1 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
3 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
4 allocate memory that will live beyond this function.
5 (expand_call): Free it here.
7 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
9 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
10 integer data not destined for fp regs.
11 (LEGITIMIZE_RELOAD_ADDRESS): New.
13 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
14 Richard Henderson <rth@cygnus.com>
16 Support for Hypersparc and Sparclite86x:
17 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
18 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
19 (ASM_CPU32_DEFAULT_SPEC): Likewise.
20 (TARGET_CPU_DEFAULT): Likewise.
21 (enum processor_type): Likewise.
22 (CPP_ENDIAN_SPEC): Handle little endian data.
23 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
24 (ADJUST_COST): Call sparc_adjust_cost.
25 * sparc.c (sparc_override_options): Fix up for the new targets.
26 (supersparc_adjust_cost): Make static.
27 (hypersparc_adjust_cost): New.
28 (ultrasparc_adjust_cost): Make static.
29 (sparc_adjust_cost): New.
30 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
31 (function_unit): Add hypersparc scheduling rules.
33 * configure.in (with_cpu handler): Recognize hypersparc.
35 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
37 * config/c4x/c4x.c: Added space after negation operator.
38 * config/c4x/c4x.h: Likewise.
39 * config/c4x/c4x.md: Likewise.
41 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
43 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
45 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
47 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
48 when a test can't be performed due to limited width of
49 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
50 Fix UDIV case for cases where the first operand has the highest bit
53 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
55 * pa.h (reg_class): Add FPUPPER_REGS.
56 (REG_CLASS_NAMES): Similarly.
57 (REG_CLASS_CONTENTS): Similarly
58 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
59 (FP_REG_CLASS_P): Likewise.
60 (REG_CLASS_FROM_LETTER): Similarly.
61 (CLASS_MAX_NREGS): Similarly.
63 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
65 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
66 for a typedef of bool. Make sure to have a copy of the file is
67 in place before we look to fix it. Fix typo in variable name to
70 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
72 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
73 value_mode for the return mode.
75 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
77 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
80 * config/tm-dwarf2.h: New file.
82 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
84 * h8300.h (ASM_OUTPUT_LABELREF): Define.
86 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
87 * local-alloc.c (update_equiv_regs): Corresponding changes.
88 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
90 * calls.c (special_function_p): Push alloca test inside the large
91 conditional which excludes functions not at file scope or not
94 * calls.c (special_function_p): New function broken out of
96 (precompute_register_parameters): Likewise.
97 (store_one_arg): Likewise.
98 (store_unaligned_argumetns_into_pseudos): Likewise.
99 (save_fixed_argument_area): Likewise.
100 (restore_fixed_argument_area): Likewise.
101 (expand_call): Corresponding changes.
103 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
105 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
107 (const_sint32_operand): Likewise.
109 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
111 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
112 is a macro when deciding if we can use `jmp_buf' in prototypes.
114 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
116 * config/c4x/c4x.md (addqi3): If the destination operand is
117 a hard register other than an extended precision register,
118 emit addqi3_noclobber.
119 (*addqi3_noclobber_reload): New pattern added so that reload
120 will recognise a store of a pseudo, equivalent to the sum
121 of the frame pointer and a constant, as an add insn.
123 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
125 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
126 * configure: Rebuilt.
127 * i386/xm-go32.h: Define LIBSTDCXX.
129 * i386/go32.h (MD_EXEC_PREFIX): Define.
130 (FILE_NAME_ABSOLUTE_P): Define.
131 (LINK_COMMAND_SPEC): Define.
133 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
135 * expr.c (store_expr): If the lhs is a memory location pointed
136 to be a postincremented (or postdecremented) pointer, always
137 force the rhs to be evaluated into a pseudo.
139 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
141 * real.c (mtherr): Print more reasonable warning messages.
143 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
145 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
147 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
148 (new_include_prefix): Constify char* parameters.
150 * cppfiles.c (read_name_map): Likewise.
151 (append_include_chain): Likewise. Also, use a writable char* copy
152 of parameter `dir' which we then modify, rather than using the
153 parameter itself to store the new writable string.
154 (remap_filename): Constify some variables. Also, use a writable
155 char* to store an allocated string which we will be modifying.
157 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
158 (cpp_start_read): Constify variable `str'.
160 * cpplib.h (append_include_chain): Constify a char* parameter.
162 * gcc.c Include prefix.h, don't prototype prefix.c functions.
163 (add_prefix, save_string): Constify char* parameters.
164 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
166 * prefix.c: Include prefix.h.
167 (get_key_value, translate_name, save_string, update_path,
168 set_std_prefix): Constify various char* parameters and variables.
169 (save_string): Use xmalloc, not malloc.
170 (translate_name): Use a writable temporary variable to create and
171 modify a string before setting it to a const char*.
173 * prefix.h: New file to prototype functions exported from prefix.c.
175 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
177 * cpplib.c (skip_if_group): Split out the logic that handles
178 directive recognition to its own function. Don't use
179 parse markers; use a bare pointer into the buffer. Use
180 copy/skip_rest_of_line instead of doing it by hand. Remove
181 `return on any directive' mode which was never used, and take
183 (consider_directive_while_skipping): New function, subroutine
184 of skip_if_group. Logic streamlined a bit.
185 (conditional_skip, do_elif, do_else): Call skip_if_group with
188 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
190 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
193 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
195 * extend.texi (Bound member functions): Document.
197 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
199 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
200 lang_to_string, type_to_string): Make return type const char*.
201 (print_symbol): Apply `const' keyword to a char*.
202 (print_file_desc): Cast structure member `crfd' to ulong when
203 comparing against one.
205 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
206 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
207 (progname, input_name): Apply `const' keyword to a char*.
208 Don't redundantly include sys/stat.h.
209 (alloc_info): Apply `const' keyword to a char*.
210 (st_to_string, sc_to_string): Likewise.
211 (hash_string): Cast variable `hash_string' to a symint_t when
212 comparing against one.
213 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
214 Likewise cast it to long when comparing against one.
215 (add_local_symbol): Apply `const' keyword to a char*.
216 (add_ext_symbol): Likewise.
217 (add_unknown_tag): Likewise.
218 (add_procedure): Cast a printf-style field width to an int.
219 (add_file): Cast PAGE_USIZE to long when comparing against one
220 (parse_begin): Cast a printf-style field width to an int.
221 (parse_bend): Likewise.
222 (parse_def): Likewise.
223 (parse_end): Likewise.
224 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
225 (parse_stabs_common): Fix format specifier.
226 (parse_input): Change type of variable `i' to Size_t.
227 (write_object): Fix arguments to match format specifiers.
228 Cast variable `num_write' to long when comparing against one.
229 (read_seek): Cast variable `sys_read' to symint_t when comparing
230 against one. Fix arguments to match format specifiers. Cast
231 variable `size' to long when comparing against one.
232 (copy_object): Cast result of `sizeof' to int when comparing
233 against one. Fix arguments to match format specifiers. Cast
234 variable `ifd' to long when comparing against a signed value.
237 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
239 * c-common.c (decl_attributes): Allow applying attribute `unused'
242 * c-parse.in (label): Parse attributes after a label, and call
243 `decl_attributes' to handle them.
245 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
247 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
248 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
250 * invoke.texi: Note that labels can be marked `unused'.
252 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
254 * version.c: Bump for snapshot.
256 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
258 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
259 RTL for a compare/jump sequence.
261 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
263 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
264 for a target with HAVE_cc0 defined.
265 (emit_cmp_and_jump_insns): New function.
266 * expr.h (emit_cmp_and_jump_insns): Prototype it.
267 * loop.c (check_dbra_loop): Use it to replace calls
268 to emit_cmp_insn and emit_jump_insn and to canonicalise
269 the comparison if necessary.
270 * unroll.c (unroll_loop): Likewise.
272 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
274 * fixincludes (sys/utsname.h): Provide forward declaration of
275 struct utsname on Ultrix V4.[35].
277 * mips.md (div_trap): Use local labels instead of dot-relative
280 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
282 * pa.md (branch, negated branch): Handle (const_int 0) as first
284 * pa.c (output_cbranch): Likewise.
286 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
288 * rs6000.c (rs6000_stack_info): Undo spurious part of last
291 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
293 * extend.texi (__builtin_constant_p): Add missing @smallexample.
295 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
297 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
299 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
301 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
302 (adddi_dishl32): Similarly.
304 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
305 for each insn in the skipped block.
307 * reload1.c (reload_as_needed): Verify that the insn satisfies its
308 constraints after replacing a register address with an autoincrement
309 address for reload inheritance purposes.
311 * i386.md (doubleword shifts): Avoid namespace pollution.
313 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
315 * configure.in (FreeBSD ELF): Needs special crt files.
317 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
319 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
321 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
323 * loop.c (check_dbra_loop): While reversing the loop, if the
324 comparison value has a VOID mode use the mode of the other operand
327 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
329 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
330 avoid warnings in compiling explow.c.
332 (patch from Ken Raeburn, raeburn@cygnus.com)
333 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
334 fpmem_offset. Compute total size after that, and then
335 rs6000_fpmem_offset using both values.
337 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
339 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
340 the future; indeed that already happens in some cases.
342 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
344 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
345 (arith_operand): Remove constant_p_rtx handling.
346 (const64_operand, const64_high_operand): Likewise.
347 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
348 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
349 (small_int_or_double, uns_small_int, zero_operand): Likewise.
350 * sparc.h (PREDICATE_CODES): Likewise.
352 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
354 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
356 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
357 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
358 consider constant CONSTRUCTOR constant and to defer some cases
360 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
361 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
363 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
365 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
366 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
368 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
369 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
370 (sext_add_operand, and_operand, or_operand): Likewise.
371 (reg_or_cint_operand, some_operand, input_operand): Likewise.
372 * alpha.h (PREDICATE_CODES): Likewise.
374 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
376 * version.c: Bump for snapshot.
378 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
380 * gengenrtl.c (gencode): Always use bzero to clear memory instead
381 of dangerous casts and stores.
383 * Makefile.in (compare, gnucompare): Add missing else true clauses.
385 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
387 * alpha.md (builtin_longjmp): Add missing "DONE".
389 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
391 * gcc.c (execute): Enable -pipe with win32.
393 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
395 * config/arm/t-arm-elf: Add multiplib option for leading
398 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
399 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
401 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
402 than variable 'reload_address_base_reg_class'. [Note this
403 change is unrelated to the others in this patch].
405 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
408 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
410 * alias.c (record_alias_subset): Remove ignored `&'.
411 (init_alias_once): Likewise.
413 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
415 * config/mips/mips.c (mips_asm_file_end): Cast the result of
416 fwrite to `int' when comparing against one.
418 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
419 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
421 * cse.c (rehash_using_reg): Change type of variable `i' to
424 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
427 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
429 * final.c (final_scan_insn): Likewise for variable `i'.
430 (output_asm_insn): Cast a char to unsigned char when used as an
433 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
436 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
438 * recog.c (preprocess_constraints): Cast a char to unsigned char
439 when used as an array index.
441 * regmove.c (find_matches): Likewise.
443 * reload1.c (calculate_needs): Add default case in switch.
444 (eliminate_regs_in_insn): Initialize variable `offset'.
445 (set_offsets_for_label): Change type of variable `i' to unsigned.
446 (reload_as_needed): Wrap variable `i' in macro check on
447 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
449 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
450 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
451 when comparing against one.
453 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
454 unsigned when comparing against one. Likewise for
455 GET_MODE_ALIGNMENT().
456 (layout_record): Cast record_align to int when comparing against a
458 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
461 * tree.c (get_identifier): Cast variable `len' to unsigned when
462 comparing against one.
463 (maybe_get_identifier): Likewise
465 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
467 * toplev.c (rest_of_compilation): Do not set reload_completed.
468 * reload1.c (reload): Set reload_completed before calling
469 cleanup_subreg_operands.
471 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
473 * reload1.c (emit_reload_insns): Check `set' not null before use.
475 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
477 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
480 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
482 * halfpic.c (half_pic_encode): Delete redundant code.
484 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
486 * toplev.c (main): Delete handling of -dM as a preprocessor
489 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
491 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
492 -dI, which are handled by the preprocessor.
494 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
496 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
497 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
499 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
501 * version.c: Bump for snapshot.
503 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
505 * version.c: Bump for snapshot.
507 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
509 * version.c: Bump for snapshot.
511 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
513 * genattr.c (fatal): Qualify a char* with the `const' keyword.
515 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
516 write_unit_name, write_eligible_delay, expand_units,
517 make_length_attrs, write_attr_case, find_attr,
518 make_internal_attr): Likewise.
519 * gencheck.c (tree_codes): Likewise.
520 * gencodes.c (fatal): Likewise.
521 * genconfig.c (fatal): Likewise.
522 * genemit.c (fatal): Likewise.
523 * genextract.c (fatal, walk_rtx, copystr): Likewise.
524 * genflags.c (fatal): Likewise.
525 * genopinit.c (fatal, optabs, gen_insn): Likewise.
526 * genoutput.c (fatal, error, predicates): Likewise.
527 * genpeep.c (fatal): Likewise.
528 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
529 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
531 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
533 * configure.in (with-fast-fixincludes): Fix whitespace.
534 * configure: Rebuilt.
536 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
537 asm() etc. function declarations in __DECC.
539 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
541 * expr.c (emit_move_insn_1): Only emit a clobber if the target
542 is a pseudo register.
544 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
546 * gcse.c: Include expr.h in order to get the prototype for
547 get_condition() which is used in delete_null_pointer_checks().
549 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
551 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
553 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
555 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
556 (ALL_CFLAGS): Delete SCHED_CFLAGS.
558 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
560 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
563 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
565 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
566 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
567 optimizations from the combiner.
569 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
571 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
573 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
575 * toplev.c (main): Disable optimize_size if a specific
576 optimization level is requested. Always set optimization
577 level to 2 if -Os is specified.
579 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
581 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
583 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
584 initialize it using fname.
586 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
588 * cpplib.c (do_include): Treat #include_next in the
589 primary source file as #include plus warning. Treat
590 #include_next in a file included by absolute path as an
591 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
593 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
595 * cccp.c: Don't define MIN/MAX anymore.
596 * cpplib.c: Likewise.
597 * machmode.h: Likewise.
598 * system.h: Provide definitions for MIN/MAX.
600 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
602 * fix-header.c: Don't define xstrdup here.
604 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
606 * loop.c (consec_sets_giv): New argument last_consec_insn.
607 (strength_reduce): Provide / use it.
609 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
611 * loop.h (loop_info): New field 'vtop'.
612 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
613 scanning loop for vtop.
614 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
615 (loop_iterations): Use them to determine if loop has a constant
616 number of iterations. Set loop_info->vtop. Don't subtract
617 common reg term from initial_value and final_value if have a
620 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
622 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
624 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
626 * mn10200.md (abssf2, negsf2): New expanders.
628 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
630 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
632 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
633 replaced by a CONCAT whoes components do not have the same
634 mode as the original SUBREG, use a new SUBREG to restore the
637 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
638 multiword complex values.
640 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
642 * cppalloc.c: Add xstrdup here.
643 * cpplib.h: Remove savestring prototype.
644 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
646 * cppfiles.c: s/savestring/xstrdup/ throughout.
648 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
650 * cpplib.c: Make all directive handlers read their own
652 (struct directive): Remove last two arguments from FUNC
653 member prototype. Remove `command_reads_line' member
655 (directive_table): Remove initializations of
656 command_reads_line flag. Pretty-print.
657 (eval_if_expression, do_define, do_line, do_include,
658 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
659 do_else, do_elif, do_sccs, do_assert, do_unassert,
660 do_warning): Take only two args.
662 (cpp_define): Call do_define with two args and the text to
663 define stuffed into a buffer.
664 (make_assertion): Call do_assert with two args.
665 (handle_directive): Call do_line with two args. Call
666 kt->func with two args. Remove command_reads_line
668 (do_define, do_undef, do_error, do_warning, do_pragma,
669 do_sccs): Read the rest of the line here.
670 (do_ident): Gobble rest of line, as cccp does.
671 (cpp_undef): New function.
672 (cpp_start_read): Call cpp_undef instead of do_undef.
674 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
676 * cpphash.h (union hash_value): Remove `keydef' member, add a
677 `struct hashnode *aschain' member for #assert.
679 * cpplib.c (struct tokenlist_list, struct
680 assertion_hashnode): Delete structure definitions.
681 (assertion_install, assertion_lookup, delete_assertion,
682 check_assertion, compare_token_lists, reverse_token_list,
683 read_token_list, free_token_list): Delete functions.
684 (parse_assertion): New function.
685 (cpp_cleanup): Don't destroy the assertion_hashtable.
687 (do_assert): Gut and rewrite. #assert foo (bar) places
688 entries for `#foo' and `#foo(bar)' in the macro hash table,
689 type T_ASSERT. The value union's `aschain' member is used
690 to chain all answers for a given predicate together.
691 (do_unassert): Also rewritten. Take an un-asserted
692 answer off the chain from its predicate and call
693 delete_macro on the hashnode, or walk a predicate chain
694 calling delete_macro on all the entries.
695 (cpp_read_check_assertion): Simply call parse_assertion to
696 get the canonical assertion name, and look that up in the
699 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
702 * cpphash.c (install): Use bcopy instead of an explicit loop
703 to copy the macro name.
705 * cppexp.c (cpp_lex): Convert the result of
706 cpp_read_check_assertion to a `struct operation' directly;
707 don't go through parse_number.
709 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
711 * loop.h (struct induction): Delete times_used member.
712 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
713 (n_times_used): Rename to n_times_set. Changed all users.
714 (scan_loop): Free reg_single_usage before strength reduction.
715 (record_giv, combine_givs): Remove handling of times_used member.
716 (combine_givs_used_once): Rename to:
717 (combine_givs_used_by_other) . Changed all callers.
719 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
721 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
722 instead of TREE_CODE_CLASS == 't'.
723 (gen_type_die): Likewise.
724 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
726 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
728 * real.c (endian): Disable last change unless
729 HOST_BITS_PER_WIDE_INT is greater than 32.
731 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
733 * output.h (force_data_section): New prototype.
734 * varasm.c (force_data_section): New function to force the
735 data section, regardless of what in_section thinks.
736 * dwarf2out.c (output_call_frame_info): Call force_data_section
737 since varasm may not realize we've changes sections.
739 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
741 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
742 after completeing reload.
744 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
745 deleted after reload.
747 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
749 * rtl.h (multiple_sets): Fix prototype.
750 * rtlanal.c (multiple_sets): Fix return type.
752 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
754 * version.c: Bump for snapshot.
756 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
758 * version.c: Bump for snapshot.
760 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
762 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
764 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
766 * rtl.h (recompute_reg_usage): Add second argument.
767 * flow.c (recompute_reg_usage): Likewise.
768 * toplev.c (rest_of_compilation): Supply second argument to
771 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
774 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
776 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
777 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
778 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
781 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
783 * rtlanal.c (multiple_sets): New function.
784 * rtl.h (multiple_sets): Declare it.
785 * local-alloc.c (wipe_dead_reg): Use it.
786 * global.c (global_conflicts): Likewise.
788 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
790 * global.c (record_conflicts): Don't use an array of shorts to
791 store an array of ints.
792 (global_conflicts): Likewise.
794 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
796 * alpha.c (alpha_expand_block_move): mode_for_size expects
797 bits, not bytes. Infer extra alignment from addressof.
799 1998-12-11 Michael Meissner <meissner@cygnus.com>
801 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
802 .sbss section, not .sdata.
804 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
806 * cccp.c: Do not #include <sys/stat.h> here; this is already done
808 * collect2.c: Likewise.
809 * cpplib.h: Likewise.
812 * getpwd.c: Likewise.
813 * protoize.c: Likewise.
814 * toplev.c: Likewise.
816 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
817 and don't try to define it here.
818 * Makefile.in (cppmain.o): Depend on machmode.h.
819 (cpplib.o): Likewise.
820 (cpperror.o): Likewise.
821 (cppexp.o): Likewise.
822 (cppfiles.o): Likewise.
823 (cpphash.o): Likewise.
824 (cppalloc.o): Likewise.
825 (fix-header.o): Likewise.
826 (scan-decls.o): Likewise.
828 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
830 * sh.c (print_operand): lookup interrupt_handler attribute instead
831 of relying on static variable.
832 * (calc_live_regs): Likewise.
833 * (sh_pragma_insert_attributes): Create interrupt_handler
834 attribute if a pragma was specified
835 * (sh_valid_machine_decl_attribute): Don't set static flag.
836 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
838 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
840 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
841 to determine if a register is live at a jump destination.
842 Everything is dead at a BARRIER.
844 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
846 * cse.c (simplify_unary_operation): Sign-extend constants when
847 they have the most significant bit set for the target.
848 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
850 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
851 HOST_WIDE_INT temporary before negating it.
852 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
854 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
856 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
859 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
861 * collect2.h: New header file for prototypes.
863 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
865 * collect2.c: Include collect2.h.
868 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
870 * flow.c: Update some comments.
872 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
874 * objc/objc-act.c (cpp_initialized): Removed.
875 (lang_init_options): Initialize cpplib.
876 (lang_decode_option): Move initialization of cpplib to
878 * c-lang.c: (parse_options,parse_in): Added.
879 (lang_init_options): Initialized cpplib here.
880 * c-decl.c (parse_options,cpp_initialized): Removed.
881 (c_decode_option): Move initialization of cpplib to
884 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
886 * reload1.c (reload_combine, reload_combine_note_store):
887 Make STORE_RUID always valid.
888 (reload_combine): Check if BASE is clobbered too early.
890 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
892 * reload.c (find_reloads): Display the insn that cannot be
895 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
897 * cccp.c (create_definition): Fix end of bufer logic.
899 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
901 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
902 pointer parameters changed to use the PARAMS() macro.
904 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
906 * except.h (struct handler_info): Add handler_number field.
907 * except.c (gen_exception_label): EH labels no longer need to be
908 on the permanent obstack.
909 (get_new_handler): Set the label number field.
910 (output_exception_table_entry): Regenerate handler label reference
911 from the label number field.
912 (init_eh): Remove a blank line.
913 * integrate.c (get_label_from_map): Labels no longer need to be
914 on the permanent obstack.
916 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
918 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
919 only when OUTER_CODE is SET.
921 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
923 * loop.c (strength_reduce): If scan_start points to the loop exit
924 test, be wary of subversive use of gotos inside expression statements.
925 Don't set maybe_multiple for a backward jump that does not
926 include the label under consideration into its range.
927 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
929 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
931 * explow.c (plus_constant_wide): Don't immediately return with
932 result of recursive call.
934 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
936 * eh-common.h (struct eh_context): Add table_index for rethrows.
938 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
939 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
940 processed when inlined or unrolled (ie duplicated in some way).
942 * rtl.c (reg_note_name): Add strings for new reg_note enums.
944 * expr.h (rethrow_libfunc): New library decl.
946 * optabs.c (rethrow_libfunc): Initialize.
948 * except.h (struct eh_entry): Add new field 'rethrow_label'.
949 (new_eh_region_entry): No longer exported from except.c.
950 (duplicate_handlers): Renamed to duplicate_eh_handlers and
952 (rethrow_symbol_map, rethrow_used): New exported functions.
953 (eh_region_from_symbol): New exported function.
955 * except.c (create_rethrow_ref): New function to create a single
956 SYMBOL_REF for a rethrow region.
957 (push_eh_entry): Initialize a rethrow ref.
958 (func_eh_entry): Add a rethrow_label field.
959 (new_eh_region_entry): Make static, and initialize the rethrow entry.
960 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
961 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
962 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
963 a region into an appropriate new symbol.
964 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
965 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
966 (end_catch_handler): Emit a barrier for new-exceptions since
967 control can never drop through the end of a catch block.
968 (expand_end_all_catch): new-exceptions never fall through a catch
970 (expand_rethrow): use __rethrow routine for new exceptions.
971 (output_exception_table_entry): Generate rethrow labels, if needed.
972 (output_exception_table): Generate start and end rethrow labels.
973 (init_eh): Create rethrow symbols for beginning and end of table.
974 (scan_region): Don't eliminate EH regions which are the targets of
977 * flow.c (make_edges): Add different edges for rethrow calls,
978 identified by having the REG_EH_RETHROW reg label.
979 (delete_unreachable_blocks): Don't delete regions markers which are
980 the target of a rethrow.
982 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
983 allow save_for_inline_copying to call duplicate_eh_handlers.
984 (save_for_inline_copying): Call duplicate_eh_handlers instead of
985 exposing internal details of exception regions.
986 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
987 (expand_inline_function_eh_labelmap): New callback routine to
988 allow expand_inline_function to call duplicate_eh_handlers.
989 (expand_inline_function): Call duplicate_eh_handlers instead of
990 exposing internal details of exception regions.
991 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
994 * libgcc2.c (find_exception_handler): Generalize to enable it to
995 pick up processing where it left off last time for a rethrow.
996 (__unwinding_cleanup): New function. debug hook which is called before
997 unwinding when __throw finds there is nothing but cleanups left.
998 (throw_helper): Common parts of __throw extracted out for reuse.
999 (__throw): Common parts moved to throw_helper.
1000 (__rethrow): New function for performing rethrows.
1002 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1004 * reload1.c (current_function_decl): Tweak declaration.
1006 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1008 * c-decl.c (flag_isoc9x): Default off.
1009 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1010 * cccp.c (print_help, main): Likewise.
1011 * gcc.c (default_compilers): Update for -std=gnu*.
1013 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1015 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1016 * demangle.h: Deleted.
1018 * reload1.c (current_function_decl): Declare.
1020 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1022 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1024 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1026 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1028 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1030 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1032 * configure: Rebuilt.
1033 * system.h: If the *_unlocked functions are available use them
1034 instead of the locked counterparts by defining macros.
1035 * config.in: Regenerated.
1037 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1039 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1040 wrong and should only be used for dump related things, not
1041 debugging information, instead main_input_filename should be used.
1042 Also, reuse output_file_directive if possible.
1043 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1044 * i386/isc.h (ASM_FILE_START): Likewise.
1045 * i386/win-nt.h (ASM_FILE_START): Likewise.
1046 * i386/sun386.h (ASM_FILE_START): Likewise.
1048 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1050 * configure.in (mips*-*-linux*): Handle big and little endian
1052 * configure: Rebuilt.
1054 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1056 * emit-rtl.c: Fix typo.
1058 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1060 * reload1.c (eliminate_regs): Don't do anything, if we're not
1063 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1065 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1067 * mips/mips.c (mips_select_section): Add comment.
1069 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1071 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1072 characters in file names in #line to be consistent with #include
1073 handling. We support escape prcessing in the # 1 "..." version of
1074 the command. See also support in cp/lex.c.
1075 (handle_directive): Likewise.
1076 (do_line): Likewise.
1078 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1080 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1081 so it'll work on non-ASCII platforms. Always consider $ an
1082 identifier character. Take no arguments.
1083 (cpp_reader_init): Call initialize_char_syntax with no
1085 (cpp_start_read): Don't call initialize_char_syntax again.
1086 Clear is_idchar['$'] and is_idstart['$'] if not
1087 opts->dollars_in_ident.
1089 * cpplib.h (struct cpp_reader): Replace void *data element by
1090 cpp_options *opts. Rearrange elements to make gdb printout
1091 less annoying (put buffer stack at end).
1092 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1094 * cppmain.c: s/data/opts/ when initializing cpp_reader
1096 * c-decl.c: Likewise.
1097 * objc/objc-act.c: Likewise.
1098 * fix-header.c: Likewise.
1100 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1102 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1103 with a struct file_name_list pointer.
1104 (struct cpp_reader): Add pointer to chain of `actual
1105 directory' include searchpath entries.
1106 (struct file_name_list): Add *alloc pointer for the sake of
1107 the actual-directory chain.
1109 Move definition of HOST_WIDE_INT here.
1110 (cpp_parse_escape): Change prototype to match changes in
1113 * cppfiles.c (actual_directory): New function.
1114 (finclude): Use it to initialize the buffer's actual_dir
1116 (find_include_file): We don't need to fix up max_include_len
1119 * cpplib.c (do_include): Don't allocate a file_name_list on
1120 the fly for current directory "" includes, use the one that's
1121 been preallocated in pfile->buffer->actual_dir. Hoist out
1122 duplicate code from the search_start selection logic.
1123 (cpp_reader_init): Initialize pfile->actual_dirs.
1125 Remove definition of HOST_WIDE_INT. Change calls
1126 to cpp_parse_escape to match changes in cppexp.c (note
1127 hardcoded MASK, which is safe since this is the source
1130 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1131 to handle wide character constants in #if directives. The
1132 function now returns a HOST_WIDE_INT, and takes a third
1133 argument which is a binary mask for all legal values (0x00ff
1134 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1135 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1136 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1138 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1140 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1142 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1144 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1145 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1146 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1148 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1150 * final.c (output_asm_name): Use tabs to seperate comments from
1153 Include instruction lengths (if defined) in output.
1155 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1157 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1158 in the loop_info structure.
1160 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1162 * configure.in: (arm*-*-ecos-elf): New target.
1163 * configure: Regenerated.
1164 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1165 * config/arm/ecos-elf.h: New file.
1166 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1169 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1171 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1173 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1175 * version.c: Bump for snapshot.
1177 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1179 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1182 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1184 * version.c: Bump for snapshot.
1186 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1188 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1189 compressed reports are ok and preferred over URLs
1191 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1193 * invoke.texi (Warning Options): Soften the tone of -pedantic
1195 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1197 * print-rtl.c (print_rtx): Add prototype.
1199 * unroll.c (iteration_info): Make it static.
1201 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1203 * alias.c (memrefs_conflict_p): A second ANDed address
1204 disables the aligned address optimization.
1206 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1208 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1211 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1213 * i960.h (BOOL_TYPE_SIZE): Define.
1215 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1217 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1218 from old valid_parallel_operands_4.
1219 (valid_parallel_operands_4): Check that operands for 4 operand
1220 parallel insns are valid, excluding load/store insns.
1221 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1222 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1223 valid_parallel_load_store instead of valid_parallel_operands_4.
1224 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1225 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1226 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1227 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1228 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1229 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1230 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1232 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1234 * config/c4x/c4x.c (iteration_info): Delete extern.
1236 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1238 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1240 * final.c (cleanup_subreg_operands): Delete some unused code.
1242 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1243 (struct insn_alternative): New structure definition.
1244 (recog_op_alt): Declare variable.
1245 (preprocess_constraints): Declare function.
1246 * recog.c (recog_op_alt): New variable.
1247 (extract_insn): Verify number of alternatives is in range.
1248 (preprocess_constraints): New function.
1249 * reg-stack.c: Include recog.h.
1250 (constrain_asm_operands): Delete.
1251 (get_asm_operand_lengths): Delete.
1252 (get_asm_operand_n_inputs): New function.
1253 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1254 N_OUTPUTS args. All callers changed.
1255 Compute number of inputs and outputs here by calling
1256 get_asm_operand_n_inputs.
1257 Instead of constrain_asm_operands, call extract_insn,
1258 constrain_operands and preprocess_constaints. Use information
1259 computed by these functions throughout.
1260 (record_reg_life): Delete code that is unused due to changes in
1261 record_asm_reg_life.
1262 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1263 N_INPUTS and N_OUTPUTS args. All callers changed.
1264 Similar changes as in record_asm_reg_life.
1265 (subst_stack_regs): Move n_operands declaration into the if statement
1267 Delete code that is unused due to changes in subst_asm_stack_regs.
1268 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1270 * Makefile.in (reg-stack.o): Depend on recog.h.
1272 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1274 * except.c (set_exception_version_code): Argument is an "int".
1276 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1278 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1279 * configure: Rebuilt.
1281 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1283 * configure.in (mipsel-*-linux*): New target.
1284 * mips/linux.h: New file, based on other Linux targets.
1286 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1288 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1289 runs in the context of the deleter, not the deletee, so we must
1290 use taskVarGet to find the correct memory to free.
1291 (__gthread_key_create): Initialize the task
1292 variable subsystem so that the task variable is still active when
1293 the delete hook is run.
1295 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1297 * pdp11.h: Use optimize_size for space optimizations.
1298 * pdp11.c: Likewise.
1299 * pdp11.md: Likewise.
1301 * pdp11.h (TARGET_40_PLUS): Fix typo.
1303 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1305 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1308 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1310 * alias.c (addr_side_effect_eval): New function.
1311 (memrefs_conflict_p): Use it.
1312 * rtl.h (addr_side_effect_eval): Prototype it.
1314 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1316 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1318 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1320 * reload.c (find_reloads): When force const to memory, put result
1321 in substed_operand not *recog_operand_loc.
1323 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1325 * c-lex.c: Fix indentation from last patch.
1326 Remove trailing whitespace.
1329 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1331 * flow.c (delete_block): Call set_last_insn after we have reset
1332 NEXT_INSN (kept_tail).
1334 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1336 * mips.md (trap_if): Use "$0" for the value zero.
1338 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1339 Stephen L Moshier <moshier@world.std.com>
1340 Richard Henderson <rth@cygnus.com>
1342 * c-common.c (declare_function_name): Declare predefinied variable
1345 * c-decl.c (flag_isoc9x): Set to 1 by default.
1346 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1347 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1349 * c-parse.in: Allow constructors in ISO C 9x.
1350 Rewrite designator list handling.
1351 Allow [*] parameters.
1352 Don't warn about comma at end of enum definition for ISO C 9x.
1354 * cccp.c (c9x): New variable.
1355 (rest_extension): New variable.
1356 (print_help): Document new -std= option.
1357 (main): Recognize -std= option. Set c9x appropriately.
1358 (create_definition): Recognize ISO C 9x vararg macros.
1360 * gcc.c (default_compilers): Adjust specs for -std options.
1361 (option_map): Add --std.
1362 (display_help): Document -std.
1364 * toplev.c (documented_lang_options): Add -std and remove
1367 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1368 or REAL_VALUE_HTOF based on base of the constants.
1369 * fold-const.c (real_hex_to_f): New function. Replacement function
1370 for hex FP conversion if REAL_ARITHMETIC is not defined.
1371 * real.c (asctoeg): Add handling of hex FP constants.
1372 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1375 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1377 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1378 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1379 expansion. Use hi/lo as destination register.
1381 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1382 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1383 Avoid as macro expansion. Use hi/lo as destination register.
1385 * mips.h (MASK_CHECK_RANGE_DIV): New.
1386 (MASK_NO_CHECK_ZERO_DIV): New.
1387 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1388 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1389 return address for leaf functions out of r31 to support
1390 builtin_return_address.
1392 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1394 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1395 NEXT_INSN(x) to check insn x.
1397 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1399 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1400 last insn in the rtl chain.
1402 * reload1.c (reload): Do not set reload_completed or split insns
1404 * toplev.c (rest_of_compilation): Set reload_completed after
1405 reload returns. Split insns after reload_cse has run.
1407 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1409 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1411 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1413 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1415 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1417 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1418 use of user-label_prefix.
1420 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1422 * reload1.c (emit_reload_insns): Clear spill_reg_store
1423 when doing a new non-inherited reload from the same pseudo.
1425 * local-alloc.c (function_invariant_p): New function.
1426 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1427 to decide if an equivalence should be recorded.
1428 * reload1.c (num_eliminable_invariants): New static variable.
1429 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1430 to decide if an equivalence should be recorded.
1432 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1433 Take num_eliminable_invariants into account when deciding
1434 if register elimination should be done.
1435 (reload_as_needed): Take num_eliminable_invariants into account
1436 when deciding if register elimination should be done.
1437 (eliminate_regs): Handle non-constant reg_equiv_constant.
1438 * rtl.h (function_invariant_p): Declare.
1440 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1442 * version.c: Bump for snapshot.
1444 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1446 * version.c: Bump for snapshot.
1448 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1450 * except.c (add_new_handler): Complain about additional handlers
1451 after one that catches everything.
1453 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1455 * configure.in (alpha*-*-netbsd): Fix typo.
1456 * configure: Rebuilt.
1458 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1460 * system.h: Include libiberty.h.
1462 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1463 function `concat' from fixed parameters to variable parameters,
1464 as is done in libiberty. All callers of concat/concat3
1465 changed to use the new `concat' with variable args.
1467 * cccp.c: Remove things made redundant by libiberty.h and/or
1468 conform to libiberty standards.
1470 * collect2.c: Likewise.
1471 * config/1750a/1750a.h: Likewise.
1472 * cppalloc.c: Likewise.
1473 * cppexp.c: Likewise.
1474 * cppfiles.c: Likewise.
1475 * cpphash.c: Likewise.
1476 * cpplib.c: Likewise.
1477 * dyn-string.c: Likewise.
1478 * fix-header.c: Likewise.
1481 * genattr.c: Likewise.
1482 * genattrtab.c: Likewise.
1483 * gencheck.c: Likewise.
1484 * gencodes.c: Likewise.
1485 * genconfig.c: Likewise.
1486 * genemit.c: Likewise.
1487 * genextract.c: Likewise.
1488 * genflags.c: Likewise.
1489 * gengenrtl.c: Likewise.
1490 * genopinit.c: Likewise.
1491 * genoutput.c: Likewise.
1492 * genpeep.c: Likewise.
1493 * genrecog.c: Likewise.
1494 * getpwd.c: Likewise.
1495 * halfpic.c: Likewise.
1497 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1498 in NEED_DECLARATION_* macros.
1500 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1501 conform to libiberty standards.
1502 (fatal): Fix const-ification of variable `format' in
1503 !ANSI_PROTOTYPES case.
1505 * prefix.c: Remove things made redundant by libiberty.h and/or
1506 conform to libiberty standards.
1508 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1509 conflicting with function `spaces' from libiberty.
1511 * profile.c: Remove things made redundant by libiberty.h and/or
1512 conform to libiberty standards.
1513 * protoize.c: Likewise.
1516 * tlink.c: Likewise.
1517 * toplev.c: Likewise.
1518 * toplev.h: Likewise.
1521 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1523 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1525 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1527 * README.C4X: Updated URLs.
1528 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1529 (valid_parallel_operands_5): Remove unused variable.
1531 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1533 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1535 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1537 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1538 which can be configured.
1539 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1540 (Makefile): Pass actual LANGUAGES through the environment when
1542 (cstamp-h): Likewise.
1543 (config.status): Likewise.
1545 * configure.in (enable_languages): Add new configuration parameter
1546 "--enable-languages=lang1,lang2,...".
1547 (${srcdir}/*/config-lang.in): Change handling to configure only
1548 those directories, that the user might have enabled; default to
1549 "all" existing languages.
1550 * configure: Regenerate.
1552 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1554 * rtlanal.c (regs_set_between_p): New function.
1555 * rtl.h (regs_set_between_p): Prototype it.
1556 * jump.c (jump_optimize): Use it instead of modified_between_p
1557 in the Sep 2 change.
1559 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1560 Matthias Pfaller <leo@dachau.marco.de>
1562 * invoke.texi (Option Summary, NS32K Options): add description
1563 of NS32K specific options.
1565 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1566 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1567 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1568 negdf2, absdf2): Use l instead of f since the double class and
1569 float class are no longer the same.
1570 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1571 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1572 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1573 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1575 (cmpsi, cmphi, cmpqi): use general_operand instead of
1576 non_immediate_operand. Removes erroneous assumption that can't
1578 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1579 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1581 (movstrsi, movstrsi1, movstrsi2): completely new block move
1583 (...): Patterns to exploit multiply-add instructions.
1584 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1585 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1586 patterns to exploit extended divide insns.
1587 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1590 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1591 float return values as well as simple scalar floats.
1592 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1593 support new flag to denote 32381 fpu.
1594 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1595 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1597 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1598 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1599 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1600 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1601 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1602 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1603 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1604 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1605 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1606 fpu registers and special register classes for new 32381
1607 instructions dotf and polyf.
1608 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1610 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1611 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1613 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1614 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1615 (REGISTER_MOVE_COST): move code to register_move_cost function for
1616 ease of coding and debugging.
1617 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1618 LONG_FLOAT_REGO is likely spilled but not caught by default
1620 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1621 instead of hard coded numbers in range check.
1622 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1623 (...): Add prototypes for functions in ns32k.c but disable because
1624 of problems when ns32k.h is included in machine independant files.
1626 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1627 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1628 hard_regno_mode_ok, secondary_reload_class,
1629 print_operand, print_operand_address): new register scheme to
1630 include 32381 fpu registers and special register classes for new
1631 32381 instructions dotf and polyf.
1632 (gen_indexed_expr): Make static to keep namespace clean.
1633 (check_reg): remove since never called.
1634 (move_tail, expand_block_move): helper functions for "movstrsi"
1636 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1637 Increase cost of moves which go via memory.
1638 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1639 (CPP_PREDEFINES): nolonger predefine "unix".
1641 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1642 Remove erroneous %$. print_operand() can work out from the rtx is
1643 an immediate prefix is required.
1645 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1646 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1647 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1649 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1652 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1653 Correct handling of pic operands.
1654 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1655 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1656 -mrtd calling convention.
1658 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1660 * gcc.c (option_map): Recognize --output-class-directory.
1662 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1664 * loop.h (precondition_loop_p): Added new mode argument.
1665 * unroll.c (precondition_loop_p): Likewise.
1666 (approx_final_value): Function deleted and subsumed
1667 into loop_iterations.
1668 (loop_find_equiv_value): New function.
1669 (loop_iterations): Use loop_find_equiv_value to find increments
1670 too large to be immediate constants. Also use it to find terms
1671 common to initial and final iteration values that can be removed.
1673 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1675 * loop.h (struct loop_info): Define new structure.
1676 (precondition_loop_p): Added prototype.
1677 (unroll_loop): Added new argument loop_info to prototype.
1678 (final_biv_value, final_giv_value): Added new argument n_iterations
1680 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1681 and new pointer loop_info.
1682 (loop_n_iterations): Replace global variable by element in
1683 loop_info structure.
1684 (check_final_value): New argument n_iterations.
1685 (insert_bct): New argument loop_info.
1686 (loop_unroll_factor): Replace global array by element in
1687 loop_info structure.
1688 (loop_optimize): Remove code to allocate and initialise
1689 loop_unroll_factor_array.
1690 * unroll.c (precondition_loop_p): No longer static since
1691 used by branch on count optimization.
1692 (precondition_loop_p, unroll_loop): New argument loop_info.
1693 (final_biv_value, final_giv_value, find_splittable_regs): New
1694 argument n_iterations.
1695 (loop_iteration_var, loop_initial_value, loop_increment,
1696 loop_final_value, loop_comparison_code, loop_unroll_factor):
1697 Replaced global variables by loop_info structure.
1698 (loop_unroll_factor): Replace global array by element in
1699 loop_info structure.
1701 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1703 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1706 * unroll.c (precondition_loop_p): Return loop_initial_value
1707 for initial_value instead of loop_iteration_var.
1709 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1711 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1712 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1713 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1714 to output the instruction sequences.
1716 (rptb_top): Provide alternatives to use any register or memory
1718 (rptb_end): Emit use of operands rather than assigning them
1719 explicitly to the RS and RE registers.
1721 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1723 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1724 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1725 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1726 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1727 c4x_merge_notes, c4x_parallel_process,
1728 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1729 c4x_combine_parallel): Delete.
1731 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1733 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1734 with old target options clear flag_branch_on_count_reg if
1735 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1737 (c4x_output_cbranch): Handle a sequence of insns rather than a
1739 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1740 has not been allocated as the loop counter.
1741 (c4x_address_conflict): Do not allow two volatile memory references.
1742 (valid_parallel_operands_4, valid_parallel_operands_5,
1743 valid_parallel_operands_6): Reject pattern if the register destination
1744 of the first set is used as part of an address in the second set.
1746 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1748 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1749 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1750 is no longer enabled if PARALLEL_MPY_FLAG set.
1751 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1752 (REG_CLASS_CONTENTS): Add braces around initializers.
1753 (HAVE_MULTIPLE_PACK): Define.
1754 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1755 REAL_VALUE_TO_DECIMAL.
1756 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1757 REAL_VALUE_TO_DECIMAL.
1758 (ar0_reg_operand): Add prototype.
1759 (ar0_mem_operand): Likewise.
1760 (ar1_reg_operand): Likewise.
1761 (ar1_mem_operand): Likewise.
1762 (ar2_reg_operand): Likewise.
1763 (ar2_mem_operand): Likewise.
1764 (ar3_reg_operand): Likewise.
1765 (ar3_mem_operand): Likewise.
1766 (ar4_reg_operand): Likewise.
1767 (ar4_mem_operand): Likewise.
1768 (ar5_reg_operand): Likewise.
1769 (ar5_mem_operand): Likewise.
1770 (ar6_reg_operand): Likewise.
1771 (ar6_mem_operand): Likewise.
1772 (ar7_reg_operand): Likewise.
1773 (ar7_mem_operand): Likewise.
1774 (ir0_reg_operand): Likewise.
1775 (ir0_mem_operand): Likewise.
1776 (ir1_reg_operand): Likewise.
1777 (ir1_mem_operand): Likewise.
1778 (group1_reg_operand): Likewise.
1779 (group1_mem_operand): Likewise.
1780 (ir1_reg_operand): Likewise.
1781 (arx_reg_operand): Likewise.
1782 (not_rc_reg): Likewise.
1783 (not_modify_reg): Likewise.
1784 (c4x_group1_reg_operand): Remove prototype.
1785 (c4x_group1_mem_operand): Likewise.
1786 (c4x_arx_reg_operand): Likewise.
1788 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1790 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1791 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1793 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1795 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1798 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1800 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1801 unless FMOVD_WORKS is defined.
1803 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1805 * regclass.c (init_reg_sets): Move code that calculates tables
1806 dependent on reg_class_contents from here...
1807 (init_reg_sets_1): To here.
1809 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1811 * cpplib.h: Delete struct import_file. Add ihash element to
1812 struct cpp_buffer. Delete dont_repeat_files and
1813 import_hash_table elements from cpp_reader; change
1814 all_include_files to a hash table. Delete all foobar_include
1815 / last_foobar_include elements from struct cpp_options; put
1816 back four such: quote_include, bracket_include,
1817 system_include, after_include. Redo struct file_name_list
1818 completely. Add new structure type include_hash. Add
1819 prototypes for merge_include_chains and include_hash. Change
1820 prototypes for finclude, find_include_file, and
1821 append_include_chain to match changes below.
1823 * cppfiles.c (simplify_pathname, include_hash,
1824 remap_filename, merge_include_chains): New functions.
1825 (add_import, lookup_import, open_include_file): Removed.
1826 (INO_T_EQ): Define this (copied from cccp.c).
1827 (hack_vms_include_specification): Remove all calls and #if 0
1828 out the definition. It was being called incorrectly and at
1829 the wrong times. Until a VMSie can look at this, it's better
1830 to not pretend to support it.
1831 (append_include_chain): Change calling convention; now takes
1832 only one directory at a time, and sets up the data structure
1834 (redundant_include_p): Rewritten - this is now used for all
1835 include redundancy, whether by #ifndef, #import, or #pragma
1836 once. Looks up things in the include hash table.
1837 (file_cleanup): Decrement pfile->system_include_depth here if
1839 (find_include_file): Calling convention changed; now passes
1840 around a struct include_hash instead of 3 separate parameters.
1841 Guts ripped out and replaced with new include_hash mechanism.
1842 (finclude): Calling convention changed as for
1843 find_include_file. Error exits pulled out-of-line. Reformat.
1844 (safe_read): Return a long, not an int.
1845 (deps_output): Don't recurse.
1847 * cpplib.c (is_system_include): Deleted.
1848 (path_include): Fix up call to append_include_chain.
1849 (do_include): Fix up calls to find_include_file and finclude.
1850 Clean up dependency output a bit. Shorten obnoxiously lengthy
1851 #import warning message. Don't decrement
1852 pfile->system_include_depth here.
1853 (do_pragma): Understand the include_hash structure. Reformat.
1854 (do_endif): Correct handling of control macros. Understand
1856 (cpp_start_read): Fix up calls to finclude. Call
1857 merge_include_chains.
1858 (cpp_handle_option): Fix up calls to append_include_chain.
1859 Understand the four partial include chains.
1860 (cpp_finish): Add debugging code (#if 0-ed out) for the
1862 (cpp_cleanup): Free the include_hash, not the import hash and
1863 the all_include and dont_repeat lists which no longer exist.
1865 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1867 * toplev.c (no_new_pseudos): Define.
1868 (rest_of_compilation): Set no_new_pseudos as needed.
1869 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1870 if no_new_pseudos is set.
1871 * rtl.h (no_new_pseudos): Declare it.
1872 * reload1.c (reload): Update comments.
1873 * md.texi: Corresponding changes.
1875 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1877 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1878 (choose_reload_regs): Rename it here as well. When computing it,
1879 also merge in used hardregs.
1881 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1883 * gcc.c: Split out Objective-C specs to...
1884 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1887 * c-lex.c (init_parse): Always initialize the filename global.
1888 * objc/objc-act.c (lang_init): Always call check_newline at
1891 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1893 * reload1.c (reload): Remove unused variable.
1894 (reload_reg_free_for_value_p): Add missing parameter definition.
1896 * jump.c (jump_optimize): Remove unused variable.
1898 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1900 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1902 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1904 * expr.c (move_by_pieces): Similarly.
1905 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1906 * flow.c (find_auto_inc): Similarly.
1907 (try_pre_increment): Similarly.
1908 * loop.c (strength_reduce): Similarly.
1909 * regclass.c (auto_inc_dec_reg_p): Similarly.
1910 * regmove.c (try_auto_increment): Similarly.
1911 (fixup_match_1): Similarly.
1912 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1913 (HAVE_PRE_DECREMENT): Similarly.
1914 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1915 * Corresponding changes to all target header files.
1916 * tm.texi: Update docs for autoinc addressing modes.
1918 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1920 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1921 * configure: Rebuild.
1922 * config/elfos.h: New file.
1923 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1924 config/m68k/t-m68kelf: New file.
1926 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1928 * Makefile.in (HOST_AR): Define.
1929 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1930 (libcpp.a): Use the host tools explicitly.
1931 (STAGESTUFF): Add libcpp.a.
1933 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1935 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1936 to source and destination registers.
1938 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1940 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1941 The strategy we now use is to pre allocate the top_elt along
1942 with the EH context so that each thread has its own top_elt.
1943 This is necessary as the dynmanic cleanup chain is used on the
1944 top element of the stack and each thread MUST have its own.
1945 (eh_context_static): Likewise.
1946 (new_eh_context): Likewise.
1947 (__sjthrow): Likewise.
1949 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1951 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1952 * i386.md (prologue_get_pc): Remove unused variable.
1954 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1956 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1958 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1960 * Makefile.in (OBJS): Add graph.o
1961 (graph.o): New dependency list.
1962 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1963 * print-rtl.c (dump_for_graph): Define new variable.
1964 (print_rtx): Rewrite to allow use in graph dumping functions.
1965 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1966 finish_graph_dump_file.
1967 Define graph_dump_format.
1968 (compile_file): If graph dumping is enabled also clear these files.
1969 Finish graph dump files.
1970 (rest_of_compilation): Also dump graph information if enabled.
1971 (main): Recognize -dv to enabled VCG based graph dumping.
1972 * graph.c: New file. Graph dumping functions.
1974 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1976 * configure.in: Look for <sys/stat.h>.
1977 * system.h: Include it before substitute S_ISREG definitions.
1979 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1981 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1982 * config/mips/iris6.h: Same.
1983 * config/mips/mips.md: Same.
1984 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1985 * config/mips/mips.h: Same; also define ABI_O64.
1987 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1989 * configure.in: Use AC_PREREQ(2.12.1).
1991 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1993 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1994 * cpplib.c, gcc.c: Likewise.
1995 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1997 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1999 * local-alloc.c (local_alloc): Use malloc not alloca for
2000 reg_qty, reg_offset, ref_next_in_qty.
2002 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2004 * caller-save.c (insert_one_insn): Initialize the live_before and
2005 live_after register sets.
2009 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2010 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2011 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2012 (fp_reg_names, assembler_dialect): New variables.
2013 (print_operand_address): Handle SUBREGs.
2014 (print_operand): Added 'o' case.
2015 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2016 Name of FP registers depends on mode.
2017 (expand_block_move): Emit different code for SH4 hardware.
2018 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2019 (from_compare): Likewise.
2020 (add_constant): New argument last_value. Changed all callers.
2021 (find_barrier): Don't try HImode load for FPUL_REG.
2022 (machine_dependent_reorg): Likewise.
2023 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2024 (gen_far_branch): Emit a barrier after the new jump.
2025 (barrier_align): Don't trust instruction lengths before
2027 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2028 Use auto-inc addressing for fp registers if doubles need to
2029 be loaded in two steps.
2030 Set sh_flag_remove_dead_before_cse.
2031 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2032 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2033 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2034 Support for FIRST_XD_REG .. LAST_XD_REG.
2035 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2036 (sh_expand_epilogue): Likewise.
2037 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2038 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2039 (arith_reg_operand): FPUL_REG is OK for SH4.
2040 (fp_arith_reg_operand, fp_extended_operand) New functions.
2041 (tertiary_reload_operand, fpscr_operand): Likewise.
2042 (commutative_float_operator, noncommutative_float_operator): Likewise.
2043 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2044 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2045 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2046 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2047 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2048 (CONDITIONAL_REGISTER_USAGE): Likewise.
2049 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2050 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2051 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2052 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2053 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2054 to -1 and sh_flag_remove_dead_before_cse to 1.
2055 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2056 (assembler_dialect, fp_reg_names): Declare.
2057 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2058 Hide names of registers that are not accessible.
2059 (CACHE_LOG): Take TARGET_CACHE32 into account.
2060 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2061 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2062 (FIRST_PSEUDO_REGISTER: Now 49.
2063 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2064 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2065 (HARD_REGNO_MODE_OK): Update.
2066 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2067 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2068 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2069 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2070 (NPARM_REGS): Eight floating point parameter registers on SH4.
2071 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2072 in floating point registers.
2073 (GET_SH_ARG_CLASS) Likewise.
2074 Complex float types are also returned in float registers.
2075 (BASE_ARG_REG): Complex float types are also passes in float registers.
2076 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2077 (LIBCALL_VALUE): Remove trailing semicolon.
2078 (ROUND_REG): Round when double precision value is passed in floating
2080 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2081 passed on the stack.
2082 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2083 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2084 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2085 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2086 (MODE_DISP_OK_8): Not for SH4 DFmode.
2087 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2088 Allow indexed addressing for PSImode after reload.
2089 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2090 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2091 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2092 (DOUBLE_TYPE_SIZE): 64 for SH4.
2093 (RTX_COSTS): Add PLUS case.
2094 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2095 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2096 MAC_REGS, PR_REGS, DF_REGS.
2097 (REGISTER_NAMES): Use fp_reg_names.
2098 (enum processor_type): Add PROCESSOR_SH4.
2099 (sh_flag_remove_dead_before_cse): Declare.
2100 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2101 (PREDICATE_CODES): Add binary_float_operator,
2102 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2103 fpscr_operand, noncommutative_float_operator.
2104 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2105 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2106 * sh.md (attribute cpu): Add value sh4.
2107 (attrbutes fmovd, issues): Define.
2108 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2109 (function units memory, int, mpy, fp): Make dependent on issue rate.
2110 (function units issue, single_issue, load_si, load): Define.
2111 (function units load_store, fdiv, gp_fpul): Define.
2112 (attribute hit_stack): Provide proper default.
2113 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2114 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2115 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2116 (mulsi3_call): Now uses match_operand for function address.
2117 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2119 (push, pop, push_e, pop_e): Now define_expands.
2120 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2121 (movsi_ie): Added y/i alternative.
2122 (ic_invalidate_line_i, movdf_i4): New insns.
2123 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2124 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2125 (movdf): Add special code for SH4.
2126 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2127 (call_valuei, calli, call_value): Likewise.
2128 (movsf): Emit no-op move.
2129 (mov_nop, movsi_y): New insns.
2130 (blt, sge): generalize to handle DFmode.
2131 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2132 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2133 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2134 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2135 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2136 (toggle_sz): New insn.
2137 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2138 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2139 (macsf3): Make use of fpscr visible. Disable for SH4.
2140 (floatsisf2): Make use of fpscr visible.
2141 (floatsisf2_i4): New insn.
2142 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2143 (ieee_ccmpeqsf_t): Likewise.
2144 (fix_truncsfsi2): Emit different code for SH4.
2145 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2146 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2147 (negsf2, sqrtsf2, abssf2): Now expanders.
2148 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2149 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2150 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2151 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2152 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2153 (fix_truncdfsi2_i4_2+1): New splitters.
2154 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2155 (extendsfdf2, truncdfsf2): New expanders.
2156 (truncdfsf2_i4): New insn.
2157 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2158 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2159 * float-sh.h: When testing for __SH3E__, also test for
2160 __SH4_SINGLE_ONLY__ .
2161 * va-sh.h (__va_freg): Define to float.
2162 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2163 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2164 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2165 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2167 (TARGET_SH4_P): Define.
2170 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2171 init_expr_once is satisfied about the existence of load / store insns.
2173 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2174 change m constraint in source operand to mr / mf .
2176 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2178 * (__VA_REEF): Define.
2179 (__va_arg_sh1): Use it.
2181 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2183 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2185 * i386/dgux.c (struct option): Add new "description field".
2186 * m88k/m88k.c (struct option): Likewise.
2188 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2190 * version.c: Bump for snapshot.
2192 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2194 * regmove.c (regmove_profitable_p): Use return value of find_matches
2197 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2199 * version.c: Bump for snapshot.
2201 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2203 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2204 without reload having been called earlier.
2206 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2208 (v850_reorg): Similarly.
2210 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2212 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2214 * loop.c (move_movables): Start of libcall might be new loop start.
2216 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2218 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2220 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2222 * function.c (nonlocal_goto_handler_slots): Renamed from
2223 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2224 (push_function_context_to): Adjust for this change.
2225 (pop_function_context_from): Likewise.
2226 (init_function_start): Likewise.
2227 (expand_function_end): Likewise.
2228 * function.h (struct function): Likewise.
2229 * calls.c (expand_call): Likewise.
2230 * explow.c (allocate_dynamic_stack_space): Likewise.
2231 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2232 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2234 (expand_goto): When doing a nonlocal goto, find corresponding handler
2235 slot for it. Don't put the label address in the static chain register.
2236 (expand_end_bindings): Break out nonlocal goto handling code into
2237 three new functions.
2238 (expand_nl_handler_label, expand_nl_goto_receiver,
2239 expand_nl_goto_receivers): New static functions, broken out of
2240 expand_end_bindings and adapted to create one handler per nonlocal
2242 * function.c (delete_handlers): Delete insn if it references any of
2243 the nonlocal goto handler slots.
2244 * i960.md (nonlocal_goto): Comment out code that modifies
2246 * sparc.md (nonlocal_goto): Likewise.
2247 (goto_handler_and_restore_v9): Comment out.
2248 (goto_handler_and_restore_v9_sp64): Comment out.
2250 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2252 * expr.c (STACK_BYTES): Delete unused macro.
2253 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2254 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2255 (expand_call): Likewise.
2256 (emit_library_call): Likewise.
2257 (emit_library_call_value): Likewise.
2258 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2259 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2260 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2261 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2262 (allocate_dynamic_stack_space): Likewise.
2263 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2264 (STACK_BOUNDARY): Update description to reflect the new situation.
2266 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2268 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2269 return with a filled delay slot is followed by a return with an
2270 unfilled delay slot, delete the first return and reemit the insn
2271 that was previously in its delay slot.
2273 * i860.c (single_insn_src_p): Add missing parens.
2274 * ginclude/math-3300.h: Likewise.
2276 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2278 * regclass.c (init_reg_sets_1): Add prototype.
2279 (init_reg_modes): Likewise.
2281 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2283 * c-common.c: Change warning messages to say `comparison is
2284 always true' or `comparison is always false' instead of the
2285 confusing `is always 0', `is always 1'.
2287 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2289 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2290 break instead of return (which loses closing '>').
2292 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2294 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2295 standard 387 constants.
2297 * i386.md (jump): Explicitly set "memory" attribute.
2298 (indirect_jump, prologue_set_stack_ptr): Likewise.
2299 (prologue_get_pc_and_set_got, pop): Likewise.
2300 (allocate_stack_worder, blockage, return_internal): Likewise.
2301 (return_pop_internal, nop): Likewise.
2302 (epilogue_set_stack_ptr, leave): Likewise.
2304 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2306 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2308 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2310 * reload1.c (reload_reg_free_for_value_p):
2311 Early auto_inc reloads don't conflict with outputs.
2313 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2315 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2316 Instead call AC_HEADER_SYS_WAIT.
2318 * collect2.c: Don't provide defaults for sys/wait.h macros.
2320 * protoize.c: Likewise. Also, don't include sys/wait.h.
2322 * system.h: Include sys/wait.h and provide macro defaults.
2324 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2326 * Makefile.in (mandir): Set to @mandir@.
2327 (man1dir): New variable to hold the former value of $(mandir).
2328 Replace all uses of $(mandir) by $(man1dir).
2330 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2332 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2333 a new one before passing it to force_const_mem.
2335 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2336 find_reloads_address call.
2338 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2340 * expr.c (store_expr): Don't generate load-store pair
2341 if TEMP is identical (according to ==) with TARGET.
2343 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2345 * reload1.c (reload_reg_free_for_value_p): When considered reload
2346 has an output, matching inputs are not sufficient to avoid conflict.
2348 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2350 * hash.h (hash_table_key): New type.
2351 (hash_entry): Change `string' field to generic `key'.
2352 (hash_table): Add `comp' and `hash' functions.
2353 (hash_table_init): Take them as input.
2354 (hash_table_init_n): Likewise.
2355 (hash_lookup): Modify for generic keys.
2356 (hash_newfunc): Likewise.
2357 (hash_traverse): Likewise.
2358 (string_hash): New function.
2359 (string_compare): Likewise.
2360 (string_copy): Likewise.
2361 * hash.c (hash_table_init_n): Modify for generic keys.
2362 (hash_table_init): Likewise.
2363 (hash_lookup): Likewise.
2364 (hash_newfunc): Likewise.
2365 (hash_traverse): Likewise.
2366 (string_hash): Split out from hash_lookup.
2367 (string_compare): New function.
2368 (string_copy): Split out from hash_lookup.
2369 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2371 (symbol_hash_lookup): Likewise.
2372 (file_hash_newfunc): Likewise.
2373 (file_hash_lookup): Likewise.
2374 (demangled_hash_newfunc): Likewise.
2375 (demangled_hash_lookup): Likewise.
2376 (tlink_int): Likewise.
2377 (read_repo_file): Likewise.
2378 (recompile_files): Likewise.
2379 (demangle_new_symbols): Likewise.
2380 (scan_linker_output): Likewise.
2382 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2384 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2386 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2388 * rs6000.c (output_mi_thunk): Improve test for local branch.
2390 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2392 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2394 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2396 * reload1.c (reload_reg_free_before_p): Delete.
2397 Changed all callers to use reload_reg_free_for_value_p instead.
2398 (reload_reg_free_for_value_p): Handle more reload types.
2399 A RELOAD_FOR_INPUT doesn't conflict with its
2400 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2401 Add special case for OUT == const0_rtx.
2402 Added ignore_address_reloads argument. Changed all callers.
2404 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2406 * toplev.c (compile_file): Don't pedwarn about undefined static
2407 functions just because we passed -Wunused.
2409 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2411 * function.c (purge_addressof_1): Unshare rtl created by
2414 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2416 * regmove.c (regmove_optimize): Don't do anything but
2417 optimize_reg_copy[123] when flag_regmove is not set.
2419 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2421 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2422 value in paradoxical SImode result, rather than truncating midpoint.
2424 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2426 * alpha.c (reg_not_elim_operand): New.
2427 * alpha.h (PREDICATE_CODES): Add it.
2428 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2429 for the multiplicand.
2431 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2433 * rs6000.md (movsf): Remove explicit secondary-reload-like
2434 functionality. Only truncate SFmode store if in FPR.
2435 (movsf splitters): Combine const_double splitters.
2436 (movsf_hardfloat): Add GPR support.
2438 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2440 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2441 deprecate -mlive-g0 and -mbroken-saverestore.
2442 * t-splet (MULTILIB_OPTIONS): Likewise.
2444 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2445 in a leaf function. Clarify total_size/extra_size relationship.
2447 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2449 * i386/cygwin32.asm: Delete.
2450 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2451 * i386/cygwin32.h: Delete.
2452 * i386/cygwin.h: New file, renamed from cygwin32.h.
2453 * i386/t-cygwin32: Delete.
2454 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2455 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2456 * i386/x-cygwin32: Delete.
2457 * i386/x-cygwin: New file, renamed from x-cygwin32.
2458 * i386/xm-cygwin32: Delete.
2459 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2460 renamed cygwin_ funcs for path translations.
2461 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2462 * i386/winnt.c: Remove "32" from comment about cygwin.
2463 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2464 * rs6000/cygwin32.h: Delete.
2465 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2466 -D__CYGWIN__ to CPP_PREDEFINES.
2467 * rs6000/x-cygwin32: Delete.
2468 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2469 * rs6000/xm-cygwin32: Delete.
2470 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2472 * configure.in: Check for cygwin* instead of cygwin32. Account
2473 for the rename of cygwin-related config files to lose the "32"s.
2474 * configure: Regenerate.
2476 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2477 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2479 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2481 * Makefile.in (JAVAGC): New macro.
2482 * configure: Rebuilt.
2483 * configure.in: Recognize --enable-java-gc argument. Subst
2486 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2488 Handle equivalences that have been obscured by gcse:
2490 * reload1.c (reload): Handle equivalences set up in multiple places.
2491 * local-alloc.c (reg_equiv_init_insns): New variable.
2492 (no_equiv): New function.
2493 (update_equiv_regs): Handle equivalences set up in multiple places.
2494 Don't ignore an insn just because its destination is likely to be
2497 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2499 * except.c (expand_eh_return): Readd force_operand call lost in
2502 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2504 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2506 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2508 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2510 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2512 * regmove.c (regmove_optimize): Fix error in last change.
2514 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2516 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2517 offset in the .mask pseudo to compensate for frame pointer adjustments.
2518 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2519 word swap arguments moved to/from FP registers.
2520 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2522 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2524 * version.c: Bump for snapshot.
2526 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2528 * version.c: Bump for snapshot.
2530 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2532 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2533 times, then it can not be completely replaced.
2535 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2537 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2539 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2541 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2542 (to distinguish it from the macro wrapping ansidecl.h.)
2543 Include libiberty's ansidecl.h. Remove all redundant definitions.
2544 Define the PROTO() style macros in terms of the PARAMS() ones.
2547 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2548 __STDC__, when deciding whether to use ANSI variable args.
2549 (emit_library_call_value): Likewise.
2551 * cccp.c (error): Likewise.
2552 (warning): Likewise.
2553 (error_with_line): Likewise.
2554 (warning_with_line): Likewise.
2555 (pedwarn): Likewise.
2556 (pedwarn_with_line): Likewise.
2557 (pedwarn_with_file_and_line): Likewise.
2560 * cexp.y (error): Likewise.
2561 (pedwarn): Likewise.
2562 (warning): Likewise.
2564 * collect2.c (fatal_perror): Likewise.
2568 * combine.c (gen_rtx_combine): Likewise.
2570 * cpperror.c (cpp_message): Likewise.
2571 (cpp_fatal): Likewise.
2573 * cpplib.c (cpp_error): Likewise.
2574 (cpp_warning): Likewise.
2575 (cpp_pedwarn): Likewise.
2576 (cpp_error_with_line): Likewise.
2577 (cpp_warning_with_line): Likewise.
2578 (cpp_pedwarn_with_line): Likewise.
2579 (cpp_pedwarn_with_file_and_line): Likewise.
2581 * cpplib.h: Don't define PARAMS() macro.
2583 * demangle.h: Likewise.
2585 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2586 when deciding whether to use ANSI variable args.
2588 * emit-rtl.c (gen_rtx): Likewise.
2589 (gen_rtvec): Likewise.
2591 * final.c (asm_fprintf): Likewise.
2593 * fix-header.c (cpp_message): Likewise.
2595 (cpp_fatal): Likewise.
2597 * gcc.c (concat): Likewise.
2601 * genattr.c (fatal): Likewise.
2603 * genattrtab.c (attr_rtx): Likewise.
2604 (attr_printf): Likewise.
2607 * gencodes.c (fatal): Likewise.
2609 * genconfig.c (fatal): Likewise.
2611 * genemit.c (fatal): Likewise.
2613 * genextract.c (fatal): Likewise.
2615 * genflags.c (fatal): Likewise.
2617 * genopinit.c (fatal): Likewise.
2619 * genoutput.c (fatal): Likewise.
2622 * genpeep.c (fatal): Likewise.
2624 * genrecog.c (fatal): Likewise.
2626 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2627 deciding whether to declare `tree_node' and `rtx_def'.
2629 * hash.h: Don't define stuff we get from gansidecl.h.
2631 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2632 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2633 whether to use ANSI variable args.
2636 * prefix.c (concat): Likewise.
2640 * system.h: Likewise.
2642 * toplev.c (error_with_file_and_line): Likewise.
2643 (error_with_decl): Likewise.
2644 (error_for_asm): Likewise.
2647 (warning_with_file_and_line): Likewise.
2648 (warning_with_decl): Likewise.
2649 (warning_for_asm): Likewise.
2650 (warning): Likewise.
2651 (pedwarn): Likewise.
2652 (pedwarn_with_decl): Likewise.
2653 (pedwarn_with_file_and_line): Likewise.
2655 (really_sorry): Likewise.
2657 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2658 whether to declare `tree_node' and `rtx_def'.
2660 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2661 deciding whether to use ANSI variable args.
2662 (build_nt): Likewise.
2663 (build_parse_node): Likewise.
2665 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2667 * version.c: Bump for snapshot.
2669 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2671 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2673 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2675 * collect2.c (main, case 'b'): Use else if.
2677 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2679 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2680 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2681 before the config/ directory headers.
2682 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2683 gansidecl.h in the list of dependencies.
2685 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2686 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2687 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2688 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2689 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2690 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2693 * cccp.c: Don't include gansidecl.h.
2695 * collect2.c: Likewise.
2696 * config/c4x/c4x.c: Likewise.
2697 * config/v850/v850.h: Likewise.
2698 * cppalloc.c: Likewise.
2699 * cpperror.c: Likewise.
2700 * cppexp.c: Likewise.
2701 * cppfiles.c: Likewise.
2702 * cpphash.c: Likewise.
2703 * cpplib.c: Likewise.
2704 * cppmain.c: Likewise.
2705 * cppulp.c: Likewise.
2706 * demangle.h: Likewise.
2707 * doprint.c: Likewise.
2708 * dyn-string.c: Likewise.
2709 * eh-common.h: Likewise.
2710 * fix-header.c: Likewise.
2711 * frame.c: Likewise.
2714 * gen-protos.c: Likewise.
2715 * gencheck.c: Likewise.
2716 * halfpic.h: Likewise.
2718 * machmode.h: Likewise.
2719 * mbchar.c: Likewise.
2720 * prefix.c: Likewise.
2721 * protoize.c: Likewise.
2722 * recog.h: Likewise.
2724 * scan-decls.c: Likewise.
2726 * varray.h: Likewise.
2728 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2730 * i386.md (call_value_pop): If we're not popping anything,
2731 defer to call_value.
2732 (call_pop): Likewise defer to call.
2734 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2736 * function.c (purge_addressof): Clear purge_addressof_replacements
2737 only after processing the whole function.
2739 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2741 * reload1.c (reload): If we can not perform a particular elimination
2742 when we thought we could earlier, then we must always iterate through
2743 the loop at least one more time.
2745 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2747 * alpha.c (add_operand): Simplify the CONST_INT match.
2748 (sext_add_operand): Correct typo in comparison by using
2749 CONST_OK_FOR_LETTER_P.
2750 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2751 constant alternatives to be generated.
2752 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2753 small constants, since the hw instructions do.
2755 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2757 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2758 previous insn to store directly into our reload register, make sure
2759 that if the source of the previous insn is a reload register, its
2760 spill_reg_store and spill_reg_stored_to values are cleared.
2762 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2764 * rs6000.md (floatunssidf2_internal splitter): Use base register
2765 operand, not hard-coded SP.
2767 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2769 * jump.c (calculate_can_reach_end): Fix thinko.
2771 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2773 * reorg.c (fill_simple_delay_slots): Fix typo.
2775 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2777 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2779 * i386.md (extendsidi2): Use # in the output template.
2780 (extendsidi splitters): New splitters.
2782 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2784 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2786 * configure: Regenerate.
2788 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2790 * jump.c (init_label_info, delete_barrier_successors,
2791 mark_all_labels, delete_unreferenced_labels,
2792 delete_noop_moves, calculate_can_reach_end): New functions broken
2793 out of jump_optimize.
2794 (jump_optimize): Use them.
2796 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2798 * except.c (expand_fixup_region_end): Make sure outer context labels
2799 are not issued in an inner context during cleanups.
2801 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2803 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2806 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2808 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2809 to expose this midpoint to CSE.
2811 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2813 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2815 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2817 * configure.in: Bring over gcc2 change of Nov 19 1997.
2819 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2821 * toplev.c (output_lang_identify): Make definition dependent on
2822 ASM_IDENTIFY_LANGUAGE.
2824 * print-rtl.c (spaces): Make static.
2826 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2828 * extend.texi: Clarify proper uses for register clobbers in asms.
2830 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2832 * recog.h (enum op_type): Define.
2833 (constrain_operands): Adjust prototype.
2834 (recog_op_type): Declare new variable.
2835 * recog.c (recog_op_type): New variable.
2836 (insn_invalid_p): Allow modifying an asm statement after reload.
2837 (extract_insn): Set up recog_op_type.
2838 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2839 Don't compute operand types, use recog_op_type.
2840 Use the information computed by extract_insn instead of the previous
2841 method of finding it by insn code number.
2842 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2843 * reorg.c (fill_slots_from_thread): Likewise.
2844 * reload1.c (reload_as_needed): Likewise.
2845 (gen_reload): Likewise.
2846 (inc_for_reload): Likewise.
2847 (reload_cse_simplify_operands): Likewise.
2848 Use the information computed by extract_insn instead of the previous
2849 method of finding it by insn code number.
2850 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2852 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2853 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2854 Use the information computed by extract_insn instead of the previous
2855 method of finding it by insn code number.
2856 * regmove.c (find_matches): Likewise. Change meaning of the return
2857 value to be nonzero if the optimization can be performed, zero if
2858 not. All callers changed.
2859 Shorten some variable names to fix formatting problems.
2860 (regmove_optimize): Shorten some variable names to fix formatting
2862 Use the information computed by extract_insn instead of the previous
2863 method of finding it by insn code number.
2864 * regclass.c (scan_one_insn): Likewise.
2865 (record_reg_classes): Don't compute operand types, use recog_op_type.
2866 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2867 recog_constraints instead.
2869 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2871 * rtl.h (flow2_completed): Declare.
2872 * flow.c (flow2_completed): Definition.
2873 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2876 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2878 * Makefile.in (libcpp.a): Ranlib libcpp.a
2880 * cppulp.c (user_label_prefix): Initialize.
2882 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2884 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2885 at a RETURN if current_function_sp_is_unchanging is set.
2887 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2889 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2891 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2893 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2894 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2895 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2896 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2897 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2898 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2900 (LIB_SPEC): Handle -mno-cyginw option.
2901 (LINK_SPEC): Handle -mdll.
2903 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2905 * reload.c (find_reloads): Fix test for usage by other reload
2906 to handle secondary reloads properly.
2908 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2910 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2911 intermediate structure which has exactly the members provided by
2912 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2913 static intermediate structure.
2915 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2916 from the intermediate structure. Do the same analogous fix in
2917 the case where ELIMINABLE_REGS is not defined.
2919 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2921 * pa.h (SELECT_SECTION): Fix thinko.
2923 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2925 * dwarf2out.c (output_call_frame_info): Comments on last change.
2927 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2929 * arm.c (add_constant): When taking the address of an item in the
2930 pool, get the mode of the item addressed.
2932 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2933 contain a SET or a PARALLEL, don't consider it for conditional
2936 Restore ABI compatibility for NetBSD.
2937 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2939 (RETURN_IN_MEMORY): Likewise.
2941 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2943 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2944 (m32r_output_block_move): Rewrite bytes < 4 handling.
2946 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2948 * configure.in: Call AC_FUNC_VFORK.
2950 * collect2.c: Define VFORK_STRING as a printable string for
2951 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2952 defined, include vfork.h. If VMS is defined, define vfork()
2953 appropriately. Remove vfork check on USG, we're using autoconf.
2954 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2955 checking locally what string to pass.
2956 (scan_prog_file): Likewise.
2957 (scan_libraries): Likewise.
2959 * gcc.c: Remove vfork check on USG, we're using autoconf.
2960 Besides, no calls to vfork/fork occur in this file.
2962 * protoize.c: Likewise.
2964 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2966 * configure.in (DEFAULT_LINKER): renamed from LD
2967 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2968 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2969 * configure: rebuilt
2971 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2973 * BUGS: fix the regexp for `more' to find the appropriate node.
2974 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2976 * BUGS: added link to the WWW FAQ
2978 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2980 * version.c: Bump for snapshot.
2982 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2984 * From Christian Gafton:
2985 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2986 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2987 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2989 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2991 * c-common.c (c_get_alias_set): Allow all type-punning through
2992 unions. Don't get confused about the type of a bit-field, despite
2993 the antics of build_modify_expr.
2995 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2997 * fixinc.sco: Paramaterize #include_next values.
2998 * fixinc/fixinc.sco: Likewise.
3000 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3002 * toplev.c (rest_of_compilation): No longer set reload_completed.
3003 * reload1.c (reload): Set it here. Perform instruction splitting
3004 after reload has completed if we will be running the scheduler
3007 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3009 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3010 EH region if exceptions are enabled and we're performing cross
3012 (find_cross_jump): Exit loop if the insns are in different EH regions.
3014 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3016 * dwarf2out.c (output_call_frame_info): Use
3017 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3019 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3021 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3022 * c-common.c (check_format_info): Don't check for the 'x'
3023 format character twice, instead check for 'x' and 'X'
3025 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3027 * configure.in (assembler features): Also make gas is configured if
3028 we find it in the souce tree.
3030 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3032 * i386.c (i386_comp_type_attributes): Compare whether the
3033 attributes are defined, not their tree nodes.
3035 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3037 * configure.in (gxx_include_dir): bitten by autoconf quoting
3039 * configure: rebuilt
3041 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3043 * configure.in: Ignore non-absolute value in $AS.
3045 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3047 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3049 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3051 * configure.in (msdosdjgpp): Set exeext and target_alias.
3053 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3055 * flow.c (XNMALLOC): New macro.
3056 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3058 (add_edge, add_edge_to_label): New static functions.
3059 (free_bb_memory): New function.
3060 (flow_delete_insn): Delete function.
3061 (basic_block_drops_in): Delete variable.
3062 (find_basic_blocks): Allocate and initialize basic_block_head,
3063 basic_block_succ. Don't allocate basic_block_drops_in.
3064 Call free_bb_memory at the beginning.
3065 (find_basic_blocks_1): Don't do multiple passes.
3066 Delete code to compute basic_block_drops_in.
3067 After calling make_edges, mark blocks reached by current block live.
3068 Update test for unreachable live blocks.
3069 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3071 Simplify to call add_edge_to_label when a LABEL_REF is found.
3072 (make_edges): Simplify to call add_edge_to_label instead of
3073 mark_label_ref most of the time.
3074 Compute here whether control drops into the next block.
3075 (delete_unreachable_blocks): Return void. All callers changed.
3076 Delete unreachable blocks in reverse order.
3077 After deleting all unreachable blocks, renumber the remaining ones
3078 and update n_basic_blocks.
3079 (delete_block): Speed up deletion a bit.
3080 Don't set basic_block_drops_in for deleted blocks.
3081 (free_basic_block_vars): Don't free basic_block_drops_in.
3082 (life_analysis_1): Update to use new edge representation.
3083 (dump_flow_info): Delete code to print basic block info; call
3084 dump_bb_data instead.
3085 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3086 and uid_block_number.
3087 Simply copy the previously computed cfg.
3088 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3089 Print register lifetime information if LIVE_INFO is nonzero.
3090 * basic-block.h (dump_bb_data): Adjust prototype.
3091 * gcse.c (gcse_main): Update call to dump_bb_data.
3092 * rtl.h (free_bb_memory): Declare.
3093 * toplev.c (rest_of_compilation): Call free_bb_memory.
3095 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3096 (update_eliminable_offsets): Don't compute it.
3097 (set_initial_elim_offsets): Don't initialize it.
3098 Break out some code into set_initial_label_offsets so the rest of
3099 this function can be called from reload_as_needed.
3100 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3101 ELIMINABLE_REGS isn't.
3102 (set_initial_label_offsets): New function, broken out of
3103 set_initial_elim_offsets.
3104 (set_offsets_for_label): New function, broken out of set_label_offsets
3105 and reload_as_needed.
3106 (reload): Call the two new functions.
3107 (reload_as_needed): Call set_initial_elim_offsets instead of
3108 duplicating the code. Likewise for set_offsets_for_label.
3110 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3111 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3112 any hard reg, reg_reloaded_dead contains valid data.
3114 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3116 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3117 "stdcall" and "cdecl" attributes.
3119 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3121 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3122 handle deleted no-op moves of hard registers.
3123 * haifa-sched.c (update_flow_info): Likewise.
3125 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3127 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3128 of the sequences to reload the HILO register which do not actually
3131 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3133 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3135 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3137 * except.c (emit_eh_context): Make the EH context register stay alive
3138 at -O0 so stupid.c doesn't get confused.
3140 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3142 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3144 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3145 Jeffrey A Law (law@cygnus.com)
3147 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3148 (zero_extendsidi2): Use # in output template and handle completely by
3150 (zero_extend splitters): New define_splits.
3151 (ashiftrt_32): New pattern.
3153 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3155 * tree.c (append_random_chars): New fn.
3156 (get_file_function_name_long): Use it.
3158 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3160 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3161 (LIBCPP_OBJS): New. Add cppulp.o.
3162 (cppmain, fix-header): Depend on and use libcpp.a.
3163 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3164 of the individual object files.
3165 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3168 * cccp.c (user_label_prefix): New.
3169 (main): Set it off -f*leading-underscore.
3170 (special_symbol): Use it.
3171 * cpplib.c (special_symbol): Likewise.
3172 (cpp_handle_option): Handle -f*leading-underscore.
3173 * cppulp.c: New file.
3175 * output.h (user_label_prefix): Declare it.
3176 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3177 * toplev.c (f_options, main): Handle -f*leading-underscore.
3179 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3180 referencing USER_LABEL_PREFIX directly.
3181 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3182 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3183 * final.c (asm_fprintf): Use user_label_prefix instead.
3184 * arm/thumb.c (thumb_print_operand): Likewise.
3186 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3187 cpp wherever appropriate.
3189 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3191 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3192 specific compiler switches.
3194 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3196 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3199 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3201 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3202 structure which has exactly the members provided by EXTRA_SPECS.
3203 Xmalloc() the real `extra_specs', and initialize it from this
3204 intermediate structure.
3206 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3208 * mips.h (EXTRA_SPECS): Likewise.
3210 * sparc.h (EXTRA_SPECS): Likewise.
3212 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3214 * function.c (purge_addressof_1): Instead of aborting when a
3215 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3216 work just put the ADDRESSOF on stack. Otherwise remember all such
3217 successfull replacements, so that exactly the same replacements
3218 can be made on the REG_NOTEs. Remove the special case for CALL
3220 (purge_addressof_replacements): New variable.
3221 (purge_addressof): Clear it at end.
3223 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3225 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3226 (lang_init): Call check_newline always.
3227 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3228 cpp_start_read, set yy_cur and yy_lim to read from
3229 parse_in.token_buffer, so that we'll see the first #line
3231 * cpplib.c (cpp_start_read): finclude the main input file
3232 before processing -include/-imacros. Process -imacros and
3233 -include separately, and handle -include by stacking a
3234 buffer for the file in question as if it'd been #included.
3235 * toplev.c (documented_lang_options) Recognize -H when
3238 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3240 * cpplib.c: Merge do_once into do_pragma. Break file handling
3241 code out of do_include.
3242 Move append_include_chain, deps_output,
3243 file_cleanup, redundant_include_p, import_hash,
3244 lookup_import, add_import, read_filename_string, read_name_map,
3245 open_include_file, finclude, safe_read to cppfiles.c.
3246 Move prototypes for deps_output, append_include_chain,
3247 finclude to cpplib.h. Move definition of struct
3248 file_name_list there also.
3250 * cppfiles.c: New file. Contains all the above functions
3251 broken out of cpplib.c; also hack_vms_include_specification
3252 from cccp.c and find_include_file, a new function broken out of
3255 * Makefile.in (cppmain): Depend on cppfiles.o.
3256 (fix-header): Likewise.
3257 (cppfiles.o): New target.
3258 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3259 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3261 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3263 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3264 if pending_types is non-zero.
3265 (dwarfout_finish): Verify pending_types is zero before finishing.
3267 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3269 * expr.c (convert_move): Use shifts to perform the move if a
3270 suitable extend pattern cannot be found. Code written by
3271 Richard Henderson <rth@cygnus.com>.
3273 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3275 * regclass.c (renumber, regno_allocated): New static variables, moved
3276 out of allocate_reg_info.
3277 (allocate_reg_info): Move these two variables outside the function.
3278 Move code to free memory into new function free_reg_info.
3279 (free_reg_info): New function, broken out of allocate_reg_info.
3280 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3281 * rtl.h (allocate_reg_info): Don't declare.
3282 (free_reg_info): Declare.
3284 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3286 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3288 * toplev.c (compile_file): Temporarily revert last change.
3290 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3292 * c-typeck.c (convert_for_assignment): Parenthesize.
3294 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3296 * reload1.c (delete_output_reload): Avoid ambigous else.
3298 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3300 * toplev.c (compile_file): Call allocate_reg_info to free register
3302 * rtl.h (allocate_reg_info): Declare.
3304 * PROJECTS: Remove entry for local spilling.
3306 * final.c (cleanup_subreg_operands): New function.
3307 (final_scan_insn): Use it.
3308 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3310 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3311 operands when reload has finished.
3312 * reload.h (cleanup_subreg_operands): Declare..
3313 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3314 reload. Handled in reload itself.
3316 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3318 * reload1.c (verify_initial_offsets): New function.
3319 (reload): Call it after reload_as_needed. Also verify that the frame
3320 size stays constant during reload_as_needed.
3321 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3323 * reload.h (struct insn_chain): Add need_operand_change element.
3324 * reload1.c (new_insn_chain): Clear it.
3325 (calculate_needs_all_insns): Set it; don't overload need_reload.
3326 (reload_as_needed): Use it.
3328 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3329 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3330 and reload_address_index_reg_class.
3331 (find_reloads_address_1): Likewise.
3332 * reload.h (reload_address_base_reg_class,
3333 reload_address_index_reg_class): Don't declare.
3334 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3335 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3336 (used_spill_regs): Now static.
3337 (reload_address_base_reg_class, reload_address_index_reg_class,
3338 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3339 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3340 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3343 (init_reload): Delete code to compute base/index reg classes.
3344 (reload): Delete variable J.
3345 Delete code to manage basic_block_needs.
3346 Don't compute regs_explicitly_used.
3347 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3348 pseudo_previous_regs.
3349 Initialize bad_spill_regs_global.
3350 Don't call order_regs_for_reload here.
3351 Don't initialize spill_reg_order and n_spills.
3352 Don't forbid explicitly used regs to be used for spill regs.
3353 Change main loop to infinite loop, with explicit break statements.
3354 Make SOMETHING_CHANGED variable local to that loop.
3355 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3356 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3357 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3359 Don't call dump_needs.
3360 Delete code to reset potential_reload_regs.
3361 Delete code to terminate loop conditional on the global needs variables
3362 showing no further needs.
3363 (calculate_needs_all_insns): Return void. All callers changed.
3364 Initialize somehing_needs_elimination here, not in reload.
3365 Delete avoid_return_reg kludge.
3366 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3367 All callers changed.
3368 Initialize the group_mode and group_size elements of the arg CHAIN.
3369 Delete code to manage basic_block_needs.
3370 Operate on elements of CHAIN instead of global variables.
3371 Delete avoid_return_reg kludge.
3372 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3373 All callers changed.
3374 Operate on elements of CHAIN instead of global variables.
3375 Delete special SMALL_REGISTER_CLASSES code.
3376 Delete spill_failure code; now in new_spill_reg.
3377 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3378 All callers changed.
3379 Operate on elements of CHAIN instead of global variables.
3380 (maybe_mark_pseudo_spilled): New static function.
3381 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3382 All callers changed.
3383 Operate on elements of CHAIN instead of global variables.
3384 Call order_regs_for_reload here, not in reload.
3385 Initialize spill_reg_order and n_spills.
3386 Simplify test whether an asm insn is involved.
3387 Delete spill_failure code; now in new_spill_reg.
3388 Call maybe_mark_pseudo_spilled for everything marked as live in
3389 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3391 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3392 compiler from optimizing this function (now unused) away.
3393 Operate on elements of CHAIN instead of global variables.
3394 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3396 Operate on elements of CHAIN instead of global variables.
3397 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3398 take CHAIN arg. All callers changed.
3399 Operate on elements of CHAIN instead of global variables.
3400 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3401 CHAIN, NONGROUP args. Return void. All callers changed.
3402 Verify caller isn't trying to spill a pseudo.
3403 Simplify test for illegal reg, just use bad_spill_regs.
3404 Generate better error messages.
3405 Operate on elements of CHAIN instead of global variables.
3406 Mark spilled register in CHAIN's used_spill_regs element.
3407 Don't call spill_hard_reg.
3408 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3409 Mark spilled hard regs in bad_spill_regs_global.
3410 Mark affected pseudos in spilled_pseudos, but don't spill them.
3411 (ior_hard_reg_set): New static function.
3412 (finish_spills): Return int. All callers changed.
3413 Compute spill_reg_order, n_spills and spill_regs here. Also update
3414 regs_ever_live for regs used as spills.
3415 For every pseudo in spilled_pseudos, spill it and mark the previous
3416 hard reg it had in pseudo_previous_regs. Compute which hard regs
3417 arseudo): New static function.
3418 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3419 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3420 hard registers explicitly used across the current insn into the set.
3421 Compute hard_reg_n_uses taking only pseudos live across this insn
3423 Tweak sorting of potential_reload_regs.
3424 (compare_spill_regs): Delete function.
3425 (reload_as_needed): Don't sort the spill_regs array, it's computed
3426 in proper order in finish_spills.
3427 Delete avoid_return_reg kludge.
3428 Delete code to manage basic_block_needs.
3429 (allocate_reload_reg): Minor speed/readability tweaks.
3430 Operate on elements of CHAIN instead of global variables.
3431 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3432 Delete avoid_return_reg kludge.
3433 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3434 Delete unused label FAIL.
3435 (reload_combine): Replce reload_address_index_reg_class with
3437 Don't use used_spill_regs to determine information about lifetime of
3440 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3442 * toplev.c (display_help): Ignore empty target specific
3443 options, and if -W is also specified on the command line then
3444 display undocumented options.
3446 * config/arm/arm.c: Updated with changes in devo sources.
3447 * config/arm/arm.h: Updated with changes in devo sources.
3448 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3449 * config/arm/lib1thumb.asm: Add ELF support.
3451 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3453 * collect2.c (aix64_flag): New variable.
3454 (main, case 'b'): Parse it.
3455 (GCC_CHECK_HDR): object magic number must match mode.
3456 (scan_prog_file): Only check for shared object if valid header.
3457 Print debugging if header/mode mismatch.
3459 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3461 Added support for arm-elf-linux configuration, submitted by Philip
3462 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3463 code developed by Catherine Moore <clm@cygnus.com>. The following
3466 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3469 * configure: Regenerated.
3471 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3472 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3473 definitions conditional on their not having been already defined.
3475 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3476 and .type directives, and add "(PLT)" qualification to function
3479 * config/arm/linux.h: Deleted. This file is now superceeded by
3480 either linux-elf.h or linux-aout.h.
3482 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3483 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3485 Move definitions from old linux.h file here.
3487 * config/arm/elf.h: New file. Generic ARM/ELF support.
3489 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3491 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3493 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3494 using the 26bit APCS.
3496 * config/arm/unknown-elf.h: New file. Support for OS'es other
3497 than Linux with ELF.
3499 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3502 * config/arm/coff.h: Include aout.h for basic assembler macros.
3503 Add support for -mstructure_size_boundary=<n> command line option.
3505 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3506 command line option. Make macro definitions conditional on their
3507 not having been already defined.
3509 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3510 command line option.
3513 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3515 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3516 has been changed to not include a newline. Use this macro instead.
3517 (output_enumeral_list, const_value_attribute, name_attribute,
3518 comp_dir_attribute, prototyped_attribute, producer_attribute,
3519 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3520 dwarfout_file_scope_decl, generate_new_sfname_entry,
3521 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3522 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3524 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3526 * combine.c (subst): Process the inputs to a parallel asm_operands
3529 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3531 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3533 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3535 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3537 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3539 * version.c: Bump for snapshot.
3541 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3543 * stmt.c (expand_fixup): Set fixup->before_jump to a
3544 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3546 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3548 * Makefile.in (recog.o): Depend on toplev.h.
3549 (insn-emit.o): Depend on recog.h.
3550 (insn-peep.o): Depend on recog.h and insn-config.h.
3552 * combine.c (simplify_set): Remove unused variable `scratches'.
3554 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3555 and `idx' in macro conditional controlling their use.
3557 * genemit.c (main): Make the generated output file include
3558 recog.h. Don't have it declare `insn_operand_constraint', since
3559 we get it from recog.h.
3561 * genpeep.c (main): Make the generated output file include
3562 insn-config.h and recog.h.
3564 * recog.c: Include toplev.h.
3565 (extract_insn): Remove unused variable `p'.
3567 * regclass.c (fix_register): Add missing braces around initializer
3569 (allocate_reg_info): Move variable `i' into the scope where it is
3570 used. Change its type to `size_t'.
3572 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3574 * reload.c (push_reload): When merging reloads, make sure
3575 that reload_in_reg and reload_in are from the same reload in
3578 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3580 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3581 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3583 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3585 * loop.c (loop_has_tablejump): New variable.
3586 (prescan_loop): Scan for it.
3587 (insert_bct): Replace explicit scan with use of it.
3588 * regclass.c (regclass): Restore loop variable j.
3589 (record_reg_classes): Deterine op_types modifiers and initialize
3590 classes[i] before matching constraints. Handle matching
3593 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3595 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3598 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3600 * mips.h (EXTRA_SPECS): Add missing initializers.
3602 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3604 * sparc.h (EXTRA_SPECS): Add missing initializers.
3605 (sparc_defer_case_vector): Provide a prototype.
3607 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3608 comparing it to the result of a pointer subtraction.
3610 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3612 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3613 the argument to (unsigned char).
3615 * alpha.h (EXTRA_SPECS): Add missing initializers.
3616 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3619 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3621 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3622 (propagate_block): Delete dead code after reload.
3624 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3625 back Oct 15, 1998 change.
3626 * haifa-sched.c (update_flow_info): Likewise.
3627 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3629 * mn10200.md (truncated shift): Accept constant inputs too.
3631 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3633 * machmode.h (mode_mask_array): No longer const.
3634 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3636 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3638 * frame.c: Somewhat explain `FDE'.
3639 Suggested by Brendan Kehoe
3641 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3643 * expr.c (pending_chain): Move up.
3644 (save_expr_status): Do save pending_chain.
3645 (restore_expr_status): And restore it.
3646 * function.h (struct function): Add pending_chain.
3648 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3650 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3651 did not match the code.
3653 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3655 * regclass.c (regclass): Break out some code into new function
3656 scan_one_insn, and into regclass_init.
3657 (init_cost): New static variable, moved out of regclass.
3658 (regclass_init): Initialize it here, not in .
3659 (scan_one_insn): New static function, broken out of regclass.
3660 * recog.c (apply_change_group): Break out some code into new
3661 function insn_invalid_p.
3662 (insn_invalid_p): New static fn, broken out of apply_change_group.
3664 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3666 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3667 reg_reloaded_contents matches incremented pseudo.
3669 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3671 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3673 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3674 addressing modes with side effects. These are currently
3675 placeholders for the C4x target.
3677 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3679 * loop.c (express_from): Make sure that when generating a PLUS of
3680 a PLUS, any constant expression appears on the outermost PLUS.
3682 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3684 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3685 works if "$(srcdir)" != ".".
3687 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3689 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3690 existing SUBREG if we can, otherwise abort.
3692 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3694 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3695 `restrict' is applied to a non-pointer variable.
3697 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3699 * invoke.texi: Document -flang-isoc9x.
3701 * Makefile.in (OBJS): Add splay-tree.o.
3702 (c-common.o): Depend on rtl.h.
3703 (splay-tree.o): List dependencies and provide build rule.
3705 * rtl.h (record_alias_subset): New function.
3706 * alias.c: Include splay-tree.h.
3707 (alias_set_entry): New type.
3708 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3709 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3710 (mems_in_disjoin_alias_sets_p): New function.
3711 (alias_set_compare): Likewise.
3712 (insert_subset_children): Likewise.
3713 (get_alias_set_entry): Likewise.
3715 * tree.h (TYPE_RESTRICT): New macro.
3716 (TYPE_UNQUALIFIED): New manifest constant.
3717 (TYPE_QUAL_CONST): Likewise
3718 (TYPE_QUAL_VOLATILE): Likewise.
3719 (TYPE_QUAL_RESTRICT): Likewise.
3720 (tree_type): Add restrict_flag. Reduce count of free bits.
3721 (DECL_POINTER_ALIAS_SET): New macro.
3722 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3723 (tree_decl): Add pointer_alias_set.
3724 (build_qualified_type): New function.
3725 (build_type_variant): Define in terms of build_qualified_type.
3726 * tree.c (set_type_quals): New function.
3727 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3728 (build_type_attribute_variant): Use build_qualified_type and
3730 (build_type_variant): Rename, and modify, to become...
3731 (build_qualified_type): New function.
3732 (build_complex_type): Use set_type_quals.
3734 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3735 (C_TYPE_FUNCTION_P): Likewise.
3736 (C_TYPE_INCOMPLETE_P): Likewise.
3737 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3738 (c_apply_type_quals_to_decl): New function.
3739 (c_build_qualified_type): New function.
3740 (c_build_type_variant): Define in terms of c_build_qualified_type.
3741 (flag_isoc9x): Declare.
3742 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3743 (common_type): Change to use TYPE_QUALS.
3744 (comptypes): Likewise.
3745 (convert_for_assignment): Likewise.
3746 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3747 * c-decl.c (flag_isoc9x): Define.
3748 (c_decode_option): Handle -flang-isoc9x.
3749 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3750 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3751 * c-lex.c (init_lex): Deal with restrict.
3752 (init_lex): Don't treat restrict as a reserved word in
3753 -traditional mode, or without -flang-isoc9x.
3754 * c-lex.h (rid): Add RID_RESTRICT.
3755 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3756 equivalent to RID_RESTRICT.
3757 * c-parse.in (TYPE_QUAL): Update comment.
3758 * c-common.c: Include rtl.h.
3759 (c_find_base_decl): New function.
3760 (c_build_type_variant): Rename, and modify, to become ...
3761 (c_build_qualified_type): New function.
3762 (c_apply_type_quals_to_decl): Likewise.
3763 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3764 a particular alias set for the reference.
3765 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3767 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3769 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3770 command line switches.
3772 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3774 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3777 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3779 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3781 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3783 * regclass.c (fix_register): Add error message.
3784 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3787 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3789 * c-decl.c (warn_missing_noreturn): New global variable.
3790 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3791 (finish_function): Implement missing noreturn warning.
3793 * c-tree.h (warn_missing_noreturn): Declare extern.
3795 * invoke.texi: Document new flags.
3797 * toplev.c (documented_lang_options): Add description.
3799 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3801 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3802 loop optimization stable for the C4x.
3803 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3804 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3805 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3807 (c4x_address_conflict): Be more paranoid when packing a volatile
3808 memref in a parallel load/store.
3810 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3812 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3813 repeat_block_filler): Deleted.
3814 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3815 Condition code not set if destination register from 'c' class.
3816 (*subbqi3_carry_clobber): Fix typo.
3818 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3820 * reorg.c (steal_delay_list_from_target) Check for insns that
3821 modify the condition codes and effect the direction of the jump
3824 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3826 * function.c (purge_addressof_1): Replace call to
3827 emit_insns_before() with emit_insn_before().
3829 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3831 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3833 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3835 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3837 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3839 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3840 clobbered across calls.
3842 * loop.c (scan_loop): Be more selective about what invariants are
3843 moved out of a loop.
3845 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3847 * version.c: Bump for snapshot.
3849 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3851 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3852 static eh_context structure.
3854 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3856 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3858 (try_combine): Don't update max_scratch.
3859 * flow.c (max_scratch, num_scratch): Delete variables.
3860 (life_analysis_1): Don't initialize max_scratch.
3861 (propagate_block): Don't update max_scratch.
3862 (mark_set_1): Don't increment num_scratch.
3863 * regs.h (max_scratch): Delete declaration.
3865 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3867 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3868 is nonzero. This is temporary!
3870 * sched.c (update_flow_info): Handle death notes made invalid by
3871 instruction splitting. Partially reverts Oct 15, 1998 patch.
3872 * haifa-sched.c (update_flow_info): Likewise.
3874 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3876 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3877 if it has a nonzero DECL_INITIAL.
3879 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3881 * Makefile.in (flow.o): Depend on recog.h.
3883 * cpplib.h (directive_table): Add missing initializiers.
3884 (finclude): Change type of variable `bsize' to size_t.
3886 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3888 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3890 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3891 `int' when comparing against one.
3892 (cpp_file_line_for_message): Mark parameter `pfile' with
3894 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3896 * flow.c: Include recog.h.
3897 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3899 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3900 `f' with ATTRIBUTE_UNUSED.
3901 (reposition_prologue_and_epilogue_notes): Likewise.
3903 * genopinit.c (gen_insn): Cast argument of ctype functions to
3906 * haifa-sched.c: Include recog.h.
3907 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3908 comparing against one.
3910 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3912 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3914 (parse_ent): Likewise.
3915 (parse_input): Likewise.
3917 * optabs.c (init_libfuncs): Likewise.
3919 * protoize.c (find_rightmost_formals_list): Likewise.
3921 * recog.h (const_double_operand): Fix typo in prototype.
3923 * tlink.c (scan_linker_output): Cast the argument of ctype
3924 function to `unsigned char'.
3926 * toplev.c (check_lang_option): Cast the result of `strlen' to
3927 `int' when comparing against one.
3929 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3931 * gcse.c (dump_cuid_table): Correct typo.
3933 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3935 * toplev.c (display_help): Prepend '-m' to target specific
3937 (check_lang_option): Ignore text after end of first word of a
3938 language specific option.
3940 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3942 * reload1.c (reg_used_by_pseudo): New static variable.
3943 (choose_reload_regs): Initialize it.
3944 Use it instead of testing spill_reg_order to determine whether a
3945 pseudo is live in a hard register across the current insn.
3946 Fix a typo in a reference to reload_reg_rtx.
3948 * flow.c (propagate_block): Replace code that computes and uses
3949 regs_sometimes_live with simpler code that just walks the set of
3950 currently live registers.
3952 * Makefile.in (insn-extract.o): Fix dependencies.
3953 * genextract.c (main): Generate includes for insn-config.h and
3955 Delete generation of declarations which are now in recog.h.
3956 * genrecog.c (main): Delete generation of definitions which are
3958 * local-alloc.c (block_alloc): Use extract_insn and the variables
3959 it sets up instead of looking up values by insn_code.
3960 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3961 recog_dup_num): Define here instead of generating the definition in
3963 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3964 recog_operand_mode, recog_constraints, recog_operand_address_p):
3966 (extract_insn): New function.
3967 * recog.h (extract_insn): Declare function.
3968 (which_alternative, recog_n_operands, recog_n_dups,
3969 recog_n_alternatives, recog_operand_mode, recog_constraints,
3970 recog_operand_address_p): Declare variables.
3971 * regclass.c (n_occurrences): New static function.
3972 * reload.c (n_occurrences): Delete function.
3973 (find_reloads): Use extract_insn.
3974 * reload.h (n_occurrences): Delete declaration.
3976 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3978 * reload1.c (reload_as_needed): Fix test for when to call
3979 update_eliminable_offsets.
3981 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3983 Fix consistency problems with reg_equiv_{mem,address};
3984 Improve reload inheritance;
3986 * reload.c (reload_out_reg): New variable.
3987 (loc_mentioned_in_p, remove_address_replacements): New functions.
3988 (remove_replacements): Deleted.
3989 (push_reload): Set reload_out_reg[i].
3990 When merging, also set reload_{in,out}_reg[i], and remove
3991 duplicate address reloads.
3992 (combine_reloads): Copy reload_out_reg[i].
3993 (find_reloads): Do make_memloc substitution also when
3994 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3996 Include *recog_operand_loc in commutativity operand changes.
3997 Generate optional output reloads.
3998 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3999 processing operands. Call make_memloc in reg_equiv_address code.
4000 Set *recog_operand_loc only after processing operands, and only
4001 if replace is true. Return a value.
4002 When changing address reload types for operands that didn't get
4003 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4004 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4005 Don't emit USEs for pseudo SUBREGs when not replacing.
4006 (find_reloads_address): Do make_memloc substitution also when
4007 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4009 (find_reloads_toplev): Likewise.
4010 Call make_memloc in reg_equiv_address code.
4011 (debug_reload_to_stream): Add code to output reload_out_reg.
4012 (make_memloc): Delete local variable i, ifdefed out code, and
4013 references to memlocs and n_memlocs.
4014 (memlocs, n_memlocs): Delete.
4015 (push_secondary_reload): Clear reload_out_reg.
4016 (find_reloads_address_1): Provide memrefloc argument to all calls
4017 to find_reloads_address.
4018 In AUTO_INC code, handle non-directly addressable equivalences properly.
4019 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4020 (find_reloads): Add return type.
4021 (remove_address_replacements, deallocate_reload_reg): Declare.
4022 * reload1.c (num_not_at_initial_offset): No longer static.
4023 (delete_address_reloads, delete_address_reloads_1): Likewise.
4024 (deallocate_reload_reg): New function.
4025 (spill_reg_stored_to): New array.
4026 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4027 (eliminate_regs_in_insn): Move assignments of previous_offset and
4028 max_offset fields, and recalculation of num_not_at_initial_offset
4029 into new static function:
4030 (update_eliminable_offsets) .
4031 (reload_as_needed): Call update_eliminable_offsetss after calling
4033 Call forget_old_reloads_1 with contents of reloaded auto_inc
4034 expressions if the actual addressing can't be changed to match the
4036 (choose_reload_regs): For inheritance, replace
4037 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4038 remove stand-alone reload_reg_used_at_all test.
4039 Use reload_out_reg to determine which reload regs have output reloads.
4040 Treat reload_override_in more similar to inherited reloads.
4041 Handle (subreg (reg... for inheritance.
4042 For flag_expensive_optimizations, add an extra pass to remove
4043 unnecessary reloads from known working inheritance.
4044 Delete obsolete code for pseudos replaced with MEMs.
4045 Handle inheritance from auto_inc expressions.
4046 (emit_reload_insns): If reload_in is a MEM, set OLD to
4048 Don't reload directly from oldequiv; if it's a pseudo with a
4049 stack slot, use reload_in[j].
4050 Check that reload_in_reg[j] is a MEM before replacing reload_in
4051 from reg_reloaded_contents.
4052 Include non-spill registers in reload inheritance processing.
4053 Also try to use reload_out_reg to set spill_reg_store /
4054 reg_last_reload_reg.
4055 In code to set new_spill_reg_store, use single_set to find out if
4056 there is a single set.
4057 Add code that allows to delete optional output reloads.
4058 Add code to allow deletion of output reloads that use no spill reg.
4059 At the end, set reload_override_in to oldequiv.
4060 Also call delete_output_reload if reload_out_reg is equal to old
4062 Add code to call delete_output_reload for stores with no matching load.
4063 Set / use spill_reg_stored_to.
4064 Handle case where secondary output reload uses a temporary, but
4065 actual store isn't found.
4066 When looking for a store of a value not loaded in order to call
4067 delete_output_reload, count_occurences should return 0 for no
4068 loads; but discount inherited input reloadill_reg_stored_to.
4069 Do checks for extra uses of REG. Changed all
4071 Use delete_address_reloads.
4072 (reload): Take return value of find_reloads into account.
4073 If a no-op set needs more than one reload, delete it.
4074 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4075 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4076 for the same operand.
4077 (clear_reload_reg_in_use): Check for other reloads that keep a
4079 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4080 RELOAD_FOR_OPADDR_ADDR.
4081 Take into account when an address address reload is only needed
4082 for the address reload we are considering.
4083 (count_occurrences): Use rtx_equal_p for MEMs.
4084 (inc_for_reload): Return instruction that stores into RELOADREG.
4085 New argument two, IN, and rtx. Changed all callers.
4086 (calculate_needs_all_insns, reload_as_needed):
4087 Don't clear after_call for a CLOBBER.
4088 Keep track of how many hard registers need to be copied from
4089 after_call, and don't clear after_call before we have seen
4090 that much copies, or we see a different instruction.
4092 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4094 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4095 after reload has completed.
4097 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4099 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4100 a macro name and the next token with a single blank if that whitespace
4101 is in a macro buffer and the next token is not '('.
4103 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4105 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4107 (skip_if_group): Ditto.
4108 (skip_to_end_of_comment): Ditto.
4110 (discard_comments): Ditto.
4111 (change_newlines): Ditto.
4113 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4115 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4117 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4119 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4120 (TARGET_OPTIONS): Add --help documentation.
4122 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4124 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4126 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4128 * fixinc/* Moved in from ../contrib directory in preparation
4129 for integrating it into the normal build process. In particular,
4130 fixinc/Makefile.in must be config-ed into the build directory
4131 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4132 ./configure.in will be "in the mail" momentarily.
4134 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4136 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4137 accidently walk into the free list. Comment how that can happen.
4138 (invalidate): Fix indentation.
4140 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4141 Jeffrey A Law (law@cygnus.com)
4143 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4144 reload. Never perform rescans of the insn chain after reload.
4145 (propagate_block): Do not delete insn or create new autoinc addressing
4148 * jump.c (jump_optimize): Unconditionally use the code that was
4149 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4150 * reload1.c (reload): When reloading is finished, delete all
4151 REG_DEAD and REG_UNUSED notes.
4152 (emit_reload_insns): Delete all code that was conditional on
4153 PRESERVE_DEATH_INFO_REGNO_P.
4154 (no_longer_dead_regs): Delete variable.
4155 (reload_cse_delete_death_notes): Delete function.
4156 (reload_cse_no_longer_dead): Delete function.
4157 (reload_cse_regs_1): Delete all code to handle deletion of death
4159 (reload_cse_noop_set_p): Likewise.
4160 (reload_cse_simplify_set): Likewise.
4161 (reload_cse_simplify_operands): Likewise.
4162 (reload_cse_move2add): Likewise.
4163 * reorg.c (used_spill_regs): Delete declaration.
4164 (max_label_num_after_reload): Delete declaration.
4165 (find_dead_or_set_registers): Don't assume that spill regs are
4166 dead at a CODE_LABEL.
4167 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4169 * sched.c (sched_analyze_insn): Likewise.
4170 (update_flow_info): Likewise.
4171 * haifa-sched.c (sched_analyze_insn): Likewise.
4172 (update_flow_info): Likewise.
4173 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4174 * toplev.c (max_label_num_after_reload): Delete variable.
4175 (rest_of_compilation): Don't set max_label_num_after_reload.
4176 Call life_analysis after reload_cse_regs if optimizing.
4177 * config/gmicro/gmicro.h: Delete comment referring to
4178 PRESERVE_DEATH_INFO_REGNO_P.
4179 * config/i386/i386.h: Likewise.
4180 * config/m88k/m88k.h: Likewise.
4181 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4182 * config/sh/sh.h: Likewise.
4184 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4186 * loop.c (strength_reduce): Restore marking bct_p as
4188 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4189 HAVE_decrement_and_branch_on_count.
4190 (small_data_operand): Remove TARGET_ELF condition for marking
4191 parameters ATTRIBUTE_UNUSED.
4193 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4195 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4196 (SELECT_SECTION): Resync with svr4.h.
4198 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4200 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4203 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4205 * c-pragma.c (handle_pragma_token): Test for null tree before
4206 dereferencing TREE_CODE.
4208 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4210 * config/c4x/c4x.c: Convert to use GEN_INT.
4211 (c4x_parallel_process): Rework to handle new repeat loop structure.
4213 * config/c4x/c4x.md: Convert to use GEN_INT.
4214 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4215 (decrement_and_branch_on_count): Likewise.
4217 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4218 loop.c has the desired functionality.
4219 (rc_reg_operand): New prototype.
4221 * config/c4x/t-c4x: Can now build all front ends.
4223 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4225 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4227 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4229 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4230 * config/t-rtems: Do not install assert.h -- use newlib's.
4232 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4234 * combine.c (combine_instructions): When finished, call init_recog.
4235 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4237 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4239 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4241 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4243 * cppalloc.c (memory_full): Mark function prototype with
4246 * demangle.h (collect_exit): Likewise.
4248 * fix-header.c (v_fatal, fatal): Likewise.
4250 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4253 * gcov.c (print_usage): Likewise.
4255 * genattr.c (fatal, fancy_abort): Likewise.
4257 * genattrtab.c (fatal, fancy_abort): Likewise.
4259 * gencodes.c (fatal, fancy_abort): Likewise.
4261 * genconfig.c (fatal, fancy_abort): Likewise.
4263 * genemit.c (fatal, fancy_abort): Likewise.
4265 * genextract.c (fatal, fancy_abort): Likewise.
4267 * genflags.c (fatal, fancy_abort): Likewise.
4269 * genopinit.c (fatal, fancy_abort): Likewise.
4271 * genoutput.c (fatal, fancy_abort): Likewise.
4273 * genpeep.c (fatal, fancy_abort): Likewise.
4275 * genrecog.c (fatal, fancy_abort): Likewise.
4277 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4278 __sjpopnthrow, __throw): Likewise.
4280 * objc/objc-act.c (objc_fatal): Likewise.
4282 * protoize.c (usage, aux_info_corrupted,
4283 declare_source_confusing): Likewise.
4285 * rtl.c (dump_and_abort): Likewise.
4287 * rtl.h (sets_cc0_p): Likewise.
4289 * toplev.c (float_signal, pipe_closed): Likewise.
4291 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4293 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4294 when generating the decision tree for the general case.
4296 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4297 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4299 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4301 * Makefile.in (sched.o): Depend on recog.h.
4303 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4304 (unsigned) when comparing against one.
4305 (find_base_value): Likewise.
4306 (record_base_value): Cast variable `regno' to (unsigned) when
4307 comparing against one. Cast the result of REGNO() macro to
4308 (unsigned) when comparing against one.
4309 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4311 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4312 variable where an unsigned index is needed.
4314 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4315 before comparing against one.
4317 * collect2.c: Add prototypes for functions `error', `fatal' and
4318 `fatal_perror'. Make these functions take variable arguments
4319 instead of faking it with a fixed number of args.
4320 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4323 * combine.c (can_combine_p): Mark parameter `pred' with
4325 (find_split_point): Cast variable `src' to (unsigned
4326 HOST_WIDE_INT) when comparing against one.
4327 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4328 (simplify_logical): Likewise.
4329 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4330 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4331 HOST_WIDE_INT) in shift.
4332 (simplify_and_const_int): Cast result of INTVAL() macro to
4333 `unsigned HOST_WIDE_INT' when comparing against one.
4334 (merge_outer_ops): Cast variable const0 to `unsigned
4335 HOST_WIDE_INT' when comparing against the result of
4336 GET_MODE_MASK() macro.
4337 (simplify_comparison): Likewise for variable `c0'. Cast variable
4338 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4339 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4340 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4341 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4342 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4343 comparing against one.
4344 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4346 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4347 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4348 (output_block_move): Cast `sizeof' expression to (int) when
4349 comparing against one.
4350 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4352 (save_restore_insns): Cast `base_offset' to `long' to match format
4353 specifier in fprintf.
4355 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4356 to `enum machine_mode'.
4358 * flow.c (life_analysis_1): Remove unused variable `insn'.
4360 * gcc.c (translate_options): Move variables `j' and `k' into the
4361 scope in which they are used. Change their types to `size_t'.
4362 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4363 (read_specs): Likewise.
4364 (process_command): Cast `sizeof' to (int) when comparing against one.
4365 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4366 (handle_braces): Cast both sides of `==' expression to `long' to
4367 ensure sign matching.
4368 (main): Cast variable `i' to `int' when comparing against one.
4370 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4371 int to size_t. Cast variable `i' to size_t when comparing against
4374 * genattrtab.c (convert_set_attr_alternative): Remove unused
4375 parameter `insn_code'. All callers changed.
4376 (convert_set_attr): Likewise.
4378 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4379 size_t when comparing against one. Likewise for variable `len'.
4381 * global.c (global_alloc): Cast variable `max_regno' to size_t
4382 when comparing against one. Likewise for variable `max_allocno'.
4384 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4386 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4387 `set' with ATTRIBUTE_UNUSED.
4388 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4391 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4392 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4393 (get_condition): Cast variable `const_val' to `unsigned
4394 HOST_WIDE_INT' when comparing against one. Cast unsigned
4395 expression to HOST_WIDE_INT when comparing against one.
4396 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4397 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4398 `unsigned' when comparing against one.
4400 * protoize.c (is_id_char): Change type of parameter `ch' to
4402 (munge_compile_params): Cast argument of ctype macro to (const
4404 (process_aux_info_file): Cast variable `aux_info_size' to int when
4405 comparing against one.
4406 (forward_to_next_token_char): Cast argument of ctype macro to
4407 `const unsigned char'.
4408 (edit_formals_lists): Likewise.
4409 (find_rightmost_formals_list): Likewise.
4410 (add_local_decl): Likewise.
4411 (add_global_decls): Likewise.
4412 (edit_fn_definition): Likewise.
4413 (do_cleaning): Likewise.
4414 (scan_for_missed_items): Likewise.
4415 (edit_file): Cast variable `orig_size' to (int) when comparing
4417 (main): Cast argument of ctype macro to `const unsigned char'.
4419 * recog.c (const_int_operand): Mark parameter `mode' with
4422 * regclass.c (record_reg_classes): Change type of variable `c' to
4423 `unsigned char'. Cast `char' array index to `unsigned char'.
4425 * reload.c (push_secondary_reload): Cast argument to
4426 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4428 * reload1.c (calculate_needs): Cast `char' array index to
4430 (set_label_offsets): Change type of variable `i' to unsigned int.
4431 Cast result of XVECLEN() macro to unsigned when comparing against
4433 (mark_not_eliminable): Change type of variable `i' to unsigned.
4434 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4435 when comparing against one.
4436 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4437 comparing against one.
4438 (choose_reload_regs): Hide unused label `fail'.
4439 (reload_cse_simplify_operands): Cast `char' array index to
4441 (reload_combine_note_store): Mark parameter `set' with
4442 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4444 (reload_cse_move2add): Remove unused variable `src2'.
4446 * sched.c: Include recog.h.
4447 (sched_note_set): Remove unused parameter `b'. All callers
4449 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4450 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4451 when comparing against one.
4453 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4454 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4455 comparing against one.
4457 * unroll.c (precondition_loop_p): Remove unused parameter
4458 `loop_end'. All callers changed.
4460 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4462 * reload1.c (maybe_fix_stack_asms): New static function.
4465 * reload.h (compute_use_by_pseudos): Declare.
4467 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4468 (something_needs_reloads): Delete variable.
4469 (finish_spills): New function.
4470 (compute_use_by_pseudos): New function.
4472 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4473 Use the reload_insn_chain instead of walking the rtl directly.
4475 (reload): Allocate and free spilled_pseudos.
4476 Ensure that all calls of spill_hard_reg are followed by a call to
4478 Use the insns_need_reload list instead of something_needs_reloads
4479 to find out if reload_as_needed must be called.
4480 Clear unused_insn_chains at the end.
4482 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4484 Delete code to keep track of current basic block.
4485 Walk reload_insn_chain instead of the rtl structure. Build the
4486 insns_need_reload chain.
4487 Remember which insns need reloading/elimination by setting the
4488 appropriate fields in struct insn_chain, not by putting modes on the
4491 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4492 arg INSN. All callers changed.
4493 Delete declaration of struct needs.
4494 Don't set something_needs_reloads.
4495 Record insn needs in the CHAIN argument.
4497 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4499 (reload_as_needed): Lose FIRST arg. All callers changed.
4500 Walk the reload_insn_chain instead of the rtx structure.
4501 Delete code to keep track of current basic block.
4502 Rename one of the NEXT variables to OLD_NEXT.
4504 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4506 (choose_reload_regs): Likewise.
4508 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4511 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4512 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4513 (hard_regs_live, hard_regs_need_restore): Delete variables.
4514 (n_regs_saved): Now static.
4515 (referenced_regs, this_insn_sets): New variables.
4517 (setup_save_areas): Restructure the code a bit.
4519 (restore_referenced_regs): Delete function.
4520 (mark_referenced_regs): New function, similar to the old
4521 restore_referenced_regs, but mark registers in referenced_regs.
4523 (clear_reg_live): Delete function.
4524 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4525 Only mark registers in this_insn_sets.
4527 (save_call_clobbered_regs): Rework this function to walk the
4528 reload_insn_chain instead of using the list of instructions directly.
4529 Delete code to keep track of register lives, compute live regs on the
4530 fly from information in the chain.
4531 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4532 then walk the set it computes and call insert_restore as appropriate.
4534 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4536 Restructure the code a bit. Test hard_regs_saved instead of
4537 hard_regs_need_restore.
4538 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4539 args. All callers changed.
4540 Restructure the code a bit. Use TO_SAVE to determine which regs to
4541 save instead of more complicated test.
4542 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4544 Create a new insn_chain structure for the new insn and place it
4547 * rtl.texi: Update documentation to reflect that reload no longer
4548 puts modes on the insns.
4550 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4552 * function.c (purge_addressof_1): Force the first argument of a
4553 CALL insn to memory.
4555 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4557 * rtl.h: Delete duplicate prototypes. Add some missing
4559 * rtlanal.c: (for_each_rtx): Formatting tweak.
4561 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4563 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4564 to be compatible with TI compiler.
4566 * Makefile.in (USER_H): Add va-c4x.h to definition.
4568 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4570 * function.c (purge_addressof_1): Fix typo in inequality: do
4571 bitfield optimization for equal mode sizes.
4572 * expmed.c (store_bit_field): Don't take subregs of subregs in
4573 the movstrict case. Tidy a potential problem in the multi-word case.
4574 (extract_bit_field): Likewise.
4576 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4578 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4580 Compute max_uid_for_flow by calling get_max_uid after the scan.
4581 (find_basic_blocks_1): Don't emit NOPs here.
4583 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4585 * alias.c (base_alias_check): Accept new args for the modes of the
4586 two references. Use them to determine if an AND can overlap. Update
4588 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4589 to determine if an AND can overlap.
4591 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4593 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4594 check. Add comment to document problems with TARGET_SUN_FPA version
4596 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4598 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4600 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4602 * c-common.c (print_char_table): Add missing initializers.
4603 (scan_char_table): Likewise.
4604 (time_char_table): Likewise.
4606 * c-decl.c (c_decode_option): Mark parameter `argc' with
4608 (declare_parm_level): Mark parameter `definition_flag' with
4611 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4612 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4615 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4617 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4619 (expand_call): Cast result of MIN() to (unsigned int) when
4620 comparing against an unsigned value.
4622 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4624 (make_definition): Remove unused parameter `op'. All callers
4626 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4627 comparing against the result of pointer arithmetic.
4629 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4630 when comparing against one.
4632 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4633 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4635 (output_die): Move variable `i' into the scope in which it is
4636 used. Change its type to `unsigned'.
4637 (output_die): Cast the result of `strlen' to (int) when passing it
4638 to ASM_OUTPUT_ASCII().
4639 (output_pubnames): Likewise.
4640 (output_line_info): Likewise.
4642 * emit-rtl.c (global_rtl): Add missing initializers.
4644 * explow.c (promote_mode): Mark parameter `for_call' with
4647 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4648 `unsigned HOST_WIDE_INT' when comparing against one.
4649 (synth_mult): Change type of variable `cost' to int.
4650 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4652 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4653 when comparing against one.
4654 (get_inner_reference): Change variable `alignment' to unsigned.
4655 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4656 int) when comparing against one.
4657 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4659 * fold-const.c (div_and_round_double): Cast BASE to
4660 (HOST_WIDE_INT) when comparing against one.
4662 * gencheck.c: Include gansidecl.h.
4663 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4665 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4666 `tcode' with ATTRIBUTE_UNUSED.
4668 * real.c (edivm): Cast constant value to (unsigned long) in
4669 expression compared against an unsigned value.
4671 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4672 comparing against one.
4673 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4674 when comparing against one.
4676 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4677 (unsigned int) when comparing against one. Likewise for
4679 (smallest_mode_for_size): Likewise.
4680 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4681 (restore_storage_status): Likewise.
4683 * toplev.c (debug_args): Add missing initializer.
4684 (f_options): Spelling correction. Add missing initializers.
4685 (documented_lang_options): Likewise.
4686 (debug_end_source_file): Mark parameter `lineno' with
4689 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4690 `decl' and `type' with ATTRIBUTE_UNUSED.
4692 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4693 when comparing against one.
4694 (assemble_variable): Mark parameter `top_level' with
4696 (assemble_external_libcall): Mark parameter `fun' with
4698 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4701 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4703 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4704 Replace use of r5 with use of r19.
4706 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4708 * config/v850/v850.c (compute_register_save_size): Allow for the
4709 fact that helper functions save all registers, not just those used
4712 Replace constant 31 with macro LINK_POINTER_REGNUM.
4714 * config/v850/v850.md: Use 'indirect_operand' rather than
4715 'memory_operand' for bit test/set/clear patterns.
4717 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4719 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4720 * varasm.c (assemble_start_function et al): Don't call
4721 ASM_GLOBALIZE_LABEL for weak symbols.
4723 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4725 * cse.c (equiv_constant): Check for NULL return from
4726 gen_lowpart_if_possible().
4728 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4730 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4732 * collect2.c (main): Pass -EL/-EB through to the compiler.
4734 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4736 * expr.c (push_block): Handle targets where the stack grows
4737 to higher addresses, but args grow to lower addresses and
4738 ACCUMULATE_OUTGOING_ARGS is not defined.
4740 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4742 * config/v850/v850.c (print_operand): Extend meaning
4743 of 'c' operands to support .vtinherit.
4745 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4747 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4748 Added ATTRIBUTE_UNUSED to unused function arguments.
4749 (rc_reg_operand): New predicate.
4750 (c4x_rptb_insert): New function.
4751 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4752 (c4x_optimization_options): New function.
4754 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4755 (decrement_and_branch_on_count): New pattern.
4756 (rptb_top): Modified pattern to work with BCT optimization.
4758 * config/c4x/c4x.h (RC_REG): New register class.
4759 (rc_reg_operand): Define prototype.
4760 (IS_RC_REG): New macro.
4761 (IS_RC_OR_PSEUDO_REG): New macro.
4762 (IS_RC_OR_PSEUDO_REGNO): New macro.
4763 (OPTIMIZATION_OPTIONS): Define.
4765 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4767 * collect2.c (extract_init_priority): No priority is 65535.
4769 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4771 * Makefile.in (build_tooldir): new variable, same as old
4772 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4773 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4774 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4776 * configure.in (gxx_include_dir): set default based on unlibsubdir
4777 * Makefile.in (tooldir): ditto
4778 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4779 gxx_include_dir, includedir and tooldir
4780 (protoize.o, unprotoize.o): ditto
4782 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4784 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4786 * config/arm/thumb.c (thumb_override_options): Add warning about
4787 PIC code not being supported just yet.
4789 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4791 * flow.c: Update comment.
4792 (notice_stack_pointer_modification): New static function.
4793 (record_volatile_insns): Use it.
4794 (mark_regs_live_at_end): Mark the stack pointer as alive
4795 at the end of the function if current_function_sp_is_unchanging
4797 (life_analysis_1): Set current_function_sp_is_unchanging.
4798 * function.c: Define it.
4799 (init_function_start): Initialize it.
4800 * output.h: Declare it.
4801 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4802 the stack pointer as alive at the end of the function if
4803 current_function_sp_is_unchanging is set.
4804 * i386.c (ix86_epilogue): Optimize the restoring
4805 of the stack pointer.
4807 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4809 * version.c: Bump for snapshot.
4811 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4813 * c-pragma.c (handle_pragma_token): If passed a token instead
4814 of a tree, use that as the pack value.
4816 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4818 * flow.c (find_basic_blocks_1): Fix prototype.
4820 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4822 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4823 (struct tree_decl): New fields no_check_memory_usage.
4824 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4825 (init_attributes): Register it as a new attribute.
4826 (decl_attributes): Set flags on functions given that attribute.
4827 * c-decl.c (duplicate_decls): Merge new attribute.
4828 * expr.h (current_function_check_memory_usage): Declare new var.
4829 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4830 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4831 current_function_check_memory_usage.
4832 * function.h: Add field to struct function.
4833 * function.c (current_function_check_memory_usage): Define it.
4834 (push_function_context_to, pop_function_context_from): Save and
4836 (expand_function_start): Set it, based on global flag and function
4839 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4840 check non-automatic variables, to permit detection of writes to
4841 read-only locations in embedded systems without memory management.
4842 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4843 when emitting chkr_set_right_libfunc call, even if the argument is
4844 BLKmode or variable-sized; don't abort.
4846 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4847 symbols in Pmode, not VOIDmode.
4849 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4851 * cppexp.c: When forcing unsigned comparisons, cast both sides
4854 * cpphash.h: Move static declaration of hashtab[]...
4855 * cpphash.c: ...here.
4857 * cpplib.c: Cast difference of two pointers to size_t before
4858 comparing it to size_t. Cast signed to unsigned
4859 before comparing to size_t. (FIXME: struct argdata should use
4860 unsigned buffer sizes.)
4861 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4862 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4863 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4864 size_t before comparison.
4866 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4868 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4869 (find_basic_blocks_1): Similarly.
4870 * output.h (find_basic_blocks): Fix prototype.
4871 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4872 find_basic_blocks anymore.
4874 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4876 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4877 (sbitmap_free, sbitmap_vector_free): New macros.
4878 * output.h (rtl_dump_file): Declare.
4880 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4882 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4884 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4886 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4888 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4889 (divide): Remove unused variable `tmp'.
4890 (si_to_float): Cast numeric constant to (SItype) before comparing
4893 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4895 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4896 * gcc.c (add_preprocessor_option): Correct typo when allocating
4897 memory, sizeof() argument had one too many `*'.
4898 (add_assembler_option): Likewise.
4899 (add_linker_option): Likewise.
4900 * gcov.c (output_data): Likewise.
4901 * local-alloc.c (memref_used_between_p): Likewise.
4902 (update_equiv_regs): Likewise.
4903 * loop.c (strength_reduce): Likewise.
4904 * reg-stack.c (record_asm_reg_life): Likewise.
4905 (subst_asm_stack_reg): Likewise.
4906 * reorg.c (dbr_schedule): Likewise.
4908 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4910 * flow.c (life_analysis_1): Break out some functions.
4911 (find_basic_blocks_1): Likewise. Also move some variables out and
4913 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4914 new static var nonlocal_label_list with it.
4915 (active_eh_region, nested_eh_region, label_value_list,
4916 nonlocal_label_list): New static variables.
4917 (make_edges, delete_unreachable_blocks, delete_block): New static
4918 functions, broken out of find_basic_blocks_1.
4919 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4920 noop_move_p): New static functions, broken out of life_analysis_1.
4922 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4924 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4925 Take extra care for op0 now possibly being a subreg.
4926 (extract_bit_field): Likewise.
4927 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4928 the reg to memory if there is no equal sized integral mode.
4929 * stor-layout.c (int_mode_for_mode): New function.
4930 * machmode.h: Prototype it.
4932 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4934 * global.c (build_insn_chain): Verify no real insns exist past the
4935 end of the last basic block, then exit the loop.
4937 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4939 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4941 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4943 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4945 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4947 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4949 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4951 * flow.c (find_basic_blocks): Correctly determine when a call
4952 is within an exception region.
4954 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4956 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4958 * cpplib.h: Protect from multiple inclusions.
4959 * cpplib.c: Fix minor formatting problems.
4961 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4963 * jump.c (jump_optimize): Revert accidental patch.
4965 * Makefile.in (cpplib.o): Use unlibsubdir.
4967 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4969 * loop.c (get_condition): Allow combine when either compare is
4972 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4974 * version.c: Bump for snapshot.
4976 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4978 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4979 (init_lex): Initialize ridpointers[RID_BYREF].
4980 * c-lex.h (enum rid): Add RID_BYREF.
4981 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4982 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4983 (encode_type_qualifiers): Similarly
4984 * c-gperf.h: Rebuilt.
4986 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4988 * c-common.c (type_for_mode): Only return TItype nodes when
4989 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4990 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4991 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4992 (init_decl_processing): Only create TItype nodes when
4993 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4994 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4995 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4997 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4999 * stmt.c (n_occurrences): New static function.
5000 (expand_asm_operands): Verify that all constrains match in the
5001 number of alternatives.
5002 Verify that '+' or '=' are at the beginning of an output constraint.
5003 Don't allow '&' for input operands.
5004 Verify that '%' isn't written for the last operand.
5005 * reload.c (find_reloads): Abort if an asm is found with invalid
5006 constraints; all possible problems ought to be checked for earlier.
5008 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5010 * flags.h (flag_branch_on_count_reg): Always declare
5011 * toplev.c (flag_branch_on_count_reg): Likewise.
5012 * toplev.c: Fix typos.
5014 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5017 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5019 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5021 (find_basic_blocks_1): Add a nop to the end of a basic block when
5022 a trailing call insn does not have abnormal control flow.
5023 * gcse.c (pre_transpout): New variable.
5024 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5025 (compute_pre_transpout): Calculate it.
5026 (compute_pre_ppinout): Use it to eliminate impossible placements
5027 due to abnormal control flow through calls.
5028 (compute_pre_data): Call compute_pre_transpout.
5030 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5032 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5034 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5036 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5037 and matching define_insns): Tack on a `use' of the table label, so
5038 flow analysis will recognize a tablejump.
5040 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5042 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5043 always end basic blocks for abnormal edge reasons.
5045 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5047 * config/i386/i386.h: Remove definition of
5048 HANDLE_PRAGMA_PACK_PUSH_POP.
5050 * config/i386/go32.h: Add definition of
5051 HANDLE_PRAGMA_PACK_PUSH_POP.
5053 * config/i386/win32.h: Add definition of
5054 HANDLE_PRAGMA_PACK_PUSH_POP.
5056 * config/i386/cygwin32.h: Add definition of
5057 HANDLE_PRAGMA_PACK_PUSH_POP.
5059 * c-pragma.c (insert_pack_attributes): Do not insert
5060 attributes unless #pragma pack(push,<n>) is in effect.
5062 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5064 * expr.c (emit_group_store): Handle a PARALLEL destination.
5066 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5068 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5069 the new insns before the argument regs are loaded.
5071 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5073 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5074 (c-parse.gperf): Update comments describing invocation flags.
5075 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5077 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5079 * reload1.c (reload): Call free before clobbering the memory
5080 locations or constants pointers.
5082 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5084 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5085 for efficiency by checking whether we need to modify the current
5086 stack permission at all.
5087 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5088 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5089 __enable_execute_stack libcall here too if
5090 TRANSFER_FROM_TRAMPOLINE is defined.
5091 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5094 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5096 * Makefile.in (DRIVER_DEFINES): Remove last change.
5098 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5100 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5101 insns we're going to copy.
5102 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5104 * loop.c (count_one_set): Add prototype.
5106 * caller-save.c (restore_referenced_regs): Lose mode argument.
5107 (insert_save): Lose mode argument.
5108 (insert_restore): Lose mode argument.
5109 (insert_one_insn): Lose mode argument.
5110 (save_call_clobbered_regs): Lose mode argument.
5111 (setup_save_areas): Take no argument and return void. All callers
5113 Don't verify validity of memory addresses.
5114 * reload.h (setup_save_ares): Adjust prototype.
5115 (save_call_clobbered_regs): Likewise.
5116 * reload1.c (delete_caller_save_insns): New function.
5117 (caller_save_spill_class): Delete variable.
5118 (caller_save_group_size): Delete variable.
5119 (reload): Call setup_save_areas and save_call_clobbered_regs
5120 in the main loop, before calling calculate_needs_all_insns.
5121 Don't call save_call_clobbered_regs after the loop.
5122 Call delete_caller_save_insns at the end of an iteration if
5124 Delete code to manage caller_save_spill_class.
5125 Emit the final note before setting reload_first_uid.
5126 Simplify test that determines whether reload_as_needed gets run.
5127 (calculate_needs): Delete code to manage caller_save_spill_class.
5129 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5131 * collect2.c (main): Initialize ld_file_name.
5133 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5135 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5136 check for flag_function_sections.
5138 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5140 * cse.c (insert_regs): Fix bug in Sep 24 change.
5142 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5144 * flags.h (flag_dump_unnumbered): Declare.
5145 * toplev.c (flag_dump_unnumbered): Don't declare.
5146 * print-rtl.c (flags.h): Include.
5147 (print_rtl_single): Add return value.
5148 * rtl.h (print_rtl_single): Update declaration.
5149 * flow.c (flag_dump_unnumbered): Don't declare.
5150 (print_rtl_with_bb): Use return value of print_rtl_single.
5152 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5154 * loop.c (count_one_set): New static function, broken out of
5156 (count_loop_regs_set): Call it.
5157 * global.c (mark_reg_store): Handle clobbers here by not calling
5159 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5160 is in fact a clobber.
5161 * integrate.c (process_reg_param): New function, broken out of
5162 expand_inline_function.
5163 (expand_inline_function): Call it.
5166 * i386.md (addsidi3_1): Delete unused variable temp.
5167 (addsidi3_2): Likewise.
5168 (clstrstrsi): Delete unused variable addr1.
5170 * rtl.h: Don't declare any functions also declared in recog.h.
5172 * Makefile.in (stupid.o): Update dependencies.
5173 (global.o): Likewise.
5175 * global.c: Include reload.h
5176 (reg_becomes_live): New function.
5177 (reg_dies): New function.
5178 (build_insn_chain): New function.
5179 (global_alloc): Call build_insn_chain before calling reload.
5181 * reload.h (struct needs): New structure definition.
5182 (struct insn_chain): Likewise.
5183 (reload_insn_chain): Declare variable.
5184 (new_insn_chain): Declare function.
5187 * reload1.c (reload_startobj): New variable.
5188 (reload_insn_chain): New variable.
5189 (unused_insn_chains): New variable.
5190 (new_insn_chain): New function.
5191 (init_reload): Initialize reload_startobj, not reload_firstobj.
5192 (reload): Initialize reload_firstobj.
5193 Before returning, free everything on the reload_obstack.
5195 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5196 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5197 current_chain): New variables.
5198 (reg_where_born): Delete variable.
5199 (REG_WHERE_BORN): New macro.
5200 (find_clobbered_regs): New function.
5201 (stupid_life_analysis): Don't allocate/free reg_where_born.
5202 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5203 reg_where_dead_chain.
5204 Use REG_WHERE_BORN instead of reg_where_born.
5205 While processing the insns, build the reload_insn_chain with
5206 information about register lifetimes.
5207 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5208 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5210 Compute and information about birth and death of pseudo registers in
5211 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5212 Delete code to set elements of reg_where_born.
5214 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5216 * tree.def (GOTO_EXPR): Modified documentation.
5217 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5220 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5222 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5223 loop_final_value, loop_comparison_code): No longer static.
5224 (unroll_loop): Delete loop_start_value update.
5225 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5226 loop_final_value, loop_comparison_code): Extern.
5227 (loop_start_value): Delete extern.
5228 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5229 loop_comparison_value, loop_comparison_code): Delete.
5230 (loop_optimize): Remove initialization for deleted variables.
5231 (strength_reduce): Delete analyze_loop_iterations call. Only call
5232 insert_bct if flag_branch_count_on_reg set.
5233 (analyze_loop_iterations): Delete.
5234 (insert_bct): Remove iteration count calculation. Move checks for
5235 viable BCT optimization to here. Obtain iteration count from
5236 loop_iterations and correct for unrolling. Check for enough
5237 iteration to be beneficial. Comment out runtime iteration count
5239 (insert_bct): Print iteration count in dump file. Remove
5240 loop_var_mode and use word_mode directly.
5242 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5243 * rs6000.c (rs6000_override_options): Use it.
5244 (optimization_options): Enable use of flag_branch_on_count_reg.
5245 * rs6000.md (define_function_unit): Describe 604e.
5247 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5249 * loop.c (move_movables): Corrected threshold calculation for
5250 moved_once registers.
5252 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5254 * loop.c (combine_givs_p): Fix test for identical givs.
5256 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5258 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5259 call abort if the function is already defined.
5261 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5263 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5264 truncation is not a no-op.
5266 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5268 * version.c: Bump for snapshot.
5270 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5272 * version.c: Bump for snapshot.
5274 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5276 * expmed.c (expand_divmod): Don't widen for computing remainder
5277 if we seem to have a divmod pattern for needed mode.
5279 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5281 * cpplib.c (macroexpand): Correct off-by-one error in handling
5284 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5286 * combine.c (expand_field_assignment): Don't do bitwise operations
5287 on MODE_FLOAT; pun to MODE_INT if possible.
5289 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5290 scott snyder <snyder@d0sgif.fnal.gov>
5292 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5293 linker. Recognize mangled names in quotes.
5295 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5297 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5298 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5299 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5300 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5302 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5304 * function.c (purge_addressof_1): If trying to take a sub-word
5305 integral piece of a floating point mode, put it on the stack.
5307 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5309 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5311 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5313 * PROJECTS: Remove template friends.
5315 * collect2.c (sort_ids): Remove unused variable.
5317 * tm.texi (MATH_LIBRARY): Document.
5318 (NEED_MATH_LIBRARY): Remove.
5320 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5321 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5323 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5325 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5326 last_end to 0x7fffffff.
5328 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5330 * function.c (purge_addressof_1): Do not perform endianness
5331 corrections on bitpos, who we call will do it for us.
5333 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5335 * h8300.c (WORD_REG_USED): Fix typo.
5336 (initial_offset): Use WORD_REG_USED.
5338 * h8300.c (handle_pragma): Fix typo.
5340 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5342 * caller-save.c (insert_save_restore): Break this function up
5343 into new functions insert_restore, insert_save and insert_one_insn.
5344 All callers changed.
5345 (insert_restore): New function, mostly broken out of
5346 insert_save_restore.
5347 (insert_save): Likewise.
5348 (insert_one_insn): Likewise.
5349 (restore_referenced_regs): New argument BLOCK. All callers changed.
5350 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5351 in this function, do it in insert_one_insn instead.
5353 * reload1.c (reload): Break out some more pieces into separate
5355 (dump_needs): New function, broken out of reload.
5356 (set_initial_elim_offsets): Likewise.
5357 (init_elim_table): Likewise.
5358 (update_eliminables): Likewise.
5360 * global.c (global_alloc): Delete code to manage the scratch_list.
5361 * local-alloc.c (qty_scratch_rtx): Delete.
5362 (scratch_block): Delete.
5363 (scratch_list): Delete.
5364 (scratch_list_length): Delete.
5365 (scratch_index): Delete.
5366 (alloc_qty_for_scratch): Delete.
5367 (local-alloc): Update initialization of max_qty.
5368 Delete code to manage the scratch list.
5369 Delete code to allocate/initialize qty_scratch_rtx.
5370 (block_alloc): Don't allocate quantities for scratches.
5371 Delete code to manage the scratch list.
5372 * regs.h (scratch_list): Delete declaration.
5373 (scratch_block): Delete declaration.
5374 (scratch_list_length): Delete declaration.
5375 * reload1.c (reload): Delete code to manage the scratch list.
5376 (spill_hard_reg): Likewise.
5377 (mark_scratch_live): Delete.
5379 * recog.c (alter_subreg): Delete declaration.
5381 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5383 * Makefile.in (cccp.o): Fix typo in last patch.
5385 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5387 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5388 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5390 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5392 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5393 NULL_RTX as an argument.
5395 * Makefile.in (unlibsubdir): Define.
5396 (DRIVER_DEFINES): Use unlibsubdir.
5397 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5398 (stmp-fixinc): Similarly.
5400 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5402 * regmove.c (regmove_optimize): Add variable old_max_uid.
5403 At the end of the function, update basic_block_end.
5405 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5407 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5408 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5411 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5413 * config/arm/arm.c: Improve interworking support.
5415 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5417 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5418 copied from reload_out[r] .
5420 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5422 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5423 with more than three size ranges.
5425 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5427 * rtl.c (mode_name): Add a null string at the end of the array.
5428 (mode_wider_mode): Change type to unsigned char.
5429 (mode_mask_array): New variable.
5430 (init_rtl): Update for mode_wider_mode type change.
5432 * rtl.h (mode_wider_mode): Change type to unsigned char.
5433 (mode_mask_array): Declare.
5434 (GET_MODE_MASK): Use mode_mask_array.
5436 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5438 * calls.c (expand_call) : Encapsulate code into
5439 copy_blkmode_from_reg.
5440 * expr.c (copy_blkmode_from_reg): New function.
5441 * expr.h (copy_blkmode_from_reg): New function.
5442 * integrate.c (function_cannot_inline_p): We can inline
5444 (expand_inline_function): Use copy_blkmode_from_reg
5445 if needed. Avoid creating BLKmode REGs.
5446 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5449 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5451 * config/v850/v850.c: Add function prototypes.
5452 Add support for v850 special data areas.
5454 * config/v850/v850.h: Add support for v850 special data areas.
5456 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5457 HANDLE_PRAGMA_PACK_PUSH_POP.
5458 (push_alignment): New function: Cache an alignment requested
5459 by a #pragma pack(push,<n>).
5460 (pop_alignment): New function: Pop an alignment from the
5462 (insert_pack_attributes): New function: Generate __packed__
5463 and __aligned__ attributes for new decls whilst a #pragma pack
5465 (add_weak): New function: Cache a #pragma weak directive.
5466 (handle_pragma_token): Document calling conventions. Add
5467 support for #pragma pack(push,<n>) and #pragma pack (pop).
5469 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5470 are defined enable HANDLE_PRAGMA_PACK.
5471 Move 'struct weak_syms' here (from varasm.c).
5472 Add pragma states for push and pop pragmas.
5474 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5477 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5478 HANDLE_GENERIC_PRAGMAS.
5480 * varasm.c: Move definition of 'struct weak_syms' into
5482 (handle_pragma_weak): Deleted.
5484 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5486 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5488 * c-decl.c (start_function): Add invocation of
5489 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5491 * tm.texi: Remove description of non-existant macro
5492 SET_DEFAULT_SECTION_NAME.
5494 (HANDLE_SYSV_PRAGMA): Document.
5495 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5497 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5499 * config.sub: Recognize i[34567]86-pc-udk as new target.
5500 * configure.in: Likewise.
5501 * config/i386/t-udk: New file.
5502 * config/i386/udk.h: New file.
5504 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5506 * reorg.c (check_annul_list_true_false): Remove unused variables.
5507 (steal_delay_list_from_target): Add missing "used_annul" variable.
5508 (try_merge_delay_insns): Close out half formed comment.
5510 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5512 * cpplib.c (macroexpand): If arg->raw_before or
5513 arg->raw_after, remove any no-reexpansion escape at the
5514 beginning of the pasted token. Correct handling of whitespace
5515 markers and no-reexpand markers at the end if arg->raw_after.
5517 * toplev.c (documented_lang_options): Recognize -include,
5518 -imacros, -iwithprefix, -iwithprefixbefore.
5519 * cpplib.c (cpp_start_read): Process -imacros and -include
5520 switches at the same time and in command-line order, after
5521 initializing the dependency-output code. Emit properly nested
5522 #line directives for them. Emit a #line for the main file
5523 before processing these switches, and don't do it again
5526 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5528 * function.c (purge_addressof_1): Use bitfield manipulation
5529 routines to handle mem mode < reg mode.
5531 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5533 * reorg.c (try_merge_delay_insns): Account for resources referenced
5534 in each instruction in INSN's delay list before trying to eliminate
5535 useless instructions. Similarly when looking at a trial insn's delay
5538 * reorg.c (check_annul_list_true_false): New function.
5539 (steal_delay_list_from_{target,fallthrough}): Call it and also
5540 refine tests for when we may annul if already filled a slot.
5541 (fill_slots_from_thread): Likewise.
5542 (delete_from_delay_slot): Return newly-created thread.
5543 (try_merge_delay_isns): Use its new return value.
5545 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5547 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5548 used to compute a giv or as some other non-counting use.
5550 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5552 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5553 * local-alloc.c (find_free_reg): Use it.
5554 * global.c (find_reg): Likewise.
5555 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5557 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5558 * caller-save.c (init_caller_save): Use it.
5559 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5561 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5563 * configure.in: Add --enable-cpplib option which uses cpplib
5564 for cpp, but doesn't link cpplib into cc1. Make help text
5565 capitalization consistent.
5566 * configure: Rebuilt.
5568 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5570 * function.c (gen_mem_addressof): If the address REG is
5571 REG_USERVAR_P make the new REG be so also.
5572 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5573 in an attempt to clarify slightly.
5575 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5577 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5578 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5580 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5582 * toplev.c: Fix last patch.
5584 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5586 * loop.c (get_condition): Fix typo in May 9 change.
5588 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5590 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5592 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5594 * toplev.c (documented_lang_options): Spelling corrections.
5596 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5598 * configure.in: new flags --with-ld and --with-as, equivalent
5599 to setting LD and AS environment variables. Test whether
5600 specified arguments are GNU commands, and report them with
5601 checking messages. Use the specified AS for configure
5604 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5606 * gcc.c (find_a_file): when looking for `as' and `ld', return
5607 the DEFAULT program if it exists
5608 * collect2.c (main): use DEFAULT_LINKER if it exists
5610 * gcc.c (find_a_file): the test for existence of a full
5611 pathname was reversed
5613 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5615 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5616 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5618 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5620 * tree.h (TYPE_BINFO): Document.
5622 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5624 * i386-coff.h (dbxcoff.h): Added.
5626 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5628 * toplev.c: fix bad patch around flag_data_sections.
5630 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5632 * reload1.c (reload): Use reload_address_index_reg_class and
5633 reload_address_base_reg_class when setting
5634 caller_save_spill_class. (Patch generated by Jim Wilson:
5637 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5639 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5640 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5641 * expr.c (store_field): Add alias_set parameter. Set the
5642 MEM_ALIAS_SET accordingly, if the target is a MEM.
5643 (expand_assignment): Use it.
5644 (store_constructor_field): Pass 0.
5645 (expand_expr): Likewise.
5647 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5649 * flags.h: Add flag_data_sections.
5650 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5651 (compile_file): Error if flag_data_sections not supported.
5652 * varasm.c (assemble_variable): Handle flag_data_sections.
5653 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5654 * config/mips/elf.h: Likewise.
5655 * config/mips/elf64.h: Likewise.
5656 * invoke.texi: Describe -fdata-sections.
5658 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5660 * invoke.texi (-ffloat-store): Clarify that this option
5661 does not affect intermediate results -- only variables.
5663 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5665 * cpp.texi: Update for Fortran usage from Craig.
5667 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5669 * rs6000.c (function_arg_boundary): Revert accidental change on
5672 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5674 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5675 (output_mi_thunk): Declare.
5677 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5678 (output_function_profiler): Use r12 for temp, instead of r11 so
5679 that we preserve the static chain register.
5681 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5683 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5685 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5687 * sh.c (gen_shl_sext): Fix case 5.
5689 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5691 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5693 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5695 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5696 accessing variables until they are initialized via va_arg().
5698 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5700 * reload1.c (reload_combine): Initialize set before using.
5702 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5704 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5707 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5709 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5710 operand3 with mask before using it. Patch provided by Jim Wilson.
5712 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5714 * config/sparc/sparc.c (function_value): Perform the equivalent of
5715 PROMOTE_MODE for ARCH64.
5716 (eligible_for_epilogue_delay): Allow DImode operations in delay
5717 slot of a return for ARCH64.
5719 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5721 * sh.md (sqrtsf2): Fix mode of sqrt.
5723 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5725 * reload1.c (choose_reload_regs): Also try inheritance when
5726 reload_in is a stack slot of a pseudo, even if we already got a
5729 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5731 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5732 (reload_cse_regs): New function body: call reload_cse_regs_1,
5733 reload_combine, reload_cse_move2add.
5734 When doing expensive_optimizations, call reload_cse_regs_1 a
5735 second time after reload_cse_move2add.
5736 (reload_combine, reload_combine_note_store): New functions.
5737 (reload_combine_note_use): New function.
5738 (reload_cse_move2add, move2add_note_store): New functions.
5740 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5742 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5743 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5745 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5746 more than 3 such reloads.
5748 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5749 RELOAD_FOR_X_ADDR_ADDR reload.
5751 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5753 * expr.c (store_constructor): When initializing a field that is smaller
5754 than a word, at the start of a word, try to widen it to a full word.
5756 * cse.c (cse_insn): When we are about to change a register,
5757 remove any invalid references to it.
5759 (remove_invalid_subreg_refs): New function.
5760 (mention_regs): Special treatment for SUBREGs.
5761 (insert_regs): Don't strip SUBREG for call to mention_regs.
5762 Check if reg_tick needs to be bumped up before that call.
5763 (lookup_as_function): Try to match known word_mode constants when
5764 looking for a norrower constant.
5765 (canon_hash): Special treatment for SUBREGs.
5767 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5769 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5770 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5771 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5772 and offsets in actual stack trampoline code so they match the
5773 commentary and actually work.
5775 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5777 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5779 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5780 tmake_file. Set extra_parts to needed crt objects.
5781 * configure: Rebuilt.
5782 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5783 (TARGET_DEFAULT): Set if default is v9 or ultra.
5784 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5785 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5786 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5787 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5788 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5789 (TARGET_VERSION): Define.
5790 (MULTILIB_DEFAULT): Define.
5791 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5792 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5793 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5795 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5796 * config/sparc/sparc.c (sparc_override_options): If arch and
5797 pointer size disagree, emit diagnostic and fix it up. If
5798 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5799 V8PLUS in 64-bit mode.
5800 * config/sparc/t-linux64: New file.
5801 * config/sparc/t-sol2-64: New file.
5802 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5803 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5804 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5805 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5806 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5807 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5809 (STARTFILE_SPEC): Set approriately based upon those.
5810 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5811 disposition of DEFAULT_ARCH32_P.
5812 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5813 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5814 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5815 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5816 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5818 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5820 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5822 * rtl.h (init_virtual_regs): New function.
5823 * emit-rtl.c (init_virtual_regs): Define.
5824 (insn_emit): Use it.
5825 * integrate.c (save_for_inline_copying): Likewise.
5827 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5829 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5830 (enum reg_class): Add NONARG_LO_REGS support.
5831 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5832 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5833 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5834 completes. Re-enable HImode REG+OFFSET addresses.
5835 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5837 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5839 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5841 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5842 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5843 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5845 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5847 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5848 jumps as a single entity, taking into account the size of the
5851 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5853 * tree.def (SWITCH_EXPR): New tree node definition.
5855 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5857 * version.c: Bump for snapshot.
5859 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5861 * version.c: Bump for snapshot.
5863 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5865 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5868 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5870 * Revert this patch.
5871 * reload.c (find_reloads): Do not replace a pseudo with
5872 (MEM (reg_equiv_addr)) in the initializing insn for the
5875 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5877 * final.c (final_scan_insn): Disable tracking CC across branches.
5879 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5881 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5882 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5883 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5884 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5885 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5887 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5889 * toplev.c (rest_of_compilation): Skip compiling anything with
5890 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5892 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5894 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5895 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5896 use in_libcall_block.
5897 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5898 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5901 Mon Sep 21 14:02:23 1998
5903 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5904 typo in no-fancy-math-387 description.
5906 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5908 * version.c: Bump for snapshot.
5910 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5912 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5914 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5916 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5917 documented in install.texi.
5918 (TARGET_OPTIONS) Likewise.
5920 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5922 * version.c: Bump for snapshot.
5924 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5926 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5927 * cccp.c (main): Likewise.
5929 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5930 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5933 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5935 * Makefile.in (LIBS): Link in libiberty.a.
5936 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5938 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5940 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5941 it to update bb boundaries. Update caller.
5942 * function.c (reposition_prologue_and_epilogue_notes): Update
5943 bb boundaries wrt the moved note.
5945 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5947 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5949 * configure: Regenerate.
5951 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5953 * alpha.c (alpha_sr_alias_set): New variable.
5954 (override_options): Set it.
5955 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5956 (mode_mask_operand): Fix signed-unsigned comparision warning.
5957 (alpha_expand_block_move): Likewise.
5958 (print_operand): Likewise.
5959 (get_aligned_mem): Use change_address.
5960 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5961 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5962 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5963 (alpha_align_insns): Remade from old alphaev5_align_insns
5964 to handle multiple processors.
5965 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5966 * output.h (label_to_alignment): Prototype.
5968 * tree.c (new_alias_set): New function.
5969 * tree.h (new_alias_set): Declare it.
5970 * c-common.c (c_get_alias_set): Use it.
5972 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5974 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5975 to an ABS expr, convert an unsigned input to signed.
5977 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5979 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5981 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5983 * configure.in: Add support for c4x targets.
5984 * configure: Rebuilt.
5986 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5988 * combine.c (distribute_notes): If an insn is a cc0 user, only
5989 delete it if we can also delete the cc0 setter.
5991 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5993 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5994 (invert_truthvalue): Enable truthvalue inversion for
5995 floating-point operands if -ffast-math.
5997 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5999 * configure.in: Disable collect2 for nextstep. Instead use
6001 * configure: Rebuilt.
6002 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6003 (ENDFILE_SPEC): Define.
6004 (OBJECT_FORMAT_MACHO): Define.
6005 (EH_FRAME_SECTION_ASM_OP): Define.
6006 * crtstuff.c: Handle MACHO.
6008 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6010 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6012 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6014 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6015 (_fpadd_parts): Get sign right for 0.
6017 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6019 * ginclude/varargs.h: Add support for C4x target.
6020 * ginclude/stdargs.h: Likewise.
6022 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6024 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6025 (alpha_emit_set_long_const): Rewrite to be callable from reload
6027 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6028 * alpha.md (movdi): Likewise.
6030 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6032 * arm.c (add_constant): New parameter address_only, change caller.
6033 Set it non-zero if taking the address of an item in the pool.
6034 (arm_reorg): Handle cases where we need the address of an item in
6037 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6039 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6040 memory addresses that are not in standard canonical form.
6042 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6044 * README.C4X: New file with information about the c4x ports.
6045 * ginclude/va-c4x.h: New file for c4x varargs support.
6046 * config/c4x: New directory with c4x port files.
6048 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6050 * reload.c (find_reloads): Do not replace a pseudo with
6051 (MEM (reg_equiv_addr)) in the initializing insn for the
6054 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6056 * toplev.c (rest_of_compilation): Set bct_p on second call to
6058 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6060 (strength_reduce): Only call analyze_loop_iterations and
6061 insert_bct if bct_p set.
6062 (check_dbra_loop): Fix typo.
6063 (insert_bct): Use word_mode instead of SImode.
6064 (instrument_loop_bct): Likewise. Do not delete iteration count
6065 condition code generation insn. Initialize iteration count before
6067 * rtl.h (loop_optimize): Update prototype.
6069 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6070 not doubleword aligned.
6072 * rs6000.c (optimization_options): New function.
6073 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6074 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6075 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6076 first; cr1 can be used for FP record condition insns.
6078 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6080 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6083 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6086 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6088 (block_move_call): New function: Call a library routine to copy a
6090 (m32r_expand_block_move): New function: Expand a "movstrsi"
6091 pattern into a sequence of insns.
6092 (m32r_output_block_move): New function: Expand a
6093 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6094 (m32r_block_immediate_operand): New function: Return true if the
6095 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6097 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6099 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6101 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6103 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6105 * regmove.c (copy_src_to_dest): Check that modes match.
6107 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6109 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6111 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6113 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6114 narrower than FLOAT_REGS.
6116 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6118 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6120 * Makefile.in (old_gxx_include_dir): removed
6122 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6124 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6127 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6128 (sh_handle_pragma): Change function arguments to match new
6129 specification for HANDLE_PRAGMA.
6131 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6133 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6135 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6136 When generating output, initialize missing struct member to zero.
6138 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6140 * regmove.c (copy_src_to_dest): Don't copy if that requires
6141 (a) new register(s).
6143 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6145 * global.c (reg_allocno): Now static.
6146 * reload1.c (reg_allocno): Delete declaration.
6147 (order_regs_for_reload): Take no arguments. Don't treat regs
6148 allocated by global differently than those allocated by local-alloc.
6150 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6152 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6153 condition, fix format strings.
6154 (output_function_epilogue): Likewise.
6156 * m68k/m68k.c: Don't include <stdlib.h> directly.
6158 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6160 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6161 mem_first_set, mem_last_set; because 0 can be a CUID.
6162 (oprs_unchanged_p): Use new definition.
6163 (record_last_reg_set_info): Likewise.
6164 (record_last_mem_set_info): Likewise.
6165 (compute_hash_table): Likewise.
6167 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6169 * rs6000.c (output_epilogue): Handle Chill.
6171 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6172 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6174 * combine.c (make_extraction): If no mode is specified for
6175 an operand of insv, extv, or extzv, default it to word_mode.
6176 (simplify_comparison): Similarly.
6177 * expmed.c (store_bit_field): Similarly.
6178 (extract_bit_field): Similarly.
6179 * function.c (fixup_var_regs_1): Similarly.
6180 * recog.c (validate_replace_rtx_1): Similarly.
6181 * mips.md (extv, extzv, insv expanders): Default modes for most
6182 operands. Handle TARGET_64BIT.
6183 (movdi_uld, movdi_usd): New patterns.
6185 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6186 equivalent memory location unless we have been provided a scratch
6187 register. Similarly do not call find_replacement unless a
6188 scratch register has been provided.
6190 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6192 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6195 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6197 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6198 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6199 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6200 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6201 * c-decl.c (init_decl_processing): Update accordingly.
6202 * expr.c (expand_builtin): Likewise.
6204 * rtl.h (global_rtl): Add cfa entry.
6205 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6206 (LAST_VIRTUAL_REGISTER): Update.
6207 * emit-rtl.c (global_rtl): Add cfa entry.
6208 (init_emit): Initialize it.
6209 * function.c (cfa_offset): New.
6210 (instantiate_virtual_regs): Initialize it.
6211 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6212 (expand_function_end): Call expand_eh_return.
6213 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6215 * except.c (current_function_eh_stub_label): Kill.
6216 (current_function_eh_old_stub_label): Likwise; update all references.
6217 (expand_builtin_set_return_addr_reg): Kill.
6218 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6219 (expand_builtin_set_eh_regs): Kill.
6220 (eh_regs): Produce a third reg for the actual handler address.
6221 (eh_return_context, eh_return_stack_adjust): New.
6222 (eh_return_handler, eh_return_stub_label): New.
6223 (init_eh_for_function): Initialize them.
6224 (expand_builtin_eh_return, expand_eh_return): New.
6225 * except.h: Update prototypes.
6226 * flow.c (find_basic_blocks_1): Update references to the stub label.
6227 * function.h (struct function): Kill stub label elements.
6229 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6230 register number is one that would be in the previous window.
6231 Provide a dummy definition for non-windowed targets.
6232 (get_reg_addr): New function.
6233 (get_reg, put_reg, copy_reg): Use it.
6234 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6235 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6237 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6238 (alpha_init_expanders): Initialize it.
6239 (alpha_expand_epilogue): Use it.
6240 * alpha.h: Declare it.
6241 * alpha.md (eh_epilogue): New.
6243 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6244 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6246 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6248 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6251 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6253 * except.h (struct eh_entry): Add false_label field.
6254 (end_catch_handler): Add prototype.
6255 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6256 (start_catch_handler): When using old style exceptions, issue
6257 runtime typematch code before continuing with the handler.
6258 (end_catch_handler): New function, generates label after handler
6259 if needed by older style exceptions.
6260 (expand_start_all_catch): No need to check for new style exceptions.
6261 (output_exception_table_entry): Only output the first handler label
6262 for old style exceptions.
6263 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6264 mechanism into one function, if a runtime matcher is provided.
6266 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6268 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6270 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6272 * integrate.c (copy_decl_list): Fix typo.
6274 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6276 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6279 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6281 * version.c: Bump for snapshot.
6283 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6285 * version.c: Bump for snapshot.
6287 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6289 * version.c: Bump for snapshot.
6291 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6293 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6295 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6297 * configure.in: remove usage of `!' to negate the result of a
6298 command; some common shells do not support it
6300 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6302 * configure.in: in sparc9-sol2 config, use 'if test' not
6304 * configure: Rebuilt.
6306 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6308 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6309 (CPP_CPU_DEFAULT_SPEC): Likewise.
6310 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6311 for arch64 libfuncs.
6313 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6316 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6318 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6320 * collect2.c: Don't declare `sys_siglist' here.
6321 (my_strsignal): Prototype and define new function. Use it in
6322 place of `sys_siglist' hacks.
6324 * mips_tfile.c: Likewise.
6326 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6327 (GCC_NEED_DECLARATIONS): Likewise.
6329 * system.h (strsignal): Prototype it, if necessary.
6330 (sys_siglist): Declare it, if necessary.
6332 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6334 * loop.c (move_movables): While removing insn sequences, preserve
6335 the next pointer of the most recently deleted insn when we skip
6338 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6340 * objc/config-lang.in: Do not output the name of the selected
6341 thread file when building the front-end. The Makefile for the
6342 runtime library will do this.
6344 * objc/Make-lang.in: Do not build the runtime library or install
6345 the Objective C header files. The Makefile for the runtime
6346 library will do this.
6348 * objc/Makefile.in (all.indirect): Only build the front-end.
6349 (compiler): Rename to `frontend'.
6350 (obj-runtime): Remove target.
6351 (copy-headers): Likewise.
6352 (clean): No need to remove `libobjc.a' any longer.
6354 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6356 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6357 supported with -mcpu=xxx.
6359 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6361 * flow.c (mark_set_1): Recognize multi-register structure return
6362 values in CALL insns.
6363 (mark_used_regs): Likewise.
6364 (count_reg_sets_1): Likewise.
6365 (count_reg_references): Likewise.
6366 * rtlanal.c (note_stores): Likewise.
6367 (reg_overlap_mentioned_p): Likewise.
6368 * haifa-sched.c (check_live_1): Likewise.
6369 (update_live_1): Likewise.
6370 (sched_analyze_1): Likewise.
6371 (sched_note_set): Likewise.
6372 (birthing_insn_p): Likewise.
6373 (attach_deaths): Likewise.
6375 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6378 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6380 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6382 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6384 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6386 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6388 * configure.in: Add check for GAS subsection -1 support.
6389 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6390 * configure config.in: Rebuilt.
6391 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6392 SImode is subsection -1 works, else use DImode.
6393 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6394 subsection -1 works.
6395 * config/sparc/sparc.c (sparc_output_addr_vec,
6396 sparc_output_addr_diff_vec): Use them if defined.
6398 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6400 * tree.h (DECL_ORIGIN): New macro.
6401 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6402 (copy_decl_list): Use it.
6403 (integrate_parm_decls): Likewise.
6404 (integrate_decl_tree): Likewise.
6405 * dwarf2out.c (decl_ultimate_origin): Simplify.
6406 * dwarfout.c (decl_ultimate_origin): Likewise.
6407 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6408 (pushdecl): Likewise.
6410 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6412 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6414 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6416 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6418 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6420 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6421 empty or has a single entry.
6423 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6424 before calling reg_to_stack.
6426 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6428 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6429 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6431 * c-tree.h (warn_long_long): Declare it.
6433 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6435 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6436 initialized float-int union if the value is a NaN.
6438 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6440 * c-lex.c (real_yylex): Don't warn about long long constants if
6441 we're allowing long long
6443 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6445 * except.h (current_function_eh_stub_label): Declare.
6446 (current_function_eh_old_stub_label): Declare.
6447 * function.h (struct function): New members eh_stub_label and
6449 * except.c (current_function_eh_stub_label): New variable.
6450 (current_function_eh_old_stub_label): New variable.
6451 (init_eh_for_function): Clear them.
6452 (save_eh_status): Save them.
6453 (restore_eh_status): Restore them.
6454 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6455 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6456 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6457 make an edge from the block that contains it to the block starting
6458 with the label if this label is one of the eh stub labels.
6459 If eh stub labels exist, show they are reachable from the last block
6462 * reload1.c (reload): Break out several subroutines and make some
6464 (calculate_needs_all_insns): New function, broken out of reload.
6465 (calculate_needs): Likewise.
6466 (find_reload_regs): Likewise.
6467 (find_group): Likewise.
6468 (find_tworeg_group): Likewise.
6469 (something_needs_reloads): New global variable, formerly in reload.
6470 (something_needs_elimination): Likewise.
6471 (caller_save_spill_class): Likewise.
6472 (caller_save_group_size): Likewise.
6473 (max_needs): Likewise.
6474 (group_size): Likewise.
6475 (max_groups): Likewise.
6476 (max_nongroups): Likewise.
6477 (group_mode): Likewise.
6478 (max_needs_insn): Likewise.
6479 (max_groups_insn): Likewise.
6480 (max_nongroups_insn): Likewise.
6481 (failure): Likewise.
6483 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6485 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6487 * loop.c (load_mems): Copy rtx for output mem.
6489 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6491 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6492 mips1 or mips2 either.
6494 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6496 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6498 (pa_adjust_insn_length): Update to work with new marking scheme
6499 for jumps inside switch tables.
6500 * pa.md (switch_jump): Remove pattern.
6501 (jump): Handle jumps inside jump tables.
6503 * Makefile.in (profile.o): Depend on insn-config.h
6505 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6507 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6509 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6511 Add preliminary native sparcv9 Solaris support.
6512 * configure.in: Recognize sparv9-*-solaris2*
6513 * configure: rebuilt
6514 * config.sub: Recognize sparcv9 just like sparc64.
6515 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6516 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6517 32-bit and 64-bit Solaris systems.
6518 * config/sparc/t-sol2: Assemble those with cpp.
6519 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6520 (*TF*_LIBCALL): If ARCH64 use V9 names.
6521 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6523 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6525 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6526 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6528 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6530 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6531 to Pmode if CASE_VECTOR_MODE is something else.
6533 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6535 * prefix.c (update_path): Correctly handle cases where PATH is
6536 a substring of the builtin prefix, but specifies a different
6539 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6541 * expr.c: Corrected comment about what MOVE_RATIO does.
6542 * config/alpha/alpha.h: Ditto.
6543 * config/1750a/1750a.h: Ditto.
6544 * config/clipper/clipper.h: Ditto.
6545 * config/i386/i386.h: Ditto.
6547 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6549 * configure.in (m68k-next-nextstep3*): Use collect2.
6550 Similarly for x86 NeXT configurations.
6551 * configure: Rebuilt.
6553 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6555 * configure.in: Don't assume srcdir is .../gcc
6556 * configure: Rebuilt.
6558 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6560 * global.c: Update comments.
6561 (global_alloc): Assign allocation-numbers
6562 even for registers allocated by local_alloc in case
6563 they are later spilled and retry_global_alloc is called.
6564 (mark_reg_store, mark_reg_clobber,
6565 mark_reg_conflicts, mark_reg_death): Always record a
6566 conflict with a pseudo register even if it has been
6567 assigned to a hard register.
6568 (dump_conflicts): Don't list pseudo registers already assigned to
6569 a hard register as needing to be allocated, but do list their
6571 * local-alloc.c: Update comment.
6573 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6575 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6576 * configure: Rebuilt.
6578 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6580 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6582 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6583 for all targets that set -msoft-float.
6585 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6587 * toplev.c (print_switch_values): Make static to match prototype.
6589 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6591 * configure.in: If we are unable to find the "gnatbind" program,
6592 then do not configure the ada subdir.
6593 * configure: Rebuilt.
6595 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6597 * version.c: Bump for snapshot.
6599 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6601 * version.c: Bump for snapshot.
6603 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6605 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6606 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6608 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6610 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6612 * genextract.c: Have insn-extract.c include toplev.h.
6614 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6616 * toplev.c: Include expr.h.
6617 (really_sorry, fancy_abort): Remove prototypes.
6618 (set_target_switch): Add argument in prototype.
6619 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6620 (v_really_sorry): Likewise.
6621 (print_version, print_single_switch, print_switch_values): Make
6622 static and add prototype arguments.
6623 (decl_printable_name): Add prototype arguments.
6624 (lang_expand_expr_t): New typedef.
6625 (lang_expand_expr): Declare as a lang_expand_expr_t.
6626 (incomplete_decl_finalize_hook): Add prototype argument.
6627 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6628 (botch): Likewise for variable `s'.
6629 (rest_of_type_compilation): Mark variables `type' and `toplev'
6630 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6631 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6632 (display_help): Make variable `i' an `unsigned long'.
6633 (main): Remove unused parameter `envp'.
6634 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6635 Cast -1 when comparing it with a `size_t'.
6637 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6638 prototype with ATTRIBUTE_NORETURN.
6639 (fatal_insn_not_found, fatal_insn, really_sorry,
6640 push_float_handler, pop_float_handler): Add prototypes.
6641 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6642 (do_abort, botch): Add prototypes.
6644 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6646 * final.c (final): If a label is reached only from a single jump,
6647 call NOTICE_UPDATE_CC on the jump and its predecessor before
6648 emitting the insn after the label.
6650 * i386.h: Add AMD K6 support.
6651 Change TARGET_* macros to use table lookup.
6652 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6653 (ADJUST_COST): Change definition to call function in i386.c.
6654 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6655 * i386.c: Add AMD K6 support.
6656 Add constants for feature tests used by TARGET_* macros.
6657 (split_di): If before reload, call gen_lowpart and gen_highpart.
6658 (x86_adjust_cost): New function.
6659 (put_jump_code): New function.
6660 (print_operand): New codes 'D' and 'd'.
6661 * i386.md: New insn types. New insn attribute "memory".
6662 Redefine scheduling parameters to use new types and add AMD K6
6663 support. Explicitly set type of most insns.
6664 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6665 Pro and K6 prefer movl $1,reg to incl reg.
6666 (adddi3, subdi3): Set cc_status.
6667 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6668 to int; x86 can't have more than 2^31 DImode shifts per file.
6669 (setcc): Combine all setcc patterns. Allow writing memory.
6670 Combine all jump patterns using match_operator.
6671 (*bzero): Name pattern. Emit mutliple stos instructions when that
6672 is faster than rep stos.
6673 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6676 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6678 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6681 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6683 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6684 not whatever we're generating now.
6686 * alpha.c (set_frame_related_p, FRP): New.
6687 (alpha_expand_prologue): Mark frame related insns.
6688 (alpha_expand_epilogue): Likewise, but with a null FRP.
6689 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6690 * alpha.md (exception_receiver): New.
6691 * alpha/crtbegin.asm (.eh_frame): New beginning.
6692 (__do_frame_setup, __do_frame_takedown): New.
6693 * alpha/crtend.asm (.eh_frame): New ending.
6694 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6695 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6696 (ASM_FILE_START): Don't emit .file for dwarf2.
6698 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6699 * rtl.c (reg_note_name): Likewise.
6700 * rtl.texi (REG_NOTES): Likewise.
6701 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6704 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6706 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6707 * i386.md (movsf, movdf, movxf): Validate memory address returned
6708 from force_const_mem. Kill useless REG_EQUAL setting code.
6710 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6712 * m68k.md (zero_extendsidi2): Fix typo.
6714 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6716 * configure.in: Removed references to the removed file
6717 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6718 * arm*-*-netbsd* and ns32k-*-netbsd*.
6719 * config/i386/xm-netbsd.h: Removed unnecessary file.
6720 * config/m68k/xm-netbsd.h: Likewise.
6721 * config/sparc/xm-netbsd.h: Likewise.
6722 * config/mips/xm-netbsd.h: Likewise.
6724 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6726 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6727 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6729 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6730 for exact section attributions.
6732 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6734 * i386/crtdll.h (CPP_PREDEFINES): Define.
6736 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6738 * m68k.md (5200 movqi): Do not allow byte sized memory references
6740 * m68k.c (output_move_qimode): Do not use byte sized operations on
6743 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6744 explicit rules for building. Similarly for alloca, vfprintf,
6745 choose-temp and mkstemp, getopt, getopt1, and obstack.
6746 (INCLUDES): Add $(srcdir)/../include.
6747 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6748 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6750 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6752 * gcc.c (do_spec_1): [case 'o'] Account for
6753 lang_specific_extra_outfiles.
6754 (main): Correctly clear all slots in outfiles for
6755 lang_specific_extra_outfiles. Set input_file_number before
6756 calling lang_specific_pre_link.
6758 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6760 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6762 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6764 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6766 (sparc_output_deferred_case_vectors): If no work to do, return.
6767 Fix thinko in Sept 1 change.
6769 1998-09-03 SL Baur <steve@altair.xemacs.org>
6771 * Makefile.in: add semicolon in BISON definition for portability.
6773 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6775 * config/nextstep.c (handle_pragma): Correct name of third
6778 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6780 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6781 * config/m32r/m32r.h: Make register 17 be fixed.
6782 * config/m32r/m32r.c: Use SImode for cc operations.
6784 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6786 * invoke.texi (Warning Options): Add -Wnon-template-friend
6789 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6791 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6793 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6795 * rs6000.md (movsf): Disable explicit secondary-reload-like
6796 functionality if TARGET_POWERPC64.
6797 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6800 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6802 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6803 and term.h from fixinc.wrap.
6805 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6807 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6808 safe to include both string.h and strings.h together.
6809 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6810 which headers to search for function declarations. Continue to
6811 prefer string.h over strings.h when both are not acceptable.
6813 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6815 * configure.in: Call GCC_HEADER_STRING.
6817 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6818 to include. Continue to prefer string.h over strings.h when both
6821 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6823 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6824 not assume top 32-bits of symbolic addresses are zero if
6827 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6829 * ginclude/va-alpha.h: Protect entire second portion of the
6830 file against double inclusion.
6832 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6834 Added support for the Boehm's garbage collector.
6835 * configure.in: Handle --enable-objc-gc.
6836 * configure: Rebuilt.
6837 * Makefile.in (CHECK_TARGETS): Add check-objc.
6838 (check-objc): New rule.
6839 * objc/Make-lang.in: Build a different Objective-C library that
6840 runs with the Boehm's collector.
6841 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6842 * objc/encoding.c: Correctly compute the size of compound types in
6843 the presence of bitfields. Skip the variable name of the type if
6844 any. Added support for long long.
6845 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6846 (_F_GCINVISIBLE): New mask.
6847 * objc/gc.c: New file. Compute the type memory mask associated with
6848 a class based on the runtime information.
6849 * objc/misc.c: Added the hooks that use the Boehm's collector
6850 allocation functions.
6851 * objc/objc-act.c (build_class_template): Generate a new class
6852 member (gc_object_type) to hold the class' type memory mask.
6853 (build_shared_structure_initializer): Initialize the new member to
6855 (encode_complete_bitfield): New function. Generate the new
6857 (encode_field_decl): Generate the new encoding only for the GNU
6859 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6861 (class_get_gc_object_type): New function to mark a pointer instance
6862 variable as a weak pointer.
6863 * objc/objc-features.texi: New file.
6864 * objc/objc.h (gc_object_type): New class member.
6865 * objc/objects.c (class_create_instance): Create a typed memory
6866 object when compiled with Boehm's collector support.
6867 * objc/sendmsg.c (__objc_init_install_dtable): Call
6868 __objc_send_initialize instead of setting the initialize flag.
6869 (__objc_send_initialize): Call __objc_generate_gc_type_description
6870 to generate the class type memory mask. Rewrite the code that
6871 sends the +initialize so that it is called only once (bug report
6872 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6873 * testsuite/objc: New testsuite for Objective-C type encoding.
6874 * testsuite/lib/objc-torture.exp: New file.
6875 * testsuite/lib/objc.exp: New file.
6877 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6879 * jump.c (jump_optimize): In if/then/else transformations, add
6880 another call to modified_between_p for the jump insn.
6882 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6884 * fix-header.c (symlink): Treat like readlink.
6886 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6888 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6891 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6893 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6894 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6895 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6897 * config/nextstep.c (handle_pragma): Take three arguments, as per
6898 the new HANDLE_PRAGMA macro specification.
6899 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6900 per the new HANDLE_PRAGMA macro specification.
6901 * config/i960/i960.c (process_pragma): Take three arguments, as
6902 per the new HANDLE_PRAGMA macro specification.
6904 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6906 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6907 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6908 if unknown pragmas are encountered.
6909 (handle_sysv_pragma): Interpret return code from
6910 handle_pragma_token (). Return success/failure indication rather
6911 than next unprocessed character.
6912 (pragma_getc): New function: retrieves characters from the
6913 input stream. Defined when HANDLE_PRAGMA is enabled.
6914 (pragma_ungetc): New function: replaces characters back into the
6915 input stream. Defined when HANDLE_PRAGMA is enabled.
6917 * c-pragma.c (handle_pragma_token): Return success/failure status
6920 * c-pragma.h: Change prototype of handle_pragma_token().
6922 * varasm.c: (handle_pragma_weak): Only create this function if
6923 HANDLE_PRAGMA_WEAK is defined.
6925 * c-common,c (decl_attributes): If defined call the expression
6926 contained within the INSERT_ATTRIBUTES macro before adding
6927 attributes to a decl.
6929 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6930 HANDLE_PRAGMA, which takes three arguments.
6931 (INSERT_ATTRIBUTES): Document this new macro.
6933 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6934 new INSERT_ATTRIBUTES macro.
6936 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6938 * config/sparc/sparc.md (movdf): Only generate special RTL for
6939 LABEL_REFs when PIC.
6940 (move_label_di): Remove
6941 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6942 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6943 references when PIC.
6944 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6945 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6946 output an .xword for all 64-bit cases.
6948 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6950 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6951 alignment, use FUNCTION_BOUNDARY instead.
6952 (sparc_output_deferred_case_vectors): Likewise.
6954 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6956 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6957 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6959 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6961 * alpha/va_list.h: New file.
6962 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6964 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6966 * NEWS: Add SCO Openserver and Unixware 7 notes.
6970 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6972 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6973 (record_constant_1): Handle RANGE_EXPR.
6975 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6977 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6978 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6979 and NOTE_INSN_RANGE_END specially.
6980 (reemit_notes): Likewise.
6982 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6984 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6985 (ultrasparc_sched_init): Remove unneeded &.
6987 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6989 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6990 for m68020-60, to prevent the use of fintrz.
6992 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6994 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6996 * Makefile.in: Likewise.
6997 * configure: Regenerated.
6999 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7001 * configure.in (gxx_include_dir): Changed to
7002 '${prefix}/include/g++'-${libstdcxx_interface}.
7003 * configure: Rebuilt.
7005 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7007 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7009 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7010 *sequences* *below* which scalar moves will be used.
7012 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7014 * collect2.c (mktemp): Delete unused declaration.
7016 * config/xm-netbsd.h: Remove unnecessary file.
7017 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7018 file anymore, it is not needed.
7020 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7022 * convert.c (convert_to_integer): Issue an error on conversions to
7025 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7027 * Makefile.in: Add lang_tree_files and gencheck.h.
7028 * configure.in: Generate them.
7029 * gencheck.c: Include gencheck.h.
7031 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7033 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7034 movdi_lo_sum_pic and movdi_high_pic and make visible.
7035 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7036 emit these when Pmode is not SImode.
7037 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7039 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7041 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7042 .linkonce directive after the first time.
7044 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7046 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7047 the clobbered operand overlaps with an input.
7048 (bne0_di): Similarly.
7050 * Makefile.in (INSTALL): Remove "--no-header" argument.
7052 * NEWS: Various updates.
7054 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7056 * config/sparc/sparc.c (arith_operand, const64_operand,
7057 const64_high_operand, arith_double_4096_operand): Mark mode as
7059 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7061 (sparc_emit_set_const64): Remove unused variable i.
7062 (sparc_splitdi_legitimate): Likewise for addr_part.
7063 (ultra_code_from_mask): Likewise for mask.
7064 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7065 reverse return values so it matches usage and comments.
7066 (ultra_flush_pipeline): Likewise.
7067 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7068 this_type, and allow loads and stores of differing FP modes as
7069 they do not create a conflict.
7070 (ultra_find_type): Initialize fpmode to SFmode, fix
7071 parenthesization thinkos in large conditional.
7072 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7073 Init free_slot_mask after ultra_cur_hist is reset, not before.
7074 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7075 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7076 use ultra_flush_pipeline instead, then re-init group pointer.
7077 Fix statement with no effect. If no progress made in, and no
7078 instructions scheduled at all, advance to new pipeline cycle else
7079 we get into an endless loop.
7080 (ultrasparc_adjust_cost): Remove previous arg.
7081 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7083 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7085 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7086 code. Use reg_overlap_mentioned_p to detect when source and
7087 destination overlap.
7088 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7090 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7092 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7093 COMPARISON_VAL, into invariant_p.
7095 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7097 * regmove.c (regclass_compatible_p): New function.
7098 (regmove_optimize): Use it.
7100 Use NREGS parameter insted of calling max_reg_num.
7102 (fixup_match_1): Don't use code = MINUS when later tieing with
7103 a hard register is likely.
7105 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7107 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7108 COMPARISON_VAL was normalized.
7110 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7112 * loop.c (check_dbra_loop): The loop ending comparison value
7113 must be an invariant or we can not reverse the loop.
7115 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7116 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7118 (load_mems_and_recount_loop_regs_set): Likewise.
7120 * i386.c (print_operand): Remove obsolete 'c' docs.
7122 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7124 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7125 * frame.c (init_object_mutex): New function.
7126 (init_object_mutex_once): Likewise.
7127 (find_fde): Call it.
7128 (__register_frame_info): Likewise.
7129 (__register_frame_info_table): Likewise.
7130 (__deregister_frame_info): Likewise.
7132 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7134 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7136 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7138 * loop.c (check_dbra_loop): Enable code for reversal
7139 of some loops without a known constant loop end.
7141 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7143 * haifa-sched.c (last_clock_var): New.
7144 (schedule_block): Initialize it.
7145 (schedule_insn): Use it to fill insn modes with issue information.
7147 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7148 Tag trapb and next insn with TImode.
7149 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7150 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7151 Invoke alphaev5_align_insns as appropriate.
7152 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7153 (MD_SCHED_VARIABLE_ISSUE): New.
7154 * alpha.md (attr type): Add multi.
7155 (define_asm_attributes): New.
7156 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7157 (arg_home): Likewise.
7158 (fnop, unop, realign): New.
7160 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7162 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7163 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7165 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7166 (rs6000-ibm-aix4.[12]*): Likewise.
7167 * configure: Regnerate.
7169 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7171 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7172 already contains the return address.
7174 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7176 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7177 word sized hunks when loading unaligned args into registers.
7179 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7180 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7182 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7184 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7186 * loop.c (check_dbra_loop): Add some code that would allow reversal
7187 of some loops without a known constant loop end if it were enabled.
7189 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7191 * mips.md (lshrsi3_internal2+2): Fix type-o.
7193 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7195 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7196 correctly with regards to stdio.h.
7198 * calls.c: Remove stdarg.h/varargs.h.
7201 * combine.c: Likewise.
7202 * cpperror.c: Likewise.
7203 * cpplib.c: Likewise.
7204 * cpplib.h: Likewise.
7205 * doprint.c: Likewise.
7206 * emit-rtl.c: Likewise.
7207 * final.c: Likewise.
7208 * fix-header.c: Likewise.
7210 * genattr.c: Likewise.
7211 * genattrtab.c: Likewise.
7212 * gencodes.c: Likewise.
7213 * genconfig.c: Likewise.
7214 * genemit.c: Likewise.
7215 * genextract.c: Likewise.
7216 * genflags.c: Likewise.
7217 * genopinit.c: Likewise.
7218 * genoutput.c: Likewise.
7219 * genpeep.c: Likewise.
7220 * genrecog.c: Likewise.
7221 * mips-tfile.c: Likewise.
7222 * prefix.c: Likewise.
7223 * protoize.c: Likewise.
7224 * regmove.c: Likewise.
7225 * toplev.c: Likewise.
7228 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7230 * config/sparc/sparc.c (sparc_override_options): If not
7231 TARGET_FPU, turn off TARGET_VIS.
7232 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7233 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7234 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7235 (movdi_insn_sp64): Add VIS fzero alternative.
7236 (clear_sf, clear_df): New VIS patterns.
7237 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7239 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7241 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7243 * loop.c (n_times_set, n_times_used, may_not_optimize,
7244 reg_single_usage): Convert to varrays. All uses changed.
7245 (insert_loop_mem): Return a value.
7246 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7247 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7250 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7253 * configure.in: Do not set thread_file to "irix" since no such
7256 * sparc.md (float abs/neg splits): Check reload_completed before
7257 calling alter_subreg.
7259 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7261 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7263 * config/sparc/sparc.h: Declare it.
7264 * config/sparc/sparc.md (float abs/neg splits): Use it.
7265 (all other splits): Handle SUBREGs properly where necessary.
7266 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7268 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7270 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7271 an insn on the unfilled_slots_list that has no delay slots.
7272 (fill_eager_delay_slots): Similarly.
7274 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7276 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7277 as an ordinary operand.
7279 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7281 * tree.c (valid_machine_attribute): Don't apply attributes to both
7284 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7286 * reload.c (operands_match_p): Handle rtvecs.
7288 * i386.c (legitimate_pic_address_disp_p): New.
7289 (legitimate_address_p): Use it.
7290 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7291 Handle constant pool symbols just like statics.
7292 (emit_pic_move): Use Pmode not SImode for clarity.
7293 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7294 [UNSPEC]: New, handling what we killed above.
7295 [PLUS]: Detect and abort on invalid symbol arithmetic.
7296 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7298 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7300 * alias.c: Include output.h.
7301 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7302 different if we're in a varargs function.
7303 * Makefile.in (alias.o): Depend on output.h
7305 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7307 * sh.h (GIV_SORT_CRITERION): Delete.
7309 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7311 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7312 * stupid.c (stupid_life_analysis): Ditto.
7313 * reload1.c (reload): Ditto.
7315 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7317 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7318 arith_double_4096_operand, arith_double_add_operand): New
7320 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7321 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7322 them to transform add/sub 4096 into add/sub -4096.
7324 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7326 * loop.c (scan_loop): Allocate some slop to handle pseudos
7327 generated by move_movables.
7328 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7331 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7333 * tree.def (DECL_RESULT): Correct documentation.
7335 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7337 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7338 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7339 conflicts will all RELOAD_FOR_OUTPUT reloads.
7341 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7342 loads the function result, substitute with a USE.
7344 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7346 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7347 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7348 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7349 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7350 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7351 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7353 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7354 'o' to 'm' for GPR variant constraints.
7356 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7358 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7360 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7362 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7363 when the source and destination overlap.
7365 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7366 clash with global type.
7368 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7370 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7372 * c-common.c (combine_strings): Also set TREE_READONLY.
7373 Change warn_write_strings to flag_const_strings.
7374 * c-decl.c, c-tree.h: Likewise.
7376 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7378 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7379 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7380 sequence, use SET/IOR instead so CSE can see it.
7381 * config/sparc/sparc.md (movhi_const64_special,
7382 movsi_const64_special): New patterns necessitated by that change.
7383 (movhi_high): Remove.
7384 (movhi_lo_sum): Change to match an IOR.
7385 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7386 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7387 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7388 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7389 registers are involved.
7390 (snesi_zero_extend split): Remove reload_completed test.
7391 (unnamed plus and minus zero_extend sidi splits): Add it.
7393 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7395 * extend.texi: Remove description of extension to explicit
7396 instantiation that is now endorsed by standard C++.
7398 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7400 * config/arc/arc.c (arc_initialize_pic): Remove.
7401 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7402 nothing on any platform and is invoked by no-one, it does not even
7403 appear in the documentation.
7404 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7405 * config/sparc/sparc.c (initialize_pic): Likewise.
7406 (find_addr_reg): Remove this as well, no longer referenced after
7409 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7411 * recog.c (validate_replace_rtx_group): New function.
7412 * recog.h (validate_replace_rtx_group): Declare it.
7413 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7414 the entire group of substitutions.
7416 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7418 * loop.c (load_mems): Fix initializers.
7420 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7422 * config/sparc/sparc.md (TFmode splits): Handle destination
7423 registers being referenced in the address correctly.
7425 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7426 TREE_UNSIGNED, when bitsize of type's mode is larger than
7427 HOST_BITS_PER_WIDE_INT.
7429 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7431 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7432 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7433 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7435 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7438 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7440 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7441 * h8300.h (TINY_DATA_NAME_P): Likewise.
7442 (STRIP_NAME_ENCODING): Handle '&'.
7444 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7445 register (it could be accessed via an outer SUBREG).
7446 (REG_OK_FOR_BASE_P): Likewwise.
7447 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7449 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7452 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7454 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7456 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7457 must be offsettable so the splits can be made.
7459 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7461 * config/i386/winnt.c: Include system.h, not stdio.h to get
7462 sys/param.h pulled in before rtl.h in case the system defines MIN
7465 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7467 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7469 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7471 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7473 * cpplib.c (cpp_define): Handle macros with parameters.
7475 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7477 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7478 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7479 and DImode 64-bit. Use llong for minimal-toc SFmode and
7480 SYMBOL_REF / LABEL_REF 64-bit.
7481 (output_function_profiler): Use llong for profiler label and ld to
7482 load 64-bit label address.
7484 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7486 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7489 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7491 * version.c: Bump for snapshot.
7493 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7495 * version.c: Bump for snapshot.
7497 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7499 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7501 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7503 * tm.texi (Misc): Fix typo "teh".
7505 * tm.texi (PIC): Fix typo "PPIC".
7507 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7508 effect when -O2 and higher.
7509 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7511 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7513 * regclass.c: Changed register set documentation to be consistent
7516 * final.c (final_start_function) Removed redundant test for
7519 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7521 * rtl.h (rtx_function): New type.
7522 (for_each_rtx): New function.
7523 * rtlanal.c (for_each_rtx): Define it.
7525 * recog.c (change_t): New type.
7526 (change_objects, change_old_codes, change_locs, change_olds):
7528 (changes): New variable.
7529 (validate_change): Dynamically allocate room for more changes, if
7530 necessary. Uses changes array instead of change_objects, etc.
7531 (apply_change_group): Use changes array instead of
7532 change_objects, etc.
7534 * loop.c (loop_mem_info): New type.
7535 (loop_mems): New variable.
7536 (loop_mems_idx): Likewise.
7537 (looop_mems_allocated): Likewise.
7538 (scan_loop): Remove nregs parameter.
7539 (next_insn_in_loop): New function.
7540 (load_mems_and_recount_loop_regs_set): Likewise.
7541 (load_mems): Likewise.
7542 (insert_loop_mem): Likewise.
7543 (replace_loop_mem): Likewise.
7544 (replace_label): Likewise.
7545 (INSN_IN_RANGE_P): New macro.
7546 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7547 (scan_loop): Remove nregs parameter, compute it after any new
7548 registers are created by load_mems. Use INSN_IN_RANGE_P and
7549 next_insn_in_loop rather than expanding them inline. Call
7550 load_mems to load memory into pseudos, if appropriate.
7551 (prescan_loop): Figure out whether or not there are jumps from the
7552 loop to targets other than the label immediately following the
7553 loop. Call insert_loop_mem to notice all the MEMs used in the
7554 loop, if it could be safe to pull MEMs into REGs for the duration
7556 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7558 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7560 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7562 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7564 * config/sparc/sparc.c (finalize_pic): Check for the correct
7565 nonlocal_goto_receiver UNSPEC number.
7566 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7567 making note of this dependency existing in sparc.c
7568 (negtf2_notv9 split): Give NEG SFmode.
7569 (negsf2): Fix insn output string.
7571 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7573 * c-common.c (decl_attributes): Issue an error if the argument
7574 to alias is not a string.
7576 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7578 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7579 pending memory flush list.
7581 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7583 (try_combine): Allow combining insns with REG_LIBCALL notes.
7585 * expr.c (emit_block_move): Do not call memcpy as a libcall
7586 instead build up a CALL_EXPR and call it like any other
7588 (clear_storage): Similarly for memset.
7590 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7593 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7596 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7597 and REG_LIVE_LENGTH as successful substitutions are made.
7599 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7601 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7602 statement after end of loop label.
7604 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7606 * config/sparc/sparc.c (ultra_types_avail): New variable.
7607 (ultra_build_types_avail): New function to record mask of insn
7608 types in ready list at this cycle.
7609 (ultrasparc_sched_reorder): Call it.
7610 (ultra_find_type): Use it to quicken the search. Also simplif
7611 dependency check, don't use rtx_equal_p because we know exactly
7612 what we are looking for.
7614 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7616 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7617 for architecture v4.
7619 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7621 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7623 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7624 movdf_const_intreg and helper splits): New patterns to move float
7625 constants into integer registers.
7626 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7629 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7632 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7634 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7636 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7637 a BASE_REGS register is needed as an intermediate when copying
7638 a symbolic value into any register class other than BASE_REGS.
7640 * expr.c (move_by_pieces): No longer static. Remove prototype.
7641 * rtl.h (move_by_pieces): Add extern prototype.
7642 * mips.c (expand_block_move): Handle aligned straight line copy by
7643 calling move_by_pieces.
7645 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7648 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7650 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7651 jumps out of the loop to be treated as part of the exit test.
7653 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7654 Jeff Law <law@cygnus.com>
7656 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7657 * cplus-dem.c: Delete.
7659 * Makefile.in (fold-const.o): depend on $(RTL_H).
7661 * fold-const.c: Include rtl.h to get the prototype for
7662 `set_identifier_local_value'.
7664 * loop.c (express_from_1): Remove unused variable `tmp'.
7665 (combine_givs): cast the first argument of bzero to char *.
7667 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7669 * c-decl.c (init_decl_processing): Remove unneeded &.
7671 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7673 * except.c (set_exception_lang_code, set_exception_version_code):
7674 Change parameter from `short' to `int' to avoid using a gcc
7677 * except.h (set_exception_lang_code, set_exception_version_code):
7678 Likewise for prototypes.
7680 * flow.c (count_reg_references): Remove unused variables `regno'
7683 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7685 * prefix.c (translate_name): Cast the result of `alloca'.
7687 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7689 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7691 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7693 (valid_dbcc_comparison_p): Mark mode argument as unused.
7694 (symbolic_operand): Likewise.
7695 (legitimize_pic_address): Likewise.
7696 (const_uint32_operand): Likewise.
7697 (const_sint32_operand): Likewise.
7698 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7699 schedule_insns and comment out rest of file.
7701 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7703 (output_move_[hq]imode): Likewise.
7705 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7707 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7708 * invoke.texi: Corresponding changes.
7710 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7712 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7714 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7716 * config/sparc/sparc.c (ultra_code_from_mask,
7717 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7718 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7719 ultrasparc_sched_init, ultrasparc_variable_issue,
7720 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7721 functions to describe UltraSPARC pipeline exactly to Haifa.
7722 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7723 as there is nothing the scheduler can do about it. Indicate that
7724 REG_DEP_OUTPUT's collide. Fixup formatting.
7725 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7726 divide costs on Ultra for DImode.
7727 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7729 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7730 ieuN and add call_no_delay_slot to type list.
7731 (cti function unit): New unit for branches on UltraSPARC.
7732 (subx/addx insns): Set type to misc.
7733 (sidi zero/sign extension insns on arch64): Set type to shift.
7734 (sign_extendhidi2_insn): Set type to sload.
7736 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7738 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7739 (output_epilog): Use if != 0 for offset.
7740 (rs6000_fatal_bad_address): Prepare for Intl.
7741 * rs6000.h (rs6000_fatal_bad_address): Declare.
7742 * rs6000.md (movsfcc, movdfcc): Use else if.
7743 (elf_high): Use {liu|lis}.
7744 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7745 (movsi): Use rs6000_fatal_bad_address.
7747 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7749 * reload.c (find_equiv_reg): Reject equivalences separated
7750 by a volatile instruction.
7752 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7754 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7756 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7758 * alpha.md (movsicc): Fix mode mismatch.
7760 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7762 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7764 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7766 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7768 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7769 write-only modifier from operand 1 constraint.
7771 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7773 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7774 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7776 (sparc_emit_set_const64): Likewise, also when computing trailing
7777 bits do not negate low_bits and make fast_int an int.
7779 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7781 * loop.c (add_label_notes): Do not ignore references to labels
7782 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7783 * gcse.c (add_label_notes): Similarly.
7785 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7787 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7788 (adddi_dishl32): Similarly.
7790 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7792 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7793 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7794 * cse.c (cse_basic_block): Add parens to shut up warnings.
7796 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7798 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7799 sparc_emit_set_const64_longway, const64_is_2insns,
7800 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7801 in 64-bit constant formation.
7802 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7803 rtl for addx not subx.
7804 (define_insn movdi_const64_special): Make available even when
7805 HOST_BITS_PER_WIDE_INT is not 64.
7806 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7807 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7808 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7809 instances of operand 1 inside a QI subreg.
7810 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7811 (one_cmpldi2_sp64): Fix output string.
7812 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7814 (unnamed arch64 ashift DI): Truncate shift count if greater than
7817 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7819 * expr.c (store_expr): Don't optimize away load-store pair
7820 when either source or destination have a side effect.
7822 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7824 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7825 operands of SET are incompatible.
7827 * alpha.md: Fix max and min patterns so modes of SET operands match.
7829 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7831 * configure.in: Avoid [[ by using test and changequote.
7832 * configure: Rebuild.
7834 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7836 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7838 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7839 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7840 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7841 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7842 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7843 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7844 Fix mismatching modes in SET operands.
7845 (conditional move patterns): Fix formatting.
7846 (unnamed subx arch64 pattern): Remove duplicate insn.
7848 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7850 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7851 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7852 (input_operand): Fixup test for what we accept for constant
7854 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7856 (safe_constDI): Remove.
7857 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7858 gen_safe_XOR64): New functions.
7859 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7860 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7862 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7863 available when HOST_BITS_PER_WIDE_INT is not 64.
7864 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7865 move before movdi_insn_sp64 pattern.
7866 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7867 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7868 symbolic_operand as predicate for second operand.
7869 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7870 expander): Give set VOIDmode.
7872 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7874 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7876 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7878 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7880 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7882 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7884 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7886 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7888 * install.texi: Various SCO OpenServer tweaks.
7890 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7892 * reload1.c (eliminate_regs_in_insn): Handle another case when
7893 eliminating the frame pointer to the hard frame pointer. Add
7894 missing ep->to_rtx check to one existing case.
7896 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7898 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7900 * tree.h: De-conditionalize init_priority code.
7902 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7903 * collect2.c (NM_FLAGS): Change from -p to -n.
7905 * configure.in: Turn on collect2 for mipstx39-elf.
7906 Handle use_collect2=no properly.
7908 * c-common.c: De-conditionalize init_priority code.
7909 * collect2.c (extract_init_priority, sort_ids): New fns.
7910 (main): Call sort_ids.
7911 Move sequence_number to file scope.
7913 * configure.in: Handle --enable-init-priority.
7914 * c-common.c (attrs): Add A_INIT_PRIORITY.
7915 (init_attributes, decl_attributes): Likewise.
7916 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7917 * tree.c (get_file_function_name_long): Split out...
7918 (get_file_function_name): ...from here.
7920 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7922 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7925 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7927 * toplev.c (display_help): Add braces to shut up warnings.
7928 * tree.c (simple_cst_equal): Likewise.
7930 * fold-const.c (non_lvalue): Don't deal with null pointer
7932 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7934 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7935 of any size to a pointer.
7937 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7939 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7941 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7943 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7944 which will be saved.
7945 * mn10300.md (prologue insn): Only save registers which need saving.
7946 (epilogue insn): Similarly.
7948 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7951 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7953 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7954 VAR_DECL's in gp addressable sections.
7956 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7958 * sparc.c: Change return <exp> to <exp>; return; in functions
7960 * sparc.md: Add empty semicolon statement after final label in
7963 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7965 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7966 addx_extend_sp64, only allow when TARGET_ARCH64.
7967 (define_insn addx_extend_sp32 and split): Version that works when
7969 (define_insn subx_extend): Likewise.
7970 (define_split adddi3 and subdi3 with zero extension): Fixup and
7971 correct bugs when not TARGET_ARCH64.
7973 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7975 * except.c (set_exception_lang_code, set_exception_version_code):
7976 Use prototype-style definition if __STDC__, to match declaration
7979 * genemit.c: Change FAIL and DONE macros not to use loops.
7981 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7983 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7984 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7986 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7988 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7990 * README.g77: Update from Craig.
7992 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7994 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7996 (safe_constDI sparc_emit_set_const64_quick1,
7997 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7998 analyze_64bit_constant, const64_is_2insns,
7999 create_simple_focus_bits): Fix some bugs when compiled on real
8001 (function_arg_record_value_3, function_arg_record_value_2,
8002 function_arg_record_value): Add fully prototyped forward decls.
8003 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8004 to cmpsi_insn and use on both 64 and 32 bit targets.
8005 (define_insn cmpsi_insn_sp64): Remove.
8006 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8007 (define_insn zero_extendsidi2_insn): Rename to
8008 zero_extendsidi2_insn_sp64.
8009 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8010 assosciated forced split for it.
8012 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8014 * config/sparc/sparc.h: Declare them.
8015 (PREDICATE_CODES): Add them.
8016 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8017 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8019 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8021 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8022 in v9 case as the latter makes the Solaris assembler crash.
8024 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8026 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8027 for TFmode when !v9. We require offsettable memory addresses.
8028 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8029 DFmode register number conversions.
8030 * config/sparc/sparc.md (define_split DFmode moves): If register
8031 is a SUBREG do alter_subreg on it before using.
8032 (define_expand movtf): Fixup comment about alignment on v9.
8033 (define_split TFmode moves): Don't use gen_{high,low}part, create
8034 explicit SUBREGs instead.
8036 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8038 * Makefile.in (mbchar.o): Depend on mbchar.c.
8040 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8041 Richard Henderson <rth@cygnus.com>
8043 Rewrite Sparc backend for better code generation and
8044 improved sparc64 support.
8045 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8047 * config/sparc/sysv4.h: Likewise.
8048 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8049 move_operand, v8plus_regcmp_op, emit_move_sequence,
8050 singlemove_string, doublemove_string, mem_aligned_8,
8051 output_move_double, output_move_quad, output_fp_move_double,
8052 move_quad_direction, output_fp_move_quad, output_scc_insn):
8054 (small_int_or_double): New predicate.
8055 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8056 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8057 old pic_{sethi,lo_sum}_si patterns.
8058 (mem_min_alignment): New generic function to replace
8059 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8060 available and can test for arbitrary alignments. All callers
8062 (save_regs, restore_regs, build_big_number,
8063 output_function_prologue, output_cbranch, output_return,
8064 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8065 sparc_flat_output_function_epilogue): Prettify
8067 (output_function_epilogue): Likewise and add code to output
8068 deferred case vectors.
8069 (output_v9branch): Likewise, add new arg INSN and use it to tack
8070 on branch prediction settings. All callers changed.
8071 (print_operand): Likewise and output %l44 for LO_SUMs when
8073 (sparc_splitdi_legitimate): New function to make sure DImode
8074 splits can be run properly when !arch64.
8075 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8076 Reformat example code in comments.
8077 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8078 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8079 of deferred case vectors we need to output.
8080 (sparc_defer_case_vector): Record a case vector.
8081 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8082 sparc_output_deferred_case_vectors): New functions to output them.
8083 (sparc_emit_set_const32): New function to form 32-bit constants in
8084 registers when that requires more than one instruction.
8085 (safe_constDI, sparc_emit_set_const64_quick1,
8086 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8087 analyze_64bit_constant, const64_is_2insns,
8088 create_simple_focus_bits, sparc_emit_set_const64): New functions
8089 which do the same for 64-bit constants when arch64.
8090 (sparc_emit_set_symbolic_const64): New function to emit address
8091 loading for all code models on v9.
8092 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8093 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8094 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8095 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8096 inaccuracies in comments, add symbolic and text_segment operands
8097 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8098 GENERAL_REGS in these cases as a temp REG is needed to load these
8099 addresses into a register properly.
8100 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8102 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8103 quads are guarenteed to have 16-byte alignment.
8104 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8105 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8106 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8107 deferred case vector implementation.
8108 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8109 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8110 Generate "internal label - label" instead of "label - 1b".
8111 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8112 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8113 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8115 (doublemove_string, output_block_move, output_fp_move_double,
8116 output_fp_move_quad, output_move_double, output_move_quad,
8117 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8118 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8119 (sparc_emit_set_const32, sparc_emit_set_const64,
8120 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8121 mem_min_alignment, small_int_or_double): Add externs.
8122 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8123 UNSPEC_VOLATILE in this backend.
8124 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8125 unary to types which execute in it.
8126 (define_function_unit ieu_shift): Rename to ieu0.
8127 (define_function_unit ieu1): New, executes compare, call, and
8128 uncond_branch type insns.
8129 (define_function_units for type fdivs, fdivd, fsqrt): These
8130 execute in the fpu multiply unit not the adder on UltraSparc.
8131 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8132 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8133 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8134 allows the arith_double_operand predicate and rHI constraint when
8136 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8137 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8138 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8139 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8140 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8141 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8142 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8143 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8144 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8145 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8146 sign_extendqihi2_insn, sign_extendqisi2_insn,
8147 sign_extendqidi2_insn, sign_extendhidi2_insn,
8148 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8149 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8150 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8151 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8152 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8153 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8154 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8155 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8156 smulsi3_highpart_v8plus, unnamed subreg mult,
8157 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8158 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8159 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8160 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8161 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8162 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8163 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8164 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8165 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8166 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8167 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8168 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8169 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8170 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8171 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8172 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8173 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8174 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8175 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8176 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8177 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8178 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8179 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8180 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8181 call_address_untyped_struct_value_sp32,
8182 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8183 call_value_symbolic_sp32, call_value_address_sp64,
8184 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8185 flush_register_windows, goto_handler_and_restore,
8186 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8187 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8188 return_addsi, return_di, return_adddi, return_sf, all call+jump
8189 peepholes, trap, unnamed trap insns): Prettify output strings.
8190 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8191 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8192 Likewise and force + implement splits for integer cases.
8193 (define_insn return_sf_no_fpu): Likewise and allow to match when
8194 no-fpu because of our subreg SFmode splits.
8195 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8196 zero_extendqidi2_insn, zero_extendhidi2_insn,
8197 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8198 input_operand for second operand.
8199 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8200 reg_or_0_operand for operand 2 so new splits can use it.
8201 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8202 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8204 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8205 CONST_DOUBLEs for operand 2.
8206 (define_insn move_label_di): Likewise and label distance
8207 optimization because it no longer works with new deferred case
8208 vector scheme. To be revisited.
8209 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8210 and allow reg_or_0_operand and J constraint for second operand.
8211 (define_insn jump): Set branch predict taken on V9.
8212 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8213 new deferred case vector scheme.
8214 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8215 (define_insn negdi2_sp32): Force + implement splits.
8216 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8217 one_cmplsi2_not_liveg0 respectively, and create expander of original
8218 names which emit special rtl for TARGET_LIVE_G0.
8219 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8220 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8221 gen_compare_reg, FAIL instead.
8222 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8223 values when trying to reverse condition codes, if they FAIL then
8225 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8226 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8227 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8228 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8229 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8230 set output string to # to indicate they are mandatory splits.
8231 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8232 pic_sethi_di, move_pic_label_si): Remove.
8233 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8234 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8236 (define_expand movsi_pic_label_ref, define_insn
8237 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8238 expander and insns to handle PIC label references and deferred
8240 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8242 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8243 Rewrite to not use emit_move_sequence, make use of new constant
8244 formation code, and new splits for all multi-insn cases.
8245 (define_insn movqi_insn): Remove sethi case, it can never happen.
8246 Use reg_or_zero_operand instead of const0_rtx explicit test,
8247 use input_operand instead of move_operand for source, and use
8248 general_operand now for dest.
8249 (define_insn movhi_insn): Similar but leave sethi case.
8250 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8251 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8252 movhi_lo_sum respectively, prettify output string.
8253 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8254 register when needed on TARGET_LIVE_G0.
8255 (define_insn movsi_insn): Use general_operand and input_operand
8256 for dest and src respectively. Simplify applicability test.
8257 Prettify output strings, and add clr alternative for J
8259 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8260 deprecated std and reg-reg DI moves): Remove and...
8261 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8262 implementation which uses forced splits for all non-single insn
8264 (define_split DI move cases on !arch64): New splits to handle all
8265 situations of 64-bit double register DImode on 32bit, and
8266 unaligned registers and memory addresses for all subtargets.
8267 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8269 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8270 input_operand for dest and src respectively, prettify output
8272 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8273 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8275 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8276 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8277 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8278 movtf_no_e_insn_sp64) Replace with new
8279 implementation which uses forced splits for all non-single insn
8281 (define_split DF move cases): New splits in similar vein to DI
8283 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8284 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8285 movdi_sp64_insn): Remove old v9 code model and constant loading
8287 (define_insn pic_lo_sum_di, pic_sethi_di,
8288 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8289 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8290 embmedany_sethi, embmedany_losum, embmedany_brsum,
8291 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8292 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8293 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8294 scheme, using unspecs, secondary reloads, and one to one sparc
8295 insn to rtl insn mapping for better scheduling and code gen.
8296 (define_expand reload_indi, reload_outdi): Reload helpers for
8297 MEDANY and EMBMEDANY symbol address loading cases which require a
8299 (define_expand movsicc): Remove v8plus_regcmp cases.
8300 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8301 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8302 cmp_diqi_trunc_set): New patterns used by some of the new scc
8304 (define_insn xordi3_sp64_dbl): New pattern used for constant
8305 formation when crossing from 32-bit targets.
8306 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8308 (define_insn addx, subx): Make visible and prettify.
8309 (define_insn adddi3_insn_sp32): Likewise and force split.
8310 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8311 64bit scc split usage.
8312 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8313 zero_extend, subdi3): Force and implement splits.
8315 * final.c (final_scan_insn): Don't output labels if target
8316 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8319 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8320 don't forget to walk inside SEQUENCESs too as these are what the
8321 delay slot scheduler will create.
8323 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8325 * alpha.md (extxl+1,+2): New patterns to work around
8328 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8330 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8331 caused bad assembly code to be generated.
8333 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8335 * netbsd.h: Fix typo.
8337 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8339 * config.sub: Fix typo.
8341 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8343 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8345 (Running Protoize): Typo: Change "ther" into "other".
8347 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8349 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8350 * m68k/netbsd.h: Likewise.
8351 * ns32k/netbsd.h: Likewise.
8352 * sparc/netbsd.h: Likewise.
8354 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8356 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8357 * ginclude/va-clipper.h (va_list): Likewise.
8359 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8361 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8362 load/store multiple instructions unless user overrides.
8364 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8366 * ns32k/netbsd.h: Fix typo.
8368 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8370 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8371 labels with .debugsym if no parallel insns.
8373 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8375 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8376 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8378 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8380 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8381 (AR_FOR_TARGET): Define.
8383 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8385 * dyn-string.h: New file.
8386 * dyn-string.c: Likewise.
8387 * Makefile.in (OBJS): Add dyn-string.o.
8388 (dwarf2out.o): Add dyn-string.h dependency.
8389 (dyn-string.o): List dependencies.
8390 * dwarf2out.c: Include dyn-string.h.
8391 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8392 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8393 prototype. Use dyn_string_append rather than strcat, throughout.
8394 (addr_to_string): Use dyn_string_t.
8396 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8398 Function entry/exit profiling instrumentation:
8399 * expr.h (profile_function_entry_libfunc,
8400 profile_function_exit_libfunc): Declare new variables.
8401 * optabs.c: Define them here.
8402 (init_optabs): Initialize them.
8403 * tree.h (struct tree_decl): New flag
8404 no_instrument_function_entry_exit.
8405 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8406 * c-decl.c (duplicate_decls): Merge it.
8407 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8408 (init_attributes): Use it for "no_instrument_function".
8409 (decl_attributes): Handle it, for functions that have not yet been
8410 compiled. Set decl flag.
8411 * flags.h (flag_instrument_function_entry_exit): Declare new
8413 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8414 (f_options): New option "instrument-functions".
8415 * function.h (struct function): New field instrument_entry_exit.
8416 * function.c (current_function_instrument_entry_exit): New
8418 (push_function_context_to, pop_function_context_from): Save and
8420 (expand_function_start): Set current_ variable, maybe emit return
8421 label and entry profile call.
8422 (expand_function_end): Maybe emit exit profile call.
8424 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8426 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8427 NON_QI_REG_P, pretend the register is SImode.
8429 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8431 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8432 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8433 manufacturer id for ns32k.
8434 * configure: Regenerated.
8435 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8436 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8437 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8438 * config/m68k/netbsd.h: Same.
8439 * config/ns32k/netbsd.h: Same.
8440 * config/sparc/netbsd.h: Same.
8442 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8444 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8445 or UNROLL_COMPLETELY loop that starts with a jump to its
8448 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8450 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8451 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8452 (print_operand, case 'B'): Don't fall through.
8453 (print_operand, case 'S'): Correct mask begin/end computation.
8454 Use HOST_BITS_PER_WIDE_INT.
8455 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8456 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8457 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8458 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8460 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8462 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8463 constraint from second alternative.
8465 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8467 * configure.in: Fix --without/--disable cases for local-prefix,
8468 gxx-include-dir and checking.
8470 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8472 * configure.in (enable_haifa): Set by default for sparc64 too.
8475 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8477 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8478 * i386/winnt.c (associated_type): New fn.
8479 (i386_pe_valid_type_attribute_p): New fn.
8480 (i386_pe_check_vtable_importexport): Remove.
8481 (i386_pe_dllexport_p): Use associated_type.
8482 (i386_pe_dllimport_p): Likewise.
8484 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8485 * i386.c (i386_valid_type_attribute_p): Also accept
8486 attributes for METHOD_TYPEs.
8488 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8490 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8492 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8494 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8496 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8497 them from generating a new base name for each occurence of
8500 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8502 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8504 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8508 * cplus-dem.c (type_kind_t): New type.
8509 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8510 on this paramter, rather than demangling the type again.
8511 (demangle_integral_value): Pass tk_integral.
8512 (demangle_template_: Pass the value returned from do_type.
8513 (do_type): Return a type_kind_t. Pass tk_integral to
8514 demangle_template_value_parm for array bounds.
8515 (demangle_fund_type): Likewise.
8517 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8519 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8522 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8524 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8526 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8528 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8530 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8533 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8535 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8536 (DEBUGGER_ARG_OFFSET): Likewise.
8538 * mn10300.md (movsf): Remove last change. Not needed.
8540 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8542 * c-lex.c (yylex): Fix boundary conditions in character literal and
8543 string literal loops.
8545 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8547 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8548 being invoked incorrectly.
8550 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8551 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8553 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8554 * configure.in: Added i[34567]86-*-win32
8555 * config.sub: Ditto.
8556 * configure: Rebuilt.
8558 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8560 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8561 the frame pointer and compiling PIC code and reload has not completed.
8563 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8566 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8568 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8570 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8572 * Makefile.in (install-info): Only try to update the info
8573 directory file if it exists in the first place.
8575 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8577 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8579 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8581 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8582 CONST_DOUBLE source.
8584 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8586 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8587 strings as the insertion of USER_LABEL_PREFIX.
8588 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8590 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8593 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8595 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8596 already defined type.
8598 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8600 * expr.c (check_max_integer_computation_mode): Allow conversions
8601 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8602 (expand_expr): Likewise.
8604 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8606 * expr.c (expand_expr): Expand RETURN_EXPR.
8608 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8610 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8612 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8614 * dwarf2out.c (output_aranges): Call stripattributes
8615 for TEXT_SECTION references.
8616 (output_line_info): Likewise.
8618 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8620 * profile.c (branch_prob): Call allocate_reg_info after outputting
8621 profile rtl in instrument_arcs.
8623 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8625 * fixinc.irix (math.h): Install wrapper instead of copying.
8627 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8629 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8630 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8631 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8632 lang_flag_0. Added documentation in the flag table.
8634 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8636 * cccp.c (do_include): Fix vax c style include handling.
8638 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8640 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8642 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8644 * fold-const.c (non_lvalue): Don't deal with null pointer
8646 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8648 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8650 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8651 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8652 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8653 (u_short_cint_operand): Same.
8654 (reg_or_cint_operand): Same.
8655 (logical_operand): Same.
8656 (input_operand): Same.
8657 (reg_or_short_operand): Use u_short_cint_operand.
8659 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8661 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8662 but keep the insns and splits. Adjust so when the ultimate destination
8663 is memory, use cvtql.
8665 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8667 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8669 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8671 * gcc.c (do_spec): Call "error" not "warning".
8673 * configure.in: Fix minor problems with gas feature detection code.
8674 * configure: Rebuilt.
8676 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8679 * gcc.c: Delete %[spec] support.
8680 (do_spec_1, case '('): Likewise.
8681 (do_spec_1, case '['): Call error.
8683 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8685 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8686 (CPP_SUBTARGET_SPEC): Default to empty string.
8687 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8688 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8689 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8690 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8692 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8693 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8694 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8695 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8696 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8697 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8698 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8699 * alpha/vxworks.h: Likewise.
8701 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8703 * mips.md (reload_outsi): Added missing REGNO call.
8704 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8706 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8707 another match_operator and compare the codes.
8709 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8711 * MIPS multiply pattern fixes:
8712 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8713 Add union classes for HI, LO, or HILO plus general registers.
8714 (GENERATE_MADD): Deleted.
8715 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8716 Add TARGET_MAD to condition.
8717 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8718 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8719 "*d" for accumulator, to give preference to LO initially but not
8722 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8724 * configure.in (enable_c_mbchar): New configure option.
8725 (extra_cpp_objs): Always available now.
8727 * cexp.y (mbchar.h): #include it.
8728 (yylex): Handle Multibyte characters in character literals.
8730 * cccp.c (mbchar.h): #include it.
8731 (main): Set character set based on LANG environment variable.
8732 (rescan): Handle multibyte characters in comments.
8733 (skip_if_group): See above.
8734 (validate_else): See above.
8735 (skip_to_end_of_comment): See above.
8736 (macarg1): See above.
8737 (discard_comments): See above.
8738 (rescan): Handle multibyte characters in string and character literals.
8739 (collect_expansion): See above.
8740 (skip_quoted_string): See above.
8741 (macroexpand): See above.
8742 (macarg1): See above.
8743 (discard_comments): See above.
8744 (change_newlines): See above.
8746 * c-lex.c (mbchar.h): #include it.
8747 (GET_ENVIRONMENT): New macro.
8748 (init_lex): Set character set based on LANG environment variable.
8749 (yylex): Handle multibyte characters in character literals.
8750 (yylex): Handle multibyte characters in string literals.
8752 * Makefile.in (mbchar.o): New target.
8753 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8754 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8756 * mbchar.[ch]: New files for multibyte character handling.
8758 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8760 * jump.c (jump_optimize): When simplifying noop moves and
8761 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8762 the PUSHes to rewrite in second loop as we did in the first.
8764 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8766 * cplus-dem.c (demangle_nested_args): Make function definition
8767 static to match the prototype.
8769 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8771 * alloca.c: Respect USE_C_ALLOCA.
8772 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8773 * gengenrtl.c (xmalloc): Likewise.
8775 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8777 * loop.h (struct induction): Add no_const_addval.
8778 * loop.c (the_movables, reg_address_cost): New variables.
8779 (init_loop): Init reg_address_cost.
8780 (loop_optimize): Call end_alias_analysis.
8781 (scan_loop): Init the_movables.
8782 (record_giv): Init induction->no_const_addval.
8783 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8784 [REG]: Rearrange loop search test to catch more cases.
8785 (general_induction_var): Return success not benefit; take an extra
8786 argument for that. Change all callers.
8787 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8788 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8789 [default]: Search the_movables for additional combinations.
8790 (sge_plus_constant, sge_plus): New functions.
8791 (express_from_1): New function.
8792 (express_from): Always define. Rewrite using express_from_1.
8793 (combine_givs_p): Handle more cases. Ignore address cost.
8794 (cmp_combine_givs_stats): New function.
8795 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8796 (combine_givs): Rewrite to do best-fit combination.
8798 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8799 (fold): Do a complete (A*C)+(B*C) association check.
8801 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8803 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8805 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8807 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8809 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8811 * tree.c (valid_machine_attribute): Only create a new type variant if
8812 there is a decl to use it.
8814 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8816 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8819 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8821 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8824 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8826 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8827 Simplify tests for clearing an address register.
8828 (expand_prologue): Corresponding changes.
8830 * mn10300.md (movXX patterns): Make sure the destination is an
8831 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8832 (logical patterns): Split into expanders + patterns
8833 (zero and sign extension patterns): Similarly.
8834 (shift patterns): Similarly.
8836 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8838 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8839 for the sequence, recording base values.
8841 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8843 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8845 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8847 * gcc.c: Remove ANSI-C ism from --help code.
8849 * toplev.c: Support --help with USE_CPPLIB.
8851 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8853 * configure.in: Rework gas feature code to work with symlink based
8856 * extend.texi: Clarify some issues related to local variables
8857 assigned to explicit registers.
8859 * mn10300.md (mulsi): Turn into expander + pattern.
8861 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8864 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8866 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8868 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8870 * version.c: Bump again to distinguish mainline tree from the
8873 See ChangeLog.0 for earlier changes.
8876 add-log-time-format: current-time-string