1 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
3 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
4 (basic_block_end): Rename to x_basic_block_end.
5 (BLOCK_HEAD, BLOCK_END): Update.
7 * caller-save.c: Change basic_block_head/end references to
9 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
10 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
11 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
13 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15 * gcc.c (xstrerror): Renamed from my_strerror. All callers
16 changed. Remove prototype since we get that from libiberty.h.
18 * protoize.c (xstrerror): Likewise.
20 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22 * gcc.c (read_specs): Ensure format specifiers match their arguments.
24 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
26 * tree.c (copy_node): Oops. That would be copy not zero
29 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
31 * config/c4x/c4x.c: Include system.h.
32 (c4x_caller_save_map): Disable caller save for RC.
33 (c4x_optimization_options): Disable scheduling before reload.
34 (valid_parallel_load_store) : Define return type as int.
35 Remove unused variable regs.
36 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
38 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
40 (*db, decrement_and_branch_until_zero): Fix up constraints
43 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
45 * tree.c (make_node): Call bzero instead of inline clear.
46 (copy_node, make_tree_vec, build1): Likewise.
47 (get_identifier): Call strlen instead of inline count.
48 (maybe_get_identifier): Likewise.
50 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
52 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
53 operations in 3rd annulled delay slot.
54 (*lshrqi3_const_set): Disallow c constraint for operand0.
55 (modhi3+1, modhi3+2): Set attribute type to multi.
56 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
59 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
61 * gansidecl.h: Allow attribute unused on labels only when we are
62 version 2.93 or higher. Not all versions of 2.92 have this feature.
64 * version.c: Bump minor number to 93.
66 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
68 * config/m68k/m68k.h: Declare output_function_epilogue.
69 * recog.h: Declare next_insn_tests_no_inequality.
71 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
73 * stmt.c (optimize_tail_recursion): New function, extracted from ...
74 (expand_return): Use optimize_tail_recursion.
75 * tree.h (optimize_tail_recursion): Declare.
77 * toplev.c (compile_file): Move call to output_func_start_profiler
78 to after the loop to emit deferred functions.
80 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
82 * system.h (abort): Supply more detailed information on how to
83 report an Internal Compiler Error.
85 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
87 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
88 allocate memory that will live beyond this function.
89 (expand_call): Free it here.
91 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
93 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
94 integer data not destined for fp regs.
95 (LEGITIMIZE_RELOAD_ADDRESS): New.
97 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
98 Richard Henderson <rth@cygnus.com>
100 Support for Hypersparc and Sparclite86x:
101 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
102 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
103 (ASM_CPU32_DEFAULT_SPEC): Likewise.
104 (TARGET_CPU_DEFAULT): Likewise.
105 (enum processor_type): Likewise.
106 (CPP_ENDIAN_SPEC): Handle little endian data.
107 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
108 (ADJUST_COST): Call sparc_adjust_cost.
109 * sparc.c (sparc_override_options): Fix up for the new targets.
110 (supersparc_adjust_cost): Make static.
111 (hypersparc_adjust_cost): New.
112 (ultrasparc_adjust_cost): Make static.
113 (sparc_adjust_cost): New.
114 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
115 (function_unit): Add hypersparc scheduling rules.
117 * configure.in (with_cpu handler): Recognize hypersparc.
119 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
121 * config/c4x/c4x.c: Added space after negation operator.
122 * config/c4x/c4x.h: Likewise.
123 * config/c4x/c4x.md: Likewise.
125 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
127 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
129 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
131 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
132 when a test can't be performed due to limited width of
133 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
134 Fix UDIV case for cases where the first operand has the highest bit
137 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
139 * pa.h (reg_class): Add FPUPPER_REGS.
140 (REG_CLASS_NAMES): Similarly.
141 (REG_CLASS_CONTENTS): Similarly
142 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
143 (FP_REG_CLASS_P): Likewise.
144 (REG_CLASS_FROM_LETTER): Similarly.
145 (CLASS_MAX_NREGS): Similarly.
147 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
149 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
150 for a typedef of bool. Make sure to have a copy of the file is
151 in place before we look to fix it. Fix typo in variable name to
154 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
156 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
157 value_mode for the return mode.
159 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
161 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
162 debugging as default.
164 * config/tm-dwarf2.h: New file.
166 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
168 * h8300.h (ASM_OUTPUT_LABELREF): Define.
170 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
171 * local-alloc.c (update_equiv_regs): Corresponding changes.
172 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
174 * calls.c (special_function_p): Push alloca test inside the large
175 conditional which excludes functions not at file scope or not
178 * calls.c (special_function_p): New function broken out of
180 (precompute_register_parameters): Likewise.
181 (store_one_arg): Likewise.
182 (store_unaligned_argumetns_into_pseudos): Likewise.
183 (save_fixed_argument_area): Likewise.
184 (restore_fixed_argument_area): Likewise.
185 (expand_call): Corresponding changes.
187 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
189 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
191 (const_sint32_operand): Likewise.
193 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
195 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
196 is a macro when deciding if we can use `jmp_buf' in prototypes.
198 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
200 * config/c4x/c4x.md (addqi3): If the destination operand is
201 a hard register other than an extended precision register,
202 emit addqi3_noclobber.
203 (*addqi3_noclobber_reload): New pattern added so that reload
204 will recognise a store of a pseudo, equivalent to the sum
205 of the frame pointer and a constant, as an add insn.
207 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
209 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
210 * configure: Rebuilt.
211 * i386/xm-go32.h: Define LIBSTDCXX.
213 * i386/go32.h (MD_EXEC_PREFIX): Define.
214 (FILE_NAME_ABSOLUTE_P): Define.
215 (LINK_COMMAND_SPEC): Define.
217 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
219 * expr.c (store_expr): If the lhs is a memory location pointed
220 to be a postincremented (or postdecremented) pointer, always
221 force the rhs to be evaluated into a pseudo.
223 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
225 * real.c (mtherr): Print more reasonable warning messages.
227 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
229 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
231 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
232 (new_include_prefix): Constify char* parameters.
234 * cppfiles.c (read_name_map): Likewise.
235 (append_include_chain): Likewise. Also, use a writable char* copy
236 of parameter `dir' which we then modify, rather than using the
237 parameter itself to store the new writable string.
238 (remap_filename): Constify some variables. Also, use a writable
239 char* to store an allocated string which we will be modifying.
241 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
242 (cpp_start_read): Constify variable `str'.
244 * cpplib.h (append_include_chain): Constify a char* parameter.
246 * gcc.c Include prefix.h, don't prototype prefix.c functions.
247 (add_prefix, save_string): Constify char* parameters.
248 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
250 * prefix.c: Include prefix.h.
251 (get_key_value, translate_name, save_string, update_path,
252 set_std_prefix): Constify various char* parameters and variables.
253 (save_string): Use xmalloc, not malloc.
254 (translate_name): Use a writable temporary variable to create and
255 modify a string before setting it to a const char*.
257 * prefix.h: New file to prototype functions exported from prefix.c.
259 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
261 * cpplib.c (skip_if_group): Split out the logic that handles
262 directive recognition to its own function. Don't use
263 parse markers; use a bare pointer into the buffer. Use
264 copy/skip_rest_of_line instead of doing it by hand. Remove
265 `return on any directive' mode which was never used, and take
267 (consider_directive_while_skipping): New function, subroutine
268 of skip_if_group. Logic streamlined a bit.
269 (conditional_skip, do_elif, do_else): Call skip_if_group with
272 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
274 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
277 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
279 * extend.texi (Bound member functions): Document.
281 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
283 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
284 lang_to_string, type_to_string): Make return type const char*.
285 (print_symbol): Apply `const' keyword to a char*.
286 (print_file_desc): Cast structure member `crfd' to ulong when
287 comparing against one.
289 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
290 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
291 (progname, input_name): Apply `const' keyword to a char*.
292 Don't redundantly include sys/stat.h.
293 (alloc_info): Apply `const' keyword to a char*.
294 (st_to_string, sc_to_string): Likewise.
295 (hash_string): Cast variable `hash_string' to a symint_t when
296 comparing against one.
297 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
298 Likewise cast it to long when comparing against one.
299 (add_local_symbol): Apply `const' keyword to a char*.
300 (add_ext_symbol): Likewise.
301 (add_unknown_tag): Likewise.
302 (add_procedure): Cast a printf-style field width to an int.
303 (add_file): Cast PAGE_USIZE to long when comparing against one
304 (parse_begin): Cast a printf-style field width to an int.
305 (parse_bend): Likewise.
306 (parse_def): Likewise.
307 (parse_end): Likewise.
308 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
309 (parse_stabs_common): Fix format specifier.
310 (parse_input): Change type of variable `i' to Size_t.
311 (write_object): Fix arguments to match format specifiers.
312 Cast variable `num_write' to long when comparing against one.
313 (read_seek): Cast variable `sys_read' to symint_t when comparing
314 against one. Fix arguments to match format specifiers. Cast
315 variable `size' to long when comparing against one.
316 (copy_object): Cast result of `sizeof' to int when comparing
317 against one. Fix arguments to match format specifiers. Cast
318 variable `ifd' to long when comparing against a signed value.
321 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
323 * c-common.c (decl_attributes): Allow applying attribute `unused'
326 * c-parse.in (label): Parse attributes after a label, and call
327 `decl_attributes' to handle them.
329 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
331 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
332 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
334 * invoke.texi: Note that labels can be marked `unused'.
336 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
338 * version.c: Bump for snapshot.
340 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
342 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
343 RTL for a compare/jump sequence.
345 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
347 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
348 for a target with HAVE_cc0 defined.
349 (emit_cmp_and_jump_insns): New function.
350 * expr.h (emit_cmp_and_jump_insns): Prototype it.
351 * loop.c (check_dbra_loop): Use it to replace calls
352 to emit_cmp_insn and emit_jump_insn and to canonicalise
353 the comparison if necessary.
354 * unroll.c (unroll_loop): Likewise.
356 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
358 * fixincludes (sys/utsname.h): Provide forward declaration of
359 struct utsname on Ultrix V4.[35].
361 * mips.md (div_trap): Use local labels instead of dot-relative
364 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
366 * pa.md (branch, negated branch): Handle (const_int 0) as first
368 * pa.c (output_cbranch): Likewise.
370 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
372 * rs6000.c (rs6000_stack_info): Undo spurious part of last
375 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
377 * extend.texi (__builtin_constant_p): Add missing @smallexample.
379 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
381 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
383 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
385 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
386 (adddi_dishl32): Similarly.
388 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
389 for each insn in the skipped block.
391 * reload1.c (reload_as_needed): Verify that the insn satisfies its
392 constraints after replacing a register address with an autoincrement
393 address for reload inheritance purposes.
395 * i386.md (doubleword shifts): Avoid namespace pollution.
397 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
399 * configure.in (FreeBSD ELF): Needs special crt files.
401 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
403 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
405 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
407 * loop.c (check_dbra_loop): While reversing the loop, if the
408 comparison value has a VOID mode use the mode of the other operand
411 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
413 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
414 avoid warnings in compiling explow.c.
416 (patch from Ken Raeburn, raeburn@cygnus.com)
417 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
418 fpmem_offset. Compute total size after that, and then
419 rs6000_fpmem_offset using both values.
421 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
423 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
424 the future; indeed that already happens in some cases.
426 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
428 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
429 (arith_operand): Remove constant_p_rtx handling.
430 (const64_operand, const64_high_operand): Likewise.
431 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
432 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
433 (small_int_or_double, uns_small_int, zero_operand): Likewise.
434 * sparc.h (PREDICATE_CODES): Likewise.
436 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
438 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
440 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
441 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
442 consider constant CONSTRUCTOR constant and to defer some cases
444 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
445 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
447 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
449 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
450 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
452 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
453 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
454 (sext_add_operand, and_operand, or_operand): Likewise.
455 (reg_or_cint_operand, some_operand, input_operand): Likewise.
456 * alpha.h (PREDICATE_CODES): Likewise.
458 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
460 * version.c: Bump for snapshot.
462 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
464 * gengenrtl.c (gencode): Always use bzero to clear memory instead
465 of dangerous casts and stores.
467 * Makefile.in (compare, gnucompare): Add missing else true clauses.
469 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
471 * alpha.md (builtin_longjmp): Add missing "DONE".
473 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
475 * gcc.c (execute): Enable -pipe with win32.
477 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
479 * config/arm/t-arm-elf: Add multiplib option for leading
482 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
483 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
485 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
486 than variable 'reload_address_base_reg_class'. [Note this
487 change is unrelated to the others in this patch].
489 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
492 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
494 * alias.c (record_alias_subset): Remove ignored `&'.
495 (init_alias_once): Likewise.
497 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
499 * config/mips/mips.c (mips_asm_file_end): Cast the result of
500 fwrite to `int' when comparing against one.
502 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
503 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
505 * cse.c (rehash_using_reg): Change type of variable `i' to
508 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
511 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
513 * final.c (final_scan_insn): Likewise for variable `i'.
514 (output_asm_insn): Cast a char to unsigned char when used as an
517 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
520 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
522 * recog.c (preprocess_constraints): Cast a char to unsigned char
523 when used as an array index.
525 * regmove.c (find_matches): Likewise.
527 * reload1.c (calculate_needs): Add default case in switch.
528 (eliminate_regs_in_insn): Initialize variable `offset'.
529 (set_offsets_for_label): Change type of variable `i' to unsigned.
530 (reload_as_needed): Wrap variable `i' in macro check on
531 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
533 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
534 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
535 when comparing against one.
537 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
538 unsigned when comparing against one. Likewise for
539 GET_MODE_ALIGNMENT().
540 (layout_record): Cast record_align to int when comparing against a
542 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
545 * tree.c (get_identifier): Cast variable `len' to unsigned when
546 comparing against one.
547 (maybe_get_identifier): Likewise
549 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
551 * toplev.c (rest_of_compilation): Do not set reload_completed.
552 * reload1.c (reload): Set reload_completed before calling
553 cleanup_subreg_operands.
555 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
557 * reload1.c (emit_reload_insns): Check `set' not null before use.
559 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
561 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
564 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
566 * halfpic.c (half_pic_encode): Delete redundant code.
568 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
570 * toplev.c (main): Delete handling of -dM as a preprocessor
573 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
575 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
576 -dI, which are handled by the preprocessor.
578 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
580 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
581 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
583 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
585 * version.c: Bump for snapshot.
587 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
589 * version.c: Bump for snapshot.
591 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
593 * version.c: Bump for snapshot.
595 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
597 * genattr.c (fatal): Qualify a char* with the `const' keyword.
599 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
600 write_unit_name, write_eligible_delay, expand_units,
601 make_length_attrs, write_attr_case, find_attr,
602 make_internal_attr): Likewise.
603 * gencheck.c (tree_codes): Likewise.
604 * gencodes.c (fatal): Likewise.
605 * genconfig.c (fatal): Likewise.
606 * genemit.c (fatal): Likewise.
607 * genextract.c (fatal, walk_rtx, copystr): Likewise.
608 * genflags.c (fatal): Likewise.
609 * genopinit.c (fatal, optabs, gen_insn): Likewise.
610 * genoutput.c (fatal, error, predicates): Likewise.
611 * genpeep.c (fatal): Likewise.
612 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
613 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
615 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
617 * configure.in (with-fast-fixincludes): Fix whitespace.
618 * configure: Rebuilt.
620 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
621 asm() etc. function declarations in __DECC.
623 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
625 * expr.c (emit_move_insn_1): Only emit a clobber if the target
626 is a pseudo register.
628 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
630 * gcse.c: Include expr.h in order to get the prototype for
631 get_condition() which is used in delete_null_pointer_checks().
633 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
635 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
637 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
639 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
640 (ALL_CFLAGS): Delete SCHED_CFLAGS.
642 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
644 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
647 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
649 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
650 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
651 optimizations from the combiner.
653 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
655 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
657 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
659 * toplev.c (main): Disable optimize_size if a specific
660 optimization level is requested. Always set optimization
661 level to 2 if -Os is specified.
663 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
665 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
667 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
668 initialize it using fname.
670 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
672 * cpplib.c (do_include): Treat #include_next in the
673 primary source file as #include plus warning. Treat
674 #include_next in a file included by absolute path as an
675 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
677 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
679 * cccp.c: Don't define MIN/MAX anymore.
680 * cpplib.c: Likewise.
681 * machmode.h: Likewise.
682 * system.h: Provide definitions for MIN/MAX.
684 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
686 * fix-header.c: Don't define xstrdup here.
688 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
690 * loop.c (consec_sets_giv): New argument last_consec_insn.
691 (strength_reduce): Provide / use it.
693 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
695 * loop.h (loop_info): New field 'vtop'.
696 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
697 scanning loop for vtop.
698 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
699 (loop_iterations): Use them to determine if loop has a constant
700 number of iterations. Set loop_info->vtop. Don't subtract
701 common reg term from initial_value and final_value if have a
704 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
706 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
708 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
710 * mn10200.md (abssf2, negsf2): New expanders.
712 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
714 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
716 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
717 replaced by a CONCAT whoes components do not have the same
718 mode as the original SUBREG, use a new SUBREG to restore the
721 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
722 multiword complex values.
724 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
726 * cppalloc.c: Add xstrdup here.
727 * cpplib.h: Remove savestring prototype.
728 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
730 * cppfiles.c: s/savestring/xstrdup/ throughout.
732 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
734 * cpplib.c: Make all directive handlers read their own
736 (struct directive): Remove last two arguments from FUNC
737 member prototype. Remove `command_reads_line' member
739 (directive_table): Remove initializations of
740 command_reads_line flag. Pretty-print.
741 (eval_if_expression, do_define, do_line, do_include,
742 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
743 do_else, do_elif, do_sccs, do_assert, do_unassert,
744 do_warning): Take only two args.
746 (cpp_define): Call do_define with two args and the text to
747 define stuffed into a buffer.
748 (make_assertion): Call do_assert with two args.
749 (handle_directive): Call do_line with two args. Call
750 kt->func with two args. Remove command_reads_line
752 (do_define, do_undef, do_error, do_warning, do_pragma,
753 do_sccs): Read the rest of the line here.
754 (do_ident): Gobble rest of line, as cccp does.
755 (cpp_undef): New function.
756 (cpp_start_read): Call cpp_undef instead of do_undef.
758 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
760 * cpphash.h (union hash_value): Remove `keydef' member, add a
761 `struct hashnode *aschain' member for #assert.
763 * cpplib.c (struct tokenlist_list, struct
764 assertion_hashnode): Delete structure definitions.
765 (assertion_install, assertion_lookup, delete_assertion,
766 check_assertion, compare_token_lists, reverse_token_list,
767 read_token_list, free_token_list): Delete functions.
768 (parse_assertion): New function.
769 (cpp_cleanup): Don't destroy the assertion_hashtable.
771 (do_assert): Gut and rewrite. #assert foo (bar) places
772 entries for `#foo' and `#foo(bar)' in the macro hash table,
773 type T_ASSERT. The value union's `aschain' member is used
774 to chain all answers for a given predicate together.
775 (do_unassert): Also rewritten. Take an un-asserted
776 answer off the chain from its predicate and call
777 delete_macro on the hashnode, or walk a predicate chain
778 calling delete_macro on all the entries.
779 (cpp_read_check_assertion): Simply call parse_assertion to
780 get the canonical assertion name, and look that up in the
783 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
786 * cpphash.c (install): Use bcopy instead of an explicit loop
787 to copy the macro name.
789 * cppexp.c (cpp_lex): Convert the result of
790 cpp_read_check_assertion to a `struct operation' directly;
791 don't go through parse_number.
793 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
795 * loop.h (struct induction): Delete times_used member.
796 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
797 (n_times_used): Rename to n_times_set. Changed all users.
798 (scan_loop): Free reg_single_usage before strength reduction.
799 (record_giv, combine_givs): Remove handling of times_used member.
800 (combine_givs_used_once): Rename to:
801 (combine_givs_used_by_other) . Changed all callers.
803 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
805 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
806 instead of TREE_CODE_CLASS == 't'.
807 (gen_type_die): Likewise.
808 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
810 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
812 * real.c (endian): Disable last change unless
813 HOST_BITS_PER_WIDE_INT is greater than 32.
815 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
817 * output.h (force_data_section): New prototype.
818 * varasm.c (force_data_section): New function to force the
819 data section, regardless of what in_section thinks.
820 * dwarf2out.c (output_call_frame_info): Call force_data_section
821 since varasm may not realize we've changes sections.
823 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
825 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
826 after completeing reload.
828 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
829 deleted after reload.
831 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
833 * rtl.h (multiple_sets): Fix prototype.
834 * rtlanal.c (multiple_sets): Fix return type.
836 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
838 * version.c: Bump for snapshot.
840 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
842 * version.c: Bump for snapshot.
844 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
846 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
848 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
850 * rtl.h (recompute_reg_usage): Add second argument.
851 * flow.c (recompute_reg_usage): Likewise.
852 * toplev.c (rest_of_compilation): Supply second argument to
855 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
858 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
860 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
861 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
862 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
865 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
867 * rtlanal.c (multiple_sets): New function.
868 * rtl.h (multiple_sets): Declare it.
869 * local-alloc.c (wipe_dead_reg): Use it.
870 * global.c (global_conflicts): Likewise.
872 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
874 * global.c (record_conflicts): Don't use an array of shorts to
875 store an array of ints.
876 (global_conflicts): Likewise.
878 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
880 * alpha.c (alpha_expand_block_move): mode_for_size expects
881 bits, not bytes. Infer extra alignment from addressof.
883 1998-12-11 Michael Meissner <meissner@cygnus.com>
885 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
886 .sbss section, not .sdata.
888 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
890 * cccp.c: Do not #include <sys/stat.h> here; this is already done
892 * collect2.c: Likewise.
893 * cpplib.h: Likewise.
896 * getpwd.c: Likewise.
897 * protoize.c: Likewise.
898 * toplev.c: Likewise.
900 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
901 and don't try to define it here.
902 * Makefile.in (cppmain.o): Depend on machmode.h.
903 (cpplib.o): Likewise.
904 (cpperror.o): Likewise.
905 (cppexp.o): Likewise.
906 (cppfiles.o): Likewise.
907 (cpphash.o): Likewise.
908 (cppalloc.o): Likewise.
909 (fix-header.o): Likewise.
910 (scan-decls.o): Likewise.
912 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
914 * sh.c (print_operand): lookup interrupt_handler attribute instead
915 of relying on static variable.
916 * (calc_live_regs): Likewise.
917 * (sh_pragma_insert_attributes): Create interrupt_handler
918 attribute if a pragma was specified
919 * (sh_valid_machine_decl_attribute): Don't set static flag.
920 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
922 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
924 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
925 to determine if a register is live at a jump destination.
926 Everything is dead at a BARRIER.
928 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
930 * cse.c (simplify_unary_operation): Sign-extend constants when
931 they have the most significant bit set for the target.
932 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
934 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
935 HOST_WIDE_INT temporary before negating it.
936 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
938 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
940 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
943 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
945 * collect2.h: New header file for prototypes.
947 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
949 * collect2.c: Include collect2.h.
952 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
954 * flow.c: Update some comments.
956 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
958 * objc/objc-act.c (cpp_initialized): Removed.
959 (lang_init_options): Initialize cpplib.
960 (lang_decode_option): Move initialization of cpplib to
962 * c-lang.c: (parse_options,parse_in): Added.
963 (lang_init_options): Initialized cpplib here.
964 * c-decl.c (parse_options,cpp_initialized): Removed.
965 (c_decode_option): Move initialization of cpplib to
968 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
970 * reload1.c (reload_combine, reload_combine_note_store):
971 Make STORE_RUID always valid.
972 (reload_combine): Check if BASE is clobbered too early.
974 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
976 * reload.c (find_reloads): Display the insn that cannot be
979 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
981 * cccp.c (create_definition): Fix end of bufer logic.
983 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
985 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
986 pointer parameters changed to use the PARAMS() macro.
988 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
990 * except.h (struct handler_info): Add handler_number field.
991 * except.c (gen_exception_label): EH labels no longer need to be
992 on the permanent obstack.
993 (get_new_handler): Set the label number field.
994 (output_exception_table_entry): Regenerate handler label reference
995 from the label number field.
996 (init_eh): Remove a blank line.
997 * integrate.c (get_label_from_map): Labels no longer need to be
998 on the permanent obstack.
1000 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1002 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1003 only when OUTER_CODE is SET.
1005 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1007 * loop.c (strength_reduce): If scan_start points to the loop exit
1008 test, be wary of subversive use of gotos inside expression statements.
1009 Don't set maybe_multiple for a backward jump that does not
1010 include the label under consideration into its range.
1011 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1013 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1015 * explow.c (plus_constant_wide): Don't immediately return with
1016 result of recursive call.
1018 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1020 * eh-common.h (struct eh_context): Add table_index for rethrows.
1022 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1023 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1024 processed when inlined or unrolled (ie duplicated in some way).
1026 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1028 * expr.h (rethrow_libfunc): New library decl.
1030 * optabs.c (rethrow_libfunc): Initialize.
1032 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1033 (new_eh_region_entry): No longer exported from except.c.
1034 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1035 different prototype.
1036 (rethrow_symbol_map, rethrow_used): New exported functions.
1037 (eh_region_from_symbol): New exported function.
1039 * except.c (create_rethrow_ref): New function to create a single
1040 SYMBOL_REF for a rethrow region.
1041 (push_eh_entry): Initialize a rethrow ref.
1042 (func_eh_entry): Add a rethrow_label field.
1043 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1044 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1045 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1046 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1047 a region into an appropriate new symbol.
1048 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1049 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1050 (end_catch_handler): Emit a barrier for new-exceptions since
1051 control can never drop through the end of a catch block.
1052 (expand_end_all_catch): new-exceptions never fall through a catch
1054 (expand_rethrow): use __rethrow routine for new exceptions.
1055 (output_exception_table_entry): Generate rethrow labels, if needed.
1056 (output_exception_table): Generate start and end rethrow labels.
1057 (init_eh): Create rethrow symbols for beginning and end of table.
1058 (scan_region): Don't eliminate EH regions which are the targets of
1061 * flow.c (make_edges): Add different edges for rethrow calls,
1062 identified by having the REG_EH_RETHROW reg label.
1063 (delete_unreachable_blocks): Don't delete regions markers which are
1064 the target of a rethrow.
1066 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1067 allow save_for_inline_copying to call duplicate_eh_handlers.
1068 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1069 exposing internal details of exception regions.
1070 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1071 (expand_inline_function_eh_labelmap): New callback routine to
1072 allow expand_inline_function to call duplicate_eh_handlers.
1073 (expand_inline_function): Call duplicate_eh_handlers instead of
1074 exposing internal details of exception regions.
1075 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1078 * libgcc2.c (find_exception_handler): Generalize to enable it to
1079 pick up processing where it left off last time for a rethrow.
1080 (__unwinding_cleanup): New function. debug hook which is called before
1081 unwinding when __throw finds there is nothing but cleanups left.
1082 (throw_helper): Common parts of __throw extracted out for reuse.
1083 (__throw): Common parts moved to throw_helper.
1084 (__rethrow): New function for performing rethrows.
1086 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1088 * reload1.c (current_function_decl): Tweak declaration.
1090 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1092 * c-decl.c (flag_isoc9x): Default off.
1093 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1094 * cccp.c (print_help, main): Likewise.
1095 * gcc.c (default_compilers): Update for -std=gnu*.
1097 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1099 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1100 * demangle.h: Deleted.
1102 * reload1.c (current_function_decl): Declare.
1104 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1106 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1108 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1110 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1112 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1114 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1116 * configure: Rebuilt.
1117 * system.h: If the *_unlocked functions are available use them
1118 instead of the locked counterparts by defining macros.
1119 * config.in: Regenerated.
1121 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1123 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1124 wrong and should only be used for dump related things, not
1125 debugging information, instead main_input_filename should be used.
1126 Also, reuse output_file_directive if possible.
1127 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1128 * i386/isc.h (ASM_FILE_START): Likewise.
1129 * i386/win-nt.h (ASM_FILE_START): Likewise.
1130 * i386/sun386.h (ASM_FILE_START): Likewise.
1132 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1134 * configure.in (mips*-*-linux*): Handle big and little endian
1136 * configure: Rebuilt.
1138 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1140 * emit-rtl.c: Fix typo.
1142 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1144 * reload1.c (eliminate_regs): Don't do anything, if we're not
1147 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1149 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1151 * mips/mips.c (mips_select_section): Add comment.
1153 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1155 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1156 characters in file names in #line to be consistent with #include
1157 handling. We support escape prcessing in the # 1 "..." version of
1158 the command. See also support in cp/lex.c.
1159 (handle_directive): Likewise.
1160 (do_line): Likewise.
1162 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1164 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1165 so it'll work on non-ASCII platforms. Always consider $ an
1166 identifier character. Take no arguments.
1167 (cpp_reader_init): Call initialize_char_syntax with no
1169 (cpp_start_read): Don't call initialize_char_syntax again.
1170 Clear is_idchar['$'] and is_idstart['$'] if not
1171 opts->dollars_in_ident.
1173 * cpplib.h (struct cpp_reader): Replace void *data element by
1174 cpp_options *opts. Rearrange elements to make gdb printout
1175 less annoying (put buffer stack at end).
1176 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1178 * cppmain.c: s/data/opts/ when initializing cpp_reader
1180 * c-decl.c: Likewise.
1181 * objc/objc-act.c: Likewise.
1182 * fix-header.c: Likewise.
1184 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1186 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1187 with a struct file_name_list pointer.
1188 (struct cpp_reader): Add pointer to chain of `actual
1189 directory' include searchpath entries.
1190 (struct file_name_list): Add *alloc pointer for the sake of
1191 the actual-directory chain.
1193 Move definition of HOST_WIDE_INT here.
1194 (cpp_parse_escape): Change prototype to match changes in
1197 * cppfiles.c (actual_directory): New function.
1198 (finclude): Use it to initialize the buffer's actual_dir
1200 (find_include_file): We don't need to fix up max_include_len
1203 * cpplib.c (do_include): Don't allocate a file_name_list on
1204 the fly for current directory "" includes, use the one that's
1205 been preallocated in pfile->buffer->actual_dir. Hoist out
1206 duplicate code from the search_start selection logic.
1207 (cpp_reader_init): Initialize pfile->actual_dirs.
1209 Remove definition of HOST_WIDE_INT. Change calls
1210 to cpp_parse_escape to match changes in cppexp.c (note
1211 hardcoded MASK, which is safe since this is the source
1214 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1215 to handle wide character constants in #if directives. The
1216 function now returns a HOST_WIDE_INT, and takes a third
1217 argument which is a binary mask for all legal values (0x00ff
1218 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1219 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1220 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1222 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1224 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1226 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1228 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1229 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1230 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1232 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1234 * final.c (output_asm_name): Use tabs to seperate comments from
1237 Include instruction lengths (if defined) in output.
1239 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1241 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1242 in the loop_info structure.
1244 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1246 * configure.in: (arm*-*-ecos-elf): New target.
1247 * configure: Regenerated.
1248 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1249 * config/arm/ecos-elf.h: New file.
1250 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1253 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1255 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1257 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1259 * version.c: Bump for snapshot.
1261 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1263 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1266 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1268 * version.c: Bump for snapshot.
1270 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1272 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1273 compressed reports are ok and preferred over URLs
1275 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1277 * invoke.texi (Warning Options): Soften the tone of -pedantic
1279 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1281 * print-rtl.c (print_rtx): Add prototype.
1283 * unroll.c (iteration_info): Make it static.
1285 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1287 * alias.c (memrefs_conflict_p): A second ANDed address
1288 disables the aligned address optimization.
1290 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1292 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1295 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1297 * i960.h (BOOL_TYPE_SIZE): Define.
1299 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1301 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1302 from old valid_parallel_operands_4.
1303 (valid_parallel_operands_4): Check that operands for 4 operand
1304 parallel insns are valid, excluding load/store insns.
1305 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1306 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1307 valid_parallel_load_store instead of valid_parallel_operands_4.
1308 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1309 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1310 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1311 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1312 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1313 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1314 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1316 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1318 * config/c4x/c4x.c (iteration_info): Delete extern.
1320 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1322 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1324 * final.c (cleanup_subreg_operands): Delete some unused code.
1326 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1327 (struct insn_alternative): New structure definition.
1328 (recog_op_alt): Declare variable.
1329 (preprocess_constraints): Declare function.
1330 * recog.c (recog_op_alt): New variable.
1331 (extract_insn): Verify number of alternatives is in range.
1332 (preprocess_constraints): New function.
1333 * reg-stack.c: Include recog.h.
1334 (constrain_asm_operands): Delete.
1335 (get_asm_operand_lengths): Delete.
1336 (get_asm_operand_n_inputs): New function.
1337 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1338 N_OUTPUTS args. All callers changed.
1339 Compute number of inputs and outputs here by calling
1340 get_asm_operand_n_inputs.
1341 Instead of constrain_asm_operands, call extract_insn,
1342 constrain_operands and preprocess_constaints. Use information
1343 computed by these functions throughout.
1344 (record_reg_life): Delete code that is unused due to changes in
1345 record_asm_reg_life.
1346 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1347 N_INPUTS and N_OUTPUTS args. All callers changed.
1348 Similar changes as in record_asm_reg_life.
1349 (subst_stack_regs): Move n_operands declaration into the if statement
1351 Delete code that is unused due to changes in subst_asm_stack_regs.
1352 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1354 * Makefile.in (reg-stack.o): Depend on recog.h.
1356 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1358 * except.c (set_exception_version_code): Argument is an "int".
1360 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1362 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1363 * configure: Rebuilt.
1365 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1367 * configure.in (mipsel-*-linux*): New target.
1368 * mips/linux.h: New file, based on other Linux targets.
1370 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1372 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1373 runs in the context of the deleter, not the deletee, so we must
1374 use taskVarGet to find the correct memory to free.
1375 (__gthread_key_create): Initialize the task
1376 variable subsystem so that the task variable is still active when
1377 the delete hook is run.
1379 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1381 * pdp11.h: Use optimize_size for space optimizations.
1382 * pdp11.c: Likewise.
1383 * pdp11.md: Likewise.
1385 * pdp11.h (TARGET_40_PLUS): Fix typo.
1387 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1389 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1392 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1394 * alias.c (addr_side_effect_eval): New function.
1395 (memrefs_conflict_p): Use it.
1396 * rtl.h (addr_side_effect_eval): Prototype it.
1398 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1400 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1402 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1404 * reload.c (find_reloads): When force const to memory, put result
1405 in substed_operand not *recog_operand_loc.
1407 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1409 * c-lex.c: Fix indentation from last patch.
1410 Remove trailing whitespace.
1413 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1415 * flow.c (delete_block): Call set_last_insn after we have reset
1416 NEXT_INSN (kept_tail).
1418 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1420 * mips.md (trap_if): Use "$0" for the value zero.
1422 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1423 Stephen L Moshier <moshier@world.std.com>
1424 Richard Henderson <rth@cygnus.com>
1426 * c-common.c (declare_function_name): Declare predefinied variable
1429 * c-decl.c (flag_isoc9x): Set to 1 by default.
1430 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1431 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1433 * c-parse.in: Allow constructors in ISO C 9x.
1434 Rewrite designator list handling.
1435 Allow [*] parameters.
1436 Don't warn about comma at end of enum definition for ISO C 9x.
1438 * cccp.c (c9x): New variable.
1439 (rest_extension): New variable.
1440 (print_help): Document new -std= option.
1441 (main): Recognize -std= option. Set c9x appropriately.
1442 (create_definition): Recognize ISO C 9x vararg macros.
1444 * gcc.c (default_compilers): Adjust specs for -std options.
1445 (option_map): Add --std.
1446 (display_help): Document -std.
1448 * toplev.c (documented_lang_options): Add -std and remove
1451 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1452 or REAL_VALUE_HTOF based on base of the constants.
1453 * fold-const.c (real_hex_to_f): New function. Replacement function
1454 for hex FP conversion if REAL_ARITHMETIC is not defined.
1455 * real.c (asctoeg): Add handling of hex FP constants.
1456 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1459 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1461 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1462 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1463 expansion. Use hi/lo as destination register.
1465 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1466 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1467 Avoid as macro expansion. Use hi/lo as destination register.
1469 * mips.h (MASK_CHECK_RANGE_DIV): New.
1470 (MASK_NO_CHECK_ZERO_DIV): New.
1471 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1472 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1473 return address for leaf functions out of r31 to support
1474 builtin_return_address.
1476 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1478 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1479 NEXT_INSN(x) to check insn x.
1481 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1483 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1484 last insn in the rtl chain.
1486 * reload1.c (reload): Do not set reload_completed or split insns
1488 * toplev.c (rest_of_compilation): Set reload_completed after
1489 reload returns. Split insns after reload_cse has run.
1491 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1493 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1495 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1497 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1499 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1501 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1502 use of user-label_prefix.
1504 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1506 * reload1.c (emit_reload_insns): Clear spill_reg_store
1507 when doing a new non-inherited reload from the same pseudo.
1509 * local-alloc.c (function_invariant_p): New function.
1510 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1511 to decide if an equivalence should be recorded.
1512 * reload1.c (num_eliminable_invariants): New static variable.
1513 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1514 to decide if an equivalence should be recorded.
1516 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1517 Take num_eliminable_invariants into account when deciding
1518 if register elimination should be done.
1519 (reload_as_needed): Take num_eliminable_invariants into account
1520 when deciding if register elimination should be done.
1521 (eliminate_regs): Handle non-constant reg_equiv_constant.
1522 * rtl.h (function_invariant_p): Declare.
1524 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1526 * version.c: Bump for snapshot.
1528 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1530 * version.c: Bump for snapshot.
1532 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1534 * except.c (add_new_handler): Complain about additional handlers
1535 after one that catches everything.
1537 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1539 * configure.in (alpha*-*-netbsd): Fix typo.
1540 * configure: Rebuilt.
1542 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1544 * system.h: Include libiberty.h.
1546 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1547 function `concat' from fixed parameters to variable parameters,
1548 as is done in libiberty. All callers of concat/concat3
1549 changed to use the new `concat' with variable args.
1551 * cccp.c: Remove things made redundant by libiberty.h and/or
1552 conform to libiberty standards.
1554 * collect2.c: Likewise.
1555 * config/1750a/1750a.h: Likewise.
1556 * cppalloc.c: Likewise.
1557 * cppexp.c: Likewise.
1558 * cppfiles.c: Likewise.
1559 * cpphash.c: Likewise.
1560 * cpplib.c: Likewise.
1561 * dyn-string.c: Likewise.
1562 * fix-header.c: Likewise.
1565 * genattr.c: Likewise.
1566 * genattrtab.c: Likewise.
1567 * gencheck.c: Likewise.
1568 * gencodes.c: Likewise.
1569 * genconfig.c: Likewise.
1570 * genemit.c: Likewise.
1571 * genextract.c: Likewise.
1572 * genflags.c: Likewise.
1573 * gengenrtl.c: Likewise.
1574 * genopinit.c: Likewise.
1575 * genoutput.c: Likewise.
1576 * genpeep.c: Likewise.
1577 * genrecog.c: Likewise.
1578 * getpwd.c: Likewise.
1579 * halfpic.c: Likewise.
1581 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1582 in NEED_DECLARATION_* macros.
1584 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1585 conform to libiberty standards.
1586 (fatal): Fix const-ification of variable `format' in
1587 !ANSI_PROTOTYPES case.
1589 * prefix.c: Remove things made redundant by libiberty.h and/or
1590 conform to libiberty standards.
1592 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1593 conflicting with function `spaces' from libiberty.
1595 * profile.c: Remove things made redundant by libiberty.h and/or
1596 conform to libiberty standards.
1597 * protoize.c: Likewise.
1600 * tlink.c: Likewise.
1601 * toplev.c: Likewise.
1602 * toplev.h: Likewise.
1605 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1609 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1611 * README.C4X: Updated URLs.
1612 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1613 (valid_parallel_operands_5): Remove unused variable.
1615 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1617 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1619 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1621 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1622 which can be configured.
1623 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1624 (Makefile): Pass actual LANGUAGES through the environment when
1626 (cstamp-h): Likewise.
1627 (config.status): Likewise.
1629 * configure.in (enable_languages): Add new configuration parameter
1630 "--enable-languages=lang1,lang2,...".
1631 (${srcdir}/*/config-lang.in): Change handling to configure only
1632 those directories, that the user might have enabled; default to
1633 "all" existing languages.
1634 * configure: Regenerate.
1636 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1638 * rtlanal.c (regs_set_between_p): New function.
1639 * rtl.h (regs_set_between_p): Prototype it.
1640 * jump.c (jump_optimize): Use it instead of modified_between_p
1641 in the Sep 2 change.
1643 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1644 Matthias Pfaller <leo@dachau.marco.de>
1646 * invoke.texi (Option Summary, NS32K Options): add description
1647 of NS32K specific options.
1649 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1650 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1651 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1652 negdf2, absdf2): Use l instead of f since the double class and
1653 float class are no longer the same.
1654 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1655 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1656 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1657 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1659 (cmpsi, cmphi, cmpqi): use general_operand instead of
1660 non_immediate_operand. Removes erroneous assumption that can't
1662 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1663 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1665 (movstrsi, movstrsi1, movstrsi2): completely new block move
1667 (...): Patterns to exploit multiply-add instructions.
1668 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1669 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1670 patterns to exploit extended divide insns.
1671 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1674 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1675 float return values as well as simple scalar floats.
1676 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1677 support new flag to denote 32381 fpu.
1678 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1679 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1681 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1682 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1683 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1684 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1685 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1686 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1687 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1688 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1689 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1690 fpu registers and special register classes for new 32381
1691 instructions dotf and polyf.
1692 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1694 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1695 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1697 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1698 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1699 (REGISTER_MOVE_COST): move code to register_move_cost function for
1700 ease of coding and debugging.
1701 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1702 LONG_FLOAT_REGO is likely spilled but not caught by default
1704 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1705 instead of hard coded numbers in range check.
1706 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1707 (...): Add prototypes for functions in ns32k.c but disable because
1708 of problems when ns32k.h is included in machine independant files.
1710 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1711 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1712 hard_regno_mode_ok, secondary_reload_class,
1713 print_operand, print_operand_address): new register scheme to
1714 include 32381 fpu registers and special register classes for new
1715 32381 instructions dotf and polyf.
1716 (gen_indexed_expr): Make static to keep namespace clean.
1717 (check_reg): remove since never called.
1718 (move_tail, expand_block_move): helper functions for "movstrsi"
1720 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1721 Increase cost of moves which go via memory.
1722 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1723 (CPP_PREDEFINES): nolonger predefine "unix".
1725 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1726 Remove erroneous %$. print_operand() can work out from the rtx is
1727 an immediate prefix is required.
1729 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1730 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1731 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1733 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1736 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1737 Correct handling of pic operands.
1738 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1739 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1740 -mrtd calling convention.
1742 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1744 * gcc.c (option_map): Recognize --output-class-directory.
1746 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1748 * loop.h (precondition_loop_p): Added new mode argument.
1749 * unroll.c (precondition_loop_p): Likewise.
1750 (approx_final_value): Function deleted and subsumed
1751 into loop_iterations.
1752 (loop_find_equiv_value): New function.
1753 (loop_iterations): Use loop_find_equiv_value to find increments
1754 too large to be immediate constants. Also use it to find terms
1755 common to initial and final iteration values that can be removed.
1757 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1759 * loop.h (struct loop_info): Define new structure.
1760 (precondition_loop_p): Added prototype.
1761 (unroll_loop): Added new argument loop_info to prototype.
1762 (final_biv_value, final_giv_value): Added new argument n_iterations
1764 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1765 and new pointer loop_info.
1766 (loop_n_iterations): Replace global variable by element in
1767 loop_info structure.
1768 (check_final_value): New argument n_iterations.
1769 (insert_bct): New argument loop_info.
1770 (loop_unroll_factor): Replace global array by element in
1771 loop_info structure.
1772 (loop_optimize): Remove code to allocate and initialise
1773 loop_unroll_factor_array.
1774 * unroll.c (precondition_loop_p): No longer static since
1775 used by branch on count optimization.
1776 (precondition_loop_p, unroll_loop): New argument loop_info.
1777 (final_biv_value, final_giv_value, find_splittable_regs): New
1778 argument n_iterations.
1779 (loop_iteration_var, loop_initial_value, loop_increment,
1780 loop_final_value, loop_comparison_code, loop_unroll_factor):
1781 Replaced global variables by loop_info structure.
1782 (loop_unroll_factor): Replace global array by element in
1783 loop_info structure.
1785 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1787 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1790 * unroll.c (precondition_loop_p): Return loop_initial_value
1791 for initial_value instead of loop_iteration_var.
1793 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1795 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1796 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1797 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1798 to output the instruction sequences.
1800 (rptb_top): Provide alternatives to use any register or memory
1802 (rptb_end): Emit use of operands rather than assigning them
1803 explicitly to the RS and RE registers.
1805 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1807 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1808 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1809 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1810 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1811 c4x_merge_notes, c4x_parallel_process,
1812 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1813 c4x_combine_parallel): Delete.
1815 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1817 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1818 with old target options clear flag_branch_on_count_reg if
1819 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1821 (c4x_output_cbranch): Handle a sequence of insns rather than a
1823 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1824 has not been allocated as the loop counter.
1825 (c4x_address_conflict): Do not allow two volatile memory references.
1826 (valid_parallel_operands_4, valid_parallel_operands_5,
1827 valid_parallel_operands_6): Reject pattern if the register destination
1828 of the first set is used as part of an address in the second set.
1830 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1832 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1833 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1834 is no longer enabled if PARALLEL_MPY_FLAG set.
1835 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1836 (REG_CLASS_CONTENTS): Add braces around initializers.
1837 (HAVE_MULTIPLE_PACK): Define.
1838 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1839 REAL_VALUE_TO_DECIMAL.
1840 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1841 REAL_VALUE_TO_DECIMAL.
1842 (ar0_reg_operand): Add prototype.
1843 (ar0_mem_operand): Likewise.
1844 (ar1_reg_operand): Likewise.
1845 (ar1_mem_operand): Likewise.
1846 (ar2_reg_operand): Likewise.
1847 (ar2_mem_operand): Likewise.
1848 (ar3_reg_operand): Likewise.
1849 (ar3_mem_operand): Likewise.
1850 (ar4_reg_operand): Likewise.
1851 (ar4_mem_operand): Likewise.
1852 (ar5_reg_operand): Likewise.
1853 (ar5_mem_operand): Likewise.
1854 (ar6_reg_operand): Likewise.
1855 (ar6_mem_operand): Likewise.
1856 (ar7_reg_operand): Likewise.
1857 (ar7_mem_operand): Likewise.
1858 (ir0_reg_operand): Likewise.
1859 (ir0_mem_operand): Likewise.
1860 (ir1_reg_operand): Likewise.
1861 (ir1_mem_operand): Likewise.
1862 (group1_reg_operand): Likewise.
1863 (group1_mem_operand): Likewise.
1864 (ir1_reg_operand): Likewise.
1865 (arx_reg_operand): Likewise.
1866 (not_rc_reg): Likewise.
1867 (not_modify_reg): Likewise.
1868 (c4x_group1_reg_operand): Remove prototype.
1869 (c4x_group1_mem_operand): Likewise.
1870 (c4x_arx_reg_operand): Likewise.
1872 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1874 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1875 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1877 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1879 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1882 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1884 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1885 unless FMOVD_WORKS is defined.
1887 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1889 * regclass.c (init_reg_sets): Move code that calculates tables
1890 dependent on reg_class_contents from here...
1891 (init_reg_sets_1): To here.
1893 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1895 * cpplib.h: Delete struct import_file. Add ihash element to
1896 struct cpp_buffer. Delete dont_repeat_files and
1897 import_hash_table elements from cpp_reader; change
1898 all_include_files to a hash table. Delete all foobar_include
1899 / last_foobar_include elements from struct cpp_options; put
1900 back four such: quote_include, bracket_include,
1901 system_include, after_include. Redo struct file_name_list
1902 completely. Add new structure type include_hash. Add
1903 prototypes for merge_include_chains and include_hash. Change
1904 prototypes for finclude, find_include_file, and
1905 append_include_chain to match changes below.
1907 * cppfiles.c (simplify_pathname, include_hash,
1908 remap_filename, merge_include_chains): New functions.
1909 (add_import, lookup_import, open_include_file): Removed.
1910 (INO_T_EQ): Define this (copied from cccp.c).
1911 (hack_vms_include_specification): Remove all calls and #if 0
1912 out the definition. It was being called incorrectly and at
1913 the wrong times. Until a VMSie can look at this, it's better
1914 to not pretend to support it.
1915 (append_include_chain): Change calling convention; now takes
1916 only one directory at a time, and sets up the data structure
1918 (redundant_include_p): Rewritten - this is now used for all
1919 include redundancy, whether by #ifndef, #import, or #pragma
1920 once. Looks up things in the include hash table.
1921 (file_cleanup): Decrement pfile->system_include_depth here if
1923 (find_include_file): Calling convention changed; now passes
1924 around a struct include_hash instead of 3 separate parameters.
1925 Guts ripped out and replaced with new include_hash mechanism.
1926 (finclude): Calling convention changed as for
1927 find_include_file. Error exits pulled out-of-line. Reformat.
1928 (safe_read): Return a long, not an int.
1929 (deps_output): Don't recurse.
1931 * cpplib.c (is_system_include): Deleted.
1932 (path_include): Fix up call to append_include_chain.
1933 (do_include): Fix up calls to find_include_file and finclude.
1934 Clean up dependency output a bit. Shorten obnoxiously lengthy
1935 #import warning message. Don't decrement
1936 pfile->system_include_depth here.
1937 (do_pragma): Understand the include_hash structure. Reformat.
1938 (do_endif): Correct handling of control macros. Understand
1940 (cpp_start_read): Fix up calls to finclude. Call
1941 merge_include_chains.
1942 (cpp_handle_option): Fix up calls to append_include_chain.
1943 Understand the four partial include chains.
1944 (cpp_finish): Add debugging code (#if 0-ed out) for the
1946 (cpp_cleanup): Free the include_hash, not the import hash and
1947 the all_include and dont_repeat lists which no longer exist.
1949 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1951 * toplev.c (no_new_pseudos): Define.
1952 (rest_of_compilation): Set no_new_pseudos as needed.
1953 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1954 if no_new_pseudos is set.
1955 * rtl.h (no_new_pseudos): Declare it.
1956 * reload1.c (reload): Update comments.
1957 * md.texi: Corresponding changes.
1959 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1961 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1962 (choose_reload_regs): Rename it here as well. When computing it,
1963 also merge in used hardregs.
1965 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1967 * gcc.c: Split out Objective-C specs to...
1968 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1971 * c-lex.c (init_parse): Always initialize the filename global.
1972 * objc/objc-act.c (lang_init): Always call check_newline at
1975 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1977 * reload1.c (reload): Remove unused variable.
1978 (reload_reg_free_for_value_p): Add missing parameter definition.
1980 * jump.c (jump_optimize): Remove unused variable.
1982 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1984 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1986 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1988 * expr.c (move_by_pieces): Similarly.
1989 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1990 * flow.c (find_auto_inc): Similarly.
1991 (try_pre_increment): Similarly.
1992 * loop.c (strength_reduce): Similarly.
1993 * regclass.c (auto_inc_dec_reg_p): Similarly.
1994 * regmove.c (try_auto_increment): Similarly.
1995 (fixup_match_1): Similarly.
1996 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1997 (HAVE_PRE_DECREMENT): Similarly.
1998 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1999 * Corresponding changes to all target header files.
2000 * tm.texi: Update docs for autoinc addressing modes.
2002 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2004 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2005 * configure: Rebuild.
2006 * config/elfos.h: New file.
2007 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2008 config/m68k/t-m68kelf: New file.
2010 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2012 * Makefile.in (HOST_AR): Define.
2013 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2014 (libcpp.a): Use the host tools explicitly.
2015 (STAGESTUFF): Add libcpp.a.
2017 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2019 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2020 to source and destination registers.
2022 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2024 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2025 The strategy we now use is to pre allocate the top_elt along
2026 with the EH context so that each thread has its own top_elt.
2027 This is necessary as the dynmanic cleanup chain is used on the
2028 top element of the stack and each thread MUST have its own.
2029 (eh_context_static): Likewise.
2030 (new_eh_context): Likewise.
2031 (__sjthrow): Likewise.
2033 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2035 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2036 * i386.md (prologue_get_pc): Remove unused variable.
2038 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2040 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2042 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2044 * Makefile.in (OBJS): Add graph.o
2045 (graph.o): New dependency list.
2046 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2047 * print-rtl.c (dump_for_graph): Define new variable.
2048 (print_rtx): Rewrite to allow use in graph dumping functions.
2049 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2050 finish_graph_dump_file.
2051 Define graph_dump_format.
2052 (compile_file): If graph dumping is enabled also clear these files.
2053 Finish graph dump files.
2054 (rest_of_compilation): Also dump graph information if enabled.
2055 (main): Recognize -dv to enabled VCG based graph dumping.
2056 * graph.c: New file. Graph dumping functions.
2058 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2060 * configure.in: Look for <sys/stat.h>.
2061 * system.h: Include it before substitute S_ISREG definitions.
2063 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2065 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2066 * config/mips/iris6.h: Same.
2067 * config/mips/mips.md: Same.
2068 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2069 * config/mips/mips.h: Same; also define ABI_O64.
2071 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2073 * configure.in: Use AC_PREREQ(2.12.1).
2075 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2077 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2078 * cpplib.c, gcc.c: Likewise.
2079 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2081 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2083 * local-alloc.c (local_alloc): Use malloc not alloca for
2084 reg_qty, reg_offset, ref_next_in_qty.
2086 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2088 * caller-save.c (insert_one_insn): Initialize the live_before and
2089 live_after register sets.
2093 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2094 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2095 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2096 (fp_reg_names, assembler_dialect): New variables.
2097 (print_operand_address): Handle SUBREGs.
2098 (print_operand): Added 'o' case.
2099 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2100 Name of FP registers depends on mode.
2101 (expand_block_move): Emit different code for SH4 hardware.
2102 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2103 (from_compare): Likewise.
2104 (add_constant): New argument last_value. Changed all callers.
2105 (find_barrier): Don't try HImode load for FPUL_REG.
2106 (machine_dependent_reorg): Likewise.
2107 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2108 (gen_far_branch): Emit a barrier after the new jump.
2109 (barrier_align): Don't trust instruction lengths before
2111 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2112 Use auto-inc addressing for fp registers if doubles need to
2113 be loaded in two steps.
2114 Set sh_flag_remove_dead_before_cse.
2115 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2116 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2117 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2118 Support for FIRST_XD_REG .. LAST_XD_REG.
2119 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2120 (sh_expand_epilogue): Likewise.
2121 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2122 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2123 (arith_reg_operand): FPUL_REG is OK for SH4.
2124 (fp_arith_reg_operand, fp_extended_operand) New functions.
2125 (tertiary_reload_operand, fpscr_operand): Likewise.
2126 (commutative_float_operator, noncommutative_float_operator): Likewise.
2127 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2128 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2129 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2130 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2131 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2132 (CONDITIONAL_REGISTER_USAGE): Likewise.
2133 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2134 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2135 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2136 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2137 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2138 to -1 and sh_flag_remove_dead_before_cse to 1.
2139 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2140 (assembler_dialect, fp_reg_names): Declare.
2141 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2142 Hide names of registers that are not accessible.
2143 (CACHE_LOG): Take TARGET_CACHE32 into account.
2144 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2145 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2146 (FIRST_PSEUDO_REGISTER: Now 49.
2147 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2148 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2149 (HARD_REGNO_MODE_OK): Update.
2150 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2151 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2152 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2153 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2154 (NPARM_REGS): Eight floating point parameter registers on SH4.
2155 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2156 in floating point registers.
2157 (GET_SH_ARG_CLASS) Likewise.
2158 Complex float types are also returned in float registers.
2159 (BASE_ARG_REG): Complex float types are also passes in float registers.
2160 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2161 (LIBCALL_VALUE): Remove trailing semicolon.
2162 (ROUND_REG): Round when double precision value is passed in floating
2164 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2165 passed on the stack.
2166 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2167 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2168 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2169 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2170 (MODE_DISP_OK_8): Not for SH4 DFmode.
2171 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2172 Allow indexed addressing for PSImode after reload.
2173 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2174 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2175 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2176 (DOUBLE_TYPE_SIZE): 64 for SH4.
2177 (RTX_COSTS): Add PLUS case.
2178 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2179 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2180 MAC_REGS, PR_REGS, DF_REGS.
2181 (REGISTER_NAMES): Use fp_reg_names.
2182 (enum processor_type): Add PROCESSOR_SH4.
2183 (sh_flag_remove_dead_before_cse): Declare.
2184 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2185 (PREDICATE_CODES): Add binary_float_operator,
2186 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2187 fpscr_operand, noncommutative_float_operator.
2188 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2189 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2190 * sh.md (attribute cpu): Add value sh4.
2191 (attrbutes fmovd, issues): Define.
2192 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2193 (function units memory, int, mpy, fp): Make dependent on issue rate.
2194 (function units issue, single_issue, load_si, load): Define.
2195 (function units load_store, fdiv, gp_fpul): Define.
2196 (attribute hit_stack): Provide proper default.
2197 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2198 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2199 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2200 (mulsi3_call): Now uses match_operand for function address.
2201 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2203 (push, pop, push_e, pop_e): Now define_expands.
2204 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2205 (movsi_ie): Added y/i alternative.
2206 (ic_invalidate_line_i, movdf_i4): New insns.
2207 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2208 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2209 (movdf): Add special code for SH4.
2210 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2211 (call_valuei, calli, call_value): Likewise.
2212 (movsf): Emit no-op move.
2213 (mov_nop, movsi_y): New insns.
2214 (blt, sge): generalize to handle DFmode.
2215 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2216 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2217 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2218 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2219 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2220 (toggle_sz): New insn.
2221 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2222 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2223 (macsf3): Make use of fpscr visible. Disable for SH4.
2224 (floatsisf2): Make use of fpscr visible.
2225 (floatsisf2_i4): New insn.
2226 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2227 (ieee_ccmpeqsf_t): Likewise.
2228 (fix_truncsfsi2): Emit different code for SH4.
2229 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2230 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2231 (negsf2, sqrtsf2, abssf2): Now expanders.
2232 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2233 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2234 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2235 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2236 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2237 (fix_truncdfsi2_i4_2+1): New splitters.
2238 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2239 (extendsfdf2, truncdfsf2): New expanders.
2240 (truncdfsf2_i4): New insn.
2241 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2242 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2243 * float-sh.h: When testing for __SH3E__, also test for
2244 __SH4_SINGLE_ONLY__ .
2245 * va-sh.h (__va_freg): Define to float.
2246 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2247 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2248 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2249 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2251 (TARGET_SH4_P): Define.
2254 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2255 init_expr_once is satisfied about the existence of load / store insns.
2257 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2258 change m constraint in source operand to mr / mf .
2260 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2262 * (__VA_REEF): Define.
2263 (__va_arg_sh1): Use it.
2265 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2267 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2269 * i386/dgux.c (struct option): Add new "description field".
2270 * m88k/m88k.c (struct option): Likewise.
2272 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2274 * version.c: Bump for snapshot.
2276 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2278 * regmove.c (regmove_profitable_p): Use return value of find_matches
2281 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2283 * version.c: Bump for snapshot.
2285 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2287 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2288 without reload having been called earlier.
2290 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2292 (v850_reorg): Similarly.
2294 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2296 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2298 * loop.c (move_movables): Start of libcall might be new loop start.
2300 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2302 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2304 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2306 * function.c (nonlocal_goto_handler_slots): Renamed from
2307 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2308 (push_function_context_to): Adjust for this change.
2309 (pop_function_context_from): Likewise.
2310 (init_function_start): Likewise.
2311 (expand_function_end): Likewise.
2312 * function.h (struct function): Likewise.
2313 * calls.c (expand_call): Likewise.
2314 * explow.c (allocate_dynamic_stack_space): Likewise.
2315 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2316 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2318 (expand_goto): When doing a nonlocal goto, find corresponding handler
2319 slot for it. Don't put the label address in the static chain register.
2320 (expand_end_bindings): Break out nonlocal goto handling code into
2321 three new functions.
2322 (expand_nl_handler_label, expand_nl_goto_receiver,
2323 expand_nl_goto_receivers): New static functions, broken out of
2324 expand_end_bindings and adapted to create one handler per nonlocal
2326 * function.c (delete_handlers): Delete insn if it references any of
2327 the nonlocal goto handler slots.
2328 * i960.md (nonlocal_goto): Comment out code that modifies
2330 * sparc.md (nonlocal_goto): Likewise.
2331 (goto_handler_and_restore_v9): Comment out.
2332 (goto_handler_and_restore_v9_sp64): Comment out.
2334 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2336 * expr.c (STACK_BYTES): Delete unused macro.
2337 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2338 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2339 (expand_call): Likewise.
2340 (emit_library_call): Likewise.
2341 (emit_library_call_value): Likewise.
2342 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2343 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2344 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2345 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2346 (allocate_dynamic_stack_space): Likewise.
2347 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2348 (STACK_BOUNDARY): Update description to reflect the new situation.
2350 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2352 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2353 return with a filled delay slot is followed by a return with an
2354 unfilled delay slot, delete the first return and reemit the insn
2355 that was previously in its delay slot.
2357 * i860.c (single_insn_src_p): Add missing parens.
2358 * ginclude/math-3300.h: Likewise.
2360 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2362 * regclass.c (init_reg_sets_1): Add prototype.
2363 (init_reg_modes): Likewise.
2365 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2367 * c-common.c: Change warning messages to say `comparison is
2368 always true' or `comparison is always false' instead of the
2369 confusing `is always 0', `is always 1'.
2371 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2373 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2374 break instead of return (which loses closing '>').
2376 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2378 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2379 standard 387 constants.
2381 * i386.md (jump): Explicitly set "memory" attribute.
2382 (indirect_jump, prologue_set_stack_ptr): Likewise.
2383 (prologue_get_pc_and_set_got, pop): Likewise.
2384 (allocate_stack_worder, blockage, return_internal): Likewise.
2385 (return_pop_internal, nop): Likewise.
2386 (epilogue_set_stack_ptr, leave): Likewise.
2388 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2390 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2392 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2394 * reload1.c (reload_reg_free_for_value_p):
2395 Early auto_inc reloads don't conflict with outputs.
2397 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2399 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2400 Instead call AC_HEADER_SYS_WAIT.
2402 * collect2.c: Don't provide defaults for sys/wait.h macros.
2404 * protoize.c: Likewise. Also, don't include sys/wait.h.
2406 * system.h: Include sys/wait.h and provide macro defaults.
2408 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2410 * Makefile.in (mandir): Set to @mandir@.
2411 (man1dir): New variable to hold the former value of $(mandir).
2412 Replace all uses of $(mandir) by $(man1dir).
2414 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2416 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2417 a new one before passing it to force_const_mem.
2419 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2420 find_reloads_address call.
2422 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2424 * expr.c (store_expr): Don't generate load-store pair
2425 if TEMP is identical (according to ==) with TARGET.
2427 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2429 * reload1.c (reload_reg_free_for_value_p): When considered reload
2430 has an output, matching inputs are not sufficient to avoid conflict.
2432 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2434 * hash.h (hash_table_key): New type.
2435 (hash_entry): Change `string' field to generic `key'.
2436 (hash_table): Add `comp' and `hash' functions.
2437 (hash_table_init): Take them as input.
2438 (hash_table_init_n): Likewise.
2439 (hash_lookup): Modify for generic keys.
2440 (hash_newfunc): Likewise.
2441 (hash_traverse): Likewise.
2442 (string_hash): New function.
2443 (string_compare): Likewise.
2444 (string_copy): Likewise.
2445 * hash.c (hash_table_init_n): Modify for generic keys.
2446 (hash_table_init): Likewise.
2447 (hash_lookup): Likewise.
2448 (hash_newfunc): Likewise.
2449 (hash_traverse): Likewise.
2450 (string_hash): Split out from hash_lookup.
2451 (string_compare): New function.
2452 (string_copy): Split out from hash_lookup.
2453 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2455 (symbol_hash_lookup): Likewise.
2456 (file_hash_newfunc): Likewise.
2457 (file_hash_lookup): Likewise.
2458 (demangled_hash_newfunc): Likewise.
2459 (demangled_hash_lookup): Likewise.
2460 (tlink_int): Likewise.
2461 (read_repo_file): Likewise.
2462 (recompile_files): Likewise.
2463 (demangle_new_symbols): Likewise.
2464 (scan_linker_output): Likewise.
2466 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2468 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2470 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2472 * rs6000.c (output_mi_thunk): Improve test for local branch.
2474 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2476 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2478 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2480 * reload1.c (reload_reg_free_before_p): Delete.
2481 Changed all callers to use reload_reg_free_for_value_p instead.
2482 (reload_reg_free_for_value_p): Handle more reload types.
2483 A RELOAD_FOR_INPUT doesn't conflict with its
2484 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2485 Add special case for OUT == const0_rtx.
2486 Added ignore_address_reloads argument. Changed all callers.
2488 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2490 * toplev.c (compile_file): Don't pedwarn about undefined static
2491 functions just because we passed -Wunused.
2493 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2495 * function.c (purge_addressof_1): Unshare rtl created by
2498 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2500 * regmove.c (regmove_optimize): Don't do anything but
2501 optimize_reg_copy[123] when flag_regmove is not set.
2503 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2505 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2506 value in paradoxical SImode result, rather than truncating midpoint.
2508 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2510 * alpha.c (reg_not_elim_operand): New.
2511 * alpha.h (PREDICATE_CODES): Add it.
2512 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2513 for the multiplicand.
2515 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2517 * rs6000.md (movsf): Remove explicit secondary-reload-like
2518 functionality. Only truncate SFmode store if in FPR.
2519 (movsf splitters): Combine const_double splitters.
2520 (movsf_hardfloat): Add GPR support.
2522 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2524 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2525 deprecate -mlive-g0 and -mbroken-saverestore.
2526 * t-splet (MULTILIB_OPTIONS): Likewise.
2528 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2529 in a leaf function. Clarify total_size/extra_size relationship.
2531 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2533 * i386/cygwin32.asm: Delete.
2534 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2535 * i386/cygwin32.h: Delete.
2536 * i386/cygwin.h: New file, renamed from cygwin32.h.
2537 * i386/t-cygwin32: Delete.
2538 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2539 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2540 * i386/x-cygwin32: Delete.
2541 * i386/x-cygwin: New file, renamed from x-cygwin32.
2542 * i386/xm-cygwin32: Delete.
2543 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2544 renamed cygwin_ funcs for path translations.
2545 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2546 * i386/winnt.c: Remove "32" from comment about cygwin.
2547 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2548 * rs6000/cygwin32.h: Delete.
2549 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2550 -D__CYGWIN__ to CPP_PREDEFINES.
2551 * rs6000/x-cygwin32: Delete.
2552 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2553 * rs6000/xm-cygwin32: Delete.
2554 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2556 * configure.in: Check for cygwin* instead of cygwin32. Account
2557 for the rename of cygwin-related config files to lose the "32"s.
2558 * configure: Regenerate.
2560 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2561 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2563 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2565 * Makefile.in (JAVAGC): New macro.
2566 * configure: Rebuilt.
2567 * configure.in: Recognize --enable-java-gc argument. Subst
2570 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2572 Handle equivalences that have been obscured by gcse:
2574 * reload1.c (reload): Handle equivalences set up in multiple places.
2575 * local-alloc.c (reg_equiv_init_insns): New variable.
2576 (no_equiv): New function.
2577 (update_equiv_regs): Handle equivalences set up in multiple places.
2578 Don't ignore an insn just because its destination is likely to be
2581 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2583 * except.c (expand_eh_return): Readd force_operand call lost in
2586 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2588 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2590 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2592 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2594 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2596 * regmove.c (regmove_optimize): Fix error in last change.
2598 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2600 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2601 offset in the .mask pseudo to compensate for frame pointer adjustments.
2602 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2603 word swap arguments moved to/from FP registers.
2604 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2606 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2608 * version.c: Bump for snapshot.
2610 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2612 * version.c: Bump for snapshot.
2614 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2616 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2617 times, then it can not be completely replaced.
2619 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2621 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2623 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2625 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2626 (to distinguish it from the macro wrapping ansidecl.h.)
2627 Include libiberty's ansidecl.h. Remove all redundant definitions.
2628 Define the PROTO() style macros in terms of the PARAMS() ones.
2631 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2632 __STDC__, when deciding whether to use ANSI variable args.
2633 (emit_library_call_value): Likewise.
2635 * cccp.c (error): Likewise.
2636 (warning): Likewise.
2637 (error_with_line): Likewise.
2638 (warning_with_line): Likewise.
2639 (pedwarn): Likewise.
2640 (pedwarn_with_line): Likewise.
2641 (pedwarn_with_file_and_line): Likewise.
2644 * cexp.y (error): Likewise.
2645 (pedwarn): Likewise.
2646 (warning): Likewise.
2648 * collect2.c (fatal_perror): Likewise.
2652 * combine.c (gen_rtx_combine): Likewise.
2654 * cpperror.c (cpp_message): Likewise.
2655 (cpp_fatal): Likewise.
2657 * cpplib.c (cpp_error): Likewise.
2658 (cpp_warning): Likewise.
2659 (cpp_pedwarn): Likewise.
2660 (cpp_error_with_line): Likewise.
2661 (cpp_warning_with_line): Likewise.
2662 (cpp_pedwarn_with_line): Likewise.
2663 (cpp_pedwarn_with_file_and_line): Likewise.
2665 * cpplib.h: Don't define PARAMS() macro.
2667 * demangle.h: Likewise.
2669 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2670 when deciding whether to use ANSI variable args.
2672 * emit-rtl.c (gen_rtx): Likewise.
2673 (gen_rtvec): Likewise.
2675 * final.c (asm_fprintf): Likewise.
2677 * fix-header.c (cpp_message): Likewise.
2679 (cpp_fatal): Likewise.
2681 * gcc.c (concat): Likewise.
2685 * genattr.c (fatal): Likewise.
2687 * genattrtab.c (attr_rtx): Likewise.
2688 (attr_printf): Likewise.
2691 * gencodes.c (fatal): Likewise.
2693 * genconfig.c (fatal): Likewise.
2695 * genemit.c (fatal): Likewise.
2697 * genextract.c (fatal): Likewise.
2699 * genflags.c (fatal): Likewise.
2701 * genopinit.c (fatal): Likewise.
2703 * genoutput.c (fatal): Likewise.
2706 * genpeep.c (fatal): Likewise.
2708 * genrecog.c (fatal): Likewise.
2710 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2711 deciding whether to declare `tree_node' and `rtx_def'.
2713 * hash.h: Don't define stuff we get from gansidecl.h.
2715 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2716 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2717 whether to use ANSI variable args.
2720 * prefix.c (concat): Likewise.
2724 * system.h: Likewise.
2726 * toplev.c (error_with_file_and_line): Likewise.
2727 (error_with_decl): Likewise.
2728 (error_for_asm): Likewise.
2731 (warning_with_file_and_line): Likewise.
2732 (warning_with_decl): Likewise.
2733 (warning_for_asm): Likewise.
2734 (warning): Likewise.
2735 (pedwarn): Likewise.
2736 (pedwarn_with_decl): Likewise.
2737 (pedwarn_with_file_and_line): Likewise.
2739 (really_sorry): Likewise.
2741 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2742 whether to declare `tree_node' and `rtx_def'.
2744 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2745 deciding whether to use ANSI variable args.
2746 (build_nt): Likewise.
2747 (build_parse_node): Likewise.
2749 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2751 * version.c: Bump for snapshot.
2753 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2755 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2757 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2759 * collect2.c (main, case 'b'): Use else if.
2761 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2763 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2764 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2765 before the config/ directory headers.
2766 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2767 gansidecl.h in the list of dependencies.
2769 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2770 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2771 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2772 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2773 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2774 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2777 * cccp.c: Don't include gansidecl.h.
2779 * collect2.c: Likewise.
2780 * config/c4x/c4x.c: Likewise.
2781 * config/v850/v850.h: Likewise.
2782 * cppalloc.c: Likewise.
2783 * cpperror.c: Likewise.
2784 * cppexp.c: Likewise.
2785 * cppfiles.c: Likewise.
2786 * cpphash.c: Likewise.
2787 * cpplib.c: Likewise.
2788 * cppmain.c: Likewise.
2789 * cppulp.c: Likewise.
2790 * demangle.h: Likewise.
2791 * doprint.c: Likewise.
2792 * dyn-string.c: Likewise.
2793 * eh-common.h: Likewise.
2794 * fix-header.c: Likewise.
2795 * frame.c: Likewise.
2798 * gen-protos.c: Likewise.
2799 * gencheck.c: Likewise.
2800 * halfpic.h: Likewise.
2802 * machmode.h: Likewise.
2803 * mbchar.c: Likewise.
2804 * prefix.c: Likewise.
2805 * protoize.c: Likewise.
2806 * recog.h: Likewise.
2808 * scan-decls.c: Likewise.
2810 * varray.h: Likewise.
2812 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2814 * i386.md (call_value_pop): If we're not popping anything,
2815 defer to call_value.
2816 (call_pop): Likewise defer to call.
2818 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2820 * function.c (purge_addressof): Clear purge_addressof_replacements
2821 only after processing the whole function.
2823 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2825 * reload1.c (reload): If we can not perform a particular elimination
2826 when we thought we could earlier, then we must always iterate through
2827 the loop at least one more time.
2829 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2831 * alpha.c (add_operand): Simplify the CONST_INT match.
2832 (sext_add_operand): Correct typo in comparison by using
2833 CONST_OK_FOR_LETTER_P.
2834 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2835 constant alternatives to be generated.
2836 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2837 small constants, since the hw instructions do.
2839 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2841 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2842 previous insn to store directly into our reload register, make sure
2843 that if the source of the previous insn is a reload register, its
2844 spill_reg_store and spill_reg_stored_to values are cleared.
2846 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2848 * rs6000.md (floatunssidf2_internal splitter): Use base register
2849 operand, not hard-coded SP.
2851 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2853 * jump.c (calculate_can_reach_end): Fix thinko.
2855 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2857 * reorg.c (fill_simple_delay_slots): Fix typo.
2859 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2861 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2863 * i386.md (extendsidi2): Use # in the output template.
2864 (extendsidi splitters): New splitters.
2866 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2868 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2870 * configure: Regenerate.
2872 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2874 * jump.c (init_label_info, delete_barrier_successors,
2875 mark_all_labels, delete_unreferenced_labels,
2876 delete_noop_moves, calculate_can_reach_end): New functions broken
2877 out of jump_optimize.
2878 (jump_optimize): Use them.
2880 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2882 * except.c (expand_fixup_region_end): Make sure outer context labels
2883 are not issued in an inner context during cleanups.
2885 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2887 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2890 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2892 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2893 to expose this midpoint to CSE.
2895 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2897 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2899 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2901 * configure.in: Bring over gcc2 change of Nov 19 1997.
2903 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2905 * toplev.c (output_lang_identify): Make definition dependent on
2906 ASM_IDENTIFY_LANGUAGE.
2908 * print-rtl.c (spaces): Make static.
2910 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2912 * extend.texi: Clarify proper uses for register clobbers in asms.
2914 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2916 * recog.h (enum op_type): Define.
2917 (constrain_operands): Adjust prototype.
2918 (recog_op_type): Declare new variable.
2919 * recog.c (recog_op_type): New variable.
2920 (insn_invalid_p): Allow modifying an asm statement after reload.
2921 (extract_insn): Set up recog_op_type.
2922 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2923 Don't compute operand types, use recog_op_type.
2924 Use the information computed by extract_insn instead of the previous
2925 method of finding it by insn code number.
2926 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2927 * reorg.c (fill_slots_from_thread): Likewise.
2928 * reload1.c (reload_as_needed): Likewise.
2929 (gen_reload): Likewise.
2930 (inc_for_reload): Likewise.
2931 (reload_cse_simplify_operands): Likewise.
2932 Use the information computed by extract_insn instead of the previous
2933 method of finding it by insn code number.
2934 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2936 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2937 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2938 Use the information computed by extract_insn instead of the previous
2939 method of finding it by insn code number.
2940 * regmove.c (find_matches): Likewise. Change meaning of the return
2941 value to be nonzero if the optimization can be performed, zero if
2942 not. All callers changed.
2943 Shorten some variable names to fix formatting problems.
2944 (regmove_optimize): Shorten some variable names to fix formatting
2946 Use the information computed by extract_insn instead of the previous
2947 method of finding it by insn code number.
2948 * regclass.c (scan_one_insn): Likewise.
2949 (record_reg_classes): Don't compute operand types, use recog_op_type.
2950 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2951 recog_constraints instead.
2953 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2955 * rtl.h (flow2_completed): Declare.
2956 * flow.c (flow2_completed): Definition.
2957 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2960 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2962 * Makefile.in (libcpp.a): Ranlib libcpp.a
2964 * cppulp.c (user_label_prefix): Initialize.
2966 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2968 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2969 at a RETURN if current_function_sp_is_unchanging is set.
2971 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2973 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2975 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2977 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2978 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2979 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2980 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2981 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2982 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2984 (LIB_SPEC): Handle -mno-cyginw option.
2985 (LINK_SPEC): Handle -mdll.
2987 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2989 * reload.c (find_reloads): Fix test for usage by other reload
2990 to handle secondary reloads properly.
2992 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2994 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2995 intermediate structure which has exactly the members provided by
2996 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2997 static intermediate structure.
2999 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3000 from the intermediate structure. Do the same analogous fix in
3001 the case where ELIMINABLE_REGS is not defined.
3003 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3005 * pa.h (SELECT_SECTION): Fix thinko.
3007 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3009 * dwarf2out.c (output_call_frame_info): Comments on last change.
3011 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3013 * arm.c (add_constant): When taking the address of an item in the
3014 pool, get the mode of the item addressed.
3016 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3017 contain a SET or a PARALLEL, don't consider it for conditional
3020 Restore ABI compatibility for NetBSD.
3021 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3023 (RETURN_IN_MEMORY): Likewise.
3025 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3027 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3028 (m32r_output_block_move): Rewrite bytes < 4 handling.
3030 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3032 * configure.in: Call AC_FUNC_VFORK.
3034 * collect2.c: Define VFORK_STRING as a printable string for
3035 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3036 defined, include vfork.h. If VMS is defined, define vfork()
3037 appropriately. Remove vfork check on USG, we're using autoconf.
3038 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3039 checking locally what string to pass.
3040 (scan_prog_file): Likewise.
3041 (scan_libraries): Likewise.
3043 * gcc.c: Remove vfork check on USG, we're using autoconf.
3044 Besides, no calls to vfork/fork occur in this file.
3046 * protoize.c: Likewise.
3048 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3050 * configure.in (DEFAULT_LINKER): renamed from LD
3051 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3052 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3053 * configure: rebuilt
3055 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3057 * BUGS: fix the regexp for `more' to find the appropriate node.
3058 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3060 * BUGS: added link to the WWW FAQ
3062 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3064 * version.c: Bump for snapshot.
3066 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3068 * From Christian Gafton:
3069 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3070 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3071 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3073 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3075 * c-common.c (c_get_alias_set): Allow all type-punning through
3076 unions. Don't get confused about the type of a bit-field, despite
3077 the antics of build_modify_expr.
3079 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3081 * fixinc.sco: Paramaterize #include_next values.
3082 * fixinc/fixinc.sco: Likewise.
3084 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3086 * toplev.c (rest_of_compilation): No longer set reload_completed.
3087 * reload1.c (reload): Set it here. Perform instruction splitting
3088 after reload has completed if we will be running the scheduler
3091 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3093 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3094 EH region if exceptions are enabled and we're performing cross
3096 (find_cross_jump): Exit loop if the insns are in different EH regions.
3098 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3100 * dwarf2out.c (output_call_frame_info): Use
3101 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3103 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3105 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3106 * c-common.c (check_format_info): Don't check for the 'x'
3107 format character twice, instead check for 'x' and 'X'
3109 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3111 * configure.in (assembler features): Also make gas is configured if
3112 we find it in the souce tree.
3114 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3116 * i386.c (i386_comp_type_attributes): Compare whether the
3117 attributes are defined, not their tree nodes.
3119 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3121 * configure.in (gxx_include_dir): bitten by autoconf quoting
3123 * configure: rebuilt
3125 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3127 * configure.in: Ignore non-absolute value in $AS.
3129 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3131 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3133 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3135 * configure.in (msdosdjgpp): Set exeext and target_alias.
3137 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3139 * flow.c (XNMALLOC): New macro.
3140 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3142 (add_edge, add_edge_to_label): New static functions.
3143 (free_bb_memory): New function.
3144 (flow_delete_insn): Delete function.
3145 (basic_block_drops_in): Delete variable.
3146 (find_basic_blocks): Allocate and initialize basic_block_head,
3147 basic_block_succ. Don't allocate basic_block_drops_in.
3148 Call free_bb_memory at the beginning.
3149 (find_basic_blocks_1): Don't do multiple passes.
3150 Delete code to compute basic_block_drops_in.
3151 After calling make_edges, mark blocks reached by current block live.
3152 Update test for unreachable live blocks.
3153 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3155 Simplify to call add_edge_to_label when a LABEL_REF is found.
3156 (make_edges): Simplify to call add_edge_to_label instead of
3157 mark_label_ref most of the time.
3158 Compute here whether control drops into the next block.
3159 (delete_unreachable_blocks): Return void. All callers changed.
3160 Delete unreachable blocks in reverse order.
3161 After deleting all unreachable blocks, renumber the remaining ones
3162 and update n_basic_blocks.
3163 (delete_block): Speed up deletion a bit.
3164 Don't set basic_block_drops_in for deleted blocks.
3165 (free_basic_block_vars): Don't free basic_block_drops_in.
3166 (life_analysis_1): Update to use new edge representation.
3167 (dump_flow_info): Delete code to print basic block info; call
3168 dump_bb_data instead.
3169 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3170 and uid_block_number.
3171 Simply copy the previously computed cfg.
3172 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3173 Print register lifetime information if LIVE_INFO is nonzero.
3174 * basic-block.h (dump_bb_data): Adjust prototype.
3175 * gcse.c (gcse_main): Update call to dump_bb_data.
3176 * rtl.h (free_bb_memory): Declare.
3177 * toplev.c (rest_of_compilation): Call free_bb_memory.
3179 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3180 (update_eliminable_offsets): Don't compute it.
3181 (set_initial_elim_offsets): Don't initialize it.
3182 Break out some code into set_initial_label_offsets so the rest of
3183 this function can be called from reload_as_needed.
3184 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3185 ELIMINABLE_REGS isn't.
3186 (set_initial_label_offsets): New function, broken out of
3187 set_initial_elim_offsets.
3188 (set_offsets_for_label): New function, broken out of set_label_offsets
3189 and reload_as_needed.
3190 (reload): Call the two new functions.
3191 (reload_as_needed): Call set_initial_elim_offsets instead of
3192 duplicating the code. Likewise for set_offsets_for_label.
3194 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3195 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3196 any hard reg, reg_reloaded_dead contains valid data.
3198 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3200 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3201 "stdcall" and "cdecl" attributes.
3203 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3205 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3206 handle deleted no-op moves of hard registers.
3207 * haifa-sched.c (update_flow_info): Likewise.
3209 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3211 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3212 of the sequences to reload the HILO register which do not actually
3215 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3217 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3219 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3221 * except.c (emit_eh_context): Make the EH context register stay alive
3222 at -O0 so stupid.c doesn't get confused.
3224 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3226 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3228 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3229 Jeffrey A Law (law@cygnus.com)
3231 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3232 (zero_extendsidi2): Use # in output template and handle completely by
3234 (zero_extend splitters): New define_splits.
3235 (ashiftrt_32): New pattern.
3237 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3239 * tree.c (append_random_chars): New fn.
3240 (get_file_function_name_long): Use it.
3242 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3244 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3245 (LIBCPP_OBJS): New. Add cppulp.o.
3246 (cppmain, fix-header): Depend on and use libcpp.a.
3247 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3248 of the individual object files.
3249 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3252 * cccp.c (user_label_prefix): New.
3253 (main): Set it off -f*leading-underscore.
3254 (special_symbol): Use it.
3255 * cpplib.c (special_symbol): Likewise.
3256 (cpp_handle_option): Handle -f*leading-underscore.
3257 * cppulp.c: New file.
3259 * output.h (user_label_prefix): Declare it.
3260 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3261 * toplev.c (f_options, main): Handle -f*leading-underscore.
3263 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3264 referencing USER_LABEL_PREFIX directly.
3265 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3266 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3267 * final.c (asm_fprintf): Use user_label_prefix instead.
3268 * arm/thumb.c (thumb_print_operand): Likewise.
3270 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3271 cpp wherever appropriate.
3273 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3275 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3276 specific compiler switches.
3278 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3280 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3283 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3285 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3286 structure which has exactly the members provided by EXTRA_SPECS.
3287 Xmalloc() the real `extra_specs', and initialize it from this
3288 intermediate structure.
3290 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3292 * mips.h (EXTRA_SPECS): Likewise.
3294 * sparc.h (EXTRA_SPECS): Likewise.
3296 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3298 * function.c (purge_addressof_1): Instead of aborting when a
3299 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3300 work just put the ADDRESSOF on stack. Otherwise remember all such
3301 successfull replacements, so that exactly the same replacements
3302 can be made on the REG_NOTEs. Remove the special case for CALL
3304 (purge_addressof_replacements): New variable.
3305 (purge_addressof): Clear it at end.
3307 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3309 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3310 (lang_init): Call check_newline always.
3311 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3312 cpp_start_read, set yy_cur and yy_lim to read from
3313 parse_in.token_buffer, so that we'll see the first #line
3315 * cpplib.c (cpp_start_read): finclude the main input file
3316 before processing -include/-imacros. Process -imacros and
3317 -include separately, and handle -include by stacking a
3318 buffer for the file in question as if it'd been #included.
3319 * toplev.c (documented_lang_options) Recognize -H when
3322 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3324 * cpplib.c: Merge do_once into do_pragma. Break file handling
3325 code out of do_include.
3326 Move append_include_chain, deps_output,
3327 file_cleanup, redundant_include_p, import_hash,
3328 lookup_import, add_import, read_filename_string, read_name_map,
3329 open_include_file, finclude, safe_read to cppfiles.c.
3330 Move prototypes for deps_output, append_include_chain,
3331 finclude to cpplib.h. Move definition of struct
3332 file_name_list there also.
3334 * cppfiles.c: New file. Contains all the above functions
3335 broken out of cpplib.c; also hack_vms_include_specification
3336 from cccp.c and find_include_file, a new function broken out of
3339 * Makefile.in (cppmain): Depend on cppfiles.o.
3340 (fix-header): Likewise.
3341 (cppfiles.o): New target.
3342 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3343 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3345 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3347 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3348 if pending_types is non-zero.
3349 (dwarfout_finish): Verify pending_types is zero before finishing.
3351 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3353 * expr.c (convert_move): Use shifts to perform the move if a
3354 suitable extend pattern cannot be found. Code written by
3355 Richard Henderson <rth@cygnus.com>.
3357 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3359 * regclass.c (renumber, regno_allocated): New static variables, moved
3360 out of allocate_reg_info.
3361 (allocate_reg_info): Move these two variables outside the function.
3362 Move code to free memory into new function free_reg_info.
3363 (free_reg_info): New function, broken out of allocate_reg_info.
3364 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3365 * rtl.h (allocate_reg_info): Don't declare.
3366 (free_reg_info): Declare.
3368 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3370 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3372 * toplev.c (compile_file): Temporarily revert last change.
3374 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3376 * c-typeck.c (convert_for_assignment): Parenthesize.
3378 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3380 * reload1.c (delete_output_reload): Avoid ambigous else.
3382 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3384 * toplev.c (compile_file): Call allocate_reg_info to free register
3386 * rtl.h (allocate_reg_info): Declare.
3388 * PROJECTS: Remove entry for local spilling.
3390 * final.c (cleanup_subreg_operands): New function.
3391 (final_scan_insn): Use it.
3392 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3394 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3395 operands when reload has finished.
3396 * reload.h (cleanup_subreg_operands): Declare..
3397 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3398 reload. Handled in reload itself.
3400 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3402 * reload1.c (verify_initial_offsets): New function.
3403 (reload): Call it after reload_as_needed. Also verify that the frame
3404 size stays constant during reload_as_needed.
3405 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3407 * reload.h (struct insn_chain): Add need_operand_change element.
3408 * reload1.c (new_insn_chain): Clear it.
3409 (calculate_needs_all_insns): Set it; don't overload need_reload.
3410 (reload_as_needed): Use it.
3412 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3413 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3414 and reload_address_index_reg_class.
3415 (find_reloads_address_1): Likewise.
3416 * reload.h (reload_address_base_reg_class,
3417 reload_address_index_reg_class): Don't declare.
3418 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3419 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3420 (used_spill_regs): Now static.
3421 (reload_address_base_reg_class, reload_address_index_reg_class,
3422 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3423 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3424 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3427 (init_reload): Delete code to compute base/index reg classes.
3428 (reload): Delete variable J.
3429 Delete code to manage basic_block_needs.
3430 Don't compute regs_explicitly_used.
3431 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3432 pseudo_previous_regs.
3433 Initialize bad_spill_regs_global.
3434 Don't call order_regs_for_reload here.
3435 Don't initialize spill_reg_order and n_spills.
3436 Don't forbid explicitly used regs to be used for spill regs.
3437 Change main loop to infinite loop, with explicit break statements.
3438 Make SOMETHING_CHANGED variable local to that loop.
3439 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3440 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3441 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3443 Don't call dump_needs.
3444 Delete code to reset potential_reload_regs.
3445 Delete code to terminate loop conditional on the global needs variables
3446 showing no further needs.
3447 (calculate_needs_all_insns): Return void. All callers changed.
3448 Initialize somehing_needs_elimination here, not in reload.
3449 Delete avoid_return_reg kludge.
3450 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3451 All callers changed.
3452 Initialize the group_mode and group_size elements of the arg CHAIN.
3453 Delete code to manage basic_block_needs.
3454 Operate on elements of CHAIN instead of global variables.
3455 Delete avoid_return_reg kludge.
3456 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3457 All callers changed.
3458 Operate on elements of CHAIN instead of global variables.
3459 Delete special SMALL_REGISTER_CLASSES code.
3460 Delete spill_failure code; now in new_spill_reg.
3461 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3462 All callers changed.
3463 Operate on elements of CHAIN instead of global variables.
3464 (maybe_mark_pseudo_spilled): New static function.
3465 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3466 All callers changed.
3467 Operate on elements of CHAIN instead of global variables.
3468 Call order_regs_for_reload here, not in reload.
3469 Initialize spill_reg_order and n_spills.
3470 Simplify test whether an asm insn is involved.
3471 Delete spill_failure code; now in new_spill_reg.
3472 Call maybe_mark_pseudo_spilled for everything marked as live in
3473 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3475 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3476 compiler from optimizing this function (now unused) away.
3477 Operate on elements of CHAIN instead of global variables.
3478 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3480 Operate on elements of CHAIN instead of global variables.
3481 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3482 take CHAIN arg. All callers changed.
3483 Operate on elements of CHAIN instead of global variables.
3484 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3485 CHAIN, NONGROUP args. Return void. All callers changed.
3486 Verify caller isn't trying to spill a pseudo.
3487 Simplify test for illegal reg, just use bad_spill_regs.
3488 Generate better error messages.
3489 Operate on elements of CHAIN instead of global variables.
3490 Mark spilled register in CHAIN's used_spill_regs element.
3491 Don't call spill_hard_reg.
3492 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3493 Mark spilled hard regs in bad_spill_regs_global.
3494 Mark affected pseudos in spilled_pseudos, but don't spill them.
3495 (ior_hard_reg_set): New static function.
3496 (finish_spills): Return int. All callers changed.
3497 Compute spill_reg_order, n_spills and spill_regs here. Also update
3498 regs_ever_live for regs used as spills.
3499 For every pseudo in spilled_pseudos, spill it and mark the previous
3500 hard reg it had in pseudo_previous_regs. Compute which hard regs
3501 arseudo): New static function.
3502 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3503 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3504 hard registers explicitly used across the current insn into the set.
3505 Compute hard_reg_n_uses taking only pseudos live across this insn
3507 Tweak sorting of potential_reload_regs.
3508 (compare_spill_regs): Delete function.
3509 (reload_as_needed): Don't sort the spill_regs array, it's computed
3510 in proper order in finish_spills.
3511 Delete avoid_return_reg kludge.
3512 Delete code to manage basic_block_needs.
3513 (allocate_reload_reg): Minor speed/readability tweaks.
3514 Operate on elements of CHAIN instead of global variables.
3515 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3516 Delete avoid_return_reg kludge.
3517 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3518 Delete unused label FAIL.
3519 (reload_combine): Replce reload_address_index_reg_class with
3521 Don't use used_spill_regs to determine information about lifetime of
3524 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3526 * toplev.c (display_help): Ignore empty target specific
3527 options, and if -W is also specified on the command line then
3528 display undocumented options.
3530 * config/arm/arm.c: Updated with changes in devo sources.
3531 * config/arm/arm.h: Updated with changes in devo sources.
3532 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3533 * config/arm/lib1thumb.asm: Add ELF support.
3535 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3537 * collect2.c (aix64_flag): New variable.
3538 (main, case 'b'): Parse it.
3539 (GCC_CHECK_HDR): object magic number must match mode.
3540 (scan_prog_file): Only check for shared object if valid header.
3541 Print debugging if header/mode mismatch.
3543 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3545 Added support for arm-elf-linux configuration, submitted by Philip
3546 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3547 code developed by Catherine Moore <clm@cygnus.com>. The following
3550 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3553 * configure: Regenerated.
3555 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3556 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3557 definitions conditional on their not having been already defined.
3559 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3560 and .type directives, and add "(PLT)" qualification to function
3563 * config/arm/linux.h: Deleted. This file is now superceeded by
3564 either linux-elf.h or linux-aout.h.
3566 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3567 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3569 Move definitions from old linux.h file here.
3571 * config/arm/elf.h: New file. Generic ARM/ELF support.
3573 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3575 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3577 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3578 using the 26bit APCS.
3580 * config/arm/unknown-elf.h: New file. Support for OS'es other
3581 than Linux with ELF.
3583 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3586 * config/arm/coff.h: Include aout.h for basic assembler macros.
3587 Add support for -mstructure_size_boundary=<n> command line option.
3589 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3590 command line option. Make macro definitions conditional on their
3591 not having been already defined.
3593 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3594 command line option.
3597 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3599 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3600 has been changed to not include a newline. Use this macro instead.
3601 (output_enumeral_list, const_value_attribute, name_attribute,
3602 comp_dir_attribute, prototyped_attribute, producer_attribute,
3603 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3604 dwarfout_file_scope_decl, generate_new_sfname_entry,
3605 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3606 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3608 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3610 * combine.c (subst): Process the inputs to a parallel asm_operands
3613 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3615 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3617 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3619 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3621 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3623 * version.c: Bump for snapshot.
3625 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3627 * stmt.c (expand_fixup): Set fixup->before_jump to a
3628 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3630 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3632 * Makefile.in (recog.o): Depend on toplev.h.
3633 (insn-emit.o): Depend on recog.h.
3634 (insn-peep.o): Depend on recog.h and insn-config.h.
3636 * combine.c (simplify_set): Remove unused variable `scratches'.
3638 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3639 and `idx' in macro conditional controlling their use.
3641 * genemit.c (main): Make the generated output file include
3642 recog.h. Don't have it declare `insn_operand_constraint', since
3643 we get it from recog.h.
3645 * genpeep.c (main): Make the generated output file include
3646 insn-config.h and recog.h.
3648 * recog.c: Include toplev.h.
3649 (extract_insn): Remove unused variable `p'.
3651 * regclass.c (fix_register): Add missing braces around initializer
3653 (allocate_reg_info): Move variable `i' into the scope where it is
3654 used. Change its type to `size_t'.
3656 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3658 * reload.c (push_reload): When merging reloads, make sure
3659 that reload_in_reg and reload_in are from the same reload in
3662 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3664 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3665 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3667 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3669 * loop.c (loop_has_tablejump): New variable.
3670 (prescan_loop): Scan for it.
3671 (insert_bct): Replace explicit scan with use of it.
3672 * regclass.c (regclass): Restore loop variable j.
3673 (record_reg_classes): Deterine op_types modifiers and initialize
3674 classes[i] before matching constraints. Handle matching
3677 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3679 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3682 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3684 * mips.h (EXTRA_SPECS): Add missing initializers.
3686 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3688 * sparc.h (EXTRA_SPECS): Add missing initializers.
3689 (sparc_defer_case_vector): Provide a prototype.
3691 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3692 comparing it to the result of a pointer subtraction.
3694 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3696 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3697 the argument to (unsigned char).
3699 * alpha.h (EXTRA_SPECS): Add missing initializers.
3700 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3703 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3705 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3706 (propagate_block): Delete dead code after reload.
3708 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3709 back Oct 15, 1998 change.
3710 * haifa-sched.c (update_flow_info): Likewise.
3711 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3713 * mn10200.md (truncated shift): Accept constant inputs too.
3715 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3717 * machmode.h (mode_mask_array): No longer const.
3718 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3720 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3722 * frame.c: Somewhat explain `FDE'.
3723 Suggested by Brendan Kehoe
3725 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3727 * expr.c (pending_chain): Move up.
3728 (save_expr_status): Do save pending_chain.
3729 (restore_expr_status): And restore it.
3730 * function.h (struct function): Add pending_chain.
3732 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3734 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3735 did not match the code.
3737 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3739 * regclass.c (regclass): Break out some code into new function
3740 scan_one_insn, and into regclass_init.
3741 (init_cost): New static variable, moved out of regclass.
3742 (regclass_init): Initialize it here, not in .
3743 (scan_one_insn): New static function, broken out of regclass.
3744 * recog.c (apply_change_group): Break out some code into new
3745 function insn_invalid_p.
3746 (insn_invalid_p): New static fn, broken out of apply_change_group.
3748 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3750 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3751 reg_reloaded_contents matches incremented pseudo.
3753 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3755 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3757 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3758 addressing modes with side effects. These are currently
3759 placeholders for the C4x target.
3761 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3763 * loop.c (express_from): Make sure that when generating a PLUS of
3764 a PLUS, any constant expression appears on the outermost PLUS.
3766 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3768 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3769 works if "$(srcdir)" != ".".
3771 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3773 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3774 existing SUBREG if we can, otherwise abort.
3776 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3778 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3779 `restrict' is applied to a non-pointer variable.
3781 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3783 * invoke.texi: Document -flang-isoc9x.
3785 * Makefile.in (OBJS): Add splay-tree.o.
3786 (c-common.o): Depend on rtl.h.
3787 (splay-tree.o): List dependencies and provide build rule.
3789 * rtl.h (record_alias_subset): New function.
3790 * alias.c: Include splay-tree.h.
3791 (alias_set_entry): New type.
3792 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3793 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3794 (mems_in_disjoin_alias_sets_p): New function.
3795 (alias_set_compare): Likewise.
3796 (insert_subset_children): Likewise.
3797 (get_alias_set_entry): Likewise.
3799 * tree.h (TYPE_RESTRICT): New macro.
3800 (TYPE_UNQUALIFIED): New manifest constant.
3801 (TYPE_QUAL_CONST): Likewise
3802 (TYPE_QUAL_VOLATILE): Likewise.
3803 (TYPE_QUAL_RESTRICT): Likewise.
3804 (tree_type): Add restrict_flag. Reduce count of free bits.
3805 (DECL_POINTER_ALIAS_SET): New macro.
3806 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3807 (tree_decl): Add pointer_alias_set.
3808 (build_qualified_type): New function.
3809 (build_type_variant): Define in terms of build_qualified_type.
3810 * tree.c (set_type_quals): New function.
3811 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3812 (build_type_attribute_variant): Use build_qualified_type and
3814 (build_type_variant): Rename, and modify, to become...
3815 (build_qualified_type): New function.
3816 (build_complex_type): Use set_type_quals.
3818 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3819 (C_TYPE_FUNCTION_P): Likewise.
3820 (C_TYPE_INCOMPLETE_P): Likewise.
3821 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3822 (c_apply_type_quals_to_decl): New function.
3823 (c_build_qualified_type): New function.
3824 (c_build_type_variant): Define in terms of c_build_qualified_type.
3825 (flag_isoc9x): Declare.
3826 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3827 (common_type): Change to use TYPE_QUALS.
3828 (comptypes): Likewise.
3829 (convert_for_assignment): Likewise.
3830 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3831 * c-decl.c (flag_isoc9x): Define.
3832 (c_decode_option): Handle -flang-isoc9x.
3833 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3834 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3835 * c-lex.c (init_lex): Deal with restrict.
3836 (init_lex): Don't treat restrict as a reserved word in
3837 -traditional mode, or without -flang-isoc9x.
3838 * c-lex.h (rid): Add RID_RESTRICT.
3839 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3840 equivalent to RID_RESTRICT.
3841 * c-parse.in (TYPE_QUAL): Update comment.
3842 * c-common.c: Include rtl.h.
3843 (c_find_base_decl): New function.
3844 (c_build_type_variant): Rename, and modify, to become ...
3845 (c_build_qualified_type): New function.
3846 (c_apply_type_quals_to_decl): Likewise.
3847 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3848 a particular alias set for the reference.
3849 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3851 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3853 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3854 command line switches.
3856 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3858 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3861 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3863 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3865 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3867 * regclass.c (fix_register): Add error message.
3868 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3871 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3873 * c-decl.c (warn_missing_noreturn): New global variable.
3874 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3875 (finish_function): Implement missing noreturn warning.
3877 * c-tree.h (warn_missing_noreturn): Declare extern.
3879 * invoke.texi: Document new flags.
3881 * toplev.c (documented_lang_options): Add description.
3883 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3885 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3886 loop optimization stable for the C4x.
3887 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3888 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3889 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3891 (c4x_address_conflict): Be more paranoid when packing a volatile
3892 memref in a parallel load/store.
3894 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3896 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3897 repeat_block_filler): Deleted.
3898 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3899 Condition code not set if destination register from 'c' class.
3900 (*subbqi3_carry_clobber): Fix typo.
3902 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3904 * reorg.c (steal_delay_list_from_target) Check for insns that
3905 modify the condition codes and effect the direction of the jump
3908 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3910 * function.c (purge_addressof_1): Replace call to
3911 emit_insns_before() with emit_insn_before().
3913 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3915 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3917 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3919 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3921 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3923 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3924 clobbered across calls.
3926 * loop.c (scan_loop): Be more selective about what invariants are
3927 moved out of a loop.
3929 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3931 * version.c: Bump for snapshot.
3933 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3935 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3936 static eh_context structure.
3938 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3940 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3942 (try_combine): Don't update max_scratch.
3943 * flow.c (max_scratch, num_scratch): Delete variables.
3944 (life_analysis_1): Don't initialize max_scratch.
3945 (propagate_block): Don't update max_scratch.
3946 (mark_set_1): Don't increment num_scratch.
3947 * regs.h (max_scratch): Delete declaration.
3949 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3951 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3952 is nonzero. This is temporary!
3954 * sched.c (update_flow_info): Handle death notes made invalid by
3955 instruction splitting. Partially reverts Oct 15, 1998 patch.
3956 * haifa-sched.c (update_flow_info): Likewise.
3958 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3960 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3961 if it has a nonzero DECL_INITIAL.
3963 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3965 * Makefile.in (flow.o): Depend on recog.h.
3967 * cpplib.h (directive_table): Add missing initializiers.
3968 (finclude): Change type of variable `bsize' to size_t.
3970 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3972 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3974 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3975 `int' when comparing against one.
3976 (cpp_file_line_for_message): Mark parameter `pfile' with
3978 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3980 * flow.c: Include recog.h.
3981 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3983 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3984 `f' with ATTRIBUTE_UNUSED.
3985 (reposition_prologue_and_epilogue_notes): Likewise.
3987 * genopinit.c (gen_insn): Cast argument of ctype functions to
3990 * haifa-sched.c: Include recog.h.
3991 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3992 comparing against one.
3994 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3996 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3998 (parse_ent): Likewise.
3999 (parse_input): Likewise.
4001 * optabs.c (init_libfuncs): Likewise.
4003 * protoize.c (find_rightmost_formals_list): Likewise.
4005 * recog.h (const_double_operand): Fix typo in prototype.
4007 * tlink.c (scan_linker_output): Cast the argument of ctype
4008 function to `unsigned char'.
4010 * toplev.c (check_lang_option): Cast the result of `strlen' to
4011 `int' when comparing against one.
4013 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4015 * gcse.c (dump_cuid_table): Correct typo.
4017 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4019 * toplev.c (display_help): Prepend '-m' to target specific
4021 (check_lang_option): Ignore text after end of first word of a
4022 language specific option.
4024 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4026 * reload1.c (reg_used_by_pseudo): New static variable.
4027 (choose_reload_regs): Initialize it.
4028 Use it instead of testing spill_reg_order to determine whether a
4029 pseudo is live in a hard register across the current insn.
4030 Fix a typo in a reference to reload_reg_rtx.
4032 * flow.c (propagate_block): Replace code that computes and uses
4033 regs_sometimes_live with simpler code that just walks the set of
4034 currently live registers.
4036 * Makefile.in (insn-extract.o): Fix dependencies.
4037 * genextract.c (main): Generate includes for insn-config.h and
4039 Delete generation of declarations which are now in recog.h.
4040 * genrecog.c (main): Delete generation of definitions which are
4042 * local-alloc.c (block_alloc): Use extract_insn and the variables
4043 it sets up instead of looking up values by insn_code.
4044 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4045 recog_dup_num): Define here instead of generating the definition in
4047 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4048 recog_operand_mode, recog_constraints, recog_operand_address_p):
4050 (extract_insn): New function.
4051 * recog.h (extract_insn): Declare function.
4052 (which_alternative, recog_n_operands, recog_n_dups,
4053 recog_n_alternatives, recog_operand_mode, recog_constraints,
4054 recog_operand_address_p): Declare variables.
4055 * regclass.c (n_occurrences): New static function.
4056 * reload.c (n_occurrences): Delete function.
4057 (find_reloads): Use extract_insn.
4058 * reload.h (n_occurrences): Delete declaration.
4060 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4062 * reload1.c (reload_as_needed): Fix test for when to call
4063 update_eliminable_offsets.
4065 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4067 Fix consistency problems with reg_equiv_{mem,address};
4068 Improve reload inheritance;
4070 * reload.c (reload_out_reg): New variable.
4071 (loc_mentioned_in_p, remove_address_replacements): New functions.
4072 (remove_replacements): Deleted.
4073 (push_reload): Set reload_out_reg[i].
4074 When merging, also set reload_{in,out}_reg[i], and remove
4075 duplicate address reloads.
4076 (combine_reloads): Copy reload_out_reg[i].
4077 (find_reloads): Do make_memloc substitution also when
4078 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4080 Include *recog_operand_loc in commutativity operand changes.
4081 Generate optional output reloads.
4082 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4083 processing operands. Call make_memloc in reg_equiv_address code.
4084 Set *recog_operand_loc only after processing operands, and only
4085 if replace is true. Return a value.
4086 When changing address reload types for operands that didn't get
4087 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4088 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4089 Don't emit USEs for pseudo SUBREGs when not replacing.
4090 (find_reloads_address): Do make_memloc substitution also when
4091 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4093 (find_reloads_toplev): Likewise.
4094 Call make_memloc in reg_equiv_address code.
4095 (debug_reload_to_stream): Add code to output reload_out_reg.
4096 (make_memloc): Delete local variable i, ifdefed out code, and
4097 references to memlocs and n_memlocs.
4098 (memlocs, n_memlocs): Delete.
4099 (push_secondary_reload): Clear reload_out_reg.
4100 (find_reloads_address_1): Provide memrefloc argument to all calls
4101 to find_reloads_address.
4102 In AUTO_INC code, handle non-directly addressable equivalences properly.
4103 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4104 (find_reloads): Add return type.
4105 (remove_address_replacements, deallocate_reload_reg): Declare.
4106 * reload1.c (num_not_at_initial_offset): No longer static.
4107 (delete_address_reloads, delete_address_reloads_1): Likewise.
4108 (deallocate_reload_reg): New function.
4109 (spill_reg_stored_to): New array.
4110 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4111 (eliminate_regs_in_insn): Move assignments of previous_offset and
4112 max_offset fields, and recalculation of num_not_at_initial_offset
4113 into new static function:
4114 (update_eliminable_offsets) .
4115 (reload_as_needed): Call update_eliminable_offsetss after calling
4117 Call forget_old_reloads_1 with contents of reloaded auto_inc
4118 expressions if the actual addressing can't be changed to match the
4120 (choose_reload_regs): For inheritance, replace
4121 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4122 remove stand-alone reload_reg_used_at_all test.
4123 Use reload_out_reg to determine which reload regs have output reloads.
4124 Treat reload_override_in more similar to inherited reloads.
4125 Handle (subreg (reg... for inheritance.
4126 For flag_expensive_optimizations, add an extra pass to remove
4127 unnecessary reloads from known working inheritance.
4128 Delete obsolete code for pseudos replaced with MEMs.
4129 Handle inheritance from auto_inc expressions.
4130 (emit_reload_insns): If reload_in is a MEM, set OLD to
4132 Don't reload directly from oldequiv; if it's a pseudo with a
4133 stack slot, use reload_in[j].
4134 Check that reload_in_reg[j] is a MEM before replacing reload_in
4135 from reg_reloaded_contents.
4136 Include non-spill registers in reload inheritance processing.
4137 Also try to use reload_out_reg to set spill_reg_store /
4138 reg_last_reload_reg.
4139 In code to set new_spill_reg_store, use single_set to find out if
4140 there is a single set.
4141 Add code that allows to delete optional output reloads.
4142 Add code to allow deletion of output reloads that use no spill reg.
4143 At the end, set reload_override_in to oldequiv.
4144 Also call delete_output_reload if reload_out_reg is equal to old
4146 Add code to call delete_output_reload for stores with no matching load.
4147 Set / use spill_reg_stored_to.
4148 Handle case where secondary output reload uses a temporary, but
4149 actual store isn't found.
4150 When looking for a store of a value not loaded in order to call
4151 delete_output_reload, count_occurences should return 0 for no
4152 loads; but discount inherited input reloadill_reg_stored_to.
4153 Do checks for extra uses of REG. Changed all
4155 Use delete_address_reloads.
4156 (reload): Take return value of find_reloads into account.
4157 If a no-op set needs more than one reload, delete it.
4158 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4159 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4160 for the same operand.
4161 (clear_reload_reg_in_use): Check for other reloads that keep a
4163 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4164 RELOAD_FOR_OPADDR_ADDR.
4165 Take into account when an address address reload is only needed
4166 for the address reload we are considering.
4167 (count_occurrences): Use rtx_equal_p for MEMs.
4168 (inc_for_reload): Return instruction that stores into RELOADREG.
4169 New argument two, IN, and rtx. Changed all callers.
4170 (calculate_needs_all_insns, reload_as_needed):
4171 Don't clear after_call for a CLOBBER.
4172 Keep track of how many hard registers need to be copied from
4173 after_call, and don't clear after_call before we have seen
4174 that much copies, or we see a different instruction.
4176 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4178 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4179 after reload has completed.
4181 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4183 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4184 a macro name and the next token with a single blank if that whitespace
4185 is in a macro buffer and the next token is not '('.
4187 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4189 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4191 (skip_if_group): Ditto.
4192 (skip_to_end_of_comment): Ditto.
4194 (discard_comments): Ditto.
4195 (change_newlines): Ditto.
4197 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4199 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4201 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4203 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4204 (TARGET_OPTIONS): Add --help documentation.
4206 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4208 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4210 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4212 * fixinc/* Moved in from ../contrib directory in preparation
4213 for integrating it into the normal build process. In particular,
4214 fixinc/Makefile.in must be config-ed into the build directory
4215 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4216 ./configure.in will be "in the mail" momentarily.
4218 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4220 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4221 accidently walk into the free list. Comment how that can happen.
4222 (invalidate): Fix indentation.
4224 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4225 Jeffrey A Law (law@cygnus.com)
4227 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4228 reload. Never perform rescans of the insn chain after reload.
4229 (propagate_block): Do not delete insn or create new autoinc addressing
4232 * jump.c (jump_optimize): Unconditionally use the code that was
4233 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4234 * reload1.c (reload): When reloading is finished, delete all
4235 REG_DEAD and REG_UNUSED notes.
4236 (emit_reload_insns): Delete all code that was conditional on
4237 PRESERVE_DEATH_INFO_REGNO_P.
4238 (no_longer_dead_regs): Delete variable.
4239 (reload_cse_delete_death_notes): Delete function.
4240 (reload_cse_no_longer_dead): Delete function.
4241 (reload_cse_regs_1): Delete all code to handle deletion of death
4243 (reload_cse_noop_set_p): Likewise.
4244 (reload_cse_simplify_set): Likewise.
4245 (reload_cse_simplify_operands): Likewise.
4246 (reload_cse_move2add): Likewise.
4247 * reorg.c (used_spill_regs): Delete declaration.
4248 (max_label_num_after_reload): Delete declaration.
4249 (find_dead_or_set_registers): Don't assume that spill regs are
4250 dead at a CODE_LABEL.
4251 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4253 * sched.c (sched_analyze_insn): Likewise.
4254 (update_flow_info): Likewise.
4255 * haifa-sched.c (sched_analyze_insn): Likewise.
4256 (update_flow_info): Likewise.
4257 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4258 * toplev.c (max_label_num_after_reload): Delete variable.
4259 (rest_of_compilation): Don't set max_label_num_after_reload.
4260 Call life_analysis after reload_cse_regs if optimizing.
4261 * config/gmicro/gmicro.h: Delete comment referring to
4262 PRESERVE_DEATH_INFO_REGNO_P.
4263 * config/i386/i386.h: Likewise.
4264 * config/m88k/m88k.h: Likewise.
4265 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4266 * config/sh/sh.h: Likewise.
4268 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4270 * loop.c (strength_reduce): Restore marking bct_p as
4272 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4273 HAVE_decrement_and_branch_on_count.
4274 (small_data_operand): Remove TARGET_ELF condition for marking
4275 parameters ATTRIBUTE_UNUSED.
4277 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4279 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4280 (SELECT_SECTION): Resync with svr4.h.
4282 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4284 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4287 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4289 * c-pragma.c (handle_pragma_token): Test for null tree before
4290 dereferencing TREE_CODE.
4292 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4294 * config/c4x/c4x.c: Convert to use GEN_INT.
4295 (c4x_parallel_process): Rework to handle new repeat loop structure.
4297 * config/c4x/c4x.md: Convert to use GEN_INT.
4298 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4299 (decrement_and_branch_on_count): Likewise.
4301 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4302 loop.c has the desired functionality.
4303 (rc_reg_operand): New prototype.
4305 * config/c4x/t-c4x: Can now build all front ends.
4307 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4309 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4311 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4313 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4314 * config/t-rtems: Do not install assert.h -- use newlib's.
4316 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4318 * combine.c (combine_instructions): When finished, call init_recog.
4319 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4321 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4323 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4325 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4327 * cppalloc.c (memory_full): Mark function prototype with
4330 * demangle.h (collect_exit): Likewise.
4332 * fix-header.c (v_fatal, fatal): Likewise.
4334 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4337 * gcov.c (print_usage): Likewise.
4339 * genattr.c (fatal, fancy_abort): Likewise.
4341 * genattrtab.c (fatal, fancy_abort): Likewise.
4343 * gencodes.c (fatal, fancy_abort): Likewise.
4345 * genconfig.c (fatal, fancy_abort): Likewise.
4347 * genemit.c (fatal, fancy_abort): Likewise.
4349 * genextract.c (fatal, fancy_abort): Likewise.
4351 * genflags.c (fatal, fancy_abort): Likewise.
4353 * genopinit.c (fatal, fancy_abort): Likewise.
4355 * genoutput.c (fatal, fancy_abort): Likewise.
4357 * genpeep.c (fatal, fancy_abort): Likewise.
4359 * genrecog.c (fatal, fancy_abort): Likewise.
4361 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4362 __sjpopnthrow, __throw): Likewise.
4364 * objc/objc-act.c (objc_fatal): Likewise.
4366 * protoize.c (usage, aux_info_corrupted,
4367 declare_source_confusing): Likewise.
4369 * rtl.c (dump_and_abort): Likewise.
4371 * rtl.h (sets_cc0_p): Likewise.
4373 * toplev.c (float_signal, pipe_closed): Likewise.
4375 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4377 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4378 when generating the decision tree for the general case.
4380 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4381 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4383 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4385 * Makefile.in (sched.o): Depend on recog.h.
4387 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4388 (unsigned) when comparing against one.
4389 (find_base_value): Likewise.
4390 (record_base_value): Cast variable `regno' to (unsigned) when
4391 comparing against one. Cast the result of REGNO() macro to
4392 (unsigned) when comparing against one.
4393 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4395 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4396 variable where an unsigned index is needed.
4398 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4399 before comparing against one.
4401 * collect2.c: Add prototypes for functions `error', `fatal' and
4402 `fatal_perror'. Make these functions take variable arguments
4403 instead of faking it with a fixed number of args.
4404 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4407 * combine.c (can_combine_p): Mark parameter `pred' with
4409 (find_split_point): Cast variable `src' to (unsigned
4410 HOST_WIDE_INT) when comparing against one.
4411 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4412 (simplify_logical): Likewise.
4413 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4414 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4415 HOST_WIDE_INT) in shift.
4416 (simplify_and_const_int): Cast result of INTVAL() macro to
4417 `unsigned HOST_WIDE_INT' when comparing against one.
4418 (merge_outer_ops): Cast variable const0 to `unsigned
4419 HOST_WIDE_INT' when comparing against the result of
4420 GET_MODE_MASK() macro.
4421 (simplify_comparison): Likewise for variable `c0'. Cast variable
4422 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4423 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4424 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4425 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4426 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4427 comparing against one.
4428 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4430 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4431 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4432 (output_block_move): Cast `sizeof' expression to (int) when
4433 comparing against one.
4434 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4436 (save_restore_insns): Cast `base_offset' to `long' to match format
4437 specifier in fprintf.
4439 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4440 to `enum machine_mode'.
4442 * flow.c (life_analysis_1): Remove unused variable `insn'.
4444 * gcc.c (translate_options): Move variables `j' and `k' into the
4445 scope in which they are used. Change their types to `size_t'.
4446 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4447 (read_specs): Likewise.
4448 (process_command): Cast `sizeof' to (int) when comparing against one.
4449 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4450 (handle_braces): Cast both sides of `==' expression to `long' to
4451 ensure sign matching.
4452 (main): Cast variable `i' to `int' when comparing against one.
4454 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4455 int to size_t. Cast variable `i' to size_t when comparing against
4458 * genattrtab.c (convert_set_attr_alternative): Remove unused
4459 parameter `insn_code'. All callers changed.
4460 (convert_set_attr): Likewise.
4462 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4463 size_t when comparing against one. Likewise for variable `len'.
4465 * global.c (global_alloc): Cast variable `max_regno' to size_t
4466 when comparing against one. Likewise for variable `max_allocno'.
4468 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4470 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4471 `set' with ATTRIBUTE_UNUSED.
4472 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4475 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4476 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4477 (get_condition): Cast variable `const_val' to `unsigned
4478 HOST_WIDE_INT' when comparing against one. Cast unsigned
4479 expression to HOST_WIDE_INT when comparing against one.
4480 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4481 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4482 `unsigned' when comparing against one.
4484 * protoize.c (is_id_char): Change type of parameter `ch' to
4486 (munge_compile_params): Cast argument of ctype macro to (const
4488 (process_aux_info_file): Cast variable `aux_info_size' to int when
4489 comparing against one.
4490 (forward_to_next_token_char): Cast argument of ctype macro to
4491 `const unsigned char'.
4492 (edit_formals_lists): Likewise.
4493 (find_rightmost_formals_list): Likewise.
4494 (add_local_decl): Likewise.
4495 (add_global_decls): Likewise.
4496 (edit_fn_definition): Likewise.
4497 (do_cleaning): Likewise.
4498 (scan_for_missed_items): Likewise.
4499 (edit_file): Cast variable `orig_size' to (int) when comparing
4501 (main): Cast argument of ctype macro to `const unsigned char'.
4503 * recog.c (const_int_operand): Mark parameter `mode' with
4506 * regclass.c (record_reg_classes): Change type of variable `c' to
4507 `unsigned char'. Cast `char' array index to `unsigned char'.
4509 * reload.c (push_secondary_reload): Cast argument to
4510 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4512 * reload1.c (calculate_needs): Cast `char' array index to
4514 (set_label_offsets): Change type of variable `i' to unsigned int.
4515 Cast result of XVECLEN() macro to unsigned when comparing against
4517 (mark_not_eliminable): Change type of variable `i' to unsigned.
4518 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4519 when comparing against one.
4520 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4521 comparing against one.
4522 (choose_reload_regs): Hide unused label `fail'.
4523 (reload_cse_simplify_operands): Cast `char' array index to
4525 (reload_combine_note_store): Mark parameter `set' with
4526 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4528 (reload_cse_move2add): Remove unused variable `src2'.
4530 * sched.c: Include recog.h.
4531 (sched_note_set): Remove unused parameter `b'. All callers
4533 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4534 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4535 when comparing against one.
4537 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4538 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4539 comparing against one.
4541 * unroll.c (precondition_loop_p): Remove unused parameter
4542 `loop_end'. All callers changed.
4544 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4546 * reload1.c (maybe_fix_stack_asms): New static function.
4549 * reload.h (compute_use_by_pseudos): Declare.
4551 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4552 (something_needs_reloads): Delete variable.
4553 (finish_spills): New function.
4554 (compute_use_by_pseudos): New function.
4556 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4557 Use the reload_insn_chain instead of walking the rtl directly.
4559 (reload): Allocate and free spilled_pseudos.
4560 Ensure that all calls of spill_hard_reg are followed by a call to
4562 Use the insns_need_reload list instead of something_needs_reloads
4563 to find out if reload_as_needed must be called.
4564 Clear unused_insn_chains at the end.
4566 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4568 Delete code to keep track of current basic block.
4569 Walk reload_insn_chain instead of the rtl structure. Build the
4570 insns_need_reload chain.
4571 Remember which insns need reloading/elimination by setting the
4572 appropriate fields in struct insn_chain, not by putting modes on the
4575 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4576 arg INSN. All callers changed.
4577 Delete declaration of struct needs.
4578 Don't set something_needs_reloads.
4579 Record insn needs in the CHAIN argument.
4581 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4583 (reload_as_needed): Lose FIRST arg. All callers changed.
4584 Walk the reload_insn_chain instead of the rtx structure.
4585 Delete code to keep track of current basic block.
4586 Rename one of the NEXT variables to OLD_NEXT.
4588 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4590 (choose_reload_regs): Likewise.
4592 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4595 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4596 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4597 (hard_regs_live, hard_regs_need_restore): Delete variables.
4598 (n_regs_saved): Now static.
4599 (referenced_regs, this_insn_sets): New variables.
4601 (setup_save_areas): Restructure the code a bit.
4603 (restore_referenced_regs): Delete function.
4604 (mark_referenced_regs): New function, similar to the old
4605 restore_referenced_regs, but mark registers in referenced_regs.
4607 (clear_reg_live): Delete function.
4608 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4609 Only mark registers in this_insn_sets.
4611 (save_call_clobbered_regs): Rework this function to walk the
4612 reload_insn_chain instead of using the list of instructions directly.
4613 Delete code to keep track of register lives, compute live regs on the
4614 fly from information in the chain.
4615 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4616 then walk the set it computes and call insert_restore as appropriate.
4618 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4620 Restructure the code a bit. Test hard_regs_saved instead of
4621 hard_regs_need_restore.
4622 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4623 args. All callers changed.
4624 Restructure the code a bit. Use TO_SAVE to determine which regs to
4625 save instead of more complicated test.
4626 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4628 Create a new insn_chain structure for the new insn and place it
4631 * rtl.texi: Update documentation to reflect that reload no longer
4632 puts modes on the insns.
4634 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4636 * function.c (purge_addressof_1): Force the first argument of a
4637 CALL insn to memory.
4639 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4641 * rtl.h: Delete duplicate prototypes. Add some missing
4643 * rtlanal.c: (for_each_rtx): Formatting tweak.
4645 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4647 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4648 to be compatible with TI compiler.
4650 * Makefile.in (USER_H): Add va-c4x.h to definition.
4652 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4654 * function.c (purge_addressof_1): Fix typo in inequality: do
4655 bitfield optimization for equal mode sizes.
4656 * expmed.c (store_bit_field): Don't take subregs of subregs in
4657 the movstrict case. Tidy a potential problem in the multi-word case.
4658 (extract_bit_field): Likewise.
4660 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4662 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4664 Compute max_uid_for_flow by calling get_max_uid after the scan.
4665 (find_basic_blocks_1): Don't emit NOPs here.
4667 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4669 * alias.c (base_alias_check): Accept new args for the modes of the
4670 two references. Use them to determine if an AND can overlap. Update
4672 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4673 to determine if an AND can overlap.
4675 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4677 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4678 check. Add comment to document problems with TARGET_SUN_FPA version
4680 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4682 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4684 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4686 * c-common.c (print_char_table): Add missing initializers.
4687 (scan_char_table): Likewise.
4688 (time_char_table): Likewise.
4690 * c-decl.c (c_decode_option): Mark parameter `argc' with
4692 (declare_parm_level): Mark parameter `definition_flag' with
4695 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4696 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4699 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4701 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4703 (expand_call): Cast result of MIN() to (unsigned int) when
4704 comparing against an unsigned value.
4706 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4708 (make_definition): Remove unused parameter `op'. All callers
4710 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4711 comparing against the result of pointer arithmetic.
4713 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4714 when comparing against one.
4716 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4717 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4719 (output_die): Move variable `i' into the scope in which it is
4720 used. Change its type to `unsigned'.
4721 (output_die): Cast the result of `strlen' to (int) when passing it
4722 to ASM_OUTPUT_ASCII().
4723 (output_pubnames): Likewise.
4724 (output_line_info): Likewise.
4726 * emit-rtl.c (global_rtl): Add missing initializers.
4728 * explow.c (promote_mode): Mark parameter `for_call' with
4731 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4732 `unsigned HOST_WIDE_INT' when comparing against one.
4733 (synth_mult): Change type of variable `cost' to int.
4734 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4736 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4737 when comparing against one.
4738 (get_inner_reference): Change variable `alignment' to unsigned.
4739 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4740 int) when comparing against one.
4741 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4743 * fold-const.c (div_and_round_double): Cast BASE to
4744 (HOST_WIDE_INT) when comparing against one.
4746 * gencheck.c: Include gansidecl.h.
4747 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4749 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4750 `tcode' with ATTRIBUTE_UNUSED.
4752 * real.c (edivm): Cast constant value to (unsigned long) in
4753 expression compared against an unsigned value.
4755 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4756 comparing against one.
4757 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4758 when comparing against one.
4760 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4761 (unsigned int) when comparing against one. Likewise for
4763 (smallest_mode_for_size): Likewise.
4764 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4765 (restore_storage_status): Likewise.
4767 * toplev.c (debug_args): Add missing initializer.
4768 (f_options): Spelling correction. Add missing initializers.
4769 (documented_lang_options): Likewise.
4770 (debug_end_source_file): Mark parameter `lineno' with
4773 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4774 `decl' and `type' with ATTRIBUTE_UNUSED.
4776 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4777 when comparing against one.
4778 (assemble_variable): Mark parameter `top_level' with
4780 (assemble_external_libcall): Mark parameter `fun' with
4782 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4785 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4787 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4788 Replace use of r5 with use of r19.
4790 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4792 * config/v850/v850.c (compute_register_save_size): Allow for the
4793 fact that helper functions save all registers, not just those used
4796 Replace constant 31 with macro LINK_POINTER_REGNUM.
4798 * config/v850/v850.md: Use 'indirect_operand' rather than
4799 'memory_operand' for bit test/set/clear patterns.
4801 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4803 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4804 * varasm.c (assemble_start_function et al): Don't call
4805 ASM_GLOBALIZE_LABEL for weak symbols.
4807 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4809 * cse.c (equiv_constant): Check for NULL return from
4810 gen_lowpart_if_possible().
4812 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4814 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4816 * collect2.c (main): Pass -EL/-EB through to the compiler.
4818 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4820 * expr.c (push_block): Handle targets where the stack grows
4821 to higher addresses, but args grow to lower addresses and
4822 ACCUMULATE_OUTGOING_ARGS is not defined.
4824 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4826 * config/v850/v850.c (print_operand): Extend meaning
4827 of 'c' operands to support .vtinherit.
4829 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4831 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4832 Added ATTRIBUTE_UNUSED to unused function arguments.
4833 (rc_reg_operand): New predicate.
4834 (c4x_rptb_insert): New function.
4835 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4836 (c4x_optimization_options): New function.
4838 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4839 (decrement_and_branch_on_count): New pattern.
4840 (rptb_top): Modified pattern to work with BCT optimization.
4842 * config/c4x/c4x.h (RC_REG): New register class.
4843 (rc_reg_operand): Define prototype.
4844 (IS_RC_REG): New macro.
4845 (IS_RC_OR_PSEUDO_REG): New macro.
4846 (IS_RC_OR_PSEUDO_REGNO): New macro.
4847 (OPTIMIZATION_OPTIONS): Define.
4849 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4851 * collect2.c (extract_init_priority): No priority is 65535.
4853 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4855 * Makefile.in (build_tooldir): new variable, same as old
4856 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4857 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4858 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4860 * configure.in (gxx_include_dir): set default based on unlibsubdir
4861 * Makefile.in (tooldir): ditto
4862 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4863 gxx_include_dir, includedir and tooldir
4864 (protoize.o, unprotoize.o): ditto
4866 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4868 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4870 * config/arm/thumb.c (thumb_override_options): Add warning about
4871 PIC code not being supported just yet.
4873 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4875 * flow.c: Update comment.
4876 (notice_stack_pointer_modification): New static function.
4877 (record_volatile_insns): Use it.
4878 (mark_regs_live_at_end): Mark the stack pointer as alive
4879 at the end of the function if current_function_sp_is_unchanging
4881 (life_analysis_1): Set current_function_sp_is_unchanging.
4882 * function.c: Define it.
4883 (init_function_start): Initialize it.
4884 * output.h: Declare it.
4885 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4886 the stack pointer as alive at the end of the function if
4887 current_function_sp_is_unchanging is set.
4888 * i386.c (ix86_epilogue): Optimize the restoring
4889 of the stack pointer.
4891 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4893 * version.c: Bump for snapshot.
4895 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4897 * c-pragma.c (handle_pragma_token): If passed a token instead
4898 of a tree, use that as the pack value.
4900 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4902 * flow.c (find_basic_blocks_1): Fix prototype.
4904 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4906 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4907 (struct tree_decl): New fields no_check_memory_usage.
4908 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4909 (init_attributes): Register it as a new attribute.
4910 (decl_attributes): Set flags on functions given that attribute.
4911 * c-decl.c (duplicate_decls): Merge new attribute.
4912 * expr.h (current_function_check_memory_usage): Declare new var.
4913 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4914 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4915 current_function_check_memory_usage.
4916 * function.h: Add field to struct function.
4917 * function.c (current_function_check_memory_usage): Define it.
4918 (push_function_context_to, pop_function_context_from): Save and
4920 (expand_function_start): Set it, based on global flag and function
4923 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4924 check non-automatic variables, to permit detection of writes to
4925 read-only locations in embedded systems without memory management.
4926 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4927 when emitting chkr_set_right_libfunc call, even if the argument is
4928 BLKmode or variable-sized; don't abort.
4930 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4931 symbols in Pmode, not VOIDmode.
4933 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4935 * cppexp.c: When forcing unsigned comparisons, cast both sides
4938 * cpphash.h: Move static declaration of hashtab[]...
4939 * cpphash.c: ...here.
4941 * cpplib.c: Cast difference of two pointers to size_t before
4942 comparing it to size_t. Cast signed to unsigned
4943 before comparing to size_t. (FIXME: struct argdata should use
4944 unsigned buffer sizes.)
4945 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4946 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4947 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4948 size_t before comparison.
4950 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4952 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4953 (find_basic_blocks_1): Similarly.
4954 * output.h (find_basic_blocks): Fix prototype.
4955 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4956 find_basic_blocks anymore.
4958 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4960 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4961 (sbitmap_free, sbitmap_vector_free): New macros.
4962 * output.h (rtl_dump_file): Declare.
4964 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4966 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4968 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4970 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4972 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4973 (divide): Remove unused variable `tmp'.
4974 (si_to_float): Cast numeric constant to (SItype) before comparing
4977 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4979 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4980 * gcc.c (add_preprocessor_option): Correct typo when allocating
4981 memory, sizeof() argument had one too many `*'.
4982 (add_assembler_option): Likewise.
4983 (add_linker_option): Likewise.
4984 * gcov.c (output_data): Likewise.
4985 * local-alloc.c (memref_used_between_p): Likewise.
4986 (update_equiv_regs): Likewise.
4987 * loop.c (strength_reduce): Likewise.
4988 * reg-stack.c (record_asm_reg_life): Likewise.
4989 (subst_asm_stack_reg): Likewise.
4990 * reorg.c (dbr_schedule): Likewise.
4992 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4994 * flow.c (life_analysis_1): Break out some functions.
4995 (find_basic_blocks_1): Likewise. Also move some variables out and
4997 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4998 new static var nonlocal_label_list with it.
4999 (active_eh_region, nested_eh_region, label_value_list,
5000 nonlocal_label_list): New static variables.
5001 (make_edges, delete_unreachable_blocks, delete_block): New static
5002 functions, broken out of find_basic_blocks_1.
5003 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5004 noop_move_p): New static functions, broken out of life_analysis_1.
5006 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5008 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5009 Take extra care for op0 now possibly being a subreg.
5010 (extract_bit_field): Likewise.
5011 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5012 the reg to memory if there is no equal sized integral mode.
5013 * stor-layout.c (int_mode_for_mode): New function.
5014 * machmode.h: Prototype it.
5016 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5018 * global.c (build_insn_chain): Verify no real insns exist past the
5019 end of the last basic block, then exit the loop.
5021 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5023 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5025 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5027 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5029 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5031 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5033 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5035 * flow.c (find_basic_blocks): Correctly determine when a call
5036 is within an exception region.
5038 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5040 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5042 * cpplib.h: Protect from multiple inclusions.
5043 * cpplib.c: Fix minor formatting problems.
5045 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5047 * jump.c (jump_optimize): Revert accidental patch.
5049 * Makefile.in (cpplib.o): Use unlibsubdir.
5051 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5053 * loop.c (get_condition): Allow combine when either compare is
5056 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5058 * version.c: Bump for snapshot.
5060 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5062 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5063 (init_lex): Initialize ridpointers[RID_BYREF].
5064 * c-lex.h (enum rid): Add RID_BYREF.
5065 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5066 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5067 (encode_type_qualifiers): Similarly
5068 * c-gperf.h: Rebuilt.
5070 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5072 * c-common.c (type_for_mode): Only return TItype nodes when
5073 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5074 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5075 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5076 (init_decl_processing): Only create TItype nodes when
5077 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5078 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5079 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5081 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5083 * stmt.c (n_occurrences): New static function.
5084 (expand_asm_operands): Verify that all constrains match in the
5085 number of alternatives.
5086 Verify that '+' or '=' are at the beginning of an output constraint.
5087 Don't allow '&' for input operands.
5088 Verify that '%' isn't written for the last operand.
5089 * reload.c (find_reloads): Abort if an asm is found with invalid
5090 constraints; all possible problems ought to be checked for earlier.
5092 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5094 * flags.h (flag_branch_on_count_reg): Always declare
5095 * toplev.c (flag_branch_on_count_reg): Likewise.
5096 * toplev.c: Fix typos.
5098 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5101 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5103 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5105 (find_basic_blocks_1): Add a nop to the end of a basic block when
5106 a trailing call insn does not have abnormal control flow.
5107 * gcse.c (pre_transpout): New variable.
5108 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5109 (compute_pre_transpout): Calculate it.
5110 (compute_pre_ppinout): Use it to eliminate impossible placements
5111 due to abnormal control flow through calls.
5112 (compute_pre_data): Call compute_pre_transpout.
5114 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5116 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5118 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5120 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5121 and matching define_insns): Tack on a `use' of the table label, so
5122 flow analysis will recognize a tablejump.
5124 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5126 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5127 always end basic blocks for abnormal edge reasons.
5129 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5131 * config/i386/i386.h: Remove definition of
5132 HANDLE_PRAGMA_PACK_PUSH_POP.
5134 * config/i386/go32.h: Add definition of
5135 HANDLE_PRAGMA_PACK_PUSH_POP.
5137 * config/i386/win32.h: Add definition of
5138 HANDLE_PRAGMA_PACK_PUSH_POP.
5140 * config/i386/cygwin32.h: Add definition of
5141 HANDLE_PRAGMA_PACK_PUSH_POP.
5143 * c-pragma.c (insert_pack_attributes): Do not insert
5144 attributes unless #pragma pack(push,<n>) is in effect.
5146 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5148 * expr.c (emit_group_store): Handle a PARALLEL destination.
5150 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5152 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5153 the new insns before the argument regs are loaded.
5155 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5157 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5158 (c-parse.gperf): Update comments describing invocation flags.
5159 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5161 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5163 * reload1.c (reload): Call free before clobbering the memory
5164 locations or constants pointers.
5166 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5168 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5169 for efficiency by checking whether we need to modify the current
5170 stack permission at all.
5171 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5172 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5173 __enable_execute_stack libcall here too if
5174 TRANSFER_FROM_TRAMPOLINE is defined.
5175 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5178 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5180 * Makefile.in (DRIVER_DEFINES): Remove last change.
5182 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5184 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5185 insns we're going to copy.
5186 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5188 * loop.c (count_one_set): Add prototype.
5190 * caller-save.c (restore_referenced_regs): Lose mode argument.
5191 (insert_save): Lose mode argument.
5192 (insert_restore): Lose mode argument.
5193 (insert_one_insn): Lose mode argument.
5194 (save_call_clobbered_regs): Lose mode argument.
5195 (setup_save_areas): Take no argument and return void. All callers
5197 Don't verify validity of memory addresses.
5198 * reload.h (setup_save_ares): Adjust prototype.
5199 (save_call_clobbered_regs): Likewise.
5200 * reload1.c (delete_caller_save_insns): New function.
5201 (caller_save_spill_class): Delete variable.
5202 (caller_save_group_size): Delete variable.
5203 (reload): Call setup_save_areas and save_call_clobbered_regs
5204 in the main loop, before calling calculate_needs_all_insns.
5205 Don't call save_call_clobbered_regs after the loop.
5206 Call delete_caller_save_insns at the end of an iteration if
5208 Delete code to manage caller_save_spill_class.
5209 Emit the final note before setting reload_first_uid.
5210 Simplify test that determines whether reload_as_needed gets run.
5211 (calculate_needs): Delete code to manage caller_save_spill_class.
5213 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5215 * collect2.c (main): Initialize ld_file_name.
5217 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5219 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5220 check for flag_function_sections.
5222 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5224 * cse.c (insert_regs): Fix bug in Sep 24 change.
5226 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5228 * flags.h (flag_dump_unnumbered): Declare.
5229 * toplev.c (flag_dump_unnumbered): Don't declare.
5230 * print-rtl.c (flags.h): Include.
5231 (print_rtl_single): Add return value.
5232 * rtl.h (print_rtl_single): Update declaration.
5233 * flow.c (flag_dump_unnumbered): Don't declare.
5234 (print_rtl_with_bb): Use return value of print_rtl_single.
5236 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5238 * loop.c (count_one_set): New static function, broken out of
5240 (count_loop_regs_set): Call it.
5241 * global.c (mark_reg_store): Handle clobbers here by not calling
5243 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5244 is in fact a clobber.
5245 * integrate.c (process_reg_param): New function, broken out of
5246 expand_inline_function.
5247 (expand_inline_function): Call it.
5250 * i386.md (addsidi3_1): Delete unused variable temp.
5251 (addsidi3_2): Likewise.
5252 (clstrstrsi): Delete unused variable addr1.
5254 * rtl.h: Don't declare any functions also declared in recog.h.
5256 * Makefile.in (stupid.o): Update dependencies.
5257 (global.o): Likewise.
5259 * global.c: Include reload.h
5260 (reg_becomes_live): New function.
5261 (reg_dies): New function.
5262 (build_insn_chain): New function.
5263 (global_alloc): Call build_insn_chain before calling reload.
5265 * reload.h (struct needs): New structure definition.
5266 (struct insn_chain): Likewise.
5267 (reload_insn_chain): Declare variable.
5268 (new_insn_chain): Declare function.
5271 * reload1.c (reload_startobj): New variable.
5272 (reload_insn_chain): New variable.
5273 (unused_insn_chains): New variable.
5274 (new_insn_chain): New function.
5275 (init_reload): Initialize reload_startobj, not reload_firstobj.
5276 (reload): Initialize reload_firstobj.
5277 Before returning, free everything on the reload_obstack.
5279 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5280 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5281 current_chain): New variables.
5282 (reg_where_born): Delete variable.
5283 (REG_WHERE_BORN): New macro.
5284 (find_clobbered_regs): New function.
5285 (stupid_life_analysis): Don't allocate/free reg_where_born.
5286 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5287 reg_where_dead_chain.
5288 Use REG_WHERE_BORN instead of reg_where_born.
5289 While processing the insns, build the reload_insn_chain with
5290 information about register lifetimes.
5291 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5292 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5294 Compute and information about birth and death of pseudo registers in
5295 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5296 Delete code to set elements of reg_where_born.
5298 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5300 * tree.def (GOTO_EXPR): Modified documentation.
5301 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5304 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5306 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5307 loop_final_value, loop_comparison_code): No longer static.
5308 (unroll_loop): Delete loop_start_value update.
5309 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5310 loop_final_value, loop_comparison_code): Extern.
5311 (loop_start_value): Delete extern.
5312 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5313 loop_comparison_value, loop_comparison_code): Delete.
5314 (loop_optimize): Remove initialization for deleted variables.
5315 (strength_reduce): Delete analyze_loop_iterations call. Only call
5316 insert_bct if flag_branch_count_on_reg set.
5317 (analyze_loop_iterations): Delete.
5318 (insert_bct): Remove iteration count calculation. Move checks for
5319 viable BCT optimization to here. Obtain iteration count from
5320 loop_iterations and correct for unrolling. Check for enough
5321 iteration to be beneficial. Comment out runtime iteration count
5323 (insert_bct): Print iteration count in dump file. Remove
5324 loop_var_mode and use word_mode directly.
5326 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5327 * rs6000.c (rs6000_override_options): Use it.
5328 (optimization_options): Enable use of flag_branch_on_count_reg.
5329 * rs6000.md (define_function_unit): Describe 604e.
5331 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5333 * loop.c (move_movables): Corrected threshold calculation for
5334 moved_once registers.
5336 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5338 * loop.c (combine_givs_p): Fix test for identical givs.
5340 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5342 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5343 call abort if the function is already defined.
5345 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5347 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5348 truncation is not a no-op.
5350 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5352 * version.c: Bump for snapshot.
5354 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5356 * version.c: Bump for snapshot.
5358 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5360 * expmed.c (expand_divmod): Don't widen for computing remainder
5361 if we seem to have a divmod pattern for needed mode.
5363 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5365 * cpplib.c (macroexpand): Correct off-by-one error in handling
5368 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5370 * combine.c (expand_field_assignment): Don't do bitwise operations
5371 on MODE_FLOAT; pun to MODE_INT if possible.
5373 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5374 scott snyder <snyder@d0sgif.fnal.gov>
5376 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5377 linker. Recognize mangled names in quotes.
5379 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5381 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5382 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5383 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5384 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5386 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5388 * function.c (purge_addressof_1): If trying to take a sub-word
5389 integral piece of a floating point mode, put it on the stack.
5391 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5393 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5395 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5397 * PROJECTS: Remove template friends.
5399 * collect2.c (sort_ids): Remove unused variable.
5401 * tm.texi (MATH_LIBRARY): Document.
5402 (NEED_MATH_LIBRARY): Remove.
5404 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5405 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5407 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5409 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5410 last_end to 0x7fffffff.
5412 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5414 * function.c (purge_addressof_1): Do not perform endianness
5415 corrections on bitpos, who we call will do it for us.
5417 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5419 * h8300.c (WORD_REG_USED): Fix typo.
5420 (initial_offset): Use WORD_REG_USED.
5422 * h8300.c (handle_pragma): Fix typo.
5424 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5426 * caller-save.c (insert_save_restore): Break this function up
5427 into new functions insert_restore, insert_save and insert_one_insn.
5428 All callers changed.
5429 (insert_restore): New function, mostly broken out of
5430 insert_save_restore.
5431 (insert_save): Likewise.
5432 (insert_one_insn): Likewise.
5433 (restore_referenced_regs): New argument BLOCK. All callers changed.
5434 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5435 in this function, do it in insert_one_insn instead.
5437 * reload1.c (reload): Break out some more pieces into separate
5439 (dump_needs): New function, broken out of reload.
5440 (set_initial_elim_offsets): Likewise.
5441 (init_elim_table): Likewise.
5442 (update_eliminables): Likewise.
5444 * global.c (global_alloc): Delete code to manage the scratch_list.
5445 * local-alloc.c (qty_scratch_rtx): Delete.
5446 (scratch_block): Delete.
5447 (scratch_list): Delete.
5448 (scratch_list_length): Delete.
5449 (scratch_index): Delete.
5450 (alloc_qty_for_scratch): Delete.
5451 (local-alloc): Update initialization of max_qty.
5452 Delete code to manage the scratch list.
5453 Delete code to allocate/initialize qty_scratch_rtx.
5454 (block_alloc): Don't allocate quantities for scratches.
5455 Delete code to manage the scratch list.
5456 * regs.h (scratch_list): Delete declaration.
5457 (scratch_block): Delete declaration.
5458 (scratch_list_length): Delete declaration.
5459 * reload1.c (reload): Delete code to manage the scratch list.
5460 (spill_hard_reg): Likewise.
5461 (mark_scratch_live): Delete.
5463 * recog.c (alter_subreg): Delete declaration.
5465 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5467 * Makefile.in (cccp.o): Fix typo in last patch.
5469 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5471 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5472 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5474 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5476 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5477 NULL_RTX as an argument.
5479 * Makefile.in (unlibsubdir): Define.
5480 (DRIVER_DEFINES): Use unlibsubdir.
5481 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5482 (stmp-fixinc): Similarly.
5484 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5486 * regmove.c (regmove_optimize): Add variable old_max_uid.
5487 At the end of the function, update basic_block_end.
5489 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5491 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5492 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5495 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5497 * config/arm/arm.c: Improve interworking support.
5499 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5501 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5502 copied from reload_out[r] .
5504 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5506 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5507 with more than three size ranges.
5509 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5511 * rtl.c (mode_name): Add a null string at the end of the array.
5512 (mode_wider_mode): Change type to unsigned char.
5513 (mode_mask_array): New variable.
5514 (init_rtl): Update for mode_wider_mode type change.
5516 * rtl.h (mode_wider_mode): Change type to unsigned char.
5517 (mode_mask_array): Declare.
5518 (GET_MODE_MASK): Use mode_mask_array.
5520 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5522 * calls.c (expand_call) : Encapsulate code into
5523 copy_blkmode_from_reg.
5524 * expr.c (copy_blkmode_from_reg): New function.
5525 * expr.h (copy_blkmode_from_reg): New function.
5526 * integrate.c (function_cannot_inline_p): We can inline
5528 (expand_inline_function): Use copy_blkmode_from_reg
5529 if needed. Avoid creating BLKmode REGs.
5530 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5533 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5535 * config/v850/v850.c: Add function prototypes.
5536 Add support for v850 special data areas.
5538 * config/v850/v850.h: Add support for v850 special data areas.
5540 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5541 HANDLE_PRAGMA_PACK_PUSH_POP.
5542 (push_alignment): New function: Cache an alignment requested
5543 by a #pragma pack(push,<n>).
5544 (pop_alignment): New function: Pop an alignment from the
5546 (insert_pack_attributes): New function: Generate __packed__
5547 and __aligned__ attributes for new decls whilst a #pragma pack
5549 (add_weak): New function: Cache a #pragma weak directive.
5550 (handle_pragma_token): Document calling conventions. Add
5551 support for #pragma pack(push,<n>) and #pragma pack (pop).
5553 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5554 are defined enable HANDLE_PRAGMA_PACK.
5555 Move 'struct weak_syms' here (from varasm.c).
5556 Add pragma states for push and pop pragmas.
5558 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5561 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5562 HANDLE_GENERIC_PRAGMAS.
5564 * varasm.c: Move definition of 'struct weak_syms' into
5566 (handle_pragma_weak): Deleted.
5568 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5570 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5572 * c-decl.c (start_function): Add invocation of
5573 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5575 * tm.texi: Remove description of non-existant macro
5576 SET_DEFAULT_SECTION_NAME.
5578 (HANDLE_SYSV_PRAGMA): Document.
5579 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5581 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5583 * config.sub: Recognize i[34567]86-pc-udk as new target.
5584 * configure.in: Likewise.
5585 * config/i386/t-udk: New file.
5586 * config/i386/udk.h: New file.
5588 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5590 * reorg.c (check_annul_list_true_false): Remove unused variables.
5591 (steal_delay_list_from_target): Add missing "used_annul" variable.
5592 (try_merge_delay_insns): Close out half formed comment.
5594 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5596 * cpplib.c (macroexpand): If arg->raw_before or
5597 arg->raw_after, remove any no-reexpansion escape at the
5598 beginning of the pasted token. Correct handling of whitespace
5599 markers and no-reexpand markers at the end if arg->raw_after.
5601 * toplev.c (documented_lang_options): Recognize -include,
5602 -imacros, -iwithprefix, -iwithprefixbefore.
5603 * cpplib.c (cpp_start_read): Process -imacros and -include
5604 switches at the same time and in command-line order, after
5605 initializing the dependency-output code. Emit properly nested
5606 #line directives for them. Emit a #line for the main file
5607 before processing these switches, and don't do it again
5610 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5612 * function.c (purge_addressof_1): Use bitfield manipulation
5613 routines to handle mem mode < reg mode.
5615 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5617 * reorg.c (try_merge_delay_insns): Account for resources referenced
5618 in each instruction in INSN's delay list before trying to eliminate
5619 useless instructions. Similarly when looking at a trial insn's delay
5622 * reorg.c (check_annul_list_true_false): New function.
5623 (steal_delay_list_from_{target,fallthrough}): Call it and also
5624 refine tests for when we may annul if already filled a slot.
5625 (fill_slots_from_thread): Likewise.
5626 (delete_from_delay_slot): Return newly-created thread.
5627 (try_merge_delay_isns): Use its new return value.
5629 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5631 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5632 used to compute a giv or as some other non-counting use.
5634 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5636 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5637 * local-alloc.c (find_free_reg): Use it.
5638 * global.c (find_reg): Likewise.
5639 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5641 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5642 * caller-save.c (init_caller_save): Use it.
5643 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5645 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5647 * configure.in: Add --enable-cpplib option which uses cpplib
5648 for cpp, but doesn't link cpplib into cc1. Make help text
5649 capitalization consistent.
5650 * configure: Rebuilt.
5652 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5654 * function.c (gen_mem_addressof): If the address REG is
5655 REG_USERVAR_P make the new REG be so also.
5656 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5657 in an attempt to clarify slightly.
5659 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5661 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5662 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5664 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5666 * toplev.c: Fix last patch.
5668 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5670 * loop.c (get_condition): Fix typo in May 9 change.
5672 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5674 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5676 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5678 * toplev.c (documented_lang_options): Spelling corrections.
5680 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5682 * configure.in: new flags --with-ld and --with-as, equivalent
5683 to setting LD and AS environment variables. Test whether
5684 specified arguments are GNU commands, and report them with
5685 checking messages. Use the specified AS for configure
5688 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5690 * gcc.c (find_a_file): when looking for `as' and `ld', return
5691 the DEFAULT program if it exists
5692 * collect2.c (main): use DEFAULT_LINKER if it exists
5694 * gcc.c (find_a_file): the test for existence of a full
5695 pathname was reversed
5697 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5699 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5700 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5702 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5704 * tree.h (TYPE_BINFO): Document.
5706 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5708 * i386-coff.h (dbxcoff.h): Added.
5710 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5712 * toplev.c: fix bad patch around flag_data_sections.
5714 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5716 * reload1.c (reload): Use reload_address_index_reg_class and
5717 reload_address_base_reg_class when setting
5718 caller_save_spill_class. (Patch generated by Jim Wilson:
5721 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5723 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5724 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5725 * expr.c (store_field): Add alias_set parameter. Set the
5726 MEM_ALIAS_SET accordingly, if the target is a MEM.
5727 (expand_assignment): Use it.
5728 (store_constructor_field): Pass 0.
5729 (expand_expr): Likewise.
5731 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5733 * flags.h: Add flag_data_sections.
5734 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5735 (compile_file): Error if flag_data_sections not supported.
5736 * varasm.c (assemble_variable): Handle flag_data_sections.
5737 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5738 * config/mips/elf.h: Likewise.
5739 * config/mips/elf64.h: Likewise.
5740 * invoke.texi: Describe -fdata-sections.
5742 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5744 * invoke.texi (-ffloat-store): Clarify that this option
5745 does not affect intermediate results -- only variables.
5747 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5749 * cpp.texi: Update for Fortran usage from Craig.
5751 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5753 * rs6000.c (function_arg_boundary): Revert accidental change on
5756 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5758 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5759 (output_mi_thunk): Declare.
5761 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5762 (output_function_profiler): Use r12 for temp, instead of r11 so
5763 that we preserve the static chain register.
5765 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5767 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5769 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5771 * sh.c (gen_shl_sext): Fix case 5.
5773 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5775 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5777 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5779 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5780 accessing variables until they are initialized via va_arg().
5782 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5784 * reload1.c (reload_combine): Initialize set before using.
5786 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5788 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5791 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5793 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5794 operand3 with mask before using it. Patch provided by Jim Wilson.
5796 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5798 * config/sparc/sparc.c (function_value): Perform the equivalent of
5799 PROMOTE_MODE for ARCH64.
5800 (eligible_for_epilogue_delay): Allow DImode operations in delay
5801 slot of a return for ARCH64.
5803 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5805 * sh.md (sqrtsf2): Fix mode of sqrt.
5807 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5809 * reload1.c (choose_reload_regs): Also try inheritance when
5810 reload_in is a stack slot of a pseudo, even if we already got a
5813 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5815 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5816 (reload_cse_regs): New function body: call reload_cse_regs_1,
5817 reload_combine, reload_cse_move2add.
5818 When doing expensive_optimizations, call reload_cse_regs_1 a
5819 second time after reload_cse_move2add.
5820 (reload_combine, reload_combine_note_store): New functions.
5821 (reload_combine_note_use): New function.
5822 (reload_cse_move2add, move2add_note_store): New functions.
5824 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5826 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5827 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5829 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5830 more than 3 such reloads.
5832 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5833 RELOAD_FOR_X_ADDR_ADDR reload.
5835 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5837 * expr.c (store_constructor): When initializing a field that is smaller
5838 than a word, at the start of a word, try to widen it to a full word.
5840 * cse.c (cse_insn): When we are about to change a register,
5841 remove any invalid references to it.
5843 (remove_invalid_subreg_refs): New function.
5844 (mention_regs): Special treatment for SUBREGs.
5845 (insert_regs): Don't strip SUBREG for call to mention_regs.
5846 Check if reg_tick needs to be bumped up before that call.
5847 (lookup_as_function): Try to match known word_mode constants when
5848 looking for a norrower constant.
5849 (canon_hash): Special treatment for SUBREGs.
5851 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5853 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5854 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5855 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5856 and offsets in actual stack trampoline code so they match the
5857 commentary and actually work.
5859 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5861 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5863 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5864 tmake_file. Set extra_parts to needed crt objects.
5865 * configure: Rebuilt.
5866 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5867 (TARGET_DEFAULT): Set if default is v9 or ultra.
5868 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5869 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5870 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5871 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5872 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5873 (TARGET_VERSION): Define.
5874 (MULTILIB_DEFAULT): Define.
5875 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5876 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5877 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5879 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5880 * config/sparc/sparc.c (sparc_override_options): If arch and
5881 pointer size disagree, emit diagnostic and fix it up. If
5882 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5883 V8PLUS in 64-bit mode.
5884 * config/sparc/t-linux64: New file.
5885 * config/sparc/t-sol2-64: New file.
5886 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5887 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5888 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5889 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5890 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5891 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5893 (STARTFILE_SPEC): Set approriately based upon those.
5894 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5895 disposition of DEFAULT_ARCH32_P.
5896 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5897 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5898 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5899 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5900 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5902 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5904 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5906 * rtl.h (init_virtual_regs): New function.
5907 * emit-rtl.c (init_virtual_regs): Define.
5908 (insn_emit): Use it.
5909 * integrate.c (save_for_inline_copying): Likewise.
5911 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5913 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5914 (enum reg_class): Add NONARG_LO_REGS support.
5915 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5916 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5917 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5918 completes. Re-enable HImode REG+OFFSET addresses.
5919 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5921 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5923 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5925 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5926 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5927 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5929 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5931 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5932 jumps as a single entity, taking into account the size of the
5935 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5937 * tree.def (SWITCH_EXPR): New tree node definition.
5939 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5941 * version.c: Bump for snapshot.
5943 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5945 * version.c: Bump for snapshot.
5947 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5949 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5952 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5954 * Revert this patch.
5955 * reload.c (find_reloads): Do not replace a pseudo with
5956 (MEM (reg_equiv_addr)) in the initializing insn for the
5959 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5961 * final.c (final_scan_insn): Disable tracking CC across branches.
5963 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5965 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5966 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5967 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5968 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5969 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5971 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5973 * toplev.c (rest_of_compilation): Skip compiling anything with
5974 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5976 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5978 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5979 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5980 use in_libcall_block.
5981 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5982 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5985 Mon Sep 21 14:02:23 1998
5987 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5988 typo in no-fancy-math-387 description.
5990 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5992 * version.c: Bump for snapshot.
5994 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5996 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5998 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6000 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6001 documented in install.texi.
6002 (TARGET_OPTIONS) Likewise.
6004 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6006 * version.c: Bump for snapshot.
6008 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6010 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6011 * cccp.c (main): Likewise.
6013 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6014 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6017 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6019 * Makefile.in (LIBS): Link in libiberty.a.
6020 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6022 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6024 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6025 it to update bb boundaries. Update caller.
6026 * function.c (reposition_prologue_and_epilogue_notes): Update
6027 bb boundaries wrt the moved note.
6029 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6031 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6033 * configure: Regenerate.
6035 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6037 * alpha.c (alpha_sr_alias_set): New variable.
6038 (override_options): Set it.
6039 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6040 (mode_mask_operand): Fix signed-unsigned comparision warning.
6041 (alpha_expand_block_move): Likewise.
6042 (print_operand): Likewise.
6043 (get_aligned_mem): Use change_address.
6044 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6045 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6046 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6047 (alpha_align_insns): Remade from old alphaev5_align_insns
6048 to handle multiple processors.
6049 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6050 * output.h (label_to_alignment): Prototype.
6052 * tree.c (new_alias_set): New function.
6053 * tree.h (new_alias_set): Declare it.
6054 * c-common.c (c_get_alias_set): Use it.
6056 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6058 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6059 to an ABS expr, convert an unsigned input to signed.
6061 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6063 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6065 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6067 * configure.in: Add support for c4x targets.
6068 * configure: Rebuilt.
6070 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6072 * combine.c (distribute_notes): If an insn is a cc0 user, only
6073 delete it if we can also delete the cc0 setter.
6075 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6077 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6078 (invert_truthvalue): Enable truthvalue inversion for
6079 floating-point operands if -ffast-math.
6081 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6083 * configure.in: Disable collect2 for nextstep. Instead use
6085 * configure: Rebuilt.
6086 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6087 (ENDFILE_SPEC): Define.
6088 (OBJECT_FORMAT_MACHO): Define.
6089 (EH_FRAME_SECTION_ASM_OP): Define.
6090 * crtstuff.c: Handle MACHO.
6092 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6094 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6096 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6098 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6099 (_fpadd_parts): Get sign right for 0.
6101 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6103 * ginclude/varargs.h: Add support for C4x target.
6104 * ginclude/stdargs.h: Likewise.
6106 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6108 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6109 (alpha_emit_set_long_const): Rewrite to be callable from reload
6111 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6112 * alpha.md (movdi): Likewise.
6114 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6116 * arm.c (add_constant): New parameter address_only, change caller.
6117 Set it non-zero if taking the address of an item in the pool.
6118 (arm_reorg): Handle cases where we need the address of an item in
6121 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6123 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6124 memory addresses that are not in standard canonical form.
6126 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6128 * README.C4X: New file with information about the c4x ports.
6129 * ginclude/va-c4x.h: New file for c4x varargs support.
6130 * config/c4x: New directory with c4x port files.
6132 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6134 * reload.c (find_reloads): Do not replace a pseudo with
6135 (MEM (reg_equiv_addr)) in the initializing insn for the
6138 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6140 * toplev.c (rest_of_compilation): Set bct_p on second call to
6142 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6144 (strength_reduce): Only call analyze_loop_iterations and
6145 insert_bct if bct_p set.
6146 (check_dbra_loop): Fix typo.
6147 (insert_bct): Use word_mode instead of SImode.
6148 (instrument_loop_bct): Likewise. Do not delete iteration count
6149 condition code generation insn. Initialize iteration count before
6151 * rtl.h (loop_optimize): Update prototype.
6153 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6154 not doubleword aligned.
6156 * rs6000.c (optimization_options): New function.
6157 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6158 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6159 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6160 first; cr1 can be used for FP record condition insns.
6162 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6164 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6167 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6170 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6172 (block_move_call): New function: Call a library routine to copy a
6174 (m32r_expand_block_move): New function: Expand a "movstrsi"
6175 pattern into a sequence of insns.
6176 (m32r_output_block_move): New function: Expand a
6177 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6178 (m32r_block_immediate_operand): New function: Return true if the
6179 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6181 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6183 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6185 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6187 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6189 * regmove.c (copy_src_to_dest): Check that modes match.
6191 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6193 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6195 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6197 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6198 narrower than FLOAT_REGS.
6200 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6202 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6204 * Makefile.in (old_gxx_include_dir): removed
6206 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6208 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6211 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6212 (sh_handle_pragma): Change function arguments to match new
6213 specification for HANDLE_PRAGMA.
6215 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6217 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6219 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6220 When generating output, initialize missing struct member to zero.
6222 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6224 * regmove.c (copy_src_to_dest): Don't copy if that requires
6225 (a) new register(s).
6227 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6229 * global.c (reg_allocno): Now static.
6230 * reload1.c (reg_allocno): Delete declaration.
6231 (order_regs_for_reload): Take no arguments. Don't treat regs
6232 allocated by global differently than those allocated by local-alloc.
6234 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6236 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6237 condition, fix format strings.
6238 (output_function_epilogue): Likewise.
6240 * m68k/m68k.c: Don't include <stdlib.h> directly.
6242 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6244 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6245 mem_first_set, mem_last_set; because 0 can be a CUID.
6246 (oprs_unchanged_p): Use new definition.
6247 (record_last_reg_set_info): Likewise.
6248 (record_last_mem_set_info): Likewise.
6249 (compute_hash_table): Likewise.
6251 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6253 * rs6000.c (output_epilogue): Handle Chill.
6255 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6256 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6258 * combine.c (make_extraction): If no mode is specified for
6259 an operand of insv, extv, or extzv, default it to word_mode.
6260 (simplify_comparison): Similarly.
6261 * expmed.c (store_bit_field): Similarly.
6262 (extract_bit_field): Similarly.
6263 * function.c (fixup_var_regs_1): Similarly.
6264 * recog.c (validate_replace_rtx_1): Similarly.
6265 * mips.md (extv, extzv, insv expanders): Default modes for most
6266 operands. Handle TARGET_64BIT.
6267 (movdi_uld, movdi_usd): New patterns.
6269 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6270 equivalent memory location unless we have been provided a scratch
6271 register. Similarly do not call find_replacement unless a
6272 scratch register has been provided.
6274 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6276 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6279 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6281 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6282 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6283 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6284 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6285 * c-decl.c (init_decl_processing): Update accordingly.
6286 * expr.c (expand_builtin): Likewise.
6288 * rtl.h (global_rtl): Add cfa entry.
6289 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6290 (LAST_VIRTUAL_REGISTER): Update.
6291 * emit-rtl.c (global_rtl): Add cfa entry.
6292 (init_emit): Initialize it.
6293 * function.c (cfa_offset): New.
6294 (instantiate_virtual_regs): Initialize it.
6295 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6296 (expand_function_end): Call expand_eh_return.
6297 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6299 * except.c (current_function_eh_stub_label): Kill.
6300 (current_function_eh_old_stub_label): Likwise; update all references.
6301 (expand_builtin_set_return_addr_reg): Kill.
6302 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6303 (expand_builtin_set_eh_regs): Kill.
6304 (eh_regs): Produce a third reg for the actual handler address.
6305 (eh_return_context, eh_return_stack_adjust): New.
6306 (eh_return_handler, eh_return_stub_label): New.
6307 (init_eh_for_function): Initialize them.
6308 (expand_builtin_eh_return, expand_eh_return): New.
6309 * except.h: Update prototypes.
6310 * flow.c (find_basic_blocks_1): Update references to the stub label.
6311 * function.h (struct function): Kill stub label elements.
6313 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6314 register number is one that would be in the previous window.
6315 Provide a dummy definition for non-windowed targets.
6316 (get_reg_addr): New function.
6317 (get_reg, put_reg, copy_reg): Use it.
6318 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6319 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6321 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6322 (alpha_init_expanders): Initialize it.
6323 (alpha_expand_epilogue): Use it.
6324 * alpha.h: Declare it.
6325 * alpha.md (eh_epilogue): New.
6327 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6328 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6330 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6332 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6335 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6337 * except.h (struct eh_entry): Add false_label field.
6338 (end_catch_handler): Add prototype.
6339 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6340 (start_catch_handler): When using old style exceptions, issue
6341 runtime typematch code before continuing with the handler.
6342 (end_catch_handler): New function, generates label after handler
6343 if needed by older style exceptions.
6344 (expand_start_all_catch): No need to check for new style exceptions.
6345 (output_exception_table_entry): Only output the first handler label
6346 for old style exceptions.
6347 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6348 mechanism into one function, if a runtime matcher is provided.
6350 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6352 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6354 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6356 * integrate.c (copy_decl_list): Fix typo.
6358 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6360 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6363 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6365 * version.c: Bump for snapshot.
6367 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6369 * version.c: Bump for snapshot.
6371 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6373 * version.c: Bump for snapshot.
6375 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6377 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6379 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6381 * configure.in: remove usage of `!' to negate the result of a
6382 command; some common shells do not support it
6384 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6386 * configure.in: in sparc9-sol2 config, use 'if test' not
6388 * configure: Rebuilt.
6390 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6392 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6393 (CPP_CPU_DEFAULT_SPEC): Likewise.
6394 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6395 for arch64 libfuncs.
6397 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6400 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6402 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6404 * collect2.c: Don't declare `sys_siglist' here.
6405 (my_strsignal): Prototype and define new function. Use it in
6406 place of `sys_siglist' hacks.
6408 * mips_tfile.c: Likewise.
6410 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6411 (GCC_NEED_DECLARATIONS): Likewise.
6413 * system.h (strsignal): Prototype it, if necessary.
6414 (sys_siglist): Declare it, if necessary.
6416 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6418 * loop.c (move_movables): While removing insn sequences, preserve
6419 the next pointer of the most recently deleted insn when we skip
6422 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6424 * objc/config-lang.in: Do not output the name of the selected
6425 thread file when building the front-end. The Makefile for the
6426 runtime library will do this.
6428 * objc/Make-lang.in: Do not build the runtime library or install
6429 the Objective C header files. The Makefile for the runtime
6430 library will do this.
6432 * objc/Makefile.in (all.indirect): Only build the front-end.
6433 (compiler): Rename to `frontend'.
6434 (obj-runtime): Remove target.
6435 (copy-headers): Likewise.
6436 (clean): No need to remove `libobjc.a' any longer.
6438 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6440 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6441 supported with -mcpu=xxx.
6443 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6445 * flow.c (mark_set_1): Recognize multi-register structure return
6446 values in CALL insns.
6447 (mark_used_regs): Likewise.
6448 (count_reg_sets_1): Likewise.
6449 (count_reg_references): Likewise.
6450 * rtlanal.c (note_stores): Likewise.
6451 (reg_overlap_mentioned_p): Likewise.
6452 * haifa-sched.c (check_live_1): Likewise.
6453 (update_live_1): Likewise.
6454 (sched_analyze_1): Likewise.
6455 (sched_note_set): Likewise.
6456 (birthing_insn_p): Likewise.
6457 (attach_deaths): Likewise.
6459 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6462 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6464 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6466 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6468 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6470 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6472 * configure.in: Add check for GAS subsection -1 support.
6473 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6474 * configure config.in: Rebuilt.
6475 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6476 SImode is subsection -1 works, else use DImode.
6477 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6478 subsection -1 works.
6479 * config/sparc/sparc.c (sparc_output_addr_vec,
6480 sparc_output_addr_diff_vec): Use them if defined.
6482 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6484 * tree.h (DECL_ORIGIN): New macro.
6485 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6486 (copy_decl_list): Use it.
6487 (integrate_parm_decls): Likewise.
6488 (integrate_decl_tree): Likewise.
6489 * dwarf2out.c (decl_ultimate_origin): Simplify.
6490 * dwarfout.c (decl_ultimate_origin): Likewise.
6491 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6492 (pushdecl): Likewise.
6494 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6496 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6498 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6500 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6502 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6504 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6505 empty or has a single entry.
6507 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6508 before calling reg_to_stack.
6510 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6512 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6513 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6515 * c-tree.h (warn_long_long): Declare it.
6517 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6519 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6520 initialized float-int union if the value is a NaN.
6522 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6524 * c-lex.c (real_yylex): Don't warn about long long constants if
6525 we're allowing long long
6527 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6529 * except.h (current_function_eh_stub_label): Declare.
6530 (current_function_eh_old_stub_label): Declare.
6531 * function.h (struct function): New members eh_stub_label and
6533 * except.c (current_function_eh_stub_label): New variable.
6534 (current_function_eh_old_stub_label): New variable.
6535 (init_eh_for_function): Clear them.
6536 (save_eh_status): Save them.
6537 (restore_eh_status): Restore them.
6538 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6539 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6540 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6541 make an edge from the block that contains it to the block starting
6542 with the label if this label is one of the eh stub labels.
6543 If eh stub labels exist, show they are reachable from the last block
6546 * reload1.c (reload): Break out several subroutines and make some
6548 (calculate_needs_all_insns): New function, broken out of reload.
6549 (calculate_needs): Likewise.
6550 (find_reload_regs): Likewise.
6551 (find_group): Likewise.
6552 (find_tworeg_group): Likewise.
6553 (something_needs_reloads): New global variable, formerly in reload.
6554 (something_needs_elimination): Likewise.
6555 (caller_save_spill_class): Likewise.
6556 (caller_save_group_size): Likewise.
6557 (max_needs): Likewise.
6558 (group_size): Likewise.
6559 (max_groups): Likewise.
6560 (max_nongroups): Likewise.
6561 (group_mode): Likewise.
6562 (max_needs_insn): Likewise.
6563 (max_groups_insn): Likewise.
6564 (max_nongroups_insn): Likewise.
6565 (failure): Likewise.
6567 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6569 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6571 * loop.c (load_mems): Copy rtx for output mem.
6573 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6575 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6576 mips1 or mips2 either.
6578 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6580 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6582 (pa_adjust_insn_length): Update to work with new marking scheme
6583 for jumps inside switch tables.
6584 * pa.md (switch_jump): Remove pattern.
6585 (jump): Handle jumps inside jump tables.
6587 * Makefile.in (profile.o): Depend on insn-config.h
6589 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6591 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6593 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6595 Add preliminary native sparcv9 Solaris support.
6596 * configure.in: Recognize sparv9-*-solaris2*
6597 * configure: rebuilt
6598 * config.sub: Recognize sparcv9 just like sparc64.
6599 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6600 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6601 32-bit and 64-bit Solaris systems.
6602 * config/sparc/t-sol2: Assemble those with cpp.
6603 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6604 (*TF*_LIBCALL): If ARCH64 use V9 names.
6605 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6607 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6609 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6610 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6612 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6614 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6615 to Pmode if CASE_VECTOR_MODE is something else.
6617 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6619 * prefix.c (update_path): Correctly handle cases where PATH is
6620 a substring of the builtin prefix, but specifies a different
6623 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6625 * expr.c: Corrected comment about what MOVE_RATIO does.
6626 * config/alpha/alpha.h: Ditto.
6627 * config/1750a/1750a.h: Ditto.
6628 * config/clipper/clipper.h: Ditto.
6629 * config/i386/i386.h: Ditto.
6631 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6633 * configure.in (m68k-next-nextstep3*): Use collect2.
6634 Similarly for x86 NeXT configurations.
6635 * configure: Rebuilt.
6637 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6639 * configure.in: Don't assume srcdir is .../gcc
6640 * configure: Rebuilt.
6642 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6644 * global.c: Update comments.
6645 (global_alloc): Assign allocation-numbers
6646 even for registers allocated by local_alloc in case
6647 they are later spilled and retry_global_alloc is called.
6648 (mark_reg_store, mark_reg_clobber,
6649 mark_reg_conflicts, mark_reg_death): Always record a
6650 conflict with a pseudo register even if it has been
6651 assigned to a hard register.
6652 (dump_conflicts): Don't list pseudo registers already assigned to
6653 a hard register as needing to be allocated, but do list their
6655 * local-alloc.c: Update comment.
6657 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6659 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6660 * configure: Rebuilt.
6662 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6664 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6666 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6667 for all targets that set -msoft-float.
6669 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6671 * toplev.c (print_switch_values): Make static to match prototype.
6673 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6675 * configure.in: If we are unable to find the "gnatbind" program,
6676 then do not configure the ada subdir.
6677 * configure: Rebuilt.
6679 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6681 * version.c: Bump for snapshot.
6683 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6685 * version.c: Bump for snapshot.
6687 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6689 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6690 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6692 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6694 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6696 * genextract.c: Have insn-extract.c include toplev.h.
6698 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6700 * toplev.c: Include expr.h.
6701 (really_sorry, fancy_abort): Remove prototypes.
6702 (set_target_switch): Add argument in prototype.
6703 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6704 (v_really_sorry): Likewise.
6705 (print_version, print_single_switch, print_switch_values): Make
6706 static and add prototype arguments.
6707 (decl_printable_name): Add prototype arguments.
6708 (lang_expand_expr_t): New typedef.
6709 (lang_expand_expr): Declare as a lang_expand_expr_t.
6710 (incomplete_decl_finalize_hook): Add prototype argument.
6711 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6712 (botch): Likewise for variable `s'.
6713 (rest_of_type_compilation): Mark variables `type' and `toplev'
6714 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6715 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6716 (display_help): Make variable `i' an `unsigned long'.
6717 (main): Remove unused parameter `envp'.
6718 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6719 Cast -1 when comparing it with a `size_t'.
6721 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6722 prototype with ATTRIBUTE_NORETURN.
6723 (fatal_insn_not_found, fatal_insn, really_sorry,
6724 push_float_handler, pop_float_handler): Add prototypes.
6725 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6726 (do_abort, botch): Add prototypes.
6728 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6730 * final.c (final): If a label is reached only from a single jump,
6731 call NOTICE_UPDATE_CC on the jump and its predecessor before
6732 emitting the insn after the label.
6734 * i386.h: Add AMD K6 support.
6735 Change TARGET_* macros to use table lookup.
6736 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6737 (ADJUST_COST): Change definition to call function in i386.c.
6738 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6739 * i386.c: Add AMD K6 support.
6740 Add constants for feature tests used by TARGET_* macros.
6741 (split_di): If before reload, call gen_lowpart and gen_highpart.
6742 (x86_adjust_cost): New function.
6743 (put_jump_code): New function.
6744 (print_operand): New codes 'D' and 'd'.
6745 * i386.md: New insn types. New insn attribute "memory".
6746 Redefine scheduling parameters to use new types and add AMD K6
6747 support. Explicitly set type of most insns.
6748 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6749 Pro and K6 prefer movl $1,reg to incl reg.
6750 (adddi3, subdi3): Set cc_status.
6751 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6752 to int; x86 can't have more than 2^31 DImode shifts per file.
6753 (setcc): Combine all setcc patterns. Allow writing memory.
6754 Combine all jump patterns using match_operator.
6755 (*bzero): Name pattern. Emit mutliple stos instructions when that
6756 is faster than rep stos.
6757 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6760 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6762 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6765 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6767 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6768 not whatever we're generating now.
6770 * alpha.c (set_frame_related_p, FRP): New.
6771 (alpha_expand_prologue): Mark frame related insns.
6772 (alpha_expand_epilogue): Likewise, but with a null FRP.
6773 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6774 * alpha.md (exception_receiver): New.
6775 * alpha/crtbegin.asm (.eh_frame): New beginning.
6776 (__do_frame_setup, __do_frame_takedown): New.
6777 * alpha/crtend.asm (.eh_frame): New ending.
6778 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6779 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6780 (ASM_FILE_START): Don't emit .file for dwarf2.
6782 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6783 * rtl.c (reg_note_name): Likewise.
6784 * rtl.texi (REG_NOTES): Likewise.
6785 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6788 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6790 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6791 * i386.md (movsf, movdf, movxf): Validate memory address returned
6792 from force_const_mem. Kill useless REG_EQUAL setting code.
6794 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6796 * m68k.md (zero_extendsidi2): Fix typo.
6798 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6800 * configure.in: Removed references to the removed file
6801 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6802 * arm*-*-netbsd* and ns32k-*-netbsd*.
6803 * config/i386/xm-netbsd.h: Removed unnecessary file.
6804 * config/m68k/xm-netbsd.h: Likewise.
6805 * config/sparc/xm-netbsd.h: Likewise.
6806 * config/mips/xm-netbsd.h: Likewise.
6808 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6810 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6811 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6813 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6814 for exact section attributions.
6816 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6818 * i386/crtdll.h (CPP_PREDEFINES): Define.
6820 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6822 * m68k.md (5200 movqi): Do not allow byte sized memory references
6824 * m68k.c (output_move_qimode): Do not use byte sized operations on
6827 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6828 explicit rules for building. Similarly for alloca, vfprintf,
6829 choose-temp and mkstemp, getopt, getopt1, and obstack.
6830 (INCLUDES): Add $(srcdir)/../include.
6831 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6832 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6834 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6836 * gcc.c (do_spec_1): [case 'o'] Account for
6837 lang_specific_extra_outfiles.
6838 (main): Correctly clear all slots in outfiles for
6839 lang_specific_extra_outfiles. Set input_file_number before
6840 calling lang_specific_pre_link.
6842 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6844 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6846 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6848 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6850 (sparc_output_deferred_case_vectors): If no work to do, return.
6851 Fix thinko in Sept 1 change.
6853 1998-09-03 SL Baur <steve@altair.xemacs.org>
6855 * Makefile.in: add semicolon in BISON definition for portability.
6857 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6859 * config/nextstep.c (handle_pragma): Correct name of third
6862 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6864 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6865 * config/m32r/m32r.h: Make register 17 be fixed.
6866 * config/m32r/m32r.c: Use SImode for cc operations.
6868 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6870 * invoke.texi (Warning Options): Add -Wnon-template-friend
6873 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6875 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6877 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6879 * rs6000.md (movsf): Disable explicit secondary-reload-like
6880 functionality if TARGET_POWERPC64.
6881 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6884 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6886 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6887 and term.h from fixinc.wrap.
6889 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6891 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6892 safe to include both string.h and strings.h together.
6893 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6894 which headers to search for function declarations. Continue to
6895 prefer string.h over strings.h when both are not acceptable.
6897 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6899 * configure.in: Call GCC_HEADER_STRING.
6901 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6902 to include. Continue to prefer string.h over strings.h when both
6905 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6907 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6908 not assume top 32-bits of symbolic addresses are zero if
6911 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6913 * ginclude/va-alpha.h: Protect entire second portion of the
6914 file against double inclusion.
6916 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6918 Added support for the Boehm's garbage collector.
6919 * configure.in: Handle --enable-objc-gc.
6920 * configure: Rebuilt.
6921 * Makefile.in (CHECK_TARGETS): Add check-objc.
6922 (check-objc): New rule.
6923 * objc/Make-lang.in: Build a different Objective-C library that
6924 runs with the Boehm's collector.
6925 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6926 * objc/encoding.c: Correctly compute the size of compound types in
6927 the presence of bitfields. Skip the variable name of the type if
6928 any. Added support for long long.
6929 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6930 (_F_GCINVISIBLE): New mask.
6931 * objc/gc.c: New file. Compute the type memory mask associated with
6932 a class based on the runtime information.
6933 * objc/misc.c: Added the hooks that use the Boehm's collector
6934 allocation functions.
6935 * objc/objc-act.c (build_class_template): Generate a new class
6936 member (gc_object_type) to hold the class' type memory mask.
6937 (build_shared_structure_initializer): Initialize the new member to
6939 (encode_complete_bitfield): New function. Generate the new
6941 (encode_field_decl): Generate the new encoding only for the GNU
6943 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6945 (class_get_gc_object_type): New function to mark a pointer instance
6946 variable as a weak pointer.
6947 * objc/objc-features.texi: New file.
6948 * objc/objc.h (gc_object_type): New class member.
6949 * objc/objects.c (class_create_instance): Create a typed memory
6950 object when compiled with Boehm's collector support.
6951 * objc/sendmsg.c (__objc_init_install_dtable): Call
6952 __objc_send_initialize instead of setting the initialize flag.
6953 (__objc_send_initialize): Call __objc_generate_gc_type_description
6954 to generate the class type memory mask. Rewrite the code that
6955 sends the +initialize so that it is called only once (bug report
6956 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6957 * testsuite/objc: New testsuite for Objective-C type encoding.
6958 * testsuite/lib/objc-torture.exp: New file.
6959 * testsuite/lib/objc.exp: New file.
6961 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6963 * jump.c (jump_optimize): In if/then/else transformations, add
6964 another call to modified_between_p for the jump insn.
6966 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6968 * fix-header.c (symlink): Treat like readlink.
6970 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6972 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6975 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6977 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6978 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6979 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6981 * config/nextstep.c (handle_pragma): Take three arguments, as per
6982 the new HANDLE_PRAGMA macro specification.
6983 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6984 per the new HANDLE_PRAGMA macro specification.
6985 * config/i960/i960.c (process_pragma): Take three arguments, as
6986 per the new HANDLE_PRAGMA macro specification.
6988 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6990 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6991 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6992 if unknown pragmas are encountered.
6993 (handle_sysv_pragma): Interpret return code from
6994 handle_pragma_token (). Return success/failure indication rather
6995 than next unprocessed character.
6996 (pragma_getc): New function: retrieves characters from the
6997 input stream. Defined when HANDLE_PRAGMA is enabled.
6998 (pragma_ungetc): New function: replaces characters back into the
6999 input stream. Defined when HANDLE_PRAGMA is enabled.
7001 * c-pragma.c (handle_pragma_token): Return success/failure status
7004 * c-pragma.h: Change prototype of handle_pragma_token().
7006 * varasm.c: (handle_pragma_weak): Only create this function if
7007 HANDLE_PRAGMA_WEAK is defined.
7009 * c-common,c (decl_attributes): If defined call the expression
7010 contained within the INSERT_ATTRIBUTES macro before adding
7011 attributes to a decl.
7013 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7014 HANDLE_PRAGMA, which takes three arguments.
7015 (INSERT_ATTRIBUTES): Document this new macro.
7017 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7018 new INSERT_ATTRIBUTES macro.
7020 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7022 * config/sparc/sparc.md (movdf): Only generate special RTL for
7023 LABEL_REFs when PIC.
7024 (move_label_di): Remove
7025 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7026 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7027 references when PIC.
7028 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7029 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7030 output an .xword for all 64-bit cases.
7032 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7034 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7035 alignment, use FUNCTION_BOUNDARY instead.
7036 (sparc_output_deferred_case_vectors): Likewise.
7038 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7040 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7041 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7043 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7045 * alpha/va_list.h: New file.
7046 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7048 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7050 * NEWS: Add SCO Openserver and Unixware 7 notes.
7054 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7056 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7057 (record_constant_1): Handle RANGE_EXPR.
7059 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7061 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7062 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7063 and NOTE_INSN_RANGE_END specially.
7064 (reemit_notes): Likewise.
7066 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7068 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7069 (ultrasparc_sched_init): Remove unneeded &.
7071 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7073 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7074 for m68020-60, to prevent the use of fintrz.
7076 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7078 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7080 * Makefile.in: Likewise.
7081 * configure: Regenerated.
7083 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7085 * configure.in (gxx_include_dir): Changed to
7086 '${prefix}/include/g++'-${libstdcxx_interface}.
7087 * configure: Rebuilt.
7089 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7091 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7093 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7094 *sequences* *below* which scalar moves will be used.
7096 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7098 * collect2.c (mktemp): Delete unused declaration.
7100 * config/xm-netbsd.h: Remove unnecessary file.
7101 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7102 file anymore, it is not needed.
7104 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7106 * convert.c (convert_to_integer): Issue an error on conversions to
7109 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7111 * Makefile.in: Add lang_tree_files and gencheck.h.
7112 * configure.in: Generate them.
7113 * gencheck.c: Include gencheck.h.
7115 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7117 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7118 movdi_lo_sum_pic and movdi_high_pic and make visible.
7119 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7120 emit these when Pmode is not SImode.
7121 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7123 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7125 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7126 .linkonce directive after the first time.
7128 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7130 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7131 the clobbered operand overlaps with an input.
7132 (bne0_di): Similarly.
7134 * Makefile.in (INSTALL): Remove "--no-header" argument.
7136 * NEWS: Various updates.
7138 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7140 * config/sparc/sparc.c (arith_operand, const64_operand,
7141 const64_high_operand, arith_double_4096_operand): Mark mode as
7143 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7145 (sparc_emit_set_const64): Remove unused variable i.
7146 (sparc_splitdi_legitimate): Likewise for addr_part.
7147 (ultra_code_from_mask): Likewise for mask.
7148 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7149 reverse return values so it matches usage and comments.
7150 (ultra_flush_pipeline): Likewise.
7151 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7152 this_type, and allow loads and stores of differing FP modes as
7153 they do not create a conflict.
7154 (ultra_find_type): Initialize fpmode to SFmode, fix
7155 parenthesization thinkos in large conditional.
7156 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7157 Init free_slot_mask after ultra_cur_hist is reset, not before.
7158 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7159 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7160 use ultra_flush_pipeline instead, then re-init group pointer.
7161 Fix statement with no effect. If no progress made in, and no
7162 instructions scheduled at all, advance to new pipeline cycle else
7163 we get into an endless loop.
7164 (ultrasparc_adjust_cost): Remove previous arg.
7165 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7167 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7169 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7170 code. Use reg_overlap_mentioned_p to detect when source and
7171 destination overlap.
7172 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7174 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7176 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7177 COMPARISON_VAL, into invariant_p.
7179 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7181 * regmove.c (regclass_compatible_p): New function.
7182 (regmove_optimize): Use it.
7184 Use NREGS parameter insted of calling max_reg_num.
7186 (fixup_match_1): Don't use code = MINUS when later tieing with
7187 a hard register is likely.
7189 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7191 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7192 COMPARISON_VAL was normalized.
7194 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7196 * loop.c (check_dbra_loop): The loop ending comparison value
7197 must be an invariant or we can not reverse the loop.
7199 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7200 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7202 (load_mems_and_recount_loop_regs_set): Likewise.
7204 * i386.c (print_operand): Remove obsolete 'c' docs.
7206 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7208 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7209 * frame.c (init_object_mutex): New function.
7210 (init_object_mutex_once): Likewise.
7211 (find_fde): Call it.
7212 (__register_frame_info): Likewise.
7213 (__register_frame_info_table): Likewise.
7214 (__deregister_frame_info): Likewise.
7216 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7218 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7220 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7222 * loop.c (check_dbra_loop): Enable code for reversal
7223 of some loops without a known constant loop end.
7225 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7227 * haifa-sched.c (last_clock_var): New.
7228 (schedule_block): Initialize it.
7229 (schedule_insn): Use it to fill insn modes with issue information.
7231 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7232 Tag trapb and next insn with TImode.
7233 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7234 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7235 Invoke alphaev5_align_insns as appropriate.
7236 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7237 (MD_SCHED_VARIABLE_ISSUE): New.
7238 * alpha.md (attr type): Add multi.
7239 (define_asm_attributes): New.
7240 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7241 (arg_home): Likewise.
7242 (fnop, unop, realign): New.
7244 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7246 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7247 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7249 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7250 (rs6000-ibm-aix4.[12]*): Likewise.
7251 * configure: Regnerate.
7253 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7255 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7256 already contains the return address.
7258 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7260 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7261 word sized hunks when loading unaligned args into registers.
7263 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7264 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7266 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7268 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7270 * loop.c (check_dbra_loop): Add some code that would allow reversal
7271 of some loops without a known constant loop end if it were enabled.
7273 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7275 * mips.md (lshrsi3_internal2+2): Fix type-o.
7277 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7279 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7280 correctly with regards to stdio.h.
7282 * calls.c: Remove stdarg.h/varargs.h.
7285 * combine.c: Likewise.
7286 * cpperror.c: Likewise.
7287 * cpplib.c: Likewise.
7288 * cpplib.h: Likewise.
7289 * doprint.c: Likewise.
7290 * emit-rtl.c: Likewise.
7291 * final.c: Likewise.
7292 * fix-header.c: Likewise.
7294 * genattr.c: Likewise.
7295 * genattrtab.c: Likewise.
7296 * gencodes.c: Likewise.
7297 * genconfig.c: Likewise.
7298 * genemit.c: Likewise.
7299 * genextract.c: Likewise.
7300 * genflags.c: Likewise.
7301 * genopinit.c: Likewise.
7302 * genoutput.c: Likewise.
7303 * genpeep.c: Likewise.
7304 * genrecog.c: Likewise.
7305 * mips-tfile.c: Likewise.
7306 * prefix.c: Likewise.
7307 * protoize.c: Likewise.
7308 * regmove.c: Likewise.
7309 * toplev.c: Likewise.
7312 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7314 * config/sparc/sparc.c (sparc_override_options): If not
7315 TARGET_FPU, turn off TARGET_VIS.
7316 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7317 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7318 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7319 (movdi_insn_sp64): Add VIS fzero alternative.
7320 (clear_sf, clear_df): New VIS patterns.
7321 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7323 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7325 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7327 * loop.c (n_times_set, n_times_used, may_not_optimize,
7328 reg_single_usage): Convert to varrays. All uses changed.
7329 (insert_loop_mem): Return a value.
7330 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7331 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7334 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7337 * configure.in: Do not set thread_file to "irix" since no such
7340 * sparc.md (float abs/neg splits): Check reload_completed before
7341 calling alter_subreg.
7343 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7345 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7347 * config/sparc/sparc.h: Declare it.
7348 * config/sparc/sparc.md (float abs/neg splits): Use it.
7349 (all other splits): Handle SUBREGs properly where necessary.
7350 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7352 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7354 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7355 an insn on the unfilled_slots_list that has no delay slots.
7356 (fill_eager_delay_slots): Similarly.
7358 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7360 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7361 as an ordinary operand.
7363 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7365 * tree.c (valid_machine_attribute): Don't apply attributes to both
7368 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7370 * reload.c (operands_match_p): Handle rtvecs.
7372 * i386.c (legitimate_pic_address_disp_p): New.
7373 (legitimate_address_p): Use it.
7374 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7375 Handle constant pool symbols just like statics.
7376 (emit_pic_move): Use Pmode not SImode for clarity.
7377 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7378 [UNSPEC]: New, handling what we killed above.
7379 [PLUS]: Detect and abort on invalid symbol arithmetic.
7380 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7382 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7384 * alias.c: Include output.h.
7385 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7386 different if we're in a varargs function.
7387 * Makefile.in (alias.o): Depend on output.h
7389 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7391 * sh.h (GIV_SORT_CRITERION): Delete.
7393 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7395 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7396 * stupid.c (stupid_life_analysis): Ditto.
7397 * reload1.c (reload): Ditto.
7399 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7401 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7402 arith_double_4096_operand, arith_double_add_operand): New
7404 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7405 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7406 them to transform add/sub 4096 into add/sub -4096.
7408 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7410 * loop.c (scan_loop): Allocate some slop to handle pseudos
7411 generated by move_movables.
7412 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7415 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7417 * tree.def (DECL_RESULT): Correct documentation.
7419 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7421 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7422 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7423 conflicts will all RELOAD_FOR_OUTPUT reloads.
7425 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7426 loads the function result, substitute with a USE.
7428 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7430 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7431 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7432 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7433 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7434 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7435 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7437 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7438 'o' to 'm' for GPR variant constraints.
7440 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7442 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7444 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7446 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7447 when the source and destination overlap.
7449 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7450 clash with global type.
7452 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7454 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7456 * c-common.c (combine_strings): Also set TREE_READONLY.
7457 Change warn_write_strings to flag_const_strings.
7458 * c-decl.c, c-tree.h: Likewise.
7460 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7462 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7463 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7464 sequence, use SET/IOR instead so CSE can see it.
7465 * config/sparc/sparc.md (movhi_const64_special,
7466 movsi_const64_special): New patterns necessitated by that change.
7467 (movhi_high): Remove.
7468 (movhi_lo_sum): Change to match an IOR.
7469 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7470 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7471 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7472 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7473 registers are involved.
7474 (snesi_zero_extend split): Remove reload_completed test.
7475 (unnamed plus and minus zero_extend sidi splits): Add it.
7477 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7479 * extend.texi: Remove description of extension to explicit
7480 instantiation that is now endorsed by standard C++.
7482 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7484 * config/arc/arc.c (arc_initialize_pic): Remove.
7485 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7486 nothing on any platform and is invoked by no-one, it does not even
7487 appear in the documentation.
7488 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7489 * config/sparc/sparc.c (initialize_pic): Likewise.
7490 (find_addr_reg): Remove this as well, no longer referenced after
7493 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7495 * recog.c (validate_replace_rtx_group): New function.
7496 * recog.h (validate_replace_rtx_group): Declare it.
7497 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7498 the entire group of substitutions.
7500 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7502 * loop.c (load_mems): Fix initializers.
7504 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7506 * config/sparc/sparc.md (TFmode splits): Handle destination
7507 registers being referenced in the address correctly.
7509 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7510 TREE_UNSIGNED, when bitsize of type's mode is larger than
7511 HOST_BITS_PER_WIDE_INT.
7513 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7515 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7516 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7517 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7519 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7522 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7524 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7525 * h8300.h (TINY_DATA_NAME_P): Likewise.
7526 (STRIP_NAME_ENCODING): Handle '&'.
7528 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7529 register (it could be accessed via an outer SUBREG).
7530 (REG_OK_FOR_BASE_P): Likewwise.
7531 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7533 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7536 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7538 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7540 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7541 must be offsettable so the splits can be made.
7543 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7545 * config/i386/winnt.c: Include system.h, not stdio.h to get
7546 sys/param.h pulled in before rtl.h in case the system defines MIN
7549 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7551 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7553 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7555 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7557 * cpplib.c (cpp_define): Handle macros with parameters.
7559 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7561 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7562 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7563 and DImode 64-bit. Use llong for minimal-toc SFmode and
7564 SYMBOL_REF / LABEL_REF 64-bit.
7565 (output_function_profiler): Use llong for profiler label and ld to
7566 load 64-bit label address.
7568 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7570 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7573 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7575 * version.c: Bump for snapshot.
7577 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7579 * version.c: Bump for snapshot.
7581 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7583 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7585 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7587 * tm.texi (Misc): Fix typo "teh".
7589 * tm.texi (PIC): Fix typo "PPIC".
7591 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7592 effect when -O2 and higher.
7593 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7595 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7597 * regclass.c: Changed register set documentation to be consistent
7600 * final.c (final_start_function) Removed redundant test for
7603 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7605 * rtl.h (rtx_function): New type.
7606 (for_each_rtx): New function.
7607 * rtlanal.c (for_each_rtx): Define it.
7609 * recog.c (change_t): New type.
7610 (change_objects, change_old_codes, change_locs, change_olds):
7612 (changes): New variable.
7613 (validate_change): Dynamically allocate room for more changes, if
7614 necessary. Uses changes array instead of change_objects, etc.
7615 (apply_change_group): Use changes array instead of
7616 change_objects, etc.
7618 * loop.c (loop_mem_info): New type.
7619 (loop_mems): New variable.
7620 (loop_mems_idx): Likewise.
7621 (looop_mems_allocated): Likewise.
7622 (scan_loop): Remove nregs parameter.
7623 (next_insn_in_loop): New function.
7624 (load_mems_and_recount_loop_regs_set): Likewise.
7625 (load_mems): Likewise.
7626 (insert_loop_mem): Likewise.
7627 (replace_loop_mem): Likewise.
7628 (replace_label): Likewise.
7629 (INSN_IN_RANGE_P): New macro.
7630 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7631 (scan_loop): Remove nregs parameter, compute it after any new
7632 registers are created by load_mems. Use INSN_IN_RANGE_P and
7633 next_insn_in_loop rather than expanding them inline. Call
7634 load_mems to load memory into pseudos, if appropriate.
7635 (prescan_loop): Figure out whether or not there are jumps from the
7636 loop to targets other than the label immediately following the
7637 loop. Call insert_loop_mem to notice all the MEMs used in the
7638 loop, if it could be safe to pull MEMs into REGs for the duration
7640 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7642 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7644 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7646 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7648 * config/sparc/sparc.c (finalize_pic): Check for the correct
7649 nonlocal_goto_receiver UNSPEC number.
7650 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7651 making note of this dependency existing in sparc.c
7652 (negtf2_notv9 split): Give NEG SFmode.
7653 (negsf2): Fix insn output string.
7655 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7657 * c-common.c (decl_attributes): Issue an error if the argument
7658 to alias is not a string.
7660 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7662 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7663 pending memory flush list.
7665 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7667 (try_combine): Allow combining insns with REG_LIBCALL notes.
7669 * expr.c (emit_block_move): Do not call memcpy as a libcall
7670 instead build up a CALL_EXPR and call it like any other
7672 (clear_storage): Similarly for memset.
7674 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7677 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7680 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7681 and REG_LIVE_LENGTH as successful substitutions are made.
7683 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7685 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7686 statement after end of loop label.
7688 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7690 * config/sparc/sparc.c (ultra_types_avail): New variable.
7691 (ultra_build_types_avail): New function to record mask of insn
7692 types in ready list at this cycle.
7693 (ultrasparc_sched_reorder): Call it.
7694 (ultra_find_type): Use it to quicken the search. Also simplif
7695 dependency check, don't use rtx_equal_p because we know exactly
7696 what we are looking for.
7698 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7700 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7701 for architecture v4.
7703 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7705 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7707 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7708 movdf_const_intreg and helper splits): New patterns to move float
7709 constants into integer registers.
7710 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7713 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7716 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7718 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7720 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7721 a BASE_REGS register is needed as an intermediate when copying
7722 a symbolic value into any register class other than BASE_REGS.
7724 * expr.c (move_by_pieces): No longer static. Remove prototype.
7725 * rtl.h (move_by_pieces): Add extern prototype.
7726 * mips.c (expand_block_move): Handle aligned straight line copy by
7727 calling move_by_pieces.
7729 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7732 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7734 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7735 jumps out of the loop to be treated as part of the exit test.
7737 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7738 Jeff Law <law@cygnus.com>
7740 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7741 * cplus-dem.c: Delete.
7743 * Makefile.in (fold-const.o): depend on $(RTL_H).
7745 * fold-const.c: Include rtl.h to get the prototype for
7746 `set_identifier_local_value'.
7748 * loop.c (express_from_1): Remove unused variable `tmp'.
7749 (combine_givs): cast the first argument of bzero to char *.
7751 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7753 * c-decl.c (init_decl_processing): Remove unneeded &.
7755 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7757 * except.c (set_exception_lang_code, set_exception_version_code):
7758 Change parameter from `short' to `int' to avoid using a gcc
7761 * except.h (set_exception_lang_code, set_exception_version_code):
7762 Likewise for prototypes.
7764 * flow.c (count_reg_references): Remove unused variables `regno'
7767 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7769 * prefix.c (translate_name): Cast the result of `alloca'.
7771 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7773 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7775 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7777 (valid_dbcc_comparison_p): Mark mode argument as unused.
7778 (symbolic_operand): Likewise.
7779 (legitimize_pic_address): Likewise.
7780 (const_uint32_operand): Likewise.
7781 (const_sint32_operand): Likewise.
7782 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7783 schedule_insns and comment out rest of file.
7785 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7787 (output_move_[hq]imode): Likewise.
7789 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7791 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7792 * invoke.texi: Corresponding changes.
7794 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7796 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7798 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7800 * config/sparc/sparc.c (ultra_code_from_mask,
7801 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7802 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7803 ultrasparc_sched_init, ultrasparc_variable_issue,
7804 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7805 functions to describe UltraSPARC pipeline exactly to Haifa.
7806 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7807 as there is nothing the scheduler can do about it. Indicate that
7808 REG_DEP_OUTPUT's collide. Fixup formatting.
7809 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7810 divide costs on Ultra for DImode.
7811 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7813 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7814 ieuN and add call_no_delay_slot to type list.
7815 (cti function unit): New unit for branches on UltraSPARC.
7816 (subx/addx insns): Set type to misc.
7817 (sidi zero/sign extension insns on arch64): Set type to shift.
7818 (sign_extendhidi2_insn): Set type to sload.
7820 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7822 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7823 (output_epilog): Use if != 0 for offset.
7824 (rs6000_fatal_bad_address): Prepare for Intl.
7825 * rs6000.h (rs6000_fatal_bad_address): Declare.
7826 * rs6000.md (movsfcc, movdfcc): Use else if.
7827 (elf_high): Use {liu|lis}.
7828 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7829 (movsi): Use rs6000_fatal_bad_address.
7831 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7833 * reload.c (find_equiv_reg): Reject equivalences separated
7834 by a volatile instruction.
7836 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7838 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7840 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7842 * alpha.md (movsicc): Fix mode mismatch.
7844 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7846 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7848 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7850 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7852 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7853 write-only modifier from operand 1 constraint.
7855 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7857 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7858 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7860 (sparc_emit_set_const64): Likewise, also when computing trailing
7861 bits do not negate low_bits and make fast_int an int.
7863 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7865 * loop.c (add_label_notes): Do not ignore references to labels
7866 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7867 * gcse.c (add_label_notes): Similarly.
7869 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7871 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7872 (adddi_dishl32): Similarly.
7874 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7876 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7877 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7878 * cse.c (cse_basic_block): Add parens to shut up warnings.
7880 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7882 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7883 sparc_emit_set_const64_longway, const64_is_2insns,
7884 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7885 in 64-bit constant formation.
7886 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7887 rtl for addx not subx.
7888 (define_insn movdi_const64_special): Make available even when
7889 HOST_BITS_PER_WIDE_INT is not 64.
7890 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7891 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7892 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7893 instances of operand 1 inside a QI subreg.
7894 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7895 (one_cmpldi2_sp64): Fix output string.
7896 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7898 (unnamed arch64 ashift DI): Truncate shift count if greater than
7901 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7903 * expr.c (store_expr): Don't optimize away load-store pair
7904 when either source or destination have a side effect.
7906 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7908 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7909 operands of SET are incompatible.
7911 * alpha.md: Fix max and min patterns so modes of SET operands match.
7913 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7915 * configure.in: Avoid [[ by using test and changequote.
7916 * configure: Rebuild.
7918 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7920 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7922 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7923 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7924 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7925 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7926 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7927 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7928 Fix mismatching modes in SET operands.
7929 (conditional move patterns): Fix formatting.
7930 (unnamed subx arch64 pattern): Remove duplicate insn.
7932 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7934 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7935 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7936 (input_operand): Fixup test for what we accept for constant
7938 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7940 (safe_constDI): Remove.
7941 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7942 gen_safe_XOR64): New functions.
7943 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7944 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7946 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7947 available when HOST_BITS_PER_WIDE_INT is not 64.
7948 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7949 move before movdi_insn_sp64 pattern.
7950 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7951 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7952 symbolic_operand as predicate for second operand.
7953 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7954 expander): Give set VOIDmode.
7956 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7958 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7960 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7962 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7964 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7966 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7968 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7970 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7972 * install.texi: Various SCO OpenServer tweaks.
7974 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7976 * reload1.c (eliminate_regs_in_insn): Handle another case when
7977 eliminating the frame pointer to the hard frame pointer. Add
7978 missing ep->to_rtx check to one existing case.
7980 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7982 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7984 * tree.h: De-conditionalize init_priority code.
7986 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7987 * collect2.c (NM_FLAGS): Change from -p to -n.
7989 * configure.in: Turn on collect2 for mipstx39-elf.
7990 Handle use_collect2=no properly.
7992 * c-common.c: De-conditionalize init_priority code.
7993 * collect2.c (extract_init_priority, sort_ids): New fns.
7994 (main): Call sort_ids.
7995 Move sequence_number to file scope.
7997 * configure.in: Handle --enable-init-priority.
7998 * c-common.c (attrs): Add A_INIT_PRIORITY.
7999 (init_attributes, decl_attributes): Likewise.
8000 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8001 * tree.c (get_file_function_name_long): Split out...
8002 (get_file_function_name): ...from here.
8004 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8006 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8009 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8011 * toplev.c (display_help): Add braces to shut up warnings.
8012 * tree.c (simple_cst_equal): Likewise.
8014 * fold-const.c (non_lvalue): Don't deal with null pointer
8016 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8018 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8019 of any size to a pointer.
8021 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8023 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8025 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8027 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8028 which will be saved.
8029 * mn10300.md (prologue insn): Only save registers which need saving.
8030 (epilogue insn): Similarly.
8032 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8035 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8037 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8038 VAR_DECL's in gp addressable sections.
8040 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8042 * sparc.c: Change return <exp> to <exp>; return; in functions
8044 * sparc.md: Add empty semicolon statement after final label in
8047 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8049 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8050 addx_extend_sp64, only allow when TARGET_ARCH64.
8051 (define_insn addx_extend_sp32 and split): Version that works when
8053 (define_insn subx_extend): Likewise.
8054 (define_split adddi3 and subdi3 with zero extension): Fixup and
8055 correct bugs when not TARGET_ARCH64.
8057 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8059 * except.c (set_exception_lang_code, set_exception_version_code):
8060 Use prototype-style definition if __STDC__, to match declaration
8063 * genemit.c: Change FAIL and DONE macros not to use loops.
8065 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8067 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8068 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8070 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8072 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8074 * README.g77: Update from Craig.
8076 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8078 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8080 (safe_constDI sparc_emit_set_const64_quick1,
8081 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8082 analyze_64bit_constant, const64_is_2insns,
8083 create_simple_focus_bits): Fix some bugs when compiled on real
8085 (function_arg_record_value_3, function_arg_record_value_2,
8086 function_arg_record_value): Add fully prototyped forward decls.
8087 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8088 to cmpsi_insn and use on both 64 and 32 bit targets.
8089 (define_insn cmpsi_insn_sp64): Remove.
8090 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8091 (define_insn zero_extendsidi2_insn): Rename to
8092 zero_extendsidi2_insn_sp64.
8093 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8094 assosciated forced split for it.
8096 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8098 * config/sparc/sparc.h: Declare them.
8099 (PREDICATE_CODES): Add them.
8100 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8101 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8103 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8105 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8106 in v9 case as the latter makes the Solaris assembler crash.
8108 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8110 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8111 for TFmode when !v9. We require offsettable memory addresses.
8112 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8113 DFmode register number conversions.
8114 * config/sparc/sparc.md (define_split DFmode moves): If register
8115 is a SUBREG do alter_subreg on it before using.
8116 (define_expand movtf): Fixup comment about alignment on v9.
8117 (define_split TFmode moves): Don't use gen_{high,low}part, create
8118 explicit SUBREGs instead.
8120 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8122 * Makefile.in (mbchar.o): Depend on mbchar.c.
8124 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8125 Richard Henderson <rth@cygnus.com>
8127 Rewrite Sparc backend for better code generation and
8128 improved sparc64 support.
8129 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8131 * config/sparc/sysv4.h: Likewise.
8132 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8133 move_operand, v8plus_regcmp_op, emit_move_sequence,
8134 singlemove_string, doublemove_string, mem_aligned_8,
8135 output_move_double, output_move_quad, output_fp_move_double,
8136 move_quad_direction, output_fp_move_quad, output_scc_insn):
8138 (small_int_or_double): New predicate.
8139 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8140 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8141 old pic_{sethi,lo_sum}_si patterns.
8142 (mem_min_alignment): New generic function to replace
8143 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8144 available and can test for arbitrary alignments. All callers
8146 (save_regs, restore_regs, build_big_number,
8147 output_function_prologue, output_cbranch, output_return,
8148 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8149 sparc_flat_output_function_epilogue): Prettify
8151 (output_function_epilogue): Likewise and add code to output
8152 deferred case vectors.
8153 (output_v9branch): Likewise, add new arg INSN and use it to tack
8154 on branch prediction settings. All callers changed.
8155 (print_operand): Likewise and output %l44 for LO_SUMs when
8157 (sparc_splitdi_legitimate): New function to make sure DImode
8158 splits can be run properly when !arch64.
8159 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8160 Reformat example code in comments.
8161 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8162 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8163 of deferred case vectors we need to output.
8164 (sparc_defer_case_vector): Record a case vector.
8165 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8166 sparc_output_deferred_case_vectors): New functions to output them.
8167 (sparc_emit_set_const32): New function to form 32-bit constants in
8168 registers when that requires more than one instruction.
8169 (safe_constDI, sparc_emit_set_const64_quick1,
8170 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8171 analyze_64bit_constant, const64_is_2insns,
8172 create_simple_focus_bits, sparc_emit_set_const64): New functions
8173 which do the same for 64-bit constants when arch64.
8174 (sparc_emit_set_symbolic_const64): New function to emit address
8175 loading for all code models on v9.
8176 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8177 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8178 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8179 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8180 inaccuracies in comments, add symbolic and text_segment operands
8181 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8182 GENERAL_REGS in these cases as a temp REG is needed to load these
8183 addresses into a register properly.
8184 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8186 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8187 quads are guarenteed to have 16-byte alignment.
8188 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8189 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8190 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8191 deferred case vector implementation.
8192 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8193 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8194 Generate "internal label - label" instead of "label - 1b".
8195 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8196 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8197 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8199 (doublemove_string, output_block_move, output_fp_move_double,
8200 output_fp_move_quad, output_move_double, output_move_quad,
8201 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8202 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8203 (sparc_emit_set_const32, sparc_emit_set_const64,
8204 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8205 mem_min_alignment, small_int_or_double): Add externs.
8206 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8207 UNSPEC_VOLATILE in this backend.
8208 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8209 unary to types which execute in it.
8210 (define_function_unit ieu_shift): Rename to ieu0.
8211 (define_function_unit ieu1): New, executes compare, call, and
8212 uncond_branch type insns.
8213 (define_function_units for type fdivs, fdivd, fsqrt): These
8214 execute in the fpu multiply unit not the adder on UltraSparc.
8215 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8216 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8217 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8218 allows the arith_double_operand predicate and rHI constraint when
8220 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8221 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8222 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8223 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8224 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8225 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8226 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8227 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8228 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8229 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8230 sign_extendqihi2_insn, sign_extendqisi2_insn,
8231 sign_extendqidi2_insn, sign_extendhidi2_insn,
8232 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8233 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8234 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8235 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8236 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8237 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8238 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8239 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8240 smulsi3_highpart_v8plus, unnamed subreg mult,
8241 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8242 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8243 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8244 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8245 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8246 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8247 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8248 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8249 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8250 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8251 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8252 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8253 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8254 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8255 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8256 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8257 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8258 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8259 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8260 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8261 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8262 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8263 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8264 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8265 call_address_untyped_struct_value_sp32,
8266 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8267 call_value_symbolic_sp32, call_value_address_sp64,
8268 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8269 flush_register_windows, goto_handler_and_restore,
8270 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8271 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8272 return_addsi, return_di, return_adddi, return_sf, all call+jump
8273 peepholes, trap, unnamed trap insns): Prettify output strings.
8274 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8275 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8276 Likewise and force + implement splits for integer cases.
8277 (define_insn return_sf_no_fpu): Likewise and allow to match when
8278 no-fpu because of our subreg SFmode splits.
8279 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8280 zero_extendqidi2_insn, zero_extendhidi2_insn,
8281 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8282 input_operand for second operand.
8283 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8284 reg_or_0_operand for operand 2 so new splits can use it.
8285 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8286 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8288 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8289 CONST_DOUBLEs for operand 2.
8290 (define_insn move_label_di): Likewise and label distance
8291 optimization because it no longer works with new deferred case
8292 vector scheme. To be revisited.
8293 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8294 and allow reg_or_0_operand and J constraint for second operand.
8295 (define_insn jump): Set branch predict taken on V9.
8296 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8297 new deferred case vector scheme.
8298 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8299 (define_insn negdi2_sp32): Force + implement splits.
8300 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8301 one_cmplsi2_not_liveg0 respectively, and create expander of original
8302 names which emit special rtl for TARGET_LIVE_G0.
8303 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8304 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8305 gen_compare_reg, FAIL instead.
8306 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8307 values when trying to reverse condition codes, if they FAIL then
8309 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8310 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8311 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8312 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8313 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8314 set output string to # to indicate they are mandatory splits.
8315 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8316 pic_sethi_di, move_pic_label_si): Remove.
8317 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8318 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8320 (define_expand movsi_pic_label_ref, define_insn
8321 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8322 expander and insns to handle PIC label references and deferred
8324 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8326 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8327 Rewrite to not use emit_move_sequence, make use of new constant
8328 formation code, and new splits for all multi-insn cases.
8329 (define_insn movqi_insn): Remove sethi case, it can never happen.
8330 Use reg_or_zero_operand instead of const0_rtx explicit test,
8331 use input_operand instead of move_operand for source, and use
8332 general_operand now for dest.
8333 (define_insn movhi_insn): Similar but leave sethi case.
8334 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8335 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8336 movhi_lo_sum respectively, prettify output string.
8337 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8338 register when needed on TARGET_LIVE_G0.
8339 (define_insn movsi_insn): Use general_operand and input_operand
8340 for dest and src respectively. Simplify applicability test.
8341 Prettify output strings, and add clr alternative for J
8343 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8344 deprecated std and reg-reg DI moves): Remove and...
8345 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8346 implementation which uses forced splits for all non-single insn
8348 (define_split DI move cases on !arch64): New splits to handle all
8349 situations of 64-bit double register DImode on 32bit, and
8350 unaligned registers and memory addresses for all subtargets.
8351 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8353 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8354 input_operand for dest and src respectively, prettify output
8356 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8357 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8359 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8360 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8361 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8362 movtf_no_e_insn_sp64) Replace with new
8363 implementation which uses forced splits for all non-single insn
8365 (define_split DF move cases): New splits in similar vein to DI
8367 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8368 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8369 movdi_sp64_insn): Remove old v9 code model and constant loading
8371 (define_insn pic_lo_sum_di, pic_sethi_di,
8372 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8373 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8374 embmedany_sethi, embmedany_losum, embmedany_brsum,
8375 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8376 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8377 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8378 scheme, using unspecs, secondary reloads, and one to one sparc
8379 insn to rtl insn mapping for better scheduling and code gen.
8380 (define_expand reload_indi, reload_outdi): Reload helpers for
8381 MEDANY and EMBMEDANY symbol address loading cases which require a
8383 (define_expand movsicc): Remove v8plus_regcmp cases.
8384 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8385 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8386 cmp_diqi_trunc_set): New patterns used by some of the new scc
8388 (define_insn xordi3_sp64_dbl): New pattern used for constant
8389 formation when crossing from 32-bit targets.
8390 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8392 (define_insn addx, subx): Make visible and prettify.
8393 (define_insn adddi3_insn_sp32): Likewise and force split.
8394 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8395 64bit scc split usage.
8396 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8397 zero_extend, subdi3): Force and implement splits.
8399 * final.c (final_scan_insn): Don't output labels if target
8400 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8403 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8404 don't forget to walk inside SEQUENCESs too as these are what the
8405 delay slot scheduler will create.
8407 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8409 * alpha.md (extxl+1,+2): New patterns to work around
8412 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8414 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8415 caused bad assembly code to be generated.
8417 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8419 * netbsd.h: Fix typo.
8421 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8423 * config.sub: Fix typo.
8425 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8427 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8429 (Running Protoize): Typo: Change "ther" into "other".
8431 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8433 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8434 * m68k/netbsd.h: Likewise.
8435 * ns32k/netbsd.h: Likewise.
8436 * sparc/netbsd.h: Likewise.
8438 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8440 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8441 * ginclude/va-clipper.h (va_list): Likewise.
8443 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8445 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8446 load/store multiple instructions unless user overrides.
8448 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8450 * ns32k/netbsd.h: Fix typo.
8452 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8454 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8455 labels with .debugsym if no parallel insns.
8457 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8459 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8460 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8462 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8464 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8465 (AR_FOR_TARGET): Define.
8467 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8469 * dyn-string.h: New file.
8470 * dyn-string.c: Likewise.
8471 * Makefile.in (OBJS): Add dyn-string.o.
8472 (dwarf2out.o): Add dyn-string.h dependency.
8473 (dyn-string.o): List dependencies.
8474 * dwarf2out.c: Include dyn-string.h.
8475 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8476 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8477 prototype. Use dyn_string_append rather than strcat, throughout.
8478 (addr_to_string): Use dyn_string_t.
8480 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8482 Function entry/exit profiling instrumentation:
8483 * expr.h (profile_function_entry_libfunc,
8484 profile_function_exit_libfunc): Declare new variables.
8485 * optabs.c: Define them here.
8486 (init_optabs): Initialize them.
8487 * tree.h (struct tree_decl): New flag
8488 no_instrument_function_entry_exit.
8489 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8490 * c-decl.c (duplicate_decls): Merge it.
8491 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8492 (init_attributes): Use it for "no_instrument_function".
8493 (decl_attributes): Handle it, for functions that have not yet been
8494 compiled. Set decl flag.
8495 * flags.h (flag_instrument_function_entry_exit): Declare new
8497 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8498 (f_options): New option "instrument-functions".
8499 * function.h (struct function): New field instrument_entry_exit.
8500 * function.c (current_function_instrument_entry_exit): New
8502 (push_function_context_to, pop_function_context_from): Save and
8504 (expand_function_start): Set current_ variable, maybe emit return
8505 label and entry profile call.
8506 (expand_function_end): Maybe emit exit profile call.
8508 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8510 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8511 NON_QI_REG_P, pretend the register is SImode.
8513 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8515 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8516 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8517 manufacturer id for ns32k.
8518 * configure: Regenerated.
8519 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8520 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8521 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8522 * config/m68k/netbsd.h: Same.
8523 * config/ns32k/netbsd.h: Same.
8524 * config/sparc/netbsd.h: Same.
8526 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8528 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8529 or UNROLL_COMPLETELY loop that starts with a jump to its
8532 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8534 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8535 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8536 (print_operand, case 'B'): Don't fall through.
8537 (print_operand, case 'S'): Correct mask begin/end computation.
8538 Use HOST_BITS_PER_WIDE_INT.
8539 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8540 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8541 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8542 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8544 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8546 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8547 constraint from second alternative.
8549 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8551 * configure.in: Fix --without/--disable cases for local-prefix,
8552 gxx-include-dir and checking.
8554 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8556 * configure.in (enable_haifa): Set by default for sparc64 too.
8559 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8561 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8562 * i386/winnt.c (associated_type): New fn.
8563 (i386_pe_valid_type_attribute_p): New fn.
8564 (i386_pe_check_vtable_importexport): Remove.
8565 (i386_pe_dllexport_p): Use associated_type.
8566 (i386_pe_dllimport_p): Likewise.
8568 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8569 * i386.c (i386_valid_type_attribute_p): Also accept
8570 attributes for METHOD_TYPEs.
8572 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8574 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8576 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8578 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8580 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8581 them from generating a new base name for each occurence of
8584 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8586 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8588 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8592 * cplus-dem.c (type_kind_t): New type.
8593 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8594 on this paramter, rather than demangling the type again.
8595 (demangle_integral_value): Pass tk_integral.
8596 (demangle_template_: Pass the value returned from do_type.
8597 (do_type): Return a type_kind_t. Pass tk_integral to
8598 demangle_template_value_parm for array bounds.
8599 (demangle_fund_type): Likewise.
8601 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8603 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8606 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8608 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8610 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8612 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8614 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8617 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8619 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8620 (DEBUGGER_ARG_OFFSET): Likewise.
8622 * mn10300.md (movsf): Remove last change. Not needed.
8624 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8626 * c-lex.c (yylex): Fix boundary conditions in character literal and
8627 string literal loops.
8629 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8631 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8632 being invoked incorrectly.
8634 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8635 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8637 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8638 * configure.in: Added i[34567]86-*-win32
8639 * config.sub: Ditto.
8640 * configure: Rebuilt.
8642 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8644 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8645 the frame pointer and compiling PIC code and reload has not completed.
8647 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8650 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8652 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8654 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8656 * Makefile.in (install-info): Only try to update the info
8657 directory file if it exists in the first place.
8659 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8661 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8663 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8665 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8666 CONST_DOUBLE source.
8668 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8670 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8671 strings as the insertion of USER_LABEL_PREFIX.
8672 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8674 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8677 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8679 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8680 already defined type.
8682 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8684 * expr.c (check_max_integer_computation_mode): Allow conversions
8685 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8686 (expand_expr): Likewise.
8688 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8690 * expr.c (expand_expr): Expand RETURN_EXPR.
8692 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8694 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8696 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8698 * dwarf2out.c (output_aranges): Call stripattributes
8699 for TEXT_SECTION references.
8700 (output_line_info): Likewise.
8702 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8704 * profile.c (branch_prob): Call allocate_reg_info after outputting
8705 profile rtl in instrument_arcs.
8707 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8709 * fixinc.irix (math.h): Install wrapper instead of copying.
8711 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8713 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8714 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8715 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8716 lang_flag_0. Added documentation in the flag table.
8718 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8720 * cccp.c (do_include): Fix vax c style include handling.
8722 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8724 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8726 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8728 * fold-const.c (non_lvalue): Don't deal with null pointer
8730 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8732 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8734 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8735 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8736 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8737 (u_short_cint_operand): Same.
8738 (reg_or_cint_operand): Same.
8739 (logical_operand): Same.
8740 (input_operand): Same.
8741 (reg_or_short_operand): Use u_short_cint_operand.
8743 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8745 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8746 but keep the insns and splits. Adjust so when the ultimate destination
8747 is memory, use cvtql.
8749 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8751 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8753 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8755 * gcc.c (do_spec): Call "error" not "warning".
8757 * configure.in: Fix minor problems with gas feature detection code.
8758 * configure: Rebuilt.
8760 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8763 * gcc.c: Delete %[spec] support.
8764 (do_spec_1, case '('): Likewise.
8765 (do_spec_1, case '['): Call error.
8767 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8769 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8770 (CPP_SUBTARGET_SPEC): Default to empty string.
8771 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8772 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8773 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8774 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8776 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8777 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8778 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8779 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8780 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8781 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8782 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8783 * alpha/vxworks.h: Likewise.
8785 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8787 * mips.md (reload_outsi): Added missing REGNO call.
8788 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8790 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8791 another match_operator and compare the codes.
8793 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8795 * MIPS multiply pattern fixes:
8796 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8797 Add union classes for HI, LO, or HILO plus general registers.
8798 (GENERATE_MADD): Deleted.
8799 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8800 Add TARGET_MAD to condition.
8801 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8802 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8803 "*d" for accumulator, to give preference to LO initially but not
8806 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8808 * configure.in (enable_c_mbchar): New configure option.
8809 (extra_cpp_objs): Always available now.
8811 * cexp.y (mbchar.h): #include it.
8812 (yylex): Handle Multibyte characters in character literals.
8814 * cccp.c (mbchar.h): #include it.
8815 (main): Set character set based on LANG environment variable.
8816 (rescan): Handle multibyte characters in comments.
8817 (skip_if_group): See above.
8818 (validate_else): See above.
8819 (skip_to_end_of_comment): See above.
8820 (macarg1): See above.
8821 (discard_comments): See above.
8822 (rescan): Handle multibyte characters in string and character literals.
8823 (collect_expansion): See above.
8824 (skip_quoted_string): See above.
8825 (macroexpand): See above.
8826 (macarg1): See above.
8827 (discard_comments): See above.
8828 (change_newlines): See above.
8830 * c-lex.c (mbchar.h): #include it.
8831 (GET_ENVIRONMENT): New macro.
8832 (init_lex): Set character set based on LANG environment variable.
8833 (yylex): Handle multibyte characters in character literals.
8834 (yylex): Handle multibyte characters in string literals.
8836 * Makefile.in (mbchar.o): New target.
8837 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8838 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8840 * mbchar.[ch]: New files for multibyte character handling.
8842 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8844 * jump.c (jump_optimize): When simplifying noop moves and
8845 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8846 the PUSHes to rewrite in second loop as we did in the first.
8848 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8850 * cplus-dem.c (demangle_nested_args): Make function definition
8851 static to match the prototype.
8853 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8855 * alloca.c: Respect USE_C_ALLOCA.
8856 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8857 * gengenrtl.c (xmalloc): Likewise.
8859 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8861 * loop.h (struct induction): Add no_const_addval.
8862 * loop.c (the_movables, reg_address_cost): New variables.
8863 (init_loop): Init reg_address_cost.
8864 (loop_optimize): Call end_alias_analysis.
8865 (scan_loop): Init the_movables.
8866 (record_giv): Init induction->no_const_addval.
8867 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8868 [REG]: Rearrange loop search test to catch more cases.
8869 (general_induction_var): Return success not benefit; take an extra
8870 argument for that. Change all callers.
8871 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8872 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8873 [default]: Search the_movables for additional combinations.
8874 (sge_plus_constant, sge_plus): New functions.
8875 (express_from_1): New function.
8876 (express_from): Always define. Rewrite using express_from_1.
8877 (combine_givs_p): Handle more cases. Ignore address cost.
8878 (cmp_combine_givs_stats): New function.
8879 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8880 (combine_givs): Rewrite to do best-fit combination.
8882 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8883 (fold): Do a complete (A*C)+(B*C) association check.
8885 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8887 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8889 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8891 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8893 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8895 * tree.c (valid_machine_attribute): Only create a new type variant if
8896 there is a decl to use it.
8898 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8900 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8903 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8905 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8908 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8910 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8911 Simplify tests for clearing an address register.
8912 (expand_prologue): Corresponding changes.
8914 * mn10300.md (movXX patterns): Make sure the destination is an
8915 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8916 (logical patterns): Split into expanders + patterns
8917 (zero and sign extension patterns): Similarly.
8918 (shift patterns): Similarly.
8920 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8922 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8923 for the sequence, recording base values.
8925 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8927 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8929 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8931 * gcc.c: Remove ANSI-C ism from --help code.
8933 * toplev.c: Support --help with USE_CPPLIB.
8935 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8937 * configure.in: Rework gas feature code to work with symlink based
8940 * extend.texi: Clarify some issues related to local variables
8941 assigned to explicit registers.
8943 * mn10300.md (mulsi): Turn into expander + pattern.
8945 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8948 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8950 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8952 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8954 * version.c: Bump again to distinguish mainline tree from the
8957 See ChangeLog.0 for earlier changes.
8960 add-log-time-format: current-time-string