5599 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5601 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5603 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5605 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5606 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5607 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5609 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5611 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5612 jumps as a single entity, taking into account the size of the
5615 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5617 * tree.def (SWITCH_EXPR): New tree node definition.
5619 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5621 * version.c: Bump for snapshot.
5623 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5625 * version.c: Bump for snapshot.
5627 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5629 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5632 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5634 * Revert this patch.
5635 * reload.c (find_reloads): Do not replace a pseudo with
5636 (MEM (reg_equiv_addr)) in the initializing insn for the
5639 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5641 * final.c (final_scan_insn): Disable tracking CC across branches.
5643 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5645 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5646 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5647 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5648 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5649 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5651 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5653 * toplev.c (rest_of_compilation): Skip compiling anything with
5654 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5656 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5658 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5659 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5660 use in_libcall_block.
5661 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5662 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5665 Mon Sep 21 14:02:23 1998
5667 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5668 typo in no-fancy-math-387 description.
5670 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5672 * version.c: Bump for snapshot.
5674 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5676 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5678 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5680 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5681 documented in install.texi.
5682 (TARGET_OPTIONS) Likewise.
5684 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5686 * version.c: Bump for snapshot.
5688 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5690 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5691 * cccp.c (main): Likewise.
5693 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5694 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5697 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5699 * Makefile.in (LIBS): Link in libiberty.a.
5700 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5702 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5704 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5705 it to update bb boundaries. Update caller.
5706 * function.c (reposition_prologue_and_epilogue_notes): Update
5707 bb boundaries wrt the moved note.
5709 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5711 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5713 * configure: Regenerate.
5715 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5717 * alpha.c (alpha_sr_alias_set): New variable.
5718 (override_options): Set it.
5719 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5720 (mode_mask_operand): Fix signed-unsigned comparision warning.
5721 (alpha_expand_block_move): Likewise.
5722 (print_operand): Likewise.
5723 (get_aligned_mem): Use change_address.
5724 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5725 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5726 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5727 (alpha_align_insns): Remade from old alphaev5_align_insns
5728 to handle multiple processors.
5729 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5730 * output.h (label_to_alignment): Prototype.
5732 * tree.c (new_alias_set): New function.
5733 * tree.h (new_alias_set): Declare it.
5734 * c-common.c (c_get_alias_set): Use it.
5736 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5738 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5739 to an ABS expr, convert an unsigned input to signed.
5741 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5743 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5745 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5747 * configure.in: Add support for c4x targets.
5748 * configure: Rebuilt.
5750 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5752 * combine.c (distribute_notes): If an insn is a cc0 user, only
5753 delete it if we can also delete the cc0 setter.
5755 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5757 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5758 (invert_truthvalue): Enable truthvalue inversion for
5759 floating-point operands if -ffast-math.
5761 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5763 * configure.in: Disable collect2 for nextstep. Instead use
5765 * configure: Rebuilt.
5766 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5767 (ENDFILE_SPEC): Define.
5768 (OBJECT_FORMAT_MACHO): Define.
5769 (EH_FRAME_SECTION_ASM_OP): Define.
5770 * crtstuff.c: Handle MACHO.
5772 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5774 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5776 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5778 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5779 (_fpadd_parts): Get sign right for 0.
5781 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5783 * ginclude/varargs.h: Add support for C4x target.
5784 * ginclude/stdargs.h: Likewise.
5786 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5788 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5789 (alpha_emit_set_long_const): Rewrite to be callable from reload
5791 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5792 * alpha.md (movdi): Likewise.
5794 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5796 * arm.c (add_constant): New parameter address_only, change caller.
5797 Set it non-zero if taking the address of an item in the pool.
5798 (arm_reorg): Handle cases where we need the address of an item in
5801 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5803 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5804 memory addresses that are not in standard canonical form.
5806 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5808 * README.C4X: New file with information about the c4x ports.
5809 * ginclude/va-c4x.h: New file for c4x varargs support.
5810 * config/c4x: New directory with c4x port files.
5812 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5814 * reload.c (find_reloads): Do not replace a pseudo with
5815 (MEM (reg_equiv_addr)) in the initializing insn for the
5818 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5820 * toplev.c (rest_of_compilation): Set bct_p on second call to
5822 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5824 (strength_reduce): Only call analyze_loop_iterations and
5825 insert_bct if bct_p set.
5826 (check_dbra_loop): Fix typo.
5827 (insert_bct): Use word_mode instead of SImode.
5828 (instrument_loop_bct): Likewise. Do not delete iteration count
5829 condition code generation insn. Initialize iteration count before
5831 * rtl.h (loop_optimize): Update prototype.
5833 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5834 not doubleword aligned.
5836 * rs6000.c (optimization_options): New function.
5837 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5838 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5839 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5840 first; cr1 can be used for FP record condition insns.
5842 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5844 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5847 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5850 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5852 (block_move_call): New function: Call a library routine to copy a
5854 (m32r_expand_block_move): New function: Expand a "movstrsi"
5855 pattern into a sequence of insns.
5856 (m32r_output_block_move): New function: Expand a
5857 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5858 (m32r_block_immediate_operand): New function: Return true if the
5859 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5861 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5863 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5865 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5867 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5869 * regmove.c (copy_src_to_dest): Check that modes match.
5871 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5873 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5875 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5877 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5878 narrower than FLOAT_REGS.
5880 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5882 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5884 * Makefile.in (old_gxx_include_dir): removed
5886 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5888 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5891 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5892 (sh_handle_pragma): Change function arguments to match new
5893 specification for HANDLE_PRAGMA.
5895 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5897 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5899 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5900 When generating output, initialize missing struct member to zero.
5902 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5904 * regmove.c (copy_src_to_dest): Don't copy if that requires
5905 (a) new register(s).
5907 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5909 * global.c (reg_allocno): Now static.
5910 * reload1.c (reg_allocno): Delete declaration.
5911 (order_regs_for_reload): Take no arguments. Don't treat regs
5912 allocated by global differently than those allocated by local-alloc.
5914 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5916 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5917 condition, fix format strings.
5918 (output_function_epilogue): Likewise.
5920 * m68k/m68k.c: Don't include <stdlib.h> directly.
5922 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5924 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5925 mem_first_set, mem_last_set; because 0 can be a CUID.
5926 (oprs_unchanged_p): Use new definition.
5927 (record_last_reg_set_info): Likewise.
5928 (record_last_mem_set_info): Likewise.
5929 (compute_hash_table): Likewise.
5931 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5933 * rs6000.c (output_epilogue): Handle Chill.
5935 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5936 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5938 * combine.c (make_extraction): If no mode is specified for
5939 an operand of insv, extv, or extzv, default it to word_mode.
5940 (simplify_comparison): Similarly.
5941 * expmed.c (store_bit_field): Similarly.
5942 (extract_bit_field): Similarly.
5943 * function.c (fixup_var_regs_1): Similarly.
5944 * recog.c (validate_replace_rtx_1): Similarly.
5945 * mips.md (extv, extzv, insv expanders): Default modes for most
5946 operands. Handle TARGET_64BIT.
5947 (movdi_uld, movdi_usd): New patterns.
5949 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5950 equivalent memory location unless we have been provided a scratch
5951 register. Similarly do not call find_replacement unless a
5952 scratch register has been provided.
5954 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5956 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5959 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5961 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5962 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5963 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5964 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5965 * c-decl.c (init_decl_processing): Update accordingly.
5966 * expr.c (expand_builtin): Likewise.
5968 * rtl.h (global_rtl): Add cfa entry.
5969 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5970 (LAST_VIRTUAL_REGISTER): Update.
5971 * emit-rtl.c (global_rtl): Add cfa entry.
5972 (init_emit): Initialize it.
5973 * function.c (cfa_offset): New.
5974 (instantiate_virtual_regs): Initialize it.
5975 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5976 (expand_function_end): Call expand_eh_return.
5977 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5979 * except.c (current_function_eh_stub_label): Kill.
5980 (current_function_eh_old_stub_label): Likwise; update all references.
5981 (expand_builtin_set_return_addr_reg): Kill.
5982 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5983 (expand_builtin_set_eh_regs): Kill.
5984 (eh_regs): Produce a third reg for the actual handler address.
5985 (eh_return_context, eh_return_stack_adjust): New.
5986 (eh_return_handler, eh_return_stub_label): New.
5987 (init_eh_for_function): Initialize them.
5988 (expand_builtin_eh_return, expand_eh_return): New.
5989 * except.h: Update prototypes.
5990 * flow.c (find_basic_blocks_1): Update references to the stub label.
5991 * function.h (struct function): Kill stub label elements.
5993 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5994 register number is one that would be in the previous window.
5995 Provide a dummy definition for non-windowed targets.
5996 (get_reg_addr): New function.
5997 (get_reg, put_reg, copy_reg): Use it.
5998 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5999 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6001 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6002 (alpha_init_expanders): Initialize it.
6003 (alpha_expand_epilogue): Use it.
6004 * alpha.h: Declare it.
6005 * alpha.md (eh_epilogue): New.
6007 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6008 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6010 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6012 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6015 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6017 * except.h (struct eh_entry): Add false_label field.
6018 (end_catch_handler): Add prototype.
6019 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6020 (start_catch_handler): When using old style exceptions, issue
6021 runtime typematch code before continuing with the handler.
6022 (end_catch_handler): New function, generates label after handler
6023 if needed by older style exceptions.
6024 (expand_start_all_catch): No need to check for new style exceptions.
6025 (output_exception_table_entry): Only output the first handler label
6026 for old style exceptions.
6027 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6028 mechanism into one function, if a runtime matcher is provided.
6030 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6032 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6034 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6036 * integrate.c (copy_decl_list): Fix typo.
6038 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6040 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6043 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6045 * version.c: Bump for snapshot.
6047 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6049 * version.c: Bump for snapshot.
6051 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6053 * version.c: Bump for snapshot.
6055 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6057 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6059 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6061 * configure.in: remove usage of `!' to negate the result of a
6062 command; some common shells do not support it
6064 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6066 * configure.in: in sparc9-sol2 config, use 'if test' not
6068 * configure: Rebuilt.
6070 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6072 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6073 (CPP_CPU_DEFAULT_SPEC): Likewise.
6074 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6075 for arch64 libfuncs.
6077 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6080 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6082 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6084 * collect2.c: Don't declare `sys_siglist' here.
6085 (my_strsignal): Prototype and define new function. Use it in
6086 place of `sys_siglist' hacks.
6088 * mips_tfile.c: Likewise.
6090 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6091 (GCC_NEED_DECLARATIONS): Likewise.
6093 * system.h (strsignal): Prototype it, if necessary.
6094 (sys_siglist): Declare it, if necessary.
6096 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6098 * loop.c (move_movables): While removing insn sequences, preserve
6099 the next pointer of the most recently deleted insn when we skip
6102 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6104 * objc/config-lang.in: Do not output the name of the selected
6105 thread file when building the front-end. The Makefile for the
6106 runtime library will do this.
6108 * objc/Make-lang.in: Do not build the runtime library or install
6109 the Objective C header files. The Makefile for the runtime
6110 library will do this.
6112 * objc/Makefile.in (all.indirect): Only build the front-end.
6113 (compiler): Rename to `frontend'.
6114 (obj-runtime): Remove target.
6115 (copy-headers): Likewise.
6116 (clean): No need to remove `libobjc.a' any longer.
6118 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6120 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6121 supported with -mcpu=xxx.
6123 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6125 * flow.c (mark_set_1): Recognize multi-register structure return
6126 values in CALL insns.
6127 (mark_used_regs): Likewise.
6128 (count_reg_sets_1): Likewise.
6129 (count_reg_references): Likewise.
6130 * rtlanal.c (note_stores): Likewise.
6131 (reg_overlap_mentioned_p): Likewise.
6132 * haifa-sched.c (check_live_1): Likewise.
6133 (update_live_1): Likewise.
6134 (sched_analyze_1): Likewise.
6135 (sched_note_set): Likewise.
6136 (birthing_insn_p): Likewise.
6137 (attach_deaths): Likewise.
6139 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6142 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6144 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6146 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6148 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6150 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6152 * configure.in: Add check for GAS subsection -1 support.
6153 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6154 * configure config.in: Rebuilt.
6155 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6156 SImode is subsection -1 works, else use DImode.
6157 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6158 subsection -1 works.
6159 * config/sparc/sparc.c (sparc_output_addr_vec,
6160 sparc_output_addr_diff_vec): Use them if defined.
6162 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6164 * tree.h (DECL_ORIGIN): New macro.
6165 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6166 (copy_decl_list): Use it.
6167 (integrate_parm_decls): Likewise.
6168 (integrate_decl_tree): Likewise.
6169 * dwarf2out.c (decl_ultimate_origin): Simplify.
6170 * dwarfout.c (decl_ultimate_origin): Likewise.
6171 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6172 (pushdecl): Likewise.
6174 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6176 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6178 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6180 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6182 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6184 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6185 empty or has a single entry.
6187 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6188 before calling reg_to_stack.
6190 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6192 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6193 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6195 * c-tree.h (warn_long_long): Declare it.
6197 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6199 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6200 initialized float-int union if the value is a NaN.
6202 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6204 * c-lex.c (real_yylex): Don't warn about long long constants if
6205 we're allowing long long
6207 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6209 * except.h (current_function_eh_stub_label): Declare.
6210 (current_function_eh_old_stub_label): Declare.
6211 * function.h (struct function): New members eh_stub_label and
6213 * except.c (current_function_eh_stub_label): New variable.
6214 (current_function_eh_old_stub_label): New variable.
6215 (init_eh_for_function): Clear them.
6216 (save_eh_status): Save them.
6217 (restore_eh_status): Restore them.
6218 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6219 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6220 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6221 make an edge from the block that contains it to the block starting
6222 with the label if this label is one of the eh stub labels.
6223 If eh stub labels exist, show they are reachable from the last block
6226 * reload1.c (reload): Break out several subroutines and make some
6228 (calculate_needs_all_insns): New function, broken out of reload.
6229 (calculate_needs): Likewise.
6230 (find_reload_regs): Likewise.
6231 (find_group): Likewise.
6232 (find_tworeg_group): Likewise.
6233 (something_needs_reloads): New global variable, formerly in reload.
6234 (something_needs_elimination): Likewise.
6235 (caller_save_spill_class): Likewise.
6236 (caller_save_group_size): Likewise.
6237 (max_needs): Likewise.
6238 (group_size): Likewise.
6239 (max_groups): Likewise.
6240 (max_nongroups): Likewise.
6241 (group_mode): Likewise.
6242 (max_needs_insn): Likewise.
6243 (max_groups_insn): Likewise.
6244 (max_nongroups_insn): Likewise.
6245 (failure): Likewise.
6247 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6249 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6251 * loop.c (load_mems): Copy rtx for output mem.
6253 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6255 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6256 mips1 or mips2 either.
6258 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6260 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6262 (pa_adjust_insn_length): Update to work with new marking scheme
6263 for jumps inside switch tables.
6264 * pa.md (switch_jump): Remove pattern.
6265 (jump): Handle jumps inside jump tables.
6267 * Makefile.in (profile.o): Depend on insn-config.h
6269 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6271 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6273 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6275 Add preliminary native sparcv9 Solaris support.
6276 * configure.in: Recognize sparv9-*-solaris2*
6277 * configure: rebuilt
6278 * config.sub: Recognize sparcv9 just like sparc64.
6279 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6280 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6281 32-bit and 64-bit Solaris systems.
6282 * config/sparc/t-sol2: Assemble those with cpp.
6283 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6284 (*TF*_LIBCALL): If ARCH64 use V9 names.
6285 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6287 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6289 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6290 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6292 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6294 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6295 to Pmode if CASE_VECTOR_MODE is something else.
6297 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6299 * prefix.c (update_path): Correctly handle cases where PATH is
6300 a substring of the builtin prefix, but specifies a different
6303 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6305 * expr.c: Corrected comment about what MOVE_RATIO does.
6306 * config/alpha/alpha.h: Ditto.
6307 * config/1750a/1750a.h: Ditto.
6308 * config/clipper/clipper.h: Ditto.
6309 * config/i386/i386.h: Ditto.
6311 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6313 * configure.in (m68k-next-nextstep3*): Use collect2.
6314 Similarly for x86 NeXT configurations.
6315 * configure: Rebuilt.
6317 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6319 * configure.in: Don't assume srcdir is .../gcc
6320 * configure: Rebuilt.
6322 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6324 * global.c: Update comments.
6325 (global_alloc): Assign allocation-numbers
6326 even for registers allocated by local_alloc in case
6327 they are later spilled and retry_global_alloc is called.
6328 (mark_reg_store, mark_reg_clobber,
6329 mark_reg_conflicts, mark_reg_death): Always record a
6330 conflict with a pseudo register even if it has been
6331 assigned to a hard register.
6332 (dump_conflicts): Don't list pseudo registers already assigned to
6333 a hard register as needing to be allocated, but do list their
6335 * local-alloc.c: Update comment.
6337 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6339 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6340 * configure: Rebuilt.
6342 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6344 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6346 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6347 for all targets that set -msoft-float.
6349 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6351 * toplev.c (print_switch_values): Make static to match prototype.
6353 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6355 * configure.in: If we are unable to find the "gnatbind" program,
6356 then do not configure the ada subdir.
6357 * configure: Rebuilt.
6359 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6361 * version.c: Bump for snapshot.
6363 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6365 * version.c: Bump for snapshot.
6367 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6369 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6370 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6372 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6374 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6376 * genextract.c: Have insn-extract.c include toplev.h.
6378 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6380 * toplev.c: Include expr.h.
6381 (really_sorry, fancy_abort): Remove prototypes.
6382 (set_target_switch): Add argument in prototype.
6383 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6384 (v_really_sorry): Likewise.
6385 (print_version, print_single_switch, print_switch_values): Make
6386 static and add prototype arguments.
6387 (decl_printable_name): Add prototype arguments.
6388 (lang_expand_expr_t): New typedef.
6389 (lang_expand_expr): Declare as a lang_expand_expr_t.
6390 (incomplete_decl_finalize_hook): Add prototype argument.
6391 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6392 (botch): Likewise for variable `s'.
6393 (rest_of_type_compilation): Mark variables `type' and `toplev'
6394 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6395 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6396 (display_help): Make variable `i' an `unsigned long'.
6397 (main): Remove unused parameter `envp'.
6398 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6399 Cast -1 when comparing it with a `size_t'.
6401 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6402 prototype with ATTRIBUTE_NORETURN.
6403 (fatal_insn_not_found, fatal_insn, really_sorry,
6404 push_float_handler, pop_float_handler): Add prototypes.
6405 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6406 (do_abort, botch): Add prototypes.
6408 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6410 * final.c (final): If a label is reached only from a single jump,
6411 call NOTICE_UPDATE_CC on the jump and its predecessor before
6412 emitting the insn after the label.
6414 * i386.h: Add AMD K6 support.
6415 Change TARGET_* macros to use table lookup.
6416 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6417 (ADJUST_COST): Change definition to call function in i386.c.
6418 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6419 * i386.c: Add AMD K6 support.
6420 Add constants for feature tests used by TARGET_* macros.
6421 (split_di): If before reload, call gen_lowpart and gen_highpart.
6422 (x86_adjust_cost): New function.
6423 (put_jump_code): New function.
6424 (print_operand): New codes 'D' and 'd'.
6425 * i386.md: New insn types. New insn attribute "memory".
6426 Redefine scheduling parameters to use new types and add AMD K6
6427 support. Explicitly set type of most insns.
6428 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6429 Pro and K6 prefer movl $1,reg to incl reg.
6430 (adddi3, subdi3): Set cc_status.
6431 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6432 to int; x86 can't have more than 2^31 DImode shifts per file.
6433 (setcc): Combine all setcc patterns. Allow writing memory.
6434 Combine all jump patterns using match_operator.
6435 (*bzero): Name pattern. Emit mutliple stos instructions when that
6436 is faster than rep stos.
6437 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6440 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6442 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6445 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6447 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6448 not whatever we're generating now.
6450 * alpha.c (set_frame_related_p, FRP): New.
6451 (alpha_expand_prologue): Mark frame related insns.
6452 (alpha_expand_epilogue): Likewise, but with a null FRP.
6453 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6454 * alpha.md (exception_receiver): New.
6455 * alpha/crtbegin.asm (.eh_frame): New beginning.
6456 (__do_frame_setup, __do_frame_takedown): New.
6457 * alpha/crtend.asm (.eh_frame): New ending.
6458 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6459 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6460 (ASM_FILE_START): Don't emit .file for dwarf2.
6462 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6463 * rtl.c (reg_note_name): Likewise.
6464 * rtl.texi (REG_NOTES): Likewise.
6465 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6468 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6470 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6471 * i386.md (movsf, movdf, movxf): Validate memory address returned
6472 from force_const_mem. Kill useless REG_EQUAL setting code.
6474 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6476 * m68k.md (zero_extendsidi2): Fix typo.
6478 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6480 * configure.in: Removed references to the removed file
6481 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6482 * arm*-*-netbsd* and ns32k-*-netbsd*.
6483 * config/i386/xm-netbsd.h: Removed unnecessary file.
6484 * config/m68k/xm-netbsd.h: Likewise.
6485 * config/sparc/xm-netbsd.h: Likewise.
6486 * config/mips/xm-netbsd.h: Likewise.
6488 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6490 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6491 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6493 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6494 for exact section attributions.
6496 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6498 * i386/crtdll.h (CPP_PREDEFINES): Define.
6500 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6502 * m68k.md (5200 movqi): Do not allow byte sized memory references
6504 * m68k.c (output_move_qimode): Do not use byte sized operations on
6507 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6508 explicit rules for building. Similarly for alloca, vfprintf,
6509 choose-temp and mkstemp, getopt, getopt1, and obstack.
6510 (INCLUDES): Add $(srcdir)/../include.
6511 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6512 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6514 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6516 * gcc.c (do_spec_1): [case 'o'] Account for
6517 lang_specific_extra_outfiles.
6518 (main): Correctly clear all slots in outfiles for
6519 lang_specific_extra_outfiles. Set input_file_number before
6520 calling lang_specific_pre_link.
6522 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6524 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6526 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6528 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6530 (sparc_output_deferred_case_vectors): If no work to do, return.
6531 Fix thinko in Sept 1 change.
6533 1998-09-03 SL Baur <steve@altair.xemacs.org>
6535 * Makefile.in: add semicolon in BISON definition for portability.
6537 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6539 * config/nextstep.c (handle_pragma): Correct name of third
6542 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6544 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6545 * config/m32r/m32r.h: Make register 17 be fixed.
6546 * config/m32r/m32r.c: Use SImode for cc operations.
6548 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6550 * invoke.texi (Warning Options): Add -Wnon-template-friend
6553 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6555 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6557 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6559 * rs6000.md (movsf): Disable explicit secondary-reload-like
6560 functionality if TARGET_POWERPC64.
6561 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6564 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6566 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6567 and term.h from fixinc.wrap.
6569 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6571 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6572 safe to include both string.h and strings.h together.
6573 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6574 which headers to search for function declarations. Continue to
6575 prefer string.h over strings.h when both are not acceptable.
6577 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6579 * configure.in: Call GCC_HEADER_STRING.
6581 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6582 to include. Continue to prefer string.h over strings.h when both
6585 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6587 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6588 not assume top 32-bits of symbolic addresses are zero if
6591 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6593 * ginclude/va-alpha.h: Protect entire second portion of the
6594 file against double inclusion.
6596 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6598 Added support for the Boehm's garbage collector.
6599 * configure.in: Handle --enable-objc-gc.
6600 * configure: Rebuilt.
6601 * Makefile.in (CHECK_TARGETS): Add check-objc.
6602 (check-objc): New rule.
6603 * objc/Make-lang.in: Build a different Objective-C library that
6604 runs with the Boehm's collector.
6605 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6606 * objc/encoding.c: Correctly compute the size of compound types in
6607 the presence of bitfields. Skip the variable name of the type if
6608 any. Added support for long long.
6609 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6610 (_F_GCINVISIBLE): New mask.
6611 * objc/gc.c: New file. Compute the type memory mask associated with
6612 a class based on the runtime information.
6613 * objc/misc.c: Added the hooks that use the Boehm's collector
6614 allocation functions.
6615 * objc/objc-act.c (build_class_template): Generate a new class
6616 member (gc_object_type) to hold the class' type memory mask.
6617 (build_shared_structure_initializer): Initialize the new member to
6619 (encode_complete_bitfield): New function. Generate the new
6621 (encode_field_decl): Generate the new encoding only for the GNU
6623 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6625 (class_get_gc_object_type): New function to mark a pointer instance
6626 variable as a weak pointer.
6627 * objc/objc-features.texi: New file.
6628 * objc/objc.h (gc_object_type): New class member.
6629 * objc/objects.c (class_create_instance): Create a typed memory
6630 object when compiled with Boehm's collector support.
6631 * objc/sendmsg.c (__objc_init_install_dtable): Call
6632 __objc_send_initialize instead of setting the initialize flag.
6633 (__objc_send_initialize): Call __objc_generate_gc_type_description
6634 to generate the class type memory mask. Rewrite the code that
6635 sends the +initialize so that it is called only once (bug report
6636 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6637 * testsuite/objc: New testsuite for Objective-C type encoding.
6638 * testsuite/lib/objc-torture.exp: New file.
6639 * testsuite/lib/objc.exp: New file.
6641 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6643 * jump.c (jump_optimize): In if/then/else transformations, add
6644 another call to modified_between_p for the jump insn.
6646 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6648 * fix-header.c (symlink): Treat like readlink.
6650 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6652 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6655 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6657 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6658 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6659 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6661 * config/nextstep.c (handle_pragma): Take three arguments, as per
6662 the new HANDLE_PRAGMA macro specification.
6663 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6664 per the new HANDLE_PRAGMA macro specification.
6665 * config/i960/i960.c (process_pragma): Take three arguments, as
6666 per the new HANDLE_PRAGMA macro specification.
6668 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6670 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6671 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6672 if unknown pragmas are encountered.
6673 (handle_sysv_pragma): Interpret return code from
6674 handle_pragma_token (). Return success/failure indication rather
6675 than next unprocessed character.
6676 (pragma_getc): New function: retrieves characters from the
6677 input stream. Defined when HANDLE_PRAGMA is enabled.
6678 (pragma_ungetc): New function: replaces characters back into the
6679 input stream. Defined when HANDLE_PRAGMA is enabled.
6681 * c-pragma.c (handle_pragma_token): Return success/failure status
6684 * c-pragma.h: Change prototype of handle_pragma_token().
6686 * varasm.c: (handle_pragma_weak): Only create this function if
6687 HANDLE_PRAGMA_WEAK is defined.
6689 * c-common,c (decl_attributes): If defined call the expression
6690 contained within the INSERT_ATTRIBUTES macro before adding
6691 attributes to a decl.
6693 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6694 HANDLE_PRAGMA, which takes three arguments.
6695 (INSERT_ATTRIBUTES): Document this new macro.
6697 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6698 new INSERT_ATTRIBUTES macro.
6700 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6702 * config/sparc/sparc.md (movdf): Only generate special RTL for
6703 LABEL_REFs when PIC.
6704 (move_label_di): Remove
6705 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6706 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6707 references when PIC.
6708 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6709 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6710 output an .xword for all 64-bit cases.
6712 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6714 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6715 alignment, use FUNCTION_BOUNDARY instead.
6716 (sparc_output_deferred_case_vectors): Likewise.
6718 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6720 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6721 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6723 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6725 * alpha/va_list.h: New file.
6726 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6728 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6730 * NEWS: Add SCO Openserver and Unixware 7 notes.
6734 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6736 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6737 (record_constant_1): Handle RANGE_EXPR.
6739 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6741 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6742 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6743 and NOTE_INSN_RANGE_END specially.
6744 (reemit_notes): Likewise.
6746 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6748 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6749 (ultrasparc_sched_init): Remove unneeded &.
6751 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6753 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6754 for m68020-60, to prevent the use of fintrz.
6756 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6758 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6760 * Makefile.in: Likewise.
6761 * configure: Regenerated.
6763 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6765 * configure.in (gxx_include_dir): Changed to
6766 '${prefix}/include/g++'-${libstdcxx_interface}.
6767 * configure: Rebuilt.
6769 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6771 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6773 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6774 *sequences* *below* which scalar moves will be used.
6776 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6778 * collect2.c (mktemp): Delete unused declaration.
6780 * config/xm-netbsd.h: Remove unnecessary file.
6781 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6782 file anymore, it is not needed.
6784 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6786 * convert.c (convert_to_integer): Issue an error on conversions to
6789 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6791 * Makefile.in: Add lang_tree_files and gencheck.h.
6792 * configure.in: Generate them.
6793 * gencheck.c: Include gencheck.h.
6795 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6797 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6798 movdi_lo_sum_pic and movdi_high_pic and make visible.
6799 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6800 emit these when Pmode is not SImode.
6801 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6803 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6805 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6806 .linkonce directive after the first time.
6808 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6810 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6811 the clobbered operand overlaps with an input.
6812 (bne0_di): Similarly.
6814 * Makefile.in (INSTALL): Remove "--no-header" argument.
6816 * NEWS: Various updates.
6818 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6820 * config/sparc/sparc.c (arith_operand, const64_operand,
6821 const64_high_operand, arith_double_4096_operand): Mark mode as
6823 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6825 (sparc_emit_set_const64): Remove unused variable i.
6826 (sparc_splitdi_legitimate): Likewise for addr_part.
6827 (ultra_code_from_mask): Likewise for mask.
6828 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6829 reverse return values so it matches usage and comments.
6830 (ultra_flush_pipeline): Likewise.
6831 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6832 this_type, and allow loads and stores of differing FP modes as
6833 they do not create a conflict.
6834 (ultra_find_type): Initialize fpmode to SFmode, fix
6835 parenthesization thinkos in large conditional.
6836 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6837 Init free_slot_mask after ultra_cur_hist is reset, not before.
6838 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6839 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6840 use ultra_flush_pipeline instead, then re-init group pointer.
6841 Fix statement with no effect. If no progress made in, and no
6842 instructions scheduled at all, advance to new pipeline cycle else
6843 we get into an endless loop.
6844 (ultrasparc_adjust_cost): Remove previous arg.
6845 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6847 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6849 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6850 code. Use reg_overlap_mentioned_p to detect when source and
6851 destination overlap.
6852 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6854 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6856 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6857 COMPARISON_VAL, into invariant_p.
6859 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6861 * regmove.c (regclass_compatible_p): New function.
6862 (regmove_optimize): Use it.
6864 Use NREGS parameter insted of calling max_reg_num.
6866 (fixup_match_1): Don't use code = MINUS when later tieing with
6867 a hard register is likely.
6869 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6871 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6872 COMPARISON_VAL was normalized.
6874 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6876 * loop.c (check_dbra_loop): The loop ending comparison value
6877 must be an invariant or we can not reverse the loop.
6879 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6880 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6882 (load_mems_and_recount_loop_regs_set): Likewise.
6884 * i386.c (print_operand): Remove obsolete 'c' docs.
6886 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6888 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6889 * frame.c (init_object_mutex): New function.
6890 (init_object_mutex_once): Likewise.
6891 (find_fde): Call it.
6892 (__register_frame_info): Likewise.
6893 (__register_frame_info_table): Likewise.
6894 (__deregister_frame_info): Likewise.
6896 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6898 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6900 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6902 * loop.c (check_dbra_loop): Enable code for reversal
6903 of some loops without a known constant loop end.
6905 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6907 * haifa-sched.c (last_clock_var): New.
6908 (schedule_block): Initialize it.
6909 (schedule_insn): Use it to fill insn modes with issue information.
6911 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6912 Tag trapb and next insn with TImode.
6913 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6914 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6915 Invoke alphaev5_align_insns as appropriate.
6916 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6917 (MD_SCHED_VARIABLE_ISSUE): New.
6918 * alpha.md (attr type): Add multi.
6919 (define_asm_attributes): New.
6920 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6921 (arg_home): Likewise.
6922 (fnop, unop, realign): New.
6924 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6926 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6927 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6929 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6930 (rs6000-ibm-aix4.[12]*): Likewise.
6931 * configure: Regnerate.
6933 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6935 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6936 already contains the return address.
6938 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6940 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6941 word sized hunks when loading unaligned args into registers.
6943 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6944 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6946 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6948 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6950 * loop.c (check_dbra_loop): Add some code that would allow reversal
6951 of some loops without a known constant loop end if it were enabled.
6953 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6955 * mips.md (lshrsi3_internal2+2): Fix type-o.
6957 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6959 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6960 correctly with regards to stdio.h.
6962 * calls.c: Remove stdarg.h/varargs.h.
6965 * combine.c: Likewise.
6966 * cpperror.c: Likewise.
6967 * cpplib.c: Likewise.
6968 * cpplib.h: Likewise.
6969 * doprint.c: Likewise.
6970 * emit-rtl.c: Likewise.
6971 * final.c: Likewise.
6972 * fix-header.c: Likewise.
6974 * genattr.c: Likewise.
6975 * genattrtab.c: Likewise.
6976 * gencodes.c: Likewise.
6977 * genconfig.c: Likewise.
6978 * genemit.c: Likewise.
6979 * genextract.c: Likewise.
6980 * genflags.c: Likewise.
6981 * genopinit.c: Likewise.
6982 * genoutput.c: Likewise.
6983 * genpeep.c: Likewise.
6984 * genrecog.c: Likewise.
6985 * mips-tfile.c: Likewise.
6986 * prefix.c: Likewise.
6987 * protoize.c: Likewise.
6988 * regmove.c: Likewise.
6989 * toplev.c: Likewise.
6992 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6994 * config/sparc/sparc.c (sparc_override_options): If not
6995 TARGET_FPU, turn off TARGET_VIS.
6996 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6997 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6998 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6999 (movdi_insn_sp64): Add VIS fzero alternative.
7000 (clear_sf, clear_df): New VIS patterns.
7001 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7003 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7005 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7007 * loop.c (n_times_set, n_times_used, may_not_optimize,
7008 reg_single_usage): Convert to varrays. All uses changed.
7009 (insert_loop_mem): Return a value.
7010 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7011 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7014 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7017 * configure.in: Do not set thread_file to "irix" since no such
7020 * sparc.md (float abs/neg splits): Check reload_completed before
7021 calling alter_subreg.
7023 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7025 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7027 * config/sparc/sparc.h: Declare it.
7028 * config/sparc/sparc.md (float abs/neg splits): Use it.
7029 (all other splits): Handle SUBREGs properly where necessary.
7030 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7032 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7034 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7035 an insn on the unfilled_slots_list that has no delay slots.
7036 (fill_eager_delay_slots): Similarly.
7038 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7040 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7041 as an ordinary operand.
7043 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7045 * tree.c (valid_machine_attribute): Don't apply attributes to both
7048 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7050 * reload.c (operands_match_p): Handle rtvecs.
7052 * i386.c (legitimate_pic_address_disp_p): New.
7053 (legitimate_address_p): Use it.
7054 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7055 Handle constant pool symbols just like statics.
7056 (emit_pic_move): Use Pmode not SImode for clarity.
7057 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7058 [UNSPEC]: New, handling what we killed above.
7059 [PLUS]: Detect and abort on invalid symbol arithmetic.
7060 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7062 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7064 * alias.c: Include output.h.
7065 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7066 different if we're in a varargs function.
7067 * Makefile.in (alias.o): Depend on output.h
7069 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7071 * sh.h (GIV_SORT_CRITERION): Delete.
7073 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7075 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7076 * stupid.c (stupid_life_analysis): Ditto.
7077 * reload1.c (reload): Ditto.
7079 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7081 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7082 arith_double_4096_operand, arith_double_add_operand): New
7084 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7085 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7086 them to transform add/sub 4096 into add/sub -4096.
7088 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7090 * loop.c (scan_loop): Allocate some slop to handle pseudos
7091 generated by move_movables.
7092 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7095 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7097 * tree.def (DECL_RESULT): Correct documentation.
7099 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7101 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7102 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7103 conflicts will all RELOAD_FOR_OUTPUT reloads.
7105 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7106 loads the function result, substitute with a USE.
7108 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7110 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7111 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7112 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7113 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7114 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7115 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7117 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7118 'o' to 'm' for GPR variant constraints.
7120 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7122 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7124 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7126 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7127 when the source and destination overlap.
7129 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7130 clash with global type.
7132 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7134 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7136 * c-common.c (combine_strings): Also set TREE_READONLY.
7137 Change warn_write_strings to flag_const_strings.
7138 * c-decl.c, c-tree.h: Likewise.
7140 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7142 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7143 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7144 sequence, use SET/IOR instead so CSE can see it.
7145 * config/sparc/sparc.md (movhi_const64_special,
7146 movsi_const64_special): New patterns necessitated by that change.
7147 (movhi_high): Remove.
7148 (movhi_lo_sum): Change to match an IOR.
7149 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7150 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7151 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7152 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7153 registers are involved.
7154 (snesi_zero_extend split): Remove reload_completed test.
7155 (unnamed plus and minus zero_extend sidi splits): Add it.
7157 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7159 * extend.texi: Remove description of extension to explicit
7160 instantiation that is now endorsed by standard C++.
7162 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7164 * config/arc/arc.c (arc_initialize_pic): Remove.
7165 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7166 nothing on any platform and is invoked by no-one, it does not even
7167 appear in the documentation.
7168 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7169 * config/sparc/sparc.c (initialize_pic): Likewise.
7170 (find_addr_reg): Remove this as well, no longer referenced after
7173 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7175 * recog.c (validate_replace_rtx_group): New function.
7176 * recog.h (validate_replace_rtx_group): Declare it.
7177 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7178 the entire group of substitutions.
7180 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7182 * loop.c (load_mems): Fix initializers.
7184 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7186 * config/sparc/sparc.md (TFmode splits): Handle destination
7187 registers being referenced in the address correctly.
7189 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7190 TREE_UNSIGNED, when bitsize of type's mode is larger than
7191 HOST_BITS_PER_WIDE_INT.
7193 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7195 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7196 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7197 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7199 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7202 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7204 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7205 * h8300.h (TINY_DATA_NAME_P): Likewise.
7206 (STRIP_NAME_ENCODING): Handle '&'.
7208 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7209 register (it could be accessed via an outer SUBREG).
7210 (REG_OK_FOR_BASE_P): Likewwise.
7211 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7213 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7216 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7218 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7220 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7221 must be offsettable so the splits can be made.
7223 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7225 * config/i386/winnt.c: Include system.h, not stdio.h to get
7226 sys/param.h pulled in before rtl.h in case the system defines MIN
7229 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7231 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7233 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7235 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7237 * cpplib.c (cpp_define): Handle macros with parameters.
7239 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7241 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7242 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7243 and DImode 64-bit. Use llong for minimal-toc SFmode and
7244 SYMBOL_REF / LABEL_REF 64-bit.
7245 (output_function_profiler): Use llong for profiler label and ld to
7246 load 64-bit label address.
7248 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7250 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7253 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7255 * version.c: Bump for snapshot.
7257 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7259 * version.c: Bump for snapshot.
7261 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7263 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7265 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7267 * tm.texi (Misc): Fix typo "teh".
7269 * tm.texi (PIC): Fix typo "PPIC".
7271 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7272 effect when -O2 and higher.
7273 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7275 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7277 * regclass.c: Changed register set documentation to be consistent
7280 * final.c (final_start_function) Removed redundant test for
7283 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7285 * rtl.h (rtx_function): New type.
7286 (for_each_rtx): New function.
7287 * rtlanal.c (for_each_rtx): Define it.
7289 * recog.c (change_t): New type.
7290 (change_objects, change_old_codes, change_locs, change_olds):
7292 (changes): New variable.
7293 (validate_change): Dynamically allocate room for more changes, if
7294 necessary. Uses changes array instead of change_objects, etc.
7295 (apply_change_group): Use changes array instead of
7296 change_objects, etc.
7298 * loop.c (loop_mem_info): New type.
7299 (loop_mems): New variable.
7300 (loop_mems_idx): Likewise.
7301 (looop_mems_allocated): Likewise.
7302 (scan_loop): Remove nregs parameter.
7303 (next_insn_in_loop): New function.
7304 (load_mems_and_recount_loop_regs_set): Likewise.
7305 (load_mems): Likewise.
7306 (insert_loop_mem): Likewise.
7307 (replace_loop_mem): Likewise.
7308 (replace_label): Likewise.
7309 (INSN_IN_RANGE_P): New macro.
7310 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7311 (scan_loop): Remove nregs parameter, compute it after any new
7312 registers are created by load_mems. Use INSN_IN_RANGE_P and
7313 next_insn_in_loop rather than expanding them inline. Call
7314 load_mems to load memory into pseudos, if appropriate.
7315 (prescan_loop): Figure out whether or not there are jumps from the
7316 loop to targets other than the label immediately following the
7317 loop. Call insert_loop_mem to notice all the MEMs used in the
7318 loop, if it could be safe to pull MEMs into REGs for the duration
7320 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7322 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7324 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7326 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7328 * config/sparc/sparc.c (finalize_pic): Check for the correct
7329 nonlocal_goto_receiver UNSPEC number.
7330 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7331 making note of this dependency existing in sparc.c
7332 (negtf2_notv9 split): Give NEG SFmode.
7333 (negsf2): Fix insn output string.
7335 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7337 * c-common.c (decl_attributes): Issue an error if the argument
7338 to alias is not a string.
7340 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7342 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7343 pending memory flush list.
7345 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7347 (try_combine): Allow combining insns with REG_LIBCALL notes.
7349 * expr.c (emit_block_move): Do not call memcpy as a libcall
7350 instead build up a CALL_EXPR and call it like any other
7352 (clear_storage): Similarly for memset.
7354 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7357 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7360 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7361 and REG_LIVE_LENGTH as successful substitutions are made.
7363 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7365 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7366 statement after end of loop label.
7368 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7370 * config/sparc/sparc.c (ultra_types_avail): New variable.
7371 (ultra_build_types_avail): New function to record mask of insn
7372 types in ready list at this cycle.
7373 (ultrasparc_sched_reorder): Call it.
7374 (ultra_find_type): Use it to quicken the search. Also simplif
7375 dependency check, don't use rtx_equal_p because we know exactly
7376 what we are looking for.
7378 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7380 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7381 for architecture v4.
7383 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7385 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7387 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7388 movdf_const_intreg and helper splits): New patterns to move float
7389 constants into integer registers.
7390 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7393 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7396 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7398 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7400 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7401 a BASE_REGS register is needed as an intermediate when copying
7402 a symbolic value into any register class other than BASE_REGS.
7404 * expr.c (move_by_pieces): No longer static. Remove prototype.
7405 * rtl.h (move_by_pieces): Add extern prototype.
7406 * mips.c (expand_block_move): Handle aligned straight line copy by
7407 calling move_by_pieces.
7409 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7412 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7414 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7415 jumps out of the loop to be treated as part of the exit test.
7417 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7418 Jeff Law <law@cygnus.com>
7420 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7421 * cplus-dem.c: Delete.
7423 * Makefile.in (fold-const.o): depend on $(RTL_H).
7425 * fold-const.c: Include rtl.h to get the prototype for
7426 `set_identifier_local_value'.
7428 * loop.c (express_from_1): Remove unused variable `tmp'.
7429 (combine_givs): cast the first argument of bzero to char *.
7431 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7433 * c-decl.c (init_decl_processing): Remove unneeded &.
7435 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7437 * except.c (set_exception_lang_code, set_exception_version_code):
7438 Change parameter from `short' to `int' to avoid using a gcc
7441 * except.h (set_exception_lang_code, set_exception_version_code):
7442 Likewise for prototypes.
7444 * flow.c (count_reg_references): Remove unused variables `regno'
7447 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7449 * prefix.c (translate_name): Cast the result of `alloca'.
7451 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7453 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7455 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7457 (valid_dbcc_comparison_p): Mark mode argument as unused.
7458 (symbolic_operand): Likewise.
7459 (legitimize_pic_address): Likewise.
7460 (const_uint32_operand): Likewise.
7461 (const_sint32_operand): Likewise.
7462 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7463 schedule_insns and comment out rest of file.
7465 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7467 (output_move_[hq]imode): Likewise.
7469 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7471 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7472 * invoke.texi: Corresponding changes.
7474 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7476 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7478 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7480 * config/sparc/sparc.c (ultra_code_from_mask,
7481 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7482 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7483 ultrasparc_sched_init, ultrasparc_variable_issue,
7484 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7485 functions to describe UltraSPARC pipeline exactly to Haifa.
7486 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7487 as there is nothing the scheduler can do about it. Indicate that
7488 REG_DEP_OUTPUT's collide. Fixup formatting.
7489 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7490 divide costs on Ultra for DImode.
7491 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7493 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7494 ieuN and add call_no_delay_slot to type list.
7495 (cti function unit): New unit for branches on UltraSPARC.
7496 (subx/addx insns): Set type to misc.
7497 (sidi zero/sign extension insns on arch64): Set type to shift.
7498 (sign_extendhidi2_insn): Set type to sload.
7500 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7502 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7503 (output_epilog): Use if != 0 for offset.
7504 (rs6000_fatal_bad_address): Prepare for Intl.
7505 * rs6000.h (rs6000_fatal_bad_address): Declare.
7506 * rs6000.md (movsfcc, movdfcc): Use else if.
7507 (elf_high): Use {liu|lis}.
7508 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7509 (movsi): Use rs6000_fatal_bad_address.
7511 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7513 * reload.c (find_equiv_reg): Reject equivalences separated
7514 by a volatile instruction.
7516 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7518 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7520 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7522 * alpha.md (movsicc): Fix mode mismatch.
7524 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7526 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7528 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7530 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7532 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7533 write-only modifier from operand 1 constraint.
7535 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7537 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7538 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7540 (sparc_emit_set_const64): Likewise, also when computing trailing
7541 bits do not negate low_bits and make fast_int an int.
7543 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7545 * loop.c (add_label_notes): Do not ignore references to labels
7546 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7547 * gcse.c (add_label_notes): Similarly.
7549 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7551 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7552 (adddi_dishl32): Similarly.
7554 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7556 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7557 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7558 * cse.c (cse_basic_block): Add parens to shut up warnings.
7560 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7562 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7563 sparc_emit_set_const64_longway, const64_is_2insns,
7564 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7565 in 64-bit constant formation.
7566 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7567 rtl for addx not subx.
7568 (define_insn movdi_const64_special): Make available even when
7569 HOST_BITS_PER_WIDE_INT is not 64.
7570 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7571 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7572 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7573 instances of operand 1 inside a QI subreg.
7574 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7575 (one_cmpldi2_sp64): Fix output string.
7576 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7578 (unnamed arch64 ashift DI): Truncate shift count if greater than
7581 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7583 * expr.c (store_expr): Don't optimize away load-store pair
7584 when either source or destination have a side effect.
7586 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7588 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7589 operands of SET are incompatible.
7591 * alpha.md: Fix max and min patterns so modes of SET operands match.
7593 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7595 * configure.in: Avoid [[ by using test and changequote.
7596 * configure: Rebuild.
7598 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7600 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7602 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7603 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7604 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7605 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7606 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7607 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7608 Fix mismatching modes in SET operands.
7609 (conditional move patterns): Fix formatting.
7610 (unnamed subx arch64 pattern): Remove duplicate insn.
7612 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7614 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7615 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7616 (input_operand): Fixup test for what we accept for constant
7618 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7620 (safe_constDI): Remove.
7621 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7622 gen_safe_XOR64): New functions.
7623 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7624 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7626 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7627 available when HOST_BITS_PER_WIDE_INT is not 64.
7628 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7629 move before movdi_insn_sp64 pattern.
7630 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7631 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7632 symbolic_operand as predicate for second operand.
7633 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7634 expander): Give set VOIDmode.
7636 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7638 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7640 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7642 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7644 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7646 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7648 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7650 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7652 * install.texi: Various SCO OpenServer tweaks.
7654 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7656 * reload1.c (eliminate_regs_in_insn): Handle another case when
7657 eliminating the frame pointer to the hard frame pointer. Add
7658 missing ep->to_rtx check to one existing case.
7660 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7662 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7664 * tree.h: De-conditionalize init_priority code.
7666 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7667 * collect2.c (NM_FLAGS): Change from -p to -n.
7669 * configure.in: Turn on collect2 for mipstx39-elf.
7670 Handle use_collect2=no properly.
7672 * c-common.c: De-conditionalize init_priority code.
7673 * collect2.c (extract_init_priority, sort_ids): New fns.
7674 (main): Call sort_ids.
7675 Move sequence_number to file scope.
7677 * configure.in: Handle --enable-init-priority.
7678 * c-common.c (attrs): Add A_INIT_PRIORITY.
7679 (init_attributes, decl_attributes): Likewise.
7680 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7681 * tree.c (get_file_function_name_long): Split out...
7682 (get_file_function_name): ...from here.
7684 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7686 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7689 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7691 * toplev.c (display_help): Add braces to shut up warnings.
7692 * tree.c (simple_cst_equal): Likewise.
7694 * fold-const.c (non_lvalue): Don't deal with null pointer
7696 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7698 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7699 of any size to a pointer.
7701 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7703 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7705 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7707 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7708 which will be saved.
7709 * mn10300.md (prologue insn): Only save registers which need saving.
7710 (epilogue insn): Similarly.
7712 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7715 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7717 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7718 VAR_DECL's in gp addressable sections.
7720 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7722 * sparc.c: Change return <exp> to <exp>; return; in functions
7724 * sparc.md: Add empty semicolon statement after final label in
7727 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7729 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7730 addx_extend_sp64, only allow when TARGET_ARCH64.
7731 (define_insn addx_extend_sp32 and split): Version that works when
7733 (define_insn subx_extend): Likewise.
7734 (define_split adddi3 and subdi3 with zero extension): Fixup and
7735 correct bugs when not TARGET_ARCH64.
7737 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7739 * except.c (set_exception_lang_code, set_exception_version_code):
7740 Use prototype-style definition if __STDC__, to match declaration
7743 * genemit.c: Change FAIL and DONE macros not to use loops.
7745 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7747 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7748 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7750 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7752 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7754 * README.g77: Update from Craig.
7756 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7758 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7760 (safe_constDI sparc_emit_set_const64_quick1,
7761 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7762 analyze_64bit_constant, const64_is_2insns,
7763 create_simple_focus_bits): Fix some bugs when compiled on real
7765 (function_arg_record_value_3, function_arg_record_value_2,
7766 function_arg_record_value): Add fully prototyped forward decls.
7767 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7768 to cmpsi_insn and use on both 64 and 32 bit targets.
7769 (define_insn cmpsi_insn_sp64): Remove.
7770 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7771 (define_insn zero_extendsidi2_insn): Rename to
7772 zero_extendsidi2_insn_sp64.
7773 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7774 assosciated forced split for it.
7776 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7778 * config/sparc/sparc.h: Declare them.
7779 (PREDICATE_CODES): Add them.
7780 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7781 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7783 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7785 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7786 in v9 case as the latter makes the Solaris assembler crash.
7788 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7790 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7791 for TFmode when !v9. We require offsettable memory addresses.
7792 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7793 DFmode register number conversions.
7794 * config/sparc/sparc.md (define_split DFmode moves): If register
7795 is a SUBREG do alter_subreg on it before using.
7796 (define_expand movtf): Fixup comment about alignment on v9.
7797 (define_split TFmode moves): Don't use gen_{high,low}part, create
7798 explicit SUBREGs instead.
7800 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7802 * Makefile.in (mbchar.o): Depend on mbchar.c.
7804 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7805 Richard Henderson <rth@cygnus.com>
7807 Rewrite Sparc backend for better code generation and
7808 improved sparc64 support.
7809 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7811 * config/sparc/sysv4.h: Likewise.
7812 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7813 move_operand, v8plus_regcmp_op, emit_move_sequence,
7814 singlemove_string, doublemove_string, mem_aligned_8,
7815 output_move_double, output_move_quad, output_fp_move_double,
7816 move_quad_direction, output_fp_move_quad, output_scc_insn):
7818 (small_int_or_double): New predicate.
7819 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7820 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7821 old pic_{sethi,lo_sum}_si patterns.
7822 (mem_min_alignment): New generic function to replace
7823 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7824 available and can test for arbitrary alignments. All callers
7826 (save_regs, restore_regs, build_big_number,
7827 output_function_prologue, output_cbranch, output_return,
7828 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7829 sparc_flat_output_function_epilogue): Prettify
7831 (output_function_epilogue): Likewise and add code to output
7832 deferred case vectors.
7833 (output_v9branch): Likewise, add new arg INSN and use it to tack
7834 on branch prediction settings. All callers changed.
7835 (print_operand): Likewise and output %l44 for LO_SUMs when
7837 (sparc_splitdi_legitimate): New function to make sure DImode
7838 splits can be run properly when !arch64.
7839 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7840 Reformat example code in comments.
7841 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7842 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7843 of deferred case vectors we need to output.
7844 (sparc_defer_case_vector): Record a case vector.
7845 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7846 sparc_output_deferred_case_vectors): New functions to output them.
7847 (sparc_emit_set_const32): New function to form 32-bit constants in
7848 registers when that requires more than one instruction.
7849 (safe_constDI, sparc_emit_set_const64_quick1,
7850 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7851 analyze_64bit_constant, const64_is_2insns,
7852 create_simple_focus_bits, sparc_emit_set_const64): New functions
7853 which do the same for 64-bit constants when arch64.
7854 (sparc_emit_set_symbolic_const64): New function to emit address
7855 loading for all code models on v9.
7856 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7857 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7858 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7859 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7860 inaccuracies in comments, add symbolic and text_segment operands
7861 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7862 GENERAL_REGS in these cases as a temp REG is needed to load these
7863 addresses into a register properly.
7864 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7866 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7867 quads are guarenteed to have 16-byte alignment.
7868 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7869 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7870 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7871 deferred case vector implementation.
7872 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7873 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7874 Generate "internal label - label" instead of "label - 1b".
7875 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7876 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7877 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7879 (doublemove_string, output_block_move, output_fp_move_double,
7880 output_fp_move_quad, output_move_double, output_move_quad,
7881 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7882 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7883 (sparc_emit_set_const32, sparc_emit_set_const64,
7884 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7885 mem_min_alignment, small_int_or_double): Add externs.
7886 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7887 UNSPEC_VOLATILE in this backend.
7888 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7889 unary to types which execute in it.
7890 (define_function_unit ieu_shift): Rename to ieu0.
7891 (define_function_unit ieu1): New, executes compare, call, and
7892 uncond_branch type insns.
7893 (define_function_units for type fdivs, fdivd, fsqrt): These
7894 execute in the fpu multiply unit not the adder on UltraSparc.
7895 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7896 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7897 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7898 allows the arith_double_operand predicate and rHI constraint when
7900 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7901 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7902 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7903 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7904 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7905 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7906 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7907 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7908 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7909 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7910 sign_extendqihi2_insn, sign_extendqisi2_insn,
7911 sign_extendqidi2_insn, sign_extendhidi2_insn,
7912 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7913 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7914 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7915 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7916 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7917 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7918 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7919 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7920 smulsi3_highpart_v8plus, unnamed subreg mult,
7921 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7922 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7923 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7924 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7925 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7926 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7927 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7928 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7929 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7930 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7931 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7932 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7933 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7934 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7935 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7936 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7937 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7938 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7939 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7940 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7941 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7942 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7943 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7944 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7945 call_address_untyped_struct_value_sp32,
7946 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7947 call_value_symbolic_sp32, call_value_address_sp64,
7948 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7949 flush_register_windows, goto_handler_and_restore,
7950 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7951 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7952 return_addsi, return_di, return_adddi, return_sf, all call+jump
7953 peepholes, trap, unnamed trap insns): Prettify output strings.
7954 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7955 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7956 Likewise and force + implement splits for integer cases.
7957 (define_insn return_sf_no_fpu): Likewise and allow to match when
7958 no-fpu because of our subreg SFmode splits.
7959 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7960 zero_extendqidi2_insn, zero_extendhidi2_insn,
7961 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7962 input_operand for second operand.
7963 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7964 reg_or_0_operand for operand 2 so new splits can use it.
7965 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7966 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7968 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7969 CONST_DOUBLEs for operand 2.
7970 (define_insn move_label_di): Likewise and label distance
7971 optimization because it no longer works with new deferred case
7972 vector scheme. To be revisited.
7973 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7974 and allow reg_or_0_operand and J constraint for second operand.
7975 (define_insn jump): Set branch predict taken on V9.
7976 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7977 new deferred case vector scheme.
7978 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7979 (define_insn negdi2_sp32): Force + implement splits.
7980 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7981 one_cmplsi2_not_liveg0 respectively, and create expander of original
7982 names which emit special rtl for TARGET_LIVE_G0.
7983 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7984 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7985 gen_compare_reg, FAIL instead.
7986 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7987 values when trying to reverse condition codes, if they FAIL then
7989 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7990 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7991 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7992 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7993 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7994 set output string to # to indicate they are mandatory splits.
7995 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7996 pic_sethi_di, move_pic_label_si): Remove.
7997 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7998 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8000 (define_expand movsi_pic_label_ref, define_insn
8001 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8002 expander and insns to handle PIC label references and deferred
8004 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8006 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8007 Rewrite to not use emit_move_sequence, make use of new constant
8008 formation code, and new splits for all multi-insn cases.
8009 (define_insn movqi_insn): Remove sethi case, it can never happen.
8010 Use reg_or_zero_operand instead of const0_rtx explicit test,
8011 use input_operand instead of move_operand for source, and use
8012 general_operand now for dest.
8013 (define_insn movhi_insn): Similar but leave sethi case.
8014 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8015 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8016 movhi_lo_sum respectively, prettify output string.
8017 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8018 register when needed on TARGET_LIVE_G0.
8019 (define_insn movsi_insn): Use general_operand and input_operand
8020 for dest and src respectively. Simplify applicability test.
8021 Prettify output strings, and add clr alternative for J
8023 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8024 deprecated std and reg-reg DI moves): Remove and...
8025 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8026 implementation which uses forced splits for all non-single insn
8028 (define_split DI move cases on !arch64): New splits to handle all
8029 situations of 64-bit double register DImode on 32bit, and
8030 unaligned registers and memory addresses for all subtargets.
8031 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8033 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8034 input_operand for dest and src respectively, prettify output
8036 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8037 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8039 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8040 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8041 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8042 movtf_no_e_insn_sp64) Replace with new
8043 implementation which uses forced splits for all non-single insn
8045 (define_split DF move cases): New splits in similar vein to DI
8047 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8048 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8049 movdi_sp64_insn): Remove old v9 code model and constant loading
8051 (define_insn pic_lo_sum_di, pic_sethi_di,
8052 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8053 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8054 embmedany_sethi, embmedany_losum, embmedany_brsum,
8055 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8056 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8057 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8058 scheme, using unspecs, secondary reloads, and one to one sparc
8059 insn to rtl insn mapping for better scheduling and code gen.
8060 (define_expand reload_indi, reload_outdi): Reload helpers for
8061 MEDANY and EMBMEDANY symbol address loading cases which require a
8063 (define_expand movsicc): Remove v8plus_regcmp cases.
8064 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8065 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8066 cmp_diqi_trunc_set): New patterns used by some of the new scc
8068 (define_insn xordi3_sp64_dbl): New pattern used for constant
8069 formation when crossing from 32-bit targets.
8070 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8072 (define_insn addx, subx): Make visible and prettify.
8073 (define_insn adddi3_insn_sp32): Likewise and force split.
8074 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8075 64bit scc split usage.
8076 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8077 zero_extend, subdi3): Force and implement splits.
8079 * final.c (final_scan_insn): Don't output labels if target
8080 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8083 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8084 don't forget to walk inside SEQUENCESs too as these are what the
8085 delay slot scheduler will create.
8087 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8089 * alpha.md (extxl+1,+2): New patterns to work around
8092 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8094 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8095 caused bad assembly code to be generated.
8097 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8099 * netbsd.h: Fix typo.
8101 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8103 * config.sub: Fix typo.
8105 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8107 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8109 (Running Protoize): Typo: Change "ther" into "other".
8111 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8113 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8114 * m68k/netbsd.h: Likewise.
8115 * ns32k/netbsd.h: Likewise.
8116 * sparc/netbsd.h: Likewise.
8118 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8120 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8121 * ginclude/va-clipper.h (va_list): Likewise.
8123 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8125 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8126 load/store multiple instructions unless user overrides.
8128 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8130 * ns32k/netbsd.h: Fix typo.
8132 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8134 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8135 labels with .debugsym if no parallel insns.
8137 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8139 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8140 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8142 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8144 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8145 (AR_FOR_TARGET): Define.
8147 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8149 * dyn-string.h: New file.
8150 * dyn-string.c: Likewise.
8151 * Makefile.in (OBJS): Add dyn-string.o.
8152 (dwarf2out.o): Add dyn-string.h dependency.
8153 (dyn-string.o): List dependencies.
8154 * dwarf2out.c: Include dyn-string.h.
8155 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8156 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8157 prototype. Use dyn_string_append rather than strcat, throughout.
8158 (addr_to_string): Use dyn_string_t.
8160 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8162 Function entry/exit profiling instrumentation:
8163 * expr.h (profile_function_entry_libfunc,
8164 profile_function_exit_libfunc): Declare new variables.
8165 * optabs.c: Define them here.
8166 (init_optabs): Initialize them.
8167 * tree.h (struct tree_decl): New flag
8168 no_instrument_function_entry_exit.
8169 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8170 * c-decl.c (duplicate_decls): Merge it.
8171 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8172 (init_attributes): Use it for "no_instrument_function".
8173 (decl_attributes): Handle it, for functions that have not yet been
8174 compiled. Set decl flag.
8175 * flags.h (flag_instrument_function_entry_exit): Declare new
8177 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8178 (f_options): New option "instrument-functions".
8179 * function.h (struct function): New field instrument_entry_exit.
8180 * function.c (current_function_instrument_entry_exit): New
8182 (push_function_context_to, pop_function_context_from): Save and
8184 (expand_function_start): Set current_ variable, maybe emit return
8185 label and entry profile call.
8186 (expand_function_end): Maybe emit exit profile call.
8188 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8190 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8191 NON_QI_REG_P, pretend the register is SImode.
8193 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8195 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8196 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8197 manufacturer id for ns32k.
8198 * configure: Regenerated.
8199 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8200 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8201 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8202 * config/m68k/netbsd.h: Same.
8203 * config/ns32k/netbsd.h: Same.
8204 * config/sparc/netbsd.h: Same.
8206 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8208 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8209 or UNROLL_COMPLETELY loop that starts with a jump to its
8212 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8214 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8215 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8216 (print_operand, case 'B'): Don't fall through.
8217 (print_operand, case 'S'): Correct mask begin/end computation.
8218 Use HOST_BITS_PER_WIDE_INT.
8219 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8220 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8221 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8222 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8224 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8226 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8227 constraint from second alternative.
8229 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8231 * configure.in: Fix --without/--disable cases for local-prefix,
8232 gxx-include-dir and checking.
8234 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8236 * configure.in (enable_haifa): Set by default for sparc64 too.
8239 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8241 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8242 * i386/winnt.c (associated_type): New fn.
8243 (i386_pe_valid_type_attribute_p): New fn.
8244 (i386_pe_check_vtable_importexport): Remove.
8245 (i386_pe_dllexport_p): Use associated_type.
8246 (i386_pe_dllimport_p): Likewise.
8248 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8249 * i386.c (i386_valid_type_attribute_p): Also accept
8250 attributes for METHOD_TYPEs.
8252 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8254 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8256 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8258 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8260 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8261 them from generating a new base name for each occurence of
8264 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8266 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8268 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8272 * cplus-dem.c (type_kind_t): New type.
8273 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8274 on this paramter, rather than demangling the type again.
8275 (demangle_integral_value): Pass tk_integral.
8276 (demangle_template_: Pass the value returned from do_type.
8277 (do_type): Return a type_kind_t. Pass tk_integral to
8278 demangle_template_value_parm for array bounds.
8279 (demangle_fund_type): Likewise.
8281 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8283 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8286 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8288 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8290 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8292 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8294 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8297 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8299 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8300 (DEBUGGER_ARG_OFFSET): Likewise.
8302 * mn10300.md (movsf): Remove last change. Not needed.
8304 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8306 * c-lex.c (yylex): Fix boundary conditions in character literal and
8307 string literal loops.
8309 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8311 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8312 being invoked incorrectly.
8314 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8315 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8317 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8318 * configure.in: Added i[34567]86-*-win32
8319 * config.sub: Ditto.
8320 * configure: Rebuilt.
8322 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8324 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8325 the frame pointer and compiling PIC code and reload has not completed.
8327 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8330 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8332 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8334 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8336 * Makefile.in (install-info): Only try to update the info
8337 directory file if it exists in the first place.
8339 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8341 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8343 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8345 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8346 CONST_DOUBLE source.
8348 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8350 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8351 strings as the insertion of USER_LABEL_PREFIX.
8352 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8354 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8357 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8359 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8360 already defined type.
8362 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8364 * expr.c (check_max_integer_computation_mode): Allow conversions
8365 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8366 (expand_expr): Likewise.
8368 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8370 * expr.c (expand_expr): Expand RETURN_EXPR.
8372 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8374 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8376 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8378 * dwarf2out.c (output_aranges): Call stripattributes
8379 for TEXT_SECTION references.
8380 (output_line_info): Likewise.
8382 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8384 * profile.c (branch_prob): Call allocate_reg_info after outputting
8385 profile rtl in instrument_arcs.
8387 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8389 * fixinc.irix (math.h): Install wrapper instead of copying.
8391 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8393 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8394 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8395 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8396 lang_flag_0. Added documentation in the flag table.
8398 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8400 * cccp.c (do_include): Fix vax c style include handling.
8402 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8404 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8406 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8408 * fold-const.c (non_lvalue): Don't deal with null pointer
8410 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8412 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8414 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8415 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8416 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8417 (u_short_cint_operand): Same.
8418 (reg_or_cint_operand): Same.
8419 (logical_operand): Same.
8420 (input_operand): Same.
8421 (reg_or_short_operand): Use u_short_cint_operand.
8423 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8425 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8426 but keep the insns and splits. Adjust so when the ultimate destination
8427 is memory, use cvtql.
8429 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8431 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8433 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8435 * gcc.c (do_spec): Call "error" not "warning".
8437 * configure.in: Fix minor problems with gas feature detection code.
8438 * configure: Rebuilt.
8440 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8443 * gcc.c: Delete %[spec] support.
8444 (do_spec_1, case '('): Likewise.
8445 (do_spec_1, case '['): Call error.
8447 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8449 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8450 (CPP_SUBTARGET_SPEC): Default to empty string.
8451 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8452 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8453 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8454 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8456 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8457 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8458 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8459 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8460 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8461 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8462 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8463 * alpha/vxworks.h: Likewise.
8465 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8467 * mips.md (reload_outsi): Added missing REGNO call.
8468 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8470 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8471 another match_operator and compare the codes.
8473 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8475 * MIPS multiply pattern fixes:
8476 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8477 Add union classes for HI, LO, or HILO plus general registers.
8478 (GENERATE_MADD): Deleted.
8479 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8480 Add TARGET_MAD to condition.
8481 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8482 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8483 "*d" for accumulator, to give preference to LO initially but not
8486 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8488 * configure.in (enable_c_mbchar): New configure option.
8489 (extra_cpp_objs): Always available now.
8491 * cexp.y (mbchar.h): #include it.
8492 (yylex): Handle Multibyte characters in character literals.
8494 * cccp.c (mbchar.h): #include it.
8495 (main): Set character set based on LANG environment variable.
8496 (rescan): Handle multibyte characters in comments.
8497 (skip_if_group): See above.
8498 (validate_else): See above.
8499 (skip_to_end_of_comment): See above.
8500 (macarg1): See above.
8501 (discard_comments): See above.
8502 (rescan): Handle multibyte characters in string and character literals.
8503 (collect_expansion): See above.
8504 (skip_quoted_string): See above.
8505 (macroexpand): See above.
8506 (macarg1): See above.
8507 (discard_comments): See above.
8508 (change_newlines): See above.
8510 * c-lex.c (mbchar.h): #include it.
8511 (GET_ENVIRONMENT): New macro.
8512 (init_lex): Set character set based on LANG environment variable.
8513 (yylex): Handle multibyte characters in character literals.
8514 (yylex): Handle multibyte characters in string literals.
8516 * Makefile.in (mbchar.o): New target.
8517 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8518 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8520 * mbchar.[ch]: New files for multibyte character handling.
8522 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8524 * jump.c (jump_optimize): When simplifying noop moves and
8525 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8526 the PUSHes to rewrite in second loop as we did in the first.
8528 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8530 * cplus-dem.c (demangle_nested_args): Make function definition
8531 static to match the prototype.
8533 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8535 * alloca.c: Respect USE_C_ALLOCA.
8536 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8537 * gengenrtl.c (xmalloc): Likewise.
8539 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8541 * loop.h (struct induction): Add no_const_addval.
8542 * loop.c (the_movables, reg_address_cost): New variables.
8543 (init_loop): Init reg_address_cost.
8544 (loop_optimize): Call end_alias_analysis.
8545 (scan_loop): Init the_movables.
8546 (record_giv): Init induction->no_const_addval.
8547 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8548 [REG]: Rearrange loop search test to catch more cases.
8549 (general_induction_var): Return success not benefit; take an extra
8550 argument for that. Change all callers.
8551 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8552 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8553 [default]: Search the_movables for additional combinations.
8554 (sge_plus_constant, sge_plus): New functions.
8555 (express_from_1): New function.
8556 (express_from): Always define. Rewrite using express_from_1.
8557 (combine_givs_p): Handle more cases. Ignore address cost.
8558 (cmp_combine_givs_stats): New function.
8559 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8560 (combine_givs): Rewrite to do best-fit combination.
8562 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8563 (fold): Do a complete (A*C)+(B*C) association check.
8565 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8567 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8569 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8571 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8573 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8575 * tree.c (valid_machine_attribute): Only create a new type variant if
8576 there is a decl to use it.
8578 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8580 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8583 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8585 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8588 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8590 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8591 Simplify tests for clearing an address register.
8592 (expand_prologue): Corresponding changes.
8594 * mn10300.md (movXX patterns): Make sure the destination is an
8595 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8596 (logical patterns): Split into expanders + patterns
8597 (zero and sign extension patterns): Similarly.
8598 (shift patterns): Similarly.
8600 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8602 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8603 for the sequence, recording base values.
8605 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8607 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8609 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8611 * gcc.c: Remove ANSI-C ism from --help code.
8613 * toplev.c: Support --help with USE_CPPLIB.
8615 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8617 * configure.in: Rework gas feature code to work with symlink based
8620 * extend.texi: Clarify some issues related to local variables
8621 assigned to explicit registers.
8623 * mn10300.md (mulsi): Turn into expander + pattern.
8625 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8628 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8630 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8632 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8634 * version.c: Bump again to distinguish mainline tree from the
8637 See ChangeLog.0 for earlier changes.
8640 add-log-time-format: current-time-string