1 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
3 * pa.h (reg_class): Add FPUPPER_REGS.
4 (REG_CLASS_NAMES): Similarly.
5 (REG_CLASS_CONTENTS): Similarly
6 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
7 (FP_REG_CLASS_P): Likewise.
8 (REG_CLASS_FROM_LETTER): Similarly.
9 (CLASS_MAX_NREGS): Similarly.
11 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
13 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
14 for a typedef of bool. Make sure to have a copy of the file is
15 in place before we look to fix it. Fix typo in variable name to
18 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
20 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
21 value_mode for the return mode.
23 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
25 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
28 * config/tm-dwarf2.h: New file.
30 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
32 * h8300.h (ASM_OUTPUT_LABELREF): Define.
34 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
35 * local-alloc.c (update_equiv_regs): Corresponding changes.
36 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
38 * calls.c (special_function_p): Push alloca test inside the large
39 conditional which excludes functions not at file scope or not
42 * calls.c (special_function_p): New function broken out of
44 (precompute_register_parameters): Likewise.
45 (store_one_arg): Likewise.
46 (store_unaligned_argumetns_into_pseudos): Likewise.
47 (save_fixed_argument_area): Likewise.
48 (restore_fixed_argument_area): Likewise.
49 (expand_call): Corresponding changes.
51 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
53 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
55 (const_sint32_operand): Likewise.
57 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
59 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
60 is a macro when deciding if we can use `jmp_buf' in prototypes.
62 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
64 * config/c4x/c4x.md (addqi3): If the destination operand is
65 a hard register other than an extended precision register,
66 emit addqi3_noclobber.
67 (*addqi3_noclobber_reload): New pattern added so that reload
68 will recognise a store of a pseudo, equivalent to the sum
69 of the frame pointer and a constant, as an add insn.
71 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
73 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
75 * i386/xm-go32.h: Define LIBSTDCXX.
77 * i386/go32.h (MD_EXEC_PREFIX): Define.
78 (FILE_NAME_ABSOLUTE_P): Define.
79 (LINK_COMMAND_SPEC): Define.
81 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
83 * expr.c (store_expr): If the lhs is a memory location pointed
84 to be a postincremented (or postdecremented) pointer, always
85 force the rhs to be evaluated into a pseudo.
87 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
89 * real.c (mtherr): Print more reasonable warning messages.
91 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
93 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
95 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
96 (new_include_prefix): Constify char* parameters.
98 * cppfiles.c (read_name_map): Likewise.
99 (append_include_chain): Likewise. Also, use a writable char* copy
100 of parameter `dir' which we then modify, rather than using the
101 parameter itself to store the new writable string.
102 (remap_filename): Constify some variables. Also, use a writable
103 char* to store an allocated string which we will be modifying.
105 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
106 (cpp_start_read): Constify variable `str'.
108 * cpplib.h (append_include_chain): Constify a char* parameter.
110 * gcc.c Include prefix.h, don't prototype prefix.c functions.
111 (add_prefix, save_string): Constify char* parameters.
112 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
114 * prefix.c: Include prefix.h.
115 (get_key_value, translate_name, save_string, update_path,
116 set_std_prefix): Constify various char* parameters and variables.
117 (save_string): Use xmalloc, not malloc.
118 (translate_name): Use a writable temporary variable to create and
119 modify a string before setting it to a const char*.
121 * prefix.h: New file to prototype functions exported from prefix.c.
123 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
125 * cpplib.c (skip_if_group): Split out the logic that handles
126 directive recognition to its own function. Don't use
127 parse markers; use a bare pointer into the buffer. Use
128 copy/skip_rest_of_line instead of doing it by hand. Remove
129 `return on any directive' mode which was never used, and take
131 (consider_directive_while_skipping): New function, subroutine
132 of skip_if_group. Logic streamlined a bit.
133 (conditional_skip, do_elif, do_else): Call skip_if_group with
136 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
138 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
141 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
143 * extend.texi (Bound member functions): Document.
145 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
147 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
148 lang_to_string, type_to_string): Make return type const char*.
149 (print_symbol): Apply `const' keyword to a char*.
150 (print_file_desc): Cast structure member `crfd' to ulong when
151 comparing against one.
153 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
154 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
155 (progname, input_name): Apply `const' keyword to a char*.
156 Don't redundantly include sys/stat.h.
157 (alloc_info): Apply `const' keyword to a char*.
158 (st_to_string, sc_to_string): Likewise.
159 (hash_string): Cast variable `hash_string' to a symint_t when
160 comparing against one.
161 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
162 Likewise cast it to long when comparing against one.
163 (add_local_symbol): Apply `const' keyword to a char*.
164 (add_ext_symbol): Likewise.
165 (add_unknown_tag): Likewise.
166 (add_procedure): Cast a printf-style field width to an int.
167 (add_file): Cast PAGE_USIZE to long when comparing against one
168 (parse_begin): Cast a printf-style field width to an int.
169 (parse_bend): Likewise.
170 (parse_def): Likewise.
171 (parse_end): Likewise.
172 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
173 (parse_stabs_common): Fix format specifier.
174 (parse_input): Change type of variable `i' to Size_t.
175 (write_object): Fix arguments to match format specifiers.
176 Cast variable `num_write' to long when comparing against one.
177 (read_seek): Cast variable `sys_read' to symint_t when comparing
178 against one. Fix arguments to match format specifiers. Cast
179 variable `size' to long when comparing against one.
180 (copy_object): Cast result of `sizeof' to int when comparing
181 against one. Fix arguments to match format specifiers. Cast
182 variable `ifd' to long when comparing against a signed value.
185 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
187 * c-common.c (decl_attributes): Allow applying attribute `unused'
190 * c-parse.in (label): Parse attributes after a label, and call
191 `decl_attributes' to handle them.
193 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
195 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
196 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
198 * invoke.texi: Note that labels can be marked `unused'.
200 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
202 * version.c: Bump for snapshot.
204 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
206 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
207 RTL for a compare/jump sequence.
209 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
211 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
212 for a target with HAVE_cc0 defined.
213 (emit_cmp_and_jump_insns): New function.
214 * expr.h (emit_cmp_and_jump_insns): Prototype it.
215 * loop.c (check_dbra_loop): Use it to replace calls
216 to emit_cmp_insn and emit_jump_insn and to canonicalise
217 the comparison if necessary.
218 * unroll.c (unroll_loop): Likewise.
220 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
222 * fixincludes (sys/utsname.h): Provide forward declaration of
223 struct utsname on Ultrix V4.[35].
225 * mips.md (div_trap): Use local labels instead of dot-relative
228 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
230 * pa.md (branch, negated branch): Handle (const_int 0) as first
232 * pa.c (output_cbranch): Likewise.
234 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
236 * rs6000.c (rs6000_stack_info): Undo spurious part of last
239 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
241 * extend.texi (__builtin_constant_p): Add missing @smallexample.
243 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
245 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
247 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
249 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
250 (adddi_dishl32): Similarly.
252 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
253 for each insn in the skipped block.
255 * reload1.c (reload_as_needed): Verify that the insn satisfies its
256 constraints after replacing a register address with an autoincrement
257 address for reload inheritance purposes.
259 * i386.md (doubleword shifts): Avoid namespace pollution.
261 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
263 * configure.in (FreeBSD ELF): Needs special crt files.
265 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
267 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
269 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
271 * loop.c (check_dbra_loop): While reversing the loop, if the
272 comparison value has a VOID mode use the mode of the other operand
275 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
277 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
278 avoid warnings in compiling explow.c.
280 (patch from Ken Raeburn, raeburn@cygnus.com)
281 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
282 fpmem_offset. Compute total size after that, and then
283 rs6000_fpmem_offset using both values.
285 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
287 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
288 the future; indeed that already happens in some cases.
290 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
292 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
293 (arith_operand): Remove constant_p_rtx handling.
294 (const64_operand, const64_high_operand): Likewise.
295 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
296 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
297 (small_int_or_double, uns_small_int, zero_operand): Likewise.
298 * sparc.h (PREDICATE_CODES): Likewise.
300 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
302 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
304 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
305 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
306 consider constant CONSTRUCTOR constant and to defer some cases
308 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
309 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
311 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
313 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
314 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
316 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
317 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
318 (sext_add_operand, and_operand, or_operand): Likewise.
319 (reg_or_cint_operand, some_operand, input_operand): Likewise.
320 * alpha.h (PREDICATE_CODES): Likewise.
322 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
324 * version.c: Bump for snapshot.
326 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
328 * gengenrtl.c (gencode): Always use bzero to clear memory instead
329 of dangerous casts and stores.
331 * Makefile.in (compare, gnucompare): Add missing else true clauses.
333 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
335 * alpha.md (builtin_longjmp): Add missing "DONE".
337 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
339 * gcc.c (execute): Enable -pipe with win32.
341 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
343 * config/arm/t-arm-elf: Add multiplib option for leading
346 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
347 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
349 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
350 than variable 'reload_address_base_reg_class'. [Note this
351 change is unrelated to the others in this patch].
353 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
356 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
358 * alias.c (record_alias_subset): Remove ignored `&'.
359 (init_alias_once): Likewise.
361 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
363 * config/mips/mips.c (mips_asm_file_end): Cast the result of
364 fwrite to `int' when comparing against one.
366 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
367 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
369 * cse.c (rehash_using_reg): Change type of variable `i' to
372 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
375 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
377 * final.c (final_scan_insn): Likewise for variable `i'.
378 (output_asm_insn): Cast a char to unsigned char when used as an
381 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
384 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
386 * recog.c (preprocess_constraints): Cast a char to unsigned char
387 when used as an array index.
389 * regmove.c (find_matches): Likewise.
391 * reload1.c (calculate_needs): Add default case in switch.
392 (eliminate_regs_in_insn): Initialize variable `offset'.
393 (set_offsets_for_label): Change type of variable `i' to unsigned.
394 (reload_as_needed): Wrap variable `i' in macro check on
395 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
397 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
398 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
399 when comparing against one.
401 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
402 unsigned when comparing against one. Likewise for
403 GET_MODE_ALIGNMENT().
404 (layout_record): Cast record_align to int when comparing against a
406 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
409 * tree.c (get_identifier): Cast variable `len' to unsigned when
410 comparing against one.
411 (maybe_get_identifier): Likewise
413 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
415 * toplev.c (rest_of_compilation): Do not set reload_completed.
416 * reload1.c (reload): Set reload_completed before calling
417 cleanup_subreg_operands.
419 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
421 * reload1.c (emit_reload_insns): Check `set' not null before use.
423 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
425 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
428 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
430 * halfpic.c (half_pic_encode): Delete redundant code.
432 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
434 * toplev.c (main): Delete handling of -dM as a preprocessor
437 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
439 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
440 -dI, which are handled by the preprocessor.
442 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
444 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
445 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
447 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
449 * version.c: Bump for snapshot.
451 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
453 * version.c: Bump for snapshot.
455 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
457 * version.c: Bump for snapshot.
459 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
461 * genattr.c (fatal): Qualify a char* with the `const' keyword.
463 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
464 write_unit_name, write_eligible_delay, expand_units,
465 make_length_attrs, write_attr_case, find_attr,
466 make_internal_attr): Likewise.
467 * gencheck.c (tree_codes): Likewise.
468 * gencodes.c (fatal): Likewise.
469 * genconfig.c (fatal): Likewise.
470 * genemit.c (fatal): Likewise.
471 * genextract.c (fatal, walk_rtx, copystr): Likewise.
472 * genflags.c (fatal): Likewise.
473 * genopinit.c (fatal, optabs, gen_insn): Likewise.
474 * genoutput.c (fatal, error, predicates): Likewise.
475 * genpeep.c (fatal): Likewise.
476 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
477 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
479 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
481 * configure.in (with-fast-fixincludes): Fix whitespace.
482 * configure: Rebuilt.
484 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
485 asm() etc. function declarations in __DECC.
487 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
489 * expr.c (emit_move_insn_1): Only emit a clobber if the target
490 is a pseudo register.
492 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
494 * gcse.c: Include expr.h in order to get the prototype for
495 get_condition() which is used in delete_null_pointer_checks().
497 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
499 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
501 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
503 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
504 (ALL_CFLAGS): Delete SCHED_CFLAGS.
506 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
508 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
511 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
513 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
514 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
515 optimizations from the combiner.
517 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
519 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
521 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
523 * toplev.c (main): Disable optimize_size if a specific
524 optimization level is requested. Always set optimization
525 level to 2 if -Os is specified.
527 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
529 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
531 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
532 initialize it using fname.
534 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
536 * cpplib.c (do_include): Treat #include_next in the
537 primary source file as #include plus warning. Treat
538 #include_next in a file included by absolute path as an
539 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
541 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
543 * cccp.c: Don't define MIN/MAX anymore.
544 * cpplib.c: Likewise.
545 * machmode.h: Likewise.
546 * system.h: Provide definitions for MIN/MAX.
548 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
550 * fix-header.c: Don't define xstrdup here.
552 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
554 * loop.c (consec_sets_giv): New argument last_consec_insn.
555 (strength_reduce): Provide / use it.
557 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
559 * loop.h (loop_info): New field 'vtop'.
560 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
561 scanning loop for vtop.
562 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
563 (loop_iterations): Use them to determine if loop has a constant
564 number of iterations. Set loop_info->vtop. Don't subtract
565 common reg term from initial_value and final_value if have a
568 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
570 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
572 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
574 * mn10200.md (abssf2, negsf2): New expanders.
576 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
578 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
580 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
581 replaced by a CONCAT whoes components do not have the same
582 mode as the original SUBREG, use a new SUBREG to restore the
585 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
586 multiword complex values.
588 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
590 * cppalloc.c: Add xstrdup here.
591 * cpplib.h: Remove savestring prototype.
592 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
594 * cppfiles.c: s/savestring/xstrdup/ throughout.
596 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
598 * cpplib.c: Make all directive handlers read their own
600 (struct directive): Remove last two arguments from FUNC
601 member prototype. Remove `command_reads_line' member
603 (directive_table): Remove initializations of
604 command_reads_line flag. Pretty-print.
605 (eval_if_expression, do_define, do_line, do_include,
606 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
607 do_else, do_elif, do_sccs, do_assert, do_unassert,
608 do_warning): Take only two args.
610 (cpp_define): Call do_define with two args and the text to
611 define stuffed into a buffer.
612 (make_assertion): Call do_assert with two args.
613 (handle_directive): Call do_line with two args. Call
614 kt->func with two args. Remove command_reads_line
616 (do_define, do_undef, do_error, do_warning, do_pragma,
617 do_sccs): Read the rest of the line here.
618 (do_ident): Gobble rest of line, as cccp does.
619 (cpp_undef): New function.
620 (cpp_start_read): Call cpp_undef instead of do_undef.
622 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
624 * cpphash.h (union hash_value): Remove `keydef' member, add a
625 `struct hashnode *aschain' member for #assert.
627 * cpplib.c (struct tokenlist_list, struct
628 assertion_hashnode): Delete structure definitions.
629 (assertion_install, assertion_lookup, delete_assertion,
630 check_assertion, compare_token_lists, reverse_token_list,
631 read_token_list, free_token_list): Delete functions.
632 (parse_assertion): New function.
633 (cpp_cleanup): Don't destroy the assertion_hashtable.
635 (do_assert): Gut and rewrite. #assert foo (bar) places
636 entries for `#foo' and `#foo(bar)' in the macro hash table,
637 type T_ASSERT. The value union's `aschain' member is used
638 to chain all answers for a given predicate together.
639 (do_unassert): Also rewritten. Take an un-asserted
640 answer off the chain from its predicate and call
641 delete_macro on the hashnode, or walk a predicate chain
642 calling delete_macro on all the entries.
643 (cpp_read_check_assertion): Simply call parse_assertion to
644 get the canonical assertion name, and look that up in the
647 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
650 * cpphash.c (install): Use bcopy instead of an explicit loop
651 to copy the macro name.
653 * cppexp.c (cpp_lex): Convert the result of
654 cpp_read_check_assertion to a `struct operation' directly;
655 don't go through parse_number.
657 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
659 * loop.h (struct induction): Delete times_used member.
660 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
661 (n_times_used): Rename to n_times_set. Changed all users.
662 (scan_loop): Free reg_single_usage before strength reduction.
663 (record_giv, combine_givs): Remove handling of times_used member.
664 (combine_givs_used_once): Rename to:
665 (combine_givs_used_by_other) . Changed all callers.
667 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
669 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
670 instead of TREE_CODE_CLASS == 't'.
671 (gen_type_die): Likewise.
672 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
674 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
676 * real.c (endian): Disable last change unless
677 HOST_BITS_PER_WIDE_INT is greater than 32.
679 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
681 * output.h (force_data_section): New prototype.
682 * varasm.c (force_data_section): New function to force the
683 data section, regardless of what in_section thinks.
684 * dwarf2out.c (output_call_frame_info): Call force_data_section
685 since varasm may not realize we've changes sections.
687 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
689 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
690 after completeing reload.
692 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
693 deleted after reload.
695 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
697 * rtl.h (multiple_sets): Fix prototype.
698 * rtlanal.c (multiple_sets): Fix return type.
700 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
702 * version.c: Bump for snapshot.
704 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
706 * version.c: Bump for snapshot.
708 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
710 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
712 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
714 * rtl.h (recompute_reg_usage): Add second argument.
715 * flow.c (recompute_reg_usage): Likewise.
716 * toplev.c (rest_of_compilation): Supply second argument to
719 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
722 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
724 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
725 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
726 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
729 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
731 * rtlanal.c (multiple_sets): New function.
732 * rtl.h (multiple_sets): Declare it.
733 * local-alloc.c (wipe_dead_reg): Use it.
734 * global.c (global_conflicts): Likewise.
736 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
738 * global.c (record_conflicts): Don't use an array of shorts to
739 store an array of ints.
740 (global_conflicts): Likewise.
742 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
744 * alpha.c (alpha_expand_block_move): mode_for_size expects
745 bits, not bytes. Infer extra alignment from addressof.
747 1998-12-11 Michael Meissner <meissner@cygnus.com>
749 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
750 .sbss section, not .sdata.
752 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
754 * cccp.c: Do not #include <sys/stat.h> here; this is already done
756 * collect2.c: Likewise.
757 * cpplib.h: Likewise.
760 * getpwd.c: Likewise.
761 * protoize.c: Likewise.
762 * toplev.c: Likewise.
764 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
765 and don't try to define it here.
766 * Makefile.in (cppmain.o): Depend on machmode.h.
767 (cpplib.o): Likewise.
768 (cpperror.o): Likewise.
769 (cppexp.o): Likewise.
770 (cppfiles.o): Likewise.
771 (cpphash.o): Likewise.
772 (cppalloc.o): Likewise.
773 (fix-header.o): Likewise.
774 (scan-decls.o): Likewise.
776 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
778 * sh.c (print_operand): lookup interrupt_handler attribute instead
779 of relying on static variable.
780 * (calc_live_regs): Likewise.
781 * (sh_pragma_insert_attributes): Create interrupt_handler
782 attribute if a pragma was specified
783 * (sh_valid_machine_decl_attribute): Don't set static flag.
784 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
786 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
788 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
789 to determine if a register is live at a jump destination.
790 Everything is dead at a BARRIER.
792 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
794 * cse.c (simplify_unary_operation): Sign-extend constants when
795 they have the most significant bit set for the target.
796 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
798 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
799 HOST_WIDE_INT temporary before negating it.
800 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
802 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
804 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
807 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
809 * collect2.h: New header file for prototypes.
811 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
813 * collect2.c: Include collect2.h.
816 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
818 * flow.c: Update some comments.
820 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
822 * objc/objc-act.c (cpp_initialized): Removed.
823 (lang_init_options): Initialize cpplib.
824 (lang_decode_option): Move initialization of cpplib to
826 * c-lang.c: (parse_options,parse_in): Added.
827 (lang_init_options): Initialized cpplib here.
828 * c-decl.c (parse_options,cpp_initialized): Removed.
829 (c_decode_option): Move initialization of cpplib to
832 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
834 * reload1.c (reload_combine, reload_combine_note_store):
835 Make STORE_RUID always valid.
836 (reload_combine): Check if BASE is clobbered too early.
838 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
840 * reload.c (find_reloads): Display the insn that cannot be
843 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
845 * cccp.c (create_definition): Fix end of bufer logic.
847 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
849 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
850 pointer parameters changed to use the PARAMS() macro.
852 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
854 * except.h (struct handler_info): Add handler_number field.
855 * except.c (gen_exception_label): EH labels no longer need to be
856 on the permanent obstack.
857 (get_new_handler): Set the label number field.
858 (output_exception_table_entry): Regenerate handler label reference
859 from the label number field.
860 (init_eh): Remove a blank line.
861 * integrate.c (get_label_from_map): Labels no longer need to be
862 on the permanent obstack.
864 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
866 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
867 only when OUTER_CODE is SET.
869 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
871 * loop.c (strength_reduce): If scan_start points to the loop exit
872 test, be wary of subversive use of gotos inside expression statements.
873 Don't set maybe_multiple for a backward jump that does not
874 include the label under consideration into its range.
875 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
877 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
879 * explow.c (plus_constant_wide): Don't immediately return with
880 result of recursive call.
882 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
884 * eh-common.h (struct eh_context): Add table_index for rethrows.
886 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
887 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
888 processed when inlined or unrolled (ie duplicated in some way).
890 * rtl.c (reg_note_name): Add strings for new reg_note enums.
892 * expr.h (rethrow_libfunc): New library decl.
894 * optabs.c (rethrow_libfunc): Initialize.
896 * except.h (struct eh_entry): Add new field 'rethrow_label'.
897 (new_eh_region_entry): No longer exported from except.c.
898 (duplicate_handlers): Renamed to duplicate_eh_handlers and
900 (rethrow_symbol_map, rethrow_used): New exported functions.
901 (eh_region_from_symbol): New exported function.
903 * except.c (create_rethrow_ref): New function to create a single
904 SYMBOL_REF for a rethrow region.
905 (push_eh_entry): Initialize a rethrow ref.
906 (func_eh_entry): Add a rethrow_label field.
907 (new_eh_region_entry): Make static, and initialize the rethrow entry.
908 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
909 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
910 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
911 a region into an appropriate new symbol.
912 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
913 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
914 (end_catch_handler): Emit a barrier for new-exceptions since
915 control can never drop through the end of a catch block.
916 (expand_end_all_catch): new-exceptions never fall through a catch
918 (expand_rethrow): use __rethrow routine for new exceptions.
919 (output_exception_table_entry): Generate rethrow labels, if needed.
920 (output_exception_table): Generate start and end rethrow labels.
921 (init_eh): Create rethrow symbols for beginning and end of table.
922 (scan_region): Don't eliminate EH regions which are the targets of
925 * flow.c (make_edges): Add different edges for rethrow calls,
926 identified by having the REG_EH_RETHROW reg label.
927 (delete_unreachable_blocks): Don't delete regions markers which are
928 the target of a rethrow.
930 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
931 allow save_for_inline_copying to call duplicate_eh_handlers.
932 (save_for_inline_copying): Call duplicate_eh_handlers instead of
933 exposing internal details of exception regions.
934 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
935 (expand_inline_function_eh_labelmap): New callback routine to
936 allow expand_inline_function to call duplicate_eh_handlers.
937 (expand_inline_function): Call duplicate_eh_handlers instead of
938 exposing internal details of exception regions.
939 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
942 * libgcc2.c (find_exception_handler): Generalize to enable it to
943 pick up processing where it left off last time for a rethrow.
944 (__unwinding_cleanup): New function. debug hook which is called before
945 unwinding when __throw finds there is nothing but cleanups left.
946 (throw_helper): Common parts of __throw extracted out for reuse.
947 (__throw): Common parts moved to throw_helper.
948 (__rethrow): New function for performing rethrows.
950 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
952 * reload1.c (current_function_decl): Tweak declaration.
954 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
956 * c-decl.c (flag_isoc9x): Default off.
957 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
958 * cccp.c (print_help, main): Likewise.
959 * gcc.c (default_compilers): Update for -std=gnu*.
961 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
963 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
964 * demangle.h: Deleted.
966 * reload1.c (current_function_decl): Declare.
968 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
970 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
972 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
974 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
976 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
978 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
980 * configure: Rebuilt.
981 * system.h: If the *_unlocked functions are available use them
982 instead of the locked counterparts by defining macros.
983 * config.in: Regenerated.
985 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
987 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
988 wrong and should only be used for dump related things, not
989 debugging information, instead main_input_filename should be used.
990 Also, reuse output_file_directive if possible.
991 * i386/aix386ng.h (ASM_FILE_START): Likewise.
992 * i386/isc.h (ASM_FILE_START): Likewise.
993 * i386/win-nt.h (ASM_FILE_START): Likewise.
994 * i386/sun386.h (ASM_FILE_START): Likewise.
996 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
998 * configure.in (mips*-*-linux*): Handle big and little endian
1000 * configure: Rebuilt.
1002 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1004 * emit-rtl.c: Fix typo.
1006 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1008 * reload1.c (eliminate_regs): Don't do anything, if we're not
1011 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1013 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1015 * mips/mips.c (mips_select_section): Add comment.
1017 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1019 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1020 characters in file names in #line to be consistent with #include
1021 handling. We support escape prcessing in the # 1 "..." version of
1022 the command. See also support in cp/lex.c.
1023 (handle_directive): Likewise.
1024 (do_line): Likewise.
1026 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1028 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1029 so it'll work on non-ASCII platforms. Always consider $ an
1030 identifier character. Take no arguments.
1031 (cpp_reader_init): Call initialize_char_syntax with no
1033 (cpp_start_read): Don't call initialize_char_syntax again.
1034 Clear is_idchar['$'] and is_idstart['$'] if not
1035 opts->dollars_in_ident.
1037 * cpplib.h (struct cpp_reader): Replace void *data element by
1038 cpp_options *opts. Rearrange elements to make gdb printout
1039 less annoying (put buffer stack at end).
1040 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1042 * cppmain.c: s/data/opts/ when initializing cpp_reader
1044 * c-decl.c: Likewise.
1045 * objc/objc-act.c: Likewise.
1046 * fix-header.c: Likewise.
1048 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1050 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1051 with a struct file_name_list pointer.
1052 (struct cpp_reader): Add pointer to chain of `actual
1053 directory' include searchpath entries.
1054 (struct file_name_list): Add *alloc pointer for the sake of
1055 the actual-directory chain.
1057 Move definition of HOST_WIDE_INT here.
1058 (cpp_parse_escape): Change prototype to match changes in
1061 * cppfiles.c (actual_directory): New function.
1062 (finclude): Use it to initialize the buffer's actual_dir
1064 (find_include_file): We don't need to fix up max_include_len
1067 * cpplib.c (do_include): Don't allocate a file_name_list on
1068 the fly for current directory "" includes, use the one that's
1069 been preallocated in pfile->buffer->actual_dir. Hoist out
1070 duplicate code from the search_start selection logic.
1071 (cpp_reader_init): Initialize pfile->actual_dirs.
1073 Remove definition of HOST_WIDE_INT. Change calls
1074 to cpp_parse_escape to match changes in cppexp.c (note
1075 hardcoded MASK, which is safe since this is the source
1078 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1079 to handle wide character constants in #if directives. The
1080 function now returns a HOST_WIDE_INT, and takes a third
1081 argument which is a binary mask for all legal values (0x00ff
1082 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1083 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1084 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1086 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1088 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1090 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1092 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1093 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1094 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1096 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1098 * final.c (output_asm_name): Use tabs to seperate comments from
1101 Include instruction lengths (if defined) in output.
1103 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1105 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1106 in the loop_info structure.
1108 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1110 * configure.in: (arm*-*-ecos-elf): New target.
1111 * configure: Regenerated.
1112 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1113 * config/arm/ecos-elf.h: New file.
1114 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1117 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1119 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1121 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1123 * version.c: Bump for snapshot.
1125 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1127 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1130 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1132 * version.c: Bump for snapshot.
1134 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1136 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1137 compressed reports are ok and preferred over URLs
1139 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1141 * invoke.texi (Warning Options): Soften the tone of -pedantic
1143 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1145 * print-rtl.c (print_rtx): Add prototype.
1147 * unroll.c (iteration_info): Make it static.
1149 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1151 * alias.c (memrefs_conflict_p): A second ANDed address
1152 disables the aligned address optimization.
1154 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1156 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1159 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1161 * i960.h (BOOL_TYPE_SIZE): Define.
1163 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1165 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1166 from old valid_parallel_operands_4.
1167 (valid_parallel_operands_4): Check that operands for 4 operand
1168 parallel insns are valid, excluding load/store insns.
1169 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1170 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1171 valid_parallel_load_store instead of valid_parallel_operands_4.
1172 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1173 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1174 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1175 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1176 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1177 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1178 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1180 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1182 * config/c4x/c4x.c (iteration_info): Delete extern.
1184 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1186 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1188 * final.c (cleanup_subreg_operands): Delete some unused code.
1190 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1191 (struct insn_alternative): New structure definition.
1192 (recog_op_alt): Declare variable.
1193 (preprocess_constraints): Declare function.
1194 * recog.c (recog_op_alt): New variable.
1195 (extract_insn): Verify number of alternatives is in range.
1196 (preprocess_constraints): New function.
1197 * reg-stack.c: Include recog.h.
1198 (constrain_asm_operands): Delete.
1199 (get_asm_operand_lengths): Delete.
1200 (get_asm_operand_n_inputs): New function.
1201 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1202 N_OUTPUTS args. All callers changed.
1203 Compute number of inputs and outputs here by calling
1204 get_asm_operand_n_inputs.
1205 Instead of constrain_asm_operands, call extract_insn,
1206 constrain_operands and preprocess_constaints. Use information
1207 computed by these functions throughout.
1208 (record_reg_life): Delete code that is unused due to changes in
1209 record_asm_reg_life.
1210 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1211 N_INPUTS and N_OUTPUTS args. All callers changed.
1212 Similar changes as in record_asm_reg_life.
1213 (subst_stack_regs): Move n_operands declaration into the if statement
1215 Delete code that is unused due to changes in subst_asm_stack_regs.
1216 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1218 * Makefile.in (reg-stack.o): Depend on recog.h.
1220 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1222 * except.c (set_exception_version_code): Argument is an "int".
1224 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1226 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1227 * configure: Rebuilt.
1229 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1231 * configure.in (mipsel-*-linux*): New target.
1232 * mips/linux.h: New file, based on other Linux targets.
1234 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1236 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1237 runs in the context of the deleter, not the deletee, so we must
1238 use taskVarGet to find the correct memory to free.
1239 (__gthread_key_create): Initialize the task
1240 variable subsystem so that the task variable is still active when
1241 the delete hook is run.
1243 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1245 * pdp11.h: Use optimize_size for space optimizations.
1246 * pdp11.c: Likewise.
1247 * pdp11.md: Likewise.
1249 * pdp11.h (TARGET_40_PLUS): Fix typo.
1251 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1253 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1256 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1258 * alias.c (addr_side_effect_eval): New function.
1259 (memrefs_conflict_p): Use it.
1260 * rtl.h (addr_side_effect_eval): Prototype it.
1262 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1264 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1266 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1268 * reload.c (find_reloads): When force const to memory, put result
1269 in substed_operand not *recog_operand_loc.
1271 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1273 * c-lex.c: Fix indentation from last patch.
1274 Remove trailing whitespace.
1277 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1279 * flow.c (delete_block): Call set_last_insn after we have reset
1280 NEXT_INSN (kept_tail).
1282 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1284 * mips.md (trap_if): Use "$0" for the value zero.
1286 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1287 Stephen L Moshier <moshier@world.std.com>
1288 Richard Henderson <rth@cygnus.com>
1290 * c-common.c (declare_function_name): Declare predefinied variable
1293 * c-decl.c (flag_isoc9x): Set to 1 by default.
1294 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1295 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1297 * c-parse.in: Allow constructors in ISO C 9x.
1298 Rewrite designator list handling.
1299 Allow [*] parameters.
1300 Don't warn about comma at end of enum definition for ISO C 9x.
1302 * cccp.c (c9x): New variable.
1303 (rest_extension): New variable.
1304 (print_help): Document new -std= option.
1305 (main): Recognize -std= option. Set c9x appropriately.
1306 (create_definition): Recognize ISO C 9x vararg macros.
1308 * gcc.c (default_compilers): Adjust specs for -std options.
1309 (option_map): Add --std.
1310 (display_help): Document -std.
1312 * toplev.c (documented_lang_options): Add -std and remove
1315 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1316 or REAL_VALUE_HTOF based on base of the constants.
1317 * fold-const.c (real_hex_to_f): New function. Replacement function
1318 for hex FP conversion if REAL_ARITHMETIC is not defined.
1319 * real.c (asctoeg): Add handling of hex FP constants.
1320 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1323 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1325 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1326 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1327 expansion. Use hi/lo as destination register.
1329 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1330 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1331 Avoid as macro expansion. Use hi/lo as destination register.
1333 * mips.h (MASK_CHECK_RANGE_DIV): New.
1334 (MASK_NO_CHECK_ZERO_DIV): New.
1335 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1336 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1337 return address for leaf functions out of r31 to support
1338 builtin_return_address.
1340 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1342 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1343 NEXT_INSN(x) to check insn x.
1345 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1347 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1348 last insn in the rtl chain.
1350 * reload1.c (reload): Do not set reload_completed or split insns
1352 * toplev.c (rest_of_compilation): Set reload_completed after
1353 reload returns. Split insns after reload_cse has run.
1355 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1357 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1359 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1361 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1363 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1365 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1366 use of user-label_prefix.
1368 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1370 * reload1.c (emit_reload_insns): Clear spill_reg_store
1371 when doing a new non-inherited reload from the same pseudo.
1373 * local-alloc.c (function_invariant_p): New function.
1374 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1375 to decide if an equivalence should be recorded.
1376 * reload1.c (num_eliminable_invariants): New static variable.
1377 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1378 to decide if an equivalence should be recorded.
1380 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1381 Take num_eliminable_invariants into account when deciding
1382 if register elimination should be done.
1383 (reload_as_needed): Take num_eliminable_invariants into account
1384 when deciding if register elimination should be done.
1385 (eliminate_regs): Handle non-constant reg_equiv_constant.
1386 * rtl.h (function_invariant_p): Declare.
1388 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1390 * version.c: Bump for snapshot.
1392 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1394 * version.c: Bump for snapshot.
1396 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1398 * except.c (add_new_handler): Complain about additional handlers
1399 after one that catches everything.
1401 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1403 * configure.in (alpha*-*-netbsd): Fix typo.
1404 * configure: Rebuilt.
1406 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1408 * system.h: Include libiberty.h.
1410 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1411 function `concat' from fixed parameters to variable parameters,
1412 as is done in libiberty. All callers of concat/concat3
1413 changed to use the new `concat' with variable args.
1415 * cccp.c: Remove things made redundant by libiberty.h and/or
1416 conform to libiberty standards.
1418 * collect2.c: Likewise.
1419 * config/1750a/1750a.h: Likewise.
1420 * cppalloc.c: Likewise.
1421 * cppexp.c: Likewise.
1422 * cppfiles.c: Likewise.
1423 * cpphash.c: Likewise.
1424 * cpplib.c: Likewise.
1425 * dyn-string.c: Likewise.
1426 * fix-header.c: Likewise.
1429 * genattr.c: Likewise.
1430 * genattrtab.c: Likewise.
1431 * gencheck.c: Likewise.
1432 * gencodes.c: Likewise.
1433 * genconfig.c: Likewise.
1434 * genemit.c: Likewise.
1435 * genextract.c: Likewise.
1436 * genflags.c: Likewise.
1437 * gengenrtl.c: Likewise.
1438 * genopinit.c: Likewise.
1439 * genoutput.c: Likewise.
1440 * genpeep.c: Likewise.
1441 * genrecog.c: Likewise.
1442 * getpwd.c: Likewise.
1443 * halfpic.c: Likewise.
1445 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1446 in NEED_DECLARATION_* macros.
1448 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1449 conform to libiberty standards.
1450 (fatal): Fix const-ification of variable `format' in
1451 !ANSI_PROTOTYPES case.
1453 * prefix.c: Remove things made redundant by libiberty.h and/or
1454 conform to libiberty standards.
1456 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1457 conflicting with function `spaces' from libiberty.
1459 * profile.c: Remove things made redundant by libiberty.h and/or
1460 conform to libiberty standards.
1461 * protoize.c: Likewise.
1464 * tlink.c: Likewise.
1465 * toplev.c: Likewise.
1466 * toplev.h: Likewise.
1469 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1471 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1473 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1475 * README.C4X: Updated URLs.
1476 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1477 (valid_parallel_operands_5): Remove unused variable.
1479 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1481 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1483 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1485 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1486 which can be configured.
1487 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1488 (Makefile): Pass actual LANGUAGES through the environment when
1490 (cstamp-h): Likewise.
1491 (config.status): Likewise.
1493 * configure.in (enable_languages): Add new configuration parameter
1494 "--enable-languages=lang1,lang2,...".
1495 (${srcdir}/*/config-lang.in): Change handling to configure only
1496 those directories, that the user might have enabled; default to
1497 "all" existing languages.
1498 * configure: Regenerate.
1500 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1502 * rtlanal.c (regs_set_between_p): New function.
1503 * rtl.h (regs_set_between_p): Prototype it.
1504 * jump.c (jump_optimize): Use it instead of modified_between_p
1505 in the Sep 2 change.
1507 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1508 Matthias Pfaller <leo@dachau.marco.de>
1510 * invoke.texi (Option Summary, NS32K Options): add description
1511 of NS32K specific options.
1513 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1514 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1515 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1516 negdf2, absdf2): Use l instead of f since the double class and
1517 float class are no longer the same.
1518 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1519 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1520 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1521 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1523 (cmpsi, cmphi, cmpqi): use general_operand instead of
1524 non_immediate_operand. Removes erroneous assumption that can't
1526 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1527 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1529 (movstrsi, movstrsi1, movstrsi2): completely new block move
1531 (...): Patterns to exploit multiply-add instructions.
1532 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1533 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1534 patterns to exploit extended divide insns.
1535 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1538 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1539 float return values as well as simple scalar floats.
1540 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1541 support new flag to denote 32381 fpu.
1542 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1543 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1545 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1546 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1547 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1548 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1549 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1550 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1551 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1552 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1553 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1554 fpu registers and special register classes for new 32381
1555 instructions dotf and polyf.
1556 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1558 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1559 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1561 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1562 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1563 (REGISTER_MOVE_COST): move code to register_move_cost function for
1564 ease of coding and debugging.
1565 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1566 LONG_FLOAT_REGO is likely spilled but not caught by default
1568 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1569 instead of hard coded numbers in range check.
1570 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1571 (...): Add prototypes for functions in ns32k.c but disable because
1572 of problems when ns32k.h is included in machine independant files.
1574 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1575 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1576 hard_regno_mode_ok, secondary_reload_class,
1577 print_operand, print_operand_address): new register scheme to
1578 include 32381 fpu registers and special register classes for new
1579 32381 instructions dotf and polyf.
1580 (gen_indexed_expr): Make static to keep namespace clean.
1581 (check_reg): remove since never called.
1582 (move_tail, expand_block_move): helper functions for "movstrsi"
1584 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1585 Increase cost of moves which go via memory.
1586 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1587 (CPP_PREDEFINES): nolonger predefine "unix".
1589 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1590 Remove erroneous %$. print_operand() can work out from the rtx is
1591 an immediate prefix is required.
1593 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1594 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1595 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1597 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1600 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1601 Correct handling of pic operands.
1602 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1603 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1604 -mrtd calling convention.
1606 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1608 * gcc.c (option_map): Recognize --output-class-directory.
1610 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1612 * loop.h (precondition_loop_p): Added new mode argument.
1613 * unroll.c (precondition_loop_p): Likewise.
1614 (approx_final_value): Function deleted and subsumed
1615 into loop_iterations.
1616 (loop_find_equiv_value): New function.
1617 (loop_iterations): Use loop_find_equiv_value to find increments
1618 too large to be immediate constants. Also use it to find terms
1619 common to initial and final iteration values that can be removed.
1621 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1623 * loop.h (struct loop_info): Define new structure.
1624 (precondition_loop_p): Added prototype.
1625 (unroll_loop): Added new argument loop_info to prototype.
1626 (final_biv_value, final_giv_value): Added new argument n_iterations
1628 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1629 and new pointer loop_info.
1630 (loop_n_iterations): Replace global variable by element in
1631 loop_info structure.
1632 (check_final_value): New argument n_iterations.
1633 (insert_bct): New argument loop_info.
1634 (loop_unroll_factor): Replace global array by element in
1635 loop_info structure.
1636 (loop_optimize): Remove code to allocate and initialise
1637 loop_unroll_factor_array.
1638 * unroll.c (precondition_loop_p): No longer static since
1639 used by branch on count optimization.
1640 (precondition_loop_p, unroll_loop): New argument loop_info.
1641 (final_biv_value, final_giv_value, find_splittable_regs): New
1642 argument n_iterations.
1643 (loop_iteration_var, loop_initial_value, loop_increment,
1644 loop_final_value, loop_comparison_code, loop_unroll_factor):
1645 Replaced global variables by loop_info structure.
1646 (loop_unroll_factor): Replace global array by element in
1647 loop_info structure.
1649 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1651 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1654 * unroll.c (precondition_loop_p): Return loop_initial_value
1655 for initial_value instead of loop_iteration_var.
1657 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1659 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1660 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1661 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1662 to output the instruction sequences.
1664 (rptb_top): Provide alternatives to use any register or memory
1666 (rptb_end): Emit use of operands rather than assigning them
1667 explicitly to the RS and RE registers.
1669 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1671 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1672 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1673 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1674 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1675 c4x_merge_notes, c4x_parallel_process,
1676 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1677 c4x_combine_parallel): Delete.
1679 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1681 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1682 with old target options clear flag_branch_on_count_reg if
1683 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1685 (c4x_output_cbranch): Handle a sequence of insns rather than a
1687 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1688 has not been allocated as the loop counter.
1689 (c4x_address_conflict): Do not allow two volatile memory references.
1690 (valid_parallel_operands_4, valid_parallel_operands_5,
1691 valid_parallel_operands_6): Reject pattern if the register destination
1692 of the first set is used as part of an address in the second set.
1694 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1696 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1697 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1698 is no longer enabled if PARALLEL_MPY_FLAG set.
1699 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1700 (REG_CLASS_CONTENTS): Add braces around initializers.
1701 (HAVE_MULTIPLE_PACK): Define.
1702 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1703 REAL_VALUE_TO_DECIMAL.
1704 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1705 REAL_VALUE_TO_DECIMAL.
1706 (ar0_reg_operand): Add prototype.
1707 (ar0_mem_operand): Likewise.
1708 (ar1_reg_operand): Likewise.
1709 (ar1_mem_operand): Likewise.
1710 (ar2_reg_operand): Likewise.
1711 (ar2_mem_operand): Likewise.
1712 (ar3_reg_operand): Likewise.
1713 (ar3_mem_operand): Likewise.
1714 (ar4_reg_operand): Likewise.
1715 (ar4_mem_operand): Likewise.
1716 (ar5_reg_operand): Likewise.
1717 (ar5_mem_operand): Likewise.
1718 (ar6_reg_operand): Likewise.
1719 (ar6_mem_operand): Likewise.
1720 (ar7_reg_operand): Likewise.
1721 (ar7_mem_operand): Likewise.
1722 (ir0_reg_operand): Likewise.
1723 (ir0_mem_operand): Likewise.
1724 (ir1_reg_operand): Likewise.
1725 (ir1_mem_operand): Likewise.
1726 (group1_reg_operand): Likewise.
1727 (group1_mem_operand): Likewise.
1728 (ir1_reg_operand): Likewise.
1729 (arx_reg_operand): Likewise.
1730 (not_rc_reg): Likewise.
1731 (not_modify_reg): Likewise.
1732 (c4x_group1_reg_operand): Remove prototype.
1733 (c4x_group1_mem_operand): Likewise.
1734 (c4x_arx_reg_operand): Likewise.
1736 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1738 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1739 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1741 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1743 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1746 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1748 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1749 unless FMOVD_WORKS is defined.
1751 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1753 * regclass.c (init_reg_sets): Move code that calculates tables
1754 dependent on reg_class_contents from here...
1755 (init_reg_sets_1): To here.
1757 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1759 * cpplib.h: Delete struct import_file. Add ihash element to
1760 struct cpp_buffer. Delete dont_repeat_files and
1761 import_hash_table elements from cpp_reader; change
1762 all_include_files to a hash table. Delete all foobar_include
1763 / last_foobar_include elements from struct cpp_options; put
1764 back four such: quote_include, bracket_include,
1765 system_include, after_include. Redo struct file_name_list
1766 completely. Add new structure type include_hash. Add
1767 prototypes for merge_include_chains and include_hash. Change
1768 prototypes for finclude, find_include_file, and
1769 append_include_chain to match changes below.
1771 * cppfiles.c (simplify_pathname, include_hash,
1772 remap_filename, merge_include_chains): New functions.
1773 (add_import, lookup_import, open_include_file): Removed.
1774 (INO_T_EQ): Define this (copied from cccp.c).
1775 (hack_vms_include_specification): Remove all calls and #if 0
1776 out the definition. It was being called incorrectly and at
1777 the wrong times. Until a VMSie can look at this, it's better
1778 to not pretend to support it.
1779 (append_include_chain): Change calling convention; now takes
1780 only one directory at a time, and sets up the data structure
1782 (redundant_include_p): Rewritten - this is now used for all
1783 include redundancy, whether by #ifndef, #import, or #pragma
1784 once. Looks up things in the include hash table.
1785 (file_cleanup): Decrement pfile->system_include_depth here if
1787 (find_include_file): Calling convention changed; now passes
1788 around a struct include_hash instead of 3 separate parameters.
1789 Guts ripped out and replaced with new include_hash mechanism.
1790 (finclude): Calling convention changed as for
1791 find_include_file. Error exits pulled out-of-line. Reformat.
1792 (safe_read): Return a long, not an int.
1793 (deps_output): Don't recurse.
1795 * cpplib.c (is_system_include): Deleted.
1796 (path_include): Fix up call to append_include_chain.
1797 (do_include): Fix up calls to find_include_file and finclude.
1798 Clean up dependency output a bit. Shorten obnoxiously lengthy
1799 #import warning message. Don't decrement
1800 pfile->system_include_depth here.
1801 (do_pragma): Understand the include_hash structure. Reformat.
1802 (do_endif): Correct handling of control macros. Understand
1804 (cpp_start_read): Fix up calls to finclude. Call
1805 merge_include_chains.
1806 (cpp_handle_option): Fix up calls to append_include_chain.
1807 Understand the four partial include chains.
1808 (cpp_finish): Add debugging code (#if 0-ed out) for the
1810 (cpp_cleanup): Free the include_hash, not the import hash and
1811 the all_include and dont_repeat lists which no longer exist.
1813 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1815 * toplev.c (no_new_pseudos): Define.
1816 (rest_of_compilation): Set no_new_pseudos as needed.
1817 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1818 if no_new_pseudos is set.
1819 * rtl.h (no_new_pseudos): Declare it.
1820 * reload1.c (reload): Update comments.
1821 * md.texi: Corresponding changes.
1823 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1825 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1826 (choose_reload_regs): Rename it here as well. When computing it,
1827 also merge in used hardregs.
1829 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1831 * gcc.c: Split out Objective-C specs to...
1832 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1835 * c-lex.c (init_parse): Always initialize the filename global.
1836 * objc/objc-act.c (lang_init): Always call check_newline at
1839 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1841 * reload1.c (reload): Remove unused variable.
1842 (reload_reg_free_for_value_p): Add missing parameter definition.
1844 * jump.c (jump_optimize): Remove unused variable.
1846 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1848 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1850 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1852 * expr.c (move_by_pieces): Similarly.
1853 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1854 * flow.c (find_auto_inc): Similarly.
1855 (try_pre_increment): Similarly.
1856 * loop.c (strength_reduce): Similarly.
1857 * regclass.c (auto_inc_dec_reg_p): Similarly.
1858 * regmove.c (try_auto_increment): Similarly.
1859 (fixup_match_1): Similarly.
1860 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1861 (HAVE_PRE_DECREMENT): Similarly.
1862 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1863 * Corresponding changes to all target header files.
1864 * tm.texi: Update docs for autoinc addressing modes.
1866 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1868 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1869 * configure: Rebuild.
1870 * config/elfos.h: New file.
1871 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1872 config/m68k/t-m68kelf: New file.
1874 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1876 * Makefile.in (HOST_AR): Define.
1877 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1878 (libcpp.a): Use the host tools explicitly.
1879 (STAGESTUFF): Add libcpp.a.
1881 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1883 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1884 to source and destination registers.
1886 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1888 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1889 The strategy we now use is to pre allocate the top_elt along
1890 with the EH context so that each thread has its own top_elt.
1891 This is necessary as the dynmanic cleanup chain is used on the
1892 top element of the stack and each thread MUST have its own.
1893 (eh_context_static): Likewise.
1894 (new_eh_context): Likewise.
1895 (__sjthrow): Likewise.
1897 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1899 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1900 * i386.md (prologue_get_pc): Remove unused variable.
1902 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1904 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1906 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1908 * Makefile.in (OBJS): Add graph.o
1909 (graph.o): New dependency list.
1910 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1911 * print-rtl.c (dump_for_graph): Define new variable.
1912 (print_rtx): Rewrite to allow use in graph dumping functions.
1913 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1914 finish_graph_dump_file.
1915 Define graph_dump_format.
1916 (compile_file): If graph dumping is enabled also clear these files.
1917 Finish graph dump files.
1918 (rest_of_compilation): Also dump graph information if enabled.
1919 (main): Recognize -dv to enabled VCG based graph dumping.
1920 * graph.c: New file. Graph dumping functions.
1922 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1924 * configure.in: Look for <sys/stat.h>.
1925 * system.h: Include it before substitute S_ISREG definitions.
1927 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1929 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1930 * config/mips/iris6.h: Same.
1931 * config/mips/mips.md: Same.
1932 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1933 * config/mips/mips.h: Same; also define ABI_O64.
1935 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1937 * configure.in: Use AC_PREREQ(2.12.1).
1939 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1941 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1942 * cpplib.c, gcc.c: Likewise.
1943 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1945 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1947 * local-alloc.c (local_alloc): Use malloc not alloca for
1948 reg_qty, reg_offset, ref_next_in_qty.
1950 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1952 * caller-save.c (insert_one_insn): Initialize the live_before and
1953 live_after register sets.
1957 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1958 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1959 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1960 (fp_reg_names, assembler_dialect): New variables.
1961 (print_operand_address): Handle SUBREGs.
1962 (print_operand): Added 'o' case.
1963 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1964 Name of FP registers depends on mode.
1965 (expand_block_move): Emit different code for SH4 hardware.
1966 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1967 (from_compare): Likewise.
1968 (add_constant): New argument last_value. Changed all callers.
1969 (find_barrier): Don't try HImode load for FPUL_REG.
1970 (machine_dependent_reorg): Likewise.
1971 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1972 (gen_far_branch): Emit a barrier after the new jump.
1973 (barrier_align): Don't trust instruction lengths before
1975 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1976 Use auto-inc addressing for fp registers if doubles need to
1977 be loaded in two steps.
1978 Set sh_flag_remove_dead_before_cse.
1979 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1980 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1981 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1982 Support for FIRST_XD_REG .. LAST_XD_REG.
1983 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1984 (sh_expand_epilogue): Likewise.
1985 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1986 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1987 (arith_reg_operand): FPUL_REG is OK for SH4.
1988 (fp_arith_reg_operand, fp_extended_operand) New functions.
1989 (tertiary_reload_operand, fpscr_operand): Likewise.
1990 (commutative_float_operator, noncommutative_float_operator): Likewise.
1991 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1992 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1993 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1994 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1995 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1996 (CONDITIONAL_REGISTER_USAGE): Likewise.
1997 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1998 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1999 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2000 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2001 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2002 to -1 and sh_flag_remove_dead_before_cse to 1.
2003 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2004 (assembler_dialect, fp_reg_names): Declare.
2005 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2006 Hide names of registers that are not accessible.
2007 (CACHE_LOG): Take TARGET_CACHE32 into account.
2008 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2009 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2010 (FIRST_PSEUDO_REGISTER: Now 49.
2011 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2012 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2013 (HARD_REGNO_MODE_OK): Update.
2014 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2015 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2016 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2017 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2018 (NPARM_REGS): Eight floating point parameter registers on SH4.
2019 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2020 in floating point registers.
2021 (GET_SH_ARG_CLASS) Likewise.
2022 Complex float types are also returned in float registers.
2023 (BASE_ARG_REG): Complex float types are also passes in float registers.
2024 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2025 (LIBCALL_VALUE): Remove trailing semicolon.
2026 (ROUND_REG): Round when double precision value is passed in floating
2028 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2029 passed on the stack.
2030 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2031 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2032 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2033 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2034 (MODE_DISP_OK_8): Not for SH4 DFmode.
2035 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2036 Allow indexed addressing for PSImode after reload.
2037 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2038 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2039 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2040 (DOUBLE_TYPE_SIZE): 64 for SH4.
2041 (RTX_COSTS): Add PLUS case.
2042 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2043 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2044 MAC_REGS, PR_REGS, DF_REGS.
2045 (REGISTER_NAMES): Use fp_reg_names.
2046 (enum processor_type): Add PROCESSOR_SH4.
2047 (sh_flag_remove_dead_before_cse): Declare.
2048 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2049 (PREDICATE_CODES): Add binary_float_operator,
2050 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2051 fpscr_operand, noncommutative_float_operator.
2052 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2053 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2054 * sh.md (attribute cpu): Add value sh4.
2055 (attrbutes fmovd, issues): Define.
2056 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2057 (function units memory, int, mpy, fp): Make dependent on issue rate.
2058 (function units issue, single_issue, load_si, load): Define.
2059 (function units load_store, fdiv, gp_fpul): Define.
2060 (attribute hit_stack): Provide proper default.
2061 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2062 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2063 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2064 (mulsi3_call): Now uses match_operand for function address.
2065 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2067 (push, pop, push_e, pop_e): Now define_expands.
2068 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2069 (movsi_ie): Added y/i alternative.
2070 (ic_invalidate_line_i, movdf_i4): New insns.
2071 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2072 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2073 (movdf): Add special code for SH4.
2074 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2075 (call_valuei, calli, call_value): Likewise.
2076 (movsf): Emit no-op move.
2077 (mov_nop, movsi_y): New insns.
2078 (blt, sge): generalize to handle DFmode.
2079 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2080 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2081 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2082 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2083 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2084 (toggle_sz): New insn.
2085 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2086 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2087 (macsf3): Make use of fpscr visible. Disable for SH4.
2088 (floatsisf2): Make use of fpscr visible.
2089 (floatsisf2_i4): New insn.
2090 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2091 (ieee_ccmpeqsf_t): Likewise.
2092 (fix_truncsfsi2): Emit different code for SH4.
2093 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2094 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2095 (negsf2, sqrtsf2, abssf2): Now expanders.
2096 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2097 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2098 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2099 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2100 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2101 (fix_truncdfsi2_i4_2+1): New splitters.
2102 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2103 (extendsfdf2, truncdfsf2): New expanders.
2104 (truncdfsf2_i4): New insn.
2105 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2106 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2107 * float-sh.h: When testing for __SH3E__, also test for
2108 __SH4_SINGLE_ONLY__ .
2109 * va-sh.h (__va_freg): Define to float.
2110 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2111 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2112 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2113 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2115 (TARGET_SH4_P): Define.
2118 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2119 init_expr_once is satisfied about the existence of load / store insns.
2121 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2122 change m constraint in source operand to mr / mf .
2124 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2126 * (__VA_REEF): Define.
2127 (__va_arg_sh1): Use it.
2129 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2131 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2133 * i386/dgux.c (struct option): Add new "description field".
2134 * m88k/m88k.c (struct option): Likewise.
2136 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2138 * version.c: Bump for snapshot.
2140 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2142 * regmove.c (regmove_profitable_p): Use return value of find_matches
2145 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2147 * version.c: Bump for snapshot.
2149 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2151 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2152 without reload having been called earlier.
2154 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2156 (v850_reorg): Similarly.
2158 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2160 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2162 * loop.c (move_movables): Start of libcall might be new loop start.
2164 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2166 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2168 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2170 * function.c (nonlocal_goto_handler_slots): Renamed from
2171 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2172 (push_function_context_to): Adjust for this change.
2173 (pop_function_context_from): Likewise.
2174 (init_function_start): Likewise.
2175 (expand_function_end): Likewise.
2176 * function.h (struct function): Likewise.
2177 * calls.c (expand_call): Likewise.
2178 * explow.c (allocate_dynamic_stack_space): Likewise.
2179 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2180 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2182 (expand_goto): When doing a nonlocal goto, find corresponding handler
2183 slot for it. Don't put the label address in the static chain register.
2184 (expand_end_bindings): Break out nonlocal goto handling code into
2185 three new functions.
2186 (expand_nl_handler_label, expand_nl_goto_receiver,
2187 expand_nl_goto_receivers): New static functions, broken out of
2188 expand_end_bindings and adapted to create one handler per nonlocal
2190 * function.c (delete_handlers): Delete insn if it references any of
2191 the nonlocal goto handler slots.
2192 * i960.md (nonlocal_goto): Comment out code that modifies
2194 * sparc.md (nonlocal_goto): Likewise.
2195 (goto_handler_and_restore_v9): Comment out.
2196 (goto_handler_and_restore_v9_sp64): Comment out.
2198 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2200 * expr.c (STACK_BYTES): Delete unused macro.
2201 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2202 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2203 (expand_call): Likewise.
2204 (emit_library_call): Likewise.
2205 (emit_library_call_value): Likewise.
2206 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2207 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2208 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2209 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2210 (allocate_dynamic_stack_space): Likewise.
2211 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2212 (STACK_BOUNDARY): Update description to reflect the new situation.
2214 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2216 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2217 return with a filled delay slot is followed by a return with an
2218 unfilled delay slot, delete the first return and reemit the insn
2219 that was previously in its delay slot.
2221 * i860.c (single_insn_src_p): Add missing parens.
2222 * ginclude/math-3300.h: Likewise.
2224 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2226 * regclass.c (init_reg_sets_1): Add prototype.
2227 (init_reg_modes): Likewise.
2229 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2231 * c-common.c: Change warning messages to say `comparison is
2232 always true' or `comparison is always false' instead of the
2233 confusing `is always 0', `is always 1'.
2235 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2237 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2238 break instead of return (which loses closing '>').
2240 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2242 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2243 standard 387 constants.
2245 * i386.md (jump): Explicitly set "memory" attribute.
2246 (indirect_jump, prologue_set_stack_ptr): Likewise.
2247 (prologue_get_pc_and_set_got, pop): Likewise.
2248 (allocate_stack_worder, blockage, return_internal): Likewise.
2249 (return_pop_internal, nop): Likewise.
2250 (epilogue_set_stack_ptr, leave): Likewise.
2252 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2254 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2256 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2258 * reload1.c (reload_reg_free_for_value_p):
2259 Early auto_inc reloads don't conflict with outputs.
2261 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2263 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2264 Instead call AC_HEADER_SYS_WAIT.
2266 * collect2.c: Don't provide defaults for sys/wait.h macros.
2268 * protoize.c: Likewise. Also, don't include sys/wait.h.
2270 * system.h: Include sys/wait.h and provide macro defaults.
2272 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2274 * Makefile.in (mandir): Set to @mandir@.
2275 (man1dir): New variable to hold the former value of $(mandir).
2276 Replace all uses of $(mandir) by $(man1dir).
2278 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2280 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2281 a new one before passing it to force_const_mem.
2283 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2284 find_reloads_address call.
2286 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2288 * expr.c (store_expr): Don't generate load-store pair
2289 if TEMP is identical (according to ==) with TARGET.
2291 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2293 * reload1.c (reload_reg_free_for_value_p): When considered reload
2294 has an output, matching inputs are not sufficient to avoid conflict.
2296 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2298 * hash.h (hash_table_key): New type.
2299 (hash_entry): Change `string' field to generic `key'.
2300 (hash_table): Add `comp' and `hash' functions.
2301 (hash_table_init): Take them as input.
2302 (hash_table_init_n): Likewise.
2303 (hash_lookup): Modify for generic keys.
2304 (hash_newfunc): Likewise.
2305 (hash_traverse): Likewise.
2306 (string_hash): New function.
2307 (string_compare): Likewise.
2308 (string_copy): Likewise.
2309 * hash.c (hash_table_init_n): Modify for generic keys.
2310 (hash_table_init): Likewise.
2311 (hash_lookup): Likewise.
2312 (hash_newfunc): Likewise.
2313 (hash_traverse): Likewise.
2314 (string_hash): Split out from hash_lookup.
2315 (string_compare): New function.
2316 (string_copy): Split out from hash_lookup.
2317 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2319 (symbol_hash_lookup): Likewise.
2320 (file_hash_newfunc): Likewise.
2321 (file_hash_lookup): Likewise.
2322 (demangled_hash_newfunc): Likewise.
2323 (demangled_hash_lookup): Likewise.
2324 (tlink_int): Likewise.
2325 (read_repo_file): Likewise.
2326 (recompile_files): Likewise.
2327 (demangle_new_symbols): Likewise.
2328 (scan_linker_output): Likewise.
2330 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2332 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2334 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2336 * rs6000.c (output_mi_thunk): Improve test for local branch.
2338 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2340 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2342 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2344 * reload1.c (reload_reg_free_before_p): Delete.
2345 Changed all callers to use reload_reg_free_for_value_p instead.
2346 (reload_reg_free_for_value_p): Handle more reload types.
2347 A RELOAD_FOR_INPUT doesn't conflict with its
2348 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2349 Add special case for OUT == const0_rtx.
2350 Added ignore_address_reloads argument. Changed all callers.
2352 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2354 * toplev.c (compile_file): Don't pedwarn about undefined static
2355 functions just because we passed -Wunused.
2357 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2359 * function.c (purge_addressof_1): Unshare rtl created by
2362 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2364 * regmove.c (regmove_optimize): Don't do anything but
2365 optimize_reg_copy[123] when flag_regmove is not set.
2367 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2369 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2370 value in paradoxical SImode result, rather than truncating midpoint.
2372 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2374 * alpha.c (reg_not_elim_operand): New.
2375 * alpha.h (PREDICATE_CODES): Add it.
2376 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2377 for the multiplicand.
2379 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2381 * rs6000.md (movsf): Remove explicit secondary-reload-like
2382 functionality. Only truncate SFmode store if in FPR.
2383 (movsf splitters): Combine const_double splitters.
2384 (movsf_hardfloat): Add GPR support.
2386 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2388 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2389 deprecate -mlive-g0 and -mbroken-saverestore.
2390 * t-splet (MULTILIB_OPTIONS): Likewise.
2392 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2393 in a leaf function. Clarify total_size/extra_size relationship.
2395 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2397 * i386/cygwin32.asm: Delete.
2398 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2399 * i386/cygwin32.h: Delete.
2400 * i386/cygwin.h: New file, renamed from cygwin32.h.
2401 * i386/t-cygwin32: Delete.
2402 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2403 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2404 * i386/x-cygwin32: Delete.
2405 * i386/x-cygwin: New file, renamed from x-cygwin32.
2406 * i386/xm-cygwin32: Delete.
2407 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2408 renamed cygwin_ funcs for path translations.
2409 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2410 * i386/winnt.c: Remove "32" from comment about cygwin.
2411 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2412 * rs6000/cygwin32.h: Delete.
2413 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2414 -D__CYGWIN__ to CPP_PREDEFINES.
2415 * rs6000/x-cygwin32: Delete.
2416 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2417 * rs6000/xm-cygwin32: Delete.
2418 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2420 * configure.in: Check for cygwin* instead of cygwin32. Account
2421 for the rename of cygwin-related config files to lose the "32"s.
2422 * configure: Regenerate.
2424 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2425 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2427 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2429 * Makefile.in (JAVAGC): New macro.
2430 * configure: Rebuilt.
2431 * configure.in: Recognize --enable-java-gc argument. Subst
2434 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2436 Handle equivalences that have been obscured by gcse:
2438 * reload1.c (reload): Handle equivalences set up in multiple places.
2439 * local-alloc.c (reg_equiv_init_insns): New variable.
2440 (no_equiv): New function.
2441 (update_equiv_regs): Handle equivalences set up in multiple places.
2442 Don't ignore an insn just because its destination is likely to be
2445 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2447 * except.c (expand_eh_return): Readd force_operand call lost in
2450 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2452 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2454 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2456 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2458 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2460 * regmove.c (regmove_optimize): Fix error in last change.
2462 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2464 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2465 offset in the .mask pseudo to compensate for frame pointer adjustments.
2466 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2467 word swap arguments moved to/from FP registers.
2468 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2470 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2472 * version.c: Bump for snapshot.
2474 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2476 * version.c: Bump for snapshot.
2478 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2480 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2481 times, then it can not be completely replaced.
2483 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2485 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2487 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2489 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2490 (to distinguish it from the macro wrapping ansidecl.h.)
2491 Include libiberty's ansidecl.h. Remove all redundant definitions.
2492 Define the PROTO() style macros in terms of the PARAMS() ones.
2495 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2496 __STDC__, when deciding whether to use ANSI variable args.
2497 (emit_library_call_value): Likewise.
2499 * cccp.c (error): Likewise.
2500 (warning): Likewise.
2501 (error_with_line): Likewise.
2502 (warning_with_line): Likewise.
2503 (pedwarn): Likewise.
2504 (pedwarn_with_line): Likewise.
2505 (pedwarn_with_file_and_line): Likewise.
2508 * cexp.y (error): Likewise.
2509 (pedwarn): Likewise.
2510 (warning): Likewise.
2512 * collect2.c (fatal_perror): Likewise.
2516 * combine.c (gen_rtx_combine): Likewise.
2518 * cpperror.c (cpp_message): Likewise.
2519 (cpp_fatal): Likewise.
2521 * cpplib.c (cpp_error): Likewise.
2522 (cpp_warning): Likewise.
2523 (cpp_pedwarn): Likewise.
2524 (cpp_error_with_line): Likewise.
2525 (cpp_warning_with_line): Likewise.
2526 (cpp_pedwarn_with_line): Likewise.
2527 (cpp_pedwarn_with_file_and_line): Likewise.
2529 * cpplib.h: Don't define PARAMS() macro.
2531 * demangle.h: Likewise.
2533 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2534 when deciding whether to use ANSI variable args.
2536 * emit-rtl.c (gen_rtx): Likewise.
2537 (gen_rtvec): Likewise.
2539 * final.c (asm_fprintf): Likewise.
2541 * fix-header.c (cpp_message): Likewise.
2543 (cpp_fatal): Likewise.
2545 * gcc.c (concat): Likewise.
2549 * genattr.c (fatal): Likewise.
2551 * genattrtab.c (attr_rtx): Likewise.
2552 (attr_printf): Likewise.
2555 * gencodes.c (fatal): Likewise.
2557 * genconfig.c (fatal): Likewise.
2559 * genemit.c (fatal): Likewise.
2561 * genextract.c (fatal): Likewise.
2563 * genflags.c (fatal): Likewise.
2565 * genopinit.c (fatal): Likewise.
2567 * genoutput.c (fatal): Likewise.
2570 * genpeep.c (fatal): Likewise.
2572 * genrecog.c (fatal): Likewise.
2574 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2575 deciding whether to declare `tree_node' and `rtx_def'.
2577 * hash.h: Don't define stuff we get from gansidecl.h.
2579 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2580 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2581 whether to use ANSI variable args.
2584 * prefix.c (concat): Likewise.
2588 * system.h: Likewise.
2590 * toplev.c (error_with_file_and_line): Likewise.
2591 (error_with_decl): Likewise.
2592 (error_for_asm): Likewise.
2595 (warning_with_file_and_line): Likewise.
2596 (warning_with_decl): Likewise.
2597 (warning_for_asm): Likewise.
2598 (warning): Likewise.
2599 (pedwarn): Likewise.
2600 (pedwarn_with_decl): Likewise.
2601 (pedwarn_with_file_and_line): Likewise.
2603 (really_sorry): Likewise.
2605 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2606 whether to declare `tree_node' and `rtx_def'.
2608 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2609 deciding whether to use ANSI variable args.
2610 (build_nt): Likewise.
2611 (build_parse_node): Likewise.
2613 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2615 * version.c: Bump for snapshot.
2617 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2619 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2621 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2623 * collect2.c (main, case 'b'): Use else if.
2625 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2627 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2628 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2629 before the config/ directory headers.
2630 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2631 gansidecl.h in the list of dependencies.
2633 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2634 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2635 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2636 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2637 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2638 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2641 * cccp.c: Don't include gansidecl.h.
2643 * collect2.c: Likewise.
2644 * config/c4x/c4x.c: Likewise.
2645 * config/v850/v850.h: Likewise.
2646 * cppalloc.c: Likewise.
2647 * cpperror.c: Likewise.
2648 * cppexp.c: Likewise.
2649 * cppfiles.c: Likewise.
2650 * cpphash.c: Likewise.
2651 * cpplib.c: Likewise.
2652 * cppmain.c: Likewise.
2653 * cppulp.c: Likewise.
2654 * demangle.h: Likewise.
2655 * doprint.c: Likewise.
2656 * dyn-string.c: Likewise.
2657 * eh-common.h: Likewise.
2658 * fix-header.c: Likewise.
2659 * frame.c: Likewise.
2662 * gen-protos.c: Likewise.
2663 * gencheck.c: Likewise.
2664 * halfpic.h: Likewise.
2666 * machmode.h: Likewise.
2667 * mbchar.c: Likewise.
2668 * prefix.c: Likewise.
2669 * protoize.c: Likewise.
2670 * recog.h: Likewise.
2672 * scan-decls.c: Likewise.
2674 * varray.h: Likewise.
2676 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2678 * i386.md (call_value_pop): If we're not popping anything,
2679 defer to call_value.
2680 (call_pop): Likewise defer to call.
2682 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2684 * function.c (purge_addressof): Clear purge_addressof_replacements
2685 only after processing the whole function.
2687 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2689 * reload1.c (reload): If we can not perform a particular elimination
2690 when we thought we could earlier, then we must always iterate through
2691 the loop at least one more time.
2693 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2695 * alpha.c (add_operand): Simplify the CONST_INT match.
2696 (sext_add_operand): Correct typo in comparison by using
2697 CONST_OK_FOR_LETTER_P.
2698 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2699 constant alternatives to be generated.
2700 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2701 small constants, since the hw instructions do.
2703 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2705 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2706 previous insn to store directly into our reload register, make sure
2707 that if the source of the previous insn is a reload register, its
2708 spill_reg_store and spill_reg_stored_to values are cleared.
2710 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2712 * rs6000.md (floatunssidf2_internal splitter): Use base register
2713 operand, not hard-coded SP.
2715 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2717 * jump.c (calculate_can_reach_end): Fix thinko.
2719 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2721 * reorg.c (fill_simple_delay_slots): Fix typo.
2723 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2725 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2727 * i386.md (extendsidi2): Use # in the output template.
2728 (extendsidi splitters): New splitters.
2730 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2732 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2734 * configure: Regenerate.
2736 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2738 * jump.c (init_label_info, delete_barrier_successors,
2739 mark_all_labels, delete_unreferenced_labels,
2740 delete_noop_moves, calculate_can_reach_end): New functions broken
2741 out of jump_optimize.
2742 (jump_optimize): Use them.
2744 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2746 * except.c (expand_fixup_region_end): Make sure outer context labels
2747 are not issued in an inner context during cleanups.
2749 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2751 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2754 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2756 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2757 to expose this midpoint to CSE.
2759 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2761 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2763 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2765 * configure.in: Bring over gcc2 change of Nov 19 1997.
2767 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2769 * toplev.c (output_lang_identify): Make definition dependent on
2770 ASM_IDENTIFY_LANGUAGE.
2772 * print-rtl.c (spaces): Make static.
2774 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2776 * extend.texi: Clarify proper uses for register clobbers in asms.
2778 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2780 * recog.h (enum op_type): Define.
2781 (constrain_operands): Adjust prototype.
2782 (recog_op_type): Declare new variable.
2783 * recog.c (recog_op_type): New variable.
2784 (insn_invalid_p): Allow modifying an asm statement after reload.
2785 (extract_insn): Set up recog_op_type.
2786 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2787 Don't compute operand types, use recog_op_type.
2788 Use the information computed by extract_insn instead of the previous
2789 method of finding it by insn code number.
2790 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2791 * reorg.c (fill_slots_from_thread): Likewise.
2792 * reload1.c (reload_as_needed): Likewise.
2793 (gen_reload): Likewise.
2794 (inc_for_reload): Likewise.
2795 (reload_cse_simplify_operands): Likewise.
2796 Use the information computed by extract_insn instead of the previous
2797 method of finding it by insn code number.
2798 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2800 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2801 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2802 Use the information computed by extract_insn instead of the previous
2803 method of finding it by insn code number.
2804 * regmove.c (find_matches): Likewise. Change meaning of the return
2805 value to be nonzero if the optimization can be performed, zero if
2806 not. All callers changed.
2807 Shorten some variable names to fix formatting problems.
2808 (regmove_optimize): Shorten some variable names to fix formatting
2810 Use the information computed by extract_insn instead of the previous
2811 method of finding it by insn code number.
2812 * regclass.c (scan_one_insn): Likewise.
2813 (record_reg_classes): Don't compute operand types, use recog_op_type.
2814 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2815 recog_constraints instead.
2817 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2819 * rtl.h (flow2_completed): Declare.
2820 * flow.c (flow2_completed): Definition.
2821 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2824 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2826 * Makefile.in (libcpp.a): Ranlib libcpp.a
2828 * cppulp.c (user_label_prefix): Initialize.
2830 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2832 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2833 at a RETURN if current_function_sp_is_unchanging is set.
2835 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2837 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2839 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2841 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2842 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2843 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2844 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2845 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2846 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2848 (LIB_SPEC): Handle -mno-cyginw option.
2849 (LINK_SPEC): Handle -mdll.
2851 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2853 * reload.c (find_reloads): Fix test for usage by other reload
2854 to handle secondary reloads properly.
2856 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2858 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2859 intermediate structure which has exactly the members provided by
2860 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2861 static intermediate structure.
2863 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2864 from the intermediate structure. Do the same analogous fix in
2865 the case where ELIMINABLE_REGS is not defined.
2867 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2869 * pa.h (SELECT_SECTION): Fix thinko.
2871 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2873 * dwarf2out.c (output_call_frame_info): Comments on last change.
2875 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2877 * arm.c (add_constant): When taking the address of an item in the
2878 pool, get the mode of the item addressed.
2880 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2881 contain a SET or a PARALLEL, don't consider it for conditional
2884 Restore ABI compatibility for NetBSD.
2885 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2887 (RETURN_IN_MEMORY): Likewise.
2889 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2891 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2892 (m32r_output_block_move): Rewrite bytes < 4 handling.
2894 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2896 * configure.in: Call AC_FUNC_VFORK.
2898 * collect2.c: Define VFORK_STRING as a printable string for
2899 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2900 defined, include vfork.h. If VMS is defined, define vfork()
2901 appropriately. Remove vfork check on USG, we're using autoconf.
2902 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2903 checking locally what string to pass.
2904 (scan_prog_file): Likewise.
2905 (scan_libraries): Likewise.
2907 * gcc.c: Remove vfork check on USG, we're using autoconf.
2908 Besides, no calls to vfork/fork occur in this file.
2910 * protoize.c: Likewise.
2912 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2914 * configure.in (DEFAULT_LINKER): renamed from LD
2915 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2916 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2917 * configure: rebuilt
2919 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2921 * BUGS: fix the regexp for `more' to find the appropriate node.
2922 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2924 * BUGS: added link to the WWW FAQ
2926 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2928 * version.c: Bump for snapshot.
2930 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2932 * From Christian Gafton:
2933 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2934 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2935 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2937 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2939 * c-common.c (c_get_alias_set): Allow all type-punning through
2940 unions. Don't get confused about the type of a bit-field, despite
2941 the antics of build_modify_expr.
2943 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2945 * fixinc.sco: Paramaterize #include_next values.
2946 * fixinc/fixinc.sco: Likewise.
2948 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2950 * toplev.c (rest_of_compilation): No longer set reload_completed.
2951 * reload1.c (reload): Set it here. Perform instruction splitting
2952 after reload has completed if we will be running the scheduler
2955 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2957 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2958 EH region if exceptions are enabled and we're performing cross
2960 (find_cross_jump): Exit loop if the insns are in different EH regions.
2962 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2964 * dwarf2out.c (output_call_frame_info): Use
2965 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2967 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2969 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2970 * c-common.c (check_format_info): Don't check for the 'x'
2971 format character twice, instead check for 'x' and 'X'
2973 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2975 * configure.in (assembler features): Also make gas is configured if
2976 we find it in the souce tree.
2978 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2980 * i386.c (i386_comp_type_attributes): Compare whether the
2981 attributes are defined, not their tree nodes.
2983 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2985 * configure.in (gxx_include_dir): bitten by autoconf quoting
2987 * configure: rebuilt
2989 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2991 * configure.in: Ignore non-absolute value in $AS.
2993 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2995 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2997 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2999 * configure.in (msdosdjgpp): Set exeext and target_alias.
3001 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3003 * flow.c (XNMALLOC): New macro.
3004 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3006 (add_edge, add_edge_to_label): New static functions.
3007 (free_bb_memory): New function.
3008 (flow_delete_insn): Delete function.
3009 (basic_block_drops_in): Delete variable.
3010 (find_basic_blocks): Allocate and initialize basic_block_head,
3011 basic_block_succ. Don't allocate basic_block_drops_in.
3012 Call free_bb_memory at the beginning.
3013 (find_basic_blocks_1): Don't do multiple passes.
3014 Delete code to compute basic_block_drops_in.
3015 After calling make_edges, mark blocks reached by current block live.
3016 Update test for unreachable live blocks.
3017 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3019 Simplify to call add_edge_to_label when a LABEL_REF is found.
3020 (make_edges): Simplify to call add_edge_to_label instead of
3021 mark_label_ref most of the time.
3022 Compute here whether control drops into the next block.
3023 (delete_unreachable_blocks): Return void. All callers changed.
3024 Delete unreachable blocks in reverse order.
3025 After deleting all unreachable blocks, renumber the remaining ones
3026 and update n_basic_blocks.
3027 (delete_block): Speed up deletion a bit.
3028 Don't set basic_block_drops_in for deleted blocks.
3029 (free_basic_block_vars): Don't free basic_block_drops_in.
3030 (life_analysis_1): Update to use new edge representation.
3031 (dump_flow_info): Delete code to print basic block info; call
3032 dump_bb_data instead.
3033 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3034 and uid_block_number.
3035 Simply copy the previously computed cfg.
3036 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3037 Print register lifetime information if LIVE_INFO is nonzero.
3038 * basic-block.h (dump_bb_data): Adjust prototype.
3039 * gcse.c (gcse_main): Update call to dump_bb_data.
3040 * rtl.h (free_bb_memory): Declare.
3041 * toplev.c (rest_of_compilation): Call free_bb_memory.
3043 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3044 (update_eliminable_offsets): Don't compute it.
3045 (set_initial_elim_offsets): Don't initialize it.
3046 Break out some code into set_initial_label_offsets so the rest of
3047 this function can be called from reload_as_needed.
3048 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3049 ELIMINABLE_REGS isn't.
3050 (set_initial_label_offsets): New function, broken out of
3051 set_initial_elim_offsets.
3052 (set_offsets_for_label): New function, broken out of set_label_offsets
3053 and reload_as_needed.
3054 (reload): Call the two new functions.
3055 (reload_as_needed): Call set_initial_elim_offsets instead of
3056 duplicating the code. Likewise for set_offsets_for_label.
3058 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3059 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3060 any hard reg, reg_reloaded_dead contains valid data.
3062 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3064 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3065 "stdcall" and "cdecl" attributes.
3067 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3069 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3070 handle deleted no-op moves of hard registers.
3071 * haifa-sched.c (update_flow_info): Likewise.
3073 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3075 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3076 of the sequences to reload the HILO register which do not actually
3079 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3081 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3083 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3085 * except.c (emit_eh_context): Make the EH context register stay alive
3086 at -O0 so stupid.c doesn't get confused.
3088 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3090 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3092 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3093 Jeffrey A Law (law@cygnus.com)
3095 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3096 (zero_extendsidi2): Use # in output template and handle completely by
3098 (zero_extend splitters): New define_splits.
3099 (ashiftrt_32): New pattern.
3101 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3103 * tree.c (append_random_chars): New fn.
3104 (get_file_function_name_long): Use it.
3106 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3108 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3109 (LIBCPP_OBJS): New. Add cppulp.o.
3110 (cppmain, fix-header): Depend on and use libcpp.a.
3111 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3112 of the individual object files.
3113 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3116 * cccp.c (user_label_prefix): New.
3117 (main): Set it off -f*leading-underscore.
3118 (special_symbol): Use it.
3119 * cpplib.c (special_symbol): Likewise.
3120 (cpp_handle_option): Handle -f*leading-underscore.
3121 * cppulp.c: New file.
3123 * output.h (user_label_prefix): Declare it.
3124 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3125 * toplev.c (f_options, main): Handle -f*leading-underscore.
3127 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3128 referencing USER_LABEL_PREFIX directly.
3129 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3130 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3131 * final.c (asm_fprintf): Use user_label_prefix instead.
3132 * arm/thumb.c (thumb_print_operand): Likewise.
3134 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3135 cpp wherever appropriate.
3137 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3139 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3140 specific compiler switches.
3142 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3144 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3147 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3149 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3150 structure which has exactly the members provided by EXTRA_SPECS.
3151 Xmalloc() the real `extra_specs', and initialize it from this
3152 intermediate structure.
3154 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3156 * mips.h (EXTRA_SPECS): Likewise.
3158 * sparc.h (EXTRA_SPECS): Likewise.
3160 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3162 * function.c (purge_addressof_1): Instead of aborting when a
3163 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3164 work just put the ADDRESSOF on stack. Otherwise remember all such
3165 successfull replacements, so that exactly the same replacements
3166 can be made on the REG_NOTEs. Remove the special case for CALL
3168 (purge_addressof_replacements): New variable.
3169 (purge_addressof): Clear it at end.
3171 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3173 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3174 (lang_init): Call check_newline always.
3175 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3176 cpp_start_read, set yy_cur and yy_lim to read from
3177 parse_in.token_buffer, so that we'll see the first #line
3179 * cpplib.c (cpp_start_read): finclude the main input file
3180 before processing -include/-imacros. Process -imacros and
3181 -include separately, and handle -include by stacking a
3182 buffer for the file in question as if it'd been #included.
3183 * toplev.c (documented_lang_options) Recognize -H when
3186 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3188 * cpplib.c: Merge do_once into do_pragma. Break file handling
3189 code out of do_include.
3190 Move append_include_chain, deps_output,
3191 file_cleanup, redundant_include_p, import_hash,
3192 lookup_import, add_import, read_filename_string, read_name_map,
3193 open_include_file, finclude, safe_read to cppfiles.c.
3194 Move prototypes for deps_output, append_include_chain,
3195 finclude to cpplib.h. Move definition of struct
3196 file_name_list there also.
3198 * cppfiles.c: New file. Contains all the above functions
3199 broken out of cpplib.c; also hack_vms_include_specification
3200 from cccp.c and find_include_file, a new function broken out of
3203 * Makefile.in (cppmain): Depend on cppfiles.o.
3204 (fix-header): Likewise.
3205 (cppfiles.o): New target.
3206 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3207 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3209 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3211 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3212 if pending_types is non-zero.
3213 (dwarfout_finish): Verify pending_types is zero before finishing.
3215 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3217 * expr.c (convert_move): Use shifts to perform the move if a
3218 suitable extend pattern cannot be found. Code written by
3219 Richard Henderson <rth@cygnus.com>.
3221 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3223 * regclass.c (renumber, regno_allocated): New static variables, moved
3224 out of allocate_reg_info.
3225 (allocate_reg_info): Move these two variables outside the function.
3226 Move code to free memory into new function free_reg_info.
3227 (free_reg_info): New function, broken out of allocate_reg_info.
3228 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3229 * rtl.h (allocate_reg_info): Don't declare.
3230 (free_reg_info): Declare.
3232 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3234 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3236 * toplev.c (compile_file): Temporarily revert last change.
3238 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3240 * c-typeck.c (convert_for_assignment): Parenthesize.
3242 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3244 * reload1.c (delete_output_reload): Avoid ambigous else.
3246 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3248 * toplev.c (compile_file): Call allocate_reg_info to free register
3250 * rtl.h (allocate_reg_info): Declare.
3252 * PROJECTS: Remove entry for local spilling.
3254 * final.c (cleanup_subreg_operands): New function.
3255 (final_scan_insn): Use it.
3256 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3258 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3259 operands when reload has finished.
3260 * reload.h (cleanup_subreg_operands): Declare..
3261 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3262 reload. Handled in reload itself.
3264 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3266 * reload1.c (verify_initial_offsets): New function.
3267 (reload): Call it after reload_as_needed. Also verify that the frame
3268 size stays constant during reload_as_needed.
3269 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3271 * reload.h (struct insn_chain): Add need_operand_change element.
3272 * reload1.c (new_insn_chain): Clear it.
3273 (calculate_needs_all_insns): Set it; don't overload need_reload.
3274 (reload_as_needed): Use it.
3276 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3277 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3278 and reload_address_index_reg_class.
3279 (find_reloads_address_1): Likewise.
3280 * reload.h (reload_address_base_reg_class,
3281 reload_address_index_reg_class): Don't declare.
3282 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3283 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3284 (used_spill_regs): Now static.
3285 (reload_address_base_reg_class, reload_address_index_reg_class,
3286 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3287 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3288 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3291 (init_reload): Delete code to compute base/index reg classes.
3292 (reload): Delete variable J.
3293 Delete code to manage basic_block_needs.
3294 Don't compute regs_explicitly_used.
3295 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3296 pseudo_previous_regs.
3297 Initialize bad_spill_regs_global.
3298 Don't call order_regs_for_reload here.
3299 Don't initialize spill_reg_order and n_spills.
3300 Don't forbid explicitly used regs to be used for spill regs.
3301 Change main loop to infinite loop, with explicit break statements.
3302 Make SOMETHING_CHANGED variable local to that loop.
3303 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3304 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3305 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3307 Don't call dump_needs.
3308 Delete code to reset potential_reload_regs.
3309 Delete code to terminate loop conditional on the global needs variables
3310 showing no further needs.
3311 (calculate_needs_all_insns): Return void. All callers changed.
3312 Initialize somehing_needs_elimination here, not in reload.
3313 Delete avoid_return_reg kludge.
3314 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3315 All callers changed.
3316 Initialize the group_mode and group_size elements of the arg CHAIN.
3317 Delete code to manage basic_block_needs.
3318 Operate on elements of CHAIN instead of global variables.
3319 Delete avoid_return_reg kludge.
3320 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3321 All callers changed.
3322 Operate on elements of CHAIN instead of global variables.
3323 Delete special SMALL_REGISTER_CLASSES code.
3324 Delete spill_failure code; now in new_spill_reg.
3325 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3326 All callers changed.
3327 Operate on elements of CHAIN instead of global variables.
3328 (maybe_mark_pseudo_spilled): New static function.
3329 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3330 All callers changed.
3331 Operate on elements of CHAIN instead of global variables.
3332 Call order_regs_for_reload here, not in reload.
3333 Initialize spill_reg_order and n_spills.
3334 Simplify test whether an asm insn is involved.
3335 Delete spill_failure code; now in new_spill_reg.
3336 Call maybe_mark_pseudo_spilled for everything marked as live in
3337 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3339 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3340 compiler from optimizing this function (now unused) away.
3341 Operate on elements of CHAIN instead of global variables.
3342 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3344 Operate on elements of CHAIN instead of global variables.
3345 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3346 take CHAIN arg. All callers changed.
3347 Operate on elements of CHAIN instead of global variables.
3348 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3349 CHAIN, NONGROUP args. Return void. All callers changed.
3350 Verify caller isn't trying to spill a pseudo.
3351 Simplify test for illegal reg, just use bad_spill_regs.
3352 Generate better error messages.
3353 Operate on elements of CHAIN instead of global variables.
3354 Mark spilled register in CHAIN's used_spill_regs element.
3355 Don't call spill_hard_reg.
3356 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3357 Mark spilled hard regs in bad_spill_regs_global.
3358 Mark affected pseudos in spilled_pseudos, but don't spill them.
3359 (ior_hard_reg_set): New static function.
3360 (finish_spills): Return int. All callers changed.
3361 Compute spill_reg_order, n_spills and spill_regs here. Also update
3362 regs_ever_live for regs used as spills.
3363 For every pseudo in spilled_pseudos, spill it and mark the previous
3364 hard reg it had in pseudo_previous_regs. Compute which hard regs
3365 arseudo): New static function.
3366 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3367 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3368 hard registers explicitly used across the current insn into the set.
3369 Compute hard_reg_n_uses taking only pseudos live across this insn
3371 Tweak sorting of potential_reload_regs.
3372 (compare_spill_regs): Delete function.
3373 (reload_as_needed): Don't sort the spill_regs array, it's computed
3374 in proper order in finish_spills.
3375 Delete avoid_return_reg kludge.
3376 Delete code to manage basic_block_needs.
3377 (allocate_reload_reg): Minor speed/readability tweaks.
3378 Operate on elements of CHAIN instead of global variables.
3379 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3380 Delete avoid_return_reg kludge.
3381 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3382 Delete unused label FAIL.
3383 (reload_combine): Replce reload_address_index_reg_class with
3385 Don't use used_spill_regs to determine information about lifetime of
3388 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3390 * toplev.c (display_help): Ignore empty target specific
3391 options, and if -W is also specified on the command line then
3392 display undocumented options.
3394 * config/arm/arm.c: Updated with changes in devo sources.
3395 * config/arm/arm.h: Updated with changes in devo sources.
3396 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3397 * config/arm/lib1thumb.asm: Add ELF support.
3399 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3401 * collect2.c (aix64_flag): New variable.
3402 (main, case 'b'): Parse it.
3403 (GCC_CHECK_HDR): object magic number must match mode.
3404 (scan_prog_file): Only check for shared object if valid header.
3405 Print debugging if header/mode mismatch.
3407 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3409 Added support for arm-elf-linux configuration, submitted by Philip
3410 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3411 code developed by Catherine Moore <clm@cygnus.com>. The following
3414 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3417 * configure: Regenerated.
3419 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3420 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3421 definitions conditional on their not having been already defined.
3423 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3424 and .type directives, and add "(PLT)" qualification to function
3427 * config/arm/linux.h: Deleted. This file is now superceeded by
3428 either linux-elf.h or linux-aout.h.
3430 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3431 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3433 Move definitions from old linux.h file here.
3435 * config/arm/elf.h: New file. Generic ARM/ELF support.
3437 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3439 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3441 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3442 using the 26bit APCS.
3444 * config/arm/unknown-elf.h: New file. Support for OS'es other
3445 than Linux with ELF.
3447 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3450 * config/arm/coff.h: Include aout.h for basic assembler macros.
3451 Add support for -mstructure_size_boundary=<n> command line option.
3453 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3454 command line option. Make macro definitions conditional on their
3455 not having been already defined.
3457 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3458 command line option.
3461 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3463 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3464 has been changed to not include a newline. Use this macro instead.
3465 (output_enumeral_list, const_value_attribute, name_attribute,
3466 comp_dir_attribute, prototyped_attribute, producer_attribute,
3467 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3468 dwarfout_file_scope_decl, generate_new_sfname_entry,
3469 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3470 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3472 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3474 * combine.c (subst): Process the inputs to a parallel asm_operands
3477 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3479 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3481 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3483 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3485 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3487 * version.c: Bump for snapshot.
3489 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3491 * stmt.c (expand_fixup): Set fixup->before_jump to a
3492 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3494 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3496 * Makefile.in (recog.o): Depend on toplev.h.
3497 (insn-emit.o): Depend on recog.h.
3498 (insn-peep.o): Depend on recog.h and insn-config.h.
3500 * combine.c (simplify_set): Remove unused variable `scratches'.
3502 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3503 and `idx' in macro conditional controlling their use.
3505 * genemit.c (main): Make the generated output file include
3506 recog.h. Don't have it declare `insn_operand_constraint', since
3507 we get it from recog.h.
3509 * genpeep.c (main): Make the generated output file include
3510 insn-config.h and recog.h.
3512 * recog.c: Include toplev.h.
3513 (extract_insn): Remove unused variable `p'.
3515 * regclass.c (fix_register): Add missing braces around initializer
3517 (allocate_reg_info): Move variable `i' into the scope where it is
3518 used. Change its type to `size_t'.
3520 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3522 * reload.c (push_reload): When merging reloads, make sure
3523 that reload_in_reg and reload_in are from the same reload in
3526 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3528 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3529 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3531 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3533 * loop.c (loop_has_tablejump): New variable.
3534 (prescan_loop): Scan for it.
3535 (insert_bct): Replace explicit scan with use of it.
3536 * regclass.c (regclass): Restore loop variable j.
3537 (record_reg_classes): Deterine op_types modifiers and initialize
3538 classes[i] before matching constraints. Handle matching
3541 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3543 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3546 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3548 * mips.h (EXTRA_SPECS): Add missing initializers.
3550 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3552 * sparc.h (EXTRA_SPECS): Add missing initializers.
3553 (sparc_defer_case_vector): Provide a prototype.
3555 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3556 comparing it to the result of a pointer subtraction.
3558 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3560 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3561 the argument to (unsigned char).
3563 * alpha.h (EXTRA_SPECS): Add missing initializers.
3564 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3567 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3569 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3570 (propagate_block): Delete dead code after reload.
3572 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3573 back Oct 15, 1998 change.
3574 * haifa-sched.c (update_flow_info): Likewise.
3575 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3577 * mn10200.md (truncated shift): Accept constant inputs too.
3579 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3581 * machmode.h (mode_mask_array): No longer const.
3582 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3584 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3586 * frame.c: Somewhat explain `FDE'.
3587 Suggested by Brendan Kehoe
3589 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3591 * expr.c (pending_chain): Move up.
3592 (save_expr_status): Do save pending_chain.
3593 (restore_expr_status): And restore it.
3594 * function.h (struct function): Add pending_chain.
3596 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3598 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3599 did not match the code.
3601 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3603 * regclass.c (regclass): Break out some code into new function
3604 scan_one_insn, and into regclass_init.
3605 (init_cost): New static variable, moved out of regclass.
3606 (regclass_init): Initialize it here, not in .
3607 (scan_one_insn): New static function, broken out of regclass.
3608 * recog.c (apply_change_group): Break out some code into new
3609 function insn_invalid_p.
3610 (insn_invalid_p): New static fn, broken out of apply_change_group.
3612 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3614 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3615 reg_reloaded_contents matches incremented pseudo.
3617 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3619 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3621 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3622 addressing modes with side effects. These are currently
3623 placeholders for the C4x target.
3625 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3627 * loop.c (express_from): Make sure that when generating a PLUS of
3628 a PLUS, any constant expression appears on the outermost PLUS.
3630 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3632 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3633 works if "$(srcdir)" != ".".
3635 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3637 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3638 existing SUBREG if we can, otherwise abort.
3640 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3642 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3643 `restrict' is applied to a non-pointer variable.
3645 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3647 * invoke.texi: Document -flang-isoc9x.
3649 * Makefile.in (OBJS): Add splay-tree.o.
3650 (c-common.o): Depend on rtl.h.
3651 (splay-tree.o): List dependencies and provide build rule.
3653 * rtl.h (record_alias_subset): New function.
3654 * alias.c: Include splay-tree.h.
3655 (alias_set_entry): New type.
3656 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3657 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3658 (mems_in_disjoin_alias_sets_p): New function.
3659 (alias_set_compare): Likewise.
3660 (insert_subset_children): Likewise.
3661 (get_alias_set_entry): Likewise.
3663 * tree.h (TYPE_RESTRICT): New macro.
3664 (TYPE_UNQUALIFIED): New manifest constant.
3665 (TYPE_QUAL_CONST): Likewise
3666 (TYPE_QUAL_VOLATILE): Likewise.
3667 (TYPE_QUAL_RESTRICT): Likewise.
3668 (tree_type): Add restrict_flag. Reduce count of free bits.
3669 (DECL_POINTER_ALIAS_SET): New macro.
3670 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3671 (tree_decl): Add pointer_alias_set.
3672 (build_qualified_type): New function.
3673 (build_type_variant): Define in terms of build_qualified_type.
3674 * tree.c (set_type_quals): New function.
3675 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3676 (build_type_attribute_variant): Use build_qualified_type and
3678 (build_type_variant): Rename, and modify, to become...
3679 (build_qualified_type): New function.
3680 (build_complex_type): Use set_type_quals.
3682 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3683 (C_TYPE_FUNCTION_P): Likewise.
3684 (C_TYPE_INCOMPLETE_P): Likewise.
3685 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3686 (c_apply_type_quals_to_decl): New function.
3687 (c_build_qualified_type): New function.
3688 (c_build_type_variant): Define in terms of c_build_qualified_type.
3689 (flag_isoc9x): Declare.
3690 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3691 (common_type): Change to use TYPE_QUALS.
3692 (comptypes): Likewise.
3693 (convert_for_assignment): Likewise.
3694 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3695 * c-decl.c (flag_isoc9x): Define.
3696 (c_decode_option): Handle -flang-isoc9x.
3697 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3698 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3699 * c-lex.c (init_lex): Deal with restrict.
3700 (init_lex): Don't treat restrict as a reserved word in
3701 -traditional mode, or without -flang-isoc9x.
3702 * c-lex.h (rid): Add RID_RESTRICT.
3703 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3704 equivalent to RID_RESTRICT.
3705 * c-parse.in (TYPE_QUAL): Update comment.
3706 * c-common.c: Include rtl.h.
3707 (c_find_base_decl): New function.
3708 (c_build_type_variant): Rename, and modify, to become ...
3709 (c_build_qualified_type): New function.
3710 (c_apply_type_quals_to_decl): Likewise.
3711 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3712 a particular alias set for the reference.
3713 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3715 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3717 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3718 command line switches.
3720 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3722 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3725 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3727 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3729 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3731 * regclass.c (fix_register): Add error message.
3732 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3735 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3737 * c-decl.c (warn_missing_noreturn): New global variable.
3738 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3739 (finish_function): Implement missing noreturn warning.
3741 * c-tree.h (warn_missing_noreturn): Declare extern.
3743 * invoke.texi: Document new flags.
3745 * toplev.c (documented_lang_options): Add description.
3747 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3749 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3750 loop optimization stable for the C4x.
3751 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3752 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3753 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3755 (c4x_address_conflict): Be more paranoid when packing a volatile
3756 memref in a parallel load/store.
3758 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3760 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3761 repeat_block_filler): Deleted.
3762 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3763 Condition code not set if destination register from 'c' class.
3764 (*subbqi3_carry_clobber): Fix typo.
3766 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3768 * reorg.c (steal_delay_list_from_target) Check for insns that
3769 modify the condition codes and effect the direction of the jump
3772 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3774 * function.c (purge_addressof_1): Replace call to
3775 emit_insns_before() with emit_insn_before().
3777 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3779 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3781 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3783 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3785 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3787 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3788 clobbered across calls.
3790 * loop.c (scan_loop): Be more selective about what invariants are
3791 moved out of a loop.
3793 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3795 * version.c: Bump for snapshot.
3797 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3799 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3800 static eh_context structure.
3802 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3804 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3806 (try_combine): Don't update max_scratch.
3807 * flow.c (max_scratch, num_scratch): Delete variables.
3808 (life_analysis_1): Don't initialize max_scratch.
3809 (propagate_block): Don't update max_scratch.
3810 (mark_set_1): Don't increment num_scratch.
3811 * regs.h (max_scratch): Delete declaration.
3813 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3815 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3816 is nonzero. This is temporary!
3818 * sched.c (update_flow_info): Handle death notes made invalid by
3819 instruction splitting. Partially reverts Oct 15, 1998 patch.
3820 * haifa-sched.c (update_flow_info): Likewise.
3822 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3824 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3825 if it has a nonzero DECL_INITIAL.
3827 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3829 * Makefile.in (flow.o): Depend on recog.h.
3831 * cpplib.h (directive_table): Add missing initializiers.
3832 (finclude): Change type of variable `bsize' to size_t.
3834 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3836 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3838 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3839 `int' when comparing against one.
3840 (cpp_file_line_for_message): Mark parameter `pfile' with
3842 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3844 * flow.c: Include recog.h.
3845 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3847 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3848 `f' with ATTRIBUTE_UNUSED.
3849 (reposition_prologue_and_epilogue_notes): Likewise.
3851 * genopinit.c (gen_insn): Cast argument of ctype functions to
3854 * haifa-sched.c: Include recog.h.
3855 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3856 comparing against one.
3858 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3860 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3862 (parse_ent): Likewise.
3863 (parse_input): Likewise.
3865 * optabs.c (init_libfuncs): Likewise.
3867 * protoize.c (find_rightmost_formals_list): Likewise.
3869 * recog.h (const_double_operand): Fix typo in prototype.
3871 * tlink.c (scan_linker_output): Cast the argument of ctype
3872 function to `unsigned char'.
3874 * toplev.c (check_lang_option): Cast the result of `strlen' to
3875 `int' when comparing against one.
3877 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3879 * gcse.c (dump_cuid_table): Correct typo.
3881 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3883 * toplev.c (display_help): Prepend '-m' to target specific
3885 (check_lang_option): Ignore text after end of first word of a
3886 language specific option.
3888 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3890 * reload1.c (reg_used_by_pseudo): New static variable.
3891 (choose_reload_regs): Initialize it.
3892 Use it instead of testing spill_reg_order to determine whether a
3893 pseudo is live in a hard register across the current insn.
3894 Fix a typo in a reference to reload_reg_rtx.
3896 * flow.c (propagate_block): Replace code that computes and uses
3897 regs_sometimes_live with simpler code that just walks the set of
3898 currently live registers.
3900 * Makefile.in (insn-extract.o): Fix dependencies.
3901 * genextract.c (main): Generate includes for insn-config.h and
3903 Delete generation of declarations which are now in recog.h.
3904 * genrecog.c (main): Delete generation of definitions which are
3906 * local-alloc.c (block_alloc): Use extract_insn and the variables
3907 it sets up instead of looking up values by insn_code.
3908 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3909 recog_dup_num): Define here instead of generating the definition in
3911 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3912 recog_operand_mode, recog_constraints, recog_operand_address_p):
3914 (extract_insn): New function.
3915 * recog.h (extract_insn): Declare function.
3916 (which_alternative, recog_n_operands, recog_n_dups,
3917 recog_n_alternatives, recog_operand_mode, recog_constraints,
3918 recog_operand_address_p): Declare variables.
3919 * regclass.c (n_occurrences): New static function.
3920 * reload.c (n_occurrences): Delete function.
3921 (find_reloads): Use extract_insn.
3922 * reload.h (n_occurrences): Delete declaration.
3924 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3926 * reload1.c (reload_as_needed): Fix test for when to call
3927 update_eliminable_offsets.
3929 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3931 Fix consistency problems with reg_equiv_{mem,address};
3932 Improve reload inheritance;
3934 * reload.c (reload_out_reg): New variable.
3935 (loc_mentioned_in_p, remove_address_replacements): New functions.
3936 (remove_replacements): Deleted.
3937 (push_reload): Set reload_out_reg[i].
3938 When merging, also set reload_{in,out}_reg[i], and remove
3939 duplicate address reloads.
3940 (combine_reloads): Copy reload_out_reg[i].
3941 (find_reloads): Do make_memloc substitution also when
3942 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3944 Include *recog_operand_loc in commutativity operand changes.
3945 Generate optional output reloads.
3946 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3947 processing operands. Call make_memloc in reg_equiv_address code.
3948 Set *recog_operand_loc only after processing operands, and only
3949 if replace is true. Return a value.
3950 When changing address reload types for operands that didn't get
3951 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3952 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3953 Don't emit USEs for pseudo SUBREGs when not replacing.
3954 (find_reloads_address): Do make_memloc substitution also when
3955 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3957 (find_reloads_toplev): Likewise.
3958 Call make_memloc in reg_equiv_address code.
3959 (debug_reload_to_stream): Add code to output reload_out_reg.
3960 (make_memloc): Delete local variable i, ifdefed out code, and
3961 references to memlocs and n_memlocs.
3962 (memlocs, n_memlocs): Delete.
3963 (push_secondary_reload): Clear reload_out_reg.
3964 (find_reloads_address_1): Provide memrefloc argument to all calls
3965 to find_reloads_address.
3966 In AUTO_INC code, handle non-directly addressable equivalences properly.
3967 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3968 (find_reloads): Add return type.
3969 (remove_address_replacements, deallocate_reload_reg): Declare.
3970 * reload1.c (num_not_at_initial_offset): No longer static.
3971 (delete_address_reloads, delete_address_reloads_1): Likewise.
3972 (deallocate_reload_reg): New function.
3973 (spill_reg_stored_to): New array.
3974 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3975 (eliminate_regs_in_insn): Move assignments of previous_offset and
3976 max_offset fields, and recalculation of num_not_at_initial_offset
3977 into new static function:
3978 (update_eliminable_offsets) .
3979 (reload_as_needed): Call update_eliminable_offsetss after calling
3981 Call forget_old_reloads_1 with contents of reloaded auto_inc
3982 expressions if the actual addressing can't be changed to match the
3984 (choose_reload_regs): For inheritance, replace
3985 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3986 remove stand-alone reload_reg_used_at_all test.
3987 Use reload_out_reg to determine which reload regs have output reloads.
3988 Treat reload_override_in more similar to inherited reloads.
3989 Handle (subreg (reg... for inheritance.
3990 For flag_expensive_optimizations, add an extra pass to remove
3991 unnecessary reloads from known working inheritance.
3992 Delete obsolete code for pseudos replaced with MEMs.
3993 Handle inheritance from auto_inc expressions.
3994 (emit_reload_insns): If reload_in is a MEM, set OLD to
3996 Don't reload directly from oldequiv; if it's a pseudo with a
3997 stack slot, use reload_in[j].
3998 Check that reload_in_reg[j] is a MEM before replacing reload_in
3999 from reg_reloaded_contents.
4000 Include non-spill registers in reload inheritance processing.
4001 Also try to use reload_out_reg to set spill_reg_store /
4002 reg_last_reload_reg.
4003 In code to set new_spill_reg_store, use single_set to find out if
4004 there is a single set.
4005 Add code that allows to delete optional output reloads.
4006 Add code to allow deletion of output reloads that use no spill reg.
4007 At the end, set reload_override_in to oldequiv.
4008 Also call delete_output_reload if reload_out_reg is equal to old
4010 Add code to call delete_output_reload for stores with no matching load.
4011 Set / use spill_reg_stored_to.
4012 Handle case where secondary output reload uses a temporary, but
4013 actual store isn't found.
4014 When looking for a store of a value not loaded in order to call
4015 delete_output_reload, count_occurences should return 0 for no
4016 loads; but discount inherited input reloadill_reg_stored_to.
4017 Do checks for extra uses of REG. Changed all
4019 Use delete_address_reloads.
4020 (reload): Take return value of find_reloads into account.
4021 If a no-op set needs more than one reload, delete it.
4022 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4023 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4024 for the same operand.
4025 (clear_reload_reg_in_use): Check for other reloads that keep a
4027 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4028 RELOAD_FOR_OPADDR_ADDR.
4029 Take into account when an address address reload is only needed
4030 for the address reload we are considering.
4031 (count_occurrences): Use rtx_equal_p for MEMs.
4032 (inc_for_reload): Return instruction that stores into RELOADREG.
4033 New argument two, IN, and rtx. Changed all callers.
4034 (calculate_needs_all_insns, reload_as_needed):
4035 Don't clear after_call for a CLOBBER.
4036 Keep track of how many hard registers need to be copied from
4037 after_call, and don't clear after_call before we have seen
4038 that much copies, or we see a different instruction.
4040 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4042 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4043 after reload has completed.
4045 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4047 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4048 a macro name and the next token with a single blank if that whitespace
4049 is in a macro buffer and the next token is not '('.
4051 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4053 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4055 (skip_if_group): Ditto.
4056 (skip_to_end_of_comment): Ditto.
4058 (discard_comments): Ditto.
4059 (change_newlines): Ditto.
4061 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4063 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4065 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4067 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4068 (TARGET_OPTIONS): Add --help documentation.
4070 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4072 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4074 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4076 * fixinc/* Moved in from ../contrib directory in preparation
4077 for integrating it into the normal build process. In particular,
4078 fixinc/Makefile.in must be config-ed into the build directory
4079 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4080 ./configure.in will be "in the mail" momentarily.
4082 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4084 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4085 accidently walk into the free list. Comment how that can happen.
4086 (invalidate): Fix indentation.
4088 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4089 Jeffrey A Law (law@cygnus.com)
4091 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4092 reload. Never perform rescans of the insn chain after reload.
4093 (propagate_block): Do not delete insn or create new autoinc addressing
4096 * jump.c (jump_optimize): Unconditionally use the code that was
4097 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4098 * reload1.c (reload): When reloading is finished, delete all
4099 REG_DEAD and REG_UNUSED notes.
4100 (emit_reload_insns): Delete all code that was conditional on
4101 PRESERVE_DEATH_INFO_REGNO_P.
4102 (no_longer_dead_regs): Delete variable.
4103 (reload_cse_delete_death_notes): Delete function.
4104 (reload_cse_no_longer_dead): Delete function.
4105 (reload_cse_regs_1): Delete all code to handle deletion of death
4107 (reload_cse_noop_set_p): Likewise.
4108 (reload_cse_simplify_set): Likewise.
4109 (reload_cse_simplify_operands): Likewise.
4110 (reload_cse_move2add): Likewise.
4111 * reorg.c (used_spill_regs): Delete declaration.
4112 (max_label_num_after_reload): Delete declaration.
4113 (find_dead_or_set_registers): Don't assume that spill regs are
4114 dead at a CODE_LABEL.
4115 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4117 * sched.c (sched_analyze_insn): Likewise.
4118 (update_flow_info): Likewise.
4119 * haifa-sched.c (sched_analyze_insn): Likewise.
4120 (update_flow_info): Likewise.
4121 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4122 * toplev.c (max_label_num_after_reload): Delete variable.
4123 (rest_of_compilation): Don't set max_label_num_after_reload.
4124 Call life_analysis after reload_cse_regs if optimizing.
4125 * config/gmicro/gmicro.h: Delete comment referring to
4126 PRESERVE_DEATH_INFO_REGNO_P.
4127 * config/i386/i386.h: Likewise.
4128 * config/m88k/m88k.h: Likewise.
4129 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4130 * config/sh/sh.h: Likewise.
4132 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4134 * loop.c (strength_reduce): Restore marking bct_p as
4136 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4137 HAVE_decrement_and_branch_on_count.
4138 (small_data_operand): Remove TARGET_ELF condition for marking
4139 parameters ATTRIBUTE_UNUSED.
4141 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4143 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4144 (SELECT_SECTION): Resync with svr4.h.
4146 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4148 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4151 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4153 * c-pragma.c (handle_pragma_token): Test for null tree before
4154 dereferencing TREE_CODE.
4156 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4158 * config/c4x/c4x.c: Convert to use GEN_INT.
4159 (c4x_parallel_process): Rework to handle new repeat loop structure.
4161 * config/c4x/c4x.md: Convert to use GEN_INT.
4162 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4163 (decrement_and_branch_on_count): Likewise.
4165 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4166 loop.c has the desired functionality.
4167 (rc_reg_operand): New prototype.
4169 * config/c4x/t-c4x: Can now build all front ends.
4171 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4173 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4175 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4177 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4178 * config/t-rtems: Do not install assert.h -- use newlib's.
4180 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4182 * combine.c (combine_instructions): When finished, call init_recog.
4183 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4185 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4187 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4189 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4191 * cppalloc.c (memory_full): Mark function prototype with
4194 * demangle.h (collect_exit): Likewise.
4196 * fix-header.c (v_fatal, fatal): Likewise.
4198 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4201 * gcov.c (print_usage): Likewise.
4203 * genattr.c (fatal, fancy_abort): Likewise.
4205 * genattrtab.c (fatal, fancy_abort): Likewise.
4207 * gencodes.c (fatal, fancy_abort): Likewise.
4209 * genconfig.c (fatal, fancy_abort): Likewise.
4211 * genemit.c (fatal, fancy_abort): Likewise.
4213 * genextract.c (fatal, fancy_abort): Likewise.
4215 * genflags.c (fatal, fancy_abort): Likewise.
4217 * genopinit.c (fatal, fancy_abort): Likewise.
4219 * genoutput.c (fatal, fancy_abort): Likewise.
4221 * genpeep.c (fatal, fancy_abort): Likewise.
4223 * genrecog.c (fatal, fancy_abort): Likewise.
4225 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4226 __sjpopnthrow, __throw): Likewise.
4228 * objc/objc-act.c (objc_fatal): Likewise.
4230 * protoize.c (usage, aux_info_corrupted,
4231 declare_source_confusing): Likewise.
4233 * rtl.c (dump_and_abort): Likewise.
4235 * rtl.h (sets_cc0_p): Likewise.
4237 * toplev.c (float_signal, pipe_closed): Likewise.
4239 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4241 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4242 when generating the decision tree for the general case.
4244 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4245 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4247 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4249 * Makefile.in (sched.o): Depend on recog.h.
4251 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4252 (unsigned) when comparing against one.
4253 (find_base_value): Likewise.
4254 (record_base_value): Cast variable `regno' to (unsigned) when
4255 comparing against one. Cast the result of REGNO() macro to
4256 (unsigned) when comparing against one.
4257 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4259 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4260 variable where an unsigned index is needed.
4262 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4263 before comparing against one.
4265 * collect2.c: Add prototypes for functions `error', `fatal' and
4266 `fatal_perror'. Make these functions take variable arguments
4267 instead of faking it with a fixed number of args.
4268 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4271 * combine.c (can_combine_p): Mark parameter `pred' with
4273 (find_split_point): Cast variable `src' to (unsigned
4274 HOST_WIDE_INT) when comparing against one.
4275 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4276 (simplify_logical): Likewise.
4277 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4278 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4279 HOST_WIDE_INT) in shift.
4280 (simplify_and_const_int): Cast result of INTVAL() macro to
4281 `unsigned HOST_WIDE_INT' when comparing against one.
4282 (merge_outer_ops): Cast variable const0 to `unsigned
4283 HOST_WIDE_INT' when comparing against the result of
4284 GET_MODE_MASK() macro.
4285 (simplify_comparison): Likewise for variable `c0'. Cast variable
4286 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4287 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4288 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4289 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4290 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4291 comparing against one.
4292 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4294 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4295 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4296 (output_block_move): Cast `sizeof' expression to (int) when
4297 comparing against one.
4298 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4300 (save_restore_insns): Cast `base_offset' to `long' to match format
4301 specifier in fprintf.
4303 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4304 to `enum machine_mode'.
4306 * flow.c (life_analysis_1): Remove unused variable `insn'.
4308 * gcc.c (translate_options): Move variables `j' and `k' into the
4309 scope in which they are used. Change their types to `size_t'.
4310 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4311 (read_specs): Likewise.
4312 (process_command): Cast `sizeof' to (int) when comparing against one.
4313 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4314 (handle_braces): Cast both sides of `==' expression to `long' to
4315 ensure sign matching.
4316 (main): Cast variable `i' to `int' when comparing against one.
4318 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4319 int to size_t. Cast variable `i' to size_t when comparing against
4322 * genattrtab.c (convert_set_attr_alternative): Remove unused
4323 parameter `insn_code'. All callers changed.
4324 (convert_set_attr): Likewise.
4326 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4327 size_t when comparing against one. Likewise for variable `len'.
4329 * global.c (global_alloc): Cast variable `max_regno' to size_t
4330 when comparing against one. Likewise for variable `max_allocno'.
4332 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4334 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4335 `set' with ATTRIBUTE_UNUSED.
4336 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4339 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4340 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4341 (get_condition): Cast variable `const_val' to `unsigned
4342 HOST_WIDE_INT' when comparing against one. Cast unsigned
4343 expression to HOST_WIDE_INT when comparing against one.
4344 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4345 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4346 `unsigned' when comparing against one.
4348 * protoize.c (is_id_char): Change type of parameter `ch' to
4350 (munge_compile_params): Cast argument of ctype macro to (const
4352 (process_aux_info_file): Cast variable `aux_info_size' to int when
4353 comparing against one.
4354 (forward_to_next_token_char): Cast argument of ctype macro to
4355 `const unsigned char'.
4356 (edit_formals_lists): Likewise.
4357 (find_rightmost_formals_list): Likewise.
4358 (add_local_decl): Likewise.
4359 (add_global_decls): Likewise.
4360 (edit_fn_definition): Likewise.
4361 (do_cleaning): Likewise.
4362 (scan_for_missed_items): Likewise.
4363 (edit_file): Cast variable `orig_size' to (int) when comparing
4365 (main): Cast argument of ctype macro to `const unsigned char'.
4367 * recog.c (const_int_operand): Mark parameter `mode' with
4370 * regclass.c (record_reg_classes): Change type of variable `c' to
4371 `unsigned char'. Cast `char' array index to `unsigned char'.
4373 * reload.c (push_secondary_reload): Cast argument to
4374 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4376 * reload1.c (calculate_needs): Cast `char' array index to
4378 (set_label_offsets): Change type of variable `i' to unsigned int.
4379 Cast result of XVECLEN() macro to unsigned when comparing against
4381 (mark_not_eliminable): Change type of variable `i' to unsigned.
4382 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4383 when comparing against one.
4384 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4385 comparing against one.
4386 (choose_reload_regs): Hide unused label `fail'.
4387 (reload_cse_simplify_operands): Cast `char' array index to
4389 (reload_combine_note_store): Mark parameter `set' with
4390 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4392 (reload_cse_move2add): Remove unused variable `src2'.
4394 * sched.c: Include recog.h.
4395 (sched_note_set): Remove unused parameter `b'. All callers
4397 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4398 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4399 when comparing against one.
4401 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4402 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4403 comparing against one.
4405 * unroll.c (precondition_loop_p): Remove unused parameter
4406 `loop_end'. All callers changed.
4408 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4410 * reload1.c (maybe_fix_stack_asms): New static function.
4413 * reload.h (compute_use_by_pseudos): Declare.
4415 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4416 (something_needs_reloads): Delete variable.
4417 (finish_spills): New function.
4418 (compute_use_by_pseudos): New function.
4420 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4421 Use the reload_insn_chain instead of walking the rtl directly.
4423 (reload): Allocate and free spilled_pseudos.
4424 Ensure that all calls of spill_hard_reg are followed by a call to
4426 Use the insns_need_reload list instead of something_needs_reloads
4427 to find out if reload_as_needed must be called.
4428 Clear unused_insn_chains at the end.
4430 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4432 Delete code to keep track of current basic block.
4433 Walk reload_insn_chain instead of the rtl structure. Build the
4434 insns_need_reload chain.
4435 Remember which insns need reloading/elimination by setting the
4436 appropriate fields in struct insn_chain, not by putting modes on the
4439 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4440 arg INSN. All callers changed.
4441 Delete declaration of struct needs.
4442 Don't set something_needs_reloads.
4443 Record insn needs in the CHAIN argument.
4445 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4447 (reload_as_needed): Lose FIRST arg. All callers changed.
4448 Walk the reload_insn_chain instead of the rtx structure.
4449 Delete code to keep track of current basic block.
4450 Rename one of the NEXT variables to OLD_NEXT.
4452 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4454 (choose_reload_regs): Likewise.
4456 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4459 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4460 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4461 (hard_regs_live, hard_regs_need_restore): Delete variables.
4462 (n_regs_saved): Now static.
4463 (referenced_regs, this_insn_sets): New variables.
4465 (setup_save_areas): Restructure the code a bit.
4467 (restore_referenced_regs): Delete function.
4468 (mark_referenced_regs): New function, similar to the old
4469 restore_referenced_regs, but mark registers in referenced_regs.
4471 (clear_reg_live): Delete function.
4472 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4473 Only mark registers in this_insn_sets.
4475 (save_call_clobbered_regs): Rework this function to walk the
4476 reload_insn_chain instead of using the list of instructions directly.
4477 Delete code to keep track of register lives, compute live regs on the
4478 fly from information in the chain.
4479 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4480 then walk the set it computes and call insert_restore as appropriate.
4482 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4484 Restructure the code a bit. Test hard_regs_saved instead of
4485 hard_regs_need_restore.
4486 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4487 args. All callers changed.
4488 Restructure the code a bit. Use TO_SAVE to determine which regs to
4489 save instead of more complicated test.
4490 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4492 Create a new insn_chain structure for the new insn and place it
4495 * rtl.texi: Update documentation to reflect that reload no longer
4496 puts modes on the insns.
4498 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4500 * function.c (purge_addressof_1): Force the first argument of a
4501 CALL insn to memory.
4503 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4505 * rtl.h: Delete duplicate prototypes. Add some missing
4507 * rtlanal.c: (for_each_rtx): Formatting tweak.
4509 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4511 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4512 to be compatible with TI compiler.
4514 * Makefile.in (USER_H): Add va-c4x.h to definition.
4516 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4518 * function.c (purge_addressof_1): Fix typo in inequality: do
4519 bitfield optimization for equal mode sizes.
4520 * expmed.c (store_bit_field): Don't take subregs of subregs in
4521 the movstrict case. Tidy a potential problem in the multi-word case.
4522 (extract_bit_field): Likewise.
4524 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4526 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4528 Compute max_uid_for_flow by calling get_max_uid after the scan.
4529 (find_basic_blocks_1): Don't emit NOPs here.
4531 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4533 * alias.c (base_alias_check): Accept new args for the modes of the
4534 two references. Use them to determine if an AND can overlap. Update
4536 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4537 to determine if an AND can overlap.
4539 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4541 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4542 check. Add comment to document problems with TARGET_SUN_FPA version
4544 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4546 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4548 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4550 * c-common.c (print_char_table): Add missing initializers.
4551 (scan_char_table): Likewise.
4552 (time_char_table): Likewise.
4554 * c-decl.c (c_decode_option): Mark parameter `argc' with
4556 (declare_parm_level): Mark parameter `definition_flag' with
4559 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4560 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4563 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4565 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4567 (expand_call): Cast result of MIN() to (unsigned int) when
4568 comparing against an unsigned value.
4570 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4572 (make_definition): Remove unused parameter `op'. All callers
4574 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4575 comparing against the result of pointer arithmetic.
4577 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4578 when comparing against one.
4580 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4581 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4583 (output_die): Move variable `i' into the scope in which it is
4584 used. Change its type to `unsigned'.
4585 (output_die): Cast the result of `strlen' to (int) when passing it
4586 to ASM_OUTPUT_ASCII().
4587 (output_pubnames): Likewise.
4588 (output_line_info): Likewise.
4590 * emit-rtl.c (global_rtl): Add missing initializers.
4592 * explow.c (promote_mode): Mark parameter `for_call' with
4595 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4596 `unsigned HOST_WIDE_INT' when comparing against one.
4597 (synth_mult): Change type of variable `cost' to int.
4598 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4600 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4601 when comparing against one.
4602 (get_inner_reference): Change variable `alignment' to unsigned.
4603 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4604 int) when comparing against one.
4605 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4607 * fold-const.c (div_and_round_double): Cast BASE to
4608 (HOST_WIDE_INT) when comparing against one.
4610 * gencheck.c: Include gansidecl.h.
4611 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4613 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4614 `tcode' with ATTRIBUTE_UNUSED.
4616 * real.c (edivm): Cast constant value to (unsigned long) in
4617 expression compared against an unsigned value.
4619 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4620 comparing against one.
4621 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4622 when comparing against one.
4624 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4625 (unsigned int) when comparing against one. Likewise for
4627 (smallest_mode_for_size): Likewise.
4628 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4629 (restore_storage_status): Likewise.
4631 * toplev.c (debug_args): Add missing initializer.
4632 (f_options): Spelling correction. Add missing initializers.
4633 (documented_lang_options): Likewise.
4634 (debug_end_source_file): Mark parameter `lineno' with
4637 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4638 `decl' and `type' with ATTRIBUTE_UNUSED.
4640 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4641 when comparing against one.
4642 (assemble_variable): Mark parameter `top_level' with
4644 (assemble_external_libcall): Mark parameter `fun' with
4646 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4649 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4651 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4652 Replace use of r5 with use of r19.
4654 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4656 * config/v850/v850.c (compute_register_save_size): Allow for the
4657 fact that helper functions save all registers, not just those used
4660 Replace constant 31 with macro LINK_POINTER_REGNUM.
4662 * config/v850/v850.md: Use 'indirect_operand' rather than
4663 'memory_operand' for bit test/set/clear patterns.
4665 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4667 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4668 * varasm.c (assemble_start_function et al): Don't call
4669 ASM_GLOBALIZE_LABEL for weak symbols.
4671 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4673 * cse.c (equiv_constant): Check for NULL return from
4674 gen_lowpart_if_possible().
4676 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4678 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4680 * collect2.c (main): Pass -EL/-EB through to the compiler.
4682 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4684 * expr.c (push_block): Handle targets where the stack grows
4685 to higher addresses, but args grow to lower addresses and
4686 ACCUMULATE_OUTGOING_ARGS is not defined.
4688 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4690 * config/v850/v850.c (print_operand): Extend meaning
4691 of 'c' operands to support .vtinherit.
4693 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4695 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4696 Added ATTRIBUTE_UNUSED to unused function arguments.
4697 (rc_reg_operand): New predicate.
4698 (c4x_rptb_insert): New function.
4699 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4700 (c4x_optimization_options): New function.
4702 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4703 (decrement_and_branch_on_count): New pattern.
4704 (rptb_top): Modified pattern to work with BCT optimization.
4706 * config/c4x/c4x.h (RC_REG): New register class.
4707 (rc_reg_operand): Define prototype.
4708 (IS_RC_REG): New macro.
4709 (IS_RC_OR_PSEUDO_REG): New macro.
4710 (IS_RC_OR_PSEUDO_REGNO): New macro.
4711 (OPTIMIZATION_OPTIONS): Define.
4713 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4715 * collect2.c (extract_init_priority): No priority is 65535.
4717 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4719 * Makefile.in (build_tooldir): new variable, same as old
4720 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4721 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4722 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4724 * configure.in (gxx_include_dir): set default based on unlibsubdir
4725 * Makefile.in (tooldir): ditto
4726 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4727 gxx_include_dir, includedir and tooldir
4728 (protoize.o, unprotoize.o): ditto
4730 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4732 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4734 * config/arm/thumb.c (thumb_override_options): Add warning about
4735 PIC code not being supported just yet.
4737 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4739 * flow.c: Update comment.
4740 (notice_stack_pointer_modification): New static function.
4741 (record_volatile_insns): Use it.
4742 (mark_regs_live_at_end): Mark the stack pointer as alive
4743 at the end of the function if current_function_sp_is_unchanging
4745 (life_analysis_1): Set current_function_sp_is_unchanging.
4746 * function.c: Define it.
4747 (init_function_start): Initialize it.
4748 * output.h: Declare it.
4749 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4750 the stack pointer as alive at the end of the function if
4751 current_function_sp_is_unchanging is set.
4752 * i386.c (ix86_epilogue): Optimize the restoring
4753 of the stack pointer.
4755 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4757 * version.c: Bump for snapshot.
4759 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4761 * c-pragma.c (handle_pragma_token): If passed a token instead
4762 of a tree, use that as the pack value.
4764 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4766 * flow.c (find_basic_blocks_1): Fix prototype.
4768 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4770 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4771 (struct tree_decl): New fields no_check_memory_usage.
4772 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4773 (init_attributes): Register it as a new attribute.
4774 (decl_attributes): Set flags on functions given that attribute.
4775 * c-decl.c (duplicate_decls): Merge new attribute.
4776 * expr.h (current_function_check_memory_usage): Declare new var.
4777 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4778 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4779 current_function_check_memory_usage.
4780 * function.h: Add field to struct function.
4781 * function.c (current_function_check_memory_usage): Define it.
4782 (push_function_context_to, pop_function_context_from): Save and
4784 (expand_function_start): Set it, based on global flag and function
4787 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4788 check non-automatic variables, to permit detection of writes to
4789 read-only locations in embedded systems without memory management.
4790 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4791 when emitting chkr_set_right_libfunc call, even if the argument is
4792 BLKmode or variable-sized; don't abort.
4794 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4795 symbols in Pmode, not VOIDmode.
4797 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4799 * cppexp.c: When forcing unsigned comparisons, cast both sides
4802 * cpphash.h: Move static declaration of hashtab[]...
4803 * cpphash.c: ...here.
4805 * cpplib.c: Cast difference of two pointers to size_t before
4806 comparing it to size_t. Cast signed to unsigned
4807 before comparing to size_t. (FIXME: struct argdata should use
4808 unsigned buffer sizes.)
4809 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4810 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4811 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4812 size_t before comparison.
4814 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4816 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4817 (find_basic_blocks_1): Similarly.
4818 * output.h (find_basic_blocks): Fix prototype.
4819 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4820 find_basic_blocks anymore.
4822 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4824 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4825 (sbitmap_free, sbitmap_vector_free): New macros.
4826 * output.h (rtl_dump_file): Declare.
4828 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4830 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4832 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4834 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4836 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4837 (divide): Remove unused variable `tmp'.
4838 (si_to_float): Cast numeric constant to (SItype) before comparing
4841 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4843 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4844 * gcc.c (add_preprocessor_option): Correct typo when allocating
4845 memory, sizeof() argument had one too many `*'.
4846 (add_assembler_option): Likewise.
4847 (add_linker_option): Likewise.
4848 * gcov.c (output_data): Likewise.
4849 * local-alloc.c (memref_used_between_p): Likewise.
4850 (update_equiv_regs): Likewise.
4851 * loop.c (strength_reduce): Likewise.
4852 * reg-stack.c (record_asm_reg_life): Likewise.
4853 (subst_asm_stack_reg): Likewise.
4854 * reorg.c (dbr_schedule): Likewise.
4856 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4858 * flow.c (life_analysis_1): Break out some functions.
4859 (find_basic_blocks_1): Likewise. Also move some variables out and
4861 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4862 new static var nonlocal_label_list with it.
4863 (active_eh_region, nested_eh_region, label_value_list,
4864 nonlocal_label_list): New static variables.
4865 (make_edges, delete_unreachable_blocks, delete_block): New static
4866 functions, broken out of find_basic_blocks_1.
4867 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4868 noop_move_p): New static functions, broken out of life_analysis_1.
4870 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4872 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4873 Take extra care for op0 now possibly being a subreg.
4874 (extract_bit_field): Likewise.
4875 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4876 the reg to memory if there is no equal sized integral mode.
4877 * stor-layout.c (int_mode_for_mode): New function.
4878 * machmode.h: Prototype it.
4880 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4882 * global.c (build_insn_chain): Verify no real insns exist past the
4883 end of the last basic block, then exit the loop.
4885 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4887 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4889 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4891 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4893 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4895 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4897 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4899 * flow.c (find_basic_blocks): Correctly determine when a call
4900 is within an exception region.
4902 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4904 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4906 * cpplib.h: Protect from multiple inclusions.
4907 * cpplib.c: Fix minor formatting problems.
4909 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4911 * jump.c (jump_optimize): Revert accidental patch.
4913 * Makefile.in (cpplib.o): Use unlibsubdir.
4915 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4917 * loop.c (get_condition): Allow combine when either compare is
4920 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4922 * version.c: Bump for snapshot.
4924 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4926 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4927 (init_lex): Initialize ridpointers[RID_BYREF].
4928 * c-lex.h (enum rid): Add RID_BYREF.
4929 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4930 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4931 (encode_type_qualifiers): Similarly
4932 * c-gperf.h: Rebuilt.
4934 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4936 * c-common.c (type_for_mode): Only return TItype nodes when
4937 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4938 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4939 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4940 (init_decl_processing): Only create TItype nodes when
4941 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4942 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4943 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4945 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4947 * stmt.c (n_occurrences): New static function.
4948 (expand_asm_operands): Verify that all constrains match in the
4949 number of alternatives.
4950 Verify that '+' or '=' are at the beginning of an output constraint.
4951 Don't allow '&' for input operands.
4952 Verify that '%' isn't written for the last operand.
4953 * reload.c (find_reloads): Abort if an asm is found with invalid
4954 constraints; all possible problems ought to be checked for earlier.
4956 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4958 * flags.h (flag_branch_on_count_reg): Always declare
4959 * toplev.c (flag_branch_on_count_reg): Likewise.
4960 * toplev.c: Fix typos.
4962 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4965 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4967 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4969 (find_basic_blocks_1): Add a nop to the end of a basic block when
4970 a trailing call insn does not have abnormal control flow.
4971 * gcse.c (pre_transpout): New variable.
4972 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4973 (compute_pre_transpout): Calculate it.
4974 (compute_pre_ppinout): Use it to eliminate impossible placements
4975 due to abnormal control flow through calls.
4976 (compute_pre_data): Call compute_pre_transpout.
4978 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4980 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4982 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4984 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4985 and matching define_insns): Tack on a `use' of the table label, so
4986 flow analysis will recognize a tablejump.
4988 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4990 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4991 always end basic blocks for abnormal edge reasons.
4993 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4995 * config/i386/i386.h: Remove definition of
4996 HANDLE_PRAGMA_PACK_PUSH_POP.
4998 * config/i386/go32.h: Add definition of
4999 HANDLE_PRAGMA_PACK_PUSH_POP.
5001 * config/i386/win32.h: Add definition of
5002 HANDLE_PRAGMA_PACK_PUSH_POP.
5004 * config/i386/cygwin32.h: Add definition of
5005 HANDLE_PRAGMA_PACK_PUSH_POP.
5007 * c-pragma.c (insert_pack_attributes): Do not insert
5008 attributes unless #pragma pack(push,<n>) is in effect.
5010 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5012 * expr.c (emit_group_store): Handle a PARALLEL destination.
5014 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5016 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5017 the new insns before the argument regs are loaded.
5019 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5021 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5022 (c-parse.gperf): Update comments describing invocation flags.
5023 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5025 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5027 * reload1.c (reload): Call free before clobbering the memory
5028 locations or constants pointers.
5030 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5032 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5033 for efficiency by checking whether we need to modify the current
5034 stack permission at all.
5035 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5036 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5037 __enable_execute_stack libcall here too if
5038 TRANSFER_FROM_TRAMPOLINE is defined.
5039 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5042 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5044 * Makefile.in (DRIVER_DEFINES): Remove last change.
5046 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5048 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5049 insns we're going to copy.
5050 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5052 * loop.c (count_one_set): Add prototype.
5054 * caller-save.c (restore_referenced_regs): Lose mode argument.
5055 (insert_save): Lose mode argument.
5056 (insert_restore): Lose mode argument.
5057 (insert_one_insn): Lose mode argument.
5058 (save_call_clobbered_regs): Lose mode argument.
5059 (setup_save_areas): Take no argument and return void. All callers
5061 Don't verify validity of memory addresses.
5062 * reload.h (setup_save_ares): Adjust prototype.
5063 (save_call_clobbered_regs): Likewise.
5064 * reload1.c (delete_caller_save_insns): New function.
5065 (caller_save_spill_class): Delete variable.
5066 (caller_save_group_size): Delete variable.
5067 (reload): Call setup_save_areas and save_call_clobbered_regs
5068 in the main loop, before calling calculate_needs_all_insns.
5069 Don't call save_call_clobbered_regs after the loop.
5070 Call delete_caller_save_insns at the end of an iteration if
5072 Delete code to manage caller_save_spill_class.
5073 Emit the final note before setting reload_first_uid.
5074 Simplify test that determines whether reload_as_needed gets run.
5075 (calculate_needs): Delete code to manage caller_save_spill_class.
5077 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5079 * collect2.c (main): Initialize ld_file_name.
5081 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5083 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5084 check for flag_function_sections.
5086 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5088 * cse.c (insert_regs): Fix bug in Sep 24 change.
5090 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5092 * flags.h (flag_dump_unnumbered): Declare.
5093 * toplev.c (flag_dump_unnumbered): Don't declare.
5094 * print-rtl.c (flags.h): Include.
5095 (print_rtl_single): Add return value.
5096 * rtl.h (print_rtl_single): Update declaration.
5097 * flow.c (flag_dump_unnumbered): Don't declare.
5098 (print_rtl_with_bb): Use return value of print_rtl_single.
5100 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5102 * loop.c (count_one_set): New static function, broken out of
5104 (count_loop_regs_set): Call it.
5105 * global.c (mark_reg_store): Handle clobbers here by not calling
5107 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5108 is in fact a clobber.
5109 * integrate.c (process_reg_param): New function, broken out of
5110 expand_inline_function.
5111 (expand_inline_function): Call it.
5114 * i386.md (addsidi3_1): Delete unused variable temp.
5115 (addsidi3_2): Likewise.
5116 (clstrstrsi): Delete unused variable addr1.
5118 * rtl.h: Don't declare any functions also declared in recog.h.
5120 * Makefile.in (stupid.o): Update dependencies.
5121 (global.o): Likewise.
5123 * global.c: Include reload.h
5124 (reg_becomes_live): New function.
5125 (reg_dies): New function.
5126 (build_insn_chain): New function.
5127 (global_alloc): Call build_insn_chain before calling reload.
5129 * reload.h (struct needs): New structure definition.
5130 (struct insn_chain): Likewise.
5131 (reload_insn_chain): Declare variable.
5132 (new_insn_chain): Declare function.
5135 * reload1.c (reload_startobj): New variable.
5136 (reload_insn_chain): New variable.
5137 (unused_insn_chains): New variable.
5138 (new_insn_chain): New function.
5139 (init_reload): Initialize reload_startobj, not reload_firstobj.
5140 (reload): Initialize reload_firstobj.
5141 Before returning, free everything on the reload_obstack.
5143 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5144 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5145 current_chain): New variables.
5146 (reg_where_born): Delete variable.
5147 (REG_WHERE_BORN): New macro.
5148 (find_clobbered_regs): New function.
5149 (stupid_life_analysis): Don't allocate/free reg_where_born.
5150 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5151 reg_where_dead_chain.
5152 Use REG_WHERE_BORN instead of reg_where_born.
5153 While processing the insns, build the reload_insn_chain with
5154 information about register lifetimes.
5155 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5156 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5158 Compute and information about birth and death of pseudo registers in
5159 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5160 Delete code to set elements of reg_where_born.
5162 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5164 * tree.def (GOTO_EXPR): Modified documentation.
5165 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5168 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5170 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5171 loop_final_value, loop_comparison_code): No longer static.
5172 (unroll_loop): Delete loop_start_value update.
5173 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5174 loop_final_value, loop_comparison_code): Extern.
5175 (loop_start_value): Delete extern.
5176 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5177 loop_comparison_value, loop_comparison_code): Delete.
5178 (loop_optimize): Remove initialization for deleted variables.
5179 (strength_reduce): Delete analyze_loop_iterations call. Only call
5180 insert_bct if flag_branch_count_on_reg set.
5181 (analyze_loop_iterations): Delete.
5182 (insert_bct): Remove iteration count calculation. Move checks for
5183 viable BCT optimization to here. Obtain iteration count from
5184 loop_iterations and correct for unrolling. Check for enough
5185 iteration to be beneficial. Comment out runtime iteration count
5187 (insert_bct): Print iteration count in dump file. Remove
5188 loop_var_mode and use word_mode directly.
5190 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5191 * rs6000.c (rs6000_override_options): Use it.
5192 (optimization_options): Enable use of flag_branch_on_count_reg.
5193 * rs6000.md (define_function_unit): Describe 604e.
5195 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5197 * loop.c (move_movables): Corrected threshold calculation for
5198 moved_once registers.
5200 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5202 * loop.c (combine_givs_p): Fix test for identical givs.
5204 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5206 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5207 call abort if the function is already defined.
5209 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5211 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5212 truncation is not a no-op.
5214 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5216 * version.c: Bump for snapshot.
5218 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5220 * version.c: Bump for snapshot.
5222 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5224 * expmed.c (expand_divmod): Don't widen for computing remainder
5225 if we seem to have a divmod pattern for needed mode.
5227 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5229 * cpplib.c (macroexpand): Correct off-by-one error in handling
5232 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5234 * combine.c (expand_field_assignment): Don't do bitwise operations
5235 on MODE_FLOAT; pun to MODE_INT if possible.
5237 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5238 scott snyder <snyder@d0sgif.fnal.gov>
5240 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5241 linker. Recognize mangled names in quotes.
5243 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5245 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5246 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5247 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5248 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5250 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5252 * function.c (purge_addressof_1): If trying to take a sub-word
5253 integral piece of a floating point mode, put it on the stack.
5255 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5257 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5259 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5261 * PROJECTS: Remove template friends.
5263 * collect2.c (sort_ids): Remove unused variable.
5265 * tm.texi (MATH_LIBRARY): Document.
5266 (NEED_MATH_LIBRARY): Remove.
5268 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5269 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5271 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5273 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5274 last_end to 0x7fffffff.
5276 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5278 * function.c (purge_addressof_1): Do not perform endianness
5279 corrections on bitpos, who we call will do it for us.
5281 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5283 * h8300.c (WORD_REG_USED): Fix typo.
5284 (initial_offset): Use WORD_REG_USED.
5286 * h8300.c (handle_pragma): Fix typo.
5288 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5290 * caller-save.c (insert_save_restore): Break this function up
5291 into new functions insert_restore, insert_save and insert_one_insn.
5292 All callers changed.
5293 (insert_restore): New function, mostly broken out of
5294 insert_save_restore.
5295 (insert_save): Likewise.
5296 (insert_one_insn): Likewise.
5297 (restore_referenced_regs): New argument BLOCK. All callers changed.
5298 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5299 in this function, do it in insert_one_insn instead.
5301 * reload1.c (reload): Break out some more pieces into separate
5303 (dump_needs): New function, broken out of reload.
5304 (set_initial_elim_offsets): Likewise.
5305 (init_elim_table): Likewise.
5306 (update_eliminables): Likewise.
5308 * global.c (global_alloc): Delete code to manage the scratch_list.
5309 * local-alloc.c (qty_scratch_rtx): Delete.
5310 (scratch_block): Delete.
5311 (scratch_list): Delete.
5312 (scratch_list_length): Delete.
5313 (scratch_index): Delete.
5314 (alloc_qty_for_scratch): Delete.
5315 (local-alloc): Update initialization of max_qty.
5316 Delete code to manage the scratch list.
5317 Delete code to allocate/initialize qty_scratch_rtx.
5318 (block_alloc): Don't allocate quantities for scratches.
5319 Delete code to manage the scratch list.
5320 * regs.h (scratch_list): Delete declaration.
5321 (scratch_block): Delete declaration.
5322 (scratch_list_length): Delete declaration.
5323 * reload1.c (reload): Delete code to manage the scratch list.
5324 (spill_hard_reg): Likewise.
5325 (mark_scratch_live): Delete.
5327 * recog.c (alter_subreg): Delete declaration.
5329 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5331 * Makefile.in (cccp.o): Fix typo in last patch.
5333 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5335 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5336 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5338 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5340 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5341 NULL_RTX as an argument.
5343 * Makefile.in (unlibsubdir): Define.
5344 (DRIVER_DEFINES): Use unlibsubdir.
5345 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5346 (stmp-fixinc): Similarly.
5348 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5350 * regmove.c (regmove_optimize): Add variable old_max_uid.
5351 At the end of the function, update basic_block_end.
5353 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5355 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5356 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5359 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5361 * config/arm/arm.c: Improve interworking support.
5363 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5365 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5366 copied from reload_out[r] .
5368 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5370 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5371 with more than three size ranges.
5373 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5375 * rtl.c (mode_name): Add a null string at the end of the array.
5376 (mode_wider_mode): Change type to unsigned char.
5377 (mode_mask_array): New variable.
5378 (init_rtl): Update for mode_wider_mode type change.
5380 * rtl.h (mode_wider_mode): Change type to unsigned char.
5381 (mode_mask_array): Declare.
5382 (GET_MODE_MASK): Use mode_mask_array.
5384 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5386 * calls.c (expand_call) : Encapsulate code into
5387 copy_blkmode_from_reg.
5388 * expr.c (copy_blkmode_from_reg): New function.
5389 * expr.h (copy_blkmode_from_reg): New function.
5390 * integrate.c (function_cannot_inline_p): We can inline
5392 (expand_inline_function): Use copy_blkmode_from_reg
5393 if needed. Avoid creating BLKmode REGs.
5394 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5397 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5399 * config/v850/v850.c: Add function prototypes.
5400 Add support for v850 special data areas.
5402 * config/v850/v850.h: Add support for v850 special data areas.
5404 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5405 HANDLE_PRAGMA_PACK_PUSH_POP.
5406 (push_alignment): New function: Cache an alignment requested
5407 by a #pragma pack(push,<n>).
5408 (pop_alignment): New function: Pop an alignment from the
5410 (insert_pack_attributes): New function: Generate __packed__
5411 and __aligned__ attributes for new decls whilst a #pragma pack
5413 (add_weak): New function: Cache a #pragma weak directive.
5414 (handle_pragma_token): Document calling conventions. Add
5415 support for #pragma pack(push,<n>) and #pragma pack (pop).
5417 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5418 are defined enable HANDLE_PRAGMA_PACK.
5419 Move 'struct weak_syms' here (from varasm.c).
5420 Add pragma states for push and pop pragmas.
5422 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5425 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5426 HANDLE_GENERIC_PRAGMAS.
5428 * varasm.c: Move definition of 'struct weak_syms' into
5430 (handle_pragma_weak): Deleted.
5432 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5434 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5436 * c-decl.c (start_function): Add invocation of
5437 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5439 * tm.texi: Remove description of non-existant macro
5440 SET_DEFAULT_SECTION_NAME.
5442 (HANDLE_SYSV_PRAGMA): Document.
5443 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5445 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5447 * config.sub: Recognize i[34567]86-pc-udk as new target.
5448 * configure.in: Likewise.
5449 * config/i386/t-udk: New file.
5450 * config/i386/udk.h: New file.
5452 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5454 * reorg.c (check_annul_list_true_false): Remove unused variables.
5455 (steal_delay_list_from_target): Add missing "used_annul" variable.
5456 (try_merge_delay_insns): Close out half formed comment.
5458 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5460 * cpplib.c (macroexpand): If arg->raw_before or
5461 arg->raw_after, remove any no-reexpansion escape at the
5462 beginning of the pasted token. Correct handling of whitespace
5463 markers and no-reexpand markers at the end if arg->raw_after.
5465 * toplev.c (documented_lang_options): Recognize -include,
5466 -imacros, -iwithprefix, -iwithprefixbefore.
5467 * cpplib.c (cpp_start_read): Process -imacros and -include
5468 switches at the same time and in command-line order, after
5469 initializing the dependency-output code. Emit properly nested
5470 #line directives for them. Emit a #line for the main file
5471 before processing these switches, and don't do it again
5474 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5476 * function.c (purge_addressof_1): Use bitfield manipulation
5477 routines to handle mem mode < reg mode.
5479 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5481 * reorg.c (try_merge_delay_insns): Account for resources referenced
5482 in each instruction in INSN's delay list before trying to eliminate
5483 useless instructions. Similarly when looking at a trial insn's delay
5486 * reorg.c (check_annul_list_true_false): New function.
5487 (steal_delay_list_from_{target,fallthrough}): Call it and also
5488 refine tests for when we may annul if already filled a slot.
5489 (fill_slots_from_thread): Likewise.
5490 (delete_from_delay_slot): Return newly-created thread.
5491 (try_merge_delay_isns): Use its new return value.
5493 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5495 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5496 used to compute a giv or as some other non-counting use.
5498 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5500 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5501 * local-alloc.c (find_free_reg): Use it.
5502 * global.c (find_reg): Likewise.
5503 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5505 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5506 * caller-save.c (init_caller_save): Use it.
5507 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5509 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5511 * configure.in: Add --enable-cpplib option which uses cpplib
5512 for cpp, but doesn't link cpplib into cc1. Make help text
5513 capitalization consistent.
5514 * configure: Rebuilt.
5516 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5518 * function.c (gen_mem_addressof): If the address REG is
5519 REG_USERVAR_P make the new REG be so also.
5520 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5521 in an attempt to clarify slightly.
5523 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5525 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5526 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5528 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5530 * toplev.c: Fix last patch.
5532 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5534 * loop.c (get_condition): Fix typo in May 9 change.
5536 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5538 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5540 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5542 * toplev.c (documented_lang_options): Spelling corrections.
5544 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5546 * configure.in: new flags --with-ld and --with-as, equivalent
5547 to setting LD and AS environment variables. Test whether
5548 specified arguments are GNU commands, and report them with
5549 checking messages. Use the specified AS for configure
5552 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5554 * gcc.c (find_a_file): when looking for `as' and `ld', return
5555 the DEFAULT program if it exists
5556 * collect2.c (main): use DEFAULT_LINKER if it exists
5558 * gcc.c (find_a_file): the test for existence of a full
5559 pathname was reversed
5561 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5563 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5564 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5566 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5568 * tree.h (TYPE_BINFO): Document.
5570 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5572 * i386-coff.h (dbxcoff.h): Added.
5574 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5576 * toplev.c: fix bad patch around flag_data_sections.
5578 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5580 * reload1.c (reload): Use reload_address_index_reg_class and
5581 reload_address_base_reg_class when setting
5582 caller_save_spill_class. (Patch generated by Jim Wilson:
5585 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5587 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5588 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5589 * expr.c (store_field): Add alias_set parameter. Set the
5590 MEM_ALIAS_SET accordingly, if the target is a MEM.
5591 (expand_assignment): Use it.
5592 (store_constructor_field): Pass 0.
5593 (expand_expr): Likewise.
5595 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5597 * flags.h: Add flag_data_sections.
5598 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5599 (compile_file): Error if flag_data_sections not supported.
5600 * varasm.c (assemble_variable): Handle flag_data_sections.
5601 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5602 * config/mips/elf.h: Likewise.
5603 * config/mips/elf64.h: Likewise.
5604 * invoke.texi: Describe -fdata-sections.
5606 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5608 * invoke.texi (-ffloat-store): Clarify that this option
5609 does not affect intermediate results -- only variables.
5611 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5613 * cpp.texi: Update for Fortran usage from Craig.
5615 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5617 * rs6000.c (function_arg_boundary): Revert accidental change on
5620 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5622 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5623 (output_mi_thunk): Declare.
5625 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5626 (output_function_profiler): Use r12 for temp, instead of r11 so
5627 that we preserve the static chain register.
5629 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5631 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5633 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5635 * sh.c (gen_shl_sext): Fix case 5.
5637 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5639 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5641 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5643 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5644 accessing variables until they are initialized via va_arg().
5646 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5648 * reload1.c (reload_combine): Initialize set before using.
5650 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5652 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5655 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5657 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5658 operand3 with mask before using it. Patch provided by Jim Wilson.
5660 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5662 * config/sparc/sparc.c (function_value): Perform the equivalent of
5663 PROMOTE_MODE for ARCH64.
5664 (eligible_for_epilogue_delay): Allow DImode operations in delay
5665 slot of a return for ARCH64.
5667 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5669 * sh.md (sqrtsf2): Fix mode of sqrt.
5671 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5673 * reload1.c (choose_reload_regs): Also try inheritance when
5674 reload_in is a stack slot of a pseudo, even if we already got a
5677 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5679 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5680 (reload_cse_regs): New function body: call reload_cse_regs_1,
5681 reload_combine, reload_cse_move2add.
5682 When doing expensive_optimizations, call reload_cse_regs_1 a
5683 second time after reload_cse_move2add.
5684 (reload_combine, reload_combine_note_store): New functions.
5685 (reload_combine_note_use): New function.
5686 (reload_cse_move2add, move2add_note_store): New functions.
5688 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5690 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5691 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5693 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5694 more than 3 such reloads.
5696 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5697 RELOAD_FOR_X_ADDR_ADDR reload.
5699 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5701 * expr.c (store_constructor): When initializing a field that is smaller
5702 than a word, at the start of a word, try to widen it to a full word.
5704 * cse.c (cse_insn): When we are about to change a register,
5705 remove any invalid references to it.
5707 (remove_invalid_subreg_refs): New function.
5708 (mention_regs): Special treatment for SUBREGs.
5709 (insert_regs): Don't strip SUBREG for call to mention_regs.
5710 Check if reg_tick needs to be bumped up before that call.
5711 (lookup_as_function): Try to match known word_mode constants when
5712 looking for a norrower constant.
5713 (canon_hash): Special treatment for SUBREGs.
5715 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5717 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5718 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5719 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5720 and offsets in actual stack trampoline code so they match the
5721 commentary and actually work.
5723 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5725 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5727 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5728 tmake_file. Set extra_parts to needed crt objects.
5729 * configure: Rebuilt.
5730 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5731 (TARGET_DEFAULT): Set if default is v9 or ultra.
5732 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5733 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5734 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5735 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5736 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5737 (TARGET_VERSION): Define.
5738 (MULTILIB_DEFAULT): Define.
5739 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5740 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5741 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5743 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5744 * config/sparc/sparc.c (sparc_override_options): If arch and
5745 pointer size disagree, emit diagnostic and fix it up. If
5746 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5747 V8PLUS in 64-bit mode.
5748 * config/sparc/t-linux64: New file.
5749 * config/sparc/t-sol2-64: New file.
5750 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5751 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5752 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5753 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5754 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5755 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5757 (STARTFILE_SPEC): Set approriately based upon those.
5758 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5759 disposition of DEFAULT_ARCH32_P.
5760 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5761 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5762 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5763 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5764 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5766 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5768 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5770 * rtl.h (init_virtual_regs): New function.
5771 * emit-rtl.c (init_virtual_regs): Define.
5772 (insn_emit): Use it.
5773 * integrate.c (save_for_inline_copying): Likewise.
5775 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5777 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5778 (enum reg_class): Add NONARG_LO_REGS support.
5779 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5780 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5781 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5782 completes. Re-enable HImode REG+OFFSET addresses.
5783 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5785 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5787 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5789 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5790 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5791 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5793 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5795 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5796 jumps as a single entity, taking into account the size of the
5799 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5801 * tree.def (SWITCH_EXPR): New tree node definition.
5803 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5805 * version.c: Bump for snapshot.
5807 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5809 * version.c: Bump for snapshot.
5811 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5813 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5816 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5818 * Revert this patch.
5819 * reload.c (find_reloads): Do not replace a pseudo with
5820 (MEM (reg_equiv_addr)) in the initializing insn for the
5823 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5825 * final.c (final_scan_insn): Disable tracking CC across branches.
5827 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5829 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5830 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5831 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5832 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5833 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5835 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5837 * toplev.c (rest_of_compilation): Skip compiling anything with
5838 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5840 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5842 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5843 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5844 use in_libcall_block.
5845 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5846 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5849 Mon Sep 21 14:02:23 1998
5851 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5852 typo in no-fancy-math-387 description.
5854 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5856 * version.c: Bump for snapshot.
5858 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5860 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5862 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5864 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5865 documented in install.texi.
5866 (TARGET_OPTIONS) Likewise.
5868 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5870 * version.c: Bump for snapshot.
5872 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5874 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5875 * cccp.c (main): Likewise.
5877 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5878 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5881 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5883 * Makefile.in (LIBS): Link in libiberty.a.
5884 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5886 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5888 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5889 it to update bb boundaries. Update caller.
5890 * function.c (reposition_prologue_and_epilogue_notes): Update
5891 bb boundaries wrt the moved note.
5893 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5895 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5897 * configure: Regenerate.
5899 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5901 * alpha.c (alpha_sr_alias_set): New variable.
5902 (override_options): Set it.
5903 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5904 (mode_mask_operand): Fix signed-unsigned comparision warning.
5905 (alpha_expand_block_move): Likewise.
5906 (print_operand): Likewise.
5907 (get_aligned_mem): Use change_address.
5908 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5909 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5910 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5911 (alpha_align_insns): Remade from old alphaev5_align_insns
5912 to handle multiple processors.
5913 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5914 * output.h (label_to_alignment): Prototype.
5916 * tree.c (new_alias_set): New function.
5917 * tree.h (new_alias_set): Declare it.
5918 * c-common.c (c_get_alias_set): Use it.
5920 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5922 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5923 to an ABS expr, convert an unsigned input to signed.
5925 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5927 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5929 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5931 * configure.in: Add support for c4x targets.
5932 * configure: Rebuilt.
5934 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5936 * combine.c (distribute_notes): If an insn is a cc0 user, only
5937 delete it if we can also delete the cc0 setter.
5939 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5941 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5942 (invert_truthvalue): Enable truthvalue inversion for
5943 floating-point operands if -ffast-math.
5945 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5947 * configure.in: Disable collect2 for nextstep. Instead use
5949 * configure: Rebuilt.
5950 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5951 (ENDFILE_SPEC): Define.
5952 (OBJECT_FORMAT_MACHO): Define.
5953 (EH_FRAME_SECTION_ASM_OP): Define.
5954 * crtstuff.c: Handle MACHO.
5956 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5958 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5960 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5962 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5963 (_fpadd_parts): Get sign right for 0.
5965 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5967 * ginclude/varargs.h: Add support for C4x target.
5968 * ginclude/stdargs.h: Likewise.
5970 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5972 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5973 (alpha_emit_set_long_const): Rewrite to be callable from reload
5975 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5976 * alpha.md (movdi): Likewise.
5978 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5980 * arm.c (add_constant): New parameter address_only, change caller.
5981 Set it non-zero if taking the address of an item in the pool.
5982 (arm_reorg): Handle cases where we need the address of an item in
5985 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5987 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5988 memory addresses that are not in standard canonical form.
5990 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5992 * README.C4X: New file with information about the c4x ports.
5993 * ginclude/va-c4x.h: New file for c4x varargs support.
5994 * config/c4x: New directory with c4x port files.
5996 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5998 * reload.c (find_reloads): Do not replace a pseudo with
5999 (MEM (reg_equiv_addr)) in the initializing insn for the
6002 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6004 * toplev.c (rest_of_compilation): Set bct_p on second call to
6006 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6008 (strength_reduce): Only call analyze_loop_iterations and
6009 insert_bct if bct_p set.
6010 (check_dbra_loop): Fix typo.
6011 (insert_bct): Use word_mode instead of SImode.
6012 (instrument_loop_bct): Likewise. Do not delete iteration count
6013 condition code generation insn. Initialize iteration count before
6015 * rtl.h (loop_optimize): Update prototype.
6017 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6018 not doubleword aligned.
6020 * rs6000.c (optimization_options): New function.
6021 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6022 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6023 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6024 first; cr1 can be used for FP record condition insns.
6026 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6028 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6031 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6034 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6036 (block_move_call): New function: Call a library routine to copy a
6038 (m32r_expand_block_move): New function: Expand a "movstrsi"
6039 pattern into a sequence of insns.
6040 (m32r_output_block_move): New function: Expand a
6041 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6042 (m32r_block_immediate_operand): New function: Return true if the
6043 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6045 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6047 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6049 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6051 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6053 * regmove.c (copy_src_to_dest): Check that modes match.
6055 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6057 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6059 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6061 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6062 narrower than FLOAT_REGS.
6064 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6066 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6068 * Makefile.in (old_gxx_include_dir): removed
6070 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6072 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6075 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6076 (sh_handle_pragma): Change function arguments to match new
6077 specification for HANDLE_PRAGMA.
6079 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6081 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6083 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6084 When generating output, initialize missing struct member to zero.
6086 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6088 * regmove.c (copy_src_to_dest): Don't copy if that requires
6089 (a) new register(s).
6091 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6093 * global.c (reg_allocno): Now static.
6094 * reload1.c (reg_allocno): Delete declaration.
6095 (order_regs_for_reload): Take no arguments. Don't treat regs
6096 allocated by global differently than those allocated by local-alloc.
6098 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6100 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6101 condition, fix format strings.
6102 (output_function_epilogue): Likewise.
6104 * m68k/m68k.c: Don't include <stdlib.h> directly.
6106 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6108 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6109 mem_first_set, mem_last_set; because 0 can be a CUID.
6110 (oprs_unchanged_p): Use new definition.
6111 (record_last_reg_set_info): Likewise.
6112 (record_last_mem_set_info): Likewise.
6113 (compute_hash_table): Likewise.
6115 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6117 * rs6000.c (output_epilogue): Handle Chill.
6119 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6120 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6122 * combine.c (make_extraction): If no mode is specified for
6123 an operand of insv, extv, or extzv, default it to word_mode.
6124 (simplify_comparison): Similarly.
6125 * expmed.c (store_bit_field): Similarly.
6126 (extract_bit_field): Similarly.
6127 * function.c (fixup_var_regs_1): Similarly.
6128 * recog.c (validate_replace_rtx_1): Similarly.
6129 * mips.md (extv, extzv, insv expanders): Default modes for most
6130 operands. Handle TARGET_64BIT.
6131 (movdi_uld, movdi_usd): New patterns.
6133 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6134 equivalent memory location unless we have been provided a scratch
6135 register. Similarly do not call find_replacement unless a
6136 scratch register has been provided.
6138 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6140 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6143 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6145 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6146 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6147 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6148 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6149 * c-decl.c (init_decl_processing): Update accordingly.
6150 * expr.c (expand_builtin): Likewise.
6152 * rtl.h (global_rtl): Add cfa entry.
6153 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6154 (LAST_VIRTUAL_REGISTER): Update.
6155 * emit-rtl.c (global_rtl): Add cfa entry.
6156 (init_emit): Initialize it.
6157 * function.c (cfa_offset): New.
6158 (instantiate_virtual_regs): Initialize it.
6159 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6160 (expand_function_end): Call expand_eh_return.
6161 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6163 * except.c (current_function_eh_stub_label): Kill.
6164 (current_function_eh_old_stub_label): Likwise; update all references.
6165 (expand_builtin_set_return_addr_reg): Kill.
6166 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6167 (expand_builtin_set_eh_regs): Kill.
6168 (eh_regs): Produce a third reg for the actual handler address.
6169 (eh_return_context, eh_return_stack_adjust): New.
6170 (eh_return_handler, eh_return_stub_label): New.
6171 (init_eh_for_function): Initialize them.
6172 (expand_builtin_eh_return, expand_eh_return): New.
6173 * except.h: Update prototypes.
6174 * flow.c (find_basic_blocks_1): Update references to the stub label.
6175 * function.h (struct function): Kill stub label elements.
6177 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6178 register number is one that would be in the previous window.
6179 Provide a dummy definition for non-windowed targets.
6180 (get_reg_addr): New function.
6181 (get_reg, put_reg, copy_reg): Use it.
6182 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6183 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6185 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6186 (alpha_init_expanders): Initialize it.
6187 (alpha_expand_epilogue): Use it.
6188 * alpha.h: Declare it.
6189 * alpha.md (eh_epilogue): New.
6191 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6192 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6194 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6196 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6199 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6201 * except.h (struct eh_entry): Add false_label field.
6202 (end_catch_handler): Add prototype.
6203 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6204 (start_catch_handler): When using old style exceptions, issue
6205 runtime typematch code before continuing with the handler.
6206 (end_catch_handler): New function, generates label after handler
6207 if needed by older style exceptions.
6208 (expand_start_all_catch): No need to check for new style exceptions.
6209 (output_exception_table_entry): Only output the first handler label
6210 for old style exceptions.
6211 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6212 mechanism into one function, if a runtime matcher is provided.
6214 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6216 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6218 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6220 * integrate.c (copy_decl_list): Fix typo.
6222 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6224 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6227 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6229 * version.c: Bump for snapshot.
6231 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6233 * version.c: Bump for snapshot.
6235 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6237 * version.c: Bump for snapshot.
6239 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6241 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6243 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6245 * configure.in: remove usage of `!' to negate the result of a
6246 command; some common shells do not support it
6248 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6250 * configure.in: in sparc9-sol2 config, use 'if test' not
6252 * configure: Rebuilt.
6254 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6256 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6257 (CPP_CPU_DEFAULT_SPEC): Likewise.
6258 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6259 for arch64 libfuncs.
6261 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6264 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6266 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6268 * collect2.c: Don't declare `sys_siglist' here.
6269 (my_strsignal): Prototype and define new function. Use it in
6270 place of `sys_siglist' hacks.
6272 * mips_tfile.c: Likewise.
6274 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6275 (GCC_NEED_DECLARATIONS): Likewise.
6277 * system.h (strsignal): Prototype it, if necessary.
6278 (sys_siglist): Declare it, if necessary.
6280 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6282 * loop.c (move_movables): While removing insn sequences, preserve
6283 the next pointer of the most recently deleted insn when we skip
6286 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6288 * objc/config-lang.in: Do not output the name of the selected
6289 thread file when building the front-end. The Makefile for the
6290 runtime library will do this.
6292 * objc/Make-lang.in: Do not build the runtime library or install
6293 the Objective C header files. The Makefile for the runtime
6294 library will do this.
6296 * objc/Makefile.in (all.indirect): Only build the front-end.
6297 (compiler): Rename to `frontend'.
6298 (obj-runtime): Remove target.
6299 (copy-headers): Likewise.
6300 (clean): No need to remove `libobjc.a' any longer.
6302 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6304 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6305 supported with -mcpu=xxx.
6307 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6309 * flow.c (mark_set_1): Recognize multi-register structure return
6310 values in CALL insns.
6311 (mark_used_regs): Likewise.
6312 (count_reg_sets_1): Likewise.
6313 (count_reg_references): Likewise.
6314 * rtlanal.c (note_stores): Likewise.
6315 (reg_overlap_mentioned_p): Likewise.
6316 * haifa-sched.c (check_live_1): Likewise.
6317 (update_live_1): Likewise.
6318 (sched_analyze_1): Likewise.
6319 (sched_note_set): Likewise.
6320 (birthing_insn_p): Likewise.
6321 (attach_deaths): Likewise.
6323 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6326 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6328 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6330 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6332 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6334 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6336 * configure.in: Add check for GAS subsection -1 support.
6337 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6338 * configure config.in: Rebuilt.
6339 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6340 SImode is subsection -1 works, else use DImode.
6341 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6342 subsection -1 works.
6343 * config/sparc/sparc.c (sparc_output_addr_vec,
6344 sparc_output_addr_diff_vec): Use them if defined.
6346 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6348 * tree.h (DECL_ORIGIN): New macro.
6349 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6350 (copy_decl_list): Use it.
6351 (integrate_parm_decls): Likewise.
6352 (integrate_decl_tree): Likewise.
6353 * dwarf2out.c (decl_ultimate_origin): Simplify.
6354 * dwarfout.c (decl_ultimate_origin): Likewise.
6355 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6356 (pushdecl): Likewise.
6358 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6360 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6362 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6364 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6366 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6368 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6369 empty or has a single entry.
6371 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6372 before calling reg_to_stack.
6374 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6376 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6377 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6379 * c-tree.h (warn_long_long): Declare it.
6381 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6383 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6384 initialized float-int union if the value is a NaN.
6386 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6388 * c-lex.c (real_yylex): Don't warn about long long constants if
6389 we're allowing long long
6391 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6393 * except.h (current_function_eh_stub_label): Declare.
6394 (current_function_eh_old_stub_label): Declare.
6395 * function.h (struct function): New members eh_stub_label and
6397 * except.c (current_function_eh_stub_label): New variable.
6398 (current_function_eh_old_stub_label): New variable.
6399 (init_eh_for_function): Clear them.
6400 (save_eh_status): Save them.
6401 (restore_eh_status): Restore them.
6402 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6403 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6404 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6405 make an edge from the block that contains it to the block starting
6406 with the label if this label is one of the eh stub labels.
6407 If eh stub labels exist, show they are reachable from the last block
6410 * reload1.c (reload): Break out several subroutines and make some
6412 (calculate_needs_all_insns): New function, broken out of reload.
6413 (calculate_needs): Likewise.
6414 (find_reload_regs): Likewise.
6415 (find_group): Likewise.
6416 (find_tworeg_group): Likewise.
6417 (something_needs_reloads): New global variable, formerly in reload.
6418 (something_needs_elimination): Likewise.
6419 (caller_save_spill_class): Likewise.
6420 (caller_save_group_size): Likewise.
6421 (max_needs): Likewise.
6422 (group_size): Likewise.
6423 (max_groups): Likewise.
6424 (max_nongroups): Likewise.
6425 (group_mode): Likewise.
6426 (max_needs_insn): Likewise.
6427 (max_groups_insn): Likewise.
6428 (max_nongroups_insn): Likewise.
6429 (failure): Likewise.
6431 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6433 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6435 * loop.c (load_mems): Copy rtx for output mem.
6437 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6439 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6440 mips1 or mips2 either.
6442 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6444 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6446 (pa_adjust_insn_length): Update to work with new marking scheme
6447 for jumps inside switch tables.
6448 * pa.md (switch_jump): Remove pattern.
6449 (jump): Handle jumps inside jump tables.
6451 * Makefile.in (profile.o): Depend on insn-config.h
6453 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6455 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6457 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6459 Add preliminary native sparcv9 Solaris support.
6460 * configure.in: Recognize sparv9-*-solaris2*
6461 * configure: rebuilt
6462 * config.sub: Recognize sparcv9 just like sparc64.
6463 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6464 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6465 32-bit and 64-bit Solaris systems.
6466 * config/sparc/t-sol2: Assemble those with cpp.
6467 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6468 (*TF*_LIBCALL): If ARCH64 use V9 names.
6469 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6471 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6473 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6474 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6476 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6478 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6479 to Pmode if CASE_VECTOR_MODE is something else.
6481 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6483 * prefix.c (update_path): Correctly handle cases where PATH is
6484 a substring of the builtin prefix, but specifies a different
6487 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6489 * expr.c: Corrected comment about what MOVE_RATIO does.
6490 * config/alpha/alpha.h: Ditto.
6491 * config/1750a/1750a.h: Ditto.
6492 * config/clipper/clipper.h: Ditto.
6493 * config/i386/i386.h: Ditto.
6495 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6497 * configure.in (m68k-next-nextstep3*): Use collect2.
6498 Similarly for x86 NeXT configurations.
6499 * configure: Rebuilt.
6501 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6503 * configure.in: Don't assume srcdir is .../gcc
6504 * configure: Rebuilt.
6506 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6508 * global.c: Update comments.
6509 (global_alloc): Assign allocation-numbers
6510 even for registers allocated by local_alloc in case
6511 they are later spilled and retry_global_alloc is called.
6512 (mark_reg_store, mark_reg_clobber,
6513 mark_reg_conflicts, mark_reg_death): Always record a
6514 conflict with a pseudo register even if it has been
6515 assigned to a hard register.
6516 (dump_conflicts): Don't list pseudo registers already assigned to
6517 a hard register as needing to be allocated, but do list their
6519 * local-alloc.c: Update comment.
6521 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6523 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6524 * configure: Rebuilt.
6526 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6528 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6530 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6531 for all targets that set -msoft-float.
6533 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6535 * toplev.c (print_switch_values): Make static to match prototype.
6537 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6539 * configure.in: If we are unable to find the "gnatbind" program,
6540 then do not configure the ada subdir.
6541 * configure: Rebuilt.
6543 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6545 * version.c: Bump for snapshot.
6547 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6549 * version.c: Bump for snapshot.
6551 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6553 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6554 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6556 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6558 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6560 * genextract.c: Have insn-extract.c include toplev.h.
6562 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6564 * toplev.c: Include expr.h.
6565 (really_sorry, fancy_abort): Remove prototypes.
6566 (set_target_switch): Add argument in prototype.
6567 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6568 (v_really_sorry): Likewise.
6569 (print_version, print_single_switch, print_switch_values): Make
6570 static and add prototype arguments.
6571 (decl_printable_name): Add prototype arguments.
6572 (lang_expand_expr_t): New typedef.
6573 (lang_expand_expr): Declare as a lang_expand_expr_t.
6574 (incomplete_decl_finalize_hook): Add prototype argument.
6575 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6576 (botch): Likewise for variable `s'.
6577 (rest_of_type_compilation): Mark variables `type' and `toplev'
6578 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6579 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6580 (display_help): Make variable `i' an `unsigned long'.
6581 (main): Remove unused parameter `envp'.
6582 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6583 Cast -1 when comparing it with a `size_t'.
6585 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6586 prototype with ATTRIBUTE_NORETURN.
6587 (fatal_insn_not_found, fatal_insn, really_sorry,
6588 push_float_handler, pop_float_handler): Add prototypes.
6589 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6590 (do_abort, botch): Add prototypes.
6592 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6594 * final.c (final): If a label is reached only from a single jump,
6595 call NOTICE_UPDATE_CC on the jump and its predecessor before
6596 emitting the insn after the label.
6598 * i386.h: Add AMD K6 support.
6599 Change TARGET_* macros to use table lookup.
6600 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6601 (ADJUST_COST): Change definition to call function in i386.c.
6602 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6603 * i386.c: Add AMD K6 support.
6604 Add constants for feature tests used by TARGET_* macros.
6605 (split_di): If before reload, call gen_lowpart and gen_highpart.
6606 (x86_adjust_cost): New function.
6607 (put_jump_code): New function.
6608 (print_operand): New codes 'D' and 'd'.
6609 * i386.md: New insn types. New insn attribute "memory".
6610 Redefine scheduling parameters to use new types and add AMD K6
6611 support. Explicitly set type of most insns.
6612 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6613 Pro and K6 prefer movl $1,reg to incl reg.
6614 (adddi3, subdi3): Set cc_status.
6615 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6616 to int; x86 can't have more than 2^31 DImode shifts per file.
6617 (setcc): Combine all setcc patterns. Allow writing memory.
6618 Combine all jump patterns using match_operator.
6619 (*bzero): Name pattern. Emit mutliple stos instructions when that
6620 is faster than rep stos.
6621 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6624 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6626 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6629 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6631 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6632 not whatever we're generating now.
6634 * alpha.c (set_frame_related_p, FRP): New.
6635 (alpha_expand_prologue): Mark frame related insns.
6636 (alpha_expand_epilogue): Likewise, but with a null FRP.
6637 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6638 * alpha.md (exception_receiver): New.
6639 * alpha/crtbegin.asm (.eh_frame): New beginning.
6640 (__do_frame_setup, __do_frame_takedown): New.
6641 * alpha/crtend.asm (.eh_frame): New ending.
6642 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6643 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6644 (ASM_FILE_START): Don't emit .file for dwarf2.
6646 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6647 * rtl.c (reg_note_name): Likewise.
6648 * rtl.texi (REG_NOTES): Likewise.
6649 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6652 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6654 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6655 * i386.md (movsf, movdf, movxf): Validate memory address returned
6656 from force_const_mem. Kill useless REG_EQUAL setting code.
6658 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6660 * m68k.md (zero_extendsidi2): Fix typo.
6662 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6664 * configure.in: Removed references to the removed file
6665 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6666 * arm*-*-netbsd* and ns32k-*-netbsd*.
6667 * config/i386/xm-netbsd.h: Removed unnecessary file.
6668 * config/m68k/xm-netbsd.h: Likewise.
6669 * config/sparc/xm-netbsd.h: Likewise.
6670 * config/mips/xm-netbsd.h: Likewise.
6672 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6674 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6675 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6677 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6678 for exact section attributions.
6680 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6682 * i386/crtdll.h (CPP_PREDEFINES): Define.
6684 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6686 * m68k.md (5200 movqi): Do not allow byte sized memory references
6688 * m68k.c (output_move_qimode): Do not use byte sized operations on
6691 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6692 explicit rules for building. Similarly for alloca, vfprintf,
6693 choose-temp and mkstemp, getopt, getopt1, and obstack.
6694 (INCLUDES): Add $(srcdir)/../include.
6695 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6696 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6698 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6700 * gcc.c (do_spec_1): [case 'o'] Account for
6701 lang_specific_extra_outfiles.
6702 (main): Correctly clear all slots in outfiles for
6703 lang_specific_extra_outfiles. Set input_file_number before
6704 calling lang_specific_pre_link.
6706 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6708 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6710 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6712 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6714 (sparc_output_deferred_case_vectors): If no work to do, return.
6715 Fix thinko in Sept 1 change.
6717 1998-09-03 SL Baur <steve@altair.xemacs.org>
6719 * Makefile.in: add semicolon in BISON definition for portability.
6721 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6723 * config/nextstep.c (handle_pragma): Correct name of third
6726 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6728 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6729 * config/m32r/m32r.h: Make register 17 be fixed.
6730 * config/m32r/m32r.c: Use SImode for cc operations.
6732 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6734 * invoke.texi (Warning Options): Add -Wnon-template-friend
6737 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6739 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6741 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6743 * rs6000.md (movsf): Disable explicit secondary-reload-like
6744 functionality if TARGET_POWERPC64.
6745 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6748 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6750 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6751 and term.h from fixinc.wrap.
6753 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6755 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6756 safe to include both string.h and strings.h together.
6757 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6758 which headers to search for function declarations. Continue to
6759 prefer string.h over strings.h when both are not acceptable.
6761 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6763 * configure.in: Call GCC_HEADER_STRING.
6765 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6766 to include. Continue to prefer string.h over strings.h when both
6769 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6771 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6772 not assume top 32-bits of symbolic addresses are zero if
6775 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6777 * ginclude/va-alpha.h: Protect entire second portion of the
6778 file against double inclusion.
6780 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6782 Added support for the Boehm's garbage collector.
6783 * configure.in: Handle --enable-objc-gc.
6784 * configure: Rebuilt.
6785 * Makefile.in (CHECK_TARGETS): Add check-objc.
6786 (check-objc): New rule.
6787 * objc/Make-lang.in: Build a different Objective-C library that
6788 runs with the Boehm's collector.
6789 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6790 * objc/encoding.c: Correctly compute the size of compound types in
6791 the presence of bitfields. Skip the variable name of the type if
6792 any. Added support for long long.
6793 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6794 (_F_GCINVISIBLE): New mask.
6795 * objc/gc.c: New file. Compute the type memory mask associated with
6796 a class based on the runtime information.
6797 * objc/misc.c: Added the hooks that use the Boehm's collector
6798 allocation functions.
6799 * objc/objc-act.c (build_class_template): Generate a new class
6800 member (gc_object_type) to hold the class' type memory mask.
6801 (build_shared_structure_initializer): Initialize the new member to
6803 (encode_complete_bitfield): New function. Generate the new
6805 (encode_field_decl): Generate the new encoding only for the GNU
6807 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6809 (class_get_gc_object_type): New function to mark a pointer instance
6810 variable as a weak pointer.
6811 * objc/objc-features.texi: New file.
6812 * objc/objc.h (gc_object_type): New class member.
6813 * objc/objects.c (class_create_instance): Create a typed memory
6814 object when compiled with Boehm's collector support.
6815 * objc/sendmsg.c (__objc_init_install_dtable): Call
6816 __objc_send_initialize instead of setting the initialize flag.
6817 (__objc_send_initialize): Call __objc_generate_gc_type_description
6818 to generate the class type memory mask. Rewrite the code that
6819 sends the +initialize so that it is called only once (bug report
6820 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6821 * testsuite/objc: New testsuite for Objective-C type encoding.
6822 * testsuite/lib/objc-torture.exp: New file.
6823 * testsuite/lib/objc.exp: New file.
6825 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6827 * jump.c (jump_optimize): In if/then/else transformations, add
6828 another call to modified_between_p for the jump insn.
6830 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6832 * fix-header.c (symlink): Treat like readlink.
6834 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6836 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6839 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6841 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6842 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6843 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6845 * config/nextstep.c (handle_pragma): Take three arguments, as per
6846 the new HANDLE_PRAGMA macro specification.
6847 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6848 per the new HANDLE_PRAGMA macro specification.
6849 * config/i960/i960.c (process_pragma): Take three arguments, as
6850 per the new HANDLE_PRAGMA macro specification.
6852 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6854 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6855 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6856 if unknown pragmas are encountered.
6857 (handle_sysv_pragma): Interpret return code from
6858 handle_pragma_token (). Return success/failure indication rather
6859 than next unprocessed character.
6860 (pragma_getc): New function: retrieves characters from the
6861 input stream. Defined when HANDLE_PRAGMA is enabled.
6862 (pragma_ungetc): New function: replaces characters back into the
6863 input stream. Defined when HANDLE_PRAGMA is enabled.
6865 * c-pragma.c (handle_pragma_token): Return success/failure status
6868 * c-pragma.h: Change prototype of handle_pragma_token().
6870 * varasm.c: (handle_pragma_weak): Only create this function if
6871 HANDLE_PRAGMA_WEAK is defined.
6873 * c-common,c (decl_attributes): If defined call the expression
6874 contained within the INSERT_ATTRIBUTES macro before adding
6875 attributes to a decl.
6877 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6878 HANDLE_PRAGMA, which takes three arguments.
6879 (INSERT_ATTRIBUTES): Document this new macro.
6881 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6882 new INSERT_ATTRIBUTES macro.
6884 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6886 * config/sparc/sparc.md (movdf): Only generate special RTL for
6887 LABEL_REFs when PIC.
6888 (move_label_di): Remove
6889 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6890 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6891 references when PIC.
6892 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6893 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6894 output an .xword for all 64-bit cases.
6896 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6898 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6899 alignment, use FUNCTION_BOUNDARY instead.
6900 (sparc_output_deferred_case_vectors): Likewise.
6902 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6904 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6905 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6907 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6909 * alpha/va_list.h: New file.
6910 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6912 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6914 * NEWS: Add SCO Openserver and Unixware 7 notes.
6918 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6920 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6921 (record_constant_1): Handle RANGE_EXPR.
6923 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6925 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6926 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6927 and NOTE_INSN_RANGE_END specially.
6928 (reemit_notes): Likewise.
6930 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6932 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6933 (ultrasparc_sched_init): Remove unneeded &.
6935 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6937 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6938 for m68020-60, to prevent the use of fintrz.
6940 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6942 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6944 * Makefile.in: Likewise.
6945 * configure: Regenerated.
6947 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6949 * configure.in (gxx_include_dir): Changed to
6950 '${prefix}/include/g++'-${libstdcxx_interface}.
6951 * configure: Rebuilt.
6953 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6955 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6957 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6958 *sequences* *below* which scalar moves will be used.
6960 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6962 * collect2.c (mktemp): Delete unused declaration.
6964 * config/xm-netbsd.h: Remove unnecessary file.
6965 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6966 file anymore, it is not needed.
6968 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6970 * convert.c (convert_to_integer): Issue an error on conversions to
6973 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6975 * Makefile.in: Add lang_tree_files and gencheck.h.
6976 * configure.in: Generate them.
6977 * gencheck.c: Include gencheck.h.
6979 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6981 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6982 movdi_lo_sum_pic and movdi_high_pic and make visible.
6983 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6984 emit these when Pmode is not SImode.
6985 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6987 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6989 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6990 .linkonce directive after the first time.
6992 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6994 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6995 the clobbered operand overlaps with an input.
6996 (bne0_di): Similarly.
6998 * Makefile.in (INSTALL): Remove "--no-header" argument.
7000 * NEWS: Various updates.
7002 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7004 * config/sparc/sparc.c (arith_operand, const64_operand,
7005 const64_high_operand, arith_double_4096_operand): Mark mode as
7007 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7009 (sparc_emit_set_const64): Remove unused variable i.
7010 (sparc_splitdi_legitimate): Likewise for addr_part.
7011 (ultra_code_from_mask): Likewise for mask.
7012 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7013 reverse return values so it matches usage and comments.
7014 (ultra_flush_pipeline): Likewise.
7015 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7016 this_type, and allow loads and stores of differing FP modes as
7017 they do not create a conflict.
7018 (ultra_find_type): Initialize fpmode to SFmode, fix
7019 parenthesization thinkos in large conditional.
7020 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7021 Init free_slot_mask after ultra_cur_hist is reset, not before.
7022 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7023 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7024 use ultra_flush_pipeline instead, then re-init group pointer.
7025 Fix statement with no effect. If no progress made in, and no
7026 instructions scheduled at all, advance to new pipeline cycle else
7027 we get into an endless loop.
7028 (ultrasparc_adjust_cost): Remove previous arg.
7029 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7031 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7033 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7034 code. Use reg_overlap_mentioned_p to detect when source and
7035 destination overlap.
7036 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7038 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7040 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7041 COMPARISON_VAL, into invariant_p.
7043 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7045 * regmove.c (regclass_compatible_p): New function.
7046 (regmove_optimize): Use it.
7048 Use NREGS parameter insted of calling max_reg_num.
7050 (fixup_match_1): Don't use code = MINUS when later tieing with
7051 a hard register is likely.
7053 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7055 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7056 COMPARISON_VAL was normalized.
7058 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7060 * loop.c (check_dbra_loop): The loop ending comparison value
7061 must be an invariant or we can not reverse the loop.
7063 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7064 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7066 (load_mems_and_recount_loop_regs_set): Likewise.
7068 * i386.c (print_operand): Remove obsolete 'c' docs.
7070 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7072 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7073 * frame.c (init_object_mutex): New function.
7074 (init_object_mutex_once): Likewise.
7075 (find_fde): Call it.
7076 (__register_frame_info): Likewise.
7077 (__register_frame_info_table): Likewise.
7078 (__deregister_frame_info): Likewise.
7080 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7082 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7084 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7086 * loop.c (check_dbra_loop): Enable code for reversal
7087 of some loops without a known constant loop end.
7089 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7091 * haifa-sched.c (last_clock_var): New.
7092 (schedule_block): Initialize it.
7093 (schedule_insn): Use it to fill insn modes with issue information.
7095 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7096 Tag trapb and next insn with TImode.
7097 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7098 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7099 Invoke alphaev5_align_insns as appropriate.
7100 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7101 (MD_SCHED_VARIABLE_ISSUE): New.
7102 * alpha.md (attr type): Add multi.
7103 (define_asm_attributes): New.
7104 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7105 (arg_home): Likewise.
7106 (fnop, unop, realign): New.
7108 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7110 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7111 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7113 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7114 (rs6000-ibm-aix4.[12]*): Likewise.
7115 * configure: Regnerate.
7117 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7119 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7120 already contains the return address.
7122 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7124 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7125 word sized hunks when loading unaligned args into registers.
7127 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7128 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7130 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7132 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7134 * loop.c (check_dbra_loop): Add some code that would allow reversal
7135 of some loops without a known constant loop end if it were enabled.
7137 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7139 * mips.md (lshrsi3_internal2+2): Fix type-o.
7141 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7143 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7144 correctly with regards to stdio.h.
7146 * calls.c: Remove stdarg.h/varargs.h.
7149 * combine.c: Likewise.
7150 * cpperror.c: Likewise.
7151 * cpplib.c: Likewise.
7152 * cpplib.h: Likewise.
7153 * doprint.c: Likewise.
7154 * emit-rtl.c: Likewise.
7155 * final.c: Likewise.
7156 * fix-header.c: Likewise.
7158 * genattr.c: Likewise.
7159 * genattrtab.c: Likewise.
7160 * gencodes.c: Likewise.
7161 * genconfig.c: Likewise.
7162 * genemit.c: Likewise.
7163 * genextract.c: Likewise.
7164 * genflags.c: Likewise.
7165 * genopinit.c: Likewise.
7166 * genoutput.c: Likewise.
7167 * genpeep.c: Likewise.
7168 * genrecog.c: Likewise.
7169 * mips-tfile.c: Likewise.
7170 * prefix.c: Likewise.
7171 * protoize.c: Likewise.
7172 * regmove.c: Likewise.
7173 * toplev.c: Likewise.
7176 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7178 * config/sparc/sparc.c (sparc_override_options): If not
7179 TARGET_FPU, turn off TARGET_VIS.
7180 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7181 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7182 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7183 (movdi_insn_sp64): Add VIS fzero alternative.
7184 (clear_sf, clear_df): New VIS patterns.
7185 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7187 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7189 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7191 * loop.c (n_times_set, n_times_used, may_not_optimize,
7192 reg_single_usage): Convert to varrays. All uses changed.
7193 (insert_loop_mem): Return a value.
7194 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7195 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7198 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7201 * configure.in: Do not set thread_file to "irix" since no such
7204 * sparc.md (float abs/neg splits): Check reload_completed before
7205 calling alter_subreg.
7207 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7209 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7211 * config/sparc/sparc.h: Declare it.
7212 * config/sparc/sparc.md (float abs/neg splits): Use it.
7213 (all other splits): Handle SUBREGs properly where necessary.
7214 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7216 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7218 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7219 an insn on the unfilled_slots_list that has no delay slots.
7220 (fill_eager_delay_slots): Similarly.
7222 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7224 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7225 as an ordinary operand.
7227 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7229 * tree.c (valid_machine_attribute): Don't apply attributes to both
7232 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7234 * reload.c (operands_match_p): Handle rtvecs.
7236 * i386.c (legitimate_pic_address_disp_p): New.
7237 (legitimate_address_p): Use it.
7238 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7239 Handle constant pool symbols just like statics.
7240 (emit_pic_move): Use Pmode not SImode for clarity.
7241 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7242 [UNSPEC]: New, handling what we killed above.
7243 [PLUS]: Detect and abort on invalid symbol arithmetic.
7244 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7246 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7248 * alias.c: Include output.h.
7249 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7250 different if we're in a varargs function.
7251 * Makefile.in (alias.o): Depend on output.h
7253 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7255 * sh.h (GIV_SORT_CRITERION): Delete.
7257 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7259 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7260 * stupid.c (stupid_life_analysis): Ditto.
7261 * reload1.c (reload): Ditto.
7263 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7265 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7266 arith_double_4096_operand, arith_double_add_operand): New
7268 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7269 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7270 them to transform add/sub 4096 into add/sub -4096.
7272 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7274 * loop.c (scan_loop): Allocate some slop to handle pseudos
7275 generated by move_movables.
7276 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7279 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7281 * tree.def (DECL_RESULT): Correct documentation.
7283 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7285 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7286 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7287 conflicts will all RELOAD_FOR_OUTPUT reloads.
7289 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7290 loads the function result, substitute with a USE.
7292 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7294 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7295 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7296 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7297 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7298 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7299 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7301 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7302 'o' to 'm' for GPR variant constraints.
7304 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7306 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7308 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7310 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7311 when the source and destination overlap.
7313 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7314 clash with global type.
7316 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7318 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7320 * c-common.c (combine_strings): Also set TREE_READONLY.
7321 Change warn_write_strings to flag_const_strings.
7322 * c-decl.c, c-tree.h: Likewise.
7324 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7326 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7327 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7328 sequence, use SET/IOR instead so CSE can see it.
7329 * config/sparc/sparc.md (movhi_const64_special,
7330 movsi_const64_special): New patterns necessitated by that change.
7331 (movhi_high): Remove.
7332 (movhi_lo_sum): Change to match an IOR.
7333 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7334 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7335 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7336 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7337 registers are involved.
7338 (snesi_zero_extend split): Remove reload_completed test.
7339 (unnamed plus and minus zero_extend sidi splits): Add it.
7341 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7343 * extend.texi: Remove description of extension to explicit
7344 instantiation that is now endorsed by standard C++.
7346 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7348 * config/arc/arc.c (arc_initialize_pic): Remove.
7349 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7350 nothing on any platform and is invoked by no-one, it does not even
7351 appear in the documentation.
7352 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7353 * config/sparc/sparc.c (initialize_pic): Likewise.
7354 (find_addr_reg): Remove this as well, no longer referenced after
7357 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7359 * recog.c (validate_replace_rtx_group): New function.
7360 * recog.h (validate_replace_rtx_group): Declare it.
7361 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7362 the entire group of substitutions.
7364 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7366 * loop.c (load_mems): Fix initializers.
7368 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7370 * config/sparc/sparc.md (TFmode splits): Handle destination
7371 registers being referenced in the address correctly.
7373 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7374 TREE_UNSIGNED, when bitsize of type's mode is larger than
7375 HOST_BITS_PER_WIDE_INT.
7377 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7379 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7380 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7381 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7383 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7386 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7388 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7389 * h8300.h (TINY_DATA_NAME_P): Likewise.
7390 (STRIP_NAME_ENCODING): Handle '&'.
7392 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7393 register (it could be accessed via an outer SUBREG).
7394 (REG_OK_FOR_BASE_P): Likewwise.
7395 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7397 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7400 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7402 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7404 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7405 must be offsettable so the splits can be made.
7407 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7409 * config/i386/winnt.c: Include system.h, not stdio.h to get
7410 sys/param.h pulled in before rtl.h in case the system defines MIN
7413 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7415 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7417 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7419 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7421 * cpplib.c (cpp_define): Handle macros with parameters.
7423 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7425 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7426 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7427 and DImode 64-bit. Use llong for minimal-toc SFmode and
7428 SYMBOL_REF / LABEL_REF 64-bit.
7429 (output_function_profiler): Use llong for profiler label and ld to
7430 load 64-bit label address.
7432 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7434 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7437 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7439 * version.c: Bump for snapshot.
7441 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7443 * version.c: Bump for snapshot.
7445 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7447 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7449 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7451 * tm.texi (Misc): Fix typo "teh".
7453 * tm.texi (PIC): Fix typo "PPIC".
7455 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7456 effect when -O2 and higher.
7457 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7459 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7461 * regclass.c: Changed register set documentation to be consistent
7464 * final.c (final_start_function) Removed redundant test for
7467 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7469 * rtl.h (rtx_function): New type.
7470 (for_each_rtx): New function.
7471 * rtlanal.c (for_each_rtx): Define it.
7473 * recog.c (change_t): New type.
7474 (change_objects, change_old_codes, change_locs, change_olds):
7476 (changes): New variable.
7477 (validate_change): Dynamically allocate room for more changes, if
7478 necessary. Uses changes array instead of change_objects, etc.
7479 (apply_change_group): Use changes array instead of
7480 change_objects, etc.
7482 * loop.c (loop_mem_info): New type.
7483 (loop_mems): New variable.
7484 (loop_mems_idx): Likewise.
7485 (looop_mems_allocated): Likewise.
7486 (scan_loop): Remove nregs parameter.
7487 (next_insn_in_loop): New function.
7488 (load_mems_and_recount_loop_regs_set): Likewise.
7489 (load_mems): Likewise.
7490 (insert_loop_mem): Likewise.
7491 (replace_loop_mem): Likewise.
7492 (replace_label): Likewise.
7493 (INSN_IN_RANGE_P): New macro.
7494 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7495 (scan_loop): Remove nregs parameter, compute it after any new
7496 registers are created by load_mems. Use INSN_IN_RANGE_P and
7497 next_insn_in_loop rather than expanding them inline. Call
7498 load_mems to load memory into pseudos, if appropriate.
7499 (prescan_loop): Figure out whether or not there are jumps from the
7500 loop to targets other than the label immediately following the
7501 loop. Call insert_loop_mem to notice all the MEMs used in the
7502 loop, if it could be safe to pull MEMs into REGs for the duration
7504 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7506 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7508 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7510 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7512 * config/sparc/sparc.c (finalize_pic): Check for the correct
7513 nonlocal_goto_receiver UNSPEC number.
7514 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7515 making note of this dependency existing in sparc.c
7516 (negtf2_notv9 split): Give NEG SFmode.
7517 (negsf2): Fix insn output string.
7519 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7521 * c-common.c (decl_attributes): Issue an error if the argument
7522 to alias is not a string.
7524 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7526 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7527 pending memory flush list.
7529 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7531 (try_combine): Allow combining insns with REG_LIBCALL notes.
7533 * expr.c (emit_block_move): Do not call memcpy as a libcall
7534 instead build up a CALL_EXPR and call it like any other
7536 (clear_storage): Similarly for memset.
7538 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7541 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7544 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7545 and REG_LIVE_LENGTH as successful substitutions are made.
7547 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7549 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7550 statement after end of loop label.
7552 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7554 * config/sparc/sparc.c (ultra_types_avail): New variable.
7555 (ultra_build_types_avail): New function to record mask of insn
7556 types in ready list at this cycle.
7557 (ultrasparc_sched_reorder): Call it.
7558 (ultra_find_type): Use it to quicken the search. Also simplif
7559 dependency check, don't use rtx_equal_p because we know exactly
7560 what we are looking for.
7562 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7564 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7565 for architecture v4.
7567 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7569 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7571 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7572 movdf_const_intreg and helper splits): New patterns to move float
7573 constants into integer registers.
7574 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7577 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7580 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7582 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7584 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7585 a BASE_REGS register is needed as an intermediate when copying
7586 a symbolic value into any register class other than BASE_REGS.
7588 * expr.c (move_by_pieces): No longer static. Remove prototype.
7589 * rtl.h (move_by_pieces): Add extern prototype.
7590 * mips.c (expand_block_move): Handle aligned straight line copy by
7591 calling move_by_pieces.
7593 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7596 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7598 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7599 jumps out of the loop to be treated as part of the exit test.
7601 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7602 Jeff Law <law@cygnus.com>
7604 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7605 * cplus-dem.c: Delete.
7607 * Makefile.in (fold-const.o): depend on $(RTL_H).
7609 * fold-const.c: Include rtl.h to get the prototype for
7610 `set_identifier_local_value'.
7612 * loop.c (express_from_1): Remove unused variable `tmp'.
7613 (combine_givs): cast the first argument of bzero to char *.
7615 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7617 * c-decl.c (init_decl_processing): Remove unneeded &.
7619 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7621 * except.c (set_exception_lang_code, set_exception_version_code):
7622 Change parameter from `short' to `int' to avoid using a gcc
7625 * except.h (set_exception_lang_code, set_exception_version_code):
7626 Likewise for prototypes.
7628 * flow.c (count_reg_references): Remove unused variables `regno'
7631 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7633 * prefix.c (translate_name): Cast the result of `alloca'.
7635 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7637 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7639 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7641 (valid_dbcc_comparison_p): Mark mode argument as unused.
7642 (symbolic_operand): Likewise.
7643 (legitimize_pic_address): Likewise.
7644 (const_uint32_operand): Likewise.
7645 (const_sint32_operand): Likewise.
7646 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7647 schedule_insns and comment out rest of file.
7649 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7651 (output_move_[hq]imode): Likewise.
7653 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7655 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7656 * invoke.texi: Corresponding changes.
7658 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7660 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7662 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7664 * config/sparc/sparc.c (ultra_code_from_mask,
7665 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7666 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7667 ultrasparc_sched_init, ultrasparc_variable_issue,
7668 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7669 functions to describe UltraSPARC pipeline exactly to Haifa.
7670 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7671 as there is nothing the scheduler can do about it. Indicate that
7672 REG_DEP_OUTPUT's collide. Fixup formatting.
7673 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7674 divide costs on Ultra for DImode.
7675 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7677 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7678 ieuN and add call_no_delay_slot to type list.
7679 (cti function unit): New unit for branches on UltraSPARC.
7680 (subx/addx insns): Set type to misc.
7681 (sidi zero/sign extension insns on arch64): Set type to shift.
7682 (sign_extendhidi2_insn): Set type to sload.
7684 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7686 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7687 (output_epilog): Use if != 0 for offset.
7688 (rs6000_fatal_bad_address): Prepare for Intl.
7689 * rs6000.h (rs6000_fatal_bad_address): Declare.
7690 * rs6000.md (movsfcc, movdfcc): Use else if.
7691 (elf_high): Use {liu|lis}.
7692 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7693 (movsi): Use rs6000_fatal_bad_address.
7695 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7697 * reload.c (find_equiv_reg): Reject equivalences separated
7698 by a volatile instruction.
7700 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7702 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7704 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7706 * alpha.md (movsicc): Fix mode mismatch.
7708 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7710 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7712 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7714 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7716 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7717 write-only modifier from operand 1 constraint.
7719 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7721 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7722 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7724 (sparc_emit_set_const64): Likewise, also when computing trailing
7725 bits do not negate low_bits and make fast_int an int.
7727 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7729 * loop.c (add_label_notes): Do not ignore references to labels
7730 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7731 * gcse.c (add_label_notes): Similarly.
7733 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7735 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7736 (adddi_dishl32): Similarly.
7738 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7740 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7741 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7742 * cse.c (cse_basic_block): Add parens to shut up warnings.
7744 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7746 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7747 sparc_emit_set_const64_longway, const64_is_2insns,
7748 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7749 in 64-bit constant formation.
7750 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7751 rtl for addx not subx.
7752 (define_insn movdi_const64_special): Make available even when
7753 HOST_BITS_PER_WIDE_INT is not 64.
7754 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7755 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7756 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7757 instances of operand 1 inside a QI subreg.
7758 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7759 (one_cmpldi2_sp64): Fix output string.
7760 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7762 (unnamed arch64 ashift DI): Truncate shift count if greater than
7765 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7767 * expr.c (store_expr): Don't optimize away load-store pair
7768 when either source or destination have a side effect.
7770 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7772 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7773 operands of SET are incompatible.
7775 * alpha.md: Fix max and min patterns so modes of SET operands match.
7777 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7779 * configure.in: Avoid [[ by using test and changequote.
7780 * configure: Rebuild.
7782 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7784 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7786 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7787 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7788 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7789 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7790 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7791 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7792 Fix mismatching modes in SET operands.
7793 (conditional move patterns): Fix formatting.
7794 (unnamed subx arch64 pattern): Remove duplicate insn.
7796 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7798 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7799 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7800 (input_operand): Fixup test for what we accept for constant
7802 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7804 (safe_constDI): Remove.
7805 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7806 gen_safe_XOR64): New functions.
7807 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7808 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7810 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7811 available when HOST_BITS_PER_WIDE_INT is not 64.
7812 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7813 move before movdi_insn_sp64 pattern.
7814 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7815 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7816 symbolic_operand as predicate for second operand.
7817 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7818 expander): Give set VOIDmode.
7820 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7822 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7824 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7826 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7828 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7830 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7832 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7834 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7836 * install.texi: Various SCO OpenServer tweaks.
7838 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7840 * reload1.c (eliminate_regs_in_insn): Handle another case when
7841 eliminating the frame pointer to the hard frame pointer. Add
7842 missing ep->to_rtx check to one existing case.
7844 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7846 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7848 * tree.h: De-conditionalize init_priority code.
7850 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7851 * collect2.c (NM_FLAGS): Change from -p to -n.
7853 * configure.in: Turn on collect2 for mipstx39-elf.
7854 Handle use_collect2=no properly.
7856 * c-common.c: De-conditionalize init_priority code.
7857 * collect2.c (extract_init_priority, sort_ids): New fns.
7858 (main): Call sort_ids.
7859 Move sequence_number to file scope.
7861 * configure.in: Handle --enable-init-priority.
7862 * c-common.c (attrs): Add A_INIT_PRIORITY.
7863 (init_attributes, decl_attributes): Likewise.
7864 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7865 * tree.c (get_file_function_name_long): Split out...
7866 (get_file_function_name): ...from here.
7868 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7870 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7873 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7875 * toplev.c (display_help): Add braces to shut up warnings.
7876 * tree.c (simple_cst_equal): Likewise.
7878 * fold-const.c (non_lvalue): Don't deal with null pointer
7880 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7882 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7883 of any size to a pointer.
7885 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7887 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7889 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7891 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7892 which will be saved.
7893 * mn10300.md (prologue insn): Only save registers which need saving.
7894 (epilogue insn): Similarly.
7896 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7899 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7901 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7902 VAR_DECL's in gp addressable sections.
7904 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7906 * sparc.c: Change return <exp> to <exp>; return; in functions
7908 * sparc.md: Add empty semicolon statement after final label in
7911 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7913 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7914 addx_extend_sp64, only allow when TARGET_ARCH64.
7915 (define_insn addx_extend_sp32 and split): Version that works when
7917 (define_insn subx_extend): Likewise.
7918 (define_split adddi3 and subdi3 with zero extension): Fixup and
7919 correct bugs when not TARGET_ARCH64.
7921 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7923 * except.c (set_exception_lang_code, set_exception_version_code):
7924 Use prototype-style definition if __STDC__, to match declaration
7927 * genemit.c: Change FAIL and DONE macros not to use loops.
7929 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7931 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7932 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7934 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7936 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7938 * README.g77: Update from Craig.
7940 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7942 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7944 (safe_constDI sparc_emit_set_const64_quick1,
7945 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7946 analyze_64bit_constant, const64_is_2insns,
7947 create_simple_focus_bits): Fix some bugs when compiled on real
7949 (function_arg_record_value_3, function_arg_record_value_2,
7950 function_arg_record_value): Add fully prototyped forward decls.
7951 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7952 to cmpsi_insn and use on both 64 and 32 bit targets.
7953 (define_insn cmpsi_insn_sp64): Remove.
7954 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7955 (define_insn zero_extendsidi2_insn): Rename to
7956 zero_extendsidi2_insn_sp64.
7957 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7958 assosciated forced split for it.
7960 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7962 * config/sparc/sparc.h: Declare them.
7963 (PREDICATE_CODES): Add them.
7964 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7965 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7967 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7969 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7970 in v9 case as the latter makes the Solaris assembler crash.
7972 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7974 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7975 for TFmode when !v9. We require offsettable memory addresses.
7976 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7977 DFmode register number conversions.
7978 * config/sparc/sparc.md (define_split DFmode moves): If register
7979 is a SUBREG do alter_subreg on it before using.
7980 (define_expand movtf): Fixup comment about alignment on v9.
7981 (define_split TFmode moves): Don't use gen_{high,low}part, create
7982 explicit SUBREGs instead.
7984 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7986 * Makefile.in (mbchar.o): Depend on mbchar.c.
7988 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7989 Richard Henderson <rth@cygnus.com>
7991 Rewrite Sparc backend for better code generation and
7992 improved sparc64 support.
7993 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7995 * config/sparc/sysv4.h: Likewise.
7996 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7997 move_operand, v8plus_regcmp_op, emit_move_sequence,
7998 singlemove_string, doublemove_string, mem_aligned_8,
7999 output_move_double, output_move_quad, output_fp_move_double,
8000 move_quad_direction, output_fp_move_quad, output_scc_insn):
8002 (small_int_or_double): New predicate.
8003 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8004 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8005 old pic_{sethi,lo_sum}_si patterns.
8006 (mem_min_alignment): New generic function to replace
8007 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8008 available and can test for arbitrary alignments. All callers
8010 (save_regs, restore_regs, build_big_number,
8011 output_function_prologue, output_cbranch, output_return,
8012 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8013 sparc_flat_output_function_epilogue): Prettify
8015 (output_function_epilogue): Likewise and add code to output
8016 deferred case vectors.
8017 (output_v9branch): Likewise, add new arg INSN and use it to tack
8018 on branch prediction settings. All callers changed.
8019 (print_operand): Likewise and output %l44 for LO_SUMs when
8021 (sparc_splitdi_legitimate): New function to make sure DImode
8022 splits can be run properly when !arch64.
8023 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8024 Reformat example code in comments.
8025 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8026 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8027 of deferred case vectors we need to output.
8028 (sparc_defer_case_vector): Record a case vector.
8029 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8030 sparc_output_deferred_case_vectors): New functions to output them.
8031 (sparc_emit_set_const32): New function to form 32-bit constants in
8032 registers when that requires more than one instruction.
8033 (safe_constDI, sparc_emit_set_const64_quick1,
8034 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8035 analyze_64bit_constant, const64_is_2insns,
8036 create_simple_focus_bits, sparc_emit_set_const64): New functions
8037 which do the same for 64-bit constants when arch64.
8038 (sparc_emit_set_symbolic_const64): New function to emit address
8039 loading for all code models on v9.
8040 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8041 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8042 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8043 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8044 inaccuracies in comments, add symbolic and text_segment operands
8045 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8046 GENERAL_REGS in these cases as a temp REG is needed to load these
8047 addresses into a register properly.
8048 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8050 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8051 quads are guarenteed to have 16-byte alignment.
8052 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8053 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8054 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8055 deferred case vector implementation.
8056 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8057 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8058 Generate "internal label - label" instead of "label - 1b".
8059 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8060 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8061 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8063 (doublemove_string, output_block_move, output_fp_move_double,
8064 output_fp_move_quad, output_move_double, output_move_quad,
8065 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8066 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8067 (sparc_emit_set_const32, sparc_emit_set_const64,
8068 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8069 mem_min_alignment, small_int_or_double): Add externs.
8070 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8071 UNSPEC_VOLATILE in this backend.
8072 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8073 unary to types which execute in it.
8074 (define_function_unit ieu_shift): Rename to ieu0.
8075 (define_function_unit ieu1): New, executes compare, call, and
8076 uncond_branch type insns.
8077 (define_function_units for type fdivs, fdivd, fsqrt): These
8078 execute in the fpu multiply unit not the adder on UltraSparc.
8079 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8080 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8081 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8082 allows the arith_double_operand predicate and rHI constraint when
8084 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8085 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8086 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8087 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8088 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8089 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8090 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8091 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8092 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8093 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8094 sign_extendqihi2_insn, sign_extendqisi2_insn,
8095 sign_extendqidi2_insn, sign_extendhidi2_insn,
8096 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8097 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8098 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8099 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8100 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8101 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8102 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8103 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8104 smulsi3_highpart_v8plus, unnamed subreg mult,
8105 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8106 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8107 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8108 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8109 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8110 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8111 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8112 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8113 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8114 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8115 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8116 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8117 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8118 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8119 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8120 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8121 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8122 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8123 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8124 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8125 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8126 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8127 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8128 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8129 call_address_untyped_struct_value_sp32,
8130 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8131 call_value_symbolic_sp32, call_value_address_sp64,
8132 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8133 flush_register_windows, goto_handler_and_restore,
8134 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8135 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8136 return_addsi, return_di, return_adddi, return_sf, all call+jump
8137 peepholes, trap, unnamed trap insns): Prettify output strings.
8138 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8139 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8140 Likewise and force + implement splits for integer cases.
8141 (define_insn return_sf_no_fpu): Likewise and allow to match when
8142 no-fpu because of our subreg SFmode splits.
8143 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8144 zero_extendqidi2_insn, zero_extendhidi2_insn,
8145 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8146 input_operand for second operand.
8147 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8148 reg_or_0_operand for operand 2 so new splits can use it.
8149 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8150 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8152 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8153 CONST_DOUBLEs for operand 2.
8154 (define_insn move_label_di): Likewise and label distance
8155 optimization because it no longer works with new deferred case
8156 vector scheme. To be revisited.
8157 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8158 and allow reg_or_0_operand and J constraint for second operand.
8159 (define_insn jump): Set branch predict taken on V9.
8160 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8161 new deferred case vector scheme.
8162 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8163 (define_insn negdi2_sp32): Force + implement splits.
8164 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8165 one_cmplsi2_not_liveg0 respectively, and create expander of original
8166 names which emit special rtl for TARGET_LIVE_G0.
8167 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8168 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8169 gen_compare_reg, FAIL instead.
8170 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8171 values when trying to reverse condition codes, if they FAIL then
8173 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8174 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8175 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8176 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8177 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8178 set output string to # to indicate they are mandatory splits.
8179 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8180 pic_sethi_di, move_pic_label_si): Remove.
8181 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8182 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8184 (define_expand movsi_pic_label_ref, define_insn
8185 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8186 expander and insns to handle PIC label references and deferred
8188 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8190 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8191 Rewrite to not use emit_move_sequence, make use of new constant
8192 formation code, and new splits for all multi-insn cases.
8193 (define_insn movqi_insn): Remove sethi case, it can never happen.
8194 Use reg_or_zero_operand instead of const0_rtx explicit test,
8195 use input_operand instead of move_operand for source, and use
8196 general_operand now for dest.
8197 (define_insn movhi_insn): Similar but leave sethi case.
8198 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8199 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8200 movhi_lo_sum respectively, prettify output string.
8201 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8202 register when needed on TARGET_LIVE_G0.
8203 (define_insn movsi_insn): Use general_operand and input_operand
8204 for dest and src respectively. Simplify applicability test.
8205 Prettify output strings, and add clr alternative for J
8207 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8208 deprecated std and reg-reg DI moves): Remove and...
8209 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8210 implementation which uses forced splits for all non-single insn
8212 (define_split DI move cases on !arch64): New splits to handle all
8213 situations of 64-bit double register DImode on 32bit, and
8214 unaligned registers and memory addresses for all subtargets.
8215 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8217 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8218 input_operand for dest and src respectively, prettify output
8220 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8221 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8223 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8224 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8225 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8226 movtf_no_e_insn_sp64) Replace with new
8227 implementation which uses forced splits for all non-single insn
8229 (define_split DF move cases): New splits in similar vein to DI
8231 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8232 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8233 movdi_sp64_insn): Remove old v9 code model and constant loading
8235 (define_insn pic_lo_sum_di, pic_sethi_di,
8236 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8237 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8238 embmedany_sethi, embmedany_losum, embmedany_brsum,
8239 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8240 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8241 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8242 scheme, using unspecs, secondary reloads, and one to one sparc
8243 insn to rtl insn mapping for better scheduling and code gen.
8244 (define_expand reload_indi, reload_outdi): Reload helpers for
8245 MEDANY and EMBMEDANY symbol address loading cases which require a
8247 (define_expand movsicc): Remove v8plus_regcmp cases.
8248 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8249 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8250 cmp_diqi_trunc_set): New patterns used by some of the new scc
8252 (define_insn xordi3_sp64_dbl): New pattern used for constant
8253 formation when crossing from 32-bit targets.
8254 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8256 (define_insn addx, subx): Make visible and prettify.
8257 (define_insn adddi3_insn_sp32): Likewise and force split.
8258 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8259 64bit scc split usage.
8260 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8261 zero_extend, subdi3): Force and implement splits.
8263 * final.c (final_scan_insn): Don't output labels if target
8264 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8267 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8268 don't forget to walk inside SEQUENCESs too as these are what the
8269 delay slot scheduler will create.
8271 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8273 * alpha.md (extxl+1,+2): New patterns to work around
8276 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8278 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8279 caused bad assembly code to be generated.
8281 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8283 * netbsd.h: Fix typo.
8285 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8287 * config.sub: Fix typo.
8289 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8291 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8293 (Running Protoize): Typo: Change "ther" into "other".
8295 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8297 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8298 * m68k/netbsd.h: Likewise.
8299 * ns32k/netbsd.h: Likewise.
8300 * sparc/netbsd.h: Likewise.
8302 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8304 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8305 * ginclude/va-clipper.h (va_list): Likewise.
8307 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8309 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8310 load/store multiple instructions unless user overrides.
8312 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8314 * ns32k/netbsd.h: Fix typo.
8316 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8318 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8319 labels with .debugsym if no parallel insns.
8321 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8323 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8324 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8326 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8328 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8329 (AR_FOR_TARGET): Define.
8331 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8333 * dyn-string.h: New file.
8334 * dyn-string.c: Likewise.
8335 * Makefile.in (OBJS): Add dyn-string.o.
8336 (dwarf2out.o): Add dyn-string.h dependency.
8337 (dyn-string.o): List dependencies.
8338 * dwarf2out.c: Include dyn-string.h.
8339 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8340 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8341 prototype. Use dyn_string_append rather than strcat, throughout.
8342 (addr_to_string): Use dyn_string_t.
8344 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8346 Function entry/exit profiling instrumentation:
8347 * expr.h (profile_function_entry_libfunc,
8348 profile_function_exit_libfunc): Declare new variables.
8349 * optabs.c: Define them here.
8350 (init_optabs): Initialize them.
8351 * tree.h (struct tree_decl): New flag
8352 no_instrument_function_entry_exit.
8353 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8354 * c-decl.c (duplicate_decls): Merge it.
8355 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8356 (init_attributes): Use it for "no_instrument_function".
8357 (decl_attributes): Handle it, for functions that have not yet been
8358 compiled. Set decl flag.
8359 * flags.h (flag_instrument_function_entry_exit): Declare new
8361 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8362 (f_options): New option "instrument-functions".
8363 * function.h (struct function): New field instrument_entry_exit.
8364 * function.c (current_function_instrument_entry_exit): New
8366 (push_function_context_to, pop_function_context_from): Save and
8368 (expand_function_start): Set current_ variable, maybe emit return
8369 label and entry profile call.
8370 (expand_function_end): Maybe emit exit profile call.
8372 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8374 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8375 NON_QI_REG_P, pretend the register is SImode.
8377 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8379 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8380 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8381 manufacturer id for ns32k.
8382 * configure: Regenerated.
8383 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8384 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8385 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8386 * config/m68k/netbsd.h: Same.
8387 * config/ns32k/netbsd.h: Same.
8388 * config/sparc/netbsd.h: Same.
8390 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8392 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8393 or UNROLL_COMPLETELY loop that starts with a jump to its
8396 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8398 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8399 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8400 (print_operand, case 'B'): Don't fall through.
8401 (print_operand, case 'S'): Correct mask begin/end computation.
8402 Use HOST_BITS_PER_WIDE_INT.
8403 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8404 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8405 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8406 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8408 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8410 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8411 constraint from second alternative.
8413 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8415 * configure.in: Fix --without/--disable cases for local-prefix,
8416 gxx-include-dir and checking.
8418 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8420 * configure.in (enable_haifa): Set by default for sparc64 too.
8423 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8425 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8426 * i386/winnt.c (associated_type): New fn.
8427 (i386_pe_valid_type_attribute_p): New fn.
8428 (i386_pe_check_vtable_importexport): Remove.
8429 (i386_pe_dllexport_p): Use associated_type.
8430 (i386_pe_dllimport_p): Likewise.
8432 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8433 * i386.c (i386_valid_type_attribute_p): Also accept
8434 attributes for METHOD_TYPEs.
8436 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8438 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8440 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8442 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8444 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8445 them from generating a new base name for each occurence of
8448 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8450 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8452 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8456 * cplus-dem.c (type_kind_t): New type.
8457 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8458 on this paramter, rather than demangling the type again.
8459 (demangle_integral_value): Pass tk_integral.
8460 (demangle_template_: Pass the value returned from do_type.
8461 (do_type): Return a type_kind_t. Pass tk_integral to
8462 demangle_template_value_parm for array bounds.
8463 (demangle_fund_type): Likewise.
8465 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8467 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8470 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8472 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8474 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8476 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8478 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8481 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8483 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8484 (DEBUGGER_ARG_OFFSET): Likewise.
8486 * mn10300.md (movsf): Remove last change. Not needed.
8488 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8490 * c-lex.c (yylex): Fix boundary conditions in character literal and
8491 string literal loops.
8493 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8495 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8496 being invoked incorrectly.
8498 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8499 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8501 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8502 * configure.in: Added i[34567]86-*-win32
8503 * config.sub: Ditto.
8504 * configure: Rebuilt.
8506 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8508 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8509 the frame pointer and compiling PIC code and reload has not completed.
8511 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8514 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8516 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8518 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8520 * Makefile.in (install-info): Only try to update the info
8521 directory file if it exists in the first place.
8523 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8525 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8527 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8529 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8530 CONST_DOUBLE source.
8532 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8534 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8535 strings as the insertion of USER_LABEL_PREFIX.
8536 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8538 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8541 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8543 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8544 already defined type.
8546 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8548 * expr.c (check_max_integer_computation_mode): Allow conversions
8549 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8550 (expand_expr): Likewise.
8552 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8554 * expr.c (expand_expr): Expand RETURN_EXPR.
8556 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8558 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8560 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8562 * dwarf2out.c (output_aranges): Call stripattributes
8563 for TEXT_SECTION references.
8564 (output_line_info): Likewise.
8566 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8568 * profile.c (branch_prob): Call allocate_reg_info after outputting
8569 profile rtl in instrument_arcs.
8571 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8573 * fixinc.irix (math.h): Install wrapper instead of copying.
8575 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8577 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8578 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8579 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8580 lang_flag_0. Added documentation in the flag table.
8582 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8584 * cccp.c (do_include): Fix vax c style include handling.
8586 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8588 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8590 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8592 * fold-const.c (non_lvalue): Don't deal with null pointer
8594 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8596 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8598 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8599 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8600 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8601 (u_short_cint_operand): Same.
8602 (reg_or_cint_operand): Same.
8603 (logical_operand): Same.
8604 (input_operand): Same.
8605 (reg_or_short_operand): Use u_short_cint_operand.
8607 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8609 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8610 but keep the insns and splits. Adjust so when the ultimate destination
8611 is memory, use cvtql.
8613 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8615 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8617 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8619 * gcc.c (do_spec): Call "error" not "warning".
8621 * configure.in: Fix minor problems with gas feature detection code.
8622 * configure: Rebuilt.
8624 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8627 * gcc.c: Delete %[spec] support.
8628 (do_spec_1, case '('): Likewise.
8629 (do_spec_1, case '['): Call error.
8631 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8633 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8634 (CPP_SUBTARGET_SPEC): Default to empty string.
8635 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8636 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8637 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8638 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8640 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8641 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8642 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8643 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8644 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8645 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8646 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8647 * alpha/vxworks.h: Likewise.
8649 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8651 * mips.md (reload_outsi): Added missing REGNO call.
8652 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8654 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8655 another match_operator and compare the codes.
8657 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8659 * MIPS multiply pattern fixes:
8660 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8661 Add union classes for HI, LO, or HILO plus general registers.
8662 (GENERATE_MADD): Deleted.
8663 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8664 Add TARGET_MAD to condition.
8665 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8666 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8667 "*d" for accumulator, to give preference to LO initially but not
8670 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8672 * configure.in (enable_c_mbchar): New configure option.
8673 (extra_cpp_objs): Always available now.
8675 * cexp.y (mbchar.h): #include it.
8676 (yylex): Handle Multibyte characters in character literals.
8678 * cccp.c (mbchar.h): #include it.
8679 (main): Set character set based on LANG environment variable.
8680 (rescan): Handle multibyte characters in comments.
8681 (skip_if_group): See above.
8682 (validate_else): See above.
8683 (skip_to_end_of_comment): See above.
8684 (macarg1): See above.
8685 (discard_comments): See above.
8686 (rescan): Handle multibyte characters in string and character literals.
8687 (collect_expansion): See above.
8688 (skip_quoted_string): See above.
8689 (macroexpand): See above.
8690 (macarg1): See above.
8691 (discard_comments): See above.
8692 (change_newlines): See above.
8694 * c-lex.c (mbchar.h): #include it.
8695 (GET_ENVIRONMENT): New macro.
8696 (init_lex): Set character set based on LANG environment variable.
8697 (yylex): Handle multibyte characters in character literals.
8698 (yylex): Handle multibyte characters in string literals.
8700 * Makefile.in (mbchar.o): New target.
8701 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8702 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8704 * mbchar.[ch]: New files for multibyte character handling.
8706 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8708 * jump.c (jump_optimize): When simplifying noop moves and
8709 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8710 the PUSHes to rewrite in second loop as we did in the first.
8712 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8714 * cplus-dem.c (demangle_nested_args): Make function definition
8715 static to match the prototype.
8717 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8719 * alloca.c: Respect USE_C_ALLOCA.
8720 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8721 * gengenrtl.c (xmalloc): Likewise.
8723 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8725 * loop.h (struct induction): Add no_const_addval.
8726 * loop.c (the_movables, reg_address_cost): New variables.
8727 (init_loop): Init reg_address_cost.
8728 (loop_optimize): Call end_alias_analysis.
8729 (scan_loop): Init the_movables.
8730 (record_giv): Init induction->no_const_addval.
8731 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8732 [REG]: Rearrange loop search test to catch more cases.
8733 (general_induction_var): Return success not benefit; take an extra
8734 argument for that. Change all callers.
8735 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8736 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8737 [default]: Search the_movables for additional combinations.
8738 (sge_plus_constant, sge_plus): New functions.
8739 (express_from_1): New function.
8740 (express_from): Always define. Rewrite using express_from_1.
8741 (combine_givs_p): Handle more cases. Ignore address cost.
8742 (cmp_combine_givs_stats): New function.
8743 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8744 (combine_givs): Rewrite to do best-fit combination.
8746 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8747 (fold): Do a complete (A*C)+(B*C) association check.
8749 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8751 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8753 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8755 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8757 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8759 * tree.c (valid_machine_attribute): Only create a new type variant if
8760 there is a decl to use it.
8762 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8764 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8767 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8769 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8772 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8774 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8775 Simplify tests for clearing an address register.
8776 (expand_prologue): Corresponding changes.
8778 * mn10300.md (movXX patterns): Make sure the destination is an
8779 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8780 (logical patterns): Split into expanders + patterns
8781 (zero and sign extension patterns): Similarly.
8782 (shift patterns): Similarly.
8784 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8786 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8787 for the sequence, recording base values.
8789 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8791 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8793 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8795 * gcc.c: Remove ANSI-C ism from --help code.
8797 * toplev.c: Support --help with USE_CPPLIB.
8799 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8801 * configure.in: Rework gas feature code to work with symlink based
8804 * extend.texi: Clarify some issues related to local variables
8805 assigned to explicit registers.
8807 * mn10300.md (mulsi): Turn into expander + pattern.
8809 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8812 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8814 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8816 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8818 * version.c: Bump again to distinguish mainline tree from the
8821 See ChangeLog.0 for earlier changes.
8824 add-log-time-format: current-time-string