1 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
3 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
4 for a typedef of bool. Make sure to have a copy of the file is
5 in place before we look to fix it. Fix typo in variable name to
8 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
10 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
11 value_mode for the return mode.
13 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
15 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
18 * config/tm-dwarf2.h: New file.
20 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
22 * h8300.h (ASM_OUTPUT_LABELREF): Define.
24 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
25 * local-alloc.c (update_equiv_regs): Corresponding changes.
26 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
28 * calls.c (special_function_p): Push alloca test inside the large
29 conditional which excludes functions not at file scope or not
32 * calls.c (special_function_p): New function broken out of
34 (precompute_register_parameters): Likewise.
35 (store_one_arg): Likewise.
36 (store_unaligned_argumetns_into_pseudos): Likewise.
37 (save_fixed_argument_area): Likewise.
38 (restore_fixed_argument_area): Likewise.
39 (expand_call): Corresponding changes.
41 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
43 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
45 (const_sint32_operand): Likewise.
47 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
49 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
50 is a macro when deciding if we can use `jmp_buf' in prototypes.
52 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
54 * config/c4x/c4x.md (addqi3): If the destination operand is
55 a hard register other than an extended precision register,
56 emit addqi3_noclobber.
57 (*addqi3_noclobber_reload): New pattern added so that reload
58 will recognise a store of a pseudo, equivalent to the sum
59 of the frame pointer and a constant, as an add insn.
61 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
63 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
65 * i386/xm-go32.h: Define LIBSTDCXX.
67 * i386/go32.h (MD_EXEC_PREFIX): Define.
68 (FILE_NAME_ABSOLUTE_P): Define.
69 (LINK_COMMAND_SPEC): Define.
71 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
73 * expr.c (store_expr): If the lhs is a memory location pointed
74 to be a postincremented (or postdecremented) pointer, always
75 force the rhs to be evaluated into a pseudo.
77 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
79 * real.c (mtherr): Print more reasonable warning messages.
81 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
83 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
85 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
86 (new_include_prefix): Constify char* parameters.
88 * cppfiles.c (read_name_map): Likewise.
89 (append_include_chain): Likewise. Also, use a writable char* copy
90 of parameter `dir' which we then modify, rather than using the
91 parameter itself to store the new writable string.
92 (remap_filename): Constify some variables. Also, use a writable
93 char* to store an allocated string which we will be modifying.
95 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
96 (cpp_start_read): Constify variable `str'.
98 * cpplib.h (append_include_chain): Constify a char* parameter.
100 * gcc.c Include prefix.h, don't prototype prefix.c functions.
101 (add_prefix, save_string): Constify char* parameters.
102 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
104 * prefix.c: Include prefix.h.
105 (get_key_value, translate_name, save_string, update_path,
106 set_std_prefix): Constify various char* parameters and variables.
107 (save_string): Use xmalloc, not malloc.
108 (translate_name): Use a writable temporary variable to create and
109 modify a string before setting it to a const char*.
111 * prefix.h: New file to prototype functions exported from prefix.c.
113 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
115 * cpplib.c (skip_if_group): Split out the logic that handles
116 directive recognition to its own function. Don't use
117 parse markers; use a bare pointer into the buffer. Use
118 copy/skip_rest_of_line instead of doing it by hand. Remove
119 `return on any directive' mode which was never used, and take
121 (consider_directive_while_skipping): New function, subroutine
122 of skip_if_group. Logic streamlined a bit.
123 (conditional_skip, do_elif, do_else): Call skip_if_group with
126 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
128 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
131 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
133 * extend.texi (Bound member functions): Document.
135 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
137 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
138 lang_to_string, type_to_string): Make return type const char*.
139 (print_symbol): Apply `const' keyword to a char*.
140 (print_file_desc): Cast structure member `crfd' to ulong when
141 comparing against one.
143 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
144 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
145 (progname, input_name): Apply `const' keyword to a char*.
146 Don't redundantly include sys/stat.h.
147 (alloc_info): Apply `const' keyword to a char*.
148 (st_to_string, sc_to_string): Likewise.
149 (hash_string): Cast variable `hash_string' to a symint_t when
150 comparing against one.
151 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
152 Likewise cast it to long when comparing against one.
153 (add_local_symbol): Apply `const' keyword to a char*.
154 (add_ext_symbol): Likewise.
155 (add_unknown_tag): Likewise.
156 (add_procedure): Cast a printf-style field width to an int.
157 (add_file): Cast PAGE_USIZE to long when comparing against one
158 (parse_begin): Cast a printf-style field width to an int.
159 (parse_bend): Likewise.
160 (parse_def): Likewise.
161 (parse_end): Likewise.
162 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
163 (parse_stabs_common): Fix format specifier.
164 (parse_input): Change type of variable `i' to Size_t.
165 (write_object): Fix arguments to match format specifiers.
166 Cast variable `num_write' to long when comparing against one.
167 (read_seek): Cast variable `sys_read' to symint_t when comparing
168 against one. Fix arguments to match format specifiers. Cast
169 variable `size' to long when comparing against one.
170 (copy_object): Cast result of `sizeof' to int when comparing
171 against one. Fix arguments to match format specifiers. Cast
172 variable `ifd' to long when comparing against a signed value.
175 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
177 * c-common.c (decl_attributes): Allow applying attribute `unused'
180 * c-parse.in (label): Parse attributes after a label, and call
181 `decl_attributes' to handle them.
183 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
185 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
186 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
188 * invoke.texi: Note that labels can be marked `unused'.
190 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
192 * version.c: Bump for snapshot.
194 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
196 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
197 RTL for a compare/jump sequence.
199 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
201 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
202 for a target with HAVE_cc0 defined.
203 (emit_cmp_and_jump_insns): New function.
204 * expr.h (emit_cmp_and_jump_insns): Prototype it.
205 * loop.c (check_dbra_loop): Use it to replace calls
206 to emit_cmp_insn and emit_jump_insn and to canonicalise
207 the comparison if necessary.
208 * unroll.c (unroll_loop): Likewise.
210 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
212 * fixincludes (sys/utsname.h): Provide forward declaration of
213 struct utsname on Ultrix V4.[35].
215 * mips.md (div_trap): Use local labels instead of dot-relative
218 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
220 * pa.md (branch, negated branch): Handle (const_int 0) as first
222 * pa.c (output_cbranch): Likewise.
224 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
226 * rs6000.c (rs6000_stack_info): Undo spurious part of last
229 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
231 * extend.texi (__builtin_constant_p): Add missing @smallexample.
233 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
235 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
237 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
239 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
240 (adddi_dishl32): Similarly.
242 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
243 for each insn in the skipped block.
245 * reload1.c (reload_as_needed): Verify that the insn satisfies its
246 constraints after replacing a register address with an autoincrement
247 address for reload inheritance purposes.
249 * i386.md (doubleword shifts): Avoid namespace pollution.
251 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
253 * configure.in (FreeBSD ELF): Needs special crt files.
255 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
257 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
259 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
261 * loop.c (check_dbra_loop): While reversing the loop, if the
262 comparison value has a VOID mode use the mode of the other operand
265 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
267 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
268 avoid warnings in compiling explow.c.
270 (patch from Ken Raeburn, raeburn@cygnus.com)
271 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
272 fpmem_offset. Compute total size after that, and then
273 rs6000_fpmem_offset using both values.
275 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
277 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
278 the future; indeed that already happens in some cases.
280 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
282 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
283 (arith_operand): Remove constant_p_rtx handling.
284 (const64_operand, const64_high_operand): Likewise.
285 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
286 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
287 (small_int_or_double, uns_small_int, zero_operand): Likewise.
288 * sparc.h (PREDICATE_CODES): Likewise.
290 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
292 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
294 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
295 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
296 consider constant CONSTRUCTOR constant and to defer some cases
298 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
299 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
301 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
303 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
304 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
306 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
307 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
308 (sext_add_operand, and_operand, or_operand): Likewise.
309 (reg_or_cint_operand, some_operand, input_operand): Likewise.
310 * alpha.h (PREDICATE_CODES): Likewise.
312 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
314 * version.c: Bump for snapshot.
316 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
318 * gengenrtl.c (gencode): Always use bzero to clear memory instead
319 of dangerous casts and stores.
321 * Makefile.in (compare, gnucompare): Add missing else true clauses.
323 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
325 * alpha.md (builtin_longjmp): Add missing "DONE".
327 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
329 * gcc.c (execute): Enable -pipe with win32.
331 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
333 * config/arm/t-arm-elf: Add multiplib option for leading
336 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
337 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
339 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
340 than variable 'reload_address_base_reg_class'. [Note this
341 change is unrelated to the others in this patch].
343 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
346 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
348 * alias.c (record_alias_subset): Remove ignored `&'.
349 (init_alias_once): Likewise.
351 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
353 * config/mips/mips.c (mips_asm_file_end): Cast the result of
354 fwrite to `int' when comparing against one.
356 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
357 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
359 * cse.c (rehash_using_reg): Change type of variable `i' to
362 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
365 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
367 * final.c (final_scan_insn): Likewise for variable `i'.
368 (output_asm_insn): Cast a char to unsigned char when used as an
371 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
374 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
376 * recog.c (preprocess_constraints): Cast a char to unsigned char
377 when used as an array index.
379 * regmove.c (find_matches): Likewise.
381 * reload1.c (calculate_needs): Add default case in switch.
382 (eliminate_regs_in_insn): Initialize variable `offset'.
383 (set_offsets_for_label): Change type of variable `i' to unsigned.
384 (reload_as_needed): Wrap variable `i' in macro check on
385 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
387 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
388 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
389 when comparing against one.
391 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
392 unsigned when comparing against one. Likewise for
393 GET_MODE_ALIGNMENT().
394 (layout_record): Cast record_align to int when comparing against a
396 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
399 * tree.c (get_identifier): Cast variable `len' to unsigned when
400 comparing against one.
401 (maybe_get_identifier): Likewise
403 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
405 * toplev.c (rest_of_compilation): Do not set reload_completed.
406 * reload1.c (reload): Set reload_completed before calling
407 cleanup_subreg_operands.
409 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
411 * reload1.c (emit_reload_insns): Check `set' not null before use.
413 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
415 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
418 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
420 * halfpic.c (half_pic_encode): Delete redundant code.
422 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
424 * toplev.c (main): Delete handling of -dM as a preprocessor
427 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
429 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
430 -dI, which are handled by the preprocessor.
432 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
434 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
435 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
437 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
439 * version.c: Bump for snapshot.
441 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
443 * version.c: Bump for snapshot.
445 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
447 * version.c: Bump for snapshot.
449 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
451 * genattr.c (fatal): Qualify a char* with the `const' keyword.
453 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
454 write_unit_name, write_eligible_delay, expand_units,
455 make_length_attrs, write_attr_case, find_attr,
456 make_internal_attr): Likewise.
457 * gencheck.c (tree_codes): Likewise.
458 * gencodes.c (fatal): Likewise.
459 * genconfig.c (fatal): Likewise.
460 * genemit.c (fatal): Likewise.
461 * genextract.c (fatal, walk_rtx, copystr): Likewise.
462 * genflags.c (fatal): Likewise.
463 * genopinit.c (fatal, optabs, gen_insn): Likewise.
464 * genoutput.c (fatal, error, predicates): Likewise.
465 * genpeep.c (fatal): Likewise.
466 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
467 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
469 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
471 * configure.in (with-fast-fixincludes): Fix whitespace.
472 * configure: Rebuilt.
474 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
475 asm() etc. function declarations in __DECC.
477 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
479 * expr.c (emit_move_insn_1): Only emit a clobber if the target
480 is a pseudo register.
482 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
484 * gcse.c: Include expr.h in order to get the prototype for
485 get_condition() which is used in delete_null_pointer_checks().
487 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
489 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
491 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
493 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
494 (ALL_CFLAGS): Delete SCHED_CFLAGS.
496 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
498 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
501 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
503 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
504 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
505 optimizations from the combiner.
507 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
509 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
511 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
513 * toplev.c (main): Disable optimize_size if a specific
514 optimization level is requested. Always set optimization
515 level to 2 if -Os is specified.
517 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
519 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
521 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
522 initialize it using fname.
524 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
526 * cpplib.c (do_include): Treat #include_next in the
527 primary source file as #include plus warning. Treat
528 #include_next in a file included by absolute path as an
529 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
531 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
533 * cccp.c: Don't define MIN/MAX anymore.
534 * cpplib.c: Likewise.
535 * machmode.h: Likewise.
536 * system.h: Provide definitions for MIN/MAX.
538 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
540 * fix-header.c: Don't define xstrdup here.
542 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
544 * loop.c (consec_sets_giv): New argument last_consec_insn.
545 (strength_reduce): Provide / use it.
547 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
549 * loop.h (loop_info): New field 'vtop'.
550 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
551 scanning loop for vtop.
552 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
553 (loop_iterations): Use them to determine if loop has a constant
554 number of iterations. Set loop_info->vtop. Don't subtract
555 common reg term from initial_value and final_value if have a
558 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
560 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
562 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
564 * mn10200.md (abssf2, negsf2): New expanders.
566 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
568 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
570 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
571 replaced by a CONCAT whoes components do not have the same
572 mode as the original SUBREG, use a new SUBREG to restore the
575 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
576 multiword complex values.
578 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
580 * cppalloc.c: Add xstrdup here.
581 * cpplib.h: Remove savestring prototype.
582 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
584 * cppfiles.c: s/savestring/xstrdup/ throughout.
586 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
588 * cpplib.c: Make all directive handlers read their own
590 (struct directive): Remove last two arguments from FUNC
591 member prototype. Remove `command_reads_line' member
593 (directive_table): Remove initializations of
594 command_reads_line flag. Pretty-print.
595 (eval_if_expression, do_define, do_line, do_include,
596 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
597 do_else, do_elif, do_sccs, do_assert, do_unassert,
598 do_warning): Take only two args.
600 (cpp_define): Call do_define with two args and the text to
601 define stuffed into a buffer.
602 (make_assertion): Call do_assert with two args.
603 (handle_directive): Call do_line with two args. Call
604 kt->func with two args. Remove command_reads_line
606 (do_define, do_undef, do_error, do_warning, do_pragma,
607 do_sccs): Read the rest of the line here.
608 (do_ident): Gobble rest of line, as cccp does.
609 (cpp_undef): New function.
610 (cpp_start_read): Call cpp_undef instead of do_undef.
612 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
614 * cpphash.h (union hash_value): Remove `keydef' member, add a
615 `struct hashnode *aschain' member for #assert.
617 * cpplib.c (struct tokenlist_list, struct
618 assertion_hashnode): Delete structure definitions.
619 (assertion_install, assertion_lookup, delete_assertion,
620 check_assertion, compare_token_lists, reverse_token_list,
621 read_token_list, free_token_list): Delete functions.
622 (parse_assertion): New function.
623 (cpp_cleanup): Don't destroy the assertion_hashtable.
625 (do_assert): Gut and rewrite. #assert foo (bar) places
626 entries for `#foo' and `#foo(bar)' in the macro hash table,
627 type T_ASSERT. The value union's `aschain' member is used
628 to chain all answers for a given predicate together.
629 (do_unassert): Also rewritten. Take an un-asserted
630 answer off the chain from its predicate and call
631 delete_macro on the hashnode, or walk a predicate chain
632 calling delete_macro on all the entries.
633 (cpp_read_check_assertion): Simply call parse_assertion to
634 get the canonical assertion name, and look that up in the
637 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
640 * cpphash.c (install): Use bcopy instead of an explicit loop
641 to copy the macro name.
643 * cppexp.c (cpp_lex): Convert the result of
644 cpp_read_check_assertion to a `struct operation' directly;
645 don't go through parse_number.
647 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
649 * loop.h (struct induction): Delete times_used member.
650 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
651 (n_times_used): Rename to n_times_set. Changed all users.
652 (scan_loop): Free reg_single_usage before strength reduction.
653 (record_giv, combine_givs): Remove handling of times_used member.
654 (combine_givs_used_once): Rename to:
655 (combine_givs_used_by_other) . Changed all callers.
657 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
659 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
660 instead of TREE_CODE_CLASS == 't'.
661 (gen_type_die): Likewise.
662 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
664 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
666 * real.c (endian): Disable last change unless
667 HOST_BITS_PER_WIDE_INT is greater than 32.
669 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
671 * output.h (force_data_section): New prototype.
672 * varasm.c (force_data_section): New function to force the
673 data section, regardless of what in_section thinks.
674 * dwarf2out.c (output_call_frame_info): Call force_data_section
675 since varasm may not realize we've changes sections.
677 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
679 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
680 after completeing reload.
682 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
683 deleted after reload.
685 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
687 * rtl.h (multiple_sets): Fix prototype.
688 * rtlanal.c (multiple_sets): Fix return type.
690 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
692 * version.c: Bump for snapshot.
694 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
696 * version.c: Bump for snapshot.
698 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
700 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
702 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
704 * rtl.h (recompute_reg_usage): Add second argument.
705 * flow.c (recompute_reg_usage): Likewise.
706 * toplev.c (rest_of_compilation): Supply second argument to
709 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
712 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
714 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
715 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
716 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
719 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
721 * rtlanal.c (multiple_sets): New function.
722 * rtl.h (multiple_sets): Declare it.
723 * local-alloc.c (wipe_dead_reg): Use it.
724 * global.c (global_conflicts): Likewise.
726 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
728 * global.c (record_conflicts): Don't use an array of shorts to
729 store an array of ints.
730 (global_conflicts): Likewise.
732 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
734 * alpha.c (alpha_expand_block_move): mode_for_size expects
735 bits, not bytes. Infer extra alignment from addressof.
737 1998-12-11 Michael Meissner <meissner@cygnus.com>
739 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
740 .sbss section, not .sdata.
742 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
744 * cccp.c: Do not #include <sys/stat.h> here; this is already done
746 * collect2.c: Likewise.
747 * cpplib.h: Likewise.
750 * getpwd.c: Likewise.
751 * protoize.c: Likewise.
752 * toplev.c: Likewise.
754 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
755 and don't try to define it here.
756 * Makefile.in (cppmain.o): Depend on machmode.h.
757 (cpplib.o): Likewise.
758 (cpperror.o): Likewise.
759 (cppexp.o): Likewise.
760 (cppfiles.o): Likewise.
761 (cpphash.o): Likewise.
762 (cppalloc.o): Likewise.
763 (fix-header.o): Likewise.
764 (scan-decls.o): Likewise.
766 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
768 * sh.c (print_operand): lookup interrupt_handler attribute instead
769 of relying on static variable.
770 * (calc_live_regs): Likewise.
771 * (sh_pragma_insert_attributes): Create interrupt_handler
772 attribute if a pragma was specified
773 * (sh_valid_machine_decl_attribute): Don't set static flag.
774 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
776 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
778 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
779 to determine if a register is live at a jump destination.
780 Everything is dead at a BARRIER.
782 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
784 * cse.c (simplify_unary_operation): Sign-extend constants when
785 they have the most significant bit set for the target.
786 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
788 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
789 HOST_WIDE_INT temporary before negating it.
790 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
792 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
794 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
797 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
799 * collect2.h: New header file for prototypes.
801 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
803 * collect2.c: Include collect2.h.
806 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
808 * flow.c: Update some comments.
810 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
812 * objc/objc-act.c (cpp_initialized): Removed.
813 (lang_init_options): Initialize cpplib.
814 (lang_decode_option): Move initialization of cpplib to
816 * c-lang.c: (parse_options,parse_in): Added.
817 (lang_init_options): Initialized cpplib here.
818 * c-decl.c (parse_options,cpp_initialized): Removed.
819 (c_decode_option): Move initialization of cpplib to
822 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
824 * reload1.c (reload_combine, reload_combine_note_store):
825 Make STORE_RUID always valid.
826 (reload_combine): Check if BASE is clobbered too early.
828 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
830 * reload.c (find_reloads): Display the insn that cannot be
833 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
835 * cccp.c (create_definition): Fix end of bufer logic.
837 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
839 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
840 pointer parameters changed to use the PARAMS() macro.
842 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
844 * except.h (struct handler_info): Add handler_number field.
845 * except.c (gen_exception_label): EH labels no longer need to be
846 on the permanent obstack.
847 (get_new_handler): Set the label number field.
848 (output_exception_table_entry): Regenerate handler label reference
849 from the label number field.
850 (init_eh): Remove a blank line.
851 * integrate.c (get_label_from_map): Labels no longer need to be
852 on the permanent obstack.
854 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
856 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
857 only when OUTER_CODE is SET.
859 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
861 * loop.c (strength_reduce): If scan_start points to the loop exit
862 test, be wary of subversive use of gotos inside expression statements.
863 Don't set maybe_multiple for a backward jump that does not
864 include the label under consideration into its range.
865 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
867 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
869 * explow.c (plus_constant_wide): Don't immediately return with
870 result of recursive call.
872 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
874 * eh-common.h (struct eh_context): Add table_index for rethrows.
876 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
877 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
878 processed when inlined or unrolled (ie duplicated in some way).
880 * rtl.c (reg_note_name): Add strings for new reg_note enums.
882 * expr.h (rethrow_libfunc): New library decl.
884 * optabs.c (rethrow_libfunc): Initialize.
886 * except.h (struct eh_entry): Add new field 'rethrow_label'.
887 (new_eh_region_entry): No longer exported from except.c.
888 (duplicate_handlers): Renamed to duplicate_eh_handlers and
890 (rethrow_symbol_map, rethrow_used): New exported functions.
891 (eh_region_from_symbol): New exported function.
893 * except.c (create_rethrow_ref): New function to create a single
894 SYMBOL_REF for a rethrow region.
895 (push_eh_entry): Initialize a rethrow ref.
896 (func_eh_entry): Add a rethrow_label field.
897 (new_eh_region_entry): Make static, and initialize the rethrow entry.
898 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
899 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
900 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
901 a region into an appropriate new symbol.
902 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
903 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
904 (end_catch_handler): Emit a barrier for new-exceptions since
905 control can never drop through the end of a catch block.
906 (expand_end_all_catch): new-exceptions never fall through a catch
908 (expand_rethrow): use __rethrow routine for new exceptions.
909 (output_exception_table_entry): Generate rethrow labels, if needed.
910 (output_exception_table): Generate start and end rethrow labels.
911 (init_eh): Create rethrow symbols for beginning and end of table.
912 (scan_region): Don't eliminate EH regions which are the targets of
915 * flow.c (make_edges): Add different edges for rethrow calls,
916 identified by having the REG_EH_RETHROW reg label.
917 (delete_unreachable_blocks): Don't delete regions markers which are
918 the target of a rethrow.
920 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
921 allow save_for_inline_copying to call duplicate_eh_handlers.
922 (save_for_inline_copying): Call duplicate_eh_handlers instead of
923 exposing internal details of exception regions.
924 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
925 (expand_inline_function_eh_labelmap): New callback routine to
926 allow expand_inline_function to call duplicate_eh_handlers.
927 (expand_inline_function): Call duplicate_eh_handlers instead of
928 exposing internal details of exception regions.
929 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
932 * libgcc2.c (find_exception_handler): Generalize to enable it to
933 pick up processing where it left off last time for a rethrow.
934 (__unwinding_cleanup): New function. debug hook which is called before
935 unwinding when __throw finds there is nothing but cleanups left.
936 (throw_helper): Common parts of __throw extracted out for reuse.
937 (__throw): Common parts moved to throw_helper.
938 (__rethrow): New function for performing rethrows.
940 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
942 * reload1.c (current_function_decl): Tweak declaration.
944 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
946 * c-decl.c (flag_isoc9x): Default off.
947 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
948 * cccp.c (print_help, main): Likewise.
949 * gcc.c (default_compilers): Update for -std=gnu*.
951 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
953 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
954 * demangle.h: Deleted.
956 * reload1.c (current_function_decl): Declare.
958 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
960 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
962 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
964 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
966 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
968 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
970 * configure: Rebuilt.
971 * system.h: If the *_unlocked functions are available use them
972 instead of the locked counterparts by defining macros.
973 * config.in: Regenerated.
975 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
977 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
978 wrong and should only be used for dump related things, not
979 debugging information, instead main_input_filename should be used.
980 Also, reuse output_file_directive if possible.
981 * i386/aix386ng.h (ASM_FILE_START): Likewise.
982 * i386/isc.h (ASM_FILE_START): Likewise.
983 * i386/win-nt.h (ASM_FILE_START): Likewise.
984 * i386/sun386.h (ASM_FILE_START): Likewise.
986 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
988 * configure.in (mips*-*-linux*): Handle big and little endian
990 * configure: Rebuilt.
992 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
994 * emit-rtl.c: Fix typo.
996 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
998 * reload1.c (eliminate_regs): Don't do anything, if we're not
1001 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1003 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1005 * mips/mips.c (mips_select_section): Add comment.
1007 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1009 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1010 characters in file names in #line to be consistent with #include
1011 handling. We support escape prcessing in the # 1 "..." version of
1012 the command. See also support in cp/lex.c.
1013 (handle_directive): Likewise.
1014 (do_line): Likewise.
1016 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1018 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1019 so it'll work on non-ASCII platforms. Always consider $ an
1020 identifier character. Take no arguments.
1021 (cpp_reader_init): Call initialize_char_syntax with no
1023 (cpp_start_read): Don't call initialize_char_syntax again.
1024 Clear is_idchar['$'] and is_idstart['$'] if not
1025 opts->dollars_in_ident.
1027 * cpplib.h (struct cpp_reader): Replace void *data element by
1028 cpp_options *opts. Rearrange elements to make gdb printout
1029 less annoying (put buffer stack at end).
1030 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1032 * cppmain.c: s/data/opts/ when initializing cpp_reader
1034 * c-decl.c: Likewise.
1035 * objc/objc-act.c: Likewise.
1036 * fix-header.c: Likewise.
1038 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1040 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1041 with a struct file_name_list pointer.
1042 (struct cpp_reader): Add pointer to chain of `actual
1043 directory' include searchpath entries.
1044 (struct file_name_list): Add *alloc pointer for the sake of
1045 the actual-directory chain.
1047 Move definition of HOST_WIDE_INT here.
1048 (cpp_parse_escape): Change prototype to match changes in
1051 * cppfiles.c (actual_directory): New function.
1052 (finclude): Use it to initialize the buffer's actual_dir
1054 (find_include_file): We don't need to fix up max_include_len
1057 * cpplib.c (do_include): Don't allocate a file_name_list on
1058 the fly for current directory "" includes, use the one that's
1059 been preallocated in pfile->buffer->actual_dir. Hoist out
1060 duplicate code from the search_start selection logic.
1061 (cpp_reader_init): Initialize pfile->actual_dirs.
1063 Remove definition of HOST_WIDE_INT. Change calls
1064 to cpp_parse_escape to match changes in cppexp.c (note
1065 hardcoded MASK, which is safe since this is the source
1068 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1069 to handle wide character constants in #if directives. The
1070 function now returns a HOST_WIDE_INT, and takes a third
1071 argument which is a binary mask for all legal values (0x00ff
1072 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1073 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1074 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1076 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1078 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1080 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1082 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1083 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1084 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1086 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1088 * final.c (output_asm_name): Use tabs to seperate comments from
1091 Include instruction lengths (if defined) in output.
1093 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1095 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1096 in the loop_info structure.
1098 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1100 * configure.in: (arm*-*-ecos-elf): New target.
1101 * configure: Regenerated.
1102 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1103 * config/arm/ecos-elf.h: New file.
1104 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1107 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1109 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1111 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1113 * version.c: Bump for snapshot.
1115 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1117 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1120 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1122 * version.c: Bump for snapshot.
1124 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1126 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1127 compressed reports are ok and preferred over URLs
1129 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1131 * invoke.texi (Warning Options): Soften the tone of -pedantic
1133 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1135 * print-rtl.c (print_rtx): Add prototype.
1137 * unroll.c (iteration_info): Make it static.
1139 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1141 * alias.c (memrefs_conflict_p): A second ANDed address
1142 disables the aligned address optimization.
1144 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1146 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1149 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1151 * i960.h (BOOL_TYPE_SIZE): Define.
1153 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1155 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1156 from old valid_parallel_operands_4.
1157 (valid_parallel_operands_4): Check that operands for 4 operand
1158 parallel insns are valid, excluding load/store insns.
1159 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1160 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1161 valid_parallel_load_store instead of valid_parallel_operands_4.
1162 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1163 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1164 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1165 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1166 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1167 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1168 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1170 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1172 * config/c4x/c4x.c (iteration_info): Delete extern.
1174 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1176 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1178 * final.c (cleanup_subreg_operands): Delete some unused code.
1180 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1181 (struct insn_alternative): New structure definition.
1182 (recog_op_alt): Declare variable.
1183 (preprocess_constraints): Declare function.
1184 * recog.c (recog_op_alt): New variable.
1185 (extract_insn): Verify number of alternatives is in range.
1186 (preprocess_constraints): New function.
1187 * reg-stack.c: Include recog.h.
1188 (constrain_asm_operands): Delete.
1189 (get_asm_operand_lengths): Delete.
1190 (get_asm_operand_n_inputs): New function.
1191 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1192 N_OUTPUTS args. All callers changed.
1193 Compute number of inputs and outputs here by calling
1194 get_asm_operand_n_inputs.
1195 Instead of constrain_asm_operands, call extract_insn,
1196 constrain_operands and preprocess_constaints. Use information
1197 computed by these functions throughout.
1198 (record_reg_life): Delete code that is unused due to changes in
1199 record_asm_reg_life.
1200 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1201 N_INPUTS and N_OUTPUTS args. All callers changed.
1202 Similar changes as in record_asm_reg_life.
1203 (subst_stack_regs): Move n_operands declaration into the if statement
1205 Delete code that is unused due to changes in subst_asm_stack_regs.
1206 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1208 * Makefile.in (reg-stack.o): Depend on recog.h.
1210 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1212 * except.c (set_exception_version_code): Argument is an "int".
1214 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1216 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1217 * configure: Rebuilt.
1219 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1221 * configure.in (mipsel-*-linux*): New target.
1222 * mips/linux.h: New file, based on other Linux targets.
1224 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1226 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1227 runs in the context of the deleter, not the deletee, so we must
1228 use taskVarGet to find the correct memory to free.
1229 (__gthread_key_create): Initialize the task
1230 variable subsystem so that the task variable is still active when
1231 the delete hook is run.
1233 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1235 * pdp11.h: Use optimize_size for space optimizations.
1236 * pdp11.c: Likewise.
1237 * pdp11.md: Likewise.
1239 * pdp11.h (TARGET_40_PLUS): Fix typo.
1241 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1243 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1246 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1248 * alias.c (addr_side_effect_eval): New function.
1249 (memrefs_conflict_p): Use it.
1250 * rtl.h (addr_side_effect_eval): Prototype it.
1252 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1254 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1256 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1258 * reload.c (find_reloads): When force const to memory, put result
1259 in substed_operand not *recog_operand_loc.
1261 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1263 * c-lex.c: Fix indentation from last patch.
1264 Remove trailing whitespace.
1267 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1269 * flow.c (delete_block): Call set_last_insn after we have reset
1270 NEXT_INSN (kept_tail).
1272 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1274 * mips.md (trap_if): Use "$0" for the value zero.
1276 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1277 Stephen L Moshier <moshier@world.std.com>
1278 Richard Henderson <rth@cygnus.com>
1280 * c-common.c (declare_function_name): Declare predefinied variable
1283 * c-decl.c (flag_isoc9x): Set to 1 by default.
1284 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1285 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1287 * c-parse.in: Allow constructors in ISO C 9x.
1288 Rewrite designator list handling.
1289 Allow [*] parameters.
1290 Don't warn about comma at end of enum definition for ISO C 9x.
1292 * cccp.c (c9x): New variable.
1293 (rest_extension): New variable.
1294 (print_help): Document new -std= option.
1295 (main): Recognize -std= option. Set c9x appropriately.
1296 (create_definition): Recognize ISO C 9x vararg macros.
1298 * gcc.c (default_compilers): Adjust specs for -std options.
1299 (option_map): Add --std.
1300 (display_help): Document -std.
1302 * toplev.c (documented_lang_options): Add -std and remove
1305 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1306 or REAL_VALUE_HTOF based on base of the constants.
1307 * fold-const.c (real_hex_to_f): New function. Replacement function
1308 for hex FP conversion if REAL_ARITHMETIC is not defined.
1309 * real.c (asctoeg): Add handling of hex FP constants.
1310 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1313 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1315 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1316 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1317 expansion. Use hi/lo as destination register.
1319 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1320 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1321 Avoid as macro expansion. Use hi/lo as destination register.
1323 * mips.h (MASK_CHECK_RANGE_DIV): New.
1324 (MASK_NO_CHECK_ZERO_DIV): New.
1325 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1326 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1327 return address for leaf functions out of r31 to support
1328 builtin_return_address.
1330 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1332 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1333 NEXT_INSN(x) to check insn x.
1335 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1337 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1338 last insn in the rtl chain.
1340 * reload1.c (reload): Do not set reload_completed or split insns
1342 * toplev.c (rest_of_compilation): Set reload_completed after
1343 reload returns. Split insns after reload_cse has run.
1345 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1347 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1349 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1351 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1353 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1355 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1356 use of user-label_prefix.
1358 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1360 * reload1.c (emit_reload_insns): Clear spill_reg_store
1361 when doing a new non-inherited reload from the same pseudo.
1363 * local-alloc.c (function_invariant_p): New function.
1364 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1365 to decide if an equivalence should be recorded.
1366 * reload1.c (num_eliminable_invariants): New static variable.
1367 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1368 to decide if an equivalence should be recorded.
1370 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1371 Take num_eliminable_invariants into account when deciding
1372 if register elimination should be done.
1373 (reload_as_needed): Take num_eliminable_invariants into account
1374 when deciding if register elimination should be done.
1375 (eliminate_regs): Handle non-constant reg_equiv_constant.
1376 * rtl.h (function_invariant_p): Declare.
1378 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1380 * version.c: Bump for snapshot.
1382 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1384 * version.c: Bump for snapshot.
1386 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1388 * except.c (add_new_handler): Complain about additional handlers
1389 after one that catches everything.
1391 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1393 * configure.in (alpha*-*-netbsd): Fix typo.
1394 * configure: Rebuilt.
1396 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1398 * system.h: Include libiberty.h.
1400 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1401 function `concat' from fixed parameters to variable parameters,
1402 as is done in libiberty. All callers of concat/concat3
1403 changed to use the new `concat' with variable args.
1405 * cccp.c: Remove things made redundant by libiberty.h and/or
1406 conform to libiberty standards.
1408 * collect2.c: Likewise.
1409 * config/1750a/1750a.h: Likewise.
1410 * cppalloc.c: Likewise.
1411 * cppexp.c: Likewise.
1412 * cppfiles.c: Likewise.
1413 * cpphash.c: Likewise.
1414 * cpplib.c: Likewise.
1415 * dyn-string.c: Likewise.
1416 * fix-header.c: Likewise.
1419 * genattr.c: Likewise.
1420 * genattrtab.c: Likewise.
1421 * gencheck.c: Likewise.
1422 * gencodes.c: Likewise.
1423 * genconfig.c: Likewise.
1424 * genemit.c: Likewise.
1425 * genextract.c: Likewise.
1426 * genflags.c: Likewise.
1427 * gengenrtl.c: Likewise.
1428 * genopinit.c: Likewise.
1429 * genoutput.c: Likewise.
1430 * genpeep.c: Likewise.
1431 * genrecog.c: Likewise.
1432 * getpwd.c: Likewise.
1433 * halfpic.c: Likewise.
1435 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1436 in NEED_DECLARATION_* macros.
1438 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1439 conform to libiberty standards.
1440 (fatal): Fix const-ification of variable `format' in
1441 !ANSI_PROTOTYPES case.
1443 * prefix.c: Remove things made redundant by libiberty.h and/or
1444 conform to libiberty standards.
1446 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1447 conflicting with function `spaces' from libiberty.
1449 * profile.c: Remove things made redundant by libiberty.h and/or
1450 conform to libiberty standards.
1451 * protoize.c: Likewise.
1454 * tlink.c: Likewise.
1455 * toplev.c: Likewise.
1456 * toplev.h: Likewise.
1459 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1461 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1463 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1465 * README.C4X: Updated URLs.
1466 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1467 (valid_parallel_operands_5): Remove unused variable.
1469 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1471 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1473 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1475 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1476 which can be configured.
1477 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1478 (Makefile): Pass actual LANGUAGES through the environment when
1480 (cstamp-h): Likewise.
1481 (config.status): Likewise.
1483 * configure.in (enable_languages): Add new configuration parameter
1484 "--enable-languages=lang1,lang2,...".
1485 (${srcdir}/*/config-lang.in): Change handling to configure only
1486 those directories, that the user might have enabled; default to
1487 "all" existing languages.
1488 * configure: Regenerate.
1490 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1492 * rtlanal.c (regs_set_between_p): New function.
1493 * rtl.h (regs_set_between_p): Prototype it.
1494 * jump.c (jump_optimize): Use it instead of modified_between_p
1495 in the Sep 2 change.
1497 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1498 Matthias Pfaller <leo@dachau.marco.de>
1500 * invoke.texi (Option Summary, NS32K Options): add description
1501 of NS32K specific options.
1503 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1504 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1505 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1506 negdf2, absdf2): Use l instead of f since the double class and
1507 float class are no longer the same.
1508 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1509 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1510 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1511 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1513 (cmpsi, cmphi, cmpqi): use general_operand instead of
1514 non_immediate_operand. Removes erroneous assumption that can't
1516 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1517 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1519 (movstrsi, movstrsi1, movstrsi2): completely new block move
1521 (...): Patterns to exploit multiply-add instructions.
1522 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1523 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1524 patterns to exploit extended divide insns.
1525 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1528 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1529 float return values as well as simple scalar floats.
1530 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1531 support new flag to denote 32381 fpu.
1532 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1533 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1535 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1536 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1537 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1538 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1539 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1540 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1541 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1542 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1543 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1544 fpu registers and special register classes for new 32381
1545 instructions dotf and polyf.
1546 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1548 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1549 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1551 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1552 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1553 (REGISTER_MOVE_COST): move code to register_move_cost function for
1554 ease of coding and debugging.
1555 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1556 LONG_FLOAT_REGO is likely spilled but not caught by default
1558 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1559 instead of hard coded numbers in range check.
1560 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1561 (...): Add prototypes for functions in ns32k.c but disable because
1562 of problems when ns32k.h is included in machine independant files.
1564 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1565 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1566 hard_regno_mode_ok, secondary_reload_class,
1567 print_operand, print_operand_address): new register scheme to
1568 include 32381 fpu registers and special register classes for new
1569 32381 instructions dotf and polyf.
1570 (gen_indexed_expr): Make static to keep namespace clean.
1571 (check_reg): remove since never called.
1572 (move_tail, expand_block_move): helper functions for "movstrsi"
1574 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1575 Increase cost of moves which go via memory.
1576 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1577 (CPP_PREDEFINES): nolonger predefine "unix".
1579 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1580 Remove erroneous %$. print_operand() can work out from the rtx is
1581 an immediate prefix is required.
1583 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1584 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1585 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1587 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1590 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1591 Correct handling of pic operands.
1592 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1593 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1594 -mrtd calling convention.
1596 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1598 * gcc.c (option_map): Recognize --output-class-directory.
1600 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1602 * loop.h (precondition_loop_p): Added new mode argument.
1603 * unroll.c (precondition_loop_p): Likewise.
1604 (approx_final_value): Function deleted and subsumed
1605 into loop_iterations.
1606 (loop_find_equiv_value): New function.
1607 (loop_iterations): Use loop_find_equiv_value to find increments
1608 too large to be immediate constants. Also use it to find terms
1609 common to initial and final iteration values that can be removed.
1611 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1613 * loop.h (struct loop_info): Define new structure.
1614 (precondition_loop_p): Added prototype.
1615 (unroll_loop): Added new argument loop_info to prototype.
1616 (final_biv_value, final_giv_value): Added new argument n_iterations
1618 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1619 and new pointer loop_info.
1620 (loop_n_iterations): Replace global variable by element in
1621 loop_info structure.
1622 (check_final_value): New argument n_iterations.
1623 (insert_bct): New argument loop_info.
1624 (loop_unroll_factor): Replace global array by element in
1625 loop_info structure.
1626 (loop_optimize): Remove code to allocate and initialise
1627 loop_unroll_factor_array.
1628 * unroll.c (precondition_loop_p): No longer static since
1629 used by branch on count optimization.
1630 (precondition_loop_p, unroll_loop): New argument loop_info.
1631 (final_biv_value, final_giv_value, find_splittable_regs): New
1632 argument n_iterations.
1633 (loop_iteration_var, loop_initial_value, loop_increment,
1634 loop_final_value, loop_comparison_code, loop_unroll_factor):
1635 Replaced global variables by loop_info structure.
1636 (loop_unroll_factor): Replace global array by element in
1637 loop_info structure.
1639 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1641 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1644 * unroll.c (precondition_loop_p): Return loop_initial_value
1645 for initial_value instead of loop_iteration_var.
1647 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1649 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1650 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1651 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1652 to output the instruction sequences.
1654 (rptb_top): Provide alternatives to use any register or memory
1656 (rptb_end): Emit use of operands rather than assigning them
1657 explicitly to the RS and RE registers.
1659 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1661 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1662 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1663 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1664 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1665 c4x_merge_notes, c4x_parallel_process,
1666 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1667 c4x_combine_parallel): Delete.
1669 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1671 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1672 with old target options clear flag_branch_on_count_reg if
1673 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1675 (c4x_output_cbranch): Handle a sequence of insns rather than a
1677 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1678 has not been allocated as the loop counter.
1679 (c4x_address_conflict): Do not allow two volatile memory references.
1680 (valid_parallel_operands_4, valid_parallel_operands_5,
1681 valid_parallel_operands_6): Reject pattern if the register destination
1682 of the first set is used as part of an address in the second set.
1684 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1686 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1687 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1688 is no longer enabled if PARALLEL_MPY_FLAG set.
1689 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1690 (REG_CLASS_CONTENTS): Add braces around initializers.
1691 (HAVE_MULTIPLE_PACK): Define.
1692 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1693 REAL_VALUE_TO_DECIMAL.
1694 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1695 REAL_VALUE_TO_DECIMAL.
1696 (ar0_reg_operand): Add prototype.
1697 (ar0_mem_operand): Likewise.
1698 (ar1_reg_operand): Likewise.
1699 (ar1_mem_operand): Likewise.
1700 (ar2_reg_operand): Likewise.
1701 (ar2_mem_operand): Likewise.
1702 (ar3_reg_operand): Likewise.
1703 (ar3_mem_operand): Likewise.
1704 (ar4_reg_operand): Likewise.
1705 (ar4_mem_operand): Likewise.
1706 (ar5_reg_operand): Likewise.
1707 (ar5_mem_operand): Likewise.
1708 (ar6_reg_operand): Likewise.
1709 (ar6_mem_operand): Likewise.
1710 (ar7_reg_operand): Likewise.
1711 (ar7_mem_operand): Likewise.
1712 (ir0_reg_operand): Likewise.
1713 (ir0_mem_operand): Likewise.
1714 (ir1_reg_operand): Likewise.
1715 (ir1_mem_operand): Likewise.
1716 (group1_reg_operand): Likewise.
1717 (group1_mem_operand): Likewise.
1718 (ir1_reg_operand): Likewise.
1719 (arx_reg_operand): Likewise.
1720 (not_rc_reg): Likewise.
1721 (not_modify_reg): Likewise.
1722 (c4x_group1_reg_operand): Remove prototype.
1723 (c4x_group1_mem_operand): Likewise.
1724 (c4x_arx_reg_operand): Likewise.
1726 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1728 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1729 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1731 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1733 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1736 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1738 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1739 unless FMOVD_WORKS is defined.
1741 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1743 * regclass.c (init_reg_sets): Move code that calculates tables
1744 dependent on reg_class_contents from here...
1745 (init_reg_sets_1): To here.
1747 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1749 * cpplib.h: Delete struct import_file. Add ihash element to
1750 struct cpp_buffer. Delete dont_repeat_files and
1751 import_hash_table elements from cpp_reader; change
1752 all_include_files to a hash table. Delete all foobar_include
1753 / last_foobar_include elements from struct cpp_options; put
1754 back four such: quote_include, bracket_include,
1755 system_include, after_include. Redo struct file_name_list
1756 completely. Add new structure type include_hash. Add
1757 prototypes for merge_include_chains and include_hash. Change
1758 prototypes for finclude, find_include_file, and
1759 append_include_chain to match changes below.
1761 * cppfiles.c (simplify_pathname, include_hash,
1762 remap_filename, merge_include_chains): New functions.
1763 (add_import, lookup_import, open_include_file): Removed.
1764 (INO_T_EQ): Define this (copied from cccp.c).
1765 (hack_vms_include_specification): Remove all calls and #if 0
1766 out the definition. It was being called incorrectly and at
1767 the wrong times. Until a VMSie can look at this, it's better
1768 to not pretend to support it.
1769 (append_include_chain): Change calling convention; now takes
1770 only one directory at a time, and sets up the data structure
1772 (redundant_include_p): Rewritten - this is now used for all
1773 include redundancy, whether by #ifndef, #import, or #pragma
1774 once. Looks up things in the include hash table.
1775 (file_cleanup): Decrement pfile->system_include_depth here if
1777 (find_include_file): Calling convention changed; now passes
1778 around a struct include_hash instead of 3 separate parameters.
1779 Guts ripped out and replaced with new include_hash mechanism.
1780 (finclude): Calling convention changed as for
1781 find_include_file. Error exits pulled out-of-line. Reformat.
1782 (safe_read): Return a long, not an int.
1783 (deps_output): Don't recurse.
1785 * cpplib.c (is_system_include): Deleted.
1786 (path_include): Fix up call to append_include_chain.
1787 (do_include): Fix up calls to find_include_file and finclude.
1788 Clean up dependency output a bit. Shorten obnoxiously lengthy
1789 #import warning message. Don't decrement
1790 pfile->system_include_depth here.
1791 (do_pragma): Understand the include_hash structure. Reformat.
1792 (do_endif): Correct handling of control macros. Understand
1794 (cpp_start_read): Fix up calls to finclude. Call
1795 merge_include_chains.
1796 (cpp_handle_option): Fix up calls to append_include_chain.
1797 Understand the four partial include chains.
1798 (cpp_finish): Add debugging code (#if 0-ed out) for the
1800 (cpp_cleanup): Free the include_hash, not the import hash and
1801 the all_include and dont_repeat lists which no longer exist.
1803 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1805 * toplev.c (no_new_pseudos): Define.
1806 (rest_of_compilation): Set no_new_pseudos as needed.
1807 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1808 if no_new_pseudos is set.
1809 * rtl.h (no_new_pseudos): Declare it.
1810 * reload1.c (reload): Update comments.
1811 * md.texi: Corresponding changes.
1813 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1815 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1816 (choose_reload_regs): Rename it here as well. When computing it,
1817 also merge in used hardregs.
1819 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1821 * gcc.c: Split out Objective-C specs to...
1822 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1825 * c-lex.c (init_parse): Always initialize the filename global.
1826 * objc/objc-act.c (lang_init): Always call check_newline at
1829 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1831 * reload1.c (reload): Remove unused variable.
1832 (reload_reg_free_for_value_p): Add missing parameter definition.
1834 * jump.c (jump_optimize): Remove unused variable.
1836 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1838 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1840 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1842 * expr.c (move_by_pieces): Similarly.
1843 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1844 * flow.c (find_auto_inc): Similarly.
1845 (try_pre_increment): Similarly.
1846 * loop.c (strength_reduce): Similarly.
1847 * regclass.c (auto_inc_dec_reg_p): Similarly.
1848 * regmove.c (try_auto_increment): Similarly.
1849 (fixup_match_1): Similarly.
1850 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1851 (HAVE_PRE_DECREMENT): Similarly.
1852 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1853 * Corresponding changes to all target header files.
1854 * tm.texi: Update docs for autoinc addressing modes.
1856 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1858 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1859 * configure: Rebuild.
1860 * config/elfos.h: New file.
1861 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1862 config/m68k/t-m68kelf: New file.
1864 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1866 * Makefile.in (HOST_AR): Define.
1867 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1868 (libcpp.a): Use the host tools explicitly.
1869 (STAGESTUFF): Add libcpp.a.
1871 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1873 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1874 to source and destination registers.
1876 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1878 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1879 The strategy we now use is to pre allocate the top_elt along
1880 with the EH context so that each thread has its own top_elt.
1881 This is necessary as the dynmanic cleanup chain is used on the
1882 top element of the stack and each thread MUST have its own.
1883 (eh_context_static): Likewise.
1884 (new_eh_context): Likewise.
1885 (__sjthrow): Likewise.
1887 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1889 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1890 * i386.md (prologue_get_pc): Remove unused variable.
1892 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1894 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1896 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1898 * Makefile.in (OBJS): Add graph.o
1899 (graph.o): New dependency list.
1900 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1901 * print-rtl.c (dump_for_graph): Define new variable.
1902 (print_rtx): Rewrite to allow use in graph dumping functions.
1903 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1904 finish_graph_dump_file.
1905 Define graph_dump_format.
1906 (compile_file): If graph dumping is enabled also clear these files.
1907 Finish graph dump files.
1908 (rest_of_compilation): Also dump graph information if enabled.
1909 (main): Recognize -dv to enabled VCG based graph dumping.
1910 * graph.c: New file. Graph dumping functions.
1912 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1914 * configure.in: Look for <sys/stat.h>.
1915 * system.h: Include it before substitute S_ISREG definitions.
1917 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1919 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1920 * config/mips/iris6.h: Same.
1921 * config/mips/mips.md: Same.
1922 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1923 * config/mips/mips.h: Same; also define ABI_O64.
1925 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1927 * configure.in: Use AC_PREREQ(2.12.1).
1929 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1931 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1932 * cpplib.c, gcc.c: Likewise.
1933 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1935 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1937 * local-alloc.c (local_alloc): Use malloc not alloca for
1938 reg_qty, reg_offset, ref_next_in_qty.
1940 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1942 * caller-save.c (insert_one_insn): Initialize the live_before and
1943 live_after register sets.
1947 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1948 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1949 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1950 (fp_reg_names, assembler_dialect): New variables.
1951 (print_operand_address): Handle SUBREGs.
1952 (print_operand): Added 'o' case.
1953 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1954 Name of FP registers depends on mode.
1955 (expand_block_move): Emit different code for SH4 hardware.
1956 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1957 (from_compare): Likewise.
1958 (add_constant): New argument last_value. Changed all callers.
1959 (find_barrier): Don't try HImode load for FPUL_REG.
1960 (machine_dependent_reorg): Likewise.
1961 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1962 (gen_far_branch): Emit a barrier after the new jump.
1963 (barrier_align): Don't trust instruction lengths before
1965 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1966 Use auto-inc addressing for fp registers if doubles need to
1967 be loaded in two steps.
1968 Set sh_flag_remove_dead_before_cse.
1969 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1970 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1971 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1972 Support for FIRST_XD_REG .. LAST_XD_REG.
1973 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1974 (sh_expand_epilogue): Likewise.
1975 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1976 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1977 (arith_reg_operand): FPUL_REG is OK for SH4.
1978 (fp_arith_reg_operand, fp_extended_operand) New functions.
1979 (tertiary_reload_operand, fpscr_operand): Likewise.
1980 (commutative_float_operator, noncommutative_float_operator): Likewise.
1981 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1982 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1983 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1984 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1985 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1986 (CONDITIONAL_REGISTER_USAGE): Likewise.
1987 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1988 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1989 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1990 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1991 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1992 to -1 and sh_flag_remove_dead_before_cse to 1.
1993 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1994 (assembler_dialect, fp_reg_names): Declare.
1995 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1996 Hide names of registers that are not accessible.
1997 (CACHE_LOG): Take TARGET_CACHE32 into account.
1998 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1999 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2000 (FIRST_PSEUDO_REGISTER: Now 49.
2001 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2002 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2003 (HARD_REGNO_MODE_OK): Update.
2004 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2005 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2006 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2007 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2008 (NPARM_REGS): Eight floating point parameter registers on SH4.
2009 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2010 in floating point registers.
2011 (GET_SH_ARG_CLASS) Likewise.
2012 Complex float types are also returned in float registers.
2013 (BASE_ARG_REG): Complex float types are also passes in float registers.
2014 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2015 (LIBCALL_VALUE): Remove trailing semicolon.
2016 (ROUND_REG): Round when double precision value is passed in floating
2018 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2019 passed on the stack.
2020 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2021 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2022 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2023 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2024 (MODE_DISP_OK_8): Not for SH4 DFmode.
2025 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2026 Allow indexed addressing for PSImode after reload.
2027 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2028 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2029 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2030 (DOUBLE_TYPE_SIZE): 64 for SH4.
2031 (RTX_COSTS): Add PLUS case.
2032 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2033 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2034 MAC_REGS, PR_REGS, DF_REGS.
2035 (REGISTER_NAMES): Use fp_reg_names.
2036 (enum processor_type): Add PROCESSOR_SH4.
2037 (sh_flag_remove_dead_before_cse): Declare.
2038 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2039 (PREDICATE_CODES): Add binary_float_operator,
2040 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2041 fpscr_operand, noncommutative_float_operator.
2042 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2043 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2044 * sh.md (attribute cpu): Add value sh4.
2045 (attrbutes fmovd, issues): Define.
2046 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2047 (function units memory, int, mpy, fp): Make dependent on issue rate.
2048 (function units issue, single_issue, load_si, load): Define.
2049 (function units load_store, fdiv, gp_fpul): Define.
2050 (attribute hit_stack): Provide proper default.
2051 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2052 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2053 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2054 (mulsi3_call): Now uses match_operand for function address.
2055 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2057 (push, pop, push_e, pop_e): Now define_expands.
2058 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2059 (movsi_ie): Added y/i alternative.
2060 (ic_invalidate_line_i, movdf_i4): New insns.
2061 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2062 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2063 (movdf): Add special code for SH4.
2064 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2065 (call_valuei, calli, call_value): Likewise.
2066 (movsf): Emit no-op move.
2067 (mov_nop, movsi_y): New insns.
2068 (blt, sge): generalize to handle DFmode.
2069 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2070 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2071 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2072 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2073 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2074 (toggle_sz): New insn.
2075 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2076 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2077 (macsf3): Make use of fpscr visible. Disable for SH4.
2078 (floatsisf2): Make use of fpscr visible.
2079 (floatsisf2_i4): New insn.
2080 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2081 (ieee_ccmpeqsf_t): Likewise.
2082 (fix_truncsfsi2): Emit different code for SH4.
2083 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2084 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2085 (negsf2, sqrtsf2, abssf2): Now expanders.
2086 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2087 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2088 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2089 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2090 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2091 (fix_truncdfsi2_i4_2+1): New splitters.
2092 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2093 (extendsfdf2, truncdfsf2): New expanders.
2094 (truncdfsf2_i4): New insn.
2095 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2096 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2097 * float-sh.h: When testing for __SH3E__, also test for
2098 __SH4_SINGLE_ONLY__ .
2099 * va-sh.h (__va_freg): Define to float.
2100 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2101 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2102 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2103 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2105 (TARGET_SH4_P): Define.
2108 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2109 init_expr_once is satisfied about the existence of load / store insns.
2111 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2112 change m constraint in source operand to mr / mf .
2114 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2116 * (__VA_REEF): Define.
2117 (__va_arg_sh1): Use it.
2119 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2121 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2123 * i386/dgux.c (struct option): Add new "description field".
2124 * m88k/m88k.c (struct option): Likewise.
2126 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2128 * version.c: Bump for snapshot.
2130 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2132 * regmove.c (regmove_profitable_p): Use return value of find_matches
2135 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2137 * version.c: Bump for snapshot.
2139 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2141 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2142 without reload having been called earlier.
2144 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2146 (v850_reorg): Similarly.
2148 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2150 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2152 * loop.c (move_movables): Start of libcall might be new loop start.
2154 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2156 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2158 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2160 * function.c (nonlocal_goto_handler_slots): Renamed from
2161 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2162 (push_function_context_to): Adjust for this change.
2163 (pop_function_context_from): Likewise.
2164 (init_function_start): Likewise.
2165 (expand_function_end): Likewise.
2166 * function.h (struct function): Likewise.
2167 * calls.c (expand_call): Likewise.
2168 * explow.c (allocate_dynamic_stack_space): Likewise.
2169 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2170 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2172 (expand_goto): When doing a nonlocal goto, find corresponding handler
2173 slot for it. Don't put the label address in the static chain register.
2174 (expand_end_bindings): Break out nonlocal goto handling code into
2175 three new functions.
2176 (expand_nl_handler_label, expand_nl_goto_receiver,
2177 expand_nl_goto_receivers): New static functions, broken out of
2178 expand_end_bindings and adapted to create one handler per nonlocal
2180 * function.c (delete_handlers): Delete insn if it references any of
2181 the nonlocal goto handler slots.
2182 * i960.md (nonlocal_goto): Comment out code that modifies
2184 * sparc.md (nonlocal_goto): Likewise.
2185 (goto_handler_and_restore_v9): Comment out.
2186 (goto_handler_and_restore_v9_sp64): Comment out.
2188 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2190 * expr.c (STACK_BYTES): Delete unused macro.
2191 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2192 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2193 (expand_call): Likewise.
2194 (emit_library_call): Likewise.
2195 (emit_library_call_value): Likewise.
2196 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2197 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2198 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2199 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2200 (allocate_dynamic_stack_space): Likewise.
2201 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2202 (STACK_BOUNDARY): Update description to reflect the new situation.
2204 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2206 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2207 return with a filled delay slot is followed by a return with an
2208 unfilled delay slot, delete the first return and reemit the insn
2209 that was previously in its delay slot.
2211 * i860.c (single_insn_src_p): Add missing parens.
2212 * ginclude/math-3300.h: Likewise.
2214 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2216 * regclass.c (init_reg_sets_1): Add prototype.
2217 (init_reg_modes): Likewise.
2219 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2221 * c-common.c: Change warning messages to say `comparison is
2222 always true' or `comparison is always false' instead of the
2223 confusing `is always 0', `is always 1'.
2225 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2227 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2228 break instead of return (which loses closing '>').
2230 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2232 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2233 standard 387 constants.
2235 * i386.md (jump): Explicitly set "memory" attribute.
2236 (indirect_jump, prologue_set_stack_ptr): Likewise.
2237 (prologue_get_pc_and_set_got, pop): Likewise.
2238 (allocate_stack_worder, blockage, return_internal): Likewise.
2239 (return_pop_internal, nop): Likewise.
2240 (epilogue_set_stack_ptr, leave): Likewise.
2242 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2244 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2246 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2248 * reload1.c (reload_reg_free_for_value_p):
2249 Early auto_inc reloads don't conflict with outputs.
2251 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2253 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2254 Instead call AC_HEADER_SYS_WAIT.
2256 * collect2.c: Don't provide defaults for sys/wait.h macros.
2258 * protoize.c: Likewise. Also, don't include sys/wait.h.
2260 * system.h: Include sys/wait.h and provide macro defaults.
2262 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2264 * Makefile.in (mandir): Set to @mandir@.
2265 (man1dir): New variable to hold the former value of $(mandir).
2266 Replace all uses of $(mandir) by $(man1dir).
2268 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2270 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2271 a new one before passing it to force_const_mem.
2273 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2274 find_reloads_address call.
2276 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2278 * expr.c (store_expr): Don't generate load-store pair
2279 if TEMP is identical (according to ==) with TARGET.
2281 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2283 * reload1.c (reload_reg_free_for_value_p): When considered reload
2284 has an output, matching inputs are not sufficient to avoid conflict.
2286 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2288 * hash.h (hash_table_key): New type.
2289 (hash_entry): Change `string' field to generic `key'.
2290 (hash_table): Add `comp' and `hash' functions.
2291 (hash_table_init): Take them as input.
2292 (hash_table_init_n): Likewise.
2293 (hash_lookup): Modify for generic keys.
2294 (hash_newfunc): Likewise.
2295 (hash_traverse): Likewise.
2296 (string_hash): New function.
2297 (string_compare): Likewise.
2298 (string_copy): Likewise.
2299 * hash.c (hash_table_init_n): Modify for generic keys.
2300 (hash_table_init): Likewise.
2301 (hash_lookup): Likewise.
2302 (hash_newfunc): Likewise.
2303 (hash_traverse): Likewise.
2304 (string_hash): Split out from hash_lookup.
2305 (string_compare): New function.
2306 (string_copy): Split out from hash_lookup.
2307 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2309 (symbol_hash_lookup): Likewise.
2310 (file_hash_newfunc): Likewise.
2311 (file_hash_lookup): Likewise.
2312 (demangled_hash_newfunc): Likewise.
2313 (demangled_hash_lookup): Likewise.
2314 (tlink_int): Likewise.
2315 (read_repo_file): Likewise.
2316 (recompile_files): Likewise.
2317 (demangle_new_symbols): Likewise.
2318 (scan_linker_output): Likewise.
2320 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2322 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2324 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2326 * rs6000.c (output_mi_thunk): Improve test for local branch.
2328 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2330 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2332 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2334 * reload1.c (reload_reg_free_before_p): Delete.
2335 Changed all callers to use reload_reg_free_for_value_p instead.
2336 (reload_reg_free_for_value_p): Handle more reload types.
2337 A RELOAD_FOR_INPUT doesn't conflict with its
2338 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2339 Add special case for OUT == const0_rtx.
2340 Added ignore_address_reloads argument. Changed all callers.
2342 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2344 * toplev.c (compile_file): Don't pedwarn about undefined static
2345 functions just because we passed -Wunused.
2347 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2349 * function.c (purge_addressof_1): Unshare rtl created by
2352 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2354 * regmove.c (regmove_optimize): Don't do anything but
2355 optimize_reg_copy[123] when flag_regmove is not set.
2357 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2359 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2360 value in paradoxical SImode result, rather than truncating midpoint.
2362 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2364 * alpha.c (reg_not_elim_operand): New.
2365 * alpha.h (PREDICATE_CODES): Add it.
2366 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2367 for the multiplicand.
2369 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2371 * rs6000.md (movsf): Remove explicit secondary-reload-like
2372 functionality. Only truncate SFmode store if in FPR.
2373 (movsf splitters): Combine const_double splitters.
2374 (movsf_hardfloat): Add GPR support.
2376 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2378 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2379 deprecate -mlive-g0 and -mbroken-saverestore.
2380 * t-splet (MULTILIB_OPTIONS): Likewise.
2382 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2383 in a leaf function. Clarify total_size/extra_size relationship.
2385 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2387 * i386/cygwin32.asm: Delete.
2388 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2389 * i386/cygwin32.h: Delete.
2390 * i386/cygwin.h: New file, renamed from cygwin32.h.
2391 * i386/t-cygwin32: Delete.
2392 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2393 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2394 * i386/x-cygwin32: Delete.
2395 * i386/x-cygwin: New file, renamed from x-cygwin32.
2396 * i386/xm-cygwin32: Delete.
2397 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2398 renamed cygwin_ funcs for path translations.
2399 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2400 * i386/winnt.c: Remove "32" from comment about cygwin.
2401 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2402 * rs6000/cygwin32.h: Delete.
2403 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2404 -D__CYGWIN__ to CPP_PREDEFINES.
2405 * rs6000/x-cygwin32: Delete.
2406 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2407 * rs6000/xm-cygwin32: Delete.
2408 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2410 * configure.in: Check for cygwin* instead of cygwin32. Account
2411 for the rename of cygwin-related config files to lose the "32"s.
2412 * configure: Regenerate.
2414 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2415 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2417 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2419 * Makefile.in (JAVAGC): New macro.
2420 * configure: Rebuilt.
2421 * configure.in: Recognize --enable-java-gc argument. Subst
2424 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2426 Handle equivalences that have been obscured by gcse:
2428 * reload1.c (reload): Handle equivalences set up in multiple places.
2429 * local-alloc.c (reg_equiv_init_insns): New variable.
2430 (no_equiv): New function.
2431 (update_equiv_regs): Handle equivalences set up in multiple places.
2432 Don't ignore an insn just because its destination is likely to be
2435 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2437 * except.c (expand_eh_return): Readd force_operand call lost in
2440 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2442 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2444 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2446 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2448 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2450 * regmove.c (regmove_optimize): Fix error in last change.
2452 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2454 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2455 offset in the .mask pseudo to compensate for frame pointer adjustments.
2456 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2457 word swap arguments moved to/from FP registers.
2458 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2460 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2462 * version.c: Bump for snapshot.
2464 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2466 * version.c: Bump for snapshot.
2468 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2470 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2471 times, then it can not be completely replaced.
2473 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2475 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2477 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2479 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2480 (to distinguish it from the macro wrapping ansidecl.h.)
2481 Include libiberty's ansidecl.h. Remove all redundant definitions.
2482 Define the PROTO() style macros in terms of the PARAMS() ones.
2485 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2486 __STDC__, when deciding whether to use ANSI variable args.
2487 (emit_library_call_value): Likewise.
2489 * cccp.c (error): Likewise.
2490 (warning): Likewise.
2491 (error_with_line): Likewise.
2492 (warning_with_line): Likewise.
2493 (pedwarn): Likewise.
2494 (pedwarn_with_line): Likewise.
2495 (pedwarn_with_file_and_line): Likewise.
2498 * cexp.y (error): Likewise.
2499 (pedwarn): Likewise.
2500 (warning): Likewise.
2502 * collect2.c (fatal_perror): Likewise.
2506 * combine.c (gen_rtx_combine): Likewise.
2508 * cpperror.c (cpp_message): Likewise.
2509 (cpp_fatal): Likewise.
2511 * cpplib.c (cpp_error): Likewise.
2512 (cpp_warning): Likewise.
2513 (cpp_pedwarn): Likewise.
2514 (cpp_error_with_line): Likewise.
2515 (cpp_warning_with_line): Likewise.
2516 (cpp_pedwarn_with_line): Likewise.
2517 (cpp_pedwarn_with_file_and_line): Likewise.
2519 * cpplib.h: Don't define PARAMS() macro.
2521 * demangle.h: Likewise.
2523 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2524 when deciding whether to use ANSI variable args.
2526 * emit-rtl.c (gen_rtx): Likewise.
2527 (gen_rtvec): Likewise.
2529 * final.c (asm_fprintf): Likewise.
2531 * fix-header.c (cpp_message): Likewise.
2533 (cpp_fatal): Likewise.
2535 * gcc.c (concat): Likewise.
2539 * genattr.c (fatal): Likewise.
2541 * genattrtab.c (attr_rtx): Likewise.
2542 (attr_printf): Likewise.
2545 * gencodes.c (fatal): Likewise.
2547 * genconfig.c (fatal): Likewise.
2549 * genemit.c (fatal): Likewise.
2551 * genextract.c (fatal): Likewise.
2553 * genflags.c (fatal): Likewise.
2555 * genopinit.c (fatal): Likewise.
2557 * genoutput.c (fatal): Likewise.
2560 * genpeep.c (fatal): Likewise.
2562 * genrecog.c (fatal): Likewise.
2564 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2565 deciding whether to declare `tree_node' and `rtx_def'.
2567 * hash.h: Don't define stuff we get from gansidecl.h.
2569 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2570 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2571 whether to use ANSI variable args.
2574 * prefix.c (concat): Likewise.
2578 * system.h: Likewise.
2580 * toplev.c (error_with_file_and_line): Likewise.
2581 (error_with_decl): Likewise.
2582 (error_for_asm): Likewise.
2585 (warning_with_file_and_line): Likewise.
2586 (warning_with_decl): Likewise.
2587 (warning_for_asm): Likewise.
2588 (warning): Likewise.
2589 (pedwarn): Likewise.
2590 (pedwarn_with_decl): Likewise.
2591 (pedwarn_with_file_and_line): Likewise.
2593 (really_sorry): Likewise.
2595 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2596 whether to declare `tree_node' and `rtx_def'.
2598 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2599 deciding whether to use ANSI variable args.
2600 (build_nt): Likewise.
2601 (build_parse_node): Likewise.
2603 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2605 * version.c: Bump for snapshot.
2607 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2609 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2611 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2613 * collect2.c (main, case 'b'): Use else if.
2615 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2617 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2618 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2619 before the config/ directory headers.
2620 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2621 gansidecl.h in the list of dependencies.
2623 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2624 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2625 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2626 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2627 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2628 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2631 * cccp.c: Don't include gansidecl.h.
2633 * collect2.c: Likewise.
2634 * config/c4x/c4x.c: Likewise.
2635 * config/v850/v850.h: Likewise.
2636 * cppalloc.c: Likewise.
2637 * cpperror.c: Likewise.
2638 * cppexp.c: Likewise.
2639 * cppfiles.c: Likewise.
2640 * cpphash.c: Likewise.
2641 * cpplib.c: Likewise.
2642 * cppmain.c: Likewise.
2643 * cppulp.c: Likewise.
2644 * demangle.h: Likewise.
2645 * doprint.c: Likewise.
2646 * dyn-string.c: Likewise.
2647 * eh-common.h: Likewise.
2648 * fix-header.c: Likewise.
2649 * frame.c: Likewise.
2652 * gen-protos.c: Likewise.
2653 * gencheck.c: Likewise.
2654 * halfpic.h: Likewise.
2656 * machmode.h: Likewise.
2657 * mbchar.c: Likewise.
2658 * prefix.c: Likewise.
2659 * protoize.c: Likewise.
2660 * recog.h: Likewise.
2662 * scan-decls.c: Likewise.
2664 * varray.h: Likewise.
2666 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2668 * i386.md (call_value_pop): If we're not popping anything,
2669 defer to call_value.
2670 (call_pop): Likewise defer to call.
2672 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2674 * function.c (purge_addressof): Clear purge_addressof_replacements
2675 only after processing the whole function.
2677 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2679 * reload1.c (reload): If we can not perform a particular elimination
2680 when we thought we could earlier, then we must always iterate through
2681 the loop at least one more time.
2683 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2685 * alpha.c (add_operand): Simplify the CONST_INT match.
2686 (sext_add_operand): Correct typo in comparison by using
2687 CONST_OK_FOR_LETTER_P.
2688 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2689 constant alternatives to be generated.
2690 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2691 small constants, since the hw instructions do.
2693 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2695 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2696 previous insn to store directly into our reload register, make sure
2697 that if the source of the previous insn is a reload register, its
2698 spill_reg_store and spill_reg_stored_to values are cleared.
2700 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2702 * rs6000.md (floatunssidf2_internal splitter): Use base register
2703 operand, not hard-coded SP.
2705 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2707 * jump.c (calculate_can_reach_end): Fix thinko.
2709 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2711 * reorg.c (fill_simple_delay_slots): Fix typo.
2713 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2715 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2717 * i386.md (extendsidi2): Use # in the output template.
2718 (extendsidi splitters): New splitters.
2720 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2722 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2724 * configure: Regenerate.
2726 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2728 * jump.c (init_label_info, delete_barrier_successors,
2729 mark_all_labels, delete_unreferenced_labels,
2730 delete_noop_moves, calculate_can_reach_end): New functions broken
2731 out of jump_optimize.
2732 (jump_optimize): Use them.
2734 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2736 * except.c (expand_fixup_region_end): Make sure outer context labels
2737 are not issued in an inner context during cleanups.
2739 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2741 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2744 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2746 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2747 to expose this midpoint to CSE.
2749 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2751 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2753 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2755 * configure.in: Bring over gcc2 change of Nov 19 1997.
2757 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2759 * toplev.c (output_lang_identify): Make definition dependent on
2760 ASM_IDENTIFY_LANGUAGE.
2762 * print-rtl.c (spaces): Make static.
2764 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2766 * extend.texi: Clarify proper uses for register clobbers in asms.
2768 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2770 * recog.h (enum op_type): Define.
2771 (constrain_operands): Adjust prototype.
2772 (recog_op_type): Declare new variable.
2773 * recog.c (recog_op_type): New variable.
2774 (insn_invalid_p): Allow modifying an asm statement after reload.
2775 (extract_insn): Set up recog_op_type.
2776 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2777 Don't compute operand types, use recog_op_type.
2778 Use the information computed by extract_insn instead of the previous
2779 method of finding it by insn code number.
2780 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2781 * reorg.c (fill_slots_from_thread): Likewise.
2782 * reload1.c (reload_as_needed): Likewise.
2783 (gen_reload): Likewise.
2784 (inc_for_reload): Likewise.
2785 (reload_cse_simplify_operands): Likewise.
2786 Use the information computed by extract_insn instead of the previous
2787 method of finding it by insn code number.
2788 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2790 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2791 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2792 Use the information computed by extract_insn instead of the previous
2793 method of finding it by insn code number.
2794 * regmove.c (find_matches): Likewise. Change meaning of the return
2795 value to be nonzero if the optimization can be performed, zero if
2796 not. All callers changed.
2797 Shorten some variable names to fix formatting problems.
2798 (regmove_optimize): Shorten some variable names to fix formatting
2800 Use the information computed by extract_insn instead of the previous
2801 method of finding it by insn code number.
2802 * regclass.c (scan_one_insn): Likewise.
2803 (record_reg_classes): Don't compute operand types, use recog_op_type.
2804 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2805 recog_constraints instead.
2807 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2809 * rtl.h (flow2_completed): Declare.
2810 * flow.c (flow2_completed): Definition.
2811 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2814 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2816 * Makefile.in (libcpp.a): Ranlib libcpp.a
2818 * cppulp.c (user_label_prefix): Initialize.
2820 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2822 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2823 at a RETURN if current_function_sp_is_unchanging is set.
2825 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2827 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2829 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2831 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2832 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2833 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2834 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2835 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2836 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2838 (LIB_SPEC): Handle -mno-cyginw option.
2839 (LINK_SPEC): Handle -mdll.
2841 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2843 * reload.c (find_reloads): Fix test for usage by other reload
2844 to handle secondary reloads properly.
2846 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2848 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2849 intermediate structure which has exactly the members provided by
2850 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2851 static intermediate structure.
2853 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2854 from the intermediate structure. Do the same analogous fix in
2855 the case where ELIMINABLE_REGS is not defined.
2857 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2859 * pa.h (SELECT_SECTION): Fix thinko.
2861 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2863 * dwarf2out.c (output_call_frame_info): Comments on last change.
2865 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2867 * arm.c (add_constant): When taking the address of an item in the
2868 pool, get the mode of the item addressed.
2870 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2871 contain a SET or a PARALLEL, don't consider it for conditional
2874 Restore ABI compatibility for NetBSD.
2875 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2877 (RETURN_IN_MEMORY): Likewise.
2879 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2881 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2882 (m32r_output_block_move): Rewrite bytes < 4 handling.
2884 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2886 * configure.in: Call AC_FUNC_VFORK.
2888 * collect2.c: Define VFORK_STRING as a printable string for
2889 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2890 defined, include vfork.h. If VMS is defined, define vfork()
2891 appropriately. Remove vfork check on USG, we're using autoconf.
2892 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2893 checking locally what string to pass.
2894 (scan_prog_file): Likewise.
2895 (scan_libraries): Likewise.
2897 * gcc.c: Remove vfork check on USG, we're using autoconf.
2898 Besides, no calls to vfork/fork occur in this file.
2900 * protoize.c: Likewise.
2902 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2904 * configure.in (DEFAULT_LINKER): renamed from LD
2905 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2906 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2907 * configure: rebuilt
2909 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2911 * BUGS: fix the regexp for `more' to find the appropriate node.
2912 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2914 * BUGS: added link to the WWW FAQ
2916 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2918 * version.c: Bump for snapshot.
2920 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2922 * From Christian Gafton:
2923 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2924 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2925 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2927 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2929 * c-common.c (c_get_alias_set): Allow all type-punning through
2930 unions. Don't get confused about the type of a bit-field, despite
2931 the antics of build_modify_expr.
2933 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2935 * fixinc.sco: Paramaterize #include_next values.
2936 * fixinc/fixinc.sco: Likewise.
2938 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2940 * toplev.c (rest_of_compilation): No longer set reload_completed.
2941 * reload1.c (reload): Set it here. Perform instruction splitting
2942 after reload has completed if we will be running the scheduler
2945 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2947 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2948 EH region if exceptions are enabled and we're performing cross
2950 (find_cross_jump): Exit loop if the insns are in different EH regions.
2952 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2954 * dwarf2out.c (output_call_frame_info): Use
2955 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2957 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2959 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2960 * c-common.c (check_format_info): Don't check for the 'x'
2961 format character twice, instead check for 'x' and 'X'
2963 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2965 * configure.in (assembler features): Also make gas is configured if
2966 we find it in the souce tree.
2968 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2970 * i386.c (i386_comp_type_attributes): Compare whether the
2971 attributes are defined, not their tree nodes.
2973 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2975 * configure.in (gxx_include_dir): bitten by autoconf quoting
2977 * configure: rebuilt
2979 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2981 * configure.in: Ignore non-absolute value in $AS.
2983 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2985 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2987 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2989 * configure.in (msdosdjgpp): Set exeext and target_alias.
2991 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2993 * flow.c (XNMALLOC): New macro.
2994 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2996 (add_edge, add_edge_to_label): New static functions.
2997 (free_bb_memory): New function.
2998 (flow_delete_insn): Delete function.
2999 (basic_block_drops_in): Delete variable.
3000 (find_basic_blocks): Allocate and initialize basic_block_head,
3001 basic_block_succ. Don't allocate basic_block_drops_in.
3002 Call free_bb_memory at the beginning.
3003 (find_basic_blocks_1): Don't do multiple passes.
3004 Delete code to compute basic_block_drops_in.
3005 After calling make_edges, mark blocks reached by current block live.
3006 Update test for unreachable live blocks.
3007 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3009 Simplify to call add_edge_to_label when a LABEL_REF is found.
3010 (make_edges): Simplify to call add_edge_to_label instead of
3011 mark_label_ref most of the time.
3012 Compute here whether control drops into the next block.
3013 (delete_unreachable_blocks): Return void. All callers changed.
3014 Delete unreachable blocks in reverse order.
3015 After deleting all unreachable blocks, renumber the remaining ones
3016 and update n_basic_blocks.
3017 (delete_block): Speed up deletion a bit.
3018 Don't set basic_block_drops_in for deleted blocks.
3019 (free_basic_block_vars): Don't free basic_block_drops_in.
3020 (life_analysis_1): Update to use new edge representation.
3021 (dump_flow_info): Delete code to print basic block info; call
3022 dump_bb_data instead.
3023 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3024 and uid_block_number.
3025 Simply copy the previously computed cfg.
3026 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3027 Print register lifetime information if LIVE_INFO is nonzero.
3028 * basic-block.h (dump_bb_data): Adjust prototype.
3029 * gcse.c (gcse_main): Update call to dump_bb_data.
3030 * rtl.h (free_bb_memory): Declare.
3031 * toplev.c (rest_of_compilation): Call free_bb_memory.
3033 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3034 (update_eliminable_offsets): Don't compute it.
3035 (set_initial_elim_offsets): Don't initialize it.
3036 Break out some code into set_initial_label_offsets so the rest of
3037 this function can be called from reload_as_needed.
3038 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3039 ELIMINABLE_REGS isn't.
3040 (set_initial_label_offsets): New function, broken out of
3041 set_initial_elim_offsets.
3042 (set_offsets_for_label): New function, broken out of set_label_offsets
3043 and reload_as_needed.
3044 (reload): Call the two new functions.
3045 (reload_as_needed): Call set_initial_elim_offsets instead of
3046 duplicating the code. Likewise for set_offsets_for_label.
3048 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3049 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3050 any hard reg, reg_reloaded_dead contains valid data.
3052 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3054 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3055 "stdcall" and "cdecl" attributes.
3057 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3059 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3060 handle deleted no-op moves of hard registers.
3061 * haifa-sched.c (update_flow_info): Likewise.
3063 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3065 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3066 of the sequences to reload the HILO register which do not actually
3069 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3071 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3073 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3075 * except.c (emit_eh_context): Make the EH context register stay alive
3076 at -O0 so stupid.c doesn't get confused.
3078 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3080 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3082 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3083 Jeffrey A Law (law@cygnus.com)
3085 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3086 (zero_extendsidi2): Use # in output template and handle completely by
3088 (zero_extend splitters): New define_splits.
3089 (ashiftrt_32): New pattern.
3091 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3093 * tree.c (append_random_chars): New fn.
3094 (get_file_function_name_long): Use it.
3096 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3098 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3099 (LIBCPP_OBJS): New. Add cppulp.o.
3100 (cppmain, fix-header): Depend on and use libcpp.a.
3101 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3102 of the individual object files.
3103 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3106 * cccp.c (user_label_prefix): New.
3107 (main): Set it off -f*leading-underscore.
3108 (special_symbol): Use it.
3109 * cpplib.c (special_symbol): Likewise.
3110 (cpp_handle_option): Handle -f*leading-underscore.
3111 * cppulp.c: New file.
3113 * output.h (user_label_prefix): Declare it.
3114 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3115 * toplev.c (f_options, main): Handle -f*leading-underscore.
3117 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3118 referencing USER_LABEL_PREFIX directly.
3119 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3120 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3121 * final.c (asm_fprintf): Use user_label_prefix instead.
3122 * arm/thumb.c (thumb_print_operand): Likewise.
3124 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3125 cpp wherever appropriate.
3127 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3129 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3130 specific compiler switches.
3132 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3134 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3137 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3139 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3140 structure which has exactly the members provided by EXTRA_SPECS.
3141 Xmalloc() the real `extra_specs', and initialize it from this
3142 intermediate structure.
3144 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3146 * mips.h (EXTRA_SPECS): Likewise.
3148 * sparc.h (EXTRA_SPECS): Likewise.
3150 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3152 * function.c (purge_addressof_1): Instead of aborting when a
3153 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3154 work just put the ADDRESSOF on stack. Otherwise remember all such
3155 successfull replacements, so that exactly the same replacements
3156 can be made on the REG_NOTEs. Remove the special case for CALL
3158 (purge_addressof_replacements): New variable.
3159 (purge_addressof): Clear it at end.
3161 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3163 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3164 (lang_init): Call check_newline always.
3165 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3166 cpp_start_read, set yy_cur and yy_lim to read from
3167 parse_in.token_buffer, so that we'll see the first #line
3169 * cpplib.c (cpp_start_read): finclude the main input file
3170 before processing -include/-imacros. Process -imacros and
3171 -include separately, and handle -include by stacking a
3172 buffer for the file in question as if it'd been #included.
3173 * toplev.c (documented_lang_options) Recognize -H when
3176 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3178 * cpplib.c: Merge do_once into do_pragma. Break file handling
3179 code out of do_include.
3180 Move append_include_chain, deps_output,
3181 file_cleanup, redundant_include_p, import_hash,
3182 lookup_import, add_import, read_filename_string, read_name_map,
3183 open_include_file, finclude, safe_read to cppfiles.c.
3184 Move prototypes for deps_output, append_include_chain,
3185 finclude to cpplib.h. Move definition of struct
3186 file_name_list there also.
3188 * cppfiles.c: New file. Contains all the above functions
3189 broken out of cpplib.c; also hack_vms_include_specification
3190 from cccp.c and find_include_file, a new function broken out of
3193 * Makefile.in (cppmain): Depend on cppfiles.o.
3194 (fix-header): Likewise.
3195 (cppfiles.o): New target.
3196 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3197 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3199 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3201 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3202 if pending_types is non-zero.
3203 (dwarfout_finish): Verify pending_types is zero before finishing.
3205 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3207 * expr.c (convert_move): Use shifts to perform the move if a
3208 suitable extend pattern cannot be found. Code written by
3209 Richard Henderson <rth@cygnus.com>.
3211 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3213 * regclass.c (renumber, regno_allocated): New static variables, moved
3214 out of allocate_reg_info.
3215 (allocate_reg_info): Move these two variables outside the function.
3216 Move code to free memory into new function free_reg_info.
3217 (free_reg_info): New function, broken out of allocate_reg_info.
3218 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3219 * rtl.h (allocate_reg_info): Don't declare.
3220 (free_reg_info): Declare.
3222 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3224 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3226 * toplev.c (compile_file): Temporarily revert last change.
3228 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3230 * c-typeck.c (convert_for_assignment): Parenthesize.
3232 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3234 * reload1.c (delete_output_reload): Avoid ambigous else.
3236 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3238 * toplev.c (compile_file): Call allocate_reg_info to free register
3240 * rtl.h (allocate_reg_info): Declare.
3242 * PROJECTS: Remove entry for local spilling.
3244 * final.c (cleanup_subreg_operands): New function.
3245 (final_scan_insn): Use it.
3246 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3248 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3249 operands when reload has finished.
3250 * reload.h (cleanup_subreg_operands): Declare..
3251 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3252 reload. Handled in reload itself.
3254 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3256 * reload1.c (verify_initial_offsets): New function.
3257 (reload): Call it after reload_as_needed. Also verify that the frame
3258 size stays constant during reload_as_needed.
3259 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3261 * reload.h (struct insn_chain): Add need_operand_change element.
3262 * reload1.c (new_insn_chain): Clear it.
3263 (calculate_needs_all_insns): Set it; don't overload need_reload.
3264 (reload_as_needed): Use it.
3266 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3267 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3268 and reload_address_index_reg_class.
3269 (find_reloads_address_1): Likewise.
3270 * reload.h (reload_address_base_reg_class,
3271 reload_address_index_reg_class): Don't declare.
3272 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3273 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3274 (used_spill_regs): Now static.
3275 (reload_address_base_reg_class, reload_address_index_reg_class,
3276 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3277 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3278 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3281 (init_reload): Delete code to compute base/index reg classes.
3282 (reload): Delete variable J.
3283 Delete code to manage basic_block_needs.
3284 Don't compute regs_explicitly_used.
3285 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3286 pseudo_previous_regs.
3287 Initialize bad_spill_regs_global.
3288 Don't call order_regs_for_reload here.
3289 Don't initialize spill_reg_order and n_spills.
3290 Don't forbid explicitly used regs to be used for spill regs.
3291 Change main loop to infinite loop, with explicit break statements.
3292 Make SOMETHING_CHANGED variable local to that loop.
3293 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3294 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3295 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3297 Don't call dump_needs.
3298 Delete code to reset potential_reload_regs.
3299 Delete code to terminate loop conditional on the global needs variables
3300 showing no further needs.
3301 (calculate_needs_all_insns): Return void. All callers changed.
3302 Initialize somehing_needs_elimination here, not in reload.
3303 Delete avoid_return_reg kludge.
3304 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3305 All callers changed.
3306 Initialize the group_mode and group_size elements of the arg CHAIN.
3307 Delete code to manage basic_block_needs.
3308 Operate on elements of CHAIN instead of global variables.
3309 Delete avoid_return_reg kludge.
3310 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3311 All callers changed.
3312 Operate on elements of CHAIN instead of global variables.
3313 Delete special SMALL_REGISTER_CLASSES code.
3314 Delete spill_failure code; now in new_spill_reg.
3315 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3316 All callers changed.
3317 Operate on elements of CHAIN instead of global variables.
3318 (maybe_mark_pseudo_spilled): New static function.
3319 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3320 All callers changed.
3321 Operate on elements of CHAIN instead of global variables.
3322 Call order_regs_for_reload here, not in reload.
3323 Initialize spill_reg_order and n_spills.
3324 Simplify test whether an asm insn is involved.
3325 Delete spill_failure code; now in new_spill_reg.
3326 Call maybe_mark_pseudo_spilled for everything marked as live in
3327 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3329 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3330 compiler from optimizing this function (now unused) away.
3331 Operate on elements of CHAIN instead of global variables.
3332 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3334 Operate on elements of CHAIN instead of global variables.
3335 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3336 take CHAIN arg. All callers changed.
3337 Operate on elements of CHAIN instead of global variables.
3338 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3339 CHAIN, NONGROUP args. Return void. All callers changed.
3340 Verify caller isn't trying to spill a pseudo.
3341 Simplify test for illegal reg, just use bad_spill_regs.
3342 Generate better error messages.
3343 Operate on elements of CHAIN instead of global variables.
3344 Mark spilled register in CHAIN's used_spill_regs element.
3345 Don't call spill_hard_reg.
3346 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3347 Mark spilled hard regs in bad_spill_regs_global.
3348 Mark affected pseudos in spilled_pseudos, but don't spill them.
3349 (ior_hard_reg_set): New static function.
3350 (finish_spills): Return int. All callers changed.
3351 Compute spill_reg_order, n_spills and spill_regs here. Also update
3352 regs_ever_live for regs used as spills.
3353 For every pseudo in spilled_pseudos, spill it and mark the previous
3354 hard reg it had in pseudo_previous_regs. Compute which hard regs
3355 arseudo): New static function.
3356 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3357 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3358 hard registers explicitly used across the current insn into the set.
3359 Compute hard_reg_n_uses taking only pseudos live across this insn
3361 Tweak sorting of potential_reload_regs.
3362 (compare_spill_regs): Delete function.
3363 (reload_as_needed): Don't sort the spill_regs array, it's computed
3364 in proper order in finish_spills.
3365 Delete avoid_return_reg kludge.
3366 Delete code to manage basic_block_needs.
3367 (allocate_reload_reg): Minor speed/readability tweaks.
3368 Operate on elements of CHAIN instead of global variables.
3369 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3370 Delete avoid_return_reg kludge.
3371 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3372 Delete unused label FAIL.
3373 (reload_combine): Replce reload_address_index_reg_class with
3375 Don't use used_spill_regs to determine information about lifetime of
3378 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3380 * toplev.c (display_help): Ignore empty target specific
3381 options, and if -W is also specified on the command line then
3382 display undocumented options.
3384 * config/arm/arm.c: Updated with changes in devo sources.
3385 * config/arm/arm.h: Updated with changes in devo sources.
3386 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3387 * config/arm/lib1thumb.asm: Add ELF support.
3389 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3391 * collect2.c (aix64_flag): New variable.
3392 (main, case 'b'): Parse it.
3393 (GCC_CHECK_HDR): object magic number must match mode.
3394 (scan_prog_file): Only check for shared object if valid header.
3395 Print debugging if header/mode mismatch.
3397 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3399 Added support for arm-elf-linux configuration, submitted by Philip
3400 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3401 code developed by Catherine Moore <clm@cygnus.com>. The following
3404 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3407 * configure: Regenerated.
3409 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3410 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3411 definitions conditional on their not having been already defined.
3413 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3414 and .type directives, and add "(PLT)" qualification to function
3417 * config/arm/linux.h: Deleted. This file is now superceeded by
3418 either linux-elf.h or linux-aout.h.
3420 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3421 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3423 Move definitions from old linux.h file here.
3425 * config/arm/elf.h: New file. Generic ARM/ELF support.
3427 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3429 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3431 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3432 using the 26bit APCS.
3434 * config/arm/unknown-elf.h: New file. Support for OS'es other
3435 than Linux with ELF.
3437 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3440 * config/arm/coff.h: Include aout.h for basic assembler macros.
3441 Add support for -mstructure_size_boundary=<n> command line option.
3443 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3444 command line option. Make macro definitions conditional on their
3445 not having been already defined.
3447 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3448 command line option.
3451 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3453 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3454 has been changed to not include a newline. Use this macro instead.
3455 (output_enumeral_list, const_value_attribute, name_attribute,
3456 comp_dir_attribute, prototyped_attribute, producer_attribute,
3457 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3458 dwarfout_file_scope_decl, generate_new_sfname_entry,
3459 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3460 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3462 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3464 * combine.c (subst): Process the inputs to a parallel asm_operands
3467 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3469 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3471 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3473 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3475 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3477 * version.c: Bump for snapshot.
3479 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3481 * stmt.c (expand_fixup): Set fixup->before_jump to a
3482 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3484 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3486 * Makefile.in (recog.o): Depend on toplev.h.
3487 (insn-emit.o): Depend on recog.h.
3488 (insn-peep.o): Depend on recog.h and insn-config.h.
3490 * combine.c (simplify_set): Remove unused variable `scratches'.
3492 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3493 and `idx' in macro conditional controlling their use.
3495 * genemit.c (main): Make the generated output file include
3496 recog.h. Don't have it declare `insn_operand_constraint', since
3497 we get it from recog.h.
3499 * genpeep.c (main): Make the generated output file include
3500 insn-config.h and recog.h.
3502 * recog.c: Include toplev.h.
3503 (extract_insn): Remove unused variable `p'.
3505 * regclass.c (fix_register): Add missing braces around initializer
3507 (allocate_reg_info): Move variable `i' into the scope where it is
3508 used. Change its type to `size_t'.
3510 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3512 * reload.c (push_reload): When merging reloads, make sure
3513 that reload_in_reg and reload_in are from the same reload in
3516 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3518 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3519 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3521 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3523 * loop.c (loop_has_tablejump): New variable.
3524 (prescan_loop): Scan for it.
3525 (insert_bct): Replace explicit scan with use of it.
3526 * regclass.c (regclass): Restore loop variable j.
3527 (record_reg_classes): Deterine op_types modifiers and initialize
3528 classes[i] before matching constraints. Handle matching
3531 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3533 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3536 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3538 * mips.h (EXTRA_SPECS): Add missing initializers.
3540 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3542 * sparc.h (EXTRA_SPECS): Add missing initializers.
3543 (sparc_defer_case_vector): Provide a prototype.
3545 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3546 comparing it to the result of a pointer subtraction.
3548 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3550 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3551 the argument to (unsigned char).
3553 * alpha.h (EXTRA_SPECS): Add missing initializers.
3554 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3557 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3559 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3560 (propagate_block): Delete dead code after reload.
3562 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3563 back Oct 15, 1998 change.
3564 * haifa-sched.c (update_flow_info): Likewise.
3565 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3567 * mn10200.md (truncated shift): Accept constant inputs too.
3569 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3571 * machmode.h (mode_mask_array): No longer const.
3572 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3574 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3576 * frame.c: Somewhat explain `FDE'.
3577 Suggested by Brendan Kehoe
3579 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3581 * expr.c (pending_chain): Move up.
3582 (save_expr_status): Do save pending_chain.
3583 (restore_expr_status): And restore it.
3584 * function.h (struct function): Add pending_chain.
3586 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3588 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3589 did not match the code.
3591 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3593 * regclass.c (regclass): Break out some code into new function
3594 scan_one_insn, and into regclass_init.
3595 (init_cost): New static variable, moved out of regclass.
3596 (regclass_init): Initialize it here, not in .
3597 (scan_one_insn): New static function, broken out of regclass.
3598 * recog.c (apply_change_group): Break out some code into new
3599 function insn_invalid_p.
3600 (insn_invalid_p): New static fn, broken out of apply_change_group.
3602 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3604 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3605 reg_reloaded_contents matches incremented pseudo.
3607 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3609 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3611 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3612 addressing modes with side effects. These are currently
3613 placeholders for the C4x target.
3615 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3617 * loop.c (express_from): Make sure that when generating a PLUS of
3618 a PLUS, any constant expression appears on the outermost PLUS.
3620 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3622 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3623 works if "$(srcdir)" != ".".
3625 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3627 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3628 existing SUBREG if we can, otherwise abort.
3630 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3632 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3633 `restrict' is applied to a non-pointer variable.
3635 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3637 * invoke.texi: Document -flang-isoc9x.
3639 * Makefile.in (OBJS): Add splay-tree.o.
3640 (c-common.o): Depend on rtl.h.
3641 (splay-tree.o): List dependencies and provide build rule.
3643 * rtl.h (record_alias_subset): New function.
3644 * alias.c: Include splay-tree.h.
3645 (alias_set_entry): New type.
3646 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3647 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3648 (mems_in_disjoin_alias_sets_p): New function.
3649 (alias_set_compare): Likewise.
3650 (insert_subset_children): Likewise.
3651 (get_alias_set_entry): Likewise.
3653 * tree.h (TYPE_RESTRICT): New macro.
3654 (TYPE_UNQUALIFIED): New manifest constant.
3655 (TYPE_QUAL_CONST): Likewise
3656 (TYPE_QUAL_VOLATILE): Likewise.
3657 (TYPE_QUAL_RESTRICT): Likewise.
3658 (tree_type): Add restrict_flag. Reduce count of free bits.
3659 (DECL_POINTER_ALIAS_SET): New macro.
3660 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3661 (tree_decl): Add pointer_alias_set.
3662 (build_qualified_type): New function.
3663 (build_type_variant): Define in terms of build_qualified_type.
3664 * tree.c (set_type_quals): New function.
3665 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3666 (build_type_attribute_variant): Use build_qualified_type and
3668 (build_type_variant): Rename, and modify, to become...
3669 (build_qualified_type): New function.
3670 (build_complex_type): Use set_type_quals.
3672 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3673 (C_TYPE_FUNCTION_P): Likewise.
3674 (C_TYPE_INCOMPLETE_P): Likewise.
3675 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3676 (c_apply_type_quals_to_decl): New function.
3677 (c_build_qualified_type): New function.
3678 (c_build_type_variant): Define in terms of c_build_qualified_type.
3679 (flag_isoc9x): Declare.
3680 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3681 (common_type): Change to use TYPE_QUALS.
3682 (comptypes): Likewise.
3683 (convert_for_assignment): Likewise.
3684 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3685 * c-decl.c (flag_isoc9x): Define.
3686 (c_decode_option): Handle -flang-isoc9x.
3687 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3688 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3689 * c-lex.c (init_lex): Deal with restrict.
3690 (init_lex): Don't treat restrict as a reserved word in
3691 -traditional mode, or without -flang-isoc9x.
3692 * c-lex.h (rid): Add RID_RESTRICT.
3693 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3694 equivalent to RID_RESTRICT.
3695 * c-parse.in (TYPE_QUAL): Update comment.
3696 * c-common.c: Include rtl.h.
3697 (c_find_base_decl): New function.
3698 (c_build_type_variant): Rename, and modify, to become ...
3699 (c_build_qualified_type): New function.
3700 (c_apply_type_quals_to_decl): Likewise.
3701 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3702 a particular alias set for the reference.
3703 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3705 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3707 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3708 command line switches.
3710 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3712 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3715 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3717 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3719 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3721 * regclass.c (fix_register): Add error message.
3722 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3725 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3727 * c-decl.c (warn_missing_noreturn): New global variable.
3728 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3729 (finish_function): Implement missing noreturn warning.
3731 * c-tree.h (warn_missing_noreturn): Declare extern.
3733 * invoke.texi: Document new flags.
3735 * toplev.c (documented_lang_options): Add description.
3737 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3739 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3740 loop optimization stable for the C4x.
3741 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3742 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3743 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3745 (c4x_address_conflict): Be more paranoid when packing a volatile
3746 memref in a parallel load/store.
3748 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3750 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3751 repeat_block_filler): Deleted.
3752 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3753 Condition code not set if destination register from 'c' class.
3754 (*subbqi3_carry_clobber): Fix typo.
3756 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3758 * reorg.c (steal_delay_list_from_target) Check for insns that
3759 modify the condition codes and effect the direction of the jump
3762 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3764 * function.c (purge_addressof_1): Replace call to
3765 emit_insns_before() with emit_insn_before().
3767 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3769 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3771 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3773 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3775 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3777 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3778 clobbered across calls.
3780 * loop.c (scan_loop): Be more selective about what invariants are
3781 moved out of a loop.
3783 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3785 * version.c: Bump for snapshot.
3787 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3789 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3790 static eh_context structure.
3792 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3794 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3796 (try_combine): Don't update max_scratch.
3797 * flow.c (max_scratch, num_scratch): Delete variables.
3798 (life_analysis_1): Don't initialize max_scratch.
3799 (propagate_block): Don't update max_scratch.
3800 (mark_set_1): Don't increment num_scratch.
3801 * regs.h (max_scratch): Delete declaration.
3803 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3805 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3806 is nonzero. This is temporary!
3808 * sched.c (update_flow_info): Handle death notes made invalid by
3809 instruction splitting. Partially reverts Oct 15, 1998 patch.
3810 * haifa-sched.c (update_flow_info): Likewise.
3812 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3814 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3815 if it has a nonzero DECL_INITIAL.
3817 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3819 * Makefile.in (flow.o): Depend on recog.h.
3821 * cpplib.h (directive_table): Add missing initializiers.
3822 (finclude): Change type of variable `bsize' to size_t.
3824 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3826 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3828 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3829 `int' when comparing against one.
3830 (cpp_file_line_for_message): Mark parameter `pfile' with
3832 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3834 * flow.c: Include recog.h.
3835 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3837 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3838 `f' with ATTRIBUTE_UNUSED.
3839 (reposition_prologue_and_epilogue_notes): Likewise.
3841 * genopinit.c (gen_insn): Cast argument of ctype functions to
3844 * haifa-sched.c: Include recog.h.
3845 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3846 comparing against one.
3848 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3850 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3852 (parse_ent): Likewise.
3853 (parse_input): Likewise.
3855 * optabs.c (init_libfuncs): Likewise.
3857 * protoize.c (find_rightmost_formals_list): Likewise.
3859 * recog.h (const_double_operand): Fix typo in prototype.
3861 * tlink.c (scan_linker_output): Cast the argument of ctype
3862 function to `unsigned char'.
3864 * toplev.c (check_lang_option): Cast the result of `strlen' to
3865 `int' when comparing against one.
3867 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3869 * gcse.c (dump_cuid_table): Correct typo.
3871 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3873 * toplev.c (display_help): Prepend '-m' to target specific
3875 (check_lang_option): Ignore text after end of first word of a
3876 language specific option.
3878 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3880 * reload1.c (reg_used_by_pseudo): New static variable.
3881 (choose_reload_regs): Initialize it.
3882 Use it instead of testing spill_reg_order to determine whether a
3883 pseudo is live in a hard register across the current insn.
3884 Fix a typo in a reference to reload_reg_rtx.
3886 * flow.c (propagate_block): Replace code that computes and uses
3887 regs_sometimes_live with simpler code that just walks the set of
3888 currently live registers.
3890 * Makefile.in (insn-extract.o): Fix dependencies.
3891 * genextract.c (main): Generate includes for insn-config.h and
3893 Delete generation of declarations which are now in recog.h.
3894 * genrecog.c (main): Delete generation of definitions which are
3896 * local-alloc.c (block_alloc): Use extract_insn and the variables
3897 it sets up instead of looking up values by insn_code.
3898 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3899 recog_dup_num): Define here instead of generating the definition in
3901 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3902 recog_operand_mode, recog_constraints, recog_operand_address_p):
3904 (extract_insn): New function.
3905 * recog.h (extract_insn): Declare function.
3906 (which_alternative, recog_n_operands, recog_n_dups,
3907 recog_n_alternatives, recog_operand_mode, recog_constraints,
3908 recog_operand_address_p): Declare variables.
3909 * regclass.c (n_occurrences): New static function.
3910 * reload.c (n_occurrences): Delete function.
3911 (find_reloads): Use extract_insn.
3912 * reload.h (n_occurrences): Delete declaration.
3914 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3916 * reload1.c (reload_as_needed): Fix test for when to call
3917 update_eliminable_offsets.
3919 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3921 Fix consistency problems with reg_equiv_{mem,address};
3922 Improve reload inheritance;
3924 * reload.c (reload_out_reg): New variable.
3925 (loc_mentioned_in_p, remove_address_replacements): New functions.
3926 (remove_replacements): Deleted.
3927 (push_reload): Set reload_out_reg[i].
3928 When merging, also set reload_{in,out}_reg[i], and remove
3929 duplicate address reloads.
3930 (combine_reloads): Copy reload_out_reg[i].
3931 (find_reloads): Do make_memloc substitution also when
3932 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3934 Include *recog_operand_loc in commutativity operand changes.
3935 Generate optional output reloads.
3936 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3937 processing operands. Call make_memloc in reg_equiv_address code.
3938 Set *recog_operand_loc only after processing operands, and only
3939 if replace is true. Return a value.
3940 When changing address reload types for operands that didn't get
3941 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3942 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3943 Don't emit USEs for pseudo SUBREGs when not replacing.
3944 (find_reloads_address): Do make_memloc substitution also when
3945 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3947 (find_reloads_toplev): Likewise.
3948 Call make_memloc in reg_equiv_address code.
3949 (debug_reload_to_stream): Add code to output reload_out_reg.
3950 (make_memloc): Delete local variable i, ifdefed out code, and
3951 references to memlocs and n_memlocs.
3952 (memlocs, n_memlocs): Delete.
3953 (push_secondary_reload): Clear reload_out_reg.
3954 (find_reloads_address_1): Provide memrefloc argument to all calls
3955 to find_reloads_address.
3956 In AUTO_INC code, handle non-directly addressable equivalences properly.
3957 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3958 (find_reloads): Add return type.
3959 (remove_address_replacements, deallocate_reload_reg): Declare.
3960 * reload1.c (num_not_at_initial_offset): No longer static.
3961 (delete_address_reloads, delete_address_reloads_1): Likewise.
3962 (deallocate_reload_reg): New function.
3963 (spill_reg_stored_to): New array.
3964 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3965 (eliminate_regs_in_insn): Move assignments of previous_offset and
3966 max_offset fields, and recalculation of num_not_at_initial_offset
3967 into new static function:
3968 (update_eliminable_offsets) .
3969 (reload_as_needed): Call update_eliminable_offsetss after calling
3971 Call forget_old_reloads_1 with contents of reloaded auto_inc
3972 expressions if the actual addressing can't be changed to match the
3974 (choose_reload_regs): For inheritance, replace
3975 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3976 remove stand-alone reload_reg_used_at_all test.
3977 Use reload_out_reg to determine which reload regs have output reloads.
3978 Treat reload_override_in more similar to inherited reloads.
3979 Handle (subreg (reg... for inheritance.
3980 For flag_expensive_optimizations, add an extra pass to remove
3981 unnecessary reloads from known working inheritance.
3982 Delete obsolete code for pseudos replaced with MEMs.
3983 Handle inheritance from auto_inc expressions.
3984 (emit_reload_insns): If reload_in is a MEM, set OLD to
3986 Don't reload directly from oldequiv; if it's a pseudo with a
3987 stack slot, use reload_in[j].
3988 Check that reload_in_reg[j] is a MEM before replacing reload_in
3989 from reg_reloaded_contents.
3990 Include non-spill registers in reload inheritance processing.
3991 Also try to use reload_out_reg to set spill_reg_store /
3992 reg_last_reload_reg.
3993 In code to set new_spill_reg_store, use single_set to find out if
3994 there is a single set.
3995 Add code that allows to delete optional output reloads.
3996 Add code to allow deletion of output reloads that use no spill reg.
3997 At the end, set reload_override_in to oldequiv.
3998 Also call delete_output_reload if reload_out_reg is equal to old
4000 Add code to call delete_output_reload for stores with no matching load.
4001 Set / use spill_reg_stored_to.
4002 Handle case where secondary output reload uses a temporary, but
4003 actual store isn't found.
4004 When looking for a store of a value not loaded in order to call
4005 delete_output_reload, count_occurences should return 0 for no
4006 loads; but discount inherited input reloadill_reg_stored_to.
4007 Do checks for extra uses of REG. Changed all
4009 Use delete_address_reloads.
4010 (reload): Take return value of find_reloads into account.
4011 If a no-op set needs more than one reload, delete it.
4012 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4013 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4014 for the same operand.
4015 (clear_reload_reg_in_use): Check for other reloads that keep a
4017 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4018 RELOAD_FOR_OPADDR_ADDR.
4019 Take into account when an address address reload is only needed
4020 for the address reload we are considering.
4021 (count_occurrences): Use rtx_equal_p for MEMs.
4022 (inc_for_reload): Return instruction that stores into RELOADREG.
4023 New argument two, IN, and rtx. Changed all callers.
4024 (calculate_needs_all_insns, reload_as_needed):
4025 Don't clear after_call for a CLOBBER.
4026 Keep track of how many hard registers need to be copied from
4027 after_call, and don't clear after_call before we have seen
4028 that much copies, or we see a different instruction.
4030 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4032 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4033 after reload has completed.
4035 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4037 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4038 a macro name and the next token with a single blank if that whitespace
4039 is in a macro buffer and the next token is not '('.
4041 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4043 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4045 (skip_if_group): Ditto.
4046 (skip_to_end_of_comment): Ditto.
4048 (discard_comments): Ditto.
4049 (change_newlines): Ditto.
4051 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4053 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4055 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4057 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4058 (TARGET_OPTIONS): Add --help documentation.
4060 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4062 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4064 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4066 * fixinc/* Moved in from ../contrib directory in preparation
4067 for integrating it into the normal build process. In particular,
4068 fixinc/Makefile.in must be config-ed into the build directory
4069 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4070 ./configure.in will be "in the mail" momentarily.
4072 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4074 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4075 accidently walk into the free list. Comment how that can happen.
4076 (invalidate): Fix indentation.
4078 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4079 Jeffrey A Law (law@cygnus.com)
4081 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4082 reload. Never perform rescans of the insn chain after reload.
4083 (propagate_block): Do not delete insn or create new autoinc addressing
4086 * jump.c (jump_optimize): Unconditionally use the code that was
4087 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4088 * reload1.c (reload): When reloading is finished, delete all
4089 REG_DEAD and REG_UNUSED notes.
4090 (emit_reload_insns): Delete all code that was conditional on
4091 PRESERVE_DEATH_INFO_REGNO_P.
4092 (no_longer_dead_regs): Delete variable.
4093 (reload_cse_delete_death_notes): Delete function.
4094 (reload_cse_no_longer_dead): Delete function.
4095 (reload_cse_regs_1): Delete all code to handle deletion of death
4097 (reload_cse_noop_set_p): Likewise.
4098 (reload_cse_simplify_set): Likewise.
4099 (reload_cse_simplify_operands): Likewise.
4100 (reload_cse_move2add): Likewise.
4101 * reorg.c (used_spill_regs): Delete declaration.
4102 (max_label_num_after_reload): Delete declaration.
4103 (find_dead_or_set_registers): Don't assume that spill regs are
4104 dead at a CODE_LABEL.
4105 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4107 * sched.c (sched_analyze_insn): Likewise.
4108 (update_flow_info): Likewise.
4109 * haifa-sched.c (sched_analyze_insn): Likewise.
4110 (update_flow_info): Likewise.
4111 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4112 * toplev.c (max_label_num_after_reload): Delete variable.
4113 (rest_of_compilation): Don't set max_label_num_after_reload.
4114 Call life_analysis after reload_cse_regs if optimizing.
4115 * config/gmicro/gmicro.h: Delete comment referring to
4116 PRESERVE_DEATH_INFO_REGNO_P.
4117 * config/i386/i386.h: Likewise.
4118 * config/m88k/m88k.h: Likewise.
4119 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4120 * config/sh/sh.h: Likewise.
4122 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4124 * loop.c (strength_reduce): Restore marking bct_p as
4126 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4127 HAVE_decrement_and_branch_on_count.
4128 (small_data_operand): Remove TARGET_ELF condition for marking
4129 parameters ATTRIBUTE_UNUSED.
4131 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4133 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4134 (SELECT_SECTION): Resync with svr4.h.
4136 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4138 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4141 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4143 * c-pragma.c (handle_pragma_token): Test for null tree before
4144 dereferencing TREE_CODE.
4146 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4148 * config/c4x/c4x.c: Convert to use GEN_INT.
4149 (c4x_parallel_process): Rework to handle new repeat loop structure.
4151 * config/c4x/c4x.md: Convert to use GEN_INT.
4152 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4153 (decrement_and_branch_on_count): Likewise.
4155 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4156 loop.c has the desired functionality.
4157 (rc_reg_operand): New prototype.
4159 * config/c4x/t-c4x: Can now build all front ends.
4161 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4163 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4165 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4167 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4168 * config/t-rtems: Do not install assert.h -- use newlib's.
4170 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4172 * combine.c (combine_instructions): When finished, call init_recog.
4173 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4175 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4177 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4179 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4181 * cppalloc.c (memory_full): Mark function prototype with
4184 * demangle.h (collect_exit): Likewise.
4186 * fix-header.c (v_fatal, fatal): Likewise.
4188 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4191 * gcov.c (print_usage): Likewise.
4193 * genattr.c (fatal, fancy_abort): Likewise.
4195 * genattrtab.c (fatal, fancy_abort): Likewise.
4197 * gencodes.c (fatal, fancy_abort): Likewise.
4199 * genconfig.c (fatal, fancy_abort): Likewise.
4201 * genemit.c (fatal, fancy_abort): Likewise.
4203 * genextract.c (fatal, fancy_abort): Likewise.
4205 * genflags.c (fatal, fancy_abort): Likewise.
4207 * genopinit.c (fatal, fancy_abort): Likewise.
4209 * genoutput.c (fatal, fancy_abort): Likewise.
4211 * genpeep.c (fatal, fancy_abort): Likewise.
4213 * genrecog.c (fatal, fancy_abort): Likewise.
4215 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4216 __sjpopnthrow, __throw): Likewise.
4218 * objc/objc-act.c (objc_fatal): Likewise.
4220 * protoize.c (usage, aux_info_corrupted,
4221 declare_source_confusing): Likewise.
4223 * rtl.c (dump_and_abort): Likewise.
4225 * rtl.h (sets_cc0_p): Likewise.
4227 * toplev.c (float_signal, pipe_closed): Likewise.
4229 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4231 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4232 when generating the decision tree for the general case.
4234 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4235 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4237 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4239 * Makefile.in (sched.o): Depend on recog.h.
4241 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4242 (unsigned) when comparing against one.
4243 (find_base_value): Likewise.
4244 (record_base_value): Cast variable `regno' to (unsigned) when
4245 comparing against one. Cast the result of REGNO() macro to
4246 (unsigned) when comparing against one.
4247 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4249 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4250 variable where an unsigned index is needed.
4252 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4253 before comparing against one.
4255 * collect2.c: Add prototypes for functions `error', `fatal' and
4256 `fatal_perror'. Make these functions take variable arguments
4257 instead of faking it with a fixed number of args.
4258 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4261 * combine.c (can_combine_p): Mark parameter `pred' with
4263 (find_split_point): Cast variable `src' to (unsigned
4264 HOST_WIDE_INT) when comparing against one.
4265 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4266 (simplify_logical): Likewise.
4267 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4268 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4269 HOST_WIDE_INT) in shift.
4270 (simplify_and_const_int): Cast result of INTVAL() macro to
4271 `unsigned HOST_WIDE_INT' when comparing against one.
4272 (merge_outer_ops): Cast variable const0 to `unsigned
4273 HOST_WIDE_INT' when comparing against the result of
4274 GET_MODE_MASK() macro.
4275 (simplify_comparison): Likewise for variable `c0'. Cast variable
4276 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4277 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4278 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4279 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4280 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4281 comparing against one.
4282 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4284 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4285 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4286 (output_block_move): Cast `sizeof' expression to (int) when
4287 comparing against one.
4288 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4290 (save_restore_insns): Cast `base_offset' to `long' to match format
4291 specifier in fprintf.
4293 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4294 to `enum machine_mode'.
4296 * flow.c (life_analysis_1): Remove unused variable `insn'.
4298 * gcc.c (translate_options): Move variables `j' and `k' into the
4299 scope in which they are used. Change their types to `size_t'.
4300 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4301 (read_specs): Likewise.
4302 (process_command): Cast `sizeof' to (int) when comparing against one.
4303 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4304 (handle_braces): Cast both sides of `==' expression to `long' to
4305 ensure sign matching.
4306 (main): Cast variable `i' to `int' when comparing against one.
4308 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4309 int to size_t. Cast variable `i' to size_t when comparing against
4312 * genattrtab.c (convert_set_attr_alternative): Remove unused
4313 parameter `insn_code'. All callers changed.
4314 (convert_set_attr): Likewise.
4316 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4317 size_t when comparing against one. Likewise for variable `len'.
4319 * global.c (global_alloc): Cast variable `max_regno' to size_t
4320 when comparing against one. Likewise for variable `max_allocno'.
4322 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4324 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4325 `set' with ATTRIBUTE_UNUSED.
4326 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4329 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4330 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4331 (get_condition): Cast variable `const_val' to `unsigned
4332 HOST_WIDE_INT' when comparing against one. Cast unsigned
4333 expression to HOST_WIDE_INT when comparing against one.
4334 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4335 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4336 `unsigned' when comparing against one.
4338 * protoize.c (is_id_char): Change type of parameter `ch' to
4340 (munge_compile_params): Cast argument of ctype macro to (const
4342 (process_aux_info_file): Cast variable `aux_info_size' to int when
4343 comparing against one.
4344 (forward_to_next_token_char): Cast argument of ctype macro to
4345 `const unsigned char'.
4346 (edit_formals_lists): Likewise.
4347 (find_rightmost_formals_list): Likewise.
4348 (add_local_decl): Likewise.
4349 (add_global_decls): Likewise.
4350 (edit_fn_definition): Likewise.
4351 (do_cleaning): Likewise.
4352 (scan_for_missed_items): Likewise.
4353 (edit_file): Cast variable `orig_size' to (int) when comparing
4355 (main): Cast argument of ctype macro to `const unsigned char'.
4357 * recog.c (const_int_operand): Mark parameter `mode' with
4360 * regclass.c (record_reg_classes): Change type of variable `c' to
4361 `unsigned char'. Cast `char' array index to `unsigned char'.
4363 * reload.c (push_secondary_reload): Cast argument to
4364 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4366 * reload1.c (calculate_needs): Cast `char' array index to
4368 (set_label_offsets): Change type of variable `i' to unsigned int.
4369 Cast result of XVECLEN() macro to unsigned when comparing against
4371 (mark_not_eliminable): Change type of variable `i' to unsigned.
4372 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4373 when comparing against one.
4374 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4375 comparing against one.
4376 (choose_reload_regs): Hide unused label `fail'.
4377 (reload_cse_simplify_operands): Cast `char' array index to
4379 (reload_combine_note_store): Mark parameter `set' with
4380 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4382 (reload_cse_move2add): Remove unused variable `src2'.
4384 * sched.c: Include recog.h.
4385 (sched_note_set): Remove unused parameter `b'. All callers
4387 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4388 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4389 when comparing against one.
4391 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4392 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4393 comparing against one.
4395 * unroll.c (precondition_loop_p): Remove unused parameter
4396 `loop_end'. All callers changed.
4398 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4400 * reload1.c (maybe_fix_stack_asms): New static function.
4403 * reload.h (compute_use_by_pseudos): Declare.
4405 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4406 (something_needs_reloads): Delete variable.
4407 (finish_spills): New function.
4408 (compute_use_by_pseudos): New function.
4410 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4411 Use the reload_insn_chain instead of walking the rtl directly.
4413 (reload): Allocate and free spilled_pseudos.
4414 Ensure that all calls of spill_hard_reg are followed by a call to
4416 Use the insns_need_reload list instead of something_needs_reloads
4417 to find out if reload_as_needed must be called.
4418 Clear unused_insn_chains at the end.
4420 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4422 Delete code to keep track of current basic block.
4423 Walk reload_insn_chain instead of the rtl structure. Build the
4424 insns_need_reload chain.
4425 Remember which insns need reloading/elimination by setting the
4426 appropriate fields in struct insn_chain, not by putting modes on the
4429 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4430 arg INSN. All callers changed.
4431 Delete declaration of struct needs.
4432 Don't set something_needs_reloads.
4433 Record insn needs in the CHAIN argument.
4435 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4437 (reload_as_needed): Lose FIRST arg. All callers changed.
4438 Walk the reload_insn_chain instead of the rtx structure.
4439 Delete code to keep track of current basic block.
4440 Rename one of the NEXT variables to OLD_NEXT.
4442 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4444 (choose_reload_regs): Likewise.
4446 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4449 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4450 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4451 (hard_regs_live, hard_regs_need_restore): Delete variables.
4452 (n_regs_saved): Now static.
4453 (referenced_regs, this_insn_sets): New variables.
4455 (setup_save_areas): Restructure the code a bit.
4457 (restore_referenced_regs): Delete function.
4458 (mark_referenced_regs): New function, similar to the old
4459 restore_referenced_regs, but mark registers in referenced_regs.
4461 (clear_reg_live): Delete function.
4462 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4463 Only mark registers in this_insn_sets.
4465 (save_call_clobbered_regs): Rework this function to walk the
4466 reload_insn_chain instead of using the list of instructions directly.
4467 Delete code to keep track of register lives, compute live regs on the
4468 fly from information in the chain.
4469 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4470 then walk the set it computes and call insert_restore as appropriate.
4472 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4474 Restructure the code a bit. Test hard_regs_saved instead of
4475 hard_regs_need_restore.
4476 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4477 args. All callers changed.
4478 Restructure the code a bit. Use TO_SAVE to determine which regs to
4479 save instead of more complicated test.
4480 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4482 Create a new insn_chain structure for the new insn and place it
4485 * rtl.texi: Update documentation to reflect that reload no longer
4486 puts modes on the insns.
4488 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4490 * function.c (purge_addressof_1): Force the first argument of a
4491 CALL insn to memory.
4493 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4495 * rtl.h: Delete duplicate prototypes. Add some missing
4497 * rtlanal.c: (for_each_rtx): Formatting tweak.
4499 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4501 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4502 to be compatible with TI compiler.
4504 * Makefile.in (USER_H): Add va-c4x.h to definition.
4506 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4508 * function.c (purge_addressof_1): Fix typo in inequality: do
4509 bitfield optimization for equal mode sizes.
4510 * expmed.c (store_bit_field): Don't take subregs of subregs in
4511 the movstrict case. Tidy a potential problem in the multi-word case.
4512 (extract_bit_field): Likewise.
4514 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4516 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4518 Compute max_uid_for_flow by calling get_max_uid after the scan.
4519 (find_basic_blocks_1): Don't emit NOPs here.
4521 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4523 * alias.c (base_alias_check): Accept new args for the modes of the
4524 two references. Use them to determine if an AND can overlap. Update
4526 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4527 to determine if an AND can overlap.
4529 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4531 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4532 check. Add comment to document problems with TARGET_SUN_FPA version
4534 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4536 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4538 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4540 * c-common.c (print_char_table): Add missing initializers.
4541 (scan_char_table): Likewise.
4542 (time_char_table): Likewise.
4544 * c-decl.c (c_decode_option): Mark parameter `argc' with
4546 (declare_parm_level): Mark parameter `definition_flag' with
4549 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4550 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4553 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4555 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4557 (expand_call): Cast result of MIN() to (unsigned int) when
4558 comparing against an unsigned value.
4560 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4562 (make_definition): Remove unused parameter `op'. All callers
4564 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4565 comparing against the result of pointer arithmetic.
4567 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4568 when comparing against one.
4570 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4571 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4573 (output_die): Move variable `i' into the scope in which it is
4574 used. Change its type to `unsigned'.
4575 (output_die): Cast the result of `strlen' to (int) when passing it
4576 to ASM_OUTPUT_ASCII().
4577 (output_pubnames): Likewise.
4578 (output_line_info): Likewise.
4580 * emit-rtl.c (global_rtl): Add missing initializers.
4582 * explow.c (promote_mode): Mark parameter `for_call' with
4585 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4586 `unsigned HOST_WIDE_INT' when comparing against one.
4587 (synth_mult): Change type of variable `cost' to int.
4588 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4590 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4591 when comparing against one.
4592 (get_inner_reference): Change variable `alignment' to unsigned.
4593 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4594 int) when comparing against one.
4595 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4597 * fold-const.c (div_and_round_double): Cast BASE to
4598 (HOST_WIDE_INT) when comparing against one.
4600 * gencheck.c: Include gansidecl.h.
4601 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4603 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4604 `tcode' with ATTRIBUTE_UNUSED.
4606 * real.c (edivm): Cast constant value to (unsigned long) in
4607 expression compared against an unsigned value.
4609 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4610 comparing against one.
4611 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4612 when comparing against one.
4614 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4615 (unsigned int) when comparing against one. Likewise for
4617 (smallest_mode_for_size): Likewise.
4618 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4619 (restore_storage_status): Likewise.
4621 * toplev.c (debug_args): Add missing initializer.
4622 (f_options): Spelling correction. Add missing initializers.
4623 (documented_lang_options): Likewise.
4624 (debug_end_source_file): Mark parameter `lineno' with
4627 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4628 `decl' and `type' with ATTRIBUTE_UNUSED.
4630 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4631 when comparing against one.
4632 (assemble_variable): Mark parameter `top_level' with
4634 (assemble_external_libcall): Mark parameter `fun' with
4636 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4639 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4641 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4642 Replace use of r5 with use of r19.
4644 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4646 * config/v850/v850.c (compute_register_save_size): Allow for the
4647 fact that helper functions save all registers, not just those used
4650 Replace constant 31 with macro LINK_POINTER_REGNUM.
4652 * config/v850/v850.md: Use 'indirect_operand' rather than
4653 'memory_operand' for bit test/set/clear patterns.
4655 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4657 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4658 * varasm.c (assemble_start_function et al): Don't call
4659 ASM_GLOBALIZE_LABEL for weak symbols.
4661 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4663 * cse.c (equiv_constant): Check for NULL return from
4664 gen_lowpart_if_possible().
4666 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4668 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4670 * collect2.c (main): Pass -EL/-EB through to the compiler.
4672 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4674 * expr.c (push_block): Handle targets where the stack grows
4675 to higher addresses, but args grow to lower addresses and
4676 ACCUMULATE_OUTGOING_ARGS is not defined.
4678 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4680 * config/v850/v850.c (print_operand): Extend meaning
4681 of 'c' operands to support .vtinherit.
4683 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4685 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4686 Added ATTRIBUTE_UNUSED to unused function arguments.
4687 (rc_reg_operand): New predicate.
4688 (c4x_rptb_insert): New function.
4689 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4690 (c4x_optimization_options): New function.
4692 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4693 (decrement_and_branch_on_count): New pattern.
4694 (rptb_top): Modified pattern to work with BCT optimization.
4696 * config/c4x/c4x.h (RC_REG): New register class.
4697 (rc_reg_operand): Define prototype.
4698 (IS_RC_REG): New macro.
4699 (IS_RC_OR_PSEUDO_REG): New macro.
4700 (IS_RC_OR_PSEUDO_REGNO): New macro.
4701 (OPTIMIZATION_OPTIONS): Define.
4703 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4705 * collect2.c (extract_init_priority): No priority is 65535.
4707 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4709 * Makefile.in (build_tooldir): new variable, same as old
4710 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4711 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4712 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4714 * configure.in (gxx_include_dir): set default based on unlibsubdir
4715 * Makefile.in (tooldir): ditto
4716 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4717 gxx_include_dir, includedir and tooldir
4718 (protoize.o, unprotoize.o): ditto
4720 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4722 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4724 * config/arm/thumb.c (thumb_override_options): Add warning about
4725 PIC code not being supported just yet.
4727 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4729 * flow.c: Update comment.
4730 (notice_stack_pointer_modification): New static function.
4731 (record_volatile_insns): Use it.
4732 (mark_regs_live_at_end): Mark the stack pointer as alive
4733 at the end of the function if current_function_sp_is_unchanging
4735 (life_analysis_1): Set current_function_sp_is_unchanging.
4736 * function.c: Define it.
4737 (init_function_start): Initialize it.
4738 * output.h: Declare it.
4739 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4740 the stack pointer as alive at the end of the function if
4741 current_function_sp_is_unchanging is set.
4742 * i386.c (ix86_epilogue): Optimize the restoring
4743 of the stack pointer.
4745 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4747 * version.c: Bump for snapshot.
4749 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4751 * c-pragma.c (handle_pragma_token): If passed a token instead
4752 of a tree, use that as the pack value.
4754 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4756 * flow.c (find_basic_blocks_1): Fix prototype.
4758 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4760 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4761 (struct tree_decl): New fields no_check_memory_usage.
4762 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4763 (init_attributes): Register it as a new attribute.
4764 (decl_attributes): Set flags on functions given that attribute.
4765 * c-decl.c (duplicate_decls): Merge new attribute.
4766 * expr.h (current_function_check_memory_usage): Declare new var.
4767 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4768 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4769 current_function_check_memory_usage.
4770 * function.h: Add field to struct function.
4771 * function.c (current_function_check_memory_usage): Define it.
4772 (push_function_context_to, pop_function_context_from): Save and
4774 (expand_function_start): Set it, based on global flag and function
4777 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4778 check non-automatic variables, to permit detection of writes to
4779 read-only locations in embedded systems without memory management.
4780 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4781 when emitting chkr_set_right_libfunc call, even if the argument is
4782 BLKmode or variable-sized; don't abort.
4784 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4785 symbols in Pmode, not VOIDmode.
4787 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4789 * cppexp.c: When forcing unsigned comparisons, cast both sides
4792 * cpphash.h: Move static declaration of hashtab[]...
4793 * cpphash.c: ...here.
4795 * cpplib.c: Cast difference of two pointers to size_t before
4796 comparing it to size_t. Cast signed to unsigned
4797 before comparing to size_t. (FIXME: struct argdata should use
4798 unsigned buffer sizes.)
4799 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4800 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4801 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4802 size_t before comparison.
4804 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4806 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4807 (find_basic_blocks_1): Similarly.
4808 * output.h (find_basic_blocks): Fix prototype.
4809 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4810 find_basic_blocks anymore.
4812 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4814 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4815 (sbitmap_free, sbitmap_vector_free): New macros.
4816 * output.h (rtl_dump_file): Declare.
4818 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4820 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4822 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4824 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4826 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4827 (divide): Remove unused variable `tmp'.
4828 (si_to_float): Cast numeric constant to (SItype) before comparing
4831 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4833 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4834 * gcc.c (add_preprocessor_option): Correct typo when allocating
4835 memory, sizeof() argument had one too many `*'.
4836 (add_assembler_option): Likewise.
4837 (add_linker_option): Likewise.
4838 * gcov.c (output_data): Likewise.
4839 * local-alloc.c (memref_used_between_p): Likewise.
4840 (update_equiv_regs): Likewise.
4841 * loop.c (strength_reduce): Likewise.
4842 * reg-stack.c (record_asm_reg_life): Likewise.
4843 (subst_asm_stack_reg): Likewise.
4844 * reorg.c (dbr_schedule): Likewise.
4846 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4848 * flow.c (life_analysis_1): Break out some functions.
4849 (find_basic_blocks_1): Likewise. Also move some variables out and
4851 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4852 new static var nonlocal_label_list with it.
4853 (active_eh_region, nested_eh_region, label_value_list,
4854 nonlocal_label_list): New static variables.
4855 (make_edges, delete_unreachable_blocks, delete_block): New static
4856 functions, broken out of find_basic_blocks_1.
4857 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4858 noop_move_p): New static functions, broken out of life_analysis_1.
4860 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4862 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4863 Take extra care for op0 now possibly being a subreg.
4864 (extract_bit_field): Likewise.
4865 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4866 the reg to memory if there is no equal sized integral mode.
4867 * stor-layout.c (int_mode_for_mode): New function.
4868 * machmode.h: Prototype it.
4870 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4872 * global.c (build_insn_chain): Verify no real insns exist past the
4873 end of the last basic block, then exit the loop.
4875 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4877 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4879 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4881 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4883 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4885 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4887 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4889 * flow.c (find_basic_blocks): Correctly determine when a call
4890 is within an exception region.
4892 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4894 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4896 * cpplib.h: Protect from multiple inclusions.
4897 * cpplib.c: Fix minor formatting problems.
4899 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4901 * jump.c (jump_optimize): Revert accidental patch.
4903 * Makefile.in (cpplib.o): Use unlibsubdir.
4905 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4907 * loop.c (get_condition): Allow combine when either compare is
4910 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4912 * version.c: Bump for snapshot.
4914 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4916 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4917 (init_lex): Initialize ridpointers[RID_BYREF].
4918 * c-lex.h (enum rid): Add RID_BYREF.
4919 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4920 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4921 (encode_type_qualifiers): Similarly
4922 * c-gperf.h: Rebuilt.
4924 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4926 * c-common.c (type_for_mode): Only return TItype nodes when
4927 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4928 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4929 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4930 (init_decl_processing): Only create TItype nodes when
4931 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4932 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4933 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4935 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4937 * stmt.c (n_occurrences): New static function.
4938 (expand_asm_operands): Verify that all constrains match in the
4939 number of alternatives.
4940 Verify that '+' or '=' are at the beginning of an output constraint.
4941 Don't allow '&' for input operands.
4942 Verify that '%' isn't written for the last operand.
4943 * reload.c (find_reloads): Abort if an asm is found with invalid
4944 constraints; all possible problems ought to be checked for earlier.
4946 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4948 * flags.h (flag_branch_on_count_reg): Always declare
4949 * toplev.c (flag_branch_on_count_reg): Likewise.
4950 * toplev.c: Fix typos.
4952 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4955 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4957 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4959 (find_basic_blocks_1): Add a nop to the end of a basic block when
4960 a trailing call insn does not have abnormal control flow.
4961 * gcse.c (pre_transpout): New variable.
4962 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4963 (compute_pre_transpout): Calculate it.
4964 (compute_pre_ppinout): Use it to eliminate impossible placements
4965 due to abnormal control flow through calls.
4966 (compute_pre_data): Call compute_pre_transpout.
4968 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4970 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4972 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4974 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4975 and matching define_insns): Tack on a `use' of the table label, so
4976 flow analysis will recognize a tablejump.
4978 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4980 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4981 always end basic blocks for abnormal edge reasons.
4983 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4985 * config/i386/i386.h: Remove definition of
4986 HANDLE_PRAGMA_PACK_PUSH_POP.
4988 * config/i386/go32.h: Add definition of
4989 HANDLE_PRAGMA_PACK_PUSH_POP.
4991 * config/i386/win32.h: Add definition of
4992 HANDLE_PRAGMA_PACK_PUSH_POP.
4994 * config/i386/cygwin32.h: Add definition of
4995 HANDLE_PRAGMA_PACK_PUSH_POP.
4997 * c-pragma.c (insert_pack_attributes): Do not insert
4998 attributes unless #pragma pack(push,<n>) is in effect.
5000 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5002 * expr.c (emit_group_store): Handle a PARALLEL destination.
5004 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5006 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5007 the new insns before the argument regs are loaded.
5009 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5011 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5012 (c-parse.gperf): Update comments describing invocation flags.
5013 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5015 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5017 * reload1.c (reload): Call free before clobbering the memory
5018 locations or constants pointers.
5020 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5022 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5023 for efficiency by checking whether we need to modify the current
5024 stack permission at all.
5025 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5026 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5027 __enable_execute_stack libcall here too if
5028 TRANSFER_FROM_TRAMPOLINE is defined.
5029 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5032 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5034 * Makefile.in (DRIVER_DEFINES): Remove last change.
5036 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5038 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5039 insns we're going to copy.
5040 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5042 * loop.c (count_one_set): Add prototype.
5044 * caller-save.c (restore_referenced_regs): Lose mode argument.
5045 (insert_save): Lose mode argument.
5046 (insert_restore): Lose mode argument.
5047 (insert_one_insn): Lose mode argument.
5048 (save_call_clobbered_regs): Lose mode argument.
5049 (setup_save_areas): Take no argument and return void. All callers
5051 Don't verify validity of memory addresses.
5052 * reload.h (setup_save_ares): Adjust prototype.
5053 (save_call_clobbered_regs): Likewise.
5054 * reload1.c (delete_caller_save_insns): New function.
5055 (caller_save_spill_class): Delete variable.
5056 (caller_save_group_size): Delete variable.
5057 (reload): Call setup_save_areas and save_call_clobbered_regs
5058 in the main loop, before calling calculate_needs_all_insns.
5059 Don't call save_call_clobbered_regs after the loop.
5060 Call delete_caller_save_insns at the end of an iteration if
5062 Delete code to manage caller_save_spill_class.
5063 Emit the final note before setting reload_first_uid.
5064 Simplify test that determines whether reload_as_needed gets run.
5065 (calculate_needs): Delete code to manage caller_save_spill_class.
5067 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5069 * collect2.c (main): Initialize ld_file_name.
5071 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5073 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5074 check for flag_function_sections.
5076 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5078 * cse.c (insert_regs): Fix bug in Sep 24 change.
5080 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5082 * flags.h (flag_dump_unnumbered): Declare.
5083 * toplev.c (flag_dump_unnumbered): Don't declare.
5084 * print-rtl.c (flags.h): Include.
5085 (print_rtl_single): Add return value.
5086 * rtl.h (print_rtl_single): Update declaration.
5087 * flow.c (flag_dump_unnumbered): Don't declare.
5088 (print_rtl_with_bb): Use return value of print_rtl_single.
5090 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5092 * loop.c (count_one_set): New static function, broken out of
5094 (count_loop_regs_set): Call it.
5095 * global.c (mark_reg_store): Handle clobbers here by not calling
5097 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5098 is in fact a clobber.
5099 * integrate.c (process_reg_param): New function, broken out of
5100 expand_inline_function.
5101 (expand_inline_function): Call it.
5104 * i386.md (addsidi3_1): Delete unused variable temp.
5105 (addsidi3_2): Likewise.
5106 (clstrstrsi): Delete unused variable addr1.
5108 * rtl.h: Don't declare any functions also declared in recog.h.
5110 * Makefile.in (stupid.o): Update dependencies.
5111 (global.o): Likewise.
5113 * global.c: Include reload.h
5114 (reg_becomes_live): New function.
5115 (reg_dies): New function.
5116 (build_insn_chain): New function.
5117 (global_alloc): Call build_insn_chain before calling reload.
5119 * reload.h (struct needs): New structure definition.
5120 (struct insn_chain): Likewise.
5121 (reload_insn_chain): Declare variable.
5122 (new_insn_chain): Declare function.
5125 * reload1.c (reload_startobj): New variable.
5126 (reload_insn_chain): New variable.
5127 (unused_insn_chains): New variable.
5128 (new_insn_chain): New function.
5129 (init_reload): Initialize reload_startobj, not reload_firstobj.
5130 (reload): Initialize reload_firstobj.
5131 Before returning, free everything on the reload_obstack.
5133 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5134 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5135 current_chain): New variables.
5136 (reg_where_born): Delete variable.
5137 (REG_WHERE_BORN): New macro.
5138 (find_clobbered_regs): New function.
5139 (stupid_life_analysis): Don't allocate/free reg_where_born.
5140 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5141 reg_where_dead_chain.
5142 Use REG_WHERE_BORN instead of reg_where_born.
5143 While processing the insns, build the reload_insn_chain with
5144 information about register lifetimes.
5145 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5146 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5148 Compute and information about birth and death of pseudo registers in
5149 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5150 Delete code to set elements of reg_where_born.
5152 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5154 * tree.def (GOTO_EXPR): Modified documentation.
5155 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5158 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5160 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5161 loop_final_value, loop_comparison_code): No longer static.
5162 (unroll_loop): Delete loop_start_value update.
5163 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5164 loop_final_value, loop_comparison_code): Extern.
5165 (loop_start_value): Delete extern.
5166 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5167 loop_comparison_value, loop_comparison_code): Delete.
5168 (loop_optimize): Remove initialization for deleted variables.
5169 (strength_reduce): Delete analyze_loop_iterations call. Only call
5170 insert_bct if flag_branch_count_on_reg set.
5171 (analyze_loop_iterations): Delete.
5172 (insert_bct): Remove iteration count calculation. Move checks for
5173 viable BCT optimization to here. Obtain iteration count from
5174 loop_iterations and correct for unrolling. Check for enough
5175 iteration to be beneficial. Comment out runtime iteration count
5177 (insert_bct): Print iteration count in dump file. Remove
5178 loop_var_mode and use word_mode directly.
5180 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5181 * rs6000.c (rs6000_override_options): Use it.
5182 (optimization_options): Enable use of flag_branch_on_count_reg.
5183 * rs6000.md (define_function_unit): Describe 604e.
5185 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5187 * loop.c (move_movables): Corrected threshold calculation for
5188 moved_once registers.
5190 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5192 * loop.c (combine_givs_p): Fix test for identical givs.
5194 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5196 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5197 call abort if the function is already defined.
5199 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5201 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5202 truncation is not a no-op.
5204 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5206 * version.c: Bump for snapshot.
5208 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5210 * version.c: Bump for snapshot.
5212 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5214 * expmed.c (expand_divmod): Don't widen for computing remainder
5215 if we seem to have a divmod pattern for needed mode.
5217 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5219 * cpplib.c (macroexpand): Correct off-by-one error in handling
5222 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5224 * combine.c (expand_field_assignment): Don't do bitwise operations
5225 on MODE_FLOAT; pun to MODE_INT if possible.
5227 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5228 scott snyder <snyder@d0sgif.fnal.gov>
5230 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5231 linker. Recognize mangled names in quotes.
5233 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5235 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5236 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5237 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5238 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5240 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5242 * function.c (purge_addressof_1): If trying to take a sub-word
5243 integral piece of a floating point mode, put it on the stack.
5245 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5247 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5249 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5251 * PROJECTS: Remove template friends.
5253 * collect2.c (sort_ids): Remove unused variable.
5255 * tm.texi (MATH_LIBRARY): Document.
5256 (NEED_MATH_LIBRARY): Remove.
5258 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5259 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5261 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5263 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5264 last_end to 0x7fffffff.
5266 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5268 * function.c (purge_addressof_1): Do not perform endianness
5269 corrections on bitpos, who we call will do it for us.
5271 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5273 * h8300.c (WORD_REG_USED): Fix typo.
5274 (initial_offset): Use WORD_REG_USED.
5276 * h8300.c (handle_pragma): Fix typo.
5278 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5280 * caller-save.c (insert_save_restore): Break this function up
5281 into new functions insert_restore, insert_save and insert_one_insn.
5282 All callers changed.
5283 (insert_restore): New function, mostly broken out of
5284 insert_save_restore.
5285 (insert_save): Likewise.
5286 (insert_one_insn): Likewise.
5287 (restore_referenced_regs): New argument BLOCK. All callers changed.
5288 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5289 in this function, do it in insert_one_insn instead.
5291 * reload1.c (reload): Break out some more pieces into separate
5293 (dump_needs): New function, broken out of reload.
5294 (set_initial_elim_offsets): Likewise.
5295 (init_elim_table): Likewise.
5296 (update_eliminables): Likewise.
5298 * global.c (global_alloc): Delete code to manage the scratch_list.
5299 * local-alloc.c (qty_scratch_rtx): Delete.
5300 (scratch_block): Delete.
5301 (scratch_list): Delete.
5302 (scratch_list_length): Delete.
5303 (scratch_index): Delete.
5304 (alloc_qty_for_scratch): Delete.
5305 (local-alloc): Update initialization of max_qty.
5306 Delete code to manage the scratch list.
5307 Delete code to allocate/initialize qty_scratch_rtx.
5308 (block_alloc): Don't allocate quantities for scratches.
5309 Delete code to manage the scratch list.
5310 * regs.h (scratch_list): Delete declaration.
5311 (scratch_block): Delete declaration.
5312 (scratch_list_length): Delete declaration.
5313 * reload1.c (reload): Delete code to manage the scratch list.
5314 (spill_hard_reg): Likewise.
5315 (mark_scratch_live): Delete.
5317 * recog.c (alter_subreg): Delete declaration.
5319 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5321 * Makefile.in (cccp.o): Fix typo in last patch.
5323 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5325 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5326 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5328 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5330 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5331 NULL_RTX as an argument.
5333 * Makefile.in (unlibsubdir): Define.
5334 (DRIVER_DEFINES): Use unlibsubdir.
5335 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5336 (stmp-fixinc): Similarly.
5338 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5340 * regmove.c (regmove_optimize): Add variable old_max_uid.
5341 At the end of the function, update basic_block_end.
5343 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5345 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5346 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5349 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5351 * config/arm/arm.c: Improve interworking support.
5353 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5355 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5356 copied from reload_out[r] .
5358 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5360 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5361 with more than three size ranges.
5363 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5365 * rtl.c (mode_name): Add a null string at the end of the array.
5366 (mode_wider_mode): Change type to unsigned char.
5367 (mode_mask_array): New variable.
5368 (init_rtl): Update for mode_wider_mode type change.
5370 * rtl.h (mode_wider_mode): Change type to unsigned char.
5371 (mode_mask_array): Declare.
5372 (GET_MODE_MASK): Use mode_mask_array.
5374 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5376 * calls.c (expand_call) : Encapsulate code into
5377 copy_blkmode_from_reg.
5378 * expr.c (copy_blkmode_from_reg): New function.
5379 * expr.h (copy_blkmode_from_reg): New function.
5380 * integrate.c (function_cannot_inline_p): We can inline
5382 (expand_inline_function): Use copy_blkmode_from_reg
5383 if needed. Avoid creating BLKmode REGs.
5384 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5387 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5389 * config/v850/v850.c: Add function prototypes.
5390 Add support for v850 special data areas.
5392 * config/v850/v850.h: Add support for v850 special data areas.
5394 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5395 HANDLE_PRAGMA_PACK_PUSH_POP.
5396 (push_alignment): New function: Cache an alignment requested
5397 by a #pragma pack(push,<n>).
5398 (pop_alignment): New function: Pop an alignment from the
5400 (insert_pack_attributes): New function: Generate __packed__
5401 and __aligned__ attributes for new decls whilst a #pragma pack
5403 (add_weak): New function: Cache a #pragma weak directive.
5404 (handle_pragma_token): Document calling conventions. Add
5405 support for #pragma pack(push,<n>) and #pragma pack (pop).
5407 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5408 are defined enable HANDLE_PRAGMA_PACK.
5409 Move 'struct weak_syms' here (from varasm.c).
5410 Add pragma states for push and pop pragmas.
5412 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5415 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5416 HANDLE_GENERIC_PRAGMAS.
5418 * varasm.c: Move definition of 'struct weak_syms' into
5420 (handle_pragma_weak): Deleted.
5422 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5424 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5426 * c-decl.c (start_function): Add invocation of
5427 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5429 * tm.texi: Remove description of non-existant macro
5430 SET_DEFAULT_SECTION_NAME.
5432 (HANDLE_SYSV_PRAGMA): Document.
5433 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5435 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5437 * config.sub: Recognize i[34567]86-pc-udk as new target.
5438 * configure.in: Likewise.
5439 * config/i386/t-udk: New file.
5440 * config/i386/udk.h: New file.
5442 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5444 * reorg.c (check_annul_list_true_false): Remove unused variables.
5445 (steal_delay_list_from_target): Add missing "used_annul" variable.
5446 (try_merge_delay_insns): Close out half formed comment.
5448 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5450 * cpplib.c (macroexpand): If arg->raw_before or
5451 arg->raw_after, remove any no-reexpansion escape at the
5452 beginning of the pasted token. Correct handling of whitespace
5453 markers and no-reexpand markers at the end if arg->raw_after.
5455 * toplev.c (documented_lang_options): Recognize -include,
5456 -imacros, -iwithprefix, -iwithprefixbefore.
5457 * cpplib.c (cpp_start_read): Process -imacros and -include
5458 switches at the same time and in command-line order, after
5459 initializing the dependency-output code. Emit properly nested
5460 #line directives for them. Emit a #line for the main file
5461 before processing these switches, and don't do it again
5464 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5466 * function.c (purge_addressof_1): Use bitfield manipulation
5467 routines to handle mem mode < reg mode.
5469 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5471 * reorg.c (try_merge_delay_insns): Account for resources referenced
5472 in each instruction in INSN's delay list before trying to eliminate
5473 useless instructions. Similarly when looking at a trial insn's delay
5476 * reorg.c (check_annul_list_true_false): New function.
5477 (steal_delay_list_from_{target,fallthrough}): Call it and also
5478 refine tests for when we may annul if already filled a slot.
5479 (fill_slots_from_thread): Likewise.
5480 (delete_from_delay_slot): Return newly-created thread.
5481 (try_merge_delay_isns): Use its new return value.
5483 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5485 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5486 used to compute a giv or as some other non-counting use.
5488 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5490 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5491 * local-alloc.c (find_free_reg): Use it.
5492 * global.c (find_reg): Likewise.
5493 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5495 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5496 * caller-save.c (init_caller_save): Use it.
5497 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5499 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5501 * configure.in: Add --enable-cpplib option which uses cpplib
5502 for cpp, but doesn't link cpplib into cc1. Make help text
5503 capitalization consistent.
5504 * configure: Rebuilt.
5506 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5508 * function.c (gen_mem_addressof): If the address REG is
5509 REG_USERVAR_P make the new REG be so also.
5510 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5511 in an attempt to clarify slightly.
5513 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5515 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5516 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5518 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5520 * toplev.c: Fix last patch.
5522 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5524 * loop.c (get_condition): Fix typo in May 9 change.
5526 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5528 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5530 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5532 * toplev.c (documented_lang_options): Spelling corrections.
5534 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5536 * configure.in: new flags --with-ld and --with-as, equivalent
5537 to setting LD and AS environment variables. Test whether
5538 specified arguments are GNU commands, and report them with
5539 checking messages. Use the specified AS for configure
5542 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5544 * gcc.c (find_a_file): when looking for `as' and `ld', return
5545 the DEFAULT program if it exists
5546 * collect2.c (main): use DEFAULT_LINKER if it exists
5548 * gcc.c (find_a_file): the test for existence of a full
5549 pathname was reversed
5551 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5553 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5554 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5556 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5558 * tree.h (TYPE_BINFO): Document.
5560 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5562 * i386-coff.h (dbxcoff.h): Added.
5564 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5566 * toplev.c: fix bad patch around flag_data_sections.
5568 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5570 * reload1.c (reload): Use reload_address_index_reg_class and
5571 reload_address_base_reg_class when setting
5572 caller_save_spill_class. (Patch generated by Jim Wilson:
5575 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5577 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5578 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5579 * expr.c (store_field): Add alias_set parameter. Set the
5580 MEM_ALIAS_SET accordingly, if the target is a MEM.
5581 (expand_assignment): Use it.
5582 (store_constructor_field): Pass 0.
5583 (expand_expr): Likewise.
5585 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5587 * flags.h: Add flag_data_sections.
5588 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5589 (compile_file): Error if flag_data_sections not supported.
5590 * varasm.c (assemble_variable): Handle flag_data_sections.
5591 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5592 * config/mips/elf.h: Likewise.
5593 * config/mips/elf64.h: Likewise.
5594 * invoke.texi: Describe -fdata-sections.
5596 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5598 * invoke.texi (-ffloat-store): Clarify that this option
5599 does not affect intermediate results -- only variables.
5601 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5603 * cpp.texi: Update for Fortran usage from Craig.
5605 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5607 * rs6000.c (function_arg_boundary): Revert accidental change on
5610 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5612 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5613 (output_mi_thunk): Declare.
5615 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5616 (output_function_profiler): Use r12 for temp, instead of r11 so
5617 that we preserve the static chain register.
5619 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5621 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5623 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5625 * sh.c (gen_shl_sext): Fix case 5.
5627 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5629 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5631 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5633 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5634 accessing variables until they are initialized via va_arg().
5636 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5638 * reload1.c (reload_combine): Initialize set before using.
5640 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5642 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5645 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5647 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5648 operand3 with mask before using it. Patch provided by Jim Wilson.
5650 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5652 * config/sparc/sparc.c (function_value): Perform the equivalent of
5653 PROMOTE_MODE for ARCH64.
5654 (eligible_for_epilogue_delay): Allow DImode operations in delay
5655 slot of a return for ARCH64.
5657 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5659 * sh.md (sqrtsf2): Fix mode of sqrt.
5661 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5663 * reload1.c (choose_reload_regs): Also try inheritance when
5664 reload_in is a stack slot of a pseudo, even if we already got a
5667 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5669 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5670 (reload_cse_regs): New function body: call reload_cse_regs_1,
5671 reload_combine, reload_cse_move2add.
5672 When doing expensive_optimizations, call reload_cse_regs_1 a
5673 second time after reload_cse_move2add.
5674 (reload_combine, reload_combine_note_store): New functions.
5675 (reload_combine_note_use): New function.
5676 (reload_cse_move2add, move2add_note_store): New functions.
5678 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5680 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5681 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5683 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5684 more than 3 such reloads.
5686 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5687 RELOAD_FOR_X_ADDR_ADDR reload.
5689 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5691 * expr.c (store_constructor): When initializing a field that is smaller
5692 than a word, at the start of a word, try to widen it to a full word.
5694 * cse.c (cse_insn): When we are about to change a register,
5695 remove any invalid references to it.
5697 (remove_invalid_subreg_refs): New function.
5698 (mention_regs): Special treatment for SUBREGs.
5699 (insert_regs): Don't strip SUBREG for call to mention_regs.
5700 Check if reg_tick needs to be bumped up before that call.
5701 (lookup_as_function): Try to match known word_mode constants when
5702 looking for a norrower constant.
5703 (canon_hash): Special treatment for SUBREGs.
5705 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5707 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5708 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5709 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5710 and offsets in actual stack trampoline code so they match the
5711 commentary and actually work.
5713 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5715 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5717 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5718 tmake_file. Set extra_parts to needed crt objects.
5719 * configure: Rebuilt.
5720 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5721 (TARGET_DEFAULT): Set if default is v9 or ultra.
5722 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5723 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5724 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5725 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5726 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5727 (TARGET_VERSION): Define.
5728 (MULTILIB_DEFAULT): Define.
5729 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5730 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5731 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5733 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5734 * config/sparc/sparc.c (sparc_override_options): If arch and
5735 pointer size disagree, emit diagnostic and fix it up. If
5736 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5737 V8PLUS in 64-bit mode.
5738 * config/sparc/t-linux64: New file.
5739 * config/sparc/t-sol2-64: New file.
5740 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5741 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5742 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5743 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5744 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5745 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5747 (STARTFILE_SPEC): Set approriately based upon those.
5748 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5749 disposition of DEFAULT_ARCH32_P.
5750 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5751 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5752 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5753 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5754 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5756 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5758 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5760 * rtl.h (init_virtual_regs): New function.
5761 * emit-rtl.c (init_virtual_regs): Define.
5762 (insn_emit): Use it.
5763 * integrate.c (save_for_inline_copying): Likewise.
5765 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5767 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5768 (enum reg_class): Add NONARG_LO_REGS support.
5769 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5770 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5771 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5772 completes. Re-enable HImode REG+OFFSET addresses.
5773 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5775 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5777 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5779 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5780 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5781 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5783 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5785 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5786 jumps as a single entity, taking into account the size of the
5789 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5791 * tree.def (SWITCH_EXPR): New tree node definition.
5793 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5795 * version.c: Bump for snapshot.
5797 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5799 * version.c: Bump for snapshot.
5801 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5803 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5806 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5808 * Revert this patch.
5809 * reload.c (find_reloads): Do not replace a pseudo with
5810 (MEM (reg_equiv_addr)) in the initializing insn for the
5813 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5815 * final.c (final_scan_insn): Disable tracking CC across branches.
5817 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5819 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5820 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5821 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5822 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5823 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5825 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5827 * toplev.c (rest_of_compilation): Skip compiling anything with
5828 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5830 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5832 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5833 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5834 use in_libcall_block.
5835 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5836 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5839 Mon Sep 21 14:02:23 1998
5841 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5842 typo in no-fancy-math-387 description.
5844 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5846 * version.c: Bump for snapshot.
5848 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5850 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5852 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5854 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5855 documented in install.texi.
5856 (TARGET_OPTIONS) Likewise.
5858 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5860 * version.c: Bump for snapshot.
5862 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5864 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5865 * cccp.c (main): Likewise.
5867 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5868 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5871 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5873 * Makefile.in (LIBS): Link in libiberty.a.
5874 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5876 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5878 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5879 it to update bb boundaries. Update caller.
5880 * function.c (reposition_prologue_and_epilogue_notes): Update
5881 bb boundaries wrt the moved note.
5883 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5885 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5887 * configure: Regenerate.
5889 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5891 * alpha.c (alpha_sr_alias_set): New variable.
5892 (override_options): Set it.
5893 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5894 (mode_mask_operand): Fix signed-unsigned comparision warning.
5895 (alpha_expand_block_move): Likewise.
5896 (print_operand): Likewise.
5897 (get_aligned_mem): Use change_address.
5898 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5899 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5900 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5901 (alpha_align_insns): Remade from old alphaev5_align_insns
5902 to handle multiple processors.
5903 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5904 * output.h (label_to_alignment): Prototype.
5906 * tree.c (new_alias_set): New function.
5907 * tree.h (new_alias_set): Declare it.
5908 * c-common.c (c_get_alias_set): Use it.
5910 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5912 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5913 to an ABS expr, convert an unsigned input to signed.
5915 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5917 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5919 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5921 * configure.in: Add support for c4x targets.
5922 * configure: Rebuilt.
5924 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5926 * combine.c (distribute_notes): If an insn is a cc0 user, only
5927 delete it if we can also delete the cc0 setter.
5929 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5931 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5932 (invert_truthvalue): Enable truthvalue inversion for
5933 floating-point operands if -ffast-math.
5935 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5937 * configure.in: Disable collect2 for nextstep. Instead use
5939 * configure: Rebuilt.
5940 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5941 (ENDFILE_SPEC): Define.
5942 (OBJECT_FORMAT_MACHO): Define.
5943 (EH_FRAME_SECTION_ASM_OP): Define.
5944 * crtstuff.c: Handle MACHO.
5946 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5948 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5950 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5952 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5953 (_fpadd_parts): Get sign right for 0.
5955 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5957 * ginclude/varargs.h: Add support for C4x target.
5958 * ginclude/stdargs.h: Likewise.
5960 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5962 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5963 (alpha_emit_set_long_const): Rewrite to be callable from reload
5965 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5966 * alpha.md (movdi): Likewise.
5968 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5970 * arm.c (add_constant): New parameter address_only, change caller.
5971 Set it non-zero if taking the address of an item in the pool.
5972 (arm_reorg): Handle cases where we need the address of an item in
5975 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5977 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5978 memory addresses that are not in standard canonical form.
5980 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5982 * README.C4X: New file with information about the c4x ports.
5983 * ginclude/va-c4x.h: New file for c4x varargs support.
5984 * config/c4x: New directory with c4x port files.
5986 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5988 * reload.c (find_reloads): Do not replace a pseudo with
5989 (MEM (reg_equiv_addr)) in the initializing insn for the
5992 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5994 * toplev.c (rest_of_compilation): Set bct_p on second call to
5996 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5998 (strength_reduce): Only call analyze_loop_iterations and
5999 insert_bct if bct_p set.
6000 (check_dbra_loop): Fix typo.
6001 (insert_bct): Use word_mode instead of SImode.
6002 (instrument_loop_bct): Likewise. Do not delete iteration count
6003 condition code generation insn. Initialize iteration count before
6005 * rtl.h (loop_optimize): Update prototype.
6007 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6008 not doubleword aligned.
6010 * rs6000.c (optimization_options): New function.
6011 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6012 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6013 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6014 first; cr1 can be used for FP record condition insns.
6016 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6018 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6021 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6024 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6026 (block_move_call): New function: Call a library routine to copy a
6028 (m32r_expand_block_move): New function: Expand a "movstrsi"
6029 pattern into a sequence of insns.
6030 (m32r_output_block_move): New function: Expand a
6031 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6032 (m32r_block_immediate_operand): New function: Return true if the
6033 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6035 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6037 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6039 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6041 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6043 * regmove.c (copy_src_to_dest): Check that modes match.
6045 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6047 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6049 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6051 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6052 narrower than FLOAT_REGS.
6054 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6056 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6058 * Makefile.in (old_gxx_include_dir): removed
6060 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6062 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6065 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6066 (sh_handle_pragma): Change function arguments to match new
6067 specification for HANDLE_PRAGMA.
6069 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6071 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6073 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6074 When generating output, initialize missing struct member to zero.
6076 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6078 * regmove.c (copy_src_to_dest): Don't copy if that requires
6079 (a) new register(s).
6081 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6083 * global.c (reg_allocno): Now static.
6084 * reload1.c (reg_allocno): Delete declaration.
6085 (order_regs_for_reload): Take no arguments. Don't treat regs
6086 allocated by global differently than those allocated by local-alloc.
6088 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6090 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6091 condition, fix format strings.
6092 (output_function_epilogue): Likewise.
6094 * m68k/m68k.c: Don't include <stdlib.h> directly.
6096 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6098 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6099 mem_first_set, mem_last_set; because 0 can be a CUID.
6100 (oprs_unchanged_p): Use new definition.
6101 (record_last_reg_set_info): Likewise.
6102 (record_last_mem_set_info): Likewise.
6103 (compute_hash_table): Likewise.
6105 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6107 * rs6000.c (output_epilogue): Handle Chill.
6109 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6110 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6112 * combine.c (make_extraction): If no mode is specified for
6113 an operand of insv, extv, or extzv, default it to word_mode.
6114 (simplify_comparison): Similarly.
6115 * expmed.c (store_bit_field): Similarly.
6116 (extract_bit_field): Similarly.
6117 * function.c (fixup_var_regs_1): Similarly.
6118 * recog.c (validate_replace_rtx_1): Similarly.
6119 * mips.md (extv, extzv, insv expanders): Default modes for most
6120 operands. Handle TARGET_64BIT.
6121 (movdi_uld, movdi_usd): New patterns.
6123 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6124 equivalent memory location unless we have been provided a scratch
6125 register. Similarly do not call find_replacement unless a
6126 scratch register has been provided.
6128 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6130 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6133 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6135 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6136 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6137 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6138 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6139 * c-decl.c (init_decl_processing): Update accordingly.
6140 * expr.c (expand_builtin): Likewise.
6142 * rtl.h (global_rtl): Add cfa entry.
6143 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6144 (LAST_VIRTUAL_REGISTER): Update.
6145 * emit-rtl.c (global_rtl): Add cfa entry.
6146 (init_emit): Initialize it.
6147 * function.c (cfa_offset): New.
6148 (instantiate_virtual_regs): Initialize it.
6149 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6150 (expand_function_end): Call expand_eh_return.
6151 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6153 * except.c (current_function_eh_stub_label): Kill.
6154 (current_function_eh_old_stub_label): Likwise; update all references.
6155 (expand_builtin_set_return_addr_reg): Kill.
6156 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6157 (expand_builtin_set_eh_regs): Kill.
6158 (eh_regs): Produce a third reg for the actual handler address.
6159 (eh_return_context, eh_return_stack_adjust): New.
6160 (eh_return_handler, eh_return_stub_label): New.
6161 (init_eh_for_function): Initialize them.
6162 (expand_builtin_eh_return, expand_eh_return): New.
6163 * except.h: Update prototypes.
6164 * flow.c (find_basic_blocks_1): Update references to the stub label.
6165 * function.h (struct function): Kill stub label elements.
6167 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6168 register number is one that would be in the previous window.
6169 Provide a dummy definition for non-windowed targets.
6170 (get_reg_addr): New function.
6171 (get_reg, put_reg, copy_reg): Use it.
6172 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6173 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6175 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6176 (alpha_init_expanders): Initialize it.
6177 (alpha_expand_epilogue): Use it.
6178 * alpha.h: Declare it.
6179 * alpha.md (eh_epilogue): New.
6181 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6182 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6184 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6186 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6189 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6191 * except.h (struct eh_entry): Add false_label field.
6192 (end_catch_handler): Add prototype.
6193 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6194 (start_catch_handler): When using old style exceptions, issue
6195 runtime typematch code before continuing with the handler.
6196 (end_catch_handler): New function, generates label after handler
6197 if needed by older style exceptions.
6198 (expand_start_all_catch): No need to check for new style exceptions.
6199 (output_exception_table_entry): Only output the first handler label
6200 for old style exceptions.
6201 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6202 mechanism into one function, if a runtime matcher is provided.
6204 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6206 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6208 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6210 * integrate.c (copy_decl_list): Fix typo.
6212 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6214 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6217 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6219 * version.c: Bump for snapshot.
6221 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6223 * version.c: Bump for snapshot.
6225 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6227 * version.c: Bump for snapshot.
6229 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6231 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6233 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6235 * configure.in: remove usage of `!' to negate the result of a
6236 command; some common shells do not support it
6238 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6240 * configure.in: in sparc9-sol2 config, use 'if test' not
6242 * configure: Rebuilt.
6244 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6246 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6247 (CPP_CPU_DEFAULT_SPEC): Likewise.
6248 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6249 for arch64 libfuncs.
6251 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6254 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6256 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6258 * collect2.c: Don't declare `sys_siglist' here.
6259 (my_strsignal): Prototype and define new function. Use it in
6260 place of `sys_siglist' hacks.
6262 * mips_tfile.c: Likewise.
6264 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6265 (GCC_NEED_DECLARATIONS): Likewise.
6267 * system.h (strsignal): Prototype it, if necessary.
6268 (sys_siglist): Declare it, if necessary.
6270 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6272 * loop.c (move_movables): While removing insn sequences, preserve
6273 the next pointer of the most recently deleted insn when we skip
6276 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6278 * objc/config-lang.in: Do not output the name of the selected
6279 thread file when building the front-end. The Makefile for the
6280 runtime library will do this.
6282 * objc/Make-lang.in: Do not build the runtime library or install
6283 the Objective C header files. The Makefile for the runtime
6284 library will do this.
6286 * objc/Makefile.in (all.indirect): Only build the front-end.
6287 (compiler): Rename to `frontend'.
6288 (obj-runtime): Remove target.
6289 (copy-headers): Likewise.
6290 (clean): No need to remove `libobjc.a' any longer.
6292 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6294 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6295 supported with -mcpu=xxx.
6297 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6299 * flow.c (mark_set_1): Recognize multi-register structure return
6300 values in CALL insns.
6301 (mark_used_regs): Likewise.
6302 (count_reg_sets_1): Likewise.
6303 (count_reg_references): Likewise.
6304 * rtlanal.c (note_stores): Likewise.
6305 (reg_overlap_mentioned_p): Likewise.
6306 * haifa-sched.c (check_live_1): Likewise.
6307 (update_live_1): Likewise.
6308 (sched_analyze_1): Likewise.
6309 (sched_note_set): Likewise.
6310 (birthing_insn_p): Likewise.
6311 (attach_deaths): Likewise.
6313 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6316 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6318 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6320 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6322 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6324 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6326 * configure.in: Add check for GAS subsection -1 support.
6327 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6328 * configure config.in: Rebuilt.
6329 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6330 SImode is subsection -1 works, else use DImode.
6331 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6332 subsection -1 works.
6333 * config/sparc/sparc.c (sparc_output_addr_vec,
6334 sparc_output_addr_diff_vec): Use them if defined.
6336 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6338 * tree.h (DECL_ORIGIN): New macro.
6339 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6340 (copy_decl_list): Use it.
6341 (integrate_parm_decls): Likewise.
6342 (integrate_decl_tree): Likewise.
6343 * dwarf2out.c (decl_ultimate_origin): Simplify.
6344 * dwarfout.c (decl_ultimate_origin): Likewise.
6345 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6346 (pushdecl): Likewise.
6348 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6350 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6352 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6354 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6356 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6358 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6359 empty or has a single entry.
6361 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6362 before calling reg_to_stack.
6364 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6366 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6367 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6369 * c-tree.h (warn_long_long): Declare it.
6371 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6373 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6374 initialized float-int union if the value is a NaN.
6376 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6378 * c-lex.c (real_yylex): Don't warn about long long constants if
6379 we're allowing long long
6381 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6383 * except.h (current_function_eh_stub_label): Declare.
6384 (current_function_eh_old_stub_label): Declare.
6385 * function.h (struct function): New members eh_stub_label and
6387 * except.c (current_function_eh_stub_label): New variable.
6388 (current_function_eh_old_stub_label): New variable.
6389 (init_eh_for_function): Clear them.
6390 (save_eh_status): Save them.
6391 (restore_eh_status): Restore them.
6392 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6393 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6394 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6395 make an edge from the block that contains it to the block starting
6396 with the label if this label is one of the eh stub labels.
6397 If eh stub labels exist, show they are reachable from the last block
6400 * reload1.c (reload): Break out several subroutines and make some
6402 (calculate_needs_all_insns): New function, broken out of reload.
6403 (calculate_needs): Likewise.
6404 (find_reload_regs): Likewise.
6405 (find_group): Likewise.
6406 (find_tworeg_group): Likewise.
6407 (something_needs_reloads): New global variable, formerly in reload.
6408 (something_needs_elimination): Likewise.
6409 (caller_save_spill_class): Likewise.
6410 (caller_save_group_size): Likewise.
6411 (max_needs): Likewise.
6412 (group_size): Likewise.
6413 (max_groups): Likewise.
6414 (max_nongroups): Likewise.
6415 (group_mode): Likewise.
6416 (max_needs_insn): Likewise.
6417 (max_groups_insn): Likewise.
6418 (max_nongroups_insn): Likewise.
6419 (failure): Likewise.
6421 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6423 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6425 * loop.c (load_mems): Copy rtx for output mem.
6427 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6429 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6430 mips1 or mips2 either.
6432 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6434 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6436 (pa_adjust_insn_length): Update to work with new marking scheme
6437 for jumps inside switch tables.
6438 * pa.md (switch_jump): Remove pattern.
6439 (jump): Handle jumps inside jump tables.
6441 * Makefile.in (profile.o): Depend on insn-config.h
6443 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6445 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6447 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6449 Add preliminary native sparcv9 Solaris support.
6450 * configure.in: Recognize sparv9-*-solaris2*
6451 * configure: rebuilt
6452 * config.sub: Recognize sparcv9 just like sparc64.
6453 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6454 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6455 32-bit and 64-bit Solaris systems.
6456 * config/sparc/t-sol2: Assemble those with cpp.
6457 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6458 (*TF*_LIBCALL): If ARCH64 use V9 names.
6459 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6461 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6463 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6464 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6466 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6468 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6469 to Pmode if CASE_VECTOR_MODE is something else.
6471 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6473 * prefix.c (update_path): Correctly handle cases where PATH is
6474 a substring of the builtin prefix, but specifies a different
6477 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6479 * expr.c: Corrected comment about what MOVE_RATIO does.
6480 * config/alpha/alpha.h: Ditto.
6481 * config/1750a/1750a.h: Ditto.
6482 * config/clipper/clipper.h: Ditto.
6483 * config/i386/i386.h: Ditto.
6485 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6487 * configure.in (m68k-next-nextstep3*): Use collect2.
6488 Similarly for x86 NeXT configurations.
6489 * configure: Rebuilt.
6491 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6493 * configure.in: Don't assume srcdir is .../gcc
6494 * configure: Rebuilt.
6496 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6498 * global.c: Update comments.
6499 (global_alloc): Assign allocation-numbers
6500 even for registers allocated by local_alloc in case
6501 they are later spilled and retry_global_alloc is called.
6502 (mark_reg_store, mark_reg_clobber,
6503 mark_reg_conflicts, mark_reg_death): Always record a
6504 conflict with a pseudo register even if it has been
6505 assigned to a hard register.
6506 (dump_conflicts): Don't list pseudo registers already assigned to
6507 a hard register as needing to be allocated, but do list their
6509 * local-alloc.c: Update comment.
6511 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6513 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6514 * configure: Rebuilt.
6516 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6518 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6520 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6521 for all targets that set -msoft-float.
6523 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6525 * toplev.c (print_switch_values): Make static to match prototype.
6527 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6529 * configure.in: If we are unable to find the "gnatbind" program,
6530 then do not configure the ada subdir.
6531 * configure: Rebuilt.
6533 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6535 * version.c: Bump for snapshot.
6537 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6539 * version.c: Bump for snapshot.
6541 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6543 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6544 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6546 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6548 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6550 * genextract.c: Have insn-extract.c include toplev.h.
6552 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6554 * toplev.c: Include expr.h.
6555 (really_sorry, fancy_abort): Remove prototypes.
6556 (set_target_switch): Add argument in prototype.
6557 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6558 (v_really_sorry): Likewise.
6559 (print_version, print_single_switch, print_switch_values): Make
6560 static and add prototype arguments.
6561 (decl_printable_name): Add prototype arguments.
6562 (lang_expand_expr_t): New typedef.
6563 (lang_expand_expr): Declare as a lang_expand_expr_t.
6564 (incomplete_decl_finalize_hook): Add prototype argument.
6565 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6566 (botch): Likewise for variable `s'.
6567 (rest_of_type_compilation): Mark variables `type' and `toplev'
6568 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6569 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6570 (display_help): Make variable `i' an `unsigned long'.
6571 (main): Remove unused parameter `envp'.
6572 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6573 Cast -1 when comparing it with a `size_t'.
6575 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6576 prototype with ATTRIBUTE_NORETURN.
6577 (fatal_insn_not_found, fatal_insn, really_sorry,
6578 push_float_handler, pop_float_handler): Add prototypes.
6579 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6580 (do_abort, botch): Add prototypes.
6582 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6584 * final.c (final): If a label is reached only from a single jump,
6585 call NOTICE_UPDATE_CC on the jump and its predecessor before
6586 emitting the insn after the label.
6588 * i386.h: Add AMD K6 support.
6589 Change TARGET_* macros to use table lookup.
6590 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6591 (ADJUST_COST): Change definition to call function in i386.c.
6592 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6593 * i386.c: Add AMD K6 support.
6594 Add constants for feature tests used by TARGET_* macros.
6595 (split_di): If before reload, call gen_lowpart and gen_highpart.
6596 (x86_adjust_cost): New function.
6597 (put_jump_code): New function.
6598 (print_operand): New codes 'D' and 'd'.
6599 * i386.md: New insn types. New insn attribute "memory".
6600 Redefine scheduling parameters to use new types and add AMD K6
6601 support. Explicitly set type of most insns.
6602 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6603 Pro and K6 prefer movl $1,reg to incl reg.
6604 (adddi3, subdi3): Set cc_status.
6605 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6606 to int; x86 can't have more than 2^31 DImode shifts per file.
6607 (setcc): Combine all setcc patterns. Allow writing memory.
6608 Combine all jump patterns using match_operator.
6609 (*bzero): Name pattern. Emit mutliple stos instructions when that
6610 is faster than rep stos.
6611 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6614 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6616 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6619 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6621 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6622 not whatever we're generating now.
6624 * alpha.c (set_frame_related_p, FRP): New.
6625 (alpha_expand_prologue): Mark frame related insns.
6626 (alpha_expand_epilogue): Likewise, but with a null FRP.
6627 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6628 * alpha.md (exception_receiver): New.
6629 * alpha/crtbegin.asm (.eh_frame): New beginning.
6630 (__do_frame_setup, __do_frame_takedown): New.
6631 * alpha/crtend.asm (.eh_frame): New ending.
6632 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6633 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6634 (ASM_FILE_START): Don't emit .file for dwarf2.
6636 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6637 * rtl.c (reg_note_name): Likewise.
6638 * rtl.texi (REG_NOTES): Likewise.
6639 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6642 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6644 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6645 * i386.md (movsf, movdf, movxf): Validate memory address returned
6646 from force_const_mem. Kill useless REG_EQUAL setting code.
6648 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6650 * m68k.md (zero_extendsidi2): Fix typo.
6652 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6654 * configure.in: Removed references to the removed file
6655 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6656 * arm*-*-netbsd* and ns32k-*-netbsd*.
6657 * config/i386/xm-netbsd.h: Removed unnecessary file.
6658 * config/m68k/xm-netbsd.h: Likewise.
6659 * config/sparc/xm-netbsd.h: Likewise.
6660 * config/mips/xm-netbsd.h: Likewise.
6662 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6664 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6665 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6667 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6668 for exact section attributions.
6670 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6672 * i386/crtdll.h (CPP_PREDEFINES): Define.
6674 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6676 * m68k.md (5200 movqi): Do not allow byte sized memory references
6678 * m68k.c (output_move_qimode): Do not use byte sized operations on
6681 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6682 explicit rules for building. Similarly for alloca, vfprintf,
6683 choose-temp and mkstemp, getopt, getopt1, and obstack.
6684 (INCLUDES): Add $(srcdir)/../include.
6685 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6686 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6688 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6690 * gcc.c (do_spec_1): [case 'o'] Account for
6691 lang_specific_extra_outfiles.
6692 (main): Correctly clear all slots in outfiles for
6693 lang_specific_extra_outfiles. Set input_file_number before
6694 calling lang_specific_pre_link.
6696 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6698 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6700 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6702 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6704 (sparc_output_deferred_case_vectors): If no work to do, return.
6705 Fix thinko in Sept 1 change.
6707 1998-09-03 SL Baur <steve@altair.xemacs.org>
6709 * Makefile.in: add semicolon in BISON definition for portability.
6711 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6713 * config/nextstep.c (handle_pragma): Correct name of third
6716 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6718 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6719 * config/m32r/m32r.h: Make register 17 be fixed.
6720 * config/m32r/m32r.c: Use SImode for cc operations.
6722 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6724 * invoke.texi (Warning Options): Add -Wnon-template-friend
6727 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6729 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6731 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6733 * rs6000.md (movsf): Disable explicit secondary-reload-like
6734 functionality if TARGET_POWERPC64.
6735 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6738 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6740 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6741 and term.h from fixinc.wrap.
6743 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6745 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6746 safe to include both string.h and strings.h together.
6747 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6748 which headers to search for function declarations. Continue to
6749 prefer string.h over strings.h when both are not acceptable.
6751 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6753 * configure.in: Call GCC_HEADER_STRING.
6755 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6756 to include. Continue to prefer string.h over strings.h when both
6759 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6761 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6762 not assume top 32-bits of symbolic addresses are zero if
6765 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6767 * ginclude/va-alpha.h: Protect entire second portion of the
6768 file against double inclusion.
6770 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6772 Added support for the Boehm's garbage collector.
6773 * configure.in: Handle --enable-objc-gc.
6774 * configure: Rebuilt.
6775 * Makefile.in (CHECK_TARGETS): Add check-objc.
6776 (check-objc): New rule.
6777 * objc/Make-lang.in: Build a different Objective-C library that
6778 runs with the Boehm's collector.
6779 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6780 * objc/encoding.c: Correctly compute the size of compound types in
6781 the presence of bitfields. Skip the variable name of the type if
6782 any. Added support for long long.
6783 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6784 (_F_GCINVISIBLE): New mask.
6785 * objc/gc.c: New file. Compute the type memory mask associated with
6786 a class based on the runtime information.
6787 * objc/misc.c: Added the hooks that use the Boehm's collector
6788 allocation functions.
6789 * objc/objc-act.c (build_class_template): Generate a new class
6790 member (gc_object_type) to hold the class' type memory mask.
6791 (build_shared_structure_initializer): Initialize the new member to
6793 (encode_complete_bitfield): New function. Generate the new
6795 (encode_field_decl): Generate the new encoding only for the GNU
6797 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6799 (class_get_gc_object_type): New function to mark a pointer instance
6800 variable as a weak pointer.
6801 * objc/objc-features.texi: New file.
6802 * objc/objc.h (gc_object_type): New class member.
6803 * objc/objects.c (class_create_instance): Create a typed memory
6804 object when compiled with Boehm's collector support.
6805 * objc/sendmsg.c (__objc_init_install_dtable): Call
6806 __objc_send_initialize instead of setting the initialize flag.
6807 (__objc_send_initialize): Call __objc_generate_gc_type_description
6808 to generate the class type memory mask. Rewrite the code that
6809 sends the +initialize so that it is called only once (bug report
6810 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6811 * testsuite/objc: New testsuite for Objective-C type encoding.
6812 * testsuite/lib/objc-torture.exp: New file.
6813 * testsuite/lib/objc.exp: New file.
6815 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6817 * jump.c (jump_optimize): In if/then/else transformations, add
6818 another call to modified_between_p for the jump insn.
6820 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6822 * fix-header.c (symlink): Treat like readlink.
6824 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6826 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6829 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6831 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6832 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6833 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6835 * config/nextstep.c (handle_pragma): Take three arguments, as per
6836 the new HANDLE_PRAGMA macro specification.
6837 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6838 per the new HANDLE_PRAGMA macro specification.
6839 * config/i960/i960.c (process_pragma): Take three arguments, as
6840 per the new HANDLE_PRAGMA macro specification.
6842 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6844 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6845 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6846 if unknown pragmas are encountered.
6847 (handle_sysv_pragma): Interpret return code from
6848 handle_pragma_token (). Return success/failure indication rather
6849 than next unprocessed character.
6850 (pragma_getc): New function: retrieves characters from the
6851 input stream. Defined when HANDLE_PRAGMA is enabled.
6852 (pragma_ungetc): New function: replaces characters back into the
6853 input stream. Defined when HANDLE_PRAGMA is enabled.
6855 * c-pragma.c (handle_pragma_token): Return success/failure status
6858 * c-pragma.h: Change prototype of handle_pragma_token().
6860 * varasm.c: (handle_pragma_weak): Only create this function if
6861 HANDLE_PRAGMA_WEAK is defined.
6863 * c-common,c (decl_attributes): If defined call the expression
6864 contained within the INSERT_ATTRIBUTES macro before adding
6865 attributes to a decl.
6867 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6868 HANDLE_PRAGMA, which takes three arguments.
6869 (INSERT_ATTRIBUTES): Document this new macro.
6871 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6872 new INSERT_ATTRIBUTES macro.
6874 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6876 * config/sparc/sparc.md (movdf): Only generate special RTL for
6877 LABEL_REFs when PIC.
6878 (move_label_di): Remove
6879 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6880 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6881 references when PIC.
6882 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6883 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6884 output an .xword for all 64-bit cases.
6886 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6888 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6889 alignment, use FUNCTION_BOUNDARY instead.
6890 (sparc_output_deferred_case_vectors): Likewise.
6892 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6894 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6895 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6897 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6899 * alpha/va_list.h: New file.
6900 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6902 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6904 * NEWS: Add SCO Openserver and Unixware 7 notes.
6908 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6910 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6911 (record_constant_1): Handle RANGE_EXPR.
6913 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6915 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6916 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6917 and NOTE_INSN_RANGE_END specially.
6918 (reemit_notes): Likewise.
6920 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6922 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6923 (ultrasparc_sched_init): Remove unneeded &.
6925 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6927 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6928 for m68020-60, to prevent the use of fintrz.
6930 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6932 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6934 * Makefile.in: Likewise.
6935 * configure: Regenerated.
6937 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6939 * configure.in (gxx_include_dir): Changed to
6940 '${prefix}/include/g++'-${libstdcxx_interface}.
6941 * configure: Rebuilt.
6943 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6945 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6947 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6948 *sequences* *below* which scalar moves will be used.
6950 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6952 * collect2.c (mktemp): Delete unused declaration.
6954 * config/xm-netbsd.h: Remove unnecessary file.
6955 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6956 file anymore, it is not needed.
6958 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6960 * convert.c (convert_to_integer): Issue an error on conversions to
6963 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6965 * Makefile.in: Add lang_tree_files and gencheck.h.
6966 * configure.in: Generate them.
6967 * gencheck.c: Include gencheck.h.
6969 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6971 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6972 movdi_lo_sum_pic and movdi_high_pic and make visible.
6973 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6974 emit these when Pmode is not SImode.
6975 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6977 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6979 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6980 .linkonce directive after the first time.
6982 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6984 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6985 the clobbered operand overlaps with an input.
6986 (bne0_di): Similarly.
6988 * Makefile.in (INSTALL): Remove "--no-header" argument.
6990 * NEWS: Various updates.
6992 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6994 * config/sparc/sparc.c (arith_operand, const64_operand,
6995 const64_high_operand, arith_double_4096_operand): Mark mode as
6997 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6999 (sparc_emit_set_const64): Remove unused variable i.
7000 (sparc_splitdi_legitimate): Likewise for addr_part.
7001 (ultra_code_from_mask): Likewise for mask.
7002 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7003 reverse return values so it matches usage and comments.
7004 (ultra_flush_pipeline): Likewise.
7005 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7006 this_type, and allow loads and stores of differing FP modes as
7007 they do not create a conflict.
7008 (ultra_find_type): Initialize fpmode to SFmode, fix
7009 parenthesization thinkos in large conditional.
7010 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7011 Init free_slot_mask after ultra_cur_hist is reset, not before.
7012 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7013 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7014 use ultra_flush_pipeline instead, then re-init group pointer.
7015 Fix statement with no effect. If no progress made in, and no
7016 instructions scheduled at all, advance to new pipeline cycle else
7017 we get into an endless loop.
7018 (ultrasparc_adjust_cost): Remove previous arg.
7019 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7021 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7023 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7024 code. Use reg_overlap_mentioned_p to detect when source and
7025 destination overlap.
7026 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7028 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7030 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7031 COMPARISON_VAL, into invariant_p.
7033 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7035 * regmove.c (regclass_compatible_p): New function.
7036 (regmove_optimize): Use it.
7038 Use NREGS parameter insted of calling max_reg_num.
7040 (fixup_match_1): Don't use code = MINUS when later tieing with
7041 a hard register is likely.
7043 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7045 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7046 COMPARISON_VAL was normalized.
7048 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7050 * loop.c (check_dbra_loop): The loop ending comparison value
7051 must be an invariant or we can not reverse the loop.
7053 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7054 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7056 (load_mems_and_recount_loop_regs_set): Likewise.
7058 * i386.c (print_operand): Remove obsolete 'c' docs.
7060 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7062 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7063 * frame.c (init_object_mutex): New function.
7064 (init_object_mutex_once): Likewise.
7065 (find_fde): Call it.
7066 (__register_frame_info): Likewise.
7067 (__register_frame_info_table): Likewise.
7068 (__deregister_frame_info): Likewise.
7070 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7072 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7074 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7076 * loop.c (check_dbra_loop): Enable code for reversal
7077 of some loops without a known constant loop end.
7079 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7081 * haifa-sched.c (last_clock_var): New.
7082 (schedule_block): Initialize it.
7083 (schedule_insn): Use it to fill insn modes with issue information.
7085 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7086 Tag trapb and next insn with TImode.
7087 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7088 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7089 Invoke alphaev5_align_insns as appropriate.
7090 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7091 (MD_SCHED_VARIABLE_ISSUE): New.
7092 * alpha.md (attr type): Add multi.
7093 (define_asm_attributes): New.
7094 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7095 (arg_home): Likewise.
7096 (fnop, unop, realign): New.
7098 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7100 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7101 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7103 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7104 (rs6000-ibm-aix4.[12]*): Likewise.
7105 * configure: Regnerate.
7107 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7109 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7110 already contains the return address.
7112 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7114 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7115 word sized hunks when loading unaligned args into registers.
7117 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7118 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7120 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7122 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7124 * loop.c (check_dbra_loop): Add some code that would allow reversal
7125 of some loops without a known constant loop end if it were enabled.
7127 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7129 * mips.md (lshrsi3_internal2+2): Fix type-o.
7131 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7133 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7134 correctly with regards to stdio.h.
7136 * calls.c: Remove stdarg.h/varargs.h.
7139 * combine.c: Likewise.
7140 * cpperror.c: Likewise.
7141 * cpplib.c: Likewise.
7142 * cpplib.h: Likewise.
7143 * doprint.c: Likewise.
7144 * emit-rtl.c: Likewise.
7145 * final.c: Likewise.
7146 * fix-header.c: Likewise.
7148 * genattr.c: Likewise.
7149 * genattrtab.c: Likewise.
7150 * gencodes.c: Likewise.
7151 * genconfig.c: Likewise.
7152 * genemit.c: Likewise.
7153 * genextract.c: Likewise.
7154 * genflags.c: Likewise.
7155 * genopinit.c: Likewise.
7156 * genoutput.c: Likewise.
7157 * genpeep.c: Likewise.
7158 * genrecog.c: Likewise.
7159 * mips-tfile.c: Likewise.
7160 * prefix.c: Likewise.
7161 * protoize.c: Likewise.
7162 * regmove.c: Likewise.
7163 * toplev.c: Likewise.
7166 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7168 * config/sparc/sparc.c (sparc_override_options): If not
7169 TARGET_FPU, turn off TARGET_VIS.
7170 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7171 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7172 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7173 (movdi_insn_sp64): Add VIS fzero alternative.
7174 (clear_sf, clear_df): New VIS patterns.
7175 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7177 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7179 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7181 * loop.c (n_times_set, n_times_used, may_not_optimize,
7182 reg_single_usage): Convert to varrays. All uses changed.
7183 (insert_loop_mem): Return a value.
7184 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7185 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7188 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7191 * configure.in: Do not set thread_file to "irix" since no such
7194 * sparc.md (float abs/neg splits): Check reload_completed before
7195 calling alter_subreg.
7197 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7199 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7201 * config/sparc/sparc.h: Declare it.
7202 * config/sparc/sparc.md (float abs/neg splits): Use it.
7203 (all other splits): Handle SUBREGs properly where necessary.
7204 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7206 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7208 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7209 an insn on the unfilled_slots_list that has no delay slots.
7210 (fill_eager_delay_slots): Similarly.
7212 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7214 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7215 as an ordinary operand.
7217 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7219 * tree.c (valid_machine_attribute): Don't apply attributes to both
7222 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7224 * reload.c (operands_match_p): Handle rtvecs.
7226 * i386.c (legitimate_pic_address_disp_p): New.
7227 (legitimate_address_p): Use it.
7228 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7229 Handle constant pool symbols just like statics.
7230 (emit_pic_move): Use Pmode not SImode for clarity.
7231 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7232 [UNSPEC]: New, handling what we killed above.
7233 [PLUS]: Detect and abort on invalid symbol arithmetic.
7234 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7236 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7238 * alias.c: Include output.h.
7239 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7240 different if we're in a varargs function.
7241 * Makefile.in (alias.o): Depend on output.h
7243 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7245 * sh.h (GIV_SORT_CRITERION): Delete.
7247 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7249 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7250 * stupid.c (stupid_life_analysis): Ditto.
7251 * reload1.c (reload): Ditto.
7253 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7255 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7256 arith_double_4096_operand, arith_double_add_operand): New
7258 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7259 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7260 them to transform add/sub 4096 into add/sub -4096.
7262 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7264 * loop.c (scan_loop): Allocate some slop to handle pseudos
7265 generated by move_movables.
7266 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7269 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7271 * tree.def (DECL_RESULT): Correct documentation.
7273 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7275 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7276 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7277 conflicts will all RELOAD_FOR_OUTPUT reloads.
7279 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7280 loads the function result, substitute with a USE.
7282 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7284 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7285 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7286 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7287 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7288 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7289 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7291 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7292 'o' to 'm' for GPR variant constraints.
7294 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7296 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7298 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7300 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7301 when the source and destination overlap.
7303 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7304 clash with global type.
7306 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7308 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7310 * c-common.c (combine_strings): Also set TREE_READONLY.
7311 Change warn_write_strings to flag_const_strings.
7312 * c-decl.c, c-tree.h: Likewise.
7314 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7316 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7317 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7318 sequence, use SET/IOR instead so CSE can see it.
7319 * config/sparc/sparc.md (movhi_const64_special,
7320 movsi_const64_special): New patterns necessitated by that change.
7321 (movhi_high): Remove.
7322 (movhi_lo_sum): Change to match an IOR.
7323 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7324 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7325 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7326 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7327 registers are involved.
7328 (snesi_zero_extend split): Remove reload_completed test.
7329 (unnamed plus and minus zero_extend sidi splits): Add it.
7331 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7333 * extend.texi: Remove description of extension to explicit
7334 instantiation that is now endorsed by standard C++.
7336 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7338 * config/arc/arc.c (arc_initialize_pic): Remove.
7339 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7340 nothing on any platform and is invoked by no-one, it does not even
7341 appear in the documentation.
7342 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7343 * config/sparc/sparc.c (initialize_pic): Likewise.
7344 (find_addr_reg): Remove this as well, no longer referenced after
7347 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7349 * recog.c (validate_replace_rtx_group): New function.
7350 * recog.h (validate_replace_rtx_group): Declare it.
7351 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7352 the entire group of substitutions.
7354 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7356 * loop.c (load_mems): Fix initializers.
7358 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7360 * config/sparc/sparc.md (TFmode splits): Handle destination
7361 registers being referenced in the address correctly.
7363 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7364 TREE_UNSIGNED, when bitsize of type's mode is larger than
7365 HOST_BITS_PER_WIDE_INT.
7367 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7369 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7370 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7371 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7373 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7376 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7378 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7379 * h8300.h (TINY_DATA_NAME_P): Likewise.
7380 (STRIP_NAME_ENCODING): Handle '&'.
7382 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7383 register (it could be accessed via an outer SUBREG).
7384 (REG_OK_FOR_BASE_P): Likewwise.
7385 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7387 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7390 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7392 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7394 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7395 must be offsettable so the splits can be made.
7397 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7399 * config/i386/winnt.c: Include system.h, not stdio.h to get
7400 sys/param.h pulled in before rtl.h in case the system defines MIN
7403 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7405 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7407 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7409 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7411 * cpplib.c (cpp_define): Handle macros with parameters.
7413 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7415 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7416 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7417 and DImode 64-bit. Use llong for minimal-toc SFmode and
7418 SYMBOL_REF / LABEL_REF 64-bit.
7419 (output_function_profiler): Use llong for profiler label and ld to
7420 load 64-bit label address.
7422 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7424 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7427 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7429 * version.c: Bump for snapshot.
7431 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7433 * version.c: Bump for snapshot.
7435 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7437 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7439 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7441 * tm.texi (Misc): Fix typo "teh".
7443 * tm.texi (PIC): Fix typo "PPIC".
7445 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7446 effect when -O2 and higher.
7447 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7449 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7451 * regclass.c: Changed register set documentation to be consistent
7454 * final.c (final_start_function) Removed redundant test for
7457 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7459 * rtl.h (rtx_function): New type.
7460 (for_each_rtx): New function.
7461 * rtlanal.c (for_each_rtx): Define it.
7463 * recog.c (change_t): New type.
7464 (change_objects, change_old_codes, change_locs, change_olds):
7466 (changes): New variable.
7467 (validate_change): Dynamically allocate room for more changes, if
7468 necessary. Uses changes array instead of change_objects, etc.
7469 (apply_change_group): Use changes array instead of
7470 change_objects, etc.
7472 * loop.c (loop_mem_info): New type.
7473 (loop_mems): New variable.
7474 (loop_mems_idx): Likewise.
7475 (looop_mems_allocated): Likewise.
7476 (scan_loop): Remove nregs parameter.
7477 (next_insn_in_loop): New function.
7478 (load_mems_and_recount_loop_regs_set): Likewise.
7479 (load_mems): Likewise.
7480 (insert_loop_mem): Likewise.
7481 (replace_loop_mem): Likewise.
7482 (replace_label): Likewise.
7483 (INSN_IN_RANGE_P): New macro.
7484 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7485 (scan_loop): Remove nregs parameter, compute it after any new
7486 registers are created by load_mems. Use INSN_IN_RANGE_P and
7487 next_insn_in_loop rather than expanding them inline. Call
7488 load_mems to load memory into pseudos, if appropriate.
7489 (prescan_loop): Figure out whether or not there are jumps from the
7490 loop to targets other than the label immediately following the
7491 loop. Call insert_loop_mem to notice all the MEMs used in the
7492 loop, if it could be safe to pull MEMs into REGs for the duration
7494 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7496 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7498 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7500 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7502 * config/sparc/sparc.c (finalize_pic): Check for the correct
7503 nonlocal_goto_receiver UNSPEC number.
7504 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7505 making note of this dependency existing in sparc.c
7506 (negtf2_notv9 split): Give NEG SFmode.
7507 (negsf2): Fix insn output string.
7509 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7511 * c-common.c (decl_attributes): Issue an error if the argument
7512 to alias is not a string.
7514 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7516 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7517 pending memory flush list.
7519 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7521 (try_combine): Allow combining insns with REG_LIBCALL notes.
7523 * expr.c (emit_block_move): Do not call memcpy as a libcall
7524 instead build up a CALL_EXPR and call it like any other
7526 (clear_storage): Similarly for memset.
7528 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7531 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7534 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7535 and REG_LIVE_LENGTH as successful substitutions are made.
7537 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7539 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7540 statement after end of loop label.
7542 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7544 * config/sparc/sparc.c (ultra_types_avail): New variable.
7545 (ultra_build_types_avail): New function to record mask of insn
7546 types in ready list at this cycle.
7547 (ultrasparc_sched_reorder): Call it.
7548 (ultra_find_type): Use it to quicken the search. Also simplif
7549 dependency check, don't use rtx_equal_p because we know exactly
7550 what we are looking for.
7552 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7554 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7555 for architecture v4.
7557 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7559 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7561 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7562 movdf_const_intreg and helper splits): New patterns to move float
7563 constants into integer registers.
7564 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7567 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7570 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7572 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7574 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7575 a BASE_REGS register is needed as an intermediate when copying
7576 a symbolic value into any register class other than BASE_REGS.
7578 * expr.c (move_by_pieces): No longer static. Remove prototype.
7579 * rtl.h (move_by_pieces): Add extern prototype.
7580 * mips.c (expand_block_move): Handle aligned straight line copy by
7581 calling move_by_pieces.
7583 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7586 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7588 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7589 jumps out of the loop to be treated as part of the exit test.
7591 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7592 Jeff Law <law@cygnus.com>
7594 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7595 * cplus-dem.c: Delete.
7597 * Makefile.in (fold-const.o): depend on $(RTL_H).
7599 * fold-const.c: Include rtl.h to get the prototype for
7600 `set_identifier_local_value'.
7602 * loop.c (express_from_1): Remove unused variable `tmp'.
7603 (combine_givs): cast the first argument of bzero to char *.
7605 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7607 * c-decl.c (init_decl_processing): Remove unneeded &.
7609 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7611 * except.c (set_exception_lang_code, set_exception_version_code):
7612 Change parameter from `short' to `int' to avoid using a gcc
7615 * except.h (set_exception_lang_code, set_exception_version_code):
7616 Likewise for prototypes.
7618 * flow.c (count_reg_references): Remove unused variables `regno'
7621 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7623 * prefix.c (translate_name): Cast the result of `alloca'.
7625 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7627 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7629 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7631 (valid_dbcc_comparison_p): Mark mode argument as unused.
7632 (symbolic_operand): Likewise.
7633 (legitimize_pic_address): Likewise.
7634 (const_uint32_operand): Likewise.
7635 (const_sint32_operand): Likewise.
7636 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7637 schedule_insns and comment out rest of file.
7639 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7641 (output_move_[hq]imode): Likewise.
7643 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7645 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7646 * invoke.texi: Corresponding changes.
7648 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7650 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7652 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7654 * config/sparc/sparc.c (ultra_code_from_mask,
7655 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7656 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7657 ultrasparc_sched_init, ultrasparc_variable_issue,
7658 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7659 functions to describe UltraSPARC pipeline exactly to Haifa.
7660 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7661 as there is nothing the scheduler can do about it. Indicate that
7662 REG_DEP_OUTPUT's collide. Fixup formatting.
7663 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7664 divide costs on Ultra for DImode.
7665 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7667 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7668 ieuN and add call_no_delay_slot to type list.
7669 (cti function unit): New unit for branches on UltraSPARC.
7670 (subx/addx insns): Set type to misc.
7671 (sidi zero/sign extension insns on arch64): Set type to shift.
7672 (sign_extendhidi2_insn): Set type to sload.
7674 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7676 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7677 (output_epilog): Use if != 0 for offset.
7678 (rs6000_fatal_bad_address): Prepare for Intl.
7679 * rs6000.h (rs6000_fatal_bad_address): Declare.
7680 * rs6000.md (movsfcc, movdfcc): Use else if.
7681 (elf_high): Use {liu|lis}.
7682 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7683 (movsi): Use rs6000_fatal_bad_address.
7685 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7687 * reload.c (find_equiv_reg): Reject equivalences separated
7688 by a volatile instruction.
7690 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7692 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7694 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7696 * alpha.md (movsicc): Fix mode mismatch.
7698 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7700 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7702 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7704 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7706 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7707 write-only modifier from operand 1 constraint.
7709 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7711 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7712 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7714 (sparc_emit_set_const64): Likewise, also when computing trailing
7715 bits do not negate low_bits and make fast_int an int.
7717 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7719 * loop.c (add_label_notes): Do not ignore references to labels
7720 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7721 * gcse.c (add_label_notes): Similarly.
7723 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7725 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7726 (adddi_dishl32): Similarly.
7728 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7730 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7731 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7732 * cse.c (cse_basic_block): Add parens to shut up warnings.
7734 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7736 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7737 sparc_emit_set_const64_longway, const64_is_2insns,
7738 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7739 in 64-bit constant formation.
7740 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7741 rtl for addx not subx.
7742 (define_insn movdi_const64_special): Make available even when
7743 HOST_BITS_PER_WIDE_INT is not 64.
7744 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7745 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7746 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7747 instances of operand 1 inside a QI subreg.
7748 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7749 (one_cmpldi2_sp64): Fix output string.
7750 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7752 (unnamed arch64 ashift DI): Truncate shift count if greater than
7755 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7757 * expr.c (store_expr): Don't optimize away load-store pair
7758 when either source or destination have a side effect.
7760 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7762 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7763 operands of SET are incompatible.
7765 * alpha.md: Fix max and min patterns so modes of SET operands match.
7767 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7769 * configure.in: Avoid [[ by using test and changequote.
7770 * configure: Rebuild.
7772 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7774 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7776 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7777 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7778 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7779 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7780 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7781 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7782 Fix mismatching modes in SET operands.
7783 (conditional move patterns): Fix formatting.
7784 (unnamed subx arch64 pattern): Remove duplicate insn.
7786 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7788 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7789 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7790 (input_operand): Fixup test for what we accept for constant
7792 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7794 (safe_constDI): Remove.
7795 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7796 gen_safe_XOR64): New functions.
7797 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7798 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7800 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7801 available when HOST_BITS_PER_WIDE_INT is not 64.
7802 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7803 move before movdi_insn_sp64 pattern.
7804 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7805 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7806 symbolic_operand as predicate for second operand.
7807 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7808 expander): Give set VOIDmode.
7810 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7812 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7814 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7816 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7818 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7820 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7822 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7824 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7826 * install.texi: Various SCO OpenServer tweaks.
7828 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7830 * reload1.c (eliminate_regs_in_insn): Handle another case when
7831 eliminating the frame pointer to the hard frame pointer. Add
7832 missing ep->to_rtx check to one existing case.
7834 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7836 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7838 * tree.h: De-conditionalize init_priority code.
7840 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7841 * collect2.c (NM_FLAGS): Change from -p to -n.
7843 * configure.in: Turn on collect2 for mipstx39-elf.
7844 Handle use_collect2=no properly.
7846 * c-common.c: De-conditionalize init_priority code.
7847 * collect2.c (extract_init_priority, sort_ids): New fns.
7848 (main): Call sort_ids.
7849 Move sequence_number to file scope.
7851 * configure.in: Handle --enable-init-priority.
7852 * c-common.c (attrs): Add A_INIT_PRIORITY.
7853 (init_attributes, decl_attributes): Likewise.
7854 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7855 * tree.c (get_file_function_name_long): Split out...
7856 (get_file_function_name): ...from here.
7858 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7860 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7863 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7865 * toplev.c (display_help): Add braces to shut up warnings.
7866 * tree.c (simple_cst_equal): Likewise.
7868 * fold-const.c (non_lvalue): Don't deal with null pointer
7870 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7872 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7873 of any size to a pointer.
7875 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7877 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7879 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7881 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7882 which will be saved.
7883 * mn10300.md (prologue insn): Only save registers which need saving.
7884 (epilogue insn): Similarly.
7886 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7889 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7891 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7892 VAR_DECL's in gp addressable sections.
7894 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7896 * sparc.c: Change return <exp> to <exp>; return; in functions
7898 * sparc.md: Add empty semicolon statement after final label in
7901 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7903 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7904 addx_extend_sp64, only allow when TARGET_ARCH64.
7905 (define_insn addx_extend_sp32 and split): Version that works when
7907 (define_insn subx_extend): Likewise.
7908 (define_split adddi3 and subdi3 with zero extension): Fixup and
7909 correct bugs when not TARGET_ARCH64.
7911 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7913 * except.c (set_exception_lang_code, set_exception_version_code):
7914 Use prototype-style definition if __STDC__, to match declaration
7917 * genemit.c: Change FAIL and DONE macros not to use loops.
7919 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7921 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7922 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7924 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7926 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7928 * README.g77: Update from Craig.
7930 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7932 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7934 (safe_constDI sparc_emit_set_const64_quick1,
7935 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7936 analyze_64bit_constant, const64_is_2insns,
7937 create_simple_focus_bits): Fix some bugs when compiled on real
7939 (function_arg_record_value_3, function_arg_record_value_2,
7940 function_arg_record_value): Add fully prototyped forward decls.
7941 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7942 to cmpsi_insn and use on both 64 and 32 bit targets.
7943 (define_insn cmpsi_insn_sp64): Remove.
7944 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7945 (define_insn zero_extendsidi2_insn): Rename to
7946 zero_extendsidi2_insn_sp64.
7947 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7948 assosciated forced split for it.
7950 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7952 * config/sparc/sparc.h: Declare them.
7953 (PREDICATE_CODES): Add them.
7954 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7955 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7957 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7959 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7960 in v9 case as the latter makes the Solaris assembler crash.
7962 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7964 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7965 for TFmode when !v9. We require offsettable memory addresses.
7966 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7967 DFmode register number conversions.
7968 * config/sparc/sparc.md (define_split DFmode moves): If register
7969 is a SUBREG do alter_subreg on it before using.
7970 (define_expand movtf): Fixup comment about alignment on v9.
7971 (define_split TFmode moves): Don't use gen_{high,low}part, create
7972 explicit SUBREGs instead.
7974 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7976 * Makefile.in (mbchar.o): Depend on mbchar.c.
7978 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7979 Richard Henderson <rth@cygnus.com>
7981 Rewrite Sparc backend for better code generation and
7982 improved sparc64 support.
7983 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7985 * config/sparc/sysv4.h: Likewise.
7986 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7987 move_operand, v8plus_regcmp_op, emit_move_sequence,
7988 singlemove_string, doublemove_string, mem_aligned_8,
7989 output_move_double, output_move_quad, output_fp_move_double,
7990 move_quad_direction, output_fp_move_quad, output_scc_insn):
7992 (small_int_or_double): New predicate.
7993 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7994 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7995 old pic_{sethi,lo_sum}_si patterns.
7996 (mem_min_alignment): New generic function to replace
7997 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7998 available and can test for arbitrary alignments. All callers
8000 (save_regs, restore_regs, build_big_number,
8001 output_function_prologue, output_cbranch, output_return,
8002 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8003 sparc_flat_output_function_epilogue): Prettify
8005 (output_function_epilogue): Likewise and add code to output
8006 deferred case vectors.
8007 (output_v9branch): Likewise, add new arg INSN and use it to tack
8008 on branch prediction settings. All callers changed.
8009 (print_operand): Likewise and output %l44 for LO_SUMs when
8011 (sparc_splitdi_legitimate): New function to make sure DImode
8012 splits can be run properly when !arch64.
8013 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8014 Reformat example code in comments.
8015 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8016 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8017 of deferred case vectors we need to output.
8018 (sparc_defer_case_vector): Record a case vector.
8019 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8020 sparc_output_deferred_case_vectors): New functions to output them.
8021 (sparc_emit_set_const32): New function to form 32-bit constants in
8022 registers when that requires more than one instruction.
8023 (safe_constDI, sparc_emit_set_const64_quick1,
8024 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8025 analyze_64bit_constant, const64_is_2insns,
8026 create_simple_focus_bits, sparc_emit_set_const64): New functions
8027 which do the same for 64-bit constants when arch64.
8028 (sparc_emit_set_symbolic_const64): New function to emit address
8029 loading for all code models on v9.
8030 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8031 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8032 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8033 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8034 inaccuracies in comments, add symbolic and text_segment operands
8035 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8036 GENERAL_REGS in these cases as a temp REG is needed to load these
8037 addresses into a register properly.
8038 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8040 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8041 quads are guarenteed to have 16-byte alignment.
8042 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8043 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8044 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8045 deferred case vector implementation.
8046 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8047 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8048 Generate "internal label - label" instead of "label - 1b".
8049 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8050 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8051 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8053 (doublemove_string, output_block_move, output_fp_move_double,
8054 output_fp_move_quad, output_move_double, output_move_quad,
8055 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8056 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8057 (sparc_emit_set_const32, sparc_emit_set_const64,
8058 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8059 mem_min_alignment, small_int_or_double): Add externs.
8060 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8061 UNSPEC_VOLATILE in this backend.
8062 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8063 unary to types which execute in it.
8064 (define_function_unit ieu_shift): Rename to ieu0.
8065 (define_function_unit ieu1): New, executes compare, call, and
8066 uncond_branch type insns.
8067 (define_function_units for type fdivs, fdivd, fsqrt): These
8068 execute in the fpu multiply unit not the adder on UltraSparc.
8069 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8070 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8071 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8072 allows the arith_double_operand predicate and rHI constraint when
8074 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8075 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8076 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8077 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8078 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8079 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8080 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8081 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8082 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8083 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8084 sign_extendqihi2_insn, sign_extendqisi2_insn,
8085 sign_extendqidi2_insn, sign_extendhidi2_insn,
8086 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8087 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8088 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8089 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8090 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8091 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8092 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8093 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8094 smulsi3_highpart_v8plus, unnamed subreg mult,
8095 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8096 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8097 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8098 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8099 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8100 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8101 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8102 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8103 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8104 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8105 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8106 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8107 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8108 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8109 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8110 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8111 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8112 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8113 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8114 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8115 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8116 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8117 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8118 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8119 call_address_untyped_struct_value_sp32,
8120 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8121 call_value_symbolic_sp32, call_value_address_sp64,
8122 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8123 flush_register_windows, goto_handler_and_restore,
8124 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8125 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8126 return_addsi, return_di, return_adddi, return_sf, all call+jump
8127 peepholes, trap, unnamed trap insns): Prettify output strings.
8128 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8129 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8130 Likewise and force + implement splits for integer cases.
8131 (define_insn return_sf_no_fpu): Likewise and allow to match when
8132 no-fpu because of our subreg SFmode splits.
8133 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8134 zero_extendqidi2_insn, zero_extendhidi2_insn,
8135 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8136 input_operand for second operand.
8137 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8138 reg_or_0_operand for operand 2 so new splits can use it.
8139 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8140 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8142 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8143 CONST_DOUBLEs for operand 2.
8144 (define_insn move_label_di): Likewise and label distance
8145 optimization because it no longer works with new deferred case
8146 vector scheme. To be revisited.
8147 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8148 and allow reg_or_0_operand and J constraint for second operand.
8149 (define_insn jump): Set branch predict taken on V9.
8150 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8151 new deferred case vector scheme.
8152 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8153 (define_insn negdi2_sp32): Force + implement splits.
8154 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8155 one_cmplsi2_not_liveg0 respectively, and create expander of original
8156 names which emit special rtl for TARGET_LIVE_G0.
8157 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8158 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8159 gen_compare_reg, FAIL instead.
8160 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8161 values when trying to reverse condition codes, if they FAIL then
8163 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8164 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8165 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8166 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8167 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8168 set output string to # to indicate they are mandatory splits.
8169 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8170 pic_sethi_di, move_pic_label_si): Remove.
8171 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8172 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8174 (define_expand movsi_pic_label_ref, define_insn
8175 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8176 expander and insns to handle PIC label references and deferred
8178 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8180 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8181 Rewrite to not use emit_move_sequence, make use of new constant
8182 formation code, and new splits for all multi-insn cases.
8183 (define_insn movqi_insn): Remove sethi case, it can never happen.
8184 Use reg_or_zero_operand instead of const0_rtx explicit test,
8185 use input_operand instead of move_operand for source, and use
8186 general_operand now for dest.
8187 (define_insn movhi_insn): Similar but leave sethi case.
8188 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8189 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8190 movhi_lo_sum respectively, prettify output string.
8191 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8192 register when needed on TARGET_LIVE_G0.
8193 (define_insn movsi_insn): Use general_operand and input_operand
8194 for dest and src respectively. Simplify applicability test.
8195 Prettify output strings, and add clr alternative for J
8197 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8198 deprecated std and reg-reg DI moves): Remove and...
8199 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8200 implementation which uses forced splits for all non-single insn
8202 (define_split DI move cases on !arch64): New splits to handle all
8203 situations of 64-bit double register DImode on 32bit, and
8204 unaligned registers and memory addresses for all subtargets.
8205 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8207 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8208 input_operand for dest and src respectively, prettify output
8210 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8211 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8213 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8214 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8215 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8216 movtf_no_e_insn_sp64) Replace with new
8217 implementation which uses forced splits for all non-single insn
8219 (define_split DF move cases): New splits in similar vein to DI
8221 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8222 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8223 movdi_sp64_insn): Remove old v9 code model and constant loading
8225 (define_insn pic_lo_sum_di, pic_sethi_di,
8226 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8227 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8228 embmedany_sethi, embmedany_losum, embmedany_brsum,
8229 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8230 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8231 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8232 scheme, using unspecs, secondary reloads, and one to one sparc
8233 insn to rtl insn mapping for better scheduling and code gen.
8234 (define_expand reload_indi, reload_outdi): Reload helpers for
8235 MEDANY and EMBMEDANY symbol address loading cases which require a
8237 (define_expand movsicc): Remove v8plus_regcmp cases.
8238 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8239 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8240 cmp_diqi_trunc_set): New patterns used by some of the new scc
8242 (define_insn xordi3_sp64_dbl): New pattern used for constant
8243 formation when crossing from 32-bit targets.
8244 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8246 (define_insn addx, subx): Make visible and prettify.
8247 (define_insn adddi3_insn_sp32): Likewise and force split.
8248 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8249 64bit scc split usage.
8250 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8251 zero_extend, subdi3): Force and implement splits.
8253 * final.c (final_scan_insn): Don't output labels if target
8254 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8257 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8258 don't forget to walk inside SEQUENCESs too as these are what the
8259 delay slot scheduler will create.
8261 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8263 * alpha.md (extxl+1,+2): New patterns to work around
8266 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8268 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8269 caused bad assembly code to be generated.
8271 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8273 * netbsd.h: Fix typo.
8275 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8277 * config.sub: Fix typo.
8279 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8281 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8283 (Running Protoize): Typo: Change "ther" into "other".
8285 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8287 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8288 * m68k/netbsd.h: Likewise.
8289 * ns32k/netbsd.h: Likewise.
8290 * sparc/netbsd.h: Likewise.
8292 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8294 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8295 * ginclude/va-clipper.h (va_list): Likewise.
8297 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8299 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8300 load/store multiple instructions unless user overrides.
8302 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8304 * ns32k/netbsd.h: Fix typo.
8306 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8308 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8309 labels with .debugsym if no parallel insns.
8311 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8313 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8314 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8316 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8318 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8319 (AR_FOR_TARGET): Define.
8321 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8323 * dyn-string.h: New file.
8324 * dyn-string.c: Likewise.
8325 * Makefile.in (OBJS): Add dyn-string.o.
8326 (dwarf2out.o): Add dyn-string.h dependency.
8327 (dyn-string.o): List dependencies.
8328 * dwarf2out.c: Include dyn-string.h.
8329 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8330 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8331 prototype. Use dyn_string_append rather than strcat, throughout.
8332 (addr_to_string): Use dyn_string_t.
8334 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8336 Function entry/exit profiling instrumentation:
8337 * expr.h (profile_function_entry_libfunc,
8338 profile_function_exit_libfunc): Declare new variables.
8339 * optabs.c: Define them here.
8340 (init_optabs): Initialize them.
8341 * tree.h (struct tree_decl): New flag
8342 no_instrument_function_entry_exit.
8343 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8344 * c-decl.c (duplicate_decls): Merge it.
8345 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8346 (init_attributes): Use it for "no_instrument_function".
8347 (decl_attributes): Handle it, for functions that have not yet been
8348 compiled. Set decl flag.
8349 * flags.h (flag_instrument_function_entry_exit): Declare new
8351 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8352 (f_options): New option "instrument-functions".
8353 * function.h (struct function): New field instrument_entry_exit.
8354 * function.c (current_function_instrument_entry_exit): New
8356 (push_function_context_to, pop_function_context_from): Save and
8358 (expand_function_start): Set current_ variable, maybe emit return
8359 label and entry profile call.
8360 (expand_function_end): Maybe emit exit profile call.
8362 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8364 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8365 NON_QI_REG_P, pretend the register is SImode.
8367 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8369 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8370 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8371 manufacturer id for ns32k.
8372 * configure: Regenerated.
8373 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8374 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8375 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8376 * config/m68k/netbsd.h: Same.
8377 * config/ns32k/netbsd.h: Same.
8378 * config/sparc/netbsd.h: Same.
8380 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8382 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8383 or UNROLL_COMPLETELY loop that starts with a jump to its
8386 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8388 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8389 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8390 (print_operand, case 'B'): Don't fall through.
8391 (print_operand, case 'S'): Correct mask begin/end computation.
8392 Use HOST_BITS_PER_WIDE_INT.
8393 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8394 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8395 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8396 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8398 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8400 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8401 constraint from second alternative.
8403 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8405 * configure.in: Fix --without/--disable cases for local-prefix,
8406 gxx-include-dir and checking.
8408 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8410 * configure.in (enable_haifa): Set by default for sparc64 too.
8413 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8415 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8416 * i386/winnt.c (associated_type): New fn.
8417 (i386_pe_valid_type_attribute_p): New fn.
8418 (i386_pe_check_vtable_importexport): Remove.
8419 (i386_pe_dllexport_p): Use associated_type.
8420 (i386_pe_dllimport_p): Likewise.
8422 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8423 * i386.c (i386_valid_type_attribute_p): Also accept
8424 attributes for METHOD_TYPEs.
8426 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8428 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8430 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8432 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8434 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8435 them from generating a new base name for each occurence of
8438 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8440 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8442 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8446 * cplus-dem.c (type_kind_t): New type.
8447 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8448 on this paramter, rather than demangling the type again.
8449 (demangle_integral_value): Pass tk_integral.
8450 (demangle_template_: Pass the value returned from do_type.
8451 (do_type): Return a type_kind_t. Pass tk_integral to
8452 demangle_template_value_parm for array bounds.
8453 (demangle_fund_type): Likewise.
8455 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8457 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8460 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8462 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8464 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8466 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8468 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8471 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8473 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8474 (DEBUGGER_ARG_OFFSET): Likewise.
8476 * mn10300.md (movsf): Remove last change. Not needed.
8478 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8480 * c-lex.c (yylex): Fix boundary conditions in character literal and
8481 string literal loops.
8483 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8485 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8486 being invoked incorrectly.
8488 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8489 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8491 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8492 * configure.in: Added i[34567]86-*-win32
8493 * config.sub: Ditto.
8494 * configure: Rebuilt.
8496 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8498 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8499 the frame pointer and compiling PIC code and reload has not completed.
8501 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8504 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8506 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8508 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8510 * Makefile.in (install-info): Only try to update the info
8511 directory file if it exists in the first place.
8513 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8515 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8517 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8519 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8520 CONST_DOUBLE source.
8522 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8524 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8525 strings as the insertion of USER_LABEL_PREFIX.
8526 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8528 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8531 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8533 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8534 already defined type.
8536 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8538 * expr.c (check_max_integer_computation_mode): Allow conversions
8539 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8540 (expand_expr): Likewise.
8542 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8544 * expr.c (expand_expr): Expand RETURN_EXPR.
8546 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8548 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8550 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8552 * dwarf2out.c (output_aranges): Call stripattributes
8553 for TEXT_SECTION references.
8554 (output_line_info): Likewise.
8556 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8558 * profile.c (branch_prob): Call allocate_reg_info after outputting
8559 profile rtl in instrument_arcs.
8561 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8563 * fixinc.irix (math.h): Install wrapper instead of copying.
8565 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8567 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8568 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8569 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8570 lang_flag_0. Added documentation in the flag table.
8572 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8574 * cccp.c (do_include): Fix vax c style include handling.
8576 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8578 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8580 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8582 * fold-const.c (non_lvalue): Don't deal with null pointer
8584 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8586 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8588 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8589 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8590 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8591 (u_short_cint_operand): Same.
8592 (reg_or_cint_operand): Same.
8593 (logical_operand): Same.
8594 (input_operand): Same.
8595 (reg_or_short_operand): Use u_short_cint_operand.
8597 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8599 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8600 but keep the insns and splits. Adjust so when the ultimate destination
8601 is memory, use cvtql.
8603 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8605 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8607 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8609 * gcc.c (do_spec): Call "error" not "warning".
8611 * configure.in: Fix minor problems with gas feature detection code.
8612 * configure: Rebuilt.
8614 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8617 * gcc.c: Delete %[spec] support.
8618 (do_spec_1, case '('): Likewise.
8619 (do_spec_1, case '['): Call error.
8621 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8623 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8624 (CPP_SUBTARGET_SPEC): Default to empty string.
8625 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8626 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8627 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8628 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8630 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8631 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8632 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8633 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8634 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8635 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8636 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8637 * alpha/vxworks.h: Likewise.
8639 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8641 * mips.md (reload_outsi): Added missing REGNO call.
8642 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8644 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8645 another match_operator and compare the codes.
8647 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8649 * MIPS multiply pattern fixes:
8650 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8651 Add union classes for HI, LO, or HILO plus general registers.
8652 (GENERATE_MADD): Deleted.
8653 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8654 Add TARGET_MAD to condition.
8655 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8656 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8657 "*d" for accumulator, to give preference to LO initially but not
8660 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8662 * configure.in (enable_c_mbchar): New configure option.
8663 (extra_cpp_objs): Always available now.
8665 * cexp.y (mbchar.h): #include it.
8666 (yylex): Handle Multibyte characters in character literals.
8668 * cccp.c (mbchar.h): #include it.
8669 (main): Set character set based on LANG environment variable.
8670 (rescan): Handle multibyte characters in comments.
8671 (skip_if_group): See above.
8672 (validate_else): See above.
8673 (skip_to_end_of_comment): See above.
8674 (macarg1): See above.
8675 (discard_comments): See above.
8676 (rescan): Handle multibyte characters in string and character literals.
8677 (collect_expansion): See above.
8678 (skip_quoted_string): See above.
8679 (macroexpand): See above.
8680 (macarg1): See above.
8681 (discard_comments): See above.
8682 (change_newlines): See above.
8684 * c-lex.c (mbchar.h): #include it.
8685 (GET_ENVIRONMENT): New macro.
8686 (init_lex): Set character set based on LANG environment variable.
8687 (yylex): Handle multibyte characters in character literals.
8688 (yylex): Handle multibyte characters in string literals.
8690 * Makefile.in (mbchar.o): New target.
8691 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8692 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8694 * mbchar.[ch]: New files for multibyte character handling.
8696 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8698 * jump.c (jump_optimize): When simplifying noop moves and
8699 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8700 the PUSHes to rewrite in second loop as we did in the first.
8702 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8704 * cplus-dem.c (demangle_nested_args): Make function definition
8705 static to match the prototype.
8707 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8709 * alloca.c: Respect USE_C_ALLOCA.
8710 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8711 * gengenrtl.c (xmalloc): Likewise.
8713 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8715 * loop.h (struct induction): Add no_const_addval.
8716 * loop.c (the_movables, reg_address_cost): New variables.
8717 (init_loop): Init reg_address_cost.
8718 (loop_optimize): Call end_alias_analysis.
8719 (scan_loop): Init the_movables.
8720 (record_giv): Init induction->no_const_addval.
8721 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8722 [REG]: Rearrange loop search test to catch more cases.
8723 (general_induction_var): Return success not benefit; take an extra
8724 argument for that. Change all callers.
8725 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8726 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8727 [default]: Search the_movables for additional combinations.
8728 (sge_plus_constant, sge_plus): New functions.
8729 (express_from_1): New function.
8730 (express_from): Always define. Rewrite using express_from_1.
8731 (combine_givs_p): Handle more cases. Ignore address cost.
8732 (cmp_combine_givs_stats): New function.
8733 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8734 (combine_givs): Rewrite to do best-fit combination.
8736 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8737 (fold): Do a complete (A*C)+(B*C) association check.
8739 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8741 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8743 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8745 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8747 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8749 * tree.c (valid_machine_attribute): Only create a new type variant if
8750 there is a decl to use it.
8752 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8754 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8757 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8759 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8762 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8764 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8765 Simplify tests for clearing an address register.
8766 (expand_prologue): Corresponding changes.
8768 * mn10300.md (movXX patterns): Make sure the destination is an
8769 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8770 (logical patterns): Split into expanders + patterns
8771 (zero and sign extension patterns): Similarly.
8772 (shift patterns): Similarly.
8774 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8776 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8777 for the sequence, recording base values.
8779 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8781 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8783 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8785 * gcc.c: Remove ANSI-C ism from --help code.
8787 * toplev.c: Support --help with USE_CPPLIB.
8789 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8791 * configure.in: Rework gas feature code to work with symlink based
8794 * extend.texi: Clarify some issues related to local variables
8795 assigned to explicit registers.
8797 * mn10300.md (mulsi): Turn into expander + pattern.
8799 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8802 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8804 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8806 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8808 * version.c: Bump again to distinguish mainline tree from the
8811 See ChangeLog.0 for earlier changes.
8814 add-log-time-format: current-time-string
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