1 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
4 lang_to_string, type_to_string): Make return type const char*.
5 (print_symbol): Apply `const' keyword to a char*.
6 (print_file_desc): Cast structure member `crfd' to ulong when
9 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
10 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
11 (progname, input_name): Apply `const' keyword to a char*.
12 Don't redundantly include sys/stat.h.
13 (alloc_info): Apply `const' keyword to a char*.
14 (st_to_string, sc_to_string): Likewise.
15 (hash_string): Cast variable `hash_string' to a symint_t when
16 comparing against one.
17 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
18 Likewise cast it to long when comparing against one.
19 (add_local_symbol): Apply `const' keyword to a char*.
20 (add_ext_symbol): Likewise.
21 (add_unknown_tag): Likewise.
22 (add_procedure): Cast a printf-style field width to an int.
23 (add_file): Cast PAGE_USIZE to long when comparing against one
24 (parse_begin): Cast a printf-style field width to an int.
25 (parse_bend): Likewise.
26 (parse_def): Likewise.
27 (parse_end): Likewise.
28 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
29 (parse_stabs_common): Fix format specifier.
30 (parse_input): Change type of variable `i' to Size_t.
31 (write_object): Fix arguments to match format specifiers.
32 Cast variable `num_write' to long when comparing against one.
33 (read_seek): Cast variable `sys_read' to symint_t when comparing
34 against one. Fix arguments to match format specifiers. Cast
35 variable `size' to long when comparing against one.
36 (copy_object): Cast result of `sizeof' to int when comparing
37 against one. Fix arguments to match format specifiers. Cast
38 variable `ifd' to long when comparing against a signed value.
41 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
43 * c-common.c (decl_attributes): Allow applying attribute `unused'
46 * c-parse.in (label): Parse attributes after a label, and call
47 `decl_attributes' to handle them.
49 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
51 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
52 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
54 * invoke.texi: Note that labels can be marked `unused'.
56 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
58 * version.c: Bump for snapshot.
60 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
62 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
63 RTL for a compare/jump sequence.
65 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
67 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
68 for a target with HAVE_cc0 defined.
69 (emit_cmp_and_jump_insns): New function.
70 * expr.h (emit_cmp_and_jump_insns): Prototype it.
71 * loop.c (check_dbra_loop): Use it to replace calls
72 to emit_cmp_insn and emit_jump_insn and to canonicalise
73 the comparison if necessary.
74 * unroll.c (unroll_loop): Likewise.
76 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
78 * fixincludes (sys/utsname.h): Provide forward declaration of
79 struct utsname on Ultrix V4.[35].
81 * mips.md (div_trap): Use local labels instead of dot-relative
84 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
86 * pa.md (branch, negated branch): Handle (const_int 0) as first
88 * pa.c (output_cbranch): Likewise.
90 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
92 * rs6000.c (rs6000_stack_info): Undo spurious part of last
95 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
97 * extend.texi (__builtin_constant_p): Add missing @smallexample.
99 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
101 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
103 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
105 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
106 (adddi_dishl32): Similarly.
108 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
109 for each insn in the skipped block.
111 * reload1.c (reload_as_needed): Verify that the insn satisfies its
112 constraints after replacing a register address with an autoincrement
113 address for reload inheritance purposes.
115 * i386.md (doubleword shifts): Avoid namespace pollution.
117 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
119 * configure.in (FreeBSD ELF): Needs special crt files.
121 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
123 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
125 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
127 * loop.c (check_dbra_loop): While reversing the loop, if the
128 comparison value has a VOID mode use the mode of the other operand
131 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
133 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
134 avoid warnings in compiling explow.c.
136 (patch from Ken Raeburn, raeburn@cygnus.com)
137 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
138 fpmem_offset. Compute total size after that, and then
139 rs6000_fpmem_offset using both values.
141 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
143 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
144 the future; indeed that already happens in some cases.
146 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
148 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
149 (arith_operand): Remove constant_p_rtx handling.
150 (const64_operand, const64_high_operand): Likewise.
151 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
152 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
153 (small_int_or_double, uns_small_int, zero_operand): Likewise.
154 * sparc.h (PREDICATE_CODES): Likewise.
156 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
158 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
160 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
161 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
162 consider constant CONSTRUCTOR constant and to defer some cases
164 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
165 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
167 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
169 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
170 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
172 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
173 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
174 (sext_add_operand, and_operand, or_operand): Likewise.
175 (reg_or_cint_operand, some_operand, input_operand): Likewise.
176 * alpha.h (PREDICATE_CODES): Likewise.
178 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
180 * version.c: Bump for snapshot.
182 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
184 * gengenrtl.c (gencode): Always use bzero to clear memory instead
185 of dangerous casts and stores.
187 * Makefile.in (compare, gnucompare): Add missing else true clauses.
189 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
191 * alpha.md (builtin_longjmp): Add missing "DONE".
193 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
195 * gcc.c (execute): Enable -pipe with win32.
197 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
199 * config/arm/t-arm-elf: Add multiplib option for leading
202 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
203 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
205 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
206 than variable 'reload_address_base_reg_class'. [Note this
207 change is unrelated to the others in this patch].
209 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
212 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
214 * alias.c (record_alias_subset): Remove ignored `&'.
215 (init_alias_once): Likewise.
217 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
219 * config/mips/mips.c (mips_asm_file_end): Cast the result of
220 fwrite to `int' when comparing against one.
222 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
223 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
225 * cse.c (rehash_using_reg): Change type of variable `i' to
228 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
231 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
233 * final.c (final_scan_insn): Likewise for variable `i'.
234 (output_asm_insn): Cast a char to unsigned char when used as an
237 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
240 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
242 * recog.c (preprocess_constraints): Cast a char to unsigned char
243 when used as an array index.
245 * regmove.c (find_matches): Likewise.
247 * reload1.c (calculate_needs): Add default case in switch.
248 (eliminate_regs_in_insn): Initialize variable `offset'.
249 (set_offsets_for_label): Change type of variable `i' to unsigned.
250 (reload_as_needed): Wrap variable `i' in macro check on
251 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
253 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
254 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
255 when comparing against one.
257 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
258 unsigned when comparing against one. Likewise for
259 GET_MODE_ALIGNMENT().
260 (layout_record): Cast record_align to int when comparing against a
262 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
265 * tree.c (get_identifier): Cast variable `len' to unsigned when
266 comparing against one.
267 (maybe_get_identifier): Likewise
269 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
271 * toplev.c (rest_of_compilation): Do not set reload_completed.
272 * reload1.c (reload): Set reload_completed before calling
273 cleanup_subreg_operands.
275 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
277 * reload1.c (emit_reload_insns): Check `set' not null before use.
279 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
281 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
284 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
286 * halfpic.c (half_pic_encode): Delete redundant code.
288 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
290 * toplev.c (main): Delete handling of -dM as a preprocessor
293 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
295 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
296 -dI, which are handled by the preprocessor.
298 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
300 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
301 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
303 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
305 * version.c: Bump for snapshot.
307 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
309 * version.c: Bump for snapshot.
311 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
313 * version.c: Bump for snapshot.
315 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
317 * genattr.c (fatal): Qualify a char* with the `const' keyword.
319 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
320 write_unit_name, write_eligible_delay, expand_units,
321 make_length_attrs, write_attr_case, find_attr,
322 make_internal_attr): Likewise.
323 * gencheck.c (tree_codes): Likewise.
324 * gencodes.c (fatal): Likewise.
325 * genconfig.c (fatal): Likewise.
326 * genemit.c (fatal): Likewise.
327 * genextract.c (fatal, walk_rtx, copystr): Likewise.
328 * genflags.c (fatal): Likewise.
329 * genopinit.c (fatal, optabs, gen_insn): Likewise.
330 * genoutput.c (fatal, error, predicates): Likewise.
331 * genpeep.c (fatal): Likewise.
332 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
333 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
335 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
337 * configure.in (with-fast-fixincludes): Fix whitespace.
338 * configure: Rebuilt.
340 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
341 asm() etc. function declarations in __DECC.
343 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
345 * expr.c (emit_move_insn_1): Only emit a clobber if the target
346 is a pseudo register.
348 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
350 * gcse.c: Include expr.h in order to get the prototype for
351 get_condition() which is used in delete_null_pointer_checks().
353 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
355 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
357 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
359 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
360 (ALL_CFLAGS): Delete SCHED_CFLAGS.
362 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
364 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
367 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
369 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
370 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
371 optimizations from the combiner.
373 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
375 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
377 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
379 * toplev.c (main): Disable optimize_size if a specific
380 optimization level is requested. Always set optimization
381 level to 2 if -Os is specified.
383 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
385 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
387 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
388 initialize it using fname.
390 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
392 * cpplib.c (do_include): Treat #include_next in the
393 primary source file as #include plus warning. Treat
394 #include_next in a file included by absolute path as an
395 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
397 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
399 * cccp.c: Don't define MIN/MAX anymore.
400 * cpplib.c: Likewise.
401 * machmode.h: Likewise.
402 * system.h: Provide definitions for MIN/MAX.
404 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
406 * fix-header.c: Don't define xstrdup here.
408 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
410 * loop.c (consec_sets_giv): New argument last_consec_insn.
411 (strength_reduce): Provide / use it.
413 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
415 * loop.h (loop_info): New field 'vtop'.
416 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
417 scanning loop for vtop.
418 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
419 (loop_iterations): Use them to determine if loop has a constant
420 number of iterations. Set loop_info->vtop. Don't subtract
421 common reg term from initial_value and final_value if have a
424 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
426 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
428 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
430 * mn10200.md (abssf2, negsf2): New expanders.
432 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
434 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
436 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
437 replaced by a CONCAT whoes components do not have the same
438 mode as the original SUBREG, use a new SUBREG to restore the
441 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
442 multiword complex values.
444 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
446 * cppalloc.c: Add xstrdup here.
447 * cpplib.h: Remove savestring prototype.
448 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
450 * cppfiles.c: s/savestring/xstrdup/ throughout.
452 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
454 * cpplib.c: Make all directive handlers read their own
456 (struct directive): Remove last two arguments from FUNC
457 member prototype. Remove `command_reads_line' member
459 (directive_table): Remove initializations of
460 command_reads_line flag. Pretty-print.
461 (eval_if_expression, do_define, do_line, do_include,
462 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
463 do_else, do_elif, do_sccs, do_assert, do_unassert,
464 do_warning): Take only two args.
466 (cpp_define): Call do_define with two args and the text to
467 define stuffed into a buffer.
468 (make_assertion): Call do_assert with two args.
469 (handle_directive): Call do_line with two args. Call
470 kt->func with two args. Remove command_reads_line
472 (do_define, do_undef, do_error, do_warning, do_pragma,
473 do_sccs): Read the rest of the line here.
474 (do_ident): Gobble rest of line, as cccp does.
475 (cpp_undef): New function.
476 (cpp_start_read): Call cpp_undef instead of do_undef.
478 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
480 * cpphash.h (union hash_value): Remove `keydef' member, add a
481 `struct hashnode *aschain' member for #assert.
483 * cpplib.c (struct tokenlist_list, struct
484 assertion_hashnode): Delete structure definitions.
485 (assertion_install, assertion_lookup, delete_assertion,
486 check_assertion, compare_token_lists, reverse_token_list,
487 read_token_list, free_token_list): Delete functions.
488 (parse_assertion): New function.
489 (cpp_cleanup): Don't destroy the assertion_hashtable.
491 (do_assert): Gut and rewrite. #assert foo (bar) places
492 entries for `#foo' and `#foo(bar)' in the macro hash table,
493 type T_ASSERT. The value union's `aschain' member is used
494 to chain all answers for a given predicate together.
495 (do_unassert): Also rewritten. Take an un-asserted
496 answer off the chain from its predicate and call
497 delete_macro on the hashnode, or walk a predicate chain
498 calling delete_macro on all the entries.
499 (cpp_read_check_assertion): Simply call parse_assertion to
500 get the canonical assertion name, and look that up in the
503 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
506 * cpphash.c (install): Use bcopy instead of an explicit loop
507 to copy the macro name.
509 * cppexp.c (cpp_lex): Convert the result of
510 cpp_read_check_assertion to a `struct operation' directly;
511 don't go through parse_number.
513 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
515 * loop.h (struct induction): Delete times_used member.
516 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
517 (n_times_used): Rename to n_times_set. Changed all users.
518 (scan_loop): Free reg_single_usage before strength reduction.
519 (record_giv, combine_givs): Remove handling of times_used member.
520 (combine_givs_used_once): Rename to:
521 (combine_givs_used_by_other) . Changed all callers.
523 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
525 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
526 instead of TREE_CODE_CLASS == 't'.
527 (gen_type_die): Likewise.
528 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
530 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
532 * real.c (endian): Disable last change unless
533 HOST_BITS_PER_WIDE_INT is greater than 32.
535 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
537 * output.h (force_data_section): New prototype.
538 * varasm.c (force_data_section): New function to force the
539 data section, regardless of what in_section thinks.
540 * dwarf2out.c (output_call_frame_info): Call force_data_section
541 since varasm may not realize we've changes sections.
543 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
545 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
546 after completeing reload.
548 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
549 deleted after reload.
551 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
553 * rtl.h (multiple_sets): Fix prototype.
554 * rtlanal.c (multiple_sets): Fix return type.
556 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
558 * version.c: Bump for snapshot.
560 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
562 * version.c: Bump for snapshot.
564 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
566 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
568 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
570 * rtl.h (recompute_reg_usage): Add second argument.
571 * flow.c (recompute_reg_usage): Likewise.
572 * toplev.c (rest_of_compilation): Supply second argument to
575 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
578 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
580 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
581 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
582 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
585 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
587 * rtlanal.c (multiple_sets): New function.
588 * rtl.h (multiple_sets): Declare it.
589 * local-alloc.c (wipe_dead_reg): Use it.
590 * global.c (global_conflicts): Likewise.
592 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
594 * global.c (record_conflicts): Don't use an array of shorts to
595 store an array of ints.
596 (global_conflicts): Likewise.
598 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
600 * alpha.c (alpha_expand_block_move): mode_for_size expects
601 bits, not bytes. Infer extra alignment from addressof.
603 1998-12-11 Michael Meissner <meissner@cygnus.com>
605 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
606 .sbss section, not .sdata.
608 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
610 * cccp.c: Do not #include <sys/stat.h> here; this is already done
612 * collect2.c: Likewise.
613 * cpplib.h: Likewise.
616 * getpwd.c: Likewise.
617 * protoize.c: Likewise.
618 * toplev.c: Likewise.
620 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
621 and don't try to define it here.
622 * Makefile.in (cppmain.o): Depend on machmode.h.
623 (cpplib.o): Likewise.
624 (cpperror.o): Likewise.
625 (cppexp.o): Likewise.
626 (cppfiles.o): Likewise.
627 (cpphash.o): Likewise.
628 (cppalloc.o): Likewise.
629 (fix-header.o): Likewise.
630 (scan-decls.o): Likewise.
632 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
634 * sh.c (print_operand): lookup interrupt_handler attribute instead
635 of relying on static variable.
636 * (calc_live_regs): Likewise.
637 * (sh_pragma_insert_attributes): Create interrupt_handler
638 attribute if a pragma was specified
639 * (sh_valid_machine_decl_attribute): Don't set static flag.
640 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
642 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
644 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
645 to determine if a register is live at a jump destination.
646 Everything is dead at a BARRIER.
648 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
650 * cse.c (simplify_unary_operation): Sign-extend constants when
651 they have the most significant bit set for the target.
652 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
654 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
655 HOST_WIDE_INT temporary before negating it.
656 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
658 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
660 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
663 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
665 * collect2.h: New header file for prototypes.
667 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
669 * collect2.c: Include collect2.h.
672 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
674 * flow.c: Update some comments.
676 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
678 * objc/objc-act.c (cpp_initialized): Removed.
679 (lang_init_options): Initialize cpplib.
680 (lang_decode_option): Move initialization of cpplib to
682 * c-lang.c: (parse_options,parse_in): Added.
683 (lang_init_options): Initialized cpplib here.
684 * c-decl.c (parse_options,cpp_initialized): Removed.
685 (c_decode_option): Move initialization of cpplib to
688 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
690 * reload1.c (reload_combine, reload_combine_note_store):
691 Make STORE_RUID always valid.
692 (reload_combine): Check if BASE is clobbered too early.
694 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
696 * reload.c (find_reloads): Display the insn that cannot be
699 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
701 * cccp.c (create_definition): Fix end of bufer logic.
703 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
705 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
706 pointer parameters changed to use the PARAMS() macro.
708 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
710 * except.h (struct handler_info): Add handler_number field.
711 * except.c (gen_exception_label): EH labels no longer need to be
712 on the permanent obstack.
713 (get_new_handler): Set the label number field.
714 (output_exception_table_entry): Regenerate handler label reference
715 from the label number field.
716 (init_eh): Remove a blank line.
717 * integrate.c (get_label_from_map): Labels no longer need to be
718 on the permanent obstack.
720 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
722 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
723 only when OUTER_CODE is SET.
725 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
727 * loop.c (strength_reduce): If scan_start points to the loop exit
728 test, be wary of subversive use of gotos inside expression statements.
729 Don't set maybe_multiple for a backward jump that does not
730 include the label under consideration into its range.
731 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
733 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
735 * explow.c (plus_constant_wide): Don't immediately return with
736 result of recursive call.
738 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
740 * eh-common.h (struct eh_context): Add table_index for rethrows.
742 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
743 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
744 processed when inlined or unrolled (ie duplicated in some way).
746 * rtl.c (reg_note_name): Add strings for new reg_note enums.
748 * expr.h (rethrow_libfunc): New library decl.
750 * optabs.c (rethrow_libfunc): Initialize.
752 * except.h (struct eh_entry): Add new field 'rethrow_label'.
753 (new_eh_region_entry): No longer exported from except.c.
754 (duplicate_handlers): Renamed to duplicate_eh_handlers and
756 (rethrow_symbol_map, rethrow_used): New exported functions.
757 (eh_region_from_symbol): New exported function.
759 * except.c (create_rethrow_ref): New function to create a single
760 SYMBOL_REF for a rethrow region.
761 (push_eh_entry): Initialize a rethrow ref.
762 (func_eh_entry): Add a rethrow_label field.
763 (new_eh_region_entry): Make static, and initialize the rethrow entry.
764 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
765 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
766 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
767 a region into an appropriate new symbol.
768 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
769 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
770 (end_catch_handler): Emit a barrier for new-exceptions since
771 control can never drop through the end of a catch block.
772 (expand_end_all_catch): new-exceptions never fall through a catch
774 (expand_rethrow): use __rethrow routine for new exceptions.
775 (output_exception_table_entry): Generate rethrow labels, if needed.
776 (output_exception_table): Generate start and end rethrow labels.
777 (init_eh): Create rethrow symbols for beginning and end of table.
778 (scan_region): Don't eliminate EH regions which are the targets of
781 * flow.c (make_edges): Add different edges for rethrow calls,
782 identified by having the REG_EH_RETHROW reg label.
783 (delete_unreachable_blocks): Don't delete regions markers which are
784 the target of a rethrow.
786 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
787 allow save_for_inline_copying to call duplicate_eh_handlers.
788 (save_for_inline_copying): Call duplicate_eh_handlers instead of
789 exposing internal details of exception regions.
790 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
791 (expand_inline_function_eh_labelmap): New callback routine to
792 allow expand_inline_function to call duplicate_eh_handlers.
793 (expand_inline_function): Call duplicate_eh_handlers instead of
794 exposing internal details of exception regions.
795 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
798 * libgcc2.c (find_exception_handler): Generalize to enable it to
799 pick up processing where it left off last time for a rethrow.
800 (__unwinding_cleanup): New function. debug hook which is called before
801 unwinding when __throw finds there is nothing but cleanups left.
802 (throw_helper): Common parts of __throw extracted out for reuse.
803 (__throw): Common parts moved to throw_helper.
804 (__rethrow): New function for performing rethrows.
806 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
808 * reload1.c (current_function_decl): Tweak declaration.
810 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
812 * c-decl.c (flag_isoc9x): Default off.
813 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
814 * cccp.c (print_help, main): Likewise.
815 * gcc.c (default_compilers): Update for -std=gnu*.
817 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
819 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
820 * demangle.h: Deleted.
822 * reload1.c (current_function_decl): Declare.
824 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
826 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
828 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
830 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
832 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
834 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
836 * configure: Rebuilt.
837 * system.h: If the *_unlocked functions are available use them
838 instead of the locked counterparts by defining macros.
839 * config.in: Regenerated.
841 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
843 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
844 wrong and should only be used for dump related things, not
845 debugging information, instead main_input_filename should be used.
846 Also, reuse output_file_directive if possible.
847 * i386/aix386ng.h (ASM_FILE_START): Likewise.
848 * i386/isc.h (ASM_FILE_START): Likewise.
849 * i386/win-nt.h (ASM_FILE_START): Likewise.
850 * i386/sun386.h (ASM_FILE_START): Likewise.
852 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
854 * configure.in (mips*-*-linux*): Handle big and little endian
856 * configure: Rebuilt.
858 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
860 * emit-rtl.c: Fix typo.
862 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
864 * reload1.c (eliminate_regs): Don't do anything, if we're not
867 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
869 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
871 * mips/mips.c (mips_select_section): Add comment.
873 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
875 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
876 characters in file names in #line to be consistent with #include
877 handling. We support escape prcessing in the # 1 "..." version of
878 the command. See also support in cp/lex.c.
879 (handle_directive): Likewise.
882 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
884 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
885 so it'll work on non-ASCII platforms. Always consider $ an
886 identifier character. Take no arguments.
887 (cpp_reader_init): Call initialize_char_syntax with no
889 (cpp_start_read): Don't call initialize_char_syntax again.
890 Clear is_idchar['$'] and is_idstart['$'] if not
891 opts->dollars_in_ident.
893 * cpplib.h (struct cpp_reader): Replace void *data element by
894 cpp_options *opts. Rearrange elements to make gdb printout
895 less annoying (put buffer stack at end).
896 (CPP_OPTIONS): Get rid of now-unnecessary cast.
898 * cppmain.c: s/data/opts/ when initializing cpp_reader
900 * c-decl.c: Likewise.
901 * objc/objc-act.c: Likewise.
902 * fix-header.c: Likewise.
904 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
906 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
907 with a struct file_name_list pointer.
908 (struct cpp_reader): Add pointer to chain of `actual
909 directory' include searchpath entries.
910 (struct file_name_list): Add *alloc pointer for the sake of
911 the actual-directory chain.
913 Move definition of HOST_WIDE_INT here.
914 (cpp_parse_escape): Change prototype to match changes in
917 * cppfiles.c (actual_directory): New function.
918 (finclude): Use it to initialize the buffer's actual_dir
920 (find_include_file): We don't need to fix up max_include_len
923 * cpplib.c (do_include): Don't allocate a file_name_list on
924 the fly for current directory "" includes, use the one that's
925 been preallocated in pfile->buffer->actual_dir. Hoist out
926 duplicate code from the search_start selection logic.
927 (cpp_reader_init): Initialize pfile->actual_dirs.
929 Remove definition of HOST_WIDE_INT. Change calls
930 to cpp_parse_escape to match changes in cppexp.c (note
931 hardcoded MASK, which is safe since this is the source
934 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
935 to handle wide character constants in #if directives. The
936 function now returns a HOST_WIDE_INT, and takes a third
937 argument which is a binary mask for all legal values (0x00ff
938 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
939 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
940 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
942 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
944 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
946 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
948 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
949 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
950 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
952 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
954 * final.c (output_asm_name): Use tabs to seperate comments from
957 Include instruction lengths (if defined) in output.
959 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
961 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
962 in the loop_info structure.
964 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
966 * configure.in: (arm*-*-ecos-elf): New target.
967 * configure: Regenerated.
968 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
969 * config/arm/ecos-elf.h: New file.
970 * config/arm/unknown-elf.h (TARGET_VERSION): Check
973 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
975 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
977 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
979 * version.c: Bump for snapshot.
981 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
983 * loop.c (check_dbra_loop): New argument loop_info. Update fields
986 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
988 * version.c: Bump for snapshot.
990 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
992 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
993 compressed reports are ok and preferred over URLs
995 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
997 * invoke.texi (Warning Options): Soften the tone of -pedantic
999 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1001 * print-rtl.c (print_rtx): Add prototype.
1003 * unroll.c (iteration_info): Make it static.
1005 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1007 * alias.c (memrefs_conflict_p): A second ANDed address
1008 disables the aligned address optimization.
1010 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1012 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1015 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1017 * i960.h (BOOL_TYPE_SIZE): Define.
1019 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1021 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1022 from old valid_parallel_operands_4.
1023 (valid_parallel_operands_4): Check that operands for 4 operand
1024 parallel insns are valid, excluding load/store insns.
1025 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1026 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1027 valid_parallel_load_store instead of valid_parallel_operands_4.
1028 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1029 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1030 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1031 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1032 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1033 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1034 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1036 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1038 * config/c4x/c4x.c (iteration_info): Delete extern.
1040 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1042 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1044 * final.c (cleanup_subreg_operands): Delete some unused code.
1046 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1047 (struct insn_alternative): New structure definition.
1048 (recog_op_alt): Declare variable.
1049 (preprocess_constraints): Declare function.
1050 * recog.c (recog_op_alt): New variable.
1051 (extract_insn): Verify number of alternatives is in range.
1052 (preprocess_constraints): New function.
1053 * reg-stack.c: Include recog.h.
1054 (constrain_asm_operands): Delete.
1055 (get_asm_operand_lengths): Delete.
1056 (get_asm_operand_n_inputs): New function.
1057 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1058 N_OUTPUTS args. All callers changed.
1059 Compute number of inputs and outputs here by calling
1060 get_asm_operand_n_inputs.
1061 Instead of constrain_asm_operands, call extract_insn,
1062 constrain_operands and preprocess_constaints. Use information
1063 computed by these functions throughout.
1064 (record_reg_life): Delete code that is unused due to changes in
1065 record_asm_reg_life.
1066 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1067 N_INPUTS and N_OUTPUTS args. All callers changed.
1068 Similar changes as in record_asm_reg_life.
1069 (subst_stack_regs): Move n_operands declaration into the if statement
1071 Delete code that is unused due to changes in subst_asm_stack_regs.
1072 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1074 * Makefile.in (reg-stack.o): Depend on recog.h.
1076 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1078 * except.c (set_exception_version_code): Argument is an "int".
1080 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1082 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1083 * configure: Rebuilt.
1085 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1087 * configure.in (mipsel-*-linux*): New target.
1088 * mips/linux.h: New file, based on other Linux targets.
1090 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1092 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1093 runs in the context of the deleter, not the deletee, so we must
1094 use taskVarGet to find the correct memory to free.
1095 (__gthread_key_create): Initialize the task
1096 variable subsystem so that the task variable is still active when
1097 the delete hook is run.
1099 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1101 * pdp11.h: Use optimize_size for space optimizations.
1102 * pdp11.c: Likewise.
1103 * pdp11.md: Likewise.
1105 * pdp11.h (TARGET_40_PLUS): Fix typo.
1107 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1109 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1112 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1114 * alias.c (addr_side_effect_eval): New function.
1115 (memrefs_conflict_p): Use it.
1116 * rtl.h (addr_side_effect_eval): Prototype it.
1118 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1120 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1122 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1124 * reload.c (find_reloads): When force const to memory, put result
1125 in substed_operand not *recog_operand_loc.
1127 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1129 * c-lex.c: Fix indentation from last patch.
1130 Remove trailing whitespace.
1133 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1135 * flow.c (delete_block): Call set_last_insn after we have reset
1136 NEXT_INSN (kept_tail).
1138 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1140 * mips.md (trap_if): Use "$0" for the value zero.
1142 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1143 Stephen L Moshier <moshier@world.std.com>
1144 Richard Henderson <rth@cygnus.com>
1146 * c-common.c (declare_function_name): Declare predefinied variable
1149 * c-decl.c (flag_isoc9x): Set to 1 by default.
1150 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1151 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1153 * c-parse.in: Allow constructors in ISO C 9x.
1154 Rewrite designator list handling.
1155 Allow [*] parameters.
1156 Don't warn about comma at end of enum definition for ISO C 9x.
1158 * cccp.c (c9x): New variable.
1159 (rest_extension): New variable.
1160 (print_help): Document new -std= option.
1161 (main): Recognize -std= option. Set c9x appropriately.
1162 (create_definition): Recognize ISO C 9x vararg macros.
1164 * gcc.c (default_compilers): Adjust specs for -std options.
1165 (option_map): Add --std.
1166 (display_help): Document -std.
1168 * toplev.c (documented_lang_options): Add -std and remove
1171 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1172 or REAL_VALUE_HTOF based on base of the constants.
1173 * fold-const.c (real_hex_to_f): New function. Replacement function
1174 for hex FP conversion if REAL_ARITHMETIC is not defined.
1175 * real.c (asctoeg): Add handling of hex FP constants.
1176 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1179 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1181 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1182 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1183 expansion. Use hi/lo as destination register.
1185 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1186 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1187 Avoid as macro expansion. Use hi/lo as destination register.
1189 * mips.h (MASK_CHECK_RANGE_DIV): New.
1190 (MASK_NO_CHECK_ZERO_DIV): New.
1191 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1192 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1193 return address for leaf functions out of r31 to support
1194 builtin_return_address.
1196 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1198 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1199 NEXT_INSN(x) to check insn x.
1201 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1203 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1204 last insn in the rtl chain.
1206 * reload1.c (reload): Do not set reload_completed or split insns
1208 * toplev.c (rest_of_compilation): Set reload_completed after
1209 reload returns. Split insns after reload_cse has run.
1211 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1213 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1215 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1217 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1219 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1221 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1222 use of user-label_prefix.
1224 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1226 * reload1.c (emit_reload_insns): Clear spill_reg_store
1227 when doing a new non-inherited reload from the same pseudo.
1229 * local-alloc.c (function_invariant_p): New function.
1230 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1231 to decide if an equivalence should be recorded.
1232 * reload1.c (num_eliminable_invariants): New static variable.
1233 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1234 to decide if an equivalence should be recorded.
1236 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1237 Take num_eliminable_invariants into account when deciding
1238 if register elimination should be done.
1239 (reload_as_needed): Take num_eliminable_invariants into account
1240 when deciding if register elimination should be done.
1241 (eliminate_regs): Handle non-constant reg_equiv_constant.
1242 * rtl.h (function_invariant_p): Declare.
1244 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1246 * version.c: Bump for snapshot.
1248 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1250 * version.c: Bump for snapshot.
1252 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1254 * except.c (add_new_handler): Complain about additional handlers
1255 after one that catches everything.
1257 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1259 * configure.in (alpha*-*-netbsd): Fix typo.
1260 * configure: Rebuilt.
1262 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1264 * system.h: Include libiberty.h.
1266 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1267 function `concat' from fixed parameters to variable parameters,
1268 as is done in libiberty. All callers of concat/concat3
1269 changed to use the new `concat' with variable args.
1271 * cccp.c: Remove things made redundant by libiberty.h and/or
1272 conform to libiberty standards.
1274 * collect2.c: Likewise.
1275 * config/1750a/1750a.h: Likewise.
1276 * cppalloc.c: Likewise.
1277 * cppexp.c: Likewise.
1278 * cppfiles.c: Likewise.
1279 * cpphash.c: Likewise.
1280 * cpplib.c: Likewise.
1281 * dyn-string.c: Likewise.
1282 * fix-header.c: Likewise.
1285 * genattr.c: Likewise.
1286 * genattrtab.c: Likewise.
1287 * gencheck.c: Likewise.
1288 * gencodes.c: Likewise.
1289 * genconfig.c: Likewise.
1290 * genemit.c: Likewise.
1291 * genextract.c: Likewise.
1292 * genflags.c: Likewise.
1293 * gengenrtl.c: Likewise.
1294 * genopinit.c: Likewise.
1295 * genoutput.c: Likewise.
1296 * genpeep.c: Likewise.
1297 * genrecog.c: Likewise.
1298 * getpwd.c: Likewise.
1299 * halfpic.c: Likewise.
1301 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1302 in NEED_DECLARATION_* macros.
1304 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1305 conform to libiberty standards.
1306 (fatal): Fix const-ification of variable `format' in
1307 !ANSI_PROTOTYPES case.
1309 * prefix.c: Remove things made redundant by libiberty.h and/or
1310 conform to libiberty standards.
1312 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1313 conflicting with function `spaces' from libiberty.
1315 * profile.c: Remove things made redundant by libiberty.h and/or
1316 conform to libiberty standards.
1317 * protoize.c: Likewise.
1320 * tlink.c: Likewise.
1321 * toplev.c: Likewise.
1322 * toplev.h: Likewise.
1325 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1327 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1329 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1331 * README.C4X: Updated URLs.
1332 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1333 (valid_parallel_operands_5): Remove unused variable.
1335 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1337 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1339 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1341 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1342 which can be configured.
1343 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1344 (Makefile): Pass actual LANGUAGES through the environment when
1346 (cstamp-h): Likewise.
1347 (config.status): Likewise.
1349 * configure.in (enable_languages): Add new configuration parameter
1350 "--enable-languages=lang1,lang2,...".
1351 (${srcdir}/*/config-lang.in): Change handling to configure only
1352 those directories, that the user might have enabled; default to
1353 "all" existing languages.
1354 * configure: Regenerate.
1356 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1358 * rtlanal.c (regs_set_between_p): New function.
1359 * rtl.h (regs_set_between_p): Prototype it.
1360 * jump.c (jump_optimize): Use it instead of modified_between_p
1361 in the Sep 2 change.
1363 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1364 Matthias Pfaller <leo@dachau.marco.de>
1366 * invoke.texi (Option Summary, NS32K Options): add description
1367 of NS32K specific options.
1369 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1370 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1371 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1372 negdf2, absdf2): Use l instead of f since the double class and
1373 float class are no longer the same.
1374 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1375 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1376 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1377 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1379 (cmpsi, cmphi, cmpqi): use general_operand instead of
1380 non_immediate_operand. Removes erroneous assumption that can't
1382 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1383 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1385 (movstrsi, movstrsi1, movstrsi2): completely new block move
1387 (...): Patterns to exploit multiply-add instructions.
1388 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1389 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1390 patterns to exploit extended divide insns.
1391 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1394 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1395 float return values as well as simple scalar floats.
1396 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1397 support new flag to denote 32381 fpu.
1398 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1399 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1401 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1402 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1403 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1404 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1405 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1406 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1407 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1408 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1409 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1410 fpu registers and special register classes for new 32381
1411 instructions dotf and polyf.
1412 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1414 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1415 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1417 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1418 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1419 (REGISTER_MOVE_COST): move code to register_move_cost function for
1420 ease of coding and debugging.
1421 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1422 LONG_FLOAT_REGO is likely spilled but not caught by default
1424 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1425 instead of hard coded numbers in range check.
1426 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1427 (...): Add prototypes for functions in ns32k.c but disable because
1428 of problems when ns32k.h is included in machine independant files.
1430 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1431 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1432 hard_regno_mode_ok, secondary_reload_class,
1433 print_operand, print_operand_address): new register scheme to
1434 include 32381 fpu registers and special register classes for new
1435 32381 instructions dotf and polyf.
1436 (gen_indexed_expr): Make static to keep namespace clean.
1437 (check_reg): remove since never called.
1438 (move_tail, expand_block_move): helper functions for "movstrsi"
1440 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1441 Increase cost of moves which go via memory.
1442 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1443 (CPP_PREDEFINES): nolonger predefine "unix".
1445 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1446 Remove erroneous %$. print_operand() can work out from the rtx is
1447 an immediate prefix is required.
1449 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1450 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1451 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1453 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1456 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1457 Correct handling of pic operands.
1458 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1459 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1460 -mrtd calling convention.
1462 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1464 * gcc.c (option_map): Recognize --output-class-directory.
1466 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1468 * loop.h (precondition_loop_p): Added new mode argument.
1469 * unroll.c (precondition_loop_p): Likewise.
1470 (approx_final_value): Function deleted and subsumed
1471 into loop_iterations.
1472 (loop_find_equiv_value): New function.
1473 (loop_iterations): Use loop_find_equiv_value to find increments
1474 too large to be immediate constants. Also use it to find terms
1475 common to initial and final iteration values that can be removed.
1477 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1479 * loop.h (struct loop_info): Define new structure.
1480 (precondition_loop_p): Added prototype.
1481 (unroll_loop): Added new argument loop_info to prototype.
1482 (final_biv_value, final_giv_value): Added new argument n_iterations
1484 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1485 and new pointer loop_info.
1486 (loop_n_iterations): Replace global variable by element in
1487 loop_info structure.
1488 (check_final_value): New argument n_iterations.
1489 (insert_bct): New argument loop_info.
1490 (loop_unroll_factor): Replace global array by element in
1491 loop_info structure.
1492 (loop_optimize): Remove code to allocate and initialise
1493 loop_unroll_factor_array.
1494 * unroll.c (precondition_loop_p): No longer static since
1495 used by branch on count optimization.
1496 (precondition_loop_p, unroll_loop): New argument loop_info.
1497 (final_biv_value, final_giv_value, find_splittable_regs): New
1498 argument n_iterations.
1499 (loop_iteration_var, loop_initial_value, loop_increment,
1500 loop_final_value, loop_comparison_code, loop_unroll_factor):
1501 Replaced global variables by loop_info structure.
1502 (loop_unroll_factor): Replace global array by element in
1503 loop_info structure.
1505 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1507 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1510 * unroll.c (precondition_loop_p): Return loop_initial_value
1511 for initial_value instead of loop_iteration_var.
1513 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1515 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1516 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1517 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1518 to output the instruction sequences.
1520 (rptb_top): Provide alternatives to use any register or memory
1522 (rptb_end): Emit use of operands rather than assigning them
1523 explicitly to the RS and RE registers.
1525 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1527 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1528 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1529 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1530 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1531 c4x_merge_notes, c4x_parallel_process,
1532 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1533 c4x_combine_parallel): Delete.
1535 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1537 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1538 with old target options clear flag_branch_on_count_reg if
1539 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1541 (c4x_output_cbranch): Handle a sequence of insns rather than a
1543 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1544 has not been allocated as the loop counter.
1545 (c4x_address_conflict): Do not allow two volatile memory references.
1546 (valid_parallel_operands_4, valid_parallel_operands_5,
1547 valid_parallel_operands_6): Reject pattern if the register destination
1548 of the first set is used as part of an address in the second set.
1550 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1552 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1553 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1554 is no longer enabled if PARALLEL_MPY_FLAG set.
1555 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1556 (REG_CLASS_CONTENTS): Add braces around initializers.
1557 (HAVE_MULTIPLE_PACK): Define.
1558 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1559 REAL_VALUE_TO_DECIMAL.
1560 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1561 REAL_VALUE_TO_DECIMAL.
1562 (ar0_reg_operand): Add prototype.
1563 (ar0_mem_operand): Likewise.
1564 (ar1_reg_operand): Likewise.
1565 (ar1_mem_operand): Likewise.
1566 (ar2_reg_operand): Likewise.
1567 (ar2_mem_operand): Likewise.
1568 (ar3_reg_operand): Likewise.
1569 (ar3_mem_operand): Likewise.
1570 (ar4_reg_operand): Likewise.
1571 (ar4_mem_operand): Likewise.
1572 (ar5_reg_operand): Likewise.
1573 (ar5_mem_operand): Likewise.
1574 (ar6_reg_operand): Likewise.
1575 (ar6_mem_operand): Likewise.
1576 (ar7_reg_operand): Likewise.
1577 (ar7_mem_operand): Likewise.
1578 (ir0_reg_operand): Likewise.
1579 (ir0_mem_operand): Likewise.
1580 (ir1_reg_operand): Likewise.
1581 (ir1_mem_operand): Likewise.
1582 (group1_reg_operand): Likewise.
1583 (group1_mem_operand): Likewise.
1584 (ir1_reg_operand): Likewise.
1585 (arx_reg_operand): Likewise.
1586 (not_rc_reg): Likewise.
1587 (not_modify_reg): Likewise.
1588 (c4x_group1_reg_operand): Remove prototype.
1589 (c4x_group1_mem_operand): Likewise.
1590 (c4x_arx_reg_operand): Likewise.
1592 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1594 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1595 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1597 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1599 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1602 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1604 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1605 unless FMOVD_WORKS is defined.
1607 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1609 * regclass.c (init_reg_sets): Move code that calculates tables
1610 dependent on reg_class_contents from here...
1611 (init_reg_sets_1): To here.
1613 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1615 * cpplib.h: Delete struct import_file. Add ihash element to
1616 struct cpp_buffer. Delete dont_repeat_files and
1617 import_hash_table elements from cpp_reader; change
1618 all_include_files to a hash table. Delete all foobar_include
1619 / last_foobar_include elements from struct cpp_options; put
1620 back four such: quote_include, bracket_include,
1621 system_include, after_include. Redo struct file_name_list
1622 completely. Add new structure type include_hash. Add
1623 prototypes for merge_include_chains and include_hash. Change
1624 prototypes for finclude, find_include_file, and
1625 append_include_chain to match changes below.
1627 * cppfiles.c (simplify_pathname, include_hash,
1628 remap_filename, merge_include_chains): New functions.
1629 (add_import, lookup_import, open_include_file): Removed.
1630 (INO_T_EQ): Define this (copied from cccp.c).
1631 (hack_vms_include_specification): Remove all calls and #if 0
1632 out the definition. It was being called incorrectly and at
1633 the wrong times. Until a VMSie can look at this, it's better
1634 to not pretend to support it.
1635 (append_include_chain): Change calling convention; now takes
1636 only one directory at a time, and sets up the data structure
1638 (redundant_include_p): Rewritten - this is now used for all
1639 include redundancy, whether by #ifndef, #import, or #pragma
1640 once. Looks up things in the include hash table.
1641 (file_cleanup): Decrement pfile->system_include_depth here if
1643 (find_include_file): Calling convention changed; now passes
1644 around a struct include_hash instead of 3 separate parameters.
1645 Guts ripped out and replaced with new include_hash mechanism.
1646 (finclude): Calling convention changed as for
1647 find_include_file. Error exits pulled out-of-line. Reformat.
1648 (safe_read): Return a long, not an int.
1649 (deps_output): Don't recurse.
1651 * cpplib.c (is_system_include): Deleted.
1652 (path_include): Fix up call to append_include_chain.
1653 (do_include): Fix up calls to find_include_file and finclude.
1654 Clean up dependency output a bit. Shorten obnoxiously lengthy
1655 #import warning message. Don't decrement
1656 pfile->system_include_depth here.
1657 (do_pragma): Understand the include_hash structure. Reformat.
1658 (do_endif): Correct handling of control macros. Understand
1660 (cpp_start_read): Fix up calls to finclude. Call
1661 merge_include_chains.
1662 (cpp_handle_option): Fix up calls to append_include_chain.
1663 Understand the four partial include chains.
1664 (cpp_finish): Add debugging code (#if 0-ed out) for the
1666 (cpp_cleanup): Free the include_hash, not the import hash and
1667 the all_include and dont_repeat lists which no longer exist.
1669 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1671 * toplev.c (no_new_pseudos): Define.
1672 (rest_of_compilation): Set no_new_pseudos as needed.
1673 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1674 if no_new_pseudos is set.
1675 * rtl.h (no_new_pseudos): Declare it.
1676 * reload1.c (reload): Update comments.
1677 * md.texi: Corresponding changes.
1679 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1681 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1682 (choose_reload_regs): Rename it here as well. When computing it,
1683 also merge in used hardregs.
1685 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1687 * gcc.c: Split out Objective-C specs to...
1688 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1691 * c-lex.c (init_parse): Always initialize the filename global.
1692 * objc/objc-act.c (lang_init): Always call check_newline at
1695 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1697 * reload1.c (reload): Remove unused variable.
1698 (reload_reg_free_for_value_p): Add missing parameter definition.
1700 * jump.c (jump_optimize): Remove unused variable.
1702 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1704 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1706 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1708 * expr.c (move_by_pieces): Similarly.
1709 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1710 * flow.c (find_auto_inc): Similarly.
1711 (try_pre_increment): Similarly.
1712 * loop.c (strength_reduce): Similarly.
1713 * regclass.c (auto_inc_dec_reg_p): Similarly.
1714 * regmove.c (try_auto_increment): Similarly.
1715 (fixup_match_1): Similarly.
1716 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1717 (HAVE_PRE_DECREMENT): Similarly.
1718 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1719 * Corresponding changes to all target header files.
1720 * tm.texi: Update docs for autoinc addressing modes.
1722 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1724 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1725 * configure: Rebuild.
1726 * config/elfos.h: New file.
1727 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1728 config/m68k/t-m68kelf: New file.
1730 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1732 * Makefile.in (HOST_AR): Define.
1733 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1734 (libcpp.a): Use the host tools explicitly.
1735 (STAGESTUFF): Add libcpp.a.
1737 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1739 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1740 to source and destination registers.
1742 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1744 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1745 The strategy we now use is to pre allocate the top_elt along
1746 with the EH context so that each thread has its own top_elt.
1747 This is necessary as the dynmanic cleanup chain is used on the
1748 top element of the stack and each thread MUST have its own.
1749 (eh_context_static): Likewise.
1750 (new_eh_context): Likewise.
1751 (__sjthrow): Likewise.
1753 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1755 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1756 * i386.md (prologue_get_pc): Remove unused variable.
1758 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1760 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1762 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1764 * Makefile.in (OBJS): Add graph.o
1765 (graph.o): New dependency list.
1766 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1767 * print-rtl.c (dump_for_graph): Define new variable.
1768 (print_rtx): Rewrite to allow use in graph dumping functions.
1769 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1770 finish_graph_dump_file.
1771 Define graph_dump_format.
1772 (compile_file): If graph dumping is enabled also clear these files.
1773 Finish graph dump files.
1774 (rest_of_compilation): Also dump graph information if enabled.
1775 (main): Recognize -dv to enabled VCG based graph dumping.
1776 * graph.c: New file. Graph dumping functions.
1778 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1780 * configure.in: Look for <sys/stat.h>.
1781 * system.h: Include it before substitute S_ISREG definitions.
1783 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1785 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1786 * config/mips/iris6.h: Same.
1787 * config/mips/mips.md: Same.
1788 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1789 * config/mips/mips.h: Same; also define ABI_O64.
1791 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1793 * configure.in: Use AC_PREREQ(2.12.1).
1795 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1797 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1798 * cpplib.c, gcc.c: Likewise.
1799 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1801 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1803 * local-alloc.c (local_alloc): Use malloc not alloca for
1804 reg_qty, reg_offset, ref_next_in_qty.
1806 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1808 * caller-save.c (insert_one_insn): Initialize the live_before and
1809 live_after register sets.
1813 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1814 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1815 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1816 (fp_reg_names, assembler_dialect): New variables.
1817 (print_operand_address): Handle SUBREGs.
1818 (print_operand): Added 'o' case.
1819 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1820 Name of FP registers depends on mode.
1821 (expand_block_move): Emit different code for SH4 hardware.
1822 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1823 (from_compare): Likewise.
1824 (add_constant): New argument last_value. Changed all callers.
1825 (find_barrier): Don't try HImode load for FPUL_REG.
1826 (machine_dependent_reorg): Likewise.
1827 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1828 (gen_far_branch): Emit a barrier after the new jump.
1829 (barrier_align): Don't trust instruction lengths before
1831 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1832 Use auto-inc addressing for fp registers if doubles need to
1833 be loaded in two steps.
1834 Set sh_flag_remove_dead_before_cse.
1835 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1836 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1837 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1838 Support for FIRST_XD_REG .. LAST_XD_REG.
1839 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1840 (sh_expand_epilogue): Likewise.
1841 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1842 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1843 (arith_reg_operand): FPUL_REG is OK for SH4.
1844 (fp_arith_reg_operand, fp_extended_operand) New functions.
1845 (tertiary_reload_operand, fpscr_operand): Likewise.
1846 (commutative_float_operator, noncommutative_float_operator): Likewise.
1847 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1848 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1849 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1850 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1851 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1852 (CONDITIONAL_REGISTER_USAGE): Likewise.
1853 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1854 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1855 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1856 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1857 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1858 to -1 and sh_flag_remove_dead_before_cse to 1.
1859 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1860 (assembler_dialect, fp_reg_names): Declare.
1861 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1862 Hide names of registers that are not accessible.
1863 (CACHE_LOG): Take TARGET_CACHE32 into account.
1864 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1865 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1866 (FIRST_PSEUDO_REGISTER: Now 49.
1867 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1868 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1869 (HARD_REGNO_MODE_OK): Update.
1870 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1871 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1872 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1873 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1874 (NPARM_REGS): Eight floating point parameter registers on SH4.
1875 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1876 in floating point registers.
1877 (GET_SH_ARG_CLASS) Likewise.
1878 Complex float types are also returned in float registers.
1879 (BASE_ARG_REG): Complex float types are also passes in float registers.
1880 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1881 (LIBCALL_VALUE): Remove trailing semicolon.
1882 (ROUND_REG): Round when double precision value is passed in floating
1884 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1885 passed on the stack.
1886 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1887 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1888 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1889 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1890 (MODE_DISP_OK_8): Not for SH4 DFmode.
1891 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1892 Allow indexed addressing for PSImode after reload.
1893 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1894 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1895 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1896 (DOUBLE_TYPE_SIZE): 64 for SH4.
1897 (RTX_COSTS): Add PLUS case.
1898 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1899 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1900 MAC_REGS, PR_REGS, DF_REGS.
1901 (REGISTER_NAMES): Use fp_reg_names.
1902 (enum processor_type): Add PROCESSOR_SH4.
1903 (sh_flag_remove_dead_before_cse): Declare.
1904 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1905 (PREDICATE_CODES): Add binary_float_operator,
1906 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1907 fpscr_operand, noncommutative_float_operator.
1908 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1909 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1910 * sh.md (attribute cpu): Add value sh4.
1911 (attrbutes fmovd, issues): Define.
1912 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1913 (function units memory, int, mpy, fp): Make dependent on issue rate.
1914 (function units issue, single_issue, load_si, load): Define.
1915 (function units load_store, fdiv, gp_fpul): Define.
1916 (attribute hit_stack): Provide proper default.
1917 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1918 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1919 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1920 (mulsi3_call): Now uses match_operand for function address.
1921 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1923 (push, pop, push_e, pop_e): Now define_expands.
1924 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1925 (movsi_ie): Added y/i alternative.
1926 (ic_invalidate_line_i, movdf_i4): New insns.
1927 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1928 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1929 (movdf): Add special code for SH4.
1930 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1931 (call_valuei, calli, call_value): Likewise.
1932 (movsf): Emit no-op move.
1933 (mov_nop, movsi_y): New insns.
1934 (blt, sge): generalize to handle DFmode.
1935 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1936 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1937 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1938 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1939 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1940 (toggle_sz): New insn.
1941 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1942 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1943 (macsf3): Make use of fpscr visible. Disable for SH4.
1944 (floatsisf2): Make use of fpscr visible.
1945 (floatsisf2_i4): New insn.
1946 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1947 (ieee_ccmpeqsf_t): Likewise.
1948 (fix_truncsfsi2): Emit different code for SH4.
1949 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1950 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1951 (negsf2, sqrtsf2, abssf2): Now expanders.
1952 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1953 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1954 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1955 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1956 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1957 (fix_truncdfsi2_i4_2+1): New splitters.
1958 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1959 (extendsfdf2, truncdfsf2): New expanders.
1960 (truncdfsf2_i4): New insn.
1961 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1962 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1963 * float-sh.h: When testing for __SH3E__, also test for
1964 __SH4_SINGLE_ONLY__ .
1965 * va-sh.h (__va_freg): Define to float.
1966 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1967 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1968 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1969 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1971 (TARGET_SH4_P): Define.
1974 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1975 init_expr_once is satisfied about the existence of load / store insns.
1977 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1978 change m constraint in source operand to mr / mf .
1980 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1982 * (__VA_REEF): Define.
1983 (__va_arg_sh1): Use it.
1985 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1987 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1989 * i386/dgux.c (struct option): Add new "description field".
1990 * m88k/m88k.c (struct option): Likewise.
1992 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1994 * version.c: Bump for snapshot.
1996 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1998 * regmove.c (regmove_profitable_p): Use return value of find_matches
2001 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2003 * version.c: Bump for snapshot.
2005 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2007 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2008 without reload having been called earlier.
2010 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2012 (v850_reorg): Similarly.
2014 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2016 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2018 * loop.c (move_movables): Start of libcall might be new loop start.
2020 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2022 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2024 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2026 * function.c (nonlocal_goto_handler_slots): Renamed from
2027 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2028 (push_function_context_to): Adjust for this change.
2029 (pop_function_context_from): Likewise.
2030 (init_function_start): Likewise.
2031 (expand_function_end): Likewise.
2032 * function.h (struct function): Likewise.
2033 * calls.c (expand_call): Likewise.
2034 * explow.c (allocate_dynamic_stack_space): Likewise.
2035 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2036 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2038 (expand_goto): When doing a nonlocal goto, find corresponding handler
2039 slot for it. Don't put the label address in the static chain register.
2040 (expand_end_bindings): Break out nonlocal goto handling code into
2041 three new functions.
2042 (expand_nl_handler_label, expand_nl_goto_receiver,
2043 expand_nl_goto_receivers): New static functions, broken out of
2044 expand_end_bindings and adapted to create one handler per nonlocal
2046 * function.c (delete_handlers): Delete insn if it references any of
2047 the nonlocal goto handler slots.
2048 * i960.md (nonlocal_goto): Comment out code that modifies
2050 * sparc.md (nonlocal_goto): Likewise.
2051 (goto_handler_and_restore_v9): Comment out.
2052 (goto_handler_and_restore_v9_sp64): Comment out.
2054 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2056 * expr.c (STACK_BYTES): Delete unused macro.
2057 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2058 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2059 (expand_call): Likewise.
2060 (emit_library_call): Likewise.
2061 (emit_library_call_value): Likewise.
2062 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2063 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2064 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2065 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2066 (allocate_dynamic_stack_space): Likewise.
2067 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2068 (STACK_BOUNDARY): Update description to reflect the new situation.
2070 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2072 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2073 return with a filled delay slot is followed by a return with an
2074 unfilled delay slot, delete the first return and reemit the insn
2075 that was previously in its delay slot.
2077 * i860.c (single_insn_src_p): Add missing parens.
2078 * ginclude/math-3300.h: Likewise.
2080 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2082 * regclass.c (init_reg_sets_1): Add prototype.
2083 (init_reg_modes): Likewise.
2085 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2087 * c-common.c: Change warning messages to say `comparison is
2088 always true' or `comparison is always false' instead of the
2089 confusing `is always 0', `is always 1'.
2091 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2093 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2094 break instead of return (which loses closing '>').
2096 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2098 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2099 standard 387 constants.
2101 * i386.md (jump): Explicitly set "memory" attribute.
2102 (indirect_jump, prologue_set_stack_ptr): Likewise.
2103 (prologue_get_pc_and_set_got, pop): Likewise.
2104 (allocate_stack_worder, blockage, return_internal): Likewise.
2105 (return_pop_internal, nop): Likewise.
2106 (epilogue_set_stack_ptr, leave): Likewise.
2108 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2110 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2112 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2114 * reload1.c (reload_reg_free_for_value_p):
2115 Early auto_inc reloads don't conflict with outputs.
2117 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2119 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2120 Instead call AC_HEADER_SYS_WAIT.
2122 * collect2.c: Don't provide defaults for sys/wait.h macros.
2124 * protoize.c: Likewise. Also, don't include sys/wait.h.
2126 * system.h: Include sys/wait.h and provide macro defaults.
2128 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2130 * Makefile.in (mandir): Set to @mandir@.
2131 (man1dir): New variable to hold the former value of $(mandir).
2132 Replace all uses of $(mandir) by $(man1dir).
2134 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2136 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2137 a new one before passing it to force_const_mem.
2139 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2140 find_reloads_address call.
2142 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2144 * expr.c (store_expr): Don't generate load-store pair
2145 if TEMP is identical (according to ==) with TARGET.
2147 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2149 * reload1.c (reload_reg_free_for_value_p): When considered reload
2150 has an output, matching inputs are not sufficient to avoid conflict.
2152 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2154 * hash.h (hash_table_key): New type.
2155 (hash_entry): Change `string' field to generic `key'.
2156 (hash_table): Add `comp' and `hash' functions.
2157 (hash_table_init): Take them as input.
2158 (hash_table_init_n): Likewise.
2159 (hash_lookup): Modify for generic keys.
2160 (hash_newfunc): Likewise.
2161 (hash_traverse): Likewise.
2162 (string_hash): New function.
2163 (string_compare): Likewise.
2164 (string_copy): Likewise.
2165 * hash.c (hash_table_init_n): Modify for generic keys.
2166 (hash_table_init): Likewise.
2167 (hash_lookup): Likewise.
2168 (hash_newfunc): Likewise.
2169 (hash_traverse): Likewise.
2170 (string_hash): Split out from hash_lookup.
2171 (string_compare): New function.
2172 (string_copy): Split out from hash_lookup.
2173 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2175 (symbol_hash_lookup): Likewise.
2176 (file_hash_newfunc): Likewise.
2177 (file_hash_lookup): Likewise.
2178 (demangled_hash_newfunc): Likewise.
2179 (demangled_hash_lookup): Likewise.
2180 (tlink_int): Likewise.
2181 (read_repo_file): Likewise.
2182 (recompile_files): Likewise.
2183 (demangle_new_symbols): Likewise.
2184 (scan_linker_output): Likewise.
2186 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2188 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2190 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2192 * rs6000.c (output_mi_thunk): Improve test for local branch.
2194 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2196 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2198 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2200 * reload1.c (reload_reg_free_before_p): Delete.
2201 Changed all callers to use reload_reg_free_for_value_p instead.
2202 (reload_reg_free_for_value_p): Handle more reload types.
2203 A RELOAD_FOR_INPUT doesn't conflict with its
2204 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2205 Add special case for OUT == const0_rtx.
2206 Added ignore_address_reloads argument. Changed all callers.
2208 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2210 * toplev.c (compile_file): Don't pedwarn about undefined static
2211 functions just because we passed -Wunused.
2213 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2215 * function.c (purge_addressof_1): Unshare rtl created by
2218 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2220 * regmove.c (regmove_optimize): Don't do anything but
2221 optimize_reg_copy[123] when flag_regmove is not set.
2223 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2225 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2226 value in paradoxical SImode result, rather than truncating midpoint.
2228 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2230 * alpha.c (reg_not_elim_operand): New.
2231 * alpha.h (PREDICATE_CODES): Add it.
2232 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2233 for the multiplicand.
2235 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2237 * rs6000.md (movsf): Remove explicit secondary-reload-like
2238 functionality. Only truncate SFmode store if in FPR.
2239 (movsf splitters): Combine const_double splitters.
2240 (movsf_hardfloat): Add GPR support.
2242 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2244 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2245 deprecate -mlive-g0 and -mbroken-saverestore.
2246 * t-splet (MULTILIB_OPTIONS): Likewise.
2248 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2249 in a leaf function. Clarify total_size/extra_size relationship.
2251 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2253 * i386/cygwin32.asm: Delete.
2254 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2255 * i386/cygwin32.h: Delete.
2256 * i386/cygwin.h: New file, renamed from cygwin32.h.
2257 * i386/t-cygwin32: Delete.
2258 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2259 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2260 * i386/x-cygwin32: Delete.
2261 * i386/x-cygwin: New file, renamed from x-cygwin32.
2262 * i386/xm-cygwin32: Delete.
2263 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2264 renamed cygwin_ funcs for path translations.
2265 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2266 * i386/winnt.c: Remove "32" from comment about cygwin.
2267 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2268 * rs6000/cygwin32.h: Delete.
2269 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2270 -D__CYGWIN__ to CPP_PREDEFINES.
2271 * rs6000/x-cygwin32: Delete.
2272 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2273 * rs6000/xm-cygwin32: Delete.
2274 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2276 * configure.in: Check for cygwin* instead of cygwin32. Account
2277 for the rename of cygwin-related config files to lose the "32"s.
2278 * configure: Regenerate.
2280 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2281 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2283 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2285 * Makefile.in (JAVAGC): New macro.
2286 * configure: Rebuilt.
2287 * configure.in: Recognize --enable-java-gc argument. Subst
2290 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2292 Handle equivalences that have been obscured by gcse:
2294 * reload1.c (reload): Handle equivalences set up in multiple places.
2295 * local-alloc.c (reg_equiv_init_insns): New variable.
2296 (no_equiv): New function.
2297 (update_equiv_regs): Handle equivalences set up in multiple places.
2298 Don't ignore an insn just because its destination is likely to be
2301 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2303 * except.c (expand_eh_return): Readd force_operand call lost in
2306 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2308 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2310 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2312 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2314 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2316 * regmove.c (regmove_optimize): Fix error in last change.
2318 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2320 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2321 offset in the .mask pseudo to compensate for frame pointer adjustments.
2322 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2323 word swap arguments moved to/from FP registers.
2324 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2326 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2328 * version.c: Bump for snapshot.
2330 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2332 * version.c: Bump for snapshot.
2334 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2336 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2337 times, then it can not be completely replaced.
2339 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2341 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2343 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2345 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2346 (to distinguish it from the macro wrapping ansidecl.h.)
2347 Include libiberty's ansidecl.h. Remove all redundant definitions.
2348 Define the PROTO() style macros in terms of the PARAMS() ones.
2351 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2352 __STDC__, when deciding whether to use ANSI variable args.
2353 (emit_library_call_value): Likewise.
2355 * cccp.c (error): Likewise.
2356 (warning): Likewise.
2357 (error_with_line): Likewise.
2358 (warning_with_line): Likewise.
2359 (pedwarn): Likewise.
2360 (pedwarn_with_line): Likewise.
2361 (pedwarn_with_file_and_line): Likewise.
2364 * cexp.y (error): Likewise.
2365 (pedwarn): Likewise.
2366 (warning): Likewise.
2368 * collect2.c (fatal_perror): Likewise.
2372 * combine.c (gen_rtx_combine): Likewise.
2374 * cpperror.c (cpp_message): Likewise.
2375 (cpp_fatal): Likewise.
2377 * cpplib.c (cpp_error): Likewise.
2378 (cpp_warning): Likewise.
2379 (cpp_pedwarn): Likewise.
2380 (cpp_error_with_line): Likewise.
2381 (cpp_warning_with_line): Likewise.
2382 (cpp_pedwarn_with_line): Likewise.
2383 (cpp_pedwarn_with_file_and_line): Likewise.
2385 * cpplib.h: Don't define PARAMS() macro.
2387 * demangle.h: Likewise.
2389 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2390 when deciding whether to use ANSI variable args.
2392 * emit-rtl.c (gen_rtx): Likewise.
2393 (gen_rtvec): Likewise.
2395 * final.c (asm_fprintf): Likewise.
2397 * fix-header.c (cpp_message): Likewise.
2399 (cpp_fatal): Likewise.
2401 * gcc.c (concat): Likewise.
2405 * genattr.c (fatal): Likewise.
2407 * genattrtab.c (attr_rtx): Likewise.
2408 (attr_printf): Likewise.
2411 * gencodes.c (fatal): Likewise.
2413 * genconfig.c (fatal): Likewise.
2415 * genemit.c (fatal): Likewise.
2417 * genextract.c (fatal): Likewise.
2419 * genflags.c (fatal): Likewise.
2421 * genopinit.c (fatal): Likewise.
2423 * genoutput.c (fatal): Likewise.
2426 * genpeep.c (fatal): Likewise.
2428 * genrecog.c (fatal): Likewise.
2430 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2431 deciding whether to declare `tree_node' and `rtx_def'.
2433 * hash.h: Don't define stuff we get from gansidecl.h.
2435 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2436 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2437 whether to use ANSI variable args.
2440 * prefix.c (concat): Likewise.
2444 * system.h: Likewise.
2446 * toplev.c (error_with_file_and_line): Likewise.
2447 (error_with_decl): Likewise.
2448 (error_for_asm): Likewise.
2451 (warning_with_file_and_line): Likewise.
2452 (warning_with_decl): Likewise.
2453 (warning_for_asm): Likewise.
2454 (warning): Likewise.
2455 (pedwarn): Likewise.
2456 (pedwarn_with_decl): Likewise.
2457 (pedwarn_with_file_and_line): Likewise.
2459 (really_sorry): Likewise.
2461 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2462 whether to declare `tree_node' and `rtx_def'.
2464 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2465 deciding whether to use ANSI variable args.
2466 (build_nt): Likewise.
2467 (build_parse_node): Likewise.
2469 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2471 * version.c: Bump for snapshot.
2473 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2475 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2477 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2479 * collect2.c (main, case 'b'): Use else if.
2481 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2483 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2484 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2485 before the config/ directory headers.
2486 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2487 gansidecl.h in the list of dependencies.
2489 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2490 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2491 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2492 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2493 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2494 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2497 * cccp.c: Don't include gansidecl.h.
2499 * collect2.c: Likewise.
2500 * config/c4x/c4x.c: Likewise.
2501 * config/v850/v850.h: Likewise.
2502 * cppalloc.c: Likewise.
2503 * cpperror.c: Likewise.
2504 * cppexp.c: Likewise.
2505 * cppfiles.c: Likewise.
2506 * cpphash.c: Likewise.
2507 * cpplib.c: Likewise.
2508 * cppmain.c: Likewise.
2509 * cppulp.c: Likewise.
2510 * demangle.h: Likewise.
2511 * doprint.c: Likewise.
2512 * dyn-string.c: Likewise.
2513 * eh-common.h: Likewise.
2514 * fix-header.c: Likewise.
2515 * frame.c: Likewise.
2518 * gen-protos.c: Likewise.
2519 * gencheck.c: Likewise.
2520 * halfpic.h: Likewise.
2522 * machmode.h: Likewise.
2523 * mbchar.c: Likewise.
2524 * prefix.c: Likewise.
2525 * protoize.c: Likewise.
2526 * recog.h: Likewise.
2528 * scan-decls.c: Likewise.
2530 * varray.h: Likewise.
2532 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2534 * i386.md (call_value_pop): If we're not popping anything,
2535 defer to call_value.
2536 (call_pop): Likewise defer to call.
2538 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2540 * function.c (purge_addressof): Clear purge_addressof_replacements
2541 only after processing the whole function.
2543 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2545 * reload1.c (reload): If we can not perform a particular elimination
2546 when we thought we could earlier, then we must always iterate through
2547 the loop at least one more time.
2549 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2551 * alpha.c (add_operand): Simplify the CONST_INT match.
2552 (sext_add_operand): Correct typo in comparison by using
2553 CONST_OK_FOR_LETTER_P.
2554 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2555 constant alternatives to be generated.
2556 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2557 small constants, since the hw instructions do.
2559 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2561 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2562 previous insn to store directly into our reload register, make sure
2563 that if the source of the previous insn is a reload register, its
2564 spill_reg_store and spill_reg_stored_to values are cleared.
2566 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2568 * rs6000.md (floatunssidf2_internal splitter): Use base register
2569 operand, not hard-coded SP.
2571 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2573 * jump.c (calculate_can_reach_end): Fix thinko.
2575 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2577 * reorg.c (fill_simple_delay_slots): Fix typo.
2579 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2581 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2583 * i386.md (extendsidi2): Use # in the output template.
2584 (extendsidi splitters): New splitters.
2586 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2588 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2590 * configure: Regenerate.
2592 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2594 * jump.c (init_label_info, delete_barrier_successors,
2595 mark_all_labels, delete_unreferenced_labels,
2596 delete_noop_moves, calculate_can_reach_end): New functions broken
2597 out of jump_optimize.
2598 (jump_optimize): Use them.
2600 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2602 * except.c (expand_fixup_region_end): Make sure outer context labels
2603 are not issued in an inner context during cleanups.
2605 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2607 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2610 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2612 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2613 to expose this midpoint to CSE.
2615 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2617 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2619 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2621 * configure.in: Bring over gcc2 change of Nov 19 1997.
2623 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2625 * toplev.c (output_lang_identify): Make definition dependent on
2626 ASM_IDENTIFY_LANGUAGE.
2628 * print-rtl.c (spaces): Make static.
2630 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2632 * extend.texi: Clarify proper uses for register clobbers in asms.
2634 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2636 * recog.h (enum op_type): Define.
2637 (constrain_operands): Adjust prototype.
2638 (recog_op_type): Declare new variable.
2639 * recog.c (recog_op_type): New variable.
2640 (insn_invalid_p): Allow modifying an asm statement after reload.
2641 (extract_insn): Set up recog_op_type.
2642 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2643 Don't compute operand types, use recog_op_type.
2644 Use the information computed by extract_insn instead of the previous
2645 method of finding it by insn code number.
2646 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2647 * reorg.c (fill_slots_from_thread): Likewise.
2648 * reload1.c (reload_as_needed): Likewise.
2649 (gen_reload): Likewise.
2650 (inc_for_reload): Likewise.
2651 (reload_cse_simplify_operands): Likewise.
2652 Use the information computed by extract_insn instead of the previous
2653 method of finding it by insn code number.
2654 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2656 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2657 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2658 Use the information computed by extract_insn instead of the previous
2659 method of finding it by insn code number.
2660 * regmove.c (find_matches): Likewise. Change meaning of the return
2661 value to be nonzero if the optimization can be performed, zero if
2662 not. All callers changed.
2663 Shorten some variable names to fix formatting problems.
2664 (regmove_optimize): Shorten some variable names to fix formatting
2666 Use the information computed by extract_insn instead of the previous
2667 method of finding it by insn code number.
2668 * regclass.c (scan_one_insn): Likewise.
2669 (record_reg_classes): Don't compute operand types, use recog_op_type.
2670 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2671 recog_constraints instead.
2673 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2675 * rtl.h (flow2_completed): Declare.
2676 * flow.c (flow2_completed): Definition.
2677 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2680 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2682 * Makefile.in (libcpp.a): Ranlib libcpp.a
2684 * cppulp.c (user_label_prefix): Initialize.
2686 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2688 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2689 at a RETURN if current_function_sp_is_unchanging is set.
2691 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2693 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2695 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2697 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2698 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2699 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2700 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2701 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2702 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2704 (LIB_SPEC): Handle -mno-cyginw option.
2705 (LINK_SPEC): Handle -mdll.
2707 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2709 * reload.c (find_reloads): Fix test for usage by other reload
2710 to handle secondary reloads properly.
2712 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2714 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2715 intermediate structure which has exactly the members provided by
2716 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2717 static intermediate structure.
2719 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2720 from the intermediate structure. Do the same analogous fix in
2721 the case where ELIMINABLE_REGS is not defined.
2723 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2725 * pa.h (SELECT_SECTION): Fix thinko.
2727 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2729 * dwarf2out.c (output_call_frame_info): Comments on last change.
2731 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2733 * arm.c (add_constant): When taking the address of an item in the
2734 pool, get the mode of the item addressed.
2736 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2737 contain a SET or a PARALLEL, don't consider it for conditional
2740 Restore ABI compatibility for NetBSD.
2741 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2743 (RETURN_IN_MEMORY): Likewise.
2745 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2747 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2748 (m32r_output_block_move): Rewrite bytes < 4 handling.
2750 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2752 * configure.in: Call AC_FUNC_VFORK.
2754 * collect2.c: Define VFORK_STRING as a printable string for
2755 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2756 defined, include vfork.h. If VMS is defined, define vfork()
2757 appropriately. Remove vfork check on USG, we're using autoconf.
2758 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2759 checking locally what string to pass.
2760 (scan_prog_file): Likewise.
2761 (scan_libraries): Likewise.
2763 * gcc.c: Remove vfork check on USG, we're using autoconf.
2764 Besides, no calls to vfork/fork occur in this file.
2766 * protoize.c: Likewise.
2768 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2770 * configure.in (DEFAULT_LINKER): renamed from LD
2771 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2772 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2773 * configure: rebuilt
2775 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2777 * BUGS: fix the regexp for `more' to find the appropriate node.
2778 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2780 * BUGS: added link to the WWW FAQ
2782 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2784 * version.c: Bump for snapshot.
2786 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2788 * From Christian Gafton:
2789 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2790 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2791 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2793 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2795 * c-common.c (c_get_alias_set): Allow all type-punning through
2796 unions. Don't get confused about the type of a bit-field, despite
2797 the antics of build_modify_expr.
2799 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2801 * fixinc.sco: Paramaterize #include_next values.
2802 * fixinc/fixinc.sco: Likewise.
2804 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2806 * toplev.c (rest_of_compilation): No longer set reload_completed.
2807 * reload1.c (reload): Set it here. Perform instruction splitting
2808 after reload has completed if we will be running the scheduler
2811 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2813 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2814 EH region if exceptions are enabled and we're performing cross
2816 (find_cross_jump): Exit loop if the insns are in different EH regions.
2818 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2820 * dwarf2out.c (output_call_frame_info): Use
2821 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2823 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2825 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2826 * c-common.c (check_format_info): Don't check for the 'x'
2827 format character twice, instead check for 'x' and 'X'
2829 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2831 * configure.in (assembler features): Also make gas is configured if
2832 we find it in the souce tree.
2834 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2836 * i386.c (i386_comp_type_attributes): Compare whether the
2837 attributes are defined, not their tree nodes.
2839 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2841 * configure.in (gxx_include_dir): bitten by autoconf quoting
2843 * configure: rebuilt
2845 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2847 * configure.in: Ignore non-absolute value in $AS.
2849 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2851 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2853 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2855 * configure.in (msdosdjgpp): Set exeext and target_alias.
2857 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2859 * flow.c (XNMALLOC): New macro.
2860 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2862 (add_edge, add_edge_to_label): New static functions.
2863 (free_bb_memory): New function.
2864 (flow_delete_insn): Delete function.
2865 (basic_block_drops_in): Delete variable.
2866 (find_basic_blocks): Allocate and initialize basic_block_head,
2867 basic_block_succ. Don't allocate basic_block_drops_in.
2868 Call free_bb_memory at the beginning.
2869 (find_basic_blocks_1): Don't do multiple passes.
2870 Delete code to compute basic_block_drops_in.
2871 After calling make_edges, mark blocks reached by current block live.
2872 Update test for unreachable live blocks.
2873 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2875 Simplify to call add_edge_to_label when a LABEL_REF is found.
2876 (make_edges): Simplify to call add_edge_to_label instead of
2877 mark_label_ref most of the time.
2878 Compute here whether control drops into the next block.
2879 (delete_unreachable_blocks): Return void. All callers changed.
2880 Delete unreachable blocks in reverse order.
2881 After deleting all unreachable blocks, renumber the remaining ones
2882 and update n_basic_blocks.
2883 (delete_block): Speed up deletion a bit.
2884 Don't set basic_block_drops_in for deleted blocks.
2885 (free_basic_block_vars): Don't free basic_block_drops_in.
2886 (life_analysis_1): Update to use new edge representation.
2887 (dump_flow_info): Delete code to print basic block info; call
2888 dump_bb_data instead.
2889 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2890 and uid_block_number.
2891 Simply copy the previously computed cfg.
2892 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2893 Print register lifetime information if LIVE_INFO is nonzero.
2894 * basic-block.h (dump_bb_data): Adjust prototype.
2895 * gcse.c (gcse_main): Update call to dump_bb_data.
2896 * rtl.h (free_bb_memory): Declare.
2897 * toplev.c (rest_of_compilation): Call free_bb_memory.
2899 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2900 (update_eliminable_offsets): Don't compute it.
2901 (set_initial_elim_offsets): Don't initialize it.
2902 Break out some code into set_initial_label_offsets so the rest of
2903 this function can be called from reload_as_needed.
2904 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2905 ELIMINABLE_REGS isn't.
2906 (set_initial_label_offsets): New function, broken out of
2907 set_initial_elim_offsets.
2908 (set_offsets_for_label): New function, broken out of set_label_offsets
2909 and reload_as_needed.
2910 (reload): Call the two new functions.
2911 (reload_as_needed): Call set_initial_elim_offsets instead of
2912 duplicating the code. Likewise for set_offsets_for_label.
2914 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2915 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2916 any hard reg, reg_reloaded_dead contains valid data.
2918 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2920 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2921 "stdcall" and "cdecl" attributes.
2923 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2925 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2926 handle deleted no-op moves of hard registers.
2927 * haifa-sched.c (update_flow_info): Likewise.
2929 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2931 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2932 of the sequences to reload the HILO register which do not actually
2935 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2937 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2939 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2941 * except.c (emit_eh_context): Make the EH context register stay alive
2942 at -O0 so stupid.c doesn't get confused.
2944 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2946 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2948 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2949 Jeffrey A Law (law@cygnus.com)
2951 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2952 (zero_extendsidi2): Use # in output template and handle completely by
2954 (zero_extend splitters): New define_splits.
2955 (ashiftrt_32): New pattern.
2957 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2959 * tree.c (append_random_chars): New fn.
2960 (get_file_function_name_long): Use it.
2962 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2964 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2965 (LIBCPP_OBJS): New. Add cppulp.o.
2966 (cppmain, fix-header): Depend on and use libcpp.a.
2967 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2968 of the individual object files.
2969 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2972 * cccp.c (user_label_prefix): New.
2973 (main): Set it off -f*leading-underscore.
2974 (special_symbol): Use it.
2975 * cpplib.c (special_symbol): Likewise.
2976 (cpp_handle_option): Handle -f*leading-underscore.
2977 * cppulp.c: New file.
2979 * output.h (user_label_prefix): Declare it.
2980 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2981 * toplev.c (f_options, main): Handle -f*leading-underscore.
2983 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2984 referencing USER_LABEL_PREFIX directly.
2985 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2986 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2987 * final.c (asm_fprintf): Use user_label_prefix instead.
2988 * arm/thumb.c (thumb_print_operand): Likewise.
2990 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2991 cpp wherever appropriate.
2993 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2995 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2996 specific compiler switches.
2998 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3000 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3003 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3005 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3006 structure which has exactly the members provided by EXTRA_SPECS.
3007 Xmalloc() the real `extra_specs', and initialize it from this
3008 intermediate structure.
3010 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3012 * mips.h (EXTRA_SPECS): Likewise.
3014 * sparc.h (EXTRA_SPECS): Likewise.
3016 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3018 * function.c (purge_addressof_1): Instead of aborting when a
3019 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3020 work just put the ADDRESSOF on stack. Otherwise remember all such
3021 successfull replacements, so that exactly the same replacements
3022 can be made on the REG_NOTEs. Remove the special case for CALL
3024 (purge_addressof_replacements): New variable.
3025 (purge_addressof): Clear it at end.
3027 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3029 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3030 (lang_init): Call check_newline always.
3031 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3032 cpp_start_read, set yy_cur and yy_lim to read from
3033 parse_in.token_buffer, so that we'll see the first #line
3035 * cpplib.c (cpp_start_read): finclude the main input file
3036 before processing -include/-imacros. Process -imacros and
3037 -include separately, and handle -include by stacking a
3038 buffer for the file in question as if it'd been #included.
3039 * toplev.c (documented_lang_options) Recognize -H when
3042 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3044 * cpplib.c: Merge do_once into do_pragma. Break file handling
3045 code out of do_include.
3046 Move append_include_chain, deps_output,
3047 file_cleanup, redundant_include_p, import_hash,
3048 lookup_import, add_import, read_filename_string, read_name_map,
3049 open_include_file, finclude, safe_read to cppfiles.c.
3050 Move prototypes for deps_output, append_include_chain,
3051 finclude to cpplib.h. Move definition of struct
3052 file_name_list there also.
3054 * cppfiles.c: New file. Contains all the above functions
3055 broken out of cpplib.c; also hack_vms_include_specification
3056 from cccp.c and find_include_file, a new function broken out of
3059 * Makefile.in (cppmain): Depend on cppfiles.o.
3060 (fix-header): Likewise.
3061 (cppfiles.o): New target.
3062 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3063 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3065 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3067 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3068 if pending_types is non-zero.
3069 (dwarfout_finish): Verify pending_types is zero before finishing.
3071 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3073 * expr.c (convert_move): Use shifts to perform the move if a
3074 suitable extend pattern cannot be found. Code written by
3075 Richard Henderson <rth@cygnus.com>.
3077 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3079 * regclass.c (renumber, regno_allocated): New static variables, moved
3080 out of allocate_reg_info.
3081 (allocate_reg_info): Move these two variables outside the function.
3082 Move code to free memory into new function free_reg_info.
3083 (free_reg_info): New function, broken out of allocate_reg_info.
3084 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3085 * rtl.h (allocate_reg_info): Don't declare.
3086 (free_reg_info): Declare.
3088 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3090 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3092 * toplev.c (compile_file): Temporarily revert last change.
3094 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3096 * c-typeck.c (convert_for_assignment): Parenthesize.
3098 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3100 * reload1.c (delete_output_reload): Avoid ambigous else.
3102 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3104 * toplev.c (compile_file): Call allocate_reg_info to free register
3106 * rtl.h (allocate_reg_info): Declare.
3108 * PROJECTS: Remove entry for local spilling.
3110 * final.c (cleanup_subreg_operands): New function.
3111 (final_scan_insn): Use it.
3112 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3114 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3115 operands when reload has finished.
3116 * reload.h (cleanup_subreg_operands): Declare..
3117 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3118 reload. Handled in reload itself.
3120 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3122 * reload1.c (verify_initial_offsets): New function.
3123 (reload): Call it after reload_as_needed. Also verify that the frame
3124 size stays constant during reload_as_needed.
3125 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3127 * reload.h (struct insn_chain): Add need_operand_change element.
3128 * reload1.c (new_insn_chain): Clear it.
3129 (calculate_needs_all_insns): Set it; don't overload need_reload.
3130 (reload_as_needed): Use it.
3132 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3133 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3134 and reload_address_index_reg_class.
3135 (find_reloads_address_1): Likewise.
3136 * reload.h (reload_address_base_reg_class,
3137 reload_address_index_reg_class): Don't declare.
3138 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3139 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3140 (used_spill_regs): Now static.
3141 (reload_address_base_reg_class, reload_address_index_reg_class,
3142 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3143 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3144 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3147 (init_reload): Delete code to compute base/index reg classes.
3148 (reload): Delete variable J.
3149 Delete code to manage basic_block_needs.
3150 Don't compute regs_explicitly_used.
3151 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3152 pseudo_previous_regs.
3153 Initialize bad_spill_regs_global.
3154 Don't call order_regs_for_reload here.
3155 Don't initialize spill_reg_order and n_spills.
3156 Don't forbid explicitly used regs to be used for spill regs.
3157 Change main loop to infinite loop, with explicit break statements.
3158 Make SOMETHING_CHANGED variable local to that loop.
3159 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3160 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3161 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3163 Don't call dump_needs.
3164 Delete code to reset potential_reload_regs.
3165 Delete code to terminate loop conditional on the global needs variables
3166 showing no further needs.
3167 (calculate_needs_all_insns): Return void. All callers changed.
3168 Initialize somehing_needs_elimination here, not in reload.
3169 Delete avoid_return_reg kludge.
3170 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3171 All callers changed.
3172 Initialize the group_mode and group_size elements of the arg CHAIN.
3173 Delete code to manage basic_block_needs.
3174 Operate on elements of CHAIN instead of global variables.
3175 Delete avoid_return_reg kludge.
3176 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3177 All callers changed.
3178 Operate on elements of CHAIN instead of global variables.
3179 Delete special SMALL_REGISTER_CLASSES code.
3180 Delete spill_failure code; now in new_spill_reg.
3181 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3182 All callers changed.
3183 Operate on elements of CHAIN instead of global variables.
3184 (maybe_mark_pseudo_spilled): New static function.
3185 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3186 All callers changed.
3187 Operate on elements of CHAIN instead of global variables.
3188 Call order_regs_for_reload here, not in reload.
3189 Initialize spill_reg_order and n_spills.
3190 Simplify test whether an asm insn is involved.
3191 Delete spill_failure code; now in new_spill_reg.
3192 Call maybe_mark_pseudo_spilled for everything marked as live in
3193 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3195 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3196 compiler from optimizing this function (now unused) away.
3197 Operate on elements of CHAIN instead of global variables.
3198 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3200 Operate on elements of CHAIN instead of global variables.
3201 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3202 take CHAIN arg. All callers changed.
3203 Operate on elements of CHAIN instead of global variables.
3204 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3205 CHAIN, NONGROUP args. Return void. All callers changed.
3206 Verify caller isn't trying to spill a pseudo.
3207 Simplify test for illegal reg, just use bad_spill_regs.
3208 Generate better error messages.
3209 Operate on elements of CHAIN instead of global variables.
3210 Mark spilled register in CHAIN's used_spill_regs element.
3211 Don't call spill_hard_reg.
3212 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3213 Mark spilled hard regs in bad_spill_regs_global.
3214 Mark affected pseudos in spilled_pseudos, but don't spill them.
3215 (ior_hard_reg_set): New static function.
3216 (finish_spills): Return int. All callers changed.
3217 Compute spill_reg_order, n_spills and spill_regs here. Also update
3218 regs_ever_live for regs used as spills.
3219 For every pseudo in spilled_pseudos, spill it and mark the previous
3220 hard reg it had in pseudo_previous_regs. Compute which hard regs
3221 arseudo): New static function.
3222 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3223 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3224 hard registers explicitly used across the current insn into the set.
3225 Compute hard_reg_n_uses taking only pseudos live across this insn
3227 Tweak sorting of potential_reload_regs.
3228 (compare_spill_regs): Delete function.
3229 (reload_as_needed): Don't sort the spill_regs array, it's computed
3230 in proper order in finish_spills.
3231 Delete avoid_return_reg kludge.
3232 Delete code to manage basic_block_needs.
3233 (allocate_reload_reg): Minor speed/readability tweaks.
3234 Operate on elements of CHAIN instead of global variables.
3235 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3236 Delete avoid_return_reg kludge.
3237 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3238 Delete unused label FAIL.
3239 (reload_combine): Replce reload_address_index_reg_class with
3241 Don't use used_spill_regs to determine information about lifetime of
3244 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3246 * toplev.c (display_help): Ignore empty target specific
3247 options, and if -W is also specified on the command line then
3248 display undocumented options.
3250 * config/arm/arm.c: Updated with changes in devo sources.
3251 * config/arm/arm.h: Updated with changes in devo sources.
3252 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3253 * config/arm/lib1thumb.asm: Add ELF support.
3255 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3257 * collect2.c (aix64_flag): New variable.
3258 (main, case 'b'): Parse it.
3259 (GCC_CHECK_HDR): object magic number must match mode.
3260 (scan_prog_file): Only check for shared object if valid header.
3261 Print debugging if header/mode mismatch.
3263 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3265 Added support for arm-elf-linux configuration, submitted by Philip
3266 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3267 code developed by Catherine Moore <clm@cygnus.com>. The following
3270 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3273 * configure: Regenerated.
3275 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3276 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3277 definitions conditional on their not having been already defined.
3279 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3280 and .type directives, and add "(PLT)" qualification to function
3283 * config/arm/linux.h: Deleted. This file is now superceeded by
3284 either linux-elf.h or linux-aout.h.
3286 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3287 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3289 Move definitions from old linux.h file here.
3291 * config/arm/elf.h: New file. Generic ARM/ELF support.
3293 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3295 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3297 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3298 using the 26bit APCS.
3300 * config/arm/unknown-elf.h: New file. Support for OS'es other
3301 than Linux with ELF.
3303 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3306 * config/arm/coff.h: Include aout.h for basic assembler macros.
3307 Add support for -mstructure_size_boundary=<n> command line option.
3309 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3310 command line option. Make macro definitions conditional on their
3311 not having been already defined.
3313 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3314 command line option.
3317 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3319 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3320 has been changed to not include a newline. Use this macro instead.
3321 (output_enumeral_list, const_value_attribute, name_attribute,
3322 comp_dir_attribute, prototyped_attribute, producer_attribute,
3323 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3324 dwarfout_file_scope_decl, generate_new_sfname_entry,
3325 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3326 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3328 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3330 * combine.c (subst): Process the inputs to a parallel asm_operands
3333 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3335 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3337 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3339 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3341 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3343 * version.c: Bump for snapshot.
3345 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3347 * stmt.c (expand_fixup): Set fixup->before_jump to a
3348 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3350 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3352 * Makefile.in (recog.o): Depend on toplev.h.
3353 (insn-emit.o): Depend on recog.h.
3354 (insn-peep.o): Depend on recog.h and insn-config.h.
3356 * combine.c (simplify_set): Remove unused variable `scratches'.
3358 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3359 and `idx' in macro conditional controlling their use.
3361 * genemit.c (main): Make the generated output file include
3362 recog.h. Don't have it declare `insn_operand_constraint', since
3363 we get it from recog.h.
3365 * genpeep.c (main): Make the generated output file include
3366 insn-config.h and recog.h.
3368 * recog.c: Include toplev.h.
3369 (extract_insn): Remove unused variable `p'.
3371 * regclass.c (fix_register): Add missing braces around initializer
3373 (allocate_reg_info): Move variable `i' into the scope where it is
3374 used. Change its type to `size_t'.
3376 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3378 * reload.c (push_reload): When merging reloads, make sure
3379 that reload_in_reg and reload_in are from the same reload in
3382 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3384 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3385 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3387 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3389 * loop.c (loop_has_tablejump): New variable.
3390 (prescan_loop): Scan for it.
3391 (insert_bct): Replace explicit scan with use of it.
3392 * regclass.c (regclass): Restore loop variable j.
3393 (record_reg_classes): Deterine op_types modifiers and initialize
3394 classes[i] before matching constraints. Handle matching
3397 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3399 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3402 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3404 * mips.h (EXTRA_SPECS): Add missing initializers.
3406 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3408 * sparc.h (EXTRA_SPECS): Add missing initializers.
3409 (sparc_defer_case_vector): Provide a prototype.
3411 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3412 comparing it to the result of a pointer subtraction.
3414 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3416 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3417 the argument to (unsigned char).
3419 * alpha.h (EXTRA_SPECS): Add missing initializers.
3420 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3423 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3425 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3426 (propagate_block): Delete dead code after reload.
3428 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3429 back Oct 15, 1998 change.
3430 * haifa-sched.c (update_flow_info): Likewise.
3431 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3433 * mn10200.md (truncated shift): Accept constant inputs too.
3435 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3437 * machmode.h (mode_mask_array): No longer const.
3438 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3440 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3442 * frame.c: Somewhat explain `FDE'.
3443 Suggested by Brendan Kehoe
3445 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3447 * expr.c (pending_chain): Move up.
3448 (save_expr_status): Do save pending_chain.
3449 (restore_expr_status): And restore it.
3450 * function.h (struct function): Add pending_chain.
3452 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3454 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3455 did not match the code.
3457 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3459 * regclass.c (regclass): Break out some code into new function
3460 scan_one_insn, and into regclass_init.
3461 (init_cost): New static variable, moved out of regclass.
3462 (regclass_init): Initialize it here, not in .
3463 (scan_one_insn): New static function, broken out of regclass.
3464 * recog.c (apply_change_group): Break out some code into new
3465 function insn_invalid_p.
3466 (insn_invalid_p): New static fn, broken out of apply_change_group.
3468 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3470 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3471 reg_reloaded_contents matches incremented pseudo.
3473 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3475 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3477 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3478 addressing modes with side effects. These are currently
3479 placeholders for the C4x target.
3481 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3483 * loop.c (express_from): Make sure that when generating a PLUS of
3484 a PLUS, any constant expression appears on the outermost PLUS.
3486 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3488 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3489 works if "$(srcdir)" != ".".
3491 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3493 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3494 existing SUBREG if we can, otherwise abort.
3496 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3498 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3499 `restrict' is applied to a non-pointer variable.
3501 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3503 * invoke.texi: Document -flang-isoc9x.
3505 * Makefile.in (OBJS): Add splay-tree.o.
3506 (c-common.o): Depend on rtl.h.
3507 (splay-tree.o): List dependencies and provide build rule.
3509 * rtl.h (record_alias_subset): New function.
3510 * alias.c: Include splay-tree.h.
3511 (alias_set_entry): New type.
3512 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3513 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3514 (mems_in_disjoin_alias_sets_p): New function.
3515 (alias_set_compare): Likewise.
3516 (insert_subset_children): Likewise.
3517 (get_alias_set_entry): Likewise.
3519 * tree.h (TYPE_RESTRICT): New macro.
3520 (TYPE_UNQUALIFIED): New manifest constant.
3521 (TYPE_QUAL_CONST): Likewise
3522 (TYPE_QUAL_VOLATILE): Likewise.
3523 (TYPE_QUAL_RESTRICT): Likewise.
3524 (tree_type): Add restrict_flag. Reduce count of free bits.
3525 (DECL_POINTER_ALIAS_SET): New macro.
3526 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3527 (tree_decl): Add pointer_alias_set.
3528 (build_qualified_type): New function.
3529 (build_type_variant): Define in terms of build_qualified_type.
3530 * tree.c (set_type_quals): New function.
3531 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3532 (build_type_attribute_variant): Use build_qualified_type and
3534 (build_type_variant): Rename, and modify, to become...
3535 (build_qualified_type): New function.
3536 (build_complex_type): Use set_type_quals.
3538 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3539 (C_TYPE_FUNCTION_P): Likewise.
3540 (C_TYPE_INCOMPLETE_P): Likewise.
3541 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3542 (c_apply_type_quals_to_decl): New function.
3543 (c_build_qualified_type): New function.
3544 (c_build_type_variant): Define in terms of c_build_qualified_type.
3545 (flag_isoc9x): Declare.
3546 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3547 (common_type): Change to use TYPE_QUALS.
3548 (comptypes): Likewise.
3549 (convert_for_assignment): Likewise.
3550 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3551 * c-decl.c (flag_isoc9x): Define.
3552 (c_decode_option): Handle -flang-isoc9x.
3553 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3554 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3555 * c-lex.c (init_lex): Deal with restrict.
3556 (init_lex): Don't treat restrict as a reserved word in
3557 -traditional mode, or without -flang-isoc9x.
3558 * c-lex.h (rid): Add RID_RESTRICT.
3559 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3560 equivalent to RID_RESTRICT.
3561 * c-parse.in (TYPE_QUAL): Update comment.
3562 * c-common.c: Include rtl.h.
3563 (c_find_base_decl): New function.
3564 (c_build_type_variant): Rename, and modify, to become ...
3565 (c_build_qualified_type): New function.
3566 (c_apply_type_quals_to_decl): Likewise.
3567 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3568 a particular alias set for the reference.
3569 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3571 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3573 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3574 command line switches.
3576 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3578 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3581 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3583 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3585 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3587 * regclass.c (fix_register): Add error message.
3588 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3591 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3593 * c-decl.c (warn_missing_noreturn): New global variable.
3594 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3595 (finish_function): Implement missing noreturn warning.
3597 * c-tree.h (warn_missing_noreturn): Declare extern.
3599 * invoke.texi: Document new flags.
3601 * toplev.c (documented_lang_options): Add description.
3603 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3605 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3606 loop optimization stable for the C4x.
3607 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3608 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3609 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3611 (c4x_address_conflict): Be more paranoid when packing a volatile
3612 memref in a parallel load/store.
3614 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3616 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3617 repeat_block_filler): Deleted.
3618 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3619 Condition code not set if destination register from 'c' class.
3620 (*subbqi3_carry_clobber): Fix typo.
3622 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3624 * reorg.c (steal_delay_list_from_target) Check for insns that
3625 modify the condition codes and effect the direction of the jump
3628 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3630 * function.c (purge_addressof_1): Replace call to
3631 emit_insns_before() with emit_insn_before().
3633 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3635 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3637 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3639 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3641 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3643 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3644 clobbered across calls.
3646 * loop.c (scan_loop): Be more selective about what invariants are
3647 moved out of a loop.
3649 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3651 * version.c: Bump for snapshot.
3653 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3655 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3656 static eh_context structure.
3658 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3660 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3662 (try_combine): Don't update max_scratch.
3663 * flow.c (max_scratch, num_scratch): Delete variables.
3664 (life_analysis_1): Don't initialize max_scratch.
3665 (propagate_block): Don't update max_scratch.
3666 (mark_set_1): Don't increment num_scratch.
3667 * regs.h (max_scratch): Delete declaration.
3669 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3671 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3672 is nonzero. This is temporary!
3674 * sched.c (update_flow_info): Handle death notes made invalid by
3675 instruction splitting. Partially reverts Oct 15, 1998 patch.
3676 * haifa-sched.c (update_flow_info): Likewise.
3678 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3680 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3681 if it has a nonzero DECL_INITIAL.
3683 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3685 * Makefile.in (flow.o): Depend on recog.h.
3687 * cpplib.h (directive_table): Add missing initializiers.
3688 (finclude): Change type of variable `bsize' to size_t.
3690 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3692 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3694 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3695 `int' when comparing against one.
3696 (cpp_file_line_for_message): Mark parameter `pfile' with
3698 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3700 * flow.c: Include recog.h.
3701 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3703 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3704 `f' with ATTRIBUTE_UNUSED.
3705 (reposition_prologue_and_epilogue_notes): Likewise.
3707 * genopinit.c (gen_insn): Cast argument of ctype functions to
3710 * haifa-sched.c: Include recog.h.
3711 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3712 comparing against one.
3714 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3716 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3718 (parse_ent): Likewise.
3719 (parse_input): Likewise.
3721 * optabs.c (init_libfuncs): Likewise.
3723 * protoize.c (find_rightmost_formals_list): Likewise.
3725 * recog.h (const_double_operand): Fix typo in prototype.
3727 * tlink.c (scan_linker_output): Cast the argument of ctype
3728 function to `unsigned char'.
3730 * toplev.c (check_lang_option): Cast the result of `strlen' to
3731 `int' when comparing against one.
3733 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3735 * gcse.c (dump_cuid_table): Correct typo.
3737 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3739 * toplev.c (display_help): Prepend '-m' to target specific
3741 (check_lang_option): Ignore text after end of first word of a
3742 language specific option.
3744 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3746 * reload1.c (reg_used_by_pseudo): New static variable.
3747 (choose_reload_regs): Initialize it.
3748 Use it instead of testing spill_reg_order to determine whether a
3749 pseudo is live in a hard register across the current insn.
3750 Fix a typo in a reference to reload_reg_rtx.
3752 * flow.c (propagate_block): Replace code that computes and uses
3753 regs_sometimes_live with simpler code that just walks the set of
3754 currently live registers.
3756 * Makefile.in (insn-extract.o): Fix dependencies.
3757 * genextract.c (main): Generate includes for insn-config.h and
3759 Delete generation of declarations which are now in recog.h.
3760 * genrecog.c (main): Delete generation of definitions which are
3762 * local-alloc.c (block_alloc): Use extract_insn and the variables
3763 it sets up instead of looking up values by insn_code.
3764 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3765 recog_dup_num): Define here instead of generating the definition in
3767 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3768 recog_operand_mode, recog_constraints, recog_operand_address_p):
3770 (extract_insn): New function.
3771 * recog.h (extract_insn): Declare function.
3772 (which_alternative, recog_n_operands, recog_n_dups,
3773 recog_n_alternatives, recog_operand_mode, recog_constraints,
3774 recog_operand_address_p): Declare variables.
3775 * regclass.c (n_occurrences): New static function.
3776 * reload.c (n_occurrences): Delete function.
3777 (find_reloads): Use extract_insn.
3778 * reload.h (n_occurrences): Delete declaration.
3780 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3782 * reload1.c (reload_as_needed): Fix test for when to call
3783 update_eliminable_offsets.
3785 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3787 Fix consistency problems with reg_equiv_{mem,address};
3788 Improve reload inheritance;
3790 * reload.c (reload_out_reg): New variable.
3791 (loc_mentioned_in_p, remove_address_replacements): New functions.
3792 (remove_replacements): Deleted.
3793 (push_reload): Set reload_out_reg[i].
3794 When merging, also set reload_{in,out}_reg[i], and remove
3795 duplicate address reloads.
3796 (combine_reloads): Copy reload_out_reg[i].
3797 (find_reloads): Do make_memloc substitution also when
3798 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3800 Include *recog_operand_loc in commutativity operand changes.
3801 Generate optional output reloads.
3802 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3803 processing operands. Call make_memloc in reg_equiv_address code.
3804 Set *recog_operand_loc only after processing operands, and only
3805 if replace is true. Return a value.
3806 When changing address reload types for operands that didn't get
3807 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3808 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3809 Don't emit USEs for pseudo SUBREGs when not replacing.
3810 (find_reloads_address): Do make_memloc substitution also when
3811 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3813 (find_reloads_toplev): Likewise.
3814 Call make_memloc in reg_equiv_address code.
3815 (debug_reload_to_stream): Add code to output reload_out_reg.
3816 (make_memloc): Delete local variable i, ifdefed out code, and
3817 references to memlocs and n_memlocs.
3818 (memlocs, n_memlocs): Delete.
3819 (push_secondary_reload): Clear reload_out_reg.
3820 (find_reloads_address_1): Provide memrefloc argument to all calls
3821 to find_reloads_address.
3822 In AUTO_INC code, handle non-directly addressable equivalences properly.
3823 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3824 (find_reloads): Add return type.
3825 (remove_address_replacements, deallocate_reload_reg): Declare.
3826 * reload1.c (num_not_at_initial_offset): No longer static.
3827 (delete_address_reloads, delete_address_reloads_1): Likewise.
3828 (deallocate_reload_reg): New function.
3829 (spill_reg_stored_to): New array.
3830 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3831 (eliminate_regs_in_insn): Move assignments of previous_offset and
3832 max_offset fields, and recalculation of num_not_at_initial_offset
3833 into new static function:
3834 (update_eliminable_offsets) .
3835 (reload_as_needed): Call update_eliminable_offsetss after calling
3837 Call forget_old_reloads_1 with contents of reloaded auto_inc
3838 expressions if the actual addressing can't be changed to match the
3840 (choose_reload_regs): For inheritance, replace
3841 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3842 remove stand-alone reload_reg_used_at_all test.
3843 Use reload_out_reg to determine which reload regs have output reloads.
3844 Treat reload_override_in more similar to inherited reloads.
3845 Handle (subreg (reg... for inheritance.
3846 For flag_expensive_optimizations, add an extra pass to remove
3847 unnecessary reloads from known working inheritance.
3848 Delete obsolete code for pseudos replaced with MEMs.
3849 Handle inheritance from auto_inc expressions.
3850 (emit_reload_insns): If reload_in is a MEM, set OLD to
3852 Don't reload directly from oldequiv; if it's a pseudo with a
3853 stack slot, use reload_in[j].
3854 Check that reload_in_reg[j] is a MEM before replacing reload_in
3855 from reg_reloaded_contents.
3856 Include non-spill registers in reload inheritance processing.
3857 Also try to use reload_out_reg to set spill_reg_store /
3858 reg_last_reload_reg.
3859 In code to set new_spill_reg_store, use single_set to find out if
3860 there is a single set.
3861 Add code that allows to delete optional output reloads.
3862 Add code to allow deletion of output reloads that use no spill reg.
3863 At the end, set reload_override_in to oldequiv.
3864 Also call delete_output_reload if reload_out_reg is equal to old
3866 Add code to call delete_output_reload for stores with no matching load.
3867 Set / use spill_reg_stored_to.
3868 Handle case where secondary output reload uses a temporary, but
3869 actual store isn't found.
3870 When looking for a store of a value not loaded in order to call
3871 delete_output_reload, count_occurences should return 0 for no
3872 loads; but discount inherited input reloadill_reg_stored_to.
3873 Do checks for extra uses of REG. Changed all
3875 Use delete_address_reloads.
3876 (reload): Take return value of find_reloads into account.
3877 If a no-op set needs more than one reload, delete it.
3878 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3879 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3880 for the same operand.
3881 (clear_reload_reg_in_use): Check for other reloads that keep a
3883 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3884 RELOAD_FOR_OPADDR_ADDR.
3885 Take into account when an address address reload is only needed
3886 for the address reload we are considering.
3887 (count_occurrences): Use rtx_equal_p for MEMs.
3888 (inc_for_reload): Return instruction that stores into RELOADREG.
3889 New argument two, IN, and rtx. Changed all callers.
3890 (calculate_needs_all_insns, reload_as_needed):
3891 Don't clear after_call for a CLOBBER.
3892 Keep track of how many hard registers need to be copied from
3893 after_call, and don't clear after_call before we have seen
3894 that much copies, or we see a different instruction.
3896 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3898 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3899 after reload has completed.
3901 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3903 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3904 a macro name and the next token with a single blank if that whitespace
3905 is in a macro buffer and the next token is not '('.
3907 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3909 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3911 (skip_if_group): Ditto.
3912 (skip_to_end_of_comment): Ditto.
3914 (discard_comments): Ditto.
3915 (change_newlines): Ditto.
3917 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3919 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3921 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3923 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3924 (TARGET_OPTIONS): Add --help documentation.
3926 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3928 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3930 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3932 * fixinc/* Moved in from ../contrib directory in preparation
3933 for integrating it into the normal build process. In particular,
3934 fixinc/Makefile.in must be config-ed into the build directory
3935 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3936 ./configure.in will be "in the mail" momentarily.
3938 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3940 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3941 accidently walk into the free list. Comment how that can happen.
3942 (invalidate): Fix indentation.
3944 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3945 Jeffrey A Law (law@cygnus.com)
3947 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3948 reload. Never perform rescans of the insn chain after reload.
3949 (propagate_block): Do not delete insn or create new autoinc addressing
3952 * jump.c (jump_optimize): Unconditionally use the code that was
3953 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3954 * reload1.c (reload): When reloading is finished, delete all
3955 REG_DEAD and REG_UNUSED notes.
3956 (emit_reload_insns): Delete all code that was conditional on
3957 PRESERVE_DEATH_INFO_REGNO_P.
3958 (no_longer_dead_regs): Delete variable.
3959 (reload_cse_delete_death_notes): Delete function.
3960 (reload_cse_no_longer_dead): Delete function.
3961 (reload_cse_regs_1): Delete all code to handle deletion of death
3963 (reload_cse_noop_set_p): Likewise.
3964 (reload_cse_simplify_set): Likewise.
3965 (reload_cse_simplify_operands): Likewise.
3966 (reload_cse_move2add): Likewise.
3967 * reorg.c (used_spill_regs): Delete declaration.
3968 (max_label_num_after_reload): Delete declaration.
3969 (find_dead_or_set_registers): Don't assume that spill regs are
3970 dead at a CODE_LABEL.
3971 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3973 * sched.c (sched_analyze_insn): Likewise.
3974 (update_flow_info): Likewise.
3975 * haifa-sched.c (sched_analyze_insn): Likewise.
3976 (update_flow_info): Likewise.
3977 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3978 * toplev.c (max_label_num_after_reload): Delete variable.
3979 (rest_of_compilation): Don't set max_label_num_after_reload.
3980 Call life_analysis after reload_cse_regs if optimizing.
3981 * config/gmicro/gmicro.h: Delete comment referring to
3982 PRESERVE_DEATH_INFO_REGNO_P.
3983 * config/i386/i386.h: Likewise.
3984 * config/m88k/m88k.h: Likewise.
3985 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3986 * config/sh/sh.h: Likewise.
3988 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3990 * loop.c (strength_reduce): Restore marking bct_p as
3992 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3993 HAVE_decrement_and_branch_on_count.
3994 (small_data_operand): Remove TARGET_ELF condition for marking
3995 parameters ATTRIBUTE_UNUSED.
3997 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3999 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4000 (SELECT_SECTION): Resync with svr4.h.
4002 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4004 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4007 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4009 * c-pragma.c (handle_pragma_token): Test for null tree before
4010 dereferencing TREE_CODE.
4012 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4014 * config/c4x/c4x.c: Convert to use GEN_INT.
4015 (c4x_parallel_process): Rework to handle new repeat loop structure.
4017 * config/c4x/c4x.md: Convert to use GEN_INT.
4018 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4019 (decrement_and_branch_on_count): Likewise.
4021 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4022 loop.c has the desired functionality.
4023 (rc_reg_operand): New prototype.
4025 * config/c4x/t-c4x: Can now build all front ends.
4027 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4029 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4031 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4033 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4034 * config/t-rtems: Do not install assert.h -- use newlib's.
4036 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4038 * combine.c (combine_instructions): When finished, call init_recog.
4039 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4041 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4043 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4045 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4047 * cppalloc.c (memory_full): Mark function prototype with
4050 * demangle.h (collect_exit): Likewise.
4052 * fix-header.c (v_fatal, fatal): Likewise.
4054 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4057 * gcov.c (print_usage): Likewise.
4059 * genattr.c (fatal, fancy_abort): Likewise.
4061 * genattrtab.c (fatal, fancy_abort): Likewise.
4063 * gencodes.c (fatal, fancy_abort): Likewise.
4065 * genconfig.c (fatal, fancy_abort): Likewise.
4067 * genemit.c (fatal, fancy_abort): Likewise.
4069 * genextract.c (fatal, fancy_abort): Likewise.
4071 * genflags.c (fatal, fancy_abort): Likewise.
4073 * genopinit.c (fatal, fancy_abort): Likewise.
4075 * genoutput.c (fatal, fancy_abort): Likewise.
4077 * genpeep.c (fatal, fancy_abort): Likewise.
4079 * genrecog.c (fatal, fancy_abort): Likewise.
4081 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4082 __sjpopnthrow, __throw): Likewise.
4084 * objc/objc-act.c (objc_fatal): Likewise.
4086 * protoize.c (usage, aux_info_corrupted,
4087 declare_source_confusing): Likewise.
4089 * rtl.c (dump_and_abort): Likewise.
4091 * rtl.h (sets_cc0_p): Likewise.
4093 * toplev.c (float_signal, pipe_closed): Likewise.
4095 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4097 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4098 when generating the decision tree for the general case.
4100 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4101 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4103 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4105 * Makefile.in (sched.o): Depend on recog.h.
4107 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4108 (unsigned) when comparing against one.
4109 (find_base_value): Likewise.
4110 (record_base_value): Cast variable `regno' to (unsigned) when
4111 comparing against one. Cast the result of REGNO() macro to
4112 (unsigned) when comparing against one.
4113 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4115 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4116 variable where an unsigned index is needed.
4118 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4119 before comparing against one.
4121 * collect2.c: Add prototypes for functions `error', `fatal' and
4122 `fatal_perror'. Make these functions take variable arguments
4123 instead of faking it with a fixed number of args.
4124 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4127 * combine.c (can_combine_p): Mark parameter `pred' with
4129 (find_split_point): Cast variable `src' to (unsigned
4130 HOST_WIDE_INT) when comparing against one.
4131 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4132 (simplify_logical): Likewise.
4133 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4134 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4135 HOST_WIDE_INT) in shift.
4136 (simplify_and_const_int): Cast result of INTVAL() macro to
4137 `unsigned HOST_WIDE_INT' when comparing against one.
4138 (merge_outer_ops): Cast variable const0 to `unsigned
4139 HOST_WIDE_INT' when comparing against the result of
4140 GET_MODE_MASK() macro.
4141 (simplify_comparison): Likewise for variable `c0'. Cast variable
4142 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4143 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4144 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4145 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4146 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4147 comparing against one.
4148 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4150 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4151 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4152 (output_block_move): Cast `sizeof' expression to (int) when
4153 comparing against one.
4154 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4156 (save_restore_insns): Cast `base_offset' to `long' to match format
4157 specifier in fprintf.
4159 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4160 to `enum machine_mode'.
4162 * flow.c (life_analysis_1): Remove unused variable `insn'.
4164 * gcc.c (translate_options): Move variables `j' and `k' into the
4165 scope in which they are used. Change their types to `size_t'.
4166 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4167 (read_specs): Likewise.
4168 (process_command): Cast `sizeof' to (int) when comparing against one.
4169 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4170 (handle_braces): Cast both sides of `==' expression to `long' to
4171 ensure sign matching.
4172 (main): Cast variable `i' to `int' when comparing against one.
4174 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4175 int to size_t. Cast variable `i' to size_t when comparing against
4178 * genattrtab.c (convert_set_attr_alternative): Remove unused
4179 parameter `insn_code'. All callers changed.
4180 (convert_set_attr): Likewise.
4182 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4183 size_t when comparing against one. Likewise for variable `len'.
4185 * global.c (global_alloc): Cast variable `max_regno' to size_t
4186 when comparing against one. Likewise for variable `max_allocno'.
4188 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4190 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4191 `set' with ATTRIBUTE_UNUSED.
4192 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4195 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4196 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4197 (get_condition): Cast variable `const_val' to `unsigned
4198 HOST_WIDE_INT' when comparing against one. Cast unsigned
4199 expression to HOST_WIDE_INT when comparing against one.
4200 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4201 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4202 `unsigned' when comparing against one.
4204 * protoize.c (is_id_char): Change type of parameter `ch' to
4206 (munge_compile_params): Cast argument of ctype macro to (const
4208 (process_aux_info_file): Cast variable `aux_info_size' to int when
4209 comparing against one.
4210 (forward_to_next_token_char): Cast argument of ctype macro to
4211 `const unsigned char'.
4212 (edit_formals_lists): Likewise.
4213 (find_rightmost_formals_list): Likewise.
4214 (add_local_decl): Likewise.
4215 (add_global_decls): Likewise.
4216 (edit_fn_definition): Likewise.
4217 (do_cleaning): Likewise.
4218 (scan_for_missed_items): Likewise.
4219 (edit_file): Cast variable `orig_size' to (int) when comparing
4221 (main): Cast argument of ctype macro to `const unsigned char'.
4223 * recog.c (const_int_operand): Mark parameter `mode' with
4226 * regclass.c (record_reg_classes): Change type of variable `c' to
4227 `unsigned char'. Cast `char' array index to `unsigned char'.
4229 * reload.c (push_secondary_reload): Cast argument to
4230 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4232 * reload1.c (calculate_needs): Cast `char' array index to
4234 (set_label_offsets): Change type of variable `i' to unsigned int.
4235 Cast result of XVECLEN() macro to unsigned when comparing against
4237 (mark_not_eliminable): Change type of variable `i' to unsigned.
4238 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4239 when comparing against one.
4240 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4241 comparing against one.
4242 (choose_reload_regs): Hide unused label `fail'.
4243 (reload_cse_simplify_operands): Cast `char' array index to
4245 (reload_combine_note_store): Mark parameter `set' with
4246 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4248 (reload_cse_move2add): Remove unused variable `src2'.
4250 * sched.c: Include recog.h.
4251 (sched_note_set): Remove unused parameter `b'. All callers
4253 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4254 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4255 when comparing against one.
4257 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4258 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4259 comparing against one.
4261 * unroll.c (precondition_loop_p): Remove unused parameter
4262 `loop_end'. All callers changed.
4264 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4266 * reload1.c (maybe_fix_stack_asms): New static function.
4269 * reload.h (compute_use_by_pseudos): Declare.
4271 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4272 (something_needs_reloads): Delete variable.
4273 (finish_spills): New function.
4274 (compute_use_by_pseudos): New function.
4276 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4277 Use the reload_insn_chain instead of walking the rtl directly.
4279 (reload): Allocate and free spilled_pseudos.
4280 Ensure that all calls of spill_hard_reg are followed by a call to
4282 Use the insns_need_reload list instead of something_needs_reloads
4283 to find out if reload_as_needed must be called.
4284 Clear unused_insn_chains at the end.
4286 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4288 Delete code to keep track of current basic block.
4289 Walk reload_insn_chain instead of the rtl structure. Build the
4290 insns_need_reload chain.
4291 Remember which insns need reloading/elimination by setting the
4292 appropriate fields in struct insn_chain, not by putting modes on the
4295 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4296 arg INSN. All callers changed.
4297 Delete declaration of struct needs.
4298 Don't set something_needs_reloads.
4299 Record insn needs in the CHAIN argument.
4301 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4303 (reload_as_needed): Lose FIRST arg. All callers changed.
4304 Walk the reload_insn_chain instead of the rtx structure.
4305 Delete code to keep track of current basic block.
4306 Rename one of the NEXT variables to OLD_NEXT.
4308 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4310 (choose_reload_regs): Likewise.
4312 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4315 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4316 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4317 (hard_regs_live, hard_regs_need_restore): Delete variables.
4318 (n_regs_saved): Now static.
4319 (referenced_regs, this_insn_sets): New variables.
4321 (setup_save_areas): Restructure the code a bit.
4323 (restore_referenced_regs): Delete function.
4324 (mark_referenced_regs): New function, similar to the old
4325 restore_referenced_regs, but mark registers in referenced_regs.
4327 (clear_reg_live): Delete function.
4328 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4329 Only mark registers in this_insn_sets.
4331 (save_call_clobbered_regs): Rework this function to walk the
4332 reload_insn_chain instead of using the list of instructions directly.
4333 Delete code to keep track of register lives, compute live regs on the
4334 fly from information in the chain.
4335 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4336 then walk the set it computes and call insert_restore as appropriate.
4338 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4340 Restructure the code a bit. Test hard_regs_saved instead of
4341 hard_regs_need_restore.
4342 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4343 args. All callers changed.
4344 Restructure the code a bit. Use TO_SAVE to determine which regs to
4345 save instead of more complicated test.
4346 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4348 Create a new insn_chain structure for the new insn and place it
4351 * rtl.texi: Update documentation to reflect that reload no longer
4352 puts modes on the insns.
4354 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4356 * function.c (purge_addressof_1): Force the first argument of a
4357 CALL insn to memory.
4359 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4361 * rtl.h: Delete duplicate prototypes. Add some missing
4363 * rtlanal.c: (for_each_rtx): Formatting tweak.
4365 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4367 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4368 to be compatible with TI compiler.
4370 * Makefile.in (USER_H): Add va-c4x.h to definition.
4372 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4374 * function.c (purge_addressof_1): Fix typo in inequality: do
4375 bitfield optimization for equal mode sizes.
4376 * expmed.c (store_bit_field): Don't take subregs of subregs in
4377 the movstrict case. Tidy a potential problem in the multi-word case.
4378 (extract_bit_field): Likewise.
4380 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4382 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4384 Compute max_uid_for_flow by calling get_max_uid after the scan.
4385 (find_basic_blocks_1): Don't emit NOPs here.
4387 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4389 * alias.c (base_alias_check): Accept new args for the modes of the
4390 two references. Use them to determine if an AND can overlap. Update
4392 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4393 to determine if an AND can overlap.
4395 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4397 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4398 check. Add comment to document problems with TARGET_SUN_FPA version
4400 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4402 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4404 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4406 * c-common.c (print_char_table): Add missing initializers.
4407 (scan_char_table): Likewise.
4408 (time_char_table): Likewise.
4410 * c-decl.c (c_decode_option): Mark parameter `argc' with
4412 (declare_parm_level): Mark parameter `definition_flag' with
4415 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4416 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4419 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4421 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4423 (expand_call): Cast result of MIN() to (unsigned int) when
4424 comparing against an unsigned value.
4426 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4428 (make_definition): Remove unused parameter `op'. All callers
4430 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4431 comparing against the result of pointer arithmetic.
4433 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4434 when comparing against one.
4436 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4437 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4439 (output_die): Move variable `i' into the scope in which it is
4440 used. Change its type to `unsigned'.
4441 (output_die): Cast the result of `strlen' to (int) when passing it
4442 to ASM_OUTPUT_ASCII().
4443 (output_pubnames): Likewise.
4444 (output_line_info): Likewise.
4446 * emit-rtl.c (global_rtl): Add missing initializers.
4448 * explow.c (promote_mode): Mark parameter `for_call' with
4451 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4452 `unsigned HOST_WIDE_INT' when comparing against one.
4453 (synth_mult): Change type of variable `cost' to int.
4454 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4456 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4457 when comparing against one.
4458 (get_inner_reference): Change variable `alignment' to unsigned.
4459 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4460 int) when comparing against one.
4461 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4463 * fold-const.c (div_and_round_double): Cast BASE to
4464 (HOST_WIDE_INT) when comparing against one.
4466 * gencheck.c: Include gansidecl.h.
4467 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4469 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4470 `tcode' with ATTRIBUTE_UNUSED.
4472 * real.c (edivm): Cast constant value to (unsigned long) in
4473 expression compared against an unsigned value.
4475 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4476 comparing against one.
4477 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4478 when comparing against one.
4480 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4481 (unsigned int) when comparing against one. Likewise for
4483 (smallest_mode_for_size): Likewise.
4484 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4485 (restore_storage_status): Likewise.
4487 * toplev.c (debug_args): Add missing initializer.
4488 (f_options): Spelling correction. Add missing initializers.
4489 (documented_lang_options): Likewise.
4490 (debug_end_source_file): Mark parameter `lineno' with
4493 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4494 `decl' and `type' with ATTRIBUTE_UNUSED.
4496 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4497 when comparing against one.
4498 (assemble_variable): Mark parameter `top_level' with
4500 (assemble_external_libcall): Mark parameter `fun' with
4502 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4505 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4507 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4508 Replace use of r5 with use of r19.
4510 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4512 * config/v850/v850.c (compute_register_save_size): Allow for the
4513 fact that helper functions save all registers, not just those used
4516 Replace constant 31 with macro LINK_POINTER_REGNUM.
4518 * config/v850/v850.md: Use 'indirect_operand' rather than
4519 'memory_operand' for bit test/set/clear patterns.
4521 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4523 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4524 * varasm.c (assemble_start_function et al): Don't call
4525 ASM_GLOBALIZE_LABEL for weak symbols.
4527 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4529 * cse.c (equiv_constant): Check for NULL return from
4530 gen_lowpart_if_possible().
4532 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4534 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4536 * collect2.c (main): Pass -EL/-EB through to the compiler.
4538 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4540 * expr.c (push_block): Handle targets where the stack grows
4541 to higher addresses, but args grow to lower addresses and
4542 ACCUMULATE_OUTGOING_ARGS is not defined.
4544 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4546 * config/v850/v850.c (print_operand): Extend meaning
4547 of 'c' operands to support .vtinherit.
4549 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4551 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4552 Added ATTRIBUTE_UNUSED to unused function arguments.
4553 (rc_reg_operand): New predicate.
4554 (c4x_rptb_insert): New function.
4555 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4556 (c4x_optimization_options): New function.
4558 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4559 (decrement_and_branch_on_count): New pattern.
4560 (rptb_top): Modified pattern to work with BCT optimization.
4562 * config/c4x/c4x.h (RC_REG): New register class.
4563 (rc_reg_operand): Define prototype.
4564 (IS_RC_REG): New macro.
4565 (IS_RC_OR_PSEUDO_REG): New macro.
4566 (IS_RC_OR_PSEUDO_REGNO): New macro.
4567 (OPTIMIZATION_OPTIONS): Define.
4569 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4571 * collect2.c (extract_init_priority): No priority is 65535.
4573 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4575 * Makefile.in (build_tooldir): new variable, same as old
4576 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4577 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4578 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4580 * configure.in (gxx_include_dir): set default based on unlibsubdir
4581 * Makefile.in (tooldir): ditto
4582 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4583 gxx_include_dir, includedir and tooldir
4584 (protoize.o, unprotoize.o): ditto
4586 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4588 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4590 * config/arm/thumb.c (thumb_override_options): Add warning about
4591 PIC code not being supported just yet.
4593 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4595 * flow.c: Update comment.
4596 (notice_stack_pointer_modification): New static function.
4597 (record_volatile_insns): Use it.
4598 (mark_regs_live_at_end): Mark the stack pointer as alive
4599 at the end of the function if current_function_sp_is_unchanging
4601 (life_analysis_1): Set current_function_sp_is_unchanging.
4602 * function.c: Define it.
4603 (init_function_start): Initialize it.
4604 * output.h: Declare it.
4605 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4606 the stack pointer as alive at the end of the function if
4607 current_function_sp_is_unchanging is set.
4608 * i386.c (ix86_epilogue): Optimize the restoring
4609 of the stack pointer.
4611 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4613 * version.c: Bump for snapshot.
4615 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4617 * c-pragma.c (handle_pragma_token): If passed a token instead
4618 of a tree, use that as the pack value.
4620 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4622 * flow.c (find_basic_blocks_1): Fix prototype.
4624 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4626 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4627 (struct tree_decl): New fields no_check_memory_usage.
4628 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4629 (init_attributes): Register it as a new attribute.
4630 (decl_attributes): Set flags on functions given that attribute.
4631 * c-decl.c (duplicate_decls): Merge new attribute.
4632 * expr.h (current_function_check_memory_usage): Declare new var.
4633 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4634 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4635 current_function_check_memory_usage.
4636 * function.h: Add field to struct function.
4637 * function.c (current_function_check_memory_usage): Define it.
4638 (push_function_context_to, pop_function_context_from): Save and
4640 (expand_function_start): Set it, based on global flag and function
4643 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4644 check non-automatic variables, to permit detection of writes to
4645 read-only locations in embedded systems without memory management.
4646 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4647 when emitting chkr_set_right_libfunc call, even if the argument is
4648 BLKmode or variable-sized; don't abort.
4650 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4651 symbols in Pmode, not VOIDmode.
4653 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4655 * cppexp.c: When forcing unsigned comparisons, cast both sides
4658 * cpphash.h: Move static declaration of hashtab[]...
4659 * cpphash.c: ...here.
4661 * cpplib.c: Cast difference of two pointers to size_t before
4662 comparing it to size_t. Cast signed to unsigned
4663 before comparing to size_t. (FIXME: struct argdata should use
4664 unsigned buffer sizes.)
4665 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4666 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4667 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4668 size_t before comparison.
4670 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4672 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4673 (find_basic_blocks_1): Similarly.
4674 * output.h (find_basic_blocks): Fix prototype.
4675 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4676 find_basic_blocks anymore.
4678 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4680 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4681 (sbitmap_free, sbitmap_vector_free): New macros.
4682 * output.h (rtl_dump_file): Declare.
4684 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4686 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4688 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4690 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4692 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4693 (divide): Remove unused variable `tmp'.
4694 (si_to_float): Cast numeric constant to (SItype) before comparing
4697 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4699 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4700 * gcc.c (add_preprocessor_option): Correct typo when allocating
4701 memory, sizeof() argument had one too many `*'.
4702 (add_assembler_option): Likewise.
4703 (add_linker_option): Likewise.
4704 * gcov.c (output_data): Likewise.
4705 * local-alloc.c (memref_used_between_p): Likewise.
4706 (update_equiv_regs): Likewise.
4707 * loop.c (strength_reduce): Likewise.
4708 * reg-stack.c (record_asm_reg_life): Likewise.
4709 (subst_asm_stack_reg): Likewise.
4710 * reorg.c (dbr_schedule): Likewise.
4712 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4714 * flow.c (life_analysis_1): Break out some functions.
4715 (find_basic_blocks_1): Likewise. Also move some variables out and
4717 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4718 new static var nonlocal_label_list with it.
4719 (active_eh_region, nested_eh_region, label_value_list,
4720 nonlocal_label_list): New static variables.
4721 (make_edges, delete_unreachable_blocks, delete_block): New static
4722 functions, broken out of find_basic_blocks_1.
4723 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4724 noop_move_p): New static functions, broken out of life_analysis_1.
4726 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4728 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4729 Take extra care for op0 now possibly being a subreg.
4730 (extract_bit_field): Likewise.
4731 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4732 the reg to memory if there is no equal sized integral mode.
4733 * stor-layout.c (int_mode_for_mode): New function.
4734 * machmode.h: Prototype it.
4736 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4738 * global.c (build_insn_chain): Verify no real insns exist past the
4739 end of the last basic block, then exit the loop.
4741 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4743 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4745 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4747 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4749 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4751 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4753 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4755 * flow.c (find_basic_blocks): Correctly determine when a call
4756 is within an exception region.
4758 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4760 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4762 * cpplib.h: Protect from multiple inclusions.
4763 * cpplib.c: Fix minor formatting problems.
4765 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4767 * jump.c (jump_optimize): Revert accidental patch.
4769 * Makefile.in (cpplib.o): Use unlibsubdir.
4771 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4773 * loop.c (get_condition): Allow combine when either compare is
4776 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4778 * version.c: Bump for snapshot.
4780 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4782 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4783 (init_lex): Initialize ridpointers[RID_BYREF].
4784 * c-lex.h (enum rid): Add RID_BYREF.
4785 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4786 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4787 (encode_type_qualifiers): Similarly
4788 * c-gperf.h: Rebuilt.
4790 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4792 * c-common.c (type_for_mode): Only return TItype nodes when
4793 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4794 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4795 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4796 (init_decl_processing): Only create TItype nodes when
4797 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4798 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4799 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4801 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4803 * stmt.c (n_occurrences): New static function.
4804 (expand_asm_operands): Verify that all constrains match in the
4805 number of alternatives.
4806 Verify that '+' or '=' are at the beginning of an output constraint.
4807 Don't allow '&' for input operands.
4808 Verify that '%' isn't written for the last operand.
4809 * reload.c (find_reloads): Abort if an asm is found with invalid
4810 constraints; all possible problems ought to be checked for earlier.
4812 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4814 * flags.h (flag_branch_on_count_reg): Always declare
4815 * toplev.c (flag_branch_on_count_reg): Likewise.
4816 * toplev.c: Fix typos.
4818 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4821 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4823 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4825 (find_basic_blocks_1): Add a nop to the end of a basic block when
4826 a trailing call insn does not have abnormal control flow.
4827 * gcse.c (pre_transpout): New variable.
4828 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4829 (compute_pre_transpout): Calculate it.
4830 (compute_pre_ppinout): Use it to eliminate impossible placements
4831 due to abnormal control flow through calls.
4832 (compute_pre_data): Call compute_pre_transpout.
4834 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4836 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4838 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4840 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4841 and matching define_insns): Tack on a `use' of the table label, so
4842 flow analysis will recognize a tablejump.
4844 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4846 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4847 always end basic blocks for abnormal edge reasons.
4849 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4851 * config/i386/i386.h: Remove definition of
4852 HANDLE_PRAGMA_PACK_PUSH_POP.
4854 * config/i386/go32.h: Add definition of
4855 HANDLE_PRAGMA_PACK_PUSH_POP.
4857 * config/i386/win32.h: Add definition of
4858 HANDLE_PRAGMA_PACK_PUSH_POP.
4860 * config/i386/cygwin32.h: Add definition of
4861 HANDLE_PRAGMA_PACK_PUSH_POP.
4863 * c-pragma.c (insert_pack_attributes): Do not insert
4864 attributes unless #pragma pack(push,<n>) is in effect.
4866 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4868 * expr.c (emit_group_store): Handle a PARALLEL destination.
4870 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4872 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4873 the new insns before the argument regs are loaded.
4875 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4877 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4878 (c-parse.gperf): Update comments describing invocation flags.
4879 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4881 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4883 * reload1.c (reload): Call free before clobbering the memory
4884 locations or constants pointers.
4886 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4888 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4889 for efficiency by checking whether we need to modify the current
4890 stack permission at all.
4891 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4892 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4893 __enable_execute_stack libcall here too if
4894 TRANSFER_FROM_TRAMPOLINE is defined.
4895 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4898 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4900 * Makefile.in (DRIVER_DEFINES): Remove last change.
4902 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4904 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4905 insns we're going to copy.
4906 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4908 * loop.c (count_one_set): Add prototype.
4910 * caller-save.c (restore_referenced_regs): Lose mode argument.
4911 (insert_save): Lose mode argument.
4912 (insert_restore): Lose mode argument.
4913 (insert_one_insn): Lose mode argument.
4914 (save_call_clobbered_regs): Lose mode argument.
4915 (setup_save_areas): Take no argument and return void. All callers
4917 Don't verify validity of memory addresses.
4918 * reload.h (setup_save_ares): Adjust prototype.
4919 (save_call_clobbered_regs): Likewise.
4920 * reload1.c (delete_caller_save_insns): New function.
4921 (caller_save_spill_class): Delete variable.
4922 (caller_save_group_size): Delete variable.
4923 (reload): Call setup_save_areas and save_call_clobbered_regs
4924 in the main loop, before calling calculate_needs_all_insns.
4925 Don't call save_call_clobbered_regs after the loop.
4926 Call delete_caller_save_insns at the end of an iteration if
4928 Delete code to manage caller_save_spill_class.
4929 Emit the final note before setting reload_first_uid.
4930 Simplify test that determines whether reload_as_needed gets run.
4931 (calculate_needs): Delete code to manage caller_save_spill_class.
4933 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4935 * collect2.c (main): Initialize ld_file_name.
4937 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4939 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4940 check for flag_function_sections.
4942 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4944 * cse.c (insert_regs): Fix bug in Sep 24 change.
4946 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4948 * flags.h (flag_dump_unnumbered): Declare.
4949 * toplev.c (flag_dump_unnumbered): Don't declare.
4950 * print-rtl.c (flags.h): Include.
4951 (print_rtl_single): Add return value.
4952 * rtl.h (print_rtl_single): Update declaration.
4953 * flow.c (flag_dump_unnumbered): Don't declare.
4954 (print_rtl_with_bb): Use return value of print_rtl_single.
4956 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4958 * loop.c (count_one_set): New static function, broken out of
4960 (count_loop_regs_set): Call it.
4961 * global.c (mark_reg_store): Handle clobbers here by not calling
4963 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4964 is in fact a clobber.
4965 * integrate.c (process_reg_param): New function, broken out of
4966 expand_inline_function.
4967 (expand_inline_function): Call it.
4970 * i386.md (addsidi3_1): Delete unused variable temp.
4971 (addsidi3_2): Likewise.
4972 (clstrstrsi): Delete unused variable addr1.
4974 * rtl.h: Don't declare any functions also declared in recog.h.
4976 * Makefile.in (stupid.o): Update dependencies.
4977 (global.o): Likewise.
4979 * global.c: Include reload.h
4980 (reg_becomes_live): New function.
4981 (reg_dies): New function.
4982 (build_insn_chain): New function.
4983 (global_alloc): Call build_insn_chain before calling reload.
4985 * reload.h (struct needs): New structure definition.
4986 (struct insn_chain): Likewise.
4987 (reload_insn_chain): Declare variable.
4988 (new_insn_chain): Declare function.
4991 * reload1.c (reload_startobj): New variable.
4992 (reload_insn_chain): New variable.
4993 (unused_insn_chains): New variable.
4994 (new_insn_chain): New function.
4995 (init_reload): Initialize reload_startobj, not reload_firstobj.
4996 (reload): Initialize reload_firstobj.
4997 Before returning, free everything on the reload_obstack.
4999 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5000 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5001 current_chain): New variables.
5002 (reg_where_born): Delete variable.
5003 (REG_WHERE_BORN): New macro.
5004 (find_clobbered_regs): New function.
5005 (stupid_life_analysis): Don't allocate/free reg_where_born.
5006 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5007 reg_where_dead_chain.
5008 Use REG_WHERE_BORN instead of reg_where_born.
5009 While processing the insns, build the reload_insn_chain with
5010 information about register lifetimes.
5011 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5012 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5014 Compute and information about birth and death of pseudo registers in
5015 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5016 Delete code to set elements of reg_where_born.
5018 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5020 * tree.def (GOTO_EXPR): Modified documentation.
5021 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5024 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5026 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5027 loop_final_value, loop_comparison_code): No longer static.
5028 (unroll_loop): Delete loop_start_value update.
5029 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5030 loop_final_value, loop_comparison_code): Extern.
5031 (loop_start_value): Delete extern.
5032 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5033 loop_comparison_value, loop_comparison_code): Delete.
5034 (loop_optimize): Remove initialization for deleted variables.
5035 (strength_reduce): Delete analyze_loop_iterations call. Only call
5036 insert_bct if flag_branch_count_on_reg set.
5037 (analyze_loop_iterations): Delete.
5038 (insert_bct): Remove iteration count calculation. Move checks for
5039 viable BCT optimization to here. Obtain iteration count from
5040 loop_iterations and correct for unrolling. Check for enough
5041 iteration to be beneficial. Comment out runtime iteration count
5043 (insert_bct): Print iteration count in dump file. Remove
5044 loop_var_mode and use word_mode directly.
5046 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5047 * rs6000.c (rs6000_override_options): Use it.
5048 (optimization_options): Enable use of flag_branch_on_count_reg.
5049 * rs6000.md (define_function_unit): Describe 604e.
5051 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5053 * loop.c (move_movables): Corrected threshold calculation for
5054 moved_once registers.
5056 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5058 * loop.c (combine_givs_p): Fix test for identical givs.
5060 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5062 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5063 call abort if the function is already defined.
5065 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5067 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5068 truncation is not a no-op.
5070 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5072 * version.c: Bump for snapshot.
5074 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5076 * version.c: Bump for snapshot.
5078 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5080 * expmed.c (expand_divmod): Don't widen for computing remainder
5081 if we seem to have a divmod pattern for needed mode.
5083 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5085 * cpplib.c (macroexpand): Correct off-by-one error in handling
5088 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5090 * combine.c (expand_field_assignment): Don't do bitwise operations
5091 on MODE_FLOAT; pun to MODE_INT if possible.
5093 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5094 scott snyder <snyder@d0sgif.fnal.gov>
5096 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5097 linker. Recognize mangled names in quotes.
5099 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5101 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5102 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5103 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5104 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5106 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5108 * function.c (purge_addressof_1): If trying to take a sub-word
5109 integral piece of a floating point mode, put it on the stack.
5111 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5113 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5115 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5117 * PROJECTS: Remove template friends.
5119 * collect2.c (sort_ids): Remove unused variable.
5121 * tm.texi (MATH_LIBRARY): Document.
5122 (NEED_MATH_LIBRARY): Remove.
5124 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5125 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5127 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5129 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5130 last_end to 0x7fffffff.
5132 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5134 * function.c (purge_addressof_1): Do not perform endianness
5135 corrections on bitpos, who we call will do it for us.
5137 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5139 * h8300.c (WORD_REG_USED): Fix typo.
5140 (initial_offset): Use WORD_REG_USED.
5142 * h8300.c (handle_pragma): Fix typo.
5144 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5146 * caller-save.c (insert_save_restore): Break this function up
5147 into new functions insert_restore, insert_save and insert_one_insn.
5148 All callers changed.
5149 (insert_restore): New function, mostly broken out of
5150 insert_save_restore.
5151 (insert_save): Likewise.
5152 (insert_one_insn): Likewise.
5153 (restore_referenced_regs): New argument BLOCK. All callers changed.
5154 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5155 in this function, do it in insert_one_insn instead.
5157 * reload1.c (reload): Break out some more pieces into separate
5159 (dump_needs): New function, broken out of reload.
5160 (set_initial_elim_offsets): Likewise.
5161 (init_elim_table): Likewise.
5162 (update_eliminables): Likewise.
5164 * global.c (global_alloc): Delete code to manage the scratch_list.
5165 * local-alloc.c (qty_scratch_rtx): Delete.
5166 (scratch_block): Delete.
5167 (scratch_list): Delete.
5168 (scratch_list_length): Delete.
5169 (scratch_index): Delete.
5170 (alloc_qty_for_scratch): Delete.
5171 (local-alloc): Update initialization of max_qty.
5172 Delete code to manage the scratch list.
5173 Delete code to allocate/initialize qty_scratch_rtx.
5174 (block_alloc): Don't allocate quantities for scratches.
5175 Delete code to manage the scratch list.
5176 * regs.h (scratch_list): Delete declaration.
5177 (scratch_block): Delete declaration.
5178 (scratch_list_length): Delete declaration.
5179 * reload1.c (reload): Delete code to manage the scratch list.
5180 (spill_hard_reg): Likewise.
5181 (mark_scratch_live): Delete.
5183 * recog.c (alter_subreg): Delete declaration.
5185 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5187 * Makefile.in (cccp.o): Fix typo in last patch.
5189 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5191 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5192 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5194 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5196 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5197 NULL_RTX as an argument.
5199 * Makefile.in (unlibsubdir): Define.
5200 (DRIVER_DEFINES): Use unlibsubdir.
5201 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5202 (stmp-fixinc): Similarly.
5204 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5206 * regmove.c (regmove_optimize): Add variable old_max_uid.
5207 At the end of the function, update basic_block_end.
5209 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5211 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5212 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5215 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5217 * config/arm/arm.c: Improve interworking support.
5219 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5221 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5222 copied from reload_out[r] .
5224 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5226 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5227 with more than three size ranges.
5229 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5231 * rtl.c (mode_name): Add a null string at the end of the array.
5232 (mode_wider_mode): Change type to unsigned char.
5233 (mode_mask_array): New variable.
5234 (init_rtl): Update for mode_wider_mode type change.
5236 * rtl.h (mode_wider_mode): Change type to unsigned char.
5237 (mode_mask_array): Declare.
5238 (GET_MODE_MASK): Use mode_mask_array.
5240 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5242 * calls.c (expand_call) : Encapsulate code into
5243 copy_blkmode_from_reg.
5244 * expr.c (copy_blkmode_from_reg): New function.
5245 * expr.h (copy_blkmode_from_reg): New function.
5246 * integrate.c (function_cannot_inline_p): We can inline
5248 (expand_inline_function): Use copy_blkmode_from_reg
5249 if needed. Avoid creating BLKmode REGs.
5250 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5253 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5255 * config/v850/v850.c: Add function prototypes.
5256 Add support for v850 special data areas.
5258 * config/v850/v850.h: Add support for v850 special data areas.
5260 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5261 HANDLE_PRAGMA_PACK_PUSH_POP.
5262 (push_alignment): New function: Cache an alignment requested
5263 by a #pragma pack(push,<n>).
5264 (pop_alignment): New function: Pop an alignment from the
5266 (insert_pack_attributes): New function: Generate __packed__
5267 and __aligned__ attributes for new decls whilst a #pragma pack
5269 (add_weak): New function: Cache a #pragma weak directive.
5270 (handle_pragma_token): Document calling conventions. Add
5271 support for #pragma pack(push,<n>) and #pragma pack (pop).
5273 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5274 are defined enable HANDLE_PRAGMA_PACK.
5275 Move 'struct weak_syms' here (from varasm.c).
5276 Add pragma states for push and pop pragmas.
5278 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5281 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5282 HANDLE_GENERIC_PRAGMAS.
5284 * varasm.c: Move definition of 'struct weak_syms' into
5286 (handle_pragma_weak): Deleted.
5288 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5290 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5292 * c-decl.c (start_function): Add invocation of
5293 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5295 * tm.texi: Remove description of non-existant macro
5296 SET_DEFAULT_SECTION_NAME.
5298 (HANDLE_SYSV_PRAGMA): Document.
5299 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5301 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5303 * config.sub: Recognize i[34567]86-pc-udk as new target.
5304 * configure.in: Likewise.
5305 * config/i386/t-udk: New file.
5306 * config/i386/udk.h: New file.
5308 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5310 * reorg.c (check_annul_list_true_false): Remove unused variables.
5311 (steal_delay_list_from_target): Add missing "used_annul" variable.
5312 (try_merge_delay_insns): Close out half formed comment.
5314 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5316 * cpplib.c (macroexpand): If arg->raw_before or
5317 arg->raw_after, remove any no-reexpansion escape at the
5318 beginning of the pasted token. Correct handling of whitespace
5319 markers and no-reexpand markers at the end if arg->raw_after.
5321 * toplev.c (documented_lang_options): Recognize -include,
5322 -imacros, -iwithprefix, -iwithprefixbefore.
5323 * cpplib.c (cpp_start_read): Process -imacros and -include
5324 switches at the same time and in command-line order, after
5325 initializing the dependency-output code. Emit properly nested
5326 #line directives for them. Emit a #line for the main file
5327 before processing these switches, and don't do it again
5330 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5332 * function.c (purge_addressof_1): Use bitfield manipulation
5333 routines to handle mem mode < reg mode.
5335 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5337 * reorg.c (try_merge_delay_insns): Account for resources referenced
5338 in each instruction in INSN's delay list before trying to eliminate
5339 useless instructions. Similarly when looking at a trial insn's delay
5342 * reorg.c (check_annul_list_true_false): New function.
5343 (steal_delay_list_from_{target,fallthrough}): Call it and also
5344 refine tests for when we may annul if already filled a slot.
5345 (fill_slots_from_thread): Likewise.
5346 (delete_from_delay_slot): Return newly-created thread.
5347 (try_merge_delay_isns): Use its new return value.
5349 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5351 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5352 used to compute a giv or as some other non-counting use.
5354 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5356 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5357 * local-alloc.c (find_free_reg): Use it.
5358 * global.c (find_reg): Likewise.
5359 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5361 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5362 * caller-save.c (init_caller_save): Use it.
5363 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5365 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5367 * configure.in: Add --enable-cpplib option which uses cpplib
5368 for cpp, but doesn't link cpplib into cc1. Make help text
5369 capitalization consistent.
5370 * configure: Rebuilt.
5372 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5374 * function.c (gen_mem_addressof): If the address REG is
5375 REG_USERVAR_P make the new REG be so also.
5376 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5377 in an attempt to clarify slightly.
5379 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5381 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5382 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5384 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5386 * toplev.c: Fix last patch.
5388 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5390 * loop.c (get_condition): Fix typo in May 9 change.
5392 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5394 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5396 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5398 * toplev.c (documented_lang_options): Spelling corrections.
5400 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5402 * configure.in: new flags --with-ld and --with-as, equivalent
5403 to setting LD and AS environment variables. Test whether
5404 specified arguments are GNU commands, and report them with
5405 checking messages. Use the specified AS for configure
5408 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5410 * gcc.c (find_a_file): when looking for `as' and `ld', return
5411 the DEFAULT program if it exists
5412 * collect2.c (main): use DEFAULT_LINKER if it exists
5414 * gcc.c (find_a_file): the test for existence of a full
5415 pathname was reversed
5417 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5419 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5420 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5422 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5424 * tree.h (TYPE_BINFO): Document.
5426 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5428 * i386-coff.h (dbxcoff.h): Added.
5430 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5432 * toplev.c: fix bad patch around flag_data_sections.
5434 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5436 * reload1.c (reload): Use reload_address_index_reg_class and
5437 reload_address_base_reg_class when setting
5438 caller_save_spill_class. (Patch generated by Jim Wilson:
5441 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5443 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5444 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5445 * expr.c (store_field): Add alias_set parameter. Set the
5446 MEM_ALIAS_SET accordingly, if the target is a MEM.
5447 (expand_assignment): Use it.
5448 (store_constructor_field): Pass 0.
5449 (expand_expr): Likewise.
5451 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5453 * flags.h: Add flag_data_sections.
5454 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5455 (compile_file): Error if flag_data_sections not supported.
5456 * varasm.c (assemble_variable): Handle flag_data_sections.
5457 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5458 * config/mips/elf.h: Likewise.
5459 * config/mips/elf64.h: Likewise.
5460 * invoke.texi: Describe -fdata-sections.
5462 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5464 * invoke.texi (-ffloat-store): Clarify that this option
5465 does not affect intermediate results -- only variables.
5467 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5469 * cpp.texi: Update for Fortran usage from Craig.
5471 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5473 * rs6000.c (function_arg_boundary): Revert accidental change on
5476 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5478 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5479 (output_mi_thunk): Declare.
5481 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5482 (output_function_profiler): Use r12 for temp, instead of r11 so
5483 that we preserve the static chain register.
5485 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5487 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5489 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5491 * sh.c (gen_shl_sext): Fix case 5.
5493 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5495 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5497 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5499 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5500 accessing variables until they are initialized via va_arg().
5502 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5504 * reload1.c (reload_combine): Initialize set before using.
5506 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5508 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5511 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5513 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5514 operand3 with mask before using it. Patch provided by Jim Wilson.
5516 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5518 * config/sparc/sparc.c (function_value): Perform the equivalent of
5519 PROMOTE_MODE for ARCH64.
5520 (eligible_for_epilogue_delay): Allow DImode operations in delay
5521 slot of a return for ARCH64.
5523 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5525 * sh.md (sqrtsf2): Fix mode of sqrt.
5527 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5529 * reload1.c (choose_reload_regs): Also try inheritance when
5530 reload_in is a stack slot of a pseudo, even if we already got a
5533 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5535 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5536 (reload_cse_regs): New function body: call reload_cse_regs_1,
5537 reload_combine, reload_cse_move2add.
5538 When doing expensive_optimizations, call reload_cse_regs_1 a
5539 second time after reload_cse_move2add.
5540 (reload_combine, reload_combine_note_store): New functions.
5541 (reload_combine_note_use): New function.
5542 (reload_cse_move2add, move2add_note_store): New functions.
5544 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5546 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5547 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5549 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5550 more than 3 such reloads.
5552 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5553 RELOAD_FOR_X_ADDR_ADDR reload.
5555 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5557 * expr.c (store_constructor): When initializing a field that is smaller
5558 than a word, at the start of a word, try to widen it to a full word.
5560 * cse.c (cse_insn): When we are about to change a register,
5561 remove any invalid references to it.
5563 (remove_invalid_subreg_refs): New function.
5564 (mention_regs): Special treatment for SUBREGs.
5565 (insert_regs): Don't strip SUBREG for call to mention_regs.
5566 Check if reg_tick needs to be bumped up before that call.
5567 (lookup_as_function): Try to match known word_mode constants when
5568 looking for a norrower constant.
5569 (canon_hash): Special treatment for SUBREGs.
5571 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5573 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5574 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5575 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5576 and offsets in actual stack trampoline code so they match the
5577 commentary and actually work.
5579 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5581 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5583 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5584 tmake_file. Set extra_parts to needed crt objects.
5585 * configure: Rebuilt.
5586 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5587 (TARGET_DEFAULT): Set if default is v9 or ultra.
5588 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5589 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5590 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5591 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5592 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5593 (TARGET_VERSION): Define.
5594 (MULTILIB_DEFAULT): Define.
5595 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5596 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5597 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5599 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5600 * config/sparc/sparc.c (sparc_override_options): If arch and
5601 pointer size disagree, emit diagnostic and fix it up. If
5602 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5603 V8PLUS in 64-bit mode.
5604 * config/sparc/t-linux64: New file.
5605 * config/sparc/t-sol2-64: New file.
5606 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5607 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5608 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5609 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5610 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5611 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5613 (STARTFILE_SPEC): Set approriately based upon those.
5614 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5615 disposition of DEFAULT_ARCH32_P.
5616 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5617 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5618 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5619 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5620 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5622 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5624 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5626 * rtl.h (init_virtual_regs): New function.
5627 * emit-rtl.c (init_virtual_regs): Define.
5628 (insn_emit): Use it.
5629 * integrate.c (save_for_inline_copying): Likewise.
5631 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5633 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5634 (enum reg_class): Add NONARG_LO_REGS support.
5635 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5636 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5637 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5638 completes. Re-enable HImode REG+OFFSET addresses.
5639 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5641 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5643 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5645 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5646 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5647 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5649 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5651 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5652 jumps as a single entity, taking into account the size of the
5655 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5657 * tree.def (SWITCH_EXPR): New tree node definition.
5659 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5661 * version.c: Bump for snapshot.
5663 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5665 * version.c: Bump for snapshot.
5667 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5669 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5672 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5674 * Revert this patch.
5675 * reload.c (find_reloads): Do not replace a pseudo with
5676 (MEM (reg_equiv_addr)) in the initializing insn for the
5679 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5681 * final.c (final_scan_insn): Disable tracking CC across branches.
5683 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5685 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5686 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5687 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5688 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5689 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5691 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5693 * toplev.c (rest_of_compilation): Skip compiling anything with
5694 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5696 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5698 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5699 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5700 use in_libcall_block.
5701 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5702 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5705 Mon Sep 21 14:02:23 1998
5707 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5708 typo in no-fancy-math-387 description.
5710 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5712 * version.c: Bump for snapshot.
5714 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5716 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5718 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5720 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5721 documented in install.texi.
5722 (TARGET_OPTIONS) Likewise.
5724 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5726 * version.c: Bump for snapshot.
5728 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5730 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5731 * cccp.c (main): Likewise.
5733 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5734 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5737 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5739 * Makefile.in (LIBS): Link in libiberty.a.
5740 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5742 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5744 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5745 it to update bb boundaries. Update caller.
5746 * function.c (reposition_prologue_and_epilogue_notes): Update
5747 bb boundaries wrt the moved note.
5749 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5751 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5753 * configure: Regenerate.
5755 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5757 * alpha.c (alpha_sr_alias_set): New variable.
5758 (override_options): Set it.
5759 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5760 (mode_mask_operand): Fix signed-unsigned comparision warning.
5761 (alpha_expand_block_move): Likewise.
5762 (print_operand): Likewise.
5763 (get_aligned_mem): Use change_address.
5764 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5765 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5766 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5767 (alpha_align_insns): Remade from old alphaev5_align_insns
5768 to handle multiple processors.
5769 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5770 * output.h (label_to_alignment): Prototype.
5772 * tree.c (new_alias_set): New function.
5773 * tree.h (new_alias_set): Declare it.
5774 * c-common.c (c_get_alias_set): Use it.
5776 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5778 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5779 to an ABS expr, convert an unsigned input to signed.
5781 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5783 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5785 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5787 * configure.in: Add support for c4x targets.
5788 * configure: Rebuilt.
5790 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5792 * combine.c (distribute_notes): If an insn is a cc0 user, only
5793 delete it if we can also delete the cc0 setter.
5795 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5797 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5798 (invert_truthvalue): Enable truthvalue inversion for
5799 floating-point operands if -ffast-math.
5801 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5803 * configure.in: Disable collect2 for nextstep. Instead use
5805 * configure: Rebuilt.
5806 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5807 (ENDFILE_SPEC): Define.
5808 (OBJECT_FORMAT_MACHO): Define.
5809 (EH_FRAME_SECTION_ASM_OP): Define.
5810 * crtstuff.c: Handle MACHO.
5812 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5814 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5816 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5818 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5819 (_fpadd_parts): Get sign right for 0.
5821 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5823 * ginclude/varargs.h: Add support for C4x target.
5824 * ginclude/stdargs.h: Likewise.
5826 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5828 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5829 (alpha_emit_set_long_const): Rewrite to be callable from reload
5831 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5832 * alpha.md (movdi): Likewise.
5834 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5836 * arm.c (add_constant): New parameter address_only, change caller.
5837 Set it non-zero if taking the address of an item in the pool.
5838 (arm_reorg): Handle cases where we need the address of an item in
5841 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5843 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5844 memory addresses that are not in standard canonical form.
5846 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5848 * README.C4X: New file with information about the c4x ports.
5849 * ginclude/va-c4x.h: New file for c4x varargs support.
5850 * config/c4x: New directory with c4x port files.
5852 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5854 * reload.c (find_reloads): Do not replace a pseudo with
5855 (MEM (reg_equiv_addr)) in the initializing insn for the
5858 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5860 * toplev.c (rest_of_compilation): Set bct_p on second call to
5862 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5864 (strength_reduce): Only call analyze_loop_iterations and
5865 insert_bct if bct_p set.
5866 (check_dbra_loop): Fix typo.
5867 (insert_bct): Use word_mode instead of SImode.
5868 (instrument_loop_bct): Likewise. Do not delete iteration count
5869 condition code generation insn. Initialize iteration count before
5871 * rtl.h (loop_optimize): Update prototype.
5873 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5874 not doubleword aligned.
5876 * rs6000.c (optimization_options): New function.
5877 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5878 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5879 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5880 first; cr1 can be used for FP record condition insns.
5882 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5884 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5887 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5890 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5892 (block_move_call): New function: Call a library routine to copy a
5894 (m32r_expand_block_move): New function: Expand a "movstrsi"
5895 pattern into a sequence of insns.
5896 (m32r_output_block_move): New function: Expand a
5897 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5898 (m32r_block_immediate_operand): New function: Return true if the
5899 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5901 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5903 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5905 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5907 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5909 * regmove.c (copy_src_to_dest): Check that modes match.
5911 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5913 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5915 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5917 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5918 narrower than FLOAT_REGS.
5920 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5922 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5924 * Makefile.in (old_gxx_include_dir): removed
5926 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5928 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5931 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5932 (sh_handle_pragma): Change function arguments to match new
5933 specification for HANDLE_PRAGMA.
5935 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5937 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5939 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5940 When generating output, initialize missing struct member to zero.
5942 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5944 * regmove.c (copy_src_to_dest): Don't copy if that requires
5945 (a) new register(s).
5947 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5949 * global.c (reg_allocno): Now static.
5950 * reload1.c (reg_allocno): Delete declaration.
5951 (order_regs_for_reload): Take no arguments. Don't treat regs
5952 allocated by global differently than those allocated by local-alloc.
5954 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5956 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5957 condition, fix format strings.
5958 (output_function_epilogue): Likewise.
5960 * m68k/m68k.c: Don't include <stdlib.h> directly.
5962 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5964 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5965 mem_first_set, mem_last_set; because 0 can be a CUID.
5966 (oprs_unchanged_p): Use new definition.
5967 (record_last_reg_set_info): Likewise.
5968 (record_last_mem_set_info): Likewise.
5969 (compute_hash_table): Likewise.
5971 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5973 * rs6000.c (output_epilogue): Handle Chill.
5975 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5976 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5978 * combine.c (make_extraction): If no mode is specified for
5979 an operand of insv, extv, or extzv, default it to word_mode.
5980 (simplify_comparison): Similarly.
5981 * expmed.c (store_bit_field): Similarly.
5982 (extract_bit_field): Similarly.
5983 * function.c (fixup_var_regs_1): Similarly.
5984 * recog.c (validate_replace_rtx_1): Similarly.
5985 * mips.md (extv, extzv, insv expanders): Default modes for most
5986 operands. Handle TARGET_64BIT.
5987 (movdi_uld, movdi_usd): New patterns.
5989 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5990 equivalent memory location unless we have been provided a scratch
5991 register. Similarly do not call find_replacement unless a
5992 scratch register has been provided.
5994 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5996 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5999 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6001 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6002 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6003 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6004 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6005 * c-decl.c (init_decl_processing): Update accordingly.
6006 * expr.c (expand_builtin): Likewise.
6008 * rtl.h (global_rtl): Add cfa entry.
6009 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6010 (LAST_VIRTUAL_REGISTER): Update.
6011 * emit-rtl.c (global_rtl): Add cfa entry.
6012 (init_emit): Initialize it.
6013 * function.c (cfa_offset): New.
6014 (instantiate_virtual_regs): Initialize it.
6015 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6016 (expand_function_end): Call expand_eh_return.
6017 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6019 * except.c (current_function_eh_stub_label): Kill.
6020 (current_function_eh_old_stub_label): Likwise; update all references.
6021 (expand_builtin_set_return_addr_reg): Kill.
6022 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6023 (expand_builtin_set_eh_regs): Kill.
6024 (eh_regs): Produce a third reg for the actual handler address.
6025 (eh_return_context, eh_return_stack_adjust): New.
6026 (eh_return_handler, eh_return_stub_label): New.
6027 (init_eh_for_function): Initialize them.
6028 (expand_builtin_eh_return, expand_eh_return): New.
6029 * except.h: Update prototypes.
6030 * flow.c (find_basic_blocks_1): Update references to the stub label.
6031 * function.h (struct function): Kill stub label elements.
6033 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6034 register number is one that would be in the previous window.
6035 Provide a dummy definition for non-windowed targets.
6036 (get_reg_addr): New function.
6037 (get_reg, put_reg, copy_reg): Use it.
6038 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6039 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6041 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6042 (alpha_init_expanders): Initialize it.
6043 (alpha_expand_epilogue): Use it.
6044 * alpha.h: Declare it.
6045 * alpha.md (eh_epilogue): New.
6047 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6048 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6050 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6052 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6055 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6057 * except.h (struct eh_entry): Add false_label field.
6058 (end_catch_handler): Add prototype.
6059 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6060 (start_catch_handler): When using old style exceptions, issue
6061 runtime typematch code before continuing with the handler.
6062 (end_catch_handler): New function, generates label after handler
6063 if needed by older style exceptions.
6064 (expand_start_all_catch): No need to check for new style exceptions.
6065 (output_exception_table_entry): Only output the first handler label
6066 for old style exceptions.
6067 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6068 mechanism into one function, if a runtime matcher is provided.
6070 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6072 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6074 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6076 * integrate.c (copy_decl_list): Fix typo.
6078 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6080 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6083 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6085 * version.c: Bump for snapshot.
6087 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6089 * version.c: Bump for snapshot.
6091 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6093 * version.c: Bump for snapshot.
6095 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6097 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6099 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6101 * configure.in: remove usage of `!' to negate the result of a
6102 command; some common shells do not support it
6104 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6106 * configure.in: in sparc9-sol2 config, use 'if test' not
6108 * configure: Rebuilt.
6110 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6112 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6113 (CPP_CPU_DEFAULT_SPEC): Likewise.
6114 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6115 for arch64 libfuncs.
6117 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6120 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6122 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6124 * collect2.c: Don't declare `sys_siglist' here.
6125 (my_strsignal): Prototype and define new function. Use it in
6126 place of `sys_siglist' hacks.
6128 * mips_tfile.c: Likewise.
6130 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6131 (GCC_NEED_DECLARATIONS): Likewise.
6133 * system.h (strsignal): Prototype it, if necessary.
6134 (sys_siglist): Declare it, if necessary.
6136 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6138 * loop.c (move_movables): While removing insn sequences, preserve
6139 the next pointer of the most recently deleted insn when we skip
6142 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6144 * objc/config-lang.in: Do not output the name of the selected
6145 thread file when building the front-end. The Makefile for the
6146 runtime library will do this.
6148 * objc/Make-lang.in: Do not build the runtime library or install
6149 the Objective C header files. The Makefile for the runtime
6150 library will do this.
6152 * objc/Makefile.in (all.indirect): Only build the front-end.
6153 (compiler): Rename to `frontend'.
6154 (obj-runtime): Remove target.
6155 (copy-headers): Likewise.
6156 (clean): No need to remove `libobjc.a' any longer.
6158 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6160 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6161 supported with -mcpu=xxx.
6163 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6165 * flow.c (mark_set_1): Recognize multi-register structure return
6166 values in CALL insns.
6167 (mark_used_regs): Likewise.
6168 (count_reg_sets_1): Likewise.
6169 (count_reg_references): Likewise.
6170 * rtlanal.c (note_stores): Likewise.
6171 (reg_overlap_mentioned_p): Likewise.
6172 * haifa-sched.c (check_live_1): Likewise.
6173 (update_live_1): Likewise.
6174 (sched_analyze_1): Likewise.
6175 (sched_note_set): Likewise.
6176 (birthing_insn_p): Likewise.
6177 (attach_deaths): Likewise.
6179 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6182 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6184 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6186 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6188 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6190 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6192 * configure.in: Add check for GAS subsection -1 support.
6193 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6194 * configure config.in: Rebuilt.
6195 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6196 SImode is subsection -1 works, else use DImode.
6197 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6198 subsection -1 works.
6199 * config/sparc/sparc.c (sparc_output_addr_vec,
6200 sparc_output_addr_diff_vec): Use them if defined.
6202 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6204 * tree.h (DECL_ORIGIN): New macro.
6205 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6206 (copy_decl_list): Use it.
6207 (integrate_parm_decls): Likewise.
6208 (integrate_decl_tree): Likewise.
6209 * dwarf2out.c (decl_ultimate_origin): Simplify.
6210 * dwarfout.c (decl_ultimate_origin): Likewise.
6211 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6212 (pushdecl): Likewise.
6214 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6216 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6218 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6220 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6222 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6224 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6225 empty or has a single entry.
6227 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6228 before calling reg_to_stack.
6230 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6232 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6233 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6235 * c-tree.h (warn_long_long): Declare it.
6237 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6239 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6240 initialized float-int union if the value is a NaN.
6242 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6244 * c-lex.c (real_yylex): Don't warn about long long constants if
6245 we're allowing long long
6247 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6249 * except.h (current_function_eh_stub_label): Declare.
6250 (current_function_eh_old_stub_label): Declare.
6251 * function.h (struct function): New members eh_stub_label and
6253 * except.c (current_function_eh_stub_label): New variable.
6254 (current_function_eh_old_stub_label): New variable.
6255 (init_eh_for_function): Clear them.
6256 (save_eh_status): Save them.
6257 (restore_eh_status): Restore them.
6258 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6259 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6260 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6261 make an edge from the block that contains it to the block starting
6262 with the label if this label is one of the eh stub labels.
6263 If eh stub labels exist, show they are reachable from the last block
6266 * reload1.c (reload): Break out several subroutines and make some
6268 (calculate_needs_all_insns): New function, broken out of reload.
6269 (calculate_needs): Likewise.
6270 (find_reload_regs): Likewise.
6271 (find_group): Likewise.
6272 (find_tworeg_group): Likewise.
6273 (something_needs_reloads): New global variable, formerly in reload.
6274 (something_needs_elimination): Likewise.
6275 (caller_save_spill_class): Likewise.
6276 (caller_save_group_size): Likewise.
6277 (max_needs): Likewise.
6278 (group_size): Likewise.
6279 (max_groups): Likewise.
6280 (max_nongroups): Likewise.
6281 (group_mode): Likewise.
6282 (max_needs_insn): Likewise.
6283 (max_groups_insn): Likewise.
6284 (max_nongroups_insn): Likewise.
6285 (failure): Likewise.
6287 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6289 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6291 * loop.c (load_mems): Copy rtx for output mem.
6293 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6295 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6296 mips1 or mips2 either.
6298 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6300 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6302 (pa_adjust_insn_length): Update to work with new marking scheme
6303 for jumps inside switch tables.
6304 * pa.md (switch_jump): Remove pattern.
6305 (jump): Handle jumps inside jump tables.
6307 * Makefile.in (profile.o): Depend on insn-config.h
6309 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6311 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6313 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6315 Add preliminary native sparcv9 Solaris support.
6316 * configure.in: Recognize sparv9-*-solaris2*
6317 * configure: rebuilt
6318 * config.sub: Recognize sparcv9 just like sparc64.
6319 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6320 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6321 32-bit and 64-bit Solaris systems.
6322 * config/sparc/t-sol2: Assemble those with cpp.
6323 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6324 (*TF*_LIBCALL): If ARCH64 use V9 names.
6325 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6327 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6329 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6330 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6332 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6334 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6335 to Pmode if CASE_VECTOR_MODE is something else.
6337 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6339 * prefix.c (update_path): Correctly handle cases where PATH is
6340 a substring of the builtin prefix, but specifies a different
6343 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6345 * expr.c: Corrected comment about what MOVE_RATIO does.
6346 * config/alpha/alpha.h: Ditto.
6347 * config/1750a/1750a.h: Ditto.
6348 * config/clipper/clipper.h: Ditto.
6349 * config/i386/i386.h: Ditto.
6351 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6353 * configure.in (m68k-next-nextstep3*): Use collect2.
6354 Similarly for x86 NeXT configurations.
6355 * configure: Rebuilt.
6357 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6359 * configure.in: Don't assume srcdir is .../gcc
6360 * configure: Rebuilt.
6362 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6364 * global.c: Update comments.
6365 (global_alloc): Assign allocation-numbers
6366 even for registers allocated by local_alloc in case
6367 they are later spilled and retry_global_alloc is called.
6368 (mark_reg_store, mark_reg_clobber,
6369 mark_reg_conflicts, mark_reg_death): Always record a
6370 conflict with a pseudo register even if it has been
6371 assigned to a hard register.
6372 (dump_conflicts): Don't list pseudo registers already assigned to
6373 a hard register as needing to be allocated, but do list their
6375 * local-alloc.c: Update comment.
6377 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6379 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6380 * configure: Rebuilt.
6382 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6384 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6386 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6387 for all targets that set -msoft-float.
6389 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6391 * toplev.c (print_switch_values): Make static to match prototype.
6393 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6395 * configure.in: If we are unable to find the "gnatbind" program,
6396 then do not configure the ada subdir.
6397 * configure: Rebuilt.
6399 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6401 * version.c: Bump for snapshot.
6403 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6405 * version.c: Bump for snapshot.
6407 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6409 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6410 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6412 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6414 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6416 * genextract.c: Have insn-extract.c include toplev.h.
6418 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6420 * toplev.c: Include expr.h.
6421 (really_sorry, fancy_abort): Remove prototypes.
6422 (set_target_switch): Add argument in prototype.
6423 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6424 (v_really_sorry): Likewise.
6425 (print_version, print_single_switch, print_switch_values): Make
6426 static and add prototype arguments.
6427 (decl_printable_name): Add prototype arguments.
6428 (lang_expand_expr_t): New typedef.
6429 (lang_expand_expr): Declare as a lang_expand_expr_t.
6430 (incomplete_decl_finalize_hook): Add prototype argument.
6431 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6432 (botch): Likewise for variable `s'.
6433 (rest_of_type_compilation): Mark variables `type' and `toplev'
6434 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6435 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6436 (display_help): Make variable `i' an `unsigned long'.
6437 (main): Remove unused parameter `envp'.
6438 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6439 Cast -1 when comparing it with a `size_t'.
6441 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6442 prototype with ATTRIBUTE_NORETURN.
6443 (fatal_insn_not_found, fatal_insn, really_sorry,
6444 push_float_handler, pop_float_handler): Add prototypes.
6445 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6446 (do_abort, botch): Add prototypes.
6448 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6450 * final.c (final): If a label is reached only from a single jump,
6451 call NOTICE_UPDATE_CC on the jump and its predecessor before
6452 emitting the insn after the label.
6454 * i386.h: Add AMD K6 support.
6455 Change TARGET_* macros to use table lookup.
6456 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6457 (ADJUST_COST): Change definition to call function in i386.c.
6458 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6459 * i386.c: Add AMD K6 support.
6460 Add constants for feature tests used by TARGET_* macros.
6461 (split_di): If before reload, call gen_lowpart and gen_highpart.
6462 (x86_adjust_cost): New function.
6463 (put_jump_code): New function.
6464 (print_operand): New codes 'D' and 'd'.
6465 * i386.md: New insn types. New insn attribute "memory".
6466 Redefine scheduling parameters to use new types and add AMD K6
6467 support. Explicitly set type of most insns.
6468 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6469 Pro and K6 prefer movl $1,reg to incl reg.
6470 (adddi3, subdi3): Set cc_status.
6471 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6472 to int; x86 can't have more than 2^31 DImode shifts per file.
6473 (setcc): Combine all setcc patterns. Allow writing memory.
6474 Combine all jump patterns using match_operator.
6475 (*bzero): Name pattern. Emit mutliple stos instructions when that
6476 is faster than rep stos.
6477 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6480 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6482 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6485 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6487 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6488 not whatever we're generating now.
6490 * alpha.c (set_frame_related_p, FRP): New.
6491 (alpha_expand_prologue): Mark frame related insns.
6492 (alpha_expand_epilogue): Likewise, but with a null FRP.
6493 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6494 * alpha.md (exception_receiver): New.
6495 * alpha/crtbegin.asm (.eh_frame): New beginning.
6496 (__do_frame_setup, __do_frame_takedown): New.
6497 * alpha/crtend.asm (.eh_frame): New ending.
6498 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6499 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6500 (ASM_FILE_START): Don't emit .file for dwarf2.
6502 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6503 * rtl.c (reg_note_name): Likewise.
6504 * rtl.texi (REG_NOTES): Likewise.
6505 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6508 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6510 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6511 * i386.md (movsf, movdf, movxf): Validate memory address returned
6512 from force_const_mem. Kill useless REG_EQUAL setting code.
6514 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6516 * m68k.md (zero_extendsidi2): Fix typo.
6518 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6520 * configure.in: Removed references to the removed file
6521 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6522 * arm*-*-netbsd* and ns32k-*-netbsd*.
6523 * config/i386/xm-netbsd.h: Removed unnecessary file.
6524 * config/m68k/xm-netbsd.h: Likewise.
6525 * config/sparc/xm-netbsd.h: Likewise.
6526 * config/mips/xm-netbsd.h: Likewise.
6528 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6530 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6531 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6533 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6534 for exact section attributions.
6536 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6538 * i386/crtdll.h (CPP_PREDEFINES): Define.
6540 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6542 * m68k.md (5200 movqi): Do not allow byte sized memory references
6544 * m68k.c (output_move_qimode): Do not use byte sized operations on
6547 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6548 explicit rules for building. Similarly for alloca, vfprintf,
6549 choose-temp and mkstemp, getopt, getopt1, and obstack.
6550 (INCLUDES): Add $(srcdir)/../include.
6551 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6552 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6554 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6556 * gcc.c (do_spec_1): [case 'o'] Account for
6557 lang_specific_extra_outfiles.
6558 (main): Correctly clear all slots in outfiles for
6559 lang_specific_extra_outfiles. Set input_file_number before
6560 calling lang_specific_pre_link.
6562 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6564 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6566 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6568 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6570 (sparc_output_deferred_case_vectors): If no work to do, return.
6571 Fix thinko in Sept 1 change.
6573 1998-09-03 SL Baur <steve@altair.xemacs.org>
6575 * Makefile.in: add semicolon in BISON definition for portability.
6577 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6579 * config/nextstep.c (handle_pragma): Correct name of third
6582 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6584 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6585 * config/m32r/m32r.h: Make register 17 be fixed.
6586 * config/m32r/m32r.c: Use SImode for cc operations.
6588 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6590 * invoke.texi (Warning Options): Add -Wnon-template-friend
6593 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6595 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6597 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6599 * rs6000.md (movsf): Disable explicit secondary-reload-like
6600 functionality if TARGET_POWERPC64.
6601 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6604 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6606 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6607 and term.h from fixinc.wrap.
6609 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6611 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6612 safe to include both string.h and strings.h together.
6613 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6614 which headers to search for function declarations. Continue to
6615 prefer string.h over strings.h when both are not acceptable.
6617 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6619 * configure.in: Call GCC_HEADER_STRING.
6621 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6622 to include. Continue to prefer string.h over strings.h when both
6625 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6627 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6628 not assume top 32-bits of symbolic addresses are zero if
6631 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6633 * ginclude/va-alpha.h: Protect entire second portion of the
6634 file against double inclusion.
6636 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6638 Added support for the Boehm's garbage collector.
6639 * configure.in: Handle --enable-objc-gc.
6640 * configure: Rebuilt.
6641 * Makefile.in (CHECK_TARGETS): Add check-objc.
6642 (check-objc): New rule.
6643 * objc/Make-lang.in: Build a different Objective-C library that
6644 runs with the Boehm's collector.
6645 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6646 * objc/encoding.c: Correctly compute the size of compound types in
6647 the presence of bitfields. Skip the variable name of the type if
6648 any. Added support for long long.
6649 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6650 (_F_GCINVISIBLE): New mask.
6651 * objc/gc.c: New file. Compute the type memory mask associated with
6652 a class based on the runtime information.
6653 * objc/misc.c: Added the hooks that use the Boehm's collector
6654 allocation functions.
6655 * objc/objc-act.c (build_class_template): Generate a new class
6656 member (gc_object_type) to hold the class' type memory mask.
6657 (build_shared_structure_initializer): Initialize the new member to
6659 (encode_complete_bitfield): New function. Generate the new
6661 (encode_field_decl): Generate the new encoding only for the GNU
6663 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6665 (class_get_gc_object_type): New function to mark a pointer instance
6666 variable as a weak pointer.
6667 * objc/objc-features.texi: New file.
6668 * objc/objc.h (gc_object_type): New class member.
6669 * objc/objects.c (class_create_instance): Create a typed memory
6670 object when compiled with Boehm's collector support.
6671 * objc/sendmsg.c (__objc_init_install_dtable): Call
6672 __objc_send_initialize instead of setting the initialize flag.
6673 (__objc_send_initialize): Call __objc_generate_gc_type_description
6674 to generate the class type memory mask. Rewrite the code that
6675 sends the +initialize so that it is called only once (bug report
6676 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6677 * testsuite/objc: New testsuite for Objective-C type encoding.
6678 * testsuite/lib/objc-torture.exp: New file.
6679 * testsuite/lib/objc.exp: New file.
6681 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6683 * jump.c (jump_optimize): In if/then/else transformations, add
6684 another call to modified_between_p for the jump insn.
6686 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6688 * fix-header.c (symlink): Treat like readlink.
6690 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6692 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6695 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6697 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6698 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6699 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6701 * config/nextstep.c (handle_pragma): Take three arguments, as per
6702 the new HANDLE_PRAGMA macro specification.
6703 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6704 per the new HANDLE_PRAGMA macro specification.
6705 * config/i960/i960.c (process_pragma): Take three arguments, as
6706 per the new HANDLE_PRAGMA macro specification.
6708 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6710 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6711 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6712 if unknown pragmas are encountered.
6713 (handle_sysv_pragma): Interpret return code from
6714 handle_pragma_token (). Return success/failure indication rather
6715 than next unprocessed character.
6716 (pragma_getc): New function: retrieves characters from the
6717 input stream. Defined when HANDLE_PRAGMA is enabled.
6718 (pragma_ungetc): New function: replaces characters back into the
6719 input stream. Defined when HANDLE_PRAGMA is enabled.
6721 * c-pragma.c (handle_pragma_token): Return success/failure status
6724 * c-pragma.h: Change prototype of handle_pragma_token().
6726 * varasm.c: (handle_pragma_weak): Only create this function if
6727 HANDLE_PRAGMA_WEAK is defined.
6729 * c-common,c (decl_attributes): If defined call the expression
6730 contained within the INSERT_ATTRIBUTES macro before adding
6731 attributes to a decl.
6733 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6734 HANDLE_PRAGMA, which takes three arguments.
6735 (INSERT_ATTRIBUTES): Document this new macro.
6737 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6738 new INSERT_ATTRIBUTES macro.
6740 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6742 * config/sparc/sparc.md (movdf): Only generate special RTL for
6743 LABEL_REFs when PIC.
6744 (move_label_di): Remove
6745 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6746 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6747 references when PIC.
6748 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6749 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6750 output an .xword for all 64-bit cases.
6752 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6754 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6755 alignment, use FUNCTION_BOUNDARY instead.
6756 (sparc_output_deferred_case_vectors): Likewise.
6758 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6760 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6761 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6763 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6765 * alpha/va_list.h: New file.
6766 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6768 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6770 * NEWS: Add SCO Openserver and Unixware 7 notes.
6774 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6776 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6777 (record_constant_1): Handle RANGE_EXPR.
6779 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6781 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6782 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6783 and NOTE_INSN_RANGE_END specially.
6784 (reemit_notes): Likewise.
6786 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6788 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6789 (ultrasparc_sched_init): Remove unneeded &.
6791 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6793 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6794 for m68020-60, to prevent the use of fintrz.
6796 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6798 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6800 * Makefile.in: Likewise.
6801 * configure: Regenerated.
6803 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6805 * configure.in (gxx_include_dir): Changed to
6806 '${prefix}/include/g++'-${libstdcxx_interface}.
6807 * configure: Rebuilt.
6809 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6811 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6813 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6814 *sequences* *below* which scalar moves will be used.
6816 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6818 * collect2.c (mktemp): Delete unused declaration.
6820 * config/xm-netbsd.h: Remove unnecessary file.
6821 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6822 file anymore, it is not needed.
6824 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6826 * convert.c (convert_to_integer): Issue an error on conversions to
6829 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6831 * Makefile.in: Add lang_tree_files and gencheck.h.
6832 * configure.in: Generate them.
6833 * gencheck.c: Include gencheck.h.
6835 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6837 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6838 movdi_lo_sum_pic and movdi_high_pic and make visible.
6839 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6840 emit these when Pmode is not SImode.
6841 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6843 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6845 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6846 .linkonce directive after the first time.
6848 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6850 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6851 the clobbered operand overlaps with an input.
6852 (bne0_di): Similarly.
6854 * Makefile.in (INSTALL): Remove "--no-header" argument.
6856 * NEWS: Various updates.
6858 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6860 * config/sparc/sparc.c (arith_operand, const64_operand,
6861 const64_high_operand, arith_double_4096_operand): Mark mode as
6863 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6865 (sparc_emit_set_const64): Remove unused variable i.
6866 (sparc_splitdi_legitimate): Likewise for addr_part.
6867 (ultra_code_from_mask): Likewise for mask.
6868 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6869 reverse return values so it matches usage and comments.
6870 (ultra_flush_pipeline): Likewise.
6871 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6872 this_type, and allow loads and stores of differing FP modes as
6873 they do not create a conflict.
6874 (ultra_find_type): Initialize fpmode to SFmode, fix
6875 parenthesization thinkos in large conditional.
6876 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6877 Init free_slot_mask after ultra_cur_hist is reset, not before.
6878 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6879 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6880 use ultra_flush_pipeline instead, then re-init group pointer.
6881 Fix statement with no effect. If no progress made in, and no
6882 instructions scheduled at all, advance to new pipeline cycle else
6883 we get into an endless loop.
6884 (ultrasparc_adjust_cost): Remove previous arg.
6885 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6887 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6889 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6890 code. Use reg_overlap_mentioned_p to detect when source and
6891 destination overlap.
6892 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6894 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6896 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6897 COMPARISON_VAL, into invariant_p.
6899 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6901 * regmove.c (regclass_compatible_p): New function.
6902 (regmove_optimize): Use it.
6904 Use NREGS parameter insted of calling max_reg_num.
6906 (fixup_match_1): Don't use code = MINUS when later tieing with
6907 a hard register is likely.
6909 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6911 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6912 COMPARISON_VAL was normalized.
6914 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6916 * loop.c (check_dbra_loop): The loop ending comparison value
6917 must be an invariant or we can not reverse the loop.
6919 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6920 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6922 (load_mems_and_recount_loop_regs_set): Likewise.
6924 * i386.c (print_operand): Remove obsolete 'c' docs.
6926 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6928 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6929 * frame.c (init_object_mutex): New function.
6930 (init_object_mutex_once): Likewise.
6931 (find_fde): Call it.
6932 (__register_frame_info): Likewise.
6933 (__register_frame_info_table): Likewise.
6934 (__deregister_frame_info): Likewise.
6936 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6938 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6940 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6942 * loop.c (check_dbra_loop): Enable code for reversal
6943 of some loops without a known constant loop end.
6945 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6947 * haifa-sched.c (last_clock_var): New.
6948 (schedule_block): Initialize it.
6949 (schedule_insn): Use it to fill insn modes with issue information.
6951 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6952 Tag trapb and next insn with TImode.
6953 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6954 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6955 Invoke alphaev5_align_insns as appropriate.
6956 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6957 (MD_SCHED_VARIABLE_ISSUE): New.
6958 * alpha.md (attr type): Add multi.
6959 (define_asm_attributes): New.
6960 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6961 (arg_home): Likewise.
6962 (fnop, unop, realign): New.
6964 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6966 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6967 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6969 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6970 (rs6000-ibm-aix4.[12]*): Likewise.
6971 * configure: Regnerate.
6973 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6975 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6976 already contains the return address.
6978 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6980 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6981 word sized hunks when loading unaligned args into registers.
6983 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6984 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6986 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6988 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6990 * loop.c (check_dbra_loop): Add some code that would allow reversal
6991 of some loops without a known constant loop end if it were enabled.
6993 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6995 * mips.md (lshrsi3_internal2+2): Fix type-o.
6997 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6999 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7000 correctly with regards to stdio.h.
7002 * calls.c: Remove stdarg.h/varargs.h.
7005 * combine.c: Likewise.
7006 * cpperror.c: Likewise.
7007 * cpplib.c: Likewise.
7008 * cpplib.h: Likewise.
7009 * doprint.c: Likewise.
7010 * emit-rtl.c: Likewise.
7011 * final.c: Likewise.
7012 * fix-header.c: Likewise.
7014 * genattr.c: Likewise.
7015 * genattrtab.c: Likewise.
7016 * gencodes.c: Likewise.
7017 * genconfig.c: Likewise.
7018 * genemit.c: Likewise.
7019 * genextract.c: Likewise.
7020 * genflags.c: Likewise.
7021 * genopinit.c: Likewise.
7022 * genoutput.c: Likewise.
7023 * genpeep.c: Likewise.
7024 * genrecog.c: Likewise.
7025 * mips-tfile.c: Likewise.
7026 * prefix.c: Likewise.
7027 * protoize.c: Likewise.
7028 * regmove.c: Likewise.
7029 * toplev.c: Likewise.
7032 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7034 * config/sparc/sparc.c (sparc_override_options): If not
7035 TARGET_FPU, turn off TARGET_VIS.
7036 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7037 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7038 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7039 (movdi_insn_sp64): Add VIS fzero alternative.
7040 (clear_sf, clear_df): New VIS patterns.
7041 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7043 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7045 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7047 * loop.c (n_times_set, n_times_used, may_not_optimize,
7048 reg_single_usage): Convert to varrays. All uses changed.
7049 (insert_loop_mem): Return a value.
7050 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7051 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7054 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7057 * configure.in: Do not set thread_file to "irix" since no such
7060 * sparc.md (float abs/neg splits): Check reload_completed before
7061 calling alter_subreg.
7063 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7065 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7067 * config/sparc/sparc.h: Declare it.
7068 * config/sparc/sparc.md (float abs/neg splits): Use it.
7069 (all other splits): Handle SUBREGs properly where necessary.
7070 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7072 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7074 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7075 an insn on the unfilled_slots_list that has no delay slots.
7076 (fill_eager_delay_slots): Similarly.
7078 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7080 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7081 as an ordinary operand.
7083 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7085 * tree.c (valid_machine_attribute): Don't apply attributes to both
7088 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7090 * reload.c (operands_match_p): Handle rtvecs.
7092 * i386.c (legitimate_pic_address_disp_p): New.
7093 (legitimate_address_p): Use it.
7094 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7095 Handle constant pool symbols just like statics.
7096 (emit_pic_move): Use Pmode not SImode for clarity.
7097 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7098 [UNSPEC]: New, handling what we killed above.
7099 [PLUS]: Detect and abort on invalid symbol arithmetic.
7100 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7102 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7104 * alias.c: Include output.h.
7105 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7106 different if we're in a varargs function.
7107 * Makefile.in (alias.o): Depend on output.h
7109 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7111 * sh.h (GIV_SORT_CRITERION): Delete.
7113 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7115 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7116 * stupid.c (stupid_life_analysis): Ditto.
7117 * reload1.c (reload): Ditto.
7119 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7121 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7122 arith_double_4096_operand, arith_double_add_operand): New
7124 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7125 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7126 them to transform add/sub 4096 into add/sub -4096.
7128 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7130 * loop.c (scan_loop): Allocate some slop to handle pseudos
7131 generated by move_movables.
7132 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7135 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7137 * tree.def (DECL_RESULT): Correct documentation.
7139 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7141 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7142 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7143 conflicts will all RELOAD_FOR_OUTPUT reloads.
7145 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7146 loads the function result, substitute with a USE.
7148 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7150 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7151 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7152 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7153 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7154 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7155 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7157 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7158 'o' to 'm' for GPR variant constraints.
7160 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7162 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7164 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7166 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7167 when the source and destination overlap.
7169 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7170 clash with global type.
7172 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7174 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7176 * c-common.c (combine_strings): Also set TREE_READONLY.
7177 Change warn_write_strings to flag_const_strings.
7178 * c-decl.c, c-tree.h: Likewise.
7180 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7182 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7183 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7184 sequence, use SET/IOR instead so CSE can see it.
7185 * config/sparc/sparc.md (movhi_const64_special,
7186 movsi_const64_special): New patterns necessitated by that change.
7187 (movhi_high): Remove.
7188 (movhi_lo_sum): Change to match an IOR.
7189 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7190 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7191 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7192 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7193 registers are involved.
7194 (snesi_zero_extend split): Remove reload_completed test.
7195 (unnamed plus and minus zero_extend sidi splits): Add it.
7197 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7199 * extend.texi: Remove description of extension to explicit
7200 instantiation that is now endorsed by standard C++.
7202 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7204 * config/arc/arc.c (arc_initialize_pic): Remove.
7205 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7206 nothing on any platform and is invoked by no-one, it does not even
7207 appear in the documentation.
7208 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7209 * config/sparc/sparc.c (initialize_pic): Likewise.
7210 (find_addr_reg): Remove this as well, no longer referenced after
7213 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7215 * recog.c (validate_replace_rtx_group): New function.
7216 * recog.h (validate_replace_rtx_group): Declare it.
7217 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7218 the entire group of substitutions.
7220 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7222 * loop.c (load_mems): Fix initializers.
7224 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7226 * config/sparc/sparc.md (TFmode splits): Handle destination
7227 registers being referenced in the address correctly.
7229 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7230 TREE_UNSIGNED, when bitsize of type's mode is larger than
7231 HOST_BITS_PER_WIDE_INT.
7233 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7235 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7236 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7237 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7239 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7242 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7244 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7245 * h8300.h (TINY_DATA_NAME_P): Likewise.
7246 (STRIP_NAME_ENCODING): Handle '&'.
7248 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7249 register (it could be accessed via an outer SUBREG).
7250 (REG_OK_FOR_BASE_P): Likewwise.
7251 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7253 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7256 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7258 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7260 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7261 must be offsettable so the splits can be made.
7263 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7265 * config/i386/winnt.c: Include system.h, not stdio.h to get
7266 sys/param.h pulled in before rtl.h in case the system defines MIN
7269 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7271 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7273 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7275 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7277 * cpplib.c (cpp_define): Handle macros with parameters.
7279 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7281 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7282 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7283 and DImode 64-bit. Use llong for minimal-toc SFmode and
7284 SYMBOL_REF / LABEL_REF 64-bit.
7285 (output_function_profiler): Use llong for profiler label and ld to
7286 load 64-bit label address.
7288 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7290 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7293 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7295 * version.c: Bump for snapshot.
7297 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7299 * version.c: Bump for snapshot.
7301 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7303 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7305 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7307 * tm.texi (Misc): Fix typo "teh".
7309 * tm.texi (PIC): Fix typo "PPIC".
7311 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7312 effect when -O2 and higher.
7313 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7315 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7317 * regclass.c: Changed register set documentation to be consistent
7320 * final.c (final_start_function) Removed redundant test for
7323 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7325 * rtl.h (rtx_function): New type.
7326 (for_each_rtx): New function.
7327 * rtlanal.c (for_each_rtx): Define it.
7329 * recog.c (change_t): New type.
7330 (change_objects, change_old_codes, change_locs, change_olds):
7332 (changes): New variable.
7333 (validate_change): Dynamically allocate room for more changes, if
7334 necessary. Uses changes array instead of change_objects, etc.
7335 (apply_change_group): Use changes array instead of
7336 change_objects, etc.
7338 * loop.c (loop_mem_info): New type.
7339 (loop_mems): New variable.
7340 (loop_mems_idx): Likewise.
7341 (looop_mems_allocated): Likewise.
7342 (scan_loop): Remove nregs parameter.
7343 (next_insn_in_loop): New function.
7344 (load_mems_and_recount_loop_regs_set): Likewise.
7345 (load_mems): Likewise.
7346 (insert_loop_mem): Likewise.
7347 (replace_loop_mem): Likewise.
7348 (replace_label): Likewise.
7349 (INSN_IN_RANGE_P): New macro.
7350 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7351 (scan_loop): Remove nregs parameter, compute it after any new
7352 registers are created by load_mems. Use INSN_IN_RANGE_P and
7353 next_insn_in_loop rather than expanding them inline. Call
7354 load_mems to load memory into pseudos, if appropriate.
7355 (prescan_loop): Figure out whether or not there are jumps from the
7356 loop to targets other than the label immediately following the
7357 loop. Call insert_loop_mem to notice all the MEMs used in the
7358 loop, if it could be safe to pull MEMs into REGs for the duration
7360 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7362 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7364 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7366 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7368 * config/sparc/sparc.c (finalize_pic): Check for the correct
7369 nonlocal_goto_receiver UNSPEC number.
7370 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7371 making note of this dependency existing in sparc.c
7372 (negtf2_notv9 split): Give NEG SFmode.
7373 (negsf2): Fix insn output string.
7375 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7377 * c-common.c (decl_attributes): Issue an error if the argument
7378 to alias is not a string.
7380 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7382 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7383 pending memory flush list.
7385 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7387 (try_combine): Allow combining insns with REG_LIBCALL notes.
7389 * expr.c (emit_block_move): Do not call memcpy as a libcall
7390 instead build up a CALL_EXPR and call it like any other
7392 (clear_storage): Similarly for memset.
7394 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7397 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7400 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7401 and REG_LIVE_LENGTH as successful substitutions are made.
7403 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7405 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7406 statement after end of loop label.
7408 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7410 * config/sparc/sparc.c (ultra_types_avail): New variable.
7411 (ultra_build_types_avail): New function to record mask of insn
7412 types in ready list at this cycle.
7413 (ultrasparc_sched_reorder): Call it.
7414 (ultra_find_type): Use it to quicken the search. Also simplif
7415 dependency check, don't use rtx_equal_p because we know exactly
7416 what we are looking for.
7418 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7420 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7421 for architecture v4.
7423 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7425 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7427 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7428 movdf_const_intreg and helper splits): New patterns to move float
7429 constants into integer registers.
7430 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7433 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7436 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7438 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7440 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7441 a BASE_REGS register is needed as an intermediate when copying
7442 a symbolic value into any register class other than BASE_REGS.
7444 * expr.c (move_by_pieces): No longer static. Remove prototype.
7445 * rtl.h (move_by_pieces): Add extern prototype.
7446 * mips.c (expand_block_move): Handle aligned straight line copy by
7447 calling move_by_pieces.
7449 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7452 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7454 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7455 jumps out of the loop to be treated as part of the exit test.
7457 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7458 Jeff Law <law@cygnus.com>
7460 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7461 * cplus-dem.c: Delete.
7463 * Makefile.in (fold-const.o): depend on $(RTL_H).
7465 * fold-const.c: Include rtl.h to get the prototype for
7466 `set_identifier_local_value'.
7468 * loop.c (express_from_1): Remove unused variable `tmp'.
7469 (combine_givs): cast the first argument of bzero to char *.
7471 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7473 * c-decl.c (init_decl_processing): Remove unneeded &.
7475 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7477 * except.c (set_exception_lang_code, set_exception_version_code):
7478 Change parameter from `short' to `int' to avoid using a gcc
7481 * except.h (set_exception_lang_code, set_exception_version_code):
7482 Likewise for prototypes.
7484 * flow.c (count_reg_references): Remove unused variables `regno'
7487 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7489 * prefix.c (translate_name): Cast the result of `alloca'.
7491 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7493 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7495 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7497 (valid_dbcc_comparison_p): Mark mode argument as unused.
7498 (symbolic_operand): Likewise.
7499 (legitimize_pic_address): Likewise.
7500 (const_uint32_operand): Likewise.
7501 (const_sint32_operand): Likewise.
7502 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7503 schedule_insns and comment out rest of file.
7505 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7507 (output_move_[hq]imode): Likewise.
7509 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7511 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7512 * invoke.texi: Corresponding changes.
7514 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7516 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7518 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7520 * config/sparc/sparc.c (ultra_code_from_mask,
7521 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7522 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7523 ultrasparc_sched_init, ultrasparc_variable_issue,
7524 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7525 functions to describe UltraSPARC pipeline exactly to Haifa.
7526 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7527 as there is nothing the scheduler can do about it. Indicate that
7528 REG_DEP_OUTPUT's collide. Fixup formatting.
7529 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7530 divide costs on Ultra for DImode.
7531 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7533 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7534 ieuN and add call_no_delay_slot to type list.
7535 (cti function unit): New unit for branches on UltraSPARC.
7536 (subx/addx insns): Set type to misc.
7537 (sidi zero/sign extension insns on arch64): Set type to shift.
7538 (sign_extendhidi2_insn): Set type to sload.
7540 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7542 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7543 (output_epilog): Use if != 0 for offset.
7544 (rs6000_fatal_bad_address): Prepare for Intl.
7545 * rs6000.h (rs6000_fatal_bad_address): Declare.
7546 * rs6000.md (movsfcc, movdfcc): Use else if.
7547 (elf_high): Use {liu|lis}.
7548 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7549 (movsi): Use rs6000_fatal_bad_address.
7551 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7553 * reload.c (find_equiv_reg): Reject equivalences separated
7554 by a volatile instruction.
7556 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7558 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7560 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7562 * alpha.md (movsicc): Fix mode mismatch.
7564 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7566 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7568 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7570 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7572 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7573 write-only modifier from operand 1 constraint.
7575 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7577 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7578 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7580 (sparc_emit_set_const64): Likewise, also when computing trailing
7581 bits do not negate low_bits and make fast_int an int.
7583 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7585 * loop.c (add_label_notes): Do not ignore references to labels
7586 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7587 * gcse.c (add_label_notes): Similarly.
7589 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7591 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7592 (adddi_dishl32): Similarly.
7594 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7596 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7597 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7598 * cse.c (cse_basic_block): Add parens to shut up warnings.
7600 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7602 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7603 sparc_emit_set_const64_longway, const64_is_2insns,
7604 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7605 in 64-bit constant formation.
7606 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7607 rtl for addx not subx.
7608 (define_insn movdi_const64_special): Make available even when
7609 HOST_BITS_PER_WIDE_INT is not 64.
7610 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7611 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7612 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7613 instances of operand 1 inside a QI subreg.
7614 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7615 (one_cmpldi2_sp64): Fix output string.
7616 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7618 (unnamed arch64 ashift DI): Truncate shift count if greater than
7621 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7623 * expr.c (store_expr): Don't optimize away load-store pair
7624 when either source or destination have a side effect.
7626 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7628 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7629 operands of SET are incompatible.
7631 * alpha.md: Fix max and min patterns so modes of SET operands match.
7633 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7635 * configure.in: Avoid [[ by using test and changequote.
7636 * configure: Rebuild.
7638 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7640 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7642 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7643 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7644 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7645 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7646 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7647 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7648 Fix mismatching modes in SET operands.
7649 (conditional move patterns): Fix formatting.
7650 (unnamed subx arch64 pattern): Remove duplicate insn.
7652 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7654 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7655 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7656 (input_operand): Fixup test for what we accept for constant
7658 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7660 (safe_constDI): Remove.
7661 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7662 gen_safe_XOR64): New functions.
7663 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7664 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7666 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7667 available when HOST_BITS_PER_WIDE_INT is not 64.
7668 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7669 move before movdi_insn_sp64 pattern.
7670 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7671 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7672 symbolic_operand as predicate for second operand.
7673 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7674 expander): Give set VOIDmode.
7676 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7678 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7680 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7682 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7684 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7686 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7688 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7690 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7692 * install.texi: Various SCO OpenServer tweaks.
7694 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7696 * reload1.c (eliminate_regs_in_insn): Handle another case when
7697 eliminating the frame pointer to the hard frame pointer. Add
7698 missing ep->to_rtx check to one existing case.
7700 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7702 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7704 * tree.h: De-conditionalize init_priority code.
7706 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7707 * collect2.c (NM_FLAGS): Change from -p to -n.
7709 * configure.in: Turn on collect2 for mipstx39-elf.
7710 Handle use_collect2=no properly.
7712 * c-common.c: De-conditionalize init_priority code.
7713 * collect2.c (extract_init_priority, sort_ids): New fns.
7714 (main): Call sort_ids.
7715 Move sequence_number to file scope.
7717 * configure.in: Handle --enable-init-priority.
7718 * c-common.c (attrs): Add A_INIT_PRIORITY.
7719 (init_attributes, decl_attributes): Likewise.
7720 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7721 * tree.c (get_file_function_name_long): Split out...
7722 (get_file_function_name): ...from here.
7724 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7726 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7729 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7731 * toplev.c (display_help): Add braces to shut up warnings.
7732 * tree.c (simple_cst_equal): Likewise.
7734 * fold-const.c (non_lvalue): Don't deal with null pointer
7736 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7738 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7739 of any size to a pointer.
7741 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7743 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7745 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7747 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7748 which will be saved.
7749 * mn10300.md (prologue insn): Only save registers which need saving.
7750 (epilogue insn): Similarly.
7752 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7755 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7757 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7758 VAR_DECL's in gp addressable sections.
7760 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7762 * sparc.c: Change return <exp> to <exp>; return; in functions
7764 * sparc.md: Add empty semicolon statement after final label in
7767 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7769 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7770 addx_extend_sp64, only allow when TARGET_ARCH64.
7771 (define_insn addx_extend_sp32 and split): Version that works when
7773 (define_insn subx_extend): Likewise.
7774 (define_split adddi3 and subdi3 with zero extension): Fixup and
7775 correct bugs when not TARGET_ARCH64.
7777 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7779 * except.c (set_exception_lang_code, set_exception_version_code):
7780 Use prototype-style definition if __STDC__, to match declaration
7783 * genemit.c: Change FAIL and DONE macros not to use loops.
7785 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7787 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7788 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7790 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7792 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7794 * README.g77: Update from Craig.
7796 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7798 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7800 (safe_constDI sparc_emit_set_const64_quick1,
7801 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7802 analyze_64bit_constant, const64_is_2insns,
7803 create_simple_focus_bits): Fix some bugs when compiled on real
7805 (function_arg_record_value_3, function_arg_record_value_2,
7806 function_arg_record_value): Add fully prototyped forward decls.
7807 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7808 to cmpsi_insn and use on both 64 and 32 bit targets.
7809 (define_insn cmpsi_insn_sp64): Remove.
7810 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7811 (define_insn zero_extendsidi2_insn): Rename to
7812 zero_extendsidi2_insn_sp64.
7813 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7814 assosciated forced split for it.
7816 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7818 * config/sparc/sparc.h: Declare them.
7819 (PREDICATE_CODES): Add them.
7820 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7821 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7823 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7825 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7826 in v9 case as the latter makes the Solaris assembler crash.
7828 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7830 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7831 for TFmode when !v9. We require offsettable memory addresses.
7832 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7833 DFmode register number conversions.
7834 * config/sparc/sparc.md (define_split DFmode moves): If register
7835 is a SUBREG do alter_subreg on it before using.
7836 (define_expand movtf): Fixup comment about alignment on v9.
7837 (define_split TFmode moves): Don't use gen_{high,low}part, create
7838 explicit SUBREGs instead.
7840 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7842 * Makefile.in (mbchar.o): Depend on mbchar.c.
7844 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7845 Richard Henderson <rth@cygnus.com>
7847 Rewrite Sparc backend for better code generation and
7848 improved sparc64 support.
7849 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7851 * config/sparc/sysv4.h: Likewise.
7852 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7853 move_operand, v8plus_regcmp_op, emit_move_sequence,
7854 singlemove_string, doublemove_string, mem_aligned_8,
7855 output_move_double, output_move_quad, output_fp_move_double,
7856 move_quad_direction, output_fp_move_quad, output_scc_insn):
7858 (small_int_or_double): New predicate.
7859 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7860 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7861 old pic_{sethi,lo_sum}_si patterns.
7862 (mem_min_alignment): New generic function to replace
7863 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7864 available and can test for arbitrary alignments. All callers
7866 (save_regs, restore_regs, build_big_number,
7867 output_function_prologue, output_cbranch, output_return,
7868 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7869 sparc_flat_output_function_epilogue): Prettify
7871 (output_function_epilogue): Likewise and add code to output
7872 deferred case vectors.
7873 (output_v9branch): Likewise, add new arg INSN and use it to tack
7874 on branch prediction settings. All callers changed.
7875 (print_operand): Likewise and output %l44 for LO_SUMs when
7877 (sparc_splitdi_legitimate): New function to make sure DImode
7878 splits can be run properly when !arch64.
7879 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7880 Reformat example code in comments.
7881 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7882 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7883 of deferred case vectors we need to output.
7884 (sparc_defer_case_vector): Record a case vector.
7885 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7886 sparc_output_deferred_case_vectors): New functions to output them.
7887 (sparc_emit_set_const32): New function to form 32-bit constants in
7888 registers when that requires more than one instruction.
7889 (safe_constDI, sparc_emit_set_const64_quick1,
7890 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7891 analyze_64bit_constant, const64_is_2insns,
7892 create_simple_focus_bits, sparc_emit_set_const64): New functions
7893 which do the same for 64-bit constants when arch64.
7894 (sparc_emit_set_symbolic_const64): New function to emit address
7895 loading for all code models on v9.
7896 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7897 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7898 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7899 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7900 inaccuracies in comments, add symbolic and text_segment operands
7901 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7902 GENERAL_REGS in these cases as a temp REG is needed to load these
7903 addresses into a register properly.
7904 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7906 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7907 quads are guarenteed to have 16-byte alignment.
7908 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7909 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7910 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7911 deferred case vector implementation.
7912 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7913 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7914 Generate "internal label - label" instead of "label - 1b".
7915 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7916 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7917 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7919 (doublemove_string, output_block_move, output_fp_move_double,
7920 output_fp_move_quad, output_move_double, output_move_quad,
7921 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7922 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7923 (sparc_emit_set_const32, sparc_emit_set_const64,
7924 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7925 mem_min_alignment, small_int_or_double): Add externs.
7926 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7927 UNSPEC_VOLATILE in this backend.
7928 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7929 unary to types which execute in it.
7930 (define_function_unit ieu_shift): Rename to ieu0.
7931 (define_function_unit ieu1): New, executes compare, call, and
7932 uncond_branch type insns.
7933 (define_function_units for type fdivs, fdivd, fsqrt): These
7934 execute in the fpu multiply unit not the adder on UltraSparc.
7935 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7936 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7937 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7938 allows the arith_double_operand predicate and rHI constraint when
7940 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7941 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7942 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7943 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7944 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7945 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7946 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7947 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7948 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7949 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7950 sign_extendqihi2_insn, sign_extendqisi2_insn,
7951 sign_extendqidi2_insn, sign_extendhidi2_insn,
7952 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7953 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7954 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7955 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7956 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7957 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7958 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7959 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7960 smulsi3_highpart_v8plus, unnamed subreg mult,
7961 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7962 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7963 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7964 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7965 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7966 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7967 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7968 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7969 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7970 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7971 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7972 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7973 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7974 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7975 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7976 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7977 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7978 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7979 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7980 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7981 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7982 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7983 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7984 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7985 call_address_untyped_struct_value_sp32,
7986 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7987 call_value_symbolic_sp32, call_value_address_sp64,
7988 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7989 flush_register_windows, goto_handler_and_restore,
7990 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7991 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7992 return_addsi, return_di, return_adddi, return_sf, all call+jump
7993 peepholes, trap, unnamed trap insns): Prettify output strings.
7994 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7995 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7996 Likewise and force + implement splits for integer cases.
7997 (define_insn return_sf_no_fpu): Likewise and allow to match when
7998 no-fpu because of our subreg SFmode splits.
7999 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8000 zero_extendqidi2_insn, zero_extendhidi2_insn,
8001 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8002 input_operand for second operand.
8003 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8004 reg_or_0_operand for operand 2 so new splits can use it.
8005 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8006 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8008 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8009 CONST_DOUBLEs for operand 2.
8010 (define_insn move_label_di): Likewise and label distance
8011 optimization because it no longer works with new deferred case
8012 vector scheme. To be revisited.
8013 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8014 and allow reg_or_0_operand and J constraint for second operand.
8015 (define_insn jump): Set branch predict taken on V9.
8016 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8017 new deferred case vector scheme.
8018 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8019 (define_insn negdi2_sp32): Force + implement splits.
8020 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8021 one_cmplsi2_not_liveg0 respectively, and create expander of original
8022 names which emit special rtl for TARGET_LIVE_G0.
8023 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8024 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8025 gen_compare_reg, FAIL instead.
8026 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8027 values when trying to reverse condition codes, if they FAIL then
8029 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8030 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8031 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8032 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8033 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8034 set output string to # to indicate they are mandatory splits.
8035 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8036 pic_sethi_di, move_pic_label_si): Remove.
8037 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8038 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8040 (define_expand movsi_pic_label_ref, define_insn
8041 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8042 expander and insns to handle PIC label references and deferred
8044 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8046 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8047 Rewrite to not use emit_move_sequence, make use of new constant
8048 formation code, and new splits for all multi-insn cases.
8049 (define_insn movqi_insn): Remove sethi case, it can never happen.
8050 Use reg_or_zero_operand instead of const0_rtx explicit test,
8051 use input_operand instead of move_operand for source, and use
8052 general_operand now for dest.
8053 (define_insn movhi_insn): Similar but leave sethi case.
8054 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8055 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8056 movhi_lo_sum respectively, prettify output string.
8057 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8058 register when needed on TARGET_LIVE_G0.
8059 (define_insn movsi_insn): Use general_operand and input_operand
8060 for dest and src respectively. Simplify applicability test.
8061 Prettify output strings, and add clr alternative for J
8063 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8064 deprecated std and reg-reg DI moves): Remove and...
8065 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8066 implementation which uses forced splits for all non-single insn
8068 (define_split DI move cases on !arch64): New splits to handle all
8069 situations of 64-bit double register DImode on 32bit, and
8070 unaligned registers and memory addresses for all subtargets.
8071 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8073 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8074 input_operand for dest and src respectively, prettify output
8076 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8077 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8079 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8080 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8081 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8082 movtf_no_e_insn_sp64) Replace with new
8083 implementation which uses forced splits for all non-single insn
8085 (define_split DF move cases): New splits in similar vein to DI
8087 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8088 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8089 movdi_sp64_insn): Remove old v9 code model and constant loading
8091 (define_insn pic_lo_sum_di, pic_sethi_di,
8092 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8093 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8094 embmedany_sethi, embmedany_losum, embmedany_brsum,
8095 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8096 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8097 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8098 scheme, using unspecs, secondary reloads, and one to one sparc
8099 insn to rtl insn mapping for better scheduling and code gen.
8100 (define_expand reload_indi, reload_outdi): Reload helpers for
8101 MEDANY and EMBMEDANY symbol address loading cases which require a
8103 (define_expand movsicc): Remove v8plus_regcmp cases.
8104 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8105 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8106 cmp_diqi_trunc_set): New patterns used by some of the new scc
8108 (define_insn xordi3_sp64_dbl): New pattern used for constant
8109 formation when crossing from 32-bit targets.
8110 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8112 (define_insn addx, subx): Make visible and prettify.
8113 (define_insn adddi3_insn_sp32): Likewise and force split.
8114 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8115 64bit scc split usage.
8116 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8117 zero_extend, subdi3): Force and implement splits.
8119 * final.c (final_scan_insn): Don't output labels if target
8120 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8123 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8124 don't forget to walk inside SEQUENCESs too as these are what the
8125 delay slot scheduler will create.
8127 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8129 * alpha.md (extxl+1,+2): New patterns to work around
8132 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8134 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8135 caused bad assembly code to be generated.
8137 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8139 * netbsd.h: Fix typo.
8141 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8143 * config.sub: Fix typo.
8145 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8147 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8149 (Running Protoize): Typo: Change "ther" into "other".
8151 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8153 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8154 * m68k/netbsd.h: Likewise.
8155 * ns32k/netbsd.h: Likewise.
8156 * sparc/netbsd.h: Likewise.
8158 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8160 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8161 * ginclude/va-clipper.h (va_list): Likewise.
8163 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8165 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8166 load/store multiple instructions unless user overrides.
8168 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8170 * ns32k/netbsd.h: Fix typo.
8172 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8174 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8175 labels with .debugsym if no parallel insns.
8177 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8179 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8180 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8182 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8184 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8185 (AR_FOR_TARGET): Define.
8187 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8189 * dyn-string.h: New file.
8190 * dyn-string.c: Likewise.
8191 * Makefile.in (OBJS): Add dyn-string.o.
8192 (dwarf2out.o): Add dyn-string.h dependency.
8193 (dyn-string.o): List dependencies.
8194 * dwarf2out.c: Include dyn-string.h.
8195 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8196 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8197 prototype. Use dyn_string_append rather than strcat, throughout.
8198 (addr_to_string): Use dyn_string_t.
8200 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8202 Function entry/exit profiling instrumentation:
8203 * expr.h (profile_function_entry_libfunc,
8204 profile_function_exit_libfunc): Declare new variables.
8205 * optabs.c: Define them here.
8206 (init_optabs): Initialize them.
8207 * tree.h (struct tree_decl): New flag
8208 no_instrument_function_entry_exit.
8209 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8210 * c-decl.c (duplicate_decls): Merge it.
8211 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8212 (init_attributes): Use it for "no_instrument_function".
8213 (decl_attributes): Handle it, for functions that have not yet been
8214 compiled. Set decl flag.
8215 * flags.h (flag_instrument_function_entry_exit): Declare new
8217 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8218 (f_options): New option "instrument-functions".
8219 * function.h (struct function): New field instrument_entry_exit.
8220 * function.c (current_function_instrument_entry_exit): New
8222 (push_function_context_to, pop_function_context_from): Save and
8224 (expand_function_start): Set current_ variable, maybe emit return
8225 label and entry profile call.
8226 (expand_function_end): Maybe emit exit profile call.
8228 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8230 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8231 NON_QI_REG_P, pretend the register is SImode.
8233 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8235 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8236 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8237 manufacturer id for ns32k.
8238 * configure: Regenerated.
8239 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8240 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8241 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8242 * config/m68k/netbsd.h: Same.
8243 * config/ns32k/netbsd.h: Same.
8244 * config/sparc/netbsd.h: Same.
8246 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8248 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8249 or UNROLL_COMPLETELY loop that starts with a jump to its
8252 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8254 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8255 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8256 (print_operand, case 'B'): Don't fall through.
8257 (print_operand, case 'S'): Correct mask begin/end computation.
8258 Use HOST_BITS_PER_WIDE_INT.
8259 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8260 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8261 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8262 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8264 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8266 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8267 constraint from second alternative.
8269 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8271 * configure.in: Fix --without/--disable cases for local-prefix,
8272 gxx-include-dir and checking.
8274 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8276 * configure.in (enable_haifa): Set by default for sparc64 too.
8279 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8281 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8282 * i386/winnt.c (associated_type): New fn.
8283 (i386_pe_valid_type_attribute_p): New fn.
8284 (i386_pe_check_vtable_importexport): Remove.
8285 (i386_pe_dllexport_p): Use associated_type.
8286 (i386_pe_dllimport_p): Likewise.
8288 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8289 * i386.c (i386_valid_type_attribute_p): Also accept
8290 attributes for METHOD_TYPEs.
8292 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8294 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8296 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8298 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8300 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8301 them from generating a new base name for each occurence of
8304 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8306 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8308 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8312 * cplus-dem.c (type_kind_t): New type.
8313 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8314 on this paramter, rather than demangling the type again.
8315 (demangle_integral_value): Pass tk_integral.
8316 (demangle_template_: Pass the value returned from do_type.
8317 (do_type): Return a type_kind_t. Pass tk_integral to
8318 demangle_template_value_parm for array bounds.
8319 (demangle_fund_type): Likewise.
8321 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8323 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8326 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8328 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8330 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8332 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8334 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8337 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8339 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8340 (DEBUGGER_ARG_OFFSET): Likewise.
8342 * mn10300.md (movsf): Remove last change. Not needed.
8344 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8346 * c-lex.c (yylex): Fix boundary conditions in character literal and
8347 string literal loops.
8349 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8351 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8352 being invoked incorrectly.
8354 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8355 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8357 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8358 * configure.in: Added i[34567]86-*-win32
8359 * config.sub: Ditto.
8360 * configure: Rebuilt.
8362 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8364 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8365 the frame pointer and compiling PIC code and reload has not completed.
8367 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8370 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8372 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8374 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8376 * Makefile.in (install-info): Only try to update the info
8377 directory file if it exists in the first place.
8379 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8381 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8383 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8385 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8386 CONST_DOUBLE source.
8388 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8390 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8391 strings as the insertion of USER_LABEL_PREFIX.
8392 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8394 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8397 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8399 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8400 already defined type.
8402 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8404 * expr.c (check_max_integer_computation_mode): Allow conversions
8405 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8406 (expand_expr): Likewise.
8408 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8410 * expr.c (expand_expr): Expand RETURN_EXPR.
8412 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8414 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8416 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8418 * dwarf2out.c (output_aranges): Call stripattributes
8419 for TEXT_SECTION references.
8420 (output_line_info): Likewise.
8422 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8424 * profile.c (branch_prob): Call allocate_reg_info after outputting
8425 profile rtl in instrument_arcs.
8427 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8429 * fixinc.irix (math.h): Install wrapper instead of copying.
8431 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8433 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8434 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8435 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8436 lang_flag_0. Added documentation in the flag table.
8438 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8440 * cccp.c (do_include): Fix vax c style include handling.
8442 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8444 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8446 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8448 * fold-const.c (non_lvalue): Don't deal with null pointer
8450 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8452 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8454 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8455 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8456 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8457 (u_short_cint_operand): Same.
8458 (reg_or_cint_operand): Same.
8459 (logical_operand): Same.
8460 (input_operand): Same.
8461 (reg_or_short_operand): Use u_short_cint_operand.
8463 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8465 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8466 but keep the insns and splits. Adjust so when the ultimate destination
8467 is memory, use cvtql.
8469 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8471 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8473 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8475 * gcc.c (do_spec): Call "error" not "warning".
8477 * configure.in: Fix minor problems with gas feature detection code.
8478 * configure: Rebuilt.
8480 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8483 * gcc.c: Delete %[spec] support.
8484 (do_spec_1, case '('): Likewise.
8485 (do_spec_1, case '['): Call error.
8487 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8489 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8490 (CPP_SUBTARGET_SPEC): Default to empty string.
8491 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8492 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8493 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8494 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8496 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8497 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8498 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8499 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8500 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8501 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8502 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8503 * alpha/vxworks.h: Likewise.
8505 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8507 * mips.md (reload_outsi): Added missing REGNO call.
8508 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8510 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8511 another match_operator and compare the codes.
8513 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8515 * MIPS multiply pattern fixes:
8516 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8517 Add union classes for HI, LO, or HILO plus general registers.
8518 (GENERATE_MADD): Deleted.
8519 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8520 Add TARGET_MAD to condition.
8521 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8522 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8523 "*d" for accumulator, to give preference to LO initially but not
8526 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8528 * configure.in (enable_c_mbchar): New configure option.
8529 (extra_cpp_objs): Always available now.
8531 * cexp.y (mbchar.h): #include it.
8532 (yylex): Handle Multibyte characters in character literals.
8534 * cccp.c (mbchar.h): #include it.
8535 (main): Set character set based on LANG environment variable.
8536 (rescan): Handle multibyte characters in comments.
8537 (skip_if_group): See above.
8538 (validate_else): See above.
8539 (skip_to_end_of_comment): See above.
8540 (macarg1): See above.
8541 (discard_comments): See above.
8542 (rescan): Handle multibyte characters in string and character literals.
8543 (collect_expansion): See above.
8544 (skip_quoted_string): See above.
8545 (macroexpand): See above.
8546 (macarg1): See above.
8547 (discard_comments): See above.
8548 (change_newlines): See above.
8550 * c-lex.c (mbchar.h): #include it.
8551 (GET_ENVIRONMENT): New macro.
8552 (init_lex): Set character set based on LANG environment variable.
8553 (yylex): Handle multibyte characters in character literals.
8554 (yylex): Handle multibyte characters in string literals.
8556 * Makefile.in (mbchar.o): New target.
8557 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8558 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8560 * mbchar.[ch]: New files for multibyte character handling.
8562 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8564 * jump.c (jump_optimize): When simplifying noop moves and
8565 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8566 the PUSHes to rewrite in second loop as we did in the first.
8568 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8570 * cplus-dem.c (demangle_nested_args): Make function definition
8571 static to match the prototype.
8573 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8575 * alloca.c: Respect USE_C_ALLOCA.
8576 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8577 * gengenrtl.c (xmalloc): Likewise.
8579 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8581 * loop.h (struct induction): Add no_const_addval.
8582 * loop.c (the_movables, reg_address_cost): New variables.
8583 (init_loop): Init reg_address_cost.
8584 (loop_optimize): Call end_alias_analysis.
8585 (scan_loop): Init the_movables.
8586 (record_giv): Init induction->no_const_addval.
8587 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8588 [REG]: Rearrange loop search test to catch more cases.
8589 (general_induction_var): Return success not benefit; take an extra
8590 argument for that. Change all callers.
8591 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8592 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8593 [default]: Search the_movables for additional combinations.
8594 (sge_plus_constant, sge_plus): New functions.
8595 (express_from_1): New function.
8596 (express_from): Always define. Rewrite using express_from_1.
8597 (combine_givs_p): Handle more cases. Ignore address cost.
8598 (cmp_combine_givs_stats): New function.
8599 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8600 (combine_givs): Rewrite to do best-fit combination.
8602 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8603 (fold): Do a complete (A*C)+(B*C) association check.
8605 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8607 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8609 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8611 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8613 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8615 * tree.c (valid_machine_attribute): Only create a new type variant if
8616 there is a decl to use it.
8618 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8620 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8623 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8625 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8628 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8630 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8631 Simplify tests for clearing an address register.
8632 (expand_prologue): Corresponding changes.
8634 * mn10300.md (movXX patterns): Make sure the destination is an
8635 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8636 (logical patterns): Split into expanders + patterns
8637 (zero and sign extension patterns): Similarly.
8638 (shift patterns): Similarly.
8640 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8642 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8643 for the sequence, recording base values.
8645 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8647 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8649 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8651 * gcc.c: Remove ANSI-C ism from --help code.
8653 * toplev.c: Support --help with USE_CPPLIB.
8655 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8657 * configure.in: Rework gas feature code to work with symlink based
8660 * extend.texi: Clarify some issues related to local variables
8661 assigned to explicit registers.
8663 * mn10300.md (mulsi): Turn into expander + pattern.
8665 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8668 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8670 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8672 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8674 * version.c: Bump again to distinguish mainline tree from the
8677 See ChangeLog.0 for earlier changes.
8680 add-log-time-format: current-time-string