1 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
3 * version.c: Bump for snapshot.
5 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
7 * rtl.c (rtx_alloc): Use memset instead of inline loop.
9 * recog.h (recog_op_alt): Declare extern.
11 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
13 * function.c (purge_addressof_1): If the note accesses a mem+addressof
14 in a wider mode than any replacement, adjust the cached replacement.
15 Cache trivial substitutions as well.
17 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
19 * Makefile.in (OBJECTS): Add sbitmap.o.
20 (BASIC_BLOCK_H): Add sbitmap.h.
21 * basic-block.h: Move simple bitmap code to sbitmap.h.
22 * flow.c: Move simple bitmap code to sbitmap.c
23 * sbitmap.h, sbitmap.c: New files.
25 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
27 * alpha.h (TARGET_SWITCHES): Document switches.
28 (TARGET_OPTIONS): Likewise.
30 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
32 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
34 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
36 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
38 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
39 (basic_block_end): Rename to x_basic_block_end.
40 (BLOCK_HEAD, BLOCK_END): Update.
42 * caller-save.c: Change basic_block_head/end references to
44 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
45 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
46 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
48 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
50 * gcc.c (xstrerror): Renamed from my_strerror. All callers
51 changed. Remove prototype since we get that from libiberty.h.
53 * protoize.c (xstrerror): Likewise.
55 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
57 * gcc.c (read_specs): Ensure format specifiers match their arguments.
59 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
61 * tree.c (copy_node): Oops. That would be copy not zero
64 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
66 * config/c4x/c4x.c: Include system.h.
67 (c4x_caller_save_map): Disable caller save for RC.
68 (c4x_optimization_options): Disable scheduling before reload.
69 (valid_parallel_load_store) : Define return type as int.
70 Remove unused variable regs.
71 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
73 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
75 (*db, decrement_and_branch_until_zero): Fix up constraints
78 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
80 * tree.c (make_node): Call bzero instead of inline clear.
81 (copy_node, make_tree_vec, build1): Likewise.
82 (get_identifier): Call strlen instead of inline count.
83 (maybe_get_identifier): Likewise.
85 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
87 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
88 operations in 3rd annulled delay slot.
89 (*lshrqi3_const_set): Disallow c constraint for operand0.
90 (modhi3+1, modhi3+2): Set attribute type to multi.
91 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
94 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
96 * gansidecl.h: Allow attribute unused on labels only when we are
97 version 2.93 or higher. Not all versions of 2.92 have this feature.
99 * version.c: Bump minor number to 93.
101 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
103 * config/m68k/m68k.h: Declare output_function_epilogue.
104 * recog.h: Declare next_insn_tests_no_inequality.
106 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
108 * stmt.c (optimize_tail_recursion): New function, extracted from ...
109 (expand_return): Use optimize_tail_recursion.
110 * tree.h (optimize_tail_recursion): Declare.
112 * toplev.c (compile_file): Move call to output_func_start_profiler
113 to after the loop to emit deferred functions.
115 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
117 * system.h (abort): Supply more detailed information on how to
118 report an Internal Compiler Error.
120 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
122 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
123 allocate memory that will live beyond this function.
124 (expand_call): Free it here.
126 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
128 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
129 integer data not destined for fp regs.
130 (LEGITIMIZE_RELOAD_ADDRESS): New.
132 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
133 Richard Henderson <rth@cygnus.com>
135 Support for Hypersparc and Sparclite86x:
136 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
137 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
138 (ASM_CPU32_DEFAULT_SPEC): Likewise.
139 (TARGET_CPU_DEFAULT): Likewise.
140 (enum processor_type): Likewise.
141 (CPP_ENDIAN_SPEC): Handle little endian data.
142 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
143 (ADJUST_COST): Call sparc_adjust_cost.
144 * sparc.c (sparc_override_options): Fix up for the new targets.
145 (supersparc_adjust_cost): Make static.
146 (hypersparc_adjust_cost): New.
147 (ultrasparc_adjust_cost): Make static.
148 (sparc_adjust_cost): New.
149 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
150 (function_unit): Add hypersparc scheduling rules.
152 * configure.in (with_cpu handler): Recognize hypersparc.
154 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
156 * config/c4x/c4x.c: Added space after negation operator.
157 * config/c4x/c4x.h: Likewise.
158 * config/c4x/c4x.md: Likewise.
160 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
162 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
164 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
166 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
167 when a test can't be performed due to limited width of
168 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
169 Fix UDIV case for cases where the first operand has the highest bit
172 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
174 * pa.h (reg_class): Add FPUPPER_REGS.
175 (REG_CLASS_NAMES): Similarly.
176 (REG_CLASS_CONTENTS): Similarly
177 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
178 (FP_REG_CLASS_P): Likewise.
179 (REG_CLASS_FROM_LETTER): Similarly.
180 (CLASS_MAX_NREGS): Similarly.
182 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
184 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
185 for a typedef of bool. Make sure to have a copy of the file is
186 in place before we look to fix it. Fix typo in variable name to
189 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
191 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
192 value_mode for the return mode.
194 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
196 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
197 debugging as default.
199 * config/tm-dwarf2.h: New file.
201 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
203 * h8300.h (ASM_OUTPUT_LABELREF): Define.
205 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
206 * local-alloc.c (update_equiv_regs): Corresponding changes.
207 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
209 * calls.c (special_function_p): Push alloca test inside the large
210 conditional which excludes functions not at file scope or not
213 * calls.c (special_function_p): New function broken out of
215 (precompute_register_parameters): Likewise.
216 (store_one_arg): Likewise.
217 (store_unaligned_argumetns_into_pseudos): Likewise.
218 (save_fixed_argument_area): Likewise.
219 (restore_fixed_argument_area): Likewise.
220 (expand_call): Corresponding changes.
222 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
224 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
226 (const_sint32_operand): Likewise.
228 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
230 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
231 is a macro when deciding if we can use `jmp_buf' in prototypes.
233 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
235 * config/c4x/c4x.md (addqi3): If the destination operand is
236 a hard register other than an extended precision register,
237 emit addqi3_noclobber.
238 (*addqi3_noclobber_reload): New pattern added so that reload
239 will recognise a store of a pseudo, equivalent to the sum
240 of the frame pointer and a constant, as an add insn.
242 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
244 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
245 * configure: Rebuilt.
246 * i386/xm-go32.h: Define LIBSTDCXX.
248 * i386/go32.h (MD_EXEC_PREFIX): Define.
249 (FILE_NAME_ABSOLUTE_P): Define.
250 (LINK_COMMAND_SPEC): Define.
252 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
254 * expr.c (store_expr): If the lhs is a memory location pointed
255 to be a postincremented (or postdecremented) pointer, always
256 force the rhs to be evaluated into a pseudo.
258 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
260 * real.c (mtherr): Print more reasonable warning messages.
262 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
264 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
266 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
267 (new_include_prefix): Constify char* parameters.
269 * cppfiles.c (read_name_map): Likewise.
270 (append_include_chain): Likewise. Also, use a writable char* copy
271 of parameter `dir' which we then modify, rather than using the
272 parameter itself to store the new writable string.
273 (remap_filename): Constify some variables. Also, use a writable
274 char* to store an allocated string which we will be modifying.
276 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
277 (cpp_start_read): Constify variable `str'.
279 * cpplib.h (append_include_chain): Constify a char* parameter.
281 * gcc.c Include prefix.h, don't prototype prefix.c functions.
282 (add_prefix, save_string): Constify char* parameters.
283 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
285 * prefix.c: Include prefix.h.
286 (get_key_value, translate_name, save_string, update_path,
287 set_std_prefix): Constify various char* parameters and variables.
288 (save_string): Use xmalloc, not malloc.
289 (translate_name): Use a writable temporary variable to create and
290 modify a string before setting it to a const char*.
292 * prefix.h: New file to prototype functions exported from prefix.c.
294 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
296 * cpplib.c (skip_if_group): Split out the logic that handles
297 directive recognition to its own function. Don't use
298 parse markers; use a bare pointer into the buffer. Use
299 copy/skip_rest_of_line instead of doing it by hand. Remove
300 `return on any directive' mode which was never used, and take
302 (consider_directive_while_skipping): New function, subroutine
303 of skip_if_group. Logic streamlined a bit.
304 (conditional_skip, do_elif, do_else): Call skip_if_group with
307 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
309 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
312 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
314 * extend.texi (Bound member functions): Document.
316 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
318 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
319 lang_to_string, type_to_string): Make return type const char*.
320 (print_symbol): Apply `const' keyword to a char*.
321 (print_file_desc): Cast structure member `crfd' to ulong when
322 comparing against one.
324 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
325 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
326 (progname, input_name): Apply `const' keyword to a char*.
327 Don't redundantly include sys/stat.h.
328 (alloc_info): Apply `const' keyword to a char*.
329 (st_to_string, sc_to_string): Likewise.
330 (hash_string): Cast variable `hash_string' to a symint_t when
331 comparing against one.
332 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
333 Likewise cast it to long when comparing against one.
334 (add_local_symbol): Apply `const' keyword to a char*.
335 (add_ext_symbol): Likewise.
336 (add_unknown_tag): Likewise.
337 (add_procedure): Cast a printf-style field width to an int.
338 (add_file): Cast PAGE_USIZE to long when comparing against one
339 (parse_begin): Cast a printf-style field width to an int.
340 (parse_bend): Likewise.
341 (parse_def): Likewise.
342 (parse_end): Likewise.
343 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
344 (parse_stabs_common): Fix format specifier.
345 (parse_input): Change type of variable `i' to Size_t.
346 (write_object): Fix arguments to match format specifiers.
347 Cast variable `num_write' to long when comparing against one.
348 (read_seek): Cast variable `sys_read' to symint_t when comparing
349 against one. Fix arguments to match format specifiers. Cast
350 variable `size' to long when comparing against one.
351 (copy_object): Cast result of `sizeof' to int when comparing
352 against one. Fix arguments to match format specifiers. Cast
353 variable `ifd' to long when comparing against a signed value.
356 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
358 * c-common.c (decl_attributes): Allow applying attribute `unused'
361 * c-parse.in (label): Parse attributes after a label, and call
362 `decl_attributes' to handle them.
364 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
366 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
367 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
369 * invoke.texi: Note that labels can be marked `unused'.
371 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
373 * version.c: Bump for snapshot.
375 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
377 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
378 RTL for a compare/jump sequence.
380 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
382 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
383 for a target with HAVE_cc0 defined.
384 (emit_cmp_and_jump_insns): New function.
385 * expr.h (emit_cmp_and_jump_insns): Prototype it.
386 * loop.c (check_dbra_loop): Use it to replace calls
387 to emit_cmp_insn and emit_jump_insn and to canonicalise
388 the comparison if necessary.
389 * unroll.c (unroll_loop): Likewise.
391 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
393 * fixincludes (sys/utsname.h): Provide forward declaration of
394 struct utsname on Ultrix V4.[35].
396 * mips.md (div_trap): Use local labels instead of dot-relative
399 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
401 * pa.md (branch, negated branch): Handle (const_int 0) as first
403 * pa.c (output_cbranch): Likewise.
405 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
407 * rs6000.c (rs6000_stack_info): Undo spurious part of last
410 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
412 * extend.texi (__builtin_constant_p): Add missing @smallexample.
414 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
416 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
418 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
420 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
421 (adddi_dishl32): Similarly.
423 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
424 for each insn in the skipped block.
426 * reload1.c (reload_as_needed): Verify that the insn satisfies its
427 constraints after replacing a register address with an autoincrement
428 address for reload inheritance purposes.
430 * i386.md (doubleword shifts): Avoid namespace pollution.
432 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
434 * configure.in (FreeBSD ELF): Needs special crt files.
436 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
438 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
440 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
442 * loop.c (check_dbra_loop): While reversing the loop, if the
443 comparison value has a VOID mode use the mode of the other operand
446 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
448 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
449 avoid warnings in compiling explow.c.
451 (patch from Ken Raeburn, raeburn@cygnus.com)
452 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
453 fpmem_offset. Compute total size after that, and then
454 rs6000_fpmem_offset using both values.
456 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
458 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
459 the future; indeed that already happens in some cases.
461 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
463 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
464 (arith_operand): Remove constant_p_rtx handling.
465 (const64_operand, const64_high_operand): Likewise.
466 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
467 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
468 (small_int_or_double, uns_small_int, zero_operand): Likewise.
469 * sparc.h (PREDICATE_CODES): Likewise.
471 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
473 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
475 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
476 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
477 consider constant CONSTRUCTOR constant and to defer some cases
479 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
480 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
482 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
484 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
485 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
487 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
488 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
489 (sext_add_operand, and_operand, or_operand): Likewise.
490 (reg_or_cint_operand, some_operand, input_operand): Likewise.
491 * alpha.h (PREDICATE_CODES): Likewise.
493 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
495 * version.c: Bump for snapshot.
497 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
499 * gengenrtl.c (gencode): Always use bzero to clear memory instead
500 of dangerous casts and stores.
502 * Makefile.in (compare, gnucompare): Add missing else true clauses.
504 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
506 * alpha.md (builtin_longjmp): Add missing "DONE".
508 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
510 * gcc.c (execute): Enable -pipe with win32.
512 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
514 * config/arm/t-arm-elf: Add multiplib option for leading
517 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
518 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
520 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
521 than variable 'reload_address_base_reg_class'. [Note this
522 change is unrelated to the others in this patch].
524 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
527 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
529 * alias.c (record_alias_subset): Remove ignored `&'.
530 (init_alias_once): Likewise.
532 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
534 * config/mips/mips.c (mips_asm_file_end): Cast the result of
535 fwrite to `int' when comparing against one.
537 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
538 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
540 * cse.c (rehash_using_reg): Change type of variable `i' to
543 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
546 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
548 * final.c (final_scan_insn): Likewise for variable `i'.
549 (output_asm_insn): Cast a char to unsigned char when used as an
552 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
555 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
557 * recog.c (preprocess_constraints): Cast a char to unsigned char
558 when used as an array index.
560 * regmove.c (find_matches): Likewise.
562 * reload1.c (calculate_needs): Add default case in switch.
563 (eliminate_regs_in_insn): Initialize variable `offset'.
564 (set_offsets_for_label): Change type of variable `i' to unsigned.
565 (reload_as_needed): Wrap variable `i' in macro check on
566 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
568 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
569 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
570 when comparing against one.
572 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
573 unsigned when comparing against one. Likewise for
574 GET_MODE_ALIGNMENT().
575 (layout_record): Cast record_align to int when comparing against a
577 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
580 * tree.c (get_identifier): Cast variable `len' to unsigned when
581 comparing against one.
582 (maybe_get_identifier): Likewise
584 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
586 * toplev.c (rest_of_compilation): Do not set reload_completed.
587 * reload1.c (reload): Set reload_completed before calling
588 cleanup_subreg_operands.
590 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
592 * reload1.c (emit_reload_insns): Check `set' not null before use.
594 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
596 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
599 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
601 * halfpic.c (half_pic_encode): Delete redundant code.
603 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
605 * toplev.c (main): Delete handling of -dM as a preprocessor
608 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
610 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
611 -dI, which are handled by the preprocessor.
613 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
615 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
616 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
618 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
620 * version.c: Bump for snapshot.
622 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
624 * version.c: Bump for snapshot.
626 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
628 * version.c: Bump for snapshot.
630 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
632 * genattr.c (fatal): Qualify a char* with the `const' keyword.
634 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
635 write_unit_name, write_eligible_delay, expand_units,
636 make_length_attrs, write_attr_case, find_attr,
637 make_internal_attr): Likewise.
638 * gencheck.c (tree_codes): Likewise.
639 * gencodes.c (fatal): Likewise.
640 * genconfig.c (fatal): Likewise.
641 * genemit.c (fatal): Likewise.
642 * genextract.c (fatal, walk_rtx, copystr): Likewise.
643 * genflags.c (fatal): Likewise.
644 * genopinit.c (fatal, optabs, gen_insn): Likewise.
645 * genoutput.c (fatal, error, predicates): Likewise.
646 * genpeep.c (fatal): Likewise.
647 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
648 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
650 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
652 * configure.in (with-fast-fixincludes): Fix whitespace.
653 * configure: Rebuilt.
655 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
656 asm() etc. function declarations in __DECC.
658 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
660 * expr.c (emit_move_insn_1): Only emit a clobber if the target
661 is a pseudo register.
663 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
665 * gcse.c: Include expr.h in order to get the prototype for
666 get_condition() which is used in delete_null_pointer_checks().
668 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
670 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
672 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
674 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
675 (ALL_CFLAGS): Delete SCHED_CFLAGS.
677 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
679 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
682 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
684 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
685 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
686 optimizations from the combiner.
688 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
690 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
692 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
694 * toplev.c (main): Disable optimize_size if a specific
695 optimization level is requested. Always set optimization
696 level to 2 if -Os is specified.
698 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
700 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
702 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
703 initialize it using fname.
705 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
707 * cpplib.c (do_include): Treat #include_next in the
708 primary source file as #include plus warning. Treat
709 #include_next in a file included by absolute path as an
710 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
712 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
714 * cccp.c: Don't define MIN/MAX anymore.
715 * cpplib.c: Likewise.
716 * machmode.h: Likewise.
717 * system.h: Provide definitions for MIN/MAX.
719 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
721 * fix-header.c: Don't define xstrdup here.
723 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
725 * loop.c (consec_sets_giv): New argument last_consec_insn.
726 (strength_reduce): Provide / use it.
728 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
730 * loop.h (loop_info): New field 'vtop'.
731 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
732 scanning loop for vtop.
733 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
734 (loop_iterations): Use them to determine if loop has a constant
735 number of iterations. Set loop_info->vtop. Don't subtract
736 common reg term from initial_value and final_value if have a
739 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
741 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
743 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
745 * mn10200.md (abssf2, negsf2): New expanders.
747 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
749 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
751 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
752 replaced by a CONCAT whoes components do not have the same
753 mode as the original SUBREG, use a new SUBREG to restore the
756 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
757 multiword complex values.
759 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
761 * cppalloc.c: Add xstrdup here.
762 * cpplib.h: Remove savestring prototype.
763 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
765 * cppfiles.c: s/savestring/xstrdup/ throughout.
767 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
769 * cpplib.c: Make all directive handlers read their own
771 (struct directive): Remove last two arguments from FUNC
772 member prototype. Remove `command_reads_line' member
774 (directive_table): Remove initializations of
775 command_reads_line flag. Pretty-print.
776 (eval_if_expression, do_define, do_line, do_include,
777 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
778 do_else, do_elif, do_sccs, do_assert, do_unassert,
779 do_warning): Take only two args.
781 (cpp_define): Call do_define with two args and the text to
782 define stuffed into a buffer.
783 (make_assertion): Call do_assert with two args.
784 (handle_directive): Call do_line with two args. Call
785 kt->func with two args. Remove command_reads_line
787 (do_define, do_undef, do_error, do_warning, do_pragma,
788 do_sccs): Read the rest of the line here.
789 (do_ident): Gobble rest of line, as cccp does.
790 (cpp_undef): New function.
791 (cpp_start_read): Call cpp_undef instead of do_undef.
793 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
795 * cpphash.h (union hash_value): Remove `keydef' member, add a
796 `struct hashnode *aschain' member for #assert.
798 * cpplib.c (struct tokenlist_list, struct
799 assertion_hashnode): Delete structure definitions.
800 (assertion_install, assertion_lookup, delete_assertion,
801 check_assertion, compare_token_lists, reverse_token_list,
802 read_token_list, free_token_list): Delete functions.
803 (parse_assertion): New function.
804 (cpp_cleanup): Don't destroy the assertion_hashtable.
806 (do_assert): Gut and rewrite. #assert foo (bar) places
807 entries for `#foo' and `#foo(bar)' in the macro hash table,
808 type T_ASSERT. The value union's `aschain' member is used
809 to chain all answers for a given predicate together.
810 (do_unassert): Also rewritten. Take an un-asserted
811 answer off the chain from its predicate and call
812 delete_macro on the hashnode, or walk a predicate chain
813 calling delete_macro on all the entries.
814 (cpp_read_check_assertion): Simply call parse_assertion to
815 get the canonical assertion name, and look that up in the
818 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
821 * cpphash.c (install): Use bcopy instead of an explicit loop
822 to copy the macro name.
824 * cppexp.c (cpp_lex): Convert the result of
825 cpp_read_check_assertion to a `struct operation' directly;
826 don't go through parse_number.
828 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
830 * loop.h (struct induction): Delete times_used member.
831 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
832 (n_times_used): Rename to n_times_set. Changed all users.
833 (scan_loop): Free reg_single_usage before strength reduction.
834 (record_giv, combine_givs): Remove handling of times_used member.
835 (combine_givs_used_once): Rename to:
836 (combine_givs_used_by_other) . Changed all callers.
838 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
840 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
841 instead of TREE_CODE_CLASS == 't'.
842 (gen_type_die): Likewise.
843 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
845 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
847 * real.c (endian): Disable last change unless
848 HOST_BITS_PER_WIDE_INT is greater than 32.
850 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
852 * output.h (force_data_section): New prototype.
853 * varasm.c (force_data_section): New function to force the
854 data section, regardless of what in_section thinks.
855 * dwarf2out.c (output_call_frame_info): Call force_data_section
856 since varasm may not realize we've changes sections.
858 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
860 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
861 after completeing reload.
863 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
864 deleted after reload.
866 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
868 * rtl.h (multiple_sets): Fix prototype.
869 * rtlanal.c (multiple_sets): Fix return type.
871 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
873 * version.c: Bump for snapshot.
875 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
877 * version.c: Bump for snapshot.
879 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
881 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
883 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
885 * rtl.h (recompute_reg_usage): Add second argument.
886 * flow.c (recompute_reg_usage): Likewise.
887 * toplev.c (rest_of_compilation): Supply second argument to
890 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
893 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
895 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
896 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
897 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
900 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
902 * rtlanal.c (multiple_sets): New function.
903 * rtl.h (multiple_sets): Declare it.
904 * local-alloc.c (wipe_dead_reg): Use it.
905 * global.c (global_conflicts): Likewise.
907 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
909 * global.c (record_conflicts): Don't use an array of shorts to
910 store an array of ints.
911 (global_conflicts): Likewise.
913 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
915 * alpha.c (alpha_expand_block_move): mode_for_size expects
916 bits, not bytes. Infer extra alignment from addressof.
918 1998-12-11 Michael Meissner <meissner@cygnus.com>
920 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
921 .sbss section, not .sdata.
923 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
925 * cccp.c: Do not #include <sys/stat.h> here; this is already done
927 * collect2.c: Likewise.
928 * cpplib.h: Likewise.
931 * getpwd.c: Likewise.
932 * protoize.c: Likewise.
933 * toplev.c: Likewise.
935 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
936 and don't try to define it here.
937 * Makefile.in (cppmain.o): Depend on machmode.h.
938 (cpplib.o): Likewise.
939 (cpperror.o): Likewise.
940 (cppexp.o): Likewise.
941 (cppfiles.o): Likewise.
942 (cpphash.o): Likewise.
943 (cppalloc.o): Likewise.
944 (fix-header.o): Likewise.
945 (scan-decls.o): Likewise.
947 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
949 * sh.c (print_operand): lookup interrupt_handler attribute instead
950 of relying on static variable.
951 * (calc_live_regs): Likewise.
952 * (sh_pragma_insert_attributes): Create interrupt_handler
953 attribute if a pragma was specified
954 * (sh_valid_machine_decl_attribute): Don't set static flag.
955 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
957 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
959 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
960 to determine if a register is live at a jump destination.
961 Everything is dead at a BARRIER.
963 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
965 * cse.c (simplify_unary_operation): Sign-extend constants when
966 they have the most significant bit set for the target.
967 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
969 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
970 HOST_WIDE_INT temporary before negating it.
971 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
973 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
975 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
978 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
980 * collect2.h: New header file for prototypes.
982 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
984 * collect2.c: Include collect2.h.
987 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
989 * flow.c: Update some comments.
991 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
993 * objc/objc-act.c (cpp_initialized): Removed.
994 (lang_init_options): Initialize cpplib.
995 (lang_decode_option): Move initialization of cpplib to
997 * c-lang.c: (parse_options,parse_in): Added.
998 (lang_init_options): Initialized cpplib here.
999 * c-decl.c (parse_options,cpp_initialized): Removed.
1000 (c_decode_option): Move initialization of cpplib to
1003 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1005 * reload1.c (reload_combine, reload_combine_note_store):
1006 Make STORE_RUID always valid.
1007 (reload_combine): Check if BASE is clobbered too early.
1009 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1011 * reload.c (find_reloads): Display the insn that cannot be
1014 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1016 * cccp.c (create_definition): Fix end of bufer logic.
1018 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1020 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1021 pointer parameters changed to use the PARAMS() macro.
1023 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1025 * except.h (struct handler_info): Add handler_number field.
1026 * except.c (gen_exception_label): EH labels no longer need to be
1027 on the permanent obstack.
1028 (get_new_handler): Set the label number field.
1029 (output_exception_table_entry): Regenerate handler label reference
1030 from the label number field.
1031 (init_eh): Remove a blank line.
1032 * integrate.c (get_label_from_map): Labels no longer need to be
1033 on the permanent obstack.
1035 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1037 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1038 only when OUTER_CODE is SET.
1040 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1042 * loop.c (strength_reduce): If scan_start points to the loop exit
1043 test, be wary of subversive use of gotos inside expression statements.
1044 Don't set maybe_multiple for a backward jump that does not
1045 include the label under consideration into its range.
1046 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1048 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1050 * explow.c (plus_constant_wide): Don't immediately return with
1051 result of recursive call.
1053 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1055 * eh-common.h (struct eh_context): Add table_index for rethrows.
1057 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1058 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1059 processed when inlined or unrolled (ie duplicated in some way).
1061 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1063 * expr.h (rethrow_libfunc): New library decl.
1065 * optabs.c (rethrow_libfunc): Initialize.
1067 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1068 (new_eh_region_entry): No longer exported from except.c.
1069 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1070 different prototype.
1071 (rethrow_symbol_map, rethrow_used): New exported functions.
1072 (eh_region_from_symbol): New exported function.
1074 * except.c (create_rethrow_ref): New function to create a single
1075 SYMBOL_REF for a rethrow region.
1076 (push_eh_entry): Initialize a rethrow ref.
1077 (func_eh_entry): Add a rethrow_label field.
1078 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1079 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1080 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1081 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1082 a region into an appropriate new symbol.
1083 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1084 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1085 (end_catch_handler): Emit a barrier for new-exceptions since
1086 control can never drop through the end of a catch block.
1087 (expand_end_all_catch): new-exceptions never fall through a catch
1089 (expand_rethrow): use __rethrow routine for new exceptions.
1090 (output_exception_table_entry): Generate rethrow labels, if needed.
1091 (output_exception_table): Generate start and end rethrow labels.
1092 (init_eh): Create rethrow symbols for beginning and end of table.
1093 (scan_region): Don't eliminate EH regions which are the targets of
1096 * flow.c (make_edges): Add different edges for rethrow calls,
1097 identified by having the REG_EH_RETHROW reg label.
1098 (delete_unreachable_blocks): Don't delete regions markers which are
1099 the target of a rethrow.
1101 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1102 allow save_for_inline_copying to call duplicate_eh_handlers.
1103 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1104 exposing internal details of exception regions.
1105 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1106 (expand_inline_function_eh_labelmap): New callback routine to
1107 allow expand_inline_function to call duplicate_eh_handlers.
1108 (expand_inline_function): Call duplicate_eh_handlers instead of
1109 exposing internal details of exception regions.
1110 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1113 * libgcc2.c (find_exception_handler): Generalize to enable it to
1114 pick up processing where it left off last time for a rethrow.
1115 (__unwinding_cleanup): New function. debug hook which is called before
1116 unwinding when __throw finds there is nothing but cleanups left.
1117 (throw_helper): Common parts of __throw extracted out for reuse.
1118 (__throw): Common parts moved to throw_helper.
1119 (__rethrow): New function for performing rethrows.
1121 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1123 * reload1.c (current_function_decl): Tweak declaration.
1125 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1127 * c-decl.c (flag_isoc9x): Default off.
1128 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1129 * cccp.c (print_help, main): Likewise.
1130 * gcc.c (default_compilers): Update for -std=gnu*.
1132 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1134 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1135 * demangle.h: Deleted.
1137 * reload1.c (current_function_decl): Declare.
1139 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1141 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1143 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1145 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1147 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1149 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1151 * configure: Rebuilt.
1152 * system.h: If the *_unlocked functions are available use them
1153 instead of the locked counterparts by defining macros.
1154 * config.in: Regenerated.
1156 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1158 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1159 wrong and should only be used for dump related things, not
1160 debugging information, instead main_input_filename should be used.
1161 Also, reuse output_file_directive if possible.
1162 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1163 * i386/isc.h (ASM_FILE_START): Likewise.
1164 * i386/win-nt.h (ASM_FILE_START): Likewise.
1165 * i386/sun386.h (ASM_FILE_START): Likewise.
1167 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1169 * configure.in (mips*-*-linux*): Handle big and little endian
1171 * configure: Rebuilt.
1173 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1175 * emit-rtl.c: Fix typo.
1177 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1179 * reload1.c (eliminate_regs): Don't do anything, if we're not
1182 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1184 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1186 * mips/mips.c (mips_select_section): Add comment.
1188 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1190 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1191 characters in file names in #line to be consistent with #include
1192 handling. We support escape prcessing in the # 1 "..." version of
1193 the command. See also support in cp/lex.c.
1194 (handle_directive): Likewise.
1195 (do_line): Likewise.
1197 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1199 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1200 so it'll work on non-ASCII platforms. Always consider $ an
1201 identifier character. Take no arguments.
1202 (cpp_reader_init): Call initialize_char_syntax with no
1204 (cpp_start_read): Don't call initialize_char_syntax again.
1205 Clear is_idchar['$'] and is_idstart['$'] if not
1206 opts->dollars_in_ident.
1208 * cpplib.h (struct cpp_reader): Replace void *data element by
1209 cpp_options *opts. Rearrange elements to make gdb printout
1210 less annoying (put buffer stack at end).
1211 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1213 * cppmain.c: s/data/opts/ when initializing cpp_reader
1215 * c-decl.c: Likewise.
1216 * objc/objc-act.c: Likewise.
1217 * fix-header.c: Likewise.
1219 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1221 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1222 with a struct file_name_list pointer.
1223 (struct cpp_reader): Add pointer to chain of `actual
1224 directory' include searchpath entries.
1225 (struct file_name_list): Add *alloc pointer for the sake of
1226 the actual-directory chain.
1228 Move definition of HOST_WIDE_INT here.
1229 (cpp_parse_escape): Change prototype to match changes in
1232 * cppfiles.c (actual_directory): New function.
1233 (finclude): Use it to initialize the buffer's actual_dir
1235 (find_include_file): We don't need to fix up max_include_len
1238 * cpplib.c (do_include): Don't allocate a file_name_list on
1239 the fly for current directory "" includes, use the one that's
1240 been preallocated in pfile->buffer->actual_dir. Hoist out
1241 duplicate code from the search_start selection logic.
1242 (cpp_reader_init): Initialize pfile->actual_dirs.
1244 Remove definition of HOST_WIDE_INT. Change calls
1245 to cpp_parse_escape to match changes in cppexp.c (note
1246 hardcoded MASK, which is safe since this is the source
1249 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1250 to handle wide character constants in #if directives. The
1251 function now returns a HOST_WIDE_INT, and takes a third
1252 argument which is a binary mask for all legal values (0x00ff
1253 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1254 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1255 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1257 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1259 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1261 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1263 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1264 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1265 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1267 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1269 * final.c (output_asm_name): Use tabs to seperate comments from
1272 Include instruction lengths (if defined) in output.
1274 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1276 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1277 in the loop_info structure.
1279 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1281 * configure.in: (arm*-*-ecos-elf): New target.
1282 * configure: Regenerated.
1283 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1284 * config/arm/ecos-elf.h: New file.
1285 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1288 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1290 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1292 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1294 * version.c: Bump for snapshot.
1296 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1298 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1301 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1303 * version.c: Bump for snapshot.
1305 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1307 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1308 compressed reports are ok and preferred over URLs
1310 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1312 * invoke.texi (Warning Options): Soften the tone of -pedantic
1314 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1316 * print-rtl.c (print_rtx): Add prototype.
1318 * unroll.c (iteration_info): Make it static.
1320 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1322 * alias.c (memrefs_conflict_p): A second ANDed address
1323 disables the aligned address optimization.
1325 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1327 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1330 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1332 * i960.h (BOOL_TYPE_SIZE): Define.
1334 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1336 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1337 from old valid_parallel_operands_4.
1338 (valid_parallel_operands_4): Check that operands for 4 operand
1339 parallel insns are valid, excluding load/store insns.
1340 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1341 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1342 valid_parallel_load_store instead of valid_parallel_operands_4.
1343 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1344 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1345 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1346 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1347 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1348 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1349 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1351 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1353 * config/c4x/c4x.c (iteration_info): Delete extern.
1355 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1357 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1359 * final.c (cleanup_subreg_operands): Delete some unused code.
1361 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1362 (struct insn_alternative): New structure definition.
1363 (recog_op_alt): Declare variable.
1364 (preprocess_constraints): Declare function.
1365 * recog.c (recog_op_alt): New variable.
1366 (extract_insn): Verify number of alternatives is in range.
1367 (preprocess_constraints): New function.
1368 * reg-stack.c: Include recog.h.
1369 (constrain_asm_operands): Delete.
1370 (get_asm_operand_lengths): Delete.
1371 (get_asm_operand_n_inputs): New function.
1372 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1373 N_OUTPUTS args. All callers changed.
1374 Compute number of inputs and outputs here by calling
1375 get_asm_operand_n_inputs.
1376 Instead of constrain_asm_operands, call extract_insn,
1377 constrain_operands and preprocess_constaints. Use information
1378 computed by these functions throughout.
1379 (record_reg_life): Delete code that is unused due to changes in
1380 record_asm_reg_life.
1381 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1382 N_INPUTS and N_OUTPUTS args. All callers changed.
1383 Similar changes as in record_asm_reg_life.
1384 (subst_stack_regs): Move n_operands declaration into the if statement
1386 Delete code that is unused due to changes in subst_asm_stack_regs.
1387 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1389 * Makefile.in (reg-stack.o): Depend on recog.h.
1391 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1393 * except.c (set_exception_version_code): Argument is an "int".
1395 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1397 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1398 * configure: Rebuilt.
1400 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1402 * configure.in (mipsel-*-linux*): New target.
1403 * mips/linux.h: New file, based on other Linux targets.
1405 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1407 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1408 runs in the context of the deleter, not the deletee, so we must
1409 use taskVarGet to find the correct memory to free.
1410 (__gthread_key_create): Initialize the task
1411 variable subsystem so that the task variable is still active when
1412 the delete hook is run.
1414 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1416 * pdp11.h: Use optimize_size for space optimizations.
1417 * pdp11.c: Likewise.
1418 * pdp11.md: Likewise.
1420 * pdp11.h (TARGET_40_PLUS): Fix typo.
1422 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1424 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1427 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1429 * alias.c (addr_side_effect_eval): New function.
1430 (memrefs_conflict_p): Use it.
1431 * rtl.h (addr_side_effect_eval): Prototype it.
1433 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1435 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1437 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1439 * reload.c (find_reloads): When force const to memory, put result
1440 in substed_operand not *recog_operand_loc.
1442 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1444 * c-lex.c: Fix indentation from last patch.
1445 Remove trailing whitespace.
1448 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1450 * flow.c (delete_block): Call set_last_insn after we have reset
1451 NEXT_INSN (kept_tail).
1453 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1455 * mips.md (trap_if): Use "$0" for the value zero.
1457 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1458 Stephen L Moshier <moshier@world.std.com>
1459 Richard Henderson <rth@cygnus.com>
1461 * c-common.c (declare_function_name): Declare predefinied variable
1464 * c-decl.c (flag_isoc9x): Set to 1 by default.
1465 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1466 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1468 * c-parse.in: Allow constructors in ISO C 9x.
1469 Rewrite designator list handling.
1470 Allow [*] parameters.
1471 Don't warn about comma at end of enum definition for ISO C 9x.
1473 * cccp.c (c9x): New variable.
1474 (rest_extension): New variable.
1475 (print_help): Document new -std= option.
1476 (main): Recognize -std= option. Set c9x appropriately.
1477 (create_definition): Recognize ISO C 9x vararg macros.
1479 * gcc.c (default_compilers): Adjust specs for -std options.
1480 (option_map): Add --std.
1481 (display_help): Document -std.
1483 * toplev.c (documented_lang_options): Add -std and remove
1486 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1487 or REAL_VALUE_HTOF based on base of the constants.
1488 * fold-const.c (real_hex_to_f): New function. Replacement function
1489 for hex FP conversion if REAL_ARITHMETIC is not defined.
1490 * real.c (asctoeg): Add handling of hex FP constants.
1491 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1494 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1496 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1497 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1498 expansion. Use hi/lo as destination register.
1500 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1501 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1502 Avoid as macro expansion. Use hi/lo as destination register.
1504 * mips.h (MASK_CHECK_RANGE_DIV): New.
1505 (MASK_NO_CHECK_ZERO_DIV): New.
1506 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1507 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1508 return address for leaf functions out of r31 to support
1509 builtin_return_address.
1511 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1513 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1514 NEXT_INSN(x) to check insn x.
1516 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1518 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1519 last insn in the rtl chain.
1521 * reload1.c (reload): Do not set reload_completed or split insns
1523 * toplev.c (rest_of_compilation): Set reload_completed after
1524 reload returns. Split insns after reload_cse has run.
1526 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1528 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1530 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1532 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1534 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1536 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1537 use of user-label_prefix.
1539 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1541 * reload1.c (emit_reload_insns): Clear spill_reg_store
1542 when doing a new non-inherited reload from the same pseudo.
1544 * local-alloc.c (function_invariant_p): New function.
1545 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1546 to decide if an equivalence should be recorded.
1547 * reload1.c (num_eliminable_invariants): New static variable.
1548 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1549 to decide if an equivalence should be recorded.
1551 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1552 Take num_eliminable_invariants into account when deciding
1553 if register elimination should be done.
1554 (reload_as_needed): Take num_eliminable_invariants into account
1555 when deciding if register elimination should be done.
1556 (eliminate_regs): Handle non-constant reg_equiv_constant.
1557 * rtl.h (function_invariant_p): Declare.
1559 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1561 * version.c: Bump for snapshot.
1563 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1565 * version.c: Bump for snapshot.
1567 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1569 * except.c (add_new_handler): Complain about additional handlers
1570 after one that catches everything.
1572 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1574 * configure.in (alpha*-*-netbsd): Fix typo.
1575 * configure: Rebuilt.
1577 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1579 * system.h: Include libiberty.h.
1581 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1582 function `concat' from fixed parameters to variable parameters,
1583 as is done in libiberty. All callers of concat/concat3
1584 changed to use the new `concat' with variable args.
1586 * cccp.c: Remove things made redundant by libiberty.h and/or
1587 conform to libiberty standards.
1589 * collect2.c: Likewise.
1590 * config/1750a/1750a.h: Likewise.
1591 * cppalloc.c: Likewise.
1592 * cppexp.c: Likewise.
1593 * cppfiles.c: Likewise.
1594 * cpphash.c: Likewise.
1595 * cpplib.c: Likewise.
1596 * dyn-string.c: Likewise.
1597 * fix-header.c: Likewise.
1600 * genattr.c: Likewise.
1601 * genattrtab.c: Likewise.
1602 * gencheck.c: Likewise.
1603 * gencodes.c: Likewise.
1604 * genconfig.c: Likewise.
1605 * genemit.c: Likewise.
1606 * genextract.c: Likewise.
1607 * genflags.c: Likewise.
1608 * gengenrtl.c: Likewise.
1609 * genopinit.c: Likewise.
1610 * genoutput.c: Likewise.
1611 * genpeep.c: Likewise.
1612 * genrecog.c: Likewise.
1613 * getpwd.c: Likewise.
1614 * halfpic.c: Likewise.
1616 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1617 in NEED_DECLARATION_* macros.
1619 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1620 conform to libiberty standards.
1621 (fatal): Fix const-ification of variable `format' in
1622 !ANSI_PROTOTYPES case.
1624 * prefix.c: Remove things made redundant by libiberty.h and/or
1625 conform to libiberty standards.
1627 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1628 conflicting with function `spaces' from libiberty.
1630 * profile.c: Remove things made redundant by libiberty.h and/or
1631 conform to libiberty standards.
1632 * protoize.c: Likewise.
1635 * tlink.c: Likewise.
1636 * toplev.c: Likewise.
1637 * toplev.h: Likewise.
1640 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1642 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1644 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1646 * README.C4X: Updated URLs.
1647 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1648 (valid_parallel_operands_5): Remove unused variable.
1650 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1652 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1654 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1656 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1657 which can be configured.
1658 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1659 (Makefile): Pass actual LANGUAGES through the environment when
1661 (cstamp-h): Likewise.
1662 (config.status): Likewise.
1664 * configure.in (enable_languages): Add new configuration parameter
1665 "--enable-languages=lang1,lang2,...".
1666 (${srcdir}/*/config-lang.in): Change handling to configure only
1667 those directories, that the user might have enabled; default to
1668 "all" existing languages.
1669 * configure: Regenerate.
1671 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1673 * rtlanal.c (regs_set_between_p): New function.
1674 * rtl.h (regs_set_between_p): Prototype it.
1675 * jump.c (jump_optimize): Use it instead of modified_between_p
1676 in the Sep 2 change.
1678 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1679 Matthias Pfaller <leo@dachau.marco.de>
1681 * invoke.texi (Option Summary, NS32K Options): add description
1682 of NS32K specific options.
1684 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1685 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1686 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1687 negdf2, absdf2): Use l instead of f since the double class and
1688 float class are no longer the same.
1689 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1690 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1691 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1692 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1694 (cmpsi, cmphi, cmpqi): use general_operand instead of
1695 non_immediate_operand. Removes erroneous assumption that can't
1697 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1698 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1700 (movstrsi, movstrsi1, movstrsi2): completely new block move
1702 (...): Patterns to exploit multiply-add instructions.
1703 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1704 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1705 patterns to exploit extended divide insns.
1706 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1709 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1710 float return values as well as simple scalar floats.
1711 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1712 support new flag to denote 32381 fpu.
1713 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1714 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1716 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1717 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1718 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1719 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1720 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1721 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1722 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1723 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1724 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1725 fpu registers and special register classes for new 32381
1726 instructions dotf and polyf.
1727 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1729 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1730 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1732 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1733 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1734 (REGISTER_MOVE_COST): move code to register_move_cost function for
1735 ease of coding and debugging.
1736 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1737 LONG_FLOAT_REGO is likely spilled but not caught by default
1739 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1740 instead of hard coded numbers in range check.
1741 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1742 (...): Add prototypes for functions in ns32k.c but disable because
1743 of problems when ns32k.h is included in machine independant files.
1745 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1746 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1747 hard_regno_mode_ok, secondary_reload_class,
1748 print_operand, print_operand_address): new register scheme to
1749 include 32381 fpu registers and special register classes for new
1750 32381 instructions dotf and polyf.
1751 (gen_indexed_expr): Make static to keep namespace clean.
1752 (check_reg): remove since never called.
1753 (move_tail, expand_block_move): helper functions for "movstrsi"
1755 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1756 Increase cost of moves which go via memory.
1757 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1758 (CPP_PREDEFINES): nolonger predefine "unix".
1760 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1761 Remove erroneous %$. print_operand() can work out from the rtx is
1762 an immediate prefix is required.
1764 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1765 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1766 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1768 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1771 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1772 Correct handling of pic operands.
1773 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1774 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1775 -mrtd calling convention.
1777 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1779 * gcc.c (option_map): Recognize --output-class-directory.
1781 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1783 * loop.h (precondition_loop_p): Added new mode argument.
1784 * unroll.c (precondition_loop_p): Likewise.
1785 (approx_final_value): Function deleted and subsumed
1786 into loop_iterations.
1787 (loop_find_equiv_value): New function.
1788 (loop_iterations): Use loop_find_equiv_value to find increments
1789 too large to be immediate constants. Also use it to find terms
1790 common to initial and final iteration values that can be removed.
1792 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1794 * loop.h (struct loop_info): Define new structure.
1795 (precondition_loop_p): Added prototype.
1796 (unroll_loop): Added new argument loop_info to prototype.
1797 (final_biv_value, final_giv_value): Added new argument n_iterations
1799 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1800 and new pointer loop_info.
1801 (loop_n_iterations): Replace global variable by element in
1802 loop_info structure.
1803 (check_final_value): New argument n_iterations.
1804 (insert_bct): New argument loop_info.
1805 (loop_unroll_factor): Replace global array by element in
1806 loop_info structure.
1807 (loop_optimize): Remove code to allocate and initialise
1808 loop_unroll_factor_array.
1809 * unroll.c (precondition_loop_p): No longer static since
1810 used by branch on count optimization.
1811 (precondition_loop_p, unroll_loop): New argument loop_info.
1812 (final_biv_value, final_giv_value, find_splittable_regs): New
1813 argument n_iterations.
1814 (loop_iteration_var, loop_initial_value, loop_increment,
1815 loop_final_value, loop_comparison_code, loop_unroll_factor):
1816 Replaced global variables by loop_info structure.
1817 (loop_unroll_factor): Replace global array by element in
1818 loop_info structure.
1820 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1822 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1825 * unroll.c (precondition_loop_p): Return loop_initial_value
1826 for initial_value instead of loop_iteration_var.
1828 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1830 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1831 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1832 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1833 to output the instruction sequences.
1835 (rptb_top): Provide alternatives to use any register or memory
1837 (rptb_end): Emit use of operands rather than assigning them
1838 explicitly to the RS and RE registers.
1840 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1842 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1843 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1844 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1845 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1846 c4x_merge_notes, c4x_parallel_process,
1847 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1848 c4x_combine_parallel): Delete.
1850 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1852 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1853 with old target options clear flag_branch_on_count_reg if
1854 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1856 (c4x_output_cbranch): Handle a sequence of insns rather than a
1858 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1859 has not been allocated as the loop counter.
1860 (c4x_address_conflict): Do not allow two volatile memory references.
1861 (valid_parallel_operands_4, valid_parallel_operands_5,
1862 valid_parallel_operands_6): Reject pattern if the register destination
1863 of the first set is used as part of an address in the second set.
1865 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1867 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1868 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1869 is no longer enabled if PARALLEL_MPY_FLAG set.
1870 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1871 (REG_CLASS_CONTENTS): Add braces around initializers.
1872 (HAVE_MULTIPLE_PACK): Define.
1873 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1874 REAL_VALUE_TO_DECIMAL.
1875 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1876 REAL_VALUE_TO_DECIMAL.
1877 (ar0_reg_operand): Add prototype.
1878 (ar0_mem_operand): Likewise.
1879 (ar1_reg_operand): Likewise.
1880 (ar1_mem_operand): Likewise.
1881 (ar2_reg_operand): Likewise.
1882 (ar2_mem_operand): Likewise.
1883 (ar3_reg_operand): Likewise.
1884 (ar3_mem_operand): Likewise.
1885 (ar4_reg_operand): Likewise.
1886 (ar4_mem_operand): Likewise.
1887 (ar5_reg_operand): Likewise.
1888 (ar5_mem_operand): Likewise.
1889 (ar6_reg_operand): Likewise.
1890 (ar6_mem_operand): Likewise.
1891 (ar7_reg_operand): Likewise.
1892 (ar7_mem_operand): Likewise.
1893 (ir0_reg_operand): Likewise.
1894 (ir0_mem_operand): Likewise.
1895 (ir1_reg_operand): Likewise.
1896 (ir1_mem_operand): Likewise.
1897 (group1_reg_operand): Likewise.
1898 (group1_mem_operand): Likewise.
1899 (ir1_reg_operand): Likewise.
1900 (arx_reg_operand): Likewise.
1901 (not_rc_reg): Likewise.
1902 (not_modify_reg): Likewise.
1903 (c4x_group1_reg_operand): Remove prototype.
1904 (c4x_group1_mem_operand): Likewise.
1905 (c4x_arx_reg_operand): Likewise.
1907 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1909 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1910 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1912 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1914 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1917 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1919 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1920 unless FMOVD_WORKS is defined.
1922 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1924 * regclass.c (init_reg_sets): Move code that calculates tables
1925 dependent on reg_class_contents from here...
1926 (init_reg_sets_1): To here.
1928 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1930 * cpplib.h: Delete struct import_file. Add ihash element to
1931 struct cpp_buffer. Delete dont_repeat_files and
1932 import_hash_table elements from cpp_reader; change
1933 all_include_files to a hash table. Delete all foobar_include
1934 / last_foobar_include elements from struct cpp_options; put
1935 back four such: quote_include, bracket_include,
1936 system_include, after_include. Redo struct file_name_list
1937 completely. Add new structure type include_hash. Add
1938 prototypes for merge_include_chains and include_hash. Change
1939 prototypes for finclude, find_include_file, and
1940 append_include_chain to match changes below.
1942 * cppfiles.c (simplify_pathname, include_hash,
1943 remap_filename, merge_include_chains): New functions.
1944 (add_import, lookup_import, open_include_file): Removed.
1945 (INO_T_EQ): Define this (copied from cccp.c).
1946 (hack_vms_include_specification): Remove all calls and #if 0
1947 out the definition. It was being called incorrectly and at
1948 the wrong times. Until a VMSie can look at this, it's better
1949 to not pretend to support it.
1950 (append_include_chain): Change calling convention; now takes
1951 only one directory at a time, and sets up the data structure
1953 (redundant_include_p): Rewritten - this is now used for all
1954 include redundancy, whether by #ifndef, #import, or #pragma
1955 once. Looks up things in the include hash table.
1956 (file_cleanup): Decrement pfile->system_include_depth here if
1958 (find_include_file): Calling convention changed; now passes
1959 around a struct include_hash instead of 3 separate parameters.
1960 Guts ripped out and replaced with new include_hash mechanism.
1961 (finclude): Calling convention changed as for
1962 find_include_file. Error exits pulled out-of-line. Reformat.
1963 (safe_read): Return a long, not an int.
1964 (deps_output): Don't recurse.
1966 * cpplib.c (is_system_include): Deleted.
1967 (path_include): Fix up call to append_include_chain.
1968 (do_include): Fix up calls to find_include_file and finclude.
1969 Clean up dependency output a bit. Shorten obnoxiously lengthy
1970 #import warning message. Don't decrement
1971 pfile->system_include_depth here.
1972 (do_pragma): Understand the include_hash structure. Reformat.
1973 (do_endif): Correct handling of control macros. Understand
1975 (cpp_start_read): Fix up calls to finclude. Call
1976 merge_include_chains.
1977 (cpp_handle_option): Fix up calls to append_include_chain.
1978 Understand the four partial include chains.
1979 (cpp_finish): Add debugging code (#if 0-ed out) for the
1981 (cpp_cleanup): Free the include_hash, not the import hash and
1982 the all_include and dont_repeat lists which no longer exist.
1984 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1986 * toplev.c (no_new_pseudos): Define.
1987 (rest_of_compilation): Set no_new_pseudos as needed.
1988 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1989 if no_new_pseudos is set.
1990 * rtl.h (no_new_pseudos): Declare it.
1991 * reload1.c (reload): Update comments.
1992 * md.texi: Corresponding changes.
1994 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1996 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1997 (choose_reload_regs): Rename it here as well. When computing it,
1998 also merge in used hardregs.
2000 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2002 * gcc.c: Split out Objective-C specs to...
2003 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2006 * c-lex.c (init_parse): Always initialize the filename global.
2007 * objc/objc-act.c (lang_init): Always call check_newline at
2010 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2012 * reload1.c (reload): Remove unused variable.
2013 (reload_reg_free_for_value_p): Add missing parameter definition.
2015 * jump.c (jump_optimize): Remove unused variable.
2017 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2019 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2021 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2023 * expr.c (move_by_pieces): Similarly.
2024 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2025 * flow.c (find_auto_inc): Similarly.
2026 (try_pre_increment): Similarly.
2027 * loop.c (strength_reduce): Similarly.
2028 * regclass.c (auto_inc_dec_reg_p): Similarly.
2029 * regmove.c (try_auto_increment): Similarly.
2030 (fixup_match_1): Similarly.
2031 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2032 (HAVE_PRE_DECREMENT): Similarly.
2033 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2034 * Corresponding changes to all target header files.
2035 * tm.texi: Update docs for autoinc addressing modes.
2037 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2039 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2040 * configure: Rebuild.
2041 * config/elfos.h: New file.
2042 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2043 config/m68k/t-m68kelf: New file.
2045 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2047 * Makefile.in (HOST_AR): Define.
2048 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2049 (libcpp.a): Use the host tools explicitly.
2050 (STAGESTUFF): Add libcpp.a.
2052 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2054 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2055 to source and destination registers.
2057 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2059 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2060 The strategy we now use is to pre allocate the top_elt along
2061 with the EH context so that each thread has its own top_elt.
2062 This is necessary as the dynmanic cleanup chain is used on the
2063 top element of the stack and each thread MUST have its own.
2064 (eh_context_static): Likewise.
2065 (new_eh_context): Likewise.
2066 (__sjthrow): Likewise.
2068 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2070 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2071 * i386.md (prologue_get_pc): Remove unused variable.
2073 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2075 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2077 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2079 * Makefile.in (OBJS): Add graph.o
2080 (graph.o): New dependency list.
2081 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2082 * print-rtl.c (dump_for_graph): Define new variable.
2083 (print_rtx): Rewrite to allow use in graph dumping functions.
2084 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2085 finish_graph_dump_file.
2086 Define graph_dump_format.
2087 (compile_file): If graph dumping is enabled also clear these files.
2088 Finish graph dump files.
2089 (rest_of_compilation): Also dump graph information if enabled.
2090 (main): Recognize -dv to enabled VCG based graph dumping.
2091 * graph.c: New file. Graph dumping functions.
2093 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2095 * configure.in: Look for <sys/stat.h>.
2096 * system.h: Include it before substitute S_ISREG definitions.
2098 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2100 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2101 * config/mips/iris6.h: Same.
2102 * config/mips/mips.md: Same.
2103 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2104 * config/mips/mips.h: Same; also define ABI_O64.
2106 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2108 * configure.in: Use AC_PREREQ(2.12.1).
2110 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2112 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2113 * cpplib.c, gcc.c: Likewise.
2114 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2116 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2118 * local-alloc.c (local_alloc): Use malloc not alloca for
2119 reg_qty, reg_offset, ref_next_in_qty.
2121 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2123 * caller-save.c (insert_one_insn): Initialize the live_before and
2124 live_after register sets.
2128 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2129 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2130 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2131 (fp_reg_names, assembler_dialect): New variables.
2132 (print_operand_address): Handle SUBREGs.
2133 (print_operand): Added 'o' case.
2134 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2135 Name of FP registers depends on mode.
2136 (expand_block_move): Emit different code for SH4 hardware.
2137 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2138 (from_compare): Likewise.
2139 (add_constant): New argument last_value. Changed all callers.
2140 (find_barrier): Don't try HImode load for FPUL_REG.
2141 (machine_dependent_reorg): Likewise.
2142 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2143 (gen_far_branch): Emit a barrier after the new jump.
2144 (barrier_align): Don't trust instruction lengths before
2146 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2147 Use auto-inc addressing for fp registers if doubles need to
2148 be loaded in two steps.
2149 Set sh_flag_remove_dead_before_cse.
2150 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2151 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2152 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2153 Support for FIRST_XD_REG .. LAST_XD_REG.
2154 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2155 (sh_expand_epilogue): Likewise.
2156 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2157 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2158 (arith_reg_operand): FPUL_REG is OK for SH4.
2159 (fp_arith_reg_operand, fp_extended_operand) New functions.
2160 (tertiary_reload_operand, fpscr_operand): Likewise.
2161 (commutative_float_operator, noncommutative_float_operator): Likewise.
2162 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2163 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2164 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2165 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2166 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2167 (CONDITIONAL_REGISTER_USAGE): Likewise.
2168 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2169 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2170 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2171 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2172 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2173 to -1 and sh_flag_remove_dead_before_cse to 1.
2174 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2175 (assembler_dialect, fp_reg_names): Declare.
2176 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2177 Hide names of registers that are not accessible.
2178 (CACHE_LOG): Take TARGET_CACHE32 into account.
2179 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2180 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2181 (FIRST_PSEUDO_REGISTER: Now 49.
2182 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2183 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2184 (HARD_REGNO_MODE_OK): Update.
2185 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2186 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2187 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2188 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2189 (NPARM_REGS): Eight floating point parameter registers on SH4.
2190 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2191 in floating point registers.
2192 (GET_SH_ARG_CLASS) Likewise.
2193 Complex float types are also returned in float registers.
2194 (BASE_ARG_REG): Complex float types are also passes in float registers.
2195 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2196 (LIBCALL_VALUE): Remove trailing semicolon.
2197 (ROUND_REG): Round when double precision value is passed in floating
2199 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2200 passed on the stack.
2201 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2202 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2203 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2204 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2205 (MODE_DISP_OK_8): Not for SH4 DFmode.
2206 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2207 Allow indexed addressing for PSImode after reload.
2208 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2209 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2210 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2211 (DOUBLE_TYPE_SIZE): 64 for SH4.
2212 (RTX_COSTS): Add PLUS case.
2213 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2214 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2215 MAC_REGS, PR_REGS, DF_REGS.
2216 (REGISTER_NAMES): Use fp_reg_names.
2217 (enum processor_type): Add PROCESSOR_SH4.
2218 (sh_flag_remove_dead_before_cse): Declare.
2219 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2220 (PREDICATE_CODES): Add binary_float_operator,
2221 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2222 fpscr_operand, noncommutative_float_operator.
2223 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2224 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2225 * sh.md (attribute cpu): Add value sh4.
2226 (attrbutes fmovd, issues): Define.
2227 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2228 (function units memory, int, mpy, fp): Make dependent on issue rate.
2229 (function units issue, single_issue, load_si, load): Define.
2230 (function units load_store, fdiv, gp_fpul): Define.
2231 (attribute hit_stack): Provide proper default.
2232 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2233 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2234 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2235 (mulsi3_call): Now uses match_operand for function address.
2236 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2238 (push, pop, push_e, pop_e): Now define_expands.
2239 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2240 (movsi_ie): Added y/i alternative.
2241 (ic_invalidate_line_i, movdf_i4): New insns.
2242 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2243 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2244 (movdf): Add special code for SH4.
2245 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2246 (call_valuei, calli, call_value): Likewise.
2247 (movsf): Emit no-op move.
2248 (mov_nop, movsi_y): New insns.
2249 (blt, sge): generalize to handle DFmode.
2250 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2251 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2252 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2253 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2254 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2255 (toggle_sz): New insn.
2256 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2257 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2258 (macsf3): Make use of fpscr visible. Disable for SH4.
2259 (floatsisf2): Make use of fpscr visible.
2260 (floatsisf2_i4): New insn.
2261 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2262 (ieee_ccmpeqsf_t): Likewise.
2263 (fix_truncsfsi2): Emit different code for SH4.
2264 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2265 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2266 (negsf2, sqrtsf2, abssf2): Now expanders.
2267 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2268 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2269 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2270 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2271 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2272 (fix_truncdfsi2_i4_2+1): New splitters.
2273 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2274 (extendsfdf2, truncdfsf2): New expanders.
2275 (truncdfsf2_i4): New insn.
2276 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2277 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2278 * float-sh.h: When testing for __SH3E__, also test for
2279 __SH4_SINGLE_ONLY__ .
2280 * va-sh.h (__va_freg): Define to float.
2281 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2282 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2283 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2284 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2286 (TARGET_SH4_P): Define.
2289 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2290 init_expr_once is satisfied about the existence of load / store insns.
2292 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2293 change m constraint in source operand to mr / mf .
2295 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2297 * (__VA_REEF): Define.
2298 (__va_arg_sh1): Use it.
2300 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2302 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2304 * i386/dgux.c (struct option): Add new "description field".
2305 * m88k/m88k.c (struct option): Likewise.
2307 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2309 * version.c: Bump for snapshot.
2311 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2313 * regmove.c (regmove_profitable_p): Use return value of find_matches
2316 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2318 * version.c: Bump for snapshot.
2320 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2322 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2323 without reload having been called earlier.
2325 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2327 (v850_reorg): Similarly.
2329 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2331 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2333 * loop.c (move_movables): Start of libcall might be new loop start.
2335 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2337 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2339 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2341 * function.c (nonlocal_goto_handler_slots): Renamed from
2342 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2343 (push_function_context_to): Adjust for this change.
2344 (pop_function_context_from): Likewise.
2345 (init_function_start): Likewise.
2346 (expand_function_end): Likewise.
2347 * function.h (struct function): Likewise.
2348 * calls.c (expand_call): Likewise.
2349 * explow.c (allocate_dynamic_stack_space): Likewise.
2350 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2351 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2353 (expand_goto): When doing a nonlocal goto, find corresponding handler
2354 slot for it. Don't put the label address in the static chain register.
2355 (expand_end_bindings): Break out nonlocal goto handling code into
2356 three new functions.
2357 (expand_nl_handler_label, expand_nl_goto_receiver,
2358 expand_nl_goto_receivers): New static functions, broken out of
2359 expand_end_bindings and adapted to create one handler per nonlocal
2361 * function.c (delete_handlers): Delete insn if it references any of
2362 the nonlocal goto handler slots.
2363 * i960.md (nonlocal_goto): Comment out code that modifies
2365 * sparc.md (nonlocal_goto): Likewise.
2366 (goto_handler_and_restore_v9): Comment out.
2367 (goto_handler_and_restore_v9_sp64): Comment out.
2369 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2371 * expr.c (STACK_BYTES): Delete unused macro.
2372 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2373 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2374 (expand_call): Likewise.
2375 (emit_library_call): Likewise.
2376 (emit_library_call_value): Likewise.
2377 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2378 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2379 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2380 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2381 (allocate_dynamic_stack_space): Likewise.
2382 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2383 (STACK_BOUNDARY): Update description to reflect the new situation.
2385 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2387 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2388 return with a filled delay slot is followed by a return with an
2389 unfilled delay slot, delete the first return and reemit the insn
2390 that was previously in its delay slot.
2392 * i860.c (single_insn_src_p): Add missing parens.
2393 * ginclude/math-3300.h: Likewise.
2395 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2397 * regclass.c (init_reg_sets_1): Add prototype.
2398 (init_reg_modes): Likewise.
2400 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2402 * c-common.c: Change warning messages to say `comparison is
2403 always true' or `comparison is always false' instead of the
2404 confusing `is always 0', `is always 1'.
2406 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2408 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2409 break instead of return (which loses closing '>').
2411 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2413 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2414 standard 387 constants.
2416 * i386.md (jump): Explicitly set "memory" attribute.
2417 (indirect_jump, prologue_set_stack_ptr): Likewise.
2418 (prologue_get_pc_and_set_got, pop): Likewise.
2419 (allocate_stack_worder, blockage, return_internal): Likewise.
2420 (return_pop_internal, nop): Likewise.
2421 (epilogue_set_stack_ptr, leave): Likewise.
2423 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2425 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2427 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2429 * reload1.c (reload_reg_free_for_value_p):
2430 Early auto_inc reloads don't conflict with outputs.
2432 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2434 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2435 Instead call AC_HEADER_SYS_WAIT.
2437 * collect2.c: Don't provide defaults for sys/wait.h macros.
2439 * protoize.c: Likewise. Also, don't include sys/wait.h.
2441 * system.h: Include sys/wait.h and provide macro defaults.
2443 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2445 * Makefile.in (mandir): Set to @mandir@.
2446 (man1dir): New variable to hold the former value of $(mandir).
2447 Replace all uses of $(mandir) by $(man1dir).
2449 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2451 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2452 a new one before passing it to force_const_mem.
2454 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2455 find_reloads_address call.
2457 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2459 * expr.c (store_expr): Don't generate load-store pair
2460 if TEMP is identical (according to ==) with TARGET.
2462 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2464 * reload1.c (reload_reg_free_for_value_p): When considered reload
2465 has an output, matching inputs are not sufficient to avoid conflict.
2467 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2469 * hash.h (hash_table_key): New type.
2470 (hash_entry): Change `string' field to generic `key'.
2471 (hash_table): Add `comp' and `hash' functions.
2472 (hash_table_init): Take them as input.
2473 (hash_table_init_n): Likewise.
2474 (hash_lookup): Modify for generic keys.
2475 (hash_newfunc): Likewise.
2476 (hash_traverse): Likewise.
2477 (string_hash): New function.
2478 (string_compare): Likewise.
2479 (string_copy): Likewise.
2480 * hash.c (hash_table_init_n): Modify for generic keys.
2481 (hash_table_init): Likewise.
2482 (hash_lookup): Likewise.
2483 (hash_newfunc): Likewise.
2484 (hash_traverse): Likewise.
2485 (string_hash): Split out from hash_lookup.
2486 (string_compare): New function.
2487 (string_copy): Split out from hash_lookup.
2488 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2490 (symbol_hash_lookup): Likewise.
2491 (file_hash_newfunc): Likewise.
2492 (file_hash_lookup): Likewise.
2493 (demangled_hash_newfunc): Likewise.
2494 (demangled_hash_lookup): Likewise.
2495 (tlink_int): Likewise.
2496 (read_repo_file): Likewise.
2497 (recompile_files): Likewise.
2498 (demangle_new_symbols): Likewise.
2499 (scan_linker_output): Likewise.
2501 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2503 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2505 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2507 * rs6000.c (output_mi_thunk): Improve test for local branch.
2509 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2511 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2513 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2515 * reload1.c (reload_reg_free_before_p): Delete.
2516 Changed all callers to use reload_reg_free_for_value_p instead.
2517 (reload_reg_free_for_value_p): Handle more reload types.
2518 A RELOAD_FOR_INPUT doesn't conflict with its
2519 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2520 Add special case for OUT == const0_rtx.
2521 Added ignore_address_reloads argument. Changed all callers.
2523 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2525 * toplev.c (compile_file): Don't pedwarn about undefined static
2526 functions just because we passed -Wunused.
2528 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2530 * function.c (purge_addressof_1): Unshare rtl created by
2533 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2535 * regmove.c (regmove_optimize): Don't do anything but
2536 optimize_reg_copy[123] when flag_regmove is not set.
2538 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2540 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2541 value in paradoxical SImode result, rather than truncating midpoint.
2543 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2545 * alpha.c (reg_not_elim_operand): New.
2546 * alpha.h (PREDICATE_CODES): Add it.
2547 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2548 for the multiplicand.
2550 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2552 * rs6000.md (movsf): Remove explicit secondary-reload-like
2553 functionality. Only truncate SFmode store if in FPR.
2554 (movsf splitters): Combine const_double splitters.
2555 (movsf_hardfloat): Add GPR support.
2557 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2559 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2560 deprecate -mlive-g0 and -mbroken-saverestore.
2561 * t-splet (MULTILIB_OPTIONS): Likewise.
2563 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2564 in a leaf function. Clarify total_size/extra_size relationship.
2566 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2568 * i386/cygwin32.asm: Delete.
2569 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2570 * i386/cygwin32.h: Delete.
2571 * i386/cygwin.h: New file, renamed from cygwin32.h.
2572 * i386/t-cygwin32: Delete.
2573 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2574 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2575 * i386/x-cygwin32: Delete.
2576 * i386/x-cygwin: New file, renamed from x-cygwin32.
2577 * i386/xm-cygwin32: Delete.
2578 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2579 renamed cygwin_ funcs for path translations.
2580 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2581 * i386/winnt.c: Remove "32" from comment about cygwin.
2582 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2583 * rs6000/cygwin32.h: Delete.
2584 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2585 -D__CYGWIN__ to CPP_PREDEFINES.
2586 * rs6000/x-cygwin32: Delete.
2587 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2588 * rs6000/xm-cygwin32: Delete.
2589 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2591 * configure.in: Check for cygwin* instead of cygwin32. Account
2592 for the rename of cygwin-related config files to lose the "32"s.
2593 * configure: Regenerate.
2595 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2596 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2598 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2600 * Makefile.in (JAVAGC): New macro.
2601 * configure: Rebuilt.
2602 * configure.in: Recognize --enable-java-gc argument. Subst
2605 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2607 Handle equivalences that have been obscured by gcse:
2609 * reload1.c (reload): Handle equivalences set up in multiple places.
2610 * local-alloc.c (reg_equiv_init_insns): New variable.
2611 (no_equiv): New function.
2612 (update_equiv_regs): Handle equivalences set up in multiple places.
2613 Don't ignore an insn just because its destination is likely to be
2616 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2618 * except.c (expand_eh_return): Readd force_operand call lost in
2621 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2623 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2625 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2627 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2629 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2631 * regmove.c (regmove_optimize): Fix error in last change.
2633 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2635 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2636 offset in the .mask pseudo to compensate for frame pointer adjustments.
2637 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2638 word swap arguments moved to/from FP registers.
2639 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2641 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2643 * version.c: Bump for snapshot.
2645 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2647 * version.c: Bump for snapshot.
2649 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2651 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2652 times, then it can not be completely replaced.
2654 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2656 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2658 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2660 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2661 (to distinguish it from the macro wrapping ansidecl.h.)
2662 Include libiberty's ansidecl.h. Remove all redundant definitions.
2663 Define the PROTO() style macros in terms of the PARAMS() ones.
2666 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2667 __STDC__, when deciding whether to use ANSI variable args.
2668 (emit_library_call_value): Likewise.
2670 * cccp.c (error): Likewise.
2671 (warning): Likewise.
2672 (error_with_line): Likewise.
2673 (warning_with_line): Likewise.
2674 (pedwarn): Likewise.
2675 (pedwarn_with_line): Likewise.
2676 (pedwarn_with_file_and_line): Likewise.
2679 * cexp.y (error): Likewise.
2680 (pedwarn): Likewise.
2681 (warning): Likewise.
2683 * collect2.c (fatal_perror): Likewise.
2687 * combine.c (gen_rtx_combine): Likewise.
2689 * cpperror.c (cpp_message): Likewise.
2690 (cpp_fatal): Likewise.
2692 * cpplib.c (cpp_error): Likewise.
2693 (cpp_warning): Likewise.
2694 (cpp_pedwarn): Likewise.
2695 (cpp_error_with_line): Likewise.
2696 (cpp_warning_with_line): Likewise.
2697 (cpp_pedwarn_with_line): Likewise.
2698 (cpp_pedwarn_with_file_and_line): Likewise.
2700 * cpplib.h: Don't define PARAMS() macro.
2702 * demangle.h: Likewise.
2704 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2705 when deciding whether to use ANSI variable args.
2707 * emit-rtl.c (gen_rtx): Likewise.
2708 (gen_rtvec): Likewise.
2710 * final.c (asm_fprintf): Likewise.
2712 * fix-header.c (cpp_message): Likewise.
2714 (cpp_fatal): Likewise.
2716 * gcc.c (concat): Likewise.
2720 * genattr.c (fatal): Likewise.
2722 * genattrtab.c (attr_rtx): Likewise.
2723 (attr_printf): Likewise.
2726 * gencodes.c (fatal): Likewise.
2728 * genconfig.c (fatal): Likewise.
2730 * genemit.c (fatal): Likewise.
2732 * genextract.c (fatal): Likewise.
2734 * genflags.c (fatal): Likewise.
2736 * genopinit.c (fatal): Likewise.
2738 * genoutput.c (fatal): Likewise.
2741 * genpeep.c (fatal): Likewise.
2743 * genrecog.c (fatal): Likewise.
2745 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2746 deciding whether to declare `tree_node' and `rtx_def'.
2748 * hash.h: Don't define stuff we get from gansidecl.h.
2750 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2751 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2752 whether to use ANSI variable args.
2755 * prefix.c (concat): Likewise.
2759 * system.h: Likewise.
2761 * toplev.c (error_with_file_and_line): Likewise.
2762 (error_with_decl): Likewise.
2763 (error_for_asm): Likewise.
2766 (warning_with_file_and_line): Likewise.
2767 (warning_with_decl): Likewise.
2768 (warning_for_asm): Likewise.
2769 (warning): Likewise.
2770 (pedwarn): Likewise.
2771 (pedwarn_with_decl): Likewise.
2772 (pedwarn_with_file_and_line): Likewise.
2774 (really_sorry): Likewise.
2776 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2777 whether to declare `tree_node' and `rtx_def'.
2779 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2780 deciding whether to use ANSI variable args.
2781 (build_nt): Likewise.
2782 (build_parse_node): Likewise.
2784 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2786 * version.c: Bump for snapshot.
2788 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2790 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2792 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2794 * collect2.c (main, case 'b'): Use else if.
2796 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2798 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2799 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2800 before the config/ directory headers.
2801 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2802 gansidecl.h in the list of dependencies.
2804 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2805 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2806 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2807 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2808 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2809 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2812 * cccp.c: Don't include gansidecl.h.
2814 * collect2.c: Likewise.
2815 * config/c4x/c4x.c: Likewise.
2816 * config/v850/v850.h: Likewise.
2817 * cppalloc.c: Likewise.
2818 * cpperror.c: Likewise.
2819 * cppexp.c: Likewise.
2820 * cppfiles.c: Likewise.
2821 * cpphash.c: Likewise.
2822 * cpplib.c: Likewise.
2823 * cppmain.c: Likewise.
2824 * cppulp.c: Likewise.
2825 * demangle.h: Likewise.
2826 * doprint.c: Likewise.
2827 * dyn-string.c: Likewise.
2828 * eh-common.h: Likewise.
2829 * fix-header.c: Likewise.
2830 * frame.c: Likewise.
2833 * gen-protos.c: Likewise.
2834 * gencheck.c: Likewise.
2835 * halfpic.h: Likewise.
2837 * machmode.h: Likewise.
2838 * mbchar.c: Likewise.
2839 * prefix.c: Likewise.
2840 * protoize.c: Likewise.
2841 * recog.h: Likewise.
2843 * scan-decls.c: Likewise.
2845 * varray.h: Likewise.
2847 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2849 * i386.md (call_value_pop): If we're not popping anything,
2850 defer to call_value.
2851 (call_pop): Likewise defer to call.
2853 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2855 * function.c (purge_addressof): Clear purge_addressof_replacements
2856 only after processing the whole function.
2858 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2860 * reload1.c (reload): If we can not perform a particular elimination
2861 when we thought we could earlier, then we must always iterate through
2862 the loop at least one more time.
2864 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2866 * alpha.c (add_operand): Simplify the CONST_INT match.
2867 (sext_add_operand): Correct typo in comparison by using
2868 CONST_OK_FOR_LETTER_P.
2869 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2870 constant alternatives to be generated.
2871 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2872 small constants, since the hw instructions do.
2874 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2876 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2877 previous insn to store directly into our reload register, make sure
2878 that if the source of the previous insn is a reload register, its
2879 spill_reg_store and spill_reg_stored_to values are cleared.
2881 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2883 * rs6000.md (floatunssidf2_internal splitter): Use base register
2884 operand, not hard-coded SP.
2886 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2888 * jump.c (calculate_can_reach_end): Fix thinko.
2890 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2892 * reorg.c (fill_simple_delay_slots): Fix typo.
2894 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2896 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2898 * i386.md (extendsidi2): Use # in the output template.
2899 (extendsidi splitters): New splitters.
2901 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2903 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2905 * configure: Regenerate.
2907 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2909 * jump.c (init_label_info, delete_barrier_successors,
2910 mark_all_labels, delete_unreferenced_labels,
2911 delete_noop_moves, calculate_can_reach_end): New functions broken
2912 out of jump_optimize.
2913 (jump_optimize): Use them.
2915 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2917 * except.c (expand_fixup_region_end): Make sure outer context labels
2918 are not issued in an inner context during cleanups.
2920 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2922 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2925 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2927 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2928 to expose this midpoint to CSE.
2930 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2932 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2934 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2936 * configure.in: Bring over gcc2 change of Nov 19 1997.
2938 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2940 * toplev.c (output_lang_identify): Make definition dependent on
2941 ASM_IDENTIFY_LANGUAGE.
2943 * print-rtl.c (spaces): Make static.
2945 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2947 * extend.texi: Clarify proper uses for register clobbers in asms.
2949 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2951 * recog.h (enum op_type): Define.
2952 (constrain_operands): Adjust prototype.
2953 (recog_op_type): Declare new variable.
2954 * recog.c (recog_op_type): New variable.
2955 (insn_invalid_p): Allow modifying an asm statement after reload.
2956 (extract_insn): Set up recog_op_type.
2957 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2958 Don't compute operand types, use recog_op_type.
2959 Use the information computed by extract_insn instead of the previous
2960 method of finding it by insn code number.
2961 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2962 * reorg.c (fill_slots_from_thread): Likewise.
2963 * reload1.c (reload_as_needed): Likewise.
2964 (gen_reload): Likewise.
2965 (inc_for_reload): Likewise.
2966 (reload_cse_simplify_operands): Likewise.
2967 Use the information computed by extract_insn instead of the previous
2968 method of finding it by insn code number.
2969 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2971 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2972 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2973 Use the information computed by extract_insn instead of the previous
2974 method of finding it by insn code number.
2975 * regmove.c (find_matches): Likewise. Change meaning of the return
2976 value to be nonzero if the optimization can be performed, zero if
2977 not. All callers changed.
2978 Shorten some variable names to fix formatting problems.
2979 (regmove_optimize): Shorten some variable names to fix formatting
2981 Use the information computed by extract_insn instead of the previous
2982 method of finding it by insn code number.
2983 * regclass.c (scan_one_insn): Likewise.
2984 (record_reg_classes): Don't compute operand types, use recog_op_type.
2985 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2986 recog_constraints instead.
2988 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2990 * rtl.h (flow2_completed): Declare.
2991 * flow.c (flow2_completed): Definition.
2992 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2995 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2997 * Makefile.in (libcpp.a): Ranlib libcpp.a
2999 * cppulp.c (user_label_prefix): Initialize.
3001 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3003 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3004 at a RETURN if current_function_sp_is_unchanging is set.
3006 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3008 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3010 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3012 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3013 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3014 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3015 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3016 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3017 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3019 (LIB_SPEC): Handle -mno-cyginw option.
3020 (LINK_SPEC): Handle -mdll.
3022 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3024 * reload.c (find_reloads): Fix test for usage by other reload
3025 to handle secondary reloads properly.
3027 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3029 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3030 intermediate structure which has exactly the members provided by
3031 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3032 static intermediate structure.
3034 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3035 from the intermediate structure. Do the same analogous fix in
3036 the case where ELIMINABLE_REGS is not defined.
3038 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3040 * pa.h (SELECT_SECTION): Fix thinko.
3042 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3044 * dwarf2out.c (output_call_frame_info): Comments on last change.
3046 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3048 * arm.c (add_constant): When taking the address of an item in the
3049 pool, get the mode of the item addressed.
3051 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3052 contain a SET or a PARALLEL, don't consider it for conditional
3055 Restore ABI compatibility for NetBSD.
3056 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3058 (RETURN_IN_MEMORY): Likewise.
3060 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3062 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3063 (m32r_output_block_move): Rewrite bytes < 4 handling.
3065 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3067 * configure.in: Call AC_FUNC_VFORK.
3069 * collect2.c: Define VFORK_STRING as a printable string for
3070 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3071 defined, include vfork.h. If VMS is defined, define vfork()
3072 appropriately. Remove vfork check on USG, we're using autoconf.
3073 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3074 checking locally what string to pass.
3075 (scan_prog_file): Likewise.
3076 (scan_libraries): Likewise.
3078 * gcc.c: Remove vfork check on USG, we're using autoconf.
3079 Besides, no calls to vfork/fork occur in this file.
3081 * protoize.c: Likewise.
3083 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3085 * configure.in (DEFAULT_LINKER): renamed from LD
3086 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3087 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3088 * configure: rebuilt
3090 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3092 * BUGS: fix the regexp for `more' to find the appropriate node.
3093 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3095 * BUGS: added link to the WWW FAQ
3097 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3099 * version.c: Bump for snapshot.
3101 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3103 * From Christian Gafton:
3104 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3105 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3106 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3108 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3110 * c-common.c (c_get_alias_set): Allow all type-punning through
3111 unions. Don't get confused about the type of a bit-field, despite
3112 the antics of build_modify_expr.
3114 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3116 * fixinc.sco: Paramaterize #include_next values.
3117 * fixinc/fixinc.sco: Likewise.
3119 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3121 * toplev.c (rest_of_compilation): No longer set reload_completed.
3122 * reload1.c (reload): Set it here. Perform instruction splitting
3123 after reload has completed if we will be running the scheduler
3126 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3128 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3129 EH region if exceptions are enabled and we're performing cross
3131 (find_cross_jump): Exit loop if the insns are in different EH regions.
3133 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3135 * dwarf2out.c (output_call_frame_info): Use
3136 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3138 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3140 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3141 * c-common.c (check_format_info): Don't check for the 'x'
3142 format character twice, instead check for 'x' and 'X'
3144 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3146 * configure.in (assembler features): Also make gas is configured if
3147 we find it in the souce tree.
3149 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3151 * i386.c (i386_comp_type_attributes): Compare whether the
3152 attributes are defined, not their tree nodes.
3154 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3156 * configure.in (gxx_include_dir): bitten by autoconf quoting
3158 * configure: rebuilt
3160 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3162 * configure.in: Ignore non-absolute value in $AS.
3164 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3166 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3168 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3170 * configure.in (msdosdjgpp): Set exeext and target_alias.
3172 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3174 * flow.c (XNMALLOC): New macro.
3175 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3177 (add_edge, add_edge_to_label): New static functions.
3178 (free_bb_memory): New function.
3179 (flow_delete_insn): Delete function.
3180 (basic_block_drops_in): Delete variable.
3181 (find_basic_blocks): Allocate and initialize basic_block_head,
3182 basic_block_succ. Don't allocate basic_block_drops_in.
3183 Call free_bb_memory at the beginning.
3184 (find_basic_blocks_1): Don't do multiple passes.
3185 Delete code to compute basic_block_drops_in.
3186 After calling make_edges, mark blocks reached by current block live.
3187 Update test for unreachable live blocks.
3188 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3190 Simplify to call add_edge_to_label when a LABEL_REF is found.
3191 (make_edges): Simplify to call add_edge_to_label instead of
3192 mark_label_ref most of the time.
3193 Compute here whether control drops into the next block.
3194 (delete_unreachable_blocks): Return void. All callers changed.
3195 Delete unreachable blocks in reverse order.
3196 After deleting all unreachable blocks, renumber the remaining ones
3197 and update n_basic_blocks.
3198 (delete_block): Speed up deletion a bit.
3199 Don't set basic_block_drops_in for deleted blocks.
3200 (free_basic_block_vars): Don't free basic_block_drops_in.
3201 (life_analysis_1): Update to use new edge representation.
3202 (dump_flow_info): Delete code to print basic block info; call
3203 dump_bb_data instead.
3204 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3205 and uid_block_number.
3206 Simply copy the previously computed cfg.
3207 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3208 Print register lifetime information if LIVE_INFO is nonzero.
3209 * basic-block.h (dump_bb_data): Adjust prototype.
3210 * gcse.c (gcse_main): Update call to dump_bb_data.
3211 * rtl.h (free_bb_memory): Declare.
3212 * toplev.c (rest_of_compilation): Call free_bb_memory.
3214 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3215 (update_eliminable_offsets): Don't compute it.
3216 (set_initial_elim_offsets): Don't initialize it.
3217 Break out some code into set_initial_label_offsets so the rest of
3218 this function can be called from reload_as_needed.
3219 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3220 ELIMINABLE_REGS isn't.
3221 (set_initial_label_offsets): New function, broken out of
3222 set_initial_elim_offsets.
3223 (set_offsets_for_label): New function, broken out of set_label_offsets
3224 and reload_as_needed.
3225 (reload): Call the two new functions.
3226 (reload_as_needed): Call set_initial_elim_offsets instead of
3227 duplicating the code. Likewise for set_offsets_for_label.
3229 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3230 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3231 any hard reg, reg_reloaded_dead contains valid data.
3233 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3235 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3236 "stdcall" and "cdecl" attributes.
3238 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3240 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3241 handle deleted no-op moves of hard registers.
3242 * haifa-sched.c (update_flow_info): Likewise.
3244 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3246 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3247 of the sequences to reload the HILO register which do not actually
3250 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3252 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3254 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3256 * except.c (emit_eh_context): Make the EH context register stay alive
3257 at -O0 so stupid.c doesn't get confused.
3259 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3261 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3263 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3264 Jeffrey A Law (law@cygnus.com)
3266 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3267 (zero_extendsidi2): Use # in output template and handle completely by
3269 (zero_extend splitters): New define_splits.
3270 (ashiftrt_32): New pattern.
3272 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3274 * tree.c (append_random_chars): New fn.
3275 (get_file_function_name_long): Use it.
3277 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3279 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3280 (LIBCPP_OBJS): New. Add cppulp.o.
3281 (cppmain, fix-header): Depend on and use libcpp.a.
3282 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3283 of the individual object files.
3284 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3287 * cccp.c (user_label_prefix): New.
3288 (main): Set it off -f*leading-underscore.
3289 (special_symbol): Use it.
3290 * cpplib.c (special_symbol): Likewise.
3291 (cpp_handle_option): Handle -f*leading-underscore.
3292 * cppulp.c: New file.
3294 * output.h (user_label_prefix): Declare it.
3295 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3296 * toplev.c (f_options, main): Handle -f*leading-underscore.
3298 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3299 referencing USER_LABEL_PREFIX directly.
3300 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3301 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3302 * final.c (asm_fprintf): Use user_label_prefix instead.
3303 * arm/thumb.c (thumb_print_operand): Likewise.
3305 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3306 cpp wherever appropriate.
3308 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3310 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3311 specific compiler switches.
3313 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3315 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3318 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3320 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3321 structure which has exactly the members provided by EXTRA_SPECS.
3322 Xmalloc() the real `extra_specs', and initialize it from this
3323 intermediate structure.
3325 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3327 * mips.h (EXTRA_SPECS): Likewise.
3329 * sparc.h (EXTRA_SPECS): Likewise.
3331 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3333 * function.c (purge_addressof_1): Instead of aborting when a
3334 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3335 work just put the ADDRESSOF on stack. Otherwise remember all such
3336 successfull replacements, so that exactly the same replacements
3337 can be made on the REG_NOTEs. Remove the special case for CALL
3339 (purge_addressof_replacements): New variable.
3340 (purge_addressof): Clear it at end.
3342 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3344 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3345 (lang_init): Call check_newline always.
3346 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3347 cpp_start_read, set yy_cur and yy_lim to read from
3348 parse_in.token_buffer, so that we'll see the first #line
3350 * cpplib.c (cpp_start_read): finclude the main input file
3351 before processing -include/-imacros. Process -imacros and
3352 -include separately, and handle -include by stacking a
3353 buffer for the file in question as if it'd been #included.
3354 * toplev.c (documented_lang_options) Recognize -H when
3357 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3359 * cpplib.c: Merge do_once into do_pragma. Break file handling
3360 code out of do_include.
3361 Move append_include_chain, deps_output,
3362 file_cleanup, redundant_include_p, import_hash,
3363 lookup_import, add_import, read_filename_string, read_name_map,
3364 open_include_file, finclude, safe_read to cppfiles.c.
3365 Move prototypes for deps_output, append_include_chain,
3366 finclude to cpplib.h. Move definition of struct
3367 file_name_list there also.
3369 * cppfiles.c: New file. Contains all the above functions
3370 broken out of cpplib.c; also hack_vms_include_specification
3371 from cccp.c and find_include_file, a new function broken out of
3374 * Makefile.in (cppmain): Depend on cppfiles.o.
3375 (fix-header): Likewise.
3376 (cppfiles.o): New target.
3377 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3378 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3380 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3382 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3383 if pending_types is non-zero.
3384 (dwarfout_finish): Verify pending_types is zero before finishing.
3386 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3388 * expr.c (convert_move): Use shifts to perform the move if a
3389 suitable extend pattern cannot be found. Code written by
3390 Richard Henderson <rth@cygnus.com>.
3392 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3394 * regclass.c (renumber, regno_allocated): New static variables, moved
3395 out of allocate_reg_info.
3396 (allocate_reg_info): Move these two variables outside the function.
3397 Move code to free memory into new function free_reg_info.
3398 (free_reg_info): New function, broken out of allocate_reg_info.
3399 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3400 * rtl.h (allocate_reg_info): Don't declare.
3401 (free_reg_info): Declare.
3403 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3405 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3407 * toplev.c (compile_file): Temporarily revert last change.
3409 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3411 * c-typeck.c (convert_for_assignment): Parenthesize.
3413 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3415 * reload1.c (delete_output_reload): Avoid ambigous else.
3417 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3419 * toplev.c (compile_file): Call allocate_reg_info to free register
3421 * rtl.h (allocate_reg_info): Declare.
3423 * PROJECTS: Remove entry for local spilling.
3425 * final.c (cleanup_subreg_operands): New function.
3426 (final_scan_insn): Use it.
3427 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3429 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3430 operands when reload has finished.
3431 * reload.h (cleanup_subreg_operands): Declare..
3432 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3433 reload. Handled in reload itself.
3435 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3437 * reload1.c (verify_initial_offsets): New function.
3438 (reload): Call it after reload_as_needed. Also verify that the frame
3439 size stays constant during reload_as_needed.
3440 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3442 * reload.h (struct insn_chain): Add need_operand_change element.
3443 * reload1.c (new_insn_chain): Clear it.
3444 (calculate_needs_all_insns): Set it; don't overload need_reload.
3445 (reload_as_needed): Use it.
3447 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3448 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3449 and reload_address_index_reg_class.
3450 (find_reloads_address_1): Likewise.
3451 * reload.h (reload_address_base_reg_class,
3452 reload_address_index_reg_class): Don't declare.
3453 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3454 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3455 (used_spill_regs): Now static.
3456 (reload_address_base_reg_class, reload_address_index_reg_class,
3457 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3458 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3459 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3462 (init_reload): Delete code to compute base/index reg classes.
3463 (reload): Delete variable J.
3464 Delete code to manage basic_block_needs.
3465 Don't compute regs_explicitly_used.
3466 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3467 pseudo_previous_regs.
3468 Initialize bad_spill_regs_global.
3469 Don't call order_regs_for_reload here.
3470 Don't initialize spill_reg_order and n_spills.
3471 Don't forbid explicitly used regs to be used for spill regs.
3472 Change main loop to infinite loop, with explicit break statements.
3473 Make SOMETHING_CHANGED variable local to that loop.
3474 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3475 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3476 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3478 Don't call dump_needs.
3479 Delete code to reset potential_reload_regs.
3480 Delete code to terminate loop conditional on the global needs variables
3481 showing no further needs.
3482 (calculate_needs_all_insns): Return void. All callers changed.
3483 Initialize somehing_needs_elimination here, not in reload.
3484 Delete avoid_return_reg kludge.
3485 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3486 All callers changed.
3487 Initialize the group_mode and group_size elements of the arg CHAIN.
3488 Delete code to manage basic_block_needs.
3489 Operate on elements of CHAIN instead of global variables.
3490 Delete avoid_return_reg kludge.
3491 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3492 All callers changed.
3493 Operate on elements of CHAIN instead of global variables.
3494 Delete special SMALL_REGISTER_CLASSES code.
3495 Delete spill_failure code; now in new_spill_reg.
3496 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3497 All callers changed.
3498 Operate on elements of CHAIN instead of global variables.
3499 (maybe_mark_pseudo_spilled): New static function.
3500 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3501 All callers changed.
3502 Operate on elements of CHAIN instead of global variables.
3503 Call order_regs_for_reload here, not in reload.
3504 Initialize spill_reg_order and n_spills.
3505 Simplify test whether an asm insn is involved.
3506 Delete spill_failure code; now in new_spill_reg.
3507 Call maybe_mark_pseudo_spilled for everything marked as live in
3508 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3510 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3511 compiler from optimizing this function (now unused) away.
3512 Operate on elements of CHAIN instead of global variables.
3513 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3515 Operate on elements of CHAIN instead of global variables.
3516 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3517 take CHAIN arg. All callers changed.
3518 Operate on elements of CHAIN instead of global variables.
3519 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3520 CHAIN, NONGROUP args. Return void. All callers changed.
3521 Verify caller isn't trying to spill a pseudo.
3522 Simplify test for illegal reg, just use bad_spill_regs.
3523 Generate better error messages.
3524 Operate on elements of CHAIN instead of global variables.
3525 Mark spilled register in CHAIN's used_spill_regs element.
3526 Don't call spill_hard_reg.
3527 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3528 Mark spilled hard regs in bad_spill_regs_global.
3529 Mark affected pseudos in spilled_pseudos, but don't spill them.
3530 (ior_hard_reg_set): New static function.
3531 (finish_spills): Return int. All callers changed.
3532 Compute spill_reg_order, n_spills and spill_regs here. Also update
3533 regs_ever_live for regs used as spills.
3534 For every pseudo in spilled_pseudos, spill it and mark the previous
3535 hard reg it had in pseudo_previous_regs. Compute which hard regs
3536 arseudo): New static function.
3537 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3538 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3539 hard registers explicitly used across the current insn into the set.
3540 Compute hard_reg_n_uses taking only pseudos live across this insn
3542 Tweak sorting of potential_reload_regs.
3543 (compare_spill_regs): Delete function.
3544 (reload_as_needed): Don't sort the spill_regs array, it's computed
3545 in proper order in finish_spills.
3546 Delete avoid_return_reg kludge.
3547 Delete code to manage basic_block_needs.
3548 (allocate_reload_reg): Minor speed/readability tweaks.
3549 Operate on elements of CHAIN instead of global variables.
3550 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3551 Delete avoid_return_reg kludge.
3552 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3553 Delete unused label FAIL.
3554 (reload_combine): Replce reload_address_index_reg_class with
3556 Don't use used_spill_regs to determine information about lifetime of
3559 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3561 * toplev.c (display_help): Ignore empty target specific
3562 options, and if -W is also specified on the command line then
3563 display undocumented options.
3565 * config/arm/arm.c: Updated with changes in devo sources.
3566 * config/arm/arm.h: Updated with changes in devo sources.
3567 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3568 * config/arm/lib1thumb.asm: Add ELF support.
3570 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3572 * collect2.c (aix64_flag): New variable.
3573 (main, case 'b'): Parse it.
3574 (GCC_CHECK_HDR): object magic number must match mode.
3575 (scan_prog_file): Only check for shared object if valid header.
3576 Print debugging if header/mode mismatch.
3578 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3580 Added support for arm-elf-linux configuration, submitted by Philip
3581 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3582 code developed by Catherine Moore <clm@cygnus.com>. The following
3585 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3588 * configure: Regenerated.
3590 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3591 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3592 definitions conditional on their not having been already defined.
3594 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3595 and .type directives, and add "(PLT)" qualification to function
3598 * config/arm/linux.h: Deleted. This file is now superceeded by
3599 either linux-elf.h or linux-aout.h.
3601 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3602 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3604 Move definitions from old linux.h file here.
3606 * config/arm/elf.h: New file. Generic ARM/ELF support.
3608 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3610 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3612 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3613 using the 26bit APCS.
3615 * config/arm/unknown-elf.h: New file. Support for OS'es other
3616 than Linux with ELF.
3618 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3621 * config/arm/coff.h: Include aout.h for basic assembler macros.
3622 Add support for -mstructure_size_boundary=<n> command line option.
3624 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3625 command line option. Make macro definitions conditional on their
3626 not having been already defined.
3628 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3629 command line option.
3632 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3634 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3635 has been changed to not include a newline. Use this macro instead.
3636 (output_enumeral_list, const_value_attribute, name_attribute,
3637 comp_dir_attribute, prototyped_attribute, producer_attribute,
3638 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3639 dwarfout_file_scope_decl, generate_new_sfname_entry,
3640 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3641 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3643 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3645 * combine.c (subst): Process the inputs to a parallel asm_operands
3648 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3650 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3652 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3654 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3656 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3658 * version.c: Bump for snapshot.
3660 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3662 * stmt.c (expand_fixup): Set fixup->before_jump to a
3663 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3665 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3667 * Makefile.in (recog.o): Depend on toplev.h.
3668 (insn-emit.o): Depend on recog.h.
3669 (insn-peep.o): Depend on recog.h and insn-config.h.
3671 * combine.c (simplify_set): Remove unused variable `scratches'.
3673 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3674 and `idx' in macro conditional controlling their use.
3676 * genemit.c (main): Make the generated output file include
3677 recog.h. Don't have it declare `insn_operand_constraint', since
3678 we get it from recog.h.
3680 * genpeep.c (main): Make the generated output file include
3681 insn-config.h and recog.h.
3683 * recog.c: Include toplev.h.
3684 (extract_insn): Remove unused variable `p'.
3686 * regclass.c (fix_register): Add missing braces around initializer
3688 (allocate_reg_info): Move variable `i' into the scope where it is
3689 used. Change its type to `size_t'.
3691 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3693 * reload.c (push_reload): When merging reloads, make sure
3694 that reload_in_reg and reload_in are from the same reload in
3697 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3699 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3700 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3702 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3704 * loop.c (loop_has_tablejump): New variable.
3705 (prescan_loop): Scan for it.
3706 (insert_bct): Replace explicit scan with use of it.
3707 * regclass.c (regclass): Restore loop variable j.
3708 (record_reg_classes): Deterine op_types modifiers and initialize
3709 classes[i] before matching constraints. Handle matching
3712 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3714 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3717 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3719 * mips.h (EXTRA_SPECS): Add missing initializers.
3721 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3723 * sparc.h (EXTRA_SPECS): Add missing initializers.
3724 (sparc_defer_case_vector): Provide a prototype.
3726 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3727 comparing it to the result of a pointer subtraction.
3729 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3731 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3732 the argument to (unsigned char).
3734 * alpha.h (EXTRA_SPECS): Add missing initializers.
3735 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3738 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3740 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3741 (propagate_block): Delete dead code after reload.
3743 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3744 back Oct 15, 1998 change.
3745 * haifa-sched.c (update_flow_info): Likewise.
3746 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3748 * mn10200.md (truncated shift): Accept constant inputs too.
3750 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3752 * machmode.h (mode_mask_array): No longer const.
3753 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3755 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3757 * frame.c: Somewhat explain `FDE'.
3758 Suggested by Brendan Kehoe
3760 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3762 * expr.c (pending_chain): Move up.
3763 (save_expr_status): Do save pending_chain.
3764 (restore_expr_status): And restore it.
3765 * function.h (struct function): Add pending_chain.
3767 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3769 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3770 did not match the code.
3772 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3774 * regclass.c (regclass): Break out some code into new function
3775 scan_one_insn, and into regclass_init.
3776 (init_cost): New static variable, moved out of regclass.
3777 (regclass_init): Initialize it here, not in .
3778 (scan_one_insn): New static function, broken out of regclass.
3779 * recog.c (apply_change_group): Break out some code into new
3780 function insn_invalid_p.
3781 (insn_invalid_p): New static fn, broken out of apply_change_group.
3783 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3785 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3786 reg_reloaded_contents matches incremented pseudo.
3788 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3790 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3792 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3793 addressing modes with side effects. These are currently
3794 placeholders for the C4x target.
3796 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3798 * loop.c (express_from): Make sure that when generating a PLUS of
3799 a PLUS, any constant expression appears on the outermost PLUS.
3801 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3803 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3804 works if "$(srcdir)" != ".".
3806 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3808 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3809 existing SUBREG if we can, otherwise abort.
3811 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3813 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3814 `restrict' is applied to a non-pointer variable.
3816 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3818 * invoke.texi: Document -flang-isoc9x.
3820 * Makefile.in (OBJS): Add splay-tree.o.
3821 (c-common.o): Depend on rtl.h.
3822 (splay-tree.o): List dependencies and provide build rule.
3824 * rtl.h (record_alias_subset): New function.
3825 * alias.c: Include splay-tree.h.
3826 (alias_set_entry): New type.
3827 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3828 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3829 (mems_in_disjoin_alias_sets_p): New function.
3830 (alias_set_compare): Likewise.
3831 (insert_subset_children): Likewise.
3832 (get_alias_set_entry): Likewise.
3834 * tree.h (TYPE_RESTRICT): New macro.
3835 (TYPE_UNQUALIFIED): New manifest constant.
3836 (TYPE_QUAL_CONST): Likewise
3837 (TYPE_QUAL_VOLATILE): Likewise.
3838 (TYPE_QUAL_RESTRICT): Likewise.
3839 (tree_type): Add restrict_flag. Reduce count of free bits.
3840 (DECL_POINTER_ALIAS_SET): New macro.
3841 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3842 (tree_decl): Add pointer_alias_set.
3843 (build_qualified_type): New function.
3844 (build_type_variant): Define in terms of build_qualified_type.
3845 * tree.c (set_type_quals): New function.
3846 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3847 (build_type_attribute_variant): Use build_qualified_type and
3849 (build_type_variant): Rename, and modify, to become...
3850 (build_qualified_type): New function.
3851 (build_complex_type): Use set_type_quals.
3853 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3854 (C_TYPE_FUNCTION_P): Likewise.
3855 (C_TYPE_INCOMPLETE_P): Likewise.
3856 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3857 (c_apply_type_quals_to_decl): New function.
3858 (c_build_qualified_type): New function.
3859 (c_build_type_variant): Define in terms of c_build_qualified_type.
3860 (flag_isoc9x): Declare.
3861 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3862 (common_type): Change to use TYPE_QUALS.
3863 (comptypes): Likewise.
3864 (convert_for_assignment): Likewise.
3865 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3866 * c-decl.c (flag_isoc9x): Define.
3867 (c_decode_option): Handle -flang-isoc9x.
3868 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3869 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3870 * c-lex.c (init_lex): Deal with restrict.
3871 (init_lex): Don't treat restrict as a reserved word in
3872 -traditional mode, or without -flang-isoc9x.
3873 * c-lex.h (rid): Add RID_RESTRICT.
3874 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3875 equivalent to RID_RESTRICT.
3876 * c-parse.in (TYPE_QUAL): Update comment.
3877 * c-common.c: Include rtl.h.
3878 (c_find_base_decl): New function.
3879 (c_build_type_variant): Rename, and modify, to become ...
3880 (c_build_qualified_type): New function.
3881 (c_apply_type_quals_to_decl): Likewise.
3882 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3883 a particular alias set for the reference.
3884 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3886 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3888 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3889 command line switches.
3891 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3893 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3896 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3898 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3900 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3902 * regclass.c (fix_register): Add error message.
3903 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3906 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3908 * c-decl.c (warn_missing_noreturn): New global variable.
3909 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3910 (finish_function): Implement missing noreturn warning.
3912 * c-tree.h (warn_missing_noreturn): Declare extern.
3914 * invoke.texi: Document new flags.
3916 * toplev.c (documented_lang_options): Add description.
3918 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3920 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3921 loop optimization stable for the C4x.
3922 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3923 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3924 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3926 (c4x_address_conflict): Be more paranoid when packing a volatile
3927 memref in a parallel load/store.
3929 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3931 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3932 repeat_block_filler): Deleted.
3933 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3934 Condition code not set if destination register from 'c' class.
3935 (*subbqi3_carry_clobber): Fix typo.
3937 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3939 * reorg.c (steal_delay_list_from_target) Check for insns that
3940 modify the condition codes and effect the direction of the jump
3943 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3945 * function.c (purge_addressof_1): Replace call to
3946 emit_insns_before() with emit_insn_before().
3948 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3950 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3952 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3954 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3956 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3958 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3959 clobbered across calls.
3961 * loop.c (scan_loop): Be more selective about what invariants are
3962 moved out of a loop.
3964 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3966 * version.c: Bump for snapshot.
3968 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3970 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3971 static eh_context structure.
3973 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3975 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3977 (try_combine): Don't update max_scratch.
3978 * flow.c (max_scratch, num_scratch): Delete variables.
3979 (life_analysis_1): Don't initialize max_scratch.
3980 (propagate_block): Don't update max_scratch.
3981 (mark_set_1): Don't increment num_scratch.
3982 * regs.h (max_scratch): Delete declaration.
3984 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3986 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3987 is nonzero. This is temporary!
3989 * sched.c (update_flow_info): Handle death notes made invalid by
3990 instruction splitting. Partially reverts Oct 15, 1998 patch.
3991 * haifa-sched.c (update_flow_info): Likewise.
3993 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3995 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3996 if it has a nonzero DECL_INITIAL.
3998 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4000 * Makefile.in (flow.o): Depend on recog.h.
4002 * cpplib.h (directive_table): Add missing initializiers.
4003 (finclude): Change type of variable `bsize' to size_t.
4005 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4007 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4009 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4010 `int' when comparing against one.
4011 (cpp_file_line_for_message): Mark parameter `pfile' with
4013 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4015 * flow.c: Include recog.h.
4016 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4018 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4019 `f' with ATTRIBUTE_UNUSED.
4020 (reposition_prologue_and_epilogue_notes): Likewise.
4022 * genopinit.c (gen_insn): Cast argument of ctype functions to
4025 * haifa-sched.c: Include recog.h.
4026 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4027 comparing against one.
4029 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4031 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4033 (parse_ent): Likewise.
4034 (parse_input): Likewise.
4036 * optabs.c (init_libfuncs): Likewise.
4038 * protoize.c (find_rightmost_formals_list): Likewise.
4040 * recog.h (const_double_operand): Fix typo in prototype.
4042 * tlink.c (scan_linker_output): Cast the argument of ctype
4043 function to `unsigned char'.
4045 * toplev.c (check_lang_option): Cast the result of `strlen' to
4046 `int' when comparing against one.
4048 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4050 * gcse.c (dump_cuid_table): Correct typo.
4052 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4054 * toplev.c (display_help): Prepend '-m' to target specific
4056 (check_lang_option): Ignore text after end of first word of a
4057 language specific option.
4059 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4061 * reload1.c (reg_used_by_pseudo): New static variable.
4062 (choose_reload_regs): Initialize it.
4063 Use it instead of testing spill_reg_order to determine whether a
4064 pseudo is live in a hard register across the current insn.
4065 Fix a typo in a reference to reload_reg_rtx.
4067 * flow.c (propagate_block): Replace code that computes and uses
4068 regs_sometimes_live with simpler code that just walks the set of
4069 currently live registers.
4071 * Makefile.in (insn-extract.o): Fix dependencies.
4072 * genextract.c (main): Generate includes for insn-config.h and
4074 Delete generation of declarations which are now in recog.h.
4075 * genrecog.c (main): Delete generation of definitions which are
4077 * local-alloc.c (block_alloc): Use extract_insn and the variables
4078 it sets up instead of looking up values by insn_code.
4079 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4080 recog_dup_num): Define here instead of generating the definition in
4082 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4083 recog_operand_mode, recog_constraints, recog_operand_address_p):
4085 (extract_insn): New function.
4086 * recog.h (extract_insn): Declare function.
4087 (which_alternative, recog_n_operands, recog_n_dups,
4088 recog_n_alternatives, recog_operand_mode, recog_constraints,
4089 recog_operand_address_p): Declare variables.
4090 * regclass.c (n_occurrences): New static function.
4091 * reload.c (n_occurrences): Delete function.
4092 (find_reloads): Use extract_insn.
4093 * reload.h (n_occurrences): Delete declaration.
4095 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4097 * reload1.c (reload_as_needed): Fix test for when to call
4098 update_eliminable_offsets.
4100 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4102 Fix consistency problems with reg_equiv_{mem,address};
4103 Improve reload inheritance;
4105 * reload.c (reload_out_reg): New variable.
4106 (loc_mentioned_in_p, remove_address_replacements): New functions.
4107 (remove_replacements): Deleted.
4108 (push_reload): Set reload_out_reg[i].
4109 When merging, also set reload_{in,out}_reg[i], and remove
4110 duplicate address reloads.
4111 (combine_reloads): Copy reload_out_reg[i].
4112 (find_reloads): Do make_memloc substitution also when
4113 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4115 Include *recog_operand_loc in commutativity operand changes.
4116 Generate optional output reloads.
4117 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4118 processing operands. Call make_memloc in reg_equiv_address code.
4119 Set *recog_operand_loc only after processing operands, and only
4120 if replace is true. Return a value.
4121 When changing address reload types for operands that didn't get
4122 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4123 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4124 Don't emit USEs for pseudo SUBREGs when not replacing.
4125 (find_reloads_address): Do make_memloc substitution also when
4126 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4128 (find_reloads_toplev): Likewise.
4129 Call make_memloc in reg_equiv_address code.
4130 (debug_reload_to_stream): Add code to output reload_out_reg.
4131 (make_memloc): Delete local variable i, ifdefed out code, and
4132 references to memlocs and n_memlocs.
4133 (memlocs, n_memlocs): Delete.
4134 (push_secondary_reload): Clear reload_out_reg.
4135 (find_reloads_address_1): Provide memrefloc argument to all calls
4136 to find_reloads_address.
4137 In AUTO_INC code, handle non-directly addressable equivalences properly.
4138 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4139 (find_reloads): Add return type.
4140 (remove_address_replacements, deallocate_reload_reg): Declare.
4141 * reload1.c (num_not_at_initial_offset): No longer static.
4142 (delete_address_reloads, delete_address_reloads_1): Likewise.
4143 (deallocate_reload_reg): New function.
4144 (spill_reg_stored_to): New array.
4145 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4146 (eliminate_regs_in_insn): Move assignments of previous_offset and
4147 max_offset fields, and recalculation of num_not_at_initial_offset
4148 into new static function:
4149 (update_eliminable_offsets) .
4150 (reload_as_needed): Call update_eliminable_offsetss after calling
4152 Call forget_old_reloads_1 with contents of reloaded auto_inc
4153 expressions if the actual addressing can't be changed to match the
4155 (choose_reload_regs): For inheritance, replace
4156 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4157 remove stand-alone reload_reg_used_at_all test.
4158 Use reload_out_reg to determine which reload regs have output reloads.
4159 Treat reload_override_in more similar to inherited reloads.
4160 Handle (subreg (reg... for inheritance.
4161 For flag_expensive_optimizations, add an extra pass to remove
4162 unnecessary reloads from known working inheritance.
4163 Delete obsolete code for pseudos replaced with MEMs.
4164 Handle inheritance from auto_inc expressions.
4165 (emit_reload_insns): If reload_in is a MEM, set OLD to
4167 Don't reload directly from oldequiv; if it's a pseudo with a
4168 stack slot, use reload_in[j].
4169 Check that reload_in_reg[j] is a MEM before replacing reload_in
4170 from reg_reloaded_contents.
4171 Include non-spill registers in reload inheritance processing.
4172 Also try to use reload_out_reg to set spill_reg_store /
4173 reg_last_reload_reg.
4174 In code to set new_spill_reg_store, use single_set to find out if
4175 there is a single set.
4176 Add code that allows to delete optional output reloads.
4177 Add code to allow deletion of output reloads that use no spill reg.
4178 At the end, set reload_override_in to oldequiv.
4179 Also call delete_output_reload if reload_out_reg is equal to old
4181 Add code to call delete_output_reload for stores with no matching load.
4182 Set / use spill_reg_stored_to.
4183 Handle case where secondary output reload uses a temporary, but
4184 actual store isn't found.
4185 When looking for a store of a value not loaded in order to call
4186 delete_output_reload, count_occurences should return 0 for no
4187 loads; but discount inherited input reloadill_reg_stored_to.
4188 Do checks for extra uses of REG. Changed all
4190 Use delete_address_reloads.
4191 (reload): Take return value of find_reloads into account.
4192 If a no-op set needs more than one reload, delete it.
4193 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4194 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4195 for the same operand.
4196 (clear_reload_reg_in_use): Check for other reloads that keep a
4198 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4199 RELOAD_FOR_OPADDR_ADDR.
4200 Take into account when an address address reload is only needed
4201 for the address reload we are considering.
4202 (count_occurrences): Use rtx_equal_p for MEMs.
4203 (inc_for_reload): Return instruction that stores into RELOADREG.
4204 New argument two, IN, and rtx. Changed all callers.
4205 (calculate_needs_all_insns, reload_as_needed):
4206 Don't clear after_call for a CLOBBER.
4207 Keep track of how many hard registers need to be copied from
4208 after_call, and don't clear after_call before we have seen
4209 that much copies, or we see a different instruction.
4211 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4213 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4214 after reload has completed.
4216 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4218 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4219 a macro name and the next token with a single blank if that whitespace
4220 is in a macro buffer and the next token is not '('.
4222 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4224 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4226 (skip_if_group): Ditto.
4227 (skip_to_end_of_comment): Ditto.
4229 (discard_comments): Ditto.
4230 (change_newlines): Ditto.
4232 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4234 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4236 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4238 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4239 (TARGET_OPTIONS): Add --help documentation.
4241 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4243 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4245 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4247 * fixinc/* Moved in from ../contrib directory in preparation
4248 for integrating it into the normal build process. In particular,
4249 fixinc/Makefile.in must be config-ed into the build directory
4250 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4251 ./configure.in will be "in the mail" momentarily.
4253 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4255 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4256 accidently walk into the free list. Comment how that can happen.
4257 (invalidate): Fix indentation.
4259 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4260 Jeffrey A Law (law@cygnus.com)
4262 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4263 reload. Never perform rescans of the insn chain after reload.
4264 (propagate_block): Do not delete insn or create new autoinc addressing
4267 * jump.c (jump_optimize): Unconditionally use the code that was
4268 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4269 * reload1.c (reload): When reloading is finished, delete all
4270 REG_DEAD and REG_UNUSED notes.
4271 (emit_reload_insns): Delete all code that was conditional on
4272 PRESERVE_DEATH_INFO_REGNO_P.
4273 (no_longer_dead_regs): Delete variable.
4274 (reload_cse_delete_death_notes): Delete function.
4275 (reload_cse_no_longer_dead): Delete function.
4276 (reload_cse_regs_1): Delete all code to handle deletion of death
4278 (reload_cse_noop_set_p): Likewise.
4279 (reload_cse_simplify_set): Likewise.
4280 (reload_cse_simplify_operands): Likewise.
4281 (reload_cse_move2add): Likewise.
4282 * reorg.c (used_spill_regs): Delete declaration.
4283 (max_label_num_after_reload): Delete declaration.
4284 (find_dead_or_set_registers): Don't assume that spill regs are
4285 dead at a CODE_LABEL.
4286 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4288 * sched.c (sched_analyze_insn): Likewise.
4289 (update_flow_info): Likewise.
4290 * haifa-sched.c (sched_analyze_insn): Likewise.
4291 (update_flow_info): Likewise.
4292 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4293 * toplev.c (max_label_num_after_reload): Delete variable.
4294 (rest_of_compilation): Don't set max_label_num_after_reload.
4295 Call life_analysis after reload_cse_regs if optimizing.
4296 * config/gmicro/gmicro.h: Delete comment referring to
4297 PRESERVE_DEATH_INFO_REGNO_P.
4298 * config/i386/i386.h: Likewise.
4299 * config/m88k/m88k.h: Likewise.
4300 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4301 * config/sh/sh.h: Likewise.
4303 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4305 * loop.c (strength_reduce): Restore marking bct_p as
4307 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4308 HAVE_decrement_and_branch_on_count.
4309 (small_data_operand): Remove TARGET_ELF condition for marking
4310 parameters ATTRIBUTE_UNUSED.
4312 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4314 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4315 (SELECT_SECTION): Resync with svr4.h.
4317 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4319 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4322 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4324 * c-pragma.c (handle_pragma_token): Test for null tree before
4325 dereferencing TREE_CODE.
4327 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4329 * config/c4x/c4x.c: Convert to use GEN_INT.
4330 (c4x_parallel_process): Rework to handle new repeat loop structure.
4332 * config/c4x/c4x.md: Convert to use GEN_INT.
4333 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4334 (decrement_and_branch_on_count): Likewise.
4336 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4337 loop.c has the desired functionality.
4338 (rc_reg_operand): New prototype.
4340 * config/c4x/t-c4x: Can now build all front ends.
4342 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4344 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4346 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4348 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4349 * config/t-rtems: Do not install assert.h -- use newlib's.
4351 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4353 * combine.c (combine_instructions): When finished, call init_recog.
4354 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4356 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4358 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4360 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4362 * cppalloc.c (memory_full): Mark function prototype with
4365 * demangle.h (collect_exit): Likewise.
4367 * fix-header.c (v_fatal, fatal): Likewise.
4369 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4372 * gcov.c (print_usage): Likewise.
4374 * genattr.c (fatal, fancy_abort): Likewise.
4376 * genattrtab.c (fatal, fancy_abort): Likewise.
4378 * gencodes.c (fatal, fancy_abort): Likewise.
4380 * genconfig.c (fatal, fancy_abort): Likewise.
4382 * genemit.c (fatal, fancy_abort): Likewise.
4384 * genextract.c (fatal, fancy_abort): Likewise.
4386 * genflags.c (fatal, fancy_abort): Likewise.
4388 * genopinit.c (fatal, fancy_abort): Likewise.
4390 * genoutput.c (fatal, fancy_abort): Likewise.
4392 * genpeep.c (fatal, fancy_abort): Likewise.
4394 * genrecog.c (fatal, fancy_abort): Likewise.
4396 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4397 __sjpopnthrow, __throw): Likewise.
4399 * objc/objc-act.c (objc_fatal): Likewise.
4401 * protoize.c (usage, aux_info_corrupted,
4402 declare_source_confusing): Likewise.
4404 * rtl.c (dump_and_abort): Likewise.
4406 * rtl.h (sets_cc0_p): Likewise.
4408 * toplev.c (float_signal, pipe_closed): Likewise.
4410 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4412 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4413 when generating the decision tree for the general case.
4415 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4416 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4418 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4420 * Makefile.in (sched.o): Depend on recog.h.
4422 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4423 (unsigned) when comparing against one.
4424 (find_base_value): Likewise.
4425 (record_base_value): Cast variable `regno' to (unsigned) when
4426 comparing against one. Cast the result of REGNO() macro to
4427 (unsigned) when comparing against one.
4428 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4430 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4431 variable where an unsigned index is needed.
4433 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4434 before comparing against one.
4436 * collect2.c: Add prototypes for functions `error', `fatal' and
4437 `fatal_perror'. Make these functions take variable arguments
4438 instead of faking it with a fixed number of args.
4439 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4442 * combine.c (can_combine_p): Mark parameter `pred' with
4444 (find_split_point): Cast variable `src' to (unsigned
4445 HOST_WIDE_INT) when comparing against one.
4446 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4447 (simplify_logical): Likewise.
4448 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4449 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4450 HOST_WIDE_INT) in shift.
4451 (simplify_and_const_int): Cast result of INTVAL() macro to
4452 `unsigned HOST_WIDE_INT' when comparing against one.
4453 (merge_outer_ops): Cast variable const0 to `unsigned
4454 HOST_WIDE_INT' when comparing against the result of
4455 GET_MODE_MASK() macro.
4456 (simplify_comparison): Likewise for variable `c0'. Cast variable
4457 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4458 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4459 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4460 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4461 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4462 comparing against one.
4463 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4465 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4466 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4467 (output_block_move): Cast `sizeof' expression to (int) when
4468 comparing against one.
4469 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4471 (save_restore_insns): Cast `base_offset' to `long' to match format
4472 specifier in fprintf.
4474 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4475 to `enum machine_mode'.
4477 * flow.c (life_analysis_1): Remove unused variable `insn'.
4479 * gcc.c (translate_options): Move variables `j' and `k' into the
4480 scope in which they are used. Change their types to `size_t'.
4481 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4482 (read_specs): Likewise.
4483 (process_command): Cast `sizeof' to (int) when comparing against one.
4484 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4485 (handle_braces): Cast both sides of `==' expression to `long' to
4486 ensure sign matching.
4487 (main): Cast variable `i' to `int' when comparing against one.
4489 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4490 int to size_t. Cast variable `i' to size_t when comparing against
4493 * genattrtab.c (convert_set_attr_alternative): Remove unused
4494 parameter `insn_code'. All callers changed.
4495 (convert_set_attr): Likewise.
4497 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4498 size_t when comparing against one. Likewise for variable `len'.
4500 * global.c (global_alloc): Cast variable `max_regno' to size_t
4501 when comparing against one. Likewise for variable `max_allocno'.
4503 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4505 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4506 `set' with ATTRIBUTE_UNUSED.
4507 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4510 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4511 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4512 (get_condition): Cast variable `const_val' to `unsigned
4513 HOST_WIDE_INT' when comparing against one. Cast unsigned
4514 expression to HOST_WIDE_INT when comparing against one.
4515 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4516 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4517 `unsigned' when comparing against one.
4519 * protoize.c (is_id_char): Change type of parameter `ch' to
4521 (munge_compile_params): Cast argument of ctype macro to (const
4523 (process_aux_info_file): Cast variable `aux_info_size' to int when
4524 comparing against one.
4525 (forward_to_next_token_char): Cast argument of ctype macro to
4526 `const unsigned char'.
4527 (edit_formals_lists): Likewise.
4528 (find_rightmost_formals_list): Likewise.
4529 (add_local_decl): Likewise.
4530 (add_global_decls): Likewise.
4531 (edit_fn_definition): Likewise.
4532 (do_cleaning): Likewise.
4533 (scan_for_missed_items): Likewise.
4534 (edit_file): Cast variable `orig_size' to (int) when comparing
4536 (main): Cast argument of ctype macro to `const unsigned char'.
4538 * recog.c (const_int_operand): Mark parameter `mode' with
4541 * regclass.c (record_reg_classes): Change type of variable `c' to
4542 `unsigned char'. Cast `char' array index to `unsigned char'.
4544 * reload.c (push_secondary_reload): Cast argument to
4545 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4547 * reload1.c (calculate_needs): Cast `char' array index to
4549 (set_label_offsets): Change type of variable `i' to unsigned int.
4550 Cast result of XVECLEN() macro to unsigned when comparing against
4552 (mark_not_eliminable): Change type of variable `i' to unsigned.
4553 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4554 when comparing against one.
4555 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4556 comparing against one.
4557 (choose_reload_regs): Hide unused label `fail'.
4558 (reload_cse_simplify_operands): Cast `char' array index to
4560 (reload_combine_note_store): Mark parameter `set' with
4561 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4563 (reload_cse_move2add): Remove unused variable `src2'.
4565 * sched.c: Include recog.h.
4566 (sched_note_set): Remove unused parameter `b'. All callers
4568 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4569 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4570 when comparing against one.
4572 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4573 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4574 comparing against one.
4576 * unroll.c (precondition_loop_p): Remove unused parameter
4577 `loop_end'. All callers changed.
4579 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4581 * reload1.c (maybe_fix_stack_asms): New static function.
4584 * reload.h (compute_use_by_pseudos): Declare.
4586 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4587 (something_needs_reloads): Delete variable.
4588 (finish_spills): New function.
4589 (compute_use_by_pseudos): New function.
4591 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4592 Use the reload_insn_chain instead of walking the rtl directly.
4594 (reload): Allocate and free spilled_pseudos.
4595 Ensure that all calls of spill_hard_reg are followed by a call to
4597 Use the insns_need_reload list instead of something_needs_reloads
4598 to find out if reload_as_needed must be called.
4599 Clear unused_insn_chains at the end.
4601 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4603 Delete code to keep track of current basic block.
4604 Walk reload_insn_chain instead of the rtl structure. Build the
4605 insns_need_reload chain.
4606 Remember which insns need reloading/elimination by setting the
4607 appropriate fields in struct insn_chain, not by putting modes on the
4610 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4611 arg INSN. All callers changed.
4612 Delete declaration of struct needs.
4613 Don't set something_needs_reloads.
4614 Record insn needs in the CHAIN argument.
4616 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4618 (reload_as_needed): Lose FIRST arg. All callers changed.
4619 Walk the reload_insn_chain instead of the rtx structure.
4620 Delete code to keep track of current basic block.
4621 Rename one of the NEXT variables to OLD_NEXT.
4623 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4625 (choose_reload_regs): Likewise.
4627 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4630 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4631 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4632 (hard_regs_live, hard_regs_need_restore): Delete variables.
4633 (n_regs_saved): Now static.
4634 (referenced_regs, this_insn_sets): New variables.
4636 (setup_save_areas): Restructure the code a bit.
4638 (restore_referenced_regs): Delete function.
4639 (mark_referenced_regs): New function, similar to the old
4640 restore_referenced_regs, but mark registers in referenced_regs.
4642 (clear_reg_live): Delete function.
4643 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4644 Only mark registers in this_insn_sets.
4646 (save_call_clobbered_regs): Rework this function to walk the
4647 reload_insn_chain instead of using the list of instructions directly.
4648 Delete code to keep track of register lives, compute live regs on the
4649 fly from information in the chain.
4650 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4651 then walk the set it computes and call insert_restore as appropriate.
4653 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4655 Restructure the code a bit. Test hard_regs_saved instead of
4656 hard_regs_need_restore.
4657 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4658 args. All callers changed.
4659 Restructure the code a bit. Use TO_SAVE to determine which regs to
4660 save instead of more complicated test.
4661 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4663 Create a new insn_chain structure for the new insn and place it
4666 * rtl.texi: Update documentation to reflect that reload no longer
4667 puts modes on the insns.
4669 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4671 * function.c (purge_addressof_1): Force the first argument of a
4672 CALL insn to memory.
4674 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4676 * rtl.h: Delete duplicate prototypes. Add some missing
4678 * rtlanal.c: (for_each_rtx): Formatting tweak.
4680 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4682 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4683 to be compatible with TI compiler.
4685 * Makefile.in (USER_H): Add va-c4x.h to definition.
4687 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4689 * function.c (purge_addressof_1): Fix typo in inequality: do
4690 bitfield optimization for equal mode sizes.
4691 * expmed.c (store_bit_field): Don't take subregs of subregs in
4692 the movstrict case. Tidy a potential problem in the multi-word case.
4693 (extract_bit_field): Likewise.
4695 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4697 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4699 Compute max_uid_for_flow by calling get_max_uid after the scan.
4700 (find_basic_blocks_1): Don't emit NOPs here.
4702 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4704 * alias.c (base_alias_check): Accept new args for the modes of the
4705 two references. Use them to determine if an AND can overlap. Update
4707 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4708 to determine if an AND can overlap.
4710 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4712 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4713 check. Add comment to document problems with TARGET_SUN_FPA version
4715 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4717 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4719 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4721 * c-common.c (print_char_table): Add missing initializers.
4722 (scan_char_table): Likewise.
4723 (time_char_table): Likewise.
4725 * c-decl.c (c_decode_option): Mark parameter `argc' with
4727 (declare_parm_level): Mark parameter `definition_flag' with
4730 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4731 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4734 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4736 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4738 (expand_call): Cast result of MIN() to (unsigned int) when
4739 comparing against an unsigned value.
4741 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4743 (make_definition): Remove unused parameter `op'. All callers
4745 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4746 comparing against the result of pointer arithmetic.
4748 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4749 when comparing against one.
4751 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4752 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4754 (output_die): Move variable `i' into the scope in which it is
4755 used. Change its type to `unsigned'.
4756 (output_die): Cast the result of `strlen' to (int) when passing it
4757 to ASM_OUTPUT_ASCII().
4758 (output_pubnames): Likewise.
4759 (output_line_info): Likewise.
4761 * emit-rtl.c (global_rtl): Add missing initializers.
4763 * explow.c (promote_mode): Mark parameter `for_call' with
4766 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4767 `unsigned HOST_WIDE_INT' when comparing against one.
4768 (synth_mult): Change type of variable `cost' to int.
4769 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4771 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4772 when comparing against one.
4773 (get_inner_reference): Change variable `alignment' to unsigned.
4774 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4775 int) when comparing against one.
4776 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4778 * fold-const.c (div_and_round_double): Cast BASE to
4779 (HOST_WIDE_INT) when comparing against one.
4781 * gencheck.c: Include gansidecl.h.
4782 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4784 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4785 `tcode' with ATTRIBUTE_UNUSED.
4787 * real.c (edivm): Cast constant value to (unsigned long) in
4788 expression compared against an unsigned value.
4790 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4791 comparing against one.
4792 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4793 when comparing against one.
4795 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4796 (unsigned int) when comparing against one. Likewise for
4798 (smallest_mode_for_size): Likewise.
4799 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4800 (restore_storage_status): Likewise.
4802 * toplev.c (debug_args): Add missing initializer.
4803 (f_options): Spelling correction. Add missing initializers.
4804 (documented_lang_options): Likewise.
4805 (debug_end_source_file): Mark parameter `lineno' with
4808 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4809 `decl' and `type' with ATTRIBUTE_UNUSED.
4811 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4812 when comparing against one.
4813 (assemble_variable): Mark parameter `top_level' with
4815 (assemble_external_libcall): Mark parameter `fun' with
4817 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4820 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4822 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4823 Replace use of r5 with use of r19.
4825 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4827 * config/v850/v850.c (compute_register_save_size): Allow for the
4828 fact that helper functions save all registers, not just those used
4831 Replace constant 31 with macro LINK_POINTER_REGNUM.
4833 * config/v850/v850.md: Use 'indirect_operand' rather than
4834 'memory_operand' for bit test/set/clear patterns.
4836 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4838 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4839 * varasm.c (assemble_start_function et al): Don't call
4840 ASM_GLOBALIZE_LABEL for weak symbols.
4842 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4844 * cse.c (equiv_constant): Check for NULL return from
4845 gen_lowpart_if_possible().
4847 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4849 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4851 * collect2.c (main): Pass -EL/-EB through to the compiler.
4853 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4855 * expr.c (push_block): Handle targets where the stack grows
4856 to higher addresses, but args grow to lower addresses and
4857 ACCUMULATE_OUTGOING_ARGS is not defined.
4859 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4861 * config/v850/v850.c (print_operand): Extend meaning
4862 of 'c' operands to support .vtinherit.
4864 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4866 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4867 Added ATTRIBUTE_UNUSED to unused function arguments.
4868 (rc_reg_operand): New predicate.
4869 (c4x_rptb_insert): New function.
4870 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4871 (c4x_optimization_options): New function.
4873 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4874 (decrement_and_branch_on_count): New pattern.
4875 (rptb_top): Modified pattern to work with BCT optimization.
4877 * config/c4x/c4x.h (RC_REG): New register class.
4878 (rc_reg_operand): Define prototype.
4879 (IS_RC_REG): New macro.
4880 (IS_RC_OR_PSEUDO_REG): New macro.
4881 (IS_RC_OR_PSEUDO_REGNO): New macro.
4882 (OPTIMIZATION_OPTIONS): Define.
4884 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4886 * collect2.c (extract_init_priority): No priority is 65535.
4888 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4890 * Makefile.in (build_tooldir): new variable, same as old
4891 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4892 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4893 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4895 * configure.in (gxx_include_dir): set default based on unlibsubdir
4896 * Makefile.in (tooldir): ditto
4897 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4898 gxx_include_dir, includedir and tooldir
4899 (protoize.o, unprotoize.o): ditto
4901 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4903 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4905 * config/arm/thumb.c (thumb_override_options): Add warning about
4906 PIC code not being supported just yet.
4908 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4910 * flow.c: Update comment.
4911 (notice_stack_pointer_modification): New static function.
4912 (record_volatile_insns): Use it.
4913 (mark_regs_live_at_end): Mark the stack pointer as alive
4914 at the end of the function if current_function_sp_is_unchanging
4916 (life_analysis_1): Set current_function_sp_is_unchanging.
4917 * function.c: Define it.
4918 (init_function_start): Initialize it.
4919 * output.h: Declare it.
4920 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4921 the stack pointer as alive at the end of the function if
4922 current_function_sp_is_unchanging is set.
4923 * i386.c (ix86_epilogue): Optimize the restoring
4924 of the stack pointer.
4926 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4928 * version.c: Bump for snapshot.
4930 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4932 * c-pragma.c (handle_pragma_token): If passed a token instead
4933 of a tree, use that as the pack value.
4935 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4937 * flow.c (find_basic_blocks_1): Fix prototype.
4939 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4941 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4942 (struct tree_decl): New fields no_check_memory_usage.
4943 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4944 (init_attributes): Register it as a new attribute.
4945 (decl_attributes): Set flags on functions given that attribute.
4946 * c-decl.c (duplicate_decls): Merge new attribute.
4947 * expr.h (current_function_check_memory_usage): Declare new var.
4948 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4949 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4950 current_function_check_memory_usage.
4951 * function.h: Add field to struct function.
4952 * function.c (current_function_check_memory_usage): Define it.
4953 (push_function_context_to, pop_function_context_from): Save and
4955 (expand_function_start): Set it, based on global flag and function
4958 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4959 check non-automatic variables, to permit detection of writes to
4960 read-only locations in embedded systems without memory management.
4961 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4962 when emitting chkr_set_right_libfunc call, even if the argument is
4963 BLKmode or variable-sized; don't abort.
4965 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4966 symbols in Pmode, not VOIDmode.
4968 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4970 * cppexp.c: When forcing unsigned comparisons, cast both sides
4973 * cpphash.h: Move static declaration of hashtab[]...
4974 * cpphash.c: ...here.
4976 * cpplib.c: Cast difference of two pointers to size_t before
4977 comparing it to size_t. Cast signed to unsigned
4978 before comparing to size_t. (FIXME: struct argdata should use
4979 unsigned buffer sizes.)
4980 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4981 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4982 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4983 size_t before comparison.
4985 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4987 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4988 (find_basic_blocks_1): Similarly.
4989 * output.h (find_basic_blocks): Fix prototype.
4990 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4991 find_basic_blocks anymore.
4993 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4995 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4996 (sbitmap_free, sbitmap_vector_free): New macros.
4997 * output.h (rtl_dump_file): Declare.
4999 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5001 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5003 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5005 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5007 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5008 (divide): Remove unused variable `tmp'.
5009 (si_to_float): Cast numeric constant to (SItype) before comparing
5012 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5014 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5015 * gcc.c (add_preprocessor_option): Correct typo when allocating
5016 memory, sizeof() argument had one too many `*'.
5017 (add_assembler_option): Likewise.
5018 (add_linker_option): Likewise.
5019 * gcov.c (output_data): Likewise.
5020 * local-alloc.c (memref_used_between_p): Likewise.
5021 (update_equiv_regs): Likewise.
5022 * loop.c (strength_reduce): Likewise.
5023 * reg-stack.c (record_asm_reg_life): Likewise.
5024 (subst_asm_stack_reg): Likewise.
5025 * reorg.c (dbr_schedule): Likewise.
5027 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5029 * flow.c (life_analysis_1): Break out some functions.
5030 (find_basic_blocks_1): Likewise. Also move some variables out and
5032 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5033 new static var nonlocal_label_list with it.
5034 (active_eh_region, nested_eh_region, label_value_list,
5035 nonlocal_label_list): New static variables.
5036 (make_edges, delete_unreachable_blocks, delete_block): New static
5037 functions, broken out of find_basic_blocks_1.
5038 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5039 noop_move_p): New static functions, broken out of life_analysis_1.
5041 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5043 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5044 Take extra care for op0 now possibly being a subreg.
5045 (extract_bit_field): Likewise.
5046 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5047 the reg to memory if there is no equal sized integral mode.
5048 * stor-layout.c (int_mode_for_mode): New function.
5049 * machmode.h: Prototype it.
5051 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5053 * global.c (build_insn_chain): Verify no real insns exist past the
5054 end of the last basic block, then exit the loop.
5056 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5058 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5060 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5062 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5064 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5066 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5068 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5070 * flow.c (find_basic_blocks): Correctly determine when a call
5071 is within an exception region.
5073 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5075 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5077 * cpplib.h: Protect from multiple inclusions.
5078 * cpplib.c: Fix minor formatting problems.
5080 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5082 * jump.c (jump_optimize): Revert accidental patch.
5084 * Makefile.in (cpplib.o): Use unlibsubdir.
5086 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5088 * loop.c (get_condition): Allow combine when either compare is
5091 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5093 * version.c: Bump for snapshot.
5095 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5097 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5098 (init_lex): Initialize ridpointers[RID_BYREF].
5099 * c-lex.h (enum rid): Add RID_BYREF.
5100 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5101 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5102 (encode_type_qualifiers): Similarly
5103 * c-gperf.h: Rebuilt.
5105 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5107 * c-common.c (type_for_mode): Only return TItype nodes when
5108 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5109 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5110 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5111 (init_decl_processing): Only create TItype nodes when
5112 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5113 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5114 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5116 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5118 * stmt.c (n_occurrences): New static function.
5119 (expand_asm_operands): Verify that all constrains match in the
5120 number of alternatives.
5121 Verify that '+' or '=' are at the beginning of an output constraint.
5122 Don't allow '&' for input operands.
5123 Verify that '%' isn't written for the last operand.
5124 * reload.c (find_reloads): Abort if an asm is found with invalid
5125 constraints; all possible problems ought to be checked for earlier.
5127 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5129 * flags.h (flag_branch_on_count_reg): Always declare
5130 * toplev.c (flag_branch_on_count_reg): Likewise.
5131 * toplev.c: Fix typos.
5133 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5136 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5138 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5140 (find_basic_blocks_1): Add a nop to the end of a basic block when
5141 a trailing call insn does not have abnormal control flow.
5142 * gcse.c (pre_transpout): New variable.
5143 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5144 (compute_pre_transpout): Calculate it.
5145 (compute_pre_ppinout): Use it to eliminate impossible placements
5146 due to abnormal control flow through calls.
5147 (compute_pre_data): Call compute_pre_transpout.
5149 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5151 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5153 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5155 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5156 and matching define_insns): Tack on a `use' of the table label, so
5157 flow analysis will recognize a tablejump.
5159 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5161 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5162 always end basic blocks for abnormal edge reasons.
5164 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5166 * config/i386/i386.h: Remove definition of
5167 HANDLE_PRAGMA_PACK_PUSH_POP.
5169 * config/i386/go32.h: Add definition of
5170 HANDLE_PRAGMA_PACK_PUSH_POP.
5172 * config/i386/win32.h: Add definition of
5173 HANDLE_PRAGMA_PACK_PUSH_POP.
5175 * config/i386/cygwin32.h: Add definition of
5176 HANDLE_PRAGMA_PACK_PUSH_POP.
5178 * c-pragma.c (insert_pack_attributes): Do not insert
5179 attributes unless #pragma pack(push,<n>) is in effect.
5181 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5183 * expr.c (emit_group_store): Handle a PARALLEL destination.
5185 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5187 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5188 the new insns before the argument regs are loaded.
5190 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5192 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5193 (c-parse.gperf): Update comments describing invocation flags.
5194 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5196 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5198 * reload1.c (reload): Call free before clobbering the memory
5199 locations or constants pointers.
5201 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5203 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5204 for efficiency by checking whether we need to modify the current
5205 stack permission at all.
5206 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5207 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5208 __enable_execute_stack libcall here too if
5209 TRANSFER_FROM_TRAMPOLINE is defined.
5210 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5213 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5215 * Makefile.in (DRIVER_DEFINES): Remove last change.
5217 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5219 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5220 insns we're going to copy.
5221 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5223 * loop.c (count_one_set): Add prototype.
5225 * caller-save.c (restore_referenced_regs): Lose mode argument.
5226 (insert_save): Lose mode argument.
5227 (insert_restore): Lose mode argument.
5228 (insert_one_insn): Lose mode argument.
5229 (save_call_clobbered_regs): Lose mode argument.
5230 (setup_save_areas): Take no argument and return void. All callers
5232 Don't verify validity of memory addresses.
5233 * reload.h (setup_save_ares): Adjust prototype.
5234 (save_call_clobbered_regs): Likewise.
5235 * reload1.c (delete_caller_save_insns): New function.
5236 (caller_save_spill_class): Delete variable.
5237 (caller_save_group_size): Delete variable.
5238 (reload): Call setup_save_areas and save_call_clobbered_regs
5239 in the main loop, before calling calculate_needs_all_insns.
5240 Don't call save_call_clobbered_regs after the loop.
5241 Call delete_caller_save_insns at the end of an iteration if
5243 Delete code to manage caller_save_spill_class.
5244 Emit the final note before setting reload_first_uid.
5245 Simplify test that determines whether reload_as_needed gets run.
5246 (calculate_needs): Delete code to manage caller_save_spill_class.
5248 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5250 * collect2.c (main): Initialize ld_file_name.
5252 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5254 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5255 check for flag_function_sections.
5257 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5259 * cse.c (insert_regs): Fix bug in Sep 24 change.
5261 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5263 * flags.h (flag_dump_unnumbered): Declare.
5264 * toplev.c (flag_dump_unnumbered): Don't declare.
5265 * print-rtl.c (flags.h): Include.
5266 (print_rtl_single): Add return value.
5267 * rtl.h (print_rtl_single): Update declaration.
5268 * flow.c (flag_dump_unnumbered): Don't declare.
5269 (print_rtl_with_bb): Use return value of print_rtl_single.
5271 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5273 * loop.c (count_one_set): New static function, broken out of
5275 (count_loop_regs_set): Call it.
5276 * global.c (mark_reg_store): Handle clobbers here by not calling
5278 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5279 is in fact a clobber.
5280 * integrate.c (process_reg_param): New function, broken out of
5281 expand_inline_function.
5282 (expand_inline_function): Call it.
5285 * i386.md (addsidi3_1): Delete unused variable temp.
5286 (addsidi3_2): Likewise.
5287 (clstrstrsi): Delete unused variable addr1.
5289 * rtl.h: Don't declare any functions also declared in recog.h.
5291 * Makefile.in (stupid.o): Update dependencies.
5292 (global.o): Likewise.
5294 * global.c: Include reload.h
5295 (reg_becomes_live): New function.
5296 (reg_dies): New function.
5297 (build_insn_chain): New function.
5298 (global_alloc): Call build_insn_chain before calling reload.
5300 * reload.h (struct needs): New structure definition.
5301 (struct insn_chain): Likewise.
5302 (reload_insn_chain): Declare variable.
5303 (new_insn_chain): Declare function.
5306 * reload1.c (reload_startobj): New variable.
5307 (reload_insn_chain): New variable.
5308 (unused_insn_chains): New variable.
5309 (new_insn_chain): New function.
5310 (init_reload): Initialize reload_startobj, not reload_firstobj.
5311 (reload): Initialize reload_firstobj.
5312 Before returning, free everything on the reload_obstack.
5314 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5315 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5316 current_chain): New variables.
5317 (reg_where_born): Delete variable.
5318 (REG_WHERE_BORN): New macro.
5319 (find_clobbered_regs): New function.
5320 (stupid_life_analysis): Don't allocate/free reg_where_born.
5321 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5322 reg_where_dead_chain.
5323 Use REG_WHERE_BORN instead of reg_where_born.
5324 While processing the insns, build the reload_insn_chain with
5325 information about register lifetimes.
5326 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5327 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5329 Compute and information about birth and death of pseudo registers in
5330 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5331 Delete code to set elements of reg_where_born.
5333 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5335 * tree.def (GOTO_EXPR): Modified documentation.
5336 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5339 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5341 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5342 loop_final_value, loop_comparison_code): No longer static.
5343 (unroll_loop): Delete loop_start_value update.
5344 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5345 loop_final_value, loop_comparison_code): Extern.
5346 (loop_start_value): Delete extern.
5347 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5348 loop_comparison_value, loop_comparison_code): Delete.
5349 (loop_optimize): Remove initialization for deleted variables.
5350 (strength_reduce): Delete analyze_loop_iterations call. Only call
5351 insert_bct if flag_branch_count_on_reg set.
5352 (analyze_loop_iterations): Delete.
5353 (insert_bct): Remove iteration count calculation. Move checks for
5354 viable BCT optimization to here. Obtain iteration count from
5355 loop_iterations and correct for unrolling. Check for enough
5356 iteration to be beneficial. Comment out runtime iteration count
5358 (insert_bct): Print iteration count in dump file. Remove
5359 loop_var_mode and use word_mode directly.
5361 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5362 * rs6000.c (rs6000_override_options): Use it.
5363 (optimization_options): Enable use of flag_branch_on_count_reg.
5364 * rs6000.md (define_function_unit): Describe 604e.
5366 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5368 * loop.c (move_movables): Corrected threshold calculation for
5369 moved_once registers.
5371 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5373 * loop.c (combine_givs_p): Fix test for identical givs.
5375 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5377 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5378 call abort if the function is already defined.
5380 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5382 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5383 truncation is not a no-op.
5385 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5387 * version.c: Bump for snapshot.
5389 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5391 * version.c: Bump for snapshot.
5393 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5395 * expmed.c (expand_divmod): Don't widen for computing remainder
5396 if we seem to have a divmod pattern for needed mode.
5398 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5400 * cpplib.c (macroexpand): Correct off-by-one error in handling
5403 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5405 * combine.c (expand_field_assignment): Don't do bitwise operations
5406 on MODE_FLOAT; pun to MODE_INT if possible.
5408 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5409 scott snyder <snyder@d0sgif.fnal.gov>
5411 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5412 linker. Recognize mangled names in quotes.
5414 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5416 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5417 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5418 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5419 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5421 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5423 * function.c (purge_addressof_1): If trying to take a sub-word
5424 integral piece of a floating point mode, put it on the stack.
5426 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5428 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5430 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5432 * PROJECTS: Remove template friends.
5434 * collect2.c (sort_ids): Remove unused variable.
5436 * tm.texi (MATH_LIBRARY): Document.
5437 (NEED_MATH_LIBRARY): Remove.
5439 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5440 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5442 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5444 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5445 last_end to 0x7fffffff.
5447 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5449 * function.c (purge_addressof_1): Do not perform endianness
5450 corrections on bitpos, who we call will do it for us.
5452 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5454 * h8300.c (WORD_REG_USED): Fix typo.
5455 (initial_offset): Use WORD_REG_USED.
5457 * h8300.c (handle_pragma): Fix typo.
5459 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5461 * caller-save.c (insert_save_restore): Break this function up
5462 into new functions insert_restore, insert_save and insert_one_insn.
5463 All callers changed.
5464 (insert_restore): New function, mostly broken out of
5465 insert_save_restore.
5466 (insert_save): Likewise.
5467 (insert_one_insn): Likewise.
5468 (restore_referenced_regs): New argument BLOCK. All callers changed.
5469 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5470 in this function, do it in insert_one_insn instead.
5472 * reload1.c (reload): Break out some more pieces into separate
5474 (dump_needs): New function, broken out of reload.
5475 (set_initial_elim_offsets): Likewise.
5476 (init_elim_table): Likewise.
5477 (update_eliminables): Likewise.
5479 * global.c (global_alloc): Delete code to manage the scratch_list.
5480 * local-alloc.c (qty_scratch_rtx): Delete.
5481 (scratch_block): Delete.
5482 (scratch_list): Delete.
5483 (scratch_list_length): Delete.
5484 (scratch_index): Delete.
5485 (alloc_qty_for_scratch): Delete.
5486 (local-alloc): Update initialization of max_qty.
5487 Delete code to manage the scratch list.
5488 Delete code to allocate/initialize qty_scratch_rtx.
5489 (block_alloc): Don't allocate quantities for scratches.
5490 Delete code to manage the scratch list.
5491 * regs.h (scratch_list): Delete declaration.
5492 (scratch_block): Delete declaration.
5493 (scratch_list_length): Delete declaration.
5494 * reload1.c (reload): Delete code to manage the scratch list.
5495 (spill_hard_reg): Likewise.
5496 (mark_scratch_live): Delete.
5498 * recog.c (alter_subreg): Delete declaration.
5500 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5502 * Makefile.in (cccp.o): Fix typo in last patch.
5504 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5506 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5507 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5509 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5511 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5512 NULL_RTX as an argument.
5514 * Makefile.in (unlibsubdir): Define.
5515 (DRIVER_DEFINES): Use unlibsubdir.
5516 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5517 (stmp-fixinc): Similarly.
5519 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5521 * regmove.c (regmove_optimize): Add variable old_max_uid.
5522 At the end of the function, update basic_block_end.
5524 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5526 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5527 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5530 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5532 * config/arm/arm.c: Improve interworking support.
5534 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5536 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5537 copied from reload_out[r] .
5539 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5541 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5542 with more than three size ranges.
5544 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5546 * rtl.c (mode_name): Add a null string at the end of the array.
5547 (mode_wider_mode): Change type to unsigned char.
5548 (mode_mask_array): New variable.
5549 (init_rtl): Update for mode_wider_mode type change.
5551 * rtl.h (mode_wider_mode): Change type to unsigned char.
5552 (mode_mask_array): Declare.
5553 (GET_MODE_MASK): Use mode_mask_array.
5555 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5557 * calls.c (expand_call) : Encapsulate code into
5558 copy_blkmode_from_reg.
5559 * expr.c (copy_blkmode_from_reg): New function.
5560 * expr.h (copy_blkmode_from_reg): New function.
5561 * integrate.c (function_cannot_inline_p): We can inline
5563 (expand_inline_function): Use copy_blkmode_from_reg
5564 if needed. Avoid creating BLKmode REGs.
5565 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5568 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5570 * config/v850/v850.c: Add function prototypes.
5571 Add support for v850 special data areas.
5573 * config/v850/v850.h: Add support for v850 special data areas.
5575 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5576 HANDLE_PRAGMA_PACK_PUSH_POP.
5577 (push_alignment): New function: Cache an alignment requested
5578 by a #pragma pack(push,<n>).
5579 (pop_alignment): New function: Pop an alignment from the
5581 (insert_pack_attributes): New function: Generate __packed__
5582 and __aligned__ attributes for new decls whilst a #pragma pack
5584 (add_weak): New function: Cache a #pragma weak directive.
5585 (handle_pragma_token): Document calling conventions. Add
5586 support for #pragma pack(push,<n>) and #pragma pack (pop).
5588 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5589 are defined enable HANDLE_PRAGMA_PACK.
5590 Move 'struct weak_syms' here (from varasm.c).
5591 Add pragma states for push and pop pragmas.
5593 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5596 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5597 HANDLE_GENERIC_PRAGMAS.
5599 * varasm.c: Move definition of 'struct weak_syms' into
5601 (handle_pragma_weak): Deleted.
5603 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5605 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5607 * c-decl.c (start_function): Add invocation of
5608 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5610 * tm.texi: Remove description of non-existant macro
5611 SET_DEFAULT_SECTION_NAME.
5613 (HANDLE_SYSV_PRAGMA): Document.
5614 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5616 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5618 * config.sub: Recognize i[34567]86-pc-udk as new target.
5619 * configure.in: Likewise.
5620 * config/i386/t-udk: New file.
5621 * config/i386/udk.h: New file.
5623 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5625 * reorg.c (check_annul_list_true_false): Remove unused variables.
5626 (steal_delay_list_from_target): Add missing "used_annul" variable.
5627 (try_merge_delay_insns): Close out half formed comment.
5629 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5631 * cpplib.c (macroexpand): If arg->raw_before or
5632 arg->raw_after, remove any no-reexpansion escape at the
5633 beginning of the pasted token. Correct handling of whitespace
5634 markers and no-reexpand markers at the end if arg->raw_after.
5636 * toplev.c (documented_lang_options): Recognize -include,
5637 -imacros, -iwithprefix, -iwithprefixbefore.
5638 * cpplib.c (cpp_start_read): Process -imacros and -include
5639 switches at the same time and in command-line order, after
5640 initializing the dependency-output code. Emit properly nested
5641 #line directives for them. Emit a #line for the main file
5642 before processing these switches, and don't do it again
5645 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5647 * function.c (purge_addressof_1): Use bitfield manipulation
5648 routines to handle mem mode < reg mode.
5650 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5652 * reorg.c (try_merge_delay_insns): Account for resources referenced
5653 in each instruction in INSN's delay list before trying to eliminate
5654 useless instructions. Similarly when looking at a trial insn's delay
5657 * reorg.c (check_annul_list_true_false): New function.
5658 (steal_delay_list_from_{target,fallthrough}): Call it and also
5659 refine tests for when we may annul if already filled a slot.
5660 (fill_slots_from_thread): Likewise.
5661 (delete_from_delay_slot): Return newly-created thread.
5662 (try_merge_delay_isns): Use its new return value.
5664 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5666 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5667 used to compute a giv or as some other non-counting use.
5669 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5671 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5672 * local-alloc.c (find_free_reg): Use it.
5673 * global.c (find_reg): Likewise.
5674 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5676 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5677 * caller-save.c (init_caller_save): Use it.
5678 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5680 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5682 * configure.in: Add --enable-cpplib option which uses cpplib
5683 for cpp, but doesn't link cpplib into cc1. Make help text
5684 capitalization consistent.
5685 * configure: Rebuilt.
5687 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5689 * function.c (gen_mem_addressof): If the address REG is
5690 REG_USERVAR_P make the new REG be so also.
5691 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5692 in an attempt to clarify slightly.
5694 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5696 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5697 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5699 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5701 * toplev.c: Fix last patch.
5703 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5705 * loop.c (get_condition): Fix typo in May 9 change.
5707 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5709 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5711 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5713 * toplev.c (documented_lang_options): Spelling corrections.
5715 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5717 * configure.in: new flags --with-ld and --with-as, equivalent
5718 to setting LD and AS environment variables. Test whether
5719 specified arguments are GNU commands, and report them with
5720 checking messages. Use the specified AS for configure
5723 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5725 * gcc.c (find_a_file): when looking for `as' and `ld', return
5726 the DEFAULT program if it exists
5727 * collect2.c (main): use DEFAULT_LINKER if it exists
5729 * gcc.c (find_a_file): the test for existence of a full
5730 pathname was reversed
5732 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5734 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5735 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5737 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5739 * tree.h (TYPE_BINFO): Document.
5741 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5743 * i386-coff.h (dbxcoff.h): Added.
5745 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5747 * toplev.c: fix bad patch around flag_data_sections.
5749 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5751 * reload1.c (reload): Use reload_address_index_reg_class and
5752 reload_address_base_reg_class when setting
5753 caller_save_spill_class. (Patch generated by Jim Wilson:
5756 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5758 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5759 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5760 * expr.c (store_field): Add alias_set parameter. Set the
5761 MEM_ALIAS_SET accordingly, if the target is a MEM.
5762 (expand_assignment): Use it.
5763 (store_constructor_field): Pass 0.
5764 (expand_expr): Likewise.
5766 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5768 * flags.h: Add flag_data_sections.
5769 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5770 (compile_file): Error if flag_data_sections not supported.
5771 * varasm.c (assemble_variable): Handle flag_data_sections.
5772 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5773 * config/mips/elf.h: Likewise.
5774 * config/mips/elf64.h: Likewise.
5775 * invoke.texi: Describe -fdata-sections.
5777 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5779 * invoke.texi (-ffloat-store): Clarify that this option
5780 does not affect intermediate results -- only variables.
5782 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5784 * cpp.texi: Update for Fortran usage from Craig.
5786 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5788 * rs6000.c (function_arg_boundary): Revert accidental change on
5791 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5793 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5794 (output_mi_thunk): Declare.
5796 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5797 (output_function_profiler): Use r12 for temp, instead of r11 so
5798 that we preserve the static chain register.
5800 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5802 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5804 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5806 * sh.c (gen_shl_sext): Fix case 5.
5808 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5810 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5812 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5814 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5815 accessing variables until they are initialized via va_arg().
5817 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5819 * reload1.c (reload_combine): Initialize set before using.
5821 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5823 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5826 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5828 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5829 operand3 with mask before using it. Patch provided by Jim Wilson.
5831 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5833 * config/sparc/sparc.c (function_value): Perform the equivalent of
5834 PROMOTE_MODE for ARCH64.
5835 (eligible_for_epilogue_delay): Allow DImode operations in delay
5836 slot of a return for ARCH64.
5838 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5840 * sh.md (sqrtsf2): Fix mode of sqrt.
5842 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5844 * reload1.c (choose_reload_regs): Also try inheritance when
5845 reload_in is a stack slot of a pseudo, even if we already got a
5848 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5850 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5851 (reload_cse_regs): New function body: call reload_cse_regs_1,
5852 reload_combine, reload_cse_move2add.
5853 When doing expensive_optimizations, call reload_cse_regs_1 a
5854 second time after reload_cse_move2add.
5855 (reload_combine, reload_combine_note_store): New functions.
5856 (reload_combine_note_use): New function.
5857 (reload_cse_move2add, move2add_note_store): New functions.
5859 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5861 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5862 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5864 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5865 more than 3 such reloads.
5867 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5868 RELOAD_FOR_X_ADDR_ADDR reload.
5870 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5872 * expr.c (store_constructor): When initializing a field that is smaller
5873 than a word, at the start of a word, try to widen it to a full word.
5875 * cse.c (cse_insn): When we are about to change a register,
5876 remove any invalid references to it.
5878 (remove_invalid_subreg_refs): New function.
5879 (mention_regs): Special treatment for SUBREGs.
5880 (insert_regs): Don't strip SUBREG for call to mention_regs.
5881 Check if reg_tick needs to be bumped up before that call.
5882 (lookup_as_function): Try to match known word_mode constants when
5883 looking for a norrower constant.
5884 (canon_hash): Special treatment for SUBREGs.
5886 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5888 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5889 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5890 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5891 and offsets in actual stack trampoline code so they match the
5892 commentary and actually work.
5894 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5896 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5898 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5899 tmake_file. Set extra_parts to needed crt objects.
5900 * configure: Rebuilt.
5901 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5902 (TARGET_DEFAULT): Set if default is v9 or ultra.
5903 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5904 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5905 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5906 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5907 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5908 (TARGET_VERSION): Define.
5909 (MULTILIB_DEFAULT): Define.
5910 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5911 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5912 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5914 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5915 * config/sparc/sparc.c (sparc_override_options): If arch and
5916 pointer size disagree, emit diagnostic and fix it up. If
5917 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5918 V8PLUS in 64-bit mode.
5919 * config/sparc/t-linux64: New file.
5920 * config/sparc/t-sol2-64: New file.
5921 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5922 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5923 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5924 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5925 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5926 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5928 (STARTFILE_SPEC): Set approriately based upon those.
5929 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5930 disposition of DEFAULT_ARCH32_P.
5931 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5932 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5933 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5934 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5935 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5937 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5939 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5941 * rtl.h (init_virtual_regs): New function.
5942 * emit-rtl.c (init_virtual_regs): Define.
5943 (insn_emit): Use it.
5944 * integrate.c (save_for_inline_copying): Likewise.
5946 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5948 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5949 (enum reg_class): Add NONARG_LO_REGS support.
5950 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5951 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5952 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5953 completes. Re-enable HImode REG+OFFSET addresses.
5954 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5956 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5958 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5960 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5961 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5962 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5964 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5966 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5967 jumps as a single entity, taking into account the size of the
5970 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5972 * tree.def (SWITCH_EXPR): New tree node definition.
5974 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5976 * version.c: Bump for snapshot.
5978 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5980 * version.c: Bump for snapshot.
5982 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5984 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5987 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5989 * Revert this patch.
5990 * reload.c (find_reloads): Do not replace a pseudo with
5991 (MEM (reg_equiv_addr)) in the initializing insn for the
5994 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5996 * final.c (final_scan_insn): Disable tracking CC across branches.
5998 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6000 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6001 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6002 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6003 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6004 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6006 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6008 * toplev.c (rest_of_compilation): Skip compiling anything with
6009 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6011 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6013 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6014 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6015 use in_libcall_block.
6016 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6017 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6020 Mon Sep 21 14:02:23 1998
6022 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6023 typo in no-fancy-math-387 description.
6025 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6027 * version.c: Bump for snapshot.
6029 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6031 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6033 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6035 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6036 documented in install.texi.
6037 (TARGET_OPTIONS) Likewise.
6039 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6041 * version.c: Bump for snapshot.
6043 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6045 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6046 * cccp.c (main): Likewise.
6048 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6049 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6052 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6054 * Makefile.in (LIBS): Link in libiberty.a.
6055 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6057 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6059 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6060 it to update bb boundaries. Update caller.
6061 * function.c (reposition_prologue_and_epilogue_notes): Update
6062 bb boundaries wrt the moved note.
6064 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6066 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6068 * configure: Regenerate.
6070 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6072 * alpha.c (alpha_sr_alias_set): New variable.
6073 (override_options): Set it.
6074 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6075 (mode_mask_operand): Fix signed-unsigned comparision warning.
6076 (alpha_expand_block_move): Likewise.
6077 (print_operand): Likewise.
6078 (get_aligned_mem): Use change_address.
6079 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6080 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6081 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6082 (alpha_align_insns): Remade from old alphaev5_align_insns
6083 to handle multiple processors.
6084 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6085 * output.h (label_to_alignment): Prototype.
6087 * tree.c (new_alias_set): New function.
6088 * tree.h (new_alias_set): Declare it.
6089 * c-common.c (c_get_alias_set): Use it.
6091 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6093 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6094 to an ABS expr, convert an unsigned input to signed.
6096 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6098 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6100 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6102 * configure.in: Add support for c4x targets.
6103 * configure: Rebuilt.
6105 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6107 * combine.c (distribute_notes): If an insn is a cc0 user, only
6108 delete it if we can also delete the cc0 setter.
6110 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6112 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6113 (invert_truthvalue): Enable truthvalue inversion for
6114 floating-point operands if -ffast-math.
6116 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6118 * configure.in: Disable collect2 for nextstep. Instead use
6120 * configure: Rebuilt.
6121 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6122 (ENDFILE_SPEC): Define.
6123 (OBJECT_FORMAT_MACHO): Define.
6124 (EH_FRAME_SECTION_ASM_OP): Define.
6125 * crtstuff.c: Handle MACHO.
6127 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6129 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6131 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6133 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6134 (_fpadd_parts): Get sign right for 0.
6136 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6138 * ginclude/varargs.h: Add support for C4x target.
6139 * ginclude/stdargs.h: Likewise.
6141 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6143 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6144 (alpha_emit_set_long_const): Rewrite to be callable from reload
6146 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6147 * alpha.md (movdi): Likewise.
6149 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6151 * arm.c (add_constant): New parameter address_only, change caller.
6152 Set it non-zero if taking the address of an item in the pool.
6153 (arm_reorg): Handle cases where we need the address of an item in
6156 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6158 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6159 memory addresses that are not in standard canonical form.
6161 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6163 * README.C4X: New file with information about the c4x ports.
6164 * ginclude/va-c4x.h: New file for c4x varargs support.
6165 * config/c4x: New directory with c4x port files.
6167 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6169 * reload.c (find_reloads): Do not replace a pseudo with
6170 (MEM (reg_equiv_addr)) in the initializing insn for the
6173 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6175 * toplev.c (rest_of_compilation): Set bct_p on second call to
6177 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6179 (strength_reduce): Only call analyze_loop_iterations and
6180 insert_bct if bct_p set.
6181 (check_dbra_loop): Fix typo.
6182 (insert_bct): Use word_mode instead of SImode.
6183 (instrument_loop_bct): Likewise. Do not delete iteration count
6184 condition code generation insn. Initialize iteration count before
6186 * rtl.h (loop_optimize): Update prototype.
6188 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6189 not doubleword aligned.
6191 * rs6000.c (optimization_options): New function.
6192 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6193 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6194 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6195 first; cr1 can be used for FP record condition insns.
6197 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6199 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6202 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6205 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6207 (block_move_call): New function: Call a library routine to copy a
6209 (m32r_expand_block_move): New function: Expand a "movstrsi"
6210 pattern into a sequence of insns.
6211 (m32r_output_block_move): New function: Expand a
6212 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6213 (m32r_block_immediate_operand): New function: Return true if the
6214 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6216 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6218 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6220 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6222 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6224 * regmove.c (copy_src_to_dest): Check that modes match.
6226 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6228 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6230 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6232 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6233 narrower than FLOAT_REGS.
6235 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6237 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6239 * Makefile.in (old_gxx_include_dir): removed
6241 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6243 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6246 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6247 (sh_handle_pragma): Change function arguments to match new
6248 specification for HANDLE_PRAGMA.
6250 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6252 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6254 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6255 When generating output, initialize missing struct member to zero.
6257 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6259 * regmove.c (copy_src_to_dest): Don't copy if that requires
6260 (a) new register(s).
6262 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6264 * global.c (reg_allocno): Now static.
6265 * reload1.c (reg_allocno): Delete declaration.
6266 (order_regs_for_reload): Take no arguments. Don't treat regs
6267 allocated by global differently than those allocated by local-alloc.
6269 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6271 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6272 condition, fix format strings.
6273 (output_function_epilogue): Likewise.
6275 * m68k/m68k.c: Don't include <stdlib.h> directly.
6277 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6279 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6280 mem_first_set, mem_last_set; because 0 can be a CUID.
6281 (oprs_unchanged_p): Use new definition.
6282 (record_last_reg_set_info): Likewise.
6283 (record_last_mem_set_info): Likewise.
6284 (compute_hash_table): Likewise.
6286 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6288 * rs6000.c (output_epilogue): Handle Chill.
6290 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6291 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6293 * combine.c (make_extraction): If no mode is specified for
6294 an operand of insv, extv, or extzv, default it to word_mode.
6295 (simplify_comparison): Similarly.
6296 * expmed.c (store_bit_field): Similarly.
6297 (extract_bit_field): Similarly.
6298 * function.c (fixup_var_regs_1): Similarly.
6299 * recog.c (validate_replace_rtx_1): Similarly.
6300 * mips.md (extv, extzv, insv expanders): Default modes for most
6301 operands. Handle TARGET_64BIT.
6302 (movdi_uld, movdi_usd): New patterns.
6304 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6305 equivalent memory location unless we have been provided a scratch
6306 register. Similarly do not call find_replacement unless a
6307 scratch register has been provided.
6309 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6311 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6314 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6316 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6317 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6318 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6319 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6320 * c-decl.c (init_decl_processing): Update accordingly.
6321 * expr.c (expand_builtin): Likewise.
6323 * rtl.h (global_rtl): Add cfa entry.
6324 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6325 (LAST_VIRTUAL_REGISTER): Update.
6326 * emit-rtl.c (global_rtl): Add cfa entry.
6327 (init_emit): Initialize it.
6328 * function.c (cfa_offset): New.
6329 (instantiate_virtual_regs): Initialize it.
6330 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6331 (expand_function_end): Call expand_eh_return.
6332 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6334 * except.c (current_function_eh_stub_label): Kill.
6335 (current_function_eh_old_stub_label): Likwise; update all references.
6336 (expand_builtin_set_return_addr_reg): Kill.
6337 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6338 (expand_builtin_set_eh_regs): Kill.
6339 (eh_regs): Produce a third reg for the actual handler address.
6340 (eh_return_context, eh_return_stack_adjust): New.
6341 (eh_return_handler, eh_return_stub_label): New.
6342 (init_eh_for_function): Initialize them.
6343 (expand_builtin_eh_return, expand_eh_return): New.
6344 * except.h: Update prototypes.
6345 * flow.c (find_basic_blocks_1): Update references to the stub label.
6346 * function.h (struct function): Kill stub label elements.
6348 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6349 register number is one that would be in the previous window.
6350 Provide a dummy definition for non-windowed targets.
6351 (get_reg_addr): New function.
6352 (get_reg, put_reg, copy_reg): Use it.
6353 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6354 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6356 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6357 (alpha_init_expanders): Initialize it.
6358 (alpha_expand_epilogue): Use it.
6359 * alpha.h: Declare it.
6360 * alpha.md (eh_epilogue): New.
6362 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6363 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6365 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6367 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6370 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6372 * except.h (struct eh_entry): Add false_label field.
6373 (end_catch_handler): Add prototype.
6374 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6375 (start_catch_handler): When using old style exceptions, issue
6376 runtime typematch code before continuing with the handler.
6377 (end_catch_handler): New function, generates label after handler
6378 if needed by older style exceptions.
6379 (expand_start_all_catch): No need to check for new style exceptions.
6380 (output_exception_table_entry): Only output the first handler label
6381 for old style exceptions.
6382 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6383 mechanism into one function, if a runtime matcher is provided.
6385 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6387 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6389 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6391 * integrate.c (copy_decl_list): Fix typo.
6393 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6395 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6398 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6400 * version.c: Bump for snapshot.
6402 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6404 * version.c: Bump for snapshot.
6406 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6408 * version.c: Bump for snapshot.
6410 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6412 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6414 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6416 * configure.in: remove usage of `!' to negate the result of a
6417 command; some common shells do not support it
6419 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6421 * configure.in: in sparc9-sol2 config, use 'if test' not
6423 * configure: Rebuilt.
6425 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6427 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6428 (CPP_CPU_DEFAULT_SPEC): Likewise.
6429 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6430 for arch64 libfuncs.
6432 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6435 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6437 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6439 * collect2.c: Don't declare `sys_siglist' here.
6440 (my_strsignal): Prototype and define new function. Use it in
6441 place of `sys_siglist' hacks.
6443 * mips_tfile.c: Likewise.
6445 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6446 (GCC_NEED_DECLARATIONS): Likewise.
6448 * system.h (strsignal): Prototype it, if necessary.
6449 (sys_siglist): Declare it, if necessary.
6451 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6453 * loop.c (move_movables): While removing insn sequences, preserve
6454 the next pointer of the most recently deleted insn when we skip
6457 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6459 * objc/config-lang.in: Do not output the name of the selected
6460 thread file when building the front-end. The Makefile for the
6461 runtime library will do this.
6463 * objc/Make-lang.in: Do not build the runtime library or install
6464 the Objective C header files. The Makefile for the runtime
6465 library will do this.
6467 * objc/Makefile.in (all.indirect): Only build the front-end.
6468 (compiler): Rename to `frontend'.
6469 (obj-runtime): Remove target.
6470 (copy-headers): Likewise.
6471 (clean): No need to remove `libobjc.a' any longer.
6473 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6475 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6476 supported with -mcpu=xxx.
6478 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6480 * flow.c (mark_set_1): Recognize multi-register structure return
6481 values in CALL insns.
6482 (mark_used_regs): Likewise.
6483 (count_reg_sets_1): Likewise.
6484 (count_reg_references): Likewise.
6485 * rtlanal.c (note_stores): Likewise.
6486 (reg_overlap_mentioned_p): Likewise.
6487 * haifa-sched.c (check_live_1): Likewise.
6488 (update_live_1): Likewise.
6489 (sched_analyze_1): Likewise.
6490 (sched_note_set): Likewise.
6491 (birthing_insn_p): Likewise.
6492 (attach_deaths): Likewise.
6494 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6497 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6499 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6501 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6503 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6505 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6507 * configure.in: Add check for GAS subsection -1 support.
6508 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6509 * configure config.in: Rebuilt.
6510 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6511 SImode is subsection -1 works, else use DImode.
6512 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6513 subsection -1 works.
6514 * config/sparc/sparc.c (sparc_output_addr_vec,
6515 sparc_output_addr_diff_vec): Use them if defined.
6517 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6519 * tree.h (DECL_ORIGIN): New macro.
6520 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6521 (copy_decl_list): Use it.
6522 (integrate_parm_decls): Likewise.
6523 (integrate_decl_tree): Likewise.
6524 * dwarf2out.c (decl_ultimate_origin): Simplify.
6525 * dwarfout.c (decl_ultimate_origin): Likewise.
6526 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6527 (pushdecl): Likewise.
6529 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6531 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6533 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6535 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6537 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6539 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6540 empty or has a single entry.
6542 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6543 before calling reg_to_stack.
6545 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6547 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6548 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6550 * c-tree.h (warn_long_long): Declare it.
6552 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6554 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6555 initialized float-int union if the value is a NaN.
6557 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6559 * c-lex.c (real_yylex): Don't warn about long long constants if
6560 we're allowing long long
6562 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6564 * except.h (current_function_eh_stub_label): Declare.
6565 (current_function_eh_old_stub_label): Declare.
6566 * function.h (struct function): New members eh_stub_label and
6568 * except.c (current_function_eh_stub_label): New variable.
6569 (current_function_eh_old_stub_label): New variable.
6570 (init_eh_for_function): Clear them.
6571 (save_eh_status): Save them.
6572 (restore_eh_status): Restore them.
6573 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6574 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6575 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6576 make an edge from the block that contains it to the block starting
6577 with the label if this label is one of the eh stub labels.
6578 If eh stub labels exist, show they are reachable from the last block
6581 * reload1.c (reload): Break out several subroutines and make some
6583 (calculate_needs_all_insns): New function, broken out of reload.
6584 (calculate_needs): Likewise.
6585 (find_reload_regs): Likewise.
6586 (find_group): Likewise.
6587 (find_tworeg_group): Likewise.
6588 (something_needs_reloads): New global variable, formerly in reload.
6589 (something_needs_elimination): Likewise.
6590 (caller_save_spill_class): Likewise.
6591 (caller_save_group_size): Likewise.
6592 (max_needs): Likewise.
6593 (group_size): Likewise.
6594 (max_groups): Likewise.
6595 (max_nongroups): Likewise.
6596 (group_mode): Likewise.
6597 (max_needs_insn): Likewise.
6598 (max_groups_insn): Likewise.
6599 (max_nongroups_insn): Likewise.
6600 (failure): Likewise.
6602 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6604 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6606 * loop.c (load_mems): Copy rtx for output mem.
6608 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6610 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6611 mips1 or mips2 either.
6613 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6615 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6617 (pa_adjust_insn_length): Update to work with new marking scheme
6618 for jumps inside switch tables.
6619 * pa.md (switch_jump): Remove pattern.
6620 (jump): Handle jumps inside jump tables.
6622 * Makefile.in (profile.o): Depend on insn-config.h
6624 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6626 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6628 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6630 Add preliminary native sparcv9 Solaris support.
6631 * configure.in: Recognize sparv9-*-solaris2*
6632 * configure: rebuilt
6633 * config.sub: Recognize sparcv9 just like sparc64.
6634 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6635 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6636 32-bit and 64-bit Solaris systems.
6637 * config/sparc/t-sol2: Assemble those with cpp.
6638 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6639 (*TF*_LIBCALL): If ARCH64 use V9 names.
6640 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6642 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6644 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6645 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6647 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6649 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6650 to Pmode if CASE_VECTOR_MODE is something else.
6652 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6654 * prefix.c (update_path): Correctly handle cases where PATH is
6655 a substring of the builtin prefix, but specifies a different
6658 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6660 * expr.c: Corrected comment about what MOVE_RATIO does.
6661 * config/alpha/alpha.h: Ditto.
6662 * config/1750a/1750a.h: Ditto.
6663 * config/clipper/clipper.h: Ditto.
6664 * config/i386/i386.h: Ditto.
6666 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6668 * configure.in (m68k-next-nextstep3*): Use collect2.
6669 Similarly for x86 NeXT configurations.
6670 * configure: Rebuilt.
6672 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6674 * configure.in: Don't assume srcdir is .../gcc
6675 * configure: Rebuilt.
6677 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6679 * global.c: Update comments.
6680 (global_alloc): Assign allocation-numbers
6681 even for registers allocated by local_alloc in case
6682 they are later spilled and retry_global_alloc is called.
6683 (mark_reg_store, mark_reg_clobber,
6684 mark_reg_conflicts, mark_reg_death): Always record a
6685 conflict with a pseudo register even if it has been
6686 assigned to a hard register.
6687 (dump_conflicts): Don't list pseudo registers already assigned to
6688 a hard register as needing to be allocated, but do list their
6690 * local-alloc.c: Update comment.
6692 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6694 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6695 * configure: Rebuilt.
6697 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6699 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6701 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6702 for all targets that set -msoft-float.
6704 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6706 * toplev.c (print_switch_values): Make static to match prototype.
6708 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6710 * configure.in: If we are unable to find the "gnatbind" program,
6711 then do not configure the ada subdir.
6712 * configure: Rebuilt.
6714 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6716 * version.c: Bump for snapshot.
6718 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6720 * version.c: Bump for snapshot.
6722 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6724 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6725 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6727 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6729 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6731 * genextract.c: Have insn-extract.c include toplev.h.
6733 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6735 * toplev.c: Include expr.h.
6736 (really_sorry, fancy_abort): Remove prototypes.
6737 (set_target_switch): Add argument in prototype.
6738 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6739 (v_really_sorry): Likewise.
6740 (print_version, print_single_switch, print_switch_values): Make
6741 static and add prototype arguments.
6742 (decl_printable_name): Add prototype arguments.
6743 (lang_expand_expr_t): New typedef.
6744 (lang_expand_expr): Declare as a lang_expand_expr_t.
6745 (incomplete_decl_finalize_hook): Add prototype argument.
6746 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6747 (botch): Likewise for variable `s'.
6748 (rest_of_type_compilation): Mark variables `type' and `toplev'
6749 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6750 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6751 (display_help): Make variable `i' an `unsigned long'.
6752 (main): Remove unused parameter `envp'.
6753 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6754 Cast -1 when comparing it with a `size_t'.
6756 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6757 prototype with ATTRIBUTE_NORETURN.
6758 (fatal_insn_not_found, fatal_insn, really_sorry,
6759 push_float_handler, pop_float_handler): Add prototypes.
6760 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6761 (do_abort, botch): Add prototypes.
6763 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6765 * final.c (final): If a label is reached only from a single jump,
6766 call NOTICE_UPDATE_CC on the jump and its predecessor before
6767 emitting the insn after the label.
6769 * i386.h: Add AMD K6 support.
6770 Change TARGET_* macros to use table lookup.
6771 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6772 (ADJUST_COST): Change definition to call function in i386.c.
6773 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6774 * i386.c: Add AMD K6 support.
6775 Add constants for feature tests used by TARGET_* macros.
6776 (split_di): If before reload, call gen_lowpart and gen_highpart.
6777 (x86_adjust_cost): New function.
6778 (put_jump_code): New function.
6779 (print_operand): New codes 'D' and 'd'.
6780 * i386.md: New insn types. New insn attribute "memory".
6781 Redefine scheduling parameters to use new types and add AMD K6
6782 support. Explicitly set type of most insns.
6783 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6784 Pro and K6 prefer movl $1,reg to incl reg.
6785 (adddi3, subdi3): Set cc_status.
6786 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6787 to int; x86 can't have more than 2^31 DImode shifts per file.
6788 (setcc): Combine all setcc patterns. Allow writing memory.
6789 Combine all jump patterns using match_operator.
6790 (*bzero): Name pattern. Emit mutliple stos instructions when that
6791 is faster than rep stos.
6792 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6795 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6797 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6800 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6802 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6803 not whatever we're generating now.
6805 * alpha.c (set_frame_related_p, FRP): New.
6806 (alpha_expand_prologue): Mark frame related insns.
6807 (alpha_expand_epilogue): Likewise, but with a null FRP.
6808 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6809 * alpha.md (exception_receiver): New.
6810 * alpha/crtbegin.asm (.eh_frame): New beginning.
6811 (__do_frame_setup, __do_frame_takedown): New.
6812 * alpha/crtend.asm (.eh_frame): New ending.
6813 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6814 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6815 (ASM_FILE_START): Don't emit .file for dwarf2.
6817 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6818 * rtl.c (reg_note_name): Likewise.
6819 * rtl.texi (REG_NOTES): Likewise.
6820 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6823 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6825 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6826 * i386.md (movsf, movdf, movxf): Validate memory address returned
6827 from force_const_mem. Kill useless REG_EQUAL setting code.
6829 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6831 * m68k.md (zero_extendsidi2): Fix typo.
6833 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6835 * configure.in: Removed references to the removed file
6836 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6837 * arm*-*-netbsd* and ns32k-*-netbsd*.
6838 * config/i386/xm-netbsd.h: Removed unnecessary file.
6839 * config/m68k/xm-netbsd.h: Likewise.
6840 * config/sparc/xm-netbsd.h: Likewise.
6841 * config/mips/xm-netbsd.h: Likewise.
6843 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6845 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6846 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6848 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6849 for exact section attributions.
6851 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6853 * i386/crtdll.h (CPP_PREDEFINES): Define.
6855 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6857 * m68k.md (5200 movqi): Do not allow byte sized memory references
6859 * m68k.c (output_move_qimode): Do not use byte sized operations on
6862 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6863 explicit rules for building. Similarly for alloca, vfprintf,
6864 choose-temp and mkstemp, getopt, getopt1, and obstack.
6865 (INCLUDES): Add $(srcdir)/../include.
6866 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6867 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6869 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6871 * gcc.c (do_spec_1): [case 'o'] Account for
6872 lang_specific_extra_outfiles.
6873 (main): Correctly clear all slots in outfiles for
6874 lang_specific_extra_outfiles. Set input_file_number before
6875 calling lang_specific_pre_link.
6877 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6879 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6881 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6883 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6885 (sparc_output_deferred_case_vectors): If no work to do, return.
6886 Fix thinko in Sept 1 change.
6888 1998-09-03 SL Baur <steve@altair.xemacs.org>
6890 * Makefile.in: add semicolon in BISON definition for portability.
6892 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6894 * config/nextstep.c (handle_pragma): Correct name of third
6897 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6899 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6900 * config/m32r/m32r.h: Make register 17 be fixed.
6901 * config/m32r/m32r.c: Use SImode for cc operations.
6903 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6905 * invoke.texi (Warning Options): Add -Wnon-template-friend
6908 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6910 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6912 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6914 * rs6000.md (movsf): Disable explicit secondary-reload-like
6915 functionality if TARGET_POWERPC64.
6916 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6919 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6921 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6922 and term.h from fixinc.wrap.
6924 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6926 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6927 safe to include both string.h and strings.h together.
6928 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6929 which headers to search for function declarations. Continue to
6930 prefer string.h over strings.h when both are not acceptable.
6932 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6934 * configure.in: Call GCC_HEADER_STRING.
6936 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6937 to include. Continue to prefer string.h over strings.h when both
6940 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6942 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6943 not assume top 32-bits of symbolic addresses are zero if
6946 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6948 * ginclude/va-alpha.h: Protect entire second portion of the
6949 file against double inclusion.
6951 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6953 Added support for the Boehm's garbage collector.
6954 * configure.in: Handle --enable-objc-gc.
6955 * configure: Rebuilt.
6956 * Makefile.in (CHECK_TARGETS): Add check-objc.
6957 (check-objc): New rule.
6958 * objc/Make-lang.in: Build a different Objective-C library that
6959 runs with the Boehm's collector.
6960 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6961 * objc/encoding.c: Correctly compute the size of compound types in
6962 the presence of bitfields. Skip the variable name of the type if
6963 any. Added support for long long.
6964 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6965 (_F_GCINVISIBLE): New mask.
6966 * objc/gc.c: New file. Compute the type memory mask associated with
6967 a class based on the runtime information.
6968 * objc/misc.c: Added the hooks that use the Boehm's collector
6969 allocation functions.
6970 * objc/objc-act.c (build_class_template): Generate a new class
6971 member (gc_object_type) to hold the class' type memory mask.
6972 (build_shared_structure_initializer): Initialize the new member to
6974 (encode_complete_bitfield): New function. Generate the new
6976 (encode_field_decl): Generate the new encoding only for the GNU
6978 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6980 (class_get_gc_object_type): New function to mark a pointer instance
6981 variable as a weak pointer.
6982 * objc/objc-features.texi: New file.
6983 * objc/objc.h (gc_object_type): New class member.
6984 * objc/objects.c (class_create_instance): Create a typed memory
6985 object when compiled with Boehm's collector support.
6986 * objc/sendmsg.c (__objc_init_install_dtable): Call
6987 __objc_send_initialize instead of setting the initialize flag.
6988 (__objc_send_initialize): Call __objc_generate_gc_type_description
6989 to generate the class type memory mask. Rewrite the code that
6990 sends the +initialize so that it is called only once (bug report
6991 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6992 * testsuite/objc: New testsuite for Objective-C type encoding.
6993 * testsuite/lib/objc-torture.exp: New file.
6994 * testsuite/lib/objc.exp: New file.
6996 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6998 * jump.c (jump_optimize): In if/then/else transformations, add
6999 another call to modified_between_p for the jump insn.
7001 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7003 * fix-header.c (symlink): Treat like readlink.
7005 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7007 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7010 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7012 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7013 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7014 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7016 * config/nextstep.c (handle_pragma): Take three arguments, as per
7017 the new HANDLE_PRAGMA macro specification.
7018 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7019 per the new HANDLE_PRAGMA macro specification.
7020 * config/i960/i960.c (process_pragma): Take three arguments, as
7021 per the new HANDLE_PRAGMA macro specification.
7023 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7025 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7026 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7027 if unknown pragmas are encountered.
7028 (handle_sysv_pragma): Interpret return code from
7029 handle_pragma_token (). Return success/failure indication rather
7030 than next unprocessed character.
7031 (pragma_getc): New function: retrieves characters from the
7032 input stream. Defined when HANDLE_PRAGMA is enabled.
7033 (pragma_ungetc): New function: replaces characters back into the
7034 input stream. Defined when HANDLE_PRAGMA is enabled.
7036 * c-pragma.c (handle_pragma_token): Return success/failure status
7039 * c-pragma.h: Change prototype of handle_pragma_token().
7041 * varasm.c: (handle_pragma_weak): Only create this function if
7042 HANDLE_PRAGMA_WEAK is defined.
7044 * c-common,c (decl_attributes): If defined call the expression
7045 contained within the INSERT_ATTRIBUTES macro before adding
7046 attributes to a decl.
7048 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7049 HANDLE_PRAGMA, which takes three arguments.
7050 (INSERT_ATTRIBUTES): Document this new macro.
7052 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7053 new INSERT_ATTRIBUTES macro.
7055 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7057 * config/sparc/sparc.md (movdf): Only generate special RTL for
7058 LABEL_REFs when PIC.
7059 (move_label_di): Remove
7060 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7061 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7062 references when PIC.
7063 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7064 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7065 output an .xword for all 64-bit cases.
7067 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7069 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7070 alignment, use FUNCTION_BOUNDARY instead.
7071 (sparc_output_deferred_case_vectors): Likewise.
7073 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7075 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7076 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7078 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7080 * alpha/va_list.h: New file.
7081 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7083 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7085 * NEWS: Add SCO Openserver and Unixware 7 notes.
7089 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7091 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7092 (record_constant_1): Handle RANGE_EXPR.
7094 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7096 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7097 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7098 and NOTE_INSN_RANGE_END specially.
7099 (reemit_notes): Likewise.
7101 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7103 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7104 (ultrasparc_sched_init): Remove unneeded &.
7106 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7108 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7109 for m68020-60, to prevent the use of fintrz.
7111 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7113 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7115 * Makefile.in: Likewise.
7116 * configure: Regenerated.
7118 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7120 * configure.in (gxx_include_dir): Changed to
7121 '${prefix}/include/g++'-${libstdcxx_interface}.
7122 * configure: Rebuilt.
7124 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7126 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7128 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7129 *sequences* *below* which scalar moves will be used.
7131 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7133 * collect2.c (mktemp): Delete unused declaration.
7135 * config/xm-netbsd.h: Remove unnecessary file.
7136 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7137 file anymore, it is not needed.
7139 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7141 * convert.c (convert_to_integer): Issue an error on conversions to
7144 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7146 * Makefile.in: Add lang_tree_files and gencheck.h.
7147 * configure.in: Generate them.
7148 * gencheck.c: Include gencheck.h.
7150 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7152 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7153 movdi_lo_sum_pic and movdi_high_pic and make visible.
7154 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7155 emit these when Pmode is not SImode.
7156 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7158 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7160 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7161 .linkonce directive after the first time.
7163 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7165 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7166 the clobbered operand overlaps with an input.
7167 (bne0_di): Similarly.
7169 * Makefile.in (INSTALL): Remove "--no-header" argument.
7171 * NEWS: Various updates.
7173 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7175 * config/sparc/sparc.c (arith_operand, const64_operand,
7176 const64_high_operand, arith_double_4096_operand): Mark mode as
7178 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7180 (sparc_emit_set_const64): Remove unused variable i.
7181 (sparc_splitdi_legitimate): Likewise for addr_part.
7182 (ultra_code_from_mask): Likewise for mask.
7183 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7184 reverse return values so it matches usage and comments.
7185 (ultra_flush_pipeline): Likewise.
7186 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7187 this_type, and allow loads and stores of differing FP modes as
7188 they do not create a conflict.
7189 (ultra_find_type): Initialize fpmode to SFmode, fix
7190 parenthesization thinkos in large conditional.
7191 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7192 Init free_slot_mask after ultra_cur_hist is reset, not before.
7193 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7194 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7195 use ultra_flush_pipeline instead, then re-init group pointer.
7196 Fix statement with no effect. If no progress made in, and no
7197 instructions scheduled at all, advance to new pipeline cycle else
7198 we get into an endless loop.
7199 (ultrasparc_adjust_cost): Remove previous arg.
7200 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7202 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7204 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7205 code. Use reg_overlap_mentioned_p to detect when source and
7206 destination overlap.
7207 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7209 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7211 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7212 COMPARISON_VAL, into invariant_p.
7214 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7216 * regmove.c (regclass_compatible_p): New function.
7217 (regmove_optimize): Use it.
7219 Use NREGS parameter insted of calling max_reg_num.
7221 (fixup_match_1): Don't use code = MINUS when later tieing with
7222 a hard register is likely.
7224 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7226 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7227 COMPARISON_VAL was normalized.
7229 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7231 * loop.c (check_dbra_loop): The loop ending comparison value
7232 must be an invariant or we can not reverse the loop.
7234 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7235 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7237 (load_mems_and_recount_loop_regs_set): Likewise.
7239 * i386.c (print_operand): Remove obsolete 'c' docs.
7241 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7243 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7244 * frame.c (init_object_mutex): New function.
7245 (init_object_mutex_once): Likewise.
7246 (find_fde): Call it.
7247 (__register_frame_info): Likewise.
7248 (__register_frame_info_table): Likewise.
7249 (__deregister_frame_info): Likewise.
7251 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7253 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7255 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7257 * loop.c (check_dbra_loop): Enable code for reversal
7258 of some loops without a known constant loop end.
7260 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7262 * haifa-sched.c (last_clock_var): New.
7263 (schedule_block): Initialize it.
7264 (schedule_insn): Use it to fill insn modes with issue information.
7266 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7267 Tag trapb and next insn with TImode.
7268 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7269 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7270 Invoke alphaev5_align_insns as appropriate.
7271 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7272 (MD_SCHED_VARIABLE_ISSUE): New.
7273 * alpha.md (attr type): Add multi.
7274 (define_asm_attributes): New.
7275 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7276 (arg_home): Likewise.
7277 (fnop, unop, realign): New.
7279 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7281 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7282 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7284 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7285 (rs6000-ibm-aix4.[12]*): Likewise.
7286 * configure: Regnerate.
7288 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7290 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7291 already contains the return address.
7293 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7295 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7296 word sized hunks when loading unaligned args into registers.
7298 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7299 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7301 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7303 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7305 * loop.c (check_dbra_loop): Add some code that would allow reversal
7306 of some loops without a known constant loop end if it were enabled.
7308 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7310 * mips.md (lshrsi3_internal2+2): Fix type-o.
7312 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7314 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7315 correctly with regards to stdio.h.
7317 * calls.c: Remove stdarg.h/varargs.h.
7320 * combine.c: Likewise.
7321 * cpperror.c: Likewise.
7322 * cpplib.c: Likewise.
7323 * cpplib.h: Likewise.
7324 * doprint.c: Likewise.
7325 * emit-rtl.c: Likewise.
7326 * final.c: Likewise.
7327 * fix-header.c: Likewise.
7329 * genattr.c: Likewise.
7330 * genattrtab.c: Likewise.
7331 * gencodes.c: Likewise.
7332 * genconfig.c: Likewise.
7333 * genemit.c: Likewise.
7334 * genextract.c: Likewise.
7335 * genflags.c: Likewise.
7336 * genopinit.c: Likewise.
7337 * genoutput.c: Likewise.
7338 * genpeep.c: Likewise.
7339 * genrecog.c: Likewise.
7340 * mips-tfile.c: Likewise.
7341 * prefix.c: Likewise.
7342 * protoize.c: Likewise.
7343 * regmove.c: Likewise.
7344 * toplev.c: Likewise.
7347 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7349 * config/sparc/sparc.c (sparc_override_options): If not
7350 TARGET_FPU, turn off TARGET_VIS.
7351 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7352 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7353 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7354 (movdi_insn_sp64): Add VIS fzero alternative.
7355 (clear_sf, clear_df): New VIS patterns.
7356 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7358 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7360 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7362 * loop.c (n_times_set, n_times_used, may_not_optimize,
7363 reg_single_usage): Convert to varrays. All uses changed.
7364 (insert_loop_mem): Return a value.
7365 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7366 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7369 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7372 * configure.in: Do not set thread_file to "irix" since no such
7375 * sparc.md (float abs/neg splits): Check reload_completed before
7376 calling alter_subreg.
7378 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7380 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7382 * config/sparc/sparc.h: Declare it.
7383 * config/sparc/sparc.md (float abs/neg splits): Use it.
7384 (all other splits): Handle SUBREGs properly where necessary.
7385 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7387 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7389 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7390 an insn on the unfilled_slots_list that has no delay slots.
7391 (fill_eager_delay_slots): Similarly.
7393 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7395 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7396 as an ordinary operand.
7398 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7400 * tree.c (valid_machine_attribute): Don't apply attributes to both
7403 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7405 * reload.c (operands_match_p): Handle rtvecs.
7407 * i386.c (legitimate_pic_address_disp_p): New.
7408 (legitimate_address_p): Use it.
7409 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7410 Handle constant pool symbols just like statics.
7411 (emit_pic_move): Use Pmode not SImode for clarity.
7412 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7413 [UNSPEC]: New, handling what we killed above.
7414 [PLUS]: Detect and abort on invalid symbol arithmetic.
7415 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7417 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7419 * alias.c: Include output.h.
7420 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7421 different if we're in a varargs function.
7422 * Makefile.in (alias.o): Depend on output.h
7424 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7426 * sh.h (GIV_SORT_CRITERION): Delete.
7428 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7430 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7431 * stupid.c (stupid_life_analysis): Ditto.
7432 * reload1.c (reload): Ditto.
7434 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7436 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7437 arith_double_4096_operand, arith_double_add_operand): New
7439 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7440 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7441 them to transform add/sub 4096 into add/sub -4096.
7443 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7445 * loop.c (scan_loop): Allocate some slop to handle pseudos
7446 generated by move_movables.
7447 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7450 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7452 * tree.def (DECL_RESULT): Correct documentation.
7454 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7456 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7457 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7458 conflicts will all RELOAD_FOR_OUTPUT reloads.
7460 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7461 loads the function result, substitute with a USE.
7463 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7465 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7466 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7467 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7468 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7469 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7470 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7472 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7473 'o' to 'm' for GPR variant constraints.
7475 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7477 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7479 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7481 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7482 when the source and destination overlap.
7484 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7485 clash with global type.
7487 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7489 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7491 * c-common.c (combine_strings): Also set TREE_READONLY.
7492 Change warn_write_strings to flag_const_strings.
7493 * c-decl.c, c-tree.h: Likewise.
7495 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7497 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7498 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7499 sequence, use SET/IOR instead so CSE can see it.
7500 * config/sparc/sparc.md (movhi_const64_special,
7501 movsi_const64_special): New patterns necessitated by that change.
7502 (movhi_high): Remove.
7503 (movhi_lo_sum): Change to match an IOR.
7504 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7505 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7506 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7507 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7508 registers are involved.
7509 (snesi_zero_extend split): Remove reload_completed test.
7510 (unnamed plus and minus zero_extend sidi splits): Add it.
7512 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7514 * extend.texi: Remove description of extension to explicit
7515 instantiation that is now endorsed by standard C++.
7517 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7519 * config/arc/arc.c (arc_initialize_pic): Remove.
7520 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7521 nothing on any platform and is invoked by no-one, it does not even
7522 appear in the documentation.
7523 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7524 * config/sparc/sparc.c (initialize_pic): Likewise.
7525 (find_addr_reg): Remove this as well, no longer referenced after
7528 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7530 * recog.c (validate_replace_rtx_group): New function.
7531 * recog.h (validate_replace_rtx_group): Declare it.
7532 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7533 the entire group of substitutions.
7535 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7537 * loop.c (load_mems): Fix initializers.
7539 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7541 * config/sparc/sparc.md (TFmode splits): Handle destination
7542 registers being referenced in the address correctly.
7544 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7545 TREE_UNSIGNED, when bitsize of type's mode is larger than
7546 HOST_BITS_PER_WIDE_INT.
7548 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7550 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7551 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7552 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7554 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7557 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7559 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7560 * h8300.h (TINY_DATA_NAME_P): Likewise.
7561 (STRIP_NAME_ENCODING): Handle '&'.
7563 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7564 register (it could be accessed via an outer SUBREG).
7565 (REG_OK_FOR_BASE_P): Likewwise.
7566 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7568 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7571 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7573 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7575 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7576 must be offsettable so the splits can be made.
7578 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7580 * config/i386/winnt.c: Include system.h, not stdio.h to get
7581 sys/param.h pulled in before rtl.h in case the system defines MIN
7584 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7586 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7588 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7590 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7592 * cpplib.c (cpp_define): Handle macros with parameters.
7594 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7596 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7597 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7598 and DImode 64-bit. Use llong for minimal-toc SFmode and
7599 SYMBOL_REF / LABEL_REF 64-bit.
7600 (output_function_profiler): Use llong for profiler label and ld to
7601 load 64-bit label address.
7603 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7605 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7608 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7610 * version.c: Bump for snapshot.
7612 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7614 * version.c: Bump for snapshot.
7616 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7618 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7620 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7622 * tm.texi (Misc): Fix typo "teh".
7624 * tm.texi (PIC): Fix typo "PPIC".
7626 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7627 effect when -O2 and higher.
7628 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7630 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7632 * regclass.c: Changed register set documentation to be consistent
7635 * final.c (final_start_function) Removed redundant test for
7638 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7640 * rtl.h (rtx_function): New type.
7641 (for_each_rtx): New function.
7642 * rtlanal.c (for_each_rtx): Define it.
7644 * recog.c (change_t): New type.
7645 (change_objects, change_old_codes, change_locs, change_olds):
7647 (changes): New variable.
7648 (validate_change): Dynamically allocate room for more changes, if
7649 necessary. Uses changes array instead of change_objects, etc.
7650 (apply_change_group): Use changes array instead of
7651 change_objects, etc.
7653 * loop.c (loop_mem_info): New type.
7654 (loop_mems): New variable.
7655 (loop_mems_idx): Likewise.
7656 (looop_mems_allocated): Likewise.
7657 (scan_loop): Remove nregs parameter.
7658 (next_insn_in_loop): New function.
7659 (load_mems_and_recount_loop_regs_set): Likewise.
7660 (load_mems): Likewise.
7661 (insert_loop_mem): Likewise.
7662 (replace_loop_mem): Likewise.
7663 (replace_label): Likewise.
7664 (INSN_IN_RANGE_P): New macro.
7665 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7666 (scan_loop): Remove nregs parameter, compute it after any new
7667 registers are created by load_mems. Use INSN_IN_RANGE_P and
7668 next_insn_in_loop rather than expanding them inline. Call
7669 load_mems to load memory into pseudos, if appropriate.
7670 (prescan_loop): Figure out whether or not there are jumps from the
7671 loop to targets other than the label immediately following the
7672 loop. Call insert_loop_mem to notice all the MEMs used in the
7673 loop, if it could be safe to pull MEMs into REGs for the duration
7675 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7677 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7679 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7681 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7683 * config/sparc/sparc.c (finalize_pic): Check for the correct
7684 nonlocal_goto_receiver UNSPEC number.
7685 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7686 making note of this dependency existing in sparc.c
7687 (negtf2_notv9 split): Give NEG SFmode.
7688 (negsf2): Fix insn output string.
7690 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7692 * c-common.c (decl_attributes): Issue an error if the argument
7693 to alias is not a string.
7695 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7697 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7698 pending memory flush list.
7700 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7702 (try_combine): Allow combining insns with REG_LIBCALL notes.
7704 * expr.c (emit_block_move): Do not call memcpy as a libcall
7705 instead build up a CALL_EXPR and call it like any other
7707 (clear_storage): Similarly for memset.
7709 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7712 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7715 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7716 and REG_LIVE_LENGTH as successful substitutions are made.
7718 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7720 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7721 statement after end of loop label.
7723 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7725 * config/sparc/sparc.c (ultra_types_avail): New variable.
7726 (ultra_build_types_avail): New function to record mask of insn
7727 types in ready list at this cycle.
7728 (ultrasparc_sched_reorder): Call it.
7729 (ultra_find_type): Use it to quicken the search. Also simplif
7730 dependency check, don't use rtx_equal_p because we know exactly
7731 what we are looking for.
7733 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7735 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7736 for architecture v4.
7738 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7740 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7742 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7743 movdf_const_intreg and helper splits): New patterns to move float
7744 constants into integer registers.
7745 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7748 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7751 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7753 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7755 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7756 a BASE_REGS register is needed as an intermediate when copying
7757 a symbolic value into any register class other than BASE_REGS.
7759 * expr.c (move_by_pieces): No longer static. Remove prototype.
7760 * rtl.h (move_by_pieces): Add extern prototype.
7761 * mips.c (expand_block_move): Handle aligned straight line copy by
7762 calling move_by_pieces.
7764 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7767 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7769 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7770 jumps out of the loop to be treated as part of the exit test.
7772 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7773 Jeff Law <law@cygnus.com>
7775 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7776 * cplus-dem.c: Delete.
7778 * Makefile.in (fold-const.o): depend on $(RTL_H).
7780 * fold-const.c: Include rtl.h to get the prototype for
7781 `set_identifier_local_value'.
7783 * loop.c (express_from_1): Remove unused variable `tmp'.
7784 (combine_givs): cast the first argument of bzero to char *.
7786 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7788 * c-decl.c (init_decl_processing): Remove unneeded &.
7790 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7792 * except.c (set_exception_lang_code, set_exception_version_code):
7793 Change parameter from `short' to `int' to avoid using a gcc
7796 * except.h (set_exception_lang_code, set_exception_version_code):
7797 Likewise for prototypes.
7799 * flow.c (count_reg_references): Remove unused variables `regno'
7802 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7804 * prefix.c (translate_name): Cast the result of `alloca'.
7806 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7808 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7810 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7812 (valid_dbcc_comparison_p): Mark mode argument as unused.
7813 (symbolic_operand): Likewise.
7814 (legitimize_pic_address): Likewise.
7815 (const_uint32_operand): Likewise.
7816 (const_sint32_operand): Likewise.
7817 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7818 schedule_insns and comment out rest of file.
7820 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7822 (output_move_[hq]imode): Likewise.
7824 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7826 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7827 * invoke.texi: Corresponding changes.
7829 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7831 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7833 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7835 * config/sparc/sparc.c (ultra_code_from_mask,
7836 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7837 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7838 ultrasparc_sched_init, ultrasparc_variable_issue,
7839 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7840 functions to describe UltraSPARC pipeline exactly to Haifa.
7841 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7842 as there is nothing the scheduler can do about it. Indicate that
7843 REG_DEP_OUTPUT's collide. Fixup formatting.
7844 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7845 divide costs on Ultra for DImode.
7846 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7848 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7849 ieuN and add call_no_delay_slot to type list.
7850 (cti function unit): New unit for branches on UltraSPARC.
7851 (subx/addx insns): Set type to misc.
7852 (sidi zero/sign extension insns on arch64): Set type to shift.
7853 (sign_extendhidi2_insn): Set type to sload.
7855 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7857 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7858 (output_epilog): Use if != 0 for offset.
7859 (rs6000_fatal_bad_address): Prepare for Intl.
7860 * rs6000.h (rs6000_fatal_bad_address): Declare.
7861 * rs6000.md (movsfcc, movdfcc): Use else if.
7862 (elf_high): Use {liu|lis}.
7863 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7864 (movsi): Use rs6000_fatal_bad_address.
7866 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7868 * reload.c (find_equiv_reg): Reject equivalences separated
7869 by a volatile instruction.
7871 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7873 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7875 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7877 * alpha.md (movsicc): Fix mode mismatch.
7879 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7881 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7883 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7885 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7887 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7888 write-only modifier from operand 1 constraint.
7890 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7892 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7893 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7895 (sparc_emit_set_const64): Likewise, also when computing trailing
7896 bits do not negate low_bits and make fast_int an int.
7898 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7900 * loop.c (add_label_notes): Do not ignore references to labels
7901 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7902 * gcse.c (add_label_notes): Similarly.
7904 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7906 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7907 (adddi_dishl32): Similarly.
7909 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7911 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7912 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7913 * cse.c (cse_basic_block): Add parens to shut up warnings.
7915 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7917 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7918 sparc_emit_set_const64_longway, const64_is_2insns,
7919 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7920 in 64-bit constant formation.
7921 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7922 rtl for addx not subx.
7923 (define_insn movdi_const64_special): Make available even when
7924 HOST_BITS_PER_WIDE_INT is not 64.
7925 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7926 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7927 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7928 instances of operand 1 inside a QI subreg.
7929 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7930 (one_cmpldi2_sp64): Fix output string.
7931 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7933 (unnamed arch64 ashift DI): Truncate shift count if greater than
7936 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7938 * expr.c (store_expr): Don't optimize away load-store pair
7939 when either source or destination have a side effect.
7941 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7943 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7944 operands of SET are incompatible.
7946 * alpha.md: Fix max and min patterns so modes of SET operands match.
7948 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7950 * configure.in: Avoid [[ by using test and changequote.
7951 * configure: Rebuild.
7953 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7955 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7957 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7958 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7959 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7960 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7961 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7962 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7963 Fix mismatching modes in SET operands.
7964 (conditional move patterns): Fix formatting.
7965 (unnamed subx arch64 pattern): Remove duplicate insn.
7967 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7969 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7970 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7971 (input_operand): Fixup test for what we accept for constant
7973 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7975 (safe_constDI): Remove.
7976 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7977 gen_safe_XOR64): New functions.
7978 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7979 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7981 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7982 available when HOST_BITS_PER_WIDE_INT is not 64.
7983 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7984 move before movdi_insn_sp64 pattern.
7985 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7986 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7987 symbolic_operand as predicate for second operand.
7988 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7989 expander): Give set VOIDmode.
7991 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7993 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7995 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7997 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7999 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8001 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8003 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8005 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8007 * install.texi: Various SCO OpenServer tweaks.
8009 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8011 * reload1.c (eliminate_regs_in_insn): Handle another case when
8012 eliminating the frame pointer to the hard frame pointer. Add
8013 missing ep->to_rtx check to one existing case.
8015 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8017 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8019 * tree.h: De-conditionalize init_priority code.
8021 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8022 * collect2.c (NM_FLAGS): Change from -p to -n.
8024 * configure.in: Turn on collect2 for mipstx39-elf.
8025 Handle use_collect2=no properly.
8027 * c-common.c: De-conditionalize init_priority code.
8028 * collect2.c (extract_init_priority, sort_ids): New fns.
8029 (main): Call sort_ids.
8030 Move sequence_number to file scope.
8032 * configure.in: Handle --enable-init-priority.
8033 * c-common.c (attrs): Add A_INIT_PRIORITY.
8034 (init_attributes, decl_attributes): Likewise.
8035 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8036 * tree.c (get_file_function_name_long): Split out...
8037 (get_file_function_name): ...from here.
8039 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8041 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8044 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8046 * toplev.c (display_help): Add braces to shut up warnings.
8047 * tree.c (simple_cst_equal): Likewise.
8049 * fold-const.c (non_lvalue): Don't deal with null pointer
8051 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8053 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8054 of any size to a pointer.
8056 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8058 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8060 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8062 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8063 which will be saved.
8064 * mn10300.md (prologue insn): Only save registers which need saving.
8065 (epilogue insn): Similarly.
8067 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8070 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8072 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8073 VAR_DECL's in gp addressable sections.
8075 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8077 * sparc.c: Change return <exp> to <exp>; return; in functions
8079 * sparc.md: Add empty semicolon statement after final label in
8082 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8084 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8085 addx_extend_sp64, only allow when TARGET_ARCH64.
8086 (define_insn addx_extend_sp32 and split): Version that works when
8088 (define_insn subx_extend): Likewise.
8089 (define_split adddi3 and subdi3 with zero extension): Fixup and
8090 correct bugs when not TARGET_ARCH64.
8092 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8094 * except.c (set_exception_lang_code, set_exception_version_code):
8095 Use prototype-style definition if __STDC__, to match declaration
8098 * genemit.c: Change FAIL and DONE macros not to use loops.
8100 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8102 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8103 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8105 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8107 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8109 * README.g77: Update from Craig.
8111 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8113 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8115 (safe_constDI sparc_emit_set_const64_quick1,
8116 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8117 analyze_64bit_constant, const64_is_2insns,
8118 create_simple_focus_bits): Fix some bugs when compiled on real
8120 (function_arg_record_value_3, function_arg_record_value_2,
8121 function_arg_record_value): Add fully prototyped forward decls.
8122 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8123 to cmpsi_insn and use on both 64 and 32 bit targets.
8124 (define_insn cmpsi_insn_sp64): Remove.
8125 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8126 (define_insn zero_extendsidi2_insn): Rename to
8127 zero_extendsidi2_insn_sp64.
8128 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8129 assosciated forced split for it.
8131 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8133 * config/sparc/sparc.h: Declare them.
8134 (PREDICATE_CODES): Add them.
8135 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8136 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8138 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8140 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8141 in v9 case as the latter makes the Solaris assembler crash.
8143 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8145 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8146 for TFmode when !v9. We require offsettable memory addresses.
8147 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8148 DFmode register number conversions.
8149 * config/sparc/sparc.md (define_split DFmode moves): If register
8150 is a SUBREG do alter_subreg on it before using.
8151 (define_expand movtf): Fixup comment about alignment on v9.
8152 (define_split TFmode moves): Don't use gen_{high,low}part, create
8153 explicit SUBREGs instead.
8155 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8157 * Makefile.in (mbchar.o): Depend on mbchar.c.
8159 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8160 Richard Henderson <rth@cygnus.com>
8162 Rewrite Sparc backend for better code generation and
8163 improved sparc64 support.
8164 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8166 * config/sparc/sysv4.h: Likewise.
8167 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8168 move_operand, v8plus_regcmp_op, emit_move_sequence,
8169 singlemove_string, doublemove_string, mem_aligned_8,
8170 output_move_double, output_move_quad, output_fp_move_double,
8171 move_quad_direction, output_fp_move_quad, output_scc_insn):
8173 (small_int_or_double): New predicate.
8174 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8175 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8176 old pic_{sethi,lo_sum}_si patterns.
8177 (mem_min_alignment): New generic function to replace
8178 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8179 available and can test for arbitrary alignments. All callers
8181 (save_regs, restore_regs, build_big_number,
8182 output_function_prologue, output_cbranch, output_return,
8183 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8184 sparc_flat_output_function_epilogue): Prettify
8186 (output_function_epilogue): Likewise and add code to output
8187 deferred case vectors.
8188 (output_v9branch): Likewise, add new arg INSN and use it to tack
8189 on branch prediction settings. All callers changed.
8190 (print_operand): Likewise and output %l44 for LO_SUMs when
8192 (sparc_splitdi_legitimate): New function to make sure DImode
8193 splits can be run properly when !arch64.
8194 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8195 Reformat example code in comments.
8196 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8197 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8198 of deferred case vectors we need to output.
8199 (sparc_defer_case_vector): Record a case vector.
8200 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8201 sparc_output_deferred_case_vectors): New functions to output them.
8202 (sparc_emit_set_const32): New function to form 32-bit constants in
8203 registers when that requires more than one instruction.
8204 (safe_constDI, sparc_emit_set_const64_quick1,
8205 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8206 analyze_64bit_constant, const64_is_2insns,
8207 create_simple_focus_bits, sparc_emit_set_const64): New functions
8208 which do the same for 64-bit constants when arch64.
8209 (sparc_emit_set_symbolic_const64): New function to emit address
8210 loading for all code models on v9.
8211 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8212 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8213 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8214 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8215 inaccuracies in comments, add symbolic and text_segment operands
8216 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8217 GENERAL_REGS in these cases as a temp REG is needed to load these
8218 addresses into a register properly.
8219 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8221 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8222 quads are guarenteed to have 16-byte alignment.
8223 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8224 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8225 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8226 deferred case vector implementation.
8227 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8228 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8229 Generate "internal label - label" instead of "label - 1b".
8230 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8231 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8232 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8234 (doublemove_string, output_block_move, output_fp_move_double,
8235 output_fp_move_quad, output_move_double, output_move_quad,
8236 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8237 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8238 (sparc_emit_set_const32, sparc_emit_set_const64,
8239 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8240 mem_min_alignment, small_int_or_double): Add externs.
8241 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8242 UNSPEC_VOLATILE in this backend.
8243 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8244 unary to types which execute in it.
8245 (define_function_unit ieu_shift): Rename to ieu0.
8246 (define_function_unit ieu1): New, executes compare, call, and
8247 uncond_branch type insns.
8248 (define_function_units for type fdivs, fdivd, fsqrt): These
8249 execute in the fpu multiply unit not the adder on UltraSparc.
8250 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8251 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8252 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8253 allows the arith_double_operand predicate and rHI constraint when
8255 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8256 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8257 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8258 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8259 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8260 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8261 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8262 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8263 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8264 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8265 sign_extendqihi2_insn, sign_extendqisi2_insn,
8266 sign_extendqidi2_insn, sign_extendhidi2_insn,
8267 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8268 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8269 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8270 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8271 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8272 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8273 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8274 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8275 smulsi3_highpart_v8plus, unnamed subreg mult,
8276 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8277 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8278 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8279 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8280 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8281 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8282 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8283 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8284 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8285 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8286 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8287 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8288 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8289 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8290 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8291 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8292 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8293 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8294 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8295 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8296 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8297 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8298 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8299 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8300 call_address_untyped_struct_value_sp32,
8301 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8302 call_value_symbolic_sp32, call_value_address_sp64,
8303 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8304 flush_register_windows, goto_handler_and_restore,
8305 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8306 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8307 return_addsi, return_di, return_adddi, return_sf, all call+jump
8308 peepholes, trap, unnamed trap insns): Prettify output strings.
8309 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8310 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8311 Likewise and force + implement splits for integer cases.
8312 (define_insn return_sf_no_fpu): Likewise and allow to match when
8313 no-fpu because of our subreg SFmode splits.
8314 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8315 zero_extendqidi2_insn, zero_extendhidi2_insn,
8316 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8317 input_operand for second operand.
8318 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8319 reg_or_0_operand for operand 2 so new splits can use it.
8320 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8321 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8323 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8324 CONST_DOUBLEs for operand 2.
8325 (define_insn move_label_di): Likewise and label distance
8326 optimization because it no longer works with new deferred case
8327 vector scheme. To be revisited.
8328 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8329 and allow reg_or_0_operand and J constraint for second operand.
8330 (define_insn jump): Set branch predict taken on V9.
8331 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8332 new deferred case vector scheme.
8333 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8334 (define_insn negdi2_sp32): Force + implement splits.
8335 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8336 one_cmplsi2_not_liveg0 respectively, and create expander of original
8337 names which emit special rtl for TARGET_LIVE_G0.
8338 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8339 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8340 gen_compare_reg, FAIL instead.
8341 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8342 values when trying to reverse condition codes, if they FAIL then
8344 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8345 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8346 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8347 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8348 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8349 set output string to # to indicate they are mandatory splits.
8350 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8351 pic_sethi_di, move_pic_label_si): Remove.
8352 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8353 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8355 (define_expand movsi_pic_label_ref, define_insn
8356 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8357 expander and insns to handle PIC label references and deferred
8359 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8361 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8362 Rewrite to not use emit_move_sequence, make use of new constant
8363 formation code, and new splits for all multi-insn cases.
8364 (define_insn movqi_insn): Remove sethi case, it can never happen.
8365 Use reg_or_zero_operand instead of const0_rtx explicit test,
8366 use input_operand instead of move_operand for source, and use
8367 general_operand now for dest.
8368 (define_insn movhi_insn): Similar but leave sethi case.
8369 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8370 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8371 movhi_lo_sum respectively, prettify output string.
8372 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8373 register when needed on TARGET_LIVE_G0.
8374 (define_insn movsi_insn): Use general_operand and input_operand
8375 for dest and src respectively. Simplify applicability test.
8376 Prettify output strings, and add clr alternative for J
8378 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8379 deprecated std and reg-reg DI moves): Remove and...
8380 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8381 implementation which uses forced splits for all non-single insn
8383 (define_split DI move cases on !arch64): New splits to handle all
8384 situations of 64-bit double register DImode on 32bit, and
8385 unaligned registers and memory addresses for all subtargets.
8386 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8388 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8389 input_operand for dest and src respectively, prettify output
8391 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8392 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8394 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8395 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8396 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8397 movtf_no_e_insn_sp64) Replace with new
8398 implementation which uses forced splits for all non-single insn
8400 (define_split DF move cases): New splits in similar vein to DI
8402 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8403 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8404 movdi_sp64_insn): Remove old v9 code model and constant loading
8406 (define_insn pic_lo_sum_di, pic_sethi_di,
8407 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8408 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8409 embmedany_sethi, embmedany_losum, embmedany_brsum,
8410 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8411 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8412 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8413 scheme, using unspecs, secondary reloads, and one to one sparc
8414 insn to rtl insn mapping for better scheduling and code gen.
8415 (define_expand reload_indi, reload_outdi): Reload helpers for
8416 MEDANY and EMBMEDANY symbol address loading cases which require a
8418 (define_expand movsicc): Remove v8plus_regcmp cases.
8419 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8420 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8421 cmp_diqi_trunc_set): New patterns used by some of the new scc
8423 (define_insn xordi3_sp64_dbl): New pattern used for constant
8424 formation when crossing from 32-bit targets.
8425 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8427 (define_insn addx, subx): Make visible and prettify.
8428 (define_insn adddi3_insn_sp32): Likewise and force split.
8429 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8430 64bit scc split usage.
8431 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8432 zero_extend, subdi3): Force and implement splits.
8434 * final.c (final_scan_insn): Don't output labels if target
8435 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8438 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8439 don't forget to walk inside SEQUENCESs too as these are what the
8440 delay slot scheduler will create.
8442 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8444 * alpha.md (extxl+1,+2): New patterns to work around
8447 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8449 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8450 caused bad assembly code to be generated.
8452 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8454 * netbsd.h: Fix typo.
8456 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8458 * config.sub: Fix typo.
8460 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8462 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8464 (Running Protoize): Typo: Change "ther" into "other".
8466 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8468 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8469 * m68k/netbsd.h: Likewise.
8470 * ns32k/netbsd.h: Likewise.
8471 * sparc/netbsd.h: Likewise.
8473 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8475 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8476 * ginclude/va-clipper.h (va_list): Likewise.
8478 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8480 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8481 load/store multiple instructions unless user overrides.
8483 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8485 * ns32k/netbsd.h: Fix typo.
8487 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8489 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8490 labels with .debugsym if no parallel insns.
8492 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8494 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8495 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8497 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8499 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8500 (AR_FOR_TARGET): Define.
8502 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8504 * dyn-string.h: New file.
8505 * dyn-string.c: Likewise.
8506 * Makefile.in (OBJS): Add dyn-string.o.
8507 (dwarf2out.o): Add dyn-string.h dependency.
8508 (dyn-string.o): List dependencies.
8509 * dwarf2out.c: Include dyn-string.h.
8510 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8511 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8512 prototype. Use dyn_string_append rather than strcat, throughout.
8513 (addr_to_string): Use dyn_string_t.
8515 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8517 Function entry/exit profiling instrumentation:
8518 * expr.h (profile_function_entry_libfunc,
8519 profile_function_exit_libfunc): Declare new variables.
8520 * optabs.c: Define them here.
8521 (init_optabs): Initialize them.
8522 * tree.h (struct tree_decl): New flag
8523 no_instrument_function_entry_exit.
8524 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8525 * c-decl.c (duplicate_decls): Merge it.
8526 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8527 (init_attributes): Use it for "no_instrument_function".
8528 (decl_attributes): Handle it, for functions that have not yet been
8529 compiled. Set decl flag.
8530 * flags.h (flag_instrument_function_entry_exit): Declare new
8532 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8533 (f_options): New option "instrument-functions".
8534 * function.h (struct function): New field instrument_entry_exit.
8535 * function.c (current_function_instrument_entry_exit): New
8537 (push_function_context_to, pop_function_context_from): Save and
8539 (expand_function_start): Set current_ variable, maybe emit return
8540 label and entry profile call.
8541 (expand_function_end): Maybe emit exit profile call.
8543 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8545 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8546 NON_QI_REG_P, pretend the register is SImode.
8548 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8550 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8551 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8552 manufacturer id for ns32k.
8553 * configure: Regenerated.
8554 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8555 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8556 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8557 * config/m68k/netbsd.h: Same.
8558 * config/ns32k/netbsd.h: Same.
8559 * config/sparc/netbsd.h: Same.
8561 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8563 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8564 or UNROLL_COMPLETELY loop that starts with a jump to its
8567 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8569 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8570 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8571 (print_operand, case 'B'): Don't fall through.
8572 (print_operand, case 'S'): Correct mask begin/end computation.
8573 Use HOST_BITS_PER_WIDE_INT.
8574 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8575 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8576 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8577 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8579 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8581 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8582 constraint from second alternative.
8584 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8586 * configure.in: Fix --without/--disable cases for local-prefix,
8587 gxx-include-dir and checking.
8589 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8591 * configure.in (enable_haifa): Set by default for sparc64 too.
8594 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8596 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8597 * i386/winnt.c (associated_type): New fn.
8598 (i386_pe_valid_type_attribute_p): New fn.
8599 (i386_pe_check_vtable_importexport): Remove.
8600 (i386_pe_dllexport_p): Use associated_type.
8601 (i386_pe_dllimport_p): Likewise.
8603 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8604 * i386.c (i386_valid_type_attribute_p): Also accept
8605 attributes for METHOD_TYPEs.
8607 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8609 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8611 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8613 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8615 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8616 them from generating a new base name for each occurence of
8619 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8621 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8623 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8627 * cplus-dem.c (type_kind_t): New type.
8628 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8629 on this paramter, rather than demangling the type again.
8630 (demangle_integral_value): Pass tk_integral.
8631 (demangle_template_: Pass the value returned from do_type.
8632 (do_type): Return a type_kind_t. Pass tk_integral to
8633 demangle_template_value_parm for array bounds.
8634 (demangle_fund_type): Likewise.
8636 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8638 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8641 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8643 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8645 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8647 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8649 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8652 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8654 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8655 (DEBUGGER_ARG_OFFSET): Likewise.
8657 * mn10300.md (movsf): Remove last change. Not needed.
8659 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8661 * c-lex.c (yylex): Fix boundary conditions in character literal and
8662 string literal loops.
8664 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8666 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8667 being invoked incorrectly.
8669 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8670 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8672 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8673 * configure.in: Added i[34567]86-*-win32
8674 * config.sub: Ditto.
8675 * configure: Rebuilt.
8677 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8679 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8680 the frame pointer and compiling PIC code and reload has not completed.
8682 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8685 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8687 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8689 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8691 * Makefile.in (install-info): Only try to update the info
8692 directory file if it exists in the first place.
8694 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8696 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8698 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8700 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8701 CONST_DOUBLE source.
8703 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8705 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8706 strings as the insertion of USER_LABEL_PREFIX.
8707 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8709 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8712 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8714 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8715 already defined type.
8717 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8719 * expr.c (check_max_integer_computation_mode): Allow conversions
8720 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8721 (expand_expr): Likewise.
8723 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8725 * expr.c (expand_expr): Expand RETURN_EXPR.
8727 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8729 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8731 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8733 * dwarf2out.c (output_aranges): Call stripattributes
8734 for TEXT_SECTION references.
8735 (output_line_info): Likewise.
8737 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8739 * profile.c (branch_prob): Call allocate_reg_info after outputting
8740 profile rtl in instrument_arcs.
8742 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8744 * fixinc.irix (math.h): Install wrapper instead of copying.
8746 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8748 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8749 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8750 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8751 lang_flag_0. Added documentation in the flag table.
8753 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8755 * cccp.c (do_include): Fix vax c style include handling.
8757 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8759 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8761 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8763 * fold-const.c (non_lvalue): Don't deal with null pointer
8765 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8767 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8769 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8770 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8771 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8772 (u_short_cint_operand): Same.
8773 (reg_or_cint_operand): Same.
8774 (logical_operand): Same.
8775 (input_operand): Same.
8776 (reg_or_short_operand): Use u_short_cint_operand.
8778 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8780 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8781 but keep the insns and splits. Adjust so when the ultimate destination
8782 is memory, use cvtql.
8784 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8786 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8788 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8790 * gcc.c (do_spec): Call "error" not "warning".
8792 * configure.in: Fix minor problems with gas feature detection code.
8793 * configure: Rebuilt.
8795 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8798 * gcc.c: Delete %[spec] support.
8799 (do_spec_1, case '('): Likewise.
8800 (do_spec_1, case '['): Call error.
8802 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8804 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8805 (CPP_SUBTARGET_SPEC): Default to empty string.
8806 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8807 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8808 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8809 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8811 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8812 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8813 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8814 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8815 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8816 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8817 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8818 * alpha/vxworks.h: Likewise.
8820 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8822 * mips.md (reload_outsi): Added missing REGNO call.
8823 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8825 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8826 another match_operator and compare the codes.
8828 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8830 * MIPS multiply pattern fixes:
8831 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8832 Add union classes for HI, LO, or HILO plus general registers.
8833 (GENERATE_MADD): Deleted.
8834 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8835 Add TARGET_MAD to condition.
8836 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8837 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8838 "*d" for accumulator, to give preference to LO initially but not
8841 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8843 * configure.in (enable_c_mbchar): New configure option.
8844 (extra_cpp_objs): Always available now.
8846 * cexp.y (mbchar.h): #include it.
8847 (yylex): Handle Multibyte characters in character literals.
8849 * cccp.c (mbchar.h): #include it.
8850 (main): Set character set based on LANG environment variable.
8851 (rescan): Handle multibyte characters in comments.
8852 (skip_if_group): See above.
8853 (validate_else): See above.
8854 (skip_to_end_of_comment): See above.
8855 (macarg1): See above.
8856 (discard_comments): See above.
8857 (rescan): Handle multibyte characters in string and character literals.
8858 (collect_expansion): See above.
8859 (skip_quoted_string): See above.
8860 (macroexpand): See above.
8861 (macarg1): See above.
8862 (discard_comments): See above.
8863 (change_newlines): See above.
8865 * c-lex.c (mbchar.h): #include it.
8866 (GET_ENVIRONMENT): New macro.
8867 (init_lex): Set character set based on LANG environment variable.
8868 (yylex): Handle multibyte characters in character literals.
8869 (yylex): Handle multibyte characters in string literals.
8871 * Makefile.in (mbchar.o): New target.
8872 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8873 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8875 * mbchar.[ch]: New files for multibyte character handling.
8877 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8879 * jump.c (jump_optimize): When simplifying noop moves and
8880 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8881 the PUSHes to rewrite in second loop as we did in the first.
8883 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8885 * cplus-dem.c (demangle_nested_args): Make function definition
8886 static to match the prototype.
8888 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8890 * alloca.c: Respect USE_C_ALLOCA.
8891 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8892 * gengenrtl.c (xmalloc): Likewise.
8894 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8896 * loop.h (struct induction): Add no_const_addval.
8897 * loop.c (the_movables, reg_address_cost): New variables.
8898 (init_loop): Init reg_address_cost.
8899 (loop_optimize): Call end_alias_analysis.
8900 (scan_loop): Init the_movables.
8901 (record_giv): Init induction->no_const_addval.
8902 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8903 [REG]: Rearrange loop search test to catch more cases.
8904 (general_induction_var): Return success not benefit; take an extra
8905 argument for that. Change all callers.
8906 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8907 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8908 [default]: Search the_movables for additional combinations.
8909 (sge_plus_constant, sge_plus): New functions.
8910 (express_from_1): New function.
8911 (express_from): Always define. Rewrite using express_from_1.
8912 (combine_givs_p): Handle more cases. Ignore address cost.
8913 (cmp_combine_givs_stats): New function.
8914 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8915 (combine_givs): Rewrite to do best-fit combination.
8917 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8918 (fold): Do a complete (A*C)+(B*C) association check.
8920 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8922 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8924 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8926 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8928 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8930 * tree.c (valid_machine_attribute): Only create a new type variant if
8931 there is a decl to use it.
8933 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8935 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8938 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8940 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8943 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8945 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8946 Simplify tests for clearing an address register.
8947 (expand_prologue): Corresponding changes.
8949 * mn10300.md (movXX patterns): Make sure the destination is an
8950 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8951 (logical patterns): Split into expanders + patterns
8952 (zero and sign extension patterns): Similarly.
8953 (shift patterns): Similarly.
8955 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8957 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8958 for the sequence, recording base values.
8960 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8962 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8964 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8966 * gcc.c: Remove ANSI-C ism from --help code.
8968 * toplev.c: Support --help with USE_CPPLIB.
8970 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8972 * configure.in: Rework gas feature code to work with symlink based
8975 * extend.texi: Clarify some issues related to local variables
8976 assigned to explicit registers.
8978 * mn10300.md (mulsi): Turn into expander + pattern.
8980 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8983 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8985 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8987 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8989 * version.c: Bump again to distinguish mainline tree from the
8992 See ChangeLog.0 for earlier changes.
8995 add-log-time-format: current-time-string
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