1 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * gcc.c (read_specs): Ensure format specifiers match their arguments.
5 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
7 * tree.c (copy_node): Oops. That would be copy not zero
10 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12 * config/c4x/c4x.c: Include system.h.
13 (c4x_caller_save_map): Disable caller save for RC.
14 (c4x_optimization_options): Disable scheduling before reload.
15 (valid_parallel_load_store) : Define return type as int.
16 Remove unused variable regs.
17 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
19 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
21 (*db, decrement_and_branch_until_zero): Fix up constraints
24 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
26 * tree.c (make_node): Call bzero instead of inline clear.
27 (copy_node, make_tree_vec, build1): Likewise.
28 (get_identifier): Call strlen instead of inline count.
29 (maybe_get_identifier): Likewise.
31 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
33 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
34 operations in 3rd annulled delay slot.
35 (*lshrqi3_const_set): Disallow c constraint for operand0.
36 (modhi3+1, modhi3+2): Set attribute type to multi.
37 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
40 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
42 * gansidecl.h: Allow attribute unused on labels only when we are
43 version 2.93 or higher. Not all versions of 2.92 have this feature.
45 * version.c: Bump minor number to 93.
47 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
49 * config/m68k/m68k.h: Declare output_function_epilogue.
50 * recog.h: Declare next_insn_tests_no_inequality.
52 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
54 * stmt.c (optimize_tail_recursion): New function, extracted from ...
55 (expand_return): Use optimize_tail_recursion.
56 * tree.h (optimize_tail_recursion): Declare.
58 * toplev.c (compile_file): Move call to output_func_start_profiler
59 to after the loop to emit deferred functions.
61 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
63 * system.h (abort): Supply more detailed information on how to
64 report an Internal Compiler Error.
66 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
68 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
69 allocate memory that will live beyond this function.
70 (expand_call): Free it here.
72 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
74 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
75 integer data not destined for fp regs.
76 (LEGITIMIZE_RELOAD_ADDRESS): New.
78 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
79 Richard Henderson <rth@cygnus.com>
81 Support for Hypersparc and Sparclite86x:
82 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
83 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
84 (ASM_CPU32_DEFAULT_SPEC): Likewise.
85 (TARGET_CPU_DEFAULT): Likewise.
86 (enum processor_type): Likewise.
87 (CPP_ENDIAN_SPEC): Handle little endian data.
88 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
89 (ADJUST_COST): Call sparc_adjust_cost.
90 * sparc.c (sparc_override_options): Fix up for the new targets.
91 (supersparc_adjust_cost): Make static.
92 (hypersparc_adjust_cost): New.
93 (ultrasparc_adjust_cost): Make static.
94 (sparc_adjust_cost): New.
95 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
96 (function_unit): Add hypersparc scheduling rules.
98 * configure.in (with_cpu handler): Recognize hypersparc.
100 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
102 * config/c4x/c4x.c: Added space after negation operator.
103 * config/c4x/c4x.h: Likewise.
104 * config/c4x/c4x.md: Likewise.
106 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
108 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
110 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
112 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
113 when a test can't be performed due to limited width of
114 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
115 Fix UDIV case for cases where the first operand has the highest bit
118 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
120 * pa.h (reg_class): Add FPUPPER_REGS.
121 (REG_CLASS_NAMES): Similarly.
122 (REG_CLASS_CONTENTS): Similarly
123 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
124 (FP_REG_CLASS_P): Likewise.
125 (REG_CLASS_FROM_LETTER): Similarly.
126 (CLASS_MAX_NREGS): Similarly.
128 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
130 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
131 for a typedef of bool. Make sure to have a copy of the file is
132 in place before we look to fix it. Fix typo in variable name to
135 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
137 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
138 value_mode for the return mode.
140 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
142 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
143 debugging as default.
145 * config/tm-dwarf2.h: New file.
147 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
149 * h8300.h (ASM_OUTPUT_LABELREF): Define.
151 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
152 * local-alloc.c (update_equiv_regs): Corresponding changes.
153 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
155 * calls.c (special_function_p): Push alloca test inside the large
156 conditional which excludes functions not at file scope or not
159 * calls.c (special_function_p): New function broken out of
161 (precompute_register_parameters): Likewise.
162 (store_one_arg): Likewise.
163 (store_unaligned_argumetns_into_pseudos): Likewise.
164 (save_fixed_argument_area): Likewise.
165 (restore_fixed_argument_area): Likewise.
166 (expand_call): Corresponding changes.
168 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
170 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
172 (const_sint32_operand): Likewise.
174 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
177 is a macro when deciding if we can use `jmp_buf' in prototypes.
179 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
181 * config/c4x/c4x.md (addqi3): If the destination operand is
182 a hard register other than an extended precision register,
183 emit addqi3_noclobber.
184 (*addqi3_noclobber_reload): New pattern added so that reload
185 will recognise a store of a pseudo, equivalent to the sum
186 of the frame pointer and a constant, as an add insn.
188 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
190 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
191 * configure: Rebuilt.
192 * i386/xm-go32.h: Define LIBSTDCXX.
194 * i386/go32.h (MD_EXEC_PREFIX): Define.
195 (FILE_NAME_ABSOLUTE_P): Define.
196 (LINK_COMMAND_SPEC): Define.
198 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
200 * expr.c (store_expr): If the lhs is a memory location pointed
201 to be a postincremented (or postdecremented) pointer, always
202 force the rhs to be evaluated into a pseudo.
204 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
206 * real.c (mtherr): Print more reasonable warning messages.
208 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
210 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
212 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
213 (new_include_prefix): Constify char* parameters.
215 * cppfiles.c (read_name_map): Likewise.
216 (append_include_chain): Likewise. Also, use a writable char* copy
217 of parameter `dir' which we then modify, rather than using the
218 parameter itself to store the new writable string.
219 (remap_filename): Constify some variables. Also, use a writable
220 char* to store an allocated string which we will be modifying.
222 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
223 (cpp_start_read): Constify variable `str'.
225 * cpplib.h (append_include_chain): Constify a char* parameter.
227 * gcc.c Include prefix.h, don't prototype prefix.c functions.
228 (add_prefix, save_string): Constify char* parameters.
229 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
231 * prefix.c: Include prefix.h.
232 (get_key_value, translate_name, save_string, update_path,
233 set_std_prefix): Constify various char* parameters and variables.
234 (save_string): Use xmalloc, not malloc.
235 (translate_name): Use a writable temporary variable to create and
236 modify a string before setting it to a const char*.
238 * prefix.h: New file to prototype functions exported from prefix.c.
240 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
242 * cpplib.c (skip_if_group): Split out the logic that handles
243 directive recognition to its own function. Don't use
244 parse markers; use a bare pointer into the buffer. Use
245 copy/skip_rest_of_line instead of doing it by hand. Remove
246 `return on any directive' mode which was never used, and take
248 (consider_directive_while_skipping): New function, subroutine
249 of skip_if_group. Logic streamlined a bit.
250 (conditional_skip, do_elif, do_else): Call skip_if_group with
253 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
255 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
258 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
260 * extend.texi (Bound member functions): Document.
262 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
264 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
265 lang_to_string, type_to_string): Make return type const char*.
266 (print_symbol): Apply `const' keyword to a char*.
267 (print_file_desc): Cast structure member `crfd' to ulong when
268 comparing against one.
270 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
271 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
272 (progname, input_name): Apply `const' keyword to a char*.
273 Don't redundantly include sys/stat.h.
274 (alloc_info): Apply `const' keyword to a char*.
275 (st_to_string, sc_to_string): Likewise.
276 (hash_string): Cast variable `hash_string' to a symint_t when
277 comparing against one.
278 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
279 Likewise cast it to long when comparing against one.
280 (add_local_symbol): Apply `const' keyword to a char*.
281 (add_ext_symbol): Likewise.
282 (add_unknown_tag): Likewise.
283 (add_procedure): Cast a printf-style field width to an int.
284 (add_file): Cast PAGE_USIZE to long when comparing against one
285 (parse_begin): Cast a printf-style field width to an int.
286 (parse_bend): Likewise.
287 (parse_def): Likewise.
288 (parse_end): Likewise.
289 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
290 (parse_stabs_common): Fix format specifier.
291 (parse_input): Change type of variable `i' to Size_t.
292 (write_object): Fix arguments to match format specifiers.
293 Cast variable `num_write' to long when comparing against one.
294 (read_seek): Cast variable `sys_read' to symint_t when comparing
295 against one. Fix arguments to match format specifiers. Cast
296 variable `size' to long when comparing against one.
297 (copy_object): Cast result of `sizeof' to int when comparing
298 against one. Fix arguments to match format specifiers. Cast
299 variable `ifd' to long when comparing against a signed value.
302 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
304 * c-common.c (decl_attributes): Allow applying attribute `unused'
307 * c-parse.in (label): Parse attributes after a label, and call
308 `decl_attributes' to handle them.
310 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
312 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
313 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
315 * invoke.texi: Note that labels can be marked `unused'.
317 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
319 * version.c: Bump for snapshot.
321 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
323 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
324 RTL for a compare/jump sequence.
326 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
328 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
329 for a target with HAVE_cc0 defined.
330 (emit_cmp_and_jump_insns): New function.
331 * expr.h (emit_cmp_and_jump_insns): Prototype it.
332 * loop.c (check_dbra_loop): Use it to replace calls
333 to emit_cmp_insn and emit_jump_insn and to canonicalise
334 the comparison if necessary.
335 * unroll.c (unroll_loop): Likewise.
337 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
339 * fixincludes (sys/utsname.h): Provide forward declaration of
340 struct utsname on Ultrix V4.[35].
342 * mips.md (div_trap): Use local labels instead of dot-relative
345 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
347 * pa.md (branch, negated branch): Handle (const_int 0) as first
349 * pa.c (output_cbranch): Likewise.
351 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
353 * rs6000.c (rs6000_stack_info): Undo spurious part of last
356 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
358 * extend.texi (__builtin_constant_p): Add missing @smallexample.
360 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
362 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
364 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
366 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
367 (adddi_dishl32): Similarly.
369 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
370 for each insn in the skipped block.
372 * reload1.c (reload_as_needed): Verify that the insn satisfies its
373 constraints after replacing a register address with an autoincrement
374 address for reload inheritance purposes.
376 * i386.md (doubleword shifts): Avoid namespace pollution.
378 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
380 * configure.in (FreeBSD ELF): Needs special crt files.
382 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
384 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
386 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
388 * loop.c (check_dbra_loop): While reversing the loop, if the
389 comparison value has a VOID mode use the mode of the other operand
392 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
394 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
395 avoid warnings in compiling explow.c.
397 (patch from Ken Raeburn, raeburn@cygnus.com)
398 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
399 fpmem_offset. Compute total size after that, and then
400 rs6000_fpmem_offset using both values.
402 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
404 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
405 the future; indeed that already happens in some cases.
407 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
409 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
410 (arith_operand): Remove constant_p_rtx handling.
411 (const64_operand, const64_high_operand): Likewise.
412 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
413 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
414 (small_int_or_double, uns_small_int, zero_operand): Likewise.
415 * sparc.h (PREDICATE_CODES): Likewise.
417 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
419 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
421 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
422 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
423 consider constant CONSTRUCTOR constant and to defer some cases
425 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
426 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
428 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
430 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
431 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
433 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
434 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
435 (sext_add_operand, and_operand, or_operand): Likewise.
436 (reg_or_cint_operand, some_operand, input_operand): Likewise.
437 * alpha.h (PREDICATE_CODES): Likewise.
439 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
441 * version.c: Bump for snapshot.
443 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
445 * gengenrtl.c (gencode): Always use bzero to clear memory instead
446 of dangerous casts and stores.
448 * Makefile.in (compare, gnucompare): Add missing else true clauses.
450 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
452 * alpha.md (builtin_longjmp): Add missing "DONE".
454 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
456 * gcc.c (execute): Enable -pipe with win32.
458 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
460 * config/arm/t-arm-elf: Add multiplib option for leading
463 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
464 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
466 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
467 than variable 'reload_address_base_reg_class'. [Note this
468 change is unrelated to the others in this patch].
470 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
473 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
475 * alias.c (record_alias_subset): Remove ignored `&'.
476 (init_alias_once): Likewise.
478 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
480 * config/mips/mips.c (mips_asm_file_end): Cast the result of
481 fwrite to `int' when comparing against one.
483 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
484 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
486 * cse.c (rehash_using_reg): Change type of variable `i' to
489 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
492 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
494 * final.c (final_scan_insn): Likewise for variable `i'.
495 (output_asm_insn): Cast a char to unsigned char when used as an
498 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
501 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
503 * recog.c (preprocess_constraints): Cast a char to unsigned char
504 when used as an array index.
506 * regmove.c (find_matches): Likewise.
508 * reload1.c (calculate_needs): Add default case in switch.
509 (eliminate_regs_in_insn): Initialize variable `offset'.
510 (set_offsets_for_label): Change type of variable `i' to unsigned.
511 (reload_as_needed): Wrap variable `i' in macro check on
512 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
514 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
515 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
516 when comparing against one.
518 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
519 unsigned when comparing against one. Likewise for
520 GET_MODE_ALIGNMENT().
521 (layout_record): Cast record_align to int when comparing against a
523 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
526 * tree.c (get_identifier): Cast variable `len' to unsigned when
527 comparing against one.
528 (maybe_get_identifier): Likewise
530 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
532 * toplev.c (rest_of_compilation): Do not set reload_completed.
533 * reload1.c (reload): Set reload_completed before calling
534 cleanup_subreg_operands.
536 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
538 * reload1.c (emit_reload_insns): Check `set' not null before use.
540 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
542 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
545 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
547 * halfpic.c (half_pic_encode): Delete redundant code.
549 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
551 * toplev.c (main): Delete handling of -dM as a preprocessor
554 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
556 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
557 -dI, which are handled by the preprocessor.
559 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
561 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
562 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
564 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
566 * version.c: Bump for snapshot.
568 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
570 * version.c: Bump for snapshot.
572 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
574 * version.c: Bump for snapshot.
576 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
578 * genattr.c (fatal): Qualify a char* with the `const' keyword.
580 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
581 write_unit_name, write_eligible_delay, expand_units,
582 make_length_attrs, write_attr_case, find_attr,
583 make_internal_attr): Likewise.
584 * gencheck.c (tree_codes): Likewise.
585 * gencodes.c (fatal): Likewise.
586 * genconfig.c (fatal): Likewise.
587 * genemit.c (fatal): Likewise.
588 * genextract.c (fatal, walk_rtx, copystr): Likewise.
589 * genflags.c (fatal): Likewise.
590 * genopinit.c (fatal, optabs, gen_insn): Likewise.
591 * genoutput.c (fatal, error, predicates): Likewise.
592 * genpeep.c (fatal): Likewise.
593 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
594 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
596 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
598 * configure.in (with-fast-fixincludes): Fix whitespace.
599 * configure: Rebuilt.
601 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
602 asm() etc. function declarations in __DECC.
604 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
606 * expr.c (emit_move_insn_1): Only emit a clobber if the target
607 is a pseudo register.
609 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
611 * gcse.c: Include expr.h in order to get the prototype for
612 get_condition() which is used in delete_null_pointer_checks().
614 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
616 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
618 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
620 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
621 (ALL_CFLAGS): Delete SCHED_CFLAGS.
623 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
625 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
628 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
630 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
631 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
632 optimizations from the combiner.
634 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
636 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
638 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
640 * toplev.c (main): Disable optimize_size if a specific
641 optimization level is requested. Always set optimization
642 level to 2 if -Os is specified.
644 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
646 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
648 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
649 initialize it using fname.
651 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
653 * cpplib.c (do_include): Treat #include_next in the
654 primary source file as #include plus warning. Treat
655 #include_next in a file included by absolute path as an
656 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
658 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
660 * cccp.c: Don't define MIN/MAX anymore.
661 * cpplib.c: Likewise.
662 * machmode.h: Likewise.
663 * system.h: Provide definitions for MIN/MAX.
665 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
667 * fix-header.c: Don't define xstrdup here.
669 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
671 * loop.c (consec_sets_giv): New argument last_consec_insn.
672 (strength_reduce): Provide / use it.
674 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
676 * loop.h (loop_info): New field 'vtop'.
677 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
678 scanning loop for vtop.
679 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
680 (loop_iterations): Use them to determine if loop has a constant
681 number of iterations. Set loop_info->vtop. Don't subtract
682 common reg term from initial_value and final_value if have a
685 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
687 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
689 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
691 * mn10200.md (abssf2, negsf2): New expanders.
693 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
695 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
697 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
698 replaced by a CONCAT whoes components do not have the same
699 mode as the original SUBREG, use a new SUBREG to restore the
702 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
703 multiword complex values.
705 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
707 * cppalloc.c: Add xstrdup here.
708 * cpplib.h: Remove savestring prototype.
709 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
711 * cppfiles.c: s/savestring/xstrdup/ throughout.
713 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
715 * cpplib.c: Make all directive handlers read their own
717 (struct directive): Remove last two arguments from FUNC
718 member prototype. Remove `command_reads_line' member
720 (directive_table): Remove initializations of
721 command_reads_line flag. Pretty-print.
722 (eval_if_expression, do_define, do_line, do_include,
723 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
724 do_else, do_elif, do_sccs, do_assert, do_unassert,
725 do_warning): Take only two args.
727 (cpp_define): Call do_define with two args and the text to
728 define stuffed into a buffer.
729 (make_assertion): Call do_assert with two args.
730 (handle_directive): Call do_line with two args. Call
731 kt->func with two args. Remove command_reads_line
733 (do_define, do_undef, do_error, do_warning, do_pragma,
734 do_sccs): Read the rest of the line here.
735 (do_ident): Gobble rest of line, as cccp does.
736 (cpp_undef): New function.
737 (cpp_start_read): Call cpp_undef instead of do_undef.
739 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
741 * cpphash.h (union hash_value): Remove `keydef' member, add a
742 `struct hashnode *aschain' member for #assert.
744 * cpplib.c (struct tokenlist_list, struct
745 assertion_hashnode): Delete structure definitions.
746 (assertion_install, assertion_lookup, delete_assertion,
747 check_assertion, compare_token_lists, reverse_token_list,
748 read_token_list, free_token_list): Delete functions.
749 (parse_assertion): New function.
750 (cpp_cleanup): Don't destroy the assertion_hashtable.
752 (do_assert): Gut and rewrite. #assert foo (bar) places
753 entries for `#foo' and `#foo(bar)' in the macro hash table,
754 type T_ASSERT. The value union's `aschain' member is used
755 to chain all answers for a given predicate together.
756 (do_unassert): Also rewritten. Take an un-asserted
757 answer off the chain from its predicate and call
758 delete_macro on the hashnode, or walk a predicate chain
759 calling delete_macro on all the entries.
760 (cpp_read_check_assertion): Simply call parse_assertion to
761 get the canonical assertion name, and look that up in the
764 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
767 * cpphash.c (install): Use bcopy instead of an explicit loop
768 to copy the macro name.
770 * cppexp.c (cpp_lex): Convert the result of
771 cpp_read_check_assertion to a `struct operation' directly;
772 don't go through parse_number.
774 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
776 * loop.h (struct induction): Delete times_used member.
777 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
778 (n_times_used): Rename to n_times_set. Changed all users.
779 (scan_loop): Free reg_single_usage before strength reduction.
780 (record_giv, combine_givs): Remove handling of times_used member.
781 (combine_givs_used_once): Rename to:
782 (combine_givs_used_by_other) . Changed all callers.
784 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
786 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
787 instead of TREE_CODE_CLASS == 't'.
788 (gen_type_die): Likewise.
789 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
791 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
793 * real.c (endian): Disable last change unless
794 HOST_BITS_PER_WIDE_INT is greater than 32.
796 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
798 * output.h (force_data_section): New prototype.
799 * varasm.c (force_data_section): New function to force the
800 data section, regardless of what in_section thinks.
801 * dwarf2out.c (output_call_frame_info): Call force_data_section
802 since varasm may not realize we've changes sections.
804 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
806 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
807 after completeing reload.
809 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
810 deleted after reload.
812 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
814 * rtl.h (multiple_sets): Fix prototype.
815 * rtlanal.c (multiple_sets): Fix return type.
817 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
819 * version.c: Bump for snapshot.
821 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
823 * version.c: Bump for snapshot.
825 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
827 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
829 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
831 * rtl.h (recompute_reg_usage): Add second argument.
832 * flow.c (recompute_reg_usage): Likewise.
833 * toplev.c (rest_of_compilation): Supply second argument to
836 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
839 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
841 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
842 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
843 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
846 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
848 * rtlanal.c (multiple_sets): New function.
849 * rtl.h (multiple_sets): Declare it.
850 * local-alloc.c (wipe_dead_reg): Use it.
851 * global.c (global_conflicts): Likewise.
853 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
855 * global.c (record_conflicts): Don't use an array of shorts to
856 store an array of ints.
857 (global_conflicts): Likewise.
859 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
861 * alpha.c (alpha_expand_block_move): mode_for_size expects
862 bits, not bytes. Infer extra alignment from addressof.
864 1998-12-11 Michael Meissner <meissner@cygnus.com>
866 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
867 .sbss section, not .sdata.
869 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
871 * cccp.c: Do not #include <sys/stat.h> here; this is already done
873 * collect2.c: Likewise.
874 * cpplib.h: Likewise.
877 * getpwd.c: Likewise.
878 * protoize.c: Likewise.
879 * toplev.c: Likewise.
881 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
882 and don't try to define it here.
883 * Makefile.in (cppmain.o): Depend on machmode.h.
884 (cpplib.o): Likewise.
885 (cpperror.o): Likewise.
886 (cppexp.o): Likewise.
887 (cppfiles.o): Likewise.
888 (cpphash.o): Likewise.
889 (cppalloc.o): Likewise.
890 (fix-header.o): Likewise.
891 (scan-decls.o): Likewise.
893 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
895 * sh.c (print_operand): lookup interrupt_handler attribute instead
896 of relying on static variable.
897 * (calc_live_regs): Likewise.
898 * (sh_pragma_insert_attributes): Create interrupt_handler
899 attribute if a pragma was specified
900 * (sh_valid_machine_decl_attribute): Don't set static flag.
901 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
903 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
905 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
906 to determine if a register is live at a jump destination.
907 Everything is dead at a BARRIER.
909 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
911 * cse.c (simplify_unary_operation): Sign-extend constants when
912 they have the most significant bit set for the target.
913 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
915 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
916 HOST_WIDE_INT temporary before negating it.
917 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
919 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
921 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
924 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
926 * collect2.h: New header file for prototypes.
928 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
930 * collect2.c: Include collect2.h.
933 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
935 * flow.c: Update some comments.
937 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
939 * objc/objc-act.c (cpp_initialized): Removed.
940 (lang_init_options): Initialize cpplib.
941 (lang_decode_option): Move initialization of cpplib to
943 * c-lang.c: (parse_options,parse_in): Added.
944 (lang_init_options): Initialized cpplib here.
945 * c-decl.c (parse_options,cpp_initialized): Removed.
946 (c_decode_option): Move initialization of cpplib to
949 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
951 * reload1.c (reload_combine, reload_combine_note_store):
952 Make STORE_RUID always valid.
953 (reload_combine): Check if BASE is clobbered too early.
955 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
957 * reload.c (find_reloads): Display the insn that cannot be
960 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
962 * cccp.c (create_definition): Fix end of bufer logic.
964 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
966 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
967 pointer parameters changed to use the PARAMS() macro.
969 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
971 * except.h (struct handler_info): Add handler_number field.
972 * except.c (gen_exception_label): EH labels no longer need to be
973 on the permanent obstack.
974 (get_new_handler): Set the label number field.
975 (output_exception_table_entry): Regenerate handler label reference
976 from the label number field.
977 (init_eh): Remove a blank line.
978 * integrate.c (get_label_from_map): Labels no longer need to be
979 on the permanent obstack.
981 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
983 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
984 only when OUTER_CODE is SET.
986 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
988 * loop.c (strength_reduce): If scan_start points to the loop exit
989 test, be wary of subversive use of gotos inside expression statements.
990 Don't set maybe_multiple for a backward jump that does not
991 include the label under consideration into its range.
992 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
994 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
996 * explow.c (plus_constant_wide): Don't immediately return with
997 result of recursive call.
999 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1001 * eh-common.h (struct eh_context): Add table_index for rethrows.
1003 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1004 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1005 processed when inlined or unrolled (ie duplicated in some way).
1007 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1009 * expr.h (rethrow_libfunc): New library decl.
1011 * optabs.c (rethrow_libfunc): Initialize.
1013 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1014 (new_eh_region_entry): No longer exported from except.c.
1015 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1016 different prototype.
1017 (rethrow_symbol_map, rethrow_used): New exported functions.
1018 (eh_region_from_symbol): New exported function.
1020 * except.c (create_rethrow_ref): New function to create a single
1021 SYMBOL_REF for a rethrow region.
1022 (push_eh_entry): Initialize a rethrow ref.
1023 (func_eh_entry): Add a rethrow_label field.
1024 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1025 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1026 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1027 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1028 a region into an appropriate new symbol.
1029 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1030 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1031 (end_catch_handler): Emit a barrier for new-exceptions since
1032 control can never drop through the end of a catch block.
1033 (expand_end_all_catch): new-exceptions never fall through a catch
1035 (expand_rethrow): use __rethrow routine for new exceptions.
1036 (output_exception_table_entry): Generate rethrow labels, if needed.
1037 (output_exception_table): Generate start and end rethrow labels.
1038 (init_eh): Create rethrow symbols for beginning and end of table.
1039 (scan_region): Don't eliminate EH regions which are the targets of
1042 * flow.c (make_edges): Add different edges for rethrow calls,
1043 identified by having the REG_EH_RETHROW reg label.
1044 (delete_unreachable_blocks): Don't delete regions markers which are
1045 the target of a rethrow.
1047 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1048 allow save_for_inline_copying to call duplicate_eh_handlers.
1049 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1050 exposing internal details of exception regions.
1051 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1052 (expand_inline_function_eh_labelmap): New callback routine to
1053 allow expand_inline_function to call duplicate_eh_handlers.
1054 (expand_inline_function): Call duplicate_eh_handlers instead of
1055 exposing internal details of exception regions.
1056 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1059 * libgcc2.c (find_exception_handler): Generalize to enable it to
1060 pick up processing where it left off last time for a rethrow.
1061 (__unwinding_cleanup): New function. debug hook which is called before
1062 unwinding when __throw finds there is nothing but cleanups left.
1063 (throw_helper): Common parts of __throw extracted out for reuse.
1064 (__throw): Common parts moved to throw_helper.
1065 (__rethrow): New function for performing rethrows.
1067 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1069 * reload1.c (current_function_decl): Tweak declaration.
1071 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1073 * c-decl.c (flag_isoc9x): Default off.
1074 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1075 * cccp.c (print_help, main): Likewise.
1076 * gcc.c (default_compilers): Update for -std=gnu*.
1078 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1080 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1081 * demangle.h: Deleted.
1083 * reload1.c (current_function_decl): Declare.
1085 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1087 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1089 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1091 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1093 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1095 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1097 * configure: Rebuilt.
1098 * system.h: If the *_unlocked functions are available use them
1099 instead of the locked counterparts by defining macros.
1100 * config.in: Regenerated.
1102 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1104 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1105 wrong and should only be used for dump related things, not
1106 debugging information, instead main_input_filename should be used.
1107 Also, reuse output_file_directive if possible.
1108 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1109 * i386/isc.h (ASM_FILE_START): Likewise.
1110 * i386/win-nt.h (ASM_FILE_START): Likewise.
1111 * i386/sun386.h (ASM_FILE_START): Likewise.
1113 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1115 * configure.in (mips*-*-linux*): Handle big and little endian
1117 * configure: Rebuilt.
1119 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1121 * emit-rtl.c: Fix typo.
1123 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1125 * reload1.c (eliminate_regs): Don't do anything, if we're not
1128 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1130 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1132 * mips/mips.c (mips_select_section): Add comment.
1134 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1136 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1137 characters in file names in #line to be consistent with #include
1138 handling. We support escape prcessing in the # 1 "..." version of
1139 the command. See also support in cp/lex.c.
1140 (handle_directive): Likewise.
1141 (do_line): Likewise.
1143 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1145 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1146 so it'll work on non-ASCII platforms. Always consider $ an
1147 identifier character. Take no arguments.
1148 (cpp_reader_init): Call initialize_char_syntax with no
1150 (cpp_start_read): Don't call initialize_char_syntax again.
1151 Clear is_idchar['$'] and is_idstart['$'] if not
1152 opts->dollars_in_ident.
1154 * cpplib.h (struct cpp_reader): Replace void *data element by
1155 cpp_options *opts. Rearrange elements to make gdb printout
1156 less annoying (put buffer stack at end).
1157 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1159 * cppmain.c: s/data/opts/ when initializing cpp_reader
1161 * c-decl.c: Likewise.
1162 * objc/objc-act.c: Likewise.
1163 * fix-header.c: Likewise.
1165 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1167 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1168 with a struct file_name_list pointer.
1169 (struct cpp_reader): Add pointer to chain of `actual
1170 directory' include searchpath entries.
1171 (struct file_name_list): Add *alloc pointer for the sake of
1172 the actual-directory chain.
1174 Move definition of HOST_WIDE_INT here.
1175 (cpp_parse_escape): Change prototype to match changes in
1178 * cppfiles.c (actual_directory): New function.
1179 (finclude): Use it to initialize the buffer's actual_dir
1181 (find_include_file): We don't need to fix up max_include_len
1184 * cpplib.c (do_include): Don't allocate a file_name_list on
1185 the fly for current directory "" includes, use the one that's
1186 been preallocated in pfile->buffer->actual_dir. Hoist out
1187 duplicate code from the search_start selection logic.
1188 (cpp_reader_init): Initialize pfile->actual_dirs.
1190 Remove definition of HOST_WIDE_INT. Change calls
1191 to cpp_parse_escape to match changes in cppexp.c (note
1192 hardcoded MASK, which is safe since this is the source
1195 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1196 to handle wide character constants in #if directives. The
1197 function now returns a HOST_WIDE_INT, and takes a third
1198 argument which is a binary mask for all legal values (0x00ff
1199 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1200 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1201 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1203 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1205 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1207 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1209 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1210 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1211 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1213 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1215 * final.c (output_asm_name): Use tabs to seperate comments from
1218 Include instruction lengths (if defined) in output.
1220 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1222 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1223 in the loop_info structure.
1225 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1227 * configure.in: (arm*-*-ecos-elf): New target.
1228 * configure: Regenerated.
1229 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1230 * config/arm/ecos-elf.h: New file.
1231 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1234 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1236 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1238 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1240 * version.c: Bump for snapshot.
1242 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1244 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1247 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1249 * version.c: Bump for snapshot.
1251 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1253 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1254 compressed reports are ok and preferred over URLs
1256 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1258 * invoke.texi (Warning Options): Soften the tone of -pedantic
1260 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1262 * print-rtl.c (print_rtx): Add prototype.
1264 * unroll.c (iteration_info): Make it static.
1266 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1268 * alias.c (memrefs_conflict_p): A second ANDed address
1269 disables the aligned address optimization.
1271 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1273 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1276 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1278 * i960.h (BOOL_TYPE_SIZE): Define.
1280 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1282 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1283 from old valid_parallel_operands_4.
1284 (valid_parallel_operands_4): Check that operands for 4 operand
1285 parallel insns are valid, excluding load/store insns.
1286 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1287 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1288 valid_parallel_load_store instead of valid_parallel_operands_4.
1289 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1290 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1291 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1292 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1293 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1294 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1295 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1297 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1299 * config/c4x/c4x.c (iteration_info): Delete extern.
1301 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1303 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1305 * final.c (cleanup_subreg_operands): Delete some unused code.
1307 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1308 (struct insn_alternative): New structure definition.
1309 (recog_op_alt): Declare variable.
1310 (preprocess_constraints): Declare function.
1311 * recog.c (recog_op_alt): New variable.
1312 (extract_insn): Verify number of alternatives is in range.
1313 (preprocess_constraints): New function.
1314 * reg-stack.c: Include recog.h.
1315 (constrain_asm_operands): Delete.
1316 (get_asm_operand_lengths): Delete.
1317 (get_asm_operand_n_inputs): New function.
1318 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1319 N_OUTPUTS args. All callers changed.
1320 Compute number of inputs and outputs here by calling
1321 get_asm_operand_n_inputs.
1322 Instead of constrain_asm_operands, call extract_insn,
1323 constrain_operands and preprocess_constaints. Use information
1324 computed by these functions throughout.
1325 (record_reg_life): Delete code that is unused due to changes in
1326 record_asm_reg_life.
1327 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1328 N_INPUTS and N_OUTPUTS args. All callers changed.
1329 Similar changes as in record_asm_reg_life.
1330 (subst_stack_regs): Move n_operands declaration into the if statement
1332 Delete code that is unused due to changes in subst_asm_stack_regs.
1333 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1335 * Makefile.in (reg-stack.o): Depend on recog.h.
1337 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1339 * except.c (set_exception_version_code): Argument is an "int".
1341 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1343 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1344 * configure: Rebuilt.
1346 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1348 * configure.in (mipsel-*-linux*): New target.
1349 * mips/linux.h: New file, based on other Linux targets.
1351 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1353 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1354 runs in the context of the deleter, not the deletee, so we must
1355 use taskVarGet to find the correct memory to free.
1356 (__gthread_key_create): Initialize the task
1357 variable subsystem so that the task variable is still active when
1358 the delete hook is run.
1360 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1362 * pdp11.h: Use optimize_size for space optimizations.
1363 * pdp11.c: Likewise.
1364 * pdp11.md: Likewise.
1366 * pdp11.h (TARGET_40_PLUS): Fix typo.
1368 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1370 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1373 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1375 * alias.c (addr_side_effect_eval): New function.
1376 (memrefs_conflict_p): Use it.
1377 * rtl.h (addr_side_effect_eval): Prototype it.
1379 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1381 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1383 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1385 * reload.c (find_reloads): When force const to memory, put result
1386 in substed_operand not *recog_operand_loc.
1388 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1390 * c-lex.c: Fix indentation from last patch.
1391 Remove trailing whitespace.
1394 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1396 * flow.c (delete_block): Call set_last_insn after we have reset
1397 NEXT_INSN (kept_tail).
1399 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1401 * mips.md (trap_if): Use "$0" for the value zero.
1403 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1404 Stephen L Moshier <moshier@world.std.com>
1405 Richard Henderson <rth@cygnus.com>
1407 * c-common.c (declare_function_name): Declare predefinied variable
1410 * c-decl.c (flag_isoc9x): Set to 1 by default.
1411 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1412 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1414 * c-parse.in: Allow constructors in ISO C 9x.
1415 Rewrite designator list handling.
1416 Allow [*] parameters.
1417 Don't warn about comma at end of enum definition for ISO C 9x.
1419 * cccp.c (c9x): New variable.
1420 (rest_extension): New variable.
1421 (print_help): Document new -std= option.
1422 (main): Recognize -std= option. Set c9x appropriately.
1423 (create_definition): Recognize ISO C 9x vararg macros.
1425 * gcc.c (default_compilers): Adjust specs for -std options.
1426 (option_map): Add --std.
1427 (display_help): Document -std.
1429 * toplev.c (documented_lang_options): Add -std and remove
1432 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1433 or REAL_VALUE_HTOF based on base of the constants.
1434 * fold-const.c (real_hex_to_f): New function. Replacement function
1435 for hex FP conversion if REAL_ARITHMETIC is not defined.
1436 * real.c (asctoeg): Add handling of hex FP constants.
1437 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1440 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1442 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1443 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1444 expansion. Use hi/lo as destination register.
1446 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1447 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1448 Avoid as macro expansion. Use hi/lo as destination register.
1450 * mips.h (MASK_CHECK_RANGE_DIV): New.
1451 (MASK_NO_CHECK_ZERO_DIV): New.
1452 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1453 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1454 return address for leaf functions out of r31 to support
1455 builtin_return_address.
1457 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1459 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1460 NEXT_INSN(x) to check insn x.
1462 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1464 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1465 last insn in the rtl chain.
1467 * reload1.c (reload): Do not set reload_completed or split insns
1469 * toplev.c (rest_of_compilation): Set reload_completed after
1470 reload returns. Split insns after reload_cse has run.
1472 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1474 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1476 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1478 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1480 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1482 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1483 use of user-label_prefix.
1485 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1487 * reload1.c (emit_reload_insns): Clear spill_reg_store
1488 when doing a new non-inherited reload from the same pseudo.
1490 * local-alloc.c (function_invariant_p): New function.
1491 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1492 to decide if an equivalence should be recorded.
1493 * reload1.c (num_eliminable_invariants): New static variable.
1494 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1495 to decide if an equivalence should be recorded.
1497 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1498 Take num_eliminable_invariants into account when deciding
1499 if register elimination should be done.
1500 (reload_as_needed): Take num_eliminable_invariants into account
1501 when deciding if register elimination should be done.
1502 (eliminate_regs): Handle non-constant reg_equiv_constant.
1503 * rtl.h (function_invariant_p): Declare.
1505 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1507 * version.c: Bump for snapshot.
1509 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1511 * version.c: Bump for snapshot.
1513 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1515 * except.c (add_new_handler): Complain about additional handlers
1516 after one that catches everything.
1518 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1520 * configure.in (alpha*-*-netbsd): Fix typo.
1521 * configure: Rebuilt.
1523 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1525 * system.h: Include libiberty.h.
1527 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1528 function `concat' from fixed parameters to variable parameters,
1529 as is done in libiberty. All callers of concat/concat3
1530 changed to use the new `concat' with variable args.
1532 * cccp.c: Remove things made redundant by libiberty.h and/or
1533 conform to libiberty standards.
1535 * collect2.c: Likewise.
1536 * config/1750a/1750a.h: Likewise.
1537 * cppalloc.c: Likewise.
1538 * cppexp.c: Likewise.
1539 * cppfiles.c: Likewise.
1540 * cpphash.c: Likewise.
1541 * cpplib.c: Likewise.
1542 * dyn-string.c: Likewise.
1543 * fix-header.c: Likewise.
1546 * genattr.c: Likewise.
1547 * genattrtab.c: Likewise.
1548 * gencheck.c: Likewise.
1549 * gencodes.c: Likewise.
1550 * genconfig.c: Likewise.
1551 * genemit.c: Likewise.
1552 * genextract.c: Likewise.
1553 * genflags.c: Likewise.
1554 * gengenrtl.c: Likewise.
1555 * genopinit.c: Likewise.
1556 * genoutput.c: Likewise.
1557 * genpeep.c: Likewise.
1558 * genrecog.c: Likewise.
1559 * getpwd.c: Likewise.
1560 * halfpic.c: Likewise.
1562 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1563 in NEED_DECLARATION_* macros.
1565 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1566 conform to libiberty standards.
1567 (fatal): Fix const-ification of variable `format' in
1568 !ANSI_PROTOTYPES case.
1570 * prefix.c: Remove things made redundant by libiberty.h and/or
1571 conform to libiberty standards.
1573 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1574 conflicting with function `spaces' from libiberty.
1576 * profile.c: Remove things made redundant by libiberty.h and/or
1577 conform to libiberty standards.
1578 * protoize.c: Likewise.
1581 * tlink.c: Likewise.
1582 * toplev.c: Likewise.
1583 * toplev.h: Likewise.
1586 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1588 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1590 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1592 * README.C4X: Updated URLs.
1593 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1594 (valid_parallel_operands_5): Remove unused variable.
1596 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1598 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1600 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1602 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1603 which can be configured.
1604 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1605 (Makefile): Pass actual LANGUAGES through the environment when
1607 (cstamp-h): Likewise.
1608 (config.status): Likewise.
1610 * configure.in (enable_languages): Add new configuration parameter
1611 "--enable-languages=lang1,lang2,...".
1612 (${srcdir}/*/config-lang.in): Change handling to configure only
1613 those directories, that the user might have enabled; default to
1614 "all" existing languages.
1615 * configure: Regenerate.
1617 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1619 * rtlanal.c (regs_set_between_p): New function.
1620 * rtl.h (regs_set_between_p): Prototype it.
1621 * jump.c (jump_optimize): Use it instead of modified_between_p
1622 in the Sep 2 change.
1624 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1625 Matthias Pfaller <leo@dachau.marco.de>
1627 * invoke.texi (Option Summary, NS32K Options): add description
1628 of NS32K specific options.
1630 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1631 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1632 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1633 negdf2, absdf2): Use l instead of f since the double class and
1634 float class are no longer the same.
1635 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1636 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1637 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1638 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1640 (cmpsi, cmphi, cmpqi): use general_operand instead of
1641 non_immediate_operand. Removes erroneous assumption that can't
1643 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1644 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1646 (movstrsi, movstrsi1, movstrsi2): completely new block move
1648 (...): Patterns to exploit multiply-add instructions.
1649 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1650 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1651 patterns to exploit extended divide insns.
1652 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1655 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1656 float return values as well as simple scalar floats.
1657 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1658 support new flag to denote 32381 fpu.
1659 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1660 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1662 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1663 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1664 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1665 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1666 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1667 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1668 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1669 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1670 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1671 fpu registers and special register classes for new 32381
1672 instructions dotf and polyf.
1673 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1675 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1676 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1678 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1679 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1680 (REGISTER_MOVE_COST): move code to register_move_cost function for
1681 ease of coding and debugging.
1682 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1683 LONG_FLOAT_REGO is likely spilled but not caught by default
1685 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1686 instead of hard coded numbers in range check.
1687 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1688 (...): Add prototypes for functions in ns32k.c but disable because
1689 of problems when ns32k.h is included in machine independant files.
1691 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1692 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1693 hard_regno_mode_ok, secondary_reload_class,
1694 print_operand, print_operand_address): new register scheme to
1695 include 32381 fpu registers and special register classes for new
1696 32381 instructions dotf and polyf.
1697 (gen_indexed_expr): Make static to keep namespace clean.
1698 (check_reg): remove since never called.
1699 (move_tail, expand_block_move): helper functions for "movstrsi"
1701 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1702 Increase cost of moves which go via memory.
1703 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1704 (CPP_PREDEFINES): nolonger predefine "unix".
1706 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1707 Remove erroneous %$. print_operand() can work out from the rtx is
1708 an immediate prefix is required.
1710 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1711 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1712 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1714 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1717 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1718 Correct handling of pic operands.
1719 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1720 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1721 -mrtd calling convention.
1723 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1725 * gcc.c (option_map): Recognize --output-class-directory.
1727 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1729 * loop.h (precondition_loop_p): Added new mode argument.
1730 * unroll.c (precondition_loop_p): Likewise.
1731 (approx_final_value): Function deleted and subsumed
1732 into loop_iterations.
1733 (loop_find_equiv_value): New function.
1734 (loop_iterations): Use loop_find_equiv_value to find increments
1735 too large to be immediate constants. Also use it to find terms
1736 common to initial and final iteration values that can be removed.
1738 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1740 * loop.h (struct loop_info): Define new structure.
1741 (precondition_loop_p): Added prototype.
1742 (unroll_loop): Added new argument loop_info to prototype.
1743 (final_biv_value, final_giv_value): Added new argument n_iterations
1745 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1746 and new pointer loop_info.
1747 (loop_n_iterations): Replace global variable by element in
1748 loop_info structure.
1749 (check_final_value): New argument n_iterations.
1750 (insert_bct): New argument loop_info.
1751 (loop_unroll_factor): Replace global array by element in
1752 loop_info structure.
1753 (loop_optimize): Remove code to allocate and initialise
1754 loop_unroll_factor_array.
1755 * unroll.c (precondition_loop_p): No longer static since
1756 used by branch on count optimization.
1757 (precondition_loop_p, unroll_loop): New argument loop_info.
1758 (final_biv_value, final_giv_value, find_splittable_regs): New
1759 argument n_iterations.
1760 (loop_iteration_var, loop_initial_value, loop_increment,
1761 loop_final_value, loop_comparison_code, loop_unroll_factor):
1762 Replaced global variables by loop_info structure.
1763 (loop_unroll_factor): Replace global array by element in
1764 loop_info structure.
1766 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1768 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1771 * unroll.c (precondition_loop_p): Return loop_initial_value
1772 for initial_value instead of loop_iteration_var.
1774 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1776 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1777 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1778 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1779 to output the instruction sequences.
1781 (rptb_top): Provide alternatives to use any register or memory
1783 (rptb_end): Emit use of operands rather than assigning them
1784 explicitly to the RS and RE registers.
1786 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1788 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1789 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1790 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1791 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1792 c4x_merge_notes, c4x_parallel_process,
1793 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1794 c4x_combine_parallel): Delete.
1796 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1798 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1799 with old target options clear flag_branch_on_count_reg if
1800 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1802 (c4x_output_cbranch): Handle a sequence of insns rather than a
1804 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1805 has not been allocated as the loop counter.
1806 (c4x_address_conflict): Do not allow two volatile memory references.
1807 (valid_parallel_operands_4, valid_parallel_operands_5,
1808 valid_parallel_operands_6): Reject pattern if the register destination
1809 of the first set is used as part of an address in the second set.
1811 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1813 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1814 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1815 is no longer enabled if PARALLEL_MPY_FLAG set.
1816 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1817 (REG_CLASS_CONTENTS): Add braces around initializers.
1818 (HAVE_MULTIPLE_PACK): Define.
1819 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1820 REAL_VALUE_TO_DECIMAL.
1821 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1822 REAL_VALUE_TO_DECIMAL.
1823 (ar0_reg_operand): Add prototype.
1824 (ar0_mem_operand): Likewise.
1825 (ar1_reg_operand): Likewise.
1826 (ar1_mem_operand): Likewise.
1827 (ar2_reg_operand): Likewise.
1828 (ar2_mem_operand): Likewise.
1829 (ar3_reg_operand): Likewise.
1830 (ar3_mem_operand): Likewise.
1831 (ar4_reg_operand): Likewise.
1832 (ar4_mem_operand): Likewise.
1833 (ar5_reg_operand): Likewise.
1834 (ar5_mem_operand): Likewise.
1835 (ar6_reg_operand): Likewise.
1836 (ar6_mem_operand): Likewise.
1837 (ar7_reg_operand): Likewise.
1838 (ar7_mem_operand): Likewise.
1839 (ir0_reg_operand): Likewise.
1840 (ir0_mem_operand): Likewise.
1841 (ir1_reg_operand): Likewise.
1842 (ir1_mem_operand): Likewise.
1843 (group1_reg_operand): Likewise.
1844 (group1_mem_operand): Likewise.
1845 (ir1_reg_operand): Likewise.
1846 (arx_reg_operand): Likewise.
1847 (not_rc_reg): Likewise.
1848 (not_modify_reg): Likewise.
1849 (c4x_group1_reg_operand): Remove prototype.
1850 (c4x_group1_mem_operand): Likewise.
1851 (c4x_arx_reg_operand): Likewise.
1853 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1855 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1856 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1858 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1860 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1863 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1865 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1866 unless FMOVD_WORKS is defined.
1868 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1870 * regclass.c (init_reg_sets): Move code that calculates tables
1871 dependent on reg_class_contents from here...
1872 (init_reg_sets_1): To here.
1874 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1876 * cpplib.h: Delete struct import_file. Add ihash element to
1877 struct cpp_buffer. Delete dont_repeat_files and
1878 import_hash_table elements from cpp_reader; change
1879 all_include_files to a hash table. Delete all foobar_include
1880 / last_foobar_include elements from struct cpp_options; put
1881 back four such: quote_include, bracket_include,
1882 system_include, after_include. Redo struct file_name_list
1883 completely. Add new structure type include_hash. Add
1884 prototypes for merge_include_chains and include_hash. Change
1885 prototypes for finclude, find_include_file, and
1886 append_include_chain to match changes below.
1888 * cppfiles.c (simplify_pathname, include_hash,
1889 remap_filename, merge_include_chains): New functions.
1890 (add_import, lookup_import, open_include_file): Removed.
1891 (INO_T_EQ): Define this (copied from cccp.c).
1892 (hack_vms_include_specification): Remove all calls and #if 0
1893 out the definition. It was being called incorrectly and at
1894 the wrong times. Until a VMSie can look at this, it's better
1895 to not pretend to support it.
1896 (append_include_chain): Change calling convention; now takes
1897 only one directory at a time, and sets up the data structure
1899 (redundant_include_p): Rewritten - this is now used for all
1900 include redundancy, whether by #ifndef, #import, or #pragma
1901 once. Looks up things in the include hash table.
1902 (file_cleanup): Decrement pfile->system_include_depth here if
1904 (find_include_file): Calling convention changed; now passes
1905 around a struct include_hash instead of 3 separate parameters.
1906 Guts ripped out and replaced with new include_hash mechanism.
1907 (finclude): Calling convention changed as for
1908 find_include_file. Error exits pulled out-of-line. Reformat.
1909 (safe_read): Return a long, not an int.
1910 (deps_output): Don't recurse.
1912 * cpplib.c (is_system_include): Deleted.
1913 (path_include): Fix up call to append_include_chain.
1914 (do_include): Fix up calls to find_include_file and finclude.
1915 Clean up dependency output a bit. Shorten obnoxiously lengthy
1916 #import warning message. Don't decrement
1917 pfile->system_include_depth here.
1918 (do_pragma): Understand the include_hash structure. Reformat.
1919 (do_endif): Correct handling of control macros. Understand
1921 (cpp_start_read): Fix up calls to finclude. Call
1922 merge_include_chains.
1923 (cpp_handle_option): Fix up calls to append_include_chain.
1924 Understand the four partial include chains.
1925 (cpp_finish): Add debugging code (#if 0-ed out) for the
1927 (cpp_cleanup): Free the include_hash, not the import hash and
1928 the all_include and dont_repeat lists which no longer exist.
1930 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1932 * toplev.c (no_new_pseudos): Define.
1933 (rest_of_compilation): Set no_new_pseudos as needed.
1934 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1935 if no_new_pseudos is set.
1936 * rtl.h (no_new_pseudos): Declare it.
1937 * reload1.c (reload): Update comments.
1938 * md.texi: Corresponding changes.
1940 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1942 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1943 (choose_reload_regs): Rename it here as well. When computing it,
1944 also merge in used hardregs.
1946 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1948 * gcc.c: Split out Objective-C specs to...
1949 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1952 * c-lex.c (init_parse): Always initialize the filename global.
1953 * objc/objc-act.c (lang_init): Always call check_newline at
1956 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1958 * reload1.c (reload): Remove unused variable.
1959 (reload_reg_free_for_value_p): Add missing parameter definition.
1961 * jump.c (jump_optimize): Remove unused variable.
1963 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1965 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1967 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1969 * expr.c (move_by_pieces): Similarly.
1970 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1971 * flow.c (find_auto_inc): Similarly.
1972 (try_pre_increment): Similarly.
1973 * loop.c (strength_reduce): Similarly.
1974 * regclass.c (auto_inc_dec_reg_p): Similarly.
1975 * regmove.c (try_auto_increment): Similarly.
1976 (fixup_match_1): Similarly.
1977 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1978 (HAVE_PRE_DECREMENT): Similarly.
1979 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1980 * Corresponding changes to all target header files.
1981 * tm.texi: Update docs for autoinc addressing modes.
1983 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1985 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1986 * configure: Rebuild.
1987 * config/elfos.h: New file.
1988 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1989 config/m68k/t-m68kelf: New file.
1991 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1993 * Makefile.in (HOST_AR): Define.
1994 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1995 (libcpp.a): Use the host tools explicitly.
1996 (STAGESTUFF): Add libcpp.a.
1998 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2000 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2001 to source and destination registers.
2003 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2005 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2006 The strategy we now use is to pre allocate the top_elt along
2007 with the EH context so that each thread has its own top_elt.
2008 This is necessary as the dynmanic cleanup chain is used on the
2009 top element of the stack and each thread MUST have its own.
2010 (eh_context_static): Likewise.
2011 (new_eh_context): Likewise.
2012 (__sjthrow): Likewise.
2014 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2016 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2017 * i386.md (prologue_get_pc): Remove unused variable.
2019 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2021 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2023 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2025 * Makefile.in (OBJS): Add graph.o
2026 (graph.o): New dependency list.
2027 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2028 * print-rtl.c (dump_for_graph): Define new variable.
2029 (print_rtx): Rewrite to allow use in graph dumping functions.
2030 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2031 finish_graph_dump_file.
2032 Define graph_dump_format.
2033 (compile_file): If graph dumping is enabled also clear these files.
2034 Finish graph dump files.
2035 (rest_of_compilation): Also dump graph information if enabled.
2036 (main): Recognize -dv to enabled VCG based graph dumping.
2037 * graph.c: New file. Graph dumping functions.
2039 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2041 * configure.in: Look for <sys/stat.h>.
2042 * system.h: Include it before substitute S_ISREG definitions.
2044 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2046 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2047 * config/mips/iris6.h: Same.
2048 * config/mips/mips.md: Same.
2049 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2050 * config/mips/mips.h: Same; also define ABI_O64.
2052 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2054 * configure.in: Use AC_PREREQ(2.12.1).
2056 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2058 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2059 * cpplib.c, gcc.c: Likewise.
2060 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2062 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2064 * local-alloc.c (local_alloc): Use malloc not alloca for
2065 reg_qty, reg_offset, ref_next_in_qty.
2067 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2069 * caller-save.c (insert_one_insn): Initialize the live_before and
2070 live_after register sets.
2074 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2075 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2076 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2077 (fp_reg_names, assembler_dialect): New variables.
2078 (print_operand_address): Handle SUBREGs.
2079 (print_operand): Added 'o' case.
2080 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2081 Name of FP registers depends on mode.
2082 (expand_block_move): Emit different code for SH4 hardware.
2083 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2084 (from_compare): Likewise.
2085 (add_constant): New argument last_value. Changed all callers.
2086 (find_barrier): Don't try HImode load for FPUL_REG.
2087 (machine_dependent_reorg): Likewise.
2088 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2089 (gen_far_branch): Emit a barrier after the new jump.
2090 (barrier_align): Don't trust instruction lengths before
2092 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2093 Use auto-inc addressing for fp registers if doubles need to
2094 be loaded in two steps.
2095 Set sh_flag_remove_dead_before_cse.
2096 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2097 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2098 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2099 Support for FIRST_XD_REG .. LAST_XD_REG.
2100 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2101 (sh_expand_epilogue): Likewise.
2102 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2103 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2104 (arith_reg_operand): FPUL_REG is OK for SH4.
2105 (fp_arith_reg_operand, fp_extended_operand) New functions.
2106 (tertiary_reload_operand, fpscr_operand): Likewise.
2107 (commutative_float_operator, noncommutative_float_operator): Likewise.
2108 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2109 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2110 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2111 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2112 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2113 (CONDITIONAL_REGISTER_USAGE): Likewise.
2114 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2115 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2116 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2117 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2118 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2119 to -1 and sh_flag_remove_dead_before_cse to 1.
2120 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2121 (assembler_dialect, fp_reg_names): Declare.
2122 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2123 Hide names of registers that are not accessible.
2124 (CACHE_LOG): Take TARGET_CACHE32 into account.
2125 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2126 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2127 (FIRST_PSEUDO_REGISTER: Now 49.
2128 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2129 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2130 (HARD_REGNO_MODE_OK): Update.
2131 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2132 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2133 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2134 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2135 (NPARM_REGS): Eight floating point parameter registers on SH4.
2136 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2137 in floating point registers.
2138 (GET_SH_ARG_CLASS) Likewise.
2139 Complex float types are also returned in float registers.
2140 (BASE_ARG_REG): Complex float types are also passes in float registers.
2141 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2142 (LIBCALL_VALUE): Remove trailing semicolon.
2143 (ROUND_REG): Round when double precision value is passed in floating
2145 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2146 passed on the stack.
2147 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2148 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2149 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2150 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2151 (MODE_DISP_OK_8): Not for SH4 DFmode.
2152 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2153 Allow indexed addressing for PSImode after reload.
2154 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2155 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2156 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2157 (DOUBLE_TYPE_SIZE): 64 for SH4.
2158 (RTX_COSTS): Add PLUS case.
2159 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2160 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2161 MAC_REGS, PR_REGS, DF_REGS.
2162 (REGISTER_NAMES): Use fp_reg_names.
2163 (enum processor_type): Add PROCESSOR_SH4.
2164 (sh_flag_remove_dead_before_cse): Declare.
2165 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2166 (PREDICATE_CODES): Add binary_float_operator,
2167 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2168 fpscr_operand, noncommutative_float_operator.
2169 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2170 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2171 * sh.md (attribute cpu): Add value sh4.
2172 (attrbutes fmovd, issues): Define.
2173 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2174 (function units memory, int, mpy, fp): Make dependent on issue rate.
2175 (function units issue, single_issue, load_si, load): Define.
2176 (function units load_store, fdiv, gp_fpul): Define.
2177 (attribute hit_stack): Provide proper default.
2178 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2179 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2180 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2181 (mulsi3_call): Now uses match_operand for function address.
2182 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2184 (push, pop, push_e, pop_e): Now define_expands.
2185 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2186 (movsi_ie): Added y/i alternative.
2187 (ic_invalidate_line_i, movdf_i4): New insns.
2188 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2189 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2190 (movdf): Add special code for SH4.
2191 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2192 (call_valuei, calli, call_value): Likewise.
2193 (movsf): Emit no-op move.
2194 (mov_nop, movsi_y): New insns.
2195 (blt, sge): generalize to handle DFmode.
2196 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2197 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2198 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2199 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2200 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2201 (toggle_sz): New insn.
2202 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2203 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2204 (macsf3): Make use of fpscr visible. Disable for SH4.
2205 (floatsisf2): Make use of fpscr visible.
2206 (floatsisf2_i4): New insn.
2207 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2208 (ieee_ccmpeqsf_t): Likewise.
2209 (fix_truncsfsi2): Emit different code for SH4.
2210 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2211 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2212 (negsf2, sqrtsf2, abssf2): Now expanders.
2213 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2214 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2215 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2216 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2217 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2218 (fix_truncdfsi2_i4_2+1): New splitters.
2219 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2220 (extendsfdf2, truncdfsf2): New expanders.
2221 (truncdfsf2_i4): New insn.
2222 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2223 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2224 * float-sh.h: When testing for __SH3E__, also test for
2225 __SH4_SINGLE_ONLY__ .
2226 * va-sh.h (__va_freg): Define to float.
2227 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2228 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2229 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2230 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2232 (TARGET_SH4_P): Define.
2235 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2236 init_expr_once is satisfied about the existence of load / store insns.
2238 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2239 change m constraint in source operand to mr / mf .
2241 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2243 * (__VA_REEF): Define.
2244 (__va_arg_sh1): Use it.
2246 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2248 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2250 * i386/dgux.c (struct option): Add new "description field".
2251 * m88k/m88k.c (struct option): Likewise.
2253 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2255 * version.c: Bump for snapshot.
2257 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2259 * regmove.c (regmove_profitable_p): Use return value of find_matches
2262 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2264 * version.c: Bump for snapshot.
2266 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2268 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2269 without reload having been called earlier.
2271 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2273 (v850_reorg): Similarly.
2275 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2277 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2279 * loop.c (move_movables): Start of libcall might be new loop start.
2281 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2283 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2285 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2287 * function.c (nonlocal_goto_handler_slots): Renamed from
2288 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2289 (push_function_context_to): Adjust for this change.
2290 (pop_function_context_from): Likewise.
2291 (init_function_start): Likewise.
2292 (expand_function_end): Likewise.
2293 * function.h (struct function): Likewise.
2294 * calls.c (expand_call): Likewise.
2295 * explow.c (allocate_dynamic_stack_space): Likewise.
2296 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2297 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2299 (expand_goto): When doing a nonlocal goto, find corresponding handler
2300 slot for it. Don't put the label address in the static chain register.
2301 (expand_end_bindings): Break out nonlocal goto handling code into
2302 three new functions.
2303 (expand_nl_handler_label, expand_nl_goto_receiver,
2304 expand_nl_goto_receivers): New static functions, broken out of
2305 expand_end_bindings and adapted to create one handler per nonlocal
2307 * function.c (delete_handlers): Delete insn if it references any of
2308 the nonlocal goto handler slots.
2309 * i960.md (nonlocal_goto): Comment out code that modifies
2311 * sparc.md (nonlocal_goto): Likewise.
2312 (goto_handler_and_restore_v9): Comment out.
2313 (goto_handler_and_restore_v9_sp64): Comment out.
2315 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2317 * expr.c (STACK_BYTES): Delete unused macro.
2318 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2319 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2320 (expand_call): Likewise.
2321 (emit_library_call): Likewise.
2322 (emit_library_call_value): Likewise.
2323 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2324 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2325 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2326 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2327 (allocate_dynamic_stack_space): Likewise.
2328 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2329 (STACK_BOUNDARY): Update description to reflect the new situation.
2331 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2333 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2334 return with a filled delay slot is followed by a return with an
2335 unfilled delay slot, delete the first return and reemit the insn
2336 that was previously in its delay slot.
2338 * i860.c (single_insn_src_p): Add missing parens.
2339 * ginclude/math-3300.h: Likewise.
2341 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2343 * regclass.c (init_reg_sets_1): Add prototype.
2344 (init_reg_modes): Likewise.
2346 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2348 * c-common.c: Change warning messages to say `comparison is
2349 always true' or `comparison is always false' instead of the
2350 confusing `is always 0', `is always 1'.
2352 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2354 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2355 break instead of return (which loses closing '>').
2357 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2359 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2360 standard 387 constants.
2362 * i386.md (jump): Explicitly set "memory" attribute.
2363 (indirect_jump, prologue_set_stack_ptr): Likewise.
2364 (prologue_get_pc_and_set_got, pop): Likewise.
2365 (allocate_stack_worder, blockage, return_internal): Likewise.
2366 (return_pop_internal, nop): Likewise.
2367 (epilogue_set_stack_ptr, leave): Likewise.
2369 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2371 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2373 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2375 * reload1.c (reload_reg_free_for_value_p):
2376 Early auto_inc reloads don't conflict with outputs.
2378 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2380 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2381 Instead call AC_HEADER_SYS_WAIT.
2383 * collect2.c: Don't provide defaults for sys/wait.h macros.
2385 * protoize.c: Likewise. Also, don't include sys/wait.h.
2387 * system.h: Include sys/wait.h and provide macro defaults.
2389 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2391 * Makefile.in (mandir): Set to @mandir@.
2392 (man1dir): New variable to hold the former value of $(mandir).
2393 Replace all uses of $(mandir) by $(man1dir).
2395 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2397 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2398 a new one before passing it to force_const_mem.
2400 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2401 find_reloads_address call.
2403 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2405 * expr.c (store_expr): Don't generate load-store pair
2406 if TEMP is identical (according to ==) with TARGET.
2408 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2410 * reload1.c (reload_reg_free_for_value_p): When considered reload
2411 has an output, matching inputs are not sufficient to avoid conflict.
2413 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2415 * hash.h (hash_table_key): New type.
2416 (hash_entry): Change `string' field to generic `key'.
2417 (hash_table): Add `comp' and `hash' functions.
2418 (hash_table_init): Take them as input.
2419 (hash_table_init_n): Likewise.
2420 (hash_lookup): Modify for generic keys.
2421 (hash_newfunc): Likewise.
2422 (hash_traverse): Likewise.
2423 (string_hash): New function.
2424 (string_compare): Likewise.
2425 (string_copy): Likewise.
2426 * hash.c (hash_table_init_n): Modify for generic keys.
2427 (hash_table_init): Likewise.
2428 (hash_lookup): Likewise.
2429 (hash_newfunc): Likewise.
2430 (hash_traverse): Likewise.
2431 (string_hash): Split out from hash_lookup.
2432 (string_compare): New function.
2433 (string_copy): Split out from hash_lookup.
2434 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2436 (symbol_hash_lookup): Likewise.
2437 (file_hash_newfunc): Likewise.
2438 (file_hash_lookup): Likewise.
2439 (demangled_hash_newfunc): Likewise.
2440 (demangled_hash_lookup): Likewise.
2441 (tlink_int): Likewise.
2442 (read_repo_file): Likewise.
2443 (recompile_files): Likewise.
2444 (demangle_new_symbols): Likewise.
2445 (scan_linker_output): Likewise.
2447 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2449 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2451 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2453 * rs6000.c (output_mi_thunk): Improve test for local branch.
2455 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2457 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2459 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2461 * reload1.c (reload_reg_free_before_p): Delete.
2462 Changed all callers to use reload_reg_free_for_value_p instead.
2463 (reload_reg_free_for_value_p): Handle more reload types.
2464 A RELOAD_FOR_INPUT doesn't conflict with its
2465 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2466 Add special case for OUT == const0_rtx.
2467 Added ignore_address_reloads argument. Changed all callers.
2469 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2471 * toplev.c (compile_file): Don't pedwarn about undefined static
2472 functions just because we passed -Wunused.
2474 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2476 * function.c (purge_addressof_1): Unshare rtl created by
2479 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2481 * regmove.c (regmove_optimize): Don't do anything but
2482 optimize_reg_copy[123] when flag_regmove is not set.
2484 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2486 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2487 value in paradoxical SImode result, rather than truncating midpoint.
2489 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2491 * alpha.c (reg_not_elim_operand): New.
2492 * alpha.h (PREDICATE_CODES): Add it.
2493 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2494 for the multiplicand.
2496 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2498 * rs6000.md (movsf): Remove explicit secondary-reload-like
2499 functionality. Only truncate SFmode store if in FPR.
2500 (movsf splitters): Combine const_double splitters.
2501 (movsf_hardfloat): Add GPR support.
2503 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2505 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2506 deprecate -mlive-g0 and -mbroken-saverestore.
2507 * t-splet (MULTILIB_OPTIONS): Likewise.
2509 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2510 in a leaf function. Clarify total_size/extra_size relationship.
2512 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2514 * i386/cygwin32.asm: Delete.
2515 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2516 * i386/cygwin32.h: Delete.
2517 * i386/cygwin.h: New file, renamed from cygwin32.h.
2518 * i386/t-cygwin32: Delete.
2519 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2520 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2521 * i386/x-cygwin32: Delete.
2522 * i386/x-cygwin: New file, renamed from x-cygwin32.
2523 * i386/xm-cygwin32: Delete.
2524 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2525 renamed cygwin_ funcs for path translations.
2526 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2527 * i386/winnt.c: Remove "32" from comment about cygwin.
2528 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2529 * rs6000/cygwin32.h: Delete.
2530 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2531 -D__CYGWIN__ to CPP_PREDEFINES.
2532 * rs6000/x-cygwin32: Delete.
2533 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2534 * rs6000/xm-cygwin32: Delete.
2535 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2537 * configure.in: Check for cygwin* instead of cygwin32. Account
2538 for the rename of cygwin-related config files to lose the "32"s.
2539 * configure: Regenerate.
2541 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2542 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2544 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2546 * Makefile.in (JAVAGC): New macro.
2547 * configure: Rebuilt.
2548 * configure.in: Recognize --enable-java-gc argument. Subst
2551 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2553 Handle equivalences that have been obscured by gcse:
2555 * reload1.c (reload): Handle equivalences set up in multiple places.
2556 * local-alloc.c (reg_equiv_init_insns): New variable.
2557 (no_equiv): New function.
2558 (update_equiv_regs): Handle equivalences set up in multiple places.
2559 Don't ignore an insn just because its destination is likely to be
2562 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2564 * except.c (expand_eh_return): Readd force_operand call lost in
2567 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2569 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2571 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2573 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2575 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2577 * regmove.c (regmove_optimize): Fix error in last change.
2579 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2581 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2582 offset in the .mask pseudo to compensate for frame pointer adjustments.
2583 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2584 word swap arguments moved to/from FP registers.
2585 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2587 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2589 * version.c: Bump for snapshot.
2591 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2593 * version.c: Bump for snapshot.
2595 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2597 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2598 times, then it can not be completely replaced.
2600 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2602 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2604 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2606 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2607 (to distinguish it from the macro wrapping ansidecl.h.)
2608 Include libiberty's ansidecl.h. Remove all redundant definitions.
2609 Define the PROTO() style macros in terms of the PARAMS() ones.
2612 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2613 __STDC__, when deciding whether to use ANSI variable args.
2614 (emit_library_call_value): Likewise.
2616 * cccp.c (error): Likewise.
2617 (warning): Likewise.
2618 (error_with_line): Likewise.
2619 (warning_with_line): Likewise.
2620 (pedwarn): Likewise.
2621 (pedwarn_with_line): Likewise.
2622 (pedwarn_with_file_and_line): Likewise.
2625 * cexp.y (error): Likewise.
2626 (pedwarn): Likewise.
2627 (warning): Likewise.
2629 * collect2.c (fatal_perror): Likewise.
2633 * combine.c (gen_rtx_combine): Likewise.
2635 * cpperror.c (cpp_message): Likewise.
2636 (cpp_fatal): Likewise.
2638 * cpplib.c (cpp_error): Likewise.
2639 (cpp_warning): Likewise.
2640 (cpp_pedwarn): Likewise.
2641 (cpp_error_with_line): Likewise.
2642 (cpp_warning_with_line): Likewise.
2643 (cpp_pedwarn_with_line): Likewise.
2644 (cpp_pedwarn_with_file_and_line): Likewise.
2646 * cpplib.h: Don't define PARAMS() macro.
2648 * demangle.h: Likewise.
2650 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2651 when deciding whether to use ANSI variable args.
2653 * emit-rtl.c (gen_rtx): Likewise.
2654 (gen_rtvec): Likewise.
2656 * final.c (asm_fprintf): Likewise.
2658 * fix-header.c (cpp_message): Likewise.
2660 (cpp_fatal): Likewise.
2662 * gcc.c (concat): Likewise.
2666 * genattr.c (fatal): Likewise.
2668 * genattrtab.c (attr_rtx): Likewise.
2669 (attr_printf): Likewise.
2672 * gencodes.c (fatal): Likewise.
2674 * genconfig.c (fatal): Likewise.
2676 * genemit.c (fatal): Likewise.
2678 * genextract.c (fatal): Likewise.
2680 * genflags.c (fatal): Likewise.
2682 * genopinit.c (fatal): Likewise.
2684 * genoutput.c (fatal): Likewise.
2687 * genpeep.c (fatal): Likewise.
2689 * genrecog.c (fatal): Likewise.
2691 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2692 deciding whether to declare `tree_node' and `rtx_def'.
2694 * hash.h: Don't define stuff we get from gansidecl.h.
2696 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2697 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2698 whether to use ANSI variable args.
2701 * prefix.c (concat): Likewise.
2705 * system.h: Likewise.
2707 * toplev.c (error_with_file_and_line): Likewise.
2708 (error_with_decl): Likewise.
2709 (error_for_asm): Likewise.
2712 (warning_with_file_and_line): Likewise.
2713 (warning_with_decl): Likewise.
2714 (warning_for_asm): Likewise.
2715 (warning): Likewise.
2716 (pedwarn): Likewise.
2717 (pedwarn_with_decl): Likewise.
2718 (pedwarn_with_file_and_line): Likewise.
2720 (really_sorry): Likewise.
2722 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2723 whether to declare `tree_node' and `rtx_def'.
2725 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2726 deciding whether to use ANSI variable args.
2727 (build_nt): Likewise.
2728 (build_parse_node): Likewise.
2730 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2732 * version.c: Bump for snapshot.
2734 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2736 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2738 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2740 * collect2.c (main, case 'b'): Use else if.
2742 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2744 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2745 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2746 before the config/ directory headers.
2747 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2748 gansidecl.h in the list of dependencies.
2750 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2751 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2752 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2753 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2754 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2755 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2758 * cccp.c: Don't include gansidecl.h.
2760 * collect2.c: Likewise.
2761 * config/c4x/c4x.c: Likewise.
2762 * config/v850/v850.h: Likewise.
2763 * cppalloc.c: Likewise.
2764 * cpperror.c: Likewise.
2765 * cppexp.c: Likewise.
2766 * cppfiles.c: Likewise.
2767 * cpphash.c: Likewise.
2768 * cpplib.c: Likewise.
2769 * cppmain.c: Likewise.
2770 * cppulp.c: Likewise.
2771 * demangle.h: Likewise.
2772 * doprint.c: Likewise.
2773 * dyn-string.c: Likewise.
2774 * eh-common.h: Likewise.
2775 * fix-header.c: Likewise.
2776 * frame.c: Likewise.
2779 * gen-protos.c: Likewise.
2780 * gencheck.c: Likewise.
2781 * halfpic.h: Likewise.
2783 * machmode.h: Likewise.
2784 * mbchar.c: Likewise.
2785 * prefix.c: Likewise.
2786 * protoize.c: Likewise.
2787 * recog.h: Likewise.
2789 * scan-decls.c: Likewise.
2791 * varray.h: Likewise.
2793 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2795 * i386.md (call_value_pop): If we're not popping anything,
2796 defer to call_value.
2797 (call_pop): Likewise defer to call.
2799 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2801 * function.c (purge_addressof): Clear purge_addressof_replacements
2802 only after processing the whole function.
2804 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2806 * reload1.c (reload): If we can not perform a particular elimination
2807 when we thought we could earlier, then we must always iterate through
2808 the loop at least one more time.
2810 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2812 * alpha.c (add_operand): Simplify the CONST_INT match.
2813 (sext_add_operand): Correct typo in comparison by using
2814 CONST_OK_FOR_LETTER_P.
2815 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2816 constant alternatives to be generated.
2817 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2818 small constants, since the hw instructions do.
2820 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2822 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2823 previous insn to store directly into our reload register, make sure
2824 that if the source of the previous insn is a reload register, its
2825 spill_reg_store and spill_reg_stored_to values are cleared.
2827 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2829 * rs6000.md (floatunssidf2_internal splitter): Use base register
2830 operand, not hard-coded SP.
2832 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2834 * jump.c (calculate_can_reach_end): Fix thinko.
2836 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2838 * reorg.c (fill_simple_delay_slots): Fix typo.
2840 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2842 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2844 * i386.md (extendsidi2): Use # in the output template.
2845 (extendsidi splitters): New splitters.
2847 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2849 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2851 * configure: Regenerate.
2853 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2855 * jump.c (init_label_info, delete_barrier_successors,
2856 mark_all_labels, delete_unreferenced_labels,
2857 delete_noop_moves, calculate_can_reach_end): New functions broken
2858 out of jump_optimize.
2859 (jump_optimize): Use them.
2861 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2863 * except.c (expand_fixup_region_end): Make sure outer context labels
2864 are not issued in an inner context during cleanups.
2866 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2868 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2871 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2873 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2874 to expose this midpoint to CSE.
2876 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2878 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2880 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2882 * configure.in: Bring over gcc2 change of Nov 19 1997.
2884 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2886 * toplev.c (output_lang_identify): Make definition dependent on
2887 ASM_IDENTIFY_LANGUAGE.
2889 * print-rtl.c (spaces): Make static.
2891 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2893 * extend.texi: Clarify proper uses for register clobbers in asms.
2895 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2897 * recog.h (enum op_type): Define.
2898 (constrain_operands): Adjust prototype.
2899 (recog_op_type): Declare new variable.
2900 * recog.c (recog_op_type): New variable.
2901 (insn_invalid_p): Allow modifying an asm statement after reload.
2902 (extract_insn): Set up recog_op_type.
2903 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2904 Don't compute operand types, use recog_op_type.
2905 Use the information computed by extract_insn instead of the previous
2906 method of finding it by insn code number.
2907 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2908 * reorg.c (fill_slots_from_thread): Likewise.
2909 * reload1.c (reload_as_needed): Likewise.
2910 (gen_reload): Likewise.
2911 (inc_for_reload): Likewise.
2912 (reload_cse_simplify_operands): Likewise.
2913 Use the information computed by extract_insn instead of the previous
2914 method of finding it by insn code number.
2915 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2917 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2918 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2919 Use the information computed by extract_insn instead of the previous
2920 method of finding it by insn code number.
2921 * regmove.c (find_matches): Likewise. Change meaning of the return
2922 value to be nonzero if the optimization can be performed, zero if
2923 not. All callers changed.
2924 Shorten some variable names to fix formatting problems.
2925 (regmove_optimize): Shorten some variable names to fix formatting
2927 Use the information computed by extract_insn instead of the previous
2928 method of finding it by insn code number.
2929 * regclass.c (scan_one_insn): Likewise.
2930 (record_reg_classes): Don't compute operand types, use recog_op_type.
2931 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2932 recog_constraints instead.
2934 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2936 * rtl.h (flow2_completed): Declare.
2937 * flow.c (flow2_completed): Definition.
2938 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2941 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2943 * Makefile.in (libcpp.a): Ranlib libcpp.a
2945 * cppulp.c (user_label_prefix): Initialize.
2947 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2949 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2950 at a RETURN if current_function_sp_is_unchanging is set.
2952 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2954 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2956 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2958 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2959 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2960 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2961 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2962 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2963 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2965 (LIB_SPEC): Handle -mno-cyginw option.
2966 (LINK_SPEC): Handle -mdll.
2968 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2970 * reload.c (find_reloads): Fix test for usage by other reload
2971 to handle secondary reloads properly.
2973 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2975 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2976 intermediate structure which has exactly the members provided by
2977 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2978 static intermediate structure.
2980 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2981 from the intermediate structure. Do the same analogous fix in
2982 the case where ELIMINABLE_REGS is not defined.
2984 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2986 * pa.h (SELECT_SECTION): Fix thinko.
2988 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2990 * dwarf2out.c (output_call_frame_info): Comments on last change.
2992 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2994 * arm.c (add_constant): When taking the address of an item in the
2995 pool, get the mode of the item addressed.
2997 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2998 contain a SET or a PARALLEL, don't consider it for conditional
3001 Restore ABI compatibility for NetBSD.
3002 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3004 (RETURN_IN_MEMORY): Likewise.
3006 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3008 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3009 (m32r_output_block_move): Rewrite bytes < 4 handling.
3011 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3013 * configure.in: Call AC_FUNC_VFORK.
3015 * collect2.c: Define VFORK_STRING as a printable string for
3016 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3017 defined, include vfork.h. If VMS is defined, define vfork()
3018 appropriately. Remove vfork check on USG, we're using autoconf.
3019 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3020 checking locally what string to pass.
3021 (scan_prog_file): Likewise.
3022 (scan_libraries): Likewise.
3024 * gcc.c: Remove vfork check on USG, we're using autoconf.
3025 Besides, no calls to vfork/fork occur in this file.
3027 * protoize.c: Likewise.
3029 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3031 * configure.in (DEFAULT_LINKER): renamed from LD
3032 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3033 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3034 * configure: rebuilt
3036 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3038 * BUGS: fix the regexp for `more' to find the appropriate node.
3039 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3041 * BUGS: added link to the WWW FAQ
3043 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3045 * version.c: Bump for snapshot.
3047 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3049 * From Christian Gafton:
3050 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3051 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3052 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3054 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3056 * c-common.c (c_get_alias_set): Allow all type-punning through
3057 unions. Don't get confused about the type of a bit-field, despite
3058 the antics of build_modify_expr.
3060 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3062 * fixinc.sco: Paramaterize #include_next values.
3063 * fixinc/fixinc.sco: Likewise.
3065 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3067 * toplev.c (rest_of_compilation): No longer set reload_completed.
3068 * reload1.c (reload): Set it here. Perform instruction splitting
3069 after reload has completed if we will be running the scheduler
3072 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3074 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3075 EH region if exceptions are enabled and we're performing cross
3077 (find_cross_jump): Exit loop if the insns are in different EH regions.
3079 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3081 * dwarf2out.c (output_call_frame_info): Use
3082 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3084 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3086 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3087 * c-common.c (check_format_info): Don't check for the 'x'
3088 format character twice, instead check for 'x' and 'X'
3090 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3092 * configure.in (assembler features): Also make gas is configured if
3093 we find it in the souce tree.
3095 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3097 * i386.c (i386_comp_type_attributes): Compare whether the
3098 attributes are defined, not their tree nodes.
3100 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3102 * configure.in (gxx_include_dir): bitten by autoconf quoting
3104 * configure: rebuilt
3106 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3108 * configure.in: Ignore non-absolute value in $AS.
3110 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3112 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3114 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3116 * configure.in (msdosdjgpp): Set exeext and target_alias.
3118 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3120 * flow.c (XNMALLOC): New macro.
3121 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3123 (add_edge, add_edge_to_label): New static functions.
3124 (free_bb_memory): New function.
3125 (flow_delete_insn): Delete function.
3126 (basic_block_drops_in): Delete variable.
3127 (find_basic_blocks): Allocate and initialize basic_block_head,
3128 basic_block_succ. Don't allocate basic_block_drops_in.
3129 Call free_bb_memory at the beginning.
3130 (find_basic_blocks_1): Don't do multiple passes.
3131 Delete code to compute basic_block_drops_in.
3132 After calling make_edges, mark blocks reached by current block live.
3133 Update test for unreachable live blocks.
3134 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3136 Simplify to call add_edge_to_label when a LABEL_REF is found.
3137 (make_edges): Simplify to call add_edge_to_label instead of
3138 mark_label_ref most of the time.
3139 Compute here whether control drops into the next block.
3140 (delete_unreachable_blocks): Return void. All callers changed.
3141 Delete unreachable blocks in reverse order.
3142 After deleting all unreachable blocks, renumber the remaining ones
3143 and update n_basic_blocks.
3144 (delete_block): Speed up deletion a bit.
3145 Don't set basic_block_drops_in for deleted blocks.
3146 (free_basic_block_vars): Don't free basic_block_drops_in.
3147 (life_analysis_1): Update to use new edge representation.
3148 (dump_flow_info): Delete code to print basic block info; call
3149 dump_bb_data instead.
3150 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3151 and uid_block_number.
3152 Simply copy the previously computed cfg.
3153 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3154 Print register lifetime information if LIVE_INFO is nonzero.
3155 * basic-block.h (dump_bb_data): Adjust prototype.
3156 * gcse.c (gcse_main): Update call to dump_bb_data.
3157 * rtl.h (free_bb_memory): Declare.
3158 * toplev.c (rest_of_compilation): Call free_bb_memory.
3160 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3161 (update_eliminable_offsets): Don't compute it.
3162 (set_initial_elim_offsets): Don't initialize it.
3163 Break out some code into set_initial_label_offsets so the rest of
3164 this function can be called from reload_as_needed.
3165 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3166 ELIMINABLE_REGS isn't.
3167 (set_initial_label_offsets): New function, broken out of
3168 set_initial_elim_offsets.
3169 (set_offsets_for_label): New function, broken out of set_label_offsets
3170 and reload_as_needed.
3171 (reload): Call the two new functions.
3172 (reload_as_needed): Call set_initial_elim_offsets instead of
3173 duplicating the code. Likewise for set_offsets_for_label.
3175 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3176 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3177 any hard reg, reg_reloaded_dead contains valid data.
3179 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3181 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3182 "stdcall" and "cdecl" attributes.
3184 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3186 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3187 handle deleted no-op moves of hard registers.
3188 * haifa-sched.c (update_flow_info): Likewise.
3190 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3192 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3193 of the sequences to reload the HILO register which do not actually
3196 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3198 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3200 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3202 * except.c (emit_eh_context): Make the EH context register stay alive
3203 at -O0 so stupid.c doesn't get confused.
3205 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3207 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3209 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3210 Jeffrey A Law (law@cygnus.com)
3212 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3213 (zero_extendsidi2): Use # in output template and handle completely by
3215 (zero_extend splitters): New define_splits.
3216 (ashiftrt_32): New pattern.
3218 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3220 * tree.c (append_random_chars): New fn.
3221 (get_file_function_name_long): Use it.
3223 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3225 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3226 (LIBCPP_OBJS): New. Add cppulp.o.
3227 (cppmain, fix-header): Depend on and use libcpp.a.
3228 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3229 of the individual object files.
3230 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3233 * cccp.c (user_label_prefix): New.
3234 (main): Set it off -f*leading-underscore.
3235 (special_symbol): Use it.
3236 * cpplib.c (special_symbol): Likewise.
3237 (cpp_handle_option): Handle -f*leading-underscore.
3238 * cppulp.c: New file.
3240 * output.h (user_label_prefix): Declare it.
3241 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3242 * toplev.c (f_options, main): Handle -f*leading-underscore.
3244 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3245 referencing USER_LABEL_PREFIX directly.
3246 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3247 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3248 * final.c (asm_fprintf): Use user_label_prefix instead.
3249 * arm/thumb.c (thumb_print_operand): Likewise.
3251 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3252 cpp wherever appropriate.
3254 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3256 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3257 specific compiler switches.
3259 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3261 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3264 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3266 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3267 structure which has exactly the members provided by EXTRA_SPECS.
3268 Xmalloc() the real `extra_specs', and initialize it from this
3269 intermediate structure.
3271 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3273 * mips.h (EXTRA_SPECS): Likewise.
3275 * sparc.h (EXTRA_SPECS): Likewise.
3277 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3279 * function.c (purge_addressof_1): Instead of aborting when a
3280 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3281 work just put the ADDRESSOF on stack. Otherwise remember all such
3282 successfull replacements, so that exactly the same replacements
3283 can be made on the REG_NOTEs. Remove the special case for CALL
3285 (purge_addressof_replacements): New variable.
3286 (purge_addressof): Clear it at end.
3288 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3290 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3291 (lang_init): Call check_newline always.
3292 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3293 cpp_start_read, set yy_cur and yy_lim to read from
3294 parse_in.token_buffer, so that we'll see the first #line
3296 * cpplib.c (cpp_start_read): finclude the main input file
3297 before processing -include/-imacros. Process -imacros and
3298 -include separately, and handle -include by stacking a
3299 buffer for the file in question as if it'd been #included.
3300 * toplev.c (documented_lang_options) Recognize -H when
3303 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3305 * cpplib.c: Merge do_once into do_pragma. Break file handling
3306 code out of do_include.
3307 Move append_include_chain, deps_output,
3308 file_cleanup, redundant_include_p, import_hash,
3309 lookup_import, add_import, read_filename_string, read_name_map,
3310 open_include_file, finclude, safe_read to cppfiles.c.
3311 Move prototypes for deps_output, append_include_chain,
3312 finclude to cpplib.h. Move definition of struct
3313 file_name_list there also.
3315 * cppfiles.c: New file. Contains all the above functions
3316 broken out of cpplib.c; also hack_vms_include_specification
3317 from cccp.c and find_include_file, a new function broken out of
3320 * Makefile.in (cppmain): Depend on cppfiles.o.
3321 (fix-header): Likewise.
3322 (cppfiles.o): New target.
3323 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3324 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3326 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3328 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3329 if pending_types is non-zero.
3330 (dwarfout_finish): Verify pending_types is zero before finishing.
3332 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3334 * expr.c (convert_move): Use shifts to perform the move if a
3335 suitable extend pattern cannot be found. Code written by
3336 Richard Henderson <rth@cygnus.com>.
3338 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3340 * regclass.c (renumber, regno_allocated): New static variables, moved
3341 out of allocate_reg_info.
3342 (allocate_reg_info): Move these two variables outside the function.
3343 Move code to free memory into new function free_reg_info.
3344 (free_reg_info): New function, broken out of allocate_reg_info.
3345 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3346 * rtl.h (allocate_reg_info): Don't declare.
3347 (free_reg_info): Declare.
3349 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3351 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3353 * toplev.c (compile_file): Temporarily revert last change.
3355 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3357 * c-typeck.c (convert_for_assignment): Parenthesize.
3359 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3361 * reload1.c (delete_output_reload): Avoid ambigous else.
3363 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3365 * toplev.c (compile_file): Call allocate_reg_info to free register
3367 * rtl.h (allocate_reg_info): Declare.
3369 * PROJECTS: Remove entry for local spilling.
3371 * final.c (cleanup_subreg_operands): New function.
3372 (final_scan_insn): Use it.
3373 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3375 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3376 operands when reload has finished.
3377 * reload.h (cleanup_subreg_operands): Declare..
3378 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3379 reload. Handled in reload itself.
3381 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3383 * reload1.c (verify_initial_offsets): New function.
3384 (reload): Call it after reload_as_needed. Also verify that the frame
3385 size stays constant during reload_as_needed.
3386 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3388 * reload.h (struct insn_chain): Add need_operand_change element.
3389 * reload1.c (new_insn_chain): Clear it.
3390 (calculate_needs_all_insns): Set it; don't overload need_reload.
3391 (reload_as_needed): Use it.
3393 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3394 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3395 and reload_address_index_reg_class.
3396 (find_reloads_address_1): Likewise.
3397 * reload.h (reload_address_base_reg_class,
3398 reload_address_index_reg_class): Don't declare.
3399 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3400 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3401 (used_spill_regs): Now static.
3402 (reload_address_base_reg_class, reload_address_index_reg_class,
3403 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3404 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3405 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3408 (init_reload): Delete code to compute base/index reg classes.
3409 (reload): Delete variable J.
3410 Delete code to manage basic_block_needs.
3411 Don't compute regs_explicitly_used.
3412 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3413 pseudo_previous_regs.
3414 Initialize bad_spill_regs_global.
3415 Don't call order_regs_for_reload here.
3416 Don't initialize spill_reg_order and n_spills.
3417 Don't forbid explicitly used regs to be used for spill regs.
3418 Change main loop to infinite loop, with explicit break statements.
3419 Make SOMETHING_CHANGED variable local to that loop.
3420 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3421 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3422 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3424 Don't call dump_needs.
3425 Delete code to reset potential_reload_regs.
3426 Delete code to terminate loop conditional on the global needs variables
3427 showing no further needs.
3428 (calculate_needs_all_insns): Return void. All callers changed.
3429 Initialize somehing_needs_elimination here, not in reload.
3430 Delete avoid_return_reg kludge.
3431 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3432 All callers changed.
3433 Initialize the group_mode and group_size elements of the arg CHAIN.
3434 Delete code to manage basic_block_needs.
3435 Operate on elements of CHAIN instead of global variables.
3436 Delete avoid_return_reg kludge.
3437 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3438 All callers changed.
3439 Operate on elements of CHAIN instead of global variables.
3440 Delete special SMALL_REGISTER_CLASSES code.
3441 Delete spill_failure code; now in new_spill_reg.
3442 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3443 All callers changed.
3444 Operate on elements of CHAIN instead of global variables.
3445 (maybe_mark_pseudo_spilled): New static function.
3446 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3447 All callers changed.
3448 Operate on elements of CHAIN instead of global variables.
3449 Call order_regs_for_reload here, not in reload.
3450 Initialize spill_reg_order and n_spills.
3451 Simplify test whether an asm insn is involved.
3452 Delete spill_failure code; now in new_spill_reg.
3453 Call maybe_mark_pseudo_spilled for everything marked as live in
3454 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3456 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3457 compiler from optimizing this function (now unused) away.
3458 Operate on elements of CHAIN instead of global variables.
3459 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3461 Operate on elements of CHAIN instead of global variables.
3462 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3463 take CHAIN arg. All callers changed.
3464 Operate on elements of CHAIN instead of global variables.
3465 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3466 CHAIN, NONGROUP args. Return void. All callers changed.
3467 Verify caller isn't trying to spill a pseudo.
3468 Simplify test for illegal reg, just use bad_spill_regs.
3469 Generate better error messages.
3470 Operate on elements of CHAIN instead of global variables.
3471 Mark spilled register in CHAIN's used_spill_regs element.
3472 Don't call spill_hard_reg.
3473 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3474 Mark spilled hard regs in bad_spill_regs_global.
3475 Mark affected pseudos in spilled_pseudos, but don't spill them.
3476 (ior_hard_reg_set): New static function.
3477 (finish_spills): Return int. All callers changed.
3478 Compute spill_reg_order, n_spills and spill_regs here. Also update
3479 regs_ever_live for regs used as spills.
3480 For every pseudo in spilled_pseudos, spill it and mark the previous
3481 hard reg it had in pseudo_previous_regs. Compute which hard regs
3482 arseudo): New static function.
3483 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3484 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3485 hard registers explicitly used across the current insn into the set.
3486 Compute hard_reg_n_uses taking only pseudos live across this insn
3488 Tweak sorting of potential_reload_regs.
3489 (compare_spill_regs): Delete function.
3490 (reload_as_needed): Don't sort the spill_regs array, it's computed
3491 in proper order in finish_spills.
3492 Delete avoid_return_reg kludge.
3493 Delete code to manage basic_block_needs.
3494 (allocate_reload_reg): Minor speed/readability tweaks.
3495 Operate on elements of CHAIN instead of global variables.
3496 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3497 Delete avoid_return_reg kludge.
3498 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3499 Delete unused label FAIL.
3500 (reload_combine): Replce reload_address_index_reg_class with
3502 Don't use used_spill_regs to determine information about lifetime of
3505 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3507 * toplev.c (display_help): Ignore empty target specific
3508 options, and if -W is also specified on the command line then
3509 display undocumented options.
3511 * config/arm/arm.c: Updated with changes in devo sources.
3512 * config/arm/arm.h: Updated with changes in devo sources.
3513 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3514 * config/arm/lib1thumb.asm: Add ELF support.
3516 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3518 * collect2.c (aix64_flag): New variable.
3519 (main, case 'b'): Parse it.
3520 (GCC_CHECK_HDR): object magic number must match mode.
3521 (scan_prog_file): Only check for shared object if valid header.
3522 Print debugging if header/mode mismatch.
3524 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3526 Added support for arm-elf-linux configuration, submitted by Philip
3527 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3528 code developed by Catherine Moore <clm@cygnus.com>. The following
3531 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3534 * configure: Regenerated.
3536 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3537 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3538 definitions conditional on their not having been already defined.
3540 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3541 and .type directives, and add "(PLT)" qualification to function
3544 * config/arm/linux.h: Deleted. This file is now superceeded by
3545 either linux-elf.h or linux-aout.h.
3547 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3548 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3550 Move definitions from old linux.h file here.
3552 * config/arm/elf.h: New file. Generic ARM/ELF support.
3554 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3556 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3558 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3559 using the 26bit APCS.
3561 * config/arm/unknown-elf.h: New file. Support for OS'es other
3562 than Linux with ELF.
3564 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3567 * config/arm/coff.h: Include aout.h for basic assembler macros.
3568 Add support for -mstructure_size_boundary=<n> command line option.
3570 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3571 command line option. Make macro definitions conditional on their
3572 not having been already defined.
3574 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3575 command line option.
3578 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3580 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3581 has been changed to not include a newline. Use this macro instead.
3582 (output_enumeral_list, const_value_attribute, name_attribute,
3583 comp_dir_attribute, prototyped_attribute, producer_attribute,
3584 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3585 dwarfout_file_scope_decl, generate_new_sfname_entry,
3586 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3587 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3589 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3591 * combine.c (subst): Process the inputs to a parallel asm_operands
3594 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3596 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3598 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3600 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3602 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3604 * version.c: Bump for snapshot.
3606 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3608 * stmt.c (expand_fixup): Set fixup->before_jump to a
3609 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3611 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3613 * Makefile.in (recog.o): Depend on toplev.h.
3614 (insn-emit.o): Depend on recog.h.
3615 (insn-peep.o): Depend on recog.h and insn-config.h.
3617 * combine.c (simplify_set): Remove unused variable `scratches'.
3619 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3620 and `idx' in macro conditional controlling their use.
3622 * genemit.c (main): Make the generated output file include
3623 recog.h. Don't have it declare `insn_operand_constraint', since
3624 we get it from recog.h.
3626 * genpeep.c (main): Make the generated output file include
3627 insn-config.h and recog.h.
3629 * recog.c: Include toplev.h.
3630 (extract_insn): Remove unused variable `p'.
3632 * regclass.c (fix_register): Add missing braces around initializer
3634 (allocate_reg_info): Move variable `i' into the scope where it is
3635 used. Change its type to `size_t'.
3637 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3639 * reload.c (push_reload): When merging reloads, make sure
3640 that reload_in_reg and reload_in are from the same reload in
3643 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3645 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3646 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3648 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3650 * loop.c (loop_has_tablejump): New variable.
3651 (prescan_loop): Scan for it.
3652 (insert_bct): Replace explicit scan with use of it.
3653 * regclass.c (regclass): Restore loop variable j.
3654 (record_reg_classes): Deterine op_types modifiers and initialize
3655 classes[i] before matching constraints. Handle matching
3658 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3660 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3663 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3665 * mips.h (EXTRA_SPECS): Add missing initializers.
3667 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3669 * sparc.h (EXTRA_SPECS): Add missing initializers.
3670 (sparc_defer_case_vector): Provide a prototype.
3672 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3673 comparing it to the result of a pointer subtraction.
3675 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3677 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3678 the argument to (unsigned char).
3680 * alpha.h (EXTRA_SPECS): Add missing initializers.
3681 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3684 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3686 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3687 (propagate_block): Delete dead code after reload.
3689 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3690 back Oct 15, 1998 change.
3691 * haifa-sched.c (update_flow_info): Likewise.
3692 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3694 * mn10200.md (truncated shift): Accept constant inputs too.
3696 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3698 * machmode.h (mode_mask_array): No longer const.
3699 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3701 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3703 * frame.c: Somewhat explain `FDE'.
3704 Suggested by Brendan Kehoe
3706 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3708 * expr.c (pending_chain): Move up.
3709 (save_expr_status): Do save pending_chain.
3710 (restore_expr_status): And restore it.
3711 * function.h (struct function): Add pending_chain.
3713 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3715 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3716 did not match the code.
3718 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3720 * regclass.c (regclass): Break out some code into new function
3721 scan_one_insn, and into regclass_init.
3722 (init_cost): New static variable, moved out of regclass.
3723 (regclass_init): Initialize it here, not in .
3724 (scan_one_insn): New static function, broken out of regclass.
3725 * recog.c (apply_change_group): Break out some code into new
3726 function insn_invalid_p.
3727 (insn_invalid_p): New static fn, broken out of apply_change_group.
3729 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3731 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3732 reg_reloaded_contents matches incremented pseudo.
3734 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3736 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3738 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3739 addressing modes with side effects. These are currently
3740 placeholders for the C4x target.
3742 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3744 * loop.c (express_from): Make sure that when generating a PLUS of
3745 a PLUS, any constant expression appears on the outermost PLUS.
3747 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3749 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3750 works if "$(srcdir)" != ".".
3752 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3754 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3755 existing SUBREG if we can, otherwise abort.
3757 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3759 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3760 `restrict' is applied to a non-pointer variable.
3762 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3764 * invoke.texi: Document -flang-isoc9x.
3766 * Makefile.in (OBJS): Add splay-tree.o.
3767 (c-common.o): Depend on rtl.h.
3768 (splay-tree.o): List dependencies and provide build rule.
3770 * rtl.h (record_alias_subset): New function.
3771 * alias.c: Include splay-tree.h.
3772 (alias_set_entry): New type.
3773 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3774 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3775 (mems_in_disjoin_alias_sets_p): New function.
3776 (alias_set_compare): Likewise.
3777 (insert_subset_children): Likewise.
3778 (get_alias_set_entry): Likewise.
3780 * tree.h (TYPE_RESTRICT): New macro.
3781 (TYPE_UNQUALIFIED): New manifest constant.
3782 (TYPE_QUAL_CONST): Likewise
3783 (TYPE_QUAL_VOLATILE): Likewise.
3784 (TYPE_QUAL_RESTRICT): Likewise.
3785 (tree_type): Add restrict_flag. Reduce count of free bits.
3786 (DECL_POINTER_ALIAS_SET): New macro.
3787 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3788 (tree_decl): Add pointer_alias_set.
3789 (build_qualified_type): New function.
3790 (build_type_variant): Define in terms of build_qualified_type.
3791 * tree.c (set_type_quals): New function.
3792 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3793 (build_type_attribute_variant): Use build_qualified_type and
3795 (build_type_variant): Rename, and modify, to become...
3796 (build_qualified_type): New function.
3797 (build_complex_type): Use set_type_quals.
3799 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3800 (C_TYPE_FUNCTION_P): Likewise.
3801 (C_TYPE_INCOMPLETE_P): Likewise.
3802 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3803 (c_apply_type_quals_to_decl): New function.
3804 (c_build_qualified_type): New function.
3805 (c_build_type_variant): Define in terms of c_build_qualified_type.
3806 (flag_isoc9x): Declare.
3807 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3808 (common_type): Change to use TYPE_QUALS.
3809 (comptypes): Likewise.
3810 (convert_for_assignment): Likewise.
3811 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3812 * c-decl.c (flag_isoc9x): Define.
3813 (c_decode_option): Handle -flang-isoc9x.
3814 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3815 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3816 * c-lex.c (init_lex): Deal with restrict.
3817 (init_lex): Don't treat restrict as a reserved word in
3818 -traditional mode, or without -flang-isoc9x.
3819 * c-lex.h (rid): Add RID_RESTRICT.
3820 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3821 equivalent to RID_RESTRICT.
3822 * c-parse.in (TYPE_QUAL): Update comment.
3823 * c-common.c: Include rtl.h.
3824 (c_find_base_decl): New function.
3825 (c_build_type_variant): Rename, and modify, to become ...
3826 (c_build_qualified_type): New function.
3827 (c_apply_type_quals_to_decl): Likewise.
3828 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3829 a particular alias set for the reference.
3830 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3832 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3834 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3835 command line switches.
3837 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3839 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3842 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3844 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3846 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3848 * regclass.c (fix_register): Add error message.
3849 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3852 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3854 * c-decl.c (warn_missing_noreturn): New global variable.
3855 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3856 (finish_function): Implement missing noreturn warning.
3858 * c-tree.h (warn_missing_noreturn): Declare extern.
3860 * invoke.texi: Document new flags.
3862 * toplev.c (documented_lang_options): Add description.
3864 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3866 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3867 loop optimization stable for the C4x.
3868 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3869 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3870 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3872 (c4x_address_conflict): Be more paranoid when packing a volatile
3873 memref in a parallel load/store.
3875 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3877 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3878 repeat_block_filler): Deleted.
3879 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3880 Condition code not set if destination register from 'c' class.
3881 (*subbqi3_carry_clobber): Fix typo.
3883 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3885 * reorg.c (steal_delay_list_from_target) Check for insns that
3886 modify the condition codes and effect the direction of the jump
3889 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3891 * function.c (purge_addressof_1): Replace call to
3892 emit_insns_before() with emit_insn_before().
3894 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3896 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3898 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3900 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3902 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3904 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3905 clobbered across calls.
3907 * loop.c (scan_loop): Be more selective about what invariants are
3908 moved out of a loop.
3910 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3912 * version.c: Bump for snapshot.
3914 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3916 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3917 static eh_context structure.
3919 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3921 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3923 (try_combine): Don't update max_scratch.
3924 * flow.c (max_scratch, num_scratch): Delete variables.
3925 (life_analysis_1): Don't initialize max_scratch.
3926 (propagate_block): Don't update max_scratch.
3927 (mark_set_1): Don't increment num_scratch.
3928 * regs.h (max_scratch): Delete declaration.
3930 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3932 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3933 is nonzero. This is temporary!
3935 * sched.c (update_flow_info): Handle death notes made invalid by
3936 instruction splitting. Partially reverts Oct 15, 1998 patch.
3937 * haifa-sched.c (update_flow_info): Likewise.
3939 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3941 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3942 if it has a nonzero DECL_INITIAL.
3944 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3946 * Makefile.in (flow.o): Depend on recog.h.
3948 * cpplib.h (directive_table): Add missing initializiers.
3949 (finclude): Change type of variable `bsize' to size_t.
3951 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3953 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3955 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3956 `int' when comparing against one.
3957 (cpp_file_line_for_message): Mark parameter `pfile' with
3959 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3961 * flow.c: Include recog.h.
3962 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3964 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3965 `f' with ATTRIBUTE_UNUSED.
3966 (reposition_prologue_and_epilogue_notes): Likewise.
3968 * genopinit.c (gen_insn): Cast argument of ctype functions to
3971 * haifa-sched.c: Include recog.h.
3972 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3973 comparing against one.
3975 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3977 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3979 (parse_ent): Likewise.
3980 (parse_input): Likewise.
3982 * optabs.c (init_libfuncs): Likewise.
3984 * protoize.c (find_rightmost_formals_list): Likewise.
3986 * recog.h (const_double_operand): Fix typo in prototype.
3988 * tlink.c (scan_linker_output): Cast the argument of ctype
3989 function to `unsigned char'.
3991 * toplev.c (check_lang_option): Cast the result of `strlen' to
3992 `int' when comparing against one.
3994 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3996 * gcse.c (dump_cuid_table): Correct typo.
3998 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4000 * toplev.c (display_help): Prepend '-m' to target specific
4002 (check_lang_option): Ignore text after end of first word of a
4003 language specific option.
4005 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4007 * reload1.c (reg_used_by_pseudo): New static variable.
4008 (choose_reload_regs): Initialize it.
4009 Use it instead of testing spill_reg_order to determine whether a
4010 pseudo is live in a hard register across the current insn.
4011 Fix a typo in a reference to reload_reg_rtx.
4013 * flow.c (propagate_block): Replace code that computes and uses
4014 regs_sometimes_live with simpler code that just walks the set of
4015 currently live registers.
4017 * Makefile.in (insn-extract.o): Fix dependencies.
4018 * genextract.c (main): Generate includes for insn-config.h and
4020 Delete generation of declarations which are now in recog.h.
4021 * genrecog.c (main): Delete generation of definitions which are
4023 * local-alloc.c (block_alloc): Use extract_insn and the variables
4024 it sets up instead of looking up values by insn_code.
4025 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4026 recog_dup_num): Define here instead of generating the definition in
4028 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4029 recog_operand_mode, recog_constraints, recog_operand_address_p):
4031 (extract_insn): New function.
4032 * recog.h (extract_insn): Declare function.
4033 (which_alternative, recog_n_operands, recog_n_dups,
4034 recog_n_alternatives, recog_operand_mode, recog_constraints,
4035 recog_operand_address_p): Declare variables.
4036 * regclass.c (n_occurrences): New static function.
4037 * reload.c (n_occurrences): Delete function.
4038 (find_reloads): Use extract_insn.
4039 * reload.h (n_occurrences): Delete declaration.
4041 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4043 * reload1.c (reload_as_needed): Fix test for when to call
4044 update_eliminable_offsets.
4046 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4048 Fix consistency problems with reg_equiv_{mem,address};
4049 Improve reload inheritance;
4051 * reload.c (reload_out_reg): New variable.
4052 (loc_mentioned_in_p, remove_address_replacements): New functions.
4053 (remove_replacements): Deleted.
4054 (push_reload): Set reload_out_reg[i].
4055 When merging, also set reload_{in,out}_reg[i], and remove
4056 duplicate address reloads.
4057 (combine_reloads): Copy reload_out_reg[i].
4058 (find_reloads): Do make_memloc substitution also when
4059 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4061 Include *recog_operand_loc in commutativity operand changes.
4062 Generate optional output reloads.
4063 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4064 processing operands. Call make_memloc in reg_equiv_address code.
4065 Set *recog_operand_loc only after processing operands, and only
4066 if replace is true. Return a value.
4067 When changing address reload types for operands that didn't get
4068 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4069 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4070 Don't emit USEs for pseudo SUBREGs when not replacing.
4071 (find_reloads_address): Do make_memloc substitution also when
4072 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4074 (find_reloads_toplev): Likewise.
4075 Call make_memloc in reg_equiv_address code.
4076 (debug_reload_to_stream): Add code to output reload_out_reg.
4077 (make_memloc): Delete local variable i, ifdefed out code, and
4078 references to memlocs and n_memlocs.
4079 (memlocs, n_memlocs): Delete.
4080 (push_secondary_reload): Clear reload_out_reg.
4081 (find_reloads_address_1): Provide memrefloc argument to all calls
4082 to find_reloads_address.
4083 In AUTO_INC code, handle non-directly addressable equivalences properly.
4084 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4085 (find_reloads): Add return type.
4086 (remove_address_replacements, deallocate_reload_reg): Declare.
4087 * reload1.c (num_not_at_initial_offset): No longer static.
4088 (delete_address_reloads, delete_address_reloads_1): Likewise.
4089 (deallocate_reload_reg): New function.
4090 (spill_reg_stored_to): New array.
4091 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4092 (eliminate_regs_in_insn): Move assignments of previous_offset and
4093 max_offset fields, and recalculation of num_not_at_initial_offset
4094 into new static function:
4095 (update_eliminable_offsets) .
4096 (reload_as_needed): Call update_eliminable_offsetss after calling
4098 Call forget_old_reloads_1 with contents of reloaded auto_inc
4099 expressions if the actual addressing can't be changed to match the
4101 (choose_reload_regs): For inheritance, replace
4102 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4103 remove stand-alone reload_reg_used_at_all test.
4104 Use reload_out_reg to determine which reload regs have output reloads.
4105 Treat reload_override_in more similar to inherited reloads.
4106 Handle (subreg (reg... for inheritance.
4107 For flag_expensive_optimizations, add an extra pass to remove
4108 unnecessary reloads from known working inheritance.
4109 Delete obsolete code for pseudos replaced with MEMs.
4110 Handle inheritance from auto_inc expressions.
4111 (emit_reload_insns): If reload_in is a MEM, set OLD to
4113 Don't reload directly from oldequiv; if it's a pseudo with a
4114 stack slot, use reload_in[j].
4115 Check that reload_in_reg[j] is a MEM before replacing reload_in
4116 from reg_reloaded_contents.
4117 Include non-spill registers in reload inheritance processing.
4118 Also try to use reload_out_reg to set spill_reg_store /
4119 reg_last_reload_reg.
4120 In code to set new_spill_reg_store, use single_set to find out if
4121 there is a single set.
4122 Add code that allows to delete optional output reloads.
4123 Add code to allow deletion of output reloads that use no spill reg.
4124 At the end, set reload_override_in to oldequiv.
4125 Also call delete_output_reload if reload_out_reg is equal to old
4127 Add code to call delete_output_reload for stores with no matching load.
4128 Set / use spill_reg_stored_to.
4129 Handle case where secondary output reload uses a temporary, but
4130 actual store isn't found.
4131 When looking for a store of a value not loaded in order to call
4132 delete_output_reload, count_occurences should return 0 for no
4133 loads; but discount inherited input reloadill_reg_stored_to.
4134 Do checks for extra uses of REG. Changed all
4136 Use delete_address_reloads.
4137 (reload): Take return value of find_reloads into account.
4138 If a no-op set needs more than one reload, delete it.
4139 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4140 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4141 for the same operand.
4142 (clear_reload_reg_in_use): Check for other reloads that keep a
4144 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4145 RELOAD_FOR_OPADDR_ADDR.
4146 Take into account when an address address reload is only needed
4147 for the address reload we are considering.
4148 (count_occurrences): Use rtx_equal_p for MEMs.
4149 (inc_for_reload): Return instruction that stores into RELOADREG.
4150 New argument two, IN, and rtx. Changed all callers.
4151 (calculate_needs_all_insns, reload_as_needed):
4152 Don't clear after_call for a CLOBBER.
4153 Keep track of how many hard registers need to be copied from
4154 after_call, and don't clear after_call before we have seen
4155 that much copies, or we see a different instruction.
4157 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4159 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4160 after reload has completed.
4162 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4164 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4165 a macro name and the next token with a single blank if that whitespace
4166 is in a macro buffer and the next token is not '('.
4168 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4170 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4172 (skip_if_group): Ditto.
4173 (skip_to_end_of_comment): Ditto.
4175 (discard_comments): Ditto.
4176 (change_newlines): Ditto.
4178 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4180 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4182 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4184 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4185 (TARGET_OPTIONS): Add --help documentation.
4187 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4189 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4191 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4193 * fixinc/* Moved in from ../contrib directory in preparation
4194 for integrating it into the normal build process. In particular,
4195 fixinc/Makefile.in must be config-ed into the build directory
4196 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4197 ./configure.in will be "in the mail" momentarily.
4199 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4201 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4202 accidently walk into the free list. Comment how that can happen.
4203 (invalidate): Fix indentation.
4205 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4206 Jeffrey A Law (law@cygnus.com)
4208 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4209 reload. Never perform rescans of the insn chain after reload.
4210 (propagate_block): Do not delete insn or create new autoinc addressing
4213 * jump.c (jump_optimize): Unconditionally use the code that was
4214 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4215 * reload1.c (reload): When reloading is finished, delete all
4216 REG_DEAD and REG_UNUSED notes.
4217 (emit_reload_insns): Delete all code that was conditional on
4218 PRESERVE_DEATH_INFO_REGNO_P.
4219 (no_longer_dead_regs): Delete variable.
4220 (reload_cse_delete_death_notes): Delete function.
4221 (reload_cse_no_longer_dead): Delete function.
4222 (reload_cse_regs_1): Delete all code to handle deletion of death
4224 (reload_cse_noop_set_p): Likewise.
4225 (reload_cse_simplify_set): Likewise.
4226 (reload_cse_simplify_operands): Likewise.
4227 (reload_cse_move2add): Likewise.
4228 * reorg.c (used_spill_regs): Delete declaration.
4229 (max_label_num_after_reload): Delete declaration.
4230 (find_dead_or_set_registers): Don't assume that spill regs are
4231 dead at a CODE_LABEL.
4232 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4234 * sched.c (sched_analyze_insn): Likewise.
4235 (update_flow_info): Likewise.
4236 * haifa-sched.c (sched_analyze_insn): Likewise.
4237 (update_flow_info): Likewise.
4238 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4239 * toplev.c (max_label_num_after_reload): Delete variable.
4240 (rest_of_compilation): Don't set max_label_num_after_reload.
4241 Call life_analysis after reload_cse_regs if optimizing.
4242 * config/gmicro/gmicro.h: Delete comment referring to
4243 PRESERVE_DEATH_INFO_REGNO_P.
4244 * config/i386/i386.h: Likewise.
4245 * config/m88k/m88k.h: Likewise.
4246 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4247 * config/sh/sh.h: Likewise.
4249 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4251 * loop.c (strength_reduce): Restore marking bct_p as
4253 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4254 HAVE_decrement_and_branch_on_count.
4255 (small_data_operand): Remove TARGET_ELF condition for marking
4256 parameters ATTRIBUTE_UNUSED.
4258 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4260 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4261 (SELECT_SECTION): Resync with svr4.h.
4263 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4265 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4268 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4270 * c-pragma.c (handle_pragma_token): Test for null tree before
4271 dereferencing TREE_CODE.
4273 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4275 * config/c4x/c4x.c: Convert to use GEN_INT.
4276 (c4x_parallel_process): Rework to handle new repeat loop structure.
4278 * config/c4x/c4x.md: Convert to use GEN_INT.
4279 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4280 (decrement_and_branch_on_count): Likewise.
4282 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4283 loop.c has the desired functionality.
4284 (rc_reg_operand): New prototype.
4286 * config/c4x/t-c4x: Can now build all front ends.
4288 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4290 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4292 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4294 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4295 * config/t-rtems: Do not install assert.h -- use newlib's.
4297 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4299 * combine.c (combine_instructions): When finished, call init_recog.
4300 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4302 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4304 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4306 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4308 * cppalloc.c (memory_full): Mark function prototype with
4311 * demangle.h (collect_exit): Likewise.
4313 * fix-header.c (v_fatal, fatal): Likewise.
4315 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4318 * gcov.c (print_usage): Likewise.
4320 * genattr.c (fatal, fancy_abort): Likewise.
4322 * genattrtab.c (fatal, fancy_abort): Likewise.
4324 * gencodes.c (fatal, fancy_abort): Likewise.
4326 * genconfig.c (fatal, fancy_abort): Likewise.
4328 * genemit.c (fatal, fancy_abort): Likewise.
4330 * genextract.c (fatal, fancy_abort): Likewise.
4332 * genflags.c (fatal, fancy_abort): Likewise.
4334 * genopinit.c (fatal, fancy_abort): Likewise.
4336 * genoutput.c (fatal, fancy_abort): Likewise.
4338 * genpeep.c (fatal, fancy_abort): Likewise.
4340 * genrecog.c (fatal, fancy_abort): Likewise.
4342 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4343 __sjpopnthrow, __throw): Likewise.
4345 * objc/objc-act.c (objc_fatal): Likewise.
4347 * protoize.c (usage, aux_info_corrupted,
4348 declare_source_confusing): Likewise.
4350 * rtl.c (dump_and_abort): Likewise.
4352 * rtl.h (sets_cc0_p): Likewise.
4354 * toplev.c (float_signal, pipe_closed): Likewise.
4356 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4358 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4359 when generating the decision tree for the general case.
4361 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4362 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4364 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4366 * Makefile.in (sched.o): Depend on recog.h.
4368 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4369 (unsigned) when comparing against one.
4370 (find_base_value): Likewise.
4371 (record_base_value): Cast variable `regno' to (unsigned) when
4372 comparing against one. Cast the result of REGNO() macro to
4373 (unsigned) when comparing against one.
4374 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4376 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4377 variable where an unsigned index is needed.
4379 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4380 before comparing against one.
4382 * collect2.c: Add prototypes for functions `error', `fatal' and
4383 `fatal_perror'. Make these functions take variable arguments
4384 instead of faking it with a fixed number of args.
4385 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4388 * combine.c (can_combine_p): Mark parameter `pred' with
4390 (find_split_point): Cast variable `src' to (unsigned
4391 HOST_WIDE_INT) when comparing against one.
4392 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4393 (simplify_logical): Likewise.
4394 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4395 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4396 HOST_WIDE_INT) in shift.
4397 (simplify_and_const_int): Cast result of INTVAL() macro to
4398 `unsigned HOST_WIDE_INT' when comparing against one.
4399 (merge_outer_ops): Cast variable const0 to `unsigned
4400 HOST_WIDE_INT' when comparing against the result of
4401 GET_MODE_MASK() macro.
4402 (simplify_comparison): Likewise for variable `c0'. Cast variable
4403 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4404 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4405 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4406 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4407 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4408 comparing against one.
4409 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4411 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4412 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4413 (output_block_move): Cast `sizeof' expression to (int) when
4414 comparing against one.
4415 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4417 (save_restore_insns): Cast `base_offset' to `long' to match format
4418 specifier in fprintf.
4420 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4421 to `enum machine_mode'.
4423 * flow.c (life_analysis_1): Remove unused variable `insn'.
4425 * gcc.c (translate_options): Move variables `j' and `k' into the
4426 scope in which they are used. Change their types to `size_t'.
4427 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4428 (read_specs): Likewise.
4429 (process_command): Cast `sizeof' to (int) when comparing against one.
4430 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4431 (handle_braces): Cast both sides of `==' expression to `long' to
4432 ensure sign matching.
4433 (main): Cast variable `i' to `int' when comparing against one.
4435 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4436 int to size_t. Cast variable `i' to size_t when comparing against
4439 * genattrtab.c (convert_set_attr_alternative): Remove unused
4440 parameter `insn_code'. All callers changed.
4441 (convert_set_attr): Likewise.
4443 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4444 size_t when comparing against one. Likewise for variable `len'.
4446 * global.c (global_alloc): Cast variable `max_regno' to size_t
4447 when comparing against one. Likewise for variable `max_allocno'.
4449 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4451 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4452 `set' with ATTRIBUTE_UNUSED.
4453 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4456 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4457 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4458 (get_condition): Cast variable `const_val' to `unsigned
4459 HOST_WIDE_INT' when comparing against one. Cast unsigned
4460 expression to HOST_WIDE_INT when comparing against one.
4461 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4462 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4463 `unsigned' when comparing against one.
4465 * protoize.c (is_id_char): Change type of parameter `ch' to
4467 (munge_compile_params): Cast argument of ctype macro to (const
4469 (process_aux_info_file): Cast variable `aux_info_size' to int when
4470 comparing against one.
4471 (forward_to_next_token_char): Cast argument of ctype macro to
4472 `const unsigned char'.
4473 (edit_formals_lists): Likewise.
4474 (find_rightmost_formals_list): Likewise.
4475 (add_local_decl): Likewise.
4476 (add_global_decls): Likewise.
4477 (edit_fn_definition): Likewise.
4478 (do_cleaning): Likewise.
4479 (scan_for_missed_items): Likewise.
4480 (edit_file): Cast variable `orig_size' to (int) when comparing
4482 (main): Cast argument of ctype macro to `const unsigned char'.
4484 * recog.c (const_int_operand): Mark parameter `mode' with
4487 * regclass.c (record_reg_classes): Change type of variable `c' to
4488 `unsigned char'. Cast `char' array index to `unsigned char'.
4490 * reload.c (push_secondary_reload): Cast argument to
4491 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4493 * reload1.c (calculate_needs): Cast `char' array index to
4495 (set_label_offsets): Change type of variable `i' to unsigned int.
4496 Cast result of XVECLEN() macro to unsigned when comparing against
4498 (mark_not_eliminable): Change type of variable `i' to unsigned.
4499 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4500 when comparing against one.
4501 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4502 comparing against one.
4503 (choose_reload_regs): Hide unused label `fail'.
4504 (reload_cse_simplify_operands): Cast `char' array index to
4506 (reload_combine_note_store): Mark parameter `set' with
4507 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4509 (reload_cse_move2add): Remove unused variable `src2'.
4511 * sched.c: Include recog.h.
4512 (sched_note_set): Remove unused parameter `b'. All callers
4514 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4515 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4516 when comparing against one.
4518 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4519 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4520 comparing against one.
4522 * unroll.c (precondition_loop_p): Remove unused parameter
4523 `loop_end'. All callers changed.
4525 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4527 * reload1.c (maybe_fix_stack_asms): New static function.
4530 * reload.h (compute_use_by_pseudos): Declare.
4532 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4533 (something_needs_reloads): Delete variable.
4534 (finish_spills): New function.
4535 (compute_use_by_pseudos): New function.
4537 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4538 Use the reload_insn_chain instead of walking the rtl directly.
4540 (reload): Allocate and free spilled_pseudos.
4541 Ensure that all calls of spill_hard_reg are followed by a call to
4543 Use the insns_need_reload list instead of something_needs_reloads
4544 to find out if reload_as_needed must be called.
4545 Clear unused_insn_chains at the end.
4547 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4549 Delete code to keep track of current basic block.
4550 Walk reload_insn_chain instead of the rtl structure. Build the
4551 insns_need_reload chain.
4552 Remember which insns need reloading/elimination by setting the
4553 appropriate fields in struct insn_chain, not by putting modes on the
4556 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4557 arg INSN. All callers changed.
4558 Delete declaration of struct needs.
4559 Don't set something_needs_reloads.
4560 Record insn needs in the CHAIN argument.
4562 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4564 (reload_as_needed): Lose FIRST arg. All callers changed.
4565 Walk the reload_insn_chain instead of the rtx structure.
4566 Delete code to keep track of current basic block.
4567 Rename one of the NEXT variables to OLD_NEXT.
4569 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4571 (choose_reload_regs): Likewise.
4573 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4576 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4577 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4578 (hard_regs_live, hard_regs_need_restore): Delete variables.
4579 (n_regs_saved): Now static.
4580 (referenced_regs, this_insn_sets): New variables.
4582 (setup_save_areas): Restructure the code a bit.
4584 (restore_referenced_regs): Delete function.
4585 (mark_referenced_regs): New function, similar to the old
4586 restore_referenced_regs, but mark registers in referenced_regs.
4588 (clear_reg_live): Delete function.
4589 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4590 Only mark registers in this_insn_sets.
4592 (save_call_clobbered_regs): Rework this function to walk the
4593 reload_insn_chain instead of using the list of instructions directly.
4594 Delete code to keep track of register lives, compute live regs on the
4595 fly from information in the chain.
4596 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4597 then walk the set it computes and call insert_restore as appropriate.
4599 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4601 Restructure the code a bit. Test hard_regs_saved instead of
4602 hard_regs_need_restore.
4603 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4604 args. All callers changed.
4605 Restructure the code a bit. Use TO_SAVE to determine which regs to
4606 save instead of more complicated test.
4607 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4609 Create a new insn_chain structure for the new insn and place it
4612 * rtl.texi: Update documentation to reflect that reload no longer
4613 puts modes on the insns.
4615 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4617 * function.c (purge_addressof_1): Force the first argument of a
4618 CALL insn to memory.
4620 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4622 * rtl.h: Delete duplicate prototypes. Add some missing
4624 * rtlanal.c: (for_each_rtx): Formatting tweak.
4626 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4628 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4629 to be compatible with TI compiler.
4631 * Makefile.in (USER_H): Add va-c4x.h to definition.
4633 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4635 * function.c (purge_addressof_1): Fix typo in inequality: do
4636 bitfield optimization for equal mode sizes.
4637 * expmed.c (store_bit_field): Don't take subregs of subregs in
4638 the movstrict case. Tidy a potential problem in the multi-word case.
4639 (extract_bit_field): Likewise.
4641 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4643 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4645 Compute max_uid_for_flow by calling get_max_uid after the scan.
4646 (find_basic_blocks_1): Don't emit NOPs here.
4648 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4650 * alias.c (base_alias_check): Accept new args for the modes of the
4651 two references. Use them to determine if an AND can overlap. Update
4653 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4654 to determine if an AND can overlap.
4656 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4658 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4659 check. Add comment to document problems with TARGET_SUN_FPA version
4661 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4663 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4665 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4667 * c-common.c (print_char_table): Add missing initializers.
4668 (scan_char_table): Likewise.
4669 (time_char_table): Likewise.
4671 * c-decl.c (c_decode_option): Mark parameter `argc' with
4673 (declare_parm_level): Mark parameter `definition_flag' with
4676 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4677 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4680 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4682 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4684 (expand_call): Cast result of MIN() to (unsigned int) when
4685 comparing against an unsigned value.
4687 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4689 (make_definition): Remove unused parameter `op'. All callers
4691 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4692 comparing against the result of pointer arithmetic.
4694 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4695 when comparing against one.
4697 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4698 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4700 (output_die): Move variable `i' into the scope in which it is
4701 used. Change its type to `unsigned'.
4702 (output_die): Cast the result of `strlen' to (int) when passing it
4703 to ASM_OUTPUT_ASCII().
4704 (output_pubnames): Likewise.
4705 (output_line_info): Likewise.
4707 * emit-rtl.c (global_rtl): Add missing initializers.
4709 * explow.c (promote_mode): Mark parameter `for_call' with
4712 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4713 `unsigned HOST_WIDE_INT' when comparing against one.
4714 (synth_mult): Change type of variable `cost' to int.
4715 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4717 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4718 when comparing against one.
4719 (get_inner_reference): Change variable `alignment' to unsigned.
4720 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4721 int) when comparing against one.
4722 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4724 * fold-const.c (div_and_round_double): Cast BASE to
4725 (HOST_WIDE_INT) when comparing against one.
4727 * gencheck.c: Include gansidecl.h.
4728 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4730 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4731 `tcode' with ATTRIBUTE_UNUSED.
4733 * real.c (edivm): Cast constant value to (unsigned long) in
4734 expression compared against an unsigned value.
4736 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4737 comparing against one.
4738 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4739 when comparing against one.
4741 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4742 (unsigned int) when comparing against one. Likewise for
4744 (smallest_mode_for_size): Likewise.
4745 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4746 (restore_storage_status): Likewise.
4748 * toplev.c (debug_args): Add missing initializer.
4749 (f_options): Spelling correction. Add missing initializers.
4750 (documented_lang_options): Likewise.
4751 (debug_end_source_file): Mark parameter `lineno' with
4754 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4755 `decl' and `type' with ATTRIBUTE_UNUSED.
4757 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4758 when comparing against one.
4759 (assemble_variable): Mark parameter `top_level' with
4761 (assemble_external_libcall): Mark parameter `fun' with
4763 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4766 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4768 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4769 Replace use of r5 with use of r19.
4771 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4773 * config/v850/v850.c (compute_register_save_size): Allow for the
4774 fact that helper functions save all registers, not just those used
4777 Replace constant 31 with macro LINK_POINTER_REGNUM.
4779 * config/v850/v850.md: Use 'indirect_operand' rather than
4780 'memory_operand' for bit test/set/clear patterns.
4782 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4784 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4785 * varasm.c (assemble_start_function et al): Don't call
4786 ASM_GLOBALIZE_LABEL for weak symbols.
4788 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4790 * cse.c (equiv_constant): Check for NULL return from
4791 gen_lowpart_if_possible().
4793 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4795 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4797 * collect2.c (main): Pass -EL/-EB through to the compiler.
4799 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4801 * expr.c (push_block): Handle targets where the stack grows
4802 to higher addresses, but args grow to lower addresses and
4803 ACCUMULATE_OUTGOING_ARGS is not defined.
4805 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4807 * config/v850/v850.c (print_operand): Extend meaning
4808 of 'c' operands to support .vtinherit.
4810 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4812 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4813 Added ATTRIBUTE_UNUSED to unused function arguments.
4814 (rc_reg_operand): New predicate.
4815 (c4x_rptb_insert): New function.
4816 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4817 (c4x_optimization_options): New function.
4819 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4820 (decrement_and_branch_on_count): New pattern.
4821 (rptb_top): Modified pattern to work with BCT optimization.
4823 * config/c4x/c4x.h (RC_REG): New register class.
4824 (rc_reg_operand): Define prototype.
4825 (IS_RC_REG): New macro.
4826 (IS_RC_OR_PSEUDO_REG): New macro.
4827 (IS_RC_OR_PSEUDO_REGNO): New macro.
4828 (OPTIMIZATION_OPTIONS): Define.
4830 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4832 * collect2.c (extract_init_priority): No priority is 65535.
4834 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4836 * Makefile.in (build_tooldir): new variable, same as old
4837 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4838 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4839 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4841 * configure.in (gxx_include_dir): set default based on unlibsubdir
4842 * Makefile.in (tooldir): ditto
4843 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4844 gxx_include_dir, includedir and tooldir
4845 (protoize.o, unprotoize.o): ditto
4847 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4849 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4851 * config/arm/thumb.c (thumb_override_options): Add warning about
4852 PIC code not being supported just yet.
4854 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4856 * flow.c: Update comment.
4857 (notice_stack_pointer_modification): New static function.
4858 (record_volatile_insns): Use it.
4859 (mark_regs_live_at_end): Mark the stack pointer as alive
4860 at the end of the function if current_function_sp_is_unchanging
4862 (life_analysis_1): Set current_function_sp_is_unchanging.
4863 * function.c: Define it.
4864 (init_function_start): Initialize it.
4865 * output.h: Declare it.
4866 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4867 the stack pointer as alive at the end of the function if
4868 current_function_sp_is_unchanging is set.
4869 * i386.c (ix86_epilogue): Optimize the restoring
4870 of the stack pointer.
4872 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4874 * version.c: Bump for snapshot.
4876 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4878 * c-pragma.c (handle_pragma_token): If passed a token instead
4879 of a tree, use that as the pack value.
4881 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4883 * flow.c (find_basic_blocks_1): Fix prototype.
4885 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4887 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4888 (struct tree_decl): New fields no_check_memory_usage.
4889 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4890 (init_attributes): Register it as a new attribute.
4891 (decl_attributes): Set flags on functions given that attribute.
4892 * c-decl.c (duplicate_decls): Merge new attribute.
4893 * expr.h (current_function_check_memory_usage): Declare new var.
4894 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4895 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4896 current_function_check_memory_usage.
4897 * function.h: Add field to struct function.
4898 * function.c (current_function_check_memory_usage): Define it.
4899 (push_function_context_to, pop_function_context_from): Save and
4901 (expand_function_start): Set it, based on global flag and function
4904 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4905 check non-automatic variables, to permit detection of writes to
4906 read-only locations in embedded systems without memory management.
4907 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4908 when emitting chkr_set_right_libfunc call, even if the argument is
4909 BLKmode or variable-sized; don't abort.
4911 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4912 symbols in Pmode, not VOIDmode.
4914 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4916 * cppexp.c: When forcing unsigned comparisons, cast both sides
4919 * cpphash.h: Move static declaration of hashtab[]...
4920 * cpphash.c: ...here.
4922 * cpplib.c: Cast difference of two pointers to size_t before
4923 comparing it to size_t. Cast signed to unsigned
4924 before comparing to size_t. (FIXME: struct argdata should use
4925 unsigned buffer sizes.)
4926 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4927 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4928 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4929 size_t before comparison.
4931 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4933 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4934 (find_basic_blocks_1): Similarly.
4935 * output.h (find_basic_blocks): Fix prototype.
4936 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4937 find_basic_blocks anymore.
4939 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4941 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4942 (sbitmap_free, sbitmap_vector_free): New macros.
4943 * output.h (rtl_dump_file): Declare.
4945 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4947 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4949 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4951 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4953 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4954 (divide): Remove unused variable `tmp'.
4955 (si_to_float): Cast numeric constant to (SItype) before comparing
4958 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4960 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4961 * gcc.c (add_preprocessor_option): Correct typo when allocating
4962 memory, sizeof() argument had one too many `*'.
4963 (add_assembler_option): Likewise.
4964 (add_linker_option): Likewise.
4965 * gcov.c (output_data): Likewise.
4966 * local-alloc.c (memref_used_between_p): Likewise.
4967 (update_equiv_regs): Likewise.
4968 * loop.c (strength_reduce): Likewise.
4969 * reg-stack.c (record_asm_reg_life): Likewise.
4970 (subst_asm_stack_reg): Likewise.
4971 * reorg.c (dbr_schedule): Likewise.
4973 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4975 * flow.c (life_analysis_1): Break out some functions.
4976 (find_basic_blocks_1): Likewise. Also move some variables out and
4978 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4979 new static var nonlocal_label_list with it.
4980 (active_eh_region, nested_eh_region, label_value_list,
4981 nonlocal_label_list): New static variables.
4982 (make_edges, delete_unreachable_blocks, delete_block): New static
4983 functions, broken out of find_basic_blocks_1.
4984 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4985 noop_move_p): New static functions, broken out of life_analysis_1.
4987 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4989 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4990 Take extra care for op0 now possibly being a subreg.
4991 (extract_bit_field): Likewise.
4992 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4993 the reg to memory if there is no equal sized integral mode.
4994 * stor-layout.c (int_mode_for_mode): New function.
4995 * machmode.h: Prototype it.
4997 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4999 * global.c (build_insn_chain): Verify no real insns exist past the
5000 end of the last basic block, then exit the loop.
5002 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5004 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5006 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5008 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5010 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5012 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5014 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5016 * flow.c (find_basic_blocks): Correctly determine when a call
5017 is within an exception region.
5019 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5021 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5023 * cpplib.h: Protect from multiple inclusions.
5024 * cpplib.c: Fix minor formatting problems.
5026 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5028 * jump.c (jump_optimize): Revert accidental patch.
5030 * Makefile.in (cpplib.o): Use unlibsubdir.
5032 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5034 * loop.c (get_condition): Allow combine when either compare is
5037 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5039 * version.c: Bump for snapshot.
5041 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5043 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5044 (init_lex): Initialize ridpointers[RID_BYREF].
5045 * c-lex.h (enum rid): Add RID_BYREF.
5046 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5047 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5048 (encode_type_qualifiers): Similarly
5049 * c-gperf.h: Rebuilt.
5051 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5053 * c-common.c (type_for_mode): Only return TItype nodes when
5054 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5055 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5056 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5057 (init_decl_processing): Only create TItype nodes when
5058 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5059 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5060 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5062 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5064 * stmt.c (n_occurrences): New static function.
5065 (expand_asm_operands): Verify that all constrains match in the
5066 number of alternatives.
5067 Verify that '+' or '=' are at the beginning of an output constraint.
5068 Don't allow '&' for input operands.
5069 Verify that '%' isn't written for the last operand.
5070 * reload.c (find_reloads): Abort if an asm is found with invalid
5071 constraints; all possible problems ought to be checked for earlier.
5073 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5075 * flags.h (flag_branch_on_count_reg): Always declare
5076 * toplev.c (flag_branch_on_count_reg): Likewise.
5077 * toplev.c: Fix typos.
5079 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5082 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5084 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5086 (find_basic_blocks_1): Add a nop to the end of a basic block when
5087 a trailing call insn does not have abnormal control flow.
5088 * gcse.c (pre_transpout): New variable.
5089 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5090 (compute_pre_transpout): Calculate it.
5091 (compute_pre_ppinout): Use it to eliminate impossible placements
5092 due to abnormal control flow through calls.
5093 (compute_pre_data): Call compute_pre_transpout.
5095 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5097 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5099 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5101 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5102 and matching define_insns): Tack on a `use' of the table label, so
5103 flow analysis will recognize a tablejump.
5105 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5107 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5108 always end basic blocks for abnormal edge reasons.
5110 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5112 * config/i386/i386.h: Remove definition of
5113 HANDLE_PRAGMA_PACK_PUSH_POP.
5115 * config/i386/go32.h: Add definition of
5116 HANDLE_PRAGMA_PACK_PUSH_POP.
5118 * config/i386/win32.h: Add definition of
5119 HANDLE_PRAGMA_PACK_PUSH_POP.
5121 * config/i386/cygwin32.h: Add definition of
5122 HANDLE_PRAGMA_PACK_PUSH_POP.
5124 * c-pragma.c (insert_pack_attributes): Do not insert
5125 attributes unless #pragma pack(push,<n>) is in effect.
5127 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5129 * expr.c (emit_group_store): Handle a PARALLEL destination.
5131 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5133 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5134 the new insns before the argument regs are loaded.
5136 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5138 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5139 (c-parse.gperf): Update comments describing invocation flags.
5140 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5142 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5144 * reload1.c (reload): Call free before clobbering the memory
5145 locations or constants pointers.
5147 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5149 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5150 for efficiency by checking whether we need to modify the current
5151 stack permission at all.
5152 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5153 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5154 __enable_execute_stack libcall here too if
5155 TRANSFER_FROM_TRAMPOLINE is defined.
5156 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5159 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5161 * Makefile.in (DRIVER_DEFINES): Remove last change.
5163 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5165 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5166 insns we're going to copy.
5167 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5169 * loop.c (count_one_set): Add prototype.
5171 * caller-save.c (restore_referenced_regs): Lose mode argument.
5172 (insert_save): Lose mode argument.
5173 (insert_restore): Lose mode argument.
5174 (insert_one_insn): Lose mode argument.
5175 (save_call_clobbered_regs): Lose mode argument.
5176 (setup_save_areas): Take no argument and return void. All callers
5178 Don't verify validity of memory addresses.
5179 * reload.h (setup_save_ares): Adjust prototype.
5180 (save_call_clobbered_regs): Likewise.
5181 * reload1.c (delete_caller_save_insns): New function.
5182 (caller_save_spill_class): Delete variable.
5183 (caller_save_group_size): Delete variable.
5184 (reload): Call setup_save_areas and save_call_clobbered_regs
5185 in the main loop, before calling calculate_needs_all_insns.
5186 Don't call save_call_clobbered_regs after the loop.
5187 Call delete_caller_save_insns at the end of an iteration if
5189 Delete code to manage caller_save_spill_class.
5190 Emit the final note before setting reload_first_uid.
5191 Simplify test that determines whether reload_as_needed gets run.
5192 (calculate_needs): Delete code to manage caller_save_spill_class.
5194 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5196 * collect2.c (main): Initialize ld_file_name.
5198 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5200 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5201 check for flag_function_sections.
5203 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5205 * cse.c (insert_regs): Fix bug in Sep 24 change.
5207 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5209 * flags.h (flag_dump_unnumbered): Declare.
5210 * toplev.c (flag_dump_unnumbered): Don't declare.
5211 * print-rtl.c (flags.h): Include.
5212 (print_rtl_single): Add return value.
5213 * rtl.h (print_rtl_single): Update declaration.
5214 * flow.c (flag_dump_unnumbered): Don't declare.
5215 (print_rtl_with_bb): Use return value of print_rtl_single.
5217 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5219 * loop.c (count_one_set): New static function, broken out of
5221 (count_loop_regs_set): Call it.
5222 * global.c (mark_reg_store): Handle clobbers here by not calling
5224 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5225 is in fact a clobber.
5226 * integrate.c (process_reg_param): New function, broken out of
5227 expand_inline_function.
5228 (expand_inline_function): Call it.
5231 * i386.md (addsidi3_1): Delete unused variable temp.
5232 (addsidi3_2): Likewise.
5233 (clstrstrsi): Delete unused variable addr1.
5235 * rtl.h: Don't declare any functions also declared in recog.h.
5237 * Makefile.in (stupid.o): Update dependencies.
5238 (global.o): Likewise.
5240 * global.c: Include reload.h
5241 (reg_becomes_live): New function.
5242 (reg_dies): New function.
5243 (build_insn_chain): New function.
5244 (global_alloc): Call build_insn_chain before calling reload.
5246 * reload.h (struct needs): New structure definition.
5247 (struct insn_chain): Likewise.
5248 (reload_insn_chain): Declare variable.
5249 (new_insn_chain): Declare function.
5252 * reload1.c (reload_startobj): New variable.
5253 (reload_insn_chain): New variable.
5254 (unused_insn_chains): New variable.
5255 (new_insn_chain): New function.
5256 (init_reload): Initialize reload_startobj, not reload_firstobj.
5257 (reload): Initialize reload_firstobj.
5258 Before returning, free everything on the reload_obstack.
5260 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5261 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5262 current_chain): New variables.
5263 (reg_where_born): Delete variable.
5264 (REG_WHERE_BORN): New macro.
5265 (find_clobbered_regs): New function.
5266 (stupid_life_analysis): Don't allocate/free reg_where_born.
5267 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5268 reg_where_dead_chain.
5269 Use REG_WHERE_BORN instead of reg_where_born.
5270 While processing the insns, build the reload_insn_chain with
5271 information about register lifetimes.
5272 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5273 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5275 Compute and information about birth and death of pseudo registers in
5276 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5277 Delete code to set elements of reg_where_born.
5279 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5281 * tree.def (GOTO_EXPR): Modified documentation.
5282 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5285 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5287 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5288 loop_final_value, loop_comparison_code): No longer static.
5289 (unroll_loop): Delete loop_start_value update.
5290 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5291 loop_final_value, loop_comparison_code): Extern.
5292 (loop_start_value): Delete extern.
5293 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5294 loop_comparison_value, loop_comparison_code): Delete.
5295 (loop_optimize): Remove initialization for deleted variables.
5296 (strength_reduce): Delete analyze_loop_iterations call. Only call
5297 insert_bct if flag_branch_count_on_reg set.
5298 (analyze_loop_iterations): Delete.
5299 (insert_bct): Remove iteration count calculation. Move checks for
5300 viable BCT optimization to here. Obtain iteration count from
5301 loop_iterations and correct for unrolling. Check for enough
5302 iteration to be beneficial. Comment out runtime iteration count
5304 (insert_bct): Print iteration count in dump file. Remove
5305 loop_var_mode and use word_mode directly.
5307 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5308 * rs6000.c (rs6000_override_options): Use it.
5309 (optimization_options): Enable use of flag_branch_on_count_reg.
5310 * rs6000.md (define_function_unit): Describe 604e.
5312 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5314 * loop.c (move_movables): Corrected threshold calculation for
5315 moved_once registers.
5317 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5319 * loop.c (combine_givs_p): Fix test for identical givs.
5321 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5323 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5324 call abort if the function is already defined.
5326 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5328 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5329 truncation is not a no-op.
5331 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5333 * version.c: Bump for snapshot.
5335 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5337 * version.c: Bump for snapshot.
5339 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5341 * expmed.c (expand_divmod): Don't widen for computing remainder
5342 if we seem to have a divmod pattern for needed mode.
5344 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5346 * cpplib.c (macroexpand): Correct off-by-one error in handling
5349 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5351 * combine.c (expand_field_assignment): Don't do bitwise operations
5352 on MODE_FLOAT; pun to MODE_INT if possible.
5354 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5355 scott snyder <snyder@d0sgif.fnal.gov>
5357 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5358 linker. Recognize mangled names in quotes.
5360 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5362 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5363 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5364 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5365 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5367 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5369 * function.c (purge_addressof_1): If trying to take a sub-word
5370 integral piece of a floating point mode, put it on the stack.
5372 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5374 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5376 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5378 * PROJECTS: Remove template friends.
5380 * collect2.c (sort_ids): Remove unused variable.
5382 * tm.texi (MATH_LIBRARY): Document.
5383 (NEED_MATH_LIBRARY): Remove.
5385 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5386 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5388 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5390 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5391 last_end to 0x7fffffff.
5393 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5395 * function.c (purge_addressof_1): Do not perform endianness
5396 corrections on bitpos, who we call will do it for us.
5398 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5400 * h8300.c (WORD_REG_USED): Fix typo.
5401 (initial_offset): Use WORD_REG_USED.
5403 * h8300.c (handle_pragma): Fix typo.
5405 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5407 * caller-save.c (insert_save_restore): Break this function up
5408 into new functions insert_restore, insert_save and insert_one_insn.
5409 All callers changed.
5410 (insert_restore): New function, mostly broken out of
5411 insert_save_restore.
5412 (insert_save): Likewise.
5413 (insert_one_insn): Likewise.
5414 (restore_referenced_regs): New argument BLOCK. All callers changed.
5415 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5416 in this function, do it in insert_one_insn instead.
5418 * reload1.c (reload): Break out some more pieces into separate
5420 (dump_needs): New function, broken out of reload.
5421 (set_initial_elim_offsets): Likewise.
5422 (init_elim_table): Likewise.
5423 (update_eliminables): Likewise.
5425 * global.c (global_alloc): Delete code to manage the scratch_list.
5426 * local-alloc.c (qty_scratch_rtx): Delete.
5427 (scratch_block): Delete.
5428 (scratch_list): Delete.
5429 (scratch_list_length): Delete.
5430 (scratch_index): Delete.
5431 (alloc_qty_for_scratch): Delete.
5432 (local-alloc): Update initialization of max_qty.
5433 Delete code to manage the scratch list.
5434 Delete code to allocate/initialize qty_scratch_rtx.
5435 (block_alloc): Don't allocate quantities for scratches.
5436 Delete code to manage the scratch list.
5437 * regs.h (scratch_list): Delete declaration.
5438 (scratch_block): Delete declaration.
5439 (scratch_list_length): Delete declaration.
5440 * reload1.c (reload): Delete code to manage the scratch list.
5441 (spill_hard_reg): Likewise.
5442 (mark_scratch_live): Delete.
5444 * recog.c (alter_subreg): Delete declaration.
5446 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5448 * Makefile.in (cccp.o): Fix typo in last patch.
5450 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5452 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5453 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5455 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5457 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5458 NULL_RTX as an argument.
5460 * Makefile.in (unlibsubdir): Define.
5461 (DRIVER_DEFINES): Use unlibsubdir.
5462 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5463 (stmp-fixinc): Similarly.
5465 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5467 * regmove.c (regmove_optimize): Add variable old_max_uid.
5468 At the end of the function, update basic_block_end.
5470 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5472 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5473 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5476 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5478 * config/arm/arm.c: Improve interworking support.
5480 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5482 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5483 copied from reload_out[r] .
5485 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5487 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5488 with more than three size ranges.
5490 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5492 * rtl.c (mode_name): Add a null string at the end of the array.
5493 (mode_wider_mode): Change type to unsigned char.
5494 (mode_mask_array): New variable.
5495 (init_rtl): Update for mode_wider_mode type change.
5497 * rtl.h (mode_wider_mode): Change type to unsigned char.
5498 (mode_mask_array): Declare.
5499 (GET_MODE_MASK): Use mode_mask_array.
5501 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5503 * calls.c (expand_call) : Encapsulate code into
5504 copy_blkmode_from_reg.
5505 * expr.c (copy_blkmode_from_reg): New function.
5506 * expr.h (copy_blkmode_from_reg): New function.
5507 * integrate.c (function_cannot_inline_p): We can inline
5509 (expand_inline_function): Use copy_blkmode_from_reg
5510 if needed. Avoid creating BLKmode REGs.
5511 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5514 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5516 * config/v850/v850.c: Add function prototypes.
5517 Add support for v850 special data areas.
5519 * config/v850/v850.h: Add support for v850 special data areas.
5521 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5522 HANDLE_PRAGMA_PACK_PUSH_POP.
5523 (push_alignment): New function: Cache an alignment requested
5524 by a #pragma pack(push,<n>).
5525 (pop_alignment): New function: Pop an alignment from the
5527 (insert_pack_attributes): New function: Generate __packed__
5528 and __aligned__ attributes for new decls whilst a #pragma pack
5530 (add_weak): New function: Cache a #pragma weak directive.
5531 (handle_pragma_token): Document calling conventions. Add
5532 support for #pragma pack(push,<n>) and #pragma pack (pop).
5534 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5535 are defined enable HANDLE_PRAGMA_PACK.
5536 Move 'struct weak_syms' here (from varasm.c).
5537 Add pragma states for push and pop pragmas.
5539 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5542 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5543 HANDLE_GENERIC_PRAGMAS.
5545 * varasm.c: Move definition of 'struct weak_syms' into
5547 (handle_pragma_weak): Deleted.
5549 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5551 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5553 * c-decl.c (start_function): Add invocation of
5554 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5556 * tm.texi: Remove description of non-existant macro
5557 SET_DEFAULT_SECTION_NAME.
5559 (HANDLE_SYSV_PRAGMA): Document.
5560 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5562 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5564 * config.sub: Recognize i[34567]86-pc-udk as new target.
5565 * configure.in: Likewise.
5566 * config/i386/t-udk: New file.
5567 * config/i386/udk.h: New file.
5569 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5571 * reorg.c (check_annul_list_true_false): Remove unused variables.
5572 (steal_delay_list_from_target): Add missing "used_annul" variable.
5573 (try_merge_delay_insns): Close out half formed comment.
5575 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5577 * cpplib.c (macroexpand): If arg->raw_before or
5578 arg->raw_after, remove any no-reexpansion escape at the
5579 beginning of the pasted token. Correct handling of whitespace
5580 markers and no-reexpand markers at the end if arg->raw_after.
5582 * toplev.c (documented_lang_options): Recognize -include,
5583 -imacros, -iwithprefix, -iwithprefixbefore.
5584 * cpplib.c (cpp_start_read): Process -imacros and -include
5585 switches at the same time and in command-line order, after
5586 initializing the dependency-output code. Emit properly nested
5587 #line directives for them. Emit a #line for the main file
5588 before processing these switches, and don't do it again
5591 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5593 * function.c (purge_addressof_1): Use bitfield manipulation
5594 routines to handle mem mode < reg mode.
5596 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5598 * reorg.c (try_merge_delay_insns): Account for resources referenced
5599 in each instruction in INSN's delay list before trying to eliminate
5600 useless instructions. Similarly when looking at a trial insn's delay
5603 * reorg.c (check_annul_list_true_false): New function.
5604 (steal_delay_list_from_{target,fallthrough}): Call it and also
5605 refine tests for when we may annul if already filled a slot.
5606 (fill_slots_from_thread): Likewise.
5607 (delete_from_delay_slot): Return newly-created thread.
5608 (try_merge_delay_isns): Use its new return value.
5610 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5612 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5613 used to compute a giv or as some other non-counting use.
5615 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5617 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5618 * local-alloc.c (find_free_reg): Use it.
5619 * global.c (find_reg): Likewise.
5620 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5622 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5623 * caller-save.c (init_caller_save): Use it.
5624 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5626 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5628 * configure.in: Add --enable-cpplib option which uses cpplib
5629 for cpp, but doesn't link cpplib into cc1. Make help text
5630 capitalization consistent.
5631 * configure: Rebuilt.
5633 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5635 * function.c (gen_mem_addressof): If the address REG is
5636 REG_USERVAR_P make the new REG be so also.
5637 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5638 in an attempt to clarify slightly.
5640 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5642 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5643 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5645 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5647 * toplev.c: Fix last patch.
5649 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5651 * loop.c (get_condition): Fix typo in May 9 change.
5653 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5655 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5657 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5659 * toplev.c (documented_lang_options): Spelling corrections.
5661 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5663 * configure.in: new flags --with-ld and --with-as, equivalent
5664 to setting LD and AS environment variables. Test whether
5665 specified arguments are GNU commands, and report them with
5666 checking messages. Use the specified AS for configure
5669 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5671 * gcc.c (find_a_file): when looking for `as' and `ld', return
5672 the DEFAULT program if it exists
5673 * collect2.c (main): use DEFAULT_LINKER if it exists
5675 * gcc.c (find_a_file): the test for existence of a full
5676 pathname was reversed
5678 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5680 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5681 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5683 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5685 * tree.h (TYPE_BINFO): Document.
5687 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5689 * i386-coff.h (dbxcoff.h): Added.
5691 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5693 * toplev.c: fix bad patch around flag_data_sections.
5695 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5697 * reload1.c (reload): Use reload_address_index_reg_class and
5698 reload_address_base_reg_class when setting
5699 caller_save_spill_class. (Patch generated by Jim Wilson:
5702 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5704 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5705 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5706 * expr.c (store_field): Add alias_set parameter. Set the
5707 MEM_ALIAS_SET accordingly, if the target is a MEM.
5708 (expand_assignment): Use it.
5709 (store_constructor_field): Pass 0.
5710 (expand_expr): Likewise.
5712 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5714 * flags.h: Add flag_data_sections.
5715 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5716 (compile_file): Error if flag_data_sections not supported.
5717 * varasm.c (assemble_variable): Handle flag_data_sections.
5718 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5719 * config/mips/elf.h: Likewise.
5720 * config/mips/elf64.h: Likewise.
5721 * invoke.texi: Describe -fdata-sections.
5723 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5725 * invoke.texi (-ffloat-store): Clarify that this option
5726 does not affect intermediate results -- only variables.
5728 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5730 * cpp.texi: Update for Fortran usage from Craig.
5732 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5734 * rs6000.c (function_arg_boundary): Revert accidental change on
5737 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5739 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5740 (output_mi_thunk): Declare.
5742 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5743 (output_function_profiler): Use r12 for temp, instead of r11 so
5744 that we preserve the static chain register.
5746 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5748 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5750 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5752 * sh.c (gen_shl_sext): Fix case 5.
5754 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5756 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5758 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5760 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5761 accessing variables until they are initialized via va_arg().
5763 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5765 * reload1.c (reload_combine): Initialize set before using.
5767 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5769 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5772 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5774 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5775 operand3 with mask before using it. Patch provided by Jim Wilson.
5777 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5779 * config/sparc/sparc.c (function_value): Perform the equivalent of
5780 PROMOTE_MODE for ARCH64.
5781 (eligible_for_epilogue_delay): Allow DImode operations in delay
5782 slot of a return for ARCH64.
5784 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5786 * sh.md (sqrtsf2): Fix mode of sqrt.
5788 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5790 * reload1.c (choose_reload_regs): Also try inheritance when
5791 reload_in is a stack slot of a pseudo, even if we already got a
5794 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5796 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5797 (reload_cse_regs): New function body: call reload_cse_regs_1,
5798 reload_combine, reload_cse_move2add.
5799 When doing expensive_optimizations, call reload_cse_regs_1 a
5800 second time after reload_cse_move2add.
5801 (reload_combine, reload_combine_note_store): New functions.
5802 (reload_combine_note_use): New function.
5803 (reload_cse_move2add, move2add_note_store): New functions.
5805 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5807 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5808 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5810 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5811 more than 3 such reloads.
5813 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5814 RELOAD_FOR_X_ADDR_ADDR reload.
5816 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5818 * expr.c (store_constructor): When initializing a field that is smaller
5819 than a word, at the start of a word, try to widen it to a full word.
5821 * cse.c (cse_insn): When we are about to change a register,
5822 remove any invalid references to it.
5824 (remove_invalid_subreg_refs): New function.
5825 (mention_regs): Special treatment for SUBREGs.
5826 (insert_regs): Don't strip SUBREG for call to mention_regs.
5827 Check if reg_tick needs to be bumped up before that call.
5828 (lookup_as_function): Try to match known word_mode constants when
5829 looking for a norrower constant.
5830 (canon_hash): Special treatment for SUBREGs.
5832 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5834 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5835 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5836 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5837 and offsets in actual stack trampoline code so they match the
5838 commentary and actually work.
5840 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5842 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5844 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5845 tmake_file. Set extra_parts to needed crt objects.
5846 * configure: Rebuilt.
5847 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5848 (TARGET_DEFAULT): Set if default is v9 or ultra.
5849 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5850 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5851 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5852 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5853 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5854 (TARGET_VERSION): Define.
5855 (MULTILIB_DEFAULT): Define.
5856 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5857 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5858 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5860 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5861 * config/sparc/sparc.c (sparc_override_options): If arch and
5862 pointer size disagree, emit diagnostic and fix it up. If
5863 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5864 V8PLUS in 64-bit mode.
5865 * config/sparc/t-linux64: New file.
5866 * config/sparc/t-sol2-64: New file.
5867 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5868 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5869 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5870 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5871 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5872 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5874 (STARTFILE_SPEC): Set approriately based upon those.
5875 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5876 disposition of DEFAULT_ARCH32_P.
5877 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5878 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5879 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5880 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5881 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5883 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5885 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5887 * rtl.h (init_virtual_regs): New function.
5888 * emit-rtl.c (init_virtual_regs): Define.
5889 (insn_emit): Use it.
5890 * integrate.c (save_for_inline_copying): Likewise.
5892 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5894 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5895 (enum reg_class): Add NONARG_LO_REGS support.
5896 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5897 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5898 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5899 completes. Re-enable HImode REG+OFFSET addresses.
5900 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5902 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5904 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5906 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5907 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5908 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5910 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5912 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5913 jumps as a single entity, taking into account the size of the
5916 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5918 * tree.def (SWITCH_EXPR): New tree node definition.
5920 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5922 * version.c: Bump for snapshot.
5924 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5926 * version.c: Bump for snapshot.
5928 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5930 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5933 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5935 * Revert this patch.
5936 * reload.c (find_reloads): Do not replace a pseudo with
5937 (MEM (reg_equiv_addr)) in the initializing insn for the
5940 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5942 * final.c (final_scan_insn): Disable tracking CC across branches.
5944 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5946 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5947 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5948 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5949 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5950 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5952 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5954 * toplev.c (rest_of_compilation): Skip compiling anything with
5955 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5957 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5959 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5960 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5961 use in_libcall_block.
5962 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5963 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5966 Mon Sep 21 14:02:23 1998
5968 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5969 typo in no-fancy-math-387 description.
5971 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5973 * version.c: Bump for snapshot.
5975 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5977 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5979 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5981 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5982 documented in install.texi.
5983 (TARGET_OPTIONS) Likewise.
5985 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5987 * version.c: Bump for snapshot.
5989 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5991 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5992 * cccp.c (main): Likewise.
5994 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5995 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5998 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6000 * Makefile.in (LIBS): Link in libiberty.a.
6001 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6003 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6005 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6006 it to update bb boundaries. Update caller.
6007 * function.c (reposition_prologue_and_epilogue_notes): Update
6008 bb boundaries wrt the moved note.
6010 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6012 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6014 * configure: Regenerate.
6016 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6018 * alpha.c (alpha_sr_alias_set): New variable.
6019 (override_options): Set it.
6020 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6021 (mode_mask_operand): Fix signed-unsigned comparision warning.
6022 (alpha_expand_block_move): Likewise.
6023 (print_operand): Likewise.
6024 (get_aligned_mem): Use change_address.
6025 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6026 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6027 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6028 (alpha_align_insns): Remade from old alphaev5_align_insns
6029 to handle multiple processors.
6030 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6031 * output.h (label_to_alignment): Prototype.
6033 * tree.c (new_alias_set): New function.
6034 * tree.h (new_alias_set): Declare it.
6035 * c-common.c (c_get_alias_set): Use it.
6037 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6039 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6040 to an ABS expr, convert an unsigned input to signed.
6042 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6044 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6046 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6048 * configure.in: Add support for c4x targets.
6049 * configure: Rebuilt.
6051 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6053 * combine.c (distribute_notes): If an insn is a cc0 user, only
6054 delete it if we can also delete the cc0 setter.
6056 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6058 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6059 (invert_truthvalue): Enable truthvalue inversion for
6060 floating-point operands if -ffast-math.
6062 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6064 * configure.in: Disable collect2 for nextstep. Instead use
6066 * configure: Rebuilt.
6067 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6068 (ENDFILE_SPEC): Define.
6069 (OBJECT_FORMAT_MACHO): Define.
6070 (EH_FRAME_SECTION_ASM_OP): Define.
6071 * crtstuff.c: Handle MACHO.
6073 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6075 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6077 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6079 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6080 (_fpadd_parts): Get sign right for 0.
6082 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6084 * ginclude/varargs.h: Add support for C4x target.
6085 * ginclude/stdargs.h: Likewise.
6087 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6089 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6090 (alpha_emit_set_long_const): Rewrite to be callable from reload
6092 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6093 * alpha.md (movdi): Likewise.
6095 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6097 * arm.c (add_constant): New parameter address_only, change caller.
6098 Set it non-zero if taking the address of an item in the pool.
6099 (arm_reorg): Handle cases where we need the address of an item in
6102 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6104 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6105 memory addresses that are not in standard canonical form.
6107 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6109 * README.C4X: New file with information about the c4x ports.
6110 * ginclude/va-c4x.h: New file for c4x varargs support.
6111 * config/c4x: New directory with c4x port files.
6113 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6115 * reload.c (find_reloads): Do not replace a pseudo with
6116 (MEM (reg_equiv_addr)) in the initializing insn for the
6119 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6121 * toplev.c (rest_of_compilation): Set bct_p on second call to
6123 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6125 (strength_reduce): Only call analyze_loop_iterations and
6126 insert_bct if bct_p set.
6127 (check_dbra_loop): Fix typo.
6128 (insert_bct): Use word_mode instead of SImode.
6129 (instrument_loop_bct): Likewise. Do not delete iteration count
6130 condition code generation insn. Initialize iteration count before
6132 * rtl.h (loop_optimize): Update prototype.
6134 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6135 not doubleword aligned.
6137 * rs6000.c (optimization_options): New function.
6138 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6139 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6140 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6141 first; cr1 can be used for FP record condition insns.
6143 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6145 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6148 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6151 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6153 (block_move_call): New function: Call a library routine to copy a
6155 (m32r_expand_block_move): New function: Expand a "movstrsi"
6156 pattern into a sequence of insns.
6157 (m32r_output_block_move): New function: Expand a
6158 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6159 (m32r_block_immediate_operand): New function: Return true if the
6160 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6162 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6164 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6166 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6168 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6170 * regmove.c (copy_src_to_dest): Check that modes match.
6172 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6174 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6176 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6178 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6179 narrower than FLOAT_REGS.
6181 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6183 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6185 * Makefile.in (old_gxx_include_dir): removed
6187 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6189 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6192 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6193 (sh_handle_pragma): Change function arguments to match new
6194 specification for HANDLE_PRAGMA.
6196 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6198 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6200 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6201 When generating output, initialize missing struct member to zero.
6203 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6205 * regmove.c (copy_src_to_dest): Don't copy if that requires
6206 (a) new register(s).
6208 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6210 * global.c (reg_allocno): Now static.
6211 * reload1.c (reg_allocno): Delete declaration.
6212 (order_regs_for_reload): Take no arguments. Don't treat regs
6213 allocated by global differently than those allocated by local-alloc.
6215 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6217 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6218 condition, fix format strings.
6219 (output_function_epilogue): Likewise.
6221 * m68k/m68k.c: Don't include <stdlib.h> directly.
6223 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6225 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6226 mem_first_set, mem_last_set; because 0 can be a CUID.
6227 (oprs_unchanged_p): Use new definition.
6228 (record_last_reg_set_info): Likewise.
6229 (record_last_mem_set_info): Likewise.
6230 (compute_hash_table): Likewise.
6232 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6234 * rs6000.c (output_epilogue): Handle Chill.
6236 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6237 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6239 * combine.c (make_extraction): If no mode is specified for
6240 an operand of insv, extv, or extzv, default it to word_mode.
6241 (simplify_comparison): Similarly.
6242 * expmed.c (store_bit_field): Similarly.
6243 (extract_bit_field): Similarly.
6244 * function.c (fixup_var_regs_1): Similarly.
6245 * recog.c (validate_replace_rtx_1): Similarly.
6246 * mips.md (extv, extzv, insv expanders): Default modes for most
6247 operands. Handle TARGET_64BIT.
6248 (movdi_uld, movdi_usd): New patterns.
6250 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6251 equivalent memory location unless we have been provided a scratch
6252 register. Similarly do not call find_replacement unless a
6253 scratch register has been provided.
6255 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6257 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6260 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6262 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6263 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6264 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6265 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6266 * c-decl.c (init_decl_processing): Update accordingly.
6267 * expr.c (expand_builtin): Likewise.
6269 * rtl.h (global_rtl): Add cfa entry.
6270 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6271 (LAST_VIRTUAL_REGISTER): Update.
6272 * emit-rtl.c (global_rtl): Add cfa entry.
6273 (init_emit): Initialize it.
6274 * function.c (cfa_offset): New.
6275 (instantiate_virtual_regs): Initialize it.
6276 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6277 (expand_function_end): Call expand_eh_return.
6278 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6280 * except.c (current_function_eh_stub_label): Kill.
6281 (current_function_eh_old_stub_label): Likwise; update all references.
6282 (expand_builtin_set_return_addr_reg): Kill.
6283 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6284 (expand_builtin_set_eh_regs): Kill.
6285 (eh_regs): Produce a third reg for the actual handler address.
6286 (eh_return_context, eh_return_stack_adjust): New.
6287 (eh_return_handler, eh_return_stub_label): New.
6288 (init_eh_for_function): Initialize them.
6289 (expand_builtin_eh_return, expand_eh_return): New.
6290 * except.h: Update prototypes.
6291 * flow.c (find_basic_blocks_1): Update references to the stub label.
6292 * function.h (struct function): Kill stub label elements.
6294 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6295 register number is one that would be in the previous window.
6296 Provide a dummy definition for non-windowed targets.
6297 (get_reg_addr): New function.
6298 (get_reg, put_reg, copy_reg): Use it.
6299 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6300 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6302 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6303 (alpha_init_expanders): Initialize it.
6304 (alpha_expand_epilogue): Use it.
6305 * alpha.h: Declare it.
6306 * alpha.md (eh_epilogue): New.
6308 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6309 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6311 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6313 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6316 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6318 * except.h (struct eh_entry): Add false_label field.
6319 (end_catch_handler): Add prototype.
6320 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6321 (start_catch_handler): When using old style exceptions, issue
6322 runtime typematch code before continuing with the handler.
6323 (end_catch_handler): New function, generates label after handler
6324 if needed by older style exceptions.
6325 (expand_start_all_catch): No need to check for new style exceptions.
6326 (output_exception_table_entry): Only output the first handler label
6327 for old style exceptions.
6328 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6329 mechanism into one function, if a runtime matcher is provided.
6331 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6333 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6335 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6337 * integrate.c (copy_decl_list): Fix typo.
6339 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6341 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6344 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6346 * version.c: Bump for snapshot.
6348 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6350 * version.c: Bump for snapshot.
6352 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6354 * version.c: Bump for snapshot.
6356 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6358 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6360 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6362 * configure.in: remove usage of `!' to negate the result of a
6363 command; some common shells do not support it
6365 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6367 * configure.in: in sparc9-sol2 config, use 'if test' not
6369 * configure: Rebuilt.
6371 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6373 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6374 (CPP_CPU_DEFAULT_SPEC): Likewise.
6375 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6376 for arch64 libfuncs.
6378 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6381 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6383 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6385 * collect2.c: Don't declare `sys_siglist' here.
6386 (my_strsignal): Prototype and define new function. Use it in
6387 place of `sys_siglist' hacks.
6389 * mips_tfile.c: Likewise.
6391 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6392 (GCC_NEED_DECLARATIONS): Likewise.
6394 * system.h (strsignal): Prototype it, if necessary.
6395 (sys_siglist): Declare it, if necessary.
6397 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6399 * loop.c (move_movables): While removing insn sequences, preserve
6400 the next pointer of the most recently deleted insn when we skip
6403 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6405 * objc/config-lang.in: Do not output the name of the selected
6406 thread file when building the front-end. The Makefile for the
6407 runtime library will do this.
6409 * objc/Make-lang.in: Do not build the runtime library or install
6410 the Objective C header files. The Makefile for the runtime
6411 library will do this.
6413 * objc/Makefile.in (all.indirect): Only build the front-end.
6414 (compiler): Rename to `frontend'.
6415 (obj-runtime): Remove target.
6416 (copy-headers): Likewise.
6417 (clean): No need to remove `libobjc.a' any longer.
6419 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6421 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6422 supported with -mcpu=xxx.
6424 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6426 * flow.c (mark_set_1): Recognize multi-register structure return
6427 values in CALL insns.
6428 (mark_used_regs): Likewise.
6429 (count_reg_sets_1): Likewise.
6430 (count_reg_references): Likewise.
6431 * rtlanal.c (note_stores): Likewise.
6432 (reg_overlap_mentioned_p): Likewise.
6433 * haifa-sched.c (check_live_1): Likewise.
6434 (update_live_1): Likewise.
6435 (sched_analyze_1): Likewise.
6436 (sched_note_set): Likewise.
6437 (birthing_insn_p): Likewise.
6438 (attach_deaths): Likewise.
6440 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6443 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6445 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6447 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6449 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6451 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6453 * configure.in: Add check for GAS subsection -1 support.
6454 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6455 * configure config.in: Rebuilt.
6456 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6457 SImode is subsection -1 works, else use DImode.
6458 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6459 subsection -1 works.
6460 * config/sparc/sparc.c (sparc_output_addr_vec,
6461 sparc_output_addr_diff_vec): Use them if defined.
6463 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6465 * tree.h (DECL_ORIGIN): New macro.
6466 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6467 (copy_decl_list): Use it.
6468 (integrate_parm_decls): Likewise.
6469 (integrate_decl_tree): Likewise.
6470 * dwarf2out.c (decl_ultimate_origin): Simplify.
6471 * dwarfout.c (decl_ultimate_origin): Likewise.
6472 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6473 (pushdecl): Likewise.
6475 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6477 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6479 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6481 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6483 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6485 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6486 empty or has a single entry.
6488 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6489 before calling reg_to_stack.
6491 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6493 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6494 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6496 * c-tree.h (warn_long_long): Declare it.
6498 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6500 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6501 initialized float-int union if the value is a NaN.
6503 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6505 * c-lex.c (real_yylex): Don't warn about long long constants if
6506 we're allowing long long
6508 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6510 * except.h (current_function_eh_stub_label): Declare.
6511 (current_function_eh_old_stub_label): Declare.
6512 * function.h (struct function): New members eh_stub_label and
6514 * except.c (current_function_eh_stub_label): New variable.
6515 (current_function_eh_old_stub_label): New variable.
6516 (init_eh_for_function): Clear them.
6517 (save_eh_status): Save them.
6518 (restore_eh_status): Restore them.
6519 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6520 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6521 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6522 make an edge from the block that contains it to the block starting
6523 with the label if this label is one of the eh stub labels.
6524 If eh stub labels exist, show they are reachable from the last block
6527 * reload1.c (reload): Break out several subroutines and make some
6529 (calculate_needs_all_insns): New function, broken out of reload.
6530 (calculate_needs): Likewise.
6531 (find_reload_regs): Likewise.
6532 (find_group): Likewise.
6533 (find_tworeg_group): Likewise.
6534 (something_needs_reloads): New global variable, formerly in reload.
6535 (something_needs_elimination): Likewise.
6536 (caller_save_spill_class): Likewise.
6537 (caller_save_group_size): Likewise.
6538 (max_needs): Likewise.
6539 (group_size): Likewise.
6540 (max_groups): Likewise.
6541 (max_nongroups): Likewise.
6542 (group_mode): Likewise.
6543 (max_needs_insn): Likewise.
6544 (max_groups_insn): Likewise.
6545 (max_nongroups_insn): Likewise.
6546 (failure): Likewise.
6548 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6550 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6552 * loop.c (load_mems): Copy rtx for output mem.
6554 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6556 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6557 mips1 or mips2 either.
6559 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6561 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6563 (pa_adjust_insn_length): Update to work with new marking scheme
6564 for jumps inside switch tables.
6565 * pa.md (switch_jump): Remove pattern.
6566 (jump): Handle jumps inside jump tables.
6568 * Makefile.in (profile.o): Depend on insn-config.h
6570 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6572 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6574 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6576 Add preliminary native sparcv9 Solaris support.
6577 * configure.in: Recognize sparv9-*-solaris2*
6578 * configure: rebuilt
6579 * config.sub: Recognize sparcv9 just like sparc64.
6580 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6581 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6582 32-bit and 64-bit Solaris systems.
6583 * config/sparc/t-sol2: Assemble those with cpp.
6584 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6585 (*TF*_LIBCALL): If ARCH64 use V9 names.
6586 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6588 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6590 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6591 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6593 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6595 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6596 to Pmode if CASE_VECTOR_MODE is something else.
6598 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6600 * prefix.c (update_path): Correctly handle cases where PATH is
6601 a substring of the builtin prefix, but specifies a different
6604 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6606 * expr.c: Corrected comment about what MOVE_RATIO does.
6607 * config/alpha/alpha.h: Ditto.
6608 * config/1750a/1750a.h: Ditto.
6609 * config/clipper/clipper.h: Ditto.
6610 * config/i386/i386.h: Ditto.
6612 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6614 * configure.in (m68k-next-nextstep3*): Use collect2.
6615 Similarly for x86 NeXT configurations.
6616 * configure: Rebuilt.
6618 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6620 * configure.in: Don't assume srcdir is .../gcc
6621 * configure: Rebuilt.
6623 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6625 * global.c: Update comments.
6626 (global_alloc): Assign allocation-numbers
6627 even for registers allocated by local_alloc in case
6628 they are later spilled and retry_global_alloc is called.
6629 (mark_reg_store, mark_reg_clobber,
6630 mark_reg_conflicts, mark_reg_death): Always record a
6631 conflict with a pseudo register even if it has been
6632 assigned to a hard register.
6633 (dump_conflicts): Don't list pseudo registers already assigned to
6634 a hard register as needing to be allocated, but do list their
6636 * local-alloc.c: Update comment.
6638 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6640 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6641 * configure: Rebuilt.
6643 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6645 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6647 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6648 for all targets that set -msoft-float.
6650 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6652 * toplev.c (print_switch_values): Make static to match prototype.
6654 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6656 * configure.in: If we are unable to find the "gnatbind" program,
6657 then do not configure the ada subdir.
6658 * configure: Rebuilt.
6660 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6662 * version.c: Bump for snapshot.
6664 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6666 * version.c: Bump for snapshot.
6668 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6670 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6671 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6673 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6675 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6677 * genextract.c: Have insn-extract.c include toplev.h.
6679 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6681 * toplev.c: Include expr.h.
6682 (really_sorry, fancy_abort): Remove prototypes.
6683 (set_target_switch): Add argument in prototype.
6684 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6685 (v_really_sorry): Likewise.
6686 (print_version, print_single_switch, print_switch_values): Make
6687 static and add prototype arguments.
6688 (decl_printable_name): Add prototype arguments.
6689 (lang_expand_expr_t): New typedef.
6690 (lang_expand_expr): Declare as a lang_expand_expr_t.
6691 (incomplete_decl_finalize_hook): Add prototype argument.
6692 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6693 (botch): Likewise for variable `s'.
6694 (rest_of_type_compilation): Mark variables `type' and `toplev'
6695 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6696 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6697 (display_help): Make variable `i' an `unsigned long'.
6698 (main): Remove unused parameter `envp'.
6699 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6700 Cast -1 when comparing it with a `size_t'.
6702 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6703 prototype with ATTRIBUTE_NORETURN.
6704 (fatal_insn_not_found, fatal_insn, really_sorry,
6705 push_float_handler, pop_float_handler): Add prototypes.
6706 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6707 (do_abort, botch): Add prototypes.
6709 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6711 * final.c (final): If a label is reached only from a single jump,
6712 call NOTICE_UPDATE_CC on the jump and its predecessor before
6713 emitting the insn after the label.
6715 * i386.h: Add AMD K6 support.
6716 Change TARGET_* macros to use table lookup.
6717 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6718 (ADJUST_COST): Change definition to call function in i386.c.
6719 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6720 * i386.c: Add AMD K6 support.
6721 Add constants for feature tests used by TARGET_* macros.
6722 (split_di): If before reload, call gen_lowpart and gen_highpart.
6723 (x86_adjust_cost): New function.
6724 (put_jump_code): New function.
6725 (print_operand): New codes 'D' and 'd'.
6726 * i386.md: New insn types. New insn attribute "memory".
6727 Redefine scheduling parameters to use new types and add AMD K6
6728 support. Explicitly set type of most insns.
6729 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6730 Pro and K6 prefer movl $1,reg to incl reg.
6731 (adddi3, subdi3): Set cc_status.
6732 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6733 to int; x86 can't have more than 2^31 DImode shifts per file.
6734 (setcc): Combine all setcc patterns. Allow writing memory.
6735 Combine all jump patterns using match_operator.
6736 (*bzero): Name pattern. Emit mutliple stos instructions when that
6737 is faster than rep stos.
6738 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6741 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6743 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6746 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6748 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6749 not whatever we're generating now.
6751 * alpha.c (set_frame_related_p, FRP): New.
6752 (alpha_expand_prologue): Mark frame related insns.
6753 (alpha_expand_epilogue): Likewise, but with a null FRP.
6754 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6755 * alpha.md (exception_receiver): New.
6756 * alpha/crtbegin.asm (.eh_frame): New beginning.
6757 (__do_frame_setup, __do_frame_takedown): New.
6758 * alpha/crtend.asm (.eh_frame): New ending.
6759 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6760 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6761 (ASM_FILE_START): Don't emit .file for dwarf2.
6763 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6764 * rtl.c (reg_note_name): Likewise.
6765 * rtl.texi (REG_NOTES): Likewise.
6766 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6769 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6771 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6772 * i386.md (movsf, movdf, movxf): Validate memory address returned
6773 from force_const_mem. Kill useless REG_EQUAL setting code.
6775 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6777 * m68k.md (zero_extendsidi2): Fix typo.
6779 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6781 * configure.in: Removed references to the removed file
6782 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6783 * arm*-*-netbsd* and ns32k-*-netbsd*.
6784 * config/i386/xm-netbsd.h: Removed unnecessary file.
6785 * config/m68k/xm-netbsd.h: Likewise.
6786 * config/sparc/xm-netbsd.h: Likewise.
6787 * config/mips/xm-netbsd.h: Likewise.
6789 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6791 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6792 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6794 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6795 for exact section attributions.
6797 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6799 * i386/crtdll.h (CPP_PREDEFINES): Define.
6801 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6803 * m68k.md (5200 movqi): Do not allow byte sized memory references
6805 * m68k.c (output_move_qimode): Do not use byte sized operations on
6808 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6809 explicit rules for building. Similarly for alloca, vfprintf,
6810 choose-temp and mkstemp, getopt, getopt1, and obstack.
6811 (INCLUDES): Add $(srcdir)/../include.
6812 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6813 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6815 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6817 * gcc.c (do_spec_1): [case 'o'] Account for
6818 lang_specific_extra_outfiles.
6819 (main): Correctly clear all slots in outfiles for
6820 lang_specific_extra_outfiles. Set input_file_number before
6821 calling lang_specific_pre_link.
6823 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6825 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6827 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6829 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6831 (sparc_output_deferred_case_vectors): If no work to do, return.
6832 Fix thinko in Sept 1 change.
6834 1998-09-03 SL Baur <steve@altair.xemacs.org>
6836 * Makefile.in: add semicolon in BISON definition for portability.
6838 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6840 * config/nextstep.c (handle_pragma): Correct name of third
6843 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6845 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6846 * config/m32r/m32r.h: Make register 17 be fixed.
6847 * config/m32r/m32r.c: Use SImode for cc operations.
6849 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6851 * invoke.texi (Warning Options): Add -Wnon-template-friend
6854 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6856 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6858 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6860 * rs6000.md (movsf): Disable explicit secondary-reload-like
6861 functionality if TARGET_POWERPC64.
6862 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6865 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6867 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6868 and term.h from fixinc.wrap.
6870 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6872 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6873 safe to include both string.h and strings.h together.
6874 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6875 which headers to search for function declarations. Continue to
6876 prefer string.h over strings.h when both are not acceptable.
6878 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6880 * configure.in: Call GCC_HEADER_STRING.
6882 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6883 to include. Continue to prefer string.h over strings.h when both
6886 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6888 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6889 not assume top 32-bits of symbolic addresses are zero if
6892 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6894 * ginclude/va-alpha.h: Protect entire second portion of the
6895 file against double inclusion.
6897 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6899 Added support for the Boehm's garbage collector.
6900 * configure.in: Handle --enable-objc-gc.
6901 * configure: Rebuilt.
6902 * Makefile.in (CHECK_TARGETS): Add check-objc.
6903 (check-objc): New rule.
6904 * objc/Make-lang.in: Build a different Objective-C library that
6905 runs with the Boehm's collector.
6906 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6907 * objc/encoding.c: Correctly compute the size of compound types in
6908 the presence of bitfields. Skip the variable name of the type if
6909 any. Added support for long long.
6910 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6911 (_F_GCINVISIBLE): New mask.
6912 * objc/gc.c: New file. Compute the type memory mask associated with
6913 a class based on the runtime information.
6914 * objc/misc.c: Added the hooks that use the Boehm's collector
6915 allocation functions.
6916 * objc/objc-act.c (build_class_template): Generate a new class
6917 member (gc_object_type) to hold the class' type memory mask.
6918 (build_shared_structure_initializer): Initialize the new member to
6920 (encode_complete_bitfield): New function. Generate the new
6922 (encode_field_decl): Generate the new encoding only for the GNU
6924 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6926 (class_get_gc_object_type): New function to mark a pointer instance
6927 variable as a weak pointer.
6928 * objc/objc-features.texi: New file.
6929 * objc/objc.h (gc_object_type): New class member.
6930 * objc/objects.c (class_create_instance): Create a typed memory
6931 object when compiled with Boehm's collector support.
6932 * objc/sendmsg.c (__objc_init_install_dtable): Call
6933 __objc_send_initialize instead of setting the initialize flag.
6934 (__objc_send_initialize): Call __objc_generate_gc_type_description
6935 to generate the class type memory mask. Rewrite the code that
6936 sends the +initialize so that it is called only once (bug report
6937 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6938 * testsuite/objc: New testsuite for Objective-C type encoding.
6939 * testsuite/lib/objc-torture.exp: New file.
6940 * testsuite/lib/objc.exp: New file.
6942 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6944 * jump.c (jump_optimize): In if/then/else transformations, add
6945 another call to modified_between_p for the jump insn.
6947 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6949 * fix-header.c (symlink): Treat like readlink.
6951 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6953 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6956 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6958 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6959 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6960 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6962 * config/nextstep.c (handle_pragma): Take three arguments, as per
6963 the new HANDLE_PRAGMA macro specification.
6964 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6965 per the new HANDLE_PRAGMA macro specification.
6966 * config/i960/i960.c (process_pragma): Take three arguments, as
6967 per the new HANDLE_PRAGMA macro specification.
6969 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6971 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6972 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6973 if unknown pragmas are encountered.
6974 (handle_sysv_pragma): Interpret return code from
6975 handle_pragma_token (). Return success/failure indication rather
6976 than next unprocessed character.
6977 (pragma_getc): New function: retrieves characters from the
6978 input stream. Defined when HANDLE_PRAGMA is enabled.
6979 (pragma_ungetc): New function: replaces characters back into the
6980 input stream. Defined when HANDLE_PRAGMA is enabled.
6982 * c-pragma.c (handle_pragma_token): Return success/failure status
6985 * c-pragma.h: Change prototype of handle_pragma_token().
6987 * varasm.c: (handle_pragma_weak): Only create this function if
6988 HANDLE_PRAGMA_WEAK is defined.
6990 * c-common,c (decl_attributes): If defined call the expression
6991 contained within the INSERT_ATTRIBUTES macro before adding
6992 attributes to a decl.
6994 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6995 HANDLE_PRAGMA, which takes three arguments.
6996 (INSERT_ATTRIBUTES): Document this new macro.
6998 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6999 new INSERT_ATTRIBUTES macro.
7001 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7003 * config/sparc/sparc.md (movdf): Only generate special RTL for
7004 LABEL_REFs when PIC.
7005 (move_label_di): Remove
7006 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7007 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7008 references when PIC.
7009 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7010 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7011 output an .xword for all 64-bit cases.
7013 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7015 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7016 alignment, use FUNCTION_BOUNDARY instead.
7017 (sparc_output_deferred_case_vectors): Likewise.
7019 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7021 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7022 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7024 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7026 * alpha/va_list.h: New file.
7027 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7029 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7031 * NEWS: Add SCO Openserver and Unixware 7 notes.
7035 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7037 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7038 (record_constant_1): Handle RANGE_EXPR.
7040 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7042 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7043 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7044 and NOTE_INSN_RANGE_END specially.
7045 (reemit_notes): Likewise.
7047 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7049 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7050 (ultrasparc_sched_init): Remove unneeded &.
7052 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7054 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7055 for m68020-60, to prevent the use of fintrz.
7057 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7059 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7061 * Makefile.in: Likewise.
7062 * configure: Regenerated.
7064 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7066 * configure.in (gxx_include_dir): Changed to
7067 '${prefix}/include/g++'-${libstdcxx_interface}.
7068 * configure: Rebuilt.
7070 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7072 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7074 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7075 *sequences* *below* which scalar moves will be used.
7077 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7079 * collect2.c (mktemp): Delete unused declaration.
7081 * config/xm-netbsd.h: Remove unnecessary file.
7082 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7083 file anymore, it is not needed.
7085 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7087 * convert.c (convert_to_integer): Issue an error on conversions to
7090 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7092 * Makefile.in: Add lang_tree_files and gencheck.h.
7093 * configure.in: Generate them.
7094 * gencheck.c: Include gencheck.h.
7096 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7098 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7099 movdi_lo_sum_pic and movdi_high_pic and make visible.
7100 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7101 emit these when Pmode is not SImode.
7102 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7104 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7106 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7107 .linkonce directive after the first time.
7109 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7111 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7112 the clobbered operand overlaps with an input.
7113 (bne0_di): Similarly.
7115 * Makefile.in (INSTALL): Remove "--no-header" argument.
7117 * NEWS: Various updates.
7119 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7121 * config/sparc/sparc.c (arith_operand, const64_operand,
7122 const64_high_operand, arith_double_4096_operand): Mark mode as
7124 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7126 (sparc_emit_set_const64): Remove unused variable i.
7127 (sparc_splitdi_legitimate): Likewise for addr_part.
7128 (ultra_code_from_mask): Likewise for mask.
7129 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7130 reverse return values so it matches usage and comments.
7131 (ultra_flush_pipeline): Likewise.
7132 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7133 this_type, and allow loads and stores of differing FP modes as
7134 they do not create a conflict.
7135 (ultra_find_type): Initialize fpmode to SFmode, fix
7136 parenthesization thinkos in large conditional.
7137 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7138 Init free_slot_mask after ultra_cur_hist is reset, not before.
7139 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7140 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7141 use ultra_flush_pipeline instead, then re-init group pointer.
7142 Fix statement with no effect. If no progress made in, and no
7143 instructions scheduled at all, advance to new pipeline cycle else
7144 we get into an endless loop.
7145 (ultrasparc_adjust_cost): Remove previous arg.
7146 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7148 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7150 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7151 code. Use reg_overlap_mentioned_p to detect when source and
7152 destination overlap.
7153 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7155 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7157 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7158 COMPARISON_VAL, into invariant_p.
7160 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7162 * regmove.c (regclass_compatible_p): New function.
7163 (regmove_optimize): Use it.
7165 Use NREGS parameter insted of calling max_reg_num.
7167 (fixup_match_1): Don't use code = MINUS when later tieing with
7168 a hard register is likely.
7170 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7172 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7173 COMPARISON_VAL was normalized.
7175 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7177 * loop.c (check_dbra_loop): The loop ending comparison value
7178 must be an invariant or we can not reverse the loop.
7180 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7181 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7183 (load_mems_and_recount_loop_regs_set): Likewise.
7185 * i386.c (print_operand): Remove obsolete 'c' docs.
7187 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7189 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7190 * frame.c (init_object_mutex): New function.
7191 (init_object_mutex_once): Likewise.
7192 (find_fde): Call it.
7193 (__register_frame_info): Likewise.
7194 (__register_frame_info_table): Likewise.
7195 (__deregister_frame_info): Likewise.
7197 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7199 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7201 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7203 * loop.c (check_dbra_loop): Enable code for reversal
7204 of some loops without a known constant loop end.
7206 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7208 * haifa-sched.c (last_clock_var): New.
7209 (schedule_block): Initialize it.
7210 (schedule_insn): Use it to fill insn modes with issue information.
7212 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7213 Tag trapb and next insn with TImode.
7214 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7215 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7216 Invoke alphaev5_align_insns as appropriate.
7217 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7218 (MD_SCHED_VARIABLE_ISSUE): New.
7219 * alpha.md (attr type): Add multi.
7220 (define_asm_attributes): New.
7221 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7222 (arg_home): Likewise.
7223 (fnop, unop, realign): New.
7225 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7227 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7228 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7230 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7231 (rs6000-ibm-aix4.[12]*): Likewise.
7232 * configure: Regnerate.
7234 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7236 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7237 already contains the return address.
7239 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7241 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7242 word sized hunks when loading unaligned args into registers.
7244 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7245 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7247 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7249 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7251 * loop.c (check_dbra_loop): Add some code that would allow reversal
7252 of some loops without a known constant loop end if it were enabled.
7254 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7256 * mips.md (lshrsi3_internal2+2): Fix type-o.
7258 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7260 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7261 correctly with regards to stdio.h.
7263 * calls.c: Remove stdarg.h/varargs.h.
7266 * combine.c: Likewise.
7267 * cpperror.c: Likewise.
7268 * cpplib.c: Likewise.
7269 * cpplib.h: Likewise.
7270 * doprint.c: Likewise.
7271 * emit-rtl.c: Likewise.
7272 * final.c: Likewise.
7273 * fix-header.c: Likewise.
7275 * genattr.c: Likewise.
7276 * genattrtab.c: Likewise.
7277 * gencodes.c: Likewise.
7278 * genconfig.c: Likewise.
7279 * genemit.c: Likewise.
7280 * genextract.c: Likewise.
7281 * genflags.c: Likewise.
7282 * genopinit.c: Likewise.
7283 * genoutput.c: Likewise.
7284 * genpeep.c: Likewise.
7285 * genrecog.c: Likewise.
7286 * mips-tfile.c: Likewise.
7287 * prefix.c: Likewise.
7288 * protoize.c: Likewise.
7289 * regmove.c: Likewise.
7290 * toplev.c: Likewise.
7293 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7295 * config/sparc/sparc.c (sparc_override_options): If not
7296 TARGET_FPU, turn off TARGET_VIS.
7297 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7298 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7299 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7300 (movdi_insn_sp64): Add VIS fzero alternative.
7301 (clear_sf, clear_df): New VIS patterns.
7302 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7304 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7306 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7308 * loop.c (n_times_set, n_times_used, may_not_optimize,
7309 reg_single_usage): Convert to varrays. All uses changed.
7310 (insert_loop_mem): Return a value.
7311 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7312 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7315 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7318 * configure.in: Do not set thread_file to "irix" since no such
7321 * sparc.md (float abs/neg splits): Check reload_completed before
7322 calling alter_subreg.
7324 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7326 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7328 * config/sparc/sparc.h: Declare it.
7329 * config/sparc/sparc.md (float abs/neg splits): Use it.
7330 (all other splits): Handle SUBREGs properly where necessary.
7331 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7333 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7335 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7336 an insn on the unfilled_slots_list that has no delay slots.
7337 (fill_eager_delay_slots): Similarly.
7339 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7341 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7342 as an ordinary operand.
7344 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7346 * tree.c (valid_machine_attribute): Don't apply attributes to both
7349 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7351 * reload.c (operands_match_p): Handle rtvecs.
7353 * i386.c (legitimate_pic_address_disp_p): New.
7354 (legitimate_address_p): Use it.
7355 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7356 Handle constant pool symbols just like statics.
7357 (emit_pic_move): Use Pmode not SImode for clarity.
7358 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7359 [UNSPEC]: New, handling what we killed above.
7360 [PLUS]: Detect and abort on invalid symbol arithmetic.
7361 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7363 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7365 * alias.c: Include output.h.
7366 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7367 different if we're in a varargs function.
7368 * Makefile.in (alias.o): Depend on output.h
7370 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7372 * sh.h (GIV_SORT_CRITERION): Delete.
7374 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7376 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7377 * stupid.c (stupid_life_analysis): Ditto.
7378 * reload1.c (reload): Ditto.
7380 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7382 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7383 arith_double_4096_operand, arith_double_add_operand): New
7385 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7386 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7387 them to transform add/sub 4096 into add/sub -4096.
7389 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7391 * loop.c (scan_loop): Allocate some slop to handle pseudos
7392 generated by move_movables.
7393 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7396 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7398 * tree.def (DECL_RESULT): Correct documentation.
7400 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7402 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7403 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7404 conflicts will all RELOAD_FOR_OUTPUT reloads.
7406 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7407 loads the function result, substitute with a USE.
7409 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7411 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7412 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7413 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7414 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7415 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7416 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7418 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7419 'o' to 'm' for GPR variant constraints.
7421 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7423 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7425 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7427 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7428 when the source and destination overlap.
7430 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7431 clash with global type.
7433 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7435 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7437 * c-common.c (combine_strings): Also set TREE_READONLY.
7438 Change warn_write_strings to flag_const_strings.
7439 * c-decl.c, c-tree.h: Likewise.
7441 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7443 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7444 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7445 sequence, use SET/IOR instead so CSE can see it.
7446 * config/sparc/sparc.md (movhi_const64_special,
7447 movsi_const64_special): New patterns necessitated by that change.
7448 (movhi_high): Remove.
7449 (movhi_lo_sum): Change to match an IOR.
7450 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7451 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7452 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7453 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7454 registers are involved.
7455 (snesi_zero_extend split): Remove reload_completed test.
7456 (unnamed plus and minus zero_extend sidi splits): Add it.
7458 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7460 * extend.texi: Remove description of extension to explicit
7461 instantiation that is now endorsed by standard C++.
7463 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7465 * config/arc/arc.c (arc_initialize_pic): Remove.
7466 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7467 nothing on any platform and is invoked by no-one, it does not even
7468 appear in the documentation.
7469 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7470 * config/sparc/sparc.c (initialize_pic): Likewise.
7471 (find_addr_reg): Remove this as well, no longer referenced after
7474 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7476 * recog.c (validate_replace_rtx_group): New function.
7477 * recog.h (validate_replace_rtx_group): Declare it.
7478 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7479 the entire group of substitutions.
7481 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7483 * loop.c (load_mems): Fix initializers.
7485 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7487 * config/sparc/sparc.md (TFmode splits): Handle destination
7488 registers being referenced in the address correctly.
7490 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7491 TREE_UNSIGNED, when bitsize of type's mode is larger than
7492 HOST_BITS_PER_WIDE_INT.
7494 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7496 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7497 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7498 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7500 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7503 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7505 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7506 * h8300.h (TINY_DATA_NAME_P): Likewise.
7507 (STRIP_NAME_ENCODING): Handle '&'.
7509 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7510 register (it could be accessed via an outer SUBREG).
7511 (REG_OK_FOR_BASE_P): Likewwise.
7512 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7514 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7517 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7519 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7521 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7522 must be offsettable so the splits can be made.
7524 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7526 * config/i386/winnt.c: Include system.h, not stdio.h to get
7527 sys/param.h pulled in before rtl.h in case the system defines MIN
7530 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7532 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7534 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7536 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7538 * cpplib.c (cpp_define): Handle macros with parameters.
7540 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7542 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7543 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7544 and DImode 64-bit. Use llong for minimal-toc SFmode and
7545 SYMBOL_REF / LABEL_REF 64-bit.
7546 (output_function_profiler): Use llong for profiler label and ld to
7547 load 64-bit label address.
7549 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7551 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7554 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7556 * version.c: Bump for snapshot.
7558 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7560 * version.c: Bump for snapshot.
7562 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7564 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7566 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7568 * tm.texi (Misc): Fix typo "teh".
7570 * tm.texi (PIC): Fix typo "PPIC".
7572 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7573 effect when -O2 and higher.
7574 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7576 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7578 * regclass.c: Changed register set documentation to be consistent
7581 * final.c (final_start_function) Removed redundant test for
7584 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7586 * rtl.h (rtx_function): New type.
7587 (for_each_rtx): New function.
7588 * rtlanal.c (for_each_rtx): Define it.
7590 * recog.c (change_t): New type.
7591 (change_objects, change_old_codes, change_locs, change_olds):
7593 (changes): New variable.
7594 (validate_change): Dynamically allocate room for more changes, if
7595 necessary. Uses changes array instead of change_objects, etc.
7596 (apply_change_group): Use changes array instead of
7597 change_objects, etc.
7599 * loop.c (loop_mem_info): New type.
7600 (loop_mems): New variable.
7601 (loop_mems_idx): Likewise.
7602 (looop_mems_allocated): Likewise.
7603 (scan_loop): Remove nregs parameter.
7604 (next_insn_in_loop): New function.
7605 (load_mems_and_recount_loop_regs_set): Likewise.
7606 (load_mems): Likewise.
7607 (insert_loop_mem): Likewise.
7608 (replace_loop_mem): Likewise.
7609 (replace_label): Likewise.
7610 (INSN_IN_RANGE_P): New macro.
7611 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7612 (scan_loop): Remove nregs parameter, compute it after any new
7613 registers are created by load_mems. Use INSN_IN_RANGE_P and
7614 next_insn_in_loop rather than expanding them inline. Call
7615 load_mems to load memory into pseudos, if appropriate.
7616 (prescan_loop): Figure out whether or not there are jumps from the
7617 loop to targets other than the label immediately following the
7618 loop. Call insert_loop_mem to notice all the MEMs used in the
7619 loop, if it could be safe to pull MEMs into REGs for the duration
7621 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7623 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7625 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7627 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7629 * config/sparc/sparc.c (finalize_pic): Check for the correct
7630 nonlocal_goto_receiver UNSPEC number.
7631 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7632 making note of this dependency existing in sparc.c
7633 (negtf2_notv9 split): Give NEG SFmode.
7634 (negsf2): Fix insn output string.
7636 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7638 * c-common.c (decl_attributes): Issue an error if the argument
7639 to alias is not a string.
7641 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7643 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7644 pending memory flush list.
7646 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7648 (try_combine): Allow combining insns with REG_LIBCALL notes.
7650 * expr.c (emit_block_move): Do not call memcpy as a libcall
7651 instead build up a CALL_EXPR and call it like any other
7653 (clear_storage): Similarly for memset.
7655 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7658 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7661 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7662 and REG_LIVE_LENGTH as successful substitutions are made.
7664 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7666 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7667 statement after end of loop label.
7669 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7671 * config/sparc/sparc.c (ultra_types_avail): New variable.
7672 (ultra_build_types_avail): New function to record mask of insn
7673 types in ready list at this cycle.
7674 (ultrasparc_sched_reorder): Call it.
7675 (ultra_find_type): Use it to quicken the search. Also simplif
7676 dependency check, don't use rtx_equal_p because we know exactly
7677 what we are looking for.
7679 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7681 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7682 for architecture v4.
7684 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7686 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7688 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7689 movdf_const_intreg and helper splits): New patterns to move float
7690 constants into integer registers.
7691 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7694 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7697 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7699 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7701 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7702 a BASE_REGS register is needed as an intermediate when copying
7703 a symbolic value into any register class other than BASE_REGS.
7705 * expr.c (move_by_pieces): No longer static. Remove prototype.
7706 * rtl.h (move_by_pieces): Add extern prototype.
7707 * mips.c (expand_block_move): Handle aligned straight line copy by
7708 calling move_by_pieces.
7710 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7713 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7715 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7716 jumps out of the loop to be treated as part of the exit test.
7718 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7719 Jeff Law <law@cygnus.com>
7721 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7722 * cplus-dem.c: Delete.
7724 * Makefile.in (fold-const.o): depend on $(RTL_H).
7726 * fold-const.c: Include rtl.h to get the prototype for
7727 `set_identifier_local_value'.
7729 * loop.c (express_from_1): Remove unused variable `tmp'.
7730 (combine_givs): cast the first argument of bzero to char *.
7732 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7734 * c-decl.c (init_decl_processing): Remove unneeded &.
7736 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7738 * except.c (set_exception_lang_code, set_exception_version_code):
7739 Change parameter from `short' to `int' to avoid using a gcc
7742 * except.h (set_exception_lang_code, set_exception_version_code):
7743 Likewise for prototypes.
7745 * flow.c (count_reg_references): Remove unused variables `regno'
7748 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7750 * prefix.c (translate_name): Cast the result of `alloca'.
7752 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7754 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7756 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7758 (valid_dbcc_comparison_p): Mark mode argument as unused.
7759 (symbolic_operand): Likewise.
7760 (legitimize_pic_address): Likewise.
7761 (const_uint32_operand): Likewise.
7762 (const_sint32_operand): Likewise.
7763 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7764 schedule_insns and comment out rest of file.
7766 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7768 (output_move_[hq]imode): Likewise.
7770 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7772 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7773 * invoke.texi: Corresponding changes.
7775 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7777 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7779 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7781 * config/sparc/sparc.c (ultra_code_from_mask,
7782 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7783 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7784 ultrasparc_sched_init, ultrasparc_variable_issue,
7785 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7786 functions to describe UltraSPARC pipeline exactly to Haifa.
7787 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7788 as there is nothing the scheduler can do about it. Indicate that
7789 REG_DEP_OUTPUT's collide. Fixup formatting.
7790 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7791 divide costs on Ultra for DImode.
7792 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7794 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7795 ieuN and add call_no_delay_slot to type list.
7796 (cti function unit): New unit for branches on UltraSPARC.
7797 (subx/addx insns): Set type to misc.
7798 (sidi zero/sign extension insns on arch64): Set type to shift.
7799 (sign_extendhidi2_insn): Set type to sload.
7801 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7803 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7804 (output_epilog): Use if != 0 for offset.
7805 (rs6000_fatal_bad_address): Prepare for Intl.
7806 * rs6000.h (rs6000_fatal_bad_address): Declare.
7807 * rs6000.md (movsfcc, movdfcc): Use else if.
7808 (elf_high): Use {liu|lis}.
7809 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7810 (movsi): Use rs6000_fatal_bad_address.
7812 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7814 * reload.c (find_equiv_reg): Reject equivalences separated
7815 by a volatile instruction.
7817 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7819 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7821 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7823 * alpha.md (movsicc): Fix mode mismatch.
7825 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7827 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7829 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7831 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7833 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7834 write-only modifier from operand 1 constraint.
7836 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7838 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7839 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7841 (sparc_emit_set_const64): Likewise, also when computing trailing
7842 bits do not negate low_bits and make fast_int an int.
7844 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7846 * loop.c (add_label_notes): Do not ignore references to labels
7847 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7848 * gcse.c (add_label_notes): Similarly.
7850 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7852 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7853 (adddi_dishl32): Similarly.
7855 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7857 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7858 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7859 * cse.c (cse_basic_block): Add parens to shut up warnings.
7861 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7863 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7864 sparc_emit_set_const64_longway, const64_is_2insns,
7865 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7866 in 64-bit constant formation.
7867 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7868 rtl for addx not subx.
7869 (define_insn movdi_const64_special): Make available even when
7870 HOST_BITS_PER_WIDE_INT is not 64.
7871 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7872 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7873 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7874 instances of operand 1 inside a QI subreg.
7875 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7876 (one_cmpldi2_sp64): Fix output string.
7877 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7879 (unnamed arch64 ashift DI): Truncate shift count if greater than
7882 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7884 * expr.c (store_expr): Don't optimize away load-store pair
7885 when either source or destination have a side effect.
7887 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7889 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7890 operands of SET are incompatible.
7892 * alpha.md: Fix max and min patterns so modes of SET operands match.
7894 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7896 * configure.in: Avoid [[ by using test and changequote.
7897 * configure: Rebuild.
7899 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7901 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7903 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7904 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7905 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7906 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7907 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7908 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7909 Fix mismatching modes in SET operands.
7910 (conditional move patterns): Fix formatting.
7911 (unnamed subx arch64 pattern): Remove duplicate insn.
7913 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7915 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7916 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7917 (input_operand): Fixup test for what we accept for constant
7919 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7921 (safe_constDI): Remove.
7922 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7923 gen_safe_XOR64): New functions.
7924 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7925 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7927 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7928 available when HOST_BITS_PER_WIDE_INT is not 64.
7929 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7930 move before movdi_insn_sp64 pattern.
7931 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7932 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7933 symbolic_operand as predicate for second operand.
7934 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7935 expander): Give set VOIDmode.
7937 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7939 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7941 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7943 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7945 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7947 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7949 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7951 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7953 * install.texi: Various SCO OpenServer tweaks.
7955 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7957 * reload1.c (eliminate_regs_in_insn): Handle another case when
7958 eliminating the frame pointer to the hard frame pointer. Add
7959 missing ep->to_rtx check to one existing case.
7961 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7963 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7965 * tree.h: De-conditionalize init_priority code.
7967 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7968 * collect2.c (NM_FLAGS): Change from -p to -n.
7970 * configure.in: Turn on collect2 for mipstx39-elf.
7971 Handle use_collect2=no properly.
7973 * c-common.c: De-conditionalize init_priority code.
7974 * collect2.c (extract_init_priority, sort_ids): New fns.
7975 (main): Call sort_ids.
7976 Move sequence_number to file scope.
7978 * configure.in: Handle --enable-init-priority.
7979 * c-common.c (attrs): Add A_INIT_PRIORITY.
7980 (init_attributes, decl_attributes): Likewise.
7981 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7982 * tree.c (get_file_function_name_long): Split out...
7983 (get_file_function_name): ...from here.
7985 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7987 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7990 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7992 * toplev.c (display_help): Add braces to shut up warnings.
7993 * tree.c (simple_cst_equal): Likewise.
7995 * fold-const.c (non_lvalue): Don't deal with null pointer
7997 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7999 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8000 of any size to a pointer.
8002 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8004 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8006 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8008 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8009 which will be saved.
8010 * mn10300.md (prologue insn): Only save registers which need saving.
8011 (epilogue insn): Similarly.
8013 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8016 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8018 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8019 VAR_DECL's in gp addressable sections.
8021 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8023 * sparc.c: Change return <exp> to <exp>; return; in functions
8025 * sparc.md: Add empty semicolon statement after final label in
8028 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8030 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8031 addx_extend_sp64, only allow when TARGET_ARCH64.
8032 (define_insn addx_extend_sp32 and split): Version that works when
8034 (define_insn subx_extend): Likewise.
8035 (define_split adddi3 and subdi3 with zero extension): Fixup and
8036 correct bugs when not TARGET_ARCH64.
8038 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8040 * except.c (set_exception_lang_code, set_exception_version_code):
8041 Use prototype-style definition if __STDC__, to match declaration
8044 * genemit.c: Change FAIL and DONE macros not to use loops.
8046 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8048 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8049 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8051 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8053 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8055 * README.g77: Update from Craig.
8057 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8059 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8061 (safe_constDI sparc_emit_set_const64_quick1,
8062 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8063 analyze_64bit_constant, const64_is_2insns,
8064 create_simple_focus_bits): Fix some bugs when compiled on real
8066 (function_arg_record_value_3, function_arg_record_value_2,
8067 function_arg_record_value): Add fully prototyped forward decls.
8068 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8069 to cmpsi_insn and use on both 64 and 32 bit targets.
8070 (define_insn cmpsi_insn_sp64): Remove.
8071 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8072 (define_insn zero_extendsidi2_insn): Rename to
8073 zero_extendsidi2_insn_sp64.
8074 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8075 assosciated forced split for it.
8077 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8079 * config/sparc/sparc.h: Declare them.
8080 (PREDICATE_CODES): Add them.
8081 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8082 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8084 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8086 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8087 in v9 case as the latter makes the Solaris assembler crash.
8089 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8091 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8092 for TFmode when !v9. We require offsettable memory addresses.
8093 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8094 DFmode register number conversions.
8095 * config/sparc/sparc.md (define_split DFmode moves): If register
8096 is a SUBREG do alter_subreg on it before using.
8097 (define_expand movtf): Fixup comment about alignment on v9.
8098 (define_split TFmode moves): Don't use gen_{high,low}part, create
8099 explicit SUBREGs instead.
8101 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8103 * Makefile.in (mbchar.o): Depend on mbchar.c.
8105 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8106 Richard Henderson <rth@cygnus.com>
8108 Rewrite Sparc backend for better code generation and
8109 improved sparc64 support.
8110 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8112 * config/sparc/sysv4.h: Likewise.
8113 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8114 move_operand, v8plus_regcmp_op, emit_move_sequence,
8115 singlemove_string, doublemove_string, mem_aligned_8,
8116 output_move_double, output_move_quad, output_fp_move_double,
8117 move_quad_direction, output_fp_move_quad, output_scc_insn):
8119 (small_int_or_double): New predicate.
8120 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8121 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8122 old pic_{sethi,lo_sum}_si patterns.
8123 (mem_min_alignment): New generic function to replace
8124 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8125 available and can test for arbitrary alignments. All callers
8127 (save_regs, restore_regs, build_big_number,
8128 output_function_prologue, output_cbranch, output_return,
8129 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8130 sparc_flat_output_function_epilogue): Prettify
8132 (output_function_epilogue): Likewise and add code to output
8133 deferred case vectors.
8134 (output_v9branch): Likewise, add new arg INSN and use it to tack
8135 on branch prediction settings. All callers changed.
8136 (print_operand): Likewise and output %l44 for LO_SUMs when
8138 (sparc_splitdi_legitimate): New function to make sure DImode
8139 splits can be run properly when !arch64.
8140 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8141 Reformat example code in comments.
8142 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8143 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8144 of deferred case vectors we need to output.
8145 (sparc_defer_case_vector): Record a case vector.
8146 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8147 sparc_output_deferred_case_vectors): New functions to output them.
8148 (sparc_emit_set_const32): New function to form 32-bit constants in
8149 registers when that requires more than one instruction.
8150 (safe_constDI, sparc_emit_set_const64_quick1,
8151 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8152 analyze_64bit_constant, const64_is_2insns,
8153 create_simple_focus_bits, sparc_emit_set_const64): New functions
8154 which do the same for 64-bit constants when arch64.
8155 (sparc_emit_set_symbolic_const64): New function to emit address
8156 loading for all code models on v9.
8157 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8158 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8159 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8160 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8161 inaccuracies in comments, add symbolic and text_segment operands
8162 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8163 GENERAL_REGS in these cases as a temp REG is needed to load these
8164 addresses into a register properly.
8165 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8167 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8168 quads are guarenteed to have 16-byte alignment.
8169 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8170 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8171 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8172 deferred case vector implementation.
8173 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8174 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8175 Generate "internal label - label" instead of "label - 1b".
8176 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8177 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8178 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8180 (doublemove_string, output_block_move, output_fp_move_double,
8181 output_fp_move_quad, output_move_double, output_move_quad,
8182 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8183 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8184 (sparc_emit_set_const32, sparc_emit_set_const64,
8185 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8186 mem_min_alignment, small_int_or_double): Add externs.
8187 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8188 UNSPEC_VOLATILE in this backend.
8189 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8190 unary to types which execute in it.
8191 (define_function_unit ieu_shift): Rename to ieu0.
8192 (define_function_unit ieu1): New, executes compare, call, and
8193 uncond_branch type insns.
8194 (define_function_units for type fdivs, fdivd, fsqrt): These
8195 execute in the fpu multiply unit not the adder on UltraSparc.
8196 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8197 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8198 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8199 allows the arith_double_operand predicate and rHI constraint when
8201 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8202 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8203 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8204 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8205 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8206 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8207 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8208 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8209 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8210 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8211 sign_extendqihi2_insn, sign_extendqisi2_insn,
8212 sign_extendqidi2_insn, sign_extendhidi2_insn,
8213 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8214 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8215 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8216 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8217 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8218 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8219 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8220 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8221 smulsi3_highpart_v8plus, unnamed subreg mult,
8222 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8223 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8224 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8225 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8226 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8227 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8228 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8229 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8230 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8231 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8232 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8233 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8234 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8235 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8236 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8237 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8238 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8239 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8240 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8241 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8242 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8243 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8244 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8245 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8246 call_address_untyped_struct_value_sp32,
8247 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8248 call_value_symbolic_sp32, call_value_address_sp64,
8249 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8250 flush_register_windows, goto_handler_and_restore,
8251 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8252 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8253 return_addsi, return_di, return_adddi, return_sf, all call+jump
8254 peepholes, trap, unnamed trap insns): Prettify output strings.
8255 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8256 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8257 Likewise and force + implement splits for integer cases.
8258 (define_insn return_sf_no_fpu): Likewise and allow to match when
8259 no-fpu because of our subreg SFmode splits.
8260 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8261 zero_extendqidi2_insn, zero_extendhidi2_insn,
8262 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8263 input_operand for second operand.
8264 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8265 reg_or_0_operand for operand 2 so new splits can use it.
8266 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8267 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8269 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8270 CONST_DOUBLEs for operand 2.
8271 (define_insn move_label_di): Likewise and label distance
8272 optimization because it no longer works with new deferred case
8273 vector scheme. To be revisited.
8274 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8275 and allow reg_or_0_operand and J constraint for second operand.
8276 (define_insn jump): Set branch predict taken on V9.
8277 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8278 new deferred case vector scheme.
8279 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8280 (define_insn negdi2_sp32): Force + implement splits.
8281 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8282 one_cmplsi2_not_liveg0 respectively, and create expander of original
8283 names which emit special rtl for TARGET_LIVE_G0.
8284 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8285 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8286 gen_compare_reg, FAIL instead.
8287 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8288 values when trying to reverse condition codes, if they FAIL then
8290 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8291 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8292 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8293 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8294 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8295 set output string to # to indicate they are mandatory splits.
8296 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8297 pic_sethi_di, move_pic_label_si): Remove.
8298 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8299 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8301 (define_expand movsi_pic_label_ref, define_insn
8302 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8303 expander and insns to handle PIC label references and deferred
8305 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8307 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8308 Rewrite to not use emit_move_sequence, make use of new constant
8309 formation code, and new splits for all multi-insn cases.
8310 (define_insn movqi_insn): Remove sethi case, it can never happen.
8311 Use reg_or_zero_operand instead of const0_rtx explicit test,
8312 use input_operand instead of move_operand for source, and use
8313 general_operand now for dest.
8314 (define_insn movhi_insn): Similar but leave sethi case.
8315 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8316 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8317 movhi_lo_sum respectively, prettify output string.
8318 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8319 register when needed on TARGET_LIVE_G0.
8320 (define_insn movsi_insn): Use general_operand and input_operand
8321 for dest and src respectively. Simplify applicability test.
8322 Prettify output strings, and add clr alternative for J
8324 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8325 deprecated std and reg-reg DI moves): Remove and...
8326 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8327 implementation which uses forced splits for all non-single insn
8329 (define_split DI move cases on !arch64): New splits to handle all
8330 situations of 64-bit double register DImode on 32bit, and
8331 unaligned registers and memory addresses for all subtargets.
8332 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8334 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8335 input_operand for dest and src respectively, prettify output
8337 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8338 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8340 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8341 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8342 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8343 movtf_no_e_insn_sp64) Replace with new
8344 implementation which uses forced splits for all non-single insn
8346 (define_split DF move cases): New splits in similar vein to DI
8348 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8349 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8350 movdi_sp64_insn): Remove old v9 code model and constant loading
8352 (define_insn pic_lo_sum_di, pic_sethi_di,
8353 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8354 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8355 embmedany_sethi, embmedany_losum, embmedany_brsum,
8356 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8357 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8358 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8359 scheme, using unspecs, secondary reloads, and one to one sparc
8360 insn to rtl insn mapping for better scheduling and code gen.
8361 (define_expand reload_indi, reload_outdi): Reload helpers for
8362 MEDANY and EMBMEDANY symbol address loading cases which require a
8364 (define_expand movsicc): Remove v8plus_regcmp cases.
8365 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8366 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8367 cmp_diqi_trunc_set): New patterns used by some of the new scc
8369 (define_insn xordi3_sp64_dbl): New pattern used for constant
8370 formation when crossing from 32-bit targets.
8371 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8373 (define_insn addx, subx): Make visible and prettify.
8374 (define_insn adddi3_insn_sp32): Likewise and force split.
8375 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8376 64bit scc split usage.
8377 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8378 zero_extend, subdi3): Force and implement splits.
8380 * final.c (final_scan_insn): Don't output labels if target
8381 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8384 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8385 don't forget to walk inside SEQUENCESs too as these are what the
8386 delay slot scheduler will create.
8388 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8390 * alpha.md (extxl+1,+2): New patterns to work around
8393 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8395 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8396 caused bad assembly code to be generated.
8398 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8400 * netbsd.h: Fix typo.
8402 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8404 * config.sub: Fix typo.
8406 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8408 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8410 (Running Protoize): Typo: Change "ther" into "other".
8412 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8414 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8415 * m68k/netbsd.h: Likewise.
8416 * ns32k/netbsd.h: Likewise.
8417 * sparc/netbsd.h: Likewise.
8419 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8421 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8422 * ginclude/va-clipper.h (va_list): Likewise.
8424 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8426 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8427 load/store multiple instructions unless user overrides.
8429 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8431 * ns32k/netbsd.h: Fix typo.
8433 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8435 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8436 labels with .debugsym if no parallel insns.
8438 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8440 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8441 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8443 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8445 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8446 (AR_FOR_TARGET): Define.
8448 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8450 * dyn-string.h: New file.
8451 * dyn-string.c: Likewise.
8452 * Makefile.in (OBJS): Add dyn-string.o.
8453 (dwarf2out.o): Add dyn-string.h dependency.
8454 (dyn-string.o): List dependencies.
8455 * dwarf2out.c: Include dyn-string.h.
8456 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8457 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8458 prototype. Use dyn_string_append rather than strcat, throughout.
8459 (addr_to_string): Use dyn_string_t.
8461 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8463 Function entry/exit profiling instrumentation:
8464 * expr.h (profile_function_entry_libfunc,
8465 profile_function_exit_libfunc): Declare new variables.
8466 * optabs.c: Define them here.
8467 (init_optabs): Initialize them.
8468 * tree.h (struct tree_decl): New flag
8469 no_instrument_function_entry_exit.
8470 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8471 * c-decl.c (duplicate_decls): Merge it.
8472 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8473 (init_attributes): Use it for "no_instrument_function".
8474 (decl_attributes): Handle it, for functions that have not yet been
8475 compiled. Set decl flag.
8476 * flags.h (flag_instrument_function_entry_exit): Declare new
8478 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8479 (f_options): New option "instrument-functions".
8480 * function.h (struct function): New field instrument_entry_exit.
8481 * function.c (current_function_instrument_entry_exit): New
8483 (push_function_context_to, pop_function_context_from): Save and
8485 (expand_function_start): Set current_ variable, maybe emit return
8486 label and entry profile call.
8487 (expand_function_end): Maybe emit exit profile call.
8489 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8491 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8492 NON_QI_REG_P, pretend the register is SImode.
8494 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8496 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8497 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8498 manufacturer id for ns32k.
8499 * configure: Regenerated.
8500 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8501 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8502 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8503 * config/m68k/netbsd.h: Same.
8504 * config/ns32k/netbsd.h: Same.
8505 * config/sparc/netbsd.h: Same.
8507 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8509 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8510 or UNROLL_COMPLETELY loop that starts with a jump to its
8513 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8515 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8516 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8517 (print_operand, case 'B'): Don't fall through.
8518 (print_operand, case 'S'): Correct mask begin/end computation.
8519 Use HOST_BITS_PER_WIDE_INT.
8520 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8521 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8522 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8523 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8525 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8527 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8528 constraint from second alternative.
8530 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8532 * configure.in: Fix --without/--disable cases for local-prefix,
8533 gxx-include-dir and checking.
8535 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8537 * configure.in (enable_haifa): Set by default for sparc64 too.
8540 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8542 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8543 * i386/winnt.c (associated_type): New fn.
8544 (i386_pe_valid_type_attribute_p): New fn.
8545 (i386_pe_check_vtable_importexport): Remove.
8546 (i386_pe_dllexport_p): Use associated_type.
8547 (i386_pe_dllimport_p): Likewise.
8549 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8550 * i386.c (i386_valid_type_attribute_p): Also accept
8551 attributes for METHOD_TYPEs.
8553 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8555 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8557 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8559 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8561 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8562 them from generating a new base name for each occurence of
8565 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8567 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8569 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8573 * cplus-dem.c (type_kind_t): New type.
8574 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8575 on this paramter, rather than demangling the type again.
8576 (demangle_integral_value): Pass tk_integral.
8577 (demangle_template_: Pass the value returned from do_type.
8578 (do_type): Return a type_kind_t. Pass tk_integral to
8579 demangle_template_value_parm for array bounds.
8580 (demangle_fund_type): Likewise.
8582 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8584 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8587 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8589 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8591 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8593 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8595 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8598 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8600 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8601 (DEBUGGER_ARG_OFFSET): Likewise.
8603 * mn10300.md (movsf): Remove last change. Not needed.
8605 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8607 * c-lex.c (yylex): Fix boundary conditions in character literal and
8608 string literal loops.
8610 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8612 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8613 being invoked incorrectly.
8615 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8616 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8618 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8619 * configure.in: Added i[34567]86-*-win32
8620 * config.sub: Ditto.
8621 * configure: Rebuilt.
8623 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8625 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8626 the frame pointer and compiling PIC code and reload has not completed.
8628 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8631 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8633 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8635 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8637 * Makefile.in (install-info): Only try to update the info
8638 directory file if it exists in the first place.
8640 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8642 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8644 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8646 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8647 CONST_DOUBLE source.
8649 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8651 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8652 strings as the insertion of USER_LABEL_PREFIX.
8653 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8655 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8658 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8660 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8661 already defined type.
8663 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8665 * expr.c (check_max_integer_computation_mode): Allow conversions
8666 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8667 (expand_expr): Likewise.
8669 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8671 * expr.c (expand_expr): Expand RETURN_EXPR.
8673 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8675 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8677 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8679 * dwarf2out.c (output_aranges): Call stripattributes
8680 for TEXT_SECTION references.
8681 (output_line_info): Likewise.
8683 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8685 * profile.c (branch_prob): Call allocate_reg_info after outputting
8686 profile rtl in instrument_arcs.
8688 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8690 * fixinc.irix (math.h): Install wrapper instead of copying.
8692 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8694 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8695 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8696 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8697 lang_flag_0. Added documentation in the flag table.
8699 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8701 * cccp.c (do_include): Fix vax c style include handling.
8703 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8705 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8707 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8709 * fold-const.c (non_lvalue): Don't deal with null pointer
8711 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8713 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8715 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8716 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8717 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8718 (u_short_cint_operand): Same.
8719 (reg_or_cint_operand): Same.
8720 (logical_operand): Same.
8721 (input_operand): Same.
8722 (reg_or_short_operand): Use u_short_cint_operand.
8724 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8726 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8727 but keep the insns and splits. Adjust so when the ultimate destination
8728 is memory, use cvtql.
8730 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8732 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8734 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8736 * gcc.c (do_spec): Call "error" not "warning".
8738 * configure.in: Fix minor problems with gas feature detection code.
8739 * configure: Rebuilt.
8741 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8744 * gcc.c: Delete %[spec] support.
8745 (do_spec_1, case '('): Likewise.
8746 (do_spec_1, case '['): Call error.
8748 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8750 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8751 (CPP_SUBTARGET_SPEC): Default to empty string.
8752 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8753 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8754 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8755 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8757 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8758 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8759 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8760 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8761 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8762 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8763 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8764 * alpha/vxworks.h: Likewise.
8766 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8768 * mips.md (reload_outsi): Added missing REGNO call.
8769 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8771 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8772 another match_operator and compare the codes.
8774 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8776 * MIPS multiply pattern fixes:
8777 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8778 Add union classes for HI, LO, or HILO plus general registers.
8779 (GENERATE_MADD): Deleted.
8780 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8781 Add TARGET_MAD to condition.
8782 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8783 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8784 "*d" for accumulator, to give preference to LO initially but not
8787 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8789 * configure.in (enable_c_mbchar): New configure option.
8790 (extra_cpp_objs): Always available now.
8792 * cexp.y (mbchar.h): #include it.
8793 (yylex): Handle Multibyte characters in character literals.
8795 * cccp.c (mbchar.h): #include it.
8796 (main): Set character set based on LANG environment variable.
8797 (rescan): Handle multibyte characters in comments.
8798 (skip_if_group): See above.
8799 (validate_else): See above.
8800 (skip_to_end_of_comment): See above.
8801 (macarg1): See above.
8802 (discard_comments): See above.
8803 (rescan): Handle multibyte characters in string and character literals.
8804 (collect_expansion): See above.
8805 (skip_quoted_string): See above.
8806 (macroexpand): See above.
8807 (macarg1): See above.
8808 (discard_comments): See above.
8809 (change_newlines): See above.
8811 * c-lex.c (mbchar.h): #include it.
8812 (GET_ENVIRONMENT): New macro.
8813 (init_lex): Set character set based on LANG environment variable.
8814 (yylex): Handle multibyte characters in character literals.
8815 (yylex): Handle multibyte characters in string literals.
8817 * Makefile.in (mbchar.o): New target.
8818 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8819 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8821 * mbchar.[ch]: New files for multibyte character handling.
8823 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8825 * jump.c (jump_optimize): When simplifying noop moves and
8826 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8827 the PUSHes to rewrite in second loop as we did in the first.
8829 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8831 * cplus-dem.c (demangle_nested_args): Make function definition
8832 static to match the prototype.
8834 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8836 * alloca.c: Respect USE_C_ALLOCA.
8837 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8838 * gengenrtl.c (xmalloc): Likewise.
8840 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8842 * loop.h (struct induction): Add no_const_addval.
8843 * loop.c (the_movables, reg_address_cost): New variables.
8844 (init_loop): Init reg_address_cost.
8845 (loop_optimize): Call end_alias_analysis.
8846 (scan_loop): Init the_movables.
8847 (record_giv): Init induction->no_const_addval.
8848 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8849 [REG]: Rearrange loop search test to catch more cases.
8850 (general_induction_var): Return success not benefit; take an extra
8851 argument for that. Change all callers.
8852 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8853 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8854 [default]: Search the_movables for additional combinations.
8855 (sge_plus_constant, sge_plus): New functions.
8856 (express_from_1): New function.
8857 (express_from): Always define. Rewrite using express_from_1.
8858 (combine_givs_p): Handle more cases. Ignore address cost.
8859 (cmp_combine_givs_stats): New function.
8860 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8861 (combine_givs): Rewrite to do best-fit combination.
8863 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8864 (fold): Do a complete (A*C)+(B*C) association check.
8866 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8868 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8870 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8872 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8874 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8876 * tree.c (valid_machine_attribute): Only create a new type variant if
8877 there is a decl to use it.
8879 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8881 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8884 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8886 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8889 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8891 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8892 Simplify tests for clearing an address register.
8893 (expand_prologue): Corresponding changes.
8895 * mn10300.md (movXX patterns): Make sure the destination is an
8896 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8897 (logical patterns): Split into expanders + patterns
8898 (zero and sign extension patterns): Similarly.
8899 (shift patterns): Similarly.
8901 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8903 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8904 for the sequence, recording base values.
8906 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8908 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8910 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8912 * gcc.c: Remove ANSI-C ism from --help code.
8914 * toplev.c: Support --help with USE_CPPLIB.
8916 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8918 * configure.in: Rework gas feature code to work with symlink based
8921 * extend.texi: Clarify some issues related to local variables
8922 assigned to explicit registers.
8924 * mn10300.md (mulsi): Turn into expander + pattern.
8926 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8929 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8931 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8933 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8935 * version.c: Bump again to distinguish mainline tree from the
8938 See ChangeLog.0 for earlier changes.
8941 add-log-time-format: current-time-string